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authorRene Herman <rene.herman@gmail.com>2007-02-14 13:23:38 +0100
committerJaroslav Kysela <perex@suse.cz>2007-05-11 16:55:38 +0200
commitd63898c9d4ac7ac98608c29a2abb3c42b2bb3646 (patch)
treed9b05fabba6ea6ec92fb5e60e328453bb9dfb2ac /sound/isa/cs423x
parentab7942b202874f47d38c7ff06ccacdfbced1c4f4 (diff)
downloadlinux-d63898c9d4ac7ac98608c29a2abb3c42b2bb3646.tar.gz
[ALSA] isa_bus: cs4231
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>
Diffstat (limited to 'sound/isa/cs423x')
-rw-r--r--sound/isa/cs423x/cs4231.c213
1 files changed, 91 insertions, 122 deletions
diff --git a/sound/isa/cs423x/cs4231.c b/sound/isa/cs423x/cs4231.c
index 696a5c86bcf..ac404113415 100644
--- a/sound/isa/cs423x/cs4231.c
+++ b/sound/isa/cs423x/cs4231.c
@@ -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>
@@ -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}}");
@@ -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 */
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
@@ -181,57 +188,19 @@ static struct platform_driver snd_cs4231_driver = {
.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);