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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*/
/*
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");
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 amplifier.");
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_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
sizeof(*chip), &card);
if (err < 0)
return err;
chip = card->private_data;
err = snd_cs46xx_create(card, pci,
external_amp[dev], thinkpad[dev]);
if (err < 0)
return err;
card->private_data = chip;
chip->accept_valid = mmap_valid[dev];
err = snd_cs46xx_pcm(chip, 0);
if (err < 0)
return err;
#ifdef CONFIG_SND_CS46XX_NEW_DSP
err = snd_cs46xx_pcm_rear(chip, 1);
if (err < 0)
return err;
err = snd_cs46xx_pcm_iec958(chip, 2);
if (err < 0)
return err;
#endif
err = snd_cs46xx_mixer(chip, 2);
if (err < 0)
return err;
#ifdef CONFIG_SND_CS46XX_NEW_DSP
if (chip->nr_ac97_codecs ==2) {
err = snd_cs46xx_pcm_center_lfe(chip, 3);
if (err < 0)
return err;
}
#endif
err = snd_cs46xx_midi(chip, 0);
if (err < 0)
return err;
err = snd_cs46xx_start_dsp(chip);
if (err < 0)
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);
err = snd_card_register(card);
if (err < 0)
return err;
pci_set_drvdata(pci, card);
dev++;
return 0;
}
static struct pci_driver cs46xx_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_cs46xx_ids,
.probe = snd_card_cs46xx_probe,
#ifdef CONFIG_PM_SLEEP
.driver = {
.pm = &snd_cs46xx_pm,
},
#endif
};
module_pci_driver(cs46xx_driver);
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