sound/pci/hda/patch_nvhdmi.c

   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * HD audio interface patch for NVIDIA HDMI codecs
   5  *
   6  * Copyright (c) 2008 NVIDIA Corp.  All rights reserved.
   7  * Copyright (c) 2008 Wei Ni <wni@nvidia.com>
   8  *
   9  *
  10  *  This driver is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This driver is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  23  */
  24
  25 #include <linux/init.h>
  26 #include <linux/delay.h>
  27 #include <linux/slab.h>
  28 #include <sound/core.h>
  29 #include "hda_codec.h"
  30 #include "hda_local.h"
  31
  32 struct nvhdmi_spec {
  33         struct hda_multi_out multiout;
  34
  35         struct hda_pcm pcm_rec;
  36 };
  37
  38 #define Nv_VERB_SET_Channel_Allocation          0xF79
  39 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
  40 #define Nv_VERB_SET_Audio_Protection_On         0xF98
  41 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
  42
  43 #define Nv_Master_Convert_nid   0x04
  44 #define Nv_Master_Pin_nid       0x05
  45
  46 static hda_nid_t nvhdmi_convert_nids[4] = {
  47         /*front, rear, clfe, rear_surr */
  48         0x6, 0x8, 0xa, 0xc,
  49 };
  50
  51 static struct hda_verb nvhdmi_basic_init[] = {
  52         /* set audio protect on */
  53         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
  54         /* enable digital output on pin widget */
  55         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
  56         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
  57         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
  58         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
  59         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
  60         {} /* terminator */
  61 };
  62
  63 /*
  64  * Controls
  65  */
  66 static int nvhdmi_build_controls(struct hda_codec *codec)
  67 {
  68         struct nvhdmi_spec *spec = codec->spec;
  69         int err;
  70
  71         err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
  72         if (err < 0)
  73                 return err;
  74
  75         return 0;
  76 }
  77
  78 static int nvhdmi_init(struct hda_codec *codec)
  79 {
  80         snd_hda_sequence_write(codec, nvhdmi_basic_init);
  81         return 0;
  82 }
  83
  84 /*
  85  * Digital out
  86  */
  87 static int nvhdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
  88                                         struct hda_codec *codec,
  89                                         struct snd_pcm_substream *substream)
  90 {
  91         struct nvhdmi_spec *spec = codec->spec;
  92         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
  93 }
  94
  95 static int nvhdmi_dig_playback_pcm_close_8ch(struct hda_pcm_stream *hinfo,
  96                                         struct hda_codec *codec,
  97                                         struct snd_pcm_substream *substream)
  98 {
  99         struct nvhdmi_spec *spec = codec->spec;
 100         int i;
 101
 102         snd_hda_codec_write(codec, Nv_Master_Convert_nid,
 103                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
 104         for (i = 0; i < 4; i++) {
 105                 /* set the stream id */
 106                 snd_hda_codec_write(codec, nvhdmi_convert_nids[i], 0,
 107                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
 108                 /* set the stream format */
 109                 snd_hda_codec_write(codec, nvhdmi_convert_nids[i], 0,
 110                                 AC_VERB_SET_STREAM_FORMAT, 0);
 111         }
 112
 113         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
 114 }
 115
 116 static int nvhdmi_dig_playback_pcm_close_2ch(struct hda_pcm_stream *hinfo,
 117                                         struct hda_codec *codec,
 118                                         struct snd_pcm_substream *substream)
 119 {
 120         struct nvhdmi_spec *spec = codec->spec;
 121         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
 122 }
 123
 124 static int nvhdmi_dig_playback_pcm_prepare_8ch(struct hda_pcm_stream *hinfo,
 125                                         struct hda_codec *codec,
 126                                         unsigned int stream_tag,
 127                                         unsigned int format,
 128                                         struct snd_pcm_substream *substream)
 129 {
 130         int chs;
 131         unsigned int dataDCC1, dataDCC2, chan, chanmask, channel_id;
 132         int i;
 133
 134         mutex_lock(&codec->spdif_mutex);
 135
 136         chs = substream->runtime->channels;
 137         chan = chs ? (chs - 1) : 1;
 138
 139         switch (chs) {
 140         default:
 141         case 0:
 142         case 2:
 143                 chanmask = 0x00;
 144                 break;
 145         case 4:
 146                 chanmask = 0x08;
 147                 break;
 148         case 6:
 149                 chanmask = 0x0b;
 150                 break;
 151         case 8:
 152                 chanmask = 0x13;
 153                 break;
 154         }
 155         dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
 156         dataDCC2 = 0x2;
 157
 158         /* set the Audio InforFrame Channel Allocation */
 159         snd_hda_codec_write(codec, 0x1, 0,
 160                         Nv_VERB_SET_Channel_Allocation, chanmask);
 161
 162         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
 163         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
 164                 snd_hda_codec_write(codec,
 165                                 Nv_Master_Convert_nid,
 166                                 0,
 167                                 AC_VERB_SET_DIGI_CONVERT_1,
 168                                 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
 169
 170         /* set the stream id */
 171         snd_hda_codec_write(codec, Nv_Master_Convert_nid, 0,
 172                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
 173
 174         /* set the stream format */
 175         snd_hda_codec_write(codec, Nv_Master_Convert_nid, 0,
 176                         AC_VERB_SET_STREAM_FORMAT, format);
 177
 178         /* turn on again (if needed) */
 179         /* enable and set the channel status audio/data flag */
 180         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
 181                 snd_hda_codec_write(codec,
 182                                 Nv_Master_Convert_nid,
 183                                 0,
 184                                 AC_VERB_SET_DIGI_CONVERT_1,
 185                                 codec->spdif_ctls & 0xff);
 186                 snd_hda_codec_write(codec,
 187                                 Nv_Master_Convert_nid,
 188                                 0,
 189                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
 190         }
 191
 192         for (i = 0; i < 4; i++) {
 193                 if (chs == 2)
 194                         channel_id = 0;
 195                 else
 196                         channel_id = i * 2;
 197
 198                 /* turn off SPDIF once;
 199                  *otherwise the IEC958 bits won't be updated
 200                  */
 201                 if (codec->spdif_status_reset &&
 202                 (codec->spdif_ctls & AC_DIG1_ENABLE))
 203                         snd_hda_codec_write(codec,
 204                                 nvhdmi_convert_nids[i],
 205                                 0,
 206                                 AC_VERB_SET_DIGI_CONVERT_1,
 207                                 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
 208                 /* set the stream id */
 209                 snd_hda_codec_write(codec,
 210                                 nvhdmi_convert_nids[i],
 211                                 0,
 212                                 AC_VERB_SET_CHANNEL_STREAMID,
 213                                 (stream_tag << 4) | channel_id);
 214                 /* set the stream format */
 215                 snd_hda_codec_write(codec,
 216                                 nvhdmi_convert_nids[i],
 217                                 0,
 218                                 AC_VERB_SET_STREAM_FORMAT,
 219                                 format);
 220                 /* turn on again (if needed) */
 221                 /* enable and set the channel status audio/data flag */
 222                 if (codec->spdif_status_reset &&
 223                 (codec->spdif_ctls & AC_DIG1_ENABLE)) {
 224                         snd_hda_codec_write(codec,
 225                                         nvhdmi_convert_nids[i],
 226                                         0,
 227                                         AC_VERB_SET_DIGI_CONVERT_1,
 228                                         codec->spdif_ctls & 0xff);
 229                         snd_hda_codec_write(codec,
 230                                         nvhdmi_convert_nids[i],
 231                                         0,
 232                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
 233                 }
 234         }
 235
 236         /* set the Audio Info Frame Checksum */
 237         snd_hda_codec_write(codec, 0x1, 0,
 238                         Nv_VERB_SET_Info_Frame_Checksum,
 239                         (0x71 - chan - chanmask));
 240
 241         mutex_unlock(&codec->spdif_mutex);
 242         return 0;
 243 }
 244
 245 static int nvhdmi_dig_playback_pcm_prepare_2ch(struct hda_pcm_stream *hinfo,
 246                                         struct hda_codec *codec,
 247                                         unsigned int stream_tag,
 248                                         unsigned int format,
 249                                         struct snd_pcm_substream *substream)
 250 {
 251         struct nvhdmi_spec *spec = codec->spec;
 252         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
 253                                         format, substream);
 254 }
 255
 256 static struct hda_pcm_stream nvhdmi_pcm_digital_playback_8ch = {
 257         .substreams = 1,
 258         .channels_min = 2,
 259         .channels_max = 8,
 260         .nid = Nv_Master_Convert_nid,
 261         .rates = SNDRV_PCM_RATE_48000,
 262         .maxbps = 16,
 263         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 264         .ops = {
 265                 .open = nvhdmi_dig_playback_pcm_open,
 266                 .close = nvhdmi_dig_playback_pcm_close_8ch,
 267                 .prepare = nvhdmi_dig_playback_pcm_prepare_8ch
 268         },
 269 };
 270
 271 static struct hda_pcm_stream nvhdmi_pcm_digital_playback_2ch = {
 272         .substreams = 1,
 273         .channels_min = 2,
 274         .channels_max = 2,
 275         .nid = Nv_Master_Convert_nid,
 276         .rates = SNDRV_PCM_RATE_48000,
 277         .maxbps = 16,
 278         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 279         .ops = {
 280                 .open = nvhdmi_dig_playback_pcm_open,
 281                 .close = nvhdmi_dig_playback_pcm_close_2ch,
 282                 .prepare = nvhdmi_dig_playback_pcm_prepare_2ch
 283         },
 284 };
 285
 286 static int nvhdmi_build_pcms_8ch(struct hda_codec *codec)
 287 {
 288         struct nvhdmi_spec *spec = codec->spec;
 289         struct hda_pcm *info = &spec->pcm_rec;
 290
 291         codec->num_pcms = 1;
 292         codec->pcm_info = info;
 293
 294         info->name = "NVIDIA HDMI";
 295         info->pcm_type = HDA_PCM_TYPE_HDMI;
 296         info->stream[SNDRV_PCM_STREAM_PLAYBACK]
 297                                         = nvhdmi_pcm_digital_playback_8ch;
 298
 299         return 0;
 300 }
 301
 302 static int nvhdmi_build_pcms_2ch(struct hda_codec *codec)
 303 {
 304         struct nvhdmi_spec *spec = codec->spec;
 305         struct hda_pcm *info = &spec->pcm_rec;
 306
 307         codec->num_pcms = 1;
 308         codec->pcm_info = info;
 309
 310         info->name = "NVIDIA HDMI";
 311         info->pcm_type = HDA_PCM_TYPE_HDMI;
 312         info->stream[SNDRV_PCM_STREAM_PLAYBACK]
 313                                         = nvhdmi_pcm_digital_playback_2ch;
 314
 315         return 0;
 316 }
 317
 318 static void nvhdmi_free(struct hda_codec *codec)
 319 {
 320         kfree(codec->spec);
 321 }
 322
 323 static struct hda_codec_ops nvhdmi_patch_ops_8ch = {
 324         .build_controls = nvhdmi_build_controls,
 325         .build_pcms = nvhdmi_build_pcms_8ch,
 326         .init = nvhdmi_init,
 327         .free = nvhdmi_free,
 328 };
 329
 330 static struct hda_codec_ops nvhdmi_patch_ops_2ch = {
 331         .build_controls = nvhdmi_build_controls,
 332         .build_pcms = nvhdmi_build_pcms_2ch,
 333         .init = nvhdmi_init,
 334         .free = nvhdmi_free,
 335 };
 336
 337 static int patch_nvhdmi_8ch(struct hda_codec *codec)
 338 {
 339         struct nvhdmi_spec *spec;
 340
 341         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 342         if (spec == NULL)
 343                 return -ENOMEM;
 344
 345         codec->spec = spec;
 346
 347         spec->multiout.num_dacs = 0;  /* no analog */
 348         spec->multiout.max_channels = 8;
 349         spec->multiout.dig_out_nid = Nv_Master_Convert_nid;
 350
 351         codec->patch_ops = nvhdmi_patch_ops_8ch;
 352
 353         return 0;
 354 }
 355
 356 static int patch_nvhdmi_2ch(struct hda_codec *codec)
 357 {
 358         struct nvhdmi_spec *spec;
 359
 360         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 361         if (spec == NULL)
 362                 return -ENOMEM;
 363
 364         codec->spec = spec;
 365
 366         spec->multiout.num_dacs = 0;  /* no analog */
 367         spec->multiout.max_channels = 2;
 368         spec->multiout.dig_out_nid = Nv_Master_Convert_nid;
 369
 370         codec->patch_ops = nvhdmi_patch_ops_2ch;
 371
 372         return 0;
 373 }
 374
 375 /*
 376  * patch entries
 377  */
 378 static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
 379         { .id = 0x10de0002, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
 380         { .id = 0x10de0006, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
 381         { .id = 0x10de0007, .name = "MCP7A HDMI", .patch = patch_nvhdmi_8ch },
 382         { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
 383         { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
 384         {} /* terminator */
 385 };
 386
 387 MODULE_ALIAS("snd-hda-codec-id:10de0002");
 388 MODULE_ALIAS("snd-hda-codec-id:10de0006");
 389 MODULE_ALIAS("snd-hda-codec-id:10de0007");
 390 MODULE_ALIAS("snd-hda-codec-id:10de0067");
 391 MODULE_ALIAS("snd-hda-codec-id:10de8001");
 392
 393 MODULE_LICENSE("GPL");
 394 MODULE_DESCRIPTION("Nvidia HDMI HD-audio codec");
 395
 396 static struct hda_codec_preset_list nvhdmi_list = {
 397         .preset = snd_hda_preset_nvhdmi,
 398         .owner = THIS_MODULE,
 399 };
 400
 401 static int __init patch_nvhdmi_init(void)
 402 {
 403         return snd_hda_add_codec_preset(&nvhdmi_list);
 404 }
 405
 406 static void __exit patch_nvhdmi_exit(void)
 407 {
 408         snd_hda_delete_codec_preset(&nvhdmi_list);
 409 }
 410
 411 module_init(patch_nvhdmi_init)
 412 module_exit(patch_nvhdmi_exit)