xref: /f-stack/freebsd/mips/mediatek/mtk_spi_v2.h (revision a9643ea8)
1 /*-
2  * Copyright (c) 2009, Oleksandr Tymoshenko <[email protected]>
3  * Copyright (c) 2011, Aleksandr Rybalko <[email protected]>
4  * Copyright (c) 2013, Alexander A. Mityaev <[email protected]>
5  * Copyright (c) 2016, Stanislav Galabov <[email protected]>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice unmodified, this list of conditions, and the following
13  *    disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef _MTK_SPI_NEWVAR_H_
34 #define _MTK_SPI_NEWVAR_H_
35 
36 /* SPI controller interface */
37 
38 #define MTK_SPITRANS		0x00
39 #define 	SPIBUSY			(1<<16)
40 #define		SPISTART		(1<<8)
41 
42 #define MTK_SPIMASTER		0x28
43 
44 #define MTK_SPIMOREBUF		0x2C
45 
46 #define MTK_SPIOPCODE		0x04
47 #define MTK_SPIDATA		0x08
48 #define		SPIDATA_MASK		0x000000ff
49 
50 #define MTK_SPI_WRITE		1
51 #define MTK_SPI_READ		0
52 
53 #define MTK_SPIPOLAR		0x38
54 
55 #endif /* _MTK_SPI_NEWVAR_H_ */
56