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 LIBUSB_TRANSFER_TYPE_BULK_STREAM = 4, 126 }; 127 128 enum 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 }; 143 144 enum 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 }; 150 151 enum 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 159 160 enum 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 168 169 enum 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 }; 174 175 enum 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 }; 181 182 enum 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 }; 196 197 enum 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 }; 213 214 #define LIBUSB_ERROR_COUNT 14 215 216 enum libusb_speed { 217 LIBUSB_SPEED_UNKNOWN = 0, 218 LIBUSB_SPEED_LOW = 1, 219 LIBUSB_SPEED_FULL = 2, 220 LIBUSB_SPEED_HIGH = 3, 221 LIBUSB_SPEED_SUPER = 4, 222 LIBUSB_SPEED_SUPER_PLUS = 5, 223 }; 224 225 enum libusb_transfer_status { 226 LIBUSB_TRANSFER_COMPLETED, 227 LIBUSB_TRANSFER_ERROR, 228 LIBUSB_TRANSFER_TIMED_OUT, 229 LIBUSB_TRANSFER_CANCELLED, 230 LIBUSB_TRANSFER_STALL, 231 LIBUSB_TRANSFER_NO_DEVICE, 232 LIBUSB_TRANSFER_OVERFLOW, 233 }; 234 235 enum libusb_transfer_flags { 236 LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0, 237 LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1, 238 LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2, 239 }; 240 241 enum libusb_log_level { 242 LIBUSB_LOG_LEVEL_NONE = 0, 243 LIBUSB_LOG_LEVEL_ERROR, 244 LIBUSB_LOG_LEVEL_WARNING, 245 LIBUSB_LOG_LEVEL_INFO, 246 LIBUSB_LOG_LEVEL_DEBUG 247 }; 248 249 #define LIBUSB_HOTPLUG_MATCH_ANY -1 250 251 typedef enum { 252 LIBUSB_HOTPLUG_NO_FLAGS = 0, 253 LIBUSB_HOTPLUG_ENUMERATE = 1 << 0, 254 } libusb_hotplug_flag; 255 256 typedef enum { 257 LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1, 258 LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 2, 259 } libusb_hotplug_event; 260 261 enum libusb_option { 262 LIBUSB_OPTION_LOG_LEVEL = 0, 263 LIBUSB_OPTION_USE_USBDK = 1, 264 LIBUSB_OPTION_NO_DEVICE_DISCOVERY = 2, 265 LIBUSB_OPTION_WEAK_AUTHORITY = 2, 266 LIBUSB_OPTION_MAX = 3, 267 }; 268 269 /* libusb structures */ 270 271 struct libusb_context; 272 struct libusb_device; 273 struct libusb_transfer; 274 struct libusb_device_handle; 275 struct libusb_hotplug_callback_handle_struct; 276 277 struct libusb_pollfd { 278 int fd; 279 short events; 280 }; 281 282 struct 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 }; 290 291 struct libusb_init_option { 292 enum libusb_option option; 293 union { 294 int64_t ival; 295 } value; 296 }; 297 298 typedef struct libusb_context libusb_context; 299 typedef struct libusb_device libusb_device; 300 typedef struct libusb_device_handle libusb_device_handle; 301 typedef struct libusb_pollfd libusb_pollfd; 302 typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data); 303 typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data); 304 typedef struct libusb_hotplug_callback_handle_struct *libusb_hotplug_callback_handle; 305 306 typedef struct libusb_device_descriptor { 307 uint8_t bLength; 308 uint8_t bDescriptorType; 309 uint16_t bcdUSB; 310 uint8_t bDeviceClass; 311 uint8_t bDeviceSubClass; 312 uint8_t bDeviceProtocol; 313 uint8_t bMaxPacketSize0; 314 uint16_t idVendor; 315 uint16_t idProduct; 316 uint16_t bcdDevice; 317 uint8_t iManufacturer; 318 uint8_t iProduct; 319 uint8_t iSerialNumber; 320 uint8_t bNumConfigurations; 321 } libusb_device_descriptor; 322 323 typedef struct libusb_endpoint_descriptor { 324 uint8_t bLength; 325 uint8_t bDescriptorType; 326 uint8_t bEndpointAddress; 327 uint8_t bmAttributes; 328 uint16_t wMaxPacketSize; 329 uint8_t bInterval; 330 uint8_t bRefresh; 331 uint8_t bSynchAddress; 332 uint8_t *extra; 333 int extra_length; 334 } libusb_endpoint_descriptor __aligned(sizeof(void *)); 335 336 typedef struct libusb_ss_endpoint_companion_descriptor { 337 uint8_t bLength; 338 uint8_t bDescriptorType; 339 uint8_t bMaxBurst; 340 uint8_t bmAttributes; 341 uint16_t wBytesPerInterval; 342 } libusb_ss_endpoint_companion_descriptor __aligned(sizeof(void *)); 343 344 typedef struct libusb_interface_descriptor { 345 uint8_t bLength; 346 uint8_t bDescriptorType; 347 uint8_t bInterfaceNumber; 348 uint8_t bAlternateSetting; 349 uint8_t bNumEndpoints; 350 uint8_t bInterfaceClass; 351 uint8_t bInterfaceSubClass; 352 uint8_t bInterfaceProtocol; 353 uint8_t iInterface; 354 struct libusb_endpoint_descriptor *endpoint; 355 uint8_t *extra; 356 int extra_length; 357 } libusb_interface_descriptor __aligned(sizeof(void *)); 358 359 typedef struct libusb_interface { 360 struct libusb_interface_descriptor *altsetting; 361 int num_altsetting; 362 } libusb_interface __aligned(sizeof(void *)); 363 364 typedef struct libusb_config_descriptor { 365 uint8_t bLength; 366 uint8_t bDescriptorType; 367 uint16_t wTotalLength; 368 uint8_t bNumInterfaces; 369 uint8_t bConfigurationValue; 370 uint8_t iConfiguration; 371 uint8_t bmAttributes; 372 uint8_t MaxPower; 373 struct libusb_interface *interface; 374 uint8_t *extra; 375 int extra_length; 376 } libusb_config_descriptor __aligned(sizeof(void *)); 377 378 typedef struct libusb_usb_2_0_device_capability_descriptor { 379 uint8_t bLength; 380 uint8_t bDescriptorType; 381 uint8_t bDevCapabilityType; 382 uint32_t bmAttributes; 383 #define LIBUSB_USB_2_0_CAPABILITY_LPM_SUPPORT (1 << 1) 384 } libusb_usb_2_0_device_capability_descriptor __aligned(sizeof(void *)); 385 386 typedef struct libusb_ss_usb_device_capability_descriptor { 387 uint8_t bLength; 388 uint8_t bDescriptorType; 389 uint8_t bDevCapabilityType; 390 uint8_t bmAttributes; 391 #define LIBUSB_SS_USB_CAPABILITY_LPM_SUPPORT (1 << 1) 392 uint16_t wSpeedSupported; 393 #define LIBUSB_CAPABILITY_LOW_SPEED_OPERATION (1) 394 #define LIBUSB_CAPABILITY_FULL_SPEED_OPERATION (1 << 1) 395 #define LIBUSB_CAPABILITY_HIGH_SPEED_OPERATION (1 << 2) 396 #define LIBUSB_CAPABILITY_5GBPS_OPERATION (1 << 3) 397 uint8_t bFunctionalitySupport; 398 uint8_t bU1DevExitLat; 399 uint16_t wU2DevExitLat; 400 } libusb_ss_usb_device_capability_descriptor __aligned(sizeof(void *)); 401 402 typedef struct libusb_bos_dev_capability_descriptor { 403 uint8_t bLength; 404 uint8_t bDescriptorType; 405 uint8_t bDevCapabilityType; 406 uint8_t dev_capability_data[0]; 407 } libusb_bos_dev_capability_descriptor __aligned(sizeof(void *)); 408 409 typedef struct libusb_bos_descriptor { 410 uint8_t bLength; 411 uint8_t bDescriptorType; 412 uint16_t wTotalLength; 413 #ifndef bNumDeviceCapabilities 414 #define bNumDeviceCapabilities bNumDeviceCaps 415 #endif 416 uint8_t bNumDeviceCaps; 417 struct libusb_usb_2_0_device_capability_descriptor *usb_2_0_ext_cap; 418 struct libusb_ss_usb_device_capability_descriptor *ss_usb_cap; 419 struct libusb_bos_dev_capability_descriptor **dev_capability; 420 } libusb_bos_descriptor __aligned(sizeof(void *)); 421 422 typedef struct libusb_usb_2_0_extension_descriptor { 423 uint8_t bLength; 424 uint8_t bDescriptorType; 425 uint8_t bDevCapabilityType; 426 uint32_t bmAttributes; 427 } libusb_usb_2_0_extension_descriptor __aligned(sizeof(void *)); 428 429 typedef struct libusb_container_id_descriptor { 430 uint8_t bLength; 431 uint8_t bDescriptorType; 432 uint8_t bDevCapabilityType; 433 uint8_t bReserved; 434 uint8_t ContainerID[16]; 435 } libusb_container_id_descriptor __aligned(sizeof(void *)); 436 437 typedef struct libusb_control_setup { 438 uint8_t bmRequestType; 439 uint8_t bRequest; 440 uint16_t wValue; 441 uint16_t wIndex; 442 uint16_t wLength; 443 } libusb_control_setup; 444 445 #define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */ 446 447 typedef struct libusb_iso_packet_descriptor { 448 uint32_t length; 449 uint32_t actual_length; 450 enum libusb_transfer_status status; 451 } libusb_iso_packet_descriptor __aligned(sizeof(void *)); 452 453 typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer); 454 455 typedef struct libusb_transfer { 456 libusb_device_handle *dev_handle; 457 uint8_t flags; 458 uint8_t endpoint; 459 uint8_t type; 460 uint32_t timeout; 461 enum libusb_transfer_status status; 462 int length; 463 int actual_length; 464 libusb_transfer_cb_fn callback; 465 void *user_data; 466 uint8_t *buffer; 467 int num_iso_packets; 468 struct libusb_iso_packet_descriptor iso_packet_desc[0]; 469 } libusb_transfer __aligned(sizeof(void *)); 470 471 /* Library initialisation */ 472 473 void libusb_set_debug(libusb_context * ctx, int level); 474 const struct libusb_version *libusb_get_version(void); 475 const char *libusb_strerror(int code); 476 const char *libusb_error_name(int code); 477 int libusb_init(libusb_context ** context); 478 int libusb_init_context(libusb_context **, const struct libusb_init_option [], int num_options); 479 void libusb_exit(struct libusb_context *ctx); 480 int libusb_has_capability(uint32_t capability); 481 int libusb_setlocale(const char *locale); 482 483 /* Device handling and enumeration */ 484 485 ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list); 486 void libusb_free_device_list(libusb_device ** list, int unref_devices); 487 uint8_t libusb_get_bus_number(libusb_device * dev); 488 uint8_t libusb_get_port_number(libusb_device * dev); 489 int libusb_get_port_numbers(libusb_device *dev, uint8_t *buf, uint8_t bufsize); 490 int libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize); 491 uint8_t libusb_get_device_address(libusb_device * dev); 492 enum libusb_speed libusb_get_device_speed(libusb_device * dev); 493 int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint); 494 int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint); 495 int libusb_get_max_iso_packet_size(libusb_device * dev, uint8_t endpoint); 496 libusb_device *libusb_ref_device(libusb_device * dev); 497 void libusb_unref_device(libusb_device * dev); 498 int libusb_open(libusb_device * dev, libusb_device_handle ** devh); 499 libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id); 500 void libusb_close(libusb_device_handle * devh); 501 libusb_device *libusb_get_device(libusb_device_handle * devh); 502 libusb_device *libusb_get_parent(libusb_device * dev); 503 int libusb_get_configuration(libusb_device_handle * devh, int *config); 504 int libusb_set_configuration(libusb_device_handle * devh, int configuration); 505 int libusb_claim_interface(libusb_device_handle * devh, int interface_number); 506 int libusb_release_interface(libusb_device_handle * devh, int interface_number); 507 int libusb_reset_device(libusb_device_handle * devh); 508 int libusb_check_connected(libusb_device_handle * devh); 509 int libusb_kernel_driver_active(libusb_device_handle * devh, int interface); 510 int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen); 511 int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen); 512 int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface); 513 int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface); 514 int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface); 515 int libusb_set_auto_detach_kernel_driver(libusb_device_handle *dev, int enable); 516 int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting); 517 unsigned char *libusb_dev_mem_alloc(libusb_device_handle *devh); 518 int libusb_dev_mem_free(libusb_device_handle *devh, unsigned char *buffer, 519 size_t size); 520 521 /* USB Descriptors */ 522 523 int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc); 524 int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config); 525 int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config); 526 int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); 527 void libusb_free_config_descriptor(struct libusb_config_descriptor *config); 528 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); 529 void libusb_free_ss_endpoint_companion_descriptor(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 530 int libusb_get_string_descriptor(libusb_device_handle * devh, uint8_t desc_index, uint16_t langid, unsigned char *data, int length); 531 int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length); 532 int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length); 533 int libusb_parse_ss_endpoint_comp(const void *buf, int len, struct libusb_ss_endpoint_companion_descriptor **ep_comp); 534 void libusb_free_ss_endpoint_comp(struct libusb_ss_endpoint_companion_descriptor *ep_comp); 535 int libusb_parse_bos_descriptor(const void *buf, int len, struct libusb_bos_descriptor **bos); 536 void libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos); 537 int libusb_get_bos_descriptor(libusb_device_handle *handle, struct libusb_bos_descriptor **bos); 538 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); 539 void libusb_free_usb_2_0_extension_descriptor(struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension); 540 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); 541 void libusb_free_ss_usb_device_capability_descriptor(struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_capability); 542 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); 543 void libusb_free_container_id_descriptor(struct libusb_container_id_descriptor *container_id); 544 545 /* Asynchronous device I/O */ 546 547 struct libusb_transfer *libusb_alloc_transfer(int iso_packets); 548 void libusb_free_transfer(struct libusb_transfer *transfer); 549 int libusb_submit_transfer(struct libusb_transfer *transfer); 550 int libusb_cancel_transfer(struct libusb_transfer *transfer); 551 uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index); 552 uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index); 553 void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length); 554 uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer); 555 struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer); 556 void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength); 557 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); 558 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); 559 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); 560 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); 561 562 /* Polling and timing */ 563 564 int libusb_try_lock_events(libusb_context * ctx); 565 void libusb_lock_events(libusb_context * ctx); 566 void libusb_unlock_events(libusb_context * ctx); 567 int libusb_event_handling_ok(libusb_context * ctx); 568 int libusb_event_handler_active(libusb_context * ctx); 569 void libusb_interrupt_event_handler(libusb_context *ctx); 570 void libusb_lock_event_waiters(libusb_context * ctx); 571 void libusb_unlock_event_waiters(libusb_context * ctx); 572 int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv); 573 int libusb_handle_events_timeout_completed(libusb_context * ctx, struct timeval *tv, int *completed); 574 int libusb_handle_events_completed(libusb_context * ctx, int *completed); 575 int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv); 576 int libusb_handle_events(libusb_context * ctx); 577 int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv); 578 int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv); 579 void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); 580 const struct libusb_pollfd **libusb_get_pollfds(libusb_context *ctx); 581 void libusb_free_pollfds(const struct libusb_pollfd **pollfds); 582 583 /* Synchronous device I/O */ 584 585 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); 586 int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 587 int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout); 588 589 /* Byte-order */ 590 591 uint16_t libusb_cpu_to_le16(uint16_t x); 592 uint16_t libusb_le16_to_cpu(uint16_t x); 593 594 /* Hotplug support */ 595 596 typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx, 597 libusb_device *device, libusb_hotplug_event event, void *user_data); 598 599 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); 600 void libusb_hotplug_deregister_callback(libusb_context *ctx, libusb_hotplug_callback_handle handle); 601 void *libusb_hotplug_get_user_data(struct libusb_context *ctx, 602 libusb_hotplug_callback_handle callback_handle); 603 604 /* Streams support */ 605 606 int libusb_alloc_streams(libusb_device_handle *dev, uint32_t num_streams, unsigned char *endpoints, int num_endpoints); 607 int libusb_free_streams(libusb_device_handle *dev, unsigned char *endpoints, int num_endpoints); 608 void libusb_transfer_set_stream_id(struct libusb_transfer *transfer, uint32_t stream_id); 609 uint32_t libusb_transfer_get_stream_id(struct libusb_transfer *transfer); 610 611 #if 0 612 { /* indent fix */ 613 #endif 614 #ifdef __cplusplus 615 } 616 617 #endif 618 619 #endif /* __LIBUSB_H__ */ 620