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 42extern "C" { 43#endif 44#if 0 45} /* indent fix */ 46 47#endif 48 49/* libusb enums */ 50 51enum 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 73enum 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 88enum 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 113enum libusb_endpoint_direction { 114 LIBUSB_ENDPOINT_IN = 0x80, 115 LIBUSB_ENDPOINT_OUT = 0x00, 116}; 117 118#define LIBUSB_TRANSFER_TYPE_MASK 0x03 119 120enum 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 127enum 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 143enum 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 150enum 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 159enum 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 168enum 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 174enum 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 181enum 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 196enum 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 213enum libusb_speed { 214 LIBUSB_SPEED_UNKNOWN = 0, 215 LIBUSB_SPEED_LOW = 1, 216 LIBUSB_SPEED_FULL = 2, 217 LIBUSB_SPEED_HIGH = 3, 218 LIBUSB_SPEED_SUPER = 4, 219}; 220 221enum libusb_transfer_status { 222 LIBUSB_TRANSFER_COMPLETED, 223 LIBUSB_TRANSFER_ERROR, 224 LIBUSB_TRANSFER_TIMED_OUT, 225 LIBUSB_TRANSFER_CANCELLED, 226 LIBUSB_TRANSFER_STALL, 227 LIBUSB_TRANSFER_NO_DEVICE, 228 LIBUSB_TRANSFER_OVERFLOW, 229}; 230 231enum libusb_transfer_flags { 232 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0, 233 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1, 234 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2, 235}; 236 237enum libusb_log_level { 238 LIBUSB_LOG_LEVEL_NONE = 0, 239 LIBUSB_LOG_LEVEL_ERROR, 240 LIBUSB_LOG_LEVEL_WARNING, 241 LIBUSB_LOG_LEVEL_INFO, 242 LIBUSB_LOG_LEVEL_DEBUG 243}; 244 245/* XXX */ 246/* libusb_set_debug should take parameters from libusb_log_level 247 * above according to 248 * https://libusb.sourceforge.io/api-1.0/group__libusb__lib.html 249 */ 250enum libusb_debug_level { 251 LIBUSB_DEBUG_NO=0, 252 LIBUSB_DEBUG_FUNCTION=1, 253 LIBUSB_DEBUG_TRANSFER=2, 254}; 255 256#define LIBUSB_HOTPLUG_MATCH_ANY -1 257 258typedef enum { 259 LIBUSB_HOTPLUG_NO_FLAGS = 0, 260 LIBUSB_HOTPLUG_ENUMERATE = 1 << 0, 261} libusb_hotplug_flag; 262 263typedef enum { 264 LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1, 265 LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 2, 266} libusb_hotplug_event; 267 268enum libusb_option { 269 LIBUSB_OPTION_LOG_LEVEL = 0, 270 LIBUSB_OPTION_USE_USBDK = 1, 271 LIBUSB_OPTION_NO_DEVICE_DISCOVERY = 2, 272 LIBUSB_OPTION_WEAK_AUTHORITY = 2, 273 LIBUSB_OPTION_MAX = 3, 274}; 275 276/* libusb structures */ 277 278struct libusb_context; 279struct libusb_device; 280struct libusb_transfer; 281struct libusb_device_handle; 282struct libusb_hotplug_callback_handle_struct; 283 284struct libusb_pollfd { 285 int fd; 286 short events; 287}; 288 289struct libusb_version { 290 const uint16_t major; 291 const uint16_t minor; 292 const uint16_t micro; 293 const uint16_t nano; 294 const char *rc; 295 const char *describe; 296}; 297 298struct libusb_init_option { 299 enum libusb_option option; 300 union { 301 int64_t ival; 302 } value; 303}; 304 305typedef struct libusb_context libusb_context; 306typedef struct libusb_device libusb_device; 307typedef struct libusb_device_handle libusb_device_handle; 308typedef struct libusb_pollfd libusb_pollfd; 309typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data); 310typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data); 311typedef struct libusb_hotplug_callback_handle_struct *libusb_hotplug_callback_handle; 312 313typedef struct libusb_device_descriptor { 314 uint8_t bLength; 315 uint8_t bDescriptorType; 316 uint16_t bcdUSB; 317 uint8_t bDeviceClass; 318 uint8_t bDeviceSubClass; 319 uint8_t bDeviceProtocol; 320 uint8_t bMaxPacketSize0; 321 uint16_t idVendor; 322 uint16_t idProduct; 323 uint16_t bcdDevice; 324 uint8_t iManufacturer; 325 uint8_t iProduct; 326 uint8_t iSerialNumber; 327 uint8_t bNumConfigurations; 328} libusb_device_descriptor; 329 330typedef struct libusb_endpoint_descriptor { 331 uint8_t bLength; 332 uint8_t bDescriptorType; 333 uint8_t bEndpointAddress; 334 uint8_t bmAttributes; 335 uint16_t wMaxPacketSize; 336 uint8_t bInterval; 337 uint8_t bRefresh; 338 uint8_t bSynchAddress; 339 uint8_t *extra; 340 int extra_length; 341} libusb_endpoint_descriptor __aligned(sizeof(void *)); 342 343typedef struct libusb_ss_endpoint_companion_descriptor { 344 uint8_t bLength; 345 uint8_t bDescriptorType; 346 uint8_t bMaxBurst; 347 uint8_t bmAttributes; 348 uint16_t wBytesPerInterval; 349} libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *)); 350 351typedef struct libusb_interface_descriptor { 352 uint8_t bLength; 353 uint8_t bDescriptorType; 354 uint8_t bInterfaceNumber; 355 uint8_t bAlternateSetting; 356 uint8_t bNumEndpoints; 357 uint8_t bInterfaceClass; 358 uint8_t bInterfaceSubClass; 359 uint8_t bInterfaceProtocol; 360 uint8_t iInterface; 361 struct libusb_endpoint_descriptor *endpoint; 362 uint8_t *extra; 363 int extra_length; 364} libusb_interface_descriptor __aligned(sizeof(void *)); 365 366typedef struct libusb_interface { 367 struct libusb_interface_descriptor *altsetting; 368 int num_altsetting; 369} libusb_interface __aligned(sizeof(void *)); 370 371typedef struct libusb_config_descriptor { 372 uint8_t bLength; 373 uint8_t bDescriptorType; 374 uint16_t wTotalLength; 375 uint8_t bNumInterfaces; 376 uint8_t bConfigurationValue; 377 uint8_t iConfiguration; 378 uint8_t bmAttributes; 379 uint8_t MaxPower; 380 struct libusb_interface *interface; 381 uint8_t *extra; 382 int extra_length; 383} libusb_config_descriptor __aligned(sizeof(void *)); 384 385typedef struct libusb_usb_2_0_device_capability_descriptor { 386 uint8_t bLength; 387 uint8_t bDescriptorType; 388 uint8_t bDevCapabilityType; 389 uint32_t bmAttributes; 390#define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1) 391} libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *)); 392 393typedef struct libusb_ss_usb_device_capability_descriptor { 394 uint8_t bLength; 395 uint8_t bDescriptorType; 396 uint8_t bDevCapabilityType; 397 uint8_t bmAttributes; 398#define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1) 399 uint16_t wSpeedSupported; 400#define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1) 401#define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1) 402#define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2) 403#define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3) 404 uint8_t bFunctionalitySupport; 405 uint8_t bU1DevExitLat; 406 uint16_t wU2DevExitLat; 407} libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *)); 408 409typedef struct libusb_bos_dev_capability_descriptor { 410 uint8_t bLength; 411 uint8_t bDescriptorType; 412 uint8_t bDevCapabilityType; 413 uint8_t dev_capability_data[0]; 414} libusb_bos_dev_capability_descriptor __aligned(sizeof(void *)); 415 416typedef struct libusb_bos_descriptor { 417 uint8_t bLength; 418 uint8_t bDescriptorType; 419 uint16_t wTotalLength; 420 uint8_t bNumDeviceCapabilities; 421 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap; 422 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap; 423 struct libusb_bos_dev_capability_descriptor **dev_capability; 424} libusb_bos_descriptor __aligned(sizeof(void *)); 425 426typedef struct libusb_usb_2_0_extension_descriptor { 427 uint8_t bLength; 428 uint8_t bDescriptorType; 429 uint8_t bDevCapabilityType; 430 uint32_t bmAttributes; 431} libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *)); 432 433typedef struct libusb_container_id_descriptor { 434 uint8_t bLength; 435 uint8_t bDescriptorType; 436 uint8_t bDevCapabilityType; 437 uint8_t bReserved; 438 uint8_t ContainerID[16]; 439} libusb_container_id_descriptor __aligned(sizeof(void *)); 440 441typedef struct libusb_control_setup { 442 uint8_t bmRequestType; 443 uint8_t bRequest; 444 uint16_t wValue; 445 uint16_t wIndex; 446 uint16_t wLength; 447} libusb_control_setup; 448 449#define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */ 450 451typedef struct libusb_iso_packet_descriptor { 452 uint32_t length; 453 uint32_t actual_length; 454 enum libusb_transfer_status status; 455} libusb_iso_packet_descriptor __aligned(sizeof(void *)); 456 457typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer); 458 459typedef struct libusb_transfer { 460 libusb_device_handle *dev_handle; 461 uint8_t flags; 462 uint8_t endpoint; 463 uint8_t type; 464 uint32_t timeout; 465 enum libusb_transfer_status status; 466 int length; 467 int actual_length; 468 libusb_transfer_cb_fn callback; 469 void *user_data; 470 uint8_t *buffer; 471 int num_iso_packets; 472 struct libusb_iso_packet_descriptor iso_packet_desc[0]; 473} libusb_transfer __aligned(sizeof(void *)); 474 475/* Library initialisation */ 476 477void libusb_set_debug(libusb_context * ctx, int level); 478const struct libusb_version *libusb_get_version(void); 479const char *libusb_strerror(int code); 480const char *libusb_error_name(int code); 481int libusb_init(libusb_context ** context); 482int libusb_init_context(libusb_context **, const struct libusb_init_option [], int num_options); 483void libusb_exit(struct libusb_context *ctx); 484int libusb_has_capability(uint32_t capability); 485 486/* Device handling and enumeration */ 487 488ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list); 489void libusb_free_device_list(libusb_device ** list, int unref_devices); 490uint8_t libusb_get_bus_number(libusb_device * dev); 491uint8_t libusb_get_port_number(libusb_device * dev); 492int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize); 493int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize); 494uint8_t libusb_get_device_address(libusb_device * dev); 495enum libusb_speed libusb_get_device_speed(libusb_device * dev); 496int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint); 497int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint); 498int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint); 499libusb_device *libusb_ref_device(libusb_device * dev); 500void libusb_unref_device(libusb_device * dev); 501int libusb_open(libusb_device * dev, libusb_device_handle ** devh); 502libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id); 503void libusb_close(libusb_device_handle * devh); 504libusb_device *libusb_get_device(libusb_device_handle * devh); 505int libusb_get_configuration(libusb_device_handle * devh, int *config); 506int libusb_set_configuration(libusb_device_handle * devh, int configuration); 507int libusb_claim_interface(libusb_device_handle * devh, int interface_number); 508int libusb_release_interface(libusb_device_handle * devh, int interface_number); 509int libusb_reset_device(libusb_device_handle * devh); 510int libusb_check_connected(libusb_device_handle * devh); 511int libusb_kernel_driver_active(libusb_device_handle * devh, int interface); 512int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen); 513int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen); 514int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface); 515int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface); 516int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface); 517int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable); 518int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting); 519 520/* USB Descriptors */ 521 522int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc); 523int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config); 524int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config); 525int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); 526void libusb_free_config_descriptor(struct libusb_config_descriptor *config); 527int libusb_get_ss_endpoint_companion_descriptor(struct libusb_context *ctx, const struct libusb_endpoint_descriptor *endpoint, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 528void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 529int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length); 530int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length); 531int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length); 532int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 533void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 534int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos); 535void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos); 536int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos); 537int 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); 538void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension); 539int 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); 540void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability); 541int libusb_get_container_id_descriptor(struct libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_container_id_descriptor **container_id); 542void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id); 543 544/* Asynchronous device I/O */ 545 546struct libusb_transfer *libusb_alloc_transfer(int iso_packets); 547void libusb_free_transfer(struct libusb_transfer *transfer); 548int libusb_submit_transfer(struct libusb_transfer *transfer); 549int libusb_cancel_transfer(struct libusb_transfer *transfer); 550uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index); 551uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index); 552void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length); 553uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer); 554struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer); 555void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength); 556void 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); 557void 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); 558void 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); 559void 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); 560 561/* Polling and timing */ 562 563int libusb_try_lock_events(libusb_context * ctx); 564void libusb_lock_events(libusb_context * ctx); 565void libusb_unlock_events(libusb_context * ctx); 566int libusb_event_handling_ok(libusb_context * ctx); 567int libusb_event_handler_active(libusb_context * ctx); 568void libusb_interrupt_event_handler(libusb_context *ctx); 569void libusb_lock_event_waiters(libusb_context * ctx); 570void libusb_unlock_event_waiters(libusb_context * ctx); 571int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv); 572int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed); 573int libusb_handle_events_completed(libusb_context * ctx, int *completed); 574int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv); 575int libusb_handle_events(libusb_context * ctx); 576int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv); 577int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv); 578void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); 579const struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx); 580 581/* Synchronous device I/O */ 582 583int 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); 584int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 585int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 586 587/* Byte-order */ 588 589uint16_t libusb_cpu_to_le16(uint16_t x); 590uint16_t libusb_le16_to_cpu(uint16_t x); 591 592/* Hotplug support */ 593 594typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx, 595 libusb_device *device, libusb_hotplug_event event, void *user_data); 596 597int 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); 598void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle handle); 599 600/* Streams support */ 601 602int libusb_alloc_streams(libusb_device_handle *dev, uint32_t num_streams, unsigned char *endpoints, int num_endpoints); 603int libusb_free_streams(libusb_device_handle *dev, unsigned char *endpoints, int num_endpoints); 604void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id); 605uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer); 606 607#if 0 608{ /* indent fix */ 609#endif 610#ifdef __cplusplus 611} 612 613#endif 614 615#endif /* __LIBUSB_H__ */ 616