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
 103 /* amp value bits */
 104 #define HDA_AMP_MUTE    0x80
 105 #define HDA_AMP_UNMUTE  0x00
 106 #define HDA_AMP_VOLMASK 0x7f
 107
 108 /* mono switch binding multiple inputs */
 109 #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
 110         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
 111           .info = snd_hda_mixer_amp_switch_info, \
 112           .get = snd_hda_mixer_bind_switch_get, \
 113           .put = snd_hda_mixer_bind_switch_put, \
 114           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
 115
 116 /* stereo switch binding multiple inputs */
 117 #define HDA_BIND_MUTE(xname,nid,indices,dir) \
 118         HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
 119
 120 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
 121                                   struct snd_ctl_elem_value *ucontrol);
 122 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
 123                                   struct snd_ctl_elem_value *ucontrol);
 124
 125 /* more generic bound controls */
 126 struct hda_ctl_ops {
 127         snd_kcontrol_info_t *info;
 128         snd_kcontrol_get_t *get;
 129         snd_kcontrol_put_t *put;
 130         snd_kcontrol_tlv_rw_t *tlv;
 131 };
 132
 133 extern struct hda_ctl_ops snd_hda_bind_vol;     /* for bind-volume with TLV */
 134 extern struct hda_ctl_ops snd_hda_bind_sw;      /* for bind-switch */
 135
 136 struct hda_bind_ctls {
 137         struct hda_ctl_ops *ops;
 138         unsigned long values[];
 139 };
 140
 141 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
 142                                  struct snd_ctl_elem_info *uinfo);
 143 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
 144                                 struct snd_ctl_elem_value *ucontrol);
 145 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
 146                                 struct snd_ctl_elem_value *ucontrol);
 147 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 148                            unsigned int size, unsigned int __user *tlv);
 149
 150 #define HDA_BIND_VOL(xname, bindrec) \
 151         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 152           .name = xname, \
 153           .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
 154                           SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 155                           SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
 156           .info = snd_hda_mixer_bind_ctls_info,\
 157           .get =  snd_hda_mixer_bind_ctls_get,\
 158           .put = snd_hda_mixer_bind_ctls_put,\
 159           .tlv = { .c = snd_hda_mixer_bind_tlv },\
 160           .private_value = (long) (bindrec) }
 161 #define HDA_BIND_SW(xname, bindrec) \
 162         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 163           .name = xname, \
 164           .info = snd_hda_mixer_bind_ctls_info,\
 165           .get =  snd_hda_mixer_bind_ctls_get,\
 166           .put = snd_hda_mixer_bind_ctls_put,\
 167           .private_value = (long) (bindrec) }
 168
 169 /*
 170  * SPDIF I/O
 171  */
 172 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
 173 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
 174
 175 /*
 176  * input MUX helper
 177  */
 178 #define HDA_MAX_NUM_INPUTS      16
 179 struct hda_input_mux_item {
 180         const char *label;
 181         unsigned int index;
 182 };
 183 struct hda_input_mux {
 184         unsigned int num_items;
 185         struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
 186 };
 187
 188 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
 189                            struct snd_ctl_elem_info *uinfo);
 190 int snd_hda_input_mux_put(struct hda_codec *codec,
 191                           const struct hda_input_mux *imux,
 192                           struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
 193                           unsigned int *cur_val);
 194
 195 /*
 196  * Channel mode helper
 197  */
 198 struct hda_channel_mode {
 199         int channels;
 200         const struct hda_verb *sequence;
 201 };
 202
 203 int snd_hda_ch_mode_info(struct hda_codec *codec,
 204                          struct snd_ctl_elem_info *uinfo,
 205                          const struct hda_channel_mode *chmode,
 206                          int num_chmodes);
 207 int snd_hda_ch_mode_get(struct hda_codec *codec,
 208                         struct snd_ctl_elem_value *ucontrol,
 209                         const struct hda_channel_mode *chmode,
 210                         int num_chmodes,
 211                         int max_channels);
 212 int snd_hda_ch_mode_put(struct hda_codec *codec,
 213                         struct snd_ctl_elem_value *ucontrol,
 214                         const struct hda_channel_mode *chmode,
 215                         int num_chmodes,
 216                         int *max_channelsp);
 217
 218 /*
 219  * Multi-channel / digital-out PCM helper
 220  */
 221
 222 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
 223 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
 224
 225 struct hda_multi_out {
 226         int num_dacs;           /* # of DACs, must be more than 1 */
 227         hda_nid_t *dac_nids;    /* DAC list */
 228         hda_nid_t hp_nid;       /* optional DAC for HP, 0 when not exists */
 229         hda_nid_t extra_out_nid[3];     /* optional DACs, 0 when not exists */
 230         hda_nid_t dig_out_nid;  /* digital out audio widget */
 231         hda_nid_t *slave_dig_outs;
 232         int max_channels;       /* currently supported analog channels */
 233         int dig_out_used;       /* current usage of digital out (HDA_DIG_XXX) */
 234         int no_share_stream;    /* don't share a stream with multiple pins */
 235         int share_spdif;        /* share SPDIF pin */
 236         /* PCM information for both analog and SPDIF DACs */
 237         unsigned int analog_rates;
 238         unsigned int analog_maxbps;
 239         u64 analog_formats;
 240         unsigned int spdif_rates;
 241         unsigned int spdif_maxbps;
 242         u64 spdif_formats;
 243 };
 244
 245 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
 246                                   struct hda_multi_out *mout);
 247 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
 248                                struct hda_multi_out *mout);
 249 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
 250                                 struct hda_multi_out *mout);
 251 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
 252                                   struct hda_multi_out *mout,
 253                                   unsigned int stream_tag,
 254                                   unsigned int format,
 255                                   struct snd_pcm_substream *substream);
 256 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
 257                                   struct hda_multi_out *mout);
 258 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
 259                                   struct hda_multi_out *mout,
 260                                   struct snd_pcm_substream *substream,
 261                                   struct hda_pcm_stream *hinfo);
 262 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
 263                                      struct hda_multi_out *mout,
 264                                      unsigned int stream_tag,
 265                                      unsigned int format,
 266                                      struct snd_pcm_substream *substream);
 267 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
 268                                      struct hda_multi_out *mout);
 269
 270 /*
 271  * generic codec parser
 272  */
 273 #ifdef CONFIG_SND_HDA_GENERIC
 274 int snd_hda_parse_generic_codec(struct hda_codec *codec);
 275 #else
 276 static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
 277 {
 278         return -ENODEV;
 279 }
 280 #endif
 281
 282 /*
 283  * generic proc interface
 284  */
 285 #ifdef CONFIG_PROC_FS
 286 int snd_hda_codec_proc_new(struct hda_codec *codec);
 287 #else
 288 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
 289 #endif
 290
 291 #define SND_PRINT_RATES_ADVISED_BUFSIZE 80
 292 void snd_print_pcm_rates(int pcm, char *buf, int buflen);
 293
 294 #define SND_PRINT_BITS_ADVISED_BUFSIZE  16
 295 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
 296
 297 /*
 298  * Misc
 299  */
 300 int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
 301                                const char **modelnames,
 302                                const struct snd_pci_quirk *pci_list);
 303 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
 304                                int num_configs, const char **models,
 305                                const struct snd_pci_quirk *tbl);
 306 int snd_hda_add_new_ctls(struct hda_codec *codec,
 307                          struct snd_kcontrol_new *knew);
 308
 309 /*
 310  * unsolicited event handler
 311  */
 312
 313 #define HDA_UNSOL_QUEUE_SIZE    64
 314
 315 struct hda_bus_unsolicited {
 316         /* ring buffer */
 317         u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
 318         unsigned int rp, wp;
 319
 320         /* workqueue */
 321         struct work_struct work;
 322         struct hda_bus *bus;
 323 };
 324
 325 /*
 326  * Helper for automatic ping configuration
 327  */
 328
 329 enum {
 330         AUTO_PIN_MIC,
 331         AUTO_PIN_FRONT_MIC,
 332         AUTO_PIN_LINE,
 333         AUTO_PIN_FRONT_LINE,
 334         AUTO_PIN_CD,
 335         AUTO_PIN_AUX,
 336         AUTO_PIN_LAST
 337 };
 338
 339 enum {
 340         AUTO_PIN_LINE_OUT,
 341         AUTO_PIN_SPEAKER_OUT,
 342         AUTO_PIN_HP_OUT
 343 };
 344
 345 extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
 346
 347 #define AUTO_CFG_MAX_OUTS       5
 348
 349 struct auto_pin_cfg {
 350         int line_outs;
 351         /* sorted in the order of Front/Surr/CLFE/Side */
 352         hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
 353         int speaker_outs;
 354         hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
 355         int hp_outs;
 356         int line_out_type;      /* AUTO_PIN_XXX_OUT */
 357         hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
 358         hda_nid_t input_pins[AUTO_PIN_LAST];
 359         int dig_outs;
 360         hda_nid_t dig_out_pins[2];
 361         hda_nid_t dig_in_pin;
 362         hda_nid_t mono_out_pin;
 363         int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
 364         int dig_in_type; /* HDA_PCM_TYPE_XXX */
 365 };
 366
 367 #define get_defcfg_connect(cfg) \
 368         ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
 369 #define get_defcfg_association(cfg) \
 370         ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
 371 #define get_defcfg_location(cfg) \
 372         ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
 373 #define get_defcfg_sequence(cfg) \
 374         (cfg & AC_DEFCFG_SEQUENCE)
 375 #define get_defcfg_device(cfg) \
 376         ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
 377
 378 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 379                                  struct auto_pin_cfg *cfg,
 380                                  hda_nid_t *ignore_nids);
 381
 382 /* amp values */
 383 #define AMP_IN_MUTE(idx)        (0x7080 | ((idx)<<8))
 384 #define AMP_IN_UNMUTE(idx)      (0x7000 | ((idx)<<8))
 385 #define AMP_OUT_MUTE            0xb080
 386 #define AMP_OUT_UNMUTE          0xb000
 387 #define AMP_OUT_ZERO            0xb000
 388 /* pinctl values */
 389 #define PIN_IN                  (AC_PINCTL_IN_EN)
 390 #define PIN_VREFHIZ             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
 391 #define PIN_VREF50              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
 392 #define PIN_VREFGRD             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
 393 #define PIN_VREF80              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
 394 #define PIN_VREF100             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
 395 #define PIN_OUT                 (AC_PINCTL_OUT_EN)
 396 #define PIN_HP                  (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
 397 #define PIN_HP_AMP              (AC_PINCTL_HP_EN)
 398
 399 /*
 400  * get widget capabilities
 401  */
 402 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
 403 {
 404         if (nid < codec->start_nid ||
 405             nid >= codec->start_nid + codec->num_nodes)
 406                 return 0;
 407         return codec->wcaps[nid - codec->start_nid];
 408 }
 409
 410 /* get the widget type from widget capability bits */
 411 #define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
 412
 413 static inline unsigned int get_wcaps_channels(u32 wcaps)
 414 {
 415         unsigned int chans;
 416
 417         chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
 418         chans = ((chans << 1) | 1) + 1;
 419
 420         return chans;
 421 }
 422
 423 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 424 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 425                               unsigned int caps);
 426 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
 427
 428 int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl);
 429 void snd_hda_ctls_clear(struct hda_codec *codec);
 430
 431 /*
 432  * hwdep interface
 433  */
 434 #ifdef CONFIG_SND_HDA_HWDEP
 435 int snd_hda_create_hwdep(struct hda_codec *codec);
 436 #else
 437 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
 438 #endif
 439
 440 #ifdef CONFIG_SND_HDA_RECONFIG
 441 int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
 442 #else
 443 static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
 444 {
 445         return 0;
 446 }
 447 #endif
 448
 449 #ifdef CONFIG_SND_HDA_RECONFIG
 450 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
 451 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
 452 #else
 453 static inline
 454 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
 455 {
 456         return NULL;
 457 }
 458
 459 static inline
 460 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
 461 {
 462         return -ENOENT;
 463 }
 464 #endif
 465
 466 /*
 467  * power-management
 468  */
 469
 470 #ifdef CONFIG_SND_HDA_POWER_SAVE
 471 void snd_hda_schedule_power_save(struct hda_codec *codec);
 472
 473 struct hda_amp_list {
 474         hda_nid_t nid;
 475         unsigned char dir;
 476         unsigned char idx;
 477 };
 478
 479 struct hda_loopback_check {
 480         struct hda_amp_list *amplist;
 481         int power_on;
 482 };
 483
 484 int snd_hda_check_amp_list_power(struct hda_codec *codec,
 485                                  struct hda_loopback_check *check,
 486                                  hda_nid_t nid);
 487 #endif /* CONFIG_SND_HDA_POWER_SAVE */
 488
 489 /*
 490  * AMP control callbacks
 491  */
 492 /* retrieve parameters from private_value */
 493 #define get_amp_nid(kc)         ((kc)->private_value & 0xffff)
 494 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 495 #define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
 496 #define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
 497 #define get_amp_offset(kc)      (((kc)->private_value >> 23) & 0x3f)
 498
 499 /*
 500  * CEA Short Audio Descriptor data
 501  */
 502 struct cea_sad {
 503         int     channels;
 504         int     format;         /* (format == 0) indicates invalid SAD */
 505         int     rates;
 506         int     sample_bits;    /* for LPCM */
 507         int     max_bitrate;    /* for AC3...ATRAC */
 508         int     profile;        /* for WMAPRO */
 509 };
 510
 511 #define ELD_FIXED_BYTES 20
 512 #define ELD_MAX_MNL     16
 513 #define ELD_MAX_SAD     16
 514
 515 /*
 516  * ELD: EDID Like Data
 517  */
 518 struct hdmi_eld {
 519         int     eld_size;
 520         int     baseline_len;
 521         int     eld_ver;        /* (eld_ver == 0) indicates invalid ELD */
 522         int     cea_edid_ver;
 523         char    monitor_name[ELD_MAX_MNL + 1];
 524         int     manufacture_id;
 525         int     product_id;
 526         u64     port_id;
 527         int     support_hdcp;
 528         int     support_ai;
 529         int     conn_type;
 530         int     aud_synch_delay;
 531         int     spk_alloc;
 532         int     sad_count;
 533         struct cea_sad sad[ELD_MAX_SAD];
 534 #ifdef CONFIG_PROC_FS
 535         struct snd_info_entry *proc_entry;
 536 #endif
 537 };
 538
 539 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
 540 int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
 541 void snd_hdmi_show_eld(struct hdmi_eld *eld);
 542
 543 #ifdef CONFIG_PROC_FS
 544 int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld);
 545 void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
 546 #else
 547 static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
 548                                        struct hdmi_eld *eld)
 549 {
 550         return 0;
 551 }
 552 static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
 553                                          struct hdmi_eld *eld)
 554 {
 555 }
 556 #endif
 557
 558 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
 559 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
 560
 561 #endif /* __SOUND_HDA_LOCAL_H */