xref: /netbsd/sys/dev/wscons/wscons_rops.c (revision c4a72b64)
1 /* $NetBSD: wscons_rops.c,v 1.9 2002/07/04 17:58:02 junyoung Exp $ */
2 
3 /*
4  * Copyright (c) 1991, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This software was developed by the Computer Systems Engineering group
8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9  * contributed to Berkeley.
10  *
11  * All advertising materials mentioning features or use of this software
12  * must display the following acknowledgement:
13  *	This product includes software developed by the University of
14  *	California, Lawrence Berkeley Laboratory.
15  *
16  * Redistribution and use in source and binary forms, with or without
17  * modification, are permitted provided that the following conditions
18  * are met:
19  * 1. Redistributions of source code must retain the above copyright
20  *    notice, this list of conditions and the following disclaimer.
21  * 2. Redistributions in binary form must reproduce the above copyright
22  *    notice, this list of conditions and the following disclaimer in the
23  *    documentation and/or other materials provided with the distribution.
24  * 3. All advertising materials mentioning features or use of this software
25  *    must display the following acknowledgement:
26  *	This product includes software developed by the University of
27  *	California, Berkeley and its contributors.
28  * 4. Neither the name of the University nor the names of its contributors
29  *    may be used to endorse or promote products derived from this software
30  *    without specific prior written permission.
31  *
32  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
33  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
36  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42  * SUCH DAMAGE.
43  *
44  *	@(#)rcons_subr.c	8.1 (Berkeley) 6/11/93
45  */
46 
47 #include <sys/cdefs.h>
48 __KERNEL_RCSID(0, "$NetBSD: wscons_rops.c,v 1.9 2002/07/04 17:58:02 junyoung Exp $");
49 
50 #include <sys/param.h>
51 #include <sys/device.h>
52 
53 #include <dev/rcons/raster.h>
54 #include <dev/wscons/wscons_raster.h>
55 #include <dev/wscons/wsdisplayvar.h>
56 
57 /*
58  * Paint (or unpaint) the cursor.
59  * Pays no lip service to hardware cursors.
60  */
61 void
62 rcons_cursor(void *id, int on, int row, int col)
63 {
64 	struct rcons *rc = id;
65 	int x, y;
66 
67 	/* turn the cursor off */
68 	if (!on) {
69 		/* make sure it's on */
70 		if ((rc->rc_bits & RC_CURSOR) == 0)
71 			return;
72 
73 		row = *rc->rc_crowp;
74 		col = *rc->rc_ccolp;
75 	} else {
76 		/* unpaint the old copy. */
77 		*rc->rc_crowp = row;
78 		*rc->rc_ccolp = col;
79 	}
80 
81 	x = col * rc->rc_font->width + rc->rc_xorigin;
82 	y = row * rc->rc_font->height + rc->rc_yorigin;
83 
84 	raster_op(rc->rc_sp, x, y,
85 #ifdef notdef
86 	    /* XXX This is the right way but too slow */
87 	    rc->rc_font->chars[(int)' '].r->width,
88 	    rc->rc_font->chars[(int)' '].r->height,
89 #else
90 	    rc->rc_font->width, rc->rc_font->height,
91 #endif
92 	    RAS_INVERT,
93 	    (struct raster *) 0, 0, 0);
94 
95 	rc->rc_bits ^= RC_CURSOR;
96 }
97 
98 int
99 rcons_mapchar(void *id, int uni, unsigned int *index)
100 {
101 
102 	if (uni < 128) {
103 		*index = uni;
104 		return (5);
105 	}
106 	*index = ' ';
107 	return (0);
108 }
109 
110 /*
111  * Actually write a string to the frame buffer.
112  */
113 void
114 rcons_putchar(void *id, int row, int col, u_int uc, long attr)
115 {
116 	struct rcons *rc = id;
117 	int x, y, op;
118 	u_char help;
119 
120 	x = col * rc->rc_font->width + rc->rc_xorigin;
121 	y = row * rc->rc_font->height + rc->rc_font_ascent + rc->rc_yorigin;
122 
123 	op = RAS_SRC;
124 	if ((attr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
125 		op = RAS_NOT(op);
126 	help = uc & 0xff;
127 	raster_textn(rc->rc_sp, x, y, op, rc->rc_font, &help, 1);
128 }
129 
130 /*
131  * Possibly change to white-on-black or black-on-white modes.
132  */
133 void
134 rcons_invert(void *id, int inverted)
135 {
136 	struct rcons *rc = id;
137 
138 	if (((rc->rc_bits & RC_INVERT) != 0) ^ inverted) {
139 		/* Invert the display */
140 		raster_op(rc->rc_sp, 0, 0, rc->rc_sp->width, rc->rc_sp->height,
141 		    RAS_INVERT, (struct raster *) 0, 0, 0);
142 
143 		/* Swap things around */
144 		rc->rc_bits ^= RC_INVERT;
145 	}
146 }
147 
148 /*
149  * Copy columns (characters) in a row (line).
150  */
151 void
152 rcons_copycols(void *id, int row, int srccol, int dstcol, int ncols)
153 {
154 	struct rcons *rc = id;
155 	int y, srcx, dstx, nx;
156 
157 	y = rc->rc_yorigin + rc->rc_font->height * row;
158 	srcx = rc->rc_xorigin + rc->rc_font->width * srccol;
159 	dstx = rc->rc_xorigin + rc->rc_font->width * dstcol;
160 	nx = rc->rc_font->width * ncols;
161 
162 	raster_op(rc->rc_sp, dstx, y,
163 	    nx, rc->rc_font->height, RAS_SRC,
164 	    rc->rc_sp, srcx, y);
165 }
166 
167 /*
168  * Clear columns (characters) in a row (line).
169  */
170 void
171 rcons_erasecols(void *id, int row, int startcol, int ncols, long fillattr)
172 {
173 	struct rcons *rc = id;
174 	int y, startx, nx, op;
175 
176 	y = rc->rc_yorigin + rc->rc_font->height * row;
177 	startx = rc->rc_xorigin + rc->rc_font->width * startcol;
178 	nx = rc->rc_font->width * ncols;
179 
180 	op = RAS_CLEAR;
181 	if ((fillattr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
182 		op = RAS_NOT(op);
183 	raster_op(rc->rc_sp, startx, y,
184 	    nx, rc->rc_font->height, op,
185 	    (struct raster *) 0, 0, 0);
186 }
187 
188 /*
189  * Copy rows (lines).
190  */
191 void
192 rcons_copyrows(void *id, int srcrow, int dstrow, int nrows)
193 {
194 	struct rcons *rc = id;
195 	int srcy, dsty, ny;
196 
197 	srcy = rc->rc_yorigin + rc->rc_font->height * srcrow;
198 	dsty = rc->rc_yorigin + rc->rc_font->height * dstrow;
199 	ny = rc->rc_font->height * nrows;
200 
201 	raster_op(rc->rc_sp, rc->rc_xorigin, dsty,
202 	    rc->rc_raswidth, ny, RAS_SRC,
203 	    rc->rc_sp, rc->rc_xorigin, srcy);
204 }
205 
206 /*
207  * Erase rows (lines).
208  */
209 void
210 rcons_eraserows(void *id, int startrow, int nrows, long fillattr)
211 {
212 	struct rcons *rc = id;
213 	int starty, ny, op;
214 
215 	starty = rc->rc_yorigin + rc->rc_font->height * startrow;
216 	ny = rc->rc_font->height * nrows;
217 
218 	op = RAS_CLEAR;
219 	if ((fillattr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
220 		op = RAS_NOT(op);
221 	raster_op(rc->rc_sp, rc->rc_xorigin, starty,
222 	    rc->rc_raswidth, ny, op,
223 	    (struct raster *) 0, 0, 0);
224 }
225 
226 int
227 rcons_allocattr(void *id, int fg, int bg, int flags, long *attrp)
228 {
229 	if (flags & (WSATTR_HILIT | WSATTR_BLINK |
230 		     WSATTR_UNDERLINE | WSATTR_WSCOLORS))
231 		return (EINVAL);
232 	if (flags & WSATTR_REVERSE)
233 		*attrp = 1;
234 	else
235 		*attrp = 0;
236 	return (0);
237 }
238