ite_et.c revision 1.3.2.2
1 1.3.2.2 veego /* $NetBSD: ite_et.c,v 1.3.2.2 1997/03/05 22:50:42 veego Exp $ */ 2 1.3.2.2 veego 3 1.3.2.2 veego /* 4 1.3.2.2 veego * Copyright (c) 1995 Ezra Story 5 1.3.2.2 veego * Copyright (c) 1995 Kari Mettinen 6 1.3.2.2 veego * Copyright (c) 1994 Markus Wild 7 1.3.2.2 veego * Copyright (c) 1994 Lutz Vieweg 8 1.3.2.2 veego * All rights reserved. 9 1.3.2.2 veego * 10 1.3.2.2 veego * Redistribution and use in source and binary forms, with or without 11 1.3.2.2 veego * modification, are permitted provided that the following conditions 12 1.3.2.2 veego * are met: 13 1.3.2.2 veego * 1. Redistributions of source code must retain the above copyright 14 1.3.2.2 veego * notice, this list of conditions and the following disclaimer. 15 1.3.2.2 veego * 2. Redistributions in binary form must reproduce the above copyright 16 1.3.2.2 veego * notice, this list of conditions and the following disclaimer in the 17 1.3.2.2 veego * documentation and/or other materials provided with the distribution. 18 1.3.2.2 veego * 3. All advertising materials mentioning features or use of this software 19 1.3.2.2 veego * must display the following acknowledgement: 20 1.3.2.2 veego * This product includes software developed by Lutz Vieweg. 21 1.3.2.2 veego * 4. The name of the author may not be used to endorse or promote products 22 1.3.2.2 veego * derived from this software without specific prior written permission 23 1.3.2.2 veego * 24 1.3.2.2 veego * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 25 1.3.2.2 veego * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 26 1.3.2.2 veego * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 27 1.3.2.2 veego * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 28 1.3.2.2 veego * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 1.3.2.2 veego * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 1.3.2.2 veego * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 1.3.2.2 veego * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 1.3.2.2 veego * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 33 1.3.2.2 veego * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 1.3.2.2 veego */ 35 1.3.2.2 veego 36 1.3.2.2 veego #include "grfet.h" 37 1.3.2.2 veego #if NGRFET > 0 38 1.3.2.2 veego 39 1.3.2.2 veego #include <sys/param.h> 40 1.3.2.2 veego #include <sys/conf.h> 41 1.3.2.2 veego #include <sys/proc.h> 42 1.3.2.2 veego #include <sys/device.h> 43 1.3.2.2 veego #include <sys/ioctl.h> 44 1.3.2.2 veego #include <sys/tty.h> 45 1.3.2.2 veego #include <sys/systm.h> 46 1.3.2.2 veego #include <dev/cons.h> 47 1.3.2.2 veego #include <machine/cpu.h> 48 1.3.2.2 veego #include <amiga/amiga/device.h> 49 1.3.2.2 veego #include <amiga/dev/grfioctl.h> 50 1.3.2.2 veego #include <amiga/dev/grfvar.h> 51 1.3.2.2 veego #include <amiga/dev/grf_etreg.h> 52 1.3.2.2 veego #include <amiga/dev/itevar.h> 53 1.3.2.2 veego 54 1.3.2.2 veego #ifdef TSENGCONSOLE 55 1.3.2.2 veego int et_console = 1; 56 1.3.2.2 veego #else 57 1.3.2.2 veego int et_console = 0; 58 1.3.2.2 veego #endif 59 1.3.2.2 veego 60 1.3.2.2 veego void et_init __P((struct ite_softc *ip)); 61 1.3.2.2 veego void et_cursor __P((struct ite_softc *ip, int flag)); 62 1.3.2.2 veego void et_deinit __P((struct ite_softc *ip)); 63 1.3.2.2 veego void et_putc __P((struct ite_softc *ip, int c, int dy, int dx, int mode)); 64 1.3.2.2 veego void et_clear __P((struct ite_softc *ip, int sy, int sx, int h, int w)); 65 1.3.2.2 veego void et_scroll __P((struct ite_softc *ip, int sy, int sx, int count, 66 1.3.2.2 veego int dir)); 67 1.3.2.2 veego static void etbcopy(const void *src, void *dst, size_t len); 68 1.3.2.2 veego 69 1.3.2.2 veego 70 1.3.2.2 veego /* 71 1.3.2.2 veego * Called to determine ite status. Because the connection between the 72 1.3.2.2 veego * console & ite in this driver is rather intimate, we return CN_DEAD 73 1.3.2.2 veego * if the cl_console is not active. 74 1.3.2.2 veego */ 75 1.3.2.2 veego int 76 1.3.2.2 veego grfet_cnprobe(void) 77 1.3.2.2 veego { 78 1.3.2.2 veego static int done; 79 1.3.2.2 veego int rv; 80 1.3.2.2 veego 81 1.3.2.2 veego if (et_console && (done == 0)) 82 1.3.2.2 veego rv = CN_INTERNAL; 83 1.3.2.2 veego else 84 1.3.2.2 veego rv = CN_DEAD; 85 1.3.2.2 veego 86 1.3.2.2 veego done = 1; 87 1.3.2.2 veego return(rv); 88 1.3.2.2 veego } 89 1.3.2.2 veego 90 1.3.2.2 veego 91 1.3.2.2 veego void 92 1.3.2.2 veego grfet_iteinit(gp) 93 1.3.2.2 veego struct grf_softc *gp; 94 1.3.2.2 veego { 95 1.3.2.2 veego gp->g_iteinit = et_init; 96 1.3.2.2 veego gp->g_itedeinit = et_deinit; 97 1.3.2.2 veego gp->g_iteclear = et_clear; 98 1.3.2.2 veego gp->g_iteputc = et_putc; 99 1.3.2.2 veego gp->g_itescroll = et_scroll; 100 1.3.2.2 veego gp->g_itecursor = et_cursor; 101 1.3.2.2 veego } 102 1.3.2.2 veego 103 1.3.2.2 veego 104 1.3.2.2 veego void 105 1.3.2.2 veego et_init(ip) 106 1.3.2.2 veego struct ite_softc *ip; 107 1.3.2.2 veego { 108 1.3.2.2 veego struct grfettext_mode *md; 109 1.3.2.2 veego 110 1.3.2.2 veego ip->priv = ip->grf->g_data; 111 1.3.2.2 veego md = (struct grfettext_mode *) ip->priv; 112 1.3.2.2 veego 113 1.3.2.2 veego ip->cols = md->cols; 114 1.3.2.2 veego ip->rows = md->rows; 115 1.3.2.2 veego } 116 1.3.2.2 veego 117 1.3.2.2 veego 118 1.3.2.2 veego void 119 1.3.2.2 veego et_cursor(ip, flag) 120 1.3.2.2 veego struct ite_softc *ip; 121 1.3.2.2 veego int flag; 122 1.3.2.2 veego { 123 1.3.2.2 veego volatile u_char *ba = ip->grf->g_regkva; 124 1.3.2.2 veego 125 1.3.2.2 veego switch (flag) { 126 1.3.2.2 veego case DRAW_CURSOR: 127 1.3.2.2 veego /*WCrt(ba, CRT_ID_CURSOR_START, & ~0x20); */ 128 1.3.2.2 veego case MOVE_CURSOR: 129 1.3.2.2 veego flag = ip->curx + ip->cury * ip->cols; 130 1.3.2.2 veego WCrt(ba, CRT_ID_CURSOR_LOC_LOW, flag & 0xff); 131 1.3.2.2 veego WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, (flag >> 8) & 0xff); 132 1.3.2.2 veego WCrt(ba, CRT_ID_EXT_START, (flag >> (16-2)) & 0x0c); 133 1.3.2.2 veego 134 1.3.2.2 veego ip->cursorx = ip->curx; 135 1.3.2.2 veego ip->cursory = ip->cury; 136 1.3.2.2 veego break; 137 1.3.2.2 veego case ERASE_CURSOR: 138 1.3.2.2 veego /*WCrt(ba, CRT_ID_CURSOR_START, | 0x20); */ 139 1.3.2.2 veego case START_CURSOROPT: 140 1.3.2.2 veego case END_CURSOROPT: 141 1.3.2.2 veego default: 142 1.3.2.2 veego break; 143 1.3.2.2 veego } 144 1.3.2.2 veego } 145 1.3.2.2 veego 146 1.3.2.2 veego 147 1.3.2.2 veego void 148 1.3.2.2 veego et_deinit(ip) 149 1.3.2.2 veego struct ite_softc *ip; 150 1.3.2.2 veego { 151 1.3.2.2 veego ip->flags &= ~ITE_INITED; 152 1.3.2.2 veego } 153 1.3.2.2 veego 154 1.3.2.2 veego 155 1.3.2.2 veego void 156 1.3.2.2 veego et_putc(ip, c, dy, dx, mode) 157 1.3.2.2 veego struct ite_softc *ip; 158 1.3.2.2 veego int c; 159 1.3.2.2 veego int dy; 160 1.3.2.2 veego int dx; 161 1.3.2.2 veego int mode; 162 1.3.2.2 veego { 163 1.3.2.2 veego volatile unsigned char *ba = ip->grf->g_regkva; 164 1.3.2.2 veego unsigned char *fb = ip->grf->g_fbkva; 165 1.3.2.2 veego unsigned char attr; 166 1.3.2.2 veego unsigned char *cp; 167 1.3.2.2 veego 168 1.3.2.2 veego attr =(unsigned char) ((mode & ATTR_INV) ? (0x70) : (0x07)); 169 1.3.2.2 veego if (mode & ATTR_UL) attr = 0x01; /* ???????? */ 170 1.3.2.2 veego if (mode & ATTR_BOLD) attr |= 0x08; 171 1.3.2.2 veego if (mode & ATTR_BLINK) attr |= 0x80; 172 1.3.2.2 veego 173 1.3.2.2 veego cp = fb + ((dy * ip->cols) + dx); 174 1.3.2.2 veego SetTextPlane(ba,0x00); 175 1.3.2.2 veego *cp = (unsigned char) c; 176 1.3.2.2 veego SetTextPlane(ba,0x01); 177 1.3.2.2 veego *cp = (unsigned char) attr; 178 1.3.2.2 veego } 179 1.3.2.2 veego 180 1.3.2.2 veego 181 1.3.2.2 veego void 182 1.3.2.2 veego et_clear(ip, sy, sx, h, w) 183 1.3.2.2 veego struct ite_softc *ip; 184 1.3.2.2 veego int sy; 185 1.3.2.2 veego int sx; 186 1.3.2.2 veego int h; 187 1.3.2.2 veego int w; 188 1.3.2.2 veego { 189 1.3.2.2 veego /* cl_clear and cl_scroll both rely on ite passing arguments 190 1.3.2.2 veego * which describe continuous regions. For a VT200 terminal, 191 1.3.2.2 veego * this is safe behavior. 192 1.3.2.2 veego */ 193 1.3.2.2 veego unsigned char *src, *dst; 194 1.3.2.2 veego volatile unsigned char *ba = ip->grf->g_regkva; 195 1.3.2.2 veego int len; 196 1.3.2.2 veego 197 1.3.2.2 veego dst = ip->grf->g_fbkva + (sy * ip->cols) + sx; 198 1.3.2.2 veego src = dst + (ip->rows*ip->cols); 199 1.3.2.2 veego len = w*h; 200 1.3.2.2 veego 201 1.3.2.2 veego SetTextPlane(ba, 0x00); 202 1.3.2.2 veego etbcopy(src, dst, len); 203 1.3.2.2 veego SetTextPlane(ba, 0x01); 204 1.3.2.2 veego etbcopy(src, dst, len); 205 1.3.2.2 veego } 206 1.3.2.2 veego 207 1.3.2.2 veego 208 1.3.2.2 veego void 209 1.3.2.2 veego et_scroll(ip, sy, sx, count, dir) 210 1.3.2.2 veego struct ite_softc *ip; 211 1.3.2.2 veego int sy; 212 1.3.2.2 veego int sx; 213 1.3.2.2 veego int count; 214 1.3.2.2 veego int dir; 215 1.3.2.2 veego { 216 1.3.2.2 veego unsigned char *fb; 217 1.3.2.2 veego volatile unsigned char *ba = ip->grf->g_regkva; 218 1.3.2.2 veego 219 1.3.2.2 veego fb = ip->grf->g_fbkva + sy * ip->cols; 220 1.3.2.2 veego SetTextPlane(ba, 0x00); 221 1.3.2.2 veego 222 1.3.2.2 veego switch (dir) { 223 1.3.2.2 veego case SCROLL_UP: 224 1.3.2.2 veego etbcopy(fb, fb - (count * ip->cols), 225 1.3.2.2 veego (ip->bottom_margin + 1 - sy) * ip->cols); 226 1.3.2.2 veego break; 227 1.3.2.2 veego case SCROLL_DOWN: 228 1.3.2.2 veego etbcopy(fb, fb + (count * ip->cols), 229 1.3.2.2 veego (ip->bottom_margin + 1 - (sy + count)) * ip->cols); 230 1.3.2.2 veego break; 231 1.3.2.2 veego case SCROLL_RIGHT: 232 1.3.2.2 veego etbcopy(fb+sx, fb+sx+count, ip->cols - (sx + count)); 233 1.3.2.2 veego break; 234 1.3.2.2 veego case SCROLL_LEFT: 235 1.3.2.2 veego etbcopy(fb+sx, fb+sx-count, ip->cols - sx); 236 1.3.2.2 veego break; 237 1.3.2.2 veego } 238 1.3.2.2 veego 239 1.3.2.2 veego SetTextPlane(ba, 0x01); 240 1.3.2.2 veego 241 1.3.2.2 veego switch (dir) { 242 1.3.2.2 veego case SCROLL_UP: 243 1.3.2.2 veego etbcopy(fb, fb - (count * ip->cols), 244 1.3.2.2 veego (ip->bottom_margin + 1 - sy) * ip->cols); 245 1.3.2.2 veego break; 246 1.3.2.2 veego case SCROLL_DOWN: 247 1.3.2.2 veego etbcopy(fb, fb + (count * ip->cols), 248 1.3.2.2 veego (ip->bottom_margin + 1 - (sy + count)) * ip->cols); 249 1.3.2.2 veego break; 250 1.3.2.2 veego case SCROLL_RIGHT: 251 1.3.2.2 veego etbcopy(fb+sx, fb+sx+count, ip->cols - (sx + count)); 252 1.3.2.2 veego break; 253 1.3.2.2 veego case SCROLL_LEFT: 254 1.3.2.2 veego etbcopy(fb+sx, fb+sx-count, ip->cols - sx); 255 1.3.2.2 veego break; 256 1.3.2.2 veego } 257 1.3.2.2 veego } 258 1.3.2.2 veego 259 1.3.2.2 veego 260 1.3.2.2 veego static void etbcopy(src, dst, len) 261 1.3.2.2 veego const void *src; 262 1.3.2.2 veego void *dst; 263 1.3.2.2 veego size_t len; 264 1.3.2.2 veego { 265 1.3.2.2 veego int i; 266 1.3.2.2 veego 267 1.3.2.2 veego if (src == dst) 268 1.3.2.2 veego return; 269 1.3.2.2 veego 270 1.3.2.2 veego if (src > dst) 271 1.3.2.2 veego for (i=len; i>0; i--) { 272 1.3.2.2 veego *((char *)dst)++ = *((char *)src)++; 273 1.3.2.2 veego } 274 1.3.2.2 veego else { 275 1.3.2.2 veego ((char *)src) += len; 276 1.3.2.2 veego ((char *)dst) += len; 277 1.3.2.2 veego 278 1.3.2.2 veego for (i=len; i>0; i--){ 279 1.3.2.2 veego *--((char *)dst) = *--((char *)src); 280 1.3.2.2 veego } 281 1.3.2.2 veego } 282 1.3.2.2 veego } 283 1.3.2.2 veego 284 1.3.2.2 veego #endif /* NGRFET */ 285
Indexes created Tue Sep 30 11:09:46 GMT 2025