| 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 | int (*suspend)(struct hda_codec *codec); |
| 113 | int (*resume)(struct hda_codec *codec); |
| 114 | int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid); |
| 115 | void (*stream_pm)(struct hda_codec *codec, hda_nid_t nid, bool on); |
| 116 | }; |
| 117 | |
| 118 | /* PCM callbacks */ |
| 119 | struct hda_pcm_ops { |
| 120 | int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec, |
| 121 | struct snd_pcm_substream *substream); |
| 122 | int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec, |
| 123 | struct snd_pcm_substream *substream); |
| 124 | int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec, |
| 125 | unsigned int stream_tag, unsigned int format, |
| 126 | struct snd_pcm_substream *substream); |
| 127 | int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec, |
| 128 | struct snd_pcm_substream *substream); |
| 129 | unsigned int (*get_delay)(struct hda_pcm_stream *info, |
| 130 | struct hda_codec *codec, |
| 131 | struct snd_pcm_substream *substream); |
| 132 | }; |
| 133 | |
| 134 | /* PCM information for each substream */ |
| 135 | struct hda_pcm_stream { |
| 136 | unsigned int substreams; /* number of substreams, 0 = not exist*/ |
| 137 | unsigned int channels_min; /* min. number of channels */ |
| 138 | unsigned int channels_max; /* max. number of channels */ |
| 139 | hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */ |
| 140 | u32 rates; /* supported rates */ |
| 141 | u64 formats; /* supported formats (SNDRV_PCM_FMTBIT_) */ |
| 142 | u32 subformats; /* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */ |
| 143 | unsigned int maxbps; /* supported max. bit per sample */ |
| 144 | const struct snd_pcm_chmap_elem *chmap; /* chmap to override */ |
| 145 | struct hda_pcm_ops ops; |
| 146 | }; |
| 147 | |
| 148 | /* PCM types */ |
| 149 | enum { |
| 150 | HDA_PCM_TYPE_AUDIO, |
| 151 | HDA_PCM_TYPE_SPDIF, |
| 152 | HDA_PCM_TYPE_HDMI, |
| 153 | HDA_PCM_TYPE_MODEM, |
| 154 | HDA_PCM_NTYPES |
| 155 | }; |
| 156 | |
| 157 | #define SNDRV_PCM_INVALID_DEVICE (-1) |
| 158 | /* for PCM creation */ |
| 159 | struct hda_pcm { |
| 160 | char *name; |
| 161 | struct hda_pcm_stream stream[2]; |
| 162 | unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */ |
| 163 | int device; /* device number to assign */ |
| 164 | struct snd_pcm *pcm; /* assigned PCM instance */ |
| 165 | bool own_chmap; /* codec driver provides own channel maps */ |
| 166 | /* private: */ |
| 167 | struct hda_codec *codec; |
| 168 | struct list_head list; |
| 169 | unsigned int disconnected:1; |
| 170 | }; |
| 171 | |
| 172 | /* codec information */ |
| 173 | struct hda_codec { |
| 174 | struct hdac_device core; |
| 175 | struct hda_bus *bus; |
| 176 | struct snd_card *card; |
| 177 | unsigned int addr; /* codec addr*/ |
| 178 | u32 probe_id; /* overridden id for probing */ |
| 179 | |
| 180 | /* detected preset */ |
| 181 | const struct hda_device_id *preset; |
| 182 | const char *modelname; /* model name for preset */ |
| 183 | |
| 184 | /* set by patch */ |
| 185 | struct hda_codec_ops patch_ops; |
| 186 | |
| 187 | /* PCM to create, set by patch_ops.build_pcms callback */ |
| 188 | struct list_head pcm_list_head; |
| 189 | refcount_t pcm_ref; |
| 190 | wait_queue_head_t remove_sleep; |
| 191 | |
| 192 | /* codec specific info */ |
| 193 | void *spec; |
| 194 | |
| 195 | /* beep device */ |
| 196 | struct hda_beep *beep; |
| 197 | unsigned int beep_mode; |
| 198 | bool beep_just_power_on; |
| 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 | unsigned long power_on_acct; |
| 262 | unsigned long power_off_acct; |
| 263 | unsigned long power_jiffies; |
| 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 hdac_to_hda_codec(_hdac) container_of(_hdac, struct hda_codec, core) |
| 293 | |
| 294 | #define list_for_each_codec(c, bus) \ |
| 295 | list_for_each_entry(c, &(bus)->core.codec_list, core.list) |
| 296 | #define list_for_each_codec_safe(c, n, bus) \ |
| 297 | list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list) |
| 298 | |
| 299 | /* snd_hda_codec_read/write optional flags */ |
| 300 | #define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0) |
| 301 | |
| 302 | /* |
| 303 | * constructors |
| 304 | */ |
| 305 | __printf(3, 4) struct hda_codec * |
| 306 | snd_hda_codec_device_init(struct hda_bus *bus, unsigned int codec_addr, |
| 307 | const char *fmt, ...); |
| 308 | int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card, |
| 309 | unsigned int codec_addr, struct hda_codec **codecp); |
| 310 | int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card, |
| 311 | unsigned int codec_addr, struct hda_codec *codec, |
| 312 | bool snddev_managed); |
| 313 | int snd_hda_codec_configure(struct hda_codec *codec); |
| 314 | int snd_hda_codec_update_widgets(struct hda_codec *codec); |
| 315 | void snd_hda_codec_register(struct hda_codec *codec); |
| 316 | void snd_hda_codec_unregister(struct hda_codec *codec); |
| 317 | void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec); |
| 318 | |
| 319 | /* |
| 320 | * low level functions |
| 321 | */ |
| 322 | static inline unsigned int |
| 323 | snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, |
| 324 | int flags, |
| 325 | unsigned int verb, unsigned int parm) |
| 326 | { |
| 327 | return snd_hdac_codec_read(&codec->core, nid, flags, verb, parm); |
| 328 | } |
| 329 | |
| 330 | static inline int |
| 331 | snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags, |
| 332 | unsigned int verb, unsigned int parm) |
| 333 | { |
| 334 | return snd_hdac_codec_write(&codec->core, nid, flags, verb, parm); |
| 335 | } |
| 336 | |
| 337 | #define snd_hda_param_read(codec, nid, param) \ |
| 338 | snd_hdac_read_parm(&(codec)->core, nid, param) |
| 339 | #define snd_hda_get_sub_nodes(codec, nid, start_nid) \ |
| 340 | snd_hdac_get_sub_nodes(&(codec)->core, nid, start_nid) |
| 341 | int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, |
| 342 | hda_nid_t *conn_list, int max_conns); |
| 343 | static inline int |
| 344 | snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid) |
| 345 | { |
| 346 | return snd_hda_get_connections(codec, nid, NULL, 0); |
| 347 | } |
| 348 | |
| 349 | #define snd_hda_get_raw_connections(codec, nid, list, max_conns) \ |
| 350 | snd_hdac_get_connections(&(codec)->core, nid, list, max_conns) |
| 351 | #define snd_hda_get_num_raw_conns(codec, nid) \ |
| 352 | snd_hdac_get_connections(&(codec)->core, nid, NULL, 0) |
| 353 | |
| 354 | int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid, |
| 355 | const hda_nid_t **listp); |
| 356 | int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums, |
| 357 | const hda_nid_t *list); |
| 358 | int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux, |
| 359 | hda_nid_t nid, int recursive); |
| 360 | unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid); |
| 361 | int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid, |
| 362 | u8 *dev_list, int max_devices); |
| 363 | int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid); |
| 364 | int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id); |
| 365 | |
| 366 | struct hda_verb { |
| 367 | hda_nid_t nid; |
| 368 | u32 verb; |
| 369 | u32 param; |
| 370 | }; |
| 371 | |
| 372 | void snd_hda_sequence_write(struct hda_codec *codec, |
| 373 | const struct hda_verb *seq); |
| 374 | |
| 375 | /* cached write */ |
| 376 | static inline int |
| 377 | snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, |
| 378 | int flags, unsigned int verb, unsigned int parm) |
| 379 | { |
| 380 | return snd_hdac_regmap_write(&codec->core, nid, verb, parm); |
| 381 | } |
| 382 | |
| 383 | /* the struct for codec->pin_configs */ |
| 384 | struct hda_pincfg { |
| 385 | hda_nid_t nid; |
| 386 | unsigned char ctrl; /* original pin control value */ |
| 387 | unsigned char target; /* target pin control value */ |
| 388 | unsigned int cfg; /* default configuration */ |
| 389 | }; |
| 390 | |
| 391 | unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid); |
| 392 | int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid, |
| 393 | unsigned int cfg); |
| 394 | int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list, |
| 395 | hda_nid_t nid, unsigned int cfg); /* for hwdep */ |
| 396 | void snd_hda_shutup_pins(struct hda_codec *codec); |
| 397 | |
| 398 | /* SPDIF controls */ |
| 399 | struct hda_spdif_out { |
| 400 | hda_nid_t nid; /* Converter nid values relate to */ |
| 401 | unsigned int status; /* IEC958 status bits */ |
| 402 | unsigned short ctls; /* SPDIF control bits */ |
| 403 | }; |
| 404 | struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec, |
| 405 | hda_nid_t nid); |
| 406 | void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx); |
| 407 | void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid); |
| 408 | |
| 409 | /* |
| 410 | * Mixer |
| 411 | */ |
| 412 | int snd_hda_codec_build_controls(struct hda_codec *codec); |
| 413 | |
| 414 | /* |
| 415 | * PCM |
| 416 | */ |
| 417 | int snd_hda_codec_parse_pcms(struct hda_codec *codec); |
| 418 | int snd_hda_codec_build_pcms(struct hda_codec *codec); |
| 419 | |
| 420 | __printf(2, 3) |
| 421 | struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec, |
| 422 | const char *fmt, ...); |
| 423 | |
| 424 | void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec); |
| 425 | |
| 426 | static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm) |
| 427 | { |
| 428 | refcount_inc(&pcm->codec->pcm_ref); |
| 429 | } |
| 430 | void snd_hda_codec_pcm_put(struct hda_pcm *pcm); |
| 431 | |
| 432 | int snd_hda_codec_prepare(struct hda_codec *codec, |
| 433 | struct hda_pcm_stream *hinfo, |
| 434 | unsigned int stream, |
| 435 | unsigned int format, |
| 436 | struct snd_pcm_substream *substream); |
| 437 | void snd_hda_codec_cleanup(struct hda_codec *codec, |
| 438 | struct hda_pcm_stream *hinfo, |
| 439 | struct snd_pcm_substream *substream); |
| 440 | |
| 441 | void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, |
| 442 | u32 stream_tag, |
| 443 | int channel_id, int format); |
| 444 | void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid, |
| 445 | int do_now); |
| 446 | #define snd_hda_codec_cleanup_stream(codec, nid) \ |
| 447 | __snd_hda_codec_cleanup_stream(codec, nid, 0) |
| 448 | |
| 449 | #define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, subfmtp, bpsp) \ |
| 450 | snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, subfmtp, bpsp) |
| 451 | #define snd_hda_is_supported_format(codec, nid, fmt) \ |
| 452 | snd_hdac_is_supported_format(&(codec)->core, nid, fmt) |
| 453 | |
| 454 | extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[]; |
| 455 | |
| 456 | int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec, |
| 457 | struct hda_pcm *cpcm); |
| 458 | |
| 459 | /* |
| 460 | * Misc |
| 461 | */ |
| 462 | void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen); |
| 463 | void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg, |
| 464 | unsigned int power_state); |
| 465 | |
| 466 | int snd_hda_lock_devices(struct hda_bus *bus); |
| 467 | void snd_hda_unlock_devices(struct hda_bus *bus); |
| 468 | void snd_hda_bus_reset(struct hda_bus *bus); |
| 469 | void snd_hda_bus_reset_codecs(struct hda_bus *bus); |
| 470 | |
| 471 | int snd_hda_codec_set_name(struct hda_codec *codec, const char *name); |
| 472 | |
| 473 | /* |
| 474 | * power management |
| 475 | */ |
| 476 | extern const struct dev_pm_ops hda_codec_driver_pm; |
| 477 | |
| 478 | static inline |
| 479 | int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid) |
| 480 | { |
| 481 | if (codec->patch_ops.check_power_status) |
| 482 | return codec->patch_ops.check_power_status(codec, nid); |
| 483 | return 0; |
| 484 | } |
| 485 | |
| 486 | /* |
| 487 | * power saving |
| 488 | */ |
| 489 | #define snd_hda_power_up(codec) snd_hdac_power_up(&(codec)->core) |
| 490 | #define snd_hda_power_up_pm(codec) snd_hdac_power_up_pm(&(codec)->core) |
| 491 | #define snd_hda_power_down(codec) snd_hdac_power_down(&(codec)->core) |
| 492 | #define snd_hda_power_down_pm(codec) snd_hdac_power_down_pm(&(codec)->core) |
| 493 | void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay); |
| 494 | void snd_hda_set_power_save(struct hda_bus *bus, int delay); |
| 495 | void snd_hda_update_power_acct(struct hda_codec *codec); |
| 496 | |
| 497 | static inline bool hda_codec_need_resume(struct hda_codec *codec) |
| 498 | { |
| 499 | return !codec->relaxed_resume && codec->jacktbl.used; |
| 500 | } |
| 501 | |
| 502 | #ifdef CONFIG_SND_HDA_PATCH_LOADER |
| 503 | /* |
| 504 | * patch firmware |
| 505 | */ |
| 506 | int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf); |
| 507 | #endif |
| 508 | |
| 509 | #ifdef CONFIG_SND_HDA_DSP_LOADER |
| 510 | int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, |
| 511 | unsigned int size, |
| 512 | struct snd_dma_buffer *bufp); |
| 513 | void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start); |
| 514 | void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, |
| 515 | struct snd_dma_buffer *dmab); |
| 516 | #else |
| 517 | static inline int |
| 518 | snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, |
| 519 | unsigned int size, |
| 520 | struct snd_dma_buffer *bufp) |
| 521 | { |
| 522 | return -ENOSYS; |
| 523 | } |
| 524 | static inline void |
| 525 | snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {} |
| 526 | static inline void |
| 527 | snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, |
| 528 | struct snd_dma_buffer *dmab) {} |
| 529 | #endif |
| 530 | |
| 531 | #endif /* __SOUND_HDA_CODEC_H */ |