| /* |
| * 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 |
| |
| #define TEST_SE0_NAK 0x0300 |
| #define TEST_PACKET 0x0400 |
| #define PORTSC_PTC (0xF << 16) |
| #define PORTSC_PTC_SE0_NAK (0x03 << 16) |
| #define PORTSC_PTC_TST_PKT (0x4 << 16) |
| |
| struct setup_packet { |
| unsigned char type; |
| unsigned char request; |
| unsigned short value; |
| unsigned short index; |
| unsigned short length; |
| } __attribute__ ((packed)); |
| |
| #endif |