1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 1997 Wu Ching Chen
4 * 2.1.x update (C) 1998 Krzysztof G. Baranowski
5 * 2.5.x update (C) 2002 Red Hat
6 * 2.6.x update (C) 2004 Red Hat
8 * Marcelo Tosatti <marcelo@conectiva.com.br> : SMP fixes
10 * Wu Ching Chen : NULL pointer fixes 2000/06/02
12 * enable 32 bit fifo transfer
13 * support cdrom & remove device run ultra speed
14 * fix disconnect bug 2000/12/21
15 * support atp880 chip lvd u160 2001/05/15
16 * fix prd table bug 2001/09/12 (7.1)
18 * atp885 support add by ACARD Hao Ping Lian 2005/01/05
20 #include <linux/module.h>
21 #include <linux/init.h>
22 #include <linux/interrupt.h>
23 #include <linux/kernel.h>
24 #include <linux/types.h>
25 #include <linux/string.h>
26 #include <linux/ioport.h>
27 #include <linux/delay.h>
28 #include <linux/proc_fs.h>
29 #include <linux/spinlock.h>
30 #include <linux/pci.h>
31 #include <linux/blkdev.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/slab.h>
36 #include <scsi/scsi.h>
37 #include <scsi/scsi_cmnd.h>
38 #include <scsi/scsi_device.h>
39 #include <scsi/scsi_host.h>
43 static struct scsi_host_template atp870u_template;
44 static void send_s870(struct atp_unit *dev,unsigned char c);
45 static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip,
46 unsigned char lvdmode);
48 static inline void atp_writeb_base(struct atp_unit *atp, u8 reg, u8 val)
50 outb(val, atp->baseport + reg);
53 static inline void atp_writew_base(struct atp_unit *atp, u8 reg, u16 val)
55 outw(val, atp->baseport + reg);
58 static inline void atp_writeb_io(struct atp_unit *atp, u8 channel, u8 reg, u8 val)
60 outb(val, atp->ioport[channel] + reg);
63 static inline void atp_writew_io(struct atp_unit *atp, u8 channel, u8 reg, u16 val)
65 outw(val, atp->ioport[channel] + reg);
68 static inline void atp_writeb_pci(struct atp_unit *atp, u8 channel, u8 reg, u8 val)
70 outb(val, atp->pciport[channel] + reg);
73 static inline void atp_writel_pci(struct atp_unit *atp, u8 channel, u8 reg, u32 val)
75 outl(val, atp->pciport[channel] + reg);
78 static inline u8 atp_readb_base(struct atp_unit *atp, u8 reg)
80 return inb(atp->baseport + reg);
83 static inline u16 atp_readw_base(struct atp_unit *atp, u8 reg)
85 return inw(atp->baseport + reg);
88 static inline u32 atp_readl_base(struct atp_unit *atp, u8 reg)
90 return inl(atp->baseport + reg);
93 static inline u8 atp_readb_io(struct atp_unit *atp, u8 channel, u8 reg)
95 return inb(atp->ioport[channel] + reg);
98 static inline u16 atp_readw_io(struct atp_unit *atp, u8 channel, u8 reg)
100 return inw(atp->ioport[channel] + reg);
103 static inline u8 atp_readb_pci(struct atp_unit *atp, u8 channel, u8 reg)
105 return inb(atp->pciport[channel] + reg);
108 static inline bool is880(struct atp_unit *atp)
110 return atp->pdev->device == ATP880_DEVID1 ||
111 atp->pdev->device == ATP880_DEVID2;
114 static inline bool is885(struct atp_unit *atp)
116 return atp->pdev->device == ATP885_DEVID;
119 static irqreturn_t atp870u_intr_handle(int irq, void *dev_id)
122 unsigned short int id;
123 unsigned char i, j, c, target_id, lun,cmdp;
125 struct scsi_cmnd *workreq;
126 unsigned long adrcnt, k;
130 struct Scsi_Host *host = dev_id;
131 struct atp_unit *dev = (struct atp_unit *)&host->hostdata;
133 for (c = 0; c < 2; c++) {
134 j = atp_readb_io(dev, c, 0x1f);
142 printk("atp870u_intr_handle enter\n");
145 cmdp = atp_readb_io(dev, c, 0x10);
146 if (dev->working[c] != 0) {
148 if ((atp_readb_io(dev, c, 0x16) & 0x80) == 0)
149 atp_writeb_io(dev, c, 0x16,
150 (atp_readb_io(dev, c, 0x16) | 0x80));
152 if ((atp_readb_pci(dev, c, 0x00) & 0x08) != 0)
154 for (k=0; k < 1000; k++) {
155 if ((atp_readb_pci(dev, c, 2) & 0x08) == 0)
157 if ((atp_readb_pci(dev, c, 2) & 0x01) == 0)
161 atp_writeb_pci(dev, c, 0, 0x00);
163 i = atp_readb_io(dev, c, 0x17);
166 atp_writeb_pci(dev, c, 2, 0x06);
168 target_id = atp_readb_io(dev, c, 0x15);
171 * Remap wide devices onto id numbers
174 if ((target_id & 0x40) != 0) {
175 target_id = (target_id & 0x07) | 0x08;
180 if ((j & 0x40) != 0) {
181 if (dev->last_cmd[c] == 0xff) {
182 dev->last_cmd[c] = target_id;
184 dev->last_cmd[c] |= 0x40;
187 dev->r1f[c][target_id] |= j;
189 printk("atp870u_intr_handle status = %x\n",i);
192 if ((dev->last_cmd[c] & 0xf0) != 0x40) {
193 dev->last_cmd[c] = 0xff;
197 ((unsigned char *) &adrcnt)[2] =
198 atp_readb_io(dev, c, 0x12);
199 ((unsigned char *) &adrcnt)[1] =
200 atp_readb_io(dev, c, 0x13);
201 ((unsigned char *) &adrcnt)[0] =
202 atp_readb_io(dev, c, 0x14);
203 if (dev->id[c][target_id].last_len != adrcnt) {
204 k = dev->id[c][target_id].last_len;
206 dev->id[c][target_id].tran_len = k;
207 dev->id[c][target_id].last_len = adrcnt;
210 printk("dev->id[c][target_id].last_len = %d "
211 "dev->id[c][target_id].tran_len = %d\n",
212 dev->id[c][target_id].last_len,
213 dev->id[c][target_id].tran_len);
220 if (dev->wide_id[c] != 0) {
221 atp_writeb_io(dev, c, 0x1b, 0x01);
222 while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01)
223 atp_writeb_io(dev, c, 0x1b, 0x01);
226 * Issue more commands
228 spin_lock_irqsave(dev->host->host_lock, flags);
229 if (((dev->quhd[c] != dev->quend[c]) ||
230 (dev->last_cmd[c] != 0xff)) &&
231 (dev->in_snd[c] == 0)) {
233 printk("Call sent_s870\n");
237 spin_unlock_irqrestore(dev->host->host_lock, flags);
243 printk("Status 0x85 return\n");
249 dev->last_cmd[c] |= 0x40;
255 if ((dev->last_cmd[c] & 0xf0) != 0x40) {
256 dev->last_cmd[c] = 0xff;
259 ((unsigned char *) &adrcnt)[2] =
260 atp_readb_io(dev, c, 0x12);
261 ((unsigned char *) &adrcnt)[1] =
262 atp_readb_io(dev, c, 0x13);
263 ((unsigned char *) &adrcnt)[0] =
264 atp_readb_io(dev, c, 0x14);
265 k = dev->id[c][target_id].last_len;
267 dev->id[c][target_id].tran_len = k;
268 dev->id[c][target_id].last_len = adrcnt;
269 atp_writeb_io(dev, c, 0x10, 0x41);
270 atp_writeb_io(dev, c, 0x18, 0x08);
276 if ((i == 0x4c) || (i == 0x4d) || (i == 0x8c) || (i == 0x8d)) {
277 if ((i == 0x4c) || (i == 0x8c))
283 if ((i == 0x80) || (i == 0x8f)) {
285 printk(KERN_DEBUG "Device reselect\n");
288 if (cmdp == 0x44 || i == 0x80)
289 lun = atp_readb_io(dev, c, 0x1d) & 0x07;
291 if ((dev->last_cmd[c] & 0xf0) != 0x40) {
292 dev->last_cmd[c] = 0xff;
296 printk("cmdp = 0x41\n");
299 ((unsigned char *) &adrcnt)[2] =
300 atp_readb_io(dev, c, 0x12);
301 ((unsigned char *) &adrcnt)[1] =
302 atp_readb_io(dev, c, 0x13);
303 ((unsigned char *) &adrcnt)[0] =
304 atp_readb_io(dev, c, 0x14);
305 k = dev->id[c][target_id].last_len;
307 dev->id[c][target_id].tran_len = k;
308 dev->id[c][target_id].last_len = adrcnt;
309 atp_writeb_io(dev, c, 0x18, 0x08);
314 printk("cmdp != 0x41\n");
316 atp_writeb_io(dev, c, 0x10, 0x46);
317 dev->id[c][target_id].dirct = 0x00;
318 atp_writeb_io(dev, c, 0x12, 0x00);
319 atp_writeb_io(dev, c, 0x13, 0x00);
320 atp_writeb_io(dev, c, 0x14, 0x00);
321 atp_writeb_io(dev, c, 0x18, 0x08);
326 if (dev->last_cmd[c] != 0xff) {
327 dev->last_cmd[c] |= 0x40;
330 j = atp_readb_base(dev, 0x29) & 0xfe;
331 atp_writeb_base(dev, 0x29, j);
333 atp_writeb_io(dev, c, 0x10, 0x45);
335 target_id = atp_readb_io(dev, c, 0x16);
337 * Remap wide identifiers
339 if ((target_id & 0x10) != 0) {
340 target_id = (target_id & 0x07) | 0x08;
345 atp_writeb_io(dev, c, 0x10, 0x45);
346 workreq = dev->id[c][target_id].curr_req;
348 scmd_printk(KERN_DEBUG, workreq, "CDB");
349 for (l = 0; l < workreq->cmd_len; l++)
350 printk(KERN_DEBUG " %x",workreq->cmnd[l]);
354 atp_writeb_io(dev, c, 0x0f, lun);
355 atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp);
356 adrcnt = dev->id[c][target_id].tran_len;
357 k = dev->id[c][target_id].last_len;
359 atp_writeb_io(dev, c, 0x12, ((unsigned char *) &k)[2]);
360 atp_writeb_io(dev, c, 0x13, ((unsigned char *) &k)[1]);
361 atp_writeb_io(dev, c, 0x14, ((unsigned char *) &k)[0]);
363 printk("k %x, k[0] 0x%x k[1] 0x%x k[2] 0x%x\n", k,
364 atp_readb_io(dev, c, 0x14),
365 atp_readb_io(dev, c, 0x13),
366 atp_readb_io(dev, c, 0x12));
371 j = (j & 0x07) | 0x40;
374 j |= dev->id[c][target_id].dirct;
375 atp_writeb_io(dev, c, 0x15, j);
376 atp_writeb_io(dev, c, 0x16, 0x80);
378 /* enable 32 bit fifo transfer */
380 i = atp_readb_pci(dev, c, 1) & 0xf3;
381 //j=workreq->cmnd[0];
382 if ((workreq->cmnd[0] == READ_6) ||
383 (workreq->cmnd[0] == READ_10) ||
384 (workreq->cmnd[0] == WRITE_6) ||
385 (workreq->cmnd[0] == WRITE_10)) {
388 atp_writeb_pci(dev, c, 1, i);
389 } else if (is880(dev)) {
390 if ((workreq->cmnd[0] == READ_6) ||
391 (workreq->cmnd[0] == READ_10) ||
392 (workreq->cmnd[0] == WRITE_6) ||
393 (workreq->cmnd[0] == WRITE_10))
394 atp_writeb_base(dev, 0x3b,
395 (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0);
397 atp_writeb_base(dev, 0x3b,
398 atp_readb_base(dev, 0x3b) & 0x3f);
400 if ((workreq->cmnd[0] == READ_6) ||
401 (workreq->cmnd[0] == READ_10) ||
402 (workreq->cmnd[0] == WRITE_6) ||
403 (workreq->cmnd[0] == WRITE_10))
404 atp_writeb_base(dev, 0x3a,
405 (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08);
407 atp_writeb_base(dev, 0x3a,
408 atp_readb_base(dev, 0x3a) & 0xf3);
412 id = id << target_id;
414 * Is this a wide device
416 if ((id & dev->wide_id[c]) != 0) {
419 atp_writeb_io(dev, c, 0x1b, j);
420 while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j)
421 atp_writeb_io(dev, c, 0x1b, j);
422 if (dev->id[c][target_id].last_len == 0) {
423 atp_writeb_io(dev, c, 0x18, 0x08);
426 printk("dev->id[c][target_id].last_len = 0\n");
431 printk("target_id = %d adrcnt = %d\n",target_id,adrcnt);
433 prd = dev->id[c][target_id].prd_pos;
434 while (adrcnt != 0) {
435 id = ((unsigned short int *)prd)[2];
442 ((unsigned short int *)prd)[2] =
443 (unsigned short int)(k - adrcnt);
444 ((unsigned long *)prd)[0] += adrcnt;
446 dev->id[c][target_id].prd_pos = prd;
449 dev->id[c][target_id].prdaddr += 0x08;
452 dev->id[c][target_id].prd_pos = prd;
456 atp_writel_pci(dev, c, 0x04, dev->id[c][target_id].prdaddr);
458 printk("dev->id[%d][%d].prdaddr 0x%8x\n",
459 c, target_id, dev->id[c][target_id].prdaddr);
462 atp_writeb_pci(dev, c, 2, 0x06);
463 atp_writeb_pci(dev, c, 2, 0x00);
466 * Check transfer direction
468 if (dev->id[c][target_id].dirct != 0) {
469 atp_writeb_io(dev, c, 0x18, 0x08);
470 atp_writeb_pci(dev, c, 0, 0x01);
473 printk("status 0x80 return dirct != 0\n");
477 atp_writeb_io(dev, c, 0x18, 0x08);
478 atp_writeb_pci(dev, c, 0, 0x09);
481 printk("status 0x80 return dirct = 0\n");
487 * Current scsi request on this target
490 workreq = dev->id[c][target_id].curr_req;
492 if (i == 0x42 || i == 0x16) {
493 if ((dev->last_cmd[c] & 0xf0) != 0x40) {
494 dev->last_cmd[c] = 0xff;
497 workreq->result = atp_readb_io(dev, c, 0x0f);
498 if (((dev->r1f[c][target_id] & 0x10) != 0) && is885(dev)) {
499 printk(KERN_WARNING "AEC67162 CRC ERROR !\n");
500 workreq->result = SAM_STAT_CHECK_CONDITION;
503 workreq->result = SAM_STAT_CHECK_CONDITION;
506 j = atp_readb_base(dev, 0x29) | 0x01;
507 atp_writeb_base(dev, 0x29, j);
510 * Complete the command
512 scsi_dma_unmap(workreq);
514 spin_lock_irqsave(dev->host->host_lock, flags);
515 (*workreq->scsi_done) (workreq);
517 printk("workreq->scsi_done\n");
520 * Clear it off the queue
522 dev->id[c][target_id].curr_req = NULL;
524 spin_unlock_irqrestore(dev->host->host_lock, flags);
528 if (dev->wide_id[c] != 0) {
529 atp_writeb_io(dev, c, 0x1b, 0x01);
530 while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01)
531 atp_writeb_io(dev, c, 0x1b, 0x01);
534 * If there is stuff to send and nothing going then send it
536 spin_lock_irqsave(dev->host->host_lock, flags);
537 if (((dev->last_cmd[c] != 0xff) ||
538 (dev->quhd[c] != dev->quend[c])) &&
539 (dev->in_snd[c] == 0)) {
541 printk("Call sent_s870(scsi_done)\n");
545 spin_unlock_irqrestore(dev->host->host_lock, flags);
549 if ((dev->last_cmd[c] & 0xf0) != 0x40) {
550 dev->last_cmd[c] = 0xff;
557 atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr);
558 atp_writeb_pci(dev, c, 2, 0x06);
559 atp_writeb_pci(dev, c, 2, 0x00);
560 atp_writeb_io(dev, c, 0x10, 0x41);
562 k = dev->id[c][target_id].last_len;
563 atp_writeb_io(dev, c, 0x12,
564 ((unsigned char *) (&k))[2]);
565 atp_writeb_io(dev, c, 0x13,
566 ((unsigned char *) (&k))[1]);
567 atp_writeb_io(dev, c, 0x14,
568 ((unsigned char *) (&k))[0]);
569 dev->id[c][target_id].dirct = 0x00;
571 dev->id[c][target_id].dirct = 0x00;
573 atp_writeb_io(dev, c, 0x18, 0x08);
574 atp_writeb_pci(dev, c, 0, 0x09);
579 atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr);
580 atp_writeb_pci(dev, c, 2, 0x06);
581 atp_writeb_pci(dev, c, 2, 0x00);
582 atp_writeb_io(dev, c, 0x10, 0x41);
584 k = dev->id[c][target_id].last_len;
585 atp_writeb_io(dev, c, 0x12,
586 ((unsigned char *) (&k))[2]);
587 atp_writeb_io(dev, c, 0x13,
588 ((unsigned char *) (&k))[1]);
589 atp_writeb_io(dev, c, 0x14,
590 ((unsigned char *) (&k))[0]);
592 atp_writeb_io(dev, c, 0x15,
593 atp_readb_io(dev, c, 0x15) | 0x20);
594 dev->id[c][target_id].dirct = 0x20;
595 atp_writeb_io(dev, c, 0x18, 0x08);
596 atp_writeb_pci(dev, c, 0, 0x01);
601 atp_writeb_io(dev, c, 0x10, 0x30);
603 atp_writeb_io(dev, c, 0x10, 0x46);
604 dev->id[c][target_id].dirct = 0x00;
605 atp_writeb_io(dev, c, 0x12, 0x00);
606 atp_writeb_io(dev, c, 0x13, 0x00);
607 atp_writeb_io(dev, c, 0x14, 0x00);
608 atp_writeb_io(dev, c, 0x18, 0x08);
615 * atp870u_queuecommand_lck - Queue SCSI command
616 * @req_p: request block
617 * @done: completion function
619 * Queue a command to the ATP queue. Called with the host lock held.
621 static int atp870u_queuecommand_lck(struct scsi_cmnd *req_p,
622 void (*done) (struct scsi_cmnd *))
626 struct atp_unit *dev;
627 struct Scsi_Host *host;
629 c = scmd_channel(req_p);
630 req_p->sense_buffer[0]=0;
631 scsi_set_resid(req_p, 0);
632 if (scmd_channel(req_p) > 1) {
633 req_p->result = DID_BAD_TARGET << 16;
636 printk("atp870u_queuecommand : req_p->device->channel > 1\n");
641 host = req_p->device->host;
642 dev = (struct atp_unit *)&host->hostdata;
645 m = m << scmd_id(req_p);
648 * Fake a timeout for missing targets
651 if ((m & dev->active_id[c]) == 0) {
652 req_p->result = DID_BAD_TARGET << 16;
658 req_p->scsi_done = done;
661 printk( "atp870u_queuecommand: done can't be NULL\n");
672 if (dev->quend[c] >= qcnt) {
679 if (dev->quhd[c] == dev->quend[c]) {
680 if (dev->quend[c] == 0) {
681 dev->quend[c] = qcnt;
684 printk("atp870u_queuecommand : dev->quhd[c] == dev->quend[c]\n");
687 req_p->result = DID_BUS_BUSY << 16;
691 dev->quereq[c][dev->quend[c]] = req_p;
693 printk("dev->ioport[c] = %x atp_readb_io(dev, c, 0x1c) = %x "
694 "dev->in_int[%d] = %d dev->in_snd[%d] = %d\n",
695 dev->ioport[c], atp_readb_io(dev, c, 0x1c), c,
696 dev->in_int[c],c,dev->in_snd[c]);
698 if ((atp_readb_io(dev, c, 0x1c) == 0) &&
699 (dev->in_int[c] == 0) &&
700 (dev->in_snd[c] == 0)) {
702 printk("Call sent_s870(atp870u_queuecommand)\n");
707 printk("atp870u_queuecommand : exit\n");
712 static DEF_SCSI_QCMD(atp870u_queuecommand)
715 * send_s870 - send a command to the controller
717 * On entry there is work queued to be done. We move some of that work to the
720 * Caller holds the host lock.
722 static void send_s870(struct atp_unit *dev, unsigned char c)
724 struct scsi_cmnd *workreq = NULL;
726 unsigned char j, target_id;
728 unsigned short int w;
729 unsigned long l, bttl = 0;
730 unsigned long sg_count;
732 if (dev->in_snd[c] != 0) {
734 printk("cmnd in_snd\n");
739 printk("Sent_s870 enter\n");
742 if ((dev->last_cmd[c] != 0xff) && ((dev->last_cmd[c] & 0x40) != 0)) {
743 dev->last_cmd[c] &= 0x0f;
744 workreq = dev->id[c][dev->last_cmd[c]].curr_req;
746 dev->last_cmd[c] = 0xff;
747 if (dev->quhd[c] == dev->quend[c]) {
754 if ((dev->last_cmd[c] != 0xff) && (dev->working[c] != 0)) {
761 if (dev->quhd[c] >= qcnt)
763 workreq = dev->quereq[c][dev->quhd[c]];
764 if (dev->id[c][scmd_id(workreq)].curr_req != NULL) {
770 dev->id[c][scmd_id(workreq)].curr_req = workreq;
771 dev->last_cmd[c] = scmd_id(workreq);
773 if ((atp_readb_io(dev, c, 0x1f) & 0xb0) != 0 ||
774 atp_readb_io(dev, c, 0x1c) != 0) {
776 printk("Abort to Send\n");
778 dev->last_cmd[c] |= 0x40;
783 printk("OK to Send\n");
784 scmd_printk(KERN_DEBUG, workreq, "CDB");
785 for(i=0;i<workreq->cmd_len;i++) {
786 printk(" %x",workreq->cmnd[i]);
790 l = scsi_bufflen(workreq);
793 j = atp_readb_base(dev, 0x29) & 0xfe;
794 atp_writeb_base(dev, 0x29, j);
795 dev->r1f[c][scmd_id(workreq)] = 0;
798 if (workreq->cmnd[0] == READ_CAPACITY) {
802 if (workreq->cmnd[0] == TEST_UNIT_READY) {
807 target_id = scmd_id(workreq);
814 if ((w & dev->wide_id[c]) != 0) {
817 atp_writeb_io(dev, c, 0x1b, j);
818 while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j) {
819 atp_writeb_pci(dev, c, 0x1b, j);
821 printk("send_s870 while loop 1\n");
828 atp_writeb_io(dev, c, 0x00, workreq->cmd_len);
829 atp_writeb_io(dev, c, 0x01, 0x2c);
831 atp_writeb_io(dev, c, 0x02, 0x7f);
833 atp_writeb_io(dev, c, 0x02, 0xcf);
834 for (i = 0; i < workreq->cmd_len; i++)
835 atp_writeb_io(dev, c, 0x03 + i, workreq->cmnd[i]);
836 atp_writeb_io(dev, c, 0x0f, workreq->device->lun);
840 atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp);
842 printk("dev->id[%d][%d].devsp = %2x\n",c,target_id,
843 dev->id[c][target_id].devsp);
846 sg_count = scsi_dma_map(workreq);
848 * Write transfer size
850 atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&l))[2]);
851 atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&l))[1]);
852 atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&l))[0]);
854 dev->id[c][j].last_len = l;
855 dev->id[c][j].tran_len = 0;
857 printk("dev->id[%2d][%2d].last_len = %d\n",c,j,dev->id[c][j].last_len);
862 if ((j & 0x08) != 0) {
863 j = (j & 0x07) | 0x40;
866 * Check transfer direction
868 if (workreq->sc_data_direction == DMA_TO_DEVICE)
869 atp_writeb_io(dev, c, 0x15, j | 0x20);
871 atp_writeb_io(dev, c, 0x15, j);
872 atp_writeb_io(dev, c, 0x16, atp_readb_io(dev, c, 0x16) | 0x80);
873 atp_writeb_io(dev, c, 0x16, 0x80);
874 dev->id[c][target_id].dirct = 0;
876 if (atp_readb_io(dev, c, 0x1c) == 0) {
878 printk("change SCSI_CMD_REG 0x08\n");
880 atp_writeb_io(dev, c, 0x18, 0x08);
882 dev->last_cmd[c] |= 0x40;
886 prd = dev->id[c][target_id].prd_table;
887 dev->id[c][target_id].prd_pos = prd;
890 * Now write the request list. Either as scatter/gather or as
895 struct scatterlist *sgpnt;
897 scsi_for_each_sg(workreq, sgpnt, sg_count, j) {
898 bttl = sg_dma_address(sgpnt);
901 printk("1. bttl %x, l %x\n",bttl, l);
903 while (l > 0x10000) {
904 (((u16 *) (prd))[i + 3]) = 0x0000;
905 (((u16 *) (prd))[i + 2]) = 0x0000;
906 (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl);
911 (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl);
912 (((u16 *) (prd))[i + 2]) = cpu_to_le16(l);
913 (((u16 *) (prd))[i + 3]) = 0;
916 (((u16 *) (prd))[i - 1]) = cpu_to_le16(0x8000);
918 printk("prd %4x %4x %4x %4x\n",
919 (((unsigned short int *)prd)[0]),
920 (((unsigned short int *)prd)[1]),
921 (((unsigned short int *)prd)[2]),
922 (((unsigned short int *)prd)[3]));
923 printk("2. bttl %x, l %x\n",bttl, l);
927 printk("send_s870: prdaddr_2 0x%8x target_id %d\n",
928 dev->id[c][target_id].prdaddr,target_id);
930 dev->id[c][target_id].prdaddr = dev->id[c][target_id].prd_bus;
931 atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr);
932 atp_writeb_pci(dev, c, 2, 0x06);
933 atp_writeb_pci(dev, c, 2, 0x00);
935 j = atp_readb_pci(dev, c, 1) & 0xf3;
936 if ((workreq->cmnd[0] == READ_6) ||
937 (workreq->cmnd[0] == READ_10) ||
938 (workreq->cmnd[0] == WRITE_6) ||
939 (workreq->cmnd[0] == WRITE_10)) {
942 atp_writeb_pci(dev, c, 1, j);
943 } else if (is880(dev)) {
944 if ((workreq->cmnd[0] == READ_6) ||
945 (workreq->cmnd[0] == READ_10) ||
946 (workreq->cmnd[0] == WRITE_6) ||
947 (workreq->cmnd[0] == WRITE_10))
948 atp_writeb_base(dev, 0x3b,
949 (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0);
951 atp_writeb_base(dev, 0x3b,
952 atp_readb_base(dev, 0x3b) & 0x3f);
954 if ((workreq->cmnd[0] == READ_6) ||
955 (workreq->cmnd[0] == READ_10) ||
956 (workreq->cmnd[0] == WRITE_6) ||
957 (workreq->cmnd[0] == WRITE_10))
958 atp_writeb_base(dev, 0x3a,
959 (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08);
961 atp_writeb_base(dev, 0x3a,
962 atp_readb_base(dev, 0x3a) & 0xf3);
965 if(workreq->sc_data_direction == DMA_TO_DEVICE) {
966 dev->id[c][target_id].dirct = 0x20;
967 if (atp_readb_io(dev, c, 0x1c) == 0) {
968 atp_writeb_io(dev, c, 0x18, 0x08);
969 atp_writeb_pci(dev, c, 0, 0x01);
971 printk( "start DMA(to target)\n");
974 dev->last_cmd[c] |= 0x40;
979 if (atp_readb_io(dev, c, 0x1c) == 0) {
980 atp_writeb_io(dev, c, 0x18, 0x08);
981 atp_writeb_pci(dev, c, 0, 0x09);
983 printk( "start DMA(to host)\n");
986 dev->last_cmd[c] |= 0x40;
993 static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val)
995 unsigned short int i, k;
998 atp_writew_io(dev, 0, 0x1c, *val);
999 for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
1000 k = atp_readw_io(dev, 0, 0x1c);
1001 j = (unsigned char) (k >> 8);
1002 if ((k & 0x8000) != 0) /* DB7 all release? */
1005 *val |= 0x4000; /* assert DB6 */
1006 atp_writew_io(dev, 0, 0x1c, *val);
1007 *val &= 0xdfff; /* assert DB5 */
1008 atp_writew_io(dev, 0, 0x1c, *val);
1009 for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
1010 if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) != 0) /* DB5 all release? */
1013 *val |= 0x8000; /* no DB4-0, assert DB7 */
1015 atp_writew_io(dev, 0, 0x1c, *val);
1016 *val &= 0xbfff; /* release DB6 */
1017 atp_writew_io(dev, 0, 0x1c, *val);
1018 for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
1019 if ((atp_readw_io(dev, 0, 0x1c) & 0x4000) != 0) /* DB6 all release? */
1026 static void tscam(struct Scsi_Host *host, bool wide_chip, u8 scam_on)
1029 unsigned char i, j, k;
1031 unsigned short int m, assignid_map, val;
1032 unsigned char mbuf[33], quintet[2];
1033 struct atp_unit *dev = (struct atp_unit *)&host->hostdata;
1034 static unsigned char g2q_tab[8] = {
1035 0x38, 0x31, 0x32, 0x2b, 0x34, 0x2d, 0x2e, 0x27
1038 /* I can't believe we need this before we've even done anything. Remove it
1039 * and see if anyone bitches.
1040 for (i = 0; i < 0x10; i++) {
1045 atp_writeb_io(dev, 0, 1, 0x08);
1046 atp_writeb_io(dev, 0, 2, 0x7f);
1047 atp_writeb_io(dev, 0, 0x11, 0x20);
1049 if ((scam_on & 0x40) == 0) {
1053 m <<= dev->host_id[0];
1060 atp_writeb_io(dev, 0, 0x02, 0x02); /* 2*2=4ms,3EH 2/32*3E=3.9ms */
1061 atp_writeb_io(dev, 0, 0x03, 0);
1062 atp_writeb_io(dev, 0, 0x04, 0);
1063 atp_writeb_io(dev, 0, 0x05, 0);
1064 atp_writeb_io(dev, 0, 0x06, 0);
1065 atp_writeb_io(dev, 0, 0x07, 0);
1066 atp_writeb_io(dev, 0, 0x08, 0);
1068 for (i = 0; i < j; i++) {
1071 if ((m & assignid_map) != 0) {
1074 atp_writeb_io(dev, 0, 0x0f, 0);
1075 atp_writeb_io(dev, 0, 0x12, 0);
1076 atp_writeb_io(dev, 0, 0x13, 0);
1077 atp_writeb_io(dev, 0, 0x14, 0);
1079 k = (i & 0x07) | 0x40;
1083 atp_writeb_io(dev, 0, 0x15, k);
1085 atp_writeb_io(dev, 0, 0x1b, 0x01);
1087 atp_writeb_io(dev, 0, 0x1b, 0x00);
1089 atp_writeb_io(dev, 0, 0x18, 0x09);
1091 while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0x00)
1093 k = atp_readb_io(dev, 0, 0x17);
1094 if ((k == 0x85) || (k == 0x42))
1097 atp_writeb_io(dev, 0, 0x10, 0x41);
1098 } while (k != 0x16);
1099 if ((k == 0x85) || (k == 0x42))
1104 atp_writeb_io(dev, 0, 0x02, 0x7f);
1105 atp_writeb_io(dev, 0, 0x1b, 0x02);
1109 val = 0x0080; /* bsy */
1110 atp_writew_io(dev, 0, 0x1c, val);
1111 val |= 0x0040; /* sel */
1112 atp_writew_io(dev, 0, 0x1c, val);
1113 val |= 0x0004; /* msg */
1114 atp_writew_io(dev, 0, 0x1c, val);
1115 udelay(2); /* 2 deskew delay(45ns*2=90ns) */
1116 val &= 0x007f; /* no bsy */
1117 atp_writew_io(dev, 0, 0x1c, val);
1119 val &= 0x00fb; /* after 1ms no msg */
1120 atp_writew_io(dev, 0, 0x1c, val);
1121 while ((atp_readb_io(dev, 0, 0x1c) & 0x04) != 0)
1125 for (n = 0; n < 0x30000; n++)
1126 if ((atp_readb_io(dev, 0, 0x1c) & 0x80) != 0) /* bsy ? */
1129 for (n = 0; n < 0x30000; n++)
1130 if ((atp_readb_io(dev, 0, 0x1c) & 0x81) == 0x0081) {
1132 val |= 0x8003; /* io,cd,db7 */
1133 atp_writew_io(dev, 0, 0x1c, val);
1135 val &= 0x00bf; /* no sel */
1136 atp_writew_io(dev, 0, 0x1c, val);
1142 * The funny division into multiple delays is to accomodate
1143 * arches like ARM where udelay() multiplies its argument by
1144 * a large number to initialize a loop counter. To avoid
1145 * overflow, the maximum supported udelay is 2000 microseconds.
1147 * XXX it would be more polite to find a way to use msleep()
1151 if ((atp_readb_io(dev, 0, 0x1c) & 0x80) == 0x00) { /* bsy ? */
1152 atp_writew_io(dev, 0, 0x1c, 0);
1153 atp_writeb_io(dev, 0, 0x1b, 0);
1154 atp_writeb_io(dev, 0, 0x15, 0);
1155 atp_writeb_io(dev, 0, 0x18, 0x09);
1156 while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0)
1158 atp_readb_io(dev, 0, 0x17);
1161 val &= 0x00ff; /* synchronization */
1163 fun_scam(dev, &val);
1165 val &= 0x00ff; /* isolation */
1167 fun_scam(dev, &val);
1173 if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) == 0)
1176 val &= 0x00ff; /* get ID_STRING */
1178 k = fun_scam(dev, &val);
1179 if ((k & 0x03) == 0)
1183 if ((k & 0x02) != 0)
1192 /* isolation complete.. */
1194 printk(" \n%x %x %x %s\n ",assignid_map,mbuf[0],mbuf[1],&mbuf[2]); */
1197 if ((j & 0x20) != 0) { /* bit5=1:ID up to 7 */
1200 if ((j & 0x06) != 0) { /* IDvalid? */
1205 if ((m & assignid_map) == 0)
1213 if ((m & assignid_map) != 0) { /* srch from max acceptable ID# */
1214 k = i; /* max acceptable ID# */
1218 if ((m & assignid_map) == 0)
1229 quintet[0] = 0x38; /* 1st dft ID<8 */
1231 quintet[0] = 0x31; /* 1st ID>=8 */
1234 quintet[1] = g2q_tab[k];
1236 val &= 0x00ff; /* AssignID 1stQuintet,AH=001xxxxx */
1237 m = quintet[0] << 8;
1239 fun_scam(dev, &val);
1240 val &= 0x00ff; /* AssignID 2ndQuintet,AH=001xxxxx */
1241 m = quintet[1] << 8;
1243 fun_scam(dev, &val);
1248 static void atp870u_free_tables(struct Scsi_Host *host)
1250 struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata;
1252 for (j=0; j < 2; j++) {
1253 for (k = 0; k < 16; k++) {
1254 if (!atp_dev->id[j][k].prd_table)
1256 dma_free_coherent(&atp_dev->pdev->dev, 1024,
1257 atp_dev->id[j][k].prd_table,
1258 atp_dev->id[j][k].prd_bus);
1259 atp_dev->id[j][k].prd_table = NULL;
1264 static int atp870u_init_tables(struct Scsi_Host *host)
1266 struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata;
1268 for(c=0;c < 2;c++) {
1270 atp_dev->id[c][k].prd_table =
1271 dma_alloc_coherent(&atp_dev->pdev->dev, 1024,
1272 &(atp_dev->id[c][k].prd_bus),
1274 if (!atp_dev->id[c][k].prd_table) {
1275 printk("atp870u_init_tables fail\n");
1276 atp870u_free_tables(host);
1279 atp_dev->id[c][k].prdaddr = atp_dev->id[c][k].prd_bus;
1280 atp_dev->id[c][k].devsp=0x20;
1281 atp_dev->id[c][k].devtype = 0x7f;
1282 atp_dev->id[c][k].curr_req = NULL;
1285 atp_dev->active_id[c] = 0;
1286 atp_dev->wide_id[c] = 0;
1287 atp_dev->host_id[c] = 0x07;
1288 atp_dev->quhd[c] = 0;
1289 atp_dev->quend[c] = 0;
1290 atp_dev->last_cmd[c] = 0xff;
1291 atp_dev->in_snd[c] = 0;
1292 atp_dev->in_int[c] = 0;
1294 for (k = 0; k < qcnt; k++) {
1295 atp_dev->quereq[c][k] = NULL;
1297 for (k = 0; k < 16; k++) {
1298 atp_dev->id[c][k].curr_req = NULL;
1299 atp_dev->sp[c][k] = 0x04;
1305 static void atp_set_host_id(struct atp_unit *atp, u8 c, u8 host_id)
1307 atp_writeb_io(atp, c, 0, host_id | 0x08);
1308 atp_writeb_io(atp, c, 0x18, 0);
1309 while ((atp_readb_io(atp, c, 0x1f) & 0x80) == 0)
1311 atp_readb_io(atp, c, 0x17);
1312 atp_writeb_io(atp, c, 1, 8);
1313 atp_writeb_io(atp, c, 2, 0x7f);
1314 atp_writeb_io(atp, c, 0x11, 0x20);
1317 static void atp870_init(struct Scsi_Host *shpnt)
1319 struct atp_unit *atpdev = shost_priv(shpnt);
1320 struct pci_dev *pdev = atpdev->pdev;
1321 unsigned char k, host_id;
1324 (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7610 &&
1325 pdev->revision == 4) ||
1326 (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612UW) ||
1327 (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612SUW);
1329 pci_read_config_byte(pdev, 0x49, &host_id);
1331 dev_info(&pdev->dev, "ACARD AEC-671X PCI Ultra/W SCSI-2/3 "
1332 "Host Adapter: IO:%lx, IRQ:%d.\n",
1333 shpnt->io_port, shpnt->irq);
1335 atpdev->ioport[0] = shpnt->io_port;
1336 atpdev->pciport[0] = shpnt->io_port + 0x20;
1338 atpdev->host_id[0] = host_id;
1339 scam_on = atp_readb_pci(atpdev, 0, 2);
1340 atpdev->global_map[0] = atp_readb_base(atpdev, 0x2d);
1341 atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x2e);
1343 if (atpdev->ultra_map[0] == 0) {
1345 atpdev->global_map[0] = 0x20;
1346 atpdev->ultra_map[0] = 0xffff;
1349 if (pdev->revision > 0x07) /* check if atp876 chip */
1350 atp_writeb_base(atpdev, 0x3e, 0x00); /* enable terminator */
1352 k = (atp_readb_base(atpdev, 0x3a) & 0xf3) | 0x10;
1353 atp_writeb_base(atpdev, 0x3a, k);
1354 atp_writeb_base(atpdev, 0x3a, k & 0xdf);
1356 atp_writeb_base(atpdev, 0x3a, k);
1358 atp_set_host_id(atpdev, 0, host_id);
1360 tscam(shpnt, wide_chip, scam_on);
1361 atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10);
1362 atp_is(atpdev, 0, wide_chip, 0);
1363 atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef);
1364 atp_writeb_base(atpdev, 0x3b, atp_readb_base(atpdev, 0x3b) | 0x20);
1365 shpnt->max_id = wide_chip ? 16 : 8;
1366 shpnt->this_id = host_id;
1369 static void atp880_init(struct Scsi_Host *shpnt)
1371 struct atp_unit *atpdev = shost_priv(shpnt);
1372 struct pci_dev *pdev = atpdev->pdev;
1373 unsigned char k, m, host_id;
1376 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80);
1378 atpdev->ioport[0] = shpnt->io_port + 0x40;
1379 atpdev->pciport[0] = shpnt->io_port + 0x28;
1381 host_id = atp_readb_base(atpdev, 0x39) >> 4;
1383 dev_info(&pdev->dev, "ACARD AEC-67160 PCI Ultra3 LVD "
1384 "Host Adapter: IO:%lx, IRQ:%d.\n",
1385 shpnt->io_port, shpnt->irq);
1386 atpdev->host_id[0] = host_id;
1388 atpdev->global_map[0] = atp_readb_base(atpdev, 0x35);
1389 atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x3c);
1392 while (n < 0x4000) {
1394 atp_writew_base(atpdev, 0x34, n);
1396 if (atp_readb_base(atpdev, 0x30) == 0xff)
1399 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
1400 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
1401 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
1402 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
1403 atp_writew_base(atpdev, 0x34, n);
1405 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
1406 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
1407 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
1408 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
1409 atp_writew_base(atpdev, 0x34, n);
1411 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
1412 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
1413 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
1414 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
1415 atp_writew_base(atpdev, 0x34, n);
1417 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
1418 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
1419 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
1420 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
1423 atp_writew_base(atpdev, 0x34, 0);
1424 atpdev->ultra_map[0] = 0;
1425 atpdev->async[0] = 0;
1426 for (k = 0; k < 16; k++) {
1428 if (atpdev->sp[0][k] > 1)
1429 atpdev->ultra_map[0] |= n;
1431 if (atpdev->sp[0][k] == 0)
1432 atpdev->async[0] |= n;
1434 atpdev->async[0] = ~(atpdev->async[0]);
1435 atp_writeb_base(atpdev, 0x35, atpdev->global_map[0]);
1437 k = atp_readb_base(atpdev, 0x38) & 0x80;
1438 atp_writeb_base(atpdev, 0x38, k);
1439 atp_writeb_base(atpdev, 0x3b, 0x20);
1441 atp_writeb_base(atpdev, 0x3b, 0);
1443 atp_readb_io(atpdev, 0, 0x1b);
1444 atp_readb_io(atpdev, 0, 0x17);
1446 atp_set_host_id(atpdev, 0, host_id);
1448 tscam(shpnt, true, atp_readb_base(atpdev, 0x22));
1449 atp_is(atpdev, 0, true, atp_readb_base(atpdev, 0x3f) & 0x40);
1450 atp_writeb_base(atpdev, 0x38, 0xb0);
1452 shpnt->this_id = host_id;
1455 static void atp885_init(struct Scsi_Host *shpnt)
1457 struct atp_unit *atpdev = shost_priv(shpnt);
1458 struct pci_dev *pdev = atpdev->pdev;
1459 unsigned char k, m, c;
1461 unsigned char setupdata[2][16];
1463 dev_info(&pdev->dev, "ACARD AEC-67162 PCI Ultra3 LVD "
1464 "Host Adapter: IO:%lx, IRQ:%d.\n",
1465 shpnt->io_port, shpnt->irq);
1467 atpdev->ioport[0] = shpnt->io_port + 0x80;
1468 atpdev->ioport[1] = shpnt->io_port + 0xc0;
1469 atpdev->pciport[0] = shpnt->io_port + 0x40;
1470 atpdev->pciport[1] = shpnt->io_port + 0x50;
1472 c = atp_readb_base(atpdev, 0x29);
1473 atp_writeb_base(atpdev, 0x29, c | 0x04);
1476 while (n < 0x2000) {
1477 atp_writew_base(atpdev, 0x3c, n);
1478 if (atp_readl_base(atpdev, 0x38) == 0xffffffff)
1480 for (m = 0; m < 2; m++) {
1481 atpdev->global_map[m] = 0;
1482 for (k = 0; k < 4; k++) {
1483 atp_writew_base(atpdev, 0x3c, n++);
1484 ((u32 *)&setupdata[m][0])[k] =
1485 atp_readl_base(atpdev, 0x38);
1487 for (k = 0; k < 4; k++) {
1488 atp_writew_base(atpdev, 0x3c, n++);
1489 ((u32 *)&atpdev->sp[m][0])[k] =
1490 atp_readl_base(atpdev, 0x38);
1495 c = atp_readb_base(atpdev, 0x29);
1496 atp_writeb_base(atpdev, 0x29, c & 0xfb);
1497 for (c = 0; c < 2; c++) {
1498 atpdev->ultra_map[c] = 0;
1499 atpdev->async[c] = 0;
1500 for (k = 0; k < 16; k++) {
1502 if (atpdev->sp[c][k] > 1)
1503 atpdev->ultra_map[c] |= n;
1505 if (atpdev->sp[c][k] == 0)
1506 atpdev->async[c] |= n;
1508 atpdev->async[c] = ~(atpdev->async[c]);
1510 if (atpdev->global_map[c] == 0) {
1511 k = setupdata[c][1];
1512 if ((k & 0x40) != 0)
1513 atpdev->global_map[c] |= 0x20;
1515 atpdev->global_map[c] |= k;
1516 if ((setupdata[c][2] & 0x04) != 0)
1517 atpdev->global_map[c] |= 0x08;
1518 atpdev->host_id[c] = setupdata[c][0] & 0x07;
1522 k = atp_readb_base(atpdev, 0x28) & 0x8f;
1524 atp_writeb_base(atpdev, 0x28, k);
1525 atp_writeb_pci(atpdev, 0, 1, 0x80);
1526 atp_writeb_pci(atpdev, 1, 1, 0x80);
1528 atp_writeb_pci(atpdev, 0, 1, 0);
1529 atp_writeb_pci(atpdev, 1, 1, 0);
1531 atp_readb_io(atpdev, 0, 0x1b);
1532 atp_readb_io(atpdev, 0, 0x17);
1533 atp_readb_io(atpdev, 1, 0x1b);
1534 atp_readb_io(atpdev, 1, 0x17);
1536 k = atpdev->host_id[0];
1538 k = (k & 0x07) | 0x40;
1539 atp_set_host_id(atpdev, 0, k);
1541 k = atpdev->host_id[1];
1543 k = (k & 0x07) | 0x40;
1544 atp_set_host_id(atpdev, 1, k);
1546 msleep(600); /* this delay used to be called tscam_885() */
1547 dev_info(&pdev->dev, "Scanning Channel A SCSI Device ...\n");
1548 atp_is(atpdev, 0, true, atp_readb_io(atpdev, 0, 0x1b) >> 7);
1549 atp_writeb_io(atpdev, 0, 0x16, 0x80);
1550 dev_info(&pdev->dev, "Scanning Channel B SCSI Device ...\n");
1551 atp_is(atpdev, 1, true, atp_readb_io(atpdev, 1, 0x1b) >> 7);
1552 atp_writeb_io(atpdev, 1, 0x16, 0x80);
1553 k = atp_readb_base(atpdev, 0x28) & 0xcf;
1555 atp_writeb_base(atpdev, 0x28, k);
1556 k = atp_readb_base(atpdev, 0x1f) | 0x80;
1557 atp_writeb_base(atpdev, 0x1f, k);
1558 k = atp_readb_base(atpdev, 0x29) | 0x01;
1559 atp_writeb_base(atpdev, 0x29, k);
1561 shpnt->max_lun = (atpdev->global_map[0] & 0x07) + 1;
1562 shpnt->max_channel = 1;
1563 shpnt->this_id = atpdev->host_id[0];
1566 /* return non-zero on detection */
1567 static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1569 struct Scsi_Host *shpnt = NULL;
1570 struct atp_unit *atpdev;
1573 if (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 && pdev->revision < 2) {
1574 dev_err(&pdev->dev, "ATP850S chips (AEC6710L/F cards) are not supported.\n");
1578 err = pci_enable_device(pdev);
1582 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
1583 printk(KERN_ERR "atp870u: DMA mask required but not available.\n");
1585 goto disable_device;
1588 err = pci_request_regions(pdev, "atp870u");
1590 goto disable_device;
1591 pci_set_master(pdev);
1594 shpnt = scsi_host_alloc(&atp870u_template, sizeof(struct atp_unit));
1596 goto release_region;
1598 atpdev = shost_priv(shpnt);
1600 atpdev->host = shpnt;
1601 atpdev->pdev = pdev;
1602 pci_set_drvdata(pdev, atpdev);
1604 shpnt->io_port = pci_resource_start(pdev, 0);
1605 shpnt->io_port &= 0xfffffff8;
1606 shpnt->n_io_port = pci_resource_len(pdev, 0);
1607 atpdev->baseport = shpnt->io_port;
1608 shpnt->unique_id = shpnt->io_port;
1609 shpnt->irq = pdev->irq;
1611 err = atp870u_init_tables(shpnt);
1613 dev_err(&pdev->dev, "Unable to allocate tables for Acard controller\n");
1619 else if (is885(atpdev))
1624 err = request_irq(shpnt->irq, atp870u_intr_handle, IRQF_SHARED, "atp870u", shpnt);
1626 dev_err(&pdev->dev, "Unable to allocate IRQ %d.\n", shpnt->irq);
1630 err = scsi_add_host(shpnt, &pdev->dev);
1633 scsi_scan_host(shpnt);
1638 free_irq(shpnt->irq, shpnt);
1640 atp870u_free_tables(shpnt);
1642 scsi_host_put(shpnt);
1644 pci_release_regions(pdev);
1646 pci_disable_device(pdev);
1651 /* The abort command does not leave the device in a clean state where
1652 it is available to be used again. Until this gets worked out, we will
1653 leave it commented out. */
1655 static int atp870u_abort(struct scsi_cmnd * SCpnt)
1657 unsigned char j, k, c;
1658 struct scsi_cmnd *workrequ;
1659 struct atp_unit *dev;
1660 struct Scsi_Host *host;
1661 host = SCpnt->device->host;
1663 dev = (struct atp_unit *)&host->hostdata;
1664 c = scmd_channel(SCpnt);
1665 printk(" atp870u: abort Channel = %x \n", c);
1666 printk("working=%x last_cmd=%x ", dev->working[c], dev->last_cmd[c]);
1667 printk(" quhdu=%x quendu=%x ", dev->quhd[c], dev->quend[c]);
1668 for (j = 0; j < 0x18; j++) {
1669 printk(" r%2x=%2x", j, atp_readb_io(dev, c, j));
1671 printk(" r1c=%2x", atp_readb_io(dev, c, 0x1c));
1672 printk(" r1f=%2x in_snd=%2x ", atp_readb_io(dev, c, 0x1f), dev->in_snd[c]);
1673 printk(" d00=%2x", atp_readb_pci(dev, c, 0x00));
1674 printk(" d02=%2x", atp_readb_pci(dev, c, 0x02));
1676 if (dev->id[c][j].curr_req != NULL) {
1677 workrequ = dev->id[c][j].curr_req;
1678 printk("\n que cdb= ");
1679 for (k=0; k < workrequ->cmd_len; k++) {
1680 printk(" %2x ",workrequ->cmnd[k]);
1682 printk(" last_lenu= %x ",(unsigned int)dev->id[c][j].last_len);
1688 static const char *atp870u_info(struct Scsi_Host *notused)
1690 static char buffer[128];
1692 strcpy(buffer, "ACARD AEC-6710/6712/67160 PCI Ultra/W/LVD SCSI-3 Adapter Driver V2.6+ac ");
1697 static int atp870u_show_info(struct seq_file *m, struct Scsi_Host *HBAptr)
1699 seq_puts(m, "ACARD AEC-671X Driver Version: 2.6+ac\n\n"
1700 "Adapter Configuration:\n");
1701 seq_printf(m, " Base IO: %#.4lx\n", HBAptr->io_port);
1702 seq_printf(m, " IRQ: %d\n", HBAptr->irq);
1707 static int atp870u_biosparam(struct scsi_device *disk, struct block_device *dev,
1708 sector_t capacity, int *ip)
1710 int heads, sectors, cylinders;
1714 cylinders = (unsigned long)capacity / (heads * sectors);
1715 if (cylinders > 1024) {
1718 cylinders = (unsigned long)capacity / (heads * sectors);
1727 static void atp870u_remove (struct pci_dev *pdev)
1729 struct atp_unit *devext = pci_get_drvdata(pdev);
1730 struct Scsi_Host *pshost = devext->host;
1732 scsi_remove_host(pshost);
1733 free_irq(pshost->irq, pshost);
1734 pci_release_regions(pdev);
1735 pci_disable_device(pdev);
1736 atp870u_free_tables(pshost);
1737 scsi_host_put(pshost);
1739 MODULE_LICENSE("GPL");
1741 static struct scsi_host_template atp870u_template = {
1742 .module = THIS_MODULE,
1743 .name = "atp870u" /* name */,
1744 .proc_name = "atp870u",
1745 .show_info = atp870u_show_info,
1746 .info = atp870u_info /* info */,
1747 .queuecommand = atp870u_queuecommand /* queuecommand */,
1748 .eh_abort_handler = atp870u_abort /* abort */,
1749 .bios_param = atp870u_biosparam /* biosparm */,
1750 .can_queue = qcnt /* can_queue */,
1751 .this_id = 7 /* SCSI ID */,
1752 .sg_tablesize = ATP870U_SCATTER /*SG_ALL*/,
1753 .max_sectors = ATP870U_MAX_SECTORS,
1756 static struct pci_device_id atp870u_id_table[] = {
1757 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP885_DEVID) },
1758 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID1) },
1759 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID2) },
1760 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7610) },
1761 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612UW) },
1762 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612U) },
1763 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612S) },
1764 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612D) },
1765 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612SUW) },
1766 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_8060) },
1770 MODULE_DEVICE_TABLE(pci, atp870u_id_table);
1772 static struct pci_driver atp870u_driver = {
1773 .id_table = atp870u_id_table,
1775 .probe = atp870u_probe,
1776 .remove = atp870u_remove,
1779 module_pci_driver(atp870u_driver);
1781 static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip,
1782 unsigned char lvdmode)
1784 unsigned char i, j, k, rmb, n;
1785 unsigned short int m;
1786 static unsigned char mbuf[512];
1787 static unsigned char satn[9] = { 0, 0, 0, 0, 0, 0, 0, 6, 6 };
1788 static unsigned char inqd[9] = { 0x12, 0, 0, 0, 0x24, 0, 0, 0x24, 6 };
1789 static unsigned char synn[6] = { 0x80, 1, 3, 1, 0x19, 0x0e };
1790 unsigned char synu[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e };
1791 static unsigned char synw[6] = { 0x80, 1, 3, 1, 0x19, 0x0e };
1792 static unsigned char synw_870[6] = { 0x80, 1, 3, 1, 0x0c, 0x07 };
1793 unsigned char synuw[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e };
1794 static unsigned char wide[6] = { 0x80, 1, 2, 3, 1, 0 };
1795 static unsigned char u3[9] = { 0x80, 1, 6, 4, 0x09, 00, 0x0e, 0x01, 0x02 };
1797 for (i = 0; i < 16; i++) {
1798 if (!wide_chip && (i > 7))
1802 if ((m & dev->active_id[c]) != 0) {
1805 if (i == dev->host_id[c]) {
1806 printk(KERN_INFO " ID: %2d Host Adapter\n", dev->host_id[c]);
1809 atp_writeb_io(dev, c, 0x1b, wide_chip ? 0x01 : 0x00);
1810 atp_writeb_io(dev, c, 1, 0x08);
1811 atp_writeb_io(dev, c, 2, 0x7f);
1812 atp_writeb_io(dev, c, 3, satn[0]);
1813 atp_writeb_io(dev, c, 4, satn[1]);
1814 atp_writeb_io(dev, c, 5, satn[2]);
1815 atp_writeb_io(dev, c, 6, satn[3]);
1816 atp_writeb_io(dev, c, 7, satn[4]);
1817 atp_writeb_io(dev, c, 8, satn[5]);
1818 atp_writeb_io(dev, c, 0x0f, 0);
1819 atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
1820 atp_writeb_io(dev, c, 0x12, 0);
1821 atp_writeb_io(dev, c, 0x13, satn[6]);
1822 atp_writeb_io(dev, c, 0x14, satn[7]);
1824 if ((j & 0x08) != 0) {
1825 j = (j & 0x07) | 0x40;
1827 atp_writeb_io(dev, c, 0x15, j);
1828 atp_writeb_io(dev, c, 0x18, satn[8]);
1830 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
1833 if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e)
1836 while (atp_readb_io(dev, c, 0x17) != 0x8e)
1839 dev->active_id[c] |= m;
1841 atp_writeb_io(dev, c, 0x10, 0x30);
1842 if (is885(dev) || is880(dev))
1843 atp_writeb_io(dev, c, 0x14, 0x00);
1844 else /* result of is870() merge - is this a bug? */
1845 atp_writeb_io(dev, c, 0x04, 0x00);
1848 atp_writeb_io(dev, c, 0x18, 0x08);
1850 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
1853 j = atp_readb_io(dev, c, 0x17);
1855 atp_writeb_io(dev, c, 0x10, 0x41);
1859 atp_writeb_io(dev, c, 3, inqd[0]);
1860 atp_writeb_io(dev, c, 4, inqd[1]);
1861 atp_writeb_io(dev, c, 5, inqd[2]);
1862 atp_writeb_io(dev, c, 6, inqd[3]);
1863 atp_writeb_io(dev, c, 7, inqd[4]);
1864 atp_writeb_io(dev, c, 8, inqd[5]);
1865 atp_writeb_io(dev, c, 0x0f, 0);
1866 atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
1867 atp_writeb_io(dev, c, 0x12, 0);
1868 atp_writeb_io(dev, c, 0x13, inqd[6]);
1869 atp_writeb_io(dev, c, 0x14, inqd[7]);
1870 atp_writeb_io(dev, c, 0x18, inqd[8]);
1872 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
1875 if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e)
1878 while (atp_readb_io(dev, c, 0x17) != 0x8e)
1882 atp_writeb_io(dev, c, 0x1b, 0x00);
1884 atp_writeb_io(dev, c, 0x18, 0x08);
1887 k = atp_readb_io(dev, c, 0x1f);
1888 if ((k & 0x01) != 0) {
1889 mbuf[j++] = atp_readb_io(dev, c, 0x19);
1892 if ((k & 0x80) == 0) {
1895 j = atp_readb_io(dev, c, 0x17);
1899 atp_writeb_io(dev, c, 0x10, 0x46);
1900 atp_writeb_io(dev, c, 0x12, 0);
1901 atp_writeb_io(dev, c, 0x13, 0);
1902 atp_writeb_io(dev, c, 0x14, 0);
1903 atp_writeb_io(dev, c, 0x18, 0x08);
1905 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
1908 if (atp_readb_io(dev, c, 0x17) != 0x16)
1913 printk(KERN_INFO " ID: %2d %s\n", i, &mbuf[8]);
1914 dev->id[c][i].devtype = mbuf[0];
1919 if ((mbuf[7] & 0x60) == 0) {
1922 if (is885(dev) || is880(dev)) {
1923 if ((i < 8) && ((dev->global_map[c] & 0x20) == 0))
1925 } else { /* result of is870() merge - is this a bug? */
1926 if ((dev->global_map[c] & 0x20) == 0)
1932 if (dev->sp[c][i] != 0x04) // force u2
1937 atp_writeb_io(dev, c, 0x1b, 0x01);
1938 atp_writeb_io(dev, c, 3, satn[0]);
1939 atp_writeb_io(dev, c, 4, satn[1]);
1940 atp_writeb_io(dev, c, 5, satn[2]);
1941 atp_writeb_io(dev, c, 6, satn[3]);
1942 atp_writeb_io(dev, c, 7, satn[4]);
1943 atp_writeb_io(dev, c, 8, satn[5]);
1944 atp_writeb_io(dev, c, 0x0f, 0);
1945 atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
1946 atp_writeb_io(dev, c, 0x12, 0);
1947 atp_writeb_io(dev, c, 0x13, satn[6]);
1948 atp_writeb_io(dev, c, 0x14, satn[7]);
1949 atp_writeb_io(dev, c, 0x18, satn[8]);
1951 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
1954 if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e)
1957 while (atp_readb_io(dev, c, 0x17) != 0x8e)
1962 atp_writeb_io(dev, c, 0x14, 0x09);
1963 atp_writeb_io(dev, c, 0x18, 0x20);
1965 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
1966 if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
1967 atp_writeb_io(dev, c, 0x19, u3[j++]);
1971 while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00)
1974 j = atp_readb_io(dev, c, 0x17) & 0x0f;
1986 atp_writeb_io(dev, c, 0x18, 0x20);
1987 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
1988 if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
1989 atp_writeb_io(dev, c, 0x19, 0);
1992 j = atp_readb_io(dev, c, 0x17) & 0x0f;
2004 atp_writeb_io(dev, c, 0x14, 0x09);
2005 atp_writeb_io(dev, c, 0x18, 0x20);
2008 j = atp_readb_io(dev, c, 0x1f);
2009 if ((j & 0x01) != 0) {
2010 mbuf[k++] = atp_readb_io(dev, c, 0x19);
2013 if ((j & 0x80) == 0x00) {
2016 j = atp_readb_io(dev, c, 0x17) & 0x0f;
2028 atp_writeb_io(dev, c, 0x10, 0x30);
2029 atp_writeb_io(dev, c, 0x14, 0x00);
2030 atp_writeb_io(dev, c, 0x18, 0x08);
2032 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00);
2034 j = atp_readb_io(dev, c, 0x17);
2041 if (mbuf[0] != 0x01) {
2044 if (mbuf[1] != 0x06) {
2047 if (mbuf[2] != 0x04) {
2050 if (mbuf[3] == 0x09) {
2053 dev->wide_id[c] |= m;
2054 dev->id[c][i].devsp = 0xce;
2056 printk("dev->id[%2d][%2d].devsp = %2x\n",
2057 c, i, dev->id[c][i].devsp);
2062 atp_writeb_io(dev, c, 0x1b, 0x01);
2063 atp_writeb_io(dev, c, 3, satn[0]);
2064 atp_writeb_io(dev, c, 4, satn[1]);
2065 atp_writeb_io(dev, c, 5, satn[2]);
2066 atp_writeb_io(dev, c, 6, satn[3]);
2067 atp_writeb_io(dev, c, 7, satn[4]);
2068 atp_writeb_io(dev, c, 8, satn[5]);
2069 atp_writeb_io(dev, c, 0x0f, 0);
2070 atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
2071 atp_writeb_io(dev, c, 0x12, 0);
2072 atp_writeb_io(dev, c, 0x13, satn[6]);
2073 atp_writeb_io(dev, c, 0x14, satn[7]);
2074 atp_writeb_io(dev, c, 0x18, satn[8]);
2076 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
2079 if (atp_readb_io(dev, c, 0x17) != 0x11 &&
2080 atp_readb_io(dev, c, 0x17) != 0x8e)
2083 while (atp_readb_io(dev, c, 0x17) != 0x8e)
2088 atp_writeb_io(dev, c, 0x14, 0x05);
2089 atp_writeb_io(dev, c, 0x18, 0x20);
2091 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
2092 if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
2093 atp_writeb_io(dev, c, 0x19, wide[j++]);
2097 while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00)
2100 j = atp_readb_io(dev, c, 0x17) & 0x0f;
2112 atp_writeb_io(dev, c, 0x18, 0x20);
2113 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
2114 if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
2115 atp_writeb_io(dev, c, 0x19, 0);
2118 j = atp_readb_io(dev, c, 0x17) & 0x0f;
2130 atp_writeb_io(dev, c, 0x14, 0xff);
2131 atp_writeb_io(dev, c, 0x18, 0x20);
2134 j = atp_readb_io(dev, c, 0x1f);
2135 if ((j & 0x01) != 0) {
2136 mbuf[k++] = atp_readb_io(dev, c, 0x19);
2139 if ((j & 0x80) == 0x00) {
2142 j = atp_readb_io(dev, c, 0x17) & 0x0f;
2154 atp_writeb_io(dev, c, 0x10, 0x30);
2155 atp_writeb_io(dev, c, 0x14, 0x00);
2156 atp_writeb_io(dev, c, 0x18, 0x08);
2158 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
2161 j = atp_readb_io(dev, c, 0x17);
2168 if (mbuf[0] != 0x01) {
2171 if (mbuf[1] != 0x02) {
2174 if (mbuf[2] != 0x03) {
2177 if (mbuf[3] != 0x01) {
2182 dev->wide_id[c] |= m;
2184 if ((dev->id[c][i].devtype == 0x00) ||
2185 (dev->id[c][i].devtype == 0x07) ||
2186 ((dev->id[c][i].devtype == 0x05) && ((n & 0x10) != 0))) {
2189 if ((dev->async[c] & m) != 0) {
2195 if ((!is885(dev) && !is880(dev)) || (dev->sp[c][i] == 0x02)) {
2199 if (dev->sp[c][i] >= 0x03) {
2205 if ((m & dev->wide_id[c]) != 0) {
2208 atp_writeb_io(dev, c, 0x1b, j);
2209 atp_writeb_io(dev, c, 3, satn[0]);
2210 atp_writeb_io(dev, c, 4, satn[1]);
2211 atp_writeb_io(dev, c, 5, satn[2]);
2212 atp_writeb_io(dev, c, 6, satn[3]);
2213 atp_writeb_io(dev, c, 7, satn[4]);
2214 atp_writeb_io(dev, c, 8, satn[5]);
2215 atp_writeb_io(dev, c, 0x0f, 0);
2216 atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
2217 atp_writeb_io(dev, c, 0x12, 0);
2218 atp_writeb_io(dev, c, 0x13, satn[6]);
2219 atp_writeb_io(dev, c, 0x14, satn[7]);
2220 atp_writeb_io(dev, c, 0x18, satn[8]);
2222 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
2225 if (atp_readb_io(dev, c, 0x17) != 0x11 &&
2226 atp_readb_io(dev, c, 0x17) != 0x8e)
2229 while (atp_readb_io(dev, c, 0x17) != 0x8e)
2234 atp_writeb_io(dev, c, 0x14, 0x06);
2235 atp_writeb_io(dev, c, 0x18, 0x20);
2237 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
2238 if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) {
2239 if ((m & dev->wide_id[c]) != 0) {
2240 if (is885(dev) || is880(dev)) {
2241 if ((m & dev->ultra_map[c]) != 0) {
2242 atp_writeb_io(dev, c, 0x19, synuw[j++]);
2244 atp_writeb_io(dev, c, 0x19, synw[j++]);
2247 atp_writeb_io(dev, c, 0x19, synw_870[j++]);
2249 if ((m & dev->ultra_map[c]) != 0) {
2250 atp_writeb_io(dev, c, 0x19, synu[j++]);
2252 atp_writeb_io(dev, c, 0x19, synn[j++]);
2258 while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00)
2261 j = atp_readb_io(dev, c, 0x17) & 0x0f;
2273 atp_writeb_io(dev, c, 0x18, 0x20);
2274 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) {
2275 if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0x00)
2276 atp_writeb_io(dev, c, 0x19, 0x00);
2279 j = atp_readb_io(dev, c, 0x17);
2295 if (is885(dev) || is880(dev))
2296 atp_writeb_io(dev, c, 0x14, 0x06);
2298 atp_writeb_io(dev, c, 0x14, 0xff);
2299 atp_writeb_io(dev, c, 0x18, 0x20);
2302 j = atp_readb_io(dev, c, 0x1f);
2303 if ((j & 0x01) != 0x00) {
2304 mbuf[k++] = atp_readb_io(dev, c, 0x19);
2307 if ((j & 0x80) == 0x00) {
2311 while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00);
2313 j = atp_readb_io(dev, c, 0x17);
2329 atp_writeb_io(dev, c, 0x10, 0x30);
2331 atp_writeb_io(dev, c, 0x14, 0x00);
2332 atp_writeb_io(dev, c, 0x18, 0x08);
2334 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
2337 j = atp_readb_io(dev, c, 0x17);
2341 if (mbuf[0] != 0x01) {
2344 if (mbuf[1] != 0x03) {
2347 if (mbuf[4] == 0x00) {
2350 if (mbuf[3] > 0x64) {
2353 if (is885(dev) || is880(dev)) {
2354 if (mbuf[4] > 0x0e) {
2358 if (mbuf[4] > 0x0c) {
2362 dev->id[c][i].devsp = mbuf[4];
2363 if (is885(dev) || is880(dev))
2364 if (mbuf[3] < 0x0c) {
2368 if ((mbuf[3] < 0x0d) && (rmb == 0)) {
2372 if (mbuf[3] < 0x1a) {
2376 if (mbuf[3] < 0x33) {
2380 if (mbuf[3] < 0x4c) {
2386 dev->id[c][i].devsp = (dev->id[c][i].devsp & 0x0f) | j;
2388 printk("dev->id[%2d][%2d].devsp = %2x\n",
2389 c,i,dev->id[c][i].devsp);