crmfb.c revision 1.7.8.8 1 /* $NetBSD: crmfb.c,v 1.7.8.8 2008/03/24 09:38:39 yamt Exp $ */
2
3 /*-
4 * Copyright (c) 2007 Jared D. McNeill <jmcneill (at) invisible.ca>
5 * 2008 Michael Lorenz <macallan (at) netbsd.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Jared D. McNeill.
19 * 4. Neither the name of The NetBSD Foundation nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 /*
37 * SGI-CRM (O2) Framebuffer driver
38 */
39
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: crmfb.c,v 1.7.8.8 2008/03/24 09:38:39 yamt Exp $");
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/device.h>
46 #include <sys/malloc.h>
47
48 #define _SGIMIPS_BUS_DMA_PRIVATE
49 #include <machine/autoconf.h>
50 #include <machine/bus.h>
51 #include <machine/machtype.h>
52 #include <machine/vmparam.h>
53
54 #include <dev/arcbios/arcbios.h>
55 #include <dev/arcbios/arcbiosvar.h>
56
57 #include <dev/wscons/wsdisplayvar.h>
58 #include <dev/wscons/wsconsio.h>
59 #include <dev/wsfont/wsfont.h>
60 #include <dev/rasops/rasops.h>
61 #include <dev/wscons/wsdisplay_vconsvar.h>
62
63 #include <arch/sgimips/dev/crmfbreg.h>
64
65 /*#define CRMFB_DEBUG*/
66
67 struct wsscreen_descr crmfb_defaultscreen = {
68 "default",
69 0, 0,
70 NULL,
71 8, 16,
72 WSSCREEN_WSCOLORS,
73 NULL,
74 };
75
76 const struct wsscreen_descr *_crmfb_scrlist[] = {
77 &crmfb_defaultscreen,
78 };
79
80 struct wsscreen_list crmfb_screenlist = {
81 sizeof(_crmfb_scrlist) / sizeof(struct wsscreen_descr *),
82 _crmfb_scrlist
83 };
84
85 static struct vcons_screen crmfb_console_screen;
86
87 static int crmfb_ioctl(void *, void *, u_long, void *, int, struct lwp *);
88 static paddr_t crmfb_mmap(void *, void *, off_t, int);
89 static void crmfb_init_screen(void *, struct vcons_screen *, int, long *);
90
91 struct wsdisplay_accessops crmfb_accessops = {
92 crmfb_ioctl,
93 crmfb_mmap,
94 NULL, /* alloc_screen */
95 NULL, /* free_screen */
96 NULL, /* show_screen */
97 NULL, /* load_font */
98 NULL, /* pollc */
99 NULL, /* scroll */
100 };
101
102 /* Memory to allocate to SGI-CRM -- remember, this is stolen from
103 * host memory!
104 */
105 #define CRMFB_TILESIZE (512*128)
106
107 static int crmfb_match(struct device *, struct cfdata *, void *);
108 static void crmfb_attach(struct device *, struct device *, void *);
109 int crmfb_probe(void);
110
111 #define KERNADDR(p) ((void *)((p).addr))
112 #define DMAADDR(p) ((p).map->dm_segs[0].ds_addr)
113
114 #define CRMFB_REG_MASK(msb, lsb) \
115 ( (((uint32_t) 1 << ((msb)-(lsb)+1)) - 1) << (lsb) )
116
117
118 struct crmfb_dma {
119 bus_dmamap_t map;
120 void *addr;
121 bus_dma_segment_t segs[1];
122 int nsegs;
123 size_t size;
124 };
125
126 struct crmfb_softc {
127 struct device sc_dev;
128 struct vcons_data sc_vd;
129
130 bus_space_tag_t sc_iot;
131 bus_space_handle_t sc_ioh;
132 bus_space_handle_t sc_reh;
133
134 bus_dma_tag_t sc_dmat;
135
136 struct crmfb_dma sc_dma;
137 struct crmfb_dma sc_dmai;
138
139 int sc_width;
140 int sc_height;
141 int sc_depth;
142 int sc_tiles_x, sc_tiles_y;
143 uint32_t sc_fbsize;
144 int sc_mte_direction;
145 uint8_t *sc_scratch;
146 paddr_t sc_linear;
147 struct rasops_info sc_rasops;
148 int sc_cells;
149 int sc_current_cell;
150 int sc_wsmode;
151
152 /* cursor stuff */
153 int sc_cur_x;
154 int sc_cur_y;
155 int sc_hot_x;
156 int sc_hot_y;
157
158 u_char sc_cmap_red[256];
159 u_char sc_cmap_green[256];
160 u_char sc_cmap_blue[256];
161 };
162
163 static int crmfb_putcmap(struct crmfb_softc *, struct wsdisplay_cmap *);
164 static int crmfb_getcmap(struct crmfb_softc *, struct wsdisplay_cmap *);
165 static void crmfb_set_palette(struct crmfb_softc *,
166 int, uint8_t, uint8_t, uint8_t);
167 static int crmfb_set_curpos(struct crmfb_softc *, int, int);
168 static int crmfb_gcursor(struct crmfb_softc *, struct wsdisplay_cursor *);
169 static int crmfb_scursor(struct crmfb_softc *, struct wsdisplay_cursor *);
170 static inline void crmfb_write_reg(struct crmfb_softc *, int, uint32_t);
171 static inline uint32_t crmfb_read_reg(struct crmfb_softc *, int);
172 static int crmfb_wait_dma_idle(struct crmfb_softc *);
173
174 /* setup video hw in given colour depth */
175 static int crmfb_setup_video(struct crmfb_softc *, int);
176 static void crmfb_setup_palette(struct crmfb_softc *);
177
178 #ifdef CRMFB_DEBUG
179 void crmfb_test_mte(struct crmfb_softc *);
180 #endif
181
182 static void crmfb_fill_rect(struct crmfb_softc *, int, int, int, int, uint32_t);
183 static void crmfb_bitblt(struct crmfb_softc *, int, int, int, int, int, int,
184 uint32_t);
185 static void crmfb_scroll(struct crmfb_softc *, int, int, int, int, int, int);
186
187 static void crmfb_copycols(void *, int, int, int, int);
188 static void crmfb_erasecols(void *, int, int, int, long);
189 static void crmfb_copyrows(void *, int, int, int);
190 static void crmfb_eraserows(void *, int, int, long);
191 static void crmfb_cursor(void *, int, int, int);
192 static void crmfb_putchar(void *, int, int, u_int, long);
193
194 CFATTACH_DECL(crmfb, sizeof(struct crmfb_softc),
195 crmfb_match, crmfb_attach, NULL, NULL);
196
197 static int
198 crmfb_match(struct device *parent, struct cfdata *cf, void *opaque)
199 {
200 return crmfb_probe();
201 }
202
203 static void
204 crmfb_attach(struct device *parent, struct device *self, void *opaque)
205 {
206 struct mainbus_attach_args *ma;
207 struct crmfb_softc *sc;
208 struct rasops_info *ri;
209 struct wsemuldisplaydev_attach_args aa;
210 uint32_t d, h;
211 uint16_t *p;
212 unsigned long v;
213 long defattr;
214 const char *consdev;
215 int rv, i;
216
217 sc = (struct crmfb_softc *)self;
218 ma = (struct mainbus_attach_args *)opaque;
219
220 sc->sc_iot = SGIMIPS_BUS_SPACE_CRIME;
221 sc->sc_dmat = &sgimips_default_bus_dma_tag;
222 sc->sc_wsmode = WSDISPLAYIO_MODE_EMUL;
223
224 aprint_normal(": SGI CRIME Graphics Display Engine\n");
225 rv = bus_space_map(sc->sc_iot, ma->ma_addr, 0 /* XXX */,
226 BUS_SPACE_MAP_LINEAR, &sc->sc_ioh);
227 if (rv)
228 panic("crmfb_attach: can't map I/O space");
229 rv = bus_space_map(sc->sc_iot, 0x15000000, 0x6000, 0, &sc->sc_reh);
230 if (rv)
231 panic("crmfb_attach: can't map rendering engine");
232
233 /* determine mode configured by firmware */
234 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_HCMAP);
235 sc->sc_width = (d >> CRMFB_VT_HCMAP_ON_SHIFT) & 0xfff;
236 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_VCMAP);
237 sc->sc_height = (d >> CRMFB_VT_VCMAP_ON_SHIFT) & 0xfff;
238 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
239 h = (d >> CRMFB_FRM_TILESIZE_DEPTH_SHIFT) & 0x3;
240 if (h == 0)
241 sc->sc_depth = 8;
242 else if (h == 1)
243 sc->sc_depth = 16;
244 else
245 sc->sc_depth = 32;
246
247 if (sc->sc_width == 0 || sc->sc_height == 0) {
248 aprint_error("%s: device unusable if not setup by firmware\n",
249 sc->sc_dev.dv_xname);
250 bus_space_unmap(sc->sc_iot, sc->sc_ioh, 0 /* XXX */);
251 return;
252 }
253
254 aprint_normal("%s: initial resolution %dx%d\n",
255 sc->sc_dev.dv_xname, sc->sc_width, sc->sc_height);
256
257 /*
258 * first determine how many tiles we need
259 * in 32bit each tile is 128x128 pixels
260 */
261 sc->sc_tiles_x = (sc->sc_width + 127) >> 7;
262 sc->sc_tiles_y = (sc->sc_height + 127) >> 7;
263 sc->sc_fbsize = 0x10000 * sc->sc_tiles_x * sc->sc_tiles_y;
264
265 sc->sc_dmai.size = 256 * sizeof(uint16_t);
266 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dmai.size, 65536, 0,
267 sc->sc_dmai.segs,
268 sizeof(sc->sc_dmai.segs) / sizeof(sc->sc_dmai.segs[0]),
269 &sc->sc_dmai.nsegs, BUS_DMA_NOWAIT);
270 if (rv)
271 panic("crmfb_attach: can't allocate DMA memory");
272 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dmai.segs, sc->sc_dmai.nsegs,
273 sc->sc_dmai.size, &sc->sc_dmai.addr,
274 BUS_DMA_NOWAIT);
275 if (rv)
276 panic("crmfb_attach: can't map DMA memory");
277 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dmai.size, 1,
278 sc->sc_dmai.size, 0, BUS_DMA_NOWAIT, &sc->sc_dmai.map);
279 if (rv)
280 panic("crmfb_attach: can't create DMA map");
281 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dmai.map, sc->sc_dmai.addr,
282 sc->sc_dmai.size, NULL, BUS_DMA_NOWAIT);
283 if (rv)
284 panic("crmfb_attach: can't load DMA map");
285
286 /* allocate an extra 64Kb for a linear buffer */
287 sc->sc_dma.size = 0x10000 * (16 * sc->sc_tiles_x + 1);
288 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dma.size, 65536, 0,
289 sc->sc_dma.segs,
290 sizeof(sc->sc_dma.segs) / sizeof(sc->sc_dma.segs[0]),
291 &sc->sc_dma.nsegs, BUS_DMA_NOWAIT);
292 if (rv)
293 panic("crmfb_attach: can't allocate DMA memory");
294 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dma.segs, sc->sc_dma.nsegs,
295 sc->sc_dma.size, &sc->sc_dma.addr,
296 BUS_DMA_NOWAIT | BUS_DMA_COHERENT);
297 if (rv)
298 panic("crmfb_attach: can't map DMA memory");
299 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dma.size, 1,
300 sc->sc_dma.size, 0, BUS_DMA_NOWAIT, &sc->sc_dma.map);
301 if (rv)
302 panic("crmfb_attach: can't create DMA map");
303 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dma.map, sc->sc_dma.addr,
304 sc->sc_dma.size, NULL, BUS_DMA_NOWAIT);
305 if (rv)
306 panic("crmfb_attach: can't load DMA map");
307
308 p = KERNADDR(sc->sc_dmai);
309 v = (unsigned long)DMAADDR(sc->sc_dma);
310 for (i = 0; i < (sc->sc_tiles_x * sc->sc_tiles_y); i++) {
311 p[i] = ((uint32_t)v >> 16) + i;
312 }
313 sc->sc_scratch = (char *)KERNADDR(sc->sc_dma) + (0xf0000 * sc->sc_tiles_x);
314 sc->sc_linear = (paddr_t)DMAADDR(sc->sc_dma) + 0x100000 * sc->sc_tiles_x;
315
316 aprint_normal("%s: allocated %d byte fb @ %p (%p)\n",
317 sc->sc_dev.dv_xname,
318 sc->sc_fbsize, KERNADDR(sc->sc_dmai), KERNADDR(sc->sc_dma));
319
320 sc->sc_current_cell = 0;
321
322 crmfb_setup_video(sc, 8);
323 ri = &crmfb_console_screen.scr_ri;
324 memset(ri, 0, sizeof(struct rasops_info));
325
326 vcons_init(&sc->sc_vd, sc, &crmfb_defaultscreen, &crmfb_accessops);
327 sc->sc_vd.init_screen = crmfb_init_screen;
328 crmfb_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
329 vcons_init_screen(&sc->sc_vd, &crmfb_console_screen, 1, &defattr);
330
331 crmfb_defaultscreen.ncols = ri->ri_cols;
332 crmfb_defaultscreen.nrows = ri->ri_rows;
333 crmfb_defaultscreen.textops = &ri->ri_ops;
334 crmfb_defaultscreen.capabilities = ri->ri_caps;
335 crmfb_defaultscreen.modecookie = NULL;
336
337 crmfb_setup_palette(sc);
338 crmfb_fill_rect(sc, 0, 0, sc->sc_width, sc->sc_height,
339 ri->ri_devcmap[(defattr >> 16) & 0xff]);
340
341 consdev = ARCBIOS->GetEnvironmentVariable("ConsoleOut");
342 if (consdev != NULL && strcmp(consdev, "video()") == 0) {
343 wsdisplay_cnattach(&crmfb_defaultscreen, ri, 0, 0, defattr);
344 aa.console = 1;
345 } else
346 aa.console = 0;
347 aa.scrdata = &crmfb_screenlist;
348 aa.accessops = &crmfb_accessops;
349 aa.accesscookie = &sc->sc_vd;
350
351 config_found(self, &aa, wsemuldisplaydevprint);
352
353 sc->sc_cur_x = 0;
354 sc->sc_cur_y = 0;
355 sc->sc_hot_x = 0;
356 sc->sc_hot_y = 0;
357
358 #ifdef CRMFB_DEBUG
359 crmfb_test_mte(sc);
360 #endif
361 return;
362 }
363
364 int
365 crmfb_probe(void)
366 {
367
368 if (mach_type != MACH_SGI_IP32)
369 return 0;
370
371 return 1;
372 }
373
374 static int
375 crmfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
376 {
377 struct vcons_data *vd;
378 struct crmfb_softc *sc;
379 struct vcons_screen *ms;
380 struct wsdisplay_fbinfo *wdf;
381 int nmode;
382
383 vd = (struct vcons_data *)v;
384 sc = (struct crmfb_softc *)vd->cookie;
385 ms = (struct vcons_screen *)vd->active;
386
387 switch (cmd) {
388 case WSDISPLAYIO_GTYPE:
389 /* not really, but who cares? */
390 /* wsfb does */
391 *(u_int *)data = WSDISPLAY_TYPE_CRIME;
392 return 0;
393 case WSDISPLAYIO_GINFO:
394 if (vd->active != NULL) {
395 wdf = (void *)data;
396 wdf->height = sc->sc_height;
397 wdf->width = sc->sc_width;
398 wdf->depth = 32;
399 wdf->cmsize = 256;
400 return 0;
401 } else
402 return ENODEV;
403 case WSDISPLAYIO_GETCMAP:
404 if (sc->sc_depth == 8)
405 return crmfb_getcmap(sc, (struct wsdisplay_cmap *)data);
406 else
407 return EINVAL;
408 case WSDISPLAYIO_PUTCMAP:
409 if (sc->sc_depth == 8)
410 return crmfb_putcmap(sc, (struct wsdisplay_cmap *)data);
411 else
412 return EINVAL;
413 case WSDISPLAYIO_LINEBYTES:
414 *(u_int *)data = sc->sc_width * sc->sc_depth / 8;
415 return 0;
416 case WSDISPLAYIO_SMODE:
417 nmode = *(int *)data;
418 if (nmode != sc->sc_wsmode) {
419 sc->sc_wsmode = nmode;
420 if (nmode == WSDISPLAYIO_MODE_EMUL) {
421 crmfb_setup_video(sc, 8);
422 crmfb_setup_palette(sc);
423 vcons_redraw_screen(vd->active);
424 } else {
425 crmfb_setup_video(sc, 32);
426 }
427 }
428 return 0;
429 case WSDISPLAYIO_SVIDEO:
430 case WSDISPLAYIO_GVIDEO:
431 return ENODEV; /* not supported yet */
432
433 case WSDISPLAYIO_GCURPOS:
434 {
435 struct wsdisplay_curpos *pos;
436
437 pos = (struct wsdisplay_curpos *)data;
438 pos->x = sc->sc_cur_x;
439 pos->y = sc->sc_cur_y;
440 }
441 return 0;
442 case WSDISPLAYIO_SCURPOS:
443 {
444 struct wsdisplay_curpos *pos;
445
446 pos = (struct wsdisplay_curpos *)data;
447 crmfb_set_curpos(sc, pos->x, pos->y);
448 }
449 return 0;
450 case WSDISPLAYIO_GCURMAX:
451 {
452 struct wsdisplay_curpos *pos;
453
454 pos = (struct wsdisplay_curpos *)data;
455 pos->x = 32;
456 pos->y = 32;
457 }
458 return 0;
459 case WSDISPLAYIO_GCURSOR:
460 {
461 struct wsdisplay_cursor *cu;
462
463 cu = (struct wsdisplay_cursor *)data;
464 return crmfb_gcursor(sc, cu);
465 }
466 case WSDISPLAYIO_SCURSOR:
467 {
468 struct wsdisplay_cursor *cu;
469
470 cu = (struct wsdisplay_cursor *)data;
471 return crmfb_scursor(sc, cu);
472 }
473 }
474 return EPASSTHROUGH;
475 }
476
477 static paddr_t
478 crmfb_mmap(void *v, void *vs, off_t offset, int prot)
479 {
480 struct vcons_data *vd;
481 struct crmfb_softc *sc;
482 paddr_t pa;
483
484 vd = (struct vcons_data *)v;
485 sc = (struct crmfb_softc *)vd->cookie;
486
487 /* we probably shouldn't let anyone mmap the framebuffer */
488 #if 1
489 if (offset >= 0 && offset < (0x100000 * sc->sc_tiles_x)) {
490 pa = bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs,
491 sc->sc_dma.nsegs, offset, prot,
492 BUS_DMA_WAITOK | BUS_DMA_COHERENT);
493 return pa;
494 }
495 #endif
496 /*
497 * here would the TLBs be but we don't want to show them to userland
498 * so we return the page containing the status register
499 */
500 if ((offset >= 0x15000000) && (offset < 0x15002000))
501 return bus_space_mmap(sc->sc_iot, 0x15004000, 0, prot, 0);
502 /* now the actual engine registers */
503 if ((offset >= 0x15002000) && (offset < 0x15005000))
504 return bus_space_mmap(sc->sc_iot, offset, 0, prot, 0);
505 /* and now the scratch area */
506 if ((offset >= 0x15010000) && (offset < 0x15020000))
507 return bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs,
508 sc->sc_dma.nsegs,
509 offset + (0x100000 * sc->sc_tiles_x) - 0x15010000,
510 prot, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
511 return -1;
512 }
513
514 static void
515 crmfb_init_screen(void *c, struct vcons_screen *scr, int existing,
516 long *defattr)
517 {
518 struct crmfb_softc *sc;
519 struct rasops_info *ri;
520
521 sc = (struct crmfb_softc *)c;
522 ri = &scr->scr_ri;
523
524 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
525 ri->ri_depth = sc->sc_depth;
526 ri->ri_width = sc->sc_width;
527 ri->ri_height = sc->sc_height;
528 ri->ri_stride = ri->ri_width * (ri->ri_depth / 8);
529
530 switch (ri->ri_depth) {
531 case 16:
532 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 5;
533 ri->ri_rpos = 10;
534 ri->ri_gpos = 5;
535 ri->ri_bpos = 0;
536 break;
537 case 32:
538 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 8;
539 ri->ri_rpos = 8;
540 ri->ri_gpos = 16;
541 ri->ri_bpos = 24;
542 break;
543 }
544
545 ri->ri_bits = KERNADDR(sc->sc_dma);
546
547 if (existing)
548 ri->ri_flg |= RI_CLEAR;
549
550 rasops_init(ri, ri->ri_height / 16, ri->ri_width / 8);
551 ri->ri_caps = WSSCREEN_WSCOLORS;
552 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight,
553 ri->ri_width / ri->ri_font->fontwidth);
554 ri->ri_hw = scr;
555
556 /* now make a fake rasops_info for drawing into the scratch tile */
557 memcpy(&sc->sc_rasops, ri, sizeof(struct rasops_info));
558 sc->sc_rasops.ri_width = 512; /* assume we're always in 8bit here */
559 sc->sc_rasops.ri_stride = 512;
560 sc->sc_rasops.ri_height = 128;
561 sc->sc_rasops.ri_xorigin = 0;
562 sc->sc_rasops.ri_yorigin = 0;
563 sc->sc_rasops.ri_bits = sc->sc_scratch;
564 sc->sc_cells = 512 / ri->ri_font->fontwidth;
565
566 ri->ri_ops.cursor = crmfb_cursor;
567 ri->ri_ops.copyrows = crmfb_copyrows;
568 ri->ri_ops.eraserows = crmfb_eraserows;
569 ri->ri_ops.copycols = crmfb_copycols;
570 ri->ri_ops.erasecols = crmfb_erasecols;
571 ri->ri_ops.putchar = crmfb_putchar;
572
573 return;
574 }
575
576 static int
577 crmfb_putcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm)
578 {
579 u_int idx, cnt;
580 u_char r[256], g[256], b[256];
581 u_char *rp, *gp, *bp;
582 int rv, i;
583
584 idx = cm->index;
585 cnt = cm->count;
586
587 if (idx >= 255 || cnt > 256 || idx + cnt > 256)
588 return EINVAL;
589
590 rv = copyin(cm->red, &r[idx], cnt);
591 if (rv)
592 return rv;
593 rv = copyin(cm->green, &g[idx], cnt);
594 if (rv)
595 return rv;
596 rv = copyin(cm->blue, &b[idx], cnt);
597 if (rv)
598 return rv;
599
600 memcpy(&sc->sc_cmap_red[idx], &r[idx], cnt);
601 memcpy(&sc->sc_cmap_green[idx], &g[idx], cnt);
602 memcpy(&sc->sc_cmap_blue[idx], &b[idx], cnt);
603
604 rp = &sc->sc_cmap_red[idx];
605 gp = &sc->sc_cmap_green[idx];
606 bp = &sc->sc_cmap_blue[idx];
607
608 for (i = 0; i < cnt; i++) {
609 crmfb_set_palette(sc, idx, *rp, *gp, *bp);
610 idx++;
611 rp++, gp++, bp++;
612 }
613
614 return 0;
615 }
616
617 static int
618 crmfb_getcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm)
619 {
620 u_int idx, cnt;
621 int rv;
622
623 idx = cm->index;
624 cnt = cm->count;
625
626 if (idx >= 255 || cnt > 256 || idx + cnt > 256)
627 return EINVAL;
628
629 rv = copyout(&sc->sc_cmap_red[idx], cm->red, cnt);
630 if (rv)
631 return rv;
632 rv = copyout(&sc->sc_cmap_green[idx], cm->green, cnt);
633 if (rv)
634 return rv;
635 rv = copyout(&sc->sc_cmap_blue[idx], cm->blue, cnt);
636 if (rv)
637 return rv;
638
639 return 0;
640 }
641
642 static void
643 crmfb_set_palette(struct crmfb_softc *sc, int reg, uint8_t r, uint8_t g,
644 uint8_t b)
645 {
646 uint32_t val;
647
648 if (reg > 255 || sc->sc_depth != 8)
649 return;
650
651 while (bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_CMAP_FIFO) >= 63)
652 DELAY(10);
653
654 val = (r << 8) | (g << 16) | (b << 24);
655 crmfb_write_reg(sc, CRMFB_CMAP + (reg * 4), val);
656
657 return;
658 }
659
660 static int
661 crmfb_set_curpos(struct crmfb_softc *sc, int x, int y)
662 {
663 uint32_t val;
664
665 sc->sc_cur_x = x;
666 sc->sc_cur_y = y;
667
668 val = ((x - sc->sc_hot_x) & 0xffff) | ((y - sc->sc_hot_y) << 16);
669 crmfb_write_reg(sc, CRMFB_CURSOR_POS, val);
670
671 return 0;
672 }
673
674 static int
675 crmfb_gcursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur)
676 {
677 /* do nothing for now */
678 return 0;
679 }
680
681 static int
682 crmfb_scursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur)
683 {
684 if (cur->which & WSDISPLAY_CURSOR_DOCUR) {
685
686 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, cur->enable ? 1 : 0);
687 }
688 if (cur->which & WSDISPLAY_CURSOR_DOHOT) {
689
690 sc->sc_hot_x = cur->hot.x;
691 sc->sc_hot_y = cur->hot.y;
692 }
693 if (cur->which & WSDISPLAY_CURSOR_DOPOS) {
694
695 crmfb_set_curpos(sc, cur->pos.x, cur->pos.y);
696 }
697 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) {
698 int i;
699 uint32_t val;
700
701 for (i = 0; i < cur->cmap.count; i++) {
702 val = (cur->cmap.red[i] << 24) |
703 (cur->cmap.green[i] << 16) |
704 (cur->cmap.blue[i] << 8);
705 crmfb_write_reg(sc, CRMFB_CURSOR_CMAP0 +
706 ((i + cur->cmap.index) << 2), val);
707 }
708 }
709 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) {
710
711 int i, j, cnt = 0;
712 uint32_t latch = 0, omask;
713 uint8_t imask;
714 for (i = 0; i < 64; i++) {
715 omask = 0x80000000;
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 imask = 0x01;
729 cur->image[cnt] &= cur->mask[cnt];
730 for (j = 0; j < 8; j++) {
731 if (cur->image[cnt] & imask)
732 latch |= omask;
733 omask >>= 1;
734 if (cur->mask[cnt] & imask)
735 latch |= omask;
736 omask >>= 1;
737 imask <<= 1;
738 }
739 cnt++;
740 crmfb_write_reg(sc, CRMFB_CURSOR_BITMAP + (i << 2),
741 latch);
742 latch = 0;
743 }
744 }
745 return 0;
746 }
747
748 static inline void
749 crmfb_write_reg(struct crmfb_softc *sc, int offset, uint32_t val)
750 {
751
752 bus_space_write_4(sc->sc_iot, sc->sc_ioh, offset, val);
753 wbflush();
754 }
755
756 static inline uint32_t
757 crmfb_read_reg(struct crmfb_softc *sc, int offset)
758 {
759
760 return bus_space_read_4(sc->sc_iot, sc->sc_ioh, offset);
761 }
762
763 static int
764 crmfb_wait_dma_idle(struct crmfb_softc *sc)
765 {
766 int bail = 100000, idle;
767
768 do {
769 idle = ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
770 CRMFB_OVR_CONTROL) & 1) == 0) &&
771 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
772 CRMFB_FRM_CONTROL) & 1) == 0) &&
773 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
774 CRMFB_DID_CONTROL) & 1) == 0);
775 if (!idle)
776 delay(10);
777 bail--;
778 } while ((!idle) && (bail > 0));
779 return idle;
780 }
781
782 static int
783 crmfb_setup_video(struct crmfb_softc *sc, int depth)
784 {
785 uint64_t reg;
786 uint32_t d, h, mode, page;
787 int i, bail, tile_width, tlbptr, lptr, j, tx, shift;
788 const char *wantsync;
789 uint16_t v;
790
791 /* disable DMA */
792 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_OVR_CONTROL);
793 d &= ~(1 << CRMFB_OVR_CONTROL_DMAEN_SHIFT);
794 crmfb_write_reg(sc, CRMFB_OVR_CONTROL, d);
795 DELAY(50000);
796 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL);
797 d &= ~(1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT);
798 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
799 DELAY(50000);
800 crmfb_write_reg(sc, CRMFB_DID_CONTROL, 0);
801 DELAY(50000);
802
803 if (!crmfb_wait_dma_idle(sc))
804 aprint_error("crmfb: crmfb_wait_dma_idle timed out\n");
805
806 /* ensure that CRM starts drawing at the top left of the screen
807 * when we re-enable DMA later
808 */
809 d = (1 << CRMFB_VT_XY_FREEZE_SHIFT);
810 crmfb_write_reg(sc, CRMFB_VT_XY, d);
811 delay(1000);
812 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK);
813 d &= ~(1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT);
814 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d);
815
816 /* wait for dotclock to turn off */
817 bail = 10000;
818 while ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK) &
819 (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT)) && (bail > 0)) {
820 delay(10);
821 bail--;
822 }
823
824 /* reset FIFO */
825 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
826 d |= (1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT);
827 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
828 d &= ~(1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT);
829 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
830
831 /* setup colour mode */
832 switch (depth) {
833 case 8:
834 h = CRMFB_MODE_TYP_I8;
835 tile_width = 512;
836 break;
837 case 16:
838 h = CRMFB_MODE_TYP_ARGB5;
839 tile_width = 256;
840 break;
841 case 32:
842 h = CRMFB_MODE_TYP_RGB8;
843 tile_width = 128;
844 break;
845 default:
846 panic("Unsupported depth");
847 }
848 d = h << CRMFB_MODE_TYP_SHIFT;
849 d |= CRMFB_MODE_BUF_BOTH << CRMFB_MODE_BUF_SHIFT;
850 for (i = 0; i < (32 * 4); i += 4)
851 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CRMFB_MODE + i, d);
852 wbflush();
853
854 /* setup tile pointer, but don't turn on DMA yet! */
855 h = DMAADDR(sc->sc_dmai);
856 d = (h >> 9) << CRMFB_FRM_CONTROL_TILEPTR_SHIFT;
857 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
858
859 /* init framebuffer width and pixel size */
860 /*d = (1 << CRMFB_FRM_TILESIZE_WIDTH_SHIFT);*/
861
862 d = ((int)(sc->sc_width / tile_width)) <<
863 CRMFB_FRM_TILESIZE_WIDTH_SHIFT;
864 if ((sc->sc_width & (tile_width - 1)) != 0)
865 d |= sc->sc_tiles_y;
866
867 switch (depth) {
868 case 8:
869 h = CRMFB_FRM_TILESIZE_DEPTH_8;
870 break;
871 case 16:
872 h = CRMFB_FRM_TILESIZE_DEPTH_16;
873 break;
874 case 32:
875 h = CRMFB_FRM_TILESIZE_DEPTH_32;
876 break;
877 default:
878 panic("Unsupported depth");
879 }
880 d |= (h << CRMFB_FRM_TILESIZE_DEPTH_SHIFT);
881 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
882
883 /*h = sc->sc_width * sc->sc_height / (512 / (depth >> 3));*/
884 h = sc->sc_height;
885 d = h << CRMFB_FRM_PIXSIZE_HEIGHT_SHIFT;
886 crmfb_write_reg(sc, CRMFB_FRM_PIXSIZE, d);
887
888 /* turn off firmware overlay and hardware cursor */
889 crmfb_write_reg(sc, CRMFB_OVR_WIDTH_TILE, 0);
890 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, 0);
891
892 /* enable drawing again */
893 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK);
894 d |= (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT);
895 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d);
896 crmfb_write_reg(sc, CRMFB_VT_XY, 0);
897
898 /* turn on DMA for the framebuffer */
899 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL);
900 d |= (1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT);
901 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
902
903 /* turn off sync-on-green */
904
905 wantsync = ARCBIOS->GetEnvironmentVariable("SyncOnGreen");
906 if ( (wantsync != NULL) && (wantsync[0] == 'n') ) {
907 d = ( 1 << CRMFB_VT_FLAGS_SYNC_LOW_LSB) &
908 CRMFB_REG_MASK(CRMFB_VT_FLAGS_SYNC_LOW_MSB,
909 CRMFB_VT_FLAGS_SYNC_LOW_LSB);
910 crmfb_write_reg(sc, CRMFB_VT_FLAGS, d);
911 }
912
913 sc->sc_depth = depth;
914
915 /* finally set up the drawing engine's TLB A */
916 v = (DMAADDR(sc->sc_dma) >> 16) & 0xffff;
917 tlbptr = 0;
918 tx = ((sc->sc_width + (tile_width - 1)) & ~(tile_width - 1)) /
919 tile_width;
920
921 #ifdef CRMFB_DEBUG
922 printf("tx: %d\n", tx);
923 #endif
924
925 for (i = 0; i < 16; i++) {
926 reg = 0;
927 shift = 64;
928 lptr = 0;
929 for (j = 0; j < tx; j++) {
930 shift -= 16;
931 reg |= (((uint64_t)(v | 0x8000)) << shift);
932 if (shift == 0) {
933 shift = 64;
934 bus_space_write_8(sc->sc_iot, sc->sc_reh,
935 CRIME_RE_TLB_A + tlbptr + lptr,
936 reg);
937 #ifdef CRMFB_DEBUG
938 printf("%04x: %016llx\n", tlbptr + lptr, reg);
939 #endif
940 reg = 0;
941 lptr += 8;
942 }
943 v++;
944 }
945 if (shift != 64) {
946 bus_space_write_8(sc->sc_iot, sc->sc_reh,
947 CRIME_RE_TLB_A + tlbptr + lptr, reg);
948 #ifdef CRMFB_DEBUG
949 printf("%04x: %016llx\n", tlbptr + lptr, reg);
950 #endif
951 }
952 tlbptr += 32;
953 }
954 sc->sc_scratch = (char *)KERNADDR(sc->sc_dma) + (0xf0000 * tx);
955
956 /* now put the last 64kB into the 1st linear TLB */
957 page = (sc->sc_linear >> 12) | 0x80000000;
958 tlbptr = 0;
959 for (i = 0; i < 8; i++) {
960 reg = ((uint64_t)page << 32) | (page + 1);
961 bus_space_write_8(sc->sc_iot, sc->sc_reh,
962 CRIME_RE_LINEAR_A + tlbptr, reg);
963 page += 2;
964 tlbptr += 8;
965 }
966 wbflush();
967
968 /* do some very basic engine setup */
969 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_CLIPMODE, 0);
970 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_SRC, 0);
971 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_DST, 0);
972 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PLANEMASK,
973 0xffffffff);
974
975 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x20, 0);
976 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x28, 0);
977 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x30, 0);
978 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x38, 0);
979 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x40, 0);
980
981 switch (depth) {
982 case 8:
983 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 |
984 DE_MODE_TYPE_CI | DE_MODE_PIXDEPTH_8;
985 break;
986 case 16:
987 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_16 |
988 DE_MODE_TYPE_RGB | DE_MODE_PIXDEPTH_16;
989 break;
990 case 32:
991 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_32 |
992 DE_MODE_TYPE_RGBA | DE_MODE_PIXDEPTH_32;
993 break;
994 default:
995 panic("%s: unsuported colour depth %d\n", __func__,
996 depth);
997 }
998 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_DST, mode);
999 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC, mode);
1000 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_X, 1);
1001 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_Y, 1);
1002
1003 /* initialize memory transfer engine */
1004 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1005 MTE_MODE_DST_ECC |
1006 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1007 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1008 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1009 MTE_MODE_COPY);
1010 sc->sc_mte_direction = 1;
1011 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_Y_STEP, 1);
1012 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_Y_STEP, 1);
1013
1014 return 0;
1015 }
1016
1017 static void
1018 crmfb_set_mte_direction(struct crmfb_softc *sc, int dir)
1019 {
1020 if (dir == sc->sc_mte_direction)
1021 return;
1022
1023 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_Y_STEP, dir);
1024 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_Y_STEP, dir);
1025 sc->sc_mte_direction = dir;
1026 }
1027
1028 static void
1029 crmfb_setup_palette(struct crmfb_softc *sc)
1030 {
1031 int i;
1032
1033 for (i = 0; i < 256; i++) {
1034 crmfb_set_palette(sc, i, rasops_cmap[(i * 3) + 2],
1035 rasops_cmap[(i * 3) + 1], rasops_cmap[(i * 3) + 0]);
1036 sc->sc_cmap_red[i] = rasops_cmap[(i * 3) + 2];
1037 sc->sc_cmap_green[i] = rasops_cmap[(i * 3) + 1];
1038 sc->sc_cmap_blue[i] = rasops_cmap[(i * 3) + 0];
1039 }
1040 }
1041
1042 static inline void
1043 crmfb_wait_idle(struct crmfb_softc *sc)
1044 {
1045 int i = 0;
1046
1047 do {
1048 i++;
1049 } while (((bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS) &
1050 CRIME_DE_IDLE) == 0) && (i < 100000000));
1051 if (i >= 100000000)
1052 aprint_error("crmfb_wait_idle() timed out\n");
1053 }
1054
1055 static void
1056 crmfb_fill_rect(struct crmfb_softc *sc, int x, int y, int width, int height,
1057 uint32_t colour)
1058 {
1059 crmfb_wait_idle(sc);
1060 crmfb_set_mte_direction(sc, 1);
1061 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1062 MTE_MODE_DST_ECC |
1063 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1064 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1065 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1066 0);
1067 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, colour);
1068 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0,
1069 (x << 16) | (y & 0xffff));
1070 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1071 CRIME_MTE_DST1 | CRIME_DE_START,
1072 ((x + width - 1) << 16) | ((y + height - 1) & 0xffff));
1073 }
1074
1075 static void
1076 crmfb_bitblt(struct crmfb_softc *sc, int xs, int ys, int xd, int yd,
1077 int wi, int he, uint32_t rop)
1078 {
1079 uint32_t prim = DE_PRIM_RECTANGLE;
1080 int rxa, rya, rxe, rye, rxs, rys;
1081 crmfb_wait_idle(sc);
1082 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1083 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP |
1084 DE_DRAWMODE_XFER_EN);
1085 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, rop);
1086 if (xs < xd) {
1087 prim |= DE_PRIM_RL;
1088 rxe = xd;
1089 rxa = xd + wi - 1;
1090 rxs = xs + wi - 1;
1091 } else {
1092 prim |= DE_PRIM_LR;
1093 rxe = xd + wi - 1;
1094 rxa = xd;
1095 rxs = xs;
1096 }
1097 if (ys < yd) {
1098 prim |= DE_PRIM_BT;
1099 rye = yd;
1100 rya = yd + he - 1;
1101 rys = ys + he - 1;
1102 } else {
1103 prim |= DE_PRIM_TB;
1104 rye = yd + he - 1;
1105 rya = yd;
1106 rys = ys;
1107 }
1108 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, prim);
1109 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC,
1110 (rxs << 16) | (rys & 0xffff));
1111 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0,
1112 (rxa << 16) | (rya & 0xffff));
1113 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1114 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1115 (rxe << 16) | (rye & 0xffff));
1116 }
1117
1118 static void
1119 crmfb_scroll(struct crmfb_softc *sc, int xs, int ys, int xd, int yd,
1120 int wi, int he)
1121 {
1122 int rxa, rya, rxe, rye, rxd, ryd, rxde, ryde;
1123
1124 rxa = xs;
1125 rxe = xs + wi - 1;
1126 rxd = xd;
1127 rxde = xd + wi - 1;
1128
1129 crmfb_wait_idle(sc);
1130
1131 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1132 MTE_MODE_DST_ECC |
1133 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1134 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1135 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1136 MTE_MODE_COPY);
1137
1138 if (ys < yd) {
1139 /* bottom to top */
1140 rye = ys;
1141 rya = ys + he - 1;
1142 ryd = yd + he - 1;
1143 ryde = yd;
1144 crmfb_set_mte_direction(sc, -1);
1145 } else {
1146 /* top to bottom */
1147 rye = ys + he - 1;
1148 rya = ys;
1149 ryd = yd;
1150 ryde = yd + he - 1;
1151 crmfb_set_mte_direction(sc, 1);
1152 }
1153 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0,
1154 (rxa << 16) | rya);
1155 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1,
1156 (rxe << 16) | rye);
1157 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1158 CRIME_MTE_DST0,
1159 (rxd << 16) | ryd);
1160 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 |
1161 CRIME_DE_START,
1162 (rxde << 16) | ryde);
1163 }
1164
1165 #ifdef CRMFB_DEBUG
1166 void
1167 crmfb_test_mte(struct crmfb_softc *sc)
1168 {
1169 uint64_t addr, reg;
1170 uint32_t addrs[256];
1171 int i, j, boo;
1172
1173 crmfb_wait_idle(sc);
1174 addr = (uint64_t)(DMAADDR(sc->sc_dma) + sc->sc_fbsize);
1175 addr = addr >> 12;
1176 for (i = 0; i < 64; i += 8) {
1177 #if 1
1178 reg = (addr << 32) | (addr + 1) | 0x8000000080000000LL;
1179 bus_space_write_8(sc->sc_iot, sc->sc_reh,
1180 CRIME_RE_LINEAR_A + i, reg);
1181 printf(" %08x", (uint32_t)(addr & 0xffffffff));
1182 #endif
1183 addr += 2;
1184 }
1185 printf("\n");
1186 memset(sc->sc_scratch, 4, 0x10000);
1187 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1188 DE_MODE_LIN_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1189 DE_MODE_PIXDEPTH_8);
1190 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STRD_SRC, 1);
1191 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1192 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP |
1193 DE_DRAWMODE_XFER_EN);
1194 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, 3);
1195 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE,
1196 DE_PRIM_RECTANGLE | DE_PRIM_TB);
1197 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC, 0);
1198 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0,
1199 0x02000000);
1200 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1201 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1202 0x04000100);
1203
1204 crmfb_wait_idle(sc);
1205 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1206 DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1207 DE_MODE_PIXDEPTH_8);
1208
1209 #if 1
1210 delay(4000000);
1211
1212 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, 0x15151515);
1213 crmfb_wait_idle(sc);
1214 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1215 MTE_MODE_DST_ECC |
1216 (MTE_TLB_LIN_A << MTE_DST_TLB_SHIFT) |
1217 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1218 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1219 0/*MTE_MODE_COPY*/);
1220 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_STRIDE, 1);
1221 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_STRIDE, 1);
1222 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0, 0x00000000);
1223 //bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1, 0x01000100);
1224 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0, 0x00000000);
1225 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 |
1226 CRIME_DE_START, 0x00010000);
1227 //status[9] = bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS);
1228 crmfb_wait_idle(sc);
1229 /* now look for 0x05050505 in RAM */
1230
1231 boo = 0;
1232 for (i = 0xA0000000; i < 0xB0000000; i += 0x1000)
1233 if (*((uint32_t *)i) == 0x15151515) {
1234 /* see if there's more */
1235 j = 4;
1236 while ((j < 0x100) && (*((uint32_t *)(i + j)) ==
1237 0x15151515))
1238 j += 4;
1239 if (j > 0x20) {
1240 addrs[boo] = i;
1241 boo++;
1242 }
1243 }
1244 printf("...");
1245 for (i = 0; i < boo; i++)
1246 printf(" %08x", addrs[i]);
1247 printf("\n");
1248 #endif
1249 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1250 DE_MODE_LIN_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1251 DE_MODE_PIXDEPTH_8);
1252 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STRD_SRC, 1);
1253 crmfb_bitblt(sc, 0, 0, 400, 0, 512, 64, 3);
1254 crmfb_wait_idle(sc);
1255 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1256 DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1257 DE_MODE_PIXDEPTH_8);
1258 #if 0
1259 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1260 MTE_MODE_DST_ECC |
1261 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1262 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1263 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1264 0/*MTE_MODE_COPY*/);
1265 #endif
1266 delay(4000000);
1267 #if 0
1268 for (i = 0; i < 128; i+=8)
1269 printf("%016llx\n", bus_space_read_8(sc->sc_iot, sc->sc_reh,
1270 CRIME_RE_LINEAR_B + i));
1271 #endif
1272 #if 0
1273 printf("flush: %08x\n",
1274 bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FLUSH));
1275 #endif
1276 }
1277 #endif /* CRMFB_DEBUG */
1278
1279 static void
1280 crmfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1281 {
1282 struct rasops_info *ri = cookie;
1283 struct vcons_screen *scr = ri->ri_hw;
1284 int32_t xs, xd, y, width, height;
1285
1286 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1287 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1288 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1289 width = ri->ri_font->fontwidth * ncols;
1290 height = ri->ri_font->fontheight;
1291 crmfb_bitblt(scr->scr_cookie, xs, y, xd, y, width, height, 3);
1292 }
1293
1294 static void
1295 crmfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1296 {
1297 struct rasops_info *ri = cookie;
1298 struct vcons_screen *scr = ri->ri_hw;
1299 int32_t x, y, width, height, bg;
1300
1301 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1302 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1303 width = ri->ri_font->fontwidth * ncols;
1304 height = ri->ri_font->fontheight;
1305 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1306 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg);
1307 }
1308
1309 static void
1310 crmfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1311 {
1312 struct rasops_info *ri = cookie;
1313 struct vcons_screen *scr = ri->ri_hw;
1314 int32_t x, ys, yd, width, height;
1315
1316 x = ri->ri_xorigin;
1317 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1318 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1319 width = ri->ri_emuwidth;
1320 height = ri->ri_font->fontheight * nrows;
1321
1322 crmfb_scroll(scr->scr_cookie, x, ys, x, yd, width, height);
1323 }
1324
1325 static void
1326 crmfb_eraserows(void *cookie, int row, int nrows, long fillattr)
1327 {
1328 struct rasops_info *ri = cookie;
1329 struct vcons_screen *scr = ri->ri_hw;
1330 int32_t x, y, width, height, bg;
1331
1332 if ((row == 0) && (nrows == ri->ri_rows)) {
1333 x = y = 0;
1334 width = ri->ri_width;
1335 height = ri->ri_height;
1336 } else {
1337 x = ri->ri_xorigin;
1338 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1339 width = ri->ri_emuwidth;
1340 height = ri->ri_font->fontheight * nrows;
1341 }
1342 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1343 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg);
1344 }
1345
1346 static void
1347 crmfb_cursor(void *cookie, int on, int row, int col)
1348 {
1349 struct rasops_info *ri = cookie;
1350 struct vcons_screen *scr = ri->ri_hw;
1351 struct crmfb_softc *sc = scr->scr_cookie;
1352 int x, y, wi,he;
1353
1354 wi = ri->ri_font->fontwidth;
1355 he = ri->ri_font->fontheight;
1356
1357 if (ri->ri_flg & RI_CURSOR) {
1358 x = ri->ri_ccol * wi + ri->ri_xorigin;
1359 y = ri->ri_crow * he + ri->ri_yorigin;
1360 crmfb_bitblt(sc, x, y, x, y, wi, he, 12);
1361 ri->ri_flg &= ~RI_CURSOR;
1362 }
1363
1364 ri->ri_crow = row;
1365 ri->ri_ccol = col;
1366
1367 if (on)
1368 {
1369 x = ri->ri_ccol * wi + ri->ri_xorigin;
1370 y = ri->ri_crow * he + ri->ri_yorigin;
1371 crmfb_bitblt(sc, x, y, x, y, wi, he, 12);
1372 ri->ri_flg |= RI_CURSOR;
1373 }
1374 }
1375
1376 static void
1377 crmfb_putchar(void *cookie, int row, int col, u_int c, long attr)
1378 {
1379 struct rasops_info *ri = cookie;
1380 struct vcons_screen *scr = ri->ri_hw;
1381 struct crmfb_softc *sc = scr->scr_cookie;
1382 struct rasops_info *fri = &sc->sc_rasops;
1383 int bg;
1384 int x, y, wi, he, xs;
1385
1386 wi = ri->ri_font->fontwidth;
1387 he = ri->ri_font->fontheight;
1388
1389 x = ri->ri_xorigin + col * wi;
1390 y = ri->ri_yorigin + row * he;
1391
1392 bg = ri->ri_devcmap[(attr >> 16) & 0xff];
1393 if (c == 0x20) {
1394 crmfb_fill_rect(sc, x, y, wi, he, bg);
1395 } else {
1396 /*
1397 * we rotate over all available character cells in the scratch
1398 * tile. The idea is to have more cells than there's room for
1399 * drawing commands in the engine's pipeline so we don't have
1400 * to wait for the engine until we're done drawing the
1401 * character and ready to blit it into place
1402 */
1403 fri->ri_ops.putchar(fri, 0, sc->sc_current_cell, c, attr);
1404 xs = sc->sc_current_cell * wi;
1405 sc->sc_current_cell++;
1406 if (sc->sc_current_cell >= sc->sc_cells)
1407 sc->sc_current_cell = 0;
1408 crmfb_bitblt(sc, xs, 2048-128, x, y, wi, he, 3);
1409 }
1410 }
1411