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1/*
2 * Universal Interface for Intel High Definition Audio Codec
3 *
4 * Local helper functions
5 *
6 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * more details.
17 *
18 * You should have received a copy of the GNU General Public License along with
19 * this program; if not, write to the Free Software Foundation, Inc., 59
20 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 */
22
23#ifndef __SOUND_HDA_LOCAL_H
24#define __SOUND_HDA_LOCAL_H
25
26/* We abuse kcontrol_new.subdev field to pass the NID corresponding to
27 * the given new control. If id.subdev has a bit flag HDA_SUBDEV_NID_FLAG,
28 * snd_hda_ctl_add() takes the lower-bit subdev value as a valid NID.
29 *
30 * Note that the subdevice field is cleared again before the real registration
31 * in snd_hda_ctl_add(), so that this value won't appear in the outside.
32 */
33#define HDA_SUBDEV_NID_FLAG (1U << 31)
34#define HDA_SUBDEV_AMP_FLAG (1U << 30)
35
36/*
37 * for mixer controls
38 */
39#define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs) \
40 ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
41#define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
42 HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
43/* mono volume with index (index=0,1,...) (channel=1,2) */
44#define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
45 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
46 .subdevice = HDA_SUBDEV_AMP_FLAG, \
47 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
48 SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
49 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
50 .info = snd_hda_mixer_amp_volume_info, \
51 .get = snd_hda_mixer_amp_volume_get, \
52 .put = snd_hda_mixer_amp_volume_put, \
53 .tlv = { .c = snd_hda_mixer_amp_tlv }, \
54 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
55/* stereo volume with index */
56#define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
57 HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
58/* mono volume */
59#define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
60 HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
61/* stereo volume */
62#define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
63 HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
64/* mono mute switch with index (index=0,1,...) (channel=1,2) */
65#define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
66 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
67 .subdevice = HDA_SUBDEV_AMP_FLAG, \
68 .info = snd_hda_mixer_amp_switch_info, \
69 .get = snd_hda_mixer_amp_switch_get, \
70 .put = snd_hda_mixer_amp_switch_put, \
71 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
72/* stereo mute switch with index */
73#define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
74 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
75/* mono mute switch */
76#define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
77 HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
78/* stereo mute switch */
79#define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
80 HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
81#ifdef CONFIG_SND_HDA_INPUT_BEEP
82/* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
83#define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
84 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
85 .subdevice = HDA_SUBDEV_AMP_FLAG, \
86 .info = snd_hda_mixer_amp_switch_info, \
87 .get = snd_hda_mixer_amp_switch_get, \
88 .put = snd_hda_mixer_amp_switch_put_beep, \
89 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
90#else
91/* no digital beep - just the standard one */
92#define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
93 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
94#endif /* CONFIG_SND_HDA_INPUT_BEEP */
95/* special beep mono mute switch */
96#define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
97 HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
98/* special beep stereo mute switch */
99#define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
100 HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
101
102extern const char *snd_hda_pcm_type_name[];
103
104int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
105 struct snd_ctl_elem_info *uinfo);
106int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
107 struct snd_ctl_elem_value *ucontrol);
108int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
109 struct snd_ctl_elem_value *ucontrol);
110int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
111 unsigned int size, unsigned int __user *tlv);
112int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
113 struct snd_ctl_elem_info *uinfo);
114int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
115 struct snd_ctl_elem_value *ucontrol);
116int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
117 struct snd_ctl_elem_value *ucontrol);
118#ifdef CONFIG_SND_HDA_INPUT_BEEP
119int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
120 struct snd_ctl_elem_value *ucontrol);
121#endif
122/* lowlevel accessor with caching; use carefully */
123int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
124 int direction, int index);
125int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
126 int direction, int idx, int mask, int val);
127int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
128 int dir, int idx, int mask, int val);
129#ifdef SND_HDA_NEEDS_RESUME
130void snd_hda_codec_resume_amp(struct hda_codec *codec);
131#endif
132
133void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
134 unsigned int *tlv);
135struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
136 const char *name);
137int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
138 unsigned int *tlv, const char **slaves);
139int snd_hda_codec_reset(struct hda_codec *codec);
140
141/* amp value bits */
142#define HDA_AMP_MUTE 0x80
143#define HDA_AMP_UNMUTE 0x00
144#define HDA_AMP_VOLMASK 0x7f
145
146/* mono switch binding multiple inputs */
147#define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
148 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
149 .info = snd_hda_mixer_amp_switch_info, \
150 .get = snd_hda_mixer_bind_switch_get, \
151 .put = snd_hda_mixer_bind_switch_put, \
152 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
153
154/* stereo switch binding multiple inputs */
155#define HDA_BIND_MUTE(xname,nid,indices,dir) \
156 HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
157
158int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
159 struct snd_ctl_elem_value *ucontrol);
160int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
161 struct snd_ctl_elem_value *ucontrol);
162
163/* more generic bound controls */
164struct hda_ctl_ops {
165 snd_kcontrol_info_t *info;
166 snd_kcontrol_get_t *get;
167 snd_kcontrol_put_t *put;
168 snd_kcontrol_tlv_rw_t *tlv;
169};
170
171extern struct hda_ctl_ops snd_hda_bind_vol; /* for bind-volume with TLV */
172extern struct hda_ctl_ops snd_hda_bind_sw; /* for bind-switch */
173
174struct hda_bind_ctls {
175 struct hda_ctl_ops *ops;
176 unsigned long values[];
177};
178
179int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
180 struct snd_ctl_elem_info *uinfo);
181int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
182 struct snd_ctl_elem_value *ucontrol);
183int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
184 struct snd_ctl_elem_value *ucontrol);
185int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
186 unsigned int size, unsigned int __user *tlv);
187
188#define HDA_BIND_VOL(xname, bindrec) \
189 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
190 .name = xname, \
191 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
192 SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
193 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
194 .info = snd_hda_mixer_bind_ctls_info,\
195 .get = snd_hda_mixer_bind_ctls_get,\
196 .put = snd_hda_mixer_bind_ctls_put,\
197 .tlv = { .c = snd_hda_mixer_bind_tlv },\
198 .private_value = (long) (bindrec) }
199#define HDA_BIND_SW(xname, bindrec) \
200 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
201 .name = xname, \
202 .info = snd_hda_mixer_bind_ctls_info,\
203 .get = snd_hda_mixer_bind_ctls_get,\
204 .put = snd_hda_mixer_bind_ctls_put,\
205 .private_value = (long) (bindrec) }
206
207/*
208 * SPDIF I/O
209 */
210int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
211int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
212
213/*
214 * input MUX helper
215 */
216#define HDA_MAX_NUM_INPUTS 16
217struct hda_input_mux_item {
218 const char *label;
219 unsigned int index;
220};
221struct hda_input_mux {
222 unsigned int num_items;
223 struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
224};
225
226int snd_hda_input_mux_info(const struct hda_input_mux *imux,
227 struct snd_ctl_elem_info *uinfo);
228int snd_hda_input_mux_put(struct hda_codec *codec,
229 const struct hda_input_mux *imux,
230 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
231 unsigned int *cur_val);
232
233/*
234 * Channel mode helper
235 */
236struct hda_channel_mode {
237 int channels;
238 const struct hda_verb *sequence;
239};
240
241int snd_hda_ch_mode_info(struct hda_codec *codec,
242 struct snd_ctl_elem_info *uinfo,
243 const struct hda_channel_mode *chmode,
244 int num_chmodes);
245int snd_hda_ch_mode_get(struct hda_codec *codec,
246 struct snd_ctl_elem_value *ucontrol,
247 const struct hda_channel_mode *chmode,
248 int num_chmodes,
249 int max_channels);
250int snd_hda_ch_mode_put(struct hda_codec *codec,
251 struct snd_ctl_elem_value *ucontrol,
252 const struct hda_channel_mode *chmode,
253 int num_chmodes,
254 int *max_channelsp);
255
256/*
257 * Multi-channel / digital-out PCM helper
258 */
259
260enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
261enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
262
263struct hda_multi_out {
264 int num_dacs; /* # of DACs, must be more than 1 */
265 hda_nid_t *dac_nids; /* DAC list */
266 hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
267 hda_nid_t extra_out_nid[3]; /* optional DACs, 0 when not exists */
268 hda_nid_t dig_out_nid; /* digital out audio widget */
269 hda_nid_t *slave_dig_outs;
270 int max_channels; /* currently supported analog channels */
271 int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
272 int no_share_stream; /* don't share a stream with multiple pins */
273 int share_spdif; /* share SPDIF pin */
274 /* PCM information for both analog and SPDIF DACs */
275 unsigned int analog_rates;
276 unsigned int analog_maxbps;
277 u64 analog_formats;
278 unsigned int spdif_rates;
279 unsigned int spdif_maxbps;
280 u64 spdif_formats;
281};
282
283int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
284 struct hda_multi_out *mout);
285int snd_hda_multi_out_dig_open(struct hda_codec *codec,
286 struct hda_multi_out *mout);
287int snd_hda_multi_out_dig_close(struct hda_codec *codec,
288 struct hda_multi_out *mout);
289int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
290 struct hda_multi_out *mout,
291 unsigned int stream_tag,
292 unsigned int format,
293 struct snd_pcm_substream *substream);
294int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
295 struct hda_multi_out *mout);
296int snd_hda_multi_out_analog_open(struct hda_codec *codec,
297 struct hda_multi_out *mout,
298 struct snd_pcm_substream *substream,
299 struct hda_pcm_stream *hinfo);
300int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
301 struct hda_multi_out *mout,
302 unsigned int stream_tag,
303 unsigned int format,
304 struct snd_pcm_substream *substream);
305int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
306 struct hda_multi_out *mout);
307
308/*
309 * generic codec parser
310 */
311#ifdef CONFIG_SND_HDA_GENERIC
312int snd_hda_parse_generic_codec(struct hda_codec *codec);
313#else
314static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
315{
316 return -ENODEV;
317}
318#endif
319
320/*
321 * generic proc interface
322 */
323#ifdef CONFIG_PROC_FS
324int snd_hda_codec_proc_new(struct hda_codec *codec);
325#else
326static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
327#endif
328
329#define SND_PRINT_RATES_ADVISED_BUFSIZE 80
330void snd_print_pcm_rates(int pcm, char *buf, int buflen);
331
332#define SND_PRINT_BITS_ADVISED_BUFSIZE 16
333void snd_print_pcm_bits(int pcm, char *buf, int buflen);
334
335/*
336 * Misc
337 */
338int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
339 const char **modelnames,
340 const struct snd_pci_quirk *pci_list);
341int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
342 int num_configs, const char **models,
343 const struct snd_pci_quirk *tbl);
344int snd_hda_add_new_ctls(struct hda_codec *codec,
345 struct snd_kcontrol_new *knew);
346
347/*
348 * unsolicited event handler
349 */
350
351#define HDA_UNSOL_QUEUE_SIZE 64
352
353struct hda_bus_unsolicited {
354 /* ring buffer */
355 u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
356 unsigned int rp, wp;
357
358 /* workqueue */
359 struct work_struct work;
360 struct hda_bus *bus;
361};
362
363/*
364 * Helper for automatic pin configuration
365 */
366
367enum {
368 AUTO_PIN_MIC,
369 AUTO_PIN_FRONT_MIC,
370 AUTO_PIN_LINE,
371 AUTO_PIN_FRONT_LINE,
372 AUTO_PIN_CD,
373 AUTO_PIN_AUX,
374 AUTO_PIN_LAST
375};
376
377enum {
378 AUTO_PIN_LINE_OUT,
379 AUTO_PIN_SPEAKER_OUT,
380 AUTO_PIN_HP_OUT
381};
382
383extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
384
385#define AUTO_CFG_MAX_OUTS 5
386
387struct auto_pin_cfg {
388 int line_outs;
389 /* sorted in the order of Front/Surr/CLFE/Side */
390 hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
391 int speaker_outs;
392 hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
393 int hp_outs;
394 int line_out_type; /* AUTO_PIN_XXX_OUT */
395 hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
396 hda_nid_t input_pins[AUTO_PIN_LAST];
397 int dig_outs;
398 hda_nid_t dig_out_pins[2];
399 hda_nid_t dig_in_pin;
400 hda_nid_t mono_out_pin;
401 int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
402 int dig_in_type; /* HDA_PCM_TYPE_XXX */
403};
404
405#define get_defcfg_connect(cfg) \
406 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
407#define get_defcfg_association(cfg) \
408 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
409#define get_defcfg_location(cfg) \
410 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
411#define get_defcfg_sequence(cfg) \
412 (cfg & AC_DEFCFG_SEQUENCE)
413#define get_defcfg_device(cfg) \
414 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
415
416int snd_hda_parse_pin_def_config(struct hda_codec *codec,
417 struct auto_pin_cfg *cfg,
418 hda_nid_t *ignore_nids);
419
420/* amp values */
421#define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8))
422#define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8))
423#define AMP_OUT_MUTE 0xb080
424#define AMP_OUT_UNMUTE 0xb000
425#define AMP_OUT_ZERO 0xb000
426/* pinctl values */
427#define PIN_IN (AC_PINCTL_IN_EN)
428#define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
429#define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
430#define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
431#define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
432#define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
433#define PIN_OUT (AC_PINCTL_OUT_EN)
434#define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
435#define PIN_HP_AMP (AC_PINCTL_HP_EN)
436
437/*
438 * get widget capabilities
439 */
440static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
441{
442 if (nid < codec->start_nid ||
443 nid >= codec->start_nid + codec->num_nodes)
444 return 0;
445 return codec->wcaps[nid - codec->start_nid];
446}
447
448/* get the widget type from widget capability bits */
449#define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
450
451static inline unsigned int get_wcaps_channels(u32 wcaps)
452{
453 unsigned int chans;
454
455 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
456 chans = ((chans << 1) | 1) + 1;
457
458 return chans;
459}
460
461u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
462int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
463 unsigned int caps);
464u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
465u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
466int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
467
468/* flags for hda_nid_item */
469#define HDA_NID_ITEM_AMP (1<<0)
470
471struct hda_nid_item {
472 struct snd_kcontrol *kctl;
473 unsigned int index;
474 hda_nid_t nid;
475 unsigned short flags;
476};
477
478int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
479 struct snd_kcontrol *kctl);
480int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
481 unsigned int index, hda_nid_t nid);
482void snd_hda_ctls_clear(struct hda_codec *codec);
483
484/*
485 * hwdep interface
486 */
487#ifdef CONFIG_SND_HDA_HWDEP
488int snd_hda_create_hwdep(struct hda_codec *codec);
489#else
490static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
491#endif
492
493#if defined(CONFIG_SND_HDA_POWER_SAVE) && defined(CONFIG_SND_HDA_HWDEP)
494int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec);
495#else
496static inline int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec)
497{
498 return 0;
499}
500#endif
501
502#ifdef CONFIG_SND_HDA_RECONFIG
503int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
504#else
505static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
506{
507 return 0;
508}
509#endif
510
511#ifdef CONFIG_SND_HDA_RECONFIG
512const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
513int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
514#else
515static inline
516const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
517{
518 return NULL;
519}
520
521static inline
522int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
523{
524 return -ENOENT;
525}
526#endif
527
528/*
529 * power-management
530 */
531
532#ifdef CONFIG_SND_HDA_POWER_SAVE
533void snd_hda_schedule_power_save(struct hda_codec *codec);
534
535struct hda_amp_list {
536 hda_nid_t nid;
537 unsigned char dir;
538 unsigned char idx;
539};
540
541struct hda_loopback_check {
542 struct hda_amp_list *amplist;
543 int power_on;
544};
545
546int snd_hda_check_amp_list_power(struct hda_codec *codec,
547 struct hda_loopback_check *check,
548 hda_nid_t nid);
549#endif /* CONFIG_SND_HDA_POWER_SAVE */
550
551/*
552 * AMP control callbacks
553 */
554/* retrieve parameters from private_value */
555#define get_amp_nid_(pv) ((pv) & 0xffff)
556#define get_amp_nid(kc) get_amp_nid_((kc)->private_value)
557#define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
558#define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
559#define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
560#define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f)
561
562/*
563 * CEA Short Audio Descriptor data
564 */
565struct cea_sad {
566 int channels;
567 int format; /* (format == 0) indicates invalid SAD */
568 int rates;
569 int sample_bits; /* for LPCM */
570 int max_bitrate; /* for AC3...ATRAC */
571 int profile; /* for WMAPRO */
572};
573
574#define ELD_FIXED_BYTES 20
575#define ELD_MAX_MNL 16
576#define ELD_MAX_SAD 16
577
578/*
579 * ELD: EDID Like Data
580 */
581struct hdmi_eld {
582 bool monitor_present;
583 bool eld_valid;
584 int eld_size;
585 int baseline_len;
586 int eld_ver;
587 int cea_edid_ver;
588 char monitor_name[ELD_MAX_MNL + 1];
589 int manufacture_id;
590 int product_id;
591 u64 port_id;
592 int support_hdcp;
593 int support_ai;
594 int conn_type;
595 int aud_synch_delay;
596 int spk_alloc;
597 int sad_count;
598 struct cea_sad sad[ELD_MAX_SAD];
599#ifdef CONFIG_PROC_FS
600 struct snd_info_entry *proc_entry;
601#endif
602};
603
604int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
605int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
606void snd_hdmi_show_eld(struct hdmi_eld *eld);
607
608#ifdef CONFIG_PROC_FS
609int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
610 int index);
611void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
612#else
613static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
614 struct hdmi_eld *eld,
615 int index)
616{
617 return 0;
618}
619static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
620 struct hdmi_eld *eld)
621{
622}
623#endif
624
625#define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
626void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
627
628#endif /* __SOUND_HDA_LOCAL_H */
generated by cgit v1.2.3 (git 2.39.1) at 2026-09-20 15:32:27 +0000