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_disconnect_pcms(struct hda_codec *codec); 139 140 #define snd_hda_regmap_sync(codec) snd_hdac_regmap_sync(&(codec)->core) 141 142 struct hda_vmaster_mute_hook { 143 /* below two fields must be filled by the caller of 144 * snd_hda_add_vmaster_hook() beforehand 145 */ 146 struct snd_kcontrol *sw_kctl; 147 void (*hook)(void *, int); 148 /* below are initialized automatically */ 149 struct hda_codec *codec; 150 }; 151 152 int snd_hda_add_vmaster_hook(struct hda_codec *codec, 153 struct hda_vmaster_mute_hook *hook); 154 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook); 155 156 /* amp value bits */ 157 #define HDA_AMP_MUTE 0x80 158 #define HDA_AMP_UNMUTE 0x00 159 #define HDA_AMP_VOLMASK 0x7f 160 161 /* 162 * SPDIF I/O 163 */ 164 int snd_hda_create_dig_out_ctls(struct hda_codec *codec, 165 hda_nid_t associated_nid, 166 hda_nid_t cvt_nid, int type); 167 #define snd_hda_create_spdif_out_ctls(codec, anid, cnid) \ 168 snd_hda_create_dig_out_ctls(codec, anid, cnid, HDA_PCM_TYPE_SPDIF) 169 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid); 170 171 /* 172 * input MUX helper 173 */ 174 #define HDA_MAX_NUM_INPUTS 36 175 struct hda_input_mux_item { 176 char label[32]; 177 unsigned int index; 178 }; 179 struct hda_input_mux { 180 unsigned int num_items; 181 struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS]; 182 }; 183 184 int snd_hda_input_mux_info(const struct hda_input_mux *imux, 185 struct snd_ctl_elem_info *uinfo); 186 int snd_hda_input_mux_put(struct hda_codec *codec, 187 const struct hda_input_mux *imux, 188 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid, 189 unsigned int *cur_val); 190 int snd_hda_add_imux_item(struct hda_codec *codec, 191 struct hda_input_mux *imux, const char *label, 192 int index, int *type_idx); 193 194 /* 195 * Multi-channel / digital-out PCM helper 196 */ 197 198 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */ 199 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */ 200 201 #define HDA_MAX_OUTS 5 202 203 struct hda_multi_out { 204 int num_dacs; /* # of DACs, must be more than 1 */ 205 const hda_nid_t *dac_nids; /* DAC list */ 206 hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */ 207 hda_nid_t hp_out_nid[HDA_MAX_OUTS]; /* DACs for multiple HPs */ 208 hda_nid_t extra_out_nid[HDA_MAX_OUTS]; /* other (e.g. speaker) DACs */ 209 hda_nid_t dig_out_nid; /* digital out audio widget */ 210 const hda_nid_t *follower_dig_outs; 211 int max_channels; /* currently supported analog channels */ 212 int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */ 213 int no_share_stream; /* don't share a stream with multiple pins */ 214 int share_spdif; /* share SPDIF pin */ 215 /* PCM information for both analog and SPDIF DACs */ 216 unsigned int analog_rates; 217 unsigned int analog_maxbps; 218 u64 analog_formats; 219 unsigned int spdif_rates; 220 unsigned int spdif_maxbps; 221 u64 spdif_formats; 222 }; 223 224 int snd_hda_create_spdif_share_sw(struct hda_codec *codec, 225 struct hda_multi_out *mout); 226 int snd_hda_multi_out_dig_open(struct hda_codec *codec, 227 struct hda_multi_out *mout); 228 int snd_hda_multi_out_dig_close(struct hda_codec *codec, 229 struct hda_multi_out *mout); 230 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec, 231 struct hda_multi_out *mout, 232 unsigned int stream_tag, 233 unsigned int format, 234 struct snd_pcm_substream *substream); 235 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec, 236 struct hda_multi_out *mout); 237 int snd_hda_multi_out_analog_open(struct hda_codec *codec, 238 struct hda_multi_out *mout, 239 struct snd_pcm_substream *substream, 240 struct hda_pcm_stream *hinfo); 241 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, 242 struct hda_multi_out *mout, 243 unsigned int stream_tag, 244 unsigned int format, 245 struct snd_pcm_substream *substream); 246 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, 247 struct hda_multi_out *mout); 248 249 /* 250 * generic proc interface 251 */ 252 #ifdef CONFIG_SND_PROC_FS 253 int snd_hda_codec_proc_new(struct hda_codec *codec); 254 #else snd_hda_codec_proc_new(struct hda_codec * codec)255 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; } 256 #endif 257 258 #define SND_PRINT_BITS_ADVISED_BUFSIZE 16 259 void snd_print_pcm_bits(int pcm, char *buf, int buflen); 260 261 /* 262 * Misc 263 */ 264 int snd_hda_add_new_ctls(struct hda_codec *codec, 265 const struct snd_kcontrol_new *knew); 266 267 /* 268 * Fix-up pin default configurations and add default verbs 269 */ 270 271 struct hda_pintbl { 272 hda_nid_t nid; 273 u32 val; 274 }; 275 276 struct hda_model_fixup { 277 const int id; 278 const char *name; 279 }; 280 281 struct hda_fixup { 282 int type; 283 bool chained:1; /* call the chained fixup(s) after this */ 284 bool chained_before:1; /* call the chained fixup(s) before this */ 285 int chain_id; 286 union { 287 const struct hda_pintbl *pins; 288 const struct hda_verb *verbs; 289 void (*func)(struct hda_codec *codec, 290 const struct hda_fixup *fix, 291 int action); 292 } v; 293 }; 294 295 struct snd_hda_pin_quirk { 296 unsigned int codec; /* Codec vendor/device ID */ 297 unsigned short subvendor; /* PCI subvendor ID */ 298 const struct hda_pintbl *pins; /* list of matching pins */ 299 #ifdef CONFIG_SND_DEBUG_VERBOSE 300 const char *name; 301 #endif 302 int value; /* quirk value */ 303 }; 304 305 #ifdef CONFIG_SND_DEBUG_VERBOSE 306 307 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \ 308 { .codec = _codec,\ 309 .subvendor = _subvendor,\ 310 .name = _name,\ 311 .value = _value,\ 312 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \ 313 } 314 #else 315 316 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \ 317 { .codec = _codec,\ 318 .subvendor = _subvendor,\ 319 .value = _value,\ 320 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \ 321 } 322 323 #endif 324 325 #define HDA_FIXUP_ID_NOT_SET -1 326 #define HDA_FIXUP_ID_NO_FIXUP -2 327 328 /* fixup types */ 329 enum { 330 HDA_FIXUP_INVALID, 331 HDA_FIXUP_PINS, 332 HDA_FIXUP_VERBS, 333 HDA_FIXUP_FUNC, 334 HDA_FIXUP_PINCTLS, 335 }; 336 337 /* fixup action definitions */ 338 enum { 339 HDA_FIXUP_ACT_PRE_PROBE, 340 HDA_FIXUP_ACT_PROBE, 341 HDA_FIXUP_ACT_INIT, 342 HDA_FIXUP_ACT_BUILD, 343 HDA_FIXUP_ACT_FREE, 344 }; 345 346 int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list); 347 void snd_hda_apply_verbs(struct hda_codec *codec); 348 void snd_hda_apply_pincfgs(struct hda_codec *codec, 349 const struct hda_pintbl *cfg); 350 void snd_hda_apply_fixup(struct hda_codec *codec, int action); 351 void __snd_hda_apply_fixup(struct hda_codec *codec, int id, int action, int depth); 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 snd_hda_set_pin_ctl(struct hda_codec * codec,hda_nid_t pin,unsigned int val)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 snd_hda_set_pin_ctl_cache(struct hda_codec * codec,hda_nid_t pin,unsigned int val)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 /* Set the codec power_state flag to indicate to allow unsol event handling; 442 * see hda_codec_unsol_event() in hda_bind.c. Calling this might confuse the 443 * state tracking, so use with care. 444 */ snd_hda_codec_allow_unsol_events(struct hda_codec * codec)445 static inline void snd_hda_codec_allow_unsol_events(struct hda_codec *codec) 446 { 447 codec->core.dev.power.power_state = PMSG_ON; 448 } 449 450 /* 451 * get widget capabilities 452 */ get_wcaps(struct hda_codec * codec,hda_nid_t nid)453 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid) 454 { 455 if (nid < codec->core.start_nid || 456 nid >= codec->core.start_nid + codec->core.num_nodes) 457 return 0; 458 return codec->wcaps[nid - codec->core.start_nid]; 459 } 460 461 /* get the widget type from widget capability bits */ get_wcaps_type(unsigned int wcaps)462 static inline int get_wcaps_type(unsigned int wcaps) 463 { 464 if (!wcaps) 465 return -1; /* invalid type */ 466 return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; 467 } 468 get_wcaps_channels(u32 wcaps)469 static inline unsigned int get_wcaps_channels(u32 wcaps) 470 { 471 unsigned int chans; 472 473 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13; 474 chans = ((chans << 1) | 1) + 1; 475 476 return chans; 477 } 478 snd_hda_override_wcaps(struct hda_codec * codec,hda_nid_t nid,u32 val)479 static inline void snd_hda_override_wcaps(struct hda_codec *codec, 480 hda_nid_t nid, u32 val) 481 { 482 if (nid >= codec->core.start_nid && 483 nid < codec->core.start_nid + codec->core.num_nodes) 484 codec->wcaps[nid - codec->core.start_nid] = val; 485 } 486 487 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction); 488 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, 489 unsigned int caps); 490 /** 491 * snd_hda_query_pin_caps - Query PIN capabilities 492 * @codec: the HD-auio codec 493 * @nid: the NID to query 494 * 495 * Query PIN capabilities for the given widget. 496 * Returns the obtained capability bits. 497 * 498 * When cap bits have been already read, this doesn't read again but 499 * returns the cached value. 500 */ 501 static inline u32 snd_hda_query_pin_caps(struct hda_codec * codec,hda_nid_t nid)502 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid) 503 { 504 return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); 505 506 } 507 508 /** 509 * snd_hda_override_pin_caps - Override the pin capabilities 510 * @codec: the CODEC 511 * @nid: the NID to override 512 * @caps: the capability bits to set 513 * 514 * Override the cached PIN capabilitiy bits value by the given one. 515 * 516 * Returns zero if successful or a negative error code. 517 */ 518 static inline int snd_hda_override_pin_caps(struct hda_codec * codec,hda_nid_t nid,unsigned int caps)519 snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid, 520 unsigned int caps) 521 { 522 return snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, caps); 523 } 524 525 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid, 526 int dir, unsigned int bits); 527 528 #define nid_has_mute(codec, nid, dir) \ 529 snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) 530 #define nid_has_volume(codec, nid, dir) \ 531 snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS) 532 533 534 /* flags for hda_nid_item */ 535 #define HDA_NID_ITEM_AMP (1<<0) 536 537 struct hda_nid_item { 538 struct snd_kcontrol *kctl; 539 unsigned int index; 540 hda_nid_t nid; 541 unsigned short flags; 542 }; 543 544 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid, 545 struct snd_kcontrol *kctl); 546 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl, 547 unsigned int index, hda_nid_t nid); 548 void snd_hda_ctls_clear(struct hda_codec *codec); 549 550 /* 551 * hwdep interface 552 */ 553 #ifdef CONFIG_SND_HDA_HWDEP 554 int snd_hda_create_hwdep(struct hda_codec *codec); 555 #else snd_hda_create_hwdep(struct hda_codec * codec)556 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; } 557 #endif 558 559 void snd_hda_sysfs_init(struct hda_codec *codec); 560 void snd_hda_sysfs_clear(struct hda_codec *codec); 561 562 extern const struct attribute_group *snd_hda_dev_attr_groups[]; 563 564 #ifdef CONFIG_SND_HDA_RECONFIG 565 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key); 566 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key); 567 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp); 568 #else 569 static inline snd_hda_get_hint(struct hda_codec * codec,const char * key)570 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key) 571 { 572 return NULL; 573 } 574 575 static inline snd_hda_get_bool_hint(struct hda_codec * codec,const char * key)576 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key) 577 { 578 return -ENOENT; 579 } 580 581 static inline snd_hda_get_int_hint(struct hda_codec * codec,const char * key,int * valp)582 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp) 583 { 584 return -ENOENT; 585 } 586 #endif 587 588 /* 589 * power-management 590 */ 591 592 void snd_hda_schedule_power_save(struct hda_codec *codec); 593 594 struct hda_amp_list { 595 hda_nid_t nid; 596 unsigned char dir; 597 unsigned char idx; 598 }; 599 600 struct hda_loopback_check { 601 const struct hda_amp_list *amplist; 602 int power_on; 603 }; 604 605 int snd_hda_check_amp_list_power(struct hda_codec *codec, 606 struct hda_loopback_check *check, 607 hda_nid_t nid); 608 609 /* check whether the actual power state matches with the target state */ 610 static inline bool snd_hda_check_power_state(struct hda_codec * codec,hda_nid_t nid,unsigned int target_state)611 snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid, 612 unsigned int target_state) 613 { 614 return snd_hdac_check_power_state(&codec->core, nid, target_state); 615 } 616 snd_hda_sync_power_state(struct hda_codec * codec,hda_nid_t nid,unsigned int target_state)617 static inline unsigned int snd_hda_sync_power_state(struct hda_codec *codec, 618 hda_nid_t nid, 619 unsigned int target_state) 620 { 621 return snd_hdac_sync_power_state(&codec->core, nid, target_state); 622 } 623 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec, 624 hda_nid_t nid, 625 unsigned int power_state); 626 627 void snd_hda_codec_shutdown(struct hda_codec *codec); 628 629 /* 630 * AMP control callbacks 631 */ 632 /* retrieve parameters from private_value */ 633 #define get_amp_nid_(pv) ((pv) & 0xffff) 634 #define get_amp_nid(kc) get_amp_nid_((kc)->private_value) 635 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3) 636 #define get_amp_direction_(pv) (((pv) >> 18) & 0x1) 637 #define get_amp_direction(kc) get_amp_direction_((kc)->private_value) 638 #define get_amp_index_(pv) (((pv) >> 19) & 0xf) 639 #define get_amp_index(kc) get_amp_index_((kc)->private_value) 640 #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f) 641 #define get_amp_min_mute(kc) (((kc)->private_value >> 29) & 0x1) 642 643 /* 644 * enum control helper 645 */ 646 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol, 647 struct snd_ctl_elem_info *uinfo, 648 int num_items, const char * const *texts); 649 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \ 650 snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL) 651 652 /* 653 * CEA Short Audio Descriptor data 654 */ 655 struct cea_sad { 656 int channels; 657 int format; /* (format == 0) indicates invalid SAD */ 658 int rates; 659 int sample_bits; /* for LPCM */ 660 int max_bitrate; /* for AC3...ATRAC */ 661 int profile; /* for WMAPRO */ 662 }; 663 664 #define ELD_FIXED_BYTES 20 665 #define ELD_MAX_SIZE 256 666 #define ELD_MAX_MNL 16 667 #define ELD_MAX_SAD 16 668 669 /* 670 * ELD: EDID Like Data 671 */ 672 struct parsed_hdmi_eld { 673 /* 674 * all fields will be cleared before updating ELD 675 */ 676 int baseline_len; 677 int eld_ver; 678 int cea_edid_ver; 679 char monitor_name[ELD_MAX_MNL + 1]; 680 int manufacture_id; 681 int product_id; 682 u64 port_id; 683 int support_hdcp; 684 int support_ai; 685 int conn_type; 686 int aud_synch_delay; 687 int spk_alloc; 688 int sad_count; 689 struct cea_sad sad[ELD_MAX_SAD]; 690 }; 691 692 struct hdmi_eld { 693 bool monitor_present; 694 bool eld_valid; 695 int eld_size; 696 char eld_buffer[ELD_MAX_SIZE]; 697 struct parsed_hdmi_eld info; 698 }; 699 700 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid); 701 int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid, 702 unsigned char *buf, int *eld_size); 703 int snd_hdmi_parse_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e, 704 const unsigned char *buf, int size); 705 void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e); 706 void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e, 707 struct hda_pcm_stream *hinfo); 708 709 int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid, 710 unsigned char *buf, int *eld_size, 711 bool rev3_or_later); 712 713 #ifdef CONFIG_SND_PROC_FS 714 void snd_hdmi_print_eld_info(struct hdmi_eld *eld, 715 struct snd_info_buffer *buffer, 716 hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid); 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