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)
38 #define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs) \
39 ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
40 #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
41 HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
42 /* mono volume with index (index=0,1,...) (channel=1,2) */
43 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
44 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
45 .subdevice = HDA_SUBDEV_NID_FLAG | (nid), \
46 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
47 SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
48 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
49 .info = snd_hda_mixer_amp_volume_info, \
50 .get = snd_hda_mixer_amp_volume_get, \
51 .put = snd_hda_mixer_amp_volume_put, \
52 .tlv = { .c = snd_hda_mixer_amp_tlv }, \
53 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
54 /* stereo volume with index */
55 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
56 HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
58 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
59 HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
61 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
62 HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
63 /* mono mute switch with index (index=0,1,...) (channel=1,2) */
64 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
65 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
66 .subdevice = HDA_SUBDEV_NID_FLAG | (nid), \
67 .info = snd_hda_mixer_amp_switch_info, \
68 .get = snd_hda_mixer_amp_switch_get, \
69 .put = snd_hda_mixer_amp_switch_put, \
70 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
71 /* stereo mute switch with index */
72 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
73 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
74 /* mono mute switch */
75 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
76 HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
77 /* stereo mute switch */
78 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
79 HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
80 #ifdef CONFIG_SND_HDA_INPUT_BEEP
81 /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
82 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
83 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
84 .subdevice = HDA_SUBDEV_NID_FLAG | (nid), \
85 .info = snd_hda_mixer_amp_switch_info, \
86 .get = snd_hda_mixer_amp_switch_get, \
87 .put = snd_hda_mixer_amp_switch_put_beep, \
88 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
90 /* no digital beep - just the standard one */
91 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
92 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
93 #endif /* CONFIG_SND_HDA_INPUT_BEEP */
94 /* special beep mono mute switch */
95 #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
96 HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
97 /* special beep stereo mute switch */
98 #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
99 HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
101 extern const char *snd_hda_pcm_type_name[];
103 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
104 struct snd_ctl_elem_info *uinfo);
105 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
106 struct snd_ctl_elem_value *ucontrol);
107 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
108 struct snd_ctl_elem_value *ucontrol);
109 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
110 unsigned int size, unsigned int __user *tlv);
111 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
112 struct snd_ctl_elem_info *uinfo);
113 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
114 struct snd_ctl_elem_value *ucontrol);
115 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
116 struct snd_ctl_elem_value *ucontrol);
117 #ifdef CONFIG_SND_HDA_INPUT_BEEP
118 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
119 struct snd_ctl_elem_value *ucontrol);
121 /* lowlevel accessor with caching; use carefully */
122 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
123 int direction, int index);
124 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
125 int direction, int idx, int mask, int val);
126 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
127 int dir, int idx, int mask, int val);
128 #ifdef SND_HDA_NEEDS_RESUME
129 void snd_hda_codec_resume_amp(struct hda_codec *codec);
132 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
134 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
136 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
137 unsigned int *tlv, const char **slaves);
138 int snd_hda_codec_reset(struct hda_codec *codec);
141 #define HDA_AMP_MUTE 0x80
142 #define HDA_AMP_UNMUTE 0x00
143 #define HDA_AMP_VOLMASK 0x7f
145 /* mono switch binding multiple inputs */
146 #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
147 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
148 .info = snd_hda_mixer_amp_switch_info, \
149 .get = snd_hda_mixer_bind_switch_get, \
150 .put = snd_hda_mixer_bind_switch_put, \
151 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
153 /* stereo switch binding multiple inputs */
154 #define HDA_BIND_MUTE(xname,nid,indices,dir) \
155 HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
157 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
158 struct snd_ctl_elem_value *ucontrol);
159 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
160 struct snd_ctl_elem_value *ucontrol);
162 /* more generic bound controls */
164 snd_kcontrol_info_t *info;
165 snd_kcontrol_get_t *get;
166 snd_kcontrol_put_t *put;
167 snd_kcontrol_tlv_rw_t *tlv;
170 extern struct hda_ctl_ops snd_hda_bind_vol; /* for bind-volume with TLV */
171 extern struct hda_ctl_ops snd_hda_bind_sw; /* for bind-switch */
173 struct hda_bind_ctls {
174 struct hda_ctl_ops *ops;
175 unsigned long values[];
178 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
179 struct snd_ctl_elem_info *uinfo);
180 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
181 struct snd_ctl_elem_value *ucontrol);
182 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
183 struct snd_ctl_elem_value *ucontrol);
184 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
185 unsigned int size, unsigned int __user *tlv);
187 #define HDA_BIND_VOL(xname, bindrec) \
188 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
190 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
191 SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
192 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
193 .info = snd_hda_mixer_bind_ctls_info,\
194 .get = snd_hda_mixer_bind_ctls_get,\
195 .put = snd_hda_mixer_bind_ctls_put,\
196 .tlv = { .c = snd_hda_mixer_bind_tlv },\
197 .private_value = (long) (bindrec) }
198 #define HDA_BIND_SW(xname, bindrec) \
199 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
201 .info = snd_hda_mixer_bind_ctls_info,\
202 .get = snd_hda_mixer_bind_ctls_get,\
203 .put = snd_hda_mixer_bind_ctls_put,\
204 .private_value = (long) (bindrec) }
209 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
210 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
215 #define HDA_MAX_NUM_INPUTS 16
216 struct hda_input_mux_item {
220 struct hda_input_mux {
221 unsigned int num_items;
222 struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
225 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
226 struct snd_ctl_elem_info *uinfo);
227 int snd_hda_input_mux_put(struct hda_codec *codec,
228 const struct hda_input_mux *imux,
229 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
230 unsigned int *cur_val);
233 * Channel mode helper
235 struct hda_channel_mode {
237 const struct hda_verb *sequence;
240 int snd_hda_ch_mode_info(struct hda_codec *codec,
241 struct snd_ctl_elem_info *uinfo,
242 const struct hda_channel_mode *chmode,
244 int snd_hda_ch_mode_get(struct hda_codec *codec,
245 struct snd_ctl_elem_value *ucontrol,
246 const struct hda_channel_mode *chmode,
249 int snd_hda_ch_mode_put(struct hda_codec *codec,
250 struct snd_ctl_elem_value *ucontrol,
251 const struct hda_channel_mode *chmode,
256 * Multi-channel / digital-out PCM helper
259 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
260 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
262 struct hda_multi_out {
263 int num_dacs; /* # of DACs, must be more than 1 */
264 hda_nid_t *dac_nids; /* DAC list */
265 hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
266 hda_nid_t extra_out_nid[3]; /* optional DACs, 0 when not exists */
267 hda_nid_t dig_out_nid; /* digital out audio widget */
268 hda_nid_t *slave_dig_outs;
269 int max_channels; /* currently supported analog channels */
270 int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
271 int no_share_stream; /* don't share a stream with multiple pins */
272 int share_spdif; /* share SPDIF pin */
273 /* PCM information for both analog and SPDIF DACs */
274 unsigned int analog_rates;
275 unsigned int analog_maxbps;
277 unsigned int spdif_rates;
278 unsigned int spdif_maxbps;
282 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
283 struct hda_multi_out *mout);
284 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
285 struct hda_multi_out *mout);
286 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
287 struct hda_multi_out *mout);
288 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
289 struct hda_multi_out *mout,
290 unsigned int stream_tag,
292 struct snd_pcm_substream *substream);
293 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
294 struct hda_multi_out *mout);
295 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
296 struct hda_multi_out *mout,
297 struct snd_pcm_substream *substream,
298 struct hda_pcm_stream *hinfo);
299 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
300 struct hda_multi_out *mout,
301 unsigned int stream_tag,
303 struct snd_pcm_substream *substream);
304 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
305 struct hda_multi_out *mout);
308 * generic codec parser
310 #ifdef CONFIG_SND_HDA_GENERIC
311 int snd_hda_parse_generic_codec(struct hda_codec *codec);
313 static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
320 * generic proc interface
322 #ifdef CONFIG_PROC_FS
323 int snd_hda_codec_proc_new(struct hda_codec *codec);
325 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
328 #define SND_PRINT_RATES_ADVISED_BUFSIZE 80
329 void snd_print_pcm_rates(int pcm, char *buf, int buflen);
331 #define SND_PRINT_BITS_ADVISED_BUFSIZE 16
332 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
337 int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
338 const char **modelnames,
339 const struct snd_pci_quirk *pci_list);
340 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
341 int num_configs, const char **models,
342 const struct snd_pci_quirk *tbl);
343 int snd_hda_add_new_ctls(struct hda_codec *codec,
344 struct snd_kcontrol_new *knew);
345 int snd_hda_add_nids(struct hda_codec *codec, struct snd_kcontrol *kctl,
346 unsigned int index, hda_nid_t *nids, unsigned int size);
349 * unsolicited event handler
352 #define HDA_UNSOL_QUEUE_SIZE 64
354 struct hda_bus_unsolicited {
356 u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
360 struct work_struct work;
365 * Helper for automatic ping configuration
380 AUTO_PIN_SPEAKER_OUT,
384 extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
386 #define AUTO_CFG_MAX_OUTS 5
388 struct auto_pin_cfg {
390 /* sorted in the order of Front/Surr/CLFE/Side */
391 hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
393 hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
395 int line_out_type; /* AUTO_PIN_XXX_OUT */
396 hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
397 hda_nid_t input_pins[AUTO_PIN_LAST];
399 hda_nid_t dig_out_pins[2];
400 hda_nid_t dig_in_pin;
401 hda_nid_t mono_out_pin;
402 int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
403 int dig_in_type; /* HDA_PCM_TYPE_XXX */
406 #define get_defcfg_connect(cfg) \
407 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
408 #define get_defcfg_association(cfg) \
409 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
410 #define get_defcfg_location(cfg) \
411 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
412 #define get_defcfg_sequence(cfg) \
413 (cfg & AC_DEFCFG_SEQUENCE)
414 #define get_defcfg_device(cfg) \
415 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
417 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
418 struct auto_pin_cfg *cfg,
419 hda_nid_t *ignore_nids);
422 #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8))
423 #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8))
424 #define AMP_OUT_MUTE 0xb080
425 #define AMP_OUT_UNMUTE 0xb000
426 #define AMP_OUT_ZERO 0xb000
428 #define PIN_IN (AC_PINCTL_IN_EN)
429 #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
430 #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
431 #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
432 #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
433 #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
434 #define PIN_OUT (AC_PINCTL_OUT_EN)
435 #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
436 #define PIN_HP_AMP (AC_PINCTL_HP_EN)
439 * get widget capabilities
441 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
443 if (nid < codec->start_nid ||
444 nid >= codec->start_nid + codec->num_nodes)
446 return codec->wcaps[nid - codec->start_nid];
449 /* get the widget type from widget capability bits */
450 #define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
452 static inline unsigned int get_wcaps_channels(u32 wcaps)
456 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
457 chans = ((chans << 1) | 1) + 1;
462 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
463 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
465 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
466 u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
467 int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
469 struct hda_nid_item {
470 struct snd_kcontrol *kctl;
475 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
476 struct snd_kcontrol *kctl);
477 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
478 unsigned int index, hda_nid_t nid);
479 void snd_hda_ctls_clear(struct hda_codec *codec);
484 #ifdef CONFIG_SND_HDA_HWDEP
485 int snd_hda_create_hwdep(struct hda_codec *codec);
487 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
490 #if defined(CONFIG_SND_HDA_POWER_SAVE) && defined(CONFIG_SND_HDA_HWDEP)
491 int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec);
493 static inline int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec)
499 #ifdef CONFIG_SND_HDA_RECONFIG
500 int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
502 static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
508 #ifdef CONFIG_SND_HDA_RECONFIG
509 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
510 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
513 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
519 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
529 #ifdef CONFIG_SND_HDA_POWER_SAVE
530 void snd_hda_schedule_power_save(struct hda_codec *codec);
532 struct hda_amp_list {
538 struct hda_loopback_check {
539 struct hda_amp_list *amplist;
543 int snd_hda_check_amp_list_power(struct hda_codec *codec,
544 struct hda_loopback_check *check,
546 #endif /* CONFIG_SND_HDA_POWER_SAVE */
549 * AMP control callbacks
551 /* retrieve parameters from private_value */
552 #define get_amp_nid_(pv) ((pv) & 0xffff)
553 #define get_amp_nid(kc) get_amp_nid_((kc)->private_value)
554 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
555 #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
556 #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
557 #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f)
560 * CEA Short Audio Descriptor data
564 int format; /* (format == 0) indicates invalid SAD */
566 int sample_bits; /* for LPCM */
567 int max_bitrate; /* for AC3...ATRAC */
568 int profile; /* for WMAPRO */
571 #define ELD_FIXED_BYTES 20
572 #define ELD_MAX_MNL 16
573 #define ELD_MAX_SAD 16
576 * ELD: EDID Like Data
579 bool monitor_present;
585 char monitor_name[ELD_MAX_MNL + 1];
595 struct cea_sad sad[ELD_MAX_SAD];
596 #ifdef CONFIG_PROC_FS
597 struct snd_info_entry *proc_entry;
601 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
602 int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
603 void snd_hdmi_show_eld(struct hdmi_eld *eld);
605 #ifdef CONFIG_PROC_FS
606 int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
608 void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
610 static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
611 struct hdmi_eld *eld,
616 static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
617 struct hdmi_eld *eld)
622 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
623 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
625 #endif /* __SOUND_HDA_LOCAL_H */