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/*
* Universal Interface for Intel High Definition Audio Codec
*
* HD audio interface patch for C-Media CMI9880
*
* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
*
*
* This driver 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 driver 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
*/
#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 "hda_generic.h"
struct cmi_spec {
struct hda_gen_spec gen;
};
/*
* stuff for auto-parser
*/
static const struct hda_codec_ops cmi_auto_patch_ops = {
.build_controls = snd_hda_gen_build_controls,
.build_pcms = snd_hda_gen_build_pcms,
.init = snd_hda_gen_init,
.free = snd_hda_gen_free,
.unsol_event = snd_hda_jack_unsol_event,
};
static int patch_cmi9880(struct hda_codec *codec)
{
struct cmi_spec *spec;
struct auto_pin_cfg *cfg;
int err;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (spec == NULL)
return -ENOMEM;
codec->spec = spec;
codec->patch_ops = cmi_auto_patch_ops;
cfg = &spec->gen.autocfg;
snd_hda_gen_spec_init(&spec->gen);
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;
return 0;
error:
snd_hda_gen_free(codec);
return err;
}
static int patch_cmi8888(struct hda_codec *codec)
{
struct cmi_spec *spec;
struct auto_pin_cfg *cfg;
int err;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (!spec)
return -ENOMEM;
codec->spec = spec;
codec->patch_ops = cmi_auto_patch_ops;
cfg = &spec->gen.autocfg;
snd_hda_gen_spec_init(&spec->gen);
/* mask NID 0x10 from the playback volume selection;
* it's a headphone boost volume handled manually below
*/
spec->gen.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;
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->gen, NULL, &_kctl)) {
err = -ENOMEM;
goto error;
}
}
return 0;
error:
snd_hda_gen_free(codec);
return err;
}
/*
* patch entries
*/
static const struct hda_device_id snd_hda_id_cmedia[] = {
HDA_CODEC_ENTRY(0x13f68888, "CMI8888", patch_cmi8888),
HDA_CODEC_ENTRY(0x13f69880, "CMI9880", patch_cmi9880),
HDA_CODEC_ENTRY(0x434d4980, "CMI9880", patch_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,
};
module_hda_codec_driver(cmedia_driver);
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