grfabs_cc.c revision 1.5 1 /*
2 * Copyright (c) 1994 Christian E. Hopps
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Christian E. Hopps.
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $Id: grfabs_cc.c,v 1.5 1994/06/30 11:49:05 chopps Exp $
31 *
32 * abstract interface for custom chips to the amiga abstract graphics driver.
33 *
34 */
35
36 #include <sys/param.h>
37 #include <sys/errno.h>
38 #include <sys/cdefs.h>
39 #include <sys/queue.h>
40
41 #include <amiga/amiga/custom.h>
42 #include <amiga/amiga/cc.h>
43
44 #include <amiga/dev/grfabs_reg.h>
45 #include <amiga/dev/grfabs_ccreg.h>
46
47 monitor_t *m_this;
48 mdata_t *m_this_data;
49 char *monitor_name = "CCMONITOR";
50 monitor_t monitor;
51 mdata_t monitor_data;
52 cop_t *null_mode_copper_list;
53
54 #if defined (GRF_PAL)
55 # if defined (GRF_A2024)
56 dmode_t pal_a2024_mode;
57 dmdata_t pal_a2024_mode_data;
58 cop_t *pal_a2024_frames[F_QD_TOTAL];
59 u_char *hedley_init; /* init bitplane. */
60 dmode_t *p24_this;
61 dmdata_t *p24_this_data;
62
63 dmode_t pal_hires_dlace_mode;
64 dmdata_t pal_hires_dlace_mode_data;
65 cop_t *pal_hires_dlace_frames[F_LACE_TOTAL];
66 dmode_t *phdl_this;
67 dmdata_t *phdl_this_data;
68 # endif /* GRF_A2024 */
69
70 dmode_t pal_hires_lace_mode;
71 dmdata_t pal_hires_lace_mode_data;
72 cop_t *pal_hires_lace_frames[F_LACE_TOTAL];
73 dmode_t *phl_this;
74 dmdata_t *phl_this_data;
75
76 dmode_t pal_hires_mode;
77 dmdata_t pal_hires_mode_data;
78 cop_t *pal_hires_frames[F_TOTAL];
79 dmode_t *ph_this;
80 dmdata_t *ph_this_data;
81 #endif /* PAL */
82
83 #if defined (GRF_NTSC)
84 # if defined (GRF_A2024)
85 dmode_t a2024_mode;
86 dmdata_t a2024_mode_data;
87 cop_t *a2024_frames[F_QD_TOTAL];
88 u_char *hedley_init; /* init bitplane. */
89 dmode_t *a24_this;
90 dmdata_t *a24_this_data;
91
92 dmode_t hires_dlace_mode;
93 dmdata_t hires_dlace_mode_data;
94 cop_t *hires_dlace_frames[F_LACE_TOTAL];
95 dmode_t *hdl_this;
96 dmdata_t *hdl_this_data;
97 # endif /* GRF_A2024 */
98
99 # if defined (GRF_AGA)
100 dmode_t aga_mode;
101 dmdata_t aga_mode_data;
102 cop_t *aga_frames[F_TOTAL];
103 dmode_t *aga_this;
104 dmdata_t *aga_this_data;
105 # endif /* GRF_AGA */
106
107 dmode_t hires_lace_mode;
108 dmdata_t hires_lace_mode_data;
109 cop_t *hires_lace_frames[F_LACE_TOTAL];
110 dmode_t *hl_this;
111 dmdata_t *hl_this_data;
112
113 void display_hires_view(view_t * v);
114 dmode_t hires_mode;
115 dmdata_t hires_mode_data;
116 cop_t *hires_frames[F_TOTAL];
117 dmode_t *h_this;
118 dmdata_t *h_this_data;
119 #endif /* GRF_NTSC */
120
121 #ifdef GRF_AGA
122 #define AGA_ENABLE 0x0001
123 #define AGA_ENABLE2 0x0002
124 #define AGA_TRACE 0x0004
125 #define AGA_TRACE2 0x0008
126 #define AGA_VGAONLY 0x0010
127 #define AGA_VGA31KHZ 0x0020
128
129 int aga_enable = 0; /* set by start_c(), or can be patched */
130 #endif
131
132 /* monitor functions. */
133 monitor_t *
134 cc_init_monitor()
135 {
136 cop_t *cp;
137
138 if (m_this)
139 return(m_this);
140
141 cc_monitor = m_this = &monitor;
142 /* turn sprite DMA off. we don't support them yet. */
143 custom.dmacon = DMAF_SPRITE;
144
145 m_this->name = monitor_name;
146 m_this_data = m_this->data = &monitor_data;
147
148 m_this->get_current_mode = get_current_mode;
149 m_this->vbl_handler = (vbl_handler_func *) monitor_vbl_handler;
150 m_this->get_next_mode = get_next_mode;
151 m_this->get_best_mode = get_best_mode;
152
153 m_this->alloc_bitmap = alloc_bitmap;
154 m_this->free_bitmap = free_bitmap;
155
156 m_this_data->current_mode = NULL;
157 LIST_INIT(&m_this_data->modes);
158
159 cp = null_mode_copper_list = alloc_chipmem(sizeof(cop_t) * 4);
160 if (!cp)
161 panic("no chipmem for grf.");
162
163 CMOVE(cp, R_COLOR00, 0x0000); /* background is black */
164 CMOVE(cp, R_BPLCON0, 0x0000); /* no planes to fetch from */
165 CWAIT(cp, 255, 255); /* COPEND */
166 CWAIT(cp, 255, 255); /* COPEND really */
167
168 /* install this list and turn DMA on */
169 custom.cop1lc = PREP_DMA_MEM(null_mode_copper_list);
170 custom.copjmp1 = 0;
171 custom.dmacon = DMAF_SETCLR | DMAF_MASTER | DMAF_RASTER \
172 |DMAF_COPPER;
173
174 cc_init_modes();
175 LIST_INSERT_HEAD(monitors, m_this, link);
176 return (m_this);
177 }
178
179 void
180 monitor_vbl_handler(m)
181 monitor_t *m;
182 {
183 dmdata_t *dmd;
184
185 if (m_this_data->current_mode == NULL)
186 return;
187
188 dmd = DMDATA(m_this_data->current_mode);
189 if (dmd)
190 dmd->vbl_handler(m_this_data->current_mode);
191 }
192
193 dmode_t *
194 get_current_mode()
195 {
196 if (m_this_data->current_mode)
197 return(m_this_data->current_mode);
198 else
199 return(NULL);
200 }
201
202 dmode_t *
203 get_next_mode(d)
204 dmode_t *d;
205 {
206 if (d)
207 return(d->link.le_next);
208 return(m_this_data->modes.lh_first);
209 }
210
211 /* XXX needs to have more control attributes */
212 dmode_t *
213 get_best_mode(size, depth)
214 dimen_t *size;
215 u_char depth;
216 {
217 dmode_t *save;
218 dmode_t *dm;
219 long dt, dx, dy, ct;
220 dmdata_t *dmd;
221
222 save = NULL;
223 dm = m_this_data->modes.lh_first;
224 while (dm != NULL) {
225 dmd = dm->data;
226 if (depth > dmd->max_depth || depth < dmd->min_depth) {
227 dm = dm->link.le_next;
228 continue;
229 } else if (size->width > dmd->max_size.width ||
230 size->height > dmd->max_size.height) {
231 dm = dm->link.le_next;
232 continue;
233 } else if (size->width < dmd->min_size.width ||
234 size->height < dmd->min_size.height) {
235 dm = dm->link.le_next;
236 continue;
237 }
238 dx = abs(dm->nominal_size.width - size->width);
239 dy = abs(dm->nominal_size.height - size->height);
240 ct = dx + dy;
241
242 if (ct < dt || save == NULL) {
243 save = dm;
244 dt = ct;
245 }
246 dm = dm->link.le_next;
247 }
248 return (save);
249 }
250 /* bitmap functions */
251 bmap_t *
252 alloc_bitmap(width, height, depth, flags)
253 u_short width, height, depth, flags;
254 {
255 int i;
256 u_long total_size;
257 #ifdef GRF_AGA
258 u_short lwpr = (flags & BMF_ALIGN64) ? ((width + 63) / 64) * 2 :
259 (width + 31) / 32; /* AGA needs 64 bit align */
260 #else
261 u_short lwpr = (width + 31) / 32;
262 #endif
263 u_short wpr = lwpr << 1;
264 u_short bpr = wpr << 1;
265 u_short array_size = sizeof(u_char *) * depth;
266 u_long plane_size = bpr * height;
267 u_short temp_size = bpr + sizeof(u_long);
268 bmap_t *bm;
269
270 /* note the next allocation will give everything, also note that all
271 * the stuff we want (including bitmaps) will be long short aligned.
272 * This is a function of the data being allocated and the fact that
273 * alloc_chipmem() returns long short aligned data. note also that
274 * each row of the bitmap is long word aligned and made of exactly n
275 * longwords. -ch */
276
277 /* Sigh, it seems for mapping to work we need the bitplane data to 1:
278 * be aligned on a page boundry. 2: be n pages large.
279 *
280 * why? becuase the user gets a page aligned address, if this is before
281 * your allocation, too bad. Also it seems that the mapping routines
282 * do not watch to closely to the allowable length. so if you go over
283 * n pages by less than another page, the user gets to write all over
284 * the entire page. Since you did not allocate up to a page boundry
285 * (or more) the user writes into someone elses memory. -ch */
286 total_size = amiga_round_page(plane_size * depth) + /* for length */
287 (temp_size) + (array_size) + sizeof(bmap_t) +
288 NBPG; /* for alignment */
289 bm = alloc_chipmem(total_size);
290 if (bm) {
291 if (flags & BMF_CLEAR) {
292 bzero(bm, total_size);
293 }
294 bm->bytes_per_row = bpr;
295 bm->rows = height;
296 bm->depth = depth;
297 bm->flags = flags;
298 bm->plane = (u_char **) & bm[1];
299 bm->blit_temp = ((u_char *) bm->plane) + array_size;
300 bm->plane[0] = (u_char *) amiga_round_page((u_long) (bm->blit_temp + temp_size));
301 if (flags & BMF_INTERLEAVED) {
302 bm->row_mod = bm->bytes_per_row * (depth - 1);
303 for (i = 1; i < depth; i++) {
304 bm->plane[i] = bm->plane[i - 1] + bpr;
305 }
306 } else {
307 bm->row_mod = 0;
308 for (i = 1; i < depth; i++) {
309 bm->plane[i] = bm->plane[i - 1] + plane_size;
310 }
311 }
312 bm->hardware_address = PREP_DMA_MEM(bm->plane[0]);
313 return (bm);
314 }
315 return (NULL);
316 }
317
318
319 void
320 free_bitmap(bm)
321 bmap_t *bm;
322 {
323 if (bm)
324 free_chipmem(bm);
325 }
326 /* load a new mode into the current display, if NULL shut display off. */
327 void
328 cc_load_mode(d)
329 dmode_t *d;
330 {
331 if (d) {
332 m_this_data->current_mode = d;
333 return;
334 }
335 /* turn off display */
336 m_this_data->current_mode = NULL;
337 wait_tof();
338 wait_tof();
339 custom.cop1lc = PREP_DMA_MEM(null_mode_copper_list);
340 }
341 /*
342 * CC Mode Stuff.
343 */
344
345 dmode_t *(*mode_init_funcs[]) (void) = {
346 #if defined (GRF_NTSC)
347 #if defined (GRF_A2024)
348 cc_init_ntsc_a2024,
349 cc_init_ntsc_hires_dlace,
350 #endif /* GRF_A2024 */
351 cc_init_ntsc_hires_lace,
352 cc_init_ntsc_hires,
353 #if defined (GRF_AGA)
354 cc_init_ntsc_aga,
355 #endif /* GRF_AGA */
356 #endif /* GRF_NTSC */
357 #if defined (GRF_PAL)
358 #if defined (GRF_A2024)
359 cc_init_pal_a2024,
360 cc_init_pal_hires_dlace,
361 #endif /* GRF_A2024 */
362 cc_init_pal_hires_lace,
363 cc_init_pal_hires,
364 #endif /* GRF_PAL */
365 NULL
366 };
367
368 int
369 cc_init_modes()
370 {
371 int i = 0;
372 int error = 0;
373 while (mode_init_funcs[i]) {
374 mode_init_funcs[i] ();
375 i++;
376 }
377 return (error);
378 }
379
380 monitor_t *
381 cc_get_monitor(d)
382 dmode_t *d;
383 {
384 return (DMDATA(d)->monitor);
385 }
386
387 view_t *
388 cc_get_current_view(d)
389 dmode_t *d;
390 {
391 return (DMDATA(d)->current_view);
392 }
393
394
395 view_t *
396 cc_alloc_view(mode, dim, depth)
397 dmode_t *mode;
398 dimen_t *dim;
399 u_char depth;
400 {
401 view_t *v = alloc_chipmem(sizeof(*v) + sizeof(vdata_t));
402 if (v) {
403 bmap_t *bm = cc_monitor->alloc_bitmap(dim->width, dim->height,
404 depth, BMF_CLEAR | (DMDATA(mode)->max_depth == 8 ? BMF_ALIGN64 : 0));
405 if (bm) {
406 int i;
407 box_t box;
408
409 v->data = &v[1]; /* at the end of view */
410 VDATA(v)->colormap = DMDATA(mode)->alloc_colormap(depth);
411 if (VDATA(v)->colormap) {
412 INIT_BOX(&box, 0, 0, dim->width, dim->height);
413 cc_init_view(v, bm, mode, &box);
414 return (v);
415 }
416 cc_monitor->free_bitmap(bm);
417 }
418 free_chipmem(v);
419 }
420 return (NULL);
421 }
422
423 colormap_t *
424 cc_alloc_colormap(depth)
425 int depth;
426 {
427 u_long size = 1U << depth, i;
428 colormap_t *cm = alloc_chipmem(sizeof(u_long) * size + sizeof(*cm));
429
430 if (cm) {
431 cm->type = CM_COLOR;
432 cm->red_mask = 0x0F;
433 cm->green_mask = 0x0F;
434 cm->blue_mask = 0x0F;
435 cm->first = 0;
436 cm->size = size;
437 cm->entry = (u_long *) & cm[1]; /* table directly after. */
438 for (i = 0; i < size; i++) {
439 cm->entry[i] = CM_WTOL(cc_default_colors[i&31]);
440 }
441 return (cm);
442 }
443 return (NULL);
444 }
445
446 #ifdef GRF_AGA
447 colormap_t *
448 cc_alloc_aga_colormap(depth)
449 int depth;
450 {
451 u_long size = 1U << depth, i;
452 colormap_t *cm = alloc_chipmem(sizeof(u_long) * size + sizeof(*cm));
453
454 if (cm) {
455 cm->type = CM_COLOR;
456 cm->red_mask = 0x0FF;
457 cm->green_mask = 0x0FF;
458 cm->blue_mask = 0x0FF;
459 cm->first = 0;
460 cm->size = size;
461 cm->entry = (u_long *) & cm[1]; /* table directly after. */
462 for (i = 0; i < size; i++) {
463 cm->entry[i] = CM_WTOL(cc_default_colors[i&31]) |
464 (CM_WTOL(cc_default_colors[i&31]) << 4);
465 }
466 return (cm);
467 }
468 return (NULL);
469 }
470 #endif
471
472 int
473 cc_colormap_checkvals(vcm, cm, use)
474 colormap_t *vcm, *cm;
475 int use;
476 {
477 if (use) {
478 /* check to see if its the view's colormap, if so just do
479 * update. */
480 if (vcm != cm) {
481 if (cm->first >= vcm->size || (cm->first + cm->size) > (cm->first + vcm->size) ||
482 cm->type != vcm->type) {
483 return (0);
484 }
485 switch (vcm->type) {
486 case CM_COLOR:
487 if (cm->red_mask != vcm->red_mask ||
488 cm->green_mask != vcm->green_mask ||
489 cm->blue_mask != vcm->blue_mask) {
490 return (0);
491 }
492 break;
493 case CM_GREYSCALE:
494 if (cm->grey_mask != vcm->grey_mask) {
495 return (0);
496 }
497 break;
498 }
499 }
500 } else {
501 if (cm->first >= vcm->size || (cm->first + cm->size) > (cm->first + vcm->size)) {
502 return (0);
503 }
504 }
505 return (1);
506 }
507 /* does sanity check on values */
508 int
509 cc_get_colormap(v, cm)
510 view_t *v;
511 colormap_t *cm;
512 {
513 colormap_t *vcm = VDATA(v)->colormap;
514 int i;
515
516 if (!cc_colormap_checkvals(vcm, cm, 0)) {
517 return (EINVAL);
518 }
519 cm->type = vcm->type;
520
521 switch (vcm->type) {
522 case CM_COLOR:
523 cm->red_mask = vcm->red_mask;
524 cm->green_mask = vcm->green_mask;
525 cm->blue_mask = vcm->blue_mask;
526 break;
527 case CM_GREYSCALE:
528 cm->grey_mask = vcm->grey_mask;
529 break;
530 }
531
532 /* copy entries into colormap. */
533 for (i = cm->first; i < (cm->first + cm->size); i++) {
534 cm->entry[i] = vcm->entry[i];
535 }
536 return (0);
537 }
538
539 /* does sanity check on values */
540 int
541 cc_use_colormap(v, cm)
542 view_t *v;
543 colormap_t *cm;
544 {
545 colormap_t *vcm = VDATA(v)->colormap;
546 int s, i;
547
548 if (!cc_colormap_checkvals(vcm, cm, 1)) {
549 return (EINVAL);
550 }
551 /* check to see if its the view's colormap, if so just do update. */
552 if (vcm != cm) {
553 /* copy entries into colormap. */
554 for (i = cm->first; i < (cm->first + cm->size); i++) {
555 vcm->entry[i] = cm->entry[i];
556 }
557 }
558 s = spltty();
559
560 /* is view currently being displayed? */
561 if (VDATA(v)->flags & VF_DISPLAY) {
562 /* yes, update the copper lists */
563 cop_t *tmp, *cp;
564 int nframes = 1, j;
565
566 if (DMDATA(VDATA(v)->mode)->flags & DMF_INTERLACE) {
567 nframes = 2;
568 }
569 for (i = 0; i < nframes; i++) {
570 cp = DMDATA(VDATA(v)->mode)->frames[i];
571
572 tmp = find_copper_inst(cp, CI_MOVE(R_COLOR07));
573 tmp -= 7;
574
575 for (j = 0; j < 32; j++) {
576 CMOVE(tmp, R_COLOR00 + (j << 1), CM_LTOW(vcm->entry[j]));
577 }
578 }
579 }
580 splx(s);
581 return (0);
582 }
583
584 #ifdef GRF_AGA
585 /* does sanity check on values */
586 int
587 cc_use_aga_colormap(v, cm)
588 view_t *v;
589 colormap_t *cm;
590 {
591 colormap_t *vcm = VDATA(v)->colormap;
592 int s, i;
593
594 if (!cc_colormap_checkvals(vcm, cm, 1)) {
595 return (EINVAL);
596 }
597 /* check to see if its the view's colormap, if so just do update. */
598 if (vcm != cm) {
599 /* copy entries into colormap. */
600 for (i = cm->first; i < (cm->first + cm->size); i++) {
601 vcm->entry[i] = cm->entry[i];
602 }
603 }
604 s = spltty();
605
606 /* is view currently being displayed? */
607 if (VDATA(v)->flags & VF_DISPLAY) {
608 /* yes, update the copper lists */
609 cop_t *tmp, *cp;
610 int nframes = 1, j;
611
612 if (DMDATA(VDATA(v)->mode)->flags & DMF_INTERLACE) {
613 nframes = 2;
614 }
615 for (i = 0; i < nframes; i++) {
616 cp = DMDATA(VDATA(v)->mode)->frames[i];
617
618 tmp = find_copper_inst(cp, CI_MOVE(R_COLOR00));
619 for (j = 0; j < vcm->size; j += 32) {
620 int k;
621
622 for (k = 0; k < 32; k++) {
623 int ce = vcm->entry[j + k] >> 4;
624 CMOVE(tmp, R_COLOR00 + (k << 1), CM_LTOW(ce));
625 }
626 tmp++;
627 for (k = 0; k < 32; k++) {
628 int ce =vcm->entry[j + k];
629 CMOVE(tmp, R_COLOR00 + (k << 1), CM_LTOW(ce));
630 }
631 tmp++;
632 }
633 }
634 }
635 splx(s);
636 return (0);
637 }
638 #endif
639
640 #if defined (GRF_A2024)
641 colormap_t *
642 cc_a2024_alloc_colormap(depth)
643 int depth;
644 {
645 u_long size = 1U << depth, i;
646 colormap_t *cm = alloc_chipmem(sizeof(u_long) * size + sizeof(*cm));
647
648 if (cm) {
649 cm->type = CM_GREYSCALE;
650 cm->grey_mask = 0x03;
651 cm->first = 0;
652 cm->size = size;
653 cm->entry = (u_long *) & cm[1]; /* table directly after. */
654 for (i = 0; i < size; i++) {
655 cm->entry[i] = CM_WTOL(cc_a2024_default_colors[i]);
656 }
657 return (cm);
658 }
659 return (NULL);
660 }
661
662 int
663 cc_a2024_get_colormap(v, cm)
664 view_t *v;
665 colormap_t *cm;
666 {
667 /* there are no differences (yet) in the way the cm's are stored */
668 return (cc_get_colormap(v, cm));
669 }
670
671 int
672 cc_a2024_use_colormap(v, cm)
673 view_t *v;
674 colormap_t *cm;
675 {
676 colormap_t *vcm = VDATA(v)->colormap;
677 int s, i;
678
679 if (!cc_colormap_checkvals(vcm, cm, 1)) {
680 return (EINVAL);
681 }
682 /* check to see if its the view's colormap, if so just do update. */
683 if (vcm != cm) {
684 /* copy entries into colormap. */
685 for (i = cm->first; i < (cm->first + cm->size); i++) {
686 vcm->entry[i] = cm->entry[i];
687 }
688 }
689 s = spltty();
690
691 /* is view currently being displayed? */
692 if (VDATA(v)->flags & VF_DISPLAY) {
693 /* yes, update the copper lists */
694 cop_t *tmp, *cp;
695 int nframes = 2, nregs = cm->size == 4 ? 16 : 8, j;
696
697 if (DMDATA(VDATA(v)->mode)->flags & DMF_HEDLEY_EXP) {
698 nframes = 4;
699 }
700 for (i = 0; i < nframes; i++) {
701 cp = DMDATA(VDATA(v)->mode)->frames[i];
702
703 tmp = find_copper_inst(cp, CI_MOVE(R_COLOR07));
704 tmp -= 7;
705
706 for (j = 0; j < nregs; j++) {
707 CMOVE(tmp, R_COLOR00 + (j << 1), A2024_CM_TO_CR(vcm, j));
708 }
709 }
710 }
711 splx(s);
712 return (0);
713 }
714 #endif /* GRF_A2024 */
715
716
717 /*
718 * CC View stuff.
719 */
720
721 void
722 cc_init_view(v, bm, mode, dbox)
723 view_t *v;
724 bmap_t *bm;
725 dmode_t *mode;
726 box_t *dbox;
727 {
728 vdata_t *vd = VDATA(v);
729 v->bitmap = bm;
730 vd->mode = mode;
731 bcopy(dbox, &v->display, sizeof(box_t));
732
733 v->display_view = DMDATA(vd->mode)->display_view;
734 v->use_colormap = DMDATA(vd->mode)->use_colormap;
735 v->get_colormap = DMDATA(vd->mode)->get_colormap;
736 v->free_view = cc_free_view;
737 v->get_display_mode = cc_get_display_mode;
738 v->remove_view = cc_remove_view;
739 }
740
741 void
742 cc_free_view(v)
743 view_t *v;
744 {
745 if (v) {
746 vdata_t *vd = VDATA(v);
747 dmode_t *md = vd->mode;
748 v->remove_view(v);
749 free_chipmem(VDATA(v)->colormap);
750 cc_monitor->free_bitmap(v->bitmap);
751 free_chipmem(v);
752 }
753 }
754
755 void
756 cc_remove_view(v)
757 view_t *v;
758 {
759 dmode_t *mode = VDATA(v)->mode;
760
761 if (MDATA(cc_monitor)->current_mode == mode) {
762 if (DMDATA(mode)->current_view == v) {
763 cc_load_mode(NULL);
764 }
765 }
766 if (DMDATA(mode)->current_view == v) {
767 DMDATA(mode)->current_view = NULL;
768 }
769 VDATA(v)->flags &= ~VF_DISPLAY;
770 }
771
772 dmode_t *
773 cc_get_display_mode(v)
774 view_t *v;
775 {
776 return (VDATA(v)->mode);
777 }
778
779 void
780 cc_mode_vbl_handler(d)
781 dmode_t *d;
782 {
783 u_short vp = ((custom.vposr & 0x0007) << 8) | ((custom.vhposr) >> 8);
784
785 if (vp < 12) {
786 custom.cop1lc = PREP_DMA_MEM(DMDATA(d)->frames[F_LONG]);
787 custom.copjmp1 = 0;
788 }
789 }
790
791 void
792 cc_lace_mode_vbl_handler(d)
793 dmode_t *d;
794 {
795 u_short vp = ((custom.vposr & 0x0007) << 8) | ((custom.vhposr) >> 8);
796
797 if (vp < 12) {
798 if (custom.vposr & 0x8000) {
799 custom.cop1lc = PREP_DMA_MEM(DMDATA(d)->frames[F_LACE_LONG]);
800 } else {
801 custom.cop1lc = PREP_DMA_MEM(DMDATA(d)->frames[F_LACE_SHORT]);
802 }
803 custom.copjmp1 = 0;
804 }
805 }
806
807 /*
808 * Modes. (ick)
809 */
810
811 /*
812 * NTSC Modes
813 */
814
815 #if defined (GRF_NTSC)
816
817 dmode_t *
818 cc_init_ntsc_hires()
819 {
820 /* this function should only be called once. */
821 if (!h_this) {
822 u_short len = std_copper_list_len;
823 cop_t *cp;
824
825 h_this = &hires_mode;
826 h_this_data = &hires_mode_data;
827 bzero(h_this, sizeof(dmode_t));
828 bzero(h_this_data, sizeof(dmdata_t));
829
830 h_this->name = "ntsc: hires";
831 h_this->nominal_size.width = 640;
832 h_this->nominal_size.height = 200;
833 h_this_data->max_size.width = 724;
834 h_this_data->max_size.height = 242;
835 h_this_data->min_size.width = 320;
836 h_this_data->min_size.height = 100;
837 h_this_data->min_depth = 1;
838 h_this_data->max_depth = 4;
839 h_this->data = h_this_data;
840
841 h_this->get_monitor = cc_get_monitor;
842 h_this->alloc_view = cc_alloc_view;
843 h_this->get_current_view = cc_get_current_view;
844
845 h_this_data->use_colormap = cc_use_colormap;
846 h_this_data->get_colormap = cc_get_colormap;
847 h_this_data->alloc_colormap = cc_alloc_colormap;
848 h_this_data->display_view = display_hires_view;
849 h_this_data->monitor = cc_monitor;
850
851 h_this_data->frames = hires_frames;
852 h_this_data->frames[F_LONG] = alloc_chipmem(std_copper_list_size * F_TOTAL);
853 if (!h_this_data->frames[F_LONG]) {
854 panic("couldn't get chipmem for copper list");
855 }
856 h_this_data->frames[F_STORE_LONG] = &h_this_data->frames[F_LONG][len];
857
858 bcopy(std_copper_list, h_this_data->frames[F_STORE_LONG], std_copper_list_size);
859 bcopy(std_copper_list, h_this_data->frames[F_LONG], std_copper_list_size);
860
861 h_this_data->bplcon0 = 0x8200 | USE_CON3; /* hires, color
862 * composite enable */
863 h_this_data->std_start_x = STANDARD_VIEW_X;
864 h_this_data->std_start_y = STANDARD_VIEW_Y;
865 h_this_data->vbl_handler = (vbl_handler_func *) cc_mode_vbl_handler;
866 #if defined (GRF_ECS)
867 h_this_data->beamcon0 = STANDARD_NTSC_BEAMCON;
868 #endif
869
870 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, h_this, link);
871 }
872 return (h_this);
873 }
874
875 void
876 display_hires_view(v)
877 view_t *v;
878 {
879 if (h_this_data->current_view != v) {
880 vdata_t *vd = VDATA(v);
881 monitor_t *monitor = h_this_data->monitor;
882 cop_t *cp = h_this_data->frames[F_STORE_LONG], *tmp;
883 int depth = v->bitmap->depth, i;
884 int hstart, hstop, vstart, vstop, j;
885 int x, y, w = v->display.width, h = v->display.height;
886 u_short ddfstart, ddfwidth, con1;
887
888 /* round down to nearest even width */
889 /* w &= 0xfffe; */
890 /* calculate datafetch width. */
891
892 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 2) << 2;
893
894 /* This will center the any overscanned display */
895 /* and allow user to modify. */
896 x = v->display.x + h_this_data->std_start_x - ((w - 640) >> 2);
897 y = v->display.y + h_this_data->std_start_y - ((h - 200) >> 1);
898
899 if (y & 1)
900 y--;
901
902 if (!(x & 1))
903 x--;
904
905 hstart = x;
906 hstop = x + (w >> 1);
907 vstart = y;
908 vstop = y + h;
909 ddfstart = (hstart - 9) >> 1;
910
911 /* check for hardware limits, AGA may allow more..? */
912 /* anyone got a 4000 I can borrow :^) -ch */
913 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
914 int d = 0;
915
916 /* XXX anyone know the equality properties of
917 * intermixed logial AND's */
918 /* XXX and arithmetic operators? */
919 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
920 d++;
921 }
922
923 ddfstart -= d;
924 hstart -= d << 1;
925 hstop -= d << 1;
926 }
927 /* correct the datafetch to proper limits. */
928 /* delay the actual display of the data until we need it. */
929 ddfstart &= 0xfffc;
930 con1 = ((hstart - 9) - (ddfstart << 1)) | (((hstart - 9) - (ddfstart << 1)) << 4);
931
932 if (h_this_data->current_view) {
933 VDATA(h_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer */
934 /* displayed. */
935 }
936 h_this_data->current_view = v;
937
938 cp = h_this_data->frames[F_STORE_LONG];
939 #if defined GRF_ECS
940 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON3));
941 tmp->cp.inst.operand = 0x0020;
942 #if defined GRF_AGA
943 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
944 tmp->cp.inst.operand = 0;
945 #endif
946 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
947 tmp->cp.inst.operand = h_this_data->beamcon0;
948 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
949 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
950 #endif /* ECS */
951 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
952 tmp->cp.inst.operand = h_this_data->bplcon0 | ((depth & 0x7) << 12);
953 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
954 tmp->cp.inst.operand = con1;
955 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
956 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
957 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
958 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
959 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
960 tmp->cp.inst.operand = ddfstart;
961 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
962 tmp->cp.inst.operand = ddfstart + ddfwidth;
963
964 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
965 for (i = 0, j = 0; i < depth; j += 2, i++) {
966 /* update the plane pointers */
967 tmp[j].cp.inst.operand = HIADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
968 tmp[j + 1].cp.inst.operand = LOADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
969 }
970
971 /* set mods correctly. */
972 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
973 tmp[0].cp.inst.operand = v->bitmap->row_mod;
974 tmp[1].cp.inst.operand = v->bitmap->row_mod;
975
976 /* set next pointers correctly */
977 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
978 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(h_this_data->frames[F_STORE_LONG]));
979 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(h_this_data->frames[F_STORE_LONG]));
980
981 cp = h_this_data->frames[F_LONG];
982 h_this_data->frames[F_LONG] = h_this_data->frames[F_STORE_LONG];
983 h_this_data->frames[F_STORE_LONG] = cp;
984
985 vd->flags |= VF_DISPLAY;
986
987 cc_use_colormap(v, vd->colormap);
988 }
989 cc_load_mode(h_this);
990 }
991
992 dmode_t *
993 cc_init_ntsc_hires_lace()
994 {
995 /* this function should only be called once. */
996 if (!hl_this) {
997 u_short len = std_copper_list_len;
998 cop_t *cp;
999
1000 hl_this = &hires_lace_mode;
1001 hl_this_data = &hires_lace_mode_data;
1002 bzero(hl_this, sizeof(dmode_t));
1003 bzero(hl_this_data, sizeof(dmdata_t));
1004
1005 hl_this->name = "ntsc: hires interlace";
1006 hl_this->nominal_size.width = 640;
1007 hl_this->nominal_size.height = 400;
1008 hl_this_data->max_size.width = 724;
1009 hl_this_data->max_size.height = 482;
1010 hl_this_data->min_size.width = 320;
1011 hl_this_data->min_size.height = 200;
1012 hl_this_data->min_depth = 1;
1013 hl_this_data->max_depth = 4;
1014 hl_this->data = hl_this_data;
1015
1016 hl_this->get_monitor = cc_get_monitor;
1017 hl_this->alloc_view = cc_alloc_view;
1018 hl_this->get_current_view = cc_get_current_view;
1019
1020 hl_this_data->use_colormap = cc_use_colormap;
1021 hl_this_data->get_colormap = cc_get_colormap;
1022 hl_this_data->alloc_colormap = cc_alloc_colormap;
1023 hl_this_data->display_view = display_hires_lace_view;
1024 hl_this_data->monitor = cc_monitor;
1025
1026 hl_this_data->flags |= DMF_INTERLACE;
1027
1028 hl_this_data->frames = hires_lace_frames;
1029 hl_this_data->frames[F_LACE_LONG] = alloc_chipmem(std_copper_list_size * F_LACE_TOTAL);
1030 if (!hl_this_data->frames[F_LACE_LONG]) {
1031 panic("couldn't get chipmem for copper list");
1032 }
1033 hl_this_data->frames[F_LACE_SHORT] = &hl_this_data->frames[F_LACE_LONG][len];
1034 hl_this_data->frames[F_LACE_STORE_LONG] = &hl_this_data->frames[F_LACE_SHORT][len];
1035 hl_this_data->frames[F_LACE_STORE_SHORT] = &hl_this_data->frames[F_LACE_STORE_LONG][len];
1036
1037 bcopy(std_copper_list, hl_this_data->frames[F_LACE_STORE_LONG], std_copper_list_size);
1038 bcopy(std_copper_list, hl_this_data->frames[F_LACE_STORE_SHORT], std_copper_list_size);
1039 bcopy(std_copper_list, hl_this_data->frames[F_LACE_LONG], std_copper_list_size);
1040 bcopy(std_copper_list, hl_this_data->frames[F_LACE_SHORT], std_copper_list_size);
1041
1042 hl_this_data->bplcon0 = 0x8204 | USE_CON3; /* hires, color
1043 * composite enable,
1044 * lace. */
1045 hl_this_data->std_start_x = STANDARD_VIEW_X;
1046 hl_this_data->std_start_y = STANDARD_VIEW_Y;
1047 hl_this_data->vbl_handler = (vbl_handler_func *) cc_lace_mode_vbl_handler;
1048 #if defined (GRF_ECS)
1049 hl_this_data->beamcon0 = STANDARD_NTSC_BEAMCON;
1050 #endif
1051
1052 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, hl_this, link);
1053 }
1054 return (hl_this);
1055 }
1056
1057 void
1058 display_hires_lace_view(v)
1059 view_t *v;
1060 {
1061 if (hl_this_data->current_view != v) {
1062 vdata_t *vd = VDATA(v);
1063 monitor_t *monitor = hl_this_data->monitor;
1064 cop_t *cp = hl_this_data->frames[F_LACE_STORE_LONG], *tmp;
1065 int depth = v->bitmap->depth, i;
1066 int hstart, hstop, vstart, vstop, j;
1067 int x, y, w = v->display.width, h = v->display.height;
1068 u_short ddfstart, ddfwidth, con1;
1069
1070 /* round down to nearest even width */
1071 /* w &= 0xfffe; */
1072
1073
1074 /* calculate datafetch width. */
1075
1076 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 2) << 2;
1077
1078 /* This will center the any overscanned display */
1079 /* and allow user to modify. */
1080 x = v->display.x + hl_this_data->std_start_x - ((w - 640) >> 2);
1081 y = v->display.y + hl_this_data->std_start_y - ((h - 400) >> 2);
1082
1083 if (y & 1)
1084 y--;
1085
1086 if (!(x & 1))
1087 x--;
1088
1089 hstart = x;
1090 hstop = x + (w >> 1);
1091 vstart = y;
1092 vstop = y + (h >> 1);
1093 ddfstart = (hstart - 9) >> 1;
1094
1095 /* check for hardware limits, AGA may allow more..? */
1096 /* anyone got a 4000 I can borrow :^) -ch */
1097 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
1098 int d = 0;
1099
1100 /* XXX anyone know the equality properties of
1101 * intermixed logial AND's */
1102 /* XXX and arithmetic operators? */
1103 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
1104 d++;
1105 }
1106
1107 ddfstart -= d;
1108 hstart -= d << 1;
1109 hstop -= d << 1;
1110 }
1111 /* correct the datafetch to proper limits. */
1112 /* delay the actual display of the data until we need it. */
1113 ddfstart &= 0xfffc;
1114 con1 = ((hstart - 9) - (ddfstart << 1)) | (((hstart - 9) - (ddfstart << 1)) << 4);
1115
1116 if (hl_this_data->current_view) {
1117 VDATA(hl_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer */
1118 /* displayed. */
1119 }
1120 hl_this_data->current_view = v;
1121
1122 cp = hl_this_data->frames[F_LACE_STORE_LONG];
1123 #if defined GRF_ECS
1124 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON3));
1125 tmp->cp.inst.operand = 0x0020;
1126 #if defined GRF_AGA
1127 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
1128 tmp->cp.inst.operand = 0;
1129 #endif
1130 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
1131 tmp->cp.inst.operand = hl_this_data->beamcon0;
1132 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
1133 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
1134 #endif /* ECS */
1135 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
1136 tmp->cp.inst.operand = hl_this_data->bplcon0 | ((depth & 0x7) << 12);
1137 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
1138 tmp->cp.inst.operand = con1;
1139 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
1140 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
1141 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
1142 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
1143 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
1144 tmp->cp.inst.operand = ddfstart;
1145 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
1146 tmp->cp.inst.operand = ddfstart + ddfwidth;
1147
1148 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
1149 for (i = 0, j = 0; i < depth; j += 2, i++) {
1150 /* update the plane pointers */
1151 tmp[j].cp.inst.operand = HIADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
1152 tmp[j + 1].cp.inst.operand = LOADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
1153 }
1154
1155 /* set mods correctly. */
1156 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
1157 tmp[0].cp.inst.operand = v->bitmap->bytes_per_row + v->bitmap->row_mod;
1158 tmp[1].cp.inst.operand = v->bitmap->bytes_per_row + v->bitmap->row_mod;
1159
1160 /* set next pointers correctly */
1161 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
1162 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(hl_this_data->frames[F_LACE_STORE_SHORT]));
1163 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(hl_this_data->frames[F_LACE_STORE_SHORT]));
1164
1165
1166 bcopy(hl_this_data->frames[F_LACE_STORE_LONG], hl_this_data->frames[F_LACE_STORE_SHORT], std_copper_list_size);
1167
1168 /* these are the only ones that are different from long frame. */
1169 cp = hl_this_data->frames[F_LACE_STORE_SHORT];
1170 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
1171 for (i = 0, j = 0; i < depth; j += 2, i++) {
1172 u_short mod = v->bitmap->bytes_per_row + v->bitmap->row_mod;
1173 /* update plane pointers. high and low. */
1174 tmp[j].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[i][mod]));
1175 tmp[j + 1].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[i][mod]));
1176 }
1177
1178 /* set next pointers correctly */
1179 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
1180 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(hl_this_data->frames[F_LACE_STORE_LONG]));
1181 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(hl_this_data->frames[F_LACE_STORE_LONG]));
1182
1183
1184 cp = hl_this_data->frames[F_LACE_LONG];
1185 hl_this_data->frames[F_LACE_LONG] = hl_this_data->frames[F_LACE_STORE_LONG];
1186 hl_this_data->frames[F_LACE_STORE_LONG] = cp;
1187
1188 cp = hl_this_data->frames[F_LACE_SHORT];
1189 hl_this_data->frames[F_LACE_SHORT] = hl_this_data->frames[F_LACE_STORE_SHORT];
1190 hl_this_data->frames[F_LACE_STORE_SHORT] = cp;
1191
1192 vd->flags |= VF_DISPLAY;
1193
1194 cc_use_colormap(v, vd->colormap);
1195 }
1196 cc_load_mode(hl_this);
1197 }
1198 #if defined (GRF_A2024)
1199
1200 dmode_t *
1201 cc_init_ntsc_hires_dlace()
1202 {
1203 /* this function should only be called once. */
1204 if (!hdl_this) {
1205 u_short len = std_dlace_copper_list_len;
1206 cop_t *cp;
1207
1208 hdl_this = &hires_dlace_mode;
1209 hdl_this_data = &hires_dlace_mode_data;
1210 bzero(hdl_this, sizeof(dmode_t));
1211 bzero(hdl_this_data, sizeof(dmdata_t));
1212
1213 hdl_this->name = "ntsc: hires double interlace";
1214 hdl_this->nominal_size.width = 640;
1215 hdl_this->nominal_size.height = 800;
1216 hdl_this_data->max_size.width = 724;
1217 hdl_this_data->max_size.height = 800;
1218 hdl_this_data->min_size.width = 320;
1219 hdl_this_data->min_size.height = 400;
1220 hdl_this_data->min_depth = 1;
1221 hdl_this_data->max_depth = 2;
1222 hdl_this->data = hdl_this_data;
1223
1224 hdl_this->get_monitor = cc_get_monitor;
1225 hdl_this->alloc_view = cc_alloc_view;
1226 hdl_this->get_current_view = cc_get_current_view;
1227
1228 hdl_this_data->use_colormap = cc_a2024_use_colormap;
1229 hdl_this_data->get_colormap = cc_a2024_get_colormap;
1230 hdl_this_data->alloc_colormap = cc_a2024_alloc_colormap;
1231 hdl_this_data->display_view = display_hires_dlace_view;
1232 hdl_this_data->monitor = cc_monitor;
1233
1234 hdl_this_data->flags |= DMF_INTERLACE;
1235
1236 hdl_this_data->frames = hires_dlace_frames;
1237 hdl_this_data->frames[F_LACE_LONG] = alloc_chipmem(std_dlace_copper_list_size * F_LACE_TOTAL);
1238 if (!hdl_this_data->frames[F_LACE_LONG]) {
1239 panic("couldn't get chipmem for copper list");
1240 }
1241 hdl_this_data->frames[F_LACE_SHORT] = &hdl_this_data->frames[F_LACE_LONG][len];
1242 hdl_this_data->frames[F_LACE_STORE_LONG] = &hdl_this_data->frames[F_LACE_SHORT][len];
1243 hdl_this_data->frames[F_LACE_STORE_SHORT] = &hdl_this_data->frames[F_LACE_STORE_LONG][len];
1244
1245 bcopy(std_dlace_copper_list, hdl_this_data->frames[F_LACE_STORE_LONG], std_dlace_copper_list_size);
1246 bcopy(std_dlace_copper_list, hdl_this_data->frames[F_LACE_STORE_SHORT], std_dlace_copper_list_size);
1247 bcopy(std_dlace_copper_list, hdl_this_data->frames[F_LACE_LONG], std_dlace_copper_list_size);
1248 bcopy(std_dlace_copper_list, hdl_this_data->frames[F_LACE_SHORT], std_dlace_copper_list_size);
1249
1250 hdl_this_data->bplcon0 = 0x8204 | USE_CON3; /* hires, color
1251 * composite enable,
1252 * dlace. */
1253 hdl_this_data->std_start_x = STANDARD_VIEW_X;
1254 hdl_this_data->std_start_y = STANDARD_VIEW_Y;
1255 hdl_this_data->vbl_handler = (vbl_handler_func *) cc_lace_mode_vbl_handler;
1256 #if defined (GRF_ECS)
1257 hdl_this_data->beamcon0 = STANDARD_NTSC_BEAMCON;
1258 #endif
1259 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, hdl_this, link);
1260 }
1261 return (hdl_this);
1262 }
1263
1264 void
1265 display_hires_dlace_view(v)
1266 view_t *v;
1267 {
1268 if (hdl_this_data->current_view != v) {
1269 vdata_t *vd = VDATA(v);
1270 monitor_t *monitor = hdl_this_data->monitor;
1271 cop_t *cp = hdl_this_data->frames[F_LACE_STORE_LONG], *tmp;
1272 int depth = v->bitmap->depth, i;
1273 int hstart, hstop, vstart, vstop, j;
1274 int x, y, w = v->display.width, h = v->display.height;
1275 u_short ddfstart, ddfwidth, con1;
1276 u_short mod1l, mod2l;
1277
1278 /* round down to nearest even width */
1279 /* w &= 0xfffe; */
1280
1281 /* calculate datafetch width. */
1282
1283 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 2) << 2;
1284
1285 /* This will center the any overscanned display */
1286 /* and allow user to modify. */
1287 x = v->display.x + hdl_this_data->std_start_x - ((w - 640) >> 2);
1288 y = v->display.y + hdl_this_data->std_start_y - ((h - 800) >> 3);
1289
1290 if (y & 1)
1291 y--;
1292
1293 if (!(x & 1))
1294 x--;
1295
1296 hstart = x;
1297 hstop = x + (w >> 1);
1298 vstart = y;
1299 vstop = y + (h >> 2);
1300
1301 ddfstart = (hstart - 9) >> 1;
1302
1303 /* check for hardware limits, AGA may allow more..? */
1304 /* anyone got a 4000 I can borrow :^) -ch */
1305 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
1306 int d = 0;
1307
1308 /* XXX anyone know the equality properties of
1309 * intermixed logial AND's */
1310 /* XXX and arithmetic operators? */
1311 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
1312 d++;
1313 }
1314
1315 ddfstart -= d;
1316 hstart -= d << 1;
1317 hstop -= d << 1;
1318 }
1319 /* correct the datafetch to proper limits. */
1320 /* delay the actual display of the data until we need it. */
1321 ddfstart &= 0xfffc;
1322 con1 = ((hstart - 9) - (ddfstart << 1)) | (((hstart - 9) - (ddfstart << 1)) << 4);
1323
1324 if (hdl_this_data->current_view) {
1325 VDATA(hdl_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer */
1326 /* displayed. */
1327 }
1328 hdl_this_data->current_view = v;
1329
1330 cp = hdl_this_data->frames[F_LACE_STORE_LONG];
1331 #if defined GRF_ECS
1332 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON3));
1333 tmp->cp.inst.operand = 0x0020;
1334 #if defined GRF_AGA
1335 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
1336 tmp->cp.inst.operand = 0;
1337 #endif
1338 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
1339 tmp->cp.inst.operand = hdl_this_data->beamcon0;
1340 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
1341 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
1342 #endif /* ECS */
1343 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
1344 tmp->cp.inst.operand = hdl_this_data->bplcon0 | ((depth & 0x7) << 13); /* times two. */
1345 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
1346 tmp->cp.inst.operand = con1;
1347 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
1348 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
1349 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
1350 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
1351 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
1352 tmp->cp.inst.operand = ddfstart;
1353 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
1354 tmp->cp.inst.operand = ddfstart + ddfwidth;
1355
1356 mod1l = v->bitmap->bytes_per_row + v->bitmap->row_mod;
1357 mod2l = mod1l << 1;
1358
1359 /* update plane pointers. */
1360 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
1361 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][0]));
1362 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][0]));
1363 tmp[2].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod1l]));
1364 tmp[3].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod1l]));
1365 if (depth == 2) {
1366 tmp[4].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][0]));
1367 tmp[5].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][0]));
1368 tmp[6].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod1l]));
1369 tmp[7].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod1l]));
1370 }
1371 /* set modulos. */
1372 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
1373 tmp[0].cp.inst.operand = mod2l + mod1l;
1374 tmp[1].cp.inst.operand = mod2l + mod1l;
1375
1376
1377 /* set next coper list pointers */
1378 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
1379 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(hdl_this_data->frames[F_LACE_STORE_SHORT]));
1380 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(hdl_this_data->frames[F_LACE_STORE_SHORT]));
1381
1382 bcopy(hdl_this_data->frames[F_LACE_STORE_LONG], hdl_this_data->frames[F_LACE_STORE_SHORT],
1383 std_dlace_copper_list_size);
1384
1385 /* these are the only ones that are different from long frame. */
1386 cp = hdl_this_data->frames[F_LACE_STORE_SHORT];
1387 /* update plane pointers. */
1388 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
1389 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l]));
1390 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l]));
1391 tmp[2].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l + mod1l]));
1392 tmp[3].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l + mod1l]));
1393 if (depth == 2) {
1394 tmp[4].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l]));
1395 tmp[5].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l]));
1396 tmp[6].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l + mod1l]));
1397 tmp[7].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l + mod1l]));
1398 }
1399 /* set next copper list pointers */
1400 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
1401 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(hdl_this_data->frames[F_LACE_STORE_LONG]));
1402 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(hdl_this_data->frames[F_LACE_STORE_LONG]));
1403
1404 cp = hdl_this_data->frames[F_LACE_LONG];
1405 hdl_this_data->frames[F_LACE_LONG] = hdl_this_data->frames[F_LACE_STORE_LONG];
1406 hdl_this_data->frames[F_LACE_STORE_LONG] = cp;
1407
1408 cp = hdl_this_data->frames[F_LACE_SHORT];
1409 hdl_this_data->frames[F_LACE_SHORT] = hdl_this_data->frames[F_LACE_STORE_SHORT];
1410 hdl_this_data->frames[F_LACE_STORE_SHORT] = cp;
1411
1412 vd->flags |= VF_DISPLAY;
1413 cc_a2024_use_colormap(v, vd->colormap);
1414 }
1415 cc_load_mode(hdl_this);
1416 }
1417
1418
1419 dmode_t *
1420 cc_init_ntsc_a2024()
1421 {
1422 /* this function should only be called once. */
1423 if (!a24_this) {
1424 int i;
1425 u_short len = std_a2024_copper_list_len;
1426 cop_t *cp;
1427
1428 a24_this = &a2024_mode;
1429 a24_this_data = &a2024_mode_data;
1430 bzero(a24_this, sizeof(dmode_t));
1431 bzero(a24_this_data, sizeof(dmdata_t));
1432
1433 a24_this->name = "ntsc: A2024 15khz";
1434 a24_this->nominal_size.width = 1024;
1435 a24_this->nominal_size.height = 800;
1436 a24_this_data->max_size.width = 1024;
1437 a24_this_data->max_size.height = 800;
1438 a24_this_data->min_size.width = 1024;
1439 a24_this_data->min_size.height = 800;
1440 a24_this_data->min_depth = 1;
1441 a24_this_data->max_depth = 2;
1442 a24_this->data = a24_this_data;
1443
1444 a24_this->get_monitor = cc_get_monitor;
1445 a24_this->alloc_view = cc_alloc_view;
1446 a24_this->get_current_view = cc_get_current_view;
1447
1448 a24_this_data->use_colormap = cc_a2024_use_colormap;
1449 a24_this_data->get_colormap = cc_a2024_get_colormap;
1450 a24_this_data->display_view = display_a2024_view;
1451 a24_this_data->alloc_colormap = cc_a2024_alloc_colormap;
1452 a24_this_data->monitor = cc_monitor;
1453
1454 a24_this_data->flags |= DMF_HEDLEY_EXP;
1455
1456 a24_this_data->frames = a2024_frames;
1457 a24_this_data->frames[F_QD_QUAD0] = alloc_chipmem(std_a2024_copper_list_size * F_QD_TOTAL);
1458 if (!a24_this_data->frames[F_QD_QUAD0]) {
1459 panic("couldn't get chipmem for copper list");
1460 }
1461 /* setup the hedley init bitplane. */
1462 hedley_init = alloc_chipmem(128);
1463 if (!hedley_init) {
1464 panic("couldn't get chipmem for hedley init bitplane");
1465 }
1466 for (i = 1; i < 128; i++)
1467 hedley_init[i] = 0xff;
1468 hedley_init[0] = 0x03;
1469
1470 /* copy image of standard copper list. */
1471 bcopy(std_a2024_copper_list, a24_this_data->frames[0], std_a2024_copper_list_size);
1472
1473 /* set the init plane pointer. */
1474 cp = find_copper_inst(a24_this_data->frames[F_QD_QUAD0], CI_MOVE(R_BPL0PTH));
1475 cp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(hedley_init));
1476 cp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(hedley_init));
1477
1478 for (i = 1; i < F_QD_TOTAL; i++) {
1479 a24_this_data->frames[i] = &a24_this_data->frames[i - 1][len];
1480 bcopy(a24_this_data->frames[0], a24_this_data->frames[i], std_a2024_copper_list_size);
1481 }
1482
1483 a24_this_data->bplcon0 = 0x8200; /* hires */
1484 a24_this_data->vbl_handler = (vbl_handler_func *) a2024_mode_vbl_handler;
1485
1486
1487 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, a24_this, link);
1488 }
1489 return (a24_this);
1490 }
1491
1492 void
1493 display_a2024_view(v)
1494 view_t *v;
1495 {
1496 if (a24_this_data->current_view != v) {
1497 vdata_t *vd = VDATA(v);
1498 monitor_t *monitor = a24_this_data->monitor;
1499 cop_t *cp, *tmp;
1500 u_char *inst_plane[2];
1501 u_char **plane = inst_plane;
1502 u_long full_line = v->bitmap->bytes_per_row + v->bitmap->row_mod;
1503 u_long half_plane = full_line * v->bitmap->rows / 2;
1504
1505 int line_mod = 0xbc; /* standard 2024 15khz mod. */
1506 int depth = v->bitmap->depth, i, j;
1507
1508 plane[0] = v->bitmap->plane[0];
1509 if (depth == 2) {
1510 plane[1] = v->bitmap->plane[1];
1511 }
1512 if (a24_this_data->current_view) {
1513 VDATA(a24_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer
1514 * displayed. */
1515 }
1516 cp = a24_this_data->frames[F_QD_STORE_QUAD0];
1517 tmp = find_copper_inst(cp, CI_MOVE(R_COLOR1F));
1518 tmp = find_copper_inst(tmp, CI_MOVE(R_BPLCON0)); /* grab third one. */
1519 tmp->cp.inst.operand = a24_this_data->bplcon0 | ((depth & 0x7) << 13); /* times 2 */
1520
1521 bcopy(a24_this_data->frames[F_QD_STORE_QUAD0], a24_this_data->frames[F_QD_STORE_QUAD1], std_a2024_copper_list_size);
1522 bcopy(a24_this_data->frames[F_QD_STORE_QUAD0], a24_this_data->frames[F_QD_STORE_QUAD2], std_a2024_copper_list_size);
1523 bcopy(a24_this_data->frames[F_QD_STORE_QUAD0], a24_this_data->frames[F_QD_STORE_QUAD3], std_a2024_copper_list_size);
1524
1525 /*
1526 * Mark Id's
1527 */
1528 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD1], CI_WAIT(126, 21));
1529 CBUMP(tmp);
1530 CMOVE(tmp, R_COLOR01, QUAD1_ID);
1531 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD2], CI_WAIT(126, 21));
1532 CBUMP(tmp);
1533 CMOVE(tmp, R_COLOR01, QUAD2_ID);
1534 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD3], CI_WAIT(126, 21));
1535 CBUMP(tmp);
1536 CMOVE(tmp, R_COLOR01, QUAD3_ID);
1537
1538 plane[0]--;
1539 plane[0]--;
1540 if (depth == 2) {
1541 plane[1]--;
1542 plane[1]--;
1543 }
1544 /*
1545 * Set bitplane pointers.
1546 */
1547 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD0], CI_MOVE(R_BPLMOD2));
1548 CBUMP(tmp);
1549 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][0])));
1550 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][0])));
1551 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][full_line])));
1552 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][full_line])));
1553 if (depth == 2) {
1554 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][0])));
1555 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][0])));
1556 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][full_line])));
1557 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][full_line])));
1558 }
1559 #if defined (GRF_ECS)
1560 CMOVE(tmp, R_DIWHIGH, 0x2000);
1561 #endif
1562 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD1])));
1563 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD1])));
1564 CEND(tmp);
1565 CEND(tmp);
1566
1567 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD1], CI_MOVE(R_BPLMOD2));
1568 CBUMP(tmp);
1569 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][HALF_2024_LINE])));
1570 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][HALF_2024_LINE])));
1571 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][full_line + HALF_2024_LINE])));
1572 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][full_line + HALF_2024_LINE])));
1573 if (depth == 2) {
1574 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][HALF_2024_LINE])));
1575 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][HALF_2024_LINE])));
1576 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][full_line + HALF_2024_LINE])));
1577 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][full_line + HALF_2024_LINE])));
1578 }
1579 #if defined (GRF_ECS)
1580 CMOVE(tmp, R_DIWHIGH, 0x2000);
1581 #endif
1582 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD2])));
1583 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD2])));
1584 CEND(tmp);
1585 CEND(tmp);
1586
1587 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD2], CI_MOVE(R_BPLMOD2));
1588 CBUMP(tmp);
1589 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][half_plane])));
1590 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][half_plane])));
1591 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line])));
1592 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line])));
1593 if (depth == 2) {
1594 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][half_plane])));
1595 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][half_plane])));
1596 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line])));
1597 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line])));
1598 }
1599 #if defined (GRF_ECS)
1600 CMOVE(tmp, R_DIWHIGH, 0x2000);
1601 #endif
1602 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD3])));
1603 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD3])));
1604 CEND(tmp);
1605 CEND(tmp);
1606
1607 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD3], CI_MOVE(R_BPLMOD2));
1608 CBUMP(tmp);
1609 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][half_plane + HALF_2024_LINE])));
1610 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][half_plane + HALF_2024_LINE])));
1611 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line + HALF_2024_LINE])));
1612 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line + HALF_2024_LINE])));
1613 if (depth == 2) {
1614 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][half_plane + HALF_2024_LINE])));
1615 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][half_plane + HALF_2024_LINE])));
1616 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line + HALF_2024_LINE])));
1617 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line + HALF_2024_LINE])));
1618 }
1619 #if defined (GRF_ECS)
1620 CMOVE(tmp, R_DIWHIGH, 0x2000);
1621 #endif
1622 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD0])));
1623 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD0])));
1624 CEND(tmp);
1625 CEND(tmp);
1626
1627 /* swap new pointers in. */
1628 for (i = F_QD_STORE_QUAD0, j = F_QD_QUAD0;
1629 i <= F_QD_STORE_QUAD3; i++, j++) {
1630 cp = a24_this_data->frames[j];
1631 a24_this_data->frames[j] = a24_this_data->frames[i];
1632 a24_this_data->frames[i] = cp;
1633 }
1634
1635 a24_this_data->current_view = v;
1636 vd->flags |= VF_DISPLAY;
1637
1638 cc_a2024_use_colormap(v, vd->colormap);
1639 }
1640 cc_load_mode(a24_this);
1641 }
1642
1643 void
1644 a2024_mode_vbl_handler(d)
1645 dmode_t *d;
1646 {
1647 u_short vp = ((custom.vposr & 0x0007) << 8) | ((custom.vhposr) >> 8);
1648
1649 if (vp < 12) {
1650 custom.cop1lc = PREP_DMA_MEM(a24_this_data->frames[a24_this_data->hedley_current]);
1651 custom.copjmp1 = 0;
1652 }
1653 a24_this_data->hedley_current++;
1654 a24_this_data->hedley_current &= 0x3; /* if 4 then 0. */
1655 }
1656 #endif /* GRF_A2024 */
1657
1658 #if defined (GRF_AGA)
1659
1660 dmode_t *
1661 cc_init_ntsc_aga()
1662 {
1663 /* this function should only be called once. */
1664 if (!aga_this && (custom.deniseid & 0xff) == 0xf8 &&
1665 aga_enable & AGA_ENABLE) {
1666 u_short len = aga_copper_list_len;
1667 cop_t *cp;
1668
1669 aga_this = &aga_mode;
1670 aga_this_data = &aga_mode_data;
1671 bzero(aga_this, sizeof(dmode_t));
1672 bzero(aga_this_data, sizeof(dmdata_t));
1673
1674 aga_this->name = "ntsc: AGA dbl";
1675 aga_this->nominal_size.width = 640;
1676 aga_this->nominal_size.height = 400;
1677 aga_this_data->max_size.width = 724;
1678 aga_this_data->max_size.height = 482;
1679 aga_this_data->min_size.width = 320;
1680 aga_this_data->min_size.height = 200;
1681 aga_this_data->min_depth = 1;
1682 aga_this_data->max_depth = 8;
1683 aga_this->data = aga_this_data;
1684
1685 aga_this->get_monitor = cc_get_monitor;
1686 aga_this->alloc_view = cc_alloc_view;
1687 aga_this->get_current_view = cc_get_current_view;
1688
1689 aga_this_data->use_colormap = cc_use_aga_colormap;
1690 aga_this_data->get_colormap = cc_get_colormap;
1691 aga_this_data->alloc_colormap = cc_alloc_aga_colormap;
1692 aga_this_data->display_view = display_aga_view;
1693 aga_this_data->monitor = cc_monitor;
1694
1695 aga_this_data->frames = aga_frames;
1696 aga_this_data->frames[F_LONG] = alloc_chipmem(aga_copper_list_size * F_TOTAL);
1697 if (!aga_this_data->frames[F_LONG]) {
1698 panic("couldn't get chipmem for copper list");
1699 }
1700 aga_this_data->frames[F_STORE_LONG] = &aga_this_data->frames[F_LONG][len];
1701
1702 bcopy(aga_copper_list, aga_this_data->frames[F_STORE_LONG], aga_copper_list_size);
1703 bcopy(aga_copper_list, aga_this_data->frames[F_LONG], aga_copper_list_size);
1704
1705 aga_this_data->bplcon0 = 0x0240 | USE_CON3; /* color composite
1706 * enable,
1707 * shres. */
1708 aga_this_data->std_start_x = 0x4f /*STANDARD_VIEW_X*/;
1709 aga_this_data->std_start_y = 0x2b /*STANDARD_VIEW_Y*/;
1710 aga_this_data->vbl_handler = (vbl_handler_func *) cc_mode_vbl_handler;
1711 aga_this_data->beamcon0 = SPECIAL_BEAMCON ^ VSYNCTRUE;
1712
1713 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes,
1714 aga_this, link);
1715 }
1716 return (aga_this);
1717 }
1718
1719 /* static, so I can patch and play */
1720
1721 int AGA_htotal = 0x79;
1722 int AGA_hsstrt = 0xe;
1723 int AGA_hsstop = 0x1c;
1724 int AGA_hbstrt = 0x8;
1725 int AGA_hbstop = 0x1e;
1726 int AGA_vtotal = 0x1ec;
1727 int AGA_vsstrt = 0x3;
1728 int AGA_vsstop = 0x6;
1729 int AGA_vbstrt = 0x0;
1730 int AGA_vbstop = 0x19;
1731 int AGA_hcenter = 0x4a;
1732
1733 void
1734 display_aga_view(v)
1735 view_t *v;
1736 {
1737 if (aga_this_data->current_view != v) {
1738 vdata_t *vd = VDATA(v);
1739 monitor_t *monitor = aga_this_data->monitor;
1740 cop_t *cp = aga_this_data->frames[F_STORE_LONG], *tmp;
1741 int depth = v->bitmap->depth, i;
1742 int hstart, hstop, vstart, vstop, j;
1743 int x, y, w = v->display.width, h = v->display.height;
1744 u_short ddfstart, ddfwidth, con1;
1745
1746 #ifdef DEBUG
1747 if (aga_enable & AGA_TRACE)
1748 printf("display_aga_view(%dx%dx%d) %x\n", w, h,
1749 depth, v);
1750 #endif
1751 /* round down to nearest even width */
1752 /* w &= 0xfffe; */
1753 /* calculate datafetch width. */
1754
1755 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 4) << 1;
1756
1757 /* this will center the any overscanned display */
1758 /* and allow user to modify. */
1759 x = v->display.x + aga_this_data->std_start_x - ((w - 640) >> 3);
1760 y = v->display.y + aga_this_data->std_start_y - ((h - 400) >> 1);
1761
1762 if (y & 1)
1763 y--;
1764
1765 if (!(x & 1))
1766 x--;
1767
1768 hstart = x;
1769 hstop = x + (w >> 2);
1770 vstart = y;
1771 vstop = y + (h >> 0);
1772 ddfstart = (hstart >> 1) - 8;
1773
1774 #ifdef DEBUG
1775 if (aga_enable & AGA_TRACE2) {
1776 printf (" ddfwidth %04x x %04x y %04x", ddfwidth,
1777 x, y);
1778 printf (" hstart %04x hstop %04x vstart %04x vstop %04x ddfstart %04x\n",
1779 hstart, hstop, vstart, vstop, ddfstart);
1780 }
1781 #endif
1782 /* check for hardware limits, AGA may allow more..? */
1783 /* anyone got a 4000 I can borrow :^) -ch */
1784 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
1785 int d = 0;
1786
1787 /* XXX anyone know the equality properties of
1788 * intermixed logial AND's */
1789 /* XXX and arithmetic operators? */
1790 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
1791 d++;
1792 }
1793
1794 ddfstart -= d;
1795 hstart -= d << 1;
1796 hstop -= d << 1;
1797 }
1798 /* correct the datafetch to proper limits. */
1799 /* delay the actual display of the data until we need it. */
1800 ddfstart &= 0xfffc;
1801 #ifdef DEBUG
1802 if (aga_enable & AGA_TRACE2) {
1803 printf (" ddfwidth %04x x %04x y %04x", ddfwidth,
1804 x, y);
1805 printf (" hstart %04x hstop %04x vstart %04x vstop %04x ddfstart %04x\n",
1806 hstart, hstop, vstart, vstop, ddfstart);
1807 }
1808 #endif
1809 con1 = ((hstart - 9) - (ddfstart << 1)) | (((hstart - 9) - (ddfstart << 1)) << 4);
1810
1811 if (aga_this_data->current_view) {
1812 VDATA(aga_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer */
1813 /* displayed. */
1814 }
1815 aga_this_data->current_view = v;
1816
1817 cp = aga_this_data->frames[F_STORE_LONG];
1818 tmp = cp;
1819 for (i = 0; i < 8; ++i) {
1820 if (tmp == NULL)
1821 break;
1822 tmp = find_copper_inst(tmp + 1, CI_MOVE(R_BPLCON3));
1823 if (tmp == NULL)
1824 break;
1825 tmp->cp.inst.operand = 0x0ca1 | (i << 13);
1826 tmp = find_copper_inst(tmp + 1, CI_MOVE(R_BPLCON3));
1827 if (tmp == NULL)
1828 break;
1829 tmp->cp.inst.operand = 0x0ea1 | (i << 13);
1830 }
1831 if (tmp)
1832 tmp = find_copper_inst(tmp + 1, CI_MOVE(R_BPLCON3));
1833 if (tmp)
1834 tmp->cp.inst.operand = 0x0ca1;
1835 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
1836 tmp->cp.inst.operand = 0x8003;
1837 tmp = find_copper_inst(cp, CI_MOVE(R_HTOTAL));
1838 tmp->cp.inst.operand = AGA_htotal; /* 81/71/73/79? */
1839 tmp = find_copper_inst(cp, CI_MOVE(R_HBSTRT));
1840 tmp->cp.inst.operand = AGA_hbstrt; /* 0x0008 */
1841 tmp = find_copper_inst(cp, CI_MOVE(R_HSSTRT));
1842 tmp->cp.inst.operand = AGA_hsstrt; /* 0x000e */
1843 tmp = find_copper_inst(cp, CI_MOVE(R_HSSTOP));
1844 tmp->cp.inst.operand = AGA_hsstop; /* 0x001c */
1845 tmp = find_copper_inst(cp, CI_MOVE(R_HBSTOP));
1846 tmp->cp.inst.operand = AGA_hsstop; /* 0x001e */
1847 tmp = find_copper_inst(cp, CI_MOVE(R_HCENTER));
1848 tmp->cp.inst.operand = AGA_hcenter; /*AGA_htotal / 2 + AGA_hsstrt */
1849 tmp = find_copper_inst(cp, CI_MOVE(R_VBSTRT));
1850 tmp->cp.inst.operand = AGA_vbstrt; /* 0x0000 */
1851 tmp = find_copper_inst(cp, CI_MOVE(R_VSSTRT));
1852 tmp->cp.inst.operand = AGA_vsstrt; /* 0x016b / AGA_htotal */
1853 tmp = find_copper_inst(cp, CI_MOVE(R_VSSTOP));
1854 tmp->cp.inst.operand = AGA_vsstop; /* 0x02d6 / AGA_htotal */
1855 tmp = find_copper_inst(cp, CI_MOVE(R_VBSTOP));
1856 tmp->cp.inst.operand = AGA_vbstop; /* 0x0bd1 / AGA_htotal */
1857 tmp = find_copper_inst(cp, CI_MOVE(R_VTOTAL));
1858 tmp->cp.inst.operand = AGA_vtotal;
1859 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
1860 tmp->cp.inst.operand = aga_this_data->beamcon0;
1861 #ifdef DEBUG
1862 if (aga_enable & AGA_TRACE2)
1863 printf(" beamcon0 %04x", tmp->cp.inst.operand);
1864 #endif
1865 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
1866 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
1867 #ifdef DEBUG
1868 if (aga_enable & AGA_TRACE2)
1869 printf(" diwhigh %04x>", tmp->cp.inst.operand);
1870 #endif
1871 #if 0
1872 tmp->cp.inst.operand = (vstop & 0x0700) | ((hstop & 0x0100) << 5);
1873 #endif
1874 #ifdef DEBUG
1875 if (aga_enable & AGA_TRACE2)
1876 printf("%04x", tmp->cp.inst.operand);
1877 #endif
1878 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
1879 tmp->cp.inst.operand = aga_this_data->bplcon0 |
1880 ((depth & 0x7) << 12) | ((depth & 0x8) << 1);
1881 #ifdef DEBUG
1882 if (aga_enable & AGA_TRACE2)
1883 printf(" bplcon0 %04x", tmp->cp.inst.operand);
1884 #endif
1885 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
1886 tmp->cp.inst.operand = con1;
1887 #ifdef DEBUG
1888 if (aga_enable & AGA_TRACE2)
1889 printf(" bplcon1 %04x>0000\n", con1);
1890 #endif
1891 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
1892 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
1893 #ifdef DEBUG
1894 if (aga_enable & AGA_TRACE2)
1895 printf(" diwstart %04x", tmp->cp.inst.operand);
1896 #endif
1897 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
1898 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
1899 #ifdef DEBUG
1900 if (aga_enable & AGA_TRACE2)
1901 printf(" diwstop %04x", tmp->cp.inst.operand);
1902 #endif
1903 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
1904 tmp->cp.inst.operand = ddfstart;
1905 #ifdef DEBUG
1906 if (aga_enable & AGA_TRACE2)
1907 printf(" ddfstart %04x", tmp->cp.inst.operand);
1908 #endif
1909 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
1910 tmp->cp.inst.operand = ddfstart + ddfwidth;
1911 #ifdef DEBUG
1912 if (aga_enable & AGA_TRACE2)
1913 printf(" ddfstop %04x", tmp->cp.inst.operand);
1914 #endif
1915
1916 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
1917 for (i = 0, j = 0; i < depth; j += 2, i++) {
1918 /* update the plane pointers */
1919 tmp[j].cp.inst.operand = HIADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
1920 tmp[j + 1].cp.inst.operand = LOADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
1921 #ifdef DEBUG
1922 if (aga_enable & AGA_TRACE2)
1923 printf (" bpl%dpth %08x", i, v->bitmap->plane[i]);
1924 #endif
1925 }
1926
1927 /* set mods correctly. */
1928 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
1929 tmp[0].cp.inst.operand = v->bitmap->row_mod;
1930 tmp[1].cp.inst.operand = v->bitmap->row_mod;
1931 #ifdef DEBUG
1932 if (aga_enable & AGA_TRACE2)
1933 printf(" bplxmod %04x\n", v->bitmap->row_mod);
1934 #endif
1935
1936 /* set next pointers correctly */
1937 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
1938 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(aga_this_data->frames[F_STORE_LONG]));
1939 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(aga_this_data->frames[F_STORE_LONG]));
1940
1941 cp = aga_this_data->frames[F_LONG];
1942 aga_this_data->frames[F_LONG] = aga_this_data->frames[F_STORE_LONG];
1943 aga_this_data->frames[F_STORE_LONG] = cp;
1944
1945 vd->flags |= VF_DISPLAY;
1946
1947 cc_use_aga_colormap(v, vd->colormap);
1948 }
1949 cc_load_mode(aga_this);
1950 #ifdef DEBUG
1951 if (aga_enable & AGA_TRACE)
1952 aga_enable |= AGA_TRACE2; /* XXXX */
1953 #endif
1954 }
1955
1956 #endif /* GRF_AGA */
1957 #endif /* GRF_NTSC */
1958
1959 /*
1960 * PAL modes.
1961 */
1962
1963 #if defined (GRF_PAL)
1964
1965 dmode_t *
1966 cc_init_pal_hires()
1967 {
1968 /* this function should only be called once. */
1969 if (!ph_this) {
1970 u_short len = std_copper_list_len;
1971 cop_t *cp;
1972
1973 ph_this = &pal_hires_mode;
1974 ph_this_data = &pal_hires_mode_data;
1975 bzero(ph_this, sizeof(dmode_t));
1976 bzero(ph_this_data, sizeof(dmdata_t));
1977
1978 ph_this->name = "pal: pal_hires interlace";
1979 ph_this->nominal_size.width = 640;
1980 ph_this->nominal_size.height = 256;
1981 ph_this_data->max_size.width = 724;
1982 ph_this_data->max_size.height = 289;
1983 ph_this_data->min_size.width = 320;
1984 ph_this_data->min_size.height = 244;
1985 ph_this_data->min_depth = 1;
1986 ph_this_data->max_depth = 4;
1987 ph_this->data = ph_this_data;
1988
1989 ph_this->get_monitor = cc_get_monitor;
1990 ph_this->alloc_view = cc_alloc_view;
1991 ph_this->get_current_view = cc_get_current_view;
1992
1993 ph_this_data->use_colormap = cc_use_colormap;
1994 ph_this_data->get_colormap = cc_get_colormap;
1995 ph_this_data->alloc_colormap = cc_alloc_colormap;
1996 ph_this_data->display_view = display_pal_hires_view;
1997 ph_this_data->monitor = cc_monitor;
1998
1999 ph_this_data->frames = pal_hires_frames;
2000 ph_this_data->frames[F_LONG] = alloc_chipmem(std_copper_list_size * F_TOTAL);
2001 if (!ph_this_data->frames[F_LONG]) {
2002 panic("couldn't get chipmem for copper list");
2003 }
2004 ph_this_data->frames[F_STORE_LONG] = &ph_this_data->frames[F_LONG][len];
2005
2006 bcopy(std_copper_list, ph_this_data->frames[F_STORE_LONG], std_copper_list_size);
2007 bcopy(std_copper_list, ph_this_data->frames[F_LONG], std_copper_list_size);
2008
2009 ph_this_data->bplcon0 = 0x8200 | USE_CON3; /* pal_hires, color
2010 * composite enable,
2011 * lace. */
2012 ph_this_data->std_start_x = STANDARD_VIEW_X;
2013 ph_this_data->std_start_y = STANDARD_VIEW_Y;
2014 ph_this_data->vbl_handler = (vbl_handler_func *) cc_mode_vbl_handler;
2015 #if defined (GRF_ECS)
2016 ph_this_data->beamcon0 = STANDARD_PAL_BEAMCON;
2017 #endif
2018
2019 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, ph_this, link);
2020 }
2021 return (ph_this);
2022 }
2023
2024 void
2025 display_pal_hires_view(v)
2026 view_t *v;
2027 {
2028 if (ph_this_data->current_view != v) {
2029 vdata_t *vd = VDATA(v);
2030 monitor_t *monitor = ph_this_data->monitor;
2031 cop_t *cp = ph_this_data->frames[F_STORE_LONG], *tmp;
2032 int depth = v->bitmap->depth, i;
2033 int hstart, hstop, vstart, vstop, j;
2034 int x, y, w = v->display.width, h = v->display.height;
2035 u_short ddfstart, ddfwidth, con1;
2036
2037 /* round down to nearest even width */
2038 /* w &= 0xfffe; */
2039
2040 /* calculate datafetch width. */
2041 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 2) << 2;
2042
2043 /* This will center the any overscanned display */
2044 /* and allow user to modify. */
2045 x = v->display.x + ph_this_data->std_start_x - ((w - 640) >> 2);
2046 y = v->display.y + ph_this_data->std_start_y - ((h - 256) >> 1);
2047
2048 if (y & 1)
2049 y--;
2050
2051 if (!(x & 1))
2052 x--;
2053
2054 hstart = x;
2055 hstop = x + (w >> 1);
2056 vstart = y;
2057 vstop = y + h;
2058 ddfstart = (hstart - 9) >> 1;
2059 /* check for hardware limits, AGA may allow more..? */
2060 /* anyone got a 4000 I can borrow :^) -ch */
2061 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
2062 int d = 0;
2063
2064 /* XXX anyone know the equality properties of
2065 * intermixed logial AND's */
2066 /* XXX and arithmetic operators? */
2067 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
2068 d++;
2069 }
2070
2071 ddfstart -= d;
2072 hstart -= d << 1;
2073 hstop -= d << 1;
2074 }
2075 /* correct the datafetch to proper limits. */
2076 /* delay the actual display of the data until we need it. */
2077 ddfstart &= 0xfffc;
2078 con1 = ((hstart - 9) - (ddfstart << 1)) | (((hstart - 9) - (ddfstart << 1)) << 4);
2079
2080 if (ph_this_data->current_view) {
2081 VDATA(ph_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer */
2082 /* displayed. */
2083 }
2084 ph_this_data->current_view = v;
2085
2086 cp = ph_this_data->frames[F_STORE_LONG];
2087 #if defined GRF_ECS
2088 #if defined GRF_AGA
2089 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
2090 tmp->cp.inst.operand = 0;
2091 #endif
2092 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
2093 tmp->cp.inst.operand = ph_this_data->beamcon0;
2094 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
2095 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
2096 #endif /* ECS */
2097 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
2098 tmp->cp.inst.operand = ph_this_data->bplcon0 | ((depth & 0x7) << 12);
2099 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
2100 tmp->cp.inst.operand = con1;
2101 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
2102 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
2103 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
2104 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
2105 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
2106 tmp->cp.inst.operand = ddfstart;
2107 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
2108 tmp->cp.inst.operand = ddfstart + ddfwidth;
2109
2110 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2111 for (i = 0, j = 0; i < depth; j += 2, i++) {
2112 /* update the plane pointers */
2113 tmp[j].cp.inst.operand = HIADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
2114 tmp[j + 1].cp.inst.operand = LOADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
2115 }
2116
2117 /* set mods correctly. */
2118 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
2119 tmp[0].cp.inst.operand = v->bitmap->row_mod;
2120 tmp[1].cp.inst.operand = v->bitmap->row_mod;
2121
2122 /* set next pointers correctly */
2123 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2124 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(ph_this_data->frames[F_STORE_LONG]));
2125 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(ph_this_data->frames[F_STORE_LONG]));
2126
2127 cp = ph_this_data->frames[F_LONG];
2128 ph_this_data->frames[F_LONG] = ph_this_data->frames[F_STORE_LONG];
2129 ph_this_data->frames[F_STORE_LONG] = cp;
2130
2131 vd->flags |= VF_DISPLAY;
2132 cc_use_colormap(v, vd->colormap);
2133 }
2134 cc_load_mode(ph_this);
2135 }
2136
2137 dmode_t *
2138 cc_init_pal_hires_lace()
2139 {
2140 /* this function should only be called once. */
2141 if (!phl_this) {
2142 u_short len = std_copper_list_len;
2143 cop_t *cp;
2144
2145 phl_this = &pal_hires_lace_mode;
2146 phl_this_data = &pal_hires_lace_mode_data;
2147 bzero(phl_this, sizeof(dmode_t));
2148 bzero(phl_this_data, sizeof(dmdata_t));
2149
2150 phl_this->name = "pal: hires interlace";
2151 phl_this->nominal_size.width = 640;
2152 phl_this->nominal_size.height = 512;
2153 phl_this_data->max_size.width = 724;
2154 phl_this_data->max_size.height = 578;
2155 phl_this_data->min_size.width = 320;
2156 phl_this_data->min_size.height = 484;
2157 phl_this_data->min_depth = 1;
2158 phl_this_data->max_depth = 4;
2159 phl_this->data = phl_this_data;
2160
2161 phl_this->get_monitor = cc_get_monitor;
2162 phl_this->alloc_view = cc_alloc_view;
2163 phl_this->get_current_view = cc_get_current_view;
2164
2165 phl_this_data->use_colormap = cc_use_colormap;
2166 phl_this_data->get_colormap = cc_get_colormap;
2167 phl_this_data->alloc_colormap = cc_alloc_colormap;
2168 phl_this_data->display_view = display_pal_hires_lace_view;
2169 phl_this_data->monitor = cc_monitor;
2170
2171 phl_this_data->flags |= DMF_INTERLACE;
2172
2173 phl_this_data->frames = pal_hires_lace_frames;
2174 phl_this_data->frames[F_LACE_LONG] = alloc_chipmem(std_copper_list_size * F_LACE_TOTAL);
2175 if (!phl_this_data->frames[F_LACE_LONG]) {
2176 panic("couldn't get chipmem for copper list");
2177 }
2178 phl_this_data->frames[F_LACE_SHORT] = &phl_this_data->frames[F_LACE_LONG][len];
2179 phl_this_data->frames[F_LACE_STORE_LONG] = &phl_this_data->frames[F_LACE_SHORT][len];
2180 phl_this_data->frames[F_LACE_STORE_SHORT] = &phl_this_data->frames[F_LACE_STORE_LONG][len];
2181
2182 bcopy(std_copper_list, phl_this_data->frames[F_LACE_STORE_LONG], std_copper_list_size);
2183 bcopy(std_copper_list, phl_this_data->frames[F_LACE_STORE_SHORT], std_copper_list_size);
2184 bcopy(std_copper_list, phl_this_data->frames[F_LACE_LONG], std_copper_list_size);
2185 bcopy(std_copper_list, phl_this_data->frames[F_LACE_SHORT], std_copper_list_size);
2186
2187 phl_this_data->bplcon0 = 0x8204 | USE_CON3; /* hires, color
2188 * composite enable,
2189 * lace. */
2190 phl_this_data->std_start_x = STANDARD_VIEW_X;
2191 phl_this_data->std_start_y = STANDARD_VIEW_Y;
2192 phl_this_data->vbl_handler = (vbl_handler_func *) cc_lace_mode_vbl_handler;
2193 #if defined (GRF_ECS)
2194 phl_this_data->beamcon0 = STANDARD_PAL_BEAMCON;
2195 #endif
2196
2197 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, phl_this, link);
2198 }
2199 return (phl_this);
2200 }
2201
2202 void
2203 display_pal_hires_lace_view(v)
2204 view_t *v;
2205 {
2206 if (phl_this_data->current_view != v) {
2207 vdata_t *vd = VDATA(v);
2208 monitor_t *monitor = phl_this_data->monitor;
2209 cop_t *cp = phl_this_data->frames[F_LACE_STORE_LONG], *tmp;
2210 int depth = v->bitmap->depth, i;
2211 int hstart, hstop, vstart, vstop, j;
2212 int x, y, w = v->display.width, h = v->display.height;
2213 u_short ddfstart, ddfwidth, con1;
2214
2215 /* round down to nearest even width */
2216 /* w &= 0xfffe; */
2217
2218 /* calculate datafetch width. */
2219 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 2) << 2;
2220
2221 /* This will center the any overscanned display */
2222 /* and allow user to modify. */
2223 x = v->display.x + phl_this_data->std_start_x - ((w - 640) >> 2);
2224 y = v->display.y + phl_this_data->std_start_y - ((h - 512) >> 2);
2225
2226 if (y & 1)
2227 y--;
2228
2229 if (!(x & 1))
2230 x--;
2231
2232 hstart = x;
2233 hstop = x + (w >> 1);
2234 vstart = y;
2235 vstop = y + (h >> 1);
2236 ddfstart = (hstart - 9) >> 1;
2237
2238 /* check for hardware limits, AGA may allow more..? */
2239 /* anyone got a 4000 I can borrow :^) -ch */
2240 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
2241 int d = 0;
2242
2243 /* XXX anyone know the equality properties of
2244 * intermixed logial AND's */
2245 /* XXX and arithmetic operators? */
2246 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
2247 d++;
2248 }
2249
2250 ddfstart -= d;
2251 hstart -= d << 1;
2252 hstop -= d << 1;
2253 }
2254 /* correct the datafetch to proper limits. */
2255 /* delay the actual display of the data until we need it. */
2256 ddfstart &= 0xfffc;
2257 con1 = ((hstart - 9) - (ddfstart << 1)) | (((hstart - 9) - (ddfstart << 1)) << 4);
2258
2259 if (phl_this_data->current_view) {
2260 VDATA(phl_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer */
2261 /* displayed. */
2262 }
2263 phl_this_data->current_view = v;
2264
2265 cp = phl_this_data->frames[F_LACE_STORE_LONG];
2266 #if defined GRF_ECS
2267 #if defined GRF_AGA
2268 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
2269 tmp->cp.inst.operand = 0;
2270 #endif
2271 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
2272 tmp->cp.inst.operand = phl_this_data->beamcon0;
2273 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
2274 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
2275 #endif /* ECS */
2276 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
2277 tmp->cp.inst.operand = phl_this_data->bplcon0 | ((depth & 0x7) << 12);
2278 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
2279 tmp->cp.inst.operand = con1;
2280 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
2281 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
2282 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
2283 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
2284 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
2285 tmp->cp.inst.operand = ddfstart;
2286 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
2287 tmp->cp.inst.operand = ddfstart + ddfwidth;
2288
2289 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2290 for (i = 0, j = 0; i < depth; j += 2, i++) {
2291 /* update the plane pointers */
2292 tmp[j].cp.inst.operand = HIADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
2293 tmp[j + 1].cp.inst.operand = LOADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
2294 }
2295
2296 /* set mods correctly. */
2297 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
2298 tmp[0].cp.inst.operand = v->bitmap->bytes_per_row + v->bitmap->row_mod;
2299 tmp[1].cp.inst.operand = v->bitmap->bytes_per_row + v->bitmap->row_mod;
2300
2301 /* set next pointers correctly */
2302 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2303 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(phl_this_data->frames[F_LACE_STORE_SHORT]));
2304 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(phl_this_data->frames[F_LACE_STORE_SHORT]));
2305
2306
2307 bcopy(phl_this_data->frames[F_LACE_STORE_LONG], phl_this_data->frames[F_LACE_STORE_SHORT], std_copper_list_size);
2308
2309 /* these are the only ones that are different from long frame. */
2310 cp = phl_this_data->frames[F_LACE_STORE_SHORT];
2311 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2312 for (i = 0, j = 0; i < depth; j += 2, i++) {
2313 u_short mod = v->bitmap->bytes_per_row + v->bitmap->row_mod;
2314 /* update plane pointers. high and low. */
2315 tmp[j].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[i][mod]));
2316 tmp[j + 1].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[i][mod]));
2317 }
2318
2319 /* set next pointers correctly */
2320 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2321 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(phl_this_data->frames[F_LACE_STORE_LONG]));
2322 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(phl_this_data->frames[F_LACE_STORE_LONG]));
2323
2324
2325 cp = phl_this_data->frames[F_LACE_LONG];
2326 phl_this_data->frames[F_LACE_LONG] = phl_this_data->frames[F_LACE_STORE_LONG];
2327 phl_this_data->frames[F_LACE_STORE_LONG] = cp;
2328
2329 cp = phl_this_data->frames[F_LACE_SHORT];
2330 phl_this_data->frames[F_LACE_SHORT] = phl_this_data->frames[F_LACE_STORE_SHORT];
2331 phl_this_data->frames[F_LACE_STORE_SHORT] = cp;
2332
2333 vd->flags |= VF_DISPLAY;
2334 cc_use_colormap(v, vd->colormap);
2335 }
2336 cc_load_mode(phl_this);
2337 }
2338 #if defined (GRF_A2024)
2339
2340 dmode_t *
2341 cc_init_pal_hires_dlace()
2342 {
2343 /* this function should only be called once. */
2344 if (!phdl_this) {
2345 u_short len = std_dlace_copper_list_len;
2346 cop_t *cp;
2347
2348 phdl_this = &pal_hires_dlace_mode;
2349 phdl_this_data = &pal_hires_dlace_mode_data;
2350 bzero(phdl_this, sizeof(dmode_t));
2351 bzero(phdl_this_data, sizeof(dmdata_t));
2352
2353 phdl_this->name = "pal: hires double interlace";
2354 phdl_this->nominal_size.width = 640;
2355 phdl_this->nominal_size.height = 1024;
2356 phdl_this_data->max_size.width = 724;
2357 phdl_this_data->max_size.height = 1024;
2358 phdl_this_data->min_size.width = 320;
2359 phdl_this_data->min_size.height = 512;
2360 phdl_this_data->min_depth = 1;
2361 phdl_this_data->max_depth = 2;
2362 phdl_this->data = phdl_this_data;
2363
2364 phdl_this->get_monitor = cc_get_monitor;
2365 phdl_this->alloc_view = cc_alloc_view;
2366 phdl_this->get_current_view = cc_get_current_view;
2367
2368 phdl_this_data->use_colormap = cc_a2024_use_colormap;
2369 phdl_this_data->get_colormap = cc_a2024_get_colormap;
2370 phdl_this_data->alloc_colormap = cc_a2024_alloc_colormap;
2371 phdl_this_data->display_view = display_pal_hires_dlace_view;
2372 phdl_this_data->monitor = cc_monitor;
2373
2374 phdl_this_data->flags |= DMF_INTERLACE;
2375
2376 phdl_this_data->frames = pal_hires_dlace_frames;
2377 phdl_this_data->frames[F_LACE_LONG] = alloc_chipmem(std_dlace_copper_list_size * F_LACE_TOTAL);
2378 if (!phdl_this_data->frames[F_LACE_LONG]) {
2379 panic("couldn't get chipmem for copper list");
2380 }
2381 phdl_this_data->frames[F_LACE_SHORT] = &phdl_this_data->frames[F_LACE_LONG][len];
2382 phdl_this_data->frames[F_LACE_STORE_LONG] = &phdl_this_data->frames[F_LACE_SHORT][len];
2383 phdl_this_data->frames[F_LACE_STORE_SHORT] = &phdl_this_data->frames[F_LACE_STORE_LONG][len];
2384
2385 bcopy(std_dlace_copper_list, phdl_this_data->frames[F_LACE_STORE_LONG], std_dlace_copper_list_size);
2386 bcopy(std_dlace_copper_list, phdl_this_data->frames[F_LACE_STORE_SHORT], std_dlace_copper_list_size);
2387 bcopy(std_dlace_copper_list, phdl_this_data->frames[F_LACE_LONG], std_dlace_copper_list_size);
2388 bcopy(std_dlace_copper_list, phdl_this_data->frames[F_LACE_SHORT], std_dlace_copper_list_size);
2389
2390 phdl_this_data->bplcon0 = 0x8204 | USE_CON3; /* hires, color
2391 * composite enable,
2392 * dlace. */
2393 phdl_this_data->std_start_x = STANDARD_VIEW_X;
2394 phdl_this_data->std_start_y = STANDARD_VIEW_Y;
2395 phdl_this_data->vbl_handler = (vbl_handler_func *) cc_lace_mode_vbl_handler;
2396 #if defined (GRF_ECS)
2397 phdl_this_data->beamcon0 = STANDARD_PAL_BEAMCON;
2398 #endif
2399
2400 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, phdl_this, link);
2401 }
2402 return (phdl_this);
2403 }
2404
2405 void
2406 display_pal_hires_dlace_view(v)
2407 view_t *v;
2408 {
2409 if (phdl_this_data->current_view != v) {
2410 vdata_t *vd = VDATA(v);
2411 monitor_t *monitor = phdl_this_data->monitor;
2412 cop_t *cp = phdl_this_data->frames[F_LACE_STORE_LONG], *tmp;
2413 int depth = v->bitmap->depth, i;
2414 int hstart, hstop, vstart, vstop, j;
2415 int x, y, w = v->display.width, h = v->display.height;
2416 u_short ddfstart, ddfwidth, con1;
2417 u_short mod1l, mod2l;
2418
2419 /* round down to nearest even width */
2420 /* w &= 0xfffe; */
2421
2422 /* calculate datafetch width. */
2423 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 2) << 2;
2424
2425 /* This will center the any overscanned display */
2426 /* and allow user to modify. */
2427 x = v->display.x + phdl_this_data->std_start_x - ((w - 640) >> 2);
2428 y = v->display.y + phdl_this_data->std_start_y - ((h - 1024) >> 3);
2429
2430 if (y & 1)
2431 y--;
2432
2433 if (!(x & 1))
2434 x--;
2435
2436 hstart = x;
2437 hstop = x + (w >> 1);
2438 vstart = y;
2439 vstop = y + (h >> 2);
2440 ddfstart = (hstart - 9) >> 1;
2441
2442 /* check for hardware limits, AGA may allow more..? */
2443 /* anyone got a 4000 I can borrow :^) -ch */
2444 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
2445 int d = 0;
2446
2447 /* XXX anyone know the equality properties of
2448 * intermixed logial AND's */
2449 /* XXX and arithmetic operators? */
2450 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
2451 d++;
2452 }
2453
2454 ddfstart -= d;
2455 hstart -= d << 1;
2456 hstop -= d << 1;
2457 }
2458 /* correct the datafetch to proper limits. */
2459 /* delay the actual display of the data until we need it. */
2460 ddfstart &= 0xfffc;
2461 con1 = ((hstart - 9) - (ddfstart << 1)) | (((hstart - 9) - (ddfstart << 1)) << 4);
2462
2463 if (phdl_this_data->current_view) {
2464 VDATA(phdl_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer */
2465 /* displayed. */
2466 }
2467 phdl_this_data->current_view = v;
2468
2469 cp = phdl_this_data->frames[F_LACE_STORE_LONG];
2470 #if defined GRF_ECS
2471 #if defined GRF_AGA
2472 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
2473 tmp->cp.inst.operand = 0;
2474 #endif
2475 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
2476 tmp->cp.inst.operand = phdl_this_data->beamcon0;
2477 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
2478 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
2479 #endif /* ECS */
2480 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
2481 tmp->cp.inst.operand = phdl_this_data->bplcon0 | ((depth & 0x7) << 13); /* times two. */
2482 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
2483 tmp->cp.inst.operand = con1;
2484 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
2485 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
2486 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
2487 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
2488 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
2489 tmp->cp.inst.operand = ddfstart;
2490 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
2491 tmp->cp.inst.operand = ddfstart + ddfwidth;
2492
2493 mod1l = v->bitmap->bytes_per_row + v->bitmap->row_mod;
2494 mod2l = mod1l << 1;
2495
2496 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2497 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][0])); /* update plane
2498 * pointers. */
2499 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][0])); /* high and low. */
2500 tmp[2].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod1l])); /* update plane
2501 * pointers. */
2502 tmp[3].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod1l])); /* high and low. */
2503 if (depth == 2) {
2504 tmp[4].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][0])); /* update plane
2505 * pointers. */
2506 tmp[5].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][0])); /* high and low. */
2507 tmp[6].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod1l])); /* update plane
2508 * pointers. */
2509 tmp[7].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod1l])); /* high and low. */
2510 }
2511 /* set mods correctly. */
2512 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
2513 tmp[0].cp.inst.operand = mod2l + mod1l;
2514 tmp[1].cp.inst.operand = mod2l + mod1l;
2515
2516 /* set next pointers correctly */
2517 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2518 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(phdl_this_data->frames[F_LACE_STORE_SHORT]));
2519 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(phdl_this_data->frames[F_LACE_STORE_SHORT]));
2520
2521 bcopy(phdl_this_data->frames[F_LACE_STORE_LONG], phdl_this_data->frames[F_LACE_STORE_SHORT], std_dlace_copper_list_size);
2522
2523 /* these are the only ones that are different from long frame. */
2524 cp = phdl_this_data->frames[F_LACE_STORE_SHORT];
2525 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2526 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l])); /* update plane
2527 * pointers. */
2528 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l])); /* high and low. */
2529 tmp[2].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l + mod1l])); /* update plane
2530 * pointers. */
2531 tmp[3].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l + mod1l])); /* high and low. */
2532 if (depth == 2) {
2533 tmp[4].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l])); /* update plane
2534 * pointers. */
2535 tmp[5].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l])); /* high and low. */
2536 tmp[6].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l + mod1l])); /* update plane
2537 * pointers. */
2538 tmp[7].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l + mod1l])); /* high and low. */
2539 }
2540 /* set next pointers correctly */
2541 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2542 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(phdl_this_data->frames[F_LACE_STORE_LONG]));
2543 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(phdl_this_data->frames[F_LACE_STORE_LONG]));
2544
2545 cp = phdl_this_data->frames[F_LACE_LONG];
2546 phdl_this_data->frames[F_LACE_LONG] = phdl_this_data->frames[F_LACE_STORE_LONG];
2547 phdl_this_data->frames[F_LACE_STORE_LONG] = cp;
2548
2549 cp = phdl_this_data->frames[F_LACE_SHORT];
2550 phdl_this_data->frames[F_LACE_SHORT] = phdl_this_data->frames[F_LACE_STORE_SHORT];
2551 phdl_this_data->frames[F_LACE_STORE_SHORT] = cp;
2552
2553 vd->flags |= VF_DISPLAY;
2554
2555 cc_a2024_use_colormap(v, vd->colormap);
2556 }
2557 cc_load_mode(phdl_this);
2558 }
2559
2560 dmode_t *
2561 cc_init_pal_a2024()
2562 {
2563 /* this function should only be called once. */
2564 if (!p24_this) {
2565 int i;
2566 u_short len = std_pal_a2024_copper_list_len;
2567 cop_t *cp;
2568
2569 p24_this = &pal_a2024_mode;
2570 p24_this_data = &pal_a2024_mode_data;
2571 bzero(p24_this, sizeof(dmode_t));
2572 bzero(p24_this_data, sizeof(dmdata_t));
2573
2574 p24_this->name = "pal: A2024 15khz";
2575 p24_this->nominal_size.width = 1024;
2576 p24_this->nominal_size.height = 1024;
2577 p24_this_data->max_size.width = 1024;
2578 p24_this_data->max_size.height = 1024;
2579 p24_this_data->min_size.width = 1024;
2580 p24_this_data->min_size.height = 1024;
2581 p24_this_data->min_depth = 1;
2582 p24_this_data->max_depth = 2;
2583 p24_this->data = p24_this_data;
2584
2585 p24_this->get_monitor = cc_get_monitor;
2586 p24_this->alloc_view = cc_alloc_view;
2587 p24_this->get_current_view = cc_get_current_view;
2588
2589 p24_this_data->use_colormap = cc_a2024_use_colormap;
2590 p24_this_data->get_colormap = cc_a2024_get_colormap;
2591 p24_this_data->display_view = display_pal_a2024_view;
2592 p24_this_data->alloc_colormap = cc_a2024_alloc_colormap;
2593 p24_this_data->monitor = cc_monitor;
2594
2595 p24_this_data->flags |= DMF_HEDLEY_EXP;
2596
2597 p24_this_data->frames = pal_a2024_frames;
2598 p24_this_data->frames[F_QD_QUAD0] = alloc_chipmem(std_pal_a2024_copper_list_size * F_QD_TOTAL);
2599 if (!p24_this_data->frames[F_QD_QUAD0]) {
2600 panic("couldn't get chipmem for copper list");
2601 }
2602 /* setup the hedley init bitplane. */
2603 hedley_init = alloc_chipmem(128);
2604 if (!hedley_init) {
2605 panic("couldn't get chipmem for hedley init bitplane");
2606 }
2607 for (i = 1; i < 128; i++)
2608 hedley_init[i] = 0xff;
2609 hedley_init[0] = 0x03;
2610
2611 /* copy image of standard copper list. */
2612 bcopy(std_pal_a2024_copper_list, p24_this_data->frames[0], std_pal_a2024_copper_list_size);
2613
2614 /* set the init plane pointer. */
2615 cp = find_copper_inst(p24_this_data->frames[F_QD_QUAD0], CI_MOVE(R_BPL0PTH));
2616 cp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(hedley_init));
2617 cp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(hedley_init));
2618
2619 for (i = 1; i < F_QD_TOTAL; i++) {
2620 p24_this_data->frames[i] = &p24_this_data->frames[i - 1][len];
2621 bcopy(p24_this_data->frames[0], p24_this_data->frames[i], std_pal_a2024_copper_list_size);
2622 }
2623
2624 p24_this_data->bplcon0 = 0x8200; /* hires */
2625 p24_this_data->vbl_handler = (vbl_handler_func *) pal_a2024_mode_vbl_handler;
2626
2627
2628 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, p24_this, link);
2629 }
2630 return (p24_this);
2631 }
2632
2633 void
2634 display_pal_a2024_view(v)
2635 view_t *v;
2636 {
2637 if (p24_this_data->current_view != v) {
2638 vdata_t *vd = VDATA(v);
2639 monitor_t *monitor = p24_this_data->monitor;
2640 cop_t *cp, *tmp;
2641 u_char *inst_plane[2];
2642 u_char **plane = inst_plane;
2643 u_long full_line = v->bitmap->bytes_per_row + v->bitmap->row_mod;
2644 u_long half_plane = full_line * v->bitmap->rows / 2;
2645
2646 int line_mod = 0xbc; /* standard 2024 15khz mod. */
2647 int depth = v->bitmap->depth, i, j;
2648
2649 plane[0] = v->bitmap->plane[0];
2650 if (depth == 2) {
2651 plane[1] = v->bitmap->plane[1];
2652 }
2653 if (p24_this_data->current_view) {
2654 VDATA(p24_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer
2655 * displayed. */
2656 }
2657 cp = p24_this_data->frames[F_QD_STORE_QUAD0];
2658 tmp = find_copper_inst(cp, CI_MOVE(R_COLOR1F));
2659 tmp = find_copper_inst(tmp, CI_MOVE(R_BPLCON0)); /* grab third one. */
2660 tmp->cp.inst.operand = p24_this_data->bplcon0 | ((depth & 0x7) << 13); /* times 2 */
2661
2662 bcopy(p24_this_data->frames[F_QD_STORE_QUAD0], p24_this_data->frames[F_QD_STORE_QUAD1], std_pal_a2024_copper_list_size);
2663 bcopy(p24_this_data->frames[F_QD_STORE_QUAD0], p24_this_data->frames[F_QD_STORE_QUAD2], std_pal_a2024_copper_list_size);
2664 bcopy(p24_this_data->frames[F_QD_STORE_QUAD0], p24_this_data->frames[F_QD_STORE_QUAD3], std_pal_a2024_copper_list_size);
2665
2666 /*
2667 * Mark Id's
2668 */
2669 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD1], CI_WAIT(126, 29));
2670 CBUMP(tmp);
2671 CMOVE(tmp, R_COLOR01, QUAD1_ID);
2672 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD2], CI_WAIT(126, 29));
2673 CBUMP(tmp);
2674 CMOVE(tmp, R_COLOR01, QUAD2_ID);
2675 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD3], CI_WAIT(126, 29));
2676 CBUMP(tmp);
2677 CMOVE(tmp, R_COLOR01, QUAD3_ID);
2678
2679 plane[0]--;
2680 plane[0]--;
2681 if (depth == 2) {
2682 plane[1]--;
2683 plane[1]--;
2684 }
2685 /*
2686 * Set bitplane pointers.
2687 */
2688 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD0], CI_MOVE(R_BPLMOD2));
2689 CBUMP(tmp);
2690 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][0])));
2691 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][0])));
2692 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][full_line])));
2693 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][full_line])));
2694 if (depth == 2) {
2695 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][0])));
2696 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][0])));
2697 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][full_line])));
2698 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][full_line])));
2699 }
2700 #if defined (GRF_ECS)
2701 CMOVE(tmp, R_DIWHIGH, 0x2100);
2702 #endif
2703 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD1])));
2704 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD1])));
2705 CEND(tmp);
2706 CEND(tmp);
2707
2708 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD1], CI_MOVE(R_BPLMOD2));
2709 CBUMP(tmp);
2710 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][HALF_2024_LINE])));
2711 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][HALF_2024_LINE])));
2712 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][full_line + HALF_2024_LINE])));
2713 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][full_line + HALF_2024_LINE])));
2714 if (depth == 2) {
2715 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][HALF_2024_LINE])));
2716 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][HALF_2024_LINE])));
2717 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][full_line + HALF_2024_LINE])));
2718 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][full_line + HALF_2024_LINE])));
2719 }
2720 #if defined (GRF_ECS)
2721 CMOVE(tmp, R_DIWHIGH, 0x2100);
2722 #endif
2723 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD2])));
2724 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD2])));
2725 CEND(tmp);
2726 CEND(tmp);
2727
2728 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD2], CI_MOVE(R_BPLMOD2));
2729 CBUMP(tmp);
2730 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][half_plane])));
2731 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][half_plane])));
2732 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line])));
2733 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line])));
2734 if (depth == 2) {
2735 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][half_plane])));
2736 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][half_plane])));
2737 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line])));
2738 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line])));
2739 }
2740 #if defined (GRF_ECS)
2741 CMOVE(tmp, R_DIWHIGH, 0x2100);
2742 #endif
2743 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD3])));
2744 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD3])));
2745 CEND(tmp);
2746 CEND(tmp);
2747
2748 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD3], CI_MOVE(R_BPLMOD2));
2749 CBUMP(tmp);
2750 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][half_plane + HALF_2024_LINE])));
2751 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][half_plane + HALF_2024_LINE])));
2752 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line + HALF_2024_LINE])));
2753 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line + HALF_2024_LINE])));
2754 if (depth == 2) {
2755 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][half_plane + HALF_2024_LINE])));
2756 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][half_plane + HALF_2024_LINE])));
2757 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line + HALF_2024_LINE])));
2758 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line + HALF_2024_LINE])));
2759 }
2760 #if defined (GRF_ECS)
2761 CMOVE(tmp, R_DIWHIGH, 0x2100);
2762 #endif
2763 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD0])));
2764 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD0])));
2765 CEND(tmp);
2766 CEND(tmp);
2767
2768 /* swap new pointers in. */
2769 for (i = F_QD_STORE_QUAD0, j = F_QD_QUAD0;
2770 i <= F_QD_STORE_QUAD3; i++, j++) {
2771 cp = p24_this_data->frames[j];
2772 p24_this_data->frames[j] = p24_this_data->frames[i];
2773 p24_this_data->frames[i] = cp;
2774 }
2775
2776 p24_this_data->current_view = v;
2777 vd->flags |= VF_DISPLAY;
2778
2779 cc_a2024_use_colormap(v, vd->colormap);
2780 }
2781 cc_load_mode(p24_this);
2782 }
2783
2784 void
2785 pal_a2024_mode_vbl_handler(d)
2786 dmode_t *d;
2787 {
2788 u_short vp = ((custom.vposr & 0x0007) << 8) | ((custom.vhposr) >> 8);
2789
2790 if (vp < 20) {
2791 custom.cop1lc = PREP_DMA_MEM(p24_this_data->frames[p24_this_data->hedley_current]);
2792 custom.copjmp1 = 0;
2793 }
2794 p24_this_data->hedley_current++;
2795 p24_this_data->hedley_current &= 0x3; /* if 4 then 0. */
2796 }
2797 #endif /* GRF_PAL */
2798 #endif /* GRF_A2024 */
2799