wscons_rops.c revision 1.8 1 /* $NetBSD: wscons_rops.c,v 1.8 2001/11/13 06:17:46 lukem 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 1.8 2001/11/13 06:17:46 lukem 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_alloc_attr(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