diff options
| -rw-r--r-- | sound/isa/sb/sb8.c | 154 |
1 files changed, 107 insertions, 47 deletions
diff --git a/sound/isa/sb/sb8.c b/sound/isa/sb/sb8.c index 5116038fcb4a..0a3d55d639a9 100644 --- a/sound/isa/sb/sb8.c +++ b/sound/isa/sb/sb8.c @@ -21,13 +21,14 @@ #include <sound/driver.h> #include <linux/init.h> +#include <linux/err.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/ioport.h> #include <linux/moduleparam.h> #include <sound/core.h> #include <sound/sb.h> #include <sound/opl3.h> -#define SNDRV_LEGACY_AUTO_PROBE #include <sound/initval.h> MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); @@ -57,10 +58,9 @@ MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver."); struct snd_sb8 { struct resource *fm_res; /* used to block FM i/o region for legacy cards */ + struct snd_sb *chip; }; -static struct snd_card *snd_sb8_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; - static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id, struct pt_regs *regs) { struct snd_sb *chip = dev_id; @@ -81,8 +81,9 @@ static void snd_sb8_free(struct snd_card *card) release_and_free_resource(acard->fm_res); } -static int __init snd_sb8_probe(int dev) +static int __init snd_sb8_probe(struct platform_device *pdev) { + int dev = pdev->id; struct snd_sb *chip; struct snd_card *card; struct snd_sb8 *acard; @@ -93,20 +94,44 @@ static int __init snd_sb8_probe(int dev) sizeof(struct snd_sb8)); if (card == NULL) return -ENOMEM; - acard = (struct snd_sb8 *)card->private_data; + acard = card->private_data; card->private_free = snd_sb8_free; /* block the 0x388 port to avoid PnP conflicts */ acard->fm_res = request_region(0x388, 4, "SoundBlaster FM"); - if ((err = snd_sbdsp_create(card, port[dev], irq[dev], - snd_sb8_interrupt, - dma8[dev], - -1, - SB_HW_AUTO, - &chip)) < 0) - goto _err; - + if (port[dev] != SNDRV_AUTO_PORT) { + if ((err = snd_sbdsp_create(card, port[dev], irq[dev], + snd_sb8_interrupt, + dma8[dev], + -1, + SB_HW_AUTO, + &chip)) < 0) + goto _err; + } else { + /* auto-probe legacy ports */ + static unsigned long possible_ports[] = { + 0x220, 0x240, 0x260, + }; + int i; + for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { + err = snd_sbdsp_create(card, possible_ports[i], + irq[dev], + snd_sb8_interrupt, + dma8[dev], + -1, + SB_HW_AUTO, + &chip); + if (err >= 0) { + port[dev] = possible_ports[i]; + break; + } + } + if (i >= ARRAY_SIZE(possible_ports)) + goto _err; + } + acard->chip = chip; + if (chip->hardware >= SB_HW_16) { if (chip->hardware == SB_HW_ALS100) snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n", @@ -153,13 +178,12 @@ static int __init snd_sb8_probe(int dev) chip->port, irq[dev], dma8[dev]); - if ((err = snd_card_set_generic_dev(card)) < 0) - goto _err; + snd_card_set_dev(card, &pdev->dev); if ((err = snd_card_register(card)) < 0) goto _err; - snd_sb8_cards[dev] = card; + platform_set_drvdata(pdev, card); return 0; _err: @@ -167,53 +191,89 @@ static int __init snd_sb8_probe(int dev) return err; } -static int __init snd_card_sb8_legacy_auto_probe(unsigned long xport) +static int snd_sb8_remove(struct platform_device *pdev) +{ + snd_card_free(platform_get_drvdata(pdev)); + platform_set_drvdata(pdev, NULL); + return 0; +} + +#ifdef CONFIG_PM +static int snd_sb8_suspend(struct platform_device *dev, pm_message_t state) +{ + struct snd_card *card = platform_get_drvdata(dev); + struct snd_sb8 *acard = card->private_data; + struct snd_sb *chip = acard->chip; + + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + snd_pcm_suspend_all(chip->pcm); + snd_sbmixer_suspend(chip); + return 0; +} + +static int snd_sb8_resume(struct platform_device *dev) { - static int dev; - int res; - - for ( ; dev < SNDRV_CARDS; dev++) { - if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT) - continue; - port[dev] = xport; - res = snd_sb8_probe(dev); - if (res < 0) - port[dev] = SNDRV_AUTO_PORT; - return res; - } - return -ENODEV; + struct snd_card *card = platform_get_drvdata(dev); + struct snd_sb8 *acard = card->private_data; + struct snd_sb *chip = acard->chip; + + snd_sbdsp_reset(chip); + snd_sbmixer_resume(chip); + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; } +#endif + +#define SND_SB8_DRIVER "snd_sb8" + +static struct platform_driver snd_sb8_driver = { + .probe = snd_sb8_probe, + .remove = snd_sb8_remove, +#ifdef CONFIG_PM + .suspend = snd_sb8_suspend, + .resume = snd_sb8_resume, +#endif + .driver = { + .name = SND_SB8_DRIVER + }, +}; static int __init alsa_card_sb8_init(void) { - static unsigned long possible_ports[] = {0x220, 0x240, 0x260, -1}; - int dev, cards, i; - - for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) { - if (port[dev] == SNDRV_AUTO_PORT) - continue; - if (snd_sb8_probe(dev) >= 0) - cards++; + int i, cards, err; + + err = platform_driver_register(&snd_sb8_driver); + if (err < 0) + return err; + + cards = 0; + for (i = 0; i < SNDRV_CARDS && enable[i]; i++) { + struct platform_device *device; + device = platform_device_register_simple(SND_SB8_DRIVER, + i, NULL, 0); + if (IS_ERR(device)) { + err = PTR_ERR(device); + goto errout; + } + cards++; } - i = snd_legacy_auto_probe(possible_ports, snd_card_sb8_legacy_auto_probe); - if (i > 0) - cards += i; - if (!cards) { #ifdef MODULE snd_printk(KERN_ERR "Sound Blaster soundcard not found or device busy\n"); #endif - return -ENODEV; + err = -ENODEV; + goto errout; } return 0; + + errout: + platform_driver_unregister(&snd_sb8_driver); + return err; } static void __exit alsa_card_sb8_exit(void) { - int idx; - - for (idx = 0; idx < SNDRV_CARDS; idx++) - snd_card_free(snd_sb8_cards[idx]); + platform_driver_unregister(&snd_sb8_driver); } module_init(alsa_card_sb8_init) |