rt-thread/bsp/synopsys/embarc/device/designware/spi/dw_spi_hal.h

/* ------------------------------------------
 * Copyright (c) 2017, Synopsys, Inc. All rights reserved.

 * 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) Neither the name of the Synopsys, Inc., 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 HOLDER 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.
 *
 * \version 2017.03
 * \date 2014-06-25
 * \author Huaqi Fang(Huaqi.Fang@synopsys.com)
--------------------------------------------- */

/**
 * \file
 * \ingroup	DEVICE_DW_SPI
 * \brief	DesignWare SPI driver hardware description related header file
 * \details	detailed hardware related definitions of DesignWare SPI driver
 */

#ifndef _DEVICE_DW_SPI_HAL_H_
#define _DEVICE_DW_SPI_HAL_H_

#include "device/designware/spi/dw_spi_hal_cfg.h"

/* DW APB SPI bit definitions */

/**
 * \name	DesignWare SPI HAL CTRL0 Macros
 * \brief	DesignWare SPI hal ctrl0 macros,
 * 	include dfs, scph, scppl, tmod, etc
 * @{
 */
#define DW_SPI_CTRLR0_DFS_MASK			(0xf)

#define DW_SPI_CTRLR0_SC_OFS			(6)
#define DW_SPI_CTRLR0_SC_MASK			(0xC0)
#define DW_SPI_CTRLR0_SCPH_HIGH			(0x40)
#define DW_SPI_CTRLR0_SCPH_LOW			(0)
#define DW_SPI_CTRLR0_SCPOL_HIGH		(0x80)
#define DW_SPI_CTRLR0_SCPOL_LOW			(0)

#define DW_SPI_CTRLR0_TMOD_MASK			(0x300)
#define DW_SPI_TMOD_TRANSMIT_RECEIVE		(0)
#define DW_SPI_TMOD_TRANSMIT_ONLY		(0x100)
#define DW_SPI_TMOD_RECEIVE_ONLY		(0x200)
#define DW_SPI_TMOD_EEPROM_READ_ONLY		(0x300)

#define DW_SPI_CTRLR0_FRF_MOTOROLA		(0x0)
#define DW_SPI_CTRLR0_FRF_TI			(0x10)
#define DW_SPI_CTRLR0_FRF_MICROWIRE		(0x20)

#define DW_SPI_CTRLR0_SLV_OE_DISABLE		(1<<10)
#define DW_SPI_CTRLR0_SLV_OE_ENABLE		(0)


/** @} */

/**
 * \name	DesignWare SPI HAL ISR Flags
 * \brief	DesignWare SPI hal Interrupt Status Flags
 * @{
 */
#define DW_SPI_TX_OVERFLOW_ERROR		(0x2)
#define DW_SPI_RX_UNDERFLOW_ERROR		(0x4)
#define DW_SPI_RX_OVERFLOW_ERROR		(0x8)

#define DW_SPI_ISR_RX_FIFO_INT_MASK		(0x10)
#define DW_SPI_ISR_TX_FIFO_INT_MASK		(0x1)
#define DW_SPI_ISR_TX_OVERFLOW_INT_MASK		(0x2)
#define DW_SPI_ISR_RX_UNDERFLOW_INT_MASK	(0x4)
#define DW_SPI_ISR_RX_OVERFLOW_INT_MASK		(0x8)
/** @} */

/**
 * \name	DesignWare SPI HAL SR Flags
 * \brief	DesignWare SPI hal Status Flags
 * @{
 */
#define DW_SPI_SR_DCOL				(0x40)
#define DW_SPI_SR_TXE				(0x20)
#define DW_SPI_SR_RFF				(0x10)
#define DW_SPI_SR_RFNE				(0x8)
#define DW_SPI_SR_TFE				(0x4)
#define DW_SPI_SR_TFNF				(0x2)
#define DW_SPI_SR_BUSY				(0x1)
/** @} */

/**
 * \name	DesignWare SPI HAL SSI Enable Macros
 * \brief	DesignWare SPI hal ssi enable macros
 * @{
 */
/* Macros */
#define DW_SPI_SSI_ENABLE			(1)	/*!< SSI Enable */
#define DW_SPI_SSI_DISABLE			(0)	/*!< SSI Disable */
/** @} */

/**
 * \name	DesignWare SPI HAL IMR Macros
 * \brief	DesignWare SPI hal interrupt mask macros
 * @{
 */
#define DW_SPI_IMR_MSTIM			(0x20)	/*!< Multi-Master Contention Interrupt Mask */
#define DW_SPI_IMR_RXFIM			(0x10)	/*!< Receive FIFO Full Interrupt Mask */
#define DW_SPI_IMR_RXOIM			(0x08)	/*!< Receive FIFO Overflow Interrupt Mask */
#define DW_SPI_IMR_RXUIM			(0x04)	/*!< Receive FIFO Underflow Interrupt Mask */
#define DW_SPI_IMR_TXOIM			(0x02)	/*!< Transmit FIFO Overflow Interrupt Mask */
#define DW_SPI_IMR_TXEIM			(0x01)	/*!< Transmit FIFO Empty Interrupt Mask */

#define DW_SPI_IMR_XFER				(DW_SPI_IMR_TXEIM|DW_SPI_IMR_RXFIM|DW_SPI_IMR_TXOIM|DW_SPI_IMR_RXOIM|DW_SPI_IMR_RXUIM)
/** @} */

#define DW_SPI_SSI_IDLE				(1)
#define DW_SPI_SPI_TRANSMIT			(1)
#define DW_SPI_SPI_RECEIVE			(2)
#define DW_SPI_SSI_MASTER			(1)
#define DW_SPI_SSI_SLAVE			(0)


#endif /* _DEVICE_DW_SPI_HAL_H_ */