wcfb.c revision 1.12 1 /* $NetBSD: wcfb.c,v 1.12 2012/10/09 21:59:19 macallan Exp $ */
2
3 /*-
4 * Copyright (c) 2010 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: wcfb.c,v 1.12 2012/10/09 21:59:19 macallan Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/device.h>
36 #include <sys/proc.h>
37 #include <sys/mutex.h>
38 #include <sys/ioctl.h>
39 #include <sys/kernel.h>
40 #include <sys/systm.h>
41 #include <sys/kauth.h>
42 #include <sys/kmem.h>
43
44 #include <dev/pci/pcidevs.h>
45 #include <dev/pci/pcireg.h>
46 #include <dev/pci/pcivar.h>
47 #include <dev/pci/pciio.h>
48 #include <dev/pci/wcfbreg.h>
49
50 #include <dev/wscons/wsdisplayvar.h>
51 #include <dev/wscons/wsconsio.h>
52 #include <dev/wsfont/wsfont.h>
53 #include <dev/rasops/rasops.h>
54 #include <dev/wscons/wsdisplay_vconsvar.h>
55 #include <dev/pci/wsdisplay_pci.h>
56
57 #include "opt_wsfb.h"
58 #include "opt_wsdisplay_compat.h"
59
60 #ifdef WCFB_DEBUG
61 # define DPRINTF printf
62 #else
63 # define DPRINTF while (0) printf
64 #endif
65
66 static int wcfb_match(device_t, cfdata_t, void *);
67 static void wcfb_attach(device_t, device_t, void *);
68 static int wcfb_ioctl(void *, void *, u_long, void *, int,
69 struct lwp *);
70 static paddr_t wcfb_mmap(void *, void *, off_t, int);
71
72 struct wcfb_softc {
73 device_t sc_dev;
74
75 pci_chipset_tag_t sc_pc;
76 pcitag_t sc_pcitag;
77
78 bus_space_tag_t sc_memt;
79 bus_space_tag_t sc_regt, sc_wtft;
80 bus_space_tag_t sc_iot;
81
82 bus_space_handle_t sc_fbh, sc_wtfh;
83 bus_space_handle_t sc_regh;
84 bus_addr_t sc_fb, sc_reg, sc_wtf;
85 bus_size_t sc_fbsize, sc_regsize, sc_wtfsize;
86
87 int sc_width, sc_height, sc_stride;
88 int sc_locked;
89 uint8_t *sc_fbaddr, *sc_fb0, *sc_fb1, *sc_shadow;
90 struct vcons_screen sc_console_screen;
91 struct wsscreen_descr sc_defaultscreen_descr;
92 const struct wsscreen_descr *sc_screens[1];
93 struct wsscreen_list sc_screenlist;
94 struct vcons_data vd;
95 int sc_mode;
96 u_char sc_cmap_red[256];
97 u_char sc_cmap_green[256];
98 u_char sc_cmap_blue[256];
99 uint32_t sc_fb0off, sc_fb1off;
100
101 void (*copycols)(void *, int, int, int, int);
102 void (*erasecols)(void *, int, int, int, long);
103 void (*copyrows)(void *, int, int, int);
104 void (*eraserows)(void *, int, int, long);
105 void (*putchar)(void *, int, int, u_int, long);
106 void (*cursor)(void *, int, int, int);
107 int sc_is_jfb;
108 };
109
110 static void wcfb_init_screen(void *, struct vcons_screen *, int, long *);
111
112 CFATTACH_DECL_NEW(wcfb, sizeof(struct wcfb_softc),
113 wcfb_match, wcfb_attach, NULL, NULL);
114
115 struct wsdisplay_accessops wcfb_accessops = {
116 wcfb_ioctl,
117 wcfb_mmap,
118 NULL, /* alloc_screen */
119 NULL, /* free_screen */
120 NULL, /* show_screen */
121 NULL, /* load_font */
122 NULL, /* pollc */
123 NULL /* scroll */
124 };
125
126 static void wcfb_putchar(void *, int, int, u_int, long);
127 static void wcfb_cursor(void *, int, int, int);
128 static void wcfb_copycols(void *, int, int, int, int);
129 static void wcfb_erasecols(void *, int, int, int, long);
130 static void wcfb_copyrows(void *, int, int, int);
131 static void wcfb_eraserows(void *, int, int, long);
132
133 static void wcfb_acc_putchar(void *, int, int, u_int, long);
134 static void wcfb_acc_cursor(void *, int, int, int);
135 static void wcfb_acc_copycols(void *, int, int, int, int);
136 static void wcfb_acc_erasecols(void *, int, int, int, long);
137 static void wcfb_acc_copyrows(void *, int, int, int);
138 static void wcfb_acc_eraserows(void *, int, int, long);
139
140 static void wcfb_putpalreg(struct wcfb_softc *, int, int, int, int);
141
142 static void wcfb_bitblt(struct wcfb_softc *, int, int, int, int, int,
143 int, uint32_t);
144 static void wcfb_rectfill(struct wcfb_softc *, int, int, int, int, int);
145 static void wcfb_rop_common(struct wcfb_softc *, bus_addr_t, int, int, int,
146 int, int, int, uint32_t, int32_t);
147 static void wcfb_rop_jfb(struct wcfb_softc *, int, int, int, int, int, int,
148 uint32_t, int32_t);
149 static int wcfb_rop_wait(struct wcfb_softc *);
150
151 static int
152 wcfb_match(device_t parent, cfdata_t match, void *aux)
153 {
154 struct pci_attach_args *pa = aux;
155
156 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_3DLABS &&
157 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_WILDCAT5110)
158 return 100;
159
160 return 0;
161 }
162
163 static void
164 wcfb_attach(device_t parent, device_t self, void *aux)
165 {
166 struct wcfb_softc *sc = device_private(self);
167 struct pci_attach_args *pa = aux;
168 struct rasops_info *ri;
169 prop_dictionary_t dict;
170 struct wsemuldisplaydev_attach_args aa;
171 int i, j;
172 uint32_t reg;
173 unsigned long defattr;
174 bool is_console = 0;
175 void *wtf;
176 uint32_t sub;
177
178 sc->sc_dev = self;
179 sc->putchar = NULL;
180 pci_aprint_devinfo(pa, NULL);
181
182 dict = device_properties(self);
183 prop_dictionary_get_bool(dict, "is_console", &is_console);
184 #ifndef WCFB_DEBUG
185 if (!is_console) return;
186 #endif
187 sc->sc_memt = pa->pa_memt;
188 sc->sc_iot = pa->pa_iot;
189 sc->sc_pc = pa->pa_pc;
190 sc->sc_pcitag = pa->pa_tag;
191
192 if (pci_mapreg_map(pa, 0x14, PCI_MAPREG_TYPE_MEM, 0,
193 &sc->sc_regt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) {
194 aprint_error("%s: failed to map registers.\n",
195 device_xname(sc->sc_dev));
196 }
197
198 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, BUS_SPACE_MAP_LINEAR,
199 &sc->sc_memt, &sc->sc_fbh, &sc->sc_fb, &sc->sc_fbsize)) {
200 aprint_error("%s: failed to map framebuffer.\n",
201 device_xname(sc->sc_dev));
202 }
203
204 if (pci_mapreg_map(pa, 0x18, PCI_MAPREG_TYPE_MEM, BUS_SPACE_MAP_LINEAR,
205 &sc->sc_wtft, &sc->sc_wtfh, &sc->sc_wtf, &sc->sc_wtfsize)) {
206 aprint_error("%s: failed to map wtf.\n",
207 device_xname(sc->sc_dev));
208 }
209 wtf = bus_space_vaddr(sc->sc_wtft, sc->sc_wtfh);
210 memset(wtf, 0, 0x100000);
211
212 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh);
213
214 sc->sc_fb0off =
215 bus_space_read_4(sc->sc_regt, sc->sc_regh,
216 WC_FB8_ADDR0) - sc->sc_fb;
217 sc->sc_fb0 = sc->sc_fbaddr + sc->sc_fb0off;
218 sc->sc_fb1off =
219 bus_space_read_4(sc->sc_regt, sc->sc_regh,
220 WC_FB8_ADDR1) - sc->sc_fb;
221 sc->sc_fb1 = sc->sc_fbaddr + sc->sc_fb1off;
222
223 sub = pci_conf_read(sc->sc_pc, sc->sc_pcitag, PCI_SUBSYS_ID_REG);
224 printf("subsys: %08x\n", sub);
225 switch (sub) {
226 case WC_XVR1200:
227 sc->sc_is_jfb = 1;
228 break;
229 default:
230 sc->sc_is_jfb = 0;
231 }
232
233 reg = bus_space_read_4(sc->sc_regt, sc->sc_regh, WC_RESOLUTION);
234 sc->sc_height = (reg >> 16) + 1;
235 #ifdef WCFB_DEBUG
236 sc->sc_height -= 200;
237 #endif
238 sc->sc_width = (reg & 0xffff) + 1;
239 sc->sc_stride = 1 <<
240 ((bus_space_read_4(sc->sc_regt, sc->sc_regh, WC_CONFIG) &
241 0x00ff0000) >> 16);
242 printf("%s: %d x %d, %d\n", device_xname(sc->sc_dev),
243 sc->sc_width, sc->sc_height, sc->sc_stride);
244
245 if (sc->sc_is_jfb == 0) {
246 sc->sc_shadow = kmem_alloc(sc->sc_stride * sc->sc_height,
247 KM_SLEEP);
248 if (sc->sc_shadow == NULL) {
249 printf("%s: failed to allocate shadow buffer\n",
250 device_xname(self));
251 return;
252 }
253 }
254
255 for (i = 0x40; i < 0x100; i += 16) {
256 printf("%04x:", i);
257 for (j = 0; j < 16; j += 4) {
258 printf(" %08x", bus_space_read_4(sc->sc_regt,
259 sc->sc_regh, 0x8000 + i + j));
260 }
261 printf("\n");
262 }
263
264 /* make sure video output is on */
265 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_DPMS_STATE, WC_DPMS_ON);
266
267 sc->sc_defaultscreen_descr = (struct wsscreen_descr){
268 "default",
269 0, 0,
270 NULL,
271 8, 16,
272 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
273 NULL
274 };
275 sc->sc_screens[0] = &sc->sc_defaultscreen_descr;
276 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
277 sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
278 sc->sc_locked = 0;
279
280 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr,
281 &wcfb_accessops);
282 sc->vd.init_screen = wcfb_init_screen;
283
284 /* init engine here */
285 #if 0
286 wcfb_init(sc);
287 #endif
288
289 ri = &sc->sc_console_screen.scr_ri;
290
291 j = 0;
292 for (i = 0; i < 256; i++) {
293
294 sc->sc_cmap_red[i] = rasops_cmap[j];
295 sc->sc_cmap_green[i] = rasops_cmap[j + 1];
296 sc->sc_cmap_blue[i] = rasops_cmap[j + 2];
297 wcfb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1],
298 rasops_cmap[j + 2]);
299 j += 3;
300 }
301
302 if (is_console) {
303 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
304 &defattr);
305 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
306
307 if (sc->sc_is_jfb) {
308 wcfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height,
309 ri->ri_devcmap[(defattr >> 16) & 0xff]);
310 } else {
311 memset(sc->sc_fb0,
312 ri->ri_devcmap[(defattr >> 16) & 0xff],
313 sc->sc_stride * sc->sc_height);
314 memset(sc->sc_fb1,
315 ri->ri_devcmap[(defattr >> 16) & 0xff],
316 sc->sc_stride * sc->sc_height);
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 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
323 defattr);
324 vcons_replay_msgbuf(&sc->sc_console_screen);
325 } else {
326 /*
327 * since we're not the console we can postpone the rest
328 * until someone actually allocates a screen for us
329 */
330 memset(sc->sc_fb0, WS_DEFAULT_BG,
331 sc->sc_stride * sc->sc_height);
332 memset(sc->sc_fb1, WS_DEFAULT_BG,
333 sc->sc_stride * sc->sc_height);
334 return;
335 }
336
337 aa.console = is_console;
338 aa.scrdata = &sc->sc_screenlist;
339 aa.accessops = &wcfb_accessops;
340 aa.accesscookie = &sc->vd;
341
342 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
343 }
344
345 static int
346 wcfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
347 struct lwp *l)
348 {
349 struct wcfb_softc *sc = v;
350
351 switch (cmd) {
352 case WSDISPLAYIO_GTYPE:
353 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
354 return 0;
355
356 /* PCI config read/write passthrough. */
357 case PCI_IOC_CFGREAD:
358 case PCI_IOC_CFGWRITE:
359 return pci_devioctl(sc->sc_pc, sc->sc_pcitag,
360 cmd, data, flag, l);
361
362 case WSDISPLAYIO_GET_BUSID:
363 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
364 sc->sc_pcitag, data);
365
366 case WSDISPLAYIO_SMODE: {
367 /*int new_mode = *(int*)data, i;*/
368 }
369 return 0;
370 }
371
372 return EPASSTHROUGH;
373 }
374
375 static paddr_t
376 wcfb_mmap(void *v, void *vs, off_t offset, int prot)
377 {
378 struct wcfb_softc *sc = v;
379
380 /* no point in allowing a wsfb map if we can't provide one */
381 /*
382 * restrict all other mappings to processes with superuser privileges
383 * or the kernel itself
384 */
385 if (kauth_authorize_machdep(kauth_cred_get(),
386 KAUTH_MACHDEP_UNMANAGEDMEM,
387 NULL, NULL, NULL, NULL) != 0) {
388 aprint_normal_dev(sc->sc_dev, "mmap() rejected.\n");
389 return -1;
390 }
391
392 #ifdef WSFB_FAKE_VGA_FB
393 if ((offset >= 0xa0000) && (offset < 0xbffff)) {
394
395 return bus_space_mmap(sc->sc_memt, sc->sc_gen.sc_fboffset,
396 offset - 0xa0000, prot, BUS_SPACE_MAP_LINEAR);
397 }
398 #endif
399
400 return -1;
401 }
402
403 static void
404 wcfb_init_screen(void *cookie, struct vcons_screen *scr,
405 int existing, long *defattr)
406 {
407 struct wcfb_softc *sc = cookie;
408 struct rasops_info *ri = &scr->scr_ri;
409
410 ri->ri_depth = 8;
411 ri->ri_width = sc->sc_width;
412 ri->ri_height = sc->sc_height;
413 ri->ri_stride = sc->sc_stride;
414 ri->ri_flg = RI_CENTER /*| RI_FULLCLEAR*/;
415
416 if (sc->sc_is_jfb) {
417 ri->ri_bits = sc->sc_fb0;
418 } else {
419 ri->ri_bits = sc->sc_shadow;
420 }
421 if (existing) {
422 ri->ri_flg |= RI_CLEAR;
423 }
424
425 rasops_init(ri, 0, 0);
426 ri->ri_caps = WSSCREEN_WSCOLORS;
427
428 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
429 sc->sc_width / ri->ri_font->fontwidth);
430
431 ri->ri_hw = scr;
432 sc->putchar = ri->ri_ops.putchar;
433 sc->copyrows = ri->ri_ops.copyrows;
434 sc->eraserows = ri->ri_ops.eraserows;
435 sc->copycols = ri->ri_ops.copycols;
436 sc->erasecols = ri->ri_ops.erasecols;
437
438 if (sc->sc_is_jfb) {
439 ri->ri_ops.copyrows = wcfb_acc_copyrows;
440 ri->ri_ops.copycols = wcfb_acc_copycols;
441 ri->ri_ops.eraserows = wcfb_acc_eraserows;
442 ri->ri_ops.erasecols = wcfb_acc_erasecols;
443 ri->ri_ops.putchar = wcfb_acc_putchar;
444 ri->ri_ops.cursor = wcfb_acc_cursor;
445 } else {
446 ri->ri_ops.copyrows = wcfb_copyrows;
447 ri->ri_ops.copycols = wcfb_copycols;
448 ri->ri_ops.eraserows = wcfb_eraserows;
449 ri->ri_ops.erasecols = wcfb_erasecols;
450 ri->ri_ops.putchar = wcfb_putchar;
451 ri->ri_ops.cursor = wcfb_cursor;
452 }
453 }
454
455 static void
456 wcfb_putchar(void *cookie, int row, int col, u_int c, long attr)
457 {
458 struct rasops_info *ri = cookie;
459 struct vcons_screen *scr = ri->ri_hw;
460 struct wcfb_softc *sc = scr->scr_cookie;
461 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) *
462 sc->sc_stride + ri->ri_xorigin + col * ri->ri_font->fontwidth;
463 uint8_t *from, *to0, *to1;
464 int i;
465
466 sc->putchar(ri, row, col, c, attr);
467 from = sc->sc_shadow + offset;
468 to0 = sc->sc_fb0 + offset;
469 to1 = sc->sc_fb1 + offset;
470 for (i = 0; i < ri->ri_font->fontheight; i++) {
471 memcpy(to0, from, ri->ri_font->fontwidth);
472 memcpy(to1, from, ri->ri_font->fontwidth);
473 to0 += sc->sc_stride;
474 to1 += sc->sc_stride;
475 from += sc->sc_stride;
476 }
477 }
478
479 static void
480 wcfb_putpalreg(struct wcfb_softc *sc, int i, int r, int g, int b)
481 {
482 uint32_t rgb;
483
484 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_CMAP_INDEX, i);
485 rgb = (b << 22) | (g << 12) | (r << 2);
486 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_CMAP_DATA, rgb);
487 }
488
489 static void
490 wcfb_cursor(void *cookie, int on, int row, int col)
491 {
492 struct rasops_info *ri = cookie;
493 struct vcons_screen *scr = ri->ri_hw;
494 struct wcfb_softc *sc = scr->scr_cookie;
495 int coffset;
496
497 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
498
499 if (ri->ri_flg & RI_CURSOR) {
500 /* remove cursor */
501 coffset = ri->ri_ccol + (ri->ri_crow * ri->ri_cols);
502 #ifdef WSDISPLAY_SCROLLSUPPORT
503 coffset += scr->scr_offset_to_zero;
504 #endif
505 wcfb_putchar(cookie, ri->ri_crow,
506 ri->ri_ccol, scr->scr_chars[coffset],
507 scr->scr_attrs[coffset]);
508 ri->ri_flg &= ~RI_CURSOR;
509 }
510 ri->ri_crow = row;
511 ri->ri_ccol = col;
512 if (on) {
513 long attr, revattr;
514 coffset = col + (row * ri->ri_cols);
515 #ifdef WSDISPLAY_SCROLLSUPPORT
516 coffset += scr->scr_offset_to_zero;
517 #endif
518 attr = scr->scr_attrs[coffset];
519 revattr = attr ^ 0xffff0000;
520
521 wcfb_putchar(cookie, ri->ri_crow, ri->ri_ccol,
522 scr->scr_chars[coffset], revattr);
523 ri->ri_flg |= RI_CURSOR;
524 }
525 } else {
526 ri->ri_crow = row;
527 ri->ri_ccol = col;
528 ri->ri_flg &= ~RI_CURSOR;
529 }
530 }
531
532 static void
533 wcfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
534 {
535 struct rasops_info *ri = cookie;
536 struct vcons_screen *scr = ri->ri_hw;
537 struct wcfb_softc *sc = scr->scr_cookie;
538 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) *
539 sc->sc_stride + ri->ri_xorigin + dstcol * ri->ri_font->fontwidth;
540 uint8_t *from, *to0, *to1;
541 int i;
542
543 sc->copycols(ri, row, srccol, dstcol, ncols);
544 from = sc->sc_shadow + offset;
545 to0 = sc->sc_fb0 + offset;
546 to1 = sc->sc_fb1 + offset;
547 for (i = 0; i < ri->ri_font->fontheight; i++) {
548 memcpy(to0, from, ri->ri_font->fontwidth * ncols);
549 memcpy(to1, from, ri->ri_font->fontwidth * ncols);
550 to0 += sc->sc_stride;
551 to1 += sc->sc_stride;
552 from += sc->sc_stride;
553 }
554 }
555
556 static void
557 wcfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
558 {
559 struct rasops_info *ri = cookie;
560 struct vcons_screen *scr = ri->ri_hw;
561 struct wcfb_softc *sc = scr->scr_cookie;
562 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) *
563 sc->sc_stride + ri->ri_xorigin + startcol * ri->ri_font->fontwidth;
564 uint8_t *to0, *to1;
565 int i;
566
567 sc->erasecols(ri, row, startcol, ncols, fillattr);
568
569 to0 = sc->sc_fb0 + offset;
570 to1 = sc->sc_fb1 + offset;
571 for (i = 0; i < ri->ri_font->fontheight; i++) {
572 memset(to0, ri->ri_devcmap[(fillattr >> 16) & 0xff],
573 ri->ri_font->fontwidth * ncols);
574 memset(to1, ri->ri_devcmap[(fillattr >> 16) & 0xff],
575 ri->ri_font->fontwidth * ncols);
576 to0 += sc->sc_stride;
577 to1 += sc->sc_stride;
578 }
579 }
580
581 static void
582 wcfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
583 {
584 struct rasops_info *ri = cookie;
585 struct vcons_screen *scr = ri->ri_hw;
586 struct wcfb_softc *sc = scr->scr_cookie;
587 int offset = (ri->ri_yorigin + dstrow * ri->ri_font->fontheight) *
588 sc->sc_stride + ri->ri_xorigin;
589 uint8_t *from, *to0, *to1;
590 int i;
591
592 sc->copyrows(ri, srcrow, dstrow, nrows);
593
594 from = sc->sc_shadow + offset;
595 to0 = sc->sc_fb0 + offset;
596 to1 = sc->sc_fb1 + offset;
597 for (i = 0; i < ri->ri_font->fontheight * nrows; i++) {
598 memcpy(to0, from, ri->ri_emuwidth);
599 memcpy(to1, from, ri->ri_emuwidth);
600 to0 += sc->sc_stride;
601 to1 += sc->sc_stride;
602 from += sc->sc_stride;
603 }
604 }
605
606 static void
607 wcfb_eraserows(void *cookie, int row, int nrows, long fillattr)
608 {
609 struct rasops_info *ri = cookie;
610 struct vcons_screen *scr = ri->ri_hw;
611 struct wcfb_softc *sc = scr->scr_cookie;
612 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) *
613 sc->sc_stride + ri->ri_xorigin;
614 uint8_t *to0, *to1;
615 int i;
616
617 sc->eraserows(ri, row, nrows, fillattr);
618
619 to0 = sc->sc_fb0 + offset;
620 to1 = sc->sc_fb1 + offset;
621 for (i = 0; i < ri->ri_font->fontheight * nrows; i++) {
622 memset(to0, ri->ri_devcmap[(fillattr >> 16) & 0xff],
623 ri->ri_emuwidth);
624 memset(to1, ri->ri_devcmap[(fillattr >> 16) & 0xff],
625 ri->ri_emuwidth);
626 to0 += sc->sc_stride;
627 to1 += sc->sc_stride;
628 }
629 }
630
631 static void
632 wcfb_bitblt(struct wcfb_softc *sc, int sx, int sy, int dx, int dy, int w,
633 int h, uint32_t rop)
634 {
635 wcfb_rop_wait(sc);
636 wcfb_rop_jfb(sc, sx, sy, dx, dy, w, h, rop, 0xff);
637 }
638
639 static void
640 wcfb_rectfill(struct wcfb_softc *sc, int x, int y, int w, int h, int bg)
641 {
642 int32_t mask;
643
644 /* pixels to set... */
645 mask = 0xff & bg;
646 if (mask != 0) {
647 wcfb_rop_wait(sc);
648 wcfb_rop_jfb(sc, x, y, x, y, w, h, WC_ROP_SET, mask);
649 }
650
651 /* pixels to clear... */
652 mask = 0xff & ~bg;
653 if (mask != 0) {
654 wcfb_rop_wait(sc);
655 wcfb_rop_jfb(sc, x, y, x, y, w, h, WC_ROP_CLEAR, mask);
656 }
657 }
658
659 void
660 wcfb_rop_common(struct wcfb_softc *sc, bus_addr_t reg, int sx, int sy,
661 int dx, int dy, int w, int h, uint32_t rop, int32_t planemask)
662 {
663 int dir = 0;
664
665 /*
666 * Compute rop direction. This only really matters for
667 * screen-to-screen copies.
668 */
669 if (sy < dy /* && sy + h > dy */) {
670 sy += h - 1;
671 dy += h;
672 dir |= WC_BLT_DIR_BACKWARDS_Y;
673 }
674 if (sx < dx /* && sx + w > dx */) {
675 sx += w - 1;
676 dx += w;
677 dir |= WC_BLT_DIR_BACKWARDS_X;
678 }
679
680 /* Which one of those below is your magic number for today? */
681 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x61000001);
682 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0);
683 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x6301c080);
684 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x80000000);
685 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, rop);
686 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, planemask);
687 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0);
688 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x64000303);
689 /*
690 * This value is a pixel offset within the destination area. It is
691 * probably used to define complex polygon shapes, with the
692 * last pixel in the list being back to (0,0).
693 */
694 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, WCFB_COORDS(0, 0));
695 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0);
696 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x00030000);
697 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x2200010d);
698
699 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x33f01000 | dir);
700 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, WCFB_COORDS(dx, dy));
701 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, WCFB_COORDS(w, h));
702 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, WCFB_COORDS(sx, sy));
703 }
704
705
706 static void
707 wcfb_rop_jfb(struct wcfb_softc *sc, int sx, int sy, int dx, int dy,
708 int w, int h, uint32_t rop, int32_t planemask)
709 {
710 bus_addr_t reg = WC_JFB_ENGINE;
711 uint32_t spr, splr;
712
713 #if 0
714 /*
715 * Pick the current spr and splr values from the communication
716 * area if possible.
717 */
718 if (sc->sc_comm != NULL) {
719 spr = sc->sc_comm[IFB_SHARED_TERM8_SPR >> 2];
720 splr = sc->sc_comm[IFB_SHARED_TERM8_SPLR >> 2];
721 } else
722 #endif
723 {
724 /* supposedly sane defaults */
725 spr = 0x54ff0303;
726 splr = 0x5c0000ff;
727 }
728
729 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x00400016);
730 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x5b000002);
731 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x5a000000);
732 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, spr);
733 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, splr);
734
735 wcfb_rop_common(sc, reg, sx, sy, dx, dy, w, h, rop, planemask);
736
737 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x5a000001);
738 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x5b000001);
739 }
740
741 static int
742 wcfb_rop_wait(struct wcfb_softc *sc)
743 {
744 int i;
745
746 for (i = 1000000; i != 0; i--) {
747 if (bus_space_read_4(sc->sc_regt, sc->sc_regh,
748 WC_STATUS) & WC_STATUS_DONE)
749 break;
750 delay(1);
751 }
752
753 return i;
754 }
755
756 static void
757 wcfb_acc_putchar(void *cookie, int row, int col, u_int c, long attr)
758 {
759 struct rasops_info *ri = cookie;
760 struct vcons_screen *scr = ri->ri_hw;
761 struct wcfb_softc *sc = scr->scr_cookie;
762 struct wsdisplay_font *font = PICK_FONT(ri, c);
763 int x, y, wi, he;
764 uint32_t bg;
765
766 wi = font->fontwidth;
767 he = font->fontheight;
768 x = ri->ri_xorigin + col * wi;
769 y = ri->ri_yorigin + row * he;
770 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
771 if (c == 0x20) {
772 wcfb_rectfill(sc, x, y, wi, he, bg);
773 return;
774 }
775 /* we wait until the blitter is idle... */
776 wcfb_rop_wait(sc);
777 /* ... draw the character into buffer 0 ... */
778 sc->putchar(ri, row, col, c, attr);
779 /* ... and then blit it into buffer 1 */
780 wcfb_bitblt(sc, x, y, x, y, wi, he, WC_ROP_COPY);
781 }
782
783 static void
784 wcfb_acc_cursor(void *cookie, int on, int row, int col)
785 {
786 struct rasops_info *ri = cookie;
787 struct vcons_screen *scr = ri->ri_hw;
788 struct wcfb_softc *sc = scr->scr_cookie;
789 int x, y, wi, he;
790
791 wi = ri->ri_font->fontwidth;
792 he = ri->ri_font->fontheight;
793
794 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
795 x = ri->ri_ccol * wi + ri->ri_xorigin;
796 y = ri->ri_crow * he + ri->ri_yorigin;
797 if (ri->ri_flg & RI_CURSOR) {
798 wcfb_bitblt(sc, x, y, x, y, wi, he, WC_ROP_XOR);
799 ri->ri_flg &= ~RI_CURSOR;
800 }
801 ri->ri_crow = row;
802 ri->ri_ccol = col;
803 if (on) {
804 x = ri->ri_ccol * wi + ri->ri_xorigin;
805 y = ri->ri_crow * he + ri->ri_yorigin;
806 wcfb_bitblt(sc, x, y, x, y, wi, he, WC_ROP_XOR);
807 ri->ri_flg |= RI_CURSOR;
808 }
809 } else {
810 scr->scr_ri.ri_crow = row;
811 scr->scr_ri.ri_ccol = col;
812 scr->scr_ri.ri_flg &= ~RI_CURSOR;
813 }
814
815 }
816
817 static void
818 wcfb_acc_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
819 {
820 struct rasops_info *ri = cookie;
821 struct vcons_screen *scr = ri->ri_hw;
822 struct wcfb_softc *sc = scr->scr_cookie;
823 int32_t xs, xd, y, width, height;
824
825 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
826 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
827 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
828 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
829 width = ri->ri_font->fontwidth * ncols;
830 height = ri->ri_font->fontheight;
831 wcfb_bitblt(sc, xs, y, xd, y, width, height, WC_ROP_COPY);
832 }
833 }
834
835 static void
836 wcfb_acc_erasecols(void *cookie, int row, int startcol, int ncols,
837 long fillattr)
838 {
839 struct rasops_info *ri = cookie;
840 struct vcons_screen *scr = ri->ri_hw;
841 struct wcfb_softc *sc = scr->scr_cookie;
842 int32_t x, y, width, height, fg, bg, ul;
843
844 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
845 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
846 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
847 width = ri->ri_font->fontwidth * ncols;
848 height = ri->ri_font->fontheight;
849 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
850
851 wcfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
852 }
853 }
854
855 static void
856 wcfb_acc_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
857 {
858 struct rasops_info *ri = cookie;
859 struct vcons_screen *scr = ri->ri_hw;
860 struct wcfb_softc *sc = scr->scr_cookie;
861 int32_t x, ys, yd, width, height;
862
863 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
864 x = ri->ri_xorigin;
865 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
866 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
867 width = ri->ri_emuwidth;
868 height = ri->ri_font->fontheight * nrows;
869 wcfb_bitblt(sc, x, ys, x, yd, width, height, WC_ROP_COPY);
870 }
871 }
872
873 static void
874 wcfb_acc_eraserows(void *cookie, int row, int nrows, long fillattr)
875 {
876 struct rasops_info *ri = cookie;
877 struct vcons_screen *scr = ri->ri_hw;
878 struct wcfb_softc *sc = scr->scr_cookie;
879 int32_t x, y, width, height, fg, bg, ul;
880
881 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
882 x = ri->ri_xorigin;
883 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
884 width = ri->ri_emuwidth;
885 height = ri->ri_font->fontheight * nrows;
886 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
887
888 wcfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
889 }
890 }
891