cmd/thordown.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * cmd_thordown.c -- USB TIZEN "THOR" Downloader gadget
   4  *
   5  * Copyright (C) 2013 Lukasz Majewski <l.majewski@samsung.com>
   6  * All rights reserved.
   7  */
   8
   9 #include <common.h>
  10 #include <command.h>
  11 #include <thor.h>
  12 #include <dfu.h>
  13 #include <g_dnl.h>
  14 #include <usb.h>
  15 #include <libtizen.h>
  16
  17 int do_thor_down(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  18 {
  19         char *usb_controller;
  20         char *interface;
  21         char *devstring;
  22         int ret;
  23
  24         puts("TIZEN \"THOR\" Downloader\n");
  25
  26         switch (argc) {
  27         case 1:
  28                 usb_controller = strdup(env_get("dfu_usb_con"));
  29                 interface = strdup(env_get("dfu_interface"));
  30                 devstring = strdup(env_get("dfu_device"));
  31
  32                 if (!usb_controller || !interface || !devstring) {
  33                         puts("DFU: default device environment is not set.\n");
  34                         ret = CMD_RET_USAGE;
  35                         goto bad_args;
  36                 }
  37                 break;
  38         case 4:
  39                 usb_controller = argv[1];
  40                 interface = argv[2];
  41                 devstring = argv[3];
  42                 break;
  43         default:
  44                 return CMD_RET_USAGE;
  45         }
  46
  47         ret = dfu_init_env_entities(interface, devstring);
  48         if (ret)
  49                 goto done;
  50
  51         int controller_index = simple_strtoul(usb_controller, NULL, 0);
  52         ret = usb_gadget_initialize(controller_index);
  53         if (ret) {
  54                 pr_err("USB init failed: %d\n", ret);
  55                 ret = CMD_RET_FAILURE;
  56                 goto exit;
  57         }
  58
  59         ret = g_dnl_register("usb_dnl_thor");
  60         if (ret) {
  61                 pr_err("g_dnl_register failed %d\n", ret);
  62                 ret = CMD_RET_FAILURE;
  63                 goto exit;
  64         }
  65
  66         ret = thor_init();
  67         if (ret) {
  68                 if (ret == -EINTR) {
  69                         printk("THOR DOWNLOAD stopped\n");
  70                         ret = CMD_RET_SUCCESS;
  71                 } else {
  72                         printk("THOR DOWNLOAD failed: %d\n", ret);
  73                         ret = CMD_RET_FAILURE;
  74                 }
  75                 goto exit;
  76         }
  77
  78         do {
  79                 ret = thor_handle();
  80                 if (ret == THOR_DFU_REINIT_NEEDED) {
  81                         dfu_free_entities();
  82                         ret = dfu_init_env_entities(interface, devstring);
  83                 }
  84                 if (ret) {
  85                         pr_err("THOR failed: %d\n", ret);
  86                         ret = CMD_RET_FAILURE;
  87                         goto exit;
  88                 }
  89         } while (ret == 0);
  90 exit:
  91         g_dnl_unregister();
  92         usb_gadget_release(controller_index);
  93 done:
  94         dfu_free_entities();
  95
  96 #ifdef CONFIG_TIZEN
  97 #ifdef CONFIG_LCD       /* TODO : Need to enable LCD */
  98         if (ret != CMD_RET_SUCCESS)
  99                 draw_thor_fail_screen();
 100         else
 101                 lcd_clear();
 102 #endif
 103         if (ret != CMD_RET_SUCCESS)
 104                 thor_status_notify(THOR_NOTIFY_DOWNLOAD_FAILED, NULL);
 105 #endif
 106 bad_args:
 107         if (argc == 1) {
 108                 free(usb_controller);
 109                 free(interface);
 110                 free(devstring);
 111         }
 112         return ret;
 113 }
 114
 115 __weak void thor_status_notify(enum thor_notify_type type,
 116                         struct thor_notify_data *data)
 117 {
 118 }
 119
 120 U_BOOT_CMD(thordown, CONFIG_SYS_MAXARGS, 1, do_thor_down,
 121            "TIZEN \"THOR\" downloader",
 122            "<USB_controller> <interface> <dev>\n"
 123            "  - device software upgrade via LTHOR TIZEN download\n"
 124            "    program via <USB_controller> on device <dev>,\n"
 125            "    attached to interface <interface>\n"
 126 );