/*- * Copyright (c) 2009, Oleksandr Tymoshenko * Copyright (c) 2011, Aleksandr Rybalko * Copyright (c) 2013, Alexander A. Mityaev * Copyright (c) 2016, Stanislav Galabov * 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 unmodified, 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. * * $FreeBSD$ */ #ifndef _MTK_SPIVAR_H_ #define _MTK_SPIVAR_H_ /* SPI controller interface */ #define MTK_SPISTAT 0x00 /* SPIBUSY is alias for SPIBUSY, because SPISTAT have only BUSY bit*/ #define MTK_SPIBUSY MTK_SPISTAT #define MTK_SPICFG 0x10 #define MSBFIRST (1<<8) #define SPICLKPOL (1<<6) #define CAPT_ON_CLK_FALL (1<<5) #define TX_ON_CLK_FALL (1<<4) #define HIZSPI (1<<3) /* Set SPI pins to Tri-state */ #define SPI_CLK_SHIFT 0 /* SPI clock divide control */ #define SPI_CLK_MASK 0x00000007 #define SPI_CLK_DIV2 0 #define SPI_CLK_DIV4 1 #define SPI_CLK_DIV8 2 #define SPI_CLK_DIV16 3 #define SPI_CLK_DIV32 4 #define SPI_CLK_DIV64 5 #define SPI_CLK_DIV128 6 #define SPI_CLK_DISABLED 7 #define MTK_SPICTL 0x14 #define HIZSMOSI (1<<3) #define START_WRITE (1<<2) #define START_READ (1<<1) #define CS_HIGH (1<<0) #define MTK_SPIDATA 0x20 #define SPIDATA_MASK 0x000000ff #define MTK_SPI_WRITE 1 #define MTK_SPI_READ 0 #endif /* _MTK_SPIVAR_H_ */