768 lines
26 KiB
C
768 lines
26 KiB
C
/*
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* The Clear BSD License
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* Copyright (c) 2016, Freescale Semiconductor, Inc.
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* All rights reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted (subject to the limitations in the disclaimer below) provided
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* that the following conditions are met:
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*
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* o Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* o Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _FSL_SPDIF_H_
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#define _FSL_SPDIF_H_
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#include "fsl_common.h"
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/*!
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* @addtogroup spdif
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* @{
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*/
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/*! @name Driver version */
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/*@{*/
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#define FSL_SPDIF_DRIVER_VERSION (MAKE_VERSION(2, 0, 0)) /*!< Version 2.0.0 */
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/*@}*/
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/*! @brief SPDIF return status*/
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enum _spdif_status_t
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{
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kStatus_SPDIF_RxDPLLLocked = MAKE_STATUS(kStatusGroup_SPDIF, 0), /*!< SPDIF Rx PLL locked. */
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kStatus_SPDIF_TxFIFOError = MAKE_STATUS(kStatusGroup_SPDIF, 1), /*!< SPDIF Tx FIFO error. */
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kStatus_SPDIF_TxFIFOResync = MAKE_STATUS(kStatusGroup_SPDIF, 2), /*!< SPDIF Tx left and right FIFO resync. */
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kStatus_SPDIF_RxCnew = MAKE_STATUS(kStatusGroup_SPDIF, 3), /*!< SPDIF Rx status channel value updated. */
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kStatus_SPDIF_ValidatyNoGood = MAKE_STATUS(kStatusGroup_SPDIF, 4), /*!< SPDIF validaty flag not good. */
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kStatus_SPDIF_RxIllegalSymbol = MAKE_STATUS(kStatusGroup_SPDIF, 5), /*!< SPDIF Rx receive illegal symbol. */
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kStatus_SPDIF_RxParityBitError = MAKE_STATUS(kStatusGroup_SPDIF, 6), /*!< SPDIF Rx parity bit error. */
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kStatus_SPDIF_UChannelOverrun = MAKE_STATUS(kStatusGroup_SPDIF, 7), /*!< SPDIF receive U channel overrun. */
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kStatus_SPDIF_QChannelOverrun = MAKE_STATUS(kStatusGroup_SPDIF, 8), /*!< SPDIF receive Q channel overrun. */
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kStatus_SPDIF_UQChannelSync = MAKE_STATUS(kStatusGroup_SPDIF, 9), /*!< SPDIF U/Q channel sync found. */
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kStatus_SPDIF_UQChannelFrameError = MAKE_STATUS(kStatusGroup_SPDIF, 10), /*!< SPDIF U/Q channel frame error. */
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kStatus_SPDIF_RxFIFOError = MAKE_STATUS(kStatusGroup_SPDIF, 11), /*!< SPDIF Rx FIFO error. */
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kStatus_SPDIF_RxFIFOResync = MAKE_STATUS(kStatusGroup_SPDIF, 12), /*!< SPDIF Rx left and right FIFO resync. */
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kStatus_SPDIF_LockLoss = MAKE_STATUS(kStatusGroup_SPDIF, 13), /*!< SPDIF Rx PLL clock lock loss. */
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kStatus_SPDIF_TxIdle = MAKE_STATUS(kStatusGroup_SPDIF, 14), /*!< SPDIF Tx is idle */
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kStatus_SPDIF_RxIdle = MAKE_STATUS(kStatusGroup_SPDIF, 15), /*!< SPDIF Rx is idle */
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kStatus_SPDIF_QueueFull = MAKE_STATUS(kStatusGroup_SPDIF, 16) /*!< SPDIF queue full */
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};
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/*! @brief SPDIF Rx FIFO full falg select, it decides when assert the rx full flag */
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typedef enum _spdif_rxfull_select
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{
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kSPDIF_RxFull1Sample = 0x0u, /*!< Rx full at least 1 sample in left and right FIFO */
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kSPDIF_RxFull4Samples, /*!< Rx full at least 4 sample in left and right FIFO*/
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kSPDIF_RxFull8Samples, /*!< Rx full at least 8 sample in left and right FIFO*/
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kSPDIF_RxFull16Samples, /*!< Rx full at least 16 sample in left and right FIFO*/
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} spdif_rxfull_select_t;
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/*! @brief SPDIF tx FIFO EMPTY falg select, it decides when assert the tx empty flag */
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typedef enum _spdif_txempty_select
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{
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kSPDIF_TxEmpty0Sample = 0x0u, /*!< Tx empty at most 0 sample in left and right FIFO */
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kSPDIF_TxEmpty4Samples, /*!< Tx empty at most 4 sample in left and right FIFO*/
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kSPDIF_TxEmpty8Samples, /*!< Tx empty at most 8 sample in left and right FIFO*/
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kSPDIF_TxEmpty12Samples, /*!< Tx empty at most 12 sample in left and right FIFO*/
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} spdif_txempty_select_t;
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/*! @brief SPDIF U channel source */
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typedef enum _spdif_uchannel_source
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{
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kSPDIF_NoUChannel = 0x0U, /*!< No embedded U channel */
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kSPDIF_UChannelFromRx = 0x1U, /*!< U channel from receiver, it is CD mode */
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kSPDIF_UChannelFromTx = 0x3U, /*!< U channel from on chip tx */
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} spdif_uchannel_source_t;
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/*! @brief SPDIF clock gain*/
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typedef enum _spdif_gain_select
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{
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kSPDIF_GAIN_24 = 0x0U, /*!< Gain select is 24 */
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kSPDIF_GAIN_16, /*!< Gain select is 16 */
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kSPDIF_GAIN_12, /*!< Gain select is 12 */
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kSPDIF_GAIN_8, /*!< Gain select is 8 */
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kSPDIF_GAIN_6, /*!< Gain select is 6 */
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kSPDIF_GAIN_4, /*!< Gain select is 4 */
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kSPDIF_GAIN_3, /*!< Gain select is 3 */
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} spdif_gain_select_t;
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/*! @brief SPDIF tx data source */
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typedef enum _spdif_tx_source
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{
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kSPDIF_txFromReceiver = 0x1U, /*!< Tx data directly through SPDIF receiver */
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kSPDIF_txNormal = 0x5U, /*!< Normal operation, data from processor */
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} spdif_tx_source_t;
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/*! @brief SPDIF tx data source */
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typedef enum _spdif_validity_config
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{
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kSPDIF_validityFlagAlwaysSet = 0x0U, /*!< Outgoing validity flags always set */
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kSPDIF_validityFlagAlwaysClear, /*!< Outgoing validity flags always clear */
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} spdif_validity_config_t;
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/*! @brief The SPDIF interrupt enable flag */
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enum _spdif_interrupt_enable_t
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{
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kSPDIF_RxDPLLLocked = SPDIF_SIE_LOCK_MASK, /*!< SPDIF DPLL locked */
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kSPDIF_TxFIFOError = SPDIF_SIE_TXUNOV_MASK, /*!< Tx FIFO underrun or overrun */
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kSPDIF_TxFIFOResync = SPDIF_SIE_TXRESYN_MASK, /*!< Tx FIFO left and right channel resync */
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kSPDIF_RxControlChannelChange = SPDIF_SIE_CNEW_MASK, /*!< SPDIF Rx control channel value changed */
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kSPDIF_ValidityFlagNoGood = SPDIF_SIE_VALNOGOOD_MASK, /*!< SPDIF validity flag no good */
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kSPDIF_RxIllegalSymbol = SPDIF_SIE_SYMERR_MASK, /*!< SPDIF receiver found illegal symbol */
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kSPDIF_RxParityBitError = SPDIF_SIE_BITERR_MASK, /*!< SPDIF receiver found parity bit error */
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kSPDIF_UChannelReceiveRegisterFull = SPDIF_SIE_URXFUL_MASK, /*!< SPDIF U channel revceive register full */
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kSPDIF_UChannelReceiveRegisterOverrun = SPDIF_SIE_URXOV_MASK, /*!< SPDIF U channel receive register overrun */
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kSPDIF_QChannelReceiveRegisterFull = SPDIF_SIE_QRXFUL_MASK, /*!< SPDIF Q channel receive reigster full */
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kSPDIF_QChannelReceiveRegisterOverrun = SPDIF_SIE_QRXOV_MASK, /*!< SPDIF Q channel receive register overrun */
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kSPDIF_UQChannelSync = SPDIF_SIE_UQSYNC_MASK, /*!< SPDIF U/Q channel sync found */
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kSPDIF_UQChannelFrameError = SPDIF_SIE_UQERR_MASK, /*!< SPDIF U/Q channel frame error */
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kSPDIF_RxFIFOError = SPDIF_SIE_RXFIFOUNOV_MASK, /*!< SPDIF Rx FIFO underrun/overrun */
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kSPDIF_RxFIFOResync = SPDIF_SIE_RXFIFORESYN_MASK, /*!< SPDIF Rx left and right FIFO resync */
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kSPDIF_LockLoss = SPDIF_SIE_LOCKLOSS_MASK, /*!< SPDIF receiver loss of lock */
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kSPDIF_TxFIFOEmpty = SPDIF_SIE_TXEM_MASK, /*!< SPDIF Tx FIFO empty */
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kSPDIF_RxFIFOFull = SPDIF_SIE_RXFIFOFUL_MASK /*!< SPDIF Rx FIFO full */
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};
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/*! @brief The DMA request sources */
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enum _spdif_dma_enable_t
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{
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kSPDIF_RxDMAEnable = SPDIF_SCR_DMA_RX_EN_MASK, /*!< Rx FIFO full */
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kSPDIF_TxDMAEnable = SPDIF_SCR_DMA_TX_EN_MASK, /*!< Tx FIFO empty */
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};
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/*! @brief SPDIF user configuration structure */
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typedef struct _spdif_config
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{
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bool isTxAutoSync; /*!< If auto sync mechanism open */
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bool isRxAutoSync; /*!< If auto sync mechanism open */
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uint8_t DPLLClkSource; /*!< SPDIF DPLL clock source, range from 0~15, meaning is chip-specific */
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uint8_t txClkSource; /*!< SPDIF tx clock source, range from 0~7, meaning is chip-specific */
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spdif_rxfull_select_t rxFullSelect; /*!< SPDIF rx buffer full select */
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spdif_txempty_select_t txFullSelect; /*!< SPDIF tx buffer empty select */
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spdif_uchannel_source_t uChannelSrc; /*!< U channel source */
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spdif_tx_source_t txSource; /*!< SPDIF tx data source */
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spdif_validity_config_t validityConfig; /*!< Validity flag config */
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spdif_gain_select_t gain; /*!< Rx receive clock measure gain parameter. */
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} spdif_config_t;
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/*!@brief SPDIF transfer queue size, user can refine it according to use case. */
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#define SPDIF_XFER_QUEUE_SIZE (4)
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/*! @brief SPDIF transfer structure */
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typedef struct _spdif_transfer
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{
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uint8_t *data; /*!< Data start address to transfer. */
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uint8_t *qdata; /*!< Data buffer for Q channel */
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uint8_t *udata; /*!< Data buffer for C channel */
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size_t dataSize; /*!< Transfer size. */
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} spdif_transfer_t;
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typedef struct _spdif_handle spdif_handle_t;
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/*! @brief SPDIF transfer callback prototype */
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typedef void (*spdif_transfer_callback_t)(SPDIF_Type *base, spdif_handle_t *handle, status_t status, void *userData);
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/*! @brief SPDIF handle structure */
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struct _spdif_handle
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{
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uint32_t state; /*!< Transfer status */
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spdif_transfer_callback_t callback; /*!< Callback function called at transfer event*/
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void *userData; /*!< Callback parameter passed to callback function*/
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spdif_transfer_t spdifQueue[SPDIF_XFER_QUEUE_SIZE]; /*!< Transfer queue storing queued transfer */
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size_t transferSize[SPDIF_XFER_QUEUE_SIZE]; /*!< Data bytes need to transfer */
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volatile uint8_t queueUser; /*!< Index for user to queue transfer */
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volatile uint8_t queueDriver; /*!< Index for driver to get the transfer data and size */
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uint8_t watermark; /*!< Watermark value */
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};
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/*******************************************************************************
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* API
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******************************************************************************/
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#if defined(__cplusplus)
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extern "C" {
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#endif /*_cplusplus*/
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/*!
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* @name Initialization and deinitialization
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* @{
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*/
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/*!
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* @brief Initializes the SPDIF peripheral.
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*
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* Ungates the SPDIF clock, resets the module, and configures SPDIF with a configuration structure.
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* The configuration structure can be custom filled or set with default values by
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* SPDIF_GetDefaultConfig().
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*
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* @note This API should be called at the beginning of the application to use
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* the SPDIF driver. Otherwise, accessing the SPDIF module can cause a hard fault
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* because the clock is not enabled.
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*
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* @param base SPDIF base pointer
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* @param config SPDIF configuration structure.
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*/
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void SPDIF_Init(SPDIF_Type *base, const spdif_config_t *config);
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/*!
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* @brief Sets the SPDIF configuration structure to default values.
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*
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* This API initializes the configuration structure for use in SPDIF_Init.
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* The initialized structure can remain unchanged in SPDIF_Init, or it can be modified
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* before calling SPDIF_Init.
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* This is an example.
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@code
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spdif_config_t config;
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SPDIF_GetDefaultConfig(&config);
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@endcode
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*
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* @param config pointer to master configuration structure
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*/
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void SPDIF_GetDefaultConfig(spdif_config_t *config);
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/*!
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* @brief De-initializes the SPDIF peripheral.
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*
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* This API gates the SPDIF clock. The SPDIF module can't operate unless SPDIF_Init is called to enable the clock.
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*
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* @param base SPDIF base pointer
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*/
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void SPDIF_Deinit(SPDIF_Type *base);
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/*!
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* @brief Resets the SPDIF Tx.
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*
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* This function makes Tx FIFO in reset mode.
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*
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* @param base SPDIF base pointer
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*/
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static inline void SPDIF_TxFIFOReset(SPDIF_Type *base)
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{
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base->SCR |= SPDIF_SCR_RXFIFO_RST_MASK;
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}
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/*!
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* @brief Resets the SPDIF Rx.
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*
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* This function enables the software reset and FIFO reset of SPDIF Rx. After reset, clear the reset bit.
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*
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* @param base SPDIF base pointer
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*/
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static inline void SPDIF_RxFIFOReset(SPDIF_Type *base)
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{
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base->SCR |= SPDIF_SCR_RXFIFO_RST_MASK;
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}
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/*!
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* @brief Enables/disables the SPDIF Tx.
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*
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* @param base SPDIF base pointer
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* @param enable True means enable SPDIF Tx, false means disable.
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*/
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void SPDIF_TxEnable(SPDIF_Type *base, bool enable);
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/*!
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* @brief Enables/disables the SPDIF Rx.
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*
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* @param base SPDIF base pointer
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* @param enable True means enable SPDIF Rx, false means disable.
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*/
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static inline void SPDIF_RxEnable(SPDIF_Type *base, bool enable)
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{
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if (enable)
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{
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/* Open Rx FIFO */
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base->SCR &= ~(SPDIF_SCR_RXFIFO_CTRL_MASK | SPDIF_SCR_RXFIFO_OFF_ON_MASK);
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}
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else
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{
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base->SCR |= SPDIF_SCR_RXFIFO_OFF_ON_MASK;
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}
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}
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/*! @} */
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/*!
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* @name Status
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* @{
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*/
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/*!
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* @brief Gets the SPDIF status flag state.
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*
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* @param base SPDIF base pointer
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* @return SPDIF status flag value. Use the _spdif_interrupt_enable_t to get the status value needed.
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*/
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static inline uint32_t SPDIF_GetStatusFlag(SPDIF_Type *base)
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{
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return base->SIS;
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}
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/*!
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* @brief Clears the SPDIF status flag state.
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*
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* @param base SPDIF base pointer
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* @param mask State mask. It can be a combination of the _spdif_interrupt_enable_t member. Notice these members
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* cannot be included, as these flags cannot be cleared by writing 1 to these bits:
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* @arg kSPDIF_UChannelReceiveRegisterFull
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* @arg kSPDIF_QChannelReceiveRegisterFull
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* @arg kSPDIF_TxFIFOEmpty
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* @arg kSPDIF_RxFIFOFull
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*/
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static inline void SPDIF_ClearStatusFlags(SPDIF_Type *base, uint32_t mask)
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{
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base->SIC = mask;
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}
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/*! @} */
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/*!
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* @name Interrupts
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* @{
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*/
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/*!
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* @brief Enables the SPDIF Tx interrupt requests.
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*
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* @param base SPDIF base pointer
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* @param mask interrupt source
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* The parameter can be a combination of the following sources if defined.
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* @arg kSPDIF_WordStartInterruptEnable
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* @arg kSPDIF_SyncErrorInterruptEnable
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* @arg kSPDIF_FIFOWarningInterruptEnable
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* @arg kSPDIF_FIFORequestInterruptEnable
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* @arg kSPDIF_FIFOErrorInterruptEnable
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*/
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static inline void SPDIF_EnableInterrupts(SPDIF_Type *base, uint32_t mask)
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{
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base->SIE |= mask;
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}
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/*!
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* @brief Disables the SPDIF Tx interrupt requests.
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*
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* @param base SPDIF base pointer
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* @param mask interrupt source
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* The parameter can be a combination of the following sources if defined.
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* @arg kSPDIF_WordStartInterruptEnable
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* @arg kSPDIF_SyncErrorInterruptEnable
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* @arg kSPDIF_FIFOWarningInterruptEnable
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* @arg kSPDIF_FIFORequestInterruptEnable
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* @arg kSPDIF_FIFOErrorInterruptEnable
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*/
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static inline void SPDIF_DisableInterrupts(SPDIF_Type *base, uint32_t mask)
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{
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base->SIE &= ~mask;
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}
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/*! @} */
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/*!
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* @name DMA Control
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* @{
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*/
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/*!
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* @brief Enables/disables the SPDIF DMA requests.
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* @param base SPDIF base pointer
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* @param mask SPDIF DMA enable mask, The parameter can be a combination of the following sources if defined
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* @arg kSPDIF_RxDMAEnable
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* @arg kSPDIF_TxDMAEnable
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* @param enable True means enable DMA, false means disable DMA.
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*/
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static inline void SPDIF_EnableDMA(SPDIF_Type *base, uint32_t mask, bool enable)
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{
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if (enable)
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{
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base->SCR |= mask;
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}
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else
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{
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base->SCR &= ~mask;
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}
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}
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/*!
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* @brief Gets the SPDIF Tx left data register address.
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*
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* This API is used to provide a transfer address for the SPDIF DMA transfer configuration.
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*
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* @param base SPDIF base pointer.
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* @return data register address.
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*/
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static inline uint32_t SPDIF_TxGetLeftDataRegisterAddress(SPDIF_Type *base)
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{
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return (uint32_t)(&(base->STL));
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}
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/*!
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* @brief Gets the SPDIF Tx right data register address.
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*
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* This API is used to provide a transfer address for the SPDIF DMA transfer configuration.
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*
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* @param base SPDIF base pointer.
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* @return data register address.
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*/
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static inline uint32_t SPDIF_TxGetRightDataRegisterAddress(SPDIF_Type *base)
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{
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return (uint32_t)(&(base->STR));
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}
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/*!
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* @brief Gets the SPDIF Rx left data register address.
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*
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* This API is used to provide a transfer address for the SPDIF DMA transfer configuration.
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*
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* @param base SPDIF base pointer.
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|
* @return data register address.
|
|
*/
|
|
static inline uint32_t SPDIF_RxGetLeftDataRegisterAddress(SPDIF_Type *base)
|
|
{
|
|
return (uint32_t)(&(base->SRL));
|
|
}
|
|
|
|
/*!
|
|
* @brief Gets the SPDIF Rx right data register address.
|
|
*
|
|
* This API is used to provide a transfer address for the SPDIF DMA transfer configuration.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @return data register address.
|
|
*/
|
|
static inline uint32_t SPDIF_RxGetRightDataRegisterAddress(SPDIF_Type *base)
|
|
{
|
|
return (uint32_t)(&(base->SRR));
|
|
}
|
|
|
|
/*! @} */
|
|
|
|
/*!
|
|
* @name Bus Operations
|
|
* @{
|
|
*/
|
|
|
|
/*!
|
|
* @brief Configures the SPDIF Tx sample rate.
|
|
*
|
|
* The audio format can be changed at run-time. This function configures the sample rate.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param sampleRate_Hz SPDIF sample rate frequency in Hz.
|
|
* @param sourceClockFreq_Hz SPDIF tx clock source frequency in Hz.
|
|
*/
|
|
void SPDIF_TxSetSampleRate(SPDIF_Type *base, uint32_t sampleRate_Hz, uint32_t sourceClockFreq_Hz);
|
|
|
|
/*!
|
|
* @brief Configures the SPDIF Rx audio format.
|
|
*
|
|
* The audio format can be changed at run-time. This function configures the sample rate and audio data
|
|
* format to be transferred.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param clockSourceFreq_Hz SPDIF system clock frequency in hz.
|
|
*/
|
|
uint32_t SPDIF_GetRxSampleRate(SPDIF_Type *base, uint32_t clockSourceFreq_Hz);
|
|
|
|
/*!
|
|
* @brief Sends data using a blocking method.
|
|
*
|
|
* @note This function blocks by polling until data is ready to be sent.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param buffer Pointer to the data to be written.
|
|
* @param size Bytes to be written.
|
|
*/
|
|
void SPDIF_WriteBlocking(SPDIF_Type *base, uint8_t *buffer, uint32_t size);
|
|
|
|
/*!
|
|
* @brief Writes data into SPDIF FIFO.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param data Data needs to be written.
|
|
*/
|
|
static inline void SPDIF_WriteLeftData(SPDIF_Type *base, uint32_t data)
|
|
{
|
|
base->STL = data;
|
|
}
|
|
|
|
/*!
|
|
* @brief Writes data into SPDIF FIFO.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param data Data needs to be written.
|
|
*/
|
|
static inline void SPDIF_WriteRightData(SPDIF_Type *base, uint32_t data)
|
|
{
|
|
base->STR = data;
|
|
}
|
|
|
|
/*!
|
|
* @brief Writes data into SPDIF FIFO.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param data Data needs to be written.
|
|
*/
|
|
static inline void SPDIF_WriteChannelStatusHigh(SPDIF_Type *base, uint32_t data)
|
|
{
|
|
base->STCSCH = data;
|
|
}
|
|
|
|
/*!
|
|
* @brief Writes data into SPDIF FIFO.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param data Data needs to be written.
|
|
*/
|
|
static inline void SPDIF_WriteChannelStatusLow(SPDIF_Type *base, uint32_t data)
|
|
{
|
|
base->STCSCL = data;
|
|
}
|
|
|
|
/*!
|
|
* @brief Receives data using a blocking method.
|
|
*
|
|
* @note This function blocks by polling until data is ready to be sent.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param buffer Pointer to the data to be read.
|
|
* @param size Bytes to be read.
|
|
*/
|
|
void SPDIF_ReadBlocking(SPDIF_Type *base, uint8_t *buffer, uint32_t size);
|
|
|
|
/*!
|
|
* @brief Reads data from the SPDIF FIFO.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @return Data in SPDIF FIFO.
|
|
*/
|
|
static inline uint32_t SPDIF_ReadLeftData(SPDIF_Type *base)
|
|
{
|
|
return base->SRL;
|
|
}
|
|
|
|
/*!
|
|
* @brief Reads data from the SPDIF FIFO.
|
|
*.
|
|
|
|
* @param base SPDIF base pointer.
|
|
* @return Data in SPDIF FIFO.
|
|
*/
|
|
static inline uint32_t SPDIF_ReadRightData(SPDIF_Type *base)
|
|
{
|
|
return base->SRR;
|
|
}
|
|
|
|
/*!
|
|
* @brief Reads data from the SPDIF FIFO.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @return Data in SPDIF FIFO.
|
|
*/
|
|
static inline uint32_t SPDIF_ReadChannelStatusHigh(SPDIF_Type *base)
|
|
{
|
|
return base->SRCSH;
|
|
}
|
|
|
|
/*!
|
|
* @brief Reads data from the SPDIF FIFO.
|
|
*.
|
|
|
|
* @param base SPDIF base pointer.
|
|
* @return Data in SPDIF FIFO.
|
|
*/
|
|
static inline uint32_t SPDIF_ReadChannelStatusLow(SPDIF_Type *base)
|
|
{
|
|
return base->SRCSL;
|
|
}
|
|
|
|
/*!
|
|
* @brief Reads data from the SPDIF FIFO.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @return Data in SPDIF FIFO.
|
|
*/
|
|
static inline uint32_t SPDIF_ReadQChannel(SPDIF_Type *base)
|
|
{
|
|
return base->SRQ;
|
|
}
|
|
|
|
/*!
|
|
* @brief Reads data from the SPDIF FIFO.
|
|
*.
|
|
|
|
* @param base SPDIF base pointer.
|
|
* @return Data in SPDIF FIFO.
|
|
*/
|
|
static inline uint32_t SPDIF_ReadUChannel(SPDIF_Type *base)
|
|
{
|
|
return base->SRU;
|
|
}
|
|
|
|
/*! @} */
|
|
|
|
/*!
|
|
* @name Transactional
|
|
* @{
|
|
*/
|
|
|
|
/*!
|
|
* @brief Initializes the SPDIF Tx handle.
|
|
*
|
|
* This function initializes the Tx handle for the SPDIF Tx transactional APIs. Call
|
|
* this function once to get the handle initialized.
|
|
*
|
|
* @param base SPDIF base pointer
|
|
* @param handle SPDIF handle pointer.
|
|
* @param callback Pointer to the user callback function.
|
|
* @param userData User parameter passed to the callback function
|
|
*/
|
|
void SPDIF_TransferTxCreateHandle(SPDIF_Type *base,
|
|
spdif_handle_t *handle,
|
|
spdif_transfer_callback_t callback,
|
|
void *userData);
|
|
|
|
/*!
|
|
* @brief Initializes the SPDIF Rx handle.
|
|
*
|
|
* This function initializes the Rx handle for the SPDIF Rx transactional APIs. Call
|
|
* this function once to get the handle initialized.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param handle SPDIF handle pointer.
|
|
* @param callback Pointer to the user callback function.
|
|
* @param userData User parameter passed to the callback function.
|
|
*/
|
|
void SPDIF_TransferRxCreateHandle(SPDIF_Type *base,
|
|
spdif_handle_t *handle,
|
|
spdif_transfer_callback_t callback,
|
|
void *userData);
|
|
|
|
/*!
|
|
* @brief Performs an interrupt non-blocking send transfer on SPDIF.
|
|
*
|
|
* @note This API returns immediately after the transfer initiates.
|
|
* Call the SPDIF_TxGetTransferStatusIRQ to poll the transfer status and check whether
|
|
* the transfer is finished. If the return status is not kStatus_SPDIF_Busy, the transfer
|
|
* is finished.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param handle Pointer to the spdif_handle_t structure which stores the transfer state.
|
|
* @param xfer Pointer to the spdif_transfer_t structure.
|
|
* @retval kStatus_Success Successfully started the data receive.
|
|
* @retval kStatus_SPDIF_TxBusy Previous receive still not finished.
|
|
* @retval kStatus_InvalidArgument The input parameter is invalid.
|
|
*/
|
|
status_t SPDIF_TransferSendNonBlocking(SPDIF_Type *base, spdif_handle_t *handle, spdif_transfer_t *xfer);
|
|
|
|
/*!
|
|
* @brief Performs an interrupt non-blocking receive transfer on SPDIF.
|
|
*
|
|
* @note This API returns immediately after the transfer initiates.
|
|
* Call the SPDIF_RxGetTransferStatusIRQ to poll the transfer status and check whether
|
|
* the transfer is finished. If the return status is not kStatus_SPDIF_Busy, the transfer
|
|
* is finished.
|
|
*
|
|
* @param base SPDIF base pointer
|
|
* @param handle Pointer to the spdif_handle_t structure which stores the transfer state.
|
|
* @param xfer Pointer to the spdif_transfer_t structure.
|
|
* @retval kStatus_Success Successfully started the data receive.
|
|
* @retval kStatus_SPDIF_RxBusy Previous receive still not finished.
|
|
* @retval kStatus_InvalidArgument The input parameter is invalid.
|
|
*/
|
|
status_t SPDIF_TransferReceiveNonBlocking(SPDIF_Type *base, spdif_handle_t *handle, spdif_transfer_t *xfer);
|
|
|
|
/*!
|
|
* @brief Gets a set byte count.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param handle Pointer to the spdif_handle_t structure which stores the transfer state.
|
|
* @param count Bytes count sent.
|
|
* @retval kStatus_Success Succeed get the transfer count.
|
|
* @retval kStatus_NoTransferInProgress There is not a non-blocking transaction currently in progress.
|
|
*/
|
|
status_t SPDIF_TransferGetSendCount(SPDIF_Type *base, spdif_handle_t *handle, size_t *count);
|
|
|
|
/*!
|
|
* @brief Gets a received byte count.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param handle Pointer to the spdif_handle_t structure which stores the transfer state.
|
|
* @param count Bytes count received.
|
|
* @retval kStatus_Success Succeed get the transfer count.
|
|
* @retval kStatus_NoTransferInProgress There is not a non-blocking transaction currently in progress.
|
|
*/
|
|
status_t SPDIF_TransferGetReceiveCount(SPDIF_Type *base, spdif_handle_t *handle, size_t *count);
|
|
|
|
/*!
|
|
* @brief Aborts the current send.
|
|
*
|
|
* @note This API can be called any time when an interrupt non-blocking transfer initiates
|
|
* to abort the transfer early.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param handle Pointer to the spdif_handle_t structure which stores the transfer state.
|
|
*/
|
|
void SPDIF_TransferAbortSend(SPDIF_Type *base, spdif_handle_t *handle);
|
|
|
|
/*!
|
|
* @brief Aborts the current IRQ receive.
|
|
*
|
|
* @note This API can be called when an interrupt non-blocking transfer initiates
|
|
* to abort the transfer early.
|
|
*
|
|
* @param base SPDIF base pointer
|
|
* @param handle Pointer to the spdif_handle_t structure which stores the transfer state.
|
|
*/
|
|
void SPDIF_TransferAbortReceive(SPDIF_Type *base, spdif_handle_t *handle);
|
|
|
|
/*!
|
|
* @brief Tx interrupt handler.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param handle Pointer to the spdif_handle_t structure.
|
|
*/
|
|
void SPDIF_TransferTxHandleIRQ(SPDIF_Type *base, spdif_handle_t *handle);
|
|
|
|
/*!
|
|
* @brief Tx interrupt handler.
|
|
*
|
|
* @param base SPDIF base pointer.
|
|
* @param handle Pointer to the spdif_handle_t structure.
|
|
*/
|
|
void SPDIF_TransferRxHandleIRQ(SPDIF_Type *base, spdif_handle_t *handle);
|
|
|
|
/*! @} */
|
|
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif /*_cplusplus*/
|
|
|
|
/*! @} */
|
|
|
|
#endif /* _FSL_SPDIF_H_ */
|