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Commit d63898c9 authored by Rene Herman's avatar Rene Herman Committed by Jaroslav Kysela
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[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
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+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);