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 void snd_hda_codec_disconnect_pcms(struct hda_codec *codec); 141 142 #define snd_hda_regmap_sync(codec) snd_hdac_regmap_sync(&(codec)->core) 143 144 struct hda_vmaster_mute_hook { 145 /* below two fields must be filled by the caller of 146 * snd_hda_add_vmaster_hook() beforehand 147 */ 148 struct snd_kcontrol *sw_kctl; 149 void (*hook)(void *, int); 150 /* below are initialized automatically */ 151 struct hda_codec *codec; 152 }; 153 154 int snd_hda_add_vmaster_hook(struct hda_codec *codec, 155 struct hda_vmaster_mute_hook *hook); 156 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook); 157 158 /* amp value bits */ 159 #define HDA_AMP_MUTE 0x80 160 #define HDA_AMP_UNMUTE 0x00 161 #define HDA_AMP_VOLMASK 0x7f 162 163 /* 164 * SPDIF I/O 165 */ 166 int snd_hda_create_dig_out_ctls(struct hda_codec *codec, 167 hda_nid_t associated_nid, 168 hda_nid_t cvt_nid, int type); 169 #define snd_hda_create_spdif_out_ctls(codec, anid, cnid) \ 170 snd_hda_create_dig_out_ctls(codec, anid, cnid, HDA_PCM_TYPE_SPDIF) 171 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid); 172 173 /* 174 * input MUX helper 175 */ 176 #define HDA_MAX_NUM_INPUTS 36 177 struct hda_input_mux_item { 178 char label[32]; 179 unsigned int index; 180 }; 181 struct hda_input_mux { 182 unsigned int num_items; 183 struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS]; 184 }; 185 186 int snd_hda_input_mux_info(const struct hda_input_mux *imux, 187 struct snd_ctl_elem_info *uinfo); 188 int snd_hda_input_mux_put(struct hda_codec *codec, 189 const struct hda_input_mux *imux, 190 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid, 191 unsigned int *cur_val); 192 int snd_hda_add_imux_item(struct hda_codec *codec, 193 struct hda_input_mux *imux, const char *label, 194 int index, int *type_idx); 195 196 /* 197 * Multi-channel / digital-out PCM helper 198 */ 199 200 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */ 201 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */ 202 203 #define HDA_MAX_OUTS 5 204 205 struct hda_multi_out { 206 int num_dacs; /* # of DACs, must be more than 1 */ 207 const hda_nid_t *dac_nids; /* DAC list */ 208 hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */ 209 hda_nid_t hp_out_nid[HDA_MAX_OUTS]; /* DACs for multiple HPs */ 210 hda_nid_t extra_out_nid[HDA_MAX_OUTS]; /* other (e.g. speaker) DACs */ 211 hda_nid_t dig_out_nid; /* digital out audio widget */ 212 const hda_nid_t *follower_dig_outs; 213 int max_channels; /* currently supported analog channels */ 214 int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */ 215 int no_share_stream; /* don't share a stream with multiple pins */ 216 int share_spdif; /* share SPDIF pin */ 217 /* PCM information for both analog and SPDIF DACs */ 218 unsigned int analog_rates; 219 unsigned int analog_maxbps; 220 u64 analog_formats; 221 unsigned int spdif_rates; 222 unsigned int spdif_maxbps; 223 u64 spdif_formats; 224 }; 225 226 int snd_hda_create_spdif_share_sw(struct hda_codec *codec, 227 struct hda_multi_out *mout); 228 int snd_hda_multi_out_dig_open(struct hda_codec *codec, 229 struct hda_multi_out *mout); 230 int snd_hda_multi_out_dig_close(struct hda_codec *codec, 231 struct hda_multi_out *mout); 232 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec, 233 struct hda_multi_out *mout, 234 unsigned int stream_tag, 235 unsigned int format, 236 struct snd_pcm_substream *substream); 237 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec, 238 struct hda_multi_out *mout); 239 int snd_hda_multi_out_analog_open(struct hda_codec *codec, 240 struct hda_multi_out *mout, 241 struct snd_pcm_substream *substream, 242 struct hda_pcm_stream *hinfo); 243 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, 244 struct hda_multi_out *mout, 245 unsigned int stream_tag, 246 unsigned int format, 247 struct snd_pcm_substream *substream); 248 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, 249 struct hda_multi_out *mout); 250 251 /* 252 * generic proc interface 253 */ 254 #ifdef CONFIG_SND_PROC_FS 255 int snd_hda_codec_proc_new(struct hda_codec *codec); 256 #else 257 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; } 258 #endif 259 260 #define SND_PRINT_BITS_ADVISED_BUFSIZE 16 261 void snd_print_pcm_bits(int pcm, char *buf, int buflen); 262 263 /* 264 * Misc 265 */ 266 int snd_hda_add_new_ctls(struct hda_codec *codec, 267 const struct snd_kcontrol_new *knew); 268 269 /* 270 * Fix-up pin default configurations and add default verbs 271 */ 272 273 struct hda_pintbl { 274 hda_nid_t nid; 275 u32 val; 276 }; 277 278 struct hda_model_fixup { 279 const int id; 280 const char *name; 281 }; 282 283 struct hda_fixup { 284 int type; 285 bool chained:1; /* call the chained fixup(s) after this */ 286 bool chained_before:1; /* call the chained fixup(s) before this */ 287 int chain_id; 288 union { 289 const struct hda_pintbl *pins; 290 const struct hda_verb *verbs; 291 void (*func)(struct hda_codec *codec, 292 const struct hda_fixup *fix, 293 int action); 294 } v; 295 }; 296 297 struct snd_hda_pin_quirk { 298 unsigned int codec; /* Codec vendor/device ID */ 299 unsigned short subvendor; /* PCI subvendor ID */ 300 const struct hda_pintbl *pins; /* list of matching pins */ 301 #ifdef CONFIG_SND_DEBUG_VERBOSE 302 const char *name; 303 #endif 304 int value; /* quirk value */ 305 }; 306 307 #ifdef CONFIG_SND_DEBUG_VERBOSE 308 309 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \ 310 { .codec = _codec,\ 311 .subvendor = _subvendor,\ 312 .name = _name,\ 313 .value = _value,\ 314 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \ 315 } 316 #else 317 318 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \ 319 { .codec = _codec,\ 320 .subvendor = _subvendor,\ 321 .value = _value,\ 322 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \ 323 } 324 325 #endif 326 327 #define HDA_FIXUP_ID_NOT_SET -1 328 #define HDA_FIXUP_ID_NO_FIXUP -2 329 330 /* fixup types */ 331 enum { 332 HDA_FIXUP_INVALID, 333 HDA_FIXUP_PINS, 334 HDA_FIXUP_VERBS, 335 HDA_FIXUP_FUNC, 336 HDA_FIXUP_PINCTLS, 337 }; 338 339 /* fixup action definitions */ 340 enum { 341 HDA_FIXUP_ACT_PRE_PROBE, 342 HDA_FIXUP_ACT_PROBE, 343 HDA_FIXUP_ACT_INIT, 344 HDA_FIXUP_ACT_BUILD, 345 HDA_FIXUP_ACT_FREE, 346 }; 347 348 int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list); 349 void snd_hda_apply_verbs(struct hda_codec *codec); 350 void snd_hda_apply_pincfgs(struct hda_codec *codec, 351 const struct hda_pintbl *cfg); 352 void snd_hda_apply_fixup(struct hda_codec *codec, int action); 353 void snd_hda_pick_fixup(struct hda_codec *codec, 354 const struct hda_model_fixup *models, 355 const struct snd_pci_quirk *quirk, 356 const struct hda_fixup *fixlist); 357 void snd_hda_pick_pin_fixup(struct hda_codec *codec, 358 const struct snd_hda_pin_quirk *pin_quirk, 359 const struct hda_fixup *fixlist, 360 bool match_all_pins); 361 362 /* helper macros to retrieve pin default-config values */ 363 #define get_defcfg_connect(cfg) \ 364 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT) 365 #define get_defcfg_association(cfg) \ 366 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT) 367 #define get_defcfg_location(cfg) \ 368 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT) 369 #define get_defcfg_sequence(cfg) \ 370 (cfg & AC_DEFCFG_SEQUENCE) 371 #define get_defcfg_device(cfg) \ 372 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT) 373 #define get_defcfg_misc(cfg) \ 374 ((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) 375 376 /* amp values */ 377 #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8)) 378 #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8)) 379 #define AMP_OUT_MUTE 0xb080 380 #define AMP_OUT_UNMUTE 0xb000 381 #define AMP_OUT_ZERO 0xb000 382 /* pinctl values */ 383 #define PIN_IN (AC_PINCTL_IN_EN) 384 #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ) 385 #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50) 386 #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD) 387 #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80) 388 #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100) 389 #define PIN_OUT (AC_PINCTL_OUT_EN) 390 #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN) 391 #define PIN_HP_AMP (AC_PINCTL_HP_EN) 392 393 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin); 394 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec, 395 hda_nid_t pin, unsigned int val); 396 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, 397 unsigned int val, bool cached); 398 399 /** 400 * _snd_hda_set_pin_ctl - Set a pin-control value safely 401 * @codec: the codec instance 402 * @pin: the pin NID to set the control 403 * @val: the pin-control value (AC_PINCTL_* bits) 404 * 405 * This function sets the pin-control value to the given pin, but 406 * filters out the invalid pin-control bits when the pin has no such 407 * capabilities. For example, when PIN_HP is passed but the pin has no 408 * HP-drive capability, the HP bit is omitted. 409 * 410 * The function doesn't check the input VREF capability bits, though. 411 * Use snd_hda_get_default_vref() to guess the right value. 412 * Also, this function is only for analog pins, not for HDMI pins. 413 */ 414 static inline int 415 snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val) 416 { 417 return _snd_hda_set_pin_ctl(codec, pin, val, false); 418 } 419 420 /** 421 * snd_hda_set_pin_ctl_cache - Set a pin-control value safely 422 * @codec: the codec instance 423 * @pin: the pin NID to set the control 424 * @val: the pin-control value (AC_PINCTL_* bits) 425 * 426 * Just like snd_hda_set_pin_ctl() but write to cache as well. 427 */ 428 static inline int 429 snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin, 430 unsigned int val) 431 { 432 return _snd_hda_set_pin_ctl(codec, pin, val, true); 433 } 434 435 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid); 436 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid, 437 unsigned int val); 438 439 #define for_each_hda_codec_node(nid, codec) \ 440 for ((nid) = (codec)->core.start_nid; (nid) < (codec)->core.end_nid; (nid)++) 441 442 /* Set the codec power_state flag to indicate to allow unsol event handling; 443 * see hda_codec_unsol_event() in hda_bind.c. Calling this might confuse the 444 * state tracking, so use with care. 445 */ 446 static inline void snd_hda_codec_allow_unsol_events(struct hda_codec *codec) 447 { 448 codec->core.dev.power.power_state = PMSG_ON; 449 } 450 451 /* 452 * get widget capabilities 453 */ 454 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid) 455 { 456 if (nid < codec->core.start_nid || 457 nid >= codec->core.start_nid + codec->core.num_nodes) 458 return 0; 459 return codec->wcaps[nid - codec->core.start_nid]; 460 } 461 462 /* get the widget type from widget capability bits */ 463 static inline int get_wcaps_type(unsigned int wcaps) 464 { 465 if (!wcaps) 466 return -1; /* invalid type */ 467 return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; 468 } 469 470 static inline unsigned int get_wcaps_channels(u32 wcaps) 471 { 472 unsigned int chans; 473 474 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13; 475 chans = ((chans << 1) | 1) + 1; 476 477 return chans; 478 } 479 480 static inline void snd_hda_override_wcaps(struct hda_codec *codec, 481 hda_nid_t nid, u32 val) 482 { 483 if (nid >= codec->core.start_nid && 484 nid < codec->core.start_nid + codec->core.num_nodes) 485 codec->wcaps[nid - codec->core.start_nid] = val; 486 } 487 488 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction); 489 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, 490 unsigned int caps); 491 /** 492 * snd_hda_query_pin_caps - Query PIN capabilities 493 * @codec: the HD-auio codec 494 * @nid: the NID to query 495 * 496 * Query PIN capabilities for the given widget. 497 * Returns the obtained capability bits. 498 * 499 * When cap bits have been already read, this doesn't read again but 500 * returns the cached value. 501 */ 502 static inline u32 503 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid) 504 { 505 return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); 506 507 } 508 509 /** 510 * snd_hda_override_pin_caps - Override the pin capabilities 511 * @codec: the CODEC 512 * @nid: the NID to override 513 * @caps: the capability bits to set 514 * 515 * Override the cached PIN capabilitiy bits value by the given one. 516 * 517 * Returns zero if successful or a negative error code. 518 */ 519 static inline int 520 snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid, 521 unsigned int caps) 522 { 523 return snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, caps); 524 } 525 526 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid, 527 int dir, unsigned int bits); 528 529 #define nid_has_mute(codec, nid, dir) \ 530 snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) 531 #define nid_has_volume(codec, nid, dir) \ 532 snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS) 533 534 535 /* flags for hda_nid_item */ 536 #define HDA_NID_ITEM_AMP (1<<0) 537 538 struct hda_nid_item { 539 struct snd_kcontrol *kctl; 540 unsigned int index; 541 hda_nid_t nid; 542 unsigned short flags; 543 }; 544 545 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid, 546 struct snd_kcontrol *kctl); 547 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl, 548 unsigned int index, hda_nid_t nid); 549 void snd_hda_ctls_clear(struct hda_codec *codec); 550 551 /* 552 * hwdep interface 553 */ 554 #ifdef CONFIG_SND_HDA_HWDEP 555 int snd_hda_create_hwdep(struct hda_codec *codec); 556 #else 557 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; } 558 #endif 559 560 void snd_hda_sysfs_init(struct hda_codec *codec); 561 void snd_hda_sysfs_clear(struct hda_codec *codec); 562 563 extern const struct attribute_group *snd_hda_dev_attr_groups[]; 564 565 #ifdef CONFIG_SND_HDA_RECONFIG 566 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key); 567 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key); 568 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp); 569 #else 570 static inline 571 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key) 572 { 573 return NULL; 574 } 575 576 static inline 577 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key) 578 { 579 return -ENOENT; 580 } 581 582 static inline 583 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp) 584 { 585 return -ENOENT; 586 } 587 #endif 588 589 /* 590 * power-management 591 */ 592 593 void snd_hda_schedule_power_save(struct hda_codec *codec); 594 595 struct hda_amp_list { 596 hda_nid_t nid; 597 unsigned char dir; 598 unsigned char idx; 599 }; 600 601 struct hda_loopback_check { 602 const struct hda_amp_list *amplist; 603 int power_on; 604 }; 605 606 int snd_hda_check_amp_list_power(struct hda_codec *codec, 607 struct hda_loopback_check *check, 608 hda_nid_t nid); 609 610 /* check whether the actual power state matches with the target state */ 611 static inline bool 612 snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid, 613 unsigned int target_state) 614 { 615 return snd_hdac_check_power_state(&codec->core, nid, target_state); 616 } 617 618 static inline unsigned int snd_hda_sync_power_state(struct hda_codec *codec, 619 hda_nid_t nid, 620 unsigned int target_state) 621 { 622 return snd_hdac_sync_power_state(&codec->core, nid, target_state); 623 } 624 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec, 625 hda_nid_t nid, 626 unsigned int power_state); 627 628 void snd_hda_codec_shutdown(struct hda_codec *codec); 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_items, 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 void snd_hda_codec_display_power(struct hda_codec *codec, bool enable); 725 726 /* 727 */ 728 #define codec_err(codec, fmt, args...) \ 729 dev_err(hda_codec_dev(codec), fmt, ##args) 730 #define codec_warn(codec, fmt, args...) \ 731 dev_warn(hda_codec_dev(codec), fmt, ##args) 732 #define codec_info(codec, fmt, args...) \ 733 dev_info(hda_codec_dev(codec), fmt, ##args) 734 #define codec_dbg(codec, fmt, args...) \ 735 dev_dbg(hda_codec_dev(codec), fmt, ##args) 736 737 #endif /* __SOUND_HDA_LOCAL_H */ 738