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path: root/drivers/ide/legacy/qd65xx.c
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Diffstat (limited to 'drivers/ide/legacy/qd65xx.c')
-rw-r--r--drivers/ide/legacy/qd65xx.c130
1 files changed, 35 insertions, 95 deletions
diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c
index 6e820c7c5c6b..15a99aae0cf9 100644
--- a/drivers/ide/legacy/qd65xx.c
+++ b/drivers/ide/legacy/qd65xx.c
@@ -37,6 +37,8 @@
37#include <asm/system.h> 37#include <asm/system.h>
38#include <asm/io.h> 38#include <asm/io.h>
39 39
40#define DRV_NAME "qd65xx"
41
40#include "qd65xx.h" 42#include "qd65xx.h"
41 43
42/* 44/*
@@ -304,7 +306,20 @@ static void __init qd6580_port_init_devs(ide_hwif_t *hwif)
304 hwif->drives[1].drive_data = t2; 306 hwif->drives[1].drive_data = t2;
305} 307}
306 308
309static const struct ide_port_ops qd6500_port_ops = {
310 .port_init_devs = qd6500_port_init_devs,
311 .set_pio_mode = qd6500_set_pio_mode,
312 .selectproc = qd65xx_select,
313};
314
315static const struct ide_port_ops qd6580_port_ops = {
316 .port_init_devs = qd6580_port_init_devs,
317 .set_pio_mode = qd6580_set_pio_mode,
318 .selectproc = qd65xx_select,
319};
320
307static const struct ide_port_info qd65xx_port_info __initdata = { 321static const struct ide_port_info qd65xx_port_info __initdata = {
322 .name = DRV_NAME,
308 .chipset = ide_qd65xx, 323 .chipset = ide_qd65xx,
309 .host_flags = IDE_HFLAG_IO_32BIT | 324 .host_flags = IDE_HFLAG_IO_32BIT |
310 IDE_HFLAG_NO_DMA | 325 IDE_HFLAG_NO_DMA |
@@ -321,10 +336,8 @@ static const struct ide_port_info qd65xx_port_info __initdata = {
321 336
322static int __init qd_probe(int base) 337static int __init qd_probe(int base)
323{ 338{
324 ide_hwif_t *hwif; 339 int rc;
325 u8 config, unit; 340 u8 config, unit, control;
326 u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
327 hw_regs_t hw[2];
328 struct ide_port_info d = qd65xx_port_info; 341 struct ide_port_info d = qd65xx_port_info;
329 342
330 config = inb(QD_CONFIG_PORT); 343 config = inb(QD_CONFIG_PORT);
@@ -337,21 +350,11 @@ static int __init qd_probe(int base)
337 if (unit) 350 if (unit)
338 d.host_flags |= IDE_HFLAG_QD_2ND_PORT; 351 d.host_flags |= IDE_HFLAG_QD_2ND_PORT;
339 352
340 memset(&hw, 0, sizeof(hw)); 353 switch (config & 0xf0) {
341 354 case QD_CONFIG_QD6500:
342 ide_std_init_ports(&hw[0], 0x1f0, 0x3f6);
343 hw[0].irq = 14;
344
345 ide_std_init_ports(&hw[1], 0x170, 0x376);
346 hw[1].irq = 15;
347
348 if ((config & 0xf0) == QD_CONFIG_QD6500) {
349
350 if (qd_testreg(base)) 355 if (qd_testreg(base))
351 return -ENODEV; /* bad register */ 356 return -ENODEV; /* bad register */
352 357
353 /* qd6500 found */
354
355 if (config & QD_CONFIG_DISABLED) { 358 if (config & QD_CONFIG_DISABLED) {
356 printk(KERN_WARNING "qd6500 is disabled !\n"); 359 printk(KERN_WARNING "qd6500 is disabled !\n");
357 return -ENODEV; 360 return -ENODEV;
@@ -361,37 +364,14 @@ static int __init qd_probe(int base)
361 printk(KERN_DEBUG "qd6500: config=%#x, ID3=%u\n", 364 printk(KERN_DEBUG "qd6500: config=%#x, ID3=%u\n",
362 config, QD_ID3); 365 config, QD_ID3);
363 366
367 d.port_ops = &qd6500_port_ops;
364 d.host_flags |= IDE_HFLAG_SINGLE; 368 d.host_flags |= IDE_HFLAG_SINGLE;
365 369 break;
366 hwif = ide_find_port_slot(&d); 370 case QD_CONFIG_QD6580_A:
367 if (hwif == NULL) 371 case QD_CONFIG_QD6580_B:
368 return -ENOENT;
369
370 ide_init_port_hw(hwif, &hw[unit]);
371
372 hwif->config_data = (base << 8) | config;
373
374 hwif->port_init_devs = qd6500_port_init_devs;
375 hwif->set_pio_mode = qd6500_set_pio_mode;
376 hwif->selectproc = qd65xx_select;
377
378 idx[unit] = hwif->index;
379
380 ide_device_add(idx, &d);
381
382 return 1;
383 }
384
385 if (((config & 0xf0) == QD_CONFIG_QD6580_A) ||
386 ((config & 0xf0) == QD_CONFIG_QD6580_B)) {
387
388 u8 control;
389
390 if (qd_testreg(base) || qd_testreg(base + 0x02)) 372 if (qd_testreg(base) || qd_testreg(base + 0x02))
391 return -ENODEV; /* bad registers */ 373 return -ENODEV; /* bad registers */
392 374
393 /* qd6580 found */
394
395 control = inb(QD_CONTROL_PORT); 375 control = inb(QD_CONTROL_PORT);
396 376
397 printk(KERN_NOTICE "qd6580 at %#x\n", base); 377 printk(KERN_NOTICE "qd6580 at %#x\n", base);
@@ -400,63 +380,23 @@ static int __init qd_probe(int base)
400 380
401 outb(QD_DEF_CONTR, QD_CONTROL_PORT); 381 outb(QD_DEF_CONTR, QD_CONTROL_PORT);
402 382
403 if (control & QD_CONTR_SEC_DISABLED) { 383 d.port_ops = &qd6580_port_ops;
404 /* secondary disabled */ 384 if (control & QD_CONTR_SEC_DISABLED)
405
406 printk(KERN_INFO "qd6580: single IDE board\n");
407
408 d.host_flags |= IDE_HFLAG_SINGLE; 385 d.host_flags |= IDE_HFLAG_SINGLE;
409 386
410 hwif = ide_find_port_slot(&d); 387 printk(KERN_INFO "qd6580: %s IDE board\n",
411 if (hwif == NULL) 388 (control & QD_CONTR_SEC_DISABLED) ? "single" : "dual");
412 return -ENOENT; 389 break;
413 390 default:
414 ide_init_port_hw(hwif, &hw[unit]); 391 return -ENODEV;
415 392 }
416 hwif->config_data = (base << 8) | config;
417
418 hwif->port_init_devs = qd6580_port_init_devs;
419 hwif->set_pio_mode = qd6580_set_pio_mode;
420 hwif->selectproc = qd65xx_select;
421 393
422 idx[unit] = hwif->index; 394 rc = ide_legacy_device_add(&d, (base << 8) | config);
423 395
424 ide_device_add(idx, &d); 396 if (d.host_flags & IDE_HFLAG_SINGLE)
397 return (rc == 0) ? 1 : rc;
425 398
426 return 1; 399 return rc;
427 } else {
428 ide_hwif_t *mate;
429
430 /* secondary enabled */
431 printk(KERN_INFO "qd6580: dual IDE board\n");
432
433 hwif = ide_find_port();
434 if (hwif) {
435 ide_init_port_hw(hwif, &hw[0]);
436 hwif->config_data = (base << 8) | config;
437 hwif->port_init_devs = qd6580_port_init_devs;
438 hwif->set_pio_mode = qd6580_set_pio_mode;
439 hwif->selectproc = qd65xx_select;
440 idx[0] = hwif->index;
441 }
442
443 mate = ide_find_port();
444 if (mate) {
445 ide_init_port_hw(mate, &hw[1]);
446 mate->config_data = (base << 8) | config;
447 mate->port_init_devs = qd6580_port_init_devs;
448 mate->set_pio_mode = qd6580_set_pio_mode;
449 mate->selectproc = qd65xx_select;
450 idx[1] = mate->index;
451 }
452
453 ide_device_add(idx, &qd65xx_port_info);
454
455 return 0; /* no other qd65xx possible */
456 }
457 }
458 /* no qd65xx found */
459 return -ENODEV;
460} 400}
461 401
462int probe_qd65xx = 0; 402int probe_qd65xx = 0;