116 lines
4.3 KiB
C
116 lines
4.3 KiB
C
/*******************************************************************************
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* @file xilinx/xilinx_spi.h
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* @brief Header containing extra types used in the spi driver.
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* @author scuciurean ([email protected])
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********************************************************************************
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* Copyright 2019(c) Analog Devices, Inc.
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of Analog Devices, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* - The use of this software may or may not infringe the patent rights
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* of one or more patent holders. This license does not release you
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* from the requirement that you obtain separate licenses from these
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* patent holders to use this software.
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* - Use of the software either in source or binary form, must be run
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* on or directly connected to an Analog Devices Inc. component.
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*
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* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************/
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#ifndef XILINX_SPI_H_
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#define XILINX_SPI_H_
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/******************************************************************************/
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/***************************** Include Files **********************************/
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/******************************************************************************/
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#include <stdint.h>
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#include "spi.h"
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/******************************************************************************/
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/********************** Macros and Constants Definitions **********************/
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/******************************************************************************/
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#define SPI_CS_DECODE 0x01
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#define SPI_DEASSERT_CURRENT_SS 0x0F
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/******************************************************************************/
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/*************************** Types Declarations *******************************/
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/******************************************************************************/
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/**
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* @enum xil_spi_type
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* @brief Xilinx platform architecture sections
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*/
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enum xil_spi_type {
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/** Programmable Logic */
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SPI_PL,
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/** Processing System */
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SPI_PS,
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/** SPI Engine */
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SPI_ENGINE
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};
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/**
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* @struct xil_spi_init_param
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* @brief Structure holding the initialization parameters for Xilinx platform
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* specific SPI parameters when using xil_spi_ops.
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*/
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struct xil_spi_init_param {
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/** Xilinx architecture */
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enum xil_spi_type type;
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/** SPI flags */
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uint32_t flags;
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};
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/**
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* @struct xil_spi_desc
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* @brief Xilinx platform specific SPI descriptor
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*/
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struct xil_spi_desc {
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/** Xilinx architecture */
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enum xil_spi_type type;
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/** SPI flags */
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uint32_t flags;
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/** SPI configuration */
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void *config;
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/** SPI instance */
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void *instance;
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};
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/**
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* @brief SPI engine platform ops structure
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*/
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extern const struct spi_platform_ops spi_eng_platform_ops;
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/**
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* @brief Xilinx specific SPI platform ops structure
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*/
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extern const struct spi_platform_ops xil_spi_ops;
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/**
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* @brief Xilinx SPI PS register functions. No extra param needed
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*/
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extern const struct spi_platform_ops xil_spi_pl_ops;
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#endif // XILINX_SPI_H_
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