116 lines
4.4 KiB
C
116 lines
4.4 KiB
C
/*******************************************************************************
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* @file xilinx/xilinx_i2c.h
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* @brief Header containing types used in the i2c 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_I2C_H_
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#define XILINX_I2C_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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/******************************************************************************/
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/*************************** Types Declarations *******************************/
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/******************************************************************************/
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/**
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* @enum xil_i2c_type
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* @brief Xilinx platform architecture sections
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*/
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enum xil_i2c_type {
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/** Programmable Logic */
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IIC_PL,
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/** Processing System */
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IIC_PS
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};
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/**
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* @struct xil_i2c_init
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* @brief Structure holding the initialization parameters for Xilinx platform
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* specific I2C parameters.
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*/
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struct xil_i2c_init_param {
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/** Xilinx architecture */
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enum xil_i2c_type type;
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/** Device ID */
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uint32_t device_id;
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};
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/**
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* @struct xil_i2c_desc
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* @brief Xilinx platform specific I2C descriptor
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*/
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struct xil_i2c_desc {
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/** Xilinx architecture */
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enum xil_i2c_type type;
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/** Device ID */
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uint32_t device_id;
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/** Xilinx I2C configuration */
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void *config;
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/** Xilinx I2C Instance */
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void *instance;
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};
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/**
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* @brief Xilinx platform specific i2c platform ops structure
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*/
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extern const struct i2c_platform_ops xil_i2c_ops;
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/******************************************************************************/
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/************************ Functions Declarations ******************************/
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/******************************************************************************/
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/* Initialize the I2C communication peripheral. */
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int32_t xil_i2c_init(struct i2c_desc **desc,
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const struct i2c_init_param *param);
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/* Free the resources allocated by i2c_init(). */
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int32_t xil_i2c_remove(struct i2c_desc *desc);
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/* I2C Write data */
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int32_t xil_i2c_write(struct i2c_desc *desc, uint8_t *data,
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uint8_t bytes_number, uint8_t stop_bit);
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/* I2C Read data. */
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int32_t xil_i2c_read(struct i2c_desc *desc, uint8_t *data,
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uint8_t bytes_number, uint8_t stop_bit);
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#endif // XILINX_I2C_H_
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