1 /* 2 * Universal Interface for Intel High Definition Audio Codec 3 * 4 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the Free 8 * Software Foundation; either version 2 of the License, or (at your option) 9 * any later version. 10 * 11 * This program is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 14 * more details. 15 * 16 * You should have received a copy of the GNU General Public License along with 17 * this program; if not, write to the Free Software Foundation, Inc., 59 18 * Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19 */ 20 21 #ifndef __SOUND_HDA_CODEC_H 22 #define __SOUND_HDA_CODEC_H 23 24 #include <linux/kref.h> 25 #include <linux/mod_devicetable.h> 26 #include <sound/info.h> 27 #include <sound/control.h> 28 #include <sound/pcm.h> 29 #include <sound/hwdep.h> 30 #include <sound/hdaudio.h> 31 #include <sound/hda_verbs.h> 32 #include <sound/hda_regmap.h> 33 34 /* 35 * Structures 36 */ 37 38 struct hda_bus; 39 struct hda_beep; 40 struct hda_codec; 41 struct hda_pcm; 42 struct hda_pcm_stream; 43 44 /* 45 * codec bus 46 * 47 * each controller needs to creata a hda_bus to assign the accessor. 48 * A hda_bus contains several codecs in the list codec_list. 49 */ 50 struct hda_bus { 51 struct hdac_bus core; 52 53 struct snd_card *card; 54 55 struct pci_dev *pci; 56 const char *modelname; 57 58 struct mutex prepare_mutex; 59 60 /* assigned PCMs */ 61 DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES); 62 63 /* misc op flags */ 64 unsigned int needs_damn_long_delay :1; 65 unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */ 66 /* status for codec/controller */ 67 unsigned int shutdown :1; /* being unloaded */ 68 unsigned int response_reset:1; /* controller was reset */ 69 unsigned int in_reset:1; /* during reset operation */ 70 unsigned int no_response_fallback:1; /* don't fallback at RIRB error */ 71 72 int primary_dig_out_type; /* primary digital out PCM type */ 73 unsigned int mixer_assigned; /* codec addr for mixer name */ 74 }; 75 76 /* from hdac_bus to hda_bus */ 77 #define to_hda_bus(bus) container_of(bus, struct hda_bus, core) 78 79 /* 80 * codec preset 81 * 82 * Known codecs have the patch to build and set up the controls/PCMs 83 * better than the generic parser. 84 */ 85 typedef int (*hda_codec_patch_t)(struct hda_codec *); 86 87 #define HDA_CODEC_ID_SKIP_PROBE 0x00000001 88 #define HDA_CODEC_ID_GENERIC_HDMI 0x00000101 89 #define HDA_CODEC_ID_GENERIC 0x00000201 90 91 #define HDA_CODEC_REV_ENTRY(_vid, _rev, _name, _patch) \ 92 { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ 93 .api_version = HDA_DEV_LEGACY, \ 94 .driver_data = (unsigned long)(_patch) } 95 #define HDA_CODEC_ENTRY(_vid, _name, _patch) \ 96 HDA_CODEC_REV_ENTRY(_vid, 0, _name, _patch) 97 98 struct hda_codec_driver { 99 struct hdac_driver core; 100 const struct hda_device_id *id; 101 }; 102 103 int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name, 104 struct module *owner); 105 #define hda_codec_driver_register(drv) \ 106 __hda_codec_driver_register(drv, KBUILD_MODNAME, THIS_MODULE) 107 void hda_codec_driver_unregister(struct hda_codec_driver *drv); 108 #define module_hda_codec_driver(drv) \ 109 module_driver(drv, hda_codec_driver_register, \ 110 hda_codec_driver_unregister) 111 112 /* ops set by the preset patch */ 113 struct hda_codec_ops { 114 int (*build_controls)(struct hda_codec *codec); 115 int (*build_pcms)(struct hda_codec *codec); 116 int (*init)(struct hda_codec *codec); 117 void (*free)(struct hda_codec *codec); 118 void (*unsol_event)(struct hda_codec *codec, unsigned int res); 119 void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg, 120 unsigned int power_state); 121 #ifdef CONFIG_PM 122 int (*suspend)(struct hda_codec *codec); 123 int (*resume)(struct hda_codec *codec); 124 int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid); 125 #endif 126 void (*reboot_notify)(struct hda_codec *codec); 127 void (*stream_pm)(struct hda_codec *codec, hda_nid_t nid, bool on); 128 }; 129 130 /* PCM callbacks */ 131 struct hda_pcm_ops { 132 int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec, 133 struct snd_pcm_substream *substream); 134 int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec, 135 struct snd_pcm_substream *substream); 136 int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec, 137 unsigned int stream_tag, unsigned int format, 138 struct snd_pcm_substream *substream); 139 int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec, 140 struct snd_pcm_substream *substream); 141 unsigned int (*get_delay)(struct hda_pcm_stream *info, 142 struct hda_codec *codec, 143 struct snd_pcm_substream *substream); 144 }; 145 146 /* PCM information for each substream */ 147 struct hda_pcm_stream { 148 unsigned int substreams; /* number of substreams, 0 = not exist*/ 149 unsigned int channels_min; /* min. number of channels */ 150 unsigned int channels_max; /* max. number of channels */ 151 hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */ 152 u32 rates; /* supported rates */ 153 u64 formats; /* supported formats (SNDRV_PCM_FMTBIT_) */ 154 unsigned int maxbps; /* supported max. bit per sample */ 155 const struct snd_pcm_chmap_elem *chmap; /* chmap to override */ 156 struct hda_pcm_ops ops; 157 }; 158 159 /* PCM types */ 160 enum { 161 HDA_PCM_TYPE_AUDIO, 162 HDA_PCM_TYPE_SPDIF, 163 HDA_PCM_TYPE_HDMI, 164 HDA_PCM_TYPE_MODEM, 165 HDA_PCM_NTYPES 166 }; 167 168 #define SNDRV_PCM_INVALID_DEVICE (-1) 169 /* for PCM creation */ 170 struct hda_pcm { 171 char *name; 172 struct hda_pcm_stream stream[2]; 173 unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */ 174 int device; /* device number to assign */ 175 struct snd_pcm *pcm; /* assigned PCM instance */ 176 bool own_chmap; /* codec driver provides own channel maps */ 177 /* private: */ 178 struct hda_codec *codec; 179 struct kref kref; 180 struct list_head list; 181 }; 182 183 /* codec information */ 184 struct hda_codec { 185 struct hdac_device core; 186 struct hda_bus *bus; 187 struct snd_card *card; 188 unsigned int addr; /* codec addr*/ 189 u32 probe_id; /* overridden id for probing */ 190 191 /* detected preset */ 192 const struct hda_device_id *preset; 193 const char *modelname; /* model name for preset */ 194 195 /* set by patch */ 196 struct hda_codec_ops patch_ops; 197 198 /* PCM to create, set by patch_ops.build_pcms callback */ 199 struct list_head pcm_list_head; 200 201 /* codec specific info */ 202 void *spec; 203 204 /* beep device */ 205 struct hda_beep *beep; 206 unsigned int beep_mode; 207 208 /* widget capabilities cache */ 209 u32 *wcaps; 210 211 struct snd_array mixers; /* list of assigned mixer elements */ 212 struct snd_array nids; /* list of mapped mixer elements */ 213 214 struct list_head conn_list; /* linked-list of connection-list */ 215 216 struct mutex spdif_mutex; 217 struct mutex control_mutex; 218 struct snd_array spdif_out; 219 unsigned int spdif_in_enable; /* SPDIF input enable? */ 220 const hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */ 221 struct snd_array init_pins; /* initial (BIOS) pin configurations */ 222 struct snd_array driver_pins; /* pin configs set by codec parser */ 223 struct snd_array cvt_setups; /* audio convert setups */ 224 225 struct mutex user_mutex; 226 #ifdef CONFIG_SND_HDA_RECONFIG 227 struct snd_array init_verbs; /* additional init verbs */ 228 struct snd_array hints; /* additional hints */ 229 struct snd_array user_pins; /* default pin configs to override */ 230 #endif 231 232 #ifdef CONFIG_SND_HDA_HWDEP 233 struct snd_hwdep *hwdep; /* assigned hwdep device */ 234 #endif 235 236 /* misc flags */ 237 unsigned int in_freeing:1; /* being released */ 238 unsigned int registered:1; /* codec was registered */ 239 unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each 240 * status change 241 * (e.g. Realtek codecs) 242 */ 243 unsigned int pin_amp_workaround:1; /* pin out-amp takes index 244 * (e.g. Conexant codecs) 245 */ 246 unsigned int single_adc_amp:1; /* adc in-amp takes no index 247 * (e.g. CX20549 codec) 248 */ 249 unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */ 250 unsigned int pins_shutup:1; /* pins are shut up */ 251 unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */ 252 unsigned int no_jack_detect:1; /* Machine has no jack-detection */ 253 unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */ 254 unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */ 255 unsigned int pcm_format_first:1; /* PCM format must be set first */ 256 unsigned int cached_write:1; /* write only to caches */ 257 unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */ 258 unsigned int dump_coef:1; /* dump processing coefs in codec proc file */ 259 unsigned int power_save_node:1; /* advanced PM for each widget */ 260 unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */ 261 unsigned int force_pin_prefix:1; /* Add location prefix */ 262 unsigned int link_down_at_suspend:1; /* link down at runtime suspend */ 263 #ifdef CONFIG_PM 264 unsigned long power_on_acct; 265 unsigned long power_off_acct; 266 unsigned long power_jiffies; 267 #endif 268 269 /* filter the requested power state per nid */ 270 unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid, 271 unsigned int power_state); 272 273 /* codec-specific additional proc output */ 274 void (*proc_widget_hook)(struct snd_info_buffer *buffer, 275 struct hda_codec *codec, hda_nid_t nid); 276 277 /* jack detection */ 278 struct snd_array jacktbl; 279 unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */ 280 struct delayed_work jackpoll_work; 281 282 /* jack detection */ 283 struct snd_array jacks; 284 285 int depop_delay; /* depop delay in ms, -1 for default delay time */ 286 287 /* fix-up list */ 288 int fixup_id; 289 const struct hda_fixup *fixup_list; 290 const char *fixup_name; 291 292 /* additional init verbs */ 293 struct snd_array verbs; 294 }; 295 296 #define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, core.dev) 297 #define hda_codec_dev(_dev) (&(_dev)->core.dev) 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 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 int snd_hda_codec_configure(struct hda_codec *codec); 315 int snd_hda_codec_update_widgets(struct hda_codec *codec); 316 317 /* 318 * low level functions 319 */ 320 static inline unsigned int 321 snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, 322 int flags, 323 unsigned int verb, unsigned int parm) 324 { 325 return snd_hdac_codec_read(&codec->core, nid, flags, verb, parm); 326 } 327 328 static inline int 329 snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags, 330 unsigned int verb, unsigned int parm) 331 { 332 return snd_hdac_codec_write(&codec->core, nid, flags, verb, parm); 333 } 334 335 #define snd_hda_param_read(codec, nid, param) \ 336 snd_hdac_read_parm(&(codec)->core, nid, param) 337 #define snd_hda_get_sub_nodes(codec, nid, start_nid) \ 338 snd_hdac_get_sub_nodes(&(codec)->core, nid, start_nid) 339 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, 340 hda_nid_t *conn_list, int max_conns); 341 static inline int 342 snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid) 343 { 344 return snd_hda_get_connections(codec, nid, NULL, 0); 345 } 346 347 #define snd_hda_get_raw_connections(codec, nid, list, max_conns) \ 348 snd_hdac_get_connections(&(codec)->core, nid, list, max_conns) 349 #define snd_hda_get_num_raw_conns(codec, nid) \ 350 snd_hdac_get_connections(&(codec)->core, nid, NULL, 0); 351 352 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid, 353 const hda_nid_t **listp); 354 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums, 355 const hda_nid_t *list); 356 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux, 357 hda_nid_t nid, int recursive); 358 unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid); 359 int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid, 360 u8 *dev_list, int max_devices); 361 int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid); 362 int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id); 363 364 struct hda_verb { 365 hda_nid_t nid; 366 u32 verb; 367 u32 param; 368 }; 369 370 void snd_hda_sequence_write(struct hda_codec *codec, 371 const struct hda_verb *seq); 372 373 /* unsolicited event */ 374 static inline void 375 snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex) 376 { 377 snd_hdac_bus_queue_event(&bus->core, res, res_ex); 378 } 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 static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm) 430 { 431 kref_get(&pcm->kref); 432 } 433 void snd_hda_codec_pcm_put(struct hda_pcm *pcm); 434 435 int snd_hda_codec_prepare(struct hda_codec *codec, 436 struct hda_pcm_stream *hinfo, 437 unsigned int stream, 438 unsigned int format, 439 struct snd_pcm_substream *substream); 440 void snd_hda_codec_cleanup(struct hda_codec *codec, 441 struct hda_pcm_stream *hinfo, 442 struct snd_pcm_substream *substream); 443 444 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, 445 u32 stream_tag, 446 int channel_id, int format); 447 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid, 448 int do_now); 449 #define snd_hda_codec_cleanup_stream(codec, nid) \ 450 __snd_hda_codec_cleanup_stream(codec, nid, 0) 451 452 #define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, bpsp) \ 453 snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, bpsp) 454 #define snd_hda_is_supported_format(codec, nid, fmt) \ 455 snd_hdac_is_supported_format(&(codec)->core, nid, fmt) 456 457 extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[]; 458 459 int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec, 460 struct hda_pcm *cpcm); 461 462 /* 463 * Misc 464 */ 465 void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen); 466 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg, 467 unsigned int power_state); 468 469 int snd_hda_lock_devices(struct hda_bus *bus); 470 void snd_hda_unlock_devices(struct hda_bus *bus); 471 void snd_hda_bus_reset(struct hda_bus *bus); 472 void snd_hda_bus_reset_codecs(struct hda_bus *bus); 473 474 int snd_hda_codec_set_name(struct hda_codec *codec, const char *name); 475 476 /* 477 * power management 478 */ 479 extern const struct dev_pm_ops hda_codec_driver_pm; 480 481 static inline 482 int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid) 483 { 484 #ifdef CONFIG_PM 485 if (codec->patch_ops.check_power_status) 486 return codec->patch_ops.check_power_status(codec, nid); 487 #endif 488 return 0; 489 } 490 491 /* 492 * power saving 493 */ 494 #define snd_hda_power_up(codec) snd_hdac_power_up(&(codec)->core) 495 #define snd_hda_power_up_pm(codec) snd_hdac_power_up_pm(&(codec)->core) 496 #define snd_hda_power_down(codec) snd_hdac_power_down(&(codec)->core) 497 #define snd_hda_power_down_pm(codec) snd_hdac_power_down_pm(&(codec)->core) 498 #ifdef CONFIG_PM 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_set_power_save(struct hda_bus *bus, int delay) {} 503 #endif 504 505 #ifdef CONFIG_SND_HDA_PATCH_LOADER 506 /* 507 * patch firmware 508 */ 509 int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf); 510 #endif 511 512 #ifdef CONFIG_SND_HDA_DSP_LOADER 513 int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, 514 unsigned int size, 515 struct snd_dma_buffer *bufp); 516 void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start); 517 void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, 518 struct snd_dma_buffer *dmab); 519 #else 520 static inline int 521 snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, 522 unsigned int size, 523 struct snd_dma_buffer *bufp) 524 { 525 return -ENOSYS; 526 } 527 static inline void 528 snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {} 529 static inline void 530 snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, 531 struct snd_dma_buffer *dmab) {} 532 #endif 533 534 #endif /* __SOUND_HDA_CODEC_H */ 535