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56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
/* $NetBSD: imxkppreg.h,v 1.2 2010/11/30 13:05:27 bsh Exp $ */
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/*
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* Copyright (c) 2010 Genetec Corporation. All rights reserved.
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* Written by Hiroyuki Bessho for Genetec Corporation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Register definitions for Keypad Port (KPP)
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*/
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#ifndef _ARM_IMX_IMXKPPREG_H
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#define _ARM_IMX_IMXKPPREG_H
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/* Registers are byte- or halfword-addressable */
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#define KPP_KPCR 0x0000 /* control register */
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#define KPCR_KCO 0xff00 /* Column strobe */
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#define KPCR_KRE 0x00ff /* Row Enable */
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#define KPP_KPSR 0x0002 /* status register */
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#define KPSR_KRIE __BIT(9)
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#define KPSR_KDIE __BIT(8)
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#define KPSR_KRSS __BIT(3)
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#define KPSR_KDSC __BIT(2)
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#define KPSR_KPKR __BIT(1)
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#define KPSR_KPKD __BIT(0)
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#define KPP_KDDR 0x0004 /* data direction register */
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#define KPP_KPDR 0x0006 /* data register */
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#define KPP_SIZE 0x0008
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#endif /* _ARM_IMX_IMXKPPREG_H */
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