hpcfb.c revision 1.63 1 /* $NetBSD: hpcfb.c,v 1.63 2021/08/07 16:19:11 thorpej 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 1.63 2021/08/07 16:19:11 thorpej Exp $");
47
48 #ifdef _KERNEL_OPT
49 #include "opt_hpcfb.h"
50 #endif
51
52 #include <sys/param.h>
53 #include <sys/systm.h>
54 #include <sys/kernel.h>
55 #include <sys/signalvar.h>
56 #include <sys/proc.h>
57 #include <sys/kthread.h>
58 #include <sys/device.h>
59 #include <sys/conf.h>
60 #include <sys/malloc.h>
61 #include <sys/buf.h>
62 #include <sys/ioctl.h>
63
64 #include <sys/bus.h>
65
66 #include <dev/wscons/wsconsio.h>
67 #include <dev/wscons/wsdisplayvar.h>
68 #include <dev/wscons/wscons_callbacks.h>
69
70 #include <dev/wsfont/wsfont.h>
71 #include <dev/rasops/rasops.h>
72
73 #include <dev/hpc/hpcfbvar.h>
74 #include <dev/hpc/hpcfbio.h>
75
76 #include "bivideo.h"
77 #if NBIVIDEO > 0
78 #include <dev/hpc/bivideovar.h>
79 #endif
80
81 #ifdef FBDEBUG
82 int hpcfb_debug = 0;
83 #define DPRINTF(arg) if (hpcfb_debug) printf arg
84 #else
85 #define DPRINTF(arg) do {} while (/* CONSTCOND */ 0)
86 #endif
87
88 #ifndef HPCFB_MAX_COLUMN
89 #define HPCFB_MAX_COLUMN 130
90 #endif /* HPCFB_MAX_COLUMN */
91 #ifndef HPCFB_MAX_ROW
92 #define HPCFB_MAX_ROW 80
93 #endif /* HPCFB_MAX_ROW */
94
95 /*
96 * currently experimental
97 #define HPCFB_JUMP
98 */
99
100 struct hpcfb_vchar {
101 u_int c;
102 long attr;
103 };
104
105 struct hpcfb_tvrow {
106 int maxcol;
107 int spacecol;
108 struct hpcfb_vchar col[HPCFB_MAX_COLUMN];
109 };
110
111 struct hpcfb_devconfig {
112 struct rasops_info dc_rinfo; /* rasops information */
113
114 int dc_blanked; /* currently had video disabled */
115 struct hpcfb_softc *dc_sc;
116 int dc_rows;
117 int dc_cols;
118 struct hpcfb_tvrow *dc_tvram;
119 int dc_curx;
120 int dc_cury;
121 #ifdef HPCFB_JUMP
122 int dc_min_row;
123 int dc_max_row;
124 int dc_scroll;
125 struct callout dc_scroll_ch;
126 int dc_scroll_src;
127 int dc_scroll_dst;
128 int dc_scroll_num;
129 #endif /* HPCFB_JUMP */
130 volatile int dc_state;
131 #define HPCFB_DC_CURRENT 0x80000000
132 #define HPCFB_DC_DRAWING 0x01 /* drawing raster ops */
133 #define HPCFB_DC_TDRAWING 0x02 /* drawing tvram */
134 #define HPCFB_DC_SCROLLPENDING 0x04 /* scroll is pending */
135 #define HPCFB_DC_UPDATE 0x08 /* tvram update */
136 #define HPCFB_DC_SCRDELAY 0x10 /* scroll time but delay it */
137 #define HPCFB_DC_SCRTHREAD 0x20 /* in scroll thread or callout */
138 #define HPCFB_DC_UPDATEALL 0x40 /* need to redraw all */
139 #define HPCFB_DC_ABORT 0x80 /* abort redrawing */
140 #define HPCFB_DC_SWITCHREQ 0x100 /* switch request exist */
141 int dc_memsize;
142 u_char *dc_fbaddr;
143 };
144
145 #define IS_DRAWABLE(dc) \
146 (((dc)->dc_state&HPCFB_DC_CURRENT)&& \
147 (((dc)->dc_state&(HPCFB_DC_DRAWING|HPCFB_DC_SWITCHREQ)) == 0))
148
149 #define HPCFB_MAX_SCREEN 5
150 #define HPCFB_MAX_JUMP 5
151
152 struct hpcfb_softc {
153 device_t sc_dev;
154 struct hpcfb_devconfig *sc_dc; /* device configuration */
155 const struct hpcfb_accessops *sc_accessops;
156 void *sc_accessctx;
157 device_t sc_wsdisplay;
158 int sc_screen_resumed;
159 int sc_polling;
160 int sc_mapping;
161 struct proc *sc_thread;
162 void *sc_wantedscreen;
163 void (*sc_switchcb)(void *, int, int);
164 void *sc_switchcbarg;
165 struct callout sc_switch_callout;
166 int sc_nfbconf;
167 struct hpcfb_fbconf *sc_fbconflist;
168 };
169
170 /*
171 * function prototypes
172 */
173 int hpcfbmatch(device_t, cfdata_t, void *);
174 void hpcfbattach(device_t, device_t, void *);
175 int hpcfbprint(void *, const char *);
176
177 int hpcfb_ioctl(void *, void *, u_long, void *, int, struct lwp *);
178 paddr_t hpcfb_mmap(void *, void *, off_t, int);
179
180 void hpcfb_refresh_screen(struct hpcfb_softc *);
181 void hpcfb_doswitch(struct hpcfb_softc *);
182
183 #ifdef HPCFB_JUMP
184 static void hpcfb_thread(void *);
185 #endif /* HPCFB_JUMP */
186
187 static int hpcfb_init(struct hpcfb_fbconf *, struct hpcfb_devconfig *);
188 static int hpcfb_alloc_screen(void *, const struct wsscreen_descr *,
189 void **, int *, int *, long *);
190 static void hpcfb_free_screen(void *, void *);
191 static int hpcfb_show_screen(void *, void *, int,
192 void (*) (void *, int, int), void *);
193 static void hpcfb_pollc(void *, int);
194 static void hpcfb_cmap_reorder(struct hpcfb_fbconf *,
195 struct hpcfb_devconfig *);
196
197 static void hpcfb_power(int, void *);
198 static bool hpcfb_suspend(device_t, const pmf_qual_t *);
199 static bool hpcfb_resume(device_t, const pmf_qual_t *);
200
201
202 void hpcfb_cursor(void *, int, int, int);
203 int hpcfb_mapchar(void *, int, unsigned int *);
204 void hpcfb_putchar(void *, int, int, u_int, long);
205 void hpcfb_copycols(void *, int, int, int, int);
206 void hpcfb_erasecols(void *, int, int, int, long);
207 void hpcfb_redraw(void *, int, int, int);
208 void hpcfb_copyrows(void *, int, int, int);
209 void hpcfb_eraserows(void *, int, int, long);
210 int hpcfb_allocattr(void *, int, int, int, long *);
211 void hpcfb_cursor_raw(void *, int, int, int);
212
213 #ifdef HPCFB_JUMP
214 void hpcfb_update(void *);
215 void hpcfb_do_scroll(void *);
216 void hpcfb_check_update(void *);
217 #endif /* HPCFB_JUMP */
218
219 struct wsdisplay_emulops hpcfb_emulops = {
220 .cursor = hpcfb_cursor,
221 .mapchar = hpcfb_mapchar,
222 .putchar = hpcfb_putchar,
223 .copycols = hpcfb_copycols,
224 .erasecols = hpcfb_erasecols,
225 .copyrows = hpcfb_copyrows,
226 .eraserows = hpcfb_eraserows,
227 .allocattr = hpcfb_allocattr,
228 .replaceattr = NULL,
229 };
230
231 /*
232 * static variables
233 */
234 CFATTACH_DECL_NEW(hpcfb, sizeof(struct hpcfb_softc),
235 hpcfbmatch, hpcfbattach, NULL, NULL);
236
237 struct wsscreen_descr hpcfb_stdscreen = {
238 .name = "std",
239 .textops = &hpcfb_emulops, /* XXX */
240 .capabilities = WSSCREEN_REVERSE,
241 /* XXX: ncols/nrows will be filled in -- shouldn't, they are global */
242 };
243
244 const struct wsscreen_descr *_hpcfb_scrlist[] = {
245 &hpcfb_stdscreen,
246 /* XXX other formats, graphics screen? */
247 };
248
249 struct wsscreen_list hpcfb_screenlist = {
250 .nscreens = __arraycount(_hpcfb_scrlist),
251 .screens = _hpcfb_scrlist,
252 };
253
254 struct wsdisplay_accessops hpcfb_accessops = {
255 .ioctl = hpcfb_ioctl,
256 .mmap = hpcfb_mmap,
257 .alloc_screen = hpcfb_alloc_screen,
258 .free_screen = hpcfb_free_screen,
259 .show_screen = hpcfb_show_screen,
260 .load_font = NULL,
261 .pollc = hpcfb_pollc,
262 .scroll = NULL,
263 };
264
265 void hpcfb_tv_putchar(struct hpcfb_devconfig *, int, int, u_int, long);
266 void hpcfb_tv_copycols(struct hpcfb_devconfig *, int, int, int, int);
267 void hpcfb_tv_erasecols(struct hpcfb_devconfig *, int, int, int, long);
268 void hpcfb_tv_copyrows(struct hpcfb_devconfig *, int, int, int);
269 void hpcfb_tv_eraserows(struct hpcfb_devconfig *, int, int, long);
270
271 struct wsdisplay_emulops rasops_emul;
272
273 static int hpcfbconsole;
274 struct hpcfb_devconfig hpcfb_console_dc;
275 struct wsscreen_descr hpcfb_console_wsscreen;
276 struct hpcfb_tvrow hpcfb_console_tvram[HPCFB_MAX_ROW];
277
278 /*
279 * function bodies
280 */
281
282 int
283 hpcfbmatch(device_t parent, cfdata_t match, void *aux)
284 {
285 return (1);
286 }
287
288 void
289 hpcfbattach(device_t parent, device_t self, void *aux)
290 {
291 struct hpcfb_softc *sc;
292 struct hpcfb_attach_args *ha = aux;
293 struct wsemuldisplaydev_attach_args wa;
294
295 sc = device_private(self);
296 sc->sc_dev = self;
297
298 sc->sc_accessops = ha->ha_accessops;
299 sc->sc_accessctx = ha->ha_accessctx;
300 sc->sc_nfbconf = ha->ha_nfbconf;
301 sc->sc_fbconflist = ha->ha_fbconflist;
302
303 if (hpcfbconsole) {
304 sc->sc_dc = &hpcfb_console_dc;
305 sc->sc_dc->dc_rinfo.ri_flg &= ~RI_NO_AUTO;
306 hpcfb_console_dc.dc_sc = sc;
307 printf(": %dx%d pixels, %d colors, %dx%d chars",
308 sc->sc_dc->dc_rinfo.ri_width,sc->sc_dc->dc_rinfo.ri_height,
309 (1 << sc->sc_dc->dc_rinfo.ri_depth),
310 sc->sc_dc->dc_rinfo.ri_cols,sc->sc_dc->dc_rinfo.ri_rows);
311 /* Set video chip dependent CLUT if any. */
312 if (sc->sc_accessops->setclut)
313 sc->sc_accessops->setclut(sc->sc_accessctx,
314 &hpcfb_console_dc.dc_rinfo);
315 }
316 printf("\n");
317
318 sc->sc_polling = 0; /* XXX */
319 sc->sc_mapping = 0; /* XXX */
320 callout_init(&sc->sc_switch_callout, 0);
321
322 wa.console = hpcfbconsole;
323 wa.scrdata = &hpcfb_screenlist;
324 wa.accessops = &hpcfb_accessops;
325 wa.accesscookie = sc;
326
327 sc->sc_wsdisplay = config_found(self, &wa, wsemuldisplaydevprint,
328 CFARGS_NONE);
329
330 #ifdef HPCFB_JUMP
331 /*
332 * Create a kernel thread to scroll,
333 */
334 if (kthread_create(PRI_NONE, 0, NULL, hpcfb_thread, sc,
335 &sc->sc_thread, "%s", device_xname(sc->sc_dev)) != 0) {
336 /*
337 * We were unable to create the HPCFB thread; bail out.
338 */
339 sc->sc_thread = 0;
340 aprint_error_dev(sc->sc_dev, "unable to create thread, kernel "
341 "hpcfb scroll support disabled\n");
342 }
343 #endif /* HPCFB_JUMP */
344
345 if (!pmf_device_register(self, hpcfb_suspend, hpcfb_resume))
346 aprint_error_dev(self, "unable to establish power handler\n");
347 }
348
349 #ifdef HPCFB_JUMP
350 void
351 hpcfb_thread(void *arg)
352 {
353 struct hpcfb_softc *sc = arg;
354
355 /*
356 * Loop forever, doing a periodic check for update events.
357 */
358 for (;;) {
359 /* HPCFB_LOCK(sc); */
360 sc->sc_dc->dc_state |= HPCFB_DC_SCRTHREAD;
361 if (!sc->sc_mapping) /* draw only EMUL mode */
362 hpcfb_update(sc->sc_dc);
363 sc->sc_dc->dc_state &= ~HPCFB_DC_SCRTHREAD;
364 /* APM_UNLOCK(sc); */
365 (void) tsleep(sc, PWAIT, "hpcfb", (8 * hz) / 7 / 10);
366 }
367 }
368 #endif /* HPCFB_JUMP */
369
370 /* Print function (for parent devices). */
371 int
372 hpcfbprint(void *aux, const char *pnp)
373 {
374 if (pnp)
375 aprint_normal("hpcfb at %s", pnp);
376
377 return (UNCONF);
378 }
379
380 int
381 hpcfb_cnattach(struct hpcfb_fbconf *fbconf)
382 {
383 #if NBIVIDEO > 0
384 struct hpcfb_fbconf __fbconf;
385 #endif
386 long defattr;
387
388 DPRINTF(("%s(%d): hpcfb_cnattach()\n", __FILE__, __LINE__));
389 #if NBIVIDEO > 0
390 if (fbconf == NULL) {
391 memset(&__fbconf, 0, sizeof(struct hpcfb_fbconf));
392 if (bivideo_getcnfb(&__fbconf) != 0)
393 return (ENXIO);
394 fbconf = &__fbconf;
395 }
396 #endif /* NBIVIDEO > 0 */
397 memset(&hpcfb_console_dc, 0, sizeof(struct hpcfb_devconfig));
398 if (hpcfb_init(fbconf, &hpcfb_console_dc) != 0)
399 return (ENXIO);
400 hpcfb_console_dc.dc_state |= HPCFB_DC_CURRENT;
401
402 hpcfb_console_dc.dc_tvram = hpcfb_console_tvram;
403 /* clear screen */
404 memset(hpcfb_console_tvram, 0, sizeof(hpcfb_console_tvram));
405 hpcfb_redraw(&hpcfb_console_dc, 0, hpcfb_console_dc.dc_rows, 1);
406
407 hpcfb_console_wsscreen = hpcfb_stdscreen;
408 hpcfb_console_wsscreen.nrows = hpcfb_console_dc.dc_rows;
409 hpcfb_console_wsscreen.ncols = hpcfb_console_dc.dc_cols;
410 hpcfb_console_wsscreen.capabilities = hpcfb_console_dc.dc_rinfo.ri_caps;
411 hpcfb_allocattr(&hpcfb_console_dc,
412 WSCOL_WHITE, WSCOL_BLACK, 0, &defattr);
413 #if NBIVIDEO > 0
414 /*
415 * This is early console. Do not really attach wsdisplay.
416 */
417 if (fbconf == &__fbconf)
418 wsdisplay_preattach(&hpcfb_console_wsscreen, &hpcfb_console_dc,
419 0, 0, defattr);
420 else
421 #endif
422 wsdisplay_cnattach(&hpcfb_console_wsscreen, &hpcfb_console_dc,
423 0, 0, defattr);
424 hpcfbconsole = 1;
425
426 return (0);
427 }
428
429 int
430 hpcfb_init(struct hpcfb_fbconf *fbconf, struct hpcfb_devconfig *dc)
431 {
432 struct rasops_info *ri;
433 vaddr_t fbaddr;
434
435 fbaddr = (vaddr_t)fbconf->hf_baseaddr;
436 dc->dc_fbaddr = (u_char *)fbaddr;
437
438 /* init rasops */
439 ri = &dc->dc_rinfo;
440 memset(ri, 0, sizeof(struct rasops_info));
441 ri->ri_depth = fbconf->hf_pixel_width;
442 ri->ri_bits = (void *)fbaddr;
443 ri->ri_width = fbconf->hf_width;
444 ri->ri_height = fbconf->hf_height;
445 ri->ri_stride = fbconf->hf_bytes_per_line;
446 #if 0
447 ri->ri_flg = RI_FORCEMONO | RI_CURSOR;
448 #else
449 ri->ri_flg = RI_CURSOR;
450 #endif
451 if (dc == &hpcfb_console_dc)
452 ri->ri_flg |= RI_NO_AUTO;
453
454 switch (ri->ri_depth) {
455 case 8:
456 if (32 <= fbconf->hf_pack_width &&
457 (fbconf->hf_order_flags & HPCFB_REVORDER_BYTE) &&
458 (fbconf->hf_order_flags & HPCFB_REVORDER_WORD)) {
459 ri->ri_flg |= RI_BSWAP;
460 }
461 break;
462 default:
463 if (fbconf->hf_order_flags & HPCFB_REVORDER_BYTE) {
464 #if BYTE_ORDER == BIG_ENDIAN
465 ri->ri_flg |= RI_BSWAP;
466 #endif
467 } else {
468 #if BYTE_ORDER == LITTLE_ENDIAN
469 ri->ri_flg |= RI_BSWAP;
470 #endif
471 }
472 break;
473 }
474
475 if (fbconf->hf_class == HPCFB_CLASS_RGBCOLOR) {
476 ri->ri_rnum = fbconf->hf_u.hf_rgb.hf_red_width;
477 ri->ri_rpos = fbconf->hf_u.hf_rgb.hf_red_shift;
478 ri->ri_gnum = fbconf->hf_u.hf_rgb.hf_green_width;
479 ri->ri_gpos = fbconf->hf_u.hf_rgb.hf_green_shift;
480 ri->ri_bnum = fbconf->hf_u.hf_rgb.hf_blue_width;
481 ri->ri_bpos = fbconf->hf_u.hf_rgb.hf_blue_shift;
482 }
483
484 if (rasops_init(ri, HPCFB_MAX_ROW, HPCFB_MAX_COLUMN)) {
485 aprint_error_dev(dc->dc_sc->sc_dev, "rasops_init() failed!");
486 return -1;
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, 0);
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, void *vs, u_long cmd, void *data, int flag,
558 struct lwp *l)
559 {
560 struct hpcfb_softc *sc = v;
561 struct hpcfb_devconfig *dc = sc->sc_dc;
562 struct wsdisplay_fbinfo *wdf;
563
564 DPRINTF(("hpcfb_ioctl(cmd=0x%lx)\n", cmd));
565 switch (cmd) {
566 case WSKBDIO_BELL:
567 return (0);
568 break;
569
570 case WSDISPLAYIO_GTYPE:
571 *(u_int *)data = WSDISPLAY_TYPE_HPCFB;
572 return (0);
573
574 case WSDISPLAYIO_GINFO:
575 wdf = (void *)data;
576 wdf->height = dc->dc_rinfo.ri_height;
577 wdf->width = dc->dc_rinfo.ri_width;
578 wdf->depth = dc->dc_rinfo.ri_depth;
579 wdf->cmsize = 256; /* XXXX */
580 return (0);
581
582 case WSDISPLAYIO_LINEBYTES:
583 *(u_int *)data = dc->dc_rinfo.ri_stride;
584 return 0;
585
586 case WSDISPLAYIO_SMODE:
587 if (*(int *)data == WSDISPLAYIO_MODE_EMUL){
588 if (sc->sc_mapping){
589 sc->sc_mapping = 0;
590 if (dc->dc_state&HPCFB_DC_DRAWING)
591 dc->dc_state &= ~HPCFB_DC_ABORT;
592 #ifdef HPCFB_FORCE_REDRAW
593 hpcfb_refresh_screen(sc);
594 #else
595 dc->dc_state |= HPCFB_DC_UPDATEALL;
596 #endif
597 }
598 } else {
599 if (!sc->sc_mapping) {
600 sc->sc_mapping = 1;
601 dc->dc_state |= HPCFB_DC_ABORT;
602 }
603 sc->sc_mapping = 1;
604 }
605 if (sc && sc->sc_accessops->iodone)
606 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
607 return (0);
608
609 case WSDISPLAYIO_GETCMAP:
610 case WSDISPLAYIO_PUTCMAP:
611 case WSDISPLAYIO_SVIDEO:
612 case WSDISPLAYIO_GVIDEO:
613 case WSDISPLAYIO_GETPARAM:
614 case WSDISPLAYIO_SETPARAM:
615 case HPCFBIO_GCONF:
616 case HPCFBIO_SCONF:
617 case HPCFBIO_GDSPCONF:
618 case HPCFBIO_SDSPCONF:
619 case HPCFBIO_GOP:
620 case HPCFBIO_SOP:
621 return ((*sc->sc_accessops->ioctl)(sc->sc_accessctx,
622 cmd, data, flag, l));
623
624 default:
625 if (IOCGROUP(cmd) != 't')
626 DPRINTF(("%s(%d): hpcfb_ioctl(%lx, %lx) grp=%c num=%ld\n",
627 __FILE__, __LINE__,
628 cmd, (u_long)data, (char)IOCGROUP(cmd), cmd&0xff));
629 break;
630 }
631
632 return (EPASSTHROUGH); /* Inappropriate ioctl for device */
633 }
634
635 paddr_t
636 hpcfb_mmap(void *v, void *vs, off_t offset, int prot)
637 {
638 struct hpcfb_softc *sc = v;
639
640 return ((*sc->sc_accessops->mmap)(sc->sc_accessctx, offset, prot));
641 }
642
643 static void
644 hpcfb_power(int why, void *arg)
645 {
646 struct hpcfb_softc *sc = arg;
647
648 if (sc->sc_dc == NULL)
649 return; /* You have no screen yet. */
650
651 switch (why) {
652 case PWR_STANDBY:
653 break;
654 case PWR_SOFTSUSPEND: {
655 struct wsdisplay_softc *wsc = device_private(sc->sc_wsdisplay);
656
657 sc->sc_screen_resumed = wsdisplay_getactivescreen(wsc);
658
659 if (wsdisplay_switch(sc->sc_wsdisplay,
660 WSDISPLAY_NULLSCREEN, 1 /* waitok */) == 0) {
661 wsscreen_switchwait(wsc, WSDISPLAY_NULLSCREEN);
662 } else {
663 sc->sc_screen_resumed = WSDISPLAY_NULLSCREEN;
664 }
665
666 sc->sc_dc->dc_state &= ~HPCFB_DC_CURRENT;
667 break;
668 }
669 case PWR_SOFTRESUME:
670 sc->sc_dc->dc_state |= HPCFB_DC_CURRENT;
671 if (sc->sc_screen_resumed != WSDISPLAY_NULLSCREEN)
672 wsdisplay_switch(sc->sc_wsdisplay,
673 sc->sc_screen_resumed, 1 /* waitok */);
674 break;
675 }
676 }
677
678 static bool
679 hpcfb_suspend(device_t self, const pmf_qual_t *qual)
680 {
681 struct hpcfb_softc *sc = device_private(self);
682
683 hpcfb_power(PWR_SOFTSUSPEND, sc);
684 return true;
685 }
686
687 static bool
688 hpcfb_resume(device_t self, const pmf_qual_t *qual)
689 {
690 struct hpcfb_softc *sc = device_private(self);
691
692 hpcfb_power(PWR_SOFTRESUME, sc);
693 return true;
694 }
695
696 void
697 hpcfb_refresh_screen(struct hpcfb_softc *sc)
698 {
699 struct hpcfb_devconfig *dc = sc->sc_dc;
700 int x, y;
701
702 DPRINTF(("hpcfb_refres_screen()\n"));
703 if (dc == NULL)
704 return;
705
706 #ifdef HPCFB_JUMP
707 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
708 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
709 dc->dc_state &= ~HPCFB_DC_UPDATE;
710 callout_stop(&dc->dc_scroll_ch);
711 }
712 #endif /* HPCFB_JUMP */
713 /*
714 * refresh screen
715 */
716 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
717 x = dc->dc_curx;
718 y = dc->dc_cury;
719 if (0 <= x && 0 <= y)
720 hpcfb_cursor_raw(dc, 0, y, x); /* disable cursor */
721 /* redraw all text */
722 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
723 if (0 <= x && 0 <= y)
724 hpcfb_cursor_raw(dc, 1, y, x); /* enable cursor */
725 }
726
727 static int
728 hpcfb_alloc_screen(void *v, const struct wsscreen_descr *type,
729 void **cookiep, int *curxp, int *curyp, long *attrp)
730 {
731 struct hpcfb_softc *sc = v;
732 struct hpcfb_devconfig *dc;
733
734 DPRINTF(("%s(%d): hpcfb_alloc_screen()\n", __FILE__, __LINE__));
735
736 dc = malloc(sizeof(*dc), M_DEVBUF, M_WAITOK|M_ZERO);
737 if (dc == NULL)
738 return ENOMEM;
739
740 dc->dc_sc = sc;
741 if (hpcfb_init(&sc->sc_fbconflist[0], dc) != 0) {
742 free(dc, M_DEVBUF);
743 return EINVAL;
744 }
745 if (sc->sc_accessops->font) {
746 sc->sc_accessops->font(sc->sc_accessctx,
747 dc->dc_rinfo.ri_font);
748 }
749 /* Set video chip dependent CLUT if any. */
750 if (sc->sc_accessops->setclut)
751 sc->sc_accessops->setclut(sc->sc_accessctx, &dc->dc_rinfo);
752 printf("hpcfb: %dx%d pixels, %d colors, %dx%d chars\n",
753 dc->dc_rinfo.ri_width, dc->dc_rinfo.ri_height,
754 (1 << dc->dc_rinfo.ri_depth),
755 dc->dc_rinfo.ri_cols, dc->dc_rinfo.ri_rows);
756
757 /*
758 * XXX, wsdisplay won't reffer the information in wsscreen_descr
759 * structure until alloc_screen will be called, at least, under
760 * current implementation...
761 */
762 hpcfb_stdscreen.nrows = dc->dc_rows;
763 hpcfb_stdscreen.ncols = dc->dc_cols;
764 hpcfb_stdscreen.capabilities = dc->dc_rinfo.ri_caps;
765
766 dc->dc_fbaddr = dc->dc_rinfo.ri_bits;
767 dc->dc_rows = dc->dc_rinfo.ri_rows;
768 dc->dc_cols = dc->dc_rinfo.ri_cols;
769 dc->dc_memsize = dc->dc_rinfo.ri_stride * dc->dc_rinfo.ri_height;
770
771 dc->dc_curx = -1;
772 dc->dc_cury = -1;
773 dc->dc_tvram = malloc(sizeof(struct hpcfb_tvrow)*dc->dc_rows,
774 M_DEVBUF, M_WAITOK|M_ZERO);
775 if (dc->dc_tvram == NULL){
776 free(dc, M_DEVBUF);
777 return (ENOMEM);
778 }
779
780 *curxp = 0;
781 *curyp = 0;
782 *cookiep = dc;
783 hpcfb_allocattr(*cookiep, WSCOL_WHITE, WSCOL_BLACK, 0, attrp);
784 DPRINTF(("%s(%d): hpcfb_alloc_screen(): %p\n",
785 __FILE__, __LINE__, dc));
786
787 return (0);
788 }
789
790 static void
791 hpcfb_free_screen(void *v, void *cookie)
792 {
793 struct hpcfb_devconfig *dc = cookie;
794
795 DPRINTF(("%s(%d): hpcfb_free_screen(%p)\n",
796 __FILE__, __LINE__, cookie));
797 #ifdef DIAGNOSTIC
798 if (dc == &hpcfb_console_dc)
799 panic("hpcfb_free_screen: console");
800 #endif
801 free(dc->dc_tvram, M_DEVBUF);
802 free(dc, M_DEVBUF);
803 }
804
805 static int
806 hpcfb_show_screen(void *v, void *cookie, int waitok,
807 void (*cb)(void *, int, int), void *cbarg)
808 {
809 struct hpcfb_softc *sc = v;
810 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
811 struct hpcfb_devconfig *odc;
812
813 DPRINTF(("%s(%d): hpcfb_show_screen(%p)\n",
814 __FILE__, __LINE__, dc));
815
816 odc = sc->sc_dc;
817
818 if (dc == NULL || odc == dc) {
819 hpcfb_refresh_screen(sc);
820 return (0);
821 }
822
823 if (odc != NULL) {
824 odc->dc_state |= HPCFB_DC_SWITCHREQ;
825
826 if ((odc->dc_state&HPCFB_DC_DRAWING) != 0) {
827 odc->dc_state |= HPCFB_DC_ABORT;
828 }
829 }
830
831 sc->sc_wantedscreen = cookie;
832 sc->sc_switchcb = cb;
833 sc->sc_switchcbarg = cbarg;
834 if (cb) {
835 callout_reset(&sc->sc_switch_callout, 0,
836 (void(*)(void *))hpcfb_doswitch, sc);
837 return (EAGAIN);
838 }
839
840 hpcfb_doswitch(sc);
841 return (0);
842 }
843
844 void
845 hpcfb_doswitch(struct hpcfb_softc *sc)
846 {
847 struct hpcfb_devconfig *dc;
848 struct hpcfb_devconfig *odc;
849
850 DPRINTF(("hpcfb_doswitch()\n"));
851 odc = sc->sc_dc;
852 dc = sc->sc_wantedscreen;
853
854 if (!dc) {
855 (*sc->sc_switchcb)(sc->sc_switchcbarg, EIO, 0);
856 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
857 return;
858 }
859
860 if (odc == dc) {
861 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
862 return;
863 }
864
865 if (odc) {
866 #ifdef HPCFB_JUMP
867 odc->dc_state |= HPCFB_DC_ABORT;
868 #endif /* HPCFB_JUMP */
869
870 if (odc->dc_curx >= 0 && odc->dc_cury >= 0)
871 hpcfb_cursor_raw(odc, 0, odc->dc_cury, odc->dc_curx);
872 /* disable cursor */
873 /* disable old screen */
874 odc->dc_state &= ~HPCFB_DC_CURRENT;
875 /* XXX, This is too dangerous.
876 odc->dc_rinfo.ri_bits = NULL;
877 */
878 }
879 /* switch screen to new one */
880 dc->dc_state |= HPCFB_DC_CURRENT;
881 dc->dc_state &= ~HPCFB_DC_ABORT;
882 dc->dc_rinfo.ri_bits = dc->dc_fbaddr;
883 sc->sc_dc = dc;
884
885 /* redraw screen image */
886 hpcfb_refresh_screen(sc);
887
888 sc->sc_wantedscreen = NULL;
889 if (sc->sc_switchcb)
890 (*sc->sc_switchcb)(sc->sc_switchcbarg, 0, 0);
891
892 if (odc != NULL)
893 odc->dc_state &= ~HPCFB_DC_SWITCHREQ;
894 dc->dc_state &= ~HPCFB_DC_SWITCHREQ;
895 return;
896 }
897
898 static void
899 hpcfb_pollc(void *v, int on)
900 {
901 struct hpcfb_softc *sc = v;
902
903 if (sc == NULL)
904 return;
905 sc->sc_polling = on;
906 if (sc->sc_accessops->iodone)
907 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
908 if (on) {
909 hpcfb_refresh_screen(sc);
910 if (sc->sc_accessops->iodone)
911 (*sc->sc_accessops->iodone)(sc->sc_accessctx);
912 }
913
914 return;
915 }
916
917 /*
918 * cursor
919 */
920 void
921 hpcfb_cursor(void *cookie, int on, int row, int col)
922 {
923 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
924
925 if (on) {
926 dc->dc_curx = col;
927 dc->dc_cury = row;
928 } else {
929 dc->dc_curx = -1;
930 dc->dc_cury = -1;
931 }
932
933 hpcfb_cursor_raw(cookie, on, row, col);
934 }
935
936 void
937 hpcfb_cursor_raw(void *cookie, int on, int row, int col)
938 {
939 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
940 struct hpcfb_softc *sc = dc->dc_sc;
941 struct rasops_info *ri = &dc->dc_rinfo;
942 int curwidth, curheight;
943 int xoff, yoff;
944
945 #ifdef HPCFB_JUMP
946 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
947 dc->dc_state |= HPCFB_DC_UPDATE;
948 return;
949 }
950 #endif /* HPCFB_JUMP */
951 if (!IS_DRAWABLE(dc)) {
952 return;
953 }
954
955 if (ri->ri_bits == NULL)
956 return;
957
958 dc->dc_state |= HPCFB_DC_DRAWING;
959 if (sc && sc->sc_accessops->cursor) {
960 xoff = col * ri->ri_font->fontwidth;
961 yoff = row * ri->ri_font->fontheight;
962 curheight = ri->ri_font->fontheight;
963 curwidth = ri->ri_font->fontwidth;
964 (*sc->sc_accessops->cursor)(sc->sc_accessctx,
965 on, xoff, yoff, curwidth, curheight);
966 } else
967 rasops_emul.cursor(ri, on, row, col);
968 dc->dc_state &= ~HPCFB_DC_DRAWING;
969 }
970
971 /*
972 * mapchar
973 */
974 int
975 hpcfb_mapchar(void *cookie, int c, unsigned int *cp)
976 {
977 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
978 struct rasops_info *ri = &dc->dc_rinfo;
979
980 return (rasops_emul.mapchar(ri, c, cp));
981 }
982
983 /*
984 * putchar
985 */
986 void
987 hpcfb_tv_putchar(struct hpcfb_devconfig *dc, int row, int col, u_int uc,
988 long attr)
989 {
990 struct hpcfb_tvrow *vscn = dc->dc_tvram;
991 struct hpcfb_vchar *vc = &vscn[row].col[col];
992 struct hpcfb_vchar *vcb;
993
994 if (vscn == 0)
995 return;
996
997 dc->dc_state |= HPCFB_DC_TDRAWING;
998 #ifdef HPCFB_JUMP
999 if (row < dc->dc_min_row)
1000 dc->dc_min_row = row;
1001 if (row > dc->dc_max_row)
1002 dc->dc_max_row = row;
1003
1004 #endif /* HPCFB_JUMP */
1005 if (vscn[row].maxcol +1 == col)
1006 vscn[row].maxcol = col;
1007 else if (vscn[row].maxcol < col) {
1008 vcb = &vscn[row].col[vscn[row].maxcol+1];
1009 memset(vcb, 0,
1010 sizeof(struct hpcfb_vchar)*(col-vscn[row].maxcol-1));
1011 vscn[row].maxcol = col;
1012 }
1013 vc->c = uc;
1014 vc->attr = attr;
1015 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1016 #ifdef HPCFB_JUMP
1017 hpcfb_check_update(dc);
1018 #endif /* HPCFB_JUMP */
1019 }
1020
1021 void
1022 hpcfb_putchar(void *cookie, int row, int col, u_int uc, long attr)
1023 {
1024 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1025 struct hpcfb_softc *sc = dc->dc_sc;
1026 struct rasops_info *ri = &dc->dc_rinfo;
1027 int xoff;
1028 int yoff;
1029 int fclr, uclr;
1030 struct wsdisplay_font *font;
1031
1032 hpcfb_tv_putchar(dc, row, col, uc, attr);
1033 #ifdef HPCFB_JUMP
1034 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1035 dc->dc_state |= HPCFB_DC_UPDATE;
1036 return;
1037 }
1038 #endif /* HPCFB_JUMP */
1039
1040 if (!IS_DRAWABLE(dc)) {
1041 return;
1042 }
1043
1044 if (ri->ri_bits == NULL)
1045 return;
1046
1047 dc->dc_state |= HPCFB_DC_DRAWING;
1048 if (sc && sc->sc_accessops->putchar
1049 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1050 font = ri->ri_font;
1051 yoff = row * ri->ri_font->fontheight;
1052 xoff = col * ri->ri_font->fontwidth;
1053 fclr = ri->ri_devcmap[((u_int)attr >> 24) & 15];
1054 uclr = ri->ri_devcmap[((u_int)attr >> 16) & 15];
1055
1056 (*sc->sc_accessops->putchar)(sc->sc_accessctx,
1057 xoff, yoff, font, fclr, uclr, uc, attr);
1058 } else
1059 rasops_emul.putchar(ri, row, col, uc, attr);
1060 dc->dc_state &= ~HPCFB_DC_DRAWING;
1061 #ifdef HPCFB_JUMP
1062 hpcfb_check_update(dc);
1063 #endif /* HPCFB_JUMP */
1064 }
1065
1066 /*
1067 * copycols
1068 */
1069 void
1070 hpcfb_tv_copycols(struct hpcfb_devconfig *dc, int row, int srccol, int dstcol,
1071 int ncols)
1072 {
1073 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1074 struct hpcfb_vchar *svc = &vscn[row].col[srccol];
1075 struct hpcfb_vchar *dvc = &vscn[row].col[dstcol];
1076
1077 if (vscn == 0)
1078 return;
1079
1080 dc->dc_state |= HPCFB_DC_TDRAWING;
1081 #ifdef HPCFB_JUMP
1082 if (row < dc->dc_min_row)
1083 dc->dc_min_row = row;
1084 if (row > dc->dc_max_row)
1085 dc->dc_max_row = row;
1086 #endif /* HPCFB_JUMP */
1087
1088 memcpy(dvc, svc, ncols*sizeof(struct hpcfb_vchar));
1089 if (vscn[row].maxcol < srccol+ncols-1)
1090 vscn[row].maxcol = srccol+ncols-1;
1091 if (vscn[row].maxcol < dstcol+ncols-1)
1092 vscn[row].maxcol = dstcol+ncols-1;
1093 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1094 #ifdef HPCFB_JUMP
1095 hpcfb_check_update(dc);
1096 #endif /* HPCFB_JUMP */
1097 }
1098
1099 void
1100 hpcfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1101 {
1102 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1103 struct hpcfb_softc *sc = dc->dc_sc;
1104 struct rasops_info *ri = &dc->dc_rinfo;
1105 int srcxoff,dstxoff;
1106 int srcyoff,dstyoff;
1107 int height, width;
1108
1109 hpcfb_tv_copycols(dc, row, srccol, dstcol, ncols);
1110 #ifdef HPCFB_JUMP
1111 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1112 dc->dc_state |= HPCFB_DC_UPDATE;
1113 return;
1114 }
1115 #endif /* HPCFB_JUMP */
1116 if (!IS_DRAWABLE(dc)) {
1117 return;
1118 }
1119
1120 if (ri->ri_bits == NULL)
1121 return;
1122
1123 dc->dc_state |= HPCFB_DC_DRAWING;
1124 if (sc && sc->sc_accessops->bitblit
1125 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1126 srcxoff = srccol * ri->ri_font->fontwidth;
1127 srcyoff = row * ri->ri_font->fontheight;
1128 dstxoff = dstcol * ri->ri_font->fontwidth;
1129 dstyoff = row * ri->ri_font->fontheight;
1130 width = ncols * ri->ri_font->fontwidth;
1131 height = ri->ri_font->fontheight;
1132 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1133 srcxoff, srcyoff, dstxoff, dstyoff, height, width);
1134 } else
1135 rasops_emul.copycols(ri, row, srccol, dstcol, ncols);
1136 dc->dc_state &= ~HPCFB_DC_DRAWING;
1137 #ifdef HPCFB_JUMP
1138 hpcfb_check_update(dc);
1139 #endif /* HPCFB_JUMP */
1140 }
1141
1142
1143 /*
1144 * erasecols
1145 */
1146 void
1147 hpcfb_tv_erasecols(struct hpcfb_devconfig *dc,
1148 int row, int startcol, int ncols, long attr)
1149 {
1150 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1151
1152 if (vscn == 0)
1153 return;
1154
1155 dc->dc_state |= HPCFB_DC_TDRAWING;
1156 #ifdef HPCFB_JUMP
1157 if (row < dc->dc_min_row)
1158 dc->dc_min_row = row;
1159 if (row > dc->dc_max_row)
1160 dc->dc_max_row = row;
1161 #endif /* HPCFB_JUMP */
1162
1163 vscn[row].maxcol = startcol-1;
1164 if (vscn[row].spacecol < startcol+ncols-1)
1165 vscn[row].spacecol = startcol+ncols-1;
1166 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1167 #ifdef HPCFB_JUMP
1168 hpcfb_check_update(dc);
1169 #endif /* HPCFB_JUMP */
1170 }
1171
1172 void
1173 hpcfb_erasecols(void *cookie, int row, int startcol, int ncols, long attr)
1174 {
1175 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1176 struct hpcfb_softc *sc = dc->dc_sc;
1177 struct rasops_info *ri = &dc->dc_rinfo;
1178 int xoff, yoff;
1179 int width, height;
1180
1181 hpcfb_tv_erasecols(dc, row, startcol, ncols, attr);
1182 #ifdef HPCFB_JUMP
1183 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1184 dc->dc_state |= HPCFB_DC_UPDATE;
1185 return;
1186 }
1187 #endif /* HPCFB_JUMP */
1188 if (!IS_DRAWABLE(dc)) {
1189 return;
1190 }
1191
1192 if (ri->ri_bits == NULL)
1193 return;
1194
1195 dc->dc_state |= HPCFB_DC_DRAWING;
1196 if (sc && sc->sc_accessops->erase
1197 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1198 xoff = startcol * ri->ri_font->fontwidth;
1199 yoff = row * ri->ri_font->fontheight;
1200 width = ncols * ri->ri_font->fontwidth;
1201 height = ri->ri_font->fontheight;
1202 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1203 xoff, yoff, height, width, attr);
1204 } else
1205 rasops_emul.erasecols(ri, row, startcol, ncols, attr);
1206 dc->dc_state &= ~HPCFB_DC_DRAWING;
1207 #ifdef HPCFB_JUMP
1208 hpcfb_check_update(dc);
1209 #endif /* HPCFB_JUMP */
1210 }
1211
1212 /*
1213 * Copy rows.
1214 */
1215 void
1216 hpcfb_tv_copyrows(struct hpcfb_devconfig *dc, int src, int dst, int num)
1217 {
1218 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1219 struct hpcfb_tvrow *svc = &vscn[src];
1220 struct hpcfb_tvrow *dvc = &vscn[dst];
1221 int i;
1222 int d;
1223
1224 if (vscn == 0)
1225 return;
1226
1227 dc->dc_state |= HPCFB_DC_TDRAWING;
1228 #ifdef HPCFB_JUMP
1229 if (dst < dc->dc_min_row)
1230 dc->dc_min_row = dst;
1231 if (dst + num > dc->dc_max_row)
1232 dc->dc_max_row = dst + num -1;
1233 #endif /* HPCFB_JUMP */
1234
1235 if (svc > dvc)
1236 d = 1;
1237 else if (svc < dvc) {
1238 svc += num-1;
1239 dvc += num-1;
1240 d = -1;
1241 } else {
1242 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1243 #ifdef HPCFB_JUMP
1244 hpcfb_check_update(dc);
1245 #endif /* HPCFB_JUMP */
1246 return;
1247 }
1248
1249 for (i = 0; i < num; i++) {
1250 memcpy(&dvc->col[0], &svc->col[0], sizeof(struct hpcfb_vchar)*(svc->maxcol+1));
1251 if (svc->maxcol < dvc->maxcol && dvc->spacecol < dvc->maxcol)
1252 dvc->spacecol = dvc->maxcol;
1253 dvc->maxcol = svc->maxcol;
1254 svc+=d;
1255 dvc+=d;
1256 }
1257 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1258 #ifdef HPCFB_JUMP
1259 hpcfb_check_update(dc);
1260 #endif /* HPCFB_JUMP */
1261 }
1262
1263 void
1264 hpcfb_redraw(void *cookie, int row, int num, int all)
1265 {
1266 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1267 struct rasops_info *ri = &dc->dc_rinfo;
1268 int cols;
1269 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1270 struct hpcfb_vchar *svc;
1271 int i, j;
1272
1273 #ifdef HPCFB_JUMP
1274 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1275 dc->dc_state |= HPCFB_DC_UPDATE;
1276 return;
1277 }
1278 #endif /* HPCFB_JUMP */
1279 if (dc->dc_sc != NULL
1280 && !dc->dc_sc->sc_polling
1281 && dc->dc_sc->sc_mapping)
1282 return;
1283
1284 dc->dc_state &= ~HPCFB_DC_ABORT;
1285
1286 if (vscn == 0)
1287 return;
1288
1289 if (!IS_DRAWABLE(dc)) {
1290 return;
1291 }
1292
1293 if (ri->ri_bits == NULL)
1294 return;
1295
1296 dc->dc_state |= HPCFB_DC_DRAWING;
1297 dc->dc_state |= HPCFB_DC_TDRAWING;
1298 for (i = 0; i < num; i++) {
1299 if (dc->dc_state&HPCFB_DC_ABORT)
1300 break;
1301 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1302 break;
1303 cols = vscn[row+i].maxcol;
1304 for (j = 0; j <= cols; j++) {
1305 if (dc->dc_state&HPCFB_DC_ABORT)
1306 continue;
1307 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1308 continue;
1309 svc = &vscn[row+i].col[j];
1310 rasops_emul.putchar(ri, row + i, j, svc->c, svc->attr);
1311 }
1312 if (all)
1313 cols = dc->dc_cols-1;
1314 else
1315 cols = vscn[row+i].spacecol;
1316 for (; j <= cols; j++) {
1317 if (dc->dc_state&HPCFB_DC_ABORT)
1318 continue;
1319 if ((dc->dc_state&HPCFB_DC_CURRENT) == 0)
1320 continue;
1321 rasops_emul.putchar(ri, row + i, j, ' ', 0);
1322 }
1323 vscn[row+i].spacecol = 0;
1324 }
1325 if (dc->dc_state&HPCFB_DC_ABORT)
1326 dc->dc_state &= ~HPCFB_DC_ABORT;
1327 dc->dc_state &= ~HPCFB_DC_DRAWING;
1328 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1329 #ifdef HPCFB_JUMP
1330 hpcfb_check_update(dc);
1331 #endif /* HPCFB_JUMP */
1332 }
1333
1334 #ifdef HPCFB_JUMP
1335 void
1336 hpcfb_update(void *v)
1337 {
1338 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1339
1340 /* callout_stop(&dc->dc_scroll_ch); */
1341 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1342 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1343 hpcfb_cursor_raw(dc, 0, dc->dc_cury, dc->dc_curx);
1344 if ((dc->dc_state&HPCFB_DC_UPDATEALL)) {
1345 hpcfb_redraw(dc, 0, dc->dc_rows, 1);
1346 dc->dc_state &= ~(HPCFB_DC_UPDATE|HPCFB_DC_UPDATEALL);
1347 } else if ((dc->dc_state&HPCFB_DC_UPDATE)) {
1348 hpcfb_redraw(dc, dc->dc_min_row,
1349 dc->dc_max_row - dc->dc_min_row, 0);
1350 dc->dc_state &= ~HPCFB_DC_UPDATE;
1351 } else {
1352 hpcfb_redraw(dc, dc->dc_scroll_dst, dc->dc_scroll_num, 0);
1353 }
1354 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1355 hpcfb_cursor_raw(dc, 1, dc->dc_cury, dc->dc_curx);
1356 }
1357
1358 void
1359 hpcfb_do_scroll(void *v)
1360 {
1361 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1362
1363 dc->dc_state |= HPCFB_DC_SCRTHREAD;
1364 if (dc->dc_state&(HPCFB_DC_DRAWING|HPCFB_DC_TDRAWING))
1365 dc->dc_state |= HPCFB_DC_SCRDELAY;
1366 else if (dc->dc_sc != NULL && dc->dc_sc->sc_thread)
1367 wakeup(dc->dc_sc);
1368 else if (dc->dc_sc != NULL && !dc->dc_sc->sc_mapping) {
1369 /* draw only EMUL mode */
1370 hpcfb_update(v);
1371 }
1372 dc->dc_state &= ~HPCFB_DC_SCRTHREAD;
1373 }
1374
1375 void
1376 hpcfb_check_update(void *v)
1377 {
1378 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)v;
1379
1380 if (dc->dc_sc != NULL
1381 && dc->dc_sc->sc_polling
1382 && (dc->dc_state&HPCFB_DC_SCROLLPENDING)){
1383 callout_stop(&dc->dc_scroll_ch);
1384 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1385 hpcfb_update(v);
1386 }
1387 else if (dc->dc_state&HPCFB_DC_SCRDELAY){
1388 dc->dc_state &= ~HPCFB_DC_SCRDELAY;
1389 hpcfb_update(v);
1390 } else if (dc->dc_state&HPCFB_DC_UPDATEALL){
1391 dc->dc_state &= ~HPCFB_DC_UPDATEALL;
1392 hpcfb_update(v);
1393 }
1394 }
1395 #endif /* HPCFB_JUMP */
1396
1397 void
1398 hpcfb_copyrows(void *cookie, int src, int dst, int num)
1399 {
1400 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1401 struct rasops_info *ri = &dc->dc_rinfo;
1402 struct hpcfb_softc *sc = dc->dc_sc;
1403 int srcyoff, dstyoff;
1404 int width, height;
1405
1406 hpcfb_tv_copyrows(cookie, src, dst, num);
1407
1408 if (!IS_DRAWABLE(dc)) {
1409 return;
1410 }
1411
1412 if (ri->ri_bits == NULL)
1413 return;
1414
1415 if (sc && sc->sc_accessops->bitblit
1416 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1417 dc->dc_state |= HPCFB_DC_DRAWING;
1418 srcyoff = src * ri->ri_font->fontheight;
1419 dstyoff = dst * ri->ri_font->fontheight;
1420 width = dc->dc_cols * ri->ri_font->fontwidth;
1421 height = num * ri->ri_font->fontheight;
1422 (*sc->sc_accessops->bitblit)(sc->sc_accessctx,
1423 0, srcyoff, 0, dstyoff, height, width);
1424 dc->dc_state &= ~HPCFB_DC_DRAWING;
1425 }
1426 else {
1427 #ifdef HPCFB_JUMP
1428 if (sc && sc->sc_polling) {
1429 hpcfb_check_update(dc);
1430 } else if ((dc->dc_state&HPCFB_DC_SCROLLPENDING) == 0) {
1431 dc->dc_state |= HPCFB_DC_SCROLLPENDING;
1432 dc->dc_scroll = 1;
1433 dc->dc_scroll_src = src;
1434 dc->dc_scroll_dst = dst;
1435 dc->dc_scroll_num = num;
1436 callout_reset(&dc->dc_scroll_ch, hz/100, &hpcfb_do_scroll, dc);
1437 return;
1438 } else if (dc->dc_scroll++ < dc->dc_rows/HPCFB_MAX_JUMP) {
1439 dc->dc_state |= HPCFB_DC_UPDATE;
1440 return;
1441 } else {
1442 dc->dc_state &= ~HPCFB_DC_SCROLLPENDING;
1443 callout_stop(&dc->dc_scroll_ch);
1444 }
1445 if (dc->dc_state&HPCFB_DC_UPDATE) {
1446 dc->dc_state &= ~HPCFB_DC_UPDATE;
1447 hpcfb_redraw(cookie, dc->dc_min_row,
1448 dc->dc_max_row - dc->dc_min_row, 0);
1449 dc->dc_max_row = 0;
1450 dc->dc_min_row = dc->dc_rows;
1451 if (dc->dc_curx > 0 && dc->dc_cury > 0)
1452 hpcfb_cursor(dc, 1, dc->dc_cury, dc->dc_curx);
1453 return;
1454 }
1455 #endif /* HPCFB_JUMP */
1456 hpcfb_redraw(cookie, dst, num, 0);
1457 }
1458 #ifdef HPCFB_JUMP
1459 hpcfb_check_update(dc);
1460 #endif /* HPCFB_JUMP */
1461 }
1462
1463 /*
1464 * eraserows
1465 */
1466 void
1467 hpcfb_tv_eraserows(struct hpcfb_devconfig *dc,
1468 int row, int nrow, long attr)
1469 {
1470 struct hpcfb_tvrow *vscn = dc->dc_tvram;
1471 int cols;
1472 int i;
1473
1474 if (vscn == 0)
1475 return;
1476
1477 dc->dc_state |= HPCFB_DC_TDRAWING;
1478 dc->dc_state &= ~HPCFB_DC_TDRAWING;
1479 #ifdef HPCFB_JUMP
1480 if (row < dc->dc_min_row)
1481 dc->dc_min_row = row;
1482 if (row + nrow > dc->dc_max_row)
1483 dc->dc_max_row = row + nrow;
1484 #endif /* HPCFB_JUMP */
1485
1486 for (i = 0; i < nrow; i++) {
1487 cols = vscn[row+i].maxcol;
1488 if (vscn[row+i].spacecol < cols)
1489 vscn[row+i].spacecol = cols;
1490 vscn[row+i].maxcol = -1;
1491 }
1492 #ifdef HPCFB_JUMP
1493 hpcfb_check_update(dc);
1494 #endif /* HPCFB_JUMP */
1495 }
1496
1497 void
1498 hpcfb_eraserows(void *cookie, int row, int nrow, long attr)
1499 {
1500 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1501 struct hpcfb_softc *sc = dc->dc_sc;
1502 struct rasops_info *ri = &dc->dc_rinfo;
1503 int yoff;
1504 int width;
1505 int height;
1506
1507 hpcfb_tv_eraserows(dc, row, nrow, attr);
1508 #ifdef HPCFB_JUMP
1509 if (dc->dc_state&HPCFB_DC_SCROLLPENDING) {
1510 dc->dc_state |= HPCFB_DC_UPDATE;
1511 return;
1512 }
1513 #endif /* HPCFB_JUMP */
1514 if (!IS_DRAWABLE(dc)) {
1515 return;
1516 }
1517
1518 if (ri->ri_bits == NULL)
1519 return;
1520
1521 dc->dc_state |= HPCFB_DC_DRAWING;
1522 if (sc && sc->sc_accessops->erase
1523 && (dc->dc_state&HPCFB_DC_CURRENT)) {
1524 yoff = row * ri->ri_font->fontheight;
1525 width = dc->dc_cols * ri->ri_font->fontwidth;
1526 height = nrow * ri->ri_font->fontheight;
1527 (*sc->sc_accessops->erase)(sc->sc_accessctx,
1528 0, yoff, height, width, attr);
1529 } else
1530 rasops_emul.eraserows(ri, row, nrow, attr);
1531 dc->dc_state &= ~HPCFB_DC_DRAWING;
1532 #ifdef HPCFB_JUMP
1533 hpcfb_check_update(dc);
1534 #endif /* HPCFB_JUMP */
1535 }
1536
1537 /*
1538 * allocattr
1539 */
1540 int
1541 hpcfb_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
1542 {
1543 struct hpcfb_devconfig *dc = (struct hpcfb_devconfig *)cookie;
1544 struct rasops_info *ri = &dc->dc_rinfo;
1545
1546 return (rasops_emul.allocattr(ri, fg, bg, flags, attrp));
1547 }
1548