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/**
* \file
*
* \brief Common SPI DMA related functionality declaration.
*
* Copyright (c) 2016-2018 Microchip Technology Inc. and its subsidiaries.
*
* \asf_license_start
*
* \page License
*
* Subject to your compliance with these terms, you may use Microchip
* software and any derivatives exclusively with Microchip products.
* It is your responsibility to comply with third party license terms applicable
* to your use of third party software (including open source software) that
* may accompany Microchip software.
*
* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
* WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
* INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
* AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
* LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
* LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
* SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
* POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
* ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
* RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
* THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
*
* \asf_license_stop
*
*/
#ifndef _HPL_SPI_DMA_H_INCLUDED
#define _HPL_SPI_DMA_H_INCLUDED
#include <hpl_irq.h>
#include <hpl_dma.h>
#ifdef __cplusplus
extern "C" {
#endif
/** The callback types */
enum _spi_dma_dev_cb_type {
/** Callback type for DMA transmit. */
SPI_DEV_CB_DMA_TX,
/** Callback type for DMA receive. */
SPI_DEV_CB_DMA_RX,
/** Callback type for DMA error. */
SPI_DEV_CB_DMA_ERROR,
/** Number of callbacks. */
SPI_DEV_CB_DMA_N
};
struct _spi_dma_dev;
/**
* \brief The prototype for callback on SPI DMA.
*/
typedef void (*_spi_dma_cb_t)(struct _dma_resource *resource);
/**
* \brief The callbacks offered by SPI driver
*/
struct _spi_dma_dev_callbacks {
_spi_dma_cb_t tx;
_spi_dma_cb_t rx;
_spi_dma_cb_t error;
};
/** SPI driver to support DMA HAL */
struct _spi_dma_dev {
/** Pointer to the hardware base or private data for special device. */
void *prvt;
/** Pointer to callback functions */
struct _spi_dma_dev_callbacks callbacks;
/** IRQ instance for SPI device. */
struct _irq_descriptor irq;
/** DMA resource */
struct _dma_resource *resource;
};
#ifdef __cplusplus
}
#endif
#endif /* ifndef _HPL_SPI_DMA_H_INCLUDED */
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