185 lines
5.3 KiB
C
185 lines
5.3 KiB
C
/*
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* The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
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* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/*
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NOTES:
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- sometimes the sound is metallic and sibilant, unloading and
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reloading the module may solve this.
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*/
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#include <sound/driver.h>
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#include <linux/pci.h>
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#include <linux/time.h>
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#include <linux/init.h>
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#include <linux/moduleparam.h>
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#include <sound/core.h>
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#include <sound/cs46xx.h>
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#include <sound/initval.h>
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MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
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MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("{{Cirrus Logic,Sound Fusion (CS4280)},"
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"{Cirrus Logic,Sound Fusion (CS4610)},"
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"{Cirrus Logic,Sound Fusion (CS4612)},"
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"{Cirrus Logic,Sound Fusion (CS4615)},"
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"{Cirrus Logic,Sound Fusion (CS4622)},"
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"{Cirrus Logic,Sound Fusion (CS4624)},"
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"{Cirrus Logic,Sound Fusion (CS4630)}}");
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
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static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
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static int external_amp[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
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static int thinkpad[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
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static int mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
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module_param_array(external_amp, bool, NULL, 0444);
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MODULE_PARM_DESC(external_amp, "Force to enable external amplifer.");
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module_param_array(thinkpad, bool, NULL, 0444);
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MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
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module_param_array(mmap_valid, bool, NULL, 0444);
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MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
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static struct pci_device_id snd_cs46xx_ids[] = {
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{ 0x1013, 0x6001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CS4280 */
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{ 0x1013, 0x6003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CS4612 */
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{ 0x1013, 0x6004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* CS4615 */
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{ 0, }
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};
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MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
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static int __devinit snd_card_cs46xx_probe(struct pci_dev *pci,
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const struct pci_device_id *pci_id)
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{
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static int dev;
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snd_card_t *card;
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cs46xx_t *chip;
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int err;
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if (dev >= SNDRV_CARDS)
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return -ENODEV;
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if (!enable[dev]) {
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dev++;
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return -ENOENT;
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}
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card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
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if (card == NULL)
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return -ENOMEM;
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if ((err = snd_cs46xx_create(card, pci,
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external_amp[dev], thinkpad[dev],
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&chip)) < 0) {
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snd_card_free(card);
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return err;
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}
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chip->accept_valid = mmap_valid[dev];
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if ((err = snd_cs46xx_pcm(chip, 0, NULL)) < 0) {
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snd_card_free(card);
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return err;
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}
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#ifdef CONFIG_SND_CS46XX_NEW_DSP
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if ((err = snd_cs46xx_pcm_rear(chip,1, NULL)) < 0) {
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snd_card_free(card);
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return err;
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}
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if ((err = snd_cs46xx_pcm_iec958(chip,2,NULL)) < 0) {
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snd_card_free(card);
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return err;
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}
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#endif
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if ((err = snd_cs46xx_mixer(chip, 2)) < 0) {
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snd_card_free(card);
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return err;
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}
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#ifdef CONFIG_SND_CS46XX_NEW_DSP
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if (chip->nr_ac97_codecs ==2) {
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if ((err = snd_cs46xx_pcm_center_lfe(chip,3,NULL)) < 0) {
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snd_card_free(card);
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return err;
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}
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}
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#endif
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if ((err = snd_cs46xx_midi(chip, 0, NULL)) < 0) {
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snd_card_free(card);
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return err;
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}
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if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
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snd_card_free(card);
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return err;
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}
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snd_cs46xx_gameport(chip);
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strcpy(card->driver, "CS46xx");
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strcpy(card->shortname, "Sound Fusion CS46xx");
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sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",
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card->shortname,
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chip->ba0_addr,
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chip->ba1_addr,
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chip->irq);
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if ((err = snd_card_register(card)) < 0) {
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snd_card_free(card);
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return err;
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}
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pci_set_drvdata(pci, card);
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dev++;
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return 0;
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}
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static void __devexit snd_card_cs46xx_remove(struct pci_dev *pci)
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{
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snd_card_free(pci_get_drvdata(pci));
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pci_set_drvdata(pci, NULL);
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}
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static struct pci_driver driver = {
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.name = "Sound Fusion CS46xx",
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.owner = THIS_MODULE,
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.id_table = snd_cs46xx_ids,
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.probe = snd_card_cs46xx_probe,
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.remove = __devexit_p(snd_card_cs46xx_remove),
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SND_PCI_PM_CALLBACKS
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};
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static int __init alsa_card_cs46xx_init(void)
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{
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return pci_register_driver(&driver);
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}
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static void __exit alsa_card_cs46xx_exit(void)
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{
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pci_unregister_driver(&driver);
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}
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module_init(alsa_card_cs46xx_init)
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module_exit(alsa_card_cs46xx_exit)
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