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