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Annotation of sys/dev/ic/bt458reg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: bt458reg.h,v 1.2 2003/06/02 18:53:18 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:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        !            18:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            19:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
        !            20:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            21:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            22:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            24:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            25:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            26:  * POSSIBILITY OF SUCH DAMAGE.
        !            27:  */
        !            28:
        !            29: /*
        !            30:  * Brooktree Bt451, Bt457, Bt458 register definitions
        !            31:  */
        !            32: #define        BT_OV0  0x00            /* overlay 0 */
        !            33: #define        BT_OV1  0x01            /* overlay 1 */
        !            34: #define        BT_OV2  0x02            /* overlay 2 */
        !            35: #define        BT_OV3  0x03            /* overlay 3 */
        !            36: #define        BT_RMR  0x04            /* read mask */
        !            37: #define        BT_BMR  0x05            /* blink mask */
        !            38: #define        BT_CR   0x06            /* control */
        !            39: #define        BT_CTR  0x07            /* control/test */
        !            40:
        !            41: #define        BTCR_MPLX_5             0x80    /* multiplex select, 5:1 */
        !            42: #define        BTCR_MPLX_4             0x00    /* multiplex select, 4:1 */
        !            43: #define        BTCR_RAMENA             0x40    /* use color palette RAM */
        !            44: #define        BTCR_BLINK_M            0x30    /* blink mask */
        !            45: #define        BTCR_BLINK_1648         0x00    /*  16 on, 48 off */
        !            46: #define        BTCR_BLINK_1616         0x10    /*  16 on, 16 off */
        !            47: #define        BTCR_BLINK_3232         0x20    /*  32 on, 32 off */
        !            48: #define        BTCR_BLINK_6464         0x30    /*  64 on, 64 off */
        !            49: #define        BTCR_BLINKENA_OV1       0x08    /* OV1 blink enable */
        !            50: #define        BTCR_BLINKENA_OV0       0x04    /* OV0 blink enable */
        !            51: #define        BTCR_DISPENA_OV1        0x02    /* OV1 display enable */
        !            52: #define        BTCR_DISPENA_OV0        0x01    /* OV0 display enable */
        !            53:
        !            54: #define        BTCTR_R_ENA             0x01    /* red channel enable */
        !            55: #define        BTCTR_G_ENA             0x02    /* green channel enable */
        !            56: #define        BTCTR_B_ENA             0x04    /* blue channel enable */
        !            57: #define        BTCTR_NIB_M             0x08    /* nibble mask: */
        !            58: #define        BTCTR_NIB_LOW           0x08    /*  low */
        !            59: #define        BTCTR_NIB_HIGH          0x00    /*  high */