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

   1 /***************************************************************************
   2  *   Copyright (C) 2009 - 2010 by Simon Qian <SimonQian@SimonQian.com>     *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  16  ***************************************************************************/
  17
  18 #ifdef HAVE_CONFIG_H
  19 #include "config.h"
  20 #endif
  21
  22 #include <string.h>
  23
  24 #include "../versaloon_include.h"
  25 #include "../versaloon.h"
  26 #include "../versaloon_internal.h"
  27 #include "usbtoxxx.h"
  28 #include "usbtoxxx_internal.h"
  29
  30 RESULT usbtogpio_init(uint8_t interface_index)
  31 {
  32         return usbtoxxx_init_command(USB_TO_GPIO, interface_index);
  33 }
  34
  35 RESULT usbtogpio_fini(uint8_t interface_index)
  36 {
  37         return usbtoxxx_fini_command(USB_TO_GPIO, interface_index);
  38 }
  39
  40 RESULT usbtogpio_config(uint8_t interface_index, uint32_t mask,
  41         uint32_t dir_mask, uint32_t pull_en_mask,
  42         uint32_t input_pull_mask)
  43 {
  44         uint8_t conf[8];
  45
  46 #if PARAM_CHECK
  47         if (interface_index > 7) {
  48                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  49                 return ERROR_FAIL;
  50         }
  51 #endif
  52
  53         dir_mask &= mask;
  54         SET_LE_U16(&conf[0], mask);
  55         SET_LE_U16(&conf[2], dir_mask);
  56         SET_LE_U16(&conf[4], pull_en_mask);
  57         SET_LE_U16(&conf[6], input_pull_mask);
  58
  59         return usbtoxxx_conf_command(USB_TO_GPIO, interface_index, conf,
  60                 sizeof(conf));
  61 }
  62
  63 RESULT usbtogpio_in(uint8_t interface_index, uint32_t mask, uint32_t *value)
  64 {
  65         uint8_t buf[2];
  66
  67 #if PARAM_CHECK
  68         if (interface_index > 7) {
  69                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  70                 return ERROR_FAIL;
  71         }
  72 #endif
  73
  74         SET_LE_U16(&buf[0], mask);
  75
  76         return usbtoxxx_in_command(USB_TO_GPIO, interface_index, buf, 2, 2,
  77                 (uint8_t *)value, 0, 2, 0);
  78 }
  79
  80 RESULT usbtogpio_out(uint8_t interface_index, uint32_t mask, uint32_t value)
  81 {
  82         uint8_t buf[4];
  83
  84 #if PARAM_CHECK
  85         if (interface_index > 7) {
  86                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  87                 return ERROR_FAIL;
  88         }
  89 #endif
  90
  91         SET_LE_U16(&buf[0], mask);
  92         SET_LE_U16(&buf[2], value);
  93
  94         return usbtoxxx_out_command(USB_TO_GPIO, interface_index, buf, 4, 0);
  95 }