ite_dv.c revision 1.6
1 /* $NetBSD: ite_dv.c,v 1.6 2006/01/28 12:00:56 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(struct ite_data *ip) 97 { 98 struct dvboxfb *regbase; 99 int i; 100 101 regbase = (void *)ip->regbase; 102 dv_reset(regbase); 103 DELAY(4000); 104 105 /* 106 * Turn on frame buffer, turn on overlay planes, set replacement 107 * rule, enable top overlay plane writes for ite, disable all frame 108 * buffer planes, set byte per pixel, and display frame buffer 0. 109 * Lastly, turn on the box. 110 */ 111 regbase->interrupt = 0x04; 112 regbase->drive = 0x10; 113 regbase->rep_rule = RR_COPY << 4 | RR_COPY; 114 regbase->opwen = 0x01; 115 regbase->fbwen = 0x0; 116 regbase->fold = 0x01; 117 regbase->vdrive = 0x0; 118 regbase->dispen = 0x01; 119 120 /* 121 * Video enable top overlay plane. 122 */ 123 regbase->opvenp = 0x01; 124 regbase->opvens = 0x01; 125 126 /* 127 * Make sure that overlay planes override frame buffer planes. 128 */ 129 regbase->ovly0p = 0x0; 130 regbase->ovly0s = 0x0; 131 regbase->ovly1p = 0x0; 132 regbase->ovly1s = 0x0; 133 regbase->fv_trig = 0x1; 134 DELAY(400); 135 136 /* 137 * Setup the overlay colormaps. Need to set the 0,1 (black/white) 138 * color for both banks. 139 */ 140 141 for (i = 0; i <= 1; i++) { 142 regbase->cmapbank = i; 143 regbase->rgb[0].red = 0x00; 144 regbase->rgb[0].green = 0x00; 145 regbase->rgb[0].blue = 0x00; 146 regbase->rgb[1].red = 0xFF; 147 regbase->rgb[1].green = 0xFF; 148 regbase->rgb[1].blue = 0xFF; 149 } 150 151 regbase->cmapbank = 0; 152 153 db_waitbusy(regbase); 154 155 ite_fontinfo(ip); 156 ite_fontinit(ip); 157 158 /* 159 * Clear the (visible) framebuffer. 160 */ 161 dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR); 162 db_waitbusy(regbase); 163 164 /* 165 * Stash the inverted cursor. 166 */ 167 dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '), 168 ip->cblanky, ip->cblankx, ip->ftheight, 169 ip->ftwidth, RR_COPYINVERTED); 170 db_waitbusy(regbase); 171 } 172 173 void 174 dvbox_putc(struct ite_data *ip, int c, int dy, int dx, int mode) 175 { 176 177 dvbox_windowmove(ip, charY(ip, c), charX(ip, c), 178 dy * ip->ftheight, dx * ip->ftwidth, 179 ip->ftheight, ip->ftwidth, RR_COPY); 180 } 181 182 void 183 dvbox_cursor(struct ite_data *ip, int flag) 184 { 185 if (flag == DRAW_CURSOR) 186 draw_cursor(ip) 187 else if (flag == MOVE_CURSOR) { 188 erase_cursor(ip) 189 draw_cursor(ip) 190 } 191 else 192 erase_cursor(ip) 193 } 194 195 void 196 dvbox_clear(struct ite_data *ip, int sy, int sx, int h, int w) 197 { 198 199 dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, 200 sy * ip->ftheight, sx * ip->ftwidth, 201 h * ip->ftheight, w * ip->ftwidth, 202 RR_CLEAR); 203 } 204 205 void 206 dvbox_scroll(struct ite_data *ip, int sy, int sx, int count, int dir) 207 { 208 int dy = sy - count; 209 int height = ip->rows - sy; 210 211 dvbox_cursor(ip, ERASE_CURSOR); 212 213 dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, 214 dy * ip->ftheight, sx * ip->ftwidth, 215 height * ip->ftheight, 216 ip->cols * ip->ftwidth, RR_COPY); 217 } 218 219 void 220 dvbox_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, 221 int h, int w, int func) 222 { 223 struct dvboxfb *dp = (void *)ip->regbase; 224 225 if (h == 0 || w == 0) 226 return; 227 228 db_waitbusy(dp); 229 dp->rep_rule = func << 4 | func; 230 dp->source_y = sy; 231 dp->source_x = sx; 232 dp->dest_y = dy; 233 dp->dest_x = dx; 234 dp->wheight = h; 235 dp->wwidth = w; 236 dp->wmove = 1; 237 } 238 239 static void 240 dv_reset(struct dvboxfb *dbp) 241 { 242 243 dbp->reset = 0x80; 244 DELAY(400); 245 246 dbp->interrupt = 0x04; 247 dbp->en_scan = 0x01; 248 dbp->fbwen = ~0; 249 dbp->opwen = ~0; 250 dbp->fold = 0x01; 251 dbp->drive = 0x01; 252 dbp->rep_rule = 0x33; 253 dbp->alt_rr = 0x33; 254 dbp->zrr = 0x33; 255 256 dbp->fbvenp = 0xFF; 257 dbp->dispen = 0x01; 258 dbp->fbvens = 0x0; 259 dbp->fv_trig = 0x01; 260 DELAY(400); 261 dbp->vdrive = 0x0; 262 dbp->zconfig = 0x0; 263 264 while (dbp->wbusy & 0x01) 265 DELAY(400); 266 267 /* 268 * Start of missing ROM code. 269 */ 270 dbp->cmapbank = 0; 271 272 dbp->red0 = 0; 273 dbp->red1 = 0; 274 dbp->green0 = 0; 275 dbp->green1 = 0; 276 dbp->blue0 = 0; 277 dbp->blue1 = 0; 278 279 dbp->panxh = 0; 280 dbp->panxl = 0; 281 dbp->panyh = 0; 282 dbp->panyl = 0; 283 dbp->zoom = 0; 284 dbp->cdwidth = 0x50; 285 dbp->chstart = 0x52; 286 dbp->cvwidth = 0x22; 287 dbp->pz_trig = 1; 288 /* 289 * End of missing ROM code. 290 */ 291 } 292 293 #endif 294
Indexes created Sat Sep 27 22:09:54 GMT 2025