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ALSA: hda - vectorize intelhdmi
[deliverable/linux.git] / sound / pci / hda / hda_local.h
CommitLineData
1da177e4
LT		 1/*
2 * Universal Interface for Intel High Definition Audio Codec
3 *
4 * Local helper functions
5 *
6 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
7 *
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.
12 *
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.
17 *
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.
21 */
22
23#ifndef __SOUND_HDA_LOCAL_H
24#define __SOUND_HDA_LOCAL_H
25
26/*
27 * for mixer controls
28 */
29fdbec2
TI		 29#define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs) \
30 ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
d01ce99f 31#define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
29fdbec2 32 HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
985be54b 33/* mono volume with index (index=0,1,...) (channel=1,2) */
1da177e4
LT		 34#define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
35 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
302e9c5a
JK		 36 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
37 SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
38 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
1da177e4
LT		 39 .info = snd_hda_mixer_amp_volume_info, \
40 .get = snd_hda_mixer_amp_volume_get, \
41 .put = snd_hda_mixer_amp_volume_put, \
7cf0a953 42 .tlv = { .c = snd_hda_mixer_amp_tlv }, \
1da177e4 43 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
985be54b 44/* stereo volume with index */
1da177e4
LT		 45#define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
46 HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
985be54b 47/* mono volume */
1da177e4
LT		 48#define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
49 HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
985be54b 50/* stereo volume */
1da177e4
LT		 51#define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
52 HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
985be54b 53/* mono mute switch with index (index=0,1,...) (channel=1,2) */
1da177e4
LT		 54#define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
55 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
56 .info = snd_hda_mixer_amp_switch_info, \
57 .get = snd_hda_mixer_amp_switch_get, \
58 .put = snd_hda_mixer_amp_switch_put, \
59 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
985be54b 60/* stereo mute switch with index */
1da177e4
LT		 61#define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
62 HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
985be54b 63/* mono mute switch */
1da177e4
LT		 64#define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
65 HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
985be54b 66/* stereo mute switch */
1da177e4
LT		 67#define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
68 HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
69
d01ce99f
TI		 70int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
71 struct snd_ctl_elem_info *uinfo);
72int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
73 struct snd_ctl_elem_value *ucontrol);
74int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
75 struct snd_ctl_elem_value *ucontrol);
76int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
77 unsigned int size, unsigned int __user *tlv);
78int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
79 struct snd_ctl_elem_info *uinfo);
80int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
81 struct snd_ctl_elem_value *ucontrol);
82int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
83 struct snd_ctl_elem_value *ucontrol);
834be88d
TI		 84/* lowlevel accessor with caching; use carefully */
85int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
86 int direction, int index);
87int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
88 int direction, int idx, int mask, int val);
47fd830a
TI		 89int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
90 int dir, int idx, int mask, int val);
cb53c626 91#ifdef SND_HDA_NEEDS_RESUME
b3ac5636 92void snd_hda_codec_resume_amp(struct hda_codec *codec);
82beb8fd 93#endif
1da177e4 94
2134ea4f
TI		 95void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
96 unsigned int *tlv);
97struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
98 const char *name);
99int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
100 unsigned int *tlv, const char **slaves);
a65d629c 101int snd_hda_codec_reset(struct hda_codec *codec);
2134ea4f 102
47fd830a
TI		 103/* amp value bits */
104#define HDA_AMP_MUTE 0x80
105#define HDA_AMP_UNMUTE 0x00
106#define HDA_AMP_VOLMASK 0x7f
107
985be54b
TI		 108/* mono switch binding multiple inputs */
109#define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
110 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \
111 .info = snd_hda_mixer_amp_switch_info, \
112 .get = snd_hda_mixer_bind_switch_get, \
113 .put = snd_hda_mixer_bind_switch_put, \
114 .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
115
116/* stereo switch binding multiple inputs */
d01ce99f
TI		 117#define HDA_BIND_MUTE(xname,nid,indices,dir) \
118 HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
985be54b 119
d01ce99f
TI		 120int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
121 struct snd_ctl_elem_value *ucontrol);
122int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
123 struct snd_ctl_elem_value *ucontrol);
985be54b 124
532d5381
TI		 125/* more generic bound controls */
126struct hda_ctl_ops {
127 snd_kcontrol_info_t *info;
128 snd_kcontrol_get_t *get;
129 snd_kcontrol_put_t *put;
130 snd_kcontrol_tlv_rw_t *tlv;
131};
132
133extern struct hda_ctl_ops snd_hda_bind_vol; /* for bind-volume with TLV */
134extern struct hda_ctl_ops snd_hda_bind_sw; /* for bind-switch */
135
136struct hda_bind_ctls {
137 struct hda_ctl_ops *ops;
5d9b6c07 138 unsigned long values[];
532d5381
TI		 139};
140
141int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
142 struct snd_ctl_elem_info *uinfo);
143int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
144 struct snd_ctl_elem_value *ucontrol);
145int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
146 struct snd_ctl_elem_value *ucontrol);
147int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
148 unsigned int size, unsigned int __user *tlv);
149
150#define HDA_BIND_VOL(xname, bindrec) \
151 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
152 .name = xname, \
153 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
154 SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
155 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
156 .info = snd_hda_mixer_bind_ctls_info,\
157 .get = snd_hda_mixer_bind_ctls_get,\
158 .put = snd_hda_mixer_bind_ctls_put,\
159 .tlv = { .c = snd_hda_mixer_bind_tlv },\
160 .private_value = (long) (bindrec) }
161#define HDA_BIND_SW(xname, bindrec) \
162 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
163 .name = xname, \
164 .info = snd_hda_mixer_bind_ctls_info,\
165 .get = snd_hda_mixer_bind_ctls_get,\
166 .put = snd_hda_mixer_bind_ctls_put,\
167 .private_value = (long) (bindrec) }
168
169/*
170 * SPDIF I/O
171 */
1da177e4
LT		 172int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
173int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
174
175/*
176 * input MUX helper
177 */
54d17403 178#define HDA_MAX_NUM_INPUTS 16
1da177e4
LT		 179struct hda_input_mux_item {
180 const char *label;
181 unsigned int index;
182};
183struct hda_input_mux {
184 unsigned int num_items;
185 struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
186};
187
d01ce99f
TI		 188int snd_hda_input_mux_info(const struct hda_input_mux *imux,
189 struct snd_ctl_elem_info *uinfo);
190int snd_hda_input_mux_put(struct hda_codec *codec,
191 const struct hda_input_mux *imux,
c8b6bf9b 192 struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
1da177e4
LT		 193 unsigned int *cur_val);
194
c8b6bf9b 195/*
d2a6d7dc
TI		 196 * Channel mode helper
197 */
198struct hda_channel_mode {
199 int channels;
200 const struct hda_verb *sequence;
201};
202
d01ce99f
TI		 203int snd_hda_ch_mode_info(struct hda_codec *codec,
204 struct snd_ctl_elem_info *uinfo,
205 const struct hda_channel_mode *chmode,
206 int num_chmodes);
207int snd_hda_ch_mode_get(struct hda_codec *codec,
208 struct snd_ctl_elem_value *ucontrol,
209 const struct hda_channel_mode *chmode,
210 int num_chmodes,
d2a6d7dc 211 int max_channels);
d01ce99f
TI		 212int snd_hda_ch_mode_put(struct hda_codec *codec,
213 struct snd_ctl_elem_value *ucontrol,
214 const struct hda_channel_mode *chmode,
215 int num_chmodes,
d2a6d7dc
TI		 216 int *max_channelsp);
217
1da177e4
LT		 218/*
219 * Multi-channel / digital-out PCM helper
220 */
221
222enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
223enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
224
225struct hda_multi_out {
226 int num_dacs; /* # of DACs, must be more than 1 */
227 hda_nid_t *dac_nids; /* DAC list */
228 hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
82bc955f 229 hda_nid_t extra_out_nid[3]; /* optional DACs, 0 when not exists */
1da177e4 230 hda_nid_t dig_out_nid; /* digital out audio widget */
b25c9da1 231 hda_nid_t *slave_dig_outs;
1da177e4
LT		 232 int max_channels; /* currently supported analog channels */
233 int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
d29240ce 234 int no_share_stream; /* don't share a stream with multiple pins */
9a08160b
TI		 235 int share_spdif; /* share SPDIF pin */
236 /* PCM information for both analog and SPDIF DACs */
237 unsigned int analog_rates;
238 unsigned int analog_maxbps;
239 u64 analog_formats;
240 unsigned int spdif_rates;
241 unsigned int spdif_maxbps;
242 u64 spdif_formats;
1da177e4
LT		 243};
244
9a08160b
TI		 245int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
246 struct hda_multi_out *mout);
d01ce99f
TI		 247int snd_hda_multi_out_dig_open(struct hda_codec *codec,
248 struct hda_multi_out *mout);
249int snd_hda_multi_out_dig_close(struct hda_codec *codec,
250 struct hda_multi_out *mout);
6b97eb45
TI		 251int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
252 struct hda_multi_out *mout,
253 unsigned int stream_tag,
254 unsigned int format,
255 struct snd_pcm_substream *substream);
9411e21c
TI		 256int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
257 struct hda_multi_out *mout);
d01ce99f
TI		 258int snd_hda_multi_out_analog_open(struct hda_codec *codec,
259 struct hda_multi_out *mout,
9a08160b
TI		 260 struct snd_pcm_substream *substream,
261 struct hda_pcm_stream *hinfo);
d01ce99f
TI		 262int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
263 struct hda_multi_out *mout,
1da177e4
LT		 264 unsigned int stream_tag,
265 unsigned int format,
c8b6bf9b 266 struct snd_pcm_substream *substream);
d01ce99f
TI		 267int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
268 struct hda_multi_out *mout);
1da177e4
LT		 269
270/*
271 * generic codec parser
272 */
35a1e0cc 273#ifdef CONFIG_SND_HDA_GENERIC
1da177e4 274int snd_hda_parse_generic_codec(struct hda_codec *codec);
35a1e0cc
TI		 275#else
276static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
277{
278 return -ENODEV;
279}
280#endif
1da177e4
LT		 281
282/*
283 * generic proc interface
284 */
285#ifdef CONFIG_PROC_FS
286int snd_hda_codec_proc_new(struct hda_codec *codec);
287#else
288static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
289#endif
290
33deeca3
WF		 291#define SND_PRINT_RATES_ADVISED_BUFSIZE 80
292void snd_print_pcm_rates(int pcm, char *buf, int buflen);
293
d39b4352
WF		 294#define SND_PRINT_BITS_ADVISED_BUFSIZE 16
295void snd_print_pcm_bits(int pcm, char *buf, int buflen);
296
1da177e4
LT		 297/*
298 * Misc
299 */
f5fcc13c
TI		 300int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
301 const char **modelnames,
302 const struct snd_pci_quirk *pci_list);
2eda3445
MCC		 303int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
304 int num_configs, const char **models,
305 const struct snd_pci_quirk *tbl);
d01ce99f
TI		 306int snd_hda_add_new_ctls(struct hda_codec *codec,
307 struct snd_kcontrol_new *knew);
1da177e4 308
1da177e4
LT		 309/*
310 * unsolicited event handler
311 */
312
313#define HDA_UNSOL_QUEUE_SIZE 64
314
315struct hda_bus_unsolicited {
316 /* ring buffer */
317 u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
318 unsigned int rp, wp;
319
320 /* workqueue */
1da177e4 321 struct work_struct work;
c4028958 322 struct hda_bus *bus;
1da177e4
LT		 323};
324
e9edcee0
TI		 325/*
326 * Helper for automatic ping configuration
327 */
328
329enum {
330 AUTO_PIN_MIC,
331 AUTO_PIN_FRONT_MIC,
332 AUTO_PIN_LINE,
333 AUTO_PIN_FRONT_LINE,
334 AUTO_PIN_CD,
335 AUTO_PIN_AUX,
336 AUTO_PIN_LAST
337};
338
d258e24a
TI		 339enum {
340 AUTO_PIN_LINE_OUT,
341 AUTO_PIN_SPEAKER_OUT,
342 AUTO_PIN_HP_OUT
343};
344
4a471b7d
TI		 345extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
346
41923e44
TI		 347#define AUTO_CFG_MAX_OUTS 5
348
e9edcee0
TI		 349struct auto_pin_cfg {
350 int line_outs;
41923e44
TI		 351 /* sorted in the order of Front/Surr/CLFE/Side */
352 hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS];
82bc955f 353 int speaker_outs;
41923e44 354 hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS];
eb06ed8f 355 int hp_outs;
d258e24a 356 int line_out_type; /* AUTO_PIN_XXX_OUT */
41923e44 357 hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS];
e9edcee0 358 hda_nid_t input_pins[AUTO_PIN_LAST];
0852d7a6
TI		 359 int dig_outs;
360 hda_nid_t dig_out_pins[2];
e9edcee0 361 hda_nid_t dig_in_pin;
90da78bf 362 hda_nid_t mono_out_pin;
0852d7a6 363 int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */
2297bd6e 364 int dig_in_type; /* HDA_PCM_TYPE_XXX */
e9edcee0
TI		 365};
366
d01ce99f
TI		 367#define get_defcfg_connect(cfg) \
368 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
369#define get_defcfg_association(cfg) \
370 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
371#define get_defcfg_location(cfg) \
372 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
373#define get_defcfg_sequence(cfg) \
374 (cfg & AC_DEFCFG_SEQUENCE)
375#define get_defcfg_device(cfg) \
376 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
377
378int snd_hda_parse_pin_def_config(struct hda_codec *codec,
379 struct auto_pin_cfg *cfg,
df694daa 380 hda_nid_t *ignore_nids);
e9edcee0 381
8d88bc3d
TI		 382/* amp values */
383#define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8))
384#define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8))
d301fc32
TI		 385#define AMP_OUT_MUTE 0xb080
386#define AMP_OUT_UNMUTE 0xb000
387#define AMP_OUT_ZERO 0xb000
8d88bc3d 388/* pinctl values */
35e8901e 389#define PIN_IN (AC_PINCTL_IN_EN)
d301fc32 390#define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
35e8901e 391#define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
d301fc32 392#define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
35e8901e 393#define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
d301fc32
TI		 394#define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
395#define PIN_OUT (AC_PINCTL_OUT_EN)
35e8901e
RJ		 396#define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
397#define PIN_HP_AMP (AC_PINCTL_HP_EN)
8d88bc3d 398
54d17403
TI		 399/*
400 * get widget capabilities
401 */
402static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
403{
404 if (nid < codec->start_nid ||
405 nid >= codec->start_nid + codec->num_nodes)
dca008f3 406 return 0;
54d17403
TI		 407 return codec->wcaps[nid - codec->start_nid];
408}
409
a22d543a
TI		 410/* get the widget type from widget capability bits */
411#define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
412
fd72d008
WF		 413static inline unsigned int get_wcaps_channels(u32 wcaps)
414{
415 unsigned int chans;
416
417 chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
418 chans = ((chans << 1) | 1) + 1;
419
420 return chans;
421}
422
09a99959 423u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
897cc188
TI		 424int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
425 unsigned int caps);
1327a32b 426u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
54d17403 427
d13bd412
TI		 428int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl);
429void snd_hda_ctls_clear(struct hda_codec *codec);
430
2807314d
TI		 431/*
432 * hwdep interface
433 */
d7ffba19 434#ifdef CONFIG_SND_HDA_HWDEP
2807314d 435int snd_hda_create_hwdep(struct hda_codec *codec);
d7ffba19
TI		 436#else
437static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
438#endif
2807314d 439
e7ee058c
TI		 440#ifdef CONFIG_SND_HDA_RECONFIG
441int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
442#else
443static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
444{
445 return 0;
446}
447#endif
448
43b62713
TI		 449#ifdef CONFIG_SND_HDA_RECONFIG
450const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
451int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
452#else
453static inline
454const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
455{
456 return NULL;
457}
458
459static inline
460int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
461{
462 return -ENOENT;
463}
464#endif
465
cb53c626
TI		 466/*
467 * power-management
468 */
469
470#ifdef CONFIG_SND_HDA_POWER_SAVE
471void snd_hda_schedule_power_save(struct hda_codec *codec);
472
473struct hda_amp_list {
474 hda_nid_t nid;
475 unsigned char dir;
476 unsigned char idx;
477};
478
479struct hda_loopback_check {
480 struct hda_amp_list *amplist;
481 int power_on;
482};
483
484int snd_hda_check_amp_list_power(struct hda_codec *codec,
485 struct hda_loopback_check *check,
486 hda_nid_t nid);
487#endif /* CONFIG_SND_HDA_POWER_SAVE */
488
89385035
MR		 489/*
490 * AMP control callbacks
491 */
492/* retrieve parameters from private_value */
493#define get_amp_nid(kc) ((kc)->private_value & 0xffff)
494#define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
495#define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1)
496#define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf)
29fdbec2 497#define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f)
89385035 498
7f4a9f43
WF		 499/*
500 * CEA Short Audio Descriptor data
501 */
502struct cea_sad {
503 int channels;
504 int format; /* (format == 0) indicates invalid SAD */
505 int rates;
506 int sample_bits; /* for LPCM */
507 int max_bitrate; /* for AC3...ATRAC */
508 int profile; /* for WMAPRO */
509};
510
511#define ELD_FIXED_BYTES 20
512#define ELD_MAX_MNL 16
513#define ELD_MAX_SAD 16
514
515/*
516 * ELD: EDID Like Data
517 */
5b87ebb7 518struct hdmi_eld {
7f4a9f43
WF		 519 int eld_size;
520 int baseline_len;
521 int eld_ver; /* (eld_ver == 0) indicates invalid ELD */
522 int cea_edid_ver;
523 char monitor_name[ELD_MAX_MNL + 1];
524 int manufacture_id;
525 int product_id;
526 u64 port_id;
527 int support_hdcp;
528 int support_ai;
529 int conn_type;
530 int aud_synch_delay;
531 int spk_alloc;
532 int sad_count;
533 struct cea_sad sad[ELD_MAX_SAD];
f208dba9
TI		 534#ifdef CONFIG_PROC_FS
535 struct snd_info_entry *proc_entry;
536#endif
7f4a9f43
WF		 537};
538
539int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
5b87ebb7
WF		 540int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
541void snd_hdmi_show_eld(struct hdmi_eld *eld);
7f4a9f43 542
5f1e71b1 543#ifdef CONFIG_PROC_FS
54a25f87
WF		 544int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
545 int index);
f208dba9 546void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
5f1e71b1 547#else
0623536c 548static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
54a25f87
WF		 549 struct hdmi_eld *eld,
550 int index)
5f1e71b1
WF		 551{
552 return 0;
553}
f208dba9
TI		 554static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
555 struct hdmi_eld *eld)
556{
557}
5f1e71b1
WF		 558#endif
559
903b21d8
WF		 560#define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
561void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
562
1da177e4 563#endif /* __SOUND_HDA_LOCAL_H */
Linux kernel - Deliverables
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