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Annotation of 43BSDReno/sys/hpstand/ite_gb.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 University of Utah.
        !             3:  * Copyright (c) 1990 The Regents of the University of California.
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * This code is derived from software contributed to Berkeley by
        !             7:  * the Systems Programming Group of the University of Utah Computer
        !             8:  * Science Department.
        !             9:  *
        !            10:  * Redistribution is only permitted until one year after the first shipment
        !            11:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !            12:  * binary forms are permitted provided that: (1) source distributions retain
        !            13:  * this entire copyright notice and comment, and (2) distributions including
        !            14:  * binaries display the following acknowledgement:  This product includes
        !            15:  * software developed by the University of California, Berkeley and its
        !            16:  * contributors'' in the documentation or other materials provided with the
        !            17:  * distribution and in all advertising materials mentioning features or use
        !            18:  * of this software.  Neither the name of the University nor the names of
        !            19:  * its contributors may be used to endorse or promote products derived from
        !            20:  * this software without specific prior written permission.
        !            21:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            22:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            23:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            24:  *
        !            25:  * from: Utah $Hdr: ite_gb.c 1.8 89/02/23$
        !            26:  *
        !            27:  *     @(#)ite_gb.c    7.1 (Berkeley) 5/8/90
        !            28:  */
        !            29: 
        !            30: #include "samachdep.h"
        !            31: 
        !            32: #ifdef ITECONSOLE
        !            33: 
        !            34: #include "param.h"
        !            35: 
        !            36: #include "../hpdev/itevar.h"
        !            37: #include "../hpdev/itereg.h"
        !            38: #include "../hpdev/grfvar.h"
        !            39: #include "../hpdev/grf_gbreg.h"
        !            40: 
        !            41: #define REGBASE        ((struct gboxfb *)(ip->regbase))
        !            42: #define WINDOWMOVER    gatorbox_windowmove
        !            43: 
        !            44: gatorbox_init(ip)
        !            45:        register struct ite_softc *ip;
        !            46: {
        !            47:        REGBASE->write_protect = 0x0;
        !            48:        REGBASE->interrupt = 0x4;
        !            49:        REGBASE->rep_rule = RR_COPY;
        !            50:        REGBASE->blink1 = 0xff;
        !            51:        REGBASE->blink2 = 0xff;
        !            52:        REGBASE->sec_interrupt = 0x01;
        !            53: 
        !            54:        /*
        !            55:         * Set up the color map entries. We use three entries in the
        !            56:         * color map. The first, is for black, the second is for
        !            57:         * white, and the very last entry is for the inverted cursor.
        !            58:         */
        !            59:        REGBASE->creg_select = 0x00;
        !            60:        REGBASE->cmap_red    = 0x00;
        !            61:        REGBASE->cmap_grn    = 0x00;
        !            62:        REGBASE->cmap_blu    = 0x00;
        !            63:        REGBASE->cmap_write  = 0x00;
        !            64:        gbcm_waitbusy(REGADDR);
        !            65:        
        !            66:        REGBASE->creg_select = 0x01;
        !            67:        REGBASE->cmap_red    = 0xFF;
        !            68:        REGBASE->cmap_grn    = 0xFF;
        !            69:        REGBASE->cmap_blu    = 0xFF;
        !            70:        REGBASE->cmap_write  = 0x01;
        !            71:        gbcm_waitbusy(REGADDR);
        !            72: 
        !            73:        REGBASE->creg_select = 0xFF;
        !            74:        REGBASE->cmap_red    = 0xFF;
        !            75:        REGBASE->cmap_grn    = 0xFF;
        !            76:        REGBASE->cmap_blu    = 0xFF;
        !            77:        REGBASE->cmap_write  = 0x01;
        !            78:        gbcm_waitbusy(REGADDR);
        !            79: 
        !            80:        ite_devinfo(ip);
        !            81:        ite_fontinit(ip);
        !            82: 
        !            83:        /*
        !            84:         * Clear the display. This used to be before the font unpacking
        !            85:         * but it crashes. Figure it out later.
        !            86:         */
        !            87:        gatorbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
        !            88:        tile_mover_waitbusy(REGADDR);
        !            89: 
        !            90:        /*
        !            91:         * Stash the inverted cursor.
        !            92:         */
        !            93:        gatorbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
        !            94:                            ip->cblanky, ip->cblankx, ip->ftheight,
        !            95:                            ip->ftwidth, RR_COPYINVERTED);
        !            96: }
        !            97: 
        !            98: gatorbox_putc(ip, c, dy, dx, mode)
        !            99:        register struct ite_softc *ip;
        !           100:         register int dy, dx;
        !           101:        int c, mode;
        !           102: {
        !           103:        gatorbox_windowmove(ip, charY(ip, c), charX(ip, c),
        !           104:                            dy * ip->ftheight, dx * ip->ftwidth,
        !           105:                            ip->ftheight, ip->ftwidth, RR_COPY);
        !           106: }
        !           107: 
        !           108: gatorbox_cursor(ip, flag)
        !           109:        register struct ite_softc *ip;
        !           110:         register int flag;
        !           111: {
        !           112:        if (flag == DRAW_CURSOR)
        !           113:                draw_cursor(ip)
        !           114:        else if (flag == MOVE_CURSOR) {
        !           115:                erase_cursor(ip)
        !           116:                draw_cursor(ip)
        !           117:        }
        !           118:        else
        !           119:                erase_cursor(ip)
        !           120: }
        !           121: 
        !           122: gatorbox_clear(ip, sy, sx, h, w)
        !           123:        struct ite_softc *ip;
        !           124:        register int sy, sx, h, w;
        !           125: {
        !           126:        gatorbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
        !           127:                            sy * ip->ftheight, sx * ip->ftwidth, 
        !           128:                            h  * ip->ftheight, w  * ip->ftwidth,
        !           129:                            RR_CLEAR);
        !           130: }
        !           131: 
        !           132: #define        gatorbox_blockmove(ip, sy, sx, dy, dx, h, w) \
        !           133:        gatorbox_windowmove((ip), \
        !           134:                            (sy) * ip->ftheight, \
        !           135:                            (sx) * ip->ftwidth, \
        !           136:                            (dy) * ip->ftheight, \
        !           137:                            (dx) * ip->ftwidth, \
        !           138:                            (h)  * ip->ftheight, \
        !           139:                            (w)  * ip->ftwidth, \
        !           140:                            RR_COPY)
        !           141: 
        !           142: gatorbox_scroll(ip, sy, sx, count, dir)
        !           143:         register struct ite_softc *ip;
        !           144:         register int sy;
        !           145:         int dir, sx, count;
        !           146: {
        !           147:        register int height, dy, i;
        !           148:        
        !           149:        tile_mover_waitbusy(REGADDR);
        !           150:        REGBASE->write_protect = 0x0;
        !           151: 
        !           152:        gatorbox_cursor(ip, ERASE_CURSOR);
        !           153: 
        !           154:        dy = sy - count;
        !           155:        height = ip->rows - sy;
        !           156:        for (i = 0; i < height; i++)
        !           157:                gatorbox_blockmove(ip, sy + i, sx, dy + i, 0, 1, ip->cols);
        !           158: }
        !           159: 
        !           160: gatorbox_windowmove(ip, sy, sx, dy, dx, h, w, mask)
        !           161:      register struct ite_softc *ip;
        !           162:      int sy, sx, dy, dx, mask;
        !           163:      register int h, w;
        !           164: {
        !           165:        register int src, dest;
        !           166: 
        !           167:        src  = (sy * 1024) + sx;        /* upper left corner in pixels */
        !           168:        dest = (dy * 1024) + dx;
        !           169: 
        !           170:        tile_mover_waitbusy(REGADDR);
        !           171:        REGBASE->width = -(w / 4);
        !           172:        REGBASE->height = -(h / 4);
        !           173:        if (src < dest)
        !           174:                REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask;
        !           175:        else {
        !           176:                REGBASE->rep_rule = MOVE_UP_LEFT|mask;
        !           177:                /*
        !           178:                 * Adjust to top of lower right tile of the block.
        !           179:                 */
        !           180:                src = src + ((h - 4) * 1024) + (w - 4);
        !           181:                dest= dest + ((h - 4) * 1024) + (w - 4);
        !           182:        }
        !           183:        FBBASE[dest] = FBBASE[src];
        !           184: }
        !           185: #endif

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