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_GPIO_DATA                   0x0f15
  79 #define AC_VERB_GET_GPIO_MASK                   0x0f16
  80 #define AC_VERB_GET_GPIO_DIRECTION              0x0f17
  81 #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
 103 #define AC_VERB_SET_GPIO_DATA                   0x715
 104 #define AC_VERB_SET_GPIO_MASK                   0x716
 105 #define AC_VERB_SET_GPIO_DIRECTION              0x717
 106 #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 */
 185 #define AC_PINCAP_VREF                  (0x37<<8)
 186 #define AC_PINCAP_VREF_SHIFT            8
 187 #define AC_PINCAP_EAPD                  (1<<16) /* EAPD capable */
 188 /* 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% */
 194
 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)
 256 #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% */
 261 #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 /* Unsolicited response - 8bit */
 266 #define AC_USRSP_EN                     (1<<7)
 267
 268 /* configuration default - 32bit */
 269 #define AC_DEFCFG_SEQUENCE              (0xf<<0)
 270 #define AC_DEFCFG_DEF_ASSOC             (0xf<<4)
 271 #define AC_DEFCFG_ASSOC_SHIFT           4
 272 #define AC_DEFCFG_MISC                  (0xf<<8)
 273 #define AC_DEFCFG_MISC_SHIFT            8
 274 #define AC_DEFCFG_COLOR                 (0xf<<12)
 275 #define AC_DEFCFG_COLOR_SHIFT           12
 276 #define AC_DEFCFG_CONN_TYPE             (0xf<<16)
 277 #define AC_DEFCFG_CONN_TYPE_SHIFT       16
 278 #define AC_DEFCFG_DEVICE                (0xf<<20)
 279 #define AC_DEFCFG_DEVICE_SHIFT          20
 280 #define AC_DEFCFG_LOCATION              (0x3f<<24)
 281 #define AC_DEFCFG_LOCATION_SHIFT        24
 282 #define AC_DEFCFG_PORT_CONN             (0x3<<30)
 283 #define AC_DEFCFG_PORT_CONN_SHIFT       30
 284
 285 /* device device types (0x0-0xf) */
 286 enum {
 287         AC_JACK_LINE_OUT,
 288         AC_JACK_SPEAKER,
 289         AC_JACK_HP_OUT,
 290         AC_JACK_CD,
 291         AC_JACK_SPDIF_OUT,
 292         AC_JACK_DIG_OTHER_OUT,
 293         AC_JACK_MODEM_LINE_SIDE,
 294         AC_JACK_MODEM_HAND_SIDE,
 295         AC_JACK_LINE_IN,
 296         AC_JACK_AUX,
 297         AC_JACK_MIC_IN,
 298         AC_JACK_TELEPHONY,
 299         AC_JACK_SPDIF_IN,
 300         AC_JACK_DIG_OTHER_IN,
 301         AC_JACK_OTHER = 0xf,
 302 };
 303
 304 /* jack connection types (0x0-0xf) */
 305 enum {
 306         AC_JACK_CONN_UNKNOWN,
 307         AC_JACK_CONN_1_8,
 308         AC_JACK_CONN_1_4,
 309         AC_JACK_CONN_ATAPI,
 310         AC_JACK_CONN_RCA,
 311         AC_JACK_CONN_OPTICAL,
 312         AC_JACK_CONN_OTHER_DIGITAL,
 313         AC_JACK_CONN_OTHER_ANALOG,
 314         AC_JACK_CONN_DIN,
 315         AC_JACK_CONN_XLR,
 316         AC_JACK_CONN_RJ11,
 317         AC_JACK_CONN_COMB,
 318         AC_JACK_CONN_OTHER = 0xf,
 319 };
 320
 321 /* jack colors (0x0-0xf) */
 322 enum {
 323         AC_JACK_COLOR_UNKNOWN,
 324         AC_JACK_COLOR_BLACK,
 325         AC_JACK_COLOR_GREY,
 326         AC_JACK_COLOR_BLUE,
 327         AC_JACK_COLOR_GREEN,
 328         AC_JACK_COLOR_RED,
 329         AC_JACK_COLOR_ORANGE,
 330         AC_JACK_COLOR_YELLOW,
 331         AC_JACK_COLOR_PURPLE,
 332         AC_JACK_COLOR_PINK,
 333         AC_JACK_COLOR_WHITE = 0xe,
 334         AC_JACK_COLOR_OTHER,
 335 };
 336
 337 /* Jack location (0x0-0x3f) */
 338 /* common case */
 339 enum {
 340         AC_JACK_LOC_NONE,
 341         AC_JACK_LOC_REAR,
 342         AC_JACK_LOC_FRONT,
 343         AC_JACK_LOC_LEFT,
 344         AC_JACK_LOC_RIGHT,
 345         AC_JACK_LOC_TOP,
 346         AC_JACK_LOC_BOTTOM,
 347 };
 348 /* bits 4-5 */
 349 enum {
 350         AC_JACK_LOC_EXTERNAL = 0x00,
 351         AC_JACK_LOC_INTERNAL = 0x10,
 352         AC_JACK_LOC_SEPARATE = 0x20,
 353         AC_JACK_LOC_OTHER    = 0x30,
 354 };
 355 enum {
 356         /* external on primary chasis */
 357         AC_JACK_LOC_REAR_PANEL = 0x07,
 358         AC_JACK_LOC_DRIVE_BAY,
 359         /* internal */
 360         AC_JACK_LOC_RISER = 0x17,
 361         AC_JACK_LOC_HDMI,
 362         AC_JACK_LOC_ATAPI,
 363         /* others */
 364         AC_JACK_LOC_MOBILE_IN = 0x37,
 365         AC_JACK_LOC_MOBILE_OUT,
 366 };
 367
 368 /* Port connectivity (0-3) */
 369 enum {
 370         AC_JACK_PORT_COMPLEX,
 371         AC_JACK_PORT_NONE,
 372         AC_JACK_PORT_FIXED,
 373         AC_JACK_PORT_BOTH,
 374 };
 375
 376 /* max. connections to a widget */
 377 #define HDA_MAX_CONNECTIONS     16
 378
 379 /* max. codec address */
 380 #define HDA_MAX_CODEC_ADDRESS   0x0f
 381
 382 /*
 383  * Structures
 384  */
 385
 386 struct hda_bus;
 387 struct hda_codec;
 388 struct hda_pcm;
 389 struct hda_pcm_stream;
 390 struct hda_bus_unsolicited;
 391
 392 /* NID type */
 393 typedef u16 hda_nid_t;
 394
 395 /* bus operators */
 396 struct hda_bus_ops {
 397         /* send a single command */
 398         int (*command)(struct hda_codec *codec, hda_nid_t nid, int direct,
 399                        unsigned int verb, unsigned int parm);
 400         /* get a response from the last command */
 401         unsigned int (*get_response)(struct hda_codec *codec);
 402         /* free the private data */
 403         void (*private_free)(struct hda_bus *);
 404 };
 405
 406 /* template to pass to the bus constructor */
 407 struct hda_bus_template {
 408         void *private_data;
 409         struct pci_dev *pci;
 410         const char *modelname;
 411         struct hda_bus_ops ops;
 412 };
 413
 414 /*
 415  * codec bus
 416  *
 417  * each controller needs to creata a hda_bus to assign the accessor.
 418  * A hda_bus contains several codecs in the list codec_list.
 419  */
 420 struct hda_bus {
 421         snd_card_t *card;
 422
 423         /* copied from template */
 424         void *private_data;
 425         struct pci_dev *pci;
 426         const char *modelname;
 427         struct hda_bus_ops ops;
 428
 429         /* codec linked list */
 430         struct list_head codec_list;
 431         struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1]; /* caddr -> codec */
 432
 433         struct semaphore cmd_mutex;
 434
 435         /* unsolicited event queue */
 436         struct hda_bus_unsolicited *unsol;
 437
 438         snd_info_entry_t *proc;
 439 };
 440
 441 /*
 442  * codec preset
 443  *
 444  * Known codecs have the patch to build and set up the controls/PCMs
 445  * better than the generic parser.
 446  */
 447 struct hda_codec_preset {
 448         unsigned int id;
 449         unsigned int mask;
 450         unsigned int subs;
 451         unsigned int subs_mask;
 452         unsigned int rev;
 453         const char *name;
 454         int (*patch)(struct hda_codec *codec);
 455 };
 456
 457 /* ops set by the preset patch */
 458 struct hda_codec_ops {
 459         int (*build_controls)(struct hda_codec *codec);
 460         int (*build_pcms)(struct hda_codec *codec);
 461         int (*init)(struct hda_codec *codec);
 462         void (*free)(struct hda_codec *codec);
 463         void (*unsol_event)(struct hda_codec *codec, unsigned int res);
 464 #ifdef CONFIG_PM
 465         int (*suspend)(struct hda_codec *codec, pm_message_t state);
 466         int (*resume)(struct hda_codec *codec);
 467 #endif
 468 };
 469
 470 /* record for amp information cache */
 471 struct hda_amp_info {
 472         u32 key;                /* hash key */
 473         u32 amp_caps;           /* amp capabilities */
 474         u16 vol[2];             /* current volume & mute*/
 475         u16 status;             /* update flag */
 476         u16 next;               /* next link */
 477 };
 478
 479 /* PCM callbacks */
 480 struct hda_pcm_ops {
 481         int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
 482                     snd_pcm_substream_t *substream);
 483         int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
 484                      snd_pcm_substream_t *substream);
 485         int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
 486                        unsigned int stream_tag, unsigned int format,
 487                        snd_pcm_substream_t *substream);
 488         int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
 489                        snd_pcm_substream_t *substream);
 490 };
 491
 492 /* PCM information for each substream */
 493 struct hda_pcm_stream {
 494         unsigned int substreams;        /* number of substreams, 0 = not exist */
 495         unsigned int channels_min;      /* min. number of channels */
 496         unsigned int channels_max;      /* max. number of channels */
 497         hda_nid_t nid;  /* default NID to query rates/formats/bps, or set up */
 498         u32 rates;      /* supported rates */
 499         u64 formats;    /* supported formats (SNDRV_PCM_FMTBIT_) */
 500         unsigned int maxbps;    /* supported max. bit per sample */
 501         struct hda_pcm_ops ops;
 502 };
 503
 504 /* for PCM creation */
 505 struct hda_pcm {
 506         char *name;
 507         struct hda_pcm_stream stream[2];
 508         unsigned int is_modem;  /* modem codec? */
 509 };
 510
 511 /* codec information */
 512 struct hda_codec {
 513         struct hda_bus *bus;
 514         unsigned int addr;      /* codec addr*/
 515         struct list_head list;  /* list point */
 516
 517         hda_nid_t afg;  /* AFG node id */
 518         hda_nid_t mfg;  /* MFG node id */
 519
 520         /* ids */
 521         u32 vendor_id;
 522         u32 subsystem_id;
 523         u32 revision_id;
 524
 525         /* detected preset */
 526         const struct hda_codec_preset *preset;
 527
 528         /* set by patch */
 529         struct hda_codec_ops patch_ops;
 530
 531         /* resume phase - all controls should update even if
 532          * the values are not changed
 533          */
 534         unsigned int in_resume;
 535
 536         /* PCM to create, set by patch_ops.build_pcms callback */
 537         unsigned int num_pcms;
 538         struct hda_pcm *pcm_info;
 539
 540         /* codec specific info */
 541         void *spec;
 542
 543         /* hash for amp access */
 544         u16 amp_hash[32];
 545         int num_amp_entries;
 546         struct hda_amp_info amp_info[128]; /* big enough? */
 547
 548         struct semaphore spdif_mutex;
 549         unsigned int spdif_status;      /* IEC958 status bits */
 550         unsigned short spdif_ctls;      /* SPDIF control bits */
 551         unsigned int spdif_in_enable;   /* SPDIF input enable? */
 552 };
 553
 554 /* direction */
 555 enum {
 556         HDA_INPUT, HDA_OUTPUT
 557 };
 558
 559
 560 /*
 561  * constructors
 562  */
 563 int snd_hda_bus_new(snd_card_t *card, const struct hda_bus_template *temp,
 564                     struct hda_bus **busp);
 565 int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 566                       struct hda_codec **codecp);
 567
 568 /*
 569  * low level functions
 570  */
 571 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct,
 572                                 unsigned int verb, unsigned int parm);
 573 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 574                         unsigned int verb, unsigned int parm);
 575 #define snd_hda_param_read(codec, nid, param) snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param)
 576 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id);
 577 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *conn_list, int max_conns);
 578
 579 struct hda_verb {
 580         hda_nid_t nid;
 581         u32 verb;
 582         u32 param;
 583 };
 584
 585 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq);
 586
 587 /* unsolicited event */
 588 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex);
 589
 590 /*
 591  * Mixer
 592  */
 593 int snd_hda_build_controls(struct hda_bus *bus);
 594
 595 /*
 596  * PCM
 597  */
 598 int snd_hda_build_pcms(struct hda_bus *bus);
 599 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag,
 600                                 int channel_id, int format);
 601 unsigned int snd_hda_calc_stream_format(unsigned int rate, unsigned int channels,
 602                                         unsigned int format, unsigned int maxbps);
 603 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
 604                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp);
 605 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
 606                                 unsigned int format);
 607
 608 /*
 609  * Misc
 610  */
 611 void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
 612
 613 /*
 614  * power management
 615  */
 616 #ifdef CONFIG_PM
 617 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state);
 618 int snd_hda_resume(struct hda_bus *bus);
 619 #endif
 620
 621 #endif /* __SOUND_HDA_CODEC_H */