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 /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
  70 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  71         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  72           .info = snd_hda_mixer_amp_switch_info, \
  73           .get = snd_hda_mixer_amp_switch_get, \
  74           .put = snd_hda_mixer_amp_switch_put_beep, \
  75           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  76 /* special beep mono mute switch */
  77 #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
  78         HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  79 /* special beep stereo mute switch */
  80 #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
  81         HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
  82
  83 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
  84                                   struct snd_ctl_elem_info *uinfo);
  85 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
  86                                  struct snd_ctl_elem_value *ucontrol);
  87 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
  88                                  struct snd_ctl_elem_value *ucontrol);
  89 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
  90                           unsigned int size, unsigned int __user *tlv);
  91 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
  92                                   struct snd_ctl_elem_info *uinfo);
  93 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
  94                                  struct snd_ctl_elem_value *ucontrol);
  95 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
  96                                  struct snd_ctl_elem_value *ucontrol);
  97 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
  98                                       struct snd_ctl_elem_value *ucontrol);
  99 /* lowlevel accessor with caching; use carefully */
 100 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
 101                            int direction, int index);
 102 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
 103                              int direction, int idx, int mask, int val);
 104 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 105                              int dir, int idx, int mask, int val);
 106 #ifdef SND_HDA_NEEDS_RESUME
 107 void snd_hda_codec_resume_amp(struct hda_codec *codec);
 108 #endif
 109
 110 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
 111                              unsigned int *tlv);
 112 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
 113                                             const char *name);
 114 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 115                         unsigned int *tlv, const char **slaves);
 116 int snd_hda_codec_reset(struct hda_codec *codec);
 117
 118 /* amp value bits */
 119 #define HDA_AMP_MUTE    0x80
 120 #define HDA_AMP_UNMUTE  0x00
 121 #define HDA_AMP_VOLMASK 0x7f
 122
 123 /* mono switch binding multiple inputs */
 124 #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
 125         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
 126           .info = snd_hda_mixer_amp_switch_info, \
 127           .get = snd_hda_mixer_bind_switch_get, \
 128           .put = snd_hda_mixer_bind_switch_put, \
 129           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
 130
 131 /* stereo switch binding multiple inputs */
 132 #define HDA_BIND_MUTE(xname,nid,indices,dir) \
 133         HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
 134
 135 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
 136                                   struct snd_ctl_elem_value *ucontrol);
 137 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
 138                                   struct snd_ctl_elem_value *ucontrol);
 139
 140 /* more generic bound controls */
 141 struct hda_ctl_ops {
 142         snd_kcontrol_info_t *info;
 143         snd_kcontrol_get_t *get;
 144         snd_kcontrol_put_t *put;
 145         snd_kcontrol_tlv_rw_t *tlv;
 146 };
 147
 148 extern struct hda_ctl_ops snd_hda_bind_vol;     /* for bind-volume with TLV */
 149 extern struct hda_ctl_ops snd_hda_bind_sw;      /* for bind-switch */
 150
 151 struct hda_bind_ctls {
 152         struct hda_ctl_ops *ops;
 153         unsigned long values[];
 154 };
 155
 156 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
 157                                  struct snd_ctl_elem_info *uinfo);
 158 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
 159                                 struct snd_ctl_elem_value *ucontrol);
 160 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
 161                                 struct snd_ctl_elem_value *ucontrol);
 162 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 163                            unsigned int size, unsigned int __user *tlv);
 164
 165 #define HDA_BIND_VOL(xname, bindrec) \
 166         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 167           .name = xname, \
 168           .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
 169                           SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 170                           SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
 171           .info = snd_hda_mixer_bind_ctls_info,\
 172           .get =  snd_hda_mixer_bind_ctls_get,\
 173           .put = snd_hda_mixer_bind_ctls_put,\
 174           .tlv = { .c = snd_hda_mixer_bind_tlv },\
 175           .private_value = (long) (bindrec) }
 176 #define HDA_BIND_SW(xname, bindrec) \
 177         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 178           .name = xname, \
 179           .info = snd_hda_mixer_bind_ctls_info,\
 180           .get =  snd_hda_mixer_bind_ctls_get,\
 181           .put = snd_hda_mixer_bind_ctls_put,\
 182           .private_value = (long) (bindrec) }
 183
 184 /*
 185  * SPDIF I/O
 186  */
 187 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
 188 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
 189
 190 /*
 191  * input MUX helper
 192  */
 193 #define HDA_MAX_NUM_INPUTS      16
 194 struct hda_input_mux_item {
 195         const char *label;
 196         unsigned int index;
 197 };
 198 struct hda_input_mux {
 199         unsigned int num_items;
 200         struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
 201 };
 202
 203 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
 204                            struct snd_ctl_elem_info *uinfo);
 205 int snd_hda_input_mux_put(struct hda_codec *codec,
 206                           const struct hda_input_mux *imux,
 207                           struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
 208                           unsigned int *cur_val);
 209
 210 /*
 211  * Channel mode helper
 212  */
 213 struct hda_channel_mode {
 214         int channels;
 215         const struct hda_verb *sequence;
 216 };
 217
 218 int snd_hda_ch_mode_info(struct hda_codec *codec,
 219                          struct snd_ctl_elem_info *uinfo,
 220                          const struct hda_channel_mode *chmode,
 221                          int num_chmodes);
 222 int snd_hda_ch_mode_get(struct hda_codec *codec,
 223                         struct snd_ctl_elem_value *ucontrol,
 224                         const struct hda_channel_mode *chmode,
 225                         int num_chmodes,
 226                         int max_channels);
 227 int snd_hda_ch_mode_put(struct hda_codec *codec,
 228                         struct snd_ctl_elem_value *ucontrol,
 229                         const struct hda_channel_mode *chmode,
 230                         int num_chmodes,
 231                         int *max_channelsp);
 232
 233 /*
 234  * Multi-channel / digital-out PCM helper
 235  */
 236
 237 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
 238 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
 239
 240 struct hda_multi_out {
 241         int num_dacs;           /* # of DACs, must be more than 1 */
 242         hda_nid_t *dac_nids;    /* DAC list */
 243         hda_nid_t hp_nid;       /* optional DAC for HP, 0 when not exists */
 244         hda_nid_t extra_out_nid[3];     /* optional DACs, 0 when not exists */
 245         hda_nid_t dig_out_nid;  /* digital out audio widget */
 246         hda_nid_t *slave_dig_outs;
 247         int max_channels;       /* currently supported analog channels */
 248         int dig_out_used;       /* current usage of digital out (HDA_DIG_XXX) */
 249         int no_share_stream;    /* don't share a stream with multiple pins */
 250         int share_spdif;        /* share SPDIF pin */
 251         /* PCM information for both analog and SPDIF DACs */
 252         unsigned int analog_rates;
 253         unsigned int analog_maxbps;
 254         u64 analog_formats;
 255         unsigned int spdif_rates;
 256         unsigned int spdif_maxbps;
 257         u64 spdif_formats;
 258 };
 259
 260 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
 261                                   struct hda_multi_out *mout);
 262 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
 263                                struct hda_multi_out *mout);
 264 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
 265                                 struct hda_multi_out *mout);
 266 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
 267                                   struct hda_multi_out *mout,
 268                                   unsigned int stream_tag,
 269                                   unsigned int format,
 270                                   struct snd_pcm_substream *substream);
 271 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
 272                                   struct hda_multi_out *mout);
 273 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
 274                                   struct hda_multi_out *mout,
 275                                   struct snd_pcm_substream *substream,
 276                                   struct hda_pcm_stream *hinfo);
 277 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
 278                                      struct hda_multi_out *mout,
 279                                      unsigned int stream_tag,
 280                                      unsigned int format,
 281                                      struct snd_pcm_substream *substream);
 282 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
 283                                      struct hda_multi_out *mout);
 284
 285 /*
 286  * generic codec parser
 287  */
 288 #ifdef CONFIG_SND_HDA_GENERIC
 289 int snd_hda_parse_generic_codec(struct hda_codec *codec);
 290 #else
 291 static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
 292 {
 293         return -ENODEV;
 294 }
 295 #endif
 296
 297 /*
 298  * generic proc interface
 299  */
 300 #ifdef CONFIG_PROC_FS
 301 int snd_hda_codec_proc_new(struct hda_codec *codec);
 302 #else
 303 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
 304 #endif
 305
 306 #define SND_PRINT_RATES_ADVISED_BUFSIZE 80
 307 void snd_print_pcm_rates(int pcm, char *buf, int buflen);
 308
 309 #define SND_PRINT_BITS_ADVISED_BUFSIZE  16
 310 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
 311
 312 /*
 313  * Misc
 314  */
 315 int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
 316                                const char **modelnames,
 317                                const struct snd_pci_quirk *pci_list);
 318 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
 319                                int num_configs, const char **models,
 320                                const struct snd_pci_quirk *tbl);
 321 int snd_hda_add_new_ctls(struct hda_codec *codec,
 322                          struct snd_kcontrol_new *knew);
 323
 324 /*
 325  * unsolicited event handler
 326  */
 327
 328 #define HDA_UNSOL_QUEUE_SIZE    64
 329
 330 struct hda_bus_unsolicited {
 331         /* ring buffer */
 332         u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
 333         unsigned int rp, wp;
 334
 335         /* workqueue */
 336         struct work_struct work;
 337         struct hda_bus *bus;
 338 };
 339
 340 /*
 341  * Helper for automatic ping configuration
 342  */
 343
 344 enum {
 345         AUTO_PIN_MIC,
 346         AUTO_PIN_FRONT_MIC,
 347         AUTO_PIN_LINE,
 348         AUTO_PIN_FRONT_LINE,
 349         AUTO_PIN_CD,
 350         AUTO_PIN_AUX,
 351         AUTO_PIN_LAST
 352 };
 353
 354 enum {
 355         AUTO_PIN_LINE_OUT,
 356         AUTO_PIN_SPEAKER_OUT,
 357         AUTO_PIN_HP_OUT
 358 };
 359
 360 extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
 361
 362 #define AUTO_CFG_MAX_OUTS       5
 363
 364 struct auto_pin_cfg {
 365         int line_outs;
 366         /* sorted in the order of Front/Surr/CLFE/Side */
 367         hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
 368         int speaker_outs;
 369         hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
 370         int hp_outs;
 371         int line_out_type;      /* AUTO_PIN_XXX_OUT */
 372         hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
 373         hda_nid_t input_pins[AUTO_PIN_LAST];
 374         int dig_outs;
 375         hda_nid_t dig_out_pins[2];
 376         hda_nid_t dig_in_pin;
 377         hda_nid_t mono_out_pin;
 378         int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
 379         int dig_in_type; /* HDA_PCM_TYPE_XXX */
 380 };
 381
 382 #define get_defcfg_connect(cfg) \
 383         ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
 384 #define get_defcfg_association(cfg) \
 385         ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
 386 #define get_defcfg_location(cfg) \
 387         ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
 388 #define get_defcfg_sequence(cfg) \
 389         (cfg & AC_DEFCFG_SEQUENCE)
 390 #define get_defcfg_device(cfg) \
 391         ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
 392
 393 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 394                                  struct auto_pin_cfg *cfg,
 395                                  hda_nid_t *ignore_nids);
 396
 397 /* amp values */
 398 #define AMP_IN_MUTE(idx)        (0x7080 | ((idx)<<8))
 399 #define AMP_IN_UNMUTE(idx)      (0x7000 | ((idx)<<8))
 400 #define AMP_OUT_MUTE            0xb080
 401 #define AMP_OUT_UNMUTE          0xb000
 402 #define AMP_OUT_ZERO            0xb000
 403 /* pinctl values */
 404 #define PIN_IN                  (AC_PINCTL_IN_EN)
 405 #define PIN_VREFHIZ             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
 406 #define PIN_VREF50              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
 407 #define PIN_VREFGRD             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
 408 #define PIN_VREF80              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
 409 #define PIN_VREF100             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
 410 #define PIN_OUT                 (AC_PINCTL_OUT_EN)
 411 #define PIN_HP                  (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
 412 #define PIN_HP_AMP              (AC_PINCTL_HP_EN)
 413
 414 /*
 415  * get widget capabilities
 416  */
 417 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
 418 {
 419         if (nid < codec->start_nid ||
 420             nid >= codec->start_nid + codec->num_nodes)
 421                 return 0;
 422         return codec->wcaps[nid - codec->start_nid];
 423 }
 424
 425 /* get the widget type from widget capability bits */
 426 #define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
 427
 428 static inline unsigned int get_wcaps_channels(u32 wcaps)
 429 {
 430         unsigned int chans;
 431
 432         chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
 433         chans = ((chans << 1) | 1) + 1;
 434
 435         return chans;
 436 }
 437
 438 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 439 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 440                               unsigned int caps);
 441 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
 442
 443 int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl);
 444 void snd_hda_ctls_clear(struct hda_codec *codec);
 445
 446 /*
 447  * hwdep interface
 448  */
 449 #ifdef CONFIG_SND_HDA_HWDEP
 450 int snd_hda_create_hwdep(struct hda_codec *codec);
 451 #else
 452 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
 453 #endif
 454
 455 #if defined(CONFIG_SND_HDA_POWER_SAVE) && defined(CONFIG_SND_HDA_HWDEP)
 456 int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec);
 457 #else
 458 static inline int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec)
 459 {
 460         return 0;
 461 }
 462 #endif
 463
 464 #ifdef CONFIG_SND_HDA_RECONFIG
 465 int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
 466 #else
 467 static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
 468 {
 469         return 0;
 470 }
 471 #endif
 472
 473 #ifdef CONFIG_SND_HDA_RECONFIG
 474 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
 475 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
 476 #else
 477 static inline
 478 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
 479 {
 480         return NULL;
 481 }
 482
 483 static inline
 484 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
 485 {
 486         return -ENOENT;
 487 }
 488 #endif
 489
 490 /*
 491  * power-management
 492  */
 493
 494 #ifdef CONFIG_SND_HDA_POWER_SAVE
 495 void snd_hda_schedule_power_save(struct hda_codec *codec);
 496
 497 struct hda_amp_list {
 498         hda_nid_t nid;
 499         unsigned char dir;
 500         unsigned char idx;
 501 };
 502
 503 struct hda_loopback_check {
 504         struct hda_amp_list *amplist;
 505         int power_on;
 506 };
 507
 508 int snd_hda_check_amp_list_power(struct hda_codec *codec,
 509                                  struct hda_loopback_check *check,
 510                                  hda_nid_t nid);
 511 #endif /* CONFIG_SND_HDA_POWER_SAVE */
 512
 513 /*
 514  * AMP control callbacks
 515  */
 516 /* retrieve parameters from private_value */
 517 #define get_amp_nid(kc)         ((kc)->private_value & 0xffff)
 518 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 519 #define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
 520 #define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
 521 #define get_amp_offset(kc)      (((kc)->private_value >> 23) & 0x3f)
 522
 523 /*
 524  * CEA Short Audio Descriptor data
 525  */
 526 struct cea_sad {
 527         int     channels;
 528         int     format;         /* (format == 0) indicates invalid SAD */
 529         int     rates;
 530         int     sample_bits;    /* for LPCM */
 531         int     max_bitrate;    /* for AC3...ATRAC */
 532         int     profile;        /* for WMAPRO */
 533 };
 534
 535 #define ELD_FIXED_BYTES 20
 536 #define ELD_MAX_MNL     16
 537 #define ELD_MAX_SAD     16
 538
 539 /*
 540  * ELD: EDID Like Data
 541  */
 542 struct hdmi_eld {
 543         int     eld_size;
 544         int     baseline_len;
 545         int     eld_ver;        /* (eld_ver == 0) indicates invalid ELD */
 546         int     cea_edid_ver;
 547         char    monitor_name[ELD_MAX_MNL + 1];
 548         int     manufacture_id;
 549         int     product_id;
 550         u64     port_id;
 551         int     support_hdcp;
 552         int     support_ai;
 553         int     conn_type;
 554         int     aud_synch_delay;
 555         int     spk_alloc;
 556         int     sad_count;
 557         struct cea_sad sad[ELD_MAX_SAD];
 558 #ifdef CONFIG_PROC_FS
 559         struct snd_info_entry *proc_entry;
 560 #endif
 561 };
 562
 563 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
 564 int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
 565 void snd_hdmi_show_eld(struct hdmi_eld *eld);
 566
 567 #ifdef CONFIG_PROC_FS
 568 int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
 569                          int index);
 570 void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
 571 #else
 572 static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
 573                                        struct hdmi_eld *eld,
 574                                        int index)
 575 {
 576         return 0;
 577 }
 578 static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
 579                                          struct hdmi_eld *eld)
 580 {
 581 }
 582 #endif
 583
 584 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
 585 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
 586
 587 #endif /* __SOUND_HDA_LOCAL_H */