hpcfb.c revision 1.12 1 /* $NetBSD: hpcfb.c,v 1.12 2001/07/31 10:50:06 sato 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 1.12 2001/07/31 10:50:06 sato 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 != 0) {
461 if (fbconf->hf_order_flags & HPCFB_REVORDER_BYTE) {
462 #if BYTE_ORDER == BIG_ENDIAN
463 ri->ri_flg |= RI_BSWAP;
464 #endif
465 } else {
466 #if BYTE_ORDER == LITTLE_ENDIAN
467 ri->ri_flg |= RI_BSWAP;
468 #endif
469 }
470 }
471
472 if (rasops_init(ri, HPCFB_MAX_ROW, HPCFB_MAX_COLUMN)) {
473 panic("%s(%d): rasops_init() failed!", __FILE__, __LINE__);
474 }
475
476 /* over write color map of rasops */
477 hpcfb_cmap_reorder (fbconf, dc);
478
479 dc->dc_curx = -1;
480 dc->dc_cury = -1;
481 dc->dc_rows = dc->dc_rinfo.ri_rows;
482 dc->dc_cols = dc->dc_rinfo.ri_cols;
483 #ifdef HPCFB_JUMP
484 dc->dc_max_row = 0;
485 dc->dc_min_row = dc->dc_rows;
486 dc->dc_scroll = 0;
487 callout_init(&dc->dc_scroll_ch);
488 #endif /* HPCFB_JUMP */
489 dc->dc_memsize = ri->ri_stride * ri->ri_height;
490 /* hook rasops in hpcfb_ops */
491 rasops_emul = ri->ri_ops; /* struct copy */
492 ri->ri_ops = hpcfb_emulops; /* struct copy */
493
494 return (0);
495 }
496
497 static void
498 hpcfb_cmap_reorder(struct hpcfb_fbconf *fbconf, struct hpcfb_devconfig *dc)
499 {
500 struct rasops_info *ri = &dc->dc_rinfo;
501 int reverse = fbconf->hf_access_flags & HPCFB_ACCESS_REVERSE;
502 int *cmap = ri->ri_devcmap;
503 int i, j, bg, fg, tmp;
504
505 /*
506 * Set forground and background so that the screen
507 * looks black on white.
508 * Normally, black = 00 and white = ff.
509 * HPCFB_ACCESS_REVERSE means black = ff and white = 00.
510 */
511 switch (fbconf->hf_pixel_width) {
512 case 1:
513 /* FALLTHROUGH */
514 case 2:
515 /* FALLTHROUGH */
516 case 4:
517 if (reverse) {
518 bg = 0;
519 fg = ~0;
520 } else {
521 bg = ~0;
522 fg = 0;
523 }
524 /* for gray-scale LCD, hi-contrast color map */
525 cmap[0] = bg;
526 for (i = 1; i < 16; i++)
527 cmap[i] = fg;
528 break;
529 case 8:
530 /* FALLTHROUGH */
531 case 16:
532 if (reverse) {
533 for (i = 0, j = 15; i < 8; i++, j--) {
534 tmp = cmap[i];
535 cmap[i] = cmap[j];
536 cmap[j] = tmp;
537 }
538 }
539 break;
540 }
541 }
542
543 int
544 hpcfb_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
545 {
546 struct hpcfb_softc *sc = v;
547 struct hpcfb_devconfig *dc = sc->sc_dc;
548 struct wsdisplay_fbinfo *wdf;
549
550 DPRINTF(("hpcfb_ioctl(cmd=0x%lx)\n", cmd));
551 switch (cmd) {
552 case WSKBDIO_BELL:
553 return (0);
554 break;
555
556 case WSDISPLAYIO_GTYPE:
557 *(u_int *)data = WSDISPLAY_TYPE_HPCFB;
558 return (0);
559
560 case WSDISPLAYIO_GINFO:
561 wdf = (void *)data;
562 wdf->height = dc->dc_rinfo.ri_height;
563 wdf->width = dc->dc_rinfo.ri_width;
564 wdf->depth = dc->dc_rinfo.ri_depth;
565 wdf->cmsize = 256; /* XXXX */
566 return (0);
567
568 case WSDISPLAYIO_SMODE:
569 if (*(int *)data == WSDISPLAYIO_MODE_EMUL){
570 if (sc->sc_mapping){
571 sc->sc_mapping = 0;
572 if (dc->dc_state&HPCFB_DC_DRAWING)
573 dc->dc_state &= ~HPCFB_DC_ABORT;
574 #ifdef HPCFB_FORCE_REDRAW
575 hpcfb_refresh_screen(sc);
576 #else
577 dc->dc_state |= HPCFB_DC_UPDATEALL;
578 #endif
579 }
580 } else {
581 if (!sc->sc_mapping) {
582 sc->sc_mapping = 1;
583 dc->dc_state |= HPCFB_DC_ABORT;
584 }
585 sc->sc_mapping = 1;
586 }
587 if (sc && sc->sc_accessops->iodone)
588 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
589 return (0);
590
591 case WSDISPLAYIO_GETCMAP:
592 case WSDISPLAYIO_PUTCMAP:
593 case WSDISPLAYIO_GETPARAM:
594 case WSDISPLAYIO_SETPARAM:
595 case HPCFBIO_GCONF:
596 case HPCFBIO_SCONF:
597 case HPCFBIO_GDSPCONF:
598 case HPCFBIO_SDSPCONF:
599 case HPCFBIO_GOP:
600 case HPCFBIO_SOP:
601 return ((*sc->sc_accessops->ioctl)(sc->sc_accessctx,
602 cmd, data, flag, p));
603
604 default:
605 if (IOCGROUP(cmd) != 't')
606 DPRINTF(("%s(%d): hpcfb_ioctl(%lx, %lx) grp=%c num=%ld\n",
607 __FILE__, __LINE__,
608 cmd, (u_long)data, (char)IOCGROUP(cmd), cmd&0xff));
609 break;
610 }
611
612 return (ENOTTY); /* Inappropriate ioctl for device */
613 }
614
615 paddr_t
616 hpcfb_mmap(void *v, off_t offset, int prot)
617 {
618 struct hpcfb_softc *sc = v;
619
620 return ((*sc->sc_accessops->mmap)(sc->sc_accessctx, offset, prot));
621 }
622
623 static void
624 hpcfb_power(int why, void *arg)
625 {
626 struct hpcfb_softc *sc = arg;
627
628 switch (why) {
629 case PWR_STANDBY:
630 break;
631 case PWR_SOFTSUSPEND:
632 /* XXX, casting to 'struct wsdisplay_softc *' means
633 that you should not call the method here... */
634 sc->sc_screen_resumed = wsdisplay_getactivescreen(
635 (struct wsdisplay_softc *)sc->sc_wsdisplay);
636 if (wsdisplay_switch(sc->sc_wsdisplay,
637 WSDISPLAY_NULLSCREEN,
638 1 /* waitok */) == 0) {
639 wsscreen_switchwait(
640 (struct wsdisplay_softc *)sc->sc_wsdisplay,
641 WSDISPLAY_NULLSCREEN);
642 } else {
643 sc->sc_screen_resumed = WSDISPLAY_NULLSCREEN;
644 }
645
646 sc->sc_dc->dc_state &= ~HPCFB_DC_CURRENT;
647 break;
648 case PWR_SOFTRESUME:
649 sc->sc_dc->dc_state |= HPCFB_DC_CURRENT;
650 if (sc->sc_screen_resumed != WSDISPLAY_NULLSCREEN)
651 wsdisplay_switch(sc->sc_wsdisplay,
652 sc->sc_screen_resumed,
653 1 /* waitok */);
654 break;
655 }
656 }
657
658 void
659 hpcfb_refresh_screen(struct hpcfb_softc *sc)
660 {
661 struct hpcfb_devconfig *dc = sc->sc_dc;
662 int x, y;
663
664 DPRINTF(("hpcfb_refres_screen()\n"));
665 if (dc == NULL)
666 return;
667
668 #ifdef HPCFB_JUMP
669 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
670 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
671 dc->dc_state &= ~HPCFB_DC_UPDATE;
672 callout_stop(&dc->dc_scroll_ch);
673 }
674 #endif /* HPCFB_JUMP */
675 /*
676 * refresh screen
677 */
678 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
679 x = dc->dc_curx;
680 y = dc->dc_cury;
681 if (0 <= x && 0 <= y)
682 hpcfb_cursor_raw(dc, 0, y, x); /* disable cursor */
683 /* redraw all text */
684 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
685 if (0 <= x && 0 <= y)
686 hpcfb_cursor_raw(dc, 1, y, x); /* enable cursor */
687 }
688
689 static int
690 hpcfb_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
691 int *curxp, int *curyp, long *attrp)
692 {
693 struct hpcfb_softc *sc = v;
694 struct hpcfb_devconfig *dc;
695
696 DPRINTF(("%s(%d): hpcfb_alloc_screen()\n", __FILE__, __LINE__));
697
698 dc = malloc(sizeof(struct hpcfb_devconfig), M_DEVBUF, M_WAITOK);
699 if (dc == NULL)
700 return (ENOMEM);
701
702 memset(dc, 0, sizeof(struct hpcfb_devconfig));
703 dc->dc_sc = sc;
704 if (hpcfb_init(&sc->sc_fbconflist[0], dc) != 0)
705 return (EINVAL);
706 if (sc->sc_accessops->font) {
707 sc->sc_accessops->font(sc->sc_accessctx,
708 dc->dc_rinfo.ri_font);
709 }
710 /* Set video chip dependent CLUT if any. */
711 if (sc->sc_accessops->setclut)
712 sc->sc_accessops->setclut(sc->sc_accessctx, &dc->dc_rinfo);
713 printf("hpcfb: %dx%d pixels, %d colors, %dx%d chars\n",
714 dc->dc_rinfo.ri_width, dc->dc_rinfo.ri_height,
715 pow(2, dc->dc_rinfo.ri_depth),
716 dc->dc_rinfo.ri_cols, dc->dc_rinfo.ri_rows);
717
718 /*
719 * XXX, wsdisplay won't reffer the information in wsscreen_descr
720 * structure until alloc_screen will be called, at least, under
721 * current implementation...
722 */
723 hpcfb_stdscreen.nrows = dc->dc_rows;
724 hpcfb_stdscreen.ncols = dc->dc_cols;
725 hpcfb_stdscreen.capabilities = dc->dc_rinfo.ri_caps;
726
727 dc->dc_fbaddr = dc->dc_rinfo.ri_bits;
728 dc->dc_rows = dc->dc_rinfo.ri_rows;
729 dc->dc_cols = dc->dc_rinfo.ri_cols;
730 dc->dc_memsize = dc->dc_rinfo.ri_stride * dc->dc_rinfo.ri_height;
731
732 dc->dc_curx = -1;
733 dc->dc_cury = -1;
734 dc->dc_tvram = malloc(sizeof(struct hpcfb_tvrow)*dc->dc_rows,
735 M_DEVBUF, M_WAITOK);
736 if (dc->dc_tvram == NULL){
737 free(dc, M_DEVBUF);
738 return (ENOMEM);
739 }
740 memset(dc->dc_tvram, 0, sizeof(struct hpcfb_tvrow)*dc->dc_rows);
741
742 *curxp = 0;
743 *curyp = 0;
744 *cookiep = dc;
745 hpcfb_alloc_attr(*cookiep, 7, 0, 0, attrp);
746 DPRINTF(("%s(%d): hpcfb_alloc_screen(): 0x%p\n",
747 __FILE__, __LINE__, dc));
748
749 return (0);
750 }
751
752 static void
753 hpcfb_free_screen(void *v, void *cookie)
754 {
755 struct hpcfb_devconfig *dc = cookie;
756
757 DPRINTF(("%s(%d): hpcfb_free_screen(0x%p)\n",
758 __FILE__, __LINE__, cookie));
759 #ifdef DIAGNOSTIC
760 if (dc == &hpcfb_console_dc)
761 panic("hpcfb_free_screen: console");
762 #endif
763 free(dc->dc_tvram, M_DEVBUF);
764 free(dc, M_DEVBUF);
765 }
766
767 static int
768 hpcfb_show_screen(void *v, void *cookie, int waitok,
769 void (*cb)(void *, int, int), void *cbarg)
770 {
771 struct hpcfb_softc *sc = v;
772 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
773 struct hpcfb_devconfig *odc;
774
775 DPRINTF(("%s(%d): hpcfb_show_screen(0x%p)\n",
776 __FILE__, __LINE__, dc));
777
778 odc = sc->sc_dc;
779
780 if (dc == NULL || odc == dc) {
781 hpcfb_refresh_screen(sc);
782 return (0);
783 }
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 sc->sc_wantedscreen = cookie;
791 sc->sc_switchcb = cb;
792 sc->sc_switchcbarg = cbarg;
793 if (cb) {
794 callout_reset(&sc->sc_switch_callout, 0,
795 (void(*)(void *))hpcfb_doswitch, sc);
796 return (EAGAIN);
797 }
798
799 hpcfb_doswitch(sc);
800 return (0);
801 }
802
803 void
804 hpcfb_doswitch(struct hpcfb_softc *sc)
805 {
806 struct hpcfb_devconfig *dc;
807 struct hpcfb_devconfig *odc;
808
809 DPRINTF(("hpcfb_doswitch()\n"));
810 odc = sc->sc_dc;
811 dc = sc->sc_wantedscreen;
812
813 if (!dc) {
814 (*sc->sc_switchcb)(sc->sc_switchcbarg, EIO, 0);
815 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
816 return;
817 }
818
819 if (odc == dc) {
820 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
821 return;
822 }
823
824 if (odc) {
825 #ifdef HPCFB_JUMP
826 odc->dc_state |= HPCFB_DC_ABORT;
827 #endif /* HPCFB_JUMP */
828
829 if (odc->dc_curx >= 0 && odc->dc_cury >= 0)
830 hpcfb_cursor_raw(odc, 0, odc->dc_cury, odc->dc_curx);
831 /* disable cursor */
832 /* disable old screen */
833 odc->dc_state &= ~HPCFB_DC_CURRENT;
834 /* XXX, This is too dangerous.
835 odc->dc_rinfo.ri_bits = NULL;
836 */
837 }
838 /* switch screen to new one */
839 dc->dc_state |= HPCFB_DC_CURRENT;
840 dc->dc_state &= ~HPCFB_DC_ABORT;
841 dc->dc_rinfo.ri_bits = dc->dc_fbaddr;
842 sc->sc_dc = dc;
843
844 /* redraw screen image */
845 hpcfb_refresh_screen(sc);
846
847 sc->sc_wantedscreen = NULL;
848 if (sc->sc_switchcb)
849 (*sc->sc_switchcb)(sc->sc_switchcbarg, 0, 0);
850
851 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
852 dc->dc_state &= ~HPCFB_DC_SWITCHREQ;
853 return;
854 }
855
856 static void
857 hpcfb_pollc(void *v, int on)
858 {
859 struct hpcfb_softc *sc = v;
860
861 if (sc == NULL)
862 return;
863 sc->sc_polling = on;
864 if (sc->sc_accessops->iodone)
865 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
866 if (on) {
867 hpcfb_refresh_screen(sc);
868 if (sc->sc_accessops->iodone)
869 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
870 }
871
872 return;
873 }
874
875 /*
876 * cursor
877 */
878 void
879 hpcfb_cursor(void *cookie, int on, int row, int col)
880 {
881 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
882
883 if (on) {
884 dc->dc_curx = col;
885 dc->dc_cury = row;
886 } else {
887 dc->dc_curx = -1;
888 dc->dc_cury = -1;
889 }
890
891 hpcfb_cursor_raw(cookie, on, row, col);
892 }
893
894 void
895 hpcfb_cursor_raw(cookie, on, row, col)
896 void *cookie;
897 int on, row, col;
898 {
899 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
900 struct hpcfb_softc *sc = dc->dc_sc;
901 struct rasops_info *ri = &dc->dc_rinfo;
902 int curwidth, curheight;
903 int xoff, yoff;
904
905 #ifdef HPCFB_JUMP
906 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
907 dc->dc_state |= HPCFB_DC_UPDATE;
908 return;
909 }
910 #endif /* HPCFB_JUMP */
911 if (!IS_DRAWABLE(dc)) {
912 return;
913 }
914
915 if (ri->ri_bits == NULL)
916 return;
917
918 dc->dc_state |= HPCFB_DC_DRAWING;
919 if (sc && sc->sc_accessops->cursor) {
920 xoff = col * ri->ri_font->fontwidth;
921 yoff = row * ri->ri_font->fontheight;
922 curheight = ri->ri_font->fontheight;
923 curwidth = ri->ri_font->fontwidth;
924 (*sc->sc_accessops->cursor)(sc->sc_accessctx,
925 on, xoff, yoff, curwidth, curheight);
926 } else
927 rasops_emul.cursor(ri, on, row, col);
928 dc->dc_state &= ~HPCFB_DC_DRAWING;
929 }
930
931 /*
932 * mapchar
933 */
934 int
935 hpcfb_mapchar(void *cookie, int c, unsigned int *cp)
936 {
937 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
938 struct rasops_info *ri = &dc->dc_rinfo;
939
940 return (rasops_emul.mapchar(ri, c, cp));
941 }
942
943 /*
944 * putchar
945 */
946 void
947 hpcfb_tv_putchar(struct hpcfb_devconfig *dc, int row, int col, u_int uc,
948 long attr)
949 {
950 struct hpcfb_tvrow *vscn = dc->dc_tvram;
951 struct hpcfb_vchar *vc = &vscn[row].col[col];
952 struct hpcfb_vchar *vcb;
953
954 if (vscn == 0)
955 return;
956
957 dc->dc_state |= HPCFB_DC_TDRAWING;
958 #ifdef HPCFB_JUMP
959 if (row < dc->dc_min_row)
960 dc->dc_min_row = row;
961 if (row > dc->dc_max_row)
962 dc->dc_max_row = row;
963
964 #endif /* HPCFB_JUMP */
965 if (vscn[row].maxcol +1 == col)
966 vscn[row].maxcol = col;
967 else if (vscn[row].maxcol < col) {
968 vcb = &vscn[row].col[vscn[row].maxcol+1];
969 memset(vcb, 0,
970 sizeof(struct hpcfb_vchar)*(col-vscn[row].maxcol-1));
971 vscn[row].maxcol = col;
972 }
973 vc->c = uc;
974 vc->attr = attr;
975 dc->dc_state &= ~HPCFB_DC_TDRAWING;
976 #ifdef HPCFB_JUMP
977 hpcfb_check_update(dc);
978 #endif /* HPCFB_JUMP */
979 }
980
981 void
982 hpcfb_putchar(void *cookie, int row, int col, u_int uc, long attr)
983 {
984 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
985 struct hpcfb_softc *sc = dc->dc_sc;
986 struct rasops_info *ri = &dc->dc_rinfo;
987 int xoff;
988 int yoff;
989 int fclr, uclr;
990 struct wsdisplay_font *font;
991
992 hpcfb_tv_putchar(dc, row, col, uc, attr);
993 #ifdef HPCFB_JUMP
994 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
995 dc->dc_state |= HPCFB_DC_UPDATE;
996 return;
997 }
998 #endif /* HPCFB_JUMP */
999
1000 if (!IS_DRAWABLE(dc)) {
1001 return;
1002 }
1003
1004 if (ri->ri_bits == NULL)
1005 return;
1006
1007 dc->dc_state |= HPCFB_DC_DRAWING;
1008 if (sc && sc->sc_accessops->putchar
1009 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1010 font = ri->ri_font;
1011 yoff = row * ri->ri_font->fontheight;
1012 xoff = col * ri->ri_font->fontwidth;
1013 fclr = ri->ri_devcmap[((u_int)attr >> 24) & 15];
1014 uclr = ri->ri_devcmap[((u_int)attr >> 16) & 15];
1015
1016 (*sc->sc_accessops->putchar)(sc->sc_accessctx,
1017 xoff, yoff, font, fclr, uclr, uc, attr);
1018 } else
1019 rasops_emul.putchar(ri, row, col, uc, attr);
1020 dc->dc_state &= ~HPCFB_DC_DRAWING;
1021 #ifdef HPCFB_JUMP
1022 hpcfb_check_update(dc);
1023 #endif /* HPCFB_JUMP */
1024 }
1025
1026 /*
1027 * copycols
1028 */
1029 void
1030 hpcfb_tv_copycols(struct hpcfb_devconfig *dc, int row, int srccol, int dstcol,
1031 int ncols)
1032 {
1033 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1034 struct hpcfb_vchar *svc = &vscn[row].col[srccol];
1035 struct hpcfb_vchar *dvc = &vscn[row].col[dstcol];
1036
1037 if (vscn == 0)
1038 return;
1039
1040 dc->dc_state |= HPCFB_DC_TDRAWING;
1041 #ifdef HPCFB_JUMP
1042 if (row < dc->dc_min_row)
1043 dc->dc_min_row = row;
1044 if (row > dc->dc_max_row)
1045 dc->dc_max_row = row;
1046 #endif /* HPCFB_JUMP */
1047
1048 memcpy(dvc, svc, ncols*sizeof(struct hpcfb_vchar));
1049 if (vscn[row].maxcol < srccol+ncols-1)
1050 vscn[row].maxcol = srccol+ncols-1;
1051 if (vscn[row].maxcol < dstcol+ncols-1)
1052 vscn[row].maxcol = dstcol+ncols-1;
1053 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1054 #ifdef HPCFB_JUMP
1055 hpcfb_check_update(dc);
1056 #endif /* HPCFB_JUMP */
1057 }
1058
1059 void
1060 hpcfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1061 {
1062 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1063 struct hpcfb_softc *sc = dc->dc_sc;
1064 struct rasops_info *ri = &dc->dc_rinfo;
1065 int srcxoff,dstxoff;
1066 int srcyoff,dstyoff;
1067 int height, width;
1068
1069 hpcfb_tv_copycols(dc, row, srccol, dstcol, ncols);
1070 #ifdef HPCFB_JUMP
1071 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1072 dc->dc_state |= HPCFB_DC_UPDATE;
1073 return;
1074 }
1075 #endif /* HPCFB_JUMP */
1076 if (!IS_DRAWABLE(dc)) {
1077 return;
1078 }
1079
1080 if (ri->ri_bits == NULL)
1081 return;
1082
1083 dc->dc_state |= HPCFB_DC_DRAWING;
1084 if (sc && sc->sc_accessops->bitblit
1085 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1086 srcxoff = srccol * ri->ri_font->fontwidth;
1087 srcyoff = row * ri->ri_font->fontheight;
1088 dstxoff = dstcol * ri->ri_font->fontwidth;
1089 dstyoff = row * ri->ri_font->fontheight;
1090 width = ncols * ri->ri_font->fontwidth;
1091 height = ri->ri_font->fontheight;
1092 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1093 srcxoff, srcyoff, dstxoff, dstyoff, height, width);
1094 } else
1095 rasops_emul.copycols(ri, row, srccol, dstcol, ncols);
1096 dc->dc_state &= ~HPCFB_DC_DRAWING;
1097 #ifdef HPCFB_JUMP
1098 hpcfb_check_update(dc);
1099 #endif /* HPCFB_JUMP */
1100 }
1101
1102
1103 /*
1104 * erasecols
1105 */
1106 void
1107 hpcfb_tv_erasecols(struct hpcfb_devconfig *dc, int row, int startcol,
1108 int ncols, long attr)
1109 {
1110 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1111
1112 if (vscn == 0)
1113 return;
1114
1115 dc->dc_state |= HPCFB_DC_TDRAWING;
1116 #ifdef HPCFB_JUMP
1117 if (row < dc->dc_min_row)
1118 dc->dc_min_row = row;
1119 if (row > dc->dc_max_row)
1120 dc->dc_max_row = row;
1121 #endif /* HPCFB_JUMP */
1122
1123 vscn[row].maxcol = startcol-1;
1124 if (vscn[row].spacecol < startcol+ncols-1)
1125 vscn[row].spacecol = startcol+ncols-1;
1126 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1127 #ifdef HPCFB_JUMP
1128 hpcfb_check_update(dc);
1129 #endif /* HPCFB_JUMP */
1130 }
1131
1132 void
1133 hpcfb_erasecols(void *cookie, int row, int startcol, int ncols, long attr)
1134 {
1135 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1136 struct hpcfb_softc *sc = dc->dc_sc;
1137 struct rasops_info *ri = &dc->dc_rinfo;
1138 int xoff, yoff;
1139 int width, height;
1140
1141 hpcfb_tv_erasecols(dc, row, startcol, ncols, attr);
1142 #ifdef HPCFB_JUMP
1143 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1144 dc->dc_state |= HPCFB_DC_UPDATE;
1145 return;
1146 }
1147 #endif /* HPCFB_JUMP */
1148 if (!IS_DRAWABLE(dc)) {
1149 return;
1150 }
1151
1152 if (ri->ri_bits == NULL)
1153 return;
1154
1155 dc->dc_state |= HPCFB_DC_DRAWING;
1156 if (sc && sc->sc_accessops->erase
1157 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1158 xoff = startcol * ri->ri_font->fontwidth;
1159 yoff = row * ri->ri_font->fontheight;
1160 width = ncols * ri->ri_font->fontwidth;
1161 height = ri->ri_font->fontheight;
1162 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1163 xoff, yoff, height, width, attr);
1164 } else
1165 rasops_emul.erasecols(ri, row, startcol, ncols, attr);
1166 dc->dc_state &= ~HPCFB_DC_DRAWING;
1167 #ifdef HPCFB_JUMP
1168 hpcfb_check_update(dc);
1169 #endif /* HPCFB_JUMP */
1170 }
1171
1172 /*
1173 * Copy rows.
1174 */
1175 void
1176 hpcfb_tv_copyrows(struct hpcfb_devconfig *dc, int src, int dst, int num)
1177 {
1178 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1179 struct hpcfb_tvrow *svc = &vscn[src];
1180 struct hpcfb_tvrow *dvc = &vscn[dst];
1181 int i;
1182 int d;
1183
1184 if (vscn == 0)
1185 return;
1186
1187 dc->dc_state |= HPCFB_DC_TDRAWING;
1188 #ifdef HPCFB_JUMP
1189 if (dst < dc->dc_min_row)
1190 dc->dc_min_row = dst;
1191 if (dst + num > dc->dc_max_row)
1192 dc->dc_max_row = dst + num -1;
1193 #endif /* HPCFB_JUMP */
1194
1195 if (svc > dvc)
1196 d = 1;
1197 else if (svc < dvc) {
1198 svc += num-1;
1199 dvc += num-1;
1200 d = -1;
1201 } else {
1202 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1203 #ifdef HPCFB_JUMP
1204 hpcfb_check_update(dc);
1205 #endif /* HPCFB_JUMP */
1206 return;
1207 }
1208
1209 for (i = 0; i < num; i++) {
1210 memcpy(&dvc->col[0], &svc->col[0], sizeof(struct hpcfb_vchar)*(svc->maxcol+1));
1211 if (svc->maxcol < dvc->maxcol && dvc->spacecol < dvc->maxcol)
1212 dvc->spacecol = dvc->maxcol;
1213 dvc->maxcol = svc->maxcol;
1214 svc+=d;
1215 dvc+=d;
1216 }
1217 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1218 #ifdef HPCFB_JUMP
1219 hpcfb_check_update(dc);
1220 #endif /* HPCFB_JUMP */
1221 }
1222
1223 void
1224 hpcfb_redraw(cookie, row, num, all)
1225 void *cookie;
1226 int row, num;
1227 int all;
1228 {
1229 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1230 struct rasops_info *ri = &dc->dc_rinfo;
1231 int cols;
1232 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1233 struct hpcfb_vchar *svc;
1234 int i, j;
1235
1236 #ifdef HPCFB_JUMP
1237 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1238 dc->dc_state |= HPCFB_DC_UPDATE;
1239 return;
1240 }
1241 #endif /* HPCFB_JUMP */
1242 if (dc->dc_sc != NULL
1243 && !dc->dc_sc->sc_polling
1244 && dc->dc_sc->sc_mapping)
1245 return;
1246
1247 dc->dc_state &= ~HPCFB_DC_ABORT;
1248
1249 if (vscn == 0)
1250 return;
1251
1252 if (!IS_DRAWABLE(dc)) {
1253 return;
1254 }
1255
1256 if (ri->ri_bits == NULL)
1257 return;
1258
1259 dc->dc_state |= HPCFB_DC_DRAWING;
1260 dc->dc_state |= HPCFB_DC_TDRAWING;
1261 for (i = 0; i < num; i++) {
1262 if (dc->dc_state&HPCFB_DC_ABORT)
1263 break;
1264 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1265 break;
1266 cols = vscn[row+i].maxcol;
1267 for (j = 0; j <= cols; j++) {
1268 if (dc->dc_state&HPCFB_DC_ABORT)
1269 continue;
1270 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1271 continue;
1272 svc = &vscn[row+i].col[j];
1273 rasops_emul.putchar(ri, row + i, j, svc->c, svc->attr);
1274 }
1275 if (all)
1276 cols = dc->dc_cols-1;
1277 else
1278 cols = vscn[row+i].spacecol;
1279 for (; j <= cols; j++) {
1280 if (dc->dc_state&HPCFB_DC_ABORT)
1281 continue;
1282 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1283 continue;
1284 rasops_emul.putchar(ri, row + i, j, ' ', 0);
1285 }
1286 vscn[row+i].spacecol = 0;
1287 }
1288 if (dc->dc_state&HPCFB_DC_ABORT)
1289 dc->dc_state &= ~HPCFB_DC_ABORT;
1290 dc->dc_state &= ~HPCFB_DC_DRAWING;
1291 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1292 #ifdef HPCFB_JUMP
1293 hpcfb_check_update(dc);
1294 #endif /* HPCFB_JUMP */
1295 }
1296
1297 #ifdef HPCFB_JUMP
1298 void
1299 hpcfb_update(void *v)
1300 {
1301 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1302
1303 /* callout_stop(&dc->dc_scroll_ch); */
1304 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1305 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1306 hpcfb_cursor_raw(dc, 0, dc->dc_cury, dc->dc_curx);
1307 if ((dc->dc_state&HPCFB_DC_UPDATEALL)) {
1308 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
1309 dc->dc_state &= ~(HPCFB_DC_UPDATE|HPCFB_DC_UPDATEALL);
1310 } else if ((dc->dc_state&HPCFB_DC_UPDATE)) {
1311 hpcfb_redraw(dc, dc->dc_min_row,
1312 dc->dc_max_row - dc->dc_min_row, 0);
1313 dc->dc_state &= ~HPCFB_DC_UPDATE;
1314 } else {
1315 hpcfb_redraw(dc, dc->dc_scroll_dst, dc->dc_scroll_num, 0);
1316 }
1317 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1318 hpcfb_cursor_raw(dc, 1, dc->dc_cury, dc->dc_curx);
1319 }
1320
1321 void
1322 hpcfb_do_scroll(void *v)
1323 {
1324 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1325
1326 dc->dc_state |= HPCFB_DC_SCRTHREAD;
1327 if (dc->dc_state&(HPCFB_DC_DRAWING|HPCFB_DC_TDRAWING))
1328 dc->dc_state |= HPCFB_DC_SCRDELAY;
1329 else if (dc->dc_sc != NULL && dc->dc_sc->sc_thread)
1330 wakeup(dc->dc_sc);
1331 else if (dc->dc_sc != NULL && !dc->dc_sc->sc_mapping) {
1332 /* draw only EMUL mode */
1333 hpcfb_update(v);
1334 }
1335 dc->dc_state &= ~HPCFB_DC_SCRTHREAD;
1336 }
1337
1338 void
1339 hpcfb_check_update(void *v)
1340 {
1341 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1342
1343 if (dc->dc_sc != NULL
1344 && dc->dc_sc->sc_polling
1345 && (dc->dc_state&HPCFB_DC_SCROLLPENDING)){
1346 callout_stop(&dc->dc_scroll_ch);
1347 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1348 hpcfb_update(v);
1349 }
1350 else if (dc->dc_state&HPCFB_DC_SCRDELAY){
1351 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1352 hpcfb_update(v);
1353 } else if (dc->dc_state&HPCFB_DC_UPDATEALL){
1354 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
1355 hpcfb_update(v);
1356 }
1357 }
1358 #endif /* HPCFB_JUMP */
1359
1360 void
1361 hpcfb_copyrows(void *cookie, int src, int dst, int num)
1362 {
1363 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1364 struct rasops_info *ri = &dc->dc_rinfo;
1365 struct hpcfb_softc *sc = dc->dc_sc;
1366 int srcyoff, dstyoff;
1367 int width, height;
1368
1369 hpcfb_tv_copyrows(cookie, src, dst, num);
1370
1371 if (!IS_DRAWABLE(dc)) {
1372 return;
1373 }
1374
1375 if (ri->ri_bits == NULL)
1376 return;
1377
1378 if (sc && sc->sc_accessops->bitblit
1379 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1380 dc->dc_state |= HPCFB_DC_DRAWING;
1381 srcyoff = src * ri->ri_font->fontheight;
1382 dstyoff = dst * ri->ri_font->fontheight;
1383 width = dc->dc_cols * ri->ri_font->fontwidth;
1384 height = num * ri->ri_font->fontheight;
1385 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1386 0, srcyoff, 0, dstyoff, height, width);
1387 dc->dc_state &= ~HPCFB_DC_DRAWING;
1388 }
1389 else {
1390 #ifdef HPCFB_JUMP
1391 if (sc && sc->sc_polling) {
1392 hpcfb_check_update(dc);
1393 } else if ((dc->dc_state&HPCFB_DC_SCROLLPENDING) == 0) {
1394 dc->dc_state |= HPCFB_DC_SCROLLPENDING;
1395 dc->dc_scroll = 1;
1396 dc->dc_scroll_src = src;
1397 dc->dc_scroll_dst = dst;
1398 dc->dc_scroll_num = num;
1399 callout_reset(&dc->dc_scroll_ch, hz/100, &hpcfb_do_scroll, dc);
1400 return;
1401 } else if (dc->dc_scroll++ < dc->dc_rows/HPCFB_MAX_JUMP) {
1402 dc->dc_state |= HPCFB_DC_UPDATE;
1403 return;
1404 } else {
1405 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1406 callout_stop(&dc->dc_scroll_ch);
1407 }
1408 if (dc->dc_state&HPCFB_DC_UPDATE) {
1409 dc->dc_state &= ~HPCFB_DC_UPDATE;
1410 hpcfb_redraw(cookie, dc->dc_min_row,
1411 dc->dc_max_row - dc->dc_min_row, 0);
1412 dc->dc_max_row = 0;
1413 dc->dc_min_row = dc->dc_rows;
1414 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1415 hpcfb_cursor(dc, 1, dc->dc_cury, dc->dc_curx);
1416 return;
1417 }
1418 #endif /* HPCFB_JUMP */
1419 hpcfb_redraw(cookie, dst, num, 0);
1420 }
1421 #ifdef HPCFB_JUMP
1422 hpcfb_check_update(dc);
1423 #endif /* HPCFB_JUMP */
1424 }
1425
1426 /*
1427 * eraserows
1428 */
1429 void
1430 hpcfb_tv_eraserows(struct hpcfb_devconfig *dc, int row, int nrow, long attr)
1431 {
1432 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1433 int cols;
1434 int i;
1435
1436 if (vscn == 0)
1437 return;
1438
1439 dc->dc_state |= HPCFB_DC_TDRAWING;
1440 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1441 #ifdef HPCFB_JUMP
1442 if (row < dc->dc_min_row)
1443 dc->dc_min_row = row;
1444 if (row + nrow > dc->dc_max_row)
1445 dc->dc_max_row = row + nrow;
1446 #endif /* HPCFB_JUMP */
1447
1448 for (i = 0; i < nrow; i++) {
1449 cols = vscn[row+i].maxcol;
1450 if (vscn[row+i].spacecol < cols)
1451 vscn[row+i].spacecol = cols;
1452 vscn[row+i].maxcol = -1;
1453 }
1454 #ifdef HPCFB_JUMP
1455 hpcfb_check_update(dc);
1456 #endif /* HPCFB_JUMP */
1457 }
1458
1459 void
1460 hpcfb_eraserows(void *cookie, int row, int nrow, long attr)
1461 {
1462 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1463 struct hpcfb_softc *sc = dc->dc_sc;
1464 struct rasops_info *ri = &dc->dc_rinfo;
1465 int yoff;
1466 int width;
1467 int height;
1468
1469 hpcfb_tv_eraserows(dc, row, nrow, attr);
1470 #ifdef HPCFB_JUMP
1471 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1472 dc->dc_state |= HPCFB_DC_UPDATE;
1473 return;
1474 }
1475 #endif /* HPCFB_JUMP */
1476 if (!IS_DRAWABLE(dc)) {
1477 return;
1478 }
1479
1480 if (ri->ri_bits == NULL)
1481 return;
1482
1483 dc->dc_state |= HPCFB_DC_DRAWING;
1484 if (sc && sc->sc_accessops->erase
1485 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1486 yoff = row * ri->ri_font->fontheight;
1487 width = dc->dc_cols * ri->ri_font->fontwidth;
1488 height = nrow * ri->ri_font->fontheight;
1489 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1490 0, yoff, height, width, attr);
1491 } else
1492 rasops_emul.eraserows(ri, row, nrow, attr);
1493 dc->dc_state &= ~HPCFB_DC_DRAWING;
1494 #ifdef HPCFB_JUMP
1495 hpcfb_check_update(dc);
1496 #endif /* HPCFB_JUMP */
1497 }
1498
1499 /*
1500 * alloc_attr
1501 */
1502 int
1503 hpcfb_alloc_attr(void *cookie, int fg, int bg, int flags, long *attrp)
1504 {
1505 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1506 struct rasops_info *ri = &dc->dc_rinfo;
1507
1508 return (rasops_emul.alloc_attr(ri, fg, bg, flags, attrp));
1509 }
1510