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 unsigned int access, struct snd_kcontrol **ctl_ret); 135 #define snd_hda_add_vmaster(codec, name, tlv, followers, suffix, access) \ 136 __snd_hda_add_vmaster(codec, name, tlv, followers, suffix, true, access, 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 struct hda_vmaster_mute_hook { 144 /* below two fields must be filled by the caller of 145 * snd_hda_add_vmaster_hook() beforehand 146 */ 147 struct snd_kcontrol *sw_kctl; 148 void (*hook)(void *, int); 149 /* below are initialized automatically */ 150 struct hda_codec *codec; 151 }; 152 153 int snd_hda_add_vmaster_hook(struct hda_codec *codec, 154 struct hda_vmaster_mute_hook *hook); 155 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook); 156 157 /* amp value bits */ 158 #define HDA_AMP_MUTE 0x80 159 #define HDA_AMP_UNMUTE 0x00 160 #define HDA_AMP_VOLMASK 0x7f 161 162 /* 163 * SPDIF I/O 164 */ 165 int snd_hda_create_dig_out_ctls(struct hda_codec *codec, 166 hda_nid_t associated_nid, 167 hda_nid_t cvt_nid, int type); 168 #define snd_hda_create_spdif_out_ctls(codec, anid, cnid) \ 169 snd_hda_create_dig_out_ctls(codec, anid, cnid, HDA_PCM_TYPE_SPDIF) 170 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid); 171 172 /* 173 * input MUX helper 174 */ 175 #define HDA_MAX_NUM_INPUTS 36 176 struct hda_input_mux_item { 177 char label[32]; 178 unsigned int index; 179 }; 180 struct hda_input_mux { 181 unsigned int num_items; 182 struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS]; 183 }; 184 185 int snd_hda_input_mux_info(const struct hda_input_mux *imux, 186 struct snd_ctl_elem_info *uinfo); 187 int snd_hda_input_mux_put(struct hda_codec *codec, 188 const struct hda_input_mux *imux, 189 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid, 190 unsigned int *cur_val); 191 int snd_hda_add_imux_item(struct hda_codec *codec, 192 struct hda_input_mux *imux, const char *label, 193 int index, int *type_idx); 194 195 /* 196 * Multi-channel / digital-out PCM helper 197 */ 198 199 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */ 200 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */ 201 202 #define HDA_MAX_OUTS 5 203 204 struct hda_multi_out { 205 int num_dacs; /* # of DACs, must be more than 1 */ 206 const hda_nid_t *dac_nids; /* DAC list */ 207 hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */ 208 hda_nid_t hp_out_nid[HDA_MAX_OUTS]; /* DACs for multiple HPs */ 209 hda_nid_t extra_out_nid[HDA_MAX_OUTS]; /* other (e.g. speaker) DACs */ 210 hda_nid_t dig_out_nid; /* digital out audio widget */ 211 const hda_nid_t *follower_dig_outs; 212 int max_channels; /* currently supported analog channels */ 213 int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */ 214 int no_share_stream; /* don't share a stream with multiple pins */ 215 int share_spdif; /* share SPDIF pin */ 216 /* PCM information for both analog and SPDIF DACs */ 217 unsigned int analog_rates; 218 unsigned int analog_maxbps; 219 u64 analog_formats; 220 unsigned int spdif_rates; 221 unsigned int spdif_maxbps; 222 u64 spdif_formats; 223 }; 224 225 int snd_hda_create_spdif_share_sw(struct hda_codec *codec, 226 struct hda_multi_out *mout); 227 int snd_hda_multi_out_dig_open(struct hda_codec *codec, 228 struct hda_multi_out *mout); 229 int snd_hda_multi_out_dig_close(struct hda_codec *codec, 230 struct hda_multi_out *mout); 231 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec, 232 struct hda_multi_out *mout, 233 unsigned int stream_tag, 234 unsigned int format, 235 struct snd_pcm_substream *substream); 236 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec, 237 struct hda_multi_out *mout); 238 int snd_hda_multi_out_analog_open(struct hda_codec *codec, 239 struct hda_multi_out *mout, 240 struct snd_pcm_substream *substream, 241 struct hda_pcm_stream *hinfo); 242 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, 243 struct hda_multi_out *mout, 244 unsigned int stream_tag, 245 unsigned int format, 246 struct snd_pcm_substream *substream); 247 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, 248 struct hda_multi_out *mout); 249 250 /* 251 * generic proc interface 252 */ 253 #ifdef CONFIG_SND_PROC_FS 254 int snd_hda_codec_proc_new(struct hda_codec *codec); 255 #else 256 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; } 257 #endif 258 259 #define SND_PRINT_BITS_ADVISED_BUFSIZE 16 260 void snd_print_pcm_bits(int pcm, char *buf, int buflen); 261 262 /* 263 * Misc 264 */ 265 int snd_hda_add_new_ctls(struct hda_codec *codec, 266 const struct snd_kcontrol_new *knew); 267 268 /* 269 * Fix-up pin default configurations and add default verbs 270 */ 271 272 struct hda_pintbl { 273 hda_nid_t nid; 274 u32 val; 275 }; 276 277 struct hda_model_fixup { 278 const int id; 279 const char *name; 280 }; 281 282 struct hda_fixup { 283 int type; 284 bool chained:1; /* call the chained fixup(s) after this */ 285 bool chained_before:1; /* call the chained fixup(s) before this */ 286 int chain_id; 287 union { 288 const struct hda_pintbl *pins; 289 const struct hda_verb *verbs; 290 void (*func)(struct hda_codec *codec, 291 const struct hda_fixup *fix, 292 int action); 293 } v; 294 }; 295 296 struct snd_hda_pin_quirk { 297 unsigned int codec; /* Codec vendor/device ID */ 298 unsigned short subvendor; /* PCI subvendor ID */ 299 const struct hda_pintbl *pins; /* list of matching pins */ 300 #ifdef CONFIG_SND_DEBUG_VERBOSE 301 const char *name; 302 #endif 303 int value; /* quirk value */ 304 }; 305 306 #ifdef CONFIG_SND_DEBUG_VERBOSE 307 308 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \ 309 { .codec = _codec,\ 310 .subvendor = _subvendor,\ 311 .name = _name,\ 312 .value = _value,\ 313 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \ 314 } 315 #else 316 317 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \ 318 { .codec = _codec,\ 319 .subvendor = _subvendor,\ 320 .value = _value,\ 321 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \ 322 } 323 324 #endif 325 326 #define HDA_FIXUP_ID_NOT_SET -1 327 #define HDA_FIXUP_ID_NO_FIXUP -2 328 329 /* fixup types */ 330 enum { 331 HDA_FIXUP_INVALID, 332 HDA_FIXUP_PINS, 333 HDA_FIXUP_VERBS, 334 HDA_FIXUP_FUNC, 335 HDA_FIXUP_PINCTLS, 336 }; 337 338 /* fixup action definitions */ 339 enum { 340 HDA_FIXUP_ACT_PRE_PROBE, 341 HDA_FIXUP_ACT_PROBE, 342 HDA_FIXUP_ACT_INIT, 343 HDA_FIXUP_ACT_BUILD, 344 HDA_FIXUP_ACT_FREE, 345 }; 346 347 int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list); 348 void snd_hda_apply_verbs(struct hda_codec *codec); 349 void snd_hda_apply_pincfgs(struct hda_codec *codec, 350 const struct hda_pintbl *cfg); 351 void snd_hda_apply_fixup(struct hda_codec *codec, int action); 352 void snd_hda_pick_fixup(struct hda_codec *codec, 353 const struct hda_model_fixup *models, 354 const struct snd_pci_quirk *quirk, 355 const struct hda_fixup *fixlist); 356 void snd_hda_pick_pin_fixup(struct hda_codec *codec, 357 const struct snd_hda_pin_quirk *pin_quirk, 358 const struct hda_fixup *fixlist, 359 bool match_all_pins); 360 361 /* helper macros to retrieve pin default-config values */ 362 #define get_defcfg_connect(cfg) \ 363 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT) 364 #define get_defcfg_association(cfg) \ 365 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT) 366 #define get_defcfg_location(cfg) \ 367 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT) 368 #define get_defcfg_sequence(cfg) \ 369 (cfg & AC_DEFCFG_SEQUENCE) 370 #define get_defcfg_device(cfg) \ 371 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT) 372 #define get_defcfg_misc(cfg) \ 373 ((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) 374 375 /* amp values */ 376 #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8)) 377 #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8)) 378 #define AMP_OUT_MUTE 0xb080 379 #define AMP_OUT_UNMUTE 0xb000 380 #define AMP_OUT_ZERO 0xb000 381 /* pinctl values */ 382 #define PIN_IN (AC_PINCTL_IN_EN) 383 #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ) 384 #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50) 385 #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD) 386 #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80) 387 #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100) 388 #define PIN_OUT (AC_PINCTL_OUT_EN) 389 #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN) 390 #define PIN_HP_AMP (AC_PINCTL_HP_EN) 391 392 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin); 393 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec, 394 hda_nid_t pin, unsigned int val); 395 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, 396 unsigned int val, bool cached); 397 398 /** 399 * _snd_hda_set_pin_ctl - Set a pin-control value safely 400 * @codec: the codec instance 401 * @pin: the pin NID to set the control 402 * @val: the pin-control value (AC_PINCTL_* bits) 403 * 404 * This function sets the pin-control value to the given pin, but 405 * filters out the invalid pin-control bits when the pin has no such 406 * capabilities. For example, when PIN_HP is passed but the pin has no 407 * HP-drive capability, the HP bit is omitted. 408 * 409 * The function doesn't check the input VREF capability bits, though. 410 * Use snd_hda_get_default_vref() to guess the right value. 411 * Also, this function is only for analog pins, not for HDMI pins. 412 */ 413 static inline int 414 snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val) 415 { 416 return _snd_hda_set_pin_ctl(codec, pin, val, false); 417 } 418 419 /** 420 * snd_hda_set_pin_ctl_cache - Set a pin-control value safely 421 * @codec: the codec instance 422 * @pin: the pin NID to set the control 423 * @val: the pin-control value (AC_PINCTL_* bits) 424 * 425 * Just like snd_hda_set_pin_ctl() but write to cache as well. 426 */ 427 static inline int 428 snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin, 429 unsigned int val) 430 { 431 return _snd_hda_set_pin_ctl(codec, pin, val, true); 432 } 433 434 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid); 435 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid, 436 unsigned int val); 437 438 #define for_each_hda_codec_node(nid, codec) \ 439 for ((nid) = (codec)->core.start_nid; (nid) < (codec)->core.end_nid; (nid)++) 440 441 /* 442 * get widget capabilities 443 */ 444 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid) 445 { 446 if (nid < codec->core.start_nid || 447 nid >= codec->core.start_nid + codec->core.num_nodes) 448 return 0; 449 return codec->wcaps[nid - codec->core.start_nid]; 450 } 451 452 /* get the widget type from widget capability bits */ 453 static inline int get_wcaps_type(unsigned int wcaps) 454 { 455 if (!wcaps) 456 return -1; /* invalid type */ 457 return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; 458 } 459 460 static inline unsigned int get_wcaps_channels(u32 wcaps) 461 { 462 unsigned int chans; 463 464 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13; 465 chans = ((chans << 1) | 1) + 1; 466 467 return chans; 468 } 469 470 static inline void snd_hda_override_wcaps(struct hda_codec *codec, 471 hda_nid_t nid, u32 val) 472 { 473 if (nid >= codec->core.start_nid && 474 nid < codec->core.start_nid + codec->core.num_nodes) 475 codec->wcaps[nid - codec->core.start_nid] = val; 476 } 477 478 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction); 479 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, 480 unsigned int caps); 481 /** 482 * snd_hda_query_pin_caps - Query PIN capabilities 483 * @codec: the HD-auio codec 484 * @nid: the NID to query 485 * 486 * Query PIN capabilities for the given widget. 487 * Returns the obtained capability bits. 488 * 489 * When cap bits have been already read, this doesn't read again but 490 * returns the cached value. 491 */ 492 static inline u32 493 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid) 494 { 495 return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); 496 497 } 498 499 /** 500 * snd_hda_override_pin_caps - Override the pin capabilities 501 * @codec: the CODEC 502 * @nid: the NID to override 503 * @caps: the capability bits to set 504 * 505 * Override the cached PIN capabilitiy bits value by the given one. 506 * 507 * Returns zero if successful or a negative error code. 508 */ 509 static inline int 510 snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid, 511 unsigned int caps) 512 { 513 return snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, caps); 514 } 515 516 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid, 517 int dir, unsigned int bits); 518 519 #define nid_has_mute(codec, nid, dir) \ 520 snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) 521 #define nid_has_volume(codec, nid, dir) \ 522 snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS) 523 524 525 /* flags for hda_nid_item */ 526 #define HDA_NID_ITEM_AMP (1<<0) 527 528 struct hda_nid_item { 529 struct snd_kcontrol *kctl; 530 unsigned int index; 531 hda_nid_t nid; 532 unsigned short flags; 533 }; 534 535 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid, 536 struct snd_kcontrol *kctl); 537 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl, 538 unsigned int index, hda_nid_t nid); 539 void snd_hda_ctls_clear(struct hda_codec *codec); 540 541 /* 542 * hwdep interface 543 */ 544 #ifdef CONFIG_SND_HDA_HWDEP 545 int snd_hda_create_hwdep(struct hda_codec *codec); 546 #else 547 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; } 548 #endif 549 550 void snd_hda_sysfs_init(struct hda_codec *codec); 551 void snd_hda_sysfs_clear(struct hda_codec *codec); 552 553 extern const struct attribute_group *snd_hda_dev_attr_groups[]; 554 555 #ifdef CONFIG_SND_HDA_RECONFIG 556 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key); 557 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key); 558 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp); 559 #else 560 static inline 561 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key) 562 { 563 return NULL; 564 } 565 566 static inline 567 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key) 568 { 569 return -ENOENT; 570 } 571 572 static inline 573 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp) 574 { 575 return -ENOENT; 576 } 577 #endif 578 579 /* 580 * power-management 581 */ 582 583 void snd_hda_schedule_power_save(struct hda_codec *codec); 584 585 struct hda_amp_list { 586 hda_nid_t nid; 587 unsigned char dir; 588 unsigned char idx; 589 }; 590 591 struct hda_loopback_check { 592 const struct hda_amp_list *amplist; 593 int power_on; 594 }; 595 596 int snd_hda_check_amp_list_power(struct hda_codec *codec, 597 struct hda_loopback_check *check, 598 hda_nid_t nid); 599 600 /* check whether the actual power state matches with the target state */ 601 static inline bool 602 snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid, 603 unsigned int target_state) 604 { 605 return snd_hdac_check_power_state(&codec->core, nid, target_state); 606 } 607 608 static inline unsigned int snd_hda_sync_power_state(struct hda_codec *codec, 609 hda_nid_t nid, 610 unsigned int target_state) 611 { 612 return snd_hdac_sync_power_state(&codec->core, nid, target_state); 613 } 614 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec, 615 hda_nid_t nid, 616 unsigned int power_state); 617 618 /* 619 * AMP control callbacks 620 */ 621 /* retrieve parameters from private_value */ 622 #define get_amp_nid_(pv) ((pv) & 0xffff) 623 #define get_amp_nid(kc) get_amp_nid_((kc)->private_value) 624 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3) 625 #define get_amp_direction_(pv) (((pv) >> 18) & 0x1) 626 #define get_amp_direction(kc) get_amp_direction_((kc)->private_value) 627 #define get_amp_index_(pv) (((pv) >> 19) & 0xf) 628 #define get_amp_index(kc) get_amp_index_((kc)->private_value) 629 #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f) 630 #define get_amp_min_mute(kc) (((kc)->private_value >> 29) & 0x1) 631 632 /* 633 * enum control helper 634 */ 635 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol, 636 struct snd_ctl_elem_info *uinfo, 637 int num_items, const char * const *texts); 638 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \ 639 snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL) 640 641 /* 642 * CEA Short Audio Descriptor data 643 */ 644 struct cea_sad { 645 int channels; 646 int format; /* (format == 0) indicates invalid SAD */ 647 int rates; 648 int sample_bits; /* for LPCM */ 649 int max_bitrate; /* for AC3...ATRAC */ 650 int profile; /* for WMAPRO */ 651 }; 652 653 #define ELD_FIXED_BYTES 20 654 #define ELD_MAX_SIZE 256 655 #define ELD_MAX_MNL 16 656 #define ELD_MAX_SAD 16 657 658 /* 659 * ELD: EDID Like Data 660 */ 661 struct parsed_hdmi_eld { 662 /* 663 * all fields will be cleared before updating ELD 664 */ 665 int baseline_len; 666 int eld_ver; 667 int cea_edid_ver; 668 char monitor_name[ELD_MAX_MNL + 1]; 669 int manufacture_id; 670 int product_id; 671 u64 port_id; 672 int support_hdcp; 673 int support_ai; 674 int conn_type; 675 int aud_synch_delay; 676 int spk_alloc; 677 int sad_count; 678 struct cea_sad sad[ELD_MAX_SAD]; 679 }; 680 681 struct hdmi_eld { 682 bool monitor_present; 683 bool eld_valid; 684 int eld_size; 685 char eld_buffer[ELD_MAX_SIZE]; 686 struct parsed_hdmi_eld info; 687 }; 688 689 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid); 690 int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid, 691 unsigned char *buf, int *eld_size); 692 int snd_hdmi_parse_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e, 693 const unsigned char *buf, int size); 694 void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e); 695 void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e, 696 struct hda_pcm_stream *hinfo); 697 698 int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid, 699 unsigned char *buf, int *eld_size, 700 bool rev3_or_later); 701 702 #ifdef CONFIG_SND_PROC_FS 703 void snd_hdmi_print_eld_info(struct hdmi_eld *eld, 704 struct snd_info_buffer *buffer); 705 void snd_hdmi_write_eld_info(struct hdmi_eld *eld, 706 struct snd_info_buffer *buffer); 707 #endif 708 709 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80 710 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen); 711 712 void snd_hda_codec_display_power(struct hda_codec *codec, bool enable); 713 714 /* 715 */ 716 #define codec_err(codec, fmt, args...) \ 717 dev_err(hda_codec_dev(codec), fmt, ##args) 718 #define codec_warn(codec, fmt, args...) \ 719 dev_warn(hda_codec_dev(codec), fmt, ##args) 720 #define codec_info(codec, fmt, args...) \ 721 dev_info(hda_codec_dev(codec), fmt, ##args) 722 #define codec_dbg(codec, fmt, args...) \ 723 dev_dbg(hda_codec_dev(codec), fmt, ##args) 724 725 #endif /* __SOUND_HDA_LOCAL_H */ 726