wcfb.c revision 1.15 1 /* $NetBSD: wcfb.c,v 1.15 2017/03/24 00:51:43 macallan Exp $ */
2
3 /*
4 * Copyright (c) 2007, 2008, 2009 Miodrag Vallat.
5 * 2010 Michael Lorenz
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 /* a driver for (some) 3DLabs Wildcat cards, based on OpenBSD's ifb driver */
21
22 #include <sys/cdefs.h>
23 __KERNEL_RCSID(0, "$NetBSD: wcfb.c,v 1.15 2017/03/24 00:51:43 macallan Exp $");
24
25 #include <sys/param.h>
26 #include <sys/systm.h>
27 #include <sys/kernel.h>
28 #include <sys/device.h>
29 #include <sys/proc.h>
30 #include <sys/mutex.h>
31 #include <sys/ioctl.h>
32 #include <sys/kernel.h>
33 #include <sys/systm.h>
34 #include <sys/kauth.h>
35 #include <sys/kmem.h>
36
37 #include <dev/pci/pcidevs.h>
38 #include <dev/pci/pcireg.h>
39 #include <dev/pci/pcivar.h>
40 #include <dev/pci/pciio.h>
41 #include <dev/pci/wcfbreg.h>
42
43 #include <dev/wscons/wsdisplayvar.h>
44 #include <dev/wscons/wsconsio.h>
45 #include <dev/wsfont/wsfont.h>
46 #include <dev/rasops/rasops.h>
47 #include <dev/wscons/wsdisplay_vconsvar.h>
48 #include <dev/pci/wsdisplay_pci.h>
49
50 #include "opt_wsfb.h"
51 #include "opt_wsdisplay_compat.h"
52
53 #ifdef WCFB_DEBUG
54 # define DPRINTF printf
55 #else
56 # define DPRINTF while (0) printf
57 #endif
58
59 static int wcfb_match(device_t, cfdata_t, void *);
60 static void wcfb_attach(device_t, device_t, void *);
61 static int wcfb_ioctl(void *, void *, u_long, void *, int,
62 struct lwp *);
63 static paddr_t wcfb_mmap(void *, void *, off_t, int);
64
65 struct wcfb_softc {
66 device_t sc_dev;
67
68 pci_chipset_tag_t sc_pc;
69 pcitag_t sc_pcitag;
70
71 bus_space_tag_t sc_memt;
72 bus_space_tag_t sc_regt, sc_wtft;
73 bus_space_tag_t sc_iot;
74
75 bus_space_handle_t sc_fbh;
76 bus_space_handle_t sc_regh;
77 bus_addr_t sc_fb, sc_reg;
78 bus_size_t sc_fbsize, sc_regsize;
79
80 int sc_width, sc_height, sc_stride;
81 int sc_locked;
82 uint8_t *sc_fbaddr, *sc_fb0, *sc_fb1, *sc_shadow;
83 struct vcons_screen sc_console_screen;
84 struct wsscreen_descr sc_defaultscreen_descr;
85 const struct wsscreen_descr *sc_screens[1];
86 struct wsscreen_list sc_screenlist;
87 struct vcons_data vd;
88 int sc_mode;
89 u_char sc_cmap_red[256];
90 u_char sc_cmap_green[256];
91 u_char sc_cmap_blue[256];
92 uint32_t sc_fb0off, sc_fb1off, sc_fb8size;
93
94 void (*copycols)(void *, int, int, int, int);
95 void (*erasecols)(void *, int, int, int, long);
96 void (*copyrows)(void *, int, int, int);
97 void (*eraserows)(void *, int, int, long);
98 void (*putchar)(void *, int, int, u_int, long);
99 void (*cursor)(void *, int, int, int);
100 int sc_is_jfb;
101 };
102
103 static void wcfb_init_screen(void *, struct vcons_screen *, int, long *);
104
105 CFATTACH_DECL_NEW(wcfb, sizeof(struct wcfb_softc),
106 wcfb_match, wcfb_attach, NULL, NULL);
107
108 struct wsdisplay_accessops wcfb_accessops = {
109 wcfb_ioctl,
110 wcfb_mmap,
111 NULL, /* alloc_screen */
112 NULL, /* free_screen */
113 NULL, /* show_screen */
114 NULL, /* load_font */
115 NULL, /* pollc */
116 NULL /* scroll */
117 };
118
119 static void wcfb_putchar(void *, int, int, u_int, long);
120 static void wcfb_cursor(void *, int, int, int);
121 static void wcfb_copycols(void *, int, int, int, int);
122 static void wcfb_erasecols(void *, int, int, int, long);
123 static void wcfb_copyrows(void *, int, int, int);
124 static void wcfb_eraserows(void *, int, int, long);
125
126 static void wcfb_acc_putchar(void *, int, int, u_int, long);
127 static void wcfb_acc_cursor(void *, int, int, int);
128 static void wcfb_acc_copycols(void *, int, int, int, int);
129 static void wcfb_acc_erasecols(void *, int, int, int, long);
130 static void wcfb_acc_copyrows(void *, int, int, int);
131 static void wcfb_acc_eraserows(void *, int, int, long);
132
133 static void wcfb_putpalreg(struct wcfb_softc *, int, int, int, int);
134
135 static void wcfb_bitblt(struct wcfb_softc *, int, int, int, int, int,
136 int, uint32_t);
137 static void wcfb_rectfill(struct wcfb_softc *, int, int, int, int, int);
138 static void wcfb_rop_common(struct wcfb_softc *, bus_addr_t, int, int, int,
139 int, int, int, uint32_t, int32_t);
140 static void wcfb_rop_jfb(struct wcfb_softc *, int, int, int, int, int, int,
141 uint32_t, int32_t);
142 static int wcfb_rop_wait(struct wcfb_softc *);
143
144 static int
145 wcfb_match(device_t parent, cfdata_t match, void *aux)
146 {
147 struct pci_attach_args *pa = aux;
148
149 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_3DLABS &&
150 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_WILDCAT5110)
151 return 100;
152
153 return 0;
154 }
155
156 static void
157 wcfb_attach(device_t parent, device_t self, void *aux)
158 {
159 struct wcfb_softc *sc = device_private(self);
160 struct pci_attach_args *pa = aux;
161 struct rasops_info *ri;
162 prop_dictionary_t dict;
163 struct wsemuldisplaydev_attach_args aa;
164 int i, j;
165 uint32_t reg;
166 unsigned long defattr;
167 bool is_console = 0;
168 uint32_t sub;
169
170 sc->sc_dev = self;
171 sc->putchar = NULL;
172 pci_aprint_devinfo(pa, NULL);
173
174 dict = device_properties(self);
175 prop_dictionary_get_bool(dict, "is_console", &is_console);
176 #ifndef WCFB_DEBUG
177 if (!is_console) return;
178 #endif
179 sc->sc_memt = pa->pa_memt;
180 sc->sc_iot = pa->pa_iot;
181 sc->sc_pc = pa->pa_pc;
182 sc->sc_pcitag = pa->pa_tag;
183
184 if (pci_mapreg_map(pa, 0x14, PCI_MAPREG_TYPE_MEM, 0,
185 &sc->sc_regt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) {
186 aprint_error("%s: failed to map registers.\n",
187 device_xname(sc->sc_dev));
188 }
189
190 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM,
191 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE,
192 &sc->sc_memt, &sc->sc_fbh, &sc->sc_fb, &sc->sc_fbsize)) {
193 aprint_error("%s: failed to map framebuffer.\n",
194 device_xname(sc->sc_dev));
195 }
196
197 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh);
198 #ifdef DEBUG
199 memset(sc->sc_fbaddr, 0, sc->sc_fbsize);
200 #endif
201 sc->sc_fb0off =
202 bus_space_read_4(sc->sc_regt, sc->sc_regh,
203 WC_FB8_ADDR0) - sc->sc_fb;
204 sc->sc_fb0 = sc->sc_fbaddr + sc->sc_fb0off;
205 sc->sc_fb1off =
206 bus_space_read_4(sc->sc_regt, sc->sc_regh,
207 WC_FB8_ADDR1) - sc->sc_fb;
208 sc->sc_fb1 = sc->sc_fbaddr + sc->sc_fb1off;
209 sc->sc_fb8size = 2 * (sc->sc_fb1off - sc->sc_fb0off);
210 printf("fb %08x %08x %08x\n", sc->sc_fb0off, sc->sc_fb1off, sc->sc_fb8size);
211
212 sub = pci_conf_read(sc->sc_pc, sc->sc_pcitag, PCI_SUBSYS_ID_REG);
213 aprint_normal("subsys: %08x\n", sub);
214 switch (sub) {
215 case WC_XVR1200:
216 sc->sc_is_jfb = 1;
217 break;
218 default:
219 sc->sc_is_jfb = 0;
220 }
221
222 reg = bus_space_read_4(sc->sc_regt, sc->sc_regh, WC_RESOLUTION);
223 sc->sc_height = (reg >> 16) + 1;
224 #ifdef WCFB_DEBUG
225 sc->sc_height -= 200;
226 #endif
227 sc->sc_width = (reg & 0xffff) + 1;
228 sc->sc_stride = 1 <<
229 ((bus_space_read_4(sc->sc_regt, sc->sc_regh, WC_CONFIG) &
230 0x00ff0000) >> 16);
231 aprint_normal_dev(self, "%d x %d, %d\n",
232 sc->sc_width, sc->sc_height, sc->sc_stride);
233
234 if (sc->sc_is_jfb == 0) {
235 sc->sc_shadow = kmem_alloc(sc->sc_stride * sc->sc_height,
236 KM_SLEEP);
237 if (sc->sc_shadow == NULL) {
238 aprint_error_dev(self,
239 "failed to allocate shadow buffer\n");
240 return;
241 }
242 }
243
244 for (i = 0x40; i < 0x100; i += 16) {
245 aprint_normal("%04x:", i);
246 for (j = 0; j < 16; j += 4) {
247 aprint_normal(" %08x", bus_space_read_4(sc->sc_regt,
248 sc->sc_regh, 0x8000 + i + j));
249 }
250 aprint_normal("\n");
251 }
252
253 /* make sure video output is on */
254 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_DPMS_STATE, WC_DPMS_ON);
255
256 #if 0
257 /* testing & debugging voodoo */
258 memset(sc->sc_fb0, 0x01, 0x00100000);
259 memset(sc->sc_fb1, 0x00, 0x00100000);
260 wcfb_rop_wait(sc);
261 wcfb_rop_jfb(sc, 0, 0, 0, 0, 600, 600, WC_ROP_SET, 0xffffffff);
262 wcfb_rop_wait(sc);
263 delay(4000000);
264 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_FB8_ADDR1,
265 bus_space_read_4(sc->sc_regt, sc->sc_regh, WC_FB8_ADDR0));
266 delay(8000000);
267 #endif
268 sc->sc_defaultscreen_descr = (struct wsscreen_descr){
269 "default",
270 0, 0,
271 NULL,
272 8, 16,
273 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
274 NULL
275 };
276 sc->sc_screens[0] = &sc->sc_defaultscreen_descr;
277 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
278 sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
279 sc->sc_locked = 0;
280
281 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr,
282 &wcfb_accessops);
283 sc->vd.init_screen = wcfb_init_screen;
284
285 /* init engine here */
286 #if 0
287 wcfb_init(sc);
288 #endif
289
290 ri = &sc->sc_console_screen.scr_ri;
291
292 j = 0;
293 for (i = 0; i < 256; i++) {
294
295 sc->sc_cmap_red[i] = rasops_cmap[j];
296 sc->sc_cmap_green[i] = rasops_cmap[j + 1];
297 sc->sc_cmap_blue[i] = rasops_cmap[j + 2];
298 wcfb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1],
299 rasops_cmap[j + 2]);
300 j += 3;
301 }
302
303 if (is_console) {
304 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
305 &defattr);
306 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
307
308 if (sc->sc_is_jfb) {
309 wcfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height,
310 ri->ri_devcmap[(defattr >> 16) & 0xff]);
311 } else {
312 memset(sc->sc_fb0,
313 ri->ri_devcmap[(defattr >> 16) & 0xff],
314 sc->sc_stride * sc->sc_height);
315 memset(sc->sc_fb1,
316 ri->ri_devcmap[(defattr >> 16) & 0xff],
317 sc->sc_stride * sc->sc_height);
318 }
319 sc->sc_defaultscreen_descr.textops = &ri->ri_ops;
320 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps;
321 sc->sc_defaultscreen_descr.nrows = ri->ri_rows;
322 sc->sc_defaultscreen_descr.ncols = ri->ri_cols;
323 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
324 defattr);
325 vcons_replay_msgbuf(&sc->sc_console_screen);
326 } else {
327 /*
328 * since we're not the console we can postpone the rest
329 * until someone actually allocates a screen for us
330 */
331 memset(sc->sc_fb0, WS_DEFAULT_BG,
332 sc->sc_stride * sc->sc_height);
333 memset(sc->sc_fb1, WS_DEFAULT_BG,
334 sc->sc_stride * sc->sc_height);
335 return;
336 }
337
338 aa.console = is_console;
339 aa.scrdata = &sc->sc_screenlist;
340 aa.accessops = &wcfb_accessops;
341 aa.accesscookie = &sc->vd;
342
343 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
344 }
345
346 static int
347 wcfb_putcmap(struct wcfb_softc *sc, struct wsdisplay_cmap *cm)
348 {
349 u_char *r, *g, *b;
350 u_int index = cm->index;
351 u_int count = cm->count;
352 int i, error;
353 u_char rbuf[256], gbuf[256], bbuf[256];
354
355 if (cm->index >= 256 || cm->count > 256 ||
356 (cm->index + cm->count) > 256)
357 return EINVAL;
358 error = copyin(cm->red, &rbuf[index], count);
359 if (error)
360 return error;
361 error = copyin(cm->green, &gbuf[index], count);
362 if (error)
363 return error;
364 error = copyin(cm->blue, &bbuf[index], count);
365 if (error)
366 return error;
367
368 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
369 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
370 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
371
372 r = &sc->sc_cmap_red[index];
373 g = &sc->sc_cmap_green[index];
374 b = &sc->sc_cmap_blue[index];
375
376 for (i = 0; i < count; i++) {
377 wcfb_putpalreg(sc, index, *r, *g, *b);
378 index++;
379 r++, g++, b++;
380 }
381 return 0;
382 }
383
384 static int
385 wcfb_getcmap(struct wcfb_softc *sc, struct wsdisplay_cmap *cm)
386 {
387 u_int index = cm->index;
388 u_int count = cm->count;
389 int error;
390
391 if (index >= 255 || count > 256 || index + count > 256)
392 return EINVAL;
393
394 error = copyout(&sc->sc_cmap_red[index], cm->red, count);
395 if (error)
396 return error;
397 error = copyout(&sc->sc_cmap_green[index], cm->green, count);
398 if (error)
399 return error;
400 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
401 if (error)
402 return error;
403
404 return 0;
405 }
406
407 static int
408 wcfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
409 struct lwp *l)
410 {
411 struct vcons_data *vd = v;
412 struct wcfb_softc *sc = vd->cookie;
413
414 switch (cmd) {
415 case WSDISPLAYIO_GTYPE:
416 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
417 return 0;
418
419 /* PCI config read/write passthrough. */
420 case PCI_IOC_CFGREAD:
421 case PCI_IOC_CFGWRITE:
422 return pci_devioctl(sc->sc_pc, sc->sc_pcitag,
423 cmd, data, flag, l);
424
425 case WSDISPLAYIO_GET_BUSID:
426 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
427 sc->sc_pcitag, data);
428
429 case WSDISPLAYIO_SMODE: {
430 /*int new_mode = *(int*)data, i;*/
431 }
432 return 0;
433
434 case WSDISPLAYIO_GETCMAP:
435 return wcfb_getcmap(sc,
436 (struct wsdisplay_cmap *)data);
437
438 case WSDISPLAYIO_PUTCMAP:
439 return wcfb_putcmap(sc,
440 (struct wsdisplay_cmap *)data);
441
442 case WSDISPLAYIO_GET_FBINFO: {
443 struct wsdisplayio_fbinfo *fbi = data;
444
445 fbi->fbi_fbsize = sc->sc_fb8size;
446 fbi->fbi_fboffset = 0;
447 fbi->fbi_width = sc->sc_width;
448 fbi->fbi_height = sc->sc_height;
449 fbi->fbi_bitsperpixel = 8;
450 fbi->fbi_stride = sc->sc_stride;
451 fbi->fbi_pixeltype = WSFB_CI;
452 fbi->fbi_subtype.fbi_cmapinfo.cmap_entries = 256;
453 fbi->fbi_flags = WSFB_VRAM_IS_SPLIT;
454 return 0;
455 }
456 }
457 return EPASSTHROUGH;
458 }
459
460 static paddr_t
461 wcfb_mmap(void *v, void *vs, off_t offset, int prot)
462 {
463 struct vcons_data *vd = v;
464 struct wcfb_softc *sc = vd->cookie;
465
466 /* XXX in theory the order is not fixed... */
467
468 if (offset < sc->sc_fb8size)
469 return bus_space_mmap(sc->sc_memt, sc->sc_fb + sc->sc_fb0off,
470 offset, prot,
471 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE);
472 /*
473 * restrict all other mappings to processes with superuser privileges
474 * or the kernel itself
475 */
476 if (kauth_authorize_machdep(kauth_cred_get(),
477 KAUTH_MACHDEP_UNMANAGEDMEM,
478 NULL, NULL, NULL, NULL) != 0) {
479 aprint_normal_dev(sc->sc_dev, "mmap() rejected.\n");
480 return -1;
481 }
482
483 /* may want to mmap() registers at some point */
484
485 return -1;
486 }
487
488 static void
489 wcfb_init_screen(void *cookie, struct vcons_screen *scr,
490 int existing, long *defattr)
491 {
492 struct wcfb_softc *sc = cookie;
493 struct rasops_info *ri = &scr->scr_ri;
494
495 ri->ri_depth = 8;
496 ri->ri_width = sc->sc_width;
497 ri->ri_height = sc->sc_height;
498 ri->ri_stride = sc->sc_stride;
499 ri->ri_flg = RI_CENTER /*| RI_FULLCLEAR*/;
500
501 if (sc->sc_is_jfb) {
502 ri->ri_bits = sc->sc_fb0;
503 } else {
504 ri->ri_bits = sc->sc_shadow;
505 }
506 if (existing) {
507 ri->ri_flg |= RI_CLEAR;
508 }
509
510 rasops_init(ri, 0, 0);
511 ri->ri_caps = WSSCREEN_WSCOLORS;
512
513 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
514 sc->sc_width / ri->ri_font->fontwidth);
515
516 ri->ri_hw = scr;
517 sc->putchar = ri->ri_ops.putchar;
518 sc->copyrows = ri->ri_ops.copyrows;
519 sc->eraserows = ri->ri_ops.eraserows;
520 sc->copycols = ri->ri_ops.copycols;
521 sc->erasecols = ri->ri_ops.erasecols;
522
523 if (sc->sc_is_jfb) {
524 ri->ri_ops.copyrows = wcfb_acc_copyrows;
525 ri->ri_ops.copycols = wcfb_acc_copycols;
526 ri->ri_ops.eraserows = wcfb_acc_eraserows;
527 ri->ri_ops.erasecols = wcfb_acc_erasecols;
528 ri->ri_ops.putchar = wcfb_acc_putchar;
529 ri->ri_ops.cursor = wcfb_acc_cursor;
530 } else {
531 ri->ri_ops.copyrows = wcfb_copyrows;
532 ri->ri_ops.copycols = wcfb_copycols;
533 ri->ri_ops.eraserows = wcfb_eraserows;
534 ri->ri_ops.erasecols = wcfb_erasecols;
535 ri->ri_ops.putchar = wcfb_putchar;
536 ri->ri_ops.cursor = wcfb_cursor;
537 }
538 }
539
540 static void
541 wcfb_putchar(void *cookie, int row, int col, u_int c, long attr)
542 {
543 struct rasops_info *ri = cookie;
544 struct vcons_screen *scr = ri->ri_hw;
545 struct wcfb_softc *sc = scr->scr_cookie;
546 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) *
547 sc->sc_stride + ri->ri_xorigin + col * ri->ri_font->fontwidth;
548 uint8_t *from, *to0, *to1;
549 int i;
550
551 sc->putchar(ri, row, col, c, attr);
552 from = sc->sc_shadow + offset;
553 to0 = sc->sc_fb0 + offset;
554 to1 = sc->sc_fb1 + offset;
555 for (i = 0; i < ri->ri_font->fontheight; i++) {
556 memcpy(to0, from, ri->ri_font->fontwidth);
557 memcpy(to1, from, ri->ri_font->fontwidth);
558 to0 += sc->sc_stride;
559 to1 += sc->sc_stride;
560 from += sc->sc_stride;
561 }
562 }
563
564 static void
565 wcfb_putpalreg(struct wcfb_softc *sc, int i, int r, int g, int b)
566 {
567 uint32_t rgb;
568
569 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_CMAP_INDEX, i);
570 rgb = (b << 22) | (g << 12) | (r << 2);
571 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_CMAP_DATA, rgb);
572 }
573
574 static void
575 wcfb_cursor(void *cookie, int on, int row, int col)
576 {
577 struct rasops_info *ri = cookie;
578 struct vcons_screen *scr = ri->ri_hw;
579 struct wcfb_softc *sc = scr->scr_cookie;
580 int coffset;
581
582 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
583
584 if (ri->ri_flg & RI_CURSOR) {
585 /* remove cursor */
586 coffset = ri->ri_ccol + (ri->ri_crow * ri->ri_cols);
587 #ifdef WSDISPLAY_SCROLLSUPPORT
588 coffset += scr->scr_offset_to_zero;
589 #endif
590 wcfb_putchar(cookie, ri->ri_crow,
591 ri->ri_ccol, scr->scr_chars[coffset],
592 scr->scr_attrs[coffset]);
593 ri->ri_flg &= ~RI_CURSOR;
594 }
595 ri->ri_crow = row;
596 ri->ri_ccol = col;
597 if (on) {
598 long attr, revattr;
599 coffset = col + (row * ri->ri_cols);
600 #ifdef WSDISPLAY_SCROLLSUPPORT
601 coffset += scr->scr_offset_to_zero;
602 #endif
603 attr = scr->scr_attrs[coffset];
604 revattr = attr ^ 0xffff0000;
605
606 wcfb_putchar(cookie, ri->ri_crow, ri->ri_ccol,
607 scr->scr_chars[coffset], revattr);
608 ri->ri_flg |= RI_CURSOR;
609 }
610 } else {
611 ri->ri_crow = row;
612 ri->ri_ccol = col;
613 ri->ri_flg &= ~RI_CURSOR;
614 }
615 }
616
617 static void
618 wcfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
619 {
620 struct rasops_info *ri = cookie;
621 struct vcons_screen *scr = ri->ri_hw;
622 struct wcfb_softc *sc = scr->scr_cookie;
623 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) *
624 sc->sc_stride + ri->ri_xorigin + dstcol * ri->ri_font->fontwidth;
625 uint8_t *from, *to0, *to1;
626 int i;
627
628 sc->copycols(ri, row, srccol, dstcol, ncols);
629 from = sc->sc_shadow + offset;
630 to0 = sc->sc_fb0 + offset;
631 to1 = sc->sc_fb1 + offset;
632 for (i = 0; i < ri->ri_font->fontheight; i++) {
633 memcpy(to0, from, ri->ri_font->fontwidth * ncols);
634 memcpy(to1, from, ri->ri_font->fontwidth * ncols);
635 to0 += sc->sc_stride;
636 to1 += sc->sc_stride;
637 from += sc->sc_stride;
638 }
639 }
640
641 static void
642 wcfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
643 {
644 struct rasops_info *ri = cookie;
645 struct vcons_screen *scr = ri->ri_hw;
646 struct wcfb_softc *sc = scr->scr_cookie;
647 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) *
648 sc->sc_stride + ri->ri_xorigin + startcol * ri->ri_font->fontwidth;
649 uint8_t *to0, *to1;
650 int i;
651
652 sc->erasecols(ri, row, startcol, ncols, fillattr);
653
654 to0 = sc->sc_fb0 + offset;
655 to1 = sc->sc_fb1 + offset;
656 for (i = 0; i < ri->ri_font->fontheight; i++) {
657 memset(to0, ri->ri_devcmap[(fillattr >> 16) & 0xff],
658 ri->ri_font->fontwidth * ncols);
659 memset(to1, ri->ri_devcmap[(fillattr >> 16) & 0xff],
660 ri->ri_font->fontwidth * ncols);
661 to0 += sc->sc_stride;
662 to1 += sc->sc_stride;
663 }
664 }
665
666 static void
667 wcfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
668 {
669 struct rasops_info *ri = cookie;
670 struct vcons_screen *scr = ri->ri_hw;
671 struct wcfb_softc *sc = scr->scr_cookie;
672 int offset = (ri->ri_yorigin + dstrow * ri->ri_font->fontheight) *
673 sc->sc_stride + ri->ri_xorigin;
674 uint8_t *from, *to0, *to1;
675 int i;
676
677 sc->copyrows(ri, srcrow, dstrow, nrows);
678
679 from = sc->sc_shadow + offset;
680 to0 = sc->sc_fb0 + offset;
681 to1 = sc->sc_fb1 + offset;
682 for (i = 0; i < ri->ri_font->fontheight * nrows; i++) {
683 memcpy(to0, from, ri->ri_emuwidth);
684 memcpy(to1, from, ri->ri_emuwidth);
685 to0 += sc->sc_stride;
686 to1 += sc->sc_stride;
687 from += sc->sc_stride;
688 }
689 }
690
691 static void
692 wcfb_eraserows(void *cookie, int row, int nrows, long fillattr)
693 {
694 struct rasops_info *ri = cookie;
695 struct vcons_screen *scr = ri->ri_hw;
696 struct wcfb_softc *sc = scr->scr_cookie;
697 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) *
698 sc->sc_stride + ri->ri_xorigin;
699 uint8_t *to0, *to1;
700 int i;
701
702 sc->eraserows(ri, row, nrows, fillattr);
703
704 to0 = sc->sc_fb0 + offset;
705 to1 = sc->sc_fb1 + offset;
706 for (i = 0; i < ri->ri_font->fontheight * nrows; i++) {
707 memset(to0, ri->ri_devcmap[(fillattr >> 16) & 0xff],
708 ri->ri_emuwidth);
709 memset(to1, ri->ri_devcmap[(fillattr >> 16) & 0xff],
710 ri->ri_emuwidth);
711 to0 += sc->sc_stride;
712 to1 += sc->sc_stride;
713 }
714 }
715
716 static void
717 wcfb_bitblt(struct wcfb_softc *sc, int sx, int sy, int dx, int dy, int w,
718 int h, uint32_t rop)
719 {
720 wcfb_rop_wait(sc);
721 wcfb_rop_jfb(sc, sx, sy, dx, dy, w, h, rop, 0x0f);
722 }
723
724 static void
725 wcfb_rectfill(struct wcfb_softc *sc, int x, int y, int w, int h, int bg)
726 {
727 int32_t mask;
728
729 /* clear everything just in case... */
730 wcfb_rop_wait(sc);
731 wcfb_rop_jfb(sc, x, y, x, y, w, h, WC_ROP_CLEAR, 0xffffffff);
732
733 /* pixels to set... */
734 mask = 0x0f & bg;
735 if (mask != 0) {
736 wcfb_rop_wait(sc);
737 wcfb_rop_jfb(sc, x, y, x, y, w, h, WC_ROP_SET, mask);
738 }
739
740 }
741
742 void
743 wcfb_rop_common(struct wcfb_softc *sc, bus_addr_t reg, int sx, int sy,
744 int dx, int dy, int w, int h, uint32_t rop, int32_t planemask)
745 {
746 int dir = 0;
747
748 /*
749 * Compute rop direction. This only really matters for
750 * screen-to-screen copies.
751 */
752 if (sy < dy /* && sy + h > dy */) {
753 sy += h - 1;
754 dy += h;
755 dir |= WC_BLT_DIR_BACKWARDS_Y;
756 }
757 if (sx < dx /* && sx + w > dx */) {
758 sx += w - 1;
759 dx += w;
760 dir |= WC_BLT_DIR_BACKWARDS_X;
761 }
762
763 /* Which one of those below is your magic number for today? */
764 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x61000001);
765 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0);
766 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x6301c080);
767 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x80000000);
768 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, rop);
769 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, planemask);
770 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0);
771 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x64000303);
772 /*
773 * This value is a pixel offset within the destination area. It is
774 * probably used to define complex polygon shapes, with the
775 * last pixel in the list being back to (0,0).
776 */
777 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, WCFB_COORDS(0, 0));
778 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0);
779 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x00030000);
780 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x2200010d);
781
782 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x33f01000 | dir);
783 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, WCFB_COORDS(dx, dy));
784 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, WCFB_COORDS(w, h));
785 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, WCFB_COORDS(sx, sy));
786 }
787
788
789 static void
790 wcfb_rop_jfb(struct wcfb_softc *sc, int sx, int sy, int dx, int dy,
791 int w, int h, uint32_t rop, int32_t planemask)
792 {
793 bus_addr_t reg = WC_JFB_ENGINE;
794 uint32_t spr, splr;
795
796 #if 0
797 /*
798 * Pick the current spr and splr values from the communication
799 * area if possible.
800 */
801 if (sc->sc_comm != NULL) {
802 spr = sc->sc_comm[IFB_SHARED_TERM8_SPR >> 2];
803 splr = sc->sc_comm[IFB_SHARED_TERM8_SPLR >> 2];
804 } else
805 #endif
806 {
807 /* supposedly sane defaults */
808 spr = 0x54ff0303;
809 splr = 0x5c0000ff;
810 }
811
812 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x00400016);
813 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x5b000002);
814 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x5a000000);
815 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, spr);
816 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, splr);
817
818 wcfb_rop_common(sc, reg, sx, sy, dx, dy, w, h, rop, planemask);
819
820 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x5a000001);
821 bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, 0x5b000001);
822 }
823
824 static int
825 wcfb_rop_wait(struct wcfb_softc *sc)
826 {
827 int i;
828
829 for (i = 1000000; i != 0; i--) {
830 if (bus_space_read_4(sc->sc_regt, sc->sc_regh,
831 WC_STATUS) & WC_STATUS_DONE)
832 break;
833 delay(1);
834 }
835
836 return i;
837 }
838
839 static void
840 wcfb_acc_putchar(void *cookie, int row, int col, u_int c, long attr)
841 {
842 struct rasops_info *ri = cookie;
843 struct vcons_screen *scr = ri->ri_hw;
844 struct wcfb_softc *sc = scr->scr_cookie;
845 struct wsdisplay_font *font = PICK_FONT(ri, c);
846 int x, y, wi, he;
847 uint32_t bg;
848
849 wi = font->fontwidth;
850 he = font->fontheight;
851 x = ri->ri_xorigin + col * wi;
852 y = ri->ri_yorigin + row * he;
853 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
854 if (c == 0x20) {
855 wcfb_rectfill(sc, x, y, wi, he, bg);
856 return;
857 }
858 /* we wait until the blitter is idle... */
859 wcfb_rop_wait(sc);
860 /* ... draw the character into buffer 0 ... */
861 sc->putchar(ri, row, col, c, attr);
862 /* ... and then blit it into buffer 1 */
863 wcfb_bitblt(sc, x, y, x, y, wi, he, WC_ROP_COPY);
864 }
865
866 static void
867 wcfb_acc_cursor(void *cookie, int on, int row, int col)
868 {
869 struct rasops_info *ri = cookie;
870 struct vcons_screen *scr = ri->ri_hw;
871 struct wcfb_softc *sc = scr->scr_cookie;
872 int x, y, wi, he;
873
874 wi = ri->ri_font->fontwidth;
875 he = ri->ri_font->fontheight;
876
877 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
878 x = ri->ri_ccol * wi + ri->ri_xorigin;
879 y = ri->ri_crow * he + ri->ri_yorigin;
880 if (ri->ri_flg & RI_CURSOR) {
881 wcfb_bitblt(sc, x, y, x, y, wi, he, WC_ROP_XOR);
882 ri->ri_flg &= ~RI_CURSOR;
883 }
884 ri->ri_crow = row;
885 ri->ri_ccol = col;
886 if (on) {
887 x = ri->ri_ccol * wi + ri->ri_xorigin;
888 y = ri->ri_crow * he + ri->ri_yorigin;
889 wcfb_bitblt(sc, x, y, x, y, wi, he, WC_ROP_XOR);
890 ri->ri_flg |= RI_CURSOR;
891 }
892 } else {
893 scr->scr_ri.ri_crow = row;
894 scr->scr_ri.ri_ccol = col;
895 scr->scr_ri.ri_flg &= ~RI_CURSOR;
896 }
897
898 }
899
900 static void
901 wcfb_acc_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
902 {
903 struct rasops_info *ri = cookie;
904 struct vcons_screen *scr = ri->ri_hw;
905 struct wcfb_softc *sc = scr->scr_cookie;
906 int32_t xs, xd, y, width, height;
907
908 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
909 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
910 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
911 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
912 width = ri->ri_font->fontwidth * ncols;
913 height = ri->ri_font->fontheight;
914 wcfb_bitblt(sc, xs, y, xd, y, width, height, WC_ROP_COPY);
915 }
916 }
917
918 static void
919 wcfb_acc_erasecols(void *cookie, int row, int startcol, int ncols,
920 long fillattr)
921 {
922 struct rasops_info *ri = cookie;
923 struct vcons_screen *scr = ri->ri_hw;
924 struct wcfb_softc *sc = scr->scr_cookie;
925 int32_t x, y, width, height, fg, bg, ul;
926
927 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
928 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
929 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
930 width = ri->ri_font->fontwidth * ncols;
931 height = ri->ri_font->fontheight;
932 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
933
934 wcfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
935 }
936 }
937
938 static void
939 wcfb_acc_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
940 {
941 struct rasops_info *ri = cookie;
942 struct vcons_screen *scr = ri->ri_hw;
943 struct wcfb_softc *sc = scr->scr_cookie;
944 int32_t x, ys, yd, width, height;
945
946 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
947 x = ri->ri_xorigin;
948 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
949 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
950 width = ri->ri_emuwidth;
951 height = ri->ri_font->fontheight * nrows;
952 wcfb_bitblt(sc, x, ys, x, yd, width, height, WC_ROP_COPY);
953 }
954 }
955
956 static void
957 wcfb_acc_eraserows(void *cookie, int row, int nrows, long fillattr)
958 {
959 struct rasops_info *ri = cookie;
960 struct vcons_screen *scr = ri->ri_hw;
961 struct wcfb_softc *sc = scr->scr_cookie;
962 int32_t x, y, width, height, fg, bg, ul;
963
964 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
965 x = ri->ri_xorigin;
966 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
967 width = ri->ri_emuwidth;
968 height = ri->ri_font->fontheight * nrows;
969 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
970
971 wcfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
972 }
973 }
974