1 files changed, 98 insertions, 0 deletions
diff --git a/atmel-samd/asf4/samd51/hal/include/hpl_spi_dma.h b/atmel-samd/asf4/samd51/hal/include/hpl_spi_dma.h
new file mode 100644
index 000000000..3f2088c05
--- /dev/null
+++ b/atmel-samd/asf4/samd51/hal/include/hpl_spi_dma.h
@@ -0,0 +1,98 @@
+/**
+ * \file
+ *
+ * \brief Common SPI DMA related functionality declaration.
+ *
+ * Copyright (C) 2016 Atmel Corporation. All rights reserved.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. 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.
+ *
+ * 3. The name of Atmel may not be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * 4. This software may only be redistributed and used in connection with an
+ *    Atmel microcontroller product.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
+ *
+ * \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 */