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Diffstat (limited to '')
| -rw-r--r-- | bsps/arm/imxrt/mcux-sdk/drivers/spdif/fsl_spdif.c | 849 |
1 files changed, 849 insertions, 0 deletions
diff --git a/bsps/arm/imxrt/mcux-sdk/drivers/spdif/fsl_spdif.c b/bsps/arm/imxrt/mcux-sdk/drivers/spdif/fsl_spdif.c new file mode 100644 index 0000000000..72f1c60563 --- /dev/null +++ b/bsps/arm/imxrt/mcux-sdk/drivers/spdif/fsl_spdif.c @@ -0,0 +1,849 @@ +/* + * Copyright 2017-2020 NXP + * All rights reserved. + * + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include "fsl_spdif.h" + +/* Component ID definition, used by tools. */ +#ifndef FSL_COMPONENT_ID +#define FSL_COMPONENT_ID "platform.drivers.spdif" +#endif + +/******************************************************************************* + * Definitations + ******************************************************************************/ +/*! @brief spdif transfer state. */ +enum +{ + kSPDIF_Busy = 0x0U, /*!< SPDIF is busy */ + kSPDIF_Idle, /*!< Transfer is done. */ + kSPDIF_Error /*!< Transfer error occurred. */ +}; + +/*! @brief Typedef for spdif tx interrupt handler. */ +typedef void (*spdif_isr_t)(SPDIF_Type *base, spdif_handle_t *handle); +/******************************************************************************* + * Prototypes + ******************************************************************************/ + +/******************************************************************************* + * Variables + ******************************************************************************/ +/* Base pointer array */ +static SPDIF_Type *const s_spdifBases[] = SPDIF_BASE_PTRS; +/*! @brief SPDIF handle pointer */ +static spdif_handle_t *s_spdifHandle[ARRAY_SIZE(s_spdifBases)][2]; +/* IRQ number array */ +static const IRQn_Type s_spdifIRQ[] = SPDIF_IRQS; +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) +/* Clock name array */ +static const clock_ip_name_t s_spdifClock[] = SPDIF_CLOCKS; +#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ +/*! @brief Pointer to IRQ handler for each instance. */ +static spdif_isr_t s_spdifTxIsr; +/*! @brief Pointer to IRQ handler for each instance. */ +static spdif_isr_t s_spdifRxIsr; +/*! @brief Used for spdif gain */ +static uint8_t s_spdif_gain[8] = {24U, 16U, 12U, 8U, 6U, 4U, 3U, 1U}; +static uint8_t s_spdif_tx_watermark[4] = {16, 12, 8, 4}; +static uint8_t s_spdif_rx_watermark[4] = {1, 4, 8, 16}; + +/******************************************************************************* + * Code + ******************************************************************************/ +uint32_t SPDIF_GetInstance(SPDIF_Type *base) +{ + uint32_t instance; + + /* Find the instance index from base address mappings. */ + for (instance = 0; instance < ARRAY_SIZE(s_spdifBases); instance++) + { + if (s_spdifBases[instance] == base) + { + break; + } + } + + assert(instance < ARRAY_SIZE(s_spdifBases)); + + return instance; +} + +/*! + * brief Initializes the SPDIF peripheral. + * + * Ungates the SPDIF clock, resets the module, and configures SPDIF with a configuration structure. + * The configuration structure can be custom filled or set with default values by + * SPDIF_GetDefaultConfig(). + * + * note This API should be called at the beginning of the application to use + * the SPDIF driver. Otherwise, accessing the SPDIF module can cause a hard fault + * because the clock is not enabled. + * + * param base SPDIF base pointer + * param config SPDIF configuration structure. + */ +void SPDIF_Init(SPDIF_Type *base, const spdif_config_t *config) +{ + uint32_t val = 0; + +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) + /* Enable the SPDIF clock */ + CLOCK_EnableClock(s_spdifClock[SPDIF_GetInstance(base)]); +#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ + + /* Reset the internal logic */ + base->SCR |= SPDIF_SCR_SOFT_RESET_MASK; + + /* Waiting for reset finish */ + while ((base->SCR & SPDIF_SCR_SOFT_RESET_MASK) != 0x00U) + { + } + + /* Setting the SPDIF settings */ + base->SCR = SPDIF_SCR_RXFIFOFULL_SEL(config->rxFullSelect) | SPDIF_SCR_RXAUTOSYNC(config->isRxAutoSync) | + SPDIF_SCR_TXAUTOSYNC(config->isRxAutoSync) | SPDIF_SCR_TXFIFOEMPTY_SEL(config->txFullSelect) | + SPDIF_SCR_TXFIFO_CTRL(1U) | SPDIF_SCR_VALCTRL(config->validityConfig) | + SPDIF_SCR_TXSEL(config->txSource) | SPDIF_SCR_USRC_SEL(config->uChannelSrc); + + /* Set DPLL clock source */ + base->SRPC = SPDIF_SRPC_CLKSRC_SEL(config->DPLLClkSource) | SPDIF_SRPC_GAINSEL(config->gain); + + /* Set SPDIF tx clock source */ + val = base->STC & ~SPDIF_STC_TXCLK_SOURCE_MASK; + val |= SPDIF_STC_TXCLK_SOURCE(config->txClkSource); + base->STC = val; + + /* clear and diable all the interrupt */ + base->SIC = (uint32_t)kSPDIF_AllInterrupt; + base->SIE &= ~(uint32_t)kSPDIF_AllInterrupt; +} + +/*! + * brief De-initializes the SPDIF peripheral. + * + * This API gates the SPDIF clock. The SPDIF module can't operate unless SPDIF_Init is called to enable the clock. + * + * param base SPDIF base pointer + */ +void SPDIF_Deinit(SPDIF_Type *base) +{ + SPDIF_TxEnable(base, false); + SPDIF_RxEnable(base, false); +#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) + CLOCK_DisableClock(s_spdifClock[SPDIF_GetInstance(base)]); +#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */ +} + +/*! + * brief Sets the SPDIF configuration structure to default values. + * + * This API initializes the configuration structure for use in SPDIF_Init. + * The initialized structure can remain unchanged in SPDIF_Init, or it can be modified + * before calling SPDIF_Init. + * This is an example. + code + spdif_config_t config; + SPDIF_GetDefaultConfig(&config); + endcode + * + * param config pointer to master configuration structure + */ +void SPDIF_GetDefaultConfig(spdif_config_t *config) +{ + /* Initializes the configure structure to zero. */ + (void)memset(config, 0, sizeof(*config)); + + config->isTxAutoSync = true; + config->isRxAutoSync = true; + config->DPLLClkSource = 1; + config->txClkSource = 1; + config->rxFullSelect = kSPDIF_RxFull8Samples; + config->txFullSelect = kSPDIF_TxEmpty8Samples; + config->uChannelSrc = kSPDIF_UChannelFromTx; + config->txSource = kSPDIF_txNormal; + config->validityConfig = kSPDIF_validityFlagAlwaysClear; + config->gain = kSPDIF_GAIN_8; +} + +/*! + * brief Enables/disables the SPDIF Tx. + * + * param base SPDIF base pointer + * param enable True means enable SPDIF Tx, false means disable. + */ +void SPDIF_TxEnable(SPDIF_Type *base, bool enable) +{ + uint32_t val = 0; + + if (enable) + { + /* Open Tx FIFO */ + val = base->SCR & (~SPDIF_SCR_TXFIFO_CTRL_MASK); + val |= SPDIF_SCR_TXFIFO_CTRL(1U); + base->SCR = val; + /* Enable transfer clock */ + base->STC |= SPDIF_STC_TX_ALL_CLK_EN_MASK; + } + else + { + base->SCR &= ~(SPDIF_SCR_TXFIFO_CTRL_MASK | SPDIF_SCR_TXSEL_MASK); + /* Disable transfer clock */ + base->STC &= ~SPDIF_STC_TX_ALL_CLK_EN_MASK; + } +} + +/*! + * 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) +{ + uint32_t clkDiv = sourceClockFreq_Hz / (sampleRate_Hz * 64U); + uint32_t mod = sourceClockFreq_Hz % (sampleRate_Hz * 64U); + uint32_t val = 0; + uint8_t clockSource = (uint8_t)(((base->STC) & SPDIF_STC_TXCLK_SOURCE_MASK) >> SPDIF_STC_TXCLK_SOURCE_SHIFT); + + /* Compute the nearest divider */ + if (mod > ((sampleRate_Hz * 64U) / 2U)) + { + clkDiv += 1U; + } + + /* If use divided systeme clock */ + if (clockSource == 5U) + { + if (clkDiv > 256U) + { + val = base->STC & (~(SPDIF_STC_TXCLK_DF_MASK | SPDIF_STC_SYSCLK_DF_MASK)); + val |= SPDIF_STC_SYSCLK_DF((clkDiv / 128U) - 1U) | SPDIF_STC_TXCLK_DF(127U); + base->STC = val; + } + else + { + val = base->STC & (~(SPDIF_STC_TXCLK_DF_MASK | SPDIF_STC_SYSCLK_DF_MASK)); + val |= SPDIF_STC_SYSCLK_DF(1U) | SPDIF_STC_TXCLK_DF(clkDiv - 1U); + base->STC = val; + } + } + else + { + /* Other clock only uses txclk div */ + val = base->STC & (~(SPDIF_STC_TXCLK_DF_MASK | SPDIF_STC_SYSCLK_DF_MASK)); + val |= SPDIF_STC_TXCLK_DF(clkDiv - 1U); + base->STC = val; + } +} + +/*! + * 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) +{ + uint64_t gain = s_spdif_gain[((base->SRPC & SPDIF_SRPC_GAINSEL_MASK) >> SPDIF_SRPC_GAINSEL_SHIFT)]; + uint32_t measure = 0; + uint32_t sampleRate = 0; + uint64_t temp = 0; + + /* Wait the DPLL locked */ + while ((base->SRPC & SPDIF_SRPC_LOCK_MASK) == 0U) + { + } + + /* Get the measure value */ + measure = base->SRFM; + temp = (uint64_t)measure * (uint64_t)clockSourceFreq_Hz; + temp /= 1024U * 1024U * 128U * gain; + sampleRate = (uint32_t)temp; + + return sampleRate; +} + +/*! + * 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) +{ + assert(buffer != NULL); + assert((size % 6U) == 0U); + + uint32_t i = 0, j = 0, data = 0; + + while (i < size) + { + /* Wait until it can write data */ + while ((SPDIF_GetStatusFlag(base) & (uint32_t)kSPDIF_TxFIFOEmpty) == 0x00U) + { + } + + /* Write left channel data */ + for (j = 0; j < 3U; j++) + { + data |= ((uint32_t)(*buffer) << (j * 8U)); + buffer++; + } + SPDIF_WriteLeftData(base, data); + + /* Write right channel data */ + data = 0; + for (j = 0; j < 3U; j++) + { + data |= ((uint32_t)(*buffer) << (j * 8U)); + buffer++; + } + SPDIF_WriteRightData(base, data); + + i += 6U; + } +} + +/*! + * 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) +{ + assert(buffer != NULL); + assert((size % 6U) == 0U); + + uint32_t i = 0, j = 0, data = 0; + + while (i < size) + { + /* Wait until it can write data */ + while ((SPDIF_GetStatusFlag(base) & (uint32_t)kSPDIF_RxFIFOFull) == 0x00U) + { + } + + /* Write left channel data */ + data = SPDIF_ReadLeftData(base); + for (j = 0; j < 3U; j++) + { + *buffer = ((uint8_t)(data >> (j * 8U)) & 0xFFU); + buffer++; + } + + /* Write right channel data */ + data = SPDIF_ReadRightData(base); + for (j = 0; j < 3U; j++) + { + *buffer = ((uint8_t)(data >> (j * 8U)) & 0xFFU); + buffer++; + } + + i += 6U; + } +} + +/*! + * 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) +{ + assert(handle != NULL); + + /* Zero the handle */ + (void)memset(handle, 0, sizeof(*handle)); + + s_spdifHandle[SPDIF_GetInstance(base)][0] = handle; + + handle->callback = callback; + handle->userData = userData; + handle->watermark = + s_spdif_tx_watermark[(base->SCR & SPDIF_SCR_TXFIFOEMPTY_SEL_MASK) >> SPDIF_SCR_TXFIFOEMPTY_SEL_SHIFT]; + + /* Set the isr pointer */ + s_spdifTxIsr = SPDIF_TransferTxHandleIRQ; + + /* Enable Tx irq */ + (void)EnableIRQ(s_spdifIRQ[SPDIF_GetInstance(base)]); +} + +/*! + * 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) +{ + assert(handle != NULL); + + /* Zero the handle */ + (void)memset(handle, 0, sizeof(*handle)); + + s_spdifHandle[SPDIF_GetInstance(base)][1] = handle; + + handle->callback = callback; + handle->userData = userData; + handle->watermark = + s_spdif_rx_watermark[(base->SCR & SPDIF_SCR_RXFIFOFULL_SEL_MASK) >> SPDIF_SCR_RXFIFOFULL_SEL_SHIFT]; + + /* Set the isr pointer */ + s_spdifRxIsr = SPDIF_TransferRxHandleIRQ; + + /* Enable Rx irq */ + (void)EnableIRQ(s_spdifIRQ[SPDIF_GetInstance(base)]); +} + +/*! + * 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) +{ + assert(handle != NULL); + + /* Check if the queue is full */ + if (handle->spdifQueue[handle->queueUser].data != NULL) + { + return kStatus_SPDIF_QueueFull; + } + + /* Add into queue */ + handle->transferSize[handle->queueUser] = xfer->dataSize; + handle->spdifQueue[handle->queueUser].data = xfer->data; + handle->spdifQueue[handle->queueUser].dataSize = xfer->dataSize; + handle->queueUser = (handle->queueUser + 0x01U) % SPDIF_XFER_QUEUE_SIZE; + + /* Set the state to busy */ + handle->state = kSPDIF_Busy; + + /* Enable interrupt */ + SPDIF_EnableInterrupts(base, kSPDIF_TxFIFOEmpty); + + /* Enable Tx transfer */ + SPDIF_TxEnable(base, true); + + return kStatus_Success; +} + +/*! + * 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) +{ + assert(handle != NULL); + + uint32_t enableInterrupts = (uint32_t)kSPDIF_RxFIFOFull | (uint32_t)kSPDIF_RxControlChannelChange; + + /* Check if the queue is full */ + if (handle->spdifQueue[handle->queueUser].data != NULL) + { + return kStatus_SPDIF_QueueFull; + } + + /* Add into queue */ + handle->transferSize[handle->queueUser] = xfer->dataSize; + handle->spdifQueue[handle->queueUser].data = xfer->data; + handle->spdifQueue[handle->queueUser].dataSize = xfer->dataSize; + handle->spdifQueue[handle->queueUser].udata = xfer->udata; + handle->spdifQueue[handle->queueUser].qdata = xfer->qdata; + handle->queueUser = (handle->queueUser + 0x01U) % SPDIF_XFER_QUEUE_SIZE; + + /* Set state to busy */ + handle->state = kSPDIF_Busy; + + if (xfer->qdata != NULL) + { + enableInterrupts |= (uint32_t)kSPDIF_QChannelReceiveRegisterFull; + } + + if (xfer->udata != NULL) + { + enableInterrupts |= (uint32_t)kSPDIF_UChannelReceiveRegisterFull; + } + + /* Enable interrupt */ + SPDIF_EnableInterrupts(base, enableInterrupts); + + /* Enable Rx transfer */ + SPDIF_RxEnable(base, true); + + return kStatus_Success; +} + +/*! + * 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) +{ + assert(handle != NULL); + + status_t status = kStatus_Success; + uint8_t queueDriver = handle->queueDriver; + + if (handle->state != (uint32_t)kSPDIF_Busy) + { + status = kStatus_NoTransferInProgress; + } + else + { + *count = (handle->transferSize[queueDriver] - handle->spdifQueue[queueDriver].dataSize); + } + + return status; +} + +/*! + * 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) +{ + assert(handle != NULL); + + status_t status = kStatus_Success; + uint8_t queueDriver = handle->queueDriver; + + if (handle->state != (uint32_t)kSPDIF_Busy) + { + status = kStatus_NoTransferInProgress; + } + else + { + *count = (handle->transferSize[queueDriver] - handle->spdifQueue[queueDriver].dataSize); + } + + return status; +} + +/*! + * 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) +{ + assert(handle != NULL); + + /* Use FIFO request interrupt and fifo error */ + SPDIF_DisableInterrupts(base, kSPDIF_TxFIFOEmpty); + + handle->state = kSPDIF_Idle; + + /* Clear the queue */ + (void)memset(handle->spdifQueue, 0, sizeof(spdif_transfer_t) * SPDIF_XFER_QUEUE_SIZE); + handle->queueDriver = 0; + handle->queueUser = 0; +} + +/*! + * 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) +{ + assert(handle != NULL); + + /* Disable interrupt */ + SPDIF_DisableInterrupts(base, (uint32_t)kSPDIF_UChannelReceiveRegisterFull | + (uint32_t)kSPDIF_QChannelReceiveRegisterFull | (uint32_t)kSPDIF_RxFIFOFull | + (uint32_t)kSPDIF_RxControlChannelChange); + + handle->state = kSPDIF_Idle; + + /* Clear the queue */ + (void)memset(handle->spdifQueue, 0, sizeof(spdif_transfer_t) * SPDIF_XFER_QUEUE_SIZE); + handle->queueDriver = 0; + handle->queueUser = 0; +} + +/*! + * 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) +{ + assert(handle != NULL); + + uint8_t *buffer = handle->spdifQueue[handle->queueDriver].data; + uint8_t dataSize = 0; + uint32_t i = 0, j = 0, data = 0; + + /* Do Transfer */ + if (((SPDIF_GetStatusFlag(base) & (uint32_t)kSPDIF_TxFIFOEmpty) != 0x00U) && + ((base->SIE & (uint32_t)kSPDIF_TxFIFOEmpty) != 0x00U)) + { + dataSize = handle->watermark; + while (i < dataSize) + { + data = 0; + /* Write left channel data */ + for (j = 0; j < 3U; j++) + { + data |= ((uint32_t)(*buffer) << (j * 8U)); + buffer++; + } + SPDIF_WriteLeftData(base, data); + + /* Write right channel data */ + data = 0; + for (j = 0; j < 3U; j++) + { + data |= ((uint32_t)(*buffer) << (j * 8U)); + buffer++; + } + SPDIF_WriteRightData(base, data); + + i++; + } + handle->spdifQueue[handle->queueDriver].dataSize -= (uint32_t)dataSize * 6U; + handle->spdifQueue[handle->queueDriver].data += dataSize * 6U; + + /* If finished a block, call the callback function */ + if (handle->spdifQueue[handle->queueDriver].dataSize == 0U) + { + (void)memset(&handle->spdifQueue[handle->queueDriver], 0, sizeof(spdif_transfer_t)); + handle->queueDriver = (handle->queueDriver + 0x01U) % SPDIF_XFER_QUEUE_SIZE; + if (handle->callback != NULL) + { + (handle->callback)(base, handle, kStatus_SPDIF_TxIdle, handle->userData); + } + } + + /* If all data finished, just stop the transfer */ + if (handle->spdifQueue[handle->queueDriver].data == NULL) + { + SPDIF_TransferAbortSend(base, 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) +{ + assert(handle != NULL); + + uint8_t *buffer = NULL; + uint8_t dataSize = 0; + uint32_t i = 0, j = 0, data = 0; + + /* Handle Cnew flag */ + if ((SPDIF_GetStatusFlag(base) & (uint32_t)kSPDIF_RxControlChannelChange) != 0x00U) + { + /* Clear the interrupt flag */ + SPDIF_ClearStatusFlags(base, SPDIF_SIE_CNEW_MASK); + if (handle->callback != NULL) + { + (handle->callback)(base, handle, kStatus_SPDIF_RxCnew, handle->userData); + } + } + + /* Handle illegal symbol */ + if ((SPDIF_GetStatusFlag(base) & (uint32_t)kSPDIF_RxIllegalSymbol) != 0x00U) + { + SPDIF_ClearStatusFlags(base, kSPDIF_RxIllegalSymbol); + if (handle->callback != NULL) + { + (handle->callback)(base, handle, kStatus_SPDIF_RxIllegalSymbol, handle->userData); + } + } + + /* Handle Parity Bit Error */ + if ((SPDIF_GetStatusFlag(base) & (uint32_t)kSPDIF_RxParityBitError) != 0x00U) + { + SPDIF_ClearStatusFlags(base, kSPDIF_RxParityBitError); + if (handle->callback != NULL) + { + (handle->callback)(base, handle, kStatus_SPDIF_RxParityBitError, handle->userData); + } + } + + /* Handle DPlocked */ + if ((SPDIF_GetStatusFlag(base) & (uint32_t)kSPDIF_RxDPLLLocked) != 0x00U) + { + SPDIF_ClearStatusFlags(base, kSPDIF_RxDPLLLocked); + if (handle->callback != NULL) + { + (handle->callback)(base, handle, kStatus_SPDIF_RxDPLLLocked, handle->userData); + } + } + + /* Handle Q channel full flag */ + if (((SPDIF_GetStatusFlag(base) & (uint32_t)kSPDIF_QChannelReceiveRegisterFull) != 0x00U) && + ((base->SIE & (uint32_t)kSPDIF_QChannelReceiveRegisterFull) != 0x00U)) + { + buffer = handle->spdifQueue[handle->queueDriver].qdata; + if (buffer != NULL) + { + data = SPDIF_ReadQChannel(base); + buffer[0] = (uint8_t)data & 0xFFU; + buffer[1] = (uint8_t)(data >> 8U) & 0xFFU; + buffer[2] = (uint8_t)(data >> 16U) & 0xFFU; + } + } + + /* Handle U channel full flag */ + if (((SPDIF_GetStatusFlag(base) & (uint32_t)kSPDIF_UChannelReceiveRegisterFull) != 0x00U) && + ((base->SIE & (uint32_t)kSPDIF_UChannelReceiveRegisterFull) != 0x00U)) + { + buffer = handle->spdifQueue[handle->queueDriver].udata; + if (buffer != NULL) + { + data = SPDIF_ReadUChannel(base); + buffer[0] = (uint8_t)data & 0xFFU; + buffer[1] = (uint8_t)(data >> 8U) & 0xFFU; + buffer[2] = (uint8_t)(data >> 16U) & 0xFFU; + } + } + + /* Handle audio data transfer */ + if (((SPDIF_GetStatusFlag(base) & (uint32_t)kSPDIF_RxFIFOFull) != 0x00U) && + ((base->SIE & (uint32_t)kSPDIF_RxFIFOFull) != 0x00U)) + { + dataSize = handle->watermark; + buffer = handle->spdifQueue[handle->queueDriver].data; + while (i < dataSize) + { + /* Read left channel data */ + data = SPDIF_ReadLeftData(base); + for (j = 0; j < 3U; j++) + { + *buffer = (uint8_t)((data >> (j * 8U)) & 0xFFU); + buffer++; + } + + /* Read right channel data */ + data = SPDIF_ReadRightData(base); + for (j = 0; j < 3U; j++) + { + *buffer = (uint8_t)((data >> (j * 8U)) & 0xFFU); + buffer++; + } + + i++; + } + handle->spdifQueue[handle->queueDriver].dataSize -= (uint32_t)dataSize * 6U; + handle->spdifQueue[handle->queueDriver].data += dataSize * 6U; + + /* If finished a block, call the callback function */ + if (handle->spdifQueue[handle->queueDriver].dataSize == 0x00U) + { + (void)memset(&handle->spdifQueue[handle->queueDriver], 0, sizeof(spdif_transfer_t)); + handle->queueDriver = (handle->queueDriver + 0x01U) % SPDIF_XFER_QUEUE_SIZE; + if (handle->callback != NULL) + { + (handle->callback)(base, handle, kStatus_SPDIF_RxIdle, handle->userData); + } + } + + /* If all data finished, just stop the transfer */ + if (handle->spdifQueue[handle->queueDriver].data == NULL) + { + SPDIF_TransferAbortReceive(base, handle); + } + } +} + +#if defined(SPDIF) +void SPDIF_DriverIRQHandler(void); +void SPDIF_DriverIRQHandler(void) +{ + if ((s_spdifHandle[0][0] != NULL) && (s_spdifTxIsr != NULL)) + { + s_spdifTxIsr(SPDIF, s_spdifHandle[0][0]); + } + + if ((s_spdifHandle[0][1] != NULL) && (s_spdifRxIsr != NULL)) + { + s_spdifRxIsr(SPDIF, s_spdifHandle[0][1]); + } + SDK_ISR_EXIT_BARRIER; +} +#endif |