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- /*
- * Prototypes, structure definitions and macros.
- *
- * Copyright (c) 2000-2003 Johannes Erdfelt <johannes@erdfelt.com>
- *
- * This library is covered by the LGPL, read LICENSE for details.
- *
- * This file (and only this file) may alternatively be licensed under the
- * BSD license as well, read LICENSE for details.
- */
- #ifndef __USB_H__
- #define __USB_H__
-
- #include <unistd.h>
- #include <stdlib.h>
- #include <limits.h>
-
- #include <dirent.h>
-
- /*
- * USB spec information
- *
- * This is all stuff grabbed from various USB specs and is pretty much
- * not subject to change
- */
-
- /*
- * Device and/or Interface Class codes
- */
- #define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */
- #define USB_CLASS_AUDIO 1
- #define USB_CLASS_COMM 2
- #define USB_CLASS_HID 3
- #define USB_CLASS_PRINTER 7
- #define USB_CLASS_PTP 6
- #define USB_CLASS_MASS_STORAGE 8
- #define USB_CLASS_HUB 9
- #define USB_CLASS_DATA 10
- #define USB_CLASS_VENDOR_SPEC 0xff
-
- /*
- * Descriptor types
- */
- #define USB_DT_DEVICE 0x01
- #define USB_DT_CONFIG 0x02
- #define USB_DT_STRING 0x03
- #define USB_DT_INTERFACE 0x04
- #define USB_DT_ENDPOINT 0x05
-
- #define USB_DT_HID 0x21
- #define USB_DT_REPORT 0x22
- #define USB_DT_PHYSICAL 0x23
- #define USB_DT_HUB 0x29
-
- /*
- * Descriptor sizes per descriptor type
- */
- #define USB_DT_DEVICE_SIZE 18
- #define USB_DT_CONFIG_SIZE 9
- #define USB_DT_INTERFACE_SIZE 9
- #define USB_DT_ENDPOINT_SIZE 7
- #define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */
- #define USB_DT_HUB_NONVAR_SIZE 7
-
- /* All standard descriptors have these 2 fields in common */
- struct usb_descriptor_header {
- u_int8_t bLength;
- u_int8_t bDescriptorType;
- };
-
- /* String descriptor */
- struct usb_string_descriptor {
- u_int8_t bLength;
- u_int8_t bDescriptorType;
- u_int16_t wData[1];
- };
-
- /* HID descriptor */
- struct usb_hid_descriptor {
- u_int8_t bLength;
- u_int8_t bDescriptorType;
- u_int16_t bcdHID;
- u_int8_t bCountryCode;
- u_int8_t bNumDescriptors;
- /* u_int8_t bReportDescriptorType; */
- /* u_int16_t wDescriptorLength; */
- /* ... */
- };
-
- /* Endpoint descriptor */
- #define USB_MAXENDPOINTS 32
- struct usb_endpoint_descriptor {
- u_int8_t bLength;
- u_int8_t bDescriptorType;
- u_int8_t bEndpointAddress;
- u_int8_t bmAttributes;
- u_int16_t wMaxPacketSize;
- u_int8_t bInterval;
- u_int8_t bRefresh;
- u_int8_t bSynchAddress;
-
- unsigned char *extra; /* Extra descriptors */
- int extralen;
- };
-
- #define USB_ENDPOINT_ADDRESS_MASK 0x0f /* in bEndpointAddress */
- #define USB_ENDPOINT_DIR_MASK 0x80
-
- #define USB_ENDPOINT_TYPE_MASK 0x03 /* in bmAttributes */
- #define USB_ENDPOINT_TYPE_CONTROL 0
- #define USB_ENDPOINT_TYPE_ISOCHRONOUS 1
- #define USB_ENDPOINT_TYPE_BULK 2
- #define USB_ENDPOINT_TYPE_INTERRUPT 3
-
- /* Interface descriptor */
- #define USB_MAXINTERFACES 32
- struct usb_interface_descriptor {
- u_int8_t bLength;
- u_int8_t bDescriptorType;
- u_int8_t bInterfaceNumber;
- u_int8_t bAlternateSetting;
- u_int8_t bNumEndpoints;
- u_int8_t bInterfaceClass;
- u_int8_t bInterfaceSubClass;
- u_int8_t bInterfaceProtocol;
- u_int8_t iInterface;
-
- struct usb_endpoint_descriptor *endpoint;
-
- unsigned char *extra; /* Extra descriptors */
- int extralen;
- };
-
- #define USB_MAXALTSETTING 128 /* Hard limit */
- struct usb_interface {
- struct usb_interface_descriptor *altsetting;
-
- int num_altsetting;
- };
-
- /* Configuration descriptor information.. */
- #define USB_MAXCONFIG 8
- struct usb_config_descriptor {
- u_int8_t bLength;
- u_int8_t bDescriptorType;
- u_int16_t wTotalLength;
- u_int8_t bNumInterfaces;
- u_int8_t bConfigurationValue;
- u_int8_t iConfiguration;
- u_int8_t bmAttributes;
- u_int8_t MaxPower;
-
- struct usb_interface *interface;
-
- unsigned char *extra; /* Extra descriptors */
- int extralen;
- };
-
- /* Device descriptor */
- struct usb_device_descriptor {
- u_int8_t bLength;
- u_int8_t bDescriptorType;
- u_int16_t bcdUSB;
- u_int8_t bDeviceClass;
- u_int8_t bDeviceSubClass;
- u_int8_t bDeviceProtocol;
- u_int8_t bMaxPacketSize0;
- u_int16_t idVendor;
- u_int16_t idProduct;
- u_int16_t bcdDevice;
- u_int8_t iManufacturer;
- u_int8_t iProduct;
- u_int8_t iSerialNumber;
- u_int8_t bNumConfigurations;
- };
-
- struct usb_ctrl_setup {
- u_int8_t bRequestType;
- u_int8_t bRequest;
- u_int16_t wValue;
- u_int16_t wIndex;
- u_int16_t wLength;
- };
-
- /*
- * Standard requests
- */
- #define USB_REQ_GET_STATUS 0x00
- #define USB_REQ_CLEAR_FEATURE 0x01
- /* 0x02 is reserved */
- #define USB_REQ_SET_FEATURE 0x03
- /* 0x04 is reserved */
- #define USB_REQ_SET_ADDRESS 0x05
- #define USB_REQ_GET_DESCRIPTOR 0x06
- #define USB_REQ_SET_DESCRIPTOR 0x07
- #define USB_REQ_GET_CONFIGURATION 0x08
- #define USB_REQ_SET_CONFIGURATION 0x09
- #define USB_REQ_GET_INTERFACE 0x0A
- #define USB_REQ_SET_INTERFACE 0x0B
- #define USB_REQ_SYNCH_FRAME 0x0C
-
- #define USB_TYPE_STANDARD (0x00 << 5)
- #define USB_TYPE_CLASS (0x01 << 5)
- #define USB_TYPE_VENDOR (0x02 << 5)
- #define USB_TYPE_RESERVED (0x03 << 5)
-
- #define USB_RECIP_DEVICE 0x00
- #define USB_RECIP_INTERFACE 0x01
- #define USB_RECIP_ENDPOINT 0x02
- #define USB_RECIP_OTHER 0x03
-
- /*
- * Various libusb API related stuff
- */
-
- #define USB_ENDPOINT_IN 0x80
- #define USB_ENDPOINT_OUT 0x00
-
- /* Error codes */
- #define USB_ERROR_BEGIN 500000
-
- /*
- * This is supposed to look weird. This file is generated from autoconf
- * and I didn't want to make this too complicated.
- */
- #if 0
- #define USB_LE16_TO_CPU(x) do { x = ((x & 0xff) << 8) | ((x & 0xff00) >> 8); } while(0)
- #else
- #define USB_LE16_TO_CPU(x)
- #endif
-
- /* Data types */
- struct usb_device;
- struct usb_bus;
-
- /*
- * To maintain compatibility with applications already built with libusb,
- * we must only add entries to the end of this structure. NEVER delete or
- * move members and only change types if you really know what you're doing.
- */
- struct usb_device {
- struct usb_device *next, *prev;
-
- char filename[PATH_MAX + 1];
-
- struct usb_bus *bus;
-
- struct usb_device_descriptor descriptor;
- struct usb_config_descriptor *config;
-
- void *dev; /* Darwin support */
-
- u_int8_t devnum;
-
- unsigned char num_children;
- struct usb_device **children;
- };
-
- struct usb_bus {
- struct usb_bus *next, *prev;
-
- char dirname[PATH_MAX + 1];
-
- struct usb_device *devices;
- u_int32_t location;
-
- struct usb_device *root_dev;
- };
-
- struct usb_dev_handle;
- typedef struct usb_dev_handle usb_dev_handle;
-
- /* Variables */
- extern struct usb_bus *usb_busses;
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /* Function prototypes */
-
- /* usb.c */
- usb_dev_handle *usb_open(struct usb_device *dev);
- int usb_close(usb_dev_handle *dev);
- int usb_get_string(usb_dev_handle *dev, int index, int langid, char *buf,
- size_t buflen);
- int usb_get_string_simple(usb_dev_handle *dev, int index, char *buf,
- size_t buflen);
-
- /* descriptors.c */
- int usb_get_descriptor_by_endpoint(usb_dev_handle *udev, int ep,
- unsigned char type, unsigned char index, void *buf, int size);
- int usb_get_descriptor(usb_dev_handle *udev, unsigned char type,
- unsigned char index, void *buf, int size);
-
- /* <arch>.c */
- int usb_bulk_write(usb_dev_handle *dev, int ep, char *bytes, int size,
- int timeout);
- int usb_bulk_read(usb_dev_handle *dev, int ep, char *bytes, int size,
- int timeout);
- int usb_interrupt_write(usb_dev_handle *dev, int ep, char *bytes, int size,
- int timeout);
- int usb_interrupt_read(usb_dev_handle *dev, int ep, char *bytes, int size,
- int timeout);
- int usb_control_msg(usb_dev_handle *dev, int requesttype, int request,
- int value, int index, char *bytes, int size, int timeout);
- int usb_set_configuration(usb_dev_handle *dev, int configuration);
- int usb_claim_interface(usb_dev_handle *dev, int interface);
- int usb_release_interface(usb_dev_handle *dev, int interface);
- int usb_set_altinterface(usb_dev_handle *dev, int alternate);
- int usb_resetep(usb_dev_handle *dev, unsigned int ep);
- int usb_clear_halt(usb_dev_handle *dev, unsigned int ep);
- int usb_reset(usb_dev_handle *dev);
-
- #if 1
- #define LIBUSB_HAS_GET_DRIVER_NP 1
- int usb_get_driver_np(usb_dev_handle *dev, int interface, char *name,
- unsigned int namelen);
- #define LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP 1
- int usb_detach_kernel_driver_np(usb_dev_handle *dev, int interface);
- #endif
-
- char *usb_strerror(void);
-
- void usb_init(void);
- void usb_set_debug(int level);
- int usb_find_busses(void);
- int usb_find_devices(void);
- struct usb_device *usb_device(usb_dev_handle *dev);
- struct usb_bus *usb_get_busses(void);
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* __USB_H__ */
-
-