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/*
* f_dfu.h -- Device Firmware Update gadget
*
* Copyright (C) 2011-2012 Samsung Electronics
* author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
*
* 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
*/
#ifndef __F_DFU_H_
#define __F_DFU_H_
#include <linux/compiler.h>
#include <linux/usb/composite.h>
#define DFU_CONFIG_VAL 1
#define DFU_DT_FUNC 0x21
#define DFU_BIT_WILL_DETACH (0x1 << 3)
#define DFU_BIT_MANIFESTATION_TOLERANT (0x1 << 2)
#define DFU_BIT_CAN_UPLOAD (0x1 << 1)
#define DFU_BIT_CAN_DNLOAD 0x1
/* big enough to hold our biggest descriptor */
#define DFU_USB_BUFSIZ 4096
#define USB_REQ_DFU_DETACH 0x00
#define USB_REQ_DFU_DNLOAD 0x01
#define USB_REQ_DFU_UPLOAD 0x02
#define USB_REQ_DFU_GETSTATUS 0x03
#define USB_REQ_DFU_CLRSTATUS 0x04
#define USB_REQ_DFU_GETSTATE 0x05
#define USB_REQ_DFU_ABORT 0x06
#define DFU_STATUS_OK 0x00
#define DFU_STATUS_errTARGET 0x01
#define DFU_STATUS_errFILE 0x02
#define DFU_STATUS_errWRITE 0x03
#define DFU_STATUS_errERASE 0x04
#define DFU_STATUS_errCHECK_ERASED 0x05
#define DFU_STATUS_errPROG 0x06
#define DFU_STATUS_errVERIFY 0x07
#define DFU_STATUS_errADDRESS 0x08
#define DFU_STATUS_errNOTDONE 0x09
#define DFU_STATUS_errFIRMWARE 0x0a
#define DFU_STATUS_errVENDOR 0x0b
#define DFU_STATUS_errUSBR 0x0c
#define DFU_STATUS_errPOR 0x0d
#define DFU_STATUS_errUNKNOWN 0x0e
#define DFU_STATUS_errSTALLEDPKT 0x0f
#define RET_STALL -1
#define RET_ZLP 0
#define RET_STAT_LEN 6
enum dfu_state {
DFU_STATE_appIDLE = 0,
DFU_STATE_appDETACH = 1,
DFU_STATE_dfuIDLE = 2,
DFU_STATE_dfuDNLOAD_SYNC = 3,
DFU_STATE_dfuDNBUSY = 4,
DFU_STATE_dfuDNLOAD_IDLE = 5,
DFU_STATE_dfuMANIFEST_SYNC = 6,
DFU_STATE_dfuMANIFEST = 7,
DFU_STATE_dfuMANIFEST_WAIT_RST = 8,
DFU_STATE_dfuUPLOAD_IDLE = 9,
DFU_STATE_dfuERROR = 10,
};
struct dfu_status {
__u8 bStatus;
__u8 bwPollTimeout[3];
__u8 bState;
__u8 iString;
} __packed;
struct dfu_function_descriptor {
__u8 bLength;
__u8 bDescriptorType;
__u8 bmAttributes;
__le16 wDetachTimeOut;
__le16 wTransferSize;
__le16 bcdDFUVersion;
} __packed;
/* configuration-specific linkup */
int dfu_add(struct usb_configuration *c);
#endif /* __F_DFU_H_ */
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