release/src-rt-6.x.4708/linux/linux-2.6.36/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 #define HDA_SUBDEV_AMP_FLAG     (1U << 30)
  35
  36 /*
  37  * for mixer controls
  38  */
  39 #define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs)            \
  40         ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
  41 #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
  42         HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
  43 /* mono volume with index (index=0,1,...) (channel=1,2) */
  44 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  45         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx,  \
  46           .subdevice = HDA_SUBDEV_AMP_FLAG, \
  47           .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
  48                     SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  49                     SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
  50           .info = snd_hda_mixer_amp_volume_info, \
  51           .get = snd_hda_mixer_amp_volume_get, \
  52           .put = snd_hda_mixer_amp_volume_put, \
  53           .tlv = { .c = snd_hda_mixer_amp_tlv },                \
  54           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  55 /* stereo volume with index */
  56 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
  57         HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  58 /* mono volume */
  59 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
  60         HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  61 /* stereo volume */
  62 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
  63         HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
  64 /* mono mute switch with index (index=0,1,...) (channel=1,2) */
  65 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  66         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  67           .subdevice = HDA_SUBDEV_AMP_FLAG, \
  68           .info = snd_hda_mixer_amp_switch_info, \
  69           .get = snd_hda_mixer_amp_switch_get, \
  70           .put = snd_hda_mixer_amp_switch_put, \
  71           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  72 /* stereo mute switch with index */
  73 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
  74         HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  75 /* mono mute switch */
  76 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
  77         HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  78 /* stereo mute switch */
  79 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
  80         HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
  81 #ifdef CONFIG_SND_HDA_INPUT_BEEP
  82 /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
  83 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  84         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  85           .subdevice = HDA_SUBDEV_AMP_FLAG, \
  86           .info = snd_hda_mixer_amp_switch_info, \
  87           .get = snd_hda_mixer_amp_switch_get, \
  88           .put = snd_hda_mixer_amp_switch_put_beep, \
  89           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  90 #else
  91 /* no digital beep - just the standard one */
  92 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
  93         HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
  94 #endif /* CONFIG_SND_HDA_INPUT_BEEP */
  95 /* special beep mono mute switch */
  96 #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
  97         HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  98 /* special beep stereo mute switch */
  99 #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
 100         HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
 101
 102 extern const char *snd_hda_pcm_type_name[];
 103
 104 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
 105                                   struct snd_ctl_elem_info *uinfo);
 106 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
 107                                  struct snd_ctl_elem_value *ucontrol);
 108 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
 109                                  struct snd_ctl_elem_value *ucontrol);
 110 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 111                           unsigned int size, unsigned int __user *tlv);
 112 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
 113                                   struct snd_ctl_elem_info *uinfo);
 114 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
 115                                  struct snd_ctl_elem_value *ucontrol);
 116 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
 117                                  struct snd_ctl_elem_value *ucontrol);
 118 #ifdef CONFIG_SND_HDA_INPUT_BEEP
 119 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
 120                                       struct snd_ctl_elem_value *ucontrol);
 121 #endif
 122 /* lowlevel accessor with caching; use carefully */
 123 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
 124                            int direction, int index);
 125 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
 126                              int direction, int idx, int mask, int val);
 127 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 128                              int dir, int idx, int mask, int val);
 129 #ifdef SND_HDA_NEEDS_RESUME
 130 void snd_hda_codec_resume_amp(struct hda_codec *codec);
 131 #endif
 132
 133 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
 134                              unsigned int *tlv);
 135 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
 136                                             const char *name);
 137 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 138                         unsigned int *tlv, const char **slaves);
 139 int snd_hda_codec_reset(struct hda_codec *codec);
 140
 141 /* amp value bits */
 142 #define HDA_AMP_MUTE    0x80
 143 #define HDA_AMP_UNMUTE  0x00
 144 #define HDA_AMP_VOLMASK 0x7f
 145
 146 /* mono switch binding multiple inputs */
 147 #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
 148         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
 149           .info = snd_hda_mixer_amp_switch_info, \
 150           .get = snd_hda_mixer_bind_switch_get, \
 151           .put = snd_hda_mixer_bind_switch_put, \
 152           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
 153
 154 /* stereo switch binding multiple inputs */
 155 #define HDA_BIND_MUTE(xname,nid,indices,dir) \
 156         HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
 157
 158 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
 159                                   struct snd_ctl_elem_value *ucontrol);
 160 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
 161                                   struct snd_ctl_elem_value *ucontrol);
 162
 163 /* more generic bound controls */
 164 struct hda_ctl_ops {
 165         snd_kcontrol_info_t *info;
 166         snd_kcontrol_get_t *get;
 167         snd_kcontrol_put_t *put;
 168         snd_kcontrol_tlv_rw_t *tlv;
 169 };
 170
 171 extern struct hda_ctl_ops snd_hda_bind_vol;     /* for bind-volume with TLV */
 172 extern struct hda_ctl_ops snd_hda_bind_sw;      /* for bind-switch */
 173
 174 struct hda_bind_ctls {
 175         struct hda_ctl_ops *ops;
 176         unsigned long values[];
 177 };
 178
 179 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
 180                                  struct snd_ctl_elem_info *uinfo);
 181 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
 182                                 struct snd_ctl_elem_value *ucontrol);
 183 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
 184                                 struct snd_ctl_elem_value *ucontrol);
 185 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 186                            unsigned int size, unsigned int __user *tlv);
 187
 188 #define HDA_BIND_VOL(xname, bindrec) \
 189         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 190           .name = xname, \
 191           .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
 192                           SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 193                           SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
 194           .info = snd_hda_mixer_bind_ctls_info,\
 195           .get =  snd_hda_mixer_bind_ctls_get,\
 196           .put = snd_hda_mixer_bind_ctls_put,\
 197           .tlv = { .c = snd_hda_mixer_bind_tlv },\
 198           .private_value = (long) (bindrec) }
 199 #define HDA_BIND_SW(xname, bindrec) \
 200         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 201           .name = xname, \
 202           .info = snd_hda_mixer_bind_ctls_info,\
 203           .get =  snd_hda_mixer_bind_ctls_get,\
 204           .put = snd_hda_mixer_bind_ctls_put,\
 205           .private_value = (long) (bindrec) }
 206
 207 /*
 208  * SPDIF I/O
 209  */
 210 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
 211 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
 212
 213 /*
 214  * input MUX helper
 215  */
 216 #define HDA_MAX_NUM_INPUTS      16
 217 struct hda_input_mux_item {
 218         const char *label;
 219         unsigned int index;
 220 };
 221 struct hda_input_mux {
 222         unsigned int num_items;
 223         struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
 224 };
 225
 226 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
 227                            struct snd_ctl_elem_info *uinfo);
 228 int snd_hda_input_mux_put(struct hda_codec *codec,
 229                           const struct hda_input_mux *imux,
 230                           struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
 231                           unsigned int *cur_val);
 232
 233 /*
 234  * Channel mode helper
 235  */
 236 struct hda_channel_mode {
 237         int channels;
 238         const struct hda_verb *sequence;
 239 };
 240
 241 int snd_hda_ch_mode_info(struct hda_codec *codec,
 242                          struct snd_ctl_elem_info *uinfo,
 243                          const struct hda_channel_mode *chmode,
 244                          int num_chmodes);
 245 int snd_hda_ch_mode_get(struct hda_codec *codec,
 246                         struct snd_ctl_elem_value *ucontrol,
 247                         const struct hda_channel_mode *chmode,
 248                         int num_chmodes,
 249                         int max_channels);
 250 int snd_hda_ch_mode_put(struct hda_codec *codec,
 251                         struct snd_ctl_elem_value *ucontrol,
 252                         const struct hda_channel_mode *chmode,
 253                         int num_chmodes,
 254                         int *max_channelsp);
 255
 256 /*
 257  * Multi-channel / digital-out PCM helper
 258  */
 259
 260 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
 261 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
 262
 263 struct hda_multi_out {
 264         int num_dacs;           /* # of DACs, must be more than 1 */
 265         hda_nid_t *dac_nids;    /* DAC list */
 266         hda_nid_t hp_nid;       /* optional DAC for HP, 0 when not exists */
 267         hda_nid_t extra_out_nid[3];     /* optional DACs, 0 when not exists */
 268         hda_nid_t dig_out_nid;  /* digital out audio widget */
 269         hda_nid_t *slave_dig_outs;
 270         int max_channels;       /* currently supported analog channels */
 271         int dig_out_used;       /* current usage of digital out (HDA_DIG_XXX) */
 272         int no_share_stream;    /* don't share a stream with multiple pins */
 273         int share_spdif;        /* share SPDIF pin */
 274         /* PCM information for both analog and SPDIF DACs */
 275         unsigned int analog_rates;
 276         unsigned int analog_maxbps;
 277         u64 analog_formats;
 278         unsigned int spdif_rates;
 279         unsigned int spdif_maxbps;
 280         u64 spdif_formats;
 281 };
 282
 283 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
 284                                   struct hda_multi_out *mout);
 285 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
 286                                struct hda_multi_out *mout);
 287 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
 288                                 struct hda_multi_out *mout);
 289 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
 290                                   struct hda_multi_out *mout,
 291                                   unsigned int stream_tag,
 292                                   unsigned int format,
 293                                   struct snd_pcm_substream *substream);
 294 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
 295                                   struct hda_multi_out *mout);
 296 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
 297                                   struct hda_multi_out *mout,
 298                                   struct snd_pcm_substream *substream,
 299                                   struct hda_pcm_stream *hinfo);
 300 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
 301                                      struct hda_multi_out *mout,
 302                                      unsigned int stream_tag,
 303                                      unsigned int format,
 304                                      struct snd_pcm_substream *substream);
 305 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
 306                                      struct hda_multi_out *mout);
 307
 308 /*
 309  * generic codec parser
 310  */
 311 #ifdef CONFIG_SND_HDA_GENERIC
 312 int snd_hda_parse_generic_codec(struct hda_codec *codec);
 313 #else
 314 static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
 315 {
 316         return -ENODEV;
 317 }
 318 #endif
 319
 320 /*
 321  * generic proc interface
 322  */
 323 #ifdef CONFIG_PROC_FS
 324 int snd_hda_codec_proc_new(struct hda_codec *codec);
 325 #else
 326 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
 327 #endif
 328
 329 #define SND_PRINT_RATES_ADVISED_BUFSIZE 80
 330 void snd_print_pcm_rates(int pcm, char *buf, int buflen);
 331
 332 #define SND_PRINT_BITS_ADVISED_BUFSIZE  16
 333 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
 334
 335 /*
 336  * Misc
 337  */
 338 int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
 339                                const char **modelnames,
 340                                const struct snd_pci_quirk *pci_list);
 341 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
 342                                int num_configs, const char **models,
 343                                const struct snd_pci_quirk *tbl);
 344 int snd_hda_add_new_ctls(struct hda_codec *codec,
 345                          struct snd_kcontrol_new *knew);
 346
 347 /*
 348  * unsolicited event handler
 349  */
 350
 351 #define HDA_UNSOL_QUEUE_SIZE    64
 352
 353 struct hda_bus_unsolicited {
 354         /* ring buffer */
 355         u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
 356         unsigned int rp, wp;
 357
 358         /* workqueue */
 359         struct work_struct work;
 360         struct hda_bus *bus;
 361 };
 362
 363 /*
 364  * Helper for automatic pin configuration
 365  */
 366
 367 enum {
 368         AUTO_PIN_MIC,
 369         AUTO_PIN_FRONT_MIC,
 370         AUTO_PIN_LINE,
 371         AUTO_PIN_FRONT_LINE,
 372         AUTO_PIN_CD,
 373         AUTO_PIN_AUX,
 374         AUTO_PIN_LAST
 375 };
 376
 377 enum {
 378         AUTO_PIN_LINE_OUT,
 379         AUTO_PIN_SPEAKER_OUT,
 380         AUTO_PIN_HP_OUT
 381 };
 382
 383 extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
 384
 385 #define AUTO_CFG_MAX_OUTS       5
 386
 387 struct auto_pin_cfg {
 388         int line_outs;
 389         /* sorted in the order of Front/Surr/CLFE/Side */
 390         hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
 391         int speaker_outs;
 392         hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
 393         int hp_outs;
 394         int line_out_type;      /* AUTO_PIN_XXX_OUT */
 395         hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
 396         hda_nid_t input_pins[AUTO_PIN_LAST];
 397         int dig_outs;
 398         hda_nid_t dig_out_pins[2];
 399         hda_nid_t dig_in_pin;
 400         hda_nid_t mono_out_pin;
 401         int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
 402         int dig_in_type; /* HDA_PCM_TYPE_XXX */
 403 };
 404
 405 #define get_defcfg_connect(cfg) \
 406         ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
 407 #define get_defcfg_association(cfg) \
 408         ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
 409 #define get_defcfg_location(cfg) \
 410         ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
 411 #define get_defcfg_sequence(cfg) \
 412         (cfg & AC_DEFCFG_SEQUENCE)
 413 #define get_defcfg_device(cfg) \
 414         ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
 415
 416 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 417                                  struct auto_pin_cfg *cfg,
 418                                  hda_nid_t *ignore_nids);
 419
 420 /* amp values */
 421 #define AMP_IN_MUTE(idx)        (0x7080 | ((idx)<<8))
 422 #define AMP_IN_UNMUTE(idx)      (0x7000 | ((idx)<<8))
 423 #define AMP_OUT_MUTE            0xb080
 424 #define AMP_OUT_UNMUTE          0xb000
 425 #define AMP_OUT_ZERO            0xb000
 426 /* pinctl values */
 427 #define PIN_IN                  (AC_PINCTL_IN_EN)
 428 #define PIN_VREFHIZ             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
 429 #define PIN_VREF50              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
 430 #define PIN_VREFGRD             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
 431 #define PIN_VREF80              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
 432 #define PIN_VREF100             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
 433 #define PIN_OUT                 (AC_PINCTL_OUT_EN)
 434 #define PIN_HP                  (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
 435 #define PIN_HP_AMP              (AC_PINCTL_HP_EN)
 436
 437 /*
 438  * get widget capabilities
 439  */
 440 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
 441 {
 442         if (nid < codec->start_nid ||
 443             nid >= codec->start_nid + codec->num_nodes)
 444                 return 0;
 445         return codec->wcaps[nid - codec->start_nid];
 446 }
 447
 448 /* get the widget type from widget capability bits */
 449 #define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
 450
 451 static inline unsigned int get_wcaps_channels(u32 wcaps)
 452 {
 453         unsigned int chans;
 454
 455         chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
 456         chans = ((chans << 1) | 1) + 1;
 457
 458         return chans;
 459 }
 460
 461 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 462 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 463                               unsigned int caps);
 464 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
 465 u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
 466 int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
 467
 468 /* flags for hda_nid_item */
 469 #define HDA_NID_ITEM_AMP        (1<<0)
 470
 471 struct hda_nid_item {
 472         struct snd_kcontrol *kctl;
 473         unsigned int index;
 474         hda_nid_t nid;
 475         unsigned short flags;
 476 };
 477
 478 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
 479                     struct snd_kcontrol *kctl);
 480 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
 481                     unsigned int index, hda_nid_t nid);
 482 void snd_hda_ctls_clear(struct hda_codec *codec);
 483
 484 /*
 485  * hwdep interface
 486  */
 487 #ifdef CONFIG_SND_HDA_HWDEP
 488 int snd_hda_create_hwdep(struct hda_codec *codec);
 489 #else
 490 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
 491 #endif
 492
 493 #if defined(CONFIG_SND_HDA_POWER_SAVE) && defined(CONFIG_SND_HDA_HWDEP)
 494 int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec);
 495 #else
 496 static inline int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec)
 497 {
 498         return 0;
 499 }
 500 #endif
 501
 502 #ifdef CONFIG_SND_HDA_RECONFIG
 503 int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
 504 #else
 505 static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
 506 {
 507         return 0;
 508 }
 509 #endif
 510
 511 #ifdef CONFIG_SND_HDA_RECONFIG
 512 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
 513 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
 514 #else
 515 static inline
 516 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
 517 {
 518         return NULL;
 519 }
 520
 521 static inline
 522 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
 523 {
 524         return -ENOENT;
 525 }
 526 #endif
 527
 528 /*
 529  * power-management
 530  */
 531
 532 #ifdef CONFIG_SND_HDA_POWER_SAVE
 533 void snd_hda_schedule_power_save(struct hda_codec *codec);
 534
 535 struct hda_amp_list {
 536         hda_nid_t nid;
 537         unsigned char dir;
 538         unsigned char idx;
 539 };
 540
 541 struct hda_loopback_check {
 542         struct hda_amp_list *amplist;
 543         int power_on;
 544 };
 545
 546 int snd_hda_check_amp_list_power(struct hda_codec *codec,
 547                                  struct hda_loopback_check *check,
 548                                  hda_nid_t nid);
 549 #endif /* CONFIG_SND_HDA_POWER_SAVE */
 550
 551 /*
 552  * AMP control callbacks
 553  */
 554 /* retrieve parameters from private_value */
 555 #define get_amp_nid_(pv)        ((pv) & 0xffff)
 556 #define get_amp_nid(kc)         get_amp_nid_((kc)->private_value)
 557 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 558 #define get_amp_direction(kc)   (((kc)->private_value >> 18) & 0x1)
 559 #define get_amp_index(kc)       (((kc)->private_value >> 19) & 0xf)
 560 #define get_amp_offset(kc)      (((kc)->private_value >> 23) & 0x3f)
 561
 562 /*
 563  * CEA Short Audio Descriptor data
 564  */
 565 struct cea_sad {
 566         int     channels;
 567         int     format;         /* (format == 0) indicates invalid SAD */
 568         int     rates;
 569         int     sample_bits;    /* for LPCM */
 570         int     max_bitrate;    /* for AC3...ATRAC */
 571         int     profile;        /* for WMAPRO */
 572 };
 573
 574 #define ELD_FIXED_BYTES 20
 575 #define ELD_MAX_MNL     16
 576 #define ELD_MAX_SAD     16
 577
 578 /*
 579  * ELD: EDID Like Data
 580  */
 581 struct hdmi_eld {
 582         bool    monitor_present;
 583         bool    eld_valid;
 584         int     eld_size;
 585         int     baseline_len;
 586         int     eld_ver;
 587         int     cea_edid_ver;
 588         char    monitor_name[ELD_MAX_MNL + 1];
 589         int     manufacture_id;
 590         int     product_id;
 591         u64     port_id;
 592         int     support_hdcp;
 593         int     support_ai;
 594         int     conn_type;
 595         int     aud_synch_delay;
 596         int     spk_alloc;
 597         int     sad_count;
 598         struct cea_sad sad[ELD_MAX_SAD];
 599 #ifdef CONFIG_PROC_FS
 600         struct snd_info_entry *proc_entry;
 601 #endif
 602 };
 603
 604 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
 605 int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
 606 void snd_hdmi_show_eld(struct hdmi_eld *eld);
 607 void hdmi_eld_update_pcm_info(struct hdmi_eld *eld, struct hda_pcm_stream *pcm,
 608                               struct hda_pcm_stream *codec_pars);
 609
 610 #ifdef CONFIG_PROC_FS
 611 int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
 612                          int index);
 613 void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
 614 #else
 615 static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
 616                                        struct hdmi_eld *eld,
 617                                        int index)
 618 {
 619         return 0;
 620 }
 621 static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
 622                                          struct hdmi_eld *eld)
 623 {
 624 }
 625 #endif
 626
 627 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
 628 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
 629
 630 #endif /* __SOUND_HDA_LOCAL_H */