xref: /netbsd/sys/arch/hp300/stand/common/ite_dv.c (revision 6550d01e)
1 /*	$NetBSD: ite_dv.c,v 1.6 2006/01/28 12:00:56 tsutsui Exp $	*/
2 
3 /*
4  * Copyright (c) 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * the Systems Programming Group of the University of Utah Computer
9  * Science Department.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  * from: Utah $Hdr: ite_dv.c 1.2 92/01/20$
36  *
37  *	@(#)ite_dv.c	8.1 (Berkeley) 6/10/93
38  */
39 /*
40  * Copyright (c) 1988 University of Utah.
41  *
42  * This code is derived from software contributed to Berkeley by
43  * the Systems Programming Group of the University of Utah Computer
44  * Science Department.
45  *
46  * Redistribution and use in source and binary forms, with or without
47  * modification, are permitted provided that the following conditions
48  * are met:
49  * 1. Redistributions of source code must retain the above copyright
50  *    notice, this list of conditions and the following disclaimer.
51  * 2. Redistributions in binary form must reproduce the above copyright
52  *    notice, this list of conditions and the following disclaimer in the
53  *    documentation and/or other materials provided with the distribution.
54  * 3. All advertising materials mentioning features or use of this software
55  *    must display the following acknowledgement:
56  *	This product includes software developed by the University of
57  *	California, Berkeley and its contributors.
58  * 4. Neither the name of the University nor the names of its contributors
59  *    may be used to endorse or promote products derived from this software
60  *    without specific prior written permission.
61  *
62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72  * SUCH DAMAGE.
73  *
74  * from: Utah $Hdr: ite_dv.c 1.2 92/01/20$
75  *
76  *	@(#)ite_dv.c	8.1 (Berkeley) 6/10/93
77  */
78 
79 #ifdef ITECONSOLE
80 
81 #include <sys/param.h>
82 
83 #include <hp300/dev/itereg.h>
84 #include <hp300/dev/grf_dvreg.h>
85 
86 #include <hp300/stand/common/samachdep.h>
87 #include <hp300/stand/common/itevar.h>
88 
89 #define WINDOWMOVER	dvbox_windowmove
90 
91 static void dv_reset(struct dvboxfb *);
92 static void dvbox_windowmove(struct ite_data *, int, int, int, int,
93     int, int, int);
94 
95 void
96 dvbox_init(struct ite_data *ip)
97 {
98 	struct dvboxfb *regbase;
99 	int i;
100 
101 	regbase = (void *)ip->regbase;
102 	dv_reset(regbase);
103 	DELAY(4000);
104 
105 	/*
106 	 * Turn on frame buffer, turn on overlay planes, set replacement
107 	 * rule, enable top overlay plane writes for ite, disable all frame
108 	 * buffer planes, set byte per pixel, and display frame buffer 0.
109 	 * Lastly, turn on the box.
110 	 */
111 	regbase->interrupt = 0x04;
112 	regbase->drive     = 0x10;
113 	regbase->rep_rule  = RR_COPY << 4 | RR_COPY;
114 	regbase->opwen     = 0x01;
115 	regbase->fbwen     = 0x0;
116 	regbase->fold      = 0x01;
117 	regbase->vdrive    = 0x0;
118 	regbase->dispen    = 0x01;
119 
120 	/*
121 	 * Video enable top overlay plane.
122 	 */
123 	regbase->opvenp = 0x01;
124 	regbase->opvens = 0x01;
125 
126 	/*
127 	 * Make sure that overlay planes override frame buffer planes.
128 	 */
129 	regbase->ovly0p  = 0x0;
130 	regbase->ovly0s  = 0x0;
131 	regbase->ovly1p  = 0x0;
132 	regbase->ovly1s  = 0x0;
133 	regbase->fv_trig = 0x1;
134 	DELAY(400);
135 
136 	/*
137 	 * Setup the overlay colormaps. Need to set the 0,1 (black/white)
138 	 * color for both banks.
139 	 */
140 
141 	for (i = 0; i <= 1; i++) {
142 		regbase->cmapbank = i;
143 		regbase->rgb[0].red   = 0x00;
144 		regbase->rgb[0].green = 0x00;
145 		regbase->rgb[0].blue  = 0x00;
146 		regbase->rgb[1].red   = 0xFF;
147 		regbase->rgb[1].green = 0xFF;
148 		regbase->rgb[1].blue  = 0xFF;
149 	}
150 
151 	regbase->cmapbank = 0;
152 
153 	db_waitbusy(regbase);
154 
155 	ite_fontinfo(ip);
156 	ite_fontinit(ip);
157 
158 	/*
159 	 * Clear the (visible) framebuffer.
160 	 */
161 	dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
162 	db_waitbusy(regbase);
163 
164 	/*
165 	 * Stash the inverted cursor.
166 	 */
167 	dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
168 			 ip->cblanky, ip->cblankx, ip->ftheight,
169 			 ip->ftwidth, RR_COPYINVERTED);
170 	db_waitbusy(regbase);
171 }
172 
173 void
174 dvbox_putc(struct ite_data *ip, int c, int dy, int dx, int mode)
175 {
176 
177 	dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
178 			 dy * ip->ftheight, dx * ip->ftwidth,
179 			 ip->ftheight, ip->ftwidth, RR_COPY);
180 }
181 
182 void
183 dvbox_cursor(struct ite_data *ip, int flag)
184 {
185 	if (flag == DRAW_CURSOR)
186 		draw_cursor(ip)
187 	else if (flag == MOVE_CURSOR) {
188 		erase_cursor(ip)
189 		draw_cursor(ip)
190 	}
191 	else
192 		erase_cursor(ip)
193 }
194 
195 void
196 dvbox_clear(struct ite_data *ip, int sy, int sx, int h, int w)
197 {
198 
199 	dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
200 			 sy * ip->ftheight, sx * ip->ftwidth,
201 			 h  * ip->ftheight, w  * ip->ftwidth,
202 			 RR_CLEAR);
203 }
204 
205 void
206 dvbox_scroll(struct ite_data *ip, int sy, int sx, int count, int dir)
207 {
208 	int dy = sy - count;
209 	int height = ip->rows - sy;
210 
211 	dvbox_cursor(ip, ERASE_CURSOR);
212 
213 	dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
214 			 dy * ip->ftheight, sx * ip->ftwidth,
215 			 height * ip->ftheight,
216 			 ip->cols * ip->ftwidth, RR_COPY);
217 }
218 
219 void
220 dvbox_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx,
221     int h, int w, int func)
222 {
223 	struct dvboxfb *dp = (void *)ip->regbase;
224 
225 	if (h == 0 || w == 0)
226 		return;
227 
228 	db_waitbusy(dp);
229 	dp->rep_rule = func << 4 | func;
230 	dp->source_y = sy;
231 	dp->source_x = sx;
232 	dp->dest_y   = dy;
233 	dp->dest_x   = dx;
234 	dp->wheight  = h;
235 	dp->wwidth   = w;
236 	dp->wmove    = 1;
237 }
238 
239 static void
240 dv_reset(struct dvboxfb *dbp)
241 {
242 
243 	dbp->reset = 0x80;
244 	DELAY(400);
245 
246 	dbp->interrupt = 0x04;
247 	dbp->en_scan   = 0x01;
248 	dbp->fbwen     = ~0;
249 	dbp->opwen     = ~0;
250 	dbp->fold      = 0x01;
251 	dbp->drive     = 0x01;
252 	dbp->rep_rule  = 0x33;
253 	dbp->alt_rr    = 0x33;
254 	dbp->zrr       = 0x33;
255 
256 	dbp->fbvenp    = 0xFF;
257 	dbp->dispen    = 0x01;
258 	dbp->fbvens    = 0x0;
259 	dbp->fv_trig   = 0x01;
260 	DELAY(400);
261 	dbp->vdrive    = 0x0;
262 	dbp->zconfig   = 0x0;
263 
264 	while (dbp->wbusy & 0x01)
265 		DELAY(400);
266 
267 	/*
268 	 * Start of missing ROM code.
269 	 */
270 	dbp->cmapbank = 0;
271 
272 	dbp->red0   = 0;
273 	dbp->red1   = 0;
274 	dbp->green0 = 0;
275 	dbp->green1 = 0;
276 	dbp->blue0  = 0;
277 	dbp->blue1  = 0;
278 
279 	dbp->panxh   = 0;
280 	dbp->panxl   = 0;
281 	dbp->panyh   = 0;
282 	dbp->panyl   = 0;
283 	dbp->zoom    = 0;
284 	dbp->cdwidth = 0x50;
285 	dbp->chstart = 0x52;
286 	dbp->cvwidth = 0x22;
287 	dbp->pz_trig = 1;
288 	/*
289 	 * End of missing ROM code.
290 	 */
291 }
292 
293 #endif
294