[ALSA] gus - Use platform_device
Rewrite the probe/remove with platform_device. Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
committed by
Jaroslav Kysela
Jaroslav Kysela
parent
2a571ed13c
commit
654aa66177
@@ -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;
|
||||
int i, cards, err;
|
||||
|
||||
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++;
|
||||
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++;
|
||||
}
|
||||
i = snd_legacy_auto_probe(possible_ports, snd_gusmax_legacy_auto_probe);
|
||||
if (i > 0)
|
||||
cards += i;
|
||||
|
||||
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)
|
||||
|
||||
Reference in New Issue
Block a user