2 * Universal Interface for Intel High Definition Audio Codec
4 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the Free
8 * Software Foundation; either version 2 of the License, or (at your option)
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc., 59
18 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #ifndef __SOUND_HDA_CODEC_H
22 #define __SOUND_HDA_CODEC_H
24 #include <sound/info.h>
25 #include <sound/control.h>
26 #include <sound/pcm.h>
27 #include <sound/hwdep.h>
29 #if defined(CONFIG_PM) || defined(CONFIG_SND_HDA_POWER_SAVE)
30 #define SND_HDA_NEEDS_RESUME /* resume control code is required */
36 #define AC_NODE_ROOT 0x00
39 * function group types
42 AC_GRP_AUDIO_FUNCTION
= 0x01,
43 AC_GRP_MODEM_FUNCTION
= 0x02,
50 AC_WID_AUD_OUT
, /* Audio Out */
51 AC_WID_AUD_IN
, /* Audio In */
52 AC_WID_AUD_MIX
, /* Audio Mixer */
53 AC_WID_AUD_SEL
, /* Audio Selector */
54 AC_WID_PIN
, /* Pin Complex */
55 AC_WID_POWER
, /* Power */
56 AC_WID_VOL_KNB
, /* Volume Knob */
57 AC_WID_BEEP
, /* Beep Generator */
58 AC_WID_VENDOR
= 0x0f /* Vendor specific */
64 #define AC_VERB_GET_STREAM_FORMAT 0x0a00
65 #define AC_VERB_GET_AMP_GAIN_MUTE 0x0b00
66 #define AC_VERB_GET_PROC_COEF 0x0c00
67 #define AC_VERB_GET_COEF_INDEX 0x0d00
68 #define AC_VERB_PARAMETERS 0x0f00
69 #define AC_VERB_GET_CONNECT_SEL 0x0f01
70 #define AC_VERB_GET_CONNECT_LIST 0x0f02
71 #define AC_VERB_GET_PROC_STATE 0x0f03
72 #define AC_VERB_GET_SDI_SELECT 0x0f04
73 #define AC_VERB_GET_POWER_STATE 0x0f05
74 #define AC_VERB_GET_CONV 0x0f06
75 #define AC_VERB_GET_PIN_WIDGET_CONTROL 0x0f07
76 #define AC_VERB_GET_UNSOLICITED_RESPONSE 0x0f08
77 #define AC_VERB_GET_PIN_SENSE 0x0f09
78 #define AC_VERB_GET_BEEP_CONTROL 0x0f0a
79 #define AC_VERB_GET_EAPD_BTLENABLE 0x0f0c
80 #define AC_VERB_GET_DIGI_CONVERT 0x0f0d
81 #define AC_VERB_GET_VOLUME_KNOB_CONTROL 0x0f0f
83 #define AC_VERB_GET_GPIO_DATA 0x0f15
84 #define AC_VERB_GET_GPIO_MASK 0x0f16
85 #define AC_VERB_GET_GPIO_DIRECTION 0x0f17
86 #define AC_VERB_GET_CONFIG_DEFAULT 0x0f1c
88 #define AC_VERB_GET_SUBSYSTEM_ID 0x0f20
93 #define AC_VERB_SET_STREAM_FORMAT 0x200
94 #define AC_VERB_SET_AMP_GAIN_MUTE 0x300
95 #define AC_VERB_SET_PROC_COEF 0x400
96 #define AC_VERB_SET_COEF_INDEX 0x500
97 #define AC_VERB_SET_CONNECT_SEL 0x701
98 #define AC_VERB_SET_PROC_STATE 0x703
99 #define AC_VERB_SET_SDI_SELECT 0x704
100 #define AC_VERB_SET_POWER_STATE 0x705
101 #define AC_VERB_SET_CHANNEL_STREAMID 0x706
102 #define AC_VERB_SET_PIN_WIDGET_CONTROL 0x707
103 #define AC_VERB_SET_UNSOLICITED_ENABLE 0x708
104 #define AC_VERB_SET_PIN_SENSE 0x709
105 #define AC_VERB_SET_BEEP_CONTROL 0x70a
106 #define AC_VERB_SET_EAPD_BTLENABLE 0x70c
107 #define AC_VERB_SET_DIGI_CONVERT_1 0x70d
108 #define AC_VERB_SET_DIGI_CONVERT_2 0x70e
109 #define AC_VERB_SET_VOLUME_KNOB_CONTROL 0x70f
110 #define AC_VERB_SET_GPIO_DATA 0x715
111 #define AC_VERB_SET_GPIO_MASK 0x716
112 #define AC_VERB_SET_GPIO_DIRECTION 0x717
113 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_0 0x71c
114 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_1 0x71d
115 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_2 0x71e
116 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_3 0x71f
117 #define AC_VERB_SET_CODEC_RESET 0x7ff
122 #define AC_PAR_VENDOR_ID 0x00
123 #define AC_PAR_SUBSYSTEM_ID 0x01
124 #define AC_PAR_REV_ID 0x02
125 #define AC_PAR_NODE_COUNT 0x04
126 #define AC_PAR_FUNCTION_TYPE 0x05
127 #define AC_PAR_AUDIO_FG_CAP 0x08
128 #define AC_PAR_AUDIO_WIDGET_CAP 0x09
129 #define AC_PAR_PCM 0x0a
130 #define AC_PAR_STREAM 0x0b
131 #define AC_PAR_PIN_CAP 0x0c
132 #define AC_PAR_AMP_IN_CAP 0x0d
133 #define AC_PAR_CONNLIST_LEN 0x0e
134 #define AC_PAR_POWER_STATE 0x0f
135 #define AC_PAR_PROC_CAP 0x10
136 #define AC_PAR_GPIO_CAP 0x11
137 #define AC_PAR_AMP_OUT_CAP 0x12
138 #define AC_PAR_VOL_KNB_CAP 0x13
141 * AC_VERB_PARAMETERS results (32bit)
144 /* Function Group Type */
145 #define AC_FGT_TYPE (0xff<<0)
146 #define AC_FGT_TYPE_SHIFT 0
147 #define AC_FGT_UNSOL_CAP (1<<8)
149 /* Audio Function Group Capabilities */
150 #define AC_AFG_OUT_DELAY (0xf<<0)
151 #define AC_AFG_IN_DELAY (0xf<<8)
152 #define AC_AFG_BEEP_GEN (1<<16)
154 /* Audio Widget Capabilities */
155 #define AC_WCAP_STEREO (1<<0) /* stereo I/O */
156 #define AC_WCAP_IN_AMP (1<<1) /* AMP-in present */
157 #define AC_WCAP_OUT_AMP (1<<2) /* AMP-out present */
158 #define AC_WCAP_AMP_OVRD (1<<3) /* AMP-parameter override */
159 #define AC_WCAP_FORMAT_OVRD (1<<4) /* format override */
160 #define AC_WCAP_STRIPE (1<<5) /* stripe */
161 #define AC_WCAP_PROC_WID (1<<6) /* Proc Widget */
162 #define AC_WCAP_UNSOL_CAP (1<<7) /* Unsol capable */
163 #define AC_WCAP_CONN_LIST (1<<8) /* connection list */
164 #define AC_WCAP_DIGITAL (1<<9) /* digital I/O */
165 #define AC_WCAP_POWER (1<<10) /* power control */
166 #define AC_WCAP_LR_SWAP (1<<11) /* L/R swap */
167 #define AC_WCAP_DELAY (0xf<<16)
168 #define AC_WCAP_DELAY_SHIFT 16
169 #define AC_WCAP_TYPE (0xf<<20)
170 #define AC_WCAP_TYPE_SHIFT 20
172 /* supported PCM rates and bits */
173 #define AC_SUPPCM_RATES (0xfff << 0)
174 #define AC_SUPPCM_BITS_8 (1<<16)
175 #define AC_SUPPCM_BITS_16 (1<<17)
176 #define AC_SUPPCM_BITS_20 (1<<18)
177 #define AC_SUPPCM_BITS_24 (1<<19)
178 #define AC_SUPPCM_BITS_32 (1<<20)
180 /* supported PCM stream format */
181 #define AC_SUPFMT_PCM (1<<0)
182 #define AC_SUPFMT_FLOAT32 (1<<1)
183 #define AC_SUPFMT_AC3 (1<<2)
185 /* Pin widget capabilies */
186 #define AC_PINCAP_IMP_SENSE (1<<0) /* impedance sense capable */
187 #define AC_PINCAP_TRIG_REQ (1<<1) /* trigger required */
188 #define AC_PINCAP_PRES_DETECT (1<<2) /* presence detect capable */
189 #define AC_PINCAP_HP_DRV (1<<3) /* headphone drive capable */
190 #define AC_PINCAP_OUT (1<<4) /* output capable */
191 #define AC_PINCAP_IN (1<<5) /* input capable */
192 #define AC_PINCAP_BALANCE (1<<6) /* balanced I/O capable */
193 #define AC_PINCAP_VREF (0x37<<8)
194 #define AC_PINCAP_VREF_SHIFT 8
195 #define AC_PINCAP_EAPD (1<<16) /* EAPD capable */
196 /* Vref status (used in pin cap) */
197 #define AC_PINCAP_VREF_HIZ (1<<0) /* Hi-Z */
198 #define AC_PINCAP_VREF_50 (1<<1) /* 50% */
199 #define AC_PINCAP_VREF_GRD (1<<2) /* ground */
200 #define AC_PINCAP_VREF_80 (1<<4) /* 80% */
201 #define AC_PINCAP_VREF_100 (1<<5) /* 100% */
203 /* Amplifier capabilities */
204 #define AC_AMPCAP_OFFSET (0x7f<<0) /* 0dB offset */
205 #define AC_AMPCAP_OFFSET_SHIFT 0
206 #define AC_AMPCAP_NUM_STEPS (0x7f<<8) /* number of steps */
207 #define AC_AMPCAP_NUM_STEPS_SHIFT 8
208 #define AC_AMPCAP_STEP_SIZE (0x7f<<16) /* step size 0-32dB
211 #define AC_AMPCAP_STEP_SIZE_SHIFT 16
212 #define AC_AMPCAP_MUTE (1<<31) /* mute capable */
213 #define AC_AMPCAP_MUTE_SHIFT 31
215 /* Connection list */
216 #define AC_CLIST_LENGTH (0x7f<<0)
217 #define AC_CLIST_LONG (1<<7)
219 /* Supported power status */
220 #define AC_PWRST_D0SUP (1<<0)
221 #define AC_PWRST_D1SUP (1<<1)
222 #define AC_PWRST_D2SUP (1<<2)
223 #define AC_PWRST_D3SUP (1<<3)
225 /* Power state values */
226 #define AC_PWRST_D0 0x00
227 #define AC_PWRST_D1 0x01
228 #define AC_PWRST_D2 0x02
229 #define AC_PWRST_D3 0x03
231 /* Processing capabilies */
232 #define AC_PCAP_BENIGN (1<<0)
233 #define AC_PCAP_NUM_COEF (0xff<<8)
235 /* Volume knobs capabilities */
236 #define AC_KNBCAP_NUM_STEPS (0x7f<<0)
237 #define AC_KNBCAP_DELTA (1<<7)
244 #define AC_AMP_MUTE (1<<7)
245 #define AC_AMP_GAIN (0x7f)
246 #define AC_AMP_GET_INDEX (0xf<<0)
248 #define AC_AMP_GET_LEFT (1<<13)
249 #define AC_AMP_GET_RIGHT (0<<13)
250 #define AC_AMP_GET_OUTPUT (1<<15)
251 #define AC_AMP_GET_INPUT (0<<15)
253 #define AC_AMP_SET_INDEX (0xf<<8)
254 #define AC_AMP_SET_INDEX_SHIFT 8
255 #define AC_AMP_SET_RIGHT (1<<12)
256 #define AC_AMP_SET_LEFT (1<<13)
257 #define AC_AMP_SET_INPUT (1<<14)
258 #define AC_AMP_SET_OUTPUT (1<<15)
261 #define AC_DIG1_ENABLE (1<<0)
262 #define AC_DIG1_V (1<<1)
263 #define AC_DIG1_VCFG (1<<2)
264 #define AC_DIG1_EMPHASIS (1<<3)
265 #define AC_DIG1_COPYRIGHT (1<<4)
266 #define AC_DIG1_NONAUDIO (1<<5)
267 #define AC_DIG1_PROFESSIONAL (1<<6)
268 #define AC_DIG1_LEVEL (1<<7)
270 /* Pin widget control - 8bit */
271 #define AC_PINCTL_VREFEN (0x7<<0)
272 #define AC_PINCTL_VREF_HIZ 0 /* Hi-Z */
273 #define AC_PINCTL_VREF_50 1 /* 50% */
274 #define AC_PINCTL_VREF_GRD 2 /* ground */
275 #define AC_PINCTL_VREF_80 4 /* 80% */
276 #define AC_PINCTL_VREF_100 5 /* 100% */
277 #define AC_PINCTL_IN_EN (1<<5)
278 #define AC_PINCTL_OUT_EN (1<<6)
279 #define AC_PINCTL_HP_EN (1<<7)
281 /* Unsolicited response - 8bit */
282 #define AC_USRSP_EN (1<<7)
284 /* configuration default - 32bit */
285 #define AC_DEFCFG_SEQUENCE (0xf<<0)
286 #define AC_DEFCFG_DEF_ASSOC (0xf<<4)
287 #define AC_DEFCFG_ASSOC_SHIFT 4
288 #define AC_DEFCFG_MISC (0xf<<8)
289 #define AC_DEFCFG_MISC_SHIFT 8
290 #define AC_DEFCFG_COLOR (0xf<<12)
291 #define AC_DEFCFG_COLOR_SHIFT 12
292 #define AC_DEFCFG_CONN_TYPE (0xf<<16)
293 #define AC_DEFCFG_CONN_TYPE_SHIFT 16
294 #define AC_DEFCFG_DEVICE (0xf<<20)
295 #define AC_DEFCFG_DEVICE_SHIFT 20
296 #define AC_DEFCFG_LOCATION (0x3f<<24)
297 #define AC_DEFCFG_LOCATION_SHIFT 24
298 #define AC_DEFCFG_PORT_CONN (0x3<<30)
299 #define AC_DEFCFG_PORT_CONN_SHIFT 30
301 /* device device types (0x0-0xf) */
308 AC_JACK_DIG_OTHER_OUT
,
309 AC_JACK_MODEM_LINE_SIDE
,
310 AC_JACK_MODEM_HAND_SIDE
,
316 AC_JACK_DIG_OTHER_IN
,
320 /* jack connection types (0x0-0xf) */
322 AC_JACK_CONN_UNKNOWN
,
327 AC_JACK_CONN_OPTICAL
,
328 AC_JACK_CONN_OTHER_DIGITAL
,
329 AC_JACK_CONN_OTHER_ANALOG
,
334 AC_JACK_CONN_OTHER
= 0xf,
337 /* jack colors (0x0-0xf) */
339 AC_JACK_COLOR_UNKNOWN
,
345 AC_JACK_COLOR_ORANGE
,
346 AC_JACK_COLOR_YELLOW
,
347 AC_JACK_COLOR_PURPLE
,
349 AC_JACK_COLOR_WHITE
= 0xe,
353 /* Jack location (0x0-0x3f) */
366 AC_JACK_LOC_EXTERNAL
= 0x00,
367 AC_JACK_LOC_INTERNAL
= 0x10,
368 AC_JACK_LOC_SEPARATE
= 0x20,
369 AC_JACK_LOC_OTHER
= 0x30,
372 /* external on primary chasis */
373 AC_JACK_LOC_REAR_PANEL
= 0x07,
374 AC_JACK_LOC_DRIVE_BAY
,
376 AC_JACK_LOC_RISER
= 0x17,
380 AC_JACK_LOC_MOBILE_IN
= 0x37,
381 AC_JACK_LOC_MOBILE_OUT
,
384 /* Port connectivity (0-3) */
386 AC_JACK_PORT_COMPLEX
,
392 /* max. connections to a widget */
393 #define HDA_MAX_CONNECTIONS 32
395 /* max. codec address */
396 #define HDA_MAX_CODEC_ADDRESS 0x0f
405 struct hda_pcm_stream
;
406 struct hda_bus_unsolicited
;
409 typedef u16 hda_nid_t
;
413 /* send a single command */
414 int (*command
)(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
415 unsigned int verb
, unsigned int parm
);
416 /* get a response from the last command */
417 unsigned int (*get_response
)(struct hda_codec
*codec
);
418 /* free the private data */
419 void (*private_free
)(struct hda_bus
*);
420 #ifdef CONFIG_SND_HDA_POWER_SAVE
421 /* notify power-up/down from codec to controller */
422 void (*pm_notify
)(struct hda_codec
*codec
);
426 /* template to pass to the bus constructor */
427 struct hda_bus_template
{
430 const char *modelname
;
431 struct hda_bus_ops ops
;
437 * each controller needs to creata a hda_bus to assign the accessor.
438 * A hda_bus contains several codecs in the list codec_list.
441 struct snd_card
*card
;
443 /* copied from template */
446 const char *modelname
;
447 struct hda_bus_ops ops
;
449 /* codec linked list */
450 struct list_head codec_list
;
451 /* link caddr -> codec */
452 struct hda_codec
*caddr_tbl
[HDA_MAX_CODEC_ADDRESS
+ 1];
454 struct mutex cmd_mutex
;
456 /* unsolicited event queue */
457 struct hda_bus_unsolicited
*unsol
;
459 struct snd_info_entry
*proc
;
465 * Known codecs have the patch to build and set up the controls/PCMs
466 * better than the generic parser.
468 struct hda_codec_preset
{
472 unsigned int subs_mask
;
475 int (*patch
)(struct hda_codec
*codec
);
478 /* ops set by the preset patch */
479 struct hda_codec_ops
{
480 int (*build_controls
)(struct hda_codec
*codec
);
481 int (*build_pcms
)(struct hda_codec
*codec
);
482 int (*init
)(struct hda_codec
*codec
);
483 void (*free
)(struct hda_codec
*codec
);
484 void (*unsol_event
)(struct hda_codec
*codec
, unsigned int res
);
485 #ifdef SND_HDA_NEEDS_RESUME
486 int (*suspend
)(struct hda_codec
*codec
, pm_message_t state
);
487 int (*resume
)(struct hda_codec
*codec
);
489 #ifdef CONFIG_SND_HDA_POWER_SAVE
490 int (*check_power_status
)(struct hda_codec
*codec
, hda_nid_t nid
);
494 /* record for amp information cache */
495 struct hda_cache_head
{
496 u32 key
; /* hash key */
497 u16 val
; /* assigned value */
498 u16 next
; /* next link; -1 = terminal */
501 struct hda_amp_info
{
502 struct hda_cache_head head
;
503 u32 amp_caps
; /* amp capabilities */
504 u16 vol
[2]; /* current volume & mute */
507 struct hda_cache_rec
{
508 u16 hash
[64]; /* hash table for index */
509 unsigned int num_entries
; /* number of assigned entries */
510 unsigned int size
; /* allocated size */
511 unsigned int record_size
; /* record size (including header) */
512 void *buffer
; /* hash table entries */
517 int (*open
)(struct hda_pcm_stream
*info
, struct hda_codec
*codec
,
518 struct snd_pcm_substream
*substream
);
519 int (*close
)(struct hda_pcm_stream
*info
, struct hda_codec
*codec
,
520 struct snd_pcm_substream
*substream
);
521 int (*prepare
)(struct hda_pcm_stream
*info
, struct hda_codec
*codec
,
522 unsigned int stream_tag
, unsigned int format
,
523 struct snd_pcm_substream
*substream
);
524 int (*cleanup
)(struct hda_pcm_stream
*info
, struct hda_codec
*codec
,
525 struct snd_pcm_substream
*substream
);
528 /* PCM information for each substream */
529 struct hda_pcm_stream
{
530 unsigned int substreams
; /* number of substreams, 0 = not exist*/
531 unsigned int channels_min
; /* min. number of channels */
532 unsigned int channels_max
; /* max. number of channels */
533 hda_nid_t nid
; /* default NID to query rates/formats/bps, or set up */
534 u32 rates
; /* supported rates */
535 u64 formats
; /* supported formats (SNDRV_PCM_FMTBIT_) */
536 unsigned int maxbps
; /* supported max. bit per sample */
537 struct hda_pcm_ops ops
;
540 /* for PCM creation */
543 struct hda_pcm_stream stream
[2];
544 unsigned int is_modem
; /* modem codec? */
547 /* codec information */
550 unsigned int addr
; /* codec addr*/
551 struct list_head list
; /* list point */
553 hda_nid_t afg
; /* AFG node id */
554 hda_nid_t mfg
; /* MFG node id */
561 /* detected preset */
562 const struct hda_codec_preset
*preset
;
565 struct hda_codec_ops patch_ops
;
567 /* PCM to create, set by patch_ops.build_pcms callback */
568 unsigned int num_pcms
;
569 struct hda_pcm
*pcm_info
;
571 /* codec specific info */
574 /* widget capabilities cache */
575 unsigned int num_nodes
;
579 struct hda_cache_rec amp_cache
; /* cache for amp access */
580 struct hda_cache_rec cmd_cache
; /* cache for other commands */
582 struct mutex spdif_mutex
;
583 unsigned int spdif_status
; /* IEC958 status bits */
584 unsigned short spdif_ctls
; /* SPDIF control bits */
585 unsigned int spdif_in_enable
; /* SPDIF input enable? */
587 struct snd_hwdep
*hwdep
; /* assigned hwdep device */
589 #ifdef CONFIG_SND_HDA_POWER_SAVE
590 unsigned int power_on
:1; /* current (global) power-state */
591 unsigned int power_transition
:1; /* power-state in transition */
592 int power_count
; /* current (global) power refcount */
593 struct delayed_work power_work
; /* delayed task for powerdown */
599 HDA_INPUT
, HDA_OUTPUT
606 int snd_hda_bus_new(struct snd_card
*card
, const struct hda_bus_template
*temp
,
607 struct hda_bus
**busp
);
608 int snd_hda_codec_new(struct hda_bus
*bus
, unsigned int codec_addr
,
609 struct hda_codec
**codecp
);
612 * low level functions
614 unsigned int snd_hda_codec_read(struct hda_codec
*codec
, hda_nid_t nid
,
616 unsigned int verb
, unsigned int parm
);
617 int snd_hda_codec_write(struct hda_codec
*codec
, hda_nid_t nid
, int direct
,
618 unsigned int verb
, unsigned int parm
);
619 #define snd_hda_param_read(codec, nid, param) \
620 snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param)
621 int snd_hda_get_sub_nodes(struct hda_codec
*codec
, hda_nid_t nid
,
622 hda_nid_t
*start_id
);
623 int snd_hda_get_connections(struct hda_codec
*codec
, hda_nid_t nid
,
624 hda_nid_t
*conn_list
, int max_conns
);
632 void snd_hda_sequence_write(struct hda_codec
*codec
,
633 const struct hda_verb
*seq
);
635 /* unsolicited event */
636 int snd_hda_queue_unsol_event(struct hda_bus
*bus
, u32 res
, u32 res_ex
);
639 #ifdef SND_HDA_NEEDS_RESUME
640 int snd_hda_codec_write_cache(struct hda_codec
*codec
, hda_nid_t nid
,
641 int direct
, unsigned int verb
, unsigned int parm
);
642 void snd_hda_sequence_write_cache(struct hda_codec
*codec
,
643 const struct hda_verb
*seq
);
644 void snd_hda_codec_resume_cache(struct hda_codec
*codec
);
646 #define snd_hda_codec_write_cache snd_hda_codec_write
647 #define snd_hda_sequence_write_cache snd_hda_sequence_write
653 int snd_hda_build_controls(struct hda_bus
*bus
);
658 int snd_hda_build_pcms(struct hda_bus
*bus
);
659 void snd_hda_codec_setup_stream(struct hda_codec
*codec
, hda_nid_t nid
,
661 int channel_id
, int format
);
662 unsigned int snd_hda_calc_stream_format(unsigned int rate
,
663 unsigned int channels
,
665 unsigned int maxbps
);
666 int snd_hda_query_supported_pcm(struct hda_codec
*codec
, hda_nid_t nid
,
667 u32
*ratesp
, u64
*formatsp
, unsigned int *bpsp
);
668 int snd_hda_is_supported_format(struct hda_codec
*codec
, hda_nid_t nid
,
669 unsigned int format
);
674 void snd_hda_get_codec_name(struct hda_codec
*codec
, char *name
, int namelen
);
680 int snd_hda_suspend(struct hda_bus
*bus
, pm_message_t state
);
681 int snd_hda_resume(struct hda_bus
*bus
);
687 #ifdef CONFIG_SND_HDA_POWER_SAVE
688 void snd_hda_power_up(struct hda_codec
*codec
);
689 void snd_hda_power_down(struct hda_codec
*codec
);
690 #define snd_hda_codec_needs_resume(codec) codec->power_count
691 int snd_hda_codecs_inuse(struct hda_bus
*bus
);
693 static inline void snd_hda_power_up(struct hda_codec
*codec
) {}
694 static inline void snd_hda_power_down(struct hda_codec
*codec
) {}
695 #define snd_hda_codec_needs_resume(codec) 1
696 #define snd_hda_codecs_inuse(bus) 1
699 #endif /* __SOUND_HDA_CODEC_H */