121 lines
3.6 KiB
C
121 lines
3.6 KiB
C
/*
|
|
* Copyright (c) 2009, Google Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * 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 COPYRIGHT HOLDERS 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
|
|
* COPYRIGHT OWNER 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 __DEV_UDC_H
|
|
#define __DEV_UDC_H
|
|
|
|
/* USB Device Controller Transfer Request */
|
|
struct udc_request {
|
|
void *buf;
|
|
unsigned length;
|
|
void (*complete)(struct udc_request *req, unsigned actual, int status);
|
|
void *context;
|
|
};
|
|
|
|
/* endpoints are opaque handles specific to the particular device controller */
|
|
struct udc_endpoint;
|
|
|
|
struct udc_request *udc_request_alloc(void);
|
|
void udc_request_free(struct udc_request *req);
|
|
int udc_request_queue(struct udc_endpoint *ept, struct udc_request *req);
|
|
int udc_request_cancel(struct udc_endpoint *ept, struct udc_request *req);
|
|
|
|
#define UDC_TYPE_BULK_IN 1
|
|
#define UDC_TYPE_BULK_OUT 2
|
|
|
|
struct udc_endpoint *udc_endpoint_alloc(unsigned type, unsigned maxpkt);
|
|
void udc_endpoint_free(struct udc_endpoint *ept);
|
|
|
|
#define UDC_EVENT_ONLINE 1
|
|
#define UDC_EVENT_OFFLINE 2
|
|
|
|
struct udc_gadget {
|
|
void (*notify)(struct udc_gadget *gadget, unsigned event);
|
|
void *context;
|
|
|
|
unsigned char ifc_class;
|
|
unsigned char ifc_subclass;
|
|
unsigned char ifc_protocol;
|
|
unsigned char ifc_endpoints;
|
|
const char *ifc_string;
|
|
unsigned flags;
|
|
|
|
struct udc_endpoint **ept;
|
|
};
|
|
|
|
struct udc_device {
|
|
unsigned short vendor_id;
|
|
unsigned short product_id;
|
|
unsigned short version_id;
|
|
|
|
const char *manufacturer;
|
|
const char *product;
|
|
const char *serialno;
|
|
};
|
|
|
|
int udc_init(struct udc_device *devinfo);
|
|
int udc_register_gadget(struct udc_gadget *gadget);
|
|
int udc_start(void);
|
|
int udc_stop(void);
|
|
|
|
/* these should probably go elsewhere */
|
|
#define GET_STATUS 0
|
|
#define CLEAR_FEATURE 1
|
|
#define SET_FEATURE 3
|
|
#define SET_ADDRESS 5
|
|
#define GET_DESCRIPTOR 6
|
|
#define SET_DESCRIPTOR 7
|
|
#define GET_CONFIGURATION 8
|
|
#define SET_CONFIGURATION 9
|
|
#define GET_INTERFACE 10
|
|
#define SET_INTERFACE 11
|
|
#define SYNCH_FRAME 12
|
|
|
|
#define TYPE_DEVICE 1
|
|
#define TYPE_CONFIGURATION 2
|
|
#define TYPE_STRING 3
|
|
#define TYPE_INTERFACE 4
|
|
#define TYPE_ENDPOINT 5
|
|
|
|
#define DEVICE_READ 0x80
|
|
#define DEVICE_WRITE 0x00
|
|
#define INTERFACE_READ 0x81
|
|
#define INTERFACE_WRITE 0x01
|
|
#define ENDPOINT_READ 0x82
|
|
#define ENDPOINT_WRITE 0x02
|
|
|
|
struct setup_packet {
|
|
unsigned char type;
|
|
unsigned char request;
|
|
unsigned short value;
|
|
unsigned short index;
|
|
unsigned short length;
|
|
} __attribute__ ((packed));
|
|
|
|
#endif
|