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           .subdevice = (1<<31)|(nid), \
  37           .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
  38                     SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  39                     SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
  40           .info = snd_hda_mixer_amp_volume_info, \
  41           .get = snd_hda_mixer_amp_volume_get, \
  42           .put = snd_hda_mixer_amp_volume_put, \
  43           .tlv = { .c = snd_hda_mixer_amp_tlv },                \
  44           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  45 /* stereo volume with index */
  46 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
  47         HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  48 /* mono volume */
  49 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
  50         HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  51 /* stereo volume */
  52 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
  53         HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
  54 /* mono mute switch with index (index=0,1,...) (channel=1,2) */
  55 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  56         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  57           .subdevice = (1<<31)|(nid), \
  58           .info = snd_hda_mixer_amp_switch_info, \
  59           .get = snd_hda_mixer_amp_switch_get, \
  60           .put = snd_hda_mixer_amp_switch_put, \
  61           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  62 /* stereo mute switch with index */
  63 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
  64         HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  65 /* mono mute switch */
  66 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
  67         HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  68 /* stereo mute switch */
  69 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
  70         HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
  71 /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
  72 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  73         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  74           .subdevice = (1<<31)|(nid), \
  75           .info = snd_hda_mixer_amp_switch_info, \
  76           .get = snd_hda_mixer_amp_switch_get, \
  77           .put = snd_hda_mixer_amp_switch_put_beep, \
  78           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  79 /* special beep mono mute switch */
  80 #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
  81         HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  82 /* special beep stereo mute switch */
  83 #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
  84         HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
  85
  86 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
  87                                   struct snd_ctl_elem_info *uinfo);
  88 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
  89                                  struct snd_ctl_elem_value *ucontrol);
  90 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
  91                                  struct snd_ctl_elem_value *ucontrol);
  92 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
  93                           unsigned int size, unsigned int __user *tlv);
  94 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
  95                                   struct snd_ctl_elem_info *uinfo);
  96 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
  97                                  struct snd_ctl_elem_value *ucontrol);
  98 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
  99                                  struct snd_ctl_elem_value *ucontrol);
 100 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
 101                                       struct snd_ctl_elem_value *ucontrol);
 102 /* lowlevel accessor with caching; use carefully */
 103 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
 104                            int direction, int index);
 105 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
 106                              int direction, int idx, int mask, int val);
 107 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 108                              int dir, int idx, int mask, int val);
 109 #ifdef SND_HDA_NEEDS_RESUME
 110 void snd_hda_codec_resume_amp(struct hda_codec *codec);
 111 #endif
 112
 113 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
 114                              unsigned int *tlv);
 115 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
 116                                             const char *name);
 117 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 118                         unsigned int *tlv, const char **slaves);
 119 int snd_hda_codec_reset(struct hda_codec *codec);
 120
 121 /* amp value bits */
 122 #define HDA_AMP_MUTE    0x80
 123 #define HDA_AMP_UNMUTE  0x00
 124 #define HDA_AMP_VOLMASK 0x7f
 125
 126 /* mono switch binding multiple inputs */
 127 #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
 128         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
 129           .info = snd_hda_mixer_amp_switch_info, \
 130           .get = snd_hda_mixer_bind_switch_get, \
 131           .put = snd_hda_mixer_bind_switch_put, \
 132           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
 133
 134 /* stereo switch binding multiple inputs */
 135 #define HDA_BIND_MUTE(xname,nid,indices,dir) \
 136         HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
 137
 138 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
 139                                   struct snd_ctl_elem_value *ucontrol);
 140 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
 141                                   struct snd_ctl_elem_value *ucontrol);
 142
 143 /* more generic bound controls */
 144 struct hda_ctl_ops {
 145         snd_kcontrol_info_t *info;
 146         snd_kcontrol_get_t *get;
 147         snd_kcontrol_put_t *put;
 148         snd_kcontrol_tlv_rw_t *tlv;
 149 };
 150
 151 extern struct hda_ctl_ops snd_hda_bind_vol;     /* for bind-volume with TLV */
 152 extern struct hda_ctl_ops snd_hda_bind_sw;      /* for bind-switch */
 153
 154 struct hda_bind_ctls {
 155         struct hda_ctl_ops *ops;
 156         unsigned long values[];
 157 };
 158
 159 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
 160                                  struct snd_ctl_elem_info *uinfo);
 161 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
 162                                 struct snd_ctl_elem_value *ucontrol);
 163 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
 164                                 struct snd_ctl_elem_value *ucontrol);
 165 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 166                            unsigned int size, unsigned int __user *tlv);
 167
 168 #define HDA_BIND_VOL(xname, bindrec) \
 169         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 170           .name = xname, \
 171           .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
 172                           SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 173                           SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
 174           .info = snd_hda_mixer_bind_ctls_info,\
 175           .get =  snd_hda_mixer_bind_ctls_get,\
 176           .put = snd_hda_mixer_bind_ctls_put,\
 177           .tlv = { .c = snd_hda_mixer_bind_tlv },\
 178           .private_value = (long) (bindrec) }
 179 #define HDA_BIND_SW(xname, bindrec) \
 180         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 181           .name = xname, \
 182           .info = snd_hda_mixer_bind_ctls_info,\
 183           .get =  snd_hda_mixer_bind_ctls_get,\
 184           .put = snd_hda_mixer_bind_ctls_put,\
 185           .private_value = (long) (bindrec) }
 186
 187 /*
 188  * SPDIF I/O
 189  */
 190 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
 191 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
 192
 193 /*
 194  * input MUX helper
 195  */
 196 #define HDA_MAX_NUM_INPUTS      16
 197 struct hda_input_mux_item {
 198         const char *label;
 199         unsigned int index;
 200 };
 201 struct hda_input_mux {
 202         unsigned int num_items;
 203         struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
 204 };
 205
 206 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
 207                            struct snd_ctl_elem_info *uinfo);
 208 int snd_hda_input_mux_put(struct hda_codec *codec,
 209                           const struct hda_input_mux *imux,
 210                           struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
 211                           unsigned int *cur_val);
 212
 213 /*
 214  * Channel mode helper
 215  */
 216 struct hda_channel_mode {
 217         int channels;
 218         const struct hda_verb *sequence;
 219 };
 220
 221 int snd_hda_ch_mode_info(struct hda_codec *codec,
 222                          struct snd_ctl_elem_info *uinfo,
 223                          const struct hda_channel_mode *chmode,
 224                          int num_chmodes);
 225 int snd_hda_ch_mode_get(struct hda_codec *codec,
 226                         struct snd_ctl_elem_value *ucontrol,
 227                         const struct hda_channel_mode *chmode,
 228                         int num_chmodes,
 229                         int max_channels);
 230 int snd_hda_ch_mode_put(struct hda_codec *codec,
 231                         struct snd_ctl_elem_value *ucontrol,
 232                         const struct hda_channel_mode *chmode,
 233                         int num_chmodes,
 234                         int *max_channelsp);
 235
 236 /*
 237  * Multi-channel / digital-out PCM helper
 238  */
 239
 240 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
 241 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
 242
 243 struct hda_multi_out {
 244         int num_dacs;           /* # of DACs, must be more than 1 */
 245         hda_nid_t *dac_nids;    /* DAC list */
 246         hda_nid_t hp_nid;       /* optional DAC for HP, 0 when not exists */
 247         hda_nid_t extra_out_nid[3];     /* optional DACs, 0 when not exists */
 248         hda_nid_t dig_out_nid;  /* digital out audio widget */
 249         hda_nid_t *slave_dig_outs;
 250         int max_channels;       /* currently supported analog channels */
 251         int dig_out_used;       /* current usage of digital out (HDA_DIG_XXX) */
 252         int no_share_stream;    /* don't share a stream with multiple pins */
 253         int share_spdif;        /* share SPDIF pin */
 254         /* PCM information for both analog and SPDIF DACs */
 255         unsigned int analog_rates;
 256         unsigned int analog_maxbps;
 257         u64 analog_formats;
 258         unsigned int spdif_rates;
 259         unsigned int spdif_maxbps;
 260         u64 spdif_formats;
 261 };
 262
 263 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
 264                                   struct hda_multi_out *mout);
 265 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
 266                                struct hda_multi_out *mout);
 267 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
 268                                 struct hda_multi_out *mout);
 269 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
 270                                   struct hda_multi_out *mout,
 271                                   unsigned int stream_tag,
 272                                   unsigned int format,
 273                                   struct snd_pcm_substream *substream);
 274 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
 275                                   struct hda_multi_out *mout);
 276 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
 277                                   struct hda_multi_out *mout,
 278                                   struct snd_pcm_substream *substream,
 279                                   struct hda_pcm_stream *hinfo);
 280 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
 281                                      struct hda_multi_out *mout,
 282                                      unsigned int stream_tag,
 283                                      unsigned int format,
 284                                      struct snd_pcm_substream *substream);
 285 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
 286                                      struct hda_multi_out *mout);
 287
 288 /*
 289  * generic codec parser
 290  */
 291 #ifdef CONFIG_SND_HDA_GENERIC
 292 int snd_hda_parse_generic_codec(struct hda_codec *codec);
 293 #else
 294 static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
 295 {
 296         return -ENODEV;
 297 }
 298 #endif
 299
 300 /*
 301  * generic proc interface
 302  */
 303 #ifdef CONFIG_PROC_FS
 304 int snd_hda_codec_proc_new(struct hda_codec *codec);
 305 #else
 306 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
 307 #endif
 308
 309 #define SND_PRINT_RATES_ADVISED_BUFSIZE 80
 310 void snd_print_pcm_rates(int pcm, char *buf, int buflen);
 311
 312 #define SND_PRINT_BITS_ADVISED_BUFSIZE  16
 313 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
 314
 315 /*
 316  * Misc
 317  */
 318 int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
 319                                const char **modelnames,
 320                                const struct snd_pci_quirk *pci_list);
 321 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
 322                                int num_configs, const char **models,
 323                                const struct snd_pci_quirk *tbl);
 324 int snd_hda_add_new_ctls(struct hda_codec *codec,
 325                          struct snd_kcontrol_new *knew);
 326
 327 /*
 328  * unsolicited event handler
 329  */
 330
 331 #define HDA_UNSOL_QUEUE_SIZE    64
 332
 333 struct hda_bus_unsolicited {
 334         /* ring buffer */
 335         u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
 336         unsigned int rp, wp;
 337
 338         /* workqueue */
 339         struct work_struct work;
 340         struct hda_bus *bus;
 341 };
 342
 343 /*
 344  * Helper for automatic ping configuration
 345  */
 346
 347 enum {
 348         AUTO_PIN_MIC,
 349         AUTO_PIN_FRONT_MIC,
 350         AUTO_PIN_LINE,
 351         AUTO_PIN_FRONT_LINE,
 352         AUTO_PIN_CD,
 353         AUTO_PIN_AUX,
 354         AUTO_PIN_LAST
 355 };
 356
 357 enum {
 358         AUTO_PIN_LINE_OUT,
 359         AUTO_PIN_SPEAKER_OUT,
 360         AUTO_PIN_HP_OUT
 361 };
 362
 363 extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
 364
 365 #define AUTO_CFG_MAX_OUTS       5
 366
 367 struct auto_pin_cfg {
 368         int line_outs;
 369         /* sorted in the order of Front/Surr/CLFE/Side */
 370         hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
 371         int speaker_outs;
 372         hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
 373         int hp_outs;
 374         int line_out_type;      /* AUTO_PIN_XXX_OUT */
 375         hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
 376         hda_nid_t input_pins[AUTO_PIN_LAST];
 377         int dig_outs;
 378         hda_nid_t dig_out_pins[2];
 379         hda_nid_t dig_in_pin;
 380         hda_nid_t mono_out_pin;
 381         int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
 382         int dig_in_type; /* HDA_PCM_TYPE_XXX */
 383 };
 384
 385 #define get_defcfg_connect(cfg) \
 386         ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
 387 #define get_defcfg_association(cfg) \
 388         ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
 389 #define get_defcfg_location(cfg) \
 390         ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
 391 #define get_defcfg_sequence(cfg) \
 392         (cfg & AC_DEFCFG_SEQUENCE)
 393 #define get_defcfg_device(cfg) \
 394         ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
 395
 396 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 397                                  struct auto_pin_cfg *cfg,
 398                                  hda_nid_t *ignore_nids);
 399
 400 /* amp values */
 401 #define AMP_IN_MUTE(idx)        (0x7080 | ((idx)<<8))
 402 #define AMP_IN_UNMUTE(idx)      (0x7000 | ((idx)<<8))
 403 #define AMP_OUT_MUTE            0xb080
 404 #define AMP_OUT_UNMUTE          0xb000
 405 #define AMP_OUT_ZERO            0xb000
 406 /* pinctl values */
 407 #define PIN_IN                  (AC_PINCTL_IN_EN)
 408 #define PIN_VREFHIZ             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
 409 #define PIN_VREF50              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
 410 #define PIN_VREFGRD             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
 411 #define PIN_VREF80              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
 412 #define PIN_VREF100             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
 413 #define PIN_OUT                 (AC_PINCTL_OUT_EN)
 414 #define PIN_HP                  (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
 415 #define PIN_HP_AMP              (AC_PINCTL_HP_EN)
 416
 417 /*
 418  * get widget capabilities
 419  */
 420 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
 421 {
 422         if (nid < codec->start_nid ||
 423             nid >= codec->start_nid + codec->num_nodes)
 424                 return 0;
 425         return codec->wcaps[nid - codec->start_nid];
 426 }
 427
 428 /* get the widget type from widget capability bits */
 429 #define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
 430
 431 static inline unsigned int get_wcaps_channels(u32 wcaps)
 432 {
 433         unsigned int chans;
 434
 435         chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
 436         chans = ((chans << 1) | 1) + 1;
 437
 438         return chans;
 439 }
 440
 441 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 442 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 443                               unsigned int caps);
 444 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
 445
 446 struct hda_nid_item {
 447         struct snd_kcontrol *kctl;
 448         hda_nid_t nid;
 449 };
 450
 451 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
 452                     struct snd_kcontrol *kctl);
 453 void snd_hda_ctls_clear(struct hda_codec *codec);
 454
 455 /*
 456  * hwdep interface
 457  */
 458 #ifdef CONFIG_SND_HDA_HWDEP
 459 int snd_hda_create_hwdep(struct hda_codec *codec);
 460 #else
 461 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
 462 #endif
 463
 464 #if defined(CONFIG_SND_HDA_POWER_SAVE) && defined(CONFIG_SND_HDA_HWDEP)
 465 int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec);
 466 #else
 467 static inline int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec)
 468 {
 469         return 0;
 470 }
 471 #endif
 472
 473 #ifdef CONFIG_SND_HDA_RECONFIG
 474 int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
 475 #else
 476 static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
 477 {
 478         return 0;
 479 }
 480 #endif
 481
 482 #ifdef CONFIG_SND_HDA_RECONFIG
 483 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
 484 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
 485 #else
 486 static inline
 487 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
 488 {
 489         return NULL;
 490 }
 491
 492 static inline
 493 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
 494 {
 495         return -ENOENT;
 496 }
 497 #endif
 498
 499 /*
 500  * power-management
 501  */
 502
 503 #ifdef CONFIG_SND_HDA_POWER_SAVE
 504 void snd_hda_schedule_power_save(struct hda_codec *codec);
 505
 506 struct hda_amp_list {
 507         hda_nid_t nid;
 508         unsigned char dir;
 509         unsigned char idx;
 510 };
 511
 512 struct hda_loopback_check {
 513         struct hda_amp_list *amplist;
 514         int power_on;
 515 };
 516
 517 int snd_hda_check_amp_list_power(struct hda_codec *codec,
 518                                  struct hda_loopback_check *check,
 519                                  hda_nid_t nid);
 520 #endif /* CONFIG_SND_HDA_POWER_SAVE */
 521
 522 /*
 523  * AMP control callbacks
 524  */
 525 /* retrieve parameters from private_value */
 526 #define get_amp_nid_(pv)        ((pv) & 0xffff)
 527 #define get_amp_nid(kc)         get_amp_nid_((kc)->private_value)
 528 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 529 #define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
 530 #define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
 531 #define get_amp_offset(kc)      (((kc)->private_value >> 23) & 0x3f)
 532
 533 /*
 534  * CEA Short Audio Descriptor data
 535  */
 536 struct cea_sad {
 537         int     channels;
 538         int     format;         /* (format == 0) indicates invalid SAD */
 539         int     rates;
 540         int     sample_bits;    /* for LPCM */
 541         int     max_bitrate;    /* for AC3...ATRAC */
 542         int     profile;        /* for WMAPRO */
 543 };
 544
 545 #define ELD_FIXED_BYTES 20
 546 #define ELD_MAX_MNL     16
 547 #define ELD_MAX_SAD     16
 548
 549 /*
 550  * ELD: EDID Like Data
 551  */
 552 struct hdmi_eld {
 553         int     eld_size;
 554         int     baseline_len;
 555         int     eld_ver;        /* (eld_ver == 0) indicates invalid ELD */
 556         int     cea_edid_ver;
 557         char    monitor_name[ELD_MAX_MNL + 1];
 558         int     manufacture_id;
 559         int     product_id;
 560         u64     port_id;
 561         int     support_hdcp;
 562         int     support_ai;
 563         int     conn_type;
 564         int     aud_synch_delay;
 565         int     spk_alloc;
 566         int     sad_count;
 567         struct cea_sad sad[ELD_MAX_SAD];
 568 #ifdef CONFIG_PROC_FS
 569         struct snd_info_entry *proc_entry;
 570 #endif
 571 };
 572
 573 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
 574 int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
 575 void snd_hdmi_show_eld(struct hdmi_eld *eld);
 576
 577 #ifdef CONFIG_PROC_FS
 578 int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
 579                          int index);
 580 void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
 581 #else
 582 static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
 583                                        struct hdmi_eld *eld,
 584                                        int index)
 585 {
 586         return 0;
 587 }
 588 static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
 589                                          struct hdmi_eld *eld)
 590 {
 591 }
 592 #endif
 593
 594 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
 595 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
 596
 597 #endif /* __SOUND_HDA_LOCAL_H */