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[ALSA] isa_bus: cs4231

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cs4231: port to isa_bus infrastructure.

Signed-off-by: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Rene Herman 2007-02-14 13:23:38 +01:00 committed by Jaroslav Kysela
parent ab7942b202
commit d63898c9d4
1 changed files with 91 additions and 122 deletions
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213
sound/isa/cs423x/cs4231.c
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@ -23,7 +23,7 @@
#include <sound/driver.h> #include <sound/driver.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/err.h> #include <linux/err.h>
#include <linux/platform_device.h> #include <linux/isa.h>
#include <linux/time.h> #include <linux/time.h>
#include <linux/wait.h> #include <linux/wait.h>
#include <linux/moduleparam.h> #include <linux/moduleparam.h>
@ -32,8 +32,11 @@
#include <sound/mpu401.h> #include <sound/mpu401.h>
#include <sound/initval.h> #include <sound/initval.h>
#define CRD_NAME "Generic CS4231"
#define DEV_NAME "cs4231"
MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
MODULE_DESCRIPTION("Generic CS4231");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}"); MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");
@ -48,132 +51,136 @@ static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
module_param_array(index, int, NULL, 0444); module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for CS4231 soundcard."); MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444); module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for CS4231 soundcard."); MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444); module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable CS4231 soundcard."); MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
module_param_array(port, long, NULL, 0444); module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for CS4231 driver."); MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
module_param_array(mpu_port, long, NULL, 0444); module_param_array(mpu_port, long, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for CS4231 driver."); MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
module_param_array(irq, int, NULL, 0444); module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for CS4231 driver."); MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_array(mpu_irq, int, NULL, 0444); module_param_array(mpu_irq, int, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for CS4231 driver."); MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
module_param_array(dma1, int, NULL, 0444); module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for CS4231 driver."); MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
module_param_array(dma2, int, NULL, 0444); module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for CS4231 driver."); MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
static struct platform_device *devices[SNDRV_CARDS]; static int __devinit snd_cs4231_match(struct device *dev, unsigned int n)
static int __init snd_cs4231_probe(struct platform_device *pdev)
{ {
int dev = pdev->id; if (!enable[n])
struct snd_card *card; return 0;
struct snd_pcm *pcm;
struct snd_cs4231 *chip;
int err;
if (port[dev] == SNDRV_AUTO_PORT) { if (port[n] == SNDRV_AUTO_PORT) {
snd_printk(KERN_ERR "specify port\n"); snd_printk(KERN_ERR "%s: please specify port\n", dev->bus_id);
return -EINVAL; return 0;
} }
if (irq[dev] == SNDRV_AUTO_IRQ) { if (irq[n] == SNDRV_AUTO_IRQ) {
snd_printk(KERN_ERR "specify irq\n"); snd_printk(KERN_ERR "%s: please specify irq\n", dev->bus_id);
return -EINVAL; return 0;
} }
if (dma1[dev] == SNDRV_AUTO_DMA) { if (dma1[n] == SNDRV_AUTO_DMA) {
snd_printk(KERN_ERR "specify dma1\n"); snd_printk(KERN_ERR "%s: please specify dma1\n", dev->bus_id);
return -EINVAL; return 0;
} }
card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); return 1;
if (card == NULL) }
return -ENOMEM;
if ((err = snd_cs4231_create(card, port[dev], -1, static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n)
irq[dev], {
dma1[dev], struct snd_card *card;
dma2[dev], struct snd_cs4231 *chip;
CS4231_HW_DETECT, struct snd_pcm *pcm;
0, &chip)) < 0) int error;
goto _err;
card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
if (!card)
return -EINVAL;
error = snd_cs4231_create(card, port[n], -1, irq[n], dma1[n], dma2[n],
CS4231_HW_DETECT, 0, &chip);
if (error < 0)
goto out;
card->private_data = chip; card->private_data = chip;
if ((err = snd_cs4231_pcm(chip, 0, &pcm)) < 0) error = snd_cs4231_pcm(chip, 0, &pcm);
goto _err; if (error < 0)
goto out;
strcpy(card->driver, "CS4231"); strcpy(card->driver, "CS4231");
strcpy(card->shortname, pcm->name); strcpy(card->shortname, pcm->name);
sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
pcm->name, chip->port, irq[dev], dma1[dev]); pcm->name, chip->port, irq[n], dma1[n]);
if (dma2[dev] >= 0) if (dma2[n] >= 0)
sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]); sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]);
if ((err = snd_cs4231_mixer(chip)) < 0) error = snd_cs4231_mixer(chip);
goto _err; if (error < 0)
if ((err = snd_cs4231_timer(chip, 0, NULL)) < 0) goto out;
goto _err;
if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) { error = snd_cs4231_timer(chip, 0, NULL);
if (mpu_irq[dev] == SNDRV_AUTO_IRQ) if (error < 0)
mpu_irq[dev] = -1; goto out;
if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) {
if (mpu_irq[n] == SNDRV_AUTO_IRQ)
mpu_irq[n] = -1;
if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232, if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
mpu_port[dev], 0, mpu_port[n], 0, mpu_irq[n],
mpu_irq[dev], mpu_irq[n] >= 0 ? IRQF_DISABLED : 0,
mpu_irq[dev] >= 0 ? IRQF_DISABLED : 0,
NULL) < 0) NULL) < 0)
printk(KERN_WARNING "cs4231: MPU401 not detected\n"); printk(KERN_WARNING "%s: MPU401 not detected\n", dev->bus_id);
} }
snd_card_set_dev(card, &pdev->dev); snd_card_set_dev(card, dev);
if ((err = snd_card_register(card)) < 0) error = snd_card_register(card);
goto _err; if (error < 0)
goto out;
platform_set_drvdata(pdev, card); dev_set_drvdata(dev, card);
return 0; return 0;
_err: out: snd_card_free(card);
snd_card_free(card); return error;
return err;
} }
static int __devexit snd_cs4231_remove(struct platform_device *devptr) static int __devexit snd_cs4231_remove(struct device *dev, unsigned int n)
{ {
snd_card_free(platform_get_drvdata(devptr)); snd_card_free(dev_get_drvdata(dev));
platform_set_drvdata(devptr, NULL); dev_set_drvdata(dev, NULL);
return 0; return 0;
} }
#ifdef CONFIG_PM #ifdef CONFIG_PM
static int snd_cs4231_suspend(struct platform_device *dev, pm_message_t state) static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state)
{ {
struct snd_card *card; struct snd_card *card = dev_get_drvdata(dev);
struct snd_cs4231 *chip; struct snd_cs4231 *chip = card->private_data;
card = platform_get_drvdata(dev);
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
chip = card->private_data;
chip->suspend(chip); chip->suspend(chip);
return 0; return 0;
} }
static int snd_cs4231_resume(struct platform_device *dev) static int snd_cs4231_resume(struct device *dev, unsigned int n)
{ {
struct snd_card *card; struct snd_card *card = dev_get_drvdata(dev);
struct snd_cs4231 *chip; struct snd_cs4231 *chip = card->private_data;
card = platform_get_drvdata(dev);
chip = card->private_data;
chip->resume(chip); chip->resume(chip);
snd_power_change_state(card, SNDRV_CTL_POWER_D0); snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0; return 0;
} }
#endif #endif
#define SND_CS4231_DRIVER "snd_cs4231" static struct isa_driver snd_cs4231_driver = {
.match = snd_cs4231_match,
static struct platform_driver snd_cs4231_driver = {
.probe = snd_cs4231_probe, .probe = snd_cs4231_probe,
.remove = __devexit_p(snd_cs4231_remove), .remove = __devexit_p(snd_cs4231_remove),
#ifdef CONFIG_PM #ifdef CONFIG_PM
@ -181,57 +188,19 @@ static struct platform_driver snd_cs4231_driver = {
.resume = snd_cs4231_resume, .resume = snd_cs4231_resume,
#endif #endif
.driver = { .driver = {
.name = SND_CS4231_DRIVER .name = DEV_NAME
}, }
}; };
static void __init_or_module snd_cs4231_unregister_all(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(devices); ++i)
platform_device_unregister(devices[i]);
platform_driver_unregister(&snd_cs4231_driver);
}
static int __init alsa_card_cs4231_init(void) static int __init alsa_card_cs4231_init(void)
{ {
int i, cards, err; return isa_register_driver(&snd_cs4231_driver, SNDRV_CARDS);
err = platform_driver_register(&snd_cs4231_driver);
if (err < 0)
return err;
cards = 0;
for (i = 0; i < SNDRV_CARDS; i++) {
struct platform_device *device;
if (! enable[i])
continue;
device = platform_device_register_simple(SND_CS4231_DRIVER,
i, NULL, 0);
if (IS_ERR(device))
continue;
if (!platform_get_drvdata(device)) {
platform_device_unregister(device);
continue;
}
devices[i] = device;
cards++;
}
if (!cards) {
#ifdef MODULE
printk(KERN_ERR "CS4231 soundcard not found or device busy\n");
#endif
snd_cs4231_unregister_all();
return -ENODEV;
}
return 0;
} }
static void __exit alsa_card_cs4231_exit(void) static void __exit alsa_card_cs4231_exit(void)
{ {
snd_cs4231_unregister_all(); isa_unregister_driver(&snd_cs4231_driver);
} }
module_init(alsa_card_cs4231_init) module_init(alsa_card_cs4231_init);
module_exit(alsa_card_cs4231_exit) module_exit(alsa_card_cs4231_exit);