1/* $FreeBSD$ */ 2/*- 3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4 * 5 * Copyright (c) 2009 Sylvestre Gallon. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#ifndef __LIBUSB_H__ 30#define __LIBUSB_H__ 31 32#ifndef LIBUSB_GLOBAL_INCLUDE_FILE 33#include <stdint.h> 34#include <sys/time.h> 35#include <sys/types.h> 36#endif 37 38#define LIBUSB_API_VERSION 0x01000102 39 40#define LIBUSB_CALL 41 42#ifdef __cplusplus 43extern "C" { 44#endif 45#if 0 46} /* indent fix */ 47 48#endif 49 50/* libusb enums */ 51 52enum libusb_class_code { 53 LIBUSB_CLASS_PER_INTERFACE = 0, 54 LIBUSB_CLASS_AUDIO = 1, 55 LIBUSB_CLASS_COMM = 2, 56 LIBUSB_CLASS_HID = 3, 57 LIBUSB_CLASS_PHYSICAL = 5, 58 LIBUSB_CLASS_PTP = 6, 59 LIBUSB_CLASS_IMAGE = 6, 60 LIBUSB_CLASS_PRINTER = 7, 61 LIBUSB_CLASS_MASS_STORAGE = 8, 62 LIBUSB_CLASS_HUB = 9, 63 LIBUSB_CLASS_DATA = 10, 64 LIBUSB_CLASS_SMART_CARD = 11, 65 LIBUSB_CLASS_CONTENT_SECURITY = 13, 66 LIBUSB_CLASS_VIDEO = 14, 67 LIBUSB_CLASS_PERSONAL_HEALTHCARE = 15, 68 LIBUSB_CLASS_DIAGNOSTIC_DEVICE = 0xdc, 69 LIBUSB_CLASS_WIRELESS = 0xe0, 70 LIBUSB_CLASS_APPLICATION = 0xfe, 71 LIBUSB_CLASS_VENDOR_SPEC = 0xff, 72}; 73 74enum libusb_descriptor_type { 75 LIBUSB_DT_DEVICE = 0x01, 76 LIBUSB_DT_CONFIG = 0x02, 77 LIBUSB_DT_STRING = 0x03, 78 LIBUSB_DT_INTERFACE = 0x04, 79 LIBUSB_DT_ENDPOINT = 0x05, 80 LIBUSB_DT_HID = 0x21, 81 LIBUSB_DT_REPORT = 0x22, 82 LIBUSB_DT_PHYSICAL = 0x23, 83 LIBUSB_DT_HUB = 0x29, 84 LIBUSB_DT_BOS = 0x0f, 85 LIBUSB_DT_DEVICE_CAPABILITY = 0x10, 86 LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30, 87}; 88 89enum libusb_device_capability_type { 90 LIBUSB_WIRELESS_USB_DEVICE_CAPABILITY = 0x1, 91 LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY = 0x2, 92 LIBUSB_SS_USB_DEVICE_CAPABILITY = 0x3, 93 LIBUSB_CONTAINER_ID_DEVICE_CAPABILITY = 0x4, 94}; 95 96#define LIBUSB_DT_DEVICE_SIZE 18 97#define LIBUSB_DT_CONFIG_SIZE 9 98#define LIBUSB_DT_INTERFACE_SIZE 9 99#define LIBUSB_DT_ENDPOINT_SIZE 7 100#define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9 101#define LIBUSB_DT_HUB_NONVAR_SIZE 7 102#define LIBUSB_DT_SS_ENDPOINT_COMPANION_SIZE 6 103#define LIBUSB_DT_BOS_SIZE 5 104#define LIBUSB_USB_2_0_EXTENSION_DEVICE_CAPABILITY_SIZE 7 105#define LIBUSB_SS_USB_DEVICE_CAPABILITY_SIZE 10 106 107#define LIBUSB_BT_USB_2_0_EXTENSION_SIZE 7 108#define LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE 10 109#define LIBUSB_BT_CONTAINER_ID_SIZE 20 110 111#define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f 112#define LIBUSB_ENDPOINT_DIR_MASK 0x80 113 114enum libusb_endpoint_direction { 115 LIBUSB_ENDPOINT_IN = 0x80, 116 LIBUSB_ENDPOINT_OUT = 0x00, 117}; 118 119#define LIBUSB_TRANSFER_TYPE_MASK 0x03 120 121enum libusb_transfer_type { 122 LIBUSB_TRANSFER_TYPE_CONTROL = 0, 123 LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1, 124 LIBUSB_TRANSFER_TYPE_BULK = 2, 125 LIBUSB_TRANSFER_TYPE_INTERRUPT = 3, 126}; 127 128enum libusb_standard_request { 129 LIBUSB_REQUEST_GET_STATUS = 0x00, 130 LIBUSB_REQUEST_CLEAR_FEATURE = 0x01, 131 LIBUSB_REQUEST_SET_FEATURE = 0x03, 132 LIBUSB_REQUEST_SET_ADDRESS = 0x05, 133 LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06, 134 LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07, 135 LIBUSB_REQUEST_GET_CONFIGURATION = 0x08, 136 LIBUSB_REQUEST_SET_CONFIGURATION = 0x09, 137 LIBUSB_REQUEST_GET_INTERFACE = 0x0A, 138 LIBUSB_REQUEST_SET_INTERFACE = 0x0B, 139 LIBUSB_REQUEST_SYNCH_FRAME = 0x0C, 140 LIBUSB_REQUEST_SET_SEL = 0x30, 141 LIBUSB_REQUEST_SET_ISOCH_DELAY = 0x31, 142}; 143 144enum libusb_request_type { 145 LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5), 146 LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5), 147 LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5), 148 LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5), 149}; 150 151enum libusb_request_recipient { 152 LIBUSB_RECIPIENT_DEVICE = 0x00, 153 LIBUSB_RECIPIENT_INTERFACE = 0x01, 154 LIBUSB_RECIPIENT_ENDPOINT = 0x02, 155 LIBUSB_RECIPIENT_OTHER = 0x03, 156}; 157 158#define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C 159 160enum libusb_iso_sync_type { 161 LIBUSB_ISO_SYNC_TYPE_NONE = 0, 162 LIBUSB_ISO_SYNC_TYPE_ASYNC = 1, 163 LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2, 164 LIBUSB_ISO_SYNC_TYPE_SYNC = 3, 165}; 166 167#define LIBUSB_ISO_USAGE_TYPE_MASK 0x30 168 169enum libusb_iso_usage_type { 170 LIBUSB_ISO_USAGE_TYPE_DATA = 0, 171 LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1, 172 LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2, 173}; 174 175enum libusb_bos_type { 176 LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY = 1, 177 LIBUSB_BT_USB_2_0_EXTENSION = 2, 178 LIBUSB_BT_SS_USB_DEVICE_CAPABILITY = 3, 179 LIBUSB_BT_CONTAINER_ID = 4, 180}; 181 182enum libusb_capability { 183 /* libusb supports libusb_has_capability(). */ 184 LIBUSB_CAP_HAS_CAPABILITY = 0, 185 /* Hotplug support is available. */ 186 LIBUSB_CAP_HAS_HOTPLUG, 187 /* Can access HID devices without requiring user intervention. */ 188 LIBUSB_CAP_HAS_HID_ACCESS, 189 190 /* 191 * Supports detaching of the default USB driver with 192 * libusb_detach_kernel_driver(). 193 */ 194 LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER, 195}; 196 197enum libusb_error { 198 LIBUSB_SUCCESS = 0, 199 LIBUSB_ERROR_IO = -1, 200 LIBUSB_ERROR_INVALID_PARAM = -2, 201 LIBUSB_ERROR_ACCESS = -3, 202 LIBUSB_ERROR_NO_DEVICE = -4, 203 LIBUSB_ERROR_NOT_FOUND = -5, 204 LIBUSB_ERROR_BUSY = -6, 205 LIBUSB_ERROR_TIMEOUT = -7, 206 LIBUSB_ERROR_OVERFLOW = -8, 207 LIBUSB_ERROR_PIPE = -9, 208 LIBUSB_ERROR_INTERRUPTED = -10, 209 LIBUSB_ERROR_NO_MEM = -11, 210 LIBUSB_ERROR_NOT_SUPPORTED = -12, 211 LIBUSB_ERROR_OTHER = -99, 212}; 213 214enum libusb_speed { 215 LIBUSB_SPEED_UNKNOWN = 0, 216 LIBUSB_SPEED_LOW = 1, 217 LIBUSB_SPEED_FULL = 2, 218 LIBUSB_SPEED_HIGH = 3, 219 LIBUSB_SPEED_SUPER = 4, 220}; 221 222enum libusb_transfer_status { 223 LIBUSB_TRANSFER_COMPLETED, 224 LIBUSB_TRANSFER_ERROR, 225 LIBUSB_TRANSFER_TIMED_OUT, 226 LIBUSB_TRANSFER_CANCELLED, 227 LIBUSB_TRANSFER_STALL, 228 LIBUSB_TRANSFER_NO_DEVICE, 229 LIBUSB_TRANSFER_OVERFLOW, 230}; 231 232enum libusb_transfer_flags { 233 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0, 234 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1, 235 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2, 236}; 237 238enum libusb_log_level { 239 LIBUSB_LOG_LEVEL_NONE = 0, 240 LIBUSB_LOG_LEVEL_ERROR, 241 LIBUSB_LOG_LEVEL_WARNING, 242 LIBUSB_LOG_LEVEL_INFO, 243 LIBUSB_LOG_LEVEL_DEBUG 244}; 245 246/* XXX */ 247/* libusb_set_debug should take parameters from libusb_log_level 248 * above according to 249 * http://libusb.sourceforge.net/api-1.0/group__lib.html 250 */ 251enum libusb_debug_level { 252 LIBUSB_DEBUG_NO=0, 253 LIBUSB_DEBUG_FUNCTION=1, 254 LIBUSB_DEBUG_TRANSFER=2, 255}; 256 257#define LIBUSB_HOTPLUG_MATCH_ANY -1 258 259typedef enum { 260 LIBUSB_HOTPLUG_NO_FLAGS = 0, 261 LIBUSB_HOTPLUG_ENUMERATE = 1 << 0, 262} libusb_hotplug_flag; 263 264typedef enum { 265 LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1, 266 LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 2, 267} libusb_hotplug_event; 268 269/* libusb structures */ 270 271struct libusb_context; 272struct libusb_device; 273struct libusb_transfer; 274struct libusb_device_handle; 275struct libusb_hotplug_callback_handle_struct; 276 277struct libusb_pollfd { 278 int fd; 279 short events; 280}; 281 282struct libusb_version { 283 const uint16_t major; 284 const uint16_t minor; 285 const uint16_t micro; 286 const uint16_t nano; 287 const char *rc; 288 const char *describe; 289}; 290 291typedef struct libusb_context libusb_context; 292typedef struct libusb_device libusb_device; 293typedef struct libusb_device_handle libusb_device_handle; 294typedef struct libusb_pollfd libusb_pollfd; 295typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data); 296typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data); 297typedef struct libusb_hotplug_callback_handle_struct *libusb_hotplug_callback_handle; 298 299typedef struct libusb_device_descriptor { 300 uint8_t bLength; 301 uint8_t bDescriptorType; 302 uint16_t bcdUSB; 303 uint8_t bDeviceClass; 304 uint8_t bDeviceSubClass; 305 uint8_t bDeviceProtocol; 306 uint8_t bMaxPacketSize0; 307 uint16_t idVendor; 308 uint16_t idProduct; 309 uint16_t bcdDevice; 310 uint8_t iManufacturer; 311 uint8_t iProduct; 312 uint8_t iSerialNumber; 313 uint8_t bNumConfigurations; 314} libusb_device_descriptor; 315 316typedef struct libusb_endpoint_descriptor { 317 uint8_t bLength; 318 uint8_t bDescriptorType; 319 uint8_t bEndpointAddress; 320 uint8_t bmAttributes; 321 uint16_t wMaxPacketSize; 322 uint8_t bInterval; 323 uint8_t bRefresh; 324 uint8_t bSynchAddress; 325 uint8_t *extra; 326 int extra_length; 327} libusb_endpoint_descriptor __aligned(sizeof(void *)); 328 329typedef struct libusb_ss_endpoint_companion_descriptor { 330 uint8_t bLength; 331 uint8_t bDescriptorType; 332 uint8_t bMaxBurst; 333 uint8_t bmAttributes; 334 uint16_t wBytesPerInterval; 335} libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *)); 336 337typedef struct libusb_interface_descriptor { 338 uint8_t bLength; 339 uint8_t bDescriptorType; 340 uint8_t bInterfaceNumber; 341 uint8_t bAlternateSetting; 342 uint8_t bNumEndpoints; 343 uint8_t bInterfaceClass; 344 uint8_t bInterfaceSubClass; 345 uint8_t bInterfaceProtocol; 346 uint8_t iInterface; 347 struct libusb_endpoint_descriptor *endpoint; 348 uint8_t *extra; 349 int extra_length; 350} libusb_interface_descriptor __aligned(sizeof(void *)); 351 352typedef struct libusb_interface { 353 struct libusb_interface_descriptor *altsetting; 354 int num_altsetting; 355} libusb_interface __aligned(sizeof(void *)); 356 357typedef struct libusb_config_descriptor { 358 uint8_t bLength; 359 uint8_t bDescriptorType; 360 uint16_t wTotalLength; 361 uint8_t bNumInterfaces; 362 uint8_t bConfigurationValue; 363 uint8_t iConfiguration; 364 uint8_t bmAttributes; 365 uint8_t MaxPower; 366 struct libusb_interface *interface; 367 uint8_t *extra; 368 int extra_length; 369} libusb_config_descriptor __aligned(sizeof(void *)); 370 371typedef struct libusb_usb_2_0_device_capability_descriptor { 372 uint8_t bLength; 373 uint8_t bDescriptorType; 374 uint8_t bDevCapabilityType; 375 uint32_t bmAttributes; 376#define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1) 377} libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *)); 378 379typedef struct libusb_ss_usb_device_capability_descriptor { 380 uint8_t bLength; 381 uint8_t bDescriptorType; 382 uint8_t bDevCapabilityType; 383 uint8_t bmAttributes; 384#define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1) 385 uint16_t wSpeedSupported; 386#define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1) 387#define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1) 388#define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2) 389#define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3) 390 uint8_t bFunctionalitySupport; 391 uint8_t bU1DevExitLat; 392 uint16_t wU2DevExitLat; 393} libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *)); 394 395typedef struct libusb_bos_dev_capability_descriptor { 396 uint8_t bLength; 397 uint8_t bDescriptorType; 398 uint8_t bDevCapabilityType; 399 uint8_t dev_capability_data[0]; 400} libusb_bos_dev_capability_descriptor __aligned(sizeof(void *)); 401 402typedef struct libusb_bos_descriptor { 403 uint8_t bLength; 404 uint8_t bDescriptorType; 405 uint16_t wTotalLength; 406 uint8_t bNumDeviceCapabilities; 407 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap; 408 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap; 409 struct libusb_bos_dev_capability_descriptor **dev_capability; 410} libusb_bos_descriptor __aligned(sizeof(void *)); 411 412typedef struct libusb_usb_2_0_extension_descriptor { 413 uint8_t bLength; 414 uint8_t bDescriptorType; 415 uint8_t bDevCapabilityType; 416 uint32_t bmAttributes; 417} libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *)); 418 419typedef struct libusb_container_id_descriptor { 420 uint8_t bLength; 421 uint8_t bDescriptorType; 422 uint8_t bDevCapabilityType; 423 uint8_t bReserved; 424 uint8_t ContainerID[16]; 425} libusb_container_id_descriptor __aligned(sizeof(void *)); 426 427typedef struct libusb_control_setup { 428 uint8_t bmRequestType; 429 uint8_t bRequest; 430 uint16_t wValue; 431 uint16_t wIndex; 432 uint16_t wLength; 433} libusb_control_setup; 434 435#define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */ 436 437typedef struct libusb_iso_packet_descriptor { 438 uint32_t length; 439 uint32_t actual_length; 440 enum libusb_transfer_status status; 441} libusb_iso_packet_descriptor __aligned(sizeof(void *)); 442 443typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer); 444 445typedef struct libusb_transfer { 446 libusb_device_handle *dev_handle; 447 uint8_t flags; 448 uint8_t endpoint; 449 uint8_t type; 450 uint32_t timeout; 451 enum libusb_transfer_status status; 452 int length; 453 int actual_length; 454 libusb_transfer_cb_fn callback; 455 void *user_data; 456 uint8_t *buffer; 457 int num_iso_packets; 458 struct libusb_iso_packet_descriptor iso_packet_desc[0]; 459} libusb_transfer __aligned(sizeof(void *)); 460 461/* Library initialisation */ 462 463void libusb_set_debug(libusb_context * ctx, int level); 464const struct libusb_version *libusb_get_version(void); 465const char *libusb_strerror(int code); 466const char *libusb_error_name(int code); 467int libusb_init(libusb_context ** context); 468void libusb_exit(struct libusb_context *ctx); 469int libusb_has_capability(uint32_t capability); 470 471/* Device handling and enumeration */ 472 473ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list); 474void libusb_free_device_list(libusb_device ** list, int unref_devices); 475uint8_t libusb_get_bus_number(libusb_device * dev); 476uint8_t libusb_get_port_number(libusb_device * dev); 477int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize); 478int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize); 479uint8_t libusb_get_device_address(libusb_device * dev); 480enum libusb_speed libusb_get_device_speed(libusb_device * dev); 481int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint); 482int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint); 483int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint); 484libusb_device *libusb_ref_device(libusb_device * dev); 485void libusb_unref_device(libusb_device * dev); 486int libusb_open(libusb_device * dev, libusb_device_handle ** devh); 487libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id); 488void libusb_close(libusb_device_handle * devh); 489libusb_device *libusb_get_device(libusb_device_handle * devh); 490int libusb_get_configuration(libusb_device_handle * devh, int *config); 491int libusb_set_configuration(libusb_device_handle * devh, int configuration); 492int libusb_claim_interface(libusb_device_handle * devh, int interface_number); 493int libusb_release_interface(libusb_device_handle * devh, int interface_number); 494int libusb_reset_device(libusb_device_handle * devh); 495int libusb_check_connected(libusb_device_handle * devh); 496int libusb_kernel_driver_active(libusb_device_handle * devh, int interface); 497int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen); 498int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen); 499int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface); 500int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface); 501int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface); 502int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable); 503int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting); 504 505/* USB Descriptors */ 506 507int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc); 508int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config); 509int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config); 510int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); 511void libusb_free_config_descriptor(struct libusb_config_descriptor *config); 512int libusb_get_ss_endpoint_companion_descriptor(struct libusb_context *ctx, const struct libusb_endpoint_descriptor *endpoint, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 513void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 514int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length); 515int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length); 516int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length); 517int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 518void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 519int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos); 520void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos); 521int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos); 522int 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); 523void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension); 524int 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); 525void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability); 526int libusb_get_container_id_descriptor(struct libusb_context *ctx, struct libusb_bos_dev_capability_descriptor *dev_cap, struct libusb_container_id_descriptor **container_id); 527void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id); 528 529/* Asynchronous device I/O */ 530 531struct libusb_transfer *libusb_alloc_transfer(int iso_packets); 532void libusb_free_transfer(struct libusb_transfer *transfer); 533int libusb_submit_transfer(struct libusb_transfer *transfer); 534int libusb_cancel_transfer(struct libusb_transfer *transfer); 535uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index); 536uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index); 537void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length); 538uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer); 539struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer); 540void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength); 541void 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); 542void 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); 543void 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); 544void 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); 545 546/* Polling and timing */ 547 548int libusb_try_lock_events(libusb_context * ctx); 549void libusb_lock_events(libusb_context * ctx); 550void libusb_unlock_events(libusb_context * ctx); 551int libusb_event_handling_ok(libusb_context * ctx); 552int libusb_event_handler_active(libusb_context * ctx); 553void libusb_lock_event_waiters(libusb_context * ctx); 554void libusb_unlock_event_waiters(libusb_context * ctx); 555int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv); 556int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed); 557int libusb_handle_events_completed(libusb_context * ctx, int *completed); 558int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv); 559int libusb_handle_events(libusb_context * ctx); 560int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv); 561int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv); 562void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); 563const struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx); 564 565/* Synchronous device I/O */ 566 567int 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); 568int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 569int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 570 571/* Byte-order */ 572 573uint16_t libusb_cpu_to_le16(uint16_t x); 574uint16_t libusb_le16_to_cpu(uint16_t x); 575 576/* Hotplug support */ 577 578typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx, 579 libusb_device *device, libusb_hotplug_event event, void *user_data); 580 581int 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); 582void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle handle); 583 584/* Streams support */ 585 586int libusb_alloc_streams(libusb_device_handle *dev, uint32_t num_streams, unsigned char *endpoints, int num_endpoints); 587int libusb_free_streams(libusb_device_handle *dev, unsigned char *endpoints, int num_endpoints); 588void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id); 589uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer); 590 591#if 0 592{ /* indent fix */ 593#endif 594#ifdef __cplusplus 595} 596 597#endif 598 599#endif /* __LIBUSB_H__ */ 600