linux/sound/pci/cs46xx/cs46xx.c
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

162 lines
4.2 KiB
C

// 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");
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 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_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);