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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/* 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.
29 *
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.
32 */
33#define HDA_SUBDEV_NID_FLAG	(1U << 31)
34#define HDA_SUBDEV_AMP_FLAG	(1U << 30)
35
36/*
37 * for mixer controls
38 */
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)
101
102extern const char *snd_hda_pcm_type_name[];
103
104int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
105				  struct snd_ctl_elem_info *uinfo);
106int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
107				 struct snd_ctl_elem_value *ucontrol);
108int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
109				 struct snd_ctl_elem_value *ucontrol);
110int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
111			  unsigned int size, unsigned int __user *tlv);
112int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
113				  struct snd_ctl_elem_info *uinfo);
114int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
115				 struct snd_ctl_elem_value *ucontrol);
116int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
117				 struct snd_ctl_elem_value *ucontrol);
118#ifdef CONFIG_SND_HDA_INPUT_BEEP
119int 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 */
123int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
124			   int direction, int index);
125int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
126			     int direction, int idx, int mask, int val);
127int 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
130void snd_hda_codec_resume_amp(struct hda_codec *codec);
131#endif
132
133void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
134			     unsigned int *tlv);
135struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
136					    const char *name);
137int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
138			unsigned int *tlv, const char **slaves);
139int snd_hda_codec_reset(struct hda_codec *codec);
140
141/* amp value bits */
142#define HDA_AMP_MUTE	0x80
143#define HDA_AMP_UNMUTE	0x00
144#define HDA_AMP_VOLMASK	0x7f
145
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) }
153
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)
157
158int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
159				  struct snd_ctl_elem_value *ucontrol);
160int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
161				  struct snd_ctl_elem_value *ucontrol);
162
163/* more generic bound controls */
164struct 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;
169};
170
171extern struct hda_ctl_ops snd_hda_bind_vol;	/* for bind-volume with TLV */
172extern struct hda_ctl_ops snd_hda_bind_sw;	/* for bind-switch */
173
174struct hda_bind_ctls {
175	struct hda_ctl_ops *ops;
176	unsigned long values[];
177};
178
179int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
180				 struct snd_ctl_elem_info *uinfo);
181int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
182				struct snd_ctl_elem_value *ucontrol);
183int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
184				struct snd_ctl_elem_value *ucontrol);
185int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
186			   unsigned int size, unsigned int __user *tlv);
187
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) }
206
207/*
208 * SPDIF I/O
209 */
210int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
211int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
212
213/*
214 * input MUX helper
215 */
216#define HDA_MAX_NUM_INPUTS	16
217struct hda_input_mux_item {
218	const char *label;
219	unsigned int index;
220};
221struct hda_input_mux {
222	unsigned int num_items;
223	struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
224};
225
226int snd_hda_input_mux_info(const struct hda_input_mux *imux,
227			   struct snd_ctl_elem_info *uinfo);
228int 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);
232
233/*
234 * Channel mode helper
235 */
236struct hda_channel_mode {
237	int channels;
238	const struct hda_verb *sequence;
239};
240
241int 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);
245int 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);
250int 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);
255
256/*
257 * Multi-channel / digital-out PCM helper
258 */
259
260enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
261enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
262
263struct 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;
281};
282
283int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
284				  struct hda_multi_out *mout);
285int snd_hda_multi_out_dig_open(struct hda_codec *codec,
286			       struct hda_multi_out *mout);
287int snd_hda_multi_out_dig_close(struct hda_codec *codec,
288				struct hda_multi_out *mout);
289int 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);
294int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
295				  struct hda_multi_out *mout);
296int 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);
300int 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);
305int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
306				     struct hda_multi_out *mout);
307
308/*
309 * generic codec parser
310 */
311#ifdef CONFIG_SND_HDA_GENERIC
312int snd_hda_parse_generic_codec(struct hda_codec *codec);
313#else
314static inline int snd_hda_parse_generic_codec(struct hda_codec *codec)
315{
316	return -ENODEV;
317}
318#endif
319
320/*
321 * generic proc interface
322 */
323#ifdef CONFIG_PROC_FS
324int snd_hda_codec_proc_new(struct hda_codec *codec);
325#else
326static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
327#endif
328
329#define SND_PRINT_RATES_ADVISED_BUFSIZE	80
330void snd_print_pcm_rates(int pcm, char *buf, int buflen);
331
332#define SND_PRINT_BITS_ADVISED_BUFSIZE	16
333void snd_print_pcm_bits(int pcm, char *buf, int buflen);
334
335/*
336 * Misc
337 */
338int snd_hda_check_board_config(struct hda_codec *codec, int num_configs,
339			       const char **modelnames,
340			       const struct snd_pci_quirk *pci_list);
341int 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);
344int snd_hda_add_new_ctls(struct hda_codec *codec,
345			 struct snd_kcontrol_new *knew);
346
347/*
348 * unsolicited event handler
349 */
350
351#define HDA_UNSOL_QUEUE_SIZE	64
352
353struct hda_bus_unsolicited {
354	/* ring buffer */
355	u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
356	unsigned int rp, wp;
357
358	/* workqueue */
359	struct work_struct work;
360	struct hda_bus *bus;
361};
362
363/*
364 * Helper for automatic pin configuration
365 */
366
367enum {
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
375};
376
377enum {
378	AUTO_PIN_LINE_OUT,
379	AUTO_PIN_SPEAKER_OUT,
380	AUTO_PIN_HP_OUT
381};
382
383extern const char *auto_pin_cfg_labels[AUTO_PIN_LAST];
384
385#define AUTO_CFG_MAX_OUTS	5
386
387struct 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 */
403};
404
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)
415
416int snd_hda_parse_pin_def_config(struct hda_codec *codec,
417				 struct auto_pin_cfg *cfg,
418				 hda_nid_t *ignore_nids);
419
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)
436
437/*
438 * get widget capabilities
439 */
440static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
441{
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];
446}
447
448/* get the widget type from widget capability bits */
449#define get_wcaps_type(wcaps) (((wcaps) & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT)
450
451static inline unsigned int get_wcaps_channels(u32 wcaps)
452{
453	unsigned int chans;
454
455	chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
456	chans = ((chans << 1) | 1) + 1;
457
458	return chans;
459}
460
461u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
462int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
463			      unsigned int caps);
464u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid);
465u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
466int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
467
468/* flags for hda_nid_item */
469#define HDA_NID_ITEM_AMP	(1<<0)
470
471struct hda_nid_item {
472	struct snd_kcontrol *kctl;
473	unsigned int index;
474	hda_nid_t nid;
475	unsigned short flags;
476};
477
478int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
479		    struct snd_kcontrol *kctl);
480int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
481		    unsigned int index, hda_nid_t nid);
482void snd_hda_ctls_clear(struct hda_codec *codec);
483
484/*
485 * hwdep interface
486 */
487#ifdef CONFIG_SND_HDA_HWDEP
488int snd_hda_create_hwdep(struct hda_codec *codec);
489#else
490static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
491#endif
492
493#if defined(CONFIG_SND_HDA_POWER_SAVE) && defined(CONFIG_SND_HDA_HWDEP)
494int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec);
495#else
496static inline int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec)
497{
498	return 0;
499}
500#endif
501
502#ifdef CONFIG_SND_HDA_RECONFIG
503int snd_hda_hwdep_add_sysfs(struct hda_codec *codec);
504#else
505static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
506{
507	return 0;
508}
509#endif
510
511#ifdef CONFIG_SND_HDA_RECONFIG
512const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
513int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
514#else
515static inline
516const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
517{
518	return NULL;
519}
520
521static inline
522int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
523{
524	return -ENOENT;
525}
526#endif
527
528/*
529 * power-management
530 */
531
532#ifdef CONFIG_SND_HDA_POWER_SAVE
533void snd_hda_schedule_power_save(struct hda_codec *codec);
534
535struct hda_amp_list {
536	hda_nid_t nid;
537	unsigned char dir;
538	unsigned char idx;
539};
540
541struct hda_loopback_check {
542	struct hda_amp_list *amplist;
543	int power_on;
544};
545
546int 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 */
550
551/*
552 * AMP control callbacks
553 */
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)
561
562/*
563 * CEA Short Audio Descriptor data
564 */
565struct 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 */
572};
573
574#define ELD_FIXED_BYTES	20
575#define ELD_MAX_MNL	16
576#define ELD_MAX_SAD	16
577
578/*
579 * ELD: EDID Like Data
580 */
581struct 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
602};
603
604int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
605int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t);
606void snd_hdmi_show_eld(struct hdmi_eld *eld);
607void hdmi_eld_update_pcm_info(struct hdmi_eld *eld, struct hda_pcm_stream *pcm,
608			      struct hda_pcm_stream *codec_pars);
609
610#ifdef CONFIG_PROC_FS
611int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
612			 int index);
613void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld);
614#else
615static inline int snd_hda_eld_proc_new(struct hda_codec *codec,
616				       struct hdmi_eld *eld,
617				       int index)
618{
619	return 0;
620}
621static inline void snd_hda_eld_proc_free(struct hda_codec *codec,
622					 struct hdmi_eld *eld)
623{
624}
625#endif
626
627#define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
628void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
629
630#endif /* __SOUND_HDA_LOCAL_H */
631