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/*
* Copyright (c) 2015 Brian Swetland
* Copyright (c) 2008 Google, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __PRIVATE_UDC_H__
#define __PRIVATE_UDC_H__
#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 SET_SEL 48
#define TYPE_DEVICE 1
#define TYPE_CONFIGURATION 2
#define TYPE_STRING 3
#define TYPE_INTERFACE 4
#define TYPE_ENDPOINT 5
#define TYPE_BOS 15
#define TYPE_DEVICE_CAP 16
#define TYPE_SS_EP_COMP 48
#define DEVICE_READ 0x80
#define DEVICE_WRITE 0x00
#define INTERFACE_READ 0x81
#define INTERFACE_WRITE 0x01
#define ENDPOINT_READ 0x82
#define ENDPOINT_WRITE 0x02
typedef struct udc_descriptor udc_descriptor_t;
union setup_packet {
struct {
uint8_t type;
uint8_t request;
uint16_t value;
uint16_t index;
uint16_t length;
};
struct {
uint32_t w0;
uint32_t w1;
};
} __attribute__ ((packed));
struct udc_descriptor {
udc_descriptor_t *next;
uint16_t tag; /* ((TYPE << 8) | NUM) */
uint16_t len; /* total length */
uint8_t data[4];
};
// driver calls this to build descriptors from device and gadgets
void udc_create_descriptors(udc_device_t *device, udc_gadget_t *gadget);
// driver uses this to obtain descriptors
udc_descriptor_t *udc_descriptor_find(unsigned tag);
// driver provides this
void udc_ept_desc_fill(udc_endpoint_t *ept, unsigned char *data);
#endif
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