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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Universal Interface for Intel High Definition Audio Codec
3 *
4 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
5 *
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)
9 * any later version.
10 *
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
14 * more details.
15 *
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.
19 */
20
21#ifndef __SOUND_HDA_CODEC_H
22#define __SOUND_HDA_CODEC_H
23
24#include <sound/info.h>
25#include <sound/control.h>
26#include <sound/pcm.h>
27
28/*
29 * nodes
30 */
31#define AC_NODE_ROOT 0x00
32
33/*
34 * function group types
35 */
36enum {
37 AC_GRP_AUDIO_FUNCTION = 0x01,
38 AC_GRP_MODEM_FUNCTION = 0x02,
39};
40
41/*
42 * widget types
43 */
44enum {
45 AC_WID_AUD_OUT, /* Audio Out */
46 AC_WID_AUD_IN, /* Audio In */
47 AC_WID_AUD_MIX, /* Audio Mixer */
48 AC_WID_AUD_SEL, /* Audio Selector */
49 AC_WID_PIN, /* Pin Complex */
50 AC_WID_POWER, /* Power */
51 AC_WID_VOL_KNB, /* Volume Knob */
52 AC_WID_BEEP, /* Beep Generator */
53 AC_WID_VENDOR = 0x0f /* Vendor specific */
54};
55
56/*
57 * GET verbs
58 */
59#define AC_VERB_GET_STREAM_FORMAT 0x0a00
60#define AC_VERB_GET_AMP_GAIN_MUTE 0x0b00
61#define AC_VERB_GET_PROC_COEF 0x0c00
62#define AC_VERB_GET_COEF_INDEX 0x0d00
63#define AC_VERB_PARAMETERS 0x0f00
64#define AC_VERB_GET_CONNECT_SEL 0x0f01
65#define AC_VERB_GET_CONNECT_LIST 0x0f02
66#define AC_VERB_GET_PROC_STATE 0x0f03
67#define AC_VERB_GET_SDI_SELECT 0x0f04
68#define AC_VERB_GET_POWER_STATE 0x0f05
69#define AC_VERB_GET_CONV 0x0f06
70#define AC_VERB_GET_PIN_WIDGET_CONTROL 0x0f07
71#define AC_VERB_GET_UNSOLICITED_RESPONSE 0x0f08
72#define AC_VERB_GET_PIN_SENSE 0x0f09
73#define AC_VERB_GET_BEEP_CONTROL 0x0f0a
74#define AC_VERB_GET_EAPD_BTLENABLE 0x0f0c
75#define AC_VERB_GET_DIGI_CONVERT 0x0f0d
76#define AC_VERB_GET_VOLUME_KNOB_CONTROL 0x0f0f
77/* f10-f1a: GPIO */
Takashi Iwai16ded522005-06-10 19:58:24 +020078#define AC_VERB_GET_GPIO_DATA 0x0f15
79#define AC_VERB_GET_GPIO_MASK 0x0f16
80#define AC_VERB_GET_GPIO_DIRECTION 0x0f17
Linus Torvalds1da177e2005-04-16 15:20:36 -070081#define AC_VERB_GET_CONFIG_DEFAULT 0x0f1c
82
83/*
84 * SET verbs
85 */
86#define AC_VERB_SET_STREAM_FORMAT 0x200
87#define AC_VERB_SET_AMP_GAIN_MUTE 0x300
88#define AC_VERB_SET_PROC_COEF 0x400
89#define AC_VERB_SET_COEF_INDEX 0x500
90#define AC_VERB_SET_CONNECT_SEL 0x701
91#define AC_VERB_SET_PROC_STATE 0x703
92#define AC_VERB_SET_SDI_SELECT 0x704
93#define AC_VERB_SET_POWER_STATE 0x705
94#define AC_VERB_SET_CHANNEL_STREAMID 0x706
95#define AC_VERB_SET_PIN_WIDGET_CONTROL 0x707
96#define AC_VERB_SET_UNSOLICITED_ENABLE 0x708
97#define AC_VERB_SET_PIN_SENSE 0x709
98#define AC_VERB_SET_BEEP_CONTROL 0x70a
99#define AC_VERB_SET_EAPD_BTLENALBE 0x70c
100#define AC_VERB_SET_DIGI_CONVERT_1 0x70d
101#define AC_VERB_SET_DIGI_CONVERT_2 0x70e
102#define AC_VERB_SET_VOLUME_KNOB_CONTROL 0x70f
Takashi Iwai16ded522005-06-10 19:58:24 +0200103#define AC_VERB_SET_GPIO_DATA 0x715
104#define AC_VERB_SET_GPIO_MASK 0x716
105#define AC_VERB_SET_GPIO_DIRECTION 0x717
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106#define AC_VERB_SET_CONFIG_DEFAULT_BYTES_0 0x71c
107#define AC_VERB_SET_CONFIG_DEFAULT_BYTES_1 0x71d
108#define AC_VERB_SET_CONFIG_DEFAULT_BYTES_2 0x71e
109#define AC_VERB_SET_CONFIG_DEFAULT_BYTES_3 0x71f
110#define AC_VERB_SET_CODEC_RESET 0x7ff
111
112/*
113 * Parameter IDs
114 */
115#define AC_PAR_VENDOR_ID 0x00
116#define AC_PAR_SUBSYSTEM_ID 0x01
117#define AC_PAR_REV_ID 0x02
118#define AC_PAR_NODE_COUNT 0x04
119#define AC_PAR_FUNCTION_TYPE 0x05
120#define AC_PAR_AUDIO_FG_CAP 0x08
121#define AC_PAR_AUDIO_WIDGET_CAP 0x09
122#define AC_PAR_PCM 0x0a
123#define AC_PAR_STREAM 0x0b
124#define AC_PAR_PIN_CAP 0x0c
125#define AC_PAR_AMP_IN_CAP 0x0d
126#define AC_PAR_CONNLIST_LEN 0x0e
127#define AC_PAR_POWER_STATE 0x0f
128#define AC_PAR_PROC_CAP 0x10
129#define AC_PAR_GPIO_CAP 0x11
130#define AC_PAR_AMP_OUT_CAP 0x12
131
132/*
133 * AC_VERB_PARAMETERS results (32bit)
134 */
135
136/* Function Group Type */
137#define AC_FGT_TYPE (0xff<<0)
138#define AC_FGT_TYPE_SHIFT 0
139#define AC_FGT_UNSOL_CAP (1<<8)
140
141/* Audio Function Group Capabilities */
142#define AC_AFG_OUT_DELAY (0xf<<0)
143#define AC_AFG_IN_DELAY (0xf<<8)
144#define AC_AFG_BEEP_GEN (1<<16)
145
146/* Audio Widget Capabilities */
147#define AC_WCAP_STEREO (1<<0) /* stereo I/O */
148#define AC_WCAP_IN_AMP (1<<1) /* AMP-in present */
149#define AC_WCAP_OUT_AMP (1<<2) /* AMP-out present */
150#define AC_WCAP_AMP_OVRD (1<<3) /* AMP-parameter override */
151#define AC_WCAP_FORMAT_OVRD (1<<4) /* format override */
152#define AC_WCAP_STRIPE (1<<5) /* stripe */
153#define AC_WCAP_PROC_WID (1<<6) /* Proc Widget */
154#define AC_WCAP_UNSOL_CAP (1<<7) /* Unsol capable */
155#define AC_WCAP_CONN_LIST (1<<8) /* connection list */
156#define AC_WCAP_DIGITAL (1<<9) /* digital I/O */
157#define AC_WCAP_POWER (1<<10) /* power control */
158#define AC_WCAP_LR_SWAP (1<<11) /* L/R swap */
159#define AC_WCAP_DELAY (0xf<<16)
160#define AC_WCAP_DELAY_SHIFT 16
161#define AC_WCAP_TYPE (0xf<<20)
162#define AC_WCAP_TYPE_SHIFT 20
163
164/* supported PCM rates and bits */
165#define AC_SUPPCM_RATES (0xfff << 0)
166#define AC_SUPPCM_BITS_8 (1<<16)
167#define AC_SUPPCM_BITS_16 (1<<17)
168#define AC_SUPPCM_BITS_20 (1<<18)
169#define AC_SUPPCM_BITS_24 (1<<19)
170#define AC_SUPPCM_BITS_32 (1<<20)
171
172/* supported PCM stream format */
173#define AC_SUPFMT_PCM (1<<0)
174#define AC_SUPFMT_FLOAT32 (1<<1)
175#define AC_SUPFMT_AC3 (1<<2)
176
177/* Pin widget capabilies */
178#define AC_PINCAP_IMP_SENSE (1<<0) /* impedance sense capable */
179#define AC_PINCAP_TRIG_REQ (1<<1) /* trigger required */
180#define AC_PINCAP_PRES_DETECT (1<<2) /* presence detect capable */
181#define AC_PINCAP_HP_DRV (1<<3) /* headphone drive capable */
182#define AC_PINCAP_OUT (1<<4) /* output capable */
183#define AC_PINCAP_IN (1<<5) /* input capable */
184#define AC_PINCAP_BALANCE (1<<6) /* balanced I/O capable */
Matt1a12de1e2005-04-13 14:37:50 +0200185#define AC_PINCAP_VREF (0x37<<8)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186#define AC_PINCAP_VREF_SHIFT 8
187#define AC_PINCAP_EAPD (1<<16) /* EAPD capable */
Matt1a12de1e2005-04-13 14:37:50 +0200188/* Vref status (used in pin cap) */
189#define AC_PINCAP_VREF_HIZ (1<<0) /* Hi-Z */
190#define AC_PINCAP_VREF_50 (1<<1) /* 50% */
191#define AC_PINCAP_VREF_GRD (1<<2) /* ground */
192#define AC_PINCAP_VREF_80 (1<<4) /* 80% */
193#define AC_PINCAP_VREF_100 (1<<5) /* 100% */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194
195/* Amplifier capabilities */
196#define AC_AMPCAP_OFFSET (0x7f<<0) /* 0dB offset */
197#define AC_AMPCAP_OFFSET_SHIFT 0
198#define AC_AMPCAP_NUM_STEPS (0x7f<<8) /* number of steps */
199#define AC_AMPCAP_NUM_STEPS_SHIFT 8
200#define AC_AMPCAP_STEP_SIZE (0x7f<<16) /* step size 0-32dB in 0.25dB */
201#define AC_AMPCAP_STEP_SIZE_SHIFT 16
202#define AC_AMPCAP_MUTE (1<<31) /* mute capable */
203#define AC_AMPCAP_MUTE_SHIFT 31
204
205/* Connection list */
206#define AC_CLIST_LENGTH (0x7f<<0)
207#define AC_CLIST_LONG (1<<7)
208
209/* Supported power status */
210#define AC_PWRST_D0SUP (1<<0)
211#define AC_PWRST_D1SUP (1<<1)
212#define AC_PWRST_D2SUP (1<<2)
213#define AC_PWRST_D3SUP (1<<3)
214
215/* Processing capabilies */
216#define AC_PCAP_BENIGN (1<<0)
217#define AC_PCAP_NUM_COEF (0xff<<8)
218
219/* Volume knobs capabilities */
220#define AC_KNBCAP_NUM_STEPS (0x7f<<0)
221#define AC_KNBCAP_DELTA (1<<8)
222
223/*
224 * Control Parameters
225 */
226
227/* Amp gain/mute */
228#define AC_AMP_MUTE (1<<8)
229#define AC_AMP_GAIN (0x7f)
230#define AC_AMP_GET_INDEX (0xf<<0)
231
232#define AC_AMP_GET_LEFT (1<<13)
233#define AC_AMP_GET_RIGHT (0<<13)
234#define AC_AMP_GET_OUTPUT (1<<15)
235#define AC_AMP_GET_INPUT (0<<15)
236
237#define AC_AMP_SET_INDEX (0xf<<8)
238#define AC_AMP_SET_INDEX_SHIFT 8
239#define AC_AMP_SET_RIGHT (1<<12)
240#define AC_AMP_SET_LEFT (1<<13)
241#define AC_AMP_SET_INPUT (1<<14)
242#define AC_AMP_SET_OUTPUT (1<<15)
243
244/* DIGITAL1 bits */
245#define AC_DIG1_ENABLE (1<<0)
246#define AC_DIG1_V (1<<1)
247#define AC_DIG1_VCFG (1<<2)
248#define AC_DIG1_EMPHASIS (1<<3)
249#define AC_DIG1_COPYRIGHT (1<<4)
250#define AC_DIG1_NONAUDIO (1<<5)
251#define AC_DIG1_PROFESSIONAL (1<<6)
252#define AC_DIG1_LEVEL (1<<7)
253
254/* Pin widget control - 8bit */
255#define AC_PINCTL_VREFEN (0x7<<0)
Takashi Iwai98f759a2005-04-14 13:37:13 +0200256#define AC_PINCTL_VREF_HIZ 0 /* Hi-Z */
257#define AC_PINCTL_VREF_50 1 /* 50% */
258#define AC_PINCTL_VREF_GRD 2 /* ground */
259#define AC_PINCTL_VREF_80 4 /* 80% */
260#define AC_PINCTL_VREF_100 5 /* 100% */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700261#define AC_PINCTL_IN_EN (1<<5)
262#define AC_PINCTL_OUT_EN (1<<6)
263#define AC_PINCTL_HP_EN (1<<7)
264
265/* configuration default - 32bit */
266#define AC_DEFCFG_SEQUENCE (0xf<<0)
267#define AC_DEFCFG_DEF_ASSOC (0xf<<4)
Takashi Iwaid21b37e2005-04-20 13:45:55 +0200268#define AC_DEFCFG_ASSOC_SHIFT 4
Linus Torvalds1da177e2005-04-16 15:20:36 -0700269#define AC_DEFCFG_MISC (0xf<<8)
Takashi Iwaid21b37e2005-04-20 13:45:55 +0200270#define AC_DEFCFG_MISC_SHIFT 8
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271#define AC_DEFCFG_COLOR (0xf<<12)
272#define AC_DEFCFG_COLOR_SHIFT 12
273#define AC_DEFCFG_CONN_TYPE (0xf<<16)
274#define AC_DEFCFG_CONN_TYPE_SHIFT 16
275#define AC_DEFCFG_DEVICE (0xf<<20)
276#define AC_DEFCFG_DEVICE_SHIFT 20
277#define AC_DEFCFG_LOCATION (0x3f<<24)
278#define AC_DEFCFG_LOCATION_SHIFT 24
279#define AC_DEFCFG_PORT_CONN (0x3<<30)
280#define AC_DEFCFG_PORT_CONN_SHIFT 30
281
282/* device device types (0x0-0xf) */
283enum {
284 AC_JACK_LINE_OUT,
285 AC_JACK_SPEAKER,
286 AC_JACK_HP_OUT,
287 AC_JACK_CD,
288 AC_JACK_SPDIF_OUT,
289 AC_JACK_DIG_OTHER_OUT,
290 AC_JACK_MODEM_LINE_SIDE,
291 AC_JACK_MODEM_HAND_SIDE,
292 AC_JACK_LINE_IN,
293 AC_JACK_AUX,
294 AC_JACK_MIC_IN,
295 AC_JACK_TELEPHONY,
296 AC_JACK_SPDIF_IN,
297 AC_JACK_DIG_OTHER_IN,
298 AC_JACK_OTHER = 0xf,
299};
300
301/* jack connection types (0x0-0xf) */
302enum {
303 AC_JACK_CONN_UNKNOWN,
304 AC_JACK_CONN_1_8,
305 AC_JACK_CONN_1_4,
306 AC_JACK_CONN_ATAPI,
307 AC_JACK_CONN_RCA,
308 AC_JACK_CONN_OPTICAL,
309 AC_JACK_CONN_OTHER_DIGITAL,
310 AC_JACK_CONN_OTHER_ANALOG,
311 AC_JACK_CONN_DIN,
312 AC_JACK_CONN_XLR,
313 AC_JACK_CONN_RJ11,
314 AC_JACK_CONN_COMB,
315 AC_JACK_CONN_OTHER = 0xf,
316};
317
318/* jack colors (0x0-0xf) */
319enum {
320 AC_JACK_COLOR_UNKNOWN,
321 AC_JACK_COLOR_BLACK,
322 AC_JACK_COLOR_GREY,
323 AC_JACK_COLOR_BLUE,
324 AC_JACK_COLOR_GREEN,
325 AC_JACK_COLOR_RED,
326 AC_JACK_COLOR_ORANGE,
327 AC_JACK_COLOR_YELLOW,
328 AC_JACK_COLOR_PURPLE,
329 AC_JACK_COLOR_PINK,
330 AC_JACK_COLOR_WHITE = 0xe,
331 AC_JACK_COLOR_OTHER,
332};
333
334/* Jack location (0x0-0x3f) */
335/* common case */
336enum {
337 AC_JACK_LOC_NONE,
338 AC_JACK_LOC_REAR,
339 AC_JACK_LOC_FRONT,
340 AC_JACK_LOC_LEFT,
341 AC_JACK_LOC_RIGHT,
342 AC_JACK_LOC_TOP,
343 AC_JACK_LOC_BOTTOM,
344};
345/* bits 4-5 */
346enum {
347 AC_JACK_LOC_EXTERNAL = 0x00,
348 AC_JACK_LOC_INTERNAL = 0x10,
349 AC_JACK_LOC_SEPARATE = 0x20,
350 AC_JACK_LOC_OTHER = 0x30,
351};
352enum {
353 /* external on primary chasis */
354 AC_JACK_LOC_REAR_PANEL = 0x07,
355 AC_JACK_LOC_DRIVE_BAY,
356 /* internal */
357 AC_JACK_LOC_RISER = 0x17,
358 AC_JACK_LOC_HDMI,
359 AC_JACK_LOC_ATAPI,
360 /* others */
361 AC_JACK_LOC_MOBILE_IN = 0x37,
362 AC_JACK_LOC_MOBILE_OUT,
363};
364
365/* Port connectivity (0-3) */
366enum {
367 AC_JACK_PORT_COMPLEX,
368 AC_JACK_PORT_NONE,
369 AC_JACK_PORT_FIXED,
370 AC_JACK_PORT_BOTH,
371};
372
373/* max. connections to a widget */
374#define HDA_MAX_CONNECTIONS 16
375
376/* max. codec address */
377#define HDA_MAX_CODEC_ADDRESS 0x0f
378
379/*
380 * Structures
381 */
382
383struct hda_bus;
384struct hda_codec;
385struct hda_pcm;
386struct hda_pcm_stream;
387struct hda_bus_unsolicited;
388
389/* NID type */
390typedef u16 hda_nid_t;
391
392/* bus operators */
393struct hda_bus_ops {
394 /* send a single command */
395 int (*command)(struct hda_codec *codec, hda_nid_t nid, int direct,
396 unsigned int verb, unsigned int parm);
397 /* get a response from the last command */
398 unsigned int (*get_response)(struct hda_codec *codec);
399 /* free the private data */
400 void (*private_free)(struct hda_bus *);
401};
402
403/* template to pass to the bus constructor */
404struct hda_bus_template {
405 void *private_data;
406 struct pci_dev *pci;
407 const char *modelname;
408 struct hda_bus_ops ops;
409};
410
411/*
412 * codec bus
413 *
414 * each controller needs to creata a hda_bus to assign the accessor.
415 * A hda_bus contains several codecs in the list codec_list.
416 */
417struct hda_bus {
418 snd_card_t *card;
419
420 /* copied from template */
421 void *private_data;
422 struct pci_dev *pci;
423 const char *modelname;
424 struct hda_bus_ops ops;
425
426 /* codec linked list */
427 struct list_head codec_list;
Takashi Iwai033a1f12005-05-25 16:41:43 +0200428 struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1]; /* caddr -> codec */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700429
430 struct semaphore cmd_mutex;
431
432 /* unsolicited event queue */
433 struct hda_bus_unsolicited *unsol;
434
435 snd_info_entry_t *proc;
436};
437
438/*
439 * codec preset
440 *
441 * Known codecs have the patch to build and set up the controls/PCMs
442 * better than the generic parser.
443 */
444struct hda_codec_preset {
445 unsigned int id;
446 unsigned int mask;
447 unsigned int subs;
448 unsigned int subs_mask;
449 unsigned int rev;
450 const char *name;
451 int (*patch)(struct hda_codec *codec);
452};
453
454/* ops set by the preset patch */
455struct hda_codec_ops {
456 int (*build_controls)(struct hda_codec *codec);
457 int (*build_pcms)(struct hda_codec *codec);
458 int (*init)(struct hda_codec *codec);
459 void (*free)(struct hda_codec *codec);
460 void (*unsol_event)(struct hda_codec *codec, unsigned int res);
461#ifdef CONFIG_PM
462 int (*suspend)(struct hda_codec *codec, pm_message_t state);
463 int (*resume)(struct hda_codec *codec);
464#endif
465};
466
467/* record for amp information cache */
468struct hda_amp_info {
469 u32 key; /* hash key */
470 u32 amp_caps; /* amp capabilities */
471 u16 vol[2]; /* current volume & mute*/
472 u16 status; /* update flag */
473 u16 next; /* next link */
474};
475
476/* PCM callbacks */
477struct hda_pcm_ops {
478 int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
479 snd_pcm_substream_t *substream);
480 int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
481 snd_pcm_substream_t *substream);
482 int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
483 unsigned int stream_tag, unsigned int format,
484 snd_pcm_substream_t *substream);
485 int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
486 snd_pcm_substream_t *substream);
487};
488
489/* PCM information for each substream */
490struct hda_pcm_stream {
491 unsigned int substreams; /* number of substreams, 0 = not exist */
492 unsigned int channels_min; /* min. number of channels */
493 unsigned int channels_max; /* max. number of channels */
494 hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */
495 u32 rates; /* supported rates */
496 u64 formats; /* supported formats (SNDRV_PCM_FMTBIT_) */
497 unsigned int maxbps; /* supported max. bit per sample */
498 struct hda_pcm_ops ops;
499};
500
501/* for PCM creation */
502struct hda_pcm {
503 char *name;
504 struct hda_pcm_stream stream[2];
505};
506
507/* codec information */
508struct hda_codec {
509 struct hda_bus *bus;
510 unsigned int addr; /* codec addr*/
511 struct list_head list; /* list point */
512
513 hda_nid_t afg; /* AFG node id */
514
515 /* ids */
516 u32 vendor_id;
517 u32 subsystem_id;
518 u32 revision_id;
519
520 /* detected preset */
521 const struct hda_codec_preset *preset;
522
523 /* set by patch */
524 struct hda_codec_ops patch_ops;
525
526 /* resume phase - all controls should update even if
527 * the values are not changed
528 */
529 unsigned int in_resume;
530
531 /* PCM to create, set by patch_ops.build_pcms callback */
532 unsigned int num_pcms;
533 struct hda_pcm *pcm_info;
534
535 /* codec specific info */
536 void *spec;
537
538 /* hash for amp access */
539 u16 amp_hash[32];
540 int num_amp_entries;
541 struct hda_amp_info amp_info[128]; /* big enough? */
542
543 struct semaphore spdif_mutex;
544 unsigned int spdif_status; /* IEC958 status bits */
545 unsigned short spdif_ctls; /* SPDIF control bits */
546 unsigned int spdif_in_enable; /* SPDIF input enable? */
547};
548
549/* direction */
550enum {
551 HDA_INPUT, HDA_OUTPUT
552};
553
554
555/*
556 * constructors
557 */
558int snd_hda_bus_new(snd_card_t *card, const struct hda_bus_template *temp,
559 struct hda_bus **busp);
560int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
561 struct hda_codec **codecp);
562
563/*
564 * low level functions
565 */
566unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct,
567 unsigned int verb, unsigned int parm);
568int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
569 unsigned int verb, unsigned int parm);
570#define snd_hda_param_read(codec, nid, param) snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param)
571int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id);
572int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *conn_list, int max_conns);
573
574struct hda_verb {
575 hda_nid_t nid;
576 u32 verb;
577 u32 param;
578};
579
580void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq);
581
582/* unsolicited event */
583int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex);
584
585/*
586 * Mixer
587 */
588int snd_hda_build_controls(struct hda_bus *bus);
589
590/*
591 * PCM
592 */
593int snd_hda_build_pcms(struct hda_bus *bus);
594void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag,
595 int channel_id, int format);
596unsigned int snd_hda_calc_stream_format(unsigned int rate, unsigned int channels,
597 unsigned int format, unsigned int maxbps);
598int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
599 u32 *ratesp, u64 *formatsp, unsigned int *bpsp);
600int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
601 unsigned int format);
602
603/*
604 * Misc
605 */
606void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
607
608/*
609 * power management
610 */
611#ifdef CONFIG_PM
612int snd_hda_suspend(struct hda_bus *bus, pm_message_t state);
613int snd_hda_resume(struct hda_bus *bus);
614#endif
615
616#endif /* __SOUND_HDA_CODEC_H */