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 #include <sound/hwdep.h>
  28
  29 #if defined(CONFIG_PM) || defined(CONFIG_SND_HDA_POWER_SAVE)
  30 #define SND_HDA_NEEDS_RESUME    /* resume control code is required */
  31 #endif
  32
  33 /*
  34  * nodes
  35  */
  36 #define AC_NODE_ROOT            0x00
  37
  38 /*
  39  * function group types
  40  */
  41 enum {
  42         AC_GRP_AUDIO_FUNCTION = 0x01,
  43         AC_GRP_MODEM_FUNCTION = 0x02,
  44 };
  45
  46 /*
  47  * widget types
  48  */
  49 enum {
  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 */
  59 };
  60
  61 /*
  62  * GET verbs
  63  */
  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
  83 /* f10-f1a: GPIO */
  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_WAKE_MASK              0x0f18
  88 #define AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK   0x0f19
  89 #define AC_VERB_GET_GPIO_STICKY_MASK            0x0f1a
  90 #define AC_VERB_GET_CONFIG_DEFAULT              0x0f1c
  91 /* f20: AFG/MFG */
  92 #define AC_VERB_GET_SUBSYSTEM_ID                0x0f20
  93
  94 /*
  95  * SET verbs
  96  */
  97 #define AC_VERB_SET_STREAM_FORMAT               0x200
  98 #define AC_VERB_SET_AMP_GAIN_MUTE               0x300
  99 #define AC_VERB_SET_PROC_COEF                   0x400
 100 #define AC_VERB_SET_COEF_INDEX                  0x500
 101 #define AC_VERB_SET_CONNECT_SEL                 0x701
 102 #define AC_VERB_SET_PROC_STATE                  0x703
 103 #define AC_VERB_SET_SDI_SELECT                  0x704
 104 #define AC_VERB_SET_POWER_STATE                 0x705
 105 #define AC_VERB_SET_CHANNEL_STREAMID            0x706
 106 #define AC_VERB_SET_PIN_WIDGET_CONTROL          0x707
 107 #define AC_VERB_SET_UNSOLICITED_ENABLE          0x708
 108 #define AC_VERB_SET_PIN_SENSE                   0x709
 109 #define AC_VERB_SET_BEEP_CONTROL                0x70a
 110 #define AC_VERB_SET_EAPD_BTLENABLE              0x70c
 111 #define AC_VERB_SET_DIGI_CONVERT_1              0x70d
 112 #define AC_VERB_SET_DIGI_CONVERT_2              0x70e
 113 #define AC_VERB_SET_VOLUME_KNOB_CONTROL         0x70f
 114 #define AC_VERB_SET_GPIO_DATA                   0x715
 115 #define AC_VERB_SET_GPIO_MASK                   0x716
 116 #define AC_VERB_SET_GPIO_DIRECTION              0x717
 117 #define AC_VERB_SET_GPIO_WAKE_MASK              0x718
 118 #define AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK   0x719
 119 #define AC_VERB_SET_GPIO_STICKY_MASK            0x71a
 120 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_0      0x71c
 121 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_1      0x71d
 122 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_2      0x71e
 123 #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_3      0x71f
 124 #define AC_VERB_SET_CODEC_RESET                 0x7ff
 125
 126 /*
 127  * Parameter IDs
 128  */
 129 #define AC_PAR_VENDOR_ID                0x00
 130 #define AC_PAR_SUBSYSTEM_ID             0x01
 131 #define AC_PAR_REV_ID                   0x02
 132 #define AC_PAR_NODE_COUNT               0x04
 133 #define AC_PAR_FUNCTION_TYPE            0x05
 134 #define AC_PAR_AUDIO_FG_CAP             0x08
 135 #define AC_PAR_AUDIO_WIDGET_CAP         0x09
 136 #define AC_PAR_PCM                      0x0a
 137 #define AC_PAR_STREAM                   0x0b
 138 #define AC_PAR_PIN_CAP                  0x0c
 139 #define AC_PAR_AMP_IN_CAP               0x0d
 140 #define AC_PAR_CONNLIST_LEN             0x0e
 141 #define AC_PAR_POWER_STATE              0x0f
 142 #define AC_PAR_PROC_CAP                 0x10
 143 #define AC_PAR_GPIO_CAP                 0x11
 144 #define AC_PAR_AMP_OUT_CAP              0x12
 145 #define AC_PAR_VOL_KNB_CAP              0x13
 146
 147 /*
 148  * AC_VERB_PARAMETERS results (32bit)
 149  */
 150
 151 /* Function Group Type */
 152 #define AC_FGT_TYPE                     (0xff<<0)
 153 #define AC_FGT_TYPE_SHIFT               0
 154 #define AC_FGT_UNSOL_CAP                (1<<8)
 155
 156 /* Audio Function Group Capabilities */
 157 #define AC_AFG_OUT_DELAY                (0xf<<0)
 158 #define AC_AFG_IN_DELAY                 (0xf<<8)
 159 #define AC_AFG_BEEP_GEN                 (1<<16)
 160
 161 /* Audio Widget Capabilities */
 162 #define AC_WCAP_STEREO                  (1<<0)  /* stereo I/O */
 163 #define AC_WCAP_IN_AMP                  (1<<1)  /* AMP-in present */
 164 #define AC_WCAP_OUT_AMP                 (1<<2)  /* AMP-out present */
 165 #define AC_WCAP_AMP_OVRD                (1<<3)  /* AMP-parameter override */
 166 #define AC_WCAP_FORMAT_OVRD             (1<<4)  /* format override */
 167 #define AC_WCAP_STRIPE                  (1<<5)  /* stripe */
 168 #define AC_WCAP_PROC_WID                (1<<6)  /* Proc Widget */
 169 #define AC_WCAP_UNSOL_CAP               (1<<7)  /* Unsol capable */
 170 #define AC_WCAP_CONN_LIST               (1<<8)  /* connection list */
 171 #define AC_WCAP_DIGITAL                 (1<<9)  /* digital I/O */
 172 #define AC_WCAP_POWER                   (1<<10) /* power control */
 173 #define AC_WCAP_LR_SWAP                 (1<<11) /* L/R swap */
 174 #define AC_WCAP_DELAY                   (0xf<<16)
 175 #define AC_WCAP_DELAY_SHIFT             16
 176 #define AC_WCAP_TYPE                    (0xf<<20)
 177 #define AC_WCAP_TYPE_SHIFT              20
 178
 179 /* supported PCM rates and bits */
 180 #define AC_SUPPCM_RATES                 (0xfff << 0)
 181 #define AC_SUPPCM_BITS_8                (1<<16)
 182 #define AC_SUPPCM_BITS_16               (1<<17)
 183 #define AC_SUPPCM_BITS_20               (1<<18)
 184 #define AC_SUPPCM_BITS_24               (1<<19)
 185 #define AC_SUPPCM_BITS_32               (1<<20)
 186
 187 /* supported PCM stream format */
 188 #define AC_SUPFMT_PCM                   (1<<0)
 189 #define AC_SUPFMT_FLOAT32               (1<<1)
 190 #define AC_SUPFMT_AC3                   (1<<2)
 191
 192 /* GP I/O count */
 193 #define AC_GPIO_IO_COUNT                (0xff<<0)
 194 #define AC_GPIO_O_COUNT                 (0xff<<8)
 195 #define AC_GPIO_O_COUNT_SHIFT           8
 196 #define AC_GPIO_I_COUNT                 (0xff<<16)
 197 #define AC_GPIO_I_COUNT_SHIFT           16
 198 #define AC_GPIO_UNSOLICITED             (1<<30)
 199 #define AC_GPIO_WAKE                    (1<<31)
 200
 201 /* Converter stream, channel */
 202 #define AC_CONV_CHANNEL                 (0xf<<0)
 203 #define AC_CONV_STREAM                  (0xf<<4)
 204 #define AC_CONV_STREAM_SHIFT            4
 205
 206 /* Input converter SDI select */
 207 #define AC_SDI_SELECT                   (0xf<<0)
 208
 209 /* Unsolicited response */
 210 #define AC_UNSOL_TAG                    (0x3f<<0)
 211 #define AC_UNSOL_ENABLED                (1<<7)
 212
 213 /* Pin widget capabilies */
 214 #define AC_PINCAP_IMP_SENSE             (1<<0)  /* impedance sense capable */
 215 #define AC_PINCAP_TRIG_REQ              (1<<1)  /* trigger required */
 216 #define AC_PINCAP_PRES_DETECT           (1<<2)  /* presence detect capable */
 217 #define AC_PINCAP_HP_DRV                (1<<3)  /* headphone drive capable */
 218 #define AC_PINCAP_OUT                   (1<<4)  /* output capable */
 219 #define AC_PINCAP_IN                    (1<<5)  /* input capable */
 220 #define AC_PINCAP_BALANCE               (1<<6)  /* balanced I/O capable */
 221 /* Note: This LR_SWAP pincap is defined in the Realtek ALC883 specification,
 222  *       but is marked reserved in the Intel HDA specification.
 223  */
 224 #define AC_PINCAP_LR_SWAP               (1<<7)  /* L/R swap */
 225 #define AC_PINCAP_VREF                  (0x37<<8)
 226 #define AC_PINCAP_VREF_SHIFT            8
 227 #define AC_PINCAP_EAPD                  (1<<16) /* EAPD capable */
 228 /* Vref status (used in pin cap) */
 229 #define AC_PINCAP_VREF_HIZ              (1<<0)  /* Hi-Z */
 230 #define AC_PINCAP_VREF_50               (1<<1)  /* 50% */
 231 #define AC_PINCAP_VREF_GRD              (1<<2)  /* ground */
 232 #define AC_PINCAP_VREF_80               (1<<4)  /* 80% */
 233 #define AC_PINCAP_VREF_100              (1<<5)  /* 100% */
 234
 235 /* Amplifier capabilities */
 236 #define AC_AMPCAP_OFFSET                (0x7f<<0)  /* 0dB offset */
 237 #define AC_AMPCAP_OFFSET_SHIFT          0
 238 #define AC_AMPCAP_NUM_STEPS             (0x7f<<8)  /* number of steps */
 239 #define AC_AMPCAP_NUM_STEPS_SHIFT       8
 240 #define AC_AMPCAP_STEP_SIZE             (0x7f<<16) /* step size 0-32dB
 241                                                     * in 0.25dB
 242                                                     */
 243 #define AC_AMPCAP_STEP_SIZE_SHIFT       16
 244 #define AC_AMPCAP_MUTE                  (1<<31)    /* mute capable */
 245 #define AC_AMPCAP_MUTE_SHIFT            31
 246
 247 /* Connection list */
 248 #define AC_CLIST_LENGTH                 (0x7f<<0)
 249 #define AC_CLIST_LONG                   (1<<7)
 250
 251 /* Supported power status */
 252 #define AC_PWRST_D0SUP                  (1<<0)
 253 #define AC_PWRST_D1SUP                  (1<<1)
 254 #define AC_PWRST_D2SUP                  (1<<2)
 255 #define AC_PWRST_D3SUP                  (1<<3)
 256
 257 /* Power state values */
 258 #define AC_PWRST_SETTING                (0xf<<0)
 259 #define AC_PWRST_ACTUAL                 (0xf<<4)
 260 #define AC_PWRST_ACTUAL_SHIFT           4
 261 #define AC_PWRST_D0                     0x00
 262 #define AC_PWRST_D1                     0x01
 263 #define AC_PWRST_D2                     0x02
 264 #define AC_PWRST_D3                     0x03
 265
 266 /* Processing capabilies */
 267 #define AC_PCAP_BENIGN                  (1<<0)
 268 #define AC_PCAP_NUM_COEF                (0xff<<8)
 269 #define AC_PCAP_NUM_COEF_SHIFT          8
 270
 271 /* Volume knobs capabilities */
 272 #define AC_KNBCAP_NUM_STEPS             (0x7f<<0)
 273 #define AC_KNBCAP_DELTA                 (1<<7)
 274
 275 /*
 276  * Control Parameters
 277  */
 278
 279 /* Amp gain/mute */
 280 #define AC_AMP_MUTE                     (1<<7)
 281 #define AC_AMP_GAIN                     (0x7f)
 282 #define AC_AMP_GET_INDEX                (0xf<<0)
 283
 284 #define AC_AMP_GET_LEFT                 (1<<13)
 285 #define AC_AMP_GET_RIGHT                (0<<13)
 286 #define AC_AMP_GET_OUTPUT               (1<<15)
 287 #define AC_AMP_GET_INPUT                (0<<15)
 288
 289 #define AC_AMP_SET_INDEX                (0xf<<8)
 290 #define AC_AMP_SET_INDEX_SHIFT          8
 291 #define AC_AMP_SET_RIGHT                (1<<12)
 292 #define AC_AMP_SET_LEFT                 (1<<13)
 293 #define AC_AMP_SET_INPUT                (1<<14)
 294 #define AC_AMP_SET_OUTPUT               (1<<15)
 295
 296 /* DIGITAL1 bits */
 297 #define AC_DIG1_ENABLE                  (1<<0)
 298 #define AC_DIG1_V                       (1<<1)
 299 #define AC_DIG1_VCFG                    (1<<2)
 300 #define AC_DIG1_EMPHASIS                (1<<3)
 301 #define AC_DIG1_COPYRIGHT               (1<<4)
 302 #define AC_DIG1_NONAUDIO                (1<<5)
 303 #define AC_DIG1_PROFESSIONAL            (1<<6)
 304 #define AC_DIG1_LEVEL                   (1<<7)
 305
 306 /* DIGITAL2 bits */
 307 #define AC_DIG2_CC                      (0x7f<<0)
 308
 309 /* Pin widget control - 8bit */
 310 #define AC_PINCTL_VREFEN                (0x7<<0)
 311 #define AC_PINCTL_VREF_HIZ              0       /* Hi-Z */
 312 #define AC_PINCTL_VREF_50               1       /* 50% */
 313 #define AC_PINCTL_VREF_GRD              2       /* ground */
 314 #define AC_PINCTL_VREF_80               4       /* 80% */
 315 #define AC_PINCTL_VREF_100              5       /* 100% */
 316 #define AC_PINCTL_IN_EN                 (1<<5)
 317 #define AC_PINCTL_OUT_EN                (1<<6)
 318 #define AC_PINCTL_HP_EN                 (1<<7)
 319
 320 /* Unsolicited response - 8bit */
 321 #define AC_USRSP_EN                     (1<<7)
 322
 323 /* Pin sense - 32bit */
 324 #define AC_PINSENSE_IMPEDANCE_MASK      (0x7fffffff)
 325 #define AC_PINSENSE_PRESENCE            (1<<31)
 326
 327 /* EAPD/BTL enable - 32bit */
 328 #define AC_EAPDBTL_BALANCED             (1<<0)
 329 #define AC_EAPDBTL_EAPD                 (1<<1)
 330 #define AC_EAPDBTL_LR_SWAP              (1<<2)
 331
 332 /* configuration default - 32bit */
 333 #define AC_DEFCFG_SEQUENCE              (0xf<<0)
 334 #define AC_DEFCFG_DEF_ASSOC             (0xf<<4)
 335 #define AC_DEFCFG_ASSOC_SHIFT           4
 336 #define AC_DEFCFG_MISC                  (0xf<<8)
 337 #define AC_DEFCFG_MISC_SHIFT            8
 338 #define AC_DEFCFG_MISC_NO_PRESENCE      (1<<0)
 339 #define AC_DEFCFG_COLOR                 (0xf<<12)
 340 #define AC_DEFCFG_COLOR_SHIFT           12
 341 #define AC_DEFCFG_CONN_TYPE             (0xf<<16)
 342 #define AC_DEFCFG_CONN_TYPE_SHIFT       16
 343 #define AC_DEFCFG_DEVICE                (0xf<<20)
 344 #define AC_DEFCFG_DEVICE_SHIFT          20
 345 #define AC_DEFCFG_LOCATION              (0x3f<<24)
 346 #define AC_DEFCFG_LOCATION_SHIFT        24
 347 #define AC_DEFCFG_PORT_CONN             (0x3<<30)
 348 #define AC_DEFCFG_PORT_CONN_SHIFT       30
 349
 350 /* device device types (0x0-0xf) */
 351 enum {
 352         AC_JACK_LINE_OUT,
 353         AC_JACK_SPEAKER,
 354         AC_JACK_HP_OUT,
 355         AC_JACK_CD,
 356         AC_JACK_SPDIF_OUT,
 357         AC_JACK_DIG_OTHER_OUT,
 358         AC_JACK_MODEM_LINE_SIDE,
 359         AC_JACK_MODEM_HAND_SIDE,
 360         AC_JACK_LINE_IN,
 361         AC_JACK_AUX,
 362         AC_JACK_MIC_IN,
 363         AC_JACK_TELEPHONY,
 364         AC_JACK_SPDIF_IN,
 365         AC_JACK_DIG_OTHER_IN,
 366         AC_JACK_OTHER = 0xf,
 367 };
 368
 369 /* jack connection types (0x0-0xf) */
 370 enum {
 371         AC_JACK_CONN_UNKNOWN,
 372         AC_JACK_CONN_1_8,
 373         AC_JACK_CONN_1_4,
 374         AC_JACK_CONN_ATAPI,
 375         AC_JACK_CONN_RCA,
 376         AC_JACK_CONN_OPTICAL,
 377         AC_JACK_CONN_OTHER_DIGITAL,
 378         AC_JACK_CONN_OTHER_ANALOG,
 379         AC_JACK_CONN_DIN,
 380         AC_JACK_CONN_XLR,
 381         AC_JACK_CONN_RJ11,
 382         AC_JACK_CONN_COMB,
 383         AC_JACK_CONN_OTHER = 0xf,
 384 };
 385
 386 /* jack colors (0x0-0xf) */
 387 enum {
 388         AC_JACK_COLOR_UNKNOWN,
 389         AC_JACK_COLOR_BLACK,
 390         AC_JACK_COLOR_GREY,
 391         AC_JACK_COLOR_BLUE,
 392         AC_JACK_COLOR_GREEN,
 393         AC_JACK_COLOR_RED,
 394         AC_JACK_COLOR_ORANGE,
 395         AC_JACK_COLOR_YELLOW,
 396         AC_JACK_COLOR_PURPLE,
 397         AC_JACK_COLOR_PINK,
 398         AC_JACK_COLOR_WHITE = 0xe,
 399         AC_JACK_COLOR_OTHER,
 400 };
 401
 402 /* Jack location (0x0-0x3f) */
 403 /* common case */
 404 enum {
 405         AC_JACK_LOC_NONE,
 406         AC_JACK_LOC_REAR,
 407         AC_JACK_LOC_FRONT,
 408         AC_JACK_LOC_LEFT,
 409         AC_JACK_LOC_RIGHT,
 410         AC_JACK_LOC_TOP,
 411         AC_JACK_LOC_BOTTOM,
 412 };
 413 /* bits 4-5 */
 414 enum {
 415         AC_JACK_LOC_EXTERNAL = 0x00,
 416         AC_JACK_LOC_INTERNAL = 0x10,
 417         AC_JACK_LOC_SEPARATE = 0x20,
 418         AC_JACK_LOC_OTHER    = 0x30,
 419 };
 420 enum {
 421         /* external on primary chasis */
 422         AC_JACK_LOC_REAR_PANEL = 0x07,
 423         AC_JACK_LOC_DRIVE_BAY,
 424         /* internal */
 425         AC_JACK_LOC_RISER = 0x17,
 426         AC_JACK_LOC_HDMI,
 427         AC_JACK_LOC_ATAPI,
 428         /* others */
 429         AC_JACK_LOC_MOBILE_IN = 0x37,
 430         AC_JACK_LOC_MOBILE_OUT,
 431 };
 432
 433 /* Port connectivity (0-3) */
 434 enum {
 435         AC_JACK_PORT_COMPLEX,
 436         AC_JACK_PORT_NONE,
 437         AC_JACK_PORT_FIXED,
 438         AC_JACK_PORT_BOTH,
 439 };
 440
 441 /* max. connections to a widget */
 442 #define HDA_MAX_CONNECTIONS     32
 443
 444 /* max. codec address */
 445 #define HDA_MAX_CODEC_ADDRESS   0x0f
 446
 447 /*
 448  * Structures
 449  */
 450
 451 struct hda_bus;
 452 struct hda_codec;
 453 struct hda_pcm;
 454 struct hda_pcm_stream;
 455 struct hda_bus_unsolicited;
 456
 457 /* NID type */
 458 typedef u16 hda_nid_t;
 459
 460 /* bus operators */
 461 struct hda_bus_ops {
 462         /* send a single command */
 463         int (*command)(struct hda_codec *codec, hda_nid_t nid, int direct,
 464                        unsigned int verb, unsigned int parm);
 465         /* get a response from the last command */
 466         unsigned int (*get_response)(struct hda_codec *codec);
 467         /* free the private data */
 468         void (*private_free)(struct hda_bus *);
 469 #ifdef CONFIG_SND_HDA_POWER_SAVE
 470         /* notify power-up/down from codec to controller */
 471         void (*pm_notify)(struct hda_codec *codec);
 472 #endif
 473 };
 474
 475 /* template to pass to the bus constructor */
 476 struct hda_bus_template {
 477         void *private_data;
 478         struct pci_dev *pci;
 479         const char *modelname;
 480         struct hda_bus_ops ops;
 481 };
 482
 483 /*
 484  * codec bus
 485  *
 486  * each controller needs to creata a hda_bus to assign the accessor.
 487  * A hda_bus contains several codecs in the list codec_list.
 488  */
 489 struct hda_bus {
 490         struct snd_card *card;
 491
 492         /* copied from template */
 493         void *private_data;
 494         struct pci_dev *pci;
 495         const char *modelname;
 496         struct hda_bus_ops ops;
 497
 498         /* codec linked list */
 499         struct list_head codec_list;
 500         /* link caddr -> codec */
 501         struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1];
 502
 503         struct mutex cmd_mutex;
 504
 505         /* unsolicited event queue */
 506         struct hda_bus_unsolicited *unsol;
 507
 508         struct snd_info_entry *proc;
 509
 510         /* misc op flags */
 511         unsigned int needs_damn_long_delay :1;
 512 };
 513
 514 /*
 515  * codec preset
 516  *
 517  * Known codecs have the patch to build and set up the controls/PCMs
 518  * better than the generic parser.
 519  */
 520 struct hda_codec_preset {
 521         unsigned int id;
 522         unsigned int mask;
 523         unsigned int subs;
 524         unsigned int subs_mask;
 525         unsigned int rev;
 526         hda_nid_t afg, mfg;
 527         const char *name;
 528         int (*patch)(struct hda_codec *codec);
 529 };
 530
 531 /* ops set by the preset patch */
 532 struct hda_codec_ops {
 533         int (*build_controls)(struct hda_codec *codec);
 534         int (*build_pcms)(struct hda_codec *codec);
 535         int (*init)(struct hda_codec *codec);
 536         void (*free)(struct hda_codec *codec);
 537         void (*unsol_event)(struct hda_codec *codec, unsigned int res);
 538 #ifdef SND_HDA_NEEDS_RESUME
 539         int (*suspend)(struct hda_codec *codec, pm_message_t state);
 540         int (*resume)(struct hda_codec *codec);
 541 #endif
 542 #ifdef CONFIG_SND_HDA_POWER_SAVE
 543         int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
 544 #endif
 545 };
 546
 547 /* record for amp information cache */
 548 struct hda_cache_head {
 549         u32 key;                /* hash key */
 550         u16 val;                /* assigned value */
 551         u16 next;               /* next link; -1 = terminal */
 552 };
 553
 554 struct hda_amp_info {
 555         struct hda_cache_head head;
 556         u32 amp_caps;           /* amp capabilities */
 557         u16 vol[2];             /* current volume & mute */
 558 };
 559
 560 struct hda_cache_rec {
 561         u16 hash[64];                   /* hash table for index */
 562         unsigned int num_entries;       /* number of assigned entries */
 563         unsigned int size;              /* allocated size */
 564         unsigned int record_size;       /* record size (including header) */
 565         void *buffer;                   /* hash table entries */
 566 };
 567
 568 /* PCM callbacks */
 569 struct hda_pcm_ops {
 570         int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
 571                     struct snd_pcm_substream *substream);
 572         int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
 573                      struct snd_pcm_substream *substream);
 574         int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
 575                        unsigned int stream_tag, unsigned int format,
 576                        struct snd_pcm_substream *substream);
 577         int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
 578                        struct snd_pcm_substream *substream);
 579 };
 580
 581 /* PCM information for each substream */
 582 struct hda_pcm_stream {
 583         unsigned int substreams;        /* number of substreams, 0 = not exist*/
 584         unsigned int channels_min;      /* min. number of channels */
 585         unsigned int channels_max;      /* max. number of channels */
 586         hda_nid_t nid;  /* default NID to query rates/formats/bps, or set up */
 587         u32 rates;      /* supported rates */
 588         u64 formats;    /* supported formats (SNDRV_PCM_FMTBIT_) */
 589         unsigned int maxbps;    /* supported max. bit per sample */
 590         struct hda_pcm_ops ops;
 591 };
 592
 593 /* for PCM creation */
 594 struct hda_pcm {
 595         char *name;
 596         struct hda_pcm_stream stream[2];
 597         unsigned int is_modem;  /* modem codec? */
 598 };
 599
 600 /* codec information */
 601 struct hda_codec {
 602         struct hda_bus *bus;
 603         unsigned int addr;      /* codec addr*/
 604         struct list_head list;  /* list point */
 605
 606         hda_nid_t afg;  /* AFG node id */
 607         hda_nid_t mfg;  /* MFG node id */
 608
 609         /* ids */
 610         u32 vendor_id;
 611         u32 subsystem_id;
 612         u32 revision_id;
 613
 614         /* detected preset */
 615         const struct hda_codec_preset *preset;
 616
 617         /* set by patch */
 618         struct hda_codec_ops patch_ops;
 619
 620         /* PCM to create, set by patch_ops.build_pcms callback */
 621         unsigned int num_pcms;
 622         struct hda_pcm *pcm_info;
 623
 624         /* codec specific info */
 625         void *spec;
 626
 627         /* widget capabilities cache */
 628         unsigned int num_nodes;
 629         hda_nid_t start_nid;
 630         u32 *wcaps;
 631
 632         struct hda_cache_rec amp_cache; /* cache for amp access */
 633         struct hda_cache_rec cmd_cache; /* cache for other commands */
 634
 635         struct mutex spdif_mutex;
 636         unsigned int spdif_status;      /* IEC958 status bits */
 637         unsigned short spdif_ctls;      /* SPDIF control bits */
 638         unsigned int spdif_in_enable;   /* SPDIF input enable? */
 639
 640         struct snd_hwdep *hwdep;        /* assigned hwdep device */
 641
 642 #ifdef CONFIG_SND_HDA_POWER_SAVE
 643         unsigned int power_on :1;       /* current (global) power-state */
 644         unsigned int power_transition :1; /* power-state in transition */
 645         int power_count;        /* current (global) power refcount */
 646         struct delayed_work power_work; /* delayed task for powerdown */
 647 #endif
 648 };
 649
 650 /* direction */
 651 enum {
 652         HDA_INPUT, HDA_OUTPUT
 653 };
 654
 655
 656 /*
 657  * constructors
 658  */
 659 int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp,
 660                     struct hda_bus **busp);
 661 int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 662                       struct hda_codec **codecp);
 663
 664 /*
 665  * low level functions
 666  */
 667 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
 668                                 int direct,
 669                                 unsigned int verb, unsigned int parm);
 670 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
 671                         unsigned int verb, unsigned int parm);
 672 #define snd_hda_param_read(codec, nid, param) \
 673         snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param)
 674 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
 675                           hda_nid_t *start_id);
 676 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
 677                             hda_nid_t *conn_list, int max_conns);
 678
 679 struct hda_verb {
 680         hda_nid_t nid;
 681         u32 verb;
 682         u32 param;
 683 };
 684
 685 void snd_hda_sequence_write(struct hda_codec *codec,
 686                             const struct hda_verb *seq);
 687
 688 /* unsolicited event */
 689 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex);
 690
 691 /* cached write */
 692 #ifdef SND_HDA_NEEDS_RESUME
 693 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
 694                               int direct, unsigned int verb, unsigned int parm);
 695 void snd_hda_sequence_write_cache(struct hda_codec *codec,
 696                                   const struct hda_verb *seq);
 697 void snd_hda_codec_resume_cache(struct hda_codec *codec);
 698 #else
 699 #define snd_hda_codec_write_cache       snd_hda_codec_write
 700 #define snd_hda_sequence_write_cache    snd_hda_sequence_write
 701 #endif
 702
 703 /*
 704  * Mixer
 705  */
 706 int snd_hda_build_controls(struct hda_bus *bus);
 707
 708 /*
 709  * PCM
 710  */
 711 int snd_hda_build_pcms(struct hda_bus *bus);
 712 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
 713                                 u32 stream_tag,
 714                                 int channel_id, int format);
 715 unsigned int snd_hda_calc_stream_format(unsigned int rate,
 716                                         unsigned int channels,
 717                                         unsigned int format,
 718                                         unsigned int maxbps);
 719 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
 720                                 u32 *ratesp, u64 *formatsp, unsigned int *bpsp);
 721 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
 722                                 unsigned int format);
 723
 724 /*
 725  * Misc
 726  */
 727 void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
 728
 729 /*
 730  * power management
 731  */
 732 #ifdef CONFIG_PM
 733 int snd_hda_suspend(struct hda_bus *bus, pm_message_t state);
 734 int snd_hda_resume(struct hda_bus *bus);
 735 #endif
 736
 737 /*
 738  * power saving
 739  */
 740 #ifdef CONFIG_SND_HDA_POWER_SAVE
 741 void snd_hda_power_up(struct hda_codec *codec);
 742 void snd_hda_power_down(struct hda_codec *codec);
 743 #define snd_hda_codec_needs_resume(codec) codec->power_count
 744 int snd_hda_codecs_inuse(struct hda_bus *bus);
 745 #else
 746 static inline void snd_hda_power_up(struct hda_codec *codec) {}
 747 static inline void snd_hda_power_down(struct hda_codec *codec) {}
 748 #define snd_hda_codec_needs_resume(codec) 1
 749 #define snd_hda_codecs_inuse(bus) 1
 750 #endif
 751
 752 #endif /* __SOUND_HDA_CODEC_H */