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 dir, 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_index_ret); 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_entries, 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 */ 732