1c20163d30
In the drivers that no longer need it, it is removed. It is removed from the Makefile. Drivers not fully converted to dynamic debug have it shifted down into the individual drivers. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
445 lines
12 KiB
C
445 lines
12 KiB
C
/*
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* Macros and prototypes for i.MX21
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*
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* Copyright (C) 2006 Loping Dog Embedded Systems
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* Copyright (C) 2009 Martin Fuzzey
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* Originally written by Jay Monkman <jtm@lopingdog.com>
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* Ported to 2.6.30, debugged and enhanced by Martin Fuzzey
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __LINUX_IMX21_HCD_H__
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#define __LINUX_IMX21_HCD_H__
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#ifdef CONFIG_DYNAMIC_DEBUG
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#define DEBUG
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#endif
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#include <linux/platform_data/usb-mx2.h>
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#define NUM_ISO_ETDS 2
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#define USB_NUM_ETD 32
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#define DMEM_SIZE 4096
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/* Register definitions */
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#define USBOTG_HWMODE 0x00
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#define USBOTG_HWMODE_ANASDBEN (1 << 14)
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#define USBOTG_HWMODE_OTGXCVR_SHIFT 6
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#define USBOTG_HWMODE_OTGXCVR_MASK (3 << 6)
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#define USBOTG_HWMODE_OTGXCVR_TD_RD (0 << 6)
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#define USBOTG_HWMODE_OTGXCVR_TS_RD (2 << 6)
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#define USBOTG_HWMODE_OTGXCVR_TD_RS (1 << 6)
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#define USBOTG_HWMODE_OTGXCVR_TS_RS (3 << 6)
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#define USBOTG_HWMODE_HOSTXCVR_SHIFT 4
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#define USBOTG_HWMODE_HOSTXCVR_MASK (3 << 4)
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#define USBOTG_HWMODE_HOSTXCVR_TD_RD (0 << 4)
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#define USBOTG_HWMODE_HOSTXCVR_TS_RD (2 << 4)
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#define USBOTG_HWMODE_HOSTXCVR_TD_RS (1 << 4)
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#define USBOTG_HWMODE_HOSTXCVR_TS_RS (3 << 4)
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#define USBOTG_HWMODE_CRECFG_MASK (3 << 0)
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#define USBOTG_HWMODE_CRECFG_HOST (1 << 0)
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#define USBOTG_HWMODE_CRECFG_FUNC (2 << 0)
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#define USBOTG_HWMODE_CRECFG_HNP (3 << 0)
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#define USBOTG_CINT_STAT 0x04
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#define USBOTG_CINT_STEN 0x08
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#define USBOTG_ASHNPINT (1 << 5)
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#define USBOTG_ASFCINT (1 << 4)
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#define USBOTG_ASHCINT (1 << 3)
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#define USBOTG_SHNPINT (1 << 2)
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#define USBOTG_FCINT (1 << 1)
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#define USBOTG_HCINT (1 << 0)
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#define USBOTG_CLK_CTRL 0x0c
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#define USBOTG_CLK_CTRL_FUNC (1 << 2)
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#define USBOTG_CLK_CTRL_HST (1 << 1)
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#define USBOTG_CLK_CTRL_MAIN (1 << 0)
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#define USBOTG_RST_CTRL 0x10
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#define USBOTG_RST_RSTI2C (1 << 15)
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#define USBOTG_RST_RSTCTRL (1 << 5)
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#define USBOTG_RST_RSTFC (1 << 4)
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#define USBOTG_RST_RSTFSKE (1 << 3)
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#define USBOTG_RST_RSTRH (1 << 2)
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#define USBOTG_RST_RSTHSIE (1 << 1)
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#define USBOTG_RST_RSTHC (1 << 0)
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#define USBOTG_FRM_INTVL 0x14
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#define USBOTG_FRM_REMAIN 0x18
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#define USBOTG_HNP_CSR 0x1c
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#define USBOTG_HNP_ISR 0x2c
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#define USBOTG_HNP_IEN 0x30
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#define USBOTG_I2C_TXCVR_REG(x) (0x100 + (x))
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#define USBOTG_I2C_XCVR_DEVAD 0x118
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#define USBOTG_I2C_SEQ_OP_REG 0x119
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#define USBOTG_I2C_SEQ_RD_STARTAD 0x11a
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#define USBOTG_I2C_OP_CTRL_REG 0x11b
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#define USBOTG_I2C_SCLK_TO_SCK_HPER 0x11e
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#define USBOTG_I2C_MASTER_INT_REG 0x11f
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#define USBH_HOST_CTRL 0x80
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#define USBH_HOST_CTRL_HCRESET (1 << 31)
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#define USBH_HOST_CTRL_SCHDOVR(x) ((x) << 16)
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#define USBH_HOST_CTRL_RMTWUEN (1 << 4)
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#define USBH_HOST_CTRL_HCUSBSTE_RESET (0 << 2)
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#define USBH_HOST_CTRL_HCUSBSTE_RESUME (1 << 2)
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#define USBH_HOST_CTRL_HCUSBSTE_OPERATIONAL (2 << 2)
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#define USBH_HOST_CTRL_HCUSBSTE_SUSPEND (3 << 2)
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#define USBH_HOST_CTRL_CTLBLKSR_1 (0 << 0)
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#define USBH_HOST_CTRL_CTLBLKSR_2 (1 << 0)
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#define USBH_HOST_CTRL_CTLBLKSR_3 (2 << 0)
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#define USBH_HOST_CTRL_CTLBLKSR_4 (3 << 0)
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#define USBH_SYSISR 0x88
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#define USBH_SYSISR_PSCINT (1 << 6)
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#define USBH_SYSISR_FMOFINT (1 << 5)
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#define USBH_SYSISR_HERRINT (1 << 4)
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#define USBH_SYSISR_RESDETINT (1 << 3)
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#define USBH_SYSISR_SOFINT (1 << 2)
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#define USBH_SYSISR_DONEINT (1 << 1)
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#define USBH_SYSISR_SORINT (1 << 0)
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#define USBH_SYSIEN 0x8c
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#define USBH_SYSIEN_PSCINT (1 << 6)
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#define USBH_SYSIEN_FMOFINT (1 << 5)
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#define USBH_SYSIEN_HERRINT (1 << 4)
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#define USBH_SYSIEN_RESDETINT (1 << 3)
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#define USBH_SYSIEN_SOFINT (1 << 2)
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#define USBH_SYSIEN_DONEINT (1 << 1)
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#define USBH_SYSIEN_SORINT (1 << 0)
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#define USBH_XBUFSTAT 0x98
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#define USBH_YBUFSTAT 0x9c
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#define USBH_XYINTEN 0xa0
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#define USBH_XFILLSTAT 0xa8
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#define USBH_YFILLSTAT 0xac
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#define USBH_ETDENSET 0xc0
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#define USBH_ETDENCLR 0xc4
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#define USBH_IMMEDINT 0xcc
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#define USBH_ETDDONESTAT 0xd0
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#define USBH_ETDDONEEN 0xd4
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#define USBH_FRMNUB 0xe0
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#define USBH_LSTHRESH 0xe4
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#define USBH_ROOTHUBA 0xe8
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#define USBH_ROOTHUBA_PWRTOGOOD_MASK (0xff)
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#define USBH_ROOTHUBA_PWRTOGOOD_SHIFT (24)
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#define USBH_ROOTHUBA_NOOVRCURP (1 << 12)
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#define USBH_ROOTHUBA_OVRCURPM (1 << 11)
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#define USBH_ROOTHUBA_DEVTYPE (1 << 10)
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#define USBH_ROOTHUBA_PWRSWTMD (1 << 9)
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#define USBH_ROOTHUBA_NOPWRSWT (1 << 8)
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#define USBH_ROOTHUBA_NDNSTMPRT_MASK (0xff)
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#define USBH_ROOTHUBB 0xec
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#define USBH_ROOTHUBB_PRTPWRCM(x) (1 << ((x) + 16))
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#define USBH_ROOTHUBB_DEVREMOVE(x) (1 << (x))
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#define USBH_ROOTSTAT 0xf0
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#define USBH_ROOTSTAT_CLRRMTWUE (1 << 31)
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#define USBH_ROOTSTAT_OVRCURCHG (1 << 17)
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#define USBH_ROOTSTAT_DEVCONWUE (1 << 15)
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#define USBH_ROOTSTAT_OVRCURI (1 << 1)
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#define USBH_ROOTSTAT_LOCPWRS (1 << 0)
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#define USBH_PORTSTAT(x) (0xf4 + ((x) * 4))
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#define USBH_PORTSTAT_PRTRSTSC (1 << 20)
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#define USBH_PORTSTAT_OVRCURIC (1 << 19)
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#define USBH_PORTSTAT_PRTSTATSC (1 << 18)
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#define USBH_PORTSTAT_PRTENBLSC (1 << 17)
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#define USBH_PORTSTAT_CONNECTSC (1 << 16)
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#define USBH_PORTSTAT_LSDEVCON (1 << 9)
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#define USBH_PORTSTAT_PRTPWRST (1 << 8)
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#define USBH_PORTSTAT_PRTRSTST (1 << 4)
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#define USBH_PORTSTAT_PRTOVRCURI (1 << 3)
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#define USBH_PORTSTAT_PRTSUSPST (1 << 2)
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#define USBH_PORTSTAT_PRTENABST (1 << 1)
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#define USBH_PORTSTAT_CURCONST (1 << 0)
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#define USB_DMAREV 0x800
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#define USB_DMAINTSTAT 0x804
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#define USB_DMAINTSTAT_EPERR (1 << 1)
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#define USB_DMAINTSTAT_ETDERR (1 << 0)
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#define USB_DMAINTEN 0x808
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#define USB_DMAINTEN_EPERRINTEN (1 << 1)
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#define USB_DMAINTEN_ETDERRINTEN (1 << 0)
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#define USB_ETDDMAERSTAT 0x80c
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#define USB_EPDMAERSTAT 0x810
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#define USB_ETDDMAEN 0x820
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#define USB_EPDMAEN 0x824
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#define USB_ETDDMAXTEN 0x828
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#define USB_EPDMAXTEN 0x82c
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#define USB_ETDDMAENXYT 0x830
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#define USB_EPDMAENXYT 0x834
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#define USB_ETDDMABST4EN 0x838
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#define USB_EPDMABST4EN 0x83c
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#define USB_MISCCONTROL 0x840
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#define USB_MISCCONTROL_ISOPREVFRM (1 << 3)
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#define USB_MISCCONTROL_SKPRTRY (1 << 2)
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#define USB_MISCCONTROL_ARBMODE (1 << 1)
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#define USB_MISCCONTROL_FILTCC (1 << 0)
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#define USB_ETDDMACHANLCLR 0x848
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#define USB_EPDMACHANLCLR 0x84c
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#define USB_ETDSMSA(x) (0x900 + ((x) * 4))
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#define USB_EPSMSA(x) (0x980 + ((x) * 4))
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#define USB_ETDDMABUFPTR(x) (0xa00 + ((x) * 4))
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#define USB_EPDMABUFPTR(x) (0xa80 + ((x) * 4))
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#define USB_ETD_DWORD(x, w) (0x200 + ((x) * 16) + ((w) * 4))
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#define DW0_ADDRESS 0
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#define DW0_ENDPNT 7
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#define DW0_DIRECT 11
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#define DW0_SPEED 13
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#define DW0_FORMAT 14
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#define DW0_MAXPKTSIZ 16
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#define DW0_HALTED 27
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#define DW0_TOGCRY 28
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#define DW0_SNDNAK 30
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#define DW1_XBUFSRTAD 0
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#define DW1_YBUFSRTAD 16
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#define DW2_RTRYDELAY 0
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#define DW2_POLINTERV 0
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#define DW2_STARTFRM 0
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#define DW2_RELPOLPOS 8
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#define DW2_DIRPID 16
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#define DW2_BUFROUND 18
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#define DW2_DELAYINT 19
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#define DW2_DATATOG 22
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#define DW2_ERRORCNT 24
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#define DW2_COMPCODE 28
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#define DW3_TOTBYECNT 0
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#define DW3_PKTLEN0 0
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#define DW3_COMPCODE0 12
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#define DW3_PKTLEN1 16
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#define DW3_BUFSIZE 21
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#define DW3_COMPCODE1 28
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#define USBCTRL 0x600
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#define USBCTRL_I2C_WU_INT_STAT (1 << 27)
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#define USBCTRL_OTG_WU_INT_STAT (1 << 26)
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#define USBCTRL_HOST_WU_INT_STAT (1 << 25)
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#define USBCTRL_FNT_WU_INT_STAT (1 << 24)
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#define USBCTRL_I2C_WU_INT_EN (1 << 19)
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#define USBCTRL_OTG_WU_INT_EN (1 << 18)
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#define USBCTRL_HOST_WU_INT_EN (1 << 17)
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#define USBCTRL_FNT_WU_INT_EN (1 << 16)
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#define USBCTRL_OTC_RCV_RXDP (1 << 13)
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#define USBCTRL_HOST1_BYP_TLL (1 << 12)
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#define USBCTRL_OTG_BYP_VAL(x) ((x) << 10)
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#define USBCTRL_HOST1_BYP_VAL(x) ((x) << 8)
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#define USBCTRL_OTG_PWR_MASK (1 << 6)
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#define USBCTRL_HOST1_PWR_MASK (1 << 5)
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#define USBCTRL_HOST2_PWR_MASK (1 << 4)
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#define USBCTRL_USB_BYP (1 << 2)
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#define USBCTRL_HOST1_TXEN_OE (1 << 1)
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#define USBOTG_DMEM 0x1000
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/* Values in TD blocks */
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#define TD_DIR_SETUP 0
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#define TD_DIR_OUT 1
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#define TD_DIR_IN 2
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#define TD_FORMAT_CONTROL 0
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#define TD_FORMAT_ISO 1
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#define TD_FORMAT_BULK 2
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#define TD_FORMAT_INT 3
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#define TD_TOGGLE_CARRY 0
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#define TD_TOGGLE_DATA0 2
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#define TD_TOGGLE_DATA1 3
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/* control transfer states */
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#define US_CTRL_SETUP 2
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#define US_CTRL_DATA 1
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#define US_CTRL_ACK 0
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/* bulk transfer main state and 0-length packet */
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#define US_BULK 1
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#define US_BULK0 0
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/*ETD format description*/
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#define IMX_FMT_CTRL 0x0
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#define IMX_FMT_ISO 0x1
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#define IMX_FMT_BULK 0x2
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#define IMX_FMT_INT 0x3
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static char fmt_urb_to_etd[4] = {
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/*PIPE_ISOCHRONOUS*/ IMX_FMT_ISO,
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/*PIPE_INTERRUPT*/ IMX_FMT_INT,
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/*PIPE_CONTROL*/ IMX_FMT_CTRL,
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/*PIPE_BULK*/ IMX_FMT_BULK
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};
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/* condition (error) CC codes and mapping (OHCI like) */
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#define TD_CC_NOERROR 0x00
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#define TD_CC_CRC 0x01
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#define TD_CC_BITSTUFFING 0x02
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#define TD_CC_DATATOGGLEM 0x03
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#define TD_CC_STALL 0x04
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#define TD_DEVNOTRESP 0x05
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#define TD_PIDCHECKFAIL 0x06
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/*#define TD_UNEXPECTEDPID 0x07 - reserved, not active on MX2*/
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#define TD_DATAOVERRUN 0x08
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#define TD_DATAUNDERRUN 0x09
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#define TD_BUFFEROVERRUN 0x0C
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#define TD_BUFFERUNDERRUN 0x0D
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#define TD_SCHEDULEOVERRUN 0x0E
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#define TD_NOTACCESSED 0x0F
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static const int cc_to_error[16] = {
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/* No Error */ 0,
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/* CRC Error */ -EILSEQ,
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/* Bit Stuff */ -EPROTO,
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/* Data Togg */ -EILSEQ,
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/* Stall */ -EPIPE,
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/* DevNotResp */ -ETIMEDOUT,
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/* PIDCheck */ -EPROTO,
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/* UnExpPID */ -EPROTO,
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/* DataOver */ -EOVERFLOW,
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/* DataUnder */ -EREMOTEIO,
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/* (for hw) */ -EIO,
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/* (for hw) */ -EIO,
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/* BufferOver */ -ECOMM,
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/* BuffUnder */ -ENOSR,
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/* (for HCD) */ -ENOSPC,
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/* (for HCD) */ -EALREADY
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};
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/* HCD data associated with a usb core URB */
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struct urb_priv {
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struct urb *urb;
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struct usb_host_endpoint *ep;
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int active;
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int state;
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struct td *isoc_td;
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int isoc_remaining;
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int isoc_status;
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};
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/* HCD data associated with a usb core endpoint */
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struct ep_priv {
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struct usb_host_endpoint *ep;
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struct list_head td_list;
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struct list_head queue;
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int etd[NUM_ISO_ETDS];
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int waiting_etd;
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};
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/* isoc packet */
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struct td {
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struct list_head list;
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struct urb *urb;
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struct usb_host_endpoint *ep;
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dma_addr_t dma_handle;
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void *cpu_buffer;
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int len;
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int frame;
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int isoc_index;
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};
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/* HCD data associated with a hardware ETD */
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struct etd_priv {
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struct usb_host_endpoint *ep;
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struct urb *urb;
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struct td *td;
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struct list_head queue;
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dma_addr_t dma_handle;
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void *cpu_buffer;
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void *bounce_buffer;
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int alloc;
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int len;
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int dmem_size;
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int dmem_offset;
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int active_count;
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#ifdef DEBUG
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int activated_frame;
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int disactivated_frame;
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int last_int_frame;
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int last_req_frame;
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u32 submitted_dwords[4];
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#endif
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};
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/* Hardware data memory info */
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struct imx21_dmem_area {
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struct usb_host_endpoint *ep;
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unsigned int offset;
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unsigned int size;
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struct list_head list;
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};
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#ifdef DEBUG
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struct debug_usage_stats {
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unsigned int value;
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unsigned int maximum;
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};
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struct debug_stats {
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unsigned long submitted;
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unsigned long completed_ok;
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unsigned long completed_failed;
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unsigned long unlinked;
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unsigned long queue_etd;
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unsigned long queue_dmem;
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};
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struct debug_isoc_trace {
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int schedule_frame;
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int submit_frame;
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int request_len;
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int done_frame;
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int done_len;
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int cc;
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struct td *td;
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};
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#endif
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/* HCD data structure */
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struct imx21 {
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spinlock_t lock;
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struct device *dev;
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struct usb_hcd *hcd;
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struct mx21_usbh_platform_data *pdata;
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struct list_head dmem_list;
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struct list_head queue_for_etd; /* eps queued due to etd shortage */
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struct list_head queue_for_dmem; /* etds queued due to dmem shortage */
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struct etd_priv etd[USB_NUM_ETD];
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struct clk *clk;
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void __iomem *regs;
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#ifdef DEBUG
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struct dentry *debug_root;
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struct debug_stats nonisoc_stats;
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struct debug_stats isoc_stats;
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struct debug_usage_stats etd_usage;
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struct debug_usage_stats dmem_usage;
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struct debug_isoc_trace isoc_trace[20];
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struct debug_isoc_trace isoc_trace_failed[20];
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unsigned long debug_unblocks;
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int isoc_trace_index;
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int isoc_trace_index_failed;
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#endif
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};
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#endif
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