bt458reg.h revision 1.1
1/* $OpenBSD: bt458reg.h,v 1.1 2003/05/31 21:01:59 jason Exp $ */ 2 3/* 4 * Copyright (c) 2003 Jason L. Wright (jason@thought.net) 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31/* 32 * Brooktree Bt451, Bt457, Bt458 register definitions 33 */ 34#define BT_OV0 0x00 /* overlay 0 */ 35#define BT_OV1 0x01 /* overlay 1 */ 36#define BT_OV2 0x02 /* overlay 2 */ 37#define BT_OV3 0x03 /* overlay 3 */ 38#define BT_RMR 0x04 /* read mask */ 39#define BT_BMR 0x05 /* blink mask */ 40#define BT_CR 0x06 /* control */ 41#define BT_CTR 0x07 /* control/test */ 42 43#define BTCR_MPLX_5 0x80 /* multiplex select, 5:1 */ 44#define BTCR_MPLX_4 0x00 /* multiplex select, 4:1 */ 45#define BTCR_RAMENA 0x40 /* use color palette RAM */ 46#define BTCR_BLINK_M 0x30 /* blink mask */ 47#define BTCR_BLINK_1648 0x00 /* 16 on, 48 off */ 48#define BTCR_BLINK_1616 0x10 /* 16 on, 16 off */ 49#define BTCR_BLINK_3232 0x20 /* 32 on, 32 off */ 50#define BTCR_BLINK_6464 0x30 /* 64 on, 64 off */ 51#define BTCR_BLINKENA_OV1 0x08 /* OV1 blink enable */ 52#define BTCR_BLINKENA_OV0 0x04 /* OV0 blink enable */ 53#define BTCR_DISPENA_OV1 0x02 /* OV1 display enable */ 54#define BTCR_DISPENA_OV0 0x01 /* OV0 display enable */ 55 56#define BTCTR_R_ENA 0x01 /* red channel enable */ 57#define BTCTR_G_ENA 0x02 /* green channel enable */ 58#define BTCTR_B_ENA 0x04 /* blue channel enable */ 59#define BTCTR_NIB_M 0x08 /* nibble mask: */ 60#define BTCTR_NIB_LOW 0x08 /* low */ 61#define BTCTR_NIB_HIGH 0x00 /* high */ 62