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linux_dsm_epyc7002/drivers/scsi/atp870u.c
Finn Thain 35c3363363 scsi: core: Clean up SG_NONE 
Remove SG_NONE and a related misleading comment. Update documentation.

This patch does not affect behaviour as zero initialization is redundant.

Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Viresh Kumar <vireshk@kernel.org>
Cc: Oliver Neukum <oneukum@suse.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: usb-storage@lists.one-eyed-alien.net
Link: https://lore.kernel.org/r/b4779b7a6563f6bd8d259ee457871c1c463c420e.1572656814.git.fthain@telegraphics.com.au
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-11-12 22:21:35 -05:00

2317 lines
59 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 1997 Wu Ching Chen
* 2.1.x update (C) 1998 Krzysztof G. Baranowski
* 2.5.x update (C) 2002 Red Hat
* 2.6.x update (C) 2004 Red Hat
*
* Marcelo Tosatti <marcelo@conectiva.com.br> : SMP fixes
*
* Wu Ching Chen : NULL pointer fixes 2000/06/02
* support atp876 chip
* enable 32 bit fifo transfer
* support cdrom & remove device run ultra speed
* fix disconnect bug 2000/12/21
* support atp880 chip lvd u160 2001/05/15
* fix prd table bug 2001/09/12 (7.1)
*
* atp885 support add by ACARD Hao Ping Lian 2005/01/05
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/proc_fs.h>
#include <linux/spinlock.h>
#include <linux/pci.h>
#include <linux/blkdev.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <asm/io.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include "atp870u.h"
static struct scsi_host_template atp870u_template;
static void send_s870(struct atp_unit *dev,unsigned char c);
static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip, unsigned char lvdmode);
static inline void atp_writeb_base(struct atp_unit *atp, u8 reg, u8 val)
{
outb(val, atp->baseport + reg);
}
static inline void atp_writew_base(struct atp_unit *atp, u8 reg, u16 val)
{
outw(val, atp->baseport + reg);
}
static inline void atp_writeb_io(struct atp_unit *atp, u8 channel, u8 reg, u8 val)
{
outb(val, atp->ioport[channel] + reg);
}
static inline void atp_writew_io(struct atp_unit *atp, u8 channel, u8 reg, u16 val)
{
outw(val, atp->ioport[channel] + reg);
}
static inline void atp_writeb_pci(struct atp_unit *atp, u8 channel, u8 reg, u8 val)
{
outb(val, atp->pciport[channel] + reg);
}
static inline void atp_writel_pci(struct atp_unit *atp, u8 channel, u8 reg, u32 val)
{
outl(val, atp->pciport[channel] + reg);
}
static inline u8 atp_readb_base(struct atp_unit *atp, u8 reg)
{
return inb(atp->baseport + reg);
}
static inline u16 atp_readw_base(struct atp_unit *atp, u8 reg)
{
return inw(atp->baseport + reg);
}
static inline u32 atp_readl_base(struct atp_unit *atp, u8 reg)
{
return inl(atp->baseport + reg);
}
static inline u8 atp_readb_io(struct atp_unit *atp, u8 channel, u8 reg)
{
return inb(atp->ioport[channel] + reg);
}
static inline u16 atp_readw_io(struct atp_unit *atp, u8 channel, u8 reg)
{
return inw(atp->ioport[channel] + reg);
}
static inline u8 atp_readb_pci(struct atp_unit *atp, u8 channel, u8 reg)
{
return inb(atp->pciport[channel] + reg);
}
static inline bool is880(struct atp_unit *atp)
{
return atp->pdev->device == ATP880_DEVID1 ||
atp->pdev->device == ATP880_DEVID2;
}
static inline bool is885(struct atp_unit *atp)
{
return atp->pdev->device == ATP885_DEVID;
}
static irqreturn_t atp870u_intr_handle(int irq, void *dev_id)
{
unsigned long flags;
unsigned short int id;
unsigned char i, j, c, target_id, lun,cmdp;
unsigned char *prd;
struct scsi_cmnd *workreq;
unsigned long adrcnt, k;
#ifdef ED_DBGP
unsigned long l;
#endif
struct Scsi_Host *host = dev_id;
struct atp_unit *dev = (struct atp_unit *)&host->hostdata;
for (c = 0; c < 2; c++) {
j = atp_readb_io(dev, c, 0x1f);
if ((j & 0x80) != 0)
break;
dev->in_int[c] = 0;
}
if ((j & 0x80) == 0)
return IRQ_NONE;
#ifdef ED_DBGP
printk("atp870u_intr_handle enter\n");
#endif
dev->in_int[c] = 1;
cmdp = atp_readb_io(dev, c, 0x10);
if (dev->working[c] != 0) {
if (is885(dev)) {
if ((atp_readb_io(dev, c, 0x16) & 0x80) == 0)
atp_writeb_io(dev, c, 0x16, (atp_readb_io(dev, c, 0x16) | 0x80));
}
if ((atp_readb_pci(dev, c, 0x00) & 0x08) != 0)
{
for (k=0; k < 1000; k++) {
if ((atp_readb_pci(dev, c, 2) & 0x08) == 0)
break;
if ((atp_readb_pci(dev, c, 2) & 0x01) == 0)
break;
}
}
atp_writeb_pci(dev, c, 0, 0x00);
i = atp_readb_io(dev, c, 0x17);
if (is885(dev))
atp_writeb_pci(dev, c, 2, 0x06);
target_id = atp_readb_io(dev, c, 0x15);
/*
* Remap wide devices onto id numbers
*/
if ((target_id & 0x40) != 0) {
target_id = (target_id & 0x07) | 0x08;
} else {
target_id &= 0x07;
}
if ((j & 0x40) != 0) {
if (dev->last_cmd[c] == 0xff) {
dev->last_cmd[c] = target_id;
}
dev->last_cmd[c] |= 0x40;
}
if (is885(dev))
dev->r1f[c][target_id] |= j;
#ifdef ED_DBGP
printk("atp870u_intr_handle status = %x\n",i);
#endif
if (i == 0x85) {
if ((dev->last_cmd[c] & 0xf0) != 0x40) {
dev->last_cmd[c] = 0xff;
}
if (is885(dev)) {
adrcnt = 0;
((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12);
((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13);
((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14);
if (dev->id[c][target_id].last_len != adrcnt) {
k = dev->id[c][target_id].last_len;
k -= adrcnt;
dev->id[c][target_id].tran_len = k;
dev->id[c][target_id].last_len = adrcnt;
}
#ifdef ED_DBGP
printk("dev->id[c][target_id].last_len = %d dev->id[c][target_id].tran_len = %d\n",dev->id[c][target_id].last_len,dev->id[c][target_id].tran_len);
#endif
}
/*
* Flip 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);
}
/*
* Issue more commands
*/
spin_lock_irqsave(dev->host->host_lock, flags);
if (((dev->quhd[c] != dev->quend[c]) || (dev->last_cmd[c] != 0xff)) &&
(dev->in_snd[c] == 0)) {
#ifdef ED_DBGP
printk("Call sent_s870\n");
#endif
send_s870(dev,c);
}
spin_unlock_irqrestore(dev->host->host_lock, flags);
/*
* Done
*/
dev->in_int[c] = 0;
#ifdef ED_DBGP
printk("Status 0x85 return\n");
#endif
return IRQ_HANDLED;
}
if (i == 0x40) {
dev->last_cmd[c] |= 0x40;
dev->in_int[c] = 0;
return IRQ_HANDLED;
}
if (i == 0x21) {
if ((dev->last_cmd[c] & 0xf0) != 0x40) {
dev->last_cmd[c] = 0xff;
}
adrcnt = 0;
((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12);
((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13);
((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14);
k = dev->id[c][target_id].last_len;
k -= adrcnt;
dev->id[c][target_id].tran_len = k;
dev->id[c][target_id].last_len = adrcnt;
atp_writeb_io(dev, c, 0x10, 0x41);
atp_writeb_io(dev, c, 0x18, 0x08);
dev->in_int[c] = 0;
return IRQ_HANDLED;
}
if (is885(dev)) {
if ((i == 0x4c) || (i == 0x4d) || (i == 0x8c) || (i == 0x8d)) {
if ((i == 0x4c) || (i == 0x8c))
i=0x48;
else
i=0x49;
}
}
if ((i == 0x80) || (i == 0x8f)) {
#ifdef ED_DBGP
printk(KERN_DEBUG "Device reselect\n");
#endif
lun = 0;
if (cmdp == 0x44 || i == 0x80)
lun = atp_readb_io(dev, c, 0x1d) & 0x07;
else {
if ((dev->last_cmd[c] & 0xf0) != 0x40) {
dev->last_cmd[c] = 0xff;
}
if (cmdp == 0x41) {
#ifdef ED_DBGP
printk("cmdp = 0x41\n");
#endif
adrcnt = 0;
((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12);
((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13);
((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14);
k = dev->id[c][target_id].last_len;
k -= adrcnt;
dev->id[c][target_id].tran_len = k;
dev->id[c][target_id].last_len = adrcnt;
atp_writeb_io(dev, c, 0x18, 0x08);
dev->in_int[c] = 0;
return IRQ_HANDLED;
} else {
#ifdef ED_DBGP
printk("cmdp != 0x41\n");
#endif
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;
}
}
if (dev->last_cmd[c] != 0xff) {
dev->last_cmd[c] |= 0x40;
}
if (is885(dev)) {
j = atp_readb_base(dev, 0x29) & 0xfe;
atp_writeb_base(dev, 0x29, j);
} else
atp_writeb_io(dev, c, 0x10, 0x45);
target_id = atp_readb_io(dev, c, 0x16);
/*
* Remap wide identifiers
*/
if ((target_id & 0x10) != 0) {
target_id = (target_id & 0x07) | 0x08;
} else {
target_id &= 0x07;
}
if (is885(dev))
atp_writeb_io(dev, c, 0x10, 0x45);
workreq = dev->id[c][target_id].curr_req;
#ifdef ED_DBGP
scmd_printk(KERN_DEBUG, workreq, "CDB");
for (l = 0; l < workreq->cmd_len; l++)
printk(KERN_DEBUG " %x",workreq->cmnd[l]);
printk("\n");
#endif
atp_writeb_io(dev, c, 0x0f, lun);
atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp);
adrcnt = dev->id[c][target_id].tran_len;
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]);
#ifdef ED_DBGP
printk("k %x, k[0] 0x%x k[1] 0x%x k[2] 0x%x\n", k, atp_readb_io(dev, c, 0x14), atp_readb_io(dev, c, 0x13), atp_readb_io(dev, c, 0x12));
#endif
/* Remap wide */
j = target_id;
if (target_id > 7) {
j = (j & 0x07) | 0x40;
}
/* Add direction */
j |= dev->id[c][target_id].dirct;
atp_writeb_io(dev, c, 0x15, j);
atp_writeb_io(dev, c, 0x16, 0x80);
/* enable 32 bit fifo transfer */
if (is885(dev)) {
i = atp_readb_pci(dev, c, 1) & 0xf3;
//j=workreq->cmnd[0];
if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) {
i |= 0x0c;
}
atp_writeb_pci(dev, c, 1, i);
} else if (is880(dev)) {
if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a))
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] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a))
atp_writeb_base(dev, 0x3a, (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08);
else
atp_writeb_base(dev, 0x3a, atp_readb_base(dev, 0x3a) & 0xf3);
}
j = 0;
id = 1;
id = id << target_id;
/*
* Is this a wide device
*/
if ((id & 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_io(dev, c, 0x1b, j);
if (dev->id[c][target_id].last_len == 0) {
atp_writeb_io(dev, c, 0x18, 0x08);
dev->in_int[c] = 0;
#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 = 0x02;
}
} else
workreq->result = 0x02;
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);
(*workreq->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 - Queue SCSI command
* @req_p: request block
* @done: completion function
*
* 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 *))
{
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 = 0x00040000;
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 = 0x00040000;
done(req_p);
return 0;
}
if (done) {
req_p->scsi_done = done;
} else {
#ifdef ED_DBGP
printk( "atp870u_queuecommand: done can't be NULL\n");
#endif
req_p->result = 0;
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 = 0x00020000;
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
* @host: host
*
* 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] == 0x00) {
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] == 0x08) || (workreq->cmnd[0] == 0x28) ||
(workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) {
j |= 0x0c;
}
atp_writeb_pci(dev, c, 1, j);
} else if (is880(dev)) {
if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a))
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] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a))
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_LICENSE("GPL");
static 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
}
}
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