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ALSA: hda - Kill snd_printd*() in HDMI debug / info prints
[deliverable/linux.git] / sound / pci / hda / hda_codec.h
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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 <sound/info.h>
25#include <sound/control.h>
26#include <sound/pcm.h>
27#include <sound/hwdep.h>
28#include <sound/hda_verbs.h>
29
30/*
31 * generic arrays
32 */
33struct snd_array {
34 unsigned int used;
35 unsigned int alloced;
36 unsigned int elem_size;
37 unsigned int alloc_align;
38 void *list;
39};
40
41void *snd_array_new(struct snd_array *array);
42void snd_array_free(struct snd_array *array);
43static inline void snd_array_init(struct snd_array *array, unsigned int size,
44 unsigned int align)
45{
46 array->elem_size = size;
47 array->alloc_align = align;
48}
49
50static inline void *snd_array_elem(struct snd_array *array, unsigned int idx)
51{
52 return array->list + idx * array->elem_size;
53}
54
55static inline unsigned int snd_array_index(struct snd_array *array, void *ptr)
56{
57 return (unsigned long)(ptr - array->list) / array->elem_size;
58}
59
60/*
61 * Structures
62 */
63
64struct hda_bus;
65struct hda_beep;
66struct hda_codec;
67struct hda_pcm;
68struct hda_pcm_stream;
69struct hda_bus_unsolicited;
70
71/* NID type */
72typedef u16 hda_nid_t;
73
74/* bus operators */
75struct hda_bus_ops {
76 /* send a single command */
77 int (*command)(struct hda_bus *bus, unsigned int cmd);
78 /* get a response from the last command */
79 unsigned int (*get_response)(struct hda_bus *bus, unsigned int addr);
80 /* free the private data */
81 void (*private_free)(struct hda_bus *);
82 /* attach a PCM stream */
83 int (*attach_pcm)(struct hda_bus *bus, struct hda_codec *codec,
84 struct hda_pcm *pcm);
85 /* reset bus for retry verb */
86 void (*bus_reset)(struct hda_bus *bus);
87#ifdef CONFIG_PM
88 /* notify power-up/down from codec to controller */
89 void (*pm_notify)(struct hda_bus *bus, bool power_up);
90#endif
91#ifdef CONFIG_SND_HDA_DSP_LOADER
92 /* prepare DSP transfer */
93 int (*load_dsp_prepare)(struct hda_bus *bus, unsigned int format,
94 unsigned int byte_size,
95 struct snd_dma_buffer *bufp);
96 /* start/stop DSP transfer */
97 void (*load_dsp_trigger)(struct hda_bus *bus, bool start);
98 /* clean up DSP transfer */
99 void (*load_dsp_cleanup)(struct hda_bus *bus,
100 struct snd_dma_buffer *dmab);
101#endif
102};
103
104/* template to pass to the bus constructor */
105struct hda_bus_template {
106 void *private_data;
107 struct pci_dev *pci;
108 const char *modelname;
109 int *power_save;
110 struct hda_bus_ops ops;
111};
112
113/*
114 * codec bus
115 *
116 * each controller needs to creata a hda_bus to assign the accessor.
117 * A hda_bus contains several codecs in the list codec_list.
118 */
119struct hda_bus {
120 struct snd_card *card;
121
122 /* copied from template */
123 void *private_data;
124 struct pci_dev *pci;
125 const char *modelname;
126 int *power_save;
127 struct hda_bus_ops ops;
128
129 /* codec linked list */
130 struct list_head codec_list;
131 unsigned int num_codecs;
132 /* link caddr -> codec */
133 struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1];
134
135 struct mutex cmd_mutex;
136 struct mutex prepare_mutex;
137
138 /* unsolicited event queue */
139 struct hda_bus_unsolicited *unsol;
140 char workq_name[16];
141 struct workqueue_struct *workq; /* common workqueue for codecs */
142
143 /* assigned PCMs */
144 DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES);
145
146 /* misc op flags */
147 unsigned int needs_damn_long_delay :1;
148 unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */
149 unsigned int sync_write:1; /* sync after verb write */
150 /* status for codec/controller */
151 unsigned int shutdown :1; /* being unloaded */
152 unsigned int rirb_error:1; /* error in codec communication */
153 unsigned int response_reset:1; /* controller was reset */
154 unsigned int in_reset:1; /* during reset operation */
155 unsigned int power_keep_link_on:1; /* don't power off HDA link */
156 unsigned int no_response_fallback:1; /* don't fallback at RIRB error */
157
158 int primary_dig_out_type; /* primary digital out PCM type */
159};
160
161/*
162 * codec preset
163 *
164 * Known codecs have the patch to build and set up the controls/PCMs
165 * better than the generic parser.
166 */
167struct hda_codec_preset {
168 unsigned int id;
169 unsigned int mask;
170 unsigned int subs;
171 unsigned int subs_mask;
172 unsigned int rev;
173 hda_nid_t afg, mfg;
174 const char *name;
175 int (*patch)(struct hda_codec *codec);
176};
177
178struct hda_codec_preset_list {
179 const struct hda_codec_preset *preset;
180 struct module *owner;
181 struct list_head list;
182};
183
184/* initial hook */
185int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset);
186int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset);
187
188/* ops set by the preset patch */
189struct hda_codec_ops {
190 int (*build_controls)(struct hda_codec *codec);
191 int (*build_pcms)(struct hda_codec *codec);
192 int (*init)(struct hda_codec *codec);
193 void (*free)(struct hda_codec *codec);
194 void (*unsol_event)(struct hda_codec *codec, unsigned int res);
195 void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg,
196 unsigned int power_state);
197#ifdef CONFIG_PM
198 int (*suspend)(struct hda_codec *codec);
199 int (*resume)(struct hda_codec *codec);
200 int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
201#endif
202 void (*reboot_notify)(struct hda_codec *codec);
203};
204
205/* record for amp information cache */
206struct hda_cache_head {
207 u32 key:31; /* hash key */
208 u32 dirty:1;
209 u16 val; /* assigned value */
210 u16 next;
211};
212
213struct hda_amp_info {
214 struct hda_cache_head head;
215 u32 amp_caps; /* amp capabilities */
216 u16 vol[2]; /* current volume & mute */
217};
218
219struct hda_cache_rec {
220 u16 hash[64]; /* hash table for index */
221 struct snd_array buf; /* record entries */
222};
223
224/* PCM callbacks */
225struct hda_pcm_ops {
226 int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
227 struct snd_pcm_substream *substream);
228 int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
229 struct snd_pcm_substream *substream);
230 int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
231 unsigned int stream_tag, unsigned int format,
232 struct snd_pcm_substream *substream);
233 int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
234 struct snd_pcm_substream *substream);
235 unsigned int (*get_delay)(struct hda_pcm_stream *info,
236 struct hda_codec *codec,
237 struct snd_pcm_substream *substream);
238};
239
240/* PCM information for each substream */
241struct hda_pcm_stream {
242 unsigned int substreams; /* number of substreams, 0 = not exist*/
243 unsigned int channels_min; /* min. number of channels */
244 unsigned int channels_max; /* max. number of channels */
245 hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */
246 u32 rates; /* supported rates */
247 u64 formats; /* supported formats (SNDRV_PCM_FMTBIT_) */
248 unsigned int maxbps; /* supported max. bit per sample */
249 const struct snd_pcm_chmap_elem *chmap; /* chmap to override */
250 struct hda_pcm_ops ops;
251};
252
253/* PCM types */
254enum {
255 HDA_PCM_TYPE_AUDIO,
256 HDA_PCM_TYPE_SPDIF,
257 HDA_PCM_TYPE_HDMI,
258 HDA_PCM_TYPE_MODEM,
259 HDA_PCM_NTYPES
260};
261
262/* for PCM creation */
263struct hda_pcm {
264 char *name;
265 struct hda_pcm_stream stream[2];
266 unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */
267 int device; /* device number to assign */
268 struct snd_pcm *pcm; /* assigned PCM instance */
269 bool own_chmap; /* codec driver provides own channel maps */
270};
271
272/* codec information */
273struct hda_codec {
274 struct device dev;
275 struct hda_bus *bus;
276 unsigned int addr; /* codec addr*/
277 struct list_head list; /* list point */
278
279 hda_nid_t afg; /* AFG node id */
280 hda_nid_t mfg; /* MFG node id */
281
282 /* ids */
283 u8 afg_function_id;
284 u8 mfg_function_id;
285 u8 afg_unsol;
286 u8 mfg_unsol;
287 u32 vendor_id;
288 u32 subsystem_id;
289 u32 revision_id;
290
291 /* detected preset */
292 const struct hda_codec_preset *preset;
293 struct module *owner;
294 int (*parser)(struct hda_codec *codec);
295 const char *vendor_name; /* codec vendor name */
296 const char *chip_name; /* codec chip name */
297 const char *modelname; /* model name for preset */
298
299 /* set by patch */
300 struct hda_codec_ops patch_ops;
301
302 /* PCM to create, set by patch_ops.build_pcms callback */
303 unsigned int num_pcms;
304 struct hda_pcm *pcm_info;
305
306 /* codec specific info */
307 void *spec;
308
309 /* beep device */
310 struct hda_beep *beep;
311 unsigned int beep_mode;
312
313 /* widget capabilities cache */
314 unsigned int num_nodes;
315 hda_nid_t start_nid;
316 u32 *wcaps;
317
318 struct snd_array mixers; /* list of assigned mixer elements */
319 struct snd_array nids; /* list of mapped mixer elements */
320
321 struct hda_cache_rec amp_cache; /* cache for amp access */
322 struct hda_cache_rec cmd_cache; /* cache for other commands */
323
324 struct list_head conn_list; /* linked-list of connection-list */
325
326 struct mutex spdif_mutex;
327 struct mutex control_mutex;
328 struct mutex hash_mutex;
329 struct snd_array spdif_out;
330 unsigned int spdif_in_enable; /* SPDIF input enable? */
331 const hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */
332 struct snd_array init_pins; /* initial (BIOS) pin configurations */
333 struct snd_array driver_pins; /* pin configs set by codec parser */
334 struct snd_array cvt_setups; /* audio convert setups */
335
336 struct mutex user_mutex;
337#ifdef CONFIG_SND_HDA_RECONFIG
338 struct snd_array init_verbs; /* additional init verbs */
339 struct snd_array hints; /* additional hints */
340 struct snd_array user_pins; /* default pin configs to override */
341#endif
342
343#ifdef CONFIG_SND_HDA_HWDEP
344 struct snd_hwdep *hwdep; /* assigned hwdep device */
345#endif
346
347 /* misc flags */
348 unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each
349 * status change
350 * (e.g. Realtek codecs)
351 */
352 unsigned int pin_amp_workaround:1; /* pin out-amp takes index
353 * (e.g. Conexant codecs)
354 */
355 unsigned int single_adc_amp:1; /* adc in-amp takes no index
356 * (e.g. CX20549 codec)
357 */
358 unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
359 unsigned int pins_shutup:1; /* pins are shut up */
360 unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
361 unsigned int no_jack_detect:1; /* Machine has no jack-detection */
362 unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */
363 unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */
364 unsigned int pcm_format_first:1; /* PCM format must be set first */
365 unsigned int epss:1; /* supporting EPSS? */
366 unsigned int cached_write:1; /* write only to caches */
367 unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */
368 unsigned int dump_coef:1; /* dump processing coefs in codec proc file */
369#ifdef CONFIG_PM
370 unsigned int power_on :1; /* current (global) power-state */
371 unsigned int d3_stop_clk:1; /* support D3 operation without BCLK */
372 unsigned int pm_up_notified:1; /* PM notified to controller */
373 unsigned int in_pm:1; /* suspend/resume being performed */
374 int power_transition; /* power-state in transition */
375 int power_count; /* current (global) power refcount */
376 struct delayed_work power_work; /* delayed task for powerdown */
377 unsigned long power_on_acct;
378 unsigned long power_off_acct;
379 unsigned long power_jiffies;
380 spinlock_t power_lock;
381#endif
382
383 /* filter the requested power state per nid */
384 unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid,
385 unsigned int power_state);
386
387 /* codec-specific additional proc output */
388 void (*proc_widget_hook)(struct snd_info_buffer *buffer,
389 struct hda_codec *codec, hda_nid_t nid);
390
391 /* jack detection */
392 struct snd_array jacktbl;
393 unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */
394 struct delayed_work jackpoll_work;
395
396#ifdef CONFIG_SND_HDA_INPUT_JACK
397 /* jack detection */
398 struct snd_array jacks;
399#endif
400
401 int depop_delay; /* depop delay in ms, -1 for default delay time */
402
403 /* fix-up list */
404 int fixup_id;
405 unsigned int fixup_forced:1; /* fixup explicitly set by user */
406 const struct hda_fixup *fixup_list;
407 const char *fixup_name;
408
409 /* additional init verbs */
410 struct snd_array verbs;
411};
412
413/* direction */
414enum {
415 HDA_INPUT, HDA_OUTPUT
416};
417
418/* snd_hda_codec_read/write optional flags */
419#define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0)
420
421/*
422 * constructors
423 */
424int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp,
425 struct hda_bus **busp);
426int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
427 struct hda_codec **codecp);
428int snd_hda_codec_configure(struct hda_codec *codec);
429int snd_hda_codec_update_widgets(struct hda_codec *codec);
430
431/*
432 * low level functions
433 */
434unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
435 int flags,
436 unsigned int verb, unsigned int parm);
437int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags,
438 unsigned int verb, unsigned int parm);
439#define snd_hda_param_read(codec, nid, param) \
440 snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param)
441int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
442 hda_nid_t *start_id);
443int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
444 hda_nid_t *conn_list, int max_conns);
445static inline int
446snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid)
447{
448 return snd_hda_get_connections(codec, nid, NULL, 0);
449}
450int snd_hda_get_num_raw_conns(struct hda_codec *codec, hda_nid_t nid);
451int snd_hda_get_raw_connections(struct hda_codec *codec, hda_nid_t nid,
452 hda_nid_t *conn_list, int max_conns);
453int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
454 const hda_nid_t **listp);
455int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums,
456 const hda_nid_t *list);
457int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
458 hda_nid_t nid, int recursive);
459int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
460 u8 *dev_list, int max_devices);
461int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
462 u32 *ratesp, u64 *formatsp, unsigned int *bpsp);
463
464struct hda_verb {
465 hda_nid_t nid;
466 u32 verb;
467 u32 param;
468};
469
470void snd_hda_sequence_write(struct hda_codec *codec,
471 const struct hda_verb *seq);
472
473/* unsolicited event */
474int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex);
475
476/* cached write */
477int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
478 int flags, unsigned int verb, unsigned int parm);
479void snd_hda_sequence_write_cache(struct hda_codec *codec,
480 const struct hda_verb *seq);
481int snd_hda_codec_update_cache(struct hda_codec *codec, hda_nid_t nid,
482 int flags, unsigned int verb, unsigned int parm);
483void snd_hda_codec_resume_cache(struct hda_codec *codec);
484/* both for cmd & amp caches */
485void snd_hda_codec_flush_cache(struct hda_codec *codec);
486
487/* the struct for codec->pin_configs */
488struct hda_pincfg {
489 hda_nid_t nid;
490 unsigned char ctrl; /* original pin control value */
491 unsigned char target; /* target pin control value */
492 unsigned int cfg; /* default configuration */
493};
494
495unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
496int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
497 unsigned int cfg);
498int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
499 hda_nid_t nid, unsigned int cfg); /* for hwdep */
500void snd_hda_shutup_pins(struct hda_codec *codec);
501
502/* SPDIF controls */
503struct hda_spdif_out {
504 hda_nid_t nid; /* Converter nid values relate to */
505 unsigned int status; /* IEC958 status bits */
506 unsigned short ctls; /* SPDIF control bits */
507};
508struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
509 hda_nid_t nid);
510void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx);
511void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid);
512
513/*
514 * Mixer
515 */
516int snd_hda_build_controls(struct hda_bus *bus);
517int snd_hda_codec_build_controls(struct hda_codec *codec);
518
519/*
520 * PCM
521 */
522int snd_hda_build_pcms(struct hda_bus *bus);
523int snd_hda_codec_build_pcms(struct hda_codec *codec);
524
525int snd_hda_codec_prepare(struct hda_codec *codec,
526 struct hda_pcm_stream *hinfo,
527 unsigned int stream,
528 unsigned int format,
529 struct snd_pcm_substream *substream);
530void snd_hda_codec_cleanup(struct hda_codec *codec,
531 struct hda_pcm_stream *hinfo,
532 struct snd_pcm_substream *substream);
533
534void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
535 u32 stream_tag,
536 int channel_id, int format);
537void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
538 int do_now);
539#define snd_hda_codec_cleanup_stream(codec, nid) \
540 __snd_hda_codec_cleanup_stream(codec, nid, 0)
541unsigned int snd_hda_calc_stream_format(unsigned int rate,
542 unsigned int channels,
543 unsigned int format,
544 unsigned int maxbps,
545 unsigned short spdif_ctls);
546int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
547 unsigned int format);
548
549extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[];
550
551/*
552 * Misc
553 */
554void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
555void snd_hda_bus_reboot_notify(struct hda_bus *bus);
556void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
557 unsigned int power_state);
558
559int snd_hda_lock_devices(struct hda_bus *bus);
560void snd_hda_unlock_devices(struct hda_bus *bus);
561
562/*
563 * power management
564 */
565#ifdef CONFIG_PM
566int snd_hda_suspend(struct hda_bus *bus);
567int snd_hda_resume(struct hda_bus *bus);
568#endif
569
570static inline
571int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid)
572{
573#ifdef CONFIG_PM
574 if (codec->patch_ops.check_power_status)
575 return codec->patch_ops.check_power_status(codec, nid);
576#endif
577 return 0;
578}
579
580/*
581 * get widget information
582 */
583const char *snd_hda_get_jack_connectivity(u32 cfg);
584const char *snd_hda_get_jack_type(u32 cfg);
585const char *snd_hda_get_jack_location(u32 cfg);
586
587/*
588 * power saving
589 */
590#ifdef CONFIG_PM
591void snd_hda_power_save(struct hda_codec *codec, int delta, bool d3wait);
592void snd_hda_update_power_acct(struct hda_codec *codec);
593#else
594static inline void snd_hda_power_save(struct hda_codec *codec, int delta,
595 bool d3wait) {}
596#endif
597
598/**
599 * snd_hda_power_up - Power-up the codec
600 * @codec: HD-audio codec
601 *
602 * Increment the power-up counter and power up the hardware really when
603 * not turned on yet.
604 */
605static inline void snd_hda_power_up(struct hda_codec *codec)
606{
607 snd_hda_power_save(codec, 1, false);
608}
609
610/**
611 * snd_hda_power_up_d3wait - Power-up the codec after waiting for any pending
612 * D3 transition to complete. This differs from snd_hda_power_up() when
613 * power_transition == -1. snd_hda_power_up sees this case as a nop,
614 * snd_hda_power_up_d3wait waits for the D3 transition to complete then powers
615 * back up.
616 * @codec: HD-audio codec
617 *
618 * Cancel any power down operation hapenning on the work queue, then power up.
619 */
620static inline void snd_hda_power_up_d3wait(struct hda_codec *codec)
621{
622 snd_hda_power_save(codec, 1, true);
623}
624
625/**
626 * snd_hda_power_down - Power-down the codec
627 * @codec: HD-audio codec
628 *
629 * Decrement the power-up counter and schedules the power-off work if
630 * the counter rearches to zero.
631 */
632static inline void snd_hda_power_down(struct hda_codec *codec)
633{
634 snd_hda_power_save(codec, -1, false);
635}
636
637/**
638 * snd_hda_power_sync - Synchronize the power-save status
639 * @codec: HD-audio codec
640 *
641 * Synchronize the actual power state with the power account;
642 * called when power_save parameter is changed
643 */
644static inline void snd_hda_power_sync(struct hda_codec *codec)
645{
646 snd_hda_power_save(codec, 0, false);
647}
648
649#ifdef CONFIG_SND_HDA_PATCH_LOADER
650/*
651 * patch firmware
652 */
653int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf);
654#endif
655
656#ifdef CONFIG_SND_HDA_DSP_LOADER
657static inline int
658snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
659 unsigned int size,
660 struct snd_dma_buffer *bufp)
661{
662 return codec->bus->ops.load_dsp_prepare(codec->bus, format, size, bufp);
663}
664static inline void
665snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start)
666{
667 return codec->bus->ops.load_dsp_trigger(codec->bus, start);
668}
669static inline void
670snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
671 struct snd_dma_buffer *dmab)
672{
673 return codec->bus->ops.load_dsp_cleanup(codec->bus, dmab);
674}
675#else
676static inline int
677snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
678 unsigned int size,
679 struct snd_dma_buffer *bufp)
680{
681 return -ENOSYS;
682}
683static inline void
684snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {}
685static inline void
686snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
687 struct snd_dma_buffer *dmab) {}
688#endif
689
690#define EXPORT_SYMBOL_HDA(sym) EXPORT_SYMBOL_GPL(sym)
691
692#endif /* __SOUND_HDA_CODEC_H */
Linux kernel - Deliverables
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