| /* |
| * 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/module.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 bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ |
| static bool external_amp[SNDRV_CARDS]; |
| static bool thinkpad[SNDRV_CARDS]; |
| static bool 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 DEFINE_PCI_DEVICE_TABLE(snd_cs46xx_ids) = { |
| { PCI_VDEVICE(CIRRUS, 0x6001), 0, }, /* CS4280 */ |
| { PCI_VDEVICE(CIRRUS, 0x6003), 0, }, /* CS4612 */ |
| { PCI_VDEVICE(CIRRUS, 0x6004), 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; |
| } |
| |
| err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); |
| if (err < 0) |
| return err; |
| 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 = KBUILD_MODNAME, |
| .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) |