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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards4 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>5 */6 7/*8 NOTES:9 - sometimes the sound is metallic and sibilant, unloading and 10 reloading the module may solve this.11*/12 13#include <linux/pci.h>14#include <linux/time.h>15#include <linux/init.h>16#include <linux/module.h>17#include <sound/core.h>18#include "cs46xx.h"19#include <sound/initval.h>20 21MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");22MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");23MODULE_LICENSE("GPL");24 25static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */26static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */27static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */28static bool external_amp[SNDRV_CARDS];29static bool thinkpad[SNDRV_CARDS];30static bool mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};31 32module_param_array(index, int, NULL, 0444);33MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");34module_param_array(id, charp, NULL, 0444);35MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");36module_param_array(enable, bool, NULL, 0444);37MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");38module_param_array(external_amp, bool, NULL, 0444);39MODULE_PARM_DESC(external_amp, "Force to enable external amplifier.");40module_param_array(thinkpad, bool, NULL, 0444);41MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");42module_param_array(mmap_valid, bool, NULL, 0444);43MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");44 45static const struct pci_device_id snd_cs46xx_ids[] = {46 { PCI_VDEVICE(CIRRUS, 0x6001), 0, }, /* CS4280 */47 { PCI_VDEVICE(CIRRUS, 0x6003), 0, }, /* CS4612 */48 { PCI_VDEVICE(CIRRUS, 0x6004), 0, }, /* CS4615 */49 { 0, }50};51 52MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);53 54static int snd_card_cs46xx_probe(struct pci_dev *pci,55 const struct pci_device_id *pci_id)56{57 static int dev;58 struct snd_card *card;59 struct snd_cs46xx *chip;60 int err;61 62 if (dev >= SNDRV_CARDS)63 return -ENODEV;64 if (!enable[dev]) {65 dev++;66 return -ENOENT;67 }68 69 err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,70 sizeof(*chip), &card);71 if (err < 0)72 return err;73 chip = card->private_data;74 err = snd_cs46xx_create(card, pci,75 external_amp[dev], thinkpad[dev]);76 if (err < 0)77 goto error;78 card->private_data = chip;79 chip->accept_valid = mmap_valid[dev];80 err = snd_cs46xx_pcm(chip, 0);81 if (err < 0)82 goto error;83#ifdef CONFIG_SND_CS46XX_NEW_DSP84 err = snd_cs46xx_pcm_rear(chip, 1);85 if (err < 0)86 goto error;87 err = snd_cs46xx_pcm_iec958(chip, 2);88 if (err < 0)89 goto error;90#endif91 err = snd_cs46xx_mixer(chip, 2);92 if (err < 0)93 goto error;94#ifdef CONFIG_SND_CS46XX_NEW_DSP95 if (chip->nr_ac97_codecs ==2) {96 err = snd_cs46xx_pcm_center_lfe(chip, 3);97 if (err < 0)98 goto error;99 }100#endif101 err = snd_cs46xx_midi(chip, 0);102 if (err < 0)103 goto error;104 err = snd_cs46xx_start_dsp(chip);105 if (err < 0)106 goto error;107 108 snd_cs46xx_gameport(chip);109 110 strcpy(card->driver, "CS46xx");111 strcpy(card->shortname, "Sound Fusion CS46xx");112 sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",113 card->shortname,114 chip->ba0_addr,115 chip->ba1_addr,116 chip->irq);117 118 err = snd_card_register(card);119 if (err < 0)120 goto error;121 122 pci_set_drvdata(pci, card);123 dev++;124 return 0;125 126 error:127 snd_card_free(card);128 return err;129}130 131static struct pci_driver cs46xx_driver = {132 .name = KBUILD_MODNAME,133 .id_table = snd_cs46xx_ids,134 .probe = snd_card_cs46xx_probe,135#ifdef CONFIG_PM_SLEEP136 .driver = {137 .pm = &snd_cs46xx_pm,138 },139#endif140};141 142module_pci_driver(cs46xx_driver);143