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, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  18  ***************************************************************************/
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include <string.h>
  25
  26 #include "../versaloon_include.h"
  27 #include "../versaloon.h"
  28 #include "../versaloon_internal.h"
  29 #include "usbtoxxx.h"
  30 #include "usbtoxxx_internal.h"
  31
  32 RESULT usbtogpio_init(uint8_t interface_index)
  33 {
  34         return usbtoxxx_init_command(USB_TO_GPIO, interface_index);
  35 }
  36
  37 RESULT usbtogpio_fini(uint8_t interface_index)
  38 {
  39         return usbtoxxx_fini_command(USB_TO_GPIO, interface_index);
  40 }
  41
  42 RESULT usbtogpio_config(uint8_t interface_index, uint32_t mask,
  43         uint32_t dir_mask, uint32_t pull_en_mask,
  44         uint32_t input_pull_mask)
  45 {
  46         uint8_t conf[8];
  47
  48 #if PARAM_CHECK
  49         if (interface_index > 7) {
  50                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  51                 return ERROR_FAIL;
  52         }
  53 #endif
  54
  55         dir_mask &= mask;
  56         SET_LE_U16(&conf[0], mask);
  57         SET_LE_U16(&conf[2], dir_mask);
  58         SET_LE_U16(&conf[4], pull_en_mask);
  59         SET_LE_U16(&conf[6], input_pull_mask);
  60
  61         return usbtoxxx_conf_command(USB_TO_GPIO, interface_index, conf,
  62                 sizeof(conf));
  63 }
  64
  65 RESULT usbtogpio_in(uint8_t interface_index, uint32_t mask, uint32_t *value)
  66 {
  67         uint8_t buf[2];
  68
  69 #if PARAM_CHECK
  70         if (interface_index > 7) {
  71                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  72                 return ERROR_FAIL;
  73         }
  74 #endif
  75
  76         SET_LE_U16(&buf[0], mask);
  77
  78         return usbtoxxx_in_command(USB_TO_GPIO, interface_index, buf, 2, 2,
  79                 (uint8_t *)value, 0, 2, 0);
  80 }
  81
  82 RESULT usbtogpio_out(uint8_t interface_index, uint32_t mask, uint32_t value)
  83 {
  84         uint8_t buf[4];
  85
  86 #if PARAM_CHECK
  87         if (interface_index > 7) {
  88                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  89                 return ERROR_FAIL;
  90         }
  91 #endif
  92
  93         SET_LE_U16(&buf[0], mask);
  94         SET_LE_U16(&buf[2], value);
  95
  96         return usbtoxxx_out_command(USB_TO_GPIO, interface_index, buf, 4, 0);
  97 }