ite.c revision 1.3 1 /* $NetBSD: ite.c,v 1.3 2003/11/14 16:52:40 tsutsui 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
90 #include <hp300/stand/common/device.h>
91 #include <hp300/stand/common/itevar.h>
92 #include <hp300/stand/common/kbdvar.h>
93 #include <hp300/stand/common/consdefs.h>
94 #include <hp300/stand/common/samachdep.h>
95
96 static void iteconfig(void);
97 static void ite_deinit_noop(struct ite_data *);
98 static void ite_clrtoeol(struct ite_data *, struct itesw *, int, int);
99 static void itecheckwrap(struct ite_data *, struct itesw *);
100
101 struct itesw itesw[] = {
102 { GID_TOPCAT,
103 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc,
104 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph },
105
106 { GID_GATORBOX,
107 gbox_init, ite_deinit_noop, gbox_clear, gbox_putc,
108 gbox_cursor, gbox_scroll, ite_readbyte, ite_writeglyph },
109
110 { GID_RENAISSANCE,
111 rbox_init, ite_deinit_noop, rbox_clear, rbox_putc,
112 rbox_cursor, rbox_scroll, ite_readbyte, ite_writeglyph },
113
114 { GID_LRCATSEYE,
115 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc,
116 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph },
117
118 { GID_HRCCATSEYE,
119 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc,
120 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph },
121
122 { GID_HRMCATSEYE,
123 topcat_init, ite_deinit_noop, topcat_clear, topcat_putc,
124 topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph },
125
126 { GID_DAVINCI,
127 dvbox_init, ite_deinit_noop, dvbox_clear, dvbox_putc,
128 dvbox_cursor, dvbox_scroll, ite_readbyte, ite_writeglyph },
129
130 { GID_HYPERION,
131 hyper_init, ite_deinit_noop, hyper_clear, hyper_putc,
132 hyper_cursor, hyper_scroll, ite_readbyte, ite_writeglyph },
133 };
134 int nitesw = sizeof(itesw) / sizeof(itesw[0]);
135
136 /* these guys need to be in initialized data */
137 int itecons = -1;
138 struct ite_data ite_data[NITE] = { { 0 } };
139 int ite_scode[NITE] = { 0 };
140
141 /*
142 * Locate all bitmapped displays
143 */
144 static void
145 iteconfig()
146 {
147 extern struct hp_hw sc_table[];
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((caddr_t)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 = (caddr_t) gr;
172 fboff = (gr->gr_fbomsb << 8) | gr->gr_fbolsb;
173 ip->fbbase = (caddr_t)(*((u_char *)ip->regbase + fboff) << 16);
174 /* DIO II: FB offset is relative to select code space */
175 if (ip->regbase >= (caddr_t)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(cp)
207 struct consdev *cp;
208 {
209 int ite;
210 struct ite_data *ip;
211 int unit, pri;
212
213 #ifdef CONSDEBUG
214 whichconsole = ++whichconsole % (NITE+1);
215 #endif
216
217 if (itecons != -1)
218 return;
219
220 iteconfig();
221 unit = -1;
222 pri = CN_DEAD;
223 for (ite = 0; ite < NITE; ite++) {
224 #ifdef CONSDEBUG
225 if (ite < whichconsole)
226 continue;
227 #endif
228 ip = &ite_data[ite];
229 if ((ip->flags & (ITE_ALIVE|ITE_CONSOLE))
230 != (ITE_ALIVE|ITE_CONSOLE))
231 continue;
232 if ((int)ip->regbase == GRFIADDR) {
233 pri = CN_INTERNAL;
234 unit = ite;
235 } else if (unit < 0) {
236 pri = CN_NORMAL;
237 unit = ite;
238 }
239 }
240 curcons_scode = ite_scode[unit];
241 cp->cn_dev = unit;
242 cp->cn_pri = pri;
243 }
244
245 void
246 iteinit(cp)
247 struct consdev *cp;
248 {
249 int ite = cp->cn_dev;
250 struct ite_data *ip;
251
252 if (itecons != -1)
253 return;
254
255 ip = &ite_data[ite];
256
257 ip->curx = 0;
258 ip->cury = 0;
259 ip->cursorx = 0;
260 ip->cursory = 0;
261
262 (*ip->isw->ite_init)(ip);
263 (*ip->isw->ite_cursor)(ip, DRAW_CURSOR);
264
265 itecons = ite;
266 kbdinit();
267 }
268
269 /* ARGSUSED */
270 void
271 iteputchar(dev, c)
272 dev_t dev;
273 int c;
274 {
275 struct ite_data *ip = &ite_data[itecons];
276 struct itesw *sp = ip->isw;
277
278 c &= 0x7F;
279 switch (c) {
280
281 case '\n':
282 if (++ip->cury == ip->rows) {
283 ip->cury--;
284 (*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP);
285 ite_clrtoeol(ip, sp, ip->cury, 0);
286 }
287 else
288 (*sp->ite_cursor)(ip, MOVE_CURSOR);
289 break;
290
291 case '\r':
292 ip->curx = 0;
293 (*sp->ite_cursor)(ip, MOVE_CURSOR);
294 break;
295
296 case '\b':
297 if (--ip->curx < 0)
298 ip->curx = 0;
299 else
300 (*sp->ite_cursor)(ip, MOVE_CURSOR);
301 break;
302
303 default:
304 if (c < ' ' || c == 0177)
305 break;
306 (*sp->ite_putc)(ip, c, ip->cury, ip->curx, ATTR_NOR);
307 (*sp->ite_cursor)(ip, DRAW_CURSOR);
308 itecheckwrap(ip, sp);
309 break;
310 }
311 }
312
313 static void
314 itecheckwrap(ip, sp)
315 struct ite_data *ip;
316 struct itesw *sp;
317 {
318 if (++ip->curx == ip->cols) {
319 ip->curx = 0;
320 if (++ip->cury == ip->rows) {
321 --ip->cury;
322 (*sp->ite_scroll)(ip, 1, 0, 1, SCROLL_UP);
323 ite_clrtoeol(ip, sp, ip->cury, 0);
324 return;
325 }
326 }
327 (*sp->ite_cursor)(ip, MOVE_CURSOR);
328 }
329
330 static void
331 ite_clrtoeol(ip, sp, y, x)
332 struct ite_data *ip;
333 struct itesw *sp;
334 int y, x;
335 {
336 (*sp->ite_clear)(ip, y, x, 1, ip->cols - x);
337 (*sp->ite_cursor)(ip, DRAW_CURSOR);
338 }
339
340 /* ARGSUSED */
341 int
342 itegetchar(dev)
343 dev_t dev;
344 {
345
346 #ifdef SMALL
347 return 0;
348 #else
349 return kbdgetc();
350 #endif
351 }
352 #endif
353
354 /* ARGSUSED */
355 static void
356 ite_deinit_noop(ip)
357 struct ite_data *ip;
358 {
359 }
360