/*      $NetBSD: imxkppreg.h,v 1.2 2010/11/30 13:05:27 bsh Exp $        */

/*
 * Copyright (c) 2010  Genetec Corporation.  All rights reserved.
 * Written by Hiroyuki Bessho for Genetec Corporation.
 *
 * 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, 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 GENETEC CORPORATION ``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 GENETEC CORPORATION
 * 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.
 */

/*
 * Register definitions for Keypad Port (KPP)
 */

#ifndef _ARM_IMX_IMXKPPREG_H
#define _ARM_IMX_IMXKPPREG_H

/* Registers are byte- or halfword-addressable */

#define KPP_KPCR        0x0000  /* control register */
#define  KPCR_KCO       0xff00  /* Column strobe */
#define  KPCR_KRE       0x00ff  /* Row Enable */
#define KPP_KPSR        0x0002  /* status register */
#define  KPSR_KRIE      __BIT(9)
#define  KPSR_KDIE      __BIT(8)
#define  KPSR_KRSS      __BIT(3)
#define  KPSR_KDSC      __BIT(2)
#define  KPSR_KPKR      __BIT(1)
#define  KPSR_KPKD      __BIT(0)

#define KPP_KDDR        0x0004  /* data direction register */

#define KPP_KPDR        0x0006  /* data register */

#define KPP_SIZE        0x0008

#endif  /* _ARM_IMX_IMXKPPREG_H */