xref: /netbsd-src/sys/arch/hp300/stand/common/ite_tc.c (revision 203bd0c1a48c48d92896e92e33923d94f6de6e2f)
1 /*	$NetBSD: ite_tc.c,v 1.11 2021/07/05 13:41:08 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 $Hdr: ite_tc.c 1.11 92/01/20$
37  *
38  *	@(#)ite_tc.c	8.1 (Berkeley) 6/10/93
39  */
40 
41 #ifdef ITECONSOLE
42 
43 #include <sys/param.h>
44 
45 #include <hp300/dev/diofbreg.h>
46 #include <hp300/stand/common/itereg.h>
47 #include <hp300/stand/common/grf_tcreg.h>
48 
49 #include <hp300/stand/common/samachdep.h>
50 #include <hp300/stand/common/itevar.h>
51 
52 void topcat_windowmove(struct ite_data *, int, int, int, int, int, int, int);
53 
54 void
topcat_init(struct ite_data * ip)55 topcat_init(struct ite_data *ip)
56 {
57 	struct tcboxfb *regbase = (void *)ip->regbase;
58 
59 	ip->bmv = topcat_windowmove;
60 
61 	/*
62 	 * Catseye looks a lot like a topcat, but not completely.
63 	 * So, we set some bits to make it work.
64 	 */
65 	if (regbase->fbid != GID_TOPCAT) {
66 		while ((regbase->catseye_status & 1))
67 			;
68 		regbase->catseye_status = 0x0;
69 		regbase->vb_select      = 0x0;
70 		regbase->tcntrl         = 0x0;
71 		regbase->acntrl         = 0x0;
72 		regbase->pncntrl        = 0x0;
73 		regbase->rug_cmdstat    = 0x90;
74 	}
75 
76 	/*
77 	 * Determine the number of planes by writing to the first frame
78 	 * buffer display location, then reading it back.
79 	 */
80 	regbase->wen = ~0;
81 	regbase->fben = ~0;
82 	regbase->prr = RR_COPY;
83 	*FBBASE = 0xFF;
84 	ip->planemask = *FBBASE;
85 
86 	/*
87 	 * Enable reading/writing of all the planes.
88 	 */
89 	regbase->fben = ip->planemask;
90 	regbase->wen  = ip->planemask;
91 	regbase->ren  = ip->planemask;
92 	regbase->prr  = RR_COPY;
93 
94 	ite_fontinfo(ip);
95 
96 	/*
97 	 * Clear the framebuffer on all planes.
98 	 */
99 	topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
100 	tc_waitbusy(regbase, ip->planemask);
101 
102 	ite_fontinit8bpp(ip);
103 
104 	/*
105 	 * Stash the inverted cursor.
106 	 */
107 	topcat_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
108 			  ip->cblanky, ip->cblankx, ip->ftheight,
109 			  ip->ftwidth, RR_COPYINVERTED);
110 }
111 
112 void
topcat_windowmove(struct ite_data * ip,int sy,int sx,int dy,int dx,int h,int w,int func)113 topcat_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
114     int w, int func)
115 {
116 	struct tcboxfb *rp = (void *)ip->regbase;
117 
118 	if (h == 0 || w == 0)
119 		return;
120 	tc_waitbusy(rp, ip->planemask);
121 	rp->wmrr     = func;
122 	rp->source_y = sy;
123 	rp->source_x = sx;
124 	rp->dest_y   = dy;
125 	rp->dest_x   = dx;
126 	rp->wheight  = h;
127 	rp->wwidth   = w;
128 	rp->wmove    = ip->planemask;
129 }
130 #endif
131