a3d6ab9723
Support 8 channel HDMI audio for MCP78/7A Signed-off-by: Wei Ni <wni@nvidia.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
413 lines
10 KiB
C
413 lines
10 KiB
C
/*
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* Universal Interface for Intel High Definition Audio Codec
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*
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* HD audio interface patch for NVIDIA HDMI codecs
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*
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* Copyright (c) 2008 NVIDIA Corp. All rights reserved.
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* Copyright (c) 2008 Wei Ni <wni@nvidia.com>
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*
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*
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* This driver is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This driver is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <sound/core.h>
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#include "hda_codec.h"
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#include "hda_local.h"
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struct nvhdmi_spec {
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struct hda_multi_out multiout;
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struct hda_pcm pcm_rec;
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};
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#define Nv_VERB_SET_Channel_Allocation 0xF79
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#define Nv_VERB_SET_Info_Frame_Checksum 0xF7A
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#define Nv_VERB_SET_Audio_Protection_On 0xF98
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#define Nv_VERB_SET_Audio_Protection_Off 0xF99
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#define Nv_Master_Convert_nid 0x04
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#define Nv_Master_Pin_nid 0x05
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static hda_nid_t nvhdmi_convert_nids[4] = {
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/*front, rear, clfe, rear_surr */
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0x6, 0x8, 0xa, 0xc,
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};
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static struct hda_verb nvhdmi_basic_init[] = {
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/* set audio protect on */
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{ 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
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/* enable digital output on pin widget */
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{ 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
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{ 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
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{ 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
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{ 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
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{ 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
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{} /* terminator */
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};
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/*
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* Controls
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*/
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static int nvhdmi_build_controls(struct hda_codec *codec)
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{
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struct nvhdmi_spec *spec = codec->spec;
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int err;
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err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
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if (err < 0)
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return err;
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return 0;
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}
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static int nvhdmi_init(struct hda_codec *codec)
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{
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snd_hda_sequence_write(codec, nvhdmi_basic_init);
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return 0;
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}
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/*
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* Digital out
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*/
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static int nvhdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
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struct hda_codec *codec,
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struct snd_pcm_substream *substream)
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{
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struct nvhdmi_spec *spec = codec->spec;
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return snd_hda_multi_out_dig_open(codec, &spec->multiout);
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}
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static int nvhdmi_dig_playback_pcm_close_8ch(struct hda_pcm_stream *hinfo,
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struct hda_codec *codec,
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struct snd_pcm_substream *substream)
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{
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struct nvhdmi_spec *spec = codec->spec;
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int i;
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snd_hda_codec_write(codec, Nv_Master_Convert_nid,
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0, AC_VERB_SET_CHANNEL_STREAMID, 0);
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for (i = 0; i < 4; i++) {
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/* set the stream id */
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snd_hda_codec_write(codec, nvhdmi_convert_nids[i], 0,
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AC_VERB_SET_CHANNEL_STREAMID, 0);
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/* set the stream format */
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snd_hda_codec_write(codec, nvhdmi_convert_nids[i], 0,
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AC_VERB_SET_STREAM_FORMAT, 0);
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}
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return snd_hda_multi_out_dig_close(codec, &spec->multiout);
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}
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static int nvhdmi_dig_playback_pcm_close_2ch(struct hda_pcm_stream *hinfo,
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struct hda_codec *codec,
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struct snd_pcm_substream *substream)
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{
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struct nvhdmi_spec *spec = codec->spec;
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return snd_hda_multi_out_dig_close(codec, &spec->multiout);
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}
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static int nvhdmi_dig_playback_pcm_prepare_8ch(struct hda_pcm_stream *hinfo,
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struct hda_codec *codec,
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unsigned int stream_tag,
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unsigned int format,
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struct snd_pcm_substream *substream)
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{
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int chs;
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unsigned int dataDCC1, dataDCC2, chan, chanmask, channel_id;
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int i;
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mutex_lock(&codec->spdif_mutex);
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chs = substream->runtime->channels;
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chan = chs ? (chs - 1) : 1;
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switch (chs) {
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default:
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case 0:
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case 2:
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chanmask = 0x00;
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break;
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case 4:
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chanmask = 0x08;
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break;
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case 6:
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chanmask = 0x0b;
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break;
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case 8:
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chanmask = 0x13;
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break;
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}
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dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
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dataDCC2 = 0x2;
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/* set the Audio InforFrame Channel Allocation */
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snd_hda_codec_write(codec, 0x1, 0,
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Nv_VERB_SET_Channel_Allocation, chanmask);
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/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
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if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
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snd_hda_codec_write(codec,
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Nv_Master_Convert_nid,
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0,
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AC_VERB_SET_DIGI_CONVERT_1,
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codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
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/* set the stream id */
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snd_hda_codec_write(codec, Nv_Master_Convert_nid, 0,
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AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
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/* set the stream format */
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snd_hda_codec_write(codec, Nv_Master_Convert_nid, 0,
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AC_VERB_SET_STREAM_FORMAT, format);
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/* turn on again (if needed) */
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/* enable and set the channel status audio/data flag */
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if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
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snd_hda_codec_write(codec,
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Nv_Master_Convert_nid,
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0,
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AC_VERB_SET_DIGI_CONVERT_1,
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codec->spdif_ctls & 0xff);
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snd_hda_codec_write(codec,
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Nv_Master_Convert_nid,
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0,
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AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
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}
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for (i = 0; i < 4; i++) {
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if (chs == 2)
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channel_id = 0;
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else
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channel_id = i * 2;
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/* turn off SPDIF once;
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*otherwise the IEC958 bits won't be updated
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*/
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if (codec->spdif_status_reset &&
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(codec->spdif_ctls & AC_DIG1_ENABLE))
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snd_hda_codec_write(codec,
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nvhdmi_convert_nids[i],
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0,
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AC_VERB_SET_DIGI_CONVERT_1,
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codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
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/* set the stream id */
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snd_hda_codec_write(codec,
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nvhdmi_convert_nids[i],
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0,
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AC_VERB_SET_CHANNEL_STREAMID,
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(stream_tag << 4) | channel_id);
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/* set the stream format */
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snd_hda_codec_write(codec,
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nvhdmi_convert_nids[i],
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0,
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AC_VERB_SET_STREAM_FORMAT,
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format);
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/* turn on again (if needed) */
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/* enable and set the channel status audio/data flag */
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if (codec->spdif_status_reset &&
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(codec->spdif_ctls & AC_DIG1_ENABLE)) {
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snd_hda_codec_write(codec,
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nvhdmi_convert_nids[i],
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0,
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AC_VERB_SET_DIGI_CONVERT_1,
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codec->spdif_ctls & 0xff);
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snd_hda_codec_write(codec,
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nvhdmi_convert_nids[i],
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0,
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AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
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}
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}
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/* set the Audio Info Frame Checksum */
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snd_hda_codec_write(codec, 0x1, 0,
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Nv_VERB_SET_Info_Frame_Checksum,
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(0x71 - chan - chanmask));
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mutex_unlock(&codec->spdif_mutex);
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return 0;
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}
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static int nvhdmi_dig_playback_pcm_prepare_2ch(struct hda_pcm_stream *hinfo,
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struct hda_codec *codec,
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unsigned int stream_tag,
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unsigned int format,
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struct snd_pcm_substream *substream)
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{
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struct nvhdmi_spec *spec = codec->spec;
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return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
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format, substream);
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}
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static struct hda_pcm_stream nvhdmi_pcm_digital_playback_8ch = {
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.substreams = 1,
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.channels_min = 2,
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.channels_max = 8,
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.nid = Nv_Master_Convert_nid,
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.rates = SNDRV_PCM_RATE_48000,
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.maxbps = 16,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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.ops = {
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.open = nvhdmi_dig_playback_pcm_open,
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.close = nvhdmi_dig_playback_pcm_close_8ch,
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.prepare = nvhdmi_dig_playback_pcm_prepare_8ch
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},
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};
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static struct hda_pcm_stream nvhdmi_pcm_digital_playback_2ch = {
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.substreams = 1,
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.channels_min = 2,
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.channels_max = 2,
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.nid = Nv_Master_Convert_nid,
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.rates = SNDRV_PCM_RATE_48000,
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.maxbps = 16,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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.ops = {
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.open = nvhdmi_dig_playback_pcm_open,
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.close = nvhdmi_dig_playback_pcm_close_2ch,
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.prepare = nvhdmi_dig_playback_pcm_prepare_2ch
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},
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};
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static int nvhdmi_build_pcms_8ch(struct hda_codec *codec)
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{
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struct nvhdmi_spec *spec = codec->spec;
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struct hda_pcm *info = &spec->pcm_rec;
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codec->num_pcms = 1;
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codec->pcm_info = info;
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info->name = "NVIDIA HDMI";
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info->pcm_type = HDA_PCM_TYPE_HDMI;
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info->stream[SNDRV_PCM_STREAM_PLAYBACK]
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= nvhdmi_pcm_digital_playback_8ch;
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return 0;
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}
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static int nvhdmi_build_pcms_2ch(struct hda_codec *codec)
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{
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struct nvhdmi_spec *spec = codec->spec;
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struct hda_pcm *info = &spec->pcm_rec;
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codec->num_pcms = 1;
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codec->pcm_info = info;
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info->name = "NVIDIA HDMI";
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info->pcm_type = HDA_PCM_TYPE_HDMI;
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info->stream[SNDRV_PCM_STREAM_PLAYBACK]
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= nvhdmi_pcm_digital_playback_2ch;
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return 0;
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}
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static void nvhdmi_free(struct hda_codec *codec)
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{
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kfree(codec->spec);
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}
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static struct hda_codec_ops nvhdmi_patch_ops_8ch = {
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.build_controls = nvhdmi_build_controls,
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.build_pcms = nvhdmi_build_pcms_8ch,
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.init = nvhdmi_init,
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.free = nvhdmi_free,
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};
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static struct hda_codec_ops nvhdmi_patch_ops_2ch = {
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.build_controls = nvhdmi_build_controls,
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.build_pcms = nvhdmi_build_pcms_2ch,
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.init = nvhdmi_init,
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.free = nvhdmi_free,
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};
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static int patch_nvhdmi_8ch(struct hda_codec *codec)
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{
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struct nvhdmi_spec *spec;
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spec = kzalloc(sizeof(*spec), GFP_KERNEL);
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if (spec == NULL)
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return -ENOMEM;
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codec->spec = spec;
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spec->multiout.num_dacs = 0; /* no analog */
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spec->multiout.max_channels = 8;
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spec->multiout.dig_out_nid = Nv_Master_Convert_nid;
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codec->patch_ops = nvhdmi_patch_ops_8ch;
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return 0;
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}
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static int patch_nvhdmi_2ch(struct hda_codec *codec)
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{
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struct nvhdmi_spec *spec;
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spec = kzalloc(sizeof(*spec), GFP_KERNEL);
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if (spec == NULL)
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return -ENOMEM;
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codec->spec = spec;
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spec->multiout.num_dacs = 0; /* no analog */
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spec->multiout.max_channels = 2;
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spec->multiout.dig_out_nid = Nv_Master_Convert_nid;
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codec->patch_ops = nvhdmi_patch_ops_2ch;
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return 0;
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}
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/*
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* patch entries
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*/
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static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
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{ .id = 0x10de0002, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
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{ .id = 0x10de0006, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
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{ .id = 0x10de0007, .name = "MCP7A HDMI", .patch = patch_nvhdmi_8ch },
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{ .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
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{ .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
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{} /* terminator */
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};
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MODULE_ALIAS("snd-hda-codec-id:10de0002");
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MODULE_ALIAS("snd-hda-codec-id:10de0006");
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MODULE_ALIAS("snd-hda-codec-id:10de0007");
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MODULE_ALIAS("snd-hda-codec-id:10de0067");
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MODULE_ALIAS("snd-hda-codec-id:10de8001");
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Nvidia HDMI HD-audio codec");
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static struct hda_codec_preset_list nvhdmi_list = {
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.preset = snd_hda_preset_nvhdmi,
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.owner = THIS_MODULE,
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};
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static int __init patch_nvhdmi_init(void)
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{
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return snd_hda_add_codec_preset(&nvhdmi_list);
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}
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static void __exit patch_nvhdmi_exit(void)
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{
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snd_hda_delete_codec_preset(&nvhdmi_list);
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}
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module_init(patch_nvhdmi_init)
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module_exit(patch_nvhdmi_exit)
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