ite_et.c revision 1.1
1 /* $NetBSD: ite_et.c,v 1.1 1996/05/19 21:06:00 veego Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Ezra Story 5 * Copyright (c) 1995 Kari Mettinen 6 * Copyright (c) 1994 Markus Wild 7 * Copyright (c) 1994 Lutz Vieweg 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by Lutz Vieweg. 21 * 4. The name of the author may not be used to endorse or promote products 22 * derived from this software without specific prior written permission 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #include "grfet.h" 37 #if NGRFET > 0 38 39 #include <sys/param.h> 40 #include <sys/conf.h> 41 #include <sys/proc.h> 42 #include <sys/device.h> 43 #include <sys/ioctl.h> 44 #include <sys/tty.h> 45 #include <sys/systm.h> 46 #include <dev/cons.h> 47 #include <machine/cpu.h> 48 #include <amiga/amiga/device.h> 49 #include <amiga/dev/grfioctl.h> 50 #include <amiga/dev/grfvar.h> 51 #include <amiga/dev/grf_etreg.h> 52 #include <amiga/dev/itevar.h> 53 54 #ifdef TSENGCONSOLE 55 int et_console = 1; 56 #else 57 int et_console = 0; 58 #endif 59 60 void et_init __P((struct ite_softc *ip)); 61 void et_cursor __P((struct ite_softc *ip, int flag)); 62 void et_deinit __P((struct ite_softc *ip)); 63 void et_putc __P((struct ite_softc *ip, int c, int dy, int dx, int mode)); 64 void et_clear __P((struct ite_softc *ip, int sy, int sx, int h, int w)); 65 void et_scroll __P((struct ite_softc *ip, int sy, int sx, int count, 66 int dir)); 67 68 69 /* 70 * Called to determine ite status. Because the connection between the 71 * console & ite in this driver is rather intimate, we return CN_DEAD 72 * if the cl_console is not active. 73 */ 74 int 75 grfet_cnprobe(void) 76 { 77 static int done; 78 int rv; 79 80 if (et_console && (done == 0)) 81 rv = CN_INTERNAL; 82 else 83 rv = CN_DEAD; 84 85 done = 1; 86 return(rv); 87 } 88 89 90 void 91 grfet_iteinit(gp) 92 struct grf_softc *gp; 93 { 94 gp->g_iteinit = et_init; 95 gp->g_itedeinit = et_deinit; 96 gp->g_iteclear = et_clear; 97 gp->g_iteputc = et_putc; 98 gp->g_itescroll = et_scroll; 99 gp->g_itecursor = et_cursor; 100 } 101 102 103 void 104 et_init(ip) 105 struct ite_softc *ip; 106 { 107 struct grfettext_mode *md; 108 109 ip->priv = ip->grf->g_data; 110 md = (struct grfettext_mode *) ip->priv; 111 112 ip->cols = md->cols; 113 ip->rows = md->rows; 114 } 115 116 117 void 118 et_cursor(ip, flag) 119 struct ite_softc *ip; 120 int flag; 121 { 122 volatile u_char *ba = ip->grf->g_regkva; 123 124 switch (flag) { 125 case DRAW_CURSOR: 126 /*WCrt(ba, CRT_ID_CURSOR_START, & ~0x20); */ 127 case MOVE_CURSOR: 128 flag = ip->curx + ip->cury * ip->cols; 129 WCrt(ba, CRT_ID_CURSOR_LOC_LOW, flag & 0xff); 130 WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, (flag >> 8) & 0xff); 131 WCrt(ba, CTR_ID_EXT_START, (flag >> (16-2)) & 0x0c); 132 133 ip->cursorx = ip->curx; 134 ip->cursory = ip->cury; 135 break; 136 case ERASE_CURSOR: 137 /*WCrt(ba, CRT_ID_CURSOR_START, | 0x20); */ 138 case START_CURSOROPT: 139 case END_CURSOROPT: 140 default: 141 break; 142 } 143 } 144 145 146 void 147 et_deinit(ip) 148 struct ite_softc *ip; 149 { 150 ip->flags &= ~ITE_INITED; 151 } 152 153 154 void 155 et_putc(ip, c, dy, dx, mode) 156 struct ite_softc *ip; 157 int c; 158 int dy; 159 int dx; 160 int mode; 161 { 162 volatile unsigned char *ba = ip->grf->g_regkva; 163 unsigned char *fb = ip->grf->g_fbkva; 164 unsigned char attr; 165 unsigned char *cp; 166 167 attr =(unsigned char) ((mode & ATTR_INV) ? (0x70) : (0x07)); 168 if (mode & ATTR_UL) attr = 0x01; /* ???????? */ 169 if (mode & ATTR_BOLD) attr |= 0x08; 170 if (mode & ATTR_BLINK) attr |= 0x80; 171 172 cp = fb + ((dy * ip->cols) + dx); 173 SetTextPlane(ba,0x00); 174 *cp = (unsigned char) c; 175 SetTextPlane(ba,0x01); 176 *cp = (unsigned char) attr; 177 } 178 179 180 void 181 et_clear(ip, sy, sx, h, w) 182 struct ite_softc *ip; 183 int sy; 184 int sx; 185 int h; 186 int w; 187 { 188 /* cl_clear and cl_scroll both rely on ite passing arguments 189 * which describe continuous regions. For a VT200 terminal, 190 * this is safe behavior. 191 */ 192 unsigned char *src, *dst; 193 volatile unsigned char *ba = ip->grf->g_regkva; 194 int len; 195 196 dst = ip->grf->g_fbkva + (sy * ip->cols) + sx; 197 src = dst + (ip->rows*ip->cols); 198 len = w*h; 199 200 SetTextPlane(ba, 0x00); 201 bcopy(src, dst, len); 202 SetTextPlane(ba, 0x01); 203 bcopy(src, dst, len); 204 } 205 206 207 void 208 et_scroll(ip, sy, sx, count, dir) 209 struct ite_softc *ip; 210 int sy; 211 int sx; 212 int count; 213 int dir; 214 { 215 unsigned char *fb; 216 volatile unsigned char *ba = ip->grf->g_regkva; 217 218 fb = ip->grf->g_fbkva + sy * ip->cols; 219 SetTextPlane(ba, 0x00); 220 221 switch (dir) { 222 case SCROLL_UP: 223 bcopy(fb, fb - (count * ip->cols), 224 (ip->bottom_margin + 1 - sy) * ip->cols); 225 break; 226 case SCROLL_DOWN: 227 bcopy(fb, fb + (count * ip->cols), 228 (ip->bottom_margin + 1 - (sy + count)) * ip->cols); 229 break; 230 case SCROLL_RIGHT: 231 bcopy(fb+sx, fb+sx+count, ip->cols - (sx + count)); 232 break; 233 case SCROLL_LEFT: 234 bcopy(fb+sx, fb+sx-count, ip->cols - sx); 235 break; 236 } 237 238 SetTextPlane(ba, 0x01); 239 240 switch (dir) { 241 case SCROLL_UP: 242 bcopy(fb, fb - (count * ip->cols), 243 (ip->bottom_margin + 1 - sy) * ip->cols); 244 break; 245 case SCROLL_DOWN: 246 bcopy(fb, fb + (count * ip->cols), 247 (ip->bottom_margin + 1 - (sy + count)) * ip->cols); 248 break; 249 case SCROLL_RIGHT: 250 bcopy(fb+sx, fb+sx+count, ip->cols - (sx + count)); 251 break; 252 case SCROLL_LEFT: 253 bcopy(fb+sx, fb+sx-count, ip->cols - sx); 254 break; 255 } 256 } 257 #endif /* NGRFET */ 258
Indexes created Tue Sep 30 11:09:46 GMT 2025