voyagerfb.c revision 1.26 1 /* $NetBSD: voyagerfb.c,v 1.26 2013/07/30 19:21:50 macallan Exp $ */
2
3 /*
4 * Copyright (c) 2009, 2011 Michael Lorenz
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 /*
29 * A console driver for Silicon Motion SM502 / Voyager GX graphics controllers
30 * tested on GDIUM only so far
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: voyagerfb.c,v 1.26 2013/07/30 19:21:50 macallan Exp $");
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/device.h>
40 #include <sys/malloc.h>
41 #include <sys/lwp.h>
42 #include <sys/kauth.h>
43
44 #include <dev/videomode/videomode.h>
45
46 #include <dev/pci/pcivar.h>
47 #include <dev/pci/pcireg.h>
48 #include <dev/pci/pcidevs.h>
49 #include <dev/pci/pciio.h>
50 #include <dev/ic/sm502reg.h>
51
52 #include <dev/wscons/wsdisplayvar.h>
53 #include <dev/wscons/wsconsio.h>
54 #include <dev/wsfont/wsfont.h>
55 #include <dev/rasops/rasops.h>
56 #include <dev/wscons/wsdisplay_vconsvar.h>
57 #include <dev/pci/wsdisplay_pci.h>
58
59 #include <dev/i2c/i2cvar.h>
60 #include <dev/pci/voyagervar.h>
61 #include <dev/wscons/wsdisplay_glyphcachevar.h>
62
63 #include "opt_voyagerfb.h"
64
65 #ifdef VOYAGERFB_DEBUG
66 #define DPRINTF aprint_error
67 #else
68 #define DPRINTF while (0) printf
69 #endif
70
71 /* XXX these are gdium-specific */
72 #define GPIO_BACKLIGHT 0x20000000
73
74 struct voyagerfb_softc {
75 device_t sc_dev;
76
77 pci_chipset_tag_t sc_pc;
78 pcitag_t sc_pcitag;
79 bus_space_tag_t sc_memt;
80
81 bus_space_handle_t sc_fbh;
82 bus_space_handle_t sc_regh;
83 bus_addr_t sc_fb, sc_reg;
84 bus_size_t sc_fbsize, sc_regsize;
85
86 int sc_width, sc_height, sc_depth, sc_stride;
87 int sc_locked;
88 void *sc_fbaddr;
89 struct vcons_screen sc_console_screen;
90 struct wsscreen_descr sc_defaultscreen_descr;
91 const struct wsscreen_descr *sc_screens[1];
92 struct wsscreen_list sc_screenlist;
93 struct vcons_data vd;
94 uint8_t *sc_dataport;
95 int sc_mode;
96 int sc_bl_on, sc_bl_level;
97 void *sc_gpio_cookie;
98
99 /* cursor stuff */
100 int sc_cur_x;
101 int sc_cur_y;
102 int sc_hot_x;
103 int sc_hot_y;
104 uint32_t sc_cursor_addr;
105 uint32_t *sc_cursor;
106
107 /* colour map */
108 u_char sc_cmap_red[256];
109 u_char sc_cmap_green[256];
110 u_char sc_cmap_blue[256];
111
112 glyphcache sc_gc;
113 };
114
115 static int voyagerfb_match(device_t, cfdata_t, void *);
116 static void voyagerfb_attach(device_t, device_t, void *);
117
118 CFATTACH_DECL_NEW(voyagerfb, sizeof(struct voyagerfb_softc),
119 voyagerfb_match, voyagerfb_attach, NULL, NULL);
120
121 extern const u_char rasops_cmap[768];
122
123 static int voyagerfb_ioctl(void *, void *, u_long, void *, int,
124 struct lwp *);
125 static paddr_t voyagerfb_mmap(void *, void *, off_t, int);
126 static void voyagerfb_init_screen(void *, struct vcons_screen *, int,
127 long *);
128
129 static int voyagerfb_putcmap(struct voyagerfb_softc *,
130 struct wsdisplay_cmap *);
131 static int voyagerfb_getcmap(struct voyagerfb_softc *,
132 struct wsdisplay_cmap *);
133 static void voyagerfb_restore_palette(struct voyagerfb_softc *);
134 static int voyagerfb_putpalreg(struct voyagerfb_softc *, int, uint8_t,
135 uint8_t, uint8_t);
136
137 static void voyagerfb_init(struct voyagerfb_softc *);
138
139 static void voyagerfb_rectfill(struct voyagerfb_softc *, int, int, int, int,
140 uint32_t);
141 static void voyagerfb_bitblt(void *, int, int, int, int,
142 int, int, int);
143
144 static void voyagerfb_cursor(void *, int, int, int);
145 static void voyagerfb_putchar_mono(void *, int, int, u_int, long);
146 static void voyagerfb_putchar_aa32(void *, int, int, u_int, long);
147 static void voyagerfb_putchar_aa8(void *, int, int, u_int, long);
148 static void voyagerfb_copycols(void *, int, int, int, int);
149 static void voyagerfb_erasecols(void *, int, int, int, long);
150 static void voyagerfb_copyrows(void *, int, int, int);
151 static void voyagerfb_eraserows(void *, int, int, long);
152
153 static int voyagerfb_set_curpos(struct voyagerfb_softc *, int, int);
154 static int voyagerfb_gcursor(struct voyagerfb_softc *,
155 struct wsdisplay_cursor *);
156 static int voyagerfb_scursor(struct voyagerfb_softc *,
157 struct wsdisplay_cursor *);
158
159 struct wsdisplay_accessops voyagerfb_accessops = {
160 voyagerfb_ioctl,
161 voyagerfb_mmap,
162 NULL, /* alloc_screen */
163 NULL, /* free_screen */
164 NULL, /* show_screen */
165 NULL, /* load_font */
166 NULL, /* pollc */
167 NULL /* scroll */
168 };
169
170 static void voyagerfb_setup_backlight(struct voyagerfb_softc *);
171 static void voyagerfb_brightness_up(device_t);
172 static void voyagerfb_brightness_down(device_t);
173 /* set backlight level */
174 static void voyagerfb_set_backlight(struct voyagerfb_softc *, int);
175 /* turn backlight on and off without messing with the level */
176 static void voyagerfb_switch_backlight(struct voyagerfb_softc *, int);
177
178 /* wait for FIFO empty so we can feed it another command */
179 static inline void
180 voyagerfb_ready(struct voyagerfb_softc *sc)
181 {
182 do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh,
183 SM502_SYSTEM_CTRL) & SM502_SYSCTL_FIFO_EMPTY) == 0);
184 }
185
186 /* wait for the drawing engine to be idle */
187 static inline void
188 voyagerfb_wait(struct voyagerfb_softc *sc)
189 {
190 do {} while ((bus_space_read_4(sc->sc_memt, sc->sc_regh,
191 SM502_SYSTEM_CTRL) & SM502_SYSCTL_ENGINE_BUSY) != 0);
192 }
193
194 static int
195 voyagerfb_match(device_t parent, cfdata_t match, void *aux)
196 {
197 struct voyager_attach_args *vaa = (struct voyager_attach_args *)aux;
198
199 if (strcmp(vaa->vaa_name, "voyagerfb") == 0) return 100;
200 return 0;
201 }
202
203 static void
204 voyagerfb_attach(device_t parent, device_t self, void *aux)
205 {
206 struct voyagerfb_softc *sc = device_private(self);
207 struct voyager_attach_args *vaa = aux;
208 struct rasops_info *ri;
209 struct wsemuldisplaydev_attach_args aa;
210 prop_dictionary_t dict;
211 unsigned long defattr;
212 uint32_t reg;
213 bool is_console;
214 int i, j;
215 uint8_t cmap[768];
216
217 sc->sc_pc = vaa->vaa_pc;
218 sc->sc_pcitag = vaa->vaa_pcitag;
219 sc->sc_memt = vaa->vaa_tag;
220 sc->sc_dev = self;
221
222 aprint_normal("\n");
223
224 dict = device_properties(self);
225 prop_dictionary_get_bool(dict, "is_console", &is_console);
226
227 sc->sc_fb = vaa->vaa_mem_pa;
228 sc->sc_fbh = vaa->vaa_memh;
229 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh);
230
231 sc->sc_reg = vaa->vaa_reg_pa;
232 sc->sc_regh = vaa->vaa_regh;
233 sc->sc_regsize = 2 * 1024 * 1024;
234 sc->sc_dataport = bus_space_vaddr(sc->sc_memt, sc->sc_regh);
235 sc->sc_dataport += SM502_DATAPORT;
236
237 sc->sc_gpio_cookie = device_private(parent);
238
239 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_DRAM_CONTROL);
240 switch(reg & 0x0000e000) {
241 case SM502_MEM_2M:
242 sc->sc_fbsize = 2 * 1024 * 1024;
243 break;
244 case SM502_MEM_4M:
245 sc->sc_fbsize = 4 * 1024 * 1024;
246 break;
247 case SM502_MEM_8M:
248 sc->sc_fbsize = 8 * 1024 * 1024;
249 break;
250 case SM502_MEM_16M:
251 sc->sc_fbsize = 16 * 1024 * 1024;
252 break;
253 case SM502_MEM_32M:
254 sc->sc_fbsize = 32 * 1024 * 1024;
255 break;
256 case SM502_MEM_64M:
257 sc->sc_fbsize = 64 * 1024 * 1024;
258 break;
259 }
260
261 sc->sc_width = (bus_space_read_4(sc->sc_memt, sc->sc_regh,
262 SM502_PANEL_FB_WIDTH) & SM502_FBW_WIN_WIDTH_MASK) >> 16;
263 sc->sc_height = (bus_space_read_4(sc->sc_memt, sc->sc_regh,
264 SM502_PANEL_FB_HEIGHT) & SM502_FBH_WIN_HEIGHT_MASK) >> 16;
265
266 #ifdef VOYAGERFB_DEPTH_32
267 sc->sc_depth = 32;
268 #else
269 sc->sc_depth = 8;
270 #endif
271
272 printf("%s: %d x %d, %d bit, stride %d\n", device_xname(self),
273 sc->sc_width, sc->sc_height, sc->sc_depth, sc->sc_stride);
274
275 /*
276 * XXX yeah, casting the fb address to uint32_t is formally wrong
277 * but as far as I know there are no SM502 with 64bit BARs
278 */
279 aprint_normal("%s: %d MB video memory at 0x%08x\n", device_xname(self),
280 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb);
281
282 /* init engine here */
283 voyagerfb_init(sc);
284
285 sc->sc_defaultscreen_descr = (struct wsscreen_descr){
286 "default",
287 0, 0,
288 NULL,
289 8, 16,
290 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
291 NULL
292 };
293 sc->sc_screens[0] = &sc->sc_defaultscreen_descr;
294 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
295 sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
296 sc->sc_locked = 0;
297
298 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr,
299 &voyagerfb_accessops);
300 sc->vd.init_screen = voyagerfb_init_screen;
301
302 /* backlight control */
303 voyagerfb_setup_backlight(sc);
304
305 ri = &sc->sc_console_screen.scr_ri;
306
307 sc->sc_gc.gc_bitblt = voyagerfb_bitblt;
308 sc->sc_gc.gc_blitcookie = sc;
309 sc->sc_gc.gc_rop = ROP_COPY;
310 if (is_console) {
311 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
312 &defattr);
313 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
314
315 sc->sc_defaultscreen_descr.textops = &ri->ri_ops;
316 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps;
317 sc->sc_defaultscreen_descr.nrows = ri->ri_rows;
318 sc->sc_defaultscreen_descr.ncols = ri->ri_cols;
319 } else {
320 if (sc->sc_console_screen.scr_ri.ri_rows == 0) {
321 /* do some minimal setup to avoid weirdness later */
322 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
323 &defattr);
324 } else
325 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
326 }
327 glyphcache_init(&sc->sc_gc, sc->sc_height,
328 (sc->sc_fbsize / sc->sc_stride) - sc->sc_height,
329 sc->sc_width,
330 ri->ri_font->fontwidth,
331 ri->ri_font->fontheight,
332 defattr);
333 if (is_console)
334 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
335 defattr);
336
337 rasops_get_cmap(ri, cmap, sizeof(cmap));
338 j = 0;
339 if (sc->sc_depth <= 8) {
340 for (i = 0; i < 256; i++) {
341
342 sc->sc_cmap_red[i] = cmap[j];
343 sc->sc_cmap_green[i] = cmap[j + 1];
344 sc->sc_cmap_blue[i] = cmap[j + 2];
345 voyagerfb_putpalreg(sc, i, cmap[j], cmap[j + 1],
346 cmap[j + 2]);
347 j += 3;
348 }
349 }
350
351 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height,
352 ri->ri_devcmap[(defattr >> 16) & 0xff]);
353
354 if (is_console)
355 vcons_replay_msgbuf(&sc->sc_console_screen);
356
357 aa.console = is_console;
358 aa.scrdata = &sc->sc_screenlist;
359 aa.accessops = &voyagerfb_accessops;
360 aa.accesscookie = &sc->vd;
361
362 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
363 }
364
365 static int
366 voyagerfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
367 struct lwp *l)
368 {
369 struct vcons_data *vd = v;
370 struct voyagerfb_softc *sc = vd->cookie;
371 struct wsdisplay_fbinfo *wdf;
372 struct vcons_screen *ms = vd->active;
373 struct wsdisplay_param *param;
374
375 switch (cmd) {
376 case WSDISPLAYIO_GTYPE:
377 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
378 return 0;
379
380 /* PCI config read/write pass through. */
381 case PCI_IOC_CFGREAD:
382 case PCI_IOC_CFGWRITE:
383 return pci_devioctl(sc->sc_pc, sc->sc_pcitag,
384 cmd, data, flag, l);
385
386 case WSDISPLAYIO_GET_BUSID:
387 return wsdisplayio_busid_pci(device_parent(sc->sc_dev),
388 sc->sc_pc, sc->sc_pcitag, data);
389
390 case WSDISPLAYIO_GINFO:
391 if (ms == NULL)
392 return ENODEV;
393 wdf = (void *)data;
394 wdf->height = ms->scr_ri.ri_height;
395 wdf->width = ms->scr_ri.ri_width;
396 wdf->depth = 32;
397 wdf->cmsize = 256;
398 return 0;
399
400 case WSDISPLAYIO_GETCMAP:
401 return voyagerfb_getcmap(sc,
402 (struct wsdisplay_cmap *)data);
403
404 case WSDISPLAYIO_PUTCMAP:
405 return voyagerfb_putcmap(sc,
406 (struct wsdisplay_cmap *)data);
407
408 case WSDISPLAYIO_LINEBYTES:
409 *(u_int *)data = sc->sc_stride;
410 return 0;
411
412 case WSDISPLAYIO_SMODE: {
413 int new_mode = *(int*)data;
414 if (new_mode != sc->sc_mode) {
415 sc->sc_mode = new_mode;
416 if(new_mode == WSDISPLAYIO_MODE_EMUL) {
417 #ifdef VOYAGERFB_DEPTH_32
418 sc->sc_depth = 32;
419 #else
420 sc->sc_depth = 8;
421 #endif
422 glyphcache_wipe(&sc->sc_gc);
423 voyagerfb_init(sc);
424 voyagerfb_restore_palette(sc);
425 vcons_redraw_screen(ms);
426 } else {
427 sc->sc_depth = 32;
428 voyagerfb_init(sc);
429 }
430 }
431 }
432 return 0;
433
434 case WSDISPLAYIO_GVIDEO:
435 *(int *)data = sc->sc_bl_on ? WSDISPLAYIO_VIDEO_ON :
436 WSDISPLAYIO_VIDEO_OFF;
437 return 0;
438
439 case WSDISPLAYIO_SVIDEO: {
440 int new_bl = *(int *)data;
441
442 voyagerfb_switch_backlight(sc, new_bl);
443 }
444 return 0;
445
446 case WSDISPLAYIO_GETPARAM:
447 param = (struct wsdisplay_param *)data;
448 switch (param->param) {
449 case WSDISPLAYIO_PARAM_BRIGHTNESS:
450 param->min = 0;
451 param->max = 255;
452 param->curval = sc->sc_bl_level;
453 return 0;
454 case WSDISPLAYIO_PARAM_BACKLIGHT:
455 param->min = 0;
456 param->max = 1;
457 param->curval = sc->sc_bl_on;
458 return 0;
459 }
460 return EPASSTHROUGH;
461
462 case WSDISPLAYIO_SETPARAM:
463 param = (struct wsdisplay_param *)data;
464 switch (param->param) {
465 case WSDISPLAYIO_PARAM_BRIGHTNESS:
466 voyagerfb_set_backlight(sc, param->curval);
467 return 0;
468 case WSDISPLAYIO_PARAM_BACKLIGHT:
469 voyagerfb_switch_backlight(sc, param->curval);
470 return 0;
471 }
472 return EPASSTHROUGH;
473
474 case WSDISPLAYIO_GCURPOS:
475 {
476 struct wsdisplay_curpos *pos;
477
478 pos = (struct wsdisplay_curpos *)data;
479 pos->x = sc->sc_cur_x;
480 pos->y = sc->sc_cur_y;
481 }
482 return 0;
483
484 case WSDISPLAYIO_SCURPOS:
485 {
486 struct wsdisplay_curpos *pos;
487
488 pos = (struct wsdisplay_curpos *)data;
489 voyagerfb_set_curpos(sc, pos->x, pos->y);
490 }
491 return 0;
492
493 case WSDISPLAYIO_GCURMAX:
494 {
495 struct wsdisplay_curpos *pos;
496
497 pos = (struct wsdisplay_curpos *)data;
498 pos->x = 64;
499 pos->y = 64;
500 }
501 return 0;
502
503 case WSDISPLAYIO_GCURSOR:
504 {
505 struct wsdisplay_cursor *cu;
506
507 cu = (struct wsdisplay_cursor *)data;
508 return voyagerfb_gcursor(sc, cu);
509 }
510
511 case WSDISPLAYIO_SCURSOR:
512 {
513 struct wsdisplay_cursor *cu;
514
515 cu = (struct wsdisplay_cursor *)data;
516 return voyagerfb_scursor(sc, cu);
517 }
518 }
519 return EPASSTHROUGH;
520 }
521
522 static paddr_t
523 voyagerfb_mmap(void *v, void *vs, off_t offset, int prot)
524 {
525 struct vcons_data *vd = v;
526 struct voyagerfb_softc *sc = vd->cookie;
527 paddr_t pa;
528
529 /* 'regular' framebuffer mmap()ing */
530 if (offset < sc->sc_fbsize) {
531 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot,
532 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE);
533 return pa;
534 }
535
536 /*
537 * restrict all other mappings to processes with privileges
538 */
539 if (kauth_authorize_machdep(kauth_cred_get(),
540 KAUTH_MACHDEP_UNMANAGEDMEM, NULL, NULL, NULL, NULL) != 0) {
541 aprint_normal("%s: mmap() rejected.\n",
542 device_xname(sc->sc_dev));
543 return -1;
544 }
545
546 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) {
547 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
548 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE);
549 return pa;
550 }
551
552 if ((offset >= sc->sc_reg) &&
553 (offset < (sc->sc_reg + sc->sc_regsize))) {
554 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 0);
555 return pa;
556 }
557
558 return -1;
559 }
560
561 static void
562 voyagerfb_init_screen(void *cookie, struct vcons_screen *scr,
563 int existing, long *defattr)
564 {
565 struct voyagerfb_softc *sc = cookie;
566 struct rasops_info *ri = &scr->scr_ri;
567
568 ri->ri_depth = sc->sc_depth;
569 ri->ri_width = sc->sc_width;
570 ri->ri_height = sc->sc_height;
571 ri->ri_stride = sc->sc_stride;
572 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
573
574 ri->ri_bits = (char *)sc->sc_fbaddr;
575
576 if (existing) {
577 ri->ri_flg |= RI_CLEAR;
578 }
579
580 if (sc->sc_depth == 8) {
581 ri->ri_flg |= RI_8BIT_IS_RGB;
582 #ifdef VOYAGERFB_ANTIALIAS
583 ri->ri_flg |= RI_ENABLE_ALPHA;
584 #endif
585 }
586 if (sc->sc_depth == 32) {
587 #ifdef VOYAGERFB_ANTIALIAS
588 ri->ri_flg |= RI_ENABLE_ALPHA;
589 #endif
590 /* we always run in RGB */
591 ri->ri_rnum = 8;
592 ri->ri_gnum = 8;
593 ri->ri_bnum = 8;
594 ri->ri_rpos = 16;
595 ri->ri_gpos = 8;
596 ri->ri_bpos = 0;
597 }
598
599 rasops_init(ri, 0, 0);
600 ri->ri_caps = WSSCREEN_WSCOLORS;
601
602 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
603 sc->sc_width / ri->ri_font->fontwidth);
604
605 ri->ri_hw = scr;
606 ri->ri_ops.copyrows = voyagerfb_copyrows;
607 ri->ri_ops.copycols = voyagerfb_copycols;
608 ri->ri_ops.eraserows = voyagerfb_eraserows;
609 ri->ri_ops.erasecols = voyagerfb_erasecols;
610 ri->ri_ops.cursor = voyagerfb_cursor;
611 if (FONT_IS_ALPHA(ri->ri_font)) {
612 switch (sc->sc_depth) {
613 case 32:
614 ri->ri_ops.putchar = voyagerfb_putchar_aa32;
615 break;
616 case 8:
617 ri->ri_ops.putchar = voyagerfb_putchar_aa8;
618 break;
619 default:
620 printf("alpha font at %d!?\n", sc->sc_depth);
621 }
622 } else
623 ri->ri_ops.putchar = voyagerfb_putchar_mono;
624 }
625
626 static int
627 voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm)
628 {
629 u_char *r, *g, *b;
630 u_int index = cm->index;
631 u_int count = cm->count;
632 int i, error;
633 u_char rbuf[256], gbuf[256], bbuf[256];
634
635 #ifdef VOYAGERFB_DEBUG
636 aprint_debug("putcmap: %d %d\n",index, count);
637 #endif
638 if (cm->index >= 256 || cm->count > 256 ||
639 (cm->index + cm->count) > 256)
640 return EINVAL;
641 error = copyin(cm->red, &rbuf[index], count);
642 if (error)
643 return error;
644 error = copyin(cm->green, &gbuf[index], count);
645 if (error)
646 return error;
647 error = copyin(cm->blue, &bbuf[index], count);
648 if (error)
649 return error;
650
651 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
652 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
653 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
654
655 r = &sc->sc_cmap_red[index];
656 g = &sc->sc_cmap_green[index];
657 b = &sc->sc_cmap_blue[index];
658
659 for (i = 0; i < count; i++) {
660 voyagerfb_putpalreg(sc, index, *r, *g, *b);
661 index++;
662 r++, g++, b++;
663 }
664 return 0;
665 }
666
667 static int
668 voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm)
669 {
670 u_int index = cm->index;
671 u_int count = cm->count;
672 int error;
673
674 if (index >= 255 || count > 256 || index + count > 256)
675 return EINVAL;
676
677 error = copyout(&sc->sc_cmap_red[index], cm->red, count);
678 if (error)
679 return error;
680 error = copyout(&sc->sc_cmap_green[index], cm->green, count);
681 if (error)
682 return error;
683 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
684 if (error)
685 return error;
686
687 return 0;
688 }
689
690 static void
691 voyagerfb_restore_palette(struct voyagerfb_softc *sc)
692 {
693 int i;
694
695 for (i = 0; i < 256; i++) {
696 voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i],
697 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]);
698 }
699 }
700
701 static int
702 voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r,
703 uint8_t g, uint8_t b)
704 {
705 uint32_t reg;
706
707 reg = (r << 16) | (g << 8) | b;
708 /* XXX we should probably write the CRT palette too */
709 bus_space_write_4(sc->sc_memt, sc->sc_regh,
710 SM502_PALETTE_PANEL + (idx << 2), reg);
711 return 0;
712 }
713
714 static void
715 voyagerfb_init(struct voyagerfb_softc *sc)
716 {
717 int reg;
718
719 voyagerfb_wait(sc);
720 /* disable colour compare */
721 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0);
722 /* allow writes to all planes */
723 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK,
724 0xffffffff);
725 /* disable clipping */
726 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0);
727 /* source and destination in local memory, no offset */
728 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0);
729 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0);
730 /* pitch is screen stride */
731 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH,
732 sc->sc_width | (sc->sc_width << 16));
733 /* window is screen width */
734 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH,
735 sc->sc_width | (sc->sc_width << 16));
736 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL);
737 reg &= ~SM502_PDC_DEPTH_MASK;
738
739 switch (sc->sc_depth) {
740 case 8:
741 bus_space_write_4(sc->sc_memt, sc->sc_regh,
742 SM502_STRETCH, SM502_STRETCH_8BIT);
743 sc->sc_stride = sc->sc_width;
744 reg |= SM502_PDC_8BIT;
745 break;
746 case 16:
747 bus_space_write_4(sc->sc_memt, sc->sc_regh,
748 SM502_STRETCH, SM502_STRETCH_16BIT);
749 sc->sc_stride = sc->sc_width << 1;
750 reg |= SM502_PDC_16BIT;
751 break;
752 case 24:
753 case 32:
754 bus_space_write_4(sc->sc_memt, sc->sc_regh,
755 SM502_STRETCH, SM502_STRETCH_32BIT);
756 sc->sc_stride = sc->sc_width << 2;
757 reg |= SM502_PDC_32BIT;
758 break;
759 }
760 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_FB_OFFSET,
761 (sc->sc_stride << 16) | sc->sc_stride);
762
763 /* clear the screen... */
764 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 0);
765
766 /* ...and then switch colour depth. For aesthetic reasons. */
767 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL,
768 reg);
769
770 /* put the cursor at the end of video memory */
771 sc->sc_cursor_addr = 16 * 1024 * 1024 - 16 * 64; /* XXX */
772 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr);
773 sc->sc_cursor = (uint32_t *)((uint8_t *)bus_space_vaddr(sc->sc_memt,
774 sc->sc_fbh) + sc->sc_cursor_addr);
775 #ifdef VOYAGERFB_DEBUG
776 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY,
777 0x00100010);
778 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL12,
779 0x0000ffff);
780 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL3,
781 0x0000f800);
782 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR,
783 SM502_CRSR_ENABLE | sc->sc_cursor_addr);
784 sc->sc_cursor[0] = 0x00000000;
785 sc->sc_cursor[1] = 0x00000000;
786 sc->sc_cursor[2] = 0xffffffff;
787 sc->sc_cursor[3] = 0xffffffff;
788 sc->sc_cursor[4] = 0xaaaaaaaa;
789 sc->sc_cursor[5] = 0xaaaaaaaa;
790 sc->sc_cursor[6] = 0xffffffff;
791 sc->sc_cursor[7] = 0x00000000;
792 #else
793 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR,
794 sc->sc_cursor_addr);
795 #endif
796 }
797
798 static void
799 voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he,
800 uint32_t colour)
801 {
802
803 voyagerfb_ready(sc);
804 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL,
805 ROP_COPY |
806 SM502_CTRL_USE_ROP2 |
807 SM502_CTRL_CMD_RECTFILL |
808 SM502_CTRL_QUICKSTART_E);
809 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND,
810 colour);
811 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST,
812 (x << 16) | y);
813 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
814 (wi << 16) | he);
815 }
816
817 static void
818 voyagerfb_bitblt(void *cookie, int xs, int ys, int xd, int yd,
819 int wi, int he, int rop)
820 {
821 struct voyagerfb_softc *sc = cookie;
822 uint32_t cmd;
823
824 cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT |
825 SM502_CTRL_QUICKSTART_E;
826
827 voyagerfb_ready(sc);
828
829 if (xd <= xs) {
830 /* left to right */
831 } else {
832 /*
833 * According to the manual this flag reverses only the blitter's
834 * X direction. At least on my Gdium it also reverses the Y
835 * direction
836 */
837 cmd |= SM502_CTRL_R_TO_L;
838 xs += wi - 1;
839 xd += wi - 1;
840 ys += he - 1;
841 yd += he - 1;
842 }
843
844 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
845 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC,
846 (xs << 16) | ys);
847 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST,
848 (xd << 16) | yd);
849 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
850 (wi << 16) | he);
851 }
852
853 static void
854 voyagerfb_cursor(void *cookie, int on, int row, int col)
855 {
856 struct rasops_info *ri = cookie;
857 struct vcons_screen *scr = ri->ri_hw;
858 struct voyagerfb_softc *sc = scr->scr_cookie;
859 int x, y, wi, he;
860
861 wi = ri->ri_font->fontwidth;
862 he = ri->ri_font->fontheight;
863
864 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
865 x = ri->ri_ccol * wi + ri->ri_xorigin;
866 y = ri->ri_crow * he + ri->ri_yorigin;
867 if (ri->ri_flg & RI_CURSOR) {
868 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT);
869 ri->ri_flg &= ~RI_CURSOR;
870 }
871 ri->ri_crow = row;
872 ri->ri_ccol = col;
873 if (on) {
874 x = ri->ri_ccol * wi + ri->ri_xorigin;
875 y = ri->ri_crow * he + ri->ri_yorigin;
876 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT);
877 ri->ri_flg |= RI_CURSOR;
878 }
879 } else {
880 scr->scr_ri.ri_crow = row;
881 scr->scr_ri.ri_ccol = col;
882 scr->scr_ri.ri_flg &= ~RI_CURSOR;
883 }
884
885 }
886
887 static inline void
888 voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len)
889 {
890 uint32_t *port = (uint32_t *)sc->sc_dataport;
891 int i;
892
893 for (i = 0; i < ((len + 3) & 0xfffc); i++) {
894 *port = *data;
895 data++;
896 }
897 }
898
899 static inline void
900 voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len)
901 {
902 uint32_t *port = (uint32_t *)sc->sc_dataport;
903 int i;
904
905 len = len << 1;
906 for (i = 0; i < ((len + 1) & 0xfffe); i++) {
907 *port = *data;
908 data++;
909 }
910 }
911
912 static void
913 voyagerfb_putchar_mono(void *cookie, int row, int col, u_int c, long attr)
914 {
915 struct rasops_info *ri = cookie;
916 struct wsdisplay_font *font = PICK_FONT(ri, c);
917 struct vcons_screen *scr = ri->ri_hw;
918 struct voyagerfb_softc *sc = scr->scr_cookie;
919 uint32_t cmd;
920 int fg, bg;
921 uint8_t *data;
922 int x, y, wi, he;
923
924 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL)
925 return;
926
927 if (!CHAR_IN_FONT(c, font))
928 return;
929
930 wi = font->fontwidth;
931 he = font->fontheight;
932
933 bg = ri->ri_devcmap[(attr >> 16) & 0x0f];
934 fg = ri->ri_devcmap[(attr >> 24) & 0x0f];
935 x = ri->ri_xorigin + col * wi;
936 y = ri->ri_yorigin + row * he;
937 if (c == 0x20) {
938 voyagerfb_rectfill(sc, x, y, wi, he, bg);
939 return;
940 }
941
942 data = WSFONT_GLYPH(c, font);
943
944 cmd = ROP_COPY |
945 SM502_CTRL_USE_ROP2 |
946 SM502_CTRL_CMD_HOSTWRT |
947 SM502_CTRL_HOSTBLT_MONO |
948 SM502_CTRL_QUICKSTART_E |
949 SM502_CTRL_MONO_PACK_32BIT;
950 voyagerfb_ready(sc);
951 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
952 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, fg);
953 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_BACKGROUND, bg);
954 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0);
955 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y);
956 bus_space_write_4(sc->sc_memt, sc->sc_regh,
957 SM502_DIMENSION, (wi << 16) | he);
958 /* now feed the data, padded to 32bit */
959 switch (ri->ri_font->stride) {
960 case 1:
961 voyagerfb_feed8(sc, data, ri->ri_fontscale);
962 break;
963 case 2:
964 voyagerfb_feed16(sc, (uint16_t *)data,
965 ri->ri_fontscale);
966 break;
967 }
968 }
969
970 static void
971 voyagerfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr)
972 {
973 struct rasops_info *ri = cookie;
974 struct wsdisplay_font *font = PICK_FONT(ri, c);
975 struct vcons_screen *scr = ri->ri_hw;
976 struct voyagerfb_softc *sc = scr->scr_cookie;
977 uint32_t cmd;
978 int fg, bg;
979 uint8_t *data;
980 int x, y, wi, he;
981 int i, j, r, g, b, aval, pad;
982 int rf, gf, bf, rb, gb, bb;
983 uint32_t pixel;
984 int rv;
985
986 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL)
987 return;
988
989 if (!CHAR_IN_FONT(c, font))
990 return;
991
992 wi = font->fontwidth;
993 he = font->fontheight;
994
995 bg = ri->ri_devcmap[(attr >> 16) & 0x0f];
996 fg = ri->ri_devcmap[(attr >> 24) & 0x0f];
997 x = ri->ri_xorigin + col * wi;
998 y = ri->ri_yorigin + row * he;
999 if (c == 0x20) {
1000 voyagerfb_rectfill(sc, x, y, wi, he, bg);
1001 return;
1002 }
1003
1004 data = WSFONT_GLYPH(c, font);
1005 /*
1006 * we can't accelerate the actual alpha blending but
1007 * we can at least use a host blit to go through the
1008 * pipeline instead of having to sync the engine
1009 */
1010
1011 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr);
1012 if (rv == GC_OK)
1013 return;
1014
1015 cmd = ROP_COPY |
1016 SM502_CTRL_USE_ROP2 |
1017 SM502_CTRL_CMD_HOSTWRT |
1018 SM502_CTRL_QUICKSTART_E;
1019 voyagerfb_ready(sc);
1020 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
1021 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0);
1022 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y);
1023 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
1024 (wi << 16) | he);
1025 rf = (fg >> 16) & 0xff;
1026 rb = (bg >> 16) & 0xff;
1027 gf = (fg >> 8) & 0xff;
1028 gb = (bg >> 8) & 0xff;
1029 bf = fg & 0xff;
1030 bb = bg & 0xff;
1031 pad = wi & 1;
1032 for (i = 0; i < he; i++) {
1033 for (j = 0; j < wi; j++) {
1034 aval = *data;
1035 data++;
1036 if (aval == 0) {
1037 pixel = bg;
1038 } else if (aval == 255) {
1039 pixel = fg;
1040 } else {
1041 r = aval * rf + (255 - aval) * rb;
1042 g = aval * gf + (255 - aval) * gb;
1043 b = aval * bf + (255 - aval) * bb;
1044 pixel = (r & 0xff00) << 8 |
1045 (g & 0xff00) |
1046 (b & 0xff00) >> 8;
1047 }
1048 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1049 SM502_DATAPORT, pixel);
1050 }
1051 if (pad)
1052 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1053 SM502_DATAPORT, 0);
1054 }
1055 if (rv == GC_ADD) {
1056 glyphcache_add(&sc->sc_gc, c, x, y);
1057 }
1058 }
1059
1060 static void
1061 voyagerfb_putchar_aa8(void *cookie, int row, int col, u_int c, long attr)
1062 {
1063 struct rasops_info *ri = cookie;
1064 struct wsdisplay_font *font = PICK_FONT(ri, c);
1065 struct vcons_screen *scr = ri->ri_hw;
1066 struct voyagerfb_softc *sc = scr->scr_cookie;
1067 uint32_t cmd;
1068 int fg, bg;
1069 uint8_t *data;
1070 int x, y, wi, he;
1071 int i, j, r, g, b, aval, pad;
1072 int r1, g1, b1, r0, g0, b0, fgo, bgo;
1073 uint32_t pixel = 0, latch = 0, bg8, fg8;
1074 int rv;
1075
1076 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL)
1077 return;
1078
1079 if (!CHAR_IN_FONT(c, font))
1080 return;
1081
1082 wi = font->fontwidth;
1083 he = font->fontheight;
1084
1085 bg = ri->ri_devcmap[(attr >> 16) & 0x0f];
1086 fg = ri->ri_devcmap[(attr >> 24) & 0x0f];
1087 x = ri->ri_xorigin + col * wi;
1088 y = ri->ri_yorigin + row * he;
1089 if (c == 0x20) {
1090 voyagerfb_rectfill(sc, x, y, wi, he, bg);
1091 return;
1092 }
1093
1094 data = WSFONT_GLYPH(c, font);
1095 /*
1096 * we can't accelerate the actual alpha blending but
1097 * we can at least use a host blit to go through the
1098 * pipeline instead of having to sync the engine
1099 */
1100
1101 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr);
1102 if (rv == GC_OK)
1103 return;
1104
1105 cmd = ROP_COPY |
1106 SM502_CTRL_USE_ROP2 |
1107 SM502_CTRL_CMD_HOSTWRT |
1108 SM502_CTRL_QUICKSTART_E;
1109 voyagerfb_ready(sc);
1110 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
1111 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0);
1112 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y);
1113 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
1114 (wi << 16) | he);
1115
1116 /*
1117 * we need the RGB colours here, so get offsets into rasops_cmap
1118 */
1119 fgo = ((attr >> 24) & 0xf) * 3;
1120 bgo = ((attr >> 16) & 0xf) * 3;
1121
1122 r0 = rasops_cmap[bgo];
1123 r1 = rasops_cmap[fgo];
1124 g0 = rasops_cmap[bgo + 1];
1125 g1 = rasops_cmap[fgo + 1];
1126 b0 = rasops_cmap[bgo + 2];
1127 b1 = rasops_cmap[fgo + 2];
1128 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6))
1129 bg8 = R3G3B2(r0, g0, b0);
1130 fg8 = R3G3B2(r1, g1, b1);
1131
1132 pad = wi & 4;
1133 for (i = 0; i < he; i++) {
1134 for (j = 0; j < wi; j++) {
1135 aval = *data;
1136 data++;
1137 if (aval == 0) {
1138 pixel = bg8;
1139 } else if (aval == 255) {
1140 pixel = fg8;
1141 } else {
1142 r = aval * r1 + (255 - aval) * r0;
1143 g = aval * g1 + (255 - aval) * g0;
1144 b = aval * b1 + (255 - aval) * b0;
1145 pixel = ((r & 0xe000) >> 8) |
1146 ((g & 0xe000) >> 11) |
1147 ((b & 0xc000) >> 14);
1148 }
1149 latch = (latch << 8) | pixel;
1150 /* write in 32bit chunks */
1151 if ((j & 3) == 3) {
1152 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1153 SM502_DATAPORT, be32toh(latch));
1154 latch = 0;
1155 }
1156 }
1157 /* if we have pixels left in latch write them out */
1158 if ((j & 3) != 0) {
1159 latch = latch << ((4 - (i & 3)) << 3);
1160 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1161 SM502_DATAPORT, be32toh(latch));
1162 }
1163 if (pad)
1164 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1165 SM502_DATAPORT, 0);
1166 }
1167 if (rv == GC_ADD) {
1168 glyphcache_add(&sc->sc_gc, c, x, y);
1169 }
1170 }
1171
1172 static void
1173 voyagerfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1174 {
1175 struct rasops_info *ri = cookie;
1176 struct vcons_screen *scr = ri->ri_hw;
1177 struct voyagerfb_softc *sc = scr->scr_cookie;
1178 int32_t xs, xd, y, width, height;
1179
1180 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1181 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1182 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1183 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1184 width = ri->ri_font->fontwidth * ncols;
1185 height = ri->ri_font->fontheight;
1186 voyagerfb_bitblt(sc, xs, y, xd, y, width, height, ROP_COPY);
1187 }
1188 }
1189
1190 static void
1191 voyagerfb_erasecols(void *cookie, int row, int startcol, int ncols,
1192 long fillattr)
1193 {
1194 struct rasops_info *ri = cookie;
1195 struct vcons_screen *scr = ri->ri_hw;
1196 struct voyagerfb_softc *sc = scr->scr_cookie;
1197 int32_t x, y, width, height, fg, bg, ul;
1198
1199 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1200 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1201 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1202 width = ri->ri_font->fontwidth * ncols;
1203 height = ri->ri_font->fontheight;
1204 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
1205
1206 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
1207 }
1208 }
1209
1210 static void
1211 voyagerfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1212 {
1213 struct rasops_info *ri = cookie;
1214 struct vcons_screen *scr = ri->ri_hw;
1215 struct voyagerfb_softc *sc = scr->scr_cookie;
1216 int32_t x, ys, yd, width, height;
1217 int i;
1218
1219 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1220 x = ri->ri_xorigin;
1221 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1222 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1223 width = ri->ri_emuwidth;
1224 height = ri->ri_font->fontheight * nrows;
1225 if ((nrows > 1) && (dstrow > srcrow)) {
1226 /*
1227 * the blitter can't do bottom-up copies so we have
1228 * to copy line by line here
1229 * should probably use a command sequence
1230 */
1231 ys += (height - ri->ri_font->fontheight);
1232 yd += (height - ri->ri_font->fontheight);
1233 for (i = 0; i < nrows; i++) {
1234 voyagerfb_bitblt(sc, x, ys, x, yd, width,
1235 ri->ri_font->fontheight, ROP_COPY);
1236 ys -= ri->ri_font->fontheight;
1237 yd -= ri->ri_font->fontheight;
1238 }
1239 } else
1240 voyagerfb_bitblt(sc, x, ys, x, yd, width, height,
1241 ROP_COPY);
1242 }
1243 }
1244
1245 static void
1246 voyagerfb_eraserows(void *cookie, int row, int nrows, long fillattr)
1247 {
1248 struct rasops_info *ri = cookie;
1249 struct vcons_screen *scr = ri->ri_hw;
1250 struct voyagerfb_softc *sc = scr->scr_cookie;
1251 int32_t x, y, width, height, fg, bg, ul;
1252
1253 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1254 x = ri->ri_xorigin;
1255 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1256 width = ri->ri_emuwidth;
1257 height = ri->ri_font->fontheight * nrows;
1258 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
1259
1260 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
1261 }
1262 }
1263
1264 /* backlight control */
1265 static void
1266 voyagerfb_setup_backlight(struct voyagerfb_softc *sc)
1267 {
1268 /* switch the pin to gpio mode if it isn't already */
1269 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0);
1270 /* turn it on */
1271 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT);
1272 sc->sc_bl_on = 1;
1273 sc->sc_bl_level = 255;
1274 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP,
1275 voyagerfb_brightness_up, TRUE);
1276 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
1277 voyagerfb_brightness_down, TRUE);
1278 }
1279
1280 static void
1281 voyagerfb_set_backlight(struct voyagerfb_softc *sc, int level)
1282 {
1283
1284 /*
1285 * should we do nothing when backlight is off, should we just store the
1286 * level and use it when turning back on or should we just flip sc_bl_on
1287 * and turn the backlight on?
1288 * For now turn it on so a crashed screensaver can't get the user stuck
1289 * with a dark screen as long as hotkeys work
1290 */
1291 if (level > 255) level = 255;
1292 if (level < 0) level = 0;
1293 if (level == sc->sc_bl_level)
1294 return;
1295 sc->sc_bl_level = level;
1296 if (sc->sc_bl_on == 0)
1297 sc->sc_bl_on = 1;
1298 /* and here we would actually muck with the hardware */
1299 if ((level == 0) || (level == 255)) {
1300 /* in these cases bypass the PWM and use the gpio */
1301 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0);
1302 if (level == 0) {
1303 voyager_write_gpio(sc->sc_gpio_cookie,
1304 ~GPIO_BACKLIGHT, 0);
1305 } else {
1306 voyager_write_gpio(sc->sc_gpio_cookie,
1307 0xffffffff, GPIO_BACKLIGHT);
1308 }
1309 } else {
1310 uint32_t pwm;
1311
1312 pwm = voyager_set_pwm(20000, level * 1000 / 256);
1313 pwm |= SM502_PWM_ENABLE;
1314 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PWM0, pwm);
1315
1316 /* let the PWM take over */
1317 voyager_control_gpio(sc->sc_gpio_cookie,
1318 0xffffffff, GPIO_BACKLIGHT);
1319 }
1320 }
1321
1322 static void
1323 voyagerfb_switch_backlight(struct voyagerfb_softc *sc, int on)
1324 {
1325
1326 if (on == sc->sc_bl_on)
1327 return;
1328 sc->sc_bl_on = on;
1329 if (on) {
1330 int level = sc->sc_bl_level;
1331
1332 sc->sc_bl_level = -1;
1333 voyagerfb_set_backlight(sc, level);
1334 } else {
1335 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0);
1336 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0);
1337 }
1338 }
1339
1340
1341 static void
1342 voyagerfb_brightness_up(device_t dev)
1343 {
1344 struct voyagerfb_softc *sc = device_private(dev);
1345
1346 voyagerfb_set_backlight(sc, sc->sc_bl_level + 8);
1347 }
1348
1349 static void
1350 voyagerfb_brightness_down(device_t dev)
1351 {
1352 struct voyagerfb_softc *sc = device_private(dev);
1353
1354 voyagerfb_set_backlight(sc, sc->sc_bl_level - 8);
1355 }
1356
1357 static int
1358 voyagerfb_set_curpos(struct voyagerfb_softc *sc, int x, int y)
1359 {
1360 uint32_t val;
1361 int xx, yy;
1362
1363 sc->sc_cur_x = x;
1364 sc->sc_cur_y = y;
1365
1366 xx = x - sc->sc_hot_x;
1367 yy = y - sc->sc_hot_y;
1368
1369 if (xx < 0) xx = abs(xx) | 0x800;
1370 if (yy < 0) yy = abs(yy) | 0x800;
1371
1372 val = (xx & 0xffff) | (yy << 16);
1373 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, val);
1374
1375 return 0;
1376 }
1377
1378 static int
1379 voyagerfb_gcursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur)
1380 {
1381 /* do nothing for now */
1382 return 0;
1383 }
1384
1385 static int
1386 voyagerfb_scursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur)
1387 {
1388 if (cur->which & WSDISPLAY_CURSOR_DOCUR) {
1389
1390 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1391 SM502_PANEL_CRSR_ADDR,
1392 sc->sc_cursor_addr | (cur->enable ? SM502_CRSR_ENABLE : 0));
1393 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr);
1394 }
1395 if (cur->which & WSDISPLAY_CURSOR_DOHOT) {
1396
1397 sc->sc_hot_x = cur->hot.x;
1398 sc->sc_hot_y = cur->hot.y;
1399 }
1400 if (cur->which & WSDISPLAY_CURSOR_DOPOS) {
1401
1402 voyagerfb_set_curpos(sc, cur->pos.x, cur->pos.y);
1403 }
1404 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) {
1405 int i, idx;
1406 uint32_t val;
1407
1408 for (i = 0; i < cur->cmap.count; i++) {
1409 val = ((cur->cmap.red[i] & 0xf8) << 8) |
1410 ((cur->cmap.green[i] & 0xfc) << 3) |
1411 ((cur->cmap.blue[i] & 0xf8) >> 3);
1412 idx = i + cur->cmap.index;
1413 bus_space_write_2(sc->sc_memt, sc->sc_regh,
1414 SM502_PANEL_CRSR_COL12 + (idx << 1),
1415 val);
1416 /*
1417 * if userland doesn't try to set the 3rd colour we
1418 * assume it expects an X11-style 2 colour cursor
1419 * X should be our main user anyway
1420 */
1421 if ((idx == 1) &&
1422 ((cur->cmap.count + cur->cmap.index) < 3)) {
1423 bus_space_write_2(sc->sc_memt, sc->sc_regh,
1424 SM502_PANEL_CRSR_COL3,
1425 val);
1426 }
1427 DPRINTF("%s: %d %04x\n", __func__, i + cur->cmap.index,
1428 val);
1429 }
1430 }
1431 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) {
1432
1433 int i, j, cnt = 0;
1434 uint32_t latch = 0, omask;
1435 uint8_t imask;
1436 DPRINTF("%s: %d %d\n", __func__, cur->size.x, cur->size.y);
1437 for (i = 0; i < 256; i++) {
1438 omask = 0x00000001;
1439 imask = 0x01;
1440 cur->image[cnt] &= cur->mask[cnt];
1441 for (j = 0; j < 8; j++) {
1442 if (cur->mask[cnt] & imask)
1443 latch |= omask;
1444 omask <<= 1;
1445 if (cur->image[cnt] & imask)
1446 latch |= omask;
1447 omask <<= 1;
1448 imask <<= 1;
1449 }
1450 cnt++;
1451 imask = 0x01;
1452 cur->image[cnt] &= cur->mask[cnt];
1453 for (j = 0; j < 8; j++) {
1454 if (cur->mask[cnt] & imask)
1455 latch |= omask;
1456 omask <<= 1;
1457 if (cur->image[cnt] & imask)
1458 latch |= omask;
1459 omask <<= 1;
1460 imask <<= 1;
1461 }
1462 cnt++;
1463 sc->sc_cursor[i] = latch;
1464 latch = 0;
1465 }
1466 }
1467 return 0;
1468 }
1469