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 #define snd_hda_codec_amp_read(codec, nid, ch, dir, idx) \
131 snd_hdac_regmap_get_amp(&(codec)->core, nid, ch, dir, idx)
132 #define snd_hda_codec_amp_update(codec, nid, ch, dir, idx, mask, val) \
133 snd_hdac_regmap_update_amp(&(codec)->core, nid, ch, dir, idx, mask, 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_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
142 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
144 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
145 unsigned int *tlv, const char * const *slaves,
146 const char *suffix, bool init_slave_vol,
147 struct snd_kcontrol **ctl_ret);
148 #define snd_hda_add_vmaster(codec, name, tlv, slaves, suffix) \
149 __snd_hda_add_vmaster(codec, name, tlv, slaves, suffix, true, NULL)
150 int snd_hda_codec_reset(struct hda_codec *codec);
151 void snd_hda_codec_register(struct hda_codec *codec);
152 void snd_hda_codec_cleanup_for_unbind(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 * Multi-channel / digital-out PCM helper
279 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
280 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
282 #define HDA_MAX_OUTS 5
284 struct hda_multi_out {
285 int num_dacs; /* # of DACs, must be more than 1 */
286 const hda_nid_t *dac_nids; /* DAC list */
287 hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
288 hda_nid_t hp_out_nid[HDA_MAX_OUTS]; /* DACs for multiple HPs */
289 hda_nid_t extra_out_nid[HDA_MAX_OUTS]; /* other (e.g. speaker) DACs */
290 hda_nid_t dig_out_nid; /* digital out audio widget */
291 const hda_nid_t *slave_dig_outs;
292 int max_channels; /* currently supported analog channels */
293 int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
294 int no_share_stream; /* don't share a stream with multiple pins */
295 int share_spdif; /* share SPDIF pin */
296 /* PCM information for both analog and SPDIF DACs */
297 unsigned int analog_rates;
298 unsigned int analog_maxbps;
300 unsigned int spdif_rates;
301 unsigned int spdif_maxbps;
305 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
306 struct hda_multi_out *mout);
307 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
308 struct hda_multi_out *mout);
309 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
310 struct hda_multi_out *mout);
311 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
312 struct hda_multi_out *mout,
313 unsigned int stream_tag,
315 struct snd_pcm_substream *substream);
316 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
317 struct hda_multi_out *mout);
318 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
319 struct hda_multi_out *mout,
320 struct snd_pcm_substream *substream,
321 struct hda_pcm_stream *hinfo);
322 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
323 struct hda_multi_out *mout,
324 unsigned int stream_tag,
326 struct snd_pcm_substream *substream);
327 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
328 struct hda_multi_out *mout);
331 * generic proc interface
333 #ifdef CONFIG_PROC_FS
334 int snd_hda_codec_proc_new(struct hda_codec *codec);
336 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
339 #define SND_PRINT_BITS_ADVISED_BUFSIZE 16
340 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
345 int snd_hda_add_new_ctls(struct hda_codec *codec,
346 const struct snd_kcontrol_new *knew);
349 * Fix-up pin default configurations and add default verbs
357 struct hda_model_fixup {
364 bool chained:1; /* call the chained fixup(s) after this */
365 bool chained_before:1; /* call the chained fixup(s) before this */
368 const struct hda_pintbl *pins;
369 const struct hda_verb *verbs;
370 void (*func)(struct hda_codec *codec,
371 const struct hda_fixup *fix,
376 struct snd_hda_pin_quirk {
377 unsigned int codec; /* Codec vendor/device ID */
378 unsigned short subvendor; /* PCI subvendor ID */
379 const struct hda_pintbl *pins; /* list of matching pins */
380 #ifdef CONFIG_SND_DEBUG_VERBOSE
383 int value; /* quirk value */
386 #ifdef CONFIG_SND_DEBUG_VERBOSE
388 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
390 .subvendor = _subvendor,\
393 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
397 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
399 .subvendor = _subvendor,\
401 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
406 #define HDA_FIXUP_ID_NOT_SET -1
407 #define HDA_FIXUP_ID_NO_FIXUP -2
418 /* fixup action definitions */
420 HDA_FIXUP_ACT_PRE_PROBE,
427 int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list);
428 void snd_hda_apply_verbs(struct hda_codec *codec);
429 void snd_hda_apply_pincfgs(struct hda_codec *codec,
430 const struct hda_pintbl *cfg);
431 void snd_hda_apply_fixup(struct hda_codec *codec, int action);
432 void snd_hda_pick_fixup(struct hda_codec *codec,
433 const struct hda_model_fixup *models,
434 const struct snd_pci_quirk *quirk,
435 const struct hda_fixup *fixlist);
436 void snd_hda_pick_pin_fixup(struct hda_codec *codec,
437 const struct snd_hda_pin_quirk *pin_quirk,
438 const struct hda_fixup *fixlist);
440 /* helper macros to retrieve pin default-config values */
441 #define get_defcfg_connect(cfg) \
442 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
443 #define get_defcfg_association(cfg) \
444 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
445 #define get_defcfg_location(cfg) \
446 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
447 #define get_defcfg_sequence(cfg) \
448 (cfg & AC_DEFCFG_SEQUENCE)
449 #define get_defcfg_device(cfg) \
450 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
451 #define get_defcfg_misc(cfg) \
452 ((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT)
455 #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8))
456 #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8))
457 #define AMP_OUT_MUTE 0xb080
458 #define AMP_OUT_UNMUTE 0xb000
459 #define AMP_OUT_ZERO 0xb000
461 #define PIN_IN (AC_PINCTL_IN_EN)
462 #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
463 #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
464 #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
465 #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
466 #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
467 #define PIN_OUT (AC_PINCTL_OUT_EN)
468 #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
469 #define PIN_HP_AMP (AC_PINCTL_HP_EN)
471 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin);
472 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
473 hda_nid_t pin, unsigned int val);
474 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
475 unsigned int val, bool cached);
478 * _snd_hda_set_pin_ctl - Set a pin-control value safely
479 * @codec: the codec instance
480 * @pin: the pin NID to set the control
481 * @val: the pin-control value (AC_PINCTL_* bits)
483 * This function sets the pin-control value to the given pin, but
484 * filters out the invalid pin-control bits when the pin has no such
485 * capabilities. For example, when PIN_HP is passed but the pin has no
486 * HP-drive capability, the HP bit is omitted.
488 * The function doesn't check the input VREF capability bits, though.
489 * Use snd_hda_get_default_vref() to guess the right value.
490 * Also, this function is only for analog pins, not for HDMI pins.
493 snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val)
495 return _snd_hda_set_pin_ctl(codec, pin, val, false);
499 * snd_hda_set_pin_ctl_cache - Set a pin-control value safely
500 * @codec: the codec instance
501 * @pin: the pin NID to set the control
502 * @val: the pin-control value (AC_PINCTL_* bits)
504 * Just like snd_hda_set_pin_ctl() but write to cache as well.
507 snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin,
510 return _snd_hda_set_pin_ctl(codec, pin, val, true);
513 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid);
514 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
517 #define for_each_hda_codec_node(nid, codec) \
518 for ((nid) = (codec)->core.start_nid; (nid) < (codec)->core.end_nid; (nid)++)
521 * get widget capabilities
523 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
525 if (nid < codec->core.start_nid ||
526 nid >= codec->core.start_nid + codec->core.num_nodes)
528 return codec->wcaps[nid - codec->core.start_nid];
531 /* get the widget type from widget capability bits */
532 static inline int get_wcaps_type(unsigned int wcaps)
535 return -1; /* invalid type */
536 return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
539 static inline unsigned int get_wcaps_channels(u32 wcaps)
543 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
544 chans = ((chans << 1) | 1) + 1;
549 static inline void snd_hda_override_wcaps(struct hda_codec *codec,
550 hda_nid_t nid, u32 val)
552 if (nid >= codec->core.start_nid &&
553 nid < codec->core.start_nid + codec->core.num_nodes)
554 codec->wcaps[nid - codec->core.start_nid] = val;
557 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
558 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
561 * snd_hda_query_pin_caps - Query PIN capabilities
562 * @codec: the HD-auio codec
563 * @nid: the NID to query
565 * Query PIN capabilities for the given widget.
566 * Returns the obtained capability bits.
568 * When cap bits have been already read, this doesn't read again but
569 * returns the cached value.
572 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
574 return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
579 * snd_hda_override_pin_caps - Override the pin capabilities
581 * @nid: the NID to override
582 * @caps: the capability bits to set
584 * Override the cached PIN capabilitiy bits value by the given one.
586 * Returns zero if successful or a negative error code.
589 snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
592 return snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, caps);
595 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
596 int dir, unsigned int bits);
598 #define nid_has_mute(codec, nid, dir) \
599 snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
600 #define nid_has_volume(codec, nid, dir) \
601 snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
604 /* flags for hda_nid_item */
605 #define HDA_NID_ITEM_AMP (1<<0)
607 struct hda_nid_item {
608 struct snd_kcontrol *kctl;
611 unsigned short flags;
614 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
615 struct snd_kcontrol *kctl);
616 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
617 unsigned int index, hda_nid_t nid);
618 void snd_hda_ctls_clear(struct hda_codec *codec);
623 #ifdef CONFIG_SND_HDA_HWDEP
624 int snd_hda_create_hwdep(struct hda_codec *codec);
626 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
629 void snd_hda_sysfs_init(struct hda_codec *codec);
630 void snd_hda_sysfs_clear(struct hda_codec *codec);
632 extern const struct attribute_group *snd_hda_dev_attr_groups[];
634 #ifdef CONFIG_SND_HDA_RECONFIG
635 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
636 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
637 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp);
640 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
646 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
652 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp)
662 void snd_hda_schedule_power_save(struct hda_codec *codec);
664 struct hda_amp_list {
670 struct hda_loopback_check {
671 const struct hda_amp_list *amplist;
675 int snd_hda_check_amp_list_power(struct hda_codec *codec,
676 struct hda_loopback_check *check,
679 /* check whether the actual power state matches with the target state */
681 snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid,
682 unsigned int target_state)
684 unsigned int state = snd_hda_codec_read(codec, nid, 0,
685 AC_VERB_GET_POWER_STATE, 0);
686 if (state & AC_PWRST_ERROR)
688 state = (state >> 4) & 0x0f;
689 return (state == target_state);
692 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
694 unsigned int power_state);
697 * AMP control callbacks
699 /* retrieve parameters from private_value */
700 #define get_amp_nid_(pv) ((pv) & 0xffff)
701 #define get_amp_nid(kc) get_amp_nid_((kc)->private_value)
702 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
703 #define get_amp_direction_(pv) (((pv) >> 18) & 0x1)
704 #define get_amp_direction(kc) get_amp_direction_((kc)->private_value)
705 #define get_amp_index_(pv) (((pv) >> 19) & 0xf)
706 #define get_amp_index(kc) get_amp_index_((kc)->private_value)
707 #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f)
708 #define get_amp_min_mute(kc) (((kc)->private_value >> 29) & 0x1)
711 * enum control helper
713 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
714 struct snd_ctl_elem_info *uinfo,
715 int num_entries, const char * const *texts);
716 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \
717 snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL)
720 * CEA Short Audio Descriptor data
724 int format; /* (format == 0) indicates invalid SAD */
726 int sample_bits; /* for LPCM */
727 int max_bitrate; /* for AC3...ATRAC */
728 int profile; /* for WMAPRO */
731 #define ELD_FIXED_BYTES 20
732 #define ELD_MAX_SIZE 256
733 #define ELD_MAX_MNL 16
734 #define ELD_MAX_SAD 16
737 * ELD: EDID Like Data
739 struct parsed_hdmi_eld {
741 * all fields will be cleared before updating ELD
746 char monitor_name[ELD_MAX_MNL + 1];
756 struct cea_sad sad[ELD_MAX_SAD];
760 bool monitor_present;
763 char eld_buffer[ELD_MAX_SIZE];
764 struct parsed_hdmi_eld info;
767 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
768 int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid,
769 unsigned char *buf, int *eld_size);
770 int snd_hdmi_parse_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e,
771 const unsigned char *buf, int size);
772 void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e);
773 void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e,
774 struct hda_pcm_stream *hinfo);
776 int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid,
777 unsigned char *buf, int *eld_size,
780 #ifdef CONFIG_PROC_FS
781 void snd_hdmi_print_eld_info(struct hdmi_eld *eld,
782 struct snd_info_buffer *buffer);
783 void snd_hdmi_write_eld_info(struct hdmi_eld *eld,
784 struct snd_info_buffer *buffer);
787 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
788 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
792 #define codec_err(codec, fmt, args...) \
793 dev_err(hda_codec_dev(codec), fmt, ##args)
794 #define codec_warn(codec, fmt, args...) \
795 dev_warn(hda_codec_dev(codec), fmt, ##args)
796 #define codec_info(codec, fmt, args...) \
797 dev_info(hda_codec_dev(codec), fmt, ##args)
798 #define codec_dbg(codec, fmt, args...) \
799 dev_dbg(hda_codec_dev(codec), fmt, ##args)
801 #endif /* __SOUND_HDA_LOCAL_H */