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ite_gb.c revision 1.8
      1 /*	$NetBSD: ite_gb.c,v 1.8 2011/02/08 20:20:14 rmind Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1988 University of Utah.
      5  * Copyright (c) 1990, 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  * the Systems Programming Group of the University of Utah Computer
     10  * Science Department.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  * from: Utah $Hdr: ite_gb.c 1.9 92/01/20$
     37  *
     38  *	@(#)ite_gb.c	8.1 (Berkeley) 6/10/93
     39  */
     40 
     41 #ifdef ITECONSOLE
     42 
     43 #include <sys/param.h>
     44 
     45 #include <hp300/stand/common/itereg.h>
     46 #include <hp300/stand/common/grf_gbreg.h>
     47 
     48 #include <hp300/stand/common/samachdep.h>
     49 #include <hp300/stand/common/itevar.h>
     50 
     51 #define WINDOWMOVER 	gbox_windowmove
     52 
     53 void gbox_windowmove(struct ite_data *, int, int, int, int, int, int, int);
     54 
     55 void
     56 gbox_init(struct ite_data *ip)
     57 {
     58 	struct gboxfb *regbase = (void *)ip->regbase;
     59 
     60 	regbase->write_protect = 0x0;
     61 	regbase->interrupt = 0x4;
     62 	regbase->rep_rule = RR_COPY;
     63 	regbase->blink1 = 0xff;
     64 	regbase->blink2 = 0xff;
     65 	regbase->sec_interrupt = 0x01;
     66 
     67 	/*
     68 	 * Set up the color map entries. We use three entries in the
     69 	 * color map. The first, is for black, the second is for
     70 	 * white, and the very last entry is for the inverted cursor.
     71 	 */
     72 	regbase->creg_select = 0x00;
     73 	regbase->cmap_red    = 0x00;
     74 	regbase->cmap_grn    = 0x00;
     75 	regbase->cmap_blu    = 0x00;
     76 	regbase->cmap_write  = 0x00;
     77 	gbcm_waitbusy(regbase);
     78 
     79 	regbase->creg_select = 0x01;
     80 	regbase->cmap_red    = 0xFF;
     81 	regbase->cmap_grn    = 0xFF;
     82 	regbase->cmap_blu    = 0xFF;
     83 	regbase->cmap_write  = 0x01;
     84 	gbcm_waitbusy(regbase);
     85 
     86 	regbase->creg_select = 0xFF;
     87 	regbase->cmap_red    = 0xFF;
     88 	regbase->cmap_grn    = 0xFF;
     89 	regbase->cmap_blu    = 0xFF;
     90 	regbase->cmap_write  = 0x01;
     91 	gbcm_waitbusy(regbase);
     92 
     93 	ite_fontinfo(ip);
     94 	ite_fontinit(ip);
     95 
     96 	/*
     97 	 * Clear the display. This used to be before the font unpacking
     98 	 * but it crashes. Figure it out later.
     99 	 */
    100 	gbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
    101 	tile_mover_waitbusy(regbase);
    102 
    103 	/*
    104 	 * Stash the inverted cursor.
    105 	 */
    106 	gbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
    107 			ip->cblanky, ip->cblankx, ip->ftheight,
    108 			ip->ftwidth, RR_COPYINVERTED);
    109 }
    110 
    111 void
    112 gbox_putc(struct ite_data *ip, int c, int dy, int dx, int mode)
    113 {
    114 
    115 	gbox_windowmove(ip, charY(ip, c), charX(ip, c),
    116 			dy * ip->ftheight, dx * ip->ftwidth,
    117 			ip->ftheight, ip->ftwidth, RR_COPY);
    118 }
    119 
    120 void
    121 gbox_cursor(struct ite_data *ip, int flag)
    122 {
    123 
    124 	if (flag == DRAW_CURSOR)
    125 		draw_cursor(ip)
    126 	else if (flag == MOVE_CURSOR) {
    127 		erase_cursor(ip)
    128 		draw_cursor(ip)
    129 	} else
    130 		erase_cursor(ip)
    131 }
    132 
    133 void
    134 gbox_clear(struct ite_data *ip, int sy, int sx, int h, int w)
    135 {
    136 
    137 	gbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
    138 			sy * ip->ftheight, sx * ip->ftwidth,
    139 			h  * ip->ftheight, w  * ip->ftwidth,
    140 			RR_CLEAR);
    141 }
    142 
    143 #define	gbox_blockmove(ip, sy, sx, dy, dx, h, w) \
    144 	gbox_windowmove((ip), \
    145 			(sy) * ip->ftheight, \
    146 			(sx) * ip->ftwidth, \
    147 			(dy) * ip->ftheight, \
    148 			(dx) * ip->ftwidth, \
    149 			(h)  * ip->ftheight, \
    150 			(w)  * ip->ftwidth, \
    151 			RR_COPY)
    152 
    153 void
    154 gbox_scroll(struct ite_data *ip, int sy, int sx, int count, int dir)
    155 {
    156 	struct gboxfb *regbase = (void *)ip->regbase;
    157 	int height, dy, i;
    158 
    159 	tile_mover_waitbusy(regbase);
    160 	regbase->write_protect = 0x0;
    161 
    162 	gbox_cursor(ip, ERASE_CURSOR);
    163 
    164 	dy = sy - count;
    165 	height = ip->rows - sy;
    166 	for (i = 0; i < height; i++)
    167 		gbox_blockmove(ip, sy + i, sx, dy + i, 0, 1, ip->cols);
    168 }
    169 
    170 void
    171 gbox_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
    172     int w, int mask)
    173 {
    174 	struct gboxfb *regbase = (void *)ip->regbase;
    175 	int src, dest;
    176 
    177 	src  = (sy * 1024) + sx;	/* upper left corner in pixels */
    178 	dest = (dy * 1024) + dx;
    179 
    180 	tile_mover_waitbusy(regbase);
    181 	regbase->width = -(w / 4);
    182 	regbase->height = -(h / 4);
    183 	if (src < dest)
    184 		regbase->rep_rule = MOVE_DOWN_RIGHT|mask;
    185 	else {
    186 		regbase->rep_rule = MOVE_UP_LEFT|mask;
    187 		/*
    188 		 * Adjust to top of lower right tile of the block.
    189 		 */
    190 		src = src + ((h - 4) * 1024) + (w - 4);
    191 		dest= dest + ((h - 4) * 1024) + (w - 4);
    192 	}
    193 	FBBASE[dest] = FBBASE[src];
    194 }
    195 #endif
    196