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freebsd-skq/lib/libusb/libusb.h
wkoszek 8d96822e19 Resort includes to match style(9) a bit more. No functional change 
is expected after this commit.

Tested by:	make buildworld
Reviewed by:	hps (patch without .h changes)
2010-02-13 09:45:50 +00:00

388 lines
13 KiB
C
Raw Blame History

/* $FreeBSD$ */
/*-
* Copyright (c) 2009 Sylvestre Gallon. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __LIBUSB_H__
#define __LIBUSB_H__
#include <sys/time.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#if 0
} /* indent fix */
#endif
/* libusb enums */
enum libusb_class_code {
LIBUSB_CLASS_PER_INTERFACE = 0,
LIBUSB_CLASS_AUDIO = 1,
LIBUSB_CLASS_COMM = 2,
LIBUSB_CLASS_HID = 3,
LIBUSB_CLASS_PTP = 6,
LIBUSB_CLASS_PRINTER = 7,
LIBUSB_CLASS_MASS_STORAGE = 8,
LIBUSB_CLASS_HUB = 9,
LIBUSB_CLASS_DATA = 10,
LIBUSB_CLASS_VENDOR_SPEC = 0xff,
};
enum libusb_descriptor_type {
LIBUSB_DT_DEVICE = 0x01,
LIBUSB_DT_CONFIG = 0x02,
LIBUSB_DT_STRING = 0x03,
LIBUSB_DT_INTERFACE = 0x04,
LIBUSB_DT_ENDPOINT = 0x05,
LIBUSB_DT_HID = 0x21,
LIBUSB_DT_REPORT = 0x22,
LIBUSB_DT_PHYSICAL = 0x23,
LIBUSB_DT_HUB = 0x29,
};
#define LIBUSB_DT_DEVICE_SIZE 18
#define LIBUSB_DT_CONFIG_SIZE 9
#define LIBUSB_DT_INTERFACE_SIZE 9
#define LIBUSB_DT_ENDPOINT_SIZE 7
#define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9
#define LIBUSB_DT_HUB_NONVAR_SIZE 7
#define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f
#define LIBUSB_ENDPOINT_DIR_MASK 0x80
enum libusb_endpoint_direction {
LIBUSB_ENDPOINT_IN = 0x80,
LIBUSB_ENDPOINT_OUT = 0x00,
};
#define LIBUSB_TRANSFER_TYPE_MASK 0x03
enum libusb_transfer_type {
LIBUSB_TRANSFER_TYPE_CONTROL = 0,
LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1,
LIBUSB_TRANSFER_TYPE_BULK = 2,
LIBUSB_TRANSFER_TYPE_INTERRUPT = 3,
};
enum libusb_standard_request {
LIBUSB_REQUEST_GET_STATUS = 0x00,
LIBUSB_REQUEST_CLEAR_FEATURE = 0x01,
LIBUSB_REQUEST_SET_FEATURE = 0x03,
LIBUSB_REQUEST_SET_ADDRESS = 0x05,
LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06,
LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07,
LIBUSB_REQUEST_GET_CONFIGURATION = 0x08,
LIBUSB_REQUEST_SET_CONFIGURATION = 0x09,
LIBUSB_REQUEST_GET_INTERFACE = 0x0A,
LIBUSB_REQUEST_SET_INTERFACE = 0x0B,
LIBUSB_REQUEST_SYNCH_FRAME = 0x0C,
};
enum libusb_request_type {
LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5),
LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5),
LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5),
LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5),
};
enum libusb_request_recipient {
LIBUSB_RECIPIENT_DEVICE = 0x00,
LIBUSB_RECIPIENT_INTERFACE = 0x01,
LIBUSB_RECIPIENT_ENDPOINT = 0x02,
LIBUSB_RECIPIENT_OTHER = 0x03,
};
#define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C
enum libusb_iso_sync_type {
LIBUSB_ISO_SYNC_TYPE_NONE = 0,
LIBUSB_ISO_SYNC_TYPE_ASYNC = 1,
LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2,
LIBUSB_ISO_SYNC_TYPE_SYNC = 3,
};
#define LIBUSB_ISO_USAGE_TYPE_MASK 0x30
enum libusb_iso_usage_type {
LIBUSB_ISO_USAGE_TYPE_DATA = 0,
LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1,
LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2,
};
enum libusb_error {
LIBUSB_SUCCESS = 0,
LIBUSB_ERROR_IO = -1,
LIBUSB_ERROR_INVALID_PARAM = -2,
LIBUSB_ERROR_ACCESS = -3,
LIBUSB_ERROR_NO_DEVICE = -4,
LIBUSB_ERROR_NOT_FOUND = -5,
LIBUSB_ERROR_BUSY = -6,
LIBUSB_ERROR_TIMEOUT = -7,
LIBUSB_ERROR_OVERFLOW = -8,
LIBUSB_ERROR_PIPE = -9,
LIBUSB_ERROR_INTERRUPTED = -10,
LIBUSB_ERROR_NO_MEM = -11,
LIBUSB_ERROR_NOT_SUPPORTED = -12,
LIBUSB_ERROR_OTHER = -99,
};
enum libusb_transfer_status {
LIBUSB_TRANSFER_COMPLETED,
LIBUSB_TRANSFER_ERROR,
LIBUSB_TRANSFER_TIMED_OUT,
LIBUSB_TRANSFER_CANCELLED,
LIBUSB_TRANSFER_STALL,
LIBUSB_TRANSFER_NO_DEVICE,
LIBUSB_TRANSFER_OVERFLOW,
};
enum libusb_transfer_flags {
LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0,
LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1,
LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2,
};
enum libusb_debug_level {
LIBUSB_DEBUG_NO=0,
LIBUSB_DEBUG_FUNCTION=1,
LIBUSB_DEBUG_TRANSFER=2,
};
/* libusb structures */
struct libusb_context;
struct libusb_device;
struct libusb_transfer;
struct libusb20_device;
struct libusb_pollfd {
int fd;
short events;
};
typedef struct libusb_context libusb_context;
typedef struct libusb_device libusb_device;
typedef struct libusb20_device libusb_device_handle;
typedef struct libusb_pollfd libusb_pollfd;
typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data);
typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data);
typedef struct libusb_device_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdUSB;
uint8_t bDeviceClass;
uint8_t bDeviceSubClass;
uint8_t bDeviceProtocol;
uint8_t bMaxPacketSize0;
uint16_t idVendor;
uint16_t idProduct;
uint16_t bcdDevice;
uint8_t iManufacturer;
uint8_t iProduct;
uint8_t iSerialNumber;
uint8_t bNumConfigurations;
} libusb_device_descriptor;
typedef struct libusb_endpoint_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bEndpointAddress;
uint8_t bmAttributes;
uint16_t wMaxPacketSize;
uint8_t bInterval;
uint8_t bRefresh;
uint8_t bSynchAddress;
uint8_t *extra;
int extra_length;
} libusb_endpoint_descriptor __aligned(sizeof(void *));
typedef struct libusb_interface_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bInterfaceNumber;
uint8_t bAlternateSetting;
uint8_t bNumEndpoints;
uint8_t bInterfaceClass;
uint8_t bInterfaceSubClass;
uint8_t bInterfaceProtocol;
uint8_t iInterface;
struct libusb_endpoint_descriptor *endpoint;
uint8_t *extra;
int extra_length;
} libusb_interface_descriptor __aligned(sizeof(void *));
typedef struct libusb_interface {
struct libusb_interface_descriptor *altsetting;
int num_altsetting;
} libusb_interface __aligned(sizeof(void *));
typedef struct libusb_config_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t wTotalLength;
uint8_t bNumInterfaces;
uint8_t bConfigurationValue;
uint8_t iConfiguration;
uint8_t bmAttributes;
uint8_t MaxPower;
struct libusb_interface *interface;
uint8_t *extra;
int extra_length;
} libusb_config_descriptor __aligned(sizeof(void *));
typedef struct libusb_control_setup {
uint8_t bmRequestType;
uint8_t bRequest;
uint16_t wValue;
uint16_t wIndex;
uint16_t wLength;
} libusb_control_setup;
#define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */
typedef struct libusb_iso_packet_descriptor {
uint32_t length;
uint32_t actual_length;
enum libusb_transfer_status status;
} libusb_iso_packet_descriptor __aligned(sizeof(void *));
typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer);
typedef struct libusb_transfer {
libusb_device_handle *dev_handle;
uint8_t flags;
uint32_t endpoint;
uint8_t type;
uint32_t timeout;
enum libusb_transfer_status status;
int length;
int actual_length;
libusb_transfer_cb_fn callback;
void *user_data;
uint8_t *buffer;
void *os_priv;
int num_iso_packets;
struct libusb_iso_packet_descriptor iso_packet_desc[0];
} libusb_transfer __aligned(sizeof(void *));
/* Library initialisation */
void libusb_set_debug(libusb_context * ctx, int level);
int libusb_init(libusb_context ** context);
void libusb_exit(struct libusb_context *ctx);
/* Device handling and enumeration */
ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list);
void libusb_free_device_list(libusb_device ** list, int unref_devices);
uint8_t libusb_get_bus_number(libusb_device * dev);
uint8_t libusb_get_device_address(libusb_device * dev);
int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint);
int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint);
libusb_device *libusb_ref_device(libusb_device * dev);
void libusb_unref_device(libusb_device * dev);
int libusb_open(libusb_device * dev, libusb_device_handle ** devh);
libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id);
void libusb_close(libusb_device_handle * devh);
libusb_device *libusb_get_device(libusb_device_handle * devh);
int libusb_get_configuration(libusb_device_handle * devh, int *config);
int libusb_set_configuration(libusb_device_handle * devh, int configuration);
int libusb_claim_interface(libusb_device_handle * devh, int interface_number);
int libusb_release_interface(libusb_device_handle * devh, int interface_number);
int libusb_reset_device(libusb_device_handle * devh);
int libusb_kernel_driver_active(libusb_device_handle * devh, int interface);
int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface);
int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface);
int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting);
/* USB Descriptors */
int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc);
int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config);
int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config);
int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config);
void libusb_free_config_descriptor(struct libusb_config_descriptor *config);
int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length);
int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length);
/* Asynchronous device I/O */
struct libusb_transfer *libusb_alloc_transfer(int iso_packets);
void libusb_free_transfer(struct libusb_transfer *transfer);
int libusb_submit_transfer(struct libusb_transfer *transfer);
int libusb_cancel_transfer(struct libusb_transfer *transfer);
uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index);
uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index);
void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length);
uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer);
struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer);
void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength);
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);
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);
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);
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);
/* Polling and timing */
int libusb_try_lock_events(libusb_context * ctx);
void libusb_lock_events(libusb_context * ctx);
void libusb_unlock_events(libusb_context * ctx);
int libusb_event_handling_ok(libusb_context * ctx);
int libusb_event_handler_active(libusb_context * ctx);
void libusb_lock_event_waiters(libusb_context * ctx);
void libusb_unlock_event_waiters(libusb_context * ctx);
int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv);
int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv);
int libusb_handle_events(libusb_context * ctx);
int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv);
int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv);
void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data);
struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx);
/* Synchronous device I/O */
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);
int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
/* Byte-order */
uint16_t libusb_cpu_to_le16(uint16_t x);
uint16_t libusb_le16_to_cpu(uint16_t x);
#if 0
{ /* indent fix */
#endif
#ifdef __cplusplus
}
#endif
#endif /* __LIBUSB_H__ */
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