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vrc4172pwmreg.h revision 1.2 
      1 /* $Id: vrc4172pwmreg.h,v 1.2 2000/12/29 11:44:44 sato Exp $ */
      2 /*
      3  * Copyright (c) 2000 SATO Kazumi.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions, and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     24  * SUCH DAMAGE.
     25  */
     26 
     27 /*
     28  * Vrc4172 PWM unit register definition
     29  */
     30 
     31 #define VRC2_PWM_LCDDUTYEN	0x00	/* LCDBAK control enable */
     32 #define		VRC2_PWM_LCDEN_MASK	0x01
     33 #define 	VRC2_PWM_LCD_EN		0x01	/* enable */
     34 #define		VRC2_PWM_LCD_DIS	0x00	/* disable */
     35 #define VRC2_PWM_LCDFREQ	0x02
     36 #define 	VRC2_PWM_LCDFREQ_MASK	0xff
     37 #define		VRC2_PWM_LCDFREQ_DEF	0x2a	/* default XXX */
     38 		/* f = 1(2^4/8000000 * 64 x (LCDFREQ+1) */
     39 #define VRC2_PWM_LCDDUTY	0x04
     40 #define 	VRC2_PWM_LCDDUTY_MASK	0x3f
     41 #define		VRC2_PWM_LCDDUTY_DEF	0x25	/* default XXX */
     42 		/* T = 1/(64f) x (LCDDUTY+1) */
     43 
     44 /* end */
     45