crmfb.c revision 1.11 1 /* $NetBSD: crmfb.c,v 1.11 2008/02/05 21:39:25 macallan Exp $ */
2
3 /*-
4 * Copyright (c) 2007 Jared D. McNeill <jmcneill (at) invisible.ca>
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 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Jared D. McNeill.
18 * 4. Neither the name of The NetBSD Foundation nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 /*
36 * SGI-CRM (O2) Framebuffer driver
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: crmfb.c,v 1.11 2008/02/05 21:39:25 macallan Exp $");
41
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/device.h>
45 #include <sys/malloc.h>
46
47 #define _SGIMIPS_BUS_DMA_PRIVATE
48 #include <machine/autoconf.h>
49 #include <machine/bus.h>
50 #include <machine/machtype.h>
51 #include <machine/vmparam.h>
52
53 #include <dev/arcbios/arcbios.h>
54 #include <dev/arcbios/arcbiosvar.h>
55
56 #include <dev/wscons/wsdisplayvar.h>
57 #include <dev/wscons/wsconsio.h>
58 #include <dev/wsfont/wsfont.h>
59 #include <dev/rasops/rasops.h>
60 #include <dev/wscons/wsdisplay_vconsvar.h>
61
62 #include <arch/sgimips/dev/crmfbreg.h>
63
64 /* #define CRMFB_DEBUG */
65
66 struct wsscreen_descr crmfb_defaultscreen = {
67 "default",
68 0, 0,
69 NULL,
70 8, 16,
71 WSSCREEN_WSCOLORS,
72 NULL,
73 };
74
75 const struct wsscreen_descr *_crmfb_scrlist[] = {
76 &crmfb_defaultscreen,
77 };
78
79 struct wsscreen_list crmfb_screenlist = {
80 sizeof(_crmfb_scrlist) / sizeof(struct wsscreen_descr *),
81 _crmfb_scrlist
82 };
83
84 static struct vcons_screen crmfb_console_screen;
85
86 static int crmfb_ioctl(void *, void *, u_long, void *, int, struct lwp *);
87 static paddr_t crmfb_mmap(void *, void *, off_t, int);
88 static void crmfb_init_screen(void *, struct vcons_screen *, int, long *);
89
90 struct wsdisplay_accessops crmfb_accessops = {
91 crmfb_ioctl,
92 crmfb_mmap,
93 NULL, /* alloc_screen */
94 NULL, /* free_screen */
95 NULL, /* show_screen */
96 NULL, /* load_font */
97 NULL, /* pollc */
98 NULL, /* scroll */
99 };
100
101 /* Memory to allocate to SGI-CRM -- remember, this is stolen from
102 * host memory!
103 */
104 #define CRMFB_TILESIZE (512*128)
105
106 static int crmfb_match(struct device *, struct cfdata *, void *);
107 static void crmfb_attach(struct device *, struct device *, void *);
108 int crmfb_probe(void);
109
110 #define KERNADDR(p) ((void *)((p).addr))
111 #define DMAADDR(p) ((p).map->dm_segs[0].ds_addr)
112
113 #define CRMFB_REG_MASK(msb, lsb) \
114 ( (((uint32_t) 1 << ((msb)-(lsb)+1)) - 1) << (lsb) )
115
116
117 struct crmfb_dma {
118 bus_dmamap_t map;
119 void *addr;
120 bus_dma_segment_t segs[1];
121 int nsegs;
122 size_t size;
123 };
124
125 struct crmfb_softc {
126 struct device sc_dev;
127 struct vcons_data sc_vd;
128
129 bus_space_tag_t sc_iot;
130 bus_space_handle_t sc_ioh;
131 bus_space_handle_t sc_reh;
132
133 bus_dma_tag_t sc_dmat;
134
135 struct crmfb_dma sc_dma;
136 struct crmfb_dma sc_dmai;
137
138 int sc_width;
139 int sc_height;
140 int sc_depth;
141 int sc_tiles_x, sc_tiles_y;
142 uint32_t sc_fbsize;
143 uint8_t *sc_scratch;
144 struct rasops_info sc_rasops;
145 int sc_cells;
146 int sc_current_cell;
147 int sc_wsmode;
148
149 /* cursor stuff */
150 int sc_cur_x;
151 int sc_cur_y;
152 int sc_hot_x;
153 int sc_hot_y;
154
155 u_char sc_cmap_red[256];
156 u_char sc_cmap_green[256];
157 u_char sc_cmap_blue[256];
158 };
159
160 static int crmfb_putcmap(struct crmfb_softc *, struct wsdisplay_cmap *);
161 static int crmfb_getcmap(struct crmfb_softc *, struct wsdisplay_cmap *);
162 static void crmfb_set_palette(struct crmfb_softc *,
163 int, uint8_t, uint8_t, uint8_t);
164 static int crmfb_set_curpos(struct crmfb_softc *, int, int);
165 static int crmfb_gcursor(struct crmfb_softc *, struct wsdisplay_cursor *);
166 static int crmfb_scursor(struct crmfb_softc *, struct wsdisplay_cursor *);
167 static inline void crmfb_write_reg(struct crmfb_softc *, int, uint32_t);
168 static inline uint32_t crmfb_read_reg(struct crmfb_softc *, int);
169 static int crmfb_wait_dma_idle(struct crmfb_softc *);
170
171 /* setup video hw in given colour depth */
172 static int crmfb_setup_video(struct crmfb_softc *, int);
173 static void crmfb_setup_palette(struct crmfb_softc *);
174
175 #ifdef CRMFB_DEBUG
176 void crmfb_test_mte(struct crmfb_softc *);
177 #endif
178
179 static void crmfb_fill_rect(struct crmfb_softc *, int, int, int, int, uint32_t);
180 static void crmfb_bitblt(struct crmfb_softc *, int, int, int, int, int, int,
181 uint32_t);
182
183 static void crmfb_copycols(void *, int, int, int, int);
184 static void crmfb_erasecols(void *, int, int, int, long);
185 static void crmfb_copyrows(void *, int, int, int);
186 static void crmfb_eraserows(void *, int, int, long);
187 //static void crmfb_putchar(void *, int, int, u_int, long);
188 static void crmfb_cursor(void *, int, int, int);
189 static void crmfb_putchar(void *, int, int, u_int, long);
190
191 CFATTACH_DECL(crmfb, sizeof(struct crmfb_softc),
192 crmfb_match, crmfb_attach, NULL, NULL);
193
194 static int
195 crmfb_match(struct device *parent, struct cfdata *cf, void *opaque)
196 {
197 return crmfb_probe();
198 }
199
200 static void
201 crmfb_attach(struct device *parent, struct device *self, void *opaque)
202 {
203 struct mainbus_attach_args *ma;
204 struct crmfb_softc *sc;
205 struct rasops_info *ri;
206 struct wsemuldisplaydev_attach_args aa;
207 uint32_t d, h;
208 uint16_t *p;
209 unsigned long v;
210 long defattr;
211 const char *consdev;
212 int rv, i;
213
214 sc = (struct crmfb_softc *)self;
215 ma = (struct mainbus_attach_args *)opaque;
216
217 sc->sc_iot = SGIMIPS_BUS_SPACE_CRIME;
218 sc->sc_dmat = &sgimips_default_bus_dma_tag;
219 sc->sc_wsmode = WSDISPLAYIO_MODE_EMUL;
220
221 aprint_normal(": SGI CRIME Graphics Display Engine\n");
222 rv = bus_space_map(sc->sc_iot, ma->ma_addr, 0 /* XXX */,
223 BUS_SPACE_MAP_LINEAR, &sc->sc_ioh);
224 if (rv)
225 panic("crmfb_attach: can't map I/O space");
226 rv = bus_space_map(sc->sc_iot, 0x15000000, 0x6000, 0, &sc->sc_reh);
227 if (rv)
228 panic("crmfb_attach: can't map rendering engine");
229
230 /* determine mode configured by firmware */
231 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_HCMAP);
232 sc->sc_width = (d >> CRMFB_VT_HCMAP_ON_SHIFT) & 0xfff;
233 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_VCMAP);
234 sc->sc_height = (d >> CRMFB_VT_VCMAP_ON_SHIFT) & 0xfff;
235 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
236 h = (d >> CRMFB_FRM_TILESIZE_DEPTH_SHIFT) & 0x3;
237 if (h == 0)
238 sc->sc_depth = 8;
239 else if (h == 1)
240 sc->sc_depth = 16;
241 else
242 sc->sc_depth = 32;
243
244 if (sc->sc_width == 0 || sc->sc_height == 0) {
245 printf("%s: device unusable if not setup by firmware\n",
246 sc->sc_dev.dv_xname);
247 bus_space_unmap(sc->sc_iot, sc->sc_ioh, 0 /* XXX */);
248 return;
249 }
250
251 printf("%s: initial resolution %dx%d\n",
252 sc->sc_dev.dv_xname, sc->sc_width, sc->sc_height);
253
254 /*
255 * first determine how many tiles we need
256 * in 32bit each tile is 128x128 pixels
257 */
258 sc->sc_tiles_x = (sc->sc_width + 127) >> 7;
259 sc->sc_tiles_y = (sc->sc_height + 127) >> 7;
260 sc->sc_fbsize = 0x10000 * sc->sc_tiles_x * sc->sc_tiles_y;
261 printf("so we need %d x %d tiles -> %08x\n", sc->sc_tiles_x,
262 sc->sc_tiles_y, sc->sc_fbsize);
263
264 sc->sc_dmai.size = 256 * sizeof(uint16_t);
265 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dmai.size, 65536, 0,
266 sc->sc_dmai.segs,
267 sizeof(sc->sc_dmai.segs) / sizeof(sc->sc_dmai.segs[0]),
268 &sc->sc_dmai.nsegs, BUS_DMA_NOWAIT);
269 if (rv)
270 panic("crmfb_attach: can't allocate DMA memory");
271 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dmai.segs, sc->sc_dmai.nsegs,
272 sc->sc_dmai.size, &sc->sc_dmai.addr,
273 BUS_DMA_NOWAIT);
274 if (rv)
275 panic("crmfb_attach: can't map DMA memory");
276 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dmai.size, 1,
277 sc->sc_dmai.size, 0, BUS_DMA_NOWAIT, &sc->sc_dmai.map);
278 if (rv)
279 panic("crmfb_attach: can't create DMA map");
280 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dmai.map, sc->sc_dmai.addr,
281 sc->sc_dmai.size, NULL, BUS_DMA_NOWAIT);
282 if (rv)
283 panic("crmfb_attach: can't load DMA map");
284
285 /* allocate an extra tile for character drawing */
286 sc->sc_dma.size = sc->sc_fbsize + 0x10000;
287 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dma.size, 65536, 0,
288 sc->sc_dma.segs,
289 sizeof(sc->sc_dma.segs) / sizeof(sc->sc_dma.segs[0]),
290 &sc->sc_dma.nsegs, BUS_DMA_NOWAIT);
291 if (rv)
292 panic("crmfb_attach: can't allocate DMA memory");
293 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dma.segs, sc->sc_dma.nsegs,
294 sc->sc_dma.size, &sc->sc_dma.addr,
295 BUS_DMA_NOWAIT | BUS_DMA_COHERENT);
296 if (rv)
297 panic("crmfb_attach: can't map DMA memory");
298 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dma.size, 1,
299 sc->sc_dma.size, 0, BUS_DMA_NOWAIT, &sc->sc_dma.map);
300 if (rv)
301 panic("crmfb_attach: can't create DMA map");
302 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dma.map, sc->sc_dma.addr,
303 sc->sc_dma.size, NULL, BUS_DMA_NOWAIT);
304 if (rv)
305 panic("crmfb_attach: can't load DMA map");
306
307 p = KERNADDR(sc->sc_dmai);
308 v = (unsigned long)DMAADDR(sc->sc_dma);
309 for (i = 0; i < (sc->sc_tiles_x * sc->sc_tiles_y); i++) {
310 p[i] = ((uint32_t)v >> 16) + i;
311 }
312 sc->sc_scratch = (char *)KERNADDR(sc->sc_dma) + sc->sc_fbsize;
313
314 printf("%s: allocated %d byte fb @ %p (%p)\n", sc->sc_dev.dv_xname,
315 sc->sc_fbsize, KERNADDR(sc->sc_dmai), KERNADDR(sc->sc_dma));
316
317 sc->sc_current_cell = 0;
318
319 ri = &crmfb_console_screen.scr_ri;
320 memset(ri, 0, sizeof(struct rasops_info));
321
322 vcons_init(&sc->sc_vd, sc, &crmfb_defaultscreen, &crmfb_accessops);
323 sc->sc_vd.init_screen = crmfb_init_screen;
324 crmfb_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
325 vcons_init_screen(&sc->sc_vd, &crmfb_console_screen, 1, &defattr);
326
327 crmfb_defaultscreen.ncols = ri->ri_cols;
328 crmfb_defaultscreen.nrows = ri->ri_rows;
329 crmfb_defaultscreen.textops = &ri->ri_ops;
330 crmfb_defaultscreen.capabilities = ri->ri_caps;
331 crmfb_defaultscreen.modecookie = NULL;
332
333 crmfb_setup_video(sc, 8);
334 crmfb_fill_rect(sc, 0, 0, sc->sc_width, sc->sc_height, 0xf);
335
336 crmfb_setup_palette(sc);
337
338 consdev = ARCBIOS->GetEnvironmentVariable("ConsoleOut");
339 if (consdev != NULL && strcmp(consdev, "video()") == 0) {
340 wsdisplay_cnattach(&crmfb_defaultscreen, ri, 0, 0, defattr);
341 aa.console = 1;
342 } else
343 aa.console = 0;
344 aa.scrdata = &crmfb_screenlist;
345 aa.accessops = &crmfb_accessops;
346 aa.accesscookie = &sc->sc_vd;
347
348 config_found(self, &aa, wsemuldisplaydevprint);
349
350 sc->sc_cur_x = 0;
351 sc->sc_cur_y = 0;
352 sc->sc_hot_x = 0;
353 sc->sc_hot_y = 0;
354
355 #ifdef CRMFB_DEBUG
356 crmfb_test_mte(sc);
357 #endif
358 return;
359 }
360
361 int
362 crmfb_probe(void)
363 {
364
365 if (mach_type != MACH_SGI_IP32)
366 return 0;
367
368 return 1;
369 }
370
371 static int
372 crmfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
373 {
374 struct vcons_data *vd;
375 struct crmfb_softc *sc;
376 struct vcons_screen *ms;
377 struct wsdisplay_fbinfo *wdf;
378 int nmode;
379
380 vd = (struct vcons_data *)v;
381 sc = (struct crmfb_softc *)vd->cookie;
382 ms = (struct vcons_screen *)vd->active;
383
384 switch (cmd) {
385 case WSDISPLAYIO_GTYPE:
386 /* not really, but who cares? */
387 /* wsfb does */
388 *(u_int *)data = WSDISPLAY_TYPE_CRIME;
389 return 0;
390 case WSDISPLAYIO_GINFO:
391 if (vd->active != NULL) {
392 wdf = (void *)data;
393 wdf->height = sc->sc_height;
394 wdf->width = sc->sc_width;
395 wdf->depth = 32;
396 wdf->cmsize = 256;
397 return 0;
398 } else
399 return ENODEV;
400 case WSDISPLAYIO_GETCMAP:
401 if (sc->sc_depth == 8)
402 return crmfb_getcmap(sc, (struct wsdisplay_cmap *)data);
403 else
404 return EINVAL;
405 case WSDISPLAYIO_PUTCMAP:
406 if (sc->sc_depth == 8)
407 return crmfb_putcmap(sc, (struct wsdisplay_cmap *)data);
408 else
409 return EINVAL;
410 case WSDISPLAYIO_LINEBYTES:
411 *(u_int *)data = sc->sc_width * sc->sc_depth / 8;
412 return 0;
413 case WSDISPLAYIO_SMODE:
414 nmode = *(int *)data;
415 if (nmode != sc->sc_wsmode) {
416 sc->sc_wsmode = nmode;
417 if (nmode == WSDISPLAYIO_MODE_EMUL) {
418 crmfb_setup_video(sc, 8);
419 crmfb_setup_palette(sc);
420 vcons_redraw_screen(vd->active);
421 } else {
422 crmfb_setup_video(sc, 32);
423 }
424 }
425 return 0;
426 case WSDISPLAYIO_SVIDEO:
427 case WSDISPLAYIO_GVIDEO:
428 return ENODEV; /* not supported yet */
429
430 case WSDISPLAYIO_GCURPOS:
431 {
432 struct wsdisplay_curpos *pos;
433
434 pos = (struct wsdisplay_curpos *)data;
435 pos->x = sc->sc_cur_x;
436 pos->y = sc->sc_cur_y;
437 }
438 return 0;
439 case WSDISPLAYIO_SCURPOS:
440 {
441 struct wsdisplay_curpos *pos;
442
443 pos = (struct wsdisplay_curpos *)data;
444 crmfb_set_curpos(sc, pos->x, pos->y);
445 }
446 return 0;
447 case WSDISPLAYIO_GCURMAX:
448 {
449 struct wsdisplay_curpos *pos;
450
451 pos = (struct wsdisplay_curpos *)data;
452 pos->x = 32;
453 pos->y = 32;
454 }
455 return 0;
456 case WSDISPLAYIO_GCURSOR:
457 {
458 struct wsdisplay_cursor *cu;
459
460 cu = (struct wsdisplay_cursor *)data;
461 return crmfb_gcursor(sc, cu);
462 }
463 case WSDISPLAYIO_SCURSOR:
464 {
465 struct wsdisplay_cursor *cu;
466
467 cu = (struct wsdisplay_cursor *)data;
468 return crmfb_scursor(sc, cu);
469 }
470 }
471 return EPASSTHROUGH;
472 }
473
474 static paddr_t
475 crmfb_mmap(void *v, void *vs, off_t offset, int prot)
476 {
477 struct vcons_data *vd;
478 struct crmfb_softc *sc;
479 paddr_t pa;
480
481 vd = (struct vcons_data *)v;
482 sc = (struct crmfb_softc *)vd->cookie;
483
484 #if 1
485 if (offset >= 0 && offset < sc->sc_fbsize) {
486 pa = bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs,
487 sc->sc_dma.nsegs, offset, prot,
488 BUS_DMA_WAITOK | BUS_DMA_COHERENT);
489 return pa;
490 }
491 #else
492 if (offset >= 0 && offset < sc->sc_fbsize) {
493 pa = bus_space_mmap(SGIMIPS_BUS_SPACE_NORMAL, sc->sc_fbh,
494 offset, prot, SGIMIPS_BUS_SPACE_NORMAL);
495 printf("%s: %08llx -> %llx\n", __func__, offset, pa);
496 return pa;
497 }
498 #endif
499 return -1;
500 }
501
502 static void
503 crmfb_init_screen(void *c, struct vcons_screen *scr, int existing,
504 long *defattr)
505 {
506 struct crmfb_softc *sc;
507 struct rasops_info *ri;
508
509 sc = (struct crmfb_softc *)c;
510 ri = &scr->scr_ri;
511
512 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
513 ri->ri_depth = sc->sc_depth;
514 ri->ri_width = sc->sc_width;
515 ri->ri_height = sc->sc_height;
516 ri->ri_stride = ri->ri_width * (ri->ri_depth / 8);
517
518 switch (ri->ri_depth) {
519 case 16:
520 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 5;
521 ri->ri_rpos = 10;
522 ri->ri_gpos = 5;
523 ri->ri_bpos = 0;
524 break;
525 case 32:
526 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 8;
527 ri->ri_rpos = 8;
528 ri->ri_gpos = 16;
529 ri->ri_bpos = 24;
530 break;
531 }
532
533 ri->ri_bits = KERNADDR(sc->sc_dma);
534
535 if (existing)
536 ri->ri_flg |= RI_CLEAR;
537
538 rasops_init(ri, ri->ri_height / 16, ri->ri_width / 8);
539 ri->ri_caps = WSSCREEN_WSCOLORS;
540 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight,
541 ri->ri_width / ri->ri_font->fontwidth);
542 ri->ri_hw = scr;
543
544 /* now make a fake rasops_info for drawing into the scratch tile */
545 memcpy(&sc->sc_rasops, ri, sizeof(struct rasops_info));
546 sc->sc_rasops.ri_width = 512; /* assume we're always in 8bit here */
547 sc->sc_rasops.ri_stride = 512;
548 sc->sc_rasops.ri_height = 128;
549 sc->sc_rasops.ri_xorigin = 0;
550 sc->sc_rasops.ri_yorigin = 0;
551 sc->sc_rasops.ri_bits = sc->sc_scratch;
552 sc->sc_cells = 512 / ri->ri_font->fontwidth;
553
554 ri->ri_ops.cursor = crmfb_cursor;
555 ri->ri_ops.copyrows = crmfb_copyrows;
556 ri->ri_ops.eraserows = crmfb_eraserows;
557 ri->ri_ops.copycols = crmfb_copycols;
558 ri->ri_ops.erasecols = crmfb_erasecols;
559 ri->ri_ops.putchar = crmfb_putchar;
560
561 return;
562 }
563
564 static int
565 crmfb_putcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm)
566 {
567 u_int idx, cnt;
568 u_char r[256], g[256], b[256];
569 u_char *rp, *gp, *bp;
570 int rv, i;
571
572 idx = cm->index;
573 cnt = cm->count;
574
575 if (idx >= 255 || cnt > 256 || idx + cnt > 256)
576 return EINVAL;
577
578 rv = copyin(cm->red, &r[idx], cnt);
579 if (rv)
580 return rv;
581 rv = copyin(cm->green, &g[idx], cnt);
582 if (rv)
583 return rv;
584 rv = copyin(cm->blue, &b[idx], cnt);
585 if (rv)
586 return rv;
587
588 memcpy(&sc->sc_cmap_red[idx], &r[idx], cnt);
589 memcpy(&sc->sc_cmap_green[idx], &g[idx], cnt);
590 memcpy(&sc->sc_cmap_blue[idx], &b[idx], cnt);
591
592 rp = &sc->sc_cmap_red[idx];
593 gp = &sc->sc_cmap_green[idx];
594 bp = &sc->sc_cmap_blue[idx];
595
596 for (i = 0; i < cnt; i++) {
597 crmfb_set_palette(sc, idx, *rp, *gp, *bp);
598 idx++;
599 rp++, gp++, bp++;
600 }
601
602 return 0;
603 }
604
605 static int
606 crmfb_getcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm)
607 {
608 u_int idx, cnt;
609 int rv;
610
611 idx = cm->index;
612 cnt = cm->count;
613
614 if (idx >= 255 || cnt > 256 || idx + cnt > 256)
615 return EINVAL;
616
617 rv = copyout(&sc->sc_cmap_red[idx], cm->red, cnt);
618 if (rv)
619 return rv;
620 rv = copyout(&sc->sc_cmap_green[idx], cm->green, cnt);
621 if (rv)
622 return rv;
623 rv = copyout(&sc->sc_cmap_blue[idx], cm->blue, cnt);
624 if (rv)
625 return rv;
626
627 return 0;
628 }
629
630 static void
631 crmfb_set_palette(struct crmfb_softc *sc, int reg, uint8_t r, uint8_t g,
632 uint8_t b)
633 {
634 uint32_t val;
635
636 if (reg > 255 || sc->sc_depth != 8)
637 return;
638
639 while (bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_CMAP_FIFO) >= 63)
640 DELAY(10);
641
642 val = (r << 24) | (g << 16) | (b << 8);
643 crmfb_write_reg(sc, CRMFB_CMAP + (reg * 4), val);
644
645 return;
646 }
647
648 static int
649 crmfb_set_curpos(struct crmfb_softc *sc, int x, int y)
650 {
651 uint32_t val;
652
653 sc->sc_cur_x = x;
654 sc->sc_cur_y = y;
655
656 val = ((x - sc->sc_hot_x) & 0xffff) | ((y - sc->sc_hot_y) << 16);
657 crmfb_write_reg(sc, CRMFB_CURSOR_POS, val);
658
659 return 0;
660 }
661
662 static int
663 crmfb_gcursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur)
664 {
665 /* do nothing for now */
666 return 0;
667 }
668
669 static int
670 crmfb_scursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur)
671 {
672 if (cur->which & WSDISPLAY_CURSOR_DOCUR) {
673
674 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, cur->enable ? 1 : 0);
675 }
676 if (cur->which & WSDISPLAY_CURSOR_DOHOT) {
677
678 sc->sc_hot_x = cur->hot.x;
679 sc->sc_hot_y = cur->hot.y;
680 }
681 if (cur->which & WSDISPLAY_CURSOR_DOPOS) {
682
683 crmfb_set_curpos(sc, cur->pos.x, cur->pos.y);
684 }
685 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) {
686 int i;
687 uint32_t val;
688
689 for (i = 0; i < cur->cmap.count; i++) {
690 val = (cur->cmap.red[i] << 24) |
691 (cur->cmap.green[i] << 16) |
692 (cur->cmap.blue[i] << 8);
693 crmfb_write_reg(sc, CRMFB_CURSOR_CMAP0 +
694 ((i + cur->cmap.index) << 2), val);
695 }
696 }
697 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) {
698
699 int i, j, cnt = 0;
700 uint32_t latch = 0, omask;
701 uint8_t imask;
702 for (i = 0; i < 64; i++) {
703 omask = 0x80000000;
704 imask = 0x01;
705 cur->image[cnt] &= cur->mask[cnt];
706 for (j = 0; j < 8; j++) {
707 if (cur->image[cnt] & imask)
708 latch |= omask;
709 omask >>= 1;
710 if (cur->mask[cnt] & imask)
711 latch |= omask;
712 omask >>= 1;
713 imask <<= 1;
714 }
715 cnt++;
716 imask = 0x01;
717 cur->image[cnt] &= cur->mask[cnt];
718 for (j = 0; j < 8; j++) {
719 if (cur->image[cnt] & imask)
720 latch |= omask;
721 omask >>= 1;
722 if (cur->mask[cnt] & imask)
723 latch |= omask;
724 omask >>= 1;
725 imask <<= 1;
726 }
727 cnt++;
728 crmfb_write_reg(sc, CRMFB_CURSOR_BITMAP + (i << 2),
729 latch);
730 latch = 0;
731 }
732 }
733 return 0;
734 }
735
736 static inline void
737 crmfb_write_reg(struct crmfb_softc *sc, int offset, uint32_t val)
738 {
739
740 bus_space_write_4(sc->sc_iot, sc->sc_ioh, offset, val);
741 wbflush();
742 }
743
744 static inline uint32_t
745 crmfb_read_reg(struct crmfb_softc *sc, int offset)
746 {
747
748 return bus_space_read_4(sc->sc_iot, sc->sc_ioh, offset);
749 }
750
751 static int
752 crmfb_wait_dma_idle(struct crmfb_softc *sc)
753 {
754 int bail = 100000, idle;
755
756 do {
757 idle = ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
758 CRMFB_OVR_CONTROL) & 1) == 0) &&
759 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
760 CRMFB_FRM_CONTROL) & 1) == 0) &&
761 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
762 CRMFB_DID_CONTROL) & 1) == 0);
763 if (!idle)
764 delay(10);
765 bail--;
766 } while ((!idle) && (bail > 0));
767 return idle;
768 }
769
770 static int
771 crmfb_setup_video(struct crmfb_softc *sc, int depth)
772 {
773 uint64_t reg;
774 uint32_t d, h, mode;
775 int i, bail, tile_width, tlbptr, j, tx, shift;
776 const char *wantsync;
777 uint16_t v;
778
779 /* disable DMA */
780 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_OVR_CONTROL);
781 d &= ~(1 << CRMFB_OVR_CONTROL_DMAEN_SHIFT);
782 crmfb_write_reg(sc, CRMFB_OVR_CONTROL, d);
783 DELAY(50000);
784 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL);
785 d &= ~(1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT);
786 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
787 DELAY(50000);
788 crmfb_write_reg(sc, CRMFB_DID_CONTROL, 0);
789 DELAY(50000);
790
791 if (!crmfb_wait_dma_idle(sc))
792 aprint_error("crmfb: crmfb_wait_dma_idle timed out\n");
793
794 /* ensure that CRM starts drawing at the top left of the screen
795 * when we re-enable DMA later
796 */
797 d = (1 << CRMFB_VT_XY_FREEZE_SHIFT);
798 crmfb_write_reg(sc, CRMFB_VT_XY, d);
799 delay(1000);
800 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK);
801 d &= ~(1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT);
802 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d);
803
804 /* wait for dotclock to turn off */
805 bail = 10000;
806 while ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK) &
807 (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT)) && (bail > 0)) {
808 delay(10);
809 bail--;
810 }
811
812 /* reset FIFO */
813 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
814 d |= (1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT);
815 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
816 d &= ~(1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT);
817 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
818
819 /* setup colour mode */
820 switch (depth) {
821 case 8:
822 h = CRMFB_MODE_TYP_I8;
823 tile_width = 512;
824 break;
825 case 16:
826 h = CRMFB_MODE_TYP_ARGB5;
827 tile_width = 256;
828 break;
829 case 32:
830 h = CRMFB_MODE_TYP_RGB8;
831 tile_width = 128;
832 break;
833 default:
834 panic("Unsupported depth");
835 }
836 d = h << CRMFB_MODE_TYP_SHIFT;
837 d |= CRMFB_MODE_BUF_BOTH << CRMFB_MODE_BUF_SHIFT;
838 for (i = 0; i < (32 * 4); i += 4)
839 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CRMFB_MODE + i, d);
840 wbflush();
841
842 /* setup tile pointer, but don't turn on DMA yet! */
843 h = DMAADDR(sc->sc_dmai);
844 d = (h >> 9) << CRMFB_FRM_CONTROL_TILEPTR_SHIFT;
845 printf("CRMFB_FRM_CONTROL %08x -> %08x", crmfb_read_reg(sc, CRMFB_FRM_CONTROL), d);
846 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
847
848 /* init framebuffer width and pixel size */
849 /*d = (1 << CRMFB_FRM_TILESIZE_WIDTH_SHIFT);*/
850
851 d = ((int)(sc->sc_width / tile_width)) <<
852 CRMFB_FRM_TILESIZE_WIDTH_SHIFT;
853 if ((sc->sc_width & (tile_width - 1)) != 0)
854 d |= sc->sc_tiles_y;
855
856 switch (depth) {
857 case 8:
858 h = CRMFB_FRM_TILESIZE_DEPTH_8;
859 break;
860 case 16:
861 h = CRMFB_FRM_TILESIZE_DEPTH_16;
862 break;
863 case 32:
864 h = CRMFB_FRM_TILESIZE_DEPTH_32;
865 break;
866 default:
867 panic("Unsupported depth");
868 }
869 d |= (h << CRMFB_FRM_TILESIZE_DEPTH_SHIFT);
870 printf("CRMFB_FRM_TILESIZE %08x -> %08x", crmfb_read_reg(sc, CRMFB_FRM_TILESIZE), d);
871 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
872
873 /* init framebuffer height, we use the trick that the Linux
874 * driver uses to fool the CRM out of tiled mode and into
875 * linear mode
876 */
877 /*h = sc->sc_width * sc->sc_height / (512 / (depth >> 3));*/
878 h = sc->sc_height;
879 d = h << CRMFB_FRM_PIXSIZE_HEIGHT_SHIFT;
880 printf("CRMFB_FRM_PIXSIZE %08x -> %08x", crmfb_read_reg(sc, CRMFB_FRM_PIXSIZE), d);
881 crmfb_write_reg(sc, CRMFB_FRM_PIXSIZE, d);
882
883 /* turn off firmware overlay and hardware cursor */
884 crmfb_write_reg(sc, CRMFB_OVR_WIDTH_TILE, 0);
885 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, 0);
886
887 /* enable drawing again */
888 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK);
889 d |= (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT);
890 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d);
891 crmfb_write_reg(sc, CRMFB_VT_XY, 0);
892
893 /* turn on DMA for the framebuffer */
894 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL);
895 d |= (1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT);
896 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
897
898 /* turn off sync-on-green */
899
900 wantsync = ARCBIOS->GetEnvironmentVariable("SyncOnGreen");
901 if ( (wantsync != NULL) && (wantsync[0] == 'n') ) {
902 d = ( 1 << CRMFB_VT_FLAGS_SYNC_LOW_LSB) & CRMFB_REG_MASK(CRMFB_VT_FLAGS_SYNC_LOW_MSB, CRMFB_VT_FLAGS_SYNC_LOW_LSB);
903 crmfb_write_reg(sc, CRMFB_VT_FLAGS, d);
904 }
905
906 sc->sc_depth = depth;
907
908 /* finally set up the drawing engine's TLB A */
909 v = (DMAADDR(sc->sc_dma) >> 16) & 0xffff;
910 tlbptr = 0;
911 tx = ((sc->sc_width + (tile_width - 1)) & ~(tile_width - 1)) / tile_width;
912 printf("tx: %d\n", tx);
913 for (i = 0; i < sc->sc_tiles_y; i++) {
914 reg = 0;
915 shift = 64;
916 for (j = 0; j < tx; j++) {
917 shift -= 16;
918 reg |= (((uint64_t)(v | 0x8000)) << shift);
919 if (shift == 0) {
920 shift = 64;
921 bus_space_write_8(sc->sc_iot, sc->sc_reh,
922 CRIME_RE_TLB_A + tlbptr + (j & 0xffc) * 2, reg);
923 printf("%08x: %016llx\n", tlbptr + (j & 0xffc) * 2, reg);
924 }
925 v++;
926 }
927 if (shift != 64) {
928 bus_space_write_8(sc->sc_iot, sc->sc_reh,
929 CRIME_RE_TLB_A + tlbptr + (j & 0xffc) * 2, reg);
930 printf("%08x: %016llx\n", tlbptr + (j & 0xffc) * 2, reg);
931 }
932 tlbptr += 32;
933 }
934
935 /* put the scratch page into the lower left of the fb */
936 reg = (((uint64_t)(DMAADDR(sc->sc_dma) + sc->sc_fbsize) | 0x80000000) &
937 0xffff0000) << 32;
938 bus_space_write_8(sc->sc_iot, sc->sc_reh, CRIME_RE_TLB_A + 0x1e0, reg);
939
940 wbflush();
941
942 for (i = 0; i < 0x80; i += 8)
943 printf("%04x: %016llx\n", i, bus_space_read_8(sc->sc_iot, sc->sc_reh,
944 CRIME_RE_TLB_A + i));
945
946 /* do some very basic engine setup */
947 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_CLIPMODE, 0);
948 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_SRC, 0);
949 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_DST, 0);
950 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PLANEMASK, 0xffffffff);
951
952 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x20, 0);
953 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x28, 0);
954 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x30, 0);
955 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x38, 0);
956 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x40, 0);
957
958 switch (depth) {
959 case 8:
960 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 |
961 DE_MODE_TYPE_CI | DE_MODE_PIXDEPTH_8;
962 break;
963 case 16:
964 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_16 |
965 DE_MODE_TYPE_RGB | DE_MODE_PIXDEPTH_16;
966 case 32:
967 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_32 |
968 DE_MODE_TYPE_RGBA | DE_MODE_PIXDEPTH_32;
969 default:
970 panic("%s: unsuported colour depth %d\n", __func__,
971 depth);
972 }
973 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_DST, mode);
974 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC, mode);
975 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_X, 1);
976 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_Y, 1);
977 return 0;
978 }
979
980 static void
981 crmfb_setup_palette(struct crmfb_softc *sc)
982 {
983 int i;
984
985 for (i = 0; i < 256; i++) {
986 crmfb_set_palette(sc, i, rasops_cmap[(i * 3) + 2],
987 rasops_cmap[(i * 3) + 1], rasops_cmap[(i * 3) + 0]);
988 sc->sc_cmap_red[i] = rasops_cmap[(i * 3) + 2];
989 sc->sc_cmap_green[i] = rasops_cmap[(i * 3) + 1];
990 sc->sc_cmap_blue[i] = rasops_cmap[(i * 3) + 0];
991 }
992 }
993
994 static inline void
995 crmfb_wait_idle(struct crmfb_softc *sc)
996 {
997 int i = 0;
998
999 do {
1000 i++;
1001 delay(1);
1002 } while (((bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS) &
1003 CRIME_DE_IDLE) == 0) && (i < 100000000));
1004 if (i >= 100000000)
1005 aprint_error("crmfb_wait_idle() timed out\n");
1006 }
1007
1008 static void
1009 crmfb_fill_rect(struct crmfb_softc *sc, int x, int y, int width, int height,
1010 uint32_t colour)
1011 {
1012 crmfb_wait_idle(sc);
1013 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1014 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK);
1015 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FG, colour);
1016 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE,
1017 DE_PRIM_RECTANGLE | DE_PRIM_TB);
1018 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0,
1019 (x << 16) | (y & 0xffff));
1020 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1021 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1022 ((x + width - 1) << 16) | ((y + height - 1) & 0xffff));
1023 }
1024
1025 static void
1026 crmfb_bitblt(struct crmfb_softc *sc, int xs, int ys, int xd, int yd,
1027 int wi, int he, uint32_t rop)
1028 {
1029 uint32_t prim = DE_PRIM_RECTANGLE;
1030 int rxa, rya, rxe, rye, rxs, rys;
1031 crmfb_wait_idle(sc);
1032 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1033 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP |
1034 DE_DRAWMODE_XFER_EN);
1035 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, rop);
1036 if (xs < xd) {
1037 prim |= DE_PRIM_RL;
1038 rxe = xd;
1039 rxa = xd + wi - 1;
1040 rxs = xs + wi - 1;
1041 } else {
1042 prim |= DE_PRIM_LR;
1043 rxe = xd + wi - 1;
1044 rxa = xd;
1045 rxs = xs;
1046 }
1047 if (ys < yd) {
1048 prim |= DE_PRIM_BT;
1049 rye = yd;
1050 rya = yd + he - 1;
1051 rys = ys + he - 1;
1052 } else {
1053 prim |= DE_PRIM_TB;
1054 rye = yd + he - 1;
1055 rya = yd;
1056 rys = ys;
1057 }
1058 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, prim);
1059 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC,
1060 (rxs << 16) | (rys & 0xffff));
1061 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0,
1062 (rxa << 16) | (rya & 0xffff));
1063 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1064 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1065 (rxe << 16) | (rye & 0xffff));
1066 }
1067
1068 #ifdef CRMFB_DEBUG
1069 void
1070 crmfb_test_mte(struct crmfb_softc *sc)
1071 {
1072 uint32_t status[10];
1073 int i;
1074
1075 crmfb_fill_rect(sc, 1, 1, 100, 100, 1);
1076 crmfb_fill_rect(sc, 102, 1, 100, 100, 2);
1077 crmfb_fill_rect(sc, 203, 1, 100, 100, 3);
1078 crmfb_fill_rect(sc, 1024, 1, 100, 100, 4);
1079
1080 crmfb_bitblt(sc, 10, 10, 400, 0, 300, 300, 12);
1081 crmfb_wait_idle(sc);
1082 printf("ROP: %08x\n", bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP));
1083 #if 0
1084 delay(4000000);
1085
1086 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_NULL, 0x0);
1087 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, 0x05050505);
1088 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1089 MTE_MODE_DST_ECC |
1090 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1091 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1092 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1093 0/*MTE_MODE_COPY*/);
1094 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_STRIDE, 1);
1095 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_STRIDE, 1);
1096 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0, 0x00000000);
1097 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1, 0x02000200);
1098 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0, 0x03000000);
1099 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 | CRIME_DE_START, 0x02000200);
1100 status[9] = bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS);
1101 #endif
1102 #if 1
1103 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1104 MTE_MODE_DST_ECC |
1105 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1106 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1107 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1108 0/*MTE_MODE_COPY*/);
1109 #endif
1110 delay(4000000);
1111 #if 0
1112 printf("flush: %08x\n",
1113 bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FLUSH));
1114 #endif
1115
1116 for (i = 0; i < 10; i++)
1117 printf("%08x ", status[i]);
1118 printf("\n");
1119 }
1120 #endif /* CRMFB_DEBUG */
1121
1122 static void
1123 crmfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1124 {
1125 struct rasops_info *ri = cookie;
1126 struct vcons_screen *scr = ri->ri_hw;
1127 int32_t xs, xd, y, width, height;
1128
1129 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1130 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1131 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1132 width = ri->ri_font->fontwidth * ncols;
1133 height = ri->ri_font->fontheight;
1134 crmfb_bitblt(scr->scr_cookie, xs, y, xd, y, width, height, 3);
1135 }
1136
1137 static void
1138 crmfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1139 {
1140 struct rasops_info *ri = cookie;
1141 struct vcons_screen *scr = ri->ri_hw;
1142 int32_t x, y, width, height, bg;
1143
1144 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1145 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1146 width = ri->ri_font->fontwidth * ncols;
1147 height = ri->ri_font->fontheight;
1148 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1149 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg);
1150 }
1151
1152 static void
1153 crmfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1154 {
1155 struct rasops_info *ri = cookie;
1156 struct vcons_screen *scr = ri->ri_hw;
1157 int32_t x, ys, yd, width, height;
1158
1159 x = ri->ri_xorigin;
1160 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1161 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1162 width = ri->ri_emuwidth;
1163 height = ri->ri_font->fontheight * nrows;
1164 crmfb_bitblt(scr->scr_cookie, x, ys, x, yd, width, height, 3);
1165 }
1166
1167 static void
1168 crmfb_eraserows(void *cookie, int row, int nrows, long fillattr)
1169 {
1170 struct rasops_info *ri = cookie;
1171 struct vcons_screen *scr = ri->ri_hw;
1172 int32_t x, y, width, height, bg;
1173
1174 if ((row == 0) && (nrows == ri->ri_rows)) {
1175 x = y = 0;
1176 width = ri->ri_width;
1177 height = ri->ri_height;
1178 } else {
1179 x = ri->ri_xorigin;
1180 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1181 width = ri->ri_emuwidth;
1182 height = ri->ri_font->fontheight * nrows;
1183 }
1184 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1185 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg);
1186 }
1187
1188 static void
1189 crmfb_cursor(void *cookie, int on, int row, int col)
1190 {
1191 struct rasops_info *ri = cookie;
1192 struct vcons_screen *scr = ri->ri_hw;
1193 struct crmfb_softc *sc = scr->scr_cookie;
1194 int x, y, wi,he;
1195
1196 wi = ri->ri_font->fontwidth;
1197 he = ri->ri_font->fontheight;
1198
1199 if (ri->ri_flg & RI_CURSOR) {
1200 x = ri->ri_ccol * wi + ri->ri_xorigin;
1201 y = ri->ri_crow * he + ri->ri_yorigin;
1202 crmfb_bitblt(sc, x, y, x, y, wi, he, 12);
1203 ri->ri_flg &= ~RI_CURSOR;
1204 }
1205
1206 ri->ri_crow = row;
1207 ri->ri_ccol = col;
1208
1209 if (on)
1210 {
1211 x = ri->ri_ccol * wi + ri->ri_xorigin;
1212 y = ri->ri_crow * he + ri->ri_yorigin;
1213 crmfb_bitblt(sc, x, y, x, y, wi, he, 12);
1214 ri->ri_flg |= RI_CURSOR;
1215 }
1216 }
1217
1218 static void
1219 crmfb_putchar(void *cookie, int row, int col, u_int c, long attr)
1220 {
1221 struct rasops_info *ri = cookie;
1222 struct vcons_screen *scr = ri->ri_hw;
1223 struct crmfb_softc *sc = scr->scr_cookie;
1224 struct rasops_info *fri = &sc->sc_rasops;
1225 int bg;
1226 int x, y, wi, he, xs;
1227
1228 wi = ri->ri_font->fontwidth;
1229 he = ri->ri_font->fontheight;
1230
1231 x = ri->ri_xorigin + col * wi;
1232 y = ri->ri_yorigin + row * he;
1233
1234 bg = (u_char)ri->ri_devcmap[(attr >> 16) & 0xff];
1235 if (c == 0x20) {
1236 crmfb_fill_rect(sc, x, y, wi, he, bg);
1237 } else {
1238 /*
1239 * we rotate over all available character cells in the scratch
1240 * tile. The idea is to have more cells than there's room for
1241 * drawing commands in the engine's pipeline so we don't have
1242 * to wait for the engine until we're done drawing the
1243 * character and ready to blit it into place
1244 */
1245 fri->ri_ops.putchar(fri, 0, sc->sc_current_cell, c, attr);
1246 xs = sc->sc_current_cell * wi;
1247 sc->sc_current_cell++;
1248 if (sc->sc_current_cell >= sc->sc_cells)
1249 sc->sc_current_cell = 0;
1250 crmfb_bitblt(sc, xs, 2048-128, x, y, wi, he, 3);
1251 }
1252 }
1253