voyagerfb.c revision 1.29 1 /* $NetBSD: voyagerfb.c,v 1.29 2018/01/19 23:37:36 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 1.29 2018/01/19 23:37:36 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 /*
273 * XXX yeah, casting the fb address to uint32_t is formally wrong
274 * but as far as I know there are no SM502 with 64bit BARs
275 */
276 aprint_normal_dev(self, "%d MB video memory at 0x%08x\n",
277 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb);
278
279 /* init engine here */
280 voyagerfb_init(sc);
281
282 aprint_normal_dev(self, "%d x %d, %d bit, stride %d\n",
283 sc->sc_width, sc->sc_height, sc->sc_depth, sc->sc_stride);
284
285 sc->sc_defaultscreen_descr = (struct wsscreen_descr){
286 "default",
287 0, 0,
288 NULL,
289 8, 16,
290 WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE |
291 WSSCREEN_RESIZE,
292 NULL
293 };
294 sc->sc_screens[0] = &sc->sc_defaultscreen_descr;
295 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
296 sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
297 sc->sc_locked = 0;
298
299 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr,
300 &voyagerfb_accessops);
301 sc->vd.init_screen = voyagerfb_init_screen;
302 sc->vd.show_screen_cookie = &sc->sc_gc;
303 sc->vd.show_screen_cb = glyphcache_adapt;
304
305 /* backlight control */
306 voyagerfb_setup_backlight(sc);
307
308 ri = &sc->sc_console_screen.scr_ri;
309
310 sc->sc_gc.gc_bitblt = voyagerfb_bitblt;
311 sc->sc_gc.gc_blitcookie = sc;
312 sc->sc_gc.gc_rop = ROP_COPY;
313 if (is_console) {
314 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
315 &defattr);
316 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
317
318 sc->sc_defaultscreen_descr.textops = &ri->ri_ops;
319 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps;
320 sc->sc_defaultscreen_descr.nrows = ri->ri_rows;
321 sc->sc_defaultscreen_descr.ncols = ri->ri_cols;
322 } else {
323 if (sc->sc_console_screen.scr_ri.ri_rows == 0) {
324 /* do some minimal setup to avoid weirdness later */
325 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
326 &defattr);
327 } else
328 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
329 }
330 glyphcache_init(&sc->sc_gc, sc->sc_height,
331 (sc->sc_fbsize / sc->sc_stride) - sc->sc_height,
332 sc->sc_width,
333 ri->ri_font->fontwidth,
334 ri->ri_font->fontheight,
335 defattr);
336 if (is_console)
337 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
338 defattr);
339
340 rasops_get_cmap(ri, cmap, sizeof(cmap));
341 j = 0;
342 if (sc->sc_depth <= 8) {
343 for (i = 0; i < 256; i++) {
344
345 sc->sc_cmap_red[i] = cmap[j];
346 sc->sc_cmap_green[i] = cmap[j + 1];
347 sc->sc_cmap_blue[i] = cmap[j + 2];
348 voyagerfb_putpalreg(sc, i, cmap[j], cmap[j + 1],
349 cmap[j + 2]);
350 j += 3;
351 }
352 }
353
354 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height,
355 ri->ri_devcmap[(defattr >> 16) & 0xff]);
356
357 if (is_console)
358 vcons_replay_msgbuf(&sc->sc_console_screen);
359
360 aa.console = is_console;
361 aa.scrdata = &sc->sc_screenlist;
362 aa.accessops = &voyagerfb_accessops;
363 aa.accesscookie = &sc->vd;
364
365 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
366 }
367
368 static int
369 voyagerfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
370 struct lwp *l)
371 {
372 struct vcons_data *vd = v;
373 struct voyagerfb_softc *sc = vd->cookie;
374 struct wsdisplay_fbinfo *wdf;
375 struct vcons_screen *ms = vd->active;
376 struct wsdisplay_param *param;
377
378 switch (cmd) {
379 case WSDISPLAYIO_GTYPE:
380 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
381 return 0;
382
383 /* PCI config read/write pass through. */
384 case PCI_IOC_CFGREAD:
385 case PCI_IOC_CFGWRITE:
386 return pci_devioctl(sc->sc_pc, sc->sc_pcitag,
387 cmd, data, flag, l);
388
389 case WSDISPLAYIO_GET_BUSID:
390 return wsdisplayio_busid_pci(device_parent(sc->sc_dev),
391 sc->sc_pc, sc->sc_pcitag, data);
392
393 case WSDISPLAYIO_GINFO:
394 if (ms == NULL)
395 return ENODEV;
396 wdf = (void *)data;
397 wdf->height = ms->scr_ri.ri_height;
398 wdf->width = ms->scr_ri.ri_width;
399 wdf->depth = 32;
400 wdf->cmsize = 256;
401 return 0;
402
403 case WSDISPLAYIO_GETCMAP:
404 return voyagerfb_getcmap(sc,
405 (struct wsdisplay_cmap *)data);
406
407 case WSDISPLAYIO_PUTCMAP:
408 return voyagerfb_putcmap(sc,
409 (struct wsdisplay_cmap *)data);
410
411 case WSDISPLAYIO_LINEBYTES:
412 *(u_int *)data = sc->sc_stride;
413 return 0;
414
415 case WSDISPLAYIO_SMODE: {
416 int new_mode = *(int*)data;
417 if (new_mode != sc->sc_mode) {
418 sc->sc_mode = new_mode;
419 if(new_mode == WSDISPLAYIO_MODE_EMUL) {
420 #ifdef VOYAGERFB_DEPTH_32
421 sc->sc_depth = 32;
422 #else
423 sc->sc_depth = 8;
424 #endif
425 glyphcache_wipe(&sc->sc_gc);
426 voyagerfb_init(sc);
427 voyagerfb_restore_palette(sc);
428 vcons_redraw_screen(ms);
429 } else {
430 sc->sc_depth = 32;
431 voyagerfb_init(sc);
432 }
433 }
434 }
435 return 0;
436
437 case WSDISPLAYIO_GVIDEO:
438 *(int *)data = sc->sc_bl_on ? WSDISPLAYIO_VIDEO_ON :
439 WSDISPLAYIO_VIDEO_OFF;
440 return 0;
441
442 case WSDISPLAYIO_SVIDEO: {
443 int new_bl = *(int *)data;
444
445 voyagerfb_switch_backlight(sc, new_bl);
446 }
447 return 0;
448
449 case WSDISPLAYIO_GETPARAM:
450 param = (struct wsdisplay_param *)data;
451 switch (param->param) {
452 case WSDISPLAYIO_PARAM_BRIGHTNESS:
453 param->min = 0;
454 param->max = 255;
455 param->curval = sc->sc_bl_level;
456 return 0;
457 case WSDISPLAYIO_PARAM_BACKLIGHT:
458 param->min = 0;
459 param->max = 1;
460 param->curval = sc->sc_bl_on;
461 return 0;
462 }
463 return EPASSTHROUGH;
464
465 case WSDISPLAYIO_SETPARAM:
466 param = (struct wsdisplay_param *)data;
467 switch (param->param) {
468 case WSDISPLAYIO_PARAM_BRIGHTNESS:
469 voyagerfb_set_backlight(sc, param->curval);
470 return 0;
471 case WSDISPLAYIO_PARAM_BACKLIGHT:
472 voyagerfb_switch_backlight(sc, param->curval);
473 return 0;
474 }
475 return EPASSTHROUGH;
476
477 case WSDISPLAYIO_GCURPOS:
478 {
479 struct wsdisplay_curpos *pos;
480
481 pos = (struct wsdisplay_curpos *)data;
482 pos->x = sc->sc_cur_x;
483 pos->y = sc->sc_cur_y;
484 }
485 return 0;
486
487 case WSDISPLAYIO_SCURPOS:
488 {
489 struct wsdisplay_curpos *pos;
490
491 pos = (struct wsdisplay_curpos *)data;
492 voyagerfb_set_curpos(sc, pos->x, pos->y);
493 }
494 return 0;
495
496 case WSDISPLAYIO_GCURMAX:
497 {
498 struct wsdisplay_curpos *pos;
499
500 pos = (struct wsdisplay_curpos *)data;
501 pos->x = 64;
502 pos->y = 64;
503 }
504 return 0;
505
506 case WSDISPLAYIO_GCURSOR:
507 {
508 struct wsdisplay_cursor *cu;
509
510 cu = (struct wsdisplay_cursor *)data;
511 return voyagerfb_gcursor(sc, cu);
512 }
513
514 case WSDISPLAYIO_SCURSOR:
515 {
516 struct wsdisplay_cursor *cu;
517
518 cu = (struct wsdisplay_cursor *)data;
519 return voyagerfb_scursor(sc, cu);
520 }
521
522 case WSDISPLAYIO_GET_FBINFO:
523 {
524 struct wsdisplayio_fbinfo *fbi = data;
525 return wsdisplayio_get_fbinfo(&ms->scr_ri, fbi);
526 }
527 }
528 return EPASSTHROUGH;
529 }
530
531 static paddr_t
532 voyagerfb_mmap(void *v, void *vs, off_t offset, int prot)
533 {
534 struct vcons_data *vd = v;
535 struct voyagerfb_softc *sc = vd->cookie;
536 paddr_t pa;
537
538 /* 'regular' framebuffer mmap()ing */
539 if (offset < sc->sc_fbsize) {
540 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot,
541 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE);
542 return pa;
543 }
544
545 /*
546 * restrict all other mappings to processes with privileges
547 */
548 if (kauth_authorize_machdep(kauth_cred_get(),
549 KAUTH_MACHDEP_UNMANAGEDMEM, NULL, NULL, NULL, NULL) != 0) {
550 aprint_normal("%s: mmap() rejected.\n",
551 device_xname(sc->sc_dev));
552 return -1;
553 }
554
555 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) {
556 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
557 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE);
558 return pa;
559 }
560
561 if ((offset >= sc->sc_reg) &&
562 (offset < (sc->sc_reg + sc->sc_regsize))) {
563 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 0);
564 return pa;
565 }
566
567 return -1;
568 }
569
570 static void
571 voyagerfb_init_screen(void *cookie, struct vcons_screen *scr,
572 int existing, long *defattr)
573 {
574 struct voyagerfb_softc *sc = cookie;
575 struct rasops_info *ri = &scr->scr_ri;
576
577 ri->ri_depth = sc->sc_depth;
578 ri->ri_width = sc->sc_width;
579 ri->ri_height = sc->sc_height;
580 ri->ri_stride = sc->sc_stride;
581 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
582
583 ri->ri_bits = (char *)sc->sc_fbaddr;
584
585 if (existing) {
586 ri->ri_flg |= RI_CLEAR;
587 }
588
589 if (sc->sc_depth == 8) {
590 ri->ri_flg |= RI_8BIT_IS_RGB;
591 #ifdef VOYAGERFB_ANTIALIAS
592 ri->ri_flg |= RI_ENABLE_ALPHA | RI_PREFER_ALPHA;
593 #endif
594 }
595 if (sc->sc_depth == 32) {
596 #ifdef VOYAGERFB_ANTIALIAS
597 ri->ri_flg |= RI_ENABLE_ALPHA;
598 #endif
599 /* we always run in RGB */
600 ri->ri_rnum = 8;
601 ri->ri_gnum = 8;
602 ri->ri_bnum = 8;
603 ri->ri_rpos = 16;
604 ri->ri_gpos = 8;
605 ri->ri_bpos = 0;
606 }
607
608 scr->scr_flags |= VCONS_LOADFONT;
609
610 rasops_init(ri, 0, 0);
611 ri->ri_caps = WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_UNDERLINE |
612 WSSCREEN_RESIZE;
613
614 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
615 sc->sc_width / ri->ri_font->fontwidth);
616
617 ri->ri_hw = scr;
618 ri->ri_ops.copyrows = voyagerfb_copyrows;
619 ri->ri_ops.copycols = voyagerfb_copycols;
620 ri->ri_ops.eraserows = voyagerfb_eraserows;
621 ri->ri_ops.erasecols = voyagerfb_erasecols;
622 ri->ri_ops.cursor = voyagerfb_cursor;
623 if (FONT_IS_ALPHA(ri->ri_font)) {
624 switch (sc->sc_depth) {
625 case 32:
626 ri->ri_ops.putchar = voyagerfb_putchar_aa32;
627 break;
628 case 8:
629 ri->ri_ops.putchar = voyagerfb_putchar_aa8;
630 break;
631 default:
632 printf("alpha font at %d!?\n", sc->sc_depth);
633 }
634 } else
635 ri->ri_ops.putchar = voyagerfb_putchar_mono;
636 }
637
638 static int
639 voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm)
640 {
641 u_char *r, *g, *b;
642 u_int index = cm->index;
643 u_int count = cm->count;
644 int i, error;
645 u_char rbuf[256], gbuf[256], bbuf[256];
646
647 #ifdef VOYAGERFB_DEBUG
648 aprint_debug("putcmap: %d %d\n",index, count);
649 #endif
650 if (cm->index >= 256 || cm->count > 256 ||
651 (cm->index + cm->count) > 256)
652 return EINVAL;
653 error = copyin(cm->red, &rbuf[index], count);
654 if (error)
655 return error;
656 error = copyin(cm->green, &gbuf[index], count);
657 if (error)
658 return error;
659 error = copyin(cm->blue, &bbuf[index], count);
660 if (error)
661 return error;
662
663 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
664 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
665 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
666
667 r = &sc->sc_cmap_red[index];
668 g = &sc->sc_cmap_green[index];
669 b = &sc->sc_cmap_blue[index];
670
671 for (i = 0; i < count; i++) {
672 voyagerfb_putpalreg(sc, index, *r, *g, *b);
673 index++;
674 r++, g++, b++;
675 }
676 return 0;
677 }
678
679 static int
680 voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm)
681 {
682 u_int index = cm->index;
683 u_int count = cm->count;
684 int error;
685
686 if (index >= 255 || count > 256 || index + count > 256)
687 return EINVAL;
688
689 error = copyout(&sc->sc_cmap_red[index], cm->red, count);
690 if (error)
691 return error;
692 error = copyout(&sc->sc_cmap_green[index], cm->green, count);
693 if (error)
694 return error;
695 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
696 if (error)
697 return error;
698
699 return 0;
700 }
701
702 static void
703 voyagerfb_restore_palette(struct voyagerfb_softc *sc)
704 {
705 int i;
706
707 for (i = 0; i < 256; i++) {
708 voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i],
709 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]);
710 }
711 }
712
713 static int
714 voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r,
715 uint8_t g, uint8_t b)
716 {
717 uint32_t reg;
718
719 reg = (r << 16) | (g << 8) | b;
720 /* XXX we should probably write the CRT palette too */
721 bus_space_write_4(sc->sc_memt, sc->sc_regh,
722 SM502_PALETTE_PANEL + (idx << 2), reg);
723 return 0;
724 }
725
726 static void
727 voyagerfb_init(struct voyagerfb_softc *sc)
728 {
729 int reg;
730
731 voyagerfb_wait(sc);
732 /* disable colour compare */
733 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0);
734 /* allow writes to all planes */
735 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK,
736 0xffffffff);
737 /* disable clipping */
738 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0);
739 /* source and destination in local memory, no offset */
740 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0);
741 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0);
742 /* pitch is screen stride */
743 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH,
744 sc->sc_width | (sc->sc_width << 16));
745 /* window is screen width */
746 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH,
747 sc->sc_width | (sc->sc_width << 16));
748 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL);
749 reg &= ~SM502_PDC_DEPTH_MASK;
750
751 switch (sc->sc_depth) {
752 case 8:
753 bus_space_write_4(sc->sc_memt, sc->sc_regh,
754 SM502_STRETCH, SM502_STRETCH_8BIT);
755 sc->sc_stride = sc->sc_width;
756 reg |= SM502_PDC_8BIT;
757 break;
758 case 16:
759 bus_space_write_4(sc->sc_memt, sc->sc_regh,
760 SM502_STRETCH, SM502_STRETCH_16BIT);
761 sc->sc_stride = sc->sc_width << 1;
762 reg |= SM502_PDC_16BIT;
763 break;
764 case 24:
765 case 32:
766 bus_space_write_4(sc->sc_memt, sc->sc_regh,
767 SM502_STRETCH, SM502_STRETCH_32BIT);
768 sc->sc_stride = sc->sc_width << 2;
769 reg |= SM502_PDC_32BIT;
770 break;
771 }
772 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_FB_OFFSET,
773 (sc->sc_stride << 16) | sc->sc_stride);
774
775 /* clear the screen... */
776 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 0);
777
778 /* ...and then switch colour depth. For aesthetic reasons. */
779 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL,
780 reg);
781
782 /* put the cursor at the end of video memory */
783 sc->sc_cursor_addr = 16 * 1024 * 1024 - 16 * 64; /* XXX */
784 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr);
785 sc->sc_cursor = (uint32_t *)((uint8_t *)bus_space_vaddr(sc->sc_memt,
786 sc->sc_fbh) + sc->sc_cursor_addr);
787 #ifdef VOYAGERFB_DEBUG
788 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY,
789 0x00100010);
790 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL12,
791 0x0000ffff);
792 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL3,
793 0x0000f800);
794 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR,
795 SM502_CRSR_ENABLE | sc->sc_cursor_addr);
796 sc->sc_cursor[0] = 0x00000000;
797 sc->sc_cursor[1] = 0x00000000;
798 sc->sc_cursor[2] = 0xffffffff;
799 sc->sc_cursor[3] = 0xffffffff;
800 sc->sc_cursor[4] = 0xaaaaaaaa;
801 sc->sc_cursor[5] = 0xaaaaaaaa;
802 sc->sc_cursor[6] = 0xffffffff;
803 sc->sc_cursor[7] = 0x00000000;
804 #else
805 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR,
806 sc->sc_cursor_addr);
807 #endif
808 }
809
810 static void
811 voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he,
812 uint32_t colour)
813 {
814
815 voyagerfb_ready(sc);
816 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL,
817 ROP_COPY |
818 SM502_CTRL_USE_ROP2 |
819 SM502_CTRL_CMD_RECTFILL |
820 SM502_CTRL_QUICKSTART_E);
821 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND,
822 colour);
823 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST,
824 (x << 16) | y);
825 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
826 (wi << 16) | he);
827 }
828
829 static void
830 voyagerfb_bitblt(void *cookie, int xs, int ys, int xd, int yd,
831 int wi, int he, int rop)
832 {
833 struct voyagerfb_softc *sc = cookie;
834 uint32_t cmd;
835
836 cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT |
837 SM502_CTRL_QUICKSTART_E;
838
839 voyagerfb_ready(sc);
840
841 if (xd <= xs) {
842 /* left to right */
843 } else {
844 /*
845 * According to the manual this flag reverses only the blitter's
846 * X direction. At least on my Gdium it also reverses the Y
847 * direction
848 */
849 cmd |= SM502_CTRL_R_TO_L;
850 xs += wi - 1;
851 xd += wi - 1;
852 ys += he - 1;
853 yd += he - 1;
854 }
855
856 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
857 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC,
858 (xs << 16) | ys);
859 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST,
860 (xd << 16) | yd);
861 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
862 (wi << 16) | he);
863 }
864
865 static void
866 voyagerfb_cursor(void *cookie, int on, int row, int col)
867 {
868 struct rasops_info *ri = cookie;
869 struct vcons_screen *scr = ri->ri_hw;
870 struct voyagerfb_softc *sc = scr->scr_cookie;
871 int x, y, wi, he;
872
873 wi = ri->ri_font->fontwidth;
874 he = ri->ri_font->fontheight;
875
876 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
877 x = ri->ri_ccol * wi + ri->ri_xorigin;
878 y = ri->ri_crow * he + ri->ri_yorigin;
879 if (ri->ri_flg & RI_CURSOR) {
880 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT);
881 ri->ri_flg &= ~RI_CURSOR;
882 }
883 ri->ri_crow = row;
884 ri->ri_ccol = col;
885 if (on) {
886 x = ri->ri_ccol * wi + ri->ri_xorigin;
887 y = ri->ri_crow * he + ri->ri_yorigin;
888 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT);
889 ri->ri_flg |= RI_CURSOR;
890 }
891 } else {
892 scr->scr_ri.ri_crow = row;
893 scr->scr_ri.ri_ccol = col;
894 scr->scr_ri.ri_flg &= ~RI_CURSOR;
895 }
896
897 }
898
899 static inline void
900 voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len)
901 {
902 uint32_t *port = (uint32_t *)sc->sc_dataport;
903 int i;
904
905 for (i = 0; i < ((len + 3) & 0xfffc); i++) {
906 *port = *data;
907 data++;
908 }
909 }
910
911 static inline void
912 voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len)
913 {
914 uint32_t *port = (uint32_t *)sc->sc_dataport;
915 int i;
916
917 len = len << 1;
918 for (i = 0; i < ((len + 1) & 0xfffe); i++) {
919 *port = *data;
920 data++;
921 }
922 }
923
924 static void
925 voyagerfb_putchar_mono(void *cookie, int row, int col, u_int c, long attr)
926 {
927 struct rasops_info *ri = cookie;
928 struct wsdisplay_font *font = PICK_FONT(ri, c);
929 struct vcons_screen *scr = ri->ri_hw;
930 struct voyagerfb_softc *sc = scr->scr_cookie;
931 uint32_t cmd;
932 int fg, bg;
933 uint8_t *data;
934 int x, y, wi, he;
935
936 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL)
937 return;
938
939 if (!CHAR_IN_FONT(c, font))
940 return;
941
942 wi = font->fontwidth;
943 he = font->fontheight;
944
945 bg = ri->ri_devcmap[(attr >> 16) & 0x0f];
946 fg = ri->ri_devcmap[(attr >> 24) & 0x0f];
947 x = ri->ri_xorigin + col * wi;
948 y = ri->ri_yorigin + row * he;
949 if (c == 0x20) {
950 voyagerfb_rectfill(sc, x, y, wi, he, bg);
951 return;
952 }
953
954 data = WSFONT_GLYPH(c, font);
955
956 cmd = ROP_COPY |
957 SM502_CTRL_USE_ROP2 |
958 SM502_CTRL_CMD_HOSTWRT |
959 SM502_CTRL_HOSTBLT_MONO |
960 SM502_CTRL_QUICKSTART_E |
961 SM502_CTRL_MONO_PACK_32BIT;
962 voyagerfb_ready(sc);
963 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
964 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, fg);
965 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_BACKGROUND, bg);
966 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0);
967 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y);
968 bus_space_write_4(sc->sc_memt, sc->sc_regh,
969 SM502_DIMENSION, (wi << 16) | he);
970 /* now feed the data, padded to 32bit */
971 switch (ri->ri_font->stride) {
972 case 1:
973 voyagerfb_feed8(sc, data, ri->ri_fontscale);
974 break;
975 case 2:
976 voyagerfb_feed16(sc, (uint16_t *)data,
977 ri->ri_fontscale);
978 break;
979 }
980 }
981
982 static void
983 voyagerfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr)
984 {
985 struct rasops_info *ri = cookie;
986 struct wsdisplay_font *font = PICK_FONT(ri, c);
987 struct vcons_screen *scr = ri->ri_hw;
988 struct voyagerfb_softc *sc = scr->scr_cookie;
989 uint32_t cmd;
990 int fg, bg;
991 uint8_t *data;
992 int x, y, wi, he;
993 int i, j, r, g, b, aval, pad;
994 int rf, gf, bf, rb, gb, bb;
995 uint32_t pixel;
996 int rv;
997
998 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL)
999 return;
1000
1001 if (!CHAR_IN_FONT(c, font))
1002 return;
1003
1004 wi = font->fontwidth;
1005 he = font->fontheight;
1006
1007 bg = ri->ri_devcmap[(attr >> 16) & 0x0f];
1008 fg = ri->ri_devcmap[(attr >> 24) & 0x0f];
1009 x = ri->ri_xorigin + col * wi;
1010 y = ri->ri_yorigin + row * he;
1011 if (c == 0x20) {
1012 voyagerfb_rectfill(sc, x, y, wi, he, bg);
1013 return;
1014 }
1015
1016 data = WSFONT_GLYPH(c, font);
1017 /*
1018 * we can't accelerate the actual alpha blending but
1019 * we can at least use a host blit to go through the
1020 * pipeline instead of having to sync the engine
1021 */
1022
1023 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr);
1024 if (rv == GC_OK)
1025 return;
1026
1027 cmd = ROP_COPY |
1028 SM502_CTRL_USE_ROP2 |
1029 SM502_CTRL_CMD_HOSTWRT |
1030 SM502_CTRL_QUICKSTART_E;
1031 voyagerfb_ready(sc);
1032 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
1033 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0);
1034 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y);
1035 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
1036 (wi << 16) | he);
1037 rf = (fg >> 16) & 0xff;
1038 rb = (bg >> 16) & 0xff;
1039 gf = (fg >> 8) & 0xff;
1040 gb = (bg >> 8) & 0xff;
1041 bf = fg & 0xff;
1042 bb = bg & 0xff;
1043 pad = wi & 1;
1044 for (i = 0; i < he; i++) {
1045 for (j = 0; j < wi; j++) {
1046 aval = *data;
1047 data++;
1048 if (aval == 0) {
1049 pixel = bg;
1050 } else if (aval == 255) {
1051 pixel = fg;
1052 } else {
1053 r = aval * rf + (255 - aval) * rb;
1054 g = aval * gf + (255 - aval) * gb;
1055 b = aval * bf + (255 - aval) * bb;
1056 pixel = (r & 0xff00) << 8 |
1057 (g & 0xff00) |
1058 (b & 0xff00) >> 8;
1059 }
1060 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1061 SM502_DATAPORT, pixel);
1062 }
1063 if (pad)
1064 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1065 SM502_DATAPORT, 0);
1066 }
1067 if (rv == GC_ADD) {
1068 glyphcache_add(&sc->sc_gc, c, x, y);
1069 }
1070 }
1071
1072 static void
1073 voyagerfb_putchar_aa8(void *cookie, int row, int col, u_int c, long attr)
1074 {
1075 struct rasops_info *ri = cookie;
1076 struct wsdisplay_font *font = PICK_FONT(ri, c);
1077 struct vcons_screen *scr = ri->ri_hw;
1078 struct voyagerfb_softc *sc = scr->scr_cookie;
1079 uint32_t cmd;
1080 int bg;
1081 uint8_t *data;
1082 int x, y, wi, he;
1083 int i, j, r, g, b, aval, pad;
1084 int r1, g1, b1, r0, g0, b0, fgo, bgo;
1085 uint32_t pixel = 0, latch = 0, bg8, fg8;
1086 int rv;
1087
1088 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL)
1089 return;
1090
1091 if (!CHAR_IN_FONT(c, font))
1092 return;
1093
1094 wi = font->fontwidth;
1095 he = font->fontheight;
1096
1097 bg = ri->ri_devcmap[(attr >> 16) & 0x0f];
1098 x = ri->ri_xorigin + col * wi;
1099 y = ri->ri_yorigin + row * he;
1100 if (c == 0x20) {
1101 voyagerfb_rectfill(sc, x, y, wi, he, bg);
1102 return;
1103 }
1104
1105 data = WSFONT_GLYPH(c, font);
1106 /*
1107 * we can't accelerate the actual alpha blending but
1108 * we can at least use a host blit to go through the
1109 * pipeline instead of having to sync the engine
1110 */
1111
1112 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr);
1113 if (rv == GC_OK)
1114 return;
1115
1116 cmd = ROP_COPY |
1117 SM502_CTRL_USE_ROP2 |
1118 SM502_CTRL_CMD_HOSTWRT |
1119 SM502_CTRL_QUICKSTART_E;
1120 voyagerfb_ready(sc);
1121 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
1122 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0);
1123 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y);
1124 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
1125 (wi << 16) | he);
1126
1127 /*
1128 * we need the RGB colours here, so get offsets into rasops_cmap
1129 */
1130 fgo = ((attr >> 24) & 0xf) * 3;
1131 bgo = ((attr >> 16) & 0xf) * 3;
1132
1133 r0 = rasops_cmap[bgo];
1134 r1 = rasops_cmap[fgo];
1135 g0 = rasops_cmap[bgo + 1];
1136 g1 = rasops_cmap[fgo + 1];
1137 b0 = rasops_cmap[bgo + 2];
1138 b1 = rasops_cmap[fgo + 2];
1139 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6))
1140 bg8 = R3G3B2(r0, g0, b0);
1141 fg8 = R3G3B2(r1, g1, b1);
1142
1143 pad = wi & 4;
1144 for (i = 0; i < he; i++) {
1145 for (j = 0; j < wi; j++) {
1146 aval = *data;
1147 data++;
1148 if (aval == 0) {
1149 pixel = bg8;
1150 } else if (aval == 255) {
1151 pixel = fg8;
1152 } else {
1153 r = aval * r1 + (255 - aval) * r0;
1154 g = aval * g1 + (255 - aval) * g0;
1155 b = aval * b1 + (255 - aval) * b0;
1156 pixel = ((r & 0xe000) >> 8) |
1157 ((g & 0xe000) >> 11) |
1158 ((b & 0xc000) >> 14);
1159 }
1160 latch = (latch << 8) | pixel;
1161 /* write in 32bit chunks */
1162 if ((j & 3) == 3) {
1163 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1164 SM502_DATAPORT, be32toh(latch));
1165 latch = 0;
1166 }
1167 }
1168 /* if we have pixels left in latch write them out */
1169 if ((j & 3) != 0) {
1170 latch = latch << ((4 - (i & 3)) << 3);
1171 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1172 SM502_DATAPORT, be32toh(latch));
1173 }
1174 if (pad)
1175 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1176 SM502_DATAPORT, 0);
1177 }
1178 if (rv == GC_ADD) {
1179 glyphcache_add(&sc->sc_gc, c, x, y);
1180 }
1181 }
1182
1183 static void
1184 voyagerfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1185 {
1186 struct rasops_info *ri = cookie;
1187 struct vcons_screen *scr = ri->ri_hw;
1188 struct voyagerfb_softc *sc = scr->scr_cookie;
1189 int32_t xs, xd, y, width, height;
1190
1191 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1192 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1193 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1194 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1195 width = ri->ri_font->fontwidth * ncols;
1196 height = ri->ri_font->fontheight;
1197 voyagerfb_bitblt(sc, xs, y, xd, y, width, height, ROP_COPY);
1198 }
1199 }
1200
1201 static void
1202 voyagerfb_erasecols(void *cookie, int row, int startcol, int ncols,
1203 long fillattr)
1204 {
1205 struct rasops_info *ri = cookie;
1206 struct vcons_screen *scr = ri->ri_hw;
1207 struct voyagerfb_softc *sc = scr->scr_cookie;
1208 int32_t x, y, width, height, fg, bg, ul;
1209
1210 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1211 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1212 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1213 width = ri->ri_font->fontwidth * ncols;
1214 height = ri->ri_font->fontheight;
1215 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
1216
1217 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
1218 }
1219 }
1220
1221 static void
1222 voyagerfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1223 {
1224 struct rasops_info *ri = cookie;
1225 struct vcons_screen *scr = ri->ri_hw;
1226 struct voyagerfb_softc *sc = scr->scr_cookie;
1227 int32_t x, ys, yd, width, height;
1228 int i;
1229
1230 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1231 x = ri->ri_xorigin;
1232 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1233 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1234 width = ri->ri_emuwidth;
1235 height = ri->ri_font->fontheight * nrows;
1236 if ((nrows > 1) && (dstrow > srcrow)) {
1237 /*
1238 * the blitter can't do bottom-up copies so we have
1239 * to copy line by line here
1240 * should probably use a command sequence
1241 */
1242 ys += (height - ri->ri_font->fontheight);
1243 yd += (height - ri->ri_font->fontheight);
1244 for (i = 0; i < nrows; i++) {
1245 voyagerfb_bitblt(sc, x, ys, x, yd, width,
1246 ri->ri_font->fontheight, ROP_COPY);
1247 ys -= ri->ri_font->fontheight;
1248 yd -= ri->ri_font->fontheight;
1249 }
1250 } else
1251 voyagerfb_bitblt(sc, x, ys, x, yd, width, height,
1252 ROP_COPY);
1253 }
1254 }
1255
1256 static void
1257 voyagerfb_eraserows(void *cookie, int row, int nrows, long fillattr)
1258 {
1259 struct rasops_info *ri = cookie;
1260 struct vcons_screen *scr = ri->ri_hw;
1261 struct voyagerfb_softc *sc = scr->scr_cookie;
1262 int32_t x, y, width, height, fg, bg, ul;
1263
1264 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1265 x = ri->ri_xorigin;
1266 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1267 width = ri->ri_emuwidth;
1268 height = ri->ri_font->fontheight * nrows;
1269 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
1270
1271 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
1272 }
1273 }
1274
1275 /* backlight control */
1276 static void
1277 voyagerfb_setup_backlight(struct voyagerfb_softc *sc)
1278 {
1279 /* switch the pin to gpio mode if it isn't already */
1280 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0);
1281 /* turn it on */
1282 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT);
1283 sc->sc_bl_on = 1;
1284 sc->sc_bl_level = 255;
1285 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP,
1286 voyagerfb_brightness_up, TRUE);
1287 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
1288 voyagerfb_brightness_down, TRUE);
1289 }
1290
1291 static void
1292 voyagerfb_set_backlight(struct voyagerfb_softc *sc, int level)
1293 {
1294
1295 /*
1296 * should we do nothing when backlight is off, should we just store the
1297 * level and use it when turning back on or should we just flip sc_bl_on
1298 * and turn the backlight on?
1299 * For now turn it on so a crashed screensaver can't get the user stuck
1300 * with a dark screen as long as hotkeys work
1301 */
1302 if (level > 255) level = 255;
1303 if (level < 0) level = 0;
1304 if (level == sc->sc_bl_level)
1305 return;
1306 sc->sc_bl_level = level;
1307 if (sc->sc_bl_on == 0)
1308 sc->sc_bl_on = 1;
1309 /* and here we would actually muck with the hardware */
1310 if ((level == 0) || (level == 255)) {
1311 /* in these cases bypass the PWM and use the gpio */
1312 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0);
1313 if (level == 0) {
1314 voyager_write_gpio(sc->sc_gpio_cookie,
1315 ~GPIO_BACKLIGHT, 0);
1316 } else {
1317 voyager_write_gpio(sc->sc_gpio_cookie,
1318 0xffffffff, GPIO_BACKLIGHT);
1319 }
1320 } else {
1321 uint32_t pwm;
1322
1323 pwm = voyager_set_pwm(20000, level * 1000 / 256);
1324 pwm |= SM502_PWM_ENABLE;
1325 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PWM0, pwm);
1326
1327 /* let the PWM take over */
1328 voyager_control_gpio(sc->sc_gpio_cookie,
1329 0xffffffff, GPIO_BACKLIGHT);
1330 }
1331 }
1332
1333 static void
1334 voyagerfb_switch_backlight(struct voyagerfb_softc *sc, int on)
1335 {
1336
1337 if (on == sc->sc_bl_on)
1338 return;
1339 sc->sc_bl_on = on;
1340 if (on) {
1341 int level = sc->sc_bl_level;
1342
1343 sc->sc_bl_level = -1;
1344 voyagerfb_set_backlight(sc, level);
1345 } else {
1346 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0);
1347 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0);
1348 }
1349 }
1350
1351
1352 static void
1353 voyagerfb_brightness_up(device_t dev)
1354 {
1355 struct voyagerfb_softc *sc = device_private(dev);
1356
1357 voyagerfb_set_backlight(sc, sc->sc_bl_level + 8);
1358 }
1359
1360 static void
1361 voyagerfb_brightness_down(device_t dev)
1362 {
1363 struct voyagerfb_softc *sc = device_private(dev);
1364
1365 voyagerfb_set_backlight(sc, sc->sc_bl_level - 8);
1366 }
1367
1368 static int
1369 voyagerfb_set_curpos(struct voyagerfb_softc *sc, int x, int y)
1370 {
1371 uint32_t val;
1372 int xx, yy;
1373
1374 sc->sc_cur_x = x;
1375 sc->sc_cur_y = y;
1376
1377 xx = x - sc->sc_hot_x;
1378 yy = y - sc->sc_hot_y;
1379
1380 if (xx < 0) xx = abs(xx) | 0x800;
1381 if (yy < 0) yy = abs(yy) | 0x800;
1382
1383 val = (xx & 0xffff) | (yy << 16);
1384 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, val);
1385
1386 return 0;
1387 }
1388
1389 static int
1390 voyagerfb_gcursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur)
1391 {
1392 /* do nothing for now */
1393 return 0;
1394 }
1395
1396 static int
1397 voyagerfb_scursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur)
1398 {
1399 if (cur->which & WSDISPLAY_CURSOR_DOCUR) {
1400
1401 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1402 SM502_PANEL_CRSR_ADDR,
1403 sc->sc_cursor_addr | (cur->enable ? SM502_CRSR_ENABLE : 0));
1404 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr);
1405 }
1406 if (cur->which & WSDISPLAY_CURSOR_DOHOT) {
1407
1408 sc->sc_hot_x = cur->hot.x;
1409 sc->sc_hot_y = cur->hot.y;
1410 }
1411 if (cur->which & WSDISPLAY_CURSOR_DOPOS) {
1412
1413 voyagerfb_set_curpos(sc, cur->pos.x, cur->pos.y);
1414 }
1415 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) {
1416 int i, idx;
1417 uint32_t val;
1418
1419 for (i = 0; i < cur->cmap.count; i++) {
1420 val = ((cur->cmap.red[i] & 0xf8) << 8) |
1421 ((cur->cmap.green[i] & 0xfc) << 3) |
1422 ((cur->cmap.blue[i] & 0xf8) >> 3);
1423 idx = i + cur->cmap.index;
1424 bus_space_write_2(sc->sc_memt, sc->sc_regh,
1425 SM502_PANEL_CRSR_COL12 + (idx << 1),
1426 val);
1427 /*
1428 * if userland doesn't try to set the 3rd colour we
1429 * assume it expects an X11-style 2 colour cursor
1430 * X should be our main user anyway
1431 */
1432 if ((idx == 1) &&
1433 ((cur->cmap.count + cur->cmap.index) < 3)) {
1434 bus_space_write_2(sc->sc_memt, sc->sc_regh,
1435 SM502_PANEL_CRSR_COL3,
1436 val);
1437 }
1438 DPRINTF("%s: %d %04x\n", __func__, i + cur->cmap.index,
1439 val);
1440 }
1441 }
1442 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) {
1443
1444 int i, j, cnt = 0;
1445 uint32_t latch = 0, omask;
1446 uint8_t imask;
1447 DPRINTF("%s: %d %d\n", __func__, cur->size.x, cur->size.y);
1448 for (i = 0; i < 256; i++) {
1449 omask = 0x00000001;
1450 imask = 0x01;
1451 cur->image[cnt] &= cur->mask[cnt];
1452 for (j = 0; j < 8; j++) {
1453 if (cur->mask[cnt] & imask)
1454 latch |= omask;
1455 omask <<= 1;
1456 if (cur->image[cnt] & imask)
1457 latch |= omask;
1458 omask <<= 1;
1459 imask <<= 1;
1460 }
1461 cnt++;
1462 imask = 0x01;
1463 cur->image[cnt] &= cur->mask[cnt];
1464 for (j = 0; j < 8; j++) {
1465 if (cur->mask[cnt] & imask)
1466 latch |= omask;
1467 omask <<= 1;
1468 if (cur->image[cnt] & imask)
1469 latch |= omask;
1470 omask <<= 1;
1471 imask <<= 1;
1472 }
1473 cnt++;
1474 sc->sc_cursor[i] = latch;
1475 latch = 0;
1476 }
1477 }
1478 return 0;
1479 }
1480