1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Universal Interface for Intel High Definition Audio Codec 4 * 5 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> 6 */ 7 8 #ifndef __SOUND_HDA_CODEC_H 9 #define __SOUND_HDA_CODEC_H 10 11 #include <linux/refcount.h> 12 #include <linux/mod_devicetable.h> 13 #include <sound/info.h> 14 #include <sound/control.h> 15 #include <sound/pcm.h> 16 #include <sound/hwdep.h> 17 #include <sound/hdaudio.h> 18 #include <sound/hda_verbs.h> 19 #include <sound/hda_regmap.h> 20 21 /* 22 * Structures 23 */ 24 25 struct hda_bus; 26 struct hda_beep; 27 struct hda_codec; 28 struct hda_pcm; 29 struct hda_pcm_stream; 30 31 /* 32 * codec bus 33 * 34 * each controller needs to creata a hda_bus to assign the accessor. 35 * A hda_bus contains several codecs in the list codec_list. 36 */ 37 struct hda_bus { 38 struct hdac_bus core; 39 40 struct snd_card *card; 41 42 struct pci_dev *pci; 43 const char *modelname; 44 45 struct mutex prepare_mutex; 46 47 /* assigned PCMs */ 48 DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES); 49 50 /* misc op flags */ 51 unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */ 52 /* status for codec/controller */ 53 unsigned int shutdown :1; /* being unloaded */ 54 unsigned int response_reset:1; /* controller was reset */ 55 unsigned int in_reset:1; /* during reset operation */ 56 unsigned int no_response_fallback:1; /* don't fallback at RIRB error */ 57 unsigned int bus_probing :1; /* during probing process */ 58 unsigned int keep_power:1; /* keep power up for notification */ 59 unsigned int jackpoll_in_suspend:1; /* keep jack polling during 60 * runtime suspend 61 */ 62 63 int primary_dig_out_type; /* primary digital out PCM type */ 64 unsigned int mixer_assigned; /* codec addr for mixer name */ 65 }; 66 67 /* from hdac_bus to hda_bus */ 68 #define to_hda_bus(bus) container_of(bus, struct hda_bus, core) 69 70 /* 71 * codec preset 72 * 73 * Known codecs have the patch to build and set up the controls/PCMs 74 * better than the generic parser. 75 */ 76 typedef int (*hda_codec_patch_t)(struct hda_codec *); 77 78 #define HDA_CODEC_ID_SKIP_PROBE 0x00000001 79 #define HDA_CODEC_ID_GENERIC_HDMI 0x00000101 80 #define HDA_CODEC_ID_GENERIC 0x00000201 81 82 #define HDA_CODEC_REV_ENTRY(_vid, _rev, _name, _patch) \ 83 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ 84 .api_version = HDA_DEV_LEGACY, \ 85 .driver_data = (unsigned long)(_patch) } 86 #define HDA_CODEC_ENTRY(_vid, _name, _patch) \ 87 HDA_CODEC_REV_ENTRY(_vid, 0, _name, _patch) 88 89 struct hda_codec_driver { 90 struct hdac_driver core; 91 const struct hda_device_id *id; 92 }; 93 94 int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name, 95 struct module *owner); 96 #define hda_codec_driver_register(drv) \ 97 __hda_codec_driver_register(drv, KBUILD_MODNAME, THIS_MODULE) 98 void hda_codec_driver_unregister(struct hda_codec_driver *drv); 99 #define module_hda_codec_driver(drv) \ 100 module_driver(drv, hda_codec_driver_register, \ 101 hda_codec_driver_unregister) 102 103 /* ops set by the preset patch */ 104 struct hda_codec_ops { 105 int (*build_controls)(struct hda_codec *codec); 106 int (*build_pcms)(struct hda_codec *codec); 107 int (*init)(struct hda_codec *codec); 108 void (*free)(struct hda_codec *codec); 109 void (*unsol_event)(struct hda_codec *codec, unsigned int res); 110 void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg, 111 unsigned int power_state); 112 #ifdef CONFIG_PM 113 int (*suspend)(struct hda_codec *codec); 114 int (*resume)(struct hda_codec *codec); 115 int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid); 116 #endif 117 void (*stream_pm)(struct hda_codec *codec, hda_nid_t nid, bool on); 118 }; 119 120 /* PCM callbacks */ 121 struct hda_pcm_ops { 122 int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec, 123 struct snd_pcm_substream *substream); 124 int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec, 125 struct snd_pcm_substream *substream); 126 int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec, 127 unsigned int stream_tag, unsigned int format, 128 struct snd_pcm_substream *substream); 129 int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec, 130 struct snd_pcm_substream *substream); 131 unsigned int (*get_delay)(struct hda_pcm_stream *info, 132 struct hda_codec *codec, 133 struct snd_pcm_substream *substream); 134 }; 135 136 /* PCM information for each substream */ 137 struct hda_pcm_stream { 138 unsigned int substreams; /* number of substreams, 0 = not exist*/ 139 unsigned int channels_min; /* min. number of channels */ 140 unsigned int channels_max; /* max. number of channels */ 141 hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */ 142 u32 rates; /* supported rates */ 143 u64 formats; /* supported formats (SNDRV_PCM_FMTBIT_) */ 144 unsigned int maxbps; /* supported max. bit per sample */ 145 const struct snd_pcm_chmap_elem *chmap; /* chmap to override */ 146 struct hda_pcm_ops ops; 147 }; 148 149 /* PCM types */ 150 enum { 151 HDA_PCM_TYPE_AUDIO, 152 HDA_PCM_TYPE_SPDIF, 153 HDA_PCM_TYPE_HDMI, 154 HDA_PCM_TYPE_MODEM, 155 HDA_PCM_NTYPES 156 }; 157 158 #define SNDRV_PCM_INVALID_DEVICE (-1) 159 /* for PCM creation */ 160 struct hda_pcm { 161 char *name; 162 struct hda_pcm_stream stream[2]; 163 unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */ 164 int device; /* device number to assign */ 165 struct snd_pcm *pcm; /* assigned PCM instance */ 166 bool own_chmap; /* codec driver provides own channel maps */ 167 /* private: */ 168 struct hda_codec *codec; 169 struct list_head list; 170 unsigned int disconnected:1; 171 }; 172 173 /* codec information */ 174 struct hda_codec { 175 struct hdac_device core; 176 struct hda_bus *bus; 177 struct snd_card *card; 178 unsigned int addr; /* codec addr*/ 179 u32 probe_id; /* overridden id for probing */ 180 181 /* detected preset */ 182 const struct hda_device_id *preset; 183 const char *modelname; /* model name for preset */ 184 185 /* set by patch */ 186 struct hda_codec_ops patch_ops; 187 188 /* PCM to create, set by patch_ops.build_pcms callback */ 189 struct list_head pcm_list_head; 190 refcount_t pcm_ref; 191 wait_queue_head_t remove_sleep; 192 193 /* codec specific info */ 194 void *spec; 195 196 /* beep device */ 197 struct hda_beep *beep; 198 unsigned int beep_mode; 199 200 /* widget capabilities cache */ 201 u32 *wcaps; 202 203 struct snd_array mixers; /* list of assigned mixer elements */ 204 struct snd_array nids; /* list of mapped mixer elements */ 205 206 struct list_head conn_list; /* linked-list of connection-list */ 207 208 struct mutex spdif_mutex; 209 struct mutex control_mutex; 210 struct snd_array spdif_out; 211 unsigned int spdif_in_enable; /* SPDIF input enable? */ 212 const hda_nid_t *follower_dig_outs; /* optional digital out follower widgets */ 213 struct snd_array init_pins; /* initial (BIOS) pin configurations */ 214 struct snd_array driver_pins; /* pin configs set by codec parser */ 215 struct snd_array cvt_setups; /* audio convert setups */ 216 217 struct mutex user_mutex; 218 #ifdef CONFIG_SND_HDA_RECONFIG 219 struct snd_array init_verbs; /* additional init verbs */ 220 struct snd_array hints; /* additional hints */ 221 struct snd_array user_pins; /* default pin configs to override */ 222 #endif 223 224 #ifdef CONFIG_SND_HDA_HWDEP 225 struct snd_hwdep *hwdep; /* assigned hwdep device */ 226 #endif 227 228 /* misc flags */ 229 unsigned int configured:1; /* codec was configured */ 230 unsigned int in_freeing:1; /* being released */ 231 unsigned int display_power_control:1; /* needs display power */ 232 unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each 233 * status change 234 * (e.g. Realtek codecs) 235 */ 236 unsigned int pin_amp_workaround:1; /* pin out-amp takes index 237 * (e.g. Conexant codecs) 238 */ 239 unsigned int single_adc_amp:1; /* adc in-amp takes no index 240 * (e.g. CX20549 codec) 241 */ 242 unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */ 243 unsigned int pins_shutup:1; /* pins are shut up */ 244 unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */ 245 unsigned int no_jack_detect:1; /* Machine has no jack-detection */ 246 unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */ 247 unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */ 248 unsigned int pcm_format_first:1; /* PCM format must be set first */ 249 unsigned int cached_write:1; /* write only to caches */ 250 unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */ 251 unsigned int dump_coef:1; /* dump processing coefs in codec proc file */ 252 unsigned int power_save_node:1; /* advanced PM for each widget */ 253 unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */ 254 unsigned int force_pin_prefix:1; /* Add location prefix */ 255 unsigned int link_down_at_suspend:1; /* link down at runtime suspend */ 256 unsigned int relaxed_resume:1; /* don't resume forcibly for jack */ 257 unsigned int forced_resume:1; /* forced resume for jack */ 258 unsigned int no_stream_clean_at_suspend:1; /* do not clean streams at suspend */ 259 unsigned int ctl_dev_id:1; /* old control element id build behaviour */ 260 261 #ifdef CONFIG_PM 262 unsigned long power_on_acct; 263 unsigned long power_off_acct; 264 unsigned long power_jiffies; 265 #endif 266 267 /* filter the requested power state per nid */ 268 unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid, 269 unsigned int power_state); 270 271 /* codec-specific additional proc output */ 272 void (*proc_widget_hook)(struct snd_info_buffer *buffer, 273 struct hda_codec *codec, hda_nid_t nid); 274 275 /* jack detection */ 276 struct snd_array jacktbl; 277 unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */ 278 struct delayed_work jackpoll_work; 279 280 int depop_delay; /* depop delay in ms, -1 for default delay time */ 281 282 /* fix-up list */ 283 int fixup_id; 284 const struct hda_fixup *fixup_list; 285 const char *fixup_name; 286 287 /* additional init verbs */ 288 struct snd_array verbs; 289 }; 290 291 #define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, core.dev) 292 #define hda_codec_dev(_dev) (&(_dev)->core.dev) 293 294 #define hdac_to_hda_codec(_hdac) container_of(_hdac, struct hda_codec, core) 295 296 #define list_for_each_codec(c, bus) \ 297 list_for_each_entry(c, &(bus)->core.codec_list, core.list) 298 #define list_for_each_codec_safe(c, n, bus) \ 299 list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list) 300 301 /* snd_hda_codec_read/write optional flags */ 302 #define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0) 303 304 /* 305 * constructors 306 */ 307 __printf(3, 4) struct hda_codec * 308 snd_hda_codec_device_init(struct hda_bus *bus, unsigned int codec_addr, 309 const char *fmt, ...); 310 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card, 311 unsigned int codec_addr, struct hda_codec **codecp); 312 int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card, 313 unsigned int codec_addr, struct hda_codec *codec, 314 bool snddev_managed); 315 int snd_hda_codec_configure(struct hda_codec *codec); 316 int snd_hda_codec_update_widgets(struct hda_codec *codec); 317 void snd_hda_codec_register(struct hda_codec *codec); 318 void snd_hda_codec_unregister(struct hda_codec *codec); 319 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec); 320 321 /* 322 * low level functions 323 */ 324 static inline unsigned int 325 snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, 326 int flags, 327 unsigned int verb, unsigned int parm) 328 { 329 return snd_hdac_codec_read(&codec->core, nid, flags, verb, parm); 330 } 331 332 static inline int 333 snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags, 334 unsigned int verb, unsigned int parm) 335 { 336 return snd_hdac_codec_write(&codec->core, nid, flags, verb, parm); 337 } 338 339 #define snd_hda_param_read(codec, nid, param) \ 340 snd_hdac_read_parm(&(codec)->core, nid, param) 341 #define snd_hda_get_sub_nodes(codec, nid, start_nid) \ 342 snd_hdac_get_sub_nodes(&(codec)->core, nid, start_nid) 343 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, 344 hda_nid_t *conn_list, int max_conns); 345 static inline int 346 snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid) 347 { 348 return snd_hda_get_connections(codec, nid, NULL, 0); 349 } 350 351 #define snd_hda_get_raw_connections(codec, nid, list, max_conns) \ 352 snd_hdac_get_connections(&(codec)->core, nid, list, max_conns) 353 #define snd_hda_get_num_raw_conns(codec, nid) \ 354 snd_hdac_get_connections(&(codec)->core, nid, NULL, 0) 355 356 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid, 357 const hda_nid_t **listp); 358 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums, 359 const hda_nid_t *list); 360 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux, 361 hda_nid_t nid, int recursive); 362 unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid); 363 int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid, 364 u8 *dev_list, int max_devices); 365 int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid); 366 int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id); 367 368 struct hda_verb { 369 hda_nid_t nid; 370 u32 verb; 371 u32 param; 372 }; 373 374 void snd_hda_sequence_write(struct hda_codec *codec, 375 const struct hda_verb *seq); 376 377 /* cached write */ 378 static inline int 379 snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, 380 int flags, unsigned int verb, unsigned int parm) 381 { 382 return snd_hdac_regmap_write(&codec->core, nid, verb, parm); 383 } 384 385 /* the struct for codec->pin_configs */ 386 struct hda_pincfg { 387 hda_nid_t nid; 388 unsigned char ctrl; /* original pin control value */ 389 unsigned char target; /* target pin control value */ 390 unsigned int cfg; /* default configuration */ 391 }; 392 393 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid); 394 int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid, 395 unsigned int cfg); 396 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list, 397 hda_nid_t nid, unsigned int cfg); /* for hwdep */ 398 void snd_hda_shutup_pins(struct hda_codec *codec); 399 400 /* SPDIF controls */ 401 struct hda_spdif_out { 402 hda_nid_t nid; /* Converter nid values relate to */ 403 unsigned int status; /* IEC958 status bits */ 404 unsigned short ctls; /* SPDIF control bits */ 405 }; 406 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec, 407 hda_nid_t nid); 408 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx); 409 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid); 410 411 /* 412 * Mixer 413 */ 414 int snd_hda_codec_build_controls(struct hda_codec *codec); 415 416 /* 417 * PCM 418 */ 419 int snd_hda_codec_parse_pcms(struct hda_codec *codec); 420 int snd_hda_codec_build_pcms(struct hda_codec *codec); 421 422 __printf(2, 3) 423 struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec, 424 const char *fmt, ...); 425 426 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec); 427 428 static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm) 429 { 430 refcount_inc(&pcm->codec->pcm_ref); 431 } 432 void snd_hda_codec_pcm_put(struct hda_pcm *pcm); 433 434 int snd_hda_codec_prepare(struct hda_codec *codec, 435 struct hda_pcm_stream *hinfo, 436 unsigned int stream, 437 unsigned int format, 438 struct snd_pcm_substream *substream); 439 void snd_hda_codec_cleanup(struct hda_codec *codec, 440 struct hda_pcm_stream *hinfo, 441 struct snd_pcm_substream *substream); 442 443 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, 444 u32 stream_tag, 445 int channel_id, int format); 446 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid, 447 int do_now); 448 #define snd_hda_codec_cleanup_stream(codec, nid) \ 449 __snd_hda_codec_cleanup_stream(codec, nid, 0) 450 451 #define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, bpsp) \ 452 snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, bpsp) 453 #define snd_hda_is_supported_format(codec, nid, fmt) \ 454 snd_hdac_is_supported_format(&(codec)->core, nid, fmt) 455 456 extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[]; 457 458 int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec, 459 struct hda_pcm *cpcm); 460 461 /* 462 * Misc 463 */ 464 void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen); 465 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg, 466 unsigned int power_state); 467 468 int snd_hda_lock_devices(struct hda_bus *bus); 469 void snd_hda_unlock_devices(struct hda_bus *bus); 470 void snd_hda_bus_reset(struct hda_bus *bus); 471 void snd_hda_bus_reset_codecs(struct hda_bus *bus); 472 473 int snd_hda_codec_set_name(struct hda_codec *codec, const char *name); 474 475 /* 476 * power management 477 */ 478 extern const struct dev_pm_ops hda_codec_driver_pm; 479 480 static inline 481 int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid) 482 { 483 #ifdef CONFIG_PM 484 if (codec->patch_ops.check_power_status) 485 return codec->patch_ops.check_power_status(codec, nid); 486 #endif 487 return 0; 488 } 489 490 /* 491 * power saving 492 */ 493 #define snd_hda_power_up(codec) snd_hdac_power_up(&(codec)->core) 494 #define snd_hda_power_up_pm(codec) snd_hdac_power_up_pm(&(codec)->core) 495 #define snd_hda_power_down(codec) snd_hdac_power_down(&(codec)->core) 496 #define snd_hda_power_down_pm(codec) snd_hdac_power_down_pm(&(codec)->core) 497 #ifdef CONFIG_PM 498 void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay); 499 void snd_hda_set_power_save(struct hda_bus *bus, int delay); 500 void snd_hda_update_power_acct(struct hda_codec *codec); 501 #else 502 static inline void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay) {} 503 static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {} 504 #endif 505 506 static inline bool hda_codec_need_resume(struct hda_codec *codec) 507 { 508 return !codec->relaxed_resume && codec->jacktbl.used; 509 } 510 511 #ifdef CONFIG_SND_HDA_PATCH_LOADER 512 /* 513 * patch firmware 514 */ 515 int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf); 516 #endif 517 518 #ifdef CONFIG_SND_HDA_DSP_LOADER 519 int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, 520 unsigned int size, 521 struct snd_dma_buffer *bufp); 522 void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start); 523 void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, 524 struct snd_dma_buffer *dmab); 525 #else 526 static inline int 527 snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, 528 unsigned int size, 529 struct snd_dma_buffer *bufp) 530 { 531 return -ENOSYS; 532 } 533 static inline void 534 snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {} 535 static inline void 536 snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, 537 struct snd_dma_buffer *dmab) {} 538 #endif 539 540 #endif /* __SOUND_HDA_CODEC_H */ 541