31117b78ee
Added Nvidia (0x10de) to the vendor id list. Cleaned up the codec name strings accordingly. Signed-off-by: Takashi Iwai <tiwai@suse.de>
192 lines
4.8 KiB
C
192 lines
4.8 KiB
C
/*
|
|
* Universal Interface for Intel High Definition Audio Codec
|
|
*
|
|
* HD audio interface patch for NVIDIA HDMI codecs
|
|
*
|
|
* Copyright (c) 2008 NVIDIA Corp. All rights reserved.
|
|
* Copyright (c) 2008 Wei Ni <wni@nvidia.com>
|
|
*
|
|
*
|
|
* 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/delay.h>
|
|
#include <linux/slab.h>
|
|
#include <sound/core.h>
|
|
#include "hda_codec.h"
|
|
#include "hda_local.h"
|
|
|
|
struct nvhdmi_spec {
|
|
struct hda_multi_out multiout;
|
|
|
|
struct hda_pcm pcm_rec;
|
|
};
|
|
|
|
static struct hda_verb nvhdmi_basic_init[] = {
|
|
/* enable digital output on pin widget */
|
|
{ 0x05, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
|
|
{} /* terminator */
|
|
};
|
|
|
|
/*
|
|
* Controls
|
|
*/
|
|
static int nvhdmi_build_controls(struct hda_codec *codec)
|
|
{
|
|
struct nvhdmi_spec *spec = codec->spec;
|
|
int err;
|
|
|
|
err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nvhdmi_init(struct hda_codec *codec)
|
|
{
|
|
snd_hda_sequence_write(codec, nvhdmi_basic_init);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Digital out
|
|
*/
|
|
static int nvhdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
struct nvhdmi_spec *spec = codec->spec;
|
|
return snd_hda_multi_out_dig_open(codec, &spec->multiout);
|
|
}
|
|
|
|
static int nvhdmi_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
struct nvhdmi_spec *spec = codec->spec;
|
|
return snd_hda_multi_out_dig_close(codec, &spec->multiout);
|
|
}
|
|
|
|
static int nvhdmi_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
unsigned int stream_tag,
|
|
unsigned int format,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
struct nvhdmi_spec *spec = codec->spec;
|
|
return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
|
|
format, substream);
|
|
}
|
|
|
|
static struct hda_pcm_stream nvhdmi_pcm_digital_playback = {
|
|
.substreams = 1,
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.nid = 0x4, /* NID to query formats and rates and setup streams */
|
|
.rates = SNDRV_PCM_RATE_48000,
|
|
.maxbps = 16,
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE,
|
|
.ops = {
|
|
.open = nvhdmi_dig_playback_pcm_open,
|
|
.close = nvhdmi_dig_playback_pcm_close,
|
|
.prepare = nvhdmi_dig_playback_pcm_prepare
|
|
},
|
|
};
|
|
|
|
static int nvhdmi_build_pcms(struct hda_codec *codec)
|
|
{
|
|
struct nvhdmi_spec *spec = codec->spec;
|
|
struct hda_pcm *info = &spec->pcm_rec;
|
|
|
|
codec->num_pcms = 1;
|
|
codec->pcm_info = info;
|
|
|
|
info->name = "NVIDIA HDMI";
|
|
info->pcm_type = HDA_PCM_TYPE_HDMI;
|
|
info->stream[SNDRV_PCM_STREAM_PLAYBACK] = nvhdmi_pcm_digital_playback;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void nvhdmi_free(struct hda_codec *codec)
|
|
{
|
|
kfree(codec->spec);
|
|
}
|
|
|
|
static struct hda_codec_ops nvhdmi_patch_ops = {
|
|
.build_controls = nvhdmi_build_controls,
|
|
.build_pcms = nvhdmi_build_pcms,
|
|
.init = nvhdmi_init,
|
|
.free = nvhdmi_free,
|
|
};
|
|
|
|
static int patch_nvhdmi(struct hda_codec *codec)
|
|
{
|
|
struct nvhdmi_spec *spec;
|
|
|
|
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
|
|
if (spec == NULL)
|
|
return -ENOMEM;
|
|
|
|
codec->spec = spec;
|
|
|
|
spec->multiout.num_dacs = 0; /* no analog */
|
|
spec->multiout.max_channels = 2;
|
|
spec->multiout.dig_out_nid = 0x4; /* NID for copying analog to digital,
|
|
* seems to be unused in pure-digital
|
|
* case. */
|
|
|
|
codec->patch_ops = nvhdmi_patch_ops;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* patch entries
|
|
*/
|
|
static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
|
|
{ .id = 0x10de0002, .name = "MCP78 HDMI", .patch = patch_nvhdmi },
|
|
{ .id = 0x10de0007, .name = "MCP7A HDMI", .patch = patch_nvhdmi },
|
|
{ .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi },
|
|
{} /* terminator */
|
|
};
|
|
|
|
MODULE_ALIAS("snd-hda-codec-id:10de0002");
|
|
MODULE_ALIAS("snd-hda-codec-id:10de0007");
|
|
MODULE_ALIAS("snd-hda-codec-id:10de0067");
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("Nvidia HDMI HD-audio codec");
|
|
|
|
static struct hda_codec_preset_list nvhdmi_list = {
|
|
.preset = snd_hda_preset_nvhdmi,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static int __init patch_nvhdmi_init(void)
|
|
{
|
|
return snd_hda_add_codec_preset(&nvhdmi_list);
|
|
}
|
|
|
|
static void __exit patch_nvhdmi_exit(void)
|
|
{
|
|
snd_hda_delete_codec_preset(&nvhdmi_list);
|
|
}
|
|
|
|
module_init(patch_nvhdmi_init)
|
|
module_exit(patch_nvhdmi_exit)
|