hpcfb.c revision 1.7.2.4 1 /* $NetBSD: hpcfb.c,v 1.7.2.4 2002/02/11 20:09:40 jdolecek 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 1.7.2.4 2002/02/11 20:09:40 jdolecek Exp $");
47
48 #define FBDEBUG
49 static const char _copyright[] __attribute__ ((unused)) =
50 "Copyright (c) 1999 Shin Takemura. All rights reserved.";
51
52 #include <sys/param.h>
53 #include <sys/systm.h>
54 #include <sys/kernel.h>
55 #include <sys/signalvar.h>
56 #include <sys/map.h>
57 #include <sys/proc.h>
58 #include <sys/kthread.h>
59 #include <sys/lock.h>
60 #include <sys/user.h>
61 #include <sys/device.h>
62 #include <sys/conf.h>
63 #include <sys/malloc.h>
64 #include <sys/buf.h>
65 #include <sys/ioctl.h>
66
67 #include <uvm/uvm_extern.h>
68
69 #include <machine/bus.h>
70
71 #include <dev/wscons/wsconsio.h>
72 #include <dev/wscons/wsdisplayvar.h>
73 #include <dev/wscons/wscons_callbacks.h>
74
75 #include <dev/wsfont/wsfont.h>
76 #include <dev/rasops/rasops.h>
77
78 #include <dev/hpc/hpcfbvar.h>
79 #include <dev/hpc/hpcfbio.h>
80
81 #include "bivideo.h"
82 #if NBIVIDEO > 0
83 #include <dev/hpc/bivideovar.h>
84 #endif
85
86 #ifdef FBDEBUG
87 int hpcfb_debug = 0;
88 #define DPRINTF(arg) if (hpcfb_debug) printf arg;
89 #else
90 #define DPRINTF(arg)
91 #endif
92
93 #ifndef HPCFB_MAX_COLUMN
94 #define HPCFB_MAX_COLUMN 130
95 #endif /* HPCFB_MAX_COLUMN */
96 #ifndef HPCFB_MAX_ROW
97 #define HPCFB_MAX_ROW 80
98 #endif /* HPCFB_MAX_ROW */
99
100 /*
101 * currently experimental
102 #define HPCFB_JUMP
103 */
104
105 struct hpcfb_vchar {
106 u_int c;
107 long attr;
108 };
109
110 struct hpcfb_tvrow {
111 int maxcol;
112 int spacecol;
113 struct hpcfb_vchar col[HPCFB_MAX_COLUMN];
114 };
115
116 struct hpcfb_devconfig {
117 struct rasops_info dc_rinfo; /* rasops information */
118
119 int dc_blanked; /* currently had video disabled */
120 struct hpcfb_softc *dc_sc;
121 int dc_rows;
122 int dc_cols;
123 struct hpcfb_tvrow *dc_tvram;
124 int dc_curx;
125 int dc_cury;
126 #ifdef HPCFB_JUMP
127 int dc_min_row;
128 int dc_max_row;
129 int dc_scroll;
130 struct callout dc_scroll_ch;
131 int dc_scroll_src;
132 int dc_scroll_dst;
133 int dc_scroll_num;
134 #endif /* HPCFB_JUMP */
135 volatile int dc_state;
136 #define HPCFB_DC_CURRENT 0x80000000
137 #define HPCFB_DC_DRAWING 0x01 /* drawing raster ops */
138 #define HPCFB_DC_TDRAWING 0x02 /* drawing tvram */
139 #define HPCFB_DC_SCROLLPENDING 0x04 /* scroll is pending */
140 #define HPCFB_DC_UPDATE 0x08 /* tvram update */
141 #define HPCFB_DC_SCRDELAY 0x10 /* scroll time but delay it */
142 #define HPCFB_DC_SCRTHREAD 0x20 /* in scroll thread or callout */
143 #define HPCFB_DC_UPDATEALL 0x40 /* need to redraw all */
144 #define HPCFB_DC_ABORT 0x80 /* abort redrawing */
145 #define HPCFB_DC_SWITCHREQ 0x100 /* switch request exist */
146 int dc_memsize;
147 u_char *dc_fbaddr;
148 };
149
150 #define IS_DRAWABLE(dc) \
151 (((dc)->dc_state&HPCFB_DC_CURRENT)&& \
152 (((dc)->dc_state&(HPCFB_DC_DRAWING|HPCFB_DC_SWITCHREQ)) == 0))
153
154 #define HPCFB_MAX_SCREEN 5
155 #define HPCFB_MAX_JUMP 5
156
157 struct hpcfb_softc {
158 struct device sc_dev;
159 struct hpcfb_devconfig *sc_dc; /* device configuration */
160 const struct hpcfb_accessops *sc_accessops;
161 void *sc_accessctx;
162 void *sc_powerhook; /* power management hook */
163 struct device *sc_wsdisplay;
164 int sc_screen_resumed;
165 int sc_polling;
166 int sc_mapping;
167 struct proc *sc_thread;
168 struct lock sc_lock;
169 void *sc_wantedscreen;
170 void (*sc_switchcb)(void *, int, int);
171 void *sc_switchcbarg;
172 struct callout sc_switch_callout;
173 int sc_nfbconf;
174 struct hpcfb_fbconf *sc_fbconflist;
175 };
176
177 /*
178 * function prototypes
179 */
180 int hpcfbmatch(struct device *, struct cfdata *, void *);
181 void hpcfbattach(struct device *, struct device *, void *);
182 int hpcfbprint(void *, const char *);
183
184 int hpcfb_ioctl(void *, u_long, caddr_t, int, struct proc *);
185 paddr_t hpcfb_mmap(void *, off_t, int);
186
187 void hpcfb_refresh_screen(struct hpcfb_softc *);
188 void hpcfb_doswitch(struct hpcfb_softc *);
189
190 #ifdef HPCFB_JUMP
191 static void hpcfb_create_thread(void *);
192 static void hpcfb_thread(void *);
193 #endif /* HPCFB_JUMP */
194
195 static int hpcfb_init(struct hpcfb_fbconf *, struct hpcfb_devconfig *);
196 static int hpcfb_alloc_screen(void *, const struct wsscreen_descr *,
197 void **, int *, int *, long *);
198 static void hpcfb_free_screen(void *, void *);
199 static int hpcfb_show_screen(void *, void *, int,
200 void (*) (void *, int, int), void *);
201 static void hpcfb_pollc(void *, int);
202 static void hpcfb_power(int, void *);
203 static void hpcfb_cmap_reorder(struct hpcfb_fbconf *,
204 struct hpcfb_devconfig *);
205
206 static int pow(int, int);
207
208 void hpcfb_cursor(void *, int, int, int);
209 int hpcfb_mapchar(void *, int, unsigned int *);
210 void hpcfb_putchar(void *, int, int, u_int, long);
211 void hpcfb_copycols(void *, int, int, int, int);
212 void hpcfb_erasecols(void *, int, int, int, long);
213 void hpcfb_redraw(void *, int, int, int);
214 void hpcfb_copyrows(void *, int, int, int);
215 void hpcfb_eraserows(void *, int, int, long);
216 int hpcfb_alloc_attr(void *, int, int, int, long *);
217 void hpcfb_cursor_raw(void *, int, int, int);
218
219 #ifdef HPCFB_JUMP
220 void hpcfb_update(void *);
221 void hpcfb_do_scroll(void *);
222 void hpcfb_check_update(void *);
223 #endif /* HPCFB_JUMP */
224
225 struct wsdisplay_emulops hpcfb_emulops = {
226 hpcfb_cursor,
227 hpcfb_mapchar,
228 hpcfb_putchar,
229 hpcfb_copycols,
230 hpcfb_erasecols,
231 hpcfb_copyrows,
232 hpcfb_eraserows,
233 hpcfb_alloc_attr
234 };
235
236 /*
237 * static variables
238 */
239 struct cfattach hpcfb_ca = {
240 sizeof(struct hpcfb_softc), hpcfbmatch, hpcfbattach,
241 };
242
243 struct wsscreen_descr hpcfb_stdscreen = {
244 "std",
245 0, 0, /* will be filled in -- XXX shouldn't, it's global */
246 &hpcfb_emulops, /* XXX */
247 0, 0,
248 WSSCREEN_REVERSE
249 };
250
251 const struct wsscreen_descr *_hpcfb_scrlist[] = {
252 &hpcfb_stdscreen,
253 /* XXX other formats, graphics screen? */
254 };
255
256 struct wsscreen_list hpcfb_screenlist = {
257 sizeof(_hpcfb_scrlist) / sizeof(struct wsscreen_descr *),
258 _hpcfb_scrlist
259 };
260
261 struct wsdisplay_accessops hpcfb_accessops = {
262 hpcfb_ioctl,
263 hpcfb_mmap,
264 hpcfb_alloc_screen,
265 hpcfb_free_screen,
266 hpcfb_show_screen,
267 0 /* load_font */,
268 hpcfb_pollc
269 };
270
271 void hpcfb_tv_putchar(struct hpcfb_devconfig *, int, int, u_int, long);
272 void hpcfb_tv_copycols(struct hpcfb_devconfig *, int, int, int, int);
273 void hpcfb_tv_erasecols(struct hpcfb_devconfig *, int, int, int, long);
274 void hpcfb_tv_copyrows(struct hpcfb_devconfig *, int, int, int);
275 void hpcfb_tv_eraserows(struct hpcfb_devconfig *, int, int, long);
276
277 struct wsdisplay_emulops rasops_emul;
278
279 static int hpcfbconsole;
280 struct hpcfb_devconfig hpcfb_console_dc;
281 struct wsscreen_descr hpcfb_console_wsscreen;
282 struct hpcfb_tvrow hpcfb_console_tvram[HPCFB_MAX_ROW];
283
284 /*
285 * function bodies
286 */
287 static int
288 pow(int x, int n)
289 {
290 int res = 1;
291 while (0 < n--) {
292 res *= x;
293 }
294 return (res);
295 }
296
297 int
298 hpcfbmatch(struct device *parent, struct cfdata *match, void *aux)
299 {
300 return (1);
301 }
302
303 void
304 hpcfbattach(struct device *parent, struct device *self, void *aux)
305 {
306 struct hpcfb_softc *sc = (struct hpcfb_softc *)self;
307 struct hpcfb_attach_args *ha = aux;
308 struct wsemuldisplaydev_attach_args wa;
309
310 sc->sc_accessops = ha->ha_accessops;
311 sc->sc_accessctx = ha->ha_accessctx;
312 sc->sc_nfbconf = ha->ha_nfbconf;
313 sc->sc_fbconflist = ha->ha_fbconflist;
314
315 if (hpcfbconsole) {
316 sc->sc_dc = &hpcfb_console_dc;
317 hpcfb_console_dc.dc_sc = sc;
318 printf(": %dx%d pixels, %d colors, %dx%d chars",
319 sc->sc_dc->dc_rinfo.ri_width,sc->sc_dc->dc_rinfo.ri_height,
320 pow(2, sc->sc_dc->dc_rinfo.ri_depth),
321 sc->sc_dc->dc_rinfo.ri_cols,sc->sc_dc->dc_rinfo.ri_rows);
322 /* Set video chip dependent CLUT if any. */
323 if (sc->sc_accessops->setclut)
324 sc->sc_accessops->setclut(sc->sc_accessctx,
325 &hpcfb_console_dc.dc_rinfo);
326 }
327 printf("\n");
328
329 sc->sc_polling = 0; /* XXX */
330 sc->sc_mapping = 0; /* XXX */
331 callout_init(&sc->sc_switch_callout);
332
333 /* Add a power hook to power management */
334 sc->sc_powerhook = powerhook_establish(hpcfb_power, sc);
335 if (sc->sc_powerhook == NULL)
336 printf("%s: WARNING: unable to establish power hook\n",
337 sc->sc_dev.dv_xname);
338
339 wa.console = hpcfbconsole;
340 wa.scrdata = &hpcfb_screenlist;
341 wa.accessops = &hpcfb_accessops;
342 wa.accesscookie = sc;
343
344 sc->sc_wsdisplay = config_found(self, &wa, wsemuldisplaydevprint);
345
346 #ifdef HPCFB_JUMP
347 /*
348 * Create a kernel thread to scroll,
349 */
350 kthread_create(hpcfb_create_thread, sc);
351 #endif /* HPCFB_JUMP */
352 }
353
354 #ifdef HPCFB_JUMP
355 void
356 hpcfb_create_thread(void *arg)
357 {
358 struct hpcfb_softc *sc = arg;
359
360 if (kthread_create1(hpcfb_thread, sc, &sc->sc_thread,
361 "%s", sc->sc_dev.dv_xname) == 0)
362 return;
363
364 /*
365 * We were unable to create the HPCFB thread; bail out.
366 */
367 sc->sc_thread = 0;
368 printf("%s: unable to create thread, kernel hpcfb scroll support disabled\n",
369 sc->sc_dev.dv_xname);
370 }
371
372 void
373 hpcfb_thread(void *arg)
374 {
375 struct hpcfb_softc *sc = arg;
376
377 /*
378 * Loop forever, doing a periodic check for update events.
379 */
380 for (;;) {
381 /* HPCFB_LOCK(sc); */
382 sc->sc_dc->dc_state |= HPCFB_DC_SCRTHREAD;
383 if (!sc->sc_mapping) /* draw only EMUL mode */
384 hpcfb_update(sc->sc_dc);
385 sc->sc_dc->dc_state &= ~HPCFB_DC_SCRTHREAD;
386 /* APM_UNLOCK(sc); */
387 (void) tsleep(sc, PWAIT, "hpcfb", (8 * hz) / 7 / 10);
388 }
389 }
390 #endif /* HPCFB_JUMP */
391
392 /* Print function (for parent devices). */
393 int
394 hpcfbprint(void *aux, const char *pnp)
395 {
396 if (pnp)
397 printf("hpcfb at %s", pnp);
398
399 return (UNCONF);
400 }
401
402 int
403 hpcfb_cnattach(struct hpcfb_fbconf *fbconf)
404 {
405 struct hpcfb_fbconf __fbconf __attribute__((__unused__));
406 long defattr;
407
408 DPRINTF(("%s(%d): hpcfb_cnattach()\n", __FILE__, __LINE__));
409 #if NBIVIDEO > 0
410 if (fbconf == 0) {
411 memset(&__fbconf, 0, sizeof(struct hpcfb_fbconf));
412 if (bivideo_getcnfb(&__fbconf) != 0)
413 return (ENXIO);
414 fbconf = &__fbconf;
415 }
416 #endif /* NBIVIDEO > 0 */
417 memset(&hpcfb_console_dc, 0, sizeof(struct hpcfb_devconfig));
418 if (hpcfb_init(fbconf, &hpcfb_console_dc) != 0)
419 return (ENXIO);
420 hpcfb_console_dc.dc_state |= HPCFB_DC_CURRENT;
421
422 hpcfb_console_dc.dc_tvram = hpcfb_console_tvram;
423 /* clear screen */
424 memset(hpcfb_console_tvram, 0, sizeof(hpcfb_console_tvram));
425 hpcfb_redraw(&hpcfb_console_dc, 0, hpcfb_console_dc.dc_rows, 1);
426
427 hpcfb_console_wsscreen = hpcfb_stdscreen;
428 hpcfb_console_wsscreen.nrows = hpcfb_console_dc.dc_rows;
429 hpcfb_console_wsscreen.ncols = hpcfb_console_dc.dc_cols;
430 hpcfb_console_wsscreen.capabilities = hpcfb_console_dc.dc_rinfo.ri_caps;
431 hpcfb_alloc_attr(&hpcfb_console_dc, 7, 0, 0, &defattr);
432 wsdisplay_cnattach(&hpcfb_console_wsscreen, &hpcfb_console_dc,
433 0, 0, defattr);
434 hpcfbconsole = 1;
435
436 return (0);
437 }
438
439 int
440 hpcfb_init(struct hpcfb_fbconf *fbconf, struct hpcfb_devconfig *dc)
441 {
442 struct rasops_info *ri;
443 vaddr_t fbaddr;
444
445 fbaddr = (vaddr_t)fbconf->hf_baseaddr;
446 dc->dc_fbaddr = (u_char *)fbaddr;
447
448 /* init rasops */
449 ri = &dc->dc_rinfo;
450 memset(ri, 0, sizeof(struct rasops_info));
451 ri->ri_depth = fbconf->hf_pixel_width;
452 ri->ri_bits = (caddr_t)fbaddr;
453 ri->ri_width = fbconf->hf_width;
454 ri->ri_height = fbconf->hf_height;
455 ri->ri_stride = fbconf->hf_bytes_per_line;
456 #if 0
457 ri->ri_flg = RI_FORCEMONO | RI_CURSOR;
458 #else
459 ri->ri_flg = RI_CURSOR;
460 #endif
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 if (rasops_init(ri, HPCFB_MAX_ROW, HPCFB_MAX_COLUMN)) {
472 panic("%s(%d): rasops_init() failed!", __FILE__, __LINE__);
473 }
474
475 /* over write color map of rasops */
476 hpcfb_cmap_reorder (fbconf, dc);
477
478 dc->dc_curx = -1;
479 dc->dc_cury = -1;
480 dc->dc_rows = dc->dc_rinfo.ri_rows;
481 dc->dc_cols = dc->dc_rinfo.ri_cols;
482 #ifdef HPCFB_JUMP
483 dc->dc_max_row = 0;
484 dc->dc_min_row = dc->dc_rows;
485 dc->dc_scroll = 0;
486 callout_init(&dc->dc_scroll_ch);
487 #endif /* HPCFB_JUMP */
488 dc->dc_memsize = ri->ri_stride * ri->ri_height;
489 /* hook rasops in hpcfb_ops */
490 rasops_emul = ri->ri_ops; /* struct copy */
491 ri->ri_ops = hpcfb_emulops; /* struct copy */
492
493 return (0);
494 }
495
496 static void
497 hpcfb_cmap_reorder(struct hpcfb_fbconf *fbconf, struct hpcfb_devconfig *dc)
498 {
499 struct rasops_info *ri = &dc->dc_rinfo;
500 int reverse = fbconf->hf_access_flags & HPCFB_ACCESS_REVERSE;
501 int *cmap = ri->ri_devcmap;
502 int i, j, bg, fg, tmp;
503
504 /*
505 * Set forground and background so that the screen
506 * looks black on white.
507 * Normally, black = 00 and white = ff.
508 * HPCFB_ACCESS_REVERSE means black = ff and white = 00.
509 */
510 switch (fbconf->hf_pixel_width) {
511 case 1:
512 /* FALLTHROUGH */
513 case 2:
514 /* FALLTHROUGH */
515 case 4:
516 if (reverse) {
517 bg = 0;
518 fg = ~0;
519 } else {
520 bg = ~0;
521 fg = 0;
522 }
523 /* for gray-scale LCD, hi-contrast color map */
524 cmap[0] = bg;
525 for (i = 1; i < 16; i++)
526 cmap[i] = fg;
527 break;
528 case 8:
529 /* FALLTHROUGH */
530 case 16:
531 if (reverse) {
532 for (i = 0, j = 15; i < 8; i++, j--) {
533 tmp = cmap[i];
534 cmap[i] = cmap[j];
535 cmap[j] = tmp;
536 }
537 }
538 break;
539 }
540 }
541
542 int
543 hpcfb_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
544 {
545 struct hpcfb_softc *sc = v;
546 struct hpcfb_devconfig *dc = sc->sc_dc;
547 struct wsdisplay_fbinfo *wdf;
548
549 DPRINTF(("hpcfb_ioctl(cmd=0x%lx)\n", cmd));
550 switch (cmd) {
551 case WSKBDIO_BELL:
552 return (0);
553 break;
554
555 case WSDISPLAYIO_GTYPE:
556 *(u_int *)data = WSDISPLAY_TYPE_HPCFB;
557 return (0);
558
559 case WSDISPLAYIO_GINFO:
560 wdf = (void *)data;
561 wdf->height = dc->dc_rinfo.ri_height;
562 wdf->width = dc->dc_rinfo.ri_width;
563 wdf->depth = dc->dc_rinfo.ri_depth;
564 wdf->cmsize = 256; /* XXXX */
565 return (0);
566
567 case WSDISPLAYIO_SMODE:
568 if (*(int *)data == WSDISPLAYIO_MODE_EMUL){
569 if (sc->sc_mapping){
570 sc->sc_mapping = 0;
571 if (dc->dc_state&HPCFB_DC_DRAWING)
572 dc->dc_state &= ~HPCFB_DC_ABORT;
573 #ifdef HPCFB_FORCE_REDRAW
574 hpcfb_refresh_screen(sc);
575 #else
576 dc->dc_state |= HPCFB_DC_UPDATEALL;
577 #endif
578 }
579 } else {
580 if (!sc->sc_mapping) {
581 sc->sc_mapping = 1;
582 dc->dc_state |= HPCFB_DC_ABORT;
583 }
584 sc->sc_mapping = 1;
585 }
586 if (sc && sc->sc_accessops->iodone)
587 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
588 return (0);
589
590 case WSDISPLAYIO_GETCMAP:
591 case WSDISPLAYIO_PUTCMAP:
592 case WSDISPLAYIO_GETPARAM:
593 case WSDISPLAYIO_SETPARAM:
594 case HPCFBIO_GCONF:
595 case HPCFBIO_SCONF:
596 case HPCFBIO_GDSPCONF:
597 case HPCFBIO_SDSPCONF:
598 case HPCFBIO_GOP:
599 case HPCFBIO_SOP:
600 return ((*sc->sc_accessops->ioctl)(sc->sc_accessctx,
601 cmd, data, flag, p));
602
603 default:
604 if (IOCGROUP(cmd) != 't')
605 DPRINTF(("%s(%d): hpcfb_ioctl(%lx, %lx) grp=%c num=%ld\n",
606 __FILE__, __LINE__,
607 cmd, (u_long)data, (char)IOCGROUP(cmd), cmd&0xff));
608 break;
609 }
610
611 return (ENOTTY); /* Inappropriate ioctl for device */
612 }
613
614 paddr_t
615 hpcfb_mmap(void *v, off_t offset, int prot)
616 {
617 struct hpcfb_softc *sc = v;
618
619 return ((*sc->sc_accessops->mmap)(sc->sc_accessctx, offset, prot));
620 }
621
622 static void
623 hpcfb_power(int why, void *arg)
624 {
625 struct hpcfb_softc *sc = arg;
626
627 if (sc->sc_dc == NULL)
628 return; /* You have no screen yet. */
629
630 switch (why) {
631 case PWR_STANDBY:
632 break;
633 case PWR_SOFTSUSPEND:
634 /* XXX, casting to 'struct wsdisplay_softc *' means
635 that you should not call the method here... */
636 sc->sc_screen_resumed = wsdisplay_getactivescreen(
637 (struct wsdisplay_softc *)sc->sc_wsdisplay);
638 if (wsdisplay_switch(sc->sc_wsdisplay,
639 WSDISPLAY_NULLSCREEN,
640 1 /* waitok */) == 0) {
641 wsscreen_switchwait(
642 (struct wsdisplay_softc *)sc->sc_wsdisplay,
643 WSDISPLAY_NULLSCREEN);
644 } else {
645 sc->sc_screen_resumed = WSDISPLAY_NULLSCREEN;
646 }
647
648 sc->sc_dc->dc_state &= ~HPCFB_DC_CURRENT;
649 break;
650 case PWR_SOFTRESUME:
651 sc->sc_dc->dc_state |= HPCFB_DC_CURRENT;
652 if (sc->sc_screen_resumed != WSDISPLAY_NULLSCREEN)
653 wsdisplay_switch(sc->sc_wsdisplay,
654 sc->sc_screen_resumed,
655 1 /* waitok */);
656 break;
657 }
658 }
659
660 void
661 hpcfb_refresh_screen(struct hpcfb_softc *sc)
662 {
663 struct hpcfb_devconfig *dc = sc->sc_dc;
664 int x, y;
665
666 DPRINTF(("hpcfb_refres_screen()\n"));
667 if (dc == NULL)
668 return;
669
670 #ifdef HPCFB_JUMP
671 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
672 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
673 dc->dc_state &= ~HPCFB_DC_UPDATE;
674 callout_stop(&dc->dc_scroll_ch);
675 }
676 #endif /* HPCFB_JUMP */
677 /*
678 * refresh screen
679 */
680 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
681 x = dc->dc_curx;
682 y = dc->dc_cury;
683 if (0 <= x && 0 <= y)
684 hpcfb_cursor_raw(dc, 0, y, x); /* disable cursor */
685 /* redraw all text */
686 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
687 if (0 <= x && 0 <= y)
688 hpcfb_cursor_raw(dc, 1, y, x); /* enable cursor */
689 }
690
691 static int
692 hpcfb_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
693 int *curxp, int *curyp, long *attrp)
694 {
695 struct hpcfb_softc *sc = v;
696 struct hpcfb_devconfig *dc;
697
698 DPRINTF(("%s(%d): hpcfb_alloc_screen()\n", __FILE__, __LINE__));
699
700 dc = malloc(sizeof(struct hpcfb_devconfig), M_DEVBUF, M_WAITOK|M_ZERO);
701 if (dc == NULL)
702 return (ENOMEM);
703
704 dc->dc_sc = sc;
705 if (hpcfb_init(&sc->sc_fbconflist[0], dc) != 0)
706 return (EINVAL);
707 if (sc->sc_accessops->font) {
708 sc->sc_accessops->font(sc->sc_accessctx,
709 dc->dc_rinfo.ri_font);
710 }
711 /* Set video chip dependent CLUT if any. */
712 if (sc->sc_accessops->setclut)
713 sc->sc_accessops->setclut(sc->sc_accessctx, &dc->dc_rinfo);
714 printf("hpcfb: %dx%d pixels, %d colors, %dx%d chars\n",
715 dc->dc_rinfo.ri_width, dc->dc_rinfo.ri_height,
716 pow(2, dc->dc_rinfo.ri_depth),
717 dc->dc_rinfo.ri_cols, dc->dc_rinfo.ri_rows);
718
719 /*
720 * XXX, wsdisplay won't reffer the information in wsscreen_descr
721 * structure until alloc_screen will be called, at least, under
722 * current implementation...
723 */
724 hpcfb_stdscreen.nrows = dc->dc_rows;
725 hpcfb_stdscreen.ncols = dc->dc_cols;
726 hpcfb_stdscreen.capabilities = dc->dc_rinfo.ri_caps;
727
728 dc->dc_fbaddr = dc->dc_rinfo.ri_bits;
729 dc->dc_rows = dc->dc_rinfo.ri_rows;
730 dc->dc_cols = dc->dc_rinfo.ri_cols;
731 dc->dc_memsize = dc->dc_rinfo.ri_stride * dc->dc_rinfo.ri_height;
732
733 dc->dc_curx = -1;
734 dc->dc_cury = -1;
735 dc->dc_tvram = malloc(sizeof(struct hpcfb_tvrow)*dc->dc_rows,
736 M_DEVBUF, M_WAITOK|M_ZERO);
737 if (dc->dc_tvram == NULL){
738 free(dc, M_DEVBUF);
739 return (ENOMEM);
740 }
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