hpcfb.c revision 1.18 1 /* $NetBSD: hpcfb.c,v 1.18 2002/03/17 19:40:56 atatat 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 #include <sys/cdefs.h>
46 __KERNEL_RCSID(0, "$NetBSD: hpcfb.c,v 1.18 2002/03/17 19:40:56 atatat Exp $");
47
48 #define FBDEBUG
49 static const char _copyright[] __attribute__ ((unused)) =
50 "Copyright (c) 1999 Shin Takemura. All rights reserved.";
51 static const char _rcsid[] __attribute__ ((unused)) =
52 "$NetBSD: hpcfb.c,v 1.18 2002/03/17 19:40:56 atatat Exp $";
53
54 #include <sys/param.h>
55 #include <sys/systm.h>
56 #include <sys/kernel.h>
57 #include <sys/signalvar.h>
58 #include <sys/map.h>
59 #include <sys/proc.h>
60 #include <sys/kthread.h>
61 #include <sys/lock.h>
62 #include <sys/user.h>
63 #include <sys/device.h>
64 #include <sys/conf.h>
65 #include <sys/malloc.h>
66 #include <sys/buf.h>
67 #include <sys/ioctl.h>
68
69 #include <uvm/uvm_extern.h>
70
71 #include <machine/bus.h>
72
73 #include <dev/wscons/wsconsio.h>
74 #include <dev/wscons/wsdisplayvar.h>
75 #include <dev/wscons/wscons_callbacks.h>
76
77 #include <dev/wsfont/wsfont.h>
78 #include <dev/rasops/rasops.h>
79
80 #include <dev/hpc/hpcfbvar.h>
81 #include <dev/hpc/hpcfbio.h>
82
83 #include "bivideo.h"
84 #if NBIVIDEO > 0
85 #include <dev/hpc/bivideovar.h>
86 #endif
87
88 #ifdef FBDEBUG
89 int hpcfb_debug = 0;
90 #define DPRINTF(arg) if (hpcfb_debug) printf arg;
91 #else
92 #define DPRINTF(arg)
93 #endif
94
95 #ifndef HPCFB_MAX_COLUMN
96 #define HPCFB_MAX_COLUMN 130
97 #endif /* HPCFB_MAX_COLUMN */
98 #ifndef HPCFB_MAX_ROW
99 #define HPCFB_MAX_ROW 80
100 #endif /* HPCFB_MAX_ROW */
101
102 /*
103 * currently experimental
104 #define HPCFB_JUMP
105 */
106
107 struct hpcfb_vchar {
108 u_int c;
109 long attr;
110 };
111
112 struct hpcfb_tvrow {
113 int maxcol;
114 int spacecol;
115 struct hpcfb_vchar col[HPCFB_MAX_COLUMN];
116 };
117
118 struct hpcfb_devconfig {
119 struct rasops_info dc_rinfo; /* rasops information */
120
121 int dc_blanked; /* currently had video disabled */
122 struct hpcfb_softc *dc_sc;
123 int dc_rows;
124 int dc_cols;
125 struct hpcfb_tvrow *dc_tvram;
126 int dc_curx;
127 int dc_cury;
128 #ifdef HPCFB_JUMP
129 int dc_min_row;
130 int dc_max_row;
131 int dc_scroll;
132 struct callout dc_scroll_ch;
133 int dc_scroll_src;
134 int dc_scroll_dst;
135 int dc_scroll_num;
136 #endif /* HPCFB_JUMP */
137 volatile int dc_state;
138 #define HPCFB_DC_CURRENT 0x80000000
139 #define HPCFB_DC_DRAWING 0x01 /* drawing raster ops */
140 #define HPCFB_DC_TDRAWING 0x02 /* drawing tvram */
141 #define HPCFB_DC_SCROLLPENDING 0x04 /* scroll is pending */
142 #define HPCFB_DC_UPDATE 0x08 /* tvram update */
143 #define HPCFB_DC_SCRDELAY 0x10 /* scroll time but delay it */
144 #define HPCFB_DC_SCRTHREAD 0x20 /* in scroll thread or callout */
145 #define HPCFB_DC_UPDATEALL 0x40 /* need to redraw all */
146 #define HPCFB_DC_ABORT 0x80 /* abort redrawing */
147 #define HPCFB_DC_SWITCHREQ 0x100 /* switch request exist */
148 int dc_memsize;
149 u_char *dc_fbaddr;
150 };
151
152 #define IS_DRAWABLE(dc) \
153 (((dc)->dc_state&HPCFB_DC_CURRENT)&& \
154 (((dc)->dc_state&(HPCFB_DC_DRAWING|HPCFB_DC_SWITCHREQ)) == 0))
155
156 #define HPCFB_MAX_SCREEN 5
157 #define HPCFB_MAX_JUMP 5
158
159 struct hpcfb_softc {
160 struct device sc_dev;
161 struct hpcfb_devconfig *sc_dc; /* device configuration */
162 const struct hpcfb_accessops *sc_accessops;
163 void *sc_accessctx;
164 void *sc_powerhook; /* power management hook */
165 struct device *sc_wsdisplay;
166 int sc_screen_resumed;
167 int sc_polling;
168 int sc_mapping;
169 struct proc *sc_thread;
170 struct lock sc_lock;
171 void *sc_wantedscreen;
172 void (*sc_switchcb)(void *, int, int);
173 void *sc_switchcbarg;
174 struct callout sc_switch_callout;
175 int sc_nfbconf;
176 struct hpcfb_fbconf *sc_fbconflist;
177 };
178
179 /*
180 * function prototypes
181 */
182 int hpcfbmatch(struct device *, struct cfdata *, void *);
183 void hpcfbattach(struct device *, struct device *, void *);
184 int hpcfbprint(void *, const char *);
185
186 int hpcfb_ioctl(void *, u_long, caddr_t, int, struct proc *);
187 paddr_t hpcfb_mmap(void *, off_t, int);
188
189 void hpcfb_refresh_screen(struct hpcfb_softc *);
190 void hpcfb_doswitch(struct hpcfb_softc *);
191
192 #ifdef HPCFB_JUMP
193 static void hpcfb_create_thread(void *);
194 static void hpcfb_thread(void *);
195 #endif /* HPCFB_JUMP */
196
197 static int hpcfb_init(struct hpcfb_fbconf *, struct hpcfb_devconfig *);
198 static int hpcfb_alloc_screen(void *, const struct wsscreen_descr *,
199 void **, int *, int *, long *);
200 static void hpcfb_free_screen(void *, void *);
201 static int hpcfb_show_screen(void *, void *, int,
202 void (*) (void *, int, int), void *);
203 static void hpcfb_pollc(void *, int);
204 static void hpcfb_power(int, void *);
205 static void hpcfb_cmap_reorder(struct hpcfb_fbconf *,
206 struct hpcfb_devconfig *);
207
208 static int pow(int, int);
209
210 void hpcfb_cursor(void *, int, int, int);
211 int hpcfb_mapchar(void *, int, unsigned int *);
212 void hpcfb_putchar(void *, int, int, u_int, long);
213 void hpcfb_copycols(void *, int, int, int, int);
214 void hpcfb_erasecols(void *, int, int, int, long);
215 void hpcfb_redraw(void *, int, int, int);
216 void hpcfb_copyrows(void *, int, int, int);
217 void hpcfb_eraserows(void *, int, int, long);
218 int hpcfb_alloc_attr(void *, int, int, int, long *);
219 void hpcfb_cursor_raw(void *, int, int, int);
220
221 #ifdef HPCFB_JUMP
222 void hpcfb_update(void *);
223 void hpcfb_do_scroll(void *);
224 void hpcfb_check_update(void *);
225 #endif /* HPCFB_JUMP */
226
227 struct wsdisplay_emulops hpcfb_emulops = {
228 hpcfb_cursor,
229 hpcfb_mapchar,
230 hpcfb_putchar,
231 hpcfb_copycols,
232 hpcfb_erasecols,
233 hpcfb_copyrows,
234 hpcfb_eraserows,
235 hpcfb_alloc_attr
236 };
237
238 /*
239 * static variables
240 */
241 struct cfattach hpcfb_ca = {
242 sizeof(struct hpcfb_softc), hpcfbmatch, hpcfbattach,
243 };
244
245 struct wsscreen_descr hpcfb_stdscreen = {
246 "std",
247 0, 0, /* will be filled in -- XXX shouldn't, it's global */
248 &hpcfb_emulops, /* XXX */
249 0, 0,
250 WSSCREEN_REVERSE
251 };
252
253 const struct wsscreen_descr *_hpcfb_scrlist[] = {
254 &hpcfb_stdscreen,
255 /* XXX other formats, graphics screen? */
256 };
257
258 struct wsscreen_list hpcfb_screenlist = {
259 sizeof(_hpcfb_scrlist) / sizeof(struct wsscreen_descr *),
260 _hpcfb_scrlist
261 };
262
263 struct wsdisplay_accessops hpcfb_accessops = {
264 hpcfb_ioctl,
265 hpcfb_mmap,
266 hpcfb_alloc_screen,
267 hpcfb_free_screen,
268 hpcfb_show_screen,
269 0 /* load_font */,
270 hpcfb_pollc
271 };
272
273 void hpcfb_tv_putchar(struct hpcfb_devconfig *, int, int, u_int, long);
274 void hpcfb_tv_copycols(struct hpcfb_devconfig *, int, int, int, int);
275 void hpcfb_tv_erasecols(struct hpcfb_devconfig *, int, int, int, long);
276 void hpcfb_tv_copyrows(struct hpcfb_devconfig *, int, int, int);
277 void hpcfb_tv_eraserows(struct hpcfb_devconfig *, int, int, long);
278
279 struct wsdisplay_emulops rasops_emul;
280
281 static int hpcfbconsole;
282 struct hpcfb_devconfig hpcfb_console_dc;
283 struct wsscreen_descr hpcfb_console_wsscreen;
284 struct hpcfb_tvrow hpcfb_console_tvram[HPCFB_MAX_ROW];
285
286 /*
287 * function bodies
288 */
289 static int
290 pow(int x, int n)
291 {
292 int res = 1;
293 while (0 < n--) {
294 res *= x;
295 }
296 return (res);
297 }
298
299 int
300 hpcfbmatch(struct device *parent, struct cfdata *match, void *aux)
301 {
302 return (1);
303 }
304
305 void
306 hpcfbattach(struct device *parent, struct device *self, void *aux)
307 {
308 struct hpcfb_softc *sc = (struct hpcfb_softc *)self;
309 struct hpcfb_attach_args *ha = aux;
310 struct wsemuldisplaydev_attach_args wa;
311
312 sc->sc_accessops = ha->ha_accessops;
313 sc->sc_accessctx = ha->ha_accessctx;
314 sc->sc_nfbconf = ha->ha_nfbconf;
315 sc->sc_fbconflist = ha->ha_fbconflist;
316
317 if (hpcfbconsole) {
318 sc->sc_dc = &hpcfb_console_dc;
319 hpcfb_console_dc.dc_sc = sc;
320 printf(": %dx%d pixels, %d colors, %dx%d chars",
321 sc->sc_dc->dc_rinfo.ri_width,sc->sc_dc->dc_rinfo.ri_height,
322 pow(2, sc->sc_dc->dc_rinfo.ri_depth),
323 sc->sc_dc->dc_rinfo.ri_cols,sc->sc_dc->dc_rinfo.ri_rows);
324 /* Set video chip dependent CLUT if any. */
325 if (sc->sc_accessops->setclut)
326 sc->sc_accessops->setclut(sc->sc_accessctx,
327 &hpcfb_console_dc.dc_rinfo);
328 }
329 printf("\n");
330
331 sc->sc_polling = 0; /* XXX */
332 sc->sc_mapping = 0; /* XXX */
333 callout_init(&sc->sc_switch_callout);
334
335 /* Add a power hook to power management */
336 sc->sc_powerhook = powerhook_establish(hpcfb_power, sc);
337 if (sc->sc_powerhook == NULL)
338 printf("%s: WARNING: unable to establish power hook\n",
339 sc->sc_dev.dv_xname);
340
341 wa.console = hpcfbconsole;
342 wa.scrdata = &hpcfb_screenlist;
343 wa.accessops = &hpcfb_accessops;
344 wa.accesscookie = sc;
345
346 sc->sc_wsdisplay = config_found(self, &wa, wsemuldisplaydevprint);
347
348 #ifdef HPCFB_JUMP
349 /*
350 * Create a kernel thread to scroll,
351 */
352 kthread_create(hpcfb_create_thread, sc);
353 #endif /* HPCFB_JUMP */
354 }
355
356 #ifdef HPCFB_JUMP
357 void
358 hpcfb_create_thread(void *arg)
359 {
360 struct hpcfb_softc *sc = arg;
361
362 if (kthread_create1(hpcfb_thread, sc, &sc->sc_thread,
363 "%s", sc->sc_dev.dv_xname) == 0)
364 return;
365
366 /*
367 * We were unable to create the HPCFB thread; bail out.
368 */
369 sc->sc_thread = 0;
370 printf("%s: unable to create thread, kernel hpcfb scroll support disabled\n",
371 sc->sc_dev.dv_xname);
372 }
373
374 void
375 hpcfb_thread(void *arg)
376 {
377 struct hpcfb_softc *sc = arg;
378
379 /*
380 * Loop forever, doing a periodic check for update events.
381 */
382 for (;;) {
383 /* HPCFB_LOCK(sc); */
384 sc->sc_dc->dc_state |= HPCFB_DC_SCRTHREAD;
385 if (!sc->sc_mapping) /* draw only EMUL mode */
386 hpcfb_update(sc->sc_dc);
387 sc->sc_dc->dc_state &= ~HPCFB_DC_SCRTHREAD;
388 /* APM_UNLOCK(sc); */
389 (void) tsleep(sc, PWAIT, "hpcfb", (8 * hz) / 7 / 10);
390 }
391 }
392 #endif /* HPCFB_JUMP */
393
394 /* Print function (for parent devices). */
395 int
396 hpcfbprint(void *aux, const char *pnp)
397 {
398 if (pnp)
399 printf("hpcfb at %s", pnp);
400
401 return (UNCONF);
402 }
403
404 int
405 hpcfb_cnattach(struct hpcfb_fbconf *fbconf)
406 {
407 struct hpcfb_fbconf __fbconf __attribute__((__unused__));
408 long defattr;
409
410 DPRINTF(("%s(%d): hpcfb_cnattach()\n", __FILE__, __LINE__));
411 #if NBIVIDEO > 0
412 if (fbconf == 0) {
413 memset(&__fbconf, 0, sizeof(struct hpcfb_fbconf));
414 if (bivideo_getcnfb(&__fbconf) != 0)
415 return (ENXIO);
416 fbconf = &__fbconf;
417 }
418 #endif /* NBIVIDEO > 0 */
419 memset(&hpcfb_console_dc, 0, sizeof(struct hpcfb_devconfig));
420 if (hpcfb_init(fbconf, &hpcfb_console_dc) != 0)
421 return (ENXIO);
422 hpcfb_console_dc.dc_state |= HPCFB_DC_CURRENT;
423
424 hpcfb_console_dc.dc_tvram = hpcfb_console_tvram;
425 /* clear screen */
426 memset(hpcfb_console_tvram, 0, sizeof(hpcfb_console_tvram));
427 hpcfb_redraw(&hpcfb_console_dc, 0, hpcfb_console_dc.dc_rows, 1);
428
429 hpcfb_console_wsscreen = hpcfb_stdscreen;
430 hpcfb_console_wsscreen.nrows = hpcfb_console_dc.dc_rows;
431 hpcfb_console_wsscreen.ncols = hpcfb_console_dc.dc_cols;
432 hpcfb_console_wsscreen.capabilities = hpcfb_console_dc.dc_rinfo.ri_caps;
433 hpcfb_alloc_attr(&hpcfb_console_dc, 7, 0, 0, &defattr);
434 wsdisplay_cnattach(&hpcfb_console_wsscreen, &hpcfb_console_dc,
435 0, 0, defattr);
436 hpcfbconsole = 1;
437
438 return (0);
439 }
440
441 int
442 hpcfb_init(struct hpcfb_fbconf *fbconf, struct hpcfb_devconfig *dc)
443 {
444 struct rasops_info *ri;
445 vaddr_t fbaddr;
446
447 fbaddr = (vaddr_t)fbconf->hf_baseaddr;
448 dc->dc_fbaddr = (u_char *)fbaddr;
449
450 /* init rasops */
451 ri = &dc->dc_rinfo;
452 memset(ri, 0, sizeof(struct rasops_info));
453 ri->ri_depth = fbconf->hf_pixel_width;
454 ri->ri_bits = (caddr_t)fbaddr;
455 ri->ri_width = fbconf->hf_width;
456 ri->ri_height = fbconf->hf_height;
457 ri->ri_stride = fbconf->hf_bytes_per_line;
458 #if 0
459 ri->ri_flg = RI_FORCEMONO | RI_CURSOR;
460 #else
461 ri->ri_flg = RI_CURSOR;
462 #endif
463 if (fbconf->hf_order_flags & HPCFB_REVORDER_BYTE) {
464 #if BYTE_ORDER == BIG_ENDIAN
465 ri->ri_flg |= RI_BSWAP;
466 #endif
467 } else {
468 #if BYTE_ORDER == LITTLE_ENDIAN
469 ri->ri_flg |= RI_BSWAP;
470 #endif
471 }
472
473 if (rasops_init(ri, HPCFB_MAX_ROW, HPCFB_MAX_COLUMN)) {
474 panic("%s(%d): rasops_init() failed!", __FILE__, __LINE__);
475 }
476
477 /* over write color map of rasops */
478 hpcfb_cmap_reorder (fbconf, dc);
479
480 dc->dc_curx = -1;
481 dc->dc_cury = -1;
482 dc->dc_rows = dc->dc_rinfo.ri_rows;
483 dc->dc_cols = dc->dc_rinfo.ri_cols;
484 #ifdef HPCFB_JUMP
485 dc->dc_max_row = 0;
486 dc->dc_min_row = dc->dc_rows;
487 dc->dc_scroll = 0;
488 callout_init(&dc->dc_scroll_ch);
489 #endif /* HPCFB_JUMP */
490 dc->dc_memsize = ri->ri_stride * ri->ri_height;
491 /* hook rasops in hpcfb_ops */
492 rasops_emul = ri->ri_ops; /* struct copy */
493 ri->ri_ops = hpcfb_emulops; /* struct copy */
494
495 return (0);
496 }
497
498 static void
499 hpcfb_cmap_reorder(struct hpcfb_fbconf *fbconf, struct hpcfb_devconfig *dc)
500 {
501 struct rasops_info *ri = &dc->dc_rinfo;
502 int reverse = fbconf->hf_access_flags & HPCFB_ACCESS_REVERSE;
503 int *cmap = ri->ri_devcmap;
504 int i, j, bg, fg, tmp;
505
506 /*
507 * Set forground and background so that the screen
508 * looks black on white.
509 * Normally, black = 00 and white = ff.
510 * HPCFB_ACCESS_REVERSE means black = ff and white = 00.
511 */
512 switch (fbconf->hf_pixel_width) {
513 case 1:
514 /* FALLTHROUGH */
515 case 2:
516 /* FALLTHROUGH */
517 case 4:
518 if (reverse) {
519 bg = 0;
520 fg = ~0;
521 } else {
522 bg = ~0;
523 fg = 0;
524 }
525 /* for gray-scale LCD, hi-contrast color map */
526 cmap[0] = bg;
527 for (i = 1; i < 16; i++)
528 cmap[i] = fg;
529 break;
530 case 8:
531 /* FALLTHROUGH */
532 case 16:
533 if (reverse) {
534 for (i = 0, j = 15; i < 8; i++, j--) {
535 tmp = cmap[i];
536 cmap[i] = cmap[j];
537 cmap[j] = tmp;
538 }
539 }
540 break;
541 }
542 }
543
544 int
545 hpcfb_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
546 {
547 struct hpcfb_softc *sc = v;
548 struct hpcfb_devconfig *dc = sc->sc_dc;
549 struct wsdisplay_fbinfo *wdf;
550
551 DPRINTF(("hpcfb_ioctl(cmd=0x%lx)\n", cmd));
552 switch (cmd) {
553 case WSKBDIO_BELL:
554 return (0);
555 break;
556
557 case WSDISPLAYIO_GTYPE:
558 *(u_int *)data = WSDISPLAY_TYPE_HPCFB;
559 return (0);
560
561 case WSDISPLAYIO_GINFO:
562 wdf = (void *)data;
563 wdf->height = dc->dc_rinfo.ri_height;
564 wdf->width = dc->dc_rinfo.ri_width;
565 wdf->depth = dc->dc_rinfo.ri_depth;
566 wdf->cmsize = 256; /* XXXX */
567 return (0);
568
569 case WSDISPLAYIO_SMODE:
570 if (*(int *)data == WSDISPLAYIO_MODE_EMUL){
571 if (sc->sc_mapping){
572 sc->sc_mapping = 0;
573 if (dc->dc_state&HPCFB_DC_DRAWING)
574 dc->dc_state &= ~HPCFB_DC_ABORT;
575 #ifdef HPCFB_FORCE_REDRAW
576 hpcfb_refresh_screen(sc);
577 #else
578 dc->dc_state |= HPCFB_DC_UPDATEALL;
579 #endif
580 }
581 } else {
582 if (!sc->sc_mapping) {
583 sc->sc_mapping = 1;
584 dc->dc_state |= HPCFB_DC_ABORT;
585 }
586 sc->sc_mapping = 1;
587 }
588 if (sc && sc->sc_accessops->iodone)
589 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
590 return (0);
591
592 case WSDISPLAYIO_GETCMAP:
593 case WSDISPLAYIO_PUTCMAP:
594 case WSDISPLAYIO_GETPARAM:
595 case WSDISPLAYIO_SETPARAM:
596 case HPCFBIO_GCONF:
597 case HPCFBIO_SCONF:
598 case HPCFBIO_GDSPCONF:
599 case HPCFBIO_SDSPCONF:
600 case HPCFBIO_GOP:
601 case HPCFBIO_SOP:
602 return ((*sc->sc_accessops->ioctl)(sc->sc_accessctx,
603 cmd, data, flag, p));
604
605 default:
606 if (IOCGROUP(cmd) != 't')
607 DPRINTF(("%s(%d): hpcfb_ioctl(%lx, %lx) grp=%c num=%ld\n",
608 __FILE__, __LINE__,
609 cmd, (u_long)data, (char)IOCGROUP(cmd), cmd&0xff));
610 break;
611 }
612
613 return (EPASSTHROUGH); /* Inappropriate ioctl for device */
614 }
615
616 paddr_t
617 hpcfb_mmap(void *v, off_t offset, int prot)
618 {
619 struct hpcfb_softc *sc = v;
620
621 return ((*sc->sc_accessops->mmap)(sc->sc_accessctx, offset, prot));
622 }
623
624 static void
625 hpcfb_power(int why, void *arg)
626 {
627 struct hpcfb_softc *sc = arg;
628
629 if (sc->sc_dc == NULL)
630 return; /* You have no screen yet. */
631
632 switch (why) {
633 case PWR_STANDBY:
634 break;
635 case PWR_SOFTSUSPEND:
636 /* XXX, casting to 'struct wsdisplay_softc *' means
637 that you should not call the method here... */
638 sc->sc_screen_resumed = wsdisplay_getactivescreen(
639 (struct wsdisplay_softc *)sc->sc_wsdisplay);
640 if (wsdisplay_switch(sc->sc_wsdisplay,
641 WSDISPLAY_NULLSCREEN,
642 1 /* waitok */) == 0) {
643 wsscreen_switchwait(
644 (struct wsdisplay_softc *)sc->sc_wsdisplay,
645 WSDISPLAY_NULLSCREEN);
646 } else {
647 sc->sc_screen_resumed = WSDISPLAY_NULLSCREEN;
648 }
649
650 sc->sc_dc->dc_state &= ~HPCFB_DC_CURRENT;
651 break;
652 case PWR_SOFTRESUME:
653 sc->sc_dc->dc_state |= HPCFB_DC_CURRENT;
654 if (sc->sc_screen_resumed != WSDISPLAY_NULLSCREEN)
655 wsdisplay_switch(sc->sc_wsdisplay,
656 sc->sc_screen_resumed,
657 1 /* waitok */);
658 break;
659 }
660 }
661
662 void
663 hpcfb_refresh_screen(struct hpcfb_softc *sc)
664 {
665 struct hpcfb_devconfig *dc = sc->sc_dc;
666 int x, y;
667
668 DPRINTF(("hpcfb_refres_screen()\n"));
669 if (dc == NULL)
670 return;
671
672 #ifdef HPCFB_JUMP
673 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
674 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
675 dc->dc_state &= ~HPCFB_DC_UPDATE;
676 callout_stop(&dc->dc_scroll_ch);
677 }
678 #endif /* HPCFB_JUMP */
679 /*
680 * refresh screen
681 */
682 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
683 x = dc->dc_curx;
684 y = dc->dc_cury;
685 if (0 <= x && 0 <= y)
686 hpcfb_cursor_raw(dc, 0, y, x); /* disable cursor */
687 /* redraw all text */
688 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
689 if (0 <= x && 0 <= y)
690 hpcfb_cursor_raw(dc, 1, y, x); /* enable cursor */
691 }
692
693 static int
694 hpcfb_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
695 int *curxp, int *curyp, long *attrp)
696 {
697 struct hpcfb_softc *sc = v;
698 struct hpcfb_devconfig *dc;
699
700 DPRINTF(("%s(%d): hpcfb_alloc_screen()\n", __FILE__, __LINE__));
701
702 dc = malloc(sizeof(struct hpcfb_devconfig), M_DEVBUF, M_WAITOK|M_ZERO);
703 if (dc == NULL)
704 return (ENOMEM);
705
706 dc->dc_sc = sc;
707 if (hpcfb_init(&sc->sc_fbconflist[0], dc) != 0)
708 return (EINVAL);
709 if (sc->sc_accessops->font) {
710 sc->sc_accessops->font(sc->sc_accessctx,
711 dc->dc_rinfo.ri_font);
712 }
713 /* Set video chip dependent CLUT if any. */
714 if (sc->sc_accessops->setclut)
715 sc->sc_accessops->setclut(sc->sc_accessctx, &dc->dc_rinfo);
716 printf("hpcfb: %dx%d pixels, %d colors, %dx%d chars\n",
717 dc->dc_rinfo.ri_width, dc->dc_rinfo.ri_height,
718 pow(2, dc->dc_rinfo.ri_depth),
719 dc->dc_rinfo.ri_cols, dc->dc_rinfo.ri_rows);
720
721 /*
722 * XXX, wsdisplay won't reffer the information in wsscreen_descr
723 * structure until alloc_screen will be called, at least, under
724 * current implementation...
725 */
726 hpcfb_stdscreen.nrows = dc->dc_rows;
727 hpcfb_stdscreen.ncols = dc->dc_cols;
728 hpcfb_stdscreen.capabilities = dc->dc_rinfo.ri_caps;
729
730 dc->dc_fbaddr = dc->dc_rinfo.ri_bits;
731 dc->dc_rows = dc->dc_rinfo.ri_rows;
732 dc->dc_cols = dc->dc_rinfo.ri_cols;
733 dc->dc_memsize = dc->dc_rinfo.ri_stride * dc->dc_rinfo.ri_height;
734
735 dc->dc_curx = -1;
736 dc->dc_cury = -1;
737 dc->dc_tvram = malloc(sizeof(struct hpcfb_tvrow)*dc->dc_rows,
738 M_DEVBUF, M_WAITOK|M_ZERO);
739 if (dc->dc_tvram == NULL){
740 free(dc, M_DEVBUF);
741 return (ENOMEM);
742 }
743
744 *curxp = 0;
745 *curyp = 0;
746 *cookiep = dc;
747 hpcfb_alloc_attr(*cookiep, 7, 0, 0, attrp);
748 DPRINTF(("%s(%d): hpcfb_alloc_screen(): 0x%p\n",
749 __FILE__, __LINE__, dc));
750
751 return (0);
752 }
753
754 static void
755 hpcfb_free_screen(void *v, void *cookie)
756 {
757 struct hpcfb_devconfig *dc = cookie;
758
759 DPRINTF(("%s(%d): hpcfb_free_screen(0x%p)\n",
760 __FILE__, __LINE__, cookie));
761 #ifdef DIAGNOSTIC
762 if (dc == &hpcfb_console_dc)
763 panic("hpcfb_free_screen: console");
764 #endif
765 free(dc->dc_tvram, M_DEVBUF);
766 free(dc, M_DEVBUF);
767 }
768
769 static int
770 hpcfb_show_screen(void *v, void *cookie, int waitok,
771 void (*cb)(void *, int, int), void *cbarg)
772 {
773 struct hpcfb_softc *sc = v;
774 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
775 struct hpcfb_devconfig *odc;
776
777 DPRINTF(("%s(%d): hpcfb_show_screen(0x%p)\n",
778 __FILE__, __LINE__, dc));
779
780 odc = sc->sc_dc;
781
782 if (dc == NULL || odc == dc) {
783 hpcfb_refresh_screen(sc);
784 return (0);
785 }
786
787 if (odc != NULL) {
788 odc->dc_state |= HPCFB_DC_SWITCHREQ;
789
790 if ((odc->dc_state&HPCFB_DC_DRAWING) != 0) {
791 odc->dc_state |= HPCFB_DC_ABORT;
792 }
793 }
794
795 sc->sc_wantedscreen = cookie;
796 sc->sc_switchcb = cb;
797 sc->sc_switchcbarg = cbarg;
798 if (cb) {
799 callout_reset(&sc->sc_switch_callout, 0,
800 (void(*)(void *))hpcfb_doswitch, sc);
801 return (EAGAIN);
802 }
803
804 hpcfb_doswitch(sc);
805 return (0);
806 }
807
808 void
809 hpcfb_doswitch(struct hpcfb_softc *sc)
810 {
811 struct hpcfb_devconfig *dc;
812 struct hpcfb_devconfig *odc;
813
814 DPRINTF(("hpcfb_doswitch()\n"));
815 odc = sc->sc_dc;
816 dc = sc->sc_wantedscreen;
817
818 if (!dc) {
819 (*sc->sc_switchcb)(sc->sc_switchcbarg, EIO, 0);
820 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
821 return;
822 }
823
824 if (odc == dc) {
825 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
826 return;
827 }
828
829 if (odc) {
830 #ifdef HPCFB_JUMP
831 odc->dc_state |= HPCFB_DC_ABORT;
832 #endif /* HPCFB_JUMP */
833
834 if (odc->dc_curx >= 0 && odc->dc_cury >= 0)
835 hpcfb_cursor_raw(odc, 0, odc->dc_cury, odc->dc_curx);
836 /* disable cursor */
837 /* disable old screen */
838 odc->dc_state &= ~HPCFB_DC_CURRENT;
839 /* XXX, This is too dangerous.
840 odc->dc_rinfo.ri_bits = NULL;
841 */
842 }
843 /* switch screen to new one */
844 dc->dc_state |= HPCFB_DC_CURRENT;
845 dc->dc_state &= ~HPCFB_DC_ABORT;
846 dc->dc_rinfo.ri_bits = dc->dc_fbaddr;
847 sc->sc_dc = dc;
848
849 /* redraw screen image */
850 hpcfb_refresh_screen(sc);
851
852 sc->sc_wantedscreen = NULL;
853 if (sc->sc_switchcb)
854 (*sc->sc_switchcb)(sc->sc_switchcbarg, 0, 0);
855
856 if (odc != NULL)
857 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
858 dc->dc_state &= ~HPCFB_DC_SWITCHREQ;
859 return;
860 }
861
862 static void
863 hpcfb_pollc(void *v, int on)
864 {
865 struct hpcfb_softc *sc = v;
866
867 if (sc == NULL)
868 return;
869 sc->sc_polling = on;
870 if (sc->sc_accessops->iodone)
871 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
872 if (on) {
873 hpcfb_refresh_screen(sc);
874 if (sc->sc_accessops->iodone)
875 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
876 }
877
878 return;
879 }
880
881 /*
882 * cursor
883 */
884 void
885 hpcfb_cursor(void *cookie, int on, int row, int col)
886 {
887 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
888
889 if (on) {
890 dc->dc_curx = col;
891 dc->dc_cury = row;
892 } else {
893 dc->dc_curx = -1;
894 dc->dc_cury = -1;
895 }
896
897 hpcfb_cursor_raw(cookie, on, row, col);
898 }
899
900 void
901 hpcfb_cursor_raw(cookie, on, row, col)
902 void *cookie;
903 int on, row, col;
904 {
905 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
906 struct hpcfb_softc *sc = dc->dc_sc;
907 struct rasops_info *ri = &dc->dc_rinfo;
908 int curwidth, curheight;
909 int xoff, yoff;
910
911 #ifdef HPCFB_JUMP
912 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
913 dc->dc_state |= HPCFB_DC_UPDATE;
914 return;
915 }
916 #endif /* HPCFB_JUMP */
917 if (!IS_DRAWABLE(dc)) {
918 return;
919 }
920
921 if (ri->ri_bits == NULL)
922 return;
923
924 dc->dc_state |= HPCFB_DC_DRAWING;
925 if (sc && sc->sc_accessops->cursor) {
926 xoff = col * ri->ri_font->fontwidth;
927 yoff = row * ri->ri_font->fontheight;
928 curheight = ri->ri_font->fontheight;
929 curwidth = ri->ri_font->fontwidth;
930 (*sc->sc_accessops->cursor)(sc->sc_accessctx,
931 on, xoff, yoff, curwidth, curheight);
932 } else
933 rasops_emul.cursor(ri, on, row, col);
934 dc->dc_state &= ~HPCFB_DC_DRAWING;
935 }
936
937 /*
938 * mapchar
939 */
940 int
941 hpcfb_mapchar(void *cookie, int c, unsigned int *cp)
942 {
943 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
944 struct rasops_info *ri = &dc->dc_rinfo;
945
946 return (rasops_emul.mapchar(ri, c, cp));
947 }
948
949 /*
950 * putchar
951 */
952 void
953 hpcfb_tv_putchar(struct hpcfb_devconfig *dc, int row, int col, u_int uc,
954 long attr)
955 {
956 struct hpcfb_tvrow *vscn = dc->dc_tvram;
957 struct hpcfb_vchar *vc = &vscn[row].col[col];
958 struct hpcfb_vchar *vcb;
959
960 if (vscn == 0)
961 return;
962
963 dc->dc_state |= HPCFB_DC_TDRAWING;
964 #ifdef HPCFB_JUMP
965 if (row < dc->dc_min_row)
966 dc->dc_min_row = row;
967 if (row > dc->dc_max_row)
968 dc->dc_max_row = row;
969
970 #endif /* HPCFB_JUMP */
971 if (vscn[row].maxcol +1 == col)
972 vscn[row].maxcol = col;
973 else if (vscn[row].maxcol < col) {
974 vcb = &vscn[row].col[vscn[row].maxcol+1];
975 memset(vcb, 0,
976 sizeof(struct hpcfb_vchar)*(col-vscn[row].maxcol-1));
977 vscn[row].maxcol = col;
978 }
979 vc->c = uc;
980 vc->attr = attr;
981 dc->dc_state &= ~HPCFB_DC_TDRAWING;
982 #ifdef HPCFB_JUMP
983 hpcfb_check_update(dc);
984 #endif /* HPCFB_JUMP */
985 }
986
987 void
988 hpcfb_putchar(void *cookie, int row, int col, u_int uc, long attr)
989 {
990 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
991 struct hpcfb_softc *sc = dc->dc_sc;
992 struct rasops_info *ri = &dc->dc_rinfo;
993 int xoff;
994 int yoff;
995 int fclr, uclr;
996 struct wsdisplay_font *font;
997
998 hpcfb_tv_putchar(dc, row, col, uc, attr);
999 #ifdef HPCFB_JUMP
1000 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1001 dc->dc_state |= HPCFB_DC_UPDATE;
1002 return;
1003 }
1004 #endif /* HPCFB_JUMP */
1005
1006 if (!IS_DRAWABLE(dc)) {
1007 return;
1008 }
1009
1010 if (ri->ri_bits == NULL)
1011 return;
1012
1013 dc->dc_state |= HPCFB_DC_DRAWING;
1014 if (sc && sc->sc_accessops->putchar
1015 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1016 font = ri->ri_font;
1017 yoff = row * ri->ri_font->fontheight;
1018 xoff = col * ri->ri_font->fontwidth;
1019 fclr = ri->ri_devcmap[((u_int)attr >> 24) & 15];
1020 uclr = ri->ri_devcmap[((u_int)attr >> 16) & 15];
1021
1022 (*sc->sc_accessops->putchar)(sc->sc_accessctx,
1023 xoff, yoff, font, fclr, uclr, uc, attr);
1024 } else
1025 rasops_emul.putchar(ri, row, col, uc, attr);
1026 dc->dc_state &= ~HPCFB_DC_DRAWING;
1027 #ifdef HPCFB_JUMP
1028 hpcfb_check_update(dc);
1029 #endif /* HPCFB_JUMP */
1030 }
1031
1032 /*
1033 * copycols
1034 */
1035 void
1036 hpcfb_tv_copycols(struct hpcfb_devconfig *dc, int row, int srccol, int dstcol,
1037 int ncols)
1038 {
1039 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1040 struct hpcfb_vchar *svc = &vscn[row].col[srccol];
1041 struct hpcfb_vchar *dvc = &vscn[row].col[dstcol];
1042
1043 if (vscn == 0)
1044 return;
1045
1046 dc->dc_state |= HPCFB_DC_TDRAWING;
1047 #ifdef HPCFB_JUMP
1048 if (row < dc->dc_min_row)
1049 dc->dc_min_row = row;
1050 if (row > dc->dc_max_row)
1051 dc->dc_max_row = row;
1052 #endif /* HPCFB_JUMP */
1053
1054 memcpy(dvc, svc, ncols*sizeof(struct hpcfb_vchar));
1055 if (vscn[row].maxcol < srccol+ncols-1)
1056 vscn[row].maxcol = srccol+ncols-1;
1057 if (vscn[row].maxcol < dstcol+ncols-1)
1058 vscn[row].maxcol = dstcol+ncols-1;
1059 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1060 #ifdef HPCFB_JUMP
1061 hpcfb_check_update(dc);
1062 #endif /* HPCFB_JUMP */
1063 }
1064
1065 void
1066 hpcfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1067 {
1068 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1069 struct hpcfb_softc *sc = dc->dc_sc;
1070 struct rasops_info *ri = &dc->dc_rinfo;
1071 int srcxoff,dstxoff;
1072 int srcyoff,dstyoff;
1073 int height, width;
1074
1075 hpcfb_tv_copycols(dc, row, srccol, dstcol, ncols);
1076 #ifdef HPCFB_JUMP
1077 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1078 dc->dc_state |= HPCFB_DC_UPDATE;
1079 return;
1080 }
1081 #endif /* HPCFB_JUMP */
1082 if (!IS_DRAWABLE(dc)) {
1083 return;
1084 }
1085
1086 if (ri->ri_bits == NULL)
1087 return;
1088
1089 dc->dc_state |= HPCFB_DC_DRAWING;
1090 if (sc && sc->sc_accessops->bitblit
1091 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1092 srcxoff = srccol * ri->ri_font->fontwidth;
1093 srcyoff = row * ri->ri_font->fontheight;
1094 dstxoff = dstcol * ri->ri_font->fontwidth;
1095 dstyoff = row * ri->ri_font->fontheight;
1096 width = ncols * ri->ri_font->fontwidth;
1097 height = ri->ri_font->fontheight;
1098 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1099 srcxoff, srcyoff, dstxoff, dstyoff, height, width);
1100 } else
1101 rasops_emul.copycols(ri, row, srccol, dstcol, ncols);
1102 dc->dc_state &= ~HPCFB_DC_DRAWING;
1103 #ifdef HPCFB_JUMP
1104 hpcfb_check_update(dc);
1105 #endif /* HPCFB_JUMP */
1106 }
1107
1108
1109 /*
1110 * erasecols
1111 */
1112 void
1113 hpcfb_tv_erasecols(struct hpcfb_devconfig *dc, int row, int startcol,
1114 int ncols, long attr)
1115 {
1116 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1117
1118 if (vscn == 0)
1119 return;
1120
1121 dc->dc_state |= HPCFB_DC_TDRAWING;
1122 #ifdef HPCFB_JUMP
1123 if (row < dc->dc_min_row)
1124 dc->dc_min_row = row;
1125 if (row > dc->dc_max_row)
1126 dc->dc_max_row = row;
1127 #endif /* HPCFB_JUMP */
1128
1129 vscn[row].maxcol = startcol-1;
1130 if (vscn[row].spacecol < startcol+ncols-1)
1131 vscn[row].spacecol = startcol+ncols-1;
1132 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1133 #ifdef HPCFB_JUMP
1134 hpcfb_check_update(dc);
1135 #endif /* HPCFB_JUMP */
1136 }
1137
1138 void
1139 hpcfb_erasecols(void *cookie, int row, int startcol, int ncols, long attr)
1140 {
1141 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1142 struct hpcfb_softc *sc = dc->dc_sc;
1143 struct rasops_info *ri = &dc->dc_rinfo;
1144 int xoff, yoff;
1145 int width, height;
1146
1147 hpcfb_tv_erasecols(dc, row, startcol, ncols, attr);
1148 #ifdef HPCFB_JUMP
1149 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1150 dc->dc_state |= HPCFB_DC_UPDATE;
1151 return;
1152 }
1153 #endif /* HPCFB_JUMP */
1154 if (!IS_DRAWABLE(dc)) {
1155 return;
1156 }
1157
1158 if (ri->ri_bits == NULL)
1159 return;
1160
1161 dc->dc_state |= HPCFB_DC_DRAWING;
1162 if (sc && sc->sc_accessops->erase
1163 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1164 xoff = startcol * ri->ri_font->fontwidth;
1165 yoff = row * ri->ri_font->fontheight;
1166 width = ncols * ri->ri_font->fontwidth;
1167 height = ri->ri_font->fontheight;
1168 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1169 xoff, yoff, height, width, attr);
1170 } else
1171 rasops_emul.erasecols(ri, row, startcol, ncols, attr);
1172 dc->dc_state &= ~HPCFB_DC_DRAWING;
1173 #ifdef HPCFB_JUMP
1174 hpcfb_check_update(dc);
1175 #endif /* HPCFB_JUMP */
1176 }
1177
1178 /*
1179 * Copy rows.
1180 */
1181 void
1182 hpcfb_tv_copyrows(struct hpcfb_devconfig *dc, int src, int dst, int num)
1183 {
1184 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1185 struct hpcfb_tvrow *svc = &vscn[src];
1186 struct hpcfb_tvrow *dvc = &vscn[dst];
1187 int i;
1188 int d;
1189
1190 if (vscn == 0)
1191 return;
1192
1193 dc->dc_state |= HPCFB_DC_TDRAWING;
1194 #ifdef HPCFB_JUMP
1195 if (dst < dc->dc_min_row)
1196 dc->dc_min_row = dst;
1197 if (dst + num > dc->dc_max_row)
1198 dc->dc_max_row = dst + num -1;
1199 #endif /* HPCFB_JUMP */
1200
1201 if (svc > dvc)
1202 d = 1;
1203 else if (svc < dvc) {
1204 svc += num-1;
1205 dvc += num-1;
1206 d = -1;
1207 } else {
1208 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1209 #ifdef HPCFB_JUMP
1210 hpcfb_check_update(dc);
1211 #endif /* HPCFB_JUMP */
1212 return;
1213 }
1214
1215 for (i = 0; i < num; i++) {
1216 memcpy(&dvc->col[0], &svc->col[0], sizeof(struct hpcfb_vchar)*(svc->maxcol+1));
1217 if (svc->maxcol < dvc->maxcol && dvc->spacecol < dvc->maxcol)
1218 dvc->spacecol = dvc->maxcol;
1219 dvc->maxcol = svc->maxcol;
1220 svc+=d;
1221 dvc+=d;
1222 }
1223 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1224 #ifdef HPCFB_JUMP
1225 hpcfb_check_update(dc);
1226 #endif /* HPCFB_JUMP */
1227 }
1228
1229 void
1230 hpcfb_redraw(cookie, row, num, all)
1231 void *cookie;
1232 int row, num;
1233 int all;
1234 {
1235 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1236 struct rasops_info *ri = &dc->dc_rinfo;
1237 int cols;
1238 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1239 struct hpcfb_vchar *svc;
1240 int i, j;
1241
1242 #ifdef HPCFB_JUMP
1243 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1244 dc->dc_state |= HPCFB_DC_UPDATE;
1245 return;
1246 }
1247 #endif /* HPCFB_JUMP */
1248 if (dc->dc_sc != NULL
1249 && !dc->dc_sc->sc_polling
1250 && dc->dc_sc->sc_mapping)
1251 return;
1252
1253 dc->dc_state &= ~HPCFB_DC_ABORT;
1254
1255 if (vscn == 0)
1256 return;
1257
1258 if (!IS_DRAWABLE(dc)) {
1259 return;
1260 }
1261
1262 if (ri->ri_bits == NULL)
1263 return;
1264
1265 dc->dc_state |= HPCFB_DC_DRAWING;
1266 dc->dc_state |= HPCFB_DC_TDRAWING;
1267 for (i = 0; i < num; i++) {
1268 if (dc->dc_state&HPCFB_DC_ABORT)
1269 break;
1270 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1271 break;
1272 cols = vscn[row+i].maxcol;
1273 for (j = 0; j <= cols; j++) {
1274 if (dc->dc_state&HPCFB_DC_ABORT)
1275 continue;
1276 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1277 continue;
1278 svc = &vscn[row+i].col[j];
1279 rasops_emul.putchar(ri, row + i, j, svc->c, svc->attr);
1280 }
1281 if (all)
1282 cols = dc->dc_cols-1;
1283 else
1284 cols = vscn[row+i].spacecol;
1285 for (; j <= cols; j++) {
1286 if (dc->dc_state&HPCFB_DC_ABORT)
1287 continue;
1288 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1289 continue;
1290 rasops_emul.putchar(ri, row + i, j, ' ', 0);
1291 }
1292 vscn[row+i].spacecol = 0;
1293 }
1294 if (dc->dc_state&HPCFB_DC_ABORT)
1295 dc->dc_state &= ~HPCFB_DC_ABORT;
1296 dc->dc_state &= ~HPCFB_DC_DRAWING;
1297 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1298 #ifdef HPCFB_JUMP
1299 hpcfb_check_update(dc);
1300 #endif /* HPCFB_JUMP */
1301 }
1302
1303 #ifdef HPCFB_JUMP
1304 void
1305 hpcfb_update(void *v)
1306 {
1307 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1308
1309 /* callout_stop(&dc->dc_scroll_ch); */
1310 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1311 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1312 hpcfb_cursor_raw(dc, 0, dc->dc_cury, dc->dc_curx);
1313 if ((dc->dc_state&HPCFB_DC_UPDATEALL)) {
1314 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
1315 dc->dc_state &= ~(HPCFB_DC_UPDATE|HPCFB_DC_UPDATEALL);
1316 } else if ((dc->dc_state&HPCFB_DC_UPDATE)) {
1317 hpcfb_redraw(dc, dc->dc_min_row,
1318 dc->dc_max_row - dc->dc_min_row, 0);
1319 dc->dc_state &= ~HPCFB_DC_UPDATE;
1320 } else {
1321 hpcfb_redraw(dc, dc->dc_scroll_dst, dc->dc_scroll_num, 0);
1322 }
1323 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1324 hpcfb_cursor_raw(dc, 1, dc->dc_cury, dc->dc_curx);
1325 }
1326
1327 void
1328 hpcfb_do_scroll(void *v)
1329 {
1330 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1331
1332 dc->dc_state |= HPCFB_DC_SCRTHREAD;
1333 if (dc->dc_state&(HPCFB_DC_DRAWING|HPCFB_DC_TDRAWING))
1334 dc->dc_state |= HPCFB_DC_SCRDELAY;
1335 else if (dc->dc_sc != NULL && dc->dc_sc->sc_thread)
1336 wakeup(dc->dc_sc);
1337 else if (dc->dc_sc != NULL && !dc->dc_sc->sc_mapping) {
1338 /* draw only EMUL mode */
1339 hpcfb_update(v);
1340 }
1341 dc->dc_state &= ~HPCFB_DC_SCRTHREAD;
1342 }
1343
1344 void
1345 hpcfb_check_update(void *v)
1346 {
1347 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1348
1349 if (dc->dc_sc != NULL
1350 && dc->dc_sc->sc_polling
1351 && (dc->dc_state&HPCFB_DC_SCROLLPENDING)){
1352 callout_stop(&dc->dc_scroll_ch);
1353 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1354 hpcfb_update(v);
1355 }
1356 else if (dc->dc_state&HPCFB_DC_SCRDELAY){
1357 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1358 hpcfb_update(v);
1359 } else if (dc->dc_state&HPCFB_DC_UPDATEALL){
1360 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
1361 hpcfb_update(v);
1362 }
1363 }
1364 #endif /* HPCFB_JUMP */
1365
1366 void
1367 hpcfb_copyrows(void *cookie, int src, int dst, int num)
1368 {
1369 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1370 struct rasops_info *ri = &dc->dc_rinfo;
1371 struct hpcfb_softc *sc = dc->dc_sc;
1372 int srcyoff, dstyoff;
1373 int width, height;
1374
1375 hpcfb_tv_copyrows(cookie, src, dst, num);
1376
1377 if (!IS_DRAWABLE(dc)) {
1378 return;
1379 }
1380
1381 if (ri->ri_bits == NULL)
1382 return;
1383
1384 if (sc && sc->sc_accessops->bitblit
1385 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1386 dc->dc_state |= HPCFB_DC_DRAWING;
1387 srcyoff = src * ri->ri_font->fontheight;
1388 dstyoff = dst * ri->ri_font->fontheight;
1389 width = dc->dc_cols * ri->ri_font->fontwidth;
1390 height = num * ri->ri_font->fontheight;
1391 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1392 0, srcyoff, 0, dstyoff, height, width);
1393 dc->dc_state &= ~HPCFB_DC_DRAWING;
1394 }
1395 else {
1396 #ifdef HPCFB_JUMP
1397 if (sc && sc->sc_polling) {
1398 hpcfb_check_update(dc);
1399 } else if ((dc->dc_state&HPCFB_DC_SCROLLPENDING) == 0) {
1400 dc->dc_state |= HPCFB_DC_SCROLLPENDING;
1401 dc->dc_scroll = 1;
1402 dc->dc_scroll_src = src;
1403 dc->dc_scroll_dst = dst;
1404 dc->dc_scroll_num = num;
1405 callout_reset(&dc->dc_scroll_ch, hz/100, &hpcfb_do_scroll, dc);
1406 return;
1407 } else if (dc->dc_scroll++ < dc->dc_rows/HPCFB_MAX_JUMP) {
1408 dc->dc_state |= HPCFB_DC_UPDATE;
1409 return;
1410 } else {
1411 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1412 callout_stop(&dc->dc_scroll_ch);
1413 }
1414 if (dc->dc_state&HPCFB_DC_UPDATE) {
1415 dc->dc_state &= ~HPCFB_DC_UPDATE;
1416 hpcfb_redraw(cookie, dc->dc_min_row,
1417 dc->dc_max_row - dc->dc_min_row, 0);
1418 dc->dc_max_row = 0;
1419 dc->dc_min_row = dc->dc_rows;
1420 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1421 hpcfb_cursor(dc, 1, dc->dc_cury, dc->dc_curx);
1422 return;
1423 }
1424 #endif /* HPCFB_JUMP */
1425 hpcfb_redraw(cookie, dst, num, 0);
1426 }
1427 #ifdef HPCFB_JUMP
1428 hpcfb_check_update(dc);
1429 #endif /* HPCFB_JUMP */
1430 }
1431
1432 /*
1433 * eraserows
1434 */
1435 void
1436 hpcfb_tv_eraserows(struct hpcfb_devconfig *dc, int row, int nrow, long attr)
1437 {
1438 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1439 int cols;
1440 int i;
1441
1442 if (vscn == 0)
1443 return;
1444
1445 dc->dc_state |= HPCFB_DC_TDRAWING;
1446 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1447 #ifdef HPCFB_JUMP
1448 if (row < dc->dc_min_row)
1449 dc->dc_min_row = row;
1450 if (row + nrow > dc->dc_max_row)
1451 dc->dc_max_row = row + nrow;
1452 #endif /* HPCFB_JUMP */
1453
1454 for (i = 0; i < nrow; i++) {
1455 cols = vscn[row+i].maxcol;
1456 if (vscn[row+i].spacecol < cols)
1457 vscn[row+i].spacecol = cols;
1458 vscn[row+i].maxcol = -1;
1459 }
1460 #ifdef HPCFB_JUMP
1461 hpcfb_check_update(dc);
1462 #endif /* HPCFB_JUMP */
1463 }
1464
1465 void
1466 hpcfb_eraserows(void *cookie, int row, int nrow, long attr)
1467 {
1468 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1469 struct hpcfb_softc *sc = dc->dc_sc;
1470 struct rasops_info *ri = &dc->dc_rinfo;
1471 int yoff;
1472 int width;
1473 int height;
1474
1475 hpcfb_tv_eraserows(dc, row, nrow, attr);
1476 #ifdef HPCFB_JUMP
1477 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1478 dc->dc_state |= HPCFB_DC_UPDATE;
1479 return;
1480 }
1481 #endif /* HPCFB_JUMP */
1482 if (!IS_DRAWABLE(dc)) {
1483 return;
1484 }
1485
1486 if (ri->ri_bits == NULL)
1487 return;
1488
1489 dc->dc_state |= HPCFB_DC_DRAWING;
1490 if (sc && sc->sc_accessops->erase
1491 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1492 yoff = row * ri->ri_font->fontheight;
1493 width = dc->dc_cols * ri->ri_font->fontwidth;
1494 height = nrow * ri->ri_font->fontheight;
1495 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1496 0, yoff, height, width, attr);
1497 } else
1498 rasops_emul.eraserows(ri, row, nrow, attr);
1499 dc->dc_state &= ~HPCFB_DC_DRAWING;
1500 #ifdef HPCFB_JUMP
1501 hpcfb_check_update(dc);
1502 #endif /* HPCFB_JUMP */
1503 }
1504
1505 /*
1506 * alloc_attr
1507 */
1508 int
1509 hpcfb_alloc_attr(void *cookie, int fg, int bg, int flags, long *attrp)
1510 {
1511 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1512 struct rasops_info *ri = &dc->dc_rinfo;
1513
1514 return (rasops_emul.alloc_attr(ri, fg, bg, flags, attrp));
1515 }
1516