1 /* $NetBSD: wscons_rops.c,v 1.11 2005/12/11 12:24:12 christos 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. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  *
40  *        @(#)rcons_subr.c    8.1 (Berkeley) 6/11/93
41  */
42 
43 #include <sys/cdefs.h>
44 __KERNEL_RCSID(0, "$NetBSD: wscons_rops.c,v 1.11 2005/12/11 12:24:12 christos Exp $");
45 
46 #include <sys/param.h>
47 #include <sys/device.h>
48 
49 #include <dev/rcons/raster.h>
50 #include <dev/wscons/wscons_raster.h>
51 #include <dev/wscons/wsdisplayvar.h>
52 
53 /*
54  * Paint (or unpaint) the cursor.
55  * Pays no lip service to hardware cursors.
56  */
57 void
rcons_cursor(void * id,int on,int row,int col)58 rcons_cursor(void *id, int on, int row, int col)
59 {
60           struct rcons *rc = id;
61           int x, y;
62 
63           /* turn the cursor off */
64           if (!on) {
65                     /* make sure it's on */
66                     if ((rc->rc_bits & RC_CURSOR) == 0)
67                               return;
68 
69                     row = *rc->rc_crowp;
70                     col = *rc->rc_ccolp;
71           } else {
72                     /* unpaint the old copy. */
73                     *rc->rc_crowp = row;
74                     *rc->rc_ccolp = col;
75           }
76 
77           x = col * rc->rc_font->width + rc->rc_xorigin;
78           y = row * rc->rc_font->height + rc->rc_yorigin;
79 
80           raster_op(rc->rc_sp, x, y,
81 #ifdef notdef
82               /* XXX This is the right way but too slow */
83               rc->rc_font->chars[(int)' '].r->width,
84               rc->rc_font->chars[(int)' '].r->height,
85 #else
86               rc->rc_font->width, rc->rc_font->height,
87 #endif
88               RAS_INVERT,
89               (struct raster *) 0, 0, 0);
90 
91           rc->rc_bits ^= RC_CURSOR;
92 }
93 
94 int
rcons_mapchar(void * id,int uni,unsigned int * index)95 rcons_mapchar(void *id, int uni, unsigned int *index)
96 {
97 
98           if (uni < 128) {
99                     *index = uni;
100                     return (5);
101           }
102           *index = ' ';
103           return (0);
104 }
105 
106 /*
107  * Actually write a string to the frame buffer.
108  */
109 void
rcons_putchar(void * id,int row,int col,u_int uc,long attr)110 rcons_putchar(void *id, int row, int col, u_int uc, long attr)
111 {
112           struct rcons *rc = id;
113           int x, y, op;
114           u_char help;
115 
116           x = col * rc->rc_font->width + rc->rc_xorigin;
117           y = row * rc->rc_font->height + rc->rc_font_ascent + rc->rc_yorigin;
118 
119           op = RAS_SRC;
120           if ((attr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
121                     op = RAS_NOT(op);
122           help = uc & 0xff;
123           raster_textn(rc->rc_sp, x, y, op, rc->rc_font, &help, 1);
124 }
125 
126 /*
127  * Possibly change to white-on-black or black-on-white modes.
128  */
129 void
rcons_invert(void * id,int inverted)130 rcons_invert(void *id, int inverted)
131 {
132           struct rcons *rc = id;
133 
134           if (((rc->rc_bits & RC_INVERT) != 0) ^ inverted) {
135                     /* Invert the display */
136                     raster_op(rc->rc_sp, 0, 0, rc->rc_sp->width, rc->rc_sp->height,
137                         RAS_INVERT, (struct raster *) 0, 0, 0);
138 
139                     /* Swap things around */
140                     rc->rc_bits ^= RC_INVERT;
141           }
142 }
143 
144 /*
145  * Copy columns (characters) in a row (line).
146  */
147 void
rcons_copycols(void * id,int row,int srccol,int dstcol,int ncols)148 rcons_copycols(void *id, int row, int srccol, int dstcol, int ncols)
149 {
150           struct rcons *rc = id;
151           int y, srcx, dstx, nx;
152 
153           y = rc->rc_yorigin + rc->rc_font->height * row;
154           srcx = rc->rc_xorigin + rc->rc_font->width * srccol;
155           dstx = rc->rc_xorigin + rc->rc_font->width * dstcol;
156           nx = rc->rc_font->width * ncols;
157 
158           raster_op(rc->rc_sp, dstx, y,
159               nx, rc->rc_font->height, RAS_SRC,
160               rc->rc_sp, srcx, y);
161 }
162 
163 /*
164  * Clear columns (characters) in a row (line).
165  */
166 void
rcons_erasecols(void * id,int row,int startcol,int ncols,long fillattr)167 rcons_erasecols(void *id, int row, int startcol, int ncols, long fillattr)
168 {
169           struct rcons *rc = id;
170           int y, startx, nx, op;
171 
172           y = rc->rc_yorigin + rc->rc_font->height * row;
173           startx = rc->rc_xorigin + rc->rc_font->width * startcol;
174           nx = rc->rc_font->width * ncols;
175 
176           op = RAS_CLEAR;
177           if ((fillattr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
178                     op = RAS_NOT(op);
179           raster_op(rc->rc_sp, startx, y,
180               nx, rc->rc_font->height, op,
181               (struct raster *) 0, 0, 0);
182 }
183 
184 /*
185  * Copy rows (lines).
186  */
187 void
rcons_copyrows(void * id,int srcrow,int dstrow,int nrows)188 rcons_copyrows(void *id, int srcrow, int dstrow, int nrows)
189 {
190           struct rcons *rc = id;
191           int srcy, dsty, ny;
192 
193           srcy = rc->rc_yorigin + rc->rc_font->height * srcrow;
194           dsty = rc->rc_yorigin + rc->rc_font->height * dstrow;
195           ny = rc->rc_font->height * nrows;
196 
197           raster_op(rc->rc_sp, rc->rc_xorigin, dsty,
198               rc->rc_raswidth, ny, RAS_SRC,
199               rc->rc_sp, rc->rc_xorigin, srcy);
200 }
201 
202 /*
203  * Erase rows (lines).
204  */
205 void
rcons_eraserows(void * id,int startrow,int nrows,long fillattr)206 rcons_eraserows(void *id, int startrow, int nrows, long fillattr)
207 {
208           struct rcons *rc = id;
209           int starty, ny, op;
210 
211           starty = rc->rc_yorigin + rc->rc_font->height * startrow;
212           ny = rc->rc_font->height * nrows;
213 
214           op = RAS_CLEAR;
215           if ((fillattr != 0) ^ ((rc->rc_bits & RC_INVERT) != 0))
216                     op = RAS_NOT(op);
217           raster_op(rc->rc_sp, rc->rc_xorigin, starty,
218               rc->rc_raswidth, ny, op,
219               (struct raster *) 0, 0, 0);
220 }
221 
222 int
rcons_allocattr(void * id,int fg,int bg,int flags,long * attrp)223 rcons_allocattr(void *id, int fg, int bg, int flags, long *attrp)
224 {
225           if (flags & (WSATTR_HILIT | WSATTR_BLINK |
226                          WSATTR_UNDERLINE | WSATTR_WSCOLORS))
227                     return (EINVAL);
228           if (flags & WSATTR_REVERSE)
229                     *attrp = 1;
230           else
231                     *attrp = 0;
232           return (0);
233 }
234