hpcfb.c revision 1.14 1 /* $NetBSD: hpcfb.c,v 1.14 2001/08/15 15:16:53 uch Exp $ */
2
3 /*-
4 * Copyright (c) 1999
5 * Shin Takemura and PocketBSD Project. All rights reserved.
6 * Copyright (c) 2000,2001
7 * SATO Kazumi. All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the PocketBSD project
20 * and its contributors.
21 * 4. Neither the name of the project nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 */
38
39 /*
40 * jump scroll, scroll thread, multiscreen, virtual text vram
41 * and hpcfb_emulops functions
42 * written by SATO Kazumi.
43 */
44
45 #define FBDEBUG
46 static const char _copyright[] __attribute__ ((unused)) =
47 "Copyright (c) 1999 Shin Takemura. All rights reserved.";
48 static const char _rcsid[] __attribute__ ((unused)) =
49 "$NetBSD: hpcfb.c,v 1.14 2001/08/15 15:16:53 uch Exp $";
50
51 #include <sys/param.h>
52 #include <sys/systm.h>
53 #include <sys/kernel.h>
54 #include <sys/signalvar.h>
55 #include <sys/map.h>
56 #include <sys/proc.h>
57 #include <sys/kthread.h>
58 #include <sys/lock.h>
59 #include <sys/user.h>
60 #include <sys/device.h>
61 #include <sys/conf.h>
62 #include <sys/malloc.h>
63 #include <sys/buf.h>
64 #include <sys/ioctl.h>
65
66 #include <uvm/uvm_extern.h>
67
68 #include <machine/bus.h>
69
70 #include <dev/wscons/wsconsio.h>
71 #include <dev/wscons/wsdisplayvar.h>
72 #include <dev/wscons/wscons_callbacks.h>
73
74 #include <dev/wsfont/wsfont.h>
75 #include <dev/rasops/rasops.h>
76
77 #include <dev/hpc/hpcfbvar.h>
78 #include <dev/hpc/hpcfbio.h>
79
80 #include "bivideo.h"
81 #if NBIVIDEO > 0
82 #include <dev/hpc/bivideovar.h>
83 #endif
84
85 #ifdef FBDEBUG
86 int hpcfb_debug = 0;
87 #define DPRINTF(arg) if (hpcfb_debug) printf arg;
88 #else
89 #define DPRINTF(arg)
90 #endif
91
92 #ifndef HPCFB_MAX_COLUMN
93 #define HPCFB_MAX_COLUMN 130
94 #endif /* HPCFB_MAX_COLUMN */
95 #ifndef HPCFB_MAX_ROW
96 #define HPCFB_MAX_ROW 80
97 #endif /* HPCFB_MAX_ROW */
98
99 /*
100 * currently experimental
101 #define HPCFB_JUMP
102 */
103
104 struct hpcfb_vchar {
105 u_int c;
106 long attr;
107 };
108
109 struct hpcfb_tvrow {
110 int maxcol;
111 int spacecol;
112 struct hpcfb_vchar col[HPCFB_MAX_COLUMN];
113 };
114
115 struct hpcfb_devconfig {
116 struct rasops_info dc_rinfo; /* rasops information */
117
118 int dc_blanked; /* currently had video disabled */
119 struct hpcfb_softc *dc_sc;
120 int dc_rows;
121 int dc_cols;
122 struct hpcfb_tvrow *dc_tvram;
123 int dc_curx;
124 int dc_cury;
125 #ifdef HPCFB_JUMP
126 int dc_min_row;
127 int dc_max_row;
128 int dc_scroll;
129 struct callout dc_scroll_ch;
130 int dc_scroll_src;
131 int dc_scroll_dst;
132 int dc_scroll_num;
133 #endif /* HPCFB_JUMP */
134 volatile int dc_state;
135 #define HPCFB_DC_CURRENT 0x80000000
136 #define HPCFB_DC_DRAWING 0x01 /* drawing raster ops */
137 #define HPCFB_DC_TDRAWING 0x02 /* drawing tvram */
138 #define HPCFB_DC_SCROLLPENDING 0x04 /* scroll is pending */
139 #define HPCFB_DC_UPDATE 0x08 /* tvram update */
140 #define HPCFB_DC_SCRDELAY 0x10 /* scroll time but delay it */
141 #define HPCFB_DC_SCRTHREAD 0x20 /* in scroll thread or callout */
142 #define HPCFB_DC_UPDATEALL 0x40 /* need to redraw all */
143 #define HPCFB_DC_ABORT 0x80 /* abort redrawing */
144 #define HPCFB_DC_SWITCHREQ 0x100 /* switch request exist */
145 int dc_memsize;
146 u_char *dc_fbaddr;
147 };
148
149 #define IS_DRAWABLE(dc) \
150 (((dc)->dc_state&HPCFB_DC_CURRENT)&& \
151 (((dc)->dc_state&(HPCFB_DC_DRAWING|HPCFB_DC_SWITCHREQ)) == 0))
152
153 #define HPCFB_MAX_SCREEN 5
154 #define HPCFB_MAX_JUMP 5
155
156 struct hpcfb_softc {
157 struct device sc_dev;
158 struct hpcfb_devconfig *sc_dc; /* device configuration */
159 const struct hpcfb_accessops *sc_accessops;
160 void *sc_accessctx;
161 void *sc_powerhook; /* power management hook */
162 struct device *sc_wsdisplay;
163 int sc_screen_resumed;
164 int sc_polling;
165 int sc_mapping;
166 struct proc *sc_thread;
167 struct lock sc_lock;
168 void *sc_wantedscreen;
169 void (*sc_switchcb)(void *, int, int);
170 void *sc_switchcbarg;
171 struct callout sc_switch_callout;
172 int sc_nfbconf;
173 struct hpcfb_fbconf *sc_fbconflist;
174 };
175
176 /*
177 * function prototypes
178 */
179 int hpcfbmatch(struct device *, struct cfdata *, void *);
180 void hpcfbattach(struct device *, struct device *, void *);
181 int hpcfbprint(void *, const char *);
182
183 int hpcfb_ioctl(void *, u_long, caddr_t, int, struct proc *);
184 paddr_t hpcfb_mmap(void *, off_t, int);
185
186 void hpcfb_refresh_screen(struct hpcfb_softc *);
187 void hpcfb_doswitch(struct hpcfb_softc *);
188
189 #ifdef HPCFB_JUMP
190 static void hpcfb_create_thread(void *);
191 static void hpcfb_thread(void *);
192 #endif /* HPCFB_JUMP */
193
194 static int hpcfb_init(struct hpcfb_fbconf *, struct hpcfb_devconfig *);
195 static int hpcfb_alloc_screen(void *, const struct wsscreen_descr *,
196 void **, int *, int *, long *);
197 static void hpcfb_free_screen(void *, void *);
198 static int hpcfb_show_screen(void *, void *, int,
199 void (*) (void *, int, int), void *);
200 static void hpcfb_pollc(void *, int);
201 static void hpcfb_power(int, void *);
202 static void hpcfb_cmap_reorder(struct hpcfb_fbconf *,
203 struct hpcfb_devconfig *);
204
205 static int pow(int, int);
206
207 void hpcfb_cursor(void *, int, int, int);
208 int hpcfb_mapchar(void *, int, unsigned int *);
209 void hpcfb_putchar(void *, int, int, u_int, long);
210 void hpcfb_copycols(void *, int, int, int, int);
211 void hpcfb_erasecols(void *, int, int, int, long);
212 void hpcfb_redraw(void *, int, int, int);
213 void hpcfb_copyrows(void *, int, int, int);
214 void hpcfb_eraserows(void *, int, int, long);
215 int hpcfb_alloc_attr(void *, int, int, int, long *);
216 void hpcfb_cursor_raw(void *, int, int, int);
217
218 #ifdef HPCFB_JUMP
219 void hpcfb_update(void *);
220 void hpcfb_do_scroll(void *);
221 void hpcfb_check_update(void *);
222 #endif /* HPCFB_JUMP */
223
224 struct wsdisplay_emulops hpcfb_emulops = {
225 hpcfb_cursor,
226 hpcfb_mapchar,
227 hpcfb_putchar,
228 hpcfb_copycols,
229 hpcfb_erasecols,
230 hpcfb_copyrows,
231 hpcfb_eraserows,
232 hpcfb_alloc_attr
233 };
234
235 /*
236 * static variables
237 */
238 struct cfattach hpcfb_ca = {
239 sizeof(struct hpcfb_softc), hpcfbmatch, hpcfbattach,
240 };
241
242 struct wsscreen_descr hpcfb_stdscreen = {
243 "std",
244 0, 0, /* will be filled in -- XXX shouldn't, it's global */
245 &hpcfb_emulops, /* XXX */
246 0, 0,
247 WSSCREEN_REVERSE
248 };
249
250 const struct wsscreen_descr *_hpcfb_scrlist[] = {
251 &hpcfb_stdscreen,
252 /* XXX other formats, graphics screen? */
253 };
254
255 struct wsscreen_list hpcfb_screenlist = {
256 sizeof(_hpcfb_scrlist) / sizeof(struct wsscreen_descr *),
257 _hpcfb_scrlist
258 };
259
260 struct wsdisplay_accessops hpcfb_accessops = {
261 hpcfb_ioctl,
262 hpcfb_mmap,
263 hpcfb_alloc_screen,
264 hpcfb_free_screen,
265 hpcfb_show_screen,
266 0 /* load_font */,
267 hpcfb_pollc
268 };
269
270 void hpcfb_tv_putchar(struct hpcfb_devconfig *, int, int, u_int, long);
271 void hpcfb_tv_copycols(struct hpcfb_devconfig *, int, int, int, int);
272 void hpcfb_tv_erasecols(struct hpcfb_devconfig *, int, int, int, long);
273 void hpcfb_tv_copyrows(struct hpcfb_devconfig *, int, int, int);
274 void hpcfb_tv_eraserows(struct hpcfb_devconfig *, int, int, long);
275
276 struct wsdisplay_emulops rasops_emul;
277
278 static int hpcfbconsole;
279 struct hpcfb_devconfig hpcfb_console_dc;
280 struct wsscreen_descr hpcfb_console_wsscreen;
281 struct hpcfb_tvrow hpcfb_console_tvram[HPCFB_MAX_ROW];
282
283 /*
284 * function bodies
285 */
286 static int
287 pow(int x, int n)
288 {
289 int res = 1;
290 while (0 < n--) {
291 res *= x;
292 }
293 return (res);
294 }
295
296 int
297 hpcfbmatch(struct device *parent, struct cfdata *match, void *aux)
298 {
299 return (1);
300 }
301
302 void
303 hpcfbattach(struct device *parent, struct device *self, void *aux)
304 {
305 struct hpcfb_softc *sc = (struct hpcfb_softc *)self;
306 struct hpcfb_attach_args *ha = aux;
307 struct wsemuldisplaydev_attach_args wa;
308
309 sc->sc_accessops = ha->ha_accessops;
310 sc->sc_accessctx = ha->ha_accessctx;
311 sc->sc_nfbconf = ha->ha_nfbconf;
312 sc->sc_fbconflist = ha->ha_fbconflist;
313
314 if (hpcfbconsole) {
315 sc->sc_dc = &hpcfb_console_dc;
316 hpcfb_console_dc.dc_sc = sc;
317 printf(": %dx%d pixels, %d colors, %dx%d chars",
318 sc->sc_dc->dc_rinfo.ri_width,sc->sc_dc->dc_rinfo.ri_height,
319 pow(2, sc->sc_dc->dc_rinfo.ri_depth),
320 sc->sc_dc->dc_rinfo.ri_cols,sc->sc_dc->dc_rinfo.ri_rows);
321 /* Set video chip dependent CLUT if any. */
322 if (sc->sc_accessops->setclut)
323 sc->sc_accessops->setclut(sc->sc_accessctx,
324 &hpcfb_console_dc.dc_rinfo);
325 }
326 printf("\n");
327
328 sc->sc_polling = 0; /* XXX */
329 sc->sc_mapping = 0; /* XXX */
330 callout_init(&sc->sc_switch_callout);
331
332 /* Add a power hook to power management */
333 sc->sc_powerhook = powerhook_establish(hpcfb_power, sc);
334 if (sc->sc_powerhook == NULL)
335 printf("%s: WARNING: unable to establish power hook\n",
336 sc->sc_dev.dv_xname);
337
338 wa.console = hpcfbconsole;
339 wa.scrdata = &hpcfb_screenlist;
340 wa.accessops = &hpcfb_accessops;
341 wa.accesscookie = sc;
342
343 sc->sc_wsdisplay = config_found(self, &wa, wsemuldisplaydevprint);
344
345 #ifdef HPCFB_JUMP
346 /*
347 * Create a kernel thread to scroll,
348 */
349 kthread_create(hpcfb_create_thread, sc);
350 #endif /* HPCFB_JUMP */
351 }
352
353 #ifdef HPCFB_JUMP
354 void
355 hpcfb_create_thread(void *arg)
356 {
357 struct hpcfb_softc *sc = arg;
358
359 if (kthread_create1(hpcfb_thread, sc, &sc->sc_thread,
360 "%s", sc->sc_dev.dv_xname) == 0)
361 return;
362
363 /*
364 * We were unable to create the HPCFB thread; bail out.
365 */
366 sc->sc_thread = 0;
367 printf("%s: unable to create thread, kernel hpcfb scroll support disabled\n",
368 sc->sc_dev.dv_xname);
369 }
370
371 void
372 hpcfb_thread(void *arg)
373 {
374 struct hpcfb_softc *sc = arg;
375
376 /*
377 * Loop forever, doing a periodic check for update events.
378 */
379 for (;;) {
380 /* HPCFB_LOCK(sc); */
381 sc->sc_dc->dc_state |= HPCFB_DC_SCRTHREAD;
382 if (!sc->sc_mapping) /* draw only EMUL mode */
383 hpcfb_update(sc->sc_dc);
384 sc->sc_dc->dc_state &= ~HPCFB_DC_SCRTHREAD;
385 /* APM_UNLOCK(sc); */
386 (void) tsleep(sc, PWAIT, "hpcfb", (8 * hz) / 7 / 10);
387 }
388 }
389 #endif /* HPCFB_JUMP */
390
391 /* Print function (for parent devices). */
392 int
393 hpcfbprint(void *aux, const char *pnp)
394 {
395 if (pnp)
396 printf("hpcfb at %s", pnp);
397
398 return (UNCONF);
399 }
400
401 int
402 hpcfb_cnattach(struct hpcfb_fbconf *fbconf)
403 {
404 struct hpcfb_fbconf __fbconf __attribute__((__unused__));
405 long defattr;
406
407 DPRINTF(("%s(%d): hpcfb_cnattach()\n", __FILE__, __LINE__));
408 #if NBIVIDEO > 0
409 if (fbconf == 0) {
410 memset(&__fbconf, 0, sizeof(struct hpcfb_fbconf));
411 if (bivideo_getcnfb(&__fbconf) != 0)
412 return (ENXIO);
413 fbconf = &__fbconf;
414 }
415 #endif /* NBIVIDEO > 0 */
416 memset(&hpcfb_console_dc, 0, sizeof(struct hpcfb_devconfig));
417 if (hpcfb_init(fbconf, &hpcfb_console_dc) != 0)
418 return (ENXIO);
419 hpcfb_console_dc.dc_state |= HPCFB_DC_CURRENT;
420
421 hpcfb_console_dc.dc_tvram = hpcfb_console_tvram;
422 /* clear screen */
423 memset(hpcfb_console_tvram, 0, sizeof(hpcfb_console_tvram));
424 hpcfb_redraw(&hpcfb_console_dc, 0, hpcfb_console_dc.dc_rows, 1);
425
426 hpcfb_console_wsscreen = hpcfb_stdscreen;
427 hpcfb_console_wsscreen.nrows = hpcfb_console_dc.dc_rows;
428 hpcfb_console_wsscreen.ncols = hpcfb_console_dc.dc_cols;
429 hpcfb_console_wsscreen.capabilities = hpcfb_console_dc.dc_rinfo.ri_caps;
430 hpcfb_alloc_attr(&hpcfb_console_dc, 7, 0, 0, &defattr);
431 wsdisplay_cnattach(&hpcfb_console_wsscreen, &hpcfb_console_dc,
432 0, 0, defattr);
433 hpcfbconsole = 1;
434
435 return (0);
436 }
437
438 int
439 hpcfb_init(struct hpcfb_fbconf *fbconf, struct hpcfb_devconfig *dc)
440 {
441 struct rasops_info *ri;
442 vaddr_t fbaddr;
443
444 fbaddr = (vaddr_t)fbconf->hf_baseaddr;
445 dc->dc_fbaddr = (u_char *)fbaddr;
446
447 /* init rasops */
448 ri = &dc->dc_rinfo;
449 memset(ri, 0, sizeof(struct rasops_info));
450 ri->ri_depth = fbconf->hf_pixel_width;
451 ri->ri_bits = (caddr_t)fbaddr;
452 ri->ri_width = fbconf->hf_width;
453 ri->ri_height = fbconf->hf_height;
454 ri->ri_stride = fbconf->hf_bytes_per_line;
455 #if 0
456 ri->ri_flg = RI_FORCEMONO | RI_CURSOR;
457 #else
458 ri->ri_flg = RI_CURSOR;
459 #endif
460 if (fbconf->hf_order_flags & HPCFB_REVORDER_BYTE) {
461 #if BYTE_ORDER == BIG_ENDIAN
462 ri->ri_flg |= RI_BSWAP;
463 #endif
464 } else {
465 #if BYTE_ORDER == LITTLE_ENDIAN
466 ri->ri_flg |= RI_BSWAP;
467 #endif
468 }
469
470 if (rasops_init(ri, HPCFB_MAX_ROW, HPCFB_MAX_COLUMN)) {
471 panic("%s(%d): rasops_init() failed!", __FILE__, __LINE__);
472 }
473
474 /* over write color map of rasops */
475 hpcfb_cmap_reorder (fbconf, dc);
476
477 dc->dc_curx = -1;
478 dc->dc_cury = -1;
479 dc->dc_rows = dc->dc_rinfo.ri_rows;
480 dc->dc_cols = dc->dc_rinfo.ri_cols;
481 #ifdef HPCFB_JUMP
482 dc->dc_max_row = 0;
483 dc->dc_min_row = dc->dc_rows;
484 dc->dc_scroll = 0;
485 callout_init(&dc->dc_scroll_ch);
486 #endif /* HPCFB_JUMP */
487 dc->dc_memsize = ri->ri_stride * ri->ri_height;
488 /* hook rasops in hpcfb_ops */
489 rasops_emul = ri->ri_ops; /* struct copy */
490 ri->ri_ops = hpcfb_emulops; /* struct copy */
491
492 return (0);
493 }
494
495 static void
496 hpcfb_cmap_reorder(struct hpcfb_fbconf *fbconf, struct hpcfb_devconfig *dc)
497 {
498 struct rasops_info *ri = &dc->dc_rinfo;
499 int reverse = fbconf->hf_access_flags & HPCFB_ACCESS_REVERSE;
500 int *cmap = ri->ri_devcmap;
501 int i, j, bg, fg, tmp;
502
503 /*
504 * Set forground and background so that the screen
505 * looks black on white.
506 * Normally, black = 00 and white = ff.
507 * HPCFB_ACCESS_REVERSE means black = ff and white = 00.
508 */
509 switch (fbconf->hf_pixel_width) {
510 case 1:
511 /* FALLTHROUGH */
512 case 2:
513 /* FALLTHROUGH */
514 case 4:
515 if (reverse) {
516 bg = 0;
517 fg = ~0;
518 } else {
519 bg = ~0;
520 fg = 0;
521 }
522 /* for gray-scale LCD, hi-contrast color map */
523 cmap[0] = bg;
524 for (i = 1; i < 16; i++)
525 cmap[i] = fg;
526 break;
527 case 8:
528 /* FALLTHROUGH */
529 case 16:
530 if (reverse) {
531 for (i = 0, j = 15; i < 8; i++, j--) {
532 tmp = cmap[i];
533 cmap[i] = cmap[j];
534 cmap[j] = tmp;
535 }
536 }
537 break;
538 }
539 }
540
541 int
542 hpcfb_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
543 {
544 struct hpcfb_softc *sc = v;
545 struct hpcfb_devconfig *dc = sc->sc_dc;
546 struct wsdisplay_fbinfo *wdf;
547
548 DPRINTF(("hpcfb_ioctl(cmd=0x%lx)\n", cmd));
549 switch (cmd) {
550 case WSKBDIO_BELL:
551 return (0);
552 break;
553
554 case WSDISPLAYIO_GTYPE:
555 *(u_int *)data = WSDISPLAY_TYPE_HPCFB;
556 return (0);
557
558 case WSDISPLAYIO_GINFO:
559 wdf = (void *)data;
560 wdf->height = dc->dc_rinfo.ri_height;
561 wdf->width = dc->dc_rinfo.ri_width;
562 wdf->depth = dc->dc_rinfo.ri_depth;
563 wdf->cmsize = 256; /* XXXX */
564 return (0);
565
566 case WSDISPLAYIO_SMODE:
567 if (*(int *)data == WSDISPLAYIO_MODE_EMUL){
568 if (sc->sc_mapping){
569 sc->sc_mapping = 0;
570 if (dc->dc_state&HPCFB_DC_DRAWING)
571 dc->dc_state &= ~HPCFB_DC_ABORT;
572 #ifdef HPCFB_FORCE_REDRAW
573 hpcfb_refresh_screen(sc);
574 #else
575 dc->dc_state |= HPCFB_DC_UPDATEALL;
576 #endif
577 }
578 } else {
579 if (!sc->sc_mapping) {
580 sc->sc_mapping = 1;
581 dc->dc_state |= HPCFB_DC_ABORT;
582 }
583 sc->sc_mapping = 1;
584 }
585 if (sc && sc->sc_accessops->iodone)
586 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
587 return (0);
588
589 case WSDISPLAYIO_GETCMAP:
590 case WSDISPLAYIO_PUTCMAP:
591 case WSDISPLAYIO_GETPARAM:
592 case WSDISPLAYIO_SETPARAM:
593 case HPCFBIO_GCONF:
594 case HPCFBIO_SCONF:
595 case HPCFBIO_GDSPCONF:
596 case HPCFBIO_SDSPCONF:
597 case HPCFBIO_GOP:
598 case HPCFBIO_SOP:
599 return ((*sc->sc_accessops->ioctl)(sc->sc_accessctx,
600 cmd, data, flag, p));
601
602 default:
603 if (IOCGROUP(cmd) != 't')
604 DPRINTF(("%s(%d): hpcfb_ioctl(%lx, %lx) grp=%c num=%ld\n",
605 __FILE__, __LINE__,
606 cmd, (u_long)data, (char)IOCGROUP(cmd), cmd&0xff));
607 break;
608 }
609
610 return (ENOTTY); /* Inappropriate ioctl for device */
611 }
612
613 paddr_t
614 hpcfb_mmap(void *v, off_t offset, int prot)
615 {
616 struct hpcfb_softc *sc = v;
617
618 return ((*sc->sc_accessops->mmap)(sc->sc_accessctx, offset, prot));
619 }
620
621 static void
622 hpcfb_power(int why, void *arg)
623 {
624 struct hpcfb_softc *sc = arg;
625
626 switch (why) {
627 case PWR_STANDBY:
628 break;
629 case PWR_SOFTSUSPEND:
630 /* XXX, casting to 'struct wsdisplay_softc *' means
631 that you should not call the method here... */
632 sc->sc_screen_resumed = wsdisplay_getactivescreen(
633 (struct wsdisplay_softc *)sc->sc_wsdisplay);
634 if (wsdisplay_switch(sc->sc_wsdisplay,
635 WSDISPLAY_NULLSCREEN,
636 1 /* waitok */) == 0) {
637 wsscreen_switchwait(
638 (struct wsdisplay_softc *)sc->sc_wsdisplay,
639 WSDISPLAY_NULLSCREEN);
640 } else {
641 sc->sc_screen_resumed = WSDISPLAY_NULLSCREEN;
642 }
643
644 sc->sc_dc->dc_state &= ~HPCFB_DC_CURRENT;
645 break;
646 case PWR_SOFTRESUME:
647 sc->sc_dc->dc_state |= HPCFB_DC_CURRENT;
648 if (sc->sc_screen_resumed != WSDISPLAY_NULLSCREEN)
649 wsdisplay_switch(sc->sc_wsdisplay,
650 sc->sc_screen_resumed,
651 1 /* waitok */);
652 break;
653 }
654 }
655
656 void
657 hpcfb_refresh_screen(struct hpcfb_softc *sc)
658 {
659 struct hpcfb_devconfig *dc = sc->sc_dc;
660 int x, y;
661
662 DPRINTF(("hpcfb_refres_screen()\n"));
663 if (dc == NULL)
664 return;
665
666 #ifdef HPCFB_JUMP
667 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
668 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
669 dc->dc_state &= ~HPCFB_DC_UPDATE;
670 callout_stop(&dc->dc_scroll_ch);
671 }
672 #endif /* HPCFB_JUMP */
673 /*
674 * refresh screen
675 */
676 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
677 x = dc->dc_curx;
678 y = dc->dc_cury;
679 if (0 <= x && 0 <= y)
680 hpcfb_cursor_raw(dc, 0, y, x); /* disable cursor */
681 /* redraw all text */
682 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
683 if (0 <= x && 0 <= y)
684 hpcfb_cursor_raw(dc, 1, y, x); /* enable cursor */
685 }
686
687 static int
688 hpcfb_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
689 int *curxp, int *curyp, long *attrp)
690 {
691 struct hpcfb_softc *sc = v;
692 struct hpcfb_devconfig *dc;
693
694 DPRINTF(("%s(%d): hpcfb_alloc_screen()\n", __FILE__, __LINE__));
695
696 dc = malloc(sizeof(struct hpcfb_devconfig), M_DEVBUF, M_WAITOK);
697 if (dc == NULL)
698 return (ENOMEM);
699
700 memset(dc, 0, sizeof(struct hpcfb_devconfig));
701 dc->dc_sc = sc;
702 if (hpcfb_init(&sc->sc_fbconflist[0], dc) != 0)
703 return (EINVAL);
704 if (sc->sc_accessops->font) {
705 sc->sc_accessops->font(sc->sc_accessctx,
706 dc->dc_rinfo.ri_font);
707 }
708 /* Set video chip dependent CLUT if any. */
709 if (sc->sc_accessops->setclut)
710 sc->sc_accessops->setclut(sc->sc_accessctx, &dc->dc_rinfo);
711 printf("hpcfb: %dx%d pixels, %d colors, %dx%d chars\n",
712 dc->dc_rinfo.ri_width, dc->dc_rinfo.ri_height,
713 pow(2, dc->dc_rinfo.ri_depth),
714 dc->dc_rinfo.ri_cols, dc->dc_rinfo.ri_rows);
715
716 /*
717 * XXX, wsdisplay won't reffer the information in wsscreen_descr
718 * structure until alloc_screen will be called, at least, under
719 * current implementation...
720 */
721 hpcfb_stdscreen.nrows = dc->dc_rows;
722 hpcfb_stdscreen.ncols = dc->dc_cols;
723 hpcfb_stdscreen.capabilities = dc->dc_rinfo.ri_caps;
724
725 dc->dc_fbaddr = dc->dc_rinfo.ri_bits;
726 dc->dc_rows = dc->dc_rinfo.ri_rows;
727 dc->dc_cols = dc->dc_rinfo.ri_cols;
728 dc->dc_memsize = dc->dc_rinfo.ri_stride * dc->dc_rinfo.ri_height;
729
730 dc->dc_curx = -1;
731 dc->dc_cury = -1;
732 dc->dc_tvram = malloc(sizeof(struct hpcfb_tvrow)*dc->dc_rows,
733 M_DEVBUF, M_WAITOK);
734 if (dc->dc_tvram == NULL){
735 free(dc, M_DEVBUF);
736 return (ENOMEM);
737 }
738 memset(dc->dc_tvram, 0, sizeof(struct hpcfb_tvrow)*dc->dc_rows);
739
740 *curxp = 0;
741 *curyp = 0;
742 *cookiep = dc;
743 hpcfb_alloc_attr(*cookiep, 7, 0, 0, attrp);
744 DPRINTF(("%s(%d): hpcfb_alloc_screen(): 0x%p\n",
745 __FILE__, __LINE__, dc));
746
747 return (0);
748 }
749
750 static void
751 hpcfb_free_screen(void *v, void *cookie)
752 {
753 struct hpcfb_devconfig *dc = cookie;
754
755 DPRINTF(("%s(%d): hpcfb_free_screen(0x%p)\n",
756 __FILE__, __LINE__, cookie));
757 #ifdef DIAGNOSTIC
758 if (dc == &hpcfb_console_dc)
759 panic("hpcfb_free_screen: console");
760 #endif
761 free(dc->dc_tvram, M_DEVBUF);
762 free(dc, M_DEVBUF);
763 }
764
765 static int
766 hpcfb_show_screen(void *v, void *cookie, int waitok,
767 void (*cb)(void *, int, int), void *cbarg)
768 {
769 struct hpcfb_softc *sc = v;
770 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
771 struct hpcfb_devconfig *odc;
772
773 DPRINTF(("%s(%d): hpcfb_show_screen(0x%p)\n",
774 __FILE__, __LINE__, dc));
775
776 odc = sc->sc_dc;
777
778 if (dc == NULL || odc == dc) {
779 hpcfb_refresh_screen(sc);
780 return (0);
781 }
782
783 if (odc != NULL) {
784 odc->dc_state |= HPCFB_DC_SWITCHREQ;
785
786 if ((odc->dc_state&HPCFB_DC_DRAWING) != 0) {
787 odc->dc_state |= HPCFB_DC_ABORT;
788 }
789 }
790
791 sc->sc_wantedscreen = cookie;
792 sc->sc_switchcb = cb;
793 sc->sc_switchcbarg = cbarg;
794 if (cb) {
795 callout_reset(&sc->sc_switch_callout, 0,
796 (void(*)(void *))hpcfb_doswitch, sc);
797 return (EAGAIN);
798 }
799
800 hpcfb_doswitch(sc);
801 return (0);
802 }
803
804 void
805 hpcfb_doswitch(struct hpcfb_softc *sc)
806 {
807 struct hpcfb_devconfig *dc;
808 struct hpcfb_devconfig *odc;
809
810 DPRINTF(("hpcfb_doswitch()\n"));
811 odc = sc->sc_dc;
812 dc = sc->sc_wantedscreen;
813
814 if (!dc) {
815 (*sc->sc_switchcb)(sc->sc_switchcbarg, EIO, 0);
816 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
817 return;
818 }
819
820 if (odc == dc) {
821 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
822 return;
823 }
824
825 if (odc) {
826 #ifdef HPCFB_JUMP
827 odc->dc_state |= HPCFB_DC_ABORT;
828 #endif /* HPCFB_JUMP */
829
830 if (odc->dc_curx >= 0 && odc->dc_cury >= 0)
831 hpcfb_cursor_raw(odc, 0, odc->dc_cury, odc->dc_curx);
832 /* disable cursor */
833 /* disable old screen */
834 odc->dc_state &= ~HPCFB_DC_CURRENT;
835 /* XXX, This is too dangerous.
836 odc->dc_rinfo.ri_bits = NULL;
837 */
838 }
839 /* switch screen to new one */
840 dc->dc_state |= HPCFB_DC_CURRENT;
841 dc->dc_state &= ~HPCFB_DC_ABORT;
842 dc->dc_rinfo.ri_bits = dc->dc_fbaddr;
843 sc->sc_dc = dc;
844
845 /* redraw screen image */
846 hpcfb_refresh_screen(sc);
847
848 sc->sc_wantedscreen = NULL;
849 if (sc->sc_switchcb)
850 (*sc->sc_switchcb)(sc->sc_switchcbarg, 0, 0);
851
852 if (odc != NULL)
853 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
854 dc->dc_state &= ~HPCFB_DC_SWITCHREQ;
855 return;
856 }
857
858 static void
859 hpcfb_pollc(void *v, int on)
860 {
861 struct hpcfb_softc *sc = v;
862
863 if (sc == NULL)
864 return;
865 sc->sc_polling = on;
866 if (sc->sc_accessops->iodone)
867 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
868 if (on) {
869 hpcfb_refresh_screen(sc);
870 if (sc->sc_accessops->iodone)
871 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
872 }
873
874 return;
875 }
876
877 /*
878 * cursor
879 */
880 void
881 hpcfb_cursor(void *cookie, int on, int row, int col)
882 {
883 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
884
885 if (on) {
886 dc->dc_curx = col;
887 dc->dc_cury = row;
888 } else {
889 dc->dc_curx = -1;
890 dc->dc_cury = -1;
891 }
892
893 hpcfb_cursor_raw(cookie, on, row, col);
894 }
895
896 void
897 hpcfb_cursor_raw(cookie, on, row, col)
898 void *cookie;
899 int on, row, col;
900 {
901 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
902 struct hpcfb_softc *sc = dc->dc_sc;
903 struct rasops_info *ri = &dc->dc_rinfo;
904 int curwidth, curheight;
905 int xoff, yoff;
906
907 #ifdef HPCFB_JUMP
908 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
909 dc->dc_state |= HPCFB_DC_UPDATE;
910 return;
911 }
912 #endif /* HPCFB_JUMP */
913 if (!IS_DRAWABLE(dc)) {
914 return;
915 }
916
917 if (ri->ri_bits == NULL)
918 return;
919
920 dc->dc_state |= HPCFB_DC_DRAWING;
921 if (sc && sc->sc_accessops->cursor) {
922 xoff = col * ri->ri_font->fontwidth;
923 yoff = row * ri->ri_font->fontheight;
924 curheight = ri->ri_font->fontheight;
925 curwidth = ri->ri_font->fontwidth;
926 (*sc->sc_accessops->cursor)(sc->sc_accessctx,
927 on, xoff, yoff, curwidth, curheight);
928 } else
929 rasops_emul.cursor(ri, on, row, col);
930 dc->dc_state &= ~HPCFB_DC_DRAWING;
931 }
932
933 /*
934 * mapchar
935 */
936 int
937 hpcfb_mapchar(void *cookie, int c, unsigned int *cp)
938 {
939 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
940 struct rasops_info *ri = &dc->dc_rinfo;
941
942 return (rasops_emul.mapchar(ri, c, cp));
943 }
944
945 /*
946 * putchar
947 */
948 void
949 hpcfb_tv_putchar(struct hpcfb_devconfig *dc, int row, int col, u_int uc,
950 long attr)
951 {
952 struct hpcfb_tvrow *vscn = dc->dc_tvram;
953 struct hpcfb_vchar *vc = &vscn[row].col[col];
954 struct hpcfb_vchar *vcb;
955
956 if (vscn == 0)
957 return;
958
959 dc->dc_state |= HPCFB_DC_TDRAWING;
960 #ifdef HPCFB_JUMP
961 if (row < dc->dc_min_row)
962 dc->dc_min_row = row;
963 if (row > dc->dc_max_row)
964 dc->dc_max_row = row;
965
966 #endif /* HPCFB_JUMP */
967 if (vscn[row].maxcol +1 == col)
968 vscn[row].maxcol = col;
969 else if (vscn[row].maxcol < col) {
970 vcb = &vscn[row].col[vscn[row].maxcol+1];
971 memset(vcb, 0,
972 sizeof(struct hpcfb_vchar)*(col-vscn[row].maxcol-1));
973 vscn[row].maxcol = col;
974 }
975 vc->c = uc;
976 vc->attr = attr;
977 dc->dc_state &= ~HPCFB_DC_TDRAWING;
978 #ifdef HPCFB_JUMP
979 hpcfb_check_update(dc);
980 #endif /* HPCFB_JUMP */
981 }
982
983 void
984 hpcfb_putchar(void *cookie, int row, int col, u_int uc, long attr)
985 {
986 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
987 struct hpcfb_softc *sc = dc->dc_sc;
988 struct rasops_info *ri = &dc->dc_rinfo;
989 int xoff;
990 int yoff;
991 int fclr, uclr;
992 struct wsdisplay_font *font;
993
994 hpcfb_tv_putchar(dc, row, col, uc, attr);
995 #ifdef HPCFB_JUMP
996 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
997 dc->dc_state |= HPCFB_DC_UPDATE;
998 return;
999 }
1000 #endif /* HPCFB_JUMP */
1001
1002 if (!IS_DRAWABLE(dc)) {
1003 return;
1004 }
1005
1006 if (ri->ri_bits == NULL)
1007 return;
1008
1009 dc->dc_state |= HPCFB_DC_DRAWING;
1010 if (sc && sc->sc_accessops->putchar
1011 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1012 font = ri->ri_font;
1013 yoff = row * ri->ri_font->fontheight;
1014 xoff = col * ri->ri_font->fontwidth;
1015 fclr = ri->ri_devcmap[((u_int)attr >> 24) & 15];
1016 uclr = ri->ri_devcmap[((u_int)attr >> 16) & 15];
1017
1018 (*sc->sc_accessops->putchar)(sc->sc_accessctx,
1019 xoff, yoff, font, fclr, uclr, uc, attr);
1020 } else
1021 rasops_emul.putchar(ri, row, col, uc, attr);
1022 dc->dc_state &= ~HPCFB_DC_DRAWING;
1023 #ifdef HPCFB_JUMP
1024 hpcfb_check_update(dc);
1025 #endif /* HPCFB_JUMP */
1026 }
1027
1028 /*
1029 * copycols
1030 */
1031 void
1032 hpcfb_tv_copycols(struct hpcfb_devconfig *dc, int row, int srccol, int dstcol,
1033 int ncols)
1034 {
1035 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1036 struct hpcfb_vchar *svc = &vscn[row].col[srccol];
1037 struct hpcfb_vchar *dvc = &vscn[row].col[dstcol];
1038
1039 if (vscn == 0)
1040 return;
1041
1042 dc->dc_state |= HPCFB_DC_TDRAWING;
1043 #ifdef HPCFB_JUMP
1044 if (row < dc->dc_min_row)
1045 dc->dc_min_row = row;
1046 if (row > dc->dc_max_row)
1047 dc->dc_max_row = row;
1048 #endif /* HPCFB_JUMP */
1049
1050 memcpy(dvc, svc, ncols*sizeof(struct hpcfb_vchar));
1051 if (vscn[row].maxcol < srccol+ncols-1)
1052 vscn[row].maxcol = srccol+ncols-1;
1053 if (vscn[row].maxcol < dstcol+ncols-1)
1054 vscn[row].maxcol = dstcol+ncols-1;
1055 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1056 #ifdef HPCFB_JUMP
1057 hpcfb_check_update(dc);
1058 #endif /* HPCFB_JUMP */
1059 }
1060
1061 void
1062 hpcfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1063 {
1064 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1065 struct hpcfb_softc *sc = dc->dc_sc;
1066 struct rasops_info *ri = &dc->dc_rinfo;
1067 int srcxoff,dstxoff;
1068 int srcyoff,dstyoff;
1069 int height, width;
1070
1071 hpcfb_tv_copycols(dc, row, srccol, dstcol, ncols);
1072 #ifdef HPCFB_JUMP
1073 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1074 dc->dc_state |= HPCFB_DC_UPDATE;
1075 return;
1076 }
1077 #endif /* HPCFB_JUMP */
1078 if (!IS_DRAWABLE(dc)) {
1079 return;
1080 }
1081
1082 if (ri->ri_bits == NULL)
1083 return;
1084
1085 dc->dc_state |= HPCFB_DC_DRAWING;
1086 if (sc && sc->sc_accessops->bitblit
1087 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1088 srcxoff = srccol * ri->ri_font->fontwidth;
1089 srcyoff = row * ri->ri_font->fontheight;
1090 dstxoff = dstcol * ri->ri_font->fontwidth;
1091 dstyoff = row * ri->ri_font->fontheight;
1092 width = ncols * ri->ri_font->fontwidth;
1093 height = ri->ri_font->fontheight;
1094 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1095 srcxoff, srcyoff, dstxoff, dstyoff, height, width);
1096 } else
1097 rasops_emul.copycols(ri, row, srccol, dstcol, ncols);
1098 dc->dc_state &= ~HPCFB_DC_DRAWING;
1099 #ifdef HPCFB_JUMP
1100 hpcfb_check_update(dc);
1101 #endif /* HPCFB_JUMP */
1102 }
1103
1104
1105 /*
1106 * erasecols
1107 */
1108 void
1109 hpcfb_tv_erasecols(struct hpcfb_devconfig *dc, int row, int startcol,
1110 int ncols, long attr)
1111 {
1112 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1113
1114 if (vscn == 0)
1115 return;
1116
1117 dc->dc_state |= HPCFB_DC_TDRAWING;
1118 #ifdef HPCFB_JUMP
1119 if (row < dc->dc_min_row)
1120 dc->dc_min_row = row;
1121 if (row > dc->dc_max_row)
1122 dc->dc_max_row = row;
1123 #endif /* HPCFB_JUMP */
1124
1125 vscn[row].maxcol = startcol-1;
1126 if (vscn[row].spacecol < startcol+ncols-1)
1127 vscn[row].spacecol = startcol+ncols-1;
1128 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1129 #ifdef HPCFB_JUMP
1130 hpcfb_check_update(dc);
1131 #endif /* HPCFB_JUMP */
1132 }
1133
1134 void
1135 hpcfb_erasecols(void *cookie, int row, int startcol, int ncols, long attr)
1136 {
1137 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1138 struct hpcfb_softc *sc = dc->dc_sc;
1139 struct rasops_info *ri = &dc->dc_rinfo;
1140 int xoff, yoff;
1141 int width, height;
1142
1143 hpcfb_tv_erasecols(dc, row, startcol, ncols, attr);
1144 #ifdef HPCFB_JUMP
1145 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1146 dc->dc_state |= HPCFB_DC_UPDATE;
1147 return;
1148 }
1149 #endif /* HPCFB_JUMP */
1150 if (!IS_DRAWABLE(dc)) {
1151 return;
1152 }
1153
1154 if (ri->ri_bits == NULL)
1155 return;
1156
1157 dc->dc_state |= HPCFB_DC_DRAWING;
1158 if (sc && sc->sc_accessops->erase
1159 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1160 xoff = startcol * ri->ri_font->fontwidth;
1161 yoff = row * ri->ri_font->fontheight;
1162 width = ncols * ri->ri_font->fontwidth;
1163 height = ri->ri_font->fontheight;
1164 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1165 xoff, yoff, height, width, attr);
1166 } else
1167 rasops_emul.erasecols(ri, row, startcol, ncols, attr);
1168 dc->dc_state &= ~HPCFB_DC_DRAWING;
1169 #ifdef HPCFB_JUMP
1170 hpcfb_check_update(dc);
1171 #endif /* HPCFB_JUMP */
1172 }
1173
1174 /*
1175 * Copy rows.
1176 */
1177 void
1178 hpcfb_tv_copyrows(struct hpcfb_devconfig *dc, int src, int dst, int num)
1179 {
1180 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1181 struct hpcfb_tvrow *svc = &vscn[src];
1182 struct hpcfb_tvrow *dvc = &vscn[dst];
1183 int i;
1184 int d;
1185
1186 if (vscn == 0)
1187 return;
1188
1189 dc->dc_state |= HPCFB_DC_TDRAWING;
1190 #ifdef HPCFB_JUMP
1191 if (dst < dc->dc_min_row)
1192 dc->dc_min_row = dst;
1193 if (dst + num > dc->dc_max_row)
1194 dc->dc_max_row = dst + num -1;
1195 #endif /* HPCFB_JUMP */
1196
1197 if (svc > dvc)
1198 d = 1;
1199 else if (svc < dvc) {
1200 svc += num-1;
1201 dvc += num-1;
1202 d = -1;
1203 } else {
1204 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1205 #ifdef HPCFB_JUMP
1206 hpcfb_check_update(dc);
1207 #endif /* HPCFB_JUMP */
1208 return;
1209 }
1210
1211 for (i = 0; i < num; i++) {
1212 memcpy(&dvc->col[0], &svc->col[0], sizeof(struct hpcfb_vchar)*(svc->maxcol+1));
1213 if (svc->maxcol < dvc->maxcol && dvc->spacecol < dvc->maxcol)
1214 dvc->spacecol = dvc->maxcol;
1215 dvc->maxcol = svc->maxcol;
1216 svc+=d;
1217 dvc+=d;
1218 }
1219 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1220 #ifdef HPCFB_JUMP
1221 hpcfb_check_update(dc);
1222 #endif /* HPCFB_JUMP */
1223 }
1224
1225 void
1226 hpcfb_redraw(cookie, row, num, all)
1227 void *cookie;
1228 int row, num;
1229 int all;
1230 {
1231 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1232 struct rasops_info *ri = &dc->dc_rinfo;
1233 int cols;
1234 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1235 struct hpcfb_vchar *svc;
1236 int i, j;
1237
1238 #ifdef HPCFB_JUMP
1239 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1240 dc->dc_state |= HPCFB_DC_UPDATE;
1241 return;
1242 }
1243 #endif /* HPCFB_JUMP */
1244 if (dc->dc_sc != NULL
1245 && !dc->dc_sc->sc_polling
1246 && dc->dc_sc->sc_mapping)
1247 return;
1248
1249 dc->dc_state &= ~HPCFB_DC_ABORT;
1250
1251 if (vscn == 0)
1252 return;
1253
1254 if (!IS_DRAWABLE(dc)) {
1255 return;
1256 }
1257
1258 if (ri->ri_bits == NULL)
1259 return;
1260
1261 dc->dc_state |= HPCFB_DC_DRAWING;
1262 dc->dc_state |= HPCFB_DC_TDRAWING;
1263 for (i = 0; i < num; i++) {
1264 if (dc->dc_state&HPCFB_DC_ABORT)
1265 break;
1266 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1267 break;
1268 cols = vscn[row+i].maxcol;
1269 for (j = 0; j <= cols; j++) {
1270 if (dc->dc_state&HPCFB_DC_ABORT)
1271 continue;
1272 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1273 continue;
1274 svc = &vscn[row+i].col[j];
1275 rasops_emul.putchar(ri, row + i, j, svc->c, svc->attr);
1276 }
1277 if (all)
1278 cols = dc->dc_cols-1;
1279 else
1280 cols = vscn[row+i].spacecol;
1281 for (; j <= cols; j++) {
1282 if (dc->dc_state&HPCFB_DC_ABORT)
1283 continue;
1284 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1285 continue;
1286 rasops_emul.putchar(ri, row + i, j, ' ', 0);
1287 }
1288 vscn[row+i].spacecol = 0;
1289 }
1290 if (dc->dc_state&HPCFB_DC_ABORT)
1291 dc->dc_state &= ~HPCFB_DC_ABORT;
1292 dc->dc_state &= ~HPCFB_DC_DRAWING;
1293 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1294 #ifdef HPCFB_JUMP
1295 hpcfb_check_update(dc);
1296 #endif /* HPCFB_JUMP */
1297 }
1298
1299 #ifdef HPCFB_JUMP
1300 void
1301 hpcfb_update(void *v)
1302 {
1303 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1304
1305 /* callout_stop(&dc->dc_scroll_ch); */
1306 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1307 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1308 hpcfb_cursor_raw(dc, 0, dc->dc_cury, dc->dc_curx);
1309 if ((dc->dc_state&HPCFB_DC_UPDATEALL)) {
1310 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
1311 dc->dc_state &= ~(HPCFB_DC_UPDATE|HPCFB_DC_UPDATEALL);
1312 } else if ((dc->dc_state&HPCFB_DC_UPDATE)) {
1313 hpcfb_redraw(dc, dc->dc_min_row,
1314 dc->dc_max_row - dc->dc_min_row, 0);
1315 dc->dc_state &= ~HPCFB_DC_UPDATE;
1316 } else {
1317 hpcfb_redraw(dc, dc->dc_scroll_dst, dc->dc_scroll_num, 0);
1318 }
1319 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1320 hpcfb_cursor_raw(dc, 1, dc->dc_cury, dc->dc_curx);
1321 }
1322
1323 void
1324 hpcfb_do_scroll(void *v)
1325 {
1326 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1327
1328 dc->dc_state |= HPCFB_DC_SCRTHREAD;
1329 if (dc->dc_state&(HPCFB_DC_DRAWING|HPCFB_DC_TDRAWING))
1330 dc->dc_state |= HPCFB_DC_SCRDELAY;
1331 else if (dc->dc_sc != NULL && dc->dc_sc->sc_thread)
1332 wakeup(dc->dc_sc);
1333 else if (dc->dc_sc != NULL && !dc->dc_sc->sc_mapping) {
1334 /* draw only EMUL mode */
1335 hpcfb_update(v);
1336 }
1337 dc->dc_state &= ~HPCFB_DC_SCRTHREAD;
1338 }
1339
1340 void
1341 hpcfb_check_update(void *v)
1342 {
1343 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1344
1345 if (dc->dc_sc != NULL
1346 && dc->dc_sc->sc_polling
1347 && (dc->dc_state&HPCFB_DC_SCROLLPENDING)){
1348 callout_stop(&dc->dc_scroll_ch);
1349 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1350 hpcfb_update(v);
1351 }
1352 else if (dc->dc_state&HPCFB_DC_SCRDELAY){
1353 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1354 hpcfb_update(v);
1355 } else if (dc->dc_state&HPCFB_DC_UPDATEALL){
1356 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
1357 hpcfb_update(v);
1358 }
1359 }
1360 #endif /* HPCFB_JUMP */
1361
1362 void
1363 hpcfb_copyrows(void *cookie, int src, int dst, int num)
1364 {
1365 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1366 struct rasops_info *ri = &dc->dc_rinfo;
1367 struct hpcfb_softc *sc = dc->dc_sc;
1368 int srcyoff, dstyoff;
1369 int width, height;
1370
1371 hpcfb_tv_copyrows(cookie, src, dst, num);
1372
1373 if (!IS_DRAWABLE(dc)) {
1374 return;
1375 }
1376
1377 if (ri->ri_bits == NULL)
1378 return;
1379
1380 if (sc && sc->sc_accessops->bitblit
1381 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1382 dc->dc_state |= HPCFB_DC_DRAWING;
1383 srcyoff = src * ri->ri_font->fontheight;
1384 dstyoff = dst * ri->ri_font->fontheight;
1385 width = dc->dc_cols * ri->ri_font->fontwidth;
1386 height = num * ri->ri_font->fontheight;
1387 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1388 0, srcyoff, 0, dstyoff, height, width);
1389 dc->dc_state &= ~HPCFB_DC_DRAWING;
1390 }
1391 else {
1392 #ifdef HPCFB_JUMP
1393 if (sc && sc->sc_polling) {
1394 hpcfb_check_update(dc);
1395 } else if ((dc->dc_state&HPCFB_DC_SCROLLPENDING) == 0) {
1396 dc->dc_state |= HPCFB_DC_SCROLLPENDING;
1397 dc->dc_scroll = 1;
1398 dc->dc_scroll_src = src;
1399 dc->dc_scroll_dst = dst;
1400 dc->dc_scroll_num = num;
1401 callout_reset(&dc->dc_scroll_ch, hz/100, &hpcfb_do_scroll, dc);
1402 return;
1403 } else if (dc->dc_scroll++ < dc->dc_rows/HPCFB_MAX_JUMP) {
1404 dc->dc_state |= HPCFB_DC_UPDATE;
1405 return;
1406 } else {
1407 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1408 callout_stop(&dc->dc_scroll_ch);
1409 }
1410 if (dc->dc_state&HPCFB_DC_UPDATE) {
1411 dc->dc_state &= ~HPCFB_DC_UPDATE;
1412 hpcfb_redraw(cookie, dc->dc_min_row,
1413 dc->dc_max_row - dc->dc_min_row, 0);
1414 dc->dc_max_row = 0;
1415 dc->dc_min_row = dc->dc_rows;
1416 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1417 hpcfb_cursor(dc, 1, dc->dc_cury, dc->dc_curx);
1418 return;
1419 }
1420 #endif /* HPCFB_JUMP */
1421 hpcfb_redraw(cookie, dst, num, 0);
1422 }
1423 #ifdef HPCFB_JUMP
1424 hpcfb_check_update(dc);
1425 #endif /* HPCFB_JUMP */
1426 }
1427
1428 /*
1429 * eraserows
1430 */
1431 void
1432 hpcfb_tv_eraserows(struct hpcfb_devconfig *dc, int row, int nrow, long attr)
1433 {
1434 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1435 int cols;
1436 int i;
1437
1438 if (vscn == 0)
1439 return;
1440
1441 dc->dc_state |= HPCFB_DC_TDRAWING;
1442 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1443 #ifdef HPCFB_JUMP
1444 if (row < dc->dc_min_row)
1445 dc->dc_min_row = row;
1446 if (row + nrow > dc->dc_max_row)
1447 dc->dc_max_row = row + nrow;
1448 #endif /* HPCFB_JUMP */
1449
1450 for (i = 0; i < nrow; i++) {
1451 cols = vscn[row+i].maxcol;
1452 if (vscn[row+i].spacecol < cols)
1453 vscn[row+i].spacecol = cols;
1454 vscn[row+i].maxcol = -1;
1455 }
1456 #ifdef HPCFB_JUMP
1457 hpcfb_check_update(dc);
1458 #endif /* HPCFB_JUMP */
1459 }
1460
1461 void
1462 hpcfb_eraserows(void *cookie, int row, int nrow, long attr)
1463 {
1464 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1465 struct hpcfb_softc *sc = dc->dc_sc;
1466 struct rasops_info *ri = &dc->dc_rinfo;
1467 int yoff;
1468 int width;
1469 int height;
1470
1471 hpcfb_tv_eraserows(dc, row, nrow, attr);
1472 #ifdef HPCFB_JUMP
1473 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1474 dc->dc_state |= HPCFB_DC_UPDATE;
1475 return;
1476 }
1477 #endif /* HPCFB_JUMP */
1478 if (!IS_DRAWABLE(dc)) {
1479 return;
1480 }
1481
1482 if (ri->ri_bits == NULL)
1483 return;
1484
1485 dc->dc_state |= HPCFB_DC_DRAWING;
1486 if (sc && sc->sc_accessops->erase
1487 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1488 yoff = row * ri->ri_font->fontheight;
1489 width = dc->dc_cols * ri->ri_font->fontwidth;
1490 height = nrow * ri->ri_font->fontheight;
1491 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1492 0, yoff, height, width, attr);
1493 } else
1494 rasops_emul.eraserows(ri, row, nrow, attr);
1495 dc->dc_state &= ~HPCFB_DC_DRAWING;
1496 #ifdef HPCFB_JUMP
1497 hpcfb_check_update(dc);
1498 #endif /* HPCFB_JUMP */
1499 }
1500
1501 /*
1502 * alloc_attr
1503 */
1504 int
1505 hpcfb_alloc_attr(void *cookie, int fg, int bg, int flags, long *attrp)
1506 {
1507 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1508 struct rasops_info *ri = &dc->dc_rinfo;
1509
1510 return (rasops_emul.alloc_attr(ri, fg, bg, flags, attrp));
1511 }
1512