72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
|
/*-
|
||
|
|
* Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
|
||
|
|
* Copyright (c) 2011, Aleksandr Rybalko <ray@FreeBSD.org>
|
||
|
|
* Copyright (c) 2013, Alexander A. Mityaev <sansan@adm.ua>
|
||
|
|
* Copyright (c) 2016, Stanislav Galabov <sgalabov@gmail.com>
|
||
|
|
* 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_ */
|