src/jtag/drivers/versaloon/usbtoxxx/usbtogpio.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 usbtogpio_init(uint8_t interface_index)
  20 {
  21         return usbtoxxx_init_command(USB_TO_GPIO, interface_index);
  22 }
  23
  24 RESULT usbtogpio_fini(uint8_t interface_index)
  25 {
  26         return usbtoxxx_fini_command(USB_TO_GPIO, interface_index);
  27 }
  28
  29 RESULT usbtogpio_config(uint8_t interface_index, uint32_t mask,
  30         uint32_t dir_mask, uint32_t pull_en_mask,
  31         uint32_t input_pull_mask)
  32 {
  33         uint8_t conf[8];
  34
  35 #if PARAM_CHECK
  36         if (interface_index > 7) {
  37                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  38                 return ERROR_FAIL;
  39         }
  40 #endif
  41
  42         dir_mask &= mask;
  43         SET_LE_U16(&conf[0], mask);
  44         SET_LE_U16(&conf[2], dir_mask);
  45         SET_LE_U16(&conf[4], pull_en_mask);
  46         SET_LE_U16(&conf[6], input_pull_mask);
  47
  48         return usbtoxxx_conf_command(USB_TO_GPIO, interface_index, conf,
  49                 sizeof(conf));
  50 }
  51
  52 RESULT usbtogpio_in(uint8_t interface_index, uint32_t mask, uint32_t *value)
  53 {
  54         uint8_t buf[2];
  55
  56 #if PARAM_CHECK
  57         if (interface_index > 7) {
  58                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  59                 return ERROR_FAIL;
  60         }
  61 #endif
  62
  63         SET_LE_U16(&buf[0], mask);
  64
  65         return usbtoxxx_in_command(USB_TO_GPIO, interface_index, buf, 2, 2,
  66                 (uint8_t *)value, 0, 2, 0);
  67 }
  68
  69 RESULT usbtogpio_out(uint8_t interface_index, uint32_t mask, uint32_t value)
  70 {
  71         uint8_t buf[4];
  72
  73 #if PARAM_CHECK
  74         if (interface_index > 7) {
  75                 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
  76                 return ERROR_FAIL;
  77         }
  78 #endif
  79
  80         SET_LE_U16(&buf[0], mask);
  81         SET_LE_U16(&buf[2], value);
  82
  83         return usbtoxxx_out_command(USB_TO_GPIO, interface_index, buf, 4, 0);
  84 }