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Annotation of sys/dev/ic/dc503reg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: dc503reg.h,v 1.1 2006/07/23 19:17:23 miod Exp $       */
        !             2: /*     $NetBSD: pmreg.h,v 1.7 2005/12/11 12:18:36 christos Exp $       */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1992, 1993
        !             6:  *     The Regents of the University of California.  All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to Berkeley by
        !             9:  * Ralph Campbell.
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. Neither the name of the University nor the names of its contributors
        !            20:  *    may be used to endorse or promote products derived from this software
        !            21:  *    without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            33:  * SUCH DAMAGE.
        !            34:  *
        !            35:  *     @(#)pmreg.h     8.1 (Berkeley) 6/10/93
        !            36:  */
        !            37:
        !            38: /*
        !            39:  * Layout of the programmable cursor chip (DC503) registers.
        !            40:  * All registers are 16 bit wide.
        !            41:  */
        !            42:
        !            43: #define        PCC_CMD         0x00    /* cursor command register */
        !            44: #define        PCCCMD_TEST     0x8000
        !            45: #define        PCCCMD_HSHI     0x4000
        !            46: #define        PCCCMD_VBHI     0x2000
        !            47: #define        PCCCMD_LODSA    0x1000
        !            48: #define        PCCCMD_FORG2    0x0800
        !            49: #define        PCCCMD_ENRG2    0x0400
        !            50: #define        PCCCMD_FORG1    0x0200
        !            51: #define        PCCCMD_ENRG1    0x0100
        !            52: #define        PCCCMD_XHWID    0x0080
        !            53: #define        PCCCMD_XHCL1    0x0040
        !            54: #define        PCCCMD_XHCLP    0x0020
        !            55: #define        PCCCMD_XHAIR    0x0010
        !            56: #define        PCCCMD_FOPB     0x0008
        !            57: #define        PCCCMD_ENPB     0x0004
        !            58: #define        PCCCMD_FOPA     0x0002
        !            59: #define        PCCCMD_ENPA     0x0001
        !            60:
        !            61: #define        PCC_XPOS        0x04    /* cursor X position */
        !            62: #define        PCC_YPOS        0x08    /* cursor Y position */
        !            63: #define        PCC_XMIN_1      0x0c    /* region 1 left edge */
        !            64: #define        PCC_XMAX_1      0x10    /* region 1 right edge */
        !            65: #define        PCC_YMIN_1      0x14    /* region 1 top edge */
        !            66: #define        PCC_YMAX_1      0x18    /* region 1 bottom edge */
        !            67: #define        PCC_XMIN_2      0x1c    /* region 2 left edge */
        !            68: #define        PCC_XMAX_2      0x20    /* region 2 right edge */
        !            69: #define        PCC_YMIN_2      0x24    /* region 2 top edge */
        !            70: #define        PCC_YMAX_2      0x28    /* region 2 bottom edge */
        !            71: #define        PCC_LOAD        0x2c    /* cursor pattern load */
        !            72:
        !            73: struct dc503reg {
        !            74:        volatile u_int16_t      cmdr;
        !            75:        int16_t pad1;
        !            76:        volatile u_int16_t      xpos;
        !            77:        int16_t pad2;
        !            78:        volatile u_int16_t      ypos;
        !            79:        int16_t pad3;
        !            80:        volatile u_int16_t      xmin1;
        !            81:        int16_t pad4;
        !            82:        volatile u_int16_t      xmax1;
        !            83:        int16_t pad5;
        !            84:        volatile u_int16_t      ymin1;
        !            85:        int16_t pad6;
        !            86:        volatile u_int16_t      ymax1;
        !            87:        int16_t pad7[9];
        !            88:        volatile u_int16_t      xmin2;
        !            89:        int16_t pad8;
        !            90:        volatile u_int16_t      xmax2;
        !            91:        int16_t pad9;
        !            92:        volatile u_int16_t      ymin2;
        !            93:        int16_t pad10;
        !            94:        volatile u_int16_t      ymax2;
        !            95:        int16_t pad11;
        !            96:        volatile u_int16_t      load;
        !            97: };
        !            98:
        !            99: #define        PCC_CURSOR_SIZE 16