text: /*
   * Copyright (c) 2013-2016 ARM Limited. All rights reserved.
   *
   * SPDX-License-Identifier: Apache-2.0
   *
   * Licensed under the Apache License, Version 2.0 (the License); you may
   * not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an AS IS BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
   
  #include "Driver_MCI.h"
  
  #define ARM_MCI_DRV_VERSION    ARM_DRIVER_VERSION_MAJOR_MINOR(2, 0) /* driver version */
  
  /* Driver Version */
  static const ARM_DRIVER_VERSION DriverVersion = {
      ARM_MCI_API_VERSION,
      ARM_MCI_DRV_VERSION
  };
  
  /* Driver Capabilities */
  static const ARM_MCI_CAPABILITIES DriverCapabilities = {
      0, /* cd_state          */
      0, /* cd_event          */
      0, /* vdd               */
      0, /* vdd_1v8           */
      0, /* vccq              */
      0, /* vccq_1v8          */
      0, /* vccq_1v2          */
      1, /* data_width_4      */
      1, /* data_width_8      */
      0, /* data_width_4_ddr  */
      0, /* data_width_8_ddr  */
      0, /* high_speed        */
      0, /* uhs_signaling     */
      0, /* uhs_tuning        */
      0, /* uhs_sdr50         */
      0, /* uhs_sdr104        */
      0, /* uhs_ddr50         */
      0, /* uhs_driver_type_a */
      0, /* uhs_driver_type_c */
      0, /* uhs_driver_type_d */
      1, /* sdio_interrupt    */
      1, /* read_wait         */
      0, /* suspend_resume    */
      0, /* mmc_interrupt     */
      0, /* mmc_boot          */
      0, /* ccs               */
      0  /* ccs_timeout       */
  };
  
  //
  //   Functions
  //
  
  ARM_DRIVER_VERSION ARM_MCI_GetVersion(void)
  {
  }
  
  ARM_MCI_CAPABILITIES ARM_MCI_GetCapabilities(void)
  {
  }
  
  int32_t ARM_MCI_Initialize(ARM_MCI_SignalEvent_t cb_event)
  {
  }
  
  int32_t ARM_MCI_Uninitialize(void)
  {
  }
  
  int32_t ARM_MCI_PowerControl(ARM_POWER_STATE state)
  {
      switch (state)
      {
      case ARM_POWER_OFF:
          break;
  
      case ARM_POWER_LOW:
          break;
  
      case ARM_POWER_FULL:
          break;
  
      default:
          return ARM_DRIVER_ERROR_UNSUPPORTED;
      }
  }
  
  int32_t ARM_MCI_CardPower(uint32_t voltage)
  {
      switch (voltage & ARM_MCI_POWER_VDD_Msk)
      {
      case ARM_MCI_POWER_VDD_OFF:
          return ARM_DRIVER_OK;
  
      case ARM_MCI_POWER_VDD_3V3:
          return ARM_DRIVER_OK;
  
      default:
          break;
      }
  }
  
  int32_t ARM_MCI_ReadCD(void)
  {
  }
  
  int32_t ARM_MCI_ReadWP(void)
  {
  }
  
  int32_t ARM_MCI_SendCommand(uint32_t cmd, uint32_t arg, uint32_t flags, uint32_t *response)
  {
  }
  
  int32_t ARM_MCI_SetupTransfer(uint8_t  *data, uint32_t block_count, uint32_t block_size, uint32_t mode)
  {
  }
  
  int32_t ARM_MCI_AbortTransfer(void)
  {
  }
  
  int32_t ARM_MCI_Control(uint32_t control, uint32_t arg)
  {
      switch (control)
      {
      case ARM_MCI_BUS_SPEED:
          break;
  
      case ARM_MCI_BUS_SPEED_MODE:
          break;
  
      case ARM_MCI_BUS_CMD_MODE:
          /* Implement external pull-up control to support MMC cards in open-drain mode */
          /* Default mode is push-pull and is configured in Driver_MCI0.Initialize()    */
          if (arg == ARM_MCI_BUS_CMD_PUSH_PULL)
          {
              /* Configure external circuit to work in push-pull mode */
          }
          else if (arg == ARM_MCI_BUS_CMD_OPEN_DRAIN)
          {
              /* Configure external circuit to work in open-drain mode */
          }
          else
          {
              return ARM_DRIVER_ERROR_UNSUPPORTED;
          }
          break;
  
      case ARM_MCI_BUS_DATA_WIDTH:
          switch (arg)
          {
          case ARM_MCI_BUS_DATA_WIDTH_1:
              break;
          case ARM_MCI_BUS_DATA_WIDTH_4:
              break;
          case ARM_MCI_BUS_DATA_WIDTH_8:
              break;
          default:
              return ARM_DRIVER_ERROR_UNSUPPORTED;
          }
          break;
  
      case ARM_MCI_CONTROL_RESET:
          break;
  
      case ARM_MCI_CONTROL_CLOCK_IDLE:
          break;
  
      case ARM_MCI_DATA_TIMEOUT:
          break;
  
      case ARM_MCI_MONITOR_SDIO_INTERRUPT:
          break;
  
      case ARM_MCI_CONTROL_READ_WAIT:
          break;
  
      case ARM_MCI_DRIVER_STRENGTH:
      default: return ARM_DRIVER_ERROR_UNSUPPORTED;
      }
  }
  
  ARM_MCI_STATUS ARM_MCI_GetStatus(void)
  {
  }
  
  void ARM_MCI_SignalEvent(uint32_t event)
  {
      // function body
  }
  
  // End MCI Interface
  
  ARM_DRIVER_MCI Driver_MCI = {
      ARM_MCI_GetVersion,
      ARM_MCI_GetCapabilities,
      ARM_MCI_Initialize,
      ARM_MCI_Uninitialize,
      ARM_MCI_PowerControl,
      ARM_MCI_CardPower,
      ARM_MCI_ReadCD,
      ARM_MCI_ReadWP,
      ARM_MCI_SendCommand,
      ARM_MCI_SetupTransfer,
      ARM_MCI_AbortTransfer,
      ARM_MCI_Control,
      ARM_MCI_GetStatus
  };
  