diff options
Diffstat (limited to 'kernel/sound/pci/cs46xx/cs46xx.c')
| -rw-r--r-- | kernel/sound/pci/cs46xx/cs46xx.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/kernel/sound/pci/cs46xx/cs46xx.c b/kernel/sound/pci/cs46xx/cs46xx.c new file mode 100644 index 000000000..655fbea16 --- /dev/null +++ b/kernel/sound/pci/cs46xx/cs46xx.c @@ -0,0 +1,176 @@ +/* + * 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 "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 const struct pci_device_id 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 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_new(&pci->dev, 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)) < 0) { + snd_card_free(card); + return err; + } +#ifdef CONFIG_SND_CS46XX_NEW_DSP + if ((err = snd_cs46xx_pcm_rear(chip, 1)) < 0) { + snd_card_free(card); + return err; + } + if ((err = snd_cs46xx_pcm_iec958(chip, 2)) < 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)) < 0) { + snd_card_free(card); + return err; + } + } +#endif + if ((err = snd_cs46xx_midi(chip, 0)) < 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 snd_card_cs46xx_remove(struct pci_dev *pci) +{ + snd_card_free(pci_get_drvdata(pci)); +} + +static struct pci_driver cs46xx_driver = { + .name = KBUILD_MODNAME, + .id_table = snd_cs46xx_ids, + .probe = snd_card_cs46xx_probe, + .remove = snd_card_cs46xx_remove, +#ifdef CONFIG_PM_SLEEP + .driver = { + .pm = &snd_cs46xx_pm, + }, +#endif +}; + +module_pci_driver(cs46xx_driver); |