ite.c revision 1.1
1 /* $NetBSD: ite.c,v 1.1 1997/02/04 03:52:30 thorpej 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. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * from: Utah $Hdr: ite.c 1.24 93/06/25$ 41 * 42 * @(#)ite.c 8.1 (Berkeley) 7/8/93 43 */ 44 45 /* 46 * Standalone Internal Terminal Emulator (CRT and keyboard) 47 */ 48 49 #ifdef ITECONSOLE 50 51 #include <sys/param.h> 52 #include <dev/cons.h> 53 54 #include <hp300/dev/grfreg.h> 55 56 #include <hp300/stand/common/device.h> 57 #include <hp300/stand/common/itevar.h> 58 #include <hp300/stand/common/consdefs.h> 59 #include <hp300/stand/common/samachdep.h> 60 61 void ite_deinit_noop __P((struct ite_data *)); 62 63 struct itesw itesw[] = { 64 { GID_TOPCAT, 65 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc, 66 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph }, 67 68 { GID_GATORBOX, 69 gbox_init, ite_deinit_noop, gbox_clear, gbox_putc, 70 gbox_cursor, gbox_scroll, ite_readbyte, ite_writeglyph }, 71 72 { GID_RENAISSANCE, 73 rbox_init, ite_deinit_noop, rbox_clear, rbox_putc, 74 rbox_cursor, rbox_scroll, ite_readbyte, ite_writeglyph }, 75 76 { GID_LRCATSEYE, 77 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc, 78 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph }, 79 80 { GID_HRCCATSEYE, 81 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc, 82 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph }, 83 84 { GID_HRMCATSEYE, 85 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc, 86 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph }, 87 88 { GID_DAVINCI, 89 dvbox_init, ite_deinit_noop, dvbox_clear, dvbox_putc, 90 dvbox_cursor, dvbox_scroll, ite_readbyte, ite_writeglyph }, 91 92 { GID_HYPERION, 93 hyper_init, ite_deinit_noop, hyper_clear, hyper_putc, 94 hyper_cursor, hyper_scroll, ite_readbyte, ite_writeglyph }, 95 }; 96 int nitesw = sizeof(itesw) / sizeof(itesw[0]); 97 98 /* these guys need to be in initialized data */ 99 int itecons = -1; 100 struct ite_data ite_data[NITE] = { 0 }; 101 int ite_scode[NITE] = { 0 }; 102 103 /* 104 * Locate all bitmapped displays 105 */ 106 iteconfig() 107 { 108 extern struct hp_hw sc_table[]; 109 int dtype, fboff, i; 110 struct hp_hw *hw; 111 struct grfreg *gr; 112 struct ite_data *ip; 113 114 i = 0; 115 for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++) { 116 if (!HW_ISDEV(hw, D_BITMAP)) 117 continue; 118 gr = (struct grfreg *) hw->hw_kva; 119 /* XXX: redundent but safe */ 120 if (badaddr((caddr_t)gr) || gr->gr_id != GRFHWID) 121 continue; 122 for (dtype = 0; dtype < nitesw; dtype++) 123 if (itesw[dtype].ite_hwid == gr->gr_id2) 124 break; 125 if (dtype == nitesw) 126 continue; 127 if (i >= NITE) 128 break; 129 ite_scode[i] = hw->hw_sc; 130 ip = &ite_data[i]; 131 ip->isw = &itesw[dtype]; 132 ip->regbase = (caddr_t) gr; 133 fboff = (gr->gr_fbomsb << 8) | gr->gr_fbolsb; 134 ip->fbbase = (caddr_t) (*((u_char *)ip->regbase+fboff) << 16); 135 /* DIO II: FB offset is relative to select code space */ 136 if (ip->regbase >= (caddr_t)DIOIIBASE) 137 ip->fbbase += (int)ip->regbase; 138 ip->fbwidth = gr->gr_fbwidth_h << 8 | gr->gr_fbwidth_l; 139 ip->fbheight = gr->gr_fbheight_h << 8 | gr->gr_fbheight_l; 140 ip->dwidth = gr->gr_dwidth_h << 8 | gr->gr_dwidth_l; 141 ip->dheight = gr->gr_dheight_h << 8 | gr->gr_dheight_l; 142 /* 143 * XXX some displays (e.g. the davinci) appear 144 * to return a display height greater than the 145 * returned FB height. Guess we should go back 146 * to getting the display dimensions from the 147 * fontrom... 148 */ 149 if (ip->dwidth > ip->fbwidth) 150 ip->dwidth = ip->fbwidth; 151 if (ip->dheight > ip->fbheight) 152 ip->dheight = ip->fbheight; 153 ip->flags = ITE_ALIVE|ITE_CONSOLE; 154 i++; 155 } 156 } 157 158 #ifdef CONSDEBUG 159 /* 160 * Allows us to cycle through all possible consoles (NITE ites and serial port) 161 * by using SHIFT-RESET on the keyboard. 162 */ 163 int whichconsole = -1; 164 #endif 165 166 void 167 iteprobe(cp) 168 struct consdev *cp; 169 { 170 register int ite; 171 register struct ite_data *ip; 172 int unit, pri; 173 174 #ifdef CONSDEBUG 175 whichconsole = ++whichconsole % (NITE+1); 176 #endif 177 178 if (itecons != -1) 179 return; 180 181 iteconfig(); 182 unit = -1; 183 pri = CN_DEAD; 184 for (ite = 0; ite < NITE; ite++) { 185 #ifdef CONSDEBUG 186 if (ite < whichconsole) 187 continue; 188 #endif 189 ip = &ite_data[ite]; 190 if ((ip->flags & (ITE_ALIVE|ITE_CONSOLE)) 191 != (ITE_ALIVE|ITE_CONSOLE)) 192 continue; 193 if ((int)ip->regbase == GRFIADDR) { 194 pri = CN_INTERNAL; 195 unit = ite; 196 } else if (unit < 0) { 197 pri = CN_NORMAL; 198 unit = ite; 199 } 200 } 201 curcons_scode = ite_scode[unit]; 202 cp->cn_dev = unit; 203 cp->cn_pri = pri; 204 } 205 206 void 207 iteinit(cp) 208 struct consdev *cp; 209 { 210 int ite = cp->cn_dev; 211 struct ite_data *ip; 212 213 if (itecons != -1) 214 return; 215 216 ip = &ite_data[ite]; 217 218 ip->curx = 0; 219 ip->cury = 0; 220 ip->cursorx = 0; 221 ip->cursory = 0; 222 223 (*ip->isw->ite_init)(ip); 224 (*ip->isw->ite_cursor)(ip, DRAW_CURSOR); 225 226 itecons = ite; 227 kbdinit(); 228 } 229 230 /* ARGSUSED */ 231 void 232 iteputchar(dev, c) 233 dev_t dev; 234 register int c; 235 { 236 register struct ite_data *ip = &ite_data[itecons]; 237 register struct itesw *sp = ip->isw; 238 239 c &= 0x7F; 240 switch (c) { 241 242 case '\n': 243 if (++ip->cury == ip->rows) { 244 ip->cury--; 245 (*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP); 246 ite_clrtoeol(ip, sp, ip->cury, 0); 247 } 248 else 249 (*sp->ite_cursor)(ip, MOVE_CURSOR); 250 break; 251 252 case '\r': 253 ip->curx = 0; 254 (*sp->ite_cursor)(ip, MOVE_CURSOR); 255 break; 256 257 case '\b': 258 if (--ip->curx < 0) 259 ip->curx = 0; 260 else 261 (*sp->ite_cursor)(ip, MOVE_CURSOR); 262 break; 263 264 default: 265 if (c < ' ' || c == 0177) 266 break; 267 (*sp->ite_putc)(ip, c, ip->cury, ip->curx, ATTR_NOR); 268 (*sp->ite_cursor)(ip, DRAW_CURSOR); 269 itecheckwrap(ip, sp); 270 break; 271 } 272 } 273 274 itecheckwrap(ip, sp) 275 register struct ite_data *ip; 276 register struct itesw *sp; 277 { 278 if (++ip->curx == ip->cols) { 279 ip->curx = 0; 280 if (++ip->cury == ip->rows) { 281 --ip->cury; 282 (*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP); 283 ite_clrtoeol(ip, sp, ip->cury, 0); 284 return; 285 } 286 } 287 (*sp->ite_cursor)(ip, MOVE_CURSOR); 288 } 289 290 ite_clrtoeol(ip, sp, y, x) 291 register struct ite_data *ip; 292 register struct itesw *sp; 293 register int y, x; 294 { 295 (*sp->ite_clear)(ip, y, x, 1, ip->cols - x); 296 (*sp->ite_cursor)(ip, DRAW_CURSOR); 297 } 298 299 /* ARGSUSED */ 300 int 301 itegetchar(dev) 302 dev_t dev; 303 { 304 #ifdef SMALL 305 return (0); 306 #else 307 return (kbdgetc()); 308 #endif 309 } 310 #endif 311 312 /* ARGSUSED */ 313 void 314 ite_deinit_noop(ip) 315 struct ite_data *ip; 316 { 317 } 318
Indexes created Wed Sep 24 15:09:51 GMT 2025