diff options
Diffstat (limited to 'sound/isa/cs423x/cs4231.c')
| -rw-r--r-- | sound/isa/cs423x/cs4231.c | 214 |
1 files changed, 124 insertions, 90 deletions
diff --git a/sound/isa/cs423x/cs4231.c b/sound/isa/cs423x/cs4231.c index 9be5416bcb9..7dba07a4343 100644 --- a/sound/isa/cs423x/cs4231.c +++ b/sound/isa/cs423x/cs4231.c @@ -1,6 +1,6 @@ /* * 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> * @@ -20,24 +20,28 @@ * */ -#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 <linux/module.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 index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ -static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ +static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */ @@ -46,122 +50,152 @@ 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."); - -static snd_card_t *snd_cs4231_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; - +MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver."); -static int __init snd_card_cs4231_probe(int dev) +static int snd_cs4231_match(struct device *dev, unsigned int n) { - snd_card_t *card; - struct snd_card_cs4231 *acard; - snd_pcm_t *pcm = NULL; - cs4231_t *chip; - int err; - - if (port[dev] == SNDRV_AUTO_PORT) { - snd_printk(KERN_ERR "specify port\n"); - return -EINVAL; + if (!enable[n]) + return 0; + + if (port[n] == SNDRV_AUTO_PORT) { + dev_err(dev, "please specify port\n"); + return 0; } - if (irq[dev] == SNDRV_AUTO_IRQ) { - snd_printk(KERN_ERR "specify irq\n"); - return -EINVAL; + if (irq[n] == SNDRV_AUTO_IRQ) { + dev_err(dev, "please specify irq\n"); + return 0; } - if (dma1[dev] == SNDRV_AUTO_DMA) { - snd_printk(KERN_ERR "specify dma1\n"); - return -EINVAL; + if (dma1[n] == SNDRV_AUTO_DMA) { + dev_err(dev, "please specify dma1\n"); + return 0; } - 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; + return 1; +} + +static int snd_cs4231_probe(struct device *dev, unsigned int n) +{ + struct snd_card *card; + struct snd_wss *chip; + struct snd_pcm *pcm; + int error; + + error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card); + if (error < 0) + return error; + + error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n], + WSS_HW_DETECT, 0, &chip); + if (error < 0) + goto out; + + card->private_data = chip; + + error = snd_wss_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_wss_mixer(chip); + if (error < 0) + goto out; + + error = snd_wss_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], NULL) < 0) - printk(KERN_WARNING "cs4231: MPU401 not detected\n"); + dev_warn(dev, "MPU401 not detected\n"); } - if ((err = snd_card_set_generic_dev(card)) < 0) - goto _err; + error = snd_card_register(card); + if (error < 0) + goto out; - if ((err = snd_card_register(card)) < 0) - goto _err; - snd_cs4231_cards[dev] = card; + 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 snd_cs4231_remove(struct device *dev, unsigned int n) { - int dev, cards; + snd_card_free(dev_get_drvdata(dev)); + 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_wss *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_wss *chip = card->private_data; + + chip->resume(chip); + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; +} +#endif + +static struct isa_driver snd_cs4231_driver = { + .match = snd_cs4231_match, + .probe = snd_cs4231_probe, + .remove = snd_cs4231_remove, +#ifdef CONFIG_PM + .suspend = snd_cs4231_suspend, + .resume = snd_cs4231_resume, #endif - return -ENODEV; + .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); |
