1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Universal Interface for Intel High Definition Audio Codec
4 *
5 * Local helper functions
6 *
7 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
8 */
9
10 #ifndef __SOUND_HDA_LOCAL_H
11 #define __SOUND_HDA_LOCAL_H
12
13 /* We abuse kcontrol_new.subdev field to pass the NID corresponding to
14 * the given new control. If id.subdev has a bit flag HDA_SUBDEV_NID_FLAG,
15 * snd_hda_ctl_add() takes the lower-bit subdev value as a valid NID.
16 *
17 * Note that the subdevice field is cleared again before the real registration
18 * in snd_hda_ctl_add(), so that this value won't appear in the outside.
19 */
20 #define HDA_SUBDEV_NID_FLAG (1U << 31)
21 #define HDA_SUBDEV_AMP_FLAG (1U << 30)
22
23 /*
24 * for mixer controls
25 */
26 #define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs) \
27 ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
28 #define HDA_AMP_VAL_MIN_MUTE (1<<29)
29 #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
30 HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
31 /* mono volume with index (index=0,1,...) (channel=1,2) */
32 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, dir, flags) \
33 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
34 .subdevice = HDA_SUBDEV_AMP_FLAG, \
35 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
36 SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
37 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
38 .info = snd_hda_mixer_amp_volume_info, \
39 .get = snd_hda_mixer_amp_volume_get, \
40 .put = snd_hda_mixer_amp_volume_put, \
41 .tlv = { .c = snd_hda_mixer_amp_tlv }, \
42 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, dir) | flags }
43 /* stereo volume with index */
44 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
45 HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction, 0)
46 /* mono volume */
47 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
48 HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction, 0)
49 /* stereo volume */
50 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
51 HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
52 /* stereo volume with min=mute */
53 #define HDA_CODEC_VOLUME_MIN_MUTE(xname, nid, xindex, direction) \
54 HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, 3, xindex, direction, \
55 HDA_AMP_VAL_MIN_MUTE)
56 /* mono mute switch with index (index=0,1,...) (channel=1,2) */
57 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
58 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
59 .subdevice = HDA_SUBDEV_AMP_FLAG, \
60 .info = snd_hda_mixer_amp_switch_info, \
61 .get = snd_hda_mixer_amp_switch_get, \
62 .put = snd_hda_mixer_amp_switch_put, \
63 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
64 /* stereo mute switch with index */
65 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
66 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
67 /* mono mute switch */
68 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
69 HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
70 /* stereo mute switch */
71 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
72 HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
73 #ifdef CONFIG_SND_HDA_INPUT_BEEP
74 /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
75 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
76 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
77 .subdevice = HDA_SUBDEV_AMP_FLAG, \
78 .info = snd_hda_mixer_amp_switch_info, \
79 .get = snd_hda_mixer_amp_switch_get_beep, \
80 .put = snd_hda_mixer_amp_switch_put_beep, \
81 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
82 #else
83 /* no digital beep - just the standard one */
84 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
85 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
86 #endif /* CONFIG_SND_HDA_INPUT_BEEP */
87 /* special beep mono mute switch */
88 #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
89 HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
90 /* special beep stereo mute switch */
91 #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
92 HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
93
94 extern const char *snd_hda_pcm_type_name[];
95
96 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
97 struct snd_ctl_elem_info *uinfo);
98 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
99 struct snd_ctl_elem_value *ucontrol);
100 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
101 struct snd_ctl_elem_value *ucontrol);
102 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
103 unsigned int size, unsigned int __user *_tlv);
104 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
105 struct snd_ctl_elem_info *uinfo);
106 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
107 struct snd_ctl_elem_value *ucontrol);
108 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
109 struct snd_ctl_elem_value *ucontrol);
110 #ifdef CONFIG_SND_HDA_INPUT_BEEP
111 int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol,
112 struct snd_ctl_elem_value *ucontrol);
113 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
114 struct snd_ctl_elem_value *ucontrol);
115 #endif
116 /* lowlevel accessor with caching; use carefully */
117 #define snd_hda_codec_amp_read(codec, nid, ch, dir, idx) \
118 snd_hdac_regmap_get_amp(&(codec)->core, nid, ch, dir, idx)
119 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
120 int ch, int dir, int idx, int mask, int val);
121 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
122 int direction, int idx, int mask, int val);
123 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
124 int direction, int idx, int mask, int val);
125 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
126 int dir, int idx, int mask, int val);
127 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
128 unsigned int *tlv);
129 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
130 const char *name);
131 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
132 unsigned int *tlv, const char * const *followers,
133 const char *suffix, bool init_follower_vol,
134 unsigned int access, struct snd_kcontrol **ctl_ret);
135 #define snd_hda_add_vmaster(codec, name, tlv, followers, suffix, access) \
136 __snd_hda_add_vmaster(codec, name, tlv, followers, suffix, true, access, NULL)
137 int snd_hda_codec_reset(struct hda_codec *codec);
138 void snd_hda_codec_register(struct hda_codec *codec);
139 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec);
140
141 #define snd_hda_regmap_sync(codec) snd_hdac_regmap_sync(&(codec)->core)
142
143 struct hda_vmaster_mute_hook {
144 /* below two fields must be filled by the caller of
145 * snd_hda_add_vmaster_hook() beforehand
146 */
147 struct snd_kcontrol *sw_kctl;
148 void (*hook)(void *, int);
149 /* below are initialized automatically */
150 struct hda_codec *codec;
151 };
152
153 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
154 struct hda_vmaster_mute_hook *hook);
155 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook);
156
157 /* amp value bits */
158 #define HDA_AMP_MUTE 0x80
159 #define HDA_AMP_UNMUTE 0x00
160 #define HDA_AMP_VOLMASK 0x7f
161
162 /*
163 * SPDIF I/O
164 */
165 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
166 hda_nid_t associated_nid,
167 hda_nid_t cvt_nid, int type);
168 #define snd_hda_create_spdif_out_ctls(codec, anid, cnid) \
169 snd_hda_create_dig_out_ctls(codec, anid, cnid, HDA_PCM_TYPE_SPDIF)
170 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
171
172 /*
173 * input MUX helper
174 */
175 #define HDA_MAX_NUM_INPUTS 36
176 struct hda_input_mux_item {
177 char label[32];
178 unsigned int index;
179 };
180 struct hda_input_mux {
181 unsigned int num_items;
182 struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
183 };
184
185 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
186 struct snd_ctl_elem_info *uinfo);
187 int snd_hda_input_mux_put(struct hda_codec *codec,
188 const struct hda_input_mux *imux,
189 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
190 unsigned int *cur_val);
191 int snd_hda_add_imux_item(struct hda_codec *codec,
192 struct hda_input_mux *imux, const char *label,
193 int index, int *type_idx);
194
195 /*
196 * Multi-channel / digital-out PCM helper
197 */
198
199 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
200 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
201
202 #define HDA_MAX_OUTS 5
203
204 struct hda_multi_out {
205 int num_dacs; /* # of DACs, must be more than 1 */
206 const hda_nid_t *dac_nids; /* DAC list */
207 hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
208 hda_nid_t hp_out_nid[HDA_MAX_OUTS]; /* DACs for multiple HPs */
209 hda_nid_t extra_out_nid[HDA_MAX_OUTS]; /* other (e.g. speaker) DACs */
210 hda_nid_t dig_out_nid; /* digital out audio widget */
211 const hda_nid_t *follower_dig_outs;
212 int max_channels; /* currently supported analog channels */
213 int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
214 int no_share_stream; /* don't share a stream with multiple pins */
215 int share_spdif; /* share SPDIF pin */
216 /* PCM information for both analog and SPDIF DACs */
217 unsigned int analog_rates;
218 unsigned int analog_maxbps;
219 u64 analog_formats;
220 unsigned int spdif_rates;
221 unsigned int spdif_maxbps;
222 u64 spdif_formats;
223 };
224
225 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
226 struct hda_multi_out *mout);
227 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
228 struct hda_multi_out *mout);
229 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
230 struct hda_multi_out *mout);
231 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
232 struct hda_multi_out *mout,
233 unsigned int stream_tag,
234 unsigned int format,
235 struct snd_pcm_substream *substream);
236 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
237 struct hda_multi_out *mout);
238 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
239 struct hda_multi_out *mout,
240 struct snd_pcm_substream *substream,
241 struct hda_pcm_stream *hinfo);
242 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
243 struct hda_multi_out *mout,
244 unsigned int stream_tag,
245 unsigned int format,
246 struct snd_pcm_substream *substream);
247 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
248 struct hda_multi_out *mout);
249
250 /*
251 * generic proc interface
252 */
253 #ifdef CONFIG_SND_PROC_FS
254 int snd_hda_codec_proc_new(struct hda_codec *codec);
255 #else
snd_hda_codec_proc_new(struct hda_codec * codec)256 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
257 #endif
258
259 #define SND_PRINT_BITS_ADVISED_BUFSIZE 16
260 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
261
262 /*
263 * Misc
264 */
265 int snd_hda_add_new_ctls(struct hda_codec *codec,
266 const struct snd_kcontrol_new *knew);
267
268 /*
269 * Fix-up pin default configurations and add default verbs
270 */
271
272 struct hda_pintbl {
273 hda_nid_t nid;
274 u32 val;
275 };
276
277 struct hda_model_fixup {
278 const int id;
279 const char *name;
280 };
281
282 struct hda_fixup {
283 int type;
284 bool chained:1; /* call the chained fixup(s) after this */
285 bool chained_before:1; /* call the chained fixup(s) before this */
286 int chain_id;
287 union {
288 const struct hda_pintbl *pins;
289 const struct hda_verb *verbs;
290 void (*func)(struct hda_codec *codec,
291 const struct hda_fixup *fix,
292 int action);
293 } v;
294 };
295
296 struct snd_hda_pin_quirk {
297 unsigned int codec; /* Codec vendor/device ID */
298 unsigned short subvendor; /* PCI subvendor ID */
299 const struct hda_pintbl *pins; /* list of matching pins */
300 #ifdef CONFIG_SND_DEBUG_VERBOSE
301 const char *name;
302 #endif
303 int value; /* quirk value */
304 };
305
306 #ifdef CONFIG_SND_DEBUG_VERBOSE
307
308 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
309 { .codec = _codec,\
310 .subvendor = _subvendor,\
311 .name = _name,\
312 .value = _value,\
313 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
314 }
315 #else
316
317 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
318 { .codec = _codec,\
319 .subvendor = _subvendor,\
320 .value = _value,\
321 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
322 }
323
324 #endif
325
326 #define HDA_FIXUP_ID_NOT_SET -1
327 #define HDA_FIXUP_ID_NO_FIXUP -2
328
329 /* fixup types */
330 enum {
331 HDA_FIXUP_INVALID,
332 HDA_FIXUP_PINS,
333 HDA_FIXUP_VERBS,
334 HDA_FIXUP_FUNC,
335 HDA_FIXUP_PINCTLS,
336 };
337
338 /* fixup action definitions */
339 enum {
340 HDA_FIXUP_ACT_PRE_PROBE,
341 HDA_FIXUP_ACT_PROBE,
342 HDA_FIXUP_ACT_INIT,
343 HDA_FIXUP_ACT_BUILD,
344 HDA_FIXUP_ACT_FREE,
345 };
346
347 int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list);
348 void snd_hda_apply_verbs(struct hda_codec *codec);
349 void snd_hda_apply_pincfgs(struct hda_codec *codec,
350 const struct hda_pintbl *cfg);
351 void snd_hda_apply_fixup(struct hda_codec *codec, int action);
352 void snd_hda_pick_fixup(struct hda_codec *codec,
353 const struct hda_model_fixup *models,
354 const struct snd_pci_quirk *quirk,
355 const struct hda_fixup *fixlist);
356 void snd_hda_pick_pin_fixup(struct hda_codec *codec,
357 const struct snd_hda_pin_quirk *pin_quirk,
358 const struct hda_fixup *fixlist,
359 bool match_all_pins);
360
361 /* helper macros to retrieve pin default-config values */
362 #define get_defcfg_connect(cfg) \
363 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
364 #define get_defcfg_association(cfg) \
365 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
366 #define get_defcfg_location(cfg) \
367 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
368 #define get_defcfg_sequence(cfg) \
369 (cfg & AC_DEFCFG_SEQUENCE)
370 #define get_defcfg_device(cfg) \
371 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
372 #define get_defcfg_misc(cfg) \
373 ((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT)
374
375 /* amp values */
376 #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8))
377 #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8))
378 #define AMP_OUT_MUTE 0xb080
379 #define AMP_OUT_UNMUTE 0xb000
380 #define AMP_OUT_ZERO 0xb000
381 /* pinctl values */
382 #define PIN_IN (AC_PINCTL_IN_EN)
383 #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
384 #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
385 #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
386 #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
387 #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
388 #define PIN_OUT (AC_PINCTL_OUT_EN)
389 #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
390 #define PIN_HP_AMP (AC_PINCTL_HP_EN)
391
392 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin);
393 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
394 hda_nid_t pin, unsigned int val);
395 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
396 unsigned int val, bool cached);
397
398 /**
399 * _snd_hda_set_pin_ctl - Set a pin-control value safely
400 * @codec: the codec instance
401 * @pin: the pin NID to set the control
402 * @val: the pin-control value (AC_PINCTL_* bits)
403 *
404 * This function sets the pin-control value to the given pin, but
405 * filters out the invalid pin-control bits when the pin has no such
406 * capabilities. For example, when PIN_HP is passed but the pin has no
407 * HP-drive capability, the HP bit is omitted.
408 *
409 * The function doesn't check the input VREF capability bits, though.
410 * Use snd_hda_get_default_vref() to guess the right value.
411 * Also, this function is only for analog pins, not for HDMI pins.
412 */
413 static inline int
snd_hda_set_pin_ctl(struct hda_codec * codec,hda_nid_t pin,unsigned int val)414 snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val)
415 {
416 return _snd_hda_set_pin_ctl(codec, pin, val, false);
417 }
418
419 /**
420 * snd_hda_set_pin_ctl_cache - Set a pin-control value safely
421 * @codec: the codec instance
422 * @pin: the pin NID to set the control
423 * @val: the pin-control value (AC_PINCTL_* bits)
424 *
425 * Just like snd_hda_set_pin_ctl() but write to cache as well.
426 */
427 static inline int
snd_hda_set_pin_ctl_cache(struct hda_codec * codec,hda_nid_t pin,unsigned int val)428 snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin,
429 unsigned int val)
430 {
431 return _snd_hda_set_pin_ctl(codec, pin, val, true);
432 }
433
434 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid);
435 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
436 unsigned int val);
437
438 #define for_each_hda_codec_node(nid, codec) \
439 for ((nid) = (codec)->core.start_nid; (nid) < (codec)->core.end_nid; (nid)++)
440
441 /*
442 * get widget capabilities
443 */
get_wcaps(struct hda_codec * codec,hda_nid_t nid)444 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
445 {
446 if (nid < codec->core.start_nid ||
447 nid >= codec->core.start_nid + codec->core.num_nodes)
448 return 0;
449 return codec->wcaps[nid - codec->core.start_nid];
450 }
451
452 /* get the widget type from widget capability bits */
get_wcaps_type(unsigned int wcaps)453 static inline int get_wcaps_type(unsigned int wcaps)
454 {
455 if (!wcaps)
456 return -1; /* invalid type */
457 return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
458 }
459
get_wcaps_channels(u32 wcaps)460 static inline unsigned int get_wcaps_channels(u32 wcaps)
461 {
462 unsigned int chans;
463
464 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
465 chans = ((chans << 1) | 1) + 1;
466
467 return chans;
468 }
469
snd_hda_override_wcaps(struct hda_codec * codec,hda_nid_t nid,u32 val)470 static inline void snd_hda_override_wcaps(struct hda_codec *codec,
471 hda_nid_t nid, u32 val)
472 {
473 if (nid >= codec->core.start_nid &&
474 nid < codec->core.start_nid + codec->core.num_nodes)
475 codec->wcaps[nid - codec->core.start_nid] = val;
476 }
477
478 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
479 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
480 unsigned int caps);
481 /**
482 * snd_hda_query_pin_caps - Query PIN capabilities
483 * @codec: the HD-auio codec
484 * @nid: the NID to query
485 *
486 * Query PIN capabilities for the given widget.
487 * Returns the obtained capability bits.
488 *
489 * When cap bits have been already read, this doesn't read again but
490 * returns the cached value.
491 */
492 static inline u32
snd_hda_query_pin_caps(struct hda_codec * codec,hda_nid_t nid)493 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
494 {
495 return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
496
497 }
498
499 /**
500 * snd_hda_override_pin_caps - Override the pin capabilities
501 * @codec: the CODEC
502 * @nid: the NID to override
503 * @caps: the capability bits to set
504 *
505 * Override the cached PIN capabilitiy bits value by the given one.
506 *
507 * Returns zero if successful or a negative error code.
508 */
509 static inline int
snd_hda_override_pin_caps(struct hda_codec * codec,hda_nid_t nid,unsigned int caps)510 snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
511 unsigned int caps)
512 {
513 return snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, caps);
514 }
515
516 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
517 int dir, unsigned int bits);
518
519 #define nid_has_mute(codec, nid, dir) \
520 snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
521 #define nid_has_volume(codec, nid, dir) \
522 snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
523
524
525 /* flags for hda_nid_item */
526 #define HDA_NID_ITEM_AMP (1<<0)
527
528 struct hda_nid_item {
529 struct snd_kcontrol *kctl;
530 unsigned int index;
531 hda_nid_t nid;
532 unsigned short flags;
533 };
534
535 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
536 struct snd_kcontrol *kctl);
537 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
538 unsigned int index, hda_nid_t nid);
539 void snd_hda_ctls_clear(struct hda_codec *codec);
540
541 /*
542 * hwdep interface
543 */
544 #ifdef CONFIG_SND_HDA_HWDEP
545 int snd_hda_create_hwdep(struct hda_codec *codec);
546 #else
snd_hda_create_hwdep(struct hda_codec * codec)547 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
548 #endif
549
550 void snd_hda_sysfs_init(struct hda_codec *codec);
551 void snd_hda_sysfs_clear(struct hda_codec *codec);
552
553 extern const struct attribute_group *snd_hda_dev_attr_groups[];
554
555 #ifdef CONFIG_SND_HDA_RECONFIG
556 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
557 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
558 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp);
559 #else
560 static inline
snd_hda_get_hint(struct hda_codec * codec,const char * key)561 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
562 {
563 return NULL;
564 }
565
566 static inline
snd_hda_get_bool_hint(struct hda_codec * codec,const char * key)567 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
568 {
569 return -ENOENT;
570 }
571
572 static inline
snd_hda_get_int_hint(struct hda_codec * codec,const char * key,int * valp)573 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp)
574 {
575 return -ENOENT;
576 }
577 #endif
578
579 /*
580 * power-management
581 */
582
583 void snd_hda_schedule_power_save(struct hda_codec *codec);
584
585 struct hda_amp_list {
586 hda_nid_t nid;
587 unsigned char dir;
588 unsigned char idx;
589 };
590
591 struct hda_loopback_check {
592 const struct hda_amp_list *amplist;
593 int power_on;
594 };
595
596 int snd_hda_check_amp_list_power(struct hda_codec *codec,
597 struct hda_loopback_check *check,
598 hda_nid_t nid);
599
600 /* check whether the actual power state matches with the target state */
601 static inline bool
snd_hda_check_power_state(struct hda_codec * codec,hda_nid_t nid,unsigned int target_state)602 snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid,
603 unsigned int target_state)
604 {
605 return snd_hdac_check_power_state(&codec->core, nid, target_state);
606 }
607
snd_hda_sync_power_state(struct hda_codec * codec,hda_nid_t nid,unsigned int target_state)608 static inline unsigned int snd_hda_sync_power_state(struct hda_codec *codec,
609 hda_nid_t nid,
610 unsigned int target_state)
611 {
612 return snd_hdac_sync_power_state(&codec->core, nid, target_state);
613 }
614 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
615 hda_nid_t nid,
616 unsigned int power_state);
617
618 void snd_hda_codec_shutdown(struct hda_codec *codec);
619
620 /*
621 * AMP control callbacks
622 */
623 /* retrieve parameters from private_value */
624 #define get_amp_nid_(pv) ((pv) & 0xffff)
625 #define get_amp_nid(kc) get_amp_nid_((kc)->private_value)
626 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
627 #define get_amp_direction_(pv) (((pv) >> 18) & 0x1)
628 #define get_amp_direction(kc) get_amp_direction_((kc)->private_value)
629 #define get_amp_index_(pv) (((pv) >> 19) & 0xf)
630 #define get_amp_index(kc) get_amp_index_((kc)->private_value)
631 #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f)
632 #define get_amp_min_mute(kc) (((kc)->private_value >> 29) & 0x1)
633
634 /*
635 * enum control helper
636 */
637 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
638 struct snd_ctl_elem_info *uinfo,
639 int num_items, const char * const *texts);
640 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \
641 snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL)
642
643 /*
644 * CEA Short Audio Descriptor data
645 */
646 struct cea_sad {
647 int channels;
648 int format; /* (format == 0) indicates invalid SAD */
649 int rates;
650 int sample_bits; /* for LPCM */
651 int max_bitrate; /* for AC3...ATRAC */
652 int profile; /* for WMAPRO */
653 };
654
655 #define ELD_FIXED_BYTES 20
656 #define ELD_MAX_SIZE 256
657 #define ELD_MAX_MNL 16
658 #define ELD_MAX_SAD 16
659
660 /*
661 * ELD: EDID Like Data
662 */
663 struct parsed_hdmi_eld {
664 /*
665 * all fields will be cleared before updating ELD
666 */
667 int baseline_len;
668 int eld_ver;
669 int cea_edid_ver;
670 char monitor_name[ELD_MAX_MNL + 1];
671 int manufacture_id;
672 int product_id;
673 u64 port_id;
674 int support_hdcp;
675 int support_ai;
676 int conn_type;
677 int aud_synch_delay;
678 int spk_alloc;
679 int sad_count;
680 struct cea_sad sad[ELD_MAX_SAD];
681 };
682
683 struct hdmi_eld {
684 bool monitor_present;
685 bool eld_valid;
686 int eld_size;
687 char eld_buffer[ELD_MAX_SIZE];
688 struct parsed_hdmi_eld info;
689 };
690
691 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
692 int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid,
693 unsigned char *buf, int *eld_size);
694 int snd_hdmi_parse_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e,
695 const unsigned char *buf, int size);
696 void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e);
697 void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e,
698 struct hda_pcm_stream *hinfo);
699
700 int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid,
701 unsigned char *buf, int *eld_size,
702 bool rev3_or_later);
703
704 #ifdef CONFIG_SND_PROC_FS
705 void snd_hdmi_print_eld_info(struct hdmi_eld *eld,
706 struct snd_info_buffer *buffer);
707 void snd_hdmi_write_eld_info(struct hdmi_eld *eld,
708 struct snd_info_buffer *buffer);
709 #endif
710
711 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
712 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
713
714 void snd_hda_codec_display_power(struct hda_codec *codec, bool enable);
715
716 /*
717 */
718 #define codec_err(codec, fmt, args...) \
719 dev_err(hda_codec_dev(codec), fmt, ##args)
720 #define codec_warn(codec, fmt, args...) \
721 dev_warn(hda_codec_dev(codec), fmt, ##args)
722 #define codec_info(codec, fmt, args...) \
723 dev_info(hda_codec_dev(codec), fmt, ##args)
724 #define codec_dbg(codec, fmt, args...) \
725 dev_dbg(hda_codec_dev(codec), fmt, ##args)
726
727 #endif /* __SOUND_HDA_LOCAL_H */
728
