include/linux/greybus/greybus_protocols.h

   1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
   2 /*
   3  * Copyright(c) 2014 - 2015 Google Inc. All rights reserved.
   4  * Copyright(c) 2014 - 2015 Linaro Ltd. All rights reserved.
   5  */
   6
   7 #ifndef __GREYBUS_PROTOCOLS_H
   8 #define __GREYBUS_PROTOCOLS_H
   9
  10 #include <linux/types.h>
  11
  12 /* Fixed IDs for control/svc protocols */
  13
  14 /* SVC switch-port device ids */
  15 #define GB_SVC_DEVICE_ID_SVC                    0
  16 #define GB_SVC_DEVICE_ID_AP                     1
  17 #define GB_SVC_DEVICE_ID_MIN                    2
  18 #define GB_SVC_DEVICE_ID_MAX                    31
  19
  20 #define GB_SVC_CPORT_ID                         0
  21 #define GB_CONTROL_BUNDLE_ID                    0
  22 #define GB_CONTROL_CPORT_ID                     0
  23
  24
  25 /*
  26  * All operation messages (both requests and responses) begin with
  27  * a header that encodes the size of the message (header included).
  28  * This header also contains a unique identifier, that associates a
  29  * response message with its operation.  The header contains an
  30  * operation type field, whose interpretation is dependent on what
  31  * type of protocol is used over the connection.  The high bit
  32  * (0x80) of the operation type field is used to indicate whether
  33  * the message is a request (clear) or a response (set).
  34  *
  35  * Response messages include an additional result byte, which
  36  * communicates the result of the corresponding request.  A zero
  37  * result value means the operation completed successfully.  Any
  38  * other value indicates an error; in this case, the payload of the
  39  * response message (if any) is ignored.  The result byte must be
  40  * zero in the header for a request message.
  41  *
  42  * The wire format for all numeric fields in the header is little
  43  * endian.  Any operation-specific data begins immediately after the
  44  * header.
  45  */
  46 struct gb_operation_msg_hdr {
  47         __le16  size;           /* Size in bytes of header + payload */
  48         __le16  operation_id;   /* Operation unique id */
  49         __u8    type;           /* E.g GB_I2C_TYPE_* or GB_GPIO_TYPE_* */
  50         __u8    result;         /* Result of request (in responses only) */
  51         __u8    pad[2];         /* must be zero (ignore when read) */
  52 } __packed;
  53
  54
  55 /* Generic request types */
  56 #define GB_REQUEST_TYPE_CPORT_SHUTDOWN          0x00
  57 #define GB_REQUEST_TYPE_INVALID                 0x7f
  58
  59 struct gb_cport_shutdown_request {
  60         __u8 phase;
  61 } __packed;
  62
  63
  64 /* Control Protocol */
  65
  66 /* Greybus control request types */
  67 #define GB_CONTROL_TYPE_VERSION                 0x01
  68 #define GB_CONTROL_TYPE_PROBE_AP                0x02
  69 #define GB_CONTROL_TYPE_GET_MANIFEST_SIZE       0x03
  70 #define GB_CONTROL_TYPE_GET_MANIFEST            0x04
  71 #define GB_CONTROL_TYPE_CONNECTED               0x05
  72 #define GB_CONTROL_TYPE_DISCONNECTED            0x06
  73 #define GB_CONTROL_TYPE_TIMESYNC_ENABLE         0x07
  74 #define GB_CONTROL_TYPE_TIMESYNC_DISABLE        0x08
  75 #define GB_CONTROL_TYPE_TIMESYNC_AUTHORITATIVE  0x09
  76 /*      Unused                                  0x0a */
  77 #define GB_CONTROL_TYPE_BUNDLE_VERSION          0x0b
  78 #define GB_CONTROL_TYPE_DISCONNECTING           0x0c
  79 #define GB_CONTROL_TYPE_TIMESYNC_GET_LAST_EVENT 0x0d
  80 #define GB_CONTROL_TYPE_MODE_SWITCH             0x0e
  81 #define GB_CONTROL_TYPE_BUNDLE_SUSPEND          0x0f
  82 #define GB_CONTROL_TYPE_BUNDLE_RESUME           0x10
  83 #define GB_CONTROL_TYPE_BUNDLE_DEACTIVATE       0x11
  84 #define GB_CONTROL_TYPE_BUNDLE_ACTIVATE         0x12
  85 #define GB_CONTROL_TYPE_INTF_SUSPEND_PREPARE            0x13
  86 #define GB_CONTROL_TYPE_INTF_DEACTIVATE_PREPARE 0x14
  87 #define GB_CONTROL_TYPE_INTF_HIBERNATE_ABORT    0x15
  88
  89 struct gb_control_version_request {
  90         __u8    major;
  91         __u8    minor;
  92 } __packed;
  93
  94 struct gb_control_version_response {
  95         __u8    major;
  96         __u8    minor;
  97 } __packed;
  98
  99 struct gb_control_bundle_version_request {
 100         __u8    bundle_id;
 101 } __packed;
 102
 103 struct gb_control_bundle_version_response {
 104         __u8    major;
 105         __u8    minor;
 106 } __packed;
 107
 108 /* Control protocol manifest get size request has no payload*/
 109 struct gb_control_get_manifest_size_response {
 110         __le16                  size;
 111 } __packed;
 112
 113 /* Control protocol manifest get request has no payload */
 114 struct gb_control_get_manifest_response {
 115         __u8                    data[0];
 116 } __packed;
 117
 118 /* Control protocol [dis]connected request */
 119 struct gb_control_connected_request {
 120         __le16                  cport_id;
 121 } __packed;
 122
 123 struct gb_control_disconnecting_request {
 124         __le16                  cport_id;
 125 } __packed;
 126 /* disconnecting response has no payload */
 127
 128 struct gb_control_disconnected_request {
 129         __le16                  cport_id;
 130 } __packed;
 131 /* Control protocol [dis]connected response has no payload */
 132
 133 /*
 134  * All Bundle power management operations use the same request and response
 135  * layout and status codes.
 136  */
 137
 138 #define GB_CONTROL_BUNDLE_PM_OK         0x00
 139 #define GB_CONTROL_BUNDLE_PM_INVAL      0x01
 140 #define GB_CONTROL_BUNDLE_PM_BUSY       0x02
 141 #define GB_CONTROL_BUNDLE_PM_FAIL       0x03
 142 #define GB_CONTROL_BUNDLE_PM_NA         0x04
 143
 144 struct gb_control_bundle_pm_request {
 145         __u8    bundle_id;
 146 } __packed;
 147
 148 struct gb_control_bundle_pm_response {
 149         __u8    status;
 150 } __packed;
 151
 152 /*
 153  * Interface Suspend Prepare and Deactivate Prepare operations use the same
 154  * response layout and error codes. Define a single response structure and reuse
 155  * it. Both operations have no payload.
 156  */
 157
 158 #define GB_CONTROL_INTF_PM_OK           0x00
 159 #define GB_CONTROL_INTF_PM_BUSY         0x01
 160 #define GB_CONTROL_INTF_PM_NA           0x02
 161
 162 struct gb_control_intf_pm_response {
 163         __u8    status;
 164 } __packed;
 165
 166 /* APBridge protocol */
 167
 168 /* request APB1 log */
 169 #define GB_APB_REQUEST_LOG                      0x02
 170
 171 /* request to map a cport to bulk in and bulk out endpoints */
 172 #define GB_APB_REQUEST_EP_MAPPING               0x03
 173
 174 /* request to get the number of cports available */
 175 #define GB_APB_REQUEST_CPORT_COUNT              0x04
 176
 177 /* request to reset a cport state */
 178 #define GB_APB_REQUEST_RESET_CPORT              0x05
 179
 180 /* request to time the latency of messages on a given cport */
 181 #define GB_APB_REQUEST_LATENCY_TAG_EN           0x06
 182 #define GB_APB_REQUEST_LATENCY_TAG_DIS          0x07
 183
 184 /* request to control the CSI transmitter */
 185 #define GB_APB_REQUEST_CSI_TX_CONTROL           0x08
 186
 187 /* request to control audio streaming */
 188 #define GB_APB_REQUEST_AUDIO_CONTROL            0x09
 189
 190 /* TimeSync requests */
 191 #define GB_APB_REQUEST_TIMESYNC_ENABLE          0x0d
 192 #define GB_APB_REQUEST_TIMESYNC_DISABLE         0x0e
 193 #define GB_APB_REQUEST_TIMESYNC_AUTHORITATIVE   0x0f
 194 #define GB_APB_REQUEST_TIMESYNC_GET_LAST_EVENT  0x10
 195
 196 /* requests to set Greybus CPort flags */
 197 #define GB_APB_REQUEST_CPORT_FLAGS              0x11
 198
 199 /* ARPC request */
 200 #define GB_APB_REQUEST_ARPC_RUN                 0x12
 201
 202 struct gb_apb_request_cport_flags {
 203         __le32  flags;
 204 #define GB_APB_CPORT_FLAG_CONTROL               0x01
 205 #define GB_APB_CPORT_FLAG_HIGH_PRIO             0x02
 206 } __packed;
 207
 208
 209 /* Firmware Download Protocol */
 210
 211 /* Request Types */
 212 #define GB_FW_DOWNLOAD_TYPE_FIND_FIRMWARE       0x01
 213 #define GB_FW_DOWNLOAD_TYPE_FETCH_FIRMWARE      0x02
 214 #define GB_FW_DOWNLOAD_TYPE_RELEASE_FIRMWARE    0x03
 215
 216 #define GB_FIRMWARE_TAG_MAX_SIZE                10
 217
 218 /* firmware download find firmware request/response */
 219 struct gb_fw_download_find_firmware_request {
 220         __u8                    firmware_tag[GB_FIRMWARE_TAG_MAX_SIZE];
 221 } __packed;
 222
 223 struct gb_fw_download_find_firmware_response {
 224         __u8                    firmware_id;
 225         __le32                  size;
 226 } __packed;
 227
 228 /* firmware download fetch firmware request/response */
 229 struct gb_fw_download_fetch_firmware_request {
 230         __u8                    firmware_id;
 231         __le32                  offset;
 232         __le32                  size;
 233 } __packed;
 234
 235 struct gb_fw_download_fetch_firmware_response {
 236         __u8                    data[0];
 237 } __packed;
 238
 239 /* firmware download release firmware request */
 240 struct gb_fw_download_release_firmware_request {
 241         __u8                    firmware_id;
 242 } __packed;
 243 /* firmware download release firmware response has no payload */
 244
 245
 246 /* Firmware Management Protocol */
 247
 248 /* Request Types */
 249 #define GB_FW_MGMT_TYPE_INTERFACE_FW_VERSION    0x01
 250 #define GB_FW_MGMT_TYPE_LOAD_AND_VALIDATE_FW    0x02
 251 #define GB_FW_MGMT_TYPE_LOADED_FW               0x03
 252 #define GB_FW_MGMT_TYPE_BACKEND_FW_VERSION      0x04
 253 #define GB_FW_MGMT_TYPE_BACKEND_FW_UPDATE       0x05
 254 #define GB_FW_MGMT_TYPE_BACKEND_FW_UPDATED      0x06
 255
 256 #define GB_FW_LOAD_METHOD_UNIPRO                0x01
 257 #define GB_FW_LOAD_METHOD_INTERNAL              0x02
 258
 259 #define GB_FW_LOAD_STATUS_FAILED                0x00
 260 #define GB_FW_LOAD_STATUS_UNVALIDATED           0x01
 261 #define GB_FW_LOAD_STATUS_VALIDATED             0x02
 262 #define GB_FW_LOAD_STATUS_VALIDATION_FAILED     0x03
 263
 264 #define GB_FW_BACKEND_FW_STATUS_SUCCESS         0x01
 265 #define GB_FW_BACKEND_FW_STATUS_FAIL_FIND       0x02
 266 #define GB_FW_BACKEND_FW_STATUS_FAIL_FETCH      0x03
 267 #define GB_FW_BACKEND_FW_STATUS_FAIL_WRITE      0x04
 268 #define GB_FW_BACKEND_FW_STATUS_INT             0x05
 269 #define GB_FW_BACKEND_FW_STATUS_RETRY           0x06
 270 #define GB_FW_BACKEND_FW_STATUS_NOT_SUPPORTED   0x07
 271
 272 #define GB_FW_BACKEND_VERSION_STATUS_SUCCESS            0x01
 273 #define GB_FW_BACKEND_VERSION_STATUS_NOT_AVAILABLE      0x02
 274 #define GB_FW_BACKEND_VERSION_STATUS_NOT_SUPPORTED      0x03
 275 #define GB_FW_BACKEND_VERSION_STATUS_RETRY              0x04
 276 #define GB_FW_BACKEND_VERSION_STATUS_FAIL_INT           0x05
 277
 278 /* firmware management interface firmware version request has no payload */
 279 struct gb_fw_mgmt_interface_fw_version_response {
 280         __u8                    firmware_tag[GB_FIRMWARE_TAG_MAX_SIZE];
 281         __le16                  major;
 282         __le16                  minor;
 283 } __packed;
 284
 285 /* firmware management load and validate firmware request/response */
 286 struct gb_fw_mgmt_load_and_validate_fw_request {
 287         __u8                    request_id;
 288         __u8                    load_method;
 289         __u8                    firmware_tag[GB_FIRMWARE_TAG_MAX_SIZE];
 290 } __packed;
 291 /* firmware management load and validate firmware response has no payload*/
 292
 293 /* firmware management loaded firmware request */
 294 struct gb_fw_mgmt_loaded_fw_request {
 295         __u8                    request_id;
 296         __u8                    status;
 297         __le16                  major;
 298         __le16                  minor;
 299 } __packed;
 300 /* firmware management loaded firmware response has no payload */
 301
 302 /* firmware management backend firmware version request/response */
 303 struct gb_fw_mgmt_backend_fw_version_request {
 304         __u8                    firmware_tag[GB_FIRMWARE_TAG_MAX_SIZE];
 305 } __packed;
 306
 307 struct gb_fw_mgmt_backend_fw_version_response {
 308         __le16                  major;
 309         __le16                  minor;
 310         __u8                    status;
 311 } __packed;
 312
 313 /* firmware management backend firmware update request */
 314 struct gb_fw_mgmt_backend_fw_update_request {
 315         __u8                    request_id;
 316         __u8                    firmware_tag[GB_FIRMWARE_TAG_MAX_SIZE];
 317 } __packed;
 318 /* firmware management backend firmware update response has no payload */
 319
 320 /* firmware management backend firmware updated request */
 321 struct gb_fw_mgmt_backend_fw_updated_request {
 322         __u8                    request_id;
 323         __u8                    status;
 324 } __packed;
 325 /* firmware management backend firmware updated response has no payload */
 326
 327
 328 /* Component Authentication Protocol (CAP) */
 329
 330 /* Request Types */
 331 #define GB_CAP_TYPE_GET_ENDPOINT_UID    0x01
 332 #define GB_CAP_TYPE_GET_IMS_CERTIFICATE 0x02
 333 #define GB_CAP_TYPE_AUTHENTICATE        0x03
 334
 335 /* CAP get endpoint uid request has no payload */
 336 struct gb_cap_get_endpoint_uid_response {
 337         __u8                    uid[8];
 338 } __packed;
 339
 340 /* CAP get endpoint ims certificate request/response */
 341 struct gb_cap_get_ims_certificate_request {
 342         __le32                  certificate_class;
 343         __le32                  certificate_id;
 344 } __packed;
 345
 346 struct gb_cap_get_ims_certificate_response {
 347         __u8                    result_code;
 348         __u8                    certificate[];
 349 } __packed;
 350
 351 /* CAP authenticate request/response */
 352 struct gb_cap_authenticate_request {
 353         __le32                  auth_type;
 354         __u8                    uid[8];
 355         __u8                    challenge[32];
 356 } __packed;
 357
 358 struct gb_cap_authenticate_response {
 359         __u8                    result_code;
 360         __u8                    response[64];
 361         __u8                    signature[];
 362 } __packed;
 363
 364
 365 /* Bootrom Protocol */
 366
 367 /* Version of the Greybus bootrom protocol we support */
 368 #define GB_BOOTROM_VERSION_MAJOR                0x00
 369 #define GB_BOOTROM_VERSION_MINOR                0x01
 370
 371 /* Greybus bootrom request types */
 372 #define GB_BOOTROM_TYPE_VERSION                 0x01
 373 #define GB_BOOTROM_TYPE_FIRMWARE_SIZE           0x02
 374 #define GB_BOOTROM_TYPE_GET_FIRMWARE            0x03
 375 #define GB_BOOTROM_TYPE_READY_TO_BOOT           0x04
 376 #define GB_BOOTROM_TYPE_AP_READY                0x05    /* Request with no-payload */
 377 #define GB_BOOTROM_TYPE_GET_VID_PID             0x06    /* Request with no-payload */
 378
 379 /* Greybus bootrom boot stages */
 380 #define GB_BOOTROM_BOOT_STAGE_ONE               0x01 /* Reserved for the boot ROM */
 381 #define GB_BOOTROM_BOOT_STAGE_TWO               0x02 /* Bootrom package to be loaded by the boot ROM */
 382 #define GB_BOOTROM_BOOT_STAGE_THREE             0x03 /* Module personality package loaded by Stage 2 firmware */
 383
 384 /* Greybus bootrom ready to boot status */
 385 #define GB_BOOTROM_BOOT_STATUS_INVALID          0x00 /* Firmware blob could not be validated */
 386 #define GB_BOOTROM_BOOT_STATUS_INSECURE         0x01 /* Firmware blob is valid but insecure */
 387 #define GB_BOOTROM_BOOT_STATUS_SECURE           0x02 /* Firmware blob is valid and secure */
 388
 389 /* Max bootrom data fetch size in bytes */
 390 #define GB_BOOTROM_FETCH_MAX                    2000
 391
 392 struct gb_bootrom_version_request {
 393         __u8    major;
 394         __u8    minor;
 395 } __packed;
 396
 397 struct gb_bootrom_version_response {
 398         __u8    major;
 399         __u8    minor;
 400 } __packed;
 401
 402 /* Bootrom protocol firmware size request/response */
 403 struct gb_bootrom_firmware_size_request {
 404         __u8                    stage;
 405 } __packed;
 406
 407 struct gb_bootrom_firmware_size_response {
 408         __le32                  size;
 409 } __packed;
 410
 411 /* Bootrom protocol get firmware request/response */
 412 struct gb_bootrom_get_firmware_request {
 413         __le32                  offset;
 414         __le32                  size;
 415 } __packed;
 416
 417 struct gb_bootrom_get_firmware_response {
 418         __u8                    data[0];
 419 } __packed;
 420
 421 /* Bootrom protocol Ready to boot request */
 422 struct gb_bootrom_ready_to_boot_request {
 423         __u8                    status;
 424 } __packed;
 425 /* Bootrom protocol Ready to boot response has no payload */
 426
 427 /* Bootrom protocol get VID/PID request has no payload */
 428 struct gb_bootrom_get_vid_pid_response {
 429         __le32                  vendor_id;
 430         __le32                  product_id;
 431 } __packed;
 432
 433
 434 /* Power Supply */
 435
 436 /* Greybus power supply request types */
 437 #define GB_POWER_SUPPLY_TYPE_GET_SUPPLIES               0x02
 438 #define GB_POWER_SUPPLY_TYPE_GET_DESCRIPTION            0x03
 439 #define GB_POWER_SUPPLY_TYPE_GET_PROP_DESCRIPTORS       0x04
 440 #define GB_POWER_SUPPLY_TYPE_GET_PROPERTY               0x05
 441 #define GB_POWER_SUPPLY_TYPE_SET_PROPERTY               0x06
 442 #define GB_POWER_SUPPLY_TYPE_EVENT                      0x07
 443
 444 /* Greybus power supply battery technologies types */
 445 #define GB_POWER_SUPPLY_TECH_UNKNOWN                    0x0000
 446 #define GB_POWER_SUPPLY_TECH_NiMH                       0x0001
 447 #define GB_POWER_SUPPLY_TECH_LION                       0x0002
 448 #define GB_POWER_SUPPLY_TECH_LIPO                       0x0003
 449 #define GB_POWER_SUPPLY_TECH_LiFe                       0x0004
 450 #define GB_POWER_SUPPLY_TECH_NiCd                       0x0005
 451 #define GB_POWER_SUPPLY_TECH_LiMn                       0x0006
 452
 453 /* Greybus power supply types */
 454 #define GB_POWER_SUPPLY_UNKNOWN_TYPE                    0x0000
 455 #define GB_POWER_SUPPLY_BATTERY_TYPE                    0x0001
 456 #define GB_POWER_SUPPLY_UPS_TYPE                        0x0002
 457 #define GB_POWER_SUPPLY_MAINS_TYPE                      0x0003
 458 #define GB_POWER_SUPPLY_USB_TYPE                        0x0004
 459 #define GB_POWER_SUPPLY_USB_DCP_TYPE                    0x0005
 460 #define GB_POWER_SUPPLY_USB_CDP_TYPE                    0x0006
 461 #define GB_POWER_SUPPLY_USB_ACA_TYPE                    0x0007
 462
 463 /* Greybus power supply health values */
 464 #define GB_POWER_SUPPLY_HEALTH_UNKNOWN                  0x0000
 465 #define GB_POWER_SUPPLY_HEALTH_GOOD                     0x0001
 466 #define GB_POWER_SUPPLY_HEALTH_OVERHEAT                 0x0002
 467 #define GB_POWER_SUPPLY_HEALTH_DEAD                     0x0003
 468 #define GB_POWER_SUPPLY_HEALTH_OVERVOLTAGE              0x0004
 469 #define GB_POWER_SUPPLY_HEALTH_UNSPEC_FAILURE           0x0005
 470 #define GB_POWER_SUPPLY_HEALTH_COLD                     0x0006
 471 #define GB_POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE    0x0007
 472 #define GB_POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE      0x0008
 473
 474 /* Greybus power supply status values */
 475 #define GB_POWER_SUPPLY_STATUS_UNKNOWN                  0x0000
 476 #define GB_POWER_SUPPLY_STATUS_CHARGING                 0x0001
 477 #define GB_POWER_SUPPLY_STATUS_DISCHARGING              0x0002
 478 #define GB_POWER_SUPPLY_STATUS_NOT_CHARGING             0x0003
 479 #define GB_POWER_SUPPLY_STATUS_FULL                     0x0004
 480
 481 /* Greybus power supply capacity level values */
 482 #define GB_POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN          0x0000
 483 #define GB_POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL         0x0001
 484 #define GB_POWER_SUPPLY_CAPACITY_LEVEL_LOW              0x0002
 485 #define GB_POWER_SUPPLY_CAPACITY_LEVEL_NORMAL           0x0003
 486 #define GB_POWER_SUPPLY_CAPACITY_LEVEL_HIGH             0x0004
 487 #define GB_POWER_SUPPLY_CAPACITY_LEVEL_FULL             0x0005
 488
 489 /* Greybus power supply scope values */
 490 #define GB_POWER_SUPPLY_SCOPE_UNKNOWN                   0x0000
 491 #define GB_POWER_SUPPLY_SCOPE_SYSTEM                    0x0001
 492 #define GB_POWER_SUPPLY_SCOPE_DEVICE                    0x0002
 493
 494 struct gb_power_supply_get_supplies_response {
 495         __u8    supplies_count;
 496 } __packed;
 497
 498 struct gb_power_supply_get_description_request {
 499         __u8    psy_id;
 500 } __packed;
 501
 502 struct gb_power_supply_get_description_response {
 503         __u8    manufacturer[32];
 504         __u8    model[32];
 505         __u8    serial_number[32];
 506         __le16  type;
 507         __u8    properties_count;
 508 } __packed;
 509
 510 struct gb_power_supply_props_desc {
 511         __u8    property;
 512 #define GB_POWER_SUPPLY_PROP_STATUS                             0x00
 513 #define GB_POWER_SUPPLY_PROP_CHARGE_TYPE                        0x01
 514 #define GB_POWER_SUPPLY_PROP_HEALTH                             0x02
 515 #define GB_POWER_SUPPLY_PROP_PRESENT                            0x03
 516 #define GB_POWER_SUPPLY_PROP_ONLINE                             0x04
 517 #define GB_POWER_SUPPLY_PROP_AUTHENTIC                          0x05
 518 #define GB_POWER_SUPPLY_PROP_TECHNOLOGY                         0x06
 519 #define GB_POWER_SUPPLY_PROP_CYCLE_COUNT                        0x07
 520 #define GB_POWER_SUPPLY_PROP_VOLTAGE_MAX                        0x08
 521 #define GB_POWER_SUPPLY_PROP_VOLTAGE_MIN                        0x09
 522 #define GB_POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN                 0x0A
 523 #define GB_POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN                 0x0B
 524 #define GB_POWER_SUPPLY_PROP_VOLTAGE_NOW                        0x0C
 525 #define GB_POWER_SUPPLY_PROP_VOLTAGE_AVG                        0x0D
 526 #define GB_POWER_SUPPLY_PROP_VOLTAGE_OCV                        0x0E
 527 #define GB_POWER_SUPPLY_PROP_VOLTAGE_BOOT                       0x0F
 528 #define GB_POWER_SUPPLY_PROP_CURRENT_MAX                        0x10
 529 #define GB_POWER_SUPPLY_PROP_CURRENT_NOW                        0x11
 530 #define GB_POWER_SUPPLY_PROP_CURRENT_AVG                        0x12
 531 #define GB_POWER_SUPPLY_PROP_CURRENT_BOOT                       0x13
 532 #define GB_POWER_SUPPLY_PROP_POWER_NOW                          0x14
 533 #define GB_POWER_SUPPLY_PROP_POWER_AVG                          0x15
 534 #define GB_POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN                 0x16
 535 #define GB_POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN                0x17
 536 #define GB_POWER_SUPPLY_PROP_CHARGE_FULL                        0x18
 537 #define GB_POWER_SUPPLY_PROP_CHARGE_EMPTY                       0x19
 538 #define GB_POWER_SUPPLY_PROP_CHARGE_NOW                         0x1A
 539 #define GB_POWER_SUPPLY_PROP_CHARGE_AVG                         0x1B
 540 #define GB_POWER_SUPPLY_PROP_CHARGE_COUNTER                     0x1C
 541 #define GB_POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT            0x1D
 542 #define GB_POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX        0x1E
 543 #define GB_POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE            0x1F
 544 #define GB_POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX        0x20
 545 #define GB_POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT               0x21
 546 #define GB_POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX           0x22
 547 #define GB_POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT                0x23
 548 #define GB_POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN                 0x24
 549 #define GB_POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN                0x25
 550 #define GB_POWER_SUPPLY_PROP_ENERGY_FULL                        0x26
 551 #define GB_POWER_SUPPLY_PROP_ENERGY_EMPTY                       0x27
 552 #define GB_POWER_SUPPLY_PROP_ENERGY_NOW                         0x28
 553 #define GB_POWER_SUPPLY_PROP_ENERGY_AVG                         0x29
 554 #define GB_POWER_SUPPLY_PROP_CAPACITY                           0x2A
 555 #define GB_POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN                 0x2B
 556 #define GB_POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX                 0x2C
 557 #define GB_POWER_SUPPLY_PROP_CAPACITY_LEVEL                     0x2D
 558 #define GB_POWER_SUPPLY_PROP_TEMP                               0x2E
 559 #define GB_POWER_SUPPLY_PROP_TEMP_MAX                           0x2F
 560 #define GB_POWER_SUPPLY_PROP_TEMP_MIN                           0x30
 561 #define GB_POWER_SUPPLY_PROP_TEMP_ALERT_MIN                     0x31
 562 #define GB_POWER_SUPPLY_PROP_TEMP_ALERT_MAX                     0x32
 563 #define GB_POWER_SUPPLY_PROP_TEMP_AMBIENT                       0x33
 564 #define GB_POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN             0x34
 565 #define GB_POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX             0x35
 566 #define GB_POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW                  0x36
 567 #define GB_POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG                  0x37
 568 #define GB_POWER_SUPPLY_PROP_TIME_TO_FULL_NOW                   0x38
 569 #define GB_POWER_SUPPLY_PROP_TIME_TO_FULL_AVG                   0x39
 570 #define GB_POWER_SUPPLY_PROP_TYPE                               0x3A
 571 #define GB_POWER_SUPPLY_PROP_SCOPE                              0x3B
 572 #define GB_POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT                0x3C
 573 #define GB_POWER_SUPPLY_PROP_CALIBRATE                          0x3D
 574         __u8    is_writeable;
 575 } __packed;
 576
 577 struct gb_power_supply_get_property_descriptors_request {
 578         __u8    psy_id;
 579 } __packed;
 580
 581 struct gb_power_supply_get_property_descriptors_response {
 582         __u8    properties_count;
 583         struct gb_power_supply_props_desc props[];
 584 } __packed;
 585
 586 struct gb_power_supply_get_property_request {
 587         __u8    psy_id;
 588         __u8    property;
 589 } __packed;
 590
 591 struct gb_power_supply_get_property_response {
 592         __le32  prop_val;
 593 };
 594
 595 struct gb_power_supply_set_property_request {
 596         __u8    psy_id;
 597         __u8    property;
 598         __le32  prop_val;
 599 } __packed;
 600
 601 struct gb_power_supply_event_request {
 602         __u8    psy_id;
 603         __u8    event;
 604 #define GB_POWER_SUPPLY_UPDATE          0x01
 605 } __packed;
 606
 607
 608 /* HID */
 609
 610 /* Greybus HID operation types */
 611 #define GB_HID_TYPE_GET_DESC            0x02
 612 #define GB_HID_TYPE_GET_REPORT_DESC     0x03
 613 #define GB_HID_TYPE_PWR_ON              0x04
 614 #define GB_HID_TYPE_PWR_OFF             0x05
 615 #define GB_HID_TYPE_GET_REPORT          0x06
 616 #define GB_HID_TYPE_SET_REPORT          0x07
 617 #define GB_HID_TYPE_IRQ_EVENT           0x08
 618
 619 /* Report type */
 620 #define GB_HID_INPUT_REPORT             0
 621 #define GB_HID_OUTPUT_REPORT            1
 622 #define GB_HID_FEATURE_REPORT           2
 623
 624 /* Different request/response structures */
 625 /* HID get descriptor response */
 626 struct gb_hid_desc_response {
 627         __u8                            bLength;
 628         __le16                          wReportDescLength;
 629         __le16                          bcdHID;
 630         __le16                          wProductID;
 631         __le16                          wVendorID;
 632         __u8                            bCountryCode;
 633 } __packed;
 634
 635 /* HID get report request/response */
 636 struct gb_hid_get_report_request {
 637         __u8                            report_type;
 638         __u8                            report_id;
 639 } __packed;
 640
 641 /* HID set report request */
 642 struct gb_hid_set_report_request {
 643         __u8                            report_type;
 644         __u8                            report_id;
 645         __u8                            report[];
 646 } __packed;
 647
 648 /* HID input report request, via interrupt pipe */
 649 struct gb_hid_input_report_request {
 650         __u8                            report[0];
 651 } __packed;
 652
 653
 654 /* I2C */
 655
 656 /* Greybus i2c request types */
 657 #define GB_I2C_TYPE_FUNCTIONALITY       0x02
 658 #define GB_I2C_TYPE_TRANSFER            0x05
 659
 660 /* functionality request has no payload */
 661 struct gb_i2c_functionality_response {
 662         __le32  functionality;
 663 } __packed;
 664
 665 /*
 666  * Outgoing data immediately follows the op count and ops array.
 667  * The data for each write (master -> slave) op in the array is sent
 668  * in order, with no (e.g. pad) bytes separating them.
 669  *
 670  * Short reads cause the entire transfer request to fail So response
 671  * payload consists only of bytes read, and the number of bytes is
 672  * exactly what was specified in the corresponding op.  Like
 673  * outgoing data, the incoming data is in order and contiguous.
 674  */
 675 struct gb_i2c_transfer_op {
 676         __le16  addr;
 677         __le16  flags;
 678         __le16  size;
 679 } __packed;
 680
 681 struct gb_i2c_transfer_request {
 682         __le16                          op_count;
 683         struct gb_i2c_transfer_op       ops[];          /* op_count of these */
 684 } __packed;
 685 struct gb_i2c_transfer_response {
 686         __u8                            data[0];        /* inbound data */
 687 } __packed;
 688
 689
 690 /* GPIO */
 691
 692 /* Greybus GPIO request types */
 693 #define GB_GPIO_TYPE_LINE_COUNT         0x02
 694 #define GB_GPIO_TYPE_ACTIVATE           0x03
 695 #define GB_GPIO_TYPE_DEACTIVATE         0x04
 696 #define GB_GPIO_TYPE_GET_DIRECTION      0x05
 697 #define GB_GPIO_TYPE_DIRECTION_IN       0x06
 698 #define GB_GPIO_TYPE_DIRECTION_OUT      0x07
 699 #define GB_GPIO_TYPE_GET_VALUE          0x08
 700 #define GB_GPIO_TYPE_SET_VALUE          0x09
 701 #define GB_GPIO_TYPE_SET_DEBOUNCE       0x0a
 702 #define GB_GPIO_TYPE_IRQ_TYPE           0x0b
 703 #define GB_GPIO_TYPE_IRQ_MASK           0x0c
 704 #define GB_GPIO_TYPE_IRQ_UNMASK         0x0d
 705 #define GB_GPIO_TYPE_IRQ_EVENT          0x0e
 706
 707 #define GB_GPIO_IRQ_TYPE_NONE           0x00
 708 #define GB_GPIO_IRQ_TYPE_EDGE_RISING    0x01
 709 #define GB_GPIO_IRQ_TYPE_EDGE_FALLING   0x02
 710 #define GB_GPIO_IRQ_TYPE_EDGE_BOTH      0x03
 711 #define GB_GPIO_IRQ_TYPE_LEVEL_HIGH     0x04
 712 #define GB_GPIO_IRQ_TYPE_LEVEL_LOW      0x08
 713
 714 /* line count request has no payload */
 715 struct gb_gpio_line_count_response {
 716         __u8    count;
 717 } __packed;
 718
 719 struct gb_gpio_activate_request {
 720         __u8    which;
 721 } __packed;
 722 /* activate response has no payload */
 723
 724 struct gb_gpio_deactivate_request {
 725         __u8    which;
 726 } __packed;
 727 /* deactivate response has no payload */
 728
 729 struct gb_gpio_get_direction_request {
 730         __u8    which;
 731 } __packed;
 732 struct gb_gpio_get_direction_response {
 733         __u8    direction;
 734 } __packed;
 735
 736 struct gb_gpio_direction_in_request {
 737         __u8    which;
 738 } __packed;
 739 /* direction in response has no payload */
 740
 741 struct gb_gpio_direction_out_request {
 742         __u8    which;
 743         __u8    value;
 744 } __packed;
 745 /* direction out response has no payload */
 746
 747 struct gb_gpio_get_value_request {
 748         __u8    which;
 749 } __packed;
 750 struct gb_gpio_get_value_response {
 751         __u8    value;
 752 } __packed;
 753
 754 struct gb_gpio_set_value_request {
 755         __u8    which;
 756         __u8    value;
 757 } __packed;
 758 /* set value response has no payload */
 759
 760 struct gb_gpio_set_debounce_request {
 761         __u8    which;
 762         __le16  usec;
 763 } __packed;
 764 /* debounce response has no payload */
 765
 766 struct gb_gpio_irq_type_request {
 767         __u8    which;
 768         __u8    type;
 769 } __packed;
 770 /* irq type response has no payload */
 771
 772 struct gb_gpio_irq_mask_request {
 773         __u8    which;
 774 } __packed;
 775 /* irq mask response has no payload */
 776
 777 struct gb_gpio_irq_unmask_request {
 778         __u8    which;
 779 } __packed;
 780 /* irq unmask response has no payload */
 781
 782 /* irq event requests originate on another module and are handled on the AP */
 783 struct gb_gpio_irq_event_request {
 784         __u8    which;
 785 } __packed;
 786 /* irq event has no response */
 787
 788
 789 /* PWM */
 790
 791 /* Greybus PWM operation types */
 792 #define GB_PWM_TYPE_PWM_COUNT           0x02
 793 #define GB_PWM_TYPE_ACTIVATE            0x03
 794 #define GB_PWM_TYPE_DEACTIVATE          0x04
 795 #define GB_PWM_TYPE_CONFIG              0x05
 796 #define GB_PWM_TYPE_POLARITY            0x06
 797 #define GB_PWM_TYPE_ENABLE              0x07
 798 #define GB_PWM_TYPE_DISABLE             0x08
 799
 800 /* pwm count request has no payload */
 801 struct gb_pwm_count_response {
 802         __u8    count;
 803 } __packed;
 804
 805 struct gb_pwm_activate_request {
 806         __u8    which;
 807 } __packed;
 808
 809 struct gb_pwm_deactivate_request {
 810         __u8    which;
 811 } __packed;
 812
 813 struct gb_pwm_config_request {
 814         __u8    which;
 815         __le32  duty;
 816         __le32  period;
 817 } __packed;
 818
 819 struct gb_pwm_polarity_request {
 820         __u8    which;
 821         __u8    polarity;
 822 } __packed;
 823
 824 struct gb_pwm_enable_request {
 825         __u8    which;
 826 } __packed;
 827
 828 struct gb_pwm_disable_request {
 829         __u8    which;
 830 } __packed;
 831
 832 /* SPI */
 833
 834 /* Should match up with modes in linux/spi/spi.h */
 835 #define GB_SPI_MODE_CPHA                0x01            /* clock phase */
 836 #define GB_SPI_MODE_CPOL                0x02            /* clock polarity */
 837 #define GB_SPI_MODE_MODE_0              (0 | 0)         /* (original MicroWire) */
 838 #define GB_SPI_MODE_MODE_1              (0 | GB_SPI_MODE_CPHA)
 839 #define GB_SPI_MODE_MODE_2              (GB_SPI_MODE_CPOL | 0)
 840 #define GB_SPI_MODE_MODE_3              (GB_SPI_MODE_CPOL | GB_SPI_MODE_CPHA)
 841 #define GB_SPI_MODE_CS_HIGH             0x04            /* chipselect active high? */
 842 #define GB_SPI_MODE_LSB_FIRST           0x08            /* per-word bits-on-wire */
 843 #define GB_SPI_MODE_3WIRE               0x10            /* SI/SO signals shared */
 844 #define GB_SPI_MODE_LOOP                0x20            /* loopback mode */
 845 #define GB_SPI_MODE_NO_CS               0x40            /* 1 dev/bus, no chipselect */
 846 #define GB_SPI_MODE_READY               0x80            /* slave pulls low to pause */
 847
 848 /* Should match up with flags in linux/spi/spi.h */
 849 #define GB_SPI_FLAG_HALF_DUPLEX         BIT(0)          /* can't do full duplex */
 850 #define GB_SPI_FLAG_NO_RX               BIT(1)          /* can't do buffer read */
 851 #define GB_SPI_FLAG_NO_TX               BIT(2)          /* can't do buffer write */
 852
 853 /* Greybus spi operation types */
 854 #define GB_SPI_TYPE_MASTER_CONFIG       0x02
 855 #define GB_SPI_TYPE_DEVICE_CONFIG       0x03
 856 #define GB_SPI_TYPE_TRANSFER            0x04
 857
 858 /* mode request has no payload */
 859 struct gb_spi_master_config_response {
 860         __le32  bits_per_word_mask;
 861         __le32  min_speed_hz;
 862         __le32  max_speed_hz;
 863         __le16  mode;
 864         __le16  flags;
 865         __u8    num_chipselect;
 866 } __packed;
 867
 868 struct gb_spi_device_config_request {
 869         __u8    chip_select;
 870 } __packed;
 871
 872 struct gb_spi_device_config_response {
 873         __le16  mode;
 874         __u8    bits_per_word;
 875         __le32  max_speed_hz;
 876         __u8    device_type;
 877 #define GB_SPI_SPI_DEV          0x00
 878 #define GB_SPI_SPI_NOR          0x01
 879 #define GB_SPI_SPI_MODALIAS     0x02
 880         __u8    name[32];
 881 } __packed;
 882
 883 /**
 884  * struct gb_spi_transfer - a read/write buffer pair
 885  * @speed_hz: Select a speed other than the device default for this transfer. If
 886  *      0 the default (from @spi_device) is used.
 887  * @len: size of rx and tx buffers (in bytes)
 888  * @delay_usecs: microseconds to delay after this transfer before (optionally)
 889  *      changing the chipselect status, then starting the next transfer or
 890  *      completing this spi_message.
 891  * @cs_change: affects chipselect after this transfer completes
 892  * @bits_per_word: select a bits_per_word other than the device default for this
 893  *      transfer. If 0 the default (from @spi_device) is used.
 894  */
 895 struct gb_spi_transfer {
 896         __le32          speed_hz;
 897         __le32          len;
 898         __le16          delay_usecs;
 899         __u8            cs_change;
 900         __u8            bits_per_word;
 901         __u8            xfer_flags;
 902 #define GB_SPI_XFER_READ        0x01
 903 #define GB_SPI_XFER_WRITE       0x02
 904 #define GB_SPI_XFER_INPROGRESS  0x04
 905 } __packed;
 906
 907 struct gb_spi_transfer_request {
 908         __u8                    chip_select;    /* of the spi device */
 909         __u8                    mode;           /* of the spi device */
 910         __le16                  count;
 911         struct gb_spi_transfer  transfers[];    /* count of these */
 912 } __packed;
 913
 914 struct gb_spi_transfer_response {
 915         __u8                    data[0];        /* inbound data */
 916 } __packed;
 917
 918 /* Version of the Greybus SVC protocol we support */
 919 #define GB_SVC_VERSION_MAJOR            0x00
 920 #define GB_SVC_VERSION_MINOR            0x01
 921
 922 /* Greybus SVC request types */
 923 #define GB_SVC_TYPE_PROTOCOL_VERSION            0x01
 924 #define GB_SVC_TYPE_SVC_HELLO                   0x02
 925 #define GB_SVC_TYPE_INTF_DEVICE_ID              0x03
 926 #define GB_SVC_TYPE_INTF_RESET                  0x06
 927 #define GB_SVC_TYPE_CONN_CREATE                 0x07
 928 #define GB_SVC_TYPE_CONN_DESTROY                0x08
 929 #define GB_SVC_TYPE_DME_PEER_GET                0x09
 930 #define GB_SVC_TYPE_DME_PEER_SET                0x0a
 931 #define GB_SVC_TYPE_ROUTE_CREATE                0x0b
 932 #define GB_SVC_TYPE_ROUTE_DESTROY               0x0c
 933 #define GB_SVC_TYPE_TIMESYNC_ENABLE             0x0d
 934 #define GB_SVC_TYPE_TIMESYNC_DISABLE            0x0e
 935 #define GB_SVC_TYPE_TIMESYNC_AUTHORITATIVE      0x0f
 936 #define GB_SVC_TYPE_INTF_SET_PWRM               0x10
 937 #define GB_SVC_TYPE_INTF_EJECT                  0x11
 938 #define GB_SVC_TYPE_PING                        0x13
 939 #define GB_SVC_TYPE_PWRMON_RAIL_COUNT_GET       0x14
 940 #define GB_SVC_TYPE_PWRMON_RAIL_NAMES_GET       0x15
 941 #define GB_SVC_TYPE_PWRMON_SAMPLE_GET           0x16
 942 #define GB_SVC_TYPE_PWRMON_INTF_SAMPLE_GET      0x17
 943 #define GB_SVC_TYPE_TIMESYNC_WAKE_PINS_ACQUIRE  0x18
 944 #define GB_SVC_TYPE_TIMESYNC_WAKE_PINS_RELEASE  0x19
 945 #define GB_SVC_TYPE_TIMESYNC_PING               0x1a
 946 #define GB_SVC_TYPE_MODULE_INSERTED             0x1f
 947 #define GB_SVC_TYPE_MODULE_REMOVED              0x20
 948 #define GB_SVC_TYPE_INTF_VSYS_ENABLE            0x21
 949 #define GB_SVC_TYPE_INTF_VSYS_DISABLE           0x22
 950 #define GB_SVC_TYPE_INTF_REFCLK_ENABLE          0x23
 951 #define GB_SVC_TYPE_INTF_REFCLK_DISABLE         0x24
 952 #define GB_SVC_TYPE_INTF_UNIPRO_ENABLE          0x25
 953 #define GB_SVC_TYPE_INTF_UNIPRO_DISABLE         0x26
 954 #define GB_SVC_TYPE_INTF_ACTIVATE               0x27
 955 #define GB_SVC_TYPE_INTF_RESUME                 0x28
 956 #define GB_SVC_TYPE_INTF_MAILBOX_EVENT          0x29
 957 #define GB_SVC_TYPE_INTF_OOPS                   0x2a
 958
 959 /* Greybus SVC protocol status values */
 960 #define GB_SVC_OP_SUCCESS                       0x00
 961 #define GB_SVC_OP_UNKNOWN_ERROR                 0x01
 962 #define GB_SVC_INTF_NOT_DETECTED                0x02
 963 #define GB_SVC_INTF_NO_UPRO_LINK                0x03
 964 #define GB_SVC_INTF_UPRO_NOT_DOWN               0x04
 965 #define GB_SVC_INTF_UPRO_NOT_HIBERNATED         0x05
 966 #define GB_SVC_INTF_NO_V_SYS                    0x06
 967 #define GB_SVC_INTF_V_CHG                       0x07
 968 #define GB_SVC_INTF_WAKE_BUSY                   0x08
 969 #define GB_SVC_INTF_NO_REFCLK                   0x09
 970 #define GB_SVC_INTF_RELEASING                   0x0a
 971 #define GB_SVC_INTF_NO_ORDER                    0x0b
 972 #define GB_SVC_INTF_MBOX_SET                    0x0c
 973 #define GB_SVC_INTF_BAD_MBOX                    0x0d
 974 #define GB_SVC_INTF_OP_TIMEOUT                  0x0e
 975 #define GB_SVC_PWRMON_OP_NOT_PRESENT            0x0f
 976
 977 struct gb_svc_version_request {
 978         __u8    major;
 979         __u8    minor;
 980 } __packed;
 981
 982 struct gb_svc_version_response {
 983         __u8    major;
 984         __u8    minor;
 985 } __packed;
 986
 987 /* SVC protocol hello request */
 988 struct gb_svc_hello_request {
 989         __le16                  endo_id;
 990         __u8                    interface_id;
 991 } __packed;
 992 /* hello response has no payload */
 993
 994 struct gb_svc_intf_device_id_request {
 995         __u8    intf_id;
 996         __u8    device_id;
 997 } __packed;
 998 /* device id response has no payload */
 999
1000 struct gb_svc_intf_reset_request {
1001         __u8    intf_id;
1002 } __packed;
1003 /* interface reset response has no payload */
1004
1005 struct gb_svc_intf_eject_request {
1006         __u8    intf_id;
1007 } __packed;
1008 /* interface eject response has no payload */
1009
1010 struct gb_svc_conn_create_request {
1011         __u8    intf1_id;
1012         __le16  cport1_id;
1013         __u8    intf2_id;
1014         __le16  cport2_id;
1015         __u8    tc;
1016         __u8    flags;
1017 } __packed;
1018 /* connection create response has no payload */
1019
1020 struct gb_svc_conn_destroy_request {
1021         __u8    intf1_id;
1022         __le16  cport1_id;
1023         __u8    intf2_id;
1024         __le16  cport2_id;
1025 } __packed;
1026 /* connection destroy response has no payload */
1027
1028 struct gb_svc_dme_peer_get_request {
1029         __u8    intf_id;
1030         __le16  attr;
1031         __le16  selector;
1032 } __packed;
1033
1034 struct gb_svc_dme_peer_get_response {
1035         __le16  result_code;
1036         __le32  attr_value;
1037 } __packed;
1038
1039 struct gb_svc_dme_peer_set_request {
1040         __u8    intf_id;
1041         __le16  attr;
1042         __le16  selector;
1043         __le32  value;
1044 } __packed;
1045
1046 struct gb_svc_dme_peer_set_response {
1047         __le16  result_code;
1048 } __packed;
1049
1050 /* Greybus init-status values, currently retrieved using DME peer gets. */
1051 #define GB_INIT_SPI_BOOT_STARTED                        0x02
1052 #define GB_INIT_TRUSTED_SPI_BOOT_FINISHED               0x03
1053 #define GB_INIT_UNTRUSTED_SPI_BOOT_FINISHED             0x04
1054 #define GB_INIT_BOOTROM_UNIPRO_BOOT_STARTED             0x06
1055 #define GB_INIT_BOOTROM_FALLBACK_UNIPRO_BOOT_STARTED    0x09
1056 #define GB_INIT_S2_LOADER_BOOT_STARTED                  0x0D
1057
1058 struct gb_svc_route_create_request {
1059         __u8    intf1_id;
1060         __u8    dev1_id;
1061         __u8    intf2_id;
1062         __u8    dev2_id;
1063 } __packed;
1064 /* route create response has no payload */
1065
1066 struct gb_svc_route_destroy_request {
1067         __u8    intf1_id;
1068         __u8    intf2_id;
1069 } __packed;
1070 /* route destroy response has no payload */
1071
1072 /* used for svc_intf_vsys_{enable,disable} */
1073 struct gb_svc_intf_vsys_request {
1074         __u8    intf_id;
1075 } __packed;
1076
1077 struct gb_svc_intf_vsys_response {
1078         __u8    result_code;
1079 #define GB_SVC_INTF_VSYS_OK                             0x00
1080         /* 0x01 is reserved */
1081 #define GB_SVC_INTF_VSYS_FAIL                           0x02
1082 } __packed;
1083
1084 /* used for svc_intf_refclk_{enable,disable} */
1085 struct gb_svc_intf_refclk_request {
1086         __u8    intf_id;
1087 } __packed;
1088
1089 struct gb_svc_intf_refclk_response {
1090         __u8    result_code;
1091 #define GB_SVC_INTF_REFCLK_OK                           0x00
1092         /* 0x01 is reserved */
1093 #define GB_SVC_INTF_REFCLK_FAIL                         0x02
1094 } __packed;
1095
1096 /* used for svc_intf_unipro_{enable,disable} */
1097 struct gb_svc_intf_unipro_request {
1098         __u8    intf_id;
1099 } __packed;
1100
1101 struct gb_svc_intf_unipro_response {
1102         __u8    result_code;
1103 #define GB_SVC_INTF_UNIPRO_OK                           0x00
1104         /* 0x01 is reserved */
1105 #define GB_SVC_INTF_UNIPRO_FAIL                         0x02
1106 #define GB_SVC_INTF_UNIPRO_NOT_OFF                      0x03
1107 } __packed;
1108
1109 #define GB_SVC_UNIPRO_FAST_MODE                 0x01
1110 #define GB_SVC_UNIPRO_SLOW_MODE                 0x02
1111 #define GB_SVC_UNIPRO_FAST_AUTO_MODE            0x04
1112 #define GB_SVC_UNIPRO_SLOW_AUTO_MODE            0x05
1113 #define GB_SVC_UNIPRO_MODE_UNCHANGED            0x07
1114 #define GB_SVC_UNIPRO_HIBERNATE_MODE            0x11
1115 #define GB_SVC_UNIPRO_OFF_MODE                  0x12
1116
1117 #define GB_SVC_SMALL_AMPLITUDE          0x01
1118 #define GB_SVC_LARGE_AMPLITUDE          0x02
1119
1120 #define GB_SVC_NO_DE_EMPHASIS           0x00
1121 #define GB_SVC_SMALL_DE_EMPHASIS        0x01
1122 #define GB_SVC_LARGE_DE_EMPHASIS        0x02
1123
1124 #define GB_SVC_PWRM_RXTERMINATION               0x01
1125 #define GB_SVC_PWRM_TXTERMINATION               0x02
1126 #define GB_SVC_PWRM_LINE_RESET                  0x04
1127 #define GB_SVC_PWRM_SCRAMBLING                  0x20
1128
1129 #define GB_SVC_PWRM_QUIRK_HSSER                 0x00000001
1130
1131 #define GB_SVC_UNIPRO_HS_SERIES_A               0x01
1132 #define GB_SVC_UNIPRO_HS_SERIES_B               0x02
1133
1134 #define GB_SVC_SETPWRM_PWR_OK           0x00
1135 #define GB_SVC_SETPWRM_PWR_LOCAL        0x01
1136 #define GB_SVC_SETPWRM_PWR_REMOTE       0x02
1137 #define GB_SVC_SETPWRM_PWR_BUSY         0x03
1138 #define GB_SVC_SETPWRM_PWR_ERROR_CAP    0x04
1139 #define GB_SVC_SETPWRM_PWR_FATAL_ERROR  0x05
1140
1141 struct gb_svc_l2_timer_cfg {
1142         __le16 tsb_fc0_protection_timeout;
1143         __le16 tsb_tc0_replay_timeout;
1144         __le16 tsb_afc0_req_timeout;
1145         __le16 tsb_fc1_protection_timeout;
1146         __le16 tsb_tc1_replay_timeout;
1147         __le16 tsb_afc1_req_timeout;
1148         __le16 reserved_for_tc2[3];
1149         __le16 reserved_for_tc3[3];
1150 } __packed;
1151
1152 struct gb_svc_intf_set_pwrm_request {
1153         __u8    intf_id;
1154         __u8    hs_series;
1155         __u8    tx_mode;
1156         __u8    tx_gear;
1157         __u8    tx_nlanes;
1158         __u8    tx_amplitude;
1159         __u8    tx_hs_equalizer;
1160         __u8    rx_mode;
1161         __u8    rx_gear;
1162         __u8    rx_nlanes;
1163         __u8    flags;
1164         __le32  quirks;
1165         struct gb_svc_l2_timer_cfg local_l2timerdata, remote_l2timerdata;
1166 } __packed;
1167
1168 struct gb_svc_intf_set_pwrm_response {
1169         __u8    result_code;
1170 } __packed;
1171
1172 struct gb_svc_key_event_request {
1173         __le16  key_code;
1174 #define GB_KEYCODE_ARA         0x00
1175
1176         __u8    key_event;
1177 #define GB_SVC_KEY_RELEASED    0x00
1178 #define GB_SVC_KEY_PRESSED     0x01
1179 } __packed;
1180
1181 #define GB_SVC_PWRMON_MAX_RAIL_COUNT            254
1182
1183 struct gb_svc_pwrmon_rail_count_get_response {
1184         __u8    rail_count;
1185 } __packed;
1186
1187 #define GB_SVC_PWRMON_RAIL_NAME_BUFSIZE         32
1188
1189 struct gb_svc_pwrmon_rail_names_get_response {
1190         __u8    status;
1191         __u8    name[][GB_SVC_PWRMON_RAIL_NAME_BUFSIZE];
1192 } __packed;
1193
1194 #define GB_SVC_PWRMON_TYPE_CURR                 0x01
1195 #define GB_SVC_PWRMON_TYPE_VOL                  0x02
1196 #define GB_SVC_PWRMON_TYPE_PWR                  0x03
1197
1198 #define GB_SVC_PWRMON_GET_SAMPLE_OK             0x00
1199 #define GB_SVC_PWRMON_GET_SAMPLE_INVAL          0x01
1200 #define GB_SVC_PWRMON_GET_SAMPLE_NOSUPP         0x02
1201 #define GB_SVC_PWRMON_GET_SAMPLE_HWERR          0x03
1202
1203 struct gb_svc_pwrmon_sample_get_request {
1204         __u8    rail_id;
1205         __u8    measurement_type;
1206 } __packed;
1207
1208 struct gb_svc_pwrmon_sample_get_response {
1209         __u8    result;
1210         __le32  measurement;
1211 } __packed;
1212
1213 struct gb_svc_pwrmon_intf_sample_get_request {
1214         __u8    intf_id;
1215         __u8    measurement_type;
1216 } __packed;
1217
1218 struct gb_svc_pwrmon_intf_sample_get_response {
1219         __u8    result;
1220         __le32  measurement;
1221 } __packed;
1222
1223 #define GB_SVC_MODULE_INSERTED_FLAG_NO_PRIMARY  0x0001
1224
1225 struct gb_svc_module_inserted_request {
1226         __u8    primary_intf_id;
1227         __u8    intf_count;
1228         __le16  flags;
1229 } __packed;
1230 /* module_inserted response has no payload */
1231
1232 struct gb_svc_module_removed_request {
1233         __u8    primary_intf_id;
1234 } __packed;
1235 /* module_removed response has no payload */
1236
1237 struct gb_svc_intf_activate_request {
1238         __u8    intf_id;
1239 } __packed;
1240
1241 #define GB_SVC_INTF_TYPE_UNKNOWN                0x00
1242 #define GB_SVC_INTF_TYPE_DUMMY                  0x01
1243 #define GB_SVC_INTF_TYPE_UNIPRO                 0x02
1244 #define GB_SVC_INTF_TYPE_GREYBUS                0x03
1245
1246 struct gb_svc_intf_activate_response {
1247         __u8    status;
1248         __u8    intf_type;
1249 } __packed;
1250
1251 struct gb_svc_intf_resume_request {
1252         __u8    intf_id;
1253 } __packed;
1254
1255 struct gb_svc_intf_resume_response {
1256         __u8    status;
1257 } __packed;
1258
1259 #define GB_SVC_INTF_MAILBOX_NONE                0x00
1260 #define GB_SVC_INTF_MAILBOX_AP                  0x01
1261 #define GB_SVC_INTF_MAILBOX_GREYBUS             0x02
1262
1263 struct gb_svc_intf_mailbox_event_request {
1264         __u8    intf_id;
1265         __le16  result_code;
1266         __le32  mailbox;
1267 } __packed;
1268 /* intf_mailbox_event response has no payload */
1269
1270 struct gb_svc_intf_oops_request {
1271         __u8    intf_id;
1272         __u8    reason;
1273 } __packed;
1274 /* intf_oops response has no payload */
1275
1276
1277 /* RAW */
1278
1279 /* Greybus raw request types */
1280 #define GB_RAW_TYPE_SEND                        0x02
1281
1282 struct gb_raw_send_request {
1283         __le32  len;
1284         __u8    data[];
1285 } __packed;
1286
1287
1288 /* UART */
1289
1290 /* Greybus UART operation types */
1291 #define GB_UART_TYPE_SEND_DATA                  0x02
1292 #define GB_UART_TYPE_RECEIVE_DATA               0x03    /* Unsolicited data */
1293 #define GB_UART_TYPE_SET_LINE_CODING            0x04
1294 #define GB_UART_TYPE_SET_CONTROL_LINE_STATE     0x05
1295 #define GB_UART_TYPE_SEND_BREAK                 0x06
1296 #define GB_UART_TYPE_SERIAL_STATE               0x07    /* Unsolicited data */
1297 #define GB_UART_TYPE_RECEIVE_CREDITS            0x08
1298 #define GB_UART_TYPE_FLUSH_FIFOS                0x09
1299
1300 /* Represents data from AP -> Module */
1301 struct gb_uart_send_data_request {
1302         __le16  size;
1303         __u8    data[];
1304 } __packed;
1305
1306 /* recv-data-request flags */
1307 #define GB_UART_RECV_FLAG_FRAMING               0x01    /* Framing error */
1308 #define GB_UART_RECV_FLAG_PARITY                0x02    /* Parity error */
1309 #define GB_UART_RECV_FLAG_OVERRUN               0x04    /* Overrun error */
1310 #define GB_UART_RECV_FLAG_BREAK                 0x08    /* Break */
1311
1312 /* Represents data from Module -> AP */
1313 struct gb_uart_recv_data_request {
1314         __le16  size;
1315         __u8    flags;
1316         __u8    data[];
1317 } __packed;
1318
1319 struct gb_uart_receive_credits_request {
1320         __le16  count;
1321 } __packed;
1322
1323 struct gb_uart_set_line_coding_request {
1324         __le32  rate;
1325         __u8    format;
1326 #define GB_SERIAL_1_STOP_BITS                   0
1327 #define GB_SERIAL_1_5_STOP_BITS                 1
1328 #define GB_SERIAL_2_STOP_BITS                   2
1329
1330         __u8    parity;
1331 #define GB_SERIAL_NO_PARITY                     0
1332 #define GB_SERIAL_ODD_PARITY                    1
1333 #define GB_SERIAL_EVEN_PARITY                   2
1334 #define GB_SERIAL_MARK_PARITY                   3
1335 #define GB_SERIAL_SPACE_PARITY                  4
1336
1337         __u8    data_bits;
1338
1339         __u8    flow_control;
1340 #define GB_SERIAL_AUTO_RTSCTS_EN                0x1
1341 } __packed;
1342
1343 /* output control lines */
1344 #define GB_UART_CTRL_DTR                        0x01
1345 #define GB_UART_CTRL_RTS                        0x02
1346
1347 struct gb_uart_set_control_line_state_request {
1348         __u8    control;
1349 } __packed;
1350
1351 struct gb_uart_set_break_request {
1352         __u8    state;
1353 } __packed;
1354
1355 /* input control lines and line errors */
1356 #define GB_UART_CTRL_DCD                        0x01
1357 #define GB_UART_CTRL_DSR                        0x02
1358 #define GB_UART_CTRL_RI                         0x04
1359
1360 struct gb_uart_serial_state_request {
1361         __u8    control;
1362 } __packed;
1363
1364 struct gb_uart_serial_flush_request {
1365         __u8    flags;
1366 #define GB_SERIAL_FLAG_FLUSH_TRANSMITTER        0x01
1367 #define GB_SERIAL_FLAG_FLUSH_RECEIVER           0x02
1368 } __packed;
1369
1370 /* Loopback */
1371
1372 /* Greybus loopback request types */
1373 #define GB_LOOPBACK_TYPE_PING                   0x02
1374 #define GB_LOOPBACK_TYPE_TRANSFER               0x03
1375 #define GB_LOOPBACK_TYPE_SINK                   0x04
1376
1377 /*
1378  * Loopback request/response header format should be identical
1379  * to simplify bandwidth and data movement analysis.
1380  */
1381 struct gb_loopback_transfer_request {
1382         __le32  len;
1383         __le32  reserved0;
1384         __le32  reserved1;
1385         __u8    data[];
1386 } __packed;
1387
1388 struct gb_loopback_transfer_response {
1389         __le32  len;
1390         __le32  reserved0;
1391         __le32  reserved1;
1392         __u8    data[];
1393 } __packed;
1394
1395 /* SDIO */
1396 /* Greybus SDIO operation types */
1397 #define GB_SDIO_TYPE_GET_CAPABILITIES           0x02
1398 #define GB_SDIO_TYPE_SET_IOS                    0x03
1399 #define GB_SDIO_TYPE_COMMAND                    0x04
1400 #define GB_SDIO_TYPE_TRANSFER                   0x05
1401 #define GB_SDIO_TYPE_EVENT                      0x06
1402
1403 /* get caps response: request has no payload */
1404 struct gb_sdio_get_caps_response {
1405         __le32  caps;
1406 #define GB_SDIO_CAP_NONREMOVABLE        0x00000001
1407 #define GB_SDIO_CAP_4_BIT_DATA          0x00000002
1408 #define GB_SDIO_CAP_8_BIT_DATA          0x00000004
1409 #define GB_SDIO_CAP_MMC_HS              0x00000008
1410 #define GB_SDIO_CAP_SD_HS               0x00000010
1411 #define GB_SDIO_CAP_ERASE               0x00000020
1412 #define GB_SDIO_CAP_1_2V_DDR            0x00000040
1413 #define GB_SDIO_CAP_1_8V_DDR            0x00000080
1414 #define GB_SDIO_CAP_POWER_OFF_CARD      0x00000100
1415 #define GB_SDIO_CAP_UHS_SDR12           0x00000200
1416 #define GB_SDIO_CAP_UHS_SDR25           0x00000400
1417 #define GB_SDIO_CAP_UHS_SDR50           0x00000800
1418 #define GB_SDIO_CAP_UHS_SDR104          0x00001000
1419 #define GB_SDIO_CAP_UHS_DDR50           0x00002000
1420 #define GB_SDIO_CAP_DRIVER_TYPE_A       0x00004000
1421 #define GB_SDIO_CAP_DRIVER_TYPE_C       0x00008000
1422 #define GB_SDIO_CAP_DRIVER_TYPE_D       0x00010000
1423 #define GB_SDIO_CAP_HS200_1_2V          0x00020000
1424 #define GB_SDIO_CAP_HS200_1_8V          0x00040000
1425 #define GB_SDIO_CAP_HS400_1_2V          0x00080000
1426 #define GB_SDIO_CAP_HS400_1_8V          0x00100000
1427
1428         /* see possible values below at vdd */
1429         __le32 ocr;
1430         __le32 f_min;
1431         __le32 f_max;
1432         __le16 max_blk_count;
1433         __le16 max_blk_size;
1434 } __packed;
1435
1436 /* set ios request: response has no payload */
1437 struct gb_sdio_set_ios_request {
1438         __le32  clock;
1439         __le32  vdd;
1440 #define GB_SDIO_VDD_165_195     0x00000001
1441 #define GB_SDIO_VDD_20_21       0x00000002
1442 #define GB_SDIO_VDD_21_22       0x00000004
1443 #define GB_SDIO_VDD_22_23       0x00000008
1444 #define GB_SDIO_VDD_23_24       0x00000010
1445 #define GB_SDIO_VDD_24_25       0x00000020
1446 #define GB_SDIO_VDD_25_26       0x00000040
1447 #define GB_SDIO_VDD_26_27       0x00000080
1448 #define GB_SDIO_VDD_27_28       0x00000100
1449 #define GB_SDIO_VDD_28_29       0x00000200
1450 #define GB_SDIO_VDD_29_30       0x00000400
1451 #define GB_SDIO_VDD_30_31       0x00000800
1452 #define GB_SDIO_VDD_31_32       0x00001000
1453 #define GB_SDIO_VDD_32_33       0x00002000
1454 #define GB_SDIO_VDD_33_34       0x00004000
1455 #define GB_SDIO_VDD_34_35       0x00008000
1456 #define GB_SDIO_VDD_35_36       0x00010000
1457
1458         __u8    bus_mode;
1459 #define GB_SDIO_BUSMODE_OPENDRAIN       0x00
1460 #define GB_SDIO_BUSMODE_PUSHPULL        0x01
1461
1462         __u8    power_mode;
1463 #define GB_SDIO_POWER_OFF       0x00
1464 #define GB_SDIO_POWER_UP        0x01
1465 #define GB_SDIO_POWER_ON        0x02
1466 #define GB_SDIO_POWER_UNDEFINED 0x03
1467
1468         __u8    bus_width;
1469 #define GB_SDIO_BUS_WIDTH_1     0x00
1470 #define GB_SDIO_BUS_WIDTH_4     0x02
1471 #define GB_SDIO_BUS_WIDTH_8     0x03
1472
1473         __u8    timing;
1474 #define GB_SDIO_TIMING_LEGACY           0x00
1475 #define GB_SDIO_TIMING_MMC_HS           0x01
1476 #define GB_SDIO_TIMING_SD_HS            0x02
1477 #define GB_SDIO_TIMING_UHS_SDR12        0x03
1478 #define GB_SDIO_TIMING_UHS_SDR25        0x04
1479 #define GB_SDIO_TIMING_UHS_SDR50        0x05
1480 #define GB_SDIO_TIMING_UHS_SDR104       0x06
1481 #define GB_SDIO_TIMING_UHS_DDR50        0x07
1482 #define GB_SDIO_TIMING_MMC_DDR52        0x08
1483 #define GB_SDIO_TIMING_MMC_HS200        0x09
1484 #define GB_SDIO_TIMING_MMC_HS400        0x0A
1485
1486         __u8    signal_voltage;
1487 #define GB_SDIO_SIGNAL_VOLTAGE_330      0x00
1488 #define GB_SDIO_SIGNAL_VOLTAGE_180      0x01
1489 #define GB_SDIO_SIGNAL_VOLTAGE_120      0x02
1490
1491         __u8    drv_type;
1492 #define GB_SDIO_SET_DRIVER_TYPE_B       0x00
1493 #define GB_SDIO_SET_DRIVER_TYPE_A       0x01
1494 #define GB_SDIO_SET_DRIVER_TYPE_C       0x02
1495 #define GB_SDIO_SET_DRIVER_TYPE_D       0x03
1496 } __packed;
1497
1498 /* command request */
1499 struct gb_sdio_command_request {
1500         __u8    cmd;
1501         __u8    cmd_flags;
1502 #define GB_SDIO_RSP_NONE                0x00
1503 #define GB_SDIO_RSP_PRESENT             0x01
1504 #define GB_SDIO_RSP_136                 0x02
1505 #define GB_SDIO_RSP_CRC                 0x04
1506 #define GB_SDIO_RSP_BUSY                0x08
1507 #define GB_SDIO_RSP_OPCODE              0x10
1508
1509         __u8    cmd_type;
1510 #define GB_SDIO_CMD_AC          0x00
1511 #define GB_SDIO_CMD_ADTC        0x01
1512 #define GB_SDIO_CMD_BC          0x02
1513 #define GB_SDIO_CMD_BCR         0x03
1514
1515         __le32  cmd_arg;
1516         __le16  data_blocks;
1517         __le16  data_blksz;
1518 } __packed;
1519
1520 struct gb_sdio_command_response {
1521         __le32  resp[4];
1522 } __packed;
1523
1524 /* transfer request */
1525 struct gb_sdio_transfer_request {
1526         __u8    data_flags;
1527 #define GB_SDIO_DATA_WRITE      0x01
1528 #define GB_SDIO_DATA_READ       0x02
1529 #define GB_SDIO_DATA_STREAM     0x04
1530
1531         __le16  data_blocks;
1532         __le16  data_blksz;
1533         __u8    data[];
1534 } __packed;
1535
1536 struct gb_sdio_transfer_response {
1537         __le16  data_blocks;
1538         __le16  data_blksz;
1539         __u8    data[];
1540 } __packed;
1541
1542 /* event request: generated by module and is defined as unidirectional */
1543 struct gb_sdio_event_request {
1544         __u8    event;
1545 #define GB_SDIO_CARD_INSERTED   0x01
1546 #define GB_SDIO_CARD_REMOVED    0x02
1547 #define GB_SDIO_WP              0x04
1548 } __packed;
1549
1550 /* Camera */
1551
1552 /* Greybus Camera request types */
1553 #define GB_CAMERA_TYPE_CAPABILITIES             0x02
1554 #define GB_CAMERA_TYPE_CONFIGURE_STREAMS        0x03
1555 #define GB_CAMERA_TYPE_CAPTURE                  0x04
1556 #define GB_CAMERA_TYPE_FLUSH                    0x05
1557 #define GB_CAMERA_TYPE_METADATA                 0x06
1558
1559 #define GB_CAMERA_MAX_STREAMS                   4
1560 #define GB_CAMERA_MAX_SETTINGS_SIZE             8192
1561
1562 /* Greybus Camera Configure Streams request payload */
1563 struct gb_camera_stream_config_request {
1564         __le16 width;
1565         __le16 height;
1566         __le16 format;
1567         __le16 padding;
1568 } __packed;
1569
1570 struct gb_camera_configure_streams_request {
1571         __u8 num_streams;
1572         __u8 flags;
1573 #define GB_CAMERA_CONFIGURE_STREAMS_TEST_ONLY   0x01
1574         __le16 padding;
1575         struct gb_camera_stream_config_request config[];
1576 } __packed;
1577
1578 /* Greybus Camera Configure Streams response payload */
1579 struct gb_camera_stream_config_response {
1580         __le16 width;
1581         __le16 height;
1582         __le16 format;
1583         __u8 virtual_channel;
1584         __u8 data_type[2];
1585         __le16 max_pkt_size;
1586         __u8 padding;
1587         __le32 max_size;
1588 } __packed;
1589
1590 struct gb_camera_configure_streams_response {
1591         __u8 num_streams;
1592 #define GB_CAMERA_CONFIGURE_STREAMS_ADJUSTED    0x01
1593         __u8 flags;
1594         __u8 padding[2];
1595         __le32 data_rate;
1596         struct gb_camera_stream_config_response config[];
1597 };
1598
1599 /* Greybus Camera Capture request payload - response has no payload */
1600 struct gb_camera_capture_request {
1601         __le32 request_id;
1602         __u8 streams;
1603         __u8 padding;
1604         __le16 num_frames;
1605         __u8 settings[];
1606 } __packed;
1607
1608 /* Greybus Camera Flush response payload - request has no payload */
1609 struct gb_camera_flush_response {
1610         __le32 request_id;
1611 } __packed;
1612
1613 /* Greybus Camera Metadata request payload - operation has no response */
1614 struct gb_camera_metadata_request {
1615         __le32 request_id;
1616         __le16 frame_number;
1617         __u8 stream;
1618         __u8 padding;
1619         __u8 metadata[];
1620 } __packed;
1621
1622 /* Lights */
1623
1624 /* Greybus Lights request types */
1625 #define GB_LIGHTS_TYPE_GET_LIGHTS               0x02
1626 #define GB_LIGHTS_TYPE_GET_LIGHT_CONFIG         0x03
1627 #define GB_LIGHTS_TYPE_GET_CHANNEL_CONFIG       0x04
1628 #define GB_LIGHTS_TYPE_GET_CHANNEL_FLASH_CONFIG 0x05
1629 #define GB_LIGHTS_TYPE_SET_BRIGHTNESS           0x06
1630 #define GB_LIGHTS_TYPE_SET_BLINK                0x07
1631 #define GB_LIGHTS_TYPE_SET_COLOR                0x08
1632 #define GB_LIGHTS_TYPE_SET_FADE                 0x09
1633 #define GB_LIGHTS_TYPE_EVENT                    0x0A
1634 #define GB_LIGHTS_TYPE_SET_FLASH_INTENSITY      0x0B
1635 #define GB_LIGHTS_TYPE_SET_FLASH_STROBE         0x0C
1636 #define GB_LIGHTS_TYPE_SET_FLASH_TIMEOUT        0x0D
1637 #define GB_LIGHTS_TYPE_GET_FLASH_FAULT          0x0E
1638
1639 /* Greybus Light modes */
1640
1641 /*
1642  * if you add any specific mode below, update also the
1643  * GB_CHANNEL_MODE_DEFINED_RANGE value accordingly
1644  */
1645 #define GB_CHANNEL_MODE_NONE            0x00000000
1646 #define GB_CHANNEL_MODE_BATTERY         0x00000001
1647 #define GB_CHANNEL_MODE_POWER           0x00000002
1648 #define GB_CHANNEL_MODE_WIRELESS        0x00000004
1649 #define GB_CHANNEL_MODE_BLUETOOTH       0x00000008
1650 #define GB_CHANNEL_MODE_KEYBOARD        0x00000010
1651 #define GB_CHANNEL_MODE_BUTTONS         0x00000020
1652 #define GB_CHANNEL_MODE_NOTIFICATION    0x00000040
1653 #define GB_CHANNEL_MODE_ATTENTION       0x00000080
1654 #define GB_CHANNEL_MODE_FLASH           0x00000100
1655 #define GB_CHANNEL_MODE_TORCH           0x00000200
1656 #define GB_CHANNEL_MODE_INDICATOR       0x00000400
1657
1658 /* Lights Mode valid bit values */
1659 #define GB_CHANNEL_MODE_DEFINED_RANGE   0x000004FF
1660 #define GB_CHANNEL_MODE_VENDOR_RANGE    0x00F00000
1661
1662 /* Greybus Light Channels Flags */
1663 #define GB_LIGHT_CHANNEL_MULTICOLOR     0x00000001
1664 #define GB_LIGHT_CHANNEL_FADER          0x00000002
1665 #define GB_LIGHT_CHANNEL_BLINK          0x00000004
1666
1667 /* get count of lights in module */
1668 struct gb_lights_get_lights_response {
1669         __u8    lights_count;
1670 } __packed;
1671
1672 /* light config request payload */
1673 struct gb_lights_get_light_config_request {
1674         __u8    id;
1675 } __packed;
1676
1677 /* light config response payload */
1678 struct gb_lights_get_light_config_response {
1679         __u8    channel_count;
1680         __u8    name[32];
1681 } __packed;
1682
1683 /* channel config request payload */
1684 struct gb_lights_get_channel_config_request {
1685         __u8    light_id;
1686         __u8    channel_id;
1687 } __packed;
1688
1689 /* channel flash config request payload */
1690 struct gb_lights_get_channel_flash_config_request {
1691         __u8    light_id;
1692         __u8    channel_id;
1693 } __packed;
1694
1695 /* channel config response payload */
1696 struct gb_lights_get_channel_config_response {
1697         __u8    max_brightness;
1698         __le32  flags;
1699         __le32  color;
1700         __u8    color_name[32];
1701         __le32  mode;
1702         __u8    mode_name[32];
1703 } __packed;
1704
1705 /* channel flash config response payload */
1706 struct gb_lights_get_channel_flash_config_response {
1707         __le32  intensity_min_uA;
1708         __le32  intensity_max_uA;
1709         __le32  intensity_step_uA;
1710         __le32  timeout_min_us;
1711         __le32  timeout_max_us;
1712         __le32  timeout_step_us;
1713 } __packed;
1714
1715 /* blink request payload: response have no payload */
1716 struct gb_lights_blink_request {
1717         __u8    light_id;
1718         __u8    channel_id;
1719         __le16  time_on_ms;
1720         __le16  time_off_ms;
1721 } __packed;
1722
1723 /* set brightness request payload: response have no payload */
1724 struct gb_lights_set_brightness_request {
1725         __u8    light_id;
1726         __u8    channel_id;
1727         __u8    brightness;
1728 } __packed;
1729
1730 /* set color request payload: response have no payload */
1731 struct gb_lights_set_color_request {
1732         __u8    light_id;
1733         __u8    channel_id;
1734         __le32  color;
1735 } __packed;
1736
1737 /* set fade request payload: response have no payload */
1738 struct gb_lights_set_fade_request {
1739         __u8    light_id;
1740         __u8    channel_id;
1741         __u8    fade_in;
1742         __u8    fade_out;
1743 } __packed;
1744
1745 /* event request: generated by module */
1746 struct gb_lights_event_request {
1747         __u8    light_id;
1748         __u8    event;
1749 #define GB_LIGHTS_LIGHT_CONFIG          0x01
1750 } __packed;
1751
1752 /* set flash intensity request payload: response have no payload */
1753 struct gb_lights_set_flash_intensity_request {
1754         __u8    light_id;
1755         __u8    channel_id;
1756         __le32  intensity_uA;
1757 } __packed;
1758
1759 /* set flash strobe state request payload: response have no payload */
1760 struct gb_lights_set_flash_strobe_request {
1761         __u8    light_id;
1762         __u8    channel_id;
1763         __u8    state;
1764 } __packed;
1765
1766 /* set flash timeout request payload: response have no payload */
1767 struct gb_lights_set_flash_timeout_request {
1768         __u8    light_id;
1769         __u8    channel_id;
1770         __le32  timeout_us;
1771 } __packed;
1772
1773 /* get flash fault request payload */
1774 struct gb_lights_get_flash_fault_request {
1775         __u8    light_id;
1776         __u8    channel_id;
1777 } __packed;
1778
1779 /* get flash fault response payload */
1780 struct gb_lights_get_flash_fault_response {
1781         __le32  fault;
1782 #define GB_LIGHTS_FLASH_FAULT_OVER_VOLTAGE              0x00000000
1783 #define GB_LIGHTS_FLASH_FAULT_TIMEOUT                   0x00000001
1784 #define GB_LIGHTS_FLASH_FAULT_OVER_TEMPERATURE          0x00000002
1785 #define GB_LIGHTS_FLASH_FAULT_SHORT_CIRCUIT             0x00000004
1786 #define GB_LIGHTS_FLASH_FAULT_OVER_CURRENT              0x00000008
1787 #define GB_LIGHTS_FLASH_FAULT_INDICATOR                 0x00000010
1788 #define GB_LIGHTS_FLASH_FAULT_UNDER_VOLTAGE             0x00000020
1789 #define GB_LIGHTS_FLASH_FAULT_INPUT_VOLTAGE             0x00000040
1790 #define GB_LIGHTS_FLASH_FAULT_LED_OVER_TEMPERATURE      0x00000080
1791 } __packed;
1792
1793 /* Audio */
1794
1795 #define GB_AUDIO_TYPE_GET_TOPOLOGY_SIZE         0x02
1796 #define GB_AUDIO_TYPE_GET_TOPOLOGY              0x03
1797 #define GB_AUDIO_TYPE_GET_CONTROL               0x04
1798 #define GB_AUDIO_TYPE_SET_CONTROL               0x05
1799 #define GB_AUDIO_TYPE_ENABLE_WIDGET             0x06
1800 #define GB_AUDIO_TYPE_DISABLE_WIDGET            0x07
1801 #define GB_AUDIO_TYPE_GET_PCM                   0x08
1802 #define GB_AUDIO_TYPE_SET_PCM                   0x09
1803 #define GB_AUDIO_TYPE_SET_TX_DATA_SIZE          0x0a
1804                                                 /* 0x0b unused */
1805 #define GB_AUDIO_TYPE_ACTIVATE_TX               0x0c
1806 #define GB_AUDIO_TYPE_DEACTIVATE_TX             0x0d
1807 #define GB_AUDIO_TYPE_SET_RX_DATA_SIZE          0x0e
1808                                                 /* 0x0f unused */
1809 #define GB_AUDIO_TYPE_ACTIVATE_RX               0x10
1810 #define GB_AUDIO_TYPE_DEACTIVATE_RX             0x11
1811 #define GB_AUDIO_TYPE_JACK_EVENT                0x12
1812 #define GB_AUDIO_TYPE_BUTTON_EVENT              0x13
1813 #define GB_AUDIO_TYPE_STREAMING_EVENT           0x14
1814 #define GB_AUDIO_TYPE_SEND_DATA                 0x15
1815
1816 /* Module must be able to buffer 10ms of audio data, minimum */
1817 #define GB_AUDIO_SAMPLE_BUFFER_MIN_US           10000
1818
1819 #define GB_AUDIO_PCM_NAME_MAX                   32
1820 #define AUDIO_DAI_NAME_MAX                      32
1821 #define AUDIO_CONTROL_NAME_MAX                  32
1822 #define AUDIO_CTL_ELEM_NAME_MAX                 44
1823 #define AUDIO_ENUM_NAME_MAX                     64
1824 #define AUDIO_WIDGET_NAME_MAX                   32
1825
1826 /* See SNDRV_PCM_FMTBIT_* in Linux source */
1827 #define GB_AUDIO_PCM_FMT_S8                     BIT(0)
1828 #define GB_AUDIO_PCM_FMT_U8                     BIT(1)
1829 #define GB_AUDIO_PCM_FMT_S16_LE                 BIT(2)
1830 #define GB_AUDIO_PCM_FMT_S16_BE                 BIT(3)
1831 #define GB_AUDIO_PCM_FMT_U16_LE                 BIT(4)
1832 #define GB_AUDIO_PCM_FMT_U16_BE                 BIT(5)
1833 #define GB_AUDIO_PCM_FMT_S24_LE                 BIT(6)
1834 #define GB_AUDIO_PCM_FMT_S24_BE                 BIT(7)
1835 #define GB_AUDIO_PCM_FMT_U24_LE                 BIT(8)
1836 #define GB_AUDIO_PCM_FMT_U24_BE                 BIT(9)
1837 #define GB_AUDIO_PCM_FMT_S32_LE                 BIT(10)
1838 #define GB_AUDIO_PCM_FMT_S32_BE                 BIT(11)
1839 #define GB_AUDIO_PCM_FMT_U32_LE                 BIT(12)
1840 #define GB_AUDIO_PCM_FMT_U32_BE                 BIT(13)
1841
1842 /* See SNDRV_PCM_RATE_* in Linux source */
1843 #define GB_AUDIO_PCM_RATE_5512                  BIT(0)
1844 #define GB_AUDIO_PCM_RATE_8000                  BIT(1)
1845 #define GB_AUDIO_PCM_RATE_11025                 BIT(2)
1846 #define GB_AUDIO_PCM_RATE_16000                 BIT(3)
1847 #define GB_AUDIO_PCM_RATE_22050                 BIT(4)
1848 #define GB_AUDIO_PCM_RATE_32000                 BIT(5)
1849 #define GB_AUDIO_PCM_RATE_44100                 BIT(6)
1850 #define GB_AUDIO_PCM_RATE_48000                 BIT(7)
1851 #define GB_AUDIO_PCM_RATE_64000                 BIT(8)
1852 #define GB_AUDIO_PCM_RATE_88200                 BIT(9)
1853 #define GB_AUDIO_PCM_RATE_96000                 BIT(10)
1854 #define GB_AUDIO_PCM_RATE_176400                BIT(11)
1855 #define GB_AUDIO_PCM_RATE_192000                BIT(12)
1856
1857 #define GB_AUDIO_STREAM_TYPE_CAPTURE            0x1
1858 #define GB_AUDIO_STREAM_TYPE_PLAYBACK           0x2
1859
1860 #define GB_AUDIO_CTL_ELEM_ACCESS_READ           BIT(0)
1861 #define GB_AUDIO_CTL_ELEM_ACCESS_WRITE          BIT(1)
1862
1863 /* See SNDRV_CTL_ELEM_TYPE_* in Linux source */
1864 #define GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN          0x01
1865 #define GB_AUDIO_CTL_ELEM_TYPE_INTEGER          0x02
1866 #define GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED       0x03
1867 #define GB_AUDIO_CTL_ELEM_TYPE_INTEGER64        0x06
1868
1869 /* See SNDRV_CTL_ELEM_IFACE_* in Linux source */
1870 #define GB_AUDIO_CTL_ELEM_IFACE_CARD            0x00
1871 #define GB_AUDIO_CTL_ELEM_IFACE_HWDEP           0x01
1872 #define GB_AUDIO_CTL_ELEM_IFACE_MIXER           0x02
1873 #define GB_AUDIO_CTL_ELEM_IFACE_PCM             0x03
1874 #define GB_AUDIO_CTL_ELEM_IFACE_RAWMIDI         0x04
1875 #define GB_AUDIO_CTL_ELEM_IFACE_TIMER           0x05
1876 #define GB_AUDIO_CTL_ELEM_IFACE_SEQUENCER       0x06
1877
1878 /* SNDRV_CTL_ELEM_ACCESS_* in Linux source */
1879 #define GB_AUDIO_ACCESS_READ                    BIT(0)
1880 #define GB_AUDIO_ACCESS_WRITE                   BIT(1)
1881 #define GB_AUDIO_ACCESS_VOLATILE                BIT(2)
1882 #define GB_AUDIO_ACCESS_TIMESTAMP               BIT(3)
1883 #define GB_AUDIO_ACCESS_TLV_READ                BIT(4)
1884 #define GB_AUDIO_ACCESS_TLV_WRITE               BIT(5)
1885 #define GB_AUDIO_ACCESS_TLV_COMMAND             BIT(6)
1886 #define GB_AUDIO_ACCESS_INACTIVE                BIT(7)
1887 #define GB_AUDIO_ACCESS_LOCK                    BIT(8)
1888 #define GB_AUDIO_ACCESS_OWNER                   BIT(9)
1889
1890 /* enum snd_soc_dapm_type */
1891 #define GB_AUDIO_WIDGET_TYPE_INPUT              0x0
1892 #define GB_AUDIO_WIDGET_TYPE_OUTPUT             0x1
1893 #define GB_AUDIO_WIDGET_TYPE_MUX                0x2
1894 #define GB_AUDIO_WIDGET_TYPE_VIRT_MUX           0x3
1895 #define GB_AUDIO_WIDGET_TYPE_VALUE_MUX          0x4
1896 #define GB_AUDIO_WIDGET_TYPE_MIXER              0x5
1897 #define GB_AUDIO_WIDGET_TYPE_MIXER_NAMED_CTL    0x6
1898 #define GB_AUDIO_WIDGET_TYPE_PGA                0x7
1899 #define GB_AUDIO_WIDGET_TYPE_OUT_DRV            0x8
1900 #define GB_AUDIO_WIDGET_TYPE_ADC                0x9
1901 #define GB_AUDIO_WIDGET_TYPE_DAC                0xa
1902 #define GB_AUDIO_WIDGET_TYPE_MICBIAS            0xb
1903 #define GB_AUDIO_WIDGET_TYPE_MIC                0xc
1904 #define GB_AUDIO_WIDGET_TYPE_HP                 0xd
1905 #define GB_AUDIO_WIDGET_TYPE_SPK                0xe
1906 #define GB_AUDIO_WIDGET_TYPE_LINE               0xf
1907 #define GB_AUDIO_WIDGET_TYPE_SWITCH             0x10
1908 #define GB_AUDIO_WIDGET_TYPE_VMID               0x11
1909 #define GB_AUDIO_WIDGET_TYPE_PRE                0x12
1910 #define GB_AUDIO_WIDGET_TYPE_POST               0x13
1911 #define GB_AUDIO_WIDGET_TYPE_SUPPLY             0x14
1912 #define GB_AUDIO_WIDGET_TYPE_REGULATOR_SUPPLY   0x15
1913 #define GB_AUDIO_WIDGET_TYPE_CLOCK_SUPPLY       0x16
1914 #define GB_AUDIO_WIDGET_TYPE_AIF_IN             0x17
1915 #define GB_AUDIO_WIDGET_TYPE_AIF_OUT            0x18
1916 #define GB_AUDIO_WIDGET_TYPE_SIGGEN             0x19
1917 #define GB_AUDIO_WIDGET_TYPE_DAI_IN             0x1a
1918 #define GB_AUDIO_WIDGET_TYPE_DAI_OUT            0x1b
1919 #define GB_AUDIO_WIDGET_TYPE_DAI_LINK           0x1c
1920
1921 #define GB_AUDIO_WIDGET_STATE_DISABLED          0x01
1922 #define GB_AUDIO_WIDGET_STATE_ENAABLED          0x02
1923
1924 #define GB_AUDIO_JACK_EVENT_INSERTION           0x1
1925 #define GB_AUDIO_JACK_EVENT_REMOVAL             0x2
1926
1927 #define GB_AUDIO_BUTTON_EVENT_PRESS             0x1
1928 #define GB_AUDIO_BUTTON_EVENT_RELEASE           0x2
1929
1930 #define GB_AUDIO_STREAMING_EVENT_UNSPECIFIED    0x1
1931 #define GB_AUDIO_STREAMING_EVENT_HALT           0x2
1932 #define GB_AUDIO_STREAMING_EVENT_INTERNAL_ERROR 0x3
1933 #define GB_AUDIO_STREAMING_EVENT_PROTOCOL_ERROR 0x4
1934 #define GB_AUDIO_STREAMING_EVENT_FAILURE        0x5
1935 #define GB_AUDIO_STREAMING_EVENT_UNDERRUN       0x6
1936 #define GB_AUDIO_STREAMING_EVENT_OVERRUN        0x7
1937 #define GB_AUDIO_STREAMING_EVENT_CLOCKING       0x8
1938 #define GB_AUDIO_STREAMING_EVENT_DATA_LEN       0x9
1939
1940 #define GB_AUDIO_INVALID_INDEX                  0xff
1941
1942 /* enum snd_jack_types */
1943 #define GB_AUDIO_JACK_HEADPHONE                 0x0000001
1944 #define GB_AUDIO_JACK_MICROPHONE                0x0000002
1945 #define GB_AUDIO_JACK_HEADSET                   (GB_AUDIO_JACK_HEADPHONE | \
1946                                                  GB_AUDIO_JACK_MICROPHONE)
1947 #define GB_AUDIO_JACK_LINEOUT                   0x0000004
1948 #define GB_AUDIO_JACK_MECHANICAL                0x0000008
1949 #define GB_AUDIO_JACK_VIDEOOUT                  0x0000010
1950 #define GB_AUDIO_JACK_AVOUT                     (GB_AUDIO_JACK_LINEOUT | \
1951                                                  GB_AUDIO_JACK_VIDEOOUT)
1952 #define GB_AUDIO_JACK_LINEIN                    0x0000020
1953 #define GB_AUDIO_JACK_OC_HPHL                   0x0000040
1954 #define GB_AUDIO_JACK_OC_HPHR                   0x0000080
1955 #define GB_AUDIO_JACK_MICROPHONE2               0x0000200
1956 #define GB_AUDIO_JACK_ANC_HEADPHONE             (GB_AUDIO_JACK_HEADPHONE | \
1957                                                  GB_AUDIO_JACK_MICROPHONE | \
1958                                                  GB_AUDIO_JACK_MICROPHONE2)
1959 /* Kept separate from switches to facilitate implementation */
1960 #define GB_AUDIO_JACK_BTN_0                     0x4000000
1961 #define GB_AUDIO_JACK_BTN_1                     0x2000000
1962 #define GB_AUDIO_JACK_BTN_2                     0x1000000
1963 #define GB_AUDIO_JACK_BTN_3                     0x0800000
1964
1965 struct gb_audio_pcm {
1966         __u8    stream_name[GB_AUDIO_PCM_NAME_MAX];
1967         __le32  formats;        /* GB_AUDIO_PCM_FMT_* */
1968         __le32  rates;          /* GB_AUDIO_PCM_RATE_* */
1969         __u8    chan_min;
1970         __u8    chan_max;
1971         __u8    sig_bits;       /* number of bits of content */
1972 } __packed;
1973
1974 struct gb_audio_dai {
1975         __u8                    name[AUDIO_DAI_NAME_MAX];
1976         __le16                  data_cport;
1977         struct gb_audio_pcm     capture;
1978         struct gb_audio_pcm     playback;
1979 } __packed;
1980
1981 struct gb_audio_integer {
1982         __le32  min;
1983         __le32  max;
1984         __le32  step;
1985 } __packed;
1986
1987 struct gb_audio_integer64 {
1988         __le64  min;
1989         __le64  max;
1990         __le64  step;
1991 } __packed;
1992
1993 struct gb_audio_enumerated {
1994         __le32  items;
1995         __le16  names_length;
1996         __u8    names[];
1997 } __packed;
1998
1999 struct gb_audio_ctl_elem_info { /* See snd_ctl_elem_info in Linux source */
2000         __u8            type;           /* GB_AUDIO_CTL_ELEM_TYPE_* */
2001         __le16          dimen[4];
2002         union {
2003                 struct gb_audio_integer         integer;
2004                 struct gb_audio_integer64       integer64;
2005                 struct gb_audio_enumerated      enumerated;
2006         } value;
2007 } __packed;
2008
2009 struct gb_audio_ctl_elem_value { /* See snd_ctl_elem_value in Linux source */
2010         __le64                          timestamp; /* XXX needed? */
2011         union {
2012                 __le32  integer_value[2];       /* consider CTL_DOUBLE_xxx */
2013                 __le64  integer64_value[2];
2014                 __le32  enumerated_item[2];
2015         } value;
2016 } __packed;
2017
2018 struct gb_audio_control {
2019         __u8    name[AUDIO_CONTROL_NAME_MAX];
2020         __u8    id;             /* 0-63 */
2021         __u8    iface;          /* GB_AUDIO_IFACE_* */
2022         __le16  data_cport;
2023         __le32  access;         /* GB_AUDIO_ACCESS_* */
2024         __u8    count;          /* count of same elements */
2025         __u8    count_values;   /* count of values, max=2 for CTL_DOUBLE_xxx */
2026         struct gb_audio_ctl_elem_info   info;
2027 } __packed;
2028
2029 struct gb_audio_widget {
2030         __u8    name[AUDIO_WIDGET_NAME_MAX];
2031         __u8    sname[AUDIO_WIDGET_NAME_MAX];
2032         __u8    id;
2033         __u8    type;           /* GB_AUDIO_WIDGET_TYPE_* */
2034         __u8    state;          /* GB_AUDIO_WIDGET_STATE_* */
2035         __u8    ncontrols;
2036         struct gb_audio_control ctl[];  /* 'ncontrols' entries */
2037 } __packed;
2038
2039 struct gb_audio_route {
2040         __u8    source_id;      /* widget id */
2041         __u8    destination_id; /* widget id */
2042         __u8    control_id;     /* 0-63 */
2043         __u8    index;          /* Selection within the control */
2044 } __packed;
2045
2046 struct gb_audio_topology {
2047         __u8    num_dais;
2048         __u8    num_controls;
2049         __u8    num_widgets;
2050         __u8    num_routes;
2051         __le32  size_dais;
2052         __le32  size_controls;
2053         __le32  size_widgets;
2054         __le32  size_routes;
2055         __le32  jack_type;
2056         /*
2057          * struct gb_audio_dai          dai[num_dais];
2058          * struct gb_audio_control      controls[num_controls];
2059          * struct gb_audio_widget       widgets[num_widgets];
2060          * struct gb_audio_route        routes[num_routes];
2061          */
2062         __u8    data[];
2063 } __packed;
2064
2065 struct gb_audio_get_topology_size_response {
2066         __le16  size;
2067 } __packed;
2068
2069 struct gb_audio_get_topology_response {
2070         struct gb_audio_topology        topology;
2071 } __packed;
2072
2073 struct gb_audio_get_control_request {
2074         __u8    control_id;
2075         __u8    index;
2076 } __packed;
2077
2078 struct gb_audio_get_control_response {
2079         struct gb_audio_ctl_elem_value  value;
2080 } __packed;
2081
2082 struct gb_audio_set_control_request {
2083         __u8    control_id;
2084         __u8    index;
2085         struct gb_audio_ctl_elem_value  value;
2086 } __packed;
2087
2088 struct gb_audio_enable_widget_request {
2089         __u8    widget_id;
2090 } __packed;
2091
2092 struct gb_audio_disable_widget_request {
2093         __u8    widget_id;
2094 } __packed;
2095
2096 struct gb_audio_get_pcm_request {
2097         __le16  data_cport;
2098 } __packed;
2099
2100 struct gb_audio_get_pcm_response {
2101         __le32  format;
2102         __le32  rate;
2103         __u8    channels;
2104         __u8    sig_bits;
2105 } __packed;
2106
2107 struct gb_audio_set_pcm_request {
2108         __le16  data_cport;
2109         __le32  format;
2110         __le32  rate;
2111         __u8    channels;
2112         __u8    sig_bits;
2113 } __packed;
2114
2115 struct gb_audio_set_tx_data_size_request {
2116         __le16  data_cport;
2117         __le16  size;
2118 } __packed;
2119
2120 struct gb_audio_activate_tx_request {
2121         __le16  data_cport;
2122 } __packed;
2123
2124 struct gb_audio_deactivate_tx_request {
2125         __le16  data_cport;
2126 } __packed;
2127
2128 struct gb_audio_set_rx_data_size_request {
2129         __le16  data_cport;
2130         __le16  size;
2131 } __packed;
2132
2133 struct gb_audio_activate_rx_request {
2134         __le16  data_cport;
2135 } __packed;
2136
2137 struct gb_audio_deactivate_rx_request {
2138         __le16  data_cport;
2139 } __packed;
2140
2141 struct gb_audio_jack_event_request {
2142         __u8    widget_id;
2143         __u8    jack_attribute;
2144         __u8    event;
2145 } __packed;
2146
2147 struct gb_audio_button_event_request {
2148         __u8    widget_id;
2149         __u8    button_id;
2150         __u8    event;
2151 } __packed;
2152
2153 struct gb_audio_streaming_event_request {
2154         __le16  data_cport;
2155         __u8    event;
2156 } __packed;
2157
2158 struct gb_audio_send_data_request {
2159         __le64  timestamp;
2160         __u8    data[];
2161 } __packed;
2162
2163
2164 /* Log */
2165
2166 /* operations */
2167 #define GB_LOG_TYPE_SEND_LOG    0x02
2168
2169 /* length */
2170 #define GB_LOG_MAX_LEN          1024
2171
2172 struct gb_log_send_log_request {
2173         __le16  len;
2174         __u8    msg[];
2175 } __packed;
2176
2177 #endif /* __GREYBUS_PROTOCOLS_H */
2178