/* $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 */
