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On x86, make allmodconfig && make W=1 C=1 reports: WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/scsi_common.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/advansys.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/BusLogic.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/aha1740.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/isci/isci.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/elx/efct.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/atp870u.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/ppa.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/scsi/imm.o Add all missing invocations of the MODULE_DESCRIPTION() macro. This updates all files which have a MODULE_LICENSE() but which do not have a MODULE_DESCRIPTION(), even ones which did not produce the x86 allmodconfig warnings. Acked-by: Finn Thain <fthain@linux-m68k.org> Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Link: https://lore.kernel.org/r/20240610-md-drivers-scsi-v3-1-055da78d66b2@quicinc.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2383 lines
59 KiB
C
2383 lines
59 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 1997 Wu Ching Chen
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* 2.1.x update (C) 1998 Krzysztof G. Baranowski
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* 2.5.x update (C) 2002 Red Hat
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* 2.6.x update (C) 2004 Red Hat
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*
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* Marcelo Tosatti <marcelo@conectiva.com.br> : SMP fixes
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*
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* Wu Ching Chen : NULL pointer fixes 2000/06/02
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* support atp876 chip
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* enable 32 bit fifo transfer
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* support cdrom & remove device run ultra speed
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* fix disconnect bug 2000/12/21
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* support atp880 chip lvd u160 2001/05/15
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* fix prd table bug 2001/09/12 (7.1)
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*
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* atp885 support add by ACARD Hao Ping Lian 2005/01/05
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/string.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <linux/proc_fs.h>
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#include <linux/spinlock.h>
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#include <linux/pci.h>
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#include <linux/blkdev.h>
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#include <linux/dma-mapping.h>
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#include <linux/slab.h>
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#include <asm/io.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_cmnd.h>
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#include <scsi/scsi_device.h>
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#include <scsi/scsi_host.h>
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#include "atp870u.h"
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static const struct scsi_host_template atp870u_template;
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static void send_s870(struct atp_unit *dev,unsigned char c);
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static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip,
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unsigned char lvdmode);
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static inline void atp_writeb_base(struct atp_unit *atp, u8 reg, u8 val)
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{
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outb(val, atp->baseport + reg);
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}
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static inline void atp_writew_base(struct atp_unit *atp, u8 reg, u16 val)
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{
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outw(val, atp->baseport + reg);
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}
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static inline void atp_writeb_io(struct atp_unit *atp, u8 channel, u8 reg, u8 val)
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{
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outb(val, atp->ioport[channel] + reg);
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}
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static inline void atp_writew_io(struct atp_unit *atp, u8 channel, u8 reg, u16 val)
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{
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outw(val, atp->ioport[channel] + reg);
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}
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static inline void atp_writeb_pci(struct atp_unit *atp, u8 channel, u8 reg, u8 val)
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{
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outb(val, atp->pciport[channel] + reg);
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}
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static inline void atp_writel_pci(struct atp_unit *atp, u8 channel, u8 reg, u32 val)
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{
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outl(val, atp->pciport[channel] + reg);
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}
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static inline u8 atp_readb_base(struct atp_unit *atp, u8 reg)
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{
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return inb(atp->baseport + reg);
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}
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static inline u16 atp_readw_base(struct atp_unit *atp, u8 reg)
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{
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return inw(atp->baseport + reg);
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}
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static inline u32 atp_readl_base(struct atp_unit *atp, u8 reg)
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{
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return inl(atp->baseport + reg);
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}
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static inline u8 atp_readb_io(struct atp_unit *atp, u8 channel, u8 reg)
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{
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return inb(atp->ioport[channel] + reg);
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}
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static inline u16 atp_readw_io(struct atp_unit *atp, u8 channel, u8 reg)
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{
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return inw(atp->ioport[channel] + reg);
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}
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static inline u8 atp_readb_pci(struct atp_unit *atp, u8 channel, u8 reg)
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{
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return inb(atp->pciport[channel] + reg);
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}
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static inline bool is880(struct atp_unit *atp)
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{
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return atp->pdev->device == ATP880_DEVID1 ||
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atp->pdev->device == ATP880_DEVID2;
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}
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static inline bool is885(struct atp_unit *atp)
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{
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return atp->pdev->device == ATP885_DEVID;
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}
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static irqreturn_t atp870u_intr_handle(int irq, void *dev_id)
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{
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unsigned long flags;
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unsigned short int id;
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unsigned char i, j, c, target_id, lun,cmdp;
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unsigned char *prd;
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struct scsi_cmnd *workreq;
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unsigned long adrcnt, k;
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#ifdef ED_DBGP
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unsigned long l;
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#endif
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struct Scsi_Host *host = dev_id;
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struct atp_unit *dev = (struct atp_unit *)&host->hostdata;
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for (c = 0; c < 2; c++) {
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j = atp_readb_io(dev, c, 0x1f);
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if ((j & 0x80) != 0)
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break;
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dev->in_int[c] = 0;
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}
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if ((j & 0x80) == 0)
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return IRQ_NONE;
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#ifdef ED_DBGP
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printk("atp870u_intr_handle enter\n");
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#endif
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dev->in_int[c] = 1;
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cmdp = atp_readb_io(dev, c, 0x10);
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if (dev->working[c] != 0) {
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if (is885(dev)) {
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if ((atp_readb_io(dev, c, 0x16) & 0x80) == 0)
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atp_writeb_io(dev, c, 0x16,
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(atp_readb_io(dev, c, 0x16) | 0x80));
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}
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if ((atp_readb_pci(dev, c, 0x00) & 0x08) != 0)
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{
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for (k=0; k < 1000; k++) {
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if ((atp_readb_pci(dev, c, 2) & 0x08) == 0)
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break;
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if ((atp_readb_pci(dev, c, 2) & 0x01) == 0)
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break;
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}
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}
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atp_writeb_pci(dev, c, 0, 0x00);
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i = atp_readb_io(dev, c, 0x17);
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if (is885(dev))
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atp_writeb_pci(dev, c, 2, 0x06);
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target_id = atp_readb_io(dev, c, 0x15);
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/*
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* Remap wide devices onto id numbers
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*/
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if ((target_id & 0x40) != 0) {
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target_id = (target_id & 0x07) | 0x08;
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} else {
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target_id &= 0x07;
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}
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if ((j & 0x40) != 0) {
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if (dev->last_cmd[c] == 0xff) {
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dev->last_cmd[c] = target_id;
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}
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dev->last_cmd[c] |= 0x40;
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}
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if (is885(dev))
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dev->r1f[c][target_id] |= j;
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#ifdef ED_DBGP
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printk("atp870u_intr_handle status = %x\n",i);
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#endif
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if (i == 0x85) {
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if ((dev->last_cmd[c] & 0xf0) != 0x40) {
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dev->last_cmd[c] = 0xff;
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}
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if (is885(dev)) {
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adrcnt = 0;
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((unsigned char *) &adrcnt)[2] =
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atp_readb_io(dev, c, 0x12);
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((unsigned char *) &adrcnt)[1] =
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atp_readb_io(dev, c, 0x13);
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((unsigned char *) &adrcnt)[0] =
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atp_readb_io(dev, c, 0x14);
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if (dev->id[c][target_id].last_len != adrcnt) {
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k = dev->id[c][target_id].last_len;
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k -= adrcnt;
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dev->id[c][target_id].tran_len = k;
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dev->id[c][target_id].last_len = adrcnt;
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}
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#ifdef ED_DBGP
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printk("dev->id[c][target_id].last_len = %d "
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"dev->id[c][target_id].tran_len = %d\n",
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dev->id[c][target_id].last_len,
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dev->id[c][target_id].tran_len);
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#endif
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}
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/*
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* Flip wide
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*/
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if (dev->wide_id[c] != 0) {
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atp_writeb_io(dev, c, 0x1b, 0x01);
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while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01)
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atp_writeb_io(dev, c, 0x1b, 0x01);
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}
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/*
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* Issue more commands
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*/
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spin_lock_irqsave(dev->host->host_lock, flags);
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if (((dev->quhd[c] != dev->quend[c]) ||
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(dev->last_cmd[c] != 0xff)) &&
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(dev->in_snd[c] == 0)) {
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#ifdef ED_DBGP
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printk("Call sent_s870\n");
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#endif
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send_s870(dev,c);
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}
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spin_unlock_irqrestore(dev->host->host_lock, flags);
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/*
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* Done
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*/
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dev->in_int[c] = 0;
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#ifdef ED_DBGP
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printk("Status 0x85 return\n");
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#endif
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return IRQ_HANDLED;
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}
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if (i == 0x40) {
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dev->last_cmd[c] |= 0x40;
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dev->in_int[c] = 0;
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return IRQ_HANDLED;
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}
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if (i == 0x21) {
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if ((dev->last_cmd[c] & 0xf0) != 0x40) {
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dev->last_cmd[c] = 0xff;
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}
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adrcnt = 0;
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((unsigned char *) &adrcnt)[2] =
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atp_readb_io(dev, c, 0x12);
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((unsigned char *) &adrcnt)[1] =
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atp_readb_io(dev, c, 0x13);
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((unsigned char *) &adrcnt)[0] =
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atp_readb_io(dev, c, 0x14);
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k = dev->id[c][target_id].last_len;
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k -= adrcnt;
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dev->id[c][target_id].tran_len = k;
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dev->id[c][target_id].last_len = adrcnt;
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atp_writeb_io(dev, c, 0x10, 0x41);
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atp_writeb_io(dev, c, 0x18, 0x08);
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dev->in_int[c] = 0;
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return IRQ_HANDLED;
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}
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if (is885(dev)) {
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if ((i == 0x4c) || (i == 0x4d) || (i == 0x8c) || (i == 0x8d)) {
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if ((i == 0x4c) || (i == 0x8c))
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i=0x48;
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else
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i=0x49;
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}
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}
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if ((i == 0x80) || (i == 0x8f)) {
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#ifdef ED_DBGP
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printk(KERN_DEBUG "Device reselect\n");
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#endif
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lun = 0;
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if (cmdp == 0x44 || i == 0x80)
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lun = atp_readb_io(dev, c, 0x1d) & 0x07;
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else {
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if ((dev->last_cmd[c] & 0xf0) != 0x40) {
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dev->last_cmd[c] = 0xff;
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}
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if (cmdp == 0x41) {
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#ifdef ED_DBGP
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printk("cmdp = 0x41\n");
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#endif
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adrcnt = 0;
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((unsigned char *) &adrcnt)[2] =
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atp_readb_io(dev, c, 0x12);
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((unsigned char *) &adrcnt)[1] =
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atp_readb_io(dev, c, 0x13);
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((unsigned char *) &adrcnt)[0] =
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atp_readb_io(dev, c, 0x14);
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k = dev->id[c][target_id].last_len;
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k -= adrcnt;
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dev->id[c][target_id].tran_len = k;
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dev->id[c][target_id].last_len = adrcnt;
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atp_writeb_io(dev, c, 0x18, 0x08);
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dev->in_int[c] = 0;
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return IRQ_HANDLED;
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} else {
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#ifdef ED_DBGP
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printk("cmdp != 0x41\n");
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#endif
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atp_writeb_io(dev, c, 0x10, 0x46);
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dev->id[c][target_id].dirct = 0x00;
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atp_writeb_io(dev, c, 0x12, 0x00);
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atp_writeb_io(dev, c, 0x13, 0x00);
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atp_writeb_io(dev, c, 0x14, 0x00);
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atp_writeb_io(dev, c, 0x18, 0x08);
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dev->in_int[c] = 0;
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return IRQ_HANDLED;
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}
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}
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if (dev->last_cmd[c] != 0xff) {
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dev->last_cmd[c] |= 0x40;
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}
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if (is885(dev)) {
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j = atp_readb_base(dev, 0x29) & 0xfe;
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atp_writeb_base(dev, 0x29, j);
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} else
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atp_writeb_io(dev, c, 0x10, 0x45);
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target_id = atp_readb_io(dev, c, 0x16);
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/*
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* Remap wide identifiers
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*/
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if ((target_id & 0x10) != 0) {
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target_id = (target_id & 0x07) | 0x08;
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} else {
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target_id &= 0x07;
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}
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if (is885(dev))
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atp_writeb_io(dev, c, 0x10, 0x45);
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workreq = dev->id[c][target_id].curr_req;
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#ifdef ED_DBGP
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scmd_printk(KERN_DEBUG, workreq, "CDB");
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for (l = 0; l < workreq->cmd_len; l++)
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printk(KERN_DEBUG " %x",workreq->cmnd[l]);
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printk("\n");
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#endif
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atp_writeb_io(dev, c, 0x0f, lun);
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atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp);
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adrcnt = dev->id[c][target_id].tran_len;
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k = dev->id[c][target_id].last_len;
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atp_writeb_io(dev, c, 0x12, ((unsigned char *) &k)[2]);
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atp_writeb_io(dev, c, 0x13, ((unsigned char *) &k)[1]);
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atp_writeb_io(dev, c, 0x14, ((unsigned char *) &k)[0]);
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#ifdef ED_DBGP
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printk("k %x, k[0] 0x%x k[1] 0x%x k[2] 0x%x\n", k,
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atp_readb_io(dev, c, 0x14),
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atp_readb_io(dev, c, 0x13),
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atp_readb_io(dev, c, 0x12));
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#endif
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/* Remap wide */
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j = target_id;
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if (target_id > 7) {
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j = (j & 0x07) | 0x40;
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}
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/* Add direction */
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j |= dev->id[c][target_id].dirct;
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atp_writeb_io(dev, c, 0x15, j);
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atp_writeb_io(dev, c, 0x16, 0x80);
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/* enable 32 bit fifo transfer */
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if (is885(dev)) {
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i = atp_readb_pci(dev, c, 1) & 0xf3;
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//j=workreq->cmnd[0];
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if ((workreq->cmnd[0] == READ_6) ||
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(workreq->cmnd[0] == READ_10) ||
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(workreq->cmnd[0] == WRITE_6) ||
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(workreq->cmnd[0] == WRITE_10)) {
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i |= 0x0c;
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}
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atp_writeb_pci(dev, c, 1, i);
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} else if (is880(dev)) {
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if ((workreq->cmnd[0] == READ_6) ||
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(workreq->cmnd[0] == READ_10) ||
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(workreq->cmnd[0] == WRITE_6) ||
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(workreq->cmnd[0] == WRITE_10))
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atp_writeb_base(dev, 0x3b,
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(atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0);
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else
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atp_writeb_base(dev, 0x3b,
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atp_readb_base(dev, 0x3b) & 0x3f);
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} else {
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if ((workreq->cmnd[0] == READ_6) ||
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(workreq->cmnd[0] == READ_10) ||
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(workreq->cmnd[0] == WRITE_6) ||
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(workreq->cmnd[0] == WRITE_10))
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atp_writeb_base(dev, 0x3a,
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(atp_readb_base(dev, 0x3a) & 0xf3) | 0x08);
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else
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atp_writeb_base(dev, 0x3a,
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atp_readb_base(dev, 0x3a) & 0xf3);
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}
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j = 0;
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id = 1;
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id = id << target_id;
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/*
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* Is this a wide device
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*/
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if ((id & dev->wide_id[c]) != 0) {
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j |= 0x01;
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}
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atp_writeb_io(dev, c, 0x1b, j);
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while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j)
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atp_writeb_io(dev, c, 0x1b, j);
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if (dev->id[c][target_id].last_len == 0) {
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atp_writeb_io(dev, c, 0x18, 0x08);
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dev->in_int[c] = 0;
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#ifdef ED_DBGP
|
|
printk("dev->id[c][target_id].last_len = 0\n");
|
|
#endif
|
|
return IRQ_HANDLED;
|
|
}
|
|
#ifdef ED_DBGP
|
|
printk("target_id = %d adrcnt = %d\n",target_id,adrcnt);
|
|
#endif
|
|
prd = dev->id[c][target_id].prd_pos;
|
|
while (adrcnt != 0) {
|
|
id = ((unsigned short int *)prd)[2];
|
|
if (id == 0) {
|
|
k = 0x10000;
|
|
} else {
|
|
k = id;
|
|
}
|
|
if (k > adrcnt) {
|
|
((unsigned short int *)prd)[2] =
|
|
(unsigned short int)(k - adrcnt);
|
|
((unsigned long *)prd)[0] += adrcnt;
|
|
adrcnt = 0;
|
|
dev->id[c][target_id].prd_pos = prd;
|
|
} else {
|
|
adrcnt -= k;
|
|
dev->id[c][target_id].prdaddr += 0x08;
|
|
prd += 0x08;
|
|
if (adrcnt == 0) {
|
|
dev->id[c][target_id].prd_pos = prd;
|
|
}
|
|
}
|
|
}
|
|
atp_writel_pci(dev, c, 0x04, dev->id[c][target_id].prdaddr);
|
|
#ifdef ED_DBGP
|
|
printk("dev->id[%d][%d].prdaddr 0x%8x\n",
|
|
c, target_id, dev->id[c][target_id].prdaddr);
|
|
#endif
|
|
if (!is885(dev)) {
|
|
atp_writeb_pci(dev, c, 2, 0x06);
|
|
atp_writeb_pci(dev, c, 2, 0x00);
|
|
}
|
|
/*
|
|
* Check transfer direction
|
|
*/
|
|
if (dev->id[c][target_id].dirct != 0) {
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
atp_writeb_pci(dev, c, 0, 0x01);
|
|
dev->in_int[c] = 0;
|
|
#ifdef ED_DBGP
|
|
printk("status 0x80 return dirct != 0\n");
|
|
#endif
|
|
return IRQ_HANDLED;
|
|
}
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
atp_writeb_pci(dev, c, 0, 0x09);
|
|
dev->in_int[c] = 0;
|
|
#ifdef ED_DBGP
|
|
printk("status 0x80 return dirct = 0\n");
|
|
#endif
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/*
|
|
* Current scsi request on this target
|
|
*/
|
|
|
|
workreq = dev->id[c][target_id].curr_req;
|
|
|
|
if (i == 0x42 || i == 0x16) {
|
|
if ((dev->last_cmd[c] & 0xf0) != 0x40) {
|
|
dev->last_cmd[c] = 0xff;
|
|
}
|
|
if (i == 0x16) {
|
|
workreq->result = atp_readb_io(dev, c, 0x0f);
|
|
if (((dev->r1f[c][target_id] & 0x10) != 0) && is885(dev)) {
|
|
printk(KERN_WARNING "AEC67162 CRC ERROR !\n");
|
|
workreq->result = SAM_STAT_CHECK_CONDITION;
|
|
}
|
|
} else
|
|
workreq->result = SAM_STAT_CHECK_CONDITION;
|
|
|
|
if (is885(dev)) {
|
|
j = atp_readb_base(dev, 0x29) | 0x01;
|
|
atp_writeb_base(dev, 0x29, j);
|
|
}
|
|
/*
|
|
* Complete the command
|
|
*/
|
|
scsi_dma_unmap(workreq);
|
|
|
|
spin_lock_irqsave(dev->host->host_lock, flags);
|
|
scsi_done(workreq);
|
|
#ifdef ED_DBGP
|
|
printk("workreq->scsi_done\n");
|
|
#endif
|
|
/*
|
|
* Clear it off the queue
|
|
*/
|
|
dev->id[c][target_id].curr_req = NULL;
|
|
dev->working[c]--;
|
|
spin_unlock_irqrestore(dev->host->host_lock, flags);
|
|
/*
|
|
* Take it back wide
|
|
*/
|
|
if (dev->wide_id[c] != 0) {
|
|
atp_writeb_io(dev, c, 0x1b, 0x01);
|
|
while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01)
|
|
atp_writeb_io(dev, c, 0x1b, 0x01);
|
|
}
|
|
/*
|
|
* If there is stuff to send and nothing going then send it
|
|
*/
|
|
spin_lock_irqsave(dev->host->host_lock, flags);
|
|
if (((dev->last_cmd[c] != 0xff) ||
|
|
(dev->quhd[c] != dev->quend[c])) &&
|
|
(dev->in_snd[c] == 0)) {
|
|
#ifdef ED_DBGP
|
|
printk("Call sent_s870(scsi_done)\n");
|
|
#endif
|
|
send_s870(dev,c);
|
|
}
|
|
spin_unlock_irqrestore(dev->host->host_lock, flags);
|
|
dev->in_int[c] = 0;
|
|
return IRQ_HANDLED;
|
|
}
|
|
if ((dev->last_cmd[c] & 0xf0) != 0x40) {
|
|
dev->last_cmd[c] = 0xff;
|
|
}
|
|
if (i == 0x4f) {
|
|
i = 0x89;
|
|
}
|
|
i &= 0x0f;
|
|
if (i == 0x09) {
|
|
atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr);
|
|
atp_writeb_pci(dev, c, 2, 0x06);
|
|
atp_writeb_pci(dev, c, 2, 0x00);
|
|
atp_writeb_io(dev, c, 0x10, 0x41);
|
|
if (is885(dev)) {
|
|
k = dev->id[c][target_id].last_len;
|
|
atp_writeb_io(dev, c, 0x12,
|
|
((unsigned char *) (&k))[2]);
|
|
atp_writeb_io(dev, c, 0x13,
|
|
((unsigned char *) (&k))[1]);
|
|
atp_writeb_io(dev, c, 0x14,
|
|
((unsigned char *) (&k))[0]);
|
|
dev->id[c][target_id].dirct = 0x00;
|
|
} else {
|
|
dev->id[c][target_id].dirct = 0x00;
|
|
}
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
atp_writeb_pci(dev, c, 0, 0x09);
|
|
dev->in_int[c] = 0;
|
|
return IRQ_HANDLED;
|
|
}
|
|
if (i == 0x08) {
|
|
atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr);
|
|
atp_writeb_pci(dev, c, 2, 0x06);
|
|
atp_writeb_pci(dev, c, 2, 0x00);
|
|
atp_writeb_io(dev, c, 0x10, 0x41);
|
|
if (is885(dev)) {
|
|
k = dev->id[c][target_id].last_len;
|
|
atp_writeb_io(dev, c, 0x12,
|
|
((unsigned char *) (&k))[2]);
|
|
atp_writeb_io(dev, c, 0x13,
|
|
((unsigned char *) (&k))[1]);
|
|
atp_writeb_io(dev, c, 0x14,
|
|
((unsigned char *) (&k))[0]);
|
|
}
|
|
atp_writeb_io(dev, c, 0x15,
|
|
atp_readb_io(dev, c, 0x15) | 0x20);
|
|
dev->id[c][target_id].dirct = 0x20;
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
atp_writeb_pci(dev, c, 0, 0x01);
|
|
dev->in_int[c] = 0;
|
|
return IRQ_HANDLED;
|
|
}
|
|
if (i == 0x0a)
|
|
atp_writeb_io(dev, c, 0x10, 0x30);
|
|
else
|
|
atp_writeb_io(dev, c, 0x10, 0x46);
|
|
dev->id[c][target_id].dirct = 0x00;
|
|
atp_writeb_io(dev, c, 0x12, 0x00);
|
|
atp_writeb_io(dev, c, 0x13, 0x00);
|
|
atp_writeb_io(dev, c, 0x14, 0x00);
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
}
|
|
dev->in_int[c] = 0;
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
/**
|
|
* atp870u_queuecommand_lck - Queue SCSI command
|
|
* @req_p: request block
|
|
*
|
|
* Queue a command to the ATP queue. Called with the host lock held.
|
|
*/
|
|
static int atp870u_queuecommand_lck(struct scsi_cmnd *req_p)
|
|
{
|
|
void (*done)(struct scsi_cmnd *) = scsi_done;
|
|
unsigned char c;
|
|
unsigned int m;
|
|
struct atp_unit *dev;
|
|
struct Scsi_Host *host;
|
|
|
|
c = scmd_channel(req_p);
|
|
req_p->sense_buffer[0]=0;
|
|
scsi_set_resid(req_p, 0);
|
|
if (scmd_channel(req_p) > 1) {
|
|
req_p->result = DID_BAD_TARGET << 16;
|
|
done(req_p);
|
|
#ifdef ED_DBGP
|
|
printk("atp870u_queuecommand : req_p->device->channel > 1\n");
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
host = req_p->device->host;
|
|
dev = (struct atp_unit *)&host->hostdata;
|
|
|
|
m = 1;
|
|
m = m << scmd_id(req_p);
|
|
|
|
/*
|
|
* Fake a timeout for missing targets
|
|
*/
|
|
|
|
if ((m & dev->active_id[c]) == 0) {
|
|
req_p->result = DID_BAD_TARGET << 16;
|
|
done(req_p);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Count new command
|
|
*/
|
|
dev->quend[c]++;
|
|
if (dev->quend[c] >= qcnt) {
|
|
dev->quend[c] = 0;
|
|
}
|
|
|
|
/*
|
|
* Check queue state
|
|
*/
|
|
if (dev->quhd[c] == dev->quend[c]) {
|
|
if (dev->quend[c] == 0) {
|
|
dev->quend[c] = qcnt;
|
|
}
|
|
#ifdef ED_DBGP
|
|
printk("atp870u_queuecommand : dev->quhd[c] == dev->quend[c]\n");
|
|
#endif
|
|
dev->quend[c]--;
|
|
req_p->result = DID_BUS_BUSY << 16;
|
|
done(req_p);
|
|
return 0;
|
|
}
|
|
dev->quereq[c][dev->quend[c]] = req_p;
|
|
#ifdef ED_DBGP
|
|
printk("dev->ioport[c] = %x atp_readb_io(dev, c, 0x1c) = %x "
|
|
"dev->in_int[%d] = %d dev->in_snd[%d] = %d\n",
|
|
dev->ioport[c], atp_readb_io(dev, c, 0x1c), c,
|
|
dev->in_int[c],c,dev->in_snd[c]);
|
|
#endif
|
|
if ((atp_readb_io(dev, c, 0x1c) == 0) &&
|
|
(dev->in_int[c] == 0) &&
|
|
(dev->in_snd[c] == 0)) {
|
|
#ifdef ED_DBGP
|
|
printk("Call sent_s870(atp870u_queuecommand)\n");
|
|
#endif
|
|
send_s870(dev,c);
|
|
}
|
|
#ifdef ED_DBGP
|
|
printk("atp870u_queuecommand : exit\n");
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static DEF_SCSI_QCMD(atp870u_queuecommand)
|
|
|
|
/*
|
|
* send_s870 - send a command to the controller
|
|
*
|
|
* On entry there is work queued to be done. We move some of that work to the
|
|
* controller itself.
|
|
*
|
|
* Caller holds the host lock.
|
|
*/
|
|
static void send_s870(struct atp_unit *dev, unsigned char c)
|
|
{
|
|
struct scsi_cmnd *workreq = NULL;
|
|
unsigned int i;//,k;
|
|
unsigned char j, target_id;
|
|
unsigned char *prd;
|
|
unsigned short int w;
|
|
unsigned long l, bttl = 0;
|
|
unsigned long sg_count;
|
|
|
|
if (dev->in_snd[c] != 0) {
|
|
#ifdef ED_DBGP
|
|
printk("cmnd in_snd\n");
|
|
#endif
|
|
return;
|
|
}
|
|
#ifdef ED_DBGP
|
|
printk("Sent_s870 enter\n");
|
|
#endif
|
|
dev->in_snd[c] = 1;
|
|
if ((dev->last_cmd[c] != 0xff) && ((dev->last_cmd[c] & 0x40) != 0)) {
|
|
dev->last_cmd[c] &= 0x0f;
|
|
workreq = dev->id[c][dev->last_cmd[c]].curr_req;
|
|
if (!workreq) {
|
|
dev->last_cmd[c] = 0xff;
|
|
if (dev->quhd[c] == dev->quend[c]) {
|
|
dev->in_snd[c] = 0;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
if (!workreq) {
|
|
if ((dev->last_cmd[c] != 0xff) && (dev->working[c] != 0)) {
|
|
dev->in_snd[c] = 0;
|
|
return;
|
|
}
|
|
dev->working[c]++;
|
|
j = dev->quhd[c];
|
|
dev->quhd[c]++;
|
|
if (dev->quhd[c] >= qcnt)
|
|
dev->quhd[c] = 0;
|
|
workreq = dev->quereq[c][dev->quhd[c]];
|
|
if (dev->id[c][scmd_id(workreq)].curr_req != NULL) {
|
|
dev->quhd[c] = j;
|
|
dev->working[c]--;
|
|
dev->in_snd[c] = 0;
|
|
return;
|
|
}
|
|
dev->id[c][scmd_id(workreq)].curr_req = workreq;
|
|
dev->last_cmd[c] = scmd_id(workreq);
|
|
}
|
|
if ((atp_readb_io(dev, c, 0x1f) & 0xb0) != 0 ||
|
|
atp_readb_io(dev, c, 0x1c) != 0) {
|
|
#ifdef ED_DBGP
|
|
printk("Abort to Send\n");
|
|
#endif
|
|
dev->last_cmd[c] |= 0x40;
|
|
dev->in_snd[c] = 0;
|
|
return;
|
|
}
|
|
#ifdef ED_DBGP
|
|
printk("OK to Send\n");
|
|
scmd_printk(KERN_DEBUG, workreq, "CDB");
|
|
for(i=0;i<workreq->cmd_len;i++) {
|
|
printk(" %x",workreq->cmnd[i]);
|
|
}
|
|
printk("\n");
|
|
#endif
|
|
l = scsi_bufflen(workreq);
|
|
|
|
if (is885(dev)) {
|
|
j = atp_readb_base(dev, 0x29) & 0xfe;
|
|
atp_writeb_base(dev, 0x29, j);
|
|
dev->r1f[c][scmd_id(workreq)] = 0;
|
|
}
|
|
|
|
if (workreq->cmnd[0] == READ_CAPACITY) {
|
|
if (l > 8)
|
|
l = 8;
|
|
}
|
|
if (workreq->cmnd[0] == TEST_UNIT_READY) {
|
|
l = 0;
|
|
}
|
|
|
|
j = 0;
|
|
target_id = scmd_id(workreq);
|
|
|
|
/*
|
|
* Wide ?
|
|
*/
|
|
w = 1;
|
|
w = w << target_id;
|
|
if ((w & dev->wide_id[c]) != 0) {
|
|
j |= 0x01;
|
|
}
|
|
atp_writeb_io(dev, c, 0x1b, j);
|
|
while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j) {
|
|
atp_writeb_pci(dev, c, 0x1b, j);
|
|
#ifdef ED_DBGP
|
|
printk("send_s870 while loop 1\n");
|
|
#endif
|
|
}
|
|
/*
|
|
* Write the command
|
|
*/
|
|
|
|
atp_writeb_io(dev, c, 0x00, workreq->cmd_len);
|
|
atp_writeb_io(dev, c, 0x01, 0x2c);
|
|
if (is885(dev))
|
|
atp_writeb_io(dev, c, 0x02, 0x7f);
|
|
else
|
|
atp_writeb_io(dev, c, 0x02, 0xcf);
|
|
for (i = 0; i < workreq->cmd_len; i++)
|
|
atp_writeb_io(dev, c, 0x03 + i, workreq->cmnd[i]);
|
|
atp_writeb_io(dev, c, 0x0f, workreq->device->lun);
|
|
/*
|
|
* Write the target
|
|
*/
|
|
atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp);
|
|
#ifdef ED_DBGP
|
|
printk("dev->id[%d][%d].devsp = %2x\n",c,target_id,
|
|
dev->id[c][target_id].devsp);
|
|
#endif
|
|
|
|
sg_count = scsi_dma_map(workreq);
|
|
/*
|
|
* Write transfer size
|
|
*/
|
|
atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&l))[2]);
|
|
atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&l))[1]);
|
|
atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&l))[0]);
|
|
j = target_id;
|
|
dev->id[c][j].last_len = l;
|
|
dev->id[c][j].tran_len = 0;
|
|
#ifdef ED_DBGP
|
|
printk("dev->id[%2d][%2d].last_len = %d\n",c,j,dev->id[c][j].last_len);
|
|
#endif
|
|
/*
|
|
* Flip the wide bits
|
|
*/
|
|
if ((j & 0x08) != 0) {
|
|
j = (j & 0x07) | 0x40;
|
|
}
|
|
/*
|
|
* Check transfer direction
|
|
*/
|
|
if (workreq->sc_data_direction == DMA_TO_DEVICE)
|
|
atp_writeb_io(dev, c, 0x15, j | 0x20);
|
|
else
|
|
atp_writeb_io(dev, c, 0x15, j);
|
|
atp_writeb_io(dev, c, 0x16, atp_readb_io(dev, c, 0x16) | 0x80);
|
|
atp_writeb_io(dev, c, 0x16, 0x80);
|
|
dev->id[c][target_id].dirct = 0;
|
|
if (l == 0) {
|
|
if (atp_readb_io(dev, c, 0x1c) == 0) {
|
|
#ifdef ED_DBGP
|
|
printk("change SCSI_CMD_REG 0x08\n");
|
|
#endif
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
} else
|
|
dev->last_cmd[c] |= 0x40;
|
|
dev->in_snd[c] = 0;
|
|
return;
|
|
}
|
|
prd = dev->id[c][target_id].prd_table;
|
|
dev->id[c][target_id].prd_pos = prd;
|
|
|
|
/*
|
|
* Now write the request list. Either as scatter/gather or as
|
|
* a linear chain.
|
|
*/
|
|
|
|
if (l) {
|
|
struct scatterlist *sgpnt;
|
|
i = 0;
|
|
scsi_for_each_sg(workreq, sgpnt, sg_count, j) {
|
|
bttl = sg_dma_address(sgpnt);
|
|
l=sg_dma_len(sgpnt);
|
|
#ifdef ED_DBGP
|
|
printk("1. bttl %x, l %x\n",bttl, l);
|
|
#endif
|
|
while (l > 0x10000) {
|
|
(((u16 *) (prd))[i + 3]) = 0x0000;
|
|
(((u16 *) (prd))[i + 2]) = 0x0000;
|
|
(((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl);
|
|
l -= 0x10000;
|
|
bttl += 0x10000;
|
|
i += 0x04;
|
|
}
|
|
(((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl);
|
|
(((u16 *) (prd))[i + 2]) = cpu_to_le16(l);
|
|
(((u16 *) (prd))[i + 3]) = 0;
|
|
i += 0x04;
|
|
}
|
|
(((u16 *) (prd))[i - 1]) = cpu_to_le16(0x8000);
|
|
#ifdef ED_DBGP
|
|
printk("prd %4x %4x %4x %4x\n",
|
|
(((unsigned short int *)prd)[0]),
|
|
(((unsigned short int *)prd)[1]),
|
|
(((unsigned short int *)prd)[2]),
|
|
(((unsigned short int *)prd)[3]));
|
|
printk("2. bttl %x, l %x\n",bttl, l);
|
|
#endif
|
|
}
|
|
#ifdef ED_DBGP
|
|
printk("send_s870: prdaddr_2 0x%8x target_id %d\n",
|
|
dev->id[c][target_id].prdaddr,target_id);
|
|
#endif
|
|
dev->id[c][target_id].prdaddr = dev->id[c][target_id].prd_bus;
|
|
atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr);
|
|
atp_writeb_pci(dev, c, 2, 0x06);
|
|
atp_writeb_pci(dev, c, 2, 0x00);
|
|
if (is885(dev)) {
|
|
j = atp_readb_pci(dev, c, 1) & 0xf3;
|
|
if ((workreq->cmnd[0] == READ_6) ||
|
|
(workreq->cmnd[0] == READ_10) ||
|
|
(workreq->cmnd[0] == WRITE_6) ||
|
|
(workreq->cmnd[0] == WRITE_10)) {
|
|
j |= 0x0c;
|
|
}
|
|
atp_writeb_pci(dev, c, 1, j);
|
|
} else if (is880(dev)) {
|
|
if ((workreq->cmnd[0] == READ_6) ||
|
|
(workreq->cmnd[0] == READ_10) ||
|
|
(workreq->cmnd[0] == WRITE_6) ||
|
|
(workreq->cmnd[0] == WRITE_10))
|
|
atp_writeb_base(dev, 0x3b,
|
|
(atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0);
|
|
else
|
|
atp_writeb_base(dev, 0x3b,
|
|
atp_readb_base(dev, 0x3b) & 0x3f);
|
|
} else {
|
|
if ((workreq->cmnd[0] == READ_6) ||
|
|
(workreq->cmnd[0] == READ_10) ||
|
|
(workreq->cmnd[0] == WRITE_6) ||
|
|
(workreq->cmnd[0] == WRITE_10))
|
|
atp_writeb_base(dev, 0x3a,
|
|
(atp_readb_base(dev, 0x3a) & 0xf3) | 0x08);
|
|
else
|
|
atp_writeb_base(dev, 0x3a,
|
|
atp_readb_base(dev, 0x3a) & 0xf3);
|
|
}
|
|
|
|
if(workreq->sc_data_direction == DMA_TO_DEVICE) {
|
|
dev->id[c][target_id].dirct = 0x20;
|
|
if (atp_readb_io(dev, c, 0x1c) == 0) {
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
atp_writeb_pci(dev, c, 0, 0x01);
|
|
#ifdef ED_DBGP
|
|
printk( "start DMA(to target)\n");
|
|
#endif
|
|
} else {
|
|
dev->last_cmd[c] |= 0x40;
|
|
}
|
|
dev->in_snd[c] = 0;
|
|
return;
|
|
}
|
|
if (atp_readb_io(dev, c, 0x1c) == 0) {
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
atp_writeb_pci(dev, c, 0, 0x09);
|
|
#ifdef ED_DBGP
|
|
printk( "start DMA(to host)\n");
|
|
#endif
|
|
} else {
|
|
dev->last_cmd[c] |= 0x40;
|
|
}
|
|
dev->in_snd[c] = 0;
|
|
return;
|
|
|
|
}
|
|
|
|
static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val)
|
|
{
|
|
unsigned short int i, k;
|
|
unsigned char j;
|
|
|
|
atp_writew_io(dev, 0, 0x1c, *val);
|
|
for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
|
|
k = atp_readw_io(dev, 0, 0x1c);
|
|
j = (unsigned char) (k >> 8);
|
|
if ((k & 0x8000) != 0) /* DB7 all release? */
|
|
i = 0;
|
|
}
|
|
*val |= 0x4000; /* assert DB6 */
|
|
atp_writew_io(dev, 0, 0x1c, *val);
|
|
*val &= 0xdfff; /* assert DB5 */
|
|
atp_writew_io(dev, 0, 0x1c, *val);
|
|
for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
|
|
if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) != 0) /* DB5 all release? */
|
|
i = 0;
|
|
}
|
|
*val |= 0x8000; /* no DB4-0, assert DB7 */
|
|
*val &= 0xe0ff;
|
|
atp_writew_io(dev, 0, 0x1c, *val);
|
|
*val &= 0xbfff; /* release DB6 */
|
|
atp_writew_io(dev, 0, 0x1c, *val);
|
|
for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
|
|
if ((atp_readw_io(dev, 0, 0x1c) & 0x4000) != 0) /* DB6 all release? */
|
|
i = 0;
|
|
}
|
|
|
|
return j;
|
|
}
|
|
|
|
static void tscam(struct Scsi_Host *host, bool wide_chip, u8 scam_on)
|
|
{
|
|
|
|
unsigned char i, j, k;
|
|
unsigned long n;
|
|
unsigned short int m, assignid_map, val;
|
|
unsigned char mbuf[33], quintet[2];
|
|
struct atp_unit *dev = (struct atp_unit *)&host->hostdata;
|
|
static unsigned char g2q_tab[8] = {
|
|
0x38, 0x31, 0x32, 0x2b, 0x34, 0x2d, 0x2e, 0x27
|
|
};
|
|
|
|
/* I can't believe we need this before we've even done anything. Remove it
|
|
* and see if anyone bitches.
|
|
for (i = 0; i < 0x10; i++) {
|
|
udelay(0xffff);
|
|
}
|
|
*/
|
|
|
|
atp_writeb_io(dev, 0, 1, 0x08);
|
|
atp_writeb_io(dev, 0, 2, 0x7f);
|
|
atp_writeb_io(dev, 0, 0x11, 0x20);
|
|
|
|
if ((scam_on & 0x40) == 0) {
|
|
return;
|
|
}
|
|
m = 1;
|
|
m <<= dev->host_id[0];
|
|
j = 16;
|
|
if (!wide_chip) {
|
|
m |= 0xff00;
|
|
j = 8;
|
|
}
|
|
assignid_map = m;
|
|
atp_writeb_io(dev, 0, 0x02, 0x02); /* 2*2=4ms,3EH 2/32*3E=3.9ms */
|
|
atp_writeb_io(dev, 0, 0x03, 0);
|
|
atp_writeb_io(dev, 0, 0x04, 0);
|
|
atp_writeb_io(dev, 0, 0x05, 0);
|
|
atp_writeb_io(dev, 0, 0x06, 0);
|
|
atp_writeb_io(dev, 0, 0x07, 0);
|
|
atp_writeb_io(dev, 0, 0x08, 0);
|
|
|
|
for (i = 0; i < j; i++) {
|
|
m = 1;
|
|
m = m << i;
|
|
if ((m & assignid_map) != 0) {
|
|
continue;
|
|
}
|
|
atp_writeb_io(dev, 0, 0x0f, 0);
|
|
atp_writeb_io(dev, 0, 0x12, 0);
|
|
atp_writeb_io(dev, 0, 0x13, 0);
|
|
atp_writeb_io(dev, 0, 0x14, 0);
|
|
if (i > 7) {
|
|
k = (i & 0x07) | 0x40;
|
|
} else {
|
|
k = i;
|
|
}
|
|
atp_writeb_io(dev, 0, 0x15, k);
|
|
if (wide_chip)
|
|
atp_writeb_io(dev, 0, 0x1b, 0x01);
|
|
else
|
|
atp_writeb_io(dev, 0, 0x1b, 0x00);
|
|
do {
|
|
atp_writeb_io(dev, 0, 0x18, 0x09);
|
|
|
|
while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
k = atp_readb_io(dev, 0, 0x17);
|
|
if ((k == 0x85) || (k == 0x42))
|
|
break;
|
|
if (k != 0x16)
|
|
atp_writeb_io(dev, 0, 0x10, 0x41);
|
|
} while (k != 0x16);
|
|
if ((k == 0x85) || (k == 0x42))
|
|
continue;
|
|
assignid_map |= m;
|
|
|
|
}
|
|
atp_writeb_io(dev, 0, 0x02, 0x7f);
|
|
atp_writeb_io(dev, 0, 0x1b, 0x02);
|
|
|
|
udelay(2);
|
|
|
|
val = 0x0080; /* bsy */
|
|
atp_writew_io(dev, 0, 0x1c, val);
|
|
val |= 0x0040; /* sel */
|
|
atp_writew_io(dev, 0, 0x1c, val);
|
|
val |= 0x0004; /* msg */
|
|
atp_writew_io(dev, 0, 0x1c, val);
|
|
udelay(2); /* 2 deskew delay(45ns*2=90ns) */
|
|
val &= 0x007f; /* no bsy */
|
|
atp_writew_io(dev, 0, 0x1c, val);
|
|
msleep(128);
|
|
val &= 0x00fb; /* after 1ms no msg */
|
|
atp_writew_io(dev, 0, 0x1c, val);
|
|
while ((atp_readb_io(dev, 0, 0x1c) & 0x04) != 0)
|
|
;
|
|
udelay(2);
|
|
udelay(100);
|
|
for (n = 0; n < 0x30000; n++)
|
|
if ((atp_readb_io(dev, 0, 0x1c) & 0x80) != 0) /* bsy ? */
|
|
break;
|
|
if (n < 0x30000)
|
|
for (n = 0; n < 0x30000; n++)
|
|
if ((atp_readb_io(dev, 0, 0x1c) & 0x81) == 0x0081) {
|
|
udelay(2);
|
|
val |= 0x8003; /* io,cd,db7 */
|
|
atp_writew_io(dev, 0, 0x1c, val);
|
|
udelay(2);
|
|
val &= 0x00bf; /* no sel */
|
|
atp_writew_io(dev, 0, 0x1c, val);
|
|
udelay(2);
|
|
break;
|
|
}
|
|
while (1) {
|
|
/*
|
|
* The funny division into multiple delays is to accomodate
|
|
* arches like ARM where udelay() multiplies its argument by
|
|
* a large number to initialize a loop counter. To avoid
|
|
* overflow, the maximum supported udelay is 2000 microseconds.
|
|
*
|
|
* XXX it would be more polite to find a way to use msleep()
|
|
*/
|
|
mdelay(2);
|
|
udelay(48);
|
|
if ((atp_readb_io(dev, 0, 0x1c) & 0x80) == 0x00) { /* bsy ? */
|
|
atp_writew_io(dev, 0, 0x1c, 0);
|
|
atp_writeb_io(dev, 0, 0x1b, 0);
|
|
atp_writeb_io(dev, 0, 0x15, 0);
|
|
atp_writeb_io(dev, 0, 0x18, 0x09);
|
|
while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0)
|
|
cpu_relax();
|
|
atp_readb_io(dev, 0, 0x17);
|
|
return;
|
|
}
|
|
val &= 0x00ff; /* synchronization */
|
|
val |= 0x3f00;
|
|
fun_scam(dev, &val);
|
|
udelay(2);
|
|
val &= 0x00ff; /* isolation */
|
|
val |= 0x2000;
|
|
fun_scam(dev, &val);
|
|
udelay(2);
|
|
i = 8;
|
|
j = 0;
|
|
|
|
while (1) {
|
|
if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) == 0)
|
|
continue;
|
|
udelay(2);
|
|
val &= 0x00ff; /* get ID_STRING */
|
|
val |= 0x2000;
|
|
k = fun_scam(dev, &val);
|
|
if ((k & 0x03) == 0)
|
|
break;
|
|
mbuf[j] <<= 0x01;
|
|
mbuf[j] &= 0xfe;
|
|
if ((k & 0x02) != 0)
|
|
mbuf[j] |= 0x01;
|
|
i--;
|
|
if (i > 0)
|
|
continue;
|
|
j++;
|
|
i = 8;
|
|
}
|
|
|
|
/* isolation complete.. */
|
|
/* mbuf[32]=0;
|
|
printk(" \n%x %x %x %s\n ",assignid_map,mbuf[0],mbuf[1],&mbuf[2]); */
|
|
i = 15;
|
|
j = mbuf[0];
|
|
if ((j & 0x20) != 0) { /* bit5=1:ID up to 7 */
|
|
i = 7;
|
|
}
|
|
if ((j & 0x06) != 0) { /* IDvalid? */
|
|
k = mbuf[1];
|
|
while (1) {
|
|
m = 1;
|
|
m <<= k;
|
|
if ((m & assignid_map) == 0)
|
|
break;
|
|
if (k > 0)
|
|
k--;
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
if ((m & assignid_map) != 0) { /* srch from max acceptable ID# */
|
|
k = i; /* max acceptable ID# */
|
|
while (1) {
|
|
m = 1;
|
|
m <<= k;
|
|
if ((m & assignid_map) == 0)
|
|
break;
|
|
if (k > 0)
|
|
k--;
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
/* k=binID#, */
|
|
assignid_map |= m;
|
|
if (k < 8) {
|
|
quintet[0] = 0x38; /* 1st dft ID<8 */
|
|
} else {
|
|
quintet[0] = 0x31; /* 1st ID>=8 */
|
|
}
|
|
k &= 0x07;
|
|
quintet[1] = g2q_tab[k];
|
|
|
|
val &= 0x00ff; /* AssignID 1stQuintet,AH=001xxxxx */
|
|
m = quintet[0] << 8;
|
|
val |= m;
|
|
fun_scam(dev, &val);
|
|
val &= 0x00ff; /* AssignID 2ndQuintet,AH=001xxxxx */
|
|
m = quintet[1] << 8;
|
|
val |= m;
|
|
fun_scam(dev, &val);
|
|
|
|
}
|
|
}
|
|
|
|
static void atp870u_free_tables(struct Scsi_Host *host)
|
|
{
|
|
struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata;
|
|
int j, k;
|
|
for (j=0; j < 2; j++) {
|
|
for (k = 0; k < 16; k++) {
|
|
if (!atp_dev->id[j][k].prd_table)
|
|
continue;
|
|
dma_free_coherent(&atp_dev->pdev->dev, 1024,
|
|
atp_dev->id[j][k].prd_table,
|
|
atp_dev->id[j][k].prd_bus);
|
|
atp_dev->id[j][k].prd_table = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int atp870u_init_tables(struct Scsi_Host *host)
|
|
{
|
|
struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata;
|
|
int c,k;
|
|
for(c=0;c < 2;c++) {
|
|
for(k=0;k<16;k++) {
|
|
atp_dev->id[c][k].prd_table =
|
|
dma_alloc_coherent(&atp_dev->pdev->dev, 1024,
|
|
&(atp_dev->id[c][k].prd_bus),
|
|
GFP_KERNEL);
|
|
if (!atp_dev->id[c][k].prd_table) {
|
|
printk("atp870u_init_tables fail\n");
|
|
atp870u_free_tables(host);
|
|
return -ENOMEM;
|
|
}
|
|
atp_dev->id[c][k].prdaddr = atp_dev->id[c][k].prd_bus;
|
|
atp_dev->id[c][k].devsp=0x20;
|
|
atp_dev->id[c][k].devtype = 0x7f;
|
|
atp_dev->id[c][k].curr_req = NULL;
|
|
}
|
|
|
|
atp_dev->active_id[c] = 0;
|
|
atp_dev->wide_id[c] = 0;
|
|
atp_dev->host_id[c] = 0x07;
|
|
atp_dev->quhd[c] = 0;
|
|
atp_dev->quend[c] = 0;
|
|
atp_dev->last_cmd[c] = 0xff;
|
|
atp_dev->in_snd[c] = 0;
|
|
atp_dev->in_int[c] = 0;
|
|
|
|
for (k = 0; k < qcnt; k++) {
|
|
atp_dev->quereq[c][k] = NULL;
|
|
}
|
|
for (k = 0; k < 16; k++) {
|
|
atp_dev->id[c][k].curr_req = NULL;
|
|
atp_dev->sp[c][k] = 0x04;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void atp_set_host_id(struct atp_unit *atp, u8 c, u8 host_id)
|
|
{
|
|
atp_writeb_io(atp, c, 0, host_id | 0x08);
|
|
atp_writeb_io(atp, c, 0x18, 0);
|
|
while ((atp_readb_io(atp, c, 0x1f) & 0x80) == 0)
|
|
mdelay(1);
|
|
atp_readb_io(atp, c, 0x17);
|
|
atp_writeb_io(atp, c, 1, 8);
|
|
atp_writeb_io(atp, c, 2, 0x7f);
|
|
atp_writeb_io(atp, c, 0x11, 0x20);
|
|
}
|
|
|
|
static void atp870_init(struct Scsi_Host *shpnt)
|
|
{
|
|
struct atp_unit *atpdev = shost_priv(shpnt);
|
|
struct pci_dev *pdev = atpdev->pdev;
|
|
unsigned char k, host_id;
|
|
u8 scam_on;
|
|
bool wide_chip =
|
|
(pdev->device == PCI_DEVICE_ID_ARTOP_AEC7610 &&
|
|
pdev->revision == 4) ||
|
|
(pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612UW) ||
|
|
(pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612SUW);
|
|
|
|
pci_read_config_byte(pdev, 0x49, &host_id);
|
|
|
|
dev_info(&pdev->dev, "ACARD AEC-671X PCI Ultra/W SCSI-2/3 "
|
|
"Host Adapter: IO:%lx, IRQ:%d.\n",
|
|
shpnt->io_port, shpnt->irq);
|
|
|
|
atpdev->ioport[0] = shpnt->io_port;
|
|
atpdev->pciport[0] = shpnt->io_port + 0x20;
|
|
host_id &= 0x07;
|
|
atpdev->host_id[0] = host_id;
|
|
scam_on = atp_readb_pci(atpdev, 0, 2);
|
|
atpdev->global_map[0] = atp_readb_base(atpdev, 0x2d);
|
|
atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x2e);
|
|
|
|
if (atpdev->ultra_map[0] == 0) {
|
|
scam_on = 0x00;
|
|
atpdev->global_map[0] = 0x20;
|
|
atpdev->ultra_map[0] = 0xffff;
|
|
}
|
|
|
|
if (pdev->revision > 0x07) /* check if atp876 chip */
|
|
atp_writeb_base(atpdev, 0x3e, 0x00); /* enable terminator */
|
|
|
|
k = (atp_readb_base(atpdev, 0x3a) & 0xf3) | 0x10;
|
|
atp_writeb_base(atpdev, 0x3a, k);
|
|
atp_writeb_base(atpdev, 0x3a, k & 0xdf);
|
|
msleep(32);
|
|
atp_writeb_base(atpdev, 0x3a, k);
|
|
msleep(32);
|
|
atp_set_host_id(atpdev, 0, host_id);
|
|
|
|
tscam(shpnt, wide_chip, scam_on);
|
|
atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10);
|
|
atp_is(atpdev, 0, wide_chip, 0);
|
|
atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef);
|
|
atp_writeb_base(atpdev, 0x3b, atp_readb_base(atpdev, 0x3b) | 0x20);
|
|
shpnt->max_id = wide_chip ? 16 : 8;
|
|
shpnt->this_id = host_id;
|
|
}
|
|
|
|
static void atp880_init(struct Scsi_Host *shpnt)
|
|
{
|
|
struct atp_unit *atpdev = shost_priv(shpnt);
|
|
struct pci_dev *pdev = atpdev->pdev;
|
|
unsigned char k, m, host_id;
|
|
unsigned int n;
|
|
|
|
pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80);
|
|
|
|
atpdev->ioport[0] = shpnt->io_port + 0x40;
|
|
atpdev->pciport[0] = shpnt->io_port + 0x28;
|
|
|
|
host_id = atp_readb_base(atpdev, 0x39) >> 4;
|
|
|
|
dev_info(&pdev->dev, "ACARD AEC-67160 PCI Ultra3 LVD "
|
|
"Host Adapter: IO:%lx, IRQ:%d.\n",
|
|
shpnt->io_port, shpnt->irq);
|
|
atpdev->host_id[0] = host_id;
|
|
|
|
atpdev->global_map[0] = atp_readb_base(atpdev, 0x35);
|
|
atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x3c);
|
|
|
|
n = 0x3f09;
|
|
while (n < 0x4000) {
|
|
m = 0;
|
|
atp_writew_base(atpdev, 0x34, n);
|
|
n += 0x0002;
|
|
if (atp_readb_base(atpdev, 0x30) == 0xff)
|
|
break;
|
|
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
|
|
atp_writew_base(atpdev, 0x34, n);
|
|
n += 0x0002;
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
|
|
atp_writew_base(atpdev, 0x34, n);
|
|
n += 0x0002;
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
|
|
atp_writew_base(atpdev, 0x34, n);
|
|
n += 0x0002;
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
|
|
atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
|
|
n += 0x0018;
|
|
}
|
|
atp_writew_base(atpdev, 0x34, 0);
|
|
atpdev->ultra_map[0] = 0;
|
|
atpdev->async[0] = 0;
|
|
for (k = 0; k < 16; k++) {
|
|
n = 1 << k;
|
|
if (atpdev->sp[0][k] > 1)
|
|
atpdev->ultra_map[0] |= n;
|
|
else
|
|
if (atpdev->sp[0][k] == 0)
|
|
atpdev->async[0] |= n;
|
|
}
|
|
atpdev->async[0] = ~(atpdev->async[0]);
|
|
atp_writeb_base(atpdev, 0x35, atpdev->global_map[0]);
|
|
|
|
k = atp_readb_base(atpdev, 0x38) & 0x80;
|
|
atp_writeb_base(atpdev, 0x38, k);
|
|
atp_writeb_base(atpdev, 0x3b, 0x20);
|
|
msleep(32);
|
|
atp_writeb_base(atpdev, 0x3b, 0);
|
|
msleep(32);
|
|
atp_readb_io(atpdev, 0, 0x1b);
|
|
atp_readb_io(atpdev, 0, 0x17);
|
|
|
|
atp_set_host_id(atpdev, 0, host_id);
|
|
|
|
tscam(shpnt, true, atp_readb_base(atpdev, 0x22));
|
|
atp_is(atpdev, 0, true, atp_readb_base(atpdev, 0x3f) & 0x40);
|
|
atp_writeb_base(atpdev, 0x38, 0xb0);
|
|
shpnt->max_id = 16;
|
|
shpnt->this_id = host_id;
|
|
}
|
|
|
|
static void atp885_init(struct Scsi_Host *shpnt)
|
|
{
|
|
struct atp_unit *atpdev = shost_priv(shpnt);
|
|
struct pci_dev *pdev = atpdev->pdev;
|
|
unsigned char k, m, c;
|
|
unsigned int n;
|
|
unsigned char setupdata[2][16];
|
|
|
|
dev_info(&pdev->dev, "ACARD AEC-67162 PCI Ultra3 LVD "
|
|
"Host Adapter: IO:%lx, IRQ:%d.\n",
|
|
shpnt->io_port, shpnt->irq);
|
|
|
|
atpdev->ioport[0] = shpnt->io_port + 0x80;
|
|
atpdev->ioport[1] = shpnt->io_port + 0xc0;
|
|
atpdev->pciport[0] = shpnt->io_port + 0x40;
|
|
atpdev->pciport[1] = shpnt->io_port + 0x50;
|
|
|
|
c = atp_readb_base(atpdev, 0x29);
|
|
atp_writeb_base(atpdev, 0x29, c | 0x04);
|
|
|
|
n = 0x1f80;
|
|
while (n < 0x2000) {
|
|
atp_writew_base(atpdev, 0x3c, n);
|
|
if (atp_readl_base(atpdev, 0x38) == 0xffffffff)
|
|
break;
|
|
for (m = 0; m < 2; m++) {
|
|
atpdev->global_map[m] = 0;
|
|
for (k = 0; k < 4; k++) {
|
|
atp_writew_base(atpdev, 0x3c, n++);
|
|
((u32 *)&setupdata[m][0])[k] =
|
|
atp_readl_base(atpdev, 0x38);
|
|
}
|
|
for (k = 0; k < 4; k++) {
|
|
atp_writew_base(atpdev, 0x3c, n++);
|
|
((u32 *)&atpdev->sp[m][0])[k] =
|
|
atp_readl_base(atpdev, 0x38);
|
|
}
|
|
n += 8;
|
|
}
|
|
}
|
|
c = atp_readb_base(atpdev, 0x29);
|
|
atp_writeb_base(atpdev, 0x29, c & 0xfb);
|
|
for (c = 0; c < 2; c++) {
|
|
atpdev->ultra_map[c] = 0;
|
|
atpdev->async[c] = 0;
|
|
for (k = 0; k < 16; k++) {
|
|
n = 1 << k;
|
|
if (atpdev->sp[c][k] > 1)
|
|
atpdev->ultra_map[c] |= n;
|
|
else
|
|
if (atpdev->sp[c][k] == 0)
|
|
atpdev->async[c] |= n;
|
|
}
|
|
atpdev->async[c] = ~(atpdev->async[c]);
|
|
|
|
if (atpdev->global_map[c] == 0) {
|
|
k = setupdata[c][1];
|
|
if ((k & 0x40) != 0)
|
|
atpdev->global_map[c] |= 0x20;
|
|
k &= 0x07;
|
|
atpdev->global_map[c] |= k;
|
|
if ((setupdata[c][2] & 0x04) != 0)
|
|
atpdev->global_map[c] |= 0x08;
|
|
atpdev->host_id[c] = setupdata[c][0] & 0x07;
|
|
}
|
|
}
|
|
|
|
k = atp_readb_base(atpdev, 0x28) & 0x8f;
|
|
k |= 0x10;
|
|
atp_writeb_base(atpdev, 0x28, k);
|
|
atp_writeb_pci(atpdev, 0, 1, 0x80);
|
|
atp_writeb_pci(atpdev, 1, 1, 0x80);
|
|
msleep(100);
|
|
atp_writeb_pci(atpdev, 0, 1, 0);
|
|
atp_writeb_pci(atpdev, 1, 1, 0);
|
|
msleep(1000);
|
|
atp_readb_io(atpdev, 0, 0x1b);
|
|
atp_readb_io(atpdev, 0, 0x17);
|
|
atp_readb_io(atpdev, 1, 0x1b);
|
|
atp_readb_io(atpdev, 1, 0x17);
|
|
|
|
k = atpdev->host_id[0];
|
|
if (k > 7)
|
|
k = (k & 0x07) | 0x40;
|
|
atp_set_host_id(atpdev, 0, k);
|
|
|
|
k = atpdev->host_id[1];
|
|
if (k > 7)
|
|
k = (k & 0x07) | 0x40;
|
|
atp_set_host_id(atpdev, 1, k);
|
|
|
|
msleep(600); /* this delay used to be called tscam_885() */
|
|
dev_info(&pdev->dev, "Scanning Channel A SCSI Device ...\n");
|
|
atp_is(atpdev, 0, true, atp_readb_io(atpdev, 0, 0x1b) >> 7);
|
|
atp_writeb_io(atpdev, 0, 0x16, 0x80);
|
|
dev_info(&pdev->dev, "Scanning Channel B SCSI Device ...\n");
|
|
atp_is(atpdev, 1, true, atp_readb_io(atpdev, 1, 0x1b) >> 7);
|
|
atp_writeb_io(atpdev, 1, 0x16, 0x80);
|
|
k = atp_readb_base(atpdev, 0x28) & 0xcf;
|
|
k |= 0xc0;
|
|
atp_writeb_base(atpdev, 0x28, k);
|
|
k = atp_readb_base(atpdev, 0x1f) | 0x80;
|
|
atp_writeb_base(atpdev, 0x1f, k);
|
|
k = atp_readb_base(atpdev, 0x29) | 0x01;
|
|
atp_writeb_base(atpdev, 0x29, k);
|
|
shpnt->max_id = 16;
|
|
shpnt->max_lun = (atpdev->global_map[0] & 0x07) + 1;
|
|
shpnt->max_channel = 1;
|
|
shpnt->this_id = atpdev->host_id[0];
|
|
}
|
|
|
|
/* return non-zero on detection */
|
|
static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
|
|
{
|
|
struct Scsi_Host *shpnt = NULL;
|
|
struct atp_unit *atpdev;
|
|
int err;
|
|
|
|
if (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 && pdev->revision < 2) {
|
|
dev_err(&pdev->dev, "ATP850S chips (AEC6710L/F cards) are not supported.\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
err = pci_enable_device(pdev);
|
|
if (err)
|
|
goto fail;
|
|
|
|
if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
|
|
printk(KERN_ERR "atp870u: DMA mask required but not available.\n");
|
|
err = -EIO;
|
|
goto disable_device;
|
|
}
|
|
|
|
err = pci_request_regions(pdev, "atp870u");
|
|
if (err)
|
|
goto disable_device;
|
|
pci_set_master(pdev);
|
|
|
|
err = -ENOMEM;
|
|
shpnt = scsi_host_alloc(&atp870u_template, sizeof(struct atp_unit));
|
|
if (!shpnt)
|
|
goto release_region;
|
|
|
|
atpdev = shost_priv(shpnt);
|
|
|
|
atpdev->host = shpnt;
|
|
atpdev->pdev = pdev;
|
|
pci_set_drvdata(pdev, atpdev);
|
|
|
|
shpnt->io_port = pci_resource_start(pdev, 0);
|
|
shpnt->io_port &= 0xfffffff8;
|
|
shpnt->n_io_port = pci_resource_len(pdev, 0);
|
|
atpdev->baseport = shpnt->io_port;
|
|
shpnt->unique_id = shpnt->io_port;
|
|
shpnt->irq = pdev->irq;
|
|
|
|
err = atp870u_init_tables(shpnt);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Unable to allocate tables for Acard controller\n");
|
|
goto unregister;
|
|
}
|
|
|
|
if (is880(atpdev))
|
|
atp880_init(shpnt);
|
|
else if (is885(atpdev))
|
|
atp885_init(shpnt);
|
|
else
|
|
atp870_init(shpnt);
|
|
|
|
err = request_irq(shpnt->irq, atp870u_intr_handle, IRQF_SHARED, "atp870u", shpnt);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Unable to allocate IRQ %d.\n", shpnt->irq);
|
|
goto free_tables;
|
|
}
|
|
|
|
err = scsi_add_host(shpnt, &pdev->dev);
|
|
if (err)
|
|
goto scsi_add_fail;
|
|
scsi_scan_host(shpnt);
|
|
|
|
return 0;
|
|
|
|
scsi_add_fail:
|
|
free_irq(shpnt->irq, shpnt);
|
|
free_tables:
|
|
atp870u_free_tables(shpnt);
|
|
unregister:
|
|
scsi_host_put(shpnt);
|
|
release_region:
|
|
pci_release_regions(pdev);
|
|
disable_device:
|
|
pci_disable_device(pdev);
|
|
fail:
|
|
return err;
|
|
}
|
|
|
|
/* The abort command does not leave the device in a clean state where
|
|
it is available to be used again. Until this gets worked out, we will
|
|
leave it commented out. */
|
|
|
|
static int atp870u_abort(struct scsi_cmnd * SCpnt)
|
|
{
|
|
unsigned char j, k, c;
|
|
struct scsi_cmnd *workrequ;
|
|
struct atp_unit *dev;
|
|
struct Scsi_Host *host;
|
|
host = SCpnt->device->host;
|
|
|
|
dev = (struct atp_unit *)&host->hostdata;
|
|
c = scmd_channel(SCpnt);
|
|
printk(" atp870u: abort Channel = %x \n", c);
|
|
printk("working=%x last_cmd=%x ", dev->working[c], dev->last_cmd[c]);
|
|
printk(" quhdu=%x quendu=%x ", dev->quhd[c], dev->quend[c]);
|
|
for (j = 0; j < 0x18; j++) {
|
|
printk(" r%2x=%2x", j, atp_readb_io(dev, c, j));
|
|
}
|
|
printk(" r1c=%2x", atp_readb_io(dev, c, 0x1c));
|
|
printk(" r1f=%2x in_snd=%2x ", atp_readb_io(dev, c, 0x1f), dev->in_snd[c]);
|
|
printk(" d00=%2x", atp_readb_pci(dev, c, 0x00));
|
|
printk(" d02=%2x", atp_readb_pci(dev, c, 0x02));
|
|
for(j=0;j<16;j++) {
|
|
if (dev->id[c][j].curr_req != NULL) {
|
|
workrequ = dev->id[c][j].curr_req;
|
|
printk("\n que cdb= ");
|
|
for (k=0; k < workrequ->cmd_len; k++) {
|
|
printk(" %2x ",workrequ->cmnd[k]);
|
|
}
|
|
printk(" last_lenu= %x ",(unsigned int)dev->id[c][j].last_len);
|
|
}
|
|
}
|
|
return SUCCESS;
|
|
}
|
|
|
|
static const char *atp870u_info(struct Scsi_Host *notused)
|
|
{
|
|
static char buffer[128];
|
|
|
|
strcpy(buffer, "ACARD AEC-6710/6712/67160 PCI Ultra/W/LVD SCSI-3 Adapter Driver V2.6+ac ");
|
|
|
|
return buffer;
|
|
}
|
|
|
|
static int atp870u_show_info(struct seq_file *m, struct Scsi_Host *HBAptr)
|
|
{
|
|
seq_puts(m, "ACARD AEC-671X Driver Version: 2.6+ac\n\n"
|
|
"Adapter Configuration:\n");
|
|
seq_printf(m, " Base IO: %#.4lx\n", HBAptr->io_port);
|
|
seq_printf(m, " IRQ: %d\n", HBAptr->irq);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int atp870u_biosparam(struct scsi_device *disk, struct block_device *dev,
|
|
sector_t capacity, int *ip)
|
|
{
|
|
int heads, sectors, cylinders;
|
|
|
|
heads = 64;
|
|
sectors = 32;
|
|
cylinders = (unsigned long)capacity / (heads * sectors);
|
|
if (cylinders > 1024) {
|
|
heads = 255;
|
|
sectors = 63;
|
|
cylinders = (unsigned long)capacity / (heads * sectors);
|
|
}
|
|
ip[0] = heads;
|
|
ip[1] = sectors;
|
|
ip[2] = cylinders;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void atp870u_remove (struct pci_dev *pdev)
|
|
{
|
|
struct atp_unit *devext = pci_get_drvdata(pdev);
|
|
struct Scsi_Host *pshost = devext->host;
|
|
|
|
scsi_remove_host(pshost);
|
|
free_irq(pshost->irq, pshost);
|
|
pci_release_regions(pdev);
|
|
pci_disable_device(pdev);
|
|
atp870u_free_tables(pshost);
|
|
scsi_host_put(pshost);
|
|
}
|
|
|
|
MODULE_DESCRIPTION("ACARD SCSI host adapter driver");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
static const struct scsi_host_template atp870u_template = {
|
|
.module = THIS_MODULE,
|
|
.name = "atp870u" /* name */,
|
|
.proc_name = "atp870u",
|
|
.show_info = atp870u_show_info,
|
|
.info = atp870u_info /* info */,
|
|
.queuecommand = atp870u_queuecommand /* queuecommand */,
|
|
.eh_abort_handler = atp870u_abort /* abort */,
|
|
.bios_param = atp870u_biosparam /* biosparm */,
|
|
.can_queue = qcnt /* can_queue */,
|
|
.this_id = 7 /* SCSI ID */,
|
|
.sg_tablesize = ATP870U_SCATTER /*SG_ALL*/,
|
|
.max_sectors = ATP870U_MAX_SECTORS,
|
|
};
|
|
|
|
static struct pci_device_id atp870u_id_table[] = {
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP885_DEVID) },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID1) },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID2) },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7610) },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612UW) },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612U) },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612S) },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612D) },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612SUW) },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_8060) },
|
|
{ 0, },
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, atp870u_id_table);
|
|
|
|
static struct pci_driver atp870u_driver = {
|
|
.id_table = atp870u_id_table,
|
|
.name = "atp870u",
|
|
.probe = atp870u_probe,
|
|
.remove = atp870u_remove,
|
|
};
|
|
|
|
module_pci_driver(atp870u_driver);
|
|
|
|
static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip,
|
|
unsigned char lvdmode)
|
|
{
|
|
unsigned char i, j, k, rmb, n;
|
|
unsigned short int m;
|
|
static unsigned char mbuf[512];
|
|
static unsigned char satn[9] = { 0, 0, 0, 0, 0, 0, 0, 6, 6 };
|
|
static unsigned char inqd[9] = { 0x12, 0, 0, 0, 0x24, 0, 0, 0x24, 6 };
|
|
static unsigned char synn[6] = { 0x80, 1, 3, 1, 0x19, 0x0e };
|
|
unsigned char synu[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e };
|
|
static unsigned char synw[6] = { 0x80, 1, 3, 1, 0x19, 0x0e };
|
|
static unsigned char synw_870[6] = { 0x80, 1, 3, 1, 0x0c, 0x07 };
|
|
unsigned char synuw[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e };
|
|
static unsigned char wide[6] = { 0x80, 1, 2, 3, 1, 0 };
|
|
static unsigned char u3[9] = { 0x80, 1, 6, 4, 0x09, 00, 0x0e, 0x01, 0x02 };
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
if (!wide_chip && (i > 7))
|
|
break;
|
|
m = 1;
|
|
m = m << i;
|
|
if ((m & dev->active_id[c]) != 0) {
|
|
continue;
|
|
}
|
|
if (i == dev->host_id[c]) {
|
|
printk(KERN_INFO " ID: %2d Host Adapter\n", dev->host_id[c]);
|
|
continue;
|
|
}
|
|
atp_writeb_io(dev, c, 0x1b, wide_chip ? 0x01 : 0x00);
|
|
atp_writeb_io(dev, c, 1, 0x08);
|
|
atp_writeb_io(dev, c, 2, 0x7f);
|
|
atp_writeb_io(dev, c, 3, satn[0]);
|
|
atp_writeb_io(dev, c, 4, satn[1]);
|
|
atp_writeb_io(dev, c, 5, satn[2]);
|
|
atp_writeb_io(dev, c, 6, satn[3]);
|
|
atp_writeb_io(dev, c, 7, satn[4]);
|
|
atp_writeb_io(dev, c, 8, satn[5]);
|
|
atp_writeb_io(dev, c, 0x0f, 0);
|
|
atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
|
|
atp_writeb_io(dev, c, 0x12, 0);
|
|
atp_writeb_io(dev, c, 0x13, satn[6]);
|
|
atp_writeb_io(dev, c, 0x14, satn[7]);
|
|
j = i;
|
|
if ((j & 0x08) != 0) {
|
|
j = (j & 0x07) | 0x40;
|
|
}
|
|
atp_writeb_io(dev, c, 0x15, j);
|
|
atp_writeb_io(dev, c, 0x18, satn[8]);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
|
|
if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e)
|
|
continue;
|
|
|
|
while (atp_readb_io(dev, c, 0x17) != 0x8e)
|
|
cpu_relax();
|
|
|
|
dev->active_id[c] |= m;
|
|
|
|
atp_writeb_io(dev, c, 0x10, 0x30);
|
|
if (is885(dev) || is880(dev))
|
|
atp_writeb_io(dev, c, 0x14, 0x00);
|
|
else /* result of is870() merge - is this a bug? */
|
|
atp_writeb_io(dev, c, 0x04, 0x00);
|
|
|
|
phase_cmd:
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
|
|
j = atp_readb_io(dev, c, 0x17);
|
|
if (j != 0x16) {
|
|
atp_writeb_io(dev, c, 0x10, 0x41);
|
|
goto phase_cmd;
|
|
}
|
|
sel_ok:
|
|
atp_writeb_io(dev, c, 3, inqd[0]);
|
|
atp_writeb_io(dev, c, 4, inqd[1]);
|
|
atp_writeb_io(dev, c, 5, inqd[2]);
|
|
atp_writeb_io(dev, c, 6, inqd[3]);
|
|
atp_writeb_io(dev, c, 7, inqd[4]);
|
|
atp_writeb_io(dev, c, 8, inqd[5]);
|
|
atp_writeb_io(dev, c, 0x0f, 0);
|
|
atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
|
|
atp_writeb_io(dev, c, 0x12, 0);
|
|
atp_writeb_io(dev, c, 0x13, inqd[6]);
|
|
atp_writeb_io(dev, c, 0x14, inqd[7]);
|
|
atp_writeb_io(dev, c, 0x18, inqd[8]);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
|
|
if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e)
|
|
continue;
|
|
|
|
while (atp_readb_io(dev, c, 0x17) != 0x8e)
|
|
cpu_relax();
|
|
|
|
if (wide_chip)
|
|
atp_writeb_io(dev, c, 0x1b, 0x00);
|
|
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
j = 0;
|
|
rd_inq_data:
|
|
k = atp_readb_io(dev, c, 0x1f);
|
|
if ((k & 0x01) != 0) {
|
|
mbuf[j++] = atp_readb_io(dev, c, 0x19);
|
|
goto rd_inq_data;
|
|
}
|
|
if ((k & 0x80) == 0) {
|
|
goto rd_inq_data;
|
|
}
|
|
j = atp_readb_io(dev, c, 0x17);
|
|
if (j == 0x16) {
|
|
goto inq_ok;
|
|
}
|
|
atp_writeb_io(dev, c, 0x10, 0x46);
|
|
atp_writeb_io(dev, c, 0x12, 0);
|
|
atp_writeb_io(dev, c, 0x13, 0);
|
|
atp_writeb_io(dev, c, 0x14, 0);
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
|
|
if (atp_readb_io(dev, c, 0x17) != 0x16)
|
|
goto sel_ok;
|
|
|
|
inq_ok:
|
|
mbuf[36] = 0;
|
|
printk(KERN_INFO " ID: %2d %s\n", i, &mbuf[8]);
|
|
dev->id[c][i].devtype = mbuf[0];
|
|
rmb = mbuf[1];
|
|
n = mbuf[7];
|
|
if (!wide_chip)
|
|
goto not_wide;
|
|
if ((mbuf[7] & 0x60) == 0) {
|
|
goto not_wide;
|
|
}
|
|
if (is885(dev) || is880(dev)) {
|
|
if ((i < 8) && ((dev->global_map[c] & 0x20) == 0))
|
|
goto not_wide;
|
|
} else { /* result of is870() merge - is this a bug? */
|
|
if ((dev->global_map[c] & 0x20) == 0)
|
|
goto not_wide;
|
|
}
|
|
if (lvdmode == 0) {
|
|
goto chg_wide;
|
|
}
|
|
if (dev->sp[c][i] != 0x04) // force u2
|
|
{
|
|
goto chg_wide;
|
|
}
|
|
|
|
atp_writeb_io(dev, c, 0x1b, 0x01);
|
|
atp_writeb_io(dev, c, 3, satn[0]);
|
|
atp_writeb_io(dev, c, 4, satn[1]);
|
|
atp_writeb_io(dev, c, 5, satn[2]);
|
|
atp_writeb_io(dev, c, 6, satn[3]);
|
|
atp_writeb_io(dev, c, 7, satn[4]);
|
|
atp_writeb_io(dev, c, 8, satn[5]);
|
|
atp_writeb_io(dev, c, 0x0f, 0);
|
|
atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
|
|
atp_writeb_io(dev, c, 0x12, 0);
|
|
atp_writeb_io(dev, c, 0x13, satn[6]);
|
|
atp_writeb_io(dev, c, 0x14, satn[7]);
|
|
atp_writeb_io(dev, c, 0x18, satn[8]);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
|
|
if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e)
|
|
continue;
|
|
|
|
while (atp_readb_io(dev, c, 0x17) != 0x8e)
|
|
cpu_relax();
|
|
|
|
try_u3:
|
|
j = 0;
|
|
atp_writeb_io(dev, c, 0x14, 0x09);
|
|
atp_writeb_io(dev, c, 0x18, 0x20);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
|
|
if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
|
|
atp_writeb_io(dev, c, 0x19, u3[j++]);
|
|
cpu_relax();
|
|
}
|
|
|
|
while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
|
|
j = atp_readb_io(dev, c, 0x17) & 0x0f;
|
|
if (j == 0x0f) {
|
|
goto u3p_in;
|
|
}
|
|
if (j == 0x0a) {
|
|
goto u3p_cmd;
|
|
}
|
|
if (j == 0x0e) {
|
|
goto try_u3;
|
|
}
|
|
continue;
|
|
u3p_out:
|
|
atp_writeb_io(dev, c, 0x18, 0x20);
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
|
|
if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
|
|
atp_writeb_io(dev, c, 0x19, 0);
|
|
cpu_relax();
|
|
}
|
|
j = atp_readb_io(dev, c, 0x17) & 0x0f;
|
|
if (j == 0x0f) {
|
|
goto u3p_in;
|
|
}
|
|
if (j == 0x0a) {
|
|
goto u3p_cmd;
|
|
}
|
|
if (j == 0x0e) {
|
|
goto u3p_out;
|
|
}
|
|
continue;
|
|
u3p_in:
|
|
atp_writeb_io(dev, c, 0x14, 0x09);
|
|
atp_writeb_io(dev, c, 0x18, 0x20);
|
|
k = 0;
|
|
u3p_in1:
|
|
j = atp_readb_io(dev, c, 0x1f);
|
|
if ((j & 0x01) != 0) {
|
|
mbuf[k++] = atp_readb_io(dev, c, 0x19);
|
|
goto u3p_in1;
|
|
}
|
|
if ((j & 0x80) == 0x00) {
|
|
goto u3p_in1;
|
|
}
|
|
j = atp_readb_io(dev, c, 0x17) & 0x0f;
|
|
if (j == 0x0f) {
|
|
goto u3p_in;
|
|
}
|
|
if (j == 0x0a) {
|
|
goto u3p_cmd;
|
|
}
|
|
if (j == 0x0e) {
|
|
goto u3p_out;
|
|
}
|
|
continue;
|
|
u3p_cmd:
|
|
atp_writeb_io(dev, c, 0x10, 0x30);
|
|
atp_writeb_io(dev, c, 0x14, 0x00);
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00);
|
|
|
|
j = atp_readb_io(dev, c, 0x17);
|
|
if (j != 0x16) {
|
|
if (j == 0x4e) {
|
|
goto u3p_out;
|
|
}
|
|
continue;
|
|
}
|
|
if (mbuf[0] != 0x01) {
|
|
goto chg_wide;
|
|
}
|
|
if (mbuf[1] != 0x06) {
|
|
goto chg_wide;
|
|
}
|
|
if (mbuf[2] != 0x04) {
|
|
goto chg_wide;
|
|
}
|
|
if (mbuf[3] == 0x09) {
|
|
m = 1;
|
|
m = m << i;
|
|
dev->wide_id[c] |= m;
|
|
dev->id[c][i].devsp = 0xce;
|
|
#ifdef ED_DBGP
|
|
printk("dev->id[%2d][%2d].devsp = %2x\n",
|
|
c, i, dev->id[c][i].devsp);
|
|
#endif
|
|
continue;
|
|
}
|
|
chg_wide:
|
|
atp_writeb_io(dev, c, 0x1b, 0x01);
|
|
atp_writeb_io(dev, c, 3, satn[0]);
|
|
atp_writeb_io(dev, c, 4, satn[1]);
|
|
atp_writeb_io(dev, c, 5, satn[2]);
|
|
atp_writeb_io(dev, c, 6, satn[3]);
|
|
atp_writeb_io(dev, c, 7, satn[4]);
|
|
atp_writeb_io(dev, c, 8, satn[5]);
|
|
atp_writeb_io(dev, c, 0x0f, 0);
|
|
atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
|
|
atp_writeb_io(dev, c, 0x12, 0);
|
|
atp_writeb_io(dev, c, 0x13, satn[6]);
|
|
atp_writeb_io(dev, c, 0x14, satn[7]);
|
|
atp_writeb_io(dev, c, 0x18, satn[8]);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
|
|
if (atp_readb_io(dev, c, 0x17) != 0x11 &&
|
|
atp_readb_io(dev, c, 0x17) != 0x8e)
|
|
continue;
|
|
|
|
while (atp_readb_io(dev, c, 0x17) != 0x8e)
|
|
cpu_relax();
|
|
|
|
try_wide:
|
|
j = 0;
|
|
atp_writeb_io(dev, c, 0x14, 0x05);
|
|
atp_writeb_io(dev, c, 0x18, 0x20);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
|
|
if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
|
|
atp_writeb_io(dev, c, 0x19, wide[j++]);
|
|
cpu_relax();
|
|
}
|
|
|
|
while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
|
|
j = atp_readb_io(dev, c, 0x17) & 0x0f;
|
|
if (j == 0x0f) {
|
|
goto widep_in;
|
|
}
|
|
if (j == 0x0a) {
|
|
goto widep_cmd;
|
|
}
|
|
if (j == 0x0e) {
|
|
goto try_wide;
|
|
}
|
|
continue;
|
|
widep_out:
|
|
atp_writeb_io(dev, c, 0x18, 0x20);
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
|
|
if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
|
|
atp_writeb_io(dev, c, 0x19, 0);
|
|
cpu_relax();
|
|
}
|
|
j = atp_readb_io(dev, c, 0x17) & 0x0f;
|
|
if (j == 0x0f) {
|
|
goto widep_in;
|
|
}
|
|
if (j == 0x0a) {
|
|
goto widep_cmd;
|
|
}
|
|
if (j == 0x0e) {
|
|
goto widep_out;
|
|
}
|
|
continue;
|
|
widep_in:
|
|
atp_writeb_io(dev, c, 0x14, 0xff);
|
|
atp_writeb_io(dev, c, 0x18, 0x20);
|
|
k = 0;
|
|
widep_in1:
|
|
j = atp_readb_io(dev, c, 0x1f);
|
|
if ((j & 0x01) != 0) {
|
|
mbuf[k++] = atp_readb_io(dev, c, 0x19);
|
|
goto widep_in1;
|
|
}
|
|
if ((j & 0x80) == 0x00) {
|
|
goto widep_in1;
|
|
}
|
|
j = atp_readb_io(dev, c, 0x17) & 0x0f;
|
|
if (j == 0x0f) {
|
|
goto widep_in;
|
|
}
|
|
if (j == 0x0a) {
|
|
goto widep_cmd;
|
|
}
|
|
if (j == 0x0e) {
|
|
goto widep_out;
|
|
}
|
|
continue;
|
|
widep_cmd:
|
|
atp_writeb_io(dev, c, 0x10, 0x30);
|
|
atp_writeb_io(dev, c, 0x14, 0x00);
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
|
|
j = atp_readb_io(dev, c, 0x17);
|
|
if (j != 0x16) {
|
|
if (j == 0x4e) {
|
|
goto widep_out;
|
|
}
|
|
continue;
|
|
}
|
|
if (mbuf[0] != 0x01) {
|
|
goto not_wide;
|
|
}
|
|
if (mbuf[1] != 0x02) {
|
|
goto not_wide;
|
|
}
|
|
if (mbuf[2] != 0x03) {
|
|
goto not_wide;
|
|
}
|
|
if (mbuf[3] != 0x01) {
|
|
goto not_wide;
|
|
}
|
|
m = 1;
|
|
m = m << i;
|
|
dev->wide_id[c] |= m;
|
|
not_wide:
|
|
if ((dev->id[c][i].devtype == 0x00) ||
|
|
(dev->id[c][i].devtype == 0x07) ||
|
|
((dev->id[c][i].devtype == 0x05) && ((n & 0x10) != 0))) {
|
|
m = 1;
|
|
m = m << i;
|
|
if ((dev->async[c] & m) != 0) {
|
|
goto set_sync;
|
|
}
|
|
}
|
|
continue;
|
|
set_sync:
|
|
if ((!is885(dev) && !is880(dev)) || (dev->sp[c][i] == 0x02)) {
|
|
synu[4] = 0x0c;
|
|
synuw[4] = 0x0c;
|
|
} else {
|
|
if (dev->sp[c][i] >= 0x03) {
|
|
synu[4] = 0x0a;
|
|
synuw[4] = 0x0a;
|
|
}
|
|
}
|
|
j = 0;
|
|
if ((m & dev->wide_id[c]) != 0) {
|
|
j |= 0x01;
|
|
}
|
|
atp_writeb_io(dev, c, 0x1b, j);
|
|
atp_writeb_io(dev, c, 3, satn[0]);
|
|
atp_writeb_io(dev, c, 4, satn[1]);
|
|
atp_writeb_io(dev, c, 5, satn[2]);
|
|
atp_writeb_io(dev, c, 6, satn[3]);
|
|
atp_writeb_io(dev, c, 7, satn[4]);
|
|
atp_writeb_io(dev, c, 8, satn[5]);
|
|
atp_writeb_io(dev, c, 0x0f, 0);
|
|
atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
|
|
atp_writeb_io(dev, c, 0x12, 0);
|
|
atp_writeb_io(dev, c, 0x13, satn[6]);
|
|
atp_writeb_io(dev, c, 0x14, satn[7]);
|
|
atp_writeb_io(dev, c, 0x18, satn[8]);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
|
|
if (atp_readb_io(dev, c, 0x17) != 0x11 &&
|
|
atp_readb_io(dev, c, 0x17) != 0x8e)
|
|
continue;
|
|
|
|
while (atp_readb_io(dev, c, 0x17) != 0x8e)
|
|
cpu_relax();
|
|
|
|
try_sync:
|
|
j = 0;
|
|
atp_writeb_io(dev, c, 0x14, 0x06);
|
|
atp_writeb_io(dev, c, 0x18, 0x20);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
|
|
if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) {
|
|
if ((m & dev->wide_id[c]) != 0) {
|
|
if (is885(dev) || is880(dev)) {
|
|
if ((m & dev->ultra_map[c]) != 0) {
|
|
atp_writeb_io(dev, c, 0x19, synuw[j++]);
|
|
} else {
|
|
atp_writeb_io(dev, c, 0x19, synw[j++]);
|
|
}
|
|
} else
|
|
atp_writeb_io(dev, c, 0x19, synw_870[j++]);
|
|
} else {
|
|
if ((m & dev->ultra_map[c]) != 0) {
|
|
atp_writeb_io(dev, c, 0x19, synu[j++]);
|
|
} else {
|
|
atp_writeb_io(dev, c, 0x19, synn[j++]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
|
|
j = atp_readb_io(dev, c, 0x17) & 0x0f;
|
|
if (j == 0x0f) {
|
|
goto phase_ins;
|
|
}
|
|
if (j == 0x0a) {
|
|
goto phase_cmds;
|
|
}
|
|
if (j == 0x0e) {
|
|
goto try_sync;
|
|
}
|
|
continue;
|
|
phase_outs:
|
|
atp_writeb_io(dev, c, 0x18, 0x20);
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) {
|
|
if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0x00)
|
|
atp_writeb_io(dev, c, 0x19, 0x00);
|
|
cpu_relax();
|
|
}
|
|
j = atp_readb_io(dev, c, 0x17);
|
|
if (j == 0x85) {
|
|
goto tar_dcons;
|
|
}
|
|
j &= 0x0f;
|
|
if (j == 0x0f) {
|
|
goto phase_ins;
|
|
}
|
|
if (j == 0x0a) {
|
|
goto phase_cmds;
|
|
}
|
|
if (j == 0x0e) {
|
|
goto phase_outs;
|
|
}
|
|
continue;
|
|
phase_ins:
|
|
if (is885(dev) || is880(dev))
|
|
atp_writeb_io(dev, c, 0x14, 0x06);
|
|
else
|
|
atp_writeb_io(dev, c, 0x14, 0xff);
|
|
atp_writeb_io(dev, c, 0x18, 0x20);
|
|
k = 0;
|
|
phase_ins1:
|
|
j = atp_readb_io(dev, c, 0x1f);
|
|
if ((j & 0x01) != 0x00) {
|
|
mbuf[k++] = atp_readb_io(dev, c, 0x19);
|
|
goto phase_ins1;
|
|
}
|
|
if ((j & 0x80) == 0x00) {
|
|
goto phase_ins1;
|
|
}
|
|
|
|
while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00);
|
|
|
|
j = atp_readb_io(dev, c, 0x17);
|
|
if (j == 0x85) {
|
|
goto tar_dcons;
|
|
}
|
|
j &= 0x0f;
|
|
if (j == 0x0f) {
|
|
goto phase_ins;
|
|
}
|
|
if (j == 0x0a) {
|
|
goto phase_cmds;
|
|
}
|
|
if (j == 0x0e) {
|
|
goto phase_outs;
|
|
}
|
|
continue;
|
|
phase_cmds:
|
|
atp_writeb_io(dev, c, 0x10, 0x30);
|
|
tar_dcons:
|
|
atp_writeb_io(dev, c, 0x14, 0x00);
|
|
atp_writeb_io(dev, c, 0x18, 0x08);
|
|
|
|
while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
|
|
cpu_relax();
|
|
|
|
j = atp_readb_io(dev, c, 0x17);
|
|
if (j != 0x16) {
|
|
continue;
|
|
}
|
|
if (mbuf[0] != 0x01) {
|
|
continue;
|
|
}
|
|
if (mbuf[1] != 0x03) {
|
|
continue;
|
|
}
|
|
if (mbuf[4] == 0x00) {
|
|
continue;
|
|
}
|
|
if (mbuf[3] > 0x64) {
|
|
continue;
|
|
}
|
|
if (is885(dev) || is880(dev)) {
|
|
if (mbuf[4] > 0x0e) {
|
|
mbuf[4] = 0x0e;
|
|
}
|
|
} else {
|
|
if (mbuf[4] > 0x0c) {
|
|
mbuf[4] = 0x0c;
|
|
}
|
|
}
|
|
dev->id[c][i].devsp = mbuf[4];
|
|
if (is885(dev) || is880(dev))
|
|
if (mbuf[3] < 0x0c) {
|
|
j = 0xb0;
|
|
goto set_syn_ok;
|
|
}
|
|
if ((mbuf[3] < 0x0d) && (rmb == 0)) {
|
|
j = 0xa0;
|
|
goto set_syn_ok;
|
|
}
|
|
if (mbuf[3] < 0x1a) {
|
|
j = 0x20;
|
|
goto set_syn_ok;
|
|
}
|
|
if (mbuf[3] < 0x33) {
|
|
j = 0x40;
|
|
goto set_syn_ok;
|
|
}
|
|
if (mbuf[3] < 0x4c) {
|
|
j = 0x50;
|
|
goto set_syn_ok;
|
|
}
|
|
j = 0x60;
|
|
set_syn_ok:
|
|
dev->id[c][i].devsp = (dev->id[c][i].devsp & 0x0f) | j;
|
|
#ifdef ED_DBGP
|
|
printk("dev->id[%2d][%2d].devsp = %2x\n",
|
|
c,i,dev->id[c][i].devsp);
|
|
#endif
|
|
}
|
|
}
|