Release 4.11 sound/isa/ad1848/ad1848.c

/*
 *  Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha)
 *  Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>,
 *                   Jaroslav Kysela <perex@perex.cz>
 *  Based on card-4232.c by Jaroslav Kysela <perex@perex.cz>
 *
 *
 *   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/initval.h>


#define CRD_NAME "Generic AD1848/AD1847/CS4248"

#define DEV_NAME "ad1848"


MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848},"
	        "{Analog Devices,AD1847},"
		"{Crystal Semiconductors,CS4248}}");


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 int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	
/* 5,7,9,11,12,15 */

static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	
/* 0,1,3,5,6,7 */

static bool thinkpad[SNDRV_CARDS];			
/* Thinkpad special case */

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(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
module_param_array(thinkpad, bool, NULL, 0444);
MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");



static int snd_ad1848_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
Person
Tokens
Prop
Commits
CommitProp
Jaroslav Kysela
49
53.26%
2
40.00%
René Herman
31
33.70%
1
20.00%
Takashi Iwai
12
13.04%
2
40.00%
Total
92
100.00%
5
100.00%



static int snd_ad1848_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], -1,
			thinkpad[n] ? WSS_HW_THINKPAD : 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;

	error = snd_wss_mixer(chip);
	if (error < 0)
		goto out;

	strcpy(card->driver, "AD1848");
	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 (thinkpad[n])
		strcat(card->longname, " [Thinkpad]");

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

	dev_set_drvdata(dev, card);
	return 0;

out:	snd_card_free(card);
	return error;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Jaroslav Kysela
132
51.76%
3
21.43%
René Herman
63
24.71%
1
7.14%
Takashi Iwai
42
16.47%
4
28.57%
Krzysztof Helt
14
5.49%
5
35.71%
Lars-Peter Clausen
4
1.57%
1
7.14%
Total
255
100.00%
14
100.00%



static int snd_ad1848_remove(struct device *dev, unsigned int n)
{
	snd_card_free(dev_get_drvdata(dev));
	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Takashi Iwai
18
69.23%
1
50.00%
René Herman
8
30.77%
1
50.00%
Total
26
100.00%
2
100.00%

#ifdef CONFIG_PM


static int snd_ad1848_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;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Takashi Iwai
45
83.33%
1
33.33%
René Herman
8
14.81%
1
33.33%
Krzysztof Helt
1
1.85%
1
33.33%
Total
54
100.00%
3
100.00%



static int snd_ad1848_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;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Takashi Iwai
42
82.35%
1
33.33%
René Herman
8
15.69%
1
33.33%
Krzysztof Helt
1
1.96%
1
33.33%
Total
51
100.00%
3
100.00%

#endif


static struct isa_driver snd_ad1848_driver = {
	.match		= snd_ad1848_match,
	.probe		= snd_ad1848_probe,
	.remove		= snd_ad1848_remove,
#ifdef CONFIG_PM
	.suspend	= snd_ad1848_suspend,
	.resume		= snd_ad1848_resume,
#endif
	.driver		= {
		.name	= DEV_NAME
	}
};

module_isa_driver(snd_ad1848_driver, SNDRV_CARDS);
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Jaroslav Kysela
401
50.00%
7
30.43%
Takashi Iwai
211
26.31%
5
21.74%
René Herman
158
19.70%
1
4.35%
Krzysztof Helt
17
2.12%
5
21.74%
Rusty Russell
9
1.12%
2
8.70%
Lars-Peter Clausen
4
0.50%
1
4.35%
William Breathitt Gray
1
0.12%
1
4.35%
Paul Gortmaker
1
0.12%
1
4.35%
Total
802
100.00%
23
100.00%
Directory: sound/isa/ad1848

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