net: snmp mib cleanup
[linux/fpc-iii.git] / sound / pci / hda / hda_local.h
blob7cee364976ff3e7488cb0443a7c64b853cfbe781
1 /*
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)
11 * any later version.
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
16 * more details.
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)
37 * for mixer controls
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_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
42 HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
43 /* mono volume with index (index=0,1,...) (channel=1,2) */
44 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
45 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
46 .subdevice = HDA_SUBDEV_AMP_FLAG, \
47 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
48 SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
49 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
50 .info = snd_hda_mixer_amp_volume_info, \
51 .get = snd_hda_mixer_amp_volume_get, \
52 .put = snd_hda_mixer_amp_volume_put, \
53 .tlv = { .c = snd_hda_mixer_amp_tlv }, \
54 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
55 /* stereo volume with index */
56 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
57 HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
58 /* mono volume */
59 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
60 HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
61 /* stereo volume */
62 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
63 HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
64 /* mono mute switch with index (index=0,1,...) (channel=1,2) */
65 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
66 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
67 .subdevice = HDA_SUBDEV_AMP_FLAG, \
68 .info = snd_hda_mixer_amp_switch_info, \
69 .get = snd_hda_mixer_amp_switch_get, \
70 .put = snd_hda_mixer_amp_switch_put, \
71 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
72 /* stereo mute switch with index */
73 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
74 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
75 /* mono mute switch */
76 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
77 HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
78 /* stereo mute switch */
79 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
80 HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
81 #ifdef CONFIG_SND_HDA_INPUT_BEEP
82 /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
83 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
84 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
85 .subdevice = HDA_SUBDEV_AMP_FLAG, \
86 .info = snd_hda_mixer_amp_switch_info, \
87 .get = snd_hda_mixer_amp_switch_get, \
88 .put = snd_hda_mixer_amp_switch_put_beep, \
89 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
90 #else
91 /* no digital beep - just the standard one */
92 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
93 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
94 #endif /* CONFIG_SND_HDA_INPUT_BEEP */
95 /* special beep mono mute switch */
96 #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
97 HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
98 /* special beep stereo mute switch */
99 #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
100 HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
102 extern const char *snd_hda_pcm_type_name[];
104 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
105 struct snd_ctl_elem_info *uinfo);
106 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
107 struct snd_ctl_elem_value *ucontrol);
108 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
109 struct snd_ctl_elem_value *ucontrol);
110 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
111 unsigned int size, unsigned int __user *tlv);
112 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
113 struct snd_ctl_elem_info *uinfo);
114 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
115 struct snd_ctl_elem_value *ucontrol);
116 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
117 struct snd_ctl_elem_value *ucontrol);
118 #ifdef CONFIG_SND_HDA_INPUT_BEEP
119 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
120 struct snd_ctl_elem_value *ucontrol);
121 #endif
122 /* lowlevel accessor with caching; use carefully */
123 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
124 int direction, int index);
125 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
126 int direction, int idx, int mask, int val);
127 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
128 int dir, int idx, int mask, int val);
129 #ifdef SND_HDA_NEEDS_RESUME
130 void snd_hda_codec_resume_amp(struct hda_codec *codec);
131 #endif
133 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
134 unsigned int *tlv);
135 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
136 const char *name);
137 int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
138 unsigned int *tlv, const char **slaves);
139 int snd_hda_codec_reset(struct hda_codec *codec);
141 /* amp value bits */
142 #define HDA_AMP_MUTE 0x80
143 #define HDA_AMP_UNMUTE 0x00
144 #define HDA_AMP_VOLMASK 0x7f
146 /* mono switch binding multiple inputs */
147 #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
148 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
149 .info = snd_hda_mixer_amp_switch_info, \
150 .get = snd_hda_mixer_bind_switch_get, \
151 .put = snd_hda_mixer_bind_switch_put, \
152 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
154 /* stereo switch binding multiple inputs */
155 #define HDA_BIND_MUTE(xname,nid,indices,dir) \
156 HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
158 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
159 struct snd_ctl_elem_value *ucontrol);
160 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
161 struct snd_ctl_elem_value *ucontrol);
163 /* more generic bound controls */
164 struct hda_ctl_ops {
165 snd_kcontrol_info_t *info;
166 snd_kcontrol_get_t *get;
167 snd_kcontrol_put_t *put;
168 snd_kcontrol_tlv_rw_t *tlv;
171 extern struct hda_ctl_ops snd_hda_bind_vol; /* for bind-volume with TLV */
172 extern struct hda_ctl_ops snd_hda_bind_sw; /* for bind-switch */
174 struct hda_bind_ctls {
175 struct hda_ctl_ops *ops;
176 unsigned long values[];
179 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
180 struct snd_ctl_elem_info *uinfo);
181 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
182 struct snd_ctl_elem_value *ucontrol);
183 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
184 struct snd_ctl_elem_value *ucontrol);
185 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
186 unsigned int size, unsigned int __user *tlv);
188 #define HDA_BIND_VOL(xname, bindrec) \
189 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
190 .name = xname, \
191 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
192 SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
193 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
194 .info = snd_hda_mixer_bind_ctls_info,\
195 .get = snd_hda_mixer_bind_ctls_get,\
196 .put = snd_hda_mixer_bind_ctls_put,\
197 .tlv = { .c = snd_hda_mixer_bind_tlv },\
198 .private_value = (long) (bindrec) }
199 #define HDA_BIND_SW(xname, bindrec) \
200 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
201 .name = xname, \
202 .info = snd_hda_mixer_bind_ctls_info,\
203 .get = snd_hda_mixer_bind_ctls_get,\
204 .put = snd_hda_mixer_bind_ctls_put,\
205 .private_value = (long) (bindrec) }
208 * SPDIF I/O
210 int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
211 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
214 * input MUX helper
216 #define HDA_MAX_NUM_INPUTS 16
217 struct hda_input_mux_item {
218 const char *label;
219 unsigned int index;
221 struct hda_input_mux {
222 unsigned int num_items;
223 struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
226 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
227 struct snd_ctl_elem_info *uinfo);
228 int snd_hda_input_mux_put(struct hda_codec *codec,
229 const struct hda_input_mux *imux,
230 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
231 unsigned int *cur_val);
234 * Channel mode helper
236 struct hda_channel_mode {
237 int channels;
238 const struct hda_verb *sequence;
241 int snd_hda_ch_mode_info(struct hda_codec *codec,
242 struct snd_ctl_elem_info *uinfo,
243 const struct hda_channel_mode *chmode,
244 int num_chmodes);
245 int snd_hda_ch_mode_get(struct hda_codec *codec,
246 struct snd_ctl_elem_value *ucontrol,
247 const struct hda_channel_mode *chmode,
248 int num_chmodes,
249 int max_channels);
250 int snd_hda_ch_mode_put(struct hda_codec *codec,
251 struct snd_ctl_elem_value *ucontrol,
252 const struct hda_channel_mode *chmode,
253 int num_chmodes,
254 int *max_channelsp);
257 * Multi-channel / digital-out PCM helper
260 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
261 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
263 struct hda_multi_out {
264 int num_dacs; /* # of DACs, must be more than 1 */
265 hda_nid_t *dac_nids; /* DAC list */
266 hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
267 hda_nid_t extra_out_nid[3]; /* optional DACs, 0 when not exists */
268 hda_nid_t dig_out_nid; /* digital out audio widget */
269 hda_nid_t *slave_dig_outs;
270 int max_channels; /* currently supported analog channels */
271 int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
272 int no_share_stream; /* don't share a stream with multiple pins */
273 int share_spdif; /* share SPDIF pin */
274 /* PCM information for both analog and SPDIF DACs */
275 unsigned int analog_rates;
276 unsigned int analog_maxbps;
277 u64 analog_formats;
278 unsigned int spdif_rates;
279 unsigned int spdif_maxbps;
280 u64 spdif_formats;
283 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
284 struct hda_multi_out *mout);
285 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
286 struct hda_multi_out *mout);
287 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
288 struct hda_multi_out *mout);
289 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
290 struct hda_multi_out *mout,
291 unsigned int stream_tag,
292 unsigned int format,
293 struct snd_pcm_substream *substream);
294 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
295 struct hda_multi_out *mout);
296 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
297 struct hda_multi_out *mout,
298 struct snd_pcm_substream *substream,
299 struct hda_pcm_stream *hinfo);
300 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
301 struct hda_multi_out *mout,
302 unsigned int stream_tag,
303 unsigned int format,
304 struct snd_pcm_substream *substream);
305 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
306 struct hda_multi_out *mout);
309 * generic codec parser
311 #ifdef CONFIG_SND_HDA_GENERIC
312 int snd_hda_parse_generic_codec(struct hda_codec *codec);
313 #else
314 static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
316 return -ENODEV;
318 #endif
321 * generic proc interface
323 #ifdef CONFIG_PROC_FS
324 int snd_hda_codec_proc_new(struct hda_codec *codec);
325 #else
326 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
327 #endif
329 #define SND_PRINT_RATES_ADVISED_BUFSIZE 80
330 void snd_print_pcm_rates(int pcm, char *buf, int buflen);
332 #define SND_PRINT_BITS_ADVISED_BUFSIZE 16
333 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
336 * Misc
338 int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
339 const char **modelnames,
340 const struct snd_pci_quirk *pci_list);
341 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
342 int num_configs, const char **models,
343 const struct snd_pci_quirk *tbl);
344 int snd_hda_add_new_ctls(struct hda_codec *codec,
345 struct snd_kcontrol_new *knew);
348 * unsolicited event handler
351 #define HDA_UNSOL_QUEUE_SIZE 64
353 struct hda_bus_unsolicited {
354 /* ring buffer */
355 u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
356 unsigned int rp, wp;
358 /* workqueue */
359 struct work_struct work;
360 struct hda_bus *bus;
364 * Helper for automatic ping configuration
367 enum {
368 AUTO_PIN_MIC,
369 AUTO_PIN_FRONT_MIC,
370 AUTO_PIN_LINE,
371 AUTO_PIN_FRONT_LINE,
372 AUTO_PIN_CD,
373 AUTO_PIN_AUX,
374 AUTO_PIN_LAST
377 enum {
378 AUTO_PIN_LINE_OUT,
379 AUTO_PIN_SPEAKER_OUT,
380 AUTO_PIN_HP_OUT
383 extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
385 #define AUTO_CFG_MAX_OUTS 5
387 struct auto_pin_cfg {
388 int line_outs;
389 /* sorted in the order of Front/Surr/CLFE/Side */
390 hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
391 int speaker_outs;
392 hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
393 int hp_outs;
394 int line_out_type; /* AUTO_PIN_XXX_OUT */
395 hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
396 hda_nid_t input_pins[AUTO_PIN_LAST];
397 int dig_outs;
398 hda_nid_t dig_out_pins[2];
399 hda_nid_t dig_in_pin;
400 hda_nid_t mono_out_pin;
401 int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
402 int dig_in_type; /* HDA_PCM_TYPE_XXX */
405 #define get_defcfg_connect(cfg) \
406 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
407 #define get_defcfg_association(cfg) \
408 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
409 #define get_defcfg_location(cfg) \
410 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
411 #define get_defcfg_sequence(cfg) \
412 (cfg & AC_DEFCFG_SEQUENCE)
413 #define get_defcfg_device(cfg) \
414 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
416 int snd_hda_parse_pin_def_config(struct hda_codec *codec,
417 struct auto_pin_cfg *cfg,
418 hda_nid_t *ignore_nids);
420 /* amp values */
421 #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8))
422 #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8))
423 #define AMP_OUT_MUTE 0xb080
424 #define AMP_OUT_UNMUTE 0xb000
425 #define AMP_OUT_ZERO 0xb000
426 /* pinctl values */
427 #define PIN_IN (AC_PINCTL_IN_EN)
428 #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
429 #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
430 #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
431 #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
432 #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
433 #define PIN_OUT (AC_PINCTL_OUT_EN)
434 #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
435 #define PIN_HP_AMP (AC_PINCTL_HP_EN)
438 * get widget capabilities
440 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
442 if (nid < codec->start_nid ||
443 nid >= codec->start_nid + codec->num_nodes)
444 return 0;
445 return codec->wcaps[nid - codec->start_nid];
448 /* get the widget type from widget capability bits */
449 #define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
451 static inline unsigned int get_wcaps_channels(u32 wcaps)
453 unsigned int chans;
455 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
456 chans = ((chans << 1) | 1) + 1;
458 return chans;
461 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
462 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
463 unsigned int caps);
464 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
465 u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
466 int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
468 /* flags for hda_nid_item */
469 #define HDA_NID_ITEM_AMP (1<<0)
471 struct hda_nid_item {
472 struct snd_kcontrol *kctl;
473 unsigned int index;
474 hda_nid_t nid;
475 unsigned short flags;
478 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
479 struct snd_kcontrol *kctl);
480 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
481 unsigned int index, hda_nid_t nid);
482 void snd_hda_ctls_clear(struct hda_codec *codec);
485 * hwdep interface
487 #ifdef CONFIG_SND_HDA_HWDEP
488 int snd_hda_create_hwdep(struct hda_codec *codec);
489 #else
490 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
491 #endif
493 #if defined(CONFIG_SND_HDA_POWER_SAVE) && defined(CONFIG_SND_HDA_HWDEP)
494 int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec);
495 #else
496 static inline int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec)
498 return 0;
500 #endif
502 #ifdef CONFIG_SND_HDA_RECONFIG
503 int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
504 #else
505 static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
507 return 0;
509 #endif
511 #ifdef CONFIG_SND_HDA_RECONFIG
512 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
513 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
514 #else
515 static inline
516 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
518 return NULL;
521 static inline
522 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
524 return -ENOENT;
526 #endif
529 * power-management
532 #ifdef CONFIG_SND_HDA_POWER_SAVE
533 void snd_hda_schedule_power_save(struct hda_codec *codec);
535 struct hda_amp_list {
536 hda_nid_t nid;
537 unsigned char dir;
538 unsigned char idx;
541 struct hda_loopback_check {
542 struct hda_amp_list *amplist;
543 int power_on;
546 int snd_hda_check_amp_list_power(struct hda_codec *codec,
547 struct hda_loopback_check *check,
548 hda_nid_t nid);
549 #endif /* CONFIG_SND_HDA_POWER_SAVE */
552 * AMP control callbacks
554 /* retrieve parameters from private_value */
555 #define get_amp_nid_(pv) ((pv) & 0xffff)
556 #define get_amp_nid(kc) get_amp_nid_((kc)->private_value)
557 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
558 #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
559 #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
560 #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f)
563 * CEA Short Audio Descriptor data
565 struct cea_sad {
566 int channels;
567 int format; /* (format == 0) indicates invalid SAD */
568 int rates;
569 int sample_bits; /* for LPCM */
570 int max_bitrate; /* for AC3...ATRAC */
571 int profile; /* for WMAPRO */
574 #define ELD_FIXED_BYTES 20
575 #define ELD_MAX_MNL 16
576 #define ELD_MAX_SAD 16
579 * ELD: EDID Like Data
581 struct hdmi_eld {
582 bool monitor_present;
583 bool eld_valid;
584 int eld_size;
585 int baseline_len;
586 int eld_ver;
587 int cea_edid_ver;
588 char monitor_name[ELD_MAX_MNL + 1];
589 int manufacture_id;
590 int product_id;
591 u64 port_id;
592 int support_hdcp;
593 int support_ai;
594 int conn_type;
595 int aud_synch_delay;
596 int spk_alloc;
597 int sad_count;
598 struct cea_sad sad[ELD_MAX_SAD];
599 #ifdef CONFIG_PROC_FS
600 struct snd_info_entry *proc_entry;
601 #endif
604 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
605 int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
606 void snd_hdmi_show_eld(struct hdmi_eld *eld);
608 #ifdef CONFIG_PROC_FS
609 int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
610 int index);
611 void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
612 #else
613 static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
614 struct hdmi_eld *eld,
615 int index)
617 return 0;
619 static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
620 struct hdmi_eld *eld)
623 #endif
625 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
626 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
628 #endif /* __SOUND_HDA_LOCAL_H */