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 #include <sound/pcm_drm_eld.h> 14 15 /* We abuse kcontrol_new.subdev field to pass the NID corresponding to 16 * the given new control. If id.subdev has a bit flag HDA_SUBDEV_NID_FLAG, 17 * snd_hda_ctl_add() takes the lower-bit subdev value as a valid NID. 18 * 19 * Note that the subdevice field is cleared again before the real registration 20 * in snd_hda_ctl_add(), so that this value won't appear in the outside. 21 */ 22 #define HDA_SUBDEV_NID_FLAG (1U << 31) 23 #define HDA_SUBDEV_AMP_FLAG (1U << 30) 24 25 /* 26 * for mixer controls 27 */ 28 #define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs) \ 29 ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23)) 30 #define HDA_AMP_VAL_MIN_MUTE (1<<29) 31 #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \ 32 HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0) 33 /* mono volume with index (index=0,1,...) (channel=1,2) */ 34 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, dir, flags) \ 35 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \ 36 .subdevice = HDA_SUBDEV_AMP_FLAG, \ 37 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \ 38 SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 39 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ 40 .info = snd_hda_mixer_amp_volume_info, \ 41 .get = snd_hda_mixer_amp_volume_get, \ 42 .put = snd_hda_mixer_amp_volume_put, \ 43 .tlv = { .c = snd_hda_mixer_amp_tlv }, \ 44 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, dir) | flags } 45 /* stereo volume with index */ 46 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \ 47 HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction, 0) 48 /* mono volume */ 49 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \ 50 HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction, 0) 51 /* stereo volume */ 52 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \ 53 HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction) 54 /* stereo volume with min=mute */ 55 #define HDA_CODEC_VOLUME_MIN_MUTE(xname, nid, xindex, direction) \ 56 HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, 3, xindex, direction, \ 57 HDA_AMP_VAL_MIN_MUTE) 58 /* mono mute switch with index (index=0,1,...) (channel=1,2) */ 59 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \ 60 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \ 61 .subdevice = HDA_SUBDEV_AMP_FLAG, \ 62 .info = snd_hda_mixer_amp_switch_info, \ 63 .get = snd_hda_mixer_amp_switch_get, \ 64 .put = snd_hda_mixer_amp_switch_put, \ 65 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) } 66 /* stereo mute switch with index */ 67 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \ 68 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction) 69 /* mono mute switch */ 70 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \ 71 HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction) 72 /* stereo mute switch */ 73 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \ 74 HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction) 75 #ifdef CONFIG_SND_HDA_INPUT_BEEP 76 /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */ 77 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \ 78 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \ 79 .subdevice = HDA_SUBDEV_AMP_FLAG, \ 80 .info = snd_hda_mixer_amp_switch_info, \ 81 .get = snd_hda_mixer_amp_switch_get_beep, \ 82 .put = snd_hda_mixer_amp_switch_put_beep, \ 83 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) } 84 #else 85 /* no digital beep - just the standard one */ 86 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \ 87 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) 88 #endif /* CONFIG_SND_HDA_INPUT_BEEP */ 89 /* special beep mono mute switch */ 90 #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \ 91 HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction) 92 /* special beep stereo mute switch */ 93 #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \ 94 HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction) 95 96 extern const char *snd_hda_pcm_type_name[]; 97 98 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, 99 struct snd_ctl_elem_info *uinfo); 100 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, 101 struct snd_ctl_elem_value *ucontrol); 102 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, 103 struct snd_ctl_elem_value *ucontrol); 104 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, 105 unsigned int size, unsigned int __user *_tlv); 106 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, 107 struct snd_ctl_elem_info *uinfo); 108 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, 109 struct snd_ctl_elem_value *ucontrol); 110 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, 111 struct snd_ctl_elem_value *ucontrol); 112 #ifdef CONFIG_SND_HDA_INPUT_BEEP 113 int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol, 114 struct snd_ctl_elem_value *ucontrol); 115 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol, 116 struct snd_ctl_elem_value *ucontrol); 117 #endif 118 /* lowlevel accessor with caching; use carefully */ 119 #define snd_hda_codec_amp_read(codec, nid, ch, dir, idx) \ 120 snd_hdac_regmap_get_amp(&(codec)->core, nid, ch, dir, idx) 121 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, 122 int ch, int dir, int idx, int mask, int val); 123 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid, 124 int direction, int idx, int mask, int val); 125 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch, 126 int direction, int idx, int mask, int val); 127 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid, 128 int dir, int idx, int mask, int val); 129 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir, 130 unsigned int *tlv); 131 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec, 132 const char *name); 133 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name, 134 unsigned int *tlv, const char * const *followers, 135 const char *suffix, bool init_follower_vol, 136 unsigned int access, struct snd_kcontrol **ctl_ret); 137 #define snd_hda_add_vmaster(codec, name, tlv, followers, suffix, access) \ 138 __snd_hda_add_vmaster(codec, name, tlv, followers, suffix, true, access, NULL) 139 int snd_hda_codec_reset(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 /* 298 * extended form of snd_pci_quirk: 299 * for PCI SSID matching, use SND_PCI_QUIRK() like before; 300 * for codec SSID matching, use the new HDA_CODEC_QUIRK() instead 301 */ 302 struct hda_quirk { 303 unsigned short subvendor; /* PCI subvendor ID */ 304 unsigned short subdevice; /* PCI subdevice ID */ 305 unsigned short subdevice_mask; /* bitmask to match */ 306 bool match_codec_ssid; /* match only with codec SSID */ 307 int value; /* value */ 308 #ifdef CONFIG_SND_DEBUG_VERBOSE 309 const char *name; /* name of the device (optional) */ 310 #endif 311 }; 312 313 #ifdef CONFIG_SND_DEBUG_VERBOSE 314 #define HDA_CODEC_QUIRK(vend, dev, xname, val) \ 315 { _SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname),\ 316 .match_codec_ssid = true } 317 #else 318 #define HDA_CODEC_QUIRK(vend, dev, xname, val) \ 319 { _SND_PCI_QUIRK_ID(vend, dev), .value = (val), \ 320 .match_codec_ssid = true } 321 #endif 322 323 struct snd_hda_pin_quirk { 324 unsigned int codec; /* Codec vendor/device ID */ 325 unsigned short subvendor; /* PCI subvendor ID */ 326 const struct hda_pintbl *pins; /* list of matching pins */ 327 #ifdef CONFIG_SND_DEBUG_VERBOSE 328 const char *name; 329 #endif 330 int value; /* quirk value */ 331 }; 332 333 #ifdef CONFIG_SND_DEBUG_VERBOSE 334 335 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \ 336 { .codec = _codec,\ 337 .subvendor = _subvendor,\ 338 .name = _name,\ 339 .value = _value,\ 340 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \ 341 } 342 #else 343 344 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \ 345 { .codec = _codec,\ 346 .subvendor = _subvendor,\ 347 .value = _value,\ 348 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \ 349 } 350 351 #endif 352 353 #define HDA_FIXUP_ID_NOT_SET -1 354 #define HDA_FIXUP_ID_NO_FIXUP -2 355 356 /* fixup types */ 357 enum { 358 HDA_FIXUP_INVALID, 359 HDA_FIXUP_PINS, 360 HDA_FIXUP_VERBS, 361 HDA_FIXUP_FUNC, 362 HDA_FIXUP_PINCTLS, 363 }; 364 365 /* fixup action definitions */ 366 enum { 367 HDA_FIXUP_ACT_PRE_PROBE, 368 HDA_FIXUP_ACT_PROBE, 369 HDA_FIXUP_ACT_INIT, 370 HDA_FIXUP_ACT_BUILD, 371 HDA_FIXUP_ACT_FREE, 372 }; 373 374 int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list); 375 void snd_hda_apply_verbs(struct hda_codec *codec); 376 void snd_hda_apply_pincfgs(struct hda_codec *codec, 377 const struct hda_pintbl *cfg); 378 void snd_hda_apply_fixup(struct hda_codec *codec, int action); 379 void __snd_hda_apply_fixup(struct hda_codec *codec, int id, int action, int depth); 380 void snd_hda_pick_fixup(struct hda_codec *codec, 381 const struct hda_model_fixup *models, 382 const struct hda_quirk *quirk, 383 const struct hda_fixup *fixlist); 384 void snd_hda_pick_pin_fixup(struct hda_codec *codec, 385 const struct snd_hda_pin_quirk *pin_quirk, 386 const struct hda_fixup *fixlist, 387 bool match_all_pins); 388 389 /* helper macros to retrieve pin default-config values */ 390 #define get_defcfg_connect(cfg) \ 391 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT) 392 #define get_defcfg_association(cfg) \ 393 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT) 394 #define get_defcfg_location(cfg) \ 395 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT) 396 #define get_defcfg_sequence(cfg) \ 397 (cfg & AC_DEFCFG_SEQUENCE) 398 #define get_defcfg_device(cfg) \ 399 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT) 400 #define get_defcfg_misc(cfg) \ 401 ((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) 402 403 /* amp values */ 404 #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8)) 405 #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8)) 406 #define AMP_OUT_MUTE 0xb080 407 #define AMP_OUT_UNMUTE 0xb000 408 #define AMP_OUT_ZERO 0xb000 409 /* pinctl values */ 410 #define PIN_IN (AC_PINCTL_IN_EN) 411 #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ) 412 #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50) 413 #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD) 414 #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80) 415 #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100) 416 #define PIN_OUT (AC_PINCTL_OUT_EN) 417 #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN) 418 #define PIN_HP_AMP (AC_PINCTL_HP_EN) 419 420 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin); 421 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec, 422 hda_nid_t pin, unsigned int val); 423 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, 424 unsigned int val, bool cached); 425 426 /** 427 * _snd_hda_set_pin_ctl - Set a pin-control value safely 428 * @codec: the codec instance 429 * @pin: the pin NID to set the control 430 * @val: the pin-control value (AC_PINCTL_* bits) 431 * 432 * This function sets the pin-control value to the given pin, but 433 * filters out the invalid pin-control bits when the pin has no such 434 * capabilities. For example, when PIN_HP is passed but the pin has no 435 * HP-drive capability, the HP bit is omitted. 436 * 437 * The function doesn't check the input VREF capability bits, though. 438 * Use snd_hda_get_default_vref() to guess the right value. 439 * Also, this function is only for analog pins, not for HDMI pins. 440 */ 441 static inline int 442 snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val) 443 { 444 return _snd_hda_set_pin_ctl(codec, pin, val, false); 445 } 446 447 /** 448 * snd_hda_set_pin_ctl_cache - Set a pin-control value safely 449 * @codec: the codec instance 450 * @pin: the pin NID to set the control 451 * @val: the pin-control value (AC_PINCTL_* bits) 452 * 453 * Just like snd_hda_set_pin_ctl() but write to cache as well. 454 */ 455 static inline int 456 snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin, 457 unsigned int val) 458 { 459 return _snd_hda_set_pin_ctl(codec, pin, val, true); 460 } 461 462 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid); 463 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid, 464 unsigned int val); 465 466 #define for_each_hda_codec_node(nid, codec) \ 467 for ((nid) = (codec)->core.start_nid; (nid) < (codec)->core.end_nid; (nid)++) 468 469 /* Set the codec power_state flag to indicate to allow unsol event handling; 470 * see hda_codec_unsol_event() in hda_bind.c. Calling this might confuse the 471 * state tracking, so use with care. 472 */ 473 static inline void snd_hda_codec_allow_unsol_events(struct hda_codec *codec) 474 { 475 codec->core.dev.power.power_state = PMSG_ON; 476 } 477 478 /* 479 * get widget capabilities 480 */ 481 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid) 482 { 483 if (nid < codec->core.start_nid || 484 nid >= codec->core.start_nid + codec->core.num_nodes) 485 return 0; 486 return codec->wcaps[nid - codec->core.start_nid]; 487 } 488 489 /* get the widget type from widget capability bits */ 490 static inline int get_wcaps_type(unsigned int wcaps) 491 { 492 if (!wcaps) 493 return -1; /* invalid type */ 494 return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; 495 } 496 497 static inline unsigned int get_wcaps_channels(u32 wcaps) 498 { 499 unsigned int chans; 500 501 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13; 502 chans = ((chans << 1) | 1) + 1; 503 504 return chans; 505 } 506 507 static inline void snd_hda_override_wcaps(struct hda_codec *codec, 508 hda_nid_t nid, u32 val) 509 { 510 if (nid >= codec->core.start_nid && 511 nid < codec->core.start_nid + codec->core.num_nodes) 512 codec->wcaps[nid - codec->core.start_nid] = val; 513 } 514 515 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction); 516 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, 517 unsigned int caps); 518 /** 519 * snd_hda_query_pin_caps - Query PIN capabilities 520 * @codec: the HD-auio codec 521 * @nid: the NID to query 522 * 523 * Query PIN capabilities for the given widget. 524 * Returns the obtained capability bits. 525 * 526 * When cap bits have been already read, this doesn't read again but 527 * returns the cached value. 528 */ 529 static inline u32 530 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid) 531 { 532 return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); 533 534 } 535 536 /** 537 * snd_hda_override_pin_caps - Override the pin capabilities 538 * @codec: the CODEC 539 * @nid: the NID to override 540 * @caps: the capability bits to set 541 * 542 * Override the cached PIN capabilitiy bits value by the given one. 543 * 544 * Returns zero if successful or a negative error code. 545 */ 546 static inline int 547 snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid, 548 unsigned int caps) 549 { 550 return snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, caps); 551 } 552 553 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid, 554 int dir, unsigned int bits); 555 556 #define nid_has_mute(codec, nid, dir) \ 557 snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) 558 #define nid_has_volume(codec, nid, dir) \ 559 snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS) 560 561 562 /* flags for hda_nid_item */ 563 #define HDA_NID_ITEM_AMP (1<<0) 564 565 struct hda_nid_item { 566 struct snd_kcontrol *kctl; 567 unsigned int index; 568 hda_nid_t nid; 569 unsigned short flags; 570 }; 571 572 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid, 573 struct snd_kcontrol *kctl); 574 void snd_hda_ctls_clear(struct hda_codec *codec); 575 576 /* 577 * hwdep interface 578 */ 579 #ifdef CONFIG_SND_HDA_HWDEP 580 int snd_hda_create_hwdep(struct hda_codec *codec); 581 #else 582 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; } 583 #endif 584 585 void snd_hda_sysfs_init(struct hda_codec *codec); 586 void snd_hda_sysfs_clear(struct hda_codec *codec); 587 588 extern const struct attribute_group *snd_hda_dev_attr_groups[]; 589 590 #ifdef CONFIG_SND_HDA_RECONFIG 591 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key); 592 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key); 593 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp); 594 #else 595 static inline 596 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key) 597 { 598 return NULL; 599 } 600 601 static inline 602 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key) 603 { 604 return -ENOENT; 605 } 606 607 static inline 608 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp) 609 { 610 return -ENOENT; 611 } 612 #endif 613 614 /* 615 * power-management 616 */ 617 618 void snd_hda_schedule_power_save(struct hda_codec *codec); 619 620 struct hda_amp_list { 621 hda_nid_t nid; 622 unsigned char dir; 623 unsigned char idx; 624 }; 625 626 struct hda_loopback_check { 627 const struct hda_amp_list *amplist; 628 int power_on; 629 }; 630 631 int snd_hda_check_amp_list_power(struct hda_codec *codec, 632 struct hda_loopback_check *check, 633 hda_nid_t nid); 634 635 /* check whether the actual power state matches with the target state */ 636 static inline bool 637 snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid, 638 unsigned int target_state) 639 { 640 return snd_hdac_check_power_state(&codec->core, nid, target_state); 641 } 642 643 static inline unsigned int snd_hda_sync_power_state(struct hda_codec *codec, 644 hda_nid_t nid, 645 unsigned int target_state) 646 { 647 return snd_hdac_sync_power_state(&codec->core, nid, target_state); 648 } 649 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec, 650 hda_nid_t nid, 651 unsigned int power_state); 652 653 void snd_hda_codec_shutdown(struct hda_codec *codec); 654 655 static inline int snd_hda_codec_init(struct hda_codec *codec) 656 { 657 struct hda_codec_driver *driver = hda_codec_to_driver(codec); 658 659 if (driver->ops->init) 660 return driver->ops->init(codec); 661 return 0; 662 } 663 664 /* 665 * AMP control callbacks 666 */ 667 /* retrieve parameters from private_value */ 668 #define get_amp_nid_(pv) ((pv) & 0xffff) 669 #define get_amp_nid(kc) get_amp_nid_((kc)->private_value) 670 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3) 671 #define get_amp_direction_(pv) (((pv) >> 18) & 0x1) 672 #define get_amp_direction(kc) get_amp_direction_((kc)->private_value) 673 #define get_amp_index_(pv) (((pv) >> 19) & 0xf) 674 #define get_amp_index(kc) get_amp_index_((kc)->private_value) 675 #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f) 676 #define get_amp_min_mute(kc) (((kc)->private_value >> 29) & 0x1) 677 678 /* 679 * enum control helper 680 */ 681 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol, 682 struct snd_ctl_elem_info *uinfo, 683 int num_items, const char * const *texts); 684 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \ 685 snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL) 686 687 struct hdmi_eld { 688 bool monitor_present; 689 bool eld_valid; 690 int eld_size; 691 char eld_buffer[ELD_MAX_SIZE]; 692 struct snd_parsed_hdmi_eld info; 693 }; 694 695 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid); 696 int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid, 697 unsigned char *buf, int *eld_size); 698 void snd_hdmi_eld_update_pcm_info(struct snd_parsed_hdmi_eld *e, 699 struct hda_pcm_stream *hinfo); 700 701 #ifdef CONFIG_SND_PROC_FS 702 void snd_hdmi_print_eld_info(struct hdmi_eld *eld, 703 struct snd_info_buffer *buffer, 704 hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid); 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