ite_dv.c revision 1.3
1 /* $NetBSD: ite_dv.c,v 1.3 2003/11/14 16:52:40 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(ip) 97 struct ite_data *ip; 98 { 99 struct dvboxfb *regbase; 100 int i; 101 102 regbase = (void *)ip->regbase; 103 dv_reset(regbase); 104 DELAY(4000); 105 106 /* 107 * Turn on frame buffer, turn on overlay planes, set replacement 108 * rule, enable top overlay plane writes for ite, disable all frame 109 * buffer planes, set byte per pixel, and display frame buffer 0. 110 * Lastly, turn on the box. 111 */ 112 regbase->interrupt = 0x04; 113 regbase->drive = 0x10; 114 regbase->rep_rule = RR_COPY << 4 | RR_COPY; 115 regbase->opwen = 0x01; 116 regbase->fbwen = 0x0; 117 regbase->fold = 0x01; 118 regbase->vdrive = 0x0; 119 regbase->dispen = 0x01; 120 121 /* 122 * Video enable top overlay plane. 123 */ 124 regbase->opvenp = 0x01; 125 regbase->opvens = 0x01; 126 127 /* 128 * Make sure that overlay planes override frame buffer planes. 129 */ 130 regbase->ovly0p = 0x0; 131 regbase->ovly0s = 0x0; 132 regbase->ovly1p = 0x0; 133 regbase->ovly1s = 0x0; 134 regbase->fv_trig = 0x1; 135 DELAY(400); 136 137 /* 138 * Setup the overlay colormaps. Need to set the 0,1 (black/white) 139 * color for both banks. 140 */ 141 142 for (i = 0; i <= 1; i++) { 143 regbase->cmapbank = i; 144 regbase->rgb[0].red = 0x00; 145 regbase->rgb[0].green = 0x00; 146 regbase->rgb[0].blue = 0x00; 147 regbase->rgb[1].red = 0xFF; 148 regbase->rgb[1].green = 0xFF; 149 regbase->rgb[1].blue = 0xFF; 150 } 151 152 regbase->cmapbank = 0; 153 154 db_waitbusy(regbase); 155 156 ite_fontinfo(ip); 157 ite_fontinit(ip); 158 159 /* 160 * Clear the (visible) framebuffer. 161 */ 162 dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR); 163 db_waitbusy(regbase); 164 165 /* 166 * Stash the inverted cursor. 167 */ 168 dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '), 169 ip->cblanky, ip->cblankx, ip->ftheight, 170 ip->ftwidth, RR_COPYINVERTED); 171 db_waitbusy(regbase); 172 } 173 174 void 175 dvbox_putc(ip, c, dy, dx, mode) 176 struct ite_data *ip; 177 int dy, dx; 178 int c, mode; 179 { 180 dvbox_windowmove(ip, charY(ip, c), charX(ip, c), 181 dy * ip->ftheight, dx * ip->ftwidth, 182 ip->ftheight, ip->ftwidth, RR_COPY); 183 } 184 185 void 186 dvbox_cursor(ip, flag) 187 struct ite_data *ip; 188 int flag; 189 { 190 if (flag == DRAW_CURSOR) 191 draw_cursor(ip) 192 else if (flag == MOVE_CURSOR) { 193 erase_cursor(ip) 194 draw_cursor(ip) 195 } 196 else 197 erase_cursor(ip) 198 } 199 200 void 201 dvbox_clear(ip, sy, sx, h, w) 202 struct ite_data *ip; 203 int sy, sx, h, w; 204 { 205 dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, 206 sy * ip->ftheight, sx * ip->ftwidth, 207 h * ip->ftheight, w * ip->ftwidth, 208 RR_CLEAR); 209 } 210 211 void 212 dvbox_scroll(ip, sy, sx, count, dir) 213 struct ite_data *ip; 214 int sy, count; 215 int dir, sx; 216 { 217 int dy = sy - count; 218 int height = ip->rows - sy; 219 220 dvbox_cursor(ip, ERASE_CURSOR); 221 222 dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, 223 dy * ip->ftheight, sx * ip->ftwidth, 224 height * ip->ftheight, 225 ip->cols * ip->ftwidth, RR_COPY); 226 } 227 228 void 229 dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func) 230 struct ite_data *ip; 231 int sy, sx, dy, dx, h, w, func; 232 { 233 struct dvboxfb *dp = (void *)ip->regbase; 234 if (h == 0 || w == 0) 235 return; 236 237 db_waitbusy(dp); 238 dp->rep_rule = func << 4 | func; 239 dp->source_y = sy; 240 dp->source_x = sx; 241 dp->dest_y = dy; 242 dp->dest_x = dx; 243 dp->wheight = h; 244 dp->wwidth = w; 245 dp->wmove = 1; 246 } 247 248 static void 249 dv_reset(dbp) 250 struct dvboxfb *dbp; 251 { 252 253 dbp->reset = 0x80; 254 DELAY(400); 255 256 dbp->interrupt = 0x04; 257 dbp->en_scan = 0x01; 258 dbp->fbwen = ~0; 259 dbp->opwen = ~0; 260 dbp->fold = 0x01; 261 dbp->drive = 0x01; 262 dbp->rep_rule = 0x33; 263 dbp->alt_rr = 0x33; 264 dbp->zrr = 0x33; 265 266 dbp->fbvenp = 0xFF; 267 dbp->dispen = 0x01; 268 dbp->fbvens = 0x0; 269 dbp->fv_trig = 0x01; 270 DELAY(400); 271 dbp->vdrive = 0x0; 272 dbp->zconfig = 0x0; 273 274 while (dbp->wbusy & 0x01) 275 DELAY(400); 276 277 /* 278 * Start of missing ROM code. 279 */ 280 dbp->cmapbank = 0; 281 282 dbp->red0 = 0; 283 dbp->red1 = 0; 284 dbp->green0 = 0; 285 dbp->green1 = 0; 286 dbp->blue0 = 0; 287 dbp->blue1 = 0; 288 289 dbp->panxh = 0; 290 dbp->panxl = 0; 291 dbp->panyh = 0; 292 dbp->panyl = 0; 293 dbp->zoom = 0; 294 dbp->cdwidth = 0x50; 295 dbp->chstart = 0x52; 296 dbp->cvwidth = 0x22; 297 dbp->pz_trig = 1; 298 /* 299 * End of missing ROM code. 300 */ 301 } 302 303 #endif 304
Indexes created Sat Sep 27 22:09:54 GMT 2025