Release 4.8 sound/isa/cs423x/cs4231.c

/*
 *  Generic driver for CS4231 chips
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 *  Originally the CS4232/CS4232A driver, modified for use on CS4231 by
 *  Tugrul Galatali <galatalt@stuy.edu>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <linux/init.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/wss.h>
#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@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 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 */

static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	
/* 9,11,12,15 */

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 " CRD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
module_param_array(port, long, NULL, 0444);
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 " CRD_NAME " driver.");
module_param_array(irq, int, NULL, 0444);
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 " CRD_NAME " driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");



static int snd_cs4231_match(struct device *dev, unsigned int n)
{
	if (!enable[n])
		return 0;

	if (port[n] == SNDRV_AUTO_PORT) {
		dev_err(dev, "please specify port\n");
		return 0;
	}
	if (irq[n] == SNDRV_AUTO_IRQ) {
		dev_err(dev, "please specify irq\n");
		return 0;
	}
	if (dma1[n] == SNDRV_AUTO_DMA) {
		dev_err(dev, "please specify dma1\n");
		return 0;
	}
	return 1;
}

Contributors
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jaroslav kysela
jaroslav kysela
49
53.26%
2
40.00%
rene herman
rene herman
31
33.70%
1
20.00%
takashi iwai
takashi iwai
12
13.04%
2
40.00%
Total
92
100.00%
5
100.00%



static int snd_cs4231_probe(struct device *dev, unsigned int n)
{
	struct snd_card *card;
	struct snd_wss *chip;
	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);
	if (error < 0)
		goto out;

	strcpy(card->driver, "CS4231");
	strcpy(card->shortname, chip->pcm->name);

	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
		chip->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);
	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[n], 0, mpu_irq[n],
					NULL) < 0)
			dev_warn(dev, "MPU401 not detected\n");
	}

	error = snd_card_register(card);
	if (error < 0)
		goto out;

	dev_set_drvdata(dev, card);
	return 0;

out:	snd_card_free(card);
	return error;
}

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jaroslav kysela
jaroslav kysela
218
62.11%
4
33.33%
rene herman
rene herman
77
21.94%
1
8.33%
takashi iwai
takashi iwai
46
13.11%
5
41.67%
krzysztof helt
krzysztof helt
6
1.71%
1
8.33%
lars-peter clausen
lars-peter clausen
4
1.14%
1
8.33%
Total
351
100.00%
12
100.00%



static int snd_cs4231_remove(struct device *dev, unsigned int n)
{
	snd_card_free(dev_get_drvdata(dev));
	return 0;
}

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takashi iwai
takashi iwai
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69.23%
1
50.00%
rene herman
rene herman
8
30.77%
1
50.00%
Total
26
100.00%
2
100.00%

#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;
}

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takashi iwai
takashi iwai
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72.22%
1
33.33%
rene herman
rene herman
14
25.93%
1
33.33%
krzysztof helt
krzysztof helt
1
1.85%
1
33.33%
Total
54
100.00%
3
100.00%



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;
}
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takashi iwai
takashi iwai
38
74.51%
1
33.33%
rene herman
rene herman
12
23.53%
1
33.33%
krzysztof helt
krzysztof helt
1
1.96%
1
33.33%
Total
51
100.00%
3
100.00%

#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
	.driver		= {
		.name	= DEV_NAME
	}
};

module_isa_driver(snd_cs4231_driver, SNDRV_CARDS);
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jaroslav kysela
jaroslav kysela
542
56.28%
8
38.10%
takashi iwai
takashi iwai
205
21.29%
5
23.81%
rene herman
rene herman
191
19.83%
1
4.76%
rusty russell
rusty russell
10
1.04%
2
9.52%
krzysztof helt
krzysztof helt
9
0.93%
2
9.52%
lars-peter clausen
lars-peter clausen
4
0.42%
1
4.76%
william breathitt gray
william breathitt gray
1
0.10%
1
4.76%
paul gortmaker
paul gortmaker
1
0.10%
1
4.76%
Total
963
100.00%
21
100.00%
  
Directory: sound/isa/cs423x

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