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- /*
- * Copyright (c) 2013-2018 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
- *
- * 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
- };
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