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DEFINITIONS
This source file includes following definitions.
- snd_card_cs46xx_probe
- snd_card_cs46xx_remove
- alsa_card_cs46xx_init
- alsa_card_cs46xx_exit
/*
* The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
* Copyright (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
*
*/
/*
NOTES:
- sometimes the sound is metallic and sibilant, unloading and
reloading the module may solve this.
*/
#include <linux/pci.h>
#include <linux/time.h>
#include <linux/init.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/cs46xx.h>
#include <sound/initval.h>
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Cirrus Logic,Sound Fusion (CS4280)},"
"{Cirrus Logic,Sound Fusion (CS4610)},"
"{Cirrus Logic,Sound Fusion (CS4612)},"
"{Cirrus Logic,Sound Fusion (CS4615)},"
"{Cirrus Logic,Sound Fusion (CS4622)},"
"{Cirrus Logic,Sound Fusion (CS4624)},"
"{Cirrus Logic,Sound Fusion (CS4630)}}");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
static int external_amp[SNDRV_CARDS];
static int thinkpad[SNDRV_CARDS];
static int mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
module_param_array(external_amp, bool, NULL, 0444);
MODULE_PARM_DESC(external_amp, "Force to enable external amplifer.");
module_param_array(thinkpad, bool, NULL, 0444);
MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
module_param_array(mmap_valid, bool, NULL, 0444);
MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
static struct pci_device_id snd_cs46xx_ids[] = {
{ 0x1013, 0x6001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CS4280 */
{ 0x1013, 0x6003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CS4612 */
{ 0x1013, 0x6004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CS4615 */
{ 0, }
};
MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
static int __devinit snd_card_cs46xx_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
static int dev;
struct snd_card *card;
struct snd_cs46xx *chip;
int err;
if (dev >= SNDRV_CARDS)
return -ENODEV;
if (!enable[dev]) {
dev++;
return -ENOENT;
}
card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
if (card == NULL)
return -ENOMEM;
if ((err = snd_cs46xx_create(card, pci,
external_amp[dev], thinkpad[dev],
&chip)) < 0) {
snd_card_free(card);
return err;
}
card->private_data = chip;
chip->accept_valid = mmap_valid[dev];
if ((err = snd_cs46xx_pcm(chip, 0, NULL)) < 0) {
snd_card_free(card);
return err;
}
#ifdef CONFIG_SND_CS46XX_NEW_DSP
if ((err = snd_cs46xx_pcm_rear(chip,1, NULL)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_cs46xx_pcm_iec958(chip,2,NULL)) < 0) {
snd_card_free(card);
return err;
}
#endif
if ((err = snd_cs46xx_mixer(chip, 2)) < 0) {
snd_card_free(card);
return err;
}
#ifdef CONFIG_SND_CS46XX_NEW_DSP
if (chip->nr_ac97_codecs ==2) {
if ((err = snd_cs46xx_pcm_center_lfe(chip,3,NULL)) < 0) {
snd_card_free(card);
return err;
}
}
#endif
if ((err = snd_cs46xx_midi(chip, 0, NULL)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
snd_card_free(card);
return err;
}
snd_cs46xx_gameport(chip);
strcpy(card->driver, "CS46xx");
strcpy(card->shortname, "Sound Fusion CS46xx");
sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",
card->shortname,
chip->ba0_addr,
chip->ba1_addr,
chip->irq);
if ((err = snd_card_register(card)) < 0) {
snd_card_free(card);
return err;
}
pci_set_drvdata(pci, card);
dev++;
return 0;
}
static void __devexit snd_card_cs46xx_remove(struct pci_dev *pci)
{
snd_card_free(pci_get_drvdata(pci));
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
.name = "Sound Fusion CS46xx",
.id_table = snd_cs46xx_ids,
.probe = snd_card_cs46xx_probe,
.remove = __devexit_p(snd_card_cs46xx_remove),
#ifdef CONFIG_PM
.suspend = snd_cs46xx_suspend,
.resume = snd_cs46xx_resume,
#endif
};
static int __init alsa_card_cs46xx_init(void)
{
return pci_register_driver(&driver);
}
static void __exit alsa_card_cs46xx_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(alsa_card_cs46xx_init)
module_exit(alsa_card_cs46xx_exit)