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 #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) 22 #define IS_CFL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa348) 23 24 /* 25 * Structures 26 */ 27 28 struct hda_bus; 29 struct hda_beep; 30 struct hda_codec; 31 struct hda_pcm; 32 struct hda_pcm_stream; 33 34 /* 35 * codec bus 36 * 37 * each controller needs to creata a hda_bus to assign the accessor. 38 * A hda_bus contains several codecs in the list codec_list. 39 */ 40 struct hda_bus { 41 struct hdac_bus core; 42 43 struct snd_card *card; 44 45 struct pci_dev *pci; 46 const char *modelname; 47 48 struct mutex prepare_mutex; 49 50 /* assigned PCMs */ 51 DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES); 52 53 /* misc op flags */ 54 unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */ 55 /* status for codec/controller */ 56 unsigned int shutdown :1; /* being unloaded */ 57 unsigned int response_reset:1; /* controller was reset */ 58 unsigned int in_reset:1; /* during reset operation */ 59 unsigned int no_response_fallback:1; /* don't fallback at RIRB error */ 60 unsigned int bus_probing :1; /* during probing process */ 61 unsigned int keep_power:1; /* keep power up for notification */ 62 unsigned int jackpoll_in_suspend:1; /* keep jack polling during 63 * runtime suspend 64 */ 65 66 int primary_dig_out_type; /* primary digital out PCM type */ 67 unsigned int mixer_assigned; /* codec addr for mixer name */ 68 }; 69 70 /* from hdac_bus to hda_bus */ 71 #define to_hda_bus(bus) container_of(bus, struct hda_bus, core) 72 73 /* 74 * codec preset 75 * 76 * Known codecs have the patch to build and set up the controls/PCMs 77 * better than the generic parser. 78 */ 79 typedef int (*hda_codec_patch_t)(struct hda_codec *); 80 81 #define HDA_CODEC_ID_SKIP_PROBE 0x00000001 82 #define HDA_CODEC_ID_GENERIC_HDMI 0x00000101 83 #define HDA_CODEC_ID_GENERIC 0x00000201 84 85 #define HDA_CODEC_REV_ENTRY(_vid, _rev, _name, _patch) \ 86 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ 87 .api_version = HDA_DEV_LEGACY, \ 88 .driver_data = (unsigned long)(_patch) } 89 #define HDA_CODEC_ENTRY(_vid, _name, _patch) \ 90 HDA_CODEC_REV_ENTRY(_vid, 0, _name, _patch) 91 92 struct hda_codec_driver { 93 struct hdac_driver core; 94 const struct hda_device_id *id; 95 }; 96 97 int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name, 98 struct module *owner); 99 #define hda_codec_driver_register(drv) \ 100 __hda_codec_driver_register(drv, KBUILD_MODNAME, THIS_MODULE) 101 void hda_codec_driver_unregister(struct hda_codec_driver *drv); 102 #define module_hda_codec_driver(drv) \ 103 module_driver(drv, hda_codec_driver_register, \ 104 hda_codec_driver_unregister) 105 106 /* ops set by the preset patch */ 107 struct hda_codec_ops { 108 int (*build_controls)(struct hda_codec *codec); 109 int (*build_pcms)(struct hda_codec *codec); 110 int (*init)(struct hda_codec *codec); 111 void (*free)(struct hda_codec *codec); 112 void (*unsol_event)(struct hda_codec *codec, unsigned int res); 113 void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg, 114 unsigned int power_state); 115 #ifdef CONFIG_PM 116 int (*suspend)(struct hda_codec *codec); 117 int (*resume)(struct hda_codec *codec); 118 int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid); 119 #endif 120 void (*stream_pm)(struct hda_codec *codec, hda_nid_t nid, bool on); 121 }; 122 123 /* PCM callbacks */ 124 struct hda_pcm_ops { 125 int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec, 126 struct snd_pcm_substream *substream); 127 int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec, 128 struct snd_pcm_substream *substream); 129 int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec, 130 unsigned int stream_tag, unsigned int format, 131 struct snd_pcm_substream *substream); 132 int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec, 133 struct snd_pcm_substream *substream); 134 unsigned int (*get_delay)(struct hda_pcm_stream *info, 135 struct hda_codec *codec, 136 struct snd_pcm_substream *substream); 137 }; 138 139 /* PCM information for each substream */ 140 struct hda_pcm_stream { 141 unsigned int substreams; /* number of substreams, 0 = not exist*/ 142 unsigned int channels_min; /* min. number of channels */ 143 unsigned int channels_max; /* max. number of channels */ 144 hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */ 145 u32 rates; /* supported rates */ 146 u64 formats; /* supported formats (SNDRV_PCM_FMTBIT_) */ 147 unsigned int maxbps; /* supported max. bit per sample */ 148 const struct snd_pcm_chmap_elem *chmap; /* chmap to override */ 149 struct hda_pcm_ops ops; 150 }; 151 152 /* PCM types */ 153 enum { 154 HDA_PCM_TYPE_AUDIO, 155 HDA_PCM_TYPE_SPDIF, 156 HDA_PCM_TYPE_HDMI, 157 HDA_PCM_TYPE_MODEM, 158 HDA_PCM_NTYPES 159 }; 160 161 #define SNDRV_PCM_INVALID_DEVICE (-1) 162 /* for PCM creation */ 163 struct hda_pcm { 164 char *name; 165 struct hda_pcm_stream stream[2]; 166 unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */ 167 int device; /* device number to assign */ 168 struct snd_pcm *pcm; /* assigned PCM instance */ 169 bool own_chmap; /* codec driver provides own channel maps */ 170 /* private: */ 171 struct hda_codec *codec; 172 struct list_head list; 173 unsigned int disconnected:1; 174 }; 175 176 /* codec information */ 177 struct hda_codec { 178 struct hdac_device core; 179 struct hda_bus *bus; 180 struct snd_card *card; 181 unsigned int addr; /* codec addr*/ 182 u32 probe_id; /* overridden id for probing */ 183 184 /* detected preset */ 185 const struct hda_device_id *preset; 186 const char *modelname; /* model name for preset */ 187 188 /* set by patch */ 189 struct hda_codec_ops patch_ops; 190 191 /* PCM to create, set by patch_ops.build_pcms callback */ 192 struct list_head pcm_list_head; 193 refcount_t pcm_ref; 194 wait_queue_head_t remove_sleep; 195 196 /* codec specific info */ 197 void *spec; 198 199 /* beep device */ 200 struct hda_beep *beep; 201 unsigned int beep_mode; 202 203 /* widget capabilities cache */ 204 u32 *wcaps; 205 206 struct snd_array mixers; /* list of assigned mixer elements */ 207 struct snd_array nids; /* list of mapped mixer elements */ 208 209 struct list_head conn_list; /* linked-list of connection-list */ 210 211 struct mutex spdif_mutex; 212 struct mutex control_mutex; 213 struct snd_array spdif_out; 214 unsigned int spdif_in_enable; /* SPDIF input enable? */ 215 const hda_nid_t *follower_dig_outs; /* optional digital out follower widgets */ 216 struct snd_array init_pins; /* initial (BIOS) pin configurations */ 217 struct snd_array driver_pins; /* pin configs set by codec parser */ 218 struct snd_array cvt_setups; /* audio convert setups */ 219 220 struct mutex user_mutex; 221 #ifdef CONFIG_SND_HDA_RECONFIG 222 struct snd_array init_verbs; /* additional init verbs */ 223 struct snd_array hints; /* additional hints */ 224 struct snd_array user_pins; /* default pin configs to override */ 225 #endif 226 227 #ifdef CONFIG_SND_HDA_HWDEP 228 struct snd_hwdep *hwdep; /* assigned hwdep device */ 229 #endif 230 231 /* misc flags */ 232 unsigned int configured:1; /* codec was configured */ 233 unsigned int in_freeing:1; /* being released */ 234 unsigned int display_power_control:1; /* needs display power */ 235 unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each 236 * status change 237 * (e.g. Realtek codecs) 238 */ 239 unsigned int pin_amp_workaround:1; /* pin out-amp takes index 240 * (e.g. Conexant codecs) 241 */ 242 unsigned int single_adc_amp:1; /* adc in-amp takes no index 243 * (e.g. CX20549 codec) 244 */ 245 unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */ 246 unsigned int pins_shutup:1; /* pins are shut up */ 247 unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */ 248 unsigned int no_jack_detect:1; /* Machine has no jack-detection */ 249 unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */ 250 unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */ 251 unsigned int pcm_format_first:1; /* PCM format must be set first */ 252 unsigned int cached_write:1; /* write only to caches */ 253 unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */ 254 unsigned int dump_coef:1; /* dump processing coefs in codec proc file */ 255 unsigned int power_save_node:1; /* advanced PM for each widget */ 256 unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */ 257 unsigned int force_pin_prefix:1; /* Add location prefix */ 258 unsigned int link_down_at_suspend:1; /* link down at runtime suspend */ 259 unsigned int relaxed_resume:1; /* don't resume forcibly for jack */ 260 unsigned int forced_resume:1; /* forced resume for jack */ 261 unsigned int no_stream_clean_at_suspend:1; /* do not clean streams at suspend */ 262 unsigned int ctl_dev_id:1; /* old control element id build behaviour */ 263 264 #ifdef CONFIG_PM 265 unsigned long power_on_acct; 266 unsigned long power_off_acct; 267 unsigned long power_jiffies; 268 #endif 269 270 /* filter the requested power state per nid */ 271 unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid, 272 unsigned int power_state); 273 274 /* codec-specific additional proc output */ 275 void (*proc_widget_hook)(struct snd_info_buffer *buffer, 276 struct hda_codec *codec, hda_nid_t nid); 277 278 /* jack detection */ 279 struct snd_array jacktbl; 280 unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */ 281 struct delayed_work jackpoll_work; 282 283 int depop_delay; /* depop delay in ms, -1 for default delay time */ 284 285 /* fix-up list */ 286 int fixup_id; 287 const struct hda_fixup *fixup_list; 288 const char *fixup_name; 289 290 /* additional init verbs */ 291 struct snd_array verbs; 292 }; 293 294 #define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, core.dev) 295 #define hda_codec_dev(_dev) (&(_dev)->core.dev) 296 297 #define hdac_to_hda_codec(_hdac) container_of(_hdac, struct hda_codec, core) 298 299 #define list_for_each_codec(c, bus) \ 300 list_for_each_entry(c, &(bus)->core.codec_list, core.list) 301 #define list_for_each_codec_safe(c, n, bus) \ 302 list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list) 303 304 /* snd_hda_codec_read/write optional flags */ 305 #define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0) 306 307 /* 308 * constructors 309 */ 310 __printf(3, 4) struct hda_codec * 311 snd_hda_codec_device_init(struct hda_bus *bus, unsigned int codec_addr, 312 const char *fmt, ...); 313 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card, 314 unsigned int codec_addr, struct hda_codec **codecp); 315 int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card, 316 unsigned int codec_addr, struct hda_codec *codec, 317 bool snddev_managed); 318 int snd_hda_codec_configure(struct hda_codec *codec); 319 int snd_hda_codec_update_widgets(struct hda_codec *codec); 320 void snd_hda_codec_register(struct hda_codec *codec); 321 void snd_hda_codec_unregister(struct hda_codec *codec); 322 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec); 323 324 /* 325 * low level functions 326 */ 327 static inline unsigned int 328 snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, 329 int flags, 330 unsigned int verb, unsigned int parm) 331 { 332 return snd_hdac_codec_read(&codec->core, nid, flags, verb, parm); 333 } 334 335 static inline int 336 snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags, 337 unsigned int verb, unsigned int parm) 338 { 339 return snd_hdac_codec_write(&codec->core, nid, flags, verb, parm); 340 } 341 342 #define snd_hda_param_read(codec, nid, param) \ 343 snd_hdac_read_parm(&(codec)->core, nid, param) 344 #define snd_hda_get_sub_nodes(codec, nid, start_nid) \ 345 snd_hdac_get_sub_nodes(&(codec)->core, nid, start_nid) 346 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, 347 hda_nid_t *conn_list, int max_conns); 348 static inline int 349 snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid) 350 { 351 return snd_hda_get_connections(codec, nid, NULL, 0); 352 } 353 354 #define snd_hda_get_raw_connections(codec, nid, list, max_conns) \ 355 snd_hdac_get_connections(&(codec)->core, nid, list, max_conns) 356 #define snd_hda_get_num_raw_conns(codec, nid) \ 357 snd_hdac_get_connections(&(codec)->core, nid, NULL, 0) 358 359 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid, 360 const hda_nid_t **listp); 361 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums, 362 const hda_nid_t *list); 363 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux, 364 hda_nid_t nid, int recursive); 365 unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid); 366 int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid, 367 u8 *dev_list, int max_devices); 368 int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid); 369 int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id); 370 371 struct hda_verb { 372 hda_nid_t nid; 373 u32 verb; 374 u32 param; 375 }; 376 377 void snd_hda_sequence_write(struct hda_codec *codec, 378 const struct hda_verb *seq); 379 380 /* cached write */ 381 static inline int 382 snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, 383 int flags, unsigned int verb, unsigned int parm) 384 { 385 return snd_hdac_regmap_write(&codec->core, nid, verb, parm); 386 } 387 388 /* the struct for codec->pin_configs */ 389 struct hda_pincfg { 390 hda_nid_t nid; 391 unsigned char ctrl; /* original pin control value */ 392 unsigned char target; /* target pin control value */ 393 unsigned int cfg; /* default configuration */ 394 }; 395 396 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid); 397 int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid, 398 unsigned int cfg); 399 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list, 400 hda_nid_t nid, unsigned int cfg); /* for hwdep */ 401 void snd_hda_shutup_pins(struct hda_codec *codec); 402 403 /* SPDIF controls */ 404 struct hda_spdif_out { 405 hda_nid_t nid; /* Converter nid values relate to */ 406 unsigned int status; /* IEC958 status bits */ 407 unsigned short ctls; /* SPDIF control bits */ 408 }; 409 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec, 410 hda_nid_t nid); 411 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx); 412 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid); 413 414 /* 415 * Mixer 416 */ 417 int snd_hda_codec_build_controls(struct hda_codec *codec); 418 419 /* 420 * PCM 421 */ 422 int snd_hda_codec_parse_pcms(struct hda_codec *codec); 423 int snd_hda_codec_build_pcms(struct hda_codec *codec); 424 425 __printf(2, 3) 426 struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec, 427 const char *fmt, ...); 428 429 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec); 430 431 static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm) 432 { 433 refcount_inc(&pcm->codec->pcm_ref); 434 } 435 void snd_hda_codec_pcm_put(struct hda_pcm *pcm); 436 437 int snd_hda_codec_prepare(struct hda_codec *codec, 438 struct hda_pcm_stream *hinfo, 439 unsigned int stream, 440 unsigned int format, 441 struct snd_pcm_substream *substream); 442 void snd_hda_codec_cleanup(struct hda_codec *codec, 443 struct hda_pcm_stream *hinfo, 444 struct snd_pcm_substream *substream); 445 446 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, 447 u32 stream_tag, 448 int channel_id, int format); 449 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid, 450 int do_now); 451 #define snd_hda_codec_cleanup_stream(codec, nid) \ 452 __snd_hda_codec_cleanup_stream(codec, nid, 0) 453 454 #define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, bpsp) \ 455 snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, bpsp) 456 #define snd_hda_is_supported_format(codec, nid, fmt) \ 457 snd_hdac_is_supported_format(&(codec)->core, nid, fmt) 458 459 extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[]; 460 461 int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec, 462 struct hda_pcm *cpcm); 463 464 /* 465 * Misc 466 */ 467 void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen); 468 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg, 469 unsigned int power_state); 470 471 int snd_hda_lock_devices(struct hda_bus *bus); 472 void snd_hda_unlock_devices(struct hda_bus *bus); 473 void snd_hda_bus_reset(struct hda_bus *bus); 474 void snd_hda_bus_reset_codecs(struct hda_bus *bus); 475 476 int snd_hda_codec_set_name(struct hda_codec *codec, const char *name); 477 478 /* 479 * power management 480 */ 481 extern const struct dev_pm_ops hda_codec_driver_pm; 482 483 static inline 484 int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid) 485 { 486 #ifdef CONFIG_PM 487 if (codec->patch_ops.check_power_status) 488 return codec->patch_ops.check_power_status(codec, nid); 489 #endif 490 return 0; 491 } 492 493 /* 494 * power saving 495 */ 496 #define snd_hda_power_up(codec) snd_hdac_power_up(&(codec)->core) 497 #define snd_hda_power_up_pm(codec) snd_hdac_power_up_pm(&(codec)->core) 498 #define snd_hda_power_down(codec) snd_hdac_power_down(&(codec)->core) 499 #define snd_hda_power_down_pm(codec) snd_hdac_power_down_pm(&(codec)->core) 500 #ifdef CONFIG_PM 501 void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay); 502 void snd_hda_set_power_save(struct hda_bus *bus, int delay); 503 void snd_hda_update_power_acct(struct hda_codec *codec); 504 #else 505 static inline void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay) {} 506 static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {} 507 #endif 508 509 static inline bool hda_codec_need_resume(struct hda_codec *codec) 510 { 511 return !codec->relaxed_resume && codec->jacktbl.used; 512 } 513 514 #ifdef CONFIG_SND_HDA_PATCH_LOADER 515 /* 516 * patch firmware 517 */ 518 int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf); 519 #endif 520 521 #ifdef CONFIG_SND_HDA_DSP_LOADER 522 int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, 523 unsigned int size, 524 struct snd_dma_buffer *bufp); 525 void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start); 526 void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, 527 struct snd_dma_buffer *dmab); 528 #else 529 static inline int 530 snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, 531 unsigned int size, 532 struct snd_dma_buffer *bufp) 533 { 534 return -ENOSYS; 535 } 536 static inline void 537 snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {} 538 static inline void 539 snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, 540 struct snd_dma_buffer *dmab) {} 541 #endif 542 543 #endif /* __SOUND_HDA_CODEC_H */ 544