diff options
author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2018-10-30 16:31:29 +0100 |
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committer | Dominik Sliwa <dominik.sliwa@toradex.com> | 2018-10-31 11:54:38 +0100 |
commit | 56e86c626df3dbf74c1021210636a7c5d92a49ce (patch) | |
tree | 54ba9581ad14d838d8926e4e6d673befad1f932c /drivers/fsl_sai_edma.c | |
parent | 4dfc5493fec8f6290457446b0478695b153da60a (diff) |
move to cmakeapalis-tk1-k20-freertos-v9
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Diffstat (limited to 'drivers/fsl_sai_edma.c')
-rw-r--r-- | drivers/fsl_sai_edma.c | 379 |
1 files changed, 0 insertions, 379 deletions
diff --git a/drivers/fsl_sai_edma.c b/drivers/fsl_sai_edma.c deleted file mode 100644 index 9b1b2f6..0000000 --- a/drivers/fsl_sai_edma.c +++ /dev/null @@ -1,379 +0,0 @@ -/* - * Copyright (c) 2015, Freescale Semiconductor, Inc. - * All rights reserved. - * - * 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 Freescale Semiconductor, Inc. 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. - */ - -#include "fsl_sai_edma.h" - -/******************************************************************************* - * Definitations - ******************************************************************************/ -/* Used for 32byte aligned */ -#define STCD_ADDR(address) (edma_tcd_t *)(((uint32_t)address + 32) & ~0x1FU) - -/*<! Structure definition for uart_edma_private_handle_t. The structure is private. */ -typedef struct _sai_edma_private_handle -{ - I2S_Type *base; - sai_edma_handle_t *handle; -} sai_edma_private_handle_t; - -enum _sai_edma_transfer_state -{ - kSAI_Busy = 0x0U, /*!< SAI is busy */ - kSAI_Idle, /*!< Transfer is done. */ -}; - -/*<! Private handle only used for internally. */ -static sai_edma_private_handle_t s_edmaPrivateHandle[FSL_FEATURE_SOC_I2S_COUNT][2]; - -/******************************************************************************* - * Prototypes - ******************************************************************************/ -/*! - * @brief Get the instance number for SAI. - * - * @param base SAI base pointer. - */ -extern uint32_t SAI_GetInstance(I2S_Type *base); - -/*! - * @brief SAI EDMA callback for send. - * - * @param handle pointer to sai_edma_handle_t structure which stores the transfer state. - * @param userData Parameter for user callback. - * @param done If the DMA transfer finished. - * @param tcds The TCD index. - */ -static void SAI_TxEDMACallback(edma_handle_t *handle, void *userData, bool done, uint32_t tcds); - -/*! - * @brief SAI EDMA callback for receive. - * - * @param handle pointer to sai_edma_handle_t structure which stores the transfer state. - * @param userData Parameter for user callback. - * @param done If the DMA transfer finished. - * @param tcds The TCD index. - */ -static void SAI_RxEDMACallback(edma_handle_t *handle, void *userData, bool done, uint32_t tcds); - -/******************************************************************************* -* Code -******************************************************************************/ -static void SAI_TxEDMACallback(edma_handle_t *handle, void *userData, bool done, uint32_t tcds) -{ - sai_edma_private_handle_t *privHandle = (sai_edma_private_handle_t *)userData; - sai_edma_handle_t *saiHandle = privHandle->handle; - - /* If finished a blcok, call the callback function */ - memset(&saiHandle->saiQueue[saiHandle->queueDriver], 0, sizeof(sai_transfer_t)); - saiHandle->queueDriver = (saiHandle->queueDriver + 1) % SAI_XFER_QUEUE_SIZE; - if (saiHandle->callback) - { - (saiHandle->callback)(privHandle->base, saiHandle, kStatus_SAI_TxIdle, saiHandle->userData); - } - - /* If all data finished, just stop the transfer */ - if (saiHandle->saiQueue[saiHandle->queueDriver].data == NULL) - { - SAI_TransferAbortSendEDMA(privHandle->base, saiHandle); - } -} - -static void SAI_RxEDMACallback(edma_handle_t *handle, void *userData, bool done, uint32_t tcds) -{ - sai_edma_private_handle_t *privHandle = (sai_edma_private_handle_t *)userData; - sai_edma_handle_t *saiHandle = privHandle->handle; - - /* If finished a blcok, call the callback function */ - memset(&saiHandle->saiQueue[saiHandle->queueDriver], 0, sizeof(sai_transfer_t)); - saiHandle->queueDriver = (saiHandle->queueDriver + 1) % SAI_XFER_QUEUE_SIZE; - if (saiHandle->callback) - { - (saiHandle->callback)(privHandle->base, saiHandle, kStatus_SAI_RxIdle, saiHandle->userData); - } - - /* If all data finished, just stop the transfer */ - if (saiHandle->saiQueue[saiHandle->queueDriver].data == NULL) - { - SAI_TransferAbortReceiveEDMA(privHandle->base, saiHandle); - } -} - -void SAI_TransferTxCreateHandleEDMA( - I2S_Type *base, sai_edma_handle_t *handle, sai_edma_callback_t callback, void *userData, edma_handle_t *dmaHandle) -{ - assert(handle && dmaHandle); - - uint32_t instance = SAI_GetInstance(base); - - /* Set sai base to handle */ - handle->dmaHandle = dmaHandle; - handle->callback = callback; - handle->userData = userData; - - /* Set SAI state to idle */ - handle->state = kSAI_Idle; - - s_edmaPrivateHandle[instance][0].base = base; - s_edmaPrivateHandle[instance][0].handle = handle; - - /* Need to use scatter gather */ - EDMA_InstallTCDMemory(dmaHandle, STCD_ADDR(handle->tcd), SAI_XFER_QUEUE_SIZE); - - /* Install callback for Tx dma channel */ - EDMA_SetCallback(dmaHandle, SAI_TxEDMACallback, &s_edmaPrivateHandle[instance][0]); -} - -void SAI_TransferRxCreateHandleEDMA( - I2S_Type *base, sai_edma_handle_t *handle, sai_edma_callback_t callback, void *userData, edma_handle_t *dmaHandle) -{ - assert(handle && dmaHandle); - - uint32_t instance = SAI_GetInstance(base); - - /* Set sai base to handle */ - handle->dmaHandle = dmaHandle; - handle->callback = callback; - handle->userData = userData; - - /* Set SAI state to idle */ - handle->state = kSAI_Idle; - - s_edmaPrivateHandle[instance][1].base = base; - s_edmaPrivateHandle[instance][1].handle = handle; - - /* Need to use scatter gather */ - EDMA_InstallTCDMemory(dmaHandle, STCD_ADDR(handle->tcd), SAI_XFER_QUEUE_SIZE); - - /* Install callback for Tx dma channel */ - EDMA_SetCallback(dmaHandle, SAI_RxEDMACallback, &s_edmaPrivateHandle[instance][1]); -} - -void SAI_TransferTxSetFormatEDMA(I2S_Type *base, - sai_edma_handle_t *handle, - sai_transfer_format_t *format, - uint32_t mclkSourceClockHz, - uint32_t bclkSourceClockHz) -{ - assert(handle && format); - - /* Configure the audio format to SAI registers */ - SAI_TxSetFormat(base, format, mclkSourceClockHz, bclkSourceClockHz); - - /* Get the tranfer size from format, this should be used in EDMA configuration */ - handle->bytesPerFrame = format->bitWidth / 8U; - - /* Update the data channel SAI used */ - handle->channel = format->channel; -#if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1) - handle->count = FSL_FEATURE_SAI_FIFO_COUNT - format->watermark; -#else - handle->count = 1U; -#endif /* FSL_FEATURE_SAI_FIFO_COUNT */ -} - -void SAI_TransferRxSetFormatEDMA(I2S_Type *base, - sai_edma_handle_t *handle, - sai_transfer_format_t *format, - uint32_t mclkSourceClockHz, - uint32_t bclkSourceClockHz) -{ - assert(handle && format); - - /* Configure the audio format to SAI registers */ - SAI_RxSetFormat(base, format, mclkSourceClockHz, bclkSourceClockHz); - - /* Get the tranfer size from format, this should be used in EDMA configuration */ - handle->bytesPerFrame = format->bitWidth / 8U; - - /* Update the data channel SAI used */ - handle->channel = format->channel; - -#if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1) - handle->count = format->watermark; -#else - handle->count = 1U; -#endif /* FSL_FEATURE_SAI_FIFO_COUNT */ -} - -status_t SAI_TransferSendEDMA(I2S_Type *base, sai_edma_handle_t *handle, sai_transfer_t *xfer) -{ - assert(handle && xfer); - - edma_transfer_config_t config = {0}; - uint32_t destAddr = SAI_TxGetDataRegisterAddress(base, handle->channel); - - /* Check if input parameter invalid */ - if ((xfer->data == NULL) || (xfer->dataSize == 0U)) - { - return kStatus_InvalidArgument; - } - - if (handle->saiQueue[handle->queueUser].data) - { - return kStatus_SAI_QueueFull; - } - - /* Change the state of handle */ - handle->state = kSAI_Busy; - - /* Update the queue state */ - handle->transferSize[handle->queueUser] = xfer->dataSize; - handle->saiQueue[handle->queueUser].data = xfer->data; - handle->saiQueue[handle->queueUser].dataSize = xfer->dataSize; - handle->queueUser = (handle->queueUser + 1) % SAI_XFER_QUEUE_SIZE; - - /* Prepare edma configure */ - EDMA_PrepareTransfer(&config, xfer->data, handle->bytesPerFrame, (void *)destAddr, handle->bytesPerFrame, - handle->count * handle->bytesPerFrame, xfer->dataSize, kEDMA_MemoryToPeripheral); - - EDMA_SubmitTransfer(handle->dmaHandle, &config); - - /* Start DMA transfer */ - EDMA_StartTransfer(handle->dmaHandle); - - /* Enable DMA enable bit */ - SAI_TxEnableDMA(base, kSAI_FIFORequestDMAEnable, true); - - /* Enable SAI Tx clock */ - SAI_TxEnable(base, true); - - return kStatus_Success; -} - -status_t SAI_TransferReceiveEDMA(I2S_Type *base, sai_edma_handle_t *handle, sai_transfer_t *xfer) -{ - assert(handle && xfer); - - edma_transfer_config_t config = {0}; - uint32_t srcAddr = SAI_RxGetDataRegisterAddress(base, handle->channel); - - /* Check if input parameter invalid */ - if ((xfer->data == NULL) || (xfer->dataSize == 0U)) - { - return kStatus_InvalidArgument; - } - - if (handle->saiQueue[handle->queueUser].data) - { - return kStatus_SAI_QueueFull; - } - - /* Change the state of handle */ - handle->state = kSAI_Busy; - - /* Update queue state */ - handle->transferSize[handle->queueUser] = xfer->dataSize; - handle->saiQueue[handle->queueUser].data = xfer->data; - handle->saiQueue[handle->queueUser].dataSize = xfer->dataSize; - handle->queueUser = (handle->queueUser + 1) % SAI_XFER_QUEUE_SIZE; - - /* Prepare edma configure */ - EDMA_PrepareTransfer(&config, (void *)srcAddr, handle->bytesPerFrame, xfer->data, handle->bytesPerFrame, - handle->count * handle->bytesPerFrame, xfer->dataSize, kEDMA_PeripheralToMemory); - - EDMA_SubmitTransfer(handle->dmaHandle, &config); - - /* Start DMA transfer */ - EDMA_StartTransfer(handle->dmaHandle); - - /* Enable DMA enable bit */ - SAI_RxEnableDMA(base, kSAI_FIFORequestDMAEnable, true); - - /* Enable SAI Rx clock */ - SAI_RxEnable(base, true); - - return kStatus_Success; -} - -void SAI_TransferAbortSendEDMA(I2S_Type *base, sai_edma_handle_t *handle) -{ - assert(handle); - - /* Disable dma */ - EDMA_AbortTransfer(handle->dmaHandle); - - /* Disable DMA enable bit */ - SAI_TxEnableDMA(base, kSAI_FIFORequestDMAEnable, false); - - /* Set the handle state */ - handle->state = kSAI_Idle; -} - -void SAI_TransferAbortReceiveEDMA(I2S_Type *base, sai_edma_handle_t *handle) -{ - assert(handle); - - /* Disable dma */ - EDMA_AbortTransfer(handle->dmaHandle); - - /* Disable DMA enable bit */ - SAI_RxEnableDMA(base, kSAI_FIFORequestDMAEnable, false); - - /* Set the handle state */ - handle->state = kSAI_Idle; -} - -status_t SAI_TransferGetSendCountEDMA(I2S_Type *base, sai_edma_handle_t *handle, size_t *count) -{ - assert(handle); - - status_t status = kStatus_Success; - - if (handle->state != kSAI_Busy) - { - status = kStatus_NoTransferInProgress; - } - else - { - *count = (handle->transferSize[handle->queueDriver] - - EDMA_GetRemainingBytes(handle->dmaHandle->base, handle->dmaHandle->channel)); - } - - return status; -} - -status_t SAI_TransferGetReceiveCountEDMA(I2S_Type *base, sai_edma_handle_t *handle, size_t *count) -{ - assert(handle); - - status_t status = kStatus_Success; - - if (handle->state != kSAI_Busy) - { - status = kStatus_NoTransferInProgress; - } - else - { - *count = (handle->transferSize[handle->queueDriver] - - EDMA_GetRemainingBytes(handle->dmaHandle->base, handle->dmaHandle->channel)); - } - - return status; -} |