diff options
Diffstat (limited to 'drivers/include/fsl_sdhc.h')
| -rw-r--r-- | drivers/include/fsl_sdhc.h | 1095 |
1 files changed, 1095 insertions, 0 deletions
diff --git a/drivers/include/fsl_sdhc.h b/drivers/include/fsl_sdhc.h new file mode 100644 index 0000000..336b961 --- /dev/null +++ b/drivers/include/fsl_sdhc.h @@ -0,0 +1,1095 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * Copyright 2016-2017 NXP + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * o Redistributions of source code must retain the above copyright notice, this list + * of conditions and the following disclaimer. + * + * o Redistributions in binary form must reproduce the above copyright notice, this + * list of conditions and the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * + * o Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _FSL_SDHC_H_ +#define _FSL_SDHC_H_ + +#include "fsl_common.h" + +/*! + * @addtogroup sdhc + * @{ + */ + +/****************************************************************************** + * Definitions. + *****************************************************************************/ + +/*! @name Driver version */ +/*@{*/ +/*! @brief Driver version 2.1.5. */ +#define FSL_SDHC_DRIVER_VERSION (MAKE_VERSION(2U, 1U, 5U)) +/*@}*/ + +/*! @brief Maximum block count can be set one time */ +#define SDHC_MAX_BLOCK_COUNT (SDHC_BLKATTR_BLKCNT_MASK >> SDHC_BLKATTR_BLKCNT_SHIFT) + +/*! @brief SDHC status */ +enum _sdhc_status +{ + kStatus_SDHC_BusyTransferring = MAKE_STATUS(kStatusGroup_SDHC, 0U), /*!< Transfer is on-going */ + kStatus_SDHC_PrepareAdmaDescriptorFailed = MAKE_STATUS(kStatusGroup_SDHC, 1U), /*!< Set DMA descriptor failed */ + kStatus_SDHC_SendCommandFailed = MAKE_STATUS(kStatusGroup_SDHC, 2U), /*!< Send command failed */ + kStatus_SDHC_TransferDataFailed = MAKE_STATUS(kStatusGroup_SDHC, 3U), /*!< Transfer data failed */ + kStatus_SDHC_DMADataBufferAddrNotAlign = + MAKE_STATUS(kStatusGroup_SDHC, 4U), /*!< data buffer addr not align in DMA mode */ +}; + +/*! @brief Host controller capabilities flag mask */ +enum _sdhc_capability_flag +{ + kSDHC_SupportAdmaFlag = SDHC_HTCAPBLT_ADMAS_MASK, /*!< Support ADMA */ + kSDHC_SupportHighSpeedFlag = SDHC_HTCAPBLT_HSS_MASK, /*!< Support high-speed */ + kSDHC_SupportDmaFlag = SDHC_HTCAPBLT_DMAS_MASK, /*!< Support DMA */ + kSDHC_SupportSuspendResumeFlag = SDHC_HTCAPBLT_SRS_MASK, /*!< Support suspend/resume */ + kSDHC_SupportV330Flag = SDHC_HTCAPBLT_VS33_MASK, /*!< Support voltage 3.3V */ +#if defined FSL_FEATURE_SDHC_HAS_V300_SUPPORT && FSL_FEATURE_SDHC_HAS_V300_SUPPORT + kSDHC_SupportV300Flag = SDHC_HTCAPBLT_VS30_MASK, /*!< Support voltage 3.0V */ +#endif +#if defined FSL_FEATURE_SDHC_HAS_V180_SUPPORT && FSL_FEATURE_SDHC_HAS_V180_SUPPORT + kSDHC_SupportV180Flag = SDHC_HTCAPBLT_VS18_MASK, /*!< Support voltage 1.8V */ +#endif + /* Put additional two flags in HTCAPBLT_MBL's position. */ + kSDHC_Support4BitFlag = (SDHC_HTCAPBLT_MBL_SHIFT << 0U), /*!< Support 4 bit mode */ + kSDHC_Support8BitFlag = (SDHC_HTCAPBLT_MBL_SHIFT << 1U), /*!< Support 8 bit mode */ +}; + +/*! @brief Wakeup event mask */ +enum _sdhc_wakeup_event +{ + kSDHC_WakeupEventOnCardInt = SDHC_PROCTL_WECINT_MASK, /*!< Wakeup on card interrupt */ + kSDHC_WakeupEventOnCardInsert = SDHC_PROCTL_WECINS_MASK, /*!< Wakeup on card insertion */ + kSDHC_WakeupEventOnCardRemove = SDHC_PROCTL_WECRM_MASK, /*!< Wakeup on card removal */ + + kSDHC_WakeupEventsAll = (kSDHC_WakeupEventOnCardInt | kSDHC_WakeupEventOnCardInsert | + kSDHC_WakeupEventOnCardRemove), /*!< All wakeup events */ +}; + +/*! @brief Reset type mask */ +enum _sdhc_reset +{ + kSDHC_ResetAll = SDHC_SYSCTL_RSTA_MASK, /*!< Reset all except card detection */ + kSDHC_ResetCommand = SDHC_SYSCTL_RSTC_MASK, /*!< Reset command line */ + kSDHC_ResetData = SDHC_SYSCTL_RSTD_MASK, /*!< Reset data line */ + + kSDHC_ResetsAll = (kSDHC_ResetAll | kSDHC_ResetCommand | kSDHC_ResetData), /*!< All reset types */ +}; + +/*! @brief Transfer flag mask */ +enum _sdhc_transfer_flag +{ + kSDHC_EnableDmaFlag = SDHC_XFERTYP_DMAEN_MASK, /*!< Enable DMA */ + + kSDHC_CommandTypeSuspendFlag = (SDHC_XFERTYP_CMDTYP(1U)), /*!< Suspend command */ + kSDHC_CommandTypeResumeFlag = (SDHC_XFERTYP_CMDTYP(2U)), /*!< Resume command */ + kSDHC_CommandTypeAbortFlag = (SDHC_XFERTYP_CMDTYP(3U)), /*!< Abort command */ + + kSDHC_EnableBlockCountFlag = SDHC_XFERTYP_BCEN_MASK, /*!< Enable block count */ + kSDHC_EnableAutoCommand12Flag = SDHC_XFERTYP_AC12EN_MASK, /*!< Enable auto CMD12 */ + kSDHC_DataReadFlag = SDHC_XFERTYP_DTDSEL_MASK, /*!< Enable data read */ + kSDHC_MultipleBlockFlag = SDHC_XFERTYP_MSBSEL_MASK, /*!< Multiple block data read/write */ + + kSDHC_ResponseLength136Flag = SDHC_XFERTYP_RSPTYP(1U), /*!< 136 bit response length */ + kSDHC_ResponseLength48Flag = SDHC_XFERTYP_RSPTYP(2U), /*!< 48 bit response length */ + kSDHC_ResponseLength48BusyFlag = SDHC_XFERTYP_RSPTYP(3U), /*!< 48 bit response length with busy status */ + + kSDHC_EnableCrcCheckFlag = SDHC_XFERTYP_CCCEN_MASK, /*!< Enable CRC check */ + kSDHC_EnableIndexCheckFlag = SDHC_XFERTYP_CICEN_MASK, /*!< Enable index check */ + kSDHC_DataPresentFlag = SDHC_XFERTYP_DPSEL_MASK, /*!< Data present flag */ +}; + +/*! @brief Present status flag mask */ +enum _sdhc_present_status_flag +{ + kSDHC_CommandInhibitFlag = SDHC_PRSSTAT_CIHB_MASK, /*!< Command inhibit */ + kSDHC_DataInhibitFlag = SDHC_PRSSTAT_CDIHB_MASK, /*!< Data inhibit */ + kSDHC_DataLineActiveFlag = SDHC_PRSSTAT_DLA_MASK, /*!< Data line active */ + kSDHC_SdClockStableFlag = SDHC_PRSSTAT_SDSTB_MASK, /*!< SD bus clock stable */ + kSDHC_WriteTransferActiveFlag = SDHC_PRSSTAT_WTA_MASK, /*!< Write transfer active */ + kSDHC_ReadTransferActiveFlag = SDHC_PRSSTAT_RTA_MASK, /*!< Read transfer active */ + kSDHC_BufferWriteEnableFlag = SDHC_PRSSTAT_BWEN_MASK, /*!< Buffer write enable */ + kSDHC_BufferReadEnableFlag = SDHC_PRSSTAT_BREN_MASK, /*!< Buffer read enable */ + kSDHC_CardInsertedFlag = SDHC_PRSSTAT_CINS_MASK, /*!< Card inserted */ + kSDHC_CommandLineLevelFlag = SDHC_PRSSTAT_CLSL_MASK, /*!< Command line signal level */ + kSDHC_Data0LineLevelFlag = (1U << 24U), /*!< Data0 line signal level */ + kSDHC_Data1LineLevelFlag = (1U << 25U), /*!< Data1 line signal level */ + kSDHC_Data2LineLevelFlag = (1U << 26U), /*!< Data2 line signal level */ + kSDHC_Data3LineLevelFlag = (1U << 27U), /*!< Data3 line signal level */ + kSDHC_Data4LineLevelFlag = (1U << 28U), /*!< Data4 line signal level */ + kSDHC_Data5LineLevelFlag = (1U << 29U), /*!< Data5 line signal level */ + kSDHC_Data6LineLevelFlag = (1U << 30U), /*!< Data6 line signal level */ + kSDHC_Data7LineLevelFlag = (1U << 31U), /*!< Data7 line signal level */ +}; + +/*! @brief Interrupt status flag mask */ +enum _sdhc_interrupt_status_flag +{ + kSDHC_CommandCompleteFlag = SDHC_IRQSTAT_CC_MASK, /*!< Command complete */ + kSDHC_DataCompleteFlag = SDHC_IRQSTAT_TC_MASK, /*!< Data complete */ + kSDHC_BlockGapEventFlag = SDHC_IRQSTAT_BGE_MASK, /*!< Block gap event */ + kSDHC_DmaCompleteFlag = SDHC_IRQSTAT_DINT_MASK, /*!< DMA interrupt */ + kSDHC_BufferWriteReadyFlag = SDHC_IRQSTAT_BWR_MASK, /*!< Buffer write ready */ + kSDHC_BufferReadReadyFlag = SDHC_IRQSTAT_BRR_MASK, /*!< Buffer read ready */ + kSDHC_CardInsertionFlag = SDHC_IRQSTAT_CINS_MASK, /*!< Card inserted */ + kSDHC_CardRemovalFlag = SDHC_IRQSTAT_CRM_MASK, /*!< Card removed */ + kSDHC_CardInterruptFlag = SDHC_IRQSTAT_CINT_MASK, /*!< Card interrupt */ + kSDHC_CommandTimeoutFlag = SDHC_IRQSTAT_CTOE_MASK, /*!< Command timeout error */ + kSDHC_CommandCrcErrorFlag = SDHC_IRQSTAT_CCE_MASK, /*!< Command CRC error */ + kSDHC_CommandEndBitErrorFlag = SDHC_IRQSTAT_CEBE_MASK, /*!< Command end bit error */ + kSDHC_CommandIndexErrorFlag = SDHC_IRQSTAT_CIE_MASK, /*!< Command index error */ + kSDHC_DataTimeoutFlag = SDHC_IRQSTAT_DTOE_MASK, /*!< Data timeout error */ + kSDHC_DataCrcErrorFlag = SDHC_IRQSTAT_DCE_MASK, /*!< Data CRC error */ + kSDHC_DataEndBitErrorFlag = SDHC_IRQSTAT_DEBE_MASK, /*!< Data end bit error */ + kSDHC_AutoCommand12ErrorFlag = SDHC_IRQSTAT_AC12E_MASK, /*!< Auto CMD12 error */ + kSDHC_DmaErrorFlag = SDHC_IRQSTAT_DMAE_MASK, /*!< DMA error */ + + kSDHC_CommandErrorFlag = (kSDHC_CommandTimeoutFlag | kSDHC_CommandCrcErrorFlag | kSDHC_CommandEndBitErrorFlag | + kSDHC_CommandIndexErrorFlag), /*!< Command error */ + kSDHC_DataErrorFlag = (kSDHC_DataTimeoutFlag | kSDHC_DataCrcErrorFlag | kSDHC_DataEndBitErrorFlag | + kSDHC_AutoCommand12ErrorFlag), /*!< Data error */ + kSDHC_ErrorFlag = (kSDHC_CommandErrorFlag | kSDHC_DataErrorFlag | kSDHC_DmaErrorFlag), /*!< All error */ + kSDHC_DataFlag = (kSDHC_DataCompleteFlag | kSDHC_DmaCompleteFlag | kSDHC_BufferWriteReadyFlag | + kSDHC_BufferReadReadyFlag | kSDHC_DataErrorFlag | kSDHC_DmaErrorFlag), /*!< Data interrupts */ + kSDHC_CommandFlag = (kSDHC_CommandErrorFlag | kSDHC_CommandCompleteFlag), /*!< Command interrupts */ + kSDHC_CardDetectFlag = (kSDHC_CardInsertionFlag | kSDHC_CardRemovalFlag), /*!< Card detection interrupts */ + + kSDHC_AllInterruptFlags = (kSDHC_BlockGapEventFlag | kSDHC_CardInterruptFlag | kSDHC_CommandFlag | kSDHC_DataFlag | + kSDHC_ErrorFlag), /*!< All flags mask */ +}; + +/*! @brief Auto CMD12 error status flag mask */ +enum _sdhc_auto_command12_error_status_flag +{ + kSDHC_AutoCommand12NotExecutedFlag = SDHC_AC12ERR_AC12NE_MASK, /*!< Not executed error */ + kSDHC_AutoCommand12TimeoutFlag = SDHC_AC12ERR_AC12TOE_MASK, /*!< Timeout error */ + kSDHC_AutoCommand12EndBitErrorFlag = SDHC_AC12ERR_AC12EBE_MASK, /*!< End bit error */ + kSDHC_AutoCommand12CrcErrorFlag = SDHC_AC12ERR_AC12CE_MASK, /*!< CRC error */ + kSDHC_AutoCommand12IndexErrorFlag = SDHC_AC12ERR_AC12IE_MASK, /*!< Index error */ + kSDHC_AutoCommand12NotIssuedFlag = SDHC_AC12ERR_CNIBAC12E_MASK, /*!< Not issued error */ +}; + +/*! @brief ADMA error status flag mask */ +enum _sdhc_adma_error_status_flag +{ + kSDHC_AdmaLenghMismatchFlag = SDHC_ADMAES_ADMALME_MASK, /*!< Length mismatch error */ + kSDHC_AdmaDescriptorErrorFlag = SDHC_ADMAES_ADMADCE_MASK, /*!< Descriptor error */ +}; + +/*! + * @brief ADMA error state + * + * This state is the detail state when ADMA error has occurred. + */ +typedef enum _sdhc_adma_error_state +{ + kSDHC_AdmaErrorStateStopDma = 0x00U, /*!< Stop DMA */ + kSDHC_AdmaErrorStateFetchDescriptor = 0x01U, /*!< Fetch descriptor */ + kSDHC_AdmaErrorStateChangeAddress = 0x02U, /*!< Change address */ + kSDHC_AdmaErrorStateTransferData = 0x03U, /*!< Transfer data */ +} sdhc_adma_error_state_t; + +/*! @brief Force event mask */ +enum _sdhc_force_event +{ + kSDHC_ForceEventAutoCommand12NotExecuted = SDHC_FEVT_AC12NE_MASK, /*!< Auto CMD12 not executed error */ + kSDHC_ForceEventAutoCommand12Timeout = SDHC_FEVT_AC12TOE_MASK, /*!< Auto CMD12 timeout error */ + kSDHC_ForceEventAutoCommand12CrcError = SDHC_FEVT_AC12CE_MASK, /*!< Auto CMD12 CRC error */ + kSDHC_ForceEventEndBitError = SDHC_FEVT_AC12EBE_MASK, /*!< Auto CMD12 end bit error */ + kSDHC_ForceEventAutoCommand12IndexError = SDHC_FEVT_AC12IE_MASK, /*!< Auto CMD12 index error */ + kSDHC_ForceEventAutoCommand12NotIssued = SDHC_FEVT_CNIBAC12E_MASK, /*!< Auto CMD12 not issued error */ + kSDHC_ForceEventCommandTimeout = SDHC_FEVT_CTOE_MASK, /*!< Command timeout error */ + kSDHC_ForceEventCommandCrcError = SDHC_FEVT_CCE_MASK, /*!< Command CRC error */ + kSDHC_ForceEventCommandEndBitError = SDHC_FEVT_CEBE_MASK, /*!< Command end bit error */ + kSDHC_ForceEventCommandIndexError = SDHC_FEVT_CIE_MASK, /*!< Command index error */ + kSDHC_ForceEventDataTimeout = SDHC_FEVT_DTOE_MASK, /*!< Data timeout error */ + kSDHC_ForceEventDataCrcError = SDHC_FEVT_DCE_MASK, /*!< Data CRC error */ + kSDHC_ForceEventDataEndBitError = SDHC_FEVT_DEBE_MASK, /*!< Data end bit error */ + kSDHC_ForceEventAutoCommand12Error = SDHC_FEVT_AC12E_MASK, /*!< Auto CMD12 error */ + kSDHC_ForceEventCardInt = SDHC_FEVT_CINT_MASK, /*!< Card interrupt */ + kSDHC_ForceEventDmaError = SDHC_FEVT_DMAE_MASK, /*!< Dma error */ + + kSDHC_ForceEventsAll = + (kSDHC_ForceEventAutoCommand12NotExecuted | kSDHC_ForceEventAutoCommand12Timeout | + kSDHC_ForceEventAutoCommand12CrcError | kSDHC_ForceEventEndBitError | kSDHC_ForceEventAutoCommand12IndexError | + kSDHC_ForceEventAutoCommand12NotIssued | kSDHC_ForceEventCommandTimeout | kSDHC_ForceEventCommandCrcError | + kSDHC_ForceEventCommandEndBitError | kSDHC_ForceEventCommandIndexError | kSDHC_ForceEventDataTimeout | + kSDHC_ForceEventDataCrcError | kSDHC_ForceEventDataEndBitError | kSDHC_ForceEventAutoCommand12Error | + kSDHC_ForceEventCardInt | kSDHC_ForceEventDmaError), /*!< All force event flags mask */ +}; + +/*! @brief Data transfer width */ +typedef enum _sdhc_data_bus_width +{ + kSDHC_DataBusWidth1Bit = 0U, /*!< 1-bit mode */ + kSDHC_DataBusWidth4Bit = 1U, /*!< 4-bit mode */ + kSDHC_DataBusWidth8Bit = 2U, /*!< 8-bit mode */ +} sdhc_data_bus_width_t; + +/*! @brief Endian mode */ +typedef enum _sdhc_endian_mode +{ + kSDHC_EndianModeBig = 0U, /*!< Big endian mode */ + kSDHC_EndianModeHalfWordBig = 1U, /*!< Half word big endian mode */ + kSDHC_EndianModeLittle = 2U, /*!< Little endian mode */ +} sdhc_endian_mode_t; + +/*! @brief DMA mode */ +typedef enum _sdhc_dma_mode +{ + kSDHC_DmaModeNo = 0U, /*!< No DMA */ + kSDHC_DmaModeAdma1 = 1U, /*!< ADMA1 is selected */ + kSDHC_DmaModeAdma2 = 2U, /*!< ADMA2 is selected */ +} sdhc_dma_mode_t; + +/*! @brief SDIO control flag mask */ +enum _sdhc_sdio_control_flag +{ + kSDHC_StopAtBlockGapFlag = 0x01, /*!< Stop at block gap */ + kSDHC_ReadWaitControlFlag = 0x02, /*!< Read wait control */ + kSDHC_InterruptAtBlockGapFlag = 0x04, /*!< Interrupt at block gap */ + kSDHC_ExactBlockNumberReadFlag = 0x08, /*!< Exact block number read */ +}; + +/*! @brief MMC card boot mode */ +typedef enum _sdhc_boot_mode +{ + kSDHC_BootModeNormal = 0U, /*!< Normal boot */ + kSDHC_BootModeAlternative = 1U, /*!< Alternative boot */ +} sdhc_boot_mode_t; + +/*! @brief The command type */ +typedef enum _sdhc_card_command_type +{ + kCARD_CommandTypeNormal = 0U, /*!< Normal command */ + kCARD_CommandTypeSuspend = 1U, /*!< Suspend command */ + kCARD_CommandTypeResume = 2U, /*!< Resume command */ + kCARD_CommandTypeAbort = 3U, /*!< Abort command */ +} sdhc_card_command_type_t; + +/*! + * @brief The command response type. + * + * Define the command response type from card to host controller. + */ +typedef enum _sdhc_card_response_type +{ + kCARD_ResponseTypeNone = 0U, /*!< Response type: none */ + kCARD_ResponseTypeR1 = 1U, /*!< Response type: R1 */ + kCARD_ResponseTypeR1b = 2U, /*!< Response type: R1b */ + kCARD_ResponseTypeR2 = 3U, /*!< Response type: R2 */ + kCARD_ResponseTypeR3 = 4U, /*!< Response type: R3 */ + kCARD_ResponseTypeR4 = 5U, /*!< Response type: R4 */ + kCARD_ResponseTypeR5 = 6U, /*!< Response type: R5 */ + kCARD_ResponseTypeR5b = 7U, /*!< Response type: R5b */ + kCARD_ResponseTypeR6 = 8U, /*!< Response type: R6 */ + kCARD_ResponseTypeR7 = 9U, /*!< Response type: R7 */ +} sdhc_card_response_type_t; + +/*! @brief The alignment size for ADDRESS filed in ADMA1's descriptor */ +#define SDHC_ADMA1_ADDRESS_ALIGN (4096U) +/*! @brief The alignment size for LENGTH field in ADMA1's descriptor */ +#define SDHC_ADMA1_LENGTH_ALIGN (4096U) +/*! @brief The alignment size for ADDRESS field in ADMA2's descriptor */ +#define SDHC_ADMA2_ADDRESS_ALIGN (4U) +/*! @brief The alignment size for LENGTH filed in ADMA2's descriptor */ +#define SDHC_ADMA2_LENGTH_ALIGN (4U) + +/* ADMA1 descriptor table + * |------------------------|---------|--------------------------| + * | Address/page field |Reserved | Attribute | + * |------------------------|---------|--------------------------| + * |31 12|11 6|05 |04 |03|02 |01 |00 | + * |------------------------|---------|----|----|--|---|---|-----| + * | address or data length | 000000 |Act2|Act1| 0|Int|End|Valid| + * |------------------------|---------|----|----|--|---|---|-----| + * + * + * |------|------|-----------------|-------|-------------| + * | Act2 | Act1 | Comment | 31-28 | 27 - 12 | + * |------|------|-----------------|---------------------| + * | 0 | 0 | No op | Don't care | + * |------|------|-----------------|-------|-------------| + * | 0 | 1 | Set data length | 0000 | Data Length | + * |------|------|-----------------|-------|-------------| + * | 1 | 0 | Transfer data | Data address | + * |------|------|-----------------|---------------------| + * | 1 | 1 | Link descriptor | Descriptor address | + * |------|------|-----------------|---------------------| + */ +/*! @brief The bit shift for ADDRESS filed in ADMA1's descriptor */ +#define SDHC_ADMA1_DESCRIPTOR_ADDRESS_SHIFT (12U) +/*! @brief The bit mask for ADDRESS field in ADMA1's descriptor */ +#define SDHC_ADMA1_DESCRIPTOR_ADDRESS_MASK (0xFFFFFU) +/*! @brief The bit shift for LENGTH filed in ADMA1's descriptor */ +#define SDHC_ADMA1_DESCRIPTOR_LENGTH_SHIFT (12U) +/*! @brief The mask for LENGTH field in ADMA1's descriptor */ +#define SDHC_ADMA1_DESCRIPTOR_LENGTH_MASK (0xFFFFU) +/*! @brief The maximum value of LENGTH filed in ADMA1's descriptor */ +#define SDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY (SDHC_ADMA1_DESCRIPTOR_LENGTH_MASK + 1U) + +/*! @brief The mask for the control/status field in ADMA1 descriptor */ +enum _sdhc_adma1_descriptor_flag +{ + kSDHC_Adma1DescriptorValidFlag = (1U << 0U), /*!< Valid flag */ + kSDHC_Adma1DescriptorEndFlag = (1U << 1U), /*!< End flag */ + kSDHC_Adma1DescriptorInterrupFlag = (1U << 2U), /*!< Interrupt flag */ + kSDHC_Adma1DescriptorActivity1Flag = (1U << 4U), /*!< Activity 1 flag */ + kSDHC_Adma1DescriptorActivity2Flag = (1U << 5U), /*!< Activity 2 flag */ + kSDHC_Adma1DescriptorTypeNop = (kSDHC_Adma1DescriptorValidFlag), /*!< No operation */ + kSDHC_Adma1DescriptorTypeTransfer = + (kSDHC_Adma1DescriptorActivity2Flag | kSDHC_Adma1DescriptorValidFlag), /*!< Transfer data */ + kSDHC_Adma1DescriptorTypeLink = (kSDHC_Adma1DescriptorActivity1Flag | kSDHC_Adma1DescriptorActivity2Flag | + kSDHC_Adma1DescriptorValidFlag), /*!< Link descriptor */ + kSDHC_Adma1DescriptorTypeSetLength = + (kSDHC_Adma1DescriptorActivity1Flag | kSDHC_Adma1DescriptorValidFlag), /*!< Set data length */ +}; + +/* ADMA2 descriptor table + * |----------------|---------------|-------------|--------------------------| + * | Address field | Length | Reserved | Attribute | + * |----------------|---------------|-------------|--------------------------| + * |63 32|31 16|15 06|05 |04 |03|02 |01 |00 | + * |----------------|---------------|-------------|----|----|--|---|---|-----| + * | 32-bit address | 16-bit length | 0000000000 |Act2|Act1| 0|Int|End|Valid| + * |----------------|---------------|-------------|----|----|--|---|---|-----| + * + * + * | Act2 | Act1 | Comment | Operation | + * |------|------|-----------------|-------------------------------------------------------------------| + * | 0 | 0 | No op | Don't care | + * |------|------|-----------------|-------------------------------------------------------------------| + * | 0 | 1 | Reserved | Read this line and go to next one | + * |------|------|-----------------|-------------------------------------------------------------------| + * | 1 | 0 | Transfer data | Transfer data with address and length set in this descriptor line | + * |------|------|-----------------|-------------------------------------------------------------------| + * | 1 | 1 | Link descriptor | Link to another descriptor | + * |------|------|-----------------|-------------------------------------------------------------------| + */ +/*! @brief The bit shift for LENGTH field in ADMA2's descriptor */ +#define SDHC_ADMA2_DESCRIPTOR_LENGTH_SHIFT (16U) +/*! @brief The bit mask for LENGTH field in ADMA2's descriptor */ +#define SDHC_ADMA2_DESCRIPTOR_LENGTH_MASK (0xFFFFU) +/*! @brief The maximum value of LENGTH field in ADMA2's descriptor */ +#define SDHC_ADMA2_DESCRIPTOR_MAX_LENGTH_PER_ENTRY (SDHC_ADMA2_DESCRIPTOR_LENGTH_MASK) + +/*! @brief ADMA1 descriptor control and status mask */ +enum _sdhc_adma2_descriptor_flag +{ + kSDHC_Adma2DescriptorValidFlag = (1U << 0U), /*!< Valid flag */ + kSDHC_Adma2DescriptorEndFlag = (1U << 1U), /*!< End flag */ + kSDHC_Adma2DescriptorInterruptFlag = (1U << 2U), /*!< Interrupt flag */ + kSDHC_Adma2DescriptorActivity1Flag = (1U << 4U), /*!< Activity 1 mask */ + kSDHC_Adma2DescriptorActivity2Flag = (1U << 5U), /*!< Activity 2 mask */ + + kSDHC_Adma2DescriptorTypeNop = (kSDHC_Adma2DescriptorValidFlag), /*!< No operation */ + kSDHC_Adma2DescriptorTypeReserved = + (kSDHC_Adma2DescriptorActivity1Flag | kSDHC_Adma2DescriptorValidFlag), /*!< Reserved */ + kSDHC_Adma2DescriptorTypeTransfer = + (kSDHC_Adma2DescriptorActivity2Flag | kSDHC_Adma2DescriptorValidFlag), /*!< Transfer type */ + kSDHC_Adma2DescriptorTypeLink = (kSDHC_Adma2DescriptorActivity1Flag | kSDHC_Adma2DescriptorActivity2Flag | + kSDHC_Adma2DescriptorValidFlag), /*!< Link type */ +}; + +/*! @brief Defines the adma1 descriptor structure. */ +typedef uint32_t sdhc_adma1_descriptor_t; + +/*! @brief Defines the ADMA2 descriptor structure. */ +typedef struct _sdhc_adma2_descriptor +{ + uint32_t attribute; /*!< The control and status field */ + const uint32_t *address; /*!< The address field */ +} sdhc_adma2_descriptor_t; + +/*! + * @brief SDHC capability information. + * + * Defines a structure to save the capability information of SDHC. + */ +typedef struct _sdhc_capability +{ + uint32_t specVersion; /*!< Specification version */ + uint32_t vendorVersion; /*!< Vendor version */ + uint32_t maxBlockLength; /*!< Maximum block length united as byte */ + uint32_t maxBlockCount; /*!< Maximum block count can be set one time */ + uint32_t flags; /*!< Capability flags to indicate the support information(_sdhc_capability_flag) */ +} sdhc_capability_t; + +/*! @brief Card transfer configuration. + * + * Define structure to configure the transfer-related command index/argument/flags and data block + * size/data block numbers. This structure needs to be filled each time a command is sent to the card. + */ +typedef struct _sdhc_transfer_config +{ + size_t dataBlockSize; /*!< Data block size */ + uint32_t dataBlockCount; /*!< Data block count */ + uint32_t commandArgument; /*!< Command argument */ + uint32_t commandIndex; /*!< Command index */ + uint32_t flags; /*!< Transfer flags(_sdhc_transfer_flag) */ +} sdhc_transfer_config_t; + +/*! @brief Data structure to configure the MMC boot feature */ +typedef struct _sdhc_boot_config +{ + uint32_t ackTimeoutCount; /*!< Timeout value for the boot ACK. The available range is 0 ~ 15. */ + sdhc_boot_mode_t bootMode; /*!< Boot mode selection. */ + uint32_t blockCount; /*!< Stop at block gap value of automatic mode. Available range is 0 ~ 65535. */ + bool enableBootAck; /*!< Enable or disable boot ACK */ + bool enableBoot; /*!< Enable or disable fast boot */ + bool enableAutoStopAtBlockGap; /*!< Enable or disable auto stop at block gap function in boot period */ +} sdhc_boot_config_t; + +/*! @brief Data structure to initialize the SDHC */ +typedef struct _sdhc_config +{ + bool cardDetectDat3; /*!< Enable DAT3 as card detection pin */ + sdhc_endian_mode_t endianMode; /*!< Endian mode */ + sdhc_dma_mode_t dmaMode; /*!< DMA mode */ + uint32_t readWatermarkLevel; /*!< Watermark level for DMA read operation. Available range is 1 ~ 128. */ + uint32_t writeWatermarkLevel; /*!< Watermark level for DMA write operation. Available range is 1 ~ 128. */ +} sdhc_config_t; + +/*! + * @brief Card data descriptor + * + * Defines a structure to contain data-related attribute. 'enableIgnoreError' is used for the case that upper card + * driver + * want to ignore the error event to read/write all the data not to stop read/write immediately when error event + * happen for example bus testing procedure for MMC card. + */ +typedef struct _sdhc_data +{ + bool enableAutoCommand12; /*!< Enable auto CMD12 */ + bool enableIgnoreError; /*!< Enable to ignore error event to read/write all the data */ + size_t blockSize; /*!< Block size */ + uint32_t blockCount; /*!< Block count */ + uint32_t *rxData; /*!< Buffer to save data read */ + const uint32_t *txData; /*!< Data buffer to write */ +} sdhc_data_t; + +/*! + * @brief Card command descriptor + * + * Define card command-related attribute. + */ +typedef struct _sdhc_command +{ + uint32_t index; /*!< Command index */ + uint32_t argument; /*!< Command argument */ + sdhc_card_command_type_t type; /*!< Command type */ + sdhc_card_response_type_t responseType; /*!< Command response type */ + uint32_t response[4U]; /*!< Response for this command */ + uint32_t responseErrorFlags; /*!< response error flag, the flag which need to check + the command reponse*/ +} sdhc_command_t; + +/*! @brief Transfer state */ +typedef struct _sdhc_transfer +{ + sdhc_data_t *data; /*!< Data to transfer */ + sdhc_command_t *command; /*!< Command to send */ +} sdhc_transfer_t; + +/*! @brief SDHC handle typedef */ +typedef struct _sdhc_handle sdhc_handle_t; + +/*! @brief SDHC callback functions. */ +typedef struct _sdhc_transfer_callback +{ + void (*CardInserted)(void); /*!< Card inserted occurs when DAT3/CD pin is for card detect */ + void (*CardRemoved)(void); /*!< Card removed occurs */ + void (*SdioInterrupt)(void); /*!< SDIO card interrupt occurs */ + void (*SdioBlockGap)(void); /*!< SDIO card stopped at block gap occurs */ + void (*TransferComplete)(SDHC_Type *base, + sdhc_handle_t *handle, + status_t status, + void *userData); /*!< Transfer complete callback */ +} sdhc_transfer_callback_t; + +/*! + * @brief SDHC handle + * + * Defines the structure to save the SDHC state information and callback function. The detailed interrupt status when + * sending a command or transfering data can be obtained from the interruptFlags field by using the mask defined in + * sdhc_interrupt_flag_t. + * + * @note All the fields except interruptFlags and transferredWords must be allocated by the user. + */ +struct _sdhc_handle +{ + /* Transfer parameter */ + sdhc_data_t *volatile data; /*!< Data to transfer */ + sdhc_command_t *volatile command; /*!< Command to send */ + + /* Transfer status */ + volatile uint32_t interruptFlags; /*!< Interrupt flags of last transaction */ + volatile uint32_t transferredWords; /*!< Words transferred by DATAPORT way */ + + /* Callback functions */ + sdhc_transfer_callback_t callback; /*!< Callback function */ + void *userData; /*!< Parameter for transfer complete callback */ +}; + +/*! @brief SDHC transfer function. */ +typedef status_t (*sdhc_transfer_function_t)(SDHC_Type *base, sdhc_transfer_t *content); + +/*! @brief SDHC host descriptor */ +typedef struct _sdhc_host +{ + SDHC_Type *base; /*!< SDHC peripheral base address */ + uint32_t sourceClock_Hz; /*!< SDHC source clock frequency united in Hz */ + sdhc_config_t config; /*!< SDHC configuration */ + sdhc_capability_t capability; /*!< SDHC capability information */ + sdhc_transfer_function_t transfer; /*!< SDHC transfer function */ +} sdhc_host_t; + +/************************************************************************************************* + * API + ************************************************************************************************/ +#if defined(__cplusplus) +extern "C" { +#endif + +/*! + * @name Initialization and deinitialization + * @{ + */ + +/*! + * @brief SDHC module initialization function. + * + * Configures the SDHC according to the user configuration. + * + * Example: + @code + sdhc_config_t config; + config.cardDetectDat3 = false; + config.endianMode = kSDHC_EndianModeLittle; + config.dmaMode = kSDHC_DmaModeAdma2; + config.readWatermarkLevel = 128U; + config.writeWatermarkLevel = 128U; + SDHC_Init(SDHC, &config); + @endcode + * + * @param base SDHC peripheral base address. + * @param config SDHC configuration information. + * @retval kStatus_Success Operate successfully. + */ +void SDHC_Init(SDHC_Type *base, const sdhc_config_t *config); + +/*! + * @brief Deinitializes the SDHC. + * + * @param base SDHC peripheral base address. + */ +void SDHC_Deinit(SDHC_Type *base); + +/*! + * @brief Resets the SDHC. + * + * @param base SDHC peripheral base address. + * @param mask The reset type mask(_sdhc_reset). + * @param timeout Timeout for reset. + * @retval true Reset successfully. + * @retval false Reset failed. + */ +bool SDHC_Reset(SDHC_Type *base, uint32_t mask, uint32_t timeout); + +/* @} */ + +/*! + * @name DMA Control + * @{ + */ + +/*! + * @brief Sets the ADMA descriptor table configuration. + * + * @param base SDHC peripheral base address. + * @param dmaMode DMA mode. + * @param table ADMA table address. + * @param tableWords ADMA table buffer length united as Words. + * @param data Data buffer address. + * @param dataBytes Data length united as bytes. + * @retval kStatus_OutOfRange ADMA descriptor table length isn't enough to describe data. + * @retval kStatus_Success Operate successfully. + */ +status_t SDHC_SetAdmaTableConfig(SDHC_Type *base, + sdhc_dma_mode_t dmaMode, + uint32_t *table, + uint32_t tableWords, + const uint32_t *data, + uint32_t dataBytes); + +/* @} */ + +/*! + * @name Interrupts + * @{ + */ + +/*! + * @brief Enables the interrupt status. + * + * @param base SDHC peripheral base address. + * @param mask Interrupt status flags mask(_sdhc_interrupt_status_flag). + */ +static inline void SDHC_EnableInterruptStatus(SDHC_Type *base, uint32_t mask) +{ + base->IRQSTATEN |= mask; +} + +/*! + * @brief Disables the interrupt status. + * + * @param base SDHC peripheral base address. + * @param mask The interrupt status flags mask(_sdhc_interrupt_status_flag). + */ +static inline void SDHC_DisableInterruptStatus(SDHC_Type *base, uint32_t mask) +{ + base->IRQSTATEN &= ~mask; +} + +/*! + * @brief Enables the interrupt signal corresponding to the interrupt status flag. + * + * @param base SDHC peripheral base address. + * @param mask The interrupt status flags mask(_sdhc_interrupt_status_flag). + */ +static inline void SDHC_EnableInterruptSignal(SDHC_Type *base, uint32_t mask) +{ + base->IRQSIGEN |= mask; +} + +/*! + * @brief Disables the interrupt signal corresponding to the interrupt status flag. + * + * @param base SDHC peripheral base address. + * @param mask The interrupt status flags mask(_sdhc_interrupt_status_flag). + */ +static inline void SDHC_DisableInterruptSignal(SDHC_Type *base, uint32_t mask) +{ + base->IRQSIGEN &= ~mask; +} + +/* @} */ + +/*! + * @name Status + * @{ + */ + +/*! + * @brief Gets the current interrupt status. + * + * @param base SDHC peripheral base address. + * @return Current interrupt status flags mask(_sdhc_interrupt_status_flag). + */ +static inline uint32_t SDHC_GetInterruptStatusFlags(SDHC_Type *base) +{ + return base->IRQSTAT; +} + +/*! + * @brief Clears a specified interrupt status. + * + * @param base SDHC peripheral base address. + * @param mask The interrupt status flags mask(_sdhc_interrupt_status_flag). + */ +static inline void SDHC_ClearInterruptStatusFlags(SDHC_Type *base, uint32_t mask) +{ + base->IRQSTAT = mask; +} + +/*! + * @brief Gets the status of auto command 12 error. + * + * @param base SDHC peripheral base address. + * @return Auto command 12 error status flags mask(_sdhc_auto_command12_error_status_flag). + */ +static inline uint32_t SDHC_GetAutoCommand12ErrorStatusFlags(SDHC_Type *base) +{ + return base->AC12ERR; +} + +/*! + * @brief Gets the status of the ADMA error. + * + * @param base SDHC peripheral base address. + * @return ADMA error status flags mask(_sdhc_adma_error_status_flag). + */ +static inline uint32_t SDHC_GetAdmaErrorStatusFlags(SDHC_Type *base) +{ + return base->ADMAES; +} + +/*! + * @brief Gets a present status. + * + * This function gets the present SDHC's status except for an interrupt status and an error status. + * + * @param base SDHC peripheral base address. + * @return Present SDHC's status flags mask(_sdhc_present_status_flag). + */ +static inline uint32_t SDHC_GetPresentStatusFlags(SDHC_Type *base) +{ + return base->PRSSTAT; +} + +/* @} */ + +/*! + * @name Bus Operations + * @{ + */ + +/*! + * @brief Gets the capability information. + * + * @param base SDHC peripheral base address. + * @param capability Structure to save capability information. + */ +void SDHC_GetCapability(SDHC_Type *base, sdhc_capability_t *capability); + +/*! + * @brief Enables or disables the SD bus clock. + * + * @param base SDHC peripheral base address. + * @param enable True to enable, false to disable. + */ +static inline void SDHC_EnableSdClock(SDHC_Type *base, bool enable) +{ + if (enable) + { + base->SYSCTL |= SDHC_SYSCTL_SDCLKEN_MASK; + } + else + { + base->SYSCTL &= ~SDHC_SYSCTL_SDCLKEN_MASK; + } +} + +/*! + * @brief Sets the SD bus clock frequency. + * + * @param base SDHC peripheral base address. + * @param srcClock_Hz SDHC source clock frequency united in Hz. + * @param busClock_Hz SD bus clock frequency united in Hz. + * + * @return The nearest frequency of busClock_Hz configured to SD bus. + */ +uint32_t SDHC_SetSdClock(SDHC_Type *base, uint32_t srcClock_Hz, uint32_t busClock_Hz); + +/*! + * @brief Sends 80 clocks to the card to set it to the active state. + * + * This function must be called each time the card is inserted to ensure that the card can receive the command + * correctly. + * + * @param base SDHC peripheral base address. + * @param timeout Timeout to initialize card. + * @retval true Set card active successfully. + * @retval false Set card active failed. + */ +bool SDHC_SetCardActive(SDHC_Type *base, uint32_t timeout); + +/*! + * @brief Sets the data transfer width. + * + * @param base SDHC peripheral base address. + * @param width Data transfer width. + */ +static inline void SDHC_SetDataBusWidth(SDHC_Type *base, sdhc_data_bus_width_t width) +{ + base->PROCTL = ((base->PROCTL & ~SDHC_PROCTL_DTW_MASK) | SDHC_PROCTL_DTW(width)); +} + +/*! + * @brief Sets the card transfer-related configuration. + * + * This function fills the card transfer-related command argument/transfer flag/data size. The command and data are sent + by + * SDHC after calling this function. + * + * Example: + @code + sdhc_transfer_config_t transferConfig; + transferConfig.dataBlockSize = 512U; + transferConfig.dataBlockCount = 2U; + transferConfig.commandArgument = 0x01AAU; + transferConfig.commandIndex = 8U; + transferConfig.flags |= (kSDHC_EnableDmaFlag | kSDHC_EnableAutoCommand12Flag | kSDHC_MultipleBlockFlag); + SDHC_SetTransferConfig(SDHC, &transferConfig); + @endcode + * + * @param base SDHC peripheral base address. + * @param config Command configuration structure. + */ +void SDHC_SetTransferConfig(SDHC_Type *base, const sdhc_transfer_config_t *config); + +/*! + * @brief Gets the command response. + * + * @param base SDHC peripheral base address. + * @param index The index of response register, range from 0 to 3. + * @return Response register transfer. + */ +static inline uint32_t SDHC_GetCommandResponse(SDHC_Type *base, uint32_t index) +{ + assert(index < 4U); + + return base->CMDRSP[index]; +} + +/*! + * @brief Fills the the data port. + * + * This function is used to implement the data transfer by Data Port instead of DMA. + * + * @param base SDHC peripheral base address. + * @param data The data about to be sent. + */ +static inline void SDHC_WriteData(SDHC_Type *base, uint32_t data) +{ + base->DATPORT = data; +} + +/*! + * @brief Retrieves the data from the data port. + * + * This function is used to implement the data transfer by Data Port instead of DMA. + * + * @param base SDHC peripheral base address. + * @return The data has been read. + */ +static inline uint32_t SDHC_ReadData(SDHC_Type *base) +{ + return base->DATPORT; +} + +/*! + * @brief Enables or disables a wakeup event in low-power mode. + * + * @param base SDHC peripheral base address. + * @param mask Wakeup events mask(_sdhc_wakeup_event). + * @param enable True to enable, false to disable. + */ +static inline void SDHC_EnableWakeupEvent(SDHC_Type *base, uint32_t mask, bool enable) +{ + if (enable) + { + base->PROCTL |= mask; + } + else + { + base->PROCTL &= ~mask; + } +} + +/*! + * @brief Enables or disables the card detection level for testing. + * + * @param base SDHC peripheral base address. + * @param enable True to enable, false to disable. + */ +static inline void SDHC_EnableCardDetectTest(SDHC_Type *base, bool enable) +{ + if (enable) + { + base->PROCTL |= SDHC_PROCTL_CDSS_MASK; + } + else + { + base->PROCTL &= ~SDHC_PROCTL_CDSS_MASK; + } +} + +/*! + * @brief Sets the card detection test level. + * + * This function sets the card detection test level to indicate whether the card is inserted into the SDHC when DAT[3]/ + * CD pin is selected as a card detection pin. This function can also assert the pin logic when DAT[3]/CD pin is + * selected + * as the card detection pin. + * + * @param base SDHC peripheral base address. + * @param high True to set the card detect level to high. + */ +static inline void SDHC_SetCardDetectTestLevel(SDHC_Type *base, bool high) +{ + if (high) + { + base->PROCTL |= SDHC_PROCTL_CDTL_MASK; + } + else + { + base->PROCTL &= ~SDHC_PROCTL_CDTL_MASK; + } +} + +/*! + * @brief Enables or disables the SDIO card control. + * + * @param base SDHC peripheral base address. + * @param mask SDIO card control flags mask(_sdhc_sdio_control_flag). + * @param enable True to enable, false to disable. + */ +void SDHC_EnableSdioControl(SDHC_Type *base, uint32_t mask, bool enable); + +/*! + * @brief Restarts a transaction which has stopped at the block GAP for the SDIO card. + * + * @param base SDHC peripheral base address. + */ +static inline void SDHC_SetContinueRequest(SDHC_Type *base) +{ + base->PROCTL |= SDHC_PROCTL_CREQ_MASK; +} + +/*! + * @brief Configures the MMC boot feature. + * + * Example: + @code + sdhc_boot_config_t config; + config.ackTimeoutCount = 4; + config.bootMode = kSDHC_BootModeNormal; + config.blockCount = 5; + config.enableBootAck = true; + config.enableBoot = true; + config.enableAutoStopAtBlockGap = true; + SDHC_SetMmcBootConfig(SDHC, &config); + @endcode + * + * @param base SDHC peripheral base address. + * @param config The MMC boot configuration information. + */ +void SDHC_SetMmcBootConfig(SDHC_Type *base, const sdhc_boot_config_t *config); + +/*! + * @brief Forces generating events according to the given mask. + * + * @param base SDHC peripheral base address. + * @param mask The force events mask(_sdhc_force_event). + */ +static inline void SDHC_SetForceEvent(SDHC_Type *base, uint32_t mask) +{ + base->FEVT = mask; +} + +/* @} */ + +/*! + * @name Transactional + * @{ + */ + +/*! + * @brief Transfers the command/data using a blocking method. + * + * This function waits until the command response/data is received or the SDHC encounters an error by polling the status + * flag. + * This function support non word align data addr transfer support, if data buffer addr is not align in DMA mode, + * the API will continue finish the transfer by polling IO directly + * The application must not call this API in multiple threads at the same time. Because of that this API doesn't support + * the re-entry mechanism. + * + * @note There is no need to call the API 'SDHC_TransferCreateHandle' when calling this API. + * + * @param base SDHC peripheral base address. + * @param admaTable ADMA table address, can't be null if transfer way is ADMA1/ADMA2. + * @param admaTableWords ADMA table length united as words, can't be 0 if transfer way is ADMA1/ADMA2. + * @param transfer Transfer content. + * @retval kStatus_InvalidArgument Argument is invalid. + * @retval kStatus_SDHC_PrepareAdmaDescriptorFailed Prepare ADMA descriptor failed. + * @retval kStatus_SDHC_SendCommandFailed Send command failed. + * @retval kStatus_SDHC_TransferDataFailed Transfer data failed. + * @retval kStatus_Success Operate successfully. + */ +status_t SDHC_TransferBlocking(SDHC_Type *base, + uint32_t *admaTable, + uint32_t admaTableWords, + sdhc_transfer_t *transfer); + +/*! + * @brief Creates the SDHC handle. + * + * @param base SDHC peripheral base address. + * @param handle SDHC handle pointer. + * @param callback Structure pointer to contain all callback functions. + * @param userData Callback function parameter. + */ +void SDHC_TransferCreateHandle(SDHC_Type *base, + sdhc_handle_t *handle, + const sdhc_transfer_callback_t *callback, + void *userData); + +/*! + * @brief Transfers the command/data using an interrupt and an asynchronous method. + * + * This function sends a command and data and returns immediately. It doesn't wait the transfer complete or encounter an + * error. + * This function support non word align data addr transfer support, if data buffer addr is not align in DMA mode, + * the API will continue finish the transfer by polling IO directly + * The application must not call this API in multiple threads at the same time. Because of that this API doesn't support + * the re-entry mechanism. + * + * @note Call the API 'SDHC_TransferCreateHandle' when calling this API. + * + * @param base SDHC peripheral base address. + * @param handle SDHC handle. + * @param admaTable ADMA table address, can't be null if transfer way is ADMA1/ADMA2. + * @param admaTableWords ADMA table length united as words, can't be 0 if transfer way is ADMA1/ADMA2. + * @param transfer Transfer content. + * @retval kStatus_InvalidArgument Argument is invalid. + * @retval kStatus_SDHC_BusyTransferring Busy transferring. + * @retval kStatus_SDHC_PrepareAdmaDescriptorFailed Prepare ADMA descriptor failed. + * @retval kStatus_Success Operate successfully. + */ +status_t SDHC_TransferNonBlocking( + SDHC_Type *base, sdhc_handle_t *handle, uint32_t *admaTable, uint32_t admaTableWords, sdhc_transfer_t *transfer); + +/*! + * @brief IRQ handler for the SDHC. + * + * This function deals with the IRQs on the given host controller. + * + * @param base SDHC peripheral base address. + * @param handle SDHC handle. + */ +void SDHC_TransferHandleIRQ(SDHC_Type *base, sdhc_handle_t *handle); + +/* @} */ + +#if defined(__cplusplus) +} +#endif +/*! @} */ + +#endif /* _FSL_SDHC_H_*/ |