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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Universal codec driver for Intel High Definition Audio Codec
*
* HD audio codec driver for C-Media CMI9880
*
* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
*/
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/hda_codec.h>
#include "hda_local.h"
#include "hda_auto_parser.h"
#include "hda_jack.h"
#include "generic.h"
static int cmedia_probe(struct hda_codec *codec, const struct hda_device_id *id)
{
struct hda_gen_spec *spec;
struct auto_pin_cfg *cfg;
bool is_cmi8888 = id->vendor_id == 0x13f68888;
int err;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (spec == NULL)
return -ENOMEM;
codec->spec = spec;
cfg = &spec->autocfg;
snd_hda_gen_spec_init(spec);
if (is_cmi8888) {
/* mask NID 0x10 from the playback volume selection;
* it's a headphone boost volume handled manually below
*/
spec->out_vol_mask = (1ULL << 0x10);
}
err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
if (err < 0)
goto error;
err = snd_hda_gen_parse_auto_config(codec, cfg);
if (err < 0)
goto error;
err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
if (err < 0)
goto error;
err = snd_hda_gen_parse_auto_config(codec, cfg);
if (err < 0)
goto error;
if (is_cmi8888) {
if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) ==
AC_JACK_HP_OUT) {
static const struct snd_kcontrol_new amp_kctl =
HDA_CODEC_VOLUME("Headphone Amp Playback Volume",
0x10, 0, HDA_OUTPUT);
if (!snd_hda_gen_add_kctl(spec, NULL, &_kctl)) {
err = -ENOMEM;
goto error;
}
}
}
return 0;
error:
snd_hda_gen_remove(codec);
return err;
}
static const struct hda_codec_ops cmedia_codec_ops = {
.probe = cmedia_probe,
.remove = snd_hda_gen_remove,
.build_controls = snd_hda_gen_build_controls,
.build_pcms = snd_hda_gen_build_pcms,
.init = snd_hda_gen_init,
.unsol_event = snd_hda_jack_unsol_event,
.check_power_status = snd_hda_gen_check_power_status,
.stream_pm = snd_hda_gen_stream_pm,
};
/*
* driver entries
*/
static const struct hda_device_id snd_hda_id_cmedia[] = {
HDA_CODEC_ID(0x13f68888, "CMI8888"),
HDA_CODEC_ID(0x13f69880, "CMI9880"),
HDA_CODEC_ID(0x434d4980, "CMI9880"),
{} /* terminator */
};
MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cmedia);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("C-Media HD-audio codec");
static struct hda_codec_driver cmedia_driver = {
.id = snd_hda_id_cmedia,
.ops = &cmedia_codec_ops,
};
module_hda_codec_driver(cmedia_driver);
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