/*
* Generic driver for CS4231 chips
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Originally the CS4232/CS4232A driver, modified for use on CS4231 by
* Tugrul Galatali <galatalt@stuy.edu>
*
*
*/
-#include <sound/driver.h>
#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/isa.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
-#include <sound/cs4231.h>
+#include <sound/wss.h>
#include <sound/mpu401.h>
#include <sound/initval.h>
-MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
-MODULE_DESCRIPTION("Generic CS4231");
+#define CRD_NAME "Generic CS4231"
+#define DEV_NAME "cs4231"
+
+MODULE_DESCRIPTION(CRD_NAME);
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");
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 snd_card *snd_cs4231_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
+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_card_cs4231_probe(int dev)
+static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n)
{
struct snd_card *card;
- struct snd_card_cs4231 *acard;
- struct snd_pcm *pcm = NULL;
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;
- acard = (struct snd_card_cs4231 *)card->private_data;
- if ((err = snd_cs4231_create(card, port[dev], -1,
- irq[dev],
- dma1[dev],
- dma2[dev],
- CS4231_HW_DETECT,
- 0, &chip)) < 0)
- goto _err;
-
- if ((err = snd_cs4231_pcm(chip, 0, &pcm)) < 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;
+
+ 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 ? SA_INTERRUPT : 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);
}
- if ((err = snd_card_set_generic_dev(card)) < 0)
- goto _err;
+ snd_card_set_dev(card, dev);
- if ((err = snd_card_register(card)) < 0)
- goto _err;
- snd_cs4231_cards[dev] = card;
+ error = snd_card_register(card);
+ if (error < 0)
+ goto out;
+
+ dev_set_drvdata(dev, card);
return 0;
- _err:
- snd_card_free(card);
- return err;
+out: snd_card_free(card);
+ return error;
}
-static int __init alsa_card_cs4231_init(void)
+static int __devexit snd_cs4231_remove(struct device *dev, unsigned int n)
{
- int dev, cards;
+ snd_card_free(dev_get_drvdata(dev));
+ dev_set_drvdata(dev, NULL);
+ return 0;
+}
- for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) {
- if (snd_card_cs4231_probe(dev) >= 0)
- cards++;
- }
- if (!cards) {
-#ifdef MODULE
- printk(KERN_ERR "CS4231 soundcard not found or device busy\n");
+#ifdef CONFIG_PM
+static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state)
+{
+ 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->suspend(chip);
+ return 0;
+}
+
+static int snd_cs4231_resume(struct device *dev, unsigned int n)
+{
+ 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
- return -ENODEV;
+
+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 = DEV_NAME
}
- return 0;
+};
+
+static int __init alsa_card_cs4231_init(void)
+{
+ return isa_register_driver(&snd_cs4231_driver, SNDRV_CARDS);
}
static void __exit alsa_card_cs4231_exit(void)
{
- int idx;
-
- for (idx = 0; idx < SNDRV_CARDS; idx++)
- snd_card_free(snd_cs4231_cards[idx]);
+ 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);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff