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authorTakashi Iwai <tiwai@suse.de>2005-11-17 10:54:56 -0500
committerJaroslav Kysela <perex@suse.cz>2006-01-03 06:28:05 -0500
commit6f045616aff91022966b5c37ba6845791dd125dc (patch)
tree273a962fbd5fcdd131f194cdc9b91ab0c409c98c /sound/isa/sb/sb16.c
parent703529140cfb774366b839f38f027f283cb948b4 (diff)
[ALSA] sb16 - Use platform_device and add PnP support
Modules: SB16/AWE driver Rewrite the probe/remove with platform_device. Add PM support using PnP suspend/resume callbacks. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/isa/sb/sb16.c')
-rw-r--r--sound/isa/sb/sb16.c327
1 files changed, 204 insertions, 123 deletions
diff --git a/sound/isa/sb/sb16.c b/sound/isa/sb/sb16.c
index 96e401333437..05816c5d829a 100644
--- a/sound/isa/sb/sb16.c
+++ b/sound/isa/sb/sb16.c
@@ -24,6 +24,8 @@
24#include <linux/init.h> 24#include <linux/init.h>
25#include <linux/slab.h> 25#include <linux/slab.h>
26#include <linux/pnp.h> 26#include <linux/pnp.h>
27#include <linux/err.h>
28#include <linux/platform_device.h>
27#include <linux/moduleparam.h> 29#include <linux/moduleparam.h>
28#include <sound/core.h> 30#include <sound/core.h>
29#include <sound/sb.h> 31#include <sound/sb.h>
@@ -32,7 +34,6 @@
32#include <sound/opl3.h> 34#include <sound/opl3.h>
33#include <sound/emu8000.h> 35#include <sound/emu8000.h>
34#include <sound/seq_device.h> 36#include <sound/seq_device.h>
35#define SNDRV_LEGACY_AUTO_PROBE
36#define SNDRV_LEGACY_FIND_FREE_IRQ 37#define SNDRV_LEGACY_FIND_FREE_IRQ
37#define SNDRV_LEGACY_FIND_FREE_DMA 38#define SNDRV_LEGACY_FIND_FREE_DMA
38#include <sound/initval.h> 39#include <sound/initval.h>
@@ -129,6 +130,7 @@ MODULE_PARM_DESC(seq_ports, "Number of sequencer ports for WaveTable synth.");
129 130
130struct snd_card_sb16 { 131struct snd_card_sb16 {
131 struct resource *fm_res; /* used to block FM i/o region for legacy cards */ 132 struct resource *fm_res; /* used to block FM i/o region for legacy cards */
133 struct snd_sb *chip;
132#ifdef CONFIG_PNP 134#ifdef CONFIG_PNP
133 int dev_no; 135 int dev_no;
134 struct pnp_dev *dev; 136 struct pnp_dev *dev;
@@ -138,8 +140,6 @@ struct snd_card_sb16 {
138#endif 140#endif
139}; 141};
140 142
141static struct snd_card *snd_sb16_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
142
143#ifdef CONFIG_PNP 143#ifdef CONFIG_PNP
144 144
145static struct pnp_card_device_id snd_sb16_pnpids[] = { 145static struct pnp_card_device_id snd_sb16_pnpids[] = {
@@ -341,7 +341,7 @@ __wt_error:
341 341
342static void snd_sb16_free(struct snd_card *card) 342static void snd_sb16_free(struct snd_card *card)
343{ 343{
344 struct snd_card_sb16 *acard = (struct snd_card_sb16 *)card->private_data; 344 struct snd_card_sb16 *acard = card->private_data;
345 345
346 if (acard == NULL) 346 if (acard == NULL)
347 return; 347 return;
@@ -354,17 +354,21 @@ static void snd_sb16_free(struct snd_card *card)
354#define is_isapnp_selected(dev) 0 354#define is_isapnp_selected(dev) 0
355#endif 355#endif
356 356
357static int __init snd_sb16_probe(int dev, 357static struct snd_card *snd_sb16_card_new(int dev)
358 struct pnp_card_link *pcard, 358{
359 const struct pnp_card_device_id *pid) 359 struct snd_card *card = snd_card_new(index[dev], id[dev], THIS_MODULE,
360 sizeof(struct snd_card_sb16));
361 if (card == NULL)
362 return NULL;
363 card->private_free = snd_sb16_free;
364 return card;
365}
366
367static int __init snd_sb16_probe(struct snd_card *card, int dev)
360{ 368{
361 static int possible_irqs[] = {5, 9, 10, 7, -1};
362 static int possible_dmas8[] = {1, 3, 0, -1};
363 static int possible_dmas16[] = {5, 6, 7, -1};
364 int xirq, xdma8, xdma16; 369 int xirq, xdma8, xdma16;
365 struct snd_sb *chip; 370 struct snd_sb *chip;
366 struct snd_card *card; 371 struct snd_card_sb16 *acard = card->private_data;
367 struct snd_card_sb16 *acard;
368 struct snd_opl3 *opl3; 372 struct snd_opl3 *opl3;
369 struct snd_hwdep *synth = NULL; 373 struct snd_hwdep *synth = NULL;
370#ifdef CONFIG_SND_SB16_CSP 374#ifdef CONFIG_SND_SB16_CSP
@@ -373,54 +377,9 @@ static int __init snd_sb16_probe(int dev,
373 unsigned long flags; 377 unsigned long flags;
374 int err; 378 int err;
375 379
376 card = snd_card_new(index[dev], id[dev], THIS_MODULE,
377 sizeof(struct snd_card_sb16));
378 if (card == NULL)
379 return -ENOMEM;
380 acard = (struct snd_card_sb16 *) card->private_data;
381 card->private_free = snd_sb16_free;
382#ifdef CONFIG_PNP
383 if (isapnp[dev]) {
384 if ((err = snd_card_sb16_pnp(dev, acard, pcard, pid)))
385 goto _err;
386 snd_card_set_dev(card, &pcard->card->dev);
387 }
388#endif
389
390 xirq = irq[dev]; 380 xirq = irq[dev];
391 xdma8 = dma8[dev]; 381 xdma8 = dma8[dev];
392 xdma16 = dma16[dev]; 382 xdma16 = dma16[dev];
393 if (! is_isapnp_selected(dev)) {
394 if (xirq == SNDRV_AUTO_IRQ) {
395 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
396 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
397 err = -EBUSY;
398 goto _err;
399 }
400 }
401 if (xdma8 == SNDRV_AUTO_DMA) {
402 if ((xdma8 = snd_legacy_find_free_dma(possible_dmas8)) < 0) {
403 snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n");
404 err = -EBUSY;
405 goto _err;
406 }
407 }
408 if (xdma16 == SNDRV_AUTO_DMA) {
409 if ((xdma16 = snd_legacy_find_free_dma(possible_dmas16)) < 0) {
410 snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n");
411 err = -EBUSY;
412 goto _err;
413 }
414 }
415 /* non-PnP FM port address is hardwired with base port address */
416 fm_port[dev] = port[dev];
417 /* block the 0x388 port to avoid PnP conflicts */
418 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
419#ifdef SNDRV_SBAWE_EMU8000
420 /* non-PnP AWE port address is hardwired with base port address */
421 awe_port[dev] = port[dev] + 0x400;
422#endif
423 }
424 383
425 if ((err = snd_sbdsp_create(card, 384 if ((err = snd_sbdsp_create(card,
426 port[dev], 385 port[dev],
@@ -430,19 +389,19 @@ static int __init snd_sb16_probe(int dev,
430 xdma16, 389 xdma16,
431 SB_HW_AUTO, 390 SB_HW_AUTO,
432 &chip)) < 0) 391 &chip)) < 0)
433 goto _err; 392 return err;
434 393
394 acard->chip = chip;
435 if (chip->hardware != SB_HW_16) { 395 if (chip->hardware != SB_HW_16) {
436 snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]); 396 snd_printk(KERN_ERR PFX "SB 16 chip was not detected at 0x%lx\n", port[dev]);
437 err = -ENODEV; 397 return -ENODEV;
438 goto _err;
439 } 398 }
440 chip->mpu_port = mpu_port[dev]; 399 chip->mpu_port = mpu_port[dev];
441 if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0) 400 if (! is_isapnp_selected(dev) && (err = snd_sb16dsp_configure(chip)) < 0)
442 goto _err; 401 return err;
443 402
444 if ((err = snd_sb16dsp_pcm(chip, 0, NULL)) < 0) 403 if ((err = snd_sb16dsp_pcm(chip, 0, &chip->pcm)) < 0)
445 goto _err; 404 return err;
446 405
447 strcpy(card->driver, 406 strcpy(card->driver,
448#ifdef SNDRV_SBAWE_EMU8000 407#ifdef SNDRV_SBAWE_EMU8000
@@ -464,7 +423,7 @@ static int __init snd_sb16_probe(int dev,
464 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB, 423 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_SB,
465 chip->mpu_port, 0, 424 chip->mpu_port, 0,
466 xirq, 0, &chip->rmidi)) < 0) 425 xirq, 0, &chip->rmidi)) < 0)
467 goto _err; 426 return err;
468 chip->rmidi_callback = snd_mpu401_uart_interrupt; 427 chip->rmidi_callback = snd_mpu401_uart_interrupt;
469 } 428 }
470 429
@@ -487,12 +446,12 @@ static int __init snd_sb16_probe(int dev,
487 int seqdev = 1; 446 int seqdev = 1;
488#endif 447#endif
489 if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0) 448 if ((err = snd_opl3_hwdep_new(opl3, 0, seqdev, &synth)) < 0)
490 goto _err; 449 return err;
491 } 450 }
492 } 451 }
493 452
494 if ((err = snd_sbmixer_new(chip)) < 0) 453 if ((err = snd_sbmixer_new(chip)) < 0)
495 goto _err; 454 return err;
496 455
497#ifdef CONFIG_SND_SB16_CSP 456#ifdef CONFIG_SND_SB16_CSP
498 /* CSP chip on SB16ASP/AWE32 */ 457 /* CSP chip on SB16ASP/AWE32 */
@@ -512,7 +471,7 @@ static int __init snd_sb16_probe(int dev,
512 seq_ports[dev], NULL)) < 0) { 471 seq_ports[dev], NULL)) < 0) {
513 snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]); 472 snd_printk(KERN_ERR PFX "fatal error - EMU-8000 synthesizer not detected at 0x%lx\n", awe_port[dev]);
514 473
515 goto _err; 474 return err;
516 } 475 }
517 } 476 }
518#endif 477#endif
@@ -524,56 +483,168 @@ static int __init snd_sb16_probe(int dev,
524 (mic_agc[dev] ? 0x00 : 0x01)); 483 (mic_agc[dev] ? 0x00 : 0x01));
525 spin_unlock_irqrestore(&chip->mixer_lock, flags); 484 spin_unlock_irqrestore(&chip->mixer_lock, flags);
526 485
527 if ((err = snd_card_set_generic_dev(card)) < 0)
528 goto _err;
529
530 if ((err = snd_card_register(card)) < 0) 486 if ((err = snd_card_register(card)) < 0)
531 goto _err; 487 return err;
532 488
533 if (pcard)
534 pnp_set_card_drvdata(pcard, card);
535 else
536 snd_sb16_legacy[dev] = card;
537 return 0; 489 return 0;
490}
491
492#ifdef CONFIG_PM
493static int snd_sb16_suspend(struct snd_card *card, pm_message_t state)
494{
495 struct snd_card_sb16 *acard = card->private_data;
496 struct snd_sb *chip = acard->chip;
538 497
539 _err: 498 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
540 snd_card_free(card); 499 snd_pcm_suspend_all(chip->pcm);
541 return err; 500 snd_sbmixer_suspend(chip);
501 return 0;
542} 502}
543 503
544static int __init snd_sb16_probe_legacy_port(unsigned long xport) 504static int snd_sb16_resume(struct snd_card *card)
545{ 505{
546 static int dev; 506 struct snd_card_sb16 *acard = card->private_data;
547 int res; 507 struct snd_sb *chip = acard->chip;
548 508
549 for ( ; dev < SNDRV_CARDS; dev++) { 509 snd_sbdsp_reset(chip);
550 if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT) 510 snd_sbmixer_resume(chip);
551 continue; 511 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
552 if (is_isapnp_selected(dev)) 512 return 0;
553 continue; 513}
554 port[dev] = xport; 514#endif
555 res = snd_sb16_probe(dev, NULL, NULL); 515
556 if (res < 0) 516static int __init snd_sb16_nonpnp_probe1(int dev, struct platform_device *devptr)
557 port[dev] = SNDRV_AUTO_PORT; 517{
558 return res; 518 struct snd_card_sb16 *acard;
519 struct snd_card *card;
520 int err;
521
522 card = snd_sb16_card_new(dev);
523 if (! card)
524 return -ENOMEM;
525
526 acard = card->private_data;
527 /* non-PnP FM port address is hardwired with base port address */
528 fm_port[dev] = port[dev];
529 /* block the 0x388 port to avoid PnP conflicts */
530 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
531#ifdef SNDRV_SBAWE_EMU8000
532 /* non-PnP AWE port address is hardwired with base port address */
533 awe_port[dev] = port[dev] + 0x400;
534#endif
535
536 snd_card_set_dev(card, &devptr->dev);
537 if ((err = snd_sb16_probe(card, dev)) < 0) {
538 snd_card_free(card);
539 return err;
559 } 540 }
560 return -ENODEV; 541 platform_set_drvdata(devptr, card);
542 return 0;
561} 543}
562 544
545
546static int __init snd_sb16_nonpnp_probe(struct platform_device *pdev)
547{
548 int dev = pdev->id;
549 int err;
550 static int possible_irqs[] = {5, 9, 10, 7, -1};
551 static int possible_dmas8[] = {1, 3, 0, -1};
552 static int possible_dmas16[] = {5, 6, 7, -1};
553
554 if (irq[dev] == SNDRV_AUTO_IRQ) {
555 if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
556 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
557 return -EBUSY;
558 }
559 }
560 if (dma8[dev] == SNDRV_AUTO_DMA) {
561 if ((dma8[dev] = snd_legacy_find_free_dma(possible_dmas8)) < 0) {
562 snd_printk(KERN_ERR PFX "unable to find a free 8-bit DMA\n");
563 return -EBUSY;
564 }
565 }
566 if (dma16[dev] == SNDRV_AUTO_DMA) {
567 if ((dma16[dev] = snd_legacy_find_free_dma(possible_dmas16)) < 0) {
568 snd_printk(KERN_ERR PFX "unable to find a free 16-bit DMA\n");
569 return -EBUSY;
570 }
571 }
572
573 if (port[dev] != SNDRV_AUTO_PORT)
574 return snd_sb16_nonpnp_probe1(dev, pdev);
575 else {
576 static int possible_ports[] = {0x220, 0x240, 0x260, 0x280};
577 int i;
578 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
579 port[dev] = possible_ports[i];
580 err = snd_sb16_nonpnp_probe1(dev, pdev);
581 if (! err)
582 return 0;
583 }
584 return err;
585 }
586}
587
588static int __devexit snd_sb16_nonpnp_remove(struct platform_device *devptr)
589{
590 snd_card_free(platform_get_drvdata(devptr));
591 platform_set_drvdata(devptr, NULL);
592 return 0;
593}
594
595#ifdef CONFIG_PM
596static int snd_sb16_nonpnp_suspend(struct platform_device *dev, pm_message_t state)
597{
598 return snd_sb16_suspend(platform_get_drvdata(dev), state);
599}
600
601static int snd_sb16_nonpnp_resume(struct platform_device *dev)
602{
603 return snd_sb16_resume(platform_get_drvdata(dev));
604}
605#endif
606
607#ifdef SNDRV_SBAWE
608#define SND_SB16_DRIVER "snd_sbawe"
609#else
610#define SND_SB16_DRIVER "snd_sb16"
611#endif
612
613static struct platform_driver snd_sb16_nonpnp_driver = {
614 .probe = snd_sb16_nonpnp_probe,
615 .remove = __devexit_p(snd_sb16_nonpnp_remove),
616#ifdef CONFIG_PM
617 .suspend = snd_sb16_nonpnp_suspend,
618 .resume = snd_sb16_nonpnp_resume,
619#endif
620 .driver = {
621 .name = SND_SB16_DRIVER
622 },
623};
624
625
563#ifdef CONFIG_PNP 626#ifdef CONFIG_PNP
564 627
565static int __devinit snd_sb16_pnp_detect(struct pnp_card_link *card, 628static int __devinit snd_sb16_pnp_detect(struct pnp_card_link *pcard,
566 const struct pnp_card_device_id *id) 629 const struct pnp_card_device_id *pid)
567{ 630{
568 static int dev; 631 static int dev;
632 struct snd_card *card;
569 int res; 633 int res;
570 634
571 for ( ; dev < SNDRV_CARDS; dev++) { 635 for ( ; dev < SNDRV_CARDS; dev++) {
572 if (!enable[dev] || !isapnp[dev]) 636 if (!enable[dev] || !isapnp[dev])
573 continue; 637 continue;
574 res = snd_sb16_probe(dev, card, id); 638 card = snd_sb16_card_new(dev);
575 if (res < 0) 639 if (! card)
640 return -ENOMEM;
641 snd_card_set_dev(card, &pcard->card->dev);
642 if ((res = snd_card_sb16_pnp(dev, card->private_data, pcard, pid)) < 0 ||
643 (res = snd_sb16_probe(card, dev)) < 0) {
644 snd_card_free(card);
576 return res; 645 return res;
646 }
647 pnp_set_card_drvdata(pcard, card);
577 dev++; 648 dev++;
578 return 0; 649 return 0;
579 } 650 }
@@ -583,50 +654,63 @@ static int __devinit snd_sb16_pnp_detect(struct pnp_card_link *card,
583 654
584static void __devexit snd_sb16_pnp_remove(struct pnp_card_link * pcard) 655static void __devexit snd_sb16_pnp_remove(struct pnp_card_link * pcard)
585{ 656{
586 struct snd_card *card = (struct snd_card *) pnp_get_card_drvdata(pcard); 657 snd_card_free(pnp_get_card_drvdata(pcard));
658 pnp_set_card_drvdata(pcard, NULL);
659}
587 660
588 snd_card_disconnect(card); 661#ifdef CONFIG_PM
589 snd_card_free_in_thread(card); 662static int snd_sb16_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
663{
664 return snd_sb16_suspend(pnp_get_card_drvdata(pcard), state);
590} 665}
666static int snd_sb16_pnp_resume(struct pnp_card_link *pcard)
667{
668 return snd_sb16_resume(pnp_get_card_drvdata(pcard));
669}
670#endif
591 671
592static struct pnp_card_driver sb16_pnpc_driver = { 672static struct pnp_card_driver sb16_pnpc_driver = {
593 .flags = PNP_DRIVER_RES_DISABLE, 673 .flags = PNP_DRIVER_RES_DISABLE,
674#ifdef SNDRV_SBAWE
675 .name = "sbawe",
676#else
594 .name = "sb16", 677 .name = "sb16",
678#endif
595 .id_table = snd_sb16_pnpids, 679 .id_table = snd_sb16_pnpids,
596 .probe = snd_sb16_pnp_detect, 680 .probe = snd_sb16_pnp_detect,
597 .remove = __devexit_p(snd_sb16_pnp_remove), 681 .remove = __devexit_p(snd_sb16_pnp_remove),
682#ifdef CONFIG_PM
683 .suspend = snd_sb16_pnp_suspend,
684 .resume = snd_sb16_pnp_resume,
685#endif
598}; 686};
599 687
600#endif /* CONFIG_PNP */ 688#endif /* CONFIG_PNP */
601 689
602static int __init alsa_card_sb16_init(void) 690static int __init alsa_card_sb16_init(void)
603{ 691{
604 int dev, cards = 0, i; 692 int i, err, cards = 0;
605 static unsigned long possible_ports[] = {0x220, 0x240, 0x260, 0x280, -1};
606 693
607 /* legacy non-auto cards at first */ 694 if ((err = platform_driver_register(&snd_sb16_nonpnp_driver)) < 0)
608 for (dev = 0; dev < SNDRV_CARDS; dev++) { 695 return err;
609 if (!enable[dev] || port[dev] == SNDRV_AUTO_PORT) 696
610 continue; 697 for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
611 if (is_isapnp_selected(dev)) 698 struct platform_device *device;
612 continue; 699 if (is_isapnp_selected(i))
613 if (!snd_sb16_probe(dev, NULL, NULL)) {
614 cards++;
615 continue; 700 continue;
701 device = platform_device_register_simple(SND_SB16_DRIVER,
702 i, NULL, 0);
703 if (IS_ERR(device)) {
704 err = PTR_ERR(device);
705 platform_driver_unregister(&snd_sb16_nonpnp_driver);
706 return err;
616 } 707 }
617#ifdef MODULE 708 cards++;
618 snd_printk(KERN_ERR "Sound Blaster 16+ soundcard #%i not found at 0x%lx or device busy\n", dev, port[dev]);
619#endif
620 } 709 }
621 /* legacy auto configured cards */
622 i = snd_legacy_auto_probe(possible_ports, snd_sb16_probe_legacy_port);
623 if (i > 0)
624 cards += i;
625
626#ifdef CONFIG_PNP 710#ifdef CONFIG_PNP
627 /* PnP cards at last */ 711 /* PnP cards at last */
628 i = pnp_register_card_driver(&sb16_pnpc_driver); 712 i = pnp_register_card_driver(&sb16_pnpc_driver);
629 if (i >0) 713 if (i > 0)
630 cards += i; 714 cards += i;
631#endif 715#endif
632 716
@@ -634,6 +718,7 @@ static int __init alsa_card_sb16_init(void)
634#ifdef CONFIG_PNP 718#ifdef CONFIG_PNP
635 pnp_unregister_card_driver(&sb16_pnpc_driver); 719 pnp_unregister_card_driver(&sb16_pnpc_driver);
636#endif 720#endif
721 platform_driver_unregister(&snd_sb16_nonpnp_driver);
637#ifdef MODULE 722#ifdef MODULE
638 snd_printk(KERN_ERR "Sound Blaster 16 soundcard not found or device busy\n"); 723 snd_printk(KERN_ERR "Sound Blaster 16 soundcard not found or device busy\n");
639#ifdef SNDRV_SBAWE_EMU8000 724#ifdef SNDRV_SBAWE_EMU8000
@@ -649,14 +734,10 @@ static int __init alsa_card_sb16_init(void)
649 734
650static void __exit alsa_card_sb16_exit(void) 735static void __exit alsa_card_sb16_exit(void)
651{ 736{
652 int dev;
653
654#ifdef CONFIG_PNP 737#ifdef CONFIG_PNP
655 /* PnP cards first */
656 pnp_unregister_card_driver(&sb16_pnpc_driver); 738 pnp_unregister_card_driver(&sb16_pnpc_driver);
657#endif 739#endif
658 for (dev = 0; dev < SNDRV_CARDS; dev++) 740 platform_driver_unregister(&snd_sb16_nonpnp_driver);
659 snd_card_free(snd_sb16_legacy[dev]);
660} 741}
661 742
662module_init(alsa_card_sb16_init) 743module_init(alsa_card_sb16_init)