ite.c revision 1.6
1 /* $NetBSD: ite.c,v 1.6 2006/07/02 11:10:28 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 $Hdr: ite.c 1.24 93/06/25$ 36 * 37 * @(#)ite.c 8.1 (Berkeley) 7/8/93 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 $Hdr: ite.c 1.24 93/06/25$ 75 * 76 * @(#)ite.c 8.1 (Berkeley) 7/8/93 77 */ 78 79 /* 80 * Standalone Internal Terminal Emulator (CRT and keyboard) 81 */ 82 83 #ifdef ITECONSOLE 84 85 #include <sys/param.h> 86 #include <dev/cons.h> 87 88 #include <hp300/dev/grfreg.h> 89 90 #include <hp300/stand/common/device.h> 91 #include <hp300/stand/common/itevar.h> 92 #include <hp300/stand/common/kbdvar.h> 93 #include <hp300/stand/common/consdefs.h> 94 #include <hp300/stand/common/samachdep.h> 95 96 static void iteconfig(void); 97 static void ite_deinit_noop(struct ite_data *); 98 static void ite_clrtoeol(struct ite_data *, struct itesw *, int, int); 99 static void itecheckwrap(struct ite_data *, struct itesw *); 100 101 struct itesw itesw[] = { 102 { GID_TOPCAT, 103 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc, 104 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph }, 105 106 { GID_GATORBOX, 107 gbox_init, ite_deinit_noop, gbox_clear, gbox_putc, 108 gbox_cursor, gbox_scroll, ite_readbyte, ite_writeglyph }, 109 110 { GID_RENAISSANCE, 111 rbox_init, ite_deinit_noop, rbox_clear, rbox_putc, 112 rbox_cursor, rbox_scroll, ite_readbyte, ite_writeglyph }, 113 114 { GID_LRCATSEYE, 115 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc, 116 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph }, 117 118 { GID_HRCCATSEYE, 119 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc, 120 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph }, 121 122 { GID_HRMCATSEYE, 123 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc, 124 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph }, 125 126 { GID_DAVINCI, 127 dvbox_init, ite_deinit_noop, dvbox_clear, dvbox_putc, 128 dvbox_cursor, dvbox_scroll, ite_readbyte, ite_writeglyph }, 129 130 { GID_HYPERION, 131 hyper_init, ite_deinit_noop, hyper_clear, hyper_putc, 132 hyper_cursor, hyper_scroll, ite_readbyte, ite_writeglyph }, 133 }; 134 int nitesw = sizeof(itesw) / sizeof(itesw[0]); 135 136 /* these guys need to be in initialized data */ 137 int itecons = -1; 138 struct ite_data ite_data[NITE] = { { 0 } }; 139 int ite_scode[NITE] = { 0 }; 140 141 /* 142 * Locate all bitmapped displays 143 */ 144 static void 145 iteconfig(void) 146 { 147 int dtype, fboff, i; 148 struct hp_hw *hw; 149 struct grfreg *gr; 150 struct ite_data *ip; 151 152 i = 0; 153 for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++) { 154 if (!HW_ISDEV(hw, D_BITMAP)) 155 continue; 156 gr = (struct grfreg *) hw->hw_kva; 157 /* XXX: redundent but safe */ 158 if (badaddr((caddr_t)gr) || gr->gr_id != GRFHWID) 159 continue; 160 for (dtype = 0; dtype < nitesw; dtype++) 161 if (itesw[dtype].ite_hwid == gr->gr_id2) 162 break; 163 if (dtype == nitesw) 164 continue; 165 if (i >= NITE) 166 break; 167 ite_scode[i] = hw->hw_sc; 168 ip = &ite_data[i]; 169 ip->isw = &itesw[dtype]; 170 ip->regbase = (caddr_t) gr; 171 fboff = (gr->gr_fbomsb << 8) | gr->gr_fbolsb; 172 ip->fbbase = (caddr_t)(*((u_char *)ip->regbase + fboff) << 16); 173 /* DIO II: FB offset is relative to select code space */ 174 if (ip->regbase >= (caddr_t)DIOIIBASE) 175 ip->fbbase += (int)ip->regbase; 176 ip->fbwidth = gr->gr_fbwidth_h << 8 | gr->gr_fbwidth_l; 177 ip->fbheight = gr->gr_fbheight_h << 8 | gr->gr_fbheight_l; 178 ip->dwidth = gr->gr_dwidth_h << 8 | gr->gr_dwidth_l; 179 ip->dheight = gr->gr_dheight_h << 8 | gr->gr_dheight_l; 180 /* 181 * XXX some displays (e.g. the davinci) appear 182 * to return a display height greater than the 183 * returned FB height. Guess we should go back 184 * to getting the display dimensions from the 185 * fontrom... 186 */ 187 if (ip->dwidth > ip->fbwidth) 188 ip->dwidth = ip->fbwidth; 189 if (ip->dheight > ip->fbheight) 190 ip->dheight = ip->fbheight; 191 ip->flags = ITE_ALIVE|ITE_CONSOLE; 192 i++; 193 } 194 } 195 196 #ifdef CONSDEBUG 197 /* 198 * Allows us to cycle through all possible consoles (NITE ites and serial port) 199 * by using SHIFT-RESET on the keyboard. 200 */ 201 int whichconsole = -1; 202 #endif 203 204 void 205 iteprobe(struct consdev *cp) 206 { 207 int ite; 208 struct ite_data *ip; 209 int unit, pri; 210 211 #ifdef CONSDEBUG 212 whichconsole = ++whichconsole % (NITE+1); 213 #endif 214 215 if (itecons != -1) 216 return; 217 218 iteconfig(); 219 unit = -1; 220 pri = CN_DEAD; 221 for (ite = 0; ite < NITE; ite++) { 222 #ifdef CONSDEBUG 223 if (ite < whichconsole) 224 continue; 225 #endif 226 ip = &ite_data[ite]; 227 if ((ip->flags & (ITE_ALIVE|ITE_CONSOLE)) 228 != (ITE_ALIVE|ITE_CONSOLE)) 229 continue; 230 if ((int)ip->regbase == GRFIADDR) { 231 pri = CN_INTERNAL; 232 unit = ite; 233 } else if (unit < 0) { 234 pri = CN_NORMAL; 235 unit = ite; 236 } 237 } 238 curcons_scode = ite_scode[unit]; 239 cp->cn_dev = unit; 240 cp->cn_pri = pri; 241 } 242 243 void 244 iteinit(struct consdev *cp) 245 { 246 int ite = cp->cn_dev; 247 struct ite_data *ip; 248 249 if (itecons != -1) 250 return; 251 252 ip = &ite_data[ite]; 253 254 ip->curx = 0; 255 ip->cury = 0; 256 ip->cursorx = 0; 257 ip->cursory = 0; 258 259 (*ip->isw->ite_init)(ip); 260 (*ip->isw->ite_cursor)(ip, DRAW_CURSOR); 261 262 itecons = ite; 263 kbdinit(); 264 } 265 266 /* ARGSUSED */ 267 void 268 iteputchar(dev_t dev, int c) 269 { 270 struct ite_data *ip = &ite_data[itecons]; 271 struct itesw *sp = ip->isw; 272 273 c &= 0x7F; 274 switch (c) { 275 276 case '\n': 277 if (++ip->cury == ip->rows) { 278 ip->cury--; 279 (*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP); 280 ite_clrtoeol(ip, sp, ip->cury, 0); 281 } 282 else 283 (*sp->ite_cursor)(ip, MOVE_CURSOR); 284 break; 285 286 case '\r': 287 ip->curx = 0; 288 (*sp->ite_cursor)(ip, MOVE_CURSOR); 289 break; 290 291 case '\b': 292 if (--ip->curx < 0) 293 ip->curx = 0; 294 else 295 (*sp->ite_cursor)(ip, MOVE_CURSOR); 296 break; 297 298 default: 299 if (c < ' ' || c == 0177) 300 break; 301 (*sp->ite_putc)(ip, c, ip->cury, ip->curx, ATTR_NOR); 302 (*sp->ite_cursor)(ip, DRAW_CURSOR); 303 itecheckwrap(ip, sp); 304 break; 305 } 306 } 307 308 static void 309 itecheckwrap(struct ite_data *ip, struct itesw *sp) 310 { 311 if (++ip->curx == ip->cols) { 312 ip->curx = 0; 313 if (++ip->cury == ip->rows) { 314 --ip->cury; 315 (*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP); 316 ite_clrtoeol(ip, sp, ip->cury, 0); 317 return; 318 } 319 } 320 (*sp->ite_cursor)(ip, MOVE_CURSOR); 321 } 322 323 static void 324 ite_clrtoeol(struct ite_data *ip, struct itesw *sp, int y, int x) 325 { 326 327 (*sp->ite_clear)(ip, y, x, 1, ip->cols - x); 328 (*sp->ite_cursor)(ip, DRAW_CURSOR); 329 } 330 331 /* ARGSUSED */ 332 int 333 itegetchar(dev_t dev) 334 { 335 336 #ifdef SMALL 337 return 0; 338 #else 339 return kbdgetc(); 340 #endif 341 } 342 #endif 343 344 /* ARGSUSED */ 345 static void 346 ite_deinit_noop(struct ite_data *ip) 347 { 348 } 349
Indexes created Sun Oct 12 05:10:08 GMT 2025