diff options
Diffstat (limited to 'sound/pci/cs46xx/cs46xx.c')
| -rw-r--r-- | sound/pci/cs46xx/cs46xx.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/sound/pci/cs46xx/cs46xx.c b/sound/pci/cs46xx/cs46xx.c new file mode 100644 index 0000000..25d6466 --- /dev/null +++ b/sound/pci/cs46xx/cs46xx.c @@ -0,0 +1,183 @@ +/* + * The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards + * Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h> +#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@suse.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] = {[0 ... (SNDRV_CARDS - 1)] = 0}; +static int thinkpad[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0}; +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; + snd_card_t *card; + cs46xx_t *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; + } + 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)) < 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), + SND_PCI_PM_CALLBACKS +}; + +static int __init alsa_card_cs46xx_init(void) +{ + return pci_module_init(&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) |
