grfabs_cc.c revision 1.17 1 /* $NetBSD: grfabs_cc.c,v 1.17 1997/09/19 03:27:10 mhitch Exp $ */
2
3 /*
4 * Copyright (c) 1994 Christian E. Hopps
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Christian E. Hopps.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /*
34 * abstract interface for custom chips to the amiga abstract graphics driver.
35 *
36 */
37
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/errno.h>
41 #include <sys/cdefs.h>
42 #include <sys/queue.h>
43
44 #include <amiga/amiga/custom.h>
45 #include <amiga/amiga/cc.h>
46
47 #include <amiga/dev/grfabs_reg.h>
48 #include <amiga/dev/grfabs_ccreg.h>
49
50 monitor_t *m_this;
51 mdata_t *m_this_data;
52 char *monitor_name = "CCMONITOR";
53 monitor_t monitor;
54 mdata_t monitor_data;
55 cop_t *null_mode_copper_list;
56
57 #if defined (GRF_PAL)
58 # if defined (GRF_A2024)
59 dmode_t pal_a2024_mode;
60 dmdata_t pal_a2024_mode_data;
61 cop_t *pal_a2024_frames[F_QD_TOTAL];
62 u_char *hedley_init; /* init bitplane. */
63 dmode_t *p24_this;
64 dmdata_t *p24_this_data;
65
66 dmode_t pal_hires_dlace_mode;
67 dmdata_t pal_hires_dlace_mode_data;
68 cop_t *pal_hires_dlace_frames[F_LACE_TOTAL];
69 dmode_t *phdl_this;
70 dmdata_t *phdl_this_data;
71 # endif /* GRF_A2024 */
72
73 # if defined (GRF_AGA)
74 dmode_t paga_mode;
75 dmdata_t paga_mode_data;
76 cop_t *paga_frames[F_TOTAL];
77 dmode_t *paga_this;
78 dmdata_t *paga_this_data;
79
80 # endif /* GRF_AGA */
81
82 dmode_t pal_hires_lace_mode;
83 dmdata_t pal_hires_lace_mode_data;
84 cop_t *pal_hires_lace_frames[F_LACE_TOTAL];
85 dmode_t *phl_this;
86 dmdata_t *phl_this_data;
87
88 dmode_t pal_hires_mode;
89 dmdata_t pal_hires_mode_data;
90 cop_t *pal_hires_frames[F_TOTAL];
91 dmode_t *ph_this;
92 dmdata_t *ph_this_data;
93 #endif /* PAL */
94
95 #if defined (GRF_NTSC)
96 # if defined (GRF_A2024)
97 dmode_t a2024_mode;
98 dmdata_t a2024_mode_data;
99 cop_t *a2024_frames[F_QD_TOTAL];
100 u_char *hedley_init; /* init bitplane. */
101 dmode_t *a24_this;
102 dmdata_t *a24_this_data;
103
104 dmode_t hires_dlace_mode;
105 dmdata_t hires_dlace_mode_data;
106 cop_t *hires_dlace_frames[F_LACE_TOTAL];
107 dmode_t *hdl_this;
108 dmdata_t *hdl_this_data;
109 # endif /* GRF_A2024 */
110
111 # if defined (GRF_AGA)
112 dmode_t aga_mode;
113 dmdata_t aga_mode_data;
114 cop_t *aga_frames[F_TOTAL];
115 dmode_t *aga_this;
116 dmdata_t *aga_this_data;
117
118 #if defined (GRF_SUPER72)
119 dmode_t super72_mode;
120 dmdata_t super72_mode_data;
121 cop_t *super72_frames[F_LACE_TOTAL];
122 dmode_t *super72_this;
123 dmdata_t *super72_this_data;
124 #endif /* GRF_SUPER72 */
125
126 # endif /* GRF_AGA */
127
128 dmode_t hires_lace_mode;
129 dmdata_t hires_lace_mode_data;
130 cop_t *hires_lace_frames[F_LACE_TOTAL];
131 dmode_t *hl_this;
132 dmdata_t *hl_this_data;
133
134 void display_hires_view(view_t * v);
135 dmode_t hires_mode;
136 dmdata_t hires_mode_data;
137 cop_t *hires_frames[F_TOTAL];
138 dmode_t *h_this;
139 dmdata_t *h_this_data;
140 #endif /* GRF_NTSC */
141
142 #ifdef GRF_AGA
143 #define AGA_ENABLE 0x0001
144 #define AGA_ENABLE2 0x0002
145 #define AGA_TRACE 0x0004
146 #define AGA_TRACE2 0x0008
147 #define AGA_VGAONLY 0x0010
148 #define AGA_VGA31KHZ 0x0020
149
150 int aga_enable = 0; /* set by start_c(), or can be patched */
151 colormap_t *cc_alloc_aga_colormap __P((int));
152 int cc_use_aga_colormap __P((view_t *, colormap_t *));
153 #endif
154
155 /* monitor functions. */
156 monitor_t *
157 cc_init_monitor()
158 {
159 cop_t *cp;
160
161 if (m_this)
162 return(m_this);
163
164 cc_monitor = m_this = &monitor;
165 /* turn sprite DMA off. we don't support them yet. */
166 custom.dmacon = DMAF_SPRITE;
167
168 /* makre sure sprite data registers are clear as well */
169 custom.spr[0].data = 0;
170 custom.spr[0].datb = 0;
171
172 m_this->name = monitor_name;
173 m_this_data = m_this->data = &monitor_data;
174
175 m_this->get_current_mode = get_current_mode;
176 m_this->vbl_handler = (vbl_handler_func *) monitor_vbl_handler;
177 m_this->get_next_mode = get_next_mode;
178 m_this->get_best_mode = get_best_mode;
179
180 m_this->alloc_bitmap = alloc_bitmap;
181 m_this->free_bitmap = free_bitmap;
182
183 m_this_data->current_mode = NULL;
184 LIST_INIT(&m_this_data->modes);
185
186 cp = null_mode_copper_list = alloc_chipmem(sizeof(cop_t) * 4);
187 if (!cp)
188 panic("no chipmem for grf.");
189
190 CMOVE(cp, R_COLOR00, 0x0000); /* background is black */
191 CMOVE(cp, R_BPLCON0, 0x0000); /* no planes to fetch from */
192 CWAIT(cp, 255, 255); /* COPEND */
193 CWAIT(cp, 255, 255); /* COPEND really */
194
195 /* install this list and turn DMA on */
196 custom.cop1lc = PREP_DMA_MEM(null_mode_copper_list);
197 custom.copjmp1 = 0;
198 custom.dmacon = DMAF_SETCLR | DMAF_MASTER | DMAF_RASTER \
199 |DMAF_COPPER;
200
201 cc_init_modes();
202 LIST_INSERT_HEAD(monitors, m_this, link);
203 return (m_this);
204 }
205
206 void
207 monitor_vbl_handler(m)
208 monitor_t *m;
209 {
210 dmdata_t *dmd;
211
212 if (m_this_data->current_mode == NULL)
213 return;
214
215 dmd = DMDATA(m_this_data->current_mode);
216 if (dmd)
217 dmd->vbl_handler(m_this_data->current_mode);
218 }
219
220 dmode_t *
221 get_current_mode()
222 {
223 if (m_this_data->current_mode)
224 return(m_this_data->current_mode);
225 else
226 return(NULL);
227 }
228
229 dmode_t *
230 get_next_mode(d)
231 dmode_t *d;
232 {
233 if (d)
234 return(d->link.le_next);
235 return(m_this_data->modes.lh_first);
236 }
237
238 /* XXX needs to have more control attributes */
239 dmode_t *
240 get_best_mode(size, depth)
241 dimen_t *size;
242 u_char depth;
243 {
244 dmode_t *save;
245 dmode_t *dm;
246 long dt = 0, dx, dy, ct;
247 dmdata_t *dmd;
248
249 save = NULL;
250 dm = m_this_data->modes.lh_first;
251 while (dm != NULL) {
252 dmd = dm->data;
253 if (depth > dmd->max_depth || depth < dmd->min_depth) {
254 dm = dm->link.le_next;
255 continue;
256 } else if (size->width > dmd->max_size.width ||
257 size->height > dmd->max_size.height) {
258 dm = dm->link.le_next;
259 continue;
260 } else if (size->width < dmd->min_size.width ||
261 size->height < dmd->min_size.height) {
262 dm = dm->link.le_next;
263 continue;
264 }
265 dx = abs(dm->nominal_size.width - size->width);
266 dy = abs(dm->nominal_size.height - size->height);
267 ct = dx + dy;
268
269 if (ct < dt || save == NULL) {
270 save = dm;
271 dt = ct;
272 }
273 dm = dm->link.le_next;
274 }
275 return (save);
276 }
277 /* bitmap functions */
278 bmap_t *
279 alloc_bitmap(width, height, depth, flags)
280 u_short width, height, depth, flags;
281 {
282 int i;
283 u_long total_size;
284 #ifdef GRF_AGA
285 u_short lwpr = (flags & BMF_ALIGN64) ? ((width + 63) / 64) * 2 :
286 (width + 31) / 32; /* AGA needs 64 bit align */
287 #else
288 u_short lwpr = (width + 31) / 32;
289 #endif
290 u_short wpr = lwpr << 1;
291 u_short bpr = wpr << 1;
292 u_short array_size = sizeof(u_char *) * depth;
293 u_long plane_size = bpr * height;
294 u_short temp_size = bpr + sizeof(u_long);
295 bmap_t *bm;
296
297 /* note the next allocation will give everything, also note that all
298 * the stuff we want (including bitmaps) will be long short aligned.
299 * This is a function of the data being allocated and the fact that
300 * alloc_chipmem() returns long short aligned data. note also that
301 * each row of the bitmap is long word aligned and made of exactly n
302 * longwords. -ch */
303
304 /* Sigh, it seems for mapping to work we need the bitplane data to 1:
305 * be aligned on a page boundry. 2: be n pages large.
306 *
307 * why? becuase the user gets a page aligned address, if this is before
308 * your allocation, too bad. Also it seems that the mapping routines
309 * do not watch to closely to the allowable length. so if you go over
310 * n pages by less than another page, the user gets to write all over
311 * the entire page. Since you did not allocate up to a page boundry
312 * (or more) the user writes into someone elses memory. -ch */
313 total_size = m68k_round_page(plane_size * depth) + /* for length */
314 (temp_size) + (array_size) + sizeof(bmap_t) +
315 NBPG; /* for alignment */
316 bm = alloc_chipmem(total_size);
317 if (bm) {
318 if (flags & BMF_CLEAR) {
319 bzero(bm, total_size);
320 }
321 bm->bytes_per_row = bpr;
322 bm->rows = height;
323 bm->depth = depth;
324 bm->flags = flags;
325 bm->plane = (u_char **) & bm[1];
326 bm->blit_temp = ((u_char *) bm->plane) + array_size;
327 bm->plane[0] = (u_char *) m68k_round_page((u_long)
328 (bm->blit_temp + temp_size));
329 if (flags & BMF_INTERLEAVED) {
330 bm->row_mod = bm->bytes_per_row * (depth - 1);
331 for (i = 1; i < depth; i++) {
332 bm->plane[i] = bm->plane[i - 1] + bpr;
333 }
334 } else {
335 bm->row_mod = 0;
336 for (i = 1; i < depth; i++) {
337 bm->plane[i] = bm->plane[i - 1] + plane_size;
338 }
339 }
340 bm->hardware_address = PREP_DMA_MEM(bm->plane[0]);
341 return (bm);
342 }
343 return (NULL);
344 }
345
346
347 void
348 free_bitmap(bm)
349 bmap_t *bm;
350 {
351 if (bm)
352 free_chipmem(bm);
353 }
354 /* load a new mode into the current display, if NULL shut display off. */
355 void
356 cc_load_mode(d)
357 dmode_t *d;
358 {
359 if (d) {
360 m_this_data->current_mode = d;
361 return;
362 }
363 /* turn off display */
364 m_this_data->current_mode = NULL;
365 wait_tof();
366 wait_tof();
367 custom.cop1lc = PREP_DMA_MEM(null_mode_copper_list);
368 }
369 /*
370 * CC Mode Stuff.
371 */
372
373 dmode_t *(*mode_init_funcs[]) (void) = {
374 #if defined (GRF_NTSC)
375 #if defined (GRF_A2024)
376 cc_init_ntsc_a2024,
377 cc_init_ntsc_hires_dlace,
378 #endif /* GRF_A2024 */
379 cc_init_ntsc_hires_lace,
380 cc_init_ntsc_hires,
381 #if defined (GRF_AGA)
382 cc_init_ntsc_aga,
383 #if defined (GRF_SUPER72)
384 cc_init_super72,
385 #endif /* GRF_SUPER72 */
386 #endif /* GRF_AGA */
387 #endif /* GRF_NTSC */
388 #if defined (GRF_PAL)
389 #if defined (GRF_A2024)
390 cc_init_pal_a2024,
391 cc_init_pal_hires_dlace,
392 #endif /* GRF_A2024 */
393 cc_init_pal_hires_lace,
394 cc_init_pal_hires,
395 #if defined (GRF_AGA)
396 cc_init_pal_aga,
397 #endif /* GRF_AGA */
398 #endif /* GRF_PAL */
399 NULL
400 };
401
402 int
403 cc_init_modes()
404 {
405 int i = 0;
406 int error = 0;
407 while (mode_init_funcs[i]) {
408 mode_init_funcs[i] ();
409 i++;
410 }
411 return (error);
412 }
413
414 monitor_t *
415 cc_get_monitor(d)
416 dmode_t *d;
417 {
418 return (DMDATA(d)->monitor);
419 }
420
421 view_t *
422 cc_get_current_view(d)
423 dmode_t *d;
424 {
425 return (DMDATA(d)->current_view);
426 }
427
428
429 view_t *
430 cc_alloc_view(mode, dim, depth)
431 dmode_t *mode;
432 dimen_t *dim;
433 u_char depth;
434 {
435 view_t *v = alloc_chipmem(sizeof(*v) + sizeof(vdata_t));
436 if (v) {
437 bmap_t *bm = cc_monitor->alloc_bitmap(dim->width, dim->height,
438 depth, BMF_CLEAR | (DMDATA(mode)->max_depth == 8 ? BMF_ALIGN64 : 0));
439 if (bm) {
440 box_t box;
441
442 v->data = &v[1]; /* at the end of view */
443 VDATA(v)->colormap = DMDATA(mode)->alloc_colormap(depth);
444 if (VDATA(v)->colormap) {
445 INIT_BOX(&box, 0, 0, dim->width, dim->height);
446 cc_init_view(v, bm, mode, &box);
447 return (v);
448 }
449 cc_monitor->free_bitmap(bm);
450 }
451 free_chipmem(v);
452 }
453 return (NULL);
454 }
455
456 colormap_t *
457 cc_alloc_colormap(depth)
458 int depth;
459 {
460 u_long size = 1U << depth, i;
461 colormap_t *cm = alloc_chipmem(sizeof(u_long) * size + sizeof(*cm));
462
463 if (cm) {
464 cm->type = CM_COLOR;
465 cm->red_mask = 0x0F;
466 cm->green_mask = 0x0F;
467 cm->blue_mask = 0x0F;
468 cm->first = 0;
469 cm->size = size;
470 cm->entry = (u_long *) & cm[1]; /* table directly after. */
471 for (i = 0; i < size; i++) {
472 cm->entry[i] = CM_WTOL(cc_default_colors[i&31]);
473 }
474 return (cm);
475 }
476 return (NULL);
477 }
478
479 #ifdef GRF_AGA
480 colormap_t *
481 cc_alloc_aga_colormap(depth)
482 int depth;
483 {
484 u_long size = 1U << depth, i;
485 colormap_t *cm = alloc_chipmem(sizeof(u_long) * size + sizeof(*cm));
486
487 if (cm) {
488 cm->type = CM_COLOR;
489 cm->red_mask = 0x0FF;
490 cm->green_mask = 0x0FF;
491 cm->blue_mask = 0x0FF;
492 cm->first = 0;
493 cm->size = size;
494 cm->entry = (u_long *) & cm[1]; /* table directly after. */
495 for (i = 0; i < size; i++) {
496 cm->entry[i] = CM_WTOL(cc_default_colors[i&31]) |
497 (CM_WTOL(cc_default_colors[i&31]) << 4);
498 }
499 return (cm);
500 }
501 return (NULL);
502 }
503 #endif
504
505 int
506 cc_colormap_checkvals(vcm, cm, use)
507 colormap_t *vcm, *cm;
508 int use;
509 {
510 if (use) {
511 /* check to see if its the view's colormap, if so just do
512 * update. */
513 if (vcm != cm) {
514 if (cm->first >= vcm->size ||
515 (cm->first + cm->size) > (cm->first + vcm->size) ||
516 cm->type != vcm->type) {
517 return (0);
518 }
519 switch (vcm->type) {
520 case CM_COLOR:
521 if (cm->red_mask != vcm->red_mask ||
522 cm->green_mask != vcm->green_mask ||
523 cm->blue_mask != vcm->blue_mask) {
524 return (0);
525 }
526 break;
527 case CM_GREYSCALE:
528 if (cm->grey_mask != vcm->grey_mask) {
529 return (0);
530 }
531 break;
532 }
533 }
534 } else {
535 if (cm->first >= vcm->size ||
536 (cm->first + cm->size) > (cm->first + vcm->size)) {
537 return (0);
538 }
539 }
540 return (1);
541 }
542 /* does sanity check on values */
543 int
544 cc_get_colormap(v, cm)
545 view_t *v;
546 colormap_t *cm;
547 {
548 colormap_t *vcm = VDATA(v)->colormap;
549 int i;
550
551 if (!cc_colormap_checkvals(vcm, cm, 0)) {
552 return (EINVAL);
553 }
554 cm->type = vcm->type;
555
556 switch (vcm->type) {
557 case CM_COLOR:
558 cm->red_mask = vcm->red_mask;
559 cm->green_mask = vcm->green_mask;
560 cm->blue_mask = vcm->blue_mask;
561 break;
562 case CM_GREYSCALE:
563 cm->grey_mask = vcm->grey_mask;
564 break;
565 }
566
567 /* copy entries into colormap. */
568 for (i = cm->first; i < (cm->first + cm->size); i++) {
569 cm->entry[i] = vcm->entry[i];
570 }
571 return (0);
572 }
573
574 /* does sanity check on values */
575 int
576 cc_use_colormap(v, cm)
577 view_t *v;
578 colormap_t *cm;
579 {
580 colormap_t *vcm = VDATA(v)->colormap;
581 int s, i;
582
583 if (!cc_colormap_checkvals(vcm, cm, 1)) {
584 return (EINVAL);
585 }
586 /* check to see if its the view's colormap, if so just do update. */
587 if (vcm != cm) {
588 /* copy entries into colormap. */
589 for (i = cm->first; i < (cm->first + cm->size); i++) {
590 vcm->entry[i] = cm->entry[i];
591 }
592 }
593 s = spltty();
594
595 /* is view currently being displayed? */
596 if (VDATA(v)->flags & VF_DISPLAY) {
597 /* yes, update the copper lists */
598 cop_t *tmp, *cp;
599 int nframes = 1, j;
600
601 if (DMDATA(VDATA(v)->mode)->flags & DMF_INTERLACE) {
602 nframes = 2;
603 }
604 for (i = 0; i < nframes; i++) {
605 cp = DMDATA(VDATA(v)->mode)->frames[i];
606
607 tmp = find_copper_inst(cp, CI_MOVE(R_COLOR07));
608 tmp -= 7;
609
610 for (j = 0; j < 32; j++) {
611 CMOVE(tmp, (R_COLOR00 + (j << 1)),
612 CM_LTOW(vcm->entry[j]));
613 }
614 }
615 }
616 splx(s);
617 return (0);
618 }
619
620 #ifdef GRF_AGA
621 /* does sanity check on values */
622 int
623 cc_use_aga_colormap(v, cm)
624 view_t *v;
625 colormap_t *cm;
626 {
627 colormap_t *vcm = VDATA(v)->colormap;
628 int s, i;
629
630 if (!cc_colormap_checkvals(vcm, cm, 1)) {
631 return (EINVAL);
632 }
633 /* check to see if its the view's colormap, if so just do update. */
634 if (vcm != cm) {
635 /* copy entries into colormap. */
636 for (i = cm->first; i < (cm->first + cm->size); i++) {
637 vcm->entry[i] = cm->entry[i];
638 }
639 }
640 s = spltty();
641
642 /* is view currently being displayed? */
643 if (VDATA(v)->flags & VF_DISPLAY) {
644 /* yes, update the copper lists */
645 cop_t *tmp, *cp;
646 int nframes = 1, j;
647
648 if (DMDATA(VDATA(v)->mode)->flags & DMF_INTERLACE) {
649 nframes = 2;
650 }
651 for (i = 0; i < nframes; i++) {
652 cp = DMDATA(VDATA(v)->mode)->frames[i];
653
654 tmp = find_copper_inst(cp, CI_MOVE(R_COLOR00));
655 for (j = 0; j < vcm->size; j += 32) {
656 int k;
657
658 for (k = 0; k < 32; k++) {
659 int ce = vcm->entry[j + k] >> 4;
660 CMOVE(tmp, (R_COLOR00 + (k << 1)),
661 CM_LTOW(ce));
662 }
663 tmp++;
664 for (k = 0; k < 32; k++) {
665 int ce =vcm->entry[j + k];
666 CMOVE(tmp, (R_COLOR00 + (k << 1)),
667 CM_LTOW(ce));
668 }
669 tmp++;
670 }
671 }
672 }
673 splx(s);
674 return (0);
675 }
676 #endif
677
678 #if defined (GRF_A2024)
679 colormap_t *
680 cc_a2024_alloc_colormap(depth)
681 int depth;
682 {
683 u_long size = 1U << depth, i;
684 colormap_t *cm = alloc_chipmem(sizeof(u_long) * size + sizeof(*cm));
685
686 if (cm) {
687 cm->type = CM_GREYSCALE;
688 cm->grey_mask = 0x03;
689 cm->first = 0;
690 cm->size = size;
691 cm->entry = (u_long *) & cm[1]; /* table directly after. */
692 for (i = 0; i < size; i++) {
693 cm->entry[i] = CM_WTOL(cc_a2024_default_colors[i]);
694 }
695 return (cm);
696 }
697 return (NULL);
698 }
699
700 int
701 cc_a2024_get_colormap(v, cm)
702 view_t *v;
703 colormap_t *cm;
704 {
705 /* there are no differences (yet) in the way the cm's are stored */
706 return (cc_get_colormap(v, cm));
707 }
708
709 int
710 cc_a2024_use_colormap(v, cm)
711 view_t *v;
712 colormap_t *cm;
713 {
714 colormap_t *vcm = VDATA(v)->colormap;
715 int s, i;
716
717 if (!cc_colormap_checkvals(vcm, cm, 1)) {
718 return (EINVAL);
719 }
720 /* check to see if its the view's colormap, if so just do update. */
721 if (vcm != cm) {
722 /* copy entries into colormap. */
723 for (i = cm->first; i < (cm->first + cm->size); i++) {
724 vcm->entry[i] = cm->entry[i];
725 }
726 }
727 s = spltty();
728
729 /* is view currently being displayed? */
730 if (VDATA(v)->flags & VF_DISPLAY) {
731 /* yes, update the copper lists */
732 cop_t *tmp, *cp;
733 int nframes = 2, nregs = cm->size == 4 ? 16 : 8, j;
734
735 if (DMDATA(VDATA(v)->mode)->flags & DMF_HEDLEY_EXP) {
736 nframes = 4;
737 }
738 for (i = 0; i < nframes; i++) {
739 cp = DMDATA(VDATA(v)->mode)->frames[i];
740
741 tmp = find_copper_inst(cp, CI_MOVE(R_COLOR07));
742 tmp -= 7;
743
744 for (j = 0; j < nregs; j++) {
745 CMOVE(tmp, (R_COLOR00 + (j << 1)),
746 A2024_CM_TO_CR(vcm, j));
747 }
748 }
749 }
750 splx(s);
751 return (0);
752 }
753 #endif /* GRF_A2024 */
754
755
756 /*
757 * CC View stuff.
758 */
759
760 void
761 cc_init_view(v, bm, mode, dbox)
762 view_t *v;
763 bmap_t *bm;
764 dmode_t *mode;
765 box_t *dbox;
766 {
767 vdata_t *vd = VDATA(v);
768 v->bitmap = bm;
769 vd->mode = mode;
770 bcopy(dbox, &v->display, sizeof(box_t));
771
772 v->display_view = DMDATA(vd->mode)->display_view;
773 v->use_colormap = DMDATA(vd->mode)->use_colormap;
774 v->get_colormap = DMDATA(vd->mode)->get_colormap;
775 v->free_view = cc_free_view;
776 v->get_display_mode = cc_get_display_mode;
777 v->remove_view = cc_remove_view;
778 }
779
780 void
781 cc_free_view(v)
782 view_t *v;
783 {
784 if (v) {
785 v->remove_view(v);
786 free_chipmem(VDATA(v)->colormap);
787 cc_monitor->free_bitmap(v->bitmap);
788 free_chipmem(v);
789 }
790 }
791
792 void
793 cc_remove_view(v)
794 view_t *v;
795 {
796 dmode_t *mode = VDATA(v)->mode;
797
798 if (MDATA(cc_monitor)->current_mode == mode) {
799 if (DMDATA(mode)->current_view == v) {
800 cc_load_mode(NULL);
801 }
802 }
803 if (DMDATA(mode)->current_view == v) {
804 DMDATA(mode)->current_view = NULL;
805 }
806 VDATA(v)->flags &= ~VF_DISPLAY;
807 }
808
809 dmode_t *
810 cc_get_display_mode(v)
811 view_t *v;
812 {
813 return (VDATA(v)->mode);
814 }
815
816 void
817 cc_mode_vbl_handler(d)
818 dmode_t *d;
819 {
820 u_short vp = ((custom.vposr & 0x0007) << 8) | ((custom.vhposr) >> 8);
821
822 if (vp < 12) {
823 custom.cop1lc = PREP_DMA_MEM(DMDATA(d)->frames[F_LONG]);
824 custom.copjmp1 = 0;
825 }
826 }
827
828 void
829 cc_lace_mode_vbl_handler(d)
830 dmode_t *d;
831 {
832 u_short vp = ((custom.vposr & 0x0007) << 8) | ((custom.vhposr) >> 8);
833
834 if (vp < 12) {
835 if (custom.vposr & 0x8000) {
836 custom.cop1lc = PREP_DMA_MEM(DMDATA(d)->frames[F_LACE_LONG]);
837 } else {
838 custom.cop1lc = PREP_DMA_MEM(DMDATA(d)->frames[F_LACE_SHORT]);
839 }
840 custom.copjmp1 = 0;
841 }
842 }
843
844 /*
845 * Modes. (ick)
846 */
847
848 /*
849 * NTSC Modes
850 */
851
852 #if defined (GRF_NTSC)
853
854 dmode_t *
855 cc_init_ntsc_hires()
856 {
857 /* this function should only be called once. */
858 if (!h_this) {
859 u_short len = std_copper_list_len;
860
861 h_this = &hires_mode;
862 h_this_data = &hires_mode_data;
863 bzero(h_this, sizeof(dmode_t));
864 bzero(h_this_data, sizeof(dmdata_t));
865
866 h_this->name = "ntsc: hires";
867 h_this->nominal_size.width = 640;
868 h_this->nominal_size.height = 200;
869 h_this_data->max_size.width = 724;
870 h_this_data->max_size.height = 242;
871 h_this_data->min_size.width = 320;
872 h_this_data->min_size.height = 100;
873 h_this_data->min_depth = 1;
874 h_this_data->max_depth = 4;
875 h_this->data = h_this_data;
876
877 h_this->get_monitor = cc_get_monitor;
878 h_this->alloc_view = cc_alloc_view;
879 h_this->get_current_view = cc_get_current_view;
880
881 h_this_data->use_colormap = cc_use_colormap;
882 h_this_data->get_colormap = cc_get_colormap;
883 h_this_data->alloc_colormap = cc_alloc_colormap;
884 h_this_data->display_view = display_hires_view;
885 h_this_data->monitor = cc_monitor;
886
887 h_this_data->frames = hires_frames;
888 h_this_data->frames[F_LONG] =
889 alloc_chipmem(std_copper_list_size * F_TOTAL);
890 if (!h_this_data->frames[F_LONG]) {
891 panic("couldn't get chipmem for copper list");
892 }
893 h_this_data->frames[F_STORE_LONG] =
894 &h_this_data->frames[F_LONG][len];
895
896 bcopy(std_copper_list, h_this_data->frames[F_STORE_LONG],
897 std_copper_list_size);
898 bcopy(std_copper_list, h_this_data->frames[F_LONG],
899 std_copper_list_size);
900
901 h_this_data->bplcon0 = 0x8200 | USE_CON3; /* hires, color
902 * composite enable */
903 h_this_data->std_start_x = STANDARD_VIEW_X;
904 h_this_data->std_start_y = STANDARD_VIEW_Y;
905 h_this_data->vbl_handler =
906 (vbl_handler_func *) cc_mode_vbl_handler;
907 #if defined (GRF_ECS) || defined (GRF_AGA)
908 h_this_data->beamcon0 = STANDARD_NTSC_BEAMCON;
909 #endif
910
911 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, h_this, link);
912 }
913 return (h_this);
914 }
915
916 void
917 display_hires_view(v)
918 view_t *v;
919 {
920 if (h_this_data->current_view != v) {
921 vdata_t *vd = VDATA(v);
922 cop_t *cp = h_this_data->frames[F_STORE_LONG], *tmp;
923 int depth = v->bitmap->depth, i;
924 int hstart, hstop, vstart, vstop, j;
925 int x, y, w = v->display.width, h = v->display.height;
926 u_short ddfstart, ddfwidth, con1;
927
928 /* round down to nearest even width */
929 /* w &= 0xfffe; */
930 /* calculate datafetch width. */
931
932 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 2) << 2;
933
934 /* This will center the any overscanned display */
935 /* and allow user to modify. */
936 x = v->display.x + h_this_data->std_start_x - ((w - 640) >> 2);
937 y = v->display.y + h_this_data->std_start_y - ((h - 200) >> 1);
938
939 if (y & 1)
940 y--;
941
942 if (!(x & 1))
943 x--;
944
945 hstart = x;
946 hstop = x + (w >> 1);
947 vstart = y;
948 vstop = y + h;
949 ddfstart = (hstart - 9) >> 1;
950
951 /* check for hardware limits, AGA may allow more..? */
952 /* anyone got a 4000 I can borrow :^) -ch */
953 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
954 int d = 0;
955
956 /* XXX anyone know the equality properties of
957 * intermixed logial AND's */
958 /* XXX and arithmetic operators? */
959 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
960 d++;
961 }
962
963 ddfstart -= d;
964 hstart -= d << 1;
965 hstop -= d << 1;
966 }
967 /* correct the datafetch to proper limits. */
968 /* delay the actual display of the data until we need it. */
969 ddfstart &= 0xfffc;
970 con1 = ((hstart - 9) - (ddfstart << 1)) |
971 (((hstart - 9) - (ddfstart << 1)) << 4);
972
973 if (h_this_data->current_view) {
974 VDATA(h_this_data->current_view)->flags &=
975 ~VF_DISPLAY; /* mark as no longer displayed. */
976 }
977 h_this_data->current_view = v;
978
979 cp = h_this_data->frames[F_STORE_LONG];
980 #if defined (GRF_ECS) || defined (GRF_AGA)
981 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON3));
982 tmp->cp.inst.operand = 0x0020;
983 #if defined GRF_AGA
984 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
985 tmp->cp.inst.operand = 0;
986 #endif
987 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
988 tmp->cp.inst.operand = h_this_data->beamcon0;
989 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
990 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
991 #endif /* ECS */
992 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
993 tmp->cp.inst.operand = h_this_data->bplcon0 | ((depth & 0x7) << 12);
994 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
995 tmp->cp.inst.operand = con1;
996 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
997 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
998 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
999 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
1000 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
1001 tmp->cp.inst.operand = ddfstart;
1002 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
1003 tmp->cp.inst.operand = ddfstart + ddfwidth;
1004
1005 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
1006 for (i = 0, j = 0; i < depth; j += 2, i++) {
1007 /* update the plane pointers */
1008 tmp[j].cp.inst.operand =
1009 HIADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
1010 tmp[j + 1].cp.inst.operand =
1011 LOADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
1012 }
1013
1014 /* set mods correctly. */
1015 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
1016 tmp[0].cp.inst.operand = v->bitmap->row_mod;
1017 tmp[1].cp.inst.operand = v->bitmap->row_mod;
1018
1019 /* set next pointers correctly */
1020 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
1021 tmp[0].cp.inst.operand =
1022 HIADDR(PREP_DMA_MEM(h_this_data->frames[F_STORE_LONG]));
1023 tmp[1].cp.inst.operand =
1024 LOADDR(PREP_DMA_MEM(h_this_data->frames[F_STORE_LONG]));
1025
1026 cp = h_this_data->frames[F_LONG];
1027 h_this_data->frames[F_LONG] = h_this_data->frames[F_STORE_LONG];
1028 h_this_data->frames[F_STORE_LONG] = cp;
1029
1030 vd->flags |= VF_DISPLAY;
1031
1032 cc_use_colormap(v, vd->colormap);
1033 }
1034 cc_load_mode(h_this);
1035 }
1036
1037 dmode_t *
1038 cc_init_ntsc_hires_lace()
1039 {
1040 /* this function should only be called once. */
1041 if (!hl_this) {
1042 u_short len = std_copper_list_len;
1043
1044 hl_this = &hires_lace_mode;
1045 hl_this_data = &hires_lace_mode_data;
1046 bzero(hl_this, sizeof(dmode_t));
1047 bzero(hl_this_data, sizeof(dmdata_t));
1048
1049 hl_this->name = "ntsc: hires interlace";
1050 hl_this->nominal_size.width = 640;
1051 hl_this->nominal_size.height = 400;
1052 hl_this_data->max_size.width = 724;
1053 hl_this_data->max_size.height = 482;
1054 hl_this_data->min_size.width = 320;
1055 hl_this_data->min_size.height = 200;
1056 hl_this_data->min_depth = 1;
1057 hl_this_data->max_depth = 4;
1058 hl_this->data = hl_this_data;
1059
1060 hl_this->get_monitor = cc_get_monitor;
1061 hl_this->alloc_view = cc_alloc_view;
1062 hl_this->get_current_view = cc_get_current_view;
1063
1064 hl_this_data->use_colormap = cc_use_colormap;
1065 hl_this_data->get_colormap = cc_get_colormap;
1066 hl_this_data->alloc_colormap = cc_alloc_colormap;
1067 hl_this_data->display_view = display_hires_lace_view;
1068 hl_this_data->monitor = cc_monitor;
1069
1070 hl_this_data->flags |= DMF_INTERLACE;
1071
1072 hl_this_data->frames = hires_lace_frames;
1073 hl_this_data->frames[F_LACE_LONG] =
1074 alloc_chipmem(std_copper_list_size * F_LACE_TOTAL);
1075 if (!hl_this_data->frames[F_LACE_LONG]) {
1076 panic("couldn't get chipmem for copper list");
1077 }
1078 hl_this_data->frames[F_LACE_SHORT] =
1079 &hl_this_data->frames[F_LACE_LONG][len];
1080 hl_this_data->frames[F_LACE_STORE_LONG] =
1081 &hl_this_data->frames[F_LACE_SHORT][len];
1082 hl_this_data->frames[F_LACE_STORE_SHORT] =
1083 &hl_this_data->frames[F_LACE_STORE_LONG][len];
1084
1085 bcopy(std_copper_list, hl_this_data->frames[F_LACE_STORE_LONG],
1086 std_copper_list_size);
1087 bcopy(std_copper_list, hl_this_data->frames[F_LACE_STORE_SHORT],
1088 std_copper_list_size);
1089 bcopy(std_copper_list, hl_this_data->frames[F_LACE_LONG],
1090 std_copper_list_size);
1091 bcopy(std_copper_list, hl_this_data->frames[F_LACE_SHORT],
1092 std_copper_list_size);
1093
1094 hl_this_data->bplcon0 = 0x8204 | USE_CON3; /* hires, color
1095 * composite enable,
1096 * lace. */
1097 hl_this_data->std_start_x = STANDARD_VIEW_X;
1098 hl_this_data->std_start_y = STANDARD_VIEW_Y;
1099 hl_this_data->vbl_handler =
1100 (vbl_handler_func *) cc_lace_mode_vbl_handler;
1101 #if defined (GRF_ECS) || defined (GRF_AGA)
1102 hl_this_data->beamcon0 = STANDARD_NTSC_BEAMCON;
1103 #endif
1104
1105 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, hl_this, link);
1106 }
1107 return (hl_this);
1108 }
1109
1110 void
1111 display_hires_lace_view(v)
1112 view_t *v;
1113 {
1114 if (hl_this_data->current_view != v) {
1115 vdata_t *vd = VDATA(v);
1116 cop_t *cp = hl_this_data->frames[F_LACE_STORE_LONG], *tmp;
1117 int depth = v->bitmap->depth, i;
1118 int hstart, hstop, vstart, vstop, j;
1119 int x, y, w = v->display.width, h = v->display.height;
1120 u_short ddfstart, ddfwidth, con1;
1121
1122 /* round down to nearest even width */
1123 /* w &= 0xfffe; */
1124
1125
1126 /* calculate datafetch width. */
1127
1128 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 2) << 2;
1129
1130 /* This will center the any overscanned display */
1131 /* and allow user to modify. */
1132 x = v->display.x + hl_this_data->std_start_x - ((w - 640) >> 2);
1133 y = v->display.y + hl_this_data->std_start_y - ((h - 400) >> 2);
1134
1135 if (y & 1)
1136 y--;
1137
1138 if (!(x & 1))
1139 x--;
1140
1141 hstart = x;
1142 hstop = x + (w >> 1);
1143 vstart = y;
1144 vstop = y + (h >> 1);
1145 ddfstart = (hstart - 9) >> 1;
1146
1147 /* check for hardware limits, AGA may allow more..? */
1148 /* anyone got a 4000 I can borrow :^) -ch */
1149 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
1150 int d = 0;
1151
1152 /* XXX anyone know the equality properties of
1153 * intermixed logial AND's */
1154 /* XXX and arithmetic operators? */
1155 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
1156 d++;
1157 }
1158
1159 ddfstart -= d;
1160 hstart -= d << 1;
1161 hstop -= d << 1;
1162 }
1163 /* correct the datafetch to proper limits. */
1164 /* delay the actual display of the data until we need it. */
1165 ddfstart &= 0xfffc;
1166 con1 = ((hstart - 9) - (ddfstart << 1)) |
1167 (((hstart - 9) - (ddfstart << 1)) << 4);
1168
1169 if (hl_this_data->current_view) {
1170 VDATA(hl_this_data->current_view)->flags &=
1171 ~VF_DISPLAY; /* mark as no longer displayed. */
1172 }
1173 hl_this_data->current_view = v;
1174
1175 cp = hl_this_data->frames[F_LACE_STORE_LONG];
1176 #if defined (GRF_ECS) || defined (GRF_AGA)
1177 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON3));
1178 tmp->cp.inst.operand = 0x0020;
1179 #if defined GRF_AGA
1180 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
1181 tmp->cp.inst.operand = 0;
1182 #endif
1183 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
1184 tmp->cp.inst.operand = hl_this_data->beamcon0;
1185 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
1186 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
1187 #endif /* ECS */
1188 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
1189 tmp->cp.inst.operand = hl_this_data->bplcon0 | ((depth & 0x7) << 12);
1190 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
1191 tmp->cp.inst.operand = con1;
1192 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
1193 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
1194 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
1195 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
1196 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
1197 tmp->cp.inst.operand = ddfstart;
1198 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
1199 tmp->cp.inst.operand = ddfstart + ddfwidth;
1200
1201 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
1202 for (i = 0, j = 0; i < depth; j += 2, i++) {
1203 /* update the plane pointers */
1204 tmp[j].cp.inst.operand =
1205 HIADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
1206 tmp[j + 1].cp.inst.operand =
1207 LOADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
1208 }
1209
1210 /* set mods correctly. */
1211 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
1212 tmp[0].cp.inst.operand = v->bitmap->bytes_per_row + v->bitmap->row_mod;
1213 tmp[1].cp.inst.operand = v->bitmap->bytes_per_row + v->bitmap->row_mod;
1214
1215 /* set next pointers correctly */
1216 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
1217 tmp[0].cp.inst.operand =
1218 HIADDR(PREP_DMA_MEM(hl_this_data->frames[F_LACE_STORE_SHORT]));
1219 tmp[1].cp.inst.operand =
1220 LOADDR(PREP_DMA_MEM(hl_this_data->frames[F_LACE_STORE_SHORT]));
1221
1222
1223 bcopy(hl_this_data->frames[F_LACE_STORE_LONG],
1224 hl_this_data->frames[F_LACE_STORE_SHORT], std_copper_list_size);
1225
1226 /* these are the only ones that are different from long frame. */
1227 cp = hl_this_data->frames[F_LACE_STORE_SHORT];
1228 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
1229 for (i = 0, j = 0; i < depth; j += 2, i++) {
1230 u_short mod = v->bitmap->bytes_per_row + v->bitmap->row_mod;
1231 /* update plane pointers. high and low. */
1232 tmp[j].cp.inst.operand =
1233 HIADDR(PREP_DMA_MEM(&v->bitmap->plane[i][mod]));
1234 tmp[j + 1].cp.inst.operand =
1235 LOADDR(PREP_DMA_MEM(&v->bitmap->plane[i][mod]));
1236 }
1237
1238 /* set next pointers correctly */
1239 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
1240 tmp[0].cp.inst.operand =
1241 HIADDR(PREP_DMA_MEM(hl_this_data->frames[F_LACE_STORE_LONG]));
1242 tmp[1].cp.inst.operand =
1243 LOADDR(PREP_DMA_MEM(hl_this_data->frames[F_LACE_STORE_LONG]));
1244
1245
1246 cp = hl_this_data->frames[F_LACE_LONG];
1247 hl_this_data->frames[F_LACE_LONG] =
1248 hl_this_data->frames[F_LACE_STORE_LONG];
1249 hl_this_data->frames[F_LACE_STORE_LONG] = cp;
1250
1251 cp = hl_this_data->frames[F_LACE_SHORT];
1252 hl_this_data->frames[F_LACE_SHORT] =
1253 hl_this_data->frames[F_LACE_STORE_SHORT];
1254 hl_this_data->frames[F_LACE_STORE_SHORT] = cp;
1255
1256 vd->flags |= VF_DISPLAY;
1257
1258 cc_use_colormap(v, vd->colormap);
1259 }
1260 cc_load_mode(hl_this);
1261 }
1262 #if defined (GRF_A2024)
1263
1264 dmode_t *
1265 cc_init_ntsc_hires_dlace()
1266 {
1267 /* this function should only be called once. */
1268 if (!hdl_this) {
1269 u_short len = std_dlace_copper_list_len;
1270
1271 hdl_this = &hires_dlace_mode;
1272 hdl_this_data = &hires_dlace_mode_data;
1273 bzero(hdl_this, sizeof(dmode_t));
1274 bzero(hdl_this_data, sizeof(dmdata_t));
1275
1276 hdl_this->name = "ntsc: hires double interlace";
1277 hdl_this->nominal_size.width = 640;
1278 hdl_this->nominal_size.height = 800;
1279 hdl_this_data->max_size.width = 724;
1280 hdl_this_data->max_size.height = 800;
1281 hdl_this_data->min_size.width = 320;
1282 hdl_this_data->min_size.height = 400;
1283 hdl_this_data->min_depth = 1;
1284 hdl_this_data->max_depth = 2;
1285 hdl_this->data = hdl_this_data;
1286
1287 hdl_this->get_monitor = cc_get_monitor;
1288 hdl_this->alloc_view = cc_alloc_view;
1289 hdl_this->get_current_view = cc_get_current_view;
1290
1291 hdl_this_data->use_colormap = cc_a2024_use_colormap;
1292 hdl_this_data->get_colormap = cc_a2024_get_colormap;
1293 hdl_this_data->alloc_colormap = cc_a2024_alloc_colormap;
1294 hdl_this_data->display_view = display_hires_dlace_view;
1295 hdl_this_data->monitor = cc_monitor;
1296
1297 hdl_this_data->flags |= DMF_INTERLACE;
1298
1299 hdl_this_data->frames = hires_dlace_frames;
1300 hdl_this_data->frames[F_LACE_LONG] =
1301 alloc_chipmem(std_dlace_copper_list_size * F_LACE_TOTAL);
1302 if (!hdl_this_data->frames[F_LACE_LONG]) {
1303 panic("couldn't get chipmem for copper list");
1304 }
1305 hdl_this_data->frames[F_LACE_SHORT] =
1306 &hdl_this_data->frames[F_LACE_LONG][len];
1307 hdl_this_data->frames[F_LACE_STORE_LONG] =
1308 &hdl_this_data->frames[F_LACE_SHORT][len];
1309 hdl_this_data->frames[F_LACE_STORE_SHORT] =
1310 &hdl_this_data->frames[F_LACE_STORE_LONG][len];
1311
1312 bcopy(std_dlace_copper_list,
1313 hdl_this_data->frames[F_LACE_STORE_LONG],
1314 std_dlace_copper_list_size);
1315 bcopy(std_dlace_copper_list,
1316 hdl_this_data->frames[F_LACE_STORE_SHORT],
1317 std_dlace_copper_list_size);
1318 bcopy(std_dlace_copper_list,
1319 hdl_this_data->frames[F_LACE_LONG],
1320 std_dlace_copper_list_size);
1321 bcopy(std_dlace_copper_list,
1322 hdl_this_data->frames[F_LACE_SHORT],
1323 std_dlace_copper_list_size);
1324
1325 hdl_this_data->bplcon0 = 0x8204 | USE_CON3; /* hires, color
1326 * composite enable,
1327 * dlace. */
1328 hdl_this_data->std_start_x = STANDARD_VIEW_X;
1329 hdl_this_data->std_start_y = STANDARD_VIEW_Y;
1330 hdl_this_data->vbl_handler =
1331 (vbl_handler_func *) cc_lace_mode_vbl_handler;
1332 #if defined (GRF_ECS) || defined (GRF_AGA)
1333 hdl_this_data->beamcon0 = STANDARD_NTSC_BEAMCON;
1334 #endif
1335 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, hdl_this, link);
1336 }
1337 return (hdl_this);
1338 }
1339
1340 void
1341 display_hires_dlace_view(v)
1342 view_t *v;
1343 {
1344 if (hdl_this_data->current_view != v) {
1345 vdata_t *vd = VDATA(v);
1346 cop_t *cp = hdl_this_data->frames[F_LACE_STORE_LONG], *tmp;
1347 int depth = v->bitmap->depth;
1348 int hstart, hstop, vstart, vstop;
1349 int x, y, w = v->display.width, h = v->display.height;
1350 u_short ddfstart, ddfwidth, con1;
1351 u_short mod1l, mod2l;
1352
1353 /* round down to nearest even width */
1354 /* w &= 0xfffe; */
1355
1356 /* calculate datafetch width. */
1357
1358 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 2) << 2;
1359
1360 /* This will center the any overscanned display */
1361 /* and allow user to modify. */
1362 x = v->display.x + hdl_this_data->std_start_x - ((w - 640) >> 2);
1363 y = v->display.y + hdl_this_data->std_start_y - ((h - 800) >> 3);
1364
1365 if (y & 1)
1366 y--;
1367
1368 if (!(x & 1))
1369 x--;
1370
1371 hstart = x;
1372 hstop = x + (w >> 1);
1373 vstart = y;
1374 vstop = y + (h >> 2);
1375
1376 ddfstart = (hstart - 9) >> 1;
1377
1378 /* check for hardware limits, AGA may allow more..? */
1379 /* anyone got a 4000 I can borrow :^) -ch */
1380 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
1381 int d = 0;
1382
1383 /* XXX anyone know the equality properties of
1384 * intermixed logial AND's */
1385 /* XXX and arithmetic operators? */
1386 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
1387 d++;
1388 }
1389
1390 ddfstart -= d;
1391 hstart -= d << 1;
1392 hstop -= d << 1;
1393 }
1394 /* correct the datafetch to proper limits. */
1395 /* delay the actual display of the data until we need it. */
1396 ddfstart &= 0xfffc;
1397 con1 = ((hstart - 9) - (ddfstart << 1)) |
1398 (((hstart - 9) - (ddfstart << 1)) << 4);
1399
1400 if (hdl_this_data->current_view) {
1401 VDATA(hdl_this_data->current_view)->flags &=
1402 ~VF_DISPLAY; /* mark as no longer displayed. */
1403 }
1404 hdl_this_data->current_view = v;
1405
1406 cp = hdl_this_data->frames[F_LACE_STORE_LONG];
1407 #if defined (GRF_ECS) || defined (GRF_AGA)
1408 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON3));
1409 tmp->cp.inst.operand = 0x0020;
1410 #if defined GRF_AGA
1411 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
1412 tmp->cp.inst.operand = 0;
1413 #endif
1414 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
1415 tmp->cp.inst.operand = hdl_this_data->beamcon0;
1416 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
1417 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
1418 #endif /* ECS */
1419 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
1420 tmp->cp.inst.operand =
1421 hdl_this_data->bplcon0 | ((depth & 0x7) << 13); /* times two. */
1422 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
1423 tmp->cp.inst.operand = con1;
1424 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
1425 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
1426 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
1427 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
1428 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
1429 tmp->cp.inst.operand = ddfstart;
1430 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
1431 tmp->cp.inst.operand = ddfstart + ddfwidth;
1432
1433 mod1l = v->bitmap->bytes_per_row + v->bitmap->row_mod;
1434 mod2l = mod1l << 1;
1435
1436 /* update plane pointers. */
1437 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
1438 tmp[0].cp.inst.operand =
1439 HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][0]));
1440 tmp[1].cp.inst.operand =
1441 LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][0]));
1442 tmp[2].cp.inst.operand =
1443 HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod1l]));
1444 tmp[3].cp.inst.operand =
1445 LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod1l]));
1446 if (depth == 2) {
1447 tmp[4].cp.inst.operand =
1448 HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][0]));
1449 tmp[5].cp.inst.operand =
1450 LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][0]));
1451 tmp[6].cp.inst.operand =
1452 HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod1l]));
1453 tmp[7].cp.inst.operand =
1454 LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod1l]));
1455 }
1456 /* set modulos. */
1457 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
1458 tmp[0].cp.inst.operand = mod2l + mod1l;
1459 tmp[1].cp.inst.operand = mod2l + mod1l;
1460
1461
1462 /* set next coper list pointers */
1463 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
1464 tmp[0].cp.inst.operand =
1465 HIADDR(PREP_DMA_MEM(hdl_this_data->frames[F_LACE_STORE_SHORT]));
1466 tmp[1].cp.inst.operand =
1467 LOADDR(PREP_DMA_MEM(hdl_this_data->frames[F_LACE_STORE_SHORT]));
1468
1469 bcopy(hdl_this_data->frames[F_LACE_STORE_LONG],
1470 hdl_this_data->frames[F_LACE_STORE_SHORT],
1471 std_dlace_copper_list_size);
1472
1473 /* these are the only ones that are different from long frame. */
1474 cp = hdl_this_data->frames[F_LACE_STORE_SHORT];
1475 /* update plane pointers. */
1476 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
1477 tmp[0].cp.inst.operand =
1478 HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l]));
1479 tmp[1].cp.inst.operand =
1480 LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l]));
1481 tmp[2].cp.inst.operand =
1482 HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l + mod1l]));
1483 tmp[3].cp.inst.operand =
1484 LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l + mod1l]));
1485 if (depth == 2) {
1486 tmp[4].cp.inst.operand =
1487 HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l]));
1488 tmp[5].cp.inst.operand =
1489 LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l]));
1490 tmp[6].cp.inst.operand =
1491 HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l + mod1l]));
1492 tmp[7].cp.inst.operand =
1493 LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l + mod1l]));
1494 }
1495 /* set next copper list pointers */
1496 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
1497 tmp[0].cp.inst.operand =
1498 HIADDR(PREP_DMA_MEM(hdl_this_data->frames[F_LACE_STORE_LONG]));
1499 tmp[1].cp.inst.operand =
1500 LOADDR(PREP_DMA_MEM(hdl_this_data->frames[F_LACE_STORE_LONG]));
1501
1502 cp = hdl_this_data->frames[F_LACE_LONG];
1503 hdl_this_data->frames[F_LACE_LONG] =
1504 hdl_this_data->frames[F_LACE_STORE_LONG];
1505 hdl_this_data->frames[F_LACE_STORE_LONG] = cp;
1506
1507 cp = hdl_this_data->frames[F_LACE_SHORT];
1508 hdl_this_data->frames[F_LACE_SHORT] =
1509 hdl_this_data->frames[F_LACE_STORE_SHORT];
1510 hdl_this_data->frames[F_LACE_STORE_SHORT] = cp;
1511
1512 vd->flags |= VF_DISPLAY;
1513 cc_a2024_use_colormap(v, vd->colormap);
1514 }
1515 cc_load_mode(hdl_this);
1516 }
1517
1518
1519 dmode_t *
1520 cc_init_ntsc_a2024()
1521 {
1522 /* this function should only be called once. */
1523 if (!a24_this) {
1524 int i;
1525 u_short len = std_a2024_copper_list_len;
1526 cop_t *cp;
1527
1528 a24_this = &a2024_mode;
1529 a24_this_data = &a2024_mode_data;
1530 bzero(a24_this, sizeof(dmode_t));
1531 bzero(a24_this_data, sizeof(dmdata_t));
1532
1533 a24_this->name = "ntsc: A2024 15khz";
1534 a24_this->nominal_size.width = 1024;
1535 a24_this->nominal_size.height = 800;
1536 a24_this_data->max_size.width = 1024;
1537 a24_this_data->max_size.height = 800;
1538 a24_this_data->min_size.width = 1024;
1539 a24_this_data->min_size.height = 800;
1540 a24_this_data->min_depth = 1;
1541 a24_this_data->max_depth = 2;
1542 a24_this->data = a24_this_data;
1543
1544 a24_this->get_monitor = cc_get_monitor;
1545 a24_this->alloc_view = cc_alloc_view;
1546 a24_this->get_current_view = cc_get_current_view;
1547
1548 a24_this_data->use_colormap = cc_a2024_use_colormap;
1549 a24_this_data->get_colormap = cc_a2024_get_colormap;
1550 a24_this_data->display_view = display_a2024_view;
1551 a24_this_data->alloc_colormap = cc_a2024_alloc_colormap;
1552 a24_this_data->monitor = cc_monitor;
1553
1554 a24_this_data->flags |= DMF_HEDLEY_EXP;
1555
1556 a24_this_data->frames = a2024_frames;
1557 a24_this_data->frames[F_QD_QUAD0] =
1558 alloc_chipmem(std_a2024_copper_list_size * F_QD_TOTAL);
1559 if (!a24_this_data->frames[F_QD_QUAD0]) {
1560 panic("couldn't get chipmem for copper list");
1561 }
1562 /* setup the hedley init bitplane. */
1563 hedley_init = alloc_chipmem(128);
1564 if (!hedley_init) {
1565 panic("couldn't get chipmem for hedley init bitplane");
1566 }
1567 for (i = 1; i < 128; i++)
1568 hedley_init[i] = 0xff;
1569 hedley_init[0] = 0x03;
1570
1571 /* copy image of standard copper list. */
1572 bcopy(std_a2024_copper_list, a24_this_data->frames[0],
1573 std_a2024_copper_list_size);
1574
1575 /* set the init plane pointer. */
1576 cp = find_copper_inst(a24_this_data->frames[F_QD_QUAD0],
1577 CI_MOVE(R_BPL0PTH));
1578 cp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(hedley_init));
1579 cp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(hedley_init));
1580
1581 for (i = 1; i < F_QD_TOTAL; i++) {
1582 a24_this_data->frames[i] = &a24_this_data->frames[i - 1][len];
1583 bcopy(a24_this_data->frames[0],
1584 a24_this_data->frames[i],
1585 std_a2024_copper_list_size);
1586 }
1587
1588 a24_this_data->bplcon0 = 0x8200; /* hires */
1589 a24_this_data->vbl_handler =
1590 (vbl_handler_func *) a2024_mode_vbl_handler;
1591
1592
1593 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, a24_this, link);
1594 }
1595 return (a24_this);
1596 }
1597
1598 void
1599 display_a2024_view(v)
1600 view_t *v;
1601 {
1602 if (a24_this_data->current_view != v) {
1603 vdata_t *vd = VDATA(v);
1604 cop_t *cp, *tmp;
1605 u_char *inst_plane[2];
1606 u_char **plane = inst_plane;
1607 u_long full_line = v->bitmap->bytes_per_row + v->bitmap->row_mod;
1608 u_long half_plane = full_line * v->bitmap->rows / 2;
1609
1610 int depth = v->bitmap->depth, i, j;
1611
1612 plane[0] = v->bitmap->plane[0];
1613 if (depth == 2) {
1614 plane[1] = v->bitmap->plane[1];
1615 }
1616 if (a24_this_data->current_view) {
1617 VDATA(a24_this_data->current_view)->flags &=
1618 ~VF_DISPLAY; /* mark as no longer displayed. */
1619 }
1620 cp = a24_this_data->frames[F_QD_STORE_QUAD0];
1621 tmp = find_copper_inst(cp, CI_MOVE(R_COLOR1F));
1622 tmp = find_copper_inst(tmp, CI_MOVE(R_BPLCON0)); /* grab third one. */
1623 tmp->cp.inst.operand = a24_this_data->bplcon0 |
1624 ((depth & 0x7) << 13); /* times 2 */
1625
1626 bcopy(a24_this_data->frames[F_QD_STORE_QUAD0],
1627 a24_this_data->frames[F_QD_STORE_QUAD1],
1628 std_a2024_copper_list_size);
1629 bcopy(a24_this_data->frames[F_QD_STORE_QUAD0],
1630 a24_this_data->frames[F_QD_STORE_QUAD2],
1631 std_a2024_copper_list_size);
1632 bcopy(a24_this_data->frames[F_QD_STORE_QUAD0],
1633 a24_this_data->frames[F_QD_STORE_QUAD3],
1634 std_a2024_copper_list_size);
1635
1636 /*
1637 * Mark Id's
1638 */
1639 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD1],
1640 CI_WAIT(126, 21));
1641 CBUMP(tmp);
1642 CMOVE(tmp, R_COLOR01, QUAD1_ID);
1643 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD2],
1644 CI_WAIT(126, 21));
1645 CBUMP(tmp);
1646 CMOVE(tmp, R_COLOR01, QUAD2_ID);
1647 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD3],
1648 CI_WAIT(126, 21));
1649 CBUMP(tmp);
1650 CMOVE(tmp, R_COLOR01, QUAD3_ID);
1651
1652 plane[0]--;
1653 plane[0]--;
1654 if (depth == 2) {
1655 plane[1]--;
1656 plane[1]--;
1657 }
1658 /*
1659 * Set bitplane pointers.
1660 */
1661 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD0],
1662 CI_MOVE(R_BPLMOD2));
1663 CBUMP(tmp);
1664 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][0])));
1665 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][0])));
1666 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][full_line])));
1667 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][full_line])));
1668 if (depth == 2) {
1669 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][0])));
1670 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][0])));
1671 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][full_line])));
1672 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][full_line])));
1673 }
1674 #if defined (GRF_ECS) || defined (GRF_AGA)
1675 CMOVE(tmp, R_DIWHIGH, 0x2000);
1676 #endif
1677 CMOVE(tmp, R_COP1LCH,
1678 HIADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD1])));
1679 CMOVE(tmp, R_COP1LCL,
1680 LOADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD1])));
1681 CEND(tmp);
1682 CEND(tmp);
1683
1684 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD1],
1685 CI_MOVE(R_BPLMOD2));
1686 CBUMP(tmp);
1687 CMOVE(tmp, R_BPL0PTH,
1688 HIADDR(PREP_DMA_MEM(&plane[0][HALF_2024_LINE])));
1689 CMOVE(tmp, R_BPL0PTL,
1690 LOADDR(PREP_DMA_MEM(&plane[0][HALF_2024_LINE])));
1691 CMOVE(tmp, R_BPL1PTH,
1692 HIADDR(PREP_DMA_MEM(&plane[0][full_line + HALF_2024_LINE])));
1693 CMOVE(tmp, R_BPL1PTL,
1694 LOADDR(PREP_DMA_MEM(&plane[0][full_line + HALF_2024_LINE])));
1695 if (depth == 2) {
1696 CMOVE(tmp, R_BPL2PTH,
1697 HIADDR(PREP_DMA_MEM(&plane[1][HALF_2024_LINE])));
1698 CMOVE(tmp, R_BPL2PTL,
1699 LOADDR(PREP_DMA_MEM(&plane[1][HALF_2024_LINE])));
1700 CMOVE(tmp, R_BPL3PTH,
1701 HIADDR(PREP_DMA_MEM(&plane[1][full_line + HALF_2024_LINE])));
1702 CMOVE(tmp, R_BPL3PTL,
1703 LOADDR(PREP_DMA_MEM(&plane[1][full_line + HALF_2024_LINE])));
1704 }
1705 #if defined (GRF_ECS) || defined (GRF_AGA)
1706 CMOVE(tmp, R_DIWHIGH, 0x2000);
1707 #endif
1708 CMOVE(tmp, R_COP1LCH,
1709 HIADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD2])));
1710 CMOVE(tmp, R_COP1LCL,
1711 LOADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD2])));
1712 CEND(tmp);
1713 CEND(tmp);
1714
1715 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD2],
1716 CI_MOVE(R_BPLMOD2));
1717 CBUMP(tmp);
1718 CMOVE(tmp, R_BPL0PTH,
1719 HIADDR(PREP_DMA_MEM(&plane[0][half_plane])));
1720 CMOVE(tmp, R_BPL0PTL,
1721 LOADDR(PREP_DMA_MEM(&plane[0][half_plane])));
1722 CMOVE(tmp, R_BPL1PTH,
1723 HIADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line])));
1724 CMOVE(tmp, R_BPL1PTL,
1725 LOADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line])));
1726 if (depth == 2) {
1727 CMOVE(tmp, R_BPL2PTH,
1728 HIADDR(PREP_DMA_MEM(&plane[1][half_plane])));
1729 CMOVE(tmp, R_BPL2PTL,
1730 LOADDR(PREP_DMA_MEM(&plane[1][half_plane])));
1731 CMOVE(tmp, R_BPL3PTH,
1732 HIADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line])));
1733 CMOVE(tmp, R_BPL3PTL,
1734 LOADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line])));
1735 }
1736 #if defined (GRF_ECS) || defined (GRF_AGA)
1737 CMOVE(tmp, R_DIWHIGH, 0x2000);
1738 #endif
1739 CMOVE(tmp, R_COP1LCH,
1740 HIADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD3])));
1741 CMOVE(tmp, R_COP1LCL,
1742 LOADDR(PREP_DMA_MEM(a24_this_data->frames[F_QD_STORE_QUAD3])));
1743 CEND(tmp);
1744 CEND(tmp);
1745
1746 tmp = find_copper_inst(a24_this_data->frames[F_QD_STORE_QUAD3],
1747 CI_MOVE(R_BPLMOD2));
1748 CBUMP(tmp);
1749 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(
1750 &plane[0][half_plane + HALF_2024_LINE])));
1751 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(
1752 &plane[0][half_plane + HALF_2024_LINE])));
1753 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(
1754 &plane[0][half_plane + full_line + HALF_2024_LINE])));
1755 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(
1756 &plane[0][half_plane + full_line + HALF_2024_LINE])));
1757 if (depth == 2) {
1758 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(
1759 &plane[1][half_plane + HALF_2024_LINE])));
1760 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(
1761 &plane[1][half_plane + HALF_2024_LINE])));
1762 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(
1763 &plane[1][half_plane + full_line + HALF_2024_LINE])));
1764 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(
1765 &plane[1][half_plane + full_line + HALF_2024_LINE])));
1766 }
1767 #if defined (GRF_ECS) || defined (GRF_AGA)
1768 CMOVE(tmp, R_DIWHIGH, 0x2000);
1769 #endif
1770 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(
1771 a24_this_data->frames[F_QD_STORE_QUAD0])));
1772 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(
1773 a24_this_data->frames[F_QD_STORE_QUAD0])));
1774 CEND(tmp);
1775 CEND(tmp);
1776
1777 /* swap new pointers in. */
1778 for (i = F_QD_STORE_QUAD0, j = F_QD_QUAD0;
1779 i <= F_QD_STORE_QUAD3; i++, j++) {
1780 cp = a24_this_data->frames[j];
1781 a24_this_data->frames[j] = a24_this_data->frames[i];
1782 a24_this_data->frames[i] = cp;
1783 }
1784
1785 a24_this_data->current_view = v;
1786 vd->flags |= VF_DISPLAY;
1787
1788 cc_a2024_use_colormap(v, vd->colormap);
1789 }
1790 cc_load_mode(a24_this);
1791 }
1792
1793 void
1794 a2024_mode_vbl_handler(d)
1795 dmode_t *d;
1796 {
1797 u_short vp = ((custom.vposr & 0x0007) << 8) | ((custom.vhposr) >> 8);
1798
1799 if (vp < 12) {
1800 custom.cop1lc =
1801 PREP_DMA_MEM(a24_this_data->frames[a24_this_data->hedley_current]);
1802 custom.copjmp1 = 0;
1803 }
1804 a24_this_data->hedley_current++;
1805 a24_this_data->hedley_current &= 0x3; /* if 4 then 0. */
1806 }
1807 #endif /* GRF_A2024 */
1808
1809 #if defined (GRF_AGA)
1810
1811 dmode_t *
1812 cc_init_ntsc_aga()
1813 {
1814 /* this function should only be called once. */
1815 if (!aga_this && (custom.deniseid & 0xff) == 0xf8 &&
1816 aga_enable & AGA_ENABLE) {
1817 u_short len = aga_copper_list_len;
1818
1819 aga_this = &aga_mode;
1820 aga_this_data = &aga_mode_data;
1821 bzero(aga_this, sizeof(dmode_t));
1822 bzero(aga_this_data, sizeof(dmdata_t));
1823
1824 aga_this->name = "ntsc: AGA dbl";
1825 aga_this->nominal_size.width = 640;
1826 aga_this->nominal_size.height = 400;
1827 aga_this_data->max_size.width = 724;
1828 aga_this_data->max_size.height = 482;
1829 aga_this_data->min_size.width = 320;
1830 aga_this_data->min_size.height = 200;
1831 aga_this_data->min_depth = 1;
1832 aga_this_data->max_depth = 8;
1833 aga_this->data = aga_this_data;
1834
1835 aga_this->get_monitor = cc_get_monitor;
1836 aga_this->alloc_view = cc_alloc_view;
1837 aga_this->get_current_view = cc_get_current_view;
1838
1839 aga_this_data->use_colormap = cc_use_aga_colormap;
1840 aga_this_data->get_colormap = cc_get_colormap;
1841 aga_this_data->alloc_colormap = cc_alloc_aga_colormap;
1842 aga_this_data->display_view = display_aga_view;
1843 aga_this_data->monitor = cc_monitor;
1844
1845 aga_this_data->frames = aga_frames;
1846 aga_this_data->frames[F_LONG] = alloc_chipmem(aga_copper_list_size * F_TOTAL);
1847 if (!aga_this_data->frames[F_LONG]) {
1848 panic("couldn't get chipmem for copper list");
1849 }
1850 aga_this_data->frames[F_STORE_LONG] = &aga_this_data->frames[F_LONG][len];
1851
1852 bcopy(aga_copper_list, aga_this_data->frames[F_STORE_LONG], aga_copper_list_size);
1853 bcopy(aga_copper_list, aga_this_data->frames[F_LONG], aga_copper_list_size);
1854
1855 aga_this_data->bplcon0 = 0x0240 | USE_CON3; /* color composite
1856 * enable,
1857 * shres. */
1858 #ifdef GRF_AGA_VGA
1859 aga_this_data->std_start_x = 0x40 /*STANDARD_VIEW_X*/;
1860 #else
1861 aga_this_data->std_start_x = 0x4f /*STANDARD_VIEW_X*/;
1862 #endif
1863 aga_this_data->std_start_y = 0x2b /*STANDARD_VIEW_Y*/;
1864 aga_this_data->vbl_handler = (vbl_handler_func *) cc_mode_vbl_handler;
1865 aga_this_data->beamcon0 = SPECIAL_BEAMCON ^ VSYNCTRUE;
1866
1867 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes,
1868 aga_this, link);
1869 }
1870 return (aga_this);
1871 }
1872
1873 /* static, so I can patch and play */
1874
1875 #ifdef GRF_AGA_VGA
1876 int AGA_htotal = 0x71;
1877 int AGA_hsstrt = 0xc;
1878 int AGA_hsstop = 0x16;
1879 int AGA_hbstrt = 0x5;
1880 #else
1881 int AGA_htotal = 0x79;
1882 int AGA_hsstrt = 0xe;
1883 int AGA_hsstop = 0x1c;
1884 int AGA_hbstrt = 0x8;
1885 #endif
1886 int AGA_hbstop = 0x1e;
1887 #ifdef GRF_AGA_VGA
1888 int AGA_vtotal = 0x1c1;
1889 #else
1890 int AGA_vtotal = 0x1ec;
1891 #endif
1892 int AGA_vsstrt = 0x3;
1893 int AGA_vsstop = 0x6;
1894 int AGA_vbstrt = 0x0;
1895 int AGA_vbstop = 0x19;
1896 int AGA_hcenter = 0x4a;
1897
1898 void
1899 display_aga_view(v)
1900 view_t *v;
1901 {
1902 if (aga_this_data->current_view != v) {
1903 vdata_t *vd = VDATA(v);
1904 cop_t *cp = aga_this_data->frames[F_STORE_LONG], *tmp;
1905 int depth = v->bitmap->depth, i;
1906 int hstart, hstop, vstart, vstop, j;
1907 int x, y, w = v->display.width, h = v->display.height;
1908 u_short ddfstart, ddfwidth, con1;
1909
1910 #ifdef DEBUG
1911 if (aga_enable & AGA_TRACE)
1912 printf("display_aga_view(%dx%dx%d) %p\n", w, h,
1913 depth, v);
1914 #endif
1915 /* round down to nearest even width */
1916 /* w &= 0xfffe; */
1917 /* calculate datafetch width. */
1918
1919 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 4) << 1;
1920
1921 /* this will center the any overscanned display */
1922 /* and allow user to modify. */
1923 x = v->display.x + aga_this_data->std_start_x - ((w - 640) >> 3);
1924 y = v->display.y + aga_this_data->std_start_y - ((h - 400) >> 1);
1925
1926 if (y & 1)
1927 y--;
1928
1929 if (!(x & 1))
1930 x--;
1931
1932 hstart = x;
1933 hstop = x + (w >> 2);
1934 vstart = y;
1935 vstop = y + (h >> 0);
1936 ddfstart = (hstart >> 1) - 8;
1937
1938 #ifdef DEBUG
1939 if (aga_enable & AGA_TRACE2) {
1940 printf (" ddfwidth %04x x %04x y %04x", ddfwidth,
1941 x, y);
1942 printf (" hstart %04x hstop %04x vstart %04x vstop %04x ddfstart %04x\n",
1943 hstart, hstop, vstart, vstop, ddfstart);
1944 }
1945 #endif
1946 /* check for hardware limits, AGA may allow more..? */
1947 /* anyone got a 4000 I can borrow :^) -ch */
1948 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
1949 int d = 0;
1950
1951 /* XXX anyone know the equality properties of
1952 * intermixed logial AND's */
1953 /* XXX and arithmetic operators? */
1954 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
1955 d++;
1956 }
1957
1958 ddfstart -= d;
1959 hstart -= d << 1;
1960 hstop -= d << 1;
1961 }
1962 /* correct the datafetch to proper limits. */
1963 /* delay the actual display of the data until we need it. */
1964 ddfstart &= 0xfffc;
1965 #ifdef DEBUG
1966 if (aga_enable & AGA_TRACE2) {
1967 printf (" ddfwidth %04x x %04x y %04x", ddfwidth,
1968 x, y);
1969 printf (" hstart %04x hstop %04x vstart %04x vstop %04x ddfstart %04x\n",
1970 hstart, hstop, vstart, vstop, ddfstart);
1971 }
1972 #endif
1973 con1 = ((hstart - 9) - (ddfstart << 1)) | (((hstart - 9) - (ddfstart << 1)) << 4);
1974
1975 if (aga_this_data->current_view) {
1976 VDATA(aga_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer */
1977 /* displayed. */
1978 }
1979 aga_this_data->current_view = v;
1980
1981 cp = aga_this_data->frames[F_STORE_LONG];
1982 tmp = cp;
1983 for (i = 0; i < 8; ++i) {
1984 if (tmp == NULL)
1985 break;
1986 tmp = find_copper_inst(tmp + 1, CI_MOVE(R_BPLCON3));
1987 if (tmp == NULL)
1988 break;
1989 tmp->cp.inst.operand = 0x0ca1 | (i << 13);
1990 tmp = find_copper_inst(tmp + 1, CI_MOVE(R_BPLCON3));
1991 if (tmp == NULL)
1992 break;
1993 tmp->cp.inst.operand = 0x0ea1 | (i << 13);
1994 }
1995 if (tmp)
1996 tmp = find_copper_inst(tmp + 1, CI_MOVE(R_BPLCON3));
1997 if (tmp)
1998 tmp->cp.inst.operand = 0x0ca1;
1999 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
2000 tmp->cp.inst.operand = 0x8003;
2001 tmp = find_copper_inst(cp, CI_MOVE(R_HTOTAL));
2002 tmp->cp.inst.operand = AGA_htotal; /* 81/71/73/79? */
2003 tmp = find_copper_inst(cp, CI_MOVE(R_HBSTRT));
2004 tmp->cp.inst.operand = AGA_hbstrt; /* 0x0008 */
2005 tmp = find_copper_inst(cp, CI_MOVE(R_HSSTRT));
2006 tmp->cp.inst.operand = AGA_hsstrt; /* 0x000e */
2007 tmp = find_copper_inst(cp, CI_MOVE(R_HSSTOP));
2008 tmp->cp.inst.operand = AGA_hsstop; /* 0x001c */
2009 tmp = find_copper_inst(cp, CI_MOVE(R_HBSTOP));
2010 tmp->cp.inst.operand = AGA_hsstop; /* 0x001e */
2011 tmp = find_copper_inst(cp, CI_MOVE(R_HCENTER));
2012 tmp->cp.inst.operand = AGA_hcenter; /*AGA_htotal / 2 + AGA_hsstrt */
2013 tmp = find_copper_inst(cp, CI_MOVE(R_VBSTRT));
2014 tmp->cp.inst.operand = AGA_vbstrt; /* 0x0000 */
2015 tmp = find_copper_inst(cp, CI_MOVE(R_VSSTRT));
2016 tmp->cp.inst.operand = AGA_vsstrt; /* 0x016b / AGA_htotal */
2017 tmp = find_copper_inst(cp, CI_MOVE(R_VSSTOP));
2018 tmp->cp.inst.operand = AGA_vsstop; /* 0x02d6 / AGA_htotal */
2019 tmp = find_copper_inst(cp, CI_MOVE(R_VBSTOP));
2020 tmp->cp.inst.operand = AGA_vbstop; /* 0x0bd1 / AGA_htotal */
2021 tmp = find_copper_inst(cp, CI_MOVE(R_VTOTAL));
2022 tmp->cp.inst.operand = AGA_vtotal;
2023 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
2024 tmp->cp.inst.operand = aga_this_data->beamcon0;
2025 #ifdef DEBUG
2026 if (aga_enable & AGA_TRACE2)
2027 printf(" beamcon0 %04x", tmp->cp.inst.operand);
2028 #endif
2029 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
2030 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
2031 #ifdef DEBUG
2032 if (aga_enable & AGA_TRACE2)
2033 printf(" diwhigh %04x>", tmp->cp.inst.operand);
2034 #endif
2035 #if 0
2036 tmp->cp.inst.operand = (vstop & 0x0700) | ((hstop & 0x0100) << 5);
2037 #endif
2038 #ifdef DEBUG
2039 if (aga_enable & AGA_TRACE2)
2040 printf("%04x", tmp->cp.inst.operand);
2041 #endif
2042 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
2043 tmp->cp.inst.operand = aga_this_data->bplcon0 |
2044 ((depth & 0x7) << 12) | ((depth & 0x8) << 1);
2045 #ifdef DEBUG
2046 if (aga_enable & AGA_TRACE2)
2047 printf(" bplcon0 %04x", tmp->cp.inst.operand);
2048 #endif
2049 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
2050 tmp->cp.inst.operand = con1;
2051 #ifdef DEBUG
2052 if (aga_enable & AGA_TRACE2)
2053 printf(" bplcon1 %04x>0000\n", con1);
2054 #endif
2055 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
2056 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
2057 #ifdef DEBUG
2058 if (aga_enable & AGA_TRACE2)
2059 printf(" diwstart %04x", tmp->cp.inst.operand);
2060 #endif
2061 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
2062 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
2063 #ifdef DEBUG
2064 if (aga_enable & AGA_TRACE2)
2065 printf(" diwstop %04x", tmp->cp.inst.operand);
2066 #endif
2067 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
2068 tmp->cp.inst.operand = ddfstart;
2069 #ifdef DEBUG
2070 if (aga_enable & AGA_TRACE2)
2071 printf(" ddfstart %04x", tmp->cp.inst.operand);
2072 #endif
2073 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
2074 tmp->cp.inst.operand = ddfstart + ddfwidth;
2075 #ifdef DEBUG
2076 if (aga_enable & AGA_TRACE2)
2077 printf(" ddfstop %04x", tmp->cp.inst.operand);
2078 #endif
2079
2080 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2081 for (i = 0, j = 0; i < depth; j += 2, i++) {
2082 /* update the plane pointers */
2083 tmp[j].cp.inst.operand = HIADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
2084 tmp[j + 1].cp.inst.operand = LOADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
2085 #ifdef DEBUG
2086 if (aga_enable & AGA_TRACE2)
2087 printf (" bpl%dpth %p", i, v->bitmap->plane[i]);
2088 #endif
2089 }
2090
2091 /* set mods correctly. */
2092 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
2093 tmp[0].cp.inst.operand = v->bitmap->row_mod;
2094 tmp[1].cp.inst.operand = v->bitmap->row_mod;
2095 #ifdef DEBUG
2096 if (aga_enable & AGA_TRACE2)
2097 printf(" bplxmod %04x\n", v->bitmap->row_mod);
2098 #endif
2099
2100 /* set next pointers correctly */
2101 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2102 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(aga_this_data->frames[F_STORE_LONG]));
2103 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(aga_this_data->frames[F_STORE_LONG]));
2104
2105 cp = aga_this_data->frames[F_LONG];
2106 aga_this_data->frames[F_LONG] = aga_this_data->frames[F_STORE_LONG];
2107 aga_this_data->frames[F_STORE_LONG] = cp;
2108
2109 vd->flags |= VF_DISPLAY;
2110
2111 cc_use_aga_colormap(v, vd->colormap);
2112 }
2113 cc_load_mode(aga_this);
2114 #ifdef DEBUG
2115 if (aga_enable & AGA_TRACE)
2116 aga_enable |= AGA_TRACE2; /* XXXX */
2117 #endif
2118 }
2119
2120 /*
2121 * SUPER72 Mode
2122 */
2123
2124 #if defined (GRF_SUPER72)
2125 dmode_t *
2126 cc_init_super72()
2127 {
2128 /* this function should only be called once. */
2129 if (!super72_this && (custom.deniseid & 0xff) == 0xf8) {
2130 u_short len = aga_copper_list_len;
2131
2132 super72_this = &super72_mode;
2133 super72_this_data = &super72_mode_data;
2134 bzero(super72_this, sizeof(dmode_t));
2135 bzero(super72_this_data, sizeof(dmdata_t));
2136
2137 super72_this->name = "super72: superhires interlace";
2138 super72_this->nominal_size.width = 800;
2139 super72_this->nominal_size.height = 600;
2140 super72_this_data->max_size.width = 848;
2141 super72_this_data->max_size.height = 614;
2142 super72_this_data->min_size.width = 320;
2143 super72_this_data->min_size.height = 484;
2144 super72_this_data->min_depth = 1;
2145 super72_this_data->max_depth = 8;
2146 super72_this->data = super72_this_data;
2147
2148 super72_this->get_monitor = cc_get_monitor;
2149 super72_this->alloc_view = cc_alloc_view;
2150 super72_this->get_current_view = cc_get_current_view;
2151
2152 super72_this_data->use_colormap = cc_use_aga_colormap;
2153 super72_this_data->get_colormap = cc_get_colormap;
2154 super72_this_data->alloc_colormap = cc_alloc_aga_colormap;
2155 super72_this_data->display_view = display_super72_view;
2156 super72_this_data->monitor = cc_monitor;
2157
2158 super72_this_data->flags |= DMF_INTERLACE;
2159
2160 super72_this_data->frames = super72_frames; /* MAY NEED TO CHANGE COPLIST */
2161 super72_this_data->frames[F_LACE_LONG] =
2162 alloc_chipmem(aga_copper_list_size * F_LACE_TOTAL);
2163 if (!super72_this_data->frames[F_LACE_LONG]) {
2164 panic("couldn't get chipmem for copper list");
2165 }
2166 super72_this_data->frames[F_LACE_SHORT] =
2167 &super72_this_data->frames[F_LACE_LONG][len];
2168 super72_this_data->frames[F_LACE_STORE_LONG] =
2169 &super72_this_data->frames[F_LACE_SHORT][len];
2170 super72_this_data->frames[F_LACE_STORE_SHORT] =
2171 &super72_this_data->frames[F_LACE_STORE_LONG][len];
2172
2173 bcopy(aga_copper_list,
2174 super72_this_data->frames[F_LACE_STORE_LONG],
2175 aga_copper_list_size);
2176 bcopy(aga_copper_list,
2177 super72_this_data->frames[F_LACE_STORE_SHORT],
2178 aga_copper_list_size);
2179 bcopy(aga_copper_list,
2180 super72_this_data->frames[F_LACE_LONG],
2181 aga_copper_list_size);
2182 bcopy(aga_copper_list,
2183 super72_this_data->frames[F_LACE_SHORT],
2184 aga_copper_list_size);
2185
2186 super72_this_data->bplcon0 = 0x0244 | USE_CON3; /* color
2187 * composite enable,
2188 * shres
2189 * lace. */
2190 #if 0 /* patchable variables for testing */
2191 super72_this_data->std_start_x = 0x6c;
2192 super72_this_data->std_start_y = 0x1b;
2193 #endif
2194 super72_this_data->vbl_handler =
2195 (vbl_handler_func *) cc_lace_mode_vbl_handler;
2196 super72_this_data->beamcon0 = (SPECIAL_BEAMCON ^ VSYNCTRUE) |
2197 DISPLAYPAL | 0x4000;
2198 super72_this_data->beamcon0 = 0x5bb0;
2199
2200 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, super72_this, link);
2201 }
2202 return (super72_this);
2203 }
2204
2205 /* Super72 83Hz hack monitor values */
2206 /*int super72_htotal = 0x083;
2207 int super72_hsstrt = 0x00d;
2208 int super72_hsstop = 0x01b;
2209 int super72_hbstrt = 0x001;
2210 int super72_hbstop = 0x021;
2211 int super72_vtotal = 0x148;
2212 int super72_vsstrt = 0x2d5;
2213 int super72_vsstop = 0x3ca;
2214 int super72_vbstrt = 0x000;
2215 int super72_vbstop = 0xfdc;
2216 int super72_hcenter = 0x04e;
2217 */
2218
2219 /* Super72 standard monitor values */
2220 int super72_htotal = 154; /* 0x099*/
2221 int super72_hsstrt = 17; /* 0x01c*/
2222 int super72_hsstop = 27; /* 0x038*/
2223 int super72_hbstrt = 154; /* 0x008*/
2224 int super72_hbstop = 55; /* 0x01e*/
2225 int super72_vtotal = 328; /* 0x147*/
2226 int super72_vsstrt = 11; /* 0x030*/
2227 int super72_vsstop = 18; /* 0x033*/
2228 int super72_vbstrt = 327; /* 0x000*/
2229 int super72_vbstop = 27; /* 0x019*/
2230 int super72_hcenter = 94; /* 0x057*/
2231 int super72_startx = 100;
2232 int super72_starty = 27;
2233
2234 void
2235 display_super72_view(v)
2236 view_t *v;
2237 {
2238 if (super72_this_data->current_view != v) {
2239 vdata_t *vd = VDATA(v);
2240 cop_t *cp = super72_this_data->frames[F_LACE_STORE_LONG], *tmp;
2241 int depth = v->bitmap->depth, i;
2242 int hstart, hstop, vstart, vstop, j;
2243 int x, y, w = v->display.width, h = v->display.height;
2244 u_short ddfstart, ddfwidth, con1;
2245
2246 /* round down to nearest even width */
2247 /* w &= 0xfffe; */
2248
2249 /* calculate datafetch width. */
2250 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 4) << 1;
2251
2252 /* This will center any overscanned display */
2253 /* and allow user to modify. */
2254 x = (v->display.x >> 1) + super72_startx - ((w - 800) >> 3);
2255 y = v->display.y + super72_starty - ((h - 600) >> 2);
2256
2257 hstart = x;
2258 hstop = x + (w >> 2);
2259 vstart = y;
2260 vstop = y + (h >> 1);
2261 ddfstart = (hstart >> 1) - 16;
2262
2263 ddfstart = (hstart << 2) - 4;
2264 con1 = ddfstart & 63;
2265 ddfstart = (ddfstart & -64) - 64;
2266 ddfwidth = ((w + 64 - 1) & -64) - 64;
2267 ddfwidth = ddfwidth >> 3;
2268 ddfstart = ddfstart >> 3;
2269 super72_hbstrt = ((x << 2) + w + 4) >> 3;
2270 super72_hbstop = (hstart + 1) >> 1;
2271 super72_vbstrt = vstop;
2272 super72_vbstop = vstart - 2;
2273
2274 if ((hstop >> 1) > super72_htotal) {
2275 int d;
2276
2277 d = (hstop >> 1) - super72_htotal;
2278 ddfstart -= d;
2279 hstart -= d << 1;
2280 hstop -= d << 1;
2281 }
2282 if (vstop >= super72_vtotal) {
2283 int d;
2284 d = (vstop - super72_vtotal + 1);
2285 vstart -= d;
2286 vstop -= d;
2287 }
2288 con1 = ((con1 >> 2) & 0x000f) | /* PF1H2-PF1H5 */
2289 ((con1 << 8) & 0x0300) | /* PF1H0-PF1H2 */
2290 ((con1 << 4) & 0x0c00); /* PF1H6-PF1H7 */
2291 con1 |= con1 << 4; /* PF2H2-PF2H7 */
2292
2293 if (super72_this_data->current_view) {
2294 VDATA(super72_this_data->current_view)->flags &=
2295 ~VF_DISPLAY; /* mark as no longer */
2296 /* displayed. */
2297 }
2298 super72_this_data->current_view = v;
2299
2300 cp = super72_this_data->frames[F_LACE_STORE_LONG];
2301 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
2302 tmp->cp.inst.operand = 0x8003;
2303 tmp = find_copper_inst(cp, CI_MOVE(R_HTOTAL));
2304 tmp->cp.inst.operand = super72_htotal;
2305 tmp = find_copper_inst(cp, CI_MOVE(R_HBSTRT));
2306 tmp->cp.inst.operand = super72_hbstrt;
2307 tmp = find_copper_inst(cp, CI_MOVE(R_HSSTRT));
2308 tmp->cp.inst.operand = super72_hsstrt;
2309 tmp = find_copper_inst(cp, CI_MOVE(R_HSSTOP));
2310 tmp->cp.inst.operand = super72_hsstop;
2311 tmp = find_copper_inst(cp, CI_MOVE(R_HBSTOP));
2312 tmp->cp.inst.operand = super72_hbstop;
2313 tmp = find_copper_inst(cp, CI_MOVE(R_HCENTER));
2314 tmp->cp.inst.operand = super72_hcenter;
2315 tmp = find_copper_inst(cp, CI_MOVE(R_VBSTRT));
2316 tmp->cp.inst.operand = super72_vbstrt;
2317 tmp = find_copper_inst(cp, CI_MOVE(R_VSSTRT));
2318 tmp->cp.inst.operand = super72_vsstrt;
2319 tmp = find_copper_inst(cp, CI_MOVE(R_VSSTOP));
2320 tmp->cp.inst.operand = super72_vsstop;
2321 tmp = find_copper_inst(cp, CI_MOVE(R_VBSTOP));
2322 tmp->cp.inst.operand = super72_vbstop;
2323 tmp = find_copper_inst(cp, CI_MOVE(R_VTOTAL));
2324 tmp->cp.inst.operand = super72_vtotal;
2325
2326 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
2327 tmp->cp.inst.operand = super72_this_data->beamcon0;
2328 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
2329 tmp->cp.inst.operand =
2330 CALC_DIWHIGH(hstart, vstart, hstop, vstop);
2331 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
2332 tmp->cp.inst.operand = super72_this_data->bplcon0 |
2333 ((depth & 0x7) << 12) | ((depth & 0x8) << 1);
2334 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
2335 tmp->cp.inst.operand = con1;
2336 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
2337 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
2338 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
2339 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
2340 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
2341 tmp->cp.inst.operand = ddfstart;
2342 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
2343 tmp->cp.inst.operand = ddfstart + ddfwidth;
2344
2345 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2346 for (i = 0, j = 0; i < depth; j += 2, i++) {
2347 /* update the plane pointers */
2348 tmp[j].cp.inst.operand =
2349 HIADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
2350 tmp[j + 1].cp.inst.operand =
2351 LOADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
2352 }
2353
2354 /* set mods correctly. */
2355 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
2356 tmp[0].cp.inst.operand = v->bitmap->bytes_per_row +
2357 v->bitmap->row_mod;
2358 tmp[1].cp.inst.operand = v->bitmap->bytes_per_row +
2359 v->bitmap->row_mod;
2360
2361 /* set next pointers correctly */
2362 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2363 tmp[0].cp.inst.operand =
2364 HIADDR(PREP_DMA_MEM(super72_this_data->frames[F_LACE_STORE_SHORT]));
2365 tmp[1].cp.inst.operand =
2366 LOADDR(PREP_DMA_MEM(super72_this_data->frames[F_LACE_STORE_SHORT]));
2367
2368 bcopy(super72_this_data->frames[F_LACE_STORE_LONG],
2369 super72_this_data->frames[F_LACE_STORE_SHORT],
2370 aga_copper_list_size);
2371
2372 /* these are the only ones that are different from long frame. */
2373 cp = super72_this_data->frames[F_LACE_STORE_SHORT];
2374 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2375 for (i = 0, j = 0; i < depth; j += 2, i++) {
2376 u_short mod = v->bitmap->bytes_per_row +
2377 v->bitmap->row_mod;
2378 /* update plane pointers. high and low. */
2379 tmp[j].cp.inst.operand =
2380 HIADDR(PREP_DMA_MEM(&v->bitmap->plane[i][mod]));
2381 tmp[j + 1].cp.inst.operand =
2382 LOADDR(PREP_DMA_MEM(&v->bitmap->plane[i][mod]));
2383 }
2384
2385 /* set next pointers correctly */
2386 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2387 tmp[0].cp.inst.operand =
2388 HIADDR(PREP_DMA_MEM(super72_this_data->frames[F_LACE_STORE_LONG]));
2389 tmp[1].cp.inst.operand =
2390 LOADDR(PREP_DMA_MEM(super72_this_data->frames[F_LACE_STORE_LONG]));
2391
2392 cp = super72_this_data->frames[F_LACE_LONG];
2393 super72_this_data->frames[F_LACE_LONG] =
2394 super72_this_data->frames[F_LACE_STORE_LONG];
2395 super72_this_data->frames[F_LACE_STORE_LONG] = cp;
2396
2397 cp = super72_this_data->frames[F_LACE_SHORT];
2398 super72_this_data->frames[F_LACE_SHORT] =
2399 super72_this_data->frames[F_LACE_STORE_SHORT];
2400 super72_this_data->frames[F_LACE_STORE_SHORT] = cp;
2401
2402 vd->flags |= VF_DISPLAY;
2403 cc_use_aga_colormap(v, vd->colormap);
2404 }
2405 cc_load_mode(super72_this);
2406 }
2407 #endif /* GRF_SUPER72 */
2408
2409 #endif /* GRF_AGA */
2410 #endif /* GRF_NTSC */
2411
2412 /*
2413 * PAL modes.
2414 */
2415
2416 #if defined (GRF_PAL)
2417
2418 dmode_t *
2419 cc_init_pal_hires()
2420 {
2421 /* this function should only be called once. */
2422 if (!ph_this) {
2423 u_short len = std_copper_list_len;
2424
2425 ph_this = &pal_hires_mode;
2426 ph_this_data = &pal_hires_mode_data;
2427 bzero(ph_this, sizeof(dmode_t));
2428 bzero(ph_this_data, sizeof(dmdata_t));
2429
2430 ph_this->name = "pal: hires";
2431 ph_this->nominal_size.width = 640;
2432 ph_this->nominal_size.height = 256;
2433 ph_this_data->max_size.width = 724;
2434 ph_this_data->max_size.height = 289;
2435 ph_this_data->min_size.width = 320;
2436 ph_this_data->min_size.height = 244;
2437 ph_this_data->min_depth = 1;
2438 ph_this_data->max_depth = 4;
2439 ph_this->data = ph_this_data;
2440
2441 ph_this->get_monitor = cc_get_monitor;
2442 ph_this->alloc_view = cc_alloc_view;
2443 ph_this->get_current_view = cc_get_current_view;
2444
2445 ph_this_data->use_colormap = cc_use_colormap;
2446 ph_this_data->get_colormap = cc_get_colormap;
2447 ph_this_data->alloc_colormap = cc_alloc_colormap;
2448 ph_this_data->display_view = display_pal_hires_view;
2449 ph_this_data->monitor = cc_monitor;
2450
2451 ph_this_data->frames = pal_hires_frames;
2452 ph_this_data->frames[F_LONG] = alloc_chipmem(std_copper_list_size * F_TOTAL);
2453 if (!ph_this_data->frames[F_LONG]) {
2454 panic("couldn't get chipmem for copper list");
2455 }
2456 ph_this_data->frames[F_STORE_LONG] = &ph_this_data->frames[F_LONG][len];
2457
2458 bcopy(std_copper_list, ph_this_data->frames[F_STORE_LONG], std_copper_list_size);
2459 bcopy(std_copper_list, ph_this_data->frames[F_LONG], std_copper_list_size);
2460
2461 ph_this_data->bplcon0 = 0x8200 | USE_CON3; /* pal_hires, color
2462 * composite enable,
2463 * lace. */
2464 ph_this_data->std_start_x = STANDARD_VIEW_X;
2465 ph_this_data->std_start_y = STANDARD_VIEW_Y;
2466 ph_this_data->vbl_handler = (vbl_handler_func *) cc_mode_vbl_handler;
2467 #if defined (GRF_ECS) || defined (GRF_AGA)
2468 ph_this_data->beamcon0 = STANDARD_PAL_BEAMCON;
2469 #endif
2470
2471 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, ph_this, link);
2472 }
2473 return (ph_this);
2474 }
2475
2476 void
2477 display_pal_hires_view(v)
2478 view_t *v;
2479 {
2480 if (ph_this_data->current_view != v) {
2481 vdata_t *vd = VDATA(v);
2482 cop_t *cp = ph_this_data->frames[F_STORE_LONG], *tmp;
2483 int depth = v->bitmap->depth, i;
2484 int hstart, hstop, vstart, vstop, j;
2485 int x, y, w = v->display.width, h = v->display.height;
2486 u_short ddfstart, ddfwidth, con1;
2487
2488 /* round down to nearest even width */
2489 /* w &= 0xfffe; */
2490
2491 /* calculate datafetch width. */
2492 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 2) << 2;
2493
2494 /* This will center the any overscanned display */
2495 /* and allow user to modify. */
2496 x = v->display.x + ph_this_data->std_start_x - ((w - 640) >> 2);
2497 y = v->display.y + ph_this_data->std_start_y - ((h - 256) >> 1);
2498
2499 if (y & 1)
2500 y--;
2501
2502 if (!(x & 1))
2503 x--;
2504
2505 hstart = x;
2506 hstop = x + (w >> 1);
2507 vstart = y;
2508 vstop = y + h;
2509 ddfstart = (hstart - 9) >> 1;
2510 /* check for hardware limits, AGA may allow more..? */
2511 /* anyone got a 4000 I can borrow :^) -ch */
2512 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
2513 int d = 0;
2514
2515 /* XXX anyone know the equality properties of
2516 * intermixed logial AND's */
2517 /* XXX and arithmetic operators? */
2518 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
2519 d++;
2520 }
2521
2522 ddfstart -= d;
2523 hstart -= d << 1;
2524 hstop -= d << 1;
2525 }
2526 /* correct the datafetch to proper limits. */
2527 /* delay the actual display of the data until we need it. */
2528 ddfstart &= 0xfffc;
2529 con1 = ((hstart - 9) - (ddfstart << 1)) | (((hstart - 9) - (ddfstart << 1)) << 4);
2530
2531 if (ph_this_data->current_view) {
2532 VDATA(ph_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer */
2533 /* displayed. */
2534 }
2535 ph_this_data->current_view = v;
2536
2537 cp = ph_this_data->frames[F_STORE_LONG];
2538 #if defined (GRF_ECS) || defined (GRF_AGA)
2539 #if defined GRF_AGA
2540 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
2541 tmp->cp.inst.operand = 0;
2542 #endif
2543 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
2544 tmp->cp.inst.operand = ph_this_data->beamcon0;
2545 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
2546 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
2547 #endif /* ECS */
2548 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
2549 tmp->cp.inst.operand = ph_this_data->bplcon0 | ((depth & 0x7) << 12);
2550 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
2551 tmp->cp.inst.operand = con1;
2552 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
2553 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
2554 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
2555 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
2556 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
2557 tmp->cp.inst.operand = ddfstart;
2558 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
2559 tmp->cp.inst.operand = ddfstart + ddfwidth;
2560
2561 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2562 for (i = 0, j = 0; i < depth; j += 2, i++) {
2563 /* update the plane pointers */
2564 tmp[j].cp.inst.operand = HIADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
2565 tmp[j + 1].cp.inst.operand = LOADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
2566 }
2567
2568 /* set mods correctly. */
2569 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
2570 tmp[0].cp.inst.operand = v->bitmap->row_mod;
2571 tmp[1].cp.inst.operand = v->bitmap->row_mod;
2572
2573 /* set next pointers correctly */
2574 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2575 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(ph_this_data->frames[F_STORE_LONG]));
2576 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(ph_this_data->frames[F_STORE_LONG]));
2577
2578 cp = ph_this_data->frames[F_LONG];
2579 ph_this_data->frames[F_LONG] = ph_this_data->frames[F_STORE_LONG];
2580 ph_this_data->frames[F_STORE_LONG] = cp;
2581
2582 vd->flags |= VF_DISPLAY;
2583 cc_use_colormap(v, vd->colormap);
2584 }
2585 cc_load_mode(ph_this);
2586 }
2587
2588 dmode_t *
2589 cc_init_pal_hires_lace()
2590 {
2591 /* this function should only be called once. */
2592 if (!phl_this) {
2593 u_short len = std_copper_list_len;
2594
2595 phl_this = &pal_hires_lace_mode;
2596 phl_this_data = &pal_hires_lace_mode_data;
2597 bzero(phl_this, sizeof(dmode_t));
2598 bzero(phl_this_data, sizeof(dmdata_t));
2599
2600 phl_this->name = "pal: hires interlace";
2601 phl_this->nominal_size.width = 640;
2602 phl_this->nominal_size.height = 512;
2603 phl_this_data->max_size.width = 724;
2604 phl_this_data->max_size.height = 578;
2605 phl_this_data->min_size.width = 320;
2606 phl_this_data->min_size.height = 484;
2607 phl_this_data->min_depth = 1;
2608 phl_this_data->max_depth = 4;
2609 phl_this->data = phl_this_data;
2610
2611 phl_this->get_monitor = cc_get_monitor;
2612 phl_this->alloc_view = cc_alloc_view;
2613 phl_this->get_current_view = cc_get_current_view;
2614
2615 phl_this_data->use_colormap = cc_use_colormap;
2616 phl_this_data->get_colormap = cc_get_colormap;
2617 phl_this_data->alloc_colormap = cc_alloc_colormap;
2618 phl_this_data->display_view = display_pal_hires_lace_view;
2619 phl_this_data->monitor = cc_monitor;
2620
2621 phl_this_data->flags |= DMF_INTERLACE;
2622
2623 phl_this_data->frames = pal_hires_lace_frames;
2624 phl_this_data->frames[F_LACE_LONG] = alloc_chipmem(std_copper_list_size * F_LACE_TOTAL);
2625 if (!phl_this_data->frames[F_LACE_LONG]) {
2626 panic("couldn't get chipmem for copper list");
2627 }
2628 phl_this_data->frames[F_LACE_SHORT] = &phl_this_data->frames[F_LACE_LONG][len];
2629 phl_this_data->frames[F_LACE_STORE_LONG] = &phl_this_data->frames[F_LACE_SHORT][len];
2630 phl_this_data->frames[F_LACE_STORE_SHORT] = &phl_this_data->frames[F_LACE_STORE_LONG][len];
2631
2632 bcopy(std_copper_list, phl_this_data->frames[F_LACE_STORE_LONG], std_copper_list_size);
2633 bcopy(std_copper_list, phl_this_data->frames[F_LACE_STORE_SHORT], std_copper_list_size);
2634 bcopy(std_copper_list, phl_this_data->frames[F_LACE_LONG], std_copper_list_size);
2635 bcopy(std_copper_list, phl_this_data->frames[F_LACE_SHORT], std_copper_list_size);
2636
2637 phl_this_data->bplcon0 = 0x8204 | USE_CON3; /* hires, color
2638 * composite enable,
2639 * lace. */
2640 phl_this_data->std_start_x = STANDARD_VIEW_X;
2641 phl_this_data->std_start_y = STANDARD_VIEW_Y;
2642 phl_this_data->vbl_handler = (vbl_handler_func *) cc_lace_mode_vbl_handler;
2643 #if defined (GRF_ECS) || defined (GRF_AGA)
2644 phl_this_data->beamcon0 = STANDARD_PAL_BEAMCON;
2645 #endif
2646
2647 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, phl_this, link);
2648 }
2649 return (phl_this);
2650 }
2651
2652 void
2653 display_pal_hires_lace_view(v)
2654 view_t *v;
2655 {
2656 if (phl_this_data->current_view != v) {
2657 vdata_t *vd = VDATA(v);
2658 cop_t *cp = phl_this_data->frames[F_LACE_STORE_LONG], *tmp;
2659 int depth = v->bitmap->depth, i;
2660 int hstart, hstop, vstart, vstop, j;
2661 int x, y, w = v->display.width, h = v->display.height;
2662 u_short ddfstart, ddfwidth, con1;
2663
2664 /* round down to nearest even width */
2665 /* w &= 0xfffe; */
2666
2667 /* calculate datafetch width. */
2668 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 2) << 2;
2669
2670 /* This will center the any overscanned display */
2671 /* and allow user to modify. */
2672 x = v->display.x + phl_this_data->std_start_x - ((w - 640) >> 2);
2673 y = v->display.y + phl_this_data->std_start_y - ((h - 512) >> 2);
2674
2675 if (y & 1)
2676 y--;
2677
2678 if (!(x & 1))
2679 x--;
2680
2681 hstart = x;
2682 hstop = x + (w >> 1);
2683 vstart = y;
2684 vstop = y + (h >> 1);
2685 ddfstart = (hstart - 9) >> 1;
2686
2687 /* check for hardware limits, AGA may allow more..? */
2688 /* anyone got a 4000 I can borrow :^) -ch */
2689 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
2690 int d = 0;
2691
2692 /* XXX anyone know the equality properties of
2693 * intermixed logial AND's */
2694 /* XXX and arithmetic operators? */
2695 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
2696 d++;
2697 }
2698
2699 ddfstart -= d;
2700 hstart -= d << 1;
2701 hstop -= d << 1;
2702 }
2703 /* correct the datafetch to proper limits. */
2704 /* delay the actual display of the data until we need it. */
2705 ddfstart &= 0xfffc;
2706 con1 = ((hstart - 9) - (ddfstart << 1)) | (((hstart - 9) - (ddfstart << 1)) << 4);
2707
2708 if (phl_this_data->current_view) {
2709 VDATA(phl_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer */
2710 /* displayed. */
2711 }
2712 phl_this_data->current_view = v;
2713
2714 cp = phl_this_data->frames[F_LACE_STORE_LONG];
2715 #if defined (GRF_ECS) || defined (GRF_AGA)
2716 #if defined GRF_AGA
2717 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
2718 tmp->cp.inst.operand = 0;
2719 #endif
2720 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
2721 tmp->cp.inst.operand = phl_this_data->beamcon0;
2722 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
2723 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
2724 #endif /* ECS */
2725 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
2726 tmp->cp.inst.operand = phl_this_data->bplcon0 | ((depth & 0x7) << 12);
2727 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
2728 tmp->cp.inst.operand = con1;
2729 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
2730 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
2731 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
2732 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
2733 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
2734 tmp->cp.inst.operand = ddfstart;
2735 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
2736 tmp->cp.inst.operand = ddfstart + ddfwidth;
2737
2738 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2739 for (i = 0, j = 0; i < depth; j += 2, i++) {
2740 /* update the plane pointers */
2741 tmp[j].cp.inst.operand = HIADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
2742 tmp[j + 1].cp.inst.operand = LOADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
2743 }
2744
2745 /* set mods correctly. */
2746 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
2747 tmp[0].cp.inst.operand = v->bitmap->bytes_per_row + v->bitmap->row_mod;
2748 tmp[1].cp.inst.operand = v->bitmap->bytes_per_row + v->bitmap->row_mod;
2749
2750 /* set next pointers correctly */
2751 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2752 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(phl_this_data->frames[F_LACE_STORE_SHORT]));
2753 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(phl_this_data->frames[F_LACE_STORE_SHORT]));
2754
2755
2756 bcopy(phl_this_data->frames[F_LACE_STORE_LONG], phl_this_data->frames[F_LACE_STORE_SHORT], std_copper_list_size);
2757
2758 /* these are the only ones that are different from long frame. */
2759 cp = phl_this_data->frames[F_LACE_STORE_SHORT];
2760 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2761 for (i = 0, j = 0; i < depth; j += 2, i++) {
2762 u_short mod = v->bitmap->bytes_per_row + v->bitmap->row_mod;
2763 /* update plane pointers. high and low. */
2764 tmp[j].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[i][mod]));
2765 tmp[j + 1].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[i][mod]));
2766 }
2767
2768 /* set next pointers correctly */
2769 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2770 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(phl_this_data->frames[F_LACE_STORE_LONG]));
2771 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(phl_this_data->frames[F_LACE_STORE_LONG]));
2772
2773
2774 cp = phl_this_data->frames[F_LACE_LONG];
2775 phl_this_data->frames[F_LACE_LONG] = phl_this_data->frames[F_LACE_STORE_LONG];
2776 phl_this_data->frames[F_LACE_STORE_LONG] = cp;
2777
2778 cp = phl_this_data->frames[F_LACE_SHORT];
2779 phl_this_data->frames[F_LACE_SHORT] = phl_this_data->frames[F_LACE_STORE_SHORT];
2780 phl_this_data->frames[F_LACE_STORE_SHORT] = cp;
2781
2782 vd->flags |= VF_DISPLAY;
2783 cc_use_colormap(v, vd->colormap);
2784 }
2785 cc_load_mode(phl_this);
2786 }
2787 #if defined (GRF_A2024)
2788
2789 dmode_t *
2790 cc_init_pal_hires_dlace()
2791 {
2792 /* this function should only be called once. */
2793 if (!phdl_this) {
2794 u_short len = std_dlace_copper_list_len;
2795
2796 phdl_this = &pal_hires_dlace_mode;
2797 phdl_this_data = &pal_hires_dlace_mode_data;
2798 bzero(phdl_this, sizeof(dmode_t));
2799 bzero(phdl_this_data, sizeof(dmdata_t));
2800
2801 phdl_this->name = "pal: hires double interlace";
2802 phdl_this->nominal_size.width = 640;
2803 phdl_this->nominal_size.height = 1024;
2804 phdl_this_data->max_size.width = 724;
2805 phdl_this_data->max_size.height = 1024;
2806 phdl_this_data->min_size.width = 320;
2807 phdl_this_data->min_size.height = 512;
2808 phdl_this_data->min_depth = 1;
2809 phdl_this_data->max_depth = 2;
2810 phdl_this->data = phdl_this_data;
2811
2812 phdl_this->get_monitor = cc_get_monitor;
2813 phdl_this->alloc_view = cc_alloc_view;
2814 phdl_this->get_current_view = cc_get_current_view;
2815
2816 phdl_this_data->use_colormap = cc_a2024_use_colormap;
2817 phdl_this_data->get_colormap = cc_a2024_get_colormap;
2818 phdl_this_data->alloc_colormap = cc_a2024_alloc_colormap;
2819 phdl_this_data->display_view = display_pal_hires_dlace_view;
2820 phdl_this_data->monitor = cc_monitor;
2821
2822 phdl_this_data->flags |= DMF_INTERLACE;
2823
2824 phdl_this_data->frames = pal_hires_dlace_frames;
2825 phdl_this_data->frames[F_LACE_LONG] = alloc_chipmem(std_dlace_copper_list_size * F_LACE_TOTAL);
2826 if (!phdl_this_data->frames[F_LACE_LONG]) {
2827 panic("couldn't get chipmem for copper list");
2828 }
2829 phdl_this_data->frames[F_LACE_SHORT] = &phdl_this_data->frames[F_LACE_LONG][len];
2830 phdl_this_data->frames[F_LACE_STORE_LONG] = &phdl_this_data->frames[F_LACE_SHORT][len];
2831 phdl_this_data->frames[F_LACE_STORE_SHORT] = &phdl_this_data->frames[F_LACE_STORE_LONG][len];
2832
2833 bcopy(std_dlace_copper_list, phdl_this_data->frames[F_LACE_STORE_LONG], std_dlace_copper_list_size);
2834 bcopy(std_dlace_copper_list, phdl_this_data->frames[F_LACE_STORE_SHORT], std_dlace_copper_list_size);
2835 bcopy(std_dlace_copper_list, phdl_this_data->frames[F_LACE_LONG], std_dlace_copper_list_size);
2836 bcopy(std_dlace_copper_list, phdl_this_data->frames[F_LACE_SHORT], std_dlace_copper_list_size);
2837
2838 phdl_this_data->bplcon0 = 0x8204 | USE_CON3; /* hires, color
2839 * composite enable,
2840 * dlace. */
2841 phdl_this_data->std_start_x = STANDARD_VIEW_X;
2842 phdl_this_data->std_start_y = STANDARD_VIEW_Y;
2843 phdl_this_data->vbl_handler = (vbl_handler_func *) cc_lace_mode_vbl_handler;
2844 #if defined (GRF_ECS) || defined (GRF_AGA)
2845 phdl_this_data->beamcon0 = STANDARD_PAL_BEAMCON;
2846 #endif
2847
2848 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, phdl_this, link);
2849 }
2850 return (phdl_this);
2851 }
2852
2853 void
2854 display_pal_hires_dlace_view(v)
2855 view_t *v;
2856 {
2857 if (phdl_this_data->current_view != v) {
2858 vdata_t *vd = VDATA(v);
2859 cop_t *cp = phdl_this_data->frames[F_LACE_STORE_LONG], *tmp;
2860 int depth = v->bitmap->depth;
2861 int hstart, hstop, vstart, vstop;
2862 int x, y, w = v->display.width, h = v->display.height;
2863 u_short ddfstart, ddfwidth, con1;
2864 u_short mod1l, mod2l;
2865
2866 /* round down to nearest even width */
2867 /* w &= 0xfffe; */
2868
2869 /* calculate datafetch width. */
2870 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 2) << 2;
2871
2872 /* This will center the any overscanned display */
2873 /* and allow user to modify. */
2874 x = v->display.x + phdl_this_data->std_start_x - ((w - 640) >> 2);
2875 y = v->display.y + phdl_this_data->std_start_y - ((h - 1024) >> 3);
2876
2877 if (y & 1)
2878 y--;
2879
2880 if (!(x & 1))
2881 x--;
2882
2883 hstart = x;
2884 hstop = x + (w >> 1);
2885 vstart = y;
2886 vstop = y + (h >> 2);
2887 ddfstart = (hstart - 9) >> 1;
2888
2889 /* check for hardware limits, AGA may allow more..? */
2890 /* anyone got a 4000 I can borrow :^) -ch */
2891 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
2892 int d = 0;
2893
2894 /* XXX anyone know the equality properties of
2895 * intermixed logial AND's */
2896 /* XXX and arithmetic operators? */
2897 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
2898 d++;
2899 }
2900
2901 ddfstart -= d;
2902 hstart -= d << 1;
2903 hstop -= d << 1;
2904 }
2905 /* correct the datafetch to proper limits. */
2906 /* delay the actual display of the data until we need it. */
2907 ddfstart &= 0xfffc;
2908 con1 = ((hstart - 9) - (ddfstart << 1)) | (((hstart - 9) - (ddfstart << 1)) << 4);
2909
2910 if (phdl_this_data->current_view) {
2911 VDATA(phdl_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer */
2912 /* displayed. */
2913 }
2914 phdl_this_data->current_view = v;
2915
2916 cp = phdl_this_data->frames[F_LACE_STORE_LONG];
2917 #if defined (GRF_ECS) || defined (GRF_AGA)
2918 #if defined GRF_AGA
2919 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
2920 tmp->cp.inst.operand = 0;
2921 #endif
2922 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
2923 tmp->cp.inst.operand = phdl_this_data->beamcon0;
2924 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
2925 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
2926 #endif /* ECS */
2927 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
2928 tmp->cp.inst.operand = phdl_this_data->bplcon0 | ((depth & 0x7) << 13); /* times two. */
2929 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
2930 tmp->cp.inst.operand = con1;
2931 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
2932 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
2933 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
2934 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
2935 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
2936 tmp->cp.inst.operand = ddfstart;
2937 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
2938 tmp->cp.inst.operand = ddfstart + ddfwidth;
2939
2940 mod1l = v->bitmap->bytes_per_row + v->bitmap->row_mod;
2941 mod2l = mod1l << 1;
2942
2943 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2944 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][0])); /* update plane
2945 * pointers. */
2946 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][0])); /* high and low. */
2947 tmp[2].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod1l])); /* update plane
2948 * pointers. */
2949 tmp[3].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod1l])); /* high and low. */
2950 if (depth == 2) {
2951 tmp[4].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][0])); /* update plane
2952 * pointers. */
2953 tmp[5].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][0])); /* high and low. */
2954 tmp[6].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod1l])); /* update plane
2955 * pointers. */
2956 tmp[7].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod1l])); /* high and low. */
2957 }
2958 /* set mods correctly. */
2959 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
2960 tmp[0].cp.inst.operand = mod2l + mod1l;
2961 tmp[1].cp.inst.operand = mod2l + mod1l;
2962
2963 /* set next pointers correctly */
2964 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2965 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(phdl_this_data->frames[F_LACE_STORE_SHORT]));
2966 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(phdl_this_data->frames[F_LACE_STORE_SHORT]));
2967
2968 bcopy(phdl_this_data->frames[F_LACE_STORE_LONG], phdl_this_data->frames[F_LACE_STORE_SHORT], std_dlace_copper_list_size);
2969
2970 /* these are the only ones that are different from long frame. */
2971 cp = phdl_this_data->frames[F_LACE_STORE_SHORT];
2972 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
2973 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l])); /* update plane
2974 * pointers. */
2975 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l])); /* high and low. */
2976 tmp[2].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l + mod1l])); /* update plane
2977 * pointers. */
2978 tmp[3].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[0][mod2l + mod1l])); /* high and low. */
2979 if (depth == 2) {
2980 tmp[4].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l])); /* update plane
2981 * pointers. */
2982 tmp[5].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l])); /* high and low. */
2983 tmp[6].cp.inst.operand = HIADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l + mod1l])); /* update plane
2984 * pointers. */
2985 tmp[7].cp.inst.operand = LOADDR(PREP_DMA_MEM(&v->bitmap->plane[1][mod2l + mod1l])); /* high and low. */
2986 }
2987 /* set next pointers correctly */
2988 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
2989 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(phdl_this_data->frames[F_LACE_STORE_LONG]));
2990 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(phdl_this_data->frames[F_LACE_STORE_LONG]));
2991
2992 cp = phdl_this_data->frames[F_LACE_LONG];
2993 phdl_this_data->frames[F_LACE_LONG] = phdl_this_data->frames[F_LACE_STORE_LONG];
2994 phdl_this_data->frames[F_LACE_STORE_LONG] = cp;
2995
2996 cp = phdl_this_data->frames[F_LACE_SHORT];
2997 phdl_this_data->frames[F_LACE_SHORT] = phdl_this_data->frames[F_LACE_STORE_SHORT];
2998 phdl_this_data->frames[F_LACE_STORE_SHORT] = cp;
2999
3000 vd->flags |= VF_DISPLAY;
3001
3002 cc_a2024_use_colormap(v, vd->colormap);
3003 }
3004 cc_load_mode(phdl_this);
3005 }
3006
3007 dmode_t *
3008 cc_init_pal_a2024()
3009 {
3010 /* this function should only be called once. */
3011 if (!p24_this) {
3012 int i;
3013 u_short len = std_pal_a2024_copper_list_len;
3014 cop_t *cp;
3015
3016 p24_this = &pal_a2024_mode;
3017 p24_this_data = &pal_a2024_mode_data;
3018 bzero(p24_this, sizeof(dmode_t));
3019 bzero(p24_this_data, sizeof(dmdata_t));
3020
3021 p24_this->name = "pal: A2024 15khz";
3022 p24_this->nominal_size.width = 1024;
3023 p24_this->nominal_size.height = 1024;
3024 p24_this_data->max_size.width = 1024;
3025 p24_this_data->max_size.height = 1024;
3026 p24_this_data->min_size.width = 1024;
3027 p24_this_data->min_size.height = 1024;
3028 p24_this_data->min_depth = 1;
3029 p24_this_data->max_depth = 2;
3030 p24_this->data = p24_this_data;
3031
3032 p24_this->get_monitor = cc_get_monitor;
3033 p24_this->alloc_view = cc_alloc_view;
3034 p24_this->get_current_view = cc_get_current_view;
3035
3036 p24_this_data->use_colormap = cc_a2024_use_colormap;
3037 p24_this_data->get_colormap = cc_a2024_get_colormap;
3038 p24_this_data->display_view = display_pal_a2024_view;
3039 p24_this_data->alloc_colormap = cc_a2024_alloc_colormap;
3040 p24_this_data->monitor = cc_monitor;
3041
3042 p24_this_data->flags |= DMF_HEDLEY_EXP;
3043
3044 p24_this_data->frames = pal_a2024_frames;
3045 p24_this_data->frames[F_QD_QUAD0] = alloc_chipmem(std_pal_a2024_copper_list_size * F_QD_TOTAL);
3046 if (!p24_this_data->frames[F_QD_QUAD0]) {
3047 panic("couldn't get chipmem for copper list");
3048 }
3049 /* setup the hedley init bitplane. */
3050 hedley_init = alloc_chipmem(128);
3051 if (!hedley_init) {
3052 panic("couldn't get chipmem for hedley init bitplane");
3053 }
3054 for (i = 1; i < 128; i++)
3055 hedley_init[i] = 0xff;
3056 hedley_init[0] = 0x03;
3057
3058 /* copy image of standard copper list. */
3059 bcopy(std_pal_a2024_copper_list, p24_this_data->frames[0], std_pal_a2024_copper_list_size);
3060
3061 /* set the init plane pointer. */
3062 cp = find_copper_inst(p24_this_data->frames[F_QD_QUAD0], CI_MOVE(R_BPL0PTH));
3063 cp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(hedley_init));
3064 cp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(hedley_init));
3065
3066 for (i = 1; i < F_QD_TOTAL; i++) {
3067 p24_this_data->frames[i] = &p24_this_data->frames[i - 1][len];
3068 bcopy(p24_this_data->frames[0], p24_this_data->frames[i], std_pal_a2024_copper_list_size);
3069 }
3070
3071 p24_this_data->bplcon0 = 0x8200; /* hires */
3072 p24_this_data->vbl_handler = (vbl_handler_func *) pal_a2024_mode_vbl_handler;
3073
3074
3075 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes, p24_this, link);
3076 }
3077 return (p24_this);
3078 }
3079
3080 void
3081 display_pal_a2024_view(v)
3082 view_t *v;
3083 {
3084 if (p24_this_data->current_view != v) {
3085 vdata_t *vd = VDATA(v);
3086 cop_t *cp, *tmp;
3087 u_char *inst_plane[2];
3088 u_char **plane = inst_plane;
3089 u_long full_line = v->bitmap->bytes_per_row + v->bitmap->row_mod;
3090 u_long half_plane = full_line * v->bitmap->rows / 2;
3091
3092 int depth = v->bitmap->depth, i, j;
3093
3094 plane[0] = v->bitmap->plane[0];
3095 if (depth == 2) {
3096 plane[1] = v->bitmap->plane[1];
3097 }
3098 if (p24_this_data->current_view) {
3099 VDATA(p24_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer
3100 * displayed. */
3101 }
3102 cp = p24_this_data->frames[F_QD_STORE_QUAD0];
3103 tmp = find_copper_inst(cp, CI_MOVE(R_COLOR1F));
3104 tmp = find_copper_inst(tmp, CI_MOVE(R_BPLCON0)); /* grab third one. */
3105 tmp->cp.inst.operand = p24_this_data->bplcon0 | ((depth & 0x7) << 13); /* times 2 */
3106
3107 bcopy(p24_this_data->frames[F_QD_STORE_QUAD0], p24_this_data->frames[F_QD_STORE_QUAD1], std_pal_a2024_copper_list_size);
3108 bcopy(p24_this_data->frames[F_QD_STORE_QUAD0], p24_this_data->frames[F_QD_STORE_QUAD2], std_pal_a2024_copper_list_size);
3109 bcopy(p24_this_data->frames[F_QD_STORE_QUAD0], p24_this_data->frames[F_QD_STORE_QUAD3], std_pal_a2024_copper_list_size);
3110
3111 /*
3112 * Mark Id's
3113 */
3114 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD1], CI_WAIT(126, 29));
3115 CBUMP(tmp);
3116 CMOVE(tmp, R_COLOR01, QUAD1_ID);
3117 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD2], CI_WAIT(126, 29));
3118 CBUMP(tmp);
3119 CMOVE(tmp, R_COLOR01, QUAD2_ID);
3120 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD3], CI_WAIT(126, 29));
3121 CBUMP(tmp);
3122 CMOVE(tmp, R_COLOR01, QUAD3_ID);
3123
3124 plane[0]--;
3125 plane[0]--;
3126 if (depth == 2) {
3127 plane[1]--;
3128 plane[1]--;
3129 }
3130 /*
3131 * Set bitplane pointers.
3132 */
3133 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD0], CI_MOVE(R_BPLMOD2));
3134 CBUMP(tmp);
3135 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][0])));
3136 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][0])));
3137 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][full_line])));
3138 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][full_line])));
3139 if (depth == 2) {
3140 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][0])));
3141 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][0])));
3142 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][full_line])));
3143 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][full_line])));
3144 }
3145 #if defined (GRF_ECS) || defined (GRF_AGA)
3146 CMOVE(tmp, R_DIWHIGH, 0x2100);
3147 #endif
3148 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD1])));
3149 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD1])));
3150 CEND(tmp);
3151 CEND(tmp);
3152
3153 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD1], CI_MOVE(R_BPLMOD2));
3154 CBUMP(tmp);
3155 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][HALF_2024_LINE])));
3156 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][HALF_2024_LINE])));
3157 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][full_line + HALF_2024_LINE])));
3158 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][full_line + HALF_2024_LINE])));
3159 if (depth == 2) {
3160 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][HALF_2024_LINE])));
3161 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][HALF_2024_LINE])));
3162 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][full_line + HALF_2024_LINE])));
3163 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][full_line + HALF_2024_LINE])));
3164 }
3165 #if defined (GRF_ECS) || defined (GRF_AGA)
3166 CMOVE(tmp, R_DIWHIGH, 0x2100);
3167 #endif
3168 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD2])));
3169 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD2])));
3170 CEND(tmp);
3171 CEND(tmp);
3172
3173 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD2], CI_MOVE(R_BPLMOD2));
3174 CBUMP(tmp);
3175 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][half_plane])));
3176 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][half_plane])));
3177 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line])));
3178 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line])));
3179 if (depth == 2) {
3180 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][half_plane])));
3181 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][half_plane])));
3182 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line])));
3183 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line])));
3184 }
3185 #if defined (GRF_ECS) || defined (GRF_AGA)
3186 CMOVE(tmp, R_DIWHIGH, 0x2100);
3187 #endif
3188 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD3])));
3189 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD3])));
3190 CEND(tmp);
3191 CEND(tmp);
3192
3193 tmp = find_copper_inst(p24_this_data->frames[F_QD_STORE_QUAD3], CI_MOVE(R_BPLMOD2));
3194 CBUMP(tmp);
3195 CMOVE(tmp, R_BPL0PTH, HIADDR(PREP_DMA_MEM(&plane[0][half_plane + HALF_2024_LINE])));
3196 CMOVE(tmp, R_BPL0PTL, LOADDR(PREP_DMA_MEM(&plane[0][half_plane + HALF_2024_LINE])));
3197 CMOVE(tmp, R_BPL1PTH, HIADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line + HALF_2024_LINE])));
3198 CMOVE(tmp, R_BPL1PTL, LOADDR(PREP_DMA_MEM(&plane[0][half_plane + full_line + HALF_2024_LINE])));
3199 if (depth == 2) {
3200 CMOVE(tmp, R_BPL2PTH, HIADDR(PREP_DMA_MEM(&plane[1][half_plane + HALF_2024_LINE])));
3201 CMOVE(tmp, R_BPL2PTL, LOADDR(PREP_DMA_MEM(&plane[1][half_plane + HALF_2024_LINE])));
3202 CMOVE(tmp, R_BPL3PTH, HIADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line + HALF_2024_LINE])));
3203 CMOVE(tmp, R_BPL3PTL, LOADDR(PREP_DMA_MEM(&plane[1][half_plane + full_line + HALF_2024_LINE])));
3204 }
3205 #if defined (GRF_ECS) || defined (GRF_AGA)
3206 CMOVE(tmp, R_DIWHIGH, 0x2100);
3207 #endif
3208 CMOVE(tmp, R_COP1LCH, HIADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD0])));
3209 CMOVE(tmp, R_COP1LCL, LOADDR(PREP_DMA_MEM(p24_this_data->frames[F_QD_STORE_QUAD0])));
3210 CEND(tmp);
3211 CEND(tmp);
3212
3213 /* swap new pointers in. */
3214 for (i = F_QD_STORE_QUAD0, j = F_QD_QUAD0;
3215 i <= F_QD_STORE_QUAD3; i++, j++) {
3216 cp = p24_this_data->frames[j];
3217 p24_this_data->frames[j] = p24_this_data->frames[i];
3218 p24_this_data->frames[i] = cp;
3219 }
3220
3221 p24_this_data->current_view = v;
3222 vd->flags |= VF_DISPLAY;
3223
3224 cc_a2024_use_colormap(v, vd->colormap);
3225 }
3226 cc_load_mode(p24_this);
3227 }
3228
3229 void
3230 pal_a2024_mode_vbl_handler(d)
3231 dmode_t *d;
3232 {
3233 u_short vp = ((custom.vposr & 0x0007) << 8) | ((custom.vhposr) >> 8);
3234
3235 if (vp < 20) {
3236 custom.cop1lc = PREP_DMA_MEM(p24_this_data->frames[p24_this_data->hedley_current]);
3237 custom.copjmp1 = 0;
3238 }
3239 p24_this_data->hedley_current++;
3240 p24_this_data->hedley_current &= 0x3; /* if 4 then 0. */
3241 }
3242 #endif /* GRF_A2024 */
3243
3244 #if defined (GRF_AGA)
3245
3246 dmode_t *
3247 cc_init_pal_aga()
3248 {
3249 /* this function should only be called once. */
3250 if (!paga_this && (custom.deniseid & 0xff) == 0xf8 &&
3251 aga_enable & AGA_ENABLE) {
3252 u_short len = aga_copper_list_len;
3253
3254 paga_this = &paga_mode;
3255 paga_this_data = &paga_mode_data;
3256 bzero(paga_this, sizeof(dmode_t));
3257 bzero(paga_this_data, sizeof(dmdata_t));
3258
3259 paga_this->name = "pal: AGA dbl";
3260 paga_this->nominal_size.width = 640;
3261 paga_this->nominal_size.height = 512;
3262 paga_this_data->max_size.width = 720;
3263 paga_this_data->max_size.height = 564;
3264 paga_this_data->min_size.width = 320;
3265 paga_this_data->min_size.height = 200;
3266 paga_this_data->min_depth = 1;
3267 paga_this_data->max_depth = 8;
3268 paga_this->data = paga_this_data;
3269
3270 paga_this->get_monitor = cc_get_monitor;
3271 paga_this->alloc_view = cc_alloc_view;
3272 paga_this->get_current_view = cc_get_current_view;
3273
3274 paga_this_data->use_colormap = cc_use_aga_colormap;
3275 paga_this_data->get_colormap = cc_get_colormap;
3276 paga_this_data->alloc_colormap = cc_alloc_aga_colormap;
3277 paga_this_data->display_view = display_pal_aga_view;
3278 paga_this_data->monitor = cc_monitor;
3279
3280 paga_this_data->frames = paga_frames;
3281 paga_this_data->frames[F_LONG] = alloc_chipmem(aga_copper_list_size * F_TOTAL);
3282 if (!paga_this_data->frames[F_LONG]) {
3283 panic("couldn't get chipmem for copper list");
3284 }
3285 paga_this_data->frames[F_STORE_LONG] = &paga_this_data->frames[F_LONG][len];
3286
3287 bcopy(aga_copper_list, paga_this_data->frames[F_STORE_LONG], aga_copper_list_size);
3288 bcopy(aga_copper_list, paga_this_data->frames[F_LONG], aga_copper_list_size);
3289
3290 paga_this_data->bplcon0 = 0x0240 | USE_CON3; /* color composite
3291 * enable,
3292 * shres. */
3293 paga_this_data->std_start_x = 0x4f /*STANDARD_VIEW_X*/;
3294 paga_this_data->std_start_y = 0x2b /*STANDARD_VIEW_Y*/;
3295 paga_this_data->vbl_handler = (vbl_handler_func *) cc_mode_vbl_handler;
3296 paga_this_data->beamcon0 = STANDARD_PAL_BEAMCON | (SPECIAL_BEAMCON ^ VSYNCTRUE);
3297
3298 LIST_INSERT_HEAD(&MDATA(cc_monitor)->modes,
3299 paga_this, link);
3300 }
3301 return (paga_this);
3302 }
3303
3304 /* static, so I can patch and play (VGAOnly is commented-out) */
3305
3306 int pAGA_htotal = 0x081; /* 0x079 */
3307 int pAGA_hsstrt = 0x00f; /* 0x00f */
3308 int pAGA_hsstop = 0x019; /* 0x019 */
3309 int pAGA_hbstrt = 0x001; /* 0x001 */
3310 int pAGA_hbstop = 0x021; /* 0x021 */
3311 int pAGA_vtotal = 0x23d; /* 0x24d */
3312 int pAGA_vsstrt = 0x001; /* 0x001 */
3313 int pAGA_vsstop = 0x008; /* 0x008 */
3314 int pAGA_vbstrt = 0x000; /* 0x000 */
3315 int pAGA_vbstop = 0x017; /* 0x019 */
3316 int pAGA_hcenter = 0x04f; /* 0x04b */
3317
3318 void
3319 display_pal_aga_view(v)
3320 view_t *v;
3321 {
3322 if (paga_this_data->current_view != v) {
3323 vdata_t *vd = VDATA(v);
3324 cop_t *cp = paga_this_data->frames[F_STORE_LONG], *tmp;
3325 int depth = v->bitmap->depth, i;
3326 int hstart, hstop, vstart, vstop, j;
3327 int x, y, w = v->display.width, h = v->display.height;
3328 u_short ddfstart, ddfwidth, con1;
3329
3330 #ifdef DEBUG
3331 if (aga_enable & AGA_TRACE)
3332 printf("display_aga_view(%dx%dx%d) %p\n", w, h,
3333 depth, v);
3334 #endif
3335 /* round down to nearest even width */
3336 /* w &= 0xfffe; */
3337 /* calculate datafetch width. */
3338
3339 ddfwidth = ((v->bitmap->bytes_per_row >> 1) - 4) << 1;
3340
3341 /* this will center the any overscanned display */
3342 /* and allow user to modify. */
3343 x = v->display.x + paga_this_data->std_start_x - ((w - 640) >> 3);
3344 y = v->display.y + paga_this_data->std_start_y - ((h - 512) >> 1);
3345
3346 if (y & 1)
3347 y--;
3348
3349 if (!(x & 1))
3350 x--;
3351
3352 hstart = x;
3353 hstop = x + (w >> 2);
3354 vstart = y;
3355 vstop = y + (h >> 0);
3356 ddfstart = (hstart >> 1) - 8;
3357
3358 #ifdef DEBUG
3359 if (aga_enable & AGA_TRACE2) {
3360 printf (" ddfwidth %04x x %04x y %04x", ddfwidth,
3361 x, y);
3362 printf (" hstart %04x hstop %04x vstart %04x vstop %04x ddfstart %04x\n",
3363 hstart, hstop, vstart, vstop, ddfstart);
3364 }
3365 #endif
3366 /* check for hardware limits, AGA may allow more..? */
3367 /* anyone got a 4000 I can borrow :^) -ch */
3368 if ((ddfstart & 0xfffc) + ddfwidth > 0xd8) {
3369 int d = 0;
3370
3371 /* XXX anyone know the equality properties of
3372 * intermixed logial AND's */
3373 /* XXX and arithmetic operators? */
3374 while (((ddfstart & 0xfffc) + ddfwidth - d) > 0xd8) {
3375 d++;
3376 }
3377
3378 ddfstart -= d;
3379 hstart -= d << 1;
3380 hstop -= d << 1;
3381 }
3382 /* correct the datafetch to proper limits. */
3383 /* delay the actual display of the data until we need it. */
3384 ddfstart &= 0xfffc;
3385 #ifdef DEBUG
3386 if (aga_enable & AGA_TRACE2) {
3387 printf (" ddfwidth %04x x %04x y %04x", ddfwidth,
3388 x, y);
3389 printf (" hstart %04x hstop %04x vstart %04x vstop %04x ddfstart %04x\n",
3390 hstart, hstop, vstart, vstop, ddfstart);
3391 }
3392 #endif
3393 con1 = ((hstart - 9) - (ddfstart << 1)) | (((hstart - 9) - (ddfstart << 1)) << 4);
3394
3395 if (paga_this_data->current_view) {
3396 VDATA(paga_this_data->current_view)->flags &= ~VF_DISPLAY; /* mark as no longer */
3397 /* displayed. */
3398 }
3399 paga_this_data->current_view = v;
3400
3401 cp = paga_this_data->frames[F_STORE_LONG];
3402 tmp = cp;
3403 for (i = 0; i < 8; ++i) {
3404 if (tmp == NULL)
3405 break;
3406 tmp = find_copper_inst(tmp + 1, CI_MOVE(R_BPLCON3));
3407 if (tmp == NULL)
3408 break;
3409 tmp->cp.inst.operand = 0x0ca1 | (i << 13);
3410 tmp = find_copper_inst(tmp + 1, CI_MOVE(R_BPLCON3));
3411 if (tmp == NULL)
3412 break;
3413 tmp->cp.inst.operand = 0x0ea1 | (i << 13);
3414 }
3415 if (tmp)
3416 tmp = find_copper_inst(tmp + 1, CI_MOVE(R_BPLCON3));
3417 if (tmp)
3418 tmp->cp.inst.operand = 0x0ca1;
3419 tmp = find_copper_inst(cp, CI_MOVE(R_FMODE));
3420 tmp->cp.inst.operand = 0x8003;
3421 tmp = find_copper_inst(cp, CI_MOVE(R_HTOTAL));
3422 tmp->cp.inst.operand = pAGA_htotal; /* 81/71/73/79? */
3423 tmp = find_copper_inst(cp, CI_MOVE(R_HBSTRT));
3424 tmp->cp.inst.operand = pAGA_hbstrt; /* 0x0008 */
3425 tmp = find_copper_inst(cp, CI_MOVE(R_HSSTRT));
3426 tmp->cp.inst.operand = pAGA_hsstrt; /* 0x000e */
3427 tmp = find_copper_inst(cp, CI_MOVE(R_HSSTOP));
3428 tmp->cp.inst.operand = pAGA_hsstop; /* 0x001c */
3429 tmp = find_copper_inst(cp, CI_MOVE(R_HBSTOP));
3430 tmp->cp.inst.operand = pAGA_hsstop; /* 0x001e */
3431 tmp = find_copper_inst(cp, CI_MOVE(R_HCENTER));
3432 tmp->cp.inst.operand = pAGA_hcenter; /*AGA_htotal / 2 + AGA_hsstrt */
3433 tmp = find_copper_inst(cp, CI_MOVE(R_VBSTRT));
3434 tmp->cp.inst.operand = pAGA_vbstrt; /* 0x0000 */
3435 tmp = find_copper_inst(cp, CI_MOVE(R_VSSTRT));
3436 tmp->cp.inst.operand = pAGA_vsstrt; /* 0x016b / AGA_htotal */
3437 tmp = find_copper_inst(cp, CI_MOVE(R_VSSTOP));
3438 tmp->cp.inst.operand = pAGA_vsstop; /* 0x02d6 / AGA_htotal */
3439 tmp = find_copper_inst(cp, CI_MOVE(R_VBSTOP));
3440 tmp->cp.inst.operand = pAGA_vbstop; /* 0x0bd1 / AGA_htotal */
3441 tmp = find_copper_inst(cp, CI_MOVE(R_VTOTAL));
3442 tmp->cp.inst.operand = pAGA_vtotal;
3443 tmp = find_copper_inst(cp, CI_MOVE(R_BEAMCON0));
3444 tmp->cp.inst.operand = paga_this_data->beamcon0;
3445 #ifdef DEBUG
3446 if (aga_enable & AGA_TRACE2)
3447 printf(" beamcon0 %04x", tmp->cp.inst.operand);
3448 #endif
3449 tmp = find_copper_inst(cp, CI_MOVE(R_DIWHIGH));
3450 tmp->cp.inst.operand = CALC_DIWHIGH(hstart, vstart, hstop, vstop);
3451 #ifdef DEBUG
3452 if (aga_enable & AGA_TRACE2)
3453 printf(" diwhigh %04x>", tmp->cp.inst.operand);
3454 #endif
3455 #if 0
3456 tmp->cp.inst.operand = (vstop & 0x0700) | ((hstop & 0x0100) << 5);
3457 #endif
3458 #ifdef DEBUG
3459 if (aga_enable & AGA_TRACE2)
3460 printf("%04x", tmp->cp.inst.operand);
3461 #endif
3462 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON0));
3463 tmp->cp.inst.operand = paga_this_data->bplcon0 |
3464 ((depth & 0x7) << 12) | ((depth & 0x8) << 1);
3465 #ifdef DEBUG
3466 if (aga_enable & AGA_TRACE2)
3467 printf(" bplcon0 %04x", tmp->cp.inst.operand);
3468 #endif
3469 tmp = find_copper_inst(cp, CI_MOVE(R_BPLCON1));
3470 tmp->cp.inst.operand = con1;
3471 #ifdef DEBUG
3472 if (aga_enable & AGA_TRACE2)
3473 printf(" bplcon1 %04x>0000\n", con1);
3474 #endif
3475 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTART));
3476 tmp->cp.inst.operand = ((vstart & 0xff) << 8) | (hstart & 0xff);
3477 #ifdef DEBUG
3478 if (aga_enable & AGA_TRACE2)
3479 printf(" diwstart %04x", tmp->cp.inst.operand);
3480 #endif
3481 tmp = find_copper_inst(cp, CI_MOVE(R_DIWSTOP));
3482 tmp->cp.inst.operand = ((vstop & 0xff) << 8) | (hstop & 0xff);
3483 #ifdef DEBUG
3484 if (aga_enable & AGA_TRACE2)
3485 printf(" diwstop %04x", tmp->cp.inst.operand);
3486 #endif
3487 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTART));
3488 tmp->cp.inst.operand = ddfstart;
3489 #ifdef DEBUG
3490 if (aga_enable & AGA_TRACE2)
3491 printf(" ddfstart %04x", tmp->cp.inst.operand);
3492 #endif
3493 tmp = find_copper_inst(cp, CI_MOVE(R_DDFSTOP));
3494 tmp->cp.inst.operand = ddfstart + ddfwidth;
3495 #ifdef DEBUG
3496 if (aga_enable & AGA_TRACE2)
3497 printf(" ddfstop %04x", tmp->cp.inst.operand);
3498 #endif
3499
3500 tmp = find_copper_inst(cp, CI_MOVE(R_BPL0PTH));
3501 for (i = 0, j = 0; i < depth; j += 2, i++) {
3502 /* update the plane pointers */
3503 tmp[j].cp.inst.operand = HIADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
3504 tmp[j + 1].cp.inst.operand = LOADDR(PREP_DMA_MEM(v->bitmap->plane[i]));
3505 #ifdef DEBUG
3506 if (aga_enable & AGA_TRACE2)
3507 printf (" bpl%dpth %p", i, v->bitmap->plane[i]);
3508 #endif
3509 }
3510
3511 /* set mods correctly. */
3512 tmp = find_copper_inst(cp, CI_MOVE(R_BPL1MOD));
3513 tmp[0].cp.inst.operand = v->bitmap->row_mod;
3514 tmp[1].cp.inst.operand = v->bitmap->row_mod;
3515 #ifdef DEBUG
3516 if (aga_enable & AGA_TRACE2)
3517 printf(" bplxmod %04x\n", v->bitmap->row_mod);
3518 #endif
3519
3520 /* set next pointers correctly */
3521 tmp = find_copper_inst(cp, CI_MOVE(R_COP1LCH));
3522 tmp[0].cp.inst.operand = HIADDR(PREP_DMA_MEM(paga_this_data->frames[F_STORE_LONG]));
3523 tmp[1].cp.inst.operand = LOADDR(PREP_DMA_MEM(paga_this_data->frames[F_STORE_LONG]));
3524
3525 cp = paga_this_data->frames[F_LONG];
3526 paga_this_data->frames[F_LONG] = paga_this_data->frames[F_STORE_LONG];
3527 paga_this_data->frames[F_STORE_LONG] = cp;
3528
3529 vd->flags |= VF_DISPLAY;
3530
3531 cc_use_aga_colormap(v, vd->colormap);
3532 }
3533 cc_load_mode(paga_this);
3534 #ifdef DEBUG
3535 if (aga_enable & AGA_TRACE)
3536 aga_enable |= AGA_TRACE2; /* XXXX */
3537 #endif
3538 }
3539
3540 #endif /* GRF_AGA */
3541 #endif /* GRF_PAL */
3542