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 /* define below to restrict the supported rates and formats */
  33 /* #define LIMITED_RATE_FMT_SUPPORT */
  34
  35 struct nvhdmi_spec {
  36         struct hda_multi_out multiout;
  37
  38         struct hda_pcm pcm_rec;
  39 };
  40
  41 #define Nv_VERB_SET_Channel_Allocation          0xF79
  42 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
  43 #define Nv_VERB_SET_Audio_Protection_On         0xF98
  44 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
  45
  46 #define Nv_Master_Convert_nid   0x04
  47 #define Nv_Master_Pin_nid       0x05
  48
  49 static hda_nid_t nvhdmi_convert_nids[4] = {
  50         /*front, rear, clfe, rear_surr */
  51         0x6, 0x8, 0xa, 0xc,
  52 };
  53
  54 static struct hda_verb nvhdmi_basic_init[] = {
  55         /* set audio protect on */
  56         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
  57         /* enable digital output on pin widget */
  58         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
  59         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
  60         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
  61         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
  62         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
  63         {} /* terminator */
  64 };
  65
  66 #ifdef LIMITED_RATE_FMT_SUPPORT
  67 /* support only the safe format and rate */
  68 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
  69 #define SUPPORTED_MAXBPS        16
  70 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
  71 #else
  72 /* support all rates and formats */
  73 #define SUPPORTED_RATES \
  74         (SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
  75         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
  76          SNDRV_PCM_RATE_192000)
  77 #define SUPPORTED_MAXBPS        24
  78 #define SUPPORTED_FORMATS \
  79         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
  80 #endif
  81
  82 /*
  83  * Controls
  84  */
  85 static int nvhdmi_build_controls(struct hda_codec *codec)
  86 {
  87         struct nvhdmi_spec *spec = codec->spec;
  88         int err;
  89
  90         err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
  91         if (err < 0)
  92                 return err;
  93
  94         return 0;
  95 }
  96
  97 static int nvhdmi_init(struct hda_codec *codec)
  98 {
  99         snd_hda_sequence_write(codec, nvhdmi_basic_init);
 100         return 0;
 101 }
 102
 103 /*
 104  * Digital out
 105  */
 106 static int nvhdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
 107                                         struct hda_codec *codec,
 108                                         struct snd_pcm_substream *substream)
 109 {
 110         struct nvhdmi_spec *spec = codec->spec;
 111         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
 112 }
 113
 114 static int nvhdmi_dig_playback_pcm_close_8ch(struct hda_pcm_stream *hinfo,
 115                                         struct hda_codec *codec,
 116                                         struct snd_pcm_substream *substream)
 117 {
 118         struct nvhdmi_spec *spec = codec->spec;
 119         int i;
 120
 121         snd_hda_codec_write(codec, Nv_Master_Convert_nid,
 122                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
 123         for (i = 0; i < 4; i++) {
 124                 /* set the stream id */
 125                 snd_hda_codec_write(codec, nvhdmi_convert_nids[i], 0,
 126                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
 127                 /* set the stream format */
 128                 snd_hda_codec_write(codec, nvhdmi_convert_nids[i], 0,
 129                                 AC_VERB_SET_STREAM_FORMAT, 0);
 130         }
 131
 132         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
 133 }
 134
 135 static int nvhdmi_dig_playback_pcm_close_2ch(struct hda_pcm_stream *hinfo,
 136                                         struct hda_codec *codec,
 137                                         struct snd_pcm_substream *substream)
 138 {
 139         struct nvhdmi_spec *spec = codec->spec;
 140         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
 141 }
 142
 143 static int nvhdmi_dig_playback_pcm_prepare_8ch(struct hda_pcm_stream *hinfo,
 144                                         struct hda_codec *codec,
 145                                         unsigned int stream_tag,
 146                                         unsigned int format,
 147                                         struct snd_pcm_substream *substream)
 148 {
 149         int chs;
 150         unsigned int dataDCC1, dataDCC2, chan, chanmask, channel_id;
 151         int i;
 152
 153         mutex_lock(&codec->spdif_mutex);
 154
 155         chs = substream->runtime->channels;
 156         chan = chs ? (chs - 1) : 1;
 157
 158         switch (chs) {
 159         default:
 160         case 0:
 161         case 2:
 162                 chanmask = 0x00;
 163                 break;
 164         case 4:
 165                 chanmask = 0x08;
 166                 break;
 167         case 6:
 168                 chanmask = 0x0b;
 169                 break;
 170         case 8:
 171                 chanmask = 0x13;
 172                 break;
 173         }
 174         dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
 175         dataDCC2 = 0x2;
 176
 177         /* set the Audio InforFrame Channel Allocation */
 178         snd_hda_codec_write(codec, 0x1, 0,
 179                         Nv_VERB_SET_Channel_Allocation, chanmask);
 180
 181         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
 182         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
 183                 snd_hda_codec_write(codec,
 184                                 Nv_Master_Convert_nid,
 185                                 0,
 186                                 AC_VERB_SET_DIGI_CONVERT_1,
 187                                 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
 188
 189         /* set the stream id */
 190         snd_hda_codec_write(codec, Nv_Master_Convert_nid, 0,
 191                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
 192
 193         /* set the stream format */
 194         snd_hda_codec_write(codec, Nv_Master_Convert_nid, 0,
 195                         AC_VERB_SET_STREAM_FORMAT, format);
 196
 197         /* turn on again (if needed) */
 198         /* enable and set the channel status audio/data flag */
 199         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
 200                 snd_hda_codec_write(codec,
 201                                 Nv_Master_Convert_nid,
 202                                 0,
 203                                 AC_VERB_SET_DIGI_CONVERT_1,
 204                                 codec->spdif_ctls & 0xff);
 205                 snd_hda_codec_write(codec,
 206                                 Nv_Master_Convert_nid,
 207                                 0,
 208                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
 209         }
 210
 211         for (i = 0; i < 4; i++) {
 212                 if (chs == 2)
 213                         channel_id = 0;
 214                 else
 215                         channel_id = i * 2;
 216
 217                 /* turn off SPDIF once;
 218                  *otherwise the IEC958 bits won't be updated
 219                  */
 220                 if (codec->spdif_status_reset &&
 221                 (codec->spdif_ctls & AC_DIG1_ENABLE))
 222                         snd_hda_codec_write(codec,
 223                                 nvhdmi_convert_nids[i],
 224                                 0,
 225                                 AC_VERB_SET_DIGI_CONVERT_1,
 226                                 codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
 227                 /* set the stream id */
 228                 snd_hda_codec_write(codec,
 229                                 nvhdmi_convert_nids[i],
 230                                 0,
 231                                 AC_VERB_SET_CHANNEL_STREAMID,
 232                                 (stream_tag << 4) | channel_id);
 233                 /* set the stream format */
 234                 snd_hda_codec_write(codec,
 235                                 nvhdmi_convert_nids[i],
 236                                 0,
 237                                 AC_VERB_SET_STREAM_FORMAT,
 238                                 format);
 239                 /* turn on again (if needed) */
 240                 /* enable and set the channel status audio/data flag */
 241                 if (codec->spdif_status_reset &&
 242                 (codec->spdif_ctls & AC_DIG1_ENABLE)) {
 243                         snd_hda_codec_write(codec,
 244                                         nvhdmi_convert_nids[i],
 245                                         0,
 246                                         AC_VERB_SET_DIGI_CONVERT_1,
 247                                         codec->spdif_ctls & 0xff);
 248                         snd_hda_codec_write(codec,
 249                                         nvhdmi_convert_nids[i],
 250                                         0,
 251                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
 252                 }
 253         }
 254
 255         /* set the Audio Info Frame Checksum */
 256         snd_hda_codec_write(codec, 0x1, 0,
 257                         Nv_VERB_SET_Info_Frame_Checksum,
 258                         (0x71 - chan - chanmask));
 259
 260         mutex_unlock(&codec->spdif_mutex);
 261         return 0;
 262 }
 263
 264 static int nvhdmi_dig_playback_pcm_prepare_2ch(struct hda_pcm_stream *hinfo,
 265                                         struct hda_codec *codec,
 266                                         unsigned int stream_tag,
 267                                         unsigned int format,
 268                                         struct snd_pcm_substream *substream)
 269 {
 270         struct nvhdmi_spec *spec = codec->spec;
 271         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
 272                                         format, substream);
 273 }
 274
 275 static struct hda_pcm_stream nvhdmi_pcm_digital_playback_8ch = {
 276         .substreams = 1,
 277         .channels_min = 2,
 278         .channels_max = 8,
 279         .nid = Nv_Master_Convert_nid,
 280         .rates = SUPPORTED_RATES,
 281         .maxbps = SUPPORTED_MAXBPS,
 282         .formats = SUPPORTED_FORMATS,
 283         .ops = {
 284                 .open = nvhdmi_dig_playback_pcm_open,
 285                 .close = nvhdmi_dig_playback_pcm_close_8ch,
 286                 .prepare = nvhdmi_dig_playback_pcm_prepare_8ch
 287         },
 288 };
 289
 290 static struct hda_pcm_stream nvhdmi_pcm_digital_playback_2ch = {
 291         .substreams = 1,
 292         .channels_min = 2,
 293         .channels_max = 2,
 294         .nid = Nv_Master_Convert_nid,
 295         .rates = SUPPORTED_RATES,
 296         .maxbps = SUPPORTED_MAXBPS,
 297         .formats = SUPPORTED_FORMATS,
 298         .ops = {
 299                 .open = nvhdmi_dig_playback_pcm_open,
 300                 .close = nvhdmi_dig_playback_pcm_close_2ch,
 301                 .prepare = nvhdmi_dig_playback_pcm_prepare_2ch
 302         },
 303 };
 304
 305 static int nvhdmi_build_pcms_8ch(struct hda_codec *codec)
 306 {
 307         struct nvhdmi_spec *spec = codec->spec;
 308         struct hda_pcm *info = &spec->pcm_rec;
 309
 310         codec->num_pcms = 1;
 311         codec->pcm_info = info;
 312
 313         info->name = "NVIDIA HDMI";
 314         info->pcm_type = HDA_PCM_TYPE_HDMI;
 315         info->stream[SNDRV_PCM_STREAM_PLAYBACK]
 316                                         = nvhdmi_pcm_digital_playback_8ch;
 317
 318         return 0;
 319 }
 320
 321 static int nvhdmi_build_pcms_2ch(struct hda_codec *codec)
 322 {
 323         struct nvhdmi_spec *spec = codec->spec;
 324         struct hda_pcm *info = &spec->pcm_rec;
 325
 326         codec->num_pcms = 1;
 327         codec->pcm_info = info;
 328
 329         info->name = "NVIDIA HDMI";
 330         info->pcm_type = HDA_PCM_TYPE_HDMI;
 331         info->stream[SNDRV_PCM_STREAM_PLAYBACK]
 332                                         = nvhdmi_pcm_digital_playback_2ch;
 333
 334         return 0;
 335 }
 336
 337 static void nvhdmi_free(struct hda_codec *codec)
 338 {
 339         kfree(codec->spec);
 340 }
 341
 342 static struct hda_codec_ops nvhdmi_patch_ops_8ch = {
 343         .build_controls = nvhdmi_build_controls,
 344         .build_pcms = nvhdmi_build_pcms_8ch,
 345         .init = nvhdmi_init,
 346         .free = nvhdmi_free,
 347 };
 348
 349 static struct hda_codec_ops nvhdmi_patch_ops_2ch = {
 350         .build_controls = nvhdmi_build_controls,
 351         .build_pcms = nvhdmi_build_pcms_2ch,
 352         .init = nvhdmi_init,
 353         .free = nvhdmi_free,
 354 };
 355
 356 static int patch_nvhdmi_8ch(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 = 8;
 368         spec->multiout.dig_out_nid = Nv_Master_Convert_nid;
 369
 370         codec->patch_ops = nvhdmi_patch_ops_8ch;
 371
 372         return 0;
 373 }
 374
 375 static int patch_nvhdmi_2ch(struct hda_codec *codec)
 376 {
 377         struct nvhdmi_spec *spec;
 378
 379         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 380         if (spec == NULL)
 381                 return -ENOMEM;
 382
 383         codec->spec = spec;
 384
 385         spec->multiout.num_dacs = 0;  /* no analog */
 386         spec->multiout.max_channels = 2;
 387         spec->multiout.dig_out_nid = Nv_Master_Convert_nid;
 388
 389         codec->patch_ops = nvhdmi_patch_ops_2ch;
 390
 391         return 0;
 392 }
 393
 394 /*
 395  * patch entries
 396  */
 397 static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
 398         { .id = 0x10de0002, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
 399         { .id = 0x10de0003, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
 400         { .id = 0x10de0006, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
 401         { .id = 0x10de0007, .name = "MCP7A HDMI", .patch = patch_nvhdmi_8ch },
 402         { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
 403         { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
 404         {} /* terminator */
 405 };
 406
 407 MODULE_ALIAS("snd-hda-codec-id:10de0002");
 408 MODULE_ALIAS("snd-hda-codec-id:10de0003");
 409 MODULE_ALIAS("snd-hda-codec-id:10de0006");
 410 MODULE_ALIAS("snd-hda-codec-id:10de0007");
 411 MODULE_ALIAS("snd-hda-codec-id:10de0067");
 412 MODULE_ALIAS("snd-hda-codec-id:10de8001");
 413
 414 MODULE_LICENSE("GPL");
 415 MODULE_DESCRIPTION("Nvidia HDMI HD-audio codec");
 416
 417 static struct hda_codec_preset_list nvhdmi_list = {
 418         .preset = snd_hda_preset_nvhdmi,
 419         .owner = THIS_MODULE,
 420 };
 421
 422 static int __init patch_nvhdmi_init(void)
 423 {
 424         return snd_hda_add_codec_preset(&nvhdmi_list);
 425 }
 426
 427 static void __exit patch_nvhdmi_exit(void)
 428 {
 429         snd_hda_delete_codec_preset(&nvhdmi_list);
 430 }
 431
 432 module_init(patch_nvhdmi_init)
 433 module_exit(patch_nvhdmi_exit)