diff options
Diffstat (limited to 'sound/isa/cs423x')
-rw-r--r-- | sound/isa/cs423x/cs4231.c | 213 |
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); |