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_DIAGNOSTIC_DEVICE = 0xdc, 68 LIBUSB_CLASS_WIRELESS = 0xe0, 69 LIBUSB_CLASS_APPLICATION = 0xfe, 70 LIBUSB_CLASS_VENDOR_SPEC = 0xff, 71 }; 72 73 enum libusb_descriptor_type { 74 LIBUSB_DT_DEVICE = 0x01, 75 LIBUSB_DT_CONFIG = 0x02, 76 LIBUSB_DT_STRING = 0x03, 77 LIBUSB_DT_INTERFACE = 0x04, 78 LIBUSB_DT_ENDPOINT = 0x05, 79 LIBUSB_DT_HID = 0x21, 80 LIBUSB_DT_REPORT = 0x22, 81 LIBUSB_DT_PHYSICAL = 0x23, 82 LIBUSB_DT_HUB = 0x29, 83 LIBUSB_DT_BOS = 0x0f, 84 LIBUSB_DT_DEVICE_CAPABILITY = 0x10, 85 LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30, 86 }; 87 88 enum libusb_device_capability_type { 89 LIBUSB_WIRELESS_USB_DEVICE_CAPABILITY = 0x1, 90 LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY = 0x2, 91 LIBUSB_SS_USB_DEVICE_CAPABILITY = 0x3, 92 LIBUSB_CONTAINER_ID_DEVICE_CAPABILITY = 0x4, 93 }; 94 95 #define LIBUSB_DT_DEVICE_SIZE 18 96 #define LIBUSB_DT_CONFIG_SIZE 9 97 #define LIBUSB_DT_INTERFACE_SIZE 9 98 #define LIBUSB_DT_ENDPOINT_SIZE 7 99 #define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9 100 #define LIBUSB_DT_HUB_NONVAR_SIZE 7 101 #define LIBUSB_DT_SS_ENDPOINT_COMPANION_SIZE 6 102 #define LIBUSB_DT_BOS_SIZE 5 103 #define LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY_SIZE 7 104 #define LIBUSB_SS_USB_DEVICE_CAPABILITY_SIZE 10 105 106 #define LIBUSB_BT_USB_2_0_EXTENSION_SIZE 7 107 #define LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE 10 108 #define LIBUSB_BT_CONTAINER_ID_SIZE 20 109 110 #define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f 111 #define LIBUSB_ENDPOINT_DIR_MASK 0x80 112 113 enum libusb_endpoint_direction { 114 LIBUSB_ENDPOINT_IN = 0x80, 115 LIBUSB_ENDPOINT_OUT = 0x00, 116 }; 117 118 #define LIBUSB_TRANSFER_TYPE_MASK 0x03 119 120 enum libusb_transfer_type { 121 LIBUSB_TRANSFER_TYPE_CONTROL = 0, 122 LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1, 123 LIBUSB_TRANSFER_TYPE_BULK = 2, 124 LIBUSB_TRANSFER_TYPE_INTERRUPT = 3, 125 }; 126 127 enum libusb_standard_request { 128 LIBUSB_REQUEST_GET_STATUS = 0x00, 129 LIBUSB_REQUEST_CLEAR_FEATURE = 0x01, 130 LIBUSB_REQUEST_SET_FEATURE = 0x03, 131 LIBUSB_REQUEST_SET_ADDRESS = 0x05, 132 LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06, 133 LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07, 134 LIBUSB_REQUEST_GET_CONFIGURATION = 0x08, 135 LIBUSB_REQUEST_SET_CONFIGURATION = 0x09, 136 LIBUSB_REQUEST_GET_INTERFACE = 0x0A, 137 LIBUSB_REQUEST_SET_INTERFACE = 0x0B, 138 LIBUSB_REQUEST_SYNCH_FRAME = 0x0C, 139 LIBUSB_REQUEST_SET_SEL = 0x30, 140 LIBUSB_REQUEST_SET_ISOCH_DELAY = 0x31, 141 }; 142 143 enum libusb_request_type { 144 LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5), 145 LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5), 146 LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5), 147 LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5), 148 }; 149 150 enum libusb_request_recipient { 151 LIBUSB_RECIPIENT_DEVICE = 0x00, 152 LIBUSB_RECIPIENT_INTERFACE = 0x01, 153 LIBUSB_RECIPIENT_ENDPOINT = 0x02, 154 LIBUSB_RECIPIENT_OTHER = 0x03, 155 }; 156 157 #define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C 158 159 enum libusb_iso_sync_type { 160 LIBUSB_ISO_SYNC_TYPE_NONE = 0, 161 LIBUSB_ISO_SYNC_TYPE_ASYNC = 1, 162 LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2, 163 LIBUSB_ISO_SYNC_TYPE_SYNC = 3, 164 }; 165 166 #define LIBUSB_ISO_USAGE_TYPE_MASK 0x30 167 168 enum libusb_iso_usage_type { 169 LIBUSB_ISO_USAGE_TYPE_DATA = 0, 170 LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1, 171 LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2, 172 }; 173 174 enum libusb_bos_type { 175 LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY = 1, 176 LIBUSB_BT_USB_2_0_EXTENSION = 2, 177 LIBUSB_BT_SS_USB_DEVICE_CAPABILITY = 3, 178 LIBUSB_BT_CONTAINER_ID = 4, 179 }; 180 181 enum libusb_capability { 182 /* libusb supports libusb_has_capability(). */ 183 LIBUSB_CAP_HAS_CAPABILITY = 0, 184 /* Hotplug support is available. */ 185 LIBUSB_CAP_HAS_HOTPLUG, 186 /* Can access HID devices without requiring user intervention. */ 187 LIBUSB_CAP_HAS_HID_ACCESS, 188 189 /* 190 * Supports detaching of the default USB driver with 191 * libusb_detach_kernel_driver(). 192 */ 193 LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER, 194 }; 195 196 enum libusb_error { 197 LIBUSB_SUCCESS = 0, 198 LIBUSB_ERROR_IO = -1, 199 LIBUSB_ERROR_INVALID_PARAM = -2, 200 LIBUSB_ERROR_ACCESS = -3, 201 LIBUSB_ERROR_NO_DEVICE = -4, 202 LIBUSB_ERROR_NOT_FOUND = -5, 203 LIBUSB_ERROR_BUSY = -6, 204 LIBUSB_ERROR_TIMEOUT = -7, 205 LIBUSB_ERROR_OVERFLOW = -8, 206 LIBUSB_ERROR_PIPE = -9, 207 LIBUSB_ERROR_INTERRUPTED = -10, 208 LIBUSB_ERROR_NO_MEM = -11, 209 LIBUSB_ERROR_NOT_SUPPORTED = -12, 210 LIBUSB_ERROR_OTHER = -99, 211 }; 212 213 #define LIBUSB_ERROR_COUNT 14 214 215 enum libusb_speed { 216 LIBUSB_SPEED_UNKNOWN = 0, 217 LIBUSB_SPEED_LOW = 1, 218 LIBUSB_SPEED_FULL = 2, 219 LIBUSB_SPEED_HIGH = 3, 220 LIBUSB_SPEED_SUPER = 4, 221 LIBUSB_SPEED_SUPER_PLUS = 5, 222 }; 223 224 enum libusb_transfer_status { 225 LIBUSB_TRANSFER_COMPLETED, 226 LIBUSB_TRANSFER_ERROR, 227 LIBUSB_TRANSFER_TIMED_OUT, 228 LIBUSB_TRANSFER_CANCELLED, 229 LIBUSB_TRANSFER_STALL, 230 LIBUSB_TRANSFER_NO_DEVICE, 231 LIBUSB_TRANSFER_OVERFLOW, 232 }; 233 234 enum libusb_transfer_flags { 235 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0, 236 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1, 237 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2, 238 }; 239 240 enum libusb_log_level { 241 LIBUSB_LOG_LEVEL_NONE = 0, 242 LIBUSB_LOG_LEVEL_ERROR, 243 LIBUSB_LOG_LEVEL_WARNING, 244 LIBUSB_LOG_LEVEL_INFO, 245 LIBUSB_LOG_LEVEL_DEBUG 246 }; 247 248 #define LIBUSB_HOTPLUG_MATCH_ANY -1 249 250 typedef enum { 251 LIBUSB_HOTPLUG_NO_FLAGS = 0, 252 LIBUSB_HOTPLUG_ENUMERATE = 1 << 0, 253 } libusb_hotplug_flag; 254 255 typedef enum { 256 LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1, 257 LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 2, 258 } libusb_hotplug_event; 259 260 enum libusb_option { 261 LIBUSB_OPTION_LOG_LEVEL = 0, 262 LIBUSB_OPTION_USE_USBDK = 1, 263 LIBUSB_OPTION_NO_DEVICE_DISCOVERY = 2, 264 LIBUSB_OPTION_WEAK_AUTHORITY = 2, 265 LIBUSB_OPTION_MAX = 3, 266 }; 267 268 /* libusb structures */ 269 270 struct libusb_context; 271 struct libusb_device; 272 struct libusb_transfer; 273 struct libusb_device_handle; 274 struct libusb_hotplug_callback_handle_struct; 275 276 struct libusb_pollfd { 277 int fd; 278 short events; 279 }; 280 281 struct libusb_version { 282 const uint16_t major; 283 const uint16_t minor; 284 const uint16_t micro; 285 const uint16_t nano; 286 const char *rc; 287 const char *describe; 288 }; 289 290 struct libusb_init_option { 291 enum libusb_option option; 292 union { 293 int64_t ival; 294 } value; 295 }; 296 297 typedef struct libusb_context libusb_context; 298 typedef struct libusb_device libusb_device; 299 typedef struct libusb_device_handle libusb_device_handle; 300 typedef struct libusb_pollfd libusb_pollfd; 301 typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data); 302 typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data); 303 typedef struct libusb_hotplug_callback_handle_struct *libusb_hotplug_callback_handle; 304 305 typedef struct libusb_device_descriptor { 306 uint8_t bLength; 307 uint8_t bDescriptorType; 308 uint16_t bcdUSB; 309 uint8_t bDeviceClass; 310 uint8_t bDeviceSubClass; 311 uint8_t bDeviceProtocol; 312 uint8_t bMaxPacketSize0; 313 uint16_t idVendor; 314 uint16_t idProduct; 315 uint16_t bcdDevice; 316 uint8_t iManufacturer; 317 uint8_t iProduct; 318 uint8_t iSerialNumber; 319 uint8_t bNumConfigurations; 320 } libusb_device_descriptor; 321 322 typedef struct libusb_endpoint_descriptor { 323 uint8_t bLength; 324 uint8_t bDescriptorType; 325 uint8_t bEndpointAddress; 326 uint8_t bmAttributes; 327 uint16_t wMaxPacketSize; 328 uint8_t bInterval; 329 uint8_t bRefresh; 330 uint8_t bSynchAddress; 331 uint8_t *extra; 332 int extra_length; 333 } libusb_endpoint_descriptor __aligned(sizeof(void *)); 334 335 typedef struct libusb_ss_endpoint_companion_descriptor { 336 uint8_t bLength; 337 uint8_t bDescriptorType; 338 uint8_t bMaxBurst; 339 uint8_t bmAttributes; 340 uint16_t wBytesPerInterval; 341 } libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *)); 342 343 typedef struct libusb_interface_descriptor { 344 uint8_t bLength; 345 uint8_t bDescriptorType; 346 uint8_t bInterfaceNumber; 347 uint8_t bAlternateSetting; 348 uint8_t bNumEndpoints; 349 uint8_t bInterfaceClass; 350 uint8_t bInterfaceSubClass; 351 uint8_t bInterfaceProtocol; 352 uint8_t iInterface; 353 struct libusb_endpoint_descriptor *endpoint; 354 uint8_t *extra; 355 int extra_length; 356 } libusb_interface_descriptor __aligned(sizeof(void *)); 357 358 typedef struct libusb_interface { 359 struct libusb_interface_descriptor *altsetting; 360 int num_altsetting; 361 } libusb_interface __aligned(sizeof(void *)); 362 363 typedef struct libusb_config_descriptor { 364 uint8_t bLength; 365 uint8_t bDescriptorType; 366 uint16_t wTotalLength; 367 uint8_t bNumInterfaces; 368 uint8_t bConfigurationValue; 369 uint8_t iConfiguration; 370 uint8_t bmAttributes; 371 uint8_t MaxPower; 372 struct libusb_interface *interface; 373 uint8_t *extra; 374 int extra_length; 375 } libusb_config_descriptor __aligned(sizeof(void *)); 376 377 typedef struct libusb_usb_2_0_device_capability_descriptor { 378 uint8_t bLength; 379 uint8_t bDescriptorType; 380 uint8_t bDevCapabilityType; 381 uint32_t bmAttributes; 382 #define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1) 383 } libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *)); 384 385 typedef struct libusb_ss_usb_device_capability_descriptor { 386 uint8_t bLength; 387 uint8_t bDescriptorType; 388 uint8_t bDevCapabilityType; 389 uint8_t bmAttributes; 390 #define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1) 391 uint16_t wSpeedSupported; 392 #define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1) 393 #define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1) 394 #define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2) 395 #define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3) 396 uint8_t bFunctionalitySupport; 397 uint8_t bU1DevExitLat; 398 uint16_t wU2DevExitLat; 399 } libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *)); 400 401 typedef struct libusb_bos_dev_capability_descriptor { 402 uint8_t bLength; 403 uint8_t bDescriptorType; 404 uint8_t bDevCapabilityType; 405 uint8_t dev_capability_data[0]; 406 } libusb_bos_dev_capability_descriptor __aligned(sizeof(void *)); 407 408 typedef struct libusb_bos_descriptor { 409 uint8_t bLength; 410 uint8_t bDescriptorType; 411 uint16_t wTotalLength; 412 #ifndef bNumDeviceCapabilities 413 #define bNumDeviceCapabilities bNumDeviceCaps 414 #endif 415 uint8_t bNumDeviceCaps; 416 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap; 417 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap; 418 struct libusb_bos_dev_capability_descriptor **dev_capability; 419 } libusb_bos_descriptor __aligned(sizeof(void *)); 420 421 typedef struct libusb_usb_2_0_extension_descriptor { 422 uint8_t bLength; 423 uint8_t bDescriptorType; 424 uint8_t bDevCapabilityType; 425 uint32_t bmAttributes; 426 } libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *)); 427 428 typedef struct libusb_container_id_descriptor { 429 uint8_t bLength; 430 uint8_t bDescriptorType; 431 uint8_t bDevCapabilityType; 432 uint8_t bReserved; 433 uint8_t ContainerID[16]; 434 } libusb_container_id_descriptor __aligned(sizeof(void *)); 435 436 typedef struct libusb_control_setup { 437 uint8_t bmRequestType; 438 uint8_t bRequest; 439 uint16_t wValue; 440 uint16_t wIndex; 441 uint16_t wLength; 442 } libusb_control_setup; 443 444 #define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */ 445 446 typedef struct libusb_iso_packet_descriptor { 447 uint32_t length; 448 uint32_t actual_length; 449 enum libusb_transfer_status status; 450 } libusb_iso_packet_descriptor __aligned(sizeof(void *)); 451 452 typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer); 453 454 typedef struct libusb_transfer { 455 libusb_device_handle *dev_handle; 456 uint8_t flags; 457 uint8_t endpoint; 458 uint8_t type; 459 uint32_t timeout; 460 enum libusb_transfer_status status; 461 int length; 462 int actual_length; 463 libusb_transfer_cb_fn callback; 464 void *user_data; 465 uint8_t *buffer; 466 int num_iso_packets; 467 struct libusb_iso_packet_descriptor iso_packet_desc[0]; 468 } libusb_transfer __aligned(sizeof(void *)); 469 470 /* Library initialisation */ 471 472 void libusb_set_debug(libusb_context * ctx, int level); 473 const struct libusb_version *libusb_get_version(void); 474 const char *libusb_strerror(int code); 475 const char *libusb_error_name(int code); 476 int libusb_init(libusb_context ** context); 477 int libusb_init_context(libusb_context **, const struct libusb_init_option [], int num_options); 478 void libusb_exit(struct libusb_context *ctx); 479 int libusb_has_capability(uint32_t capability); 480 int libusb_setlocale(const char *locale); 481 482 /* Device handling and enumeration */ 483 484 ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list); 485 void libusb_free_device_list(libusb_device ** list, int unref_devices); 486 uint8_t libusb_get_bus_number(libusb_device * dev); 487 uint8_t libusb_get_port_number(libusb_device * dev); 488 int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize); 489 int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize); 490 uint8_t libusb_get_device_address(libusb_device * dev); 491 enum libusb_speed libusb_get_device_speed(libusb_device * dev); 492 int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint); 493 int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint); 494 int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint); 495 libusb_device *libusb_ref_device(libusb_device * dev); 496 void libusb_unref_device(libusb_device * dev); 497 int libusb_open(libusb_device * dev, libusb_device_handle ** devh); 498 libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id); 499 void libusb_close(libusb_device_handle * devh); 500 libusb_device *libusb_get_device(libusb_device_handle * devh); 501 libusb_device *libusb_get_parent(libusb_device * dev); 502 int libusb_get_configuration(libusb_device_handle * devh, int *config); 503 int libusb_set_configuration(libusb_device_handle * devh, int configuration); 504 int libusb_claim_interface(libusb_device_handle * devh, int interface_number); 505 int libusb_release_interface(libusb_device_handle * devh, int interface_number); 506 int libusb_reset_device(libusb_device_handle * devh); 507 int libusb_check_connected(libusb_device_handle * devh); 508 int libusb_kernel_driver_active(libusb_device_handle * devh, int interface); 509 int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen); 510 int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen); 511 int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface); 512 int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface); 513 int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface); 514 int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable); 515 int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting); 516 517 /* USB Descriptors */ 518 519 int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc); 520 int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config); 521 int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config); 522 int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); 523 void libusb_free_config_descriptor(struct libusb_config_descriptor *config); 524 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); 525 void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 526 int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length); 527 int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length); 528 int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length); 529 int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 530 void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 531 int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos); 532 void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos); 533 int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos); 534 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); 535 void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension); 536 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); 537 void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability); 538 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); 539 void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id); 540 541 /* Asynchronous device I/O */ 542 543 struct libusb_transfer *libusb_alloc_transfer(int iso_packets); 544 void libusb_free_transfer(struct libusb_transfer *transfer); 545 int libusb_submit_transfer(struct libusb_transfer *transfer); 546 int libusb_cancel_transfer(struct libusb_transfer *transfer); 547 uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index); 548 uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index); 549 void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length); 550 uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer); 551 struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer); 552 void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength); 553 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); 554 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); 555 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); 556 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); 557 558 /* Polling and timing */ 559 560 int libusb_try_lock_events(libusb_context * ctx); 561 void libusb_lock_events(libusb_context * ctx); 562 void libusb_unlock_events(libusb_context * ctx); 563 int libusb_event_handling_ok(libusb_context * ctx); 564 int libusb_event_handler_active(libusb_context * ctx); 565 void libusb_interrupt_event_handler(libusb_context *ctx); 566 void libusb_lock_event_waiters(libusb_context * ctx); 567 void libusb_unlock_event_waiters(libusb_context * ctx); 568 int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv); 569 int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed); 570 int libusb_handle_events_completed(libusb_context * ctx, int *completed); 571 int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv); 572 int libusb_handle_events(libusb_context * ctx); 573 int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv); 574 int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv); 575 void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); 576 const struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx); 577 578 /* Synchronous device I/O */ 579 580 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); 581 int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 582 int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 583 584 /* Byte-order */ 585 586 uint16_t libusb_cpu_to_le16(uint16_t x); 587 uint16_t libusb_le16_to_cpu(uint16_t x); 588 589 /* Hotplug support */ 590 591 typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx, 592 libusb_device *device, libusb_hotplug_event event, void *user_data); 593 594 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); 595 void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle handle); 596 597 /* Streams support */ 598 599 int libusb_alloc_streams(libusb_device_handle *dev, uint32_t num_streams, unsigned char *endpoints, int num_endpoints); 600 int libusb_free_streams(libusb_device_handle *dev, unsigned char *endpoints, int num_endpoints); 601 void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id); 602 uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer); 603 604 #if 0 605 { /* indent fix */ 606 #endif 607 #ifdef __cplusplus 608 } 609 610 #endif 611 612 #endif /* __LIBUSB_H__ */ 613