sound/pci/hda/hda_local.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Universal Interface for Intel High Definition Audio Codec
   4  *
   5  * Local helper functions
   6  *
   7  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   8  */
   9
  10 #ifndef __SOUND_HDA_LOCAL_H
  11 #define __SOUND_HDA_LOCAL_H
  12
  13 /* We abuse kcontrol_new.subdev field to pass the NID corresponding to
  14  * the given new control.  If id.subdev has a bit flag HDA_SUBDEV_NID_FLAG,
  15  * snd_hda_ctl_add() takes the lower-bit subdev value as a valid NID.
  16  *
  17  * Note that the subdevice field is cleared again before the real registration
  18  * in snd_hda_ctl_add(), so that this value won't appear in the outside.
  19  */
  20 #define HDA_SUBDEV_NID_FLAG     (1U << 31)
  21 #define HDA_SUBDEV_AMP_FLAG     (1U << 30)
  22
  23 /*
  24  * for mixer controls
  25  */
  26 #define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs)            \
  27         ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
  28 #define HDA_AMP_VAL_MIN_MUTE (1<<29)
  29 #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
  30         HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
  31 /* mono volume with index (index=0,1,...) (channel=1,2) */
  32 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, dir, flags) \
  33         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx,  \
  34           .subdevice = HDA_SUBDEV_AMP_FLAG, \
  35           .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
  36                     SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
  37                     SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
  38           .info = snd_hda_mixer_amp_volume_info, \
  39           .get = snd_hda_mixer_amp_volume_get, \
  40           .put = snd_hda_mixer_amp_volume_put, \
  41           .tlv = { .c = snd_hda_mixer_amp_tlv },                \
  42           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, dir) | flags }
  43 /* stereo volume with index */
  44 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
  45         HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction, 0)
  46 /* mono volume */
  47 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
  48         HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction, 0)
  49 /* stereo volume */
  50 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
  51         HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
  52 /* stereo volume with min=mute */
  53 #define HDA_CODEC_VOLUME_MIN_MUTE(xname, nid, xindex, direction) \
  54         HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, 3, xindex, direction, \
  55                                   HDA_AMP_VAL_MIN_MUTE)
  56 /* mono mute switch with index (index=0,1,...) (channel=1,2) */
  57 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  58         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  59           .subdevice = HDA_SUBDEV_AMP_FLAG, \
  60           .info = snd_hda_mixer_amp_switch_info, \
  61           .get = snd_hda_mixer_amp_switch_get, \
  62           .put = snd_hda_mixer_amp_switch_put, \
  63           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  64 /* stereo mute switch with index */
  65 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
  66         HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
  67 /* mono mute switch */
  68 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
  69         HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  70 /* stereo mute switch */
  71 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
  72         HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
  73 #ifdef CONFIG_SND_HDA_INPUT_BEEP
  74 /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
  75 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
  76         { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
  77           .subdevice = HDA_SUBDEV_AMP_FLAG, \
  78           .info = snd_hda_mixer_amp_switch_info, \
  79           .get = snd_hda_mixer_amp_switch_get_beep, \
  80           .put = snd_hda_mixer_amp_switch_put_beep, \
  81           .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
  82 #else
  83 /* no digital beep - just the standard one */
  84 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
  85         HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
  86 #endif /* CONFIG_SND_HDA_INPUT_BEEP */
  87 /* special beep mono mute switch */
  88 #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
  89         HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
  90 /* special beep stereo mute switch */
  91 #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
  92         HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
  93
  94 extern const char *snd_hda_pcm_type_name[];
  95
  96 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
  97                                   struct snd_ctl_elem_info *uinfo);
  98 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
  99                                  struct snd_ctl_elem_value *ucontrol);
 100 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
 101                                  struct snd_ctl_elem_value *ucontrol);
 102 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 103                           unsigned int size, unsigned int __user *_tlv);
 104 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
 105                                   struct snd_ctl_elem_info *uinfo);
 106 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
 107                                  struct snd_ctl_elem_value *ucontrol);
 108 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
 109                                  struct snd_ctl_elem_value *ucontrol);
 110 #ifdef CONFIG_SND_HDA_INPUT_BEEP
 111 int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol,
 112                                       struct snd_ctl_elem_value *ucontrol);
 113 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
 114                                       struct snd_ctl_elem_value *ucontrol);
 115 #endif
 116 /* lowlevel accessor with caching; use carefully */
 117 #define snd_hda_codec_amp_read(codec, nid, ch, dir, idx) \
 118         snd_hdac_regmap_get_amp(&(codec)->core, nid, ch, dir, idx)
 119 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
 120                              int ch, int dir, int idx, int mask, int val);
 121 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
 122                              int direction, int idx, int mask, int val);
 123 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
 124                            int direction, int idx, int mask, int val);
 125 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
 126                                   int dir, int idx, int mask, int val);
 127 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
 128                              unsigned int *tlv);
 129 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
 130                                             const char *name);
 131 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 132                           unsigned int *tlv, const char * const *followers,
 133                           const char *suffix, bool init_follower_vol,
 134                           struct snd_kcontrol **ctl_ret);
 135 #define snd_hda_add_vmaster(codec, name, tlv, followers, suffix) \
 136         __snd_hda_add_vmaster(codec, name, tlv, followers, suffix, true, NULL)
 137 int snd_hda_codec_reset(struct hda_codec *codec);
 138 void snd_hda_codec_register(struct hda_codec *codec);
 139 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec);
 140
 141 #define snd_hda_regmap_sync(codec)      snd_hdac_regmap_sync(&(codec)->core)
 142
 143 enum {
 144         HDA_VMUTE_OFF,
 145         HDA_VMUTE_ON,
 146         HDA_VMUTE_FOLLOW_MASTER,
 147 };
 148
 149 struct hda_vmaster_mute_hook {
 150         /* below two fields must be filled by the caller of
 151          * snd_hda_add_vmaster_hook() beforehand
 152          */
 153         struct snd_kcontrol *sw_kctl;
 154         void (*hook)(void *, int);
 155         /* below are initialized automatically */
 156         unsigned int mute_mode; /* HDA_VMUTE_XXX */
 157         struct hda_codec *codec;
 158 };
 159
 160 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
 161                              struct hda_vmaster_mute_hook *hook,
 162                              bool expose_enum_ctl);
 163 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook);
 164
 165 /* amp value bits */
 166 #define HDA_AMP_MUTE    0x80
 167 #define HDA_AMP_UNMUTE  0x00
 168 #define HDA_AMP_VOLMASK 0x7f
 169
 170 /*
 171  * SPDIF I/O
 172  */
 173 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
 174                                 hda_nid_t associated_nid,
 175                                 hda_nid_t cvt_nid, int type);
 176 #define snd_hda_create_spdif_out_ctls(codec, anid, cnid) \
 177         snd_hda_create_dig_out_ctls(codec, anid, cnid, HDA_PCM_TYPE_SPDIF)
 178 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
 179
 180 /*
 181  * input MUX helper
 182  */
 183 #define HDA_MAX_NUM_INPUTS      16
 184 struct hda_input_mux_item {
 185         char label[32];
 186         unsigned int index;
 187 };
 188 struct hda_input_mux {
 189         unsigned int num_items;
 190         struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
 191 };
 192
 193 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
 194                            struct snd_ctl_elem_info *uinfo);
 195 int snd_hda_input_mux_put(struct hda_codec *codec,
 196                           const struct hda_input_mux *imux,
 197                           struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
 198                           unsigned int *cur_val);
 199 int snd_hda_add_imux_item(struct hda_codec *codec,
 200                           struct hda_input_mux *imux, const char *label,
 201                           int index, int *type_idx);
 202
 203 /*
 204  * Multi-channel / digital-out PCM helper
 205  */
 206
 207 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
 208 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
 209
 210 #define HDA_MAX_OUTS    5
 211
 212 struct hda_multi_out {
 213         int num_dacs;           /* # of DACs, must be more than 1 */
 214         const hda_nid_t *dac_nids;      /* DAC list */
 215         hda_nid_t hp_nid;       /* optional DAC for HP, 0 when not exists */
 216         hda_nid_t hp_out_nid[HDA_MAX_OUTS];     /* DACs for multiple HPs */
 217         hda_nid_t extra_out_nid[HDA_MAX_OUTS];  /* other (e.g. speaker) DACs */
 218         hda_nid_t dig_out_nid;  /* digital out audio widget */
 219         const hda_nid_t *follower_dig_outs;
 220         int max_channels;       /* currently supported analog channels */
 221         int dig_out_used;       /* current usage of digital out (HDA_DIG_XXX) */
 222         int no_share_stream;    /* don't share a stream with multiple pins */
 223         int share_spdif;        /* share SPDIF pin */
 224         /* PCM information for both analog and SPDIF DACs */
 225         unsigned int analog_rates;
 226         unsigned int analog_maxbps;
 227         u64 analog_formats;
 228         unsigned int spdif_rates;
 229         unsigned int spdif_maxbps;
 230         u64 spdif_formats;
 231 };
 232
 233 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
 234                                   struct hda_multi_out *mout);
 235 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
 236                                struct hda_multi_out *mout);
 237 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
 238                                 struct hda_multi_out *mout);
 239 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
 240                                   struct hda_multi_out *mout,
 241                                   unsigned int stream_tag,
 242                                   unsigned int format,
 243                                   struct snd_pcm_substream *substream);
 244 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
 245                                   struct hda_multi_out *mout);
 246 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
 247                                   struct hda_multi_out *mout,
 248                                   struct snd_pcm_substream *substream,
 249                                   struct hda_pcm_stream *hinfo);
 250 int snd_hda_multi_out_analog_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_analog_cleanup(struct hda_codec *codec,
 256                                      struct hda_multi_out *mout);
 257
 258 /*
 259  * generic proc interface
 260  */
 261 #ifdef CONFIG_SND_PROC_FS
 262 int snd_hda_codec_proc_new(struct hda_codec *codec);
 263 #else
 264 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
 265 #endif
 266
 267 #define SND_PRINT_BITS_ADVISED_BUFSIZE  16
 268 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
 269
 270 /*
 271  * Misc
 272  */
 273 int snd_hda_add_new_ctls(struct hda_codec *codec,
 274                          const struct snd_kcontrol_new *knew);
 275
 276 /*
 277  * Fix-up pin default configurations and add default verbs
 278  */
 279
 280 struct hda_pintbl {
 281         hda_nid_t nid;
 282         u32 val;
 283 };
 284
 285 struct hda_model_fixup {
 286         const int id;
 287         const char *name;
 288 };
 289
 290 struct hda_fixup {
 291         int type;
 292         bool chained:1;         /* call the chained fixup(s) after this */
 293         bool chained_before:1;  /* call the chained fixup(s) before this */
 294         int chain_id;
 295         union {
 296                 const struct hda_pintbl *pins;
 297                 const struct hda_verb *verbs;
 298                 void (*func)(struct hda_codec *codec,
 299                              const struct hda_fixup *fix,
 300                              int action);
 301         } v;
 302 };
 303
 304 struct snd_hda_pin_quirk {
 305         unsigned int codec;             /* Codec vendor/device ID */
 306         unsigned short subvendor;       /* PCI subvendor ID */
 307         const struct hda_pintbl *pins;  /* list of matching pins */
 308 #ifdef CONFIG_SND_DEBUG_VERBOSE
 309         const char *name;
 310 #endif
 311         int value;                      /* quirk value */
 312 };
 313
 314 #ifdef CONFIG_SND_DEBUG_VERBOSE
 315
 316 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
 317         { .codec = _codec,\
 318           .subvendor = _subvendor,\
 319           .name = _name,\
 320           .value = _value,\
 321           .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
 322         }
 323 #else
 324
 325 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
 326         { .codec = _codec,\
 327           .subvendor = _subvendor,\
 328           .value = _value,\
 329           .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
 330         }
 331
 332 #endif
 333
 334 #define HDA_FIXUP_ID_NOT_SET -1
 335 #define HDA_FIXUP_ID_NO_FIXUP -2
 336
 337 /* fixup types */
 338 enum {
 339         HDA_FIXUP_INVALID,
 340         HDA_FIXUP_PINS,
 341         HDA_FIXUP_VERBS,
 342         HDA_FIXUP_FUNC,
 343         HDA_FIXUP_PINCTLS,
 344 };
 345
 346 /* fixup action definitions */
 347 enum {
 348         HDA_FIXUP_ACT_PRE_PROBE,
 349         HDA_FIXUP_ACT_PROBE,
 350         HDA_FIXUP_ACT_INIT,
 351         HDA_FIXUP_ACT_BUILD,
 352         HDA_FIXUP_ACT_FREE,
 353 };
 354
 355 int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list);
 356 void snd_hda_apply_verbs(struct hda_codec *codec);
 357 void snd_hda_apply_pincfgs(struct hda_codec *codec,
 358                            const struct hda_pintbl *cfg);
 359 void snd_hda_apply_fixup(struct hda_codec *codec, int action);
 360 void snd_hda_pick_fixup(struct hda_codec *codec,
 361                         const struct hda_model_fixup *models,
 362                         const struct snd_pci_quirk *quirk,
 363                         const struct hda_fixup *fixlist);
 364 void snd_hda_pick_pin_fixup(struct hda_codec *codec,
 365                             const struct snd_hda_pin_quirk *pin_quirk,
 366                             const struct hda_fixup *fixlist,
 367                             bool match_all_pins);
 368
 369 /* helper macros to retrieve pin default-config values */
 370 #define get_defcfg_connect(cfg) \
 371         ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
 372 #define get_defcfg_association(cfg) \
 373         ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
 374 #define get_defcfg_location(cfg) \
 375         ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
 376 #define get_defcfg_sequence(cfg) \
 377         (cfg & AC_DEFCFG_SEQUENCE)
 378 #define get_defcfg_device(cfg) \
 379         ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
 380 #define get_defcfg_misc(cfg) \
 381         ((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT)
 382
 383 /* amp values */
 384 #define AMP_IN_MUTE(idx)        (0x7080 | ((idx)<<8))
 385 #define AMP_IN_UNMUTE(idx)      (0x7000 | ((idx)<<8))
 386 #define AMP_OUT_MUTE            0xb080
 387 #define AMP_OUT_UNMUTE          0xb000
 388 #define AMP_OUT_ZERO            0xb000
 389 /* pinctl values */
 390 #define PIN_IN                  (AC_PINCTL_IN_EN)
 391 #define PIN_VREFHIZ             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
 392 #define PIN_VREF50              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
 393 #define PIN_VREFGRD             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
 394 #define PIN_VREF80              (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
 395 #define PIN_VREF100             (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
 396 #define PIN_OUT                 (AC_PINCTL_OUT_EN)
 397 #define PIN_HP                  (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
 398 #define PIN_HP_AMP              (AC_PINCTL_HP_EN)
 399
 400 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin);
 401 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
 402                                      hda_nid_t pin, unsigned int val);
 403 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
 404                          unsigned int val, bool cached);
 405
 406 /**
 407  * _snd_hda_set_pin_ctl - Set a pin-control value safely
 408  * @codec: the codec instance
 409  * @pin: the pin NID to set the control
 410  * @val: the pin-control value (AC_PINCTL_* bits)
 411  *
 412  * This function sets the pin-control value to the given pin, but
 413  * filters out the invalid pin-control bits when the pin has no such
 414  * capabilities.  For example, when PIN_HP is passed but the pin has no
 415  * HP-drive capability, the HP bit is omitted.
 416  *
 417  * The function doesn't check the input VREF capability bits, though.
 418  * Use snd_hda_get_default_vref() to guess the right value.
 419  * Also, this function is only for analog pins, not for HDMI pins.
 420  */
 421 static inline int
 422 snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val)
 423 {
 424         return _snd_hda_set_pin_ctl(codec, pin, val, false);
 425 }
 426
 427 /**
 428  * snd_hda_set_pin_ctl_cache - Set a pin-control value safely
 429  * @codec: the codec instance
 430  * @pin: the pin NID to set the control
 431  * @val: the pin-control value (AC_PINCTL_* bits)
 432  *
 433  * Just like snd_hda_set_pin_ctl() but write to cache as well.
 434  */
 435 static inline int
 436 snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin,
 437                           unsigned int val)
 438 {
 439         return _snd_hda_set_pin_ctl(codec, pin, val, true);
 440 }
 441
 442 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid);
 443 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
 444                                  unsigned int val);
 445
 446 #define for_each_hda_codec_node(nid, codec) \
 447         for ((nid) = (codec)->core.start_nid; (nid) < (codec)->core.end_nid; (nid)++)
 448
 449 /*
 450  * get widget capabilities
 451  */
 452 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
 453 {
 454         if (nid < codec->core.start_nid ||
 455             nid >= codec->core.start_nid + codec->core.num_nodes)
 456                 return 0;
 457         return codec->wcaps[nid - codec->core.start_nid];
 458 }
 459
 460 /* get the widget type from widget capability bits */
 461 static inline int get_wcaps_type(unsigned int wcaps)
 462 {
 463         if (!wcaps)
 464                 return -1; /* invalid type */
 465         return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 466 }
 467
 468 static inline unsigned int get_wcaps_channels(u32 wcaps)
 469 {
 470         unsigned int chans;
 471
 472         chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
 473         chans = ((chans << 1) | 1) + 1;
 474
 475         return chans;
 476 }
 477
 478 static inline void snd_hda_override_wcaps(struct hda_codec *codec,
 479                                           hda_nid_t nid, u32 val)
 480 {
 481         if (nid >= codec->core.start_nid &&
 482             nid < codec->core.start_nid + codec->core.num_nodes)
 483                 codec->wcaps[nid - codec->core.start_nid] = val;
 484 }
 485
 486 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
 487 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
 488                               unsigned int caps);
 489 /**
 490  * snd_hda_query_pin_caps - Query PIN capabilities
 491  * @codec: the HD-auio codec
 492  * @nid: the NID to query
 493  *
 494  * Query PIN capabilities for the given widget.
 495  * Returns the obtained capability bits.
 496  *
 497  * When cap bits have been already read, this doesn't read again but
 498  * returns the cached value.
 499  */
 500 static inline u32
 501 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
 502 {
 503         return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 504
 505 }
 506
 507 /**
 508  * snd_hda_override_pin_caps - Override the pin capabilities
 509  * @codec: the CODEC
 510  * @nid: the NID to override
 511  * @caps: the capability bits to set
 512  *
 513  * Override the cached PIN capabilitiy bits value by the given one.
 514  *
 515  * Returns zero if successful or a negative error code.
 516  */
 517 static inline int
 518 snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
 519                           unsigned int caps)
 520 {
 521         return snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, caps);
 522 }
 523
 524 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
 525                            int dir, unsigned int bits);
 526
 527 #define nid_has_mute(codec, nid, dir) \
 528         snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
 529 #define nid_has_volume(codec, nid, dir) \
 530         snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
 531
 532
 533 /* flags for hda_nid_item */
 534 #define HDA_NID_ITEM_AMP        (1<<0)
 535
 536 struct hda_nid_item {
 537         struct snd_kcontrol *kctl;
 538         unsigned int index;
 539         hda_nid_t nid;
 540         unsigned short flags;
 541 };
 542
 543 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
 544                     struct snd_kcontrol *kctl);
 545 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
 546                     unsigned int index, hda_nid_t nid);
 547 void snd_hda_ctls_clear(struct hda_codec *codec);
 548
 549 /*
 550  * hwdep interface
 551  */
 552 #ifdef CONFIG_SND_HDA_HWDEP
 553 int snd_hda_create_hwdep(struct hda_codec *codec);
 554 #else
 555 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
 556 #endif
 557
 558 void snd_hda_sysfs_init(struct hda_codec *codec);
 559 void snd_hda_sysfs_clear(struct hda_codec *codec);
 560
 561 extern const struct attribute_group *snd_hda_dev_attr_groups[];
 562
 563 #ifdef CONFIG_SND_HDA_RECONFIG
 564 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
 565 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
 566 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp);
 567 #else
 568 static inline
 569 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
 570 {
 571         return NULL;
 572 }
 573
 574 static inline
 575 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
 576 {
 577         return -ENOENT;
 578 }
 579
 580 static inline
 581 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp)
 582 {
 583         return -ENOENT;
 584 }
 585 #endif
 586
 587 /*
 588  * power-management
 589  */
 590
 591 void snd_hda_schedule_power_save(struct hda_codec *codec);
 592
 593 struct hda_amp_list {
 594         hda_nid_t nid;
 595         unsigned char dir;
 596         unsigned char idx;
 597 };
 598
 599 struct hda_loopback_check {
 600         const struct hda_amp_list *amplist;
 601         int power_on;
 602 };
 603
 604 int snd_hda_check_amp_list_power(struct hda_codec *codec,
 605                                  struct hda_loopback_check *check,
 606                                  hda_nid_t nid);
 607
 608 /* check whether the actual power state matches with the target state */
 609 static inline bool
 610 snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid,
 611                           unsigned int target_state)
 612 {
 613         return snd_hdac_check_power_state(&codec->core, nid, target_state);
 614 }
 615
 616 static inline unsigned int snd_hda_sync_power_state(struct hda_codec *codec,
 617                                                     hda_nid_t nid,
 618                                                     unsigned int target_state)
 619 {
 620         return snd_hdac_sync_power_state(&codec->core, nid, target_state);
 621 }
 622 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
 623                                              hda_nid_t nid,
 624                                              unsigned int power_state);
 625
 626 /*
 627  * AMP control callbacks
 628  */
 629 /* retrieve parameters from private_value */
 630 #define get_amp_nid_(pv)        ((pv) & 0xffff)
 631 #define get_amp_nid(kc)         get_amp_nid_((kc)->private_value)
 632 #define get_amp_channels(kc)    (((kc)->private_value >> 16) & 0x3)
 633 #define get_amp_direction_(pv)  (((pv) >> 18) & 0x1)
 634 #define get_amp_direction(kc)   get_amp_direction_((kc)->private_value)
 635 #define get_amp_index_(pv)      (((pv) >> 19) & 0xf)
 636 #define get_amp_index(kc)       get_amp_index_((kc)->private_value)
 637 #define get_amp_offset(kc)      (((kc)->private_value >> 23) & 0x3f)
 638 #define get_amp_min_mute(kc)    (((kc)->private_value >> 29) & 0x1)
 639
 640 /*
 641  * enum control helper
 642  */
 643 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
 644                              struct snd_ctl_elem_info *uinfo,
 645                              int num_items, const char * const *texts);
 646 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \
 647         snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL)
 648
 649 /*
 650  * CEA Short Audio Descriptor data
 651  */
 652 struct cea_sad {
 653         int     channels;
 654         int     format;         /* (format == 0) indicates invalid SAD */
 655         int     rates;
 656         int     sample_bits;    /* for LPCM */
 657         int     max_bitrate;    /* for AC3...ATRAC */
 658         int     profile;        /* for WMAPRO */
 659 };
 660
 661 #define ELD_FIXED_BYTES 20
 662 #define ELD_MAX_SIZE    256
 663 #define ELD_MAX_MNL     16
 664 #define ELD_MAX_SAD     16
 665
 666 /*
 667  * ELD: EDID Like Data
 668  */
 669 struct parsed_hdmi_eld {
 670         /*
 671          * all fields will be cleared before updating ELD
 672          */
 673         int     baseline_len;
 674         int     eld_ver;
 675         int     cea_edid_ver;
 676         char    monitor_name[ELD_MAX_MNL + 1];
 677         int     manufacture_id;
 678         int     product_id;
 679         u64     port_id;
 680         int     support_hdcp;
 681         int     support_ai;
 682         int     conn_type;
 683         int     aud_synch_delay;
 684         int     spk_alloc;
 685         int     sad_count;
 686         struct cea_sad sad[ELD_MAX_SAD];
 687 };
 688
 689 struct hdmi_eld {
 690         bool    monitor_present;
 691         bool    eld_valid;
 692         int     eld_size;
 693         char    eld_buffer[ELD_MAX_SIZE];
 694         struct parsed_hdmi_eld info;
 695 };
 696
 697 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
 698 int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid,
 699                      unsigned char *buf, int *eld_size);
 700 int snd_hdmi_parse_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e,
 701                        const unsigned char *buf, int size);
 702 void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e);
 703 void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e,
 704                               struct hda_pcm_stream *hinfo);
 705
 706 int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid,
 707                          unsigned char *buf, int *eld_size,
 708                          bool rev3_or_later);
 709
 710 #ifdef CONFIG_SND_PROC_FS
 711 void snd_hdmi_print_eld_info(struct hdmi_eld *eld,
 712                              struct snd_info_buffer *buffer);
 713 void snd_hdmi_write_eld_info(struct hdmi_eld *eld,
 714                              struct snd_info_buffer *buffer);
 715 #endif
 716
 717 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
 718 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
 719
 720 /*
 721  */
 722 #define codec_err(codec, fmt, args...) \
 723         dev_err(hda_codec_dev(codec), fmt, ##args)
 724 #define codec_warn(codec, fmt, args...) \
 725         dev_warn(hda_codec_dev(codec), fmt, ##args)
 726 #define codec_info(codec, fmt, args...) \
 727         dev_info(hda_codec_dev(codec), fmt, ##args)
 728 #define codec_dbg(codec, fmt, args...) \
 729         dev_dbg(hda_codec_dev(codec), fmt, ##args)
 730
 731 #endif /* __SOUND_HDA_LOCAL_H */