162 lines
4.2 KiB
C
162 lines
4.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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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@perex.cz>
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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 <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/module.h>
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#include <sound/core.h>
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#include "cs46xx.h"
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#include <sound/initval.h>
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MODULE_AUTHOR("Jaroslav Kysela <perex@perex.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 bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
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static bool external_amp[SNDRV_CARDS];
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static bool thinkpad[SNDRV_CARDS];
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static bool 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 amplifier.");
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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 const struct pci_device_id snd_cs46xx_ids[] = {
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{ PCI_VDEVICE(CIRRUS, 0x6001), 0, }, /* CS4280 */
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{ PCI_VDEVICE(CIRRUS, 0x6003), 0, }, /* CS4612 */
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{ PCI_VDEVICE(CIRRUS, 0x6004), 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 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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struct snd_card *card;
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struct snd_cs46xx *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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err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
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0, &card);
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if (err < 0)
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return err;
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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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card->private_data = chip;
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chip->accept_valid = mmap_valid[dev];
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if ((err = snd_cs46xx_pcm(chip, 0)) < 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)) < 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)) < 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)) < 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)) < 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 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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}
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static struct pci_driver cs46xx_driver = {
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.name = KBUILD_MODNAME,
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.id_table = snd_cs46xx_ids,
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.probe = snd_card_cs46xx_probe,
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.remove = snd_card_cs46xx_remove,
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#ifdef CONFIG_PM_SLEEP
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.driver = {
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.pm = &snd_cs46xx_pm,
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},
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#endif
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};
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module_pci_driver(cs46xx_driver);
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