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#ifndef _DFU_H
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#define _DFU_H
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/* USB Device Firmware Update Implementation for OpenPCD
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* (C) 2006 by Harald Welte <hwelte@hmw-consulting.de>
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*
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* This ought to be compliant to the USB DFU Spec 1.0 as available from
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* http://www.usb.org/developers/devclass_docs/usbdfu10.pdf
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <sys/types.h>
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#include <usb_ch9.h>
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#include <usb_dfu.h>
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#include "../config.h"
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/* USB DFU functional descriptor */
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#define DFU_FUNC_DESC { \
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.bLength = USB_DT_DFU_SIZE, \
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.bDescriptorType = USB_DT_DFU, \
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.bmAttributes = USB_DFU_CAN_UPLOAD | USB_DFU_CAN_DOWNLOAD, \
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.wDetachTimeOut = 0xff00, \
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.wTransferSize = AT91C_IFLASH_PAGE_SIZE, \
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.bcdDFUVersion = 0x0100, \
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}
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/* USB Interface descriptor in Runtime mode */
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#ifdef CONFIG_USB_STRING
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#define DFU_RT_IF_DESC { \
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{ \
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.bLength = USB_DT_INTERFACE_SIZE, \
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.bDescriptorType = USB_DT_INTERFACE, \
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.bInterfaceNumber = 0x01, \
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.bAlternateSetting = 0x00, \
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.bNumEndpoints = 0x00, \
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.bInterfaceClass = 0xfe, \
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.bInterfaceSubClass = 0x01, \
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.bInterfaceProtocol = 0x01, \
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.iInterface = 1, \
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}, { \
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.bLength = USB_DT_INTERFACE_SIZE, \
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.bDescriptorType = USB_DT_INTERFACE, \
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.bInterfaceNumber = 0x02, \
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.bAlternateSetting = 0x00, \
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.bNumEndpoints = 0x00, \
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.bInterfaceClass = 0xfe, \
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.bInterfaceSubClass = 0x01, \
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.bInterfaceProtocol = 0x01, \
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.iInterface = 2, \
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}, { \
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.bLength = USB_DT_INTERFACE_SIZE, \
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.bDescriptorType = USB_DT_INTERFACE, \
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.bInterfaceNumber = 0x03, \
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.bAlternateSetting = 0x00, \
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.bNumEndpoints = 0x00, \
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.bInterfaceClass = 0xfe, \
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.bInterfaceSubClass = 0x01, \
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.bInterfaceProtocol = 0x01, \
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.iInterface = 3, \
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}, \
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}
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#else
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#define DFU_RT_IF_DESC { \
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{ \
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.bLength = USB_DT_INTERFACE_SIZE, \
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.bDescriptorType = USB_DT_INTERFACE, \
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.bInterfaceNumber = 0x01, \
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.bAlternateSetting = 0x00, \
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.bNumEndpoints = 0x00, \
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.bInterfaceClass = 0xfe, \
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.bInterfaceSubClass = 0x01, \
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.bInterfaceProtocol = 0x01, \
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.iInterface = 0, \
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}, { \
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.bLength = USB_DT_INTERFACE_SIZE, \
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.bDescriptorType = USB_DT_INTERFACE, \
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.bInterfaceNumber = 0x01, \
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.bAlternateSetting = 0x01, \
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.bNumEndpoints = 0x00, \
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.bInterfaceClass = 0xfe, \
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.bInterfaceSubClass = 0x01, \
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.bInterfaceProtocol = 0x01, \
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.iInterface = 0, \
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}, { \
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.bLength = USB_DT_INTERFACE_SIZE, \
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.bDescriptorType = USB_DT_INTERFACE, \
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.bInterfaceNumber = 0x01, \
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.bAlternateSetting = 0x02, \
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.bNumEndpoints = 0x00, \
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.bInterfaceClass = 0xfe, \
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.bInterfaceSubClass = 0x01, \
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.bInterfaceProtocol = 0x01, \
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.iInterface = 0, \
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}, \
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}
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#endif
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#define __dfufunctab __attribute__ ((section (".dfu.functab")))
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#define __dfudata __attribute__ ((section (".data.shared")))
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#define __dfufunc
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#define __dfustruct const
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#define DFU_API_LOCATION ((const struct dfuapi *) 0x00103fd0)
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struct _dfu_desc {
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struct usb_config_descriptor ucfg;
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struct usb_interface_descriptor uif[3];
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struct usb_dfu_func_descriptor func_dfu;
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};
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struct dfuapi {
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void (*udp_init)(void);
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void (*ep0_send_data)(const char *data, uint32_t len, uint32_t wlen);
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void (*ep0_send_zlp)(void);
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void (*ep0_send_stall)(void);
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int (*dfu_ep0_handler)(uint8_t req_type, uint8_t req,
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uint16_t val, uint16_t len);
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void (*dfu_switch)(void);
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uint32_t *dfu_state;
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const struct usb_device_descriptor *dfu_dev_descriptor;
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const struct _dfu_desc *dfu_cfg_descriptor;
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};
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#endif /* _DFU_H */
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