1 /* 2 * Copyright (c) 1988 University of Utah. 3 * Copyright (c) 1990 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department. 9 * 10 * %sccs.include.redist.c% 11 * 12 * from: Utah $Hdr: ite.c 1.19 89/08/22$ 13 * 14 * @(#)ite.c 7.2 (Berkeley) 12/16/90 15 */ 16 17 /* 18 * Standalone Internal Terminal Emulator (CRT and keyboard) 19 */ 20 #include "samachdep.h" 21 22 #ifdef ITECONSOLE 23 24 #include "sys/param.h" 25 #include "../hp300/cons.h" 26 #include "../dev/device.h" 27 #include "../dev/itevar.h" 28 #include "../dev/grfvar.h" 29 30 int nodev(); 31 32 int topcat_init(), topcat_putc(); 33 int topcat_clear(), topcat_cursor(), topcat_scroll(); 34 int gatorbox_init(), gatorbox_clear(); 35 int gatorbox_putc(), gatorbox_cursor(), gatorbox_scroll(); 36 int rbox_init(), rbox_clear(); 37 int rbox_putc(), rbox_cursor(), rbox_scroll(); 38 int dvbox_init(), dvbox_clear(); 39 int dvbox_putc(), dvbox_cursor(), dvbox_scroll(); 40 41 struct itesw itesw[] = { 42 topcat_init, nodev, topcat_clear, 43 topcat_putc, topcat_cursor, topcat_scroll, 44 45 gatorbox_init, nodev, gatorbox_clear, 46 gatorbox_putc, gatorbox_cursor, gatorbox_scroll, 47 48 rbox_init, nodev, rbox_clear, 49 rbox_putc, rbox_cursor, rbox_scroll, 50 51 dvbox_init, nodev, dvbox_clear, 52 dvbox_putc, dvbox_cursor, dvbox_scroll, 53 }; 54 55 /* these guys need to be in initialized data */ 56 int itecons = -1; 57 struct ite_softc ite_softc[NITE] = { 0 }; 58 59 /* 60 * Locate all bitmapped displays 61 */ 62 iteconfig() 63 { 64 extern struct hp_hw sc_table[]; 65 int dtype, fboff, i; 66 struct hp_hw *hw; 67 struct grfreg *gr; 68 struct ite_softc *ip; 69 70 i = 0; 71 for (hw = sc_table; hw < &sc_table[MAX_CTLR]; hw++) { 72 if (hw->hw_type != BITMAP) 73 continue; 74 gr = (struct grfreg *) hw->hw_addr; 75 /* XXX: redundent but safe */ 76 if (badaddr((caddr_t)gr) || gr->gr_id != GRFHWID) 77 continue; 78 switch (gr->gr_id2) { 79 case GID_GATORBOX: 80 dtype = ITE_GATORBOX; 81 break; 82 case GID_TOPCAT: 83 case GID_LRCATSEYE: 84 case GID_HRCCATSEYE: 85 case GID_HRMCATSEYE: 86 dtype = ITE_TOPCAT; 87 break; 88 case GID_RENAISSANCE: 89 dtype = ITE_RENAISSANCE; 90 break; 91 case GID_DAVINCI: 92 dtype = ITE_DAVINCI; 93 break; 94 default: 95 continue; 96 } 97 if (i >= NITE) 98 break; 99 ip = &ite_softc[i]; 100 ip->regbase = (caddr_t) gr; 101 fboff = (gr->gr_fbomsb << 8) | gr->gr_fbolsb; 102 ip->fbbase = (caddr_t) (*((u_char *)ip->regbase+fboff) << 16); 103 /* DIO II: FB offset is relative to select code space */ 104 if (ip->regbase >= (caddr_t)0x1000000) 105 ip->fbbase += (int)ip->regbase; 106 ip->flags = ITE_ALIVE|ITE_CONSOLE; 107 ip->type = dtype; 108 i++; 109 } 110 } 111 112 #ifdef CONSDEBUG 113 /* 114 * Allows us to cycle through all possible consoles (NITE ites and serial port) 115 * by using SHIFT-RESET on the keyboard. 116 */ 117 int whichconsole = -1; 118 #endif 119 120 iteprobe(cp) 121 struct consdev *cp; 122 { 123 register int ite; 124 register struct ite_softc *ip; 125 int unit, pri; 126 127 #ifdef CONSDEBUG 128 whichconsole = ++whichconsole % (NITE+1); 129 #endif 130 131 if (itecons != -1) 132 return(1); 133 134 iteconfig(); 135 unit = -1; 136 pri = CN_DEAD; 137 for (ite = 0; ite < NITE; ite++) { 138 #ifdef CONSDEBUG 139 if (ite < whichconsole) 140 continue; 141 #endif 142 ip = &ite_softc[ite]; 143 if ((ip->flags & (ITE_ALIVE|ITE_CONSOLE)) 144 != (ITE_ALIVE|ITE_CONSOLE)) 145 continue; 146 if ((int)ip->regbase == GRFIADDR) { 147 pri = CN_INTERNAL; 148 unit = ite; 149 } else if (unit < 0) { 150 pri = CN_NORMAL; 151 unit = ite; 152 } 153 } 154 cp->cn_dev = unit; 155 cp->cn_pri = pri; 156 } 157 158 iteinit(cp) 159 struct consdev *cp; 160 { 161 int ite = cp->cn_dev; 162 struct ite_softc *ip; 163 164 if (itecons != -1) 165 return(1); 166 167 ip = &ite_softc[ite]; 168 169 ip->curx = 0; 170 ip->cury = 0; 171 ip->cursorx = 0; 172 ip->cursory = 0; 173 174 (*itesw[ip->type].ite_init)(ip); 175 (*itesw[ip->type].ite_cursor)(ip, DRAW_CURSOR); 176 177 itecons = ite; 178 kbdinit(); 179 } 180 181 iteputchar(c) 182 register int c; 183 { 184 register struct ite_softc *ip = &ite_softc[itecons]; 185 register struct itesw *sp = &itesw[ip->type]; 186 187 c &= 0x7F; 188 switch (c) { 189 190 case '\n': 191 if (++ip->cury == ip->rows) { 192 ip->cury--; 193 (*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP); 194 ite_clrtoeol(ip, sp, ip->cury, 0); 195 } 196 else 197 (*sp->ite_cursor)(ip, MOVE_CURSOR); 198 break; 199 200 case '\r': 201 ip->curx = 0; 202 (*sp->ite_cursor)(ip, MOVE_CURSOR); 203 break; 204 205 case '\b': 206 if (--ip->curx < 0) 207 ip->curx = 0; 208 else 209 (*sp->ite_cursor)(ip, MOVE_CURSOR); 210 break; 211 212 default: 213 if (c < ' ' || c == 0177) 214 break; 215 (*sp->ite_putc)(ip, c, ip->cury, ip->curx, ATTR_NOR); 216 (*sp->ite_cursor)(ip, DRAW_CURSOR); 217 itecheckwrap(ip, sp); 218 break; 219 } 220 } 221 222 itecheckwrap(ip, sp) 223 register struct ite_softc *ip; 224 register struct itesw *sp; 225 { 226 if (++ip->curx == ip->cols) { 227 ip->curx = 0; 228 if (++ip->cury == ip->rows) { 229 --ip->cury; 230 (*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP); 231 ite_clrtoeol(ip, sp, ip->cury, 0); 232 return; 233 } 234 } 235 (*sp->ite_cursor)(ip, MOVE_CURSOR); 236 } 237 238 ite_clrtoeol(ip, sp, y, x) 239 register struct ite_softc *ip; 240 register struct itesw *sp; 241 register int y, x; 242 { 243 (*sp->ite_clear)(ip, y, x, 1, ip->cols - x); 244 (*sp->ite_cursor)(ip, DRAW_CURSOR); 245 } 246 247 itegetchar() 248 { 249 #ifdef SMALL 250 return (0); 251 #else 252 return (kbdgetc()); 253 #endif 254 } 255 #endif 256