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_1 0x0f0d
81 #define AC_VERB_GET_DIGI_CONVERT_2 0x0f0e
82 #define AC_VERB_GET_VOLUME_KNOB_CONTROL 0x0f0f
84 #define AC_VERB_GET_GPIO_DATA 0x0f15
85 #define AC_VERB_GET_GPIO_MASK 0x0f16
86 #define AC_VERB_GET_GPIO_DIRECTION 0x0f17
87 #define AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK 0x0f19
88 #define AC_VERB_GET_CONFIG_DEFAULT 0x0f1c
90 #define AC_VERB_GET_SUBSYSTEM_ID 0x0f20
95 #define AC_VERB_SET_STREAM_FORMAT 0x200
96 #define AC_VERB_SET_AMP_GAIN_MUTE 0x300
97 #define AC_VERB_SET_PROC_COEF 0x400
98 #define AC_VERB_SET_COEF_INDEX 0x500
99 #define AC_VERB_SET_CONNECT_SEL 0x701
100 #define AC_VERB_SET_PROC_STATE 0x703
101 #define AC_VERB_SET_SDI_SELECT 0x704
102 #define AC_VERB_SET_POWER_STATE 0x705
103 #define AC_VERB_SET_CHANNEL_STREAMID 0x706
104 #define AC_VERB_SET_PIN_WIDGET_CONTROL 0x707
105 #define AC_VERB_SET_UNSOLICITED_ENABLE 0x708
106 #define AC_VERB_SET_PIN_SENSE 0x709
107 #define AC_VERB_SET_BEEP_CONTROL 0x70a
108 #define AC_VERB_SET_EAPD_BTLENABLE 0x70c
109 #define AC_VERB_SET_DIGI_CONVERT_1 0x70d
110 #define AC_VERB_SET_DIGI_CONVERT_2 0x70e
111 #define AC_VERB_SET_VOLUME_KNOB_CONTROL 0x70f
112 #define AC_VERB_SET_GPIO_DATA 0x715
113 #define AC_VERB_SET_GPIO_MASK 0x716
114 #define AC_VERB_SET_GPIO_DIRECTION 0x717
115 #define AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK 0x719
116 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_0 0x71c
117 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_1 0x71d
118 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_2 0x71e
119 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_3 0x71f
120 #define AC_VERB_SET_CODEC_RESET 0x7ff
125 #define AC_PAR_VENDOR_ID 0x00
126 #define AC_PAR_SUBSYSTEM_ID 0x01
127 #define AC_PAR_REV_ID 0x02
128 #define AC_PAR_NODE_COUNT 0x04
129 #define AC_PAR_FUNCTION_TYPE 0x05
130 #define AC_PAR_AUDIO_FG_CAP 0x08
131 #define AC_PAR_AUDIO_WIDGET_CAP 0x09
132 #define AC_PAR_PCM 0x0a
133 #define AC_PAR_STREAM 0x0b
134 #define AC_PAR_PIN_CAP 0x0c
135 #define AC_PAR_AMP_IN_CAP 0x0d
136 #define AC_PAR_CONNLIST_LEN 0x0e
137 #define AC_PAR_POWER_STATE 0x0f
138 #define AC_PAR_PROC_CAP 0x10
139 #define AC_PAR_GPIO_CAP 0x11
140 #define AC_PAR_AMP_OUT_CAP 0x12
141 #define AC_PAR_VOL_KNB_CAP 0x13
144 * AC_VERB_PARAMETERS results (32bit)
147 /* Function Group Type */
148 #define AC_FGT_TYPE (0xff<<0)
149 #define AC_FGT_TYPE_SHIFT 0
150 #define AC_FGT_UNSOL_CAP (1<<8)
152 /* Audio Function Group Capabilities */
153 #define AC_AFG_OUT_DELAY (0xf<<0)
154 #define AC_AFG_IN_DELAY (0xf<<8)
155 #define AC_AFG_BEEP_GEN (1<<16)
157 /* Audio Widget Capabilities */
158 #define AC_WCAP_STEREO (1<<0) /* stereo I/O */
159 #define AC_WCAP_IN_AMP (1<<1) /* AMP-in present */
160 #define AC_WCAP_OUT_AMP (1<<2) /* AMP-out present */
161 #define AC_WCAP_AMP_OVRD (1<<3) /* AMP-parameter override */
162 #define AC_WCAP_FORMAT_OVRD (1<<4) /* format override */
163 #define AC_WCAP_STRIPE (1<<5) /* stripe */
164 #define AC_WCAP_PROC_WID (1<<6) /* Proc Widget */
165 #define AC_WCAP_UNSOL_CAP (1<<7) /* Unsol capable */
166 #define AC_WCAP_CONN_LIST (1<<8) /* connection list */
167 #define AC_WCAP_DIGITAL (1<<9) /* digital I/O */
168 #define AC_WCAP_POWER (1<<10) /* power control */
169 #define AC_WCAP_LR_SWAP (1<<11) /* L/R swap */
170 #define AC_WCAP_DELAY (0xf<<16)
171 #define AC_WCAP_DELAY_SHIFT 16
172 #define AC_WCAP_TYPE (0xf<<20)
173 #define AC_WCAP_TYPE_SHIFT 20
175 /* supported PCM rates and bits */
176 #define AC_SUPPCM_RATES (0xfff << 0)
177 #define AC_SUPPCM_BITS_8 (1<<16)
178 #define AC_SUPPCM_BITS_16 (1<<17)
179 #define AC_SUPPCM_BITS_20 (1<<18)
180 #define AC_SUPPCM_BITS_24 (1<<19)
181 #define AC_SUPPCM_BITS_32 (1<<20)
183 /* supported PCM stream format */
184 #define AC_SUPFMT_PCM (1<<0)
185 #define AC_SUPFMT_FLOAT32 (1<<1)
186 #define AC_SUPFMT_AC3 (1<<2)
188 /* Pin widget capabilies */
189 #define AC_PINCAP_IMP_SENSE (1<<0) /* impedance sense capable */
190 #define AC_PINCAP_TRIG_REQ (1<<1) /* trigger required */
191 #define AC_PINCAP_PRES_DETECT (1<<2) /* presence detect capable */
192 #define AC_PINCAP_HP_DRV (1<<3) /* headphone drive capable */
193 #define AC_PINCAP_OUT (1<<4) /* output capable */
194 #define AC_PINCAP_IN (1<<5) /* input capable */
195 #define AC_PINCAP_BALANCE (1<<6) /* balanced I/O capable */
196 /* Note: This LR_SWAP pincap is defined in the Realtek ALC883 specification,
197 * but is marked reserved in the Intel HDA specification.
199 #define AC_PINCAP_LR_SWAP (1<<7) /* L/R swap */
200 #define AC_PINCAP_VREF (0x37<<8)
201 #define AC_PINCAP_VREF_SHIFT 8
202 #define AC_PINCAP_EAPD (1<<16) /* EAPD capable */
203 /* Vref status (used in pin cap) */
204 #define AC_PINCAP_VREF_HIZ (1<<0) /* Hi-Z */
205 #define AC_PINCAP_VREF_50 (1<<1) /* 50% */
206 #define AC_PINCAP_VREF_GRD (1<<2) /* ground */
207 #define AC_PINCAP_VREF_80 (1<<4) /* 80% */
208 #define AC_PINCAP_VREF_100 (1<<5) /* 100% */
210 /* Amplifier capabilities */
211 #define AC_AMPCAP_OFFSET (0x7f<<0) /* 0dB offset */
212 #define AC_AMPCAP_OFFSET_SHIFT 0
213 #define AC_AMPCAP_NUM_STEPS (0x7f<<8) /* number of steps */
214 #define AC_AMPCAP_NUM_STEPS_SHIFT 8
215 #define AC_AMPCAP_STEP_SIZE (0x7f<<16) /* step size 0-32dB
218 #define AC_AMPCAP_STEP_SIZE_SHIFT 16
219 #define AC_AMPCAP_MUTE (1<<31) /* mute capable */
220 #define AC_AMPCAP_MUTE_SHIFT 31
222 /* Connection list */
223 #define AC_CLIST_LENGTH (0x7f<<0)
224 #define AC_CLIST_LONG (1<<7)
226 /* Supported power status */
227 #define AC_PWRST_D0SUP (1<<0)
228 #define AC_PWRST_D1SUP (1<<1)
229 #define AC_PWRST_D2SUP (1<<2)
230 #define AC_PWRST_D3SUP (1<<3)
232 /* Power state values */
233 #define AC_PWRST_D0 0x00
234 #define AC_PWRST_D1 0x01
235 #define AC_PWRST_D2 0x02
236 #define AC_PWRST_D3 0x03
238 /* Processing capabilies */
239 #define AC_PCAP_BENIGN (1<<0)
240 #define AC_PCAP_NUM_COEF (0xff<<8)
242 /* Volume knobs capabilities */
243 #define AC_KNBCAP_NUM_STEPS (0x7f<<0)
244 #define AC_KNBCAP_DELTA (1<<7)
251 #define AC_AMP_MUTE (1<<7)
252 #define AC_AMP_GAIN (0x7f)
253 #define AC_AMP_GET_INDEX (0xf<<0)
255 #define AC_AMP_GET_LEFT (1<<13)
256 #define AC_AMP_GET_RIGHT (0<<13)
257 #define AC_AMP_GET_OUTPUT (1<<15)
258 #define AC_AMP_GET_INPUT (0<<15)
260 #define AC_AMP_SET_INDEX (0xf<<8)
261 #define AC_AMP_SET_INDEX_SHIFT 8
262 #define AC_AMP_SET_RIGHT (1<<12)
263 #define AC_AMP_SET_LEFT (1<<13)
264 #define AC_AMP_SET_INPUT (1<<14)
265 #define AC_AMP_SET_OUTPUT (1<<15)
268 #define AC_DIG1_ENABLE (1<<0)
269 #define AC_DIG1_V (1<<1)
270 #define AC_DIG1_VCFG (1<<2)
271 #define AC_DIG1_EMPHASIS (1<<3)
272 #define AC_DIG1_COPYRIGHT (1<<4)
273 #define AC_DIG1_NONAUDIO (1<<5)
274 #define AC_DIG1_PROFESSIONAL (1<<6)
275 #define AC_DIG1_LEVEL (1<<7)
277 /* Pin widget control - 8bit */
278 #define AC_PINCTL_VREFEN (0x7<<0)
279 #define AC_PINCTL_VREF_HIZ 0 /* Hi-Z */
280 #define AC_PINCTL_VREF_50 1 /* 50% */
281 #define AC_PINCTL_VREF_GRD 2 /* ground */
282 #define AC_PINCTL_VREF_80 4 /* 80% */
283 #define AC_PINCTL_VREF_100 5 /* 100% */
284 #define AC_PINCTL_IN_EN (1<<5)
285 #define AC_PINCTL_OUT_EN (1<<6)
286 #define AC_PINCTL_HP_EN (1<<7)
288 /* Unsolicited response - 8bit */
289 #define AC_USRSP_EN (1<<7)
291 /* configuration default - 32bit */
292 #define AC_DEFCFG_SEQUENCE (0xf<<0)
293 #define AC_DEFCFG_DEF_ASSOC (0xf<<4)
294 #define AC_DEFCFG_ASSOC_SHIFT 4
295 #define AC_DEFCFG_MISC (0xf<<8)
296 #define AC_DEFCFG_MISC_SHIFT 8
297 #define AC_DEFCFG_COLOR (0xf<<12)
298 #define AC_DEFCFG_COLOR_SHIFT 12
299 #define AC_DEFCFG_CONN_TYPE (0xf<<16)
300 #define AC_DEFCFG_CONN_TYPE_SHIFT 16
301 #define AC_DEFCFG_DEVICE (0xf<<20)
302 #define AC_DEFCFG_DEVICE_SHIFT 20
303 #define AC_DEFCFG_LOCATION (0x3f<<24)
304 #define AC_DEFCFG_LOCATION_SHIFT 24
305 #define AC_DEFCFG_PORT_CONN (0x3<<30)
306 #define AC_DEFCFG_PORT_CONN_SHIFT 30
308 /* device device types (0x0-0xf) */
315 AC_JACK_DIG_OTHER_OUT,
316 AC_JACK_MODEM_LINE_SIDE,
317 AC_JACK_MODEM_HAND_SIDE,
323 AC_JACK_DIG_OTHER_IN,
327 /* jack connection types (0x0-0xf) */
329 AC_JACK_CONN_UNKNOWN,
334 AC_JACK_CONN_OPTICAL,
335 AC_JACK_CONN_OTHER_DIGITAL,
336 AC_JACK_CONN_OTHER_ANALOG,
341 AC_JACK_CONN_OTHER = 0xf,
344 /* jack colors (0x0-0xf) */
346 AC_JACK_COLOR_UNKNOWN,
352 AC_JACK_COLOR_ORANGE,
353 AC_JACK_COLOR_YELLOW,
354 AC_JACK_COLOR_PURPLE,
356 AC_JACK_COLOR_WHITE = 0xe,
360 /* Jack location (0x0-0x3f) */
373 AC_JACK_LOC_EXTERNAL = 0x00,
374 AC_JACK_LOC_INTERNAL = 0x10,
375 AC_JACK_LOC_SEPARATE = 0x20,
376 AC_JACK_LOC_OTHER = 0x30,
379 /* external on primary chasis */
380 AC_JACK_LOC_REAR_PANEL = 0x07,
381 AC_JACK_LOC_DRIVE_BAY,
383 AC_JACK_LOC_RISER = 0x17,
387 AC_JACK_LOC_MOBILE_IN = 0x37,
388 AC_JACK_LOC_MOBILE_OUT,
391 /* Port connectivity (0-3) */
393 AC_JACK_PORT_COMPLEX,
399 /* max. connections to a widget */
400 #define HDA_MAX_CONNECTIONS 32
402 /* max. codec address */
403 #define HDA_MAX_CODEC_ADDRESS 0x0f
412 struct hda_pcm_stream;
413 struct hda_bus_unsolicited;
416 typedef u16 hda_nid_t;
420 /* send a single command */
421 int (*command)(struct hda_codec *codec, hda_nid_t nid, int direct,
422 unsigned int verb, unsigned int parm);
423 /* get a response from the last command */
424 unsigned int (*get_response)(struct hda_codec *codec);
425 /* free the private data */
426 void (*private_free)(struct hda_bus *);
427 #ifdef CONFIG_SND_HDA_POWER_SAVE
428 /* notify power-up/down from codec to controller */
429 void (*pm_notify)(struct hda_codec *codec);
433 /* template to pass to the bus constructor */
434 struct hda_bus_template {
437 const char *modelname;
438 struct hda_bus_ops ops;
444 * each controller needs to creata a hda_bus to assign the accessor.
445 * A hda_bus contains several codecs in the list codec_list.
448 struct snd_card *card;
450 /* copied from template */
453 const char *modelname;
454 struct hda_bus_ops ops;
456 /* codec linked list */
457 struct list_head codec_list;
458 /* link caddr -> codec */
459 struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1];
461 struct mutex cmd_mutex;
463 /* unsolicited event queue */
464 struct hda_bus_unsolicited *unsol;
466 struct snd_info_entry *proc;
472 * Known codecs have the patch to build and set up the controls/PCMs
473 * better than the generic parser.
475 struct hda_codec_preset {
479 unsigned int subs_mask;
482 int (*patch)(struct hda_codec *codec);
485 /* ops set by the preset patch */
486 struct hda_codec_ops {
487 int (*build_controls)(struct hda_codec *codec);
488 int (*build_pcms)(struct hda_codec *codec);
489 int (*init)(struct hda_codec *codec);
490 void (*free)(struct hda_codec *codec);
491 void (*unsol_event)(struct hda_codec *codec, unsigned int res);
492 #ifdef SND_HDA_NEEDS_RESUME
493 int (*suspend)(struct hda_codec *codec, pm_message_t state);
494 int (*resume)(struct hda_codec *codec);
496 #ifdef CONFIG_SND_HDA_POWER_SAVE
497 int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
501 /* record for amp information cache */
502 struct hda_cache_head {
503 u32 key; /* hash key */
504 u16 val; /* assigned value */
505 u16 next; /* next link; -1 = terminal */
508 struct hda_amp_info {
509 struct hda_cache_head head;
510 u32 amp_caps; /* amp capabilities */
511 u16 vol[2]; /* current volume & mute */
514 struct hda_cache_rec {
515 u16 hash[64]; /* hash table for index */
516 unsigned int num_entries; /* number of assigned entries */
517 unsigned int size; /* allocated size */
518 unsigned int record_size; /* record size (including header) */
519 void *buffer; /* hash table entries */
524 int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
525 struct snd_pcm_substream *substream);
526 int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
527 struct snd_pcm_substream *substream);
528 int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
529 unsigned int stream_tag, unsigned int format,
530 struct snd_pcm_substream *substream);
531 int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
532 struct snd_pcm_substream *substream);
535 /* PCM information for each substream */
536 struct hda_pcm_stream {
537 unsigned int substreams; /* number of substreams, 0 = not exist*/
538 unsigned int channels_min; /* min. number of channels */
539 unsigned int channels_max; /* max. number of channels */
540 hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */
541 u32 rates; /* supported rates */
542 u64 formats; /* supported formats (SNDRV_PCM_FMTBIT_) */
543 unsigned int maxbps; /* supported max. bit per sample */
544 struct hda_pcm_ops ops;
547 /* for PCM creation */
550 struct hda_pcm_stream stream[2];
551 unsigned int is_modem; /* modem codec? */
554 /* codec information */
557 unsigned int addr; /* codec addr*/
558 struct list_head list; /* list point */
560 hda_nid_t afg; /* AFG node id */
561 hda_nid_t mfg; /* MFG node id */
568 /* detected preset */
569 const struct hda_codec_preset *preset;
572 struct hda_codec_ops patch_ops;
574 /* PCM to create, set by patch_ops.build_pcms callback */
575 unsigned int num_pcms;
576 struct hda_pcm *pcm_info;
578 /* codec specific info */
581 /* widget capabilities cache */
582 unsigned int num_nodes;
586 struct hda_cache_rec amp_cache; /* cache for amp access */
587 struct hda_cache_rec cmd_cache; /* cache for other commands */
589 struct mutex spdif_mutex;
590 unsigned int spdif_status; /* IEC958 status bits */
591 unsigned short spdif_ctls; /* SPDIF control bits */
592 unsigned int spdif_in_enable; /* SPDIF input enable? */
594 struct snd_hwdep *hwdep; /* assigned hwdep device */
596 #ifdef CONFIG_SND_HDA_POWER_SAVE
597 unsigned int power_on :1; /* current (global) power-state */
598 unsigned int power_transition :1; /* power-state in transition */
599 int power_count; /* current (global) power refcount */
600 struct delayed_work power_work; /* delayed task for powerdown */
606 HDA_INPUT, HDA_OUTPUT
613 int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp,
614 struct hda_bus **busp);
615 int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
616 struct hda_codec **codecp);
619 * low level functions
621 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
623 unsigned int verb, unsigned int parm);
624 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
625 unsigned int verb, unsigned int parm);
626 #define snd_hda_param_read(codec, nid, param) \
627 snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param)
628 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
629 hda_nid_t *start_id);
630 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
631 hda_nid_t *conn_list, int max_conns);
639 void snd_hda_sequence_write(struct hda_codec *codec,
640 const struct hda_verb *seq);
642 /* unsolicited event */
643 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex);
646 #ifdef SND_HDA_NEEDS_RESUME
647 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
648 int direct, unsigned int verb, unsigned int parm);
649 void snd_hda_sequence_write_cache(struct hda_codec *codec,
650 const struct hda_verb *seq);
651 void snd_hda_codec_resume_cache(struct hda_codec *codec);
653 #define snd_hda_codec_write_cache snd_hda_codec_write
654 #define snd_hda_sequence_write_cache snd_hda_sequence_write
660 int snd_hda_build_controls(struct hda_bus *bus);
665 int snd_hda_build_pcms(struct hda_bus *bus);
666 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
668 int channel_id, int format);
669 unsigned int snd_hda_calc_stream_format(unsigned int rate,
670 unsigned int channels,
672 unsigned int maxbps);
673 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
674 u32 *ratesp, u64 *formatsp, unsigned int *bpsp);
675 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
676 unsigned int format);
681 void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
687 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state);
688 int snd_hda_resume(struct hda_bus *bus);
694 #ifdef CONFIG_SND_HDA_POWER_SAVE
695 void snd_hda_power_up(struct hda_codec *codec);
696 void snd_hda_power_down(struct hda_codec *codec);
697 #define snd_hda_codec_needs_resume(codec) codec->power_count
698 int snd_hda_codecs_inuse(struct hda_bus *bus);
700 static inline void snd_hda_power_up(struct hda_codec *codec) {}
701 static inline void snd_hda_power_down(struct hda_codec *codec) {}
702 #define snd_hda_codec_needs_resume(codec) 1
703 #define snd_hda_codecs_inuse(bus) 1
706 #endif /* __SOUND_HDA_CODEC_H */