NetBSD/sys/arch/hpcmips/vr/vrc4172pwmreg.h

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2001-04-13 12:11:44 +04:00
/* $NetBSD: vrc4172pwmreg.h,v 1.4 2001/04/13 08:11:44 itojun Exp $ */
/*
* Copyright (c) 2000 SATO Kazumi. 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, 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.
*/
/*
* Vrc4172 PWM unit register definition
*/
#define VRC2_PWM_LCDDUTYEN 0x00 /* LCDBAK control enable */
#define VRC2_PWM_LCDEN_MASK 0x01
#define VRC2_PWM_LCD_EN 0x01 /* enable */
#define VRC2_PWM_LCD_DIS 0x00 /* disable */
#define VRC2_PWM_LCDFREQ 0x02
#define VRC2_PWM_LCDFREQ_MASK 0xff
#define VRC2_PWM_LCDFREQ_DEF 0x2a /* default XXX */
/* f = 1(2^4/8000000 * 64 x (LCDFREQ+1) */
#define VRC2_PWM_LCDDUTY 0x04
#define VRC2_PWM_LCDDUTY_MASK 0x3f
#define VRC2_PWM_LCDDUTY_DEF 0x25 /* default XXX */
/* T = 1/(64f) x (LCDDUTY+1) */
/* end */