source: GPL/trunk/alsa-kernel/include/sound/hda_codec.h

Last change on this file was 777, checked in by David Azarewicz, 6 months ago

Merge from uniaud32-exp branch
File size: 18.1 KB
Line 
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
25struct hda_bus;
26struct hda_beep;
27struct hda_codec;
28struct hda_pcm;
29struct 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 */
37struct 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 */
76typedef 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
89struct hda_codec_driver {
90 struct hdac_driver core;
91 const struct hda_device_id *id;
92};
93
94int __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)
98void 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 */
104struct 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 */
119struct 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 */
135struct 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 */
149enum {
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 */
159struct 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 */
173struct 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
199 /* widget capabilities cache */
200 u32 *wcaps;
201
202 struct snd_array mixers; /* list of assigned mixer elements */
203 struct snd_array nids; /* list of mapped mixer elements */
204
205 struct list_head conn_list; /* linked-list of connection-list */
206
207 struct mutex spdif_mutex;
208 struct mutex control_mutex;
209 struct snd_array spdif_out;
210 unsigned int spdif_in_enable; /* SPDIF input enable? */
211 const hda_nid_t *follower_dig_outs; /* optional digital out follower widgets */
212 struct snd_array init_pins; /* initial (BIOS) pin configurations */
213 struct snd_array driver_pins; /* pin configs set by codec parser */
214 struct snd_array cvt_setups; /* audio convert setups */
215
216 struct mutex user_mutex;
217#ifdef CONFIG_SND_HDA_RECONFIG
218 struct snd_array init_verbs; /* additional init verbs */
219 struct snd_array hints; /* additional hints */
220 struct snd_array user_pins; /* default pin configs to override */
221#endif
222
223#ifdef CONFIG_SND_HDA_HWDEP
224 struct snd_hwdep *hwdep; /* assigned hwdep device */
225#endif
226
227 /* misc flags */
228 unsigned int configured:1; /* codec was configured */
229 unsigned int in_freeing:1; /* being released */
230 unsigned int display_power_control:1; /* needs display power */
231 unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each
232 * status change
233 * (e.g. Realtek codecs)
234 */
235 unsigned int pin_amp_workaround:1; /* pin out-amp takes index
236 * (e.g. Conexant codecs)
237 */
238 unsigned int single_adc_amp:1; /* adc in-amp takes no index
239 * (e.g. CX20549 codec)
240 */
241 unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
242 unsigned int pins_shutup:1; /* pins are shut up */
243 unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
244 unsigned int no_jack_detect:1; /* Machine has no jack-detection */
245 unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */
246 unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */
247 unsigned int pcm_format_first:1; /* PCM format must be set first */
248 unsigned int cached_write:1; /* write only to caches */
249 unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */
250 unsigned int dump_coef:1; /* dump processing coefs in codec proc file */
251 unsigned int power_save_node:1; /* advanced PM for each widget */
252 unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */
253 unsigned int force_pin_prefix:1; /* Add location prefix */
254 unsigned int link_down_at_suspend:1; /* link down at runtime suspend */
255 unsigned int relaxed_resume:1; /* don't resume forcibly for jack */
256 unsigned int forced_resume:1; /* forced resume for jack */
257 unsigned int no_stream_clean_at_suspend:1; /* do not clean streams at suspend */
258 unsigned int ctl_dev_id:1; /* old control element id build behaviour */
259
260 unsigned long power_on_acct;
261 unsigned long power_off_acct;
262 unsigned long power_jiffies;
263
264 /* filter the requested power state per nid */
265 unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid,
266 unsigned int power_state);
267
268 /* codec-specific additional proc output */
269 void (*proc_widget_hook)(struct snd_info_buffer *buffer,
270 struct hda_codec *codec, hda_nid_t nid);
271
272 /* jack detection */
273 struct snd_array jacktbl;
274 unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */
275 struct delayed_work jackpoll_work;
276
277 int depop_delay; /* depop delay in ms, -1 for default delay time */
278
279 /* fix-up list */
280 int fixup_id;
281 const struct hda_fixup *fixup_list;
282 const char *fixup_name;
283
284 /* additional init verbs */
285 struct snd_array verbs;
286};
287
288#define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, core.dev)
289#define hda_codec_dev(_dev) (&(_dev)->core.dev)
290
291#define hdac_to_hda_codec(_hdac) container_of(_hdac, struct hda_codec, core)
292
293#define list_for_each_codec(c, bus) \
294 list_for_each_entry(c, &(bus)->core.codec_list, core.list, struct hda_codec)
295#define list_for_each_codec_safe(c, n, bus) \
296 list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list, struct hda_codec)
297
298/* snd_hda_codec_read/write optional flags */
299#define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0)
300
301/*
302 * constructors
303 */
304#ifndef TARGET_OS2
305__printf(3, 4)
306#endif
307struct hda_codec *
308snd_hda_codec_device_init(struct hda_bus *bus, unsigned int codec_addr,
309 const char *fmt, ...);
310int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
311 unsigned int codec_addr, struct hda_codec **codecp);
312int 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);
315int snd_hda_codec_configure(struct hda_codec *codec);
316int snd_hda_codec_update_widgets(struct hda_codec *codec);
317void snd_hda_codec_register(struct hda_codec *codec);
318void snd_hda_codec_unregister(struct hda_codec *codec);
319void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec);
320
321/*
322 * low level functions
323 */
324static inline unsigned int
325snd_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
332static inline int
333snd_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)
343int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
344 hda_nid_t *conn_list, int max_conns);
345static inline int
346snd_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
356int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
357 const hda_nid_t **listp);
358int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums,
359 const hda_nid_t *list);
360int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
361 hda_nid_t nid, int recursive);
362unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid);
363int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
364 u8 *dev_list, int max_devices);
365int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid);
366int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id);
367
368struct hda_verb {
369 hda_nid_t nid;
370 u32 verb;
371 u32 param;
372};
373
374void snd_hda_sequence_write(struct hda_codec *codec,
375 const struct hda_verb *seq);
376
377/* cached write */
378static inline int
379snd_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 */
386struct 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
393unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
394int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
395 unsigned int cfg);
396int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
397 hda_nid_t nid, unsigned int cfg); /* for hwdep */
398void snd_hda_shutup_pins(struct hda_codec *codec);
399
400/* SPDIF controls */
401struct 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};
406struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
407 hda_nid_t nid);
408void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx);
409void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid);
410
411/*
412 * Mixer
413 */
414int snd_hda_codec_build_controls(struct hda_codec *codec);
415
416/*
417 * PCM
418 */
419int snd_hda_codec_parse_pcms(struct hda_codec *codec);
420int snd_hda_codec_build_pcms(struct hda_codec *codec);
421
422#ifndef TARGET_OS2
423__printf(2, 3)
424#endif
425struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
426 const char *fmt, ...);
427
428void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec);
429
430static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm)
431{
432 refcount_inc(&pcm->codec->pcm_ref);
433}
434void snd_hda_codec_pcm_put(struct hda_pcm *pcm);
435
436int snd_hda_codec_prepare(struct hda_codec *codec,
437 struct hda_pcm_stream *hinfo,
438 unsigned int stream,
439 unsigned int format,
440 struct snd_pcm_substream *substream);
441void snd_hda_codec_cleanup(struct hda_codec *codec,
442 struct hda_pcm_stream *hinfo,
443 struct snd_pcm_substream *substream);
444
445void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
446 u32 stream_tag,
447 int channel_id, int format);
448void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
449 int do_now);
450#define snd_hda_codec_cleanup_stream(codec, nid) \
451 __snd_hda_codec_cleanup_stream(codec, nid, 0)
452
453#define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, subfmtp, bpsp) \
454 snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, subfmtp, bpsp)
455#define snd_hda_is_supported_format(codec, nid, fmt) \
456 snd_hdac_is_supported_format(&(codec)->core, nid, fmt)
457
458extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[];
459
460int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec,
461 struct hda_pcm *cpcm);
462
463/*
464 * Misc
465 */
466void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
467void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
468 unsigned int power_state);
469
470int snd_hda_lock_devices(struct hda_bus *bus);
471void snd_hda_unlock_devices(struct hda_bus *bus);
472void snd_hda_bus_reset(struct hda_bus *bus);
473void snd_hda_bus_reset_codecs(struct hda_bus *bus);
474
475int snd_hda_codec_set_name(struct hda_codec *codec, const char *name);
476
477/*
478 * power management
479 */
480extern const struct dev_pm_ops hda_codec_driver_pm;
481
482static inline
483int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid)
484{
485 if (codec->patch_ops.check_power_status)
486 return codec->patch_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)
497void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay);
498void snd_hda_set_power_save(struct hda_bus *bus, int delay);
499void snd_hda_update_power_acct(struct hda_codec *codec);
500
501static 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 */
510int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf);
511#endif
512
513#ifdef CONFIG_SND_HDA_DSP_LOADER
514int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
515 unsigned int size,
516 struct snd_dma_buffer *bufp);
517void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start);
518void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
519 struct snd_dma_buffer *dmab);
520#else
521static inline int
522snd_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}
528static inline void
529snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {}
530static inline void
531snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
532 struct snd_dma_buffer *dmab) {}
533#endif
534
535#endif /* __SOUND_HDA_CODEC_H */
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