src/jtag/drivers/versaloon/usbtoxxx/usbtojtagraw.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 /***************************************************************************
   4  *   Copyright (C) 2009 - 2010 by Simon Qian <SimonQian@SimonQian.com>     *
   5  ***************************************************************************/
   6
   7 #ifdef HAVE_CONFIG_H
   8 #include "config.h"
   9 #endif
  10
  11 #include <string.h>
  12
  13 #include "../versaloon_include.h"
  14 #include "../versaloon.h"
  15 #include "../versaloon_internal.h"
  16 #include "usbtoxxx.h"
  17 #include "usbtoxxx_internal.h"
  18
  19 RESULT usbtojtagraw_init(uint8_t interface_index)
  20 {
  21         return usbtoxxx_init_command(USB_TO_JTAG_RAW, interface_index);
  22 }
  23
  24 RESULT usbtojtagraw_fini(uint8_t interface_index)
  25 {
  26         return usbtoxxx_fini_command(USB_TO_JTAG_RAW, interface_index);
  27 }
  28
  29 RESULT usbtojtagraw_config(uint8_t interface_index, uint32_t khz)
  30 {
  31         uint8_t cfg_buf[4];
  32
  33 #if PARAM_CHECK
  34         if (interface_index > 7) {
  35                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  36                 return ERROR_FAIL;
  37         }
  38 #endif
  39
  40         SET_LE_U32(&cfg_buf[0], khz);
  41
  42         return usbtoxxx_conf_command(USB_TO_JTAG_RAW, interface_index, cfg_buf, 4);
  43 }
  44
  45 RESULT usbtojtagraw_execute(uint8_t interface_index, uint8_t *tdi,
  46         uint8_t *tms, uint8_t *tdo, uint32_t bitlen)
  47 {
  48         uint16_t bytelen;
  49
  50 #if PARAM_CHECK
  51         if (interface_index > 7) {
  52                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  53                 return ERROR_FAIL;
  54         }
  55 #endif
  56
  57         if (bitlen > 8 * 0xFFFF)
  58                 return ERROR_FAIL;
  59         bytelen = (uint16_t)((bitlen + 7) >> 3);
  60
  61         SET_LE_U32(&versaloon_cmd_buf[0], bitlen);
  62         memcpy(versaloon_cmd_buf + 4, tdi, bytelen);
  63         memcpy(versaloon_cmd_buf + 4 + bytelen, tms, bytelen);
  64
  65         return usbtoxxx_inout_command(USB_TO_JTAG_RAW, interface_index,
  66                 versaloon_cmd_buf, 4 + bytelen * 2, bytelen, tdo, 0, bytelen, 0);
  67 }