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);
137 void snd_hda_codec_resume_amp(struct hda_codec *codec);
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);
155 HDA_VMUTE_FOLLOW_MASTER,
158 struct hda_vmaster_mute_hook {
159 /* below two fields must be filled by the caller of
160 * snd_hda_add_vmaster_hook() beforehand
162 struct snd_kcontrol *sw_kctl;
163 void (*hook)(void *, int);
164 /* below are initialized automatically */
165 unsigned int mute_mode; /* HDA_VMUTE_XXX */
166 struct hda_codec *codec;
169 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
170 struct hda_vmaster_mute_hook *hook,
171 bool expose_enum_ctl);
172 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook);
175 #define HDA_AMP_MUTE 0x80
176 #define HDA_AMP_UNMUTE 0x00
177 #define HDA_AMP_VOLMASK 0x7f
179 /* mono switch binding multiple inputs */
180 #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
181 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
182 .info = snd_hda_mixer_amp_switch_info, \
183 .get = snd_hda_mixer_bind_switch_get, \
184 .put = snd_hda_mixer_bind_switch_put, \
185 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
187 /* stereo switch binding multiple inputs */
188 #define HDA_BIND_MUTE(xname,nid,indices,dir) \
189 HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
191 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
192 struct snd_ctl_elem_value *ucontrol);
193 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
194 struct snd_ctl_elem_value *ucontrol);
196 /* more generic bound controls */
198 snd_kcontrol_info_t *info;
199 snd_kcontrol_get_t *get;
200 snd_kcontrol_put_t *put;
201 snd_kcontrol_tlv_rw_t *tlv;
204 extern struct hda_ctl_ops snd_hda_bind_vol; /* for bind-volume with TLV */
205 extern struct hda_ctl_ops snd_hda_bind_sw; /* for bind-switch */
207 struct hda_bind_ctls {
208 struct hda_ctl_ops *ops;
209 unsigned long values[];
212 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
213 struct snd_ctl_elem_info *uinfo);
214 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
215 struct snd_ctl_elem_value *ucontrol);
216 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
217 struct snd_ctl_elem_value *ucontrol);
218 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
219 unsigned int size, unsigned int __user *tlv);
221 #define HDA_BIND_VOL(xname, bindrec) \
222 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
224 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
225 SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
226 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
227 .info = snd_hda_mixer_bind_ctls_info,\
228 .get = snd_hda_mixer_bind_ctls_get,\
229 .put = snd_hda_mixer_bind_ctls_put,\
230 .tlv = { .c = snd_hda_mixer_bind_tlv },\
231 .private_value = (long) (bindrec) }
232 #define HDA_BIND_SW(xname, bindrec) \
233 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
235 .info = snd_hda_mixer_bind_ctls_info,\
236 .get = snd_hda_mixer_bind_ctls_get,\
237 .put = snd_hda_mixer_bind_ctls_put,\
238 .private_value = (long) (bindrec) }
243 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
244 hda_nid_t associated_nid,
245 hda_nid_t cvt_nid, int type);
246 #define snd_hda_create_spdif_out_ctls(codec, anid, cnid) \
247 snd_hda_create_dig_out_ctls(codec, anid, cnid, HDA_PCM_TYPE_SPDIF)
248 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
253 #define HDA_MAX_NUM_INPUTS 16
254 struct hda_input_mux_item {
258 struct hda_input_mux {
259 unsigned int num_items;
260 struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
263 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
264 struct snd_ctl_elem_info *uinfo);
265 int snd_hda_input_mux_put(struct hda_codec *codec,
266 const struct hda_input_mux *imux,
267 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
268 unsigned int *cur_val);
269 int snd_hda_add_imux_item(struct hda_input_mux *imux, const char *label,
270 int index, int *type_index_ret);
273 * Channel mode helper
275 struct hda_channel_mode {
277 const struct hda_verb *sequence;
280 int snd_hda_ch_mode_info(struct hda_codec *codec,
281 struct snd_ctl_elem_info *uinfo,
282 const struct hda_channel_mode *chmode,
284 int snd_hda_ch_mode_get(struct hda_codec *codec,
285 struct snd_ctl_elem_value *ucontrol,
286 const struct hda_channel_mode *chmode,
289 int snd_hda_ch_mode_put(struct hda_codec *codec,
290 struct snd_ctl_elem_value *ucontrol,
291 const struct hda_channel_mode *chmode,
296 * Multi-channel / digital-out PCM helper
299 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
300 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
302 #define HDA_MAX_OUTS 5
304 struct hda_multi_out {
305 int num_dacs; /* # of DACs, must be more than 1 */
306 const hda_nid_t *dac_nids; /* DAC list */
307 hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
308 hda_nid_t hp_out_nid[HDA_MAX_OUTS]; /* DACs for multiple HPs */
309 hda_nid_t extra_out_nid[HDA_MAX_OUTS]; /* other (e.g. speaker) DACs */
310 hda_nid_t dig_out_nid; /* digital out audio widget */
311 const hda_nid_t *slave_dig_outs;
312 int max_channels; /* currently supported analog channels */
313 int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
314 int no_share_stream; /* don't share a stream with multiple pins */
315 int share_spdif; /* share SPDIF pin */
316 /* PCM information for both analog and SPDIF DACs */
317 unsigned int analog_rates;
318 unsigned int analog_maxbps;
320 unsigned int spdif_rates;
321 unsigned int spdif_maxbps;
325 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
326 struct hda_multi_out *mout);
327 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
328 struct hda_multi_out *mout);
329 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
330 struct hda_multi_out *mout);
331 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
332 struct hda_multi_out *mout,
333 unsigned int stream_tag,
335 struct snd_pcm_substream *substream);
336 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
337 struct hda_multi_out *mout);
338 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
339 struct hda_multi_out *mout,
340 struct snd_pcm_substream *substream,
341 struct hda_pcm_stream *hinfo);
342 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
343 struct hda_multi_out *mout,
344 unsigned int stream_tag,
346 struct snd_pcm_substream *substream);
347 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
348 struct hda_multi_out *mout);
351 * generic codec parser
353 #ifdef CONFIG_SND_HDA_GENERIC
354 int snd_hda_parse_generic_codec(struct hda_codec *codec);
356 static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
363 * generic proc interface
365 #ifdef CONFIG_PROC_FS
366 int snd_hda_codec_proc_new(struct hda_codec *codec);
368 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
371 #define SND_PRINT_BITS_ADVISED_BUFSIZE 16
372 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
377 int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
378 const char * const *modelnames,
379 const struct snd_pci_quirk *pci_list);
380 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
381 int num_configs, const char * const *models,
382 const struct snd_pci_quirk *tbl);
383 int snd_hda_add_new_ctls(struct hda_codec *codec,
384 const struct snd_kcontrol_new *knew);
387 * unsolicited event handler
390 #define HDA_UNSOL_QUEUE_SIZE 64
392 struct hda_bus_unsolicited {
394 u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
398 struct work_struct work;
402 /* helper macros to retrieve pin default-config values */
403 #define get_defcfg_connect(cfg) \
404 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
405 #define get_defcfg_association(cfg) \
406 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
407 #define get_defcfg_location(cfg) \
408 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
409 #define get_defcfg_sequence(cfg) \
410 (cfg & AC_DEFCFG_SEQUENCE)
411 #define get_defcfg_device(cfg) \
412 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
413 #define get_defcfg_misc(cfg) \
414 ((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT)
417 #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8))
418 #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8))
419 #define AMP_OUT_MUTE 0xb080
420 #define AMP_OUT_UNMUTE 0xb000
421 #define AMP_OUT_ZERO 0xb000
423 #define PIN_IN (AC_PINCTL_IN_EN)
424 #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
425 #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
426 #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
427 #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
428 #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
429 #define PIN_OUT (AC_PINCTL_OUT_EN)
430 #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
431 #define PIN_HP_AMP (AC_PINCTL_HP_EN)
433 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin);
434 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
435 unsigned int val, bool cached);
438 * _snd_hda_set_pin_ctl - Set a pin-control value safely
439 * @codec: the codec instance
440 * @pin: the pin NID to set the control
441 * @val: the pin-control value (AC_PINCTL_* bits)
443 * This function sets the pin-control value to the given pin, but
444 * filters out the invalid pin-control bits when the pin has no such
445 * capabilities. For example, when PIN_HP is passed but the pin has no
446 * HP-drive capability, the HP bit is omitted.
448 * The function doesn't check the input VREF capability bits, though.
449 * Use snd_hda_get_default_vref() to guess the right value.
450 * Also, this function is only for analog pins, not for HDMI pins.
453 snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val)
455 return _snd_hda_set_pin_ctl(codec, pin, val, false);
459 * snd_hda_set_pin_ctl_cache - Set a pin-control value safely
460 * @codec: the codec instance
461 * @pin: the pin NID to set the control
462 * @val: the pin-control value (AC_PINCTL_* bits)
464 * Just like snd_hda_set_pin_ctl() but write to cache as well.
467 snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin,
470 return _snd_hda_set_pin_ctl(codec, pin, val, true);
474 * get widget capabilities
476 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
478 if (nid < codec->start_nid ||
479 nid >= codec->start_nid + codec->num_nodes)
481 return codec->wcaps[nid - codec->start_nid];
484 /* get the widget type from widget capability bits */
485 static inline int get_wcaps_type(unsigned int wcaps)
488 return -1; /* invalid type */
489 return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
492 static inline unsigned int get_wcaps_channels(u32 wcaps)
496 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
497 chans = ((chans << 1) | 1) + 1;
502 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
503 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
505 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
506 int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
509 /* flags for hda_nid_item */
510 #define HDA_NID_ITEM_AMP (1<<0)
512 struct hda_nid_item {
513 struct snd_kcontrol *kctl;
516 unsigned short flags;
519 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
520 struct snd_kcontrol *kctl);
521 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
522 unsigned int index, hda_nid_t nid);
523 void snd_hda_ctls_clear(struct hda_codec *codec);
528 #ifdef CONFIG_SND_HDA_HWDEP
529 int snd_hda_create_hwdep(struct hda_codec *codec);
531 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
534 #if defined(CONFIG_PM) && defined(CONFIG_SND_HDA_HWDEP)
535 int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec);
537 static inline int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec)
543 #ifdef CONFIG_SND_HDA_RECONFIG
544 int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
546 static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
552 #ifdef CONFIG_SND_HDA_RECONFIG
553 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
554 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
557 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
563 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
573 void snd_hda_schedule_power_save(struct hda_codec *codec);
575 struct hda_amp_list {
581 struct hda_loopback_check {
582 const struct hda_amp_list *amplist;
586 int snd_hda_check_amp_list_power(struct hda_codec *codec,
587 struct hda_loopback_check *check,
591 * AMP control callbacks
593 /* retrieve parameters from private_value */
594 #define get_amp_nid_(pv) ((pv) & 0xffff)
595 #define get_amp_nid(kc) get_amp_nid_((kc)->private_value)
596 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
597 #define get_amp_direction_(pv) (((pv) >> 18) & 0x1)
598 #define get_amp_direction(kc) get_amp_direction_((kc)->private_value)
599 #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
600 #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f)
601 #define get_amp_min_mute(kc) (((kc)->private_value >> 29) & 0x1)
604 * enum control helper
606 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
607 struct snd_ctl_elem_info *uinfo,
608 int num_entries, const char * const *texts);
609 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \
610 snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL)
613 * CEA Short Audio Descriptor data
617 int format; /* (format == 0) indicates invalid SAD */
619 int sample_bits; /* for LPCM */
620 int max_bitrate; /* for AC3...ATRAC */
621 int profile; /* for WMAPRO */
624 #define ELD_FIXED_BYTES 20
625 #define ELD_MAX_SIZE 256
626 #define ELD_MAX_MNL 16
627 #define ELD_MAX_SAD 16
630 * ELD: EDID Like Data
633 bool monitor_present;
639 char monitor_name[ELD_MAX_MNL + 1];
649 struct cea_sad sad[ELD_MAX_SAD];
651 * all fields above eld_buffer will be cleared before updating ELD
653 char eld_buffer[ELD_MAX_SIZE];
654 #ifdef CONFIG_PROC_FS
655 struct snd_info_entry *proc_entry;
659 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
660 int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
661 void snd_hdmi_show_eld(struct hdmi_eld *eld);
662 void snd_hdmi_eld_update_pcm_info(struct hdmi_eld *eld,
663 struct hda_pcm_stream *hinfo);
665 #ifdef CONFIG_PROC_FS
666 int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
668 void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
670 static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
671 struct hdmi_eld *eld,
676 static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
677 struct hdmi_eld *eld)
682 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
683 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
685 #endif /* __SOUND_HDA_LOCAL_H */