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 - 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
718 * On entry there is work queued to be done. We move some of that work to the
721 * Caller holds the host lock.
723 static void send_s870(struct atp_unit *dev,unsigned char c)
725 struct scsi_cmnd *workreq = NULL;
727 unsigned char j, target_id;
729 unsigned short int w;
730 unsigned long l, bttl = 0;
731 unsigned long sg_count;
733 if (dev->in_snd[c] != 0) {
735 printk("cmnd in_snd\n");
740 printk("Sent_s870 enter\n");
743 if ((dev->last_cmd[c] != 0xff) && ((dev->last_cmd[c] & 0x40) != 0)) {
744 dev->last_cmd[c] &= 0x0f;
745 workreq = dev->id[c][dev->last_cmd[c]].curr_req;
747 dev->last_cmd[c] = 0xff;
748 if (dev->quhd[c] == dev->quend[c]) {
755 if ((dev->last_cmd[c] != 0xff) && (dev->working[c] != 0)) {
762 if (dev->quhd[c] >= qcnt)
764 workreq = dev->quereq[c][dev->quhd[c]];
765 if (dev->id[c][scmd_id(workreq)].curr_req != NULL) {
771 dev->id[c][scmd_id(workreq)].curr_req = workreq;
772 dev->last_cmd[c] = scmd_id(workreq);
774 if ((atp_readb_io(dev, c, 0x1f) & 0xb0) != 0 ||
775 atp_readb_io(dev, c, 0x1c) != 0) {
777 printk("Abort to Send\n");
779 dev->last_cmd[c] |= 0x40;
784 printk("OK to Send\n");
785 scmd_printk(KERN_DEBUG, workreq, "CDB");
786 for(i=0;i<workreq->cmd_len;i++) {
787 printk(" %x",workreq->cmnd[i]);
791 l = scsi_bufflen(workreq);
794 j = atp_readb_base(dev, 0x29) & 0xfe;
795 atp_writeb_base(dev, 0x29, j);
796 dev->r1f[c][scmd_id(workreq)] = 0;
799 if (workreq->cmnd[0] == READ_CAPACITY) {
803 if (workreq->cmnd[0] == TEST_UNIT_READY) {
808 target_id = scmd_id(workreq);
815 if ((w & dev->wide_id[c]) != 0) {
818 atp_writeb_io(dev, c, 0x1b, j);
819 while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j) {
820 atp_writeb_pci(dev, c, 0x1b, j);
822 printk("send_s870 while loop 1\n");
829 atp_writeb_io(dev, c, 0x00, workreq->cmd_len);
830 atp_writeb_io(dev, c, 0x01, 0x2c);
832 atp_writeb_io(dev, c, 0x02, 0x7f);
834 atp_writeb_io(dev, c, 0x02, 0xcf);
835 for (i = 0; i < workreq->cmd_len; i++)
836 atp_writeb_io(dev, c, 0x03 + i, workreq->cmnd[i]);
837 atp_writeb_io(dev, c, 0x0f, workreq->device->lun);
841 atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp);
843 printk("dev->id[%d][%d].devsp = %2x\n",c,target_id,
844 dev->id[c][target_id].devsp);
847 sg_count = scsi_dma_map(workreq);
849 * Write transfer size
851 atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&l))[2]);
852 atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&l))[1]);
853 atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&l))[0]);
855 dev->id[c][j].last_len = l;
856 dev->id[c][j].tran_len = 0;
858 printk("dev->id[%2d][%2d].last_len = %d\n",c,j,dev->id[c][j].last_len);
863 if ((j & 0x08) != 0) {
864 j = (j & 0x07) | 0x40;
867 * Check transfer direction
869 if (workreq->sc_data_direction == DMA_TO_DEVICE)
870 atp_writeb_io(dev, c, 0x15, j | 0x20);
872 atp_writeb_io(dev, c, 0x15, j);
873 atp_writeb_io(dev, c, 0x16, atp_readb_io(dev, c, 0x16) | 0x80);
874 atp_writeb_io(dev, c, 0x16, 0x80);
875 dev->id[c][target_id].dirct = 0;
877 if (atp_readb_io(dev, c, 0x1c) == 0) {
879 printk("change SCSI_CMD_REG 0x08\n");
881 atp_writeb_io(dev, c, 0x18, 0x08);
883 dev->last_cmd[c] |= 0x40;
887 prd = dev->id[c][target_id].prd_table;
888 dev->id[c][target_id].prd_pos = prd;
891 * Now write the request list. Either as scatter/gather or as
896 struct scatterlist *sgpnt;
898 scsi_for_each_sg(workreq, sgpnt, sg_count, j) {
899 bttl = sg_dma_address(sgpnt);
902 printk("1. bttl %x, l %x\n",bttl, l);
904 while (l > 0x10000) {
905 (((u16 *) (prd))[i + 3]) = 0x0000;
906 (((u16 *) (prd))[i + 2]) = 0x0000;
907 (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl);
912 (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl);
913 (((u16 *) (prd))[i + 2]) = cpu_to_le16(l);
914 (((u16 *) (prd))[i + 3]) = 0;
917 (((u16 *) (prd))[i - 1]) = cpu_to_le16(0x8000);
919 printk("prd %4x %4x %4x %4x\n",
920 (((unsigned short int *)prd)[0]),
921 (((unsigned short int *)prd)[1]),
922 (((unsigned short int *)prd)[2]),
923 (((unsigned short int *)prd)[3]));
924 printk("2. bttl %x, l %x\n",bttl, l);
928 printk("send_s870: prdaddr_2 0x%8x target_id %d\n",
929 dev->id[c][target_id].prdaddr,target_id);
931 dev->id[c][target_id].prdaddr = dev->id[c][target_id].prd_bus;
932 atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr);
933 atp_writeb_pci(dev, c, 2, 0x06);
934 atp_writeb_pci(dev, c, 2, 0x00);
936 j = atp_readb_pci(dev, c, 1) & 0xf3;
937 if ((workreq->cmnd[0] == READ_6) ||
938 (workreq->cmnd[0] == READ_10) ||
939 (workreq->cmnd[0] == WRITE_6) ||
940 (workreq->cmnd[0] == WRITE_10)) {
943 atp_writeb_pci(dev, c, 1, j);
944 } else if (is880(dev)) {
945 if ((workreq->cmnd[0] == READ_6) ||
946 (workreq->cmnd[0] == READ_10) ||
947 (workreq->cmnd[0] == WRITE_6) ||
948 (workreq->cmnd[0] == WRITE_10))
949 atp_writeb_base(dev, 0x3b,
950 (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0);
952 atp_writeb_base(dev, 0x3b,
953 atp_readb_base(dev, 0x3b) & 0x3f);
955 if ((workreq->cmnd[0] == READ_6) ||
956 (workreq->cmnd[0] == READ_10) ||
957 (workreq->cmnd[0] == WRITE_6) ||
958 (workreq->cmnd[0] == WRITE_10))
959 atp_writeb_base(dev, 0x3a,
960 (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08);
962 atp_writeb_base(dev, 0x3a,
963 atp_readb_base(dev, 0x3a) & 0xf3);
966 if(workreq->sc_data_direction == DMA_TO_DEVICE) {
967 dev->id[c][target_id].dirct = 0x20;
968 if (atp_readb_io(dev, c, 0x1c) == 0) {
969 atp_writeb_io(dev, c, 0x18, 0x08);
970 atp_writeb_pci(dev, c, 0, 0x01);
972 printk( "start DMA(to target)\n");
975 dev->last_cmd[c] |= 0x40;
980 if (atp_readb_io(dev, c, 0x1c) == 0) {
981 atp_writeb_io(dev, c, 0x18, 0x08);
982 atp_writeb_pci(dev, c, 0, 0x09);
984 printk( "start DMA(to host)\n");
987 dev->last_cmd[c] |= 0x40;
994 static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val)
996 unsigned short int i, k;
999 atp_writew_io(dev, 0, 0x1c, *val);
1000 for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
1001 k = atp_readw_io(dev, 0, 0x1c);
1002 j = (unsigned char) (k >> 8);
1003 if ((k & 0x8000) != 0) /* DB7 all release? */
1006 *val |= 0x4000; /* assert DB6 */
1007 atp_writew_io(dev, 0, 0x1c, *val);
1008 *val &= 0xdfff; /* assert DB5 */
1009 atp_writew_io(dev, 0, 0x1c, *val);
1010 for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
1011 if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) != 0) /* DB5 all release? */
1014 *val |= 0x8000; /* no DB4-0, assert DB7 */
1016 atp_writew_io(dev, 0, 0x1c, *val);
1017 *val &= 0xbfff; /* release DB6 */
1018 atp_writew_io(dev, 0, 0x1c, *val);
1019 for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */
1020 if ((atp_readw_io(dev, 0, 0x1c) & 0x4000) != 0) /* DB6 all release? */
1027 static void tscam(struct Scsi_Host *host, bool wide_chip, u8 scam_on)
1030 unsigned char i, j, k;
1032 unsigned short int m, assignid_map, val;
1033 unsigned char mbuf[33], quintet[2];
1034 struct atp_unit *dev = (struct atp_unit *)&host->hostdata;
1035 static unsigned char g2q_tab[8] = {
1036 0x38, 0x31, 0x32, 0x2b, 0x34, 0x2d, 0x2e, 0x27
1039 /* I can't believe we need this before we've even done anything. Remove it
1040 * and see if anyone bitches.
1041 for (i = 0; i < 0x10; i++) {
1046 atp_writeb_io(dev, 0, 1, 0x08);
1047 atp_writeb_io(dev, 0, 2, 0x7f);
1048 atp_writeb_io(dev, 0, 0x11, 0x20);
1050 if ((scam_on & 0x40) == 0) {
1054 m <<= dev->host_id[0];
1061 atp_writeb_io(dev, 0, 0x02, 0x02); /* 2*2=4ms,3EH 2/32*3E=3.9ms */
1062 atp_writeb_io(dev, 0, 0x03, 0);
1063 atp_writeb_io(dev, 0, 0x04, 0);
1064 atp_writeb_io(dev, 0, 0x05, 0);
1065 atp_writeb_io(dev, 0, 0x06, 0);
1066 atp_writeb_io(dev, 0, 0x07, 0);
1067 atp_writeb_io(dev, 0, 0x08, 0);
1069 for (i = 0; i < j; i++) {
1072 if ((m & assignid_map) != 0) {
1075 atp_writeb_io(dev, 0, 0x0f, 0);
1076 atp_writeb_io(dev, 0, 0x12, 0);
1077 atp_writeb_io(dev, 0, 0x13, 0);
1078 atp_writeb_io(dev, 0, 0x14, 0);
1080 k = (i & 0x07) | 0x40;
1084 atp_writeb_io(dev, 0, 0x15, k);
1086 atp_writeb_io(dev, 0, 0x1b, 0x01);
1088 atp_writeb_io(dev, 0, 0x1b, 0x00);
1090 atp_writeb_io(dev, 0, 0x18, 0x09);
1092 while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0x00)
1094 k = atp_readb_io(dev, 0, 0x17);
1095 if ((k == 0x85) || (k == 0x42))
1098 atp_writeb_io(dev, 0, 0x10, 0x41);
1099 } while (k != 0x16);
1100 if ((k == 0x85) || (k == 0x42))
1105 atp_writeb_io(dev, 0, 0x02, 0x7f);
1106 atp_writeb_io(dev, 0, 0x1b, 0x02);
1110 val = 0x0080; /* bsy */
1111 atp_writew_io(dev, 0, 0x1c, val);
1112 val |= 0x0040; /* sel */
1113 atp_writew_io(dev, 0, 0x1c, val);
1114 val |= 0x0004; /* msg */
1115 atp_writew_io(dev, 0, 0x1c, val);
1116 udelay(2); /* 2 deskew delay(45ns*2=90ns) */
1117 val &= 0x007f; /* no bsy */
1118 atp_writew_io(dev, 0, 0x1c, val);
1120 val &= 0x00fb; /* after 1ms no msg */
1121 atp_writew_io(dev, 0, 0x1c, val);
1122 while ((atp_readb_io(dev, 0, 0x1c) & 0x04) != 0)
1126 for (n = 0; n < 0x30000; n++)
1127 if ((atp_readb_io(dev, 0, 0x1c) & 0x80) != 0) /* bsy ? */
1130 for (n = 0; n < 0x30000; n++)
1131 if ((atp_readb_io(dev, 0, 0x1c) & 0x81) == 0x0081) {
1133 val |= 0x8003; /* io,cd,db7 */
1134 atp_writew_io(dev, 0, 0x1c, val);
1136 val &= 0x00bf; /* no sel */
1137 atp_writew_io(dev, 0, 0x1c, val);
1143 * The funny division into multiple delays is to accomodate
1144 * arches like ARM where udelay() multiplies its argument by
1145 * a large number to initialize a loop counter. To avoid
1146 * overflow, the maximum supported udelay is 2000 microseconds.
1148 * XXX it would be more polite to find a way to use msleep()
1152 if ((atp_readb_io(dev, 0, 0x1c) & 0x80) == 0x00) { /* bsy ? */
1153 atp_writew_io(dev, 0, 0x1c, 0);
1154 atp_writeb_io(dev, 0, 0x1b, 0);
1155 atp_writeb_io(dev, 0, 0x15, 0);
1156 atp_writeb_io(dev, 0, 0x18, 0x09);
1157 while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0)
1159 atp_readb_io(dev, 0, 0x17);
1162 val &= 0x00ff; /* synchronization */
1164 fun_scam(dev, &val);
1166 val &= 0x00ff; /* isolation */
1168 fun_scam(dev, &val);
1174 if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) == 0)
1177 val &= 0x00ff; /* get ID_STRING */
1179 k = fun_scam(dev, &val);
1180 if ((k & 0x03) == 0)
1184 if ((k & 0x02) != 0)
1193 /* isolation complete.. */
1195 printk(" \n%x %x %x %s\n ",assignid_map,mbuf[0],mbuf[1],&mbuf[2]); */
1198 if ((j & 0x20) != 0) { /* bit5=1:ID up to 7 */
1201 if ((j & 0x06) != 0) { /* IDvalid? */
1206 if ((m & assignid_map) == 0)
1214 if ((m & assignid_map) != 0) { /* srch from max acceptable ID# */
1215 k = i; /* max acceptable ID# */
1219 if ((m & assignid_map) == 0)
1230 quintet[0] = 0x38; /* 1st dft ID<8 */
1232 quintet[0] = 0x31; /* 1st ID>=8 */
1235 quintet[1] = g2q_tab[k];
1237 val &= 0x00ff; /* AssignID 1stQuintet,AH=001xxxxx */
1238 m = quintet[0] << 8;
1240 fun_scam(dev, &val);
1241 val &= 0x00ff; /* AssignID 2ndQuintet,AH=001xxxxx */
1242 m = quintet[1] << 8;
1244 fun_scam(dev, &val);
1249 static void atp870u_free_tables(struct Scsi_Host *host)
1251 struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata;
1253 for (j=0; j < 2; j++) {
1254 for (k = 0; k < 16; k++) {
1255 if (!atp_dev->id[j][k].prd_table)
1257 dma_free_coherent(&atp_dev->pdev->dev, 1024,
1258 atp_dev->id[j][k].prd_table,
1259 atp_dev->id[j][k].prd_bus);
1260 atp_dev->id[j][k].prd_table = NULL;
1265 static int atp870u_init_tables(struct Scsi_Host *host)
1267 struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata;
1269 for(c=0;c < 2;c++) {
1271 atp_dev->id[c][k].prd_table =
1272 dma_alloc_coherent(&atp_dev->pdev->dev, 1024,
1273 &(atp_dev->id[c][k].prd_bus),
1275 if (!atp_dev->id[c][k].prd_table) {
1276 printk("atp870u_init_tables fail\n");
1277 atp870u_free_tables(host);
1280 atp_dev->id[c][k].prdaddr = atp_dev->id[c][k].prd_bus;
1281 atp_dev->id[c][k].devsp=0x20;
1282 atp_dev->id[c][k].devtype = 0x7f;
1283 atp_dev->id[c][k].curr_req = NULL;
1286 atp_dev->active_id[c] = 0;
1287 atp_dev->wide_id[c] = 0;
1288 atp_dev->host_id[c] = 0x07;
1289 atp_dev->quhd[c] = 0;
1290 atp_dev->quend[c] = 0;
1291 atp_dev->last_cmd[c] = 0xff;
1292 atp_dev->in_snd[c] = 0;
1293 atp_dev->in_int[c] = 0;
1295 for (k = 0; k < qcnt; k++) {
1296 atp_dev->quereq[c][k] = NULL;
1298 for (k = 0; k < 16; k++) {
1299 atp_dev->id[c][k].curr_req = NULL;
1300 atp_dev->sp[c][k] = 0x04;
1306 static void atp_set_host_id(struct atp_unit *atp, u8 c, u8 host_id)
1308 atp_writeb_io(atp, c, 0, host_id | 0x08);
1309 atp_writeb_io(atp, c, 0x18, 0);
1310 while ((atp_readb_io(atp, c, 0x1f) & 0x80) == 0)
1312 atp_readb_io(atp, c, 0x17);
1313 atp_writeb_io(atp, c, 1, 8);
1314 atp_writeb_io(atp, c, 2, 0x7f);
1315 atp_writeb_io(atp, c, 0x11, 0x20);
1318 static void atp870_init(struct Scsi_Host *shpnt)
1320 struct atp_unit *atpdev = shost_priv(shpnt);
1321 struct pci_dev *pdev = atpdev->pdev;
1322 unsigned char k, host_id;
1325 (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7610 &&
1326 pdev->revision == 4) ||
1327 (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612UW) ||
1328 (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612SUW);
1330 pci_read_config_byte(pdev, 0x49, &host_id);
1332 dev_info(&pdev->dev, "ACARD AEC-671X PCI Ultra/W SCSI-2/3 "
1333 "Host Adapter: IO:%lx, IRQ:%d.\n",
1334 shpnt->io_port, shpnt->irq);
1336 atpdev->ioport[0] = shpnt->io_port;
1337 atpdev->pciport[0] = shpnt->io_port + 0x20;
1339 atpdev->host_id[0] = host_id;
1340 scam_on = atp_readb_pci(atpdev, 0, 2);
1341 atpdev->global_map[0] = atp_readb_base(atpdev, 0x2d);
1342 atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x2e);
1344 if (atpdev->ultra_map[0] == 0) {
1346 atpdev->global_map[0] = 0x20;
1347 atpdev->ultra_map[0] = 0xffff;
1350 if (pdev->revision > 0x07) /* check if atp876 chip */
1351 atp_writeb_base(atpdev, 0x3e, 0x00); /* enable terminator */
1353 k = (atp_readb_base(atpdev, 0x3a) & 0xf3) | 0x10;
1354 atp_writeb_base(atpdev, 0x3a, k);
1355 atp_writeb_base(atpdev, 0x3a, k & 0xdf);
1357 atp_writeb_base(atpdev, 0x3a, k);
1359 atp_set_host_id(atpdev, 0, host_id);
1361 tscam(shpnt, wide_chip, scam_on);
1362 atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10);
1363 atp_is(atpdev, 0, wide_chip, 0);
1364 atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef);
1365 atp_writeb_base(atpdev, 0x3b, atp_readb_base(atpdev, 0x3b) | 0x20);
1366 shpnt->max_id = wide_chip ? 16 : 8;
1367 shpnt->this_id = host_id;
1370 static void atp880_init(struct Scsi_Host *shpnt)
1372 struct atp_unit *atpdev = shost_priv(shpnt);
1373 struct pci_dev *pdev = atpdev->pdev;
1374 unsigned char k, m, host_id;
1377 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80);
1379 atpdev->ioport[0] = shpnt->io_port + 0x40;
1380 atpdev->pciport[0] = shpnt->io_port + 0x28;
1382 host_id = atp_readb_base(atpdev, 0x39) >> 4;
1384 dev_info(&pdev->dev, "ACARD AEC-67160 PCI Ultra3 LVD "
1385 "Host Adapter: IO:%lx, IRQ:%d.\n",
1386 shpnt->io_port, shpnt->irq);
1387 atpdev->host_id[0] = host_id;
1389 atpdev->global_map[0] = atp_readb_base(atpdev, 0x35);
1390 atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x3c);
1393 while (n < 0x4000) {
1395 atp_writew_base(atpdev, 0x34, n);
1397 if (atp_readb_base(atpdev, 0x30) == 0xff)
1400 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
1401 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
1402 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
1403 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
1404 atp_writew_base(atpdev, 0x34, n);
1406 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
1407 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
1408 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
1409 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
1410 atp_writew_base(atpdev, 0x34, n);
1412 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
1413 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
1414 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
1415 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
1416 atp_writew_base(atpdev, 0x34, n);
1418 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30);
1419 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31);
1420 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32);
1421 atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33);
1424 atp_writew_base(atpdev, 0x34, 0);
1425 atpdev->ultra_map[0] = 0;
1426 atpdev->async[0] = 0;
1427 for (k = 0; k < 16; k++) {
1429 if (atpdev->sp[0][k] > 1)
1430 atpdev->ultra_map[0] |= n;
1432 if (atpdev->sp[0][k] == 0)
1433 atpdev->async[0] |= n;
1435 atpdev->async[0] = ~(atpdev->async[0]);
1436 atp_writeb_base(atpdev, 0x35, atpdev->global_map[0]);
1438 k = atp_readb_base(atpdev, 0x38) & 0x80;
1439 atp_writeb_base(atpdev, 0x38, k);
1440 atp_writeb_base(atpdev, 0x3b, 0x20);
1442 atp_writeb_base(atpdev, 0x3b, 0);
1444 atp_readb_io(atpdev, 0, 0x1b);
1445 atp_readb_io(atpdev, 0, 0x17);
1447 atp_set_host_id(atpdev, 0, host_id);
1449 tscam(shpnt, true, atp_readb_base(atpdev, 0x22));
1450 atp_is(atpdev, 0, true, atp_readb_base(atpdev, 0x3f) & 0x40);
1451 atp_writeb_base(atpdev, 0x38, 0xb0);
1453 shpnt->this_id = host_id;
1456 static void atp885_init(struct Scsi_Host *shpnt)
1458 struct atp_unit *atpdev = shost_priv(shpnt);
1459 struct pci_dev *pdev = atpdev->pdev;
1460 unsigned char k, m, c;
1462 unsigned char setupdata[2][16];
1464 dev_info(&pdev->dev, "ACARD AEC-67162 PCI Ultra3 LVD "
1465 "Host Adapter: IO:%lx, IRQ:%d.\n",
1466 shpnt->io_port, shpnt->irq);
1468 atpdev->ioport[0] = shpnt->io_port + 0x80;
1469 atpdev->ioport[1] = shpnt->io_port + 0xc0;
1470 atpdev->pciport[0] = shpnt->io_port + 0x40;
1471 atpdev->pciport[1] = shpnt->io_port + 0x50;
1473 c = atp_readb_base(atpdev, 0x29);
1474 atp_writeb_base(atpdev, 0x29, c | 0x04);
1477 while (n < 0x2000) {
1478 atp_writew_base(atpdev, 0x3c, n);
1479 if (atp_readl_base(atpdev, 0x38) == 0xffffffff)
1481 for (m = 0; m < 2; m++) {
1482 atpdev->global_map[m] = 0;
1483 for (k = 0; k < 4; k++) {
1484 atp_writew_base(atpdev, 0x3c, n++);
1485 ((u32 *)&setupdata[m][0])[k] =
1486 atp_readl_base(atpdev, 0x38);
1488 for (k = 0; k < 4; k++) {
1489 atp_writew_base(atpdev, 0x3c, n++);
1490 ((u32 *)&atpdev->sp[m][0])[k] =
1491 atp_readl_base(atpdev, 0x38);
1496 c = atp_readb_base(atpdev, 0x29);
1497 atp_writeb_base(atpdev, 0x29, c & 0xfb);
1498 for (c = 0; c < 2; c++) {
1499 atpdev->ultra_map[c] = 0;
1500 atpdev->async[c] = 0;
1501 for (k = 0; k < 16; k++) {
1503 if (atpdev->sp[c][k] > 1)
1504 atpdev->ultra_map[c] |= n;
1506 if (atpdev->sp[c][k] == 0)
1507 atpdev->async[c] |= n;
1509 atpdev->async[c] = ~(atpdev->async[c]);
1511 if (atpdev->global_map[c] == 0) {
1512 k = setupdata[c][1];
1513 if ((k & 0x40) != 0)
1514 atpdev->global_map[c] |= 0x20;
1516 atpdev->global_map[c] |= k;
1517 if ((setupdata[c][2] & 0x04) != 0)
1518 atpdev->global_map[c] |= 0x08;
1519 atpdev->host_id[c] = setupdata[c][0] & 0x07;
1523 k = atp_readb_base(atpdev, 0x28) & 0x8f;
1525 atp_writeb_base(atpdev, 0x28, k);
1526 atp_writeb_pci(atpdev, 0, 1, 0x80);
1527 atp_writeb_pci(atpdev, 1, 1, 0x80);
1529 atp_writeb_pci(atpdev, 0, 1, 0);
1530 atp_writeb_pci(atpdev, 1, 1, 0);
1532 atp_readb_io(atpdev, 0, 0x1b);
1533 atp_readb_io(atpdev, 0, 0x17);
1534 atp_readb_io(atpdev, 1, 0x1b);
1535 atp_readb_io(atpdev, 1, 0x17);
1537 k = atpdev->host_id[0];
1539 k = (k & 0x07) | 0x40;
1540 atp_set_host_id(atpdev, 0, k);
1542 k = atpdev->host_id[1];
1544 k = (k & 0x07) | 0x40;
1545 atp_set_host_id(atpdev, 1, k);
1547 msleep(600); /* this delay used to be called tscam_885() */
1548 dev_info(&pdev->dev, "Scanning Channel A SCSI Device ...\n");
1549 atp_is(atpdev, 0, true, atp_readb_io(atpdev, 0, 0x1b) >> 7);
1550 atp_writeb_io(atpdev, 0, 0x16, 0x80);
1551 dev_info(&pdev->dev, "Scanning Channel B SCSI Device ...\n");
1552 atp_is(atpdev, 1, true, atp_readb_io(atpdev, 1, 0x1b) >> 7);
1553 atp_writeb_io(atpdev, 1, 0x16, 0x80);
1554 k = atp_readb_base(atpdev, 0x28) & 0xcf;
1556 atp_writeb_base(atpdev, 0x28, k);
1557 k = atp_readb_base(atpdev, 0x1f) | 0x80;
1558 atp_writeb_base(atpdev, 0x1f, k);
1559 k = atp_readb_base(atpdev, 0x29) | 0x01;
1560 atp_writeb_base(atpdev, 0x29, k);
1562 shpnt->max_lun = (atpdev->global_map[0] & 0x07) + 1;
1563 shpnt->max_channel = 1;
1564 shpnt->this_id = atpdev->host_id[0];
1567 /* return non-zero on detection */
1568 static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1570 struct Scsi_Host *shpnt = NULL;
1571 struct atp_unit *atpdev;
1574 if (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 && pdev->revision < 2) {
1575 dev_err(&pdev->dev, "ATP850S chips (AEC6710L/F cards) are not supported.\n");
1579 err = pci_enable_device(pdev);
1583 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
1584 printk(KERN_ERR "atp870u: DMA mask required but not available.\n");
1586 goto disable_device;
1589 err = pci_request_regions(pdev, "atp870u");
1591 goto disable_device;
1592 pci_set_master(pdev);
1595 shpnt = scsi_host_alloc(&atp870u_template, sizeof(struct atp_unit));
1597 goto release_region;
1599 atpdev = shost_priv(shpnt);
1601 atpdev->host = shpnt;
1602 atpdev->pdev = pdev;
1603 pci_set_drvdata(pdev, atpdev);
1605 shpnt->io_port = pci_resource_start(pdev, 0);
1606 shpnt->io_port &= 0xfffffff8;
1607 shpnt->n_io_port = pci_resource_len(pdev, 0);
1608 atpdev->baseport = shpnt->io_port;
1609 shpnt->unique_id = shpnt->io_port;
1610 shpnt->irq = pdev->irq;
1612 err = atp870u_init_tables(shpnt);
1614 dev_err(&pdev->dev, "Unable to allocate tables for Acard controller\n");
1620 else if (is885(atpdev))
1625 err = request_irq(shpnt->irq, atp870u_intr_handle, IRQF_SHARED, "atp870u", shpnt);
1627 dev_err(&pdev->dev, "Unable to allocate IRQ %d.\n", shpnt->irq);
1631 err = scsi_add_host(shpnt, &pdev->dev);
1634 scsi_scan_host(shpnt);
1639 free_irq(shpnt->irq, shpnt);
1641 atp870u_free_tables(shpnt);
1643 scsi_host_put(shpnt);
1645 pci_release_regions(pdev);
1647 pci_disable_device(pdev);
1652 /* The abort command does not leave the device in a clean state where
1653 it is available to be used again. Until this gets worked out, we will
1654 leave it commented out. */
1656 static int atp870u_abort(struct scsi_cmnd * SCpnt)
1658 unsigned char j, k, c;
1659 struct scsi_cmnd *workrequ;
1660 struct atp_unit *dev;
1661 struct Scsi_Host *host;
1662 host = SCpnt->device->host;
1664 dev = (struct atp_unit *)&host->hostdata;
1665 c = scmd_channel(SCpnt);
1666 printk(" atp870u: abort Channel = %x \n", c);
1667 printk("working=%x last_cmd=%x ", dev->working[c], dev->last_cmd[c]);
1668 printk(" quhdu=%x quendu=%x ", dev->quhd[c], dev->quend[c]);
1669 for (j = 0; j < 0x18; j++) {
1670 printk(" r%2x=%2x", j, atp_readb_io(dev, c, j));
1672 printk(" r1c=%2x", atp_readb_io(dev, c, 0x1c));
1673 printk(" r1f=%2x in_snd=%2x ", atp_readb_io(dev, c, 0x1f), dev->in_snd[c]);
1674 printk(" d00=%2x", atp_readb_pci(dev, c, 0x00));
1675 printk(" d02=%2x", atp_readb_pci(dev, c, 0x02));
1677 if (dev->id[c][j].curr_req != NULL) {
1678 workrequ = dev->id[c][j].curr_req;
1679 printk("\n que cdb= ");
1680 for (k=0; k < workrequ->cmd_len; k++) {
1681 printk(" %2x ",workrequ->cmnd[k]);
1683 printk(" last_lenu= %x ",(unsigned int)dev->id[c][j].last_len);
1689 static const char *atp870u_info(struct Scsi_Host *notused)
1691 static char buffer[128];
1693 strcpy(buffer, "ACARD AEC-6710/6712/67160 PCI Ultra/W/LVD SCSI-3 Adapter Driver V2.6+ac ");
1698 static int atp870u_show_info(struct seq_file *m, struct Scsi_Host *HBAptr)
1700 seq_puts(m, "ACARD AEC-671X Driver Version: 2.6+ac\n\n"
1701 "Adapter Configuration:\n");
1702 seq_printf(m, " Base IO: %#.4lx\n", HBAptr->io_port);
1703 seq_printf(m, " IRQ: %d\n", HBAptr->irq);
1708 static int atp870u_biosparam(struct scsi_device *disk, struct block_device *dev,
1709 sector_t capacity, int *ip)
1711 int heads, sectors, cylinders;
1715 cylinders = (unsigned long)capacity / (heads * sectors);
1716 if (cylinders > 1024) {
1719 cylinders = (unsigned long)capacity / (heads * sectors);
1728 static void atp870u_remove (struct pci_dev *pdev)
1730 struct atp_unit *devext = pci_get_drvdata(pdev);
1731 struct Scsi_Host *pshost = devext->host;
1733 scsi_remove_host(pshost);
1734 free_irq(pshost->irq, pshost);
1735 pci_release_regions(pdev);
1736 pci_disable_device(pdev);
1737 atp870u_free_tables(pshost);
1738 scsi_host_put(pshost);
1740 MODULE_LICENSE("GPL");
1742 static struct scsi_host_template atp870u_template = {
1743 .module = THIS_MODULE,
1744 .name = "atp870u" /* name */,
1745 .proc_name = "atp870u",
1746 .show_info = atp870u_show_info,
1747 .info = atp870u_info /* info */,
1748 .queuecommand = atp870u_queuecommand /* queuecommand */,
1749 .eh_abort_handler = atp870u_abort /* abort */,
1750 .bios_param = atp870u_biosparam /* biosparm */,
1751 .can_queue = qcnt /* can_queue */,
1752 .this_id = 7 /* SCSI ID */,
1753 .sg_tablesize = ATP870U_SCATTER /*SG_ALL*/,
1754 .max_sectors = ATP870U_MAX_SECTORS,
1757 static struct pci_device_id atp870u_id_table[] = {
1758 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP885_DEVID) },
1759 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID1) },
1760 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID2) },
1761 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7610) },
1762 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612UW) },
1763 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612U) },
1764 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612S) },
1765 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612D) },
1766 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612SUW) },
1767 { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_8060) },
1771 MODULE_DEVICE_TABLE(pci, atp870u_id_table);
1773 static struct pci_driver atp870u_driver = {
1774 .id_table = atp870u_id_table,
1776 .probe = atp870u_probe,
1777 .remove = atp870u_remove,
1780 module_pci_driver(atp870u_driver);
1782 static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip,
1783 unsigned char lvdmode)
1785 unsigned char i, j, k, rmb, n;
1786 unsigned short int m;
1787 static unsigned char mbuf[512];
1788 static unsigned char satn[9] = { 0, 0, 0, 0, 0, 0, 0, 6, 6 };
1789 static unsigned char inqd[9] = { 0x12, 0, 0, 0, 0x24, 0, 0, 0x24, 6 };
1790 static unsigned char synn[6] = { 0x80, 1, 3, 1, 0x19, 0x0e };
1791 unsigned char synu[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e };
1792 static unsigned char synw[6] = { 0x80, 1, 3, 1, 0x19, 0x0e };
1793 static unsigned char synw_870[6] = { 0x80, 1, 3, 1, 0x0c, 0x07 };
1794 unsigned char synuw[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e };
1795 static unsigned char wide[6] = { 0x80, 1, 2, 3, 1, 0 };
1796 static unsigned char u3[9] = { 0x80, 1, 6, 4, 0x09, 00, 0x0e, 0x01, 0x02 };
1798 for (i = 0; i < 16; i++) {
1799 if (!wide_chip && (i > 7))
1803 if ((m & dev->active_id[c]) != 0) {
1806 if (i == dev->host_id[c]) {
1807 printk(KERN_INFO " ID: %2d Host Adapter\n", dev->host_id[c]);
1810 atp_writeb_io(dev, c, 0x1b, wide_chip ? 0x01 : 0x00);
1811 atp_writeb_io(dev, c, 1, 0x08);
1812 atp_writeb_io(dev, c, 2, 0x7f);
1813 atp_writeb_io(dev, c, 3, satn[0]);
1814 atp_writeb_io(dev, c, 4, satn[1]);
1815 atp_writeb_io(dev, c, 5, satn[2]);
1816 atp_writeb_io(dev, c, 6, satn[3]);
1817 atp_writeb_io(dev, c, 7, satn[4]);
1818 atp_writeb_io(dev, c, 8, satn[5]);
1819 atp_writeb_io(dev, c, 0x0f, 0);
1820 atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
1821 atp_writeb_io(dev, c, 0x12, 0);
1822 atp_writeb_io(dev, c, 0x13, satn[6]);
1823 atp_writeb_io(dev, c, 0x14, satn[7]);
1825 if ((j & 0x08) != 0) {
1826 j = (j & 0x07) | 0x40;
1828 atp_writeb_io(dev, c, 0x15, j);
1829 atp_writeb_io(dev, c, 0x18, satn[8]);
1831 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
1834 if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e)
1837 while (atp_readb_io(dev, c, 0x17) != 0x8e)
1840 dev->active_id[c] |= m;
1842 atp_writeb_io(dev, c, 0x10, 0x30);
1843 if (is885(dev) || is880(dev))
1844 atp_writeb_io(dev, c, 0x14, 0x00);
1845 else /* result of is870() merge - is this a bug? */
1846 atp_writeb_io(dev, c, 0x04, 0x00);
1849 atp_writeb_io(dev, c, 0x18, 0x08);
1851 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
1854 j = atp_readb_io(dev, c, 0x17);
1856 atp_writeb_io(dev, c, 0x10, 0x41);
1860 atp_writeb_io(dev, c, 3, inqd[0]);
1861 atp_writeb_io(dev, c, 4, inqd[1]);
1862 atp_writeb_io(dev, c, 5, inqd[2]);
1863 atp_writeb_io(dev, c, 6, inqd[3]);
1864 atp_writeb_io(dev, c, 7, inqd[4]);
1865 atp_writeb_io(dev, c, 8, inqd[5]);
1866 atp_writeb_io(dev, c, 0x0f, 0);
1867 atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
1868 atp_writeb_io(dev, c, 0x12, 0);
1869 atp_writeb_io(dev, c, 0x13, inqd[6]);
1870 atp_writeb_io(dev, c, 0x14, inqd[7]);
1871 atp_writeb_io(dev, c, 0x18, inqd[8]);
1873 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
1876 if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e)
1879 while (atp_readb_io(dev, c, 0x17) != 0x8e)
1883 atp_writeb_io(dev, c, 0x1b, 0x00);
1885 atp_writeb_io(dev, c, 0x18, 0x08);
1888 k = atp_readb_io(dev, c, 0x1f);
1889 if ((k & 0x01) != 0) {
1890 mbuf[j++] = atp_readb_io(dev, c, 0x19);
1893 if ((k & 0x80) == 0) {
1896 j = atp_readb_io(dev, c, 0x17);
1900 atp_writeb_io(dev, c, 0x10, 0x46);
1901 atp_writeb_io(dev, c, 0x12, 0);
1902 atp_writeb_io(dev, c, 0x13, 0);
1903 atp_writeb_io(dev, c, 0x14, 0);
1904 atp_writeb_io(dev, c, 0x18, 0x08);
1906 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
1909 if (atp_readb_io(dev, c, 0x17) != 0x16)
1914 printk(KERN_INFO " ID: %2d %s\n", i, &mbuf[8]);
1915 dev->id[c][i].devtype = mbuf[0];
1920 if ((mbuf[7] & 0x60) == 0) {
1923 if (is885(dev) || is880(dev)) {
1924 if ((i < 8) && ((dev->global_map[c] & 0x20) == 0))
1926 } else { /* result of is870() merge - is this a bug? */
1927 if ((dev->global_map[c] & 0x20) == 0)
1933 if (dev->sp[c][i] != 0x04) // force u2
1938 atp_writeb_io(dev, c, 0x1b, 0x01);
1939 atp_writeb_io(dev, c, 3, satn[0]);
1940 atp_writeb_io(dev, c, 4, satn[1]);
1941 atp_writeb_io(dev, c, 5, satn[2]);
1942 atp_writeb_io(dev, c, 6, satn[3]);
1943 atp_writeb_io(dev, c, 7, satn[4]);
1944 atp_writeb_io(dev, c, 8, satn[5]);
1945 atp_writeb_io(dev, c, 0x0f, 0);
1946 atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
1947 atp_writeb_io(dev, c, 0x12, 0);
1948 atp_writeb_io(dev, c, 0x13, satn[6]);
1949 atp_writeb_io(dev, c, 0x14, satn[7]);
1950 atp_writeb_io(dev, c, 0x18, satn[8]);
1952 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
1955 if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e)
1958 while (atp_readb_io(dev, c, 0x17) != 0x8e)
1963 atp_writeb_io(dev, c, 0x14, 0x09);
1964 atp_writeb_io(dev, c, 0x18, 0x20);
1966 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
1967 if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
1968 atp_writeb_io(dev, c, 0x19, u3[j++]);
1972 while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00)
1975 j = atp_readb_io(dev, c, 0x17) & 0x0f;
1987 atp_writeb_io(dev, c, 0x18, 0x20);
1988 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
1989 if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
1990 atp_writeb_io(dev, c, 0x19, 0);
1993 j = atp_readb_io(dev, c, 0x17) & 0x0f;
2005 atp_writeb_io(dev, c, 0x14, 0x09);
2006 atp_writeb_io(dev, c, 0x18, 0x20);
2009 j = atp_readb_io(dev, c, 0x1f);
2010 if ((j & 0x01) != 0) {
2011 mbuf[k++] = atp_readb_io(dev, c, 0x19);
2014 if ((j & 0x80) == 0x00) {
2017 j = atp_readb_io(dev, c, 0x17) & 0x0f;
2029 atp_writeb_io(dev, c, 0x10, 0x30);
2030 atp_writeb_io(dev, c, 0x14, 0x00);
2031 atp_writeb_io(dev, c, 0x18, 0x08);
2033 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00);
2035 j = atp_readb_io(dev, c, 0x17);
2042 if (mbuf[0] != 0x01) {
2045 if (mbuf[1] != 0x06) {
2048 if (mbuf[2] != 0x04) {
2051 if (mbuf[3] == 0x09) {
2054 dev->wide_id[c] |= m;
2055 dev->id[c][i].devsp = 0xce;
2057 printk("dev->id[%2d][%2d].devsp = %2x\n",
2058 c, i, dev->id[c][i].devsp);
2063 atp_writeb_io(dev, c, 0x1b, 0x01);
2064 atp_writeb_io(dev, c, 3, satn[0]);
2065 atp_writeb_io(dev, c, 4, satn[1]);
2066 atp_writeb_io(dev, c, 5, satn[2]);
2067 atp_writeb_io(dev, c, 6, satn[3]);
2068 atp_writeb_io(dev, c, 7, satn[4]);
2069 atp_writeb_io(dev, c, 8, satn[5]);
2070 atp_writeb_io(dev, c, 0x0f, 0);
2071 atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
2072 atp_writeb_io(dev, c, 0x12, 0);
2073 atp_writeb_io(dev, c, 0x13, satn[6]);
2074 atp_writeb_io(dev, c, 0x14, satn[7]);
2075 atp_writeb_io(dev, c, 0x18, satn[8]);
2077 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
2080 if (atp_readb_io(dev, c, 0x17) != 0x11 &&
2081 atp_readb_io(dev, c, 0x17) != 0x8e)
2084 while (atp_readb_io(dev, c, 0x17) != 0x8e)
2089 atp_writeb_io(dev, c, 0x14, 0x05);
2090 atp_writeb_io(dev, c, 0x18, 0x20);
2092 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
2093 if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
2094 atp_writeb_io(dev, c, 0x19, wide[j++]);
2098 while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00)
2101 j = atp_readb_io(dev, c, 0x17) & 0x0f;
2113 atp_writeb_io(dev, c, 0x18, 0x20);
2114 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
2115 if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0)
2116 atp_writeb_io(dev, c, 0x19, 0);
2119 j = atp_readb_io(dev, c, 0x17) & 0x0f;
2131 atp_writeb_io(dev, c, 0x14, 0xff);
2132 atp_writeb_io(dev, c, 0x18, 0x20);
2135 j = atp_readb_io(dev, c, 0x1f);
2136 if ((j & 0x01) != 0) {
2137 mbuf[k++] = atp_readb_io(dev, c, 0x19);
2140 if ((j & 0x80) == 0x00) {
2143 j = atp_readb_io(dev, c, 0x17) & 0x0f;
2155 atp_writeb_io(dev, c, 0x10, 0x30);
2156 atp_writeb_io(dev, c, 0x14, 0x00);
2157 atp_writeb_io(dev, c, 0x18, 0x08);
2159 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
2162 j = atp_readb_io(dev, c, 0x17);
2169 if (mbuf[0] != 0x01) {
2172 if (mbuf[1] != 0x02) {
2175 if (mbuf[2] != 0x03) {
2178 if (mbuf[3] != 0x01) {
2183 dev->wide_id[c] |= m;
2185 if ((dev->id[c][i].devtype == 0x00) ||
2186 (dev->id[c][i].devtype == 0x07) ||
2187 ((dev->id[c][i].devtype == 0x05) && ((n & 0x10) != 0))) {
2190 if ((dev->async[c] & m) != 0) {
2196 if ((!is885(dev) && !is880(dev)) || (dev->sp[c][i] == 0x02)) {
2200 if (dev->sp[c][i] >= 0x03) {
2206 if ((m & dev->wide_id[c]) != 0) {
2209 atp_writeb_io(dev, c, 0x1b, j);
2210 atp_writeb_io(dev, c, 3, satn[0]);
2211 atp_writeb_io(dev, c, 4, satn[1]);
2212 atp_writeb_io(dev, c, 5, satn[2]);
2213 atp_writeb_io(dev, c, 6, satn[3]);
2214 atp_writeb_io(dev, c, 7, satn[4]);
2215 atp_writeb_io(dev, c, 8, satn[5]);
2216 atp_writeb_io(dev, c, 0x0f, 0);
2217 atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp);
2218 atp_writeb_io(dev, c, 0x12, 0);
2219 atp_writeb_io(dev, c, 0x13, satn[6]);
2220 atp_writeb_io(dev, c, 0x14, satn[7]);
2221 atp_writeb_io(dev, c, 0x18, satn[8]);
2223 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
2226 if (atp_readb_io(dev, c, 0x17) != 0x11 &&
2227 atp_readb_io(dev, c, 0x17) != 0x8e)
2230 while (atp_readb_io(dev, c, 0x17) != 0x8e)
2235 atp_writeb_io(dev, c, 0x14, 0x06);
2236 atp_writeb_io(dev, c, 0x18, 0x20);
2238 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) {
2239 if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) {
2240 if ((m & dev->wide_id[c]) != 0) {
2241 if (is885(dev) || is880(dev)) {
2242 if ((m & dev->ultra_map[c]) != 0) {
2243 atp_writeb_io(dev, c, 0x19, synuw[j++]);
2245 atp_writeb_io(dev, c, 0x19, synw[j++]);
2248 atp_writeb_io(dev, c, 0x19, synw_870[j++]);
2250 if ((m & dev->ultra_map[c]) != 0) {
2251 atp_writeb_io(dev, c, 0x19, synu[j++]);
2253 atp_writeb_io(dev, c, 0x19, synn[j++]);
2259 while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00)
2262 j = atp_readb_io(dev, c, 0x17) & 0x0f;
2274 atp_writeb_io(dev, c, 0x18, 0x20);
2275 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) {
2276 if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0x00)
2277 atp_writeb_io(dev, c, 0x19, 0x00);
2280 j = atp_readb_io(dev, c, 0x17);
2296 if (is885(dev) || is880(dev))
2297 atp_writeb_io(dev, c, 0x14, 0x06);
2299 atp_writeb_io(dev, c, 0x14, 0xff);
2300 atp_writeb_io(dev, c, 0x18, 0x20);
2303 j = atp_readb_io(dev, c, 0x1f);
2304 if ((j & 0x01) != 0x00) {
2305 mbuf[k++] = atp_readb_io(dev, c, 0x19);
2308 if ((j & 0x80) == 0x00) {
2312 while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00);
2314 j = atp_readb_io(dev, c, 0x17);
2330 atp_writeb_io(dev, c, 0x10, 0x30);
2332 atp_writeb_io(dev, c, 0x14, 0x00);
2333 atp_writeb_io(dev, c, 0x18, 0x08);
2335 while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00)
2338 j = atp_readb_io(dev, c, 0x17);
2342 if (mbuf[0] != 0x01) {
2345 if (mbuf[1] != 0x03) {
2348 if (mbuf[4] == 0x00) {
2351 if (mbuf[3] > 0x64) {
2354 if (is885(dev) || is880(dev)) {
2355 if (mbuf[4] > 0x0e) {
2359 if (mbuf[4] > 0x0c) {
2363 dev->id[c][i].devsp = mbuf[4];
2364 if (is885(dev) || is880(dev))
2365 if (mbuf[3] < 0x0c) {
2369 if ((mbuf[3] < 0x0d) && (rmb == 0)) {
2373 if (mbuf[3] < 0x1a) {
2377 if (mbuf[3] < 0x33) {
2381 if (mbuf[3] < 0x4c) {
2387 dev->id[c][i].devsp = (dev->id[c][i].devsp & 0x0f) | j;
2389 printk("dev->id[%2d][%2d].devsp = %2x\n",
2390 c,i,dev->id[c][i].devsp);