1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Universal Interface for Intel High Definition Audio Codec
5 * Local helper functions
7 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
10 #ifndef __SOUND_HDA_LOCAL_H
11 #define __SOUND_HDA_LOCAL_H
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.
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.
20 #define HDA_SUBDEV_NID_FLAG (1U << 31)
21 #define HDA_SUBDEV_AMP_FLAG (1U << 30)
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)
47 #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
48 HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction, 0)
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, \
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) }
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)
94 extern const char *snd_hda_pcm_type_name
[];
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
);
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
,
129 struct snd_kcontrol
*snd_hda_find_mixer_ctl(struct hda_codec
*codec
,
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
);
140 #define snd_hda_regmap_sync(codec) snd_hdac_regmap_sync(&(codec)->core)
142 struct hda_vmaster_mute_hook
{
143 /* below two fields must be filled by the caller of
144 * snd_hda_add_vmaster_hook() beforehand
146 struct snd_kcontrol
*sw_kctl
;
147 void (*hook
)(void *, int);
148 /* below are initialized automatically */
149 struct hda_codec
*codec
;
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
);
157 #define HDA_AMP_MUTE 0x80
158 #define HDA_AMP_UNMUTE 0x00
159 #define HDA_AMP_VOLMASK 0x7f
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
);
174 #define HDA_MAX_NUM_INPUTS 36
175 struct hda_input_mux_item
{
179 struct hda_input_mux
{
180 unsigned int num_items
;
181 struct hda_input_mux_item items
[HDA_MAX_NUM_INPUTS
];
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
);
195 * Multi-channel / digital-out PCM helper
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 */
201 #define HDA_MAX_OUTS 5
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
;
219 unsigned int spdif_rates
;
220 unsigned int spdif_maxbps
;
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
,
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
,
245 struct snd_pcm_substream
*substream
);
246 int snd_hda_multi_out_analog_cleanup(struct hda_codec
*codec
,
247 struct hda_multi_out
*mout
);
250 * generic proc interface
252 #ifdef CONFIG_SND_PROC_FS
253 int snd_hda_codec_proc_new(struct hda_codec
*codec
);
255 static inline int snd_hda_codec_proc_new(struct hda_codec
*codec
) { return 0; }
258 #define SND_PRINT_BITS_ADVISED_BUFSIZE 16
259 void snd_print_pcm_bits(int pcm
, char *buf
, int buflen
);
264 int snd_hda_add_new_ctls(struct hda_codec
*codec
,
265 const struct snd_kcontrol_new
*knew
);
268 * Fix-up pin default configurations and add default verbs
276 struct hda_model_fixup
{
283 bool chained
:1; /* call the chained fixup(s) after this */
284 bool chained_before
:1; /* call the chained fixup(s) before this */
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
,
296 * extended form of snd_pci_quirk:
297 * for PCI SSID matching, use SND_PCI_QUIRK() like before;
298 * for codec SSID matching, use the new HDA_CODEC_QUIRK() instead
301 unsigned short subvendor
; /* PCI subvendor ID */
302 unsigned short subdevice
; /* PCI subdevice ID */
303 unsigned short subdevice_mask
; /* bitmask to match */
304 bool match_codec_ssid
; /* match only with codec SSID */
305 int value
; /* value */
306 #ifdef CONFIG_SND_DEBUG_VERBOSE
307 const char *name
; /* name of the device (optional) */
311 #ifdef CONFIG_SND_DEBUG_VERBOSE
312 #define HDA_CODEC_QUIRK(vend, dev, xname, val) \
313 { _SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname),\
314 .match_codec_ssid = true }
316 #define HDA_CODEC_QUIRK(vend, dev, xname, val) \
317 { _SND_PCI_QUIRK_ID(vend, dev), .value = (val), \
318 .match_codec_ssid = true }
321 struct snd_hda_pin_quirk
{
322 unsigned int codec
; /* Codec vendor/device ID */
323 unsigned short subvendor
; /* PCI subvendor ID */
324 const struct hda_pintbl
*pins
; /* list of matching pins */
325 #ifdef CONFIG_SND_DEBUG_VERBOSE
328 int value
; /* quirk value */
331 #ifdef CONFIG_SND_DEBUG_VERBOSE
333 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
335 .subvendor = _subvendor,\
338 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
342 #define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
344 .subvendor = _subvendor,\
346 .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
351 #define HDA_FIXUP_ID_NOT_SET -1
352 #define HDA_FIXUP_ID_NO_FIXUP -2
363 /* fixup action definitions */
365 HDA_FIXUP_ACT_PRE_PROBE
,
372 int snd_hda_add_verbs(struct hda_codec
*codec
, const struct hda_verb
*list
);
373 void snd_hda_apply_verbs(struct hda_codec
*codec
);
374 void snd_hda_apply_pincfgs(struct hda_codec
*codec
,
375 const struct hda_pintbl
*cfg
);
376 void snd_hda_apply_fixup(struct hda_codec
*codec
, int action
);
377 void __snd_hda_apply_fixup(struct hda_codec
*codec
, int id
, int action
, int depth
);
378 void snd_hda_pick_fixup(struct hda_codec
*codec
,
379 const struct hda_model_fixup
*models
,
380 const struct hda_quirk
*quirk
,
381 const struct hda_fixup
*fixlist
);
382 void snd_hda_pick_pin_fixup(struct hda_codec
*codec
,
383 const struct snd_hda_pin_quirk
*pin_quirk
,
384 const struct hda_fixup
*fixlist
,
385 bool match_all_pins
);
387 /* helper macros to retrieve pin default-config values */
388 #define get_defcfg_connect(cfg) \
389 ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)
390 #define get_defcfg_association(cfg) \
391 ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT)
392 #define get_defcfg_location(cfg) \
393 ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT)
394 #define get_defcfg_sequence(cfg) \
395 (cfg & AC_DEFCFG_SEQUENCE)
396 #define get_defcfg_device(cfg) \
397 ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT)
398 #define get_defcfg_misc(cfg) \
399 ((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT)
402 #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8))
403 #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8))
404 #define AMP_OUT_MUTE 0xb080
405 #define AMP_OUT_UNMUTE 0xb000
406 #define AMP_OUT_ZERO 0xb000
408 #define PIN_IN (AC_PINCTL_IN_EN)
409 #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ)
410 #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50)
411 #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD)
412 #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80)
413 #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100)
414 #define PIN_OUT (AC_PINCTL_OUT_EN)
415 #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN)
416 #define PIN_HP_AMP (AC_PINCTL_HP_EN)
418 unsigned int snd_hda_get_default_vref(struct hda_codec
*codec
, hda_nid_t pin
);
419 unsigned int snd_hda_correct_pin_ctl(struct hda_codec
*codec
,
420 hda_nid_t pin
, unsigned int val
);
421 int _snd_hda_set_pin_ctl(struct hda_codec
*codec
, hda_nid_t pin
,
422 unsigned int val
, bool cached
);
425 * _snd_hda_set_pin_ctl - Set a pin-control value safely
426 * @codec: the codec instance
427 * @pin: the pin NID to set the control
428 * @val: the pin-control value (AC_PINCTL_* bits)
430 * This function sets the pin-control value to the given pin, but
431 * filters out the invalid pin-control bits when the pin has no such
432 * capabilities. For example, when PIN_HP is passed but the pin has no
433 * HP-drive capability, the HP bit is omitted.
435 * The function doesn't check the input VREF capability bits, though.
436 * Use snd_hda_get_default_vref() to guess the right value.
437 * Also, this function is only for analog pins, not for HDMI pins.
440 snd_hda_set_pin_ctl(struct hda_codec
*codec
, hda_nid_t pin
, unsigned int val
)
442 return _snd_hda_set_pin_ctl(codec
, pin
, val
, false);
446 * snd_hda_set_pin_ctl_cache - Set a pin-control value safely
447 * @codec: the codec instance
448 * @pin: the pin NID to set the control
449 * @val: the pin-control value (AC_PINCTL_* bits)
451 * Just like snd_hda_set_pin_ctl() but write to cache as well.
454 snd_hda_set_pin_ctl_cache(struct hda_codec
*codec
, hda_nid_t pin
,
457 return _snd_hda_set_pin_ctl(codec
, pin
, val
, true);
460 int snd_hda_codec_get_pin_target(struct hda_codec
*codec
, hda_nid_t nid
);
461 int snd_hda_codec_set_pin_target(struct hda_codec
*codec
, hda_nid_t nid
,
464 #define for_each_hda_codec_node(nid, codec) \
465 for ((nid) = (codec)->core.start_nid; (nid) < (codec)->core.end_nid; (nid)++)
467 /* Set the codec power_state flag to indicate to allow unsol event handling;
468 * see hda_codec_unsol_event() in hda_bind.c. Calling this might confuse the
469 * state tracking, so use with care.
471 static inline void snd_hda_codec_allow_unsol_events(struct hda_codec
*codec
)
473 codec
->core
.dev
.power
.power_state
= PMSG_ON
;
477 * get widget capabilities
479 static inline u32
get_wcaps(struct hda_codec
*codec
, hda_nid_t nid
)
481 if (nid
< codec
->core
.start_nid
||
482 nid
>= codec
->core
.start_nid
+ codec
->core
.num_nodes
)
484 return codec
->wcaps
[nid
- codec
->core
.start_nid
];
487 /* get the widget type from widget capability bits */
488 static inline int get_wcaps_type(unsigned int wcaps
)
491 return -1; /* invalid type */
492 return (wcaps
& AC_WCAP_TYPE
) >> AC_WCAP_TYPE_SHIFT
;
495 static inline unsigned int get_wcaps_channels(u32 wcaps
)
499 chans
= (wcaps
& AC_WCAP_CHAN_CNT_EXT
) >> 13;
500 chans
= ((chans
<< 1) | 1) + 1;
505 static inline void snd_hda_override_wcaps(struct hda_codec
*codec
,
506 hda_nid_t nid
, u32 val
)
508 if (nid
>= codec
->core
.start_nid
&&
509 nid
< codec
->core
.start_nid
+ codec
->core
.num_nodes
)
510 codec
->wcaps
[nid
- codec
->core
.start_nid
] = val
;
513 u32
query_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int direction
);
514 int snd_hda_override_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
, int dir
,
517 * snd_hda_query_pin_caps - Query PIN capabilities
518 * @codec: the HD-auio codec
519 * @nid: the NID to query
521 * Query PIN capabilities for the given widget.
522 * Returns the obtained capability bits.
524 * When cap bits have been already read, this doesn't read again but
525 * returns the cached value.
528 snd_hda_query_pin_caps(struct hda_codec
*codec
, hda_nid_t nid
)
530 return snd_hda_param_read(codec
, nid
, AC_PAR_PIN_CAP
);
535 * snd_hda_override_pin_caps - Override the pin capabilities
537 * @nid: the NID to override
538 * @caps: the capability bits to set
540 * Override the cached PIN capabilitiy bits value by the given one.
542 * Returns zero if successful or a negative error code.
545 snd_hda_override_pin_caps(struct hda_codec
*codec
, hda_nid_t nid
,
548 return snd_hdac_override_parm(&codec
->core
, nid
, AC_PAR_PIN_CAP
, caps
);
551 bool snd_hda_check_amp_caps(struct hda_codec
*codec
, hda_nid_t nid
,
552 int dir
, unsigned int bits
);
554 #define nid_has_mute(codec, nid, dir) \
555 snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
556 #define nid_has_volume(codec, nid, dir) \
557 snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
560 /* flags for hda_nid_item */
561 #define HDA_NID_ITEM_AMP (1<<0)
563 struct hda_nid_item
{
564 struct snd_kcontrol
*kctl
;
567 unsigned short flags
;
570 int snd_hda_ctl_add(struct hda_codec
*codec
, hda_nid_t nid
,
571 struct snd_kcontrol
*kctl
);
572 int snd_hda_add_nid(struct hda_codec
*codec
, struct snd_kcontrol
*kctl
,
573 unsigned int index
, hda_nid_t nid
);
574 void snd_hda_ctls_clear(struct hda_codec
*codec
);
579 #ifdef CONFIG_SND_HDA_HWDEP
580 int snd_hda_create_hwdep(struct hda_codec
*codec
);
582 static inline int snd_hda_create_hwdep(struct hda_codec
*codec
) { return 0; }
585 void snd_hda_sysfs_init(struct hda_codec
*codec
);
586 void snd_hda_sysfs_clear(struct hda_codec
*codec
);
588 extern const struct attribute_group
*snd_hda_dev_attr_groups
[];
590 #ifdef CONFIG_SND_HDA_RECONFIG
591 const char *snd_hda_get_hint(struct hda_codec
*codec
, const char *key
);
592 int snd_hda_get_bool_hint(struct hda_codec
*codec
, const char *key
);
593 int snd_hda_get_int_hint(struct hda_codec
*codec
, const char *key
, int *valp
);
596 const char *snd_hda_get_hint(struct hda_codec
*codec
, const char *key
)
602 int snd_hda_get_bool_hint(struct hda_codec
*codec
, const char *key
)
608 int snd_hda_get_int_hint(struct hda_codec
*codec
, const char *key
, int *valp
)
618 void snd_hda_schedule_power_save(struct hda_codec
*codec
);
620 struct hda_amp_list
{
626 struct hda_loopback_check
{
627 const struct hda_amp_list
*amplist
;
631 int snd_hda_check_amp_list_power(struct hda_codec
*codec
,
632 struct hda_loopback_check
*check
,
635 /* check whether the actual power state matches with the target state */
637 snd_hda_check_power_state(struct hda_codec
*codec
, hda_nid_t nid
,
638 unsigned int target_state
)
640 return snd_hdac_check_power_state(&codec
->core
, nid
, target_state
);
643 static inline unsigned int snd_hda_sync_power_state(struct hda_codec
*codec
,
645 unsigned int target_state
)
647 return snd_hdac_sync_power_state(&codec
->core
, nid
, target_state
);
649 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec
*codec
,
651 unsigned int power_state
);
653 void snd_hda_codec_shutdown(struct hda_codec
*codec
);
656 * AMP control callbacks
658 /* retrieve parameters from private_value */
659 #define get_amp_nid_(pv) ((pv) & 0xffff)
660 #define get_amp_nid(kc) get_amp_nid_((kc)->private_value)
661 #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3)
662 #define get_amp_direction_(pv) (((pv) >> 18) & 0x1)
663 #define get_amp_direction(kc) get_amp_direction_((kc)->private_value)
664 #define get_amp_index_(pv) (((pv) >> 19) & 0xf)
665 #define get_amp_index(kc) get_amp_index_((kc)->private_value)
666 #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f)
667 #define get_amp_min_mute(kc) (((kc)->private_value >> 29) & 0x1)
670 * enum control helper
672 int snd_hda_enum_helper_info(struct snd_kcontrol
*kcontrol
,
673 struct snd_ctl_elem_info
*uinfo
,
674 int num_items
, const char * const *texts
);
675 #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \
676 snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL)
679 * CEA Short Audio Descriptor data
683 int format
; /* (format == 0) indicates invalid SAD */
685 int sample_bits
; /* for LPCM */
686 int max_bitrate
; /* for AC3...ATRAC */
687 int profile
; /* for WMAPRO */
690 #define ELD_FIXED_BYTES 20
691 #define ELD_MAX_SIZE 256
692 #define ELD_MAX_MNL 16
693 #define ELD_MAX_SAD 16
696 * ELD: EDID Like Data
698 struct parsed_hdmi_eld
{
700 * all fields will be cleared before updating ELD
705 char monitor_name
[ELD_MAX_MNL
+ 1];
715 struct cea_sad sad
[ELD_MAX_SAD
];
719 bool monitor_present
;
722 char eld_buffer
[ELD_MAX_SIZE
];
723 struct parsed_hdmi_eld info
;
726 int snd_hdmi_get_eld_size(struct hda_codec
*codec
, hda_nid_t nid
);
727 int snd_hdmi_get_eld(struct hda_codec
*codec
, hda_nid_t nid
,
728 unsigned char *buf
, int *eld_size
);
729 int snd_hdmi_parse_eld(struct hda_codec
*codec
, struct parsed_hdmi_eld
*e
,
730 const unsigned char *buf
, int size
);
731 void snd_hdmi_show_eld(struct hda_codec
*codec
, struct parsed_hdmi_eld
*e
);
732 void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld
*e
,
733 struct hda_pcm_stream
*hinfo
);
735 int snd_hdmi_get_eld_ati(struct hda_codec
*codec
, hda_nid_t nid
,
736 unsigned char *buf
, int *eld_size
,
739 #ifdef CONFIG_SND_PROC_FS
740 void snd_hdmi_print_eld_info(struct hdmi_eld
*eld
,
741 struct snd_info_buffer
*buffer
,
742 hda_nid_t pin_nid
, int dev_id
, hda_nid_t cvt_nid
);
743 void snd_hdmi_write_eld_info(struct hdmi_eld
*eld
,
744 struct snd_info_buffer
*buffer
);
747 #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80
748 void snd_print_channel_allocation(int spk_alloc
, char *buf
, int buflen
);
750 void snd_hda_codec_display_power(struct hda_codec
*codec
, bool enable
);
754 #define codec_err(codec, fmt, args...) \
755 dev_err(hda_codec_dev(codec), fmt, ##args)
756 #define codec_warn(codec, fmt, args...) \
757 dev_warn(hda_codec_dev(codec), fmt, ##args)
758 #define codec_info(codec, fmt, args...) \
759 dev_info(hda_codec_dev(codec), fmt, ##args)
760 #define codec_dbg(codec, fmt, args...) \
761 dev_dbg(hda_codec_dev(codec), fmt, ##args)
763 #endif /* __SOUND_HDA_LOCAL_H */