diff options
Diffstat (limited to 'sound/isa/gus/gusmax.c')
| -rw-r--r-- | sound/isa/gus/gusmax.c | 117 |
1 files changed, 72 insertions, 45 deletions
diff --git a/sound/isa/gus/gusmax.c b/sound/isa/gus/gusmax.c index 63311cd..d1b70ee 100644 --- a/sound/isa/gus/gusmax.c +++ b/sound/isa/gus/gusmax.c @@ -20,15 +20,16 @@ */ #include <sound/driver.h> -#include <asm/dma.h> #include <linux/init.h> +#include <linux/err.h> +#include <linux/platform_device.h> #include <linux/delay.h> #include <linux/time.h> #include <linux/moduleparam.h> +#include <asm/dma.h> #include <sound/core.h> #include <sound/gus.h> #include <sound/cs4231.h> -#define SNDRV_LEGACY_AUTO_PROBE #define SNDRV_LEGACY_FIND_FREE_IRQ #define SNDRV_LEGACY_FIND_FREE_DMA #include <sound/initval.h> @@ -80,8 +81,6 @@ struct snd_gusmax { unsigned short pcm_status_reg; }; -static struct snd_card *snd_gusmax_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; - #define PFX "gusmax: " static int __init snd_gusmax_detect(struct snd_gus_card * gus) @@ -203,8 +202,9 @@ static void snd_gusmax_free(struct snd_card *card) free_irq(maxcard->irq, (void *)maxcard); } -static int __init snd_gusmax_probe(int dev) +static int __init snd_gusmax_probe(struct platform_device *pdev) { + int dev = pdev->id; static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1}; static int possible_dmas[] = {5, 6, 7, 1, 3, -1}; int xirq, xdma1, xdma2, err; @@ -247,12 +247,32 @@ static int __init snd_gusmax_probe(int dev) } } - if ((err = snd_gus_create(card, - port[dev], - -xirq, xdma1, xdma2, - 0, channels[dev], - pcm_channels[dev], - 0, &gus)) < 0) + if (port[dev] != SNDRV_AUTO_PORT) { + err = snd_gus_create(card, + port[dev], + -xirq, xdma1, xdma2, + 0, channels[dev], + pcm_channels[dev], + 0, &gus); + } else { + static unsigned long possible_ports[] = { + 0x220, 0x230, 0x240, 0x250, 0x260 + }; + int i; + for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { + err = snd_gus_create(card, + possible_ports[i], + -xirq, xdma1, xdma2, + 0, channels[dev], + pcm_channels[dev], + 0, &gus); + if (err >= 0) { + port[dev] = possible_ports[i]; + break; + } + } + } + if (err < 0) goto _err; if ((err = snd_gusmax_detect(gus)) < 0) @@ -310,15 +330,15 @@ static int __init snd_gusmax_probe(int dev) if (xdma2 >= 0) sprintf(card->longname + strlen(card->longname), "&%i", xdma2); - 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; maxcard->gus = gus; maxcard->cs4231 = cs4231; - snd_gusmax_cards[dev] = card; + + platform_set_drvdata(pdev, card); return 0; _err: @@ -326,53 +346,60 @@ static int __init snd_gusmax_probe(int dev) return err; } -static int __init snd_gusmax_legacy_auto_probe(unsigned long xport) +static int snd_gusmax_remove(struct platform_device *devptr) { - static int dev; - int res; - - for ( ; dev < SNDRV_CARDS; dev++) { - if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT) - continue; - port[dev] = xport; - res = snd_gusmax_probe(dev); - if (res < 0) - port[dev] = SNDRV_AUTO_PORT; - return res; - } - return -ENODEV; + snd_card_free(platform_get_drvdata(devptr)); + platform_set_drvdata(devptr, NULL); + return 0; } +#define GUSMAX_DRIVER "snd_gusmax" + +static struct platform_driver snd_gusmax_driver = { + .probe = snd_gusmax_probe, + .remove = snd_gusmax_remove, + /* FIXME: suspend/resume */ + .driver = { + .name = GUSMAX_DRIVER + }, +}; + static int __init alsa_card_gusmax_init(void) { - static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1}; - int dev, cards, i; - - for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev] > 0; dev++) { - if (port[dev] == SNDRV_AUTO_PORT) - continue; - if (snd_gusmax_probe(dev) >= 0) - cards++; - } - i = snd_legacy_auto_probe(possible_ports, snd_gusmax_legacy_auto_probe); - if (i > 0) - cards += i; + int i, cards, err; + + err = platform_driver_register(&snd_gusmax_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(GUSMAX_DRIVER, + i, NULL, 0); + if (IS_ERR(device)) { + err = PTR_ERR(device); + goto errout; + } + cards++; + } if (!cards) { #ifdef MODULE printk(KERN_ERR "GUS MAX soundcard not found or device busy\n"); #endif - return -ENODEV; + err = -ENODEV; + goto errout; } return 0; + + errout: + platform_driver_unregister(&snd_gusmax_driver); + return err; } static void __exit alsa_card_gusmax_exit(void) { - int idx; - - for (idx = 0; idx < SNDRV_CARDS; idx++) - snd_card_free(snd_gusmax_cards[idx]); + platform_driver_unregister(&snd_gusmax_driver); } module_init(alsa_card_gusmax_init) |
