hpcfb.c revision 1.13 1 /* $NetBSD: hpcfb.c,v 1.13 2001/08/02 14:40:04 toshii 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 1.13 2001/08/02 14:40:04 toshii 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
785 if (odc != NULL) {
786 odc->dc_state |= HPCFB_DC_SWITCHREQ;
787
788 if ((odc->dc_state&HPCFB_DC_DRAWING) != 0) {
789 odc->dc_state |= HPCFB_DC_ABORT;
790 }
791 }
792
793 sc->sc_wantedscreen = cookie;
794 sc->sc_switchcb = cb;
795 sc->sc_switchcbarg = cbarg;
796 if (cb) {
797 callout_reset(&sc->sc_switch_callout, 0,
798 (void(*)(void *))hpcfb_doswitch, sc);
799 return (EAGAIN);
800 }
801
802 hpcfb_doswitch(sc);
803 return (0);
804 }
805
806 void
807 hpcfb_doswitch(struct hpcfb_softc *sc)
808 {
809 struct hpcfb_devconfig *dc;
810 struct hpcfb_devconfig *odc;
811
812 DPRINTF(("hpcfb_doswitch()\n"));
813 odc = sc->sc_dc;
814 dc = sc->sc_wantedscreen;
815
816 if (!dc) {
817 (*sc->sc_switchcb)(sc->sc_switchcbarg, EIO, 0);
818 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
819 return;
820 }
821
822 if (odc == dc) {
823 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
824 return;
825 }
826
827 if (odc) {
828 #ifdef HPCFB_JUMP
829 odc->dc_state |= HPCFB_DC_ABORT;
830 #endif /* HPCFB_JUMP */
831
832 if (odc->dc_curx >= 0 && odc->dc_cury >= 0)
833 hpcfb_cursor_raw(odc, 0, odc->dc_cury, odc->dc_curx);
834 /* disable cursor */
835 /* disable old screen */
836 odc->dc_state &= ~HPCFB_DC_CURRENT;
837 /* XXX, This is too dangerous.
838 odc->dc_rinfo.ri_bits = NULL;
839 */
840 }
841 /* switch screen to new one */
842 dc->dc_state |= HPCFB_DC_CURRENT;
843 dc->dc_state &= ~HPCFB_DC_ABORT;
844 dc->dc_rinfo.ri_bits = dc->dc_fbaddr;
845 sc->sc_dc = dc;
846
847 /* redraw screen image */
848 hpcfb_refresh_screen(sc);
849
850 sc->sc_wantedscreen = NULL;
851 if (sc->sc_switchcb)
852 (*sc->sc_switchcb)(sc->sc_switchcbarg, 0, 0);
853
854 if (odc != NULL)
855 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
856 dc->dc_state &= ~HPCFB_DC_SWITCHREQ;
857 return;
858 }
859
860 static void
861 hpcfb_pollc(void *v, int on)
862 {
863 struct hpcfb_softc *sc = v;
864
865 if (sc == NULL)
866 return;
867 sc->sc_polling = on;
868 if (sc->sc_accessops->iodone)
869 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
870 if (on) {
871 hpcfb_refresh_screen(sc);
872 if (sc->sc_accessops->iodone)
873 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
874 }
875
876 return;
877 }
878
879 /*
880 * cursor
881 */
882 void
883 hpcfb_cursor(void *cookie, int on, int row, int col)
884 {
885 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
886
887 if (on) {
888 dc->dc_curx = col;
889 dc->dc_cury = row;
890 } else {
891 dc->dc_curx = -1;
892 dc->dc_cury = -1;
893 }
894
895 hpcfb_cursor_raw(cookie, on, row, col);
896 }
897
898 void
899 hpcfb_cursor_raw(cookie, on, row, col)
900 void *cookie;
901 int on, row, col;
902 {
903 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
904 struct hpcfb_softc *sc = dc->dc_sc;
905 struct rasops_info *ri = &dc->dc_rinfo;
906 int curwidth, curheight;
907 int xoff, yoff;
908
909 #ifdef HPCFB_JUMP
910 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
911 dc->dc_state |= HPCFB_DC_UPDATE;
912 return;
913 }
914 #endif /* HPCFB_JUMP */
915 if (!IS_DRAWABLE(dc)) {
916 return;
917 }
918
919 if (ri->ri_bits == NULL)
920 return;
921
922 dc->dc_state |= HPCFB_DC_DRAWING;
923 if (sc && sc->sc_accessops->cursor) {
924 xoff = col * ri->ri_font->fontwidth;
925 yoff = row * ri->ri_font->fontheight;
926 curheight = ri->ri_font->fontheight;
927 curwidth = ri->ri_font->fontwidth;
928 (*sc->sc_accessops->cursor)(sc->sc_accessctx,
929 on, xoff, yoff, curwidth, curheight);
930 } else
931 rasops_emul.cursor(ri, on, row, col);
932 dc->dc_state &= ~HPCFB_DC_DRAWING;
933 }
934
935 /*
936 * mapchar
937 */
938 int
939 hpcfb_mapchar(void *cookie, int c, unsigned int *cp)
940 {
941 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
942 struct rasops_info *ri = &dc->dc_rinfo;
943
944 return (rasops_emul.mapchar(ri, c, cp));
945 }
946
947 /*
948 * putchar
949 */
950 void
951 hpcfb_tv_putchar(struct hpcfb_devconfig *dc, int row, int col, u_int uc,
952 long attr)
953 {
954 struct hpcfb_tvrow *vscn = dc->dc_tvram;
955 struct hpcfb_vchar *vc = &vscn[row].col[col];
956 struct hpcfb_vchar *vcb;
957
958 if (vscn == 0)
959 return;
960
961 dc->dc_state |= HPCFB_DC_TDRAWING;
962 #ifdef HPCFB_JUMP
963 if (row < dc->dc_min_row)
964 dc->dc_min_row = row;
965 if (row > dc->dc_max_row)
966 dc->dc_max_row = row;
967
968 #endif /* HPCFB_JUMP */
969 if (vscn[row].maxcol +1 == col)
970 vscn[row].maxcol = col;
971 else if (vscn[row].maxcol < col) {
972 vcb = &vscn[row].col[vscn[row].maxcol+1];
973 memset(vcb, 0,
974 sizeof(struct hpcfb_vchar)*(col-vscn[row].maxcol-1));
975 vscn[row].maxcol = col;
976 }
977 vc->c = uc;
978 vc->attr = attr;
979 dc->dc_state &= ~HPCFB_DC_TDRAWING;
980 #ifdef HPCFB_JUMP
981 hpcfb_check_update(dc);
982 #endif /* HPCFB_JUMP */
983 }
984
985 void
986 hpcfb_putchar(void *cookie, int row, int col, u_int uc, long attr)
987 {
988 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
989 struct hpcfb_softc *sc = dc->dc_sc;
990 struct rasops_info *ri = &dc->dc_rinfo;
991 int xoff;
992 int yoff;
993 int fclr, uclr;
994 struct wsdisplay_font *font;
995
996 hpcfb_tv_putchar(dc, row, col, uc, attr);
997 #ifdef HPCFB_JUMP
998 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
999 dc->dc_state |= HPCFB_DC_UPDATE;
1000 return;
1001 }
1002 #endif /* HPCFB_JUMP */
1003
1004 if (!IS_DRAWABLE(dc)) {
1005 return;
1006 }
1007
1008 if (ri->ri_bits == NULL)
1009 return;
1010
1011 dc->dc_state |= HPCFB_DC_DRAWING;
1012 if (sc && sc->sc_accessops->putchar
1013 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1014 font = ri->ri_font;
1015 yoff = row * ri->ri_font->fontheight;
1016 xoff = col * ri->ri_font->fontwidth;
1017 fclr = ri->ri_devcmap[((u_int)attr >> 24) & 15];
1018 uclr = ri->ri_devcmap[((u_int)attr >> 16) & 15];
1019
1020 (*sc->sc_accessops->putchar)(sc->sc_accessctx,
1021 xoff, yoff, font, fclr, uclr, uc, attr);
1022 } else
1023 rasops_emul.putchar(ri, row, col, uc, attr);
1024 dc->dc_state &= ~HPCFB_DC_DRAWING;
1025 #ifdef HPCFB_JUMP
1026 hpcfb_check_update(dc);
1027 #endif /* HPCFB_JUMP */
1028 }
1029
1030 /*
1031 * copycols
1032 */
1033 void
1034 hpcfb_tv_copycols(struct hpcfb_devconfig *dc, int row, int srccol, int dstcol,
1035 int ncols)
1036 {
1037 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1038 struct hpcfb_vchar *svc = &vscn[row].col[srccol];
1039 struct hpcfb_vchar *dvc = &vscn[row].col[dstcol];
1040
1041 if (vscn == 0)
1042 return;
1043
1044 dc->dc_state |= HPCFB_DC_TDRAWING;
1045 #ifdef HPCFB_JUMP
1046 if (row < dc->dc_min_row)
1047 dc->dc_min_row = row;
1048 if (row > dc->dc_max_row)
1049 dc->dc_max_row = row;
1050 #endif /* HPCFB_JUMP */
1051
1052 memcpy(dvc, svc, ncols*sizeof(struct hpcfb_vchar));
1053 if (vscn[row].maxcol < srccol+ncols-1)
1054 vscn[row].maxcol = srccol+ncols-1;
1055 if (vscn[row].maxcol < dstcol+ncols-1)
1056 vscn[row].maxcol = dstcol+ncols-1;
1057 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1058 #ifdef HPCFB_JUMP
1059 hpcfb_check_update(dc);
1060 #endif /* HPCFB_JUMP */
1061 }
1062
1063 void
1064 hpcfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1065 {
1066 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1067 struct hpcfb_softc *sc = dc->dc_sc;
1068 struct rasops_info *ri = &dc->dc_rinfo;
1069 int srcxoff,dstxoff;
1070 int srcyoff,dstyoff;
1071 int height, width;
1072
1073 hpcfb_tv_copycols(dc, row, srccol, dstcol, ncols);
1074 #ifdef HPCFB_JUMP
1075 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1076 dc->dc_state |= HPCFB_DC_UPDATE;
1077 return;
1078 }
1079 #endif /* HPCFB_JUMP */
1080 if (!IS_DRAWABLE(dc)) {
1081 return;
1082 }
1083
1084 if (ri->ri_bits == NULL)
1085 return;
1086
1087 dc->dc_state |= HPCFB_DC_DRAWING;
1088 if (sc && sc->sc_accessops->bitblit
1089 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1090 srcxoff = srccol * ri->ri_font->fontwidth;
1091 srcyoff = row * ri->ri_font->fontheight;
1092 dstxoff = dstcol * ri->ri_font->fontwidth;
1093 dstyoff = row * ri->ri_font->fontheight;
1094 width = ncols * ri->ri_font->fontwidth;
1095 height = ri->ri_font->fontheight;
1096 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1097 srcxoff, srcyoff, dstxoff, dstyoff, height, width);
1098 } else
1099 rasops_emul.copycols(ri, row, srccol, dstcol, ncols);
1100 dc->dc_state &= ~HPCFB_DC_DRAWING;
1101 #ifdef HPCFB_JUMP
1102 hpcfb_check_update(dc);
1103 #endif /* HPCFB_JUMP */
1104 }
1105
1106
1107 /*
1108 * erasecols
1109 */
1110 void
1111 hpcfb_tv_erasecols(struct hpcfb_devconfig *dc, int row, int startcol,
1112 int ncols, long attr)
1113 {
1114 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1115
1116 if (vscn == 0)
1117 return;
1118
1119 dc->dc_state |= HPCFB_DC_TDRAWING;
1120 #ifdef HPCFB_JUMP
1121 if (row < dc->dc_min_row)
1122 dc->dc_min_row = row;
1123 if (row > dc->dc_max_row)
1124 dc->dc_max_row = row;
1125 #endif /* HPCFB_JUMP */
1126
1127 vscn[row].maxcol = startcol-1;
1128 if (vscn[row].spacecol < startcol+ncols-1)
1129 vscn[row].spacecol = startcol+ncols-1;
1130 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1131 #ifdef HPCFB_JUMP
1132 hpcfb_check_update(dc);
1133 #endif /* HPCFB_JUMP */
1134 }
1135
1136 void
1137 hpcfb_erasecols(void *cookie, int row, int startcol, int ncols, long attr)
1138 {
1139 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1140 struct hpcfb_softc *sc = dc->dc_sc;
1141 struct rasops_info *ri = &dc->dc_rinfo;
1142 int xoff, yoff;
1143 int width, height;
1144
1145 hpcfb_tv_erasecols(dc, row, startcol, ncols, attr);
1146 #ifdef HPCFB_JUMP
1147 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1148 dc->dc_state |= HPCFB_DC_UPDATE;
1149 return;
1150 }
1151 #endif /* HPCFB_JUMP */
1152 if (!IS_DRAWABLE(dc)) {
1153 return;
1154 }
1155
1156 if (ri->ri_bits == NULL)
1157 return;
1158
1159 dc->dc_state |= HPCFB_DC_DRAWING;
1160 if (sc && sc->sc_accessops->erase
1161 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1162 xoff = startcol * ri->ri_font->fontwidth;
1163 yoff = row * ri->ri_font->fontheight;
1164 width = ncols * ri->ri_font->fontwidth;
1165 height = ri->ri_font->fontheight;
1166 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1167 xoff, yoff, height, width, attr);
1168 } else
1169 rasops_emul.erasecols(ri, row, startcol, ncols, attr);
1170 dc->dc_state &= ~HPCFB_DC_DRAWING;
1171 #ifdef HPCFB_JUMP
1172 hpcfb_check_update(dc);
1173 #endif /* HPCFB_JUMP */
1174 }
1175
1176 /*
1177 * Copy rows.
1178 */
1179 void
1180 hpcfb_tv_copyrows(struct hpcfb_devconfig *dc, int src, int dst, int num)
1181 {
1182 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1183 struct hpcfb_tvrow *svc = &vscn[src];
1184 struct hpcfb_tvrow *dvc = &vscn[dst];
1185 int i;
1186 int d;
1187
1188 if (vscn == 0)
1189 return;
1190
1191 dc->dc_state |= HPCFB_DC_TDRAWING;
1192 #ifdef HPCFB_JUMP
1193 if (dst < dc->dc_min_row)
1194 dc->dc_min_row = dst;
1195 if (dst + num > dc->dc_max_row)
1196 dc->dc_max_row = dst + num -1;
1197 #endif /* HPCFB_JUMP */
1198
1199 if (svc > dvc)
1200 d = 1;
1201 else if (svc < dvc) {
1202 svc += num-1;
1203 dvc += num-1;
1204 d = -1;
1205 } else {
1206 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1207 #ifdef HPCFB_JUMP
1208 hpcfb_check_update(dc);
1209 #endif /* HPCFB_JUMP */
1210 return;
1211 }
1212
1213 for (i = 0; i < num; i++) {
1214 memcpy(&dvc->col[0], &svc->col[0], sizeof(struct hpcfb_vchar)*(svc->maxcol+1));
1215 if (svc->maxcol < dvc->maxcol && dvc->spacecol < dvc->maxcol)
1216 dvc->spacecol = dvc->maxcol;
1217 dvc->maxcol = svc->maxcol;
1218 svc+=d;
1219 dvc+=d;
1220 }
1221 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1222 #ifdef HPCFB_JUMP
1223 hpcfb_check_update(dc);
1224 #endif /* HPCFB_JUMP */
1225 }
1226
1227 void
1228 hpcfb_redraw(cookie, row, num, all)
1229 void *cookie;
1230 int row, num;
1231 int all;
1232 {
1233 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1234 struct rasops_info *ri = &dc->dc_rinfo;
1235 int cols;
1236 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1237 struct hpcfb_vchar *svc;
1238 int i, j;
1239
1240 #ifdef HPCFB_JUMP
1241 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1242 dc->dc_state |= HPCFB_DC_UPDATE;
1243 return;
1244 }
1245 #endif /* HPCFB_JUMP */
1246 if (dc->dc_sc != NULL
1247 && !dc->dc_sc->sc_polling
1248 && dc->dc_sc->sc_mapping)
1249 return;
1250
1251 dc->dc_state &= ~HPCFB_DC_ABORT;
1252
1253 if (vscn == 0)
1254 return;
1255
1256 if (!IS_DRAWABLE(dc)) {
1257 return;
1258 }
1259
1260 if (ri->ri_bits == NULL)
1261 return;
1262
1263 dc->dc_state |= HPCFB_DC_DRAWING;
1264 dc->dc_state |= HPCFB_DC_TDRAWING;
1265 for (i = 0; i < num; i++) {
1266 if (dc->dc_state&HPCFB_DC_ABORT)
1267 break;
1268 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1269 break;
1270 cols = vscn[row+i].maxcol;
1271 for (j = 0; j <= cols; j++) {
1272 if (dc->dc_state&HPCFB_DC_ABORT)
1273 continue;
1274 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1275 continue;
1276 svc = &vscn[row+i].col[j];
1277 rasops_emul.putchar(ri, row + i, j, svc->c, svc->attr);
1278 }
1279 if (all)
1280 cols = dc->dc_cols-1;
1281 else
1282 cols = vscn[row+i].spacecol;
1283 for (; j <= cols; j++) {
1284 if (dc->dc_state&HPCFB_DC_ABORT)
1285 continue;
1286 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1287 continue;
1288 rasops_emul.putchar(ri, row + i, j, ' ', 0);
1289 }
1290 vscn[row+i].spacecol = 0;
1291 }
1292 if (dc->dc_state&HPCFB_DC_ABORT)
1293 dc->dc_state &= ~HPCFB_DC_ABORT;
1294 dc->dc_state &= ~HPCFB_DC_DRAWING;
1295 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1296 #ifdef HPCFB_JUMP
1297 hpcfb_check_update(dc);
1298 #endif /* HPCFB_JUMP */
1299 }
1300
1301 #ifdef HPCFB_JUMP
1302 void
1303 hpcfb_update(void *v)
1304 {
1305 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1306
1307 /* callout_stop(&dc->dc_scroll_ch); */
1308 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1309 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1310 hpcfb_cursor_raw(dc, 0, dc->dc_cury, dc->dc_curx);
1311 if ((dc->dc_state&HPCFB_DC_UPDATEALL)) {
1312 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
1313 dc->dc_state &= ~(HPCFB_DC_UPDATE|HPCFB_DC_UPDATEALL);
1314 } else if ((dc->dc_state&HPCFB_DC_UPDATE)) {
1315 hpcfb_redraw(dc, dc->dc_min_row,
1316 dc->dc_max_row - dc->dc_min_row, 0);
1317 dc->dc_state &= ~HPCFB_DC_UPDATE;
1318 } else {
1319 hpcfb_redraw(dc, dc->dc_scroll_dst, dc->dc_scroll_num, 0);
1320 }
1321 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1322 hpcfb_cursor_raw(dc, 1, dc->dc_cury, dc->dc_curx);
1323 }
1324
1325 void
1326 hpcfb_do_scroll(void *v)
1327 {
1328 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1329
1330 dc->dc_state |= HPCFB_DC_SCRTHREAD;
1331 if (dc->dc_state&(HPCFB_DC_DRAWING|HPCFB_DC_TDRAWING))
1332 dc->dc_state |= HPCFB_DC_SCRDELAY;
1333 else if (dc->dc_sc != NULL && dc->dc_sc->sc_thread)
1334 wakeup(dc->dc_sc);
1335 else if (dc->dc_sc != NULL && !dc->dc_sc->sc_mapping) {
1336 /* draw only EMUL mode */
1337 hpcfb_update(v);
1338 }
1339 dc->dc_state &= ~HPCFB_DC_SCRTHREAD;
1340 }
1341
1342 void
1343 hpcfb_check_update(void *v)
1344 {
1345 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1346
1347 if (dc->dc_sc != NULL
1348 && dc->dc_sc->sc_polling
1349 && (dc->dc_state&HPCFB_DC_SCROLLPENDING)){
1350 callout_stop(&dc->dc_scroll_ch);
1351 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1352 hpcfb_update(v);
1353 }
1354 else if (dc->dc_state&HPCFB_DC_SCRDELAY){
1355 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1356 hpcfb_update(v);
1357 } else if (dc->dc_state&HPCFB_DC_UPDATEALL){
1358 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
1359 hpcfb_update(v);
1360 }
1361 }
1362 #endif /* HPCFB_JUMP */
1363
1364 void
1365 hpcfb_copyrows(void *cookie, int src, int dst, int num)
1366 {
1367 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1368 struct rasops_info *ri = &dc->dc_rinfo;
1369 struct hpcfb_softc *sc = dc->dc_sc;
1370 int srcyoff, dstyoff;
1371 int width, height;
1372
1373 hpcfb_tv_copyrows(cookie, src, dst, num);
1374
1375 if (!IS_DRAWABLE(dc)) {
1376 return;
1377 }
1378
1379 if (ri->ri_bits == NULL)
1380 return;
1381
1382 if (sc && sc->sc_accessops->bitblit
1383 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1384 dc->dc_state |= HPCFB_DC_DRAWING;
1385 srcyoff = src * ri->ri_font->fontheight;
1386 dstyoff = dst * ri->ri_font->fontheight;
1387 width = dc->dc_cols * ri->ri_font->fontwidth;
1388 height = num * ri->ri_font->fontheight;
1389 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1390 0, srcyoff, 0, dstyoff, height, width);
1391 dc->dc_state &= ~HPCFB_DC_DRAWING;
1392 }
1393 else {
1394 #ifdef HPCFB_JUMP
1395 if (sc && sc->sc_polling) {
1396 hpcfb_check_update(dc);
1397 } else if ((dc->dc_state&HPCFB_DC_SCROLLPENDING) == 0) {
1398 dc->dc_state |= HPCFB_DC_SCROLLPENDING;
1399 dc->dc_scroll = 1;
1400 dc->dc_scroll_src = src;
1401 dc->dc_scroll_dst = dst;
1402 dc->dc_scroll_num = num;
1403 callout_reset(&dc->dc_scroll_ch, hz/100, &hpcfb_do_scroll, dc);
1404 return;
1405 } else if (dc->dc_scroll++ < dc->dc_rows/HPCFB_MAX_JUMP) {
1406 dc->dc_state |= HPCFB_DC_UPDATE;
1407 return;
1408 } else {
1409 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1410 callout_stop(&dc->dc_scroll_ch);
1411 }
1412 if (dc->dc_state&HPCFB_DC_UPDATE) {
1413 dc->dc_state &= ~HPCFB_DC_UPDATE;
1414 hpcfb_redraw(cookie, dc->dc_min_row,
1415 dc->dc_max_row - dc->dc_min_row, 0);
1416 dc->dc_max_row = 0;
1417 dc->dc_min_row = dc->dc_rows;
1418 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1419 hpcfb_cursor(dc, 1, dc->dc_cury, dc->dc_curx);
1420 return;
1421 }
1422 #endif /* HPCFB_JUMP */
1423 hpcfb_redraw(cookie, dst, num, 0);
1424 }
1425 #ifdef HPCFB_JUMP
1426 hpcfb_check_update(dc);
1427 #endif /* HPCFB_JUMP */
1428 }
1429
1430 /*
1431 * eraserows
1432 */
1433 void
1434 hpcfb_tv_eraserows(struct hpcfb_devconfig *dc, int row, int nrow, long attr)
1435 {
1436 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1437 int cols;
1438 int i;
1439
1440 if (vscn == 0)
1441 return;
1442
1443 dc->dc_state |= HPCFB_DC_TDRAWING;
1444 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1445 #ifdef HPCFB_JUMP
1446 if (row < dc->dc_min_row)
1447 dc->dc_min_row = row;
1448 if (row + nrow > dc->dc_max_row)
1449 dc->dc_max_row = row + nrow;
1450 #endif /* HPCFB_JUMP */
1451
1452 for (i = 0; i < nrow; i++) {
1453 cols = vscn[row+i].maxcol;
1454 if (vscn[row+i].spacecol < cols)
1455 vscn[row+i].spacecol = cols;
1456 vscn[row+i].maxcol = -1;
1457 }
1458 #ifdef HPCFB_JUMP
1459 hpcfb_check_update(dc);
1460 #endif /* HPCFB_JUMP */
1461 }
1462
1463 void
1464 hpcfb_eraserows(void *cookie, int row, int nrow, long attr)
1465 {
1466 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1467 struct hpcfb_softc *sc = dc->dc_sc;
1468 struct rasops_info *ri = &dc->dc_rinfo;
1469 int yoff;
1470 int width;
1471 int height;
1472
1473 hpcfb_tv_eraserows(dc, row, nrow, attr);
1474 #ifdef HPCFB_JUMP
1475 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1476 dc->dc_state |= HPCFB_DC_UPDATE;
1477 return;
1478 }
1479 #endif /* HPCFB_JUMP */
1480 if (!IS_DRAWABLE(dc)) {
1481 return;
1482 }
1483
1484 if (ri->ri_bits == NULL)
1485 return;
1486
1487 dc->dc_state |= HPCFB_DC_DRAWING;
1488 if (sc && sc->sc_accessops->erase
1489 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1490 yoff = row * ri->ri_font->fontheight;
1491 width = dc->dc_cols * ri->ri_font->fontwidth;
1492 height = nrow * ri->ri_font->fontheight;
1493 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1494 0, yoff, height, width, attr);
1495 } else
1496 rasops_emul.eraserows(ri, row, nrow, attr);
1497 dc->dc_state &= ~HPCFB_DC_DRAWING;
1498 #ifdef HPCFB_JUMP
1499 hpcfb_check_update(dc);
1500 #endif /* HPCFB_JUMP */
1501 }
1502
1503 /*
1504 * alloc_attr
1505 */
1506 int
1507 hpcfb_alloc_attr(void *cookie, int fg, int bg, int flags, long *attrp)
1508 {
1509 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1510 struct rasops_info *ri = &dc->dc_rinfo;
1511
1512 return (rasops_emul.alloc_attr(ri, fg, bg, flags, attrp));
1513 }
1514