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Expand PMF_FN_* macros.
[netbsd-mini2440.git] / sys / arch / sgimips / dev / crmfb.c
blob668be8c08750931a5b3df27d552d4d47a198eb1d
1 /* $NetBSD: crmfb.c,v 1.25 2008/05/08 02:10:59 jmcneill Exp $ */
2
3 /*-
4 * Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
5 * 2008 Michael Lorenz <macallan@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 1.25 2008/05/08 02:10:59 jmcneill 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 struct rasops_info sc_rasops;
142 int sc_cells;
143 int sc_current_cell;
144 int sc_wsmode;
145
146 /* cursor stuff */
147 int sc_cur_x;
148 int sc_cur_y;
149 int sc_hot_x;
150 int sc_hot_y;
151
152 u_char sc_cmap_red[256];
153 u_char sc_cmap_green[256];
154 u_char sc_cmap_blue[256];
155 };
156
157 static int crmfb_putcmap(struct crmfb_softc *, struct wsdisplay_cmap *);
158 static int crmfb_getcmap(struct crmfb_softc *, struct wsdisplay_cmap *);
159 static void crmfb_set_palette(struct crmfb_softc *,
160 int, uint8_t, uint8_t, uint8_t);
161 static int crmfb_set_curpos(struct crmfb_softc *, int, int);
162 static int crmfb_gcursor(struct crmfb_softc *, struct wsdisplay_cursor *);
163 static int crmfb_scursor(struct crmfb_softc *, struct wsdisplay_cursor *);
164 static inline void crmfb_write_reg(struct crmfb_softc *, int, uint32_t);
165 static inline uint32_t crmfb_read_reg(struct crmfb_softc *, int);
166 static int crmfb_wait_dma_idle(struct crmfb_softc *);
167
168 /* setup video hw in given colour depth */
169 static int crmfb_setup_video(struct crmfb_softc *, int);
170 static void crmfb_setup_palette(struct crmfb_softc *);
171
172 #ifdef CRMFB_DEBUG
173 void crmfb_test_mte(struct crmfb_softc *);
174 #endif
175
176 static void crmfb_fill_rect(struct crmfb_softc *, int, int, int, int, uint32_t);
177 static void crmfb_bitblt(struct crmfb_softc *, int, int, int, int, int, int,
178 uint32_t);
179 static void crmfb_scroll(struct crmfb_softc *, int, int, int, int, int, int);
180
181 static void crmfb_copycols(void *, int, int, int, int);
182 static void crmfb_erasecols(void *, int, int, int, long);
183 static void crmfb_copyrows(void *, int, int, int);
184 static void crmfb_eraserows(void *, int, int, long);
185 static void crmfb_cursor(void *, int, int, int);
186 static void crmfb_putchar(void *, int, int, u_int, long);
187
188 CFATTACH_DECL(crmfb, sizeof(struct crmfb_softc),
189 crmfb_match, crmfb_attach, NULL, NULL);
190
191 static int
192 crmfb_match(struct device *parent, struct cfdata *cf, void *opaque)
193 {
194 return crmfb_probe();
195 }
196
197 static void
198 crmfb_attach(struct device *parent, struct device *self, void *opaque)
199 {
200 struct mainbus_attach_args *ma;
201 struct crmfb_softc *sc;
202 struct rasops_info *ri;
203 struct wsemuldisplaydev_attach_args aa;
204 uint32_t d, h;
205 uint16_t *p;
206 unsigned long v;
207 long defattr;
208 const char *consdev;
209 int rv, i;
210
211 sc = (struct crmfb_softc *)self;
212 ma = (struct mainbus_attach_args *)opaque;
213
214 sc->sc_iot = SGIMIPS_BUS_SPACE_CRIME;
215 sc->sc_dmat = &sgimips_default_bus_dma_tag;
216 sc->sc_wsmode = WSDISPLAYIO_MODE_EMUL;
217
218 aprint_normal(": SGI CRIME Graphics Display Engine\n");
219 rv = bus_space_map(sc->sc_iot, ma->ma_addr, 0 /* XXX */,
220 BUS_SPACE_MAP_LINEAR, &sc->sc_ioh);
221 if (rv)
222 panic("crmfb_attach: can't map I/O space");
223 rv = bus_space_map(sc->sc_iot, 0x15000000, 0x6000, 0, &sc->sc_reh);
224 if (rv)
225 panic("crmfb_attach: can't map rendering engine");
226
227 /* determine mode configured by firmware */
228 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_HCMAP);
229 sc->sc_width = (d >> CRMFB_VT_HCMAP_ON_SHIFT) & 0xfff;
230 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_VT_VCMAP);
231 sc->sc_height = (d >> CRMFB_VT_VCMAP_ON_SHIFT) & 0xfff;
232 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
233 h = (d >> CRMFB_FRM_TILESIZE_DEPTH_SHIFT) & 0x3;
234 if (h == 0)
235 sc->sc_depth = 8;
236 else if (h == 1)
237 sc->sc_depth = 16;
238 else
239 sc->sc_depth = 32;
240
241 if (sc->sc_width == 0 || sc->sc_height == 0) {
242 aprint_error("%s: device unusable if not setup by firmware\n",
243 sc->sc_dev.dv_xname);
244 bus_space_unmap(sc->sc_iot, sc->sc_ioh, 0 /* XXX */);
245 return;
246 }
247
248 aprint_normal("%s: initial resolution %dx%d\n",
249 sc->sc_dev.dv_xname, sc->sc_width, sc->sc_height);
250
251 /*
252 * first determine how many tiles we need
253 * in 32bit each tile is 128x128 pixels
254 */
255 sc->sc_tiles_x = (sc->sc_width + 127) >> 7;
256 sc->sc_tiles_y = (sc->sc_height + 127) >> 7;
257 sc->sc_fbsize = 0x10000 * sc->sc_tiles_x * sc->sc_tiles_y;
258
259 sc->sc_dmai.size = 256 * sizeof(uint16_t);
260 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dmai.size, 65536, 0,
261 sc->sc_dmai.segs,
262 sizeof(sc->sc_dmai.segs) / sizeof(sc->sc_dmai.segs[0]),
263 &sc->sc_dmai.nsegs, BUS_DMA_NOWAIT);
264 if (rv)
265 panic("crmfb_attach: can't allocate DMA memory");
266 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dmai.segs, sc->sc_dmai.nsegs,
267 sc->sc_dmai.size, &sc->sc_dmai.addr,
268 BUS_DMA_NOWAIT);
269 if (rv)
270 panic("crmfb_attach: can't map DMA memory");
271 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dmai.size, 1,
272 sc->sc_dmai.size, 0, BUS_DMA_NOWAIT, &sc->sc_dmai.map);
273 if (rv)
274 panic("crmfb_attach: can't create DMA map");
275 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dmai.map, sc->sc_dmai.addr,
276 sc->sc_dmai.size, NULL, BUS_DMA_NOWAIT);
277 if (rv)
278 panic("crmfb_attach: can't load DMA map");
279
280 /* allocate an extra 64Kb for a linear buffer */
281 sc->sc_dma.size = 0x10000 * (16 * sc->sc_tiles_x + 1);
282 rv = bus_dmamem_alloc(sc->sc_dmat, sc->sc_dma.size, 65536, 0,
283 sc->sc_dma.segs,
284 sizeof(sc->sc_dma.segs) / sizeof(sc->sc_dma.segs[0]),
285 &sc->sc_dma.nsegs, BUS_DMA_NOWAIT);
286 if (rv)
287 panic("crmfb_attach: can't allocate DMA memory");
288 rv = bus_dmamem_map(sc->sc_dmat, sc->sc_dma.segs, sc->sc_dma.nsegs,
289 sc->sc_dma.size, &sc->sc_dma.addr,
290 BUS_DMA_NOWAIT | BUS_DMA_COHERENT);
291 if (rv)
292 panic("crmfb_attach: can't map DMA memory");
293 rv = bus_dmamap_create(sc->sc_dmat, sc->sc_dma.size, 1,
294 sc->sc_dma.size, 0, BUS_DMA_NOWAIT, &sc->sc_dma.map);
295 if (rv)
296 panic("crmfb_attach: can't create DMA map");
297 rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dma.map, sc->sc_dma.addr,
298 sc->sc_dma.size, NULL, BUS_DMA_NOWAIT);
299 if (rv)
300 panic("crmfb_attach: can't load DMA map");
301
302 p = KERNADDR(sc->sc_dmai);
303 v = (unsigned long)DMAADDR(sc->sc_dma);
304 for (i = 0; i < (sc->sc_tiles_x * sc->sc_tiles_y); i++) {
305 p[i] = ((uint32_t)v >> 16) + i;
306 }
307 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmai.map, 0, sc->sc_dmai.size,
308 BUS_DMASYNC_PREWRITE);
309 sc->sc_scratch = (char *)KERNADDR(sc->sc_dma) + (0xf0000 * sc->sc_tiles_x);
310 sc->sc_linear = (paddr_t)DMAADDR(sc->sc_dma) + 0x100000 * sc->sc_tiles_x;
311
312 aprint_normal("%s: allocated %d byte fb @ %p (%p)\n",
313 sc->sc_dev.dv_xname,
314 sc->sc_fbsize, KERNADDR(sc->sc_dmai), KERNADDR(sc->sc_dma));
315
316 sc->sc_current_cell = 0;
317
318 crmfb_setup_video(sc, 8);
319 ri = &crmfb_console_screen.scr_ri;
320 memset(ri, 0, sizeof(struct rasops_info));
321
322 vcons_init(&sc->sc_vd, sc, &crmfb_defaultscreen, &crmfb_accessops);
323 sc->sc_vd.init_screen = crmfb_init_screen;
324 crmfb_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
325 vcons_init_screen(&sc->sc_vd, &crmfb_console_screen, 1, &defattr);
326
327 crmfb_defaultscreen.ncols = ri->ri_cols;
328 crmfb_defaultscreen.nrows = ri->ri_rows;
329 crmfb_defaultscreen.textops = &ri->ri_ops;
330 crmfb_defaultscreen.capabilities = ri->ri_caps;
331 crmfb_defaultscreen.modecookie = NULL;
332
333 crmfb_setup_palette(sc);
334 crmfb_fill_rect(sc, 0, 0, sc->sc_width, sc->sc_height,
335 ri->ri_devcmap[(defattr >> 16) & 0xff]);
336
337 consdev = ARCBIOS->GetEnvironmentVariable("ConsoleOut");
338 if (consdev != NULL && strcmp(consdev, "video()") == 0) {
339 wsdisplay_cnattach(&crmfb_defaultscreen, ri, 0, 0, defattr);
340 aa.console = 1;
341 } else
342 aa.console = 0;
343 aa.scrdata = &crmfb_screenlist;
344 aa.accessops = &crmfb_accessops;
345 aa.accesscookie = &sc->sc_vd;
346
347 config_found(self, &aa, wsemuldisplaydevprint);
348
349 sc->sc_cur_x = 0;
350 sc->sc_cur_y = 0;
351 sc->sc_hot_x = 0;
352 sc->sc_hot_y = 0;
353
354 #ifdef CRMFB_DEBUG
355 crmfb_test_mte(sc);
356 #endif
357 return;
358 }
359
360 int
361 crmfb_probe(void)
362 {
363
364 if (mach_type != MACH_SGI_IP32)
365 return 0;
366
367 return 1;
368 }
369
370 static int
371 crmfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
372 {
373 struct vcons_data *vd;
374 struct crmfb_softc *sc;
375 struct vcons_screen *ms;
376 struct wsdisplay_fbinfo *wdf;
377 int nmode;
378
379 vd = (struct vcons_data *)v;
380 sc = (struct crmfb_softc *)vd->cookie;
381 ms = (struct vcons_screen *)vd->active;
382
383 switch (cmd) {
384 case WSDISPLAYIO_GTYPE:
385 /* not really, but who cares? */
386 /* wsfb does */
387 *(u_int *)data = WSDISPLAY_TYPE_CRIME;
388 return 0;
389 case WSDISPLAYIO_GINFO:
390 if (vd->active != NULL) {
391 wdf = (void *)data;
392 wdf->height = sc->sc_height;
393 wdf->width = sc->sc_width;
394 wdf->depth = 32;
395 wdf->cmsize = 256;
396 return 0;
397 } else
398 return ENODEV;
399 case WSDISPLAYIO_GETCMAP:
400 if (sc->sc_depth == 8)
401 return crmfb_getcmap(sc, (struct wsdisplay_cmap *)data);
402 else
403 return EINVAL;
404 case WSDISPLAYIO_PUTCMAP:
405 if (sc->sc_depth == 8)
406 return crmfb_putcmap(sc, (struct wsdisplay_cmap *)data);
407 else
408 return EINVAL;
409 case WSDISPLAYIO_LINEBYTES:
410 *(u_int *)data = sc->sc_width * sc->sc_depth / 8;
411 return 0;
412 case WSDISPLAYIO_SMODE:
413 nmode = *(int *)data;
414 if (nmode != sc->sc_wsmode) {
415 sc->sc_wsmode = nmode;
416 if (nmode == WSDISPLAYIO_MODE_EMUL) {
417 crmfb_setup_video(sc, 8);
418 crmfb_setup_palette(sc);
419 vcons_redraw_screen(vd->active);
420 } else {
421 crmfb_setup_video(sc, 32);
422 }
423 }
424 return 0;
425 case WSDISPLAYIO_SVIDEO:
426 case WSDISPLAYIO_GVIDEO:
427 return ENODEV; /* not supported yet */
428
429 case WSDISPLAYIO_GCURPOS:
430 {
431 struct wsdisplay_curpos *pos;
432
433 pos = (struct wsdisplay_curpos *)data;
434 pos->x = sc->sc_cur_x;
435 pos->y = sc->sc_cur_y;
436 }
437 return 0;
438 case WSDISPLAYIO_SCURPOS:
439 {
440 struct wsdisplay_curpos *pos;
441
442 pos = (struct wsdisplay_curpos *)data;
443 crmfb_set_curpos(sc, pos->x, pos->y);
444 }
445 return 0;
446 case WSDISPLAYIO_GCURMAX:
447 {
448 struct wsdisplay_curpos *pos;
449
450 pos = (struct wsdisplay_curpos *)data;
451 pos->x = 32;
452 pos->y = 32;
453 }
454 return 0;
455 case WSDISPLAYIO_GCURSOR:
456 {
457 struct wsdisplay_cursor *cu;
458
459 cu = (struct wsdisplay_cursor *)data;
460 return crmfb_gcursor(sc, cu);
461 }
462 case WSDISPLAYIO_SCURSOR:
463 {
464 struct wsdisplay_cursor *cu;
465
466 cu = (struct wsdisplay_cursor *)data;
467 return crmfb_scursor(sc, cu);
468 }
469 }
470 return EPASSTHROUGH;
471 }
472
473 static paddr_t
474 crmfb_mmap(void *v, void *vs, off_t offset, int prot)
475 {
476 struct vcons_data *vd;
477 struct crmfb_softc *sc;
478 paddr_t pa;
479
480 vd = (struct vcons_data *)v;
481 sc = (struct crmfb_softc *)vd->cookie;
482
483 /* we probably shouldn't let anyone mmap the framebuffer */
484 #if 1
485 if (offset >= 0 && offset < (0x100000 * sc->sc_tiles_x)) {
486 pa = bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs,
487 sc->sc_dma.nsegs, offset, prot,
488 BUS_DMA_WAITOK | BUS_DMA_COHERENT);
489 return pa;
490 }
491 #endif
492 /*
493 * here would the TLBs be but we don't want to show them to userland
494 * so we return the page containing the status register
495 */
496 if ((offset >= 0x15000000) && (offset < 0x15002000))
497 return bus_space_mmap(sc->sc_iot, 0x15004000, 0, prot, 0);
498 /* now the actual engine registers */
499 if ((offset >= 0x15002000) && (offset < 0x15005000))
500 return bus_space_mmap(sc->sc_iot, offset, 0, prot, 0);
501 /* and now the scratch area */
502 if ((offset >= 0x15010000) && (offset < 0x15020000))
503 return bus_dmamem_mmap(sc->sc_dmat, sc->sc_dma.segs,
504 sc->sc_dma.nsegs,
505 offset + (0x100000 * sc->sc_tiles_x) - 0x15010000,
506 prot, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
507 return -1;
508 }
509
510 static void
511 crmfb_init_screen(void *c, struct vcons_screen *scr, int existing,
512 long *defattr)
513 {
514 struct crmfb_softc *sc;
515 struct rasops_info *ri;
516
517 sc = (struct crmfb_softc *)c;
518 ri = &scr->scr_ri;
519
520 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
521 ri->ri_depth = sc->sc_depth;
522 ri->ri_width = sc->sc_width;
523 ri->ri_height = sc->sc_height;
524 ri->ri_stride = ri->ri_width * (ri->ri_depth / 8);
525
526 switch (ri->ri_depth) {
527 case 16:
528 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 5;
529 ri->ri_rpos = 10;
530 ri->ri_gpos = 5;
531 ri->ri_bpos = 0;
532 break;
533 case 32:
534 ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 8;
535 ri->ri_rpos = 8;
536 ri->ri_gpos = 16;
537 ri->ri_bpos = 24;
538 break;
539 }
540
541 ri->ri_bits = KERNADDR(sc->sc_dma);
542
543 if (existing)
544 ri->ri_flg |= RI_CLEAR;
545
546 rasops_init(ri, ri->ri_height / 16, ri->ri_width / 8);
547 ri->ri_caps = WSSCREEN_WSCOLORS;
548 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight,
549 ri->ri_width / ri->ri_font->fontwidth);
550 ri->ri_hw = scr;
551
552 /* now make a fake rasops_info for drawing into the scratch tile */
553 memcpy(&sc->sc_rasops, ri, sizeof(struct rasops_info));
554 sc->sc_rasops.ri_width = 512; /* assume we're always in 8bit here */
555 sc->sc_rasops.ri_stride = 512;
556 sc->sc_rasops.ri_height = 128;
557 sc->sc_rasops.ri_xorigin = 0;
558 sc->sc_rasops.ri_yorigin = 0;
559 sc->sc_rasops.ri_bits = sc->sc_scratch;
560 sc->sc_cells = 512 / ri->ri_font->fontwidth;
561
562 ri->ri_ops.cursor = crmfb_cursor;
563 ri->ri_ops.copyrows = crmfb_copyrows;
564 ri->ri_ops.eraserows = crmfb_eraserows;
565 ri->ri_ops.copycols = crmfb_copycols;
566 ri->ri_ops.erasecols = crmfb_erasecols;
567 ri->ri_ops.putchar = crmfb_putchar;
568
569 return;
570 }
571
572 static int
573 crmfb_putcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm)
574 {
575 u_int idx, cnt;
576 u_char r[256], g[256], b[256];
577 u_char *rp, *gp, *bp;
578 int rv, i;
579
580 idx = cm->index;
581 cnt = cm->count;
582
583 if (idx >= 255 || cnt > 256 || idx + cnt > 256)
584 return EINVAL;
585
586 rv = copyin(cm->red, &r[idx], cnt);
587 if (rv)
588 return rv;
589 rv = copyin(cm->green, &g[idx], cnt);
590 if (rv)
591 return rv;
592 rv = copyin(cm->blue, &b[idx], cnt);
593 if (rv)
594 return rv;
595
596 memcpy(&sc->sc_cmap_red[idx], &r[idx], cnt);
597 memcpy(&sc->sc_cmap_green[idx], &g[idx], cnt);
598 memcpy(&sc->sc_cmap_blue[idx], &b[idx], cnt);
599
600 rp = &sc->sc_cmap_red[idx];
601 gp = &sc->sc_cmap_green[idx];
602 bp = &sc->sc_cmap_blue[idx];
603
604 for (i = 0; i < cnt; i++) {
605 crmfb_set_palette(sc, idx, *rp, *gp, *bp);
606 idx++;
607 rp++, gp++, bp++;
608 }
609
610 return 0;
611 }
612
613 static int
614 crmfb_getcmap(struct crmfb_softc *sc, struct wsdisplay_cmap *cm)
615 {
616 u_int idx, cnt;
617 int rv;
618
619 idx = cm->index;
620 cnt = cm->count;
621
622 if (idx >= 255 || cnt > 256 || idx + cnt > 256)
623 return EINVAL;
624
625 rv = copyout(&sc->sc_cmap_red[idx], cm->red, cnt);
626 if (rv)
627 return rv;
628 rv = copyout(&sc->sc_cmap_green[idx], cm->green, cnt);
629 if (rv)
630 return rv;
631 rv = copyout(&sc->sc_cmap_blue[idx], cm->blue, cnt);
632 if (rv)
633 return rv;
634
635 return 0;
636 }
637
638 static void
639 crmfb_set_palette(struct crmfb_softc *sc, int reg, uint8_t r, uint8_t g,
640 uint8_t b)
641 {
642 uint32_t val;
643
644 if (reg > 255 || sc->sc_depth != 8)
645 return;
646
647 while (bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_CMAP_FIFO) >= 63)
648 DELAY(10);
649
650 val = (r << 8) | (g << 16) | (b << 24);
651 crmfb_write_reg(sc, CRMFB_CMAP + (reg * 4), val);
652
653 return;
654 }
655
656 static int
657 crmfb_set_curpos(struct crmfb_softc *sc, int x, int y)
658 {
659 uint32_t val;
660
661 sc->sc_cur_x = x;
662 sc->sc_cur_y = y;
663
664 val = ((x - sc->sc_hot_x) & 0xffff) | ((y - sc->sc_hot_y) << 16);
665 crmfb_write_reg(sc, CRMFB_CURSOR_POS, val);
666
667 return 0;
668 }
669
670 static int
671 crmfb_gcursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur)
672 {
673 /* do nothing for now */
674 return 0;
675 }
676
677 static int
678 crmfb_scursor(struct crmfb_softc *sc, struct wsdisplay_cursor *cur)
679 {
680 if (cur->which & WSDISPLAY_CURSOR_DOCUR) {
681
682 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, cur->enable ? 1 : 0);
683 }
684 if (cur->which & WSDISPLAY_CURSOR_DOHOT) {
685
686 sc->sc_hot_x = cur->hot.x;
687 sc->sc_hot_y = cur->hot.y;
688 }
689 if (cur->which & WSDISPLAY_CURSOR_DOPOS) {
690
691 crmfb_set_curpos(sc, cur->pos.x, cur->pos.y);
692 }
693 if (cur->which & WSDISPLAY_CURSOR_DOCMAP) {
694 int i;
695 uint32_t val;
696
697 for (i = 0; i < cur->cmap.count; i++) {
698 val = (cur->cmap.red[i] << 24) |
699 (cur->cmap.green[i] << 16) |
700 (cur->cmap.blue[i] << 8);
701 crmfb_write_reg(sc, CRMFB_CURSOR_CMAP0 +
702 ((i + cur->cmap.index) << 2), val);
703 }
704 }
705 if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) {
706
707 int i, j, cnt = 0;
708 uint32_t latch = 0, omask;
709 uint8_t imask;
710 for (i = 0; i < 64; i++) {
711 omask = 0x80000000;
712 imask = 0x01;
713 cur->image[cnt] &= cur->mask[cnt];
714 for (j = 0; j < 8; j++) {
715 if (cur->image[cnt] & imask)
716 latch |= omask;
717 omask >>= 1;
718 if (cur->mask[cnt] & imask)
719 latch |= omask;
720 omask >>= 1;
721 imask <<= 1;
722 }
723 cnt++;
724 imask = 0x01;
725 cur->image[cnt] &= cur->mask[cnt];
726 for (j = 0; j < 8; j++) {
727 if (cur->image[cnt] & imask)
728 latch |= omask;
729 omask >>= 1;
730 if (cur->mask[cnt] & imask)
731 latch |= omask;
732 omask >>= 1;
733 imask <<= 1;
734 }
735 cnt++;
736 crmfb_write_reg(sc, CRMFB_CURSOR_BITMAP + (i << 2),
737 latch);
738 latch = 0;
739 }
740 }
741 return 0;
742 }
743
744 static inline void
745 crmfb_write_reg(struct crmfb_softc *sc, int offset, uint32_t val)
746 {
747
748 bus_space_write_4(sc->sc_iot, sc->sc_ioh, offset, val);
749 wbflush();
750 }
751
752 static inline uint32_t
753 crmfb_read_reg(struct crmfb_softc *sc, int offset)
754 {
755
756 return bus_space_read_4(sc->sc_iot, sc->sc_ioh, offset);
757 }
758
759 static int
760 crmfb_wait_dma_idle(struct crmfb_softc *sc)
761 {
762 int bail = 100000, idle;
763
764 do {
765 idle = ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
766 CRMFB_OVR_CONTROL) & 1) == 0) &&
767 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
768 CRMFB_FRM_CONTROL) & 1) == 0) &&
769 ((bus_space_read_4(sc->sc_iot, sc->sc_ioh,
770 CRMFB_DID_CONTROL) & 1) == 0);
771 if (!idle)
772 delay(10);
773 bail--;
774 } while ((!idle) && (bail > 0));
775 return idle;
776 }
777
778 static int
779 crmfb_setup_video(struct crmfb_softc *sc, int depth)
780 {
781 uint64_t reg;
782 uint32_t d, h, mode, page;
783 int i, bail, tile_width, tlbptr, lptr, j, tx, shift;
784 const char *wantsync;
785 uint16_t v;
786
787 /* disable DMA */
788 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_OVR_CONTROL);
789 d &= ~(1 << CRMFB_OVR_CONTROL_DMAEN_SHIFT);
790 crmfb_write_reg(sc, CRMFB_OVR_CONTROL, d);
791 DELAY(50000);
792 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL);
793 d &= ~(1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT);
794 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
795 DELAY(50000);
796 crmfb_write_reg(sc, CRMFB_DID_CONTROL, 0);
797 DELAY(50000);
798
799 if (!crmfb_wait_dma_idle(sc))
800 aprint_error("crmfb: crmfb_wait_dma_idle timed out\n");
801
802 /* ensure that CRM starts drawing at the top left of the screen
803 * when we re-enable DMA later
804 */
805 d = (1 << CRMFB_VT_XY_FREEZE_SHIFT);
806 crmfb_write_reg(sc, CRMFB_VT_XY, d);
807 delay(1000);
808 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK);
809 d &= ~(1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT);
810 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d);
811
812 /* wait for dotclock to turn off */
813 bail = 10000;
814 while ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK) &
815 (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT)) && (bail > 0)) {
816 delay(10);
817 bail--;
818 }
819
820 /* reset FIFO */
821 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_TILESIZE);
822 d |= (1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT);
823 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
824 d &= ~(1 << CRMFB_FRM_TILESIZE_FIFOR_SHIFT);
825 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
826
827 /* setup colour mode */
828 switch (depth) {
829 case 8:
830 h = CRMFB_MODE_TYP_I8;
831 tile_width = 512;
832 break;
833 case 16:
834 h = CRMFB_MODE_TYP_ARGB5;
835 tile_width = 256;
836 break;
837 case 32:
838 h = CRMFB_MODE_TYP_RGB8;
839 tile_width = 128;
840 break;
841 default:
842 panic("Unsupported depth");
843 }
844 d = h << CRMFB_MODE_TYP_SHIFT;
845 d |= CRMFB_MODE_BUF_BOTH << CRMFB_MODE_BUF_SHIFT;
846 for (i = 0; i < (32 * 4); i += 4)
847 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CRMFB_MODE + i, d);
848 wbflush();
849
850 /* setup tile pointer, but don't turn on DMA yet! */
851 h = DMAADDR(sc->sc_dmai);
852 d = (h >> 9) << CRMFB_FRM_CONTROL_TILEPTR_SHIFT;
853 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
854
855 /* init framebuffer width and pixel size */
856 /*d = (1 << CRMFB_FRM_TILESIZE_WIDTH_SHIFT);*/
857
858 d = ((int)(sc->sc_width / tile_width)) <<
859 CRMFB_FRM_TILESIZE_WIDTH_SHIFT;
860 if ((sc->sc_width & (tile_width - 1)) != 0)
861 d |= sc->sc_tiles_y;
862
863 switch (depth) {
864 case 8:
865 h = CRMFB_FRM_TILESIZE_DEPTH_8;
866 break;
867 case 16:
868 h = CRMFB_FRM_TILESIZE_DEPTH_16;
869 break;
870 case 32:
871 h = CRMFB_FRM_TILESIZE_DEPTH_32;
872 break;
873 default:
874 panic("Unsupported depth");
875 }
876 d |= (h << CRMFB_FRM_TILESIZE_DEPTH_SHIFT);
877 crmfb_write_reg(sc, CRMFB_FRM_TILESIZE, d);
878
879 /*h = sc->sc_width * sc->sc_height / (512 / (depth >> 3));*/
880 h = sc->sc_height;
881 d = h << CRMFB_FRM_PIXSIZE_HEIGHT_SHIFT;
882 crmfb_write_reg(sc, CRMFB_FRM_PIXSIZE, d);
883
884 /* turn off firmware overlay and hardware cursor */
885 crmfb_write_reg(sc, CRMFB_OVR_WIDTH_TILE, 0);
886 crmfb_write_reg(sc, CRMFB_CURSOR_CONTROL, 0);
887
888 /* enable drawing again */
889 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_DOTCLOCK);
890 d |= (1 << CRMFB_DOTCLOCK_CLKRUN_SHIFT);
891 crmfb_write_reg(sc, CRMFB_DOTCLOCK, d);
892 crmfb_write_reg(sc, CRMFB_VT_XY, 0);
893
894 /* turn on DMA for the framebuffer */
895 d = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CRMFB_FRM_CONTROL);
896 d |= (1 << CRMFB_FRM_CONTROL_DMAEN_SHIFT);
897 crmfb_write_reg(sc, CRMFB_FRM_CONTROL, d);
898
899 /* turn off sync-on-green */
900
901 wantsync = ARCBIOS->GetEnvironmentVariable("SyncOnGreen");
902 if ( (wantsync != NULL) && (wantsync[0] == 'n') ) {
903 d = ( 1 << CRMFB_VT_FLAGS_SYNC_LOW_LSB) &
904 CRMFB_REG_MASK(CRMFB_VT_FLAGS_SYNC_LOW_MSB,
905 CRMFB_VT_FLAGS_SYNC_LOW_LSB);
906 crmfb_write_reg(sc, CRMFB_VT_FLAGS, d);
907 }
908
909 sc->sc_depth = depth;
910
911 /* finally set up the drawing engine's TLB A */
912 v = (DMAADDR(sc->sc_dma) >> 16) & 0xffff;
913 tlbptr = 0;
914 tx = ((sc->sc_width + (tile_width - 1)) & ~(tile_width - 1)) /
915 tile_width;
916
917 #ifdef CRMFB_DEBUG
918 printf("tx: %d\n", tx);
919 #endif
920
921 for (i = 0; i < 16; i++) {
922 reg = 0;
923 shift = 64;
924 lptr = 0;
925 for (j = 0; j < tx; j++) {
926 shift -= 16;
927 reg |= (((uint64_t)(v | 0x8000)) << shift);
928 if (shift == 0) {
929 shift = 64;
930 bus_space_write_8(sc->sc_iot, sc->sc_reh,
931 CRIME_RE_TLB_A + tlbptr + lptr,
932 reg);
933 #ifdef CRMFB_DEBUG
934 printf("%04x: %016llx\n", tlbptr + lptr, reg);
935 #endif
936 reg = 0;
937 lptr += 8;
938 }
939 v++;
940 }
941 if (shift != 64) {
942 bus_space_write_8(sc->sc_iot, sc->sc_reh,
943 CRIME_RE_TLB_A + tlbptr + lptr, reg);
944 #ifdef CRMFB_DEBUG
945 printf("%04x: %016llx\n", tlbptr + lptr, reg);
946 #endif
947 }
948 tlbptr += 32;
949 }
950 sc->sc_scratch = (char *)KERNADDR(sc->sc_dma) + (0xf0000 * tx);
951
952 /* now put the last 64kB into the 1st linear TLB */
953 page = (sc->sc_linear >> 12) | 0x80000000;
954 tlbptr = 0;
955 for (i = 0; i < 8; i++) {
956 reg = ((uint64_t)page << 32) | (page + 1);
957 bus_space_write_8(sc->sc_iot, sc->sc_reh,
958 CRIME_RE_LINEAR_A + tlbptr, reg);
959 page += 2;
960 tlbptr += 8;
961 }
962 wbflush();
963
964 /* do some very basic engine setup */
965 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_CLIPMODE, 0);
966 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_SRC, 0);
967 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_WINOFFSET_DST, 0);
968 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PLANEMASK,
969 0xffffffff);
970
971 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x20, 0);
972 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x28, 0);
973 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x30, 0);
974 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x38, 0);
975 bus_space_write_8(sc->sc_iot, sc->sc_reh, 0x40, 0);
976
977 switch (depth) {
978 case 8:
979 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 |
980 DE_MODE_TYPE_CI | DE_MODE_PIXDEPTH_8;
981 break;
982 case 16:
983 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_16 |
984 DE_MODE_TYPE_RGB | DE_MODE_PIXDEPTH_16;
985 break;
986 case 32:
987 mode = DE_MODE_TLB_A | DE_MODE_BUFDEPTH_32 |
988 DE_MODE_TYPE_RGBA | DE_MODE_PIXDEPTH_32;
989 break;
990 default:
991 panic("%s: unsuported colour depth %d\n", __func__,
992 depth);
993 }
994 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_DST, mode);
995 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC, mode);
996 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_X, 1);
997 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STEP_Y, 1);
998
999 /* initialize memory transfer engine */
1000 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1001 MTE_MODE_DST_ECC |
1002 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1003 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1004 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1005 MTE_MODE_COPY);
1006 sc->sc_mte_direction = 1;
1007 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_Y_STEP, 1);
1008 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_Y_STEP, 1);
1009
1010 return 0;
1011 }
1012
1013 static void
1014 crmfb_set_mte_direction(struct crmfb_softc *sc, int dir)
1015 {
1016 if (dir == sc->sc_mte_direction)
1017 return;
1018
1019 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_Y_STEP, dir);
1020 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_Y_STEP, dir);
1021 sc->sc_mte_direction = dir;
1022 }
1023
1024 static void
1025 crmfb_setup_palette(struct crmfb_softc *sc)
1026 {
1027 int i;
1028
1029 for (i = 0; i < 256; i++) {
1030 crmfb_set_palette(sc, i, rasops_cmap[(i * 3) + 2],
1031 rasops_cmap[(i * 3) + 1], rasops_cmap[(i * 3) + 0]);
1032 sc->sc_cmap_red[i] = rasops_cmap[(i * 3) + 2];
1033 sc->sc_cmap_green[i] = rasops_cmap[(i * 3) + 1];
1034 sc->sc_cmap_blue[i] = rasops_cmap[(i * 3) + 0];
1035 }
1036 }
1037
1038 static inline void
1039 crmfb_wait_idle(struct crmfb_softc *sc)
1040 {
1041 int i = 0;
1042
1043 do {
1044 i++;
1045 } while (((bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS) &
1046 CRIME_DE_IDLE) == 0) && (i < 100000000));
1047 if (i >= 100000000)
1048 aprint_error("crmfb_wait_idle() timed out\n");
1049 }
1050
1051 static void
1052 crmfb_fill_rect(struct crmfb_softc *sc, int x, int y, int width, int height,
1053 uint32_t colour)
1054 {
1055 crmfb_wait_idle(sc);
1056 crmfb_set_mte_direction(sc, 1);
1057 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1058 MTE_MODE_DST_ECC |
1059 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1060 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1061 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1062 0);
1063 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, colour);
1064 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0,
1065 (x << 16) | (y & 0xffff));
1066 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1067 CRIME_MTE_DST1 | CRIME_DE_START,
1068 ((x + width - 1) << 16) | ((y + height - 1) & 0xffff));
1069 }
1070
1071 static void
1072 crmfb_bitblt(struct crmfb_softc *sc, int xs, int ys, int xd, int yd,
1073 int wi, int he, uint32_t rop)
1074 {
1075 uint32_t prim = DE_PRIM_RECTANGLE;
1076 int rxa, rya, rxe, rye, rxs, rys;
1077 crmfb_wait_idle(sc);
1078 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1079 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP |
1080 DE_DRAWMODE_XFER_EN);
1081 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, rop);
1082 if (xs < xd) {
1083 prim |= DE_PRIM_RL;
1084 rxe = xd;
1085 rxa = xd + wi - 1;
1086 rxs = xs + wi - 1;
1087 } else {
1088 prim |= DE_PRIM_LR;
1089 rxe = xd + wi - 1;
1090 rxa = xd;
1091 rxs = xs;
1092 }
1093 if (ys < yd) {
1094 prim |= DE_PRIM_BT;
1095 rye = yd;
1096 rya = yd + he - 1;
1097 rys = ys + he - 1;
1098 } else {
1099 prim |= DE_PRIM_TB;
1100 rye = yd + he - 1;
1101 rya = yd;
1102 rys = ys;
1103 }
1104 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE, prim);
1105 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC,
1106 (rxs << 16) | (rys & 0xffff));
1107 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0,
1108 (rxa << 16) | (rya & 0xffff));
1109 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1110 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1111 (rxe << 16) | (rye & 0xffff));
1112 }
1113
1114 static void
1115 crmfb_scroll(struct crmfb_softc *sc, int xs, int ys, int xd, int yd,
1116 int wi, int he)
1117 {
1118 int rxa, rya, rxe, rye, rxd, ryd, rxde, ryde;
1119
1120 rxa = xs;
1121 rxe = xs + wi - 1;
1122 rxd = xd;
1123 rxde = xd + wi - 1;
1124
1125 crmfb_wait_idle(sc);
1126
1127 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1128 MTE_MODE_DST_ECC |
1129 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1130 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1131 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1132 MTE_MODE_COPY);
1133
1134 if (ys < yd) {
1135 /* bottom to top */
1136 rye = ys;
1137 rya = ys + he - 1;
1138 ryd = yd + he - 1;
1139 ryde = yd;
1140 crmfb_set_mte_direction(sc, -1);
1141 } else {
1142 /* top to bottom */
1143 rye = ys + he - 1;
1144 rya = ys;
1145 ryd = yd;
1146 ryde = yd + he - 1;
1147 crmfb_set_mte_direction(sc, 1);
1148 }
1149 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0,
1150 (rxa << 16) | rya);
1151 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1,
1152 (rxe << 16) | rye);
1153 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1154 CRIME_MTE_DST0,
1155 (rxd << 16) | ryd);
1156 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 |
1157 CRIME_DE_START,
1158 (rxde << 16) | ryde);
1159 }
1160
1161 #ifdef CRMFB_DEBUG
1162 void
1163 crmfb_test_mte(struct crmfb_softc *sc)
1164 {
1165 uint64_t addr, reg;
1166 uint32_t addrs[256];
1167 int i, j, boo;
1168
1169 crmfb_wait_idle(sc);
1170 addr = (uint64_t)(DMAADDR(sc->sc_dma) + sc->sc_fbsize);
1171 addr = addr >> 12;
1172 for (i = 0; i < 64; i += 8) {
1173 #if 1
1174 reg = (addr << 32) | (addr + 1) | 0x8000000080000000LL;
1175 bus_space_write_8(sc->sc_iot, sc->sc_reh,
1176 CRIME_RE_LINEAR_A + i, reg);
1177 printf(" %08x", (uint32_t)(addr & 0xffffffff));
1178 #endif
1179 addr += 2;
1180 }
1181 printf("\n");
1182 memset(sc->sc_scratch, 4, 0x10000);
1183 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1184 DE_MODE_LIN_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1185 DE_MODE_PIXDEPTH_8);
1186 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STRD_SRC, 1);
1187 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_DRAWMODE,
1188 DE_DRAWMODE_PLANEMASK | DE_DRAWMODE_BYTEMASK | DE_DRAWMODE_ROP |
1189 DE_DRAWMODE_XFER_EN);
1190 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_ROP, 3);
1191 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_PRIMITIVE,
1192 DE_PRIM_RECTANGLE | DE_PRIM_TB);
1193 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_ADDR_SRC, 0);
1194 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_X_VERTEX_0,
1195 0x02000000);
1196 bus_space_write_4(sc->sc_iot, sc->sc_reh,
1197 CRIME_DE_X_VERTEX_1 | CRIME_DE_START,
1198 0x04000100);
1199
1200 crmfb_wait_idle(sc);
1201 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1202 DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1203 DE_MODE_PIXDEPTH_8);
1204
1205 #if 1
1206 delay(4000000);
1207
1208 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_BG, 0x15151515);
1209 crmfb_wait_idle(sc);
1210 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1211 MTE_MODE_DST_ECC |
1212 (MTE_TLB_LIN_A << MTE_DST_TLB_SHIFT) |
1213 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1214 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1215 0/*MTE_MODE_COPY*/);
1216 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST_STRIDE, 1);
1217 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC_STRIDE, 1);
1218 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC0, 0x00000000);
1219 //bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_SRC1, 0x01000100);
1220 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST0, 0x00000000);
1221 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_DST1 |
1222 CRIME_DE_START, 0x00010000);
1223 //status[9] = bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_STATUS);
1224 crmfb_wait_idle(sc);
1225 /* now look for 0x05050505 in RAM */
1226
1227 boo = 0;
1228 for (i = 0xA0000000; i < 0xB0000000; i += 0x1000)
1229 if (*((uint32_t *)i) == 0x15151515) {
1230 /* see if there's more */
1231 j = 4;
1232 while ((j < 0x100) && (*((uint32_t *)(i + j)) ==
1233 0x15151515))
1234 j += 4;
1235 if (j > 0x20) {
1236 addrs[boo] = i;
1237 boo++;
1238 }
1239 }
1240 printf("...");
1241 for (i = 0; i < boo; i++)
1242 printf(" %08x", addrs[i]);
1243 printf("\n");
1244 #endif
1245 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1246 DE_MODE_LIN_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1247 DE_MODE_PIXDEPTH_8);
1248 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_XFER_STRD_SRC, 1);
1249 crmfb_bitblt(sc, 0, 0, 400, 0, 512, 64, 3);
1250 crmfb_wait_idle(sc);
1251 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_DE_MODE_SRC,
1252 DE_MODE_TLB_A | DE_MODE_BUFDEPTH_8 | DE_MODE_TYPE_CI |
1253 DE_MODE_PIXDEPTH_8);
1254 #if 0
1255 bus_space_write_4(sc->sc_iot, sc->sc_reh, CRIME_MTE_MODE,
1256 MTE_MODE_DST_ECC |
1257 (MTE_TLB_A << MTE_DST_TLB_SHIFT) |
1258 (MTE_TLB_A << MTE_SRC_TLB_SHIFT) |
1259 (MTE_DEPTH_8 << MTE_DEPTH_SHIFT) |
1260 0/*MTE_MODE_COPY*/);
1261 #endif
1262 delay(4000000);
1263 #if 0
1264 for (i = 0; i < 128; i+=8)
1265 printf("%016llx\n", bus_space_read_8(sc->sc_iot, sc->sc_reh,
1266 CRIME_RE_LINEAR_B + i));
1267 #endif
1268 #if 0
1269 printf("flush: %08x\n",
1270 bus_space_read_4(sc->sc_iot, sc->sc_reh, CRIME_DE_FLUSH));
1271 #endif
1272 }
1273 #endif /* CRMFB_DEBUG */
1274
1275 static void
1276 crmfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1277 {
1278 struct rasops_info *ri = cookie;
1279 struct vcons_screen *scr = ri->ri_hw;
1280 int32_t xs, xd, y, width, height;
1281
1282 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1283 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1284 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1285 width = ri->ri_font->fontwidth * ncols;
1286 height = ri->ri_font->fontheight;
1287 crmfb_bitblt(scr->scr_cookie, xs, y, xd, y, width, height, 3);
1288 }
1289
1290 static void
1291 crmfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1292 {
1293 struct rasops_info *ri = cookie;
1294 struct vcons_screen *scr = ri->ri_hw;
1295 int32_t x, y, width, height, bg;
1296
1297 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1298 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1299 width = ri->ri_font->fontwidth * ncols;
1300 height = ri->ri_font->fontheight;
1301 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1302 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg);
1303 }
1304
1305 static void
1306 crmfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1307 {
1308 struct rasops_info *ri = cookie;
1309 struct vcons_screen *scr = ri->ri_hw;
1310 int32_t x, ys, yd, width, height;
1311
1312 x = ri->ri_xorigin;
1313 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1314 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1315 width = ri->ri_emuwidth;
1316 height = ri->ri_font->fontheight * nrows;
1317
1318 crmfb_scroll(scr->scr_cookie, x, ys, x, yd, width, height);
1319 }
1320
1321 static void
1322 crmfb_eraserows(void *cookie, int row, int nrows, long fillattr)
1323 {
1324 struct rasops_info *ri = cookie;
1325 struct vcons_screen *scr = ri->ri_hw;
1326 int32_t x, y, width, height, bg;
1327
1328 if ((row == 0) && (nrows == ri->ri_rows)) {
1329 x = y = 0;
1330 width = ri->ri_width;
1331 height = ri->ri_height;
1332 } else {
1333 x = ri->ri_xorigin;
1334 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1335 width = ri->ri_emuwidth;
1336 height = ri->ri_font->fontheight * nrows;
1337 }
1338 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1339 crmfb_fill_rect(scr->scr_cookie, x, y, width, height, bg);
1340 }
1341
1342 static void
1343 crmfb_cursor(void *cookie, int on, int row, int col)
1344 {
1345 struct rasops_info *ri = cookie;
1346 struct vcons_screen *scr = ri->ri_hw;
1347 struct crmfb_softc *sc = scr->scr_cookie;
1348 int x, y, wi,he;
1349
1350 wi = ri->ri_font->fontwidth;
1351 he = ri->ri_font->fontheight;
1352
1353 if (ri->ri_flg & RI_CURSOR) {
1354 x = ri->ri_ccol * wi + ri->ri_xorigin;
1355 y = ri->ri_crow * he + ri->ri_yorigin;
1356 crmfb_bitblt(sc, x, y, x, y, wi, he, 12);
1357 ri->ri_flg &= ~RI_CURSOR;
1358 }
1359
1360 ri->ri_crow = row;
1361 ri->ri_ccol = col;
1362
1363 if (on)
1364 {
1365 x = ri->ri_ccol * wi + ri->ri_xorigin;
1366 y = ri->ri_crow * he + ri->ri_yorigin;
1367 crmfb_bitblt(sc, x, y, x, y, wi, he, 12);
1368 ri->ri_flg |= RI_CURSOR;
1369 }
1370 }
1371
1372 static void
1373 crmfb_putchar(void *cookie, int row, int col, u_int c, long attr)
1374 {
1375 struct rasops_info *ri = cookie;
1376 struct vcons_screen *scr = ri->ri_hw;
1377 struct crmfb_softc *sc = scr->scr_cookie;
1378 struct rasops_info *fri = &sc->sc_rasops;
1379 int bg;
1380 int x, y, wi, he, xs;
1381
1382 wi = ri->ri_font->fontwidth;
1383 he = ri->ri_font->fontheight;
1384
1385 x = ri->ri_xorigin + col * wi;
1386 y = ri->ri_yorigin + row * he;
1387
1388 bg = ri->ri_devcmap[(attr >> 16) & 0xff];
1389 if (c == 0x20) {
1390 crmfb_fill_rect(sc, x, y, wi, he, bg);
1391 } else {
1392 /*
1393 * we rotate over all available character cells in the scratch
1394 * tile. The idea is to have more cells than there's room for
1395 * drawing commands in the engine's pipeline so we don't have
1396 * to wait for the engine until we're done drawing the
1397 * character and ready to blit it into place
1398 */
1399 fri->ri_ops.putchar(fri, 0, sc->sc_current_cell, c, attr);
1400 xs = sc->sc_current_cell * wi;
1401 sc->sc_current_cell++;
1402 if (sc->sc_current_cell >= sc->sc_cells)
1403 sc->sc_current_cell = 0;
1404 crmfb_bitblt(sc, xs, 2048-128, x, y, wi, he, 3);
1405 }
1406 }
NetBSD on the FriendlyARM MINI2440