xref: /openbmc/linux/sound/pci/hda/hda_local.h (revision 2fa22c3c)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Universal Interface for Intel High Definition Audio Codec
4  *
5  * Local helper functions
6  *
7  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
8  */
9 
10 #ifndef __SOUND_HDA_LOCAL_H
11 #define __SOUND_HDA_LOCAL_H
12 
13 /* We abuse kcontrol_new.subdev field to pass the NID corresponding to
14  * the given new control.  If id.subdev has a bit flag HDA_SUBDEV_NID_FLAG,
15  * snd_hda_ctl_add() takes the lower-bit subdev value as a valid NID.
16  *
17  * Note that the subdevice field is cleared again before the real registration
18  * in snd_hda_ctl_add(), so that this value won't appear in the outside.
19  */
20 #define HDA_SUBDEV_NID_FLAG	(1U << 31)
21 #define HDA_SUBDEV_AMP_FLAG	(1U << 30)
22 
23 /*
24  * for mixer controls
25  */
26 #define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs)		\
27 	((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23))
28 #define HDA_AMP_VAL_MIN_MUTE (1<<29)
29 #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \
30 	HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0)
31 /* mono volume with index (index=0,1,...) (channel=1,2) */
32 #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, dir, flags) \
33 	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx,  \
34 	  .subdevice = HDA_SUBDEV_AMP_FLAG, \
35 	  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
36 	  	    SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
37 	  	    SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
38 	  .info = snd_hda_mixer_amp_volume_info, \
39 	  .get = snd_hda_mixer_amp_volume_get, \
40 	  .put = snd_hda_mixer_amp_volume_put, \
41 	  .tlv = { .c = snd_hda_mixer_amp_tlv },		\
42 	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, dir) | flags }
43 /* stereo volume with index */
44 #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
45 	HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction, 0)
46 /* mono volume */
47 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
48 	HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction, 0)
49 /* stereo volume */
50 #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
51 	HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
52 /* stereo volume with min=mute */
53 #define HDA_CODEC_VOLUME_MIN_MUTE(xname, nid, xindex, direction) \
54 	HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, 3, xindex, direction, \
55 				  HDA_AMP_VAL_MIN_MUTE)
56 /* mono mute switch with index (index=0,1,...) (channel=1,2) */
57 #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
58 	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
59 	  .subdevice = HDA_SUBDEV_AMP_FLAG, \
60 	  .info = snd_hda_mixer_amp_switch_info, \
61 	  .get = snd_hda_mixer_amp_switch_get, \
62 	  .put = snd_hda_mixer_amp_switch_put, \
63 	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
64 /* stereo mute switch with index */
65 #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
66 	HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
67 /* mono mute switch */
68 #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
69 	HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
70 /* stereo mute switch */
71 #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
72 	HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
73 #ifdef CONFIG_SND_HDA_INPUT_BEEP
74 /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */
75 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
76 	{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
77 	  .subdevice = HDA_SUBDEV_AMP_FLAG, \
78 	  .info = snd_hda_mixer_amp_switch_info, \
79 	  .get = snd_hda_mixer_amp_switch_get_beep, \
80 	  .put = snd_hda_mixer_amp_switch_put_beep, \
81 	  .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
82 #else
83 /* no digital beep - just the standard one */
84 #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \
85 	HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir)
86 #endif /* CONFIG_SND_HDA_INPUT_BEEP */
87 /* special beep mono mute switch */
88 #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \
89 	HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction)
90 /* special beep stereo mute switch */
91 #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \
92 	HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction)
93 
94 extern const char *snd_hda_pcm_type_name[];
95 
96 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
97 				  struct snd_ctl_elem_info *uinfo);
98 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
99 				 struct snd_ctl_elem_value *ucontrol);
100 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
101 				 struct snd_ctl_elem_value *ucontrol);
102 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
103 			  unsigned int size, unsigned int __user *_tlv);
104 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
105 				  struct snd_ctl_elem_info *uinfo);
106 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
107 				 struct snd_ctl_elem_value *ucontrol);
108 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
109 				 struct snd_ctl_elem_value *ucontrol);
110 #ifdef CONFIG_SND_HDA_INPUT_BEEP
111 int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol,
112 				      struct snd_ctl_elem_value *ucontrol);
113 int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol,
114 				      struct snd_ctl_elem_value *ucontrol);
115 #endif
116 /* lowlevel accessor with caching; use carefully */
117 #define snd_hda_codec_amp_read(codec, nid, ch, dir, idx) \
118 	snd_hdac_regmap_get_amp(&(codec)->core, nid, ch, dir, idx)
119 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
120 			     int ch, int dir, int idx, int mask, int val);
121 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
122 			     int direction, int idx, int mask, int val);
123 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
124 			   int direction, int idx, int mask, int val);
125 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
126 				  int dir, int idx, int mask, int val);
127 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
128 			     unsigned int *tlv);
129 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
130 					    const char *name);
131 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
132 			  unsigned int *tlv, const char * const *followers,
133 			  const char *suffix, bool init_follower_vol,
134 			  unsigned int access, struct snd_kcontrol **ctl_ret);
135 #define snd_hda_add_vmaster(codec, name, tlv, followers, suffix, access) \
136 	__snd_hda_add_vmaster(codec, name, tlv, followers, suffix, true, access, NULL)
137 int snd_hda_codec_reset(struct hda_codec *codec);
138 void snd_hda_codec_disconnect_pcms(struct hda_codec *codec);
139 
140 #define snd_hda_regmap_sync(codec)	snd_hdac_regmap_sync(&(codec)->core)
141 
142 struct hda_vmaster_mute_hook {
143 	/* below two fields must be filled by the caller of
144 	 * snd_hda_add_vmaster_hook() beforehand
145 	 */
146 	struct snd_kcontrol *sw_kctl;
147 	void (*hook)(void *, int);
148 	/* below are initialized automatically */
149 	struct hda_codec *codec;
150 };
151 
152 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
153 			     struct hda_vmaster_mute_hook *hook);
154 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook);
155 
156 /* amp value bits */
157 #define HDA_AMP_MUTE	0x80
158 #define HDA_AMP_UNMUTE	0x00
159 #define HDA_AMP_VOLMASK	0x7f
160 
161 /*
162  * SPDIF I/O
163  */
164 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
165 				hda_nid_t associated_nid,
166 				hda_nid_t cvt_nid, int type);
167 #define snd_hda_create_spdif_out_ctls(codec, anid, cnid) \
168 	snd_hda_create_dig_out_ctls(codec, anid, cnid, HDA_PCM_TYPE_SPDIF)
169 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
170 
171 /*
172  * input MUX helper
173  */
174 #define HDA_MAX_NUM_INPUTS	36
175 struct hda_input_mux_item {
176 	char label[32];
177 	unsigned int index;
178 };
179 struct hda_input_mux {
180 	unsigned int num_items;
181 	struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
182 };
183 
184 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
185 			   struct snd_ctl_elem_info *uinfo);
186 int snd_hda_input_mux_put(struct hda_codec *codec,
187 			  const struct hda_input_mux *imux,
188 			  struct snd_ctl_elem_value *ucontrol, hda_nid_t nid,
189 			  unsigned int *cur_val);
190 int snd_hda_add_imux_item(struct hda_codec *codec,
191 			  struct hda_input_mux *imux, const char *label,
192 			  int index, int *type_idx);
193 
194 /*
195  * Multi-channel / digital-out PCM helper
196  */
197 
198 enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
199 enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
200 
201 #define HDA_MAX_OUTS	5
202 
203 struct hda_multi_out {
204 	int num_dacs;		/* # of DACs, must be more than 1 */
205 	const hda_nid_t *dac_nids;	/* DAC list */
206 	hda_nid_t hp_nid;	/* optional DAC for HP, 0 when not exists */
207 	hda_nid_t hp_out_nid[HDA_MAX_OUTS];	/* DACs for multiple HPs */
208 	hda_nid_t extra_out_nid[HDA_MAX_OUTS];	/* other (e.g. speaker) DACs */
209 	hda_nid_t dig_out_nid;	/* digital out audio widget */
210 	const hda_nid_t *follower_dig_outs;
211 	int max_channels;	/* currently supported analog channels */
212 	int dig_out_used;	/* current usage of digital out (HDA_DIG_XXX) */
213 	int no_share_stream;	/* don't share a stream with multiple pins */
214 	int share_spdif;	/* share SPDIF pin */
215 	/* PCM information for both analog and SPDIF DACs */
216 	unsigned int analog_rates;
217 	unsigned int analog_maxbps;
218 	u64 analog_formats;
219 	unsigned int spdif_rates;
220 	unsigned int spdif_maxbps;
221 	u64 spdif_formats;
222 };
223 
224 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
225 				  struct hda_multi_out *mout);
226 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
227 			       struct hda_multi_out *mout);
228 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
229 				struct hda_multi_out *mout);
230 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
231 				  struct hda_multi_out *mout,
232 				  unsigned int stream_tag,
233 				  unsigned int format,
234 				  struct snd_pcm_substream *substream);
235 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
236 				  struct hda_multi_out *mout);
237 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
238 				  struct hda_multi_out *mout,
239 				  struct snd_pcm_substream *substream,
240 				  struct hda_pcm_stream *hinfo);
241 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
242 				     struct hda_multi_out *mout,
243 				     unsigned int stream_tag,
244 				     unsigned int format,
245 				     struct snd_pcm_substream *substream);
246 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
247 				     struct hda_multi_out *mout);
248 
249 /*
250  * generic proc interface
251  */
252 #ifdef CONFIG_SND_PROC_FS
253 int snd_hda_codec_proc_new(struct hda_codec *codec);
254 #else
snd_hda_codec_proc_new(struct hda_codec * codec)255 static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
256 #endif
257 
258 #define SND_PRINT_BITS_ADVISED_BUFSIZE	16
259 void snd_print_pcm_bits(int pcm, char *buf, int buflen);
260 
261 /*
262  * Misc
263  */
264 int snd_hda_add_new_ctls(struct hda_codec *codec,
265 			 const struct snd_kcontrol_new *knew);
266 
267 /*
268  * Fix-up pin default configurations and add default verbs
269  */
270 
271 struct hda_pintbl {
272 	hda_nid_t nid;
273 	u32 val;
274 };
275 
276 struct hda_model_fixup {
277 	const int id;
278 	const char *name;
279 };
280 
281 struct hda_fixup {
282 	int type;
283 	bool chained:1;		/* call the chained fixup(s) after this */
284 	bool chained_before:1;	/* call the chained fixup(s) before this */
285 	int chain_id;
286 	union {
287 		const struct hda_pintbl *pins;
288 		const struct hda_verb *verbs;
289 		void (*func)(struct hda_codec *codec,
290 			     const struct hda_fixup *fix,
291 			     int action);
292 	} v;
293 };
294 
295 struct snd_hda_pin_quirk {
296 	unsigned int codec;             /* Codec vendor/device ID */
297 	unsigned short subvendor;	/* PCI subvendor ID */
298 	const struct hda_pintbl *pins;  /* list of matching pins */
299 #ifdef CONFIG_SND_DEBUG_VERBOSE
300 	const char *name;
301 #endif
302 	int value;			/* quirk value */
303 };
304 
305 #ifdef CONFIG_SND_DEBUG_VERBOSE
306 
307 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
308 	{ .codec = _codec,\
309 	  .subvendor = _subvendor,\
310 	  .name = _name,\
311 	  .value = _value,\
312 	  .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
313 	}
314 #else
315 
316 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
317 	{ .codec = _codec,\
318 	  .subvendor = _subvendor,\
319 	  .value = _value,\
320 	  .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
321 	}
322 
323 #endif
324 
325 #define HDA_FIXUP_ID_NOT_SET -1
326 #define HDA_FIXUP_ID_NO_FIXUP -2
327 
328 /* fixup types */
329 enum {
330 	HDA_FIXUP_INVALID,
331 	HDA_FIXUP_PINS,
332 	HDA_FIXUP_VERBS,
333 	HDA_FIXUP_FUNC,
334 	HDA_FIXUP_PINCTLS,
335 };
336 
337 /* fixup action definitions */
338 enum {
339 	HDA_FIXUP_ACT_PRE_PROBE,
340 	HDA_FIXUP_ACT_PROBE,
341 	HDA_FIXUP_ACT_INIT,
342 	HDA_FIXUP_ACT_BUILD,
343 	HDA_FIXUP_ACT_FREE,
344 };
345 
346 int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list);
347 void snd_hda_apply_verbs(struct hda_codec *codec);
348 void snd_hda_apply_pincfgs(struct hda_codec *codec,
349 			   const struct hda_pintbl *cfg);
350 void snd_hda_apply_fixup(struct hda_codec *codec, int action);
351 void __snd_hda_apply_fixup(struct hda_codec *codec, int id, int action, int depth);
352 void snd_hda_pick_fixup(struct hda_codec *codec,
353 			const struct hda_model_fixup *models,
354 			const struct snd_pci_quirk *quirk,
355 			const struct hda_fixup *fixlist);
356 void snd_hda_pick_pin_fixup(struct hda_codec *codec,
357 			    const struct snd_hda_pin_quirk *pin_quirk,
358 			    const struct hda_fixup *fixlist,
359 			    bool match_all_pins);
360 
361 /* helper macros to retrieve pin default-config values */
362 #define get_defcfg_connect(cfg) \
363 	((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
364 #define get_defcfg_association(cfg) \
365 	((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
366 #define get_defcfg_location(cfg) \
367 	((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
368 #define get_defcfg_sequence(cfg) \
369 	(cfg & AC_DEFCFG_SEQUENCE)
370 #define get_defcfg_device(cfg) \
371 	((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
372 #define get_defcfg_misc(cfg) \
373 	((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT)
374 
375 /* amp values */
376 #define AMP_IN_MUTE(idx)	(0x7080 | ((idx)<<8))
377 #define AMP_IN_UNMUTE(idx)	(0x7000 | ((idx)<<8))
378 #define AMP_OUT_MUTE		0xb080
379 #define AMP_OUT_UNMUTE		0xb000
380 #define AMP_OUT_ZERO		0xb000
381 /* pinctl values */
382 #define PIN_IN			(AC_PINCTL_IN_EN)
383 #define PIN_VREFHIZ		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
384 #define PIN_VREF50		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
385 #define PIN_VREFGRD		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
386 #define PIN_VREF80		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
387 #define PIN_VREF100		(AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
388 #define PIN_OUT			(AC_PINCTL_OUT_EN)
389 #define PIN_HP			(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
390 #define PIN_HP_AMP		(AC_PINCTL_HP_EN)
391 
392 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin);
393 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
394 				     hda_nid_t pin, unsigned int val);
395 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
396 			 unsigned int val, bool cached);
397 
398 /**
399  * _snd_hda_set_pin_ctl - Set a pin-control value safely
400  * @codec: the codec instance
401  * @pin: the pin NID to set the control
402  * @val: the pin-control value (AC_PINCTL_* bits)
403  *
404  * This function sets the pin-control value to the given pin, but
405  * filters out the invalid pin-control bits when the pin has no such
406  * capabilities.  For example, when PIN_HP is passed but the pin has no
407  * HP-drive capability, the HP bit is omitted.
408  *
409  * The function doesn't check the input VREF capability bits, though.
410  * Use snd_hda_get_default_vref() to guess the right value.
411  * Also, this function is only for analog pins, not for HDMI pins.
412  */
413 static inline int
snd_hda_set_pin_ctl(struct hda_codec * codec,hda_nid_t pin,unsigned int val)414 snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val)
415 {
416 	return _snd_hda_set_pin_ctl(codec, pin, val, false);
417 }
418 
419 /**
420  * snd_hda_set_pin_ctl_cache - Set a pin-control value safely
421  * @codec: the codec instance
422  * @pin: the pin NID to set the control
423  * @val: the pin-control value (AC_PINCTL_* bits)
424  *
425  * Just like snd_hda_set_pin_ctl() but write to cache as well.
426  */
427 static inline int
snd_hda_set_pin_ctl_cache(struct hda_codec * codec,hda_nid_t pin,unsigned int val)428 snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin,
429 			  unsigned int val)
430 {
431 	return _snd_hda_set_pin_ctl(codec, pin, val, true);
432 }
433 
434 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid);
435 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
436 				 unsigned int val);
437 
438 #define for_each_hda_codec_node(nid, codec) \
439 	for ((nid) = (codec)->core.start_nid; (nid) < (codec)->core.end_nid; (nid)++)
440 
441 /* Set the codec power_state flag to indicate to allow unsol event handling;
442  * see hda_codec_unsol_event() in hda_bind.c.  Calling this might confuse the
443  * state tracking, so use with care.
444  */
snd_hda_codec_allow_unsol_events(struct hda_codec * codec)445 static inline void snd_hda_codec_allow_unsol_events(struct hda_codec *codec)
446 {
447 	codec->core.dev.power.power_state = PMSG_ON;
448 }
449 
450 /*
451  * get widget capabilities
452  */
get_wcaps(struct hda_codec * codec,hda_nid_t nid)453 static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
454 {
455 	if (nid < codec->core.start_nid ||
456 	    nid >= codec->core.start_nid + codec->core.num_nodes)
457 		return 0;
458 	return codec->wcaps[nid - codec->core.start_nid];
459 }
460 
461 /* get the widget type from widget capability bits */
get_wcaps_type(unsigned int wcaps)462 static inline int get_wcaps_type(unsigned int wcaps)
463 {
464 	if (!wcaps)
465 		return -1; /* invalid type */
466 	return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
467 }
468 
get_wcaps_channels(u32 wcaps)469 static inline unsigned int get_wcaps_channels(u32 wcaps)
470 {
471 	unsigned int chans;
472 
473 	chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
474 	chans = ((chans << 1) | 1) + 1;
475 
476 	return chans;
477 }
478 
snd_hda_override_wcaps(struct hda_codec * codec,hda_nid_t nid,u32 val)479 static inline void snd_hda_override_wcaps(struct hda_codec *codec,
480 					  hda_nid_t nid, u32 val)
481 {
482 	if (nid >= codec->core.start_nid &&
483 	    nid < codec->core.start_nid + codec->core.num_nodes)
484 		codec->wcaps[nid - codec->core.start_nid] = val;
485 }
486 
487 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction);
488 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
489 			      unsigned int caps);
490 /**
491  * snd_hda_query_pin_caps - Query PIN capabilities
492  * @codec: the HD-auio codec
493  * @nid: the NID to query
494  *
495  * Query PIN capabilities for the given widget.
496  * Returns the obtained capability bits.
497  *
498  * When cap bits have been already read, this doesn't read again but
499  * returns the cached value.
500  */
501 static inline u32
snd_hda_query_pin_caps(struct hda_codec * codec,hda_nid_t nid)502 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
503 {
504 	return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
505 
506 }
507 
508 /**
509  * snd_hda_override_pin_caps - Override the pin capabilities
510  * @codec: the CODEC
511  * @nid: the NID to override
512  * @caps: the capability bits to set
513  *
514  * Override the cached PIN capabilitiy bits value by the given one.
515  *
516  * Returns zero if successful or a negative error code.
517  */
518 static inline int
snd_hda_override_pin_caps(struct hda_codec * codec,hda_nid_t nid,unsigned int caps)519 snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
520 			  unsigned int caps)
521 {
522 	return snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, caps);
523 }
524 
525 bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
526 			   int dir, unsigned int bits);
527 
528 #define nid_has_mute(codec, nid, dir) \
529 	snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
530 #define nid_has_volume(codec, nid, dir) \
531 	snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
532 
533 
534 /* flags for hda_nid_item */
535 #define HDA_NID_ITEM_AMP	(1<<0)
536 
537 struct hda_nid_item {
538 	struct snd_kcontrol *kctl;
539 	unsigned int index;
540 	hda_nid_t nid;
541 	unsigned short flags;
542 };
543 
544 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
545 		    struct snd_kcontrol *kctl);
546 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
547 		    unsigned int index, hda_nid_t nid);
548 void snd_hda_ctls_clear(struct hda_codec *codec);
549 
550 /*
551  * hwdep interface
552  */
553 #ifdef CONFIG_SND_HDA_HWDEP
554 int snd_hda_create_hwdep(struct hda_codec *codec);
555 #else
snd_hda_create_hwdep(struct hda_codec * codec)556 static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; }
557 #endif
558 
559 void snd_hda_sysfs_init(struct hda_codec *codec);
560 void snd_hda_sysfs_clear(struct hda_codec *codec);
561 
562 extern const struct attribute_group *snd_hda_dev_attr_groups[];
563 
564 #ifdef CONFIG_SND_HDA_RECONFIG
565 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
566 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
567 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp);
568 #else
569 static inline
snd_hda_get_hint(struct hda_codec * codec,const char * key)570 const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
571 {
572 	return NULL;
573 }
574 
575 static inline
snd_hda_get_bool_hint(struct hda_codec * codec,const char * key)576 int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
577 {
578 	return -ENOENT;
579 }
580 
581 static inline
snd_hda_get_int_hint(struct hda_codec * codec,const char * key,int * valp)582 int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp)
583 {
584 	return -ENOENT;
585 }
586 #endif
587 
588 /*
589  * power-management
590  */
591 
592 void snd_hda_schedule_power_save(struct hda_codec *codec);
593 
594 struct hda_amp_list {
595 	hda_nid_t nid;
596 	unsigned char dir;
597 	unsigned char idx;
598 };
599 
600 struct hda_loopback_check {
601 	const struct hda_amp_list *amplist;
602 	int power_on;
603 };
604 
605 int snd_hda_check_amp_list_power(struct hda_codec *codec,
606 				 struct hda_loopback_check *check,
607 				 hda_nid_t nid);
608 
609 /* check whether the actual power state matches with the target state */
610 static inline bool
snd_hda_check_power_state(struct hda_codec * codec,hda_nid_t nid,unsigned int target_state)611 snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid,
612 			  unsigned int target_state)
613 {
614 	return snd_hdac_check_power_state(&codec->core, nid, target_state);
615 }
616 
snd_hda_sync_power_state(struct hda_codec * codec,hda_nid_t nid,unsigned int target_state)617 static inline unsigned int snd_hda_sync_power_state(struct hda_codec *codec,
618 						    hda_nid_t nid,
619 						    unsigned int target_state)
620 {
621 	return snd_hdac_sync_power_state(&codec->core, nid, target_state);
622 }
623 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
624 					     hda_nid_t nid,
625 					     unsigned int power_state);
626 
627 void snd_hda_codec_shutdown(struct hda_codec *codec);
628 
629 /*
630  * AMP control callbacks
631  */
632 /* retrieve parameters from private_value */
633 #define get_amp_nid_(pv)	((pv) & 0xffff)
634 #define get_amp_nid(kc)		get_amp_nid_((kc)->private_value)
635 #define get_amp_channels(kc)	(((kc)->private_value >> 16) & 0x3)
636 #define get_amp_direction_(pv)	(((pv) >> 18) & 0x1)
637 #define get_amp_direction(kc)	get_amp_direction_((kc)->private_value)
638 #define get_amp_index_(pv)	(((pv) >> 19) & 0xf)
639 #define get_amp_index(kc)	get_amp_index_((kc)->private_value)
640 #define get_amp_offset(kc)	(((kc)->private_value >> 23) & 0x3f)
641 #define get_amp_min_mute(kc)	(((kc)->private_value >> 29) & 0x1)
642 
643 /*
644  * enum control helper
645  */
646 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
647 			     struct snd_ctl_elem_info *uinfo,
648 			     int num_items, const char * const *texts);
649 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \
650 	snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL)
651 
652 /*
653  * CEA Short Audio Descriptor data
654  */
655 struct cea_sad {
656 	int	channels;
657 	int	format;		/* (format == 0) indicates invalid SAD */
658 	int	rates;
659 	int	sample_bits;	/* for LPCM */
660 	int	max_bitrate;	/* for AC3...ATRAC */
661 	int	profile;	/* for WMAPRO */
662 };
663 
664 #define ELD_FIXED_BYTES	20
665 #define ELD_MAX_SIZE    256
666 #define ELD_MAX_MNL	16
667 #define ELD_MAX_SAD	16
668 
669 /*
670  * ELD: EDID Like Data
671  */
672 struct parsed_hdmi_eld {
673 	/*
674 	 * all fields will be cleared before updating ELD
675 	 */
676 	int	baseline_len;
677 	int	eld_ver;
678 	int	cea_edid_ver;
679 	char	monitor_name[ELD_MAX_MNL + 1];
680 	int	manufacture_id;
681 	int	product_id;
682 	u64	port_id;
683 	int	support_hdcp;
684 	int	support_ai;
685 	int	conn_type;
686 	int	aud_synch_delay;
687 	int	spk_alloc;
688 	int	sad_count;
689 	struct cea_sad sad[ELD_MAX_SAD];
690 };
691 
692 struct hdmi_eld {
693 	bool	monitor_present;
694 	bool	eld_valid;
695 	int	eld_size;
696 	char    eld_buffer[ELD_MAX_SIZE];
697 	struct parsed_hdmi_eld info;
698 };
699 
700 int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
701 int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid,
702 		     unsigned char *buf, int *eld_size);
703 int snd_hdmi_parse_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e,
704 		       const unsigned char *buf, int size);
705 void snd_hdmi_show_eld(struct hda_codec *codec, struct parsed_hdmi_eld *e);
706 void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e,
707 			      struct hda_pcm_stream *hinfo);
708 
709 int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid,
710 			 unsigned char *buf, int *eld_size,
711 			 bool rev3_or_later);
712 
713 #ifdef CONFIG_SND_PROC_FS
714 void snd_hdmi_print_eld_info(struct hdmi_eld *eld,
715 			     struct snd_info_buffer *buffer,
716 			     hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid);
717 void snd_hdmi_write_eld_info(struct hdmi_eld *eld,
718 			     struct snd_info_buffer *buffer);
719 #endif
720 
721 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
722 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen);
723 
724 void snd_hda_codec_display_power(struct hda_codec *codec, bool enable);
725 
726 /*
727  */
728 #define codec_err(codec, fmt, args...) \
729 	dev_err(hda_codec_dev(codec), fmt, ##args)
730 #define codec_warn(codec, fmt, args...) \
731 	dev_warn(hda_codec_dev(codec), fmt, ##args)
732 #define codec_info(codec, fmt, args...) \
733 	dev_info(hda_codec_dev(codec), fmt, ##args)
734 #define codec_dbg(codec, fmt, args...) \
735 	dev_dbg(hda_codec_dev(codec), fmt, ##args)
736 
737 #endif /* __SOUND_HDA_LOCAL_H */
738