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#ifndef _DFU_H
#define _DFU_H
/* USB Device Firmware Update Implementation for OpenPCD
* (C) 2006 by Harald Welte <hwelte@hmw-consulting.de>
*
* This ought to be compliant to the USB DFU Spec 1.0 as available from
* http://www.usb.org/developers/devclass_docs/usbdfu10.pdf
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sys/types.h>
#include <usb_ch9.h>
#include <usb_dfu.h>
/* USB DFU functional descriptor */
#define DFU_FUNC_DESC { \
.bLength = USB_DT_DFU_SIZE, \
.bDescriptorType = USB_DT_DFU, \
.bmAttributes = USB_DFU_CAN_UPLOAD | USB_DFU_CAN_DOWNLOAD, \
.wDetachTimeOut = 0xff00, \
.wTransferSize = AT91C_IFLASH_PAGE_SIZE, \
.bcdDFUVersion = 0x0100, \
}
/* USB Interface descriptor in Runtime mode */
#ifdef CONFIG_USB_STRING
#define DFU_RT_IF_DESC { \
{ \
.bLength = USB_DT_INTERFACE_SIZE, \
.bDescriptorType = USB_DT_INTERFACE, \
.bInterfaceNumber = 0x01, \
.bAlternateSetting = 0x00, \
.bNumEndpoints = 0x00, \
.bInterfaceClass = 0xfe, \
.bInterfaceSubClass = 0x01, \
.bInterfaceProtocol = 0x01, \
.iInterface = 1, \
}, { \
.bLength = USB_DT_INTERFACE_SIZE, \
.bDescriptorType = USB_DT_INTERFACE, \
.bInterfaceNumber = 0x02, \
.bAlternateSetting = 0x00, \
.bNumEndpoints = 0x00, \
.bInterfaceClass = 0xfe, \
.bInterfaceSubClass = 0x01, \
.bInterfaceProtocol = 0x01, \
.iInterface = 2, \
}, \
}
#else
#define DFU_RT_IF_DESC { \
{ \
.bLength = USB_DT_INTERFACE_SIZE, \
.bDescriptorType = USB_DT_INTERFACE, \
.bInterfaceNumber = 0x01, \
.bAlternateSetting = 0x00, \
.bNumEndpoints = 0x00, \
.bInterfaceClass = 0xfe, \
.bInterfaceSubClass = 0x01, \
.bInterfaceProtocol = 0x01, \
.iInterface = 0, \
}, { \
.bLength = USB_DT_INTERFACE_SIZE, \
.bDescriptorType = USB_DT_INTERFACE, \
.bInterfaceNumber = 0x02, \
.bAlternateSetting = 0x00, \
.bNumEndpoints = 0x00, \
.bInterfaceClass = 0xfe, \
.bInterfaceSubClass = 0x01, \
.bInterfaceProtocol = 0x01, \
.iInterface = 0, \
}, \
}
#endif
#define __dfufunctab __attribute__ ((section (".dfu.functab")))
#define __dfudata __attribute__ ((section (".data.shared")))
#define __dfufunc
#define __dfustruct const
#define DFU_API_LOCATION ((const struct dfuapi *) 0x00103fd0)
struct _dfu_desc {
struct usb_config_descriptor ucfg;
struct usb_interface_descriptor uif[2];
struct usb_dfu_func_descriptor func_dfu;
};
struct dfuapi {
void (*udp_init)(void);
void (*ep0_send_data)(const char *data, u_int32_t len);
void (*ep0_send_zlp)(void);
void (*ep0_send_stall)(void);
int (*dfu_ep0_handler)(u_int8_t req_type, u_int8_t req,
u_int16_t val, u_int16_t len);
void (*dfu_switch)(void);
u_int32_t *dfu_state;
const struct usb_device_descriptor *dfu_dev_descriptor;
const struct _dfu_desc *dfu_cfg_descriptor;
};
/* From openpcd/firmware/src/os/pcd_enumerate.h */
/* USB standard request code */
#define STD_GET_STATUS_ZERO 0x0080
#define STD_GET_STATUS_INTERFACE 0x0081
#define STD_GET_STATUS_ENDPOINT 0x0082
#define STD_CLEAR_FEATURE_ZERO 0x0100
#define STD_CLEAR_FEATURE_INTERFACE 0x0101
#define STD_CLEAR_FEATURE_ENDPOINT 0x0102
#define STD_SET_FEATURE_ZERO 0x0300
#define STD_SET_FEATURE_INTERFACE 0x0301
#define STD_SET_FEATURE_ENDPOINT 0x0302
#define STD_SET_ADDRESS 0x0500
#define STD_GET_DESCRIPTOR 0x0680
#define STD_SET_DESCRIPTOR 0x0700
#define STD_GET_CONFIGURATION 0x0880
#define STD_SET_CONFIGURATION 0x0900
#define STD_GET_INTERFACE 0x0A81
#define STD_SET_INTERFACE 0x0B01
#define STD_SYNCH_FRAME 0x0C82
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif /* _DFU_H */
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