1*9cf0b362Sjason /* $OpenBSD: bt458reg.h,v 1.2 2003/06/02 18:53:18 jason Exp $ */ 2a9874271Sjason 3a9874271Sjason /* 4a9874271Sjason * Copyright (c) 2003 Jason L. Wright (jason@thought.net) 5a9874271Sjason * All rights reserved. 6a9874271Sjason * 7a9874271Sjason * Redistribution and use in source and binary forms, with or without 8a9874271Sjason * modification, are permitted provided that the following conditions 9a9874271Sjason * are met: 10a9874271Sjason * 1. Redistributions of source code must retain the above copyright 11a9874271Sjason * notice, this list of conditions and the following disclaimer. 12a9874271Sjason * 2. Redistributions in binary form must reproduce the above copyright 13a9874271Sjason * notice, this list of conditions and the following disclaimer in the 14a9874271Sjason * documentation and/or other materials provided with the distribution. 15a9874271Sjason * 16a9874271Sjason * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17a9874271Sjason * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18a9874271Sjason * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19a9874271Sjason * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20a9874271Sjason * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21a9874271Sjason * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22a9874271Sjason * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23a9874271Sjason * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24a9874271Sjason * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 25a9874271Sjason * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26a9874271Sjason * POSSIBILITY OF SUCH DAMAGE. 27a9874271Sjason */ 28a9874271Sjason 29a9874271Sjason /* 30a9874271Sjason * Brooktree Bt451, Bt457, Bt458 register definitions 31a9874271Sjason */ 32a9874271Sjason #define BT_OV0 0x00 /* overlay 0 */ 33a9874271Sjason #define BT_OV1 0x01 /* overlay 1 */ 34a9874271Sjason #define BT_OV2 0x02 /* overlay 2 */ 35a9874271Sjason #define BT_OV3 0x03 /* overlay 3 */ 36a9874271Sjason #define BT_RMR 0x04 /* read mask */ 37a9874271Sjason #define BT_BMR 0x05 /* blink mask */ 38a9874271Sjason #define BT_CR 0x06 /* control */ 39a9874271Sjason #define BT_CTR 0x07 /* control/test */ 40a9874271Sjason 41a9874271Sjason #define BTCR_MPLX_5 0x80 /* multiplex select, 5:1 */ 42a9874271Sjason #define BTCR_MPLX_4 0x00 /* multiplex select, 4:1 */ 43a9874271Sjason #define BTCR_RAMENA 0x40 /* use color palette RAM */ 44a9874271Sjason #define BTCR_BLINK_M 0x30 /* blink mask */ 45a9874271Sjason #define BTCR_BLINK_1648 0x00 /* 16 on, 48 off */ 46a9874271Sjason #define BTCR_BLINK_1616 0x10 /* 16 on, 16 off */ 47a9874271Sjason #define BTCR_BLINK_3232 0x20 /* 32 on, 32 off */ 48a9874271Sjason #define BTCR_BLINK_6464 0x30 /* 64 on, 64 off */ 49a9874271Sjason #define BTCR_BLINKENA_OV1 0x08 /* OV1 blink enable */ 50a9874271Sjason #define BTCR_BLINKENA_OV0 0x04 /* OV0 blink enable */ 51a9874271Sjason #define BTCR_DISPENA_OV1 0x02 /* OV1 display enable */ 52a9874271Sjason #define BTCR_DISPENA_OV0 0x01 /* OV0 display enable */ 53a9874271Sjason 54a9874271Sjason #define BTCTR_R_ENA 0x01 /* red channel enable */ 55a9874271Sjason #define BTCTR_G_ENA 0x02 /* green channel enable */ 56a9874271Sjason #define BTCTR_B_ENA 0x04 /* blue channel enable */ 57a9874271Sjason #define BTCTR_NIB_M 0x08 /* nibble mask: */ 58a9874271Sjason #define BTCTR_NIB_LOW 0x08 /* low */ 59a9874271Sjason #define BTCTR_NIB_HIGH 0x00 /* high */ 60