LXR uboot/drivers/usb/gadget/f

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * f_thor.h - USB TIZEN THOR - internal gadget definitions
   4 *
   5 * Copyright (C) 2013 Samsung Electronics
   6 * Lukasz Majewski  <l.majewski@samsung.com>
   7 */
   8
   9#ifndef _USB_THOR_H_
  10#define _USB_THOR_H_
  11
  12#include <linux/compiler.h>
  13#include <linux/sizes.h>
  14
  15/* THOR Composite Gadget */
  16#define STRING_MANUFACTURER_IDX 0
  17#define STRING_PRODUCT_IDX              1
  18#define STRING_SERIAL_IDX               2
  19
  20/* ********************************************************** */
  21/*                   THOR protocol definitions                */
  22/* ********************************************************** */
  23
  24/*
  25 * Attribute Vendor descriptor - necessary to prevent ZLP transmission
  26 * from Windows XP HOST PC
  27 */
  28struct usb_cdc_attribute_vendor_descriptor {
  29        __u8 bLength;
  30        __u8 bDescriptorType;
  31        __u8 bDescriptorSubType;
  32        __u16 DAUType;
  33        __u16 DAULength;
  34        __u8 DAUValue;
  35} __packed;
  36
  37#define VER_PROTOCOL_MAJOR      5
  38#define VER_PROTOCOL_MINOR      0
  39
  40enum rqt {
  41        RQT_INFO = 200,
  42        RQT_CMD,
  43        RQT_DL,
  44        RQT_UL,
  45};
  46
  47enum rqt_data {
  48        /* RQT_INFO */
  49        RQT_INFO_VER_PROTOCOL = 1,
  50        RQT_INIT_VER_HW,
  51        RQT_INIT_VER_BOOT,
  52        RQT_INIT_VER_KERNEL,
  53        RQT_INIT_VER_PLATFORM,
  54        RQT_INIT_VER_CSC,
  55
  56        /* RQT_CMD */
  57        RQT_CMD_REBOOT = 1,
  58        RQT_CMD_POWEROFF,
  59        RQT_CMD_EFSCLEAR,
  60
  61        /* RQT_DL */
  62        RQT_DL_INIT = 1,
  63        RQT_DL_FILE_INFO,
  64        RQT_DL_FILE_START,
  65        RQT_DL_FILE_END,
  66        RQT_DL_EXIT,
  67
  68        /* RQT_UL */
  69        RQT_UL_INIT = 1,
  70        RQT_UL_START,
  71        RQT_UL_END,
  72        RQT_UL_EXIT,
  73};
  74
  75struct rqt_box {                /* total: 256B */
  76        s32 rqt;                /* request id */
  77        s32 rqt_data;           /* request data id */
  78        s32 int_data[14];       /* int data */
  79        char str_data[5][32];   /* string data */
  80        char md5[32];           /* md5 checksum */
  81} __packed;
  82
  83struct rsp_box {                /* total: 128B */
  84        s32 rsp;                /* response id (= request id) */
  85        s32 rsp_data;           /* response data id */
  86        s32 ack;                /* ack */
  87        s32 int_data[5];        /* int data */
  88        char str_data[3][32];   /* string data */
  89} __packed;
  90
  91struct data_rsp_box {           /* total: 8B */
  92        s32 ack;                /* response id (= request id) */
  93        s32 count;              /* response data id */
  94} __packed;
  95
  96enum {
  97        FILE_TYPE_NORMAL,
  98        FILE_TYPE_PIT,
  99};
 100
 101struct thor_dev {
 102        struct usb_gadget *gadget;
 103        struct usb_request *req; /* EP0 -> control responses */
 104
 105        /* IN/OUT EP's and correspoinding requests */
 106        struct usb_ep *in_ep, *out_ep, *int_ep;
 107        struct usb_request *in_req, *out_req;
 108
 109        /* Control flow variables */
 110        unsigned char configuration_done;
 111        unsigned char rxdata;
 112        unsigned char txdata;
 113};
 114
 115struct f_thor {
 116        struct usb_function usb_function;
 117        struct thor_dev *dev;
 118};
 119
 120#define F_NAME_BUF_SIZE 32
 121#define THOR_PACKET_SIZE SZ_1M      /* 1 MiB */
 122#define THOR_STORE_UNIT_SIZE SZ_32M /* 32 MiB */
 123#ifdef CONFIG_THOR_RESET_OFF
 124#define RESET_DONE 0xFFFFFFFF
 125#endif
 126#endif /* _USB_THOR_H_ */
 127