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Commit d63898c9 authored by Rene Herman's avatar Rene Herman Committed by Jaroslav Kysela
Browse files

[ALSA] isa_bus: cs4231 



cs4231: port to isa_bus infrastructure.

Signed-off-by: default avatarRene Herman <rene.herman@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent ab7942b2

sound/isa/cs423x/cs4231.c

+91 −122
Original line number Diff line number Diff line
@@ -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

	},

};



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);

		.name	= DEV_NAME

	}

};



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);