xref: /linux/sound/pci/hda/hda_local.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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_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)
59 /* mono volume */
60 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
61 	HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction, 0)
62 /* stereo volume */
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, \
68 				  HDA_AMP_VAL_MIN_MUTE)
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) }
95 #else
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)
106 
107 extern const char *snd_hda_pcm_type_name[];
108 
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);
128 #endif
129 /* lowlevel accessor with caching; use carefully */
130 #define snd_hda_codec_amp_read(codec, nid, ch, dir, idx) \
131 	snd_hdac_regmap_get_amp(&(codec)->core, nid, ch, dir, idx)
132 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
133 			     int ch, int dir, 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);
136 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
137 			   int direction, int idx, int mask, int val);
138 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
139 				  int dir, int idx, int mask, int val);
140 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
141 			     unsigned int *tlv);
142 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
143 					    const char *name);
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);
151 void snd_hda_codec_register(struct hda_codec *codec);
152 void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec);
153 
154 enum {
155 	HDA_VMUTE_OFF,
156 	HDA_VMUTE_ON,
157 	HDA_VMUTE_FOLLOW_MASTER,
158 };
159 
160 struct hda_vmaster_mute_hook {
161 	/* below two fields must be filled by the caller of
162 	 * snd_hda_add_vmaster_hook() beforehand
163 	 */
164 	struct snd_kcontrol *sw_kctl;
165 	void (*hook)(void *, int);
166 	/* below are initialized automatically */
167 	unsigned int mute_mode; /* HDA_VMUTE_XXX */
168 	struct hda_codec *codec;
169 };
170 
171 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
172 			     struct hda_vmaster_mute_hook *hook,
173 			     bool expose_enum_ctl);
174 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook);
175 
176 /* amp value bits */
177 #define HDA_AMP_MUTE	0x80
178 #define HDA_AMP_UNMUTE	0x00
179 #define HDA_AMP_VOLMASK	0x7f
180 
181 /* mono switch binding multiple inputs */
182 #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \
183 	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0,  \
184 	  .info = snd_hda_mixer_amp_switch_info, \
185 	  .get = snd_hda_mixer_bind_switch_get, \
186 	  .put = snd_hda_mixer_bind_switch_put, \
187 	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) }
188 
189 /* stereo switch binding multiple inputs */
190 #define HDA_BIND_MUTE(xname,nid,indices,dir) \
191 	HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir)
192 
193 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
194 				  struct snd_ctl_elem_value *ucontrol);
195 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
196 				  struct snd_ctl_elem_value *ucontrol);
197 
198 /* more generic bound controls */
199 struct hda_ctl_ops {
200 	snd_kcontrol_info_t *info;
201 	snd_kcontrol_get_t *get;
202 	snd_kcontrol_put_t *put;
203 	snd_kcontrol_tlv_rw_t *tlv;
204 };
205 
206 extern struct hda_ctl_ops snd_hda_bind_vol;	/* for bind-volume with TLV */
207 extern struct hda_ctl_ops snd_hda_bind_sw;	/* for bind-switch */
208 
209 struct hda_bind_ctls {
210 	struct hda_ctl_ops *ops;
211 	unsigned long values[];
212 };
213 
214 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
215 				 struct snd_ctl_elem_info *uinfo);
216 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
217 				struct snd_ctl_elem_value *ucontrol);
218 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
219 				struct snd_ctl_elem_value *ucontrol);
220 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
221 			   unsigned int size, unsigned int __user *tlv);
222 
223 #define HDA_BIND_VOL(xname, bindrec) \
224 	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
225 	  .name = xname, \
226 	  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
227 			  SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
228 			  SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\
229 	  .info = snd_hda_mixer_bind_ctls_info,\
230 	  .get =  snd_hda_mixer_bind_ctls_get,\
231 	  .put = snd_hda_mixer_bind_ctls_put,\
232 	  .tlv = { .c = snd_hda_mixer_bind_tlv },\
233 	  .private_value = (long) (bindrec) }
234 #define HDA_BIND_SW(xname, bindrec) \
235 	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
236 	  .name = xname, \
237 	  .info = snd_hda_mixer_bind_ctls_info,\
238 	  .get =  snd_hda_mixer_bind_ctls_get,\
239 	  .put = snd_hda_mixer_bind_ctls_put,\
240 	  .private_value = (long) (bindrec) }
241 
242 /*
243  * SPDIF I/O
244  */
245 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
246 				hda_nid_t associated_nid,
247 				hda_nid_t cvt_nid, int type);
248 #define snd_hda_create_spdif_out_ctls(codec, anid, cnid) \
249 	snd_hda_create_dig_out_ctls(codec, anid, cnid, HDA_PCM_TYPE_SPDIF)
250 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
251 
252 /*
253  * input MUX helper
254  */
255 #define HDA_MAX_NUM_INPUTS	16
256 struct hda_input_mux_item {
257 	char label[32];
258 	unsigned int index;
259 };
260 struct hda_input_mux {
261 	unsigned int num_items;
262 	struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
263 };
264 
265 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
266 			   struct snd_ctl_elem_info *uinfo);
267 int snd_hda_input_mux_put(struct hda_codec *codec,
268 			  const struct hda_input_mux *imux,
269 			  struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
270 			  unsigned int *cur_val);
271 int snd_hda_add_imux_item(struct hda_codec *codec,
272 			  struct hda_input_mux *imux, const char *label,
273 			  int index, int *type_index_ret);
274 
275 /*
276  * Multi-channel / digital-out PCM helper
277  */
278 
279 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
280 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
281 
282 #define HDA_MAX_OUTS	5
283 
284 struct hda_multi_out {
285 	int num_dacs;		/* # of DACs, must be more than 1 */
286 	const hda_nid_t *dac_nids;	/* DAC list */
287 	hda_nid_t hp_nid;	/* optional DAC for HP, 0 when not exists */
288 	hda_nid_t hp_out_nid[HDA_MAX_OUTS];	/* DACs for multiple HPs */
289 	hda_nid_t extra_out_nid[HDA_MAX_OUTS];	/* other (e.g. speaker) DACs */
290 	hda_nid_t dig_out_nid;	/* digital out audio widget */
291 	const hda_nid_t *slave_dig_outs;
292 	int max_channels;	/* currently supported analog channels */
293 	int dig_out_used;	/* current usage of digital out (HDA_DIG_XXX) */
294 	int no_share_stream;	/* don't share a stream with multiple pins */
295 	int share_spdif;	/* share SPDIF pin */
296 	/* PCM information for both analog and SPDIF DACs */
297 	unsigned int analog_rates;
298 	unsigned int analog_maxbps;
299 	u64 analog_formats;
300 	unsigned int spdif_rates;
301 	unsigned int spdif_maxbps;
302 	u64 spdif_formats;
303 };
304 
305 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
306 				  struct hda_multi_out *mout);
307 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
308 			       struct hda_multi_out *mout);
309 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
310 				struct hda_multi_out *mout);
311 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
312 				  struct hda_multi_out *mout,
313 				  unsigned int stream_tag,
314 				  unsigned int format,
315 				  struct snd_pcm_substream *substream);
316 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
317 				  struct hda_multi_out *mout);
318 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
319 				  struct hda_multi_out *mout,
320 				  struct snd_pcm_substream *substream,
321 				  struct hda_pcm_stream *hinfo);
322 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
323 				     struct hda_multi_out *mout,
324 				     unsigned int stream_tag,
325 				     unsigned int format,
326 				     struct snd_pcm_substream *substream);
327 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
328 				     struct hda_multi_out *mout);
329 
330 /*
331  * generic proc interface
332  */
333 #ifdef CONFIG_SND_PROC_FS
334 int snd_hda_codec_proc_new(struct hda_codec *codec);
335 #else
336 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
337 #endif
338 
339 #define SND_PRINT_BITS_ADVISED_BUFSIZE	16
340 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
341 
342 /*
343  * Misc
344  */
345 int snd_hda_add_new_ctls(struct hda_codec *codec,
346 			 const struct snd_kcontrol_new *knew);
347 
348 /*
349  * Fix-up pin default configurations and add default verbs
350  */
351 
352 struct hda_pintbl {
353 	hda_nid_t nid;
354 	u32 val;
355 };
356 
357 struct hda_model_fixup {
358 	const int id;
359 	const char *name;
360 };
361 
362 struct hda_fixup {
363 	int type;
364 	bool chained:1;		/* call the chained fixup(s) after this */
365 	bool chained_before:1;	/* call the chained fixup(s) before this */
366 	int chain_id;
367 	union {
368 		const struct hda_pintbl *pins;
369 		const struct hda_verb *verbs;
370 		void (*func)(struct hda_codec *codec,
371 			     const struct hda_fixup *fix,
372 			     int action);
373 	} v;
374 };
375 
376 struct snd_hda_pin_quirk {
377 	unsigned int codec;             /* Codec vendor/device ID */
378 	unsigned short subvendor;	/* PCI subvendor ID */
379 	const struct hda_pintbl *pins;  /* list of matching pins */
380 #ifdef CONFIG_SND_DEBUG_VERBOSE
381 	const char *name;
382 #endif
383 	int value;			/* quirk value */
384 };
385 
386 #ifdef CONFIG_SND_DEBUG_VERBOSE
387 
388 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
389 	{ .codec = _codec,\
390 	  .subvendor = _subvendor,\
391 	  .name = _name,\
392 	  .value = _value,\
393 	  .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
394 	}
395 #else
396 
397 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
398 	{ .codec = _codec,\
399 	  .subvendor = _subvendor,\
400 	  .value = _value,\
401 	  .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
402 	}
403 
404 #endif
405 
406 #define HDA_FIXUP_ID_NOT_SET -1
407 #define HDA_FIXUP_ID_NO_FIXUP -2
408 
409 /* fixup types */
410 enum {
411 	HDA_FIXUP_INVALID,
412 	HDA_FIXUP_PINS,
413 	HDA_FIXUP_VERBS,
414 	HDA_FIXUP_FUNC,
415 	HDA_FIXUP_PINCTLS,
416 };
417 
418 /* fixup action definitions */
419 enum {
420 	HDA_FIXUP_ACT_PRE_PROBE,
421 	HDA_FIXUP_ACT_PROBE,
422 	HDA_FIXUP_ACT_INIT,
423 	HDA_FIXUP_ACT_BUILD,
424 	HDA_FIXUP_ACT_FREE,
425 };
426 
427 int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list);
428 void snd_hda_apply_verbs(struct hda_codec *codec);
429 void snd_hda_apply_pincfgs(struct hda_codec *codec,
430 			   const struct hda_pintbl *cfg);
431 void snd_hda_apply_fixup(struct hda_codec *codec, int action);
432 void snd_hda_pick_fixup(struct hda_codec *codec,
433 			const struct hda_model_fixup *models,
434 			const struct snd_pci_quirk *quirk,
435 			const struct hda_fixup *fixlist);
436 void snd_hda_pick_pin_fixup(struct hda_codec *codec,
437 			    const struct snd_hda_pin_quirk *pin_quirk,
438 			    const struct hda_fixup *fixlist);
439 
440 /* helper macros to retrieve pin default-config values */
441 #define get_defcfg_connect(cfg) \
442 	((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
443 #define get_defcfg_association(cfg) \
444 	((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
445 #define get_defcfg_location(cfg) \
446 	((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
447 #define get_defcfg_sequence(cfg) \
448 	(cfg & AC_DEFCFG_SEQUENCE)
449 #define get_defcfg_device(cfg) \
450 	((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
451 #define get_defcfg_misc(cfg) \
452 	((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT)
453 
454 /* amp values */
455 #define AMP_IN_MUTE(idx)	(0x7080 | ((idx)<<8))
456 #define AMP_IN_UNMUTE(idx)	(0x7000 | ((idx)<<8))
457 #define AMP_OUT_MUTE		0xb080
458 #define AMP_OUT_UNMUTE		0xb000
459 #define AMP_OUT_ZERO		0xb000
460 /* pinctl values */
461 #define PIN_IN			(AC_PINCTL_IN_EN)
462 #define PIN_VREFHIZ		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
463 #define PIN_VREF50		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
464 #define PIN_VREFGRD		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
465 #define PIN_VREF80		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
466 #define PIN_VREF100		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
467 #define PIN_OUT			(AC_PINCTL_OUT_EN)
468 #define PIN_HP			(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
469 #define PIN_HP_AMP		(AC_PINCTL_HP_EN)
470 
471 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin);
472 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
473 				     hda_nid_t pin, unsigned int val);
474 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
475 			 unsigned int val, bool cached);
476 
477 /**
478  * _snd_hda_set_pin_ctl - Set a pin-control value safely
479  * @codec: the codec instance
480  * @pin: the pin NID to set the control
481  * @val: the pin-control value (AC_PINCTL_* bits)
482  *
483  * This function sets the pin-control value to the given pin, but
484  * filters out the invalid pin-control bits when the pin has no such
485  * capabilities.  For example, when PIN_HP is passed but the pin has no
486  * HP-drive capability, the HP bit is omitted.
487  *
488  * The function doesn't check the input VREF capability bits, though.
489  * Use snd_hda_get_default_vref() to guess the right value.
490  * Also, this function is only for analog pins, not for HDMI pins.
491  */
492 static inline int
493 snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val)
494 {
495 	return _snd_hda_set_pin_ctl(codec, pin, val, false);
496 }
497 
498 /**
499  * snd_hda_set_pin_ctl_cache - Set a pin-control value safely
500  * @codec: the codec instance
501  * @pin: the pin NID to set the control
502  * @val: the pin-control value (AC_PINCTL_* bits)
503  *
504  * Just like snd_hda_set_pin_ctl() but write to cache as well.
505  */
506 static inline int
507 snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin,
508 			  unsigned int val)
509 {
510 	return _snd_hda_set_pin_ctl(codec, pin, val, true);
511 }
512 
513 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid);
514 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
515 				 unsigned int val);
516 
517 #define for_each_hda_codec_node(nid, codec) \
518 	for ((nid) = (codec)->core.start_nid; (nid) < (codec)->core.end_nid; (nid)++)
519 
520 /*
521  * get widget capabilities
522  */
523 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
524 {
525 	if (nid < codec->core.start_nid ||
526 	    nid >= codec->core.start_nid + codec->core.num_nodes)
527 		return 0;
528 	return codec->wcaps[nid - codec->core.start_nid];
529 }
530 
531 /* get the widget type from widget capability bits */
532 static inline int get_wcaps_type(unsigned int wcaps)
533 {
534 	if (!wcaps)
535 		return -1; /* invalid type */
536 	return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
537 }
538 
539 static inline unsigned int get_wcaps_channels(u32 wcaps)
540 {
541 	unsigned int chans;
542 
543 	chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
544 	chans = ((chans << 1) | 1) + 1;
545 
546 	return chans;
547 }
548 
549 static inline void snd_hda_override_wcaps(struct hda_codec *codec,
550 					  hda_nid_t nid, u32 val)
551 {
552 	if (nid >= codec->core.start_nid &&
553 	    nid < codec->core.start_nid + codec->core.num_nodes)
554 		codec->wcaps[nid - codec->core.start_nid] = val;
555 }
556 
557 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
558 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
559 			      unsigned int caps);
560 /**
561  * snd_hda_query_pin_caps - Query PIN capabilities
562  * @codec: the HD-auio codec
563  * @nid: the NID to query
564  *
565  * Query PIN capabilities for the given widget.
566  * Returns the obtained capability bits.
567  *
568  * When cap bits have been already read, this doesn't read again but
569  * returns the cached value.
570  */
571 static inline u32
572 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
573 {
574 	return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
575 
576 }
577 
578 /**
579  * snd_hda_override_pin_caps - Override the pin capabilities
580  * @codec: the CODEC
581  * @nid: the NID to override
582  * @caps: the capability bits to set
583  *
584  * Override the cached PIN capabilitiy bits value by the given one.
585  *
586  * Returns zero if successful or a negative error code.
587  */
588 static inline int
589 snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
590 			  unsigned int caps)
591 {
592 	return snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, caps);
593 }
594 
595 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
596 			   int dir, unsigned int bits);
597 
598 #define nid_has_mute(codec, nid, dir) \
599 	snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
600 #define nid_has_volume(codec, nid, dir) \
601 	snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
602 
603 
604 /* flags for hda_nid_item */
605 #define HDA_NID_ITEM_AMP	(1<<0)
606 
607 struct hda_nid_item {
608 	struct snd_kcontrol *kctl;
609 	unsigned int index;
610 	hda_nid_t nid;
611 	unsigned short flags;
612 };
613 
614 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
615 		    struct snd_kcontrol *kctl);
616 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
617 		    unsigned int index, hda_nid_t nid);
618 void snd_hda_ctls_clear(struct hda_codec *codec);
619 
620 /*
621  * hwdep interface
622  */
623 #ifdef CONFIG_SND_HDA_HWDEP
624 int snd_hda_create_hwdep(struct hda_codec *codec);
625 #else
626 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
627 #endif
628 
629 void snd_hda_sysfs_init(struct hda_codec *codec);
630 void snd_hda_sysfs_clear(struct hda_codec *codec);
631 
632 extern const struct attribute_group *snd_hda_dev_attr_groups[];
633 
634 #ifdef CONFIG_SND_HDA_RECONFIG
635 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
636 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
637 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp);
638 #else
639 static inline
640 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
641 {
642 	return NULL;
643 }
644 
645 static inline
646 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
647 {
648 	return -ENOENT;
649 }
650 
651 static inline
652 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp)
653 {
654 	return -ENOENT;
655 }
656 #endif
657 
658 /*
659  * power-management
660  */
661 
662 void snd_hda_schedule_power_save(struct hda_codec *codec);
663 
664 struct hda_amp_list {
665 	hda_nid_t nid;
666 	unsigned char dir;
667 	unsigned char idx;
668 };
669 
670 struct hda_loopback_check {
671 	const struct hda_amp_list *amplist;
672 	int power_on;
673 };
674 
675 int snd_hda_check_amp_list_power(struct hda_codec *codec,
676 				 struct hda_loopback_check *check,
677 				 hda_nid_t nid);
678 
679 /* check whether the actual power state matches with the target state */
680 static inline bool
681 snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid,
682 			  unsigned int target_state)
683 {
684 	unsigned int state = snd_hda_codec_read(codec, nid, 0,
685 						AC_VERB_GET_POWER_STATE, 0);
686 	if (state & AC_PWRST_ERROR)
687 		return true;
688 	state = (state >> 4) & 0x0f;
689 	return (state == target_state);
690 }
691 
692 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
693 					     hda_nid_t nid,
694 					     unsigned int power_state);
695 
696 /*
697  * AMP control callbacks
698  */
699 /* retrieve parameters from private_value */
700 #define get_amp_nid_(pv)	((pv) & 0xffff)
701 #define get_amp_nid(kc)		get_amp_nid_((kc)->private_value)
702 #define get_amp_channels(kc)	(((kc)->private_value >> 16) & 0x3)
703 #define get_amp_direction_(pv)	(((pv) >> 18) & 0x1)
704 #define get_amp_direction(kc)	get_amp_direction_((kc)->private_value)
705 #define get_amp_index_(pv)	(((pv) >> 19) & 0xf)
706 #define get_amp_index(kc)	get_amp_index_((kc)->private_value)
707 #define get_amp_offset(kc)	(((kc)->private_value >> 23) & 0x3f)
708 #define get_amp_min_mute(kc)	(((kc)->private_value >> 29) & 0x1)
709 
710 /*
711  * enum control helper
712  */
713 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
714 			     struct snd_ctl_elem_info *uinfo,
715 			     int num_entries, const char * const *texts);
716 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \
717 	snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL)
718 
719 /*
720  * CEA Short Audio Descriptor data
721  */
722 struct cea_sad {
723 	int	channels;
724 	int	format;		/* (format == 0) indicates invalid SAD */
725 	int	rates;
726 	int	sample_bits;	/* for LPCM */
727 	int	max_bitrate;	/* for AC3...ATRAC */
728 	int	profile;	/* for WMAPRO */
729 };
730 
731 #define ELD_FIXED_BYTES	20
732 #define ELD_MAX_SIZE    256
733 #define ELD_MAX_MNL	16
734 #define ELD_MAX_SAD	16
735 
736 /*
737  * ELD: EDID Like Data
738  */
739 struct parsed_hdmi_eld {
740 	/*
741 	 * all fields will be cleared before updating ELD
742 	 */
743 	int	baseline_len;
744 	int	eld_ver;
745 	int	cea_edid_ver;
746 	char	monitor_name[ELD_MAX_MNL + 1];
747 	int	manufacture_id;
748 	int	product_id;
749 	u64	port_id;
750 	int	support_hdcp;
751 	int	support_ai;
752 	int	conn_type;
753 	int	aud_synch_delay;
754 	int	spk_alloc;
755 	int	sad_count;
756 	struct cea_sad sad[ELD_MAX_SAD];
757 };
758 
759 struct hdmi_eld {
760 	bool	monitor_present;
761 	bool	eld_valid;
762 	int	eld_size;
763 	char    eld_buffer[ELD_MAX_SIZE];
764 	struct parsed_hdmi_eld info;
765 };
766 
767 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
768 int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid,
769 		     unsigned char *buf, int *eld_size);
770 int snd_hdmi_parse_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e,
771 		       const unsigned char *buf, int size);
772 void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e);
773 void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e,
774 			      struct hda_pcm_stream *hinfo);
775 
776 int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid,
777 			 unsigned char *buf, int *eld_size,
778 			 bool rev3_or_later);
779 
780 #ifdef CONFIG_SND_PROC_FS
781 void snd_hdmi_print_eld_info(struct hdmi_eld *eld,
782 			     struct snd_info_buffer *buffer);
783 void snd_hdmi_write_eld_info(struct hdmi_eld *eld,
784 			     struct snd_info_buffer *buffer);
785 #endif
786 
787 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
788 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
789 
790 /*
791  */
792 #define codec_err(codec, fmt, args...) \
793 	dev_err(hda_codec_dev(codec), fmt, ##args)
794 #define codec_warn(codec, fmt, args...) \
795 	dev_warn(hda_codec_dev(codec), fmt, ##args)
796 #define codec_info(codec, fmt, args...) \
797 	dev_info(hda_codec_dev(codec), fmt, ##args)
798 #define codec_dbg(codec, fmt, args...) \
799 	dev_dbg(hda_codec_dev(codec), fmt, ##args)
800 
801 #endif /* __SOUND_HDA_LOCAL_H */
802