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/kref.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 needs_damn_long_delay :1; 55 unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */ 56 /* status for codec/controller */ 57 unsigned int shutdown :1; /* being unloaded */ 58 unsigned int response_reset:1; /* controller was reset */ 59 unsigned int in_reset:1; /* during reset operation */ 60 unsigned int no_response_fallback:1; /* don't fallback at RIRB error */ 61 unsigned int bus_probing :1; /* during probing process */ 62 unsigned int keep_power:1; /* keep power up for notification */ 63 64 int primary_dig_out_type; /* primary digital out PCM type */ 65 unsigned int mixer_assigned; /* codec addr for mixer name */ 66 }; 67 68 /* from hdac_bus to hda_bus */ 69 #define to_hda_bus(bus) container_of(bus, struct hda_bus, core) 70 71 /* 72 * codec preset 73 * 74 * Known codecs have the patch to build and set up the controls/PCMs 75 * better than the generic parser. 76 */ 77 typedef int (*hda_codec_patch_t)(struct hda_codec *); 78 79 #define HDA_CODEC_ID_SKIP_PROBE 0x00000001 80 #define HDA_CODEC_ID_GENERIC_HDMI 0x00000101 81 #define HDA_CODEC_ID_GENERIC 0x00000201 82 83 #define HDA_CODEC_REV_ENTRY(_vid, _rev, _name, _patch) \ 84 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ 85 .api_version = HDA_DEV_LEGACY, \ 86 .driver_data = (unsigned long)(_patch) } 87 #define HDA_CODEC_ENTRY(_vid, _name, _patch) \ 88 HDA_CODEC_REV_ENTRY(_vid, 0, _name, _patch) 89 90 struct hda_codec_driver { 91 struct hdac_driver core; 92 const struct hda_device_id *id; 93 }; 94 95 int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name, 96 struct module *owner); 97 #define hda_codec_driver_register(drv) \ 98 __hda_codec_driver_register(drv, KBUILD_MODNAME, THIS_MODULE) 99 void hda_codec_driver_unregister(struct hda_codec_driver *drv); 100 #define module_hda_codec_driver(drv) \ 101 module_driver(drv, hda_codec_driver_register, \ 102 hda_codec_driver_unregister) 103 104 /* ops set by the preset patch */ 105 struct hda_codec_ops { 106 int (*build_controls)(struct hda_codec *codec); 107 int (*build_pcms)(struct hda_codec *codec); 108 int (*init)(struct hda_codec *codec); 109 void (*free)(struct hda_codec *codec); 110 void (*unsol_event)(struct hda_codec *codec, unsigned int res); 111 void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg, 112 unsigned int power_state); 113 #ifdef CONFIG_PM 114 int (*suspend)(struct hda_codec *codec); 115 int (*resume)(struct hda_codec *codec); 116 int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid); 117 #endif 118 void (*reboot_notify)(struct hda_codec *codec); 119 void (*stream_pm)(struct hda_codec *codec, hda_nid_t nid, bool on); 120 }; 121 122 /* PCM callbacks */ 123 struct hda_pcm_ops { 124 int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec, 125 struct snd_pcm_substream *substream); 126 int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec, 127 struct snd_pcm_substream *substream); 128 int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec, 129 unsigned int stream_tag, unsigned int format, 130 struct snd_pcm_substream *substream); 131 int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec, 132 struct snd_pcm_substream *substream); 133 unsigned int (*get_delay)(struct hda_pcm_stream *info, 134 struct hda_codec *codec, 135 struct snd_pcm_substream *substream); 136 }; 137 138 /* PCM information for each substream */ 139 struct hda_pcm_stream { 140 unsigned int substreams; /* number of substreams, 0 = not exist*/ 141 unsigned int channels_min; /* min. number of channels */ 142 unsigned int channels_max; /* max. number of channels */ 143 hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */ 144 u32 rates; /* supported rates */ 145 u64 formats; /* supported formats (SNDRV_PCM_FMTBIT_) */ 146 unsigned int maxbps; /* supported max. bit per sample */ 147 const struct snd_pcm_chmap_elem *chmap; /* chmap to override */ 148 struct hda_pcm_ops ops; 149 }; 150 151 /* PCM types */ 152 enum { 153 HDA_PCM_TYPE_AUDIO, 154 HDA_PCM_TYPE_SPDIF, 155 HDA_PCM_TYPE_HDMI, 156 HDA_PCM_TYPE_MODEM, 157 HDA_PCM_NTYPES 158 }; 159 160 #define SNDRV_PCM_INVALID_DEVICE (-1) 161 /* for PCM creation */ 162 struct hda_pcm { 163 char *name; 164 struct hda_pcm_stream stream[2]; 165 unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */ 166 int device; /* device number to assign */ 167 struct snd_pcm *pcm; /* assigned PCM instance */ 168 bool own_chmap; /* codec driver provides own channel maps */ 169 /* private: */ 170 struct hda_codec *codec; 171 struct kref kref; 172 struct list_head list; 173 }; 174 175 /* codec information */ 176 struct hda_codec { 177 struct hdac_device core; 178 struct hda_bus *bus; 179 struct snd_card *card; 180 unsigned int addr; /* codec addr*/ 181 u32 probe_id; /* overridden id for probing */ 182 183 /* detected preset */ 184 const struct hda_device_id *preset; 185 const char *modelname; /* model name for preset */ 186 187 /* set by patch */ 188 struct hda_codec_ops patch_ops; 189 190 /* PCM to create, set by patch_ops.build_pcms callback */ 191 struct list_head pcm_list_head; 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 *slave_dig_outs; /* optional digital out slave 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 in_freeing:1; /* being released */ 230 unsigned int registered:1; /* codec was registered */ 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 mst_no_extra_pcms:1; /* no backup PCMs for DP-MST */ 258 259 #ifdef CONFIG_PM 260 unsigned long power_on_acct; 261 unsigned long power_off_acct; 262 unsigned long power_jiffies; 263 #endif 264 265 /* filter the requested power state per nid */ 266 unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid, 267 unsigned int power_state); 268 269 /* codec-specific additional proc output */ 270 void (*proc_widget_hook)(struct snd_info_buffer *buffer, 271 struct hda_codec *codec, hda_nid_t nid); 272 273 /* jack detection */ 274 struct snd_array jacktbl; 275 unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */ 276 struct delayed_work jackpoll_work; 277 278 int depop_delay; /* depop delay in ms, -1 for default delay time */ 279 280 /* fix-up list */ 281 int fixup_id; 282 const struct hda_fixup *fixup_list; 283 const char *fixup_name; 284 285 /* additional init verbs */ 286 struct snd_array verbs; 287 }; 288 289 #define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, core.dev) 290 #define hda_codec_dev(_dev) (&(_dev)->core.dev) 291 292 #define list_for_each_codec(c, bus) \ 293 list_for_each_entry(c, &(bus)->core.codec_list, core.list) 294 #define list_for_each_codec_safe(c, n, bus) \ 295 list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list) 296 297 /* snd_hda_codec_read/write optional flags */ 298 #define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0) 299 300 /* 301 * constructors 302 */ 303 int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card, 304 unsigned int codec_addr, struct hda_codec **codecp); 305 int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card, 306 unsigned int codec_addr, struct hda_codec *codec); 307 int snd_hda_codec_configure(struct hda_codec *codec); 308 int snd_hda_codec_update_widgets(struct hda_codec *codec); 309 310 /* 311 * low level functions 312 */ 313 static inline unsigned int 314 snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, 315 int flags, 316 unsigned int verb, unsigned int parm) 317 { 318 return snd_hdac_codec_read(&codec->core, nid, flags, verb, parm); 319 } 320 321 static inline int 322 snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags, 323 unsigned int verb, unsigned int parm) 324 { 325 return snd_hdac_codec_write(&codec->core, nid, flags, verb, parm); 326 } 327 328 #define snd_hda_param_read(codec, nid, param) \ 329 snd_hdac_read_parm(&(codec)->core, nid, param) 330 #define snd_hda_get_sub_nodes(codec, nid, start_nid) \ 331 snd_hdac_get_sub_nodes(&(codec)->core, nid, start_nid) 332 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, 333 hda_nid_t *conn_list, int max_conns); 334 static inline int 335 snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid) 336 { 337 return snd_hda_get_connections(codec, nid, NULL, 0); 338 } 339 340 #define snd_hda_get_raw_connections(codec, nid, list, max_conns) \ 341 snd_hdac_get_connections(&(codec)->core, nid, list, max_conns) 342 #define snd_hda_get_num_raw_conns(codec, nid) \ 343 snd_hdac_get_connections(&(codec)->core, nid, NULL, 0); 344 345 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid, 346 const hda_nid_t **listp); 347 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums, 348 const hda_nid_t *list); 349 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux, 350 hda_nid_t nid, int recursive); 351 unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid); 352 int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid, 353 u8 *dev_list, int max_devices); 354 int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid); 355 int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id); 356 357 struct hda_verb { 358 hda_nid_t nid; 359 u32 verb; 360 u32 param; 361 }; 362 363 void snd_hda_sequence_write(struct hda_codec *codec, 364 const struct hda_verb *seq); 365 366 /* unsolicited event */ 367 static inline void 368 snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex) 369 { 370 snd_hdac_bus_queue_event(&bus->core, res, res_ex); 371 } 372 373 /* cached write */ 374 static inline int 375 snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, 376 int flags, unsigned int verb, unsigned int parm) 377 { 378 return snd_hdac_regmap_write(&codec->core, nid, verb, parm); 379 } 380 381 /* the struct for codec->pin_configs */ 382 struct hda_pincfg { 383 hda_nid_t nid; 384 unsigned char ctrl; /* original pin control value */ 385 unsigned char target; /* target pin control value */ 386 unsigned int cfg; /* default configuration */ 387 }; 388 389 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid); 390 int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid, 391 unsigned int cfg); 392 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list, 393 hda_nid_t nid, unsigned int cfg); /* for hwdep */ 394 void snd_hda_shutup_pins(struct hda_codec *codec); 395 396 /* SPDIF controls */ 397 struct hda_spdif_out { 398 hda_nid_t nid; /* Converter nid values relate to */ 399 unsigned int status; /* IEC958 status bits */ 400 unsigned short ctls; /* SPDIF control bits */ 401 }; 402 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec, 403 hda_nid_t nid); 404 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx); 405 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid); 406 407 /* 408 * Mixer 409 */ 410 int snd_hda_codec_build_controls(struct hda_codec *codec); 411 412 /* 413 * PCM 414 */ 415 int snd_hda_codec_parse_pcms(struct hda_codec *codec); 416 int snd_hda_codec_build_pcms(struct hda_codec *codec); 417 418 __printf(2, 3) 419 struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec, 420 const char *fmt, ...); 421 422 static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm) 423 { 424 kref_get(&pcm->kref); 425 } 426 void snd_hda_codec_pcm_put(struct hda_pcm *pcm); 427 428 int snd_hda_codec_prepare(struct hda_codec *codec, 429 struct hda_pcm_stream *hinfo, 430 unsigned int stream, 431 unsigned int format, 432 struct snd_pcm_substream *substream); 433 void snd_hda_codec_cleanup(struct hda_codec *codec, 434 struct hda_pcm_stream *hinfo, 435 struct snd_pcm_substream *substream); 436 437 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, 438 u32 stream_tag, 439 int channel_id, int format); 440 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid, 441 int do_now); 442 #define snd_hda_codec_cleanup_stream(codec, nid) \ 443 __snd_hda_codec_cleanup_stream(codec, nid, 0) 444 445 #define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, bpsp) \ 446 snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, bpsp) 447 #define snd_hda_is_supported_format(codec, nid, fmt) \ 448 snd_hdac_is_supported_format(&(codec)->core, nid, fmt) 449 450 extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[]; 451 452 int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec, 453 struct hda_pcm *cpcm); 454 455 /* 456 * Misc 457 */ 458 void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen); 459 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg, 460 unsigned int power_state); 461 462 int snd_hda_lock_devices(struct hda_bus *bus); 463 void snd_hda_unlock_devices(struct hda_bus *bus); 464 void snd_hda_bus_reset(struct hda_bus *bus); 465 void snd_hda_bus_reset_codecs(struct hda_bus *bus); 466 467 int snd_hda_codec_set_name(struct hda_codec *codec, const char *name); 468 469 /* 470 * power management 471 */ 472 extern const struct dev_pm_ops hda_codec_driver_pm; 473 474 static inline 475 int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid) 476 { 477 #ifdef CONFIG_PM 478 if (codec->patch_ops.check_power_status) 479 return codec->patch_ops.check_power_status(codec, nid); 480 #endif 481 return 0; 482 } 483 484 /* 485 * power saving 486 */ 487 #define snd_hda_power_up(codec) snd_hdac_power_up(&(codec)->core) 488 #define snd_hda_power_up_pm(codec) snd_hdac_power_up_pm(&(codec)->core) 489 #define snd_hda_power_down(codec) snd_hdac_power_down(&(codec)->core) 490 #define snd_hda_power_down_pm(codec) snd_hdac_power_down_pm(&(codec)->core) 491 #ifdef CONFIG_PM 492 void snd_hda_set_power_save(struct hda_bus *bus, int delay); 493 void snd_hda_update_power_acct(struct hda_codec *codec); 494 #else 495 static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {} 496 #endif 497 498 #ifdef CONFIG_SND_HDA_PATCH_LOADER 499 /* 500 * patch firmware 501 */ 502 int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf); 503 #endif 504 505 #ifdef CONFIG_SND_HDA_DSP_LOADER 506 int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, 507 unsigned int size, 508 struct snd_dma_buffer *bufp); 509 void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start); 510 void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, 511 struct snd_dma_buffer *dmab); 512 #else 513 static inline int 514 snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, 515 unsigned int size, 516 struct snd_dma_buffer *bufp) 517 { 518 return -ENOSYS; 519 } 520 static inline void 521 snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {} 522 static inline void 523 snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, 524 struct snd_dma_buffer *dmab) {} 525 #endif 526 527 #endif /* __SOUND_HDA_CODEC_H */ 528