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 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 /* 296 * extended form of snd_pci_quirk: 297 * for PCI SSID matching, use SND_PCI_QUIRK() like before; 298 * for codec SSID matching, use the new HDA_CODEC_QUIRK() instead 299 */ 300 struct hda_quirk { 301 unsigned short subvendor; /* PCI subvendor ID */ 302 unsigned short subdevice; /* PCI subdevice ID */ 303 unsigned short subdevice_mask; /* bitmask to match */ 304 bool match_codec_ssid; /* match only with codec SSID */ 305 int value; /* value */ 306 #ifdef CONFIG_SND_DEBUG_VERBOSE 307 const char *name; /* name of the device (optional) */ 308 #endif 309 }; 310 311 #define HDA_CODEC_QUIRK(vend, dev, xname, val) \ 312 { _SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname),\ 313 .match_codec_ssid = true } 314 315 struct snd_hda_pin_quirk { 316 unsigned int codec; /* Codec vendor/device ID */ 317 unsigned short subvendor; /* PCI subvendor ID */ 318 const struct hda_pintbl *pins; /* list of matching pins */ 319 #ifdef CONFIG_SND_DEBUG_VERBOSE 320 const char *name; 321 #endif 322 int value; /* quirk value */ 323 }; 324 325 #ifdef CONFIG_SND_DEBUG_VERBOSE 326 327 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \ 328 { .codec = _codec,\ 329 .subvendor = _subvendor,\ 330 .name = _name,\ 331 .value = _value,\ 332 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \ 333 } 334 #else 335 336 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \ 337 { .codec = _codec,\ 338 .subvendor = _subvendor,\ 339 .value = _value,\ 340 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \ 341 } 342 343 #endif 344 345 #define HDA_FIXUP_ID_NOT_SET -1 346 #define HDA_FIXUP_ID_NO_FIXUP -2 347 348 /* fixup types */ 349 enum { 350 HDA_FIXUP_INVALID, 351 HDA_FIXUP_PINS, 352 HDA_FIXUP_VERBS, 353 HDA_FIXUP_FUNC, 354 HDA_FIXUP_PINCTLS, 355 }; 356 357 /* fixup action definitions */ 358 enum { 359 HDA_FIXUP_ACT_PRE_PROBE, 360 HDA_FIXUP_ACT_PROBE, 361 HDA_FIXUP_ACT_INIT, 362 HDA_FIXUP_ACT_BUILD, 363 HDA_FIXUP_ACT_FREE, 364 }; 365 366 int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list); 367 void snd_hda_apply_verbs(struct hda_codec *codec); 368 void snd_hda_apply_pincfgs(struct hda_codec *codec, 369 const struct hda_pintbl *cfg); 370 void snd_hda_apply_fixup(struct hda_codec *codec, int action); 371 void __snd_hda_apply_fixup(struct hda_codec *codec, int id, int action, int depth); 372 void snd_hda_pick_fixup(struct hda_codec *codec, 373 const struct hda_model_fixup *models, 374 const struct hda_quirk *quirk, 375 const struct hda_fixup *fixlist); 376 void snd_hda_pick_pin_fixup(struct hda_codec *codec, 377 const struct snd_hda_pin_quirk *pin_quirk, 378 const struct hda_fixup *fixlist, 379 bool match_all_pins); 380 381 /* helper macros to retrieve pin default-config values */ 382 #define get_defcfg_connect(cfg) \ 383 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT) 384 #define get_defcfg_association(cfg) \ 385 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT) 386 #define get_defcfg_location(cfg) \ 387 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT) 388 #define get_defcfg_sequence(cfg) \ 389 (cfg & AC_DEFCFG_SEQUENCE) 390 #define get_defcfg_device(cfg) \ 391 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT) 392 #define get_defcfg_misc(cfg) \ 393 ((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) 394 395 /* amp values */ 396 #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8)) 397 #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8)) 398 #define AMP_OUT_MUTE 0xb080 399 #define AMP_OUT_UNMUTE 0xb000 400 #define AMP_OUT_ZERO 0xb000 401 /* pinctl values */ 402 #define PIN_IN (AC_PINCTL_IN_EN) 403 #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ) 404 #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50) 405 #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD) 406 #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80) 407 #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100) 408 #define PIN_OUT (AC_PINCTL_OUT_EN) 409 #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN) 410 #define PIN_HP_AMP (AC_PINCTL_HP_EN) 411 412 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin); 413 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec, 414 hda_nid_t pin, unsigned int val); 415 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, 416 unsigned int val, bool cached); 417 418 /** 419 * _snd_hda_set_pin_ctl - Set a pin-control value safely 420 * @codec: the codec instance 421 * @pin: the pin NID to set the control 422 * @val: the pin-control value (AC_PINCTL_* bits) 423 * 424 * This function sets the pin-control value to the given pin, but 425 * filters out the invalid pin-control bits when the pin has no such 426 * capabilities. For example, when PIN_HP is passed but the pin has no 427 * HP-drive capability, the HP bit is omitted. 428 * 429 * The function doesn't check the input VREF capability bits, though. 430 * Use snd_hda_get_default_vref() to guess the right value. 431 * Also, this function is only for analog pins, not for HDMI pins. 432 */ 433 static inline int 434 snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val) 435 { 436 return _snd_hda_set_pin_ctl(codec, pin, val, false); 437 } 438 439 /** 440 * snd_hda_set_pin_ctl_cache - Set a pin-control value safely 441 * @codec: the codec instance 442 * @pin: the pin NID to set the control 443 * @val: the pin-control value (AC_PINCTL_* bits) 444 * 445 * Just like snd_hda_set_pin_ctl() but write to cache as well. 446 */ 447 static inline int 448 snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin, 449 unsigned int val) 450 { 451 return _snd_hda_set_pin_ctl(codec, pin, val, true); 452 } 453 454 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid); 455 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid, 456 unsigned int val); 457 458 #define for_each_hda_codec_node(nid, codec) \ 459 for ((nid) = (codec)->core.start_nid; (nid) < (codec)->core.end_nid; (nid)++) 460 461 /* Set the codec power_state flag to indicate to allow unsol event handling; 462 * see hda_codec_unsol_event() in hda_bind.c. Calling this might confuse the 463 * state tracking, so use with care. 464 */ 465 static inline void snd_hda_codec_allow_unsol_events(struct hda_codec *codec) 466 { 467 codec->core.dev.power.power_state = PMSG_ON; 468 } 469 470 /* 471 * get widget capabilities 472 */ 473 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid) 474 { 475 if (nid < codec->core.start_nid || 476 nid >= codec->core.start_nid + codec->core.num_nodes) 477 return 0; 478 return codec->wcaps[nid - codec->core.start_nid]; 479 } 480 481 /* get the widget type from widget capability bits */ 482 static inline int get_wcaps_type(unsigned int wcaps) 483 { 484 if (!wcaps) 485 return -1; /* invalid type */ 486 return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; 487 } 488 489 static inline unsigned int get_wcaps_channels(u32 wcaps) 490 { 491 unsigned int chans; 492 493 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13; 494 chans = ((chans << 1) | 1) + 1; 495 496 return chans; 497 } 498 499 static inline void snd_hda_override_wcaps(struct hda_codec *codec, 500 hda_nid_t nid, u32 val) 501 { 502 if (nid >= codec->core.start_nid && 503 nid < codec->core.start_nid + codec->core.num_nodes) 504 codec->wcaps[nid - codec->core.start_nid] = val; 505 } 506 507 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction); 508 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, 509 unsigned int caps); 510 /** 511 * snd_hda_query_pin_caps - Query PIN capabilities 512 * @codec: the HD-auio codec 513 * @nid: the NID to query 514 * 515 * Query PIN capabilities for the given widget. 516 * Returns the obtained capability bits. 517 * 518 * When cap bits have been already read, this doesn't read again but 519 * returns the cached value. 520 */ 521 static inline u32 522 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid) 523 { 524 return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); 525 526 } 527 528 /** 529 * snd_hda_override_pin_caps - Override the pin capabilities 530 * @codec: the CODEC 531 * @nid: the NID to override 532 * @caps: the capability bits to set 533 * 534 * Override the cached PIN capabilitiy bits value by the given one. 535 * 536 * Returns zero if successful or a negative error code. 537 */ 538 static inline int 539 snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid, 540 unsigned int caps) 541 { 542 return snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, caps); 543 } 544 545 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid, 546 int dir, unsigned int bits); 547 548 #define nid_has_mute(codec, nid, dir) \ 549 snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) 550 #define nid_has_volume(codec, nid, dir) \ 551 snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS) 552 553 554 /* flags for hda_nid_item */ 555 #define HDA_NID_ITEM_AMP (1<<0) 556 557 struct hda_nid_item { 558 struct snd_kcontrol *kctl; 559 unsigned int index; 560 hda_nid_t nid; 561 unsigned short flags; 562 }; 563 564 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid, 565 struct snd_kcontrol *kctl); 566 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl, 567 unsigned int index, hda_nid_t nid); 568 void snd_hda_ctls_clear(struct hda_codec *codec); 569 570 /* 571 * hwdep interface 572 */ 573 #ifdef CONFIG_SND_HDA_HWDEP 574 int snd_hda_create_hwdep(struct hda_codec *codec); 575 #else 576 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; } 577 #endif 578 579 void snd_hda_sysfs_init(struct hda_codec *codec); 580 void snd_hda_sysfs_clear(struct hda_codec *codec); 581 582 extern const struct attribute_group *snd_hda_dev_attr_groups[]; 583 584 #ifdef CONFIG_SND_HDA_RECONFIG 585 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key); 586 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key); 587 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp); 588 #else 589 static inline 590 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key) 591 { 592 return NULL; 593 } 594 595 static inline 596 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key) 597 { 598 return -ENOENT; 599 } 600 601 static inline 602 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp) 603 { 604 return -ENOENT; 605 } 606 #endif 607 608 /* 609 * power-management 610 */ 611 612 void snd_hda_schedule_power_save(struct hda_codec *codec); 613 614 struct hda_amp_list { 615 hda_nid_t nid; 616 unsigned char dir; 617 unsigned char idx; 618 }; 619 620 struct hda_loopback_check { 621 const struct hda_amp_list *amplist; 622 int power_on; 623 }; 624 625 int snd_hda_check_amp_list_power(struct hda_codec *codec, 626 struct hda_loopback_check *check, 627 hda_nid_t nid); 628 629 /* check whether the actual power state matches with the target state */ 630 static inline bool 631 snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid, 632 unsigned int target_state) 633 { 634 return snd_hdac_check_power_state(&codec->core, nid, target_state); 635 } 636 637 static inline unsigned int snd_hda_sync_power_state(struct hda_codec *codec, 638 hda_nid_t nid, 639 unsigned int target_state) 640 { 641 return snd_hdac_sync_power_state(&codec->core, nid, target_state); 642 } 643 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec, 644 hda_nid_t nid, 645 unsigned int power_state); 646 647 void snd_hda_codec_shutdown(struct hda_codec *codec); 648 649 /* 650 * AMP control callbacks 651 */ 652 /* retrieve parameters from private_value */ 653 #define get_amp_nid_(pv) ((pv) & 0xffff) 654 #define get_amp_nid(kc) get_amp_nid_((kc)->private_value) 655 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3) 656 #define get_amp_direction_(pv) (((pv) >> 18) & 0x1) 657 #define get_amp_direction(kc) get_amp_direction_((kc)->private_value) 658 #define get_amp_index_(pv) (((pv) >> 19) & 0xf) 659 #define get_amp_index(kc) get_amp_index_((kc)->private_value) 660 #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f) 661 #define get_amp_min_mute(kc) (((kc)->private_value >> 29) & 0x1) 662 663 /* 664 * enum control helper 665 */ 666 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol, 667 struct snd_ctl_elem_info *uinfo, 668 int num_items, const char * const *texts); 669 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \ 670 snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL) 671 672 /* 673 * CEA Short Audio Descriptor data 674 */ 675 struct cea_sad { 676 int channels; 677 int format; /* (format == 0) indicates invalid SAD */ 678 int rates; 679 int sample_bits; /* for LPCM */ 680 int max_bitrate; /* for AC3...ATRAC */ 681 int profile; /* for WMAPRO */ 682 }; 683 684 #define ELD_FIXED_BYTES 20 685 #define ELD_MAX_SIZE 256 686 #define ELD_MAX_MNL 16 687 #define ELD_MAX_SAD 16 688 689 /* 690 * ELD: EDID Like Data 691 */ 692 struct parsed_hdmi_eld { 693 /* 694 * all fields will be cleared before updating ELD 695 */ 696 int baseline_len; 697 int eld_ver; 698 int cea_edid_ver; 699 char monitor_name[ELD_MAX_MNL + 1]; 700 int manufacture_id; 701 int product_id; 702 u64 port_id; 703 int support_hdcp; 704 int support_ai; 705 int conn_type; 706 int aud_synch_delay; 707 int spk_alloc; 708 int sad_count; 709 struct cea_sad sad[ELD_MAX_SAD]; 710 }; 711 712 struct hdmi_eld { 713 bool monitor_present; 714 bool eld_valid; 715 int eld_size; 716 char eld_buffer[ELD_MAX_SIZE]; 717 struct parsed_hdmi_eld info; 718 }; 719 720 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid); 721 int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid, 722 unsigned char *buf, int *eld_size); 723 int snd_hdmi_parse_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e, 724 const unsigned char *buf, int size); 725 void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e); 726 void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e, 727 struct hda_pcm_stream *hinfo); 728 729 int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid, 730 unsigned char *buf, int *eld_size, 731 bool rev3_or_later); 732 733 #ifdef CONFIG_SND_PROC_FS 734 void snd_hdmi_print_eld_info(struct hdmi_eld *eld, 735 struct snd_info_buffer *buffer, 736 hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid); 737 void snd_hdmi_write_eld_info(struct hdmi_eld *eld, 738 struct snd_info_buffer *buffer); 739 #endif 740 741 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80 742 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen); 743 744 void snd_hda_codec_display_power(struct hda_codec *codec, bool enable); 745 746 /* 747 */ 748 #define codec_err(codec, fmt, args...) \ 749 dev_err(hda_codec_dev(codec), fmt, ##args) 750 #define codec_warn(codec, fmt, args...) \ 751 dev_warn(hda_codec_dev(codec), fmt, ##args) 752 #define codec_info(codec, fmt, args...) \ 753 dev_info(hda_codec_dev(codec), fmt, ##args) 754 #define codec_dbg(codec, fmt, args...) \ 755 dev_dbg(hda_codec_dev(codec), fmt, ##args) 756 757 #endif /* __SOUND_HDA_LOCAL_H */ 758