xref: /netbsd/sys/arch/amiga/dev/ite_ul.c (revision bf9ec67e)
1 /*	$NetBSD: ite_ul.c,v 1.11 2002/01/28 09:57:00 aymeric Exp $ */
2 
3 /*-
4  * Copyright (c) 1995 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Ignatios Souvatzis.
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 the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: ite_ul.c,v 1.11 2002/01/28 09:57:00 aymeric Exp $");
41 
42 #include "grful.h"
43 #if NGRFUL > 0
44 
45 #include <sys/param.h>
46 #include <sys/conf.h>
47 #include <sys/proc.h>
48 #include <sys/device.h>
49 #include <sys/ioctl.h>
50 #include <sys/tty.h>
51 #include <sys/systm.h>
52 #include <dev/cons.h>
53 #include <machine/cpu.h>
54 #include <amiga/amiga/device.h>
55 #include <amiga/amiga/isr.h>
56 #include <amiga/dev/itevar.h>
57 #include <amiga/dev/grfioctl.h>
58 #include <amiga/dev/grfvar.h>
59 #include <amiga/dev/grf_ulreg.h>
60 
61 #ifndef KFONT_CUSTOM
62 #ifdef KFONT_8X11
63 #define kernel_font_width       kernel_font_width_8x11
64 #define kernel_font_height      kernel_font_height_8x11
65 #define kernel_font_baseline    kernel_font_baseline_8x11
66 #define kernel_font_boldsmear   kernel_font_boldsmear_8x11
67 #define kernel_font_lo  kernel_font_lo_8x11
68 #define kernel_font_hi  kernel_font_hi_8x11
69 #define kernel_font     kernel_font_8x11
70 #define kernel_cursor   kernel_cursor_8x11
71 #else
72 #define kernel_font_width       kernel_font_width_8x8
73 #define kernel_font_height      kernel_font_height_8x8
74 #define kernel_font_baseline    kernel_font_baseline_8x8
75 #define kernel_font_boldsmear   kernel_font_boldsmear_8x8
76 #define kernel_font_lo  kernel_font_lo_8x8
77 #define kernel_font_hi  kernel_font_hi_8x8
78 #define kernel_font     kernel_font_8x8
79 #define kernel_cursor   kernel_cursor_8x8
80 #endif
81 #endif
82 
83 extern u_int8_t kernel_font_width, kernel_font_height, kernel_font_baseline;
84 extern short  kernel_font_boldsmear;
85 extern u_int8_t kernel_font_lo, kernel_font_hi;
86 extern u_int8_t kernel_font[], kernel_cursor[];
87 
88 
89 #ifdef DEBUG_UL
90 #define gsp_out(ba,cmd,len) gsp_dump(cmd,len); gsp_write(ba,cmd,len)
91 #else
92 #define gsp_out(ba,cmd,len) gsp_write(ba,cmd,len)
93 #endif
94 
95 int ulowell_console = 1;
96 
97 void ulowell_cursor(struct ite_softc *, int);
98 void ulowell_scroll(struct ite_softc *, int, int, int, int);
99 void ulowell_deinit(struct ite_softc *);
100 void ulowell_clear(struct ite_softc *, int, int, int, int);
101 void ulowell_putc(struct ite_softc *, int, int, int, int);
102 void ulowell_init(struct ite_softc *);
103 
104 #ifdef DEBUG_UL
105 void gsp_dump(u_int16_t *, int);
106 #endif
107 
108 /* Text always on overlay plane, so: */
109 
110 #define UL_FG(ip)  0xFFFF
111 #define UL_BG(ip)  0x0000
112 
113 /*
114  * this function is called from grf_ul to init the grf_softc->g_conpri
115  * field each time a ulowell board is attached.
116  */
117 int
118 grful_cnprobe(void)
119 {
120 	static int done;
121 	int uv;
122 
123 	if (ulowell_console && done == 0)
124 		uv = CN_INTERNAL;
125 	else
126 		uv = CN_NORMAL;
127 	done = 1;
128 	return(uv);
129 }
130 
131 /*
132  * init the required fields in the grf_softc struct for a
133  * grf to function as an ite.
134  */
135 void
136 grful_iteinit(struct grf_softc *gp)
137 {
138 	gp->g_iteinit = ulowell_init;
139 	gp->g_itedeinit = ulowell_deinit;
140 	gp->g_iteclear = ulowell_clear;
141 	gp->g_iteputc = ulowell_putc;
142 	gp->g_itescroll = ulowell_scroll;
143 	gp->g_itecursor = ulowell_cursor;
144 }
145 
146 void
147 ulowell_init(struct ite_softc *ip)
148 {
149 	struct gspregs *ba;
150 
151 	u_int16_t *sp;
152 	u_int16_t cmd[8];
153 
154 	int i;
155 
156 	ba = (struct gspregs *) ip->grf->g_regkva;
157 
158 	ip->font     = kernel_font;
159 	ip->font_lo  = kernel_font_lo;
160 	ip->font_hi  = kernel_font_hi;
161 	ip->ftwidth  = kernel_font_width;
162 	ip->ftheight = kernel_font_height;
163 	ip->ftbaseline = kernel_font_baseline;
164 	ip->ftboldsmear = kernel_font_boldsmear;
165 
166 	/* upload font data */
167 
168 	ba->ctrl = LBL|INCW;
169 	ba->hstadrh = 0xFFA2;
170 	ba->hstadrl = 0x0200;
171 
172 	ba->data = 0x0000;
173 	ba->data = 0xFFA3;
174 	ba->data = ip->ftwidth;
175 	ba->data = ip->ftheight;
176 	ba->data = ip->ftbaseline;
177 	ba->data = 1;
178 	ba->data = ip->font_lo;
179 	ba->data = ip->font_hi;
180 	ba->data = ip->ftboldsmear;
181 
182 	ba->hstadrh = 0xFFA3;
183 	ba->hstadrl = 0x0000;
184 
185 	/*
186 	 * font has to be word aligned and padded to word boundary.
187 	 * 8 bit wide fonts will be byte swapped in the bit swap
188 	 * routine.
189 	 */
190 
191 	i = (ip->font_hi - ip->font_lo + 1) * ip->ftheight;
192 	if (ip->ftwidth <= 8)
193 		i /= 2;
194 	for (sp = (u_int16_t *)ip->font; i>0; --i,++sp) {
195 		ba->data = *sp;
196 	}
197 
198 	/* bitwise mirror the font: */
199 
200 	cmd[0] = GCMD_FNTMIR;
201 	gsp_out(ba, cmd, 1);
202 
203 	ip->priv = NULL;
204 	ip->cursor_opt = 0;
205 
206 	if (ip->ftwidth >0 && ip->ftheight > 0) {
207 		ip->cols = ip->grf->g_display.gd_dwidth  / ip->ftwidth;
208 		ip->rows = ip->grf->g_display.gd_dheight / ip->ftheight;
209 	}
210 
211 	ulowell_clear(ip, 0, 0, ip->rows, ip->cols);
212 
213 	/*
214 	 * switch overlay plane 0 on again, in case s.b. did a GM_GRFOVOFF
215 	 * XXX maybe this should be done on each output, by the TMS code?
216 	 * what happens on panic?
217 
218 	ba->ctrl = LBL;
219 	GSPSETHADRS(ba, 0xFE800000);
220 	ba->data = 0;
221 	ba->hstadrl = 0x0020;
222 	gup->gus_ovslct |= 1;
223 	ba->data = gup->gus_ovslct;
224 	 */
225 
226 #ifdef UL_DEBUG
227 	printf("ulowell_init: %d %d %d %d %d %d\n", ip->ftwidth, ip->ftheight,
228 		ip->ftbaseline, ip->font_lo, ip->font_hi, ip->ftboldsmear);
229 #endif
230 }
231 
232 
233 void ulowell_cursor(struct ite_softc *ip, int flag)
234 {
235 	struct gspregs *ba;
236 	u_int16_t cmd[7];
237 
238 	ba = (struct gspregs *)ip->grf->g_regkva;
239 
240 	if (flag == END_CURSOROPT)
241 		--ip->cursor_opt;
242 	else if (flag == START_CURSOROPT) {
243 		if (!ip->cursor_opt)
244 			ulowell_cursor(ip, ERASE_CURSOR);
245 		++ip->cursor_opt;
246 		return;		/* if we are already opted */
247 	}
248 
249 	if (ip->cursor_opt)
250 		return;		/* if we are still nested. */
251 
252 	/* else we draw the cursor */
253 
254 	if (flag != DRAW_CURSOR && flag != END_CURSOROPT) {
255 		/* erase cursor */
256 #if 0
257 		cmd[0] = GCMD_PIXBLT;
258 		cmd[1] = 1024 - ip->ftwidth;
259 		cmd[2] = 1024 - ip->ftheight;
260 		cmd[3] = ip->ftwidth;
261 		cmd[4] = ip->ftheight;
262 		cmd[5] = ip->cursorx * ip->ftwidth;
263 		cmd[6] = ip->cursory * ip->ftheight;
264 		gsp_out(ba, cmd, 7);
265 #endif
266 		cmd[0] = GCMD_FILL;
267 		cmd[1] = UL_FG(ip);
268 		cmd[2] = ip->cursorx * ip->ftwidth;
269 		cmd[3] = ip->cursory * ip->ftheight;
270 		cmd[4] = ip->ftwidth;
271 		cmd[5] = ip->ftheight;
272 		cmd[6] = 10;	/* thats src xor dst */
273 		gsp_out(ba, cmd, 7);
274 	}
275 
276 	if (flag != DRAW_CURSOR && flag != MOVE_CURSOR &&
277 	    flag != END_CURSOROPT)
278 		return;
279 
280 	/* draw cursor */
281 
282 	ip->cursorx = min(ip->curx, ip->cols-1);
283 	ip->cursory = ip->cury;
284 #if 0
285 	cmd[0] = GCMD_PIXBLT;
286 	cmd[1] = ip->cursorx * ip->ftwidth;
287 	cmd[2] = ip->cursory * ip->ftheight;
288 	cmd[3] = ip->ftwidth;
289 	cmd[4] = ip->ftheight;
290 	cmd[5] = 1024 - ip->ftwidth;
291 	cmd[6] = 1024 - ip->ftheight;
292 	gsp_out(ba, cmd, 7);
293 #endif
294 	cmd[0] = GCMD_FILL;
295 	cmd[1] = UL_FG(ip);
296 	cmd[2] = ip->cursorx * ip->ftwidth;
297 	cmd[3] = ip->cursory * ip->ftheight;
298 	cmd[4] = ip->ftwidth;
299 	cmd[5] = ip->ftheight;
300 	cmd[6] = 10;	/* thats src xor dst */
301 	gsp_out(ba, cmd, 7);
302 
303 }
304 
305 
306 
307 static void screen_up(struct ite_softc *ip, int top, int bottom, int lines)
308 {
309 	struct gspregs *ba;
310 
311 	u_int16_t cmd[7];
312 
313 	ba = (struct gspregs *)ip->grf->g_regkva;
314 
315 #ifdef DEBUG_UL
316 	printf("screen_up %d %d %d ->",top,bottom,lines);
317 #endif
318 	/* do some bounds-checking here.. */
319 
320 	if (top >= bottom)
321 		return;
322 
323 	if (top + lines >= bottom)
324 	{
325 		ulowell_clear (ip, top, 0, bottom - top, ip->cols);
326 		return;
327 	}
328 
329 	cmd[0] = GCMD_PIXBLT;
330 	cmd[1] = 0;					/* x */
331 	cmd[2] = top			* ip->ftheight;	/* y */
332 	cmd[3] = ip->cols		* ip->ftwidth;	/* w */
333 	cmd[4] = (bottom-top+1)		* ip->ftheight;	/* h */
334 	cmd[5] = 0;					/* dst x */
335 	cmd[6] = (top-lines)  		* ip->ftheight;	/* dst y */
336 	gsp_out(ba, cmd, 7);
337 
338 	ulowell_clear(ip, bottom-lines+1, 0, lines-1, ip->cols);
339 };
340 
341 static void screen_down(struct ite_softc *ip, int top, int bottom, int lines)
342 {
343 	struct gspregs *ba;
344 
345 	u_int16_t cmd[7];
346 
347 	ba = (struct gspregs *)ip->grf->g_regkva;
348 
349 #ifdef DEBUG_UL
350 	printf("screen_down %d %d %d ->",top,bottom,lines);
351 #endif
352 
353 	/* do some bounds-checking here.. */
354 
355 	if (top >= bottom)
356 		return;
357 
358 	if (top + lines >= bottom)
359 	{
360 	    ulowell_clear (ip, top, 0, bottom - top, ip->cols);
361 	    return;
362 	}
363 
364 	cmd[0] = GCMD_PIXBLT;
365 	cmd[1] = 0;					/* x */
366 	cmd[2] = top			* ip->ftheight;	/* y */
367 	cmd[3] = ip->cols		* ip->ftwidth;	/* w */
368 	cmd[4] = (bottom - top - lines)	* ip->ftheight;	/* h */
369 	cmd[5] = 0;					/* dst x */
370 	cmd[6] = (top + lines)		* ip->ftheight;	/* dst y */
371 	gsp_out(ba, cmd, 7);
372 
373 	ulowell_clear(ip, top, 0, lines, ip->cols);
374 };
375 
376 void ulowell_deinit(struct ite_softc *ip)
377 {
378 	ip->flags &= ~ITE_INITED;
379 }
380 
381 
382 void ulowell_putc(struct ite_softc *ip, int c, int dy, int dx, int mode)
383 {
384 	struct gspregs *ba;
385 	u_int16_t cmd[8];
386 
387 	ba = (struct gspregs *)ip->grf->g_regkva;
388 
389 	cmd[0] = GCMD_CHAR;
390 	cmd[1] = c & 0xff;
391 	cmd[2] = 0x0;
392 	cmd[3] = UL_FG(ip);
393 	cmd[4] = dx * ip->ftwidth;
394 	cmd[5] = dy * ip->ftheight;
395 	cmd[6] = mode;
396 	gsp_write(ba, cmd, 7);
397 }
398 
399 void ulowell_clear(struct ite_softc *ip, int sy, int sx, int h, int w)
400 {
401 	/* XXX TBD */
402 	struct gspregs * ba;
403 
404 	u_int16_t cmd[7];
405 
406 #ifdef	DEBUG_UL
407 	printf("ulowell_clear %d %d %d %d ->",sy,sx,h,w);
408 #endif
409 	ba = (struct gspregs *)ip->grf->g_regkva;
410 
411 	cmd[0] = GCMD_FILL;
412 	cmd[1] = 0x0; /* XXX */
413 	cmd[2] = sx * ip->ftwidth;
414 	cmd[3] = sy * ip->ftheight;
415 	cmd[4] = w * ip->ftwidth;
416 	cmd[5] = h * ip->ftheight;
417 	cmd[6] = 0;
418 
419 	gsp_out(ba, cmd, 7);
420 }
421 
422 void ulowell_scroll(struct ite_softc *ip, int sy, int sx, int count, int dir)
423 {
424 	struct gspregs *ba;
425 	u_int16_t cmd[7];
426 
427 	ba = (struct gspregs *)ip->grf->g_regkva;
428 
429 #ifdef DEBUG_UL
430 	printf("ulowell_scroll %d %d %d %d ->",sy,sx,count,dir);
431 #endif
432 
433 	ulowell_cursor(ip, ERASE_CURSOR);
434 
435 	if (dir == SCROLL_UP) {
436 		screen_up (ip, sy, ip->bottom_margin, count);
437 	} else if (dir == SCROLL_DOWN) {
438 		screen_down (ip, sy, ip->bottom_margin, count);
439 	} else if (dir == SCROLL_RIGHT) {
440 		cmd[0] = GCMD_PIXBLT;
441 		cmd[1] = sx * ip->ftwidth;
442 		cmd[2] = sy * ip->ftheight;
443 		cmd[3] = (ip->cols - sx - count) * ip->ftwidth;
444 		cmd[4] = ip->ftheight;
445 		cmd[5] = (sx + count) * ip->ftwidth;
446 		cmd[6] = sy * ip->ftheight;
447 		gsp_out(ba,cmd,7);
448 		ulowell_clear (ip, sy, sx, 1, count);
449 	} else {
450 		cmd[0] = GCMD_PIXBLT;
451 		cmd[1] = sx * ip->ftwidth;
452 		cmd[2] = sy * ip->ftheight;
453 		cmd[3] = (ip->cols - sx) * ip->ftwidth;
454 		cmd[4] = ip->ftheight;
455 		cmd[5] = (sx - count) * ip->ftwidth;
456 		cmd[6] = sy * ip->ftheight;
457 		gsp_out(ba,cmd,7);
458 		ulowell_clear (ip, sy, ip->cols - count, 1, count);
459 	}
460 }
461 
462 #ifdef DEBUG_UL
463 void
464 gsp_dump(cmd,len)
465 	u_int16_t *cmd;
466 	int len;
467 {
468 	printf("gsp");
469 	while (len-- > 0)
470 		printf(" %lx",*cmd++);
471 	printf("\n");
472 }
473 #endif
474 #endif /* NGRFUL */
475