hpcfb.c revision 1.21 1 /* $NetBSD: hpcfb.c,v 1.21 2002/07/04 14:37:10 junyoung 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 1.21 2002/07/04 14:37:10 junyoung 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 1.21 2002/07/04 14:37:10 junyoung 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_allocattr(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_allocattr
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_allocattr(&hpcfb_console_dc,
434 WSCOL_WHITE, WSCOL_BLACK, 0, &defattr);
435 wsdisplay_cnattach(&hpcfb_console_wsscreen, &hpcfb_console_dc,
436 0, 0, defattr);
437 hpcfbconsole = 1;
438
439 return (0);
440 }
441
442 int
443 hpcfb_init(struct hpcfb_fbconf *fbconf, struct hpcfb_devconfig *dc)
444 {
445 struct rasops_info *ri;
446 vaddr_t fbaddr;
447
448 fbaddr = (vaddr_t)fbconf->hf_baseaddr;
449 dc->dc_fbaddr = (u_char *)fbaddr;
450
451 /* init rasops */
452 ri = &dc->dc_rinfo;
453 memset(ri, 0, sizeof(struct rasops_info));
454 ri->ri_depth = fbconf->hf_pixel_width;
455 ri->ri_bits = (caddr_t)fbaddr;
456 ri->ri_width = fbconf->hf_width;
457 ri->ri_height = fbconf->hf_height;
458 ri->ri_stride = fbconf->hf_bytes_per_line;
459 #if 0
460 ri->ri_flg = RI_FORCEMONO | RI_CURSOR;
461 #else
462 ri->ri_flg = RI_CURSOR;
463 #endif
464 switch (ri->ri_depth) {
465 case 8:
466 if (32 <= fbconf->hf_pack_width &&
467 (fbconf->hf_order_flags & HPCFB_REVORDER_BYTE) &&
468 (fbconf->hf_order_flags & HPCFB_REVORDER_WORD)) {
469 ri->ri_flg |= RI_BSWAP;
470 }
471 break;
472 default:
473 if (fbconf->hf_order_flags & HPCFB_REVORDER_BYTE) {
474 #if BYTE_ORDER == BIG_ENDIAN
475 ri->ri_flg |= RI_BSWAP;
476 #endif
477 } else {
478 #if BYTE_ORDER == LITTLE_ENDIAN
479 ri->ri_flg |= RI_BSWAP;
480 #endif
481 }
482 break;
483 }
484
485 if (rasops_init(ri, HPCFB_MAX_ROW, HPCFB_MAX_COLUMN)) {
486 panic("%s(%d): rasops_init() failed!", __FILE__, __LINE__);
487 }
488
489 /* over write color map of rasops */
490 hpcfb_cmap_reorder (fbconf, dc);
491
492 dc->dc_curx = -1;
493 dc->dc_cury = -1;
494 dc->dc_rows = dc->dc_rinfo.ri_rows;
495 dc->dc_cols = dc->dc_rinfo.ri_cols;
496 #ifdef HPCFB_JUMP
497 dc->dc_max_row = 0;
498 dc->dc_min_row = dc->dc_rows;
499 dc->dc_scroll = 0;
500 callout_init(&dc->dc_scroll_ch);
501 #endif /* HPCFB_JUMP */
502 dc->dc_memsize = ri->ri_stride * ri->ri_height;
503 /* hook rasops in hpcfb_ops */
504 rasops_emul = ri->ri_ops; /* struct copy */
505 ri->ri_ops = hpcfb_emulops; /* struct copy */
506
507 return (0);
508 }
509
510 static void
511 hpcfb_cmap_reorder(struct hpcfb_fbconf *fbconf, struct hpcfb_devconfig *dc)
512 {
513 struct rasops_info *ri = &dc->dc_rinfo;
514 int reverse = fbconf->hf_access_flags & HPCFB_ACCESS_REVERSE;
515 int *cmap = ri->ri_devcmap;
516 int i, j, bg, fg, tmp;
517
518 /*
519 * Set forground and background so that the screen
520 * looks black on white.
521 * Normally, black = 00 and white = ff.
522 * HPCFB_ACCESS_REVERSE means black = ff and white = 00.
523 */
524 switch (fbconf->hf_pixel_width) {
525 case 1:
526 /* FALLTHROUGH */
527 case 2:
528 /* FALLTHROUGH */
529 case 4:
530 if (reverse) {
531 bg = 0;
532 fg = ~0;
533 } else {
534 bg = ~0;
535 fg = 0;
536 }
537 /* for gray-scale LCD, hi-contrast color map */
538 cmap[0] = bg;
539 for (i = 1; i < 16; i++)
540 cmap[i] = fg;
541 break;
542 case 8:
543 /* FALLTHROUGH */
544 case 16:
545 if (reverse) {
546 for (i = 0, j = 15; i < 8; i++, j--) {
547 tmp = cmap[i];
548 cmap[i] = cmap[j];
549 cmap[j] = tmp;
550 }
551 }
552 break;
553 }
554 }
555
556 int
557 hpcfb_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
558 {
559 struct hpcfb_softc *sc = v;
560 struct hpcfb_devconfig *dc = sc->sc_dc;
561 struct wsdisplay_fbinfo *wdf;
562
563 DPRINTF(("hpcfb_ioctl(cmd=0x%lx)\n", cmd));
564 switch (cmd) {
565 case WSKBDIO_BELL:
566 return (0);
567 break;
568
569 case WSDISPLAYIO_GTYPE:
570 *(u_int *)data = WSDISPLAY_TYPE_HPCFB;
571 return (0);
572
573 case WSDISPLAYIO_GINFO:
574 wdf = (void *)data;
575 wdf->height = dc->dc_rinfo.ri_height;
576 wdf->width = dc->dc_rinfo.ri_width;
577 wdf->depth = dc->dc_rinfo.ri_depth;
578 wdf->cmsize = 256; /* XXXX */
579 return (0);
580
581 case WSDISPLAYIO_SMODE:
582 if (*(int *)data == WSDISPLAYIO_MODE_EMUL){
583 if (sc->sc_mapping){
584 sc->sc_mapping = 0;
585 if (dc->dc_state&HPCFB_DC_DRAWING)
586 dc->dc_state &= ~HPCFB_DC_ABORT;
587 #ifdef HPCFB_FORCE_REDRAW
588 hpcfb_refresh_screen(sc);
589 #else
590 dc->dc_state |= HPCFB_DC_UPDATEALL;
591 #endif
592 }
593 } else {
594 if (!sc->sc_mapping) {
595 sc->sc_mapping = 1;
596 dc->dc_state |= HPCFB_DC_ABORT;
597 }
598 sc->sc_mapping = 1;
599 }
600 if (sc && sc->sc_accessops->iodone)
601 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
602 return (0);
603
604 case WSDISPLAYIO_GETCMAP:
605 case WSDISPLAYIO_PUTCMAP:
606 case WSDISPLAYIO_GETPARAM:
607 case WSDISPLAYIO_SETPARAM:
608 case HPCFBIO_GCONF:
609 case HPCFBIO_SCONF:
610 case HPCFBIO_GDSPCONF:
611 case HPCFBIO_SDSPCONF:
612 case HPCFBIO_GOP:
613 case HPCFBIO_SOP:
614 return ((*sc->sc_accessops->ioctl)(sc->sc_accessctx,
615 cmd, data, flag, p));
616
617 default:
618 if (IOCGROUP(cmd) != 't')
619 DPRINTF(("%s(%d): hpcfb_ioctl(%lx, %lx) grp=%c num=%ld\n",
620 __FILE__, __LINE__,
621 cmd, (u_long)data, (char)IOCGROUP(cmd), cmd&0xff));
622 break;
623 }
624
625 return (EPASSTHROUGH); /* Inappropriate ioctl for device */
626 }
627
628 paddr_t
629 hpcfb_mmap(void *v, off_t offset, int prot)
630 {
631 struct hpcfb_softc *sc = v;
632
633 return ((*sc->sc_accessops->mmap)(sc->sc_accessctx, offset, prot));
634 }
635
636 static void
637 hpcfb_power(int why, void *arg)
638 {
639 struct hpcfb_softc *sc = arg;
640
641 if (sc->sc_dc == NULL)
642 return; /* You have no screen yet. */
643
644 switch (why) {
645 case PWR_STANDBY:
646 break;
647 case PWR_SOFTSUSPEND:
648 /* XXX, casting to 'struct wsdisplay_softc *' means
649 that you should not call the method here... */
650 sc->sc_screen_resumed = wsdisplay_getactivescreen(
651 (struct wsdisplay_softc *)sc->sc_wsdisplay);
652 if (wsdisplay_switch(sc->sc_wsdisplay,
653 WSDISPLAY_NULLSCREEN,
654 1 /* waitok */) == 0) {
655 wsscreen_switchwait(
656 (struct wsdisplay_softc *)sc->sc_wsdisplay,
657 WSDISPLAY_NULLSCREEN);
658 } else {
659 sc->sc_screen_resumed = WSDISPLAY_NULLSCREEN;
660 }
661
662 sc->sc_dc->dc_state &= ~HPCFB_DC_CURRENT;
663 break;
664 case PWR_SOFTRESUME:
665 sc->sc_dc->dc_state |= HPCFB_DC_CURRENT;
666 if (sc->sc_screen_resumed != WSDISPLAY_NULLSCREEN)
667 wsdisplay_switch(sc->sc_wsdisplay,
668 sc->sc_screen_resumed,
669 1 /* waitok */);
670 break;
671 }
672 }
673
674 void
675 hpcfb_refresh_screen(struct hpcfb_softc *sc)
676 {
677 struct hpcfb_devconfig *dc = sc->sc_dc;
678 int x, y;
679
680 DPRINTF(("hpcfb_refres_screen()\n"));
681 if (dc == NULL)
682 return;
683
684 #ifdef HPCFB_JUMP
685 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
686 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
687 dc->dc_state &= ~HPCFB_DC_UPDATE;
688 callout_stop(&dc->dc_scroll_ch);
689 }
690 #endif /* HPCFB_JUMP */
691 /*
692 * refresh screen
693 */
694 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
695 x = dc->dc_curx;
696 y = dc->dc_cury;
697 if (0 <= x && 0 <= y)
698 hpcfb_cursor_raw(dc, 0, y, x); /* disable cursor */
699 /* redraw all text */
700 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
701 if (0 <= x && 0 <= y)
702 hpcfb_cursor_raw(dc, 1, y, x); /* enable cursor */
703 }
704
705 static int
706 hpcfb_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
707 int *curxp, int *curyp, long *attrp)
708 {
709 struct hpcfb_softc *sc = v;
710 struct hpcfb_devconfig *dc;
711
712 DPRINTF(("%s(%d): hpcfb_alloc_screen()\n", __FILE__, __LINE__));
713
714 dc = malloc(sizeof(struct hpcfb_devconfig), M_DEVBUF, M_WAITOK|M_ZERO);
715 if (dc == NULL)
716 return (ENOMEM);
717
718 dc->dc_sc = sc;
719 if (hpcfb_init(&sc->sc_fbconflist[0], dc) != 0)
720 return (EINVAL);
721 if (sc->sc_accessops->font) {
722 sc->sc_accessops->font(sc->sc_accessctx,
723 dc->dc_rinfo.ri_font);
724 }
725 /* Set video chip dependent CLUT if any. */
726 if (sc->sc_accessops->setclut)
727 sc->sc_accessops->setclut(sc->sc_accessctx, &dc->dc_rinfo);
728 printf("hpcfb: %dx%d pixels, %d colors, %dx%d chars\n",
729 dc->dc_rinfo.ri_width, dc->dc_rinfo.ri_height,
730 pow(2, dc->dc_rinfo.ri_depth),
731 dc->dc_rinfo.ri_cols, dc->dc_rinfo.ri_rows);
732
733 /*
734 * XXX, wsdisplay won't reffer the information in wsscreen_descr
735 * structure until alloc_screen will be called, at least, under
736 * current implementation...
737 */
738 hpcfb_stdscreen.nrows = dc->dc_rows;
739 hpcfb_stdscreen.ncols = dc->dc_cols;
740 hpcfb_stdscreen.capabilities = dc->dc_rinfo.ri_caps;
741
742 dc->dc_fbaddr = dc->dc_rinfo.ri_bits;
743 dc->dc_rows = dc->dc_rinfo.ri_rows;
744 dc->dc_cols = dc->dc_rinfo.ri_cols;
745 dc->dc_memsize = dc->dc_rinfo.ri_stride * dc->dc_rinfo.ri_height;
746
747 dc->dc_curx = -1;
748 dc->dc_cury = -1;
749 dc->dc_tvram = malloc(sizeof(struct hpcfb_tvrow)*dc->dc_rows,
750 M_DEVBUF, M_WAITOK|M_ZERO);
751 if (dc->dc_tvram == NULL){
752 free(dc, M_DEVBUF);
753 return (ENOMEM);
754 }
755
756 *curxp = 0;
757 *curyp = 0;
758 *cookiep = dc;
759 hpcfb_allocattr(*cookiep, WSCOL_WHITE, WSCOL_BLACK, 0, attrp);
760 DPRINTF(("%s(%d): hpcfb_alloc_screen(): 0x%p\n",
761 __FILE__, __LINE__, dc));
762
763 return (0);
764 }
765
766 static void
767 hpcfb_free_screen(void *v, void *cookie)
768 {
769 struct hpcfb_devconfig *dc = cookie;
770
771 DPRINTF(("%s(%d): hpcfb_free_screen(0x%p)\n",
772 __FILE__, __LINE__, cookie));
773 #ifdef DIAGNOSTIC
774 if (dc == &hpcfb_console_dc)
775 panic("hpcfb_free_screen: console");
776 #endif
777 free(dc->dc_tvram, M_DEVBUF);
778 free(dc, M_DEVBUF);
779 }
780
781 static int
782 hpcfb_show_screen(void *v, void *cookie, int waitok,
783 void (*cb)(void *, int, int), void *cbarg)
784 {
785 struct hpcfb_softc *sc = v;
786 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
787 struct hpcfb_devconfig *odc;
788
789 DPRINTF(("%s(%d): hpcfb_show_screen(0x%p)\n",
790 __FILE__, __LINE__, dc));
791
792 odc = sc->sc_dc;
793
794 if (dc == NULL || odc == dc) {
795 hpcfb_refresh_screen(sc);
796 return (0);
797 }
798
799 if (odc != NULL) {
800 odc->dc_state |= HPCFB_DC_SWITCHREQ;
801
802 if ((odc->dc_state&HPCFB_DC_DRAWING) != 0) {
803 odc->dc_state |= HPCFB_DC_ABORT;
804 }
805 }
806
807 sc->sc_wantedscreen = cookie;
808 sc->sc_switchcb = cb;
809 sc->sc_switchcbarg = cbarg;
810 if (cb) {
811 callout_reset(&sc->sc_switch_callout, 0,
812 (void(*)(void *))hpcfb_doswitch, sc);
813 return (EAGAIN);
814 }
815
816 hpcfb_doswitch(sc);
817 return (0);
818 }
819
820 void
821 hpcfb_doswitch(struct hpcfb_softc *sc)
822 {
823 struct hpcfb_devconfig *dc;
824 struct hpcfb_devconfig *odc;
825
826 DPRINTF(("hpcfb_doswitch()\n"));
827 odc = sc->sc_dc;
828 dc = sc->sc_wantedscreen;
829
830 if (!dc) {
831 (*sc->sc_switchcb)(sc->sc_switchcbarg, EIO, 0);
832 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
833 return;
834 }
835
836 if (odc == dc) {
837 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
838 return;
839 }
840
841 if (odc) {
842 #ifdef HPCFB_JUMP
843 odc->dc_state |= HPCFB_DC_ABORT;
844 #endif /* HPCFB_JUMP */
845
846 if (odc->dc_curx >= 0 && odc->dc_cury >= 0)
847 hpcfb_cursor_raw(odc, 0, odc->dc_cury, odc->dc_curx);
848 /* disable cursor */
849 /* disable old screen */
850 odc->dc_state &= ~HPCFB_DC_CURRENT;
851 /* XXX, This is too dangerous.
852 odc->dc_rinfo.ri_bits = NULL;
853 */
854 }
855 /* switch screen to new one */
856 dc->dc_state |= HPCFB_DC_CURRENT;
857 dc->dc_state &= ~HPCFB_DC_ABORT;
858 dc->dc_rinfo.ri_bits = dc->dc_fbaddr;
859 sc->sc_dc = dc;
860
861 /* redraw screen image */
862 hpcfb_refresh_screen(sc);
863
864 sc->sc_wantedscreen = NULL;
865 if (sc->sc_switchcb)
866 (*sc->sc_switchcb)(sc->sc_switchcbarg, 0, 0);
867
868 if (odc != NULL)
869 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
870 dc->dc_state &= ~HPCFB_DC_SWITCHREQ;
871 return;
872 }
873
874 static void
875 hpcfb_pollc(void *v, int on)
876 {
877 struct hpcfb_softc *sc = v;
878
879 if (sc == NULL)
880 return;
881 sc->sc_polling = on;
882 if (sc->sc_accessops->iodone)
883 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
884 if (on) {
885 hpcfb_refresh_screen(sc);
886 if (sc->sc_accessops->iodone)
887 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
888 }
889
890 return;
891 }
892
893 /*
894 * cursor
895 */
896 void
897 hpcfb_cursor(void *cookie, int on, int row, int col)
898 {
899 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
900
901 if (on) {
902 dc->dc_curx = col;
903 dc->dc_cury = row;
904 } else {
905 dc->dc_curx = -1;
906 dc->dc_cury = -1;
907 }
908
909 hpcfb_cursor_raw(cookie, on, row, col);
910 }
911
912 void
913 hpcfb_cursor_raw(cookie, on, row, col)
914 void *cookie;
915 int on, row, col;
916 {
917 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
918 struct hpcfb_softc *sc = dc->dc_sc;
919 struct rasops_info *ri = &dc->dc_rinfo;
920 int curwidth, curheight;
921 int xoff, yoff;
922
923 #ifdef HPCFB_JUMP
924 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
925 dc->dc_state |= HPCFB_DC_UPDATE;
926 return;
927 }
928 #endif /* HPCFB_JUMP */
929 if (!IS_DRAWABLE(dc)) {
930 return;
931 }
932
933 if (ri->ri_bits == NULL)
934 return;
935
936 dc->dc_state |= HPCFB_DC_DRAWING;
937 if (sc && sc->sc_accessops->cursor) {
938 xoff = col * ri->ri_font->fontwidth;
939 yoff = row * ri->ri_font->fontheight;
940 curheight = ri->ri_font->fontheight;
941 curwidth = ri->ri_font->fontwidth;
942 (*sc->sc_accessops->cursor)(sc->sc_accessctx,
943 on, xoff, yoff, curwidth, curheight);
944 } else
945 rasops_emul.cursor(ri, on, row, col);
946 dc->dc_state &= ~HPCFB_DC_DRAWING;
947 }
948
949 /*
950 * mapchar
951 */
952 int
953 hpcfb_mapchar(void *cookie, int c, unsigned int *cp)
954 {
955 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
956 struct rasops_info *ri = &dc->dc_rinfo;
957
958 return (rasops_emul.mapchar(ri, c, cp));
959 }
960
961 /*
962 * putchar
963 */
964 void
965 hpcfb_tv_putchar(struct hpcfb_devconfig *dc, int row, int col, u_int uc,
966 long attr)
967 {
968 struct hpcfb_tvrow *vscn = dc->dc_tvram;
969 struct hpcfb_vchar *vc = &vscn[row].col[col];
970 struct hpcfb_vchar *vcb;
971
972 if (vscn == 0)
973 return;
974
975 dc->dc_state |= HPCFB_DC_TDRAWING;
976 #ifdef HPCFB_JUMP
977 if (row < dc->dc_min_row)
978 dc->dc_min_row = row;
979 if (row > dc->dc_max_row)
980 dc->dc_max_row = row;
981
982 #endif /* HPCFB_JUMP */
983 if (vscn[row].maxcol +1 == col)
984 vscn[row].maxcol = col;
985 else if (vscn[row].maxcol < col) {
986 vcb = &vscn[row].col[vscn[row].maxcol+1];
987 memset(vcb, 0,
988 sizeof(struct hpcfb_vchar)*(col-vscn[row].maxcol-1));
989 vscn[row].maxcol = col;
990 }
991 vc->c = uc;
992 vc->attr = attr;
993 dc->dc_state &= ~HPCFB_DC_TDRAWING;
994 #ifdef HPCFB_JUMP
995 hpcfb_check_update(dc);
996 #endif /* HPCFB_JUMP */
997 }
998
999 void
1000 hpcfb_putchar(void *cookie, int row, int col, u_int uc, long attr)
1001 {
1002 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1003 struct hpcfb_softc *sc = dc->dc_sc;
1004 struct rasops_info *ri = &dc->dc_rinfo;
1005 int xoff;
1006 int yoff;
1007 int fclr, uclr;
1008 struct wsdisplay_font *font;
1009
1010 hpcfb_tv_putchar(dc, row, col, uc, attr);
1011 #ifdef HPCFB_JUMP
1012 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1013 dc->dc_state |= HPCFB_DC_UPDATE;
1014 return;
1015 }
1016 #endif /* HPCFB_JUMP */
1017
1018 if (!IS_DRAWABLE(dc)) {
1019 return;
1020 }
1021
1022 if (ri->ri_bits == NULL)
1023 return;
1024
1025 dc->dc_state |= HPCFB_DC_DRAWING;
1026 if (sc && sc->sc_accessops->putchar
1027 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1028 font = ri->ri_font;
1029 yoff = row * ri->ri_font->fontheight;
1030 xoff = col * ri->ri_font->fontwidth;
1031 fclr = ri->ri_devcmap[((u_int)attr >> 24) & 15];
1032 uclr = ri->ri_devcmap[((u_int)attr >> 16) & 15];
1033
1034 (*sc->sc_accessops->putchar)(sc->sc_accessctx,
1035 xoff, yoff, font, fclr, uclr, uc, attr);
1036 } else
1037 rasops_emul.putchar(ri, row, col, uc, attr);
1038 dc->dc_state &= ~HPCFB_DC_DRAWING;
1039 #ifdef HPCFB_JUMP
1040 hpcfb_check_update(dc);
1041 #endif /* HPCFB_JUMP */
1042 }
1043
1044 /*
1045 * copycols
1046 */
1047 void
1048 hpcfb_tv_copycols(struct hpcfb_devconfig *dc, int row, int srccol, int dstcol,
1049 int ncols)
1050 {
1051 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1052 struct hpcfb_vchar *svc = &vscn[row].col[srccol];
1053 struct hpcfb_vchar *dvc = &vscn[row].col[dstcol];
1054
1055 if (vscn == 0)
1056 return;
1057
1058 dc->dc_state |= HPCFB_DC_TDRAWING;
1059 #ifdef HPCFB_JUMP
1060 if (row < dc->dc_min_row)
1061 dc->dc_min_row = row;
1062 if (row > dc->dc_max_row)
1063 dc->dc_max_row = row;
1064 #endif /* HPCFB_JUMP */
1065
1066 memcpy(dvc, svc, ncols*sizeof(struct hpcfb_vchar));
1067 if (vscn[row].maxcol < srccol+ncols-1)
1068 vscn[row].maxcol = srccol+ncols-1;
1069 if (vscn[row].maxcol < dstcol+ncols-1)
1070 vscn[row].maxcol = dstcol+ncols-1;
1071 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1072 #ifdef HPCFB_JUMP
1073 hpcfb_check_update(dc);
1074 #endif /* HPCFB_JUMP */
1075 }
1076
1077 void
1078 hpcfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1079 {
1080 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1081 struct hpcfb_softc *sc = dc->dc_sc;
1082 struct rasops_info *ri = &dc->dc_rinfo;
1083 int srcxoff,dstxoff;
1084 int srcyoff,dstyoff;
1085 int height, width;
1086
1087 hpcfb_tv_copycols(dc, row, srccol, dstcol, ncols);
1088 #ifdef HPCFB_JUMP
1089 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1090 dc->dc_state |= HPCFB_DC_UPDATE;
1091 return;
1092 }
1093 #endif /* HPCFB_JUMP */
1094 if (!IS_DRAWABLE(dc)) {
1095 return;
1096 }
1097
1098 if (ri->ri_bits == NULL)
1099 return;
1100
1101 dc->dc_state |= HPCFB_DC_DRAWING;
1102 if (sc && sc->sc_accessops->bitblit
1103 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1104 srcxoff = srccol * ri->ri_font->fontwidth;
1105 srcyoff = row * ri->ri_font->fontheight;
1106 dstxoff = dstcol * ri->ri_font->fontwidth;
1107 dstyoff = row * ri->ri_font->fontheight;
1108 width = ncols * ri->ri_font->fontwidth;
1109 height = ri->ri_font->fontheight;
1110 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1111 srcxoff, srcyoff, dstxoff, dstyoff, height, width);
1112 } else
1113 rasops_emul.copycols(ri, row, srccol, dstcol, ncols);
1114 dc->dc_state &= ~HPCFB_DC_DRAWING;
1115 #ifdef HPCFB_JUMP
1116 hpcfb_check_update(dc);
1117 #endif /* HPCFB_JUMP */
1118 }
1119
1120
1121 /*
1122 * erasecols
1123 */
1124 void
1125 hpcfb_tv_erasecols(struct hpcfb_devconfig *dc, int row, int startcol,
1126 int ncols, long attr)
1127 {
1128 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1129
1130 if (vscn == 0)
1131 return;
1132
1133 dc->dc_state |= HPCFB_DC_TDRAWING;
1134 #ifdef HPCFB_JUMP
1135 if (row < dc->dc_min_row)
1136 dc->dc_min_row = row;
1137 if (row > dc->dc_max_row)
1138 dc->dc_max_row = row;
1139 #endif /* HPCFB_JUMP */
1140
1141 vscn[row].maxcol = startcol-1;
1142 if (vscn[row].spacecol < startcol+ncols-1)
1143 vscn[row].spacecol = startcol+ncols-1;
1144 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1145 #ifdef HPCFB_JUMP
1146 hpcfb_check_update(dc);
1147 #endif /* HPCFB_JUMP */
1148 }
1149
1150 void
1151 hpcfb_erasecols(void *cookie, int row, int startcol, int ncols, long attr)
1152 {
1153 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1154 struct hpcfb_softc *sc = dc->dc_sc;
1155 struct rasops_info *ri = &dc->dc_rinfo;
1156 int xoff, yoff;
1157 int width, height;
1158
1159 hpcfb_tv_erasecols(dc, row, startcol, ncols, attr);
1160 #ifdef HPCFB_JUMP
1161 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1162 dc->dc_state |= HPCFB_DC_UPDATE;
1163 return;
1164 }
1165 #endif /* HPCFB_JUMP */
1166 if (!IS_DRAWABLE(dc)) {
1167 return;
1168 }
1169
1170 if (ri->ri_bits == NULL)
1171 return;
1172
1173 dc->dc_state |= HPCFB_DC_DRAWING;
1174 if (sc && sc->sc_accessops->erase
1175 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1176 xoff = startcol * ri->ri_font->fontwidth;
1177 yoff = row * ri->ri_font->fontheight;
1178 width = ncols * ri->ri_font->fontwidth;
1179 height = ri->ri_font->fontheight;
1180 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1181 xoff, yoff, height, width, attr);
1182 } else
1183 rasops_emul.erasecols(ri, row, startcol, ncols, attr);
1184 dc->dc_state &= ~HPCFB_DC_DRAWING;
1185 #ifdef HPCFB_JUMP
1186 hpcfb_check_update(dc);
1187 #endif /* HPCFB_JUMP */
1188 }
1189
1190 /*
1191 * Copy rows.
1192 */
1193 void
1194 hpcfb_tv_copyrows(struct hpcfb_devconfig *dc, int src, int dst, int num)
1195 {
1196 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1197 struct hpcfb_tvrow *svc = &vscn[src];
1198 struct hpcfb_tvrow *dvc = &vscn[dst];
1199 int i;
1200 int d;
1201
1202 if (vscn == 0)
1203 return;
1204
1205 dc->dc_state |= HPCFB_DC_TDRAWING;
1206 #ifdef HPCFB_JUMP
1207 if (dst < dc->dc_min_row)
1208 dc->dc_min_row = dst;
1209 if (dst + num > dc->dc_max_row)
1210 dc->dc_max_row = dst + num -1;
1211 #endif /* HPCFB_JUMP */
1212
1213 if (svc > dvc)
1214 d = 1;
1215 else if (svc < dvc) {
1216 svc += num-1;
1217 dvc += num-1;
1218 d = -1;
1219 } else {
1220 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1221 #ifdef HPCFB_JUMP
1222 hpcfb_check_update(dc);
1223 #endif /* HPCFB_JUMP */
1224 return;
1225 }
1226
1227 for (i = 0; i < num; i++) {
1228 memcpy(&dvc->col[0], &svc->col[0], sizeof(struct hpcfb_vchar)*(svc->maxcol+1));
1229 if (svc->maxcol < dvc->maxcol && dvc->spacecol < dvc->maxcol)
1230 dvc->spacecol = dvc->maxcol;
1231 dvc->maxcol = svc->maxcol;
1232 svc+=d;
1233 dvc+=d;
1234 }
1235 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1236 #ifdef HPCFB_JUMP
1237 hpcfb_check_update(dc);
1238 #endif /* HPCFB_JUMP */
1239 }
1240
1241 void
1242 hpcfb_redraw(cookie, row, num, all)
1243 void *cookie;
1244 int row, num;
1245 int all;
1246 {
1247 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1248 struct rasops_info *ri = &dc->dc_rinfo;
1249 int cols;
1250 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1251 struct hpcfb_vchar *svc;
1252 int i, j;
1253
1254 #ifdef HPCFB_JUMP
1255 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1256 dc->dc_state |= HPCFB_DC_UPDATE;
1257 return;
1258 }
1259 #endif /* HPCFB_JUMP */
1260 if (dc->dc_sc != NULL
1261 && !dc->dc_sc->sc_polling
1262 && dc->dc_sc->sc_mapping)
1263 return;
1264
1265 dc->dc_state &= ~HPCFB_DC_ABORT;
1266
1267 if (vscn == 0)
1268 return;
1269
1270 if (!IS_DRAWABLE(dc)) {
1271 return;
1272 }
1273
1274 if (ri->ri_bits == NULL)
1275 return;
1276
1277 dc->dc_state |= HPCFB_DC_DRAWING;
1278 dc->dc_state |= HPCFB_DC_TDRAWING;
1279 for (i = 0; i < num; i++) {
1280 if (dc->dc_state&HPCFB_DC_ABORT)
1281 break;
1282 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1283 break;
1284 cols = vscn[row+i].maxcol;
1285 for (j = 0; 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 svc = &vscn[row+i].col[j];
1291 rasops_emul.putchar(ri, row + i, j, svc->c, svc->attr);
1292 }
1293 if (all)
1294 cols = dc->dc_cols-1;
1295 else
1296 cols = vscn[row+i].spacecol;
1297 for (; j <= cols; j++) {
1298 if (dc->dc_state&HPCFB_DC_ABORT)
1299 continue;
1300 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1301 continue;
1302 rasops_emul.putchar(ri, row + i, j, ' ', 0);
1303 }
1304 vscn[row+i].spacecol = 0;
1305 }
1306 if (dc->dc_state&HPCFB_DC_ABORT)
1307 dc->dc_state &= ~HPCFB_DC_ABORT;
1308 dc->dc_state &= ~HPCFB_DC_DRAWING;
1309 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1310 #ifdef HPCFB_JUMP
1311 hpcfb_check_update(dc);
1312 #endif /* HPCFB_JUMP */
1313 }
1314
1315 #ifdef HPCFB_JUMP
1316 void
1317 hpcfb_update(void *v)
1318 {
1319 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1320
1321 /* callout_stop(&dc->dc_scroll_ch); */
1322 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1323 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1324 hpcfb_cursor_raw(dc, 0, dc->dc_cury, dc->dc_curx);
1325 if ((dc->dc_state&HPCFB_DC_UPDATEALL)) {
1326 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
1327 dc->dc_state &= ~(HPCFB_DC_UPDATE|HPCFB_DC_UPDATEALL);
1328 } else if ((dc->dc_state&HPCFB_DC_UPDATE)) {
1329 hpcfb_redraw(dc, dc->dc_min_row,
1330 dc->dc_max_row - dc->dc_min_row, 0);
1331 dc->dc_state &= ~HPCFB_DC_UPDATE;
1332 } else {
1333 hpcfb_redraw(dc, dc->dc_scroll_dst, dc->dc_scroll_num, 0);
1334 }
1335 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1336 hpcfb_cursor_raw(dc, 1, dc->dc_cury, dc->dc_curx);
1337 }
1338
1339 void
1340 hpcfb_do_scroll(void *v)
1341 {
1342 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1343
1344 dc->dc_state |= HPCFB_DC_SCRTHREAD;
1345 if (dc->dc_state&(HPCFB_DC_DRAWING|HPCFB_DC_TDRAWING))
1346 dc->dc_state |= HPCFB_DC_SCRDELAY;
1347 else if (dc->dc_sc != NULL && dc->dc_sc->sc_thread)
1348 wakeup(dc->dc_sc);
1349 else if (dc->dc_sc != NULL && !dc->dc_sc->sc_mapping) {
1350 /* draw only EMUL mode */
1351 hpcfb_update(v);
1352 }
1353 dc->dc_state &= ~HPCFB_DC_SCRTHREAD;
1354 }
1355
1356 void
1357 hpcfb_check_update(void *v)
1358 {
1359 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1360
1361 if (dc->dc_sc != NULL
1362 && dc->dc_sc->sc_polling
1363 && (dc->dc_state&HPCFB_DC_SCROLLPENDING)){
1364 callout_stop(&dc->dc_scroll_ch);
1365 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1366 hpcfb_update(v);
1367 }
1368 else if (dc->dc_state&HPCFB_DC_SCRDELAY){
1369 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1370 hpcfb_update(v);
1371 } else if (dc->dc_state&HPCFB_DC_UPDATEALL){
1372 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
1373 hpcfb_update(v);
1374 }
1375 }
1376 #endif /* HPCFB_JUMP */
1377
1378 void
1379 hpcfb_copyrows(void *cookie, int src, int dst, int num)
1380 {
1381 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1382 struct rasops_info *ri = &dc->dc_rinfo;
1383 struct hpcfb_softc *sc = dc->dc_sc;
1384 int srcyoff, dstyoff;
1385 int width, height;
1386
1387 hpcfb_tv_copyrows(cookie, src, dst, num);
1388
1389 if (!IS_DRAWABLE(dc)) {
1390 return;
1391 }
1392
1393 if (ri->ri_bits == NULL)
1394 return;
1395
1396 if (sc && sc->sc_accessops->bitblit
1397 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1398 dc->dc_state |= HPCFB_DC_DRAWING;
1399 srcyoff = src * ri->ri_font->fontheight;
1400 dstyoff = dst * ri->ri_font->fontheight;
1401 width = dc->dc_cols * ri->ri_font->fontwidth;
1402 height = num * ri->ri_font->fontheight;
1403 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1404 0, srcyoff, 0, dstyoff, height, width);
1405 dc->dc_state &= ~HPCFB_DC_DRAWING;
1406 }
1407 else {
1408 #ifdef HPCFB_JUMP
1409 if (sc && sc->sc_polling) {
1410 hpcfb_check_update(dc);
1411 } else if ((dc->dc_state&HPCFB_DC_SCROLLPENDING) == 0) {
1412 dc->dc_state |= HPCFB_DC_SCROLLPENDING;
1413 dc->dc_scroll = 1;
1414 dc->dc_scroll_src = src;
1415 dc->dc_scroll_dst = dst;
1416 dc->dc_scroll_num = num;
1417 callout_reset(&dc->dc_scroll_ch, hz/100, &hpcfb_do_scroll, dc);
1418 return;
1419 } else if (dc->dc_scroll++ < dc->dc_rows/HPCFB_MAX_JUMP) {
1420 dc->dc_state |= HPCFB_DC_UPDATE;
1421 return;
1422 } else {
1423 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1424 callout_stop(&dc->dc_scroll_ch);
1425 }
1426 if (dc->dc_state&HPCFB_DC_UPDATE) {
1427 dc->dc_state &= ~HPCFB_DC_UPDATE;
1428 hpcfb_redraw(cookie, dc->dc_min_row,
1429 dc->dc_max_row - dc->dc_min_row, 0);
1430 dc->dc_max_row = 0;
1431 dc->dc_min_row = dc->dc_rows;
1432 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1433 hpcfb_cursor(dc, 1, dc->dc_cury, dc->dc_curx);
1434 return;
1435 }
1436 #endif /* HPCFB_JUMP */
1437 hpcfb_redraw(cookie, dst, num, 0);
1438 }
1439 #ifdef HPCFB_JUMP
1440 hpcfb_check_update(dc);
1441 #endif /* HPCFB_JUMP */
1442 }
1443
1444 /*
1445 * eraserows
1446 */
1447 void
1448 hpcfb_tv_eraserows(struct hpcfb_devconfig *dc, int row, int nrow, long attr)
1449 {
1450 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1451 int cols;
1452 int i;
1453
1454 if (vscn == 0)
1455 return;
1456
1457 dc->dc_state |= HPCFB_DC_TDRAWING;
1458 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1459 #ifdef HPCFB_JUMP
1460 if (row < dc->dc_min_row)
1461 dc->dc_min_row = row;
1462 if (row + nrow > dc->dc_max_row)
1463 dc->dc_max_row = row + nrow;
1464 #endif /* HPCFB_JUMP */
1465
1466 for (i = 0; i < nrow; i++) {
1467 cols = vscn[row+i].maxcol;
1468 if (vscn[row+i].spacecol < cols)
1469 vscn[row+i].spacecol = cols;
1470 vscn[row+i].maxcol = -1;
1471 }
1472 #ifdef HPCFB_JUMP
1473 hpcfb_check_update(dc);
1474 #endif /* HPCFB_JUMP */
1475 }
1476
1477 void
1478 hpcfb_eraserows(void *cookie, int row, int nrow, long attr)
1479 {
1480 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1481 struct hpcfb_softc *sc = dc->dc_sc;
1482 struct rasops_info *ri = &dc->dc_rinfo;
1483 int yoff;
1484 int width;
1485 int height;
1486
1487 hpcfb_tv_eraserows(dc, row, nrow, attr);
1488 #ifdef HPCFB_JUMP
1489 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1490 dc->dc_state |= HPCFB_DC_UPDATE;
1491 return;
1492 }
1493 #endif /* HPCFB_JUMP */
1494 if (!IS_DRAWABLE(dc)) {
1495 return;
1496 }
1497
1498 if (ri->ri_bits == NULL)
1499 return;
1500
1501 dc->dc_state |= HPCFB_DC_DRAWING;
1502 if (sc && sc->sc_accessops->erase
1503 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1504 yoff = row * ri->ri_font->fontheight;
1505 width = dc->dc_cols * ri->ri_font->fontwidth;
1506 height = nrow * ri->ri_font->fontheight;
1507 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1508 0, yoff, height, width, attr);
1509 } else
1510 rasops_emul.eraserows(ri, row, nrow, attr);
1511 dc->dc_state &= ~HPCFB_DC_DRAWING;
1512 #ifdef HPCFB_JUMP
1513 hpcfb_check_update(dc);
1514 #endif /* HPCFB_JUMP */
1515 }
1516
1517 /*
1518 * allocattr
1519 */
1520 int
1521 hpcfb_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
1522 {
1523 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1524 struct rasops_info *ri = &dc->dc_rinfo;
1525
1526 return (rasops_emul.allocattr(ri, fg, bg, flags, attrp));
1527 }
1528