crmfb.c revision 1.28 1 /* $NetBSD: crmfb.c,v 1.28 2011/03/01 21:47:13 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 1.28 2011/03/01 21:47:13 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(struct device *, struct cfdata *, void *);
102 static void crmfb_attach(struct device *, struct device *, 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 struct device 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(crmfb, sizeof(struct crmfb_softc),
186 crmfb_match, crmfb_attach, NULL, NULL);
187
188 static int
189 crmfb_match(struct device *parent, struct cfdata *cf, void *opaque)
190 {
191 return crmfb_probe();
192 }
193
194 static void
195 crmfb_attach(struct device *parent, struct device *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 = (struct crmfb_softc *)self;
209 ma = (struct mainbus_attach_args *)opaque;
210
211 sc->sc_iot = SGIMIPS_BUS_SPACE_CRIME;
212 sc->sc_dmat = &sgimips_default_bus_dma_tag;
213 sc->sc_wsmode = WSDISPLAYIO_MODE_EMUL;
214
215 aprint_normal(": SGI CRIME Graphics Display Engine\n");
216 rv = bus_space_map(sc->sc_iot, ma->ma_addr, 0 /* XXX */,
217 BUS_SPACE_MAP_LINEAR, &sc->sc_ioh);
218 if (rv)
219 panic("crmfb_attach: can't map I/O space");
220 rv = bus_space_map(sc->sc_iot, 0x15000000, 0x6000, 0, &sc->sc_reh);
221 if (rv)
222 panic("crmfb_attach: can't map rendering engine");
223
224 /* determine mode configured by firmware */
225 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_HCMAP);
226 sc->sc_width = (d >> CRMFB_VT_HCMAP_ON_SHIFT) & 0xfff;
227 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_VCMAP);
228 sc->sc_height = (d >> CRMFB_VT_VCMAP_ON_SHIFT) & 0xfff;
229 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
230 h = (d >> CRMFB_FRM_TILESIZE_DEPTH_SHIFT) & 0x3;
231 if (h == 0)
232 sc->sc_depth = 8;
233 else if (h == 1)
234 sc->sc_depth = 16;
235 else
236 sc->sc_depth = 32;
237
238 if (sc->sc_width == 0 || sc->sc_height == 0) {
239 aprint_error("%s: device unusable if not setup by firmware\n",
240 sc->sc_dev.dv_xname);
241 bus_space_unmap(sc->sc_iot, sc->sc_ioh, 0 /* XXX */);
242 return;
243 }
244
245 aprint_normal("%s: initial resolution %dx%d\n",
246 sc->sc_dev.dv_xname, sc->sc_width, sc->sc_height);
247
248 /*
249 * first determine how many tiles we need
250 * in 32bit each tile is 128x128 pixels
251 */
252 sc->sc_tiles_x = (sc->sc_width + 127) >> 7;
253 sc->sc_tiles_y = (sc->sc_height + 127) >> 7;
254 sc->sc_fbsize = 0x10000 * sc->sc_tiles_x * sc->sc_tiles_y;
255
256 sc->sc_dmai.size = 256 * sizeof(uint16_t);
257 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dmai.size, 65536, 0,
258 sc->sc_dmai.segs,
259 sizeof(sc->sc_dmai.segs) / sizeof(sc->sc_dmai.segs[0]),
260 &sc->sc_dmai.nsegs, BUS_DMA_NOWAIT);
261 if (rv)
262 panic("crmfb_attach: can't allocate DMA memory");
263 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dmai.segs, sc->sc_dmai.nsegs,
264 sc->sc_dmai.size, &sc->sc_dmai.addr,
265 BUS_DMA_NOWAIT);
266 if (rv)
267 panic("crmfb_attach: can't map DMA memory");
268 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dmai.size, 1,
269 sc->sc_dmai.size, 0, BUS_DMA_NOWAIT, &sc->sc_dmai.map);
270 if (rv)
271 panic("crmfb_attach: can't create DMA map");
272 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dmai.map, sc->sc_dmai.addr,
273 sc->sc_dmai.size, NULL, BUS_DMA_NOWAIT);
274 if (rv)
275 panic("crmfb_attach: can't load DMA map");
276
277 /* allocate an extra 64Kb for a linear buffer */
278 sc->sc_dma.size = 0x10000 * (16 * sc->sc_tiles_x + 1);
279 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dma.size, 65536, 0,
280 sc->sc_dma.segs,
281 sizeof(sc->sc_dma.segs) / sizeof(sc->sc_dma.segs[0]),
282 &sc->sc_dma.nsegs, BUS_DMA_NOWAIT);
283 if (rv)
284 panic("crmfb_attach: can't allocate DMA memory");
285 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dma.segs, sc->sc_dma.nsegs,
286 sc->sc_dma.size, &sc->sc_dma.addr,
287 BUS_DMA_NOWAIT | BUS_DMA_COHERENT);
288 if (rv)
289 panic("crmfb_attach: can't map DMA memory");
290 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dma.size, 1,
291 sc->sc_dma.size, 0, BUS_DMA_NOWAIT, &sc->sc_dma.map);
292 if (rv)
293 panic("crmfb_attach: can't create DMA map");
294 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dma.map, sc->sc_dma.addr,
295 sc->sc_dma.size, NULL, BUS_DMA_NOWAIT);
296 if (rv)
297 panic("crmfb_attach: can't load DMA map");
298
299 p = KERNADDR(sc->sc_dmai);
300 v = (unsigned long)DMAADDR(sc->sc_dma);
301 for (i = 0; i < (sc->sc_tiles_x * sc->sc_tiles_y); i++) {
302 p[i] = ((uint32_t)v >> 16) + i;
303 }
304 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmai.map, 0, sc->sc_dmai.size,
305 BUS_DMASYNC_PREWRITE);
306 sc->sc_scratch = (char *)KERNADDR(sc->sc_dma) + (0xf0000 * sc->sc_tiles_x);
307 sc->sc_linear = (paddr_t)DMAADDR(sc->sc_dma) + 0x100000 * sc->sc_tiles_x;
308
309 aprint_normal("%s: allocated %d byte fb @ %p (%p)\n",
310 sc->sc_dev.dv_xname,
311 sc->sc_fbsize, KERNADDR(sc->sc_dmai), KERNADDR(sc->sc_dma));
312
313 crmfb_setup_video(sc, 8);
314 ri = &crmfb_console_screen.scr_ri;
315 memset(ri, 0, sizeof(struct rasops_info));
316
317 vcons_init(&sc->sc_vd, sc, &crmfb_defaultscreen, &crmfb_accessops);
318 sc->sc_vd.init_screen = crmfb_init_screen;
319 crmfb_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
320 vcons_init_screen(&sc->sc_vd, &crmfb_console_screen, 1, &defattr);
321
322 crmfb_defaultscreen.ncols = ri->ri_cols;
323 crmfb_defaultscreen.nrows = ri->ri_rows;
324 crmfb_defaultscreen.textops = &ri->ri_ops;
325 crmfb_defaultscreen.capabilities = ri->ri_caps;
326 crmfb_defaultscreen.modecookie = NULL;
327
328 crmfb_setup_palette(sc);
329 crmfb_fill_rect(sc, 0, 0, sc->sc_width, sc->sc_height,
330 ri->ri_devcmap[(defattr >> 16) & 0xff]);
331
332 consdev = arcbios_GetEnvironmentVariable("ConsoleOut");
333 if (consdev != NULL && strcmp(consdev, "video()") == 0) {
334 wsdisplay_cnattach(&crmfb_defaultscreen, ri, 0, 0, defattr);
335 vcons_replay_msgbuf(&crmfb_console_screen);
336 aa.console = 1;
337 } else
338 aa.console = 0;
339 aa.scrdata = &crmfb_screenlist;
340 aa.accessops = &crmfb_accessops;
341 aa.accesscookie = &sc->sc_vd;
342
343 config_found(self, &aa, wsemuldisplaydevprint);
344
345 sc->sc_cur_x = 0;
346 sc->sc_cur_y = 0;
347 sc->sc_hot_x = 0;
348 sc->sc_hot_y = 0;
349
350 #ifdef CRMFB_DEBUG
351 crmfb_test_mte(sc);
352 #endif
353 return;
354 }
355
356 int
357 crmfb_probe(void)
358 {
359
360 if (mach_type != MACH_SGI_IP32)
361 return 0;
362
363 return 1;
364 }
365
366 static int
367 crmfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
368 {
369 struct vcons_data *vd;
370 struct crmfb_softc *sc;
371 struct vcons_screen *ms;
372 struct wsdisplay_fbinfo *wdf;
373 int nmode;
374
375 vd = (struct vcons_data *)v;
376 sc = (struct crmfb_softc *)vd->cookie;
377 ms = (struct vcons_screen *)vd->active;
378
379 switch (cmd) {
380 case WSDISPLAYIO_GTYPE:
381 /* not really, but who cares? */
382 /* wsfb does */
383 *(u_int *)data = WSDISPLAY_TYPE_CRIME;
384 return 0;
385 case WSDISPLAYIO_GINFO:
386 if (vd->active != NULL) {
387 wdf = (void *)data;
388 wdf->height = sc->sc_height;
389 wdf->width = sc->sc_width;
390 wdf->depth = 32;
391 wdf->cmsize = 256;
392 return 0;
393 } else
394 return ENODEV;
395 case WSDISPLAYIO_GETCMAP:
396 if (sc->sc_depth == 8)
397 return crmfb_getcmap(sc, (struct wsdisplay_cmap *)data);
398 else
399 return EINVAL;
400 case WSDISPLAYIO_PUTCMAP:
401 if (sc->sc_depth == 8)
402 return crmfb_putcmap(sc, (struct wsdisplay_cmap *)data);
403 else
404 return EINVAL;
405 case WSDISPLAYIO_LINEBYTES:
406 *(u_int *)data = sc->sc_width * sc->sc_depth / 8;
407 return 0;
408 case WSDISPLAYIO_SMODE:
409 nmode = *(int *)data;
410 if (nmode != sc->sc_wsmode) {
411 sc->sc_wsmode = nmode;
412 if (nmode == WSDISPLAYIO_MODE_EMUL) {
413 crmfb_setup_video(sc, 8);
414 crmfb_setup_palette(sc);
415 vcons_redraw_screen(vd->active);
416 } else {
417 crmfb_setup_video(sc, 32);
418 }
419 }
420 return 0;
421 case WSDISPLAYIO_SVIDEO:
422 case WSDISPLAYIO_GVIDEO:
423 return ENODEV; /* not supported yet */
424
425 case WSDISPLAYIO_GCURPOS:
426 {
427 struct wsdisplay_curpos *pos;
428
429 pos = (struct wsdisplay_curpos *)data;
430 pos->x = sc->sc_cur_x;
431 pos->y = sc->sc_cur_y;
432 }
433 return 0;
434 case WSDISPLAYIO_SCURPOS:
435 {
436 struct wsdisplay_curpos *pos;
437
438 pos = (struct wsdisplay_curpos *)data;
439 crmfb_set_curpos(sc, pos->x, pos->y);
440 }
441 return 0;
442 case WSDISPLAYIO_GCURMAX:
443 {
444 struct wsdisplay_curpos *pos;
445
446 pos = (struct wsdisplay_curpos *)data;
447 pos->x = 32;
448 pos->y = 32;
449 }
450 return 0;
451 case WSDISPLAYIO_GCURSOR:
452 {
453 struct wsdisplay_cursor *cu;
454
455 cu = (struct wsdisplay_cursor *)data;
456 return crmfb_gcursor(sc, cu);
457 }
458 case WSDISPLAYIO_SCURSOR:
459 {
460 struct wsdisplay_cursor *cu;
461
462 cu = (struct wsdisplay_cursor *)data;
463 return crmfb_scursor(sc, cu);
464 }
465 }
466 return EPASSTHROUGH;
467 }
468
469 static paddr_t
470 crmfb_mmap(void *v, void *vs, off_t offset, int prot)
471 {
472 struct vcons_data *vd;
473 struct crmfb_softc *sc;
474 paddr_t pa;
475
476 vd = (struct vcons_data *)v;
477 sc = (struct crmfb_softc *)vd->cookie;
478
479 /* we probably shouldn't let anyone mmap the framebuffer */
480 #if 1
481 if (offset >= 0 && offset < (0x100000 * sc->sc_tiles_x)) {
482 pa = bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs,
483 sc->sc_dma.nsegs, offset, prot,
484 BUS_DMA_WAITOK | BUS_DMA_COHERENT);
485 return pa;
486 }
487 #endif
488 /*
489 * here would the TLBs be but we don't want to show them to userland
490 * so we return the page containing the status register
491 */
492 if ((offset >= 0x15000000) && (offset < 0x15002000))
493 return bus_space_mmap(sc->sc_iot, 0x15004000, 0, prot, 0);
494 /* now the actual engine registers */
495 if ((offset >= 0x15002000) && (offset < 0x15005000))
496 return bus_space_mmap(sc->sc_iot, offset, 0, prot, 0);
497 /* and now the scratch area */
498 if ((offset >= 0x15010000) && (offset < 0x15020000))
499 return bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs,
500 sc->sc_dma.nsegs,
501 offset + (0x100000 * sc->sc_tiles_x) - 0x15010000,
502 prot, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
503 return -1;
504 }
505
506 static void
507 crmfb_init_screen(void *c, struct vcons_screen *scr, int existing,
508 long *defattr)
509 {
510 struct crmfb_softc *sc;
511 struct rasops_info *ri;
512
513 sc = (struct crmfb_softc *)c;
514 ri = &scr->scr_ri;
515
516 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
517 ri->ri_depth = sc->sc_depth;
518 ri->ri_width = sc->sc_width;
519 ri->ri_height = sc->sc_height;
520 ri->ri_stride = ri->ri_width * (ri->ri_depth / 8);
521
522 switch (ri->ri_depth) {
523 case 16:
524 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 5;
525 ri->ri_rpos = 10;
526 ri->ri_gpos = 5;
527 ri->ri_bpos = 0;
528 break;
529 case 32:
530 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 8;
531 ri->ri_rpos = 8;
532 ri->ri_gpos = 16;
533 ri->ri_bpos = 24;
534 break;
535 }
536
537 ri->ri_bits = KERNADDR(sc->sc_dma);
538
539 if (existing)
540 ri->ri_flg |= RI_CLEAR;
541
542 rasops_init(ri, ri->ri_height / 16, ri->ri_width / 8);
543 ri->ri_caps = WSSCREEN_WSCOLORS;
544 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight,
545 ri->ri_width / ri->ri_font->fontwidth);
546 ri->ri_hw = scr;
547
548 ri->ri_ops.cursor = crmfb_cursor;
549 ri->ri_ops.copyrows = crmfb_copyrows;
550 ri->ri_ops.eraserows = crmfb_eraserows;
551 ri->ri_ops.copycols = crmfb_copycols;
552 ri->ri_ops.erasecols = crmfb_erasecols;
553 ri->ri_ops.putchar = crmfb_putchar;
554
555 return;
556 }
557
558 static int
559 crmfb_putcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm)
560 {
561 u_int idx, cnt;
562 u_char r[256], g[256], b[256];
563 u_char *rp, *gp, *bp;
564 int rv, i;
565
566 idx = cm->index;
567 cnt = cm->count;
568
569 if (idx >= 255 || cnt > 256 || idx + cnt > 256)
570 return EINVAL;
571
572 rv = copyin(cm->red, &r[idx], cnt);
573 if (rv)
574 return rv;
575 rv = copyin(cm->green, &g[idx], cnt);
576 if (rv)
577 return rv;
578 rv = copyin(cm->blue, &b[idx], cnt);
579 if (rv)
580 return rv;
581
582 memcpy(&sc->sc_cmap_red[idx], &r[idx], cnt);
583 memcpy(&sc->sc_cmap_green[idx], &g[idx], cnt);
584 memcpy(&sc->sc_cmap_blue[idx], &b[idx], cnt);
585
586 rp = &sc->sc_cmap_red[idx];
587 gp = &sc->sc_cmap_green[idx];
588 bp = &sc->sc_cmap_blue[idx];
589
590 for (i = 0; i < cnt; i++) {
591 crmfb_set_palette(sc, idx, *rp, *gp, *bp);
592 idx++;
593 rp++, gp++, bp++;
594 }
595
596 return 0;
597 }
598
599 static int
600 crmfb_getcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm)
601 {
602 u_int idx, cnt;
603 int rv;
604
605 idx = cm->index;
606 cnt = cm->count;
607
608 if (idx >= 255 || cnt > 256 || idx + cnt > 256)
609 return EINVAL;
610
611 rv = copyout(&sc->sc_cmap_red[idx], cm->red, cnt);
612 if (rv)
613 return rv;
614 rv = copyout(&sc->sc_cmap_green[idx], cm->green, cnt);
615 if (rv)
616 return rv;
617 rv = copyout(&sc->sc_cmap_blue[idx], cm->blue, cnt);
618 if (rv)
619 return rv;
620
621 return 0;
622 }
623
624 static void
625 crmfb_set_palette(struct crmfb_softc *sc, int reg, uint8_t r, uint8_t g,
626 uint8_t b)
627 {
628 uint32_t val;
629
630 if (reg > 255 || sc->sc_depth != 8)
631 return;
632
633 while (bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_CMAP_FIFO) >= 63)
634 DELAY(10);
635
636 val = (r << 8) | (g << 16) | (b << 24);
637 crmfb_write_reg(sc, CRMFB_CMAP + (reg * 4), val);
638
639 return;
640 }
641
642 static int
643 crmfb_set_curpos(struct crmfb_softc *sc, int x, int y)
644 {
645 uint32_t val;
646
647 sc->sc_cur_x = x;
648 sc->sc_cur_y = y;
649
650 val = ((x - sc->sc_hot_x) & 0xffff) | ((y - sc->sc_hot_y) << 16);
651 crmfb_write_reg(sc, CRMFB_CURSOR_POS, val);
652
653 return 0;
654 }
655
656 static int
657 crmfb_gcursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur)
658 {
659 /* do nothing for now */
660 return 0;
661 }
662
663 static int
664 crmfb_scursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur)
665 {
666 if (cur->which & WSDISPLAY_CURSOR_DOCUR) {
667
668 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, cur->enable ? 1 : 0);
669 }
670 if (cur->which & WSDISPLAY_CURSOR_DOHOT) {
671
672 sc->sc_hot_x = cur->hot.x;
673 sc->sc_hot_y = cur->hot.y;
674 }
675 if (cur->which & WSDISPLAY_CURSOR_DOPOS) {
676
677 crmfb_set_curpos(sc, cur->pos.x, cur->pos.y);
678 }
679 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) {
680 int i;
681 uint32_t val;
682
683 for (i = 0; i < cur->cmap.count; i++) {
684 val = (cur->cmap.red[i] << 24) |
685 (cur->cmap.green[i] << 16) |
686 (cur->cmap.blue[i] << 8);
687 crmfb_write_reg(sc, CRMFB_CURSOR_CMAP0 +
688 ((i + cur->cmap.index) << 2), val);
689 }
690 }
691 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) {
692
693 int i, j, cnt = 0;
694 uint32_t latch = 0, omask;
695 uint8_t imask;
696 for (i = 0; i < 64; i++) {
697 omask = 0x80000000;
698 imask = 0x01;
699 cur->image[cnt] &= cur->mask[cnt];
700 for (j = 0; j < 8; j++) {
701 if (cur->image[cnt] & imask)
702 latch |= omask;
703 omask >>= 1;
704 if (cur->mask[cnt] & imask)
705 latch |= omask;
706 omask >>= 1;
707 imask <<= 1;
708 }
709 cnt++;
710 imask = 0x01;
711 cur->image[cnt] &= cur->mask[cnt];
712 for (j = 0; j < 8; j++) {
713 if (cur->image[cnt] & imask)
714 latch |= omask;
715 omask >>= 1;
716 if (cur->mask[cnt] & imask)
717 latch |= omask;
718 omask >>= 1;
719 imask <<= 1;
720 }
721 cnt++;
722 crmfb_write_reg(sc, CRMFB_CURSOR_BITMAP + (i << 2),
723 latch);
724 latch = 0;
725 }
726 }
727 return 0;
728 }
729
730 static inline void
731 crmfb_write_reg(struct crmfb_softc *sc, int offset, uint32_t val)
732 {
733
734 bus_space_write_4(sc->sc_iot, sc->sc_ioh, offset, val);
735 wbflush();
736 }
737
738 static inline uint32_t
739 crmfb_read_reg(struct crmfb_softc *sc, int offset)
740 {
741
742 return bus_space_read_4(sc->sc_iot, sc->sc_ioh, offset);
743 }
744
745 static int
746 crmfb_wait_dma_idle(struct crmfb_softc *sc)
747 {
748 int bail = 100000, idle;
749
750 do {
751 idle = ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
752 CRMFB_OVR_CONTROL) & 1) == 0) &&
753 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
754 CRMFB_FRM_CONTROL) & 1) == 0) &&
755 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
756 CRMFB_DID_CONTROL) & 1) == 0);
757 if (!idle)
758 delay(10);
759 bail--;
760 } while ((!idle) && (bail > 0));
761 return idle;
762 }
763
764 static int
765 crmfb_setup_video(struct crmfb_softc *sc, int depth)
766 {
767 uint64_t reg;
768 uint32_t d, h, mode, page;
769 int i, bail, tile_width, tlbptr, lptr, j, tx, shift;
770 const char *wantsync;
771 uint16_t v;
772
773 /* disable DMA */
774 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_OVR_CONTROL);
775 d &= ~(1 << CRMFB_OVR_CONTROL_DMAEN_SHIFT);
776 crmfb_write_reg(sc, CRMFB_OVR_CONTROL, d);
777 DELAY(50000);
778 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL);
779 d &= ~(1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT);
780 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
781 DELAY(50000);
782 crmfb_write_reg(sc, CRMFB_DID_CONTROL, 0);
783 DELAY(50000);
784
785 if (!crmfb_wait_dma_idle(sc))
786 aprint_error("crmfb: crmfb_wait_dma_idle timed out\n");
787
788 /* ensure that CRM starts drawing at the top left of the screen
789 * when we re-enable DMA later
790 */
791 d = (1 << CRMFB_VT_XY_FREEZE_SHIFT);
792 crmfb_write_reg(sc, CRMFB_VT_XY, d);
793 delay(1000);
794 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK);
795 d &= ~(1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT);
796 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d);
797
798 /* wait for dotclock to turn off */
799 bail = 10000;
800 while ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK) &
801 (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT)) && (bail > 0)) {
802 delay(10);
803 bail--;
804 }
805
806 /* reset FIFO */
807 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
808 d |= (1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT);
809 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
810 d &= ~(1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT);
811 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
812
813 /* setup colour mode */
814 switch (depth) {
815 case 8:
816 h = CRMFB_MODE_TYP_I8;
817 tile_width = 512;
818 break;
819 case 16:
820 h = CRMFB_MODE_TYP_ARGB5;
821 tile_width = 256;
822 break;
823 case 32:
824 h = CRMFB_MODE_TYP_RGB8;
825 tile_width = 128;
826 break;
827 default:
828 panic("Unsupported depth");
829 }
830 d = h << CRMFB_MODE_TYP_SHIFT;
831 d |= CRMFB_MODE_BUF_BOTH << CRMFB_MODE_BUF_SHIFT;
832 for (i = 0; i < (32 * 4); i += 4)
833 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CRMFB_MODE + i, d);
834 wbflush();
835
836 /* setup tile pointer, but don't turn on DMA yet! */
837 h = DMAADDR(sc->sc_dmai);
838 d = (h >> 9) << CRMFB_FRM_CONTROL_TILEPTR_SHIFT;
839 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
840
841 /* init framebuffer width and pixel size */
842 /*d = (1 << CRMFB_FRM_TILESIZE_WIDTH_SHIFT);*/
843
844 d = ((int)(sc->sc_width / tile_width)) <<
845 CRMFB_FRM_TILESIZE_WIDTH_SHIFT;
846 if ((sc->sc_width & (tile_width - 1)) != 0)
847 d |= sc->sc_tiles_y;
848
849 switch (depth) {
850 case 8:
851 h = CRMFB_FRM_TILESIZE_DEPTH_8;
852 break;
853 case 16:
854 h = CRMFB_FRM_TILESIZE_DEPTH_16;
855 break;
856 case 32:
857 h = CRMFB_FRM_TILESIZE_DEPTH_32;
858 break;
859 default:
860 panic("Unsupported depth");
861 }
862 d |= (h << CRMFB_FRM_TILESIZE_DEPTH_SHIFT);
863 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
864
865 /*h = sc->sc_width * sc->sc_height / (512 / (depth >> 3));*/
866 h = sc->sc_height;
867 d = h << CRMFB_FRM_PIXSIZE_HEIGHT_SHIFT;
868 crmfb_write_reg(sc, CRMFB_FRM_PIXSIZE, d);
869
870 /* turn off firmware overlay and hardware cursor */
871 crmfb_write_reg(sc, CRMFB_OVR_WIDTH_TILE, 0);
872 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, 0);
873
874 /* enable drawing again */
875 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK);
876 d |= (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT);
877 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d);
878 crmfb_write_reg(sc, CRMFB_VT_XY, 0);
879
880 /* turn on DMA for the framebuffer */
881 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL);
882 d |= (1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT);
883 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
884
885 /* turn off sync-on-green */
886
887 wantsync = arcbios_GetEnvironmentVariable("SyncOnGreen");
888 if ( (wantsync != NULL) && (wantsync[0] == 'n') ) {
889 d = ( 1 << CRMFB_VT_FLAGS_SYNC_LOW_LSB) &
890 CRMFB_REG_MASK(CRMFB_VT_FLAGS_SYNC_LOW_MSB,
891 CRMFB_VT_FLAGS_SYNC_LOW_LSB);
892 crmfb_write_reg(sc, CRMFB_VT_FLAGS, d);
893 }
894
895 sc->sc_depth = depth;
896
897 /* finally set up the drawing engine's TLB A */
898 v = (DMAADDR(sc->sc_dma) >> 16) & 0xffff;
899 tlbptr = 0;
900 tx = ((sc->sc_width + (tile_width - 1)) & ~(tile_width - 1)) /
901 tile_width;
902
903 #ifdef CRMFB_DEBUG
904 printf("tx: %d\n", tx);
905 #endif
906
907 for (i = 0; i < 16; i++) {
908 reg = 0;
909 shift = 64;
910 lptr = 0;
911 for (j = 0; j < tx; j++) {
912 shift -= 16;
913 reg |= (((uint64_t)(v | 0x8000)) << shift);
914 if (shift == 0) {
915 shift = 64;
916 bus_space_write_8(sc->sc_iot, sc->sc_reh,
917 CRIME_RE_TLB_A + tlbptr + lptr,
918 reg);
919 #ifdef CRMFB_DEBUG
920 printf("%04x: %016llx\n", tlbptr + lptr, reg);
921 #endif
922 reg = 0;
923 lptr += 8;
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 + lptr, reg);
930 #ifdef CRMFB_DEBUG
931 printf("%04x: %016llx\n", tlbptr + lptr, reg);
932 #endif
933 }
934 tlbptr += 32;
935 }
936 sc->sc_scratch = (char *)KERNADDR(sc->sc_dma) + (0xf0000 * tx);
937
938 /* now put the last 64kB into the 1st linear TLB */
939 page = (sc->sc_linear >> 12) | 0x80000000;
940 tlbptr = 0;
941 for (i = 0; i < 8; i++) {
942 reg = ((uint64_t)page << 32) | (page + 1);
943 bus_space_write_8(sc->sc_iot, sc->sc_reh,
944 CRIME_RE_LINEAR_A + tlbptr, reg);
945 page += 2;
946 tlbptr += 8;
947 }
948 wbflush();
949
950 /* do some very basic engine setup */
951 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_CLIPMODE, 0);
952 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_SRC, 0);
953 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_DST, 0);
954 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PLANEMASK,
955 0xffffffff);
956
957 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x20, 0);
958 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x28, 0);
959 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x30, 0);
960 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x38, 0);
961 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x40, 0);
962
963 switch (depth) {
964 case 8:
965 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 |
966 DE_MODE_TYPE_CI | DE_MODE_PIXDEPTH_8;
967 break;
968 case 16:
969 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_16 |
970 DE_MODE_TYPE_RGB | DE_MODE_PIXDEPTH_16;
971 break;
972 case 32:
973 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_32 |
974 DE_MODE_TYPE_RGBA | DE_MODE_PIXDEPTH_32;
975 break;
976 default:
977 panic("%s: unsuported colour depth %d\n", __func__,
978 depth);
979 }
980 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_DST, mode);
981 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC, mode);
982 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_X, 1);
983 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_Y, 1);
984
985 /* initialize memory transfer engine */
986 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
987 MTE_MODE_DST_ECC |
988 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
989 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
990 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
991 MTE_MODE_COPY);
992 sc->sc_mte_direction = 1;
993 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_Y_STEP, 1);
994 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_Y_STEP, 1);
995
996 return 0;
997 }
998
999 static void
1000 crmfb_set_mte_direction(struct crmfb_softc *sc, int dir)
1001 {
1002 if (dir == sc->sc_mte_direction)
1003 return;
1004
1005 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_Y_STEP, dir);
1006 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_Y_STEP, dir);
1007 sc->sc_mte_direction = dir;
1008 }
1009
1010 static void
1011 crmfb_setup_palette(struct crmfb_softc *sc)
1012 {
1013 int i;
1014
1015 for (i = 0; i < 256; i++) {
1016 crmfb_set_palette(sc, i, rasops_cmap[(i * 3) + 2],
1017 rasops_cmap[(i * 3) + 1], rasops_cmap[(i * 3) + 0]);
1018 sc->sc_cmap_red[i] = rasops_cmap[(i * 3) + 2];
1019 sc->sc_cmap_green[i] = rasops_cmap[(i * 3) + 1];
1020 sc->sc_cmap_blue[i] = rasops_cmap[(i * 3) + 0];
1021 }
1022 }
1023
1024 static inline void
1025 crmfb_wait_idle(struct crmfb_softc *sc)
1026 {
1027 int i = 0;
1028
1029 do {
1030 i++;
1031 } while (((bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS) &
1032 CRIME_DE_IDLE) == 0) && (i < 100000000));
1033 if (i >= 100000000)
1034 aprint_error("crmfb_wait_idle() timed out\n");
1035 }
1036
1037 static void
1038 crmfb_fill_rect(struct crmfb_softc *sc, int x, int y, int width, int height,
1039 uint32_t colour)
1040 {
1041 crmfb_wait_idle(sc);
1042 crmfb_set_mte_direction(sc, 1);
1043 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1044 MTE_MODE_DST_ECC |
1045 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1046 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1047 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1048 0);
1049 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, colour);
1050 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0,
1051 (x << 16) | (y & 0xffff));
1052 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1053 CRIME_MTE_DST1 | CRIME_DE_START,
1054 ((x + width - 1) << 16) | ((y + height - 1) & 0xffff));
1055 }
1056
1057 static void
1058 crmfb_bitblt(struct crmfb_softc *sc, int xs, int ys, int xd, int yd,
1059 int wi, int he, uint32_t rop)
1060 {
1061 uint32_t prim = DE_PRIM_RECTANGLE;
1062 int rxa, rya, rxe, rye, rxs, rys;
1063 crmfb_wait_idle(sc);
1064 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1065 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP |
1066 DE_DRAWMODE_XFER_EN);
1067 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, rop);
1068 if (xs < xd) {
1069 prim |= DE_PRIM_RL;
1070 rxe = xd;
1071 rxa = xd + wi - 1;
1072 rxs = xs + wi - 1;
1073 } else {
1074 prim |= DE_PRIM_LR;
1075 rxe = xd + wi - 1;
1076 rxa = xd;
1077 rxs = xs;
1078 }
1079 if (ys < yd) {
1080 prim |= DE_PRIM_BT;
1081 rye = yd;
1082 rya = yd + he - 1;
1083 rys = ys + he - 1;
1084 } else {
1085 prim |= DE_PRIM_TB;
1086 rye = yd + he - 1;
1087 rya = yd;
1088 rys = ys;
1089 }
1090 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, prim);
1091 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC,
1092 (rxs << 16) | (rys & 0xffff));
1093 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0,
1094 (rxa << 16) | (rya & 0xffff));
1095 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1096 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1097 (rxe << 16) | (rye & 0xffff));
1098 }
1099
1100 static void
1101 crmfb_scroll(struct crmfb_softc *sc, int xs, int ys, int xd, int yd,
1102 int wi, int he)
1103 {
1104 int rxa, rya, rxe, rye, rxd, ryd, rxde, ryde;
1105
1106 rxa = xs;
1107 rxe = xs + wi - 1;
1108 rxd = xd;
1109 rxde = xd + wi - 1;
1110
1111 crmfb_wait_idle(sc);
1112
1113 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1114 MTE_MODE_DST_ECC |
1115 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1116 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1117 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1118 MTE_MODE_COPY);
1119
1120 if (ys < yd) {
1121 /* bottom to top */
1122 rye = ys;
1123 rya = ys + he - 1;
1124 ryd = yd + he - 1;
1125 ryde = yd;
1126 crmfb_set_mte_direction(sc, -1);
1127 } else {
1128 /* top to bottom */
1129 rye = ys + he - 1;
1130 rya = ys;
1131 ryd = yd;
1132 ryde = yd + he - 1;
1133 crmfb_set_mte_direction(sc, 1);
1134 }
1135 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0,
1136 (rxa << 16) | rya);
1137 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1,
1138 (rxe << 16) | rye);
1139 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1140 CRIME_MTE_DST0,
1141 (rxd << 16) | ryd);
1142 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 |
1143 CRIME_DE_START,
1144 (rxde << 16) | ryde);
1145 }
1146
1147 #ifdef CRMFB_DEBUG
1148 void
1149 crmfb_test_mte(struct crmfb_softc *sc)
1150 {
1151 uint64_t addr, reg;
1152 uint32_t addrs[256];
1153 int i, j, boo;
1154
1155 crmfb_wait_idle(sc);
1156 addr = (uint64_t)(DMAADDR(sc->sc_dma) + sc->sc_fbsize);
1157 addr = addr >> 12;
1158 for (i = 0; i < 64; i += 8) {
1159 #if 1
1160 reg = (addr << 32) | (addr + 1) | 0x8000000080000000LL;
1161 bus_space_write_8(sc->sc_iot, sc->sc_reh,
1162 CRIME_RE_LINEAR_A + i, reg);
1163 printf(" %08x", (uint32_t)(addr & 0xffffffff));
1164 #endif
1165 addr += 2;
1166 }
1167 printf("\n");
1168 memset(sc->sc_scratch, 4, 0x10000);
1169 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1170 DE_MODE_LIN_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1171 DE_MODE_PIXDEPTH_8);
1172 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STRD_SRC, 1);
1173 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1174 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP |
1175 DE_DRAWMODE_XFER_EN);
1176 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, 3);
1177 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE,
1178 DE_PRIM_RECTANGLE | DE_PRIM_TB);
1179 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC, 0);
1180 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0,
1181 0x02000000);
1182 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1183 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1184 0x04000100);
1185
1186 crmfb_wait_idle(sc);
1187 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1188 DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1189 DE_MODE_PIXDEPTH_8);
1190
1191 #if 1
1192 delay(4000000);
1193
1194 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, 0x15151515);
1195 crmfb_wait_idle(sc);
1196 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1197 MTE_MODE_DST_ECC |
1198 (MTE_TLB_LIN_A << MTE_DST_TLB_SHIFT) |
1199 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1200 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1201 0/*MTE_MODE_COPY*/);
1202 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_STRIDE, 1);
1203 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_STRIDE, 1);
1204 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0, 0x00000000);
1205 //bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1, 0x01000100);
1206 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0, 0x00000000);
1207 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 |
1208 CRIME_DE_START, 0x00010000);
1209 //status[9] = bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS);
1210 crmfb_wait_idle(sc);
1211 /* now look for 0x05050505 in RAM */
1212
1213 boo = 0;
1214 for (i = 0xA0000000; i < 0xB0000000; i += 0x1000)
1215 if (*((uint32_t *)i) == 0x15151515) {
1216 /* see if there's more */
1217 j = 4;
1218 while ((j < 0x100) && (*((uint32_t *)(i + j)) ==
1219 0x15151515))
1220 j += 4;
1221 if (j > 0x20) {
1222 addrs[boo] = i;
1223 boo++;
1224 }
1225 }
1226 printf("...");
1227 for (i = 0; i < boo; i++)
1228 printf(" %08x", addrs[i]);
1229 printf("\n");
1230 #endif
1231 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1232 DE_MODE_LIN_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1233 DE_MODE_PIXDEPTH_8);
1234 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STRD_SRC, 1);
1235 crmfb_bitblt(sc, 0, 0, 400, 0, 512, 64, 3);
1236 crmfb_wait_idle(sc);
1237 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1238 DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1239 DE_MODE_PIXDEPTH_8);
1240 #if 0
1241 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1242 MTE_MODE_DST_ECC |
1243 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1244 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1245 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1246 0/*MTE_MODE_COPY*/);
1247 #endif
1248 delay(4000000);
1249 #if 0
1250 for (i = 0; i < 128; i+=8)
1251 printf("%016llx\n", bus_space_read_8(sc->sc_iot, sc->sc_reh,
1252 CRIME_RE_LINEAR_B + i));
1253 #endif
1254 #if 0
1255 printf("flush: %08x\n",
1256 bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FLUSH));
1257 #endif
1258 }
1259 #endif /* CRMFB_DEBUG */
1260
1261 static void
1262 crmfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1263 {
1264 struct rasops_info *ri = cookie;
1265 struct vcons_screen *scr = ri->ri_hw;
1266 int32_t xs, xd, y, width, height;
1267
1268 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1269 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1270 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1271 width = ri->ri_font->fontwidth * ncols;
1272 height = ri->ri_font->fontheight;
1273 crmfb_bitblt(scr->scr_cookie, xs, y, xd, y, width, height, 3);
1274 }
1275
1276 static void
1277 crmfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1278 {
1279 struct rasops_info *ri = cookie;
1280 struct vcons_screen *scr = ri->ri_hw;
1281 int32_t x, y, width, height, bg;
1282
1283 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1284 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1285 width = ri->ri_font->fontwidth * ncols;
1286 height = ri->ri_font->fontheight;
1287 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1288 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg);
1289 }
1290
1291 static void
1292 crmfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1293 {
1294 struct rasops_info *ri = cookie;
1295 struct vcons_screen *scr = ri->ri_hw;
1296 int32_t x, ys, yd, width, height;
1297
1298 x = ri->ri_xorigin;
1299 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1300 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1301 width = ri->ri_emuwidth;
1302 height = ri->ri_font->fontheight * nrows;
1303
1304 crmfb_scroll(scr->scr_cookie, x, ys, x, yd, width, height);
1305 }
1306
1307 static void
1308 crmfb_eraserows(void *cookie, int row, int nrows, long fillattr)
1309 {
1310 struct rasops_info *ri = cookie;
1311 struct vcons_screen *scr = ri->ri_hw;
1312 int32_t x, y, width, height, bg;
1313
1314 if ((row == 0) && (nrows == ri->ri_rows)) {
1315 x = y = 0;
1316 width = ri->ri_width;
1317 height = ri->ri_height;
1318 } else {
1319 x = ri->ri_xorigin;
1320 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1321 width = ri->ri_emuwidth;
1322 height = ri->ri_font->fontheight * nrows;
1323 }
1324 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1325 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg);
1326 }
1327
1328 static void
1329 crmfb_cursor(void *cookie, int on, int row, int col)
1330 {
1331 struct rasops_info *ri = cookie;
1332 struct vcons_screen *scr = ri->ri_hw;
1333 struct crmfb_softc *sc = scr->scr_cookie;
1334 int x, y, wi,he;
1335
1336 wi = ri->ri_font->fontwidth;
1337 he = ri->ri_font->fontheight;
1338
1339 if (ri->ri_flg & RI_CURSOR) {
1340 x = ri->ri_ccol * wi + ri->ri_xorigin;
1341 y = ri->ri_crow * he + ri->ri_yorigin;
1342 crmfb_bitblt(sc, x, y, x, y, wi, he, 12);
1343 ri->ri_flg &= ~RI_CURSOR;
1344 }
1345
1346 ri->ri_crow = row;
1347 ri->ri_ccol = col;
1348
1349 if (on)
1350 {
1351 x = ri->ri_ccol * wi + ri->ri_xorigin;
1352 y = ri->ri_crow * he + ri->ri_yorigin;
1353 crmfb_bitblt(sc, x, y, x, y, wi, he, 12);
1354 ri->ri_flg |= RI_CURSOR;
1355 }
1356 }
1357
1358 static void
1359 crmfb_putchar(void *cookie, int row, int col, u_int c, long attr)
1360 {
1361 struct rasops_info *ri = cookie;
1362 struct vcons_screen *scr = ri->ri_hw;
1363 struct crmfb_softc *sc = scr->scr_cookie;
1364 struct wsdisplay_font *font = PICK_FONT(ri, c);
1365 uint32_t bg, fg;
1366 int x, y, wi, he, i, uc;
1367 uint8_t *fd8;
1368 uint16_t *fd16;
1369 void *fd;
1370
1371 wi = font->fontwidth;
1372 he = font->fontheight;
1373
1374 x = ri->ri_xorigin + col * wi;
1375 y = ri->ri_yorigin + row * he;
1376
1377 bg = ri->ri_devcmap[(attr >> 16) & 0xff];
1378 fg = ri->ri_devcmap[(attr >> 24) & 0xff];
1379 uc = c - font->firstchar;
1380 fd = (uint8_t *)font->data + uc * ri->ri_fontscale;
1381 if (c == 0x20) {
1382 crmfb_fill_rect(sc, x, y, wi, he, bg);
1383 } else {
1384 crmfb_wait_idle(sc);
1385 /* setup */
1386 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, 3);
1387 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FG, fg);
1388 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_BG, bg);
1389 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1390 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK |
1391 DE_DRAWMODE_ROP |
1392 DE_DRAWMODE_OPAQUE_STIP | DE_DRAWMODE_POLY_STIP);
1393 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE,
1394 DE_PRIM_RECTANGLE | DE_PRIM_LR | DE_PRIM_TB);
1395 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STIPPLE_MODE,
1396 0x001f0000);
1397 /* now let's feed the engine */
1398 if (font->stride == 1) {
1399 /* shovel in 8 bit quantities */
1400 fd8 = fd;
1401 for (i = 0; i < he; i++) {
1402 /*
1403 * the pipeline should be long enough to
1404 * draw any character without having to wait
1405 */
1406 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1407 CRIME_DE_STIPPLE_PAT, *fd8 << 24);
1408 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1409 CRIME_DE_X_VERTEX_0, (x << 16) | y);
1410 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1411 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1412 ((x + wi) << 16) | y);
1413 y++;
1414 fd8++;
1415 }
1416 } else if (font->stride == 2) {
1417 /* shovel in 16 bit quantities */
1418 fd16 = fd;
1419 for (i = 0; i < he; i++) {
1420 /*
1421 * the pipeline should be long enough to
1422 * draw any character without having to wait
1423 */
1424 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1425 CRIME_DE_STIPPLE_PAT, *fd16 << 16);
1426 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1427 CRIME_DE_X_VERTEX_0, (x << 16) | y);
1428 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1429 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1430 ((x + wi) << 16) | y);
1431 y++;
1432 fd16++;
1433 }
1434 }
1435 }
1436 }
1437