![Ming Lei](/assets/img/avatar_default.png)
No functional change. Just introduce scsi_host_busy() and replace the direct read of scsi_host->host_busy with this new API. Cc: Omar Sandoval <osandov@fb.com>, Cc: "Martin K. Petersen" <martin.petersen@oracle.com>, Cc: James Bottomley <james.bottomley@hansenpartnership.com>, Cc: Christoph Hellwig <hch@lst.de>, Cc: Don Brace <don.brace@microsemi.com> Cc: Kashyap Desai <kashyap.desai@broadcom.com> Cc: Mike Snitzer <snitzer@redhat.com> Cc: Hannes Reinecke <hare@suse.de> Cc: Laurence Oberman <loberman@redhat.com> Cc: Bart Van Assche <bart.vanassche@wdc.com> Signed-off-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
11867 lines
346 KiB
C
11867 lines
346 KiB
C
/*
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* advansys.c - Linux Host Driver for AdvanSys SCSI Adapters
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*
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* Copyright (c) 1995-2000 Advanced System Products, Inc.
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* Copyright (c) 2000-2001 ConnectCom Solutions, Inc.
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* Copyright (c) 2007 Matthew Wilcox <matthew@wil.cx>
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* Copyright (c) 2014 Hannes Reinecke <hare@suse.de>
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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/*
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* As of March 8, 2000 Advanced System Products, Inc. (AdvanSys)
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* changed its name to ConnectCom Solutions, Inc.
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* On June 18, 2001 Initio Corp. acquired ConnectCom's SCSI assets
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*/
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#include <linux/module.h>
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#include <linux/string.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/ioport.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/mm.h>
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#include <linux/proc_fs.h>
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#include <linux/init.h>
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#include <linux/blkdev.h>
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#include <linux/isa.h>
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#include <linux/eisa.h>
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#include <linux/pci.h>
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#include <linux/spinlock.h>
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#include <linux/dma-mapping.h>
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#include <linux/firmware.h>
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#include <linux/dmapool.h>
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#include <asm/io.h>
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#include <asm/dma.h>
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#include <scsi/scsi_cmnd.h>
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#include <scsi/scsi_device.h>
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#include <scsi/scsi_tcq.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_host.h>
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#define DRV_NAME "advansys"
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#define ASC_VERSION "3.5" /* AdvanSys Driver Version */
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/* FIXME:
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*
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* 1. Use scsi_transport_spi
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* 2. advansys_info is not safe against multiple simultaneous callers
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* 3. Add module_param to override ISA/VLB ioport array
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*/
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/* Enable driver /proc statistics. */
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#define ADVANSYS_STATS
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/* Enable driver tracing. */
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#undef ADVANSYS_DEBUG
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typedef unsigned char uchar;
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#define isodd_word(val) ((((uint)val) & (uint)0x0001) != 0)
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#define PCI_VENDOR_ID_ASP 0x10cd
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#define PCI_DEVICE_ID_ASP_1200A 0x1100
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#define PCI_DEVICE_ID_ASP_ABP940 0x1200
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#define PCI_DEVICE_ID_ASP_ABP940U 0x1300
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#define PCI_DEVICE_ID_ASP_ABP940UW 0x2300
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#define PCI_DEVICE_ID_38C0800_REV1 0x2500
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#define PCI_DEVICE_ID_38C1600_REV1 0x2700
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#define PortAddr unsigned int /* port address size */
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#define inp(port) inb(port)
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#define outp(port, byte) outb((byte), (port))
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#define inpw(port) inw(port)
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#define outpw(port, word) outw((word), (port))
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#define ASC_MAX_SG_QUEUE 7
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#define ASC_MAX_SG_LIST 255
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#define ASC_CS_TYPE unsigned short
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#define ASC_IS_ISA (0x0001)
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#define ASC_IS_ISAPNP (0x0081)
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#define ASC_IS_EISA (0x0002)
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#define ASC_IS_PCI (0x0004)
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#define ASC_IS_PCI_ULTRA (0x0104)
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#define ASC_IS_PCMCIA (0x0008)
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#define ASC_IS_MCA (0x0020)
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#define ASC_IS_VL (0x0040)
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#define ASC_IS_WIDESCSI_16 (0x0100)
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#define ASC_IS_WIDESCSI_32 (0x0200)
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#define ASC_IS_BIG_ENDIAN (0x8000)
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#define ASC_CHIP_MIN_VER_VL (0x01)
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#define ASC_CHIP_MAX_VER_VL (0x07)
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#define ASC_CHIP_MIN_VER_PCI (0x09)
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#define ASC_CHIP_MAX_VER_PCI (0x0F)
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#define ASC_CHIP_VER_PCI_BIT (0x08)
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#define ASC_CHIP_MIN_VER_ISA (0x11)
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#define ASC_CHIP_MIN_VER_ISA_PNP (0x21)
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#define ASC_CHIP_MAX_VER_ISA (0x27)
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#define ASC_CHIP_VER_ISA_BIT (0x30)
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#define ASC_CHIP_VER_ISAPNP_BIT (0x20)
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#define ASC_CHIP_VER_ASYN_BUG (0x21)
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#define ASC_CHIP_VER_PCI 0x08
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#define ASC_CHIP_VER_PCI_ULTRA_3150 (ASC_CHIP_VER_PCI | 0x02)
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#define ASC_CHIP_VER_PCI_ULTRA_3050 (ASC_CHIP_VER_PCI | 0x03)
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#define ASC_CHIP_MIN_VER_EISA (0x41)
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#define ASC_CHIP_MAX_VER_EISA (0x47)
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#define ASC_CHIP_VER_EISA_BIT (0x40)
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#define ASC_CHIP_LATEST_VER_EISA ((ASC_CHIP_MIN_VER_EISA - 1) + 3)
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#define ASC_MAX_VL_DMA_COUNT (0x07FFFFFFL)
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#define ASC_MAX_PCI_DMA_COUNT (0xFFFFFFFFL)
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#define ASC_MAX_ISA_DMA_COUNT (0x00FFFFFFL)
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#define ASC_SCSI_ID_BITS 3
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#define ASC_SCSI_TIX_TYPE uchar
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#define ASC_ALL_DEVICE_BIT_SET 0xFF
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#define ASC_SCSI_BIT_ID_TYPE uchar
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#define ASC_MAX_TID 7
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#define ASC_MAX_LUN 7
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#define ASC_SCSI_WIDTH_BIT_SET 0xFF
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#define ASC_MAX_SENSE_LEN 32
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#define ASC_MIN_SENSE_LEN 14
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#define ASC_SCSI_RESET_HOLD_TIME_US 60
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/*
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* Narrow boards only support 12-byte commands, while wide boards
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* extend to 16-byte commands.
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*/
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#define ASC_MAX_CDB_LEN 12
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#define ADV_MAX_CDB_LEN 16
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#define MS_SDTR_LEN 0x03
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#define MS_WDTR_LEN 0x02
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#define ASC_SG_LIST_PER_Q 7
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#define QS_FREE 0x00
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#define QS_READY 0x01
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#define QS_DISC1 0x02
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#define QS_DISC2 0x04
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#define QS_BUSY 0x08
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#define QS_ABORTED 0x40
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#define QS_DONE 0x80
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#define QC_NO_CALLBACK 0x01
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#define QC_SG_SWAP_QUEUE 0x02
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#define QC_SG_HEAD 0x04
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#define QC_DATA_IN 0x08
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#define QC_DATA_OUT 0x10
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#define QC_URGENT 0x20
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#define QC_MSG_OUT 0x40
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#define QC_REQ_SENSE 0x80
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#define QCSG_SG_XFER_LIST 0x02
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#define QCSG_SG_XFER_MORE 0x04
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#define QCSG_SG_XFER_END 0x08
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#define QD_IN_PROGRESS 0x00
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#define QD_NO_ERROR 0x01
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#define QD_ABORTED_BY_HOST 0x02
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#define QD_WITH_ERROR 0x04
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#define QD_INVALID_REQUEST 0x80
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#define QD_INVALID_HOST_NUM 0x81
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#define QD_INVALID_DEVICE 0x82
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#define QD_ERR_INTERNAL 0xFF
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#define QHSTA_NO_ERROR 0x00
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#define QHSTA_M_SEL_TIMEOUT 0x11
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#define QHSTA_M_DATA_OVER_RUN 0x12
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#define QHSTA_M_DATA_UNDER_RUN 0x12
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#define QHSTA_M_UNEXPECTED_BUS_FREE 0x13
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#define QHSTA_M_BAD_BUS_PHASE_SEQ 0x14
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#define QHSTA_D_QDONE_SG_LIST_CORRUPTED 0x21
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#define QHSTA_D_ASC_DVC_ERROR_CODE_SET 0x22
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#define QHSTA_D_HOST_ABORT_FAILED 0x23
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#define QHSTA_D_EXE_SCSI_Q_FAILED 0x24
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#define QHSTA_D_EXE_SCSI_Q_BUSY_TIMEOUT 0x25
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#define QHSTA_D_ASPI_NO_BUF_POOL 0x26
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#define QHSTA_M_WTM_TIMEOUT 0x41
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#define QHSTA_M_BAD_CMPL_STATUS_IN 0x42
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#define QHSTA_M_NO_AUTO_REQ_SENSE 0x43
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#define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44
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#define QHSTA_M_TARGET_STATUS_BUSY 0x45
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#define QHSTA_M_BAD_TAG_CODE 0x46
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#define QHSTA_M_BAD_QUEUE_FULL_OR_BUSY 0x47
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#define QHSTA_M_HUNG_REQ_SCSI_BUS_RESET 0x48
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#define QHSTA_D_LRAM_CMP_ERROR 0x81
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#define QHSTA_M_MICRO_CODE_ERROR_HALT 0xA1
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#define ASC_FLAG_SCSIQ_REQ 0x01
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#define ASC_FLAG_BIOS_SCSIQ_REQ 0x02
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#define ASC_FLAG_BIOS_ASYNC_IO 0x04
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#define ASC_FLAG_SRB_LINEAR_ADDR 0x08
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#define ASC_FLAG_WIN16 0x10
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#define ASC_FLAG_WIN32 0x20
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#define ASC_FLAG_ISA_OVER_16MB 0x40
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#define ASC_FLAG_DOS_VM_CALLBACK 0x80
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#define ASC_TAG_FLAG_EXTRA_BYTES 0x10
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#define ASC_TAG_FLAG_DISABLE_DISCONNECT 0x04
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#define ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX 0x08
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#define ASC_TAG_FLAG_DISABLE_CHK_COND_INT_HOST 0x40
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#define ASC_SCSIQ_CPY_BEG 4
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#define ASC_SCSIQ_SGHD_CPY_BEG 2
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#define ASC_SCSIQ_B_FWD 0
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#define ASC_SCSIQ_B_BWD 1
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#define ASC_SCSIQ_B_STATUS 2
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#define ASC_SCSIQ_B_QNO 3
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#define ASC_SCSIQ_B_CNTL 4
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#define ASC_SCSIQ_B_SG_QUEUE_CNT 5
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#define ASC_SCSIQ_D_DATA_ADDR 8
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#define ASC_SCSIQ_D_DATA_CNT 12
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#define ASC_SCSIQ_B_SENSE_LEN 20
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#define ASC_SCSIQ_DONE_INFO_BEG 22
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#define ASC_SCSIQ_D_SRBPTR 22
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#define ASC_SCSIQ_B_TARGET_IX 26
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#define ASC_SCSIQ_B_CDB_LEN 28
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#define ASC_SCSIQ_B_TAG_CODE 29
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#define ASC_SCSIQ_W_VM_ID 30
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#define ASC_SCSIQ_DONE_STATUS 32
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#define ASC_SCSIQ_HOST_STATUS 33
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#define ASC_SCSIQ_SCSI_STATUS 34
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#define ASC_SCSIQ_CDB_BEG 36
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#define ASC_SCSIQ_DW_REMAIN_XFER_ADDR 56
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#define ASC_SCSIQ_DW_REMAIN_XFER_CNT 60
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#define ASC_SCSIQ_B_FIRST_SG_WK_QP 48
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#define ASC_SCSIQ_B_SG_WK_QP 49
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#define ASC_SCSIQ_B_SG_WK_IX 50
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#define ASC_SCSIQ_W_ALT_DC1 52
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#define ASC_SCSIQ_B_LIST_CNT 6
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#define ASC_SCSIQ_B_CUR_LIST_CNT 7
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#define ASC_SGQ_B_SG_CNTL 4
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#define ASC_SGQ_B_SG_HEAD_QP 5
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#define ASC_SGQ_B_SG_LIST_CNT 6
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#define ASC_SGQ_B_SG_CUR_LIST_CNT 7
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#define ASC_SGQ_LIST_BEG 8
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#define ASC_DEF_SCSI1_QNG 4
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#define ASC_MAX_SCSI1_QNG 4
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#define ASC_DEF_SCSI2_QNG 16
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#define ASC_MAX_SCSI2_QNG 32
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#define ASC_TAG_CODE_MASK 0x23
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#define ASC_STOP_REQ_RISC_STOP 0x01
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#define ASC_STOP_ACK_RISC_STOP 0x03
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#define ASC_STOP_CLEAN_UP_BUSY_Q 0x10
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#define ASC_STOP_CLEAN_UP_DISC_Q 0x20
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#define ASC_STOP_HOST_REQ_RISC_HALT 0x40
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#define ASC_TIDLUN_TO_IX(tid, lun) (ASC_SCSI_TIX_TYPE)((tid) + ((lun)<<ASC_SCSI_ID_BITS))
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#define ASC_TID_TO_TARGET_ID(tid) (ASC_SCSI_BIT_ID_TYPE)(0x01 << (tid))
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#define ASC_TIX_TO_TARGET_ID(tix) (0x01 << ((tix) & ASC_MAX_TID))
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#define ASC_TIX_TO_TID(tix) ((tix) & ASC_MAX_TID)
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#define ASC_TID_TO_TIX(tid) ((tid) & ASC_MAX_TID)
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#define ASC_TIX_TO_LUN(tix) (((tix) >> ASC_SCSI_ID_BITS) & ASC_MAX_LUN)
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#define ASC_QNO_TO_QADDR(q_no) ((ASC_QADR_BEG)+((int)(q_no) << 6))
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typedef struct asc_scsiq_1 {
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uchar status;
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uchar q_no;
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uchar cntl;
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uchar sg_queue_cnt;
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uchar target_id;
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uchar target_lun;
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__le32 data_addr;
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__le32 data_cnt;
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__le32 sense_addr;
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uchar sense_len;
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uchar extra_bytes;
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} ASC_SCSIQ_1;
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typedef struct asc_scsiq_2 {
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u32 srb_tag;
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uchar target_ix;
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uchar flag;
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uchar cdb_len;
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uchar tag_code;
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ushort vm_id;
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} ASC_SCSIQ_2;
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typedef struct asc_scsiq_3 {
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uchar done_stat;
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uchar host_stat;
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uchar scsi_stat;
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uchar scsi_msg;
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} ASC_SCSIQ_3;
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typedef struct asc_scsiq_4 {
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uchar cdb[ASC_MAX_CDB_LEN];
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uchar y_first_sg_list_qp;
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uchar y_working_sg_qp;
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uchar y_working_sg_ix;
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uchar y_res;
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ushort x_req_count;
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ushort x_reconnect_rtn;
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__le32 x_saved_data_addr;
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__le32 x_saved_data_cnt;
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} ASC_SCSIQ_4;
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typedef struct asc_q_done_info {
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ASC_SCSIQ_2 d2;
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ASC_SCSIQ_3 d3;
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uchar q_status;
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uchar q_no;
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uchar cntl;
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uchar sense_len;
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uchar extra_bytes;
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uchar res;
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u32 remain_bytes;
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} ASC_QDONE_INFO;
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typedef struct asc_sg_list {
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__le32 addr;
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__le32 bytes;
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} ASC_SG_LIST;
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typedef struct asc_sg_head {
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ushort entry_cnt;
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ushort queue_cnt;
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ushort entry_to_copy;
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ushort res;
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ASC_SG_LIST sg_list[0];
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} ASC_SG_HEAD;
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typedef struct asc_scsi_q {
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ASC_SCSIQ_1 q1;
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ASC_SCSIQ_2 q2;
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uchar *cdbptr;
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ASC_SG_HEAD *sg_head;
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ushort remain_sg_entry_cnt;
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ushort next_sg_index;
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} ASC_SCSI_Q;
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typedef struct asc_scsi_bios_req_q {
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ASC_SCSIQ_1 r1;
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ASC_SCSIQ_2 r2;
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uchar *cdbptr;
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ASC_SG_HEAD *sg_head;
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uchar *sense_ptr;
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ASC_SCSIQ_3 r3;
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uchar cdb[ASC_MAX_CDB_LEN];
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uchar sense[ASC_MIN_SENSE_LEN];
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} ASC_SCSI_BIOS_REQ_Q;
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typedef struct asc_risc_q {
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uchar fwd;
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uchar bwd;
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ASC_SCSIQ_1 i1;
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ASC_SCSIQ_2 i2;
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ASC_SCSIQ_3 i3;
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ASC_SCSIQ_4 i4;
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} ASC_RISC_Q;
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typedef struct asc_sg_list_q {
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uchar seq_no;
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uchar q_no;
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uchar cntl;
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uchar sg_head_qp;
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uchar sg_list_cnt;
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uchar sg_cur_list_cnt;
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} ASC_SG_LIST_Q;
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typedef struct asc_risc_sg_list_q {
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uchar fwd;
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uchar bwd;
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ASC_SG_LIST_Q sg;
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ASC_SG_LIST sg_list[7];
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} ASC_RISC_SG_LIST_Q;
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#define ASCQ_ERR_Q_STATUS 0x0D
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#define ASCQ_ERR_CUR_QNG 0x17
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#define ASCQ_ERR_SG_Q_LINKS 0x18
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#define ASCQ_ERR_ISR_RE_ENTRY 0x1A
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#define ASCQ_ERR_CRITICAL_RE_ENTRY 0x1B
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#define ASCQ_ERR_ISR_ON_CRITICAL 0x1C
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/*
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* Warning code values are set in ASC_DVC_VAR 'warn_code'.
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*/
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#define ASC_WARN_NO_ERROR 0x0000
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#define ASC_WARN_IO_PORT_ROTATE 0x0001
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#define ASC_WARN_EEPROM_CHKSUM 0x0002
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#define ASC_WARN_IRQ_MODIFIED 0x0004
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#define ASC_WARN_AUTO_CONFIG 0x0008
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#define ASC_WARN_CMD_QNG_CONFLICT 0x0010
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#define ASC_WARN_EEPROM_RECOVER 0x0020
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#define ASC_WARN_CFG_MSW_RECOVER 0x0040
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/*
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* Error code values are set in {ASC/ADV}_DVC_VAR 'err_code'.
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*/
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#define ASC_IERR_NO_CARRIER 0x0001 /* No more carrier memory */
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#define ASC_IERR_MCODE_CHKSUM 0x0002 /* micro code check sum error */
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#define ASC_IERR_SET_PC_ADDR 0x0004
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#define ASC_IERR_START_STOP_CHIP 0x0008 /* start/stop chip failed */
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#define ASC_IERR_ILLEGAL_CONNECTION 0x0010 /* Illegal cable connection */
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#define ASC_IERR_SINGLE_END_DEVICE 0x0020 /* SE device on DIFF bus */
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#define ASC_IERR_REVERSED_CABLE 0x0040 /* Narrow flat cable reversed */
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#define ASC_IERR_SET_SCSI_ID 0x0080 /* set SCSI ID failed */
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#define ASC_IERR_HVD_DEVICE 0x0100 /* HVD device on LVD port */
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#define ASC_IERR_BAD_SIGNATURE 0x0200 /* signature not found */
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#define ASC_IERR_NO_BUS_TYPE 0x0400
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#define ASC_IERR_BIST_PRE_TEST 0x0800 /* BIST pre-test error */
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#define ASC_IERR_BIST_RAM_TEST 0x1000 /* BIST RAM test error */
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|
#define ASC_IERR_BAD_CHIPTYPE 0x2000 /* Invalid chip_type setting */
|
|
|
|
#define ASC_DEF_MAX_TOTAL_QNG (0xF0)
|
|
#define ASC_MIN_TAG_Q_PER_DVC (0x04)
|
|
#define ASC_MIN_FREE_Q (0x02)
|
|
#define ASC_MIN_TOTAL_QNG ((ASC_MAX_SG_QUEUE)+(ASC_MIN_FREE_Q))
|
|
#define ASC_MAX_TOTAL_QNG 240
|
|
#define ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG 16
|
|
#define ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG 8
|
|
#define ASC_MAX_PCI_INRAM_TOTAL_QNG 20
|
|
#define ASC_MAX_INRAM_TAG_QNG 16
|
|
#define ASC_IOADR_GAP 0x10
|
|
#define ASC_SYN_MAX_OFFSET 0x0F
|
|
#define ASC_DEF_SDTR_OFFSET 0x0F
|
|
#define ASC_SDTR_ULTRA_PCI_10MB_INDEX 0x02
|
|
#define ASYN_SDTR_DATA_FIX_PCI_REV_AB 0x41
|
|
|
|
/* The narrow chip only supports a limited selection of transfer rates.
|
|
* These are encoded in the range 0..7 or 0..15 depending whether the chip
|
|
* is Ultra-capable or not. These tables let us convert from one to the other.
|
|
*/
|
|
static const unsigned char asc_syn_xfer_period[8] = {
|
|
25, 30, 35, 40, 50, 60, 70, 85
|
|
};
|
|
|
|
static const unsigned char asc_syn_ultra_xfer_period[16] = {
|
|
12, 19, 25, 32, 38, 44, 50, 57, 63, 69, 75, 82, 88, 94, 100, 107
|
|
};
|
|
|
|
typedef struct ext_msg {
|
|
uchar msg_type;
|
|
uchar msg_len;
|
|
uchar msg_req;
|
|
union {
|
|
struct {
|
|
uchar sdtr_xfer_period;
|
|
uchar sdtr_req_ack_offset;
|
|
} sdtr;
|
|
struct {
|
|
uchar wdtr_width;
|
|
} wdtr;
|
|
struct {
|
|
uchar mdp_b3;
|
|
uchar mdp_b2;
|
|
uchar mdp_b1;
|
|
uchar mdp_b0;
|
|
} mdp;
|
|
} u_ext_msg;
|
|
uchar res;
|
|
} EXT_MSG;
|
|
|
|
#define xfer_period u_ext_msg.sdtr.sdtr_xfer_period
|
|
#define req_ack_offset u_ext_msg.sdtr.sdtr_req_ack_offset
|
|
#define wdtr_width u_ext_msg.wdtr.wdtr_width
|
|
#define mdp_b3 u_ext_msg.mdp_b3
|
|
#define mdp_b2 u_ext_msg.mdp_b2
|
|
#define mdp_b1 u_ext_msg.mdp_b1
|
|
#define mdp_b0 u_ext_msg.mdp_b0
|
|
|
|
typedef struct asc_dvc_cfg {
|
|
ASC_SCSI_BIT_ID_TYPE can_tagged_qng;
|
|
ASC_SCSI_BIT_ID_TYPE cmd_qng_enabled;
|
|
ASC_SCSI_BIT_ID_TYPE disc_enable;
|
|
ASC_SCSI_BIT_ID_TYPE sdtr_enable;
|
|
uchar chip_scsi_id;
|
|
uchar isa_dma_speed;
|
|
uchar isa_dma_channel;
|
|
uchar chip_version;
|
|
ushort mcode_date;
|
|
ushort mcode_version;
|
|
uchar max_tag_qng[ASC_MAX_TID + 1];
|
|
uchar sdtr_period_offset[ASC_MAX_TID + 1];
|
|
uchar adapter_info[6];
|
|
} ASC_DVC_CFG;
|
|
|
|
#define ASC_DEF_DVC_CNTL 0xFFFF
|
|
#define ASC_DEF_CHIP_SCSI_ID 7
|
|
#define ASC_DEF_ISA_DMA_SPEED 4
|
|
#define ASC_INIT_STATE_BEG_GET_CFG 0x0001
|
|
#define ASC_INIT_STATE_END_GET_CFG 0x0002
|
|
#define ASC_INIT_STATE_BEG_SET_CFG 0x0004
|
|
#define ASC_INIT_STATE_END_SET_CFG 0x0008
|
|
#define ASC_INIT_STATE_BEG_LOAD_MC 0x0010
|
|
#define ASC_INIT_STATE_END_LOAD_MC 0x0020
|
|
#define ASC_INIT_STATE_BEG_INQUIRY 0x0040
|
|
#define ASC_INIT_STATE_END_INQUIRY 0x0080
|
|
#define ASC_INIT_RESET_SCSI_DONE 0x0100
|
|
#define ASC_INIT_STATE_WITHOUT_EEP 0x8000
|
|
#define ASC_BUG_FIX_IF_NOT_DWB 0x0001
|
|
#define ASC_BUG_FIX_ASYN_USE_SYN 0x0002
|
|
#define ASC_MIN_TAGGED_CMD 7
|
|
#define ASC_MAX_SCSI_RESET_WAIT 30
|
|
#define ASC_OVERRUN_BSIZE 64
|
|
|
|
struct asc_dvc_var; /* Forward Declaration. */
|
|
|
|
typedef struct asc_dvc_var {
|
|
PortAddr iop_base;
|
|
ushort err_code;
|
|
ushort dvc_cntl;
|
|
ushort bug_fix_cntl;
|
|
ushort bus_type;
|
|
ASC_SCSI_BIT_ID_TYPE init_sdtr;
|
|
ASC_SCSI_BIT_ID_TYPE sdtr_done;
|
|
ASC_SCSI_BIT_ID_TYPE use_tagged_qng;
|
|
ASC_SCSI_BIT_ID_TYPE unit_not_ready;
|
|
ASC_SCSI_BIT_ID_TYPE queue_full_or_busy;
|
|
ASC_SCSI_BIT_ID_TYPE start_motor;
|
|
uchar *overrun_buf;
|
|
dma_addr_t overrun_dma;
|
|
uchar scsi_reset_wait;
|
|
uchar chip_no;
|
|
bool is_in_int;
|
|
uchar max_total_qng;
|
|
uchar cur_total_qng;
|
|
uchar in_critical_cnt;
|
|
uchar last_q_shortage;
|
|
ushort init_state;
|
|
uchar cur_dvc_qng[ASC_MAX_TID + 1];
|
|
uchar max_dvc_qng[ASC_MAX_TID + 1];
|
|
ASC_SCSI_Q *scsiq_busy_head[ASC_MAX_TID + 1];
|
|
ASC_SCSI_Q *scsiq_busy_tail[ASC_MAX_TID + 1];
|
|
const uchar *sdtr_period_tbl;
|
|
ASC_DVC_CFG *cfg;
|
|
ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer_always;
|
|
char redo_scam;
|
|
ushort res2;
|
|
uchar dos_int13_table[ASC_MAX_TID + 1];
|
|
unsigned int max_dma_count;
|
|
ASC_SCSI_BIT_ID_TYPE no_scam;
|
|
ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer;
|
|
uchar min_sdtr_index;
|
|
uchar max_sdtr_index;
|
|
struct asc_board *drv_ptr;
|
|
unsigned int uc_break;
|
|
} ASC_DVC_VAR;
|
|
|
|
typedef struct asc_dvc_inq_info {
|
|
uchar type[ASC_MAX_TID + 1][ASC_MAX_LUN + 1];
|
|
} ASC_DVC_INQ_INFO;
|
|
|
|
typedef struct asc_cap_info {
|
|
u32 lba;
|
|
u32 blk_size;
|
|
} ASC_CAP_INFO;
|
|
|
|
typedef struct asc_cap_info_array {
|
|
ASC_CAP_INFO cap_info[ASC_MAX_TID + 1][ASC_MAX_LUN + 1];
|
|
} ASC_CAP_INFO_ARRAY;
|
|
|
|
#define ASC_MCNTL_NO_SEL_TIMEOUT (ushort)0x0001
|
|
#define ASC_MCNTL_NULL_TARGET (ushort)0x0002
|
|
#define ASC_CNTL_INITIATOR (ushort)0x0001
|
|
#define ASC_CNTL_BIOS_GT_1GB (ushort)0x0002
|
|
#define ASC_CNTL_BIOS_GT_2_DISK (ushort)0x0004
|
|
#define ASC_CNTL_BIOS_REMOVABLE (ushort)0x0008
|
|
#define ASC_CNTL_NO_SCAM (ushort)0x0010
|
|
#define ASC_CNTL_INT_MULTI_Q (ushort)0x0080
|
|
#define ASC_CNTL_NO_LUN_SUPPORT (ushort)0x0040
|
|
#define ASC_CNTL_NO_VERIFY_COPY (ushort)0x0100
|
|
#define ASC_CNTL_RESET_SCSI (ushort)0x0200
|
|
#define ASC_CNTL_INIT_INQUIRY (ushort)0x0400
|
|
#define ASC_CNTL_INIT_VERBOSE (ushort)0x0800
|
|
#define ASC_CNTL_SCSI_PARITY (ushort)0x1000
|
|
#define ASC_CNTL_BURST_MODE (ushort)0x2000
|
|
#define ASC_CNTL_SDTR_ENABLE_ULTRA (ushort)0x4000
|
|
#define ASC_EEP_DVC_CFG_BEG_VL 2
|
|
#define ASC_EEP_MAX_DVC_ADDR_VL 15
|
|
#define ASC_EEP_DVC_CFG_BEG 32
|
|
#define ASC_EEP_MAX_DVC_ADDR 45
|
|
#define ASC_EEP_MAX_RETRY 20
|
|
|
|
/*
|
|
* These macros keep the chip SCSI id and ISA DMA speed
|
|
* bitfields in board order. C bitfields aren't portable
|
|
* between big and little-endian platforms so they are
|
|
* not used.
|
|
*/
|
|
|
|
#define ASC_EEP_GET_CHIP_ID(cfg) ((cfg)->id_speed & 0x0f)
|
|
#define ASC_EEP_GET_DMA_SPD(cfg) (((cfg)->id_speed & 0xf0) >> 4)
|
|
#define ASC_EEP_SET_CHIP_ID(cfg, sid) \
|
|
((cfg)->id_speed = ((cfg)->id_speed & 0xf0) | ((sid) & ASC_MAX_TID))
|
|
#define ASC_EEP_SET_DMA_SPD(cfg, spd) \
|
|
((cfg)->id_speed = ((cfg)->id_speed & 0x0f) | ((spd) & 0x0f) << 4)
|
|
|
|
typedef struct asceep_config {
|
|
ushort cfg_lsw;
|
|
ushort cfg_msw;
|
|
uchar init_sdtr;
|
|
uchar disc_enable;
|
|
uchar use_cmd_qng;
|
|
uchar start_motor;
|
|
uchar max_total_qng;
|
|
uchar max_tag_qng;
|
|
uchar bios_scan;
|
|
uchar power_up_wait;
|
|
uchar no_scam;
|
|
uchar id_speed; /* low order 4 bits is chip scsi id */
|
|
/* high order 4 bits is isa dma speed */
|
|
uchar dos_int13_table[ASC_MAX_TID + 1];
|
|
uchar adapter_info[6];
|
|
ushort cntl;
|
|
ushort chksum;
|
|
} ASCEEP_CONFIG;
|
|
|
|
#define ASC_EEP_CMD_READ 0x80
|
|
#define ASC_EEP_CMD_WRITE 0x40
|
|
#define ASC_EEP_CMD_WRITE_ABLE 0x30
|
|
#define ASC_EEP_CMD_WRITE_DISABLE 0x00
|
|
#define ASCV_MSGOUT_BEG 0x0000
|
|
#define ASCV_MSGOUT_SDTR_PERIOD (ASCV_MSGOUT_BEG+3)
|
|
#define ASCV_MSGOUT_SDTR_OFFSET (ASCV_MSGOUT_BEG+4)
|
|
#define ASCV_BREAK_SAVED_CODE (ushort)0x0006
|
|
#define ASCV_MSGIN_BEG (ASCV_MSGOUT_BEG+8)
|
|
#define ASCV_MSGIN_SDTR_PERIOD (ASCV_MSGIN_BEG+3)
|
|
#define ASCV_MSGIN_SDTR_OFFSET (ASCV_MSGIN_BEG+4)
|
|
#define ASCV_SDTR_DATA_BEG (ASCV_MSGIN_BEG+8)
|
|
#define ASCV_SDTR_DONE_BEG (ASCV_SDTR_DATA_BEG+8)
|
|
#define ASCV_MAX_DVC_QNG_BEG (ushort)0x0020
|
|
#define ASCV_BREAK_ADDR (ushort)0x0028
|
|
#define ASCV_BREAK_NOTIFY_COUNT (ushort)0x002A
|
|
#define ASCV_BREAK_CONTROL (ushort)0x002C
|
|
#define ASCV_BREAK_HIT_COUNT (ushort)0x002E
|
|
|
|
#define ASCV_ASCDVC_ERR_CODE_W (ushort)0x0030
|
|
#define ASCV_MCODE_CHKSUM_W (ushort)0x0032
|
|
#define ASCV_MCODE_SIZE_W (ushort)0x0034
|
|
#define ASCV_STOP_CODE_B (ushort)0x0036
|
|
#define ASCV_DVC_ERR_CODE_B (ushort)0x0037
|
|
#define ASCV_OVERRUN_PADDR_D (ushort)0x0038
|
|
#define ASCV_OVERRUN_BSIZE_D (ushort)0x003C
|
|
#define ASCV_HALTCODE_W (ushort)0x0040
|
|
#define ASCV_CHKSUM_W (ushort)0x0042
|
|
#define ASCV_MC_DATE_W (ushort)0x0044
|
|
#define ASCV_MC_VER_W (ushort)0x0046
|
|
#define ASCV_NEXTRDY_B (ushort)0x0048
|
|
#define ASCV_DONENEXT_B (ushort)0x0049
|
|
#define ASCV_USE_TAGGED_QNG_B (ushort)0x004A
|
|
#define ASCV_SCSIBUSY_B (ushort)0x004B
|
|
#define ASCV_Q_DONE_IN_PROGRESS_B (ushort)0x004C
|
|
#define ASCV_CURCDB_B (ushort)0x004D
|
|
#define ASCV_RCLUN_B (ushort)0x004E
|
|
#define ASCV_BUSY_QHEAD_B (ushort)0x004F
|
|
#define ASCV_DISC1_QHEAD_B (ushort)0x0050
|
|
#define ASCV_DISC_ENABLE_B (ushort)0x0052
|
|
#define ASCV_CAN_TAGGED_QNG_B (ushort)0x0053
|
|
#define ASCV_HOSTSCSI_ID_B (ushort)0x0055
|
|
#define ASCV_MCODE_CNTL_B (ushort)0x0056
|
|
#define ASCV_NULL_TARGET_B (ushort)0x0057
|
|
#define ASCV_FREE_Q_HEAD_W (ushort)0x0058
|
|
#define ASCV_DONE_Q_TAIL_W (ushort)0x005A
|
|
#define ASCV_FREE_Q_HEAD_B (ushort)(ASCV_FREE_Q_HEAD_W+1)
|
|
#define ASCV_DONE_Q_TAIL_B (ushort)(ASCV_DONE_Q_TAIL_W+1)
|
|
#define ASCV_HOST_FLAG_B (ushort)0x005D
|
|
#define ASCV_TOTAL_READY_Q_B (ushort)0x0064
|
|
#define ASCV_VER_SERIAL_B (ushort)0x0065
|
|
#define ASCV_HALTCODE_SAVED_W (ushort)0x0066
|
|
#define ASCV_WTM_FLAG_B (ushort)0x0068
|
|
#define ASCV_RISC_FLAG_B (ushort)0x006A
|
|
#define ASCV_REQ_SG_LIST_QP (ushort)0x006B
|
|
#define ASC_HOST_FLAG_IN_ISR 0x01
|
|
#define ASC_HOST_FLAG_ACK_INT 0x02
|
|
#define ASC_RISC_FLAG_GEN_INT 0x01
|
|
#define ASC_RISC_FLAG_REQ_SG_LIST 0x02
|
|
#define IOP_CTRL (0x0F)
|
|
#define IOP_STATUS (0x0E)
|
|
#define IOP_INT_ACK IOP_STATUS
|
|
#define IOP_REG_IFC (0x0D)
|
|
#define IOP_SYN_OFFSET (0x0B)
|
|
#define IOP_EXTRA_CONTROL (0x0D)
|
|
#define IOP_REG_PC (0x0C)
|
|
#define IOP_RAM_ADDR (0x0A)
|
|
#define IOP_RAM_DATA (0x08)
|
|
#define IOP_EEP_DATA (0x06)
|
|
#define IOP_EEP_CMD (0x07)
|
|
#define IOP_VERSION (0x03)
|
|
#define IOP_CONFIG_HIGH (0x04)
|
|
#define IOP_CONFIG_LOW (0x02)
|
|
#define IOP_SIG_BYTE (0x01)
|
|
#define IOP_SIG_WORD (0x00)
|
|
#define IOP_REG_DC1 (0x0E)
|
|
#define IOP_REG_DC0 (0x0C)
|
|
#define IOP_REG_SB (0x0B)
|
|
#define IOP_REG_DA1 (0x0A)
|
|
#define IOP_REG_DA0 (0x08)
|
|
#define IOP_REG_SC (0x09)
|
|
#define IOP_DMA_SPEED (0x07)
|
|
#define IOP_REG_FLAG (0x07)
|
|
#define IOP_FIFO_H (0x06)
|
|
#define IOP_FIFO_L (0x04)
|
|
#define IOP_REG_ID (0x05)
|
|
#define IOP_REG_QP (0x03)
|
|
#define IOP_REG_IH (0x02)
|
|
#define IOP_REG_IX (0x01)
|
|
#define IOP_REG_AX (0x00)
|
|
#define IFC_REG_LOCK (0x00)
|
|
#define IFC_REG_UNLOCK (0x09)
|
|
#define IFC_WR_EN_FILTER (0x10)
|
|
#define IFC_RD_NO_EEPROM (0x10)
|
|
#define IFC_SLEW_RATE (0x20)
|
|
#define IFC_ACT_NEG (0x40)
|
|
#define IFC_INP_FILTER (0x80)
|
|
#define IFC_INIT_DEFAULT (IFC_ACT_NEG | IFC_REG_UNLOCK)
|
|
#define SC_SEL (uchar)(0x80)
|
|
#define SC_BSY (uchar)(0x40)
|
|
#define SC_ACK (uchar)(0x20)
|
|
#define SC_REQ (uchar)(0x10)
|
|
#define SC_ATN (uchar)(0x08)
|
|
#define SC_IO (uchar)(0x04)
|
|
#define SC_CD (uchar)(0x02)
|
|
#define SC_MSG (uchar)(0x01)
|
|
#define SEC_SCSI_CTL (uchar)(0x80)
|
|
#define SEC_ACTIVE_NEGATE (uchar)(0x40)
|
|
#define SEC_SLEW_RATE (uchar)(0x20)
|
|
#define SEC_ENABLE_FILTER (uchar)(0x10)
|
|
#define ASC_HALT_EXTMSG_IN (ushort)0x8000
|
|
#define ASC_HALT_CHK_CONDITION (ushort)0x8100
|
|
#define ASC_HALT_SS_QUEUE_FULL (ushort)0x8200
|
|
#define ASC_HALT_DISABLE_ASYN_USE_SYN_FIX (ushort)0x8300
|
|
#define ASC_HALT_ENABLE_ASYN_USE_SYN_FIX (ushort)0x8400
|
|
#define ASC_HALT_SDTR_REJECTED (ushort)0x4000
|
|
#define ASC_HALT_HOST_COPY_SG_LIST_TO_RISC ( ushort )0x2000
|
|
#define ASC_MAX_QNO 0xF8
|
|
#define ASC_DATA_SEC_BEG (ushort)0x0080
|
|
#define ASC_DATA_SEC_END (ushort)0x0080
|
|
#define ASC_CODE_SEC_BEG (ushort)0x0080
|
|
#define ASC_CODE_SEC_END (ushort)0x0080
|
|
#define ASC_QADR_BEG (0x4000)
|
|
#define ASC_QADR_USED (ushort)(ASC_MAX_QNO * 64)
|
|
#define ASC_QADR_END (ushort)0x7FFF
|
|
#define ASC_QLAST_ADR (ushort)0x7FC0
|
|
#define ASC_QBLK_SIZE 0x40
|
|
#define ASC_BIOS_DATA_QBEG 0xF8
|
|
#define ASC_MIN_ACTIVE_QNO 0x01
|
|
#define ASC_QLINK_END 0xFF
|
|
#define ASC_EEPROM_WORDS 0x10
|
|
#define ASC_MAX_MGS_LEN 0x10
|
|
#define ASC_BIOS_ADDR_DEF 0xDC00
|
|
#define ASC_BIOS_SIZE 0x3800
|
|
#define ASC_BIOS_RAM_OFF 0x3800
|
|
#define ASC_BIOS_RAM_SIZE 0x800
|
|
#define ASC_BIOS_MIN_ADDR 0xC000
|
|
#define ASC_BIOS_MAX_ADDR 0xEC00
|
|
#define ASC_BIOS_BANK_SIZE 0x0400
|
|
#define ASC_MCODE_START_ADDR 0x0080
|
|
#define ASC_CFG0_HOST_INT_ON 0x0020
|
|
#define ASC_CFG0_BIOS_ON 0x0040
|
|
#define ASC_CFG0_VERA_BURST_ON 0x0080
|
|
#define ASC_CFG0_SCSI_PARITY_ON 0x0800
|
|
#define ASC_CFG1_SCSI_TARGET_ON 0x0080
|
|
#define ASC_CFG1_LRAM_8BITS_ON 0x0800
|
|
#define ASC_CFG_MSW_CLR_MASK 0x3080
|
|
#define CSW_TEST1 (ASC_CS_TYPE)0x8000
|
|
#define CSW_AUTO_CONFIG (ASC_CS_TYPE)0x4000
|
|
#define CSW_RESERVED1 (ASC_CS_TYPE)0x2000
|
|
#define CSW_IRQ_WRITTEN (ASC_CS_TYPE)0x1000
|
|
#define CSW_33MHZ_SELECTED (ASC_CS_TYPE)0x0800
|
|
#define CSW_TEST2 (ASC_CS_TYPE)0x0400
|
|
#define CSW_TEST3 (ASC_CS_TYPE)0x0200
|
|
#define CSW_RESERVED2 (ASC_CS_TYPE)0x0100
|
|
#define CSW_DMA_DONE (ASC_CS_TYPE)0x0080
|
|
#define CSW_FIFO_RDY (ASC_CS_TYPE)0x0040
|
|
#define CSW_EEP_READ_DONE (ASC_CS_TYPE)0x0020
|
|
#define CSW_HALTED (ASC_CS_TYPE)0x0010
|
|
#define CSW_SCSI_RESET_ACTIVE (ASC_CS_TYPE)0x0008
|
|
#define CSW_PARITY_ERR (ASC_CS_TYPE)0x0004
|
|
#define CSW_SCSI_RESET_LATCH (ASC_CS_TYPE)0x0002
|
|
#define CSW_INT_PENDING (ASC_CS_TYPE)0x0001
|
|
#define CIW_CLR_SCSI_RESET_INT (ASC_CS_TYPE)0x1000
|
|
#define CIW_INT_ACK (ASC_CS_TYPE)0x0100
|
|
#define CIW_TEST1 (ASC_CS_TYPE)0x0200
|
|
#define CIW_TEST2 (ASC_CS_TYPE)0x0400
|
|
#define CIW_SEL_33MHZ (ASC_CS_TYPE)0x0800
|
|
#define CIW_IRQ_ACT (ASC_CS_TYPE)0x1000
|
|
#define CC_CHIP_RESET (uchar)0x80
|
|
#define CC_SCSI_RESET (uchar)0x40
|
|
#define CC_HALT (uchar)0x20
|
|
#define CC_SINGLE_STEP (uchar)0x10
|
|
#define CC_DMA_ABLE (uchar)0x08
|
|
#define CC_TEST (uchar)0x04
|
|
#define CC_BANK_ONE (uchar)0x02
|
|
#define CC_DIAG (uchar)0x01
|
|
#define ASC_1000_ID0W 0x04C1
|
|
#define ASC_1000_ID0W_FIX 0x00C1
|
|
#define ASC_1000_ID1B 0x25
|
|
#define ASC_EISA_REV_IOP_MASK (0x0C83)
|
|
#define ASC_EISA_CFG_IOP_MASK (0x0C86)
|
|
#define ASC_GET_EISA_SLOT(iop) (PortAddr)((iop) & 0xF000)
|
|
#define INS_HALTINT (ushort)0x6281
|
|
#define INS_HALT (ushort)0x6280
|
|
#define INS_SINT (ushort)0x6200
|
|
#define INS_RFLAG_WTM (ushort)0x7380
|
|
#define ASC_MC_SAVE_CODE_WSIZE 0x500
|
|
#define ASC_MC_SAVE_DATA_WSIZE 0x40
|
|
|
|
typedef struct asc_mc_saved {
|
|
ushort data[ASC_MC_SAVE_DATA_WSIZE];
|
|
ushort code[ASC_MC_SAVE_CODE_WSIZE];
|
|
} ASC_MC_SAVED;
|
|
|
|
#define AscGetQDoneInProgress(port) AscReadLramByte((port), ASCV_Q_DONE_IN_PROGRESS_B)
|
|
#define AscPutQDoneInProgress(port, val) AscWriteLramByte((port), ASCV_Q_DONE_IN_PROGRESS_B, val)
|
|
#define AscGetVarFreeQHead(port) AscReadLramWord((port), ASCV_FREE_Q_HEAD_W)
|
|
#define AscGetVarDoneQTail(port) AscReadLramWord((port), ASCV_DONE_Q_TAIL_W)
|
|
#define AscPutVarFreeQHead(port, val) AscWriteLramWord((port), ASCV_FREE_Q_HEAD_W, val)
|
|
#define AscPutVarDoneQTail(port, val) AscWriteLramWord((port), ASCV_DONE_Q_TAIL_W, val)
|
|
#define AscGetRiscVarFreeQHead(port) AscReadLramByte((port), ASCV_NEXTRDY_B)
|
|
#define AscGetRiscVarDoneQTail(port) AscReadLramByte((port), ASCV_DONENEXT_B)
|
|
#define AscPutRiscVarFreeQHead(port, val) AscWriteLramByte((port), ASCV_NEXTRDY_B, val)
|
|
#define AscPutRiscVarDoneQTail(port, val) AscWriteLramByte((port), ASCV_DONENEXT_B, val)
|
|
#define AscPutMCodeSDTRDoneAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id), (data))
|
|
#define AscGetMCodeSDTRDoneAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id))
|
|
#define AscPutMCodeInitSDTRAtID(port, id, data) AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id), data)
|
|
#define AscGetMCodeInitSDTRAtID(port, id) AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id))
|
|
#define AscGetChipSignatureByte(port) (uchar)inp((port)+IOP_SIG_BYTE)
|
|
#define AscGetChipSignatureWord(port) (ushort)inpw((port)+IOP_SIG_WORD)
|
|
#define AscGetChipVerNo(port) (uchar)inp((port)+IOP_VERSION)
|
|
#define AscGetChipCfgLsw(port) (ushort)inpw((port)+IOP_CONFIG_LOW)
|
|
#define AscGetChipCfgMsw(port) (ushort)inpw((port)+IOP_CONFIG_HIGH)
|
|
#define AscSetChipCfgLsw(port, data) outpw((port)+IOP_CONFIG_LOW, data)
|
|
#define AscSetChipCfgMsw(port, data) outpw((port)+IOP_CONFIG_HIGH, data)
|
|
#define AscGetChipEEPCmd(port) (uchar)inp((port)+IOP_EEP_CMD)
|
|
#define AscSetChipEEPCmd(port, data) outp((port)+IOP_EEP_CMD, data)
|
|
#define AscGetChipEEPData(port) (ushort)inpw((port)+IOP_EEP_DATA)
|
|
#define AscSetChipEEPData(port, data) outpw((port)+IOP_EEP_DATA, data)
|
|
#define AscGetChipLramAddr(port) (ushort)inpw((PortAddr)((port)+IOP_RAM_ADDR))
|
|
#define AscSetChipLramAddr(port, addr) outpw((PortAddr)((port)+IOP_RAM_ADDR), addr)
|
|
#define AscGetChipLramData(port) (ushort)inpw((port)+IOP_RAM_DATA)
|
|
#define AscSetChipLramData(port, data) outpw((port)+IOP_RAM_DATA, data)
|
|
#define AscGetChipIFC(port) (uchar)inp((port)+IOP_REG_IFC)
|
|
#define AscSetChipIFC(port, data) outp((port)+IOP_REG_IFC, data)
|
|
#define AscGetChipStatus(port) (ASC_CS_TYPE)inpw((port)+IOP_STATUS)
|
|
#define AscSetChipStatus(port, cs_val) outpw((port)+IOP_STATUS, cs_val)
|
|
#define AscGetChipControl(port) (uchar)inp((port)+IOP_CTRL)
|
|
#define AscSetChipControl(port, cc_val) outp((port)+IOP_CTRL, cc_val)
|
|
#define AscGetChipSyn(port) (uchar)inp((port)+IOP_SYN_OFFSET)
|
|
#define AscSetChipSyn(port, data) outp((port)+IOP_SYN_OFFSET, data)
|
|
#define AscSetPCAddr(port, data) outpw((port)+IOP_REG_PC, data)
|
|
#define AscGetPCAddr(port) (ushort)inpw((port)+IOP_REG_PC)
|
|
#define AscIsIntPending(port) (AscGetChipStatus(port) & (CSW_INT_PENDING | CSW_SCSI_RESET_LATCH))
|
|
#define AscGetChipScsiID(port) ((AscGetChipCfgLsw(port) >> 8) & ASC_MAX_TID)
|
|
#define AscGetExtraControl(port) (uchar)inp((port)+IOP_EXTRA_CONTROL)
|
|
#define AscSetExtraControl(port, data) outp((port)+IOP_EXTRA_CONTROL, data)
|
|
#define AscReadChipAX(port) (ushort)inpw((port)+IOP_REG_AX)
|
|
#define AscWriteChipAX(port, data) outpw((port)+IOP_REG_AX, data)
|
|
#define AscReadChipIX(port) (uchar)inp((port)+IOP_REG_IX)
|
|
#define AscWriteChipIX(port, data) outp((port)+IOP_REG_IX, data)
|
|
#define AscReadChipIH(port) (ushort)inpw((port)+IOP_REG_IH)
|
|
#define AscWriteChipIH(port, data) outpw((port)+IOP_REG_IH, data)
|
|
#define AscReadChipQP(port) (uchar)inp((port)+IOP_REG_QP)
|
|
#define AscWriteChipQP(port, data) outp((port)+IOP_REG_QP, data)
|
|
#define AscReadChipFIFO_L(port) (ushort)inpw((port)+IOP_REG_FIFO_L)
|
|
#define AscWriteChipFIFO_L(port, data) outpw((port)+IOP_REG_FIFO_L, data)
|
|
#define AscReadChipFIFO_H(port) (ushort)inpw((port)+IOP_REG_FIFO_H)
|
|
#define AscWriteChipFIFO_H(port, data) outpw((port)+IOP_REG_FIFO_H, data)
|
|
#define AscReadChipDmaSpeed(port) (uchar)inp((port)+IOP_DMA_SPEED)
|
|
#define AscWriteChipDmaSpeed(port, data) outp((port)+IOP_DMA_SPEED, data)
|
|
#define AscReadChipDA0(port) (ushort)inpw((port)+IOP_REG_DA0)
|
|
#define AscWriteChipDA0(port) outpw((port)+IOP_REG_DA0, data)
|
|
#define AscReadChipDA1(port) (ushort)inpw((port)+IOP_REG_DA1)
|
|
#define AscWriteChipDA1(port) outpw((port)+IOP_REG_DA1, data)
|
|
#define AscReadChipDC0(port) (ushort)inpw((port)+IOP_REG_DC0)
|
|
#define AscWriteChipDC0(port) outpw((port)+IOP_REG_DC0, data)
|
|
#define AscReadChipDC1(port) (ushort)inpw((port)+IOP_REG_DC1)
|
|
#define AscWriteChipDC1(port) outpw((port)+IOP_REG_DC1, data)
|
|
#define AscReadChipDvcID(port) (uchar)inp((port)+IOP_REG_ID)
|
|
#define AscWriteChipDvcID(port, data) outp((port)+IOP_REG_ID, data)
|
|
|
|
#define AdvPortAddr void __iomem * /* Virtual memory address size */
|
|
|
|
/*
|
|
* Define Adv Library required memory access macros.
|
|
*/
|
|
#define ADV_MEM_READB(addr) readb(addr)
|
|
#define ADV_MEM_READW(addr) readw(addr)
|
|
#define ADV_MEM_WRITEB(addr, byte) writeb(byte, addr)
|
|
#define ADV_MEM_WRITEW(addr, word) writew(word, addr)
|
|
#define ADV_MEM_WRITEDW(addr, dword) writel(dword, addr)
|
|
|
|
/*
|
|
* Define total number of simultaneous maximum element scatter-gather
|
|
* request blocks per wide adapter. ASC_DEF_MAX_HOST_QNG (253) is the
|
|
* maximum number of outstanding commands per wide host adapter. Each
|
|
* command uses one or more ADV_SG_BLOCK each with 15 scatter-gather
|
|
* elements. Allow each command to have at least one ADV_SG_BLOCK structure.
|
|
* This allows about 15 commands to have the maximum 17 ADV_SG_BLOCK
|
|
* structures or 255 scatter-gather elements.
|
|
*/
|
|
#define ADV_TOT_SG_BLOCK ASC_DEF_MAX_HOST_QNG
|
|
|
|
/*
|
|
* Define maximum number of scatter-gather elements per request.
|
|
*/
|
|
#define ADV_MAX_SG_LIST 255
|
|
#define NO_OF_SG_PER_BLOCK 15
|
|
|
|
#define ADV_EEP_DVC_CFG_BEGIN (0x00)
|
|
#define ADV_EEP_DVC_CFG_END (0x15)
|
|
#define ADV_EEP_DVC_CTL_BEGIN (0x16) /* location of OEM name */
|
|
#define ADV_EEP_MAX_WORD_ADDR (0x1E)
|
|
|
|
#define ADV_EEP_DELAY_MS 100
|
|
|
|
#define ADV_EEPROM_BIG_ENDIAN 0x8000 /* EEPROM Bit 15 */
|
|
#define ADV_EEPROM_BIOS_ENABLE 0x4000 /* EEPROM Bit 14 */
|
|
/*
|
|
* For the ASC3550 Bit 13 is Termination Polarity control bit.
|
|
* For later ICs Bit 13 controls whether the CIS (Card Information
|
|
* Service Section) is loaded from EEPROM.
|
|
*/
|
|
#define ADV_EEPROM_TERM_POL 0x2000 /* EEPROM Bit 13 */
|
|
#define ADV_EEPROM_CIS_LD 0x2000 /* EEPROM Bit 13 */
|
|
/*
|
|
* ASC38C1600 Bit 11
|
|
*
|
|
* If EEPROM Bit 11 is 0 for Function 0, then Function 0 will specify
|
|
* INT A in the PCI Configuration Space Int Pin field. If it is 1, then
|
|
* Function 0 will specify INT B.
|
|
*
|
|
* If EEPROM Bit 11 is 0 for Function 1, then Function 1 will specify
|
|
* INT B in the PCI Configuration Space Int Pin field. If it is 1, then
|
|
* Function 1 will specify INT A.
|
|
*/
|
|
#define ADV_EEPROM_INTAB 0x0800 /* EEPROM Bit 11 */
|
|
|
|
typedef struct adveep_3550_config {
|
|
/* Word Offset, Description */
|
|
|
|
ushort cfg_lsw; /* 00 power up initialization */
|
|
/* bit 13 set - Term Polarity Control */
|
|
/* bit 14 set - BIOS Enable */
|
|
/* bit 15 set - Big Endian Mode */
|
|
ushort cfg_msw; /* 01 unused */
|
|
ushort disc_enable; /* 02 disconnect enable */
|
|
ushort wdtr_able; /* 03 Wide DTR able */
|
|
ushort sdtr_able; /* 04 Synchronous DTR able */
|
|
ushort start_motor; /* 05 send start up motor */
|
|
ushort tagqng_able; /* 06 tag queuing able */
|
|
ushort bios_scan; /* 07 BIOS device control */
|
|
ushort scam_tolerant; /* 08 no scam */
|
|
|
|
uchar adapter_scsi_id; /* 09 Host Adapter ID */
|
|
uchar bios_boot_delay; /* power up wait */
|
|
|
|
uchar scsi_reset_delay; /* 10 reset delay */
|
|
uchar bios_id_lun; /* first boot device scsi id & lun */
|
|
/* high nibble is lun */
|
|
/* low nibble is scsi id */
|
|
|
|
uchar termination; /* 11 0 - automatic */
|
|
/* 1 - low off / high off */
|
|
/* 2 - low off / high on */
|
|
/* 3 - low on / high on */
|
|
/* There is no low on / high off */
|
|
|
|
uchar reserved1; /* reserved byte (not used) */
|
|
|
|
ushort bios_ctrl; /* 12 BIOS control bits */
|
|
/* bit 0 BIOS don't act as initiator. */
|
|
/* bit 1 BIOS > 1 GB support */
|
|
/* bit 2 BIOS > 2 Disk Support */
|
|
/* bit 3 BIOS don't support removables */
|
|
/* bit 4 BIOS support bootable CD */
|
|
/* bit 5 BIOS scan enabled */
|
|
/* bit 6 BIOS support multiple LUNs */
|
|
/* bit 7 BIOS display of message */
|
|
/* bit 8 SCAM disabled */
|
|
/* bit 9 Reset SCSI bus during init. */
|
|
/* bit 10 */
|
|
/* bit 11 No verbose initialization. */
|
|
/* bit 12 SCSI parity enabled */
|
|
/* bit 13 */
|
|
/* bit 14 */
|
|
/* bit 15 */
|
|
ushort ultra_able; /* 13 ULTRA speed able */
|
|
ushort reserved2; /* 14 reserved */
|
|
uchar max_host_qng; /* 15 maximum host queuing */
|
|
uchar max_dvc_qng; /* maximum per device queuing */
|
|
ushort dvc_cntl; /* 16 control bit for driver */
|
|
ushort bug_fix; /* 17 control bit for bug fix */
|
|
ushort serial_number_word1; /* 18 Board serial number word 1 */
|
|
ushort serial_number_word2; /* 19 Board serial number word 2 */
|
|
ushort serial_number_word3; /* 20 Board serial number word 3 */
|
|
ushort check_sum; /* 21 EEP check sum */
|
|
uchar oem_name[16]; /* 22 OEM name */
|
|
ushort dvc_err_code; /* 30 last device driver error code */
|
|
ushort adv_err_code; /* 31 last uc and Adv Lib error code */
|
|
ushort adv_err_addr; /* 32 last uc error address */
|
|
ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */
|
|
ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */
|
|
ushort saved_adv_err_addr; /* 35 saved last uc error address */
|
|
ushort num_of_err; /* 36 number of error */
|
|
} ADVEEP_3550_CONFIG;
|
|
|
|
typedef struct adveep_38C0800_config {
|
|
/* Word Offset, Description */
|
|
|
|
ushort cfg_lsw; /* 00 power up initialization */
|
|
/* bit 13 set - Load CIS */
|
|
/* bit 14 set - BIOS Enable */
|
|
/* bit 15 set - Big Endian Mode */
|
|
ushort cfg_msw; /* 01 unused */
|
|
ushort disc_enable; /* 02 disconnect enable */
|
|
ushort wdtr_able; /* 03 Wide DTR able */
|
|
ushort sdtr_speed1; /* 04 SDTR Speed TID 0-3 */
|
|
ushort start_motor; /* 05 send start up motor */
|
|
ushort tagqng_able; /* 06 tag queuing able */
|
|
ushort bios_scan; /* 07 BIOS device control */
|
|
ushort scam_tolerant; /* 08 no scam */
|
|
|
|
uchar adapter_scsi_id; /* 09 Host Adapter ID */
|
|
uchar bios_boot_delay; /* power up wait */
|
|
|
|
uchar scsi_reset_delay; /* 10 reset delay */
|
|
uchar bios_id_lun; /* first boot device scsi id & lun */
|
|
/* high nibble is lun */
|
|
/* low nibble is scsi id */
|
|
|
|
uchar termination_se; /* 11 0 - automatic */
|
|
/* 1 - low off / high off */
|
|
/* 2 - low off / high on */
|
|
/* 3 - low on / high on */
|
|
/* There is no low on / high off */
|
|
|
|
uchar termination_lvd; /* 11 0 - automatic */
|
|
/* 1 - low off / high off */
|
|
/* 2 - low off / high on */
|
|
/* 3 - low on / high on */
|
|
/* There is no low on / high off */
|
|
|
|
ushort bios_ctrl; /* 12 BIOS control bits */
|
|
/* bit 0 BIOS don't act as initiator. */
|
|
/* bit 1 BIOS > 1 GB support */
|
|
/* bit 2 BIOS > 2 Disk Support */
|
|
/* bit 3 BIOS don't support removables */
|
|
/* bit 4 BIOS support bootable CD */
|
|
/* bit 5 BIOS scan enabled */
|
|
/* bit 6 BIOS support multiple LUNs */
|
|
/* bit 7 BIOS display of message */
|
|
/* bit 8 SCAM disabled */
|
|
/* bit 9 Reset SCSI bus during init. */
|
|
/* bit 10 */
|
|
/* bit 11 No verbose initialization. */
|
|
/* bit 12 SCSI parity enabled */
|
|
/* bit 13 */
|
|
/* bit 14 */
|
|
/* bit 15 */
|
|
ushort sdtr_speed2; /* 13 SDTR speed TID 4-7 */
|
|
ushort sdtr_speed3; /* 14 SDTR speed TID 8-11 */
|
|
uchar max_host_qng; /* 15 maximum host queueing */
|
|
uchar max_dvc_qng; /* maximum per device queuing */
|
|
ushort dvc_cntl; /* 16 control bit for driver */
|
|
ushort sdtr_speed4; /* 17 SDTR speed 4 TID 12-15 */
|
|
ushort serial_number_word1; /* 18 Board serial number word 1 */
|
|
ushort serial_number_word2; /* 19 Board serial number word 2 */
|
|
ushort serial_number_word3; /* 20 Board serial number word 3 */
|
|
ushort check_sum; /* 21 EEP check sum */
|
|
uchar oem_name[16]; /* 22 OEM name */
|
|
ushort dvc_err_code; /* 30 last device driver error code */
|
|
ushort adv_err_code; /* 31 last uc and Adv Lib error code */
|
|
ushort adv_err_addr; /* 32 last uc error address */
|
|
ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */
|
|
ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */
|
|
ushort saved_adv_err_addr; /* 35 saved last uc error address */
|
|
ushort reserved36; /* 36 reserved */
|
|
ushort reserved37; /* 37 reserved */
|
|
ushort reserved38; /* 38 reserved */
|
|
ushort reserved39; /* 39 reserved */
|
|
ushort reserved40; /* 40 reserved */
|
|
ushort reserved41; /* 41 reserved */
|
|
ushort reserved42; /* 42 reserved */
|
|
ushort reserved43; /* 43 reserved */
|
|
ushort reserved44; /* 44 reserved */
|
|
ushort reserved45; /* 45 reserved */
|
|
ushort reserved46; /* 46 reserved */
|
|
ushort reserved47; /* 47 reserved */
|
|
ushort reserved48; /* 48 reserved */
|
|
ushort reserved49; /* 49 reserved */
|
|
ushort reserved50; /* 50 reserved */
|
|
ushort reserved51; /* 51 reserved */
|
|
ushort reserved52; /* 52 reserved */
|
|
ushort reserved53; /* 53 reserved */
|
|
ushort reserved54; /* 54 reserved */
|
|
ushort reserved55; /* 55 reserved */
|
|
ushort cisptr_lsw; /* 56 CIS PTR LSW */
|
|
ushort cisprt_msw; /* 57 CIS PTR MSW */
|
|
ushort subsysvid; /* 58 SubSystem Vendor ID */
|
|
ushort subsysid; /* 59 SubSystem ID */
|
|
ushort reserved60; /* 60 reserved */
|
|
ushort reserved61; /* 61 reserved */
|
|
ushort reserved62; /* 62 reserved */
|
|
ushort reserved63; /* 63 reserved */
|
|
} ADVEEP_38C0800_CONFIG;
|
|
|
|
typedef struct adveep_38C1600_config {
|
|
/* Word Offset, Description */
|
|
|
|
ushort cfg_lsw; /* 00 power up initialization */
|
|
/* bit 11 set - Func. 0 INTB, Func. 1 INTA */
|
|
/* clear - Func. 0 INTA, Func. 1 INTB */
|
|
/* bit 13 set - Load CIS */
|
|
/* bit 14 set - BIOS Enable */
|
|
/* bit 15 set - Big Endian Mode */
|
|
ushort cfg_msw; /* 01 unused */
|
|
ushort disc_enable; /* 02 disconnect enable */
|
|
ushort wdtr_able; /* 03 Wide DTR able */
|
|
ushort sdtr_speed1; /* 04 SDTR Speed TID 0-3 */
|
|
ushort start_motor; /* 05 send start up motor */
|
|
ushort tagqng_able; /* 06 tag queuing able */
|
|
ushort bios_scan; /* 07 BIOS device control */
|
|
ushort scam_tolerant; /* 08 no scam */
|
|
|
|
uchar adapter_scsi_id; /* 09 Host Adapter ID */
|
|
uchar bios_boot_delay; /* power up wait */
|
|
|
|
uchar scsi_reset_delay; /* 10 reset delay */
|
|
uchar bios_id_lun; /* first boot device scsi id & lun */
|
|
/* high nibble is lun */
|
|
/* low nibble is scsi id */
|
|
|
|
uchar termination_se; /* 11 0 - automatic */
|
|
/* 1 - low off / high off */
|
|
/* 2 - low off / high on */
|
|
/* 3 - low on / high on */
|
|
/* There is no low on / high off */
|
|
|
|
uchar termination_lvd; /* 11 0 - automatic */
|
|
/* 1 - low off / high off */
|
|
/* 2 - low off / high on */
|
|
/* 3 - low on / high on */
|
|
/* There is no low on / high off */
|
|
|
|
ushort bios_ctrl; /* 12 BIOS control bits */
|
|
/* bit 0 BIOS don't act as initiator. */
|
|
/* bit 1 BIOS > 1 GB support */
|
|
/* bit 2 BIOS > 2 Disk Support */
|
|
/* bit 3 BIOS don't support removables */
|
|
/* bit 4 BIOS support bootable CD */
|
|
/* bit 5 BIOS scan enabled */
|
|
/* bit 6 BIOS support multiple LUNs */
|
|
/* bit 7 BIOS display of message */
|
|
/* bit 8 SCAM disabled */
|
|
/* bit 9 Reset SCSI bus during init. */
|
|
/* bit 10 Basic Integrity Checking disabled */
|
|
/* bit 11 No verbose initialization. */
|
|
/* bit 12 SCSI parity enabled */
|
|
/* bit 13 AIPP (Asyn. Info. Ph. Prot.) dis. */
|
|
/* bit 14 */
|
|
/* bit 15 */
|
|
ushort sdtr_speed2; /* 13 SDTR speed TID 4-7 */
|
|
ushort sdtr_speed3; /* 14 SDTR speed TID 8-11 */
|
|
uchar max_host_qng; /* 15 maximum host queueing */
|
|
uchar max_dvc_qng; /* maximum per device queuing */
|
|
ushort dvc_cntl; /* 16 control bit for driver */
|
|
ushort sdtr_speed4; /* 17 SDTR speed 4 TID 12-15 */
|
|
ushort serial_number_word1; /* 18 Board serial number word 1 */
|
|
ushort serial_number_word2; /* 19 Board serial number word 2 */
|
|
ushort serial_number_word3; /* 20 Board serial number word 3 */
|
|
ushort check_sum; /* 21 EEP check sum */
|
|
uchar oem_name[16]; /* 22 OEM name */
|
|
ushort dvc_err_code; /* 30 last device driver error code */
|
|
ushort adv_err_code; /* 31 last uc and Adv Lib error code */
|
|
ushort adv_err_addr; /* 32 last uc error address */
|
|
ushort saved_dvc_err_code; /* 33 saved last dev. driver error code */
|
|
ushort saved_adv_err_code; /* 34 saved last uc and Adv Lib error code */
|
|
ushort saved_adv_err_addr; /* 35 saved last uc error address */
|
|
ushort reserved36; /* 36 reserved */
|
|
ushort reserved37; /* 37 reserved */
|
|
ushort reserved38; /* 38 reserved */
|
|
ushort reserved39; /* 39 reserved */
|
|
ushort reserved40; /* 40 reserved */
|
|
ushort reserved41; /* 41 reserved */
|
|
ushort reserved42; /* 42 reserved */
|
|
ushort reserved43; /* 43 reserved */
|
|
ushort reserved44; /* 44 reserved */
|
|
ushort reserved45; /* 45 reserved */
|
|
ushort reserved46; /* 46 reserved */
|
|
ushort reserved47; /* 47 reserved */
|
|
ushort reserved48; /* 48 reserved */
|
|
ushort reserved49; /* 49 reserved */
|
|
ushort reserved50; /* 50 reserved */
|
|
ushort reserved51; /* 51 reserved */
|
|
ushort reserved52; /* 52 reserved */
|
|
ushort reserved53; /* 53 reserved */
|
|
ushort reserved54; /* 54 reserved */
|
|
ushort reserved55; /* 55 reserved */
|
|
ushort cisptr_lsw; /* 56 CIS PTR LSW */
|
|
ushort cisprt_msw; /* 57 CIS PTR MSW */
|
|
ushort subsysvid; /* 58 SubSystem Vendor ID */
|
|
ushort subsysid; /* 59 SubSystem ID */
|
|
ushort reserved60; /* 60 reserved */
|
|
ushort reserved61; /* 61 reserved */
|
|
ushort reserved62; /* 62 reserved */
|
|
ushort reserved63; /* 63 reserved */
|
|
} ADVEEP_38C1600_CONFIG;
|
|
|
|
/*
|
|
* EEPROM Commands
|
|
*/
|
|
#define ASC_EEP_CMD_DONE 0x0200
|
|
|
|
/* bios_ctrl */
|
|
#define BIOS_CTRL_BIOS 0x0001
|
|
#define BIOS_CTRL_EXTENDED_XLAT 0x0002
|
|
#define BIOS_CTRL_GT_2_DISK 0x0004
|
|
#define BIOS_CTRL_BIOS_REMOVABLE 0x0008
|
|
#define BIOS_CTRL_BOOTABLE_CD 0x0010
|
|
#define BIOS_CTRL_MULTIPLE_LUN 0x0040
|
|
#define BIOS_CTRL_DISPLAY_MSG 0x0080
|
|
#define BIOS_CTRL_NO_SCAM 0x0100
|
|
#define BIOS_CTRL_RESET_SCSI_BUS 0x0200
|
|
#define BIOS_CTRL_INIT_VERBOSE 0x0800
|
|
#define BIOS_CTRL_SCSI_PARITY 0x1000
|
|
#define BIOS_CTRL_AIPP_DIS 0x2000
|
|
|
|
#define ADV_3550_MEMSIZE 0x2000 /* 8 KB Internal Memory */
|
|
|
|
#define ADV_38C0800_MEMSIZE 0x4000 /* 16 KB Internal Memory */
|
|
|
|
/*
|
|
* XXX - Since ASC38C1600 Rev.3 has a local RAM failure issue, there is
|
|
* a special 16K Adv Library and Microcode version. After the issue is
|
|
* resolved, should restore 32K support.
|
|
*
|
|
* #define ADV_38C1600_MEMSIZE 0x8000L * 32 KB Internal Memory *
|
|
*/
|
|
#define ADV_38C1600_MEMSIZE 0x4000 /* 16 KB Internal Memory */
|
|
|
|
/*
|
|
* Byte I/O register address from base of 'iop_base'.
|
|
*/
|
|
#define IOPB_INTR_STATUS_REG 0x00
|
|
#define IOPB_CHIP_ID_1 0x01
|
|
#define IOPB_INTR_ENABLES 0x02
|
|
#define IOPB_CHIP_TYPE_REV 0x03
|
|
#define IOPB_RES_ADDR_4 0x04
|
|
#define IOPB_RES_ADDR_5 0x05
|
|
#define IOPB_RAM_DATA 0x06
|
|
#define IOPB_RES_ADDR_7 0x07
|
|
#define IOPB_FLAG_REG 0x08
|
|
#define IOPB_RES_ADDR_9 0x09
|
|
#define IOPB_RISC_CSR 0x0A
|
|
#define IOPB_RES_ADDR_B 0x0B
|
|
#define IOPB_RES_ADDR_C 0x0C
|
|
#define IOPB_RES_ADDR_D 0x0D
|
|
#define IOPB_SOFT_OVER_WR 0x0E
|
|
#define IOPB_RES_ADDR_F 0x0F
|
|
#define IOPB_MEM_CFG 0x10
|
|
#define IOPB_RES_ADDR_11 0x11
|
|
#define IOPB_GPIO_DATA 0x12
|
|
#define IOPB_RES_ADDR_13 0x13
|
|
#define IOPB_FLASH_PAGE 0x14
|
|
#define IOPB_RES_ADDR_15 0x15
|
|
#define IOPB_GPIO_CNTL 0x16
|
|
#define IOPB_RES_ADDR_17 0x17
|
|
#define IOPB_FLASH_DATA 0x18
|
|
#define IOPB_RES_ADDR_19 0x19
|
|
#define IOPB_RES_ADDR_1A 0x1A
|
|
#define IOPB_RES_ADDR_1B 0x1B
|
|
#define IOPB_RES_ADDR_1C 0x1C
|
|
#define IOPB_RES_ADDR_1D 0x1D
|
|
#define IOPB_RES_ADDR_1E 0x1E
|
|
#define IOPB_RES_ADDR_1F 0x1F
|
|
#define IOPB_DMA_CFG0 0x20
|
|
#define IOPB_DMA_CFG1 0x21
|
|
#define IOPB_TICKLE 0x22
|
|
#define IOPB_DMA_REG_WR 0x23
|
|
#define IOPB_SDMA_STATUS 0x24
|
|
#define IOPB_SCSI_BYTE_CNT 0x25
|
|
#define IOPB_HOST_BYTE_CNT 0x26
|
|
#define IOPB_BYTE_LEFT_TO_XFER 0x27
|
|
#define IOPB_BYTE_TO_XFER_0 0x28
|
|
#define IOPB_BYTE_TO_XFER_1 0x29
|
|
#define IOPB_BYTE_TO_XFER_2 0x2A
|
|
#define IOPB_BYTE_TO_XFER_3 0x2B
|
|
#define IOPB_ACC_GRP 0x2C
|
|
#define IOPB_RES_ADDR_2D 0x2D
|
|
#define IOPB_DEV_ID 0x2E
|
|
#define IOPB_RES_ADDR_2F 0x2F
|
|
#define IOPB_SCSI_DATA 0x30
|
|
#define IOPB_RES_ADDR_31 0x31
|
|
#define IOPB_RES_ADDR_32 0x32
|
|
#define IOPB_SCSI_DATA_HSHK 0x33
|
|
#define IOPB_SCSI_CTRL 0x34
|
|
#define IOPB_RES_ADDR_35 0x35
|
|
#define IOPB_RES_ADDR_36 0x36
|
|
#define IOPB_RES_ADDR_37 0x37
|
|
#define IOPB_RAM_BIST 0x38
|
|
#define IOPB_PLL_TEST 0x39
|
|
#define IOPB_PCI_INT_CFG 0x3A
|
|
#define IOPB_RES_ADDR_3B 0x3B
|
|
#define IOPB_RFIFO_CNT 0x3C
|
|
#define IOPB_RES_ADDR_3D 0x3D
|
|
#define IOPB_RES_ADDR_3E 0x3E
|
|
#define IOPB_RES_ADDR_3F 0x3F
|
|
|
|
/*
|
|
* Word I/O register address from base of 'iop_base'.
|
|
*/
|
|
#define IOPW_CHIP_ID_0 0x00 /* CID0 */
|
|
#define IOPW_CTRL_REG 0x02 /* CC */
|
|
#define IOPW_RAM_ADDR 0x04 /* LA */
|
|
#define IOPW_RAM_DATA 0x06 /* LD */
|
|
#define IOPW_RES_ADDR_08 0x08
|
|
#define IOPW_RISC_CSR 0x0A /* CSR */
|
|
#define IOPW_SCSI_CFG0 0x0C /* CFG0 */
|
|
#define IOPW_SCSI_CFG1 0x0E /* CFG1 */
|
|
#define IOPW_RES_ADDR_10 0x10
|
|
#define IOPW_SEL_MASK 0x12 /* SM */
|
|
#define IOPW_RES_ADDR_14 0x14
|
|
#define IOPW_FLASH_ADDR 0x16 /* FA */
|
|
#define IOPW_RES_ADDR_18 0x18
|
|
#define IOPW_EE_CMD 0x1A /* EC */
|
|
#define IOPW_EE_DATA 0x1C /* ED */
|
|
#define IOPW_SFIFO_CNT 0x1E /* SFC */
|
|
#define IOPW_RES_ADDR_20 0x20
|
|
#define IOPW_Q_BASE 0x22 /* QB */
|
|
#define IOPW_QP 0x24 /* QP */
|
|
#define IOPW_IX 0x26 /* IX */
|
|
#define IOPW_SP 0x28 /* SP */
|
|
#define IOPW_PC 0x2A /* PC */
|
|
#define IOPW_RES_ADDR_2C 0x2C
|
|
#define IOPW_RES_ADDR_2E 0x2E
|
|
#define IOPW_SCSI_DATA 0x30 /* SD */
|
|
#define IOPW_SCSI_DATA_HSHK 0x32 /* SDH */
|
|
#define IOPW_SCSI_CTRL 0x34 /* SC */
|
|
#define IOPW_HSHK_CFG 0x36 /* HCFG */
|
|
#define IOPW_SXFR_STATUS 0x36 /* SXS */
|
|
#define IOPW_SXFR_CNTL 0x38 /* SXL */
|
|
#define IOPW_SXFR_CNTH 0x3A /* SXH */
|
|
#define IOPW_RES_ADDR_3C 0x3C
|
|
#define IOPW_RFIFO_DATA 0x3E /* RFD */
|
|
|
|
/*
|
|
* Doubleword I/O register address from base of 'iop_base'.
|
|
*/
|
|
#define IOPDW_RES_ADDR_0 0x00
|
|
#define IOPDW_RAM_DATA 0x04
|
|
#define IOPDW_RES_ADDR_8 0x08
|
|
#define IOPDW_RES_ADDR_C 0x0C
|
|
#define IOPDW_RES_ADDR_10 0x10
|
|
#define IOPDW_COMMA 0x14
|
|
#define IOPDW_COMMB 0x18
|
|
#define IOPDW_RES_ADDR_1C 0x1C
|
|
#define IOPDW_SDMA_ADDR0 0x20
|
|
#define IOPDW_SDMA_ADDR1 0x24
|
|
#define IOPDW_SDMA_COUNT 0x28
|
|
#define IOPDW_SDMA_ERROR 0x2C
|
|
#define IOPDW_RDMA_ADDR0 0x30
|
|
#define IOPDW_RDMA_ADDR1 0x34
|
|
#define IOPDW_RDMA_COUNT 0x38
|
|
#define IOPDW_RDMA_ERROR 0x3C
|
|
|
|
#define ADV_CHIP_ID_BYTE 0x25
|
|
#define ADV_CHIP_ID_WORD 0x04C1
|
|
|
|
#define ADV_INTR_ENABLE_HOST_INTR 0x01
|
|
#define ADV_INTR_ENABLE_SEL_INTR 0x02
|
|
#define ADV_INTR_ENABLE_DPR_INTR 0x04
|
|
#define ADV_INTR_ENABLE_RTA_INTR 0x08
|
|
#define ADV_INTR_ENABLE_RMA_INTR 0x10
|
|
#define ADV_INTR_ENABLE_RST_INTR 0x20
|
|
#define ADV_INTR_ENABLE_DPE_INTR 0x40
|
|
#define ADV_INTR_ENABLE_GLOBAL_INTR 0x80
|
|
|
|
#define ADV_INTR_STATUS_INTRA 0x01
|
|
#define ADV_INTR_STATUS_INTRB 0x02
|
|
#define ADV_INTR_STATUS_INTRC 0x04
|
|
|
|
#define ADV_RISC_CSR_STOP (0x0000)
|
|
#define ADV_RISC_TEST_COND (0x2000)
|
|
#define ADV_RISC_CSR_RUN (0x4000)
|
|
#define ADV_RISC_CSR_SINGLE_STEP (0x8000)
|
|
|
|
#define ADV_CTRL_REG_HOST_INTR 0x0100
|
|
#define ADV_CTRL_REG_SEL_INTR 0x0200
|
|
#define ADV_CTRL_REG_DPR_INTR 0x0400
|
|
#define ADV_CTRL_REG_RTA_INTR 0x0800
|
|
#define ADV_CTRL_REG_RMA_INTR 0x1000
|
|
#define ADV_CTRL_REG_RES_BIT14 0x2000
|
|
#define ADV_CTRL_REG_DPE_INTR 0x4000
|
|
#define ADV_CTRL_REG_POWER_DONE 0x8000
|
|
#define ADV_CTRL_REG_ANY_INTR 0xFF00
|
|
|
|
#define ADV_CTRL_REG_CMD_RESET 0x00C6
|
|
#define ADV_CTRL_REG_CMD_WR_IO_REG 0x00C5
|
|
#define ADV_CTRL_REG_CMD_RD_IO_REG 0x00C4
|
|
#define ADV_CTRL_REG_CMD_WR_PCI_CFG_SPACE 0x00C3
|
|
#define ADV_CTRL_REG_CMD_RD_PCI_CFG_SPACE 0x00C2
|
|
|
|
#define ADV_TICKLE_NOP 0x00
|
|
#define ADV_TICKLE_A 0x01
|
|
#define ADV_TICKLE_B 0x02
|
|
#define ADV_TICKLE_C 0x03
|
|
|
|
#define AdvIsIntPending(port) \
|
|
(AdvReadWordRegister(port, IOPW_CTRL_REG) & ADV_CTRL_REG_HOST_INTR)
|
|
|
|
/*
|
|
* SCSI_CFG0 Register bit definitions
|
|
*/
|
|
#define TIMER_MODEAB 0xC000 /* Watchdog, Second, and Select. Timer Ctrl. */
|
|
#define PARITY_EN 0x2000 /* Enable SCSI Parity Error detection */
|
|
#define EVEN_PARITY 0x1000 /* Select Even Parity */
|
|
#define WD_LONG 0x0800 /* Watchdog Interval, 1: 57 min, 0: 13 sec */
|
|
#define QUEUE_128 0x0400 /* Queue Size, 1: 128 byte, 0: 64 byte */
|
|
#define PRIM_MODE 0x0100 /* Primitive SCSI mode */
|
|
#define SCAM_EN 0x0080 /* Enable SCAM selection */
|
|
#define SEL_TMO_LONG 0x0040 /* Sel/Resel Timeout, 1: 400 ms, 0: 1.6 ms */
|
|
#define CFRM_ID 0x0020 /* SCAM id sel. confirm., 1: fast, 0: 6.4 ms */
|
|
#define OUR_ID_EN 0x0010 /* Enable OUR_ID bits */
|
|
#define OUR_ID 0x000F /* SCSI ID */
|
|
|
|
/*
|
|
* SCSI_CFG1 Register bit definitions
|
|
*/
|
|
#define BIG_ENDIAN 0x8000 /* Enable Big Endian Mode MIO:15, EEP:15 */
|
|
#define TERM_POL 0x2000 /* Terminator Polarity Ctrl. MIO:13, EEP:13 */
|
|
#define SLEW_RATE 0x1000 /* SCSI output buffer slew rate */
|
|
#define FILTER_SEL 0x0C00 /* Filter Period Selection */
|
|
#define FLTR_DISABLE 0x0000 /* Input Filtering Disabled */
|
|
#define FLTR_11_TO_20NS 0x0800 /* Input Filtering 11ns to 20ns */
|
|
#define FLTR_21_TO_39NS 0x0C00 /* Input Filtering 21ns to 39ns */
|
|
#define ACTIVE_DBL 0x0200 /* Disable Active Negation */
|
|
#define DIFF_MODE 0x0100 /* SCSI differential Mode (Read-Only) */
|
|
#define DIFF_SENSE 0x0080 /* 1: No SE cables, 0: SE cable (Read-Only) */
|
|
#define TERM_CTL_SEL 0x0040 /* Enable TERM_CTL_H and TERM_CTL_L */
|
|
#define TERM_CTL 0x0030 /* External SCSI Termination Bits */
|
|
#define TERM_CTL_H 0x0020 /* Enable External SCSI Upper Termination */
|
|
#define TERM_CTL_L 0x0010 /* Enable External SCSI Lower Termination */
|
|
#define CABLE_DETECT 0x000F /* External SCSI Cable Connection Status */
|
|
|
|
/*
|
|
* Addendum for ASC-38C0800 Chip
|
|
*
|
|
* The ASC-38C1600 Chip uses the same definitions except that the
|
|
* bus mode override bits [12:10] have been moved to byte register
|
|
* offset 0xE (IOPB_SOFT_OVER_WR) bits [12:10]. The [12:10] bits in
|
|
* SCSI_CFG1 are read-only and always available. Bit 14 (DIS_TERM_DRV)
|
|
* is not needed. The [12:10] bits in IOPB_SOFT_OVER_WR are write-only.
|
|
* Also each ASC-38C1600 function or channel uses only cable bits [5:4]
|
|
* and [1:0]. Bits [14], [7:6], [3:2] are unused.
|
|
*/
|
|
#define DIS_TERM_DRV 0x4000 /* 1: Read c_det[3:0], 0: cannot read */
|
|
#define HVD_LVD_SE 0x1C00 /* Device Detect Bits */
|
|
#define HVD 0x1000 /* HVD Device Detect */
|
|
#define LVD 0x0800 /* LVD Device Detect */
|
|
#define SE 0x0400 /* SE Device Detect */
|
|
#define TERM_LVD 0x00C0 /* LVD Termination Bits */
|
|
#define TERM_LVD_HI 0x0080 /* Enable LVD Upper Termination */
|
|
#define TERM_LVD_LO 0x0040 /* Enable LVD Lower Termination */
|
|
#define TERM_SE 0x0030 /* SE Termination Bits */
|
|
#define TERM_SE_HI 0x0020 /* Enable SE Upper Termination */
|
|
#define TERM_SE_LO 0x0010 /* Enable SE Lower Termination */
|
|
#define C_DET_LVD 0x000C /* LVD Cable Detect Bits */
|
|
#define C_DET3 0x0008 /* Cable Detect for LVD External Wide */
|
|
#define C_DET2 0x0004 /* Cable Detect for LVD Internal Wide */
|
|
#define C_DET_SE 0x0003 /* SE Cable Detect Bits */
|
|
#define C_DET1 0x0002 /* Cable Detect for SE Internal Wide */
|
|
#define C_DET0 0x0001 /* Cable Detect for SE Internal Narrow */
|
|
|
|
#define CABLE_ILLEGAL_A 0x7
|
|
/* x 0 0 0 | on on | Illegal (all 3 connectors are used) */
|
|
|
|
#define CABLE_ILLEGAL_B 0xB
|
|
/* 0 x 0 0 | on on | Illegal (all 3 connectors are used) */
|
|
|
|
/*
|
|
* MEM_CFG Register bit definitions
|
|
*/
|
|
#define BIOS_EN 0x40 /* BIOS Enable MIO:14,EEP:14 */
|
|
#define FAST_EE_CLK 0x20 /* Diagnostic Bit */
|
|
#define RAM_SZ 0x1C /* Specify size of RAM to RISC */
|
|
#define RAM_SZ_2KB 0x00 /* 2 KB */
|
|
#define RAM_SZ_4KB 0x04 /* 4 KB */
|
|
#define RAM_SZ_8KB 0x08 /* 8 KB */
|
|
#define RAM_SZ_16KB 0x0C /* 16 KB */
|
|
#define RAM_SZ_32KB 0x10 /* 32 KB */
|
|
#define RAM_SZ_64KB 0x14 /* 64 KB */
|
|
|
|
/*
|
|
* DMA_CFG0 Register bit definitions
|
|
*
|
|
* This register is only accessible to the host.
|
|
*/
|
|
#define BC_THRESH_ENB 0x80 /* PCI DMA Start Conditions */
|
|
#define FIFO_THRESH 0x70 /* PCI DMA FIFO Threshold */
|
|
#define FIFO_THRESH_16B 0x00 /* 16 bytes */
|
|
#define FIFO_THRESH_32B 0x20 /* 32 bytes */
|
|
#define FIFO_THRESH_48B 0x30 /* 48 bytes */
|
|
#define FIFO_THRESH_64B 0x40 /* 64 bytes */
|
|
#define FIFO_THRESH_80B 0x50 /* 80 bytes (default) */
|
|
#define FIFO_THRESH_96B 0x60 /* 96 bytes */
|
|
#define FIFO_THRESH_112B 0x70 /* 112 bytes */
|
|
#define START_CTL 0x0C /* DMA start conditions */
|
|
#define START_CTL_TH 0x00 /* Wait threshold level (default) */
|
|
#define START_CTL_ID 0x04 /* Wait SDMA/SBUS idle */
|
|
#define START_CTL_THID 0x08 /* Wait threshold and SDMA/SBUS idle */
|
|
#define START_CTL_EMFU 0x0C /* Wait SDMA FIFO empty/full */
|
|
#define READ_CMD 0x03 /* Memory Read Method */
|
|
#define READ_CMD_MR 0x00 /* Memory Read */
|
|
#define READ_CMD_MRL 0x02 /* Memory Read Long */
|
|
#define READ_CMD_MRM 0x03 /* Memory Read Multiple (default) */
|
|
|
|
/*
|
|
* ASC-38C0800 RAM BIST Register bit definitions
|
|
*/
|
|
#define RAM_TEST_MODE 0x80
|
|
#define PRE_TEST_MODE 0x40
|
|
#define NORMAL_MODE 0x00
|
|
#define RAM_TEST_DONE 0x10
|
|
#define RAM_TEST_STATUS 0x0F
|
|
#define RAM_TEST_HOST_ERROR 0x08
|
|
#define RAM_TEST_INTRAM_ERROR 0x04
|
|
#define RAM_TEST_RISC_ERROR 0x02
|
|
#define RAM_TEST_SCSI_ERROR 0x01
|
|
#define RAM_TEST_SUCCESS 0x00
|
|
#define PRE_TEST_VALUE 0x05
|
|
#define NORMAL_VALUE 0x00
|
|
|
|
/*
|
|
* ASC38C1600 Definitions
|
|
*
|
|
* IOPB_PCI_INT_CFG Bit Field Definitions
|
|
*/
|
|
|
|
#define INTAB_LD 0x80 /* Value loaded from EEPROM Bit 11. */
|
|
|
|
/*
|
|
* Bit 1 can be set to change the interrupt for the Function to operate in
|
|
* Totem Pole mode. By default Bit 1 is 0 and the interrupt operates in
|
|
* Open Drain mode. Both functions of the ASC38C1600 must be set to the same
|
|
* mode, otherwise the operating mode is undefined.
|
|
*/
|
|
#define TOTEMPOLE 0x02
|
|
|
|
/*
|
|
* Bit 0 can be used to change the Int Pin for the Function. The value is
|
|
* 0 by default for both Functions with Function 0 using INT A and Function
|
|
* B using INT B. For Function 0 if set, INT B is used. For Function 1 if set,
|
|
* INT A is used.
|
|
*
|
|
* EEPROM Word 0 Bit 11 for each Function may change the initial Int Pin
|
|
* value specified in the PCI Configuration Space.
|
|
*/
|
|
#define INTAB 0x01
|
|
|
|
/*
|
|
* Adv Library Status Definitions
|
|
*/
|
|
#define ADV_TRUE 1
|
|
#define ADV_FALSE 0
|
|
#define ADV_SUCCESS 1
|
|
#define ADV_BUSY 0
|
|
#define ADV_ERROR (-1)
|
|
|
|
/*
|
|
* ADV_DVC_VAR 'warn_code' values
|
|
*/
|
|
#define ASC_WARN_BUSRESET_ERROR 0x0001 /* SCSI Bus Reset error */
|
|
#define ASC_WARN_EEPROM_CHKSUM 0x0002 /* EEP check sum error */
|
|
#define ASC_WARN_EEPROM_TERMINATION 0x0004 /* EEP termination bad field */
|
|
#define ASC_WARN_ERROR 0xFFFF /* ADV_ERROR return */
|
|
|
|
#define ADV_MAX_TID 15 /* max. target identifier */
|
|
#define ADV_MAX_LUN 7 /* max. logical unit number */
|
|
|
|
/*
|
|
* Fixed locations of microcode operating variables.
|
|
*/
|
|
#define ASC_MC_CODE_BEGIN_ADDR 0x0028 /* microcode start address */
|
|
#define ASC_MC_CODE_END_ADDR 0x002A /* microcode end address */
|
|
#define ASC_MC_CODE_CHK_SUM 0x002C /* microcode code checksum */
|
|
#define ASC_MC_VERSION_DATE 0x0038 /* microcode version */
|
|
#define ASC_MC_VERSION_NUM 0x003A /* microcode number */
|
|
#define ASC_MC_BIOSMEM 0x0040 /* BIOS RISC Memory Start */
|
|
#define ASC_MC_BIOSLEN 0x0050 /* BIOS RISC Memory Length */
|
|
#define ASC_MC_BIOS_SIGNATURE 0x0058 /* BIOS Signature 0x55AA */
|
|
#define ASC_MC_BIOS_VERSION 0x005A /* BIOS Version (2 bytes) */
|
|
#define ASC_MC_SDTR_SPEED1 0x0090 /* SDTR Speed for TID 0-3 */
|
|
#define ASC_MC_SDTR_SPEED2 0x0092 /* SDTR Speed for TID 4-7 */
|
|
#define ASC_MC_SDTR_SPEED3 0x0094 /* SDTR Speed for TID 8-11 */
|
|
#define ASC_MC_SDTR_SPEED4 0x0096 /* SDTR Speed for TID 12-15 */
|
|
#define ASC_MC_CHIP_TYPE 0x009A
|
|
#define ASC_MC_INTRB_CODE 0x009B
|
|
#define ASC_MC_WDTR_ABLE 0x009C
|
|
#define ASC_MC_SDTR_ABLE 0x009E
|
|
#define ASC_MC_TAGQNG_ABLE 0x00A0
|
|
#define ASC_MC_DISC_ENABLE 0x00A2
|
|
#define ASC_MC_IDLE_CMD_STATUS 0x00A4
|
|
#define ASC_MC_IDLE_CMD 0x00A6
|
|
#define ASC_MC_IDLE_CMD_PARAMETER 0x00A8
|
|
#define ASC_MC_DEFAULT_SCSI_CFG0 0x00AC
|
|
#define ASC_MC_DEFAULT_SCSI_CFG1 0x00AE
|
|
#define ASC_MC_DEFAULT_MEM_CFG 0x00B0
|
|
#define ASC_MC_DEFAULT_SEL_MASK 0x00B2
|
|
#define ASC_MC_SDTR_DONE 0x00B6
|
|
#define ASC_MC_NUMBER_OF_QUEUED_CMD 0x00C0
|
|
#define ASC_MC_NUMBER_OF_MAX_CMD 0x00D0
|
|
#define ASC_MC_DEVICE_HSHK_CFG_TABLE 0x0100
|
|
#define ASC_MC_CONTROL_FLAG 0x0122 /* Microcode control flag. */
|
|
#define ASC_MC_WDTR_DONE 0x0124
|
|
#define ASC_MC_CAM_MODE_MASK 0x015E /* CAM mode TID bitmask. */
|
|
#define ASC_MC_ICQ 0x0160
|
|
#define ASC_MC_IRQ 0x0164
|
|
#define ASC_MC_PPR_ABLE 0x017A
|
|
|
|
/*
|
|
* BIOS LRAM variable absolute offsets.
|
|
*/
|
|
#define BIOS_CODESEG 0x54
|
|
#define BIOS_CODELEN 0x56
|
|
#define BIOS_SIGNATURE 0x58
|
|
#define BIOS_VERSION 0x5A
|
|
|
|
/*
|
|
* Microcode Control Flags
|
|
*
|
|
* Flags set by the Adv Library in RISC variable 'control_flag' (0x122)
|
|
* and handled by the microcode.
|
|
*/
|
|
#define CONTROL_FLAG_IGNORE_PERR 0x0001 /* Ignore DMA Parity Errors */
|
|
#define CONTROL_FLAG_ENABLE_AIPP 0x0002 /* Enabled AIPP checking. */
|
|
|
|
/*
|
|
* ASC_MC_DEVICE_HSHK_CFG_TABLE microcode table or HSHK_CFG register format
|
|
*/
|
|
#define HSHK_CFG_WIDE_XFR 0x8000
|
|
#define HSHK_CFG_RATE 0x0F00
|
|
#define HSHK_CFG_OFFSET 0x001F
|
|
|
|
#define ASC_DEF_MAX_HOST_QNG 0xFD /* Max. number of host commands (253) */
|
|
#define ASC_DEF_MIN_HOST_QNG 0x10 /* Min. number of host commands (16) */
|
|
#define ASC_DEF_MAX_DVC_QNG 0x3F /* Max. number commands per device (63) */
|
|
#define ASC_DEF_MIN_DVC_QNG 0x04 /* Min. number commands per device (4) */
|
|
|
|
#define ASC_QC_DATA_CHECK 0x01 /* Require ASC_QC_DATA_OUT set or clear. */
|
|
#define ASC_QC_DATA_OUT 0x02 /* Data out DMA transfer. */
|
|
#define ASC_QC_START_MOTOR 0x04 /* Send auto-start motor before request. */
|
|
#define ASC_QC_NO_OVERRUN 0x08 /* Don't report overrun. */
|
|
#define ASC_QC_FREEZE_TIDQ 0x10 /* Freeze TID queue after request. XXX TBD */
|
|
|
|
#define ASC_QSC_NO_DISC 0x01 /* Don't allow disconnect for request. */
|
|
#define ASC_QSC_NO_TAGMSG 0x02 /* Don't allow tag queuing for request. */
|
|
#define ASC_QSC_NO_SYNC 0x04 /* Don't use Synch. transfer on request. */
|
|
#define ASC_QSC_NO_WIDE 0x08 /* Don't use Wide transfer on request. */
|
|
#define ASC_QSC_REDO_DTR 0x10 /* Renegotiate WDTR/SDTR before request. */
|
|
/*
|
|
* Note: If a Tag Message is to be sent and neither ASC_QSC_HEAD_TAG or
|
|
* ASC_QSC_ORDERED_TAG is set, then a Simple Tag Message (0x20) is used.
|
|
*/
|
|
#define ASC_QSC_HEAD_TAG 0x40 /* Use Head Tag Message (0x21). */
|
|
#define ASC_QSC_ORDERED_TAG 0x80 /* Use Ordered Tag Message (0x22). */
|
|
|
|
/*
|
|
* All fields here are accessed by the board microcode and need to be
|
|
* little-endian.
|
|
*/
|
|
typedef struct adv_carr_t {
|
|
__le32 carr_va; /* Carrier Virtual Address */
|
|
__le32 carr_pa; /* Carrier Physical Address */
|
|
__le32 areq_vpa; /* ADV_SCSI_REQ_Q Virtual or Physical Address */
|
|
/*
|
|
* next_vpa [31:4] Carrier Virtual or Physical Next Pointer
|
|
*
|
|
* next_vpa [3:1] Reserved Bits
|
|
* next_vpa [0] Done Flag set in Response Queue.
|
|
*/
|
|
__le32 next_vpa;
|
|
} ADV_CARR_T;
|
|
|
|
/*
|
|
* Mask used to eliminate low 4 bits of carrier 'next_vpa' field.
|
|
*/
|
|
#define ADV_NEXT_VPA_MASK 0xFFFFFFF0
|
|
|
|
#define ADV_RQ_DONE 0x00000001
|
|
#define ADV_RQ_GOOD 0x00000002
|
|
#define ADV_CQ_STOPPER 0x00000000
|
|
|
|
#define ADV_GET_CARRP(carrp) ((carrp) & ADV_NEXT_VPA_MASK)
|
|
|
|
/*
|
|
* Each carrier is 64 bytes, and we need three additional
|
|
* carrier for icq, irq, and the termination carrier.
|
|
*/
|
|
#define ADV_CARRIER_COUNT (ASC_DEF_MAX_HOST_QNG + 3)
|
|
|
|
#define ADV_CARRIER_BUFSIZE \
|
|
(ADV_CARRIER_COUNT * sizeof(ADV_CARR_T))
|
|
|
|
#define ADV_CHIP_ASC3550 0x01 /* Ultra-Wide IC */
|
|
#define ADV_CHIP_ASC38C0800 0x02 /* Ultra2-Wide/LVD IC */
|
|
#define ADV_CHIP_ASC38C1600 0x03 /* Ultra3-Wide/LVD2 IC */
|
|
|
|
/*
|
|
* Adapter temporary configuration structure
|
|
*
|
|
* This structure can be discarded after initialization. Don't add
|
|
* fields here needed after initialization.
|
|
*
|
|
* Field naming convention:
|
|
*
|
|
* *_enable indicates the field enables or disables a feature. The
|
|
* value of the field is never reset.
|
|
*/
|
|
typedef struct adv_dvc_cfg {
|
|
ushort disc_enable; /* enable disconnection */
|
|
uchar chip_version; /* chip version */
|
|
uchar termination; /* Term. Ctrl. bits 6-5 of SCSI_CFG1 register */
|
|
ushort control_flag; /* Microcode Control Flag */
|
|
ushort mcode_date; /* Microcode date */
|
|
ushort mcode_version; /* Microcode version */
|
|
ushort serial1; /* EEPROM serial number word 1 */
|
|
ushort serial2; /* EEPROM serial number word 2 */
|
|
ushort serial3; /* EEPROM serial number word 3 */
|
|
} ADV_DVC_CFG;
|
|
|
|
struct adv_dvc_var;
|
|
struct adv_scsi_req_q;
|
|
|
|
typedef struct adv_sg_block {
|
|
uchar reserved1;
|
|
uchar reserved2;
|
|
uchar reserved3;
|
|
uchar sg_cnt; /* Valid entries in block. */
|
|
__le32 sg_ptr; /* Pointer to next sg block. */
|
|
struct {
|
|
__le32 sg_addr; /* SG element address. */
|
|
__le32 sg_count; /* SG element count. */
|
|
} sg_list[NO_OF_SG_PER_BLOCK];
|
|
} ADV_SG_BLOCK;
|
|
|
|
/*
|
|
* ADV_SCSI_REQ_Q - microcode request structure
|
|
*
|
|
* All fields in this structure up to byte 60 are used by the microcode.
|
|
* The microcode makes assumptions about the size and ordering of fields
|
|
* in this structure. Do not change the structure definition here without
|
|
* coordinating the change with the microcode.
|
|
*
|
|
* All fields accessed by microcode must be maintained in little_endian
|
|
* order.
|
|
*/
|
|
typedef struct adv_scsi_req_q {
|
|
uchar cntl; /* Ucode flags and state (ASC_MC_QC_*). */
|
|
uchar target_cmd;
|
|
uchar target_id; /* Device target identifier. */
|
|
uchar target_lun; /* Device target logical unit number. */
|
|
__le32 data_addr; /* Data buffer physical address. */
|
|
__le32 data_cnt; /* Data count. Ucode sets to residual. */
|
|
__le32 sense_addr;
|
|
__le32 carr_pa;
|
|
uchar mflag;
|
|
uchar sense_len;
|
|
uchar cdb_len; /* SCSI CDB length. Must <= 16 bytes. */
|
|
uchar scsi_cntl;
|
|
uchar done_status; /* Completion status. */
|
|
uchar scsi_status; /* SCSI status byte. */
|
|
uchar host_status; /* Ucode host status. */
|
|
uchar sg_working_ix;
|
|
uchar cdb[12]; /* SCSI CDB bytes 0-11. */
|
|
__le32 sg_real_addr; /* SG list physical address. */
|
|
__le32 scsiq_rptr;
|
|
uchar cdb16[4]; /* SCSI CDB bytes 12-15. */
|
|
__le32 scsiq_ptr;
|
|
__le32 carr_va;
|
|
/*
|
|
* End of microcode structure - 60 bytes. The rest of the structure
|
|
* is used by the Adv Library and ignored by the microcode.
|
|
*/
|
|
u32 srb_tag;
|
|
ADV_SG_BLOCK *sg_list_ptr; /* SG list virtual address. */
|
|
} ADV_SCSI_REQ_Q;
|
|
|
|
/*
|
|
* The following two structures are used to process Wide Board requests.
|
|
*
|
|
* The ADV_SCSI_REQ_Q structure in adv_req_t is passed to the Adv Library
|
|
* and microcode with the ADV_SCSI_REQ_Q field 'srb_tag' set to the
|
|
* SCSI request tag. The adv_req_t structure 'cmndp' field in turn points
|
|
* to the Mid-Level SCSI request structure.
|
|
*
|
|
* Zero or more ADV_SG_BLOCK are used with each ADV_SCSI_REQ_Q. Each
|
|
* ADV_SG_BLOCK structure holds 15 scatter-gather elements. Under Linux
|
|
* up to 255 scatter-gather elements may be used per request or
|
|
* ADV_SCSI_REQ_Q.
|
|
*
|
|
* Both structures must be 32 byte aligned.
|
|
*/
|
|
typedef struct adv_sgblk {
|
|
ADV_SG_BLOCK sg_block; /* Sgblock structure. */
|
|
dma_addr_t sg_addr; /* Physical address */
|
|
struct adv_sgblk *next_sgblkp; /* Next scatter-gather structure. */
|
|
} adv_sgblk_t;
|
|
|
|
typedef struct adv_req {
|
|
ADV_SCSI_REQ_Q scsi_req_q; /* Adv Library request structure. */
|
|
uchar align[24]; /* Request structure padding. */
|
|
struct scsi_cmnd *cmndp; /* Mid-Level SCSI command pointer. */
|
|
dma_addr_t req_addr;
|
|
adv_sgblk_t *sgblkp; /* Adv Library scatter-gather pointer. */
|
|
} adv_req_t __aligned(32);
|
|
|
|
/*
|
|
* Adapter operation variable structure.
|
|
*
|
|
* One structure is required per host adapter.
|
|
*
|
|
* Field naming convention:
|
|
*
|
|
* *_able indicates both whether a feature should be enabled or disabled
|
|
* and whether a device isi capable of the feature. At initialization
|
|
* this field may be set, but later if a device is found to be incapable
|
|
* of the feature, the field is cleared.
|
|
*/
|
|
typedef struct adv_dvc_var {
|
|
AdvPortAddr iop_base; /* I/O port address */
|
|
ushort err_code; /* fatal error code */
|
|
ushort bios_ctrl; /* BIOS control word, EEPROM word 12 */
|
|
ushort wdtr_able; /* try WDTR for a device */
|
|
ushort sdtr_able; /* try SDTR for a device */
|
|
ushort ultra_able; /* try SDTR Ultra speed for a device */
|
|
ushort sdtr_speed1; /* EEPROM SDTR Speed for TID 0-3 */
|
|
ushort sdtr_speed2; /* EEPROM SDTR Speed for TID 4-7 */
|
|
ushort sdtr_speed3; /* EEPROM SDTR Speed for TID 8-11 */
|
|
ushort sdtr_speed4; /* EEPROM SDTR Speed for TID 12-15 */
|
|
ushort tagqng_able; /* try tagged queuing with a device */
|
|
ushort ppr_able; /* PPR message capable per TID bitmask. */
|
|
uchar max_dvc_qng; /* maximum number of tagged commands per device */
|
|
ushort start_motor; /* start motor command allowed */
|
|
uchar scsi_reset_wait; /* delay in seconds after scsi bus reset */
|
|
uchar chip_no; /* should be assigned by caller */
|
|
uchar max_host_qng; /* maximum number of Q'ed command allowed */
|
|
ushort no_scam; /* scam_tolerant of EEPROM */
|
|
struct asc_board *drv_ptr; /* driver pointer to private structure */
|
|
uchar chip_scsi_id; /* chip SCSI target ID */
|
|
uchar chip_type;
|
|
uchar bist_err_code;
|
|
ADV_CARR_T *carrier;
|
|
ADV_CARR_T *carr_freelist; /* Carrier free list. */
|
|
dma_addr_t carrier_addr;
|
|
ADV_CARR_T *icq_sp; /* Initiator command queue stopper pointer. */
|
|
ADV_CARR_T *irq_sp; /* Initiator response queue stopper pointer. */
|
|
ushort carr_pending_cnt; /* Count of pending carriers. */
|
|
/*
|
|
* Note: The following fields will not be used after initialization. The
|
|
* driver may discard the buffer after initialization is done.
|
|
*/
|
|
ADV_DVC_CFG *cfg; /* temporary configuration structure */
|
|
} ADV_DVC_VAR;
|
|
|
|
/*
|
|
* Microcode idle loop commands
|
|
*/
|
|
#define IDLE_CMD_COMPLETED 0
|
|
#define IDLE_CMD_STOP_CHIP 0x0001
|
|
#define IDLE_CMD_STOP_CHIP_SEND_INT 0x0002
|
|
#define IDLE_CMD_SEND_INT 0x0004
|
|
#define IDLE_CMD_ABORT 0x0008
|
|
#define IDLE_CMD_DEVICE_RESET 0x0010
|
|
#define IDLE_CMD_SCSI_RESET_START 0x0020 /* Assert SCSI Bus Reset */
|
|
#define IDLE_CMD_SCSI_RESET_END 0x0040 /* Deassert SCSI Bus Reset */
|
|
#define IDLE_CMD_SCSIREQ 0x0080
|
|
|
|
#define IDLE_CMD_STATUS_SUCCESS 0x0001
|
|
#define IDLE_CMD_STATUS_FAILURE 0x0002
|
|
|
|
/*
|
|
* AdvSendIdleCmd() flag definitions.
|
|
*/
|
|
#define ADV_NOWAIT 0x01
|
|
|
|
/*
|
|
* Wait loop time out values.
|
|
*/
|
|
#define SCSI_WAIT_100_MSEC 100UL /* 100 milliseconds */
|
|
#define SCSI_US_PER_MSEC 1000 /* microseconds per millisecond */
|
|
#define SCSI_MAX_RETRY 10 /* retry count */
|
|
|
|
#define ADV_ASYNC_RDMA_FAILURE 0x01 /* Fatal RDMA failure. */
|
|
#define ADV_ASYNC_SCSI_BUS_RESET_DET 0x02 /* Detected SCSI Bus Reset. */
|
|
#define ADV_ASYNC_CARRIER_READY_FAILURE 0x03 /* Carrier Ready failure. */
|
|
#define ADV_RDMA_IN_CARR_AND_Q_INVALID 0x04 /* RDMAed-in data invalid. */
|
|
|
|
#define ADV_HOST_SCSI_BUS_RESET 0x80 /* Host Initiated SCSI Bus Reset. */
|
|
|
|
/* Read byte from a register. */
|
|
#define AdvReadByteRegister(iop_base, reg_off) \
|
|
(ADV_MEM_READB((iop_base) + (reg_off)))
|
|
|
|
/* Write byte to a register. */
|
|
#define AdvWriteByteRegister(iop_base, reg_off, byte) \
|
|
(ADV_MEM_WRITEB((iop_base) + (reg_off), (byte)))
|
|
|
|
/* Read word (2 bytes) from a register. */
|
|
#define AdvReadWordRegister(iop_base, reg_off) \
|
|
(ADV_MEM_READW((iop_base) + (reg_off)))
|
|
|
|
/* Write word (2 bytes) to a register. */
|
|
#define AdvWriteWordRegister(iop_base, reg_off, word) \
|
|
(ADV_MEM_WRITEW((iop_base) + (reg_off), (word)))
|
|
|
|
/* Write dword (4 bytes) to a register. */
|
|
#define AdvWriteDWordRegister(iop_base, reg_off, dword) \
|
|
(ADV_MEM_WRITEDW((iop_base) + (reg_off), (dword)))
|
|
|
|
/* Read byte from LRAM. */
|
|
#define AdvReadByteLram(iop_base, addr, byte) \
|
|
do { \
|
|
ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)); \
|
|
(byte) = ADV_MEM_READB((iop_base) + IOPB_RAM_DATA); \
|
|
} while (0)
|
|
|
|
/* Write byte to LRAM. */
|
|
#define AdvWriteByteLram(iop_base, addr, byte) \
|
|
(ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \
|
|
ADV_MEM_WRITEB((iop_base) + IOPB_RAM_DATA, (byte)))
|
|
|
|
/* Read word (2 bytes) from LRAM. */
|
|
#define AdvReadWordLram(iop_base, addr, word) \
|
|
do { \
|
|
ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)); \
|
|
(word) = (ADV_MEM_READW((iop_base) + IOPW_RAM_DATA)); \
|
|
} while (0)
|
|
|
|
/* Write word (2 bytes) to LRAM. */
|
|
#define AdvWriteWordLram(iop_base, addr, word) \
|
|
(ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \
|
|
ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, (word)))
|
|
|
|
/* Write little-endian double word (4 bytes) to LRAM */
|
|
/* Because of unspecified C language ordering don't use auto-increment. */
|
|
#define AdvWriteDWordLramNoSwap(iop_base, addr, dword) \
|
|
((ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \
|
|
ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, \
|
|
cpu_to_le16((ushort) ((dword) & 0xFFFF)))), \
|
|
(ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr) + 2), \
|
|
ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, \
|
|
cpu_to_le16((ushort) ((dword >> 16) & 0xFFFF)))))
|
|
|
|
/* Read word (2 bytes) from LRAM assuming that the address is already set. */
|
|
#define AdvReadWordAutoIncLram(iop_base) \
|
|
(ADV_MEM_READW((iop_base) + IOPW_RAM_DATA))
|
|
|
|
/* Write word (2 bytes) to LRAM assuming that the address is already set. */
|
|
#define AdvWriteWordAutoIncLram(iop_base, word) \
|
|
(ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, (word)))
|
|
|
|
/*
|
|
* Define macro to check for Condor signature.
|
|
*
|
|
* Evaluate to ADV_TRUE if a Condor chip is found the specified port
|
|
* address 'iop_base'. Otherwise evalue to ADV_FALSE.
|
|
*/
|
|
#define AdvFindSignature(iop_base) \
|
|
(((AdvReadByteRegister((iop_base), IOPB_CHIP_ID_1) == \
|
|
ADV_CHIP_ID_BYTE) && \
|
|
(AdvReadWordRegister((iop_base), IOPW_CHIP_ID_0) == \
|
|
ADV_CHIP_ID_WORD)) ? ADV_TRUE : ADV_FALSE)
|
|
|
|
/*
|
|
* Define macro to Return the version number of the chip at 'iop_base'.
|
|
*
|
|
* The second parameter 'bus_type' is currently unused.
|
|
*/
|
|
#define AdvGetChipVersion(iop_base, bus_type) \
|
|
AdvReadByteRegister((iop_base), IOPB_CHIP_TYPE_REV)
|
|
|
|
/*
|
|
* Abort an SRB in the chip's RISC Memory. The 'srb_tag' argument must
|
|
* match the ADV_SCSI_REQ_Q 'srb_tag' field.
|
|
*
|
|
* If the request has not yet been sent to the device it will simply be
|
|
* aborted from RISC memory. If the request is disconnected it will be
|
|
* aborted on reselection by sending an Abort Message to the target ID.
|
|
*
|
|
* Return value:
|
|
* ADV_TRUE(1) - Queue was successfully aborted.
|
|
* ADV_FALSE(0) - Queue was not found on the active queue list.
|
|
*/
|
|
#define AdvAbortQueue(asc_dvc, srb_tag) \
|
|
AdvSendIdleCmd((asc_dvc), (ushort) IDLE_CMD_ABORT, \
|
|
(ADV_DCNT) (srb_tag))
|
|
|
|
/*
|
|
* Send a Bus Device Reset Message to the specified target ID.
|
|
*
|
|
* All outstanding commands will be purged if sending the
|
|
* Bus Device Reset Message is successful.
|
|
*
|
|
* Return Value:
|
|
* ADV_TRUE(1) - All requests on the target are purged.
|
|
* ADV_FALSE(0) - Couldn't issue Bus Device Reset Message; Requests
|
|
* are not purged.
|
|
*/
|
|
#define AdvResetDevice(asc_dvc, target_id) \
|
|
AdvSendIdleCmd((asc_dvc), (ushort) IDLE_CMD_DEVICE_RESET, \
|
|
(ADV_DCNT) (target_id))
|
|
|
|
/*
|
|
* SCSI Wide Type definition.
|
|
*/
|
|
#define ADV_SCSI_BIT_ID_TYPE ushort
|
|
|
|
/*
|
|
* AdvInitScsiTarget() 'cntl_flag' options.
|
|
*/
|
|
#define ADV_SCAN_LUN 0x01
|
|
#define ADV_CAPINFO_NOLUN 0x02
|
|
|
|
/*
|
|
* Convert target id to target id bit mask.
|
|
*/
|
|
#define ADV_TID_TO_TIDMASK(tid) (0x01 << ((tid) & ADV_MAX_TID))
|
|
|
|
/*
|
|
* ADV_SCSI_REQ_Q 'done_status' and 'host_status' return values.
|
|
*/
|
|
|
|
#define QD_NO_STATUS 0x00 /* Request not completed yet. */
|
|
#define QD_NO_ERROR 0x01
|
|
#define QD_ABORTED_BY_HOST 0x02
|
|
#define QD_WITH_ERROR 0x04
|
|
|
|
#define QHSTA_NO_ERROR 0x00
|
|
#define QHSTA_M_SEL_TIMEOUT 0x11
|
|
#define QHSTA_M_DATA_OVER_RUN 0x12
|
|
#define QHSTA_M_UNEXPECTED_BUS_FREE 0x13
|
|
#define QHSTA_M_QUEUE_ABORTED 0x15
|
|
#define QHSTA_M_SXFR_SDMA_ERR 0x16 /* SXFR_STATUS SCSI DMA Error */
|
|
#define QHSTA_M_SXFR_SXFR_PERR 0x17 /* SXFR_STATUS SCSI Bus Parity Error */
|
|
#define QHSTA_M_RDMA_PERR 0x18 /* RISC PCI DMA parity error */
|
|
#define QHSTA_M_SXFR_OFF_UFLW 0x19 /* SXFR_STATUS Offset Underflow */
|
|
#define QHSTA_M_SXFR_OFF_OFLW 0x20 /* SXFR_STATUS Offset Overflow */
|
|
#define QHSTA_M_SXFR_WD_TMO 0x21 /* SXFR_STATUS Watchdog Timeout */
|
|
#define QHSTA_M_SXFR_DESELECTED 0x22 /* SXFR_STATUS Deselected */
|
|
/* Note: QHSTA_M_SXFR_XFR_OFLW is identical to QHSTA_M_DATA_OVER_RUN. */
|
|
#define QHSTA_M_SXFR_XFR_OFLW 0x12 /* SXFR_STATUS Transfer Overflow */
|
|
#define QHSTA_M_SXFR_XFR_PH_ERR 0x24 /* SXFR_STATUS Transfer Phase Error */
|
|
#define QHSTA_M_SXFR_UNKNOWN_ERROR 0x25 /* SXFR_STATUS Unknown Error */
|
|
#define QHSTA_M_SCSI_BUS_RESET 0x30 /* Request aborted from SBR */
|
|
#define QHSTA_M_SCSI_BUS_RESET_UNSOL 0x31 /* Request aborted from unsol. SBR */
|
|
#define QHSTA_M_BUS_DEVICE_RESET 0x32 /* Request aborted from BDR */
|
|
#define QHSTA_M_DIRECTION_ERR 0x35 /* Data Phase mismatch */
|
|
#define QHSTA_M_DIRECTION_ERR_HUNG 0x36 /* Data Phase mismatch and bus hang */
|
|
#define QHSTA_M_WTM_TIMEOUT 0x41
|
|
#define QHSTA_M_BAD_CMPL_STATUS_IN 0x42
|
|
#define QHSTA_M_NO_AUTO_REQ_SENSE 0x43
|
|
#define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44
|
|
#define QHSTA_M_INVALID_DEVICE 0x45 /* Bad target ID */
|
|
#define QHSTA_M_FROZEN_TIDQ 0x46 /* TID Queue frozen. */
|
|
#define QHSTA_M_SGBACKUP_ERROR 0x47 /* Scatter-Gather backup error */
|
|
|
|
/* Return the address that is aligned at the next doubleword >= to 'addr'. */
|
|
#define ADV_32BALIGN(addr) (((ulong) (addr) + 0x1F) & ~0x1F)
|
|
|
|
/*
|
|
* Total contiguous memory needed for driver SG blocks.
|
|
*
|
|
* ADV_MAX_SG_LIST must be defined by a driver. It is the maximum
|
|
* number of scatter-gather elements the driver supports in a
|
|
* single request.
|
|
*/
|
|
|
|
#define ADV_SG_LIST_MAX_BYTE_SIZE \
|
|
(sizeof(ADV_SG_BLOCK) * \
|
|
((ADV_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK))
|
|
|
|
/* struct asc_board flags */
|
|
#define ASC_IS_WIDE_BOARD 0x04 /* AdvanSys Wide Board */
|
|
|
|
#define ASC_NARROW_BOARD(boardp) (((boardp)->flags & ASC_IS_WIDE_BOARD) == 0)
|
|
|
|
#define NO_ISA_DMA 0xff /* No ISA DMA Channel Used */
|
|
|
|
#define ASC_INFO_SIZE 128 /* advansys_info() line size */
|
|
|
|
/* Asc Library return codes */
|
|
#define ASC_TRUE 1
|
|
#define ASC_FALSE 0
|
|
#define ASC_NOERROR 1
|
|
#define ASC_BUSY 0
|
|
#define ASC_ERROR (-1)
|
|
|
|
/* struct scsi_cmnd function return codes */
|
|
#define STATUS_BYTE(byte) (byte)
|
|
#define MSG_BYTE(byte) ((byte) << 8)
|
|
#define HOST_BYTE(byte) ((byte) << 16)
|
|
#define DRIVER_BYTE(byte) ((byte) << 24)
|
|
|
|
#define ASC_STATS(shost, counter) ASC_STATS_ADD(shost, counter, 1)
|
|
#ifndef ADVANSYS_STATS
|
|
#define ASC_STATS_ADD(shost, counter, count)
|
|
#else /* ADVANSYS_STATS */
|
|
#define ASC_STATS_ADD(shost, counter, count) \
|
|
(((struct asc_board *) shost_priv(shost))->asc_stats.counter += (count))
|
|
#endif /* ADVANSYS_STATS */
|
|
|
|
/* If the result wraps when calculating tenths, return 0. */
|
|
#define ASC_TENTHS(num, den) \
|
|
(((10 * ((num)/(den))) > (((num) * 10)/(den))) ? \
|
|
0 : ((((num) * 10)/(den)) - (10 * ((num)/(den)))))
|
|
|
|
/*
|
|
* Display a message to the console.
|
|
*/
|
|
#define ASC_PRINT(s) \
|
|
{ \
|
|
printk("advansys: "); \
|
|
printk(s); \
|
|
}
|
|
|
|
#define ASC_PRINT1(s, a1) \
|
|
{ \
|
|
printk("advansys: "); \
|
|
printk((s), (a1)); \
|
|
}
|
|
|
|
#define ASC_PRINT2(s, a1, a2) \
|
|
{ \
|
|
printk("advansys: "); \
|
|
printk((s), (a1), (a2)); \
|
|
}
|
|
|
|
#define ASC_PRINT3(s, a1, a2, a3) \
|
|
{ \
|
|
printk("advansys: "); \
|
|
printk((s), (a1), (a2), (a3)); \
|
|
}
|
|
|
|
#define ASC_PRINT4(s, a1, a2, a3, a4) \
|
|
{ \
|
|
printk("advansys: "); \
|
|
printk((s), (a1), (a2), (a3), (a4)); \
|
|
}
|
|
|
|
#ifndef ADVANSYS_DEBUG
|
|
|
|
#define ASC_DBG(lvl, s...)
|
|
#define ASC_DBG_PRT_SCSI_HOST(lvl, s)
|
|
#define ASC_DBG_PRT_ASC_SCSI_Q(lvl, scsiqp)
|
|
#define ASC_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp)
|
|
#define ASC_DBG_PRT_ASC_QDONE_INFO(lvl, qdone)
|
|
#define ADV_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp)
|
|
#define ASC_DBG_PRT_HEX(lvl, name, start, length)
|
|
#define ASC_DBG_PRT_CDB(lvl, cdb, len)
|
|
#define ASC_DBG_PRT_SENSE(lvl, sense, len)
|
|
#define ASC_DBG_PRT_INQUIRY(lvl, inq, len)
|
|
|
|
#else /* ADVANSYS_DEBUG */
|
|
|
|
/*
|
|
* Debugging Message Levels:
|
|
* 0: Errors Only
|
|
* 1: High-Level Tracing
|
|
* 2-N: Verbose Tracing
|
|
*/
|
|
|
|
#define ASC_DBG(lvl, format, arg...) { \
|
|
if (asc_dbglvl >= (lvl)) \
|
|
printk(KERN_DEBUG "%s: %s: " format, DRV_NAME, \
|
|
__func__ , ## arg); \
|
|
}
|
|
|
|
#define ASC_DBG_PRT_SCSI_HOST(lvl, s) \
|
|
{ \
|
|
if (asc_dbglvl >= (lvl)) { \
|
|
asc_prt_scsi_host(s); \
|
|
} \
|
|
}
|
|
|
|
#define ASC_DBG_PRT_ASC_SCSI_Q(lvl, scsiqp) \
|
|
{ \
|
|
if (asc_dbglvl >= (lvl)) { \
|
|
asc_prt_asc_scsi_q(scsiqp); \
|
|
} \
|
|
}
|
|
|
|
#define ASC_DBG_PRT_ASC_QDONE_INFO(lvl, qdone) \
|
|
{ \
|
|
if (asc_dbglvl >= (lvl)) { \
|
|
asc_prt_asc_qdone_info(qdone); \
|
|
} \
|
|
}
|
|
|
|
#define ASC_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp) \
|
|
{ \
|
|
if (asc_dbglvl >= (lvl)) { \
|
|
asc_prt_adv_scsi_req_q(scsiqp); \
|
|
} \
|
|
}
|
|
|
|
#define ASC_DBG_PRT_HEX(lvl, name, start, length) \
|
|
{ \
|
|
if (asc_dbglvl >= (lvl)) { \
|
|
asc_prt_hex((name), (start), (length)); \
|
|
} \
|
|
}
|
|
|
|
#define ASC_DBG_PRT_CDB(lvl, cdb, len) \
|
|
ASC_DBG_PRT_HEX((lvl), "CDB", (uchar *) (cdb), (len));
|
|
|
|
#define ASC_DBG_PRT_SENSE(lvl, sense, len) \
|
|
ASC_DBG_PRT_HEX((lvl), "SENSE", (uchar *) (sense), (len));
|
|
|
|
#define ASC_DBG_PRT_INQUIRY(lvl, inq, len) \
|
|
ASC_DBG_PRT_HEX((lvl), "INQUIRY", (uchar *) (inq), (len));
|
|
#endif /* ADVANSYS_DEBUG */
|
|
|
|
#ifdef ADVANSYS_STATS
|
|
|
|
/* Per board statistics structure */
|
|
struct asc_stats {
|
|
/* Driver Entrypoint Statistics */
|
|
unsigned int queuecommand; /* # calls to advansys_queuecommand() */
|
|
unsigned int reset; /* # calls to advansys_eh_bus_reset() */
|
|
unsigned int biosparam; /* # calls to advansys_biosparam() */
|
|
unsigned int interrupt; /* # advansys_interrupt() calls */
|
|
unsigned int callback; /* # calls to asc/adv_isr_callback() */
|
|
unsigned int done; /* # calls to request's scsi_done function */
|
|
unsigned int build_error; /* # asc/adv_build_req() ASC_ERROR returns. */
|
|
unsigned int adv_build_noreq; /* # adv_build_req() adv_req_t alloc. fail. */
|
|
unsigned int adv_build_nosg; /* # adv_build_req() adv_sgblk_t alloc. fail. */
|
|
/* AscExeScsiQueue()/AdvExeScsiQueue() Statistics */
|
|
unsigned int exe_noerror; /* # ASC_NOERROR returns. */
|
|
unsigned int exe_busy; /* # ASC_BUSY returns. */
|
|
unsigned int exe_error; /* # ASC_ERROR returns. */
|
|
unsigned int exe_unknown; /* # unknown returns. */
|
|
/* Data Transfer Statistics */
|
|
unsigned int xfer_cnt; /* # I/O requests received */
|
|
unsigned int xfer_elem; /* # scatter-gather elements */
|
|
unsigned int xfer_sect; /* # 512-byte blocks */
|
|
};
|
|
#endif /* ADVANSYS_STATS */
|
|
|
|
/*
|
|
* Structure allocated for each board.
|
|
*
|
|
* This structure is allocated by scsi_host_alloc() at the end
|
|
* of the 'Scsi_Host' structure starting at the 'hostdata'
|
|
* field. It is guaranteed to be allocated from DMA-able memory.
|
|
*/
|
|
struct asc_board {
|
|
struct device *dev;
|
|
struct Scsi_Host *shost;
|
|
uint flags; /* Board flags */
|
|
unsigned int irq;
|
|
union {
|
|
ASC_DVC_VAR asc_dvc_var; /* Narrow board */
|
|
ADV_DVC_VAR adv_dvc_var; /* Wide board */
|
|
} dvc_var;
|
|
union {
|
|
ASC_DVC_CFG asc_dvc_cfg; /* Narrow board */
|
|
ADV_DVC_CFG adv_dvc_cfg; /* Wide board */
|
|
} dvc_cfg;
|
|
ushort asc_n_io_port; /* Number I/O ports. */
|
|
ADV_SCSI_BIT_ID_TYPE init_tidmask; /* Target init./valid mask */
|
|
ushort reqcnt[ADV_MAX_TID + 1]; /* Starvation request count */
|
|
ADV_SCSI_BIT_ID_TYPE queue_full; /* Queue full mask */
|
|
ushort queue_full_cnt[ADV_MAX_TID + 1]; /* Queue full count */
|
|
union {
|
|
ASCEEP_CONFIG asc_eep; /* Narrow EEPROM config. */
|
|
ADVEEP_3550_CONFIG adv_3550_eep; /* 3550 EEPROM config. */
|
|
ADVEEP_38C0800_CONFIG adv_38C0800_eep; /* 38C0800 EEPROM config. */
|
|
ADVEEP_38C1600_CONFIG adv_38C1600_eep; /* 38C1600 EEPROM config. */
|
|
} eep_config;
|
|
/* /proc/scsi/advansys/[0...] */
|
|
#ifdef ADVANSYS_STATS
|
|
struct asc_stats asc_stats; /* Board statistics */
|
|
#endif /* ADVANSYS_STATS */
|
|
/*
|
|
* The following fields are used only for Narrow Boards.
|
|
*/
|
|
uchar sdtr_data[ASC_MAX_TID + 1]; /* SDTR information */
|
|
/*
|
|
* The following fields are used only for Wide Boards.
|
|
*/
|
|
void __iomem *ioremap_addr; /* I/O Memory remap address. */
|
|
ushort ioport; /* I/O Port address. */
|
|
adv_req_t *adv_reqp; /* Request structures. */
|
|
dma_addr_t adv_reqp_addr;
|
|
size_t adv_reqp_size;
|
|
struct dma_pool *adv_sgblk_pool; /* Scatter-gather structures. */
|
|
ushort bios_signature; /* BIOS Signature. */
|
|
ushort bios_version; /* BIOS Version. */
|
|
ushort bios_codeseg; /* BIOS Code Segment. */
|
|
ushort bios_codelen; /* BIOS Code Segment Length. */
|
|
};
|
|
|
|
#define asc_dvc_to_board(asc_dvc) container_of(asc_dvc, struct asc_board, \
|
|
dvc_var.asc_dvc_var)
|
|
#define adv_dvc_to_board(adv_dvc) container_of(adv_dvc, struct asc_board, \
|
|
dvc_var.adv_dvc_var)
|
|
#define adv_dvc_to_pdev(adv_dvc) to_pci_dev(adv_dvc_to_board(adv_dvc)->dev)
|
|
|
|
#ifdef ADVANSYS_DEBUG
|
|
static int asc_dbglvl = 3;
|
|
|
|
/*
|
|
* asc_prt_asc_dvc_var()
|
|
*/
|
|
static void asc_prt_asc_dvc_var(ASC_DVC_VAR *h)
|
|
{
|
|
printk("ASC_DVC_VAR at addr 0x%lx\n", (ulong)h);
|
|
|
|
printk(" iop_base 0x%x, err_code 0x%x, dvc_cntl 0x%x, bug_fix_cntl "
|
|
"%d,\n", h->iop_base, h->err_code, h->dvc_cntl, h->bug_fix_cntl);
|
|
|
|
printk(" bus_type %d, init_sdtr 0x%x,\n", h->bus_type,
|
|
(unsigned)h->init_sdtr);
|
|
|
|
printk(" sdtr_done 0x%x, use_tagged_qng 0x%x, unit_not_ready 0x%x, "
|
|
"chip_no 0x%x,\n", (unsigned)h->sdtr_done,
|
|
(unsigned)h->use_tagged_qng, (unsigned)h->unit_not_ready,
|
|
(unsigned)h->chip_no);
|
|
|
|
printk(" queue_full_or_busy 0x%x, start_motor 0x%x, scsi_reset_wait "
|
|
"%u,\n", (unsigned)h->queue_full_or_busy,
|
|
(unsigned)h->start_motor, (unsigned)h->scsi_reset_wait);
|
|
|
|
printk(" is_in_int %u, max_total_qng %u, cur_total_qng %u, "
|
|
"in_critical_cnt %u,\n", (unsigned)h->is_in_int,
|
|
(unsigned)h->max_total_qng, (unsigned)h->cur_total_qng,
|
|
(unsigned)h->in_critical_cnt);
|
|
|
|
printk(" last_q_shortage %u, init_state 0x%x, no_scam 0x%x, "
|
|
"pci_fix_asyn_xfer 0x%x,\n", (unsigned)h->last_q_shortage,
|
|
(unsigned)h->init_state, (unsigned)h->no_scam,
|
|
(unsigned)h->pci_fix_asyn_xfer);
|
|
|
|
printk(" cfg 0x%lx\n", (ulong)h->cfg);
|
|
}
|
|
|
|
/*
|
|
* asc_prt_asc_dvc_cfg()
|
|
*/
|
|
static void asc_prt_asc_dvc_cfg(ASC_DVC_CFG *h)
|
|
{
|
|
printk("ASC_DVC_CFG at addr 0x%lx\n", (ulong)h);
|
|
|
|
printk(" can_tagged_qng 0x%x, cmd_qng_enabled 0x%x,\n",
|
|
h->can_tagged_qng, h->cmd_qng_enabled);
|
|
printk(" disc_enable 0x%x, sdtr_enable 0x%x,\n",
|
|
h->disc_enable, h->sdtr_enable);
|
|
|
|
printk(" chip_scsi_id %d, isa_dma_speed %d, isa_dma_channel %d, "
|
|
"chip_version %d,\n", h->chip_scsi_id, h->isa_dma_speed,
|
|
h->isa_dma_channel, h->chip_version);
|
|
|
|
printk(" mcode_date 0x%x, mcode_version %d\n",
|
|
h->mcode_date, h->mcode_version);
|
|
}
|
|
|
|
/*
|
|
* asc_prt_adv_dvc_var()
|
|
*
|
|
* Display an ADV_DVC_VAR structure.
|
|
*/
|
|
static void asc_prt_adv_dvc_var(ADV_DVC_VAR *h)
|
|
{
|
|
printk(" ADV_DVC_VAR at addr 0x%lx\n", (ulong)h);
|
|
|
|
printk(" iop_base 0x%lx, err_code 0x%x, ultra_able 0x%x\n",
|
|
(ulong)h->iop_base, h->err_code, (unsigned)h->ultra_able);
|
|
|
|
printk(" sdtr_able 0x%x, wdtr_able 0x%x\n",
|
|
(unsigned)h->sdtr_able, (unsigned)h->wdtr_able);
|
|
|
|
printk(" start_motor 0x%x, scsi_reset_wait 0x%x\n",
|
|
(unsigned)h->start_motor, (unsigned)h->scsi_reset_wait);
|
|
|
|
printk(" max_host_qng %u, max_dvc_qng %u, carr_freelist 0x%p\n",
|
|
(unsigned)h->max_host_qng, (unsigned)h->max_dvc_qng,
|
|
h->carr_freelist);
|
|
|
|
printk(" icq_sp 0x%p, irq_sp 0x%p\n", h->icq_sp, h->irq_sp);
|
|
|
|
printk(" no_scam 0x%x, tagqng_able 0x%x\n",
|
|
(unsigned)h->no_scam, (unsigned)h->tagqng_able);
|
|
|
|
printk(" chip_scsi_id 0x%x, cfg 0x%lx\n",
|
|
(unsigned)h->chip_scsi_id, (ulong)h->cfg);
|
|
}
|
|
|
|
/*
|
|
* asc_prt_adv_dvc_cfg()
|
|
*
|
|
* Display an ADV_DVC_CFG structure.
|
|
*/
|
|
static void asc_prt_adv_dvc_cfg(ADV_DVC_CFG *h)
|
|
{
|
|
printk(" ADV_DVC_CFG at addr 0x%lx\n", (ulong)h);
|
|
|
|
printk(" disc_enable 0x%x, termination 0x%x\n",
|
|
h->disc_enable, h->termination);
|
|
|
|
printk(" chip_version 0x%x, mcode_date 0x%x\n",
|
|
h->chip_version, h->mcode_date);
|
|
|
|
printk(" mcode_version 0x%x, control_flag 0x%x\n",
|
|
h->mcode_version, h->control_flag);
|
|
}
|
|
|
|
/*
|
|
* asc_prt_scsi_host()
|
|
*/
|
|
static void asc_prt_scsi_host(struct Scsi_Host *s)
|
|
{
|
|
struct asc_board *boardp = shost_priv(s);
|
|
|
|
printk("Scsi_Host at addr 0x%p, device %s\n", s, dev_name(boardp->dev));
|
|
printk(" host_busy %d, host_no %d,\n",
|
|
scsi_host_busy(s), s->host_no);
|
|
|
|
printk(" base 0x%lx, io_port 0x%lx, irq %d,\n",
|
|
(ulong)s->base, (ulong)s->io_port, boardp->irq);
|
|
|
|
printk(" dma_channel %d, this_id %d, can_queue %d,\n",
|
|
s->dma_channel, s->this_id, s->can_queue);
|
|
|
|
printk(" cmd_per_lun %d, sg_tablesize %d, unchecked_isa_dma %d\n",
|
|
s->cmd_per_lun, s->sg_tablesize, s->unchecked_isa_dma);
|
|
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
asc_prt_asc_dvc_var(&boardp->dvc_var.asc_dvc_var);
|
|
asc_prt_asc_dvc_cfg(&boardp->dvc_cfg.asc_dvc_cfg);
|
|
} else {
|
|
asc_prt_adv_dvc_var(&boardp->dvc_var.adv_dvc_var);
|
|
asc_prt_adv_dvc_cfg(&boardp->dvc_cfg.adv_dvc_cfg);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* asc_prt_hex()
|
|
*
|
|
* Print hexadecimal output in 4 byte groupings 32 bytes
|
|
* or 8 double-words per line.
|
|
*/
|
|
static void asc_prt_hex(char *f, uchar *s, int l)
|
|
{
|
|
int i;
|
|
int j;
|
|
int k;
|
|
int m;
|
|
|
|
printk("%s: (%d bytes)\n", f, l);
|
|
|
|
for (i = 0; i < l; i += 32) {
|
|
|
|
/* Display a maximum of 8 double-words per line. */
|
|
if ((k = (l - i) / 4) >= 8) {
|
|
k = 8;
|
|
m = 0;
|
|
} else {
|
|
m = (l - i) % 4;
|
|
}
|
|
|
|
for (j = 0; j < k; j++) {
|
|
printk(" %2.2X%2.2X%2.2X%2.2X",
|
|
(unsigned)s[i + (j * 4)],
|
|
(unsigned)s[i + (j * 4) + 1],
|
|
(unsigned)s[i + (j * 4) + 2],
|
|
(unsigned)s[i + (j * 4) + 3]);
|
|
}
|
|
|
|
switch (m) {
|
|
case 0:
|
|
default:
|
|
break;
|
|
case 1:
|
|
printk(" %2.2X", (unsigned)s[i + (j * 4)]);
|
|
break;
|
|
case 2:
|
|
printk(" %2.2X%2.2X",
|
|
(unsigned)s[i + (j * 4)],
|
|
(unsigned)s[i + (j * 4) + 1]);
|
|
break;
|
|
case 3:
|
|
printk(" %2.2X%2.2X%2.2X",
|
|
(unsigned)s[i + (j * 4) + 1],
|
|
(unsigned)s[i + (j * 4) + 2],
|
|
(unsigned)s[i + (j * 4) + 3]);
|
|
break;
|
|
}
|
|
|
|
printk("\n");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* asc_prt_asc_scsi_q()
|
|
*/
|
|
static void asc_prt_asc_scsi_q(ASC_SCSI_Q *q)
|
|
{
|
|
ASC_SG_HEAD *sgp;
|
|
int i;
|
|
|
|
printk("ASC_SCSI_Q at addr 0x%lx\n", (ulong)q);
|
|
|
|
printk
|
|
(" target_ix 0x%x, target_lun %u, srb_tag 0x%x, tag_code 0x%x,\n",
|
|
q->q2.target_ix, q->q1.target_lun, q->q2.srb_tag,
|
|
q->q2.tag_code);
|
|
|
|
printk
|
|
(" data_addr 0x%lx, data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
|
|
(ulong)le32_to_cpu(q->q1.data_addr),
|
|
(ulong)le32_to_cpu(q->q1.data_cnt),
|
|
(ulong)le32_to_cpu(q->q1.sense_addr), q->q1.sense_len);
|
|
|
|
printk(" cdbptr 0x%lx, cdb_len %u, sg_head 0x%lx, sg_queue_cnt %u\n",
|
|
(ulong)q->cdbptr, q->q2.cdb_len,
|
|
(ulong)q->sg_head, q->q1.sg_queue_cnt);
|
|
|
|
if (q->sg_head) {
|
|
sgp = q->sg_head;
|
|
printk("ASC_SG_HEAD at addr 0x%lx\n", (ulong)sgp);
|
|
printk(" entry_cnt %u, queue_cnt %u\n", sgp->entry_cnt,
|
|
sgp->queue_cnt);
|
|
for (i = 0; i < sgp->entry_cnt; i++) {
|
|
printk(" [%u]: addr 0x%lx, bytes %lu\n",
|
|
i, (ulong)le32_to_cpu(sgp->sg_list[i].addr),
|
|
(ulong)le32_to_cpu(sgp->sg_list[i].bytes));
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
/*
|
|
* asc_prt_asc_qdone_info()
|
|
*/
|
|
static void asc_prt_asc_qdone_info(ASC_QDONE_INFO *q)
|
|
{
|
|
printk("ASC_QDONE_INFO at addr 0x%lx\n", (ulong)q);
|
|
printk(" srb_tag 0x%x, target_ix %u, cdb_len %u, tag_code %u,\n",
|
|
q->d2.srb_tag, q->d2.target_ix, q->d2.cdb_len,
|
|
q->d2.tag_code);
|
|
printk
|
|
(" done_stat 0x%x, host_stat 0x%x, scsi_stat 0x%x, scsi_msg 0x%x\n",
|
|
q->d3.done_stat, q->d3.host_stat, q->d3.scsi_stat, q->d3.scsi_msg);
|
|
}
|
|
|
|
/*
|
|
* asc_prt_adv_sgblock()
|
|
*
|
|
* Display an ADV_SG_BLOCK structure.
|
|
*/
|
|
static void asc_prt_adv_sgblock(int sgblockno, ADV_SG_BLOCK *b)
|
|
{
|
|
int i;
|
|
|
|
printk(" ADV_SG_BLOCK at addr 0x%lx (sgblockno %d)\n",
|
|
(ulong)b, sgblockno);
|
|
printk(" sg_cnt %u, sg_ptr 0x%x\n",
|
|
b->sg_cnt, (u32)le32_to_cpu(b->sg_ptr));
|
|
BUG_ON(b->sg_cnt > NO_OF_SG_PER_BLOCK);
|
|
if (b->sg_ptr != 0)
|
|
BUG_ON(b->sg_cnt != NO_OF_SG_PER_BLOCK);
|
|
for (i = 0; i < b->sg_cnt; i++) {
|
|
printk(" [%u]: sg_addr 0x%x, sg_count 0x%x\n",
|
|
i, (u32)le32_to_cpu(b->sg_list[i].sg_addr),
|
|
(u32)le32_to_cpu(b->sg_list[i].sg_count));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* asc_prt_adv_scsi_req_q()
|
|
*
|
|
* Display an ADV_SCSI_REQ_Q structure.
|
|
*/
|
|
static void asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *q)
|
|
{
|
|
int sg_blk_cnt;
|
|
struct adv_sg_block *sg_ptr;
|
|
adv_sgblk_t *sgblkp;
|
|
|
|
printk("ADV_SCSI_REQ_Q at addr 0x%lx\n", (ulong)q);
|
|
|
|
printk(" target_id %u, target_lun %u, srb_tag 0x%x\n",
|
|
q->target_id, q->target_lun, q->srb_tag);
|
|
|
|
printk(" cntl 0x%x, data_addr 0x%lx\n",
|
|
q->cntl, (ulong)le32_to_cpu(q->data_addr));
|
|
|
|
printk(" data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
|
|
(ulong)le32_to_cpu(q->data_cnt),
|
|
(ulong)le32_to_cpu(q->sense_addr), q->sense_len);
|
|
|
|
printk
|
|
(" cdb_len %u, done_status 0x%x, host_status 0x%x, scsi_status 0x%x\n",
|
|
q->cdb_len, q->done_status, q->host_status, q->scsi_status);
|
|
|
|
printk(" sg_working_ix 0x%x, target_cmd %u\n",
|
|
q->sg_working_ix, q->target_cmd);
|
|
|
|
printk(" scsiq_rptr 0x%lx, sg_real_addr 0x%lx, sg_list_ptr 0x%lx\n",
|
|
(ulong)le32_to_cpu(q->scsiq_rptr),
|
|
(ulong)le32_to_cpu(q->sg_real_addr), (ulong)q->sg_list_ptr);
|
|
|
|
/* Display the request's ADV_SG_BLOCK structures. */
|
|
if (q->sg_list_ptr != NULL) {
|
|
sgblkp = container_of(q->sg_list_ptr, adv_sgblk_t, sg_block);
|
|
sg_blk_cnt = 0;
|
|
while (sgblkp) {
|
|
sg_ptr = &sgblkp->sg_block;
|
|
asc_prt_adv_sgblock(sg_blk_cnt, sg_ptr);
|
|
if (sg_ptr->sg_ptr == 0) {
|
|
break;
|
|
}
|
|
sgblkp = sgblkp->next_sgblkp;
|
|
sg_blk_cnt++;
|
|
}
|
|
}
|
|
}
|
|
#endif /* ADVANSYS_DEBUG */
|
|
|
|
/*
|
|
* advansys_info()
|
|
*
|
|
* Return suitable for printing on the console with the argument
|
|
* adapter's configuration information.
|
|
*
|
|
* Note: The information line should not exceed ASC_INFO_SIZE bytes,
|
|
* otherwise the static 'info' array will be overrun.
|
|
*/
|
|
static const char *advansys_info(struct Scsi_Host *shost)
|
|
{
|
|
static char info[ASC_INFO_SIZE];
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
ASC_DVC_VAR *asc_dvc_varp;
|
|
ADV_DVC_VAR *adv_dvc_varp;
|
|
char *busname;
|
|
char *widename = NULL;
|
|
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
|
|
ASC_DBG(1, "begin\n");
|
|
if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
|
|
if ((asc_dvc_varp->bus_type & ASC_IS_ISAPNP) ==
|
|
ASC_IS_ISAPNP) {
|
|
busname = "ISA PnP";
|
|
} else {
|
|
busname = "ISA";
|
|
}
|
|
sprintf(info,
|
|
"AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X, DMA 0x%X",
|
|
ASC_VERSION, busname,
|
|
(ulong)shost->io_port,
|
|
(ulong)shost->io_port + ASC_IOADR_GAP - 1,
|
|
boardp->irq, shost->dma_channel);
|
|
} else {
|
|
if (asc_dvc_varp->bus_type & ASC_IS_VL) {
|
|
busname = "VL";
|
|
} else if (asc_dvc_varp->bus_type & ASC_IS_EISA) {
|
|
busname = "EISA";
|
|
} else if (asc_dvc_varp->bus_type & ASC_IS_PCI) {
|
|
if ((asc_dvc_varp->bus_type & ASC_IS_PCI_ULTRA)
|
|
== ASC_IS_PCI_ULTRA) {
|
|
busname = "PCI Ultra";
|
|
} else {
|
|
busname = "PCI";
|
|
}
|
|
} else {
|
|
busname = "?";
|
|
shost_printk(KERN_ERR, shost, "unknown bus "
|
|
"type %d\n", asc_dvc_varp->bus_type);
|
|
}
|
|
sprintf(info,
|
|
"AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X",
|
|
ASC_VERSION, busname, (ulong)shost->io_port,
|
|
(ulong)shost->io_port + ASC_IOADR_GAP - 1,
|
|
boardp->irq);
|
|
}
|
|
} else {
|
|
/*
|
|
* Wide Adapter Information
|
|
*
|
|
* Memory-mapped I/O is used instead of I/O space to access
|
|
* the adapter, but display the I/O Port range. The Memory
|
|
* I/O address is displayed through the driver /proc file.
|
|
*/
|
|
adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
|
|
widename = "Ultra-Wide";
|
|
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
|
|
widename = "Ultra2-Wide";
|
|
} else {
|
|
widename = "Ultra3-Wide";
|
|
}
|
|
sprintf(info,
|
|
"AdvanSys SCSI %s: PCI %s: PCIMEM 0x%lX-0x%lX, IRQ 0x%X",
|
|
ASC_VERSION, widename, (ulong)adv_dvc_varp->iop_base,
|
|
(ulong)adv_dvc_varp->iop_base + boardp->asc_n_io_port - 1, boardp->irq);
|
|
}
|
|
BUG_ON(strlen(info) >= ASC_INFO_SIZE);
|
|
ASC_DBG(1, "end\n");
|
|
return info;
|
|
}
|
|
|
|
#ifdef CONFIG_PROC_FS
|
|
|
|
/*
|
|
* asc_prt_board_devices()
|
|
*
|
|
* Print driver information for devices attached to the board.
|
|
*/
|
|
static void asc_prt_board_devices(struct seq_file *m, struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
int chip_scsi_id;
|
|
int i;
|
|
|
|
seq_printf(m,
|
|
"\nDevice Information for AdvanSys SCSI Host %d:\n",
|
|
shost->host_no);
|
|
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id;
|
|
} else {
|
|
chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id;
|
|
}
|
|
|
|
seq_puts(m, "Target IDs Detected:");
|
|
for (i = 0; i <= ADV_MAX_TID; i++) {
|
|
if (boardp->init_tidmask & ADV_TID_TO_TIDMASK(i))
|
|
seq_printf(m, " %X,", i);
|
|
}
|
|
seq_printf(m, " (%X=Host Adapter)\n", chip_scsi_id);
|
|
}
|
|
|
|
/*
|
|
* Display Wide Board BIOS Information.
|
|
*/
|
|
static void asc_prt_adv_bios(struct seq_file *m, struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
ushort major, minor, letter;
|
|
|
|
seq_puts(m, "\nROM BIOS Version: ");
|
|
|
|
/*
|
|
* If the BIOS saved a valid signature, then fill in
|
|
* the BIOS code segment base address.
|
|
*/
|
|
if (boardp->bios_signature != 0x55AA) {
|
|
seq_puts(m, "Disabled or Pre-3.1\n"
|
|
"BIOS either disabled or Pre-3.1. If it is pre-3.1, then a newer version\n"
|
|
"can be found at the ConnectCom FTP site: ftp://ftp.connectcom.net/pub\n");
|
|
} else {
|
|
major = (boardp->bios_version >> 12) & 0xF;
|
|
minor = (boardp->bios_version >> 8) & 0xF;
|
|
letter = (boardp->bios_version & 0xFF);
|
|
|
|
seq_printf(m, "%d.%d%c\n",
|
|
major, minor,
|
|
letter >= 26 ? '?' : letter + 'A');
|
|
/*
|
|
* Current available ROM BIOS release is 3.1I for UW
|
|
* and 3.2I for U2W. This code doesn't differentiate
|
|
* UW and U2W boards.
|
|
*/
|
|
if (major < 3 || (major <= 3 && minor < 1) ||
|
|
(major <= 3 && minor <= 1 && letter < ('I' - 'A'))) {
|
|
seq_puts(m, "Newer version of ROM BIOS is available at the ConnectCom FTP site:\n"
|
|
"ftp://ftp.connectcom.net/pub\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Add serial number to information bar if signature AAh
|
|
* is found in at bit 15-9 (7 bits) of word 1.
|
|
*
|
|
* Serial Number consists fo 12 alpha-numeric digits.
|
|
*
|
|
* 1 - Product type (A,B,C,D..) Word0: 15-13 (3 bits)
|
|
* 2 - MFG Location (A,B,C,D..) Word0: 12-10 (3 bits)
|
|
* 3-4 - Product ID (0-99) Word0: 9-0 (10 bits)
|
|
* 5 - Product revision (A-J) Word0: " "
|
|
*
|
|
* Signature Word1: 15-9 (7 bits)
|
|
* 6 - Year (0-9) Word1: 8-6 (3 bits) & Word2: 15 (1 bit)
|
|
* 7-8 - Week of the year (1-52) Word1: 5-0 (6 bits)
|
|
*
|
|
* 9-12 - Serial Number (A001-Z999) Word2: 14-0 (15 bits)
|
|
*
|
|
* Note 1: Only production cards will have a serial number.
|
|
*
|
|
* Note 2: Signature is most significant 7 bits (0xFE).
|
|
*
|
|
* Returns ASC_TRUE if serial number found, otherwise returns ASC_FALSE.
|
|
*/
|
|
static int asc_get_eeprom_string(ushort *serialnum, uchar *cp)
|
|
{
|
|
ushort w, num;
|
|
|
|
if ((serialnum[1] & 0xFE00) != ((ushort)0xAA << 8)) {
|
|
return ASC_FALSE;
|
|
} else {
|
|
/*
|
|
* First word - 6 digits.
|
|
*/
|
|
w = serialnum[0];
|
|
|
|
/* Product type - 1st digit. */
|
|
if ((*cp = 'A' + ((w & 0xE000) >> 13)) == 'H') {
|
|
/* Product type is P=Prototype */
|
|
*cp += 0x8;
|
|
}
|
|
cp++;
|
|
|
|
/* Manufacturing location - 2nd digit. */
|
|
*cp++ = 'A' + ((w & 0x1C00) >> 10);
|
|
|
|
/* Product ID - 3rd, 4th digits. */
|
|
num = w & 0x3FF;
|
|
*cp++ = '0' + (num / 100);
|
|
num %= 100;
|
|
*cp++ = '0' + (num / 10);
|
|
|
|
/* Product revision - 5th digit. */
|
|
*cp++ = 'A' + (num % 10);
|
|
|
|
/*
|
|
* Second word
|
|
*/
|
|
w = serialnum[1];
|
|
|
|
/*
|
|
* Year - 6th digit.
|
|
*
|
|
* If bit 15 of third word is set, then the
|
|
* last digit of the year is greater than 7.
|
|
*/
|
|
if (serialnum[2] & 0x8000) {
|
|
*cp++ = '8' + ((w & 0x1C0) >> 6);
|
|
} else {
|
|
*cp++ = '0' + ((w & 0x1C0) >> 6);
|
|
}
|
|
|
|
/* Week of year - 7th, 8th digits. */
|
|
num = w & 0x003F;
|
|
*cp++ = '0' + num / 10;
|
|
num %= 10;
|
|
*cp++ = '0' + num;
|
|
|
|
/*
|
|
* Third word
|
|
*/
|
|
w = serialnum[2] & 0x7FFF;
|
|
|
|
/* Serial number - 9th digit. */
|
|
*cp++ = 'A' + (w / 1000);
|
|
|
|
/* 10th, 11th, 12th digits. */
|
|
num = w % 1000;
|
|
*cp++ = '0' + num / 100;
|
|
num %= 100;
|
|
*cp++ = '0' + num / 10;
|
|
num %= 10;
|
|
*cp++ = '0' + num;
|
|
|
|
*cp = '\0'; /* Null Terminate the string. */
|
|
return ASC_TRUE;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* asc_prt_asc_board_eeprom()
|
|
*
|
|
* Print board EEPROM configuration.
|
|
*/
|
|
static void asc_prt_asc_board_eeprom(struct seq_file *m, struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
ASC_DVC_VAR *asc_dvc_varp;
|
|
ASCEEP_CONFIG *ep;
|
|
int i;
|
|
#ifdef CONFIG_ISA
|
|
int isa_dma_speed[] = { 10, 8, 7, 6, 5, 4, 3, 2 };
|
|
#endif /* CONFIG_ISA */
|
|
uchar serialstr[13];
|
|
|
|
asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
|
|
ep = &boardp->eep_config.asc_eep;
|
|
|
|
seq_printf(m,
|
|
"\nEEPROM Settings for AdvanSys SCSI Host %d:\n",
|
|
shost->host_no);
|
|
|
|
if (asc_get_eeprom_string((ushort *)&ep->adapter_info[0], serialstr)
|
|
== ASC_TRUE)
|
|
seq_printf(m, " Serial Number: %s\n", serialstr);
|
|
else if (ep->adapter_info[5] == 0xBB)
|
|
seq_puts(m,
|
|
" Default Settings Used for EEPROM-less Adapter.\n");
|
|
else
|
|
seq_puts(m, " Serial Number Signature Not Present.\n");
|
|
|
|
seq_printf(m,
|
|
" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
|
|
ASC_EEP_GET_CHIP_ID(ep), ep->max_total_qng,
|
|
ep->max_tag_qng);
|
|
|
|
seq_printf(m,
|
|
" cntl 0x%x, no_scam 0x%x\n", ep->cntl, ep->no_scam);
|
|
|
|
seq_puts(m, " Target ID: ");
|
|
for (i = 0; i <= ASC_MAX_TID; i++)
|
|
seq_printf(m, " %d", i);
|
|
|
|
seq_puts(m, "\n Disconnects: ");
|
|
for (i = 0; i <= ASC_MAX_TID; i++)
|
|
seq_printf(m, " %c",
|
|
(ep->disc_enable & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
|
|
seq_puts(m, "\n Command Queuing: ");
|
|
for (i = 0; i <= ASC_MAX_TID; i++)
|
|
seq_printf(m, " %c",
|
|
(ep->use_cmd_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
|
|
seq_puts(m, "\n Start Motor: ");
|
|
for (i = 0; i <= ASC_MAX_TID; i++)
|
|
seq_printf(m, " %c",
|
|
(ep->start_motor & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
|
|
seq_puts(m, "\n Synchronous Transfer:");
|
|
for (i = 0; i <= ASC_MAX_TID; i++)
|
|
seq_printf(m, " %c",
|
|
(ep->init_sdtr & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
seq_putc(m, '\n');
|
|
|
|
#ifdef CONFIG_ISA
|
|
if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
|
|
seq_printf(m,
|
|
" Host ISA DMA speed: %d MB/S\n",
|
|
isa_dma_speed[ASC_EEP_GET_DMA_SPD(ep)]);
|
|
}
|
|
#endif /* CONFIG_ISA */
|
|
}
|
|
|
|
/*
|
|
* asc_prt_adv_board_eeprom()
|
|
*
|
|
* Print board EEPROM configuration.
|
|
*/
|
|
static void asc_prt_adv_board_eeprom(struct seq_file *m, struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
ADV_DVC_VAR *adv_dvc_varp;
|
|
int i;
|
|
char *termstr;
|
|
uchar serialstr[13];
|
|
ADVEEP_3550_CONFIG *ep_3550 = NULL;
|
|
ADVEEP_38C0800_CONFIG *ep_38C0800 = NULL;
|
|
ADVEEP_38C1600_CONFIG *ep_38C1600 = NULL;
|
|
ushort word;
|
|
ushort *wordp;
|
|
ushort sdtr_speed = 0;
|
|
|
|
adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
|
|
ep_3550 = &boardp->eep_config.adv_3550_eep;
|
|
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
|
|
ep_38C0800 = &boardp->eep_config.adv_38C0800_eep;
|
|
} else {
|
|
ep_38C1600 = &boardp->eep_config.adv_38C1600_eep;
|
|
}
|
|
|
|
seq_printf(m,
|
|
"\nEEPROM Settings for AdvanSys SCSI Host %d:\n",
|
|
shost->host_no);
|
|
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
|
|
wordp = &ep_3550->serial_number_word1;
|
|
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
|
|
wordp = &ep_38C0800->serial_number_word1;
|
|
} else {
|
|
wordp = &ep_38C1600->serial_number_word1;
|
|
}
|
|
|
|
if (asc_get_eeprom_string(wordp, serialstr) == ASC_TRUE)
|
|
seq_printf(m, " Serial Number: %s\n", serialstr);
|
|
else
|
|
seq_puts(m, " Serial Number Signature Not Present.\n");
|
|
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550)
|
|
seq_printf(m,
|
|
" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
|
|
ep_3550->adapter_scsi_id,
|
|
ep_3550->max_host_qng, ep_3550->max_dvc_qng);
|
|
else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800)
|
|
seq_printf(m,
|
|
" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
|
|
ep_38C0800->adapter_scsi_id,
|
|
ep_38C0800->max_host_qng,
|
|
ep_38C0800->max_dvc_qng);
|
|
else
|
|
seq_printf(m,
|
|
" Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
|
|
ep_38C1600->adapter_scsi_id,
|
|
ep_38C1600->max_host_qng,
|
|
ep_38C1600->max_dvc_qng);
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
|
|
word = ep_3550->termination;
|
|
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
|
|
word = ep_38C0800->termination_lvd;
|
|
} else {
|
|
word = ep_38C1600->termination_lvd;
|
|
}
|
|
switch (word) {
|
|
case 1:
|
|
termstr = "Low Off/High Off";
|
|
break;
|
|
case 2:
|
|
termstr = "Low Off/High On";
|
|
break;
|
|
case 3:
|
|
termstr = "Low On/High On";
|
|
break;
|
|
default:
|
|
case 0:
|
|
termstr = "Automatic";
|
|
break;
|
|
}
|
|
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550)
|
|
seq_printf(m,
|
|
" termination: %u (%s), bios_ctrl: 0x%x\n",
|
|
ep_3550->termination, termstr,
|
|
ep_3550->bios_ctrl);
|
|
else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800)
|
|
seq_printf(m,
|
|
" termination: %u (%s), bios_ctrl: 0x%x\n",
|
|
ep_38C0800->termination_lvd, termstr,
|
|
ep_38C0800->bios_ctrl);
|
|
else
|
|
seq_printf(m,
|
|
" termination: %u (%s), bios_ctrl: 0x%x\n",
|
|
ep_38C1600->termination_lvd, termstr,
|
|
ep_38C1600->bios_ctrl);
|
|
|
|
seq_puts(m, " Target ID: ");
|
|
for (i = 0; i <= ADV_MAX_TID; i++)
|
|
seq_printf(m, " %X", i);
|
|
seq_putc(m, '\n');
|
|
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
|
|
word = ep_3550->disc_enable;
|
|
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
|
|
word = ep_38C0800->disc_enable;
|
|
} else {
|
|
word = ep_38C1600->disc_enable;
|
|
}
|
|
seq_puts(m, " Disconnects: ");
|
|
for (i = 0; i <= ADV_MAX_TID; i++)
|
|
seq_printf(m, " %c",
|
|
(word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
seq_putc(m, '\n');
|
|
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
|
|
word = ep_3550->tagqng_able;
|
|
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
|
|
word = ep_38C0800->tagqng_able;
|
|
} else {
|
|
word = ep_38C1600->tagqng_able;
|
|
}
|
|
seq_puts(m, " Command Queuing: ");
|
|
for (i = 0; i <= ADV_MAX_TID; i++)
|
|
seq_printf(m, " %c",
|
|
(word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
seq_putc(m, '\n');
|
|
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
|
|
word = ep_3550->start_motor;
|
|
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
|
|
word = ep_38C0800->start_motor;
|
|
} else {
|
|
word = ep_38C1600->start_motor;
|
|
}
|
|
seq_puts(m, " Start Motor: ");
|
|
for (i = 0; i <= ADV_MAX_TID; i++)
|
|
seq_printf(m, " %c",
|
|
(word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
seq_putc(m, '\n');
|
|
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
|
|
seq_puts(m, " Synchronous Transfer:");
|
|
for (i = 0; i <= ADV_MAX_TID; i++)
|
|
seq_printf(m, " %c",
|
|
(ep_3550->sdtr_able & ADV_TID_TO_TIDMASK(i)) ?
|
|
'Y' : 'N');
|
|
seq_putc(m, '\n');
|
|
}
|
|
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
|
|
seq_puts(m, " Ultra Transfer: ");
|
|
for (i = 0; i <= ADV_MAX_TID; i++)
|
|
seq_printf(m, " %c",
|
|
(ep_3550->ultra_able & ADV_TID_TO_TIDMASK(i))
|
|
? 'Y' : 'N');
|
|
seq_putc(m, '\n');
|
|
}
|
|
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
|
|
word = ep_3550->wdtr_able;
|
|
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
|
|
word = ep_38C0800->wdtr_able;
|
|
} else {
|
|
word = ep_38C1600->wdtr_able;
|
|
}
|
|
seq_puts(m, " Wide Transfer: ");
|
|
for (i = 0; i <= ADV_MAX_TID; i++)
|
|
seq_printf(m, " %c",
|
|
(word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
seq_putc(m, '\n');
|
|
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800 ||
|
|
adv_dvc_varp->chip_type == ADV_CHIP_ASC38C1600) {
|
|
seq_puts(m, " Synchronous Transfer Speed (Mhz):\n ");
|
|
for (i = 0; i <= ADV_MAX_TID; i++) {
|
|
char *speed_str;
|
|
|
|
if (i == 0) {
|
|
sdtr_speed = adv_dvc_varp->sdtr_speed1;
|
|
} else if (i == 4) {
|
|
sdtr_speed = adv_dvc_varp->sdtr_speed2;
|
|
} else if (i == 8) {
|
|
sdtr_speed = adv_dvc_varp->sdtr_speed3;
|
|
} else if (i == 12) {
|
|
sdtr_speed = adv_dvc_varp->sdtr_speed4;
|
|
}
|
|
switch (sdtr_speed & ADV_MAX_TID) {
|
|
case 0:
|
|
speed_str = "Off";
|
|
break;
|
|
case 1:
|
|
speed_str = " 5";
|
|
break;
|
|
case 2:
|
|
speed_str = " 10";
|
|
break;
|
|
case 3:
|
|
speed_str = " 20";
|
|
break;
|
|
case 4:
|
|
speed_str = " 40";
|
|
break;
|
|
case 5:
|
|
speed_str = " 80";
|
|
break;
|
|
default:
|
|
speed_str = "Unk";
|
|
break;
|
|
}
|
|
seq_printf(m, "%X:%s ", i, speed_str);
|
|
if (i == 7)
|
|
seq_puts(m, "\n ");
|
|
sdtr_speed >>= 4;
|
|
}
|
|
seq_putc(m, '\n');
|
|
}
|
|
}
|
|
|
|
/*
|
|
* asc_prt_driver_conf()
|
|
*/
|
|
static void asc_prt_driver_conf(struct seq_file *m, struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
int chip_scsi_id;
|
|
|
|
seq_printf(m,
|
|
"\nLinux Driver Configuration and Information for AdvanSys SCSI Host %d:\n",
|
|
shost->host_no);
|
|
|
|
seq_printf(m,
|
|
" host_busy %d, max_id %u, max_lun %llu, max_channel %u\n",
|
|
scsi_host_busy(shost), shost->max_id,
|
|
shost->max_lun, shost->max_channel);
|
|
|
|
seq_printf(m,
|
|
" unique_id %d, can_queue %d, this_id %d, sg_tablesize %u, cmd_per_lun %u\n",
|
|
shost->unique_id, shost->can_queue, shost->this_id,
|
|
shost->sg_tablesize, shost->cmd_per_lun);
|
|
|
|
seq_printf(m,
|
|
" unchecked_isa_dma %d, use_clustering %d\n",
|
|
shost->unchecked_isa_dma, shost->use_clustering);
|
|
|
|
seq_printf(m,
|
|
" flags 0x%x, last_reset 0x%lx, jiffies 0x%lx, asc_n_io_port 0x%x\n",
|
|
boardp->flags, shost->last_reset, jiffies,
|
|
boardp->asc_n_io_port);
|
|
|
|
seq_printf(m, " io_port 0x%lx\n", shost->io_port);
|
|
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id;
|
|
} else {
|
|
chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* asc_prt_asc_board_info()
|
|
*
|
|
* Print dynamic board configuration information.
|
|
*/
|
|
static void asc_prt_asc_board_info(struct seq_file *m, struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
int chip_scsi_id;
|
|
ASC_DVC_VAR *v;
|
|
ASC_DVC_CFG *c;
|
|
int i;
|
|
int renegotiate = 0;
|
|
|
|
v = &boardp->dvc_var.asc_dvc_var;
|
|
c = &boardp->dvc_cfg.asc_dvc_cfg;
|
|
chip_scsi_id = c->chip_scsi_id;
|
|
|
|
seq_printf(m,
|
|
"\nAsc Library Configuration and Statistics for AdvanSys SCSI Host %d:\n",
|
|
shost->host_no);
|
|
|
|
seq_printf(m, " chip_version %u, mcode_date 0x%x, "
|
|
"mcode_version 0x%x, err_code %u\n",
|
|
c->chip_version, c->mcode_date, c->mcode_version,
|
|
v->err_code);
|
|
|
|
/* Current number of commands waiting for the host. */
|
|
seq_printf(m,
|
|
" Total Command Pending: %d\n", v->cur_total_qng);
|
|
|
|
seq_puts(m, " Command Queuing:");
|
|
for (i = 0; i <= ASC_MAX_TID; i++) {
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
seq_printf(m, " %X:%c",
|
|
i,
|
|
(v->use_tagged_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
}
|
|
|
|
/* Current number of commands waiting for a device. */
|
|
seq_puts(m, "\n Command Queue Pending:");
|
|
for (i = 0; i <= ASC_MAX_TID; i++) {
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
seq_printf(m, " %X:%u", i, v->cur_dvc_qng[i]);
|
|
}
|
|
|
|
/* Current limit on number of commands that can be sent to a device. */
|
|
seq_puts(m, "\n Command Queue Limit:");
|
|
for (i = 0; i <= ASC_MAX_TID; i++) {
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
seq_printf(m, " %X:%u", i, v->max_dvc_qng[i]);
|
|
}
|
|
|
|
/* Indicate whether the device has returned queue full status. */
|
|
seq_puts(m, "\n Command Queue Full:");
|
|
for (i = 0; i <= ASC_MAX_TID; i++) {
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
if (boardp->queue_full & ADV_TID_TO_TIDMASK(i))
|
|
seq_printf(m, " %X:Y-%d",
|
|
i, boardp->queue_full_cnt[i]);
|
|
else
|
|
seq_printf(m, " %X:N", i);
|
|
}
|
|
|
|
seq_puts(m, "\n Synchronous Transfer:");
|
|
for (i = 0; i <= ASC_MAX_TID; i++) {
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
seq_printf(m, " %X:%c",
|
|
i,
|
|
(v->sdtr_done & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
}
|
|
seq_putc(m, '\n');
|
|
|
|
for (i = 0; i <= ASC_MAX_TID; i++) {
|
|
uchar syn_period_ix;
|
|
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
|
|
((v->init_sdtr & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
|
|
seq_printf(m, " %X:", i);
|
|
|
|
if ((boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET) == 0) {
|
|
seq_puts(m, " Asynchronous");
|
|
} else {
|
|
syn_period_ix =
|
|
(boardp->sdtr_data[i] >> 4) & (v->max_sdtr_index -
|
|
1);
|
|
|
|
seq_printf(m,
|
|
" Transfer Period Factor: %d (%d.%d Mhz),",
|
|
v->sdtr_period_tbl[syn_period_ix],
|
|
250 / v->sdtr_period_tbl[syn_period_ix],
|
|
ASC_TENTHS(250,
|
|
v->sdtr_period_tbl[syn_period_ix]));
|
|
|
|
seq_printf(m, " REQ/ACK Offset: %d",
|
|
boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET);
|
|
}
|
|
|
|
if ((v->sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
|
|
seq_puts(m, "*\n");
|
|
renegotiate = 1;
|
|
} else {
|
|
seq_putc(m, '\n');
|
|
}
|
|
}
|
|
|
|
if (renegotiate) {
|
|
seq_puts(m, " * = Re-negotiation pending before next command.\n");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* asc_prt_adv_board_info()
|
|
*
|
|
* Print dynamic board configuration information.
|
|
*/
|
|
static void asc_prt_adv_board_info(struct seq_file *m, struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
int i;
|
|
ADV_DVC_VAR *v;
|
|
ADV_DVC_CFG *c;
|
|
AdvPortAddr iop_base;
|
|
ushort chip_scsi_id;
|
|
ushort lramword;
|
|
uchar lrambyte;
|
|
ushort tagqng_able;
|
|
ushort sdtr_able, wdtr_able;
|
|
ushort wdtr_done, sdtr_done;
|
|
ushort period = 0;
|
|
int renegotiate = 0;
|
|
|
|
v = &boardp->dvc_var.adv_dvc_var;
|
|
c = &boardp->dvc_cfg.adv_dvc_cfg;
|
|
iop_base = v->iop_base;
|
|
chip_scsi_id = v->chip_scsi_id;
|
|
|
|
seq_printf(m,
|
|
"\nAdv Library Configuration and Statistics for AdvanSys SCSI Host %d:\n",
|
|
shost->host_no);
|
|
|
|
seq_printf(m,
|
|
" iop_base 0x%lx, cable_detect: %X, err_code %u\n",
|
|
(unsigned long)v->iop_base,
|
|
AdvReadWordRegister(iop_base,IOPW_SCSI_CFG1) & CABLE_DETECT,
|
|
v->err_code);
|
|
|
|
seq_printf(m, " chip_version %u, mcode_date 0x%x, "
|
|
"mcode_version 0x%x\n", c->chip_version,
|
|
c->mcode_date, c->mcode_version);
|
|
|
|
AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
|
|
seq_puts(m, " Queuing Enabled:");
|
|
for (i = 0; i <= ADV_MAX_TID; i++) {
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
|
|
seq_printf(m, " %X:%c",
|
|
i,
|
|
(tagqng_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
}
|
|
|
|
seq_puts(m, "\n Queue Limit:");
|
|
for (i = 0; i <= ADV_MAX_TID; i++) {
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
|
|
AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + i,
|
|
lrambyte);
|
|
|
|
seq_printf(m, " %X:%d", i, lrambyte);
|
|
}
|
|
|
|
seq_puts(m, "\n Command Pending:");
|
|
for (i = 0; i <= ADV_MAX_TID; i++) {
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
|
|
AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_QUEUED_CMD + i,
|
|
lrambyte);
|
|
|
|
seq_printf(m, " %X:%d", i, lrambyte);
|
|
}
|
|
seq_putc(m, '\n');
|
|
|
|
AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
|
|
seq_puts(m, " Wide Enabled:");
|
|
for (i = 0; i <= ADV_MAX_TID; i++) {
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
|
|
seq_printf(m, " %X:%c",
|
|
i,
|
|
(wdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
}
|
|
seq_putc(m, '\n');
|
|
|
|
AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, wdtr_done);
|
|
seq_puts(m, " Transfer Bit Width:");
|
|
for (i = 0; i <= ADV_MAX_TID; i++) {
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
|
|
AdvReadWordLram(iop_base,
|
|
ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
|
|
lramword);
|
|
|
|
seq_printf(m, " %X:%d",
|
|
i, (lramword & 0x8000) ? 16 : 8);
|
|
|
|
if ((wdtr_able & ADV_TID_TO_TIDMASK(i)) &&
|
|
(wdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
|
|
seq_putc(m, '*');
|
|
renegotiate = 1;
|
|
}
|
|
}
|
|
seq_putc(m, '\n');
|
|
|
|
AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
|
|
seq_puts(m, " Synchronous Enabled:");
|
|
for (i = 0; i <= ADV_MAX_TID; i++) {
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
|
|
seq_printf(m, " %X:%c",
|
|
i,
|
|
(sdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
|
|
}
|
|
seq_putc(m, '\n');
|
|
|
|
AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, sdtr_done);
|
|
for (i = 0; i <= ADV_MAX_TID; i++) {
|
|
|
|
AdvReadWordLram(iop_base,
|
|
ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
|
|
lramword);
|
|
lramword &= ~0x8000;
|
|
|
|
if ((chip_scsi_id == i) ||
|
|
((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
|
|
((sdtr_able & ADV_TID_TO_TIDMASK(i)) == 0)) {
|
|
continue;
|
|
}
|
|
|
|
seq_printf(m, " %X:", i);
|
|
|
|
if ((lramword & 0x1F) == 0) { /* Check for REQ/ACK Offset 0. */
|
|
seq_puts(m, " Asynchronous");
|
|
} else {
|
|
seq_puts(m, " Transfer Period Factor: ");
|
|
|
|
if ((lramword & 0x1F00) == 0x1100) { /* 80 Mhz */
|
|
seq_puts(m, "9 (80.0 Mhz),");
|
|
} else if ((lramword & 0x1F00) == 0x1000) { /* 40 Mhz */
|
|
seq_puts(m, "10 (40.0 Mhz),");
|
|
} else { /* 20 Mhz or below. */
|
|
|
|
period = (((lramword >> 8) * 25) + 50) / 4;
|
|
|
|
if (period == 0) { /* Should never happen. */
|
|
seq_printf(m, "%d (? Mhz), ", period);
|
|
} else {
|
|
seq_printf(m,
|
|
"%d (%d.%d Mhz),",
|
|
period, 250 / period,
|
|
ASC_TENTHS(250, period));
|
|
}
|
|
}
|
|
|
|
seq_printf(m, " REQ/ACK Offset: %d",
|
|
lramword & 0x1F);
|
|
}
|
|
|
|
if ((sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
|
|
seq_puts(m, "*\n");
|
|
renegotiate = 1;
|
|
} else {
|
|
seq_putc(m, '\n');
|
|
}
|
|
}
|
|
|
|
if (renegotiate) {
|
|
seq_puts(m, " * = Re-negotiation pending before next command.\n");
|
|
}
|
|
}
|
|
|
|
#ifdef ADVANSYS_STATS
|
|
/*
|
|
* asc_prt_board_stats()
|
|
*/
|
|
static void asc_prt_board_stats(struct seq_file *m, struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
struct asc_stats *s = &boardp->asc_stats;
|
|
|
|
seq_printf(m,
|
|
"\nLinux Driver Statistics for AdvanSys SCSI Host %d:\n",
|
|
shost->host_no);
|
|
|
|
seq_printf(m,
|
|
" queuecommand %u, reset %u, biosparam %u, interrupt %u\n",
|
|
s->queuecommand, s->reset, s->biosparam,
|
|
s->interrupt);
|
|
|
|
seq_printf(m,
|
|
" callback %u, done %u, build_error %u, build_noreq %u, build_nosg %u\n",
|
|
s->callback, s->done, s->build_error,
|
|
s->adv_build_noreq, s->adv_build_nosg);
|
|
|
|
seq_printf(m,
|
|
" exe_noerror %u, exe_busy %u, exe_error %u, exe_unknown %u\n",
|
|
s->exe_noerror, s->exe_busy, s->exe_error,
|
|
s->exe_unknown);
|
|
|
|
/*
|
|
* Display data transfer statistics.
|
|
*/
|
|
if (s->xfer_cnt > 0) {
|
|
seq_printf(m, " xfer_cnt %u, xfer_elem %u, ",
|
|
s->xfer_cnt, s->xfer_elem);
|
|
|
|
seq_printf(m, "xfer_bytes %u.%01u kb\n",
|
|
s->xfer_sect / 2, ASC_TENTHS(s->xfer_sect, 2));
|
|
|
|
/* Scatter gather transfer statistics */
|
|
seq_printf(m, " avg_num_elem %u.%01u, ",
|
|
s->xfer_elem / s->xfer_cnt,
|
|
ASC_TENTHS(s->xfer_elem, s->xfer_cnt));
|
|
|
|
seq_printf(m, "avg_elem_size %u.%01u kb, ",
|
|
(s->xfer_sect / 2) / s->xfer_elem,
|
|
ASC_TENTHS((s->xfer_sect / 2), s->xfer_elem));
|
|
|
|
seq_printf(m, "avg_xfer_size %u.%01u kb\n",
|
|
(s->xfer_sect / 2) / s->xfer_cnt,
|
|
ASC_TENTHS((s->xfer_sect / 2), s->xfer_cnt));
|
|
}
|
|
}
|
|
#endif /* ADVANSYS_STATS */
|
|
|
|
/*
|
|
* advansys_show_info() - /proc/scsi/advansys/{0,1,2,3,...}
|
|
*
|
|
* m: seq_file to print into
|
|
* shost: Scsi_Host
|
|
*
|
|
* Return the number of bytes read from or written to a
|
|
* /proc/scsi/advansys/[0...] file.
|
|
*/
|
|
static int
|
|
advansys_show_info(struct seq_file *m, struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
|
|
ASC_DBG(1, "begin\n");
|
|
|
|
/*
|
|
* User read of /proc/scsi/advansys/[0...] file.
|
|
*/
|
|
|
|
/*
|
|
* Get board configuration information.
|
|
*
|
|
* advansys_info() returns the board string from its own static buffer.
|
|
*/
|
|
/* Copy board information. */
|
|
seq_printf(m, "%s\n", (char *)advansys_info(shost));
|
|
/*
|
|
* Display Wide Board BIOS Information.
|
|
*/
|
|
if (!ASC_NARROW_BOARD(boardp))
|
|
asc_prt_adv_bios(m, shost);
|
|
|
|
/*
|
|
* Display driver information for each device attached to the board.
|
|
*/
|
|
asc_prt_board_devices(m, shost);
|
|
|
|
/*
|
|
* Display EEPROM configuration for the board.
|
|
*/
|
|
if (ASC_NARROW_BOARD(boardp))
|
|
asc_prt_asc_board_eeprom(m, shost);
|
|
else
|
|
asc_prt_adv_board_eeprom(m, shost);
|
|
|
|
/*
|
|
* Display driver configuration and information for the board.
|
|
*/
|
|
asc_prt_driver_conf(m, shost);
|
|
|
|
#ifdef ADVANSYS_STATS
|
|
/*
|
|
* Display driver statistics for the board.
|
|
*/
|
|
asc_prt_board_stats(m, shost);
|
|
#endif /* ADVANSYS_STATS */
|
|
|
|
/*
|
|
* Display Asc Library dynamic configuration information
|
|
* for the board.
|
|
*/
|
|
if (ASC_NARROW_BOARD(boardp))
|
|
asc_prt_asc_board_info(m, shost);
|
|
else
|
|
asc_prt_adv_board_info(m, shost);
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_PROC_FS */
|
|
|
|
static void asc_scsi_done(struct scsi_cmnd *scp)
|
|
{
|
|
scsi_dma_unmap(scp);
|
|
ASC_STATS(scp->device->host, done);
|
|
scp->scsi_done(scp);
|
|
}
|
|
|
|
static void AscSetBank(PortAddr iop_base, uchar bank)
|
|
{
|
|
uchar val;
|
|
|
|
val = AscGetChipControl(iop_base) &
|
|
(~
|
|
(CC_SINGLE_STEP | CC_TEST | CC_DIAG | CC_SCSI_RESET |
|
|
CC_CHIP_RESET));
|
|
if (bank == 1) {
|
|
val |= CC_BANK_ONE;
|
|
} else if (bank == 2) {
|
|
val |= CC_DIAG | CC_BANK_ONE;
|
|
} else {
|
|
val &= ~CC_BANK_ONE;
|
|
}
|
|
AscSetChipControl(iop_base, val);
|
|
}
|
|
|
|
static void AscSetChipIH(PortAddr iop_base, ushort ins_code)
|
|
{
|
|
AscSetBank(iop_base, 1);
|
|
AscWriteChipIH(iop_base, ins_code);
|
|
AscSetBank(iop_base, 0);
|
|
}
|
|
|
|
static int AscStartChip(PortAddr iop_base)
|
|
{
|
|
AscSetChipControl(iop_base, 0);
|
|
if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
|
|
return (0);
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
static bool AscStopChip(PortAddr iop_base)
|
|
{
|
|
uchar cc_val;
|
|
|
|
cc_val =
|
|
AscGetChipControl(iop_base) &
|
|
(~(CC_SINGLE_STEP | CC_TEST | CC_DIAG));
|
|
AscSetChipControl(iop_base, (uchar)(cc_val | CC_HALT));
|
|
AscSetChipIH(iop_base, INS_HALT);
|
|
AscSetChipIH(iop_base, INS_RFLAG_WTM);
|
|
if ((AscGetChipStatus(iop_base) & CSW_HALTED) == 0) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static bool AscIsChipHalted(PortAddr iop_base)
|
|
{
|
|
if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
|
|
if ((AscGetChipControl(iop_base) & CC_HALT) != 0) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool AscResetChipAndScsiBus(ASC_DVC_VAR *asc_dvc)
|
|
{
|
|
PortAddr iop_base;
|
|
int i = 10;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
while ((AscGetChipStatus(iop_base) & CSW_SCSI_RESET_ACTIVE)
|
|
&& (i-- > 0)) {
|
|
mdelay(100);
|
|
}
|
|
AscStopChip(iop_base);
|
|
AscSetChipControl(iop_base, CC_CHIP_RESET | CC_SCSI_RESET | CC_HALT);
|
|
udelay(60);
|
|
AscSetChipIH(iop_base, INS_RFLAG_WTM);
|
|
AscSetChipIH(iop_base, INS_HALT);
|
|
AscSetChipControl(iop_base, CC_CHIP_RESET | CC_HALT);
|
|
AscSetChipControl(iop_base, CC_HALT);
|
|
mdelay(200);
|
|
AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
|
|
AscSetChipStatus(iop_base, 0);
|
|
return (AscIsChipHalted(iop_base));
|
|
}
|
|
|
|
static int AscFindSignature(PortAddr iop_base)
|
|
{
|
|
ushort sig_word;
|
|
|
|
ASC_DBG(1, "AscGetChipSignatureByte(0x%x) 0x%x\n",
|
|
iop_base, AscGetChipSignatureByte(iop_base));
|
|
if (AscGetChipSignatureByte(iop_base) == (uchar)ASC_1000_ID1B) {
|
|
ASC_DBG(1, "AscGetChipSignatureWord(0x%x) 0x%x\n",
|
|
iop_base, AscGetChipSignatureWord(iop_base));
|
|
sig_word = AscGetChipSignatureWord(iop_base);
|
|
if ((sig_word == (ushort)ASC_1000_ID0W) ||
|
|
(sig_word == (ushort)ASC_1000_ID0W_FIX)) {
|
|
return (1);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void AscEnableInterrupt(PortAddr iop_base)
|
|
{
|
|
ushort cfg;
|
|
|
|
cfg = AscGetChipCfgLsw(iop_base);
|
|
AscSetChipCfgLsw(iop_base, cfg | ASC_CFG0_HOST_INT_ON);
|
|
}
|
|
|
|
static void AscDisableInterrupt(PortAddr iop_base)
|
|
{
|
|
ushort cfg;
|
|
|
|
cfg = AscGetChipCfgLsw(iop_base);
|
|
AscSetChipCfgLsw(iop_base, cfg & (~ASC_CFG0_HOST_INT_ON));
|
|
}
|
|
|
|
static uchar AscReadLramByte(PortAddr iop_base, ushort addr)
|
|
{
|
|
unsigned char byte_data;
|
|
unsigned short word_data;
|
|
|
|
if (isodd_word(addr)) {
|
|
AscSetChipLramAddr(iop_base, addr - 1);
|
|
word_data = AscGetChipLramData(iop_base);
|
|
byte_data = (word_data >> 8) & 0xFF;
|
|
} else {
|
|
AscSetChipLramAddr(iop_base, addr);
|
|
word_data = AscGetChipLramData(iop_base);
|
|
byte_data = word_data & 0xFF;
|
|
}
|
|
return byte_data;
|
|
}
|
|
|
|
static ushort AscReadLramWord(PortAddr iop_base, ushort addr)
|
|
{
|
|
ushort word_data;
|
|
|
|
AscSetChipLramAddr(iop_base, addr);
|
|
word_data = AscGetChipLramData(iop_base);
|
|
return (word_data);
|
|
}
|
|
|
|
static void
|
|
AscMemWordSetLram(PortAddr iop_base, ushort s_addr, ushort set_wval, int words)
|
|
{
|
|
int i;
|
|
|
|
AscSetChipLramAddr(iop_base, s_addr);
|
|
for (i = 0; i < words; i++) {
|
|
AscSetChipLramData(iop_base, set_wval);
|
|
}
|
|
}
|
|
|
|
static void AscWriteLramWord(PortAddr iop_base, ushort addr, ushort word_val)
|
|
{
|
|
AscSetChipLramAddr(iop_base, addr);
|
|
AscSetChipLramData(iop_base, word_val);
|
|
}
|
|
|
|
static void AscWriteLramByte(PortAddr iop_base, ushort addr, uchar byte_val)
|
|
{
|
|
ushort word_data;
|
|
|
|
if (isodd_word(addr)) {
|
|
addr--;
|
|
word_data = AscReadLramWord(iop_base, addr);
|
|
word_data &= 0x00FF;
|
|
word_data |= (((ushort)byte_val << 8) & 0xFF00);
|
|
} else {
|
|
word_data = AscReadLramWord(iop_base, addr);
|
|
word_data &= 0xFF00;
|
|
word_data |= ((ushort)byte_val & 0x00FF);
|
|
}
|
|
AscWriteLramWord(iop_base, addr, word_data);
|
|
}
|
|
|
|
/*
|
|
* Copy 2 bytes to LRAM.
|
|
*
|
|
* The source data is assumed to be in little-endian order in memory
|
|
* and is maintained in little-endian order when written to LRAM.
|
|
*/
|
|
static void
|
|
AscMemWordCopyPtrToLram(PortAddr iop_base, ushort s_addr,
|
|
const uchar *s_buffer, int words)
|
|
{
|
|
int i;
|
|
|
|
AscSetChipLramAddr(iop_base, s_addr);
|
|
for (i = 0; i < 2 * words; i += 2) {
|
|
/*
|
|
* On a little-endian system the second argument below
|
|
* produces a little-endian ushort which is written to
|
|
* LRAM in little-endian order. On a big-endian system
|
|
* the second argument produces a big-endian ushort which
|
|
* is "transparently" byte-swapped by outpw() and written
|
|
* in little-endian order to LRAM.
|
|
*/
|
|
outpw(iop_base + IOP_RAM_DATA,
|
|
((ushort)s_buffer[i + 1] << 8) | s_buffer[i]);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Copy 4 bytes to LRAM.
|
|
*
|
|
* The source data is assumed to be in little-endian order in memory
|
|
* and is maintained in little-endian order when written to LRAM.
|
|
*/
|
|
static void
|
|
AscMemDWordCopyPtrToLram(PortAddr iop_base,
|
|
ushort s_addr, uchar *s_buffer, int dwords)
|
|
{
|
|
int i;
|
|
|
|
AscSetChipLramAddr(iop_base, s_addr);
|
|
for (i = 0; i < 4 * dwords; i += 4) {
|
|
outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]); /* LSW */
|
|
outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 3] << 8) | s_buffer[i + 2]); /* MSW */
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Copy 2 bytes from LRAM.
|
|
*
|
|
* The source data is assumed to be in little-endian order in LRAM
|
|
* and is maintained in little-endian order when written to memory.
|
|
*/
|
|
static void
|
|
AscMemWordCopyPtrFromLram(PortAddr iop_base,
|
|
ushort s_addr, uchar *d_buffer, int words)
|
|
{
|
|
int i;
|
|
ushort word;
|
|
|
|
AscSetChipLramAddr(iop_base, s_addr);
|
|
for (i = 0; i < 2 * words; i += 2) {
|
|
word = inpw(iop_base + IOP_RAM_DATA);
|
|
d_buffer[i] = word & 0xff;
|
|
d_buffer[i + 1] = (word >> 8) & 0xff;
|
|
}
|
|
}
|
|
|
|
static u32 AscMemSumLramWord(PortAddr iop_base, ushort s_addr, int words)
|
|
{
|
|
u32 sum = 0;
|
|
int i;
|
|
|
|
for (i = 0; i < words; i++, s_addr += 2) {
|
|
sum += AscReadLramWord(iop_base, s_addr);
|
|
}
|
|
return (sum);
|
|
}
|
|
|
|
static void AscInitLram(ASC_DVC_VAR *asc_dvc)
|
|
{
|
|
uchar i;
|
|
ushort s_addr;
|
|
PortAddr iop_base;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
AscMemWordSetLram(iop_base, ASC_QADR_BEG, 0,
|
|
(ushort)(((int)(asc_dvc->max_total_qng + 2 + 1) *
|
|
64) >> 1));
|
|
i = ASC_MIN_ACTIVE_QNO;
|
|
s_addr = ASC_QADR_BEG + ASC_QBLK_SIZE;
|
|
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
|
|
(uchar)(i + 1));
|
|
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
|
|
(uchar)(asc_dvc->max_total_qng));
|
|
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
|
|
(uchar)i);
|
|
i++;
|
|
s_addr += ASC_QBLK_SIZE;
|
|
for (; i < asc_dvc->max_total_qng; i++, s_addr += ASC_QBLK_SIZE) {
|
|
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
|
|
(uchar)(i + 1));
|
|
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
|
|
(uchar)(i - 1));
|
|
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
|
|
(uchar)i);
|
|
}
|
|
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
|
|
(uchar)ASC_QLINK_END);
|
|
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
|
|
(uchar)(asc_dvc->max_total_qng - 1));
|
|
AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
|
|
(uchar)asc_dvc->max_total_qng);
|
|
i++;
|
|
s_addr += ASC_QBLK_SIZE;
|
|
for (; i <= (uchar)(asc_dvc->max_total_qng + 3);
|
|
i++, s_addr += ASC_QBLK_SIZE) {
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)(s_addr + (ushort)ASC_SCSIQ_B_FWD), i);
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)(s_addr + (ushort)ASC_SCSIQ_B_BWD), i);
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)(s_addr + (ushort)ASC_SCSIQ_B_QNO), i);
|
|
}
|
|
}
|
|
|
|
static u32
|
|
AscLoadMicroCode(PortAddr iop_base, ushort s_addr,
|
|
const uchar *mcode_buf, ushort mcode_size)
|
|
{
|
|
u32 chksum;
|
|
ushort mcode_word_size;
|
|
ushort mcode_chksum;
|
|
|
|
/* Write the microcode buffer starting at LRAM address 0. */
|
|
mcode_word_size = (ushort)(mcode_size >> 1);
|
|
AscMemWordSetLram(iop_base, s_addr, 0, mcode_word_size);
|
|
AscMemWordCopyPtrToLram(iop_base, s_addr, mcode_buf, mcode_word_size);
|
|
|
|
chksum = AscMemSumLramWord(iop_base, s_addr, mcode_word_size);
|
|
ASC_DBG(1, "chksum 0x%lx\n", (ulong)chksum);
|
|
mcode_chksum = (ushort)AscMemSumLramWord(iop_base,
|
|
(ushort)ASC_CODE_SEC_BEG,
|
|
(ushort)((mcode_size -
|
|
s_addr - (ushort)
|
|
ASC_CODE_SEC_BEG) /
|
|
2));
|
|
ASC_DBG(1, "mcode_chksum 0x%lx\n", (ulong)mcode_chksum);
|
|
AscWriteLramWord(iop_base, ASCV_MCODE_CHKSUM_W, mcode_chksum);
|
|
AscWriteLramWord(iop_base, ASCV_MCODE_SIZE_W, mcode_size);
|
|
return chksum;
|
|
}
|
|
|
|
static void AscInitQLinkVar(ASC_DVC_VAR *asc_dvc)
|
|
{
|
|
PortAddr iop_base;
|
|
int i;
|
|
ushort lram_addr;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
AscPutRiscVarFreeQHead(iop_base, 1);
|
|
AscPutRiscVarDoneQTail(iop_base, asc_dvc->max_total_qng);
|
|
AscPutVarFreeQHead(iop_base, 1);
|
|
AscPutVarDoneQTail(iop_base, asc_dvc->max_total_qng);
|
|
AscWriteLramByte(iop_base, ASCV_BUSY_QHEAD_B,
|
|
(uchar)((int)asc_dvc->max_total_qng + 1));
|
|
AscWriteLramByte(iop_base, ASCV_DISC1_QHEAD_B,
|
|
(uchar)((int)asc_dvc->max_total_qng + 2));
|
|
AscWriteLramByte(iop_base, (ushort)ASCV_TOTAL_READY_Q_B,
|
|
asc_dvc->max_total_qng);
|
|
AscWriteLramWord(iop_base, ASCV_ASCDVC_ERR_CODE_W, 0);
|
|
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
|
|
AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, 0);
|
|
AscWriteLramByte(iop_base, ASCV_SCSIBUSY_B, 0);
|
|
AscWriteLramByte(iop_base, ASCV_WTM_FLAG_B, 0);
|
|
AscPutQDoneInProgress(iop_base, 0);
|
|
lram_addr = ASC_QADR_BEG;
|
|
for (i = 0; i < 32; i++, lram_addr += 2) {
|
|
AscWriteLramWord(iop_base, lram_addr, 0);
|
|
}
|
|
}
|
|
|
|
static int AscInitMicroCodeVar(ASC_DVC_VAR *asc_dvc)
|
|
{
|
|
int i;
|
|
int warn_code;
|
|
PortAddr iop_base;
|
|
__le32 phy_addr;
|
|
__le32 phy_size;
|
|
struct asc_board *board = asc_dvc_to_board(asc_dvc);
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
warn_code = 0;
|
|
for (i = 0; i <= ASC_MAX_TID; i++) {
|
|
AscPutMCodeInitSDTRAtID(iop_base, i,
|
|
asc_dvc->cfg->sdtr_period_offset[i]);
|
|
}
|
|
|
|
AscInitQLinkVar(asc_dvc);
|
|
AscWriteLramByte(iop_base, ASCV_DISC_ENABLE_B,
|
|
asc_dvc->cfg->disc_enable);
|
|
AscWriteLramByte(iop_base, ASCV_HOSTSCSI_ID_B,
|
|
ASC_TID_TO_TARGET_ID(asc_dvc->cfg->chip_scsi_id));
|
|
|
|
/* Ensure overrun buffer is aligned on an 8 byte boundary. */
|
|
BUG_ON((unsigned long)asc_dvc->overrun_buf & 7);
|
|
asc_dvc->overrun_dma = dma_map_single(board->dev, asc_dvc->overrun_buf,
|
|
ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
|
|
if (dma_mapping_error(board->dev, asc_dvc->overrun_dma)) {
|
|
warn_code = -ENOMEM;
|
|
goto err_dma_map;
|
|
}
|
|
phy_addr = cpu_to_le32(asc_dvc->overrun_dma);
|
|
AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_PADDR_D,
|
|
(uchar *)&phy_addr, 1);
|
|
phy_size = cpu_to_le32(ASC_OVERRUN_BSIZE);
|
|
AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_BSIZE_D,
|
|
(uchar *)&phy_size, 1);
|
|
|
|
asc_dvc->cfg->mcode_date =
|
|
AscReadLramWord(iop_base, (ushort)ASCV_MC_DATE_W);
|
|
asc_dvc->cfg->mcode_version =
|
|
AscReadLramWord(iop_base, (ushort)ASCV_MC_VER_W);
|
|
|
|
AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
|
|
if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
|
|
asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
|
|
warn_code = -EINVAL;
|
|
goto err_mcode_start;
|
|
}
|
|
if (AscStartChip(iop_base) != 1) {
|
|
asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
|
|
warn_code = -EIO;
|
|
goto err_mcode_start;
|
|
}
|
|
|
|
return warn_code;
|
|
|
|
err_mcode_start:
|
|
dma_unmap_single(board->dev, asc_dvc->overrun_dma,
|
|
ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
|
|
err_dma_map:
|
|
asc_dvc->overrun_dma = 0;
|
|
return warn_code;
|
|
}
|
|
|
|
static int AscInitAsc1000Driver(ASC_DVC_VAR *asc_dvc)
|
|
{
|
|
const struct firmware *fw;
|
|
const char fwname[] = "advansys/mcode.bin";
|
|
int err;
|
|
unsigned long chksum;
|
|
int warn_code;
|
|
PortAddr iop_base;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
warn_code = 0;
|
|
if ((asc_dvc->dvc_cntl & ASC_CNTL_RESET_SCSI) &&
|
|
!(asc_dvc->init_state & ASC_INIT_RESET_SCSI_DONE)) {
|
|
AscResetChipAndScsiBus(asc_dvc);
|
|
mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
|
|
}
|
|
asc_dvc->init_state |= ASC_INIT_STATE_BEG_LOAD_MC;
|
|
if (asc_dvc->err_code != 0)
|
|
return ASC_ERROR;
|
|
if (!AscFindSignature(asc_dvc->iop_base)) {
|
|
asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
|
|
return warn_code;
|
|
}
|
|
AscDisableInterrupt(iop_base);
|
|
AscInitLram(asc_dvc);
|
|
|
|
err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
|
|
if (err) {
|
|
printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
|
|
fwname, err);
|
|
asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
|
|
return err;
|
|
}
|
|
if (fw->size < 4) {
|
|
printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
|
|
fw->size, fwname);
|
|
release_firmware(fw);
|
|
asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
|
|
return -EINVAL;
|
|
}
|
|
chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
|
|
(fw->data[1] << 8) | fw->data[0];
|
|
ASC_DBG(1, "_asc_mcode_chksum 0x%lx\n", (ulong)chksum);
|
|
if (AscLoadMicroCode(iop_base, 0, &fw->data[4],
|
|
fw->size - 4) != chksum) {
|
|
asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
|
|
release_firmware(fw);
|
|
return warn_code;
|
|
}
|
|
release_firmware(fw);
|
|
warn_code |= AscInitMicroCodeVar(asc_dvc);
|
|
if (!asc_dvc->overrun_dma)
|
|
return warn_code;
|
|
asc_dvc->init_state |= ASC_INIT_STATE_END_LOAD_MC;
|
|
AscEnableInterrupt(iop_base);
|
|
return warn_code;
|
|
}
|
|
|
|
/*
|
|
* Load the Microcode
|
|
*
|
|
* Write the microcode image to RISC memory starting at address 0.
|
|
*
|
|
* The microcode is stored compressed in the following format:
|
|
*
|
|
* 254 word (508 byte) table indexed by byte code followed
|
|
* by the following byte codes:
|
|
*
|
|
* 1-Byte Code:
|
|
* 00: Emit word 0 in table.
|
|
* 01: Emit word 1 in table.
|
|
* .
|
|
* FD: Emit word 253 in table.
|
|
*
|
|
* Multi-Byte Code:
|
|
* FE WW WW: (3 byte code) Word to emit is the next word WW WW.
|
|
* FF BB WW WW: (4 byte code) Emit BB count times next word WW WW.
|
|
*
|
|
* Returns 0 or an error if the checksum doesn't match
|
|
*/
|
|
static int AdvLoadMicrocode(AdvPortAddr iop_base, const unsigned char *buf,
|
|
int size, int memsize, int chksum)
|
|
{
|
|
int i, j, end, len = 0;
|
|
u32 sum;
|
|
|
|
AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
|
|
|
|
for (i = 253 * 2; i < size; i++) {
|
|
if (buf[i] == 0xff) {
|
|
unsigned short word = (buf[i + 3] << 8) | buf[i + 2];
|
|
for (j = 0; j < buf[i + 1]; j++) {
|
|
AdvWriteWordAutoIncLram(iop_base, word);
|
|
len += 2;
|
|
}
|
|
i += 3;
|
|
} else if (buf[i] == 0xfe) {
|
|
unsigned short word = (buf[i + 2] << 8) | buf[i + 1];
|
|
AdvWriteWordAutoIncLram(iop_base, word);
|
|
i += 2;
|
|
len += 2;
|
|
} else {
|
|
unsigned int off = buf[i] * 2;
|
|
unsigned short word = (buf[off + 1] << 8) | buf[off];
|
|
AdvWriteWordAutoIncLram(iop_base, word);
|
|
len += 2;
|
|
}
|
|
}
|
|
|
|
end = len;
|
|
|
|
while (len < memsize) {
|
|
AdvWriteWordAutoIncLram(iop_base, 0);
|
|
len += 2;
|
|
}
|
|
|
|
/* Verify the microcode checksum. */
|
|
sum = 0;
|
|
AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);
|
|
|
|
for (len = 0; len < end; len += 2) {
|
|
sum += AdvReadWordAutoIncLram(iop_base);
|
|
}
|
|
|
|
if (sum != chksum)
|
|
return ASC_IERR_MCODE_CHKSUM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void AdvBuildCarrierFreelist(struct adv_dvc_var *adv_dvc)
|
|
{
|
|
off_t carr_offset = 0, next_offset;
|
|
dma_addr_t carr_paddr;
|
|
int carr_num = ADV_CARRIER_BUFSIZE / sizeof(ADV_CARR_T), i;
|
|
|
|
for (i = 0; i < carr_num; i++) {
|
|
carr_offset = i * sizeof(ADV_CARR_T);
|
|
/* Get physical address of the carrier 'carrp'. */
|
|
carr_paddr = adv_dvc->carrier_addr + carr_offset;
|
|
|
|
adv_dvc->carrier[i].carr_pa = cpu_to_le32(carr_paddr);
|
|
adv_dvc->carrier[i].carr_va = cpu_to_le32(carr_offset);
|
|
adv_dvc->carrier[i].areq_vpa = 0;
|
|
next_offset = carr_offset + sizeof(ADV_CARR_T);
|
|
if (i == carr_num)
|
|
next_offset = ~0;
|
|
adv_dvc->carrier[i].next_vpa = cpu_to_le32(next_offset);
|
|
}
|
|
/*
|
|
* We cannot have a carrier with 'carr_va' of '0', as
|
|
* a reference to this carrier would be interpreted as
|
|
* list termination.
|
|
* So start at carrier 1 with the freelist.
|
|
*/
|
|
adv_dvc->carr_freelist = &adv_dvc->carrier[1];
|
|
}
|
|
|
|
static ADV_CARR_T *adv_get_carrier(struct adv_dvc_var *adv_dvc, u32 offset)
|
|
{
|
|
int index;
|
|
|
|
BUG_ON(offset > ADV_CARRIER_BUFSIZE);
|
|
|
|
index = offset / sizeof(ADV_CARR_T);
|
|
return &adv_dvc->carrier[index];
|
|
}
|
|
|
|
static ADV_CARR_T *adv_get_next_carrier(struct adv_dvc_var *adv_dvc)
|
|
{
|
|
ADV_CARR_T *carrp = adv_dvc->carr_freelist;
|
|
u32 next_vpa = le32_to_cpu(carrp->next_vpa);
|
|
|
|
if (next_vpa == 0 || next_vpa == ~0) {
|
|
ASC_DBG(1, "invalid vpa offset 0x%x\n", next_vpa);
|
|
return NULL;
|
|
}
|
|
|
|
adv_dvc->carr_freelist = adv_get_carrier(adv_dvc, next_vpa);
|
|
/*
|
|
* insert stopper carrier to terminate list
|
|
*/
|
|
carrp->next_vpa = cpu_to_le32(ADV_CQ_STOPPER);
|
|
|
|
return carrp;
|
|
}
|
|
|
|
/*
|
|
* 'offset' is the index in the request pointer array
|
|
*/
|
|
static adv_req_t * adv_get_reqp(struct adv_dvc_var *adv_dvc, u32 offset)
|
|
{
|
|
struct asc_board *boardp = adv_dvc->drv_ptr;
|
|
|
|
BUG_ON(offset > adv_dvc->max_host_qng);
|
|
return &boardp->adv_reqp[offset];
|
|
}
|
|
|
|
/*
|
|
* Send an idle command to the chip and wait for completion.
|
|
*
|
|
* Command completion is polled for once per microsecond.
|
|
*
|
|
* The function can be called from anywhere including an interrupt handler.
|
|
* But the function is not re-entrant, so it uses the DvcEnter/LeaveCritical()
|
|
* functions to prevent reentrancy.
|
|
*
|
|
* Return Values:
|
|
* ADV_TRUE - command completed successfully
|
|
* ADV_FALSE - command failed
|
|
* ADV_ERROR - command timed out
|
|
*/
|
|
static int
|
|
AdvSendIdleCmd(ADV_DVC_VAR *asc_dvc,
|
|
ushort idle_cmd, u32 idle_cmd_parameter)
|
|
{
|
|
int result, i, j;
|
|
AdvPortAddr iop_base;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
|
|
/*
|
|
* Clear the idle command status which is set by the microcode
|
|
* to a non-zero value to indicate when the command is completed.
|
|
* The non-zero result is one of the IDLE_CMD_STATUS_* values
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS, (ushort)0);
|
|
|
|
/*
|
|
* Write the idle command value after the idle command parameter
|
|
* has been written to avoid a race condition. If the order is not
|
|
* followed, the microcode may process the idle command before the
|
|
* parameters have been written to LRAM.
|
|
*/
|
|
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IDLE_CMD_PARAMETER,
|
|
cpu_to_le32(idle_cmd_parameter));
|
|
AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD, idle_cmd);
|
|
|
|
/*
|
|
* Tickle the RISC to tell it to process the idle command.
|
|
*/
|
|
AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_B);
|
|
if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
|
|
/*
|
|
* Clear the tickle value. In the ASC-3550 the RISC flag
|
|
* command 'clr_tickle_b' does not work unless the host
|
|
* value is cleared.
|
|
*/
|
|
AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_NOP);
|
|
}
|
|
|
|
/* Wait for up to 100 millisecond for the idle command to timeout. */
|
|
for (i = 0; i < SCSI_WAIT_100_MSEC; i++) {
|
|
/* Poll once each microsecond for command completion. */
|
|
for (j = 0; j < SCSI_US_PER_MSEC; j++) {
|
|
AdvReadWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS,
|
|
result);
|
|
if (result != 0)
|
|
return result;
|
|
udelay(1);
|
|
}
|
|
}
|
|
|
|
BUG(); /* The idle command should never timeout. */
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* Reset SCSI Bus and purge all outstanding requests.
|
|
*
|
|
* Return Value:
|
|
* ADV_TRUE(1) - All requests are purged and SCSI Bus is reset.
|
|
* ADV_FALSE(0) - Microcode command failed.
|
|
* ADV_ERROR(-1) - Microcode command timed-out. Microcode or IC
|
|
* may be hung which requires driver recovery.
|
|
*/
|
|
static int AdvResetSB(ADV_DVC_VAR *asc_dvc)
|
|
{
|
|
int status;
|
|
|
|
/*
|
|
* Send the SCSI Bus Reset idle start idle command which asserts
|
|
* the SCSI Bus Reset signal.
|
|
*/
|
|
status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_START, 0L);
|
|
if (status != ADV_TRUE) {
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* Delay for the specified SCSI Bus Reset hold time.
|
|
*
|
|
* The hold time delay is done on the host because the RISC has no
|
|
* microsecond accurate timer.
|
|
*/
|
|
udelay(ASC_SCSI_RESET_HOLD_TIME_US);
|
|
|
|
/*
|
|
* Send the SCSI Bus Reset end idle command which de-asserts
|
|
* the SCSI Bus Reset signal and purges any pending requests.
|
|
*/
|
|
status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_END, 0L);
|
|
if (status != ADV_TRUE) {
|
|
return status;
|
|
}
|
|
|
|
mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
|
|
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* Initialize the ASC-3550.
|
|
*
|
|
* On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
|
|
*
|
|
* For a non-fatal error return a warning code. If there are no warnings
|
|
* then 0 is returned.
|
|
*
|
|
* Needed after initialization for error recovery.
|
|
*/
|
|
static int AdvInitAsc3550Driver(ADV_DVC_VAR *asc_dvc)
|
|
{
|
|
const struct firmware *fw;
|
|
const char fwname[] = "advansys/3550.bin";
|
|
AdvPortAddr iop_base;
|
|
ushort warn_code;
|
|
int begin_addr;
|
|
int end_addr;
|
|
ushort code_sum;
|
|
int word;
|
|
int i;
|
|
int err;
|
|
unsigned long chksum;
|
|
ushort scsi_cfg1;
|
|
uchar tid;
|
|
ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */
|
|
ushort wdtr_able = 0, sdtr_able, tagqng_able;
|
|
uchar max_cmd[ADV_MAX_TID + 1];
|
|
|
|
/* If there is already an error, don't continue. */
|
|
if (asc_dvc->err_code != 0)
|
|
return ADV_ERROR;
|
|
|
|
/*
|
|
* The caller must set 'chip_type' to ADV_CHIP_ASC3550.
|
|
*/
|
|
if (asc_dvc->chip_type != ADV_CHIP_ASC3550) {
|
|
asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
warn_code = 0;
|
|
iop_base = asc_dvc->iop_base;
|
|
|
|
/*
|
|
* Save the RISC memory BIOS region before writing the microcode.
|
|
* The BIOS may already be loaded and using its RISC LRAM region
|
|
* so its region must be saved and restored.
|
|
*
|
|
* Note: This code makes the assumption, which is currently true,
|
|
* that a chip reset does not clear RISC LRAM.
|
|
*/
|
|
for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
|
|
AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
|
|
bios_mem[i]);
|
|
}
|
|
|
|
/*
|
|
* Save current per TID negotiated values.
|
|
*/
|
|
if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] == 0x55AA) {
|
|
ushort bios_version, major, minor;
|
|
|
|
bios_version =
|
|
bios_mem[(ASC_MC_BIOS_VERSION - ASC_MC_BIOSMEM) / 2];
|
|
major = (bios_version >> 12) & 0xF;
|
|
minor = (bios_version >> 8) & 0xF;
|
|
if (major < 3 || (major == 3 && minor == 1)) {
|
|
/* BIOS 3.1 and earlier location of 'wdtr_able' variable. */
|
|
AdvReadWordLram(iop_base, 0x120, wdtr_able);
|
|
} else {
|
|
AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
|
|
}
|
|
}
|
|
AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
|
|
AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
|
|
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
|
|
AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
|
|
max_cmd[tid]);
|
|
}
|
|
|
|
err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
|
|
if (err) {
|
|
printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
|
|
fwname, err);
|
|
asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
|
|
return err;
|
|
}
|
|
if (fw->size < 4) {
|
|
printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
|
|
fw->size, fwname);
|
|
release_firmware(fw);
|
|
asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
|
|
return -EINVAL;
|
|
}
|
|
chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
|
|
(fw->data[1] << 8) | fw->data[0];
|
|
asc_dvc->err_code = AdvLoadMicrocode(iop_base, &fw->data[4],
|
|
fw->size - 4, ADV_3550_MEMSIZE,
|
|
chksum);
|
|
release_firmware(fw);
|
|
if (asc_dvc->err_code)
|
|
return ADV_ERROR;
|
|
|
|
/*
|
|
* Restore the RISC memory BIOS region.
|
|
*/
|
|
for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
|
|
AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
|
|
bios_mem[i]);
|
|
}
|
|
|
|
/*
|
|
* Calculate and write the microcode code checksum to the microcode
|
|
* code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
|
|
*/
|
|
AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
|
|
AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
|
|
code_sum = 0;
|
|
AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
|
|
for (word = begin_addr; word < end_addr; word += 2) {
|
|
code_sum += AdvReadWordAutoIncLram(iop_base);
|
|
}
|
|
AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
|
|
|
|
/*
|
|
* Read and save microcode version and date.
|
|
*/
|
|
AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
|
|
asc_dvc->cfg->mcode_date);
|
|
AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
|
|
asc_dvc->cfg->mcode_version);
|
|
|
|
/*
|
|
* Set the chip type to indicate the ASC3550.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC3550);
|
|
|
|
/*
|
|
* If the PCI Configuration Command Register "Parity Error Response
|
|
* Control" Bit was clear (0), then set the microcode variable
|
|
* 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
|
|
* to ignore DMA parity errors.
|
|
*/
|
|
if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
|
|
AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
|
|
word |= CONTROL_FLAG_IGNORE_PERR;
|
|
AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
|
|
}
|
|
|
|
/*
|
|
* For ASC-3550, setting the START_CTL_EMFU [3:2] bits sets a FIFO
|
|
* threshold of 128 bytes. This register is only accessible to the host.
|
|
*/
|
|
AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
|
|
START_CTL_EMFU | READ_CMD_MRM);
|
|
|
|
/*
|
|
* Microcode operating variables for WDTR, SDTR, and command tag
|
|
* queuing will be set in slave_configure() based on what a
|
|
* device reports it is capable of in Inquiry byte 7.
|
|
*
|
|
* If SCSI Bus Resets have been disabled, then directly set
|
|
* SDTR and WDTR from the EEPROM configuration. This will allow
|
|
* the BIOS and warm boot to work without a SCSI bus hang on
|
|
* the Inquiry caused by host and target mismatched DTR values.
|
|
* Without the SCSI Bus Reset, before an Inquiry a device can't
|
|
* be assumed to be in Asynchronous, Narrow mode.
|
|
*/
|
|
if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
|
|
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
|
|
asc_dvc->wdtr_able);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
|
|
asc_dvc->sdtr_able);
|
|
}
|
|
|
|
/*
|
|
* Set microcode operating variables for SDTR_SPEED1, SDTR_SPEED2,
|
|
* SDTR_SPEED3, and SDTR_SPEED4 based on the ULTRA EEPROM per TID
|
|
* bitmask. These values determine the maximum SDTR speed negotiated
|
|
* with a device.
|
|
*
|
|
* The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
|
|
* SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
|
|
* without determining here whether the device supports SDTR.
|
|
*
|
|
* 4-bit speed SDTR speed name
|
|
* =========== ===============
|
|
* 0000b (0x0) SDTR disabled
|
|
* 0001b (0x1) 5 Mhz
|
|
* 0010b (0x2) 10 Mhz
|
|
* 0011b (0x3) 20 Mhz (Ultra)
|
|
* 0100b (0x4) 40 Mhz (LVD/Ultra2)
|
|
* 0101b (0x5) 80 Mhz (LVD2/Ultra3)
|
|
* 0110b (0x6) Undefined
|
|
* .
|
|
* 1111b (0xF) Undefined
|
|
*/
|
|
word = 0;
|
|
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
|
|
if (ADV_TID_TO_TIDMASK(tid) & asc_dvc->ultra_able) {
|
|
/* Set Ultra speed for TID 'tid'. */
|
|
word |= (0x3 << (4 * (tid % 4)));
|
|
} else {
|
|
/* Set Fast speed for TID 'tid'. */
|
|
word |= (0x2 << (4 * (tid % 4)));
|
|
}
|
|
if (tid == 3) { /* Check if done with sdtr_speed1. */
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, word);
|
|
word = 0;
|
|
} else if (tid == 7) { /* Check if done with sdtr_speed2. */
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, word);
|
|
word = 0;
|
|
} else if (tid == 11) { /* Check if done with sdtr_speed3. */
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, word);
|
|
word = 0;
|
|
} else if (tid == 15) { /* Check if done with sdtr_speed4. */
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, word);
|
|
/* End of loop. */
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Set microcode operating variable for the disconnect per TID bitmask.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
|
|
asc_dvc->cfg->disc_enable);
|
|
|
|
/*
|
|
* Set SCSI_CFG0 Microcode Default Value.
|
|
*
|
|
* The microcode will set the SCSI_CFG0 register using this value
|
|
* after it is started below.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
|
|
PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
|
|
asc_dvc->chip_scsi_id);
|
|
|
|
/*
|
|
* Determine SCSI_CFG1 Microcode Default Value.
|
|
*
|
|
* The microcode will set the SCSI_CFG1 register using this value
|
|
* after it is started below.
|
|
*/
|
|
|
|
/* Read current SCSI_CFG1 Register value. */
|
|
scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
|
|
|
|
/*
|
|
* If all three connectors are in use, return an error.
|
|
*/
|
|
if ((scsi_cfg1 & CABLE_ILLEGAL_A) == 0 ||
|
|
(scsi_cfg1 & CABLE_ILLEGAL_B) == 0) {
|
|
asc_dvc->err_code |= ASC_IERR_ILLEGAL_CONNECTION;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* If the internal narrow cable is reversed all of the SCSI_CTRL
|
|
* register signals will be set. Check for and return an error if
|
|
* this condition is found.
|
|
*/
|
|
if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
|
|
asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* If this is a differential board and a single-ended device
|
|
* is attached to one of the connectors, return an error.
|
|
*/
|
|
if ((scsi_cfg1 & DIFF_MODE) && (scsi_cfg1 & DIFF_SENSE) == 0) {
|
|
asc_dvc->err_code |= ASC_IERR_SINGLE_END_DEVICE;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* If automatic termination control is enabled, then set the
|
|
* termination value based on a table listed in a_condor.h.
|
|
*
|
|
* If manual termination was specified with an EEPROM setting
|
|
* then 'termination' was set-up in AdvInitFrom3550EEPROM() and
|
|
* is ready to be 'ored' into SCSI_CFG1.
|
|
*/
|
|
if (asc_dvc->cfg->termination == 0) {
|
|
/*
|
|
* The software always controls termination by setting TERM_CTL_SEL.
|
|
* If TERM_CTL_SEL were set to 0, the hardware would set termination.
|
|
*/
|
|
asc_dvc->cfg->termination |= TERM_CTL_SEL;
|
|
|
|
switch (scsi_cfg1 & CABLE_DETECT) {
|
|
/* TERM_CTL_H: on, TERM_CTL_L: on */
|
|
case 0x3:
|
|
case 0x7:
|
|
case 0xB:
|
|
case 0xD:
|
|
case 0xE:
|
|
case 0xF:
|
|
asc_dvc->cfg->termination |= (TERM_CTL_H | TERM_CTL_L);
|
|
break;
|
|
|
|
/* TERM_CTL_H: on, TERM_CTL_L: off */
|
|
case 0x1:
|
|
case 0x5:
|
|
case 0x9:
|
|
case 0xA:
|
|
case 0xC:
|
|
asc_dvc->cfg->termination |= TERM_CTL_H;
|
|
break;
|
|
|
|
/* TERM_CTL_H: off, TERM_CTL_L: off */
|
|
case 0x2:
|
|
case 0x6:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Clear any set TERM_CTL_H and TERM_CTL_L bits.
|
|
*/
|
|
scsi_cfg1 &= ~TERM_CTL;
|
|
|
|
/*
|
|
* Invert the TERM_CTL_H and TERM_CTL_L bits and then
|
|
* set 'scsi_cfg1'. The TERM_POL bit does not need to be
|
|
* referenced, because the hardware internally inverts
|
|
* the Termination High and Low bits if TERM_POL is set.
|
|
*/
|
|
scsi_cfg1 |= (TERM_CTL_SEL | (~asc_dvc->cfg->termination & TERM_CTL));
|
|
|
|
/*
|
|
* Set SCSI_CFG1 Microcode Default Value
|
|
*
|
|
* Set filter value and possibly modified termination control
|
|
* bits in the Microcode SCSI_CFG1 Register Value.
|
|
*
|
|
* The microcode will set the SCSI_CFG1 register using this value
|
|
* after it is started below.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1,
|
|
FLTR_DISABLE | scsi_cfg1);
|
|
|
|
/*
|
|
* Set MEM_CFG Microcode Default Value
|
|
*
|
|
* The microcode will set the MEM_CFG register using this value
|
|
* after it is started below.
|
|
*
|
|
* MEM_CFG may be accessed as a word or byte, but only bits 0-7
|
|
* are defined.
|
|
*
|
|
* ASC-3550 has 8KB internal memory.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
|
|
BIOS_EN | RAM_SZ_8KB);
|
|
|
|
/*
|
|
* Set SEL_MASK Microcode Default Value
|
|
*
|
|
* The microcode will set the SEL_MASK register using this value
|
|
* after it is started below.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
|
|
ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
|
|
|
|
AdvBuildCarrierFreelist(asc_dvc);
|
|
|
|
/*
|
|
* Set-up the Host->RISC Initiator Command Queue (ICQ).
|
|
*/
|
|
|
|
asc_dvc->icq_sp = adv_get_next_carrier(asc_dvc);
|
|
if (!asc_dvc->icq_sp) {
|
|
asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* Set RISC ICQ physical address start value.
|
|
*/
|
|
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
|
|
|
|
/*
|
|
* Set-up the RISC->Host Initiator Response Queue (IRQ).
|
|
*/
|
|
asc_dvc->irq_sp = adv_get_next_carrier(asc_dvc);
|
|
if (!asc_dvc->irq_sp) {
|
|
asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* Set RISC IRQ physical address start value.
|
|
*/
|
|
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
|
|
asc_dvc->carr_pending_cnt = 0;
|
|
|
|
AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
|
|
(ADV_INTR_ENABLE_HOST_INTR |
|
|
ADV_INTR_ENABLE_GLOBAL_INTR));
|
|
|
|
AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
|
|
AdvWriteWordRegister(iop_base, IOPW_PC, word);
|
|
|
|
/* finally, finally, gentlemen, start your engine */
|
|
AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
|
|
|
|
/*
|
|
* Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
|
|
* Resets should be performed. The RISC has to be running
|
|
* to issue a SCSI Bus Reset.
|
|
*/
|
|
if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
|
|
/*
|
|
* If the BIOS Signature is present in memory, restore the
|
|
* BIOS Handshake Configuration Table and do not perform
|
|
* a SCSI Bus Reset.
|
|
*/
|
|
if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
|
|
0x55AA) {
|
|
/*
|
|
* Restore per TID negotiated values.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
|
|
AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
|
|
tagqng_able);
|
|
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
|
|
AdvWriteByteLram(iop_base,
|
|
ASC_MC_NUMBER_OF_MAX_CMD + tid,
|
|
max_cmd[tid]);
|
|
}
|
|
} else {
|
|
if (AdvResetSB(asc_dvc) != ADV_TRUE) {
|
|
warn_code = ASC_WARN_BUSRESET_ERROR;
|
|
}
|
|
}
|
|
}
|
|
|
|
return warn_code;
|
|
}
|
|
|
|
/*
|
|
* Initialize the ASC-38C0800.
|
|
*
|
|
* On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
|
|
*
|
|
* For a non-fatal error return a warning code. If there are no warnings
|
|
* then 0 is returned.
|
|
*
|
|
* Needed after initialization for error recovery.
|
|
*/
|
|
static int AdvInitAsc38C0800Driver(ADV_DVC_VAR *asc_dvc)
|
|
{
|
|
const struct firmware *fw;
|
|
const char fwname[] = "advansys/38C0800.bin";
|
|
AdvPortAddr iop_base;
|
|
ushort warn_code;
|
|
int begin_addr;
|
|
int end_addr;
|
|
ushort code_sum;
|
|
int word;
|
|
int i;
|
|
int err;
|
|
unsigned long chksum;
|
|
ushort scsi_cfg1;
|
|
uchar byte;
|
|
uchar tid;
|
|
ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */
|
|
ushort wdtr_able, sdtr_able, tagqng_able;
|
|
uchar max_cmd[ADV_MAX_TID + 1];
|
|
|
|
/* If there is already an error, don't continue. */
|
|
if (asc_dvc->err_code != 0)
|
|
return ADV_ERROR;
|
|
|
|
/*
|
|
* The caller must set 'chip_type' to ADV_CHIP_ASC38C0800.
|
|
*/
|
|
if (asc_dvc->chip_type != ADV_CHIP_ASC38C0800) {
|
|
asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
warn_code = 0;
|
|
iop_base = asc_dvc->iop_base;
|
|
|
|
/*
|
|
* Save the RISC memory BIOS region before writing the microcode.
|
|
* The BIOS may already be loaded and using its RISC LRAM region
|
|
* so its region must be saved and restored.
|
|
*
|
|
* Note: This code makes the assumption, which is currently true,
|
|
* that a chip reset does not clear RISC LRAM.
|
|
*/
|
|
for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
|
|
AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
|
|
bios_mem[i]);
|
|
}
|
|
|
|
/*
|
|
* Save current per TID negotiated values.
|
|
*/
|
|
AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
|
|
AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
|
|
AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
|
|
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
|
|
AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
|
|
max_cmd[tid]);
|
|
}
|
|
|
|
/*
|
|
* RAM BIST (RAM Built-In Self Test)
|
|
*
|
|
* Address : I/O base + offset 0x38h register (byte).
|
|
* Function: Bit 7-6(RW) : RAM mode
|
|
* Normal Mode : 0x00
|
|
* Pre-test Mode : 0x40
|
|
* RAM Test Mode : 0x80
|
|
* Bit 5 : unused
|
|
* Bit 4(RO) : Done bit
|
|
* Bit 3-0(RO) : Status
|
|
* Host Error : 0x08
|
|
* Int_RAM Error : 0x04
|
|
* RISC Error : 0x02
|
|
* SCSI Error : 0x01
|
|
* No Error : 0x00
|
|
*
|
|
* Note: RAM BIST code should be put right here, before loading the
|
|
* microcode and after saving the RISC memory BIOS region.
|
|
*/
|
|
|
|
/*
|
|
* LRAM Pre-test
|
|
*
|
|
* Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds.
|
|
* If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return
|
|
* an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset
|
|
* to NORMAL_MODE, return an error too.
|
|
*/
|
|
for (i = 0; i < 2; i++) {
|
|
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE);
|
|
mdelay(10); /* Wait for 10ms before reading back. */
|
|
byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
|
|
if ((byte & RAM_TEST_DONE) == 0
|
|
|| (byte & 0x0F) != PRE_TEST_VALUE) {
|
|
asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
|
|
mdelay(10); /* Wait for 10ms before reading back. */
|
|
if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
|
|
!= NORMAL_VALUE) {
|
|
asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
|
|
return ADV_ERROR;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* LRAM Test - It takes about 1.5 ms to run through the test.
|
|
*
|
|
* Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds.
|
|
* If Done bit not set or Status not 0, save register byte, set the
|
|
* err_code, and return an error.
|
|
*/
|
|
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE);
|
|
mdelay(10); /* Wait for 10ms before checking status. */
|
|
|
|
byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
|
|
if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
|
|
/* Get here if Done bit not set or Status not 0. */
|
|
asc_dvc->bist_err_code = byte; /* for BIOS display message */
|
|
asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/* We need to reset back to normal mode after LRAM test passes. */
|
|
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
|
|
|
|
err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
|
|
if (err) {
|
|
printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
|
|
fwname, err);
|
|
asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
|
|
return err;
|
|
}
|
|
if (fw->size < 4) {
|
|
printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
|
|
fw->size, fwname);
|
|
release_firmware(fw);
|
|
asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
|
|
return -EINVAL;
|
|
}
|
|
chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
|
|
(fw->data[1] << 8) | fw->data[0];
|
|
asc_dvc->err_code = AdvLoadMicrocode(iop_base, &fw->data[4],
|
|
fw->size - 4, ADV_38C0800_MEMSIZE,
|
|
chksum);
|
|
release_firmware(fw);
|
|
if (asc_dvc->err_code)
|
|
return ADV_ERROR;
|
|
|
|
/*
|
|
* Restore the RISC memory BIOS region.
|
|
*/
|
|
for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
|
|
AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
|
|
bios_mem[i]);
|
|
}
|
|
|
|
/*
|
|
* Calculate and write the microcode code checksum to the microcode
|
|
* code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
|
|
*/
|
|
AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
|
|
AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
|
|
code_sum = 0;
|
|
AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
|
|
for (word = begin_addr; word < end_addr; word += 2) {
|
|
code_sum += AdvReadWordAutoIncLram(iop_base);
|
|
}
|
|
AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
|
|
|
|
/*
|
|
* Read microcode version and date.
|
|
*/
|
|
AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
|
|
asc_dvc->cfg->mcode_date);
|
|
AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
|
|
asc_dvc->cfg->mcode_version);
|
|
|
|
/*
|
|
* Set the chip type to indicate the ASC38C0800.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C0800);
|
|
|
|
/*
|
|
* Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register.
|
|
* When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current
|
|
* cable detection and then we are able to read C_DET[3:0].
|
|
*
|
|
* Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1
|
|
* Microcode Default Value' section below.
|
|
*/
|
|
scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
|
|
AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1,
|
|
scsi_cfg1 | DIS_TERM_DRV);
|
|
|
|
/*
|
|
* If the PCI Configuration Command Register "Parity Error Response
|
|
* Control" Bit was clear (0), then set the microcode variable
|
|
* 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
|
|
* to ignore DMA parity errors.
|
|
*/
|
|
if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
|
|
AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
|
|
word |= CONTROL_FLAG_IGNORE_PERR;
|
|
AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
|
|
}
|
|
|
|
/*
|
|
* For ASC-38C0800, set FIFO_THRESH_80B [6:4] bits and START_CTL_TH [3:2]
|
|
* bits for the default FIFO threshold.
|
|
*
|
|
* Note: ASC-38C0800 FIFO threshold has been changed to 256 bytes.
|
|
*
|
|
* For DMA Errata #4 set the BC_THRESH_ENB bit.
|
|
*/
|
|
AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
|
|
BC_THRESH_ENB | FIFO_THRESH_80B | START_CTL_TH |
|
|
READ_CMD_MRM);
|
|
|
|
/*
|
|
* Microcode operating variables for WDTR, SDTR, and command tag
|
|
* queuing will be set in slave_configure() based on what a
|
|
* device reports it is capable of in Inquiry byte 7.
|
|
*
|
|
* If SCSI Bus Resets have been disabled, then directly set
|
|
* SDTR and WDTR from the EEPROM configuration. This will allow
|
|
* the BIOS and warm boot to work without a SCSI bus hang on
|
|
* the Inquiry caused by host and target mismatched DTR values.
|
|
* Without the SCSI Bus Reset, before an Inquiry a device can't
|
|
* be assumed to be in Asynchronous, Narrow mode.
|
|
*/
|
|
if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
|
|
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
|
|
asc_dvc->wdtr_able);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
|
|
asc_dvc->sdtr_able);
|
|
}
|
|
|
|
/*
|
|
* Set microcode operating variables for DISC and SDTR_SPEED1,
|
|
* SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM
|
|
* configuration values.
|
|
*
|
|
* The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
|
|
* SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
|
|
* without determining here whether the device supports SDTR.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
|
|
asc_dvc->cfg->disc_enable);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4);
|
|
|
|
/*
|
|
* Set SCSI_CFG0 Microcode Default Value.
|
|
*
|
|
* The microcode will set the SCSI_CFG0 register using this value
|
|
* after it is started below.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
|
|
PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
|
|
asc_dvc->chip_scsi_id);
|
|
|
|
/*
|
|
* Determine SCSI_CFG1 Microcode Default Value.
|
|
*
|
|
* The microcode will set the SCSI_CFG1 register using this value
|
|
* after it is started below.
|
|
*/
|
|
|
|
/* Read current SCSI_CFG1 Register value. */
|
|
scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
|
|
|
|
/*
|
|
* If the internal narrow cable is reversed all of the SCSI_CTRL
|
|
* register signals will be set. Check for and return an error if
|
|
* this condition is found.
|
|
*/
|
|
if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
|
|
asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* All kind of combinations of devices attached to one of four
|
|
* connectors are acceptable except HVD device attached. For example,
|
|
* LVD device can be attached to SE connector while SE device attached
|
|
* to LVD connector. If LVD device attached to SE connector, it only
|
|
* runs up to Ultra speed.
|
|
*
|
|
* If an HVD device is attached to one of LVD connectors, return an
|
|
* error. However, there is no way to detect HVD device attached to
|
|
* SE connectors.
|
|
*/
|
|
if (scsi_cfg1 & HVD) {
|
|
asc_dvc->err_code = ASC_IERR_HVD_DEVICE;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* If either SE or LVD automatic termination control is enabled, then
|
|
* set the termination value based on a table listed in a_condor.h.
|
|
*
|
|
* If manual termination was specified with an EEPROM setting then
|
|
* 'termination' was set-up in AdvInitFrom38C0800EEPROM() and is ready
|
|
* to be 'ored' into SCSI_CFG1.
|
|
*/
|
|
if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
|
|
/* SE automatic termination control is enabled. */
|
|
switch (scsi_cfg1 & C_DET_SE) {
|
|
/* TERM_SE_HI: on, TERM_SE_LO: on */
|
|
case 0x1:
|
|
case 0x2:
|
|
case 0x3:
|
|
asc_dvc->cfg->termination |= TERM_SE;
|
|
break;
|
|
|
|
/* TERM_SE_HI: on, TERM_SE_LO: off */
|
|
case 0x0:
|
|
asc_dvc->cfg->termination |= TERM_SE_HI;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((asc_dvc->cfg->termination & TERM_LVD) == 0) {
|
|
/* LVD automatic termination control is enabled. */
|
|
switch (scsi_cfg1 & C_DET_LVD) {
|
|
/* TERM_LVD_HI: on, TERM_LVD_LO: on */
|
|
case 0x4:
|
|
case 0x8:
|
|
case 0xC:
|
|
asc_dvc->cfg->termination |= TERM_LVD;
|
|
break;
|
|
|
|
/* TERM_LVD_HI: off, TERM_LVD_LO: off */
|
|
case 0x0:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Clear any set TERM_SE and TERM_LVD bits.
|
|
*/
|
|
scsi_cfg1 &= (~TERM_SE & ~TERM_LVD);
|
|
|
|
/*
|
|
* Invert the TERM_SE and TERM_LVD bits and then set 'scsi_cfg1'.
|
|
*/
|
|
scsi_cfg1 |= (~asc_dvc->cfg->termination & 0xF0);
|
|
|
|
/*
|
|
* Clear BIG_ENDIAN, DIS_TERM_DRV, Terminator Polarity and HVD/LVD/SE
|
|
* bits and set possibly modified termination control bits in the
|
|
* Microcode SCSI_CFG1 Register Value.
|
|
*/
|
|
scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL & ~HVD_LVD_SE);
|
|
|
|
/*
|
|
* Set SCSI_CFG1 Microcode Default Value
|
|
*
|
|
* Set possibly modified termination control and reset DIS_TERM_DRV
|
|
* bits in the Microcode SCSI_CFG1 Register Value.
|
|
*
|
|
* The microcode will set the SCSI_CFG1 register using this value
|
|
* after it is started below.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1);
|
|
|
|
/*
|
|
* Set MEM_CFG Microcode Default Value
|
|
*
|
|
* The microcode will set the MEM_CFG register using this value
|
|
* after it is started below.
|
|
*
|
|
* MEM_CFG may be accessed as a word or byte, but only bits 0-7
|
|
* are defined.
|
|
*
|
|
* ASC-38C0800 has 16KB internal memory.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
|
|
BIOS_EN | RAM_SZ_16KB);
|
|
|
|
/*
|
|
* Set SEL_MASK Microcode Default Value
|
|
*
|
|
* The microcode will set the SEL_MASK register using this value
|
|
* after it is started below.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
|
|
ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
|
|
|
|
AdvBuildCarrierFreelist(asc_dvc);
|
|
|
|
/*
|
|
* Set-up the Host->RISC Initiator Command Queue (ICQ).
|
|
*/
|
|
|
|
asc_dvc->icq_sp = adv_get_next_carrier(asc_dvc);
|
|
if (!asc_dvc->icq_sp) {
|
|
ASC_DBG(0, "Failed to get ICQ carrier\n");
|
|
asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* Set RISC ICQ physical address start value.
|
|
* carr_pa is LE, must be native before write
|
|
*/
|
|
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
|
|
|
|
/*
|
|
* Set-up the RISC->Host Initiator Response Queue (IRQ).
|
|
*/
|
|
asc_dvc->irq_sp = adv_get_next_carrier(asc_dvc);
|
|
if (!asc_dvc->irq_sp) {
|
|
ASC_DBG(0, "Failed to get IRQ carrier\n");
|
|
asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* Set RISC IRQ physical address start value.
|
|
*
|
|
* carr_pa is LE, must be native before write *
|
|
*/
|
|
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
|
|
asc_dvc->carr_pending_cnt = 0;
|
|
|
|
AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
|
|
(ADV_INTR_ENABLE_HOST_INTR |
|
|
ADV_INTR_ENABLE_GLOBAL_INTR));
|
|
|
|
AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
|
|
AdvWriteWordRegister(iop_base, IOPW_PC, word);
|
|
|
|
/* finally, finally, gentlemen, start your engine */
|
|
AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
|
|
|
|
/*
|
|
* Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
|
|
* Resets should be performed. The RISC has to be running
|
|
* to issue a SCSI Bus Reset.
|
|
*/
|
|
if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
|
|
/*
|
|
* If the BIOS Signature is present in memory, restore the
|
|
* BIOS Handshake Configuration Table and do not perform
|
|
* a SCSI Bus Reset.
|
|
*/
|
|
if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
|
|
0x55AA) {
|
|
/*
|
|
* Restore per TID negotiated values.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
|
|
AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
|
|
tagqng_able);
|
|
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
|
|
AdvWriteByteLram(iop_base,
|
|
ASC_MC_NUMBER_OF_MAX_CMD + tid,
|
|
max_cmd[tid]);
|
|
}
|
|
} else {
|
|
if (AdvResetSB(asc_dvc) != ADV_TRUE) {
|
|
warn_code = ASC_WARN_BUSRESET_ERROR;
|
|
}
|
|
}
|
|
}
|
|
|
|
return warn_code;
|
|
}
|
|
|
|
/*
|
|
* Initialize the ASC-38C1600.
|
|
*
|
|
* On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR.
|
|
*
|
|
* For a non-fatal error return a warning code. If there are no warnings
|
|
* then 0 is returned.
|
|
*
|
|
* Needed after initialization for error recovery.
|
|
*/
|
|
static int AdvInitAsc38C1600Driver(ADV_DVC_VAR *asc_dvc)
|
|
{
|
|
const struct firmware *fw;
|
|
const char fwname[] = "advansys/38C1600.bin";
|
|
AdvPortAddr iop_base;
|
|
ushort warn_code;
|
|
int begin_addr;
|
|
int end_addr;
|
|
ushort code_sum;
|
|
long word;
|
|
int i;
|
|
int err;
|
|
unsigned long chksum;
|
|
ushort scsi_cfg1;
|
|
uchar byte;
|
|
uchar tid;
|
|
ushort bios_mem[ASC_MC_BIOSLEN / 2]; /* BIOS RISC Memory 0x40-0x8F. */
|
|
ushort wdtr_able, sdtr_able, ppr_able, tagqng_able;
|
|
uchar max_cmd[ASC_MAX_TID + 1];
|
|
|
|
/* If there is already an error, don't continue. */
|
|
if (asc_dvc->err_code != 0) {
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* The caller must set 'chip_type' to ADV_CHIP_ASC38C1600.
|
|
*/
|
|
if (asc_dvc->chip_type != ADV_CHIP_ASC38C1600) {
|
|
asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
warn_code = 0;
|
|
iop_base = asc_dvc->iop_base;
|
|
|
|
/*
|
|
* Save the RISC memory BIOS region before writing the microcode.
|
|
* The BIOS may already be loaded and using its RISC LRAM region
|
|
* so its region must be saved and restored.
|
|
*
|
|
* Note: This code makes the assumption, which is currently true,
|
|
* that a chip reset does not clear RISC LRAM.
|
|
*/
|
|
for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
|
|
AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
|
|
bios_mem[i]);
|
|
}
|
|
|
|
/*
|
|
* Save current per TID negotiated values.
|
|
*/
|
|
AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
|
|
AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
|
|
AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
|
|
AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
|
|
for (tid = 0; tid <= ASC_MAX_TID; tid++) {
|
|
AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
|
|
max_cmd[tid]);
|
|
}
|
|
|
|
/*
|
|
* RAM BIST (Built-In Self Test)
|
|
*
|
|
* Address : I/O base + offset 0x38h register (byte).
|
|
* Function: Bit 7-6(RW) : RAM mode
|
|
* Normal Mode : 0x00
|
|
* Pre-test Mode : 0x40
|
|
* RAM Test Mode : 0x80
|
|
* Bit 5 : unused
|
|
* Bit 4(RO) : Done bit
|
|
* Bit 3-0(RO) : Status
|
|
* Host Error : 0x08
|
|
* Int_RAM Error : 0x04
|
|
* RISC Error : 0x02
|
|
* SCSI Error : 0x01
|
|
* No Error : 0x00
|
|
*
|
|
* Note: RAM BIST code should be put right here, before loading the
|
|
* microcode and after saving the RISC memory BIOS region.
|
|
*/
|
|
|
|
/*
|
|
* LRAM Pre-test
|
|
*
|
|
* Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds.
|
|
* If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return
|
|
* an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset
|
|
* to NORMAL_MODE, return an error too.
|
|
*/
|
|
for (i = 0; i < 2; i++) {
|
|
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE);
|
|
mdelay(10); /* Wait for 10ms before reading back. */
|
|
byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
|
|
if ((byte & RAM_TEST_DONE) == 0
|
|
|| (byte & 0x0F) != PRE_TEST_VALUE) {
|
|
asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
|
|
mdelay(10); /* Wait for 10ms before reading back. */
|
|
if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
|
|
!= NORMAL_VALUE) {
|
|
asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
|
|
return ADV_ERROR;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* LRAM Test - It takes about 1.5 ms to run through the test.
|
|
*
|
|
* Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds.
|
|
* If Done bit not set or Status not 0, save register byte, set the
|
|
* err_code, and return an error.
|
|
*/
|
|
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE);
|
|
mdelay(10); /* Wait for 10ms before checking status. */
|
|
|
|
byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
|
|
if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
|
|
/* Get here if Done bit not set or Status not 0. */
|
|
asc_dvc->bist_err_code = byte; /* for BIOS display message */
|
|
asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/* We need to reset back to normal mode after LRAM test passes. */
|
|
AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
|
|
|
|
err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
|
|
if (err) {
|
|
printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
|
|
fwname, err);
|
|
asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
|
|
return err;
|
|
}
|
|
if (fw->size < 4) {
|
|
printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
|
|
fw->size, fwname);
|
|
release_firmware(fw);
|
|
asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
|
|
return -EINVAL;
|
|
}
|
|
chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
|
|
(fw->data[1] << 8) | fw->data[0];
|
|
asc_dvc->err_code = AdvLoadMicrocode(iop_base, &fw->data[4],
|
|
fw->size - 4, ADV_38C1600_MEMSIZE,
|
|
chksum);
|
|
release_firmware(fw);
|
|
if (asc_dvc->err_code)
|
|
return ADV_ERROR;
|
|
|
|
/*
|
|
* Restore the RISC memory BIOS region.
|
|
*/
|
|
for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
|
|
AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
|
|
bios_mem[i]);
|
|
}
|
|
|
|
/*
|
|
* Calculate and write the microcode code checksum to the microcode
|
|
* code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
|
|
*/
|
|
AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
|
|
AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
|
|
code_sum = 0;
|
|
AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
|
|
for (word = begin_addr; word < end_addr; word += 2) {
|
|
code_sum += AdvReadWordAutoIncLram(iop_base);
|
|
}
|
|
AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);
|
|
|
|
/*
|
|
* Read microcode version and date.
|
|
*/
|
|
AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
|
|
asc_dvc->cfg->mcode_date);
|
|
AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
|
|
asc_dvc->cfg->mcode_version);
|
|
|
|
/*
|
|
* Set the chip type to indicate the ASC38C1600.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C1600);
|
|
|
|
/*
|
|
* Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register.
|
|
* When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current
|
|
* cable detection and then we are able to read C_DET[3:0].
|
|
*
|
|
* Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1
|
|
* Microcode Default Value' section below.
|
|
*/
|
|
scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
|
|
AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1,
|
|
scsi_cfg1 | DIS_TERM_DRV);
|
|
|
|
/*
|
|
* If the PCI Configuration Command Register "Parity Error Response
|
|
* Control" Bit was clear (0), then set the microcode variable
|
|
* 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
|
|
* to ignore DMA parity errors.
|
|
*/
|
|
if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
|
|
AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
|
|
word |= CONTROL_FLAG_IGNORE_PERR;
|
|
AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
|
|
}
|
|
|
|
/*
|
|
* If the BIOS control flag AIPP (Asynchronous Information
|
|
* Phase Protection) disable bit is not set, then set the firmware
|
|
* 'control_flag' CONTROL_FLAG_ENABLE_AIPP bit to enable
|
|
* AIPP checking and encoding.
|
|
*/
|
|
if ((asc_dvc->bios_ctrl & BIOS_CTRL_AIPP_DIS) == 0) {
|
|
AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
|
|
word |= CONTROL_FLAG_ENABLE_AIPP;
|
|
AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
|
|
}
|
|
|
|
/*
|
|
* For ASC-38C1600 use DMA_CFG0 default values: FIFO_THRESH_80B [6:4],
|
|
* and START_CTL_TH [3:2].
|
|
*/
|
|
AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
|
|
FIFO_THRESH_80B | START_CTL_TH | READ_CMD_MRM);
|
|
|
|
/*
|
|
* Microcode operating variables for WDTR, SDTR, and command tag
|
|
* queuing will be set in slave_configure() based on what a
|
|
* device reports it is capable of in Inquiry byte 7.
|
|
*
|
|
* If SCSI Bus Resets have been disabled, then directly set
|
|
* SDTR and WDTR from the EEPROM configuration. This will allow
|
|
* the BIOS and warm boot to work without a SCSI bus hang on
|
|
* the Inquiry caused by host and target mismatched DTR values.
|
|
* Without the SCSI Bus Reset, before an Inquiry a device can't
|
|
* be assumed to be in Asynchronous, Narrow mode.
|
|
*/
|
|
if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
|
|
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
|
|
asc_dvc->wdtr_able);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
|
|
asc_dvc->sdtr_able);
|
|
}
|
|
|
|
/*
|
|
* Set microcode operating variables for DISC and SDTR_SPEED1,
|
|
* SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM
|
|
* configuration values.
|
|
*
|
|
* The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
|
|
* SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
|
|
* without determining here whether the device supports SDTR.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
|
|
asc_dvc->cfg->disc_enable);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4);
|
|
|
|
/*
|
|
* Set SCSI_CFG0 Microcode Default Value.
|
|
*
|
|
* The microcode will set the SCSI_CFG0 register using this value
|
|
* after it is started below.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
|
|
PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
|
|
asc_dvc->chip_scsi_id);
|
|
|
|
/*
|
|
* Calculate SCSI_CFG1 Microcode Default Value.
|
|
*
|
|
* The microcode will set the SCSI_CFG1 register using this value
|
|
* after it is started below.
|
|
*
|
|
* Each ASC-38C1600 function has only two cable detect bits.
|
|
* The bus mode override bits are in IOPB_SOFT_OVER_WR.
|
|
*/
|
|
scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
|
|
|
|
/*
|
|
* If the cable is reversed all of the SCSI_CTRL register signals
|
|
* will be set. Check for and return an error if this condition is
|
|
* found.
|
|
*/
|
|
if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
|
|
asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* Each ASC-38C1600 function has two connectors. Only an HVD device
|
|
* can not be connected to either connector. An LVD device or SE device
|
|
* may be connected to either connecor. If an SE device is connected,
|
|
* then at most Ultra speed (20 Mhz) can be used on both connectors.
|
|
*
|
|
* If an HVD device is attached, return an error.
|
|
*/
|
|
if (scsi_cfg1 & HVD) {
|
|
asc_dvc->err_code |= ASC_IERR_HVD_DEVICE;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* Each function in the ASC-38C1600 uses only the SE cable detect and
|
|
* termination because there are two connectors for each function. Each
|
|
* function may use either LVD or SE mode. Corresponding the SE automatic
|
|
* termination control EEPROM bits are used for each function. Each
|
|
* function has its own EEPROM. If SE automatic control is enabled for
|
|
* the function, then set the termination value based on a table listed
|
|
* in a_condor.h.
|
|
*
|
|
* If manual termination is specified in the EEPROM for the function,
|
|
* then 'termination' was set-up in AscInitFrom38C1600EEPROM() and is
|
|
* ready to be 'ored' into SCSI_CFG1.
|
|
*/
|
|
if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
|
|
struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc);
|
|
/* SE automatic termination control is enabled. */
|
|
switch (scsi_cfg1 & C_DET_SE) {
|
|
/* TERM_SE_HI: on, TERM_SE_LO: on */
|
|
case 0x1:
|
|
case 0x2:
|
|
case 0x3:
|
|
asc_dvc->cfg->termination |= TERM_SE;
|
|
break;
|
|
|
|
case 0x0:
|
|
if (PCI_FUNC(pdev->devfn) == 0) {
|
|
/* Function 0 - TERM_SE_HI: off, TERM_SE_LO: off */
|
|
} else {
|
|
/* Function 1 - TERM_SE_HI: on, TERM_SE_LO: off */
|
|
asc_dvc->cfg->termination |= TERM_SE_HI;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Clear any set TERM_SE bits.
|
|
*/
|
|
scsi_cfg1 &= ~TERM_SE;
|
|
|
|
/*
|
|
* Invert the TERM_SE bits and then set 'scsi_cfg1'.
|
|
*/
|
|
scsi_cfg1 |= (~asc_dvc->cfg->termination & TERM_SE);
|
|
|
|
/*
|
|
* Clear Big Endian and Terminator Polarity bits and set possibly
|
|
* modified termination control bits in the Microcode SCSI_CFG1
|
|
* Register Value.
|
|
*
|
|
* Big Endian bit is not used even on big endian machines.
|
|
*/
|
|
scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL);
|
|
|
|
/*
|
|
* Set SCSI_CFG1 Microcode Default Value
|
|
*
|
|
* Set possibly modified termination control bits in the Microcode
|
|
* SCSI_CFG1 Register Value.
|
|
*
|
|
* The microcode will set the SCSI_CFG1 register using this value
|
|
* after it is started below.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1);
|
|
|
|
/*
|
|
* Set MEM_CFG Microcode Default Value
|
|
*
|
|
* The microcode will set the MEM_CFG register using this value
|
|
* after it is started below.
|
|
*
|
|
* MEM_CFG may be accessed as a word or byte, but only bits 0-7
|
|
* are defined.
|
|
*
|
|
* ASC-38C1600 has 32KB internal memory.
|
|
*
|
|
* XXX - Since ASC38C1600 Rev.3 has a Local RAM failure issue, we come
|
|
* out a special 16K Adv Library and Microcode version. After the issue
|
|
* resolved, we should turn back to the 32K support. Both a_condor.h and
|
|
* mcode.sas files also need to be updated.
|
|
*
|
|
* AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
|
|
* BIOS_EN | RAM_SZ_32KB);
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
|
|
BIOS_EN | RAM_SZ_16KB);
|
|
|
|
/*
|
|
* Set SEL_MASK Microcode Default Value
|
|
*
|
|
* The microcode will set the SEL_MASK register using this value
|
|
* after it is started below.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
|
|
ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
|
|
|
|
AdvBuildCarrierFreelist(asc_dvc);
|
|
|
|
/*
|
|
* Set-up the Host->RISC Initiator Command Queue (ICQ).
|
|
*/
|
|
asc_dvc->icq_sp = adv_get_next_carrier(asc_dvc);
|
|
if (!asc_dvc->icq_sp) {
|
|
asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* Set RISC ICQ physical address start value. Initialize the
|
|
* COMMA register to the same value otherwise the RISC will
|
|
* prematurely detect a command is available.
|
|
*/
|
|
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
|
|
AdvWriteDWordRegister(iop_base, IOPDW_COMMA,
|
|
le32_to_cpu(asc_dvc->icq_sp->carr_pa));
|
|
|
|
/*
|
|
* Set-up the RISC->Host Initiator Response Queue (IRQ).
|
|
*/
|
|
asc_dvc->irq_sp = adv_get_next_carrier(asc_dvc);
|
|
if (!asc_dvc->irq_sp) {
|
|
asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* Set RISC IRQ physical address start value.
|
|
*/
|
|
AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
|
|
asc_dvc->carr_pending_cnt = 0;
|
|
|
|
AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
|
|
(ADV_INTR_ENABLE_HOST_INTR |
|
|
ADV_INTR_ENABLE_GLOBAL_INTR));
|
|
AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
|
|
AdvWriteWordRegister(iop_base, IOPW_PC, word);
|
|
|
|
/* finally, finally, gentlemen, start your engine */
|
|
AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);
|
|
|
|
/*
|
|
* Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
|
|
* Resets should be performed. The RISC has to be running
|
|
* to issue a SCSI Bus Reset.
|
|
*/
|
|
if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
|
|
/*
|
|
* If the BIOS Signature is present in memory, restore the
|
|
* per TID microcode operating variables.
|
|
*/
|
|
if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
|
|
0x55AA) {
|
|
/*
|
|
* Restore per TID negotiated values.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
|
|
AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
|
|
AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
|
|
tagqng_able);
|
|
for (tid = 0; tid <= ASC_MAX_TID; tid++) {
|
|
AdvWriteByteLram(iop_base,
|
|
ASC_MC_NUMBER_OF_MAX_CMD + tid,
|
|
max_cmd[tid]);
|
|
}
|
|
} else {
|
|
if (AdvResetSB(asc_dvc) != ADV_TRUE) {
|
|
warn_code = ASC_WARN_BUSRESET_ERROR;
|
|
}
|
|
}
|
|
}
|
|
|
|
return warn_code;
|
|
}
|
|
|
|
/*
|
|
* Reset chip and SCSI Bus.
|
|
*
|
|
* Return Value:
|
|
* ADV_TRUE(1) - Chip re-initialization and SCSI Bus Reset successful.
|
|
* ADV_FALSE(0) - Chip re-initialization and SCSI Bus Reset failure.
|
|
*/
|
|
static int AdvResetChipAndSB(ADV_DVC_VAR *asc_dvc)
|
|
{
|
|
int status;
|
|
ushort wdtr_able, sdtr_able, tagqng_able;
|
|
ushort ppr_able = 0;
|
|
uchar tid, max_cmd[ADV_MAX_TID + 1];
|
|
AdvPortAddr iop_base;
|
|
ushort bios_sig;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
|
|
/*
|
|
* Save current per TID negotiated values.
|
|
*/
|
|
AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
|
|
AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
|
|
if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
|
|
AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
|
|
}
|
|
AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
|
|
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
|
|
AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
|
|
max_cmd[tid]);
|
|
}
|
|
|
|
/*
|
|
* Force the AdvInitAsc3550/38C0800Driver() function to
|
|
* perform a SCSI Bus Reset by clearing the BIOS signature word.
|
|
* The initialization functions assumes a SCSI Bus Reset is not
|
|
* needed if the BIOS signature word is present.
|
|
*/
|
|
AdvReadWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig);
|
|
AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, 0);
|
|
|
|
/*
|
|
* Stop chip and reset it.
|
|
*/
|
|
AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_STOP);
|
|
AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, ADV_CTRL_REG_CMD_RESET);
|
|
mdelay(100);
|
|
AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
|
|
ADV_CTRL_REG_CMD_WR_IO_REG);
|
|
|
|
/*
|
|
* Reset Adv Library error code, if any, and try
|
|
* re-initializing the chip.
|
|
*/
|
|
asc_dvc->err_code = 0;
|
|
if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
|
|
status = AdvInitAsc38C1600Driver(asc_dvc);
|
|
} else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
|
|
status = AdvInitAsc38C0800Driver(asc_dvc);
|
|
} else {
|
|
status = AdvInitAsc3550Driver(asc_dvc);
|
|
}
|
|
|
|
/* Translate initialization return value to status value. */
|
|
if (status == 0) {
|
|
status = ADV_TRUE;
|
|
} else {
|
|
status = ADV_FALSE;
|
|
}
|
|
|
|
/*
|
|
* Restore the BIOS signature word.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig);
|
|
|
|
/*
|
|
* Restore per TID negotiated values.
|
|
*/
|
|
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
|
|
if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
|
|
AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
|
|
}
|
|
AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
|
|
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
|
|
AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
|
|
max_cmd[tid]);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* adv_async_callback() - Adv Library asynchronous event callback function.
|
|
*/
|
|
static void adv_async_callback(ADV_DVC_VAR *adv_dvc_varp, uchar code)
|
|
{
|
|
switch (code) {
|
|
case ADV_ASYNC_SCSI_BUS_RESET_DET:
|
|
/*
|
|
* The firmware detected a SCSI Bus reset.
|
|
*/
|
|
ASC_DBG(0, "ADV_ASYNC_SCSI_BUS_RESET_DET\n");
|
|
break;
|
|
|
|
case ADV_ASYNC_RDMA_FAILURE:
|
|
/*
|
|
* Handle RDMA failure by resetting the SCSI Bus and
|
|
* possibly the chip if it is unresponsive. Log the error
|
|
* with a unique code.
|
|
*/
|
|
ASC_DBG(0, "ADV_ASYNC_RDMA_FAILURE\n");
|
|
AdvResetChipAndSB(adv_dvc_varp);
|
|
break;
|
|
|
|
case ADV_HOST_SCSI_BUS_RESET:
|
|
/*
|
|
* Host generated SCSI bus reset occurred.
|
|
*/
|
|
ASC_DBG(0, "ADV_HOST_SCSI_BUS_RESET\n");
|
|
break;
|
|
|
|
default:
|
|
ASC_DBG(0, "unknown code 0x%x\n", code);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* adv_isr_callback() - Second Level Interrupt Handler called by AdvISR().
|
|
*
|
|
* Callback function for the Wide SCSI Adv Library.
|
|
*/
|
|
static void adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp)
|
|
{
|
|
struct asc_board *boardp = adv_dvc_varp->drv_ptr;
|
|
u32 srb_tag;
|
|
adv_req_t *reqp;
|
|
adv_sgblk_t *sgblkp;
|
|
struct scsi_cmnd *scp;
|
|
u32 resid_cnt;
|
|
dma_addr_t sense_addr;
|
|
|
|
ASC_DBG(1, "adv_dvc_varp 0x%p, scsiqp 0x%p\n",
|
|
adv_dvc_varp, scsiqp);
|
|
ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);
|
|
|
|
/*
|
|
* Get the adv_req_t structure for the command that has been
|
|
* completed. The adv_req_t structure actually contains the
|
|
* completed ADV_SCSI_REQ_Q structure.
|
|
*/
|
|
srb_tag = le32_to_cpu(scsiqp->srb_tag);
|
|
scp = scsi_host_find_tag(boardp->shost, scsiqp->srb_tag);
|
|
|
|
ASC_DBG(1, "scp 0x%p\n", scp);
|
|
if (scp == NULL) {
|
|
ASC_PRINT
|
|
("adv_isr_callback: scp is NULL; adv_req_t dropped.\n");
|
|
return;
|
|
}
|
|
ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);
|
|
|
|
reqp = (adv_req_t *)scp->host_scribble;
|
|
ASC_DBG(1, "reqp 0x%lx\n", (ulong)reqp);
|
|
if (reqp == NULL) {
|
|
ASC_PRINT("adv_isr_callback: reqp is NULL\n");
|
|
return;
|
|
}
|
|
/*
|
|
* Remove backreferences to avoid duplicate
|
|
* command completions.
|
|
*/
|
|
scp->host_scribble = NULL;
|
|
reqp->cmndp = NULL;
|
|
|
|
ASC_STATS(boardp->shost, callback);
|
|
ASC_DBG(1, "shost 0x%p\n", boardp->shost);
|
|
|
|
sense_addr = le32_to_cpu(scsiqp->sense_addr);
|
|
dma_unmap_single(boardp->dev, sense_addr,
|
|
SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
|
|
|
|
/*
|
|
* 'done_status' contains the command's ending status.
|
|
*/
|
|
switch (scsiqp->done_status) {
|
|
case QD_NO_ERROR:
|
|
ASC_DBG(2, "QD_NO_ERROR\n");
|
|
scp->result = 0;
|
|
|
|
/*
|
|
* Check for an underrun condition.
|
|
*
|
|
* If there was no error and an underrun condition, then
|
|
* then return the number of underrun bytes.
|
|
*/
|
|
resid_cnt = le32_to_cpu(scsiqp->data_cnt);
|
|
if (scsi_bufflen(scp) != 0 && resid_cnt != 0 &&
|
|
resid_cnt <= scsi_bufflen(scp)) {
|
|
ASC_DBG(1, "underrun condition %lu bytes\n",
|
|
(ulong)resid_cnt);
|
|
scsi_set_resid(scp, resid_cnt);
|
|
}
|
|
break;
|
|
|
|
case QD_WITH_ERROR:
|
|
ASC_DBG(2, "QD_WITH_ERROR\n");
|
|
switch (scsiqp->host_status) {
|
|
case QHSTA_NO_ERROR:
|
|
if (scsiqp->scsi_status == SAM_STAT_CHECK_CONDITION) {
|
|
ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n");
|
|
ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
|
|
SCSI_SENSE_BUFFERSIZE);
|
|
/*
|
|
* Note: The 'status_byte()' macro used by
|
|
* target drivers defined in scsi.h shifts the
|
|
* status byte returned by host drivers right
|
|
* by 1 bit. This is why target drivers also
|
|
* use right shifted status byte definitions.
|
|
* For instance target drivers use
|
|
* CHECK_CONDITION, defined to 0x1, instead of
|
|
* the SCSI defined check condition value of
|
|
* 0x2. Host drivers are supposed to return
|
|
* the status byte as it is defined by SCSI.
|
|
*/
|
|
scp->result = DRIVER_BYTE(DRIVER_SENSE) |
|
|
STATUS_BYTE(scsiqp->scsi_status);
|
|
} else {
|
|
scp->result = STATUS_BYTE(scsiqp->scsi_status);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/* Some other QHSTA error occurred. */
|
|
ASC_DBG(1, "host_status 0x%x\n", scsiqp->host_status);
|
|
scp->result = HOST_BYTE(DID_BAD_TARGET);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case QD_ABORTED_BY_HOST:
|
|
ASC_DBG(1, "QD_ABORTED_BY_HOST\n");
|
|
scp->result =
|
|
HOST_BYTE(DID_ABORT) | STATUS_BYTE(scsiqp->scsi_status);
|
|
break;
|
|
|
|
default:
|
|
ASC_DBG(1, "done_status 0x%x\n", scsiqp->done_status);
|
|
scp->result =
|
|
HOST_BYTE(DID_ERROR) | STATUS_BYTE(scsiqp->scsi_status);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* If the 'init_tidmask' bit isn't already set for the target and the
|
|
* current request finished normally, then set the bit for the target
|
|
* to indicate that a device is present.
|
|
*/
|
|
if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 &&
|
|
scsiqp->done_status == QD_NO_ERROR &&
|
|
scsiqp->host_status == QHSTA_NO_ERROR) {
|
|
boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id);
|
|
}
|
|
|
|
asc_scsi_done(scp);
|
|
|
|
/*
|
|
* Free all 'adv_sgblk_t' structures allocated for the request.
|
|
*/
|
|
while ((sgblkp = reqp->sgblkp) != NULL) {
|
|
/* Remove 'sgblkp' from the request list. */
|
|
reqp->sgblkp = sgblkp->next_sgblkp;
|
|
|
|
dma_pool_free(boardp->adv_sgblk_pool, sgblkp,
|
|
sgblkp->sg_addr);
|
|
}
|
|
|
|
ASC_DBG(1, "done\n");
|
|
}
|
|
|
|
/*
|
|
* Adv Library Interrupt Service Routine
|
|
*
|
|
* This function is called by a driver's interrupt service routine.
|
|
* The function disables and re-enables interrupts.
|
|
*
|
|
* When a microcode idle command is completed, the ADV_DVC_VAR
|
|
* 'idle_cmd_done' field is set to ADV_TRUE.
|
|
*
|
|
* Note: AdvISR() can be called when interrupts are disabled or even
|
|
* when there is no hardware interrupt condition present. It will
|
|
* always check for completed idle commands and microcode requests.
|
|
* This is an important feature that shouldn't be changed because it
|
|
* allows commands to be completed from polling mode loops.
|
|
*
|
|
* Return:
|
|
* ADV_TRUE(1) - interrupt was pending
|
|
* ADV_FALSE(0) - no interrupt was pending
|
|
*/
|
|
static int AdvISR(ADV_DVC_VAR *asc_dvc)
|
|
{
|
|
AdvPortAddr iop_base;
|
|
uchar int_stat;
|
|
ushort target_bit;
|
|
ADV_CARR_T *free_carrp;
|
|
__le32 irq_next_vpa;
|
|
ADV_SCSI_REQ_Q *scsiq;
|
|
adv_req_t *reqp;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
|
|
/* Reading the register clears the interrupt. */
|
|
int_stat = AdvReadByteRegister(iop_base, IOPB_INTR_STATUS_REG);
|
|
|
|
if ((int_stat & (ADV_INTR_STATUS_INTRA | ADV_INTR_STATUS_INTRB |
|
|
ADV_INTR_STATUS_INTRC)) == 0) {
|
|
return ADV_FALSE;
|
|
}
|
|
|
|
/*
|
|
* Notify the driver of an asynchronous microcode condition by
|
|
* calling the adv_async_callback function. The function
|
|
* is passed the microcode ASC_MC_INTRB_CODE byte value.
|
|
*/
|
|
if (int_stat & ADV_INTR_STATUS_INTRB) {
|
|
uchar intrb_code;
|
|
|
|
AdvReadByteLram(iop_base, ASC_MC_INTRB_CODE, intrb_code);
|
|
|
|
if (asc_dvc->chip_type == ADV_CHIP_ASC3550 ||
|
|
asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
|
|
if (intrb_code == ADV_ASYNC_CARRIER_READY_FAILURE &&
|
|
asc_dvc->carr_pending_cnt != 0) {
|
|
AdvWriteByteRegister(iop_base, IOPB_TICKLE,
|
|
ADV_TICKLE_A);
|
|
if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
|
|
AdvWriteByteRegister(iop_base,
|
|
IOPB_TICKLE,
|
|
ADV_TICKLE_NOP);
|
|
}
|
|
}
|
|
}
|
|
|
|
adv_async_callback(asc_dvc, intrb_code);
|
|
}
|
|
|
|
/*
|
|
* Check if the IRQ stopper carrier contains a completed request.
|
|
*/
|
|
while (((irq_next_vpa =
|
|
le32_to_cpu(asc_dvc->irq_sp->next_vpa)) & ADV_RQ_DONE) != 0) {
|
|
/*
|
|
* Get a pointer to the newly completed ADV_SCSI_REQ_Q structure.
|
|
* The RISC will have set 'areq_vpa' to a virtual address.
|
|
*
|
|
* The firmware will have copied the ADV_SCSI_REQ_Q.scsiq_ptr
|
|
* field to the carrier ADV_CARR_T.areq_vpa field. The conversion
|
|
* below complements the conversion of ADV_SCSI_REQ_Q.scsiq_ptr'
|
|
* in AdvExeScsiQueue().
|
|
*/
|
|
u32 pa_offset = le32_to_cpu(asc_dvc->irq_sp->areq_vpa);
|
|
ASC_DBG(1, "irq_sp %p areq_vpa %u\n",
|
|
asc_dvc->irq_sp, pa_offset);
|
|
reqp = adv_get_reqp(asc_dvc, pa_offset);
|
|
scsiq = &reqp->scsi_req_q;
|
|
|
|
/*
|
|
* Request finished with good status and the queue was not
|
|
* DMAed to host memory by the firmware. Set all status fields
|
|
* to indicate good status.
|
|
*/
|
|
if ((irq_next_vpa & ADV_RQ_GOOD) != 0) {
|
|
scsiq->done_status = QD_NO_ERROR;
|
|
scsiq->host_status = scsiq->scsi_status = 0;
|
|
scsiq->data_cnt = 0L;
|
|
}
|
|
|
|
/*
|
|
* Advance the stopper pointer to the next carrier
|
|
* ignoring the lower four bits. Free the previous
|
|
* stopper carrier.
|
|
*/
|
|
free_carrp = asc_dvc->irq_sp;
|
|
asc_dvc->irq_sp = adv_get_carrier(asc_dvc,
|
|
ADV_GET_CARRP(irq_next_vpa));
|
|
|
|
free_carrp->next_vpa = asc_dvc->carr_freelist->carr_va;
|
|
asc_dvc->carr_freelist = free_carrp;
|
|
asc_dvc->carr_pending_cnt--;
|
|
|
|
target_bit = ADV_TID_TO_TIDMASK(scsiq->target_id);
|
|
|
|
/*
|
|
* Clear request microcode control flag.
|
|
*/
|
|
scsiq->cntl = 0;
|
|
|
|
/*
|
|
* Notify the driver of the completed request by passing
|
|
* the ADV_SCSI_REQ_Q pointer to its callback function.
|
|
*/
|
|
adv_isr_callback(asc_dvc, scsiq);
|
|
/*
|
|
* Note: After the driver callback function is called, 'scsiq'
|
|
* can no longer be referenced.
|
|
*
|
|
* Fall through and continue processing other completed
|
|
* requests...
|
|
*/
|
|
}
|
|
return ADV_TRUE;
|
|
}
|
|
|
|
static int AscSetLibErrorCode(ASC_DVC_VAR *asc_dvc, ushort err_code)
|
|
{
|
|
if (asc_dvc->err_code == 0) {
|
|
asc_dvc->err_code = err_code;
|
|
AscWriteLramWord(asc_dvc->iop_base, ASCV_ASCDVC_ERR_CODE_W,
|
|
err_code);
|
|
}
|
|
return err_code;
|
|
}
|
|
|
|
static void AscAckInterrupt(PortAddr iop_base)
|
|
{
|
|
uchar host_flag;
|
|
uchar risc_flag;
|
|
ushort loop;
|
|
|
|
loop = 0;
|
|
do {
|
|
risc_flag = AscReadLramByte(iop_base, ASCV_RISC_FLAG_B);
|
|
if (loop++ > 0x7FFF) {
|
|
break;
|
|
}
|
|
} while ((risc_flag & ASC_RISC_FLAG_GEN_INT) != 0);
|
|
host_flag =
|
|
AscReadLramByte(iop_base,
|
|
ASCV_HOST_FLAG_B) & (~ASC_HOST_FLAG_ACK_INT);
|
|
AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
|
|
(uchar)(host_flag | ASC_HOST_FLAG_ACK_INT));
|
|
AscSetChipStatus(iop_base, CIW_INT_ACK);
|
|
loop = 0;
|
|
while (AscGetChipStatus(iop_base) & CSW_INT_PENDING) {
|
|
AscSetChipStatus(iop_base, CIW_INT_ACK);
|
|
if (loop++ > 3) {
|
|
break;
|
|
}
|
|
}
|
|
AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
|
|
}
|
|
|
|
static uchar AscGetSynPeriodIndex(ASC_DVC_VAR *asc_dvc, uchar syn_time)
|
|
{
|
|
const uchar *period_table;
|
|
int max_index;
|
|
int min_index;
|
|
int i;
|
|
|
|
period_table = asc_dvc->sdtr_period_tbl;
|
|
max_index = (int)asc_dvc->max_sdtr_index;
|
|
min_index = (int)asc_dvc->min_sdtr_index;
|
|
if ((syn_time <= period_table[max_index])) {
|
|
for (i = min_index; i < (max_index - 1); i++) {
|
|
if (syn_time <= period_table[i]) {
|
|
return (uchar)i;
|
|
}
|
|
}
|
|
return (uchar)max_index;
|
|
} else {
|
|
return (uchar)(max_index + 1);
|
|
}
|
|
}
|
|
|
|
static uchar
|
|
AscMsgOutSDTR(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar sdtr_offset)
|
|
{
|
|
PortAddr iop_base = asc_dvc->iop_base;
|
|
uchar sdtr_period_index = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
|
|
EXT_MSG sdtr_buf = {
|
|
.msg_type = EXTENDED_MESSAGE,
|
|
.msg_len = MS_SDTR_LEN,
|
|
.msg_req = EXTENDED_SDTR,
|
|
.xfer_period = sdtr_period,
|
|
.req_ack_offset = sdtr_offset,
|
|
};
|
|
sdtr_offset &= ASC_SYN_MAX_OFFSET;
|
|
|
|
if (sdtr_period_index <= asc_dvc->max_sdtr_index) {
|
|
AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG,
|
|
(uchar *)&sdtr_buf,
|
|
sizeof(EXT_MSG) >> 1);
|
|
return ((sdtr_period_index << 4) | sdtr_offset);
|
|
} else {
|
|
sdtr_buf.req_ack_offset = 0;
|
|
AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG,
|
|
(uchar *)&sdtr_buf,
|
|
sizeof(EXT_MSG) >> 1);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static uchar
|
|
AscCalSDTRData(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar syn_offset)
|
|
{
|
|
uchar byte;
|
|
uchar sdtr_period_ix;
|
|
|
|
sdtr_period_ix = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
|
|
if (sdtr_period_ix > asc_dvc->max_sdtr_index)
|
|
return 0xFF;
|
|
byte = (sdtr_period_ix << 4) | (syn_offset & ASC_SYN_MAX_OFFSET);
|
|
return byte;
|
|
}
|
|
|
|
static bool AscSetChipSynRegAtID(PortAddr iop_base, uchar id, uchar sdtr_data)
|
|
{
|
|
ASC_SCSI_BIT_ID_TYPE org_id;
|
|
int i;
|
|
bool sta = true;
|
|
|
|
AscSetBank(iop_base, 1);
|
|
org_id = AscReadChipDvcID(iop_base);
|
|
for (i = 0; i <= ASC_MAX_TID; i++) {
|
|
if (org_id == (0x01 << i))
|
|
break;
|
|
}
|
|
org_id = (ASC_SCSI_BIT_ID_TYPE) i;
|
|
AscWriteChipDvcID(iop_base, id);
|
|
if (AscReadChipDvcID(iop_base) == (0x01 << id)) {
|
|
AscSetBank(iop_base, 0);
|
|
AscSetChipSyn(iop_base, sdtr_data);
|
|
if (AscGetChipSyn(iop_base) != sdtr_data) {
|
|
sta = false;
|
|
}
|
|
} else {
|
|
sta = false;
|
|
}
|
|
AscSetBank(iop_base, 1);
|
|
AscWriteChipDvcID(iop_base, org_id);
|
|
AscSetBank(iop_base, 0);
|
|
return (sta);
|
|
}
|
|
|
|
static void AscSetChipSDTR(PortAddr iop_base, uchar sdtr_data, uchar tid_no)
|
|
{
|
|
AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
|
|
AscPutMCodeSDTRDoneAtID(iop_base, tid_no, sdtr_data);
|
|
}
|
|
|
|
static void AscIsrChipHalted(ASC_DVC_VAR *asc_dvc)
|
|
{
|
|
EXT_MSG ext_msg;
|
|
EXT_MSG out_msg;
|
|
ushort halt_q_addr;
|
|
bool sdtr_accept;
|
|
ushort int_halt_code;
|
|
ASC_SCSI_BIT_ID_TYPE scsi_busy;
|
|
ASC_SCSI_BIT_ID_TYPE target_id;
|
|
PortAddr iop_base;
|
|
uchar tag_code;
|
|
uchar q_status;
|
|
uchar halt_qp;
|
|
uchar sdtr_data;
|
|
uchar target_ix;
|
|
uchar q_cntl, tid_no;
|
|
uchar cur_dvc_qng;
|
|
uchar asyn_sdtr;
|
|
uchar scsi_status;
|
|
struct asc_board *boardp;
|
|
|
|
BUG_ON(!asc_dvc->drv_ptr);
|
|
boardp = asc_dvc->drv_ptr;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
int_halt_code = AscReadLramWord(iop_base, ASCV_HALTCODE_W);
|
|
|
|
halt_qp = AscReadLramByte(iop_base, ASCV_CURCDB_B);
|
|
halt_q_addr = ASC_QNO_TO_QADDR(halt_qp);
|
|
target_ix = AscReadLramByte(iop_base,
|
|
(ushort)(halt_q_addr +
|
|
(ushort)ASC_SCSIQ_B_TARGET_IX));
|
|
q_cntl = AscReadLramByte(iop_base,
|
|
(ushort)(halt_q_addr + (ushort)ASC_SCSIQ_B_CNTL));
|
|
tid_no = ASC_TIX_TO_TID(target_ix);
|
|
target_id = (uchar)ASC_TID_TO_TARGET_ID(tid_no);
|
|
if (asc_dvc->pci_fix_asyn_xfer & target_id) {
|
|
asyn_sdtr = ASYN_SDTR_DATA_FIX_PCI_REV_AB;
|
|
} else {
|
|
asyn_sdtr = 0;
|
|
}
|
|
if (int_halt_code == ASC_HALT_DISABLE_ASYN_USE_SYN_FIX) {
|
|
if (asc_dvc->pci_fix_asyn_xfer & target_id) {
|
|
AscSetChipSDTR(iop_base, 0, tid_no);
|
|
boardp->sdtr_data[tid_no] = 0;
|
|
}
|
|
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
|
|
return;
|
|
} else if (int_halt_code == ASC_HALT_ENABLE_ASYN_USE_SYN_FIX) {
|
|
if (asc_dvc->pci_fix_asyn_xfer & target_id) {
|
|
AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
|
|
boardp->sdtr_data[tid_no] = asyn_sdtr;
|
|
}
|
|
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
|
|
return;
|
|
} else if (int_halt_code == ASC_HALT_EXTMSG_IN) {
|
|
AscMemWordCopyPtrFromLram(iop_base,
|
|
ASCV_MSGIN_BEG,
|
|
(uchar *)&ext_msg,
|
|
sizeof(EXT_MSG) >> 1);
|
|
|
|
if (ext_msg.msg_type == EXTENDED_MESSAGE &&
|
|
ext_msg.msg_req == EXTENDED_SDTR &&
|
|
ext_msg.msg_len == MS_SDTR_LEN) {
|
|
sdtr_accept = true;
|
|
if ((ext_msg.req_ack_offset > ASC_SYN_MAX_OFFSET)) {
|
|
|
|
sdtr_accept = false;
|
|
ext_msg.req_ack_offset = ASC_SYN_MAX_OFFSET;
|
|
}
|
|
if ((ext_msg.xfer_period <
|
|
asc_dvc->sdtr_period_tbl[asc_dvc->min_sdtr_index])
|
|
|| (ext_msg.xfer_period >
|
|
asc_dvc->sdtr_period_tbl[asc_dvc->
|
|
max_sdtr_index])) {
|
|
sdtr_accept = false;
|
|
ext_msg.xfer_period =
|
|
asc_dvc->sdtr_period_tbl[asc_dvc->
|
|
min_sdtr_index];
|
|
}
|
|
if (sdtr_accept) {
|
|
sdtr_data =
|
|
AscCalSDTRData(asc_dvc, ext_msg.xfer_period,
|
|
ext_msg.req_ack_offset);
|
|
if ((sdtr_data == 0xFF)) {
|
|
|
|
q_cntl |= QC_MSG_OUT;
|
|
asc_dvc->init_sdtr &= ~target_id;
|
|
asc_dvc->sdtr_done &= ~target_id;
|
|
AscSetChipSDTR(iop_base, asyn_sdtr,
|
|
tid_no);
|
|
boardp->sdtr_data[tid_no] = asyn_sdtr;
|
|
}
|
|
}
|
|
if (ext_msg.req_ack_offset == 0) {
|
|
|
|
q_cntl &= ~QC_MSG_OUT;
|
|
asc_dvc->init_sdtr &= ~target_id;
|
|
asc_dvc->sdtr_done &= ~target_id;
|
|
AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
|
|
} else {
|
|
if (sdtr_accept && (q_cntl & QC_MSG_OUT)) {
|
|
q_cntl &= ~QC_MSG_OUT;
|
|
asc_dvc->sdtr_done |= target_id;
|
|
asc_dvc->init_sdtr |= target_id;
|
|
asc_dvc->pci_fix_asyn_xfer &=
|
|
~target_id;
|
|
sdtr_data =
|
|
AscCalSDTRData(asc_dvc,
|
|
ext_msg.xfer_period,
|
|
ext_msg.
|
|
req_ack_offset);
|
|
AscSetChipSDTR(iop_base, sdtr_data,
|
|
tid_no);
|
|
boardp->sdtr_data[tid_no] = sdtr_data;
|
|
} else {
|
|
q_cntl |= QC_MSG_OUT;
|
|
AscMsgOutSDTR(asc_dvc,
|
|
ext_msg.xfer_period,
|
|
ext_msg.req_ack_offset);
|
|
asc_dvc->pci_fix_asyn_xfer &=
|
|
~target_id;
|
|
sdtr_data =
|
|
AscCalSDTRData(asc_dvc,
|
|
ext_msg.xfer_period,
|
|
ext_msg.
|
|
req_ack_offset);
|
|
AscSetChipSDTR(iop_base, sdtr_data,
|
|
tid_no);
|
|
boardp->sdtr_data[tid_no] = sdtr_data;
|
|
asc_dvc->sdtr_done |= target_id;
|
|
asc_dvc->init_sdtr |= target_id;
|
|
}
|
|
}
|
|
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)(halt_q_addr +
|
|
(ushort)ASC_SCSIQ_B_CNTL),
|
|
q_cntl);
|
|
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
|
|
return;
|
|
} else if (ext_msg.msg_type == EXTENDED_MESSAGE &&
|
|
ext_msg.msg_req == EXTENDED_WDTR &&
|
|
ext_msg.msg_len == MS_WDTR_LEN) {
|
|
|
|
ext_msg.wdtr_width = 0;
|
|
AscMemWordCopyPtrToLram(iop_base,
|
|
ASCV_MSGOUT_BEG,
|
|
(uchar *)&ext_msg,
|
|
sizeof(EXT_MSG) >> 1);
|
|
q_cntl |= QC_MSG_OUT;
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)(halt_q_addr +
|
|
(ushort)ASC_SCSIQ_B_CNTL),
|
|
q_cntl);
|
|
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
|
|
return;
|
|
} else {
|
|
|
|
ext_msg.msg_type = MESSAGE_REJECT;
|
|
AscMemWordCopyPtrToLram(iop_base,
|
|
ASCV_MSGOUT_BEG,
|
|
(uchar *)&ext_msg,
|
|
sizeof(EXT_MSG) >> 1);
|
|
q_cntl |= QC_MSG_OUT;
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)(halt_q_addr +
|
|
(ushort)ASC_SCSIQ_B_CNTL),
|
|
q_cntl);
|
|
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
|
|
return;
|
|
}
|
|
} else if (int_halt_code == ASC_HALT_CHK_CONDITION) {
|
|
|
|
q_cntl |= QC_REQ_SENSE;
|
|
|
|
if ((asc_dvc->init_sdtr & target_id) != 0) {
|
|
|
|
asc_dvc->sdtr_done &= ~target_id;
|
|
|
|
sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
|
|
q_cntl |= QC_MSG_OUT;
|
|
AscMsgOutSDTR(asc_dvc,
|
|
asc_dvc->
|
|
sdtr_period_tbl[(sdtr_data >> 4) &
|
|
(uchar)(asc_dvc->
|
|
max_sdtr_index -
|
|
1)],
|
|
(uchar)(sdtr_data & (uchar)
|
|
ASC_SYN_MAX_OFFSET));
|
|
}
|
|
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)(halt_q_addr +
|
|
(ushort)ASC_SCSIQ_B_CNTL), q_cntl);
|
|
|
|
tag_code = AscReadLramByte(iop_base,
|
|
(ushort)(halt_q_addr + (ushort)
|
|
ASC_SCSIQ_B_TAG_CODE));
|
|
tag_code &= 0xDC;
|
|
if ((asc_dvc->pci_fix_asyn_xfer & target_id)
|
|
&& !(asc_dvc->pci_fix_asyn_xfer_always & target_id)
|
|
) {
|
|
|
|
tag_code |= (ASC_TAG_FLAG_DISABLE_DISCONNECT
|
|
| ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX);
|
|
|
|
}
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)(halt_q_addr +
|
|
(ushort)ASC_SCSIQ_B_TAG_CODE),
|
|
tag_code);
|
|
|
|
q_status = AscReadLramByte(iop_base,
|
|
(ushort)(halt_q_addr + (ushort)
|
|
ASC_SCSIQ_B_STATUS));
|
|
q_status |= (QS_READY | QS_BUSY);
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)(halt_q_addr +
|
|
(ushort)ASC_SCSIQ_B_STATUS),
|
|
q_status);
|
|
|
|
scsi_busy = AscReadLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B);
|
|
scsi_busy &= ~target_id;
|
|
AscWriteLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B, scsi_busy);
|
|
|
|
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
|
|
return;
|
|
} else if (int_halt_code == ASC_HALT_SDTR_REJECTED) {
|
|
|
|
AscMemWordCopyPtrFromLram(iop_base,
|
|
ASCV_MSGOUT_BEG,
|
|
(uchar *)&out_msg,
|
|
sizeof(EXT_MSG) >> 1);
|
|
|
|
if ((out_msg.msg_type == EXTENDED_MESSAGE) &&
|
|
(out_msg.msg_len == MS_SDTR_LEN) &&
|
|
(out_msg.msg_req == EXTENDED_SDTR)) {
|
|
|
|
asc_dvc->init_sdtr &= ~target_id;
|
|
asc_dvc->sdtr_done &= ~target_id;
|
|
AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
|
|
boardp->sdtr_data[tid_no] = asyn_sdtr;
|
|
}
|
|
q_cntl &= ~QC_MSG_OUT;
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)(halt_q_addr +
|
|
(ushort)ASC_SCSIQ_B_CNTL), q_cntl);
|
|
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
|
|
return;
|
|
} else if (int_halt_code == ASC_HALT_SS_QUEUE_FULL) {
|
|
|
|
scsi_status = AscReadLramByte(iop_base,
|
|
(ushort)((ushort)halt_q_addr +
|
|
(ushort)
|
|
ASC_SCSIQ_SCSI_STATUS));
|
|
cur_dvc_qng =
|
|
AscReadLramByte(iop_base,
|
|
(ushort)((ushort)ASC_QADR_BEG +
|
|
(ushort)target_ix));
|
|
if ((cur_dvc_qng > 0) && (asc_dvc->cur_dvc_qng[tid_no] > 0)) {
|
|
|
|
scsi_busy = AscReadLramByte(iop_base,
|
|
(ushort)ASCV_SCSIBUSY_B);
|
|
scsi_busy |= target_id;
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)ASCV_SCSIBUSY_B, scsi_busy);
|
|
asc_dvc->queue_full_or_busy |= target_id;
|
|
|
|
if (scsi_status == SAM_STAT_TASK_SET_FULL) {
|
|
if (cur_dvc_qng > ASC_MIN_TAGGED_CMD) {
|
|
cur_dvc_qng -= 1;
|
|
asc_dvc->max_dvc_qng[tid_no] =
|
|
cur_dvc_qng;
|
|
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)((ushort)
|
|
ASCV_MAX_DVC_QNG_BEG
|
|
+ (ushort)
|
|
tid_no),
|
|
cur_dvc_qng);
|
|
|
|
/*
|
|
* Set the device queue depth to the
|
|
* number of active requests when the
|
|
* QUEUE FULL condition was encountered.
|
|
*/
|
|
boardp->queue_full |= target_id;
|
|
boardp->queue_full_cnt[tid_no] =
|
|
cur_dvc_qng;
|
|
}
|
|
}
|
|
}
|
|
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
|
|
return;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* void
|
|
* DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
|
|
*
|
|
* Calling/Exit State:
|
|
* none
|
|
*
|
|
* Description:
|
|
* Input an ASC_QDONE_INFO structure from the chip
|
|
*/
|
|
static void
|
|
DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
|
|
{
|
|
int i;
|
|
ushort word;
|
|
|
|
AscSetChipLramAddr(iop_base, s_addr);
|
|
for (i = 0; i < 2 * words; i += 2) {
|
|
if (i == 10) {
|
|
continue;
|
|
}
|
|
word = inpw(iop_base + IOP_RAM_DATA);
|
|
inbuf[i] = word & 0xff;
|
|
inbuf[i + 1] = (word >> 8) & 0xff;
|
|
}
|
|
ASC_DBG_PRT_HEX(2, "DvcGetQinfo", inbuf, 2 * words);
|
|
}
|
|
|
|
static uchar
|
|
_AscCopyLramScsiDoneQ(PortAddr iop_base,
|
|
ushort q_addr,
|
|
ASC_QDONE_INFO *scsiq, unsigned int max_dma_count)
|
|
{
|
|
ushort _val;
|
|
uchar sg_queue_cnt;
|
|
|
|
DvcGetQinfo(iop_base,
|
|
q_addr + ASC_SCSIQ_DONE_INFO_BEG,
|
|
(uchar *)scsiq,
|
|
(sizeof(ASC_SCSIQ_2) + sizeof(ASC_SCSIQ_3)) / 2);
|
|
|
|
_val = AscReadLramWord(iop_base,
|
|
(ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS));
|
|
scsiq->q_status = (uchar)_val;
|
|
scsiq->q_no = (uchar)(_val >> 8);
|
|
_val = AscReadLramWord(iop_base,
|
|
(ushort)(q_addr + (ushort)ASC_SCSIQ_B_CNTL));
|
|
scsiq->cntl = (uchar)_val;
|
|
sg_queue_cnt = (uchar)(_val >> 8);
|
|
_val = AscReadLramWord(iop_base,
|
|
(ushort)(q_addr +
|
|
(ushort)ASC_SCSIQ_B_SENSE_LEN));
|
|
scsiq->sense_len = (uchar)_val;
|
|
scsiq->extra_bytes = (uchar)(_val >> 8);
|
|
|
|
/*
|
|
* Read high word of remain bytes from alternate location.
|
|
*/
|
|
scsiq->remain_bytes = (((u32)AscReadLramWord(iop_base,
|
|
(ushort)(q_addr +
|
|
(ushort)
|
|
ASC_SCSIQ_W_ALT_DC1)))
|
|
<< 16);
|
|
/*
|
|
* Read low word of remain bytes from original location.
|
|
*/
|
|
scsiq->remain_bytes += AscReadLramWord(iop_base,
|
|
(ushort)(q_addr + (ushort)
|
|
ASC_SCSIQ_DW_REMAIN_XFER_CNT));
|
|
|
|
scsiq->remain_bytes &= max_dma_count;
|
|
return sg_queue_cnt;
|
|
}
|
|
|
|
/*
|
|
* asc_isr_callback() - Second Level Interrupt Handler called by AscISR().
|
|
*
|
|
* Interrupt callback function for the Narrow SCSI Asc Library.
|
|
*/
|
|
static void asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep)
|
|
{
|
|
struct asc_board *boardp = asc_dvc_varp->drv_ptr;
|
|
u32 srb_tag;
|
|
struct scsi_cmnd *scp;
|
|
|
|
ASC_DBG(1, "asc_dvc_varp 0x%p, qdonep 0x%p\n", asc_dvc_varp, qdonep);
|
|
ASC_DBG_PRT_ASC_QDONE_INFO(2, qdonep);
|
|
|
|
/*
|
|
* Decrease the srb_tag by 1 to find the SCSI command
|
|
*/
|
|
srb_tag = qdonep->d2.srb_tag - 1;
|
|
scp = scsi_host_find_tag(boardp->shost, srb_tag);
|
|
if (!scp)
|
|
return;
|
|
|
|
ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);
|
|
|
|
ASC_STATS(boardp->shost, callback);
|
|
|
|
dma_unmap_single(boardp->dev, scp->SCp.dma_handle,
|
|
SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
|
|
/*
|
|
* 'qdonep' contains the command's ending status.
|
|
*/
|
|
switch (qdonep->d3.done_stat) {
|
|
case QD_NO_ERROR:
|
|
ASC_DBG(2, "QD_NO_ERROR\n");
|
|
scp->result = 0;
|
|
|
|
/*
|
|
* Check for an underrun condition.
|
|
*
|
|
* If there was no error and an underrun condition, then
|
|
* return the number of underrun bytes.
|
|
*/
|
|
if (scsi_bufflen(scp) != 0 && qdonep->remain_bytes != 0 &&
|
|
qdonep->remain_bytes <= scsi_bufflen(scp)) {
|
|
ASC_DBG(1, "underrun condition %u bytes\n",
|
|
(unsigned)qdonep->remain_bytes);
|
|
scsi_set_resid(scp, qdonep->remain_bytes);
|
|
}
|
|
break;
|
|
|
|
case QD_WITH_ERROR:
|
|
ASC_DBG(2, "QD_WITH_ERROR\n");
|
|
switch (qdonep->d3.host_stat) {
|
|
case QHSTA_NO_ERROR:
|
|
if (qdonep->d3.scsi_stat == SAM_STAT_CHECK_CONDITION) {
|
|
ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n");
|
|
ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
|
|
SCSI_SENSE_BUFFERSIZE);
|
|
/*
|
|
* Note: The 'status_byte()' macro used by
|
|
* target drivers defined in scsi.h shifts the
|
|
* status byte returned by host drivers right
|
|
* by 1 bit. This is why target drivers also
|
|
* use right shifted status byte definitions.
|
|
* For instance target drivers use
|
|
* CHECK_CONDITION, defined to 0x1, instead of
|
|
* the SCSI defined check condition value of
|
|
* 0x2. Host drivers are supposed to return
|
|
* the status byte as it is defined by SCSI.
|
|
*/
|
|
scp->result = DRIVER_BYTE(DRIVER_SENSE) |
|
|
STATUS_BYTE(qdonep->d3.scsi_stat);
|
|
} else {
|
|
scp->result = STATUS_BYTE(qdonep->d3.scsi_stat);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/* QHSTA error occurred */
|
|
ASC_DBG(1, "host_stat 0x%x\n", qdonep->d3.host_stat);
|
|
scp->result = HOST_BYTE(DID_BAD_TARGET);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case QD_ABORTED_BY_HOST:
|
|
ASC_DBG(1, "QD_ABORTED_BY_HOST\n");
|
|
scp->result =
|
|
HOST_BYTE(DID_ABORT) | MSG_BYTE(qdonep->d3.
|
|
scsi_msg) |
|
|
STATUS_BYTE(qdonep->d3.scsi_stat);
|
|
break;
|
|
|
|
default:
|
|
ASC_DBG(1, "done_stat 0x%x\n", qdonep->d3.done_stat);
|
|
scp->result =
|
|
HOST_BYTE(DID_ERROR) | MSG_BYTE(qdonep->d3.
|
|
scsi_msg) |
|
|
STATUS_BYTE(qdonep->d3.scsi_stat);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* If the 'init_tidmask' bit isn't already set for the target and the
|
|
* current request finished normally, then set the bit for the target
|
|
* to indicate that a device is present.
|
|
*/
|
|
if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 &&
|
|
qdonep->d3.done_stat == QD_NO_ERROR &&
|
|
qdonep->d3.host_stat == QHSTA_NO_ERROR) {
|
|
boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id);
|
|
}
|
|
|
|
asc_scsi_done(scp);
|
|
}
|
|
|
|
static int AscIsrQDone(ASC_DVC_VAR *asc_dvc)
|
|
{
|
|
uchar next_qp;
|
|
uchar n_q_used;
|
|
uchar sg_list_qp;
|
|
uchar sg_queue_cnt;
|
|
uchar q_cnt;
|
|
uchar done_q_tail;
|
|
uchar tid_no;
|
|
ASC_SCSI_BIT_ID_TYPE scsi_busy;
|
|
ASC_SCSI_BIT_ID_TYPE target_id;
|
|
PortAddr iop_base;
|
|
ushort q_addr;
|
|
ushort sg_q_addr;
|
|
uchar cur_target_qng;
|
|
ASC_QDONE_INFO scsiq_buf;
|
|
ASC_QDONE_INFO *scsiq;
|
|
bool false_overrun;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
n_q_used = 1;
|
|
scsiq = (ASC_QDONE_INFO *)&scsiq_buf;
|
|
done_q_tail = (uchar)AscGetVarDoneQTail(iop_base);
|
|
q_addr = ASC_QNO_TO_QADDR(done_q_tail);
|
|
next_qp = AscReadLramByte(iop_base,
|
|
(ushort)(q_addr + (ushort)ASC_SCSIQ_B_FWD));
|
|
if (next_qp != ASC_QLINK_END) {
|
|
AscPutVarDoneQTail(iop_base, next_qp);
|
|
q_addr = ASC_QNO_TO_QADDR(next_qp);
|
|
sg_queue_cnt = _AscCopyLramScsiDoneQ(iop_base, q_addr, scsiq,
|
|
asc_dvc->max_dma_count);
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)(q_addr +
|
|
(ushort)ASC_SCSIQ_B_STATUS),
|
|
(uchar)(scsiq->
|
|
q_status & (uchar)~(QS_READY |
|
|
QS_ABORTED)));
|
|
tid_no = ASC_TIX_TO_TID(scsiq->d2.target_ix);
|
|
target_id = ASC_TIX_TO_TARGET_ID(scsiq->d2.target_ix);
|
|
if ((scsiq->cntl & QC_SG_HEAD) != 0) {
|
|
sg_q_addr = q_addr;
|
|
sg_list_qp = next_qp;
|
|
for (q_cnt = 0; q_cnt < sg_queue_cnt; q_cnt++) {
|
|
sg_list_qp = AscReadLramByte(iop_base,
|
|
(ushort)(sg_q_addr
|
|
+ (ushort)
|
|
ASC_SCSIQ_B_FWD));
|
|
sg_q_addr = ASC_QNO_TO_QADDR(sg_list_qp);
|
|
if (sg_list_qp == ASC_QLINK_END) {
|
|
AscSetLibErrorCode(asc_dvc,
|
|
ASCQ_ERR_SG_Q_LINKS);
|
|
scsiq->d3.done_stat = QD_WITH_ERROR;
|
|
scsiq->d3.host_stat =
|
|
QHSTA_D_QDONE_SG_LIST_CORRUPTED;
|
|
goto FATAL_ERR_QDONE;
|
|
}
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)(sg_q_addr + (ushort)
|
|
ASC_SCSIQ_B_STATUS),
|
|
QS_FREE);
|
|
}
|
|
n_q_used = sg_queue_cnt + 1;
|
|
AscPutVarDoneQTail(iop_base, sg_list_qp);
|
|
}
|
|
if (asc_dvc->queue_full_or_busy & target_id) {
|
|
cur_target_qng = AscReadLramByte(iop_base,
|
|
(ushort)((ushort)
|
|
ASC_QADR_BEG
|
|
+ (ushort)
|
|
scsiq->d2.
|
|
target_ix));
|
|
if (cur_target_qng < asc_dvc->max_dvc_qng[tid_no]) {
|
|
scsi_busy = AscReadLramByte(iop_base, (ushort)
|
|
ASCV_SCSIBUSY_B);
|
|
scsi_busy &= ~target_id;
|
|
AscWriteLramByte(iop_base,
|
|
(ushort)ASCV_SCSIBUSY_B,
|
|
scsi_busy);
|
|
asc_dvc->queue_full_or_busy &= ~target_id;
|
|
}
|
|
}
|
|
if (asc_dvc->cur_total_qng >= n_q_used) {
|
|
asc_dvc->cur_total_qng -= n_q_used;
|
|
if (asc_dvc->cur_dvc_qng[tid_no] != 0) {
|
|
asc_dvc->cur_dvc_qng[tid_no]--;
|
|
}
|
|
} else {
|
|
AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CUR_QNG);
|
|
scsiq->d3.done_stat = QD_WITH_ERROR;
|
|
goto FATAL_ERR_QDONE;
|
|
}
|
|
if ((scsiq->d2.srb_tag == 0UL) ||
|
|
((scsiq->q_status & QS_ABORTED) != 0)) {
|
|
return (0x11);
|
|
} else if (scsiq->q_status == QS_DONE) {
|
|
/*
|
|
* This is also curious.
|
|
* false_overrun will _always_ be set to 'false'
|
|
*/
|
|
false_overrun = false;
|
|
if (scsiq->extra_bytes != 0) {
|
|
scsiq->remain_bytes += scsiq->extra_bytes;
|
|
}
|
|
if (scsiq->d3.done_stat == QD_WITH_ERROR) {
|
|
if (scsiq->d3.host_stat ==
|
|
QHSTA_M_DATA_OVER_RUN) {
|
|
if ((scsiq->
|
|
cntl & (QC_DATA_IN | QC_DATA_OUT))
|
|
== 0) {
|
|
scsiq->d3.done_stat =
|
|
QD_NO_ERROR;
|
|
scsiq->d3.host_stat =
|
|
QHSTA_NO_ERROR;
|
|
} else if (false_overrun) {
|
|
scsiq->d3.done_stat =
|
|
QD_NO_ERROR;
|
|
scsiq->d3.host_stat =
|
|
QHSTA_NO_ERROR;
|
|
}
|
|
} else if (scsiq->d3.host_stat ==
|
|
QHSTA_M_HUNG_REQ_SCSI_BUS_RESET) {
|
|
AscStopChip(iop_base);
|
|
AscSetChipControl(iop_base,
|
|
(uchar)(CC_SCSI_RESET
|
|
| CC_HALT));
|
|
udelay(60);
|
|
AscSetChipControl(iop_base, CC_HALT);
|
|
AscSetChipStatus(iop_base,
|
|
CIW_CLR_SCSI_RESET_INT);
|
|
AscSetChipStatus(iop_base, 0);
|
|
AscSetChipControl(iop_base, 0);
|
|
}
|
|
}
|
|
if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
|
|
asc_isr_callback(asc_dvc, scsiq);
|
|
} else {
|
|
if ((AscReadLramByte(iop_base,
|
|
(ushort)(q_addr + (ushort)
|
|
ASC_SCSIQ_CDB_BEG))
|
|
== START_STOP)) {
|
|
asc_dvc->unit_not_ready &= ~target_id;
|
|
if (scsiq->d3.done_stat != QD_NO_ERROR) {
|
|
asc_dvc->start_motor &=
|
|
~target_id;
|
|
}
|
|
}
|
|
}
|
|
return (1);
|
|
} else {
|
|
AscSetLibErrorCode(asc_dvc, ASCQ_ERR_Q_STATUS);
|
|
FATAL_ERR_QDONE:
|
|
if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
|
|
asc_isr_callback(asc_dvc, scsiq);
|
|
}
|
|
return (0x80);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int AscISR(ASC_DVC_VAR *asc_dvc)
|
|
{
|
|
ASC_CS_TYPE chipstat;
|
|
PortAddr iop_base;
|
|
ushort saved_ram_addr;
|
|
uchar ctrl_reg;
|
|
uchar saved_ctrl_reg;
|
|
int int_pending;
|
|
int status;
|
|
uchar host_flag;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
int_pending = ASC_FALSE;
|
|
|
|
if (AscIsIntPending(iop_base) == 0)
|
|
return int_pending;
|
|
|
|
if ((asc_dvc->init_state & ASC_INIT_STATE_END_LOAD_MC) == 0) {
|
|
return ASC_ERROR;
|
|
}
|
|
if (asc_dvc->in_critical_cnt != 0) {
|
|
AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_ON_CRITICAL);
|
|
return ASC_ERROR;
|
|
}
|
|
if (asc_dvc->is_in_int) {
|
|
AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_RE_ENTRY);
|
|
return ASC_ERROR;
|
|
}
|
|
asc_dvc->is_in_int = true;
|
|
ctrl_reg = AscGetChipControl(iop_base);
|
|
saved_ctrl_reg = ctrl_reg & (~(CC_SCSI_RESET | CC_CHIP_RESET |
|
|
CC_SINGLE_STEP | CC_DIAG | CC_TEST));
|
|
chipstat = AscGetChipStatus(iop_base);
|
|
if (chipstat & CSW_SCSI_RESET_LATCH) {
|
|
if (!(asc_dvc->bus_type & (ASC_IS_VL | ASC_IS_EISA))) {
|
|
int i = 10;
|
|
int_pending = ASC_TRUE;
|
|
asc_dvc->sdtr_done = 0;
|
|
saved_ctrl_reg &= (uchar)(~CC_HALT);
|
|
while ((AscGetChipStatus(iop_base) &
|
|
CSW_SCSI_RESET_ACTIVE) && (i-- > 0)) {
|
|
mdelay(100);
|
|
}
|
|
AscSetChipControl(iop_base, (CC_CHIP_RESET | CC_HALT));
|
|
AscSetChipControl(iop_base, CC_HALT);
|
|
AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
|
|
AscSetChipStatus(iop_base, 0);
|
|
chipstat = AscGetChipStatus(iop_base);
|
|
}
|
|
}
|
|
saved_ram_addr = AscGetChipLramAddr(iop_base);
|
|
host_flag = AscReadLramByte(iop_base,
|
|
ASCV_HOST_FLAG_B) &
|
|
(uchar)(~ASC_HOST_FLAG_IN_ISR);
|
|
AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
|
|
(uchar)(host_flag | (uchar)ASC_HOST_FLAG_IN_ISR));
|
|
if ((chipstat & CSW_INT_PENDING) || (int_pending)) {
|
|
AscAckInterrupt(iop_base);
|
|
int_pending = ASC_TRUE;
|
|
if ((chipstat & CSW_HALTED) && (ctrl_reg & CC_SINGLE_STEP)) {
|
|
AscIsrChipHalted(asc_dvc);
|
|
saved_ctrl_reg &= (uchar)(~CC_HALT);
|
|
} else {
|
|
if ((asc_dvc->dvc_cntl & ASC_CNTL_INT_MULTI_Q) != 0) {
|
|
while (((status =
|
|
AscIsrQDone(asc_dvc)) & 0x01) != 0) {
|
|
}
|
|
} else {
|
|
do {
|
|
if ((status =
|
|
AscIsrQDone(asc_dvc)) == 1) {
|
|
break;
|
|
}
|
|
} while (status == 0x11);
|
|
}
|
|
if ((status & 0x80) != 0)
|
|
int_pending = ASC_ERROR;
|
|
}
|
|
}
|
|
AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
|
|
AscSetChipLramAddr(iop_base, saved_ram_addr);
|
|
AscSetChipControl(iop_base, saved_ctrl_reg);
|
|
asc_dvc->is_in_int = false;
|
|
return int_pending;
|
|
}
|
|
|
|
/*
|
|
* advansys_reset()
|
|
*
|
|
* Reset the host associated with the command 'scp'.
|
|
*
|
|
* This function runs its own thread. Interrupts must be blocked but
|
|
* sleeping is allowed and no locking other than for host structures is
|
|
* required. Returns SUCCESS or FAILED.
|
|
*/
|
|
static int advansys_reset(struct scsi_cmnd *scp)
|
|
{
|
|
struct Scsi_Host *shost = scp->device->host;
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
unsigned long flags;
|
|
int status;
|
|
int ret = SUCCESS;
|
|
|
|
ASC_DBG(1, "0x%p\n", scp);
|
|
|
|
ASC_STATS(shost, reset);
|
|
|
|
scmd_printk(KERN_INFO, scp, "SCSI host reset started...\n");
|
|
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
|
|
|
|
/* Reset the chip and SCSI bus. */
|
|
ASC_DBG(1, "before AscInitAsc1000Driver()\n");
|
|
status = AscInitAsc1000Driver(asc_dvc);
|
|
|
|
/* Refer to ASC_IERR_* definitions for meaning of 'err_code'. */
|
|
if (asc_dvc->err_code || !asc_dvc->overrun_dma) {
|
|
scmd_printk(KERN_INFO, scp, "SCSI host reset error: "
|
|
"0x%x, status: 0x%x\n", asc_dvc->err_code,
|
|
status);
|
|
ret = FAILED;
|
|
} else if (status) {
|
|
scmd_printk(KERN_INFO, scp, "SCSI host reset warning: "
|
|
"0x%x\n", status);
|
|
} else {
|
|
scmd_printk(KERN_INFO, scp, "SCSI host reset "
|
|
"successful\n");
|
|
}
|
|
|
|
ASC_DBG(1, "after AscInitAsc1000Driver()\n");
|
|
} else {
|
|
/*
|
|
* If the suggest reset bus flags are set, then reset the bus.
|
|
* Otherwise only reset the device.
|
|
*/
|
|
ADV_DVC_VAR *adv_dvc = &boardp->dvc_var.adv_dvc_var;
|
|
|
|
/*
|
|
* Reset the chip and SCSI bus.
|
|
*/
|
|
ASC_DBG(1, "before AdvResetChipAndSB()\n");
|
|
switch (AdvResetChipAndSB(adv_dvc)) {
|
|
case ASC_TRUE:
|
|
scmd_printk(KERN_INFO, scp, "SCSI host reset "
|
|
"successful\n");
|
|
break;
|
|
case ASC_FALSE:
|
|
default:
|
|
scmd_printk(KERN_INFO, scp, "SCSI host reset error\n");
|
|
ret = FAILED;
|
|
break;
|
|
}
|
|
spin_lock_irqsave(shost->host_lock, flags);
|
|
AdvISR(adv_dvc);
|
|
spin_unlock_irqrestore(shost->host_lock, flags);
|
|
}
|
|
|
|
ASC_DBG(1, "ret %d\n", ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* advansys_biosparam()
|
|
*
|
|
* Translate disk drive geometry if the "BIOS greater than 1 GB"
|
|
* support is enabled for a drive.
|
|
*
|
|
* ip (information pointer) is an int array with the following definition:
|
|
* ip[0]: heads
|
|
* ip[1]: sectors
|
|
* ip[2]: cylinders
|
|
*/
|
|
static int
|
|
advansys_biosparam(struct scsi_device *sdev, struct block_device *bdev,
|
|
sector_t capacity, int ip[])
|
|
{
|
|
struct asc_board *boardp = shost_priv(sdev->host);
|
|
|
|
ASC_DBG(1, "begin\n");
|
|
ASC_STATS(sdev->host, biosparam);
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
if ((boardp->dvc_var.asc_dvc_var.dvc_cntl &
|
|
ASC_CNTL_BIOS_GT_1GB) && capacity > 0x200000) {
|
|
ip[0] = 255;
|
|
ip[1] = 63;
|
|
} else {
|
|
ip[0] = 64;
|
|
ip[1] = 32;
|
|
}
|
|
} else {
|
|
if ((boardp->dvc_var.adv_dvc_var.bios_ctrl &
|
|
BIOS_CTRL_EXTENDED_XLAT) && capacity > 0x200000) {
|
|
ip[0] = 255;
|
|
ip[1] = 63;
|
|
} else {
|
|
ip[0] = 64;
|
|
ip[1] = 32;
|
|
}
|
|
}
|
|
ip[2] = (unsigned long)capacity / (ip[0] * ip[1]);
|
|
ASC_DBG(1, "end\n");
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* First-level interrupt handler.
|
|
*
|
|
* 'dev_id' is a pointer to the interrupting adapter's Scsi_Host.
|
|
*/
|
|
static irqreturn_t advansys_interrupt(int irq, void *dev_id)
|
|
{
|
|
struct Scsi_Host *shost = dev_id;
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
irqreturn_t result = IRQ_NONE;
|
|
unsigned long flags;
|
|
|
|
ASC_DBG(2, "boardp 0x%p\n", boardp);
|
|
spin_lock_irqsave(shost->host_lock, flags);
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
if (AscIsIntPending(shost->io_port)) {
|
|
result = IRQ_HANDLED;
|
|
ASC_STATS(shost, interrupt);
|
|
ASC_DBG(1, "before AscISR()\n");
|
|
AscISR(&boardp->dvc_var.asc_dvc_var);
|
|
}
|
|
} else {
|
|
ASC_DBG(1, "before AdvISR()\n");
|
|
if (AdvISR(&boardp->dvc_var.adv_dvc_var)) {
|
|
result = IRQ_HANDLED;
|
|
ASC_STATS(shost, interrupt);
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(shost->host_lock, flags);
|
|
|
|
ASC_DBG(1, "end\n");
|
|
return result;
|
|
}
|
|
|
|
static bool AscHostReqRiscHalt(PortAddr iop_base)
|
|
{
|
|
int count = 0;
|
|
bool sta = false;
|
|
uchar saved_stop_code;
|
|
|
|
if (AscIsChipHalted(iop_base))
|
|
return true;
|
|
saved_stop_code = AscReadLramByte(iop_base, ASCV_STOP_CODE_B);
|
|
AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
|
|
ASC_STOP_HOST_REQ_RISC_HALT | ASC_STOP_REQ_RISC_STOP);
|
|
do {
|
|
if (AscIsChipHalted(iop_base)) {
|
|
sta = true;
|
|
break;
|
|
}
|
|
mdelay(100);
|
|
} while (count++ < 20);
|
|
AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, saved_stop_code);
|
|
return sta;
|
|
}
|
|
|
|
static bool
|
|
AscSetRunChipSynRegAtID(PortAddr iop_base, uchar tid_no, uchar sdtr_data)
|
|
{
|
|
bool sta = false;
|
|
|
|
if (AscHostReqRiscHalt(iop_base)) {
|
|
sta = AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
|
|
AscStartChip(iop_base);
|
|
}
|
|
return sta;
|
|
}
|
|
|
|
static void AscAsyncFix(ASC_DVC_VAR *asc_dvc, struct scsi_device *sdev)
|
|
{
|
|
char type = sdev->type;
|
|
ASC_SCSI_BIT_ID_TYPE tid_bits = 1 << sdev->id;
|
|
|
|
if (!(asc_dvc->bug_fix_cntl & ASC_BUG_FIX_ASYN_USE_SYN))
|
|
return;
|
|
if (asc_dvc->init_sdtr & tid_bits)
|
|
return;
|
|
|
|
if ((type == TYPE_ROM) && (strncmp(sdev->vendor, "HP ", 3) == 0))
|
|
asc_dvc->pci_fix_asyn_xfer_always |= tid_bits;
|
|
|
|
asc_dvc->pci_fix_asyn_xfer |= tid_bits;
|
|
if ((type == TYPE_PROCESSOR) || (type == TYPE_SCANNER) ||
|
|
(type == TYPE_ROM) || (type == TYPE_TAPE))
|
|
asc_dvc->pci_fix_asyn_xfer &= ~tid_bits;
|
|
|
|
if (asc_dvc->pci_fix_asyn_xfer & tid_bits)
|
|
AscSetRunChipSynRegAtID(asc_dvc->iop_base, sdev->id,
|
|
ASYN_SDTR_DATA_FIX_PCI_REV_AB);
|
|
}
|
|
|
|
static void
|
|
advansys_narrow_slave_configure(struct scsi_device *sdev, ASC_DVC_VAR *asc_dvc)
|
|
{
|
|
ASC_SCSI_BIT_ID_TYPE tid_bit = 1 << sdev->id;
|
|
ASC_SCSI_BIT_ID_TYPE orig_use_tagged_qng = asc_dvc->use_tagged_qng;
|
|
|
|
if (sdev->lun == 0) {
|
|
ASC_SCSI_BIT_ID_TYPE orig_init_sdtr = asc_dvc->init_sdtr;
|
|
if ((asc_dvc->cfg->sdtr_enable & tid_bit) && sdev->sdtr) {
|
|
asc_dvc->init_sdtr |= tid_bit;
|
|
} else {
|
|
asc_dvc->init_sdtr &= ~tid_bit;
|
|
}
|
|
|
|
if (orig_init_sdtr != asc_dvc->init_sdtr)
|
|
AscAsyncFix(asc_dvc, sdev);
|
|
}
|
|
|
|
if (sdev->tagged_supported) {
|
|
if (asc_dvc->cfg->cmd_qng_enabled & tid_bit) {
|
|
if (sdev->lun == 0) {
|
|
asc_dvc->cfg->can_tagged_qng |= tid_bit;
|
|
asc_dvc->use_tagged_qng |= tid_bit;
|
|
}
|
|
scsi_change_queue_depth(sdev,
|
|
asc_dvc->max_dvc_qng[sdev->id]);
|
|
}
|
|
} else {
|
|
if (sdev->lun == 0) {
|
|
asc_dvc->cfg->can_tagged_qng &= ~tid_bit;
|
|
asc_dvc->use_tagged_qng &= ~tid_bit;
|
|
}
|
|
}
|
|
|
|
if ((sdev->lun == 0) &&
|
|
(orig_use_tagged_qng != asc_dvc->use_tagged_qng)) {
|
|
AscWriteLramByte(asc_dvc->iop_base, ASCV_DISC_ENABLE_B,
|
|
asc_dvc->cfg->disc_enable);
|
|
AscWriteLramByte(asc_dvc->iop_base, ASCV_USE_TAGGED_QNG_B,
|
|
asc_dvc->use_tagged_qng);
|
|
AscWriteLramByte(asc_dvc->iop_base, ASCV_CAN_TAGGED_QNG_B,
|
|
asc_dvc->cfg->can_tagged_qng);
|
|
|
|
asc_dvc->max_dvc_qng[sdev->id] =
|
|
asc_dvc->cfg->max_tag_qng[sdev->id];
|
|
AscWriteLramByte(asc_dvc->iop_base,
|
|
(ushort)(ASCV_MAX_DVC_QNG_BEG + sdev->id),
|
|
asc_dvc->max_dvc_qng[sdev->id]);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Wide Transfers
|
|
*
|
|
* If the EEPROM enabled WDTR for the device and the device supports wide
|
|
* bus (16 bit) transfers, then turn on the device's 'wdtr_able' bit and
|
|
* write the new value to the microcode.
|
|
*/
|
|
static void
|
|
advansys_wide_enable_wdtr(AdvPortAddr iop_base, unsigned short tidmask)
|
|
{
|
|
unsigned short cfg_word;
|
|
AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
|
|
if ((cfg_word & tidmask) != 0)
|
|
return;
|
|
|
|
cfg_word |= tidmask;
|
|
AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
|
|
|
|
/*
|
|
* Clear the microcode SDTR and WDTR negotiation done indicators for
|
|
* the target to cause it to negotiate with the new setting set above.
|
|
* WDTR when accepted causes the target to enter asynchronous mode, so
|
|
* SDTR must be negotiated.
|
|
*/
|
|
AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
|
|
cfg_word &= ~tidmask;
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
|
|
AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
|
|
cfg_word &= ~tidmask;
|
|
AdvWriteWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
|
|
}
|
|
|
|
/*
|
|
* Synchronous Transfers
|
|
*
|
|
* If the EEPROM enabled SDTR for the device and the device
|
|
* supports synchronous transfers, then turn on the device's
|
|
* 'sdtr_able' bit. Write the new value to the microcode.
|
|
*/
|
|
static void
|
|
advansys_wide_enable_sdtr(AdvPortAddr iop_base, unsigned short tidmask)
|
|
{
|
|
unsigned short cfg_word;
|
|
AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
|
|
if ((cfg_word & tidmask) != 0)
|
|
return;
|
|
|
|
cfg_word |= tidmask;
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
|
|
|
|
/*
|
|
* Clear the microcode "SDTR negotiation" done indicator for the
|
|
* target to cause it to negotiate with the new setting set above.
|
|
*/
|
|
AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
|
|
cfg_word &= ~tidmask;
|
|
AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
|
|
}
|
|
|
|
/*
|
|
* PPR (Parallel Protocol Request) Capable
|
|
*
|
|
* If the device supports DT mode, then it must be PPR capable.
|
|
* The PPR message will be used in place of the SDTR and WDTR
|
|
* messages to negotiate synchronous speed and offset, transfer
|
|
* width, and protocol options.
|
|
*/
|
|
static void advansys_wide_enable_ppr(ADV_DVC_VAR *adv_dvc,
|
|
AdvPortAddr iop_base, unsigned short tidmask)
|
|
{
|
|
AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
|
|
adv_dvc->ppr_able |= tidmask;
|
|
AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
|
|
}
|
|
|
|
static void
|
|
advansys_wide_slave_configure(struct scsi_device *sdev, ADV_DVC_VAR *adv_dvc)
|
|
{
|
|
AdvPortAddr iop_base = adv_dvc->iop_base;
|
|
unsigned short tidmask = 1 << sdev->id;
|
|
|
|
if (sdev->lun == 0) {
|
|
/*
|
|
* Handle WDTR, SDTR, and Tag Queuing. If the feature
|
|
* is enabled in the EEPROM and the device supports the
|
|
* feature, then enable it in the microcode.
|
|
*/
|
|
|
|
if ((adv_dvc->wdtr_able & tidmask) && sdev->wdtr)
|
|
advansys_wide_enable_wdtr(iop_base, tidmask);
|
|
if ((adv_dvc->sdtr_able & tidmask) && sdev->sdtr)
|
|
advansys_wide_enable_sdtr(iop_base, tidmask);
|
|
if (adv_dvc->chip_type == ADV_CHIP_ASC38C1600 && sdev->ppr)
|
|
advansys_wide_enable_ppr(adv_dvc, iop_base, tidmask);
|
|
|
|
/*
|
|
* Tag Queuing is disabled for the BIOS which runs in polled
|
|
* mode and would see no benefit from Tag Queuing. Also by
|
|
* disabling Tag Queuing in the BIOS devices with Tag Queuing
|
|
* bugs will at least work with the BIOS.
|
|
*/
|
|
if ((adv_dvc->tagqng_able & tidmask) &&
|
|
sdev->tagged_supported) {
|
|
unsigned short cfg_word;
|
|
AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word);
|
|
cfg_word |= tidmask;
|
|
AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
|
|
cfg_word);
|
|
AdvWriteByteLram(iop_base,
|
|
ASC_MC_NUMBER_OF_MAX_CMD + sdev->id,
|
|
adv_dvc->max_dvc_qng);
|
|
}
|
|
}
|
|
|
|
if ((adv_dvc->tagqng_able & tidmask) && sdev->tagged_supported)
|
|
scsi_change_queue_depth(sdev, adv_dvc->max_dvc_qng);
|
|
}
|
|
|
|
/*
|
|
* Set the number of commands to queue per device for the
|
|
* specified host adapter.
|
|
*/
|
|
static int advansys_slave_configure(struct scsi_device *sdev)
|
|
{
|
|
struct asc_board *boardp = shost_priv(sdev->host);
|
|
|
|
if (ASC_NARROW_BOARD(boardp))
|
|
advansys_narrow_slave_configure(sdev,
|
|
&boardp->dvc_var.asc_dvc_var);
|
|
else
|
|
advansys_wide_slave_configure(sdev,
|
|
&boardp->dvc_var.adv_dvc_var);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static __le32 asc_get_sense_buffer_dma(struct scsi_cmnd *scp)
|
|
{
|
|
struct asc_board *board = shost_priv(scp->device->host);
|
|
|
|
scp->SCp.dma_handle = dma_map_single(board->dev, scp->sense_buffer,
|
|
SCSI_SENSE_BUFFERSIZE,
|
|
DMA_FROM_DEVICE);
|
|
if (dma_mapping_error(board->dev, scp->SCp.dma_handle)) {
|
|
ASC_DBG(1, "failed to map sense buffer\n");
|
|
return 0;
|
|
}
|
|
return cpu_to_le32(scp->SCp.dma_handle);
|
|
}
|
|
|
|
static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
|
|
struct asc_scsi_q *asc_scsi_q)
|
|
{
|
|
struct asc_dvc_var *asc_dvc = &boardp->dvc_var.asc_dvc_var;
|
|
int use_sg;
|
|
u32 srb_tag;
|
|
|
|
memset(asc_scsi_q, 0, sizeof(*asc_scsi_q));
|
|
|
|
/*
|
|
* Set the srb_tag to the command tag + 1, as
|
|
* srb_tag '0' is used internally by the chip.
|
|
*/
|
|
srb_tag = scp->request->tag + 1;
|
|
asc_scsi_q->q2.srb_tag = srb_tag;
|
|
|
|
/*
|
|
* Build the ASC_SCSI_Q request.
|
|
*/
|
|
asc_scsi_q->cdbptr = &scp->cmnd[0];
|
|
asc_scsi_q->q2.cdb_len = scp->cmd_len;
|
|
asc_scsi_q->q1.target_id = ASC_TID_TO_TARGET_ID(scp->device->id);
|
|
asc_scsi_q->q1.target_lun = scp->device->lun;
|
|
asc_scsi_q->q2.target_ix =
|
|
ASC_TIDLUN_TO_IX(scp->device->id, scp->device->lun);
|
|
asc_scsi_q->q1.sense_addr = asc_get_sense_buffer_dma(scp);
|
|
asc_scsi_q->q1.sense_len = SCSI_SENSE_BUFFERSIZE;
|
|
if (!asc_scsi_q->q1.sense_addr)
|
|
return ASC_BUSY;
|
|
|
|
/*
|
|
* If there are any outstanding requests for the current target,
|
|
* then every 255th request send an ORDERED request. This heuristic
|
|
* tries to retain the benefit of request sorting while preventing
|
|
* request starvation. 255 is the max number of tags or pending commands
|
|
* a device may have outstanding.
|
|
*
|
|
* The request count is incremented below for every successfully
|
|
* started request.
|
|
*
|
|
*/
|
|
if ((asc_dvc->cur_dvc_qng[scp->device->id] > 0) &&
|
|
(boardp->reqcnt[scp->device->id] % 255) == 0) {
|
|
asc_scsi_q->q2.tag_code = ORDERED_QUEUE_TAG;
|
|
} else {
|
|
asc_scsi_q->q2.tag_code = SIMPLE_QUEUE_TAG;
|
|
}
|
|
|
|
/* Build ASC_SCSI_Q */
|
|
use_sg = scsi_dma_map(scp);
|
|
if (use_sg < 0) {
|
|
ASC_DBG(1, "failed to map sglist\n");
|
|
return ASC_BUSY;
|
|
} else if (use_sg > 0) {
|
|
int sgcnt;
|
|
struct scatterlist *slp;
|
|
struct asc_sg_head *asc_sg_head;
|
|
|
|
if (use_sg > scp->device->host->sg_tablesize) {
|
|
scmd_printk(KERN_ERR, scp, "use_sg %d > "
|
|
"sg_tablesize %d\n", use_sg,
|
|
scp->device->host->sg_tablesize);
|
|
scsi_dma_unmap(scp);
|
|
scp->result = HOST_BYTE(DID_ERROR);
|
|
return ASC_ERROR;
|
|
}
|
|
|
|
asc_sg_head = kzalloc(sizeof(asc_scsi_q->sg_head) +
|
|
use_sg * sizeof(struct asc_sg_list), GFP_ATOMIC);
|
|
if (!asc_sg_head) {
|
|
scsi_dma_unmap(scp);
|
|
scp->result = HOST_BYTE(DID_SOFT_ERROR);
|
|
return ASC_ERROR;
|
|
}
|
|
|
|
asc_scsi_q->q1.cntl |= QC_SG_HEAD;
|
|
asc_scsi_q->sg_head = asc_sg_head;
|
|
asc_scsi_q->q1.data_cnt = 0;
|
|
asc_scsi_q->q1.data_addr = 0;
|
|
/* This is a byte value, otherwise it would need to be swapped. */
|
|
asc_sg_head->entry_cnt = asc_scsi_q->q1.sg_queue_cnt = use_sg;
|
|
ASC_STATS_ADD(scp->device->host, xfer_elem,
|
|
asc_sg_head->entry_cnt);
|
|
|
|
/*
|
|
* Convert scatter-gather list into ASC_SG_HEAD list.
|
|
*/
|
|
scsi_for_each_sg(scp, slp, use_sg, sgcnt) {
|
|
asc_sg_head->sg_list[sgcnt].addr =
|
|
cpu_to_le32(sg_dma_address(slp));
|
|
asc_sg_head->sg_list[sgcnt].bytes =
|
|
cpu_to_le32(sg_dma_len(slp));
|
|
ASC_STATS_ADD(scp->device->host, xfer_sect,
|
|
DIV_ROUND_UP(sg_dma_len(slp), 512));
|
|
}
|
|
}
|
|
|
|
ASC_STATS(scp->device->host, xfer_cnt);
|
|
|
|
ASC_DBG_PRT_ASC_SCSI_Q(2, asc_scsi_q);
|
|
ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);
|
|
|
|
return ASC_NOERROR;
|
|
}
|
|
|
|
/*
|
|
* Build scatter-gather list for Adv Library (Wide Board).
|
|
*
|
|
* Additional ADV_SG_BLOCK structures will need to be allocated
|
|
* if the total number of scatter-gather elements exceeds
|
|
* NO_OF_SG_PER_BLOCK (15). The ADV_SG_BLOCK structures are
|
|
* assumed to be physically contiguous.
|
|
*
|
|
* Return:
|
|
* ADV_SUCCESS(1) - SG List successfully created
|
|
* ADV_ERROR(-1) - SG List creation failed
|
|
*/
|
|
static int
|
|
adv_get_sglist(struct asc_board *boardp, adv_req_t *reqp,
|
|
ADV_SCSI_REQ_Q *scsiqp, struct scsi_cmnd *scp, int use_sg)
|
|
{
|
|
adv_sgblk_t *sgblkp, *prev_sgblkp;
|
|
struct scatterlist *slp;
|
|
int sg_elem_cnt;
|
|
ADV_SG_BLOCK *sg_block, *prev_sg_block;
|
|
dma_addr_t sgblk_paddr;
|
|
int i;
|
|
|
|
slp = scsi_sglist(scp);
|
|
sg_elem_cnt = use_sg;
|
|
prev_sgblkp = NULL;
|
|
prev_sg_block = NULL;
|
|
reqp->sgblkp = NULL;
|
|
|
|
for (;;) {
|
|
/*
|
|
* Allocate a 'adv_sgblk_t' structure from the board free
|
|
* list. One 'adv_sgblk_t' structure holds NO_OF_SG_PER_BLOCK
|
|
* (15) scatter-gather elements.
|
|
*/
|
|
sgblkp = dma_pool_alloc(boardp->adv_sgblk_pool, GFP_ATOMIC,
|
|
&sgblk_paddr);
|
|
if (!sgblkp) {
|
|
ASC_DBG(1, "no free adv_sgblk_t\n");
|
|
ASC_STATS(scp->device->host, adv_build_nosg);
|
|
|
|
/*
|
|
* Allocation failed. Free 'adv_sgblk_t' structures
|
|
* already allocated for the request.
|
|
*/
|
|
while ((sgblkp = reqp->sgblkp) != NULL) {
|
|
/* Remove 'sgblkp' from the request list. */
|
|
reqp->sgblkp = sgblkp->next_sgblkp;
|
|
sgblkp->next_sgblkp = NULL;
|
|
dma_pool_free(boardp->adv_sgblk_pool, sgblkp,
|
|
sgblkp->sg_addr);
|
|
}
|
|
return ASC_BUSY;
|
|
}
|
|
/* Complete 'adv_sgblk_t' board allocation. */
|
|
sgblkp->sg_addr = sgblk_paddr;
|
|
sgblkp->next_sgblkp = NULL;
|
|
sg_block = &sgblkp->sg_block;
|
|
|
|
/*
|
|
* Check if this is the first 'adv_sgblk_t' for the
|
|
* request.
|
|
*/
|
|
if (reqp->sgblkp == NULL) {
|
|
/* Request's first scatter-gather block. */
|
|
reqp->sgblkp = sgblkp;
|
|
|
|
/*
|
|
* Set ADV_SCSI_REQ_T ADV_SG_BLOCK virtual and physical
|
|
* address pointers.
|
|
*/
|
|
scsiqp->sg_list_ptr = sg_block;
|
|
scsiqp->sg_real_addr = cpu_to_le32(sgblk_paddr);
|
|
} else {
|
|
/* Request's second or later scatter-gather block. */
|
|
prev_sgblkp->next_sgblkp = sgblkp;
|
|
|
|
/*
|
|
* Point the previous ADV_SG_BLOCK structure to
|
|
* the newly allocated ADV_SG_BLOCK structure.
|
|
*/
|
|
prev_sg_block->sg_ptr = cpu_to_le32(sgblk_paddr);
|
|
}
|
|
|
|
for (i = 0; i < NO_OF_SG_PER_BLOCK; i++) {
|
|
sg_block->sg_list[i].sg_addr =
|
|
cpu_to_le32(sg_dma_address(slp));
|
|
sg_block->sg_list[i].sg_count =
|
|
cpu_to_le32(sg_dma_len(slp));
|
|
ASC_STATS_ADD(scp->device->host, xfer_sect,
|
|
DIV_ROUND_UP(sg_dma_len(slp), 512));
|
|
|
|
if (--sg_elem_cnt == 0) {
|
|
/*
|
|
* Last ADV_SG_BLOCK and scatter-gather entry.
|
|
*/
|
|
sg_block->sg_cnt = i + 1;
|
|
sg_block->sg_ptr = 0L; /* Last ADV_SG_BLOCK in list. */
|
|
return ADV_SUCCESS;
|
|
}
|
|
slp++;
|
|
}
|
|
sg_block->sg_cnt = NO_OF_SG_PER_BLOCK;
|
|
prev_sg_block = sg_block;
|
|
prev_sgblkp = sgblkp;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Build a request structure for the Adv Library (Wide Board).
|
|
*
|
|
* If an adv_req_t can not be allocated to issue the request,
|
|
* then return ASC_BUSY. If an error occurs, then return ASC_ERROR.
|
|
*
|
|
* Multi-byte fields in the ADV_SCSI_REQ_Q that are used by the
|
|
* microcode for DMA addresses or math operations are byte swapped
|
|
* to little-endian order.
|
|
*/
|
|
static int
|
|
adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
|
|
adv_req_t **adv_reqpp)
|
|
{
|
|
u32 srb_tag = scp->request->tag;
|
|
adv_req_t *reqp;
|
|
ADV_SCSI_REQ_Q *scsiqp;
|
|
int ret;
|
|
int use_sg;
|
|
dma_addr_t sense_addr;
|
|
|
|
/*
|
|
* Allocate an adv_req_t structure from the board to execute
|
|
* the command.
|
|
*/
|
|
reqp = &boardp->adv_reqp[srb_tag];
|
|
if (reqp->cmndp && reqp->cmndp != scp ) {
|
|
ASC_DBG(1, "no free adv_req_t\n");
|
|
ASC_STATS(scp->device->host, adv_build_noreq);
|
|
return ASC_BUSY;
|
|
}
|
|
|
|
reqp->req_addr = boardp->adv_reqp_addr + (srb_tag * sizeof(adv_req_t));
|
|
|
|
scsiqp = &reqp->scsi_req_q;
|
|
|
|
/*
|
|
* Initialize the structure.
|
|
*/
|
|
scsiqp->cntl = scsiqp->scsi_cntl = scsiqp->done_status = 0;
|
|
|
|
/*
|
|
* Set the srb_tag to the command tag.
|
|
*/
|
|
scsiqp->srb_tag = srb_tag;
|
|
|
|
/*
|
|
* Set 'host_scribble' to point to the adv_req_t structure.
|
|
*/
|
|
reqp->cmndp = scp;
|
|
scp->host_scribble = (void *)reqp;
|
|
|
|
/*
|
|
* Build the ADV_SCSI_REQ_Q request.
|
|
*/
|
|
|
|
/* Set CDB length and copy it to the request structure. */
|
|
scsiqp->cdb_len = scp->cmd_len;
|
|
/* Copy first 12 CDB bytes to cdb[]. */
|
|
memcpy(scsiqp->cdb, scp->cmnd, scp->cmd_len < 12 ? scp->cmd_len : 12);
|
|
/* Copy last 4 CDB bytes, if present, to cdb16[]. */
|
|
if (scp->cmd_len > 12) {
|
|
int cdb16_len = scp->cmd_len - 12;
|
|
|
|
memcpy(scsiqp->cdb16, &scp->cmnd[12], cdb16_len);
|
|
}
|
|
|
|
scsiqp->target_id = scp->device->id;
|
|
scsiqp->target_lun = scp->device->lun;
|
|
|
|
sense_addr = dma_map_single(boardp->dev, scp->sense_buffer,
|
|
SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
|
|
if (dma_mapping_error(boardp->dev, sense_addr)) {
|
|
ASC_DBG(1, "failed to map sense buffer\n");
|
|
ASC_STATS(scp->device->host, adv_build_noreq);
|
|
return ASC_BUSY;
|
|
}
|
|
scsiqp->sense_addr = cpu_to_le32(sense_addr);
|
|
scsiqp->sense_len = SCSI_SENSE_BUFFERSIZE;
|
|
|
|
/* Build ADV_SCSI_REQ_Q */
|
|
|
|
use_sg = scsi_dma_map(scp);
|
|
if (use_sg < 0) {
|
|
ASC_DBG(1, "failed to map SG list\n");
|
|
ASC_STATS(scp->device->host, adv_build_noreq);
|
|
return ASC_BUSY;
|
|
} else if (use_sg == 0) {
|
|
/* Zero-length transfer */
|
|
reqp->sgblkp = NULL;
|
|
scsiqp->data_cnt = 0;
|
|
|
|
scsiqp->data_addr = 0;
|
|
scsiqp->sg_list_ptr = NULL;
|
|
scsiqp->sg_real_addr = 0;
|
|
} else {
|
|
if (use_sg > ADV_MAX_SG_LIST) {
|
|
scmd_printk(KERN_ERR, scp, "use_sg %d > "
|
|
"ADV_MAX_SG_LIST %d\n", use_sg,
|
|
scp->device->host->sg_tablesize);
|
|
scsi_dma_unmap(scp);
|
|
scp->result = HOST_BYTE(DID_ERROR);
|
|
reqp->cmndp = NULL;
|
|
scp->host_scribble = NULL;
|
|
|
|
return ASC_ERROR;
|
|
}
|
|
|
|
scsiqp->data_cnt = cpu_to_le32(scsi_bufflen(scp));
|
|
|
|
ret = adv_get_sglist(boardp, reqp, scsiqp, scp, use_sg);
|
|
if (ret != ADV_SUCCESS) {
|
|
scsi_dma_unmap(scp);
|
|
scp->result = HOST_BYTE(DID_ERROR);
|
|
reqp->cmndp = NULL;
|
|
scp->host_scribble = NULL;
|
|
|
|
return ret;
|
|
}
|
|
|
|
ASC_STATS_ADD(scp->device->host, xfer_elem, use_sg);
|
|
}
|
|
|
|
ASC_STATS(scp->device->host, xfer_cnt);
|
|
|
|
ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);
|
|
ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);
|
|
|
|
*adv_reqpp = reqp;
|
|
|
|
return ASC_NOERROR;
|
|
}
|
|
|
|
static int AscSgListToQueue(int sg_list)
|
|
{
|
|
int n_sg_list_qs;
|
|
|
|
n_sg_list_qs = ((sg_list - 1) / ASC_SG_LIST_PER_Q);
|
|
if (((sg_list - 1) % ASC_SG_LIST_PER_Q) != 0)
|
|
n_sg_list_qs++;
|
|
return n_sg_list_qs + 1;
|
|
}
|
|
|
|
static uint
|
|
AscGetNumOfFreeQueue(ASC_DVC_VAR *asc_dvc, uchar target_ix, uchar n_qs)
|
|
{
|
|
uint cur_used_qs;
|
|
uint cur_free_qs;
|
|
ASC_SCSI_BIT_ID_TYPE target_id;
|
|
uchar tid_no;
|
|
|
|
target_id = ASC_TIX_TO_TARGET_ID(target_ix);
|
|
tid_no = ASC_TIX_TO_TID(target_ix);
|
|
if ((asc_dvc->unit_not_ready & target_id) ||
|
|
(asc_dvc->queue_full_or_busy & target_id)) {
|
|
return 0;
|
|
}
|
|
if (n_qs == 1) {
|
|
cur_used_qs = (uint) asc_dvc->cur_total_qng +
|
|
(uint) asc_dvc->last_q_shortage + (uint) ASC_MIN_FREE_Q;
|
|
} else {
|
|
cur_used_qs = (uint) asc_dvc->cur_total_qng +
|
|
(uint) ASC_MIN_FREE_Q;
|
|
}
|
|
if ((uint) (cur_used_qs + n_qs) <= (uint) asc_dvc->max_total_qng) {
|
|
cur_free_qs = (uint) asc_dvc->max_total_qng - cur_used_qs;
|
|
if (asc_dvc->cur_dvc_qng[tid_no] >=
|
|
asc_dvc->max_dvc_qng[tid_no]) {
|
|
return 0;
|
|
}
|
|
return cur_free_qs;
|
|
}
|
|
if (n_qs > 1) {
|
|
if ((n_qs > asc_dvc->last_q_shortage)
|
|
&& (n_qs <= (asc_dvc->max_total_qng - ASC_MIN_FREE_Q))) {
|
|
asc_dvc->last_q_shortage = n_qs;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static uchar AscAllocFreeQueue(PortAddr iop_base, uchar free_q_head)
|
|
{
|
|
ushort q_addr;
|
|
uchar next_qp;
|
|
uchar q_status;
|
|
|
|
q_addr = ASC_QNO_TO_QADDR(free_q_head);
|
|
q_status = (uchar)AscReadLramByte(iop_base,
|
|
(ushort)(q_addr +
|
|
ASC_SCSIQ_B_STATUS));
|
|
next_qp = AscReadLramByte(iop_base, (ushort)(q_addr + ASC_SCSIQ_B_FWD));
|
|
if (((q_status & QS_READY) == 0) && (next_qp != ASC_QLINK_END))
|
|
return next_qp;
|
|
return ASC_QLINK_END;
|
|
}
|
|
|
|
static uchar
|
|
AscAllocMultipleFreeQueue(PortAddr iop_base, uchar free_q_head, uchar n_free_q)
|
|
{
|
|
uchar i;
|
|
|
|
for (i = 0; i < n_free_q; i++) {
|
|
free_q_head = AscAllocFreeQueue(iop_base, free_q_head);
|
|
if (free_q_head == ASC_QLINK_END)
|
|
break;
|
|
}
|
|
return free_q_head;
|
|
}
|
|
|
|
/*
|
|
* void
|
|
* DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
|
|
*
|
|
* Calling/Exit State:
|
|
* none
|
|
*
|
|
* Description:
|
|
* Output an ASC_SCSI_Q structure to the chip
|
|
*/
|
|
static void
|
|
DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
|
|
{
|
|
int i;
|
|
|
|
ASC_DBG_PRT_HEX(2, "DvcPutScsiQ", outbuf, 2 * words);
|
|
AscSetChipLramAddr(iop_base, s_addr);
|
|
for (i = 0; i < 2 * words; i += 2) {
|
|
if (i == 4 || i == 20) {
|
|
continue;
|
|
}
|
|
outpw(iop_base + IOP_RAM_DATA,
|
|
((ushort)outbuf[i + 1] << 8) | outbuf[i]);
|
|
}
|
|
}
|
|
|
|
static int AscPutReadyQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
|
|
{
|
|
ushort q_addr;
|
|
uchar tid_no;
|
|
uchar sdtr_data;
|
|
uchar syn_period_ix;
|
|
uchar syn_offset;
|
|
PortAddr iop_base;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
if (((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) &&
|
|
((asc_dvc->sdtr_done & scsiq->q1.target_id) == 0)) {
|
|
tid_no = ASC_TIX_TO_TID(scsiq->q2.target_ix);
|
|
sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
|
|
syn_period_ix =
|
|
(sdtr_data >> 4) & (asc_dvc->max_sdtr_index - 1);
|
|
syn_offset = sdtr_data & ASC_SYN_MAX_OFFSET;
|
|
AscMsgOutSDTR(asc_dvc,
|
|
asc_dvc->sdtr_period_tbl[syn_period_ix],
|
|
syn_offset);
|
|
scsiq->q1.cntl |= QC_MSG_OUT;
|
|
}
|
|
q_addr = ASC_QNO_TO_QADDR(q_no);
|
|
if ((scsiq->q1.target_id & asc_dvc->use_tagged_qng) == 0) {
|
|
scsiq->q2.tag_code &= ~SIMPLE_QUEUE_TAG;
|
|
}
|
|
scsiq->q1.status = QS_FREE;
|
|
AscMemWordCopyPtrToLram(iop_base,
|
|
q_addr + ASC_SCSIQ_CDB_BEG,
|
|
(uchar *)scsiq->cdbptr, scsiq->q2.cdb_len >> 1);
|
|
|
|
DvcPutScsiQ(iop_base,
|
|
q_addr + ASC_SCSIQ_CPY_BEG,
|
|
(uchar *)&scsiq->q1.cntl,
|
|
((sizeof(ASC_SCSIQ_1) + sizeof(ASC_SCSIQ_2)) / 2) - 1);
|
|
AscWriteLramWord(iop_base,
|
|
(ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS),
|
|
(ushort)(((ushort)scsiq->q1.
|
|
q_no << 8) | (ushort)QS_READY));
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
AscPutReadySgListQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
|
|
{
|
|
int sta;
|
|
int i;
|
|
ASC_SG_HEAD *sg_head;
|
|
ASC_SG_LIST_Q scsi_sg_q;
|
|
__le32 saved_data_addr;
|
|
__le32 saved_data_cnt;
|
|
PortAddr iop_base;
|
|
ushort sg_list_dwords;
|
|
ushort sg_index;
|
|
ushort sg_entry_cnt;
|
|
ushort q_addr;
|
|
uchar next_qp;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
sg_head = scsiq->sg_head;
|
|
saved_data_addr = scsiq->q1.data_addr;
|
|
saved_data_cnt = scsiq->q1.data_cnt;
|
|
scsiq->q1.data_addr = cpu_to_le32(sg_head->sg_list[0].addr);
|
|
scsiq->q1.data_cnt = cpu_to_le32(sg_head->sg_list[0].bytes);
|
|
/*
|
|
* Set sg_entry_cnt to be the number of SG elements that
|
|
* will fit in the allocated SG queues. It is minus 1, because
|
|
* the first SG element is handled above.
|
|
*/
|
|
sg_entry_cnt = sg_head->entry_cnt - 1;
|
|
|
|
if (sg_entry_cnt != 0) {
|
|
scsiq->q1.cntl |= QC_SG_HEAD;
|
|
q_addr = ASC_QNO_TO_QADDR(q_no);
|
|
sg_index = 1;
|
|
scsiq->q1.sg_queue_cnt = sg_head->queue_cnt;
|
|
scsi_sg_q.sg_head_qp = q_no;
|
|
scsi_sg_q.cntl = QCSG_SG_XFER_LIST;
|
|
for (i = 0; i < sg_head->queue_cnt; i++) {
|
|
scsi_sg_q.seq_no = i + 1;
|
|
if (sg_entry_cnt > ASC_SG_LIST_PER_Q) {
|
|
sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2);
|
|
sg_entry_cnt -= ASC_SG_LIST_PER_Q;
|
|
if (i == 0) {
|
|
scsi_sg_q.sg_list_cnt =
|
|
ASC_SG_LIST_PER_Q;
|
|
scsi_sg_q.sg_cur_list_cnt =
|
|
ASC_SG_LIST_PER_Q;
|
|
} else {
|
|
scsi_sg_q.sg_list_cnt =
|
|
ASC_SG_LIST_PER_Q - 1;
|
|
scsi_sg_q.sg_cur_list_cnt =
|
|
ASC_SG_LIST_PER_Q - 1;
|
|
}
|
|
} else {
|
|
scsi_sg_q.cntl |= QCSG_SG_XFER_END;
|
|
sg_list_dwords = sg_entry_cnt << 1;
|
|
if (i == 0) {
|
|
scsi_sg_q.sg_list_cnt = sg_entry_cnt;
|
|
scsi_sg_q.sg_cur_list_cnt =
|
|
sg_entry_cnt;
|
|
} else {
|
|
scsi_sg_q.sg_list_cnt =
|
|
sg_entry_cnt - 1;
|
|
scsi_sg_q.sg_cur_list_cnt =
|
|
sg_entry_cnt - 1;
|
|
}
|
|
sg_entry_cnt = 0;
|
|
}
|
|
next_qp = AscReadLramByte(iop_base,
|
|
(ushort)(q_addr +
|
|
ASC_SCSIQ_B_FWD));
|
|
scsi_sg_q.q_no = next_qp;
|
|
q_addr = ASC_QNO_TO_QADDR(next_qp);
|
|
AscMemWordCopyPtrToLram(iop_base,
|
|
q_addr + ASC_SCSIQ_SGHD_CPY_BEG,
|
|
(uchar *)&scsi_sg_q,
|
|
sizeof(ASC_SG_LIST_Q) >> 1);
|
|
AscMemDWordCopyPtrToLram(iop_base,
|
|
q_addr + ASC_SGQ_LIST_BEG,
|
|
(uchar *)&sg_head->
|
|
sg_list[sg_index],
|
|
sg_list_dwords);
|
|
sg_index += ASC_SG_LIST_PER_Q;
|
|
scsiq->next_sg_index = sg_index;
|
|
}
|
|
} else {
|
|
scsiq->q1.cntl &= ~QC_SG_HEAD;
|
|
}
|
|
sta = AscPutReadyQueue(asc_dvc, scsiq, q_no);
|
|
scsiq->q1.data_addr = saved_data_addr;
|
|
scsiq->q1.data_cnt = saved_data_cnt;
|
|
return (sta);
|
|
}
|
|
|
|
static int
|
|
AscSendScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar n_q_required)
|
|
{
|
|
PortAddr iop_base;
|
|
uchar free_q_head;
|
|
uchar next_qp;
|
|
uchar tid_no;
|
|
uchar target_ix;
|
|
int sta;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
target_ix = scsiq->q2.target_ix;
|
|
tid_no = ASC_TIX_TO_TID(target_ix);
|
|
sta = 0;
|
|
free_q_head = (uchar)AscGetVarFreeQHead(iop_base);
|
|
if (n_q_required > 1) {
|
|
next_qp = AscAllocMultipleFreeQueue(iop_base, free_q_head,
|
|
(uchar)n_q_required);
|
|
if (next_qp != ASC_QLINK_END) {
|
|
asc_dvc->last_q_shortage = 0;
|
|
scsiq->sg_head->queue_cnt = n_q_required - 1;
|
|
scsiq->q1.q_no = free_q_head;
|
|
sta = AscPutReadySgListQueue(asc_dvc, scsiq,
|
|
free_q_head);
|
|
}
|
|
} else if (n_q_required == 1) {
|
|
next_qp = AscAllocFreeQueue(iop_base, free_q_head);
|
|
if (next_qp != ASC_QLINK_END) {
|
|
scsiq->q1.q_no = free_q_head;
|
|
sta = AscPutReadyQueue(asc_dvc, scsiq, free_q_head);
|
|
}
|
|
}
|
|
if (sta == 1) {
|
|
AscPutVarFreeQHead(iop_base, next_qp);
|
|
asc_dvc->cur_total_qng += n_q_required;
|
|
asc_dvc->cur_dvc_qng[tid_no]++;
|
|
}
|
|
return sta;
|
|
}
|
|
|
|
#define ASC_SYN_OFFSET_ONE_DISABLE_LIST 16
|
|
static uchar _syn_offset_one_disable_cmd[ASC_SYN_OFFSET_ONE_DISABLE_LIST] = {
|
|
INQUIRY,
|
|
REQUEST_SENSE,
|
|
READ_CAPACITY,
|
|
READ_TOC,
|
|
MODE_SELECT,
|
|
MODE_SENSE,
|
|
MODE_SELECT_10,
|
|
MODE_SENSE_10,
|
|
0xFF,
|
|
0xFF,
|
|
0xFF,
|
|
0xFF,
|
|
0xFF,
|
|
0xFF,
|
|
0xFF,
|
|
0xFF
|
|
};
|
|
|
|
static int AscExeScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq)
|
|
{
|
|
PortAddr iop_base;
|
|
int sta;
|
|
int n_q_required;
|
|
bool disable_syn_offset_one_fix;
|
|
int i;
|
|
u32 addr;
|
|
ushort sg_entry_cnt = 0;
|
|
ushort sg_entry_cnt_minus_one = 0;
|
|
uchar target_ix;
|
|
uchar tid_no;
|
|
uchar sdtr_data;
|
|
uchar extra_bytes;
|
|
uchar scsi_cmd;
|
|
uchar disable_cmd;
|
|
ASC_SG_HEAD *sg_head;
|
|
unsigned long data_cnt;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
sg_head = scsiq->sg_head;
|
|
if (asc_dvc->err_code != 0)
|
|
return ASC_ERROR;
|
|
scsiq->q1.q_no = 0;
|
|
if ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0) {
|
|
scsiq->q1.extra_bytes = 0;
|
|
}
|
|
sta = 0;
|
|
target_ix = scsiq->q2.target_ix;
|
|
tid_no = ASC_TIX_TO_TID(target_ix);
|
|
n_q_required = 1;
|
|
if (scsiq->cdbptr[0] == REQUEST_SENSE) {
|
|
if ((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) {
|
|
asc_dvc->sdtr_done &= ~scsiq->q1.target_id;
|
|
sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
|
|
AscMsgOutSDTR(asc_dvc,
|
|
asc_dvc->
|
|
sdtr_period_tbl[(sdtr_data >> 4) &
|
|
(uchar)(asc_dvc->
|
|
max_sdtr_index -
|
|
1)],
|
|
(uchar)(sdtr_data & (uchar)
|
|
ASC_SYN_MAX_OFFSET));
|
|
scsiq->q1.cntl |= (QC_MSG_OUT | QC_URGENT);
|
|
}
|
|
}
|
|
if (asc_dvc->in_critical_cnt != 0) {
|
|
AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CRITICAL_RE_ENTRY);
|
|
return ASC_ERROR;
|
|
}
|
|
asc_dvc->in_critical_cnt++;
|
|
if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
|
|
if ((sg_entry_cnt = sg_head->entry_cnt) == 0) {
|
|
asc_dvc->in_critical_cnt--;
|
|
return ASC_ERROR;
|
|
}
|
|
if (sg_entry_cnt > ASC_MAX_SG_LIST) {
|
|
asc_dvc->in_critical_cnt--;
|
|
return ASC_ERROR;
|
|
}
|
|
if (sg_entry_cnt == 1) {
|
|
scsiq->q1.data_addr = cpu_to_le32(sg_head->sg_list[0].addr);
|
|
scsiq->q1.data_cnt = cpu_to_le32(sg_head->sg_list[0].bytes);
|
|
scsiq->q1.cntl &= ~(QC_SG_HEAD | QC_SG_SWAP_QUEUE);
|
|
}
|
|
sg_entry_cnt_minus_one = sg_entry_cnt - 1;
|
|
}
|
|
scsi_cmd = scsiq->cdbptr[0];
|
|
disable_syn_offset_one_fix = false;
|
|
if ((asc_dvc->pci_fix_asyn_xfer & scsiq->q1.target_id) &&
|
|
!(asc_dvc->pci_fix_asyn_xfer_always & scsiq->q1.target_id)) {
|
|
if (scsiq->q1.cntl & QC_SG_HEAD) {
|
|
data_cnt = 0;
|
|
for (i = 0; i < sg_entry_cnt; i++) {
|
|
data_cnt += le32_to_cpu(sg_head->sg_list[i].
|
|
bytes);
|
|
}
|
|
} else {
|
|
data_cnt = le32_to_cpu(scsiq->q1.data_cnt);
|
|
}
|
|
if (data_cnt != 0UL) {
|
|
if (data_cnt < 512UL) {
|
|
disable_syn_offset_one_fix = true;
|
|
} else {
|
|
for (i = 0; i < ASC_SYN_OFFSET_ONE_DISABLE_LIST;
|
|
i++) {
|
|
disable_cmd =
|
|
_syn_offset_one_disable_cmd[i];
|
|
if (disable_cmd == 0xFF) {
|
|
break;
|
|
}
|
|
if (scsi_cmd == disable_cmd) {
|
|
disable_syn_offset_one_fix =
|
|
true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (disable_syn_offset_one_fix) {
|
|
scsiq->q2.tag_code &= ~SIMPLE_QUEUE_TAG;
|
|
scsiq->q2.tag_code |= (ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX |
|
|
ASC_TAG_FLAG_DISABLE_DISCONNECT);
|
|
} else {
|
|
scsiq->q2.tag_code &= 0x27;
|
|
}
|
|
if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
|
|
if (asc_dvc->bug_fix_cntl) {
|
|
if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
|
|
if ((scsi_cmd == READ_6) ||
|
|
(scsi_cmd == READ_10)) {
|
|
addr = le32_to_cpu(sg_head->
|
|
sg_list
|
|
[sg_entry_cnt_minus_one].
|
|
addr) +
|
|
le32_to_cpu(sg_head->
|
|
sg_list
|
|
[sg_entry_cnt_minus_one].
|
|
bytes);
|
|
extra_bytes =
|
|
(uchar)((ushort)addr & 0x0003);
|
|
if ((extra_bytes != 0)
|
|
&&
|
|
((scsiq->q2.
|
|
tag_code &
|
|
ASC_TAG_FLAG_EXTRA_BYTES)
|
|
== 0)) {
|
|
scsiq->q2.tag_code |=
|
|
ASC_TAG_FLAG_EXTRA_BYTES;
|
|
scsiq->q1.extra_bytes =
|
|
extra_bytes;
|
|
data_cnt =
|
|
le32_to_cpu(sg_head->
|
|
sg_list
|
|
[sg_entry_cnt_minus_one].
|
|
bytes);
|
|
data_cnt -= extra_bytes;
|
|
sg_head->
|
|
sg_list
|
|
[sg_entry_cnt_minus_one].
|
|
bytes =
|
|
cpu_to_le32(data_cnt);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
sg_head->entry_to_copy = sg_head->entry_cnt;
|
|
n_q_required = AscSgListToQueue(sg_entry_cnt);
|
|
if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, n_q_required) >=
|
|
(uint) n_q_required)
|
|
|| ((scsiq->q1.cntl & QC_URGENT) != 0)) {
|
|
if ((sta =
|
|
AscSendScsiQueue(asc_dvc, scsiq,
|
|
n_q_required)) == 1) {
|
|
asc_dvc->in_critical_cnt--;
|
|
return (sta);
|
|
}
|
|
}
|
|
} else {
|
|
if (asc_dvc->bug_fix_cntl) {
|
|
if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
|
|
if ((scsi_cmd == READ_6) ||
|
|
(scsi_cmd == READ_10)) {
|
|
addr =
|
|
le32_to_cpu(scsiq->q1.data_addr) +
|
|
le32_to_cpu(scsiq->q1.data_cnt);
|
|
extra_bytes =
|
|
(uchar)((ushort)addr & 0x0003);
|
|
if ((extra_bytes != 0)
|
|
&&
|
|
((scsiq->q2.
|
|
tag_code &
|
|
ASC_TAG_FLAG_EXTRA_BYTES)
|
|
== 0)) {
|
|
data_cnt =
|
|
le32_to_cpu(scsiq->q1.
|
|
data_cnt);
|
|
if (((ushort)data_cnt & 0x01FF)
|
|
== 0) {
|
|
scsiq->q2.tag_code |=
|
|
ASC_TAG_FLAG_EXTRA_BYTES;
|
|
data_cnt -= extra_bytes;
|
|
scsiq->q1.data_cnt =
|
|
cpu_to_le32
|
|
(data_cnt);
|
|
scsiq->q1.extra_bytes =
|
|
extra_bytes;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
n_q_required = 1;
|
|
if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, 1) >= 1) ||
|
|
((scsiq->q1.cntl & QC_URGENT) != 0)) {
|
|
if ((sta = AscSendScsiQueue(asc_dvc, scsiq,
|
|
n_q_required)) == 1) {
|
|
asc_dvc->in_critical_cnt--;
|
|
return (sta);
|
|
}
|
|
}
|
|
}
|
|
asc_dvc->in_critical_cnt--;
|
|
return (sta);
|
|
}
|
|
|
|
/*
|
|
* AdvExeScsiQueue() - Send a request to the RISC microcode program.
|
|
*
|
|
* Allocate a carrier structure, point the carrier to the ADV_SCSI_REQ_Q,
|
|
* add the carrier to the ICQ (Initiator Command Queue), and tickle the
|
|
* RISC to notify it a new command is ready to be executed.
|
|
*
|
|
* If 'done_status' is not set to QD_DO_RETRY, then 'error_retry' will be
|
|
* set to SCSI_MAX_RETRY.
|
|
*
|
|
* Multi-byte fields in the ADV_SCSI_REQ_Q that are used by the microcode
|
|
* for DMA addresses or math operations are byte swapped to little-endian
|
|
* order.
|
|
*
|
|
* Return:
|
|
* ADV_SUCCESS(1) - The request was successfully queued.
|
|
* ADV_BUSY(0) - Resource unavailable; Retry again after pending
|
|
* request completes.
|
|
* ADV_ERROR(-1) - Invalid ADV_SCSI_REQ_Q request structure
|
|
* host IC error.
|
|
*/
|
|
static int AdvExeScsiQueue(ADV_DVC_VAR *asc_dvc, adv_req_t *reqp)
|
|
{
|
|
AdvPortAddr iop_base;
|
|
ADV_CARR_T *new_carrp;
|
|
ADV_SCSI_REQ_Q *scsiq = &reqp->scsi_req_q;
|
|
|
|
/*
|
|
* The ADV_SCSI_REQ_Q 'target_id' field should never exceed ADV_MAX_TID.
|
|
*/
|
|
if (scsiq->target_id > ADV_MAX_TID) {
|
|
scsiq->host_status = QHSTA_M_INVALID_DEVICE;
|
|
scsiq->done_status = QD_WITH_ERROR;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
|
|
/*
|
|
* Allocate a carrier ensuring at least one carrier always
|
|
* remains on the freelist and initialize fields.
|
|
*/
|
|
new_carrp = adv_get_next_carrier(asc_dvc);
|
|
if (!new_carrp) {
|
|
ASC_DBG(1, "No free carriers\n");
|
|
return ADV_BUSY;
|
|
}
|
|
|
|
asc_dvc->carr_pending_cnt++;
|
|
|
|
/* Save virtual and physical address of ADV_SCSI_REQ_Q and carrier. */
|
|
scsiq->scsiq_ptr = cpu_to_le32(scsiq->srb_tag);
|
|
scsiq->scsiq_rptr = cpu_to_le32(reqp->req_addr);
|
|
|
|
scsiq->carr_va = asc_dvc->icq_sp->carr_va;
|
|
scsiq->carr_pa = asc_dvc->icq_sp->carr_pa;
|
|
|
|
/*
|
|
* Use the current stopper to send the ADV_SCSI_REQ_Q command to
|
|
* the microcode. The newly allocated stopper will become the new
|
|
* stopper.
|
|
*/
|
|
asc_dvc->icq_sp->areq_vpa = scsiq->scsiq_rptr;
|
|
|
|
/*
|
|
* Set the 'next_vpa' pointer for the old stopper to be the
|
|
* physical address of the new stopper. The RISC can only
|
|
* follow physical addresses.
|
|
*/
|
|
asc_dvc->icq_sp->next_vpa = new_carrp->carr_pa;
|
|
|
|
/*
|
|
* Set the host adapter stopper pointer to point to the new carrier.
|
|
*/
|
|
asc_dvc->icq_sp = new_carrp;
|
|
|
|
if (asc_dvc->chip_type == ADV_CHIP_ASC3550 ||
|
|
asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
|
|
/*
|
|
* Tickle the RISC to tell it to read its Command Queue Head pointer.
|
|
*/
|
|
AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_A);
|
|
if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
|
|
/*
|
|
* Clear the tickle value. In the ASC-3550 the RISC flag
|
|
* command 'clr_tickle_a' does not work unless the host
|
|
* value is cleared.
|
|
*/
|
|
AdvWriteByteRegister(iop_base, IOPB_TICKLE,
|
|
ADV_TICKLE_NOP);
|
|
}
|
|
} else if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
|
|
/*
|
|
* Notify the RISC a carrier is ready by writing the physical
|
|
* address of the new carrier stopper to the COMMA register.
|
|
*/
|
|
AdvWriteDWordRegister(iop_base, IOPDW_COMMA,
|
|
le32_to_cpu(new_carrp->carr_pa));
|
|
}
|
|
|
|
return ADV_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Execute a single 'struct scsi_cmnd'.
|
|
*/
|
|
static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp)
|
|
{
|
|
int ret, err_code;
|
|
struct asc_board *boardp = shost_priv(scp->device->host);
|
|
|
|
ASC_DBG(1, "scp 0x%p\n", scp);
|
|
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
|
|
struct asc_scsi_q asc_scsi_q;
|
|
|
|
ret = asc_build_req(boardp, scp, &asc_scsi_q);
|
|
if (ret != ASC_NOERROR) {
|
|
ASC_STATS(scp->device->host, build_error);
|
|
return ret;
|
|
}
|
|
|
|
ret = AscExeScsiQueue(asc_dvc, &asc_scsi_q);
|
|
kfree(asc_scsi_q.sg_head);
|
|
err_code = asc_dvc->err_code;
|
|
} else {
|
|
ADV_DVC_VAR *adv_dvc = &boardp->dvc_var.adv_dvc_var;
|
|
adv_req_t *adv_reqp;
|
|
|
|
switch (adv_build_req(boardp, scp, &adv_reqp)) {
|
|
case ASC_NOERROR:
|
|
ASC_DBG(3, "adv_build_req ASC_NOERROR\n");
|
|
break;
|
|
case ASC_BUSY:
|
|
ASC_DBG(1, "adv_build_req ASC_BUSY\n");
|
|
/*
|
|
* The asc_stats fields 'adv_build_noreq' and
|
|
* 'adv_build_nosg' count wide board busy conditions.
|
|
* They are updated in adv_build_req and
|
|
* adv_get_sglist, respectively.
|
|
*/
|
|
return ASC_BUSY;
|
|
case ASC_ERROR:
|
|
default:
|
|
ASC_DBG(1, "adv_build_req ASC_ERROR\n");
|
|
ASC_STATS(scp->device->host, build_error);
|
|
return ASC_ERROR;
|
|
}
|
|
|
|
ret = AdvExeScsiQueue(adv_dvc, adv_reqp);
|
|
err_code = adv_dvc->err_code;
|
|
}
|
|
|
|
switch (ret) {
|
|
case ASC_NOERROR:
|
|
ASC_STATS(scp->device->host, exe_noerror);
|
|
/*
|
|
* Increment monotonically increasing per device
|
|
* successful request counter. Wrapping doesn't matter.
|
|
*/
|
|
boardp->reqcnt[scp->device->id]++;
|
|
ASC_DBG(1, "ExeScsiQueue() ASC_NOERROR\n");
|
|
break;
|
|
case ASC_BUSY:
|
|
ASC_DBG(1, "ExeScsiQueue() ASC_BUSY\n");
|
|
ASC_STATS(scp->device->host, exe_busy);
|
|
break;
|
|
case ASC_ERROR:
|
|
scmd_printk(KERN_ERR, scp, "ExeScsiQueue() ASC_ERROR, "
|
|
"err_code 0x%x\n", err_code);
|
|
ASC_STATS(scp->device->host, exe_error);
|
|
scp->result = HOST_BYTE(DID_ERROR);
|
|
break;
|
|
default:
|
|
scmd_printk(KERN_ERR, scp, "ExeScsiQueue() unknown, "
|
|
"err_code 0x%x\n", err_code);
|
|
ASC_STATS(scp->device->host, exe_unknown);
|
|
scp->result = HOST_BYTE(DID_ERROR);
|
|
break;
|
|
}
|
|
|
|
ASC_DBG(1, "end\n");
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* advansys_queuecommand() - interrupt-driven I/O entrypoint.
|
|
*
|
|
* This function always returns 0. Command return status is saved
|
|
* in the 'scp' result field.
|
|
*/
|
|
static int
|
|
advansys_queuecommand_lck(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
|
|
{
|
|
struct Scsi_Host *shost = scp->device->host;
|
|
int asc_res, result = 0;
|
|
|
|
ASC_STATS(shost, queuecommand);
|
|
scp->scsi_done = done;
|
|
|
|
asc_res = asc_execute_scsi_cmnd(scp);
|
|
|
|
switch (asc_res) {
|
|
case ASC_NOERROR:
|
|
break;
|
|
case ASC_BUSY:
|
|
result = SCSI_MLQUEUE_HOST_BUSY;
|
|
break;
|
|
case ASC_ERROR:
|
|
default:
|
|
asc_scsi_done(scp);
|
|
break;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static DEF_SCSI_QCMD(advansys_queuecommand)
|
|
|
|
static ushort AscGetEisaChipCfg(PortAddr iop_base)
|
|
{
|
|
PortAddr eisa_cfg_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) |
|
|
(PortAddr) (ASC_EISA_CFG_IOP_MASK);
|
|
return inpw(eisa_cfg_iop);
|
|
}
|
|
|
|
/*
|
|
* Return the BIOS address of the adapter at the specified
|
|
* I/O port and with the specified bus type.
|
|
*/
|
|
static unsigned short AscGetChipBiosAddress(PortAddr iop_base,
|
|
unsigned short bus_type)
|
|
{
|
|
unsigned short cfg_lsw;
|
|
unsigned short bios_addr;
|
|
|
|
/*
|
|
* The PCI BIOS is re-located by the motherboard BIOS. Because
|
|
* of this the driver can not determine where a PCI BIOS is
|
|
* loaded and executes.
|
|
*/
|
|
if (bus_type & ASC_IS_PCI)
|
|
return 0;
|
|
|
|
if ((bus_type & ASC_IS_EISA) != 0) {
|
|
cfg_lsw = AscGetEisaChipCfg(iop_base);
|
|
cfg_lsw &= 0x000F;
|
|
bios_addr = ASC_BIOS_MIN_ADDR + cfg_lsw * ASC_BIOS_BANK_SIZE;
|
|
return bios_addr;
|
|
}
|
|
|
|
cfg_lsw = AscGetChipCfgLsw(iop_base);
|
|
|
|
/*
|
|
* ISA PnP uses the top bit as the 32K BIOS flag
|
|
*/
|
|
if (bus_type == ASC_IS_ISAPNP)
|
|
cfg_lsw &= 0x7FFF;
|
|
bios_addr = ASC_BIOS_MIN_ADDR + (cfg_lsw >> 12) * ASC_BIOS_BANK_SIZE;
|
|
return bios_addr;
|
|
}
|
|
|
|
static uchar AscSetChipScsiID(PortAddr iop_base, uchar new_host_id)
|
|
{
|
|
ushort cfg_lsw;
|
|
|
|
if (AscGetChipScsiID(iop_base) == new_host_id) {
|
|
return (new_host_id);
|
|
}
|
|
cfg_lsw = AscGetChipCfgLsw(iop_base);
|
|
cfg_lsw &= 0xF8FF;
|
|
cfg_lsw |= (ushort)((new_host_id & ASC_MAX_TID) << 8);
|
|
AscSetChipCfgLsw(iop_base, cfg_lsw);
|
|
return (AscGetChipScsiID(iop_base));
|
|
}
|
|
|
|
static unsigned char AscGetChipScsiCtrl(PortAddr iop_base)
|
|
{
|
|
unsigned char sc;
|
|
|
|
AscSetBank(iop_base, 1);
|
|
sc = inp(iop_base + IOP_REG_SC);
|
|
AscSetBank(iop_base, 0);
|
|
return sc;
|
|
}
|
|
|
|
static unsigned char AscGetChipVersion(PortAddr iop_base,
|
|
unsigned short bus_type)
|
|
{
|
|
if (bus_type & ASC_IS_EISA) {
|
|
PortAddr eisa_iop;
|
|
unsigned char revision;
|
|
eisa_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) |
|
|
(PortAddr) ASC_EISA_REV_IOP_MASK;
|
|
revision = inp(eisa_iop);
|
|
return ASC_CHIP_MIN_VER_EISA - 1 + revision;
|
|
}
|
|
return AscGetChipVerNo(iop_base);
|
|
}
|
|
|
|
#ifdef CONFIG_ISA
|
|
static void AscEnableIsaDma(uchar dma_channel)
|
|
{
|
|
if (dma_channel < 4) {
|
|
outp(0x000B, (ushort)(0xC0 | dma_channel));
|
|
outp(0x000A, dma_channel);
|
|
} else if (dma_channel < 8) {
|
|
outp(0x00D6, (ushort)(0xC0 | (dma_channel - 4)));
|
|
outp(0x00D4, (ushort)(dma_channel - 4));
|
|
}
|
|
}
|
|
#endif /* CONFIG_ISA */
|
|
|
|
static int AscStopQueueExe(PortAddr iop_base)
|
|
{
|
|
int count = 0;
|
|
|
|
if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) == 0) {
|
|
AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
|
|
ASC_STOP_REQ_RISC_STOP);
|
|
do {
|
|
if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) &
|
|
ASC_STOP_ACK_RISC_STOP) {
|
|
return (1);
|
|
}
|
|
mdelay(100);
|
|
} while (count++ < 20);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static unsigned int AscGetMaxDmaCount(ushort bus_type)
|
|
{
|
|
if (bus_type & ASC_IS_ISA)
|
|
return ASC_MAX_ISA_DMA_COUNT;
|
|
else if (bus_type & (ASC_IS_EISA | ASC_IS_VL))
|
|
return ASC_MAX_VL_DMA_COUNT;
|
|
return ASC_MAX_PCI_DMA_COUNT;
|
|
}
|
|
|
|
#ifdef CONFIG_ISA
|
|
static ushort AscGetIsaDmaChannel(PortAddr iop_base)
|
|
{
|
|
ushort channel;
|
|
|
|
channel = AscGetChipCfgLsw(iop_base) & 0x0003;
|
|
if (channel == 0x03)
|
|
return (0);
|
|
else if (channel == 0x00)
|
|
return (7);
|
|
return (channel + 4);
|
|
}
|
|
|
|
static ushort AscSetIsaDmaChannel(PortAddr iop_base, ushort dma_channel)
|
|
{
|
|
ushort cfg_lsw;
|
|
uchar value;
|
|
|
|
if ((dma_channel >= 5) && (dma_channel <= 7)) {
|
|
if (dma_channel == 7)
|
|
value = 0x00;
|
|
else
|
|
value = dma_channel - 4;
|
|
cfg_lsw = AscGetChipCfgLsw(iop_base) & 0xFFFC;
|
|
cfg_lsw |= value;
|
|
AscSetChipCfgLsw(iop_base, cfg_lsw);
|
|
return (AscGetIsaDmaChannel(iop_base));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static uchar AscGetIsaDmaSpeed(PortAddr iop_base)
|
|
{
|
|
uchar speed_value;
|
|
|
|
AscSetBank(iop_base, 1);
|
|
speed_value = AscReadChipDmaSpeed(iop_base);
|
|
speed_value &= 0x07;
|
|
AscSetBank(iop_base, 0);
|
|
return speed_value;
|
|
}
|
|
|
|
static uchar AscSetIsaDmaSpeed(PortAddr iop_base, uchar speed_value)
|
|
{
|
|
speed_value &= 0x07;
|
|
AscSetBank(iop_base, 1);
|
|
AscWriteChipDmaSpeed(iop_base, speed_value);
|
|
AscSetBank(iop_base, 0);
|
|
return AscGetIsaDmaSpeed(iop_base);
|
|
}
|
|
#endif /* CONFIG_ISA */
|
|
|
|
static void AscInitAscDvcVar(ASC_DVC_VAR *asc_dvc)
|
|
{
|
|
int i;
|
|
PortAddr iop_base;
|
|
uchar chip_version;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
asc_dvc->err_code = 0;
|
|
if ((asc_dvc->bus_type &
|
|
(ASC_IS_ISA | ASC_IS_PCI | ASC_IS_EISA | ASC_IS_VL)) == 0) {
|
|
asc_dvc->err_code |= ASC_IERR_NO_BUS_TYPE;
|
|
}
|
|
AscSetChipControl(iop_base, CC_HALT);
|
|
AscSetChipStatus(iop_base, 0);
|
|
asc_dvc->bug_fix_cntl = 0;
|
|
asc_dvc->pci_fix_asyn_xfer = 0;
|
|
asc_dvc->pci_fix_asyn_xfer_always = 0;
|
|
/* asc_dvc->init_state initialized in AscInitGetConfig(). */
|
|
asc_dvc->sdtr_done = 0;
|
|
asc_dvc->cur_total_qng = 0;
|
|
asc_dvc->is_in_int = false;
|
|
asc_dvc->in_critical_cnt = 0;
|
|
asc_dvc->last_q_shortage = 0;
|
|
asc_dvc->use_tagged_qng = 0;
|
|
asc_dvc->no_scam = 0;
|
|
asc_dvc->unit_not_ready = 0;
|
|
asc_dvc->queue_full_or_busy = 0;
|
|
asc_dvc->redo_scam = 0;
|
|
asc_dvc->res2 = 0;
|
|
asc_dvc->min_sdtr_index = 0;
|
|
asc_dvc->cfg->can_tagged_qng = 0;
|
|
asc_dvc->cfg->cmd_qng_enabled = 0;
|
|
asc_dvc->dvc_cntl = ASC_DEF_DVC_CNTL;
|
|
asc_dvc->init_sdtr = 0;
|
|
asc_dvc->max_total_qng = ASC_DEF_MAX_TOTAL_QNG;
|
|
asc_dvc->scsi_reset_wait = 3;
|
|
asc_dvc->start_motor = ASC_SCSI_WIDTH_BIT_SET;
|
|
asc_dvc->max_dma_count = AscGetMaxDmaCount(asc_dvc->bus_type);
|
|
asc_dvc->cfg->sdtr_enable = ASC_SCSI_WIDTH_BIT_SET;
|
|
asc_dvc->cfg->disc_enable = ASC_SCSI_WIDTH_BIT_SET;
|
|
asc_dvc->cfg->chip_scsi_id = ASC_DEF_CHIP_SCSI_ID;
|
|
chip_version = AscGetChipVersion(iop_base, asc_dvc->bus_type);
|
|
asc_dvc->cfg->chip_version = chip_version;
|
|
asc_dvc->sdtr_period_tbl = asc_syn_xfer_period;
|
|
asc_dvc->max_sdtr_index = 7;
|
|
if ((asc_dvc->bus_type & ASC_IS_PCI) &&
|
|
(chip_version >= ASC_CHIP_VER_PCI_ULTRA_3150)) {
|
|
asc_dvc->bus_type = ASC_IS_PCI_ULTRA;
|
|
asc_dvc->sdtr_period_tbl = asc_syn_ultra_xfer_period;
|
|
asc_dvc->max_sdtr_index = 15;
|
|
if (chip_version == ASC_CHIP_VER_PCI_ULTRA_3150) {
|
|
AscSetExtraControl(iop_base,
|
|
(SEC_ACTIVE_NEGATE | SEC_SLEW_RATE));
|
|
} else if (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3050) {
|
|
AscSetExtraControl(iop_base,
|
|
(SEC_ACTIVE_NEGATE |
|
|
SEC_ENABLE_FILTER));
|
|
}
|
|
}
|
|
if (asc_dvc->bus_type == ASC_IS_PCI) {
|
|
AscSetExtraControl(iop_base,
|
|
(SEC_ACTIVE_NEGATE | SEC_SLEW_RATE));
|
|
}
|
|
|
|
asc_dvc->cfg->isa_dma_speed = ASC_DEF_ISA_DMA_SPEED;
|
|
#ifdef CONFIG_ISA
|
|
if ((asc_dvc->bus_type & ASC_IS_ISA) != 0) {
|
|
if (chip_version >= ASC_CHIP_MIN_VER_ISA_PNP) {
|
|
AscSetChipIFC(iop_base, IFC_INIT_DEFAULT);
|
|
asc_dvc->bus_type = ASC_IS_ISAPNP;
|
|
}
|
|
asc_dvc->cfg->isa_dma_channel =
|
|
(uchar)AscGetIsaDmaChannel(iop_base);
|
|
}
|
|
#endif /* CONFIG_ISA */
|
|
for (i = 0; i <= ASC_MAX_TID; i++) {
|
|
asc_dvc->cur_dvc_qng[i] = 0;
|
|
asc_dvc->max_dvc_qng[i] = ASC_MAX_SCSI1_QNG;
|
|
asc_dvc->scsiq_busy_head[i] = (ASC_SCSI_Q *)0L;
|
|
asc_dvc->scsiq_busy_tail[i] = (ASC_SCSI_Q *)0L;
|
|
asc_dvc->cfg->max_tag_qng[i] = ASC_MAX_INRAM_TAG_QNG;
|
|
}
|
|
}
|
|
|
|
static int AscWriteEEPCmdReg(PortAddr iop_base, uchar cmd_reg)
|
|
{
|
|
int retry;
|
|
|
|
for (retry = 0; retry < ASC_EEP_MAX_RETRY; retry++) {
|
|
unsigned char read_back;
|
|
AscSetChipEEPCmd(iop_base, cmd_reg);
|
|
mdelay(1);
|
|
read_back = AscGetChipEEPCmd(iop_base);
|
|
if (read_back == cmd_reg)
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void AscWaitEEPRead(void)
|
|
{
|
|
mdelay(1);
|
|
}
|
|
|
|
static ushort AscReadEEPWord(PortAddr iop_base, uchar addr)
|
|
{
|
|
ushort read_wval;
|
|
uchar cmd_reg;
|
|
|
|
AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE);
|
|
AscWaitEEPRead();
|
|
cmd_reg = addr | ASC_EEP_CMD_READ;
|
|
AscWriteEEPCmdReg(iop_base, cmd_reg);
|
|
AscWaitEEPRead();
|
|
read_wval = AscGetChipEEPData(iop_base);
|
|
AscWaitEEPRead();
|
|
return read_wval;
|
|
}
|
|
|
|
static ushort AscGetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf,
|
|
ushort bus_type)
|
|
{
|
|
ushort wval;
|
|
ushort sum;
|
|
ushort *wbuf;
|
|
int cfg_beg;
|
|
int cfg_end;
|
|
int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2;
|
|
int s_addr;
|
|
|
|
wbuf = (ushort *)cfg_buf;
|
|
sum = 0;
|
|
/* Read two config words; Byte-swapping done by AscReadEEPWord(). */
|
|
for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
|
|
*wbuf = AscReadEEPWord(iop_base, (uchar)s_addr);
|
|
sum += *wbuf;
|
|
}
|
|
if (bus_type & ASC_IS_VL) {
|
|
cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
|
|
cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
|
|
} else {
|
|
cfg_beg = ASC_EEP_DVC_CFG_BEG;
|
|
cfg_end = ASC_EEP_MAX_DVC_ADDR;
|
|
}
|
|
for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
|
|
wval = AscReadEEPWord(iop_base, (uchar)s_addr);
|
|
if (s_addr <= uchar_end_in_config) {
|
|
/*
|
|
* Swap all char fields - must unswap bytes already swapped
|
|
* by AscReadEEPWord().
|
|
*/
|
|
*wbuf = le16_to_cpu(wval);
|
|
} else {
|
|
/* Don't swap word field at the end - cntl field. */
|
|
*wbuf = wval;
|
|
}
|
|
sum += wval; /* Checksum treats all EEPROM data as words. */
|
|
}
|
|
/*
|
|
* Read the checksum word which will be compared against 'sum'
|
|
* by the caller. Word field already swapped.
|
|
*/
|
|
*wbuf = AscReadEEPWord(iop_base, (uchar)s_addr);
|
|
return sum;
|
|
}
|
|
|
|
static int AscTestExternalLram(ASC_DVC_VAR *asc_dvc)
|
|
{
|
|
PortAddr iop_base;
|
|
ushort q_addr;
|
|
ushort saved_word;
|
|
int sta;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
sta = 0;
|
|
q_addr = ASC_QNO_TO_QADDR(241);
|
|
saved_word = AscReadLramWord(iop_base, q_addr);
|
|
AscSetChipLramAddr(iop_base, q_addr);
|
|
AscSetChipLramData(iop_base, 0x55AA);
|
|
mdelay(10);
|
|
AscSetChipLramAddr(iop_base, q_addr);
|
|
if (AscGetChipLramData(iop_base) == 0x55AA) {
|
|
sta = 1;
|
|
AscWriteLramWord(iop_base, q_addr, saved_word);
|
|
}
|
|
return (sta);
|
|
}
|
|
|
|
static void AscWaitEEPWrite(void)
|
|
{
|
|
mdelay(20);
|
|
}
|
|
|
|
static int AscWriteEEPDataReg(PortAddr iop_base, ushort data_reg)
|
|
{
|
|
ushort read_back;
|
|
int retry;
|
|
|
|
retry = 0;
|
|
while (true) {
|
|
AscSetChipEEPData(iop_base, data_reg);
|
|
mdelay(1);
|
|
read_back = AscGetChipEEPData(iop_base);
|
|
if (read_back == data_reg) {
|
|
return (1);
|
|
}
|
|
if (retry++ > ASC_EEP_MAX_RETRY) {
|
|
return (0);
|
|
}
|
|
}
|
|
}
|
|
|
|
static ushort AscWriteEEPWord(PortAddr iop_base, uchar addr, ushort word_val)
|
|
{
|
|
ushort read_wval;
|
|
|
|
read_wval = AscReadEEPWord(iop_base, addr);
|
|
if (read_wval != word_val) {
|
|
AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_ABLE);
|
|
AscWaitEEPRead();
|
|
AscWriteEEPDataReg(iop_base, word_val);
|
|
AscWaitEEPRead();
|
|
AscWriteEEPCmdReg(iop_base,
|
|
(uchar)((uchar)ASC_EEP_CMD_WRITE | addr));
|
|
AscWaitEEPWrite();
|
|
AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE);
|
|
AscWaitEEPRead();
|
|
return (AscReadEEPWord(iop_base, addr));
|
|
}
|
|
return (read_wval);
|
|
}
|
|
|
|
static int AscSetEEPConfigOnce(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf,
|
|
ushort bus_type)
|
|
{
|
|
int n_error;
|
|
ushort *wbuf;
|
|
ushort word;
|
|
ushort sum;
|
|
int s_addr;
|
|
int cfg_beg;
|
|
int cfg_end;
|
|
int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2;
|
|
|
|
wbuf = (ushort *)cfg_buf;
|
|
n_error = 0;
|
|
sum = 0;
|
|
/* Write two config words; AscWriteEEPWord() will swap bytes. */
|
|
for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
|
|
sum += *wbuf;
|
|
if (*wbuf != AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) {
|
|
n_error++;
|
|
}
|
|
}
|
|
if (bus_type & ASC_IS_VL) {
|
|
cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
|
|
cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
|
|
} else {
|
|
cfg_beg = ASC_EEP_DVC_CFG_BEG;
|
|
cfg_end = ASC_EEP_MAX_DVC_ADDR;
|
|
}
|
|
for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
|
|
if (s_addr <= uchar_end_in_config) {
|
|
/*
|
|
* This is a char field. Swap char fields before they are
|
|
* swapped again by AscWriteEEPWord().
|
|
*/
|
|
word = cpu_to_le16(*wbuf);
|
|
if (word !=
|
|
AscWriteEEPWord(iop_base, (uchar)s_addr, word)) {
|
|
n_error++;
|
|
}
|
|
} else {
|
|
/* Don't swap word field at the end - cntl field. */
|
|
if (*wbuf !=
|
|
AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) {
|
|
n_error++;
|
|
}
|
|
}
|
|
sum += *wbuf; /* Checksum calculated from word values. */
|
|
}
|
|
/* Write checksum word. It will be swapped by AscWriteEEPWord(). */
|
|
*wbuf = sum;
|
|
if (sum != AscWriteEEPWord(iop_base, (uchar)s_addr, sum)) {
|
|
n_error++;
|
|
}
|
|
|
|
/* Read EEPROM back again. */
|
|
wbuf = (ushort *)cfg_buf;
|
|
/*
|
|
* Read two config words; Byte-swapping done by AscReadEEPWord().
|
|
*/
|
|
for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
|
|
if (*wbuf != AscReadEEPWord(iop_base, (uchar)s_addr)) {
|
|
n_error++;
|
|
}
|
|
}
|
|
if (bus_type & ASC_IS_VL) {
|
|
cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
|
|
cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
|
|
} else {
|
|
cfg_beg = ASC_EEP_DVC_CFG_BEG;
|
|
cfg_end = ASC_EEP_MAX_DVC_ADDR;
|
|
}
|
|
for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
|
|
if (s_addr <= uchar_end_in_config) {
|
|
/*
|
|
* Swap all char fields. Must unswap bytes already swapped
|
|
* by AscReadEEPWord().
|
|
*/
|
|
word =
|
|
le16_to_cpu(AscReadEEPWord
|
|
(iop_base, (uchar)s_addr));
|
|
} else {
|
|
/* Don't swap word field at the end - cntl field. */
|
|
word = AscReadEEPWord(iop_base, (uchar)s_addr);
|
|
}
|
|
if (*wbuf != word) {
|
|
n_error++;
|
|
}
|
|
}
|
|
/* Read checksum; Byte swapping not needed. */
|
|
if (AscReadEEPWord(iop_base, (uchar)s_addr) != sum) {
|
|
n_error++;
|
|
}
|
|
return n_error;
|
|
}
|
|
|
|
static int AscSetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf,
|
|
ushort bus_type)
|
|
{
|
|
int retry;
|
|
int n_error;
|
|
|
|
retry = 0;
|
|
while (true) {
|
|
if ((n_error = AscSetEEPConfigOnce(iop_base, cfg_buf,
|
|
bus_type)) == 0) {
|
|
break;
|
|
}
|
|
if (++retry > ASC_EEP_MAX_RETRY) {
|
|
break;
|
|
}
|
|
}
|
|
return n_error;
|
|
}
|
|
|
|
static int AscInitFromEEP(ASC_DVC_VAR *asc_dvc)
|
|
{
|
|
ASCEEP_CONFIG eep_config_buf;
|
|
ASCEEP_CONFIG *eep_config;
|
|
PortAddr iop_base;
|
|
ushort chksum;
|
|
ushort warn_code;
|
|
ushort cfg_msw, cfg_lsw;
|
|
int i;
|
|
int write_eep = 0;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
warn_code = 0;
|
|
AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0x00FE);
|
|
AscStopQueueExe(iop_base);
|
|
if ((AscStopChip(iop_base)) ||
|
|
(AscGetChipScsiCtrl(iop_base) != 0)) {
|
|
asc_dvc->init_state |= ASC_INIT_RESET_SCSI_DONE;
|
|
AscResetChipAndScsiBus(asc_dvc);
|
|
mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
|
|
}
|
|
if (!AscIsChipHalted(iop_base)) {
|
|
asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
|
|
return (warn_code);
|
|
}
|
|
AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
|
|
if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
|
|
asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
|
|
return (warn_code);
|
|
}
|
|
eep_config = (ASCEEP_CONFIG *)&eep_config_buf;
|
|
cfg_msw = AscGetChipCfgMsw(iop_base);
|
|
cfg_lsw = AscGetChipCfgLsw(iop_base);
|
|
if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) {
|
|
cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
|
|
warn_code |= ASC_WARN_CFG_MSW_RECOVER;
|
|
AscSetChipCfgMsw(iop_base, cfg_msw);
|
|
}
|
|
chksum = AscGetEEPConfig(iop_base, eep_config, asc_dvc->bus_type);
|
|
ASC_DBG(1, "chksum 0x%x\n", chksum);
|
|
if (chksum == 0) {
|
|
chksum = 0xaa55;
|
|
}
|
|
if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) {
|
|
warn_code |= ASC_WARN_AUTO_CONFIG;
|
|
if (asc_dvc->cfg->chip_version == 3) {
|
|
if (eep_config->cfg_lsw != cfg_lsw) {
|
|
warn_code |= ASC_WARN_EEPROM_RECOVER;
|
|
eep_config->cfg_lsw =
|
|
AscGetChipCfgLsw(iop_base);
|
|
}
|
|
if (eep_config->cfg_msw != cfg_msw) {
|
|
warn_code |= ASC_WARN_EEPROM_RECOVER;
|
|
eep_config->cfg_msw =
|
|
AscGetChipCfgMsw(iop_base);
|
|
}
|
|
}
|
|
}
|
|
eep_config->cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
|
|
eep_config->cfg_lsw |= ASC_CFG0_HOST_INT_ON;
|
|
ASC_DBG(1, "eep_config->chksum 0x%x\n", eep_config->chksum);
|
|
if (chksum != eep_config->chksum) {
|
|
if (AscGetChipVersion(iop_base, asc_dvc->bus_type) ==
|
|
ASC_CHIP_VER_PCI_ULTRA_3050) {
|
|
ASC_DBG(1, "chksum error ignored; EEPROM-less board\n");
|
|
eep_config->init_sdtr = 0xFF;
|
|
eep_config->disc_enable = 0xFF;
|
|
eep_config->start_motor = 0xFF;
|
|
eep_config->use_cmd_qng = 0;
|
|
eep_config->max_total_qng = 0xF0;
|
|
eep_config->max_tag_qng = 0x20;
|
|
eep_config->cntl = 0xBFFF;
|
|
ASC_EEP_SET_CHIP_ID(eep_config, 7);
|
|
eep_config->no_scam = 0;
|
|
eep_config->adapter_info[0] = 0;
|
|
eep_config->adapter_info[1] = 0;
|
|
eep_config->adapter_info[2] = 0;
|
|
eep_config->adapter_info[3] = 0;
|
|
eep_config->adapter_info[4] = 0;
|
|
/* Indicate EEPROM-less board. */
|
|
eep_config->adapter_info[5] = 0xBB;
|
|
} else {
|
|
ASC_PRINT
|
|
("AscInitFromEEP: EEPROM checksum error; Will try to re-write EEPROM.\n");
|
|
write_eep = 1;
|
|
warn_code |= ASC_WARN_EEPROM_CHKSUM;
|
|
}
|
|
}
|
|
asc_dvc->cfg->sdtr_enable = eep_config->init_sdtr;
|
|
asc_dvc->cfg->disc_enable = eep_config->disc_enable;
|
|
asc_dvc->cfg->cmd_qng_enabled = eep_config->use_cmd_qng;
|
|
asc_dvc->cfg->isa_dma_speed = ASC_EEP_GET_DMA_SPD(eep_config);
|
|
asc_dvc->start_motor = eep_config->start_motor;
|
|
asc_dvc->dvc_cntl = eep_config->cntl;
|
|
asc_dvc->no_scam = eep_config->no_scam;
|
|
asc_dvc->cfg->adapter_info[0] = eep_config->adapter_info[0];
|
|
asc_dvc->cfg->adapter_info[1] = eep_config->adapter_info[1];
|
|
asc_dvc->cfg->adapter_info[2] = eep_config->adapter_info[2];
|
|
asc_dvc->cfg->adapter_info[3] = eep_config->adapter_info[3];
|
|
asc_dvc->cfg->adapter_info[4] = eep_config->adapter_info[4];
|
|
asc_dvc->cfg->adapter_info[5] = eep_config->adapter_info[5];
|
|
if (!AscTestExternalLram(asc_dvc)) {
|
|
if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) ==
|
|
ASC_IS_PCI_ULTRA)) {
|
|
eep_config->max_total_qng =
|
|
ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG;
|
|
eep_config->max_tag_qng =
|
|
ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG;
|
|
} else {
|
|
eep_config->cfg_msw |= 0x0800;
|
|
cfg_msw |= 0x0800;
|
|
AscSetChipCfgMsw(iop_base, cfg_msw);
|
|
eep_config->max_total_qng = ASC_MAX_PCI_INRAM_TOTAL_QNG;
|
|
eep_config->max_tag_qng = ASC_MAX_INRAM_TAG_QNG;
|
|
}
|
|
} else {
|
|
}
|
|
if (eep_config->max_total_qng < ASC_MIN_TOTAL_QNG) {
|
|
eep_config->max_total_qng = ASC_MIN_TOTAL_QNG;
|
|
}
|
|
if (eep_config->max_total_qng > ASC_MAX_TOTAL_QNG) {
|
|
eep_config->max_total_qng = ASC_MAX_TOTAL_QNG;
|
|
}
|
|
if (eep_config->max_tag_qng > eep_config->max_total_qng) {
|
|
eep_config->max_tag_qng = eep_config->max_total_qng;
|
|
}
|
|
if (eep_config->max_tag_qng < ASC_MIN_TAG_Q_PER_DVC) {
|
|
eep_config->max_tag_qng = ASC_MIN_TAG_Q_PER_DVC;
|
|
}
|
|
asc_dvc->max_total_qng = eep_config->max_total_qng;
|
|
if ((eep_config->use_cmd_qng & eep_config->disc_enable) !=
|
|
eep_config->use_cmd_qng) {
|
|
eep_config->disc_enable = eep_config->use_cmd_qng;
|
|
warn_code |= ASC_WARN_CMD_QNG_CONFLICT;
|
|
}
|
|
ASC_EEP_SET_CHIP_ID(eep_config,
|
|
ASC_EEP_GET_CHIP_ID(eep_config) & ASC_MAX_TID);
|
|
asc_dvc->cfg->chip_scsi_id = ASC_EEP_GET_CHIP_ID(eep_config);
|
|
if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) &&
|
|
!(asc_dvc->dvc_cntl & ASC_CNTL_SDTR_ENABLE_ULTRA)) {
|
|
asc_dvc->min_sdtr_index = ASC_SDTR_ULTRA_PCI_10MB_INDEX;
|
|
}
|
|
|
|
for (i = 0; i <= ASC_MAX_TID; i++) {
|
|
asc_dvc->dos_int13_table[i] = eep_config->dos_int13_table[i];
|
|
asc_dvc->cfg->max_tag_qng[i] = eep_config->max_tag_qng;
|
|
asc_dvc->cfg->sdtr_period_offset[i] =
|
|
(uchar)(ASC_DEF_SDTR_OFFSET |
|
|
(asc_dvc->min_sdtr_index << 4));
|
|
}
|
|
eep_config->cfg_msw = AscGetChipCfgMsw(iop_base);
|
|
if (write_eep) {
|
|
if ((i = AscSetEEPConfig(iop_base, eep_config,
|
|
asc_dvc->bus_type)) != 0) {
|
|
ASC_PRINT1
|
|
("AscInitFromEEP: Failed to re-write EEPROM with %d errors.\n",
|
|
i);
|
|
} else {
|
|
ASC_PRINT
|
|
("AscInitFromEEP: Successfully re-wrote EEPROM.\n");
|
|
}
|
|
}
|
|
return (warn_code);
|
|
}
|
|
|
|
static int AscInitGetConfig(struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *board = shost_priv(shost);
|
|
ASC_DVC_VAR *asc_dvc = &board->dvc_var.asc_dvc_var;
|
|
unsigned short warn_code = 0;
|
|
|
|
asc_dvc->init_state = ASC_INIT_STATE_BEG_GET_CFG;
|
|
if (asc_dvc->err_code != 0)
|
|
return asc_dvc->err_code;
|
|
|
|
if (AscFindSignature(asc_dvc->iop_base)) {
|
|
AscInitAscDvcVar(asc_dvc);
|
|
warn_code = AscInitFromEEP(asc_dvc);
|
|
asc_dvc->init_state |= ASC_INIT_STATE_END_GET_CFG;
|
|
if (asc_dvc->scsi_reset_wait > ASC_MAX_SCSI_RESET_WAIT)
|
|
asc_dvc->scsi_reset_wait = ASC_MAX_SCSI_RESET_WAIT;
|
|
} else {
|
|
asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
|
|
}
|
|
|
|
switch (warn_code) {
|
|
case 0: /* No error */
|
|
break;
|
|
case ASC_WARN_IO_PORT_ROTATE:
|
|
shost_printk(KERN_WARNING, shost, "I/O port address "
|
|
"modified\n");
|
|
break;
|
|
case ASC_WARN_AUTO_CONFIG:
|
|
shost_printk(KERN_WARNING, shost, "I/O port increment switch "
|
|
"enabled\n");
|
|
break;
|
|
case ASC_WARN_EEPROM_CHKSUM:
|
|
shost_printk(KERN_WARNING, shost, "EEPROM checksum error\n");
|
|
break;
|
|
case ASC_WARN_IRQ_MODIFIED:
|
|
shost_printk(KERN_WARNING, shost, "IRQ modified\n");
|
|
break;
|
|
case ASC_WARN_CMD_QNG_CONFLICT:
|
|
shost_printk(KERN_WARNING, shost, "tag queuing enabled w/o "
|
|
"disconnects\n");
|
|
break;
|
|
default:
|
|
shost_printk(KERN_WARNING, shost, "unknown warning: 0x%x\n",
|
|
warn_code);
|
|
break;
|
|
}
|
|
|
|
if (asc_dvc->err_code != 0)
|
|
shost_printk(KERN_ERR, shost, "error 0x%x at init_state "
|
|
"0x%x\n", asc_dvc->err_code, asc_dvc->init_state);
|
|
|
|
return asc_dvc->err_code;
|
|
}
|
|
|
|
static int AscInitSetConfig(struct pci_dev *pdev, struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *board = shost_priv(shost);
|
|
ASC_DVC_VAR *asc_dvc = &board->dvc_var.asc_dvc_var;
|
|
PortAddr iop_base = asc_dvc->iop_base;
|
|
unsigned short cfg_msw;
|
|
unsigned short warn_code = 0;
|
|
|
|
asc_dvc->init_state |= ASC_INIT_STATE_BEG_SET_CFG;
|
|
if (asc_dvc->err_code != 0)
|
|
return asc_dvc->err_code;
|
|
if (!AscFindSignature(asc_dvc->iop_base)) {
|
|
asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
|
|
return asc_dvc->err_code;
|
|
}
|
|
|
|
cfg_msw = AscGetChipCfgMsw(iop_base);
|
|
if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) {
|
|
cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
|
|
warn_code |= ASC_WARN_CFG_MSW_RECOVER;
|
|
AscSetChipCfgMsw(iop_base, cfg_msw);
|
|
}
|
|
if ((asc_dvc->cfg->cmd_qng_enabled & asc_dvc->cfg->disc_enable) !=
|
|
asc_dvc->cfg->cmd_qng_enabled) {
|
|
asc_dvc->cfg->disc_enable = asc_dvc->cfg->cmd_qng_enabled;
|
|
warn_code |= ASC_WARN_CMD_QNG_CONFLICT;
|
|
}
|
|
if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) {
|
|
warn_code |= ASC_WARN_AUTO_CONFIG;
|
|
}
|
|
#ifdef CONFIG_PCI
|
|
if (asc_dvc->bus_type & ASC_IS_PCI) {
|
|
cfg_msw &= 0xFFC0;
|
|
AscSetChipCfgMsw(iop_base, cfg_msw);
|
|
if ((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) {
|
|
} else {
|
|
if ((pdev->device == PCI_DEVICE_ID_ASP_1200A) ||
|
|
(pdev->device == PCI_DEVICE_ID_ASP_ABP940)) {
|
|
asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_IF_NOT_DWB;
|
|
asc_dvc->bug_fix_cntl |=
|
|
ASC_BUG_FIX_ASYN_USE_SYN;
|
|
}
|
|
}
|
|
} else
|
|
#endif /* CONFIG_PCI */
|
|
if (asc_dvc->bus_type == ASC_IS_ISAPNP) {
|
|
if (AscGetChipVersion(iop_base, asc_dvc->bus_type)
|
|
== ASC_CHIP_VER_ASYN_BUG) {
|
|
asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN;
|
|
}
|
|
}
|
|
if (AscSetChipScsiID(iop_base, asc_dvc->cfg->chip_scsi_id) !=
|
|
asc_dvc->cfg->chip_scsi_id) {
|
|
asc_dvc->err_code |= ASC_IERR_SET_SCSI_ID;
|
|
}
|
|
#ifdef CONFIG_ISA
|
|
if (asc_dvc->bus_type & ASC_IS_ISA) {
|
|
AscSetIsaDmaChannel(iop_base, asc_dvc->cfg->isa_dma_channel);
|
|
AscSetIsaDmaSpeed(iop_base, asc_dvc->cfg->isa_dma_speed);
|
|
}
|
|
#endif /* CONFIG_ISA */
|
|
|
|
asc_dvc->init_state |= ASC_INIT_STATE_END_SET_CFG;
|
|
|
|
switch (warn_code) {
|
|
case 0: /* No error. */
|
|
break;
|
|
case ASC_WARN_IO_PORT_ROTATE:
|
|
shost_printk(KERN_WARNING, shost, "I/O port address "
|
|
"modified\n");
|
|
break;
|
|
case ASC_WARN_AUTO_CONFIG:
|
|
shost_printk(KERN_WARNING, shost, "I/O port increment switch "
|
|
"enabled\n");
|
|
break;
|
|
case ASC_WARN_EEPROM_CHKSUM:
|
|
shost_printk(KERN_WARNING, shost, "EEPROM checksum error\n");
|
|
break;
|
|
case ASC_WARN_IRQ_MODIFIED:
|
|
shost_printk(KERN_WARNING, shost, "IRQ modified\n");
|
|
break;
|
|
case ASC_WARN_CMD_QNG_CONFLICT:
|
|
shost_printk(KERN_WARNING, shost, "tag queuing w/o "
|
|
"disconnects\n");
|
|
break;
|
|
default:
|
|
shost_printk(KERN_WARNING, shost, "unknown warning: 0x%x\n",
|
|
warn_code);
|
|
break;
|
|
}
|
|
|
|
if (asc_dvc->err_code != 0)
|
|
shost_printk(KERN_ERR, shost, "error 0x%x at init_state "
|
|
"0x%x\n", asc_dvc->err_code, asc_dvc->init_state);
|
|
|
|
return asc_dvc->err_code;
|
|
}
|
|
|
|
/*
|
|
* EEPROM Configuration.
|
|
*
|
|
* All drivers should use this structure to set the default EEPROM
|
|
* configuration. The BIOS now uses this structure when it is built.
|
|
* Additional structure information can be found in a_condor.h where
|
|
* the structure is defined.
|
|
*
|
|
* The *_Field_IsChar structs are needed to correct for endianness.
|
|
* These values are read from the board 16 bits at a time directly
|
|
* into the structs. Because some fields are char, the values will be
|
|
* in the wrong order. The *_Field_IsChar tells when to flip the
|
|
* bytes. Data read and written to PCI memory is automatically swapped
|
|
* on big-endian platforms so char fields read as words are actually being
|
|
* unswapped on big-endian platforms.
|
|
*/
|
|
#ifdef CONFIG_PCI
|
|
static ADVEEP_3550_CONFIG Default_3550_EEPROM_Config = {
|
|
ADV_EEPROM_BIOS_ENABLE, /* cfg_lsw */
|
|
0x0000, /* cfg_msw */
|
|
0xFFFF, /* disc_enable */
|
|
0xFFFF, /* wdtr_able */
|
|
0xFFFF, /* sdtr_able */
|
|
0xFFFF, /* start_motor */
|
|
0xFFFF, /* tagqng_able */
|
|
0xFFFF, /* bios_scan */
|
|
0, /* scam_tolerant */
|
|
7, /* adapter_scsi_id */
|
|
0, /* bios_boot_delay */
|
|
3, /* scsi_reset_delay */
|
|
0, /* bios_id_lun */
|
|
0, /* termination */
|
|
0, /* reserved1 */
|
|
0xFFE7, /* bios_ctrl */
|
|
0xFFFF, /* ultra_able */
|
|
0, /* reserved2 */
|
|
ASC_DEF_MAX_HOST_QNG, /* max_host_qng */
|
|
ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */
|
|
0, /* dvc_cntl */
|
|
0, /* bug_fix */
|
|
0, /* serial_number_word1 */
|
|
0, /* serial_number_word2 */
|
|
0, /* serial_number_word3 */
|
|
0, /* check_sum */
|
|
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
|
|
, /* oem_name[16] */
|
|
0, /* dvc_err_code */
|
|
0, /* adv_err_code */
|
|
0, /* adv_err_addr */
|
|
0, /* saved_dvc_err_code */
|
|
0, /* saved_adv_err_code */
|
|
0, /* saved_adv_err_addr */
|
|
0 /* num_of_err */
|
|
};
|
|
|
|
static ADVEEP_3550_CONFIG ADVEEP_3550_Config_Field_IsChar = {
|
|
0, /* cfg_lsw */
|
|
0, /* cfg_msw */
|
|
0, /* -disc_enable */
|
|
0, /* wdtr_able */
|
|
0, /* sdtr_able */
|
|
0, /* start_motor */
|
|
0, /* tagqng_able */
|
|
0, /* bios_scan */
|
|
0, /* scam_tolerant */
|
|
1, /* adapter_scsi_id */
|
|
1, /* bios_boot_delay */
|
|
1, /* scsi_reset_delay */
|
|
1, /* bios_id_lun */
|
|
1, /* termination */
|
|
1, /* reserved1 */
|
|
0, /* bios_ctrl */
|
|
0, /* ultra_able */
|
|
0, /* reserved2 */
|
|
1, /* max_host_qng */
|
|
1, /* max_dvc_qng */
|
|
0, /* dvc_cntl */
|
|
0, /* bug_fix */
|
|
0, /* serial_number_word1 */
|
|
0, /* serial_number_word2 */
|
|
0, /* serial_number_word3 */
|
|
0, /* check_sum */
|
|
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
|
|
, /* oem_name[16] */
|
|
0, /* dvc_err_code */
|
|
0, /* adv_err_code */
|
|
0, /* adv_err_addr */
|
|
0, /* saved_dvc_err_code */
|
|
0, /* saved_adv_err_code */
|
|
0, /* saved_adv_err_addr */
|
|
0 /* num_of_err */
|
|
};
|
|
|
|
static ADVEEP_38C0800_CONFIG Default_38C0800_EEPROM_Config = {
|
|
ADV_EEPROM_BIOS_ENABLE, /* 00 cfg_lsw */
|
|
0x0000, /* 01 cfg_msw */
|
|
0xFFFF, /* 02 disc_enable */
|
|
0xFFFF, /* 03 wdtr_able */
|
|
0x4444, /* 04 sdtr_speed1 */
|
|
0xFFFF, /* 05 start_motor */
|
|
0xFFFF, /* 06 tagqng_able */
|
|
0xFFFF, /* 07 bios_scan */
|
|
0, /* 08 scam_tolerant */
|
|
7, /* 09 adapter_scsi_id */
|
|
0, /* bios_boot_delay */
|
|
3, /* 10 scsi_reset_delay */
|
|
0, /* bios_id_lun */
|
|
0, /* 11 termination_se */
|
|
0, /* termination_lvd */
|
|
0xFFE7, /* 12 bios_ctrl */
|
|
0x4444, /* 13 sdtr_speed2 */
|
|
0x4444, /* 14 sdtr_speed3 */
|
|
ASC_DEF_MAX_HOST_QNG, /* 15 max_host_qng */
|
|
ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */
|
|
0, /* 16 dvc_cntl */
|
|
0x4444, /* 17 sdtr_speed4 */
|
|
0, /* 18 serial_number_word1 */
|
|
0, /* 19 serial_number_word2 */
|
|
0, /* 20 serial_number_word3 */
|
|
0, /* 21 check_sum */
|
|
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
|
|
, /* 22-29 oem_name[16] */
|
|
0, /* 30 dvc_err_code */
|
|
0, /* 31 adv_err_code */
|
|
0, /* 32 adv_err_addr */
|
|
0, /* 33 saved_dvc_err_code */
|
|
0, /* 34 saved_adv_err_code */
|
|
0, /* 35 saved_adv_err_addr */
|
|
0, /* 36 reserved */
|
|
0, /* 37 reserved */
|
|
0, /* 38 reserved */
|
|
0, /* 39 reserved */
|
|
0, /* 40 reserved */
|
|
0, /* 41 reserved */
|
|
0, /* 42 reserved */
|
|
0, /* 43 reserved */
|
|
0, /* 44 reserved */
|
|
0, /* 45 reserved */
|
|
0, /* 46 reserved */
|
|
0, /* 47 reserved */
|
|
0, /* 48 reserved */
|
|
0, /* 49 reserved */
|
|
0, /* 50 reserved */
|
|
0, /* 51 reserved */
|
|
0, /* 52 reserved */
|
|
0, /* 53 reserved */
|
|
0, /* 54 reserved */
|
|
0, /* 55 reserved */
|
|
0, /* 56 cisptr_lsw */
|
|
0, /* 57 cisprt_msw */
|
|
PCI_VENDOR_ID_ASP, /* 58 subsysvid */
|
|
PCI_DEVICE_ID_38C0800_REV1, /* 59 subsysid */
|
|
0, /* 60 reserved */
|
|
0, /* 61 reserved */
|
|
0, /* 62 reserved */
|
|
0 /* 63 reserved */
|
|
};
|
|
|
|
static ADVEEP_38C0800_CONFIG ADVEEP_38C0800_Config_Field_IsChar = {
|
|
0, /* 00 cfg_lsw */
|
|
0, /* 01 cfg_msw */
|
|
0, /* 02 disc_enable */
|
|
0, /* 03 wdtr_able */
|
|
0, /* 04 sdtr_speed1 */
|
|
0, /* 05 start_motor */
|
|
0, /* 06 tagqng_able */
|
|
0, /* 07 bios_scan */
|
|
0, /* 08 scam_tolerant */
|
|
1, /* 09 adapter_scsi_id */
|
|
1, /* bios_boot_delay */
|
|
1, /* 10 scsi_reset_delay */
|
|
1, /* bios_id_lun */
|
|
1, /* 11 termination_se */
|
|
1, /* termination_lvd */
|
|
0, /* 12 bios_ctrl */
|
|
0, /* 13 sdtr_speed2 */
|
|
0, /* 14 sdtr_speed3 */
|
|
1, /* 15 max_host_qng */
|
|
1, /* max_dvc_qng */
|
|
0, /* 16 dvc_cntl */
|
|
0, /* 17 sdtr_speed4 */
|
|
0, /* 18 serial_number_word1 */
|
|
0, /* 19 serial_number_word2 */
|
|
0, /* 20 serial_number_word3 */
|
|
0, /* 21 check_sum */
|
|
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
|
|
, /* 22-29 oem_name[16] */
|
|
0, /* 30 dvc_err_code */
|
|
0, /* 31 adv_err_code */
|
|
0, /* 32 adv_err_addr */
|
|
0, /* 33 saved_dvc_err_code */
|
|
0, /* 34 saved_adv_err_code */
|
|
0, /* 35 saved_adv_err_addr */
|
|
0, /* 36 reserved */
|
|
0, /* 37 reserved */
|
|
0, /* 38 reserved */
|
|
0, /* 39 reserved */
|
|
0, /* 40 reserved */
|
|
0, /* 41 reserved */
|
|
0, /* 42 reserved */
|
|
0, /* 43 reserved */
|
|
0, /* 44 reserved */
|
|
0, /* 45 reserved */
|
|
0, /* 46 reserved */
|
|
0, /* 47 reserved */
|
|
0, /* 48 reserved */
|
|
0, /* 49 reserved */
|
|
0, /* 50 reserved */
|
|
0, /* 51 reserved */
|
|
0, /* 52 reserved */
|
|
0, /* 53 reserved */
|
|
0, /* 54 reserved */
|
|
0, /* 55 reserved */
|
|
0, /* 56 cisptr_lsw */
|
|
0, /* 57 cisprt_msw */
|
|
0, /* 58 subsysvid */
|
|
0, /* 59 subsysid */
|
|
0, /* 60 reserved */
|
|
0, /* 61 reserved */
|
|
0, /* 62 reserved */
|
|
0 /* 63 reserved */
|
|
};
|
|
|
|
static ADVEEP_38C1600_CONFIG Default_38C1600_EEPROM_Config = {
|
|
ADV_EEPROM_BIOS_ENABLE, /* 00 cfg_lsw */
|
|
0x0000, /* 01 cfg_msw */
|
|
0xFFFF, /* 02 disc_enable */
|
|
0xFFFF, /* 03 wdtr_able */
|
|
0x5555, /* 04 sdtr_speed1 */
|
|
0xFFFF, /* 05 start_motor */
|
|
0xFFFF, /* 06 tagqng_able */
|
|
0xFFFF, /* 07 bios_scan */
|
|
0, /* 08 scam_tolerant */
|
|
7, /* 09 adapter_scsi_id */
|
|
0, /* bios_boot_delay */
|
|
3, /* 10 scsi_reset_delay */
|
|
0, /* bios_id_lun */
|
|
0, /* 11 termination_se */
|
|
0, /* termination_lvd */
|
|
0xFFE7, /* 12 bios_ctrl */
|
|
0x5555, /* 13 sdtr_speed2 */
|
|
0x5555, /* 14 sdtr_speed3 */
|
|
ASC_DEF_MAX_HOST_QNG, /* 15 max_host_qng */
|
|
ASC_DEF_MAX_DVC_QNG, /* max_dvc_qng */
|
|
0, /* 16 dvc_cntl */
|
|
0x5555, /* 17 sdtr_speed4 */
|
|
0, /* 18 serial_number_word1 */
|
|
0, /* 19 serial_number_word2 */
|
|
0, /* 20 serial_number_word3 */
|
|
0, /* 21 check_sum */
|
|
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
|
|
, /* 22-29 oem_name[16] */
|
|
0, /* 30 dvc_err_code */
|
|
0, /* 31 adv_err_code */
|
|
0, /* 32 adv_err_addr */
|
|
0, /* 33 saved_dvc_err_code */
|
|
0, /* 34 saved_adv_err_code */
|
|
0, /* 35 saved_adv_err_addr */
|
|
0, /* 36 reserved */
|
|
0, /* 37 reserved */
|
|
0, /* 38 reserved */
|
|
0, /* 39 reserved */
|
|
0, /* 40 reserved */
|
|
0, /* 41 reserved */
|
|
0, /* 42 reserved */
|
|
0, /* 43 reserved */
|
|
0, /* 44 reserved */
|
|
0, /* 45 reserved */
|
|
0, /* 46 reserved */
|
|
0, /* 47 reserved */
|
|
0, /* 48 reserved */
|
|
0, /* 49 reserved */
|
|
0, /* 50 reserved */
|
|
0, /* 51 reserved */
|
|
0, /* 52 reserved */
|
|
0, /* 53 reserved */
|
|
0, /* 54 reserved */
|
|
0, /* 55 reserved */
|
|
0, /* 56 cisptr_lsw */
|
|
0, /* 57 cisprt_msw */
|
|
PCI_VENDOR_ID_ASP, /* 58 subsysvid */
|
|
PCI_DEVICE_ID_38C1600_REV1, /* 59 subsysid */
|
|
0, /* 60 reserved */
|
|
0, /* 61 reserved */
|
|
0, /* 62 reserved */
|
|
0 /* 63 reserved */
|
|
};
|
|
|
|
static ADVEEP_38C1600_CONFIG ADVEEP_38C1600_Config_Field_IsChar = {
|
|
0, /* 00 cfg_lsw */
|
|
0, /* 01 cfg_msw */
|
|
0, /* 02 disc_enable */
|
|
0, /* 03 wdtr_able */
|
|
0, /* 04 sdtr_speed1 */
|
|
0, /* 05 start_motor */
|
|
0, /* 06 tagqng_able */
|
|
0, /* 07 bios_scan */
|
|
0, /* 08 scam_tolerant */
|
|
1, /* 09 adapter_scsi_id */
|
|
1, /* bios_boot_delay */
|
|
1, /* 10 scsi_reset_delay */
|
|
1, /* bios_id_lun */
|
|
1, /* 11 termination_se */
|
|
1, /* termination_lvd */
|
|
0, /* 12 bios_ctrl */
|
|
0, /* 13 sdtr_speed2 */
|
|
0, /* 14 sdtr_speed3 */
|
|
1, /* 15 max_host_qng */
|
|
1, /* max_dvc_qng */
|
|
0, /* 16 dvc_cntl */
|
|
0, /* 17 sdtr_speed4 */
|
|
0, /* 18 serial_number_word1 */
|
|
0, /* 19 serial_number_word2 */
|
|
0, /* 20 serial_number_word3 */
|
|
0, /* 21 check_sum */
|
|
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
|
|
, /* 22-29 oem_name[16] */
|
|
0, /* 30 dvc_err_code */
|
|
0, /* 31 adv_err_code */
|
|
0, /* 32 adv_err_addr */
|
|
0, /* 33 saved_dvc_err_code */
|
|
0, /* 34 saved_adv_err_code */
|
|
0, /* 35 saved_adv_err_addr */
|
|
0, /* 36 reserved */
|
|
0, /* 37 reserved */
|
|
0, /* 38 reserved */
|
|
0, /* 39 reserved */
|
|
0, /* 40 reserved */
|
|
0, /* 41 reserved */
|
|
0, /* 42 reserved */
|
|
0, /* 43 reserved */
|
|
0, /* 44 reserved */
|
|
0, /* 45 reserved */
|
|
0, /* 46 reserved */
|
|
0, /* 47 reserved */
|
|
0, /* 48 reserved */
|
|
0, /* 49 reserved */
|
|
0, /* 50 reserved */
|
|
0, /* 51 reserved */
|
|
0, /* 52 reserved */
|
|
0, /* 53 reserved */
|
|
0, /* 54 reserved */
|
|
0, /* 55 reserved */
|
|
0, /* 56 cisptr_lsw */
|
|
0, /* 57 cisprt_msw */
|
|
0, /* 58 subsysvid */
|
|
0, /* 59 subsysid */
|
|
0, /* 60 reserved */
|
|
0, /* 61 reserved */
|
|
0, /* 62 reserved */
|
|
0 /* 63 reserved */
|
|
};
|
|
|
|
/*
|
|
* Wait for EEPROM command to complete
|
|
*/
|
|
static void AdvWaitEEPCmd(AdvPortAddr iop_base)
|
|
{
|
|
int eep_delay_ms;
|
|
|
|
for (eep_delay_ms = 0; eep_delay_ms < ADV_EEP_DELAY_MS; eep_delay_ms++) {
|
|
if (AdvReadWordRegister(iop_base, IOPW_EE_CMD) &
|
|
ASC_EEP_CMD_DONE) {
|
|
break;
|
|
}
|
|
mdelay(1);
|
|
}
|
|
if ((AdvReadWordRegister(iop_base, IOPW_EE_CMD) & ASC_EEP_CMD_DONE) ==
|
|
0)
|
|
BUG();
|
|
}
|
|
|
|
/*
|
|
* Read the EEPROM from specified location
|
|
*/
|
|
static ushort AdvReadEEPWord(AdvPortAddr iop_base, int eep_word_addr)
|
|
{
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
|
|
ASC_EEP_CMD_READ | eep_word_addr);
|
|
AdvWaitEEPCmd(iop_base);
|
|
return AdvReadWordRegister(iop_base, IOPW_EE_DATA);
|
|
}
|
|
|
|
/*
|
|
* Write the EEPROM from 'cfg_buf'.
|
|
*/
|
|
static void AdvSet3550EEPConfig(AdvPortAddr iop_base,
|
|
ADVEEP_3550_CONFIG *cfg_buf)
|
|
{
|
|
ushort *wbuf;
|
|
ushort addr, chksum;
|
|
ushort *charfields;
|
|
|
|
wbuf = (ushort *)cfg_buf;
|
|
charfields = (ushort *)&ADVEEP_3550_Config_Field_IsChar;
|
|
chksum = 0;
|
|
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
|
|
AdvWaitEEPCmd(iop_base);
|
|
|
|
/*
|
|
* Write EEPROM from word 0 to word 20.
|
|
*/
|
|
for (addr = ADV_EEP_DVC_CFG_BEGIN;
|
|
addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
|
|
ushort word;
|
|
|
|
if (*charfields++) {
|
|
word = cpu_to_le16(*wbuf);
|
|
} else {
|
|
word = *wbuf;
|
|
}
|
|
chksum += *wbuf; /* Checksum is calculated from word values. */
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
|
|
ASC_EEP_CMD_WRITE | addr);
|
|
AdvWaitEEPCmd(iop_base);
|
|
mdelay(ADV_EEP_DELAY_MS);
|
|
}
|
|
|
|
/*
|
|
* Write EEPROM checksum at word 21.
|
|
*/
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
|
|
AdvWaitEEPCmd(iop_base);
|
|
wbuf++;
|
|
charfields++;
|
|
|
|
/*
|
|
* Write EEPROM OEM name at words 22 to 29.
|
|
*/
|
|
for (addr = ADV_EEP_DVC_CTL_BEGIN;
|
|
addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
|
|
ushort word;
|
|
|
|
if (*charfields++) {
|
|
word = cpu_to_le16(*wbuf);
|
|
} else {
|
|
word = *wbuf;
|
|
}
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
|
|
ASC_EEP_CMD_WRITE | addr);
|
|
AdvWaitEEPCmd(iop_base);
|
|
}
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
|
|
AdvWaitEEPCmd(iop_base);
|
|
}
|
|
|
|
/*
|
|
* Write the EEPROM from 'cfg_buf'.
|
|
*/
|
|
static void AdvSet38C0800EEPConfig(AdvPortAddr iop_base,
|
|
ADVEEP_38C0800_CONFIG *cfg_buf)
|
|
{
|
|
ushort *wbuf;
|
|
ushort *charfields;
|
|
ushort addr, chksum;
|
|
|
|
wbuf = (ushort *)cfg_buf;
|
|
charfields = (ushort *)&ADVEEP_38C0800_Config_Field_IsChar;
|
|
chksum = 0;
|
|
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
|
|
AdvWaitEEPCmd(iop_base);
|
|
|
|
/*
|
|
* Write EEPROM from word 0 to word 20.
|
|
*/
|
|
for (addr = ADV_EEP_DVC_CFG_BEGIN;
|
|
addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
|
|
ushort word;
|
|
|
|
if (*charfields++) {
|
|
word = cpu_to_le16(*wbuf);
|
|
} else {
|
|
word = *wbuf;
|
|
}
|
|
chksum += *wbuf; /* Checksum is calculated from word values. */
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
|
|
ASC_EEP_CMD_WRITE | addr);
|
|
AdvWaitEEPCmd(iop_base);
|
|
mdelay(ADV_EEP_DELAY_MS);
|
|
}
|
|
|
|
/*
|
|
* Write EEPROM checksum at word 21.
|
|
*/
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
|
|
AdvWaitEEPCmd(iop_base);
|
|
wbuf++;
|
|
charfields++;
|
|
|
|
/*
|
|
* Write EEPROM OEM name at words 22 to 29.
|
|
*/
|
|
for (addr = ADV_EEP_DVC_CTL_BEGIN;
|
|
addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
|
|
ushort word;
|
|
|
|
if (*charfields++) {
|
|
word = cpu_to_le16(*wbuf);
|
|
} else {
|
|
word = *wbuf;
|
|
}
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
|
|
ASC_EEP_CMD_WRITE | addr);
|
|
AdvWaitEEPCmd(iop_base);
|
|
}
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
|
|
AdvWaitEEPCmd(iop_base);
|
|
}
|
|
|
|
/*
|
|
* Write the EEPROM from 'cfg_buf'.
|
|
*/
|
|
static void AdvSet38C1600EEPConfig(AdvPortAddr iop_base,
|
|
ADVEEP_38C1600_CONFIG *cfg_buf)
|
|
{
|
|
ushort *wbuf;
|
|
ushort *charfields;
|
|
ushort addr, chksum;
|
|
|
|
wbuf = (ushort *)cfg_buf;
|
|
charfields = (ushort *)&ADVEEP_38C1600_Config_Field_IsChar;
|
|
chksum = 0;
|
|
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
|
|
AdvWaitEEPCmd(iop_base);
|
|
|
|
/*
|
|
* Write EEPROM from word 0 to word 20.
|
|
*/
|
|
for (addr = ADV_EEP_DVC_CFG_BEGIN;
|
|
addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
|
|
ushort word;
|
|
|
|
if (*charfields++) {
|
|
word = cpu_to_le16(*wbuf);
|
|
} else {
|
|
word = *wbuf;
|
|
}
|
|
chksum += *wbuf; /* Checksum is calculated from word values. */
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
|
|
ASC_EEP_CMD_WRITE | addr);
|
|
AdvWaitEEPCmd(iop_base);
|
|
mdelay(ADV_EEP_DELAY_MS);
|
|
}
|
|
|
|
/*
|
|
* Write EEPROM checksum at word 21.
|
|
*/
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
|
|
AdvWaitEEPCmd(iop_base);
|
|
wbuf++;
|
|
charfields++;
|
|
|
|
/*
|
|
* Write EEPROM OEM name at words 22 to 29.
|
|
*/
|
|
for (addr = ADV_EEP_DVC_CTL_BEGIN;
|
|
addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
|
|
ushort word;
|
|
|
|
if (*charfields++) {
|
|
word = cpu_to_le16(*wbuf);
|
|
} else {
|
|
word = *wbuf;
|
|
}
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
|
|
ASC_EEP_CMD_WRITE | addr);
|
|
AdvWaitEEPCmd(iop_base);
|
|
}
|
|
AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
|
|
AdvWaitEEPCmd(iop_base);
|
|
}
|
|
|
|
/*
|
|
* Read EEPROM configuration into the specified buffer.
|
|
*
|
|
* Return a checksum based on the EEPROM configuration read.
|
|
*/
|
|
static ushort AdvGet3550EEPConfig(AdvPortAddr iop_base,
|
|
ADVEEP_3550_CONFIG *cfg_buf)
|
|
{
|
|
ushort wval, chksum;
|
|
ushort *wbuf;
|
|
int eep_addr;
|
|
ushort *charfields;
|
|
|
|
charfields = (ushort *)&ADVEEP_3550_Config_Field_IsChar;
|
|
wbuf = (ushort *)cfg_buf;
|
|
chksum = 0;
|
|
|
|
for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
|
|
eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
|
|
wval = AdvReadEEPWord(iop_base, eep_addr);
|
|
chksum += wval; /* Checksum is calculated from word values. */
|
|
if (*charfields++) {
|
|
*wbuf = le16_to_cpu(wval);
|
|
} else {
|
|
*wbuf = wval;
|
|
}
|
|
}
|
|
/* Read checksum word. */
|
|
*wbuf = AdvReadEEPWord(iop_base, eep_addr);
|
|
wbuf++;
|
|
charfields++;
|
|
|
|
/* Read rest of EEPROM not covered by the checksum. */
|
|
for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
|
|
eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
|
|
*wbuf = AdvReadEEPWord(iop_base, eep_addr);
|
|
if (*charfields++) {
|
|
*wbuf = le16_to_cpu(*wbuf);
|
|
}
|
|
}
|
|
return chksum;
|
|
}
|
|
|
|
/*
|
|
* Read EEPROM configuration into the specified buffer.
|
|
*
|
|
* Return a checksum based on the EEPROM configuration read.
|
|
*/
|
|
static ushort AdvGet38C0800EEPConfig(AdvPortAddr iop_base,
|
|
ADVEEP_38C0800_CONFIG *cfg_buf)
|
|
{
|
|
ushort wval, chksum;
|
|
ushort *wbuf;
|
|
int eep_addr;
|
|
ushort *charfields;
|
|
|
|
charfields = (ushort *)&ADVEEP_38C0800_Config_Field_IsChar;
|
|
wbuf = (ushort *)cfg_buf;
|
|
chksum = 0;
|
|
|
|
for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
|
|
eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
|
|
wval = AdvReadEEPWord(iop_base, eep_addr);
|
|
chksum += wval; /* Checksum is calculated from word values. */
|
|
if (*charfields++) {
|
|
*wbuf = le16_to_cpu(wval);
|
|
} else {
|
|
*wbuf = wval;
|
|
}
|
|
}
|
|
/* Read checksum word. */
|
|
*wbuf = AdvReadEEPWord(iop_base, eep_addr);
|
|
wbuf++;
|
|
charfields++;
|
|
|
|
/* Read rest of EEPROM not covered by the checksum. */
|
|
for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
|
|
eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
|
|
*wbuf = AdvReadEEPWord(iop_base, eep_addr);
|
|
if (*charfields++) {
|
|
*wbuf = le16_to_cpu(*wbuf);
|
|
}
|
|
}
|
|
return chksum;
|
|
}
|
|
|
|
/*
|
|
* Read EEPROM configuration into the specified buffer.
|
|
*
|
|
* Return a checksum based on the EEPROM configuration read.
|
|
*/
|
|
static ushort AdvGet38C1600EEPConfig(AdvPortAddr iop_base,
|
|
ADVEEP_38C1600_CONFIG *cfg_buf)
|
|
{
|
|
ushort wval, chksum;
|
|
ushort *wbuf;
|
|
int eep_addr;
|
|
ushort *charfields;
|
|
|
|
charfields = (ushort *)&ADVEEP_38C1600_Config_Field_IsChar;
|
|
wbuf = (ushort *)cfg_buf;
|
|
chksum = 0;
|
|
|
|
for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
|
|
eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
|
|
wval = AdvReadEEPWord(iop_base, eep_addr);
|
|
chksum += wval; /* Checksum is calculated from word values. */
|
|
if (*charfields++) {
|
|
*wbuf = le16_to_cpu(wval);
|
|
} else {
|
|
*wbuf = wval;
|
|
}
|
|
}
|
|
/* Read checksum word. */
|
|
*wbuf = AdvReadEEPWord(iop_base, eep_addr);
|
|
wbuf++;
|
|
charfields++;
|
|
|
|
/* Read rest of EEPROM not covered by the checksum. */
|
|
for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
|
|
eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
|
|
*wbuf = AdvReadEEPWord(iop_base, eep_addr);
|
|
if (*charfields++) {
|
|
*wbuf = le16_to_cpu(*wbuf);
|
|
}
|
|
}
|
|
return chksum;
|
|
}
|
|
|
|
/*
|
|
* Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and
|
|
* ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while
|
|
* all of this is done.
|
|
*
|
|
* On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
|
|
*
|
|
* For a non-fatal error return a warning code. If there are no warnings
|
|
* then 0 is returned.
|
|
*
|
|
* Note: Chip is stopped on entry.
|
|
*/
|
|
static int AdvInitFrom3550EEP(ADV_DVC_VAR *asc_dvc)
|
|
{
|
|
AdvPortAddr iop_base;
|
|
ushort warn_code;
|
|
ADVEEP_3550_CONFIG eep_config;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
|
|
warn_code = 0;
|
|
|
|
/*
|
|
* Read the board's EEPROM configuration.
|
|
*
|
|
* Set default values if a bad checksum is found.
|
|
*/
|
|
if (AdvGet3550EEPConfig(iop_base, &eep_config) != eep_config.check_sum) {
|
|
warn_code |= ASC_WARN_EEPROM_CHKSUM;
|
|
|
|
/*
|
|
* Set EEPROM default values.
|
|
*/
|
|
memcpy(&eep_config, &Default_3550_EEPROM_Config,
|
|
sizeof(ADVEEP_3550_CONFIG));
|
|
|
|
/*
|
|
* Assume the 6 byte board serial number that was read from
|
|
* EEPROM is correct even if the EEPROM checksum failed.
|
|
*/
|
|
eep_config.serial_number_word3 =
|
|
AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
|
|
|
|
eep_config.serial_number_word2 =
|
|
AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
|
|
|
|
eep_config.serial_number_word1 =
|
|
AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
|
|
|
|
AdvSet3550EEPConfig(iop_base, &eep_config);
|
|
}
|
|
/*
|
|
* Set ASC_DVC_VAR and ASC_DVC_CFG variables from the
|
|
* EEPROM configuration that was read.
|
|
*
|
|
* This is the mapping of EEPROM fields to Adv Library fields.
|
|
*/
|
|
asc_dvc->wdtr_able = eep_config.wdtr_able;
|
|
asc_dvc->sdtr_able = eep_config.sdtr_able;
|
|
asc_dvc->ultra_able = eep_config.ultra_able;
|
|
asc_dvc->tagqng_able = eep_config.tagqng_able;
|
|
asc_dvc->cfg->disc_enable = eep_config.disc_enable;
|
|
asc_dvc->max_host_qng = eep_config.max_host_qng;
|
|
asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
|
|
asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID);
|
|
asc_dvc->start_motor = eep_config.start_motor;
|
|
asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
|
|
asc_dvc->bios_ctrl = eep_config.bios_ctrl;
|
|
asc_dvc->no_scam = eep_config.scam_tolerant;
|
|
asc_dvc->cfg->serial1 = eep_config.serial_number_word1;
|
|
asc_dvc->cfg->serial2 = eep_config.serial_number_word2;
|
|
asc_dvc->cfg->serial3 = eep_config.serial_number_word3;
|
|
|
|
/*
|
|
* Set the host maximum queuing (max. 253, min. 16) and the per device
|
|
* maximum queuing (max. 63, min. 4).
|
|
*/
|
|
if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
|
|
eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
|
|
} else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
|
|
/* If the value is zero, assume it is uninitialized. */
|
|
if (eep_config.max_host_qng == 0) {
|
|
eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
|
|
} else {
|
|
eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
|
|
}
|
|
}
|
|
|
|
if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
|
|
eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
|
|
} else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
|
|
/* If the value is zero, assume it is uninitialized. */
|
|
if (eep_config.max_dvc_qng == 0) {
|
|
eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
|
|
} else {
|
|
eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If 'max_dvc_qng' is greater than 'max_host_qng', then
|
|
* set 'max_dvc_qng' to 'max_host_qng'.
|
|
*/
|
|
if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
|
|
eep_config.max_dvc_qng = eep_config.max_host_qng;
|
|
}
|
|
|
|
/*
|
|
* Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng'
|
|
* values based on possibly adjusted EEPROM values.
|
|
*/
|
|
asc_dvc->max_host_qng = eep_config.max_host_qng;
|
|
asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
|
|
|
|
/*
|
|
* If the EEPROM 'termination' field is set to automatic (0), then set
|
|
* the ADV_DVC_CFG 'termination' field to automatic also.
|
|
*
|
|
* If the termination is specified with a non-zero 'termination'
|
|
* value check that a legal value is set and set the ADV_DVC_CFG
|
|
* 'termination' field appropriately.
|
|
*/
|
|
if (eep_config.termination == 0) {
|
|
asc_dvc->cfg->termination = 0; /* auto termination */
|
|
} else {
|
|
/* Enable manual control with low off / high off. */
|
|
if (eep_config.termination == 1) {
|
|
asc_dvc->cfg->termination = TERM_CTL_SEL;
|
|
|
|
/* Enable manual control with low off / high on. */
|
|
} else if (eep_config.termination == 2) {
|
|
asc_dvc->cfg->termination = TERM_CTL_SEL | TERM_CTL_H;
|
|
|
|
/* Enable manual control with low on / high on. */
|
|
} else if (eep_config.termination == 3) {
|
|
asc_dvc->cfg->termination =
|
|
TERM_CTL_SEL | TERM_CTL_H | TERM_CTL_L;
|
|
} else {
|
|
/*
|
|
* The EEPROM 'termination' field contains a bad value. Use
|
|
* automatic termination instead.
|
|
*/
|
|
asc_dvc->cfg->termination = 0;
|
|
warn_code |= ASC_WARN_EEPROM_TERMINATION;
|
|
}
|
|
}
|
|
|
|
return warn_code;
|
|
}
|
|
|
|
/*
|
|
* Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and
|
|
* ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while
|
|
* all of this is done.
|
|
*
|
|
* On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
|
|
*
|
|
* For a non-fatal error return a warning code. If there are no warnings
|
|
* then 0 is returned.
|
|
*
|
|
* Note: Chip is stopped on entry.
|
|
*/
|
|
static int AdvInitFrom38C0800EEP(ADV_DVC_VAR *asc_dvc)
|
|
{
|
|
AdvPortAddr iop_base;
|
|
ushort warn_code;
|
|
ADVEEP_38C0800_CONFIG eep_config;
|
|
uchar tid, termination;
|
|
ushort sdtr_speed = 0;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
|
|
warn_code = 0;
|
|
|
|
/*
|
|
* Read the board's EEPROM configuration.
|
|
*
|
|
* Set default values if a bad checksum is found.
|
|
*/
|
|
if (AdvGet38C0800EEPConfig(iop_base, &eep_config) !=
|
|
eep_config.check_sum) {
|
|
warn_code |= ASC_WARN_EEPROM_CHKSUM;
|
|
|
|
/*
|
|
* Set EEPROM default values.
|
|
*/
|
|
memcpy(&eep_config, &Default_38C0800_EEPROM_Config,
|
|
sizeof(ADVEEP_38C0800_CONFIG));
|
|
|
|
/*
|
|
* Assume the 6 byte board serial number that was read from
|
|
* EEPROM is correct even if the EEPROM checksum failed.
|
|
*/
|
|
eep_config.serial_number_word3 =
|
|
AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
|
|
|
|
eep_config.serial_number_word2 =
|
|
AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
|
|
|
|
eep_config.serial_number_word1 =
|
|
AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
|
|
|
|
AdvSet38C0800EEPConfig(iop_base, &eep_config);
|
|
}
|
|
/*
|
|
* Set ADV_DVC_VAR and ADV_DVC_CFG variables from the
|
|
* EEPROM configuration that was read.
|
|
*
|
|
* This is the mapping of EEPROM fields to Adv Library fields.
|
|
*/
|
|
asc_dvc->wdtr_able = eep_config.wdtr_able;
|
|
asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1;
|
|
asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2;
|
|
asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3;
|
|
asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4;
|
|
asc_dvc->tagqng_able = eep_config.tagqng_able;
|
|
asc_dvc->cfg->disc_enable = eep_config.disc_enable;
|
|
asc_dvc->max_host_qng = eep_config.max_host_qng;
|
|
asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
|
|
asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID);
|
|
asc_dvc->start_motor = eep_config.start_motor;
|
|
asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
|
|
asc_dvc->bios_ctrl = eep_config.bios_ctrl;
|
|
asc_dvc->no_scam = eep_config.scam_tolerant;
|
|
asc_dvc->cfg->serial1 = eep_config.serial_number_word1;
|
|
asc_dvc->cfg->serial2 = eep_config.serial_number_word2;
|
|
asc_dvc->cfg->serial3 = eep_config.serial_number_word3;
|
|
|
|
/*
|
|
* For every Target ID if any of its 'sdtr_speed[1234]' bits
|
|
* are set, then set an 'sdtr_able' bit for it.
|
|
*/
|
|
asc_dvc->sdtr_able = 0;
|
|
for (tid = 0; tid <= ADV_MAX_TID; tid++) {
|
|
if (tid == 0) {
|
|
sdtr_speed = asc_dvc->sdtr_speed1;
|
|
} else if (tid == 4) {
|
|
sdtr_speed = asc_dvc->sdtr_speed2;
|
|
} else if (tid == 8) {
|
|
sdtr_speed = asc_dvc->sdtr_speed3;
|
|
} else if (tid == 12) {
|
|
sdtr_speed = asc_dvc->sdtr_speed4;
|
|
}
|
|
if (sdtr_speed & ADV_MAX_TID) {
|
|
asc_dvc->sdtr_able |= (1 << tid);
|
|
}
|
|
sdtr_speed >>= 4;
|
|
}
|
|
|
|
/*
|
|
* Set the host maximum queuing (max. 253, min. 16) and the per device
|
|
* maximum queuing (max. 63, min. 4).
|
|
*/
|
|
if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
|
|
eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
|
|
} else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
|
|
/* If the value is zero, assume it is uninitialized. */
|
|
if (eep_config.max_host_qng == 0) {
|
|
eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
|
|
} else {
|
|
eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
|
|
}
|
|
}
|
|
|
|
if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
|
|
eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
|
|
} else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
|
|
/* If the value is zero, assume it is uninitialized. */
|
|
if (eep_config.max_dvc_qng == 0) {
|
|
eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
|
|
} else {
|
|
eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If 'max_dvc_qng' is greater than 'max_host_qng', then
|
|
* set 'max_dvc_qng' to 'max_host_qng'.
|
|
*/
|
|
if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
|
|
eep_config.max_dvc_qng = eep_config.max_host_qng;
|
|
}
|
|
|
|
/*
|
|
* Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng'
|
|
* values based on possibly adjusted EEPROM values.
|
|
*/
|
|
asc_dvc->max_host_qng = eep_config.max_host_qng;
|
|
asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
|
|
|
|
/*
|
|
* If the EEPROM 'termination' field is set to automatic (0), then set
|
|
* the ADV_DVC_CFG 'termination' field to automatic also.
|
|
*
|
|
* If the termination is specified with a non-zero 'termination'
|
|
* value check that a legal value is set and set the ADV_DVC_CFG
|
|
* 'termination' field appropriately.
|
|
*/
|
|
if (eep_config.termination_se == 0) {
|
|
termination = 0; /* auto termination for SE */
|
|
} else {
|
|
/* Enable manual control with low off / high off. */
|
|
if (eep_config.termination_se == 1) {
|
|
termination = 0;
|
|
|
|
/* Enable manual control with low off / high on. */
|
|
} else if (eep_config.termination_se == 2) {
|
|
termination = TERM_SE_HI;
|
|
|
|
/* Enable manual control with low on / high on. */
|
|
} else if (eep_config.termination_se == 3) {
|
|
termination = TERM_SE;
|
|
} else {
|
|
/*
|
|
* The EEPROM 'termination_se' field contains a bad value.
|
|
* Use automatic termination instead.
|
|
*/
|
|
termination = 0;
|
|
warn_code |= ASC_WARN_EEPROM_TERMINATION;
|
|
}
|
|
}
|
|
|
|
if (eep_config.termination_lvd == 0) {
|
|
asc_dvc->cfg->termination = termination; /* auto termination for LVD */
|
|
} else {
|
|
/* Enable manual control with low off / high off. */
|
|
if (eep_config.termination_lvd == 1) {
|
|
asc_dvc->cfg->termination = termination;
|
|
|
|
/* Enable manual control with low off / high on. */
|
|
} else if (eep_config.termination_lvd == 2) {
|
|
asc_dvc->cfg->termination = termination | TERM_LVD_HI;
|
|
|
|
/* Enable manual control with low on / high on. */
|
|
} else if (eep_config.termination_lvd == 3) {
|
|
asc_dvc->cfg->termination = termination | TERM_LVD;
|
|
} else {
|
|
/*
|
|
* The EEPROM 'termination_lvd' field contains a bad value.
|
|
* Use automatic termination instead.
|
|
*/
|
|
asc_dvc->cfg->termination = termination;
|
|
warn_code |= ASC_WARN_EEPROM_TERMINATION;
|
|
}
|
|
}
|
|
|
|
return warn_code;
|
|
}
|
|
|
|
/*
|
|
* Read the board's EEPROM configuration. Set fields in ASC_DVC_VAR and
|
|
* ASC_DVC_CFG based on the EEPROM settings. The chip is stopped while
|
|
* all of this is done.
|
|
*
|
|
* On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR.
|
|
*
|
|
* For a non-fatal error return a warning code. If there are no warnings
|
|
* then 0 is returned.
|
|
*
|
|
* Note: Chip is stopped on entry.
|
|
*/
|
|
static int AdvInitFrom38C1600EEP(ADV_DVC_VAR *asc_dvc)
|
|
{
|
|
AdvPortAddr iop_base;
|
|
ushort warn_code;
|
|
ADVEEP_38C1600_CONFIG eep_config;
|
|
uchar tid, termination;
|
|
ushort sdtr_speed = 0;
|
|
|
|
iop_base = asc_dvc->iop_base;
|
|
|
|
warn_code = 0;
|
|
|
|
/*
|
|
* Read the board's EEPROM configuration.
|
|
*
|
|
* Set default values if a bad checksum is found.
|
|
*/
|
|
if (AdvGet38C1600EEPConfig(iop_base, &eep_config) !=
|
|
eep_config.check_sum) {
|
|
struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc);
|
|
warn_code |= ASC_WARN_EEPROM_CHKSUM;
|
|
|
|
/*
|
|
* Set EEPROM default values.
|
|
*/
|
|
memcpy(&eep_config, &Default_38C1600_EEPROM_Config,
|
|
sizeof(ADVEEP_38C1600_CONFIG));
|
|
|
|
if (PCI_FUNC(pdev->devfn) != 0) {
|
|
u8 ints;
|
|
/*
|
|
* Disable Bit 14 (BIOS_ENABLE) to fix SPARC Ultra 60
|
|
* and old Mac system booting problem. The Expansion
|
|
* ROM must be disabled in Function 1 for these systems
|
|
*/
|
|
eep_config.cfg_lsw &= ~ADV_EEPROM_BIOS_ENABLE;
|
|
/*
|
|
* Clear the INTAB (bit 11) if the GPIO 0 input
|
|
* indicates the Function 1 interrupt line is wired
|
|
* to INTB.
|
|
*
|
|
* Set/Clear Bit 11 (INTAB) from the GPIO bit 0 input:
|
|
* 1 - Function 1 interrupt line wired to INT A.
|
|
* 0 - Function 1 interrupt line wired to INT B.
|
|
*
|
|
* Note: Function 0 is always wired to INTA.
|
|
* Put all 5 GPIO bits in input mode and then read
|
|
* their input values.
|
|
*/
|
|
AdvWriteByteRegister(iop_base, IOPB_GPIO_CNTL, 0);
|
|
ints = AdvReadByteRegister(iop_base, IOPB_GPIO_DATA);
|
|
if ((ints & 0x01) == 0)
|
|
eep_config.cfg_lsw &= ~ADV_EEPROM_INTAB;
|
|
}
|
|
|
|
/*
|
|
* Assume the 6 byte board serial number that was read from
|
|
* EEPROM is correct even if the EEPROM checksum failed.
|
|
*/
|
|
eep_config.serial_number_word3 =
|
|
AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
|
|
eep_config.serial_number_word2 =
|
|
AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
|
|
eep_config.serial_number_word1 =
|
|
AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
|
|
|
|
AdvSet38C1600EEPConfig(iop_base, &eep_config);
|
|
}
|
|
|
|
/*
|
|
* Set ASC_DVC_VAR and ASC_DVC_CFG variables from the
|
|
* EEPROM configuration that was read.
|
|
*
|
|
* This is the mapping of EEPROM fields to Adv Library fields.
|
|
*/
|
|
asc_dvc->wdtr_able = eep_config.wdtr_able;
|
|
asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1;
|
|
asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2;
|
|
asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3;
|
|
asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4;
|
|
asc_dvc->ppr_able = 0;
|
|
asc_dvc->tagqng_able = eep_config.tagqng_able;
|
|
asc_dvc->cfg->disc_enable = eep_config.disc_enable;
|
|
asc_dvc->max_host_qng = eep_config.max_host_qng;
|
|
asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
|
|
asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ASC_MAX_TID);
|
|
asc_dvc->start_motor = eep_config.start_motor;
|
|
asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
|
|
asc_dvc->bios_ctrl = eep_config.bios_ctrl;
|
|
asc_dvc->no_scam = eep_config.scam_tolerant;
|
|
|
|
/*
|
|
* For every Target ID if any of its 'sdtr_speed[1234]' bits
|
|
* are set, then set an 'sdtr_able' bit for it.
|
|
*/
|
|
asc_dvc->sdtr_able = 0;
|
|
for (tid = 0; tid <= ASC_MAX_TID; tid++) {
|
|
if (tid == 0) {
|
|
sdtr_speed = asc_dvc->sdtr_speed1;
|
|
} else if (tid == 4) {
|
|
sdtr_speed = asc_dvc->sdtr_speed2;
|
|
} else if (tid == 8) {
|
|
sdtr_speed = asc_dvc->sdtr_speed3;
|
|
} else if (tid == 12) {
|
|
sdtr_speed = asc_dvc->sdtr_speed4;
|
|
}
|
|
if (sdtr_speed & ASC_MAX_TID) {
|
|
asc_dvc->sdtr_able |= (1 << tid);
|
|
}
|
|
sdtr_speed >>= 4;
|
|
}
|
|
|
|
/*
|
|
* Set the host maximum queuing (max. 253, min. 16) and the per device
|
|
* maximum queuing (max. 63, min. 4).
|
|
*/
|
|
if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
|
|
eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
|
|
} else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
|
|
/* If the value is zero, assume it is uninitialized. */
|
|
if (eep_config.max_host_qng == 0) {
|
|
eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
|
|
} else {
|
|
eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
|
|
}
|
|
}
|
|
|
|
if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
|
|
eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
|
|
} else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
|
|
/* If the value is zero, assume it is uninitialized. */
|
|
if (eep_config.max_dvc_qng == 0) {
|
|
eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
|
|
} else {
|
|
eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If 'max_dvc_qng' is greater than 'max_host_qng', then
|
|
* set 'max_dvc_qng' to 'max_host_qng'.
|
|
*/
|
|
if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
|
|
eep_config.max_dvc_qng = eep_config.max_host_qng;
|
|
}
|
|
|
|
/*
|
|
* Set ASC_DVC_VAR 'max_host_qng' and ASC_DVC_VAR 'max_dvc_qng'
|
|
* values based on possibly adjusted EEPROM values.
|
|
*/
|
|
asc_dvc->max_host_qng = eep_config.max_host_qng;
|
|
asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
|
|
|
|
/*
|
|
* If the EEPROM 'termination' field is set to automatic (0), then set
|
|
* the ASC_DVC_CFG 'termination' field to automatic also.
|
|
*
|
|
* If the termination is specified with a non-zero 'termination'
|
|
* value check that a legal value is set and set the ASC_DVC_CFG
|
|
* 'termination' field appropriately.
|
|
*/
|
|
if (eep_config.termination_se == 0) {
|
|
termination = 0; /* auto termination for SE */
|
|
} else {
|
|
/* Enable manual control with low off / high off. */
|
|
if (eep_config.termination_se == 1) {
|
|
termination = 0;
|
|
|
|
/* Enable manual control with low off / high on. */
|
|
} else if (eep_config.termination_se == 2) {
|
|
termination = TERM_SE_HI;
|
|
|
|
/* Enable manual control with low on / high on. */
|
|
} else if (eep_config.termination_se == 3) {
|
|
termination = TERM_SE;
|
|
} else {
|
|
/*
|
|
* The EEPROM 'termination_se' field contains a bad value.
|
|
* Use automatic termination instead.
|
|
*/
|
|
termination = 0;
|
|
warn_code |= ASC_WARN_EEPROM_TERMINATION;
|
|
}
|
|
}
|
|
|
|
if (eep_config.termination_lvd == 0) {
|
|
asc_dvc->cfg->termination = termination; /* auto termination for LVD */
|
|
} else {
|
|
/* Enable manual control with low off / high off. */
|
|
if (eep_config.termination_lvd == 1) {
|
|
asc_dvc->cfg->termination = termination;
|
|
|
|
/* Enable manual control with low off / high on. */
|
|
} else if (eep_config.termination_lvd == 2) {
|
|
asc_dvc->cfg->termination = termination | TERM_LVD_HI;
|
|
|
|
/* Enable manual control with low on / high on. */
|
|
} else if (eep_config.termination_lvd == 3) {
|
|
asc_dvc->cfg->termination = termination | TERM_LVD;
|
|
} else {
|
|
/*
|
|
* The EEPROM 'termination_lvd' field contains a bad value.
|
|
* Use automatic termination instead.
|
|
*/
|
|
asc_dvc->cfg->termination = termination;
|
|
warn_code |= ASC_WARN_EEPROM_TERMINATION;
|
|
}
|
|
}
|
|
|
|
return warn_code;
|
|
}
|
|
|
|
/*
|
|
* Initialize the ADV_DVC_VAR structure.
|
|
*
|
|
* On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
|
|
*
|
|
* For a non-fatal error return a warning code. If there are no warnings
|
|
* then 0 is returned.
|
|
*/
|
|
static int AdvInitGetConfig(struct pci_dev *pdev, struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *board = shost_priv(shost);
|
|
ADV_DVC_VAR *asc_dvc = &board->dvc_var.adv_dvc_var;
|
|
unsigned short warn_code = 0;
|
|
AdvPortAddr iop_base = asc_dvc->iop_base;
|
|
u16 cmd;
|
|
int status;
|
|
|
|
asc_dvc->err_code = 0;
|
|
|
|
/*
|
|
* Save the state of the PCI Configuration Command Register
|
|
* "Parity Error Response Control" Bit. If the bit is clear (0),
|
|
* in AdvInitAsc3550/38C0800Driver() tell the microcode to ignore
|
|
* DMA parity errors.
|
|
*/
|
|
asc_dvc->cfg->control_flag = 0;
|
|
pci_read_config_word(pdev, PCI_COMMAND, &cmd);
|
|
if ((cmd & PCI_COMMAND_PARITY) == 0)
|
|
asc_dvc->cfg->control_flag |= CONTROL_FLAG_IGNORE_PERR;
|
|
|
|
asc_dvc->cfg->chip_version =
|
|
AdvGetChipVersion(iop_base, asc_dvc->bus_type);
|
|
|
|
ASC_DBG(1, "iopb_chip_id_1: 0x%x 0x%x\n",
|
|
(ushort)AdvReadByteRegister(iop_base, IOPB_CHIP_ID_1),
|
|
(ushort)ADV_CHIP_ID_BYTE);
|
|
|
|
ASC_DBG(1, "iopw_chip_id_0: 0x%x 0x%x\n",
|
|
(ushort)AdvReadWordRegister(iop_base, IOPW_CHIP_ID_0),
|
|
(ushort)ADV_CHIP_ID_WORD);
|
|
|
|
/*
|
|
* Reset the chip to start and allow register writes.
|
|
*/
|
|
if (AdvFindSignature(iop_base) == 0) {
|
|
asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
|
|
return ADV_ERROR;
|
|
} else {
|
|
/*
|
|
* The caller must set 'chip_type' to a valid setting.
|
|
*/
|
|
if (asc_dvc->chip_type != ADV_CHIP_ASC3550 &&
|
|
asc_dvc->chip_type != ADV_CHIP_ASC38C0800 &&
|
|
asc_dvc->chip_type != ADV_CHIP_ASC38C1600) {
|
|
asc_dvc->err_code |= ASC_IERR_BAD_CHIPTYPE;
|
|
return ADV_ERROR;
|
|
}
|
|
|
|
/*
|
|
* Reset Chip.
|
|
*/
|
|
AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
|
|
ADV_CTRL_REG_CMD_RESET);
|
|
mdelay(100);
|
|
AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
|
|
ADV_CTRL_REG_CMD_WR_IO_REG);
|
|
|
|
if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
|
|
status = AdvInitFrom38C1600EEP(asc_dvc);
|
|
} else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
|
|
status = AdvInitFrom38C0800EEP(asc_dvc);
|
|
} else {
|
|
status = AdvInitFrom3550EEP(asc_dvc);
|
|
}
|
|
warn_code |= status;
|
|
}
|
|
|
|
if (warn_code != 0)
|
|
shost_printk(KERN_WARNING, shost, "warning: 0x%x\n", warn_code);
|
|
|
|
if (asc_dvc->err_code)
|
|
shost_printk(KERN_ERR, shost, "error code 0x%x\n",
|
|
asc_dvc->err_code);
|
|
|
|
return asc_dvc->err_code;
|
|
}
|
|
#endif
|
|
|
|
static struct scsi_host_template advansys_template = {
|
|
.proc_name = DRV_NAME,
|
|
#ifdef CONFIG_PROC_FS
|
|
.show_info = advansys_show_info,
|
|
#endif
|
|
.name = DRV_NAME,
|
|
.info = advansys_info,
|
|
.queuecommand = advansys_queuecommand,
|
|
.eh_host_reset_handler = advansys_reset,
|
|
.bios_param = advansys_biosparam,
|
|
.slave_configure = advansys_slave_configure,
|
|
/*
|
|
* Because the driver may control an ISA adapter 'unchecked_isa_dma'
|
|
* must be set. The flag will be cleared in advansys_board_found
|
|
* for non-ISA adapters.
|
|
*/
|
|
.unchecked_isa_dma = true,
|
|
/*
|
|
* All adapters controlled by this driver are capable of large
|
|
* scatter-gather lists. According to the mid-level SCSI documentation
|
|
* this obviates any performance gain provided by setting
|
|
* 'use_clustering'. But empirically while CPU utilization is increased
|
|
* by enabling clustering, I/O throughput increases as well.
|
|
*/
|
|
.use_clustering = ENABLE_CLUSTERING,
|
|
};
|
|
|
|
static int advansys_wide_init_chip(struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *board = shost_priv(shost);
|
|
struct adv_dvc_var *adv_dvc = &board->dvc_var.adv_dvc_var;
|
|
size_t sgblk_pool_size;
|
|
int warn_code, err_code;
|
|
|
|
/*
|
|
* Allocate buffer carrier structures. The total size
|
|
* is about 8 KB, so allocate all at once.
|
|
*/
|
|
adv_dvc->carrier = dma_alloc_coherent(board->dev,
|
|
ADV_CARRIER_BUFSIZE, &adv_dvc->carrier_addr, GFP_KERNEL);
|
|
ASC_DBG(1, "carrier 0x%p\n", adv_dvc->carrier);
|
|
|
|
if (!adv_dvc->carrier)
|
|
goto kmalloc_failed;
|
|
|
|
/*
|
|
* Allocate up to 'max_host_qng' request structures for the Wide
|
|
* board. The total size is about 16 KB, so allocate all at once.
|
|
* If the allocation fails decrement and try again.
|
|
*/
|
|
board->adv_reqp_size = adv_dvc->max_host_qng * sizeof(adv_req_t);
|
|
if (board->adv_reqp_size & 0x1f) {
|
|
ASC_DBG(1, "unaligned reqp %lu bytes\n", sizeof(adv_req_t));
|
|
board->adv_reqp_size = ADV_32BALIGN(board->adv_reqp_size);
|
|
}
|
|
board->adv_reqp = dma_alloc_coherent(board->dev, board->adv_reqp_size,
|
|
&board->adv_reqp_addr, GFP_KERNEL);
|
|
|
|
if (!board->adv_reqp)
|
|
goto kmalloc_failed;
|
|
|
|
ASC_DBG(1, "reqp 0x%p, req_cnt %d, bytes %lu\n", board->adv_reqp,
|
|
adv_dvc->max_host_qng, board->adv_reqp_size);
|
|
|
|
/*
|
|
* Allocate up to ADV_TOT_SG_BLOCK request structures for
|
|
* the Wide board. Each structure is about 136 bytes.
|
|
*/
|
|
sgblk_pool_size = sizeof(adv_sgblk_t) * ADV_TOT_SG_BLOCK;
|
|
board->adv_sgblk_pool = dma_pool_create("adv_sgblk", board->dev,
|
|
sgblk_pool_size, 32, 0);
|
|
|
|
ASC_DBG(1, "sg_cnt %d * %lu = %lu bytes\n", ADV_TOT_SG_BLOCK,
|
|
sizeof(adv_sgblk_t), sgblk_pool_size);
|
|
|
|
if (!board->adv_sgblk_pool)
|
|
goto kmalloc_failed;
|
|
|
|
if (adv_dvc->chip_type == ADV_CHIP_ASC3550) {
|
|
ASC_DBG(2, "AdvInitAsc3550Driver()\n");
|
|
warn_code = AdvInitAsc3550Driver(adv_dvc);
|
|
} else if (adv_dvc->chip_type == ADV_CHIP_ASC38C0800) {
|
|
ASC_DBG(2, "AdvInitAsc38C0800Driver()\n");
|
|
warn_code = AdvInitAsc38C0800Driver(adv_dvc);
|
|
} else {
|
|
ASC_DBG(2, "AdvInitAsc38C1600Driver()\n");
|
|
warn_code = AdvInitAsc38C1600Driver(adv_dvc);
|
|
}
|
|
err_code = adv_dvc->err_code;
|
|
|
|
if (warn_code || err_code) {
|
|
shost_printk(KERN_WARNING, shost, "error: warn 0x%x, error "
|
|
"0x%x\n", warn_code, err_code);
|
|
}
|
|
|
|
goto exit;
|
|
|
|
kmalloc_failed:
|
|
shost_printk(KERN_ERR, shost, "error: kmalloc() failed\n");
|
|
err_code = ADV_ERROR;
|
|
exit:
|
|
return err_code;
|
|
}
|
|
|
|
static void advansys_wide_free_mem(struct asc_board *board)
|
|
{
|
|
struct adv_dvc_var *adv_dvc = &board->dvc_var.adv_dvc_var;
|
|
|
|
if (adv_dvc->carrier) {
|
|
dma_free_coherent(board->dev, ADV_CARRIER_BUFSIZE,
|
|
adv_dvc->carrier, adv_dvc->carrier_addr);
|
|
adv_dvc->carrier = NULL;
|
|
}
|
|
if (board->adv_reqp) {
|
|
dma_free_coherent(board->dev, board->adv_reqp_size,
|
|
board->adv_reqp, board->adv_reqp_addr);
|
|
board->adv_reqp = NULL;
|
|
}
|
|
if (board->adv_sgblk_pool) {
|
|
dma_pool_destroy(board->adv_sgblk_pool);
|
|
board->adv_sgblk_pool = NULL;
|
|
}
|
|
}
|
|
|
|
static int advansys_board_found(struct Scsi_Host *shost, unsigned int iop,
|
|
int bus_type)
|
|
{
|
|
struct pci_dev *pdev;
|
|
struct asc_board *boardp = shost_priv(shost);
|
|
ASC_DVC_VAR *asc_dvc_varp = NULL;
|
|
ADV_DVC_VAR *adv_dvc_varp = NULL;
|
|
int share_irq, warn_code, ret;
|
|
|
|
pdev = (bus_type == ASC_IS_PCI) ? to_pci_dev(boardp->dev) : NULL;
|
|
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
ASC_DBG(1, "narrow board\n");
|
|
asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
|
|
asc_dvc_varp->bus_type = bus_type;
|
|
asc_dvc_varp->drv_ptr = boardp;
|
|
asc_dvc_varp->cfg = &boardp->dvc_cfg.asc_dvc_cfg;
|
|
asc_dvc_varp->iop_base = iop;
|
|
} else {
|
|
#ifdef CONFIG_PCI
|
|
adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
|
|
adv_dvc_varp->drv_ptr = boardp;
|
|
adv_dvc_varp->cfg = &boardp->dvc_cfg.adv_dvc_cfg;
|
|
if (pdev->device == PCI_DEVICE_ID_ASP_ABP940UW) {
|
|
ASC_DBG(1, "wide board ASC-3550\n");
|
|
adv_dvc_varp->chip_type = ADV_CHIP_ASC3550;
|
|
} else if (pdev->device == PCI_DEVICE_ID_38C0800_REV1) {
|
|
ASC_DBG(1, "wide board ASC-38C0800\n");
|
|
adv_dvc_varp->chip_type = ADV_CHIP_ASC38C0800;
|
|
} else {
|
|
ASC_DBG(1, "wide board ASC-38C1600\n");
|
|
adv_dvc_varp->chip_type = ADV_CHIP_ASC38C1600;
|
|
}
|
|
|
|
boardp->asc_n_io_port = pci_resource_len(pdev, 1);
|
|
boardp->ioremap_addr = pci_ioremap_bar(pdev, 1);
|
|
if (!boardp->ioremap_addr) {
|
|
shost_printk(KERN_ERR, shost, "ioremap(%lx, %d) "
|
|
"returned NULL\n",
|
|
(long)pci_resource_start(pdev, 1),
|
|
boardp->asc_n_io_port);
|
|
ret = -ENODEV;
|
|
goto err_shost;
|
|
}
|
|
adv_dvc_varp->iop_base = (AdvPortAddr)boardp->ioremap_addr;
|
|
ASC_DBG(1, "iop_base: 0x%p\n", adv_dvc_varp->iop_base);
|
|
|
|
/*
|
|
* Even though it isn't used to access wide boards, other
|
|
* than for the debug line below, save I/O Port address so
|
|
* that it can be reported.
|
|
*/
|
|
boardp->ioport = iop;
|
|
|
|
ASC_DBG(1, "iopb_chip_id_1 0x%x, iopw_chip_id_0 0x%x\n",
|
|
(ushort)inp(iop + 1), (ushort)inpw(iop));
|
|
#endif /* CONFIG_PCI */
|
|
}
|
|
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
/*
|
|
* Set the board bus type and PCI IRQ before
|
|
* calling AscInitGetConfig().
|
|
*/
|
|
switch (asc_dvc_varp->bus_type) {
|
|
#ifdef CONFIG_ISA
|
|
case ASC_IS_ISA:
|
|
shost->unchecked_isa_dma = true;
|
|
share_irq = 0;
|
|
break;
|
|
case ASC_IS_VL:
|
|
shost->unchecked_isa_dma = false;
|
|
share_irq = 0;
|
|
break;
|
|
case ASC_IS_EISA:
|
|
shost->unchecked_isa_dma = false;
|
|
share_irq = IRQF_SHARED;
|
|
break;
|
|
#endif /* CONFIG_ISA */
|
|
#ifdef CONFIG_PCI
|
|
case ASC_IS_PCI:
|
|
shost->unchecked_isa_dma = false;
|
|
share_irq = IRQF_SHARED;
|
|
break;
|
|
#endif /* CONFIG_PCI */
|
|
default:
|
|
shost_printk(KERN_ERR, shost, "unknown adapter type: "
|
|
"%d\n", asc_dvc_varp->bus_type);
|
|
shost->unchecked_isa_dma = false;
|
|
share_irq = 0;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* NOTE: AscInitGetConfig() may change the board's
|
|
* bus_type value. The bus_type value should no
|
|
* longer be used. If the bus_type field must be
|
|
* referenced only use the bit-wise AND operator "&".
|
|
*/
|
|
ASC_DBG(2, "AscInitGetConfig()\n");
|
|
ret = AscInitGetConfig(shost) ? -ENODEV : 0;
|
|
} else {
|
|
#ifdef CONFIG_PCI
|
|
/*
|
|
* For Wide boards set PCI information before calling
|
|
* AdvInitGetConfig().
|
|
*/
|
|
shost->unchecked_isa_dma = false;
|
|
share_irq = IRQF_SHARED;
|
|
ASC_DBG(2, "AdvInitGetConfig()\n");
|
|
|
|
ret = AdvInitGetConfig(pdev, shost) ? -ENODEV : 0;
|
|
#else
|
|
share_irq = 0;
|
|
ret = -ENODEV;
|
|
#endif /* CONFIG_PCI */
|
|
}
|
|
|
|
if (ret)
|
|
goto err_unmap;
|
|
|
|
/*
|
|
* Save the EEPROM configuration so that it can be displayed
|
|
* from /proc/scsi/advansys/[0...].
|
|
*/
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
|
|
ASCEEP_CONFIG *ep;
|
|
|
|
/*
|
|
* Set the adapter's target id bit in the 'init_tidmask' field.
|
|
*/
|
|
boardp->init_tidmask |=
|
|
ADV_TID_TO_TIDMASK(asc_dvc_varp->cfg->chip_scsi_id);
|
|
|
|
/*
|
|
* Save EEPROM settings for the board.
|
|
*/
|
|
ep = &boardp->eep_config.asc_eep;
|
|
|
|
ep->init_sdtr = asc_dvc_varp->cfg->sdtr_enable;
|
|
ep->disc_enable = asc_dvc_varp->cfg->disc_enable;
|
|
ep->use_cmd_qng = asc_dvc_varp->cfg->cmd_qng_enabled;
|
|
ASC_EEP_SET_DMA_SPD(ep, asc_dvc_varp->cfg->isa_dma_speed);
|
|
ep->start_motor = asc_dvc_varp->start_motor;
|
|
ep->cntl = asc_dvc_varp->dvc_cntl;
|
|
ep->no_scam = asc_dvc_varp->no_scam;
|
|
ep->max_total_qng = asc_dvc_varp->max_total_qng;
|
|
ASC_EEP_SET_CHIP_ID(ep, asc_dvc_varp->cfg->chip_scsi_id);
|
|
/* 'max_tag_qng' is set to the same value for every device. */
|
|
ep->max_tag_qng = asc_dvc_varp->cfg->max_tag_qng[0];
|
|
ep->adapter_info[0] = asc_dvc_varp->cfg->adapter_info[0];
|
|
ep->adapter_info[1] = asc_dvc_varp->cfg->adapter_info[1];
|
|
ep->adapter_info[2] = asc_dvc_varp->cfg->adapter_info[2];
|
|
ep->adapter_info[3] = asc_dvc_varp->cfg->adapter_info[3];
|
|
ep->adapter_info[4] = asc_dvc_varp->cfg->adapter_info[4];
|
|
ep->adapter_info[5] = asc_dvc_varp->cfg->adapter_info[5];
|
|
|
|
/*
|
|
* Modify board configuration.
|
|
*/
|
|
ASC_DBG(2, "AscInitSetConfig()\n");
|
|
ret = AscInitSetConfig(pdev, shost) ? -ENODEV : 0;
|
|
if (ret)
|
|
goto err_unmap;
|
|
} else {
|
|
ADVEEP_3550_CONFIG *ep_3550;
|
|
ADVEEP_38C0800_CONFIG *ep_38C0800;
|
|
ADVEEP_38C1600_CONFIG *ep_38C1600;
|
|
|
|
/*
|
|
* Save Wide EEP Configuration Information.
|
|
*/
|
|
if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
|
|
ep_3550 = &boardp->eep_config.adv_3550_eep;
|
|
|
|
ep_3550->adapter_scsi_id = adv_dvc_varp->chip_scsi_id;
|
|
ep_3550->max_host_qng = adv_dvc_varp->max_host_qng;
|
|
ep_3550->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
|
|
ep_3550->termination = adv_dvc_varp->cfg->termination;
|
|
ep_3550->disc_enable = adv_dvc_varp->cfg->disc_enable;
|
|
ep_3550->bios_ctrl = adv_dvc_varp->bios_ctrl;
|
|
ep_3550->wdtr_able = adv_dvc_varp->wdtr_able;
|
|
ep_3550->sdtr_able = adv_dvc_varp->sdtr_able;
|
|
ep_3550->ultra_able = adv_dvc_varp->ultra_able;
|
|
ep_3550->tagqng_able = adv_dvc_varp->tagqng_able;
|
|
ep_3550->start_motor = adv_dvc_varp->start_motor;
|
|
ep_3550->scsi_reset_delay =
|
|
adv_dvc_varp->scsi_reset_wait;
|
|
ep_3550->serial_number_word1 =
|
|
adv_dvc_varp->cfg->serial1;
|
|
ep_3550->serial_number_word2 =
|
|
adv_dvc_varp->cfg->serial2;
|
|
ep_3550->serial_number_word3 =
|
|
adv_dvc_varp->cfg->serial3;
|
|
} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
|
|
ep_38C0800 = &boardp->eep_config.adv_38C0800_eep;
|
|
|
|
ep_38C0800->adapter_scsi_id =
|
|
adv_dvc_varp->chip_scsi_id;
|
|
ep_38C0800->max_host_qng = adv_dvc_varp->max_host_qng;
|
|
ep_38C0800->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
|
|
ep_38C0800->termination_lvd =
|
|
adv_dvc_varp->cfg->termination;
|
|
ep_38C0800->disc_enable =
|
|
adv_dvc_varp->cfg->disc_enable;
|
|
ep_38C0800->bios_ctrl = adv_dvc_varp->bios_ctrl;
|
|
ep_38C0800->wdtr_able = adv_dvc_varp->wdtr_able;
|
|
ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able;
|
|
ep_38C0800->sdtr_speed1 = adv_dvc_varp->sdtr_speed1;
|
|
ep_38C0800->sdtr_speed2 = adv_dvc_varp->sdtr_speed2;
|
|
ep_38C0800->sdtr_speed3 = adv_dvc_varp->sdtr_speed3;
|
|
ep_38C0800->sdtr_speed4 = adv_dvc_varp->sdtr_speed4;
|
|
ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able;
|
|
ep_38C0800->start_motor = adv_dvc_varp->start_motor;
|
|
ep_38C0800->scsi_reset_delay =
|
|
adv_dvc_varp->scsi_reset_wait;
|
|
ep_38C0800->serial_number_word1 =
|
|
adv_dvc_varp->cfg->serial1;
|
|
ep_38C0800->serial_number_word2 =
|
|
adv_dvc_varp->cfg->serial2;
|
|
ep_38C0800->serial_number_word3 =
|
|
adv_dvc_varp->cfg->serial3;
|
|
} else {
|
|
ep_38C1600 = &boardp->eep_config.adv_38C1600_eep;
|
|
|
|
ep_38C1600->adapter_scsi_id =
|
|
adv_dvc_varp->chip_scsi_id;
|
|
ep_38C1600->max_host_qng = adv_dvc_varp->max_host_qng;
|
|
ep_38C1600->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
|
|
ep_38C1600->termination_lvd =
|
|
adv_dvc_varp->cfg->termination;
|
|
ep_38C1600->disc_enable =
|
|
adv_dvc_varp->cfg->disc_enable;
|
|
ep_38C1600->bios_ctrl = adv_dvc_varp->bios_ctrl;
|
|
ep_38C1600->wdtr_able = adv_dvc_varp->wdtr_able;
|
|
ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able;
|
|
ep_38C1600->sdtr_speed1 = adv_dvc_varp->sdtr_speed1;
|
|
ep_38C1600->sdtr_speed2 = adv_dvc_varp->sdtr_speed2;
|
|
ep_38C1600->sdtr_speed3 = adv_dvc_varp->sdtr_speed3;
|
|
ep_38C1600->sdtr_speed4 = adv_dvc_varp->sdtr_speed4;
|
|
ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able;
|
|
ep_38C1600->start_motor = adv_dvc_varp->start_motor;
|
|
ep_38C1600->scsi_reset_delay =
|
|
adv_dvc_varp->scsi_reset_wait;
|
|
ep_38C1600->serial_number_word1 =
|
|
adv_dvc_varp->cfg->serial1;
|
|
ep_38C1600->serial_number_word2 =
|
|
adv_dvc_varp->cfg->serial2;
|
|
ep_38C1600->serial_number_word3 =
|
|
adv_dvc_varp->cfg->serial3;
|
|
}
|
|
|
|
/*
|
|
* Set the adapter's target id bit in the 'init_tidmask' field.
|
|
*/
|
|
boardp->init_tidmask |=
|
|
ADV_TID_TO_TIDMASK(adv_dvc_varp->chip_scsi_id);
|
|
}
|
|
|
|
/*
|
|
* Channels are numbered beginning with 0. For AdvanSys one host
|
|
* structure supports one channel. Multi-channel boards have a
|
|
* separate host structure for each channel.
|
|
*/
|
|
shost->max_channel = 0;
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
shost->max_id = ASC_MAX_TID + 1;
|
|
shost->max_lun = ASC_MAX_LUN + 1;
|
|
shost->max_cmd_len = ASC_MAX_CDB_LEN;
|
|
|
|
shost->io_port = asc_dvc_varp->iop_base;
|
|
boardp->asc_n_io_port = ASC_IOADR_GAP;
|
|
shost->this_id = asc_dvc_varp->cfg->chip_scsi_id;
|
|
|
|
/* Set maximum number of queues the adapter can handle. */
|
|
shost->can_queue = asc_dvc_varp->max_total_qng;
|
|
} else {
|
|
shost->max_id = ADV_MAX_TID + 1;
|
|
shost->max_lun = ADV_MAX_LUN + 1;
|
|
shost->max_cmd_len = ADV_MAX_CDB_LEN;
|
|
|
|
/*
|
|
* Save the I/O Port address and length even though
|
|
* I/O ports are not used to access Wide boards.
|
|
* Instead the Wide boards are accessed with
|
|
* PCI Memory Mapped I/O.
|
|
*/
|
|
shost->io_port = iop;
|
|
|
|
shost->this_id = adv_dvc_varp->chip_scsi_id;
|
|
|
|
/* Set maximum number of queues the adapter can handle. */
|
|
shost->can_queue = adv_dvc_varp->max_host_qng;
|
|
}
|
|
|
|
/*
|
|
* Set the maximum number of scatter-gather elements the
|
|
* adapter can handle.
|
|
*/
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
/*
|
|
* Allow two commands with 'sg_tablesize' scatter-gather
|
|
* elements to be executed simultaneously. This value is
|
|
* the theoretical hardware limit. It may be decreased
|
|
* below.
|
|
*/
|
|
shost->sg_tablesize =
|
|
(((asc_dvc_varp->max_total_qng - 2) / 2) *
|
|
ASC_SG_LIST_PER_Q) + 1;
|
|
} else {
|
|
shost->sg_tablesize = ADV_MAX_SG_LIST;
|
|
}
|
|
|
|
/*
|
|
* The value of 'sg_tablesize' can not exceed the SCSI
|
|
* mid-level driver definition of SG_ALL. SG_ALL also
|
|
* must not be exceeded, because it is used to define the
|
|
* size of the scatter-gather table in 'struct asc_sg_head'.
|
|
*/
|
|
if (shost->sg_tablesize > SG_ALL) {
|
|
shost->sg_tablesize = SG_ALL;
|
|
}
|
|
|
|
ASC_DBG(1, "sg_tablesize: %d\n", shost->sg_tablesize);
|
|
|
|
/* BIOS start address. */
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
shost->base = AscGetChipBiosAddress(asc_dvc_varp->iop_base,
|
|
asc_dvc_varp->bus_type);
|
|
} else {
|
|
/*
|
|
* Fill-in BIOS board variables. The Wide BIOS saves
|
|
* information in LRAM that is used by the driver.
|
|
*/
|
|
AdvReadWordLram(adv_dvc_varp->iop_base,
|
|
BIOS_SIGNATURE, boardp->bios_signature);
|
|
AdvReadWordLram(adv_dvc_varp->iop_base,
|
|
BIOS_VERSION, boardp->bios_version);
|
|
AdvReadWordLram(adv_dvc_varp->iop_base,
|
|
BIOS_CODESEG, boardp->bios_codeseg);
|
|
AdvReadWordLram(adv_dvc_varp->iop_base,
|
|
BIOS_CODELEN, boardp->bios_codelen);
|
|
|
|
ASC_DBG(1, "bios_signature 0x%x, bios_version 0x%x\n",
|
|
boardp->bios_signature, boardp->bios_version);
|
|
|
|
ASC_DBG(1, "bios_codeseg 0x%x, bios_codelen 0x%x\n",
|
|
boardp->bios_codeseg, boardp->bios_codelen);
|
|
|
|
/*
|
|
* If the BIOS saved a valid signature, then fill in
|
|
* the BIOS code segment base address.
|
|
*/
|
|
if (boardp->bios_signature == 0x55AA) {
|
|
/*
|
|
* Convert x86 realmode code segment to a linear
|
|
* address by shifting left 4.
|
|
*/
|
|
shost->base = ((ulong)boardp->bios_codeseg << 4);
|
|
} else {
|
|
shost->base = 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Register Board Resources - I/O Port, DMA, IRQ
|
|
*/
|
|
|
|
/* Register DMA Channel for Narrow boards. */
|
|
shost->dma_channel = NO_ISA_DMA; /* Default to no ISA DMA. */
|
|
#ifdef CONFIG_ISA
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
/* Register DMA channel for ISA bus. */
|
|
if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
|
|
shost->dma_channel = asc_dvc_varp->cfg->isa_dma_channel;
|
|
ret = request_dma(shost->dma_channel, DRV_NAME);
|
|
if (ret) {
|
|
shost_printk(KERN_ERR, shost, "request_dma() "
|
|
"%d failed %d\n",
|
|
shost->dma_channel, ret);
|
|
goto err_unmap;
|
|
}
|
|
AscEnableIsaDma(shost->dma_channel);
|
|
}
|
|
}
|
|
#endif /* CONFIG_ISA */
|
|
|
|
/* Register IRQ Number. */
|
|
ASC_DBG(2, "request_irq(%d, %p)\n", boardp->irq, shost);
|
|
|
|
ret = request_irq(boardp->irq, advansys_interrupt, share_irq,
|
|
DRV_NAME, shost);
|
|
|
|
if (ret) {
|
|
if (ret == -EBUSY) {
|
|
shost_printk(KERN_ERR, shost, "request_irq(): IRQ 0x%x "
|
|
"already in use\n", boardp->irq);
|
|
} else if (ret == -EINVAL) {
|
|
shost_printk(KERN_ERR, shost, "request_irq(): IRQ 0x%x "
|
|
"not valid\n", boardp->irq);
|
|
} else {
|
|
shost_printk(KERN_ERR, shost, "request_irq(): IRQ 0x%x "
|
|
"failed with %d\n", boardp->irq, ret);
|
|
}
|
|
goto err_free_dma;
|
|
}
|
|
|
|
/*
|
|
* Initialize board RISC chip and enable interrupts.
|
|
*/
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
ASC_DBG(2, "AscInitAsc1000Driver()\n");
|
|
|
|
asc_dvc_varp->overrun_buf = kzalloc(ASC_OVERRUN_BSIZE, GFP_KERNEL);
|
|
if (!asc_dvc_varp->overrun_buf) {
|
|
ret = -ENOMEM;
|
|
goto err_free_irq;
|
|
}
|
|
warn_code = AscInitAsc1000Driver(asc_dvc_varp);
|
|
|
|
if (warn_code || asc_dvc_varp->err_code) {
|
|
shost_printk(KERN_ERR, shost, "error: init_state 0x%x, "
|
|
"warn 0x%x, error 0x%x\n",
|
|
asc_dvc_varp->init_state, warn_code,
|
|
asc_dvc_varp->err_code);
|
|
if (!asc_dvc_varp->overrun_dma) {
|
|
ret = -ENODEV;
|
|
goto err_free_mem;
|
|
}
|
|
}
|
|
} else {
|
|
if (advansys_wide_init_chip(shost)) {
|
|
ret = -ENODEV;
|
|
goto err_free_mem;
|
|
}
|
|
}
|
|
|
|
ASC_DBG_PRT_SCSI_HOST(2, shost);
|
|
|
|
ret = scsi_add_host(shost, boardp->dev);
|
|
if (ret)
|
|
goto err_free_mem;
|
|
|
|
scsi_scan_host(shost);
|
|
return 0;
|
|
|
|
err_free_mem:
|
|
if (ASC_NARROW_BOARD(boardp)) {
|
|
if (asc_dvc_varp->overrun_dma)
|
|
dma_unmap_single(boardp->dev, asc_dvc_varp->overrun_dma,
|
|
ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
|
|
kfree(asc_dvc_varp->overrun_buf);
|
|
} else
|
|
advansys_wide_free_mem(boardp);
|
|
err_free_irq:
|
|
free_irq(boardp->irq, shost);
|
|
err_free_dma:
|
|
#ifdef CONFIG_ISA
|
|
if (shost->dma_channel != NO_ISA_DMA)
|
|
free_dma(shost->dma_channel);
|
|
#endif
|
|
err_unmap:
|
|
if (boardp->ioremap_addr)
|
|
iounmap(boardp->ioremap_addr);
|
|
#ifdef CONFIG_PCI
|
|
err_shost:
|
|
#endif
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* advansys_release()
|
|
*
|
|
* Release resources allocated for a single AdvanSys adapter.
|
|
*/
|
|
static int advansys_release(struct Scsi_Host *shost)
|
|
{
|
|
struct asc_board *board = shost_priv(shost);
|
|
ASC_DBG(1, "begin\n");
|
|
scsi_remove_host(shost);
|
|
free_irq(board->irq, shost);
|
|
#ifdef CONFIG_ISA
|
|
if (shost->dma_channel != NO_ISA_DMA) {
|
|
ASC_DBG(1, "free_dma()\n");
|
|
free_dma(shost->dma_channel);
|
|
}
|
|
#endif
|
|
if (ASC_NARROW_BOARD(board)) {
|
|
dma_unmap_single(board->dev,
|
|
board->dvc_var.asc_dvc_var.overrun_dma,
|
|
ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
|
|
kfree(board->dvc_var.asc_dvc_var.overrun_buf);
|
|
} else {
|
|
iounmap(board->ioremap_addr);
|
|
advansys_wide_free_mem(board);
|
|
}
|
|
scsi_host_put(shost);
|
|
ASC_DBG(1, "end\n");
|
|
return 0;
|
|
}
|
|
|
|
#define ASC_IOADR_TABLE_MAX_IX 11
|
|
|
|
static PortAddr _asc_def_iop_base[ASC_IOADR_TABLE_MAX_IX] = {
|
|
0x100, 0x0110, 0x120, 0x0130, 0x140, 0x0150, 0x0190,
|
|
0x0210, 0x0230, 0x0250, 0x0330
|
|
};
|
|
|
|
/*
|
|
* The ISA IRQ number is found in bits 2 and 3 of the CfgLsw. It decodes as:
|
|
* 00: 10
|
|
* 01: 11
|
|
* 10: 12
|
|
* 11: 15
|
|
*/
|
|
static unsigned int advansys_isa_irq_no(PortAddr iop_base)
|
|
{
|
|
unsigned short cfg_lsw = AscGetChipCfgLsw(iop_base);
|
|
unsigned int chip_irq = ((cfg_lsw >> 2) & 0x03) + 10;
|
|
if (chip_irq == 13)
|
|
chip_irq = 15;
|
|
return chip_irq;
|
|
}
|
|
|
|
static int advansys_isa_probe(struct device *dev, unsigned int id)
|
|
{
|
|
int err = -ENODEV;
|
|
PortAddr iop_base = _asc_def_iop_base[id];
|
|
struct Scsi_Host *shost;
|
|
struct asc_board *board;
|
|
|
|
if (!request_region(iop_base, ASC_IOADR_GAP, DRV_NAME)) {
|
|
ASC_DBG(1, "I/O port 0x%x busy\n", iop_base);
|
|
return -ENODEV;
|
|
}
|
|
ASC_DBG(1, "probing I/O port 0x%x\n", iop_base);
|
|
if (!AscFindSignature(iop_base))
|
|
goto release_region;
|
|
if (!(AscGetChipVersion(iop_base, ASC_IS_ISA) & ASC_CHIP_VER_ISA_BIT))
|
|
goto release_region;
|
|
|
|
err = -ENOMEM;
|
|
shost = scsi_host_alloc(&advansys_template, sizeof(*board));
|
|
if (!shost)
|
|
goto release_region;
|
|
|
|
board = shost_priv(shost);
|
|
board->irq = advansys_isa_irq_no(iop_base);
|
|
board->dev = dev;
|
|
board->shost = shost;
|
|
|
|
err = advansys_board_found(shost, iop_base, ASC_IS_ISA);
|
|
if (err)
|
|
goto free_host;
|
|
|
|
dev_set_drvdata(dev, shost);
|
|
return 0;
|
|
|
|
free_host:
|
|
scsi_host_put(shost);
|
|
release_region:
|
|
release_region(iop_base, ASC_IOADR_GAP);
|
|
return err;
|
|
}
|
|
|
|
static int advansys_isa_remove(struct device *dev, unsigned int id)
|
|
{
|
|
int ioport = _asc_def_iop_base[id];
|
|
advansys_release(dev_get_drvdata(dev));
|
|
release_region(ioport, ASC_IOADR_GAP);
|
|
return 0;
|
|
}
|
|
|
|
static struct isa_driver advansys_isa_driver = {
|
|
.probe = advansys_isa_probe,
|
|
.remove = advansys_isa_remove,
|
|
.driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = DRV_NAME,
|
|
},
|
|
};
|
|
|
|
/*
|
|
* The VLB IRQ number is found in bits 2 to 4 of the CfgLsw. It decodes as:
|
|
* 000: invalid
|
|
* 001: 10
|
|
* 010: 11
|
|
* 011: 12
|
|
* 100: invalid
|
|
* 101: 14
|
|
* 110: 15
|
|
* 111: invalid
|
|
*/
|
|
static unsigned int advansys_vlb_irq_no(PortAddr iop_base)
|
|
{
|
|
unsigned short cfg_lsw = AscGetChipCfgLsw(iop_base);
|
|
unsigned int chip_irq = ((cfg_lsw >> 2) & 0x07) + 9;
|
|
if ((chip_irq < 10) || (chip_irq == 13) || (chip_irq > 15))
|
|
return 0;
|
|
return chip_irq;
|
|
}
|
|
|
|
static int advansys_vlb_probe(struct device *dev, unsigned int id)
|
|
{
|
|
int err = -ENODEV;
|
|
PortAddr iop_base = _asc_def_iop_base[id];
|
|
struct Scsi_Host *shost;
|
|
struct asc_board *board;
|
|
|
|
if (!request_region(iop_base, ASC_IOADR_GAP, DRV_NAME)) {
|
|
ASC_DBG(1, "I/O port 0x%x busy\n", iop_base);
|
|
return -ENODEV;
|
|
}
|
|
ASC_DBG(1, "probing I/O port 0x%x\n", iop_base);
|
|
if (!AscFindSignature(iop_base))
|
|
goto release_region;
|
|
/*
|
|
* I don't think this condition can actually happen, but the old
|
|
* driver did it, and the chances of finding a VLB setup in 2007
|
|
* to do testing with is slight to none.
|
|
*/
|
|
if (AscGetChipVersion(iop_base, ASC_IS_VL) > ASC_CHIP_MAX_VER_VL)
|
|
goto release_region;
|
|
|
|
err = -ENOMEM;
|
|
shost = scsi_host_alloc(&advansys_template, sizeof(*board));
|
|
if (!shost)
|
|
goto release_region;
|
|
|
|
board = shost_priv(shost);
|
|
board->irq = advansys_vlb_irq_no(iop_base);
|
|
board->dev = dev;
|
|
board->shost = shost;
|
|
|
|
err = advansys_board_found(shost, iop_base, ASC_IS_VL);
|
|
if (err)
|
|
goto free_host;
|
|
|
|
dev_set_drvdata(dev, shost);
|
|
return 0;
|
|
|
|
free_host:
|
|
scsi_host_put(shost);
|
|
release_region:
|
|
release_region(iop_base, ASC_IOADR_GAP);
|
|
return -ENODEV;
|
|
}
|
|
|
|
static struct isa_driver advansys_vlb_driver = {
|
|
.probe = advansys_vlb_probe,
|
|
.remove = advansys_isa_remove,
|
|
.driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = "advansys_vlb",
|
|
},
|
|
};
|
|
|
|
static struct eisa_device_id advansys_eisa_table[] = {
|
|
{ "ABP7401" },
|
|
{ "ABP7501" },
|
|
{ "" }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(eisa, advansys_eisa_table);
|
|
|
|
/*
|
|
* EISA is a little more tricky than PCI; each EISA device may have two
|
|
* channels, and this driver is written to make each channel its own Scsi_Host
|
|
*/
|
|
struct eisa_scsi_data {
|
|
struct Scsi_Host *host[2];
|
|
};
|
|
|
|
/*
|
|
* The EISA IRQ number is found in bits 8 to 10 of the CfgLsw. It decodes as:
|
|
* 000: 10
|
|
* 001: 11
|
|
* 010: 12
|
|
* 011: invalid
|
|
* 100: 14
|
|
* 101: 15
|
|
* 110: invalid
|
|
* 111: invalid
|
|
*/
|
|
static unsigned int advansys_eisa_irq_no(struct eisa_device *edev)
|
|
{
|
|
unsigned short cfg_lsw = inw(edev->base_addr + 0xc86);
|
|
unsigned int chip_irq = ((cfg_lsw >> 8) & 0x07) + 10;
|
|
if ((chip_irq == 13) || (chip_irq > 15))
|
|
return 0;
|
|
return chip_irq;
|
|
}
|
|
|
|
static int advansys_eisa_probe(struct device *dev)
|
|
{
|
|
int i, ioport, irq = 0;
|
|
int err;
|
|
struct eisa_device *edev = to_eisa_device(dev);
|
|
struct eisa_scsi_data *data;
|
|
|
|
err = -ENOMEM;
|
|
data = kzalloc(sizeof(*data), GFP_KERNEL);
|
|
if (!data)
|
|
goto fail;
|
|
ioport = edev->base_addr + 0xc30;
|
|
|
|
err = -ENODEV;
|
|
for (i = 0; i < 2; i++, ioport += 0x20) {
|
|
struct asc_board *board;
|
|
struct Scsi_Host *shost;
|
|
if (!request_region(ioport, ASC_IOADR_GAP, DRV_NAME)) {
|
|
printk(KERN_WARNING "Region %x-%x busy\n", ioport,
|
|
ioport + ASC_IOADR_GAP - 1);
|
|
continue;
|
|
}
|
|
if (!AscFindSignature(ioport)) {
|
|
release_region(ioport, ASC_IOADR_GAP);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* I don't know why we need to do this for EISA chips, but
|
|
* not for any others. It looks to be equivalent to
|
|
* AscGetChipCfgMsw, but I may have overlooked something,
|
|
* so I'm not converting it until I get an EISA board to
|
|
* test with.
|
|
*/
|
|
inw(ioport + 4);
|
|
|
|
if (!irq)
|
|
irq = advansys_eisa_irq_no(edev);
|
|
|
|
err = -ENOMEM;
|
|
shost = scsi_host_alloc(&advansys_template, sizeof(*board));
|
|
if (!shost)
|
|
goto release_region;
|
|
|
|
board = shost_priv(shost);
|
|
board->irq = irq;
|
|
board->dev = dev;
|
|
board->shost = shost;
|
|
|
|
err = advansys_board_found(shost, ioport, ASC_IS_EISA);
|
|
if (!err) {
|
|
data->host[i] = shost;
|
|
continue;
|
|
}
|
|
|
|
scsi_host_put(shost);
|
|
release_region:
|
|
release_region(ioport, ASC_IOADR_GAP);
|
|
break;
|
|
}
|
|
|
|
if (err)
|
|
goto free_data;
|
|
dev_set_drvdata(dev, data);
|
|
return 0;
|
|
|
|
free_data:
|
|
kfree(data->host[0]);
|
|
kfree(data->host[1]);
|
|
kfree(data);
|
|
fail:
|
|
return err;
|
|
}
|
|
|
|
static int advansys_eisa_remove(struct device *dev)
|
|
{
|
|
int i;
|
|
struct eisa_scsi_data *data = dev_get_drvdata(dev);
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
int ioport;
|
|
struct Scsi_Host *shost = data->host[i];
|
|
if (!shost)
|
|
continue;
|
|
ioport = shost->io_port;
|
|
advansys_release(shost);
|
|
release_region(ioport, ASC_IOADR_GAP);
|
|
}
|
|
|
|
kfree(data);
|
|
return 0;
|
|
}
|
|
|
|
static struct eisa_driver advansys_eisa_driver = {
|
|
.id_table = advansys_eisa_table,
|
|
.driver = {
|
|
.name = DRV_NAME,
|
|
.probe = advansys_eisa_probe,
|
|
.remove = advansys_eisa_remove,
|
|
}
|
|
};
|
|
|
|
/* PCI Devices supported by this driver */
|
|
static struct pci_device_id advansys_pci_tbl[] = {
|
|
{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_1200A,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
|
{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
|
{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940U,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
|
{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940UW,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
|
{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_38C0800_REV1,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
|
{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_38C1600_REV1,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, advansys_pci_tbl);
|
|
|
|
static void advansys_set_latency(struct pci_dev *pdev)
|
|
{
|
|
if ((pdev->device == PCI_DEVICE_ID_ASP_1200A) ||
|
|
(pdev->device == PCI_DEVICE_ID_ASP_ABP940)) {
|
|
pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0);
|
|
} else {
|
|
u8 latency;
|
|
pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &latency);
|
|
if (latency < 0x20)
|
|
pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x20);
|
|
}
|
|
}
|
|
|
|
static int advansys_pci_probe(struct pci_dev *pdev,
|
|
const struct pci_device_id *ent)
|
|
{
|
|
int err, ioport;
|
|
struct Scsi_Host *shost;
|
|
struct asc_board *board;
|
|
|
|
err = pci_enable_device(pdev);
|
|
if (err)
|
|
goto fail;
|
|
err = pci_request_regions(pdev, DRV_NAME);
|
|
if (err)
|
|
goto disable_device;
|
|
pci_set_master(pdev);
|
|
advansys_set_latency(pdev);
|
|
|
|
err = -ENODEV;
|
|
if (pci_resource_len(pdev, 0) == 0)
|
|
goto release_region;
|
|
|
|
ioport = pci_resource_start(pdev, 0);
|
|
|
|
err = -ENOMEM;
|
|
shost = scsi_host_alloc(&advansys_template, sizeof(*board));
|
|
if (!shost)
|
|
goto release_region;
|
|
|
|
board = shost_priv(shost);
|
|
board->irq = pdev->irq;
|
|
board->dev = &pdev->dev;
|
|
board->shost = shost;
|
|
|
|
if (pdev->device == PCI_DEVICE_ID_ASP_ABP940UW ||
|
|
pdev->device == PCI_DEVICE_ID_38C0800_REV1 ||
|
|
pdev->device == PCI_DEVICE_ID_38C1600_REV1) {
|
|
board->flags |= ASC_IS_WIDE_BOARD;
|
|
}
|
|
|
|
err = advansys_board_found(shost, ioport, ASC_IS_PCI);
|
|
if (err)
|
|
goto free_host;
|
|
|
|
pci_set_drvdata(pdev, shost);
|
|
return 0;
|
|
|
|
free_host:
|
|
scsi_host_put(shost);
|
|
release_region:
|
|
pci_release_regions(pdev);
|
|
disable_device:
|
|
pci_disable_device(pdev);
|
|
fail:
|
|
return err;
|
|
}
|
|
|
|
static void advansys_pci_remove(struct pci_dev *pdev)
|
|
{
|
|
advansys_release(pci_get_drvdata(pdev));
|
|
pci_release_regions(pdev);
|
|
pci_disable_device(pdev);
|
|
}
|
|
|
|
static struct pci_driver advansys_pci_driver = {
|
|
.name = DRV_NAME,
|
|
.id_table = advansys_pci_tbl,
|
|
.probe = advansys_pci_probe,
|
|
.remove = advansys_pci_remove,
|
|
};
|
|
|
|
static int __init advansys_init(void)
|
|
{
|
|
int error;
|
|
|
|
error = isa_register_driver(&advansys_isa_driver,
|
|
ASC_IOADR_TABLE_MAX_IX);
|
|
if (error)
|
|
goto fail;
|
|
|
|
error = isa_register_driver(&advansys_vlb_driver,
|
|
ASC_IOADR_TABLE_MAX_IX);
|
|
if (error)
|
|
goto unregister_isa;
|
|
|
|
error = eisa_driver_register(&advansys_eisa_driver);
|
|
if (error)
|
|
goto unregister_vlb;
|
|
|
|
error = pci_register_driver(&advansys_pci_driver);
|
|
if (error)
|
|
goto unregister_eisa;
|
|
|
|
return 0;
|
|
|
|
unregister_eisa:
|
|
eisa_driver_unregister(&advansys_eisa_driver);
|
|
unregister_vlb:
|
|
isa_unregister_driver(&advansys_vlb_driver);
|
|
unregister_isa:
|
|
isa_unregister_driver(&advansys_isa_driver);
|
|
fail:
|
|
return error;
|
|
}
|
|
|
|
static void __exit advansys_exit(void)
|
|
{
|
|
pci_unregister_driver(&advansys_pci_driver);
|
|
eisa_driver_unregister(&advansys_eisa_driver);
|
|
isa_unregister_driver(&advansys_vlb_driver);
|
|
isa_unregister_driver(&advansys_isa_driver);
|
|
}
|
|
|
|
module_init(advansys_init);
|
|
module_exit(advansys_exit);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_FIRMWARE("advansys/mcode.bin");
|
|
MODULE_FIRMWARE("advansys/3550.bin");
|
|
MODULE_FIRMWARE("advansys/38C0800.bin");
|
|
MODULE_FIRMWARE("advansys/38C1600.bin");
|