1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009 Sylvestre Gallon. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #ifndef __LIBUSB_H__ 29 #define __LIBUSB_H__ 30 31 #ifndef LIBUSB_GLOBAL_INCLUDE_FILE 32 #include <stdint.h> 33 #include <sys/time.h> 34 #include <sys/types.h> 35 #endif 36 37 #define LIBUSB_API_VERSION 0x01000102 38 39 #define LIBUSB_CALL 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 #if 0 45 } /* indent fix */ 46 47 #endif 48 49 /* libusb enums */ 50 51 enum libusb_class_code { 52 LIBUSB_CLASS_PER_INTERFACE = 0, 53 LIBUSB_CLASS_AUDIO = 1, 54 LIBUSB_CLASS_COMM = 2, 55 LIBUSB_CLASS_HID = 3, 56 LIBUSB_CLASS_PHYSICAL = 5, 57 LIBUSB_CLASS_PTP = 6, 58 LIBUSB_CLASS_IMAGE = 6, 59 LIBUSB_CLASS_PRINTER = 7, 60 LIBUSB_CLASS_MASS_STORAGE = 8, 61 LIBUSB_CLASS_HUB = 9, 62 LIBUSB_CLASS_DATA = 10, 63 LIBUSB_CLASS_SMART_CARD = 11, 64 LIBUSB_CLASS_CONTENT_SECURITY = 13, 65 LIBUSB_CLASS_VIDEO = 14, 66 LIBUSB_CLASS_PERSONAL_HEALTHCARE = 15, 67 LIBUSB_CLASS_AUDIO_VIDEO = 16, 68 LIBUSB_CLASS_BILLBOARD = 17, 69 LIBUSB_CLASS_TYPE_C_BRIDGE = 18, 70 LIBUSB_CLASS_BULK_DISPLAY_PROTOCOL = 19, 71 LIBUSB_CLASS_MCTP = 20, 72 LIBUSB_CLASS_DIAGNOSTIC_DEVICE = 0xdc, 73 LIBUSB_CLASS_WIRELESS = 0xe0, 74 LIBUSB_CLASS_MISCELLANEOUS = 0xef, 75 LIBUSB_CLASS_APPLICATION = 0xfe, 76 LIBUSB_CLASS_VENDOR_SPEC = 0xff, 77 }; 78 79 enum libusb_descriptor_type { 80 LIBUSB_DT_DEVICE = 0x01, 81 LIBUSB_DT_CONFIG = 0x02, 82 LIBUSB_DT_STRING = 0x03, 83 LIBUSB_DT_INTERFACE = 0x04, 84 LIBUSB_DT_ENDPOINT = 0x05, 85 LIBUSB_DT_INTERFACE_ASSOCIATION = 0x0b, 86 LIBUSB_DT_HID = 0x21, 87 LIBUSB_DT_REPORT = 0x22, 88 LIBUSB_DT_PHYSICAL = 0x23, 89 LIBUSB_DT_HUB = 0x29, 90 LIBUSB_DT_BOS = 0x0f, 91 LIBUSB_DT_DEVICE_CAPABILITY = 0x10, 92 LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30, 93 }; 94 95 enum libusb_device_capability_type { 96 LIBUSB_WIRELESS_USB_DEVICE_CAPABILITY = 0x1, 97 LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY = 0x2, 98 LIBUSB_SS_USB_DEVICE_CAPABILITY = 0x3, 99 LIBUSB_CONTAINER_ID_DEVICE_CAPABILITY = 0x4, 100 }; 101 102 #define LIBUSB_DT_DEVICE_SIZE 18 103 #define LIBUSB_DT_CONFIG_SIZE 9 104 #define LIBUSB_DT_INTERFACE_SIZE 9 105 #define LIBUSB_DT_ENDPOINT_SIZE 7 106 #define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9 107 #define LIBUSB_DT_HUB_NONVAR_SIZE 7 108 #define LIBUSB_DT_SS_ENDPOINT_COMPANION_SIZE 6 109 #define LIBUSB_DT_BOS_SIZE 5 110 #define LIBUSB_DT_INTERFACE_ASSOCIATION_SIZE 8 111 #define LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY_SIZE 7 112 #define LIBUSB_SS_USB_DEVICE_CAPABILITY_SIZE 10 113 114 #define LIBUSB_BT_USB_2_0_EXTENSION_SIZE 7 115 #define LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE 10 116 #define LIBUSB_BT_CONTAINER_ID_SIZE 20 117 #define LIBUSB_BT_PLATFORM_DESCRIPTOR_MIN_SIZE 20 118 119 #define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f 120 #define LIBUSB_ENDPOINT_DIR_MASK 0x80 121 122 enum libusb_endpoint_direction { 123 LIBUSB_ENDPOINT_IN = 0x80, 124 LIBUSB_ENDPOINT_OUT = 0x00, 125 }; 126 127 #define LIBUSB_TRANSFER_TYPE_MASK 0x03 128 129 enum libusb_endpoint_transfer_type { 130 LIBUSB_ENDPOINT_TRANSFER_TYPE_CONTROL = 0, 131 LIBUSB_ENDPOINT_TRANSFER_TYPE_ISOCHRONOUS = 1, 132 LIBUSB_ENDPOINT_TRANSFER_TYPE_BULK = 2, 133 LIBUSB_ENDPOINT_TRANSFER_TYPE_INTERRUPT = 3, 134 }; 135 136 enum libusb_transfer_type { 137 LIBUSB_TRANSFER_TYPE_CONTROL = 0, 138 LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1, 139 LIBUSB_TRANSFER_TYPE_BULK = 2, 140 LIBUSB_TRANSFER_TYPE_INTERRUPT = 3, 141 LIBUSB_TRANSFER_TYPE_BULK_STREAM = 4, 142 }; 143 144 enum libusb_standard_request { 145 LIBUSB_REQUEST_GET_STATUS = 0x00, 146 LIBUSB_REQUEST_CLEAR_FEATURE = 0x01, 147 LIBUSB_REQUEST_SET_FEATURE = 0x03, 148 LIBUSB_REQUEST_SET_ADDRESS = 0x05, 149 LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06, 150 LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07, 151 LIBUSB_REQUEST_GET_CONFIGURATION = 0x08, 152 LIBUSB_REQUEST_SET_CONFIGURATION = 0x09, 153 LIBUSB_REQUEST_GET_INTERFACE = 0x0A, 154 LIBUSB_REQUEST_SET_INTERFACE = 0x0B, 155 LIBUSB_REQUEST_SYNCH_FRAME = 0x0C, 156 LIBUSB_REQUEST_SET_SEL = 0x30, 157 LIBUSB_REQUEST_SET_ISOCH_DELAY = 0x31, 158 }; 159 160 enum libusb_request_type { 161 LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5), 162 LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5), 163 LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5), 164 LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5), 165 }; 166 167 enum libusb_request_recipient { 168 LIBUSB_RECIPIENT_DEVICE = 0x00, 169 LIBUSB_RECIPIENT_INTERFACE = 0x01, 170 LIBUSB_RECIPIENT_ENDPOINT = 0x02, 171 LIBUSB_RECIPIENT_OTHER = 0x03, 172 }; 173 174 #define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C 175 176 enum libusb_iso_sync_type { 177 LIBUSB_ISO_SYNC_TYPE_NONE = 0, 178 LIBUSB_ISO_SYNC_TYPE_ASYNC = 1, 179 LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2, 180 LIBUSB_ISO_SYNC_TYPE_SYNC = 3, 181 }; 182 183 #define LIBUSB_ISO_USAGE_TYPE_MASK 0x30 184 185 enum libusb_iso_usage_type { 186 LIBUSB_ISO_USAGE_TYPE_DATA = 0, 187 LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1, 188 LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2, 189 }; 190 191 enum libusb_usb_2_0_extension_attributes { 192 LIBUSB_BM_LPM_SUPPORT = 0x2, 193 }; 194 195 enum libusb_supported_speed { 196 LIBUSB_LOW_SPEED_OPERATION = (1 << 0), 197 LIBUSB_FULL_SPEED_OPERATION = (1 << 1), 198 LIBUSB_HIGH_SPEED_OPERATION = (1 << 2), 199 LIBUSB_SUPER_SPEED_OPERATION = (1 << 3), 200 }; 201 202 enum libusb_bos_type { 203 LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY = 1, 204 LIBUSB_BT_USB_2_0_EXTENSION = 2, 205 LIBUSB_BT_SS_USB_DEVICE_CAPABILITY = 3, 206 LIBUSB_BT_CONTAINER_ID = 4, 207 LIBUSB_BT_PLATFORM_DESCRIPTOR = 5, 208 }; 209 210 enum libusb_capability { 211 /* libusb supports libusb_has_capability(). */ 212 LIBUSB_CAP_HAS_CAPABILITY = 0, 213 /* Hotplug support is available. */ 214 LIBUSB_CAP_HAS_HOTPLUG, 215 /* Can access HID devices without requiring user intervention. */ 216 LIBUSB_CAP_HAS_HID_ACCESS, 217 218 /* 219 * Supports detaching and attaching of the default USB driver with 220 * libusb_detach_kernel_driver() and libusb_attach_kernel_driver(). 221 */ 222 LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER, 223 }; 224 225 enum libusb_error { 226 LIBUSB_SUCCESS = 0, 227 LIBUSB_ERROR_IO = -1, 228 LIBUSB_ERROR_INVALID_PARAM = -2, 229 LIBUSB_ERROR_ACCESS = -3, 230 LIBUSB_ERROR_NO_DEVICE = -4, 231 LIBUSB_ERROR_NOT_FOUND = -5, 232 LIBUSB_ERROR_BUSY = -6, 233 LIBUSB_ERROR_TIMEOUT = -7, 234 LIBUSB_ERROR_OVERFLOW = -8, 235 LIBUSB_ERROR_PIPE = -9, 236 LIBUSB_ERROR_INTERRUPTED = -10, 237 LIBUSB_ERROR_NO_MEM = -11, 238 LIBUSB_ERROR_NOT_SUPPORTED = -12, 239 LIBUSB_ERROR_OTHER = -99, 240 }; 241 242 #define LIBUSB_ERROR_COUNT 14 243 244 enum libusb_speed { 245 LIBUSB_SPEED_UNKNOWN = 0, 246 LIBUSB_SPEED_LOW = 1, 247 LIBUSB_SPEED_FULL = 2, 248 LIBUSB_SPEED_HIGH = 3, 249 LIBUSB_SPEED_SUPER = 4, 250 LIBUSB_SPEED_SUPER_PLUS = 5, 251 }; 252 253 enum libusb_transfer_status { 254 LIBUSB_TRANSFER_COMPLETED, 255 LIBUSB_TRANSFER_ERROR, 256 LIBUSB_TRANSFER_TIMED_OUT, 257 LIBUSB_TRANSFER_CANCELLED, 258 LIBUSB_TRANSFER_STALL, 259 LIBUSB_TRANSFER_NO_DEVICE, 260 LIBUSB_TRANSFER_OVERFLOW, 261 }; 262 263 enum libusb_transfer_flags { 264 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0, 265 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1, 266 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2, 267 LIBUSB_TRANSFER_ADD_ZERO_PACKET = 1 << 3, 268 }; 269 270 enum libusb_log_level { 271 LIBUSB_LOG_LEVEL_NONE = 0, 272 LIBUSB_LOG_LEVEL_ERROR, 273 LIBUSB_LOG_LEVEL_WARNING, 274 LIBUSB_LOG_LEVEL_INFO, 275 LIBUSB_LOG_LEVEL_DEBUG 276 }; 277 278 #define LIBUSB_HOTPLUG_MATCH_ANY -1 279 280 typedef enum { 281 LIBUSB_HOTPLUG_NO_FLAGS = 0, 282 LIBUSB_HOTPLUG_ENUMERATE = 1 << 0, 283 } libusb_hotplug_flag; 284 285 typedef enum { 286 LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1, 287 LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 2, 288 } libusb_hotplug_event; 289 290 enum libusb_option { 291 LIBUSB_OPTION_LOG_LEVEL = 0, 292 LIBUSB_OPTION_USE_USBDK = 1, 293 LIBUSB_OPTION_NO_DEVICE_DISCOVERY = 2, 294 LIBUSB_OPTION_WEAK_AUTHORITY = 2, 295 LIBUSB_OPTION_LOG_CB = 3, 296 LIBUSB_OPTION_MAX = 4, 297 }; 298 299 enum libusb_log_cb_mode { 300 LIBUSB_LOG_CB_GLOBAL = (1 << 0), 301 LIBUSB_LOG_CB_CONTEXT = (1 << 1), 302 }; 303 304 /* libusb structures */ 305 306 struct libusb_context; 307 struct libusb_device; 308 struct libusb_transfer; 309 struct libusb_device_handle; 310 struct libusb_hotplug_callback_handle_struct; 311 312 struct libusb_pollfd { 313 int fd; 314 short events; 315 }; 316 317 struct libusb_version { 318 const uint16_t major; 319 const uint16_t minor; 320 const uint16_t micro; 321 const uint16_t nano; 322 const char *rc; 323 const char *describe; 324 }; 325 326 struct libusb_init_option { 327 enum libusb_option option; 328 union { 329 int64_t ival; 330 } value; 331 }; 332 333 typedef struct libusb_context libusb_context; 334 typedef void (*libusb_log_cb)(libusb_context *ctx, enum libusb_log_level, 335 const char *str); 336 typedef struct libusb_device libusb_device; 337 typedef struct libusb_device_handle libusb_device_handle; 338 typedef struct libusb_pollfd libusb_pollfd; 339 typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data); 340 typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data); 341 typedef struct libusb_hotplug_callback_handle_struct *libusb_hotplug_callback_handle; 342 343 typedef struct libusb_device_descriptor { 344 uint8_t bLength; 345 uint8_t bDescriptorType; 346 uint16_t bcdUSB; 347 uint8_t bDeviceClass; 348 uint8_t bDeviceSubClass; 349 uint8_t bDeviceProtocol; 350 uint8_t bMaxPacketSize0; 351 uint16_t idVendor; 352 uint16_t idProduct; 353 uint16_t bcdDevice; 354 uint8_t iManufacturer; 355 uint8_t iProduct; 356 uint8_t iSerialNumber; 357 uint8_t bNumConfigurations; 358 } libusb_device_descriptor; 359 360 typedef struct libusb_endpoint_descriptor { 361 uint8_t bLength; 362 uint8_t bDescriptorType; 363 uint8_t bEndpointAddress; 364 uint8_t bmAttributes; 365 uint16_t wMaxPacketSize; 366 uint8_t bInterval; 367 uint8_t bRefresh; 368 uint8_t bSynchAddress; 369 uint8_t *extra; 370 int extra_length; 371 } libusb_endpoint_descriptor __aligned(sizeof(void *)); 372 373 typedef struct libusb_ss_endpoint_companion_descriptor { 374 uint8_t bLength; 375 uint8_t bDescriptorType; 376 uint8_t bMaxBurst; 377 uint8_t bmAttributes; 378 uint16_t wBytesPerInterval; 379 } libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *)); 380 381 typedef struct libusb_interface_association_descriptor { 382 uint8_t bLength; 383 uint8_t bDescriptorType; 384 uint8_t bFirstInterface; 385 uint8_t bInterfaceCount; 386 uint8_t bFunctionClass; 387 uint8_t bFunctionSubClass; 388 uint8_t bFunctionProtocol; 389 uint8_t iFunction; 390 } libusb_interface_association_descriptor __aligned(sizeof(void *)); 391 392 typedef struct libusb_interface_association_descriptor_array { 393 const struct libusb_interface_association_descriptor *iad; 394 int length; 395 } libusb_interface_association_descriptor_array; 396 397 typedef struct libusb_interface_descriptor { 398 uint8_t bLength; 399 uint8_t bDescriptorType; 400 uint8_t bInterfaceNumber; 401 uint8_t bAlternateSetting; 402 uint8_t bNumEndpoints; 403 uint8_t bInterfaceClass; 404 uint8_t bInterfaceSubClass; 405 uint8_t bInterfaceProtocol; 406 uint8_t iInterface; 407 struct libusb_endpoint_descriptor *endpoint; 408 uint8_t *extra; 409 int extra_length; 410 } libusb_interface_descriptor __aligned(sizeof(void *)); 411 412 typedef struct libusb_interface { 413 struct libusb_interface_descriptor *altsetting; 414 int num_altsetting; 415 } libusb_interface __aligned(sizeof(void *)); 416 417 typedef struct libusb_config_descriptor { 418 uint8_t bLength; 419 uint8_t bDescriptorType; 420 uint16_t wTotalLength; 421 uint8_t bNumInterfaces; 422 uint8_t bConfigurationValue; 423 uint8_t iConfiguration; 424 uint8_t bmAttributes; 425 uint8_t MaxPower; 426 struct libusb_interface *interface; 427 uint8_t *extra; 428 int extra_length; 429 } libusb_config_descriptor __aligned(sizeof(void *)); 430 431 typedef struct libusb_usb_2_0_device_capability_descriptor { 432 uint8_t bLength; 433 uint8_t bDescriptorType; 434 uint8_t bDevCapabilityType; 435 uint32_t bmAttributes; 436 #define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1) 437 } libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *)); 438 439 typedef struct libusb_ss_usb_device_capability_descriptor { 440 uint8_t bLength; 441 uint8_t bDescriptorType; 442 uint8_t bDevCapabilityType; 443 uint8_t bmAttributes; 444 #define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1) 445 uint16_t wSpeedSupported; 446 #define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1) 447 #define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1) 448 #define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2) 449 #define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3) 450 uint8_t bFunctionalitySupport; 451 uint8_t bU1DevExitLat; 452 uint16_t wU2DevExitLat; 453 } libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *)); 454 455 typedef struct libusb_bos_dev_capability_descriptor { 456 uint8_t bLength; 457 uint8_t bDescriptorType; 458 uint8_t bDevCapabilityType; 459 uint8_t dev_capability_data[0]; 460 } libusb_bos_dev_capability_descriptor __aligned(sizeof(void *)); 461 462 typedef struct libusb_bos_descriptor { 463 uint8_t bLength; 464 uint8_t bDescriptorType; 465 uint16_t wTotalLength; 466 #ifndef bNumDeviceCapabilities 467 #define bNumDeviceCapabilities bNumDeviceCaps 468 #endif 469 uint8_t bNumDeviceCaps; 470 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap; 471 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap; 472 struct libusb_bos_dev_capability_descriptor **dev_capability; 473 } libusb_bos_descriptor __aligned(sizeof(void *)); 474 475 typedef struct libusb_usb_2_0_extension_descriptor { 476 uint8_t bLength; 477 uint8_t bDescriptorType; 478 uint8_t bDevCapabilityType; 479 uint32_t bmAttributes; 480 } libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *)); 481 482 typedef struct libusb_container_id_descriptor { 483 uint8_t bLength; 484 uint8_t bDescriptorType; 485 uint8_t bDevCapabilityType; 486 uint8_t bReserved; 487 uint8_t ContainerID[16]; 488 } libusb_container_id_descriptor __aligned(sizeof(void *)); 489 490 typedef struct libusb_platform_descriptor { 491 uint8_t bLength; 492 uint8_t bDescriptorType; 493 uint8_t bDevCapabilityType; 494 uint8_t bReserved; 495 uint8_t PlatformCapabilityUUID[16]; 496 uint8_t CapabilityData[]; 497 } libusb_platform_descriptor __aligned(sizeof(void *)); 498 499 typedef struct libusb_control_setup { 500 uint8_t bmRequestType; 501 uint8_t bRequest; 502 uint16_t wValue; 503 uint16_t wIndex; 504 uint16_t wLength; 505 } libusb_control_setup; 506 507 #define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */ 508 509 typedef struct libusb_iso_packet_descriptor { 510 uint32_t length; 511 uint32_t actual_length; 512 enum libusb_transfer_status status; 513 } libusb_iso_packet_descriptor __aligned(sizeof(void *)); 514 515 typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer); 516 517 typedef struct libusb_transfer { 518 libusb_device_handle *dev_handle; 519 uint8_t flags; 520 uint8_t endpoint; 521 uint8_t type; 522 uint32_t timeout; 523 enum libusb_transfer_status status; 524 int length; 525 int actual_length; 526 libusb_transfer_cb_fn callback; 527 void *user_data; 528 uint8_t *buffer; 529 int num_iso_packets; 530 struct libusb_iso_packet_descriptor iso_packet_desc[0]; 531 } libusb_transfer __aligned(sizeof(void *)); 532 533 /* Library initialisation */ 534 535 void libusb_set_debug(libusb_context * ctx, int level); 536 const struct libusb_version *libusb_get_version(void); 537 const char *libusb_strerror(int code); 538 const char *libusb_error_name(int code); 539 int libusb_init(libusb_context ** context); 540 int libusb_init_context(libusb_context **, const struct libusb_init_option [], int num_options); 541 void libusb_exit(struct libusb_context *ctx); 542 int libusb_has_capability(uint32_t capability); 543 int libusb_setlocale(const char *locale); 544 545 /* Device handling and enumeration */ 546 547 ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list); 548 void libusb_free_device_list(libusb_device ** list, int unref_devices); 549 uint8_t libusb_get_bus_number(libusb_device * dev); 550 uint8_t libusb_get_port_number(libusb_device * dev); 551 int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize); 552 int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize); 553 uint8_t libusb_get_device_address(libusb_device * dev); 554 enum libusb_speed libusb_get_device_speed(libusb_device * dev); 555 int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint); 556 int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint); 557 int libusb_get_max_iso_packet_size(libusb_device *dev, uint8_t endpoint); 558 int libusb_get_max_alt_packet_size(libusb_device *dev, int interface_number, 559 int alternate_setting, unsigned char endpoint); 560 libusb_device *libusb_ref_device(libusb_device * dev); 561 void libusb_unref_device(libusb_device * dev); 562 int libusb_wrap_sys_device(libusb_context *ctx, intptr_t sys_dev, libusb_device_handle **dev_handle); 563 int libusb_open(libusb_device * dev, libusb_device_handle ** devh); 564 libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id); 565 void libusb_close(libusb_device_handle * devh); 566 libusb_device *libusb_get_device(libusb_device_handle * devh); 567 libusb_device *libusb_get_parent(libusb_device * dev); 568 int libusb_get_configuration(libusb_device_handle * devh, int *config); 569 int libusb_set_configuration(libusb_device_handle * devh, int configuration); 570 int libusb_claim_interface(libusb_device_handle * devh, int interface_number); 571 int libusb_release_interface(libusb_device_handle * devh, int interface_number); 572 int libusb_reset_device(libusb_device_handle * devh); 573 int libusb_check_connected(libusb_device_handle * devh); 574 int libusb_kernel_driver_active(libusb_device_handle * devh, int interface); 575 int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen); 576 int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen); 577 int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface); 578 int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface); 579 int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface); 580 int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable); 581 int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting); 582 unsigned char *libusb_dev_mem_alloc(libusb_device_handle *devh); 583 int libusb_dev_mem_free(libusb_device_handle *devh, unsigned char *buffer, 584 size_t size); 585 586 /* USB Descriptors */ 587 588 int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc); 589 int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config); 590 int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config); 591 int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); 592 void libusb_free_config_descriptor(struct libusb_config_descriptor *config); 593 int libusb_get_ss_endpoint_companion_descriptor(struct libusb_context *ctx, const struct libusb_endpoint_descriptor *endpoint, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 594 void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 595 int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length); 596 int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length); 597 int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length); 598 int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 599 void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 600 int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos); 601 void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos); 602 int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos); 603 int libusb_get_usb_2_0_extension_descriptor(struct libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_usb_2_0_extension_descriptor **usb_2_0_extension); 604 void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension); 605 int libusb_get_ss_usb_device_capability_descriptor(struct libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_ss_usb_device_capability_descriptor **ss_usb_device_capability); 606 void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability); 607 int libusb_get_container_id_descriptor(struct libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_container_id_descriptor **container_id); 608 void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id); 609 int libusb_get_platform_descriptor(libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_platform_descriptor **platform_descriptor); 610 void libusb_free_platform_descriptor(struct libusb_platform_descriptor *platform_descriptor); 611 int libusb_get_interface_association_descriptors(libusb_device *dev, uint8_t config_index, struct libusb_interface_association_descriptor_array **iad_arr); 612 int libusb_get_active_interface_association_descriptors(libusb_device *dev, struct libusb_interface_association_descriptor_array **iad_arr); 613 void libusb_free_interface_association_descriptors(struct libusb_interface_association_descriptor_array *iad_arr); 614 615 /* Asynchronous device I/O */ 616 617 struct libusb_transfer *libusb_alloc_transfer(int iso_packets); 618 void libusb_free_transfer(struct libusb_transfer *transfer); 619 int libusb_submit_transfer(struct libusb_transfer *transfer); 620 int libusb_cancel_transfer(struct libusb_transfer *transfer); 621 uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index); 622 uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index); 623 void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length); 624 uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer); 625 struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer); 626 void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength); 627 void libusb_fill_control_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t *buf, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout); 628 void libusb_fill_bulk_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t endpoint, uint8_t *buf, int length, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout); 629 void libusb_fill_bulk_stream_transfer(struct libusb_transfer *transfer, libusb_device_handle *dev_handle, unsigned char endpoint, uint32_t stream_id, unsigned char *buffer, int length, libusb_transfer_cb_fn callback, void *user_data, unsigned int timeout); 630 void libusb_fill_interrupt_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t endpoint, uint8_t *buf, int length, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout); 631 void libusb_fill_iso_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t endpoint, uint8_t *buf, int length, int npacket, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout); 632 633 /* Polling and timing */ 634 635 int libusb_try_lock_events(libusb_context * ctx); 636 void libusb_lock_events(libusb_context * ctx); 637 void libusb_unlock_events(libusb_context * ctx); 638 int libusb_event_handling_ok(libusb_context * ctx); 639 int libusb_event_handler_active(libusb_context * ctx); 640 void libusb_interrupt_event_handler(libusb_context *ctx); 641 void libusb_lock_event_waiters(libusb_context * ctx); 642 void libusb_unlock_event_waiters(libusb_context * ctx); 643 int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv); 644 int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed); 645 int libusb_handle_events_completed(libusb_context * ctx, int *completed); 646 int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv); 647 int libusb_handle_events(libusb_context * ctx); 648 int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv); 649 int libusb_pollfds_handle_timeouts(libusb_context *ctx); 650 int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv); 651 void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); 652 const struct libusb_pollfd **libusb_get_pollfds(libusb_context *ctx); 653 void libusb_free_pollfds(const struct libusb_pollfd **pollfds); 654 655 /* Synchronous device I/O */ 656 657 int libusb_control_transfer(libusb_device_handle * devh, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint8_t *data, uint16_t wLength, uint32_t timeout); 658 int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 659 int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 660 661 /* Byte-order */ 662 663 uint16_t libusb_cpu_to_le16(uint16_t x); 664 uint16_t libusb_le16_to_cpu(uint16_t x); 665 666 /* Hotplug support */ 667 668 typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx, 669 libusb_device *device, libusb_hotplug_event event, void *user_data); 670 671 int libusb_hotplug_register_callback(libusb_context *ctx, libusb_hotplug_event events, libusb_hotplug_flag flags, int vendor_id, int product_id, int dev_class, libusb_hotplug_callback_fn cb_fn, void *user_data, libusb_hotplug_callback_handle *handle); 672 void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle handle); 673 void *libusb_hotplug_get_user_data(struct libusb_context *ctx, 674 libusb_hotplug_callback_handle callback_handle); 675 676 /* Streams support */ 677 678 int libusb_alloc_streams(libusb_device_handle *dev, uint32_t num_streams, unsigned char *endpoints, int num_endpoints); 679 int libusb_free_streams(libusb_device_handle *dev, unsigned char *endpoints, int num_endpoints); 680 void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id); 681 uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer); 682 int libusb_set_option(libusb_context *ctx, enum libusb_option option, ...); 683 void libusb_set_log_cb(libusb_context *ctx, libusb_log_cb cb, int mode); 684 685 #if 0 686 { /* indent fix */ 687 #endif 688 #ifdef __cplusplus 689 } 690 691 #endif 692 693 #endif /* __LIBUSB_H__ */ 694