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6417f03132
MODULE_SUPPORTED_DEVICE was added in pre-git era and never was implemented. We can safely remove it, because the kernel has grown to have many more reliable mechanisms to determine if device is supported or not. Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
154 lines
3.9 KiB
C
154 lines
3.9 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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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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