2 * Universal Interface for Intel High Definition Audio Codec
4 * Local helper functions
6 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
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)
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
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.
23 #ifndef __SOUND_HDA_LOCAL_H
24 #define __SOUND_HDA_LOCAL_H
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.
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.
33 #define HDA_SUBDEV_NID_FLAG (1U << 31)
34 #define HDA_SUBDEV_AMP_FLAG (1U << 30)
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_AMP_VAL_MIN_MUTE (1<<29)
42 #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
43 HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
44 /* mono volume with index (index=0,1,...) (channel=1,2) */
45 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, dir, flags) \
46 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
47 .subdevice = HDA_SUBDEV_AMP_FLAG, \
48 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
49 SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
50 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
51 .info = snd_hda_mixer_amp_volume_info, \
52 .get = snd_hda_mixer_amp_volume_get, \
53 .put = snd_hda_mixer_amp_volume_put, \
54 .tlv = { .c = snd_hda_mixer_amp_tlv }, \
55 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, dir) | flags }
56 /* stereo volume with index */
57 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
58 HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction, 0)
60 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
61 HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction, 0)
63 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
64 HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
65 /* stereo volume with min=mute */
66 #define HDA_CODEC_VOLUME_MIN_MUTE(xname, nid, xindex, direction) \
67 HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, 3, xindex, direction, \
69 /* mono mute switch with index (index=0,1,...) (channel=1,2) */
70 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
71 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
72 .subdevice = HDA_SUBDEV_AMP_FLAG, \
73 .info = snd_hda_mixer_amp_switch_info, \
74 .get = snd_hda_mixer_amp_switch_get, \
75 .put = snd_hda_mixer_amp_switch_put, \
76 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
77 /* stereo mute switch with index */
78 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
79 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
80 /* mono mute switch */
81 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
82 HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
83 /* stereo mute switch */
84 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
85 HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
86 #ifdef CONFIG_SND_HDA_INPUT_BEEP
87 /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
88 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
89 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
90 .subdevice = HDA_SUBDEV_AMP_FLAG, \
91 .info = snd_hda_mixer_amp_switch_info, \
92 .get = snd_hda_mixer_amp_switch_get_beep, \
93 .put = snd_hda_mixer_amp_switch_put_beep, \
94 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
96 /* no digital beep - just the standard one */
97 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
98 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
99 #endif /* CONFIG_SND_HDA_INPUT_BEEP */
100 /* special beep mono mute switch */
101 #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
102 HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
103 /* special beep stereo mute switch */
104 #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
105 HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
107 extern const char *snd_hda_pcm_type_name[];
109 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
110 struct snd_ctl_elem_info *uinfo);
111 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
112 struct snd_ctl_elem_value *ucontrol);
113 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
114 struct snd_ctl_elem_value *ucontrol);
115 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
116 unsigned int size, unsigned int __user *tlv);
117 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
118 struct snd_ctl_elem_info *uinfo);
119 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
120 struct snd_ctl_elem_value *ucontrol);
121 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
122 struct snd_ctl_elem_value *ucontrol);
123 #ifdef CONFIG_SND_HDA_INPUT_BEEP
124 int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol,
125 struct snd_ctl_elem_value *ucontrol);
126 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
127 struct snd_ctl_elem_value *ucontrol);
129 /* lowlevel accessor with caching; use carefully */
130 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
131 int direction, int index);
132 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
133 int direction, int idx, int mask, int val);
134 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
135 int dir, int idx, int mask, int val);
136 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
137 int direction, int idx, int mask, int val);
138 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
139 int dir, int idx, int mask, int val);
140 void snd_hda_codec_resume_amp(struct hda_codec *codec);
142 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
144 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
146 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
147 unsigned int *tlv, const char * const *slaves,
148 const char *suffix, bool init_slave_vol,
149 struct snd_kcontrol **ctl_ret);
150 #define snd_hda_add_vmaster(codec, name, tlv, slaves, suffix) \
151 __snd_hda_add_vmaster(codec, name, tlv, slaves, suffix, true, NULL)
152 int snd_hda_codec_reset(struct hda_codec *codec);
157 HDA_VMUTE_FOLLOW_MASTER,
160 struct hda_vmaster_mute_hook {
161 /* below two fields must be filled by the caller of
162 * snd_hda_add_vmaster_hook() beforehand
164 struct snd_kcontrol *sw_kctl;
165 void (*hook)(void *, int);
166 /* below are initialized automatically */
167 unsigned int mute_mode; /* HDA_VMUTE_XXX */
168 struct hda_codec *codec;
171 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
172 struct hda_vmaster_mute_hook *hook,
173 bool expose_enum_ctl);
174 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook);
177 #define HDA_AMP_MUTE 0x80
178 #define HDA_AMP_UNMUTE 0x00
179 #define HDA_AMP_VOLMASK 0x7f
181 /* mono switch binding multiple inputs */
182 #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
183 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
184 .info = snd_hda_mixer_amp_switch_info, \
185 .get = snd_hda_mixer_bind_switch_get, \
186 .put = snd_hda_mixer_bind_switch_put, \
187 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
189 /* stereo switch binding multiple inputs */
190 #define HDA_BIND_MUTE(xname,nid,indices,dir) \
191 HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
193 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
194 struct snd_ctl_elem_value *ucontrol);
195 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
196 struct snd_ctl_elem_value *ucontrol);
198 /* more generic bound controls */
200 snd_kcontrol_info_t *info;
201 snd_kcontrol_get_t *get;
202 snd_kcontrol_put_t *put;
203 snd_kcontrol_tlv_rw_t *tlv;
206 extern struct hda_ctl_ops snd_hda_bind_vol; /* for bind-volume with TLV */
207 extern struct hda_ctl_ops snd_hda_bind_sw; /* for bind-switch */
209 struct hda_bind_ctls {
210 struct hda_ctl_ops *ops;
211 unsigned long values[];
214 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
215 struct snd_ctl_elem_info *uinfo);
216 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
217 struct snd_ctl_elem_value *ucontrol);
218 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
219 struct snd_ctl_elem_value *ucontrol);
220 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
221 unsigned int size, unsigned int __user *tlv);
223 #define HDA_BIND_VOL(xname, bindrec) \
224 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
226 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
227 SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
228 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
229 .info = snd_hda_mixer_bind_ctls_info,\
230 .get = snd_hda_mixer_bind_ctls_get,\
231 .put = snd_hda_mixer_bind_ctls_put,\
232 .tlv = { .c = snd_hda_mixer_bind_tlv },\
233 .private_value = (long) (bindrec) }
234 #define HDA_BIND_SW(xname, bindrec) \
235 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
237 .info = snd_hda_mixer_bind_ctls_info,\
238 .get = snd_hda_mixer_bind_ctls_get,\
239 .put = snd_hda_mixer_bind_ctls_put,\
240 .private_value = (long) (bindrec) }
245 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
246 hda_nid_t associated_nid,
247 hda_nid_t cvt_nid, int type);
248 #define snd_hda_create_spdif_out_ctls(codec, anid, cnid) \
249 snd_hda_create_dig_out_ctls(codec, anid, cnid, HDA_PCM_TYPE_SPDIF)
250 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
255 #define HDA_MAX_NUM_INPUTS 16
256 struct hda_input_mux_item {
260 struct hda_input_mux {
261 unsigned int num_items;
262 struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
265 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
266 struct snd_ctl_elem_info *uinfo);
267 int snd_hda_input_mux_put(struct hda_codec *codec,
268 const struct hda_input_mux *imux,
269 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
270 unsigned int *cur_val);
271 int snd_hda_add_imux_item(struct hda_codec *codec,
272 struct hda_input_mux *imux, const char *label,
273 int index, int *type_index_ret);
276 * Channel mode helper
278 struct hda_channel_mode {
280 const struct hda_verb *sequence;
283 int snd_hda_ch_mode_info(struct hda_codec *codec,
284 struct snd_ctl_elem_info *uinfo,
285 const struct hda_channel_mode *chmode,
287 int snd_hda_ch_mode_get(struct hda_codec *codec,
288 struct snd_ctl_elem_value *ucontrol,
289 const struct hda_channel_mode *chmode,
292 int snd_hda_ch_mode_put(struct hda_codec *codec,
293 struct snd_ctl_elem_value *ucontrol,
294 const struct hda_channel_mode *chmode,
299 * Multi-channel / digital-out PCM helper
302 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
303 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
305 #define HDA_MAX_OUTS 5
307 struct hda_multi_out {
308 int num_dacs; /* # of DACs, must be more than 1 */
309 const hda_nid_t *dac_nids; /* DAC list */
310 hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
311 hda_nid_t hp_out_nid[HDA_MAX_OUTS]; /* DACs for multiple HPs */
312 hda_nid_t extra_out_nid[HDA_MAX_OUTS]; /* other (e.g. speaker) DACs */
313 hda_nid_t dig_out_nid; /* digital out audio widget */
314 const hda_nid_t *slave_dig_outs;
315 int max_channels; /* currently supported analog channels */
316 int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
317 int no_share_stream; /* don't share a stream with multiple pins */
318 int share_spdif; /* share SPDIF pin */
319 /* PCM information for both analog and SPDIF DACs */
320 unsigned int analog_rates;
321 unsigned int analog_maxbps;
323 unsigned int spdif_rates;
324 unsigned int spdif_maxbps;
328 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
329 struct hda_multi_out *mout);
330 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
331 struct hda_multi_out *mout);
332 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
333 struct hda_multi_out *mout);
334 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
335 struct hda_multi_out *mout,
336 unsigned int stream_tag,
338 struct snd_pcm_substream *substream);
339 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
340 struct hda_multi_out *mout);
341 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
342 struct hda_multi_out *mout,
343 struct snd_pcm_substream *substream,
344 struct hda_pcm_stream *hinfo);
345 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
346 struct hda_multi_out *mout,
347 unsigned int stream_tag,
349 struct snd_pcm_substream *substream);
350 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
351 struct hda_multi_out *mout);
354 * generic codec parser
356 int snd_hda_parse_generic_codec(struct hda_codec *codec);
357 int snd_hda_parse_hdmi_codec(struct hda_codec *codec);
360 * generic proc interface
362 #ifdef CONFIG_PROC_FS
363 int snd_hda_codec_proc_new(struct hda_codec *codec);
365 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
368 #define SND_PRINT_BITS_ADVISED_BUFSIZE 16
369 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
374 int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
375 const char * const *modelnames,
376 const struct snd_pci_quirk *pci_list);
377 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
378 int num_configs, const char * const *models,
379 const struct snd_pci_quirk *tbl);
380 int snd_hda_add_new_ctls(struct hda_codec *codec,
381 const struct snd_kcontrol_new *knew);
384 * Fix-up pin default configurations and add default verbs
392 struct hda_model_fixup {
399 bool chained:1; /* call the chained fixup(s) after this */
400 bool chained_before:1; /* call the chained fixup(s) before this */
403 const struct hda_pintbl *pins;
404 const struct hda_verb *verbs;
405 void (*func)(struct hda_codec *codec,
406 const struct hda_fixup *fix,
411 struct snd_hda_pin_quirk {
412 unsigned int codec; /* Codec vendor/device ID */
413 unsigned short subvendor; /* PCI subvendor ID */
414 const struct hda_pintbl *pins; /* list of matching pins */
415 #ifdef CONFIG_SND_DEBUG_VERBOSE
418 int value; /* quirk value */
421 #ifdef CONFIG_SND_DEBUG_VERBOSE
423 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
425 .subvendor = _subvendor,\
428 .pins = (const struct hda_pintbl[]) { _pins } \
432 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
434 .subvendor = _subvendor,\
436 .pins = (const struct hda_pintbl[]) { _pins } \
441 #define HDA_FIXUP_ID_NOT_SET -1
442 #define HDA_FIXUP_ID_NO_FIXUP -2
453 /* fixup action definitions */
455 HDA_FIXUP_ACT_PRE_PROBE,
462 int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list);
463 void snd_hda_apply_verbs(struct hda_codec *codec);
464 void snd_hda_apply_pincfgs(struct hda_codec *codec,
465 const struct hda_pintbl *cfg);
466 void snd_hda_apply_fixup(struct hda_codec *codec, int action);
467 void snd_hda_pick_fixup(struct hda_codec *codec,
468 const struct hda_model_fixup *models,
469 const struct snd_pci_quirk *quirk,
470 const struct hda_fixup *fixlist);
471 void snd_hda_pick_pin_fixup(struct hda_codec *codec,
472 const struct snd_hda_pin_quirk *pin_quirk,
473 const struct hda_fixup *fixlist);
477 * unsolicited event handler
480 #define HDA_UNSOL_QUEUE_SIZE 64
482 struct hda_bus_unsolicited {
484 u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
488 struct work_struct work;
492 /* helper macros to retrieve pin default-config values */
493 #define get_defcfg_connect(cfg) \
494 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
495 #define get_defcfg_association(cfg) \
496 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
497 #define get_defcfg_location(cfg) \
498 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
499 #define get_defcfg_sequence(cfg) \
500 (cfg & AC_DEFCFG_SEQUENCE)
501 #define get_defcfg_device(cfg) \
502 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
503 #define get_defcfg_misc(cfg) \
504 ((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT)
507 #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8))
508 #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8))
509 #define AMP_OUT_MUTE 0xb080
510 #define AMP_OUT_UNMUTE 0xb000
511 #define AMP_OUT_ZERO 0xb000
513 #define PIN_IN (AC_PINCTL_IN_EN)
514 #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
515 #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
516 #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
517 #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
518 #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
519 #define PIN_OUT (AC_PINCTL_OUT_EN)
520 #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
521 #define PIN_HP_AMP (AC_PINCTL_HP_EN)
523 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin);
524 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
525 hda_nid_t pin, unsigned int val);
526 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
527 unsigned int val, bool cached);
530 * _snd_hda_set_pin_ctl - Set a pin-control value safely
531 * @codec: the codec instance
532 * @pin: the pin NID to set the control
533 * @val: the pin-control value (AC_PINCTL_* bits)
535 * This function sets the pin-control value to the given pin, but
536 * filters out the invalid pin-control bits when the pin has no such
537 * capabilities. For example, when PIN_HP is passed but the pin has no
538 * HP-drive capability, the HP bit is omitted.
540 * The function doesn't check the input VREF capability bits, though.
541 * Use snd_hda_get_default_vref() to guess the right value.
542 * Also, this function is only for analog pins, not for HDMI pins.
545 snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val)
547 return _snd_hda_set_pin_ctl(codec, pin, val, false);
551 * snd_hda_set_pin_ctl_cache - Set a pin-control value safely
552 * @codec: the codec instance
553 * @pin: the pin NID to set the control
554 * @val: the pin-control value (AC_PINCTL_* bits)
556 * Just like snd_hda_set_pin_ctl() but write to cache as well.
559 snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin,
562 return _snd_hda_set_pin_ctl(codec, pin, val, true);
565 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid);
566 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
570 * get widget capabilities
572 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
574 if (nid < codec->start_nid ||
575 nid >= codec->start_nid + codec->num_nodes)
577 return codec->wcaps[nid - codec->start_nid];
580 /* get the widget type from widget capability bits */
581 static inline int get_wcaps_type(unsigned int wcaps)
584 return -1; /* invalid type */
585 return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
588 static inline unsigned int get_wcaps_channels(u32 wcaps)
592 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
593 chans = ((chans << 1) | 1) + 1;
598 static inline void snd_hda_override_wcaps(struct hda_codec *codec,
599 hda_nid_t nid, u32 val)
601 if (nid >= codec->start_nid &&
602 nid < codec->start_nid + codec->num_nodes)
603 codec->wcaps[nid - codec->start_nid] = val;
606 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
607 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
609 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
610 int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
613 /* flags for hda_nid_item */
614 #define HDA_NID_ITEM_AMP (1<<0)
616 struct hda_nid_item {
617 struct snd_kcontrol *kctl;
620 unsigned short flags;
623 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
624 struct snd_kcontrol *kctl);
625 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
626 unsigned int index, hda_nid_t nid);
627 void snd_hda_ctls_clear(struct hda_codec *codec);
632 #ifdef CONFIG_SND_HDA_HWDEP
633 int snd_hda_create_hwdep(struct hda_codec *codec);
635 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
638 void snd_hda_sysfs_init(struct hda_codec *codec);
639 void snd_hda_sysfs_clear(struct hda_codec *codec);
641 extern const struct attribute_group *snd_hda_dev_attr_groups[];
643 #ifdef CONFIG_SND_HDA_RECONFIG
644 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
645 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
646 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp);
649 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
655 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
661 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp)
671 void snd_hda_schedule_power_save(struct hda_codec *codec);
673 struct hda_amp_list {
679 struct hda_loopback_check {
680 const struct hda_amp_list *amplist;
684 int snd_hda_check_amp_list_power(struct hda_codec *codec,
685 struct hda_loopback_check *check,
688 /* check whether the actual power state matches with the target state */
690 snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid,
691 unsigned int target_state)
693 unsigned int state = snd_hda_codec_read(codec, nid, 0,
694 AC_VERB_GET_POWER_STATE, 0);
695 if (state & AC_PWRST_ERROR)
697 state = (state >> 4) & 0x0f;
698 return (state == target_state);
701 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
703 unsigned int power_state);
706 * AMP control callbacks
708 /* retrieve parameters from private_value */
709 #define get_amp_nid_(pv) ((pv) & 0xffff)
710 #define get_amp_nid(kc) get_amp_nid_((kc)->private_value)
711 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
712 #define get_amp_direction_(pv) (((pv) >> 18) & 0x1)
713 #define get_amp_direction(kc) get_amp_direction_((kc)->private_value)
714 #define get_amp_index_(pv) (((pv) >> 19) & 0xf)
715 #define get_amp_index(kc) get_amp_index_((kc)->private_value)
716 #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f)
717 #define get_amp_min_mute(kc) (((kc)->private_value >> 29) & 0x1)
720 * enum control helper
722 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
723 struct snd_ctl_elem_info *uinfo,
724 int num_entries, const char * const *texts);
725 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \
726 snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL)
729 * CEA Short Audio Descriptor data
733 int format; /* (format == 0) indicates invalid SAD */
735 int sample_bits; /* for LPCM */
736 int max_bitrate; /* for AC3...ATRAC */
737 int profile; /* for WMAPRO */
740 #define ELD_FIXED_BYTES 20
741 #define ELD_MAX_SIZE 256
742 #define ELD_MAX_MNL 16
743 #define ELD_MAX_SAD 16
746 * ELD: EDID Like Data
748 struct parsed_hdmi_eld {
750 * all fields will be cleared before updating ELD
755 char monitor_name[ELD_MAX_MNL + 1];
765 struct cea_sad sad[ELD_MAX_SAD];
769 bool monitor_present;
772 char eld_buffer[ELD_MAX_SIZE];
773 struct parsed_hdmi_eld info;
776 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
777 int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid,
778 unsigned char *buf, int *eld_size);
779 int snd_hdmi_parse_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e,
780 const unsigned char *buf, int size);
781 void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e);
782 void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e,
783 struct hda_pcm_stream *hinfo);
785 int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid,
786 unsigned char *buf, int *eld_size,
789 #ifdef CONFIG_PROC_FS
790 void snd_hdmi_print_eld_info(struct hdmi_eld *eld,
791 struct snd_info_buffer *buffer);
792 void snd_hdmi_write_eld_info(struct hdmi_eld *eld,
793 struct snd_info_buffer *buffer);
796 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
797 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
801 #define codec_err(codec, fmt, args...) dev_err(&(codec)->dev, fmt, ##args)
802 #define codec_warn(codec, fmt, args...) dev_warn(&(codec)->dev, fmt, ##args)
803 #define codec_info(codec, fmt, args...) dev_info(&(codec)->dev, fmt, ##args)
804 #define codec_dbg(codec, fmt, args...) dev_dbg(&(codec)->dev, fmt, ##args)
806 #endif /* __SOUND_HDA_LOCAL_H */