voyagerfb.c revision 1.22.2.1 1 /* $NetBSD: voyagerfb.c,v 1.22.2.1 2013/06/23 06:20:21 tls 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 1.22.2.1 2013/06/23 06:20:21 tls 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 }
325 }
326 glyphcache_init(&sc->sc_gc, sc->sc_height,
327 (sc->sc_fbsize / sc->sc_stride) - sc->sc_height,
328 sc->sc_width,
329 ri->ri_font->fontwidth,
330 ri->ri_font->fontheight,
331 defattr);
332 if (is_console)
333 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
334 defattr);
335
336 rasops_get_cmap(ri, cmap, sizeof(cmap));
337 j = 0;
338 if (sc->sc_depth <= 8) {
339 for (i = 0; i < 256; i++) {
340
341 sc->sc_cmap_red[i] = cmap[j];
342 sc->sc_cmap_green[i] = cmap[j + 1];
343 sc->sc_cmap_blue[i] = cmap[j + 2];
344 voyagerfb_putpalreg(sc, i, cmap[j], cmap[j + 1],
345 cmap[j + 2]);
346 j += 3;
347 }
348 }
349
350 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height,
351 ri->ri_devcmap[(defattr >> 16) & 0xff]);
352
353 if (is_console)
354 vcons_replay_msgbuf(&sc->sc_console_screen);
355
356 aa.console = is_console;
357 aa.scrdata = &sc->sc_screenlist;
358 aa.accessops = &voyagerfb_accessops;
359 aa.accesscookie = &sc->vd;
360
361 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
362 }
363
364 static int
365 voyagerfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
366 struct lwp *l)
367 {
368 struct vcons_data *vd = v;
369 struct voyagerfb_softc *sc = vd->cookie;
370 struct wsdisplay_fbinfo *wdf;
371 struct vcons_screen *ms = vd->active;
372 struct wsdisplay_param *param;
373
374 switch (cmd) {
375 case WSDISPLAYIO_GTYPE:
376 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
377 return 0;
378
379 /* PCI config read/write pass through. */
380 case PCI_IOC_CFGREAD:
381 case PCI_IOC_CFGWRITE:
382 return pci_devioctl(sc->sc_pc, sc->sc_pcitag,
383 cmd, data, flag, l);
384
385 case WSDISPLAYIO_GET_BUSID:
386 return wsdisplayio_busid_pci(device_parent(sc->sc_dev),
387 sc->sc_pc, sc->sc_pcitag, data);
388
389 case WSDISPLAYIO_GINFO:
390 if (ms == NULL)
391 return ENODEV;
392 wdf = (void *)data;
393 wdf->height = ms->scr_ri.ri_height;
394 wdf->width = ms->scr_ri.ri_width;
395 wdf->depth = 32;
396 wdf->cmsize = 256;
397 return 0;
398
399 case WSDISPLAYIO_GETCMAP:
400 return voyagerfb_getcmap(sc,
401 (struct wsdisplay_cmap *)data);
402
403 case WSDISPLAYIO_PUTCMAP:
404 return voyagerfb_putcmap(sc,
405 (struct wsdisplay_cmap *)data);
406
407 case WSDISPLAYIO_LINEBYTES:
408 *(u_int *)data = sc->sc_stride;
409 return 0;
410
411 case WSDISPLAYIO_SMODE: {
412 int new_mode = *(int*)data;
413 if (new_mode != sc->sc_mode) {
414 sc->sc_mode = new_mode;
415 if(new_mode == WSDISPLAYIO_MODE_EMUL) {
416 #ifdef VOYAGERFB_DEPTH_32
417 sc->sc_depth = 32;
418 #else
419 sc->sc_depth = 8;
420 #endif
421 glyphcache_wipe(&sc->sc_gc);
422 voyagerfb_init(sc);
423 voyagerfb_restore_palette(sc);
424 vcons_redraw_screen(ms);
425 } else {
426 sc->sc_depth = 32;
427 voyagerfb_init(sc);
428 }
429 }
430 }
431 return 0;
432
433 case WSDISPLAYIO_GVIDEO:
434 *(int *)data = sc->sc_bl_on ? WSDISPLAYIO_VIDEO_ON :
435 WSDISPLAYIO_VIDEO_OFF;
436 return 0;
437
438 case WSDISPLAYIO_SVIDEO: {
439 int new_bl = *(int *)data;
440
441 voyagerfb_switch_backlight(sc, new_bl);
442 }
443 return 0;
444
445 case WSDISPLAYIO_GETPARAM:
446 param = (struct wsdisplay_param *)data;
447 switch (param->param) {
448 case WSDISPLAYIO_PARAM_BRIGHTNESS:
449 param->min = 0;
450 param->max = 255;
451 param->curval = sc->sc_bl_level;
452 return 0;
453 case WSDISPLAYIO_PARAM_BACKLIGHT:
454 param->min = 0;
455 param->max = 1;
456 param->curval = sc->sc_bl_on;
457 return 0;
458 }
459 return EPASSTHROUGH;
460
461 case WSDISPLAYIO_SETPARAM:
462 param = (struct wsdisplay_param *)data;
463 switch (param->param) {
464 case WSDISPLAYIO_PARAM_BRIGHTNESS:
465 voyagerfb_set_backlight(sc, param->curval);
466 return 0;
467 case WSDISPLAYIO_PARAM_BACKLIGHT:
468 voyagerfb_switch_backlight(sc, param->curval);
469 return 0;
470 }
471 return EPASSTHROUGH;
472
473 case WSDISPLAYIO_GCURPOS:
474 {
475 struct wsdisplay_curpos *pos;
476
477 pos = (struct wsdisplay_curpos *)data;
478 pos->x = sc->sc_cur_x;
479 pos->y = sc->sc_cur_y;
480 }
481 return 0;
482
483 case WSDISPLAYIO_SCURPOS:
484 {
485 struct wsdisplay_curpos *pos;
486
487 pos = (struct wsdisplay_curpos *)data;
488 voyagerfb_set_curpos(sc, pos->x, pos->y);
489 }
490 return 0;
491
492 case WSDISPLAYIO_GCURMAX:
493 {
494 struct wsdisplay_curpos *pos;
495
496 pos = (struct wsdisplay_curpos *)data;
497 pos->x = 64;
498 pos->y = 64;
499 }
500 return 0;
501
502 case WSDISPLAYIO_GCURSOR:
503 {
504 struct wsdisplay_cursor *cu;
505
506 cu = (struct wsdisplay_cursor *)data;
507 return voyagerfb_gcursor(sc, cu);
508 }
509
510 case WSDISPLAYIO_SCURSOR:
511 {
512 struct wsdisplay_cursor *cu;
513
514 cu = (struct wsdisplay_cursor *)data;
515 return voyagerfb_scursor(sc, cu);
516 }
517 }
518 return EPASSTHROUGH;
519 }
520
521 static paddr_t
522 voyagerfb_mmap(void *v, void *vs, off_t offset, int prot)
523 {
524 struct vcons_data *vd = v;
525 struct voyagerfb_softc *sc = vd->cookie;
526 paddr_t pa;
527
528 /* 'regular' framebuffer mmap()ing */
529 if (offset < sc->sc_fbsize) {
530 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot,
531 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE);
532 return pa;
533 }
534
535 /*
536 * restrict all other mappings to processes with privileges
537 */
538 if (kauth_authorize_machdep(kauth_cred_get(),
539 KAUTH_MACHDEP_UNMANAGEDMEM, NULL, NULL, NULL, NULL) != 0) {
540 aprint_normal("%s: mmap() rejected.\n",
541 device_xname(sc->sc_dev));
542 return -1;
543 }
544
545 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) {
546 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
547 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE);
548 return pa;
549 }
550
551 if ((offset >= sc->sc_reg) &&
552 (offset < (sc->sc_reg + sc->sc_regsize))) {
553 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot, 0);
554 return pa;
555 }
556
557 return -1;
558 }
559
560 static void
561 voyagerfb_init_screen(void *cookie, struct vcons_screen *scr,
562 int existing, long *defattr)
563 {
564 struct voyagerfb_softc *sc = cookie;
565 struct rasops_info *ri = &scr->scr_ri;
566
567 ri->ri_depth = sc->sc_depth;
568 ri->ri_width = sc->sc_width;
569 ri->ri_height = sc->sc_height;
570 ri->ri_stride = sc->sc_stride;
571 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
572
573 ri->ri_bits = (char *)sc->sc_fbaddr;
574
575 if (existing) {
576 ri->ri_flg |= RI_CLEAR;
577 }
578
579 if (sc->sc_depth == 8) {
580 ri->ri_flg |= RI_8BIT_IS_RGB;
581 #ifdef VOYAGERFB_ANTIALIAS
582 ri->ri_flg |= RI_ENABLE_ALPHA;
583 #endif
584 }
585 if (sc->sc_depth == 32) {
586 #ifdef VOYAGERFB_ANTIALIAS
587 ri->ri_flg |= RI_ENABLE_ALPHA;
588 #endif
589 /* we always run in RGB */
590 ri->ri_rnum = 8;
591 ri->ri_gnum = 8;
592 ri->ri_bnum = 8;
593 ri->ri_rpos = 16;
594 ri->ri_gpos = 8;
595 ri->ri_bpos = 0;
596 }
597
598 rasops_init(ri, 0, 0);
599 ri->ri_caps = WSSCREEN_WSCOLORS;
600
601 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
602 sc->sc_width / ri->ri_font->fontwidth);
603
604 ri->ri_hw = scr;
605 ri->ri_ops.copyrows = voyagerfb_copyrows;
606 ri->ri_ops.copycols = voyagerfb_copycols;
607 ri->ri_ops.eraserows = voyagerfb_eraserows;
608 ri->ri_ops.erasecols = voyagerfb_erasecols;
609 ri->ri_ops.cursor = voyagerfb_cursor;
610 if (FONT_IS_ALPHA(ri->ri_font)) {
611 switch (sc->sc_depth) {
612 case 32:
613 ri->ri_ops.putchar = voyagerfb_putchar_aa32;
614 break;
615 case 8:
616 ri->ri_ops.putchar = voyagerfb_putchar_aa8;
617 break;
618 default:
619 printf("alpha font at %d!?\n", sc->sc_depth);
620 }
621 } else
622 ri->ri_ops.putchar = voyagerfb_putchar_mono;
623 }
624
625 static int
626 voyagerfb_putcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm)
627 {
628 u_char *r, *g, *b;
629 u_int index = cm->index;
630 u_int count = cm->count;
631 int i, error;
632 u_char rbuf[256], gbuf[256], bbuf[256];
633
634 #ifdef VOYAGERFB_DEBUG
635 aprint_debug("putcmap: %d %d\n",index, count);
636 #endif
637 if (cm->index >= 256 || cm->count > 256 ||
638 (cm->index + cm->count) > 256)
639 return EINVAL;
640 error = copyin(cm->red, &rbuf[index], count);
641 if (error)
642 return error;
643 error = copyin(cm->green, &gbuf[index], count);
644 if (error)
645 return error;
646 error = copyin(cm->blue, &bbuf[index], count);
647 if (error)
648 return error;
649
650 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
651 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
652 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
653
654 r = &sc->sc_cmap_red[index];
655 g = &sc->sc_cmap_green[index];
656 b = &sc->sc_cmap_blue[index];
657
658 for (i = 0; i < count; i++) {
659 voyagerfb_putpalreg(sc, index, *r, *g, *b);
660 index++;
661 r++, g++, b++;
662 }
663 return 0;
664 }
665
666 static int
667 voyagerfb_getcmap(struct voyagerfb_softc *sc, struct wsdisplay_cmap *cm)
668 {
669 u_int index = cm->index;
670 u_int count = cm->count;
671 int error;
672
673 if (index >= 255 || count > 256 || index + count > 256)
674 return EINVAL;
675
676 error = copyout(&sc->sc_cmap_red[index], cm->red, count);
677 if (error)
678 return error;
679 error = copyout(&sc->sc_cmap_green[index], cm->green, count);
680 if (error)
681 return error;
682 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
683 if (error)
684 return error;
685
686 return 0;
687 }
688
689 static void
690 voyagerfb_restore_palette(struct voyagerfb_softc *sc)
691 {
692 int i;
693
694 for (i = 0; i < 256; i++) {
695 voyagerfb_putpalreg(sc, i, sc->sc_cmap_red[i],
696 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]);
697 }
698 }
699
700 static int
701 voyagerfb_putpalreg(struct voyagerfb_softc *sc, int idx, uint8_t r,
702 uint8_t g, uint8_t b)
703 {
704 uint32_t reg;
705
706 reg = (r << 16) | (g << 8) | b;
707 /* XXX we should probably write the CRT palette too */
708 bus_space_write_4(sc->sc_memt, sc->sc_regh,
709 SM502_PALETTE_PANEL + (idx << 2), reg);
710 return 0;
711 }
712
713 static void
714 voyagerfb_init(struct voyagerfb_softc *sc)
715 {
716 int reg;
717
718 voyagerfb_wait(sc);
719 /* disable colour compare */
720 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_COLOR_COMP_MASK, 0);
721 /* allow writes to all planes */
722 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PLANEMASK,
723 0xffffffff);
724 /* disable clipping */
725 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CLIP_TOP_LEFT, 0);
726 /* source and destination in local memory, no offset */
727 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC_BASE, 0);
728 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST_BASE, 0);
729 /* pitch is screen stride */
730 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PITCH,
731 sc->sc_width | (sc->sc_width << 16));
732 /* window is screen width */
733 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_WINDOW_WIDTH,
734 sc->sc_width | (sc->sc_width << 16));
735 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL);
736 reg &= ~SM502_PDC_DEPTH_MASK;
737
738 switch (sc->sc_depth) {
739 case 8:
740 bus_space_write_4(sc->sc_memt, sc->sc_regh,
741 SM502_STRETCH, SM502_STRETCH_8BIT);
742 sc->sc_stride = sc->sc_width;
743 reg |= SM502_PDC_8BIT;
744 break;
745 case 16:
746 bus_space_write_4(sc->sc_memt, sc->sc_regh,
747 SM502_STRETCH, SM502_STRETCH_16BIT);
748 sc->sc_stride = sc->sc_width << 1;
749 reg |= SM502_PDC_16BIT;
750 break;
751 case 24:
752 case 32:
753 bus_space_write_4(sc->sc_memt, sc->sc_regh,
754 SM502_STRETCH, SM502_STRETCH_32BIT);
755 sc->sc_stride = sc->sc_width << 2;
756 reg |= SM502_PDC_32BIT;
757 break;
758 }
759 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_FB_OFFSET,
760 (sc->sc_stride << 16) | sc->sc_stride);
761
762 /* clear the screen... */
763 voyagerfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 0);
764
765 /* ...and then switch colour depth. For aesthetic reasons. */
766 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_DISP_CTRL,
767 reg);
768
769 /* put the cursor at the end of video memory */
770 sc->sc_cursor_addr = 16 * 1024 * 1024 - 16 * 64; /* XXX */
771 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr);
772 sc->sc_cursor = (uint32_t *)((uint8_t *)bus_space_vaddr(sc->sc_memt,
773 sc->sc_fbh) + sc->sc_cursor_addr);
774 #ifdef VOYAGERFB_DEBUG
775 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY,
776 0x00100010);
777 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL12,
778 0x0000ffff);
779 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_COL3,
780 0x0000f800);
781 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR,
782 SM502_CRSR_ENABLE | sc->sc_cursor_addr);
783 sc->sc_cursor[0] = 0x00000000;
784 sc->sc_cursor[1] = 0x00000000;
785 sc->sc_cursor[2] = 0xffffffff;
786 sc->sc_cursor[3] = 0xffffffff;
787 sc->sc_cursor[4] = 0xaaaaaaaa;
788 sc->sc_cursor[5] = 0xaaaaaaaa;
789 sc->sc_cursor[6] = 0xffffffff;
790 sc->sc_cursor[7] = 0x00000000;
791 #else
792 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_ADDR,
793 sc->sc_cursor_addr);
794 #endif
795 }
796
797 static void
798 voyagerfb_rectfill(struct voyagerfb_softc *sc, int x, int y, int wi, int he,
799 uint32_t colour)
800 {
801
802 voyagerfb_ready(sc);
803 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL,
804 ROP_COPY |
805 SM502_CTRL_USE_ROP2 |
806 SM502_CTRL_CMD_RECTFILL |
807 SM502_CTRL_QUICKSTART_E);
808 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND,
809 colour);
810 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST,
811 (x << 16) | y);
812 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
813 (wi << 16) | he);
814 }
815
816 static void
817 voyagerfb_bitblt(void *cookie, int xs, int ys, int xd, int yd,
818 int wi, int he, int rop)
819 {
820 struct voyagerfb_softc *sc = cookie;
821 uint32_t cmd;
822
823 cmd = (rop & 0xf) | SM502_CTRL_USE_ROP2 | SM502_CTRL_CMD_BITBLT |
824 SM502_CTRL_QUICKSTART_E;
825
826 voyagerfb_ready(sc);
827
828 if (xd <= xs) {
829 /* left to right */
830 } else {
831 /*
832 * According to the manual this flag reverses only the blitter's
833 * X direction. At least on my Gdium it also reverses the Y
834 * direction
835 */
836 cmd |= SM502_CTRL_R_TO_L;
837 xs += wi - 1;
838 xd += wi - 1;
839 ys += he - 1;
840 yd += he - 1;
841 }
842
843 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
844 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC,
845 (xs << 16) | ys);
846 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST,
847 (xd << 16) | yd);
848 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
849 (wi << 16) | he);
850 }
851
852 static void
853 voyagerfb_cursor(void *cookie, int on, int row, int col)
854 {
855 struct rasops_info *ri = cookie;
856 struct vcons_screen *scr = ri->ri_hw;
857 struct voyagerfb_softc *sc = scr->scr_cookie;
858 int x, y, wi, he;
859
860 wi = ri->ri_font->fontwidth;
861 he = ri->ri_font->fontheight;
862
863 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
864 x = ri->ri_ccol * wi + ri->ri_xorigin;
865 y = ri->ri_crow * he + ri->ri_yorigin;
866 if (ri->ri_flg & RI_CURSOR) {
867 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT);
868 ri->ri_flg &= ~RI_CURSOR;
869 }
870 ri->ri_crow = row;
871 ri->ri_ccol = col;
872 if (on) {
873 x = ri->ri_ccol * wi + ri->ri_xorigin;
874 y = ri->ri_crow * he + ri->ri_yorigin;
875 voyagerfb_bitblt(sc, x, y, x, y, wi, he, ROP_INVERT);
876 ri->ri_flg |= RI_CURSOR;
877 }
878 } else {
879 scr->scr_ri.ri_crow = row;
880 scr->scr_ri.ri_ccol = col;
881 scr->scr_ri.ri_flg &= ~RI_CURSOR;
882 }
883
884 }
885
886 static inline void
887 voyagerfb_feed8(struct voyagerfb_softc *sc, uint8_t *data, int len)
888 {
889 uint32_t *port = (uint32_t *)sc->sc_dataport;
890 int i;
891
892 for (i = 0; i < ((len + 3) & 0xfffc); i++) {
893 *port = *data;
894 data++;
895 }
896 }
897
898 static inline void
899 voyagerfb_feed16(struct voyagerfb_softc *sc, uint16_t *data, int len)
900 {
901 uint32_t *port = (uint32_t *)sc->sc_dataport;
902 int i;
903
904 len = len << 1;
905 for (i = 0; i < ((len + 1) & 0xfffe); i++) {
906 *port = *data;
907 data++;
908 }
909 }
910
911 static void
912 voyagerfb_putchar_mono(void *cookie, int row, int col, u_int c, long attr)
913 {
914 struct rasops_info *ri = cookie;
915 struct wsdisplay_font *font = PICK_FONT(ri, c);
916 struct vcons_screen *scr = ri->ri_hw;
917 struct voyagerfb_softc *sc = scr->scr_cookie;
918 uint32_t cmd;
919 int fg, bg;
920 uint8_t *data;
921 int x, y, wi, he;
922
923 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL)
924 return;
925
926 if (!CHAR_IN_FONT(c, font))
927 return;
928
929 wi = font->fontwidth;
930 he = font->fontheight;
931
932 bg = ri->ri_devcmap[(attr >> 16) & 0x0f];
933 fg = ri->ri_devcmap[(attr >> 24) & 0x0f];
934 x = ri->ri_xorigin + col * wi;
935 y = ri->ri_yorigin + row * he;
936 if (c == 0x20) {
937 voyagerfb_rectfill(sc, x, y, wi, he, bg);
938 return;
939 }
940
941 data = WSFONT_GLYPH(c, font);
942
943 cmd = ROP_COPY |
944 SM502_CTRL_USE_ROP2 |
945 SM502_CTRL_CMD_HOSTWRT |
946 SM502_CTRL_HOSTBLT_MONO |
947 SM502_CTRL_QUICKSTART_E |
948 SM502_CTRL_MONO_PACK_32BIT;
949 voyagerfb_ready(sc);
950 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
951 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_FOREGROUND, fg);
952 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_BACKGROUND, bg);
953 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0);
954 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y);
955 bus_space_write_4(sc->sc_memt, sc->sc_regh,
956 SM502_DIMENSION, (wi << 16) | he);
957 /* now feed the data, padded to 32bit */
958 switch (ri->ri_font->stride) {
959 case 1:
960 voyagerfb_feed8(sc, data, ri->ri_fontscale);
961 break;
962 case 2:
963 voyagerfb_feed16(sc, (uint16_t *)data,
964 ri->ri_fontscale);
965 break;
966 }
967 }
968
969 static void
970 voyagerfb_putchar_aa32(void *cookie, int row, int col, u_int c, long attr)
971 {
972 struct rasops_info *ri = cookie;
973 struct wsdisplay_font *font = PICK_FONT(ri, c);
974 struct vcons_screen *scr = ri->ri_hw;
975 struct voyagerfb_softc *sc = scr->scr_cookie;
976 uint32_t cmd;
977 int fg, bg;
978 uint8_t *data;
979 int x, y, wi, he;
980 int i, j, r, g, b, aval, pad;
981 int rf, gf, bf, rb, gb, bb;
982 uint32_t pixel;
983 int rv;
984
985 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL)
986 return;
987
988 if (!CHAR_IN_FONT(c, font))
989 return;
990
991 wi = font->fontwidth;
992 he = font->fontheight;
993
994 bg = ri->ri_devcmap[(attr >> 16) & 0x0f];
995 fg = ri->ri_devcmap[(attr >> 24) & 0x0f];
996 x = ri->ri_xorigin + col * wi;
997 y = ri->ri_yorigin + row * he;
998 if (c == 0x20) {
999 voyagerfb_rectfill(sc, x, y, wi, he, bg);
1000 return;
1001 }
1002
1003 data = WSFONT_GLYPH(c, font);
1004 /*
1005 * we can't accelerate the actual alpha blending but
1006 * we can at least use a host blit to go through the
1007 * pipeline instead of having to sync the engine
1008 */
1009
1010 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr);
1011 if (rv == GC_OK)
1012 return;
1013
1014 cmd = ROP_COPY |
1015 SM502_CTRL_USE_ROP2 |
1016 SM502_CTRL_CMD_HOSTWRT |
1017 SM502_CTRL_QUICKSTART_E;
1018 voyagerfb_ready(sc);
1019 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
1020 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0);
1021 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y);
1022 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
1023 (wi << 16) | he);
1024 rf = (fg >> 16) & 0xff;
1025 rb = (bg >> 16) & 0xff;
1026 gf = (fg >> 8) & 0xff;
1027 gb = (bg >> 8) & 0xff;
1028 bf = fg & 0xff;
1029 bb = bg & 0xff;
1030 pad = wi & 1;
1031 for (i = 0; i < he; i++) {
1032 for (j = 0; j < wi; j++) {
1033 aval = *data;
1034 data++;
1035 if (aval == 0) {
1036 pixel = bg;
1037 } else if (aval == 255) {
1038 pixel = fg;
1039 } else {
1040 r = aval * rf + (255 - aval) * rb;
1041 g = aval * gf + (255 - aval) * gb;
1042 b = aval * bf + (255 - aval) * bb;
1043 pixel = (r & 0xff00) << 8 |
1044 (g & 0xff00) |
1045 (b & 0xff00) >> 8;
1046 }
1047 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1048 SM502_DATAPORT, pixel);
1049 }
1050 if (pad)
1051 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1052 SM502_DATAPORT, 0);
1053 }
1054 if (rv == GC_ADD) {
1055 glyphcache_add(&sc->sc_gc, c, x, y);
1056 }
1057 }
1058
1059 static void
1060 voyagerfb_putchar_aa8(void *cookie, int row, int col, u_int c, long attr)
1061 {
1062 struct rasops_info *ri = cookie;
1063 struct wsdisplay_font *font = PICK_FONT(ri, c);
1064 struct vcons_screen *scr = ri->ri_hw;
1065 struct voyagerfb_softc *sc = scr->scr_cookie;
1066 uint32_t cmd;
1067 int fg, bg;
1068 uint8_t *data;
1069 int x, y, wi, he;
1070 int i, j, r, g, b, aval, pad;
1071 int r1, g1, b1, r0, g0, b0, fgo, bgo;
1072 uint32_t pixel = 0, latch = 0, bg8, fg8;
1073 int rv;
1074
1075 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL)
1076 return;
1077
1078 if (!CHAR_IN_FONT(c, font))
1079 return;
1080
1081 wi = font->fontwidth;
1082 he = font->fontheight;
1083
1084 bg = ri->ri_devcmap[(attr >> 16) & 0x0f];
1085 fg = ri->ri_devcmap[(attr >> 24) & 0x0f];
1086 x = ri->ri_xorigin + col * wi;
1087 y = ri->ri_yorigin + row * he;
1088 if (c == 0x20) {
1089 voyagerfb_rectfill(sc, x, y, wi, he, bg);
1090 return;
1091 }
1092
1093 data = WSFONT_GLYPH(c, font);
1094 /*
1095 * we can't accelerate the actual alpha blending but
1096 * we can at least use a host blit to go through the
1097 * pipeline instead of having to sync the engine
1098 */
1099
1100 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr);
1101 if (rv == GC_OK)
1102 return;
1103
1104 cmd = ROP_COPY |
1105 SM502_CTRL_USE_ROP2 |
1106 SM502_CTRL_CMD_HOSTWRT |
1107 SM502_CTRL_QUICKSTART_E;
1108 voyagerfb_ready(sc);
1109 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_CONTROL, cmd);
1110 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_SRC, 0);
1111 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DST, (x << 16) | y);
1112 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_DIMENSION,
1113 (wi << 16) | he);
1114
1115 /*
1116 * we need the RGB colours here, so get offsets into rasops_cmap
1117 */
1118 fgo = ((attr >> 24) & 0xf) * 3;
1119 bgo = ((attr >> 16) & 0xf) * 3;
1120
1121 r0 = rasops_cmap[bgo];
1122 r1 = rasops_cmap[fgo];
1123 g0 = rasops_cmap[bgo + 1];
1124 g1 = rasops_cmap[fgo + 1];
1125 b0 = rasops_cmap[bgo + 2];
1126 b1 = rasops_cmap[fgo + 2];
1127 #define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6))
1128 bg8 = R3G3B2(r0, g0, b0);
1129 fg8 = R3G3B2(r1, g1, b1);
1130
1131 pad = wi & 4;
1132 for (i = 0; i < he; i++) {
1133 for (j = 0; j < wi; j++) {
1134 aval = *data;
1135 data++;
1136 if (aval == 0) {
1137 pixel = bg8;
1138 } else if (aval == 255) {
1139 pixel = fg8;
1140 } else {
1141 r = aval * r1 + (255 - aval) * r0;
1142 g = aval * g1 + (255 - aval) * g0;
1143 b = aval * b1 + (255 - aval) * b0;
1144 pixel = ((r & 0xe000) >> 8) |
1145 ((g & 0xe000) >> 11) |
1146 ((b & 0xc000) >> 14);
1147 }
1148 latch = (latch << 8) | pixel;
1149 /* write in 32bit chunks */
1150 if ((j & 3) == 3) {
1151 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1152 SM502_DATAPORT, be32toh(latch));
1153 latch = 0;
1154 }
1155 }
1156 /* if we have pixels left in latch write them out */
1157 if ((j & 3) != 0) {
1158 latch = latch << ((4 - (i & 3)) << 3);
1159 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1160 SM502_DATAPORT, be32toh(latch));
1161 }
1162 if (pad)
1163 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1164 SM502_DATAPORT, 0);
1165 }
1166 if (rv == GC_ADD) {
1167 glyphcache_add(&sc->sc_gc, c, x, y);
1168 }
1169 }
1170
1171 static void
1172 voyagerfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1173 {
1174 struct rasops_info *ri = cookie;
1175 struct vcons_screen *scr = ri->ri_hw;
1176 struct voyagerfb_softc *sc = scr->scr_cookie;
1177 int32_t xs, xd, y, width, height;
1178
1179 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1180 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1181 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1182 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1183 width = ri->ri_font->fontwidth * ncols;
1184 height = ri->ri_font->fontheight;
1185 voyagerfb_bitblt(sc, xs, y, xd, y, width, height, ROP_COPY);
1186 }
1187 }
1188
1189 static void
1190 voyagerfb_erasecols(void *cookie, int row, int startcol, int ncols,
1191 long fillattr)
1192 {
1193 struct rasops_info *ri = cookie;
1194 struct vcons_screen *scr = ri->ri_hw;
1195 struct voyagerfb_softc *sc = scr->scr_cookie;
1196 int32_t x, y, width, height, fg, bg, ul;
1197
1198 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1199 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1200 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1201 width = ri->ri_font->fontwidth * ncols;
1202 height = ri->ri_font->fontheight;
1203 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
1204
1205 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
1206 }
1207 }
1208
1209 static void
1210 voyagerfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1211 {
1212 struct rasops_info *ri = cookie;
1213 struct vcons_screen *scr = ri->ri_hw;
1214 struct voyagerfb_softc *sc = scr->scr_cookie;
1215 int32_t x, ys, yd, width, height;
1216 int i;
1217
1218 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1219 x = ri->ri_xorigin;
1220 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1221 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1222 width = ri->ri_emuwidth;
1223 height = ri->ri_font->fontheight * nrows;
1224 if ((nrows > 1) && (dstrow > srcrow)) {
1225 /*
1226 * the blitter can't do bottom-up copies so we have
1227 * to copy line by line here
1228 * should probably use a command sequence
1229 */
1230 ys += (height - ri->ri_font->fontheight);
1231 yd += (height - ri->ri_font->fontheight);
1232 for (i = 0; i < nrows; i++) {
1233 voyagerfb_bitblt(sc, x, ys, x, yd, width,
1234 ri->ri_font->fontheight, ROP_COPY);
1235 ys -= ri->ri_font->fontheight;
1236 yd -= ri->ri_font->fontheight;
1237 }
1238 } else
1239 voyagerfb_bitblt(sc, x, ys, x, yd, width, height,
1240 ROP_COPY);
1241 }
1242 }
1243
1244 static void
1245 voyagerfb_eraserows(void *cookie, int row, int nrows, long fillattr)
1246 {
1247 struct rasops_info *ri = cookie;
1248 struct vcons_screen *scr = ri->ri_hw;
1249 struct voyagerfb_softc *sc = scr->scr_cookie;
1250 int32_t x, y, width, height, fg, bg, ul;
1251
1252 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1253 x = ri->ri_xorigin;
1254 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1255 width = ri->ri_emuwidth;
1256 height = ri->ri_font->fontheight * nrows;
1257 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
1258
1259 voyagerfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
1260 }
1261 }
1262
1263 /* backlight control */
1264 static void
1265 voyagerfb_setup_backlight(struct voyagerfb_softc *sc)
1266 {
1267 /* switch the pin to gpio mode if it isn't already */
1268 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0);
1269 /* turn it on */
1270 voyager_write_gpio(sc->sc_gpio_cookie, 0xffffffff, GPIO_BACKLIGHT);
1271 sc->sc_bl_on = 1;
1272 sc->sc_bl_level = 255;
1273 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_UP,
1274 voyagerfb_brightness_up, TRUE);
1275 pmf_event_register(sc->sc_dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
1276 voyagerfb_brightness_down, TRUE);
1277 }
1278
1279 static void
1280 voyagerfb_set_backlight(struct voyagerfb_softc *sc, int level)
1281 {
1282
1283 /*
1284 * should we do nothing when backlight is off, should we just store the
1285 * level and use it when turning back on or should we just flip sc_bl_on
1286 * and turn the backlight on?
1287 * For now turn it on so a crashed screensaver can't get the user stuck
1288 * with a dark screen as long as hotkeys work
1289 */
1290 if (level > 255) level = 255;
1291 if (level < 0) level = 0;
1292 if (level == sc->sc_bl_level)
1293 return;
1294 sc->sc_bl_level = level;
1295 if (sc->sc_bl_on == 0)
1296 sc->sc_bl_on = 1;
1297 /* and here we would actually muck with the hardware */
1298 if ((level == 0) || (level == 255)) {
1299 /* in these cases bypass the PWM and use the gpio */
1300 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0);
1301 if (level == 0) {
1302 voyager_write_gpio(sc->sc_gpio_cookie,
1303 ~GPIO_BACKLIGHT, 0);
1304 } else {
1305 voyager_write_gpio(sc->sc_gpio_cookie,
1306 0xffffffff, GPIO_BACKLIGHT);
1307 }
1308 } else {
1309 uint32_t pwm;
1310
1311 pwm = voyager_set_pwm(20000, level * 1000 / 256);
1312 pwm |= SM502_PWM_ENABLE;
1313 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PWM0, pwm);
1314
1315 /* let the PWM take over */
1316 voyager_control_gpio(sc->sc_gpio_cookie,
1317 0xffffffff, GPIO_BACKLIGHT);
1318 }
1319 }
1320
1321 static void
1322 voyagerfb_switch_backlight(struct voyagerfb_softc *sc, int on)
1323 {
1324
1325 if (on == sc->sc_bl_on)
1326 return;
1327 sc->sc_bl_on = on;
1328 if (on) {
1329 int level = sc->sc_bl_level;
1330
1331 sc->sc_bl_level = -1;
1332 voyagerfb_set_backlight(sc, level);
1333 } else {
1334 voyager_control_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0);
1335 voyager_write_gpio(sc->sc_gpio_cookie, ~GPIO_BACKLIGHT, 0);
1336 }
1337 }
1338
1339
1340 static void
1341 voyagerfb_brightness_up(device_t dev)
1342 {
1343 struct voyagerfb_softc *sc = device_private(dev);
1344
1345 voyagerfb_set_backlight(sc, sc->sc_bl_level + 8);
1346 }
1347
1348 static void
1349 voyagerfb_brightness_down(device_t dev)
1350 {
1351 struct voyagerfb_softc *sc = device_private(dev);
1352
1353 voyagerfb_set_backlight(sc, sc->sc_bl_level - 8);
1354 }
1355
1356 static int
1357 voyagerfb_set_curpos(struct voyagerfb_softc *sc, int x, int y)
1358 {
1359 uint32_t val;
1360 int xx, yy;
1361
1362 sc->sc_cur_x = x;
1363 sc->sc_cur_y = y;
1364
1365 xx = x - sc->sc_hot_x;
1366 yy = y - sc->sc_hot_y;
1367
1368 if (xx < 0) xx = abs(xx) | 0x800;
1369 if (yy < 0) yy = abs(yy) | 0x800;
1370
1371 val = (xx & 0xffff) | (yy << 16);
1372 bus_space_write_4(sc->sc_memt, sc->sc_regh, SM502_PANEL_CRSR_XY, val);
1373
1374 return 0;
1375 }
1376
1377 static int
1378 voyagerfb_gcursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur)
1379 {
1380 /* do nothing for now */
1381 return 0;
1382 }
1383
1384 static int
1385 voyagerfb_scursor(struct voyagerfb_softc *sc, struct wsdisplay_cursor *cur)
1386 {
1387 if (cur->which & WSDISPLAY_CURSOR_DOCUR) {
1388
1389 bus_space_write_4(sc->sc_memt, sc->sc_regh,
1390 SM502_PANEL_CRSR_ADDR,
1391 sc->sc_cursor_addr | (cur->enable ? SM502_CRSR_ENABLE : 0));
1392 DPRINTF("%s: %08x\n", __func__, sc->sc_cursor_addr);
1393 }
1394 if (cur->which & WSDISPLAY_CURSOR_DOHOT) {
1395
1396 sc->sc_hot_x = cur->hot.x;
1397 sc->sc_hot_y = cur->hot.y;
1398 }
1399 if (cur->which & WSDISPLAY_CURSOR_DOPOS) {
1400
1401 voyagerfb_set_curpos(sc, cur->pos.x, cur->pos.y);
1402 }
1403 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) {
1404 int i, idx;
1405 uint32_t val;
1406
1407 for (i = 0; i < cur->cmap.count; i++) {
1408 val = ((cur->cmap.red[i] & 0xf8) << 8) |
1409 ((cur->cmap.green[i] & 0xfc) << 3) |
1410 ((cur->cmap.blue[i] & 0xf8) >> 3);
1411 idx = i + cur->cmap.index;
1412 bus_space_write_2(sc->sc_memt, sc->sc_regh,
1413 SM502_PANEL_CRSR_COL12 + (idx << 1),
1414 val);
1415 /*
1416 * if userland doesn't try to set the 3rd colour we
1417 * assume it expects an X11-style 2 colour cursor
1418 * X should be our main user anyway
1419 */
1420 if ((idx == 1) &&
1421 ((cur->cmap.count + cur->cmap.index) < 3)) {
1422 bus_space_write_2(sc->sc_memt, sc->sc_regh,
1423 SM502_PANEL_CRSR_COL3,
1424 val);
1425 }
1426 DPRINTF("%s: %d %04x\n", __func__, i + cur->cmap.index,
1427 val);
1428 }
1429 }
1430 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) {
1431
1432 int i, j, cnt = 0;
1433 uint32_t latch = 0, omask;
1434 uint8_t imask;
1435 DPRINTF("%s: %d %d\n", __func__, cur->size.x, cur->size.y);
1436 for (i = 0; i < 256; i++) {
1437 omask = 0x00000001;
1438 imask = 0x01;
1439 cur->image[cnt] &= cur->mask[cnt];
1440 for (j = 0; j < 8; j++) {
1441 if (cur->mask[cnt] & imask)
1442 latch |= omask;
1443 omask <<= 1;
1444 if (cur->image[cnt] & imask)
1445 latch |= omask;
1446 omask <<= 1;
1447 imask <<= 1;
1448 }
1449 cnt++;
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 sc->sc_cursor[i] = latch;
1463 latch = 0;
1464 }
1465 }
1466 return 0;
1467 }
1468