1/*	$NetBSD: ite_gb.c,v 1.9 2011/02/10 11:08:23 tsutsui 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
51void gbox_windowmove(struct ite_data *, int, int, int, int, int, int, int);
52
53void
54gbox_init(struct ite_data *ip)
55{
56	struct gboxfb *regbase = (void *)ip->regbase;
57
58	ip->bmv = gbox_windowmove;
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_fontinit8bpp(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
111void
112gbox_scroll(struct ite_data *ip)
113{
114	struct gboxfb *regbase = (void *)ip->regbase;
115
116	tile_mover_waitbusy(regbase);
117	regbase->write_protect = 0x0;
118
119	ite_dio_scroll(ip);
120}
121
122void
123gbox_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
124    int w, int mask)
125{
126	struct gboxfb *regbase = (void *)ip->regbase;
127	int src, dest;
128
129	src  = (sy * 1024) + sx;	/* upper left corner in pixels */
130	dest = (dy * 1024) + dx;
131
132	tile_mover_waitbusy(regbase);
133	regbase->width = -(w / 4);
134	regbase->height = -(h / 4);
135	if (src < dest)
136		regbase->rep_rule = MOVE_DOWN_RIGHT|mask;
137	else {
138		regbase->rep_rule = MOVE_UP_LEFT|mask;
139		/*
140		 * Adjust to top of lower right tile of the block.
141		 */
142		src = src + ((h - 4) * 1024) + (w - 4);
143		dest= dest + ((h - 4) * 1024) + (w - 4);
144	}
145	FBBASE[dest] = FBBASE[src];
146}
147#endif
148