/*

* Copyright (c) 2017, Intel Corporation

* All rights reserved.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions are met:

* * Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

* * 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.

* * Neither the name of the Intel Corporation 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 OWNER 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.

*

* Author: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

*/

#ifndef __INCLUDE_SPI_H__

#define __INCLUDE_SPI_H__

#include <stdint.h>

enum spi_type {

SOF_SPI_INTEL_SLAVE,

SOF_SPI_INTEL_MASTER,

};

enum spi_xfer_direction {

SPI_DIR_RX,

SPI_DIR_TX,

};

struct spi_plat_fifo_data {

uint32_t handshake;

};

struct spi_platform_data {

uint32_t base;

uint32_t irq;

struct spi_plat_fifo_data fifo[2];

enum spi_type type;

};

struct spi;

int spi_push(struct spi *spi, const void *data, size_t size);

int spi_probe(struct spi *spi);

struct spi *spi_get(enum spi_type type);

int spi_install(const struct spi_platform_data *plat, size_t n);

void spi_init(void);

#endif