// SPDX-License-Identifier: GPL-2.0+

  /*
   * cmd_thordown.c -- USB TIZEN "THOR" Downloader gadget
   *
   * Copyright (C) 2013 Lukasz Majewski <l.majewski@samsung.com>
   * All rights reserved.

   */
  
  #include <common.h>
  #include <thor.h>
  #include <dfu.h>
  #include <g_dnl.h>
  #include <usb.h>
  
  int do_thor_down(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  {
  	if (argc < 4)
  		return CMD_RET_USAGE;
  
  	char *usb_controller = argv[1];
  	char *interface = argv[2];
  	char *devstring = argv[3];

  	int ret;
  
  	puts("TIZEN \"THOR\" Downloader
  ");

  	ret = dfu_init_env_entities(interface, devstring);

  	if (ret)

  		goto done;

  
  	int controller_index = simple_strtoul(usb_controller, NULL, 0);

  	ret = usb_gadget_initialize(controller_index);

  	if (ret) {

  		pr_err("USB init failed: %d
  ", ret);

  		ret = CMD_RET_FAILURE;
  		goto exit;
  	}

  	ret = g_dnl_register("usb_dnl_thor");
  	if (ret) {
  		pr_err("g_dnl_register failed %d
  ", ret);

  		ret = CMD_RET_FAILURE;
  		goto exit;

  	}

  
  	ret = thor_init();
  	if (ret) {

  		pr_err("THOR DOWNLOAD failed: %d
  ", ret);

  		ret = CMD_RET_FAILURE;
  		goto exit;
  	}
  
  	ret = thor_handle();
  	if (ret) {

  		pr_err("THOR failed: %d
  ", ret);

  		ret = CMD_RET_FAILURE;
  		goto exit;
  	}
  
  exit:
  	g_dnl_unregister();

  	usb_gadget_release(controller_index);

  done:

  	dfu_free_entities();
  
  	return ret;
  }
  
  U_BOOT_CMD(thordown, CONFIG_SYS_MAXARGS, 1, do_thor_down,
  	   "TIZEN \"THOR\" downloader",
  	   "<USB_controller> <interface> <dev>
  "

  	   "  - device software upgrade via LTHOR TIZEN download
  "

  	   "    program via <USB_controller> on device <dev>,
  "
  	   "	attached to interface <interface>
  "
  );