[ALSA] cs4236 - Use platform_device

Modules: CS4236+ driver

Rewrite the probe/remove with platform_device.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2005-11-17 17:00:53 +01:00 committed by Jaroslav Kysela
parent 8b91375736
commit 6bba41ac97

View File

@ -21,6 +21,8 @@
#include <sound/driver.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/pnp.h>
#include <linux/moduleparam.h>
@ -123,6 +125,7 @@ module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for " IDENT " driver.");
struct snd_card_cs4236 {
struct snd_cs4231 *chip;
struct resource *res_sb_port;
#ifdef CONFIG_PNP
struct pnp_dev *wss;
@ -131,8 +134,6 @@ struct snd_card_cs4236 {
#endif
};
static struct snd_card *snd_cs4236_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
#ifdef CONFIG_PNP
#define ISAPNP_CS4232(_va, _vb, _vc, _device, _wss, _ctrl, _mpu401) \
@ -158,6 +159,8 @@ static struct snd_card *snd_cs4236_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
#ifdef CS4232
#define CS423X_DRIVER "snd_cs4232"
#define CS423X_ISAPNP_DRIVER "cs4232_isapnp"
static struct pnp_card_device_id snd_cs423x_pnpids[] = {
/* Philips PCA70PS */
{ .id = "CSC0d32", .devs = { { "CSC0000" }, { "CSC0010" }, { "PNPb006" } } },
@ -177,6 +180,8 @@ static struct pnp_card_device_id snd_cs423x_pnpids[] = {
{ .id = "" } /* end */
};
#else /* CS4236 */
#define CS423X_DRIVER "snd_cs4236"
#define CS423X_ISAPNP_DRIVER "cs4236_isapnp"
static struct pnp_card_device_id snd_cs423x_pnpids[] = {
/* Intel Marlin Spike Motherboard - CS4235 */
{ .id = "CSC0225", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } },
@ -375,60 +380,44 @@ static int __devinit snd_card_cs4236_pnp(int dev, struct snd_card_cs4236 *acard,
}
#endif /* CONFIG_PNP */
static void snd_card_cs4236_free(struct snd_card *card)
{
struct snd_card_cs4236 *acard = (struct snd_card_cs4236 *)card->private_data;
if (acard)
release_and_free_resource(acard->res_sb_port);
}
#ifdef CONFIG_PNP
#define is_isapnp_selected(dev) isapnp[dev]
#else
#define is_isapnp_selected(dev) 0
#endif
static int __devinit snd_card_cs423x_probe(int dev, struct pnp_card_link *pcard,
const struct pnp_card_device_id *pid)
static void snd_card_cs4236_free(struct snd_card *card)
{
struct snd_card_cs4236 *acard = card->private_data;
release_and_free_resource(acard->res_sb_port);
}
static struct snd_card *snd_cs423x_card_new(int dev)
{
struct snd_card *card;
card = snd_card_new(index[dev], id[dev], THIS_MODULE,
sizeof(struct snd_card_cs4236));
if (card == NULL)
return NULL;
card->private_free = snd_card_cs4236_free;
return card;
}
static int __devinit snd_cs423x_probe(struct snd_card *card, int dev)
{
struct snd_card_cs4236 *acard;
struct snd_pcm *pcm = NULL;
struct snd_pcm *pcm;
struct snd_cs4231 *chip;
struct snd_opl3 *opl3;
int err;
if (! is_isapnp_selected(dev)) {
if (port[dev] == SNDRV_AUTO_PORT) {
snd_printk(KERN_ERR "specify port\n");
return -EINVAL;
}
if (cport[dev] == SNDRV_AUTO_PORT) {
snd_printk(KERN_ERR "specify cport\n");
return -EINVAL;
}
}
card = snd_card_new(index[dev], id[dev], THIS_MODULE,
sizeof(struct snd_card_cs4236));
if (card == NULL)
return -ENOMEM;
acard = (struct snd_card_cs4236 *)card->private_data;
card->private_free = snd_card_cs4236_free;
#ifdef CONFIG_PNP
if (isapnp[dev]) {
if ((err = snd_card_cs4236_pnp(dev, acard, pcard, pid))<0) {
printk(KERN_ERR "isapnp detection failed and probing for " IDENT " is not supported\n");
goto _err;
}
snd_card_set_dev(card, &pcard->card->dev);
}
#endif
acard = card->private_data;
if (sb_port[dev] > 0 && sb_port[dev] != SNDRV_AUTO_PORT)
if ((acard->res_sb_port = request_region(sb_port[dev], 16, IDENT " SB")) == NULL) {
printk(KERN_ERR IDENT ": unable to register SB port at 0x%lx\n", sb_port[dev]);
err = -EBUSY;
goto _err;
return -EBUSY;
}
#ifdef CS4232
@ -441,13 +430,14 @@ static int __devinit snd_card_cs423x_probe(int dev, struct pnp_card_link *pcard,
CS4231_HW_DETECT,
0,
&chip)) < 0)
goto _err;
return err;
acard->chip = chip;
if ((err = snd_cs4231_pcm(chip, 0, &pcm)) < 0)
goto _err;
return err;
if ((err = snd_cs4231_mixer(chip)) < 0)
goto _err;
return err;
#else /* CS4236 */
if ((err = snd_cs4236_create(card,
@ -459,13 +449,14 @@ static int __devinit snd_card_cs423x_probe(int dev, struct pnp_card_link *pcard,
CS4231_HW_DETECT,
0,
&chip)) < 0)
goto _err;
return err;
acard->chip = chip;
if ((err = snd_cs4236_pcm(chip, 0, &pcm)) < 0)
goto _err;
return err;
if ((err = snd_cs4236_mixer(chip)) < 0)
goto _err;
return err;
#endif
strcpy(card->driver, pcm->name);
strcpy(card->shortname, pcm->name);
@ -478,7 +469,7 @@ static int __devinit snd_card_cs423x_probe(int dev, struct pnp_card_link *pcard,
sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);
if ((err = snd_cs4231_timer(chip, 0, NULL)) < 0)
goto _err;
return err;
if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
if (snd_opl3_create(card,
@ -487,7 +478,7 @@ static int __devinit snd_card_cs423x_probe(int dev, struct pnp_card_link *pcard,
printk(KERN_WARNING IDENT ": OPL3 not detected\n");
} else {
if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
goto _err;
return err;
}
}
@ -501,77 +492,175 @@ static int __devinit snd_card_cs423x_probe(int dev, struct pnp_card_link *pcard,
printk(KERN_WARNING IDENT ": MPU401 not detected\n");
}
if ((err = snd_card_set_generic_dev(card)) < 0)
goto _err;
if ((err = snd_card_register(card)) < 0)
goto _err;
if (pcard)
pnp_set_card_drvdata(pcard, card);
else
snd_cs4236_legacy[dev] = card;
return 0;
_err:
snd_card_free(card);
return err;
return snd_card_register(card);
}
static int __init snd_cs423x_nonpnp_probe(struct platform_device *pdev)
{
int dev = pdev->id;
struct snd_card *card;
int err;
if (port[dev] == SNDRV_AUTO_PORT) {
snd_printk(KERN_ERR "specify port\n");
return -EINVAL;
}
if (cport[dev] == SNDRV_AUTO_PORT) {
snd_printk(KERN_ERR "specify cport\n");
return -EINVAL;
}
card = snd_cs423x_card_new(dev);
if (! card)
return -ENOMEM;
snd_card_set_dev(card, &pdev->dev);
if ((err = snd_cs423x_probe(card, dev)) < 0) {
snd_card_free(card);
return err;
}
platform_set_drvdata(pdev, card);
return 0;
}
static int __devexit snd_cs423x_nonpnp_remove(struct platform_device *devptr)
{
snd_card_free(platform_get_drvdata(devptr));
platform_set_drvdata(devptr, NULL);
return 0;
}
#ifdef CONFIG_PM
static int snd_cs423x_suspend(struct snd_card *card)
{
struct snd_card_cs4236 *acard = card->private_data;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
acard->chip->suspend(acard->chip);
return 0;
}
static int snd_cs423x_resume(struct snd_card *card)
{
struct snd_card_cs4236 *acard = card->private_data;
acard->chip->resume(acard->chip);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
static int snd_cs423x_nonpnp_suspend(struct platform_device *dev, pm_message_t state)
{
return snd_cs423x_suspend(platform_get_drvdata(dev));
}
static int snd_cs423x_nonpnp_resume(struct platform_device *dev)
{
return snd_cs423x_resume(platform_get_drvdata(dev));
}
#endif
static struct platform_driver snd_cs423x_nonpnp_driver = {
.probe = snd_cs423x_nonpnp_probe,
.remove = __devexit_p(snd_cs423x_nonpnp_remove),
#ifdef CONFIG_PM
.suspend = snd_cs423x_nonpnp_suspend,
.resume = snd_cs423x_nonpnp_resume,
#endif
.driver = {
.name = CS423X_DRIVER
},
};
#ifdef CONFIG_PNP
static int __devinit snd_cs423x_pnp_detect(struct pnp_card_link *card,
const struct pnp_card_device_id *id)
static int __devinit snd_cs423x_pnp_detect(struct pnp_card_link *pcard,
const struct pnp_card_device_id *pid)
{
static int dev;
struct snd_card *card;
int res;
for ( ; dev < SNDRV_CARDS; dev++) {
if (!enable[dev] || !isapnp[dev])
continue;
res = snd_card_cs423x_probe(dev, card, id);
if (res < 0)
return res;
dev++;
return 0;
if (enable[dev] && isapnp[dev])
break;
}
return -ENODEV;
if (dev >= SNDRV_CARDS)
return -ENODEV;
card = snd_cs423x_card_new(dev);
if (! card)
return -ENOMEM;
if ((res = snd_card_cs4236_pnp(dev, card->private_data, pcard, pid))<0) {
printk(KERN_ERR "isapnp detection failed and probing for " IDENT " is not supported\n");
snd_card_free(card);
return res;
}
snd_card_set_dev(card, &pcard->card->dev);
if ((res = snd_cs423x_probe(card, dev)) < 0) {
snd_card_free(card);
return res;
}
pnp_set_card_drvdata(pcard, card);
dev++;
return 0;
}
static void __devexit snd_cs423x_pnp_remove(struct pnp_card_link * pcard)
{
struct snd_card *card = (struct snd_card *) pnp_get_card_drvdata(pcard);
snd_card_disconnect(card);
snd_card_free_in_thread(card);
snd_card_free(pnp_get_card_drvdata(pcard));
pnp_set_card_drvdata(pcard, NULL);
}
#ifdef CONFIG_PM
static int snd_cs423x_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
{
return snd_cs423x_suspend(pnp_get_card_drvdata(pcard));
}
static int snd_cs423x_pnp_resume(struct pnp_card_link *pcard)
{
return snd_cs423x_resume(pnp_get_card_drvdata(pcard));
}
#endif
static struct pnp_card_driver cs423x_pnpc_driver = {
.flags = PNP_DRIVER_RES_DISABLE,
.name = "cs423x",
.name = CS423X_ISAPNP_DRIVER,
.id_table = snd_cs423x_pnpids,
.probe = snd_cs423x_pnp_detect,
.remove = __devexit_p(snd_cs423x_pnp_remove),
#ifdef CONFIG_PM
.suspend = snd_cs423x_pnp_suspend,
.resume = snd_cs423x_pnp_resume,
#endif
};
#endif /* CONFIG_PNP */
static int __init alsa_card_cs423x_init(void)
{
int dev, cards = 0;
int i, err, cards = 0;
for (dev = 0; dev < SNDRV_CARDS; dev++) {
if (!enable[dev])
if ((err = platform_driver_register(&snd_cs423x_nonpnp_driver)) < 0)
return err;
for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
struct platform_device *device;
if (is_isapnp_selected(i))
continue;
if (is_isapnp_selected(dev))
continue;
if (snd_card_cs423x_probe(dev, NULL, NULL) >= 0)
cards++;
device = platform_device_register_simple(CS423X_DRIVER,
i, NULL, 0);
if (IS_ERR(device)) {
err = PTR_ERR(device);
platform_driver_unregister(&snd_cs423x_nonpnp_driver);
return err;
}
cards++;
}
#ifdef CONFIG_PNP
cards += pnp_register_card_driver(&cs423x_pnpc_driver);
#endif
i = pnp_register_card_driver(&cs423x_pnpc_driver);
if (i > 0)
cards += i;
if (!cards) {
#ifdef CONFIG_PNP
pnp_unregister_card_driver(&cs423x_pnpc_driver);
#endif
platform_driver_unregister(&snd_cs423x_nonpnp_driver);
#ifdef MODULE
printk(KERN_ERR IDENT " soundcard not found or device busy\n");
#endif
@ -582,14 +671,8 @@ static int __init alsa_card_cs423x_init(void)
static void __exit alsa_card_cs423x_exit(void)
{
int idx;
#ifdef CONFIG_PNP
/* PnP cards first */
pnp_unregister_card_driver(&cs423x_pnpc_driver);
#endif
for (idx = 0; idx < SNDRV_CARDS; idx++)
snd_card_free(snd_cs4236_legacy[idx]);
platform_driver_unregister(&snd_cs423x_nonpnp_driver);
}
module_init(alsa_card_cs423x_init)