ite.c revision 1.8
1 /* $NetBSD: ite.c,v 1.8 2007/03/04 05:59:50 christos 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 #include <hp300/dev/intioreg.h> 90 91 #include <hp300/stand/common/device.h> 92 #include <hp300/stand/common/itevar.h> 93 #include <hp300/stand/common/kbdvar.h> 94 #include <hp300/stand/common/consdefs.h> 95 #include <hp300/stand/common/samachdep.h> 96 97 static void iteconfig(void); 98 static void ite_deinit_noop(struct ite_data *); 99 static void ite_clrtoeol(struct ite_data *, struct itesw *, int, int); 100 static void itecheckwrap(struct ite_data *, struct itesw *); 101 102 struct itesw itesw[] = { 103 { GID_TOPCAT, 104 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc, 105 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph }, 106 107 { GID_GATORBOX, 108 gbox_init, ite_deinit_noop, gbox_clear, gbox_putc, 109 gbox_cursor, gbox_scroll, ite_readbyte, ite_writeglyph }, 110 111 { GID_RENAISSANCE, 112 rbox_init, ite_deinit_noop, rbox_clear, rbox_putc, 113 rbox_cursor, rbox_scroll, ite_readbyte, ite_writeglyph }, 114 115 { GID_LRCATSEYE, 116 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc, 117 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph }, 118 119 { GID_HRCCATSEYE, 120 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc, 121 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph }, 122 123 { GID_HRMCATSEYE, 124 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc, 125 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph }, 126 127 { GID_DAVINCI, 128 dvbox_init, ite_deinit_noop, dvbox_clear, dvbox_putc, 129 dvbox_cursor, dvbox_scroll, ite_readbyte, ite_writeglyph }, 130 131 { GID_HYPERION, 132 hyper_init, ite_deinit_noop, hyper_clear, hyper_putc, 133 hyper_cursor, hyper_scroll, ite_readbyte, ite_writeglyph }, 134 }; 135 int nitesw = sizeof(itesw) / sizeof(itesw[0]); 136 137 /* these guys need to be in initialized data */ 138 int itecons = -1; 139 struct ite_data ite_data[NITE] = { { 0 } }; 140 int ite_scode[NITE] = { 0 }; 141 142 /* 143 * Locate all bitmapped displays 144 */ 145 static void 146 iteconfig(void) 147 { 148 int dtype, fboff, i; 149 struct hp_hw *hw; 150 struct grfreg *gr; 151 struct ite_data *ip; 152 153 i = 0; 154 for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++) { 155 if (!HW_ISDEV(hw, D_BITMAP)) 156 continue; 157 gr = (struct grfreg *) hw->hw_kva; 158 /* XXX: redundent but safe */ 159 if (badaddr((void *)gr) || gr->gr_id != GRFHWID) 160 continue; 161 for (dtype = 0; dtype < nitesw; dtype++) 162 if (itesw[dtype].ite_hwid == gr->gr_id2) 163 break; 164 if (dtype == nitesw) 165 continue; 166 if (i >= NITE) 167 break; 168 ite_scode[i] = hw->hw_sc; 169 ip = &ite_data[i]; 170 ip->isw = &itesw[dtype]; 171 ip->regbase = (void *) gr; 172 fboff = (gr->gr_fbomsb << 8) | gr->gr_fbolsb; 173 ip->fbbase = (void *)(*((u_char *)ip->regbase + fboff) << 16); 174 /* DIO II: FB offset is relative to select code space */ 175 if (ip->regbase >= (void *)DIOIIBASE) 176 ip->fbbase += (int)ip->regbase; 177 ip->fbwidth = gr->gr_fbwidth_h << 8 | gr->gr_fbwidth_l; 178 ip->fbheight = gr->gr_fbheight_h << 8 | gr->gr_fbheight_l; 179 ip->dwidth = gr->gr_dwidth_h << 8 | gr->gr_dwidth_l; 180 ip->dheight = gr->gr_dheight_h << 8 | gr->gr_dheight_l; 181 /* 182 * XXX some displays (e.g. the davinci) appear 183 * to return a display height greater than the 184 * returned FB height. Guess we should go back 185 * to getting the display dimensions from the 186 * fontrom... 187 */ 188 if (ip->dwidth > ip->fbwidth) 189 ip->dwidth = ip->fbwidth; 190 if (ip->dheight > ip->fbheight) 191 ip->dheight = ip->fbheight; 192 ip->flags = ITE_ALIVE|ITE_CONSOLE; 193 i++; 194 } 195 } 196 197 #ifdef CONSDEBUG 198 /* 199 * Allows us to cycle through all possible consoles (NITE ites and serial port) 200 * by using SHIFT-RESET on the keyboard. 201 */ 202 int whichconsole = -1; 203 #endif 204 205 void 206 iteprobe(struct consdev *cp) 207 { 208 int ite; 209 struct ite_data *ip; 210 int unit, pri; 211 212 #ifdef CONSDEBUG 213 whichconsole = ++whichconsole % (NITE+1); 214 #endif 215 216 if (itecons != -1) 217 return; 218 219 iteconfig(); 220 unit = -1; 221 pri = CN_DEAD; 222 for (ite = 0; ite < NITE; ite++) { 223 #ifdef CONSDEBUG 224 if (ite < whichconsole) 225 continue; 226 #endif 227 ip = &ite_data[ite]; 228 if ((ip->flags & (ITE_ALIVE|ITE_CONSOLE)) 229 != (ITE_ALIVE|ITE_CONSOLE)) 230 continue; 231 if ((int)ip->regbase == INTIOBASE + FB_BASE) { 232 pri = CN_INTERNAL; 233 unit = ite; 234 } else if (unit < 0) { 235 pri = CN_NORMAL; 236 unit = ite; 237 } 238 } 239 curcons_scode = ite_scode[unit]; 240 cp->cn_dev = unit; 241 cp->cn_pri = pri; 242 } 243 244 void 245 iteinit(struct consdev *cp) 246 { 247 int ite = cp->cn_dev; 248 struct ite_data *ip; 249 250 if (itecons != -1) 251 return; 252 253 ip = &ite_data[ite]; 254 255 ip->curx = 0; 256 ip->cury = 0; 257 ip->cursorx = 0; 258 ip->cursory = 0; 259 260 (*ip->isw->ite_init)(ip); 261 (*ip->isw->ite_cursor)(ip, DRAW_CURSOR); 262 263 itecons = ite; 264 kbdinit(); 265 } 266 267 /* ARGSUSED */ 268 void 269 iteputchar(dev_t dev, int c) 270 { 271 struct ite_data *ip = &ite_data[itecons]; 272 struct itesw *sp = ip->isw; 273 274 c &= 0x7F; 275 switch (c) { 276 277 case '\n': 278 if (++ip->cury == ip->rows) { 279 ip->cury--; 280 (*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP); 281 ite_clrtoeol(ip, sp, ip->cury, 0); 282 } 283 else 284 (*sp->ite_cursor)(ip, MOVE_CURSOR); 285 break; 286 287 case '\r': 288 ip->curx = 0; 289 (*sp->ite_cursor)(ip, MOVE_CURSOR); 290 break; 291 292 case '\b': 293 if (--ip->curx < 0) 294 ip->curx = 0; 295 else 296 (*sp->ite_cursor)(ip, MOVE_CURSOR); 297 break; 298 299 default: 300 if (c < ' ' || c == 0177) 301 break; 302 (*sp->ite_putc)(ip, c, ip->cury, ip->curx, ATTR_NOR); 303 (*sp->ite_cursor)(ip, DRAW_CURSOR); 304 itecheckwrap(ip, sp); 305 break; 306 } 307 } 308 309 static void 310 itecheckwrap(struct ite_data *ip, struct itesw *sp) 311 { 312 if (++ip->curx == ip->cols) { 313 ip->curx = 0; 314 if (++ip->cury == ip->rows) { 315 --ip->cury; 316 (*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP); 317 ite_clrtoeol(ip, sp, ip->cury, 0); 318 return; 319 } 320 } 321 (*sp->ite_cursor)(ip, MOVE_CURSOR); 322 } 323 324 static void 325 ite_clrtoeol(struct ite_data *ip, struct itesw *sp, int y, int x) 326 { 327 328 (*sp->ite_clear)(ip, y, x, 1, ip->cols - x); 329 (*sp->ite_cursor)(ip, DRAW_CURSOR); 330 } 331 332 /* ARGSUSED */ 333 int 334 itegetchar(dev_t dev) 335 { 336 337 #ifdef SMALL 338 return 0; 339 #else 340 return kbdgetc(); 341 #endif 342 } 343 #endif 344 345 /* ARGSUSED */ 346 static void 347 ite_deinit_noop(struct ite_data *ip) 348 { 349 } 350
Indexes created Wed Sep 24 14:09:57 GMT 2025