![Linus Torvalds](/assets/img/avatar_default.png)
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: (49 commits) pcmcia: ioctl-internal definitions pcmcia: cistpl header cleanup pcmcia: remove unused argument to pcmcia_parse_tuple() pcmcia: card services header cleanup pcmcia: device_id header cleanup pcmcia: encapsulate ioaddr_t pcmcia: cleanup device driver header file pcmcia: cleanup socket services header file pcmcia: merge ds_internal.h into cs_internal.h pcmcia: cleanup cs_internal.h pcmcia: cs_internal.h is internal pcmcia: use dev_printk for cs_error() pcmcia: remove CS_ error codes alltogether pcmcia: deprecate CS_BAD_TUPLE pcmcia: deprecate CS_BAD_ARGS pcmcia: deprecate CS_BAD_BASE, CS_BAD_IRQ, CS_BAD_OFFSET and CS_BAD_SIZE pcmcia: deprecate CS_BAD_ATTRIBUTE, CS_BAD_TYPE and CS_BAD_PAGE pcmcia: deprecate CS_NO_MORE_ITEMS pcmcia: deprecate CS_IN_USE pcmcia: deprecate CS_CONFIGURATION_LOCKED ... Fix trivial conflict in drivers/pcmcia/ds.c manually
1927 lines
51 KiB
C
1927 lines
51 KiB
C
/*======================================================================
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NinjaSCSI-3 / NinjaSCSI-32Bi PCMCIA SCSI host adapter card driver
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By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>
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Ver.2.8 Support 32bit MMIO mode
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Support Synchronous Data Transfer Request (SDTR) mode
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Ver.2.0 Support 32bit PIO mode
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Ver.1.1.2 Fix for scatter list buffer exceeds
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Ver.1.1 Support scatter list
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Ver.0.1 Initial version
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This software may be used and distributed according to the terms of
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the GNU General Public License.
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======================================================================*/
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/***********************************************************************
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This driver is for these PCcards.
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I-O DATA PCSC-F (Workbit NinjaSCSI-3)
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"WBT", "NinjaSCSI-3", "R1.0"
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I-O DATA CBSC-II (Workbit NinjaSCSI-32Bi in 16bit mode)
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"IO DATA", "CBSC16 ", "1"
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***********************************************************************/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/string.h>
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#include <linux/timer.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/major.h>
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#include <linux/blkdev.h>
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#include <linux/stat.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <../drivers/scsi/scsi.h>
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#include <scsi/scsi_host.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_ioctl.h>
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#include <pcmcia/cs_types.h>
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#include <pcmcia/cs.h>
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#include <pcmcia/cistpl.h>
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#include <pcmcia/cisreg.h>
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#include <pcmcia/ds.h>
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#include "nsp_cs.h"
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MODULE_AUTHOR("YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>");
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MODULE_DESCRIPTION("WorkBit NinjaSCSI-3 / NinjaSCSI-32Bi(16bit) PCMCIA SCSI host adapter module");
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MODULE_SUPPORTED_DEVICE("sd,sr,sg,st");
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#ifdef MODULE_LICENSE
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MODULE_LICENSE("GPL");
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#endif
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#include "nsp_io.h"
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/*====================================================================*/
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/* Parameters that can be set with 'insmod' */
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static int nsp_burst_mode = BURST_MEM32;
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module_param(nsp_burst_mode, int, 0);
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MODULE_PARM_DESC(nsp_burst_mode, "Burst transfer mode (0=io8, 1=io32, 2=mem32(default))");
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/* Release IO ports after configuration? */
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static int free_ports = 0;
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module_param(free_ports, bool, 0);
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MODULE_PARM_DESC(free_ports, "Release IO ports after configuration? (default: 0 (=no))");
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static struct scsi_host_template nsp_driver_template = {
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.proc_name = "nsp_cs",
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.proc_info = nsp_proc_info,
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.name = "WorkBit NinjaSCSI-3/32Bi(16bit)",
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.info = nsp_info,
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.queuecommand = nsp_queuecommand,
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/* .eh_abort_handler = nsp_eh_abort,*/
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.eh_bus_reset_handler = nsp_eh_bus_reset,
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.eh_host_reset_handler = nsp_eh_host_reset,
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.can_queue = 1,
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.this_id = NSP_INITIATOR_ID,
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.sg_tablesize = SG_ALL,
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.cmd_per_lun = 1,
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.use_clustering = DISABLE_CLUSTERING,
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};
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static nsp_hw_data nsp_data_base; /* attach <-> detect glue */
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/*
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* debug, error print
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*/
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#ifndef NSP_DEBUG
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# define NSP_DEBUG_MASK 0x000000
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# define nsp_msg(type, args...) nsp_cs_message("", 0, (type), args)
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# define nsp_dbg(mask, args...) /* */
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#else
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# define NSP_DEBUG_MASK 0xffffff
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# define nsp_msg(type, args...) \
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nsp_cs_message (__func__, __LINE__, (type), args)
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# define nsp_dbg(mask, args...) \
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nsp_cs_dmessage(__func__, __LINE__, (mask), args)
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#endif
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#define NSP_DEBUG_QUEUECOMMAND BIT(0)
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#define NSP_DEBUG_REGISTER BIT(1)
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#define NSP_DEBUG_AUTOSCSI BIT(2)
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#define NSP_DEBUG_INTR BIT(3)
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#define NSP_DEBUG_SGLIST BIT(4)
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#define NSP_DEBUG_BUSFREE BIT(5)
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#define NSP_DEBUG_CDB_CONTENTS BIT(6)
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#define NSP_DEBUG_RESELECTION BIT(7)
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#define NSP_DEBUG_MSGINOCCUR BIT(8)
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#define NSP_DEBUG_EEPROM BIT(9)
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#define NSP_DEBUG_MSGOUTOCCUR BIT(10)
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#define NSP_DEBUG_BUSRESET BIT(11)
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#define NSP_DEBUG_RESTART BIT(12)
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#define NSP_DEBUG_SYNC BIT(13)
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#define NSP_DEBUG_WAIT BIT(14)
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#define NSP_DEBUG_TARGETFLAG BIT(15)
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#define NSP_DEBUG_PROC BIT(16)
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#define NSP_DEBUG_INIT BIT(17)
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#define NSP_DEBUG_DATA_IO BIT(18)
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#define NSP_SPECIAL_PRINT_REGISTER BIT(20)
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#define NSP_DEBUG_BUF_LEN 150
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static inline void nsp_inc_resid(struct scsi_cmnd *SCpnt, int residInc)
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{
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scsi_set_resid(SCpnt, scsi_get_resid(SCpnt) + residInc);
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}
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static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ...)
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{
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va_list args;
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char buf[NSP_DEBUG_BUF_LEN];
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va_start(args, fmt);
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vsnprintf(buf, sizeof(buf), fmt, args);
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va_end(args);
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#ifndef NSP_DEBUG
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printk("%snsp_cs: %s\n", type, buf);
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#else
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printk("%snsp_cs: %s (%d): %s\n", type, func, line, buf);
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#endif
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}
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#ifdef NSP_DEBUG
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static void nsp_cs_dmessage(const char *func, int line, int mask, char *fmt, ...)
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{
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va_list args;
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char buf[NSP_DEBUG_BUF_LEN];
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va_start(args, fmt);
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vsnprintf(buf, sizeof(buf), fmt, args);
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va_end(args);
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if (mask & NSP_DEBUG_MASK) {
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printk("nsp_cs-debug: 0x%x %s (%d): %s\n", mask, func, line, buf);
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}
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}
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#endif
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/***********************************************************/
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/*====================================================
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* Clenaup parameters and call done() functions.
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* You must be set SCpnt->result before call this function.
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*/
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static void nsp_scsi_done(struct scsi_cmnd *SCpnt)
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{
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nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
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data->CurrentSC = NULL;
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SCpnt->scsi_done(SCpnt);
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}
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static int nsp_queuecommand(struct scsi_cmnd *SCpnt,
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void (*done)(struct scsi_cmnd *))
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{
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#ifdef NSP_DEBUG
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/*unsigned int host_id = SCpnt->device->host->this_id;*/
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/*unsigned int base = SCpnt->device->host->io_port;*/
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unsigned char target = scmd_id(SCpnt);
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#endif
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nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
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nsp_dbg(NSP_DEBUG_QUEUECOMMAND,
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"SCpnt=0x%p target=%d lun=%d sglist=0x%p bufflen=%d sg_count=%d",
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SCpnt, target, SCpnt->device->lun, scsi_sglist(SCpnt),
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scsi_bufflen(SCpnt), scsi_sg_count(SCpnt));
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//nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "before CurrentSC=0x%p", data->CurrentSC);
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SCpnt->scsi_done = done;
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if (data->CurrentSC != NULL) {
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nsp_msg(KERN_DEBUG, "CurrentSC!=NULL this can't be happen");
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SCpnt->result = DID_BAD_TARGET << 16;
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nsp_scsi_done(SCpnt);
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return 0;
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}
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#if 0
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/* XXX: pcmcia-cs generates SCSI command with "scsi_info" utility.
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This makes kernel crash when suspending... */
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if (data->ScsiInfo->stop != 0) {
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nsp_msg(KERN_INFO, "suspending device. reject command.");
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SCpnt->result = DID_BAD_TARGET << 16;
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nsp_scsi_done(SCpnt);
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return SCSI_MLQUEUE_HOST_BUSY;
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}
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#endif
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show_command(SCpnt);
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data->CurrentSC = SCpnt;
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SCpnt->SCp.Status = CHECK_CONDITION;
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SCpnt->SCp.Message = 0;
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SCpnt->SCp.have_data_in = IO_UNKNOWN;
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SCpnt->SCp.sent_command = 0;
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SCpnt->SCp.phase = PH_UNDETERMINED;
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scsi_set_resid(SCpnt, scsi_bufflen(SCpnt));
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/* setup scratch area
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SCp.ptr : buffer pointer
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SCp.this_residual : buffer length
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SCp.buffer : next buffer
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SCp.buffers_residual : left buffers in list
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SCp.phase : current state of the command */
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if (scsi_bufflen(SCpnt)) {
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SCpnt->SCp.buffer = scsi_sglist(SCpnt);
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SCpnt->SCp.ptr = BUFFER_ADDR;
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SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
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SCpnt->SCp.buffers_residual = scsi_sg_count(SCpnt) - 1;
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} else {
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SCpnt->SCp.ptr = NULL;
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SCpnt->SCp.this_residual = 0;
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SCpnt->SCp.buffer = NULL;
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SCpnt->SCp.buffers_residual = 0;
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}
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if (nsphw_start_selection(SCpnt) == FALSE) {
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nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "selection fail");
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SCpnt->result = DID_BUS_BUSY << 16;
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nsp_scsi_done(SCpnt);
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return 0;
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}
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//nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "out");
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#ifdef NSP_DEBUG
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data->CmdId++;
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#endif
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return 0;
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}
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/*
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* setup PIO FIFO transfer mode and enable/disable to data out
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*/
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static void nsp_setup_fifo(nsp_hw_data *data, int enabled)
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{
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unsigned int base = data->BaseAddress;
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unsigned char transfer_mode_reg;
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//nsp_dbg(NSP_DEBUG_DATA_IO, "enabled=%d", enabled);
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if (enabled != FALSE) {
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transfer_mode_reg = TRANSFER_GO | BRAIND;
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} else {
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transfer_mode_reg = 0;
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}
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transfer_mode_reg |= data->TransferMode;
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nsp_index_write(base, TRANSFERMODE, transfer_mode_reg);
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}
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static void nsphw_init_sync(nsp_hw_data *data)
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{
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sync_data tmp_sync = { .SyncNegotiation = SYNC_NOT_YET,
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.SyncPeriod = 0,
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.SyncOffset = 0
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};
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int i;
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/* setup sync data */
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for ( i = 0; i < ARRAY_SIZE(data->Sync); i++ ) {
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data->Sync[i] = tmp_sync;
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}
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}
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/*
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* Initialize Ninja hardware
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*/
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static int nsphw_init(nsp_hw_data *data)
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{
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unsigned int base = data->BaseAddress;
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nsp_dbg(NSP_DEBUG_INIT, "in base=0x%x", base);
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data->ScsiClockDiv = CLOCK_40M | FAST_20;
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data->CurrentSC = NULL;
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data->FifoCount = 0;
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data->TransferMode = MODE_IO8;
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nsphw_init_sync(data);
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/* block all interrupts */
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nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK);
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/* setup SCSI interface */
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nsp_write(base, IFSELECT, IF_IFSEL);
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nsp_index_write(base, SCSIIRQMODE, 0);
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nsp_index_write(base, TRANSFERMODE, MODE_IO8);
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nsp_index_write(base, CLOCKDIV, data->ScsiClockDiv);
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nsp_index_write(base, PARITYCTRL, 0);
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nsp_index_write(base, POINTERCLR, POINTER_CLEAR |
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ACK_COUNTER_CLEAR |
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REQ_COUNTER_CLEAR |
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HOST_COUNTER_CLEAR);
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/* setup fifo asic */
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nsp_write(base, IFSELECT, IF_REGSEL);
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nsp_index_write(base, TERMPWRCTRL, 0);
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if ((nsp_index_read(base, OTHERCONTROL) & TPWR_SENSE) == 0) {
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nsp_msg(KERN_INFO, "terminator power on");
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nsp_index_write(base, TERMPWRCTRL, POWER_ON);
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}
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nsp_index_write(base, TIMERCOUNT, 0);
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nsp_index_write(base, TIMERCOUNT, 0); /* requires 2 times!! */
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nsp_index_write(base, SYNCREG, 0);
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nsp_index_write(base, ACKWIDTH, 0);
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/* enable interrupts and ack them */
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nsp_index_write(base, SCSIIRQMODE, SCSI_PHASE_CHANGE_EI |
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RESELECT_EI |
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SCSI_RESET_IRQ_EI );
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nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR);
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nsp_setup_fifo(data, FALSE);
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return TRUE;
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}
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/*
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* Start selection phase
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*/
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static int nsphw_start_selection(struct scsi_cmnd *SCpnt)
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{
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unsigned int host_id = SCpnt->device->host->this_id;
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unsigned int base = SCpnt->device->host->io_port;
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unsigned char target = scmd_id(SCpnt);
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nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
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int time_out;
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unsigned char phase, arbit;
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//nsp_dbg(NSP_DEBUG_RESELECTION, "in");
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phase = nsp_index_read(base, SCSIBUSMON);
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if(phase != BUSMON_BUS_FREE) {
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//nsp_dbg(NSP_DEBUG_RESELECTION, "bus busy");
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return FALSE;
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}
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/* start arbitration */
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//nsp_dbg(NSP_DEBUG_RESELECTION, "start arbit");
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SCpnt->SCp.phase = PH_ARBSTART;
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nsp_index_write(base, SETARBIT, ARBIT_GO);
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time_out = 1000;
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do {
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/* XXX: what a stupid chip! */
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arbit = nsp_index_read(base, ARBITSTATUS);
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//nsp_dbg(NSP_DEBUG_RESELECTION, "arbit=%d, wait_count=%d", arbit, wait_count);
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udelay(1); /* hold 1.2us */
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} while((arbit & (ARBIT_WIN | ARBIT_FAIL)) == 0 &&
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(time_out-- != 0));
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if (!(arbit & ARBIT_WIN)) {
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//nsp_dbg(NSP_DEBUG_RESELECTION, "arbit fail");
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nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR);
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return FALSE;
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}
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/* assert select line */
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//nsp_dbg(NSP_DEBUG_RESELECTION, "assert SEL line");
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SCpnt->SCp.phase = PH_SELSTART;
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udelay(3); /* wait 2.4us */
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nsp_index_write(base, SCSIDATALATCH, BIT(host_id) | BIT(target));
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nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_ATN);
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udelay(2); /* wait >1.2us */
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nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_DATAOUT_ENB | SCSI_ATN);
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nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR);
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/*udelay(1);*/ /* wait >90ns */
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nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_DATAOUT_ENB | SCSI_ATN);
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/* check selection timeout */
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nsp_start_timer(SCpnt, 1000/51);
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data->SelectionTimeOut = 1;
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return TRUE;
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}
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struct nsp_sync_table {
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unsigned int min_period;
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unsigned int max_period;
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unsigned int chip_period;
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unsigned int ack_width;
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};
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static struct nsp_sync_table nsp_sync_table_40M[] = {
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{0x0c, 0x0c, 0x1, 0}, /* 20MB 50ns*/
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{0x19, 0x19, 0x3, 1}, /* 10MB 100ns*/
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{0x1a, 0x25, 0x5, 2}, /* 7.5MB 150ns*/
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{0x26, 0x32, 0x7, 3}, /* 5MB 200ns*/
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{ 0, 0, 0, 0},
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};
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static struct nsp_sync_table nsp_sync_table_20M[] = {
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{0x19, 0x19, 0x1, 0}, /* 10MB 100ns*/
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{0x1a, 0x25, 0x2, 0}, /* 7.5MB 150ns*/
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{0x26, 0x32, 0x3, 1}, /* 5MB 200ns*/
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{ 0, 0, 0, 0},
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};
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/*
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* setup synchronous data transfer mode
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*/
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static int nsp_analyze_sdtr(struct scsi_cmnd *SCpnt)
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{
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unsigned char target = scmd_id(SCpnt);
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// unsigned char lun = SCpnt->device->lun;
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nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
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sync_data *sync = &(data->Sync[target]);
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struct nsp_sync_table *sync_table;
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unsigned int period, offset;
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int i;
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|
|
nsp_dbg(NSP_DEBUG_SYNC, "in");
|
|
|
|
period = sync->SyncPeriod;
|
|
offset = sync->SyncOffset;
|
|
|
|
nsp_dbg(NSP_DEBUG_SYNC, "period=0x%x, offset=0x%x", period, offset);
|
|
|
|
if ((data->ScsiClockDiv & (BIT(0)|BIT(1))) == CLOCK_20M) {
|
|
sync_table = nsp_sync_table_20M;
|
|
} else {
|
|
sync_table = nsp_sync_table_40M;
|
|
}
|
|
|
|
for ( i = 0; sync_table->max_period != 0; i++, sync_table++) {
|
|
if ( period >= sync_table->min_period &&
|
|
period <= sync_table->max_period ) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (period != 0 && sync_table->max_period == 0) {
|
|
/*
|
|
* No proper period/offset found
|
|
*/
|
|
nsp_dbg(NSP_DEBUG_SYNC, "no proper period/offset");
|
|
|
|
sync->SyncPeriod = 0;
|
|
sync->SyncOffset = 0;
|
|
sync->SyncRegister = 0;
|
|
sync->AckWidth = 0;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
sync->SyncRegister = (sync_table->chip_period << SYNCREG_PERIOD_SHIFT) |
|
|
(offset & SYNCREG_OFFSET_MASK);
|
|
sync->AckWidth = sync_table->ack_width;
|
|
|
|
nsp_dbg(NSP_DEBUG_SYNC, "sync_reg=0x%x, ack_width=0x%x", sync->SyncRegister, sync->AckWidth);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* start ninja hardware timer
|
|
*/
|
|
static void nsp_start_timer(struct scsi_cmnd *SCpnt, int time)
|
|
{
|
|
unsigned int base = SCpnt->device->host->io_port;
|
|
nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
|
|
|
|
//nsp_dbg(NSP_DEBUG_INTR, "in SCpnt=0x%p, time=%d", SCpnt, time);
|
|
data->TimerCount = time;
|
|
nsp_index_write(base, TIMERCOUNT, time);
|
|
}
|
|
|
|
/*
|
|
* wait for bus phase change
|
|
*/
|
|
static int nsp_negate_signal(struct scsi_cmnd *SCpnt, unsigned char mask,
|
|
char *str)
|
|
{
|
|
unsigned int base = SCpnt->device->host->io_port;
|
|
unsigned char reg;
|
|
int time_out;
|
|
|
|
//nsp_dbg(NSP_DEBUG_INTR, "in");
|
|
|
|
time_out = 100;
|
|
|
|
do {
|
|
reg = nsp_index_read(base, SCSIBUSMON);
|
|
if (reg == 0xff) {
|
|
break;
|
|
}
|
|
} while ((time_out-- != 0) && (reg & mask) != 0);
|
|
|
|
if (time_out == 0) {
|
|
nsp_msg(KERN_DEBUG, " %s signal off timeut", str);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* expect Ninja Irq
|
|
*/
|
|
static int nsp_expect_signal(struct scsi_cmnd *SCpnt,
|
|
unsigned char current_phase,
|
|
unsigned char mask)
|
|
{
|
|
unsigned int base = SCpnt->device->host->io_port;
|
|
int time_out;
|
|
unsigned char phase, i_src;
|
|
|
|
//nsp_dbg(NSP_DEBUG_INTR, "current_phase=0x%x, mask=0x%x", current_phase, mask);
|
|
|
|
time_out = 100;
|
|
do {
|
|
phase = nsp_index_read(base, SCSIBUSMON);
|
|
if (phase == 0xff) {
|
|
//nsp_dbg(NSP_DEBUG_INTR, "ret -1");
|
|
return -1;
|
|
}
|
|
i_src = nsp_read(base, IRQSTATUS);
|
|
if (i_src & IRQSTATUS_SCSI) {
|
|
//nsp_dbg(NSP_DEBUG_INTR, "ret 0 found scsi signal");
|
|
return 0;
|
|
}
|
|
if ((phase & mask) != 0 && (phase & BUSMON_PHASE_MASK) == current_phase) {
|
|
//nsp_dbg(NSP_DEBUG_INTR, "ret 1 phase=0x%x", phase);
|
|
return 1;
|
|
}
|
|
} while(time_out-- != 0);
|
|
|
|
//nsp_dbg(NSP_DEBUG_INTR, "timeout");
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* transfer SCSI message
|
|
*/
|
|
static int nsp_xfer(struct scsi_cmnd *SCpnt, int phase)
|
|
{
|
|
unsigned int base = SCpnt->device->host->io_port;
|
|
nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
|
|
char *buf = data->MsgBuffer;
|
|
int len = min(MSGBUF_SIZE, data->MsgLen);
|
|
int ptr;
|
|
int ret;
|
|
|
|
//nsp_dbg(NSP_DEBUG_DATA_IO, "in");
|
|
for (ptr = 0; len > 0; len--, ptr++) {
|
|
|
|
ret = nsp_expect_signal(SCpnt, phase, BUSMON_REQ);
|
|
if (ret <= 0) {
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "xfer quit");
|
|
return 0;
|
|
}
|
|
|
|
/* if last byte, negate ATN */
|
|
if (len == 1 && SCpnt->SCp.phase == PH_MSG_OUT) {
|
|
nsp_index_write(base, SCSIBUSCTRL, AUTODIRECTION | ACKENB);
|
|
}
|
|
|
|
/* read & write message */
|
|
if (phase & BUSMON_IO) {
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "read msg");
|
|
buf[ptr] = nsp_index_read(base, SCSIDATAWITHACK);
|
|
} else {
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "write msg");
|
|
nsp_index_write(base, SCSIDATAWITHACK, buf[ptr]);
|
|
}
|
|
nsp_negate_signal(SCpnt, BUSMON_ACK, "xfer<ack>");
|
|
|
|
}
|
|
return len;
|
|
}
|
|
|
|
/*
|
|
* get extra SCSI data from fifo
|
|
*/
|
|
static int nsp_dataphase_bypass(struct scsi_cmnd *SCpnt)
|
|
{
|
|
nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
|
|
unsigned int count;
|
|
|
|
//nsp_dbg(NSP_DEBUG_DATA_IO, "in");
|
|
|
|
if (SCpnt->SCp.have_data_in != IO_IN) {
|
|
return 0;
|
|
}
|
|
|
|
count = nsp_fifo_count(SCpnt);
|
|
if (data->FifoCount == count) {
|
|
//nsp_dbg(NSP_DEBUG_DATA_IO, "not use bypass quirk");
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* XXX: NSP_QUIRK
|
|
* data phase skip only occures in case of SCSI_LOW_READ
|
|
*/
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "use bypass quirk");
|
|
SCpnt->SCp.phase = PH_DATA;
|
|
nsp_pio_read(SCpnt);
|
|
nsp_setup_fifo(data, FALSE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* accept reselection
|
|
*/
|
|
static int nsp_reselected(struct scsi_cmnd *SCpnt)
|
|
{
|
|
unsigned int base = SCpnt->device->host->io_port;
|
|
unsigned int host_id = SCpnt->device->host->this_id;
|
|
//nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
|
|
unsigned char bus_reg;
|
|
unsigned char id_reg, tmp;
|
|
int target;
|
|
|
|
nsp_dbg(NSP_DEBUG_RESELECTION, "in");
|
|
|
|
id_reg = nsp_index_read(base, RESELECTID);
|
|
tmp = id_reg & (~BIT(host_id));
|
|
target = 0;
|
|
while(tmp != 0) {
|
|
if (tmp & BIT(0)) {
|
|
break;
|
|
}
|
|
tmp >>= 1;
|
|
target++;
|
|
}
|
|
|
|
if (scmd_id(SCpnt) != target) {
|
|
nsp_msg(KERN_ERR, "XXX: reselect ID must be %d in this implementation.", target);
|
|
}
|
|
|
|
nsp_negate_signal(SCpnt, BUSMON_SEL, "reselect<SEL>");
|
|
|
|
nsp_nexus(SCpnt);
|
|
bus_reg = nsp_index_read(base, SCSIBUSCTRL) & ~(SCSI_BSY | SCSI_ATN);
|
|
nsp_index_write(base, SCSIBUSCTRL, bus_reg);
|
|
nsp_index_write(base, SCSIBUSCTRL, bus_reg | AUTODIRECTION | ACKENB);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* count how many data transferd
|
|
*/
|
|
static int nsp_fifo_count(struct scsi_cmnd *SCpnt)
|
|
{
|
|
unsigned int base = SCpnt->device->host->io_port;
|
|
unsigned int count;
|
|
unsigned int l, m, h, dummy;
|
|
|
|
nsp_index_write(base, POINTERCLR, POINTER_CLEAR | ACK_COUNTER);
|
|
|
|
l = nsp_index_read(base, TRANSFERCOUNT);
|
|
m = nsp_index_read(base, TRANSFERCOUNT);
|
|
h = nsp_index_read(base, TRANSFERCOUNT);
|
|
dummy = nsp_index_read(base, TRANSFERCOUNT); /* required this! */
|
|
|
|
count = (h << 16) | (m << 8) | (l << 0);
|
|
|
|
//nsp_dbg(NSP_DEBUG_DATA_IO, "count=0x%x", count);
|
|
|
|
return count;
|
|
}
|
|
|
|
/* fifo size */
|
|
#define RFIFO_CRIT 64
|
|
#define WFIFO_CRIT 64
|
|
|
|
/*
|
|
* read data in DATA IN phase
|
|
*/
|
|
static void nsp_pio_read(struct scsi_cmnd *SCpnt)
|
|
{
|
|
unsigned int base = SCpnt->device->host->io_port;
|
|
unsigned long mmio_base = SCpnt->device->host->base;
|
|
nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
|
|
long time_out;
|
|
int ocount, res;
|
|
unsigned char stat, fifo_stat;
|
|
|
|
ocount = data->FifoCount;
|
|
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p resid=%d ocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d",
|
|
SCpnt, scsi_get_resid(SCpnt), ocount, SCpnt->SCp.ptr,
|
|
SCpnt->SCp.this_residual, SCpnt->SCp.buffer,
|
|
SCpnt->SCp.buffers_residual);
|
|
|
|
time_out = 1000;
|
|
|
|
while ((time_out-- != 0) &&
|
|
(SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0 ) ) {
|
|
|
|
stat = nsp_index_read(base, SCSIBUSMON);
|
|
stat &= BUSMON_PHASE_MASK;
|
|
|
|
|
|
res = nsp_fifo_count(SCpnt) - ocount;
|
|
//nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x ocount=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount, res);
|
|
if (res == 0) { /* if some data avilable ? */
|
|
if (stat == BUSPHASE_DATA_IN) { /* phase changed? */
|
|
//nsp_dbg(NSP_DEBUG_DATA_IO, " wait for data this=%d", SCpnt->SCp.this_residual);
|
|
continue;
|
|
} else {
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x", stat);
|
|
break;
|
|
}
|
|
}
|
|
|
|
fifo_stat = nsp_read(base, FIFOSTATUS);
|
|
if ((fifo_stat & FIFOSTATUS_FULL_EMPTY) == 0 &&
|
|
stat == BUSPHASE_DATA_IN) {
|
|
continue;
|
|
}
|
|
|
|
res = min(res, SCpnt->SCp.this_residual);
|
|
|
|
switch (data->TransferMode) {
|
|
case MODE_IO32:
|
|
res &= ~(BIT(1)|BIT(0)); /* align 4 */
|
|
nsp_fifo32_read(base, SCpnt->SCp.ptr, res >> 2);
|
|
break;
|
|
case MODE_IO8:
|
|
nsp_fifo8_read (base, SCpnt->SCp.ptr, res );
|
|
break;
|
|
|
|
case MODE_MEM32:
|
|
res &= ~(BIT(1)|BIT(0)); /* align 4 */
|
|
nsp_mmio_fifo32_read(mmio_base, SCpnt->SCp.ptr, res >> 2);
|
|
break;
|
|
|
|
default:
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "unknown read mode");
|
|
return;
|
|
}
|
|
|
|
nsp_inc_resid(SCpnt, -res);
|
|
SCpnt->SCp.ptr += res;
|
|
SCpnt->SCp.this_residual -= res;
|
|
ocount += res;
|
|
//nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this_residual=0x%x ocount=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount);
|
|
|
|
/* go to next scatter list if available */
|
|
if (SCpnt->SCp.this_residual == 0 &&
|
|
SCpnt->SCp.buffers_residual != 0 ) {
|
|
//nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next timeout=%d", time_out);
|
|
SCpnt->SCp.buffers_residual--;
|
|
SCpnt->SCp.buffer++;
|
|
SCpnt->SCp.ptr = BUFFER_ADDR;
|
|
SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
|
|
time_out = 1000;
|
|
|
|
//nsp_dbg(NSP_DEBUG_DATA_IO, "page: 0x%p, off: 0x%x", SCpnt->SCp.buffer->page, SCpnt->SCp.buffer->offset);
|
|
}
|
|
}
|
|
|
|
data->FifoCount = ocount;
|
|
|
|
if (time_out == 0) {
|
|
nsp_msg(KERN_DEBUG, "pio read timeout resid=%d this_residual=%d buffers_residual=%d",
|
|
scsi_get_resid(SCpnt), SCpnt->SCp.this_residual,
|
|
SCpnt->SCp.buffers_residual);
|
|
}
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "read ocount=0x%x", ocount);
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId,
|
|
scsi_get_resid(SCpnt));
|
|
}
|
|
|
|
/*
|
|
* write data in DATA OUT phase
|
|
*/
|
|
static void nsp_pio_write(struct scsi_cmnd *SCpnt)
|
|
{
|
|
unsigned int base = SCpnt->device->host->io_port;
|
|
unsigned long mmio_base = SCpnt->device->host->base;
|
|
nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
|
|
int time_out;
|
|
int ocount, res;
|
|
unsigned char stat;
|
|
|
|
ocount = data->FifoCount;
|
|
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "in fifocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d resid=0x%x",
|
|
data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual,
|
|
SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual,
|
|
scsi_get_resid(SCpnt));
|
|
|
|
time_out = 1000;
|
|
|
|
while ((time_out-- != 0) &&
|
|
(SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0)) {
|
|
stat = nsp_index_read(base, SCSIBUSMON);
|
|
stat &= BUSMON_PHASE_MASK;
|
|
|
|
if (stat != BUSPHASE_DATA_OUT) {
|
|
res = ocount - nsp_fifo_count(SCpnt);
|
|
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x, res=%d\n", stat, res);
|
|
/* Put back pointer */
|
|
nsp_inc_resid(SCpnt, res);
|
|
SCpnt->SCp.ptr -= res;
|
|
SCpnt->SCp.this_residual += res;
|
|
ocount -= res;
|
|
|
|
break;
|
|
}
|
|
|
|
res = ocount - nsp_fifo_count(SCpnt);
|
|
if (res > 0) { /* write all data? */
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "wait for all data out. ocount=0x%x res=%d", ocount, res);
|
|
continue;
|
|
}
|
|
|
|
res = min(SCpnt->SCp.this_residual, WFIFO_CRIT);
|
|
|
|
//nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, res);
|
|
switch (data->TransferMode) {
|
|
case MODE_IO32:
|
|
res &= ~(BIT(1)|BIT(0)); /* align 4 */
|
|
nsp_fifo32_write(base, SCpnt->SCp.ptr, res >> 2);
|
|
break;
|
|
case MODE_IO8:
|
|
nsp_fifo8_write (base, SCpnt->SCp.ptr, res );
|
|
break;
|
|
|
|
case MODE_MEM32:
|
|
res &= ~(BIT(1)|BIT(0)); /* align 4 */
|
|
nsp_mmio_fifo32_write(mmio_base, SCpnt->SCp.ptr, res >> 2);
|
|
break;
|
|
|
|
default:
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "unknown write mode");
|
|
break;
|
|
}
|
|
|
|
nsp_inc_resid(SCpnt, -res);
|
|
SCpnt->SCp.ptr += res;
|
|
SCpnt->SCp.this_residual -= res;
|
|
ocount += res;
|
|
|
|
/* go to next scatter list if available */
|
|
if (SCpnt->SCp.this_residual == 0 &&
|
|
SCpnt->SCp.buffers_residual != 0 ) {
|
|
//nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next");
|
|
SCpnt->SCp.buffers_residual--;
|
|
SCpnt->SCp.buffer++;
|
|
SCpnt->SCp.ptr = BUFFER_ADDR;
|
|
SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
|
|
time_out = 1000;
|
|
}
|
|
}
|
|
|
|
data->FifoCount = ocount;
|
|
|
|
if (time_out == 0) {
|
|
nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x",
|
|
scsi_get_resid(SCpnt));
|
|
}
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "write ocount=0x%x", ocount);
|
|
nsp_dbg(NSP_DEBUG_DATA_IO, "w cmd=%d resid=0x%x\n", data->CmdId,
|
|
scsi_get_resid(SCpnt));
|
|
}
|
|
#undef RFIFO_CRIT
|
|
#undef WFIFO_CRIT
|
|
|
|
/*
|
|
* setup synchronous/asynchronous data transfer mode
|
|
*/
|
|
static int nsp_nexus(struct scsi_cmnd *SCpnt)
|
|
{
|
|
unsigned int base = SCpnt->device->host->io_port;
|
|
unsigned char target = scmd_id(SCpnt);
|
|
// unsigned char lun = SCpnt->device->lun;
|
|
nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
|
|
sync_data *sync = &(data->Sync[target]);
|
|
|
|
//nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p", SCpnt);
|
|
|
|
/* setup synch transfer registers */
|
|
nsp_index_write(base, SYNCREG, sync->SyncRegister);
|
|
nsp_index_write(base, ACKWIDTH, sync->AckWidth);
|
|
|
|
if (scsi_get_resid(SCpnt) % 4 != 0 ||
|
|
scsi_get_resid(SCpnt) <= PAGE_SIZE ) {
|
|
data->TransferMode = MODE_IO8;
|
|
} else if (nsp_burst_mode == BURST_MEM32) {
|
|
data->TransferMode = MODE_MEM32;
|
|
} else if (nsp_burst_mode == BURST_IO32) {
|
|
data->TransferMode = MODE_IO32;
|
|
} else {
|
|
data->TransferMode = MODE_IO8;
|
|
}
|
|
|
|
/* setup pdma fifo */
|
|
nsp_setup_fifo(data, TRUE);
|
|
|
|
/* clear ack counter */
|
|
data->FifoCount = 0;
|
|
nsp_index_write(base, POINTERCLR, POINTER_CLEAR |
|
|
ACK_COUNTER_CLEAR |
|
|
REQ_COUNTER_CLEAR |
|
|
HOST_COUNTER_CLEAR);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include "nsp_message.c"
|
|
/*
|
|
* interrupt handler
|
|
*/
|
|
static irqreturn_t nspintr(int irq, void *dev_id)
|
|
{
|
|
unsigned int base;
|
|
unsigned char irq_status, irq_phase, phase;
|
|
struct scsi_cmnd *tmpSC;
|
|
unsigned char target, lun;
|
|
unsigned int *sync_neg;
|
|
int i, tmp;
|
|
nsp_hw_data *data;
|
|
|
|
|
|
//nsp_dbg(NSP_DEBUG_INTR, "dev_id=0x%p", dev_id);
|
|
//nsp_dbg(NSP_DEBUG_INTR, "host=0x%p", ((scsi_info_t *)dev_id)->host);
|
|
|
|
if ( dev_id != NULL &&
|
|
((scsi_info_t *)dev_id)->host != NULL ) {
|
|
scsi_info_t *info = (scsi_info_t *)dev_id;
|
|
|
|
data = (nsp_hw_data *)info->host->hostdata;
|
|
} else {
|
|
nsp_dbg(NSP_DEBUG_INTR, "host data wrong");
|
|
return IRQ_NONE;
|
|
}
|
|
|
|
//nsp_dbg(NSP_DEBUG_INTR, "&nsp_data_base=0x%p, dev_id=0x%p", &nsp_data_base, dev_id);
|
|
|
|
base = data->BaseAddress;
|
|
//nsp_dbg(NSP_DEBUG_INTR, "base=0x%x", base);
|
|
|
|
/*
|
|
* interrupt check
|
|
*/
|
|
nsp_write(base, IRQCONTROL, IRQCONTROL_IRQDISABLE);
|
|
irq_status = nsp_read(base, IRQSTATUS);
|
|
//nsp_dbg(NSP_DEBUG_INTR, "irq_status=0x%x", irq_status);
|
|
if ((irq_status == 0xff) || ((irq_status & IRQSTATUS_MASK) == 0)) {
|
|
nsp_write(base, IRQCONTROL, 0);
|
|
//nsp_dbg(NSP_DEBUG_INTR, "no irq/shared irq");
|
|
return IRQ_NONE;
|
|
}
|
|
|
|
/* XXX: IMPORTANT
|
|
* Do not read an irq_phase register if no scsi phase interrupt.
|
|
* Unless, you should lose a scsi phase interrupt.
|
|
*/
|
|
phase = nsp_index_read(base, SCSIBUSMON);
|
|
if((irq_status & IRQSTATUS_SCSI) != 0) {
|
|
irq_phase = nsp_index_read(base, IRQPHASESENCE);
|
|
} else {
|
|
irq_phase = 0;
|
|
}
|
|
|
|
//nsp_dbg(NSP_DEBUG_INTR, "irq_phase=0x%x", irq_phase);
|
|
|
|
/*
|
|
* timer interrupt handler (scsi vs timer interrupts)
|
|
*/
|
|
//nsp_dbg(NSP_DEBUG_INTR, "timercount=%d", data->TimerCount);
|
|
if (data->TimerCount != 0) {
|
|
//nsp_dbg(NSP_DEBUG_INTR, "stop timer");
|
|
nsp_index_write(base, TIMERCOUNT, 0);
|
|
nsp_index_write(base, TIMERCOUNT, 0);
|
|
data->TimerCount = 0;
|
|
}
|
|
|
|
if ((irq_status & IRQSTATUS_MASK) == IRQSTATUS_TIMER &&
|
|
data->SelectionTimeOut == 0) {
|
|
//nsp_dbg(NSP_DEBUG_INTR, "timer start");
|
|
nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR | IRQCONTROL_FIFO_CLEAR);
|
|
|
|
if ((irq_status & IRQSTATUS_SCSI) &&
|
|
(irq_phase & SCSI_RESET_IRQ)) {
|
|
nsp_msg(KERN_ERR, "bus reset (power off?)");
|
|
|
|
nsphw_init(data);
|
|
nsp_bus_reset(data);
|
|
|
|
if(data->CurrentSC != NULL) {
|
|
tmpSC = data->CurrentSC;
|
|
tmpSC->result = (DID_RESET << 16) |
|
|
((tmpSC->SCp.Message & 0xff) << 8) |
|
|
((tmpSC->SCp.Status & 0xff) << 0);
|
|
nsp_scsi_done(tmpSC);
|
|
}
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
if (data->CurrentSC == NULL) {
|
|
nsp_msg(KERN_ERR, "CurrentSC==NULL irq_status=0x%x phase=0x%x irq_phase=0x%x this can't be happen. reset everything", irq_status, phase, irq_phase);
|
|
nsphw_init(data);
|
|
nsp_bus_reset(data);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
tmpSC = data->CurrentSC;
|
|
target = tmpSC->device->id;
|
|
lun = tmpSC->device->lun;
|
|
sync_neg = &(data->Sync[target].SyncNegotiation);
|
|
|
|
/*
|
|
* parse hardware SCSI irq reasons register
|
|
*/
|
|
if (irq_status & IRQSTATUS_SCSI) {
|
|
if (irq_phase & RESELECT_IRQ) {
|
|
nsp_dbg(NSP_DEBUG_INTR, "reselect");
|
|
nsp_write(base, IRQCONTROL, IRQCONTROL_RESELECT_CLEAR);
|
|
if (nsp_reselected(tmpSC) != FALSE) {
|
|
return IRQ_HANDLED;
|
|
}
|
|
}
|
|
|
|
if ((irq_phase & (PHASE_CHANGE_IRQ | LATCHED_BUS_FREE)) == 0) {
|
|
return IRQ_HANDLED;
|
|
}
|
|
}
|
|
|
|
//show_phase(tmpSC);
|
|
|
|
switch(tmpSC->SCp.phase) {
|
|
case PH_SELSTART:
|
|
// *sync_neg = SYNC_NOT_YET;
|
|
if ((phase & BUSMON_BSY) == 0) {
|
|
//nsp_dbg(NSP_DEBUG_INTR, "selection count=%d", data->SelectionTimeOut);
|
|
if (data->SelectionTimeOut >= NSP_SELTIMEOUT) {
|
|
nsp_dbg(NSP_DEBUG_INTR, "selection time out");
|
|
data->SelectionTimeOut = 0;
|
|
nsp_index_write(base, SCSIBUSCTRL, 0);
|
|
|
|
tmpSC->result = DID_TIME_OUT << 16;
|
|
nsp_scsi_done(tmpSC);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
data->SelectionTimeOut += 1;
|
|
nsp_start_timer(tmpSC, 1000/51);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/* attention assert */
|
|
//nsp_dbg(NSP_DEBUG_INTR, "attention assert");
|
|
data->SelectionTimeOut = 0;
|
|
tmpSC->SCp.phase = PH_SELECTED;
|
|
nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN);
|
|
udelay(1);
|
|
nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN | AUTODIRECTION | ACKENB);
|
|
return IRQ_HANDLED;
|
|
|
|
break;
|
|
|
|
case PH_RESELECT:
|
|
//nsp_dbg(NSP_DEBUG_INTR, "phase reselect");
|
|
// *sync_neg = SYNC_NOT_YET;
|
|
if ((phase & BUSMON_PHASE_MASK) != BUSPHASE_MESSAGE_IN) {
|
|
|
|
tmpSC->result = DID_ABORT << 16;
|
|
nsp_scsi_done(tmpSC);
|
|
return IRQ_HANDLED;
|
|
}
|
|
/* fall thru */
|
|
default:
|
|
if ((irq_status & (IRQSTATUS_SCSI | IRQSTATUS_FIFO)) == 0) {
|
|
return IRQ_HANDLED;
|
|
}
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* SCSI sequencer
|
|
*/
|
|
//nsp_dbg(NSP_DEBUG_INTR, "start scsi seq");
|
|
|
|
/* normal disconnect */
|
|
if (((tmpSC->SCp.phase == PH_MSG_IN) || (tmpSC->SCp.phase == PH_MSG_OUT)) &&
|
|
(irq_phase & LATCHED_BUS_FREE) != 0 ) {
|
|
nsp_dbg(NSP_DEBUG_INTR, "normal disconnect irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase);
|
|
|
|
//*sync_neg = SYNC_NOT_YET;
|
|
|
|
if ((tmpSC->SCp.Message == MSG_COMMAND_COMPLETE)) { /* all command complete and return status */
|
|
tmpSC->result = (DID_OK << 16) |
|
|
((tmpSC->SCp.Message & 0xff) << 8) |
|
|
((tmpSC->SCp.Status & 0xff) << 0);
|
|
nsp_dbg(NSP_DEBUG_INTR, "command complete result=0x%x", tmpSC->result);
|
|
nsp_scsi_done(tmpSC);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
|
|
/* check unexpected bus free state */
|
|
if (phase == 0) {
|
|
nsp_msg(KERN_DEBUG, "unexpected bus free. irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase);
|
|
|
|
*sync_neg = SYNC_NG;
|
|
tmpSC->result = DID_ERROR << 16;
|
|
nsp_scsi_done(tmpSC);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
switch (phase & BUSMON_PHASE_MASK) {
|
|
case BUSPHASE_COMMAND:
|
|
nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_COMMAND");
|
|
if ((phase & BUSMON_REQ) == 0) {
|
|
nsp_dbg(NSP_DEBUG_INTR, "REQ == 0");
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
tmpSC->SCp.phase = PH_COMMAND;
|
|
|
|
nsp_nexus(tmpSC);
|
|
|
|
/* write scsi command */
|
|
nsp_dbg(NSP_DEBUG_INTR, "cmd_len=%d", tmpSC->cmd_len);
|
|
nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER);
|
|
for (i = 0; i < tmpSC->cmd_len; i++) {
|
|
nsp_index_write(base, COMMANDDATA, tmpSC->cmnd[i]);
|
|
}
|
|
nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER | AUTO_COMMAND_GO);
|
|
break;
|
|
|
|
case BUSPHASE_DATA_OUT:
|
|
nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_OUT");
|
|
|
|
tmpSC->SCp.phase = PH_DATA;
|
|
tmpSC->SCp.have_data_in = IO_OUT;
|
|
|
|
nsp_pio_write(tmpSC);
|
|
|
|
break;
|
|
|
|
case BUSPHASE_DATA_IN:
|
|
nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_IN");
|
|
|
|
tmpSC->SCp.phase = PH_DATA;
|
|
tmpSC->SCp.have_data_in = IO_IN;
|
|
|
|
nsp_pio_read(tmpSC);
|
|
|
|
break;
|
|
|
|
case BUSPHASE_STATUS:
|
|
nsp_dataphase_bypass(tmpSC);
|
|
nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_STATUS");
|
|
|
|
tmpSC->SCp.phase = PH_STATUS;
|
|
|
|
tmpSC->SCp.Status = nsp_index_read(base, SCSIDATAWITHACK);
|
|
nsp_dbg(NSP_DEBUG_INTR, "message=0x%x status=0x%x", tmpSC->SCp.Message, tmpSC->SCp.Status);
|
|
|
|
break;
|
|
|
|
case BUSPHASE_MESSAGE_OUT:
|
|
nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_OUT");
|
|
if ((phase & BUSMON_REQ) == 0) {
|
|
goto timer_out;
|
|
}
|
|
|
|
tmpSC->SCp.phase = PH_MSG_OUT;
|
|
|
|
//*sync_neg = SYNC_NOT_YET;
|
|
|
|
data->MsgLen = i = 0;
|
|
data->MsgBuffer[i] = IDENTIFY(TRUE, lun); i++;
|
|
|
|
if (*sync_neg == SYNC_NOT_YET) {
|
|
data->Sync[target].SyncPeriod = 0;
|
|
data->Sync[target].SyncOffset = 0;
|
|
|
|
/**/
|
|
data->MsgBuffer[i] = MSG_EXTENDED; i++;
|
|
data->MsgBuffer[i] = 3; i++;
|
|
data->MsgBuffer[i] = MSG_EXT_SDTR; i++;
|
|
data->MsgBuffer[i] = 0x0c; i++;
|
|
data->MsgBuffer[i] = 15; i++;
|
|
/**/
|
|
}
|
|
data->MsgLen = i;
|
|
|
|
nsp_analyze_sdtr(tmpSC);
|
|
show_message(data);
|
|
nsp_message_out(tmpSC);
|
|
break;
|
|
|
|
case BUSPHASE_MESSAGE_IN:
|
|
nsp_dataphase_bypass(tmpSC);
|
|
nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_IN");
|
|
if ((phase & BUSMON_REQ) == 0) {
|
|
goto timer_out;
|
|
}
|
|
|
|
tmpSC->SCp.phase = PH_MSG_IN;
|
|
nsp_message_in(tmpSC);
|
|
|
|
/**/
|
|
if (*sync_neg == SYNC_NOT_YET) {
|
|
//nsp_dbg(NSP_DEBUG_INTR, "sync target=%d,lun=%d",target,lun);
|
|
|
|
if (data->MsgLen >= 5 &&
|
|
data->MsgBuffer[0] == MSG_EXTENDED &&
|
|
data->MsgBuffer[1] == 3 &&
|
|
data->MsgBuffer[2] == MSG_EXT_SDTR ) {
|
|
data->Sync[target].SyncPeriod = data->MsgBuffer[3];
|
|
data->Sync[target].SyncOffset = data->MsgBuffer[4];
|
|
//nsp_dbg(NSP_DEBUG_INTR, "sync ok, %d %d", data->MsgBuffer[3], data->MsgBuffer[4]);
|
|
*sync_neg = SYNC_OK;
|
|
} else {
|
|
data->Sync[target].SyncPeriod = 0;
|
|
data->Sync[target].SyncOffset = 0;
|
|
*sync_neg = SYNC_NG;
|
|
}
|
|
nsp_analyze_sdtr(tmpSC);
|
|
}
|
|
/**/
|
|
|
|
/* search last messeage byte */
|
|
tmp = -1;
|
|
for (i = 0; i < data->MsgLen; i++) {
|
|
tmp = data->MsgBuffer[i];
|
|
if (data->MsgBuffer[i] == MSG_EXTENDED) {
|
|
i += (1 + data->MsgBuffer[i+1]);
|
|
}
|
|
}
|
|
tmpSC->SCp.Message = tmp;
|
|
|
|
nsp_dbg(NSP_DEBUG_INTR, "message=0x%x len=%d", tmpSC->SCp.Message, data->MsgLen);
|
|
show_message(data);
|
|
|
|
break;
|
|
|
|
case BUSPHASE_SELECT:
|
|
default:
|
|
nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE other");
|
|
|
|
break;
|
|
}
|
|
|
|
//nsp_dbg(NSP_DEBUG_INTR, "out");
|
|
return IRQ_HANDLED;
|
|
|
|
timer_out:
|
|
nsp_start_timer(tmpSC, 1000/102);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
#ifdef NSP_DEBUG
|
|
#include "nsp_debug.c"
|
|
#endif /* NSP_DEBUG */
|
|
|
|
/*----------------------------------------------------------------*/
|
|
/* look for ninja3 card and init if found */
|
|
/*----------------------------------------------------------------*/
|
|
static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht)
|
|
{
|
|
struct Scsi_Host *host; /* registered host structure */
|
|
nsp_hw_data *data_b = &nsp_data_base, *data;
|
|
|
|
nsp_dbg(NSP_DEBUG_INIT, "this_id=%d", sht->this_id);
|
|
host = scsi_host_alloc(&nsp_driver_template, sizeof(nsp_hw_data));
|
|
if (host == NULL) {
|
|
nsp_dbg(NSP_DEBUG_INIT, "host failed");
|
|
return NULL;
|
|
}
|
|
|
|
memcpy(host->hostdata, data_b, sizeof(nsp_hw_data));
|
|
data = (nsp_hw_data *)host->hostdata;
|
|
data->ScsiInfo->host = host;
|
|
#ifdef NSP_DEBUG
|
|
data->CmdId = 0;
|
|
#endif
|
|
|
|
nsp_dbg(NSP_DEBUG_INIT, "irq=%d,%d", data_b->IrqNumber, ((nsp_hw_data *)host->hostdata)->IrqNumber);
|
|
|
|
host->unique_id = data->BaseAddress;
|
|
host->io_port = data->BaseAddress;
|
|
host->n_io_port = data->NumAddress;
|
|
host->irq = data->IrqNumber;
|
|
host->base = data->MmioAddress;
|
|
|
|
spin_lock_init(&(data->Lock));
|
|
|
|
snprintf(data->nspinfo,
|
|
sizeof(data->nspinfo),
|
|
"NinjaSCSI-3/32Bi Driver $Revision: 1.23 $ IO:0x%04lx-0x%04lx MMIO(virt addr):0x%04lx IRQ:%02d",
|
|
host->io_port, host->io_port + host->n_io_port - 1,
|
|
host->base,
|
|
host->irq);
|
|
sht->name = data->nspinfo;
|
|
|
|
nsp_dbg(NSP_DEBUG_INIT, "end");
|
|
|
|
|
|
return host; /* detect done. */
|
|
}
|
|
|
|
/*----------------------------------------------------------------*/
|
|
/* return info string */
|
|
/*----------------------------------------------------------------*/
|
|
static const char *nsp_info(struct Scsi_Host *shpnt)
|
|
{
|
|
nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata;
|
|
|
|
return data->nspinfo;
|
|
}
|
|
|
|
#undef SPRINTF
|
|
#define SPRINTF(args...) \
|
|
do { \
|
|
if(length > (pos - buffer)) { \
|
|
pos += snprintf(pos, length - (pos - buffer) + 1, ## args); \
|
|
nsp_dbg(NSP_DEBUG_PROC, "buffer=0x%p pos=0x%p length=%d %d\n", buffer, pos, length, length - (pos - buffer));\
|
|
} \
|
|
} while(0)
|
|
|
|
static int nsp_proc_info(struct Scsi_Host *host, char *buffer, char **start,
|
|
off_t offset, int length, int inout)
|
|
{
|
|
int id;
|
|
char *pos = buffer;
|
|
int thislength;
|
|
int speed;
|
|
unsigned long flags;
|
|
nsp_hw_data *data;
|
|
int hostno;
|
|
|
|
if (inout) {
|
|
return -EINVAL;
|
|
}
|
|
|
|
hostno = host->host_no;
|
|
data = (nsp_hw_data *)host->hostdata;
|
|
|
|
|
|
SPRINTF("NinjaSCSI status\n\n");
|
|
SPRINTF("Driver version: $Revision: 1.23 $\n");
|
|
SPRINTF("SCSI host No.: %d\n", hostno);
|
|
SPRINTF("IRQ: %d\n", host->irq);
|
|
SPRINTF("IO: 0x%lx-0x%lx\n", host->io_port, host->io_port + host->n_io_port - 1);
|
|
SPRINTF("MMIO(virtual address): 0x%lx-0x%lx\n", host->base, host->base + data->MmioLength - 1);
|
|
SPRINTF("sg_tablesize: %d\n", host->sg_tablesize);
|
|
|
|
SPRINTF("burst transfer mode: ");
|
|
switch (nsp_burst_mode) {
|
|
case BURST_IO8:
|
|
SPRINTF("io8");
|
|
break;
|
|
case BURST_IO32:
|
|
SPRINTF("io32");
|
|
break;
|
|
case BURST_MEM32:
|
|
SPRINTF("mem32");
|
|
break;
|
|
default:
|
|
SPRINTF("???");
|
|
break;
|
|
}
|
|
SPRINTF("\n");
|
|
|
|
|
|
spin_lock_irqsave(&(data->Lock), flags);
|
|
SPRINTF("CurrentSC: 0x%p\n\n", data->CurrentSC);
|
|
spin_unlock_irqrestore(&(data->Lock), flags);
|
|
|
|
SPRINTF("SDTR status\n");
|
|
for(id = 0; id < ARRAY_SIZE(data->Sync); id++) {
|
|
|
|
SPRINTF("id %d: ", id);
|
|
|
|
if (id == host->this_id) {
|
|
SPRINTF("----- NinjaSCSI-3 host adapter\n");
|
|
continue;
|
|
}
|
|
|
|
switch(data->Sync[id].SyncNegotiation) {
|
|
case SYNC_OK:
|
|
SPRINTF(" sync");
|
|
break;
|
|
case SYNC_NG:
|
|
SPRINTF("async");
|
|
break;
|
|
case SYNC_NOT_YET:
|
|
SPRINTF(" none");
|
|
break;
|
|
default:
|
|
SPRINTF("?????");
|
|
break;
|
|
}
|
|
|
|
if (data->Sync[id].SyncPeriod != 0) {
|
|
speed = 1000000 / (data->Sync[id].SyncPeriod * 4);
|
|
|
|
SPRINTF(" transfer %d.%dMB/s, offset %d",
|
|
speed / 1000,
|
|
speed % 1000,
|
|
data->Sync[id].SyncOffset
|
|
);
|
|
}
|
|
SPRINTF("\n");
|
|
}
|
|
|
|
thislength = pos - (buffer + offset);
|
|
|
|
if(thislength < 0) {
|
|
*start = NULL;
|
|
return 0;
|
|
}
|
|
|
|
|
|
thislength = min(thislength, length);
|
|
*start = buffer + offset;
|
|
|
|
return thislength;
|
|
}
|
|
#undef SPRINTF
|
|
|
|
/*---------------------------------------------------------------*/
|
|
/* error handler */
|
|
/*---------------------------------------------------------------*/
|
|
|
|
/*
|
|
static int nsp_eh_abort(struct scsi_cmnd *SCpnt)
|
|
{
|
|
nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt);
|
|
|
|
return nsp_eh_bus_reset(SCpnt);
|
|
}*/
|
|
|
|
static int nsp_bus_reset(nsp_hw_data *data)
|
|
{
|
|
unsigned int base = data->BaseAddress;
|
|
int i;
|
|
|
|
nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK);
|
|
|
|
nsp_index_write(base, SCSIBUSCTRL, SCSI_RST);
|
|
mdelay(100); /* 100ms */
|
|
nsp_index_write(base, SCSIBUSCTRL, 0);
|
|
for(i = 0; i < 5; i++) {
|
|
nsp_index_read(base, IRQPHASESENCE); /* dummy read */
|
|
}
|
|
|
|
nsphw_init_sync(data);
|
|
|
|
nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR);
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
static int nsp_eh_bus_reset(struct scsi_cmnd *SCpnt)
|
|
{
|
|
nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
|
|
|
|
nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt);
|
|
|
|
return nsp_bus_reset(data);
|
|
}
|
|
|
|
static int nsp_eh_host_reset(struct scsi_cmnd *SCpnt)
|
|
{
|
|
nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
|
|
|
|
nsp_dbg(NSP_DEBUG_BUSRESET, "in");
|
|
|
|
nsphw_init(data);
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
PCMCIA functions
|
|
**********************************************************************/
|
|
|
|
/*======================================================================
|
|
nsp_cs_attach() creates an "instance" of the driver, allocating
|
|
local data structures for one device. The device is registered
|
|
with Card Services.
|
|
|
|
The dev_link structure is initialized, but we don't actually
|
|
configure the card at this point -- we wait until we receive a
|
|
card insertion event.
|
|
======================================================================*/
|
|
static int nsp_cs_probe(struct pcmcia_device *link)
|
|
{
|
|
scsi_info_t *info;
|
|
nsp_hw_data *data = &nsp_data_base;
|
|
int ret;
|
|
|
|
nsp_dbg(NSP_DEBUG_INIT, "in");
|
|
|
|
/* Create new SCSI device */
|
|
info = kzalloc(sizeof(*info), GFP_KERNEL);
|
|
if (info == NULL) { return -ENOMEM; }
|
|
info->p_dev = link;
|
|
link->priv = info;
|
|
data->ScsiInfo = info;
|
|
|
|
nsp_dbg(NSP_DEBUG_INIT, "info=0x%p", info);
|
|
|
|
/* The io structure describes IO port mapping */
|
|
link->io.NumPorts1 = 0x10;
|
|
link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
|
|
link->io.IOAddrLines = 10; /* not used */
|
|
|
|
/* Interrupt setup */
|
|
link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
|
|
link->irq.IRQInfo1 = IRQ_LEVEL_ID;
|
|
|
|
/* Interrupt handler */
|
|
link->irq.Handler = &nspintr;
|
|
link->irq.Instance = info;
|
|
link->irq.Attributes |= IRQF_SHARED;
|
|
|
|
/* General socket configuration */
|
|
link->conf.Attributes = CONF_ENABLE_IRQ;
|
|
link->conf.IntType = INT_MEMORY_AND_IO;
|
|
|
|
ret = nsp_cs_config(link);
|
|
|
|
nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link);
|
|
return ret;
|
|
} /* nsp_cs_attach */
|
|
|
|
|
|
/*======================================================================
|
|
This deletes a driver "instance". The device is de-registered
|
|
with Card Services. If it has been released, all local data
|
|
structures are freed. Otherwise, the structures will be freed
|
|
when the device is released.
|
|
======================================================================*/
|
|
static void nsp_cs_detach(struct pcmcia_device *link)
|
|
{
|
|
nsp_dbg(NSP_DEBUG_INIT, "in, link=0x%p", link);
|
|
|
|
((scsi_info_t *)link->priv)->stop = 1;
|
|
nsp_cs_release(link);
|
|
|
|
kfree(link->priv);
|
|
link->priv = NULL;
|
|
} /* nsp_cs_detach */
|
|
|
|
|
|
/*======================================================================
|
|
nsp_cs_config() is scheduled to run after a CARD_INSERTION event
|
|
is received, to configure the PCMCIA socket, and to make the
|
|
ethernet device available to the system.
|
|
======================================================================*/
|
|
|
|
struct nsp_cs_configdata {
|
|
nsp_hw_data *data;
|
|
win_req_t req;
|
|
};
|
|
|
|
static int nsp_cs_config_check(struct pcmcia_device *p_dev,
|
|
cistpl_cftable_entry_t *cfg,
|
|
cistpl_cftable_entry_t *dflt,
|
|
unsigned int vcc,
|
|
void *priv_data)
|
|
{
|
|
struct nsp_cs_configdata *cfg_mem = priv_data;
|
|
|
|
if (cfg->index == 0)
|
|
return -ENODEV;
|
|
|
|
/* Does this card need audio output? */
|
|
if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
|
|
p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
|
|
p_dev->conf.Status = CCSR_AUDIO_ENA;
|
|
}
|
|
|
|
/* Use power settings for Vcc and Vpp if present */
|
|
/* Note that the CIS values need to be rescaled */
|
|
if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) {
|
|
if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000)
|
|
return -ENODEV;
|
|
else if (dflt->vcc.present & (1<<CISTPL_POWER_VNOM)) {
|
|
if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM]/10000)
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) {
|
|
p_dev->conf.Vpp =
|
|
cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
|
|
} else if (dflt->vpp1.present & (1 << CISTPL_POWER_VNOM)) {
|
|
p_dev->conf.Vpp =
|
|
dflt->vpp1.param[CISTPL_POWER_VNOM] / 10000;
|
|
}
|
|
|
|
/* Do we need to allocate an interrupt? */
|
|
if (cfg->irq.IRQInfo1 || dflt->irq.IRQInfo1)
|
|
p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
|
|
|
|
/* IO window settings */
|
|
p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
|
|
if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
|
|
cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
|
|
p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
|
|
if (!(io->flags & CISTPL_IO_8BIT))
|
|
p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
|
|
if (!(io->flags & CISTPL_IO_16BIT))
|
|
p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
|
|
p_dev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
|
|
p_dev->io.BasePort1 = io->win[0].base;
|
|
p_dev->io.NumPorts1 = io->win[0].len;
|
|
if (io->nwin > 1) {
|
|
p_dev->io.Attributes2 = p_dev->io.Attributes1;
|
|
p_dev->io.BasePort2 = io->win[1].base;
|
|
p_dev->io.NumPorts2 = io->win[1].len;
|
|
}
|
|
/* This reserves IO space but doesn't actually enable it */
|
|
if (pcmcia_request_io(p_dev, &p_dev->io) != 0)
|
|
goto next_entry;
|
|
}
|
|
|
|
if ((cfg->mem.nwin > 0) || (dflt->mem.nwin > 0)) {
|
|
memreq_t map;
|
|
cistpl_mem_t *mem =
|
|
(cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
|
|
cfg_mem->req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
|
|
cfg_mem->req.Attributes |= WIN_ENABLE;
|
|
cfg_mem->req.Base = mem->win[0].host_addr;
|
|
cfg_mem->req.Size = mem->win[0].len;
|
|
if (cfg_mem->req.Size < 0x1000)
|
|
cfg_mem->req.Size = 0x1000;
|
|
cfg_mem->req.AccessSpeed = 0;
|
|
if (pcmcia_request_window(&p_dev, &cfg_mem->req, &p_dev->win) != 0)
|
|
goto next_entry;
|
|
map.Page = 0; map.CardOffset = mem->win[0].card_addr;
|
|
if (pcmcia_map_mem_page(p_dev->win, &map) != 0)
|
|
goto next_entry;
|
|
|
|
cfg_mem->data->MmioAddress = (unsigned long) ioremap_nocache(cfg_mem->req.Base, cfg_mem->req.Size);
|
|
cfg_mem->data->MmioLength = cfg_mem->req.Size;
|
|
}
|
|
/* If we got this far, we're cool! */
|
|
return 0;
|
|
}
|
|
|
|
next_entry:
|
|
nsp_dbg(NSP_DEBUG_INIT, "next");
|
|
pcmcia_disable_device(p_dev);
|
|
return -ENODEV;
|
|
}
|
|
|
|
static int nsp_cs_config(struct pcmcia_device *link)
|
|
{
|
|
int ret;
|
|
scsi_info_t *info = link->priv;
|
|
struct nsp_cs_configdata *cfg_mem;
|
|
struct Scsi_Host *host;
|
|
nsp_hw_data *data = &nsp_data_base;
|
|
|
|
nsp_dbg(NSP_DEBUG_INIT, "in");
|
|
|
|
cfg_mem = kzalloc(sizeof(cfg_mem), GFP_KERNEL);
|
|
if (!cfg_mem)
|
|
return -ENOMEM;
|
|
cfg_mem->data = data;
|
|
|
|
ret = pcmcia_loop_config(link, nsp_cs_config_check, cfg_mem);
|
|
goto cs_failed;
|
|
|
|
if (link->conf.Attributes & CONF_ENABLE_IRQ) {
|
|
if (pcmcia_request_irq(link, &link->irq))
|
|
goto cs_failed;
|
|
}
|
|
|
|
ret = pcmcia_request_configuration(link, &link->conf);
|
|
if (ret)
|
|
goto cs_failed;
|
|
|
|
if (free_ports) {
|
|
if (link->io.BasePort1) {
|
|
release_region(link->io.BasePort1, link->io.NumPorts1);
|
|
}
|
|
if (link->io.BasePort2) {
|
|
release_region(link->io.BasePort2, link->io.NumPorts2);
|
|
}
|
|
}
|
|
|
|
/* Set port and IRQ */
|
|
data->BaseAddress = link->io.BasePort1;
|
|
data->NumAddress = link->io.NumPorts1;
|
|
data->IrqNumber = link->irq.AssignedIRQ;
|
|
|
|
nsp_dbg(NSP_DEBUG_INIT, "I/O[0x%x+0x%x] IRQ %d",
|
|
data->BaseAddress, data->NumAddress, data->IrqNumber);
|
|
|
|
if(nsphw_init(data) == FALSE) {
|
|
goto cs_failed;
|
|
}
|
|
|
|
host = nsp_detect(&nsp_driver_template);
|
|
|
|
if (host == NULL) {
|
|
nsp_dbg(NSP_DEBUG_INIT, "detect failed");
|
|
goto cs_failed;
|
|
}
|
|
|
|
|
|
ret = scsi_add_host (host, NULL);
|
|
if (ret)
|
|
goto cs_failed;
|
|
|
|
scsi_scan_host(host);
|
|
|
|
snprintf(info->node.dev_name, sizeof(info->node.dev_name), "scsi%d", host->host_no);
|
|
link->dev_node = &info->node;
|
|
info->host = host;
|
|
|
|
/* Finally, report what we've done */
|
|
printk(KERN_INFO "nsp_cs: index 0x%02x: ",
|
|
link->conf.ConfigIndex);
|
|
if (link->conf.Vpp) {
|
|
printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10);
|
|
}
|
|
if (link->conf.Attributes & CONF_ENABLE_IRQ) {
|
|
printk(", irq %d", link->irq.AssignedIRQ);
|
|
}
|
|
if (link->io.NumPorts1) {
|
|
printk(", io 0x%04x-0x%04x", link->io.BasePort1,
|
|
link->io.BasePort1+link->io.NumPorts1-1);
|
|
}
|
|
if (link->io.NumPorts2)
|
|
printk(" & 0x%04x-0x%04x", link->io.BasePort2,
|
|
link->io.BasePort2+link->io.NumPorts2-1);
|
|
if (link->win)
|
|
printk(", mem 0x%06lx-0x%06lx", cfg_mem->req.Base,
|
|
cfg_mem->req.Base+cfg_mem->req.Size-1);
|
|
printk("\n");
|
|
|
|
kfree(cfg_mem);
|
|
return 0;
|
|
|
|
cs_failed:
|
|
nsp_dbg(NSP_DEBUG_INIT, "config fail");
|
|
nsp_cs_release(link);
|
|
kfree(cfg_mem);
|
|
|
|
return -ENODEV;
|
|
} /* nsp_cs_config */
|
|
|
|
|
|
/*======================================================================
|
|
After a card is removed, nsp_cs_release() will unregister the net
|
|
device, and release the PCMCIA configuration. If the device is
|
|
still open, this will be postponed until it is closed.
|
|
======================================================================*/
|
|
static void nsp_cs_release(struct pcmcia_device *link)
|
|
{
|
|
scsi_info_t *info = link->priv;
|
|
nsp_hw_data *data = NULL;
|
|
|
|
if (info->host == NULL) {
|
|
nsp_msg(KERN_DEBUG, "unexpected card release call.");
|
|
} else {
|
|
data = (nsp_hw_data *)info->host->hostdata;
|
|
}
|
|
|
|
nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link);
|
|
|
|
/* Unlink the device chain */
|
|
if (info->host != NULL) {
|
|
scsi_remove_host(info->host);
|
|
}
|
|
link->dev_node = NULL;
|
|
|
|
if (link->win) {
|
|
if (data != NULL) {
|
|
iounmap((void *)(data->MmioAddress));
|
|
}
|
|
}
|
|
pcmcia_disable_device(link);
|
|
|
|
if (info->host != NULL) {
|
|
scsi_host_put(info->host);
|
|
}
|
|
} /* nsp_cs_release */
|
|
|
|
static int nsp_cs_suspend(struct pcmcia_device *link)
|
|
{
|
|
scsi_info_t *info = link->priv;
|
|
nsp_hw_data *data;
|
|
|
|
nsp_dbg(NSP_DEBUG_INIT, "event: suspend");
|
|
|
|
if (info->host != NULL) {
|
|
nsp_msg(KERN_INFO, "clear SDTR status");
|
|
|
|
data = (nsp_hw_data *)info->host->hostdata;
|
|
|
|
nsphw_init_sync(data);
|
|
}
|
|
|
|
info->stop = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nsp_cs_resume(struct pcmcia_device *link)
|
|
{
|
|
scsi_info_t *info = link->priv;
|
|
nsp_hw_data *data;
|
|
|
|
nsp_dbg(NSP_DEBUG_INIT, "event: resume");
|
|
|
|
info->stop = 0;
|
|
|
|
if (info->host != NULL) {
|
|
nsp_msg(KERN_INFO, "reset host and bus");
|
|
|
|
data = (nsp_hw_data *)info->host->hostdata;
|
|
|
|
nsphw_init (data);
|
|
nsp_bus_reset(data);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*======================================================================*
|
|
* module entry point
|
|
*====================================================================*/
|
|
static struct pcmcia_device_id nsp_cs_ids[] = {
|
|
PCMCIA_DEVICE_PROD_ID123("IO DATA", "CBSC16 ", "1", 0x547e66dc, 0x0d63a3fd, 0x51de003a),
|
|
PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-001", "1", 0x534c02bc, 0x52008408, 0x51de003a),
|
|
PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-002", "1", 0x534c02bc, 0xcb09d5b2, 0x51de003a),
|
|
PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-003", "1", 0x534c02bc, 0xbc0ee524, 0x51de003a),
|
|
PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-004", "1", 0x534c02bc, 0x226a7087, 0x51de003a),
|
|
PCMCIA_DEVICE_PROD_ID123("WBT", "NinjaSCSI-3", "R1.0", 0xc7ba805f, 0xfdc7c97d, 0x6973710e),
|
|
PCMCIA_DEVICE_PROD_ID123("WORKBIT", "UltraNinja-16", "1", 0x28191418, 0xb70f4b09, 0x51de003a),
|
|
PCMCIA_DEVICE_NULL
|
|
};
|
|
MODULE_DEVICE_TABLE(pcmcia, nsp_cs_ids);
|
|
|
|
static struct pcmcia_driver nsp_driver = {
|
|
.owner = THIS_MODULE,
|
|
.drv = {
|
|
.name = "nsp_cs",
|
|
},
|
|
.probe = nsp_cs_probe,
|
|
.remove = nsp_cs_detach,
|
|
.id_table = nsp_cs_ids,
|
|
.suspend = nsp_cs_suspend,
|
|
.resume = nsp_cs_resume,
|
|
};
|
|
|
|
static int __init nsp_cs_init(void)
|
|
{
|
|
nsp_msg(KERN_INFO, "loading...");
|
|
|
|
return pcmcia_register_driver(&nsp_driver);
|
|
}
|
|
|
|
static void __exit nsp_cs_exit(void)
|
|
{
|
|
nsp_msg(KERN_INFO, "unloading...");
|
|
pcmcia_unregister_driver(&nsp_driver);
|
|
}
|
|
|
|
|
|
module_init(nsp_cs_init)
|
|
module_exit(nsp_cs_exit)
|
|
|
|
/* end */
|