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kernel_linux
提交 a3d6ab97 编写于 作者: W Wei Ni 提交者： Takashi Iwai
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ALSA: hda - Support NVIDIA 8 channel HDMI audio 

Support 8 channel HDMI audio for MCP78/7A
Signed-off-by: NWei Ni <wni@nvidia.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
上级 8a933ece
隐藏空白更改
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Showing with 248 addition and 31 deletion
sound/pci/hda/patch_nvhdmi.c
浏览文件 @ a3d6ab97
......@@ -35,9 +35,28 @@ struct nvhdmi_spec {
struct hda_pcm pcm_rec;
};
#define Nv_VERB_SET_Channel_Allocation 0xF79
#define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
#define Nv_VERB_SET_Audio_Protection_On 0xF98
#define Nv_VERB_SET_Audio_Protection_Off 0xF99
#define Nv_Master_Convert_nid 0x04
#define Nv_Master_Pin_nid 0x05
static hda_nid_t nvhdmi_convert_nids[4] = {
/*front, rear, clfe, rear_surr */
0x6, 0x8, 0xa, 0xc,
};
static struct hda_verb nvhdmi_basic_init[] = {
/* set audio protect on */
{ 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
/* enable digital output on pin widget */
{ 0x05, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
{ 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
{ 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
{ 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
{ 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
{ 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
{} /* terminator */
};
......@@ -66,48 +85,205 @@ static int nvhdmi_init(struct hda_codec *codec)
* Digital out
*/
static int nvhdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
struct hda_codec *codec,
struct snd_pcm_substream *substream)
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)
static int nvhdmi_dig_playback_pcm_close_8ch(struct hda_pcm_stream *hinfo,
struct hda_codec *codec,
struct snd_pcm_substream *substream)
{
struct nvhdmi_spec *spec = codec->spec;
int i;
snd_hda_codec_write(codec, Nv_Master_Convert_nid,
0, AC_VERB_SET_CHANNEL_STREAMID, 0);
for (i = 0; i < 4; i++) {
/* set the stream id */
snd_hda_codec_write(codec, nvhdmi_convert_nids[i], 0,
AC_VERB_SET_CHANNEL_STREAMID, 0);
/* set the stream format */
snd_hda_codec_write(codec, nvhdmi_convert_nids[i], 0,
AC_VERB_SET_STREAM_FORMAT, 0);
}
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)
static int nvhdmi_dig_playback_pcm_close_2ch(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_8ch(struct hda_pcm_stream *hinfo,
struct hda_codec *codec,
unsigned int stream_tag,
unsigned int format,
struct snd_pcm_substream *substream)
{
int chs;
unsigned int dataDCC1, dataDCC2, chan, chanmask, channel_id;
int i;
mutex_lock(&codec->spdif_mutex);
chs = substream->runtime->channels;
chan = chs ? (chs - 1) : 1;
switch (chs) {
default:
case 0:
case 2:
chanmask = 0x00;
break;
case 4:
chanmask = 0x08;
break;
case 6:
chanmask = 0x0b;
break;
case 8:
chanmask = 0x13;
break;
}
dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
dataDCC2 = 0x2;
/* set the Audio InforFrame Channel Allocation */
snd_hda_codec_write(codec, 0x1, 0,
Nv_VERB_SET_Channel_Allocation, chanmask);
/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
snd_hda_codec_write(codec,
Nv_Master_Convert_nid,
0,
AC_VERB_SET_DIGI_CONVERT_1,
codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
/* set the stream id */
snd_hda_codec_write(codec, Nv_Master_Convert_nid, 0,
AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
/* set the stream format */
snd_hda_codec_write(codec, Nv_Master_Convert_nid, 0,
AC_VERB_SET_STREAM_FORMAT, format);
/* turn on again (if needed) */
/* enable and set the channel status audio/data flag */
if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
snd_hda_codec_write(codec,
Nv_Master_Convert_nid,
0,
AC_VERB_SET_DIGI_CONVERT_1,
codec->spdif_ctls & 0xff);
snd_hda_codec_write(codec,
Nv_Master_Convert_nid,
0,
AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
}
for (i = 0; i < 4; i++) {
if (chs == 2)
channel_id = 0;
else
channel_id = i * 2;
/* turn off SPDIF once;
*otherwise the IEC958 bits won't be updated
*/
if (codec->spdif_status_reset &&
(codec->spdif_ctls & AC_DIG1_ENABLE))
snd_hda_codec_write(codec,
nvhdmi_convert_nids[i],
0,
AC_VERB_SET_DIGI_CONVERT_1,
codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
/* set the stream id */
snd_hda_codec_write(codec,
nvhdmi_convert_nids[i],
0,
AC_VERB_SET_CHANNEL_STREAMID,
(stream_tag << 4) | channel_id);
/* set the stream format */
snd_hda_codec_write(codec,
nvhdmi_convert_nids[i],
0,
AC_VERB_SET_STREAM_FORMAT,
format);
/* turn on again (if needed) */
/* enable and set the channel status audio/data flag */
if (codec->spdif_status_reset &&
(codec->spdif_ctls & AC_DIG1_ENABLE)) {
snd_hda_codec_write(codec,
nvhdmi_convert_nids[i],
0,
AC_VERB_SET_DIGI_CONVERT_1,
codec->spdif_ctls & 0xff);
snd_hda_codec_write(codec,
nvhdmi_convert_nids[i],
0,
AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
}
}
/* set the Audio Info Frame Checksum */
snd_hda_codec_write(codec, 0x1, 0,
Nv_VERB_SET_Info_Frame_Checksum,
(0x71 - chan - chanmask));
mutex_unlock(&codec->spdif_mutex);
return 0;
}
static int nvhdmi_dig_playback_pcm_prepare_2ch(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);
format, substream);
}
static struct hda_pcm_stream nvhdmi_pcm_digital_playback = {
static struct hda_pcm_stream nvhdmi_pcm_digital_playback_8ch = {
.substreams = 1,
.channels_min = 2,
.channels_max = 8,
.nid = Nv_Master_Convert_nid,
.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_8ch,
.prepare = nvhdmi_dig_playback_pcm_prepare_8ch
},
};
static struct hda_pcm_stream nvhdmi_pcm_digital_playback_2ch = {
.substreams = 1,
.channels_min = 2,
.channels_max = 2,
.nid = 0x4, /* NID to query formats and rates and setup streams */
.nid = Nv_Master_Convert_nid,
.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
.close = nvhdmi_dig_playback_pcm_close_2ch,
.prepare = nvhdmi_dig_playback_pcm_prepare_2ch
},
};
static int nvhdmi_build_pcms(struct hda_codec *codec)
static int nvhdmi_build_pcms_8ch(struct hda_codec *codec)
{
struct nvhdmi_spec *spec = codec->spec;
struct hda_pcm *info = &spec->pcm_rec;
......@@ -117,7 +293,24 @@ static int nvhdmi_build_pcms(struct hda_codec *codec)
info->name = "NVIDIA HDMI";
info->pcm_type = HDA_PCM_TYPE_HDMI;
info->stream[SNDRV_PCM_STREAM_PLAYBACK] = nvhdmi_pcm_digital_playback;
info->stream[SNDRV_PCM_STREAM_PLAYBACK]
= nvhdmi_pcm_digital_playback_8ch;
return 0;
}
static int nvhdmi_build_pcms_2ch(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_2ch;
return 0;
}
......@@ -127,14 +320,40 @@ static void nvhdmi_free(struct hda_codec *codec)
kfree(codec->spec);
}
static struct hda_codec_ops nvhdmi_patch_ops = {
static struct hda_codec_ops nvhdmi_patch_ops_8ch = {
.build_controls = nvhdmi_build_controls,
.build_pcms = nvhdmi_build_pcms_8ch,
.init = nvhdmi_init,
.free = nvhdmi_free,
};
static struct hda_codec_ops nvhdmi_patch_ops_2ch = {
.build_controls = nvhdmi_build_controls,
.build_pcms = nvhdmi_build_pcms,
.build_pcms = nvhdmi_build_pcms_2ch,
.init = nvhdmi_init,
.free = nvhdmi_free,
};
static int patch_nvhdmi(struct hda_codec *codec)
static int patch_nvhdmi_8ch(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 = 8;
spec->multiout.dig_out_nid = Nv_Master_Convert_nid;
codec->patch_ops = nvhdmi_patch_ops_8ch;
return 0;
}
static int patch_nvhdmi_2ch(struct hda_codec *codec)
{
struct nvhdmi_spec *spec;
......@@ -144,13 +363,11 @@ static int patch_nvhdmi(struct hda_codec *codec)
codec->spec = spec;
spec->multiout.num_dacs = 0; /* no analog */
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. */
spec->multiout.dig_out_nid = Nv_Master_Convert_nid;
codec->patch_ops = nvhdmi_patch_ops;
codec->patch_ops = nvhdmi_patch_ops_2ch;
return 0;
}
......@@ -159,11 +376,11 @@ static int patch_nvhdmi(struct hda_codec *codec)
* patch entries
*/
static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
{ .id = 0x10de0002, .name = "MCP78 HDMI", .patch = patch_nvhdmi },
{ .id = 0x10de0006, .name = "MCP78 HDMI", .patch = patch_nvhdmi },
{ .id = 0x10de0007, .name = "MCP7A HDMI", .patch = patch_nvhdmi },
{ .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi },
{ .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi },
{ .id = 0x10de0002, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
{ .id = 0x10de0006, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
{ .id = 0x10de0007, .name = "MCP7A HDMI", .patch = patch_nvhdmi_8ch },
{ .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
{ .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
{} /* terminator */
};
......
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