sys/dev/wscons/wscons_rops.c

   1 /* $NetBSD: wscons_rops.c,v 1.9.6.3 2004/09/21 13:34:29 skrll 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 1.9.6.3 2004/09/21 13:34:29 skrll 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
  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
  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
 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
 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
 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
 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
 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
 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
 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 }