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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>
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Rene Herman authored and Jaroslav Kysela committed May 11, 2007
1 parent ab7942b commit d63898c
Showing 1 changed file with 91 additions and 122 deletions.
213 changes: 91 additions & 122 deletions sound/isa/cs423x/cs4231.c
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
#include <sound/driver.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/isa.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/moduleparam.h>
Expand All @@ -32,8 +32,11 @@
#include <sound/mpu401.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_DESCRIPTION("Generic CS4231");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");

Expand All @@ -48,190 +51,156 @@ 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 */

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_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_PARM_DESC(enable, "Enable CS4231 soundcard.");
MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
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_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_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_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_PARM_DESC(dma1, "DMA1 # for CS4231 driver.");
MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
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)
{
if (!enable[n])
return 0;

if (port[n] == SNDRV_AUTO_PORT) {
snd_printk(KERN_ERR "%s: please specify port\n", dev->bus_id);
return 0;
}
if (irq[n] == SNDRV_AUTO_IRQ) {
snd_printk(KERN_ERR "%s: please specify irq\n", dev->bus_id);
return 0;
}
if (dma1[n] == SNDRV_AUTO_DMA) {
snd_printk(KERN_ERR "%s: please specify dma1\n", dev->bus_id);
return 0;
}
return 1;
}

static int __init snd_cs4231_probe(struct platform_device *pdev)
static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n)
{
int dev = pdev->id;
struct snd_card *card;
struct snd_pcm *pcm;
struct snd_cs4231 *chip;
int err;
struct snd_pcm *pcm;
int error;

if (port[dev] == SNDRV_AUTO_PORT) {
snd_printk(KERN_ERR "specify port\n");
return -EINVAL;
}
if (irq[dev] == SNDRV_AUTO_IRQ) {
snd_printk(KERN_ERR "specify irq\n");
return -EINVAL;
}
if (dma1[dev] == SNDRV_AUTO_DMA) {
snd_printk(KERN_ERR "specify dma1\n");
card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
if (!card)
return -EINVAL;
}
card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
if (card == NULL)
return -ENOMEM;
if ((err = snd_cs4231_create(card, port[dev], -1,
irq[dev],
dma1[dev],
dma2[dev],
CS4231_HW_DETECT,
0, &chip)) < 0)
goto _err;

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;

if ((err = snd_cs4231_pcm(chip, 0, &pcm)) < 0)
goto _err;
error = snd_cs4231_pcm(chip, 0, &pcm);
if (error < 0)
goto out;

strcpy(card->driver, "CS4231");
strcpy(card->shortname, pcm->name);

sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
pcm->name, chip->port, irq[dev], dma1[dev]);
if (dma2[dev] >= 0)
sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);

if ((err = snd_cs4231_mixer(chip)) < 0)
goto _err;
if ((err = snd_cs4231_timer(chip, 0, NULL)) < 0)
goto _err;

if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
mpu_irq[dev] = -1;
pcm->name, chip->port, irq[n], dma1[n]);
if (dma2[n] >= 0)
sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]);

error = snd_cs4231_mixer(chip);
if (error < 0)
goto out;

error = snd_cs4231_timer(chip, 0, NULL);
if (error < 0)
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,
mpu_port[dev], 0,
mpu_irq[dev],
mpu_irq[dev] >= 0 ? IRQF_DISABLED : 0,
mpu_port[n], 0, mpu_irq[n],
mpu_irq[n] >= 0 ? IRQF_DISABLED : 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)
goto _err;
error = snd_card_register(card);
if (error < 0)
goto out;

platform_set_drvdata(pdev, card);
dev_set_drvdata(dev, card);
return 0;

_err:
snd_card_free(card);
return err;
out: snd_card_free(card);
return error;
}

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));
platform_set_drvdata(devptr, NULL);
snd_card_free(dev_get_drvdata(dev));
dev_set_drvdata(dev, NULL);
return 0;
}

#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_cs4231 *chip;
card = platform_get_drvdata(dev);
struct snd_card *card = dev_get_drvdata(dev);
struct snd_cs4231 *chip = card->private_data;

snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
chip = card->private_data;
chip->suspend(chip);
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_cs4231 *chip;
card = platform_get_drvdata(dev);
chip = card->private_data;
struct snd_card *card = dev_get_drvdata(dev);
struct snd_cs4231 *chip = card->private_data;

chip->resume(chip);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif

#define SND_CS4231_DRIVER "snd_cs4231"

static struct platform_driver snd_cs4231_driver = {
static struct isa_driver snd_cs4231_driver = {
.match = snd_cs4231_match,
.probe = snd_cs4231_probe,
.remove = __devexit_p(snd_cs4231_remove),
#ifdef CONFIG_PM
.suspend = snd_cs4231_suspend,
.resume = snd_cs4231_resume,
#endif
.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)
{
int i, cards, err;

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;
return isa_register_driver(&snd_cs4231_driver, SNDRV_CARDS);
}

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_exit(alsa_card_cs4231_exit)
module_init(alsa_card_cs4231_init);
module_exit(alsa_card_cs4231_exit);

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