gffb.c revision 1.12.14.1 1 /* $NetBSD: gffb.c,v 1.12.14.1 2019/06/10 22:07:15 christos Exp $ */
2
3 /*
4 * Copyright (c) 2013 Michael Lorenz
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 /*
29 * A console driver for nvidia geforce graphics controllers
30 * tested on macppc only so far, should work on other hardware as long as
31 * something sets up a usable graphics mode and sets the right device properties
32 * This driver should work with all NV1x hardware but so far it's been tested
33 * only on NV11 / GeForce2 MX. Needs testing with more hardware and if
34 * successful, PCI IDs need to be added to gffb_match()
35 */
36
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: gffb.c,v 1.12.14.1 2019/06/10 22:07:15 christos Exp $");
39
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/device.h>
44 #include <sys/malloc.h>
45 #include <sys/lwp.h>
46 #include <sys/kauth.h>
47 #include <sys/atomic.h>
48
49 #include <dev/videomode/videomode.h>
50
51 #include <dev/pci/pcivar.h>
52 #include <dev/pci/pcireg.h>
53 #include <dev/pci/pcidevs.h>
54 #include <dev/pci/pciio.h>
55 #include <dev/pci/gffbreg.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 #include <dev/pci/wsdisplay_pci.h>
63 #include <dev/wscons/wsdisplay_glyphcachevar.h>
64
65 #include <dev/i2c/i2cvar.h>
66
67 #include "opt_gffb.h"
68 #include "opt_vcons.h"
69
70 #ifdef GFFB_DEBUG
71 #define DPRINTF printf
72 #else
73 #define DPRINTF while(0) printf
74 #endif
75
76 struct gffb_softc {
77 device_t sc_dev;
78
79 pci_chipset_tag_t sc_pc;
80 pcitag_t sc_pcitag;
81
82 bus_space_tag_t sc_memt;
83 bus_space_tag_t sc_iot;
84
85 bus_space_handle_t sc_regh, sc_fbh;
86 bus_addr_t sc_fb, sc_reg;
87 bus_size_t sc_fbsize, sc_regsize;
88 uint8_t *sc_fbaddr;
89 size_t sc_vramsize;
90 uint32_t sc_fboffset;
91
92 int sc_width, sc_height, sc_depth, sc_stride;
93 int sc_locked, sc_accel;
94 struct vcons_screen sc_console_screen;
95 struct wsscreen_descr sc_defaultscreen_descr;
96 const struct wsscreen_descr *sc_screens[1];
97 struct wsscreen_list sc_screenlist;
98 struct vcons_data vd;
99 int sc_mode;
100 u_char sc_cmap_red[256];
101 u_char sc_cmap_green[256];
102 u_char sc_cmap_blue[256];
103 int sc_put, sc_current, sc_free;
104 uint32_t sc_rop;
105 void (*sc_putchar)(void *, int, int, u_int, long);
106 kmutex_t sc_lock;
107 glyphcache sc_gc;
108 };
109
110 static int gffb_match(device_t, cfdata_t, void *);
111 static void gffb_attach(device_t, device_t, void *);
112
113 CFATTACH_DECL_NEW(gffb, sizeof(struct gffb_softc),
114 gffb_match, gffb_attach, NULL, NULL);
115
116 static int gffb_ioctl(void *, void *, u_long, void *, int, struct lwp *);
117 static paddr_t gffb_mmap(void *, void *, off_t, int);
118 static void gffb_init_screen(void *, struct vcons_screen *, int, long *);
119
120 static int gffb_putcmap(struct gffb_softc *, struct wsdisplay_cmap *);
121 static int gffb_getcmap(struct gffb_softc *, struct wsdisplay_cmap *);
122 static void gffb_restore_palette(struct gffb_softc *);
123 static int gffb_putpalreg(struct gffb_softc *, uint8_t, uint8_t,
124 uint8_t, uint8_t);
125
126 static void gffb_init(struct gffb_softc *);
127
128 static void gffb_make_room(struct gffb_softc *, int);
129 static void gffb_sync(struct gffb_softc *);
130
131 static void gffb_rectfill(struct gffb_softc *, int, int, int, int,
132 uint32_t);
133 static void gffb_bitblt(void *, int, int, int, int, int, int, int);
134 static void gffb_rop(struct gffb_softc *, int);
135
136 static void gffb_cursor(void *, int, int, int);
137 static void gffb_putchar(void *, int, int, u_int, long);
138 static void gffb_copycols(void *, int, int, int, int);
139 static void gffb_erasecols(void *, int, int, int, long);
140 static void gffb_copyrows(void *, int, int, int);
141 static void gffb_eraserows(void *, int, int, long);
142
143 #define GFFB_READ_4(o) bus_space_read_4(sc->sc_memt, sc->sc_regh, (o))
144 #define GFFB_WRITE_4(o, v) bus_space_write_4(sc->sc_memt, sc->sc_regh, (o), (v))
145
146 struct wsdisplay_accessops gffb_accessops = {
147 gffb_ioctl,
148 gffb_mmap,
149 NULL, /* alloc_screen */
150 NULL, /* free_screen */
151 NULL, /* show_screen */
152 NULL, /* load_font */
153 NULL, /* pollc */
154 NULL /* scroll */
155 };
156
157 static int
158 gffb_match(device_t parent, cfdata_t match, void *aux)
159 {
160 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
161
162 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY)
163 return 0;
164 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_NVIDIA)
165 return 0;
166
167 /* only card tested on so far - likely need a list */
168 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_NVIDIA_GEFORCE2MX)
169 return 100;
170 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_NVIDIA_GEFORCE_6800U)
171 return 100;
172 return (0);
173 }
174
175 static void
176 gffb_attach(device_t parent, device_t self, void *aux)
177 {
178 struct gffb_softc *sc = device_private(self);
179 struct pci_attach_args *pa = aux;
180 struct rasops_info *ri;
181 bus_space_tag_t tag;
182 struct wsemuldisplaydev_attach_args aa;
183 prop_dictionary_t dict;
184 unsigned long defattr;
185 pcireg_t reg;
186 bool is_console = FALSE;
187 uint32_t addr;
188 int i, j, f;
189 uint8_t cmap[768];
190
191 sc->sc_pc = pa->pa_pc;
192 sc->sc_pcitag = pa->pa_tag;
193 sc->sc_memt = pa->pa_memt;
194 sc->sc_iot = pa->pa_iot;
195 sc->sc_dev = self;
196
197 /* first, see what kind of chip we've got */
198 reg = pci_conf_read(sc->sc_pc, sc->sc_pcitag, PCI_ID_REG);
199 sc->sc_accel = PCI_PRODUCT(reg) == PCI_PRODUCT_NVIDIA_GEFORCE2MX;
200
201 pci_aprint_devinfo(pa, NULL);
202
203 /* fill in parameters from properties */
204 dict = device_properties(self);
205 if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) {
206 aprint_error("%s: no width property\n", device_xname(self));
207 return;
208 }
209 if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) {
210 aprint_error("%s: no height property\n", device_xname(self));
211 return;
212 }
213
214 #ifdef GLYPHCACHE_DEBUG
215 /* leave some visible VRAM unused so we can see the glyph cache */
216 sc->sc_height -= 300;
217 #endif
218
219 if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) {
220 aprint_error("%s: no depth property\n", device_xname(self));
221 return;
222 }
223 if (!prop_dictionary_get_uint32(dict, "linebytes", &sc->sc_stride)) {
224 aprint_error("%s: no linebytes property\n",
225 device_xname(self));
226 return;
227 }
228
229 /*
230 * on !2MX we need to use the firmware's offset - for some reason
231 * register writes to anything other than the DACs go wrong
232 */
233 sc->sc_fboffset = 0;
234 if (prop_dictionary_get_uint32(dict, "address", &addr)) {
235 sc->sc_fboffset = addr & 0x000fffff; /* XXX */
236 }
237
238 prop_dictionary_get_bool(dict, "is_console", &is_console);
239
240 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, 0,
241 &tag, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) {
242 aprint_error("%s: failed to map registers.\n",
243 device_xname(sc->sc_dev));
244 }
245 sc->sc_vramsize = GFFB_READ_4(GFFB_VRAM) & 0xfff00000;
246
247 /* don't map more VRAM than we actually have */
248 if (pci_mapreg_info(sc->sc_pc, sc->sc_pcitag,
249 0x14, PCI_MAPREG_TYPE_MEM, &sc->sc_fb, &sc->sc_fbsize, &f)) {
250 aprint_error("%s: can't find the framebuffer?!\n",
251 device_xname(sc->sc_dev));
252 }
253 if (sc->sc_vramsize == 0) sc->sc_vramsize = sc->sc_fbsize;
254
255 /* don't map (much) more than we actually need */
256 if (bus_space_map(sc->sc_memt, sc->sc_fb, 0x1000000,
257 BUS_SPACE_MAP_PREFETCHABLE | BUS_SPACE_MAP_LINEAR,
258 &sc->sc_fbh)) {
259 aprint_error("%s: failed to map the framebuffer.\n",
260 device_xname(sc->sc_dev));
261 }
262 sc->sc_fbaddr = bus_space_vaddr(tag, sc->sc_fbh);
263
264 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self),
265 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb);
266 aprint_normal_dev(sc->sc_dev, "%d MB video memory\n",
267 (int)(sc->sc_vramsize >> 20));
268
269 sc->sc_defaultscreen_descr = (struct wsscreen_descr){
270 "default",
271 0, 0,
272 NULL,
273 8, 16,
274 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
275 NULL
276 };
277 sc->sc_screens[0] = &sc->sc_defaultscreen_descr;
278 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
279 sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
280 sc->sc_locked = 0;
281
282 #ifdef GFFB_DEBUG
283 printf("put: %08x\n", GFFB_READ_4(GFFB_FIFO_PUT));
284 printf("get: %08x\n", GFFB_READ_4(GFFB_FIFO_GET));
285 #endif
286
287 /*
288 * we don't have hardware synchronization so we need a lock to serialize
289 * access to the DMA buffer between normal and kernel output
290 * actually it might be enough to use atomic ops on sc_current, sc_free
291 * etc. but for now we'll play it safe
292 * XXX we will probably deadlock if we take an interrupt while sc_lock
293 * is held and then try to printf()
294 */
295 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
296
297 /* init engine here */
298 gffb_init(sc);
299
300 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr,
301 &gffb_accessops);
302 sc->vd.init_screen = gffb_init_screen;
303
304
305 ri = &sc->sc_console_screen.scr_ri;
306
307 if (sc->sc_accel) {
308 sc->sc_gc.gc_bitblt = gffb_bitblt;
309 sc->sc_gc.gc_blitcookie = sc;
310 sc->sc_gc.gc_rop = 0xcc;
311 }
312
313 if (is_console) {
314 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
315 &defattr);
316 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
317
318 if (sc->sc_accel) {
319 gffb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height,
320 ri->ri_devcmap[(defattr >> 16) & 0xf]);
321 } else {
322 memset(sc->sc_fbaddr + sc->sc_fboffset,
323 ri->ri_devcmap[(defattr >> 16) & 0xf],
324 sc->sc_stride * sc->sc_height);
325 }
326 sc->sc_defaultscreen_descr.textops = &ri->ri_ops;
327 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps;
328 sc->sc_defaultscreen_descr.nrows = ri->ri_rows;
329 sc->sc_defaultscreen_descr.ncols = ri->ri_cols;
330
331 if (sc->sc_accel)
332 glyphcache_init(&sc->sc_gc, sc->sc_height + 5,
333 (0x800000 / sc->sc_stride) - sc->sc_height - 5,
334 sc->sc_width,
335 ri->ri_font->fontwidth,
336 ri->ri_font->fontheight,
337 defattr);
338
339 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
340 defattr);
341 vcons_replay_msgbuf(&sc->sc_console_screen);
342 } else {
343 /*
344 * since we're not the console we can postpone the rest
345 * until someone actually allocates a screen for us
346 */
347 if (sc->sc_console_screen.scr_ri.ri_rows == 0) {
348 /* do some minimal setup to avoid weirdnesses later */
349 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
350 &defattr);
351 } else
352 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
353
354 if (sc->sc_accel)
355 glyphcache_init(&sc->sc_gc, sc->sc_height + 5,
356 (0x800000 / sc->sc_stride) - sc->sc_height - 5,
357 sc->sc_width,
358 ri->ri_font->fontwidth,
359 ri->ri_font->fontheight,
360 defattr);
361 }
362
363 j = 0;
364 rasops_get_cmap(ri, cmap, sizeof(cmap));
365 for (i = 0; i < 256; i++) {
366 sc->sc_cmap_red[i] = cmap[j];
367 sc->sc_cmap_green[i] = cmap[j + 1];
368 sc->sc_cmap_blue[i] = cmap[j + 2];
369 gffb_putpalreg(sc, i, cmap[j], cmap[j + 1], cmap[j + 2]);
370 j += 3;
371 }
372
373 /* no suspend/resume support yet */
374 if (!pmf_device_register(sc->sc_dev, NULL, NULL))
375 aprint_error_dev(sc->sc_dev,
376 "couldn't establish power handler\n");
377
378 aa.console = is_console;
379 aa.scrdata = &sc->sc_screenlist;
380 aa.accessops = &gffb_accessops;
381 aa.accesscookie = &sc->vd;
382
383 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
384
385 #ifdef GFFB_DEBUG
386 for (i = 0; i < 40; i++) {
387 for (j = 0; j < 40; j++) {
388 gffb_rectfill(sc, i * 20, j * 20, 20, 20,
389 (i + j ) & 1 ? 0xe0e0e0e0 : 0x03030303);
390 }
391 }
392
393 gffb_rectfill(sc, 0, 800, 1280, 224, 0x92929292);
394 gffb_bitblt(sc, 0, 10, 10, 810, 200, 20, 0xcc);
395 gffb_bitblt(sc, 0, 10, 10, 840, 300, 20, 0xcc);
396 gffb_bitblt(sc, 0, 10, 10, 870, 400, 20, 0xcc);
397 gffb_bitblt(sc, 0, 10, 10, 900, 500, 20, 0xcc);
398 gffb_bitblt(sc, 0, 10, 10, 930, 600, 20, 0xcc);
399 gffb_bitblt(sc, 0, 10, 610, 810, 200, 20, 0xcc);
400 gffb_bitblt(sc, 0, 10, 610, 840, 300, 20, 0xcc);
401 gffb_bitblt(sc, 0, 10, 610, 870, 400, 20, 0xcc);
402 gffb_bitblt(sc, 0, 10, 610, 900, 500, 20, 0xcc);
403 gffb_bitblt(sc, 0, 10, 610, 930, 600, 20, 0xcc);
404 gffb_sync(sc);
405 printf("put %x current %x\n", sc->sc_put, sc->sc_current);
406 #endif
407 }
408
409 static int
410 gffb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
411 {
412 struct vcons_data *vd = v;
413 struct gffb_softc *sc = vd->cookie;
414 struct wsdisplay_fbinfo *wdf;
415 struct vcons_screen *ms = vd->active;
416
417 switch (cmd) {
418 case WSDISPLAYIO_GTYPE:
419 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
420 return 0;
421
422 /* PCI config read/write passthrough. */
423 case PCI_IOC_CFGREAD:
424 case PCI_IOC_CFGWRITE:
425 return pci_devioctl(sc->sc_pc, sc->sc_pcitag,
426 cmd, data, flag, l);
427
428 case WSDISPLAYIO_GET_BUSID:
429 return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
430 sc->sc_pcitag, data);
431
432 case WSDISPLAYIO_GINFO:
433 if (ms == NULL)
434 return ENODEV;
435 wdf = (void *)data;
436 wdf->height = ms->scr_ri.ri_height;
437 wdf->width = ms->scr_ri.ri_width;
438 wdf->depth = ms->scr_ri.ri_depth;
439 wdf->cmsize = 256;
440 return 0;
441
442 case WSDISPLAYIO_GETCMAP:
443 return gffb_getcmap(sc,
444 (struct wsdisplay_cmap *)data);
445
446 case WSDISPLAYIO_PUTCMAP:
447 return gffb_putcmap(sc,
448 (struct wsdisplay_cmap *)data);
449
450 case WSDISPLAYIO_LINEBYTES:
451 *(u_int *)data = sc->sc_stride;
452 return 0;
453
454 case WSDISPLAYIO_SMODE: {
455 int new_mode = *(int*)data;
456 if (new_mode != sc->sc_mode) {
457 sc->sc_mode = new_mode;
458 if(new_mode == WSDISPLAYIO_MODE_EMUL) {
459 gffb_init(sc);
460 gffb_restore_palette(sc);
461 if (sc->sc_accel) {
462 glyphcache_wipe(&sc->sc_gc);
463 gffb_rectfill(sc, 0, 0, sc->sc_width,
464 sc->sc_height, ms->scr_ri.ri_devcmap[
465 (ms->scr_defattr >> 16) & 0xf]);
466 } else {
467 memset(sc->sc_fbaddr + sc->sc_fboffset,
468 ms->scr_ri.ri_devcmap[
469 (ms->scr_defattr >> 16) & 0xf],
470 sc->sc_stride * sc->sc_height);
471 }
472 vcons_redraw_screen(ms);
473 }
474 }
475 }
476 return 0;
477
478 case WSDISPLAYIO_GET_EDID: {
479 struct wsdisplayio_edid_info *d = data;
480 return wsdisplayio_get_edid(sc->sc_dev, d);
481 }
482
483 case WSDISPLAYIO_GET_FBINFO: {
484 struct wsdisplayio_fbinfo *fbi = data;
485 return wsdisplayio_get_fbinfo(&ms->scr_ri, fbi);
486 }
487 }
488 return EPASSTHROUGH;
489 }
490
491 static paddr_t
492 gffb_mmap(void *v, void *vs, off_t offset, int prot)
493 {
494 struct vcons_data *vd = v;
495 struct gffb_softc *sc = vd->cookie;
496 paddr_t pa;
497
498 /* 'regular' framebuffer mmap()ing */
499 if (offset < sc->sc_vramsize) {
500 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset + 0x2000,
501 0, prot, BUS_SPACE_MAP_LINEAR);
502 return pa;
503 }
504
505 /*
506 * restrict all other mappings to processes with superuser privileges
507 * or the kernel itself
508 */
509 if (kauth_authorize_machdep(kauth_cred_get(),
510 KAUTH_MACHDEP_UNMANAGEDMEM,
511 NULL, NULL, NULL, NULL) != 0) {
512 aprint_normal("%s: mmap() rejected.\n",
513 device_xname(sc->sc_dev));
514 return -1;
515 }
516
517 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) {
518 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
519 BUS_SPACE_MAP_LINEAR);
520 return pa;
521 }
522
523 if ((offset >= sc->sc_reg) &&
524 (offset < (sc->sc_reg + sc->sc_regsize))) {
525 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
526 BUS_SPACE_MAP_LINEAR);
527 return pa;
528 }
529
530 #ifdef PCI_MAGIC_IO_RANGE
531 /* allow mapping of IO space */
532 if ((offset >= PCI_MAGIC_IO_RANGE) &&
533 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
534 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
535 0, prot, BUS_SPACE_MAP_LINEAR);
536 return pa;
537 }
538 #endif
539
540 return -1;
541 }
542
543 static void
544 gffb_init_screen(void *cookie, struct vcons_screen *scr,
545 int existing, long *defattr)
546 {
547 struct gffb_softc *sc = cookie;
548 struct rasops_info *ri = &scr->scr_ri;
549
550 ri->ri_depth = sc->sc_depth;
551 ri->ri_width = sc->sc_width;
552 ri->ri_height = sc->sc_height;
553 ri->ri_stride = sc->sc_stride;
554 if (sc->sc_depth == 8)
555 ri->ri_bits = sc->sc_fbaddr + sc->sc_fboffset;
556 ri->ri_flg = RI_CENTER;
557 ri->ri_flg |= RI_8BIT_IS_RGB | RI_ENABLE_ALPHA;
558
559 rasops_init(ri, 0, 0);
560 ri->ri_caps = WSSCREEN_WSCOLORS;
561
562 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
563 sc->sc_width / ri->ri_font->fontwidth);
564
565 ri->ri_hw = scr;
566
567 if (sc->sc_accel) {
568 sc->sc_putchar = ri->ri_ops.putchar;
569 ri->ri_ops.copyrows = gffb_copyrows;
570 ri->ri_ops.copycols = gffb_copycols;
571 ri->ri_ops.eraserows = gffb_eraserows;
572 ri->ri_ops.erasecols = gffb_erasecols;
573 ri->ri_ops.cursor = gffb_cursor;
574 ri->ri_ops.putchar = gffb_putchar;
575 } else {
576 scr->scr_flags |= VCONS_DONT_READ;
577 }
578 }
579
580 static int
581 gffb_putcmap(struct gffb_softc *sc, struct wsdisplay_cmap *cm)
582 {
583 u_char *r, *g, *b;
584 u_int index = cm->index;
585 u_int count = cm->count;
586 int i, error;
587 u_char rbuf[256], gbuf[256], bbuf[256];
588
589 #ifdef GFFB_DEBUG
590 aprint_debug("putcmap: %d %d\n",index, count);
591 #endif
592 if (cm->index >= 256 || cm->count > 256 ||
593 (cm->index + cm->count) > 256)
594 return EINVAL;
595 error = copyin(cm->red, &rbuf[index], count);
596 if (error)
597 return error;
598 error = copyin(cm->green, &gbuf[index], count);
599 if (error)
600 return error;
601 error = copyin(cm->blue, &bbuf[index], count);
602 if (error)
603 return error;
604
605 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
606 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
607 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
608
609 r = &sc->sc_cmap_red[index];
610 g = &sc->sc_cmap_green[index];
611 b = &sc->sc_cmap_blue[index];
612
613 for (i = 0; i < count; i++) {
614 gffb_putpalreg(sc, index, *r, *g, *b);
615 index++;
616 r++, g++, b++;
617 }
618 return 0;
619 }
620
621 static int
622 gffb_getcmap(struct gffb_softc *sc, struct wsdisplay_cmap *cm)
623 {
624 u_int index = cm->index;
625 u_int count = cm->count;
626 int error;
627
628 if (index >= 255 || count > 256 || index + count > 256)
629 return EINVAL;
630
631 error = copyout(&sc->sc_cmap_red[index], cm->red, count);
632 if (error)
633 return error;
634 error = copyout(&sc->sc_cmap_green[index], cm->green, count);
635 if (error)
636 return error;
637 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
638 if (error)
639 return error;
640
641 return 0;
642 }
643
644 static void
645 gffb_restore_palette(struct gffb_softc *sc)
646 {
647 int i;
648
649 for (i = 0; i < (1 << sc->sc_depth); i++) {
650 gffb_putpalreg(sc, i, sc->sc_cmap_red[i],
651 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]);
652 }
653 }
654
655 static int
656 gffb_putpalreg(struct gffb_softc *sc, uint8_t idx, uint8_t r, uint8_t g,
657 uint8_t b)
658 {
659 /* port 0 */
660 bus_space_write_1(sc->sc_memt, sc->sc_regh,
661 GFFB_PDIO0 + GFFB_PEL_IW, idx);
662 bus_space_write_1(sc->sc_memt, sc->sc_regh,
663 GFFB_PDIO0 + GFFB_PEL_D, r);
664 bus_space_write_1(sc->sc_memt, sc->sc_regh,
665 GFFB_PDIO0 + GFFB_PEL_D, g);
666 bus_space_write_1(sc->sc_memt, sc->sc_regh,
667 GFFB_PDIO0 + GFFB_PEL_D, b);
668
669 /* port 1 */
670 bus_space_write_1(sc->sc_memt, sc->sc_regh,
671 GFFB_PDIO1 + GFFB_PEL_IW, idx);
672 bus_space_write_1(sc->sc_memt, sc->sc_regh,
673 GFFB_PDIO1 + GFFB_PEL_D, r);
674 bus_space_write_1(sc->sc_memt, sc->sc_regh,
675 GFFB_PDIO1 + GFFB_PEL_D, g);
676 bus_space_write_1(sc->sc_memt, sc->sc_regh,
677 GFFB_PDIO1 + GFFB_PEL_D, b);
678
679 return 0;
680 }
681
682
683 static void
684 gffb_dma_kickoff(struct gffb_softc *sc)
685 {
686
687 if (sc->sc_current != sc->sc_put) {
688 sc->sc_put = sc->sc_current;
689 membar_sync();
690 (void)*sc->sc_fbaddr;
691 GFFB_WRITE_4(GFFB_FIFO_PUT, sc->sc_put);
692 membar_sync();
693 }
694 }
695
696 static void
697 gffb_dmanext(struct gffb_softc *sc, uint32_t data)
698 {
699 bus_space_write_stream_4(sc->sc_memt, sc->sc_fbh, sc->sc_current, data);
700 sc->sc_current += 4;
701 }
702
703 static void
704 gffb_dmastart(struct gffb_softc *sc, uint32_t tag, int size)
705 {
706 if(sc->sc_free <= (size << 2))
707 gffb_make_room(sc, size);
708 gffb_dmanext(sc, ((size) << 18) | (tag));
709 sc->sc_free -= ((size + 1) << 2);
710 }
711
712 /*
713 * from xf86_video_nv/nv_xaa.c:
714 * There is a HW race condition with videoram command buffers.
715 * You can't jump to the location of your put offset. We write put
716 * at the jump offset + SKIPS dwords with noop padding in between
717 * to solve this problem
718 */
719
720 #define SKIPS 8
721
722 static void
723 gffb_make_room(struct gffb_softc *sc, int size)
724 {
725 uint32_t get;
726
727 size = (size + 1) << 2; /* slots -> offset */
728
729 while (sc->sc_free < size) {
730 get = GFFB_READ_4(GFFB_FIFO_GET);
731
732 if (sc->sc_put >= get) {
733 sc->sc_free = 0x2000 - sc->sc_current;
734 if (sc->sc_free < size) {
735 gffb_dmanext(sc, 0x20000000);
736 if(get <= (SKIPS << 2)) {
737 if (sc->sc_put <= (SKIPS << 2)) {
738 /* corner case - will be idle */
739 GFFB_WRITE_4(GFFB_FIFO_PUT,
740 (SKIPS + 1) << 2);
741 }
742 do {
743 get =GFFB_READ_4(GFFB_FIFO_GET);
744 } while (get <= (SKIPS << 2));
745 }
746 GFFB_WRITE_4(GFFB_FIFO_PUT, SKIPS << 2);
747 sc->sc_current = sc->sc_put = (SKIPS << 2);
748 sc->sc_free = get - ((SKIPS + 1) << 2);
749 }
750 } else
751 sc->sc_free = get - sc->sc_current - 4;
752 }
753 }
754
755 static void
756 gffb_sync(struct gffb_softc *sc)
757 {
758 int bail;
759 int i;
760
761 /*
762 * if there are commands in the buffer make sure the chip is actually
763 * trying to run them
764 */
765 gffb_dma_kickoff(sc);
766
767 /* now wait for the command buffer to drain... */
768 bail = 100000000;
769 while ((GFFB_READ_4(GFFB_FIFO_GET) != sc->sc_put) && (bail > 0)) {
770 bail--;
771 }
772 if (bail == 0) goto crap;
773
774 /* ... and for the engine to go idle */
775 bail = 100000000;
776 while((GFFB_READ_4(GFFB_BUSY) != 0) && (bail > 0)) {
777 bail--;
778 }
779 if (bail == 0) goto crap;
780 return;
781 crap:
782 /* if we time out fill the buffer with NOPs and cross fingers */
783 sc->sc_put = 0;
784 sc->sc_current = 0;
785 for (i = 0; i < 0x2000; i += 4)
786 bus_space_write_stream_4(sc->sc_memt, sc->sc_fbh, i, 0);
787 aprint_error_dev(sc->sc_dev, "DMA lockup\n");
788 }
789
790 static void
791 gffb_init(struct gffb_softc *sc)
792 {
793 int i;
794 uint32_t foo;
795
796 if (!sc->sc_accel) return;
797
798 sc->sc_fboffset = 0x2000;
799
800 /* init display start */
801 GFFB_WRITE_4(GFFB_CRTC0 + GFFB_DISPLAYSTART, sc->sc_fboffset);
802 GFFB_WRITE_4(GFFB_CRTC1 + GFFB_DISPLAYSTART, sc->sc_fboffset);
803 GFFB_WRITE_4(GFFB_PDIO0 + GFFB_PEL_MASK, 0xff);
804 GFFB_WRITE_4(GFFB_PDIO1 + GFFB_PEL_MASK, 0xff);
805
806 /* DMA stuff. A whole lot of magic number voodoo from xf86-video-nv */
807 GFFB_WRITE_4(GFFB_PMC + 0x140, 0);
808 GFFB_WRITE_4(GFFB_PMC + 0x200, 0xffff00ff);
809 GFFB_WRITE_4(GFFB_PMC + 0x200, 0xffffffff);
810 GFFB_WRITE_4(GFFB_PTIMER + 0x800, 8);
811 GFFB_WRITE_4(GFFB_PTIMER + 0x840, 3);
812 GFFB_WRITE_4(GFFB_PTIMER + 0x500, 0);
813 GFFB_WRITE_4(GFFB_PTIMER + 0x400, 0xffffffff);
814 for (i = 0; i < 8; i++) {
815 GFFB_WRITE_4(GFFB_PMC + 0x240 + (i * 0x10), 0);
816 GFFB_WRITE_4(GFFB_PMC + 0x244 + (i * 0x10),
817 sc->sc_vramsize - 1);
818 }
819
820 for (i = 0; i < 8; i++) {
821 GFFB_WRITE_4(GFFB_PFB + 0x0240 + (i * 0x10), 0);
822 GFFB_WRITE_4(GFFB_PFB + 0x0244 + (i * 0x10),
823 sc->sc_vramsize - 1);
824 }
825
826 GFFB_WRITE_4(GFFB_PRAMIN, 0x80000010);
827 GFFB_WRITE_4(GFFB_PRAMIN + 0x04, 0x80011201);
828 GFFB_WRITE_4(GFFB_PRAMIN + 0x08, 0x80000011);
829 GFFB_WRITE_4(GFFB_PRAMIN + 0x0c, 0x80011202);
830 GFFB_WRITE_4(GFFB_PRAMIN + 0x10, 0x80000012);
831 GFFB_WRITE_4(GFFB_PRAMIN + 0x14, 0x80011203);
832 GFFB_WRITE_4(GFFB_PRAMIN + 0x18, 0x80000013);
833 GFFB_WRITE_4(GFFB_PRAMIN + 0x1c, 0x80011204);
834 GFFB_WRITE_4(GFFB_PRAMIN + 0x20, 0x80000014);
835 GFFB_WRITE_4(GFFB_PRAMIN + 0x24, 0x80011205);
836 GFFB_WRITE_4(GFFB_PRAMIN + 0x28, 0x80000015);
837 GFFB_WRITE_4(GFFB_PRAMIN + 0x2c, 0x80011206);
838 GFFB_WRITE_4(GFFB_PRAMIN + 0x30, 0x80000016);
839 GFFB_WRITE_4(GFFB_PRAMIN + 0x34, 0x80011207);
840 GFFB_WRITE_4(GFFB_PRAMIN + 0x38, 0x80000017);
841 GFFB_WRITE_4(GFFB_PRAMIN + 0x3c, 0x80011208);
842 GFFB_WRITE_4(GFFB_PRAMIN + 0x2000, 0x00003000);
843 GFFB_WRITE_4(GFFB_PRAMIN + 0x2004, sc->sc_vramsize - 1);
844 GFFB_WRITE_4(GFFB_PRAMIN + 0x2008, 0x00000002);
845 GFFB_WRITE_4(GFFB_PRAMIN + 0x200c, 0x00000002);
846 GFFB_WRITE_4(GFFB_PRAMIN + 0x2010, 0x01008042); /* different for nv40 */
847 GFFB_WRITE_4(GFFB_PRAMIN + 0x2014, 0);
848 GFFB_WRITE_4(GFFB_PRAMIN + 0x2018, 0x12001200);
849 GFFB_WRITE_4(GFFB_PRAMIN + 0x201c, 0);
850 GFFB_WRITE_4(GFFB_PRAMIN + 0x2020, 0x01008043);
851 GFFB_WRITE_4(GFFB_PRAMIN + 0x2024, 0);
852 GFFB_WRITE_4(GFFB_PRAMIN + 0x2028, 0);
853 GFFB_WRITE_4(GFFB_PRAMIN + 0x202c, 0);
854 GFFB_WRITE_4(GFFB_PRAMIN + 0x2030, 0x01008044);
855 GFFB_WRITE_4(GFFB_PRAMIN + 0x2034, 0x00000002);
856 GFFB_WRITE_4(GFFB_PRAMIN + 0x2038, 0);
857 GFFB_WRITE_4(GFFB_PRAMIN + 0x203c, 0);
858 GFFB_WRITE_4(GFFB_PRAMIN + 0x2040, 0x01008019);
859 GFFB_WRITE_4(GFFB_PRAMIN + 0x2044, 0);
860 GFFB_WRITE_4(GFFB_PRAMIN + 0x2048, 0);
861 GFFB_WRITE_4(GFFB_PRAMIN + 0x204c, 0);
862 GFFB_WRITE_4(GFFB_PRAMIN + 0x2050, 0x0100a05c);
863 GFFB_WRITE_4(GFFB_PRAMIN + 0x2054, 0);
864 GFFB_WRITE_4(GFFB_PRAMIN + 0x2058, 0);
865 GFFB_WRITE_4(GFFB_PRAMIN + 0x205c, 0);
866 /* XXX 0x0100805f if !WaitVSynvPossible */
867 GFFB_WRITE_4(GFFB_PRAMIN + 0x2060, 0x0100809f);
868 GFFB_WRITE_4(GFFB_PRAMIN + 0x2064, 0);
869 GFFB_WRITE_4(GFFB_PRAMIN + 0x2068, 0x12001200);
870 GFFB_WRITE_4(GFFB_PRAMIN + 0x206c, 0);
871 GFFB_WRITE_4(GFFB_PRAMIN + 0x2070, 0x0100804a);
872 GFFB_WRITE_4(GFFB_PRAMIN + 0x2074, 0x00000002);
873 GFFB_WRITE_4(GFFB_PRAMIN + 0x2078, 0);
874 GFFB_WRITE_4(GFFB_PRAMIN + 0x207c, 0);
875 GFFB_WRITE_4(GFFB_PRAMIN + 0x2080, 0x01018077);
876 GFFB_WRITE_4(GFFB_PRAMIN + 0x2084, 0);
877 GFFB_WRITE_4(GFFB_PRAMIN + 0x2088, 0x12001200);
878 GFFB_WRITE_4(GFFB_PRAMIN + 0x208c, 0);
879 GFFB_WRITE_4(GFFB_PRAMIN + 0x2090, 0x00003002);
880 GFFB_WRITE_4(GFFB_PRAMIN + 0x2094, 0x00007fff);
881 /* command buffer start with some flag in the lower bits */
882 GFFB_WRITE_4(GFFB_PRAMIN + 0x2098, 0x00000002);
883 GFFB_WRITE_4(GFFB_PRAMIN + 0x209c, 0x00000002);
884 #if BYTE_ORDER == BIG_ENDIAN
885 GFFB_WRITE_4(GFFB_PRAMIN + 0x2010, 0x01088042);
886 GFFB_WRITE_4(GFFB_PRAMIN + 0x2020, 0x01088043);
887 GFFB_WRITE_4(GFFB_PRAMIN + 0x2030, 0x01088044);
888 GFFB_WRITE_4(GFFB_PRAMIN + 0x2040, 0x01088019);
889 GFFB_WRITE_4(GFFB_PRAMIN + 0x2050, 0x0108a05c);
890 GFFB_WRITE_4(GFFB_PRAMIN + 0x2060, 0x0108809f);
891 GFFB_WRITE_4(GFFB_PRAMIN + 0x2070, 0x0108804a);
892 GFFB_WRITE_4(GFFB_PRAMIN + 0x2080, 0x01098077);
893 GFFB_WRITE_4(GFFB_PRAMIN + 0x2034, 0x00000001);
894 GFFB_WRITE_4(GFFB_PRAMIN + 0x2074, 0x00000001);
895 #endif
896
897 /* PGRAPH setup */
898 GFFB_WRITE_4(GFFB_PFIFO + 0x0500, 0);
899 GFFB_WRITE_4(GFFB_PFIFO + 0x0504, 0x00000001);
900 GFFB_WRITE_4(GFFB_PFIFO + 0x1200, 0);
901 GFFB_WRITE_4(GFFB_PFIFO + 0x1250, 0);
902 GFFB_WRITE_4(GFFB_PFIFO + 0x1204, 0x00000100); /* different on nv40 */
903 GFFB_WRITE_4(GFFB_PFIFO + 0x1240, 0);
904 GFFB_WRITE_4(GFFB_PFIFO + 0x1244, 0);
905 GFFB_WRITE_4(GFFB_PFIFO + 0x122c, 0x00001209); /* different on nv40 */
906 GFFB_WRITE_4(GFFB_PFIFO + 0x1000, 0);
907 GFFB_WRITE_4(GFFB_PFIFO + 0x1050, 0);
908 GFFB_WRITE_4(GFFB_PFIFO + 0x0210, 0x03000100);
909 GFFB_WRITE_4(GFFB_PFIFO + 0x0214, 0x00000110);
910 GFFB_WRITE_4(GFFB_PFIFO + 0x0218, 0x00000112);
911 GFFB_WRITE_4(GFFB_PFIFO + 0x050c, 0x0000ffff);
912 GFFB_WRITE_4(GFFB_PFIFO + 0x1258, 0x0000ffff);
913 GFFB_WRITE_4(GFFB_PFIFO + 0x0140, 0);
914 GFFB_WRITE_4(GFFB_PFIFO + 0x0100, 0xffffffff);
915 GFFB_WRITE_4(GFFB_PFIFO + 0x1054, 0x00000001);
916 GFFB_WRITE_4(GFFB_PFIFO + 0x1230, 0);
917 GFFB_WRITE_4(GFFB_PFIFO + 0x1280, 0);
918 #if BYTE_ORDER == BIG_ENDIAN
919 GFFB_WRITE_4(GFFB_PFIFO + 0x1224, 0x800f0078);
920 #else
921 GFFB_WRITE_4(GFFB_PFIFO + 0x1224, 0x000f0078);
922 #endif
923 GFFB_WRITE_4(GFFB_PFIFO + 0x1220, 0x00000001);
924 GFFB_WRITE_4(GFFB_PFIFO + 0x1200, 0x00000001);
925 GFFB_WRITE_4(GFFB_PFIFO + 0x1250, 0x00000001);
926 GFFB_WRITE_4(GFFB_PFIFO + 0x1254, 0x00000001);
927 GFFB_WRITE_4(GFFB_PFIFO + 0x0500, 0x00000001);
928
929 GFFB_WRITE_4(GFFB_PGRAPH + 0x0080, 0xFFFFFFFF);
930 GFFB_WRITE_4(GFFB_PGRAPH + 0x0080, 0x00000000);
931
932 GFFB_WRITE_4(GFFB_PGRAPH + 0x0140, 0x00000000);
933 GFFB_WRITE_4(GFFB_PGRAPH + 0x0100, 0xFFFFFFFF);
934 GFFB_WRITE_4(GFFB_PGRAPH + 0x0144, 0x10010100);
935 GFFB_WRITE_4(GFFB_PGRAPH + 0x0714, 0xFFFFFFFF);
936 GFFB_WRITE_4(GFFB_PGRAPH + 0x0720, 0x00000001);
937 /*
938 * xf86_video_nv does this in two writes,
939 * not sure if they can be combined
940 */
941 foo = GFFB_READ_4(GFFB_PGRAPH + 0x0710);
942 GFFB_WRITE_4(GFFB_PGRAPH + 0x0710, foo & 0x0007ff00);
943 foo = GFFB_READ_4(GFFB_PGRAPH + 0x0710);
944 GFFB_WRITE_4(GFFB_PGRAPH + 0x0710, foo | 0x00020100);
945
946 /* NV_ARCH_10 */
947 GFFB_WRITE_4(GFFB_PGRAPH + 0x0084, 0x00118700);
948 GFFB_WRITE_4(GFFB_PGRAPH + 0x0088, 0x24E00810);
949 GFFB_WRITE_4(GFFB_PGRAPH + 0x008C, 0x55DE0030);
950
951 for(i = 0; i < 128; i += 4) {
952 GFFB_WRITE_4(GFFB_PGRAPH + 0x0B00 + i,
953 GFFB_READ_4(GFFB_PFB + 0x0240 + i));
954 }
955
956 GFFB_WRITE_4(GFFB_PGRAPH + 0x640, 0);
957 GFFB_WRITE_4(GFFB_PGRAPH + 0x644, 0);
958 GFFB_WRITE_4(GFFB_PGRAPH + 0x684, sc->sc_vramsize - 1);
959 GFFB_WRITE_4(GFFB_PGRAPH + 0x688, sc->sc_vramsize - 1);
960
961 GFFB_WRITE_4(GFFB_PGRAPH + 0x0810, 0x00000000);
962 GFFB_WRITE_4(GFFB_PGRAPH + 0x0608, 0xFFFFFFFF);
963
964 GFFB_WRITE_4(GFFB_PGRAPH + 0x053C, 0);
965 GFFB_WRITE_4(GFFB_PGRAPH + 0x0540, 0);
966 GFFB_WRITE_4(GFFB_PGRAPH + 0x0544, 0x00007FFF);
967 GFFB_WRITE_4(GFFB_PGRAPH + 0x0548, 0x00007FFF);
968
969 GFFB_WRITE_4(GFFB_CMDSTART, 0x00000002);
970 GFFB_WRITE_4(GFFB_FIFO_GET, 0);
971 sc->sc_put = 0;
972 sc->sc_current = 0;
973 sc->sc_free = 0x2000;
974
975 for(i = 0; i < SKIPS; i++)
976 gffb_dmanext(sc, 0);
977
978 gffb_dmanext(sc, 0x00040000);
979 gffb_dmanext(sc, 0x80000010);
980 gffb_dmanext(sc, 0x00042000);
981 gffb_dmanext(sc, 0x80000011);
982 gffb_dmanext(sc, 0x00044000);
983 gffb_dmanext(sc, 0x80000012);
984 gffb_dmanext(sc, 0x00046000);
985 gffb_dmanext(sc, 0x80000013);
986 gffb_dmanext(sc, 0x00048000);
987 gffb_dmanext(sc, 0x80000014);
988 gffb_dmanext(sc, 0x0004A000);
989 gffb_dmanext(sc, 0x80000015);
990 gffb_dmanext(sc, 0x0004C000);
991 gffb_dmanext(sc, 0x80000016);
992 gffb_dmanext(sc, 0x0004E000);
993 gffb_dmanext(sc, 0x80000017);
994 sc->sc_free = 0x2000 - sc->sc_current;
995
996 gffb_dmastart(sc, SURFACE_FORMAT, 4);
997 gffb_dmanext(sc, SURFACE_FORMAT_DEPTH8);
998 gffb_dmanext(sc, sc->sc_stride | (sc->sc_stride << 16));
999 gffb_dmanext(sc, 0x2000); /* src offset */
1000 gffb_dmanext(sc, 0x2000); /* dst offset */
1001
1002 gffb_dmastart(sc, RECT_FORMAT, 1);
1003 gffb_dmanext(sc, RECT_FORMAT_DEPTH8);
1004
1005 gffb_dmastart(sc, PATTERN_FORMAT, 1);
1006 gffb_dmanext(sc, PATTERN_FORMAT_DEPTH8);
1007
1008 gffb_dmastart(sc, PATTERN_COLOR_0, 4);
1009 gffb_dmanext(sc, 0xffffffff);
1010 gffb_dmanext(sc, 0xffffffff);
1011 gffb_dmanext(sc, 0xffffffff);
1012 gffb_dmanext(sc, 0xffffffff);
1013
1014 gffb_dmastart(sc, ROP_SET, 1);
1015 gffb_dmanext(sc, 0xcc);
1016 sc->sc_rop = 0xcc;
1017
1018 gffb_dma_kickoff(sc);
1019 gffb_sync(sc);
1020 DPRINTF("put %x current %x\n", sc->sc_put, sc->sc_current);
1021
1022 }
1023
1024 static void
1025 gffb_rop(struct gffb_softc *sc, int rop)
1026 {
1027 if (rop == sc->sc_rop)
1028 return;
1029 sc->sc_rop = rop;
1030 gffb_dmastart(sc, ROP_SET, 1);
1031 gffb_dmanext(sc, rop);
1032 }
1033
1034 static void
1035 gffb_rectfill(struct gffb_softc *sc, int x, int y, int wi, int he,
1036 uint32_t colour)
1037 {
1038 if (!sc->sc_accel) return;
1039 mutex_enter(&sc->sc_lock);
1040 gffb_rop(sc, 0xcc);
1041
1042 gffb_dmastart(sc, RECT_SOLID_COLOR, 1);
1043 gffb_dmanext(sc, colour);
1044
1045 gffb_dmastart(sc, RECT_SOLID_RECTS(0), 2);
1046 gffb_dmanext(sc, (x << 16) | y);
1047 gffb_dmanext(sc, (wi << 16) | he);
1048 gffb_dma_kickoff(sc);
1049 mutex_exit(&sc->sc_lock);
1050 }
1051
1052 static void
1053 gffb_bitblt(void *cookie, int xs, int ys, int xd, int yd,
1054 int wi, int he, int rop)
1055 {
1056 struct gffb_softc *sc = cookie;
1057
1058 if (!sc->sc_accel) return;
1059 mutex_enter(&sc->sc_lock);
1060
1061 gffb_rop(sc, rop);
1062
1063 gffb_dmastart(sc, BLIT_POINT_SRC, 3);
1064 gffb_dmanext(sc, (ys << 16) | xs);
1065 gffb_dmanext(sc, (yd << 16) | xd);
1066 gffb_dmanext(sc, (he << 16) | wi);
1067 gffb_dma_kickoff(sc);
1068 mutex_exit(&sc->sc_lock);
1069 }
1070
1071 static void
1072 gffb_cursor(void *cookie, int on, int row, int col)
1073 {
1074 struct rasops_info *ri = cookie;
1075 struct vcons_screen *scr = ri->ri_hw;
1076 struct gffb_softc *sc = scr->scr_cookie;
1077 int x, y, wi, he;
1078
1079 wi = ri->ri_font->fontwidth;
1080 he = ri->ri_font->fontheight;
1081
1082 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
1083 x = ri->ri_ccol * wi + ri->ri_xorigin;
1084 y = ri->ri_crow * he + ri->ri_yorigin;
1085 if (ri->ri_flg & RI_CURSOR) {
1086 gffb_bitblt(sc, x, y, x, y, wi, he, 0x33);
1087 ri->ri_flg &= ~RI_CURSOR;
1088 }
1089 ri->ri_crow = row;
1090 ri->ri_ccol = col;
1091 if (on) {
1092 x = ri->ri_ccol * wi + ri->ri_xorigin;
1093 y = ri->ri_crow * he + ri->ri_yorigin;
1094 gffb_bitblt(sc, x, y, x, y, wi, he, 0x33);
1095 ri->ri_flg |= RI_CURSOR;
1096 }
1097 } else {
1098 scr->scr_ri.ri_crow = row;
1099 scr->scr_ri.ri_ccol = col;
1100 scr->scr_ri.ri_flg &= ~RI_CURSOR;
1101 }
1102
1103 }
1104
1105 static void
1106 gffb_putchar(void *cookie, int row, int col, u_int c, long attr)
1107 {
1108 struct rasops_info *ri = cookie;
1109 struct wsdisplay_font *font = PICK_FONT(ri, c);
1110 struct vcons_screen *scr = ri->ri_hw;
1111 struct gffb_softc *sc = scr->scr_cookie;
1112 int x, y, wi, he, rv = GC_NOPE;
1113 uint32_t bg;
1114
1115 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL)
1116 return;
1117
1118 if (!CHAR_IN_FONT(c, font))
1119 return;
1120
1121 wi = font->fontwidth;
1122 he = font->fontheight;
1123
1124 x = ri->ri_xorigin + col * wi;
1125 y = ri->ri_yorigin + row * he;
1126 bg = ri->ri_devcmap[(attr >> 16) & 0xf];
1127
1128 if (c == 0x20) {
1129 gffb_rectfill(sc, x, y, wi, he, bg);
1130 return;
1131 }
1132 rv = glyphcache_try(&sc->sc_gc, c, x, y, attr);
1133 if (rv == GC_OK)
1134 return;
1135
1136 mutex_enter(&sc->sc_lock);
1137 gffb_sync(sc);
1138 sc->sc_putchar(cookie, row, col, c, attr);
1139 membar_sync();
1140 mutex_exit(&sc->sc_lock);
1141
1142 if (rv == GC_ADD) {
1143 glyphcache_add(&sc->sc_gc, c, x, y);
1144 }
1145 }
1146
1147 static void
1148 gffb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1149 {
1150 struct rasops_info *ri = cookie;
1151 struct vcons_screen *scr = ri->ri_hw;
1152 struct gffb_softc *sc = scr->scr_cookie;
1153 int32_t xs, xd, y, width, height;
1154
1155 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1156 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1157 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1158 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1159 width = ri->ri_font->fontwidth * ncols;
1160 height = ri->ri_font->fontheight;
1161 gffb_bitblt(sc, xs, y, xd, y, width, height, 0xcc);
1162 }
1163 }
1164
1165 static void
1166 gffb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1167 {
1168 struct rasops_info *ri = cookie;
1169 struct vcons_screen *scr = ri->ri_hw;
1170 struct gffb_softc *sc = scr->scr_cookie;
1171 int32_t x, y, width, height, fg, bg, ul;
1172
1173 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1174 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1175 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1176 width = ri->ri_font->fontwidth * ncols;
1177 height = ri->ri_font->fontheight;
1178 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
1179
1180 gffb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
1181 }
1182 }
1183
1184 static void
1185 gffb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1186 {
1187 struct rasops_info *ri = cookie;
1188 struct vcons_screen *scr = ri->ri_hw;
1189 struct gffb_softc *sc = scr->scr_cookie;
1190 int32_t x, ys, yd, width, height;
1191
1192 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1193 x = ri->ri_xorigin;
1194 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1195 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1196 width = ri->ri_emuwidth;
1197 height = ri->ri_font->fontheight * nrows;
1198 gffb_bitblt(sc, x, ys, x, yd, width, height, 0xcc);
1199 }
1200 }
1201
1202 static void
1203 gffb_eraserows(void *cookie, int row, int nrows, long fillattr)
1204 {
1205 struct rasops_info *ri = cookie;
1206 struct vcons_screen *scr = ri->ri_hw;
1207 struct gffb_softc *sc = scr->scr_cookie;
1208 int32_t x, y, width, height, fg, bg, ul;
1209
1210 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
1211 x = ri->ri_xorigin;
1212 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1213 width = ri->ri_emuwidth;
1214 height = ri->ri_font->fontheight * nrows;
1215 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
1216
1217 gffb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
1218 }
1219 }
1220