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Annotation of sys/arch/hp300/stand/common/ite_tc.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: ite_tc.c,v 1.5 2006/08/17 06:31:10 miod Exp $ */
        !             2: /*     $NetBSD: ite_tc.c,v 1.8 1996/03/03 04:23:41 thorpej Exp $       */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1988 University of Utah.
        !             6:  * Copyright (c) 1990, 1993
        !             7:  *     The Regents of the University of California.  All rights reserved.
        !             8:  *
        !             9:  * This code is derived from software contributed to Berkeley by
        !            10:  * the Systems Programming Group of the University of Utah Computer
        !            11:  * Science Department.
        !            12:  *
        !            13:  * Redistribution and use in source and binary forms, with or without
        !            14:  * modification, are permitted provided that the following conditions
        !            15:  * are met:
        !            16:  * 1. Redistributions of source code must retain the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer.
        !            18:  * 2. Redistributions in binary form must reproduce the above copyright
        !            19:  *    notice, this list of conditions and the following disclaimer in the
        !            20:  *    documentation and/or other materials provided with the distribution.
        !            21:  * 3. Neither the name of the University nor the names of its contributors
        !            22:  *    may be used to endorse or promote products derived from this software
        !            23:  *    without specific prior written permission.
        !            24:  *
        !            25:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            26:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            27:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            28:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            29:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            30:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            31:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            32:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            33:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            34:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            35:  * SUCH DAMAGE.
        !            36:  *
        !            37:  * from: Utah $Hdr: ite_tc.c 1.11 92/01/20$
        !            38:  *
        !            39:  *     @(#)ite_tc.c    8.1 (Berkeley) 6/10/93
        !            40:  */
        !            41:
        !            42: #ifdef ITECONSOLE
        !            43:
        !            44: #include <sys/param.h>
        !            45:
        !            46: #include "samachdep.h"
        !            47: #include "itevar.h"
        !            48: #include "itereg.h"
        !            49: #include "grfreg.h"
        !            50: #include "grf_tcreg.h"
        !            51:
        !            52: #define REGBASE                ((struct tcboxfb *)(ip->regbase))
        !            53:
        !            54: void   topcat_windowmove(struct ite_data *, int, int, int, int,
        !            55:            int, int, int);
        !            56:
        !            57: void
        !            58: topcat_init(struct ite_data *ip)
        !            59: {
        !            60:        ip->bmv = topcat_windowmove;
        !            61:
        !            62:        /*
        !            63:         * Catseye looks a lot like a topcat, but not completely.
        !            64:         * So, we set some bits to make it work.
        !            65:         */
        !            66:        if (REGBASE->fbid != GID_TOPCAT) {
        !            67:                while ((REGBASE->catseye_status & 1))
        !            68:                        ;
        !            69:                REGBASE->catseye_status = 0x0;
        !            70:                REGBASE->vb_select      = 0x0;
        !            71:                REGBASE->tcntrl         = 0x0;
        !            72:                REGBASE->acntrl         = 0x0;
        !            73:                REGBASE->pncntrl        = 0x0;
        !            74:                REGBASE->rug_cmdstat    = 0x90;
        !            75:        }
        !            76:
        !            77:        /*
        !            78:         * Determine the number of planes by writing to the first frame
        !            79:         * buffer display location, then reading it back.
        !            80:         */
        !            81:        REGBASE->wen = ~0;
        !            82:        REGBASE->fben = ~0;
        !            83:        REGBASE->prr = RR_COPY;
        !            84:        *FBBASE = 0xFF;
        !            85:        ip->planemask = *FBBASE;
        !            86:
        !            87:        /*
        !            88:         * Enable reading/writing of all the planes.
        !            89:         */
        !            90:        REGBASE->fben = ip->planemask;
        !            91:        REGBASE->wen  = ip->planemask;
        !            92:        REGBASE->ren  = ip->planemask;
        !            93:        REGBASE->prr  = RR_COPY;
        !            94:
        !            95:        ite_fontinfo(ip);
        !            96:
        !            97:        /*
        !            98:         * Clear the framebuffer on all planes.
        !            99:         */
        !           100:        topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
        !           101:        tc_waitbusy(ip->regbase, ip->planemask);
        !           102:
        !           103:        ite_fontinit8bpp(ip);
        !           104:
        !           105:        /*
        !           106:         * Stash the inverted cursor.
        !           107:         */
        !           108:        topcat_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
        !           109:                          ip->cblanky, ip->cblankx, ip->ftheight,
        !           110:                          ip->ftwidth, RR_COPYINVERTED);
        !           111: }
        !           112:
        !           113: void
        !           114: topcat_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
        !           115:     int w, int func)
        !           116: {
        !           117:        struct tcboxfb *rp = REGBASE;
        !           118:
        !           119:        if (h == 0 || w == 0)
        !           120:                return;
        !           121:        tc_waitbusy(ip->regbase, ip->planemask);
        !           122:        rp->wmrr     = func;
        !           123:        rp->source_y = sy;
        !           124:        rp->source_x = sx;
        !           125:        rp->dest_y   = dy;
        !           126:        rp->dest_x   = dx;
        !           127:        rp->wheight  = h;
        !           128:        rp->wwidth   = w;
        !           129:        rp->wmove    = ip->planemask;
        !           130: }
        !           131: #endif