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/*
* f_thor.h - USB TIZEN THOR - internal gadget definitions
*
* Copyright (C) 2013 Samsung Electronics
* Lukasz Majewski <l.majewski@samsung.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _USB_THOR_H_
#define _USB_THOR_H_
#include <linux/compiler.h>
#include <linux/sizes.h>
/* THOR Composite Gadget */
#define STRING_MANUFACTURER_IDX 0
#define STRING_PRODUCT_IDX 1
#define STRING_SERIAL_IDX 2
/* ********************************************************** */
/* THOR protocol definitions */
/* ********************************************************** */
/*
* Attribute Vendor descriptor - necessary to prevent ZLP transmission
* from Windows XP HOST PC
*/
struct usb_cdc_attribute_vendor_descriptor {
__u8 bLength;
__u8 bDescriptorType;
__u8 bDescriptorSubType;
__u16 DAUType;
__u16 DAULength;
__u8 DAUValue;
} __packed;
#define VER_PROTOCOL_MAJOR 4
#define VER_PROTOCOL_MINOR 0
enum rqt {
RQT_INFO = 200,
RQT_CMD,
RQT_DL,
RQT_UL,
};
enum rqt_data {
/* RQT_INFO */
RQT_INFO_VER_PROTOCOL = 1,
RQT_INIT_VER_HW,
RQT_INIT_VER_BOOT,
RQT_INIT_VER_KERNEL,
RQT_INIT_VER_PLATFORM,
RQT_INIT_VER_CSC,
/* RQT_CMD */
RQT_CMD_REBOOT = 1,
RQT_CMD_POWEROFF,
RQT_CMD_EFSCLEAR,
/* RQT_DL */
RQT_DL_INIT = 1,
RQT_DL_FILE_INFO,
RQT_DL_FILE_START,
RQT_DL_FILE_END,
RQT_DL_EXIT,
/* RQT_UL */
RQT_UL_INIT = 1,
RQT_UL_START,
RQT_UL_END,
RQT_UL_EXIT,
};
struct rqt_box { /* total: 256B */
s32 rqt; /* request id */
s32 rqt_data; /* request data id */
s32 int_data[14]; /* int data */
char str_data[5][32]; /* string data */
char md5[32]; /* md5 checksum */
} __packed;
struct rsp_box { /* total: 128B */
s32 rsp; /* response id (= request id) */
s32 rsp_data; /* response data id */
s32 ack; /* ack */
s32 int_data[5]; /* int data */
char str_data[3][32]; /* string data */
} __packed;
struct data_rsp_box { /* total: 8B */
s32 ack; /* response id (= request id) */
s32 count; /* response data id */
} __packed;
enum {
FILE_TYPE_NORMAL,
FILE_TYPE_PIT,
};
struct thor_dev {
struct usb_gadget *gadget;
struct usb_request *req; /* EP0 -> control responses */
/* IN/OUT EP's and correspoinding requests */
struct usb_ep *in_ep, *out_ep, *int_ep;
struct usb_request *in_req, *out_req;
/* Control flow variables */
unsigned char configuration_done;
unsigned char rxdata;
unsigned char txdata;
};
struct f_thor {
struct usb_function usb_function;
struct thor_dev *dev;
};
#define F_NAME_BUF_SIZE 32
#define THOR_PACKET_SIZE SZ_1M /* 1 MiB */
#define THOR_STORE_UNIT_SIZE SZ_32M /* 32 MiB */
#endif /* _USB_THOR_H_ */
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