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 /* We abuse kcontrol_new.subdev field to pass the NID corresponding to
  27  * the given new control.  If id.subdev has a bit flag HDA_SUBDEV_NID_FLAG,
  28  * snd_hda_ctl_add() takes the lower-bit subdev value as a valid NID.
  29  *
  30  * Note that the subdevice field is cleared again before the real registration
  31  * in snd_hda_ctl_add(), so that this value won't appear in the outside.
  32  */
  33 #define HDA_SUBDEV_NID_FLAG     (1U << 31)
  34
  35 /*
  36  * for mixer controls
  37  */
  38 #define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs)            \
  39         ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
  40 #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
  41         HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
  42 /* mono volume with index (index=0,1,...) (channel=1,2) */
  43 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  44         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx,  \
  45           .subdevice = HDA_SUBDEV_NID_FLAG | (nid), \
  46           .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
  47                     SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  48                     SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
  49           .info = snd_hda_mixer_amp_volume_info, \
  50           .get = snd_hda_mixer_amp_volume_get, \
  51           .put = snd_hda_mixer_amp_volume_put, \
  52           .tlv = { .c = snd_hda_mixer_amp_tlv },                \
  53           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  54 /* stereo volume with index */
  55 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
  56         HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  57 /* mono volume */
  58 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
  59         HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  60 /* stereo volume */
  61 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
  62         HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
  63 /* mono mute switch with index (index=0,1,...) (channel=1,2) */
  64 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  65         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  66           .subdevice = HDA_SUBDEV_NID_FLAG | (nid), \
  67           .info = snd_hda_mixer_amp_switch_info, \
  68           .get = snd_hda_mixer_amp_switch_get, \
  69           .put = snd_hda_mixer_amp_switch_put, \
  70           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  71 /* stereo mute switch with index */
  72 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
  73         HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  74 /* mono mute switch */
  75 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
  76         HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  77 /* stereo mute switch */
  78 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
  79         HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
  80 #ifdef CONFIG_SND_HDA_INPUT_BEEP
  81 /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
  82 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  83         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  84           .subdevice = HDA_SUBDEV_NID_FLAG | (nid), \
  85           .info = snd_hda_mixer_amp_switch_info, \
  86           .get = snd_hda_mixer_amp_switch_get, \
  87           .put = snd_hda_mixer_amp_switch_put_beep, \
  88           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  89 #else
  90 /* no digital beep - just the standard one */
  91 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
  92         HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
  93 #endif /* CONFIG_SND_HDA_INPUT_BEEP */
  94 /* special beep mono mute switch */
  95 #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
  96         HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  97 /* special beep stereo mute switch */
  98 #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
  99         HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
 100
 101 extern const char *snd_hda_pcm_type_name[];
 102
 103 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
 104                                   struct snd_ctl_elem_info *uinfo);
 105 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
 106                                  struct snd_ctl_elem_value *ucontrol);
 107 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
 108                                  struct snd_ctl_elem_value *ucontrol);
 109 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 110                           unsigned int size, unsigned int __user *tlv);
 111 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
 112                                   struct snd_ctl_elem_info *uinfo);
 113 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
 114                                  struct snd_ctl_elem_value *ucontrol);
 115 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
 116                                  struct snd_ctl_elem_value *ucontrol);
 117 #ifdef CONFIG_SND_HDA_INPUT_BEEP
 118 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
 119                                       struct snd_ctl_elem_value *ucontrol);
 120 #endif
 121 /* lowlevel accessor with caching; use carefully */
 122 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
 123                            int direction, int index);
 124 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
 125                              int direction, int idx, int mask, int val);
 126 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 127                              int dir, int idx, int mask, int val);
 128 #ifdef SND_HDA_NEEDS_RESUME
 129 void snd_hda_codec_resume_amp(struct hda_codec *codec);
 130 #endif
 131
 132 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
 133                              unsigned int *tlv);
 134 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
 135                                             const char *name);
 136 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 137                         unsigned int *tlv, const char **slaves);
 138 int snd_hda_codec_reset(struct hda_codec *codec);
 139
 140 /* amp value bits */
 141 #define HDA_AMP_MUTE    0x80
 142 #define HDA_AMP_UNMUTE  0x00
 143 #define HDA_AMP_VOLMASK 0x7f
 144
 145 /* mono switch binding multiple inputs */
 146 #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
 147         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
 148           .info = snd_hda_mixer_amp_switch_info, \
 149           .get = snd_hda_mixer_bind_switch_get, \
 150           .put = snd_hda_mixer_bind_switch_put, \
 151           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
 152
 153 /* stereo switch binding multiple inputs */
 154 #define HDA_BIND_MUTE(xname,nid,indices,dir) \
 155         HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
 156
 157 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
 158                                   struct snd_ctl_elem_value *ucontrol);
 159 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
 160                                   struct snd_ctl_elem_value *ucontrol);
 161
 162 /* more generic bound controls */
 163 struct hda_ctl_ops {
 164         snd_kcontrol_info_t *info;
 165         snd_kcontrol_get_t *get;
 166         snd_kcontrol_put_t *put;
 167         snd_kcontrol_tlv_rw_t *tlv;
 168 };
 169
 170 extern struct hda_ctl_ops snd_hda_bind_vol;     /* for bind-volume with TLV */
 171 extern struct hda_ctl_ops snd_hda_bind_sw;      /* for bind-switch */
 172
 173 struct hda_bind_ctls {
 174         struct hda_ctl_ops *ops;
 175         unsigned long values[];
 176 };
 177
 178 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
 179                                  struct snd_ctl_elem_info *uinfo);
 180 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
 181                                 struct snd_ctl_elem_value *ucontrol);
 182 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
 183                                 struct snd_ctl_elem_value *ucontrol);
 184 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 185                            unsigned int size, unsigned int __user *tlv);
 186
 187 #define HDA_BIND_VOL(xname, bindrec) \
 188         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 189           .name = xname, \
 190           .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
 191                           SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 192                           SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
 193           .info = snd_hda_mixer_bind_ctls_info,\
 194           .get =  snd_hda_mixer_bind_ctls_get,\
 195           .put = snd_hda_mixer_bind_ctls_put,\
 196           .tlv = { .c = snd_hda_mixer_bind_tlv },\
 197           .private_value = (long) (bindrec) }
 198 #define HDA_BIND_SW(xname, bindrec) \
 199         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 200           .name = xname, \
 201           .info = snd_hda_mixer_bind_ctls_info,\
 202           .get =  snd_hda_mixer_bind_ctls_get,\
 203           .put = snd_hda_mixer_bind_ctls_put,\
 204           .private_value = (long) (bindrec) }
 205
 206 /*
 207  * SPDIF I/O
 208  */
 209 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
 210 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
 211
 212 /*
 213  * input MUX helper
 214  */
 215 #define HDA_MAX_NUM_INPUTS      16
 216 struct hda_input_mux_item {
 217         const char *label;
 218         unsigned int index;
 219 };
 220 struct hda_input_mux {
 221         unsigned int num_items;
 222         struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
 223 };
 224
 225 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
 226                            struct snd_ctl_elem_info *uinfo);
 227 int snd_hda_input_mux_put(struct hda_codec *codec,
 228                           const struct hda_input_mux *imux,
 229                           struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
 230                           unsigned int *cur_val);
 231
 232 /*
 233  * Channel mode helper
 234  */
 235 struct hda_channel_mode {
 236         int channels;
 237         const struct hda_verb *sequence;
 238 };
 239
 240 int snd_hda_ch_mode_info(struct hda_codec *codec,
 241                          struct snd_ctl_elem_info *uinfo,
 242                          const struct hda_channel_mode *chmode,
 243                          int num_chmodes);
 244 int snd_hda_ch_mode_get(struct hda_codec *codec,
 245                         struct snd_ctl_elem_value *ucontrol,
 246                         const struct hda_channel_mode *chmode,
 247                         int num_chmodes,
 248                         int max_channels);
 249 int snd_hda_ch_mode_put(struct hda_codec *codec,
 250                         struct snd_ctl_elem_value *ucontrol,
 251                         const struct hda_channel_mode *chmode,
 252                         int num_chmodes,
 253                         int *max_channelsp);
 254
 255 /*
 256  * Multi-channel / digital-out PCM helper
 257  */
 258
 259 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
 260 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
 261
 262 struct hda_multi_out {
 263         int num_dacs;           /* # of DACs, must be more than 1 */
 264         hda_nid_t *dac_nids;    /* DAC list */
 265         hda_nid_t hp_nid;       /* optional DAC for HP, 0 when not exists */
 266         hda_nid_t extra_out_nid[3];     /* optional DACs, 0 when not exists */
 267         hda_nid_t dig_out_nid;  /* digital out audio widget */
 268         hda_nid_t *slave_dig_outs;
 269         int max_channels;       /* currently supported analog channels */
 270         int dig_out_used;       /* current usage of digital out (HDA_DIG_XXX) */
 271         int no_share_stream;    /* don't share a stream with multiple pins */
 272         int share_spdif;        /* share SPDIF pin */
 273         /* PCM information for both analog and SPDIF DACs */
 274         unsigned int analog_rates;
 275         unsigned int analog_maxbps;
 276         u64 analog_formats;
 277         unsigned int spdif_rates;
 278         unsigned int spdif_maxbps;
 279         u64 spdif_formats;
 280 };
 281
 282 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
 283                                   struct hda_multi_out *mout);
 284 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
 285                                struct hda_multi_out *mout);
 286 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
 287                                 struct hda_multi_out *mout);
 288 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
 289                                   struct hda_multi_out *mout,
 290                                   unsigned int stream_tag,
 291                                   unsigned int format,
 292                                   struct snd_pcm_substream *substream);
 293 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
 294                                   struct hda_multi_out *mout);
 295 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
 296                                   struct hda_multi_out *mout,
 297                                   struct snd_pcm_substream *substream,
 298                                   struct hda_pcm_stream *hinfo);
 299 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
 300                                      struct hda_multi_out *mout,
 301                                      unsigned int stream_tag,
 302                                      unsigned int format,
 303                                      struct snd_pcm_substream *substream);
 304 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
 305                                      struct hda_multi_out *mout);
 306
 307 /*
 308  * generic codec parser
 309  */
 310 #ifdef CONFIG_SND_HDA_GENERIC
 311 int snd_hda_parse_generic_codec(struct hda_codec *codec);
 312 #else
 313 static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
 314 {
 315         return -ENODEV;
 316 }
 317 #endif
 318
 319 /*
 320  * generic proc interface
 321  */
 322 #ifdef CONFIG_PROC_FS
 323 int snd_hda_codec_proc_new(struct hda_codec *codec);
 324 #else
 325 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
 326 #endif
 327
 328 #define SND_PRINT_RATES_ADVISED_BUFSIZE 80
 329 void snd_print_pcm_rates(int pcm, char *buf, int buflen);
 330
 331 #define SND_PRINT_BITS_ADVISED_BUFSIZE  16
 332 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
 333
 334 /*
 335  * Misc
 336  */
 337 int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
 338                                const char **modelnames,
 339                                const struct snd_pci_quirk *pci_list);
 340 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
 341                                int num_configs, const char **models,
 342                                const struct snd_pci_quirk *tbl);
 343 int snd_hda_add_new_ctls(struct hda_codec *codec,
 344                          struct snd_kcontrol_new *knew);
 345
 346 /*
 347  * unsolicited event handler
 348  */
 349
 350 #define HDA_UNSOL_QUEUE_SIZE    64
 351
 352 struct hda_bus_unsolicited {
 353         /* ring buffer */
 354         u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
 355         unsigned int rp, wp;
 356
 357         /* workqueue */
 358         struct work_struct work;
 359         struct hda_bus *bus;
 360 };
 361
 362 /*
 363  * Helper for automatic ping configuration
 364  */
 365
 366 enum {
 367         AUTO_PIN_MIC,
 368         AUTO_PIN_FRONT_MIC,
 369         AUTO_PIN_LINE,
 370         AUTO_PIN_FRONT_LINE,
 371         AUTO_PIN_CD,
 372         AUTO_PIN_AUX,
 373         AUTO_PIN_LAST
 374 };
 375
 376 enum {
 377         AUTO_PIN_LINE_OUT,
 378         AUTO_PIN_SPEAKER_OUT,
 379         AUTO_PIN_HP_OUT
 380 };
 381
 382 extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
 383
 384 #define AUTO_CFG_MAX_OUTS       5
 385
 386 struct auto_pin_cfg {
 387         int line_outs;
 388         /* sorted in the order of Front/Surr/CLFE/Side */
 389         hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
 390         int speaker_outs;
 391         hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
 392         int hp_outs;
 393         int line_out_type;      /* AUTO_PIN_XXX_OUT */
 394         hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
 395         hda_nid_t input_pins[AUTO_PIN_LAST];
 396         int dig_outs;
 397         hda_nid_t dig_out_pins[2];
 398         hda_nid_t dig_in_pin;
 399         hda_nid_t mono_out_pin;
 400         int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
 401         int dig_in_type; /* HDA_PCM_TYPE_XXX */
 402 };
 403
 404 #define get_defcfg_connect(cfg) \
 405         ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
 406 #define get_defcfg_association(cfg) \
 407         ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
 408 #define get_defcfg_location(cfg) \
 409         ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
 410 #define get_defcfg_sequence(cfg) \
 411         (cfg & AC_DEFCFG_SEQUENCE)
 412 #define get_defcfg_device(cfg) \
 413         ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
 414
 415 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 416                                  struct auto_pin_cfg *cfg,
 417                                  hda_nid_t *ignore_nids);
 418
 419 /* amp values */
 420 #define AMP_IN_MUTE(idx)        (0x7080 | ((idx)<<8))
 421 #define AMP_IN_UNMUTE(idx)      (0x7000 | ((idx)<<8))
 422 #define AMP_OUT_MUTE            0xb080
 423 #define AMP_OUT_UNMUTE          0xb000
 424 #define AMP_OUT_ZERO            0xb000
 425 /* pinctl values */
 426 #define PIN_IN                  (AC_PINCTL_IN_EN)
 427 #define PIN_VREFHIZ             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
 428 #define PIN_VREF50              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
 429 #define PIN_VREFGRD             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
 430 #define PIN_VREF80              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
 431 #define PIN_VREF100             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
 432 #define PIN_OUT                 (AC_PINCTL_OUT_EN)
 433 #define PIN_HP                  (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
 434 #define PIN_HP_AMP              (AC_PINCTL_HP_EN)
 435
 436 /*
 437  * get widget capabilities
 438  */
 439 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
 440 {
 441         if (nid < codec->start_nid ||
 442             nid >= codec->start_nid + codec->num_nodes)
 443                 return 0;
 444         return codec->wcaps[nid - codec->start_nid];
 445 }
 446
 447 /* get the widget type from widget capability bits */
 448 #define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
 449
 450 static inline unsigned int get_wcaps_channels(u32 wcaps)
 451 {
 452         unsigned int chans;
 453
 454         chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
 455         chans = ((chans << 1) | 1) + 1;
 456
 457         return chans;
 458 }
 459
 460 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 461 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 462                               unsigned int caps);
 463 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
 464 u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
 465 int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
 466
 467 struct hda_nid_item {
 468         struct snd_kcontrol *kctl;
 469         hda_nid_t nid;
 470 };
 471
 472 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
 473                     struct snd_kcontrol *kctl);
 474 void snd_hda_ctls_clear(struct hda_codec *codec);
 475
 476 /*
 477  * hwdep interface
 478  */
 479 #ifdef CONFIG_SND_HDA_HWDEP
 480 int snd_hda_create_hwdep(struct hda_codec *codec);
 481 #else
 482 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
 483 #endif
 484
 485 #if defined(CONFIG_SND_HDA_POWER_SAVE) && defined(CONFIG_SND_HDA_HWDEP)
 486 int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec);
 487 #else
 488 static inline int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec)
 489 {
 490         return 0;
 491 }
 492 #endif
 493
 494 #ifdef CONFIG_SND_HDA_RECONFIG
 495 int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
 496 #else
 497 static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
 498 {
 499         return 0;
 500 }
 501 #endif
 502
 503 #ifdef CONFIG_SND_HDA_RECONFIG
 504 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
 505 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
 506 #else
 507 static inline
 508 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
 509 {
 510         return NULL;
 511 }
 512
 513 static inline
 514 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
 515 {
 516         return -ENOENT;
 517 }
 518 #endif
 519
 520 /*
 521  * power-management
 522  */
 523
 524 #ifdef CONFIG_SND_HDA_POWER_SAVE
 525 void snd_hda_schedule_power_save(struct hda_codec *codec);
 526
 527 struct hda_amp_list {
 528         hda_nid_t nid;
 529         unsigned char dir;
 530         unsigned char idx;
 531 };
 532
 533 struct hda_loopback_check {
 534         struct hda_amp_list *amplist;
 535         int power_on;
 536 };
 537
 538 int snd_hda_check_amp_list_power(struct hda_codec *codec,
 539                                  struct hda_loopback_check *check,
 540                                  hda_nid_t nid);
 541 #endif /* CONFIG_SND_HDA_POWER_SAVE */
 542
 543 /*
 544  * AMP control callbacks
 545  */
 546 /* retrieve parameters from private_value */
 547 #define get_amp_nid_(pv)        ((pv) & 0xffff)
 548 #define get_amp_nid(kc)         get_amp_nid_((kc)->private_value)
 549 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 550 #define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
 551 #define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
 552 #define get_amp_offset(kc)      (((kc)->private_value >> 23) & 0x3f)
 553
 554 /*
 555  * CEA Short Audio Descriptor data
 556  */
 557 struct cea_sad {
 558         int     channels;
 559         int     format;         /* (format == 0) indicates invalid SAD */
 560         int     rates;
 561         int     sample_bits;    /* for LPCM */
 562         int     max_bitrate;    /* for AC3...ATRAC */
 563         int     profile;        /* for WMAPRO */
 564 };
 565
 566 #define ELD_FIXED_BYTES 20
 567 #define ELD_MAX_MNL     16
 568 #define ELD_MAX_SAD     16
 569
 570 /*
 571  * ELD: EDID Like Data
 572  */
 573 struct hdmi_eld {
 574         bool    monitor_present;
 575         bool    eld_valid;
 576         int     eld_size;
 577         int     baseline_len;
 578         int     eld_ver;
 579         int     cea_edid_ver;
 580         char    monitor_name[ELD_MAX_MNL + 1];
 581         int     manufacture_id;
 582         int     product_id;
 583         u64     port_id;
 584         int     support_hdcp;
 585         int     support_ai;
 586         int     conn_type;
 587         int     aud_synch_delay;
 588         int     spk_alloc;
 589         int     sad_count;
 590         struct cea_sad sad[ELD_MAX_SAD];
 591 #ifdef CONFIG_PROC_FS
 592         struct snd_info_entry *proc_entry;
 593 #endif
 594 };
 595
 596 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
 597 int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
 598 void snd_hdmi_show_eld(struct hdmi_eld *eld);
 599
 600 #ifdef CONFIG_PROC_FS
 601 int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
 602                          int index);
 603 void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
 604 #else
 605 static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
 606                                        struct hdmi_eld *eld,
 607                                        int index)
 608 {
 609         return 0;
 610 }
 611 static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
 612                                          struct hdmi_eld *eld)
 613 {
 614 }
 615 #endif
 616
 617 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
 618 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
 619
 620 #endif /* __SOUND_HDA_LOCAL_H */