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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 | struct hda_codec_ops; | |
31 | ||
32 | /* | |
33 | * codec bus | |
34 | * | |
35 | * each controller needs to creata a hda_bus to assign the accessor. | |
36 | * A hda_bus contains several codecs in the list codec_list. | |
37 | */ | |
38 | struct hda_bus { | |
39 | struct hdac_bus core; | |
40 | ||
41 | struct snd_card *card; | |
42 | ||
43 | struct pci_dev *pci; | |
44 | const char *modelname; | |
45 | ||
46 | struct mutex prepare_mutex; | |
47 | ||
48 | /* assigned PCMs */ | |
49 | DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES); | |
50 | ||
51 | /* misc op flags */ | |
52 | unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */ | |
53 | /* status for codec/controller */ | |
54 | unsigned int shutdown :1; /* being unloaded */ | |
55 | unsigned int response_reset:1; /* controller was reset */ | |
56 | unsigned int in_reset:1; /* during reset operation */ | |
57 | unsigned int no_response_fallback:1; /* don't fallback at RIRB error */ | |
58 | unsigned int bus_probing :1; /* during probing process */ | |
59 | unsigned int keep_power:1; /* keep power up for notification */ | |
60 | unsigned int jackpoll_in_suspend:1; /* keep jack polling during | |
61 | * runtime suspend | |
62 | */ | |
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 | ||
75 | #define HDA_CODEC_ID_SKIP_PROBE 0x00000001 | |
76 | #define HDA_CODEC_ID_GENERIC_HDMI 0x00000101 | |
77 | #define HDA_CODEC_ID_GENERIC 0x00000201 | |
78 | ||
79 | #define HDA_CODEC_ID_REV_MODEL(_vid, _rev, _name, _model) \ | |
80 | { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \ | |
81 | .api_version = HDA_DEV_LEGACY, .driver_data = (_model) } | |
82 | #define HDA_CODEC_ID_MODEL(_vid, _name, _model) \ | |
83 | HDA_CODEC_ID_REV_MODEL(_vid, 0, _name, _model) | |
84 | #define HDA_CODEC_ID_REV(_vid, _rev, _name) \ | |
85 | HDA_CODEC_ID_REV_MODEL(_vid, _rev, _name, 0) | |
86 | #define HDA_CODEC_ID(_vid, _name) \ | |
87 | HDA_CODEC_ID_REV(_vid, 0, _name) | |
88 | ||
89 | struct hda_codec_driver { | |
90 | struct hdac_driver core; | |
91 | const struct hda_device_id *id; | |
92 | const struct hda_codec_ops *ops; | |
93 | }; | |
94 | ||
95 | #define hda_codec_to_driver(codec) \ | |
96 | container_of((codec)->core.dev.driver, struct hda_codec_driver, core.driver) | |
97 | ||
98 | int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name, | |
99 | struct module *owner); | |
100 | #define hda_codec_driver_register(drv) \ | |
101 | __hda_codec_driver_register(drv, KBUILD_MODNAME, THIS_MODULE) | |
102 | void hda_codec_driver_unregister(struct hda_codec_driver *drv); | |
103 | #define module_hda_codec_driver(drv) \ | |
104 | module_driver(drv, hda_codec_driver_register, \ | |
105 | hda_codec_driver_unregister) | |
106 | ||
107 | /* ops for hda codec driver */ | |
108 | struct hda_codec_ops { | |
109 | int (*probe)(struct hda_codec *codec, const struct hda_device_id *id); | |
110 | void (*remove)(struct hda_codec *codec); | |
111 | int (*build_controls)(struct hda_codec *codec); | |
112 | int (*build_pcms)(struct hda_codec *codec); | |
113 | int (*init)(struct hda_codec *codec); | |
114 | void (*unsol_event)(struct hda_codec *codec, unsigned int res); | |
115 | void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg, | |
116 | unsigned int power_state); | |
117 | int (*suspend)(struct hda_codec *codec); | |
118 | int (*resume)(struct hda_codec *codec); | |
119 | int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid); | |
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 | u32 subformats; /* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */ | |
148 | unsigned int maxbps; /* supported max. bit per sample */ | |
149 | const struct snd_pcm_chmap_elem *chmap; /* chmap to override */ | |
150 | struct hda_pcm_ops ops; | |
151 | }; | |
152 | ||
153 | /* PCM types */ | |
154 | enum { | |
155 | HDA_PCM_TYPE_AUDIO, | |
156 | HDA_PCM_TYPE_SPDIF, | |
157 | HDA_PCM_TYPE_HDMI, | |
158 | HDA_PCM_TYPE_MODEM, | |
159 | HDA_PCM_NTYPES | |
160 | }; | |
161 | ||
162 | #define SNDRV_PCM_INVALID_DEVICE (-1) | |
163 | /* for PCM creation */ | |
164 | struct hda_pcm { | |
165 | char *name; | |
166 | struct hda_pcm_stream stream[2]; | |
167 | unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */ | |
168 | int device; /* device number to assign */ | |
169 | struct snd_pcm *pcm; /* assigned PCM instance */ | |
170 | bool own_chmap; /* codec driver provides own channel maps */ | |
171 | /* private: */ | |
172 | struct hda_codec *codec; | |
173 | struct list_head list; | |
174 | unsigned int disconnected:1; | |
175 | }; | |
176 | ||
177 | /* codec information */ | |
178 | struct hda_codec { | |
179 | struct hdac_device core; | |
180 | struct hda_bus *bus; | |
181 | struct snd_card *card; | |
182 | unsigned int addr; /* codec addr*/ | |
183 | u32 probe_id; /* overridden id for probing */ | |
184 | ||
185 | /* detected preset */ | |
186 | const struct hda_device_id *preset; | |
187 | const char *modelname; /* model name for preset */ | |
188 | ||
189 | /* PCM to create, set by hda_codec_ops.build_pcms callback */ | |
190 | struct list_head pcm_list_head; | |
191 | refcount_t pcm_ref; | |
192 | wait_queue_head_t remove_sleep; | |
193 | ||
194 | /* codec specific info */ | |
195 | void *spec; | |
196 | ||
197 | /* beep device */ | |
198 | struct hda_beep *beep; | |
199 | unsigned int beep_mode; | |
200 | bool beep_just_power_on; | |
201 | ||
202 | /* widget capabilities cache */ | |
203 | u32 *wcaps; | |
204 | ||
205 | struct snd_array mixers; /* list of assigned mixer elements */ | |
206 | struct snd_array nids; /* list of mapped mixer elements */ | |
207 | ||
208 | struct list_head conn_list; /* linked-list of connection-list */ | |
209 | ||
210 | struct mutex spdif_mutex; | |
211 | struct mutex control_mutex; | |
212 | struct snd_array spdif_out; | |
213 | unsigned int spdif_in_enable; /* SPDIF input enable? */ | |
214 | const hda_nid_t *follower_dig_outs; /* optional digital out follower widgets */ | |
215 | struct snd_array init_pins; /* initial (BIOS) pin configurations */ | |
216 | struct snd_array driver_pins; /* pin configs set by codec parser */ | |
217 | struct snd_array cvt_setups; /* audio convert setups */ | |
218 | ||
219 | struct mutex user_mutex; | |
220 | #ifdef CONFIG_SND_HDA_RECONFIG | |
221 | struct snd_array init_verbs; /* additional init verbs */ | |
222 | struct snd_array hints; /* additional hints */ | |
223 | struct snd_array user_pins; /* default pin configs to override */ | |
224 | #endif | |
225 | ||
226 | #ifdef CONFIG_SND_HDA_HWDEP | |
227 | struct snd_hwdep *hwdep; /* assigned hwdep device */ | |
228 | #endif | |
229 | ||
230 | /* misc flags */ | |
231 | unsigned int configured:1; /* codec was configured */ | |
232 | unsigned int in_freeing:1; /* being released */ | |
233 | unsigned int display_power_control:1; /* needs display power */ | |
234 | unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each | |
235 | * status change | |
236 | * (e.g. Realtek codecs) | |
237 | */ | |
238 | unsigned int pin_amp_workaround:1; /* pin out-amp takes index | |
239 | * (e.g. Conexant codecs) | |
240 | */ | |
241 | unsigned int single_adc_amp:1; /* adc in-amp takes no index | |
242 | * (e.g. CX20549 codec) | |
243 | */ | |
244 | unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */ | |
245 | unsigned int pins_shutup:1; /* pins are shut up */ | |
246 | unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */ | |
247 | unsigned int no_jack_detect:1; /* Machine has no jack-detection */ | |
248 | unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */ | |
249 | unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */ | |
250 | unsigned int pcm_format_first:1; /* PCM format must be set first */ | |
251 | unsigned int cached_write:1; /* write only to caches */ | |
252 | unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */ | |
253 | unsigned int dump_coef:1; /* dump processing coefs in codec proc file */ | |
254 | unsigned int power_save_node:1; /* advanced PM for each widget */ | |
255 | unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */ | |
256 | unsigned int force_pin_prefix:1; /* Add location prefix */ | |
257 | unsigned int link_down_at_suspend:1; /* link down at runtime suspend */ | |
258 | unsigned int relaxed_resume:1; /* don't resume forcibly for jack */ | |
259 | unsigned int forced_resume:1; /* forced resume for jack */ | |
260 | unsigned int no_stream_clean_at_suspend:1; /* do not clean streams at suspend */ | |
261 | unsigned int ctl_dev_id:1; /* old control element id build behaviour */ | |
262 | ||
263 | unsigned long power_on_acct; | |
264 | unsigned long power_off_acct; | |
265 | unsigned long power_jiffies; | |
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, subfmtp, bpsp) \ | |
452 | snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, subfmtp, 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 | struct hda_codec_driver *driver = hda_codec_to_driver(codec); | |
484 | ||
485 | if (driver->ops && driver->ops->check_power_status) | |
486 | return driver->ops->check_power_status(codec, nid); | |
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 | void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay); | |
498 | void snd_hda_set_power_save(struct hda_bus *bus, int delay); | |
499 | void snd_hda_update_power_acct(struct hda_codec *codec); | |
500 | ||
501 | static inline bool hda_codec_need_resume(struct hda_codec *codec) | |
502 | { | |
503 | return !codec->relaxed_resume && codec->jacktbl.used; | |
504 | } | |
505 | ||
506 | #ifdef CONFIG_SND_HDA_PATCH_LOADER | |
507 | /* | |
508 | * patch firmware | |
509 | */ | |
510 | int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf); | |
511 | #endif | |
512 | ||
513 | #ifdef CONFIG_SND_HDA_DSP_LOADER | |
514 | int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, | |
515 | unsigned int size, | |
516 | struct snd_dma_buffer *bufp); | |
517 | void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start); | |
518 | void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, | |
519 | struct snd_dma_buffer *dmab); | |
520 | #else | |
521 | static inline int | |
522 | snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, | |
523 | unsigned int size, | |
524 | struct snd_dma_buffer *bufp) | |
525 | { | |
526 | return -ENOSYS; | |
527 | } | |
528 | static inline void | |
529 | snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {} | |
530 | static inline void | |
531 | snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, | |
532 | struct snd_dma_buffer *dmab) {} | |
533 | #endif | |
534 | ||
535 | #endif /* __SOUND_HDA_CODEC_H */ |