sound/pci/hda/hda_codec.h

   1 /*
   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  */
  36 enum {
  37         AC_GRP_AUDIO_FUNCTION = 0x01,
  38         AC_GRP_MODEM_FUNCTION = 0x02,
  39 };
  40
  41 /*
  42  * widget types
  43  */
  44 enum {
  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 */
  78 #define AC_VERB_GET_CONFIG_DEFAULT              0x0f1c
  79
  80 /*
  81  * SET verbs
  82  */
  83 #define AC_VERB_SET_STREAM_FORMAT               0x200
  84 #define AC_VERB_SET_AMP_GAIN_MUTE               0x300
  85 #define AC_VERB_SET_PROC_COEF                   0x400
  86 #define AC_VERB_SET_COEF_INDEX                  0x500
  87 #define AC_VERB_SET_CONNECT_SEL                 0x701
  88 #define AC_VERB_SET_PROC_STATE                  0x703
  89 #define AC_VERB_SET_SDI_SELECT                  0x704
  90 #define AC_VERB_SET_POWER_STATE                 0x705
  91 #define AC_VERB_SET_CHANNEL_STREAMID            0x706
  92 #define AC_VERB_SET_PIN_WIDGET_CONTROL          0x707
  93 #define AC_VERB_SET_UNSOLICITED_ENABLE          0x708
  94 #define AC_VERB_SET_PIN_SENSE                   0x709
  95 #define AC_VERB_SET_BEEP_CONTROL                0x70a
  96 #define AC_VERB_SET_EAPD_BTLENALBE              0x70c
  97 #define AC_VERB_SET_DIGI_CONVERT_1              0x70d
  98 #define AC_VERB_SET_DIGI_CONVERT_2              0x70e
  99 #define AC_VERB_SET_VOLUME_KNOB_CONTROL         0x70f
 100 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_0      0x71c
 101 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_1      0x71d
 102 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_2      0x71e
 103 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_3      0x71f
 104 #define AC_VERB_SET_CODEC_RESET                 0x7ff
 105
 106 /*
 107  * Parameter IDs
 108  */
 109 #define AC_PAR_VENDOR_ID                0x00
 110 #define AC_PAR_SUBSYSTEM_ID             0x01
 111 #define AC_PAR_REV_ID                   0x02
 112 #define AC_PAR_NODE_COUNT               0x04
 113 #define AC_PAR_FUNCTION_TYPE            0x05
 114 #define AC_PAR_AUDIO_FG_CAP             0x08
 115 #define AC_PAR_AUDIO_WIDGET_CAP         0x09
 116 #define AC_PAR_PCM                      0x0a
 117 #define AC_PAR_STREAM                   0x0b
 118 #define AC_PAR_PIN_CAP                  0x0c
 119 #define AC_PAR_AMP_IN_CAP               0x0d
 120 #define AC_PAR_CONNLIST_LEN             0x0e
 121 #define AC_PAR_POWER_STATE              0x0f
 122 #define AC_PAR_PROC_CAP                 0x10
 123 #define AC_PAR_GPIO_CAP                 0x11
 124 #define AC_PAR_AMP_OUT_CAP              0x12
 125
 126 /*
 127  * AC_VERB_PARAMETERS results (32bit)
 128  */
 129
 130 /* Function Group Type */
 131 #define AC_FGT_TYPE                     (0xff<<0)
 132 #define AC_FGT_TYPE_SHIFT               0
 133 #define AC_FGT_UNSOL_CAP                (1<<8)
 134
 135 /* Audio Function Group Capabilities */
 136 #define AC_AFG_OUT_DELAY                (0xf<<0)
 137 #define AC_AFG_IN_DELAY                 (0xf<<8)
 138 #define AC_AFG_BEEP_GEN                 (1<<16)
 139
 140 /* Audio Widget Capabilities */
 141 #define AC_WCAP_STEREO                  (1<<0)  /* stereo I/O */
 142 #define AC_WCAP_IN_AMP                  (1<<1)  /* AMP-in present */
 143 #define AC_WCAP_OUT_AMP                 (1<<2)  /* AMP-out present */
 144 #define AC_WCAP_AMP_OVRD                (1<<3)  /* AMP-parameter override */
 145 #define AC_WCAP_FORMAT_OVRD             (1<<4)  /* format override */
 146 #define AC_WCAP_STRIPE                  (1<<5)  /* stripe */
 147 #define AC_WCAP_PROC_WID                (1<<6)  /* Proc Widget */
 148 #define AC_WCAP_UNSOL_CAP               (1<<7)  /* Unsol capable */
 149 #define AC_WCAP_CONN_LIST               (1<<8)  /* connection list */
 150 #define AC_WCAP_DIGITAL                 (1<<9)  /* digital I/O */
 151 #define AC_WCAP_POWER                   (1<<10) /* power control */
 152 #define AC_WCAP_LR_SWAP                 (1<<11) /* L/R swap */
 153 #define AC_WCAP_DELAY                   (0xf<<16)
 154 #define AC_WCAP_DELAY_SHIFT             16
 155 #define AC_WCAP_TYPE                    (0xf<<20)
 156 #define AC_WCAP_TYPE_SHIFT              20
 157
 158 /* supported PCM rates and bits */
 159 #define AC_SUPPCM_RATES                 (0xfff << 0)
 160 #define AC_SUPPCM_BITS_8                (1<<16)
 161 #define AC_SUPPCM_BITS_16               (1<<17)
 162 #define AC_SUPPCM_BITS_20               (1<<18)
 163 #define AC_SUPPCM_BITS_24               (1<<19)
 164 #define AC_SUPPCM_BITS_32               (1<<20)
 165
 166 /* supported PCM stream format */
 167 #define AC_SUPFMT_PCM                   (1<<0)
 168 #define AC_SUPFMT_FLOAT32               (1<<1)
 169 #define AC_SUPFMT_AC3                   (1<<2)
 170
 171 /* Pin widget capabilies */
 172 #define AC_PINCAP_IMP_SENSE             (1<<0)  /* impedance sense capable */
 173 #define AC_PINCAP_TRIG_REQ              (1<<1)  /* trigger required */
 174 #define AC_PINCAP_PRES_DETECT           (1<<2)  /* presence detect capable */
 175 #define AC_PINCAP_HP_DRV                (1<<3)  /* headphone drive capable */
 176 #define AC_PINCAP_OUT                   (1<<4)  /* output capable */
 177 #define AC_PINCAP_IN                    (1<<5)  /* input capable */
 178 #define AC_PINCAP_BALANCE               (1<<6)  /* balanced I/O capable */
 179 #define AC_PINCAP_VREF                  (7<<8)
 180 #define AC_PINCAP_VREF_SHIFT            8
 181 #define AC_PINCAP_EAPD                  (1<<16) /* EAPD capable */
 182 /* Vref status (used in pin cap and pin ctl) */
 183 #define AC_PIN_VREF_HIZ                 (1<<0)  /* Hi-Z */
 184 #define AC_PIN_VREF_50                  (1<<1)  /* 50% */
 185 #define AC_PIN_VREF_GRD                 (1<<2)  /* ground */
 186 #define AC_PIN_VREF_80                  (1<<4)  /* 80% */
 187 #define AC_PIN_VREF_100                 (1<<5)  /* 100% */
 188
 189
 190 /* Amplifier capabilities */
 191 #define AC_AMPCAP_OFFSET                (0x7f<<0)  /* 0dB offset */
 192 #define AC_AMPCAP_OFFSET_SHIFT          0
 193 #define AC_AMPCAP_NUM_STEPS             (0x7f<<8)  /* number of steps */
 194 #define AC_AMPCAP_NUM_STEPS_SHIFT       8
 195 #define AC_AMPCAP_STEP_SIZE             (0x7f<<16) /* step size 0-32dB in 0.25dB */
 196 #define AC_AMPCAP_STEP_SIZE_SHIFT       16
 197 #define AC_AMPCAP_MUTE                  (1<<31)    /* mute capable */
 198 #define AC_AMPCAP_MUTE_SHIFT            31
 199
 200 /* Connection list */
 201 #define AC_CLIST_LENGTH                 (0x7f<<0)
 202 #define AC_CLIST_LONG                   (1<<7)
 203
 204 /* Supported power status */
 205 #define AC_PWRST_D0SUP                  (1<<0)
 206 #define AC_PWRST_D1SUP                  (1<<1)
 207 #define AC_PWRST_D2SUP                  (1<<2)
 208 #define AC_PWRST_D3SUP                  (1<<3)
 209
 210 /* Processing capabilies */
 211 #define AC_PCAP_BENIGN                  (1<<0)
 212 #define AC_PCAP_NUM_COEF                (0xff<<8)
 213
 214 /* Volume knobs capabilities */
 215 #define AC_KNBCAP_NUM_STEPS             (0x7f<<0)
 216 #define AC_KNBCAP_DELTA                 (1<<8)
 217
 218 /*
 219  * Control Parameters
 220  */
 221
 222 /* Amp gain/mute */
 223 #define AC_AMP_MUTE                     (1<<8)
 224 #define AC_AMP_GAIN                     (0x7f)
 225 #define AC_AMP_GET_INDEX                (0xf<<0)
 226
 227 #define AC_AMP_GET_LEFT                 (1<<13)
 228 #define AC_AMP_GET_RIGHT                (0<<13)
 229 #define AC_AMP_GET_OUTPUT               (1<<15)
 230 #define AC_AMP_GET_INPUT                (0<<15)
 231
 232 #define AC_AMP_SET_INDEX                (0xf<<8)
 233 #define AC_AMP_SET_INDEX_SHIFT          8
 234 #define AC_AMP_SET_RIGHT                (1<<12)
 235 #define AC_AMP_SET_LEFT                 (1<<13)
 236 #define AC_AMP_SET_INPUT                (1<<14)
 237 #define AC_AMP_SET_OUTPUT               (1<<15)
 238
 239 /* DIGITAL1 bits */
 240 #define AC_DIG1_ENABLE                  (1<<0)
 241 #define AC_DIG1_V                       (1<<1)
 242 #define AC_DIG1_VCFG                    (1<<2)
 243 #define AC_DIG1_EMPHASIS                (1<<3)
 244 #define AC_DIG1_COPYRIGHT               (1<<4)
 245 #define AC_DIG1_NONAUDIO                (1<<5)
 246 #define AC_DIG1_PROFESSIONAL            (1<<6)
 247 #define AC_DIG1_LEVEL                   (1<<7)
 248
 249 /* Pin widget control - 8bit */
 250 #define AC_PINCTL_VREFEN                (0x7<<0)
 251 #define AC_PINCTL_IN_EN                 (1<<5)
 252 #define AC_PINCTL_OUT_EN                (1<<6)
 253 #define AC_PINCTL_HP_EN                 (1<<7)
 254
 255 /* configuration default - 32bit */
 256 #define AC_DEFCFG_SEQUENCE              (0xf<<0)
 257 #define AC_DEFCFG_DEF_ASSOC             (0xf<<4)
 258 #define AC_DEFCFG_MISC                  (0xf<<8)
 259 #define AC_DEFCFG_COLOR                 (0xf<<12)
 260 #define AC_DEFCFG_COLOR_SHIFT           12
 261 #define AC_DEFCFG_CONN_TYPE             (0xf<<16)
 262 #define AC_DEFCFG_CONN_TYPE_SHIFT       16
 263 #define AC_DEFCFG_DEVICE                (0xf<<20)
 264 #define AC_DEFCFG_DEVICE_SHIFT          20
 265 #define AC_DEFCFG_LOCATION              (0x3f<<24)
 266 #define AC_DEFCFG_LOCATION_SHIFT        24
 267 #define AC_DEFCFG_PORT_CONN             (0x3<<30)
 268 #define AC_DEFCFG_PORT_CONN_SHIFT       30
 269
 270 /* device device types (0x0-0xf) */
 271 enum {
 272         AC_JACK_LINE_OUT,
 273         AC_JACK_SPEAKER,
 274         AC_JACK_HP_OUT,
 275         AC_JACK_CD,
 276         AC_JACK_SPDIF_OUT,
 277         AC_JACK_DIG_OTHER_OUT,
 278         AC_JACK_MODEM_LINE_SIDE,
 279         AC_JACK_MODEM_HAND_SIDE,
 280         AC_JACK_LINE_IN,
 281         AC_JACK_AUX,
 282         AC_JACK_MIC_IN,
 283         AC_JACK_TELEPHONY,
 284         AC_JACK_SPDIF_IN,
 285         AC_JACK_DIG_OTHER_IN,
 286         AC_JACK_OTHER = 0xf,
 287 };
 288
 289 /* jack connection types (0x0-0xf) */
 290 enum {
 291         AC_JACK_CONN_UNKNOWN,
 292         AC_JACK_CONN_1_8,
 293         AC_JACK_CONN_1_4,
 294         AC_JACK_CONN_ATAPI,
 295         AC_JACK_CONN_RCA,
 296         AC_JACK_CONN_OPTICAL,
 297         AC_JACK_CONN_OTHER_DIGITAL,
 298         AC_JACK_CONN_OTHER_ANALOG,
 299         AC_JACK_CONN_DIN,
 300         AC_JACK_CONN_XLR,
 301         AC_JACK_CONN_RJ11,
 302         AC_JACK_CONN_COMB,
 303         AC_JACK_CONN_OTHER = 0xf,
 304 };
 305
 306 /* jack colors (0x0-0xf) */
 307 enum {
 308         AC_JACK_COLOR_UNKNOWN,
 309         AC_JACK_COLOR_BLACK,
 310         AC_JACK_COLOR_GREY,
 311         AC_JACK_COLOR_BLUE,
 312         AC_JACK_COLOR_GREEN,
 313         AC_JACK_COLOR_RED,
 314         AC_JACK_COLOR_ORANGE,
 315         AC_JACK_COLOR_YELLOW,
 316         AC_JACK_COLOR_PURPLE,
 317         AC_JACK_COLOR_PINK,
 318         AC_JACK_COLOR_WHITE = 0xe,
 319         AC_JACK_COLOR_OTHER,
 320 };
 321
 322 /* Jack location (0x0-0x3f) */
 323 /* common case */
 324 enum {
 325         AC_JACK_LOC_NONE,
 326         AC_JACK_LOC_REAR,
 327         AC_JACK_LOC_FRONT,
 328         AC_JACK_LOC_LEFT,
 329         AC_JACK_LOC_RIGHT,
 330         AC_JACK_LOC_TOP,
 331         AC_JACK_LOC_BOTTOM,
 332 };
 333 /* bits 4-5 */
 334 enum {
 335         AC_JACK_LOC_EXTERNAL = 0x00,
 336         AC_JACK_LOC_INTERNAL = 0x10,
 337         AC_JACK_LOC_SEPARATE = 0x20,
 338         AC_JACK_LOC_OTHER    = 0x30,
 339 };
 340 enum {
 341         /* external on primary chasis */
 342         AC_JACK_LOC_REAR_PANEL = 0x07,
 343         AC_JACK_LOC_DRIVE_BAY,
 344         /* internal */
 345         AC_JACK_LOC_RISER = 0x17,
 346         AC_JACK_LOC_HDMI,
 347         AC_JACK_LOC_ATAPI,
 348         /* others */
 349         AC_JACK_LOC_MOBILE_IN = 0x37,
 350         AC_JACK_LOC_MOBILE_OUT,
 351 };
 352
 353 /* Port connectivity (0-3) */
 354 enum {
 355         AC_JACK_PORT_COMPLEX,
 356         AC_JACK_PORT_NONE,
 357         AC_JACK_PORT_FIXED,
 358         AC_JACK_PORT_BOTH,
 359 };
 360
 361 /* max. connections to a widget */
 362 #define HDA_MAX_CONNECTIONS     16
 363
 364 /* max. codec address */
 365 #define HDA_MAX_CODEC_ADDRESS   0x0f
 366
 367 /*
 368  * Structures
 369  */
 370
 371 struct hda_bus;
 372 struct hda_codec;
 373 struct hda_pcm;
 374 struct hda_pcm_stream;
 375 struct hda_bus_unsolicited;
 376
 377 /* NID type */
 378 typedef u16 hda_nid_t;
 379
 380 /* bus operators */
 381 struct hda_bus_ops {
 382         /* send a single command */
 383         int (*command)(struct hda_codec *codec, hda_nid_t nid, int direct,
 384                        unsigned int verb, unsigned int parm);
 385         /* get a response from the last command */
 386         unsigned int (*get_response)(struct hda_codec *codec);
 387         /* free the private data */
 388         void (*private_free)(struct hda_bus *);
 389 };
 390
 391 /* template to pass to the bus constructor */
 392 struct hda_bus_template {
 393         void *private_data;
 394         struct pci_dev *pci;
 395         const char *modelname;
 396         struct hda_bus_ops ops;
 397 };
 398
 399 /*
 400  * codec bus
 401  *
 402  * each controller needs to creata a hda_bus to assign the accessor.
 403  * A hda_bus contains several codecs in the list codec_list.
 404  */
 405 struct hda_bus {
 406         snd_card_t *card;
 407
 408         /* copied from template */
 409         void *private_data;
 410         struct pci_dev *pci;
 411         const char *modelname;
 412         struct hda_bus_ops ops;
 413
 414         /* codec linked list */
 415         struct list_head codec_list;
 416         struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS]; /* caddr -> codec */
 417
 418         struct semaphore cmd_mutex;
 419
 420         /* unsolicited event queue */
 421         struct hda_bus_unsolicited *unsol;
 422
 423         snd_info_entry_t *proc;
 424 };
 425
 426 /*
 427  * codec preset
 428  *
 429  * Known codecs have the patch to build and set up the controls/PCMs
 430  * better than the generic parser.
 431  */
 432 struct hda_codec_preset {
 433         unsigned int id;
 434         unsigned int mask;
 435         unsigned int subs;
 436         unsigned int subs_mask;
 437         unsigned int rev;
 438         const char *name;
 439         int (*patch)(struct hda_codec *codec);
 440 };
 441
 442 /* ops set by the preset patch */
 443 struct hda_codec_ops {
 444         int (*build_controls)(struct hda_codec *codec);
 445         int (*build_pcms)(struct hda_codec *codec);
 446         int (*init)(struct hda_codec *codec);
 447         void (*free)(struct hda_codec *codec);
 448         void (*unsol_event)(struct hda_codec *codec, unsigned int res);
 449 #ifdef CONFIG_PM
 450         int (*suspend)(struct hda_codec *codec, pm_message_t state);
 451         int (*resume)(struct hda_codec *codec);
 452 #endif
 453 };
 454
 455 /* record for amp information cache */
 456 struct hda_amp_info {
 457         u32 key;                /* hash key */
 458         u32 amp_caps;           /* amp capabilities */
 459         u16 vol[2];             /* current volume & mute*/
 460         u16 status;             /* update flag */
 461         u16 next;               /* next link */
 462 };
 463
 464 /* PCM callbacks */
 465 struct hda_pcm_ops {
 466         int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
 467                     snd_pcm_substream_t *substream);
 468         int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
 469                      snd_pcm_substream_t *substream);
 470         int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
 471                        unsigned int stream_tag, unsigned int format,
 472                        snd_pcm_substream_t *substream);
 473         int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
 474                        snd_pcm_substream_t *substream);
 475 };
 476
 477 /* PCM information for each substream */
 478 struct hda_pcm_stream {
 479         unsigned int substreams;        /* number of substreams, 0 = not exist */
 480         unsigned int channels_min;      /* min. number of channels */
 481         unsigned int channels_max;      /* max. number of channels */
 482         hda_nid_t nid;  /* default NID to query rates/formats/bps, or set up */
 483         u32 rates;      /* supported rates */
 484         u64 formats;    /* supported formats (SNDRV_PCM_FMTBIT_) */
 485         unsigned int maxbps;    /* supported max. bit per sample */
 486         struct hda_pcm_ops ops;
 487 };
 488
 489 /* for PCM creation */
 490 struct hda_pcm {
 491         char *name;
 492         struct hda_pcm_stream stream[2];
 493 };
 494
 495 /* codec information */
 496 struct hda_codec {
 497         struct hda_bus *bus;
 498         unsigned int addr;      /* codec addr*/
 499         struct list_head list;  /* list point */
 500
 501         hda_nid_t afg;  /* AFG node id */
 502
 503         /* ids */
 504         u32 vendor_id;
 505         u32 subsystem_id;
 506         u32 revision_id;
 507
 508         /* detected preset */
 509         const struct hda_codec_preset *preset;
 510
 511         /* set by patch */
 512         struct hda_codec_ops patch_ops;
 513
 514         /* resume phase - all controls should update even if
 515          * the values are not changed
 516          */
 517         unsigned int in_resume;
 518
 519         /* PCM to create, set by patch_ops.build_pcms callback */
 520         unsigned int num_pcms;
 521         struct hda_pcm *pcm_info;
 522
 523         /* codec specific info */
 524         void *spec;
 525
 526         /* hash for amp access */
 527         u16 amp_hash[32];
 528         int num_amp_entries;
 529         struct hda_amp_info amp_info[128]; /* big enough? */
 530
 531         struct semaphore spdif_mutex;
 532         unsigned int spdif_status;      /* IEC958 status bits */
 533         unsigned short spdif_ctls;      /* SPDIF control bits */
 534         unsigned int spdif_in_enable;   /* SPDIF input enable? */
 535 };
 536
 537 /* direction */
 538 enum {
 539         HDA_INPUT, HDA_OUTPUT
 540 };
 541
 542
 543 /*
 544  * constructors
 545  */
 546 int snd_hda_bus_new(snd_card_t *card, const struct hda_bus_template *temp,
 547                     struct hda_bus **busp);
 548 int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 549                       struct hda_codec **codecp);
 550
 551 /*
 552  * low level functions
 553  */
 554 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct,
 555                                 unsigned int verb, unsigned int parm);
 556 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 557                         unsigned int verb, unsigned int parm);
 558 #define snd_hda_param_read(codec, nid, param) snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param)
 559 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id);
 560 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *conn_list, int max_conns);
 561
 562 struct hda_verb {
 563         hda_nid_t nid;
 564         u32 verb;
 565         u32 param;
 566 };
 567
 568 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq);
 569
 570 /* unsolicited event */
 571 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex);
 572
 573 /*
 574  * Mixer
 575  */
 576 int snd_hda_build_controls(struct hda_bus *bus);
 577
 578 /*
 579  * PCM
 580  */
 581 int snd_hda_build_pcms(struct hda_bus *bus);
 582 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag,
 583                                 int channel_id, int format);
 584 unsigned int snd_hda_calc_stream_format(unsigned int rate, unsigned int channels,
 585                                         unsigned int format, unsigned int maxbps);
 586 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
 587                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp);
 588 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
 589                                 unsigned int format);
 590
 591 /*
 592  * Misc
 593  */
 594 void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
 595
 596 /*
 597  * power management
 598  */
 599 #ifdef CONFIG_PM
 600 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state);
 601 int snd_hda_resume(struct hda_bus *bus);
 602 #endif
 603
 604 #endif /* __SOUND_HDA_CODEC_H */