436 lines
11 KiB
C
436 lines
11 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"
|
|
|
|
/* define below to restrict the supported rates and formats */
|
|
/* #define LIMITED_RATE_FMT_SUPPORT */
|
|
|
|
struct nvhdmi_spec {
|
|
struct hda_multi_out multiout;
|
|
|
|
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 */
|
|
{ 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 */
|
|
};
|
|
|
|
#ifdef LIMITED_RATE_FMT_SUPPORT
|
|
/* support only the safe format and rate */
|
|
#define SUPPORTED_RATES SNDRV_PCM_RATE_48000
|
|
#define SUPPORTED_MAXBPS 16
|
|
#define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE
|
|
#else
|
|
/* support all rates and formats */
|
|
#define SUPPORTED_RATES \
|
|
(SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
|
|
SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
|
|
SNDRV_PCM_RATE_192000)
|
|
#define SUPPORTED_MAXBPS 24
|
|
#define SUPPORTED_FORMATS \
|
|
(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
|
|
#endif
|
|
|
|
/*
|
|
* 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_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_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);
|
|
}
|
|
|
|
static struct hda_pcm_stream nvhdmi_pcm_digital_playback_8ch = {
|
|
.substreams = 1,
|
|
.channels_min = 2,
|
|
.channels_max = 8,
|
|
.nid = Nv_Master_Convert_nid,
|
|
.rates = SUPPORTED_RATES,
|
|
.maxbps = SUPPORTED_MAXBPS,
|
|
.formats = SUPPORTED_FORMATS,
|
|
.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 = Nv_Master_Convert_nid,
|
|
.rates = SUPPORTED_RATES,
|
|
.maxbps = SUPPORTED_MAXBPS,
|
|
.formats = SUPPORTED_FORMATS,
|
|
.ops = {
|
|
.open = nvhdmi_dig_playback_pcm_open,
|
|
.close = nvhdmi_dig_playback_pcm_close_2ch,
|
|
.prepare = nvhdmi_dig_playback_pcm_prepare_2ch
|
|
},
|
|
};
|
|
|
|
static int nvhdmi_build_pcms_8ch(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_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;
|
|
}
|
|
|
|
static void nvhdmi_free(struct hda_codec *codec)
|
|
{
|
|
kfree(codec->spec);
|
|
}
|
|
|
|
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_2ch,
|
|
.init = nvhdmi_init,
|
|
.free = nvhdmi_free,
|
|
};
|
|
|
|
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;
|
|
|
|
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 = Nv_Master_Convert_nid;
|
|
|
|
codec->patch_ops = nvhdmi_patch_ops_2ch;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* patch entries
|
|
*/
|
|
static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
|
|
{ .id = 0x10de0002, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
|
|
{ .id = 0x10de0003, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
|
|
{ .id = 0x10de0005, .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 */
|
|
};
|
|
|
|
MODULE_ALIAS("snd-hda-codec-id:10de0002");
|
|
MODULE_ALIAS("snd-hda-codec-id:10de0003");
|
|
MODULE_ALIAS("snd-hda-codec-id:10de0005");
|
|
MODULE_ALIAS("snd-hda-codec-id:10de0006");
|
|
MODULE_ALIAS("snd-hda-codec-id:10de0007");
|
|
MODULE_ALIAS("snd-hda-codec-id:10de0067");
|
|
MODULE_ALIAS("snd-hda-codec-id:10de8001");
|
|
|
|
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)
|