1 /*        $NetBSD: imxkppreg.h,v 1.2 2010/11/30 13:05:27 bsh Exp $    */
2 
3 /*
4  * Copyright (c) 2010  Genetec Corporation.  All rights reserved.
5  * Written by Hiroyuki Bessho for Genetec Corporation.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /*
30  * Register definitions for Keypad Port (KPP)
31  */
32 
33 #ifndef _ARM_IMX_IMXKPPREG_H
34 #define   _ARM_IMX_IMXKPPREG_H
35 
36 /* Registers are byte- or halfword-addressable */
37 
38 #define   KPP_KPCR  0x0000    /* control register */
39 #define    KPCR_KCO 0xff00    /* Column strobe */
40 #define    KPCR_KRE 0x00ff    /* Row Enable */
41 #define   KPP_KPSR  0x0002    /* status register */
42 #define    KPSR_KRIE          __BIT(9)
43 #define    KPSR_KDIE          __BIT(8)
44 #define    KPSR_KRSS          __BIT(3)
45 #define    KPSR_KDSC          __BIT(2)
46 #define    KPSR_KPKR          __BIT(1)
47 #define    KPSR_KPKD          __BIT(0)
48 
49 #define   KPP_KDDR  0x0004    /* data direction register */
50 
51 #define   KPP_KPDR  0x0006    /* data register */
52 
53 #define   KPP_SIZE  0x0008
54 
55 #endif    /* _ARM_IMX_IMXKPPREG_H */
56