1 /* $OpenBSD: bt463.c,v 1.14 2024/06/26 01:40:49 jsg Exp $ */
2 /* $NetBSD: bt463.c,v 1.2 2000/06/13 17:21:06 nathanw Exp $ */
3
4 /*-
5 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
10 * NASA Ames Research Center.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 /*
35 * Copyright (c) 1995, 1996 Carnegie-Mellon University.
36 * All rights reserved.
37 *
38 * Author: Chris G. Demetriou
39 *
40 * Permission to use, copy, modify and distribute this software and
41 * its documentation is hereby granted, provided that both the copyright
42 * notice and this permission notice appear in all copies of the
43 * software, derivative works or modified versions, and any portions
44 * thereof, and that both notices appear in supporting documentation.
45 *
46 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
47 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
48 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
49 *
50 * Carnegie Mellon requests users of this software to return to
51 *
52 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
53 * School of Computer Science
54 * Carnegie Mellon University
55 * Pittsburgh PA 15213-3890
56 *
57 * any improvements or extensions that they make and grant Carnegie the
58 * rights to redistribute these changes.
59 */
60
61 /* This code was derived from and originally located in sys/dev/pci/
62 * NetBSD: tga_bt463.c,v 1.5 2000/03/04 10:27:59 elric Exp
63 */
64
65 #include <sys/param.h>
66 #include <sys/systm.h>
67 #include <sys/device.h>
68 #include <sys/buf.h>
69 #include <sys/kernel.h>
70 #include <sys/malloc.h>
71
72 #include <dev/pci/pcivar.h>
73 #include <dev/pci/tgareg.h>
74 #include <dev/pci/tgavar.h>
75 #include <dev/ic/bt463reg.h>
76 #include <dev/ic/bt463var.h>
77
78 #include <dev/wscons/wsconsio.h>
79
80 /*
81 * Functions exported via the RAMDAC configuration table.
82 */
83 void bt463_init(struct ramdac_cookie *);
84 int bt463_set_cmap(struct ramdac_cookie *,
85 struct wsdisplay_cmap *);
86 int bt463_get_cmap(struct ramdac_cookie *,
87 struct wsdisplay_cmap *);
88 int bt463_set_cursor(struct ramdac_cookie *,
89 struct wsdisplay_cursor *);
90 int bt463_get_cursor(struct ramdac_cookie *,
91 struct wsdisplay_cursor *);
92 int bt463_set_curpos(struct ramdac_cookie *,
93 struct wsdisplay_curpos *);
94 int bt463_get_curpos(struct ramdac_cookie *,
95 struct wsdisplay_curpos *);
96 int bt463_get_curmax(struct ramdac_cookie *,
97 struct wsdisplay_curpos *);
98 int bt463_check_curcmap(struct ramdac_cookie *,
99 struct wsdisplay_cursor *cursorp);
100 void bt463_set_curcmap(struct ramdac_cookie *,
101 struct wsdisplay_cursor *cursorp);
102 int bt463_get_curcmap(struct ramdac_cookie *,
103 struct wsdisplay_cursor *cursorp);
104
105 #ifdef BT463_DEBUG
106 int bt463_store(void *);
107 int bt463_debug(void *);
108 int bt463_readback(void *);
109 void bt463_copyback(void *);
110 #endif
111
112 struct ramdac_funcs bt463_funcsstruct = {
113 "Bt463",
114 bt463_register,
115 bt463_init,
116 bt463_set_cmap,
117 bt463_get_cmap,
118 bt463_set_cursor,
119 bt463_get_cursor,
120 bt463_set_curpos,
121 bt463_get_curpos,
122 bt463_get_curmax,
123 bt463_check_curcmap,
124 bt463_set_curcmap,
125 bt463_get_curcmap,
126 NULL,
127 };
128
129 /*
130 * Private data.
131 */
132 struct bt463data {
133 void *cookie; /* This is what is passed
134 * around, and is probably
135 * struct tga_devconfig *
136 */
137
138 int (*ramdac_sched_update)(void *, void (*)(void *));
139 void (*ramdac_wr)(void *, u_int, u_int8_t);
140 u_int8_t (*ramdac_rd)(void *, u_int);
141
142 int changed; /* what changed; see below */
143 char curcmap_r[2]; /* cursor colormap */
144 char curcmap_g[2];
145 char curcmap_b[2];
146 char cmap_r[BT463_NCMAP_ENTRIES]; /* colormap */
147 char cmap_g[BT463_NCMAP_ENTRIES];
148 char cmap_b[BT463_NCMAP_ENTRIES];
149 int window_type[16]; /* 16 24-bit window type table entries */
150 };
151
152 /* When we're doing console initialization, there's no
153 * way to get our cookie back to the video card's softc
154 * before we call sched_update. So we stash it here,
155 * and bt463_update will look for it here first.
156 */
157 static struct bt463data *console_data;
158
159
160 #define BTWREG(data, addr, val) do { bt463_wraddr((data), (addr)); \
161 (data)->ramdac_wr((data)->cookie, BT463_REG_IREG_DATA, (val)); } while (0)
162 #define BTWNREG(data, val) (data)->ramdac_wr((data)->cookie, \
163 BT463_REG_IREG_DATA, (val))
164 #define BTRREG(data, addr) (bt463_wraddr((data), (addr)), \
165 (data)->ramdac_rd((data)->cookie, BT463_REG_IREG_DATA))
166 #define BTRNREG(data) ((data)->ramdac_rd((data)->cookie, BT463_REG_IREG_DATA))
167
168 #define DATA_CURCMAP_CHANGED 0x01 /* cursor colormap changed */
169 #define DATA_CMAP_CHANGED 0x02 /* colormap changed */
170 #define DATA_WTYPE_CHANGED 0x04 /* window type table changed */
171 #define DATA_ALL_CHANGED 0x07
172
173 /*
174 * Internal functions.
175 */
176 inline void bt463_wraddr(struct bt463data *, u_int16_t);
177
178 void bt463_update(void *);
179
180
181 /*****************************************************************************/
182
183 /*
184 * Functions exported via the RAMDAC configuration table.
185 */
186
187 struct ramdac_funcs *
bt463_funcs(void)188 bt463_funcs(void)
189 {
190 return &bt463_funcsstruct;
191 }
192
193 struct ramdac_cookie *
bt463_register(v,sched_update,wr,rd)194 bt463_register(v, sched_update, wr, rd)
195 void *v;
196 int (*sched_update)(void *, void (*)(void *));
197 void (*wr)(void *, u_int, u_int8_t);
198 u_int8_t (*rd)(void *, u_int);
199 {
200 struct bt463data *data;
201 /*
202 * XXX -- comment out of date. rcd.
203 * If we should allocate a new private info struct, do so.
204 * Otherwise, use the one we have (if it's there), or
205 * use the temporary one on the stack.
206 */
207 data = malloc(sizeof *data, M_DEVBUF, M_WAITOK);
208 /* XXX -- if !data */
209 data->cookie = v;
210 data->ramdac_sched_update = sched_update;
211 data->ramdac_wr = wr;
212 data->ramdac_rd = rd;
213 return (struct ramdac_cookie *)data;
214 }
215
216 /*
217 * This function exists solely to provide a means to init
218 * the RAMDAC without first registering. It is useful for
219 * initializing the console early on.
220 */
221 void
bt463_cninit(v,sched_update,wr,rd)222 bt463_cninit(v, sched_update, wr, rd)
223 void *v;
224 int (*sched_update)(void *, void (*)(void *));
225 void (*wr)(void *, u_int, u_int8_t);
226 u_int8_t (*rd)(void *, u_int);
227 {
228 struct bt463data tmp, *data = &tmp;
229 data->cookie = v;
230 data->ramdac_sched_update = sched_update;
231 data->ramdac_wr = wr;
232 data->ramdac_rd = rd;
233 /* Set up console_data so that when bt463_update is called back,
234 * it can use the right information.
235 */
236 console_data = data;
237 bt463_init((struct ramdac_cookie *)data);
238 console_data = NULL;
239 }
240
241 void
bt463_init(rc)242 bt463_init(rc)
243 struct ramdac_cookie *rc;
244 {
245 struct bt463data *data = (struct bt463data *)rc;
246
247 int i;
248
249 /*
250 * Init the BT463 for normal operation.
251 */
252
253
254 /*
255 * Setup:
256 * reg 0: 4:1 multiplexing, 25/75 blink.
257 * reg 1: Overlay mapping: mapped to common palette,
258 * 14 window type entries, 24-plane configuration mode,
259 * 4 overlay planes, underlays disabled, no cursor.
260 * reg 2: sync-on-green enabled, pedestal enabled.
261 */
262
263 BTWREG(data, BT463_IREG_COMMAND_0, 0x40);
264 BTWREG(data, BT463_IREG_COMMAND_1, 0x48);
265 BTWREG(data, BT463_IREG_COMMAND_2, 0xC0);
266
267 /*
268 * Initialize the read mask.
269 */
270 bt463_wraddr(data, BT463_IREG_READ_MASK_P0_P7);
271 for (i = 0; i < 4; i++)
272 BTWNREG(data, 0xff);
273
274 /*
275 * Initialize the blink mask.
276 */
277 bt463_wraddr(data, BT463_IREG_BLINK_MASK_P0_P7);
278 for (i = 0; i < 4; i++)
279 BTWNREG(data, 0);
280
281
282 /*
283 * Clear test register
284 */
285 BTWREG(data, BT463_IREG_TEST, 0);
286
287 /*
288 * Initialize the RAMDAC info struct to hold all of our
289 * data, and fill it in.
290 */
291 data->changed = DATA_ALL_CHANGED;
292
293 /* initial cursor colormap: 0 is black, 1 is white */
294 data->curcmap_r[0] = data->curcmap_g[0] = data->curcmap_b[0] = 0;
295 data->curcmap_r[1] = data->curcmap_g[1] = data->curcmap_b[1] = 0xff;
296
297 /* Initial colormap: 0 is black, everything else is white */
298 data->cmap_r[0] = data->cmap_g[0] = data->cmap_b[0] = 0;
299 for (i = 1; i < 256; i++) {
300 data->cmap_r[i] = rasops_cmap[3*i + 0];
301 data->cmap_g[i] = rasops_cmap[3*i + 1];
302 data->cmap_b[i] = rasops_cmap[3*i + 2];
303 }
304
305 /* Initialize the window type table:
306 *
307 * Entry 0: 24-plane truecolor, overlays enabled, bypassed.
308 *
309 * Lookup table bypass: yes ( 1 << 23 & 0x800000) 800000
310 * Colormap address: 0x000 (0x000 << 17 & 0x7e0000) 0
311 * Overlay mask: 0xf ( 0xf << 13 & 0x01e000) 1e000
312 * Overlay location: P<27:24> ( 0 << 12 & 0x001000) 0
313 * Display mode: Truecolor ( 0 << 9 & 0x000e00) 000
314 * Number of planes: 8 ( 8 << 5 & 0x0001e0) 100
315 * Plane shift: 0 ( 0 << 0 & 0x00001f) 0
316 * --------
317 * 0x81e100
318 */
319 data->window_type[0] = 0x81e100;
320
321 /* Entry 1: 8-plane pseudocolor in the bottom 8 bits,
322 * overlays enabled, colormap starting at 0.
323 *
324 * Lookup table bypass: no ( 0 << 23 & 0x800000) 0
325 * Colormap address: 0x000 (0x000 << 17 & 0x7e0000) 0
326 * Overlay mask: 0xf ( 0xf << 13 & 0x01e000) 0x1e000
327 * Overlay location: P<27:24> ( 0 << 12 & 0x001000) 0
328 * Display mode: Pseudocolor ( 1 << 9 & 0x000e00) 0x200
329 * Number of planes: 8 ( 8 << 5 & 0x0001e0) 0x100
330 * Plane shift: 16 ( 0x10 << 0 & 0x00001f) 10
331 * --------
332 * 0x01e310
333 */
334 data->window_type[1] = 0x01e310;
335
336 /* The colormap interface to the world only supports one colormap,
337 * so having an entry for the 'alternate' colormap in the bt463
338 * probably isn't useful.
339 */
340
341 /* Fill the remaining table entries with clones of entry 0 until we
342 * figure out a better use for them.
343 */
344
345 for (i = 2; i < BT463_NWTYPE_ENTRIES; i++) {
346 data->window_type[i] = 0x81e100;
347 }
348
349 data->ramdac_sched_update(data->cookie, bt463_update);
350
351 }
352
353 int
bt463_set_cmap(rc,cmapp)354 bt463_set_cmap(rc, cmapp)
355 struct ramdac_cookie *rc;
356 struct wsdisplay_cmap *cmapp;
357 {
358 struct bt463data *data = (struct bt463data *)rc;
359 u_int count, index;
360 int s, error;
361
362 index = cmapp->index;
363 count = cmapp->count;
364
365 if (index >= BT463_NCMAP_ENTRIES || count > BT463_NCMAP_ENTRIES - index)
366 return (EINVAL);
367
368 s = spltty();
369
370 if ((error = copyin(cmapp->red, &data->cmap_r[index], count)) != 0) {
371 splx(s);
372 return (error);
373 }
374 if ((error = copyin(cmapp->green, &data->cmap_g[index], count)) != 0) {
375 splx(s);
376 return (error);
377 }
378 if ((error = copyin(cmapp->blue, &data->cmap_b[index], count)) != 0) {
379 splx(s);
380 return (error);
381 }
382
383 data->changed |= DATA_CMAP_CHANGED;
384
385 data->ramdac_sched_update(data->cookie, bt463_update);
386 splx(s);
387
388 return (0);
389 }
390
391 int
bt463_get_cmap(rc,cmapp)392 bt463_get_cmap(rc, cmapp)
393 struct ramdac_cookie *rc;
394 struct wsdisplay_cmap *cmapp;
395 {
396 struct bt463data *data = (struct bt463data *)rc;
397 u_int count, index;
398 int error;
399
400 count = cmapp->count;
401 index = cmapp->index;
402
403 if (index >= BT463_NCMAP_ENTRIES || count > BT463_NCMAP_ENTRIES - index)
404 return (EINVAL);
405
406 error = copyout(&data->cmap_r[index], cmapp->red, count);
407 if (error)
408 return (error);
409 error = copyout(&data->cmap_g[index], cmapp->green, count);
410 if (error)
411 return (error);
412 error = copyout(&data->cmap_b[index], cmapp->blue, count);
413 return (error);
414 }
415
416 int
bt463_check_curcmap(rc,cursorp)417 bt463_check_curcmap(rc, cursorp)
418 struct ramdac_cookie *rc;
419 struct wsdisplay_cursor *cursorp;
420 {
421 u_int index, count;
422 u_int8_t spare[2];
423 int error;
424
425 index = cursorp->cmap.index;
426 count = cursorp->cmap.count;
427
428 if (index >= 2 || count > 2 - index)
429 return (EINVAL);
430
431 if ((error = copyin(&cursorp->cmap.red, &spare, count)) != 0)
432 return (error);
433 if ((error = copyin(&cursorp->cmap.green, &spare, count)) != 0)
434 return (error);
435 if ((error = copyin(&cursorp->cmap.blue, &spare, count)) != 0)
436 return (error);
437
438 return (0);
439 }
440
441 void
bt463_set_curcmap(rc,cursorp)442 bt463_set_curcmap(rc, cursorp)
443 struct ramdac_cookie *rc;
444 struct wsdisplay_cursor *cursorp;
445 {
446 struct bt463data *data = (struct bt463data *)rc;
447 int count, index;
448
449 /* can't fail; parameters have already been checked. */
450 count = cursorp->cmap.count;
451 index = cursorp->cmap.index;
452 copyin(cursorp->cmap.red, &data->curcmap_r[index], count);
453 copyin(cursorp->cmap.green, &data->curcmap_g[index], count);
454 copyin(cursorp->cmap.blue, &data->curcmap_b[index], count);
455 data->changed |= DATA_CURCMAP_CHANGED;
456 data->ramdac_sched_update(data->cookie, bt463_update);
457 }
458
459 int
bt463_get_curcmap(rc,cursorp)460 bt463_get_curcmap(rc, cursorp)
461 struct ramdac_cookie *rc;
462 struct wsdisplay_cursor *cursorp;
463 {
464 struct bt463data *data = (struct bt463data *)rc;
465 int error;
466
467 cursorp->cmap.index = 0; /* DOCMAP */
468 cursorp->cmap.count = 2;
469 if (cursorp->cmap.red != NULL) {
470 error = copyout(data->curcmap_r, cursorp->cmap.red, 2);
471 if (error)
472 return (error);
473 }
474 if (cursorp->cmap.green != NULL) {
475 error = copyout(data->curcmap_g, cursorp->cmap.green, 2);
476 if (error)
477 return (error);
478 }
479 if (cursorp->cmap.blue != NULL) {
480 error = copyout(data->curcmap_b, cursorp->cmap.blue, 2);
481 if (error)
482 return (error);
483 }
484 return (0);
485 }
486
487
488 /*****************************************************************************/
489
490 /*
491 * Internal functions.
492 */
493
494 #ifdef BT463_DEBUG
495 int
bt463_store(void * v)496 bt463_store(void *v)
497 {
498 struct bt463data *data = (struct bt463data *)v;
499
500 data->changed = DATA_ALL_CHANGED;
501 data->ramdac_sched_update(data->cookie, bt463_update);
502 printf("Scheduled bt463 store\n");
503
504 return 0;
505 }
506
507
508 int
bt463_readback(void * v)509 bt463_readback(void *v)
510 {
511 struct bt463data *data = (struct bt463data *)v;
512
513 data->ramdac_sched_update(data->cookie, bt463_copyback);
514 printf("Scheduled bt463 copyback\n");
515 return 0;
516 }
517
518 int
bt463_debug(v)519 bt463_debug(v)
520 void *v;
521 {
522 struct bt463data *data = (struct bt463data *)v;
523 int i;
524 u_int8_t val;
525
526 printf("BT463 main regs:\n");
527 for (i = 0x200; i < 0x20F; i ++) {
528 val = BTRREG(data, i);
529 printf(" $%04x %02x\n", i, val);
530 }
531
532 printf("BT463 revision register:\n");
533 val = BTRREG(data, 0x220);
534 printf(" $%04x %02x\n", 0x220, val);
535
536 printf("BT463 window type table (from softc):\n");
537
538 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) {
539 printf("%02x %06x\n", i, data->window_type[i]);
540 }
541
542 return 0;
543 }
544
545 void
bt463_copyback(p)546 bt463_copyback(p)
547 void *p;
548 {
549 struct bt463data *data = (struct bt463data *)p;
550 int i;
551
552 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) {
553 bt463_wraddr(data, BT463_IREG_WINDOW_TYPE_TABLE + i);
554 data->window_type[i] = (BTRNREG(data) & 0xff); /* B0-7 */
555 data->window_type[i] |= (BTRNREG(data) & 0xff) << 8; /* B8-15 */
556 data->window_type[i] |= (BTRNREG(data) & 0xff) << 16; /* B16-23 */
557 }
558 }
559 #endif
560
561 inline void
bt463_wraddr(data,ireg)562 bt463_wraddr(data, ireg)
563 struct bt463data *data;
564 u_int16_t ireg;
565 {
566 data->ramdac_wr(data->cookie, BT463_REG_ADDR_LOW, ireg & 0xff);
567 data->ramdac_wr(data->cookie, BT463_REG_ADDR_HIGH, (ireg >> 8) & 0xff);
568 }
569
570 void
bt463_update(p)571 bt463_update(p)
572 void *p;
573 {
574 struct bt463data *data = (struct bt463data *)p;
575 int i, v;
576
577 if (console_data != NULL) {
578 /* The cookie passed in from sched_update is incorrect. Use the
579 * right one.
580 */
581 data = console_data;
582 }
583
584 v = data->changed;
585
586 /* The Bt463 won't accept window type data except during a blanking
587 * interval, so we do this early in the interrupt.
588 * Blanking the screen might also be a good idea, but it can cause
589 * unpleasant flashing and is hard to do from this side of the
590 * ramdac interface.
591 */
592 if (v & DATA_WTYPE_CHANGED) {
593 /* spit out the window type data */
594 for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) {
595 bt463_wraddr(data, BT463_IREG_WINDOW_TYPE_TABLE + i);
596 BTWNREG(data, (data->window_type[i]) & 0xff); /* B0-7 */
597 BTWNREG(data, (data->window_type[i] >> 8) & 0xff); /* B8-15 */
598 BTWNREG(data, (data->window_type[i] >> 16) & 0xff); /* B16-23 */
599 }
600 }
601
602 if (v & DATA_CURCMAP_CHANGED) {
603 bt463_wraddr(data, BT463_IREG_CURSOR_COLOR_0);
604 /* spit out the cursor data */
605 for (i = 0; i < 2; i++) {
606 BTWNREG(data, data->curcmap_r[i]);
607 BTWNREG(data, data->curcmap_g[i]);
608 BTWNREG(data, data->curcmap_b[i]);
609 }
610 }
611
612 if (v & DATA_CMAP_CHANGED) {
613 bt463_wraddr(data, BT463_IREG_CPALETTE_RAM);
614 /* spit out the colormap data */
615 for (i = 0; i < BT463_NCMAP_ENTRIES; i++) {
616 data->ramdac_wr(data->cookie, BT463_REG_CMAP_DATA,
617 data->cmap_r[i]);
618 data->ramdac_wr(data->cookie, BT463_REG_CMAP_DATA,
619 data->cmap_g[i]);
620 data->ramdac_wr(data->cookie, BT463_REG_CMAP_DATA,
621 data->cmap_b[i]);
622 }
623 }
624
625 data->changed = 0;
626 }
627
628 int
bt463_set_cursor(rc,cur)629 bt463_set_cursor (rc, cur)
630 struct ramdac_cookie *rc;
631 struct wsdisplay_cursor *cur;
632 {
633 struct bt463data *data = (struct bt463data *)rc;
634 return tga_builtin_set_cursor(data->cookie, cur);
635 }
636
637 int
bt463_get_cursor(rc,cur)638 bt463_get_cursor (rc, cur)
639 struct ramdac_cookie *rc;
640 struct wsdisplay_cursor *cur;
641 {
642 struct bt463data *data = (struct bt463data *)rc;
643 return tga_builtin_get_cursor(data->cookie, cur);
644 }
645
646 int
bt463_set_curpos(rc,cur)647 bt463_set_curpos (rc, cur)
648 struct ramdac_cookie *rc;
649 struct wsdisplay_curpos *cur;
650 {
651 struct bt463data *data = (struct bt463data *)rc;
652 return tga_builtin_set_curpos(data->cookie, cur);
653 }
654
655 int
bt463_get_curpos(rc,cur)656 bt463_get_curpos (rc, cur)
657 struct ramdac_cookie *rc;
658 struct wsdisplay_curpos *cur;
659 {
660 struct bt463data *data = (struct bt463data *)rc;
661 return tga_builtin_get_curpos(data->cookie, cur);
662 }
663
664 int
bt463_get_curmax(rc,cur)665 bt463_get_curmax (rc, cur)
666 struct ramdac_cookie *rc;
667 struct wsdisplay_curpos *cur;
668 {
669 struct bt463data *data = (struct bt463data *)rc;
670 return tga_builtin_get_curmax(data->cookie, cur);
671 }
672