ite_dv.c revision 1.8
1 /* $NetBSD: ite_dv.c,v 1.8 2011/02/08 20:20:14 rmind Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: Utah $Hdr: ite_dv.c 1.2 92/01/20$ 37 * 38 * @(#)ite_dv.c 8.1 (Berkeley) 6/10/93 39 */ 40 41 #ifdef ITECONSOLE 42 43 #include <sys/param.h> 44 45 #include <hp300/stand/common/itereg.h> 46 #include <hp300/stand/common/grf_dvreg.h> 47 48 #include <hp300/stand/common/samachdep.h> 49 #include <hp300/stand/common/itevar.h> 50 51 #define WINDOWMOVER dvbox_windowmove 52 53 static void dv_reset(struct dvboxfb *); 54 static void dvbox_windowmove(struct ite_data *, int, int, int, int, 55 int, int, int); 56 57 void 58 dvbox_init(struct ite_data *ip) 59 { 60 struct dvboxfb *regbase; 61 int i; 62 63 regbase = (void *)ip->regbase; 64 dv_reset(regbase); 65 DELAY(4000); 66 67 /* 68 * Turn on frame buffer, turn on overlay planes, set replacement 69 * rule, enable top overlay plane writes for ite, disable all frame 70 * buffer planes, set byte per pixel, and display frame buffer 0. 71 * Lastly, turn on the box. 72 */ 73 regbase->interrupt = 0x04; 74 regbase->drive = 0x10; 75 regbase->rep_rule = RR_COPY << 4 | RR_COPY; 76 regbase->opwen = 0x01; 77 regbase->fbwen = 0x0; 78 regbase->fold = 0x01; 79 regbase->vdrive = 0x0; 80 regbase->dispen = 0x01; 81 82 /* 83 * Video enable top overlay plane. 84 */ 85 regbase->opvenp = 0x01; 86 regbase->opvens = 0x01; 87 88 /* 89 * Make sure that overlay planes override frame buffer planes. 90 */ 91 regbase->ovly0p = 0x0; 92 regbase->ovly0s = 0x0; 93 regbase->ovly1p = 0x0; 94 regbase->ovly1s = 0x0; 95 regbase->fv_trig = 0x1; 96 DELAY(400); 97 98 /* 99 * Setup the overlay colormaps. Need to set the 0,1 (black/white) 100 * color for both banks. 101 */ 102 103 for (i = 0; i <= 1; i++) { 104 regbase->cmapbank = i; 105 regbase->rgb[0].red = 0x00; 106 regbase->rgb[0].green = 0x00; 107 regbase->rgb[0].blue = 0x00; 108 regbase->rgb[1].red = 0xFF; 109 regbase->rgb[1].green = 0xFF; 110 regbase->rgb[1].blue = 0xFF; 111 } 112 113 regbase->cmapbank = 0; 114 115 db_waitbusy(regbase); 116 117 ite_fontinfo(ip); 118 ite_fontinit(ip); 119 120 /* 121 * Clear the (visible) framebuffer. 122 */ 123 dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR); 124 db_waitbusy(regbase); 125 126 /* 127 * Stash the inverted cursor. 128 */ 129 dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '), 130 ip->cblanky, ip->cblankx, ip->ftheight, 131 ip->ftwidth, RR_COPYINVERTED); 132 db_waitbusy(regbase); 133 } 134 135 void 136 dvbox_putc(struct ite_data *ip, int c, int dy, int dx, int mode) 137 { 138 139 dvbox_windowmove(ip, charY(ip, c), charX(ip, c), 140 dy * ip->ftheight, dx * ip->ftwidth, 141 ip->ftheight, ip->ftwidth, RR_COPY); 142 } 143 144 void 145 dvbox_cursor(struct ite_data *ip, int flag) 146 { 147 if (flag == DRAW_CURSOR) 148 draw_cursor(ip) 149 else if (flag == MOVE_CURSOR) { 150 erase_cursor(ip) 151 draw_cursor(ip) 152 } 153 else 154 erase_cursor(ip) 155 } 156 157 void 158 dvbox_clear(struct ite_data *ip, int sy, int sx, int h, int w) 159 { 160 161 dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, 162 sy * ip->ftheight, sx * ip->ftwidth, 163 h * ip->ftheight, w * ip->ftwidth, 164 RR_CLEAR); 165 } 166 167 void 168 dvbox_scroll(struct ite_data *ip, int sy, int sx, int count, int dir) 169 { 170 int dy = sy - count; 171 int height = ip->rows - sy; 172 173 dvbox_cursor(ip, ERASE_CURSOR); 174 175 dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth, 176 dy * ip->ftheight, sx * ip->ftwidth, 177 height * ip->ftheight, 178 ip->cols * ip->ftwidth, RR_COPY); 179 } 180 181 void 182 dvbox_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, 183 int h, int w, int func) 184 { 185 struct dvboxfb *dp = (void *)ip->regbase; 186 187 if (h == 0 || w == 0) 188 return; 189 190 db_waitbusy(dp); 191 dp->rep_rule = func << 4 | func; 192 dp->source_y = sy; 193 dp->source_x = sx; 194 dp->dest_y = dy; 195 dp->dest_x = dx; 196 dp->wheight = h; 197 dp->wwidth = w; 198 dp->wmove = 1; 199 } 200 201 static void 202 dv_reset(struct dvboxfb *dbp) 203 { 204 205 dbp->reset = 0x80; 206 DELAY(400); 207 208 dbp->interrupt = 0x04; 209 dbp->en_scan = 0x01; 210 dbp->fbwen = ~0; 211 dbp->opwen = ~0; 212 dbp->fold = 0x01; 213 dbp->drive = 0x01; 214 dbp->rep_rule = 0x33; 215 dbp->alt_rr = 0x33; 216 dbp->zrr = 0x33; 217 218 dbp->fbvenp = 0xFF; 219 dbp->dispen = 0x01; 220 dbp->fbvens = 0x0; 221 dbp->fv_trig = 0x01; 222 DELAY(400); 223 dbp->vdrive = 0x0; 224 dbp->zconfig = 0x0; 225 226 while (dbp->wbusy & 0x01) 227 DELAY(400); 228 229 /* 230 * Start of missing ROM code. 231 */ 232 dbp->cmapbank = 0; 233 234 dbp->red0 = 0; 235 dbp->red1 = 0; 236 dbp->green0 = 0; 237 dbp->green1 = 0; 238 dbp->blue0 = 0; 239 dbp->blue1 = 0; 240 241 dbp->panxh = 0; 242 dbp->panxl = 0; 243 dbp->panyh = 0; 244 dbp->panyl = 0; 245 dbp->zoom = 0; 246 dbp->cdwidth = 0x50; 247 dbp->chstart = 0x52; 248 dbp->cvwidth = 0x22; 249 dbp->pz_trig = 1; 250 /* 251 * End of missing ROM code. 252 */ 253 } 254 255 #endif 256
Indexes created Sun Sep 28 07:09:56 GMT 2025