crmfb.c revision 1.29 1 /* $NetBSD: crmfb.c,v 1.29 2011/03/30 19:16:35 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 *
17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 /*
31 * SGI-CRM (O2) Framebuffer driver
32 */
33
34 #include <sys/cdefs.h>
35 __KERNEL_RCSID(0, "$NetBSD: crmfb.c,v 1.29 2011/03/30 19:16:35 macallan Exp $");
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/device.h>
40 #include <sys/malloc.h>
41
42 #define _SGIMIPS_BUS_DMA_PRIVATE
43 #include <machine/autoconf.h>
44 #include <machine/bus.h>
45 #include <machine/machtype.h>
46 #include <machine/vmparam.h>
47
48 #include <dev/arcbios/arcbios.h>
49 #include <dev/arcbios/arcbiosvar.h>
50
51 #include <dev/wscons/wsdisplayvar.h>
52 #include <dev/wscons/wsconsio.h>
53 #include <dev/wsfont/wsfont.h>
54 #include <dev/rasops/rasops.h>
55 #include <dev/wscons/wsdisplay_vconsvar.h>
56
57 #include <arch/sgimips/dev/crmfbreg.h>
58
59 /*#define CRMFB_DEBUG*/
60
61 struct wsscreen_descr crmfb_defaultscreen = {
62 "default",
63 0, 0,
64 NULL,
65 8, 16,
66 WSSCREEN_WSCOLORS,
67 NULL,
68 };
69
70 const struct wsscreen_descr *_crmfb_scrlist[] = {
71 &crmfb_defaultscreen,
72 };
73
74 struct wsscreen_list crmfb_screenlist = {
75 sizeof(_crmfb_scrlist) / sizeof(struct wsscreen_descr *),
76 _crmfb_scrlist
77 };
78
79 static struct vcons_screen crmfb_console_screen;
80
81 static int crmfb_ioctl(void *, void *, u_long, void *, int, struct lwp *);
82 static paddr_t crmfb_mmap(void *, void *, off_t, int);
83 static void crmfb_init_screen(void *, struct vcons_screen *, int, long *);
84
85 struct wsdisplay_accessops crmfb_accessops = {
86 crmfb_ioctl,
87 crmfb_mmap,
88 NULL, /* alloc_screen */
89 NULL, /* free_screen */
90 NULL, /* show_screen */
91 NULL, /* load_font */
92 NULL, /* pollc */
93 NULL, /* scroll */
94 };
95
96 /* Memory to allocate to SGI-CRM -- remember, this is stolen from
97 * host memory!
98 */
99 #define CRMFB_TILESIZE (512*128)
100
101 static int crmfb_match(device_t, struct cfdata *, void *);
102 static void crmfb_attach(device_t, device_t, void *);
103 int crmfb_probe(void);
104
105 #define KERNADDR(p) ((void *)((p).addr))
106 #define DMAADDR(p) ((p).map->dm_segs[0].ds_addr)
107
108 #define CRMFB_REG_MASK(msb, lsb) \
109 ( (((uint32_t) 1 << ((msb)-(lsb)+1)) - 1) << (lsb) )
110
111
112 struct crmfb_dma {
113 bus_dmamap_t map;
114 void *addr;
115 bus_dma_segment_t segs[1];
116 int nsegs;
117 size_t size;
118 };
119
120 struct crmfb_softc {
121 device_t sc_dev;
122 struct vcons_data sc_vd;
123
124 bus_space_tag_t sc_iot;
125 bus_space_handle_t sc_ioh;
126 bus_space_handle_t sc_reh;
127
128 bus_dma_tag_t sc_dmat;
129
130 struct crmfb_dma sc_dma;
131 struct crmfb_dma sc_dmai;
132
133 int sc_width;
134 int sc_height;
135 int sc_depth;
136 int sc_tiles_x, sc_tiles_y;
137 uint32_t sc_fbsize;
138 int sc_mte_direction;
139 uint8_t *sc_scratch;
140 paddr_t sc_linear;
141 int sc_wsmode;
142
143 /* cursor stuff */
144 int sc_cur_x;
145 int sc_cur_y;
146 int sc_hot_x;
147 int sc_hot_y;
148
149 u_char sc_cmap_red[256];
150 u_char sc_cmap_green[256];
151 u_char sc_cmap_blue[256];
152 };
153
154 static int crmfb_putcmap(struct crmfb_softc *, struct wsdisplay_cmap *);
155 static int crmfb_getcmap(struct crmfb_softc *, struct wsdisplay_cmap *);
156 static void crmfb_set_palette(struct crmfb_softc *,
157 int, uint8_t, uint8_t, uint8_t);
158 static int crmfb_set_curpos(struct crmfb_softc *, int, int);
159 static int crmfb_gcursor(struct crmfb_softc *, struct wsdisplay_cursor *);
160 static int crmfb_scursor(struct crmfb_softc *, struct wsdisplay_cursor *);
161 static inline void crmfb_write_reg(struct crmfb_softc *, int, uint32_t);
162 static inline uint32_t crmfb_read_reg(struct crmfb_softc *, int);
163 static int crmfb_wait_dma_idle(struct crmfb_softc *);
164
165 /* setup video hw in given colour depth */
166 static int crmfb_setup_video(struct crmfb_softc *, int);
167 static void crmfb_setup_palette(struct crmfb_softc *);
168
169 #ifdef CRMFB_DEBUG
170 void crmfb_test_mte(struct crmfb_softc *);
171 #endif
172
173 static void crmfb_fill_rect(struct crmfb_softc *, int, int, int, int, uint32_t);
174 static void crmfb_bitblt(struct crmfb_softc *, int, int, int, int, int, int,
175 uint32_t);
176 static void crmfb_scroll(struct crmfb_softc *, int, int, int, int, int, int);
177
178 static void crmfb_copycols(void *, int, int, int, int);
179 static void crmfb_erasecols(void *, int, int, int, long);
180 static void crmfb_copyrows(void *, int, int, int);
181 static void crmfb_eraserows(void *, int, int, long);
182 static void crmfb_cursor(void *, int, int, int);
183 static void crmfb_putchar(void *, int, int, u_int, long);
184
185 CFATTACH_DECL_NEW(crmfb, sizeof(struct crmfb_softc),
186 crmfb_match, crmfb_attach, NULL, NULL);
187
188 static int
189 crmfb_match(device_t parent, struct cfdata *cf, void *opaque)
190 {
191 return crmfb_probe();
192 }
193
194 static void
195 crmfb_attach(device_t parent, device_t self, void *opaque)
196 {
197 struct mainbus_attach_args *ma;
198 struct crmfb_softc *sc;
199 struct rasops_info *ri;
200 struct wsemuldisplaydev_attach_args aa;
201 uint32_t d, h;
202 uint16_t *p;
203 unsigned long v;
204 long defattr;
205 const char *consdev;
206 int rv, i;
207
208 sc = device_private(self);
209 sc->sc_dev = self;
210
211 ma = (struct mainbus_attach_args *)opaque;
212
213 sc->sc_iot = SGIMIPS_BUS_SPACE_CRIME;
214 sc->sc_dmat = &sgimips_default_bus_dma_tag;
215 sc->sc_wsmode = WSDISPLAYIO_MODE_EMUL;
216
217 aprint_normal(": SGI CRIME Graphics Display Engine\n");
218 rv = bus_space_map(sc->sc_iot, ma->ma_addr, 0 /* XXX */,
219 BUS_SPACE_MAP_LINEAR, &sc->sc_ioh);
220 if (rv)
221 panic("crmfb_attach: can't map I/O space");
222 rv = bus_space_map(sc->sc_iot, 0x15000000, 0x6000, 0, &sc->sc_reh);
223 if (rv)
224 panic("crmfb_attach: can't map rendering engine");
225
226 /* determine mode configured by firmware */
227 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_HCMAP);
228 sc->sc_width = (d >> CRMFB_VT_HCMAP_ON_SHIFT) & 0xfff;
229 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_VCMAP);
230 sc->sc_height = (d >> CRMFB_VT_VCMAP_ON_SHIFT) & 0xfff;
231 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
232 h = (d >> CRMFB_FRM_TILESIZE_DEPTH_SHIFT) & 0x3;
233 if (h == 0)
234 sc->sc_depth = 8;
235 else if (h == 1)
236 sc->sc_depth = 16;
237 else
238 sc->sc_depth = 32;
239
240 if (sc->sc_width == 0 || sc->sc_height == 0) {
241 aprint_error_dev(sc->sc_dev,
242 "device unusable if not setup by firmware\n");
243 bus_space_unmap(sc->sc_iot, sc->sc_ioh, 0 /* XXX */);
244 return;
245 }
246
247 aprint_normal_dev(sc->sc_dev, "initial resolution %dx%d\n",
248 sc->sc_width, sc->sc_height);
249
250 /*
251 * first determine how many tiles we need
252 * in 32bit each tile is 128x128 pixels
253 */
254 sc->sc_tiles_x = (sc->sc_width + 127) >> 7;
255 sc->sc_tiles_y = (sc->sc_height + 127) >> 7;
256 sc->sc_fbsize = 0x10000 * sc->sc_tiles_x * sc->sc_tiles_y;
257
258 sc->sc_dmai.size = 256 * sizeof(uint16_t);
259 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dmai.size, 65536, 0,
260 sc->sc_dmai.segs,
261 sizeof(sc->sc_dmai.segs) / sizeof(sc->sc_dmai.segs[0]),
262 &sc->sc_dmai.nsegs, BUS_DMA_NOWAIT);
263 if (rv)
264 panic("crmfb_attach: can't allocate DMA memory");
265 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dmai.segs, sc->sc_dmai.nsegs,
266 sc->sc_dmai.size, &sc->sc_dmai.addr,
267 BUS_DMA_NOWAIT);
268 if (rv)
269 panic("crmfb_attach: can't map DMA memory");
270 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dmai.size, 1,
271 sc->sc_dmai.size, 0, BUS_DMA_NOWAIT, &sc->sc_dmai.map);
272 if (rv)
273 panic("crmfb_attach: can't create DMA map");
274 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dmai.map, sc->sc_dmai.addr,
275 sc->sc_dmai.size, NULL, BUS_DMA_NOWAIT);
276 if (rv)
277 panic("crmfb_attach: can't load DMA map");
278
279 /* allocate an extra 64Kb for a linear buffer */
280 sc->sc_dma.size = 0x10000 * (16 * sc->sc_tiles_x + 1);
281 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dma.size, 65536, 0,
282 sc->sc_dma.segs,
283 sizeof(sc->sc_dma.segs) / sizeof(sc->sc_dma.segs[0]),
284 &sc->sc_dma.nsegs, BUS_DMA_NOWAIT);
285 if (rv)
286 panic("crmfb_attach: can't allocate DMA memory");
287 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dma.segs, sc->sc_dma.nsegs,
288 sc->sc_dma.size, &sc->sc_dma.addr,
289 BUS_DMA_NOWAIT | BUS_DMA_COHERENT);
290 if (rv)
291 panic("crmfb_attach: can't map DMA memory");
292 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dma.size, 1,
293 sc->sc_dma.size, 0, BUS_DMA_NOWAIT, &sc->sc_dma.map);
294 if (rv)
295 panic("crmfb_attach: can't create DMA map");
296 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dma.map, sc->sc_dma.addr,
297 sc->sc_dma.size, NULL, BUS_DMA_NOWAIT);
298 if (rv)
299 panic("crmfb_attach: can't load DMA map");
300
301 p = KERNADDR(sc->sc_dmai);
302 v = (unsigned long)DMAADDR(sc->sc_dma);
303 for (i = 0; i < (sc->sc_tiles_x * sc->sc_tiles_y); i++) {
304 p[i] = ((uint32_t)v >> 16) + i;
305 }
306 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmai.map, 0, sc->sc_dmai.size,
307 BUS_DMASYNC_PREWRITE);
308 sc->sc_scratch = (char *)KERNADDR(sc->sc_dma) + (0xf0000 * sc->sc_tiles_x);
309 sc->sc_linear = (paddr_t)DMAADDR(sc->sc_dma) + 0x100000 * sc->sc_tiles_x;
310
311 aprint_normal_dev(sc->sc_dev, "allocated %d byte fb @ %p (%p)\n",
312 sc->sc_fbsize, KERNADDR(sc->sc_dmai), KERNADDR(sc->sc_dma));
313
314 crmfb_setup_video(sc, 8);
315 ri = &crmfb_console_screen.scr_ri;
316 memset(ri, 0, sizeof(struct rasops_info));
317
318 vcons_init(&sc->sc_vd, sc, &crmfb_defaultscreen, &crmfb_accessops);
319 sc->sc_vd.init_screen = crmfb_init_screen;
320 crmfb_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
321 vcons_init_screen(&sc->sc_vd, &crmfb_console_screen, 1, &defattr);
322
323 crmfb_defaultscreen.ncols = ri->ri_cols;
324 crmfb_defaultscreen.nrows = ri->ri_rows;
325 crmfb_defaultscreen.textops = &ri->ri_ops;
326 crmfb_defaultscreen.capabilities = ri->ri_caps;
327 crmfb_defaultscreen.modecookie = NULL;
328
329 crmfb_setup_palette(sc);
330 crmfb_fill_rect(sc, 0, 0, sc->sc_width, sc->sc_height,
331 ri->ri_devcmap[(defattr >> 16) & 0xff]);
332
333 consdev = arcbios_GetEnvironmentVariable("ConsoleOut");
334 if (consdev != NULL && strcmp(consdev, "video()") == 0) {
335 wsdisplay_cnattach(&crmfb_defaultscreen, ri, 0, 0, defattr);
336 vcons_replay_msgbuf(&crmfb_console_screen);
337 aa.console = 1;
338 } else
339 aa.console = 0;
340 aa.scrdata = &crmfb_screenlist;
341 aa.accessops = &crmfb_accessops;
342 aa.accesscookie = &sc->sc_vd;
343
344 config_found(self, &aa, wsemuldisplaydevprint);
345
346 sc->sc_cur_x = 0;
347 sc->sc_cur_y = 0;
348 sc->sc_hot_x = 0;
349 sc->sc_hot_y = 0;
350
351 #ifdef CRMFB_DEBUG
352 crmfb_test_mte(sc);
353 #endif
354 return;
355 }
356
357 int
358 crmfb_probe(void)
359 {
360
361 if (mach_type != MACH_SGI_IP32)
362 return 0;
363
364 return 1;
365 }
366
367 static int
368 crmfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
369 {
370 struct vcons_data *vd;
371 struct crmfb_softc *sc;
372 struct vcons_screen *ms;
373 struct wsdisplay_fbinfo *wdf;
374 int nmode;
375
376 vd = (struct vcons_data *)v;
377 sc = (struct crmfb_softc *)vd->cookie;
378 ms = (struct vcons_screen *)vd->active;
379
380 switch (cmd) {
381 case WSDISPLAYIO_GTYPE:
382 /* not really, but who cares? */
383 /* wsfb does */
384 *(u_int *)data = WSDISPLAY_TYPE_CRIME;
385 return 0;
386 case WSDISPLAYIO_GINFO:
387 if (vd->active != NULL) {
388 wdf = (void *)data;
389 wdf->height = sc->sc_height;
390 wdf->width = sc->sc_width;
391 wdf->depth = 32;
392 wdf->cmsize = 256;
393 return 0;
394 } else
395 return ENODEV;
396 case WSDISPLAYIO_GETCMAP:
397 if (sc->sc_depth == 8)
398 return crmfb_getcmap(sc, (struct wsdisplay_cmap *)data);
399 else
400 return EINVAL;
401 case WSDISPLAYIO_PUTCMAP:
402 if (sc->sc_depth == 8)
403 return crmfb_putcmap(sc, (struct wsdisplay_cmap *)data);
404 else
405 return EINVAL;
406 case WSDISPLAYIO_LINEBYTES:
407 *(u_int *)data = sc->sc_width * sc->sc_depth / 8;
408 return 0;
409 case WSDISPLAYIO_SMODE:
410 nmode = *(int *)data;
411 if (nmode != sc->sc_wsmode) {
412 sc->sc_wsmode = nmode;
413 if (nmode == WSDISPLAYIO_MODE_EMUL) {
414 crmfb_setup_video(sc, 8);
415 crmfb_setup_palette(sc);
416 vcons_redraw_screen(vd->active);
417 } else {
418 crmfb_setup_video(sc, 32);
419 }
420 }
421 return 0;
422 case WSDISPLAYIO_SVIDEO:
423 case WSDISPLAYIO_GVIDEO:
424 return ENODEV; /* not supported yet */
425
426 case WSDISPLAYIO_GCURPOS:
427 {
428 struct wsdisplay_curpos *pos;
429
430 pos = (struct wsdisplay_curpos *)data;
431 pos->x = sc->sc_cur_x;
432 pos->y = sc->sc_cur_y;
433 }
434 return 0;
435 case WSDISPLAYIO_SCURPOS:
436 {
437 struct wsdisplay_curpos *pos;
438
439 pos = (struct wsdisplay_curpos *)data;
440 crmfb_set_curpos(sc, pos->x, pos->y);
441 }
442 return 0;
443 case WSDISPLAYIO_GCURMAX:
444 {
445 struct wsdisplay_curpos *pos;
446
447 pos = (struct wsdisplay_curpos *)data;
448 pos->x = 32;
449 pos->y = 32;
450 }
451 return 0;
452 case WSDISPLAYIO_GCURSOR:
453 {
454 struct wsdisplay_cursor *cu;
455
456 cu = (struct wsdisplay_cursor *)data;
457 return crmfb_gcursor(sc, cu);
458 }
459 case WSDISPLAYIO_SCURSOR:
460 {
461 struct wsdisplay_cursor *cu;
462
463 cu = (struct wsdisplay_cursor *)data;
464 return crmfb_scursor(sc, cu);
465 }
466 }
467 return EPASSTHROUGH;
468 }
469
470 static paddr_t
471 crmfb_mmap(void *v, void *vs, off_t offset, int prot)
472 {
473 struct vcons_data *vd;
474 struct crmfb_softc *sc;
475 paddr_t pa;
476
477 vd = (struct vcons_data *)v;
478 sc = (struct crmfb_softc *)vd->cookie;
479
480 /* we probably shouldn't let anyone mmap the framebuffer */
481 #if 1
482 if (offset >= 0 && offset < (0x100000 * sc->sc_tiles_x)) {
483 pa = bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs,
484 sc->sc_dma.nsegs, offset, prot,
485 BUS_DMA_WAITOK | BUS_DMA_COHERENT);
486 return pa;
487 }
488 #endif
489 /*
490 * here would the TLBs be but we don't want to show them to userland
491 * so we return the page containing the status register
492 */
493 if ((offset >= 0x15000000) && (offset < 0x15002000))
494 return bus_space_mmap(sc->sc_iot, 0x15004000, 0, prot, 0);
495 /* now the actual engine registers */
496 if ((offset >= 0x15002000) && (offset < 0x15005000))
497 return bus_space_mmap(sc->sc_iot, offset, 0, prot, 0);
498 /* and now the scratch area */
499 if ((offset >= 0x15010000) && (offset < 0x15020000))
500 return bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs,
501 sc->sc_dma.nsegs,
502 offset + (0x100000 * sc->sc_tiles_x) - 0x15010000,
503 prot, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
504 return -1;
505 }
506
507 static void
508 crmfb_init_screen(void *c, struct vcons_screen *scr, int existing,
509 long *defattr)
510 {
511 struct crmfb_softc *sc;
512 struct rasops_info *ri;
513
514 sc = (struct crmfb_softc *)c;
515 ri = &scr->scr_ri;
516
517 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
518 ri->ri_depth = sc->sc_depth;
519 ri->ri_width = sc->sc_width;
520 ri->ri_height = sc->sc_height;
521 ri->ri_stride = ri->ri_width * (ri->ri_depth / 8);
522
523 switch (ri->ri_depth) {
524 case 16:
525 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 5;
526 ri->ri_rpos = 10;
527 ri->ri_gpos = 5;
528 ri->ri_bpos = 0;
529 break;
530 case 32:
531 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 8;
532 ri->ri_rpos = 8;
533 ri->ri_gpos = 16;
534 ri->ri_bpos = 24;
535 break;
536 }
537
538 ri->ri_bits = KERNADDR(sc->sc_dma);
539
540 if (existing)
541 ri->ri_flg |= RI_CLEAR;
542
543 rasops_init(ri, ri->ri_height / 16, ri->ri_width / 8);
544 ri->ri_caps = WSSCREEN_WSCOLORS;
545 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight,
546 ri->ri_width / ri->ri_font->fontwidth);
547 ri->ri_hw = scr;
548
549 ri->ri_ops.cursor = crmfb_cursor;
550 ri->ri_ops.copyrows = crmfb_copyrows;
551 ri->ri_ops.eraserows = crmfb_eraserows;
552 ri->ri_ops.copycols = crmfb_copycols;
553 ri->ri_ops.erasecols = crmfb_erasecols;
554 ri->ri_ops.putchar = crmfb_putchar;
555
556 return;
557 }
558
559 static int
560 crmfb_putcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm)
561 {
562 u_int idx, cnt;
563 u_char r[256], g[256], b[256];
564 u_char *rp, *gp, *bp;
565 int rv, i;
566
567 idx = cm->index;
568 cnt = cm->count;
569
570 if (idx >= 255 || cnt > 256 || idx + cnt > 256)
571 return EINVAL;
572
573 rv = copyin(cm->red, &r[idx], cnt);
574 if (rv)
575 return rv;
576 rv = copyin(cm->green, &g[idx], cnt);
577 if (rv)
578 return rv;
579 rv = copyin(cm->blue, &b[idx], cnt);
580 if (rv)
581 return rv;
582
583 memcpy(&sc->sc_cmap_red[idx], &r[idx], cnt);
584 memcpy(&sc->sc_cmap_green[idx], &g[idx], cnt);
585 memcpy(&sc->sc_cmap_blue[idx], &b[idx], cnt);
586
587 rp = &sc->sc_cmap_red[idx];
588 gp = &sc->sc_cmap_green[idx];
589 bp = &sc->sc_cmap_blue[idx];
590
591 for (i = 0; i < cnt; i++) {
592 crmfb_set_palette(sc, idx, *rp, *gp, *bp);
593 idx++;
594 rp++, gp++, bp++;
595 }
596
597 return 0;
598 }
599
600 static int
601 crmfb_getcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm)
602 {
603 u_int idx, cnt;
604 int rv;
605
606 idx = cm->index;
607 cnt = cm->count;
608
609 if (idx >= 255 || cnt > 256 || idx + cnt > 256)
610 return EINVAL;
611
612 rv = copyout(&sc->sc_cmap_red[idx], cm->red, cnt);
613 if (rv)
614 return rv;
615 rv = copyout(&sc->sc_cmap_green[idx], cm->green, cnt);
616 if (rv)
617 return rv;
618 rv = copyout(&sc->sc_cmap_blue[idx], cm->blue, cnt);
619 if (rv)
620 return rv;
621
622 return 0;
623 }
624
625 static void
626 crmfb_set_palette(struct crmfb_softc *sc, int reg, uint8_t r, uint8_t g,
627 uint8_t b)
628 {
629 uint32_t val;
630
631 if (reg > 255 || sc->sc_depth != 8)
632 return;
633
634 while (bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_CMAP_FIFO) >= 63)
635 DELAY(10);
636
637 val = (r << 8) | (g << 16) | (b << 24);
638 crmfb_write_reg(sc, CRMFB_CMAP + (reg * 4), val);
639
640 return;
641 }
642
643 static int
644 crmfb_set_curpos(struct crmfb_softc *sc, int x, int y)
645 {
646 uint32_t val;
647
648 sc->sc_cur_x = x;
649 sc->sc_cur_y = y;
650
651 val = ((x - sc->sc_hot_x) & 0xffff) | ((y - sc->sc_hot_y) << 16);
652 crmfb_write_reg(sc, CRMFB_CURSOR_POS, val);
653
654 return 0;
655 }
656
657 static int
658 crmfb_gcursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur)
659 {
660 /* do nothing for now */
661 return 0;
662 }
663
664 static int
665 crmfb_scursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur)
666 {
667 if (cur->which & WSDISPLAY_CURSOR_DOCUR) {
668
669 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, cur->enable ? 1 : 0);
670 }
671 if (cur->which & WSDISPLAY_CURSOR_DOHOT) {
672
673 sc->sc_hot_x = cur->hot.x;
674 sc->sc_hot_y = cur->hot.y;
675 }
676 if (cur->which & WSDISPLAY_CURSOR_DOPOS) {
677
678 crmfb_set_curpos(sc, cur->pos.x, cur->pos.y);
679 }
680 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) {
681 int i;
682 uint32_t val;
683
684 for (i = 0; i < cur->cmap.count; i++) {
685 val = (cur->cmap.red[i] << 24) |
686 (cur->cmap.green[i] << 16) |
687 (cur->cmap.blue[i] << 8);
688 crmfb_write_reg(sc, CRMFB_CURSOR_CMAP0 +
689 ((i + cur->cmap.index) << 2), val);
690 }
691 }
692 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) {
693
694 int i, j, cnt = 0;
695 uint32_t latch = 0, omask;
696 uint8_t imask;
697 for (i = 0; i < 64; i++) {
698 omask = 0x80000000;
699 imask = 0x01;
700 cur->image[cnt] &= cur->mask[cnt];
701 for (j = 0; j < 8; j++) {
702 if (cur->image[cnt] & imask)
703 latch |= omask;
704 omask >>= 1;
705 if (cur->mask[cnt] & imask)
706 latch |= omask;
707 omask >>= 1;
708 imask <<= 1;
709 }
710 cnt++;
711 imask = 0x01;
712 cur->image[cnt] &= cur->mask[cnt];
713 for (j = 0; j < 8; j++) {
714 if (cur->image[cnt] & imask)
715 latch |= omask;
716 omask >>= 1;
717 if (cur->mask[cnt] & imask)
718 latch |= omask;
719 omask >>= 1;
720 imask <<= 1;
721 }
722 cnt++;
723 crmfb_write_reg(sc, CRMFB_CURSOR_BITMAP + (i << 2),
724 latch);
725 latch = 0;
726 }
727 }
728 return 0;
729 }
730
731 static inline void
732 crmfb_write_reg(struct crmfb_softc *sc, int offset, uint32_t val)
733 {
734
735 bus_space_write_4(sc->sc_iot, sc->sc_ioh, offset, val);
736 wbflush();
737 }
738
739 static inline uint32_t
740 crmfb_read_reg(struct crmfb_softc *sc, int offset)
741 {
742
743 return bus_space_read_4(sc->sc_iot, sc->sc_ioh, offset);
744 }
745
746 static int
747 crmfb_wait_dma_idle(struct crmfb_softc *sc)
748 {
749 int bail = 100000, idle;
750
751 do {
752 idle = ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
753 CRMFB_OVR_CONTROL) & 1) == 0) &&
754 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
755 CRMFB_FRM_CONTROL) & 1) == 0) &&
756 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
757 CRMFB_DID_CONTROL) & 1) == 0);
758 if (!idle)
759 delay(10);
760 bail--;
761 } while ((!idle) && (bail > 0));
762 return idle;
763 }
764
765 static int
766 crmfb_setup_video(struct crmfb_softc *sc, int depth)
767 {
768 uint64_t reg;
769 uint32_t d, h, mode, page;
770 int i, bail, tile_width, tlbptr, lptr, j, tx, shift;
771 const char *wantsync;
772 uint16_t v;
773
774 /* disable DMA */
775 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_OVR_CONTROL);
776 d &= ~(1 << CRMFB_OVR_CONTROL_DMAEN_SHIFT);
777 crmfb_write_reg(sc, CRMFB_OVR_CONTROL, d);
778 DELAY(50000);
779 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL);
780 d &= ~(1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT);
781 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
782 DELAY(50000);
783 crmfb_write_reg(sc, CRMFB_DID_CONTROL, 0);
784 DELAY(50000);
785
786 if (!crmfb_wait_dma_idle(sc))
787 aprint_error("crmfb: crmfb_wait_dma_idle timed out\n");
788
789 /* ensure that CRM starts drawing at the top left of the screen
790 * when we re-enable DMA later
791 */
792 d = (1 << CRMFB_VT_XY_FREEZE_SHIFT);
793 crmfb_write_reg(sc, CRMFB_VT_XY, d);
794 delay(1000);
795 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK);
796 d &= ~(1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT);
797 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d);
798
799 /* wait for dotclock to turn off */
800 bail = 10000;
801 while ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK) &
802 (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT)) && (bail > 0)) {
803 delay(10);
804 bail--;
805 }
806
807 /* reset FIFO */
808 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
809 d |= (1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT);
810 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
811 d &= ~(1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT);
812 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
813
814 /* setup colour mode */
815 switch (depth) {
816 case 8:
817 h = CRMFB_MODE_TYP_I8;
818 tile_width = 512;
819 break;
820 case 16:
821 h = CRMFB_MODE_TYP_ARGB5;
822 tile_width = 256;
823 break;
824 case 32:
825 h = CRMFB_MODE_TYP_RGB8;
826 tile_width = 128;
827 break;
828 default:
829 panic("Unsupported depth");
830 }
831 d = h << CRMFB_MODE_TYP_SHIFT;
832 d |= CRMFB_MODE_BUF_BOTH << CRMFB_MODE_BUF_SHIFT;
833 for (i = 0; i < (32 * 4); i += 4)
834 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CRMFB_MODE + i, d);
835 wbflush();
836
837 /* setup tile pointer, but don't turn on DMA yet! */
838 h = DMAADDR(sc->sc_dmai);
839 d = (h >> 9) << CRMFB_FRM_CONTROL_TILEPTR_SHIFT;
840 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
841
842 /* init framebuffer width and pixel size */
843 /*d = (1 << CRMFB_FRM_TILESIZE_WIDTH_SHIFT);*/
844
845 d = ((int)(sc->sc_width / tile_width)) <<
846 CRMFB_FRM_TILESIZE_WIDTH_SHIFT;
847 if ((sc->sc_width & (tile_width - 1)) != 0)
848 d |= sc->sc_tiles_y;
849
850 switch (depth) {
851 case 8:
852 h = CRMFB_FRM_TILESIZE_DEPTH_8;
853 break;
854 case 16:
855 h = CRMFB_FRM_TILESIZE_DEPTH_16;
856 break;
857 case 32:
858 h = CRMFB_FRM_TILESIZE_DEPTH_32;
859 break;
860 default:
861 panic("Unsupported depth");
862 }
863 d |= (h << CRMFB_FRM_TILESIZE_DEPTH_SHIFT);
864 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
865
866 /*h = sc->sc_width * sc->sc_height / (512 / (depth >> 3));*/
867 h = sc->sc_height;
868 d = h << CRMFB_FRM_PIXSIZE_HEIGHT_SHIFT;
869 crmfb_write_reg(sc, CRMFB_FRM_PIXSIZE, d);
870
871 /* turn off firmware overlay and hardware cursor */
872 crmfb_write_reg(sc, CRMFB_OVR_WIDTH_TILE, 0);
873 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, 0);
874
875 /* enable drawing again */
876 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK);
877 d |= (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT);
878 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d);
879 crmfb_write_reg(sc, CRMFB_VT_XY, 0);
880
881 /* turn on DMA for the framebuffer */
882 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL);
883 d |= (1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT);
884 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
885
886 /* turn off sync-on-green */
887
888 wantsync = arcbios_GetEnvironmentVariable("SyncOnGreen");
889 if ( (wantsync != NULL) && (wantsync[0] == 'n') ) {
890 d = ( 1 << CRMFB_VT_FLAGS_SYNC_LOW_LSB) &
891 CRMFB_REG_MASK(CRMFB_VT_FLAGS_SYNC_LOW_MSB,
892 CRMFB_VT_FLAGS_SYNC_LOW_LSB);
893 crmfb_write_reg(sc, CRMFB_VT_FLAGS, d);
894 }
895
896 sc->sc_depth = depth;
897
898 /* finally set up the drawing engine's TLB A */
899 v = (DMAADDR(sc->sc_dma) >> 16) & 0xffff;
900 tlbptr = 0;
901 tx = ((sc->sc_width + (tile_width - 1)) & ~(tile_width - 1)) /
902 tile_width;
903
904 #ifdef CRMFB_DEBUG
905 printf("tx: %d\n", tx);
906 #endif
907
908 for (i = 0; i < 16; i++) {
909 reg = 0;
910 shift = 64;
911 lptr = 0;
912 for (j = 0; j < tx; j++) {
913 shift -= 16;
914 reg |= (((uint64_t)(v | 0x8000)) << shift);
915 if (shift == 0) {
916 shift = 64;
917 bus_space_write_8(sc->sc_iot, sc->sc_reh,
918 CRIME_RE_TLB_A + tlbptr + lptr,
919 reg);
920 #ifdef CRMFB_DEBUG
921 printf("%04x: %016llx\n", tlbptr + lptr, reg);
922 #endif
923 reg = 0;
924 lptr += 8;
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 + lptr, reg);
931 #ifdef CRMFB_DEBUG
932 printf("%04x: %016llx\n", tlbptr + lptr, reg);
933 #endif
934 }
935 tlbptr += 32;
936 }
937 sc->sc_scratch = (char *)KERNADDR(sc->sc_dma) + (0xf0000 * tx);
938
939 /* now put the last 64kB into the 1st linear TLB */
940 page = (sc->sc_linear >> 12) | 0x80000000;
941 tlbptr = 0;
942 for (i = 0; i < 8; i++) {
943 reg = ((uint64_t)page << 32) | (page + 1);
944 bus_space_write_8(sc->sc_iot, sc->sc_reh,
945 CRIME_RE_LINEAR_A + tlbptr, reg);
946 page += 2;
947 tlbptr += 8;
948 }
949 wbflush();
950
951 /* do some very basic engine setup */
952 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_CLIPMODE, 0);
953 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_SRC, 0);
954 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_DST, 0);
955 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PLANEMASK,
956 0xffffffff);
957
958 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x20, 0);
959 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x28, 0);
960 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x30, 0);
961 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x38, 0);
962 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x40, 0);
963
964 switch (depth) {
965 case 8:
966 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 |
967 DE_MODE_TYPE_CI | DE_MODE_PIXDEPTH_8;
968 break;
969 case 16:
970 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_16 |
971 DE_MODE_TYPE_RGB | DE_MODE_PIXDEPTH_16;
972 break;
973 case 32:
974 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_32 |
975 DE_MODE_TYPE_RGBA | DE_MODE_PIXDEPTH_32;
976 break;
977 default:
978 panic("%s: unsuported colour depth %d\n", __func__,
979 depth);
980 }
981 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_DST, mode);
982 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC, mode);
983 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_X, 1);
984 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_Y, 1);
985
986 /* initialize memory transfer engine */
987 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
988 MTE_MODE_DST_ECC |
989 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
990 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
991 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
992 MTE_MODE_COPY);
993 sc->sc_mte_direction = 1;
994 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_Y_STEP, 1);
995 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_Y_STEP, 1);
996
997 return 0;
998 }
999
1000 static void
1001 crmfb_set_mte_direction(struct crmfb_softc *sc, int dir)
1002 {
1003 if (dir == sc->sc_mte_direction)
1004 return;
1005
1006 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_Y_STEP, dir);
1007 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_Y_STEP, dir);
1008 sc->sc_mte_direction = dir;
1009 }
1010
1011 static void
1012 crmfb_setup_palette(struct crmfb_softc *sc)
1013 {
1014 int i;
1015
1016 for (i = 0; i < 256; i++) {
1017 crmfb_set_palette(sc, i, rasops_cmap[(i * 3) + 2],
1018 rasops_cmap[(i * 3) + 1], rasops_cmap[(i * 3) + 0]);
1019 sc->sc_cmap_red[i] = rasops_cmap[(i * 3) + 2];
1020 sc->sc_cmap_green[i] = rasops_cmap[(i * 3) + 1];
1021 sc->sc_cmap_blue[i] = rasops_cmap[(i * 3) + 0];
1022 }
1023 }
1024
1025 static inline void
1026 crmfb_wait_idle(struct crmfb_softc *sc)
1027 {
1028 int i = 0;
1029
1030 do {
1031 i++;
1032 } while (((bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS) &
1033 CRIME_DE_IDLE) == 0) && (i < 100000000));
1034 if (i >= 100000000)
1035 aprint_error("crmfb_wait_idle() timed out\n");
1036 }
1037
1038 static void
1039 crmfb_fill_rect(struct crmfb_softc *sc, int x, int y, int width, int height,
1040 uint32_t colour)
1041 {
1042 crmfb_wait_idle(sc);
1043 crmfb_set_mte_direction(sc, 1);
1044 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1045 MTE_MODE_DST_ECC |
1046 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1047 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1048 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1049 0);
1050 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, colour);
1051 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0,
1052 (x << 16) | (y & 0xffff));
1053 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1054 CRIME_MTE_DST1 | CRIME_DE_START,
1055 ((x + width - 1) << 16) | ((y + height - 1) & 0xffff));
1056 }
1057
1058 static void
1059 crmfb_bitblt(struct crmfb_softc *sc, int xs, int ys, int xd, int yd,
1060 int wi, int he, uint32_t rop)
1061 {
1062 uint32_t prim = DE_PRIM_RECTANGLE;
1063 int rxa, rya, rxe, rye, rxs, rys;
1064 crmfb_wait_idle(sc);
1065 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1066 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP |
1067 DE_DRAWMODE_XFER_EN);
1068 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, rop);
1069 if (xs < xd) {
1070 prim |= DE_PRIM_RL;
1071 rxe = xd;
1072 rxa = xd + wi - 1;
1073 rxs = xs + wi - 1;
1074 } else {
1075 prim |= DE_PRIM_LR;
1076 rxe = xd + wi - 1;
1077 rxa = xd;
1078 rxs = xs;
1079 }
1080 if (ys < yd) {
1081 prim |= DE_PRIM_BT;
1082 rye = yd;
1083 rya = yd + he - 1;
1084 rys = ys + he - 1;
1085 } else {
1086 prim |= DE_PRIM_TB;
1087 rye = yd + he - 1;
1088 rya = yd;
1089 rys = ys;
1090 }
1091 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, prim);
1092 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC,
1093 (rxs << 16) | (rys & 0xffff));
1094 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0,
1095 (rxa << 16) | (rya & 0xffff));
1096 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1097 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1098 (rxe << 16) | (rye & 0xffff));
1099 }
1100
1101 static void
1102 crmfb_scroll(struct crmfb_softc *sc, int xs, int ys, int xd, int yd,
1103 int wi, int he)
1104 {
1105 int rxa, rya, rxe, rye, rxd, ryd, rxde, ryde;
1106
1107 rxa = xs;
1108 rxe = xs + wi - 1;
1109 rxd = xd;
1110 rxde = xd + wi - 1;
1111
1112 crmfb_wait_idle(sc);
1113
1114 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1115 MTE_MODE_DST_ECC |
1116 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1117 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1118 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1119 MTE_MODE_COPY);
1120
1121 if (ys < yd) {
1122 /* bottom to top */
1123 rye = ys;
1124 rya = ys + he - 1;
1125 ryd = yd + he - 1;
1126 ryde = yd;
1127 crmfb_set_mte_direction(sc, -1);
1128 } else {
1129 /* top to bottom */
1130 rye = ys + he - 1;
1131 rya = ys;
1132 ryd = yd;
1133 ryde = yd + he - 1;
1134 crmfb_set_mte_direction(sc, 1);
1135 }
1136 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0,
1137 (rxa << 16) | rya);
1138 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1,
1139 (rxe << 16) | rye);
1140 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1141 CRIME_MTE_DST0,
1142 (rxd << 16) | ryd);
1143 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 |
1144 CRIME_DE_START,
1145 (rxde << 16) | ryde);
1146 }
1147
1148 #ifdef CRMFB_DEBUG
1149 void
1150 crmfb_test_mte(struct crmfb_softc *sc)
1151 {
1152 uint64_t addr, reg;
1153 uint32_t addrs[256];
1154 int i, j, boo;
1155
1156 crmfb_wait_idle(sc);
1157 addr = (uint64_t)(DMAADDR(sc->sc_dma) + sc->sc_fbsize);
1158 addr = addr >> 12;
1159 for (i = 0; i < 64; i += 8) {
1160 #if 1
1161 reg = (addr << 32) | (addr + 1) | 0x8000000080000000LL;
1162 bus_space_write_8(sc->sc_iot, sc->sc_reh,
1163 CRIME_RE_LINEAR_A + i, reg);
1164 printf(" %08x", (uint32_t)(addr & 0xffffffff));
1165 #endif
1166 addr += 2;
1167 }
1168 printf("\n");
1169 memset(sc->sc_scratch, 4, 0x10000);
1170 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1171 DE_MODE_LIN_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1172 DE_MODE_PIXDEPTH_8);
1173 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STRD_SRC, 1);
1174 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1175 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP |
1176 DE_DRAWMODE_XFER_EN);
1177 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, 3);
1178 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE,
1179 DE_PRIM_RECTANGLE | DE_PRIM_TB);
1180 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC, 0);
1181 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0,
1182 0x02000000);
1183 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1184 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1185 0x04000100);
1186
1187 crmfb_wait_idle(sc);
1188 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1189 DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1190 DE_MODE_PIXDEPTH_8);
1191
1192 #if 1
1193 delay(4000000);
1194
1195 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, 0x15151515);
1196 crmfb_wait_idle(sc);
1197 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1198 MTE_MODE_DST_ECC |
1199 (MTE_TLB_LIN_A << MTE_DST_TLB_SHIFT) |
1200 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1201 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1202 0/*MTE_MODE_COPY*/);
1203 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_STRIDE, 1);
1204 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_STRIDE, 1);
1205 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0, 0x00000000);
1206 //bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1, 0x01000100);
1207 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0, 0x00000000);
1208 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 |
1209 CRIME_DE_START, 0x00010000);
1210 //status[9] = bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS);
1211 crmfb_wait_idle(sc);
1212 /* now look for 0x05050505 in RAM */
1213
1214 boo = 0;
1215 for (i = 0xA0000000; i < 0xB0000000; i += 0x1000)
1216 if (*((uint32_t *)i) == 0x15151515) {
1217 /* see if there's more */
1218 j = 4;
1219 while ((j < 0x100) && (*((uint32_t *)(i + j)) ==
1220 0x15151515))
1221 j += 4;
1222 if (j > 0x20) {
1223 addrs[boo] = i;
1224 boo++;
1225 }
1226 }
1227 printf("...");
1228 for (i = 0; i < boo; i++)
1229 printf(" %08x", addrs[i]);
1230 printf("\n");
1231 #endif
1232 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1233 DE_MODE_LIN_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1234 DE_MODE_PIXDEPTH_8);
1235 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STRD_SRC, 1);
1236 crmfb_bitblt(sc, 0, 0, 400, 0, 512, 64, 3);
1237 crmfb_wait_idle(sc);
1238 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1239 DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1240 DE_MODE_PIXDEPTH_8);
1241 #if 0
1242 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1243 MTE_MODE_DST_ECC |
1244 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1245 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1246 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1247 0/*MTE_MODE_COPY*/);
1248 #endif
1249 delay(4000000);
1250 #if 0
1251 for (i = 0; i < 128; i+=8)
1252 printf("%016llx\n", bus_space_read_8(sc->sc_iot, sc->sc_reh,
1253 CRIME_RE_LINEAR_B + i));
1254 #endif
1255 #if 0
1256 printf("flush: %08x\n",
1257 bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FLUSH));
1258 #endif
1259 }
1260 #endif /* CRMFB_DEBUG */
1261
1262 static void
1263 crmfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1264 {
1265 struct rasops_info *ri = cookie;
1266 struct vcons_screen *scr = ri->ri_hw;
1267 int32_t xs, xd, y, width, height;
1268
1269 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1270 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1271 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1272 width = ri->ri_font->fontwidth * ncols;
1273 height = ri->ri_font->fontheight;
1274 crmfb_bitblt(scr->scr_cookie, xs, y, xd, y, width, height, 3);
1275 }
1276
1277 static void
1278 crmfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1279 {
1280 struct rasops_info *ri = cookie;
1281 struct vcons_screen *scr = ri->ri_hw;
1282 int32_t x, y, width, height, bg;
1283
1284 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1285 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1286 width = ri->ri_font->fontwidth * ncols;
1287 height = ri->ri_font->fontheight;
1288 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1289 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg);
1290 }
1291
1292 static void
1293 crmfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1294 {
1295 struct rasops_info *ri = cookie;
1296 struct vcons_screen *scr = ri->ri_hw;
1297 int32_t x, ys, yd, width, height;
1298
1299 x = ri->ri_xorigin;
1300 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1301 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1302 width = ri->ri_emuwidth;
1303 height = ri->ri_font->fontheight * nrows;
1304
1305 crmfb_scroll(scr->scr_cookie, x, ys, x, yd, width, height);
1306 }
1307
1308 static void
1309 crmfb_eraserows(void *cookie, int row, int nrows, long fillattr)
1310 {
1311 struct rasops_info *ri = cookie;
1312 struct vcons_screen *scr = ri->ri_hw;
1313 int32_t x, y, width, height, bg;
1314
1315 if ((row == 0) && (nrows == ri->ri_rows)) {
1316 x = y = 0;
1317 width = ri->ri_width;
1318 height = ri->ri_height;
1319 } else {
1320 x = ri->ri_xorigin;
1321 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1322 width = ri->ri_emuwidth;
1323 height = ri->ri_font->fontheight * nrows;
1324 }
1325 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1326 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg);
1327 }
1328
1329 static void
1330 crmfb_cursor(void *cookie, int on, int row, int col)
1331 {
1332 struct rasops_info *ri = cookie;
1333 struct vcons_screen *scr = ri->ri_hw;
1334 struct crmfb_softc *sc = scr->scr_cookie;
1335 int x, y, wi,he;
1336
1337 wi = ri->ri_font->fontwidth;
1338 he = ri->ri_font->fontheight;
1339
1340 if (ri->ri_flg & RI_CURSOR) {
1341 x = ri->ri_ccol * wi + ri->ri_xorigin;
1342 y = ri->ri_crow * he + ri->ri_yorigin;
1343 crmfb_bitblt(sc, x, y, x, y, wi, he, 12);
1344 ri->ri_flg &= ~RI_CURSOR;
1345 }
1346
1347 ri->ri_crow = row;
1348 ri->ri_ccol = col;
1349
1350 if (on)
1351 {
1352 x = ri->ri_ccol * wi + ri->ri_xorigin;
1353 y = ri->ri_crow * he + ri->ri_yorigin;
1354 crmfb_bitblt(sc, x, y, x, y, wi, he, 12);
1355 ri->ri_flg |= RI_CURSOR;
1356 }
1357 }
1358
1359 static void
1360 crmfb_putchar(void *cookie, int row, int col, u_int c, long attr)
1361 {
1362 struct rasops_info *ri = cookie;
1363 struct vcons_screen *scr = ri->ri_hw;
1364 struct crmfb_softc *sc = scr->scr_cookie;
1365 struct wsdisplay_font *font = PICK_FONT(ri, c);
1366 uint32_t bg, fg;
1367 int x, y, wi, he, i, uc;
1368 uint8_t *fd8;
1369 uint16_t *fd16;
1370 void *fd;
1371
1372 wi = font->fontwidth;
1373 he = font->fontheight;
1374
1375 x = ri->ri_xorigin + col * wi;
1376 y = ri->ri_yorigin + row * he;
1377
1378 bg = ri->ri_devcmap[(attr >> 16) & 0xff];
1379 fg = ri->ri_devcmap[(attr >> 24) & 0xff];
1380 uc = c - font->firstchar;
1381 fd = (uint8_t *)font->data + uc * ri->ri_fontscale;
1382 if (c == 0x20) {
1383 crmfb_fill_rect(sc, x, y, wi, he, bg);
1384 } else {
1385 crmfb_wait_idle(sc);
1386 /* setup */
1387 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, 3);
1388 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FG, fg);
1389 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_BG, bg);
1390 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1391 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK |
1392 DE_DRAWMODE_ROP |
1393 DE_DRAWMODE_OPAQUE_STIP | DE_DRAWMODE_POLY_STIP);
1394 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE,
1395 DE_PRIM_RECTANGLE | DE_PRIM_LR | DE_PRIM_TB);
1396 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STIPPLE_MODE,
1397 0x001f0000);
1398 /* now let's feed the engine */
1399 if (font->stride == 1) {
1400 /* shovel in 8 bit quantities */
1401 fd8 = fd;
1402 for (i = 0; i < he; i++) {
1403 /*
1404 * the pipeline should be long enough to
1405 * draw any character without having to wait
1406 */
1407 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1408 CRIME_DE_STIPPLE_PAT, *fd8 << 24);
1409 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1410 CRIME_DE_X_VERTEX_0, (x << 16) | y);
1411 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1412 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1413 ((x + wi) << 16) | y);
1414 y++;
1415 fd8++;
1416 }
1417 } else if (font->stride == 2) {
1418 /* shovel in 16 bit quantities */
1419 fd16 = fd;
1420 for (i = 0; i < he; i++) {
1421 /*
1422 * the pipeline should be long enough to
1423 * draw any character without having to wait
1424 */
1425 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1426 CRIME_DE_STIPPLE_PAT, *fd16 << 16);
1427 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1428 CRIME_DE_X_VERTEX_0, (x << 16) | y);
1429 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1430 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1431 ((x + wi) << 16) | y);
1432 y++;
1433 fd16++;
1434 }
1435 }
1436 }
1437 }
1438