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path: root/drivers/ide/ide-probe.c
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Diffstat (limited to 'drivers/ide/ide-probe.c')
-rw-r--r--drivers/ide/ide-probe.c53
1 files changed, 30 insertions, 23 deletions
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 3cc8ade2cc4f..c588066295db 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -126,7 +126,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
126 126
127 id = drive->id; 127 id = drive->id;
128 /* read 512 bytes of id info */ 128 /* read 512 bytes of id info */
129 hwif->input_data(drive, NULL, id, SECTOR_SIZE); 129 hwif->tp_ops->input_data(drive, NULL, id, SECTOR_SIZE);
130 130
131 drive->id_read = 1; 131 drive->id_read = 1;
132 local_irq_enable(); 132 local_irq_enable();
@@ -267,6 +267,7 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd)
267{ 267{
268 ide_hwif_t *hwif = HWIF(drive); 268 ide_hwif_t *hwif = HWIF(drive);
269 struct ide_io_ports *io_ports = &hwif->io_ports; 269 struct ide_io_ports *io_ports = &hwif->io_ports;
270 const struct ide_tp_ops *tp_ops = hwif->tp_ops;
270 int use_altstatus = 0, rc; 271 int use_altstatus = 0, rc;
271 unsigned long timeout; 272 unsigned long timeout;
272 u8 s = 0, a = 0; 273 u8 s = 0, a = 0;
@@ -275,8 +276,8 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd)
275 msleep(50); 276 msleep(50);
276 277
277 if (io_ports->ctl_addr) { 278 if (io_ports->ctl_addr) {
278 a = hwif->read_altstatus(hwif); 279 a = tp_ops->read_altstatus(hwif);
279 s = hwif->read_status(hwif); 280 s = tp_ops->read_status(hwif);
280 if ((a ^ s) & ~INDEX_STAT) 281 if ((a ^ s) & ~INDEX_STAT)
281 /* ancient Seagate drives, broken interfaces */ 282 /* ancient Seagate drives, broken interfaces */
282 printk(KERN_INFO "%s: probing with STATUS(0x%02x) " 283 printk(KERN_INFO "%s: probing with STATUS(0x%02x) "
@@ -297,11 +298,11 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd)
297 /* disable DMA & overlap */ 298 /* disable DMA & overlap */
298 task.tf_flags = IDE_TFLAG_OUT_FEATURE; 299 task.tf_flags = IDE_TFLAG_OUT_FEATURE;
299 300
300 drive->hwif->tf_load(drive, &task); 301 tp_ops->tf_load(drive, &task);
301 } 302 }
302 303
303 /* ask drive for ID */ 304 /* ask drive for ID */
304 hwif->exec_command(hwif, cmd); 305 tp_ops->exec_command(hwif, cmd);
305 306
306 timeout = ((cmd == WIN_IDENTIFY) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2; 307 timeout = ((cmd == WIN_IDENTIFY) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2;
307 timeout += jiffies; 308 timeout += jiffies;
@@ -312,13 +313,13 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd)
312 } 313 }
313 /* give drive a breather */ 314 /* give drive a breather */
314 msleep(50); 315 msleep(50);
315 s = use_altstatus ? hwif->read_altstatus(hwif) 316 s = use_altstatus ? tp_ops->read_altstatus(hwif)
316 : hwif->read_status(hwif); 317 : tp_ops->read_status(hwif);
317 } while (s & BUSY_STAT); 318 } while (s & BUSY_STAT);
318 319
319 /* wait for IRQ and DRQ_STAT */ 320 /* wait for IRQ and DRQ_STAT */
320 msleep(50); 321 msleep(50);
321 s = hwif->read_status(hwif); 322 s = tp_ops->read_status(hwif);
322 323
323 if (OK_STAT(s, DRQ_STAT, BAD_R_STAT)) { 324 if (OK_STAT(s, DRQ_STAT, BAD_R_STAT)) {
324 unsigned long flags; 325 unsigned long flags;
@@ -330,7 +331,7 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd)
330 /* drive responded with ID */ 331 /* drive responded with ID */
331 rc = 0; 332 rc = 0;
332 /* clear drive IRQ */ 333 /* clear drive IRQ */
333 (void)hwif->read_status(hwif); 334 (void)tp_ops->read_status(hwif);
334 local_irq_restore(flags); 335 local_irq_restore(flags);
335 } else { 336 } else {
336 /* drive refused ID */ 337 /* drive refused ID */
@@ -352,6 +353,7 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd)
352static int try_to_identify (ide_drive_t *drive, u8 cmd) 353static int try_to_identify (ide_drive_t *drive, u8 cmd)
353{ 354{
354 ide_hwif_t *hwif = HWIF(drive); 355 ide_hwif_t *hwif = HWIF(drive);
356 const struct ide_tp_ops *tp_ops = hwif->tp_ops;
355 int retval; 357 int retval;
356 int autoprobe = 0; 358 int autoprobe = 0;
357 unsigned long cookie = 0; 359 unsigned long cookie = 0;
@@ -367,7 +369,7 @@ static int try_to_identify (ide_drive_t *drive, u8 cmd)
367 autoprobe = 1; 369 autoprobe = 1;
368 cookie = probe_irq_on(); 370 cookie = probe_irq_on();
369 } 371 }
370 hwif->set_irq(hwif, autoprobe); 372 tp_ops->set_irq(hwif, autoprobe);
371 } 373 }
372 374
373 retval = actual_try_to_identify(drive, cmd); 375 retval = actual_try_to_identify(drive, cmd);
@@ -375,9 +377,9 @@ static int try_to_identify (ide_drive_t *drive, u8 cmd)
375 if (autoprobe) { 377 if (autoprobe) {
376 int irq; 378 int irq;
377 379
378 hwif->set_irq(hwif, 0); 380 tp_ops->set_irq(hwif, 0);
379 /* clear drive IRQ */ 381 /* clear drive IRQ */
380 (void)hwif->read_status(hwif); 382 (void)tp_ops->read_status(hwif);
381 udelay(5); 383 udelay(5);
382 irq = probe_irq_off(cookie); 384 irq = probe_irq_off(cookie);
383 if (!hwif->irq) { 385 if (!hwif->irq) {
@@ -402,7 +404,7 @@ static int ide_busy_sleep(ide_hwif_t *hwif)
402 404
403 do { 405 do {
404 msleep(50); 406 msleep(50);
405 stat = hwif->read_status(hwif); 407 stat = hwif->tp_ops->read_status(hwif);
406 if ((stat & BUSY_STAT) == 0) 408 if ((stat & BUSY_STAT) == 0)
407 return 0; 409 return 0;
408 } while (time_before(jiffies, timeout)); 410 } while (time_before(jiffies, timeout));
@@ -417,7 +419,7 @@ static u8 ide_read_device(ide_drive_t *drive)
417 memset(&task, 0, sizeof(task)); 419 memset(&task, 0, sizeof(task));
418 task.tf_flags = IDE_TFLAG_IN_DEVICE; 420 task.tf_flags = IDE_TFLAG_IN_DEVICE;
419 421
420 drive->hwif->tf_read(drive, &task); 422 drive->hwif->tp_ops->tf_read(drive, &task);
421 423
422 return task.tf.device; 424 return task.tf.device;
423} 425}
@@ -446,6 +448,7 @@ static u8 ide_read_device(ide_drive_t *drive)
446static int do_probe (ide_drive_t *drive, u8 cmd) 448static int do_probe (ide_drive_t *drive, u8 cmd)
447{ 449{
448 ide_hwif_t *hwif = HWIF(drive); 450 ide_hwif_t *hwif = HWIF(drive);
451 const struct ide_tp_ops *tp_ops = hwif->tp_ops;
449 int rc; 452 int rc;
450 u8 stat; 453 u8 stat;
451 454
@@ -478,7 +481,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
478 return 3; 481 return 3;
479 } 482 }
480 483
481 stat = hwif->read_status(hwif); 484 stat = tp_ops->read_status(hwif);
482 485
483 if (OK_STAT(stat, READY_STAT, BUSY_STAT) || 486 if (OK_STAT(stat, READY_STAT, BUSY_STAT) ||
484 drive->present || cmd == WIN_PIDENTIFY) { 487 drive->present || cmd == WIN_PIDENTIFY) {
@@ -488,7 +491,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
488 rc = try_to_identify(drive,cmd); 491 rc = try_to_identify(drive,cmd);
489 } 492 }
490 493
491 stat = hwif->read_status(hwif); 494 stat = tp_ops->read_status(hwif);
492 495
493 if (stat == (BUSY_STAT | READY_STAT)) 496 if (stat == (BUSY_STAT | READY_STAT))
494 return 4; 497 return 4;
@@ -499,13 +502,13 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
499 msleep(50); 502 msleep(50);
500 SELECT_DRIVE(drive); 503 SELECT_DRIVE(drive);
501 msleep(50); 504 msleep(50);
502 hwif->exec_command(hwif, WIN_SRST); 505 tp_ops->exec_command(hwif, WIN_SRST);
503 (void)ide_busy_sleep(hwif); 506 (void)ide_busy_sleep(hwif);
504 rc = try_to_identify(drive, cmd); 507 rc = try_to_identify(drive, cmd);
505 } 508 }
506 509
507 /* ensure drive IRQ is clear */ 510 /* ensure drive IRQ is clear */
508 stat = hwif->read_status(hwif); 511 stat = tp_ops->read_status(hwif);
509 512
510 if (rc == 1) 513 if (rc == 1)
511 printk(KERN_ERR "%s: no response (status = 0x%02x)\n", 514 printk(KERN_ERR "%s: no response (status = 0x%02x)\n",
@@ -519,7 +522,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
519 SELECT_DRIVE(&hwif->drives[0]); 522 SELECT_DRIVE(&hwif->drives[0]);
520 msleep(50); 523 msleep(50);
521 /* ensure drive irq is clear */ 524 /* ensure drive irq is clear */
522 (void)hwif->read_status(hwif); 525 (void)tp_ops->read_status(hwif);
523 } 526 }
524 return rc; 527 return rc;
525} 528}
@@ -530,12 +533,13 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
530static void enable_nest (ide_drive_t *drive) 533static void enable_nest (ide_drive_t *drive)
531{ 534{
532 ide_hwif_t *hwif = HWIF(drive); 535 ide_hwif_t *hwif = HWIF(drive);
536 const struct ide_tp_ops *tp_ops = hwif->tp_ops;
533 u8 stat; 537 u8 stat;
534 538
535 printk("%s: enabling %s -- ", hwif->name, drive->id->model); 539 printk("%s: enabling %s -- ", hwif->name, drive->id->model);
536 SELECT_DRIVE(drive); 540 SELECT_DRIVE(drive);
537 msleep(50); 541 msleep(50);
538 hwif->exec_command(hwif, EXABYTE_ENABLE_NEST); 542 tp_ops->exec_command(hwif, EXABYTE_ENABLE_NEST);
539 543
540 if (ide_busy_sleep(hwif)) { 544 if (ide_busy_sleep(hwif)) {
541 printk(KERN_CONT "failed (timeout)\n"); 545 printk(KERN_CONT "failed (timeout)\n");
@@ -544,7 +548,7 @@ static void enable_nest (ide_drive_t *drive)
544 548
545 msleep(50); 549 msleep(50);
546 550
547 stat = hwif->read_status(hwif); 551 stat = tp_ops->read_status(hwif);
548 552
549 if (!OK_STAT(stat, 0, BAD_STAT)) 553 if (!OK_STAT(stat, 0, BAD_STAT))
550 printk(KERN_CONT "failed (status = 0x%02x)\n", stat); 554 printk(KERN_CONT "failed (status = 0x%02x)\n", stat);
@@ -726,7 +730,7 @@ static int ide_port_wait_ready(ide_hwif_t *hwif)
726 /* Ignore disks that we will not probe for later. */ 730 /* Ignore disks that we will not probe for later. */
727 if (!drive->noprobe || drive->present) { 731 if (!drive->noprobe || drive->present) {
728 SELECT_DRIVE(drive); 732 SELECT_DRIVE(drive);
729 hwif->set_irq(hwif, 1); 733 hwif->tp_ops->set_irq(hwif, 1);
730 mdelay(2); 734 mdelay(2);
731 rc = ide_wait_not_busy(hwif, 35000); 735 rc = ide_wait_not_busy(hwif, 35000);
732 if (rc) 736 if (rc)
@@ -1083,7 +1087,7 @@ static int init_irq (ide_hwif_t *hwif)
1083 sa = IRQF_SHARED; 1087 sa = IRQF_SHARED;
1084 1088
1085 if (io_ports->ctl_addr) 1089 if (io_ports->ctl_addr)
1086 hwif->set_irq(hwif, 1); 1090 hwif->tp_ops->set_irq(hwif, 1);
1087 1091
1088 if (request_irq(hwif->irq,&ide_intr,sa,hwif->name,hwgroup)) 1092 if (request_irq(hwif->irq,&ide_intr,sa,hwif->name,hwgroup))
1089 goto out_unlink; 1093 goto out_unlink;
@@ -1361,6 +1365,9 @@ static void ide_init_port(ide_hwif_t *hwif, unsigned int port,
1361 hwif->host_flags |= d->host_flags; 1365 hwif->host_flags |= d->host_flags;
1362 hwif->pio_mask = d->pio_mask; 1366 hwif->pio_mask = d->pio_mask;
1363 1367
1368 if (d->tp_ops)
1369 hwif->tp_ops = d->tp_ops;
1370
1364 /* ->set_pio_mode for DTC2278 is currently limited to port 0 */ 1371 /* ->set_pio_mode for DTC2278 is currently limited to port 0 */
1365 if (hwif->chipset != ide_dtc2278 || hwif->channel == 0) 1372 if (hwif->chipset != ide_dtc2278 || hwif->channel == 0)
1366 hwif->port_ops = d->port_ops; 1373 hwif->port_ops = d->port_ops;