crmfb.c revision 1.12 1 /* $NetBSD: crmfb.c,v 1.12 2008/02/05 21:42:16 macallan Exp $ */
2
3 /*-
4 * Copyright (c) 2007 Jared D. McNeill <jmcneill (at) invisible.ca>
5 * 2008 Michael Lorenz <macallan (at) netbsd.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Jared D. McNeill.
19 * 4. Neither the name of The NetBSD Foundation nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 /*
37 * SGI-CRM (O2) Framebuffer driver
38 */
39
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: crmfb.c,v 1.12 2008/02/05 21:42:16 macallan Exp $");
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/device.h>
46 #include <sys/malloc.h>
47
48 #define _SGIMIPS_BUS_DMA_PRIVATE
49 #include <machine/autoconf.h>
50 #include <machine/bus.h>
51 #include <machine/machtype.h>
52 #include <machine/vmparam.h>
53
54 #include <dev/arcbios/arcbios.h>
55 #include <dev/arcbios/arcbiosvar.h>
56
57 #include <dev/wscons/wsdisplayvar.h>
58 #include <dev/wscons/wsconsio.h>
59 #include <dev/wsfont/wsfont.h>
60 #include <dev/rasops/rasops.h>
61 #include <dev/wscons/wsdisplay_vconsvar.h>
62
63 #include <arch/sgimips/dev/crmfbreg.h>
64
65 /* #define CRMFB_DEBUG */
66
67 struct wsscreen_descr crmfb_defaultscreen = {
68 "default",
69 0, 0,
70 NULL,
71 8, 16,
72 WSSCREEN_WSCOLORS,
73 NULL,
74 };
75
76 const struct wsscreen_descr *_crmfb_scrlist[] = {
77 &crmfb_defaultscreen,
78 };
79
80 struct wsscreen_list crmfb_screenlist = {
81 sizeof(_crmfb_scrlist) / sizeof(struct wsscreen_descr *),
82 _crmfb_scrlist
83 };
84
85 static struct vcons_screen crmfb_console_screen;
86
87 static int crmfb_ioctl(void *, void *, u_long, void *, int, struct lwp *);
88 static paddr_t crmfb_mmap(void *, void *, off_t, int);
89 static void crmfb_init_screen(void *, struct vcons_screen *, int, long *);
90
91 struct wsdisplay_accessops crmfb_accessops = {
92 crmfb_ioctl,
93 crmfb_mmap,
94 NULL, /* alloc_screen */
95 NULL, /* free_screen */
96 NULL, /* show_screen */
97 NULL, /* load_font */
98 NULL, /* pollc */
99 NULL, /* scroll */
100 };
101
102 /* Memory to allocate to SGI-CRM -- remember, this is stolen from
103 * host memory!
104 */
105 #define CRMFB_TILESIZE (512*128)
106
107 static int crmfb_match(struct device *, struct cfdata *, void *);
108 static void crmfb_attach(struct device *, struct device *, void *);
109 int crmfb_probe(void);
110
111 #define KERNADDR(p) ((void *)((p).addr))
112 #define DMAADDR(p) ((p).map->dm_segs[0].ds_addr)
113
114 #define CRMFB_REG_MASK(msb, lsb) \
115 ( (((uint32_t) 1 << ((msb)-(lsb)+1)) - 1) << (lsb) )
116
117
118 struct crmfb_dma {
119 bus_dmamap_t map;
120 void *addr;
121 bus_dma_segment_t segs[1];
122 int nsegs;
123 size_t size;
124 };
125
126 struct crmfb_softc {
127 struct device sc_dev;
128 struct vcons_data sc_vd;
129
130 bus_space_tag_t sc_iot;
131 bus_space_handle_t sc_ioh;
132 bus_space_handle_t sc_reh;
133
134 bus_dma_tag_t sc_dmat;
135
136 struct crmfb_dma sc_dma;
137 struct crmfb_dma sc_dmai;
138
139 int sc_width;
140 int sc_height;
141 int sc_depth;
142 int sc_tiles_x, sc_tiles_y;
143 uint32_t sc_fbsize;
144 uint8_t *sc_scratch;
145 struct rasops_info sc_rasops;
146 int sc_cells;
147 int sc_current_cell;
148 int sc_wsmode;
149
150 /* cursor stuff */
151 int sc_cur_x;
152 int sc_cur_y;
153 int sc_hot_x;
154 int sc_hot_y;
155
156 u_char sc_cmap_red[256];
157 u_char sc_cmap_green[256];
158 u_char sc_cmap_blue[256];
159 };
160
161 static int crmfb_putcmap(struct crmfb_softc *, struct wsdisplay_cmap *);
162 static int crmfb_getcmap(struct crmfb_softc *, struct wsdisplay_cmap *);
163 static void crmfb_set_palette(struct crmfb_softc *,
164 int, uint8_t, uint8_t, uint8_t);
165 static int crmfb_set_curpos(struct crmfb_softc *, int, int);
166 static int crmfb_gcursor(struct crmfb_softc *, struct wsdisplay_cursor *);
167 static int crmfb_scursor(struct crmfb_softc *, struct wsdisplay_cursor *);
168 static inline void crmfb_write_reg(struct crmfb_softc *, int, uint32_t);
169 static inline uint32_t crmfb_read_reg(struct crmfb_softc *, int);
170 static int crmfb_wait_dma_idle(struct crmfb_softc *);
171
172 /* setup video hw in given colour depth */
173 static int crmfb_setup_video(struct crmfb_softc *, int);
174 static void crmfb_setup_palette(struct crmfb_softc *);
175
176 #ifdef CRMFB_DEBUG
177 void crmfb_test_mte(struct crmfb_softc *);
178 #endif
179
180 static void crmfb_fill_rect(struct crmfb_softc *, int, int, int, int, uint32_t);
181 static void crmfb_bitblt(struct crmfb_softc *, int, int, int, int, int, int,
182 uint32_t);
183
184 static void crmfb_copycols(void *, int, int, int, int);
185 static void crmfb_erasecols(void *, int, int, int, long);
186 static void crmfb_copyrows(void *, int, int, int);
187 static void crmfb_eraserows(void *, int, int, long);
188 //static void crmfb_putchar(void *, int, int, u_int, long);
189 static void crmfb_cursor(void *, int, int, int);
190 static void crmfb_putchar(void *, int, int, u_int, long);
191
192 CFATTACH_DECL(crmfb, sizeof(struct crmfb_softc),
193 crmfb_match, crmfb_attach, NULL, NULL);
194
195 static int
196 crmfb_match(struct device *parent, struct cfdata *cf, void *opaque)
197 {
198 return crmfb_probe();
199 }
200
201 static void
202 crmfb_attach(struct device *parent, struct device *self, void *opaque)
203 {
204 struct mainbus_attach_args *ma;
205 struct crmfb_softc *sc;
206 struct rasops_info *ri;
207 struct wsemuldisplaydev_attach_args aa;
208 uint32_t d, h;
209 uint16_t *p;
210 unsigned long v;
211 long defattr;
212 const char *consdev;
213 int rv, i;
214
215 sc = (struct crmfb_softc *)self;
216 ma = (struct mainbus_attach_args *)opaque;
217
218 sc->sc_iot = SGIMIPS_BUS_SPACE_CRIME;
219 sc->sc_dmat = &sgimips_default_bus_dma_tag;
220 sc->sc_wsmode = WSDISPLAYIO_MODE_EMUL;
221
222 aprint_normal(": SGI CRIME Graphics Display Engine\n");
223 rv = bus_space_map(sc->sc_iot, ma->ma_addr, 0 /* XXX */,
224 BUS_SPACE_MAP_LINEAR, &sc->sc_ioh);
225 if (rv)
226 panic("crmfb_attach: can't map I/O space");
227 rv = bus_space_map(sc->sc_iot, 0x15000000, 0x6000, 0, &sc->sc_reh);
228 if (rv)
229 panic("crmfb_attach: can't map rendering engine");
230
231 /* determine mode configured by firmware */
232 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_HCMAP);
233 sc->sc_width = (d >> CRMFB_VT_HCMAP_ON_SHIFT) & 0xfff;
234 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_VCMAP);
235 sc->sc_height = (d >> CRMFB_VT_VCMAP_ON_SHIFT) & 0xfff;
236 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
237 h = (d >> CRMFB_FRM_TILESIZE_DEPTH_SHIFT) & 0x3;
238 if (h == 0)
239 sc->sc_depth = 8;
240 else if (h == 1)
241 sc->sc_depth = 16;
242 else
243 sc->sc_depth = 32;
244
245 if (sc->sc_width == 0 || sc->sc_height == 0) {
246 printf("%s: device unusable if not setup by firmware\n",
247 sc->sc_dev.dv_xname);
248 bus_space_unmap(sc->sc_iot, sc->sc_ioh, 0 /* XXX */);
249 return;
250 }
251
252 printf("%s: initial resolution %dx%d\n",
253 sc->sc_dev.dv_xname, sc->sc_width, sc->sc_height);
254
255 /*
256 * first determine how many tiles we need
257 * in 32bit each tile is 128x128 pixels
258 */
259 sc->sc_tiles_x = (sc->sc_width + 127) >> 7;
260 sc->sc_tiles_y = (sc->sc_height + 127) >> 7;
261 sc->sc_fbsize = 0x10000 * sc->sc_tiles_x * sc->sc_tiles_y;
262 printf("so we need %d x %d tiles -> %08x\n", sc->sc_tiles_x,
263 sc->sc_tiles_y, sc->sc_fbsize);
264
265 sc->sc_dmai.size = 256 * sizeof(uint16_t);
266 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dmai.size, 65536, 0,
267 sc->sc_dmai.segs,
268 sizeof(sc->sc_dmai.segs) / sizeof(sc->sc_dmai.segs[0]),
269 &sc->sc_dmai.nsegs, BUS_DMA_NOWAIT);
270 if (rv)
271 panic("crmfb_attach: can't allocate DMA memory");
272 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dmai.segs, sc->sc_dmai.nsegs,
273 sc->sc_dmai.size, &sc->sc_dmai.addr,
274 BUS_DMA_NOWAIT);
275 if (rv)
276 panic("crmfb_attach: can't map DMA memory");
277 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dmai.size, 1,
278 sc->sc_dmai.size, 0, BUS_DMA_NOWAIT, &sc->sc_dmai.map);
279 if (rv)
280 panic("crmfb_attach: can't create DMA map");
281 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dmai.map, sc->sc_dmai.addr,
282 sc->sc_dmai.size, NULL, BUS_DMA_NOWAIT);
283 if (rv)
284 panic("crmfb_attach: can't load DMA map");
285
286 /* allocate an extra tile for character drawing */
287 sc->sc_dma.size = sc->sc_fbsize + 0x10000;
288 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dma.size, 65536, 0,
289 sc->sc_dma.segs,
290 sizeof(sc->sc_dma.segs) / sizeof(sc->sc_dma.segs[0]),
291 &sc->sc_dma.nsegs, BUS_DMA_NOWAIT);
292 if (rv)
293 panic("crmfb_attach: can't allocate DMA memory");
294 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dma.segs, sc->sc_dma.nsegs,
295 sc->sc_dma.size, &sc->sc_dma.addr,
296 BUS_DMA_NOWAIT | BUS_DMA_COHERENT);
297 if (rv)
298 panic("crmfb_attach: can't map DMA memory");
299 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dma.size, 1,
300 sc->sc_dma.size, 0, BUS_DMA_NOWAIT, &sc->sc_dma.map);
301 if (rv)
302 panic("crmfb_attach: can't create DMA map");
303 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dma.map, sc->sc_dma.addr,
304 sc->sc_dma.size, NULL, BUS_DMA_NOWAIT);
305 if (rv)
306 panic("crmfb_attach: can't load DMA map");
307
308 p = KERNADDR(sc->sc_dmai);
309 v = (unsigned long)DMAADDR(sc->sc_dma);
310 for (i = 0; i < (sc->sc_tiles_x * sc->sc_tiles_y); i++) {
311 p[i] = ((uint32_t)v >> 16) + i;
312 }
313 sc->sc_scratch = (char *)KERNADDR(sc->sc_dma) + sc->sc_fbsize;
314
315 printf("%s: allocated %d byte fb @ %p (%p)\n", sc->sc_dev.dv_xname,
316 sc->sc_fbsize, KERNADDR(sc->sc_dmai), KERNADDR(sc->sc_dma));
317
318 sc->sc_current_cell = 0;
319
320 ri = &crmfb_console_screen.scr_ri;
321 memset(ri, 0, sizeof(struct rasops_info));
322
323 vcons_init(&sc->sc_vd, sc, &crmfb_defaultscreen, &crmfb_accessops);
324 sc->sc_vd.init_screen = crmfb_init_screen;
325 crmfb_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
326 vcons_init_screen(&sc->sc_vd, &crmfb_console_screen, 1, &defattr);
327
328 crmfb_defaultscreen.ncols = ri->ri_cols;
329 crmfb_defaultscreen.nrows = ri->ri_rows;
330 crmfb_defaultscreen.textops = &ri->ri_ops;
331 crmfb_defaultscreen.capabilities = ri->ri_caps;
332 crmfb_defaultscreen.modecookie = NULL;
333
334 crmfb_setup_video(sc, 8);
335 crmfb_fill_rect(sc, 0, 0, sc->sc_width, sc->sc_height, 0xf);
336
337 crmfb_setup_palette(sc);
338
339 consdev = ARCBIOS->GetEnvironmentVariable("ConsoleOut");
340 if (consdev != NULL && strcmp(consdev, "video()") == 0) {
341 wsdisplay_cnattach(&crmfb_defaultscreen, ri, 0, 0, defattr);
342 aa.console = 1;
343 } else
344 aa.console = 0;
345 aa.scrdata = &crmfb_screenlist;
346 aa.accessops = &crmfb_accessops;
347 aa.accesscookie = &sc->sc_vd;
348
349 config_found(self, &aa, wsemuldisplaydevprint);
350
351 sc->sc_cur_x = 0;
352 sc->sc_cur_y = 0;
353 sc->sc_hot_x = 0;
354 sc->sc_hot_y = 0;
355
356 #ifdef CRMFB_DEBUG
357 crmfb_test_mte(sc);
358 #endif
359 return;
360 }
361
362 int
363 crmfb_probe(void)
364 {
365
366 if (mach_type != MACH_SGI_IP32)
367 return 0;
368
369 return 1;
370 }
371
372 static int
373 crmfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
374 {
375 struct vcons_data *vd;
376 struct crmfb_softc *sc;
377 struct vcons_screen *ms;
378 struct wsdisplay_fbinfo *wdf;
379 int nmode;
380
381 vd = (struct vcons_data *)v;
382 sc = (struct crmfb_softc *)vd->cookie;
383 ms = (struct vcons_screen *)vd->active;
384
385 switch (cmd) {
386 case WSDISPLAYIO_GTYPE:
387 /* not really, but who cares? */
388 /* wsfb does */
389 *(u_int *)data = WSDISPLAY_TYPE_CRIME;
390 return 0;
391 case WSDISPLAYIO_GINFO:
392 if (vd->active != NULL) {
393 wdf = (void *)data;
394 wdf->height = sc->sc_height;
395 wdf->width = sc->sc_width;
396 wdf->depth = 32;
397 wdf->cmsize = 256;
398 return 0;
399 } else
400 return ENODEV;
401 case WSDISPLAYIO_GETCMAP:
402 if (sc->sc_depth == 8)
403 return crmfb_getcmap(sc, (struct wsdisplay_cmap *)data);
404 else
405 return EINVAL;
406 case WSDISPLAYIO_PUTCMAP:
407 if (sc->sc_depth == 8)
408 return crmfb_putcmap(sc, (struct wsdisplay_cmap *)data);
409 else
410 return EINVAL;
411 case WSDISPLAYIO_LINEBYTES:
412 *(u_int *)data = sc->sc_width * sc->sc_depth / 8;
413 return 0;
414 case WSDISPLAYIO_SMODE:
415 nmode = *(int *)data;
416 if (nmode != sc->sc_wsmode) {
417 sc->sc_wsmode = nmode;
418 if (nmode == WSDISPLAYIO_MODE_EMUL) {
419 crmfb_setup_video(sc, 8);
420 crmfb_setup_palette(sc);
421 vcons_redraw_screen(vd->active);
422 } else {
423 crmfb_setup_video(sc, 32);
424 }
425 }
426 return 0;
427 case WSDISPLAYIO_SVIDEO:
428 case WSDISPLAYIO_GVIDEO:
429 return ENODEV; /* not supported yet */
430
431 case WSDISPLAYIO_GCURPOS:
432 {
433 struct wsdisplay_curpos *pos;
434
435 pos = (struct wsdisplay_curpos *)data;
436 pos->x = sc->sc_cur_x;
437 pos->y = sc->sc_cur_y;
438 }
439 return 0;
440 case WSDISPLAYIO_SCURPOS:
441 {
442 struct wsdisplay_curpos *pos;
443
444 pos = (struct wsdisplay_curpos *)data;
445 crmfb_set_curpos(sc, pos->x, pos->y);
446 }
447 return 0;
448 case WSDISPLAYIO_GCURMAX:
449 {
450 struct wsdisplay_curpos *pos;
451
452 pos = (struct wsdisplay_curpos *)data;
453 pos->x = 32;
454 pos->y = 32;
455 }
456 return 0;
457 case WSDISPLAYIO_GCURSOR:
458 {
459 struct wsdisplay_cursor *cu;
460
461 cu = (struct wsdisplay_cursor *)data;
462 return crmfb_gcursor(sc, cu);
463 }
464 case WSDISPLAYIO_SCURSOR:
465 {
466 struct wsdisplay_cursor *cu;
467
468 cu = (struct wsdisplay_cursor *)data;
469 return crmfb_scursor(sc, cu);
470 }
471 }
472 return EPASSTHROUGH;
473 }
474
475 static paddr_t
476 crmfb_mmap(void *v, void *vs, off_t offset, int prot)
477 {
478 struct vcons_data *vd;
479 struct crmfb_softc *sc;
480 paddr_t pa;
481
482 vd = (struct vcons_data *)v;
483 sc = (struct crmfb_softc *)vd->cookie;
484
485 #if 1
486 if (offset >= 0 && offset < sc->sc_fbsize) {
487 pa = bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs,
488 sc->sc_dma.nsegs, offset, prot,
489 BUS_DMA_WAITOK | BUS_DMA_COHERENT);
490 return pa;
491 }
492 #else
493 if (offset >= 0 && offset < sc->sc_fbsize) {
494 pa = bus_space_mmap(SGIMIPS_BUS_SPACE_NORMAL, sc->sc_fbh,
495 offset, prot, SGIMIPS_BUS_SPACE_NORMAL);
496 printf("%s: %08llx -> %llx\n", __func__, offset, pa);
497 return pa;
498 }
499 #endif
500 return -1;
501 }
502
503 static void
504 crmfb_init_screen(void *c, struct vcons_screen *scr, int existing,
505 long *defattr)
506 {
507 struct crmfb_softc *sc;
508 struct rasops_info *ri;
509
510 sc = (struct crmfb_softc *)c;
511 ri = &scr->scr_ri;
512
513 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
514 ri->ri_depth = sc->sc_depth;
515 ri->ri_width = sc->sc_width;
516 ri->ri_height = sc->sc_height;
517 ri->ri_stride = ri->ri_width * (ri->ri_depth / 8);
518
519 switch (ri->ri_depth) {
520 case 16:
521 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 5;
522 ri->ri_rpos = 10;
523 ri->ri_gpos = 5;
524 ri->ri_bpos = 0;
525 break;
526 case 32:
527 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 8;
528 ri->ri_rpos = 8;
529 ri->ri_gpos = 16;
530 ri->ri_bpos = 24;
531 break;
532 }
533
534 ri->ri_bits = KERNADDR(sc->sc_dma);
535
536 if (existing)
537 ri->ri_flg |= RI_CLEAR;
538
539 rasops_init(ri, ri->ri_height / 16, ri->ri_width / 8);
540 ri->ri_caps = WSSCREEN_WSCOLORS;
541 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight,
542 ri->ri_width / ri->ri_font->fontwidth);
543 ri->ri_hw = scr;
544
545 /* now make a fake rasops_info for drawing into the scratch tile */
546 memcpy(&sc->sc_rasops, ri, sizeof(struct rasops_info));
547 sc->sc_rasops.ri_width = 512; /* assume we're always in 8bit here */
548 sc->sc_rasops.ri_stride = 512;
549 sc->sc_rasops.ri_height = 128;
550 sc->sc_rasops.ri_xorigin = 0;
551 sc->sc_rasops.ri_yorigin = 0;
552 sc->sc_rasops.ri_bits = sc->sc_scratch;
553 sc->sc_cells = 512 / ri->ri_font->fontwidth;
554
555 ri->ri_ops.cursor = crmfb_cursor;
556 ri->ri_ops.copyrows = crmfb_copyrows;
557 ri->ri_ops.eraserows = crmfb_eraserows;
558 ri->ri_ops.copycols = crmfb_copycols;
559 ri->ri_ops.erasecols = crmfb_erasecols;
560 ri->ri_ops.putchar = crmfb_putchar;
561
562 return;
563 }
564
565 static int
566 crmfb_putcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm)
567 {
568 u_int idx, cnt;
569 u_char r[256], g[256], b[256];
570 u_char *rp, *gp, *bp;
571 int rv, i;
572
573 idx = cm->index;
574 cnt = cm->count;
575
576 if (idx >= 255 || cnt > 256 || idx + cnt > 256)
577 return EINVAL;
578
579 rv = copyin(cm->red, &r[idx], cnt);
580 if (rv)
581 return rv;
582 rv = copyin(cm->green, &g[idx], cnt);
583 if (rv)
584 return rv;
585 rv = copyin(cm->blue, &b[idx], cnt);
586 if (rv)
587 return rv;
588
589 memcpy(&sc->sc_cmap_red[idx], &r[idx], cnt);
590 memcpy(&sc->sc_cmap_green[idx], &g[idx], cnt);
591 memcpy(&sc->sc_cmap_blue[idx], &b[idx], cnt);
592
593 rp = &sc->sc_cmap_red[idx];
594 gp = &sc->sc_cmap_green[idx];
595 bp = &sc->sc_cmap_blue[idx];
596
597 for (i = 0; i < cnt; i++) {
598 crmfb_set_palette(sc, idx, *rp, *gp, *bp);
599 idx++;
600 rp++, gp++, bp++;
601 }
602
603 return 0;
604 }
605
606 static int
607 crmfb_getcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm)
608 {
609 u_int idx, cnt;
610 int rv;
611
612 idx = cm->index;
613 cnt = cm->count;
614
615 if (idx >= 255 || cnt > 256 || idx + cnt > 256)
616 return EINVAL;
617
618 rv = copyout(&sc->sc_cmap_red[idx], cm->red, cnt);
619 if (rv)
620 return rv;
621 rv = copyout(&sc->sc_cmap_green[idx], cm->green, cnt);
622 if (rv)
623 return rv;
624 rv = copyout(&sc->sc_cmap_blue[idx], cm->blue, cnt);
625 if (rv)
626 return rv;
627
628 return 0;
629 }
630
631 static void
632 crmfb_set_palette(struct crmfb_softc *sc, int reg, uint8_t r, uint8_t g,
633 uint8_t b)
634 {
635 uint32_t val;
636
637 if (reg > 255 || sc->sc_depth != 8)
638 return;
639
640 while (bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_CMAP_FIFO) >= 63)
641 DELAY(10);
642
643 val = (r << 24) | (g << 16) | (b << 8);
644 crmfb_write_reg(sc, CRMFB_CMAP + (reg * 4), val);
645
646 return;
647 }
648
649 static int
650 crmfb_set_curpos(struct crmfb_softc *sc, int x, int y)
651 {
652 uint32_t val;
653
654 sc->sc_cur_x = x;
655 sc->sc_cur_y = y;
656
657 val = ((x - sc->sc_hot_x) & 0xffff) | ((y - sc->sc_hot_y) << 16);
658 crmfb_write_reg(sc, CRMFB_CURSOR_POS, val);
659
660 return 0;
661 }
662
663 static int
664 crmfb_gcursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur)
665 {
666 /* do nothing for now */
667 return 0;
668 }
669
670 static int
671 crmfb_scursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur)
672 {
673 if (cur->which & WSDISPLAY_CURSOR_DOCUR) {
674
675 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, cur->enable ? 1 : 0);
676 }
677 if (cur->which & WSDISPLAY_CURSOR_DOHOT) {
678
679 sc->sc_hot_x = cur->hot.x;
680 sc->sc_hot_y = cur->hot.y;
681 }
682 if (cur->which & WSDISPLAY_CURSOR_DOPOS) {
683
684 crmfb_set_curpos(sc, cur->pos.x, cur->pos.y);
685 }
686 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) {
687 int i;
688 uint32_t val;
689
690 for (i = 0; i < cur->cmap.count; i++) {
691 val = (cur->cmap.red[i] << 24) |
692 (cur->cmap.green[i] << 16) |
693 (cur->cmap.blue[i] << 8);
694 crmfb_write_reg(sc, CRMFB_CURSOR_CMAP0 +
695 ((i + cur->cmap.index) << 2), val);
696 }
697 }
698 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) {
699
700 int i, j, cnt = 0;
701 uint32_t latch = 0, omask;
702 uint8_t imask;
703 for (i = 0; i < 64; i++) {
704 omask = 0x80000000;
705 imask = 0x01;
706 cur->image[cnt] &= cur->mask[cnt];
707 for (j = 0; j < 8; j++) {
708 if (cur->image[cnt] & imask)
709 latch |= omask;
710 omask >>= 1;
711 if (cur->mask[cnt] & imask)
712 latch |= omask;
713 omask >>= 1;
714 imask <<= 1;
715 }
716 cnt++;
717 imask = 0x01;
718 cur->image[cnt] &= cur->mask[cnt];
719 for (j = 0; j < 8; j++) {
720 if (cur->image[cnt] & imask)
721 latch |= omask;
722 omask >>= 1;
723 if (cur->mask[cnt] & imask)
724 latch |= omask;
725 omask >>= 1;
726 imask <<= 1;
727 }
728 cnt++;
729 crmfb_write_reg(sc, CRMFB_CURSOR_BITMAP + (i << 2),
730 latch);
731 latch = 0;
732 }
733 }
734 return 0;
735 }
736
737 static inline void
738 crmfb_write_reg(struct crmfb_softc *sc, int offset, uint32_t val)
739 {
740
741 bus_space_write_4(sc->sc_iot, sc->sc_ioh, offset, val);
742 wbflush();
743 }
744
745 static inline uint32_t
746 crmfb_read_reg(struct crmfb_softc *sc, int offset)
747 {
748
749 return bus_space_read_4(sc->sc_iot, sc->sc_ioh, offset);
750 }
751
752 static int
753 crmfb_wait_dma_idle(struct crmfb_softc *sc)
754 {
755 int bail = 100000, idle;
756
757 do {
758 idle = ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
759 CRMFB_OVR_CONTROL) & 1) == 0) &&
760 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
761 CRMFB_FRM_CONTROL) & 1) == 0) &&
762 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
763 CRMFB_DID_CONTROL) & 1) == 0);
764 if (!idle)
765 delay(10);
766 bail--;
767 } while ((!idle) && (bail > 0));
768 return idle;
769 }
770
771 static int
772 crmfb_setup_video(struct crmfb_softc *sc, int depth)
773 {
774 uint64_t reg;
775 uint32_t d, h, mode;
776 int i, bail, tile_width, tlbptr, j, tx, shift;
777 const char *wantsync;
778 uint16_t v;
779
780 /* disable DMA */
781 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_OVR_CONTROL);
782 d &= ~(1 << CRMFB_OVR_CONTROL_DMAEN_SHIFT);
783 crmfb_write_reg(sc, CRMFB_OVR_CONTROL, d);
784 DELAY(50000);
785 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL);
786 d &= ~(1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT);
787 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
788 DELAY(50000);
789 crmfb_write_reg(sc, CRMFB_DID_CONTROL, 0);
790 DELAY(50000);
791
792 if (!crmfb_wait_dma_idle(sc))
793 aprint_error("crmfb: crmfb_wait_dma_idle timed out\n");
794
795 /* ensure that CRM starts drawing at the top left of the screen
796 * when we re-enable DMA later
797 */
798 d = (1 << CRMFB_VT_XY_FREEZE_SHIFT);
799 crmfb_write_reg(sc, CRMFB_VT_XY, d);
800 delay(1000);
801 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK);
802 d &= ~(1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT);
803 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d);
804
805 /* wait for dotclock to turn off */
806 bail = 10000;
807 while ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK) &
808 (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT)) && (bail > 0)) {
809 delay(10);
810 bail--;
811 }
812
813 /* reset FIFO */
814 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
815 d |= (1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT);
816 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
817 d &= ~(1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT);
818 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
819
820 /* setup colour mode */
821 switch (depth) {
822 case 8:
823 h = CRMFB_MODE_TYP_I8;
824 tile_width = 512;
825 break;
826 case 16:
827 h = CRMFB_MODE_TYP_ARGB5;
828 tile_width = 256;
829 break;
830 case 32:
831 h = CRMFB_MODE_TYP_RGB8;
832 tile_width = 128;
833 break;
834 default:
835 panic("Unsupported depth");
836 }
837 d = h << CRMFB_MODE_TYP_SHIFT;
838 d |= CRMFB_MODE_BUF_BOTH << CRMFB_MODE_BUF_SHIFT;
839 for (i = 0; i < (32 * 4); i += 4)
840 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CRMFB_MODE + i, d);
841 wbflush();
842
843 /* setup tile pointer, but don't turn on DMA yet! */
844 h = DMAADDR(sc->sc_dmai);
845 d = (h >> 9) << CRMFB_FRM_CONTROL_TILEPTR_SHIFT;
846 printf("CRMFB_FRM_CONTROL %08x -> %08x", crmfb_read_reg(sc, CRMFB_FRM_CONTROL), d);
847 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
848
849 /* init framebuffer width and pixel size */
850 /*d = (1 << CRMFB_FRM_TILESIZE_WIDTH_SHIFT);*/
851
852 d = ((int)(sc->sc_width / tile_width)) <<
853 CRMFB_FRM_TILESIZE_WIDTH_SHIFT;
854 if ((sc->sc_width & (tile_width - 1)) != 0)
855 d |= sc->sc_tiles_y;
856
857 switch (depth) {
858 case 8:
859 h = CRMFB_FRM_TILESIZE_DEPTH_8;
860 break;
861 case 16:
862 h = CRMFB_FRM_TILESIZE_DEPTH_16;
863 break;
864 case 32:
865 h = CRMFB_FRM_TILESIZE_DEPTH_32;
866 break;
867 default:
868 panic("Unsupported depth");
869 }
870 d |= (h << CRMFB_FRM_TILESIZE_DEPTH_SHIFT);
871 printf("CRMFB_FRM_TILESIZE %08x -> %08x", crmfb_read_reg(sc, CRMFB_FRM_TILESIZE), d);
872 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
873
874 /* init framebuffer height, we use the trick that the Linux
875 * driver uses to fool the CRM out of tiled mode and into
876 * linear mode
877 */
878 /*h = sc->sc_width * sc->sc_height / (512 / (depth >> 3));*/
879 h = sc->sc_height;
880 d = h << CRMFB_FRM_PIXSIZE_HEIGHT_SHIFT;
881 printf("CRMFB_FRM_PIXSIZE %08x -> %08x", crmfb_read_reg(sc, CRMFB_FRM_PIXSIZE), d);
882 crmfb_write_reg(sc, CRMFB_FRM_PIXSIZE, d);
883
884 /* turn off firmware overlay and hardware cursor */
885 crmfb_write_reg(sc, CRMFB_OVR_WIDTH_TILE, 0);
886 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, 0);
887
888 /* enable drawing again */
889 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK);
890 d |= (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT);
891 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d);
892 crmfb_write_reg(sc, CRMFB_VT_XY, 0);
893
894 /* turn on DMA for the framebuffer */
895 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL);
896 d |= (1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT);
897 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
898
899 /* turn off sync-on-green */
900
901 wantsync = ARCBIOS->GetEnvironmentVariable("SyncOnGreen");
902 if ( (wantsync != NULL) && (wantsync[0] == 'n') ) {
903 d = ( 1 << CRMFB_VT_FLAGS_SYNC_LOW_LSB) & CRMFB_REG_MASK(CRMFB_VT_FLAGS_SYNC_LOW_MSB, CRMFB_VT_FLAGS_SYNC_LOW_LSB);
904 crmfb_write_reg(sc, CRMFB_VT_FLAGS, d);
905 }
906
907 sc->sc_depth = depth;
908
909 /* finally set up the drawing engine's TLB A */
910 v = (DMAADDR(sc->sc_dma) >> 16) & 0xffff;
911 tlbptr = 0;
912 tx = ((sc->sc_width + (tile_width - 1)) & ~(tile_width - 1)) / tile_width;
913 printf("tx: %d\n", tx);
914 for (i = 0; i < sc->sc_tiles_y; i++) {
915 reg = 0;
916 shift = 64;
917 for (j = 0; j < tx; j++) {
918 shift -= 16;
919 reg |= (((uint64_t)(v | 0x8000)) << shift);
920 if (shift == 0) {
921 shift = 64;
922 bus_space_write_8(sc->sc_iot, sc->sc_reh,
923 CRIME_RE_TLB_A + tlbptr + (j & 0xffc) * 2, reg);
924 printf("%08x: %016llx\n", tlbptr + (j & 0xffc) * 2, reg);
925 }
926 v++;
927 }
928 if (shift != 64) {
929 bus_space_write_8(sc->sc_iot, sc->sc_reh,
930 CRIME_RE_TLB_A + tlbptr + (j & 0xffc) * 2, reg);
931 printf("%08x: %016llx\n", tlbptr + (j & 0xffc) * 2, reg);
932 }
933 tlbptr += 32;
934 }
935
936 /* put the scratch page into the lower left of the fb */
937 reg = (((uint64_t)(DMAADDR(sc->sc_dma) + sc->sc_fbsize) | 0x80000000) &
938 0xffff0000) << 32;
939 bus_space_write_8(sc->sc_iot, sc->sc_reh, CRIME_RE_TLB_A + 0x1e0, reg);
940
941 wbflush();
942
943 for (i = 0; i < 0x80; i += 8)
944 printf("%04x: %016llx\n", i, bus_space_read_8(sc->sc_iot, sc->sc_reh,
945 CRIME_RE_TLB_A + i));
946
947 /* do some very basic engine setup */
948 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_CLIPMODE, 0);
949 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_SRC, 0);
950 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_DST, 0);
951 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PLANEMASK, 0xffffffff);
952
953 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x20, 0);
954 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x28, 0);
955 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x30, 0);
956 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x38, 0);
957 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x40, 0);
958
959 switch (depth) {
960 case 8:
961 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 |
962 DE_MODE_TYPE_CI | DE_MODE_PIXDEPTH_8;
963 break;
964 case 16:
965 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_16 |
966 DE_MODE_TYPE_RGB | DE_MODE_PIXDEPTH_16;
967 case 32:
968 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_32 |
969 DE_MODE_TYPE_RGBA | DE_MODE_PIXDEPTH_32;
970 default:
971 panic("%s: unsuported colour depth %d\n", __func__,
972 depth);
973 }
974 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_DST, mode);
975 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC, mode);
976 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_X, 1);
977 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_Y, 1);
978 return 0;
979 }
980
981 static void
982 crmfb_setup_palette(struct crmfb_softc *sc)
983 {
984 int i;
985
986 for (i = 0; i < 256; i++) {
987 crmfb_set_palette(sc, i, rasops_cmap[(i * 3) + 2],
988 rasops_cmap[(i * 3) + 1], rasops_cmap[(i * 3) + 0]);
989 sc->sc_cmap_red[i] = rasops_cmap[(i * 3) + 2];
990 sc->sc_cmap_green[i] = rasops_cmap[(i * 3) + 1];
991 sc->sc_cmap_blue[i] = rasops_cmap[(i * 3) + 0];
992 }
993 }
994
995 static inline void
996 crmfb_wait_idle(struct crmfb_softc *sc)
997 {
998 int i = 0;
999
1000 do {
1001 i++;
1002 delay(1);
1003 } while (((bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS) &
1004 CRIME_DE_IDLE) == 0) && (i < 100000000));
1005 if (i >= 100000000)
1006 aprint_error("crmfb_wait_idle() timed out\n");
1007 }
1008
1009 static void
1010 crmfb_fill_rect(struct crmfb_softc *sc, int x, int y, int width, int height,
1011 uint32_t colour)
1012 {
1013 crmfb_wait_idle(sc);
1014 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1015 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK);
1016 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FG, colour);
1017 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE,
1018 DE_PRIM_RECTANGLE | DE_PRIM_TB);
1019 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0,
1020 (x << 16) | (y & 0xffff));
1021 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1022 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1023 ((x + width - 1) << 16) | ((y + height - 1) & 0xffff));
1024 }
1025
1026 static void
1027 crmfb_bitblt(struct crmfb_softc *sc, int xs, int ys, int xd, int yd,
1028 int wi, int he, uint32_t rop)
1029 {
1030 uint32_t prim = DE_PRIM_RECTANGLE;
1031 int rxa, rya, rxe, rye, rxs, rys;
1032 crmfb_wait_idle(sc);
1033 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1034 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP |
1035 DE_DRAWMODE_XFER_EN);
1036 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, rop);
1037 if (xs < xd) {
1038 prim |= DE_PRIM_RL;
1039 rxe = xd;
1040 rxa = xd + wi - 1;
1041 rxs = xs + wi - 1;
1042 } else {
1043 prim |= DE_PRIM_LR;
1044 rxe = xd + wi - 1;
1045 rxa = xd;
1046 rxs = xs;
1047 }
1048 if (ys < yd) {
1049 prim |= DE_PRIM_BT;
1050 rye = yd;
1051 rya = yd + he - 1;
1052 rys = ys + he - 1;
1053 } else {
1054 prim |= DE_PRIM_TB;
1055 rye = yd + he - 1;
1056 rya = yd;
1057 rys = ys;
1058 }
1059 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, prim);
1060 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC,
1061 (rxs << 16) | (rys & 0xffff));
1062 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0,
1063 (rxa << 16) | (rya & 0xffff));
1064 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1065 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1066 (rxe << 16) | (rye & 0xffff));
1067 }
1068
1069 #ifdef CRMFB_DEBUG
1070 void
1071 crmfb_test_mte(struct crmfb_softc *sc)
1072 {
1073 uint32_t status[10];
1074 int i;
1075
1076 crmfb_fill_rect(sc, 1, 1, 100, 100, 1);
1077 crmfb_fill_rect(sc, 102, 1, 100, 100, 2);
1078 crmfb_fill_rect(sc, 203, 1, 100, 100, 3);
1079 crmfb_fill_rect(sc, 1024, 1, 100, 100, 4);
1080
1081 crmfb_bitblt(sc, 10, 10, 400, 0, 300, 300, 12);
1082 crmfb_wait_idle(sc);
1083 printf("ROP: %08x\n", bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP));
1084 #if 0
1085 delay(4000000);
1086
1087 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_NULL, 0x0);
1088 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, 0x05050505);
1089 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1090 MTE_MODE_DST_ECC |
1091 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1092 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1093 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1094 0/*MTE_MODE_COPY*/);
1095 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_STRIDE, 1);
1096 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_STRIDE, 1);
1097 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0, 0x00000000);
1098 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1, 0x02000200);
1099 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0, 0x03000000);
1100 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 | CRIME_DE_START, 0x02000200);
1101 status[9] = bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS);
1102 #endif
1103 #if 1
1104 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1105 MTE_MODE_DST_ECC |
1106 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1107 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1108 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1109 0/*MTE_MODE_COPY*/);
1110 #endif
1111 delay(4000000);
1112 #if 0
1113 printf("flush: %08x\n",
1114 bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FLUSH));
1115 #endif
1116
1117 for (i = 0; i < 10; i++)
1118 printf("%08x ", status[i]);
1119 printf("\n");
1120 }
1121 #endif /* CRMFB_DEBUG */
1122
1123 static void
1124 crmfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1125 {
1126 struct rasops_info *ri = cookie;
1127 struct vcons_screen *scr = ri->ri_hw;
1128 int32_t xs, xd, y, width, height;
1129
1130 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1131 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1132 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1133 width = ri->ri_font->fontwidth * ncols;
1134 height = ri->ri_font->fontheight;
1135 crmfb_bitblt(scr->scr_cookie, xs, y, xd, y, width, height, 3);
1136 }
1137
1138 static void
1139 crmfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1140 {
1141 struct rasops_info *ri = cookie;
1142 struct vcons_screen *scr = ri->ri_hw;
1143 int32_t x, y, width, height, bg;
1144
1145 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1146 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1147 width = ri->ri_font->fontwidth * ncols;
1148 height = ri->ri_font->fontheight;
1149 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1150 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg);
1151 }
1152
1153 static void
1154 crmfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1155 {
1156 struct rasops_info *ri = cookie;
1157 struct vcons_screen *scr = ri->ri_hw;
1158 int32_t x, ys, yd, width, height;
1159
1160 x = ri->ri_xorigin;
1161 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1162 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1163 width = ri->ri_emuwidth;
1164 height = ri->ri_font->fontheight * nrows;
1165 crmfb_bitblt(scr->scr_cookie, x, ys, x, yd, width, height, 3);
1166 }
1167
1168 static void
1169 crmfb_eraserows(void *cookie, int row, int nrows, long fillattr)
1170 {
1171 struct rasops_info *ri = cookie;
1172 struct vcons_screen *scr = ri->ri_hw;
1173 int32_t x, y, width, height, bg;
1174
1175 if ((row == 0) && (nrows == ri->ri_rows)) {
1176 x = y = 0;
1177 width = ri->ri_width;
1178 height = ri->ri_height;
1179 } else {
1180 x = ri->ri_xorigin;
1181 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1182 width = ri->ri_emuwidth;
1183 height = ri->ri_font->fontheight * nrows;
1184 }
1185 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1186 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg);
1187 }
1188
1189 static void
1190 crmfb_cursor(void *cookie, int on, int row, int col)
1191 {
1192 struct rasops_info *ri = cookie;
1193 struct vcons_screen *scr = ri->ri_hw;
1194 struct crmfb_softc *sc = scr->scr_cookie;
1195 int x, y, wi,he;
1196
1197 wi = ri->ri_font->fontwidth;
1198 he = ri->ri_font->fontheight;
1199
1200 if (ri->ri_flg & RI_CURSOR) {
1201 x = ri->ri_ccol * wi + ri->ri_xorigin;
1202 y = ri->ri_crow * he + ri->ri_yorigin;
1203 crmfb_bitblt(sc, x, y, x, y, wi, he, 12);
1204 ri->ri_flg &= ~RI_CURSOR;
1205 }
1206
1207 ri->ri_crow = row;
1208 ri->ri_ccol = col;
1209
1210 if (on)
1211 {
1212 x = ri->ri_ccol * wi + ri->ri_xorigin;
1213 y = ri->ri_crow * he + ri->ri_yorigin;
1214 crmfb_bitblt(sc, x, y, x, y, wi, he, 12);
1215 ri->ri_flg |= RI_CURSOR;
1216 }
1217 }
1218
1219 static void
1220 crmfb_putchar(void *cookie, int row, int col, u_int c, long attr)
1221 {
1222 struct rasops_info *ri = cookie;
1223 struct vcons_screen *scr = ri->ri_hw;
1224 struct crmfb_softc *sc = scr->scr_cookie;
1225 struct rasops_info *fri = &sc->sc_rasops;
1226 int bg;
1227 int x, y, wi, he, xs;
1228
1229 wi = ri->ri_font->fontwidth;
1230 he = ri->ri_font->fontheight;
1231
1232 x = ri->ri_xorigin + col * wi;
1233 y = ri->ri_yorigin + row * he;
1234
1235 bg = (u_char)ri->ri_devcmap[(attr >> 16) & 0xff];
1236 if (c == 0x20) {
1237 crmfb_fill_rect(sc, x, y, wi, he, bg);
1238 } else {
1239 /*
1240 * we rotate over all available character cells in the scratch
1241 * tile. The idea is to have more cells than there's room for
1242 * drawing commands in the engine's pipeline so we don't have
1243 * to wait for the engine until we're done drawing the
1244 * character and ready to blit it into place
1245 */
1246 fri->ri_ops.putchar(fri, 0, sc->sc_current_cell, c, attr);
1247 xs = sc->sc_current_cell * wi;
1248 sc->sc_current_cell++;
1249 if (sc->sc_current_cell >= sc->sc_cells)
1250 sc->sc_current_cell = 0;
1251 crmfb_bitblt(sc, xs, 2048-128, x, y, wi, he, 3);
1252 }
1253 }
1254