sound/pci/hda/hda_local.h

   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * Local helper functions
   5  *
   6  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify it
   9  *  under the terms of the GNU General Public License as published by the Free
  10  *  Software Foundation; either version 2 of the License, or (at your option)
  11  *  any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful, but WITHOUT
  14  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  16  *  more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License along with
  19  *  this program; if not, write to the Free Software Foundation, Inc., 59
  20  *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21  */
  22
  23 #ifndef __SOUND_HDA_LOCAL_H
  24 #define __SOUND_HDA_LOCAL_H
  25
  26 /*
  27  * for mixer controls
  28  */
  29 #define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs)            \
  30         ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
  31 #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
  32         HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
  33 /* mono volume with index (index=0,1,...) (channel=1,2) */
  34 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  35         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx,  \
  36           .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
  37                     SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  38                     SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
  39           .info = snd_hda_mixer_amp_volume_info, \
  40           .get = snd_hda_mixer_amp_volume_get, \
  41           .put = snd_hda_mixer_amp_volume_put, \
  42           .tlv = { .c = snd_hda_mixer_amp_tlv },                \
  43           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  44 /* stereo volume with index */
  45 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
  46         HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  47 /* mono volume */
  48 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
  49         HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  50 /* stereo volume */
  51 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
  52         HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
  53 /* mono mute switch with index (index=0,1,...) (channel=1,2) */
  54 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  55         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  56           .info = snd_hda_mixer_amp_switch_info, \
  57           .get = snd_hda_mixer_amp_switch_get, \
  58           .put = snd_hda_mixer_amp_switch_put, \
  59           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  60 /* stereo mute switch with index */
  61 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
  62         HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  63 /* mono mute switch */
  64 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
  65         HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  66 /* stereo mute switch */
  67 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
  68         HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
  69
  70 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
  71                                   struct snd_ctl_elem_info *uinfo);
  72 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
  73                                  struct snd_ctl_elem_value *ucontrol);
  74 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
  75                                  struct snd_ctl_elem_value *ucontrol);
  76 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
  77                           unsigned int size, unsigned int __user *tlv);
  78 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
  79                                   struct snd_ctl_elem_info *uinfo);
  80 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
  81                                  struct snd_ctl_elem_value *ucontrol);
  82 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
  83                                  struct snd_ctl_elem_value *ucontrol);
  84 /* lowlevel accessor with caching; use carefully */
  85 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
  86                            int direction, int index);
  87 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
  88                              int direction, int idx, int mask, int val);
  89 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
  90                              int dir, int idx, int mask, int val);
  91 #ifdef SND_HDA_NEEDS_RESUME
  92 void snd_hda_codec_resume_amp(struct hda_codec *codec);
  93 #endif
  94
  95 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
  96                              unsigned int *tlv);
  97 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
  98                                             const char *name);
  99 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 100                         unsigned int *tlv, const char **slaves);
 101 int snd_hda_codec_reset(struct hda_codec *codec);
 102 int snd_hda_codec_configure(struct hda_codec *codec);
 103
 104 /* amp value bits */
 105 #define HDA_AMP_MUTE    0x80
 106 #define HDA_AMP_UNMUTE  0x00
 107 #define HDA_AMP_VOLMASK 0x7f
 108
 109 /* mono switch binding multiple inputs */
 110 #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
 111         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
 112           .info = snd_hda_mixer_amp_switch_info, \
 113           .get = snd_hda_mixer_bind_switch_get, \
 114           .put = snd_hda_mixer_bind_switch_put, \
 115           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
 116
 117 /* stereo switch binding multiple inputs */
 118 #define HDA_BIND_MUTE(xname,nid,indices,dir) \
 119         HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
 120
 121 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
 122                                   struct snd_ctl_elem_value *ucontrol);
 123 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
 124                                   struct snd_ctl_elem_value *ucontrol);
 125
 126 /* more generic bound controls */
 127 struct hda_ctl_ops {
 128         snd_kcontrol_info_t *info;
 129         snd_kcontrol_get_t *get;
 130         snd_kcontrol_put_t *put;
 131         snd_kcontrol_tlv_rw_t *tlv;
 132 };
 133
 134 extern struct hda_ctl_ops snd_hda_bind_vol;     /* for bind-volume with TLV */
 135 extern struct hda_ctl_ops snd_hda_bind_sw;      /* for bind-switch */
 136
 137 struct hda_bind_ctls {
 138         struct hda_ctl_ops *ops;
 139         unsigned long values[];
 140 };
 141
 142 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
 143                                  struct snd_ctl_elem_info *uinfo);
 144 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
 145                                 struct snd_ctl_elem_value *ucontrol);
 146 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
 147                                 struct snd_ctl_elem_value *ucontrol);
 148 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 149                            unsigned int size, unsigned int __user *tlv);
 150
 151 #define HDA_BIND_VOL(xname, bindrec) \
 152         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 153           .name = xname, \
 154           .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
 155                           SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 156                           SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
 157           .info = snd_hda_mixer_bind_ctls_info,\
 158           .get =  snd_hda_mixer_bind_ctls_get,\
 159           .put = snd_hda_mixer_bind_ctls_put,\
 160           .tlv = { .c = snd_hda_mixer_bind_tlv },\
 161           .private_value = (long) (bindrec) }
 162 #define HDA_BIND_SW(xname, bindrec) \
 163         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 164           .name = xname, \
 165           .info = snd_hda_mixer_bind_ctls_info,\
 166           .get =  snd_hda_mixer_bind_ctls_get,\
 167           .put = snd_hda_mixer_bind_ctls_put,\
 168           .private_value = (long) (bindrec) }
 169
 170 /*
 171  * SPDIF I/O
 172  */
 173 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
 174 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
 175
 176 /*
 177  * input MUX helper
 178  */
 179 #define HDA_MAX_NUM_INPUTS      16
 180 struct hda_input_mux_item {
 181         const char *label;
 182         unsigned int index;
 183 };
 184 struct hda_input_mux {
 185         unsigned int num_items;
 186         struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
 187 };
 188
 189 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
 190                            struct snd_ctl_elem_info *uinfo);
 191 int snd_hda_input_mux_put(struct hda_codec *codec,
 192                           const struct hda_input_mux *imux,
 193                           struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
 194                           unsigned int *cur_val);
 195
 196 /*
 197  * Channel mode helper
 198  */
 199 struct hda_channel_mode {
 200         int channels;
 201         const struct hda_verb *sequence;
 202 };
 203
 204 int snd_hda_ch_mode_info(struct hda_codec *codec,
 205                          struct snd_ctl_elem_info *uinfo,
 206                          const struct hda_channel_mode *chmode,
 207                          int num_chmodes);
 208 int snd_hda_ch_mode_get(struct hda_codec *codec,
 209                         struct snd_ctl_elem_value *ucontrol,
 210                         const struct hda_channel_mode *chmode,
 211                         int num_chmodes,
 212                         int max_channels);
 213 int snd_hda_ch_mode_put(struct hda_codec *codec,
 214                         struct snd_ctl_elem_value *ucontrol,
 215                         const struct hda_channel_mode *chmode,
 216                         int num_chmodes,
 217                         int *max_channelsp);
 218
 219 /*
 220  * Multi-channel / digital-out PCM helper
 221  */
 222
 223 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
 224 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
 225
 226 struct hda_multi_out {
 227         int num_dacs;           /* # of DACs, must be more than 1 */
 228         hda_nid_t *dac_nids;    /* DAC list */
 229         hda_nid_t hp_nid;       /* optional DAC for HP, 0 when not exists */
 230         hda_nid_t extra_out_nid[3];     /* optional DACs, 0 when not exists */
 231         hda_nid_t dig_out_nid;  /* digital out audio widget */
 232         hda_nid_t *slave_dig_outs;
 233         int max_channels;       /* currently supported analog channels */
 234         int dig_out_used;       /* current usage of digital out (HDA_DIG_XXX) */
 235         int no_share_stream;    /* don't share a stream with multiple pins */
 236         int share_spdif;        /* share SPDIF pin */
 237         /* PCM information for both analog and SPDIF DACs */
 238         unsigned int analog_rates;
 239         unsigned int analog_maxbps;
 240         u64 analog_formats;
 241         unsigned int spdif_rates;
 242         unsigned int spdif_maxbps;
 243         u64 spdif_formats;
 244 };
 245
 246 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
 247                                   struct hda_multi_out *mout);
 248 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
 249                                struct hda_multi_out *mout);
 250 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
 251                                 struct hda_multi_out *mout);
 252 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
 253                                   struct hda_multi_out *mout,
 254                                   unsigned int stream_tag,
 255                                   unsigned int format,
 256                                   struct snd_pcm_substream *substream);
 257 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
 258                                   struct hda_multi_out *mout);
 259 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
 260                                   struct hda_multi_out *mout,
 261                                   struct snd_pcm_substream *substream,
 262                                   struct hda_pcm_stream *hinfo);
 263 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
 264                                      struct hda_multi_out *mout,
 265                                      unsigned int stream_tag,
 266                                      unsigned int format,
 267                                      struct snd_pcm_substream *substream);
 268 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
 269                                      struct hda_multi_out *mout);
 270
 271 /*
 272  * generic codec parser
 273  */
 274 #ifdef CONFIG_SND_HDA_GENERIC
 275 int snd_hda_parse_generic_codec(struct hda_codec *codec);
 276 #else
 277 static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
 278 {
 279         return -ENODEV;
 280 }
 281 #endif
 282
 283 /*
 284  * generic proc interface
 285  */
 286 #ifdef CONFIG_PROC_FS
 287 int snd_hda_codec_proc_new(struct hda_codec *codec);
 288 #else
 289 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
 290 #endif
 291
 292 #define SND_PRINT_RATES_ADVISED_BUFSIZE 80
 293 void snd_print_pcm_rates(int pcm, char *buf, int buflen);
 294
 295 #define SND_PRINT_BITS_ADVISED_BUFSIZE  16
 296 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
 297
 298 /*
 299  * Misc
 300  */
 301 int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
 302                                const char **modelnames,
 303                                const struct snd_pci_quirk *pci_list);
 304 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
 305                                int num_configs, const char **models,
 306                                const struct snd_pci_quirk *tbl);
 307 int snd_hda_add_new_ctls(struct hda_codec *codec,
 308                          struct snd_kcontrol_new *knew);
 309
 310 /*
 311  * unsolicited event handler
 312  */
 313
 314 #define HDA_UNSOL_QUEUE_SIZE    64
 315
 316 struct hda_bus_unsolicited {
 317         /* ring buffer */
 318         u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
 319         unsigned int rp, wp;
 320
 321         /* workqueue */
 322         struct work_struct work;
 323         struct hda_bus *bus;
 324 };
 325
 326 /*
 327  * Helper for automatic ping configuration
 328  */
 329
 330 enum {
 331         AUTO_PIN_MIC,
 332         AUTO_PIN_FRONT_MIC,
 333         AUTO_PIN_LINE,
 334         AUTO_PIN_FRONT_LINE,
 335         AUTO_PIN_CD,
 336         AUTO_PIN_AUX,
 337         AUTO_PIN_LAST
 338 };
 339
 340 enum {
 341         AUTO_PIN_LINE_OUT,
 342         AUTO_PIN_SPEAKER_OUT,
 343         AUTO_PIN_HP_OUT
 344 };
 345
 346 extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
 347
 348 #define AUTO_CFG_MAX_OUTS       5
 349
 350 struct auto_pin_cfg {
 351         int line_outs;
 352         /* sorted in the order of Front/Surr/CLFE/Side */
 353         hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
 354         int speaker_outs;
 355         hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
 356         int hp_outs;
 357         int line_out_type;      /* AUTO_PIN_XXX_OUT */
 358         hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
 359         hda_nid_t input_pins[AUTO_PIN_LAST];
 360         int dig_outs;
 361         hda_nid_t dig_out_pins[2];
 362         hda_nid_t dig_in_pin;
 363         hda_nid_t mono_out_pin;
 364         int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
 365         int dig_in_type; /* HDA_PCM_TYPE_XXX */
 366 };
 367
 368 #define get_defcfg_connect(cfg) \
 369         ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
 370 #define get_defcfg_association(cfg) \
 371         ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
 372 #define get_defcfg_location(cfg) \
 373         ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
 374 #define get_defcfg_sequence(cfg) \
 375         (cfg & AC_DEFCFG_SEQUENCE)
 376 #define get_defcfg_device(cfg) \
 377         ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
 378
 379 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 380                                  struct auto_pin_cfg *cfg,
 381                                  hda_nid_t *ignore_nids);
 382
 383 /* amp values */
 384 #define AMP_IN_MUTE(idx)        (0x7080 | ((idx)<<8))
 385 #define AMP_IN_UNMUTE(idx)      (0x7000 | ((idx)<<8))
 386 #define AMP_OUT_MUTE            0xb080
 387 #define AMP_OUT_UNMUTE          0xb000
 388 #define AMP_OUT_ZERO            0xb000
 389 /* pinctl values */
 390 #define PIN_IN                  (AC_PINCTL_IN_EN)
 391 #define PIN_VREFHIZ             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
 392 #define PIN_VREF50              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
 393 #define PIN_VREFGRD             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
 394 #define PIN_VREF80              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
 395 #define PIN_VREF100             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
 396 #define PIN_OUT                 (AC_PINCTL_OUT_EN)
 397 #define PIN_HP                  (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
 398 #define PIN_HP_AMP              (AC_PINCTL_HP_EN)
 399
 400 /*
 401  * get widget capabilities
 402  */
 403 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
 404 {
 405         if (nid < codec->start_nid ||
 406             nid >= codec->start_nid + codec->num_nodes)
 407                 return 0;
 408         return codec->wcaps[nid - codec->start_nid];
 409 }
 410
 411 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 412 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 413                               unsigned int caps);
 414 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
 415
 416 int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl);
 417 void snd_hda_ctls_clear(struct hda_codec *codec);
 418
 419 /*
 420  * hwdep interface
 421  */
 422 #ifdef CONFIG_SND_HDA_HWDEP
 423 int snd_hda_create_hwdep(struct hda_codec *codec);
 424 #else
 425 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
 426 #endif
 427
 428 #ifdef CONFIG_SND_HDA_RECONFIG
 429 int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
 430 #else
 431 static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
 432 {
 433         return 0;
 434 }
 435 #endif
 436
 437 #ifdef CONFIG_SND_HDA_RECONFIG
 438 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
 439 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
 440 #else
 441 static inline
 442 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
 443 {
 444         return NULL;
 445 }
 446
 447 static inline
 448 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
 449 {
 450         return -ENOENT;
 451 }
 452 #endif
 453
 454 /*
 455  * power-management
 456  */
 457
 458 #ifdef CONFIG_SND_HDA_POWER_SAVE
 459 void snd_hda_schedule_power_save(struct hda_codec *codec);
 460
 461 struct hda_amp_list {
 462         hda_nid_t nid;
 463         unsigned char dir;
 464         unsigned char idx;
 465 };
 466
 467 struct hda_loopback_check {
 468         struct hda_amp_list *amplist;
 469         int power_on;
 470 };
 471
 472 int snd_hda_check_amp_list_power(struct hda_codec *codec,
 473                                  struct hda_loopback_check *check,
 474                                  hda_nid_t nid);
 475 #endif /* CONFIG_SND_HDA_POWER_SAVE */
 476
 477 /*
 478  * AMP control callbacks
 479  */
 480 /* retrieve parameters from private_value */
 481 #define get_amp_nid(kc)         ((kc)->private_value & 0xffff)
 482 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 483 #define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
 484 #define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
 485 #define get_amp_offset(kc)      (((kc)->private_value >> 23) & 0x3f)
 486
 487 /*
 488  * CEA Short Audio Descriptor data
 489  */
 490 struct cea_sad {
 491         int     channels;
 492         int     format;         /* (format == 0) indicates invalid SAD */
 493         int     rates;
 494         int     sample_bits;    /* for LPCM */
 495         int     max_bitrate;    /* for AC3...ATRAC */
 496         int     profile;        /* for WMAPRO */
 497 };
 498
 499 #define ELD_FIXED_BYTES 20
 500 #define ELD_MAX_MNL     16
 501 #define ELD_MAX_SAD     16
 502
 503 /*
 504  * ELD: EDID Like Data
 505  */
 506 struct hdmi_eld {
 507         int     eld_size;
 508         int     baseline_len;
 509         int     eld_ver;        /* (eld_ver == 0) indicates invalid ELD */
 510         int     cea_edid_ver;
 511         char    monitor_name[ELD_MAX_MNL + 1];
 512         int     manufacture_id;
 513         int     product_id;
 514         u64     port_id;
 515         int     support_hdcp;
 516         int     support_ai;
 517         int     conn_type;
 518         int     aud_synch_delay;
 519         int     spk_alloc;
 520         int     sad_count;
 521         struct cea_sad sad[ELD_MAX_SAD];
 522 #ifdef CONFIG_PROC_FS
 523         struct snd_info_entry *proc_entry;
 524 #endif
 525 };
 526
 527 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
 528 int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
 529 void snd_hdmi_show_eld(struct hdmi_eld *eld);
 530
 531 #ifdef CONFIG_PROC_FS
 532 int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld);
 533 void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
 534 #else
 535 static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
 536                                        struct hdmi_eld *eld)
 537 {
 538         return 0;
 539 }
 540 static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
 541                                          struct hdmi_eld *eld)
 542 {
 543 }
 544 #endif
 545
 546 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
 547 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
 548
 549 #endif /* __SOUND_HDA_LOCAL_H */