Linux Audio

Check our new training course

Loading...
v4.10.11
  1/*
  2 *  Generic driver for CS4231 chips
  3 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  4 *  Originally the CS4232/CS4232A driver, modified for use on CS4231 by
  5 *  Tugrul Galatali <galatalt@stuy.edu>
  6 *
  7 *   This program is free software; you can redistribute it and/or modify
  8 *   it under the terms of the GNU General Public License as published by
  9 *   the Free Software Foundation; either version 2 of the License, or
 10 *   (at your option) any later version.
 11 *
 12 *   This program is distributed in the hope that it will be useful,
 13 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15 *   GNU General Public License for more details.
 16 *
 17 *   You should have received a copy of the GNU General Public License
 18 *   along with this program; if not, write to the Free Software
 19 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 20 *
 21 */
 22
 23#include <linux/init.h>
 24#include <linux/err.h>
 25#include <linux/isa.h>
 26#include <linux/time.h>
 27#include <linux/wait.h>
 28#include <linux/module.h>
 29#include <sound/core.h>
 30#include <sound/wss.h>
 31#include <sound/mpu401.h>
 32#include <sound/initval.h>
 33
 34#define CRD_NAME "Generic CS4231"
 35#define DEV_NAME "cs4231"
 36
 37MODULE_DESCRIPTION(CRD_NAME);
 38MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 39MODULE_LICENSE("GPL");
 40MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");
 41
 42static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 43static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
 44static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	/* Enable this card */
 45static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
 46static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
 47static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,11,12,15 */
 48static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 9,11,12,15 */
 49static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
 50static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
 51
 52module_param_array(index, int, NULL, 0444);
 53MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
 54module_param_array(id, charp, NULL, 0444);
 55MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
 56module_param_array(enable, bool, NULL, 0444);
 57MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
 58module_param_array(port, long, NULL, 0444);
 59MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
 60module_param_array(mpu_port, long, NULL, 0444);
 61MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
 62module_param_array(irq, int, NULL, 0444);
 63MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
 64module_param_array(mpu_irq, int, NULL, 0444);
 65MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
 66module_param_array(dma1, int, NULL, 0444);
 67MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
 68module_param_array(dma2, int, NULL, 0444);
 69MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
 70
 71static int snd_cs4231_match(struct device *dev, unsigned int n)
 72{
 73	if (!enable[n])
 74		return 0;
 75
 76	if (port[n] == SNDRV_AUTO_PORT) {
 77		dev_err(dev, "please specify port\n");
 78		return 0;
 79	}
 80	if (irq[n] == SNDRV_AUTO_IRQ) {
 81		dev_err(dev, "please specify irq\n");
 82		return 0;
 83	}
 84	if (dma1[n] == SNDRV_AUTO_DMA) {
 85		dev_err(dev, "please specify dma1\n");
 86		return 0;
 87	}
 88	return 1;
 89}
 90
 91static int snd_cs4231_probe(struct device *dev, unsigned int n)
 92{
 93	struct snd_card *card;
 94	struct snd_wss *chip;
 
 95	int error;
 96
 97	error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
 98	if (error < 0)
 99		return error;
100
101	error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n],
102			WSS_HW_DETECT, 0, &chip);
103	if (error < 0)
104		goto out;
105
106	card->private_data = chip;
107
108	error = snd_wss_pcm(chip, 0);
109	if (error < 0)
110		goto out;
111
112	strcpy(card->driver, "CS4231");
113	strcpy(card->shortname, chip->pcm->name);
114
115	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
116		chip->pcm->name, chip->port, irq[n], dma1[n]);
117	if (dma2[n] >= 0)
118		sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]);
119
120	error = snd_wss_mixer(chip);
121	if (error < 0)
122		goto out;
123
124	error = snd_wss_timer(chip, 0);
125	if (error < 0)
126		goto out;
127
128	if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) {
129		if (mpu_irq[n] == SNDRV_AUTO_IRQ)
130			mpu_irq[n] = -1;
131		if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
132					mpu_port[n], 0, mpu_irq[n],
 
133					NULL) < 0)
134			dev_warn(dev, "MPU401 not detected\n");
135	}
136
 
 
137	error = snd_card_register(card);
138	if (error < 0)
139		goto out;
140
141	dev_set_drvdata(dev, card);
142	return 0;
143
144out:	snd_card_free(card);
145	return error;
146}
147
148static int snd_cs4231_remove(struct device *dev, unsigned int n)
149{
150	snd_card_free(dev_get_drvdata(dev));
 
151	return 0;
152}
153
154#ifdef CONFIG_PM
155static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state)
156{
157	struct snd_card *card = dev_get_drvdata(dev);
158	struct snd_wss *chip = card->private_data;
159
160	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
161	chip->suspend(chip);
162	return 0;
163}
164
165static int snd_cs4231_resume(struct device *dev, unsigned int n)
166{
167	struct snd_card *card = dev_get_drvdata(dev);
168	struct snd_wss *chip = card->private_data;
169
170	chip->resume(chip);
171	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
172	return 0;
173}
174#endif
175
176static struct isa_driver snd_cs4231_driver = {
177	.match		= snd_cs4231_match,
178	.probe		= snd_cs4231_probe,
179	.remove		= snd_cs4231_remove,
180#ifdef CONFIG_PM
181	.suspend	= snd_cs4231_suspend,
182	.resume		= snd_cs4231_resume,
183#endif
184	.driver		= {
185		.name	= DEV_NAME
186	}
187};
188
189module_isa_driver(snd_cs4231_driver, SNDRV_CARDS);
 
 
 
 
 
 
 
 
 
 
 
v3.1
  1/*
  2 *  Generic driver for CS4231 chips
  3 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  4 *  Originally the CS4232/CS4232A driver, modified for use on CS4231 by
  5 *  Tugrul Galatali <galatalt@stuy.edu>
  6 *
  7 *   This program is free software; you can redistribute it and/or modify
  8 *   it under the terms of the GNU General Public License as published by
  9 *   the Free Software Foundation; either version 2 of the License, or
 10 *   (at your option) any later version.
 11 *
 12 *   This program is distributed in the hope that it will be useful,
 13 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15 *   GNU General Public License for more details.
 16 *
 17 *   You should have received a copy of the GNU General Public License
 18 *   along with this program; if not, write to the Free Software
 19 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 20 *
 21 */
 22
 23#include <linux/init.h>
 24#include <linux/err.h>
 25#include <linux/isa.h>
 26#include <linux/time.h>
 27#include <linux/wait.h>
 28#include <linux/moduleparam.h>
 29#include <sound/core.h>
 30#include <sound/wss.h>
 31#include <sound/mpu401.h>
 32#include <sound/initval.h>
 33
 34#define CRD_NAME "Generic CS4231"
 35#define DEV_NAME "cs4231"
 36
 37MODULE_DESCRIPTION(CRD_NAME);
 38MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 39MODULE_LICENSE("GPL");
 40MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");
 41
 42static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 43static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
 44static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	/* Enable this card */
 45static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
 46static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
 47static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,11,12,15 */
 48static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 9,11,12,15 */
 49static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
 50static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
 51
 52module_param_array(index, int, NULL, 0444);
 53MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
 54module_param_array(id, charp, NULL, 0444);
 55MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
 56module_param_array(enable, bool, NULL, 0444);
 57MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
 58module_param_array(port, long, NULL, 0444);
 59MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
 60module_param_array(mpu_port, long, NULL, 0444);
 61MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
 62module_param_array(irq, int, NULL, 0444);
 63MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
 64module_param_array(mpu_irq, int, NULL, 0444);
 65MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
 66module_param_array(dma1, int, NULL, 0444);
 67MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
 68module_param_array(dma2, int, NULL, 0444);
 69MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
 70
 71static int __devinit snd_cs4231_match(struct device *dev, unsigned int n)
 72{
 73	if (!enable[n])
 74		return 0;
 75
 76	if (port[n] == SNDRV_AUTO_PORT) {
 77		dev_err(dev, "please specify port\n");
 78		return 0;
 79	}
 80	if (irq[n] == SNDRV_AUTO_IRQ) {
 81		dev_err(dev, "please specify irq\n");
 82		return 0;
 83	}
 84	if (dma1[n] == SNDRV_AUTO_DMA) {
 85		dev_err(dev, "please specify dma1\n");
 86		return 0;
 87	}
 88	return 1;
 89}
 90
 91static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n)
 92{
 93	struct snd_card *card;
 94	struct snd_wss *chip;
 95	struct snd_pcm *pcm;
 96	int error;
 97
 98	error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
 99	if (error < 0)
100		return error;
101
102	error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n],
103			WSS_HW_DETECT, 0, &chip);
104	if (error < 0)
105		goto out;
106
107	card->private_data = chip;
108
109	error = snd_wss_pcm(chip, 0, &pcm);
110	if (error < 0)
111		goto out;
112
113	strcpy(card->driver, "CS4231");
114	strcpy(card->shortname, pcm->name);
115
116	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
117		pcm->name, chip->port, irq[n], dma1[n]);
118	if (dma2[n] >= 0)
119		sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]);
120
121	error = snd_wss_mixer(chip);
122	if (error < 0)
123		goto out;
124
125	error = snd_wss_timer(chip, 0, NULL);
126	if (error < 0)
127		goto out;
128
129	if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) {
130		if (mpu_irq[n] == SNDRV_AUTO_IRQ)
131			mpu_irq[n] = -1;
132		if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
133					mpu_port[n], 0, mpu_irq[n],
134					mpu_irq[n] >= 0 ? IRQF_DISABLED : 0,
135					NULL) < 0)
136			dev_warn(dev, "MPU401 not detected\n");
137	}
138
139	snd_card_set_dev(card, dev);
140
141	error = snd_card_register(card);
142	if (error < 0)
143		goto out;
144
145	dev_set_drvdata(dev, card);
146	return 0;
147
148out:	snd_card_free(card);
149	return error;
150}
151
152static int __devexit snd_cs4231_remove(struct device *dev, unsigned int n)
153{
154	snd_card_free(dev_get_drvdata(dev));
155	dev_set_drvdata(dev, NULL);
156	return 0;
157}
158
159#ifdef CONFIG_PM
160static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state)
161{
162	struct snd_card *card = dev_get_drvdata(dev);
163	struct snd_wss *chip = card->private_data;
164
165	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
166	chip->suspend(chip);
167	return 0;
168}
169
170static int snd_cs4231_resume(struct device *dev, unsigned int n)
171{
172	struct snd_card *card = dev_get_drvdata(dev);
173	struct snd_wss *chip = card->private_data;
174
175	chip->resume(chip);
176	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
177	return 0;
178}
179#endif
180
181static struct isa_driver snd_cs4231_driver = {
182	.match		= snd_cs4231_match,
183	.probe		= snd_cs4231_probe,
184	.remove		= __devexit_p(snd_cs4231_remove),
185#ifdef CONFIG_PM
186	.suspend	= snd_cs4231_suspend,
187	.resume		= snd_cs4231_resume,
188#endif
189	.driver		= {
190		.name	= DEV_NAME
191	}
192};
193
194static int __init alsa_card_cs4231_init(void)
195{
196	return isa_register_driver(&snd_cs4231_driver, SNDRV_CARDS);
197}
198
199static void __exit alsa_card_cs4231_exit(void)
200{
201	isa_unregister_driver(&snd_cs4231_driver);
202}
203
204module_init(alsa_card_cs4231_init);
205module_exit(alsa_card_cs4231_exit);