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_AMP_VAL_MIN_MUTE (1<<29)
  42 #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
  43         HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
  44 /* mono volume with index (index=0,1,...) (channel=1,2) */
  45 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, dir, flags) \
  46         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx,  \
  47           .subdevice = HDA_SUBDEV_AMP_FLAG, \
  48           .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
  49                     SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  50                     SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
  51           .info = snd_hda_mixer_amp_volume_info, \
  52           .get = snd_hda_mixer_amp_volume_get, \
  53           .put = snd_hda_mixer_amp_volume_put, \
  54           .tlv = { .c = snd_hda_mixer_amp_tlv },                \
  55           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, dir) | flags }
  56 /* stereo volume with index */
  57 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
  58         HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction, 0)
  59 /* mono volume */
  60 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
  61         HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction, 0)
  62 /* stereo volume */
  63 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
  64         HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
  65 /* stereo volume with min=mute */
  66 #define HDA_CODEC_VOLUME_MIN_MUTE(xname, nid, xindex, direction) \
  67         HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, 3, xindex, direction, \
  68                                   HDA_AMP_VAL_MIN_MUTE)
  69 /* mono mute switch with index (index=0,1,...) (channel=1,2) */
  70 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  71         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  72           .subdevice = HDA_SUBDEV_AMP_FLAG, \
  73           .info = snd_hda_mixer_amp_switch_info, \
  74           .get = snd_hda_mixer_amp_switch_get, \
  75           .put = snd_hda_mixer_amp_switch_put, \
  76           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  77 /* stereo mute switch with index */
  78 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
  79         HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  80 /* mono mute switch */
  81 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
  82         HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  83 /* stereo mute switch */
  84 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
  85         HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
  86 #ifdef CONFIG_SND_HDA_INPUT_BEEP
  87 /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
  88 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  89         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  90           .subdevice = HDA_SUBDEV_AMP_FLAG, \
  91           .info = snd_hda_mixer_amp_switch_info, \
  92           .get = snd_hda_mixer_amp_switch_get_beep, \
  93           .put = snd_hda_mixer_amp_switch_put_beep, \
  94           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  95 #else
  96 /* no digital beep - just the standard one */
  97 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
  98         HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
  99 #endif /* CONFIG_SND_HDA_INPUT_BEEP */
 100 /* special beep mono mute switch */
 101 #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
 102         HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
 103 /* special beep stereo mute switch */
 104 #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
 105         HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
 106
 107 extern const char *snd_hda_pcm_type_name[];
 108
 109 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
 110                                   struct snd_ctl_elem_info *uinfo);
 111 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
 112                                  struct snd_ctl_elem_value *ucontrol);
 113 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
 114                                  struct snd_ctl_elem_value *ucontrol);
 115 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 116                           unsigned int size, unsigned int __user *tlv);
 117 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
 118                                   struct snd_ctl_elem_info *uinfo);
 119 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
 120                                  struct snd_ctl_elem_value *ucontrol);
 121 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
 122                                  struct snd_ctl_elem_value *ucontrol);
 123 #ifdef CONFIG_SND_HDA_INPUT_BEEP
 124 int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol,
 125                                       struct snd_ctl_elem_value *ucontrol);
 126 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
 127                                       struct snd_ctl_elem_value *ucontrol);
 128 #endif
 129 /* lowlevel accessor with caching; use carefully */
 130 #define snd_hda_codec_amp_read(codec, nid, ch, dir, idx) \
 131         snd_hdac_regmap_get_amp(&(codec)->core, nid, ch, dir, idx)
 132 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
 133                              int ch, int dir, int idx, int mask, int val);
 134 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 135                              int dir, int idx, int mask, int val);
 136 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
 137                            int direction, int idx, int mask, int val);
 138 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
 139                                   int dir, int idx, int mask, int val);
 140 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
 141                              unsigned int *tlv);
 142 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
 143                                             const char *name);
 144 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 145                           unsigned int *tlv, const char * const *slaves,
 146                           const char *suffix, bool init_slave_vol,
 147                           struct snd_kcontrol **ctl_ret);
 148 #define snd_hda_add_vmaster(codec, name, tlv, slaves, suffix) \
 149         __snd_hda_add_vmaster(codec, name, tlv, slaves, suffix, true, NULL)
 150 int snd_hda_codec_reset(struct hda_codec *codec);
 151 void snd_hda_codec_register(struct hda_codec *codec);
 152 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec);
 153
 154 enum {
 155         HDA_VMUTE_OFF,
 156         HDA_VMUTE_ON,
 157         HDA_VMUTE_FOLLOW_MASTER,
 158 };
 159
 160 struct hda_vmaster_mute_hook {
 161         /* below two fields must be filled by the caller of
 162          * snd_hda_add_vmaster_hook() beforehand
 163          */
 164         struct snd_kcontrol *sw_kctl;
 165         void (*hook)(void *, int);
 166         /* below are initialized automatically */
 167         unsigned int mute_mode; /* HDA_VMUTE_XXX */
 168         struct hda_codec *codec;
 169 };
 170
 171 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
 172                              struct hda_vmaster_mute_hook *hook,
 173                              bool expose_enum_ctl);
 174 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook);
 175
 176 /* amp value bits */
 177 #define HDA_AMP_MUTE    0x80
 178 #define HDA_AMP_UNMUTE  0x00
 179 #define HDA_AMP_VOLMASK 0x7f
 180
 181 /*
 182  * SPDIF I/O
 183  */
 184 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
 185                                 hda_nid_t associated_nid,
 186                                 hda_nid_t cvt_nid, int type);
 187 #define snd_hda_create_spdif_out_ctls(codec, anid, cnid) \
 188         snd_hda_create_dig_out_ctls(codec, anid, cnid, HDA_PCM_TYPE_SPDIF)
 189 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
 190
 191 /*
 192  * input MUX helper
 193  */
 194 #define HDA_MAX_NUM_INPUTS      16
 195 struct hda_input_mux_item {
 196         char label[32];
 197         unsigned int index;
 198 };
 199 struct hda_input_mux {
 200         unsigned int num_items;
 201         struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
 202 };
 203
 204 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
 205                            struct snd_ctl_elem_info *uinfo);
 206 int snd_hda_input_mux_put(struct hda_codec *codec,
 207                           const struct hda_input_mux *imux,
 208                           struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
 209                           unsigned int *cur_val);
 210 int snd_hda_add_imux_item(struct hda_codec *codec,
 211                           struct hda_input_mux *imux, const char *label,
 212                           int index, int *type_index_ret);
 213
 214 /*
 215  * Multi-channel / digital-out PCM helper
 216  */
 217
 218 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
 219 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
 220
 221 #define HDA_MAX_OUTS    5
 222
 223 struct hda_multi_out {
 224         int num_dacs;           /* # of DACs, must be more than 1 */
 225         const hda_nid_t *dac_nids;      /* DAC list */
 226         hda_nid_t hp_nid;       /* optional DAC for HP, 0 when not exists */
 227         hda_nid_t hp_out_nid[HDA_MAX_OUTS];     /* DACs for multiple HPs */
 228         hda_nid_t extra_out_nid[HDA_MAX_OUTS];  /* other (e.g. speaker) DACs */
 229         hda_nid_t dig_out_nid;  /* digital out audio widget */
 230         const hda_nid_t *slave_dig_outs;
 231         int max_channels;       /* currently supported analog channels */
 232         int dig_out_used;       /* current usage of digital out (HDA_DIG_XXX) */
 233         int no_share_stream;    /* don't share a stream with multiple pins */
 234         int share_spdif;        /* share SPDIF pin */
 235         /* PCM information for both analog and SPDIF DACs */
 236         unsigned int analog_rates;
 237         unsigned int analog_maxbps;
 238         u64 analog_formats;
 239         unsigned int spdif_rates;
 240         unsigned int spdif_maxbps;
 241         u64 spdif_formats;
 242 };
 243
 244 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
 245                                   struct hda_multi_out *mout);
 246 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
 247                                struct hda_multi_out *mout);
 248 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
 249                                 struct hda_multi_out *mout);
 250 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
 251                                   struct hda_multi_out *mout,
 252                                   unsigned int stream_tag,
 253                                   unsigned int format,
 254                                   struct snd_pcm_substream *substream);
 255 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
 256                                   struct hda_multi_out *mout);
 257 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
 258                                   struct hda_multi_out *mout,
 259                                   struct snd_pcm_substream *substream,
 260                                   struct hda_pcm_stream *hinfo);
 261 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
 262                                      struct hda_multi_out *mout,
 263                                      unsigned int stream_tag,
 264                                      unsigned int format,
 265                                      struct snd_pcm_substream *substream);
 266 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
 267                                      struct hda_multi_out *mout);
 268
 269 /*
 270  * generic proc interface
 271  */
 272 #ifdef CONFIG_SND_PROC_FS
 273 int snd_hda_codec_proc_new(struct hda_codec *codec);
 274 #else
 275 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
 276 #endif
 277
 278 #define SND_PRINT_BITS_ADVISED_BUFSIZE  16
 279 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
 280
 281 /*
 282  * Misc
 283  */
 284 int snd_hda_add_new_ctls(struct hda_codec *codec,
 285                          const struct snd_kcontrol_new *knew);
 286
 287 /*
 288  * Fix-up pin default configurations and add default verbs
 289  */
 290
 291 struct hda_pintbl {
 292         hda_nid_t nid;
 293         u32 val;
 294 };
 295
 296 struct hda_model_fixup {
 297         const int id;
 298         const char *name;
 299 };
 300
 301 struct hda_fixup {
 302         int type;
 303         bool chained:1;         /* call the chained fixup(s) after this */
 304         bool chained_before:1;  /* call the chained fixup(s) before this */
 305         int chain_id;
 306         union {
 307                 const struct hda_pintbl *pins;
 308                 const struct hda_verb *verbs;
 309                 void (*func)(struct hda_codec *codec,
 310                              const struct hda_fixup *fix,
 311                              int action);
 312         } v;
 313 };
 314
 315 struct snd_hda_pin_quirk {
 316         unsigned int codec;             /* Codec vendor/device ID */
 317         unsigned short subvendor;       /* PCI subvendor ID */
 318         const struct hda_pintbl *pins;  /* list of matching pins */
 319 #ifdef CONFIG_SND_DEBUG_VERBOSE
 320         const char *name;
 321 #endif
 322         int value;                      /* quirk value */
 323 };
 324
 325 #ifdef CONFIG_SND_DEBUG_VERBOSE
 326
 327 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
 328         { .codec = _codec,\
 329           .subvendor = _subvendor,\
 330           .name = _name,\
 331           .value = _value,\
 332           .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
 333         }
 334 #else
 335
 336 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
 337         { .codec = _codec,\
 338           .subvendor = _subvendor,\
 339           .value = _value,\
 340           .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
 341         }
 342
 343 #endif
 344
 345 #define HDA_FIXUP_ID_NOT_SET -1
 346 #define HDA_FIXUP_ID_NO_FIXUP -2
 347
 348 /* fixup types */
 349 enum {
 350         HDA_FIXUP_INVALID,
 351         HDA_FIXUP_PINS,
 352         HDA_FIXUP_VERBS,
 353         HDA_FIXUP_FUNC,
 354         HDA_FIXUP_PINCTLS,
 355 };
 356
 357 /* fixup action definitions */
 358 enum {
 359         HDA_FIXUP_ACT_PRE_PROBE,
 360         HDA_FIXUP_ACT_PROBE,
 361         HDA_FIXUP_ACT_INIT,
 362         HDA_FIXUP_ACT_BUILD,
 363         HDA_FIXUP_ACT_FREE,
 364 };
 365
 366 int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list);
 367 void snd_hda_apply_verbs(struct hda_codec *codec);
 368 void snd_hda_apply_pincfgs(struct hda_codec *codec,
 369                            const struct hda_pintbl *cfg);
 370 void snd_hda_apply_fixup(struct hda_codec *codec, int action);
 371 void snd_hda_pick_fixup(struct hda_codec *codec,
 372                         const struct hda_model_fixup *models,
 373                         const struct snd_pci_quirk *quirk,
 374                         const struct hda_fixup *fixlist);
 375 void snd_hda_pick_pin_fixup(struct hda_codec *codec,
 376                             const struct snd_hda_pin_quirk *pin_quirk,
 377                             const struct hda_fixup *fixlist);
 378
 379 /* helper macros to retrieve pin default-config values */
 380 #define get_defcfg_connect(cfg) \
 381         ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
 382 #define get_defcfg_association(cfg) \
 383         ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
 384 #define get_defcfg_location(cfg) \
 385         ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
 386 #define get_defcfg_sequence(cfg) \
 387         (cfg & AC_DEFCFG_SEQUENCE)
 388 #define get_defcfg_device(cfg) \
 389         ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
 390 #define get_defcfg_misc(cfg) \
 391         ((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT)
 392
 393 /* amp values */
 394 #define AMP_IN_MUTE(idx)        (0x7080 | ((idx)<<8))
 395 #define AMP_IN_UNMUTE(idx)      (0x7000 | ((idx)<<8))
 396 #define AMP_OUT_MUTE            0xb080
 397 #define AMP_OUT_UNMUTE          0xb000
 398 #define AMP_OUT_ZERO            0xb000
 399 /* pinctl values */
 400 #define PIN_IN                  (AC_PINCTL_IN_EN)
 401 #define PIN_VREFHIZ             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
 402 #define PIN_VREF50              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
 403 #define PIN_VREFGRD             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
 404 #define PIN_VREF80              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
 405 #define PIN_VREF100             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
 406 #define PIN_OUT                 (AC_PINCTL_OUT_EN)
 407 #define PIN_HP                  (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
 408 #define PIN_HP_AMP              (AC_PINCTL_HP_EN)
 409
 410 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin);
 411 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
 412                                      hda_nid_t pin, unsigned int val);
 413 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
 414                          unsigned int val, bool cached);
 415
 416 /**
 417  * _snd_hda_set_pin_ctl - Set a pin-control value safely
 418  * @codec: the codec instance
 419  * @pin: the pin NID to set the control
 420  * @val: the pin-control value (AC_PINCTL_* bits)
 421  *
 422  * This function sets the pin-control value to the given pin, but
 423  * filters out the invalid pin-control bits when the pin has no such
 424  * capabilities.  For example, when PIN_HP is passed but the pin has no
 425  * HP-drive capability, the HP bit is omitted.
 426  *
 427  * The function doesn't check the input VREF capability bits, though.
 428  * Use snd_hda_get_default_vref() to guess the right value.
 429  * Also, this function is only for analog pins, not for HDMI pins.
 430  */
 431 static inline int
 432 snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val)
 433 {
 434         return _snd_hda_set_pin_ctl(codec, pin, val, false);
 435 }
 436
 437 /**
 438  * snd_hda_set_pin_ctl_cache - Set a pin-control value safely
 439  * @codec: the codec instance
 440  * @pin: the pin NID to set the control
 441  * @val: the pin-control value (AC_PINCTL_* bits)
 442  *
 443  * Just like snd_hda_set_pin_ctl() but write to cache as well.
 444  */
 445 static inline int
 446 snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin,
 447                           unsigned int val)
 448 {
 449         return _snd_hda_set_pin_ctl(codec, pin, val, true);
 450 }
 451
 452 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid);
 453 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
 454                                  unsigned int val);
 455
 456 #define for_each_hda_codec_node(nid, codec) \
 457         for ((nid) = (codec)->core.start_nid; (nid) < (codec)->core.end_nid; (nid)++)
 458
 459 /*
 460  * get widget capabilities
 461  */
 462 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
 463 {
 464         if (nid < codec->core.start_nid ||
 465             nid >= codec->core.start_nid + codec->core.num_nodes)
 466                 return 0;
 467         return codec->wcaps[nid - codec->core.start_nid];
 468 }
 469
 470 /* get the widget type from widget capability bits */
 471 static inline int get_wcaps_type(unsigned int wcaps)
 472 {
 473         if (!wcaps)
 474                 return -1; /* invalid type */
 475         return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 476 }
 477
 478 static inline unsigned int get_wcaps_channels(u32 wcaps)
 479 {
 480         unsigned int chans;
 481
 482         chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
 483         chans = ((chans << 1) | 1) + 1;
 484
 485         return chans;
 486 }
 487
 488 static inline void snd_hda_override_wcaps(struct hda_codec *codec,
 489                                           hda_nid_t nid, u32 val)
 490 {
 491         if (nid >= codec->core.start_nid &&
 492             nid < codec->core.start_nid + codec->core.num_nodes)
 493                 codec->wcaps[nid - codec->core.start_nid] = val;
 494 }
 495
 496 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 497 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 498                               unsigned int caps);
 499 /**
 500  * snd_hda_query_pin_caps - Query PIN capabilities
 501  * @codec: the HD-auio codec
 502  * @nid: the NID to query
 503  *
 504  * Query PIN capabilities for the given widget.
 505  * Returns the obtained capability bits.
 506  *
 507  * When cap bits have been already read, this doesn't read again but
 508  * returns the cached value.
 509  */
 510 static inline u32
 511 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
 512 {
 513         return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 514
 515 }
 516
 517 /**
 518  * snd_hda_override_pin_caps - Override the pin capabilities
 519  * @codec: the CODEC
 520  * @nid: the NID to override
 521  * @caps: the capability bits to set
 522  *
 523  * Override the cached PIN capabilitiy bits value by the given one.
 524  *
 525  * Returns zero if successful or a negative error code.
 526  */
 527 static inline int
 528 snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
 529                           unsigned int caps)
 530 {
 531         return snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, caps);
 532 }
 533
 534 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
 535                            int dir, unsigned int bits);
 536
 537 #define nid_has_mute(codec, nid, dir) \
 538         snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
 539 #define nid_has_volume(codec, nid, dir) \
 540         snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
 541
 542
 543 /* flags for hda_nid_item */
 544 #define HDA_NID_ITEM_AMP        (1<<0)
 545
 546 struct hda_nid_item {
 547         struct snd_kcontrol *kctl;
 548         unsigned int index;
 549         hda_nid_t nid;
 550         unsigned short flags;
 551 };
 552
 553 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
 554                     struct snd_kcontrol *kctl);
 555 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
 556                     unsigned int index, hda_nid_t nid);
 557 void snd_hda_ctls_clear(struct hda_codec *codec);
 558
 559 /*
 560  * hwdep interface
 561  */
 562 #ifdef CONFIG_SND_HDA_HWDEP
 563 int snd_hda_create_hwdep(struct hda_codec *codec);
 564 #else
 565 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
 566 #endif
 567
 568 void snd_hda_sysfs_init(struct hda_codec *codec);
 569 void snd_hda_sysfs_clear(struct hda_codec *codec);
 570
 571 extern const struct attribute_group *snd_hda_dev_attr_groups[];
 572
 573 #ifdef CONFIG_SND_HDA_RECONFIG
 574 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
 575 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
 576 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp);
 577 #else
 578 static inline
 579 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
 580 {
 581         return NULL;
 582 }
 583
 584 static inline
 585 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
 586 {
 587         return -ENOENT;
 588 }
 589
 590 static inline
 591 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp)
 592 {
 593         return -ENOENT;
 594 }
 595 #endif
 596
 597 /*
 598  * power-management
 599  */
 600
 601 void snd_hda_schedule_power_save(struct hda_codec *codec);
 602
 603 struct hda_amp_list {
 604         hda_nid_t nid;
 605         unsigned char dir;
 606         unsigned char idx;
 607 };
 608
 609 struct hda_loopback_check {
 610         const struct hda_amp_list *amplist;
 611         int power_on;
 612 };
 613
 614 int snd_hda_check_amp_list_power(struct hda_codec *codec,
 615                                  struct hda_loopback_check *check,
 616                                  hda_nid_t nid);
 617
 618 /* check whether the actual power state matches with the target state */
 619 static inline bool
 620 snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid,
 621                           unsigned int target_state)
 622 {
 623         return snd_hdac_check_power_state(&codec->core, nid, target_state);
 624 }
 625
 626 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
 627                                              hda_nid_t nid,
 628                                              unsigned int power_state);
 629
 630 /*
 631  * AMP control callbacks
 632  */
 633 /* retrieve parameters from private_value */
 634 #define get_amp_nid_(pv)        ((pv) & 0xffff)
 635 #define get_amp_nid(kc)         get_amp_nid_((kc)->private_value)
 636 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 637 #define get_amp_direction_(pv)  (((pv) >> 18) & 0x1)
 638 #define get_amp_direction(kc)   get_amp_direction_((kc)->private_value)
 639 #define get_amp_index_(pv)      (((pv) >> 19) & 0xf)
 640 #define get_amp_index(kc)       get_amp_index_((kc)->private_value)
 641 #define get_amp_offset(kc)      (((kc)->private_value >> 23) & 0x3f)
 642 #define get_amp_min_mute(kc)    (((kc)->private_value >> 29) & 0x1)
 643
 644 /*
 645  * enum control helper
 646  */
 647 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
 648                              struct snd_ctl_elem_info *uinfo,
 649                              int num_entries, const char * const *texts);
 650 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \
 651         snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL)
 652
 653 /*
 654  * CEA Short Audio Descriptor data
 655  */
 656 struct cea_sad {
 657         int     channels;
 658         int     format;         /* (format == 0) indicates invalid SAD */
 659         int     rates;
 660         int     sample_bits;    /* for LPCM */
 661         int     max_bitrate;    /* for AC3...ATRAC */
 662         int     profile;        /* for WMAPRO */
 663 };
 664
 665 #define ELD_FIXED_BYTES 20
 666 #define ELD_MAX_SIZE    256
 667 #define ELD_MAX_MNL     16
 668 #define ELD_MAX_SAD     16
 669
 670 /*
 671  * ELD: EDID Like Data
 672  */
 673 struct parsed_hdmi_eld {
 674         /*
 675          * all fields will be cleared before updating ELD
 676          */
 677         int     baseline_len;
 678         int     eld_ver;
 679         int     cea_edid_ver;
 680         char    monitor_name[ELD_MAX_MNL + 1];
 681         int     manufacture_id;
 682         int     product_id;
 683         u64     port_id;
 684         int     support_hdcp;
 685         int     support_ai;
 686         int     conn_type;
 687         int     aud_synch_delay;
 688         int     spk_alloc;
 689         int     sad_count;
 690         struct cea_sad sad[ELD_MAX_SAD];
 691 };
 692
 693 struct hdmi_eld {
 694         bool    monitor_present;
 695         bool    eld_valid;
 696         int     eld_size;
 697         char    eld_buffer[ELD_MAX_SIZE];
 698         struct parsed_hdmi_eld info;
 699 };
 700
 701 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
 702 int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid,
 703                      unsigned char *buf, int *eld_size);
 704 int snd_hdmi_parse_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e,
 705                        const unsigned char *buf, int size);
 706 void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e);
 707 void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e,
 708                               struct hda_pcm_stream *hinfo);
 709
 710 int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid,
 711                          unsigned char *buf, int *eld_size,
 712                          bool rev3_or_later);
 713
 714 #ifdef CONFIG_SND_PROC_FS
 715 void snd_hdmi_print_eld_info(struct hdmi_eld *eld,
 716                              struct snd_info_buffer *buffer);
 717 void snd_hdmi_write_eld_info(struct hdmi_eld *eld,
 718                              struct snd_info_buffer *buffer);
 719 #endif
 720
 721 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
 722 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
 723
 724 /*
 725  */
 726 #define codec_err(codec, fmt, args...) \
 727         dev_err(hda_codec_dev(codec), fmt, ##args)
 728 #define codec_warn(codec, fmt, args...) \
 729         dev_warn(hda_codec_dev(codec), fmt, ##args)
 730 #define codec_info(codec, fmt, args...) \
 731         dev_info(hda_codec_dev(codec), fmt, ##args)
 732 #define codec_dbg(codec, fmt, args...) \
 733         dev_dbg(hda_codec_dev(codec), fmt, ##args)
 734
 735 #endif /* __SOUND_HDA_LOCAL_H */