1 /* $NetBSD: vrc4172pwmreg.h,v 1.4 2001/04/13 08:11:44 itojun Exp $ */ 2 3 /* 4 * Copyright (c) 2000 SATO Kazumi. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * Vrc4172 PWM unit register definition 30 */ 31 32 #define VRC2_PWM_LCDDUTYEN 0x00 /* LCDBAK control enable */ 33 #define VRC2_PWM_LCDEN_MASK 0x01 34 #define VRC2_PWM_LCD_EN 0x01 /* enable */ 35 #define VRC2_PWM_LCD_DIS 0x00 /* disable */ 36 #define VRC2_PWM_LCDFREQ 0x02 37 #define VRC2_PWM_LCDFREQ_MASK 0xff 38 #define VRC2_PWM_LCDFREQ_DEF 0x2a /* default XXX */ 39 /* f = 1(2^4/8000000 * 64 x (LCDFREQ+1) */ 40 #define VRC2_PWM_LCDDUTY 0x04 41 #define VRC2_PWM_LCDDUTY_MASK 0x3f 42 #define VRC2_PWM_LCDDUTY_DEF 0x25 /* default XXX */ 43 /* T = 1/(64f) x (LCDDUTY+1) */ 44 45 /* end */ 46