?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Expand PMF_FN_* macros.
[netbsd-mini2440.git] / sys / dev / pci / r128fb.c
blob8860f32176525709d994d6b3a06bc8a030473430
1 /* $NetBSD: r128fb.c,v 1.9 2009/08/20 02:40:57 macallan Exp $ */
2
3 /*
4 * Copyright (c) 2007 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 ATI Rage 128 graphics controllers
30 * tested on macppc only so far
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: r128fb.c,v 1.9 2009/08/20 02:40:57 macallan Exp $");
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/device.h>
40 #include <sys/malloc.h>
41 #include <sys/lwp.h>
42 #include <sys/kauth.h>
43
44 #include <uvm/uvm_extern.h>
45
46 #include <dev/videomode/videomode.h>
47
48 #include <dev/pci/pcivar.h>
49 #include <dev/pci/pcireg.h>
50 #include <dev/pci/pcidevs.h>
51 #include <dev/pci/pciio.h>
52 #include <dev/pci/r128fbreg.h>
53
54 #include <dev/wscons/wsdisplayvar.h>
55 #include <dev/wscons/wsconsio.h>
56 #include <dev/wsfont/wsfont.h>
57 #include <dev/rasops/rasops.h>
58 #include <dev/wscons/wsdisplay_vconsvar.h>
59
60 #include <dev/i2c/i2cvar.h>
61
62 struct r128fb_softc {
63 device_t sc_dev;
64
65 pci_chipset_tag_t sc_pc;
66 pcitag_t sc_pcitag;
67
68 bus_space_tag_t sc_memt;
69 bus_space_tag_t sc_iot;
70
71 bus_space_handle_t sc_fbh;
72 bus_space_handle_t sc_regh;
73 bus_addr_t sc_fb, sc_reg;
74 bus_size_t sc_fbsize, sc_regsize;
75
76 int sc_width, sc_height, sc_depth, sc_stride;
77 int sc_locked;
78 void *sc_fbaddr;
79 struct vcons_screen sc_console_screen;
80 struct wsscreen_descr sc_defaultscreen_descr;
81 const struct wsscreen_descr *sc_screens[1];
82 struct wsscreen_list sc_screenlist;
83 struct vcons_data vd;
84 int sc_mode;
85 u_char sc_cmap_red[256];
86 u_char sc_cmap_green[256];
87 u_char sc_cmap_blue[256];
88 /* engine stuff */
89 uint32_t sc_master_cntl;
90 };
91
92 static int r128fb_match(device_t, cfdata_t, void *);
93 static void r128fb_attach(device_t, device_t, void *);
94
95 CFATTACH_DECL_NEW(r128fb, sizeof(struct r128fb_softc),
96 r128fb_match, r128fb_attach, NULL, NULL);
97
98 extern const u_char rasops_cmap[768];
99
100 static int r128fb_ioctl(void *, void *, u_long, void *, int,
101 struct lwp *);
102 static paddr_t r128fb_mmap(void *, void *, off_t, int);
103 static void r128fb_init_screen(void *, struct vcons_screen *, int, long *);
104
105 static int r128fb_putcmap(struct r128fb_softc *, struct wsdisplay_cmap *);
106 static int r128fb_getcmap(struct r128fb_softc *, struct wsdisplay_cmap *);
107 static void r128fb_restore_palette(struct r128fb_softc *);
108 static int r128fb_putpalreg(struct r128fb_softc *, uint8_t, uint8_t,
109 uint8_t, uint8_t);
110
111 static void r128fb_init(struct r128fb_softc *);
112 static void r128fb_flush_engine(struct r128fb_softc *);
113 static void r128fb_rectfill(struct r128fb_softc *, int, int, int, int,
114 uint32_t);
115 static void r128fb_bitblt(struct r128fb_softc *, int, int, int, int, int,
116 int, int);
117
118 static void r128fb_cursor(void *, int, int, int);
119 #if 0
120 static void r128fb_putchar(void *, int, int, u_int, long);
121 #endif
122 static void r128fb_copycols(void *, int, int, int, int);
123 static void r128fb_erasecols(void *, int, int, int, long);
124 static void r128fb_copyrows(void *, int, int, int);
125 static void r128fb_eraserows(void *, int, int, long);
126
127 struct wsdisplay_accessops r128fb_accessops = {
128 r128fb_ioctl,
129 r128fb_mmap,
130 NULL, /* alloc_screen */
131 NULL, /* free_screen */
132 NULL, /* show_screen */
133 NULL, /* load_font */
134 NULL, /* pollc */
135 NULL /* scroll */
136 };
137
138 static inline void
139 r128fb_wait(struct r128fb_softc *sc, int slots)
140 {
141 uint32_t reg;
142
143 do {
144 reg = (bus_space_read_4(sc->sc_memt, sc->sc_regh,
145 R128_GUI_STAT) & R128_GUI_FIFOCNT_MASK);
146 } while (reg <= slots);
147 }
148
149 static void
150 r128fb_flush_engine(struct r128fb_softc *sc)
151 {
152 uint32_t reg;
153
154 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT);
155 reg |= R128_PC_FLUSH_ALL;
156 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PC_NGUI_CTLSTAT, reg);
157 do {
158 reg = bus_space_read_4(sc->sc_memt, sc->sc_regh,
159 R128_PC_NGUI_CTLSTAT);
160 } while (reg & R128_PC_BUSY);
161 }
162
163 static int
164 r128fb_match(device_t parent, cfdata_t match, void *aux)
165 {
166 struct pci_attach_args *pa = (struct pci_attach_args *)aux;
167
168 if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY)
169 return 0;
170 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
171 return 0;
172
173 /* only cards tested on so far - likely need a list */
174 if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE1AGP4XT) ||
175 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE3AGP4XT) ||
176 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGEGLPCI) ||
177 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_RAGE_MOB_M3_AGP))
178 return 100;
179 return (0);
180 }
181
182 static void
183 r128fb_attach(device_t parent, device_t self, void *aux)
184 {
185 struct r128fb_softc *sc = device_private(self);
186 struct pci_attach_args *pa = aux;
187 struct rasops_info *ri;
188 char devinfo[256];
189 struct wsemuldisplaydev_attach_args aa;
190 prop_dictionary_t dict;
191 unsigned long defattr;
192 bool is_console;
193 int i, j;
194
195 sc->sc_pc = pa->pa_pc;
196 sc->sc_pcitag = pa->pa_tag;
197 sc->sc_memt = pa->pa_memt;
198 sc->sc_iot = pa->pa_iot;
199 sc->sc_dev = self;
200
201 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
202 aprint_normal(": %s\n", devinfo);
203
204 /* fill in parameters from properties */
205 dict = device_properties(self);
206 if (!prop_dictionary_get_uint32(dict, "width", &sc->sc_width)) {
207 aprint_error("%s: no width property\n", device_xname(self));
208 return;
209 }
210 if (!prop_dictionary_get_uint32(dict, "height", &sc->sc_height)) {
211 aprint_error("%s: no height property\n", device_xname(self));
212 return;
213 }
214 if (!prop_dictionary_get_uint32(dict, "depth", &sc->sc_depth)) {
215 aprint_error("%s: no depth property\n", device_xname(self));
216 return;
217 }
218 if (!prop_dictionary_get_uint32(dict, "linebytes", &sc->sc_stride)) {
219 aprint_error("%s: no linebytes property\n",
220 device_xname(self));
221 return;
222 }
223
224 prop_dictionary_get_bool(dict, "is_console", &is_console);
225
226 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM,
227 BUS_SPACE_MAP_LINEAR,
228 &sc->sc_memt, &sc->sc_fbh, &sc->sc_fb, &sc->sc_fbsize)) {
229 aprint_error("%s: failed to map the frame buffer.\n",
230 device_xname(sc->sc_dev));
231 }
232 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh);
233
234 if (pci_mapreg_map(pa, 0x18, PCI_MAPREG_TYPE_MEM, 0,
235 &sc->sc_memt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) {
236 aprint_error("%s: failed to map registers.\n",
237 device_xname(sc->sc_dev));
238 }
239
240 /*
241 * XXX yeah, casting the fb address to uint32_t is formally wrong
242 * but as far as I know there are no mach64 with 64bit BARs
243 */
244 aprint_normal("%s: %d MB aperture at 0x%08x\n", device_xname(self),
245 (int)(sc->sc_fbsize >> 20), (uint32_t)sc->sc_fb);
246
247 sc->sc_defaultscreen_descr = (struct wsscreen_descr){
248 "default",
249 0, 0,
250 NULL,
251 8, 16,
252 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
253 NULL
254 };
255 sc->sc_screens[0] = &sc->sc_defaultscreen_descr;
256 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
257 sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
258 sc->sc_locked = 0;
259
260 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr,
261 &r128fb_accessops);
262 sc->vd.init_screen = r128fb_init_screen;
263
264 /* init engine here */
265 r128fb_init(sc);
266
267 ri = &sc->sc_console_screen.scr_ri;
268
269 j = 0;
270 for (i = 0; i < (1 << sc->sc_depth); i++) {
271
272 sc->sc_cmap_red[i] = rasops_cmap[j];
273 sc->sc_cmap_green[i] = rasops_cmap[j + 1];
274 sc->sc_cmap_blue[i] = rasops_cmap[j + 2];
275 r128fb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1],
276 rasops_cmap[j + 2]);
277 j += 3;
278 }
279
280 if (is_console) {
281 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
282 &defattr);
283 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
284
285 r128fb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height,
286 ri->ri_devcmap[(defattr >> 16) & 0xff]);
287 sc->sc_defaultscreen_descr.textops = &ri->ri_ops;
288 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps;
289 sc->sc_defaultscreen_descr.nrows = ri->ri_rows;
290 sc->sc_defaultscreen_descr.ncols = ri->ri_cols;
291 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
292 defattr);
293 vcons_replay_msgbuf(&sc->sc_console_screen);
294 } else {
295 /*
296 * since we're not the console we can postpone the rest
297 * until someone actually allocates a screen for us
298 */
299 (*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
300 }
301
302 aa.console = is_console;
303 aa.scrdata = &sc->sc_screenlist;
304 aa.accessops = &r128fb_accessops;
305 aa.accesscookie = &sc->vd;
306
307 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
308
309 }
310
311 static int
312 r128fb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
313 struct lwp *l)
314 {
315 struct vcons_data *vd = v;
316 struct r128fb_softc *sc = vd->cookie;
317 struct wsdisplay_fbinfo *wdf;
318 struct vcons_screen *ms = vd->active;
319
320 switch (cmd) {
321
322 case WSDISPLAYIO_GTYPE:
323 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
324 return 0;
325
326 /* PCI config read/write passthrough. */
327 case PCI_IOC_CFGREAD:
328 case PCI_IOC_CFGWRITE:
329 return (pci_devioctl(sc->sc_pc, sc->sc_pcitag,
330 cmd, data, flag, l));
331
332 case WSDISPLAYIO_GINFO:
333 if (ms == NULL)
334 return ENODEV;
335 wdf = (void *)data;
336 wdf->height = ms->scr_ri.ri_height;
337 wdf->width = ms->scr_ri.ri_width;
338 wdf->depth = ms->scr_ri.ri_depth;
339 wdf->cmsize = 256;
340 return 0;
341
342 case WSDISPLAYIO_GETCMAP:
343 return r128fb_getcmap(sc,
344 (struct wsdisplay_cmap *)data);
345
346 case WSDISPLAYIO_PUTCMAP:
347 return r128fb_putcmap(sc,
348 (struct wsdisplay_cmap *)data);
349
350 case WSDISPLAYIO_LINEBYTES:
351 *(u_int *)data = sc->sc_stride;
352 return 0;
353
354 case WSDISPLAYIO_SMODE:
355 {
356 int new_mode = *(int*)data;
357
358 /* notify the bus backend */
359 if (new_mode != sc->sc_mode) {
360 sc->sc_mode = new_mode;
361 if(new_mode == WSDISPLAYIO_MODE_EMUL) {
362 r128fb_restore_palette(sc);
363 vcons_redraw_screen(ms);
364 }
365 }
366 }
367 return 0;
368 }
369 return EPASSTHROUGH;
370 }
371
372 static paddr_t
373 r128fb_mmap(void *v, void *vs, off_t offset, int prot)
374 {
375 struct vcons_data *vd = v;
376 struct r128fb_softc *sc = vd->cookie;
377 paddr_t pa;
378
379 /* 'regular' framebuffer mmap()ing */
380 if (offset < sc->sc_fbsize) {
381 pa = bus_space_mmap(sc->sc_memt, sc->sc_fb + offset, 0, prot,
382 BUS_SPACE_MAP_LINEAR);
383 return pa;
384 }
385
386 /*
387 * restrict all other mappings to processes with superuser privileges
388 * or the kernel itself
389 */
390 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER,
391 NULL) != 0) {
392 aprint_normal("%s: mmap() rejected.\n",
393 device_xname(sc->sc_dev));
394 return -1;
395 }
396
397 if ((offset >= sc->sc_fb) && (offset < (sc->sc_fb + sc->sc_fbsize))) {
398 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
399 BUS_SPACE_MAP_LINEAR);
400 return pa;
401 }
402
403 if ((offset >= sc->sc_reg) &&
404 (offset < (sc->sc_reg + sc->sc_regsize))) {
405 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
406 BUS_SPACE_MAP_LINEAR);
407 return pa;
408 }
409
410 #ifdef PCI_MAGIC_IO_RANGE
411 /* allow mapping of IO space */
412 if ((offset >= PCI_MAGIC_IO_RANGE) &&
413 (offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
414 pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
415 0, prot, BUS_SPACE_MAP_LINEAR);
416 return pa;
417 }
418 #endif
419
420 #ifdef OFB_ALLOW_OTHERS
421 if (offset >= 0x80000000) {
422 pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
423 BUS_SPACE_MAP_LINEAR);
424 return pa;
425 }
426 #endif
427 return -1;
428 }
429
430 static void
431 r128fb_init_screen(void *cookie, struct vcons_screen *scr,
432 int existing, long *defattr)
433 {
434 struct r128fb_softc *sc = cookie;
435 struct rasops_info *ri = &scr->scr_ri;
436
437 ri->ri_depth = sc->sc_depth;
438 ri->ri_width = sc->sc_width;
439 ri->ri_height = sc->sc_height;
440 ri->ri_stride = sc->sc_stride;
441 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
442
443 ri->ri_bits = (char *)sc->sc_fbaddr;
444
445 if (existing) {
446 ri->ri_flg |= RI_CLEAR;
447 }
448
449 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8);
450 ri->ri_caps = WSSCREEN_WSCOLORS;
451
452 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
453 sc->sc_width / ri->ri_font->fontwidth);
454
455 ri->ri_hw = scr;
456 ri->ri_ops.copyrows = r128fb_copyrows;
457 ri->ri_ops.copycols = r128fb_copycols;
458 ri->ri_ops.eraserows = r128fb_eraserows;
459 ri->ri_ops.erasecols = r128fb_erasecols;
460 ri->ri_ops.cursor = r128fb_cursor;
461 #if 0
462 ri->ri_ops.putchar = r128fb_putchar;
463 #endif
464 }
465
466 static int
467 r128fb_putcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm)
468 {
469 u_char *r, *g, *b;
470 u_int index = cm->index;
471 u_int count = cm->count;
472 int i, error;
473 u_char rbuf[256], gbuf[256], bbuf[256];
474
475 #ifdef R128FB_DEBUG
476 aprint_debug("putcmap: %d %d\n",index, count);
477 #endif
478 if (cm->index >= 256 || cm->count > 256 ||
479 (cm->index + cm->count) > 256)
480 return EINVAL;
481 error = copyin(cm->red, &rbuf[index], count);
482 if (error)
483 return error;
484 error = copyin(cm->green, &gbuf[index], count);
485 if (error)
486 return error;
487 error = copyin(cm->blue, &bbuf[index], count);
488 if (error)
489 return error;
490
491 memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
492 memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
493 memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
494
495 r = &sc->sc_cmap_red[index];
496 g = &sc->sc_cmap_green[index];
497 b = &sc->sc_cmap_blue[index];
498
499 for (i = 0; i < count; i++) {
500 r128fb_putpalreg(sc, index, *r, *g, *b);
501 index++;
502 r++, g++, b++;
503 }
504 return 0;
505 }
506
507 static int
508 r128fb_getcmap(struct r128fb_softc *sc, struct wsdisplay_cmap *cm)
509 {
510 u_int index = cm->index;
511 u_int count = cm->count;
512 int error;
513
514 if (index >= 255 || count > 256 || index + count > 256)
515 return EINVAL;
516
517 error = copyout(&sc->sc_cmap_red[index], cm->red, count);
518 if (error)
519 return error;
520 error = copyout(&sc->sc_cmap_green[index], cm->green, count);
521 if (error)
522 return error;
523 error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
524 if (error)
525 return error;
526
527 return 0;
528 }
529
530 static void
531 r128fb_restore_palette(struct r128fb_softc *sc)
532 {
533 int i;
534
535 for (i = 0; i < (1 << sc->sc_depth); i++) {
536 r128fb_putpalreg(sc, i, sc->sc_cmap_red[i],
537 sc->sc_cmap_green[i], sc->sc_cmap_blue[i]);
538 }
539 }
540
541 static int
542 r128fb_putpalreg(struct r128fb_softc *sc, uint8_t idx, uint8_t r, uint8_t g,
543 uint8_t b)
544 {
545 uint32_t reg;
546
547 /* whack the DAC */
548 reg = (r << 16) | (g << 8) | b;
549 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_INDEX, idx);
550 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_PALETTE_DATA, reg);
551 return 0;
552 }
553
554 static void
555 r128fb_init(struct r128fb_softc *sc)
556 {
557 uint32_t datatype;
558
559 r128fb_flush_engine(sc);
560
561 r128fb_wait(sc, 8);
562 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_CRTC_OFFSET, 0);
563 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_OFFSET, 0);
564 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DEFAULT_PITCH,
565 sc->sc_stride >> 3);
566 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_AUX_SC_CNTL, 0);
567 bus_space_write_4(sc->sc_memt, sc->sc_regh,
568 R128_DEFAULT_SC_BOTTOM_RIGHT,
569 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX);
570 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_TOP_LEFT, 0);
571 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SC_BOTTOM_RIGHT,
572 R128_DEFAULT_SC_RIGHT_MAX | R128_DEFAULT_SC_BOTTOM_MAX);
573 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_DATATYPE,
574 R128_HOST_BIG_ENDIAN_EN);
575
576 r128fb_wait(sc, 5);
577 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_PITCH,
578 sc->sc_stride >> 3);
579 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_PITCH,
580 sc->sc_stride >> 3);
581 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_OFFSET, 0);
582 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_OFFSET, 0);
583 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_WRITE_MASK,
584 0xffffffff);
585
586 switch (sc->sc_depth) {
587 case 8:
588 datatype = R128_GMC_DST_8BPP_CI;
589 break;
590 case 15:
591 datatype = R128_GMC_DST_15BPP;
592 break;
593 case 16:
594 datatype = R128_GMC_DST_16BPP;
595 break;
596 case 24:
597 datatype = R128_GMC_DST_24BPP;
598 break;
599 case 32:
600 datatype = R128_GMC_DST_32BPP;
601 break;
602 default:
603 aprint_error("%s: unsupported depth %d\n",
604 device_xname(sc->sc_dev), sc->sc_depth);
605 return;
606 }
607 sc->sc_master_cntl = R128_GMC_CLR_CMP_CNTL_DIS |
608 R128_GMC_AUX_CLIP_DIS | datatype;
609
610 r128fb_flush_engine(sc);
611 }
612
613 static void
614 r128fb_rectfill(struct r128fb_softc *sc, int x, int y, int wi, int he,
615 uint32_t colour)
616 {
617
618 r128fb_wait(sc, 6);
619 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL,
620 R128_GMC_BRUSH_SOLID_COLOR |
621 R128_GMC_SRC_DATATYPE_COLOR |
622 R128_ROP3_P |
623 sc->sc_master_cntl);
624
625 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_BRUSH_FRGD_CLR,
626 colour);
627 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL,
628 R128_DST_X_LEFT_TO_RIGHT | R128_DST_Y_TOP_TO_BOTTOM);
629 /* now feed it coordinates */
630 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y,
631 (x << 16) | y);
632 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT,
633 (wi << 16) | he);
634 r128fb_flush_engine(sc);
635 }
636
637 static void
638 r128fb_bitblt(struct r128fb_softc *sc, int xs, int ys, int xd, int yd,
639 int wi, int he, int rop)
640 {
641 uint32_t dp_cntl = 0;
642
643 r128fb_wait(sc, 5);
644 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_GUI_MASTER_CNTL,
645 R128_GMC_BRUSH_SOLID_COLOR |
646 R128_GMC_SRC_DATATYPE_COLOR |
647 rop |
648 R128_DP_SRC_SOURCE_MEMORY |
649 sc->sc_master_cntl);
650
651 if (yd <= ys) {
652 dp_cntl = R128_DST_Y_TOP_TO_BOTTOM;
653 } else {
654 ys += he - 1;
655 yd += he - 1;
656 }
657 if (xd <= xs) {
658 dp_cntl |= R128_DST_X_LEFT_TO_RIGHT;
659 } else {
660 xs += wi - 1;
661 xd += wi - 1;
662 }
663 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DP_CNTL, dp_cntl);
664
665 /* now feed it coordinates */
666 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_SRC_X_Y,
667 (xs << 16) | ys);
668 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_X_Y,
669 (xd << 16) | yd);
670 bus_space_write_4(sc->sc_memt, sc->sc_regh, R128_DST_WIDTH_HEIGHT,
671 (wi << 16) | he);
672 r128fb_flush_engine(sc);
673 }
674
675 static void
676 r128fb_cursor(void *cookie, int on, int row, int col)
677 {
678 struct rasops_info *ri = cookie;
679 struct vcons_screen *scr = ri->ri_hw;
680 struct r128fb_softc *sc = scr->scr_cookie;
681 int x, y, wi, he;
682
683 wi = ri->ri_font->fontwidth;
684 he = ri->ri_font->fontheight;
685
686 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
687 x = ri->ri_ccol * wi + ri->ri_xorigin;
688 y = ri->ri_crow * he + ri->ri_yorigin;
689 if (ri->ri_flg & RI_CURSOR) {
690 r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn);
691 ri->ri_flg &= ~RI_CURSOR;
692 }
693 ri->ri_crow = row;
694 ri->ri_ccol = col;
695 if (on) {
696 x = ri->ri_ccol * wi + ri->ri_xorigin;
697 y = ri->ri_crow * he + ri->ri_yorigin;
698 r128fb_bitblt(sc, x, y, x, y, wi, he, R128_ROP3_Dn);
699 ri->ri_flg |= RI_CURSOR;
700 }
701 } else {
702 scr->scr_ri.ri_crow = row;
703 scr->scr_ri.ri_ccol = col;
704 scr->scr_ri.ri_flg &= ~RI_CURSOR;
705 }
706
707 }
708
709 #if 0
710 static void
711 r128fb_putchar(void *cookie, int row, int col, u_int c, long attr)
712 {
713 }
714 #endif
715
716 static void
717 r128fb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
718 {
719 struct rasops_info *ri = cookie;
720 struct vcons_screen *scr = ri->ri_hw;
721 struct r128fb_softc *sc = scr->scr_cookie;
722 int32_t xs, xd, y, width, height;
723
724 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
725 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
726 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
727 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
728 width = ri->ri_font->fontwidth * ncols;
729 height = ri->ri_font->fontheight;
730 r128fb_bitblt(sc, xs, y, xd, y, width, height, R128_ROP3_S);
731 }
732 }
733
734 static void
735 r128fb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
736 {
737 struct rasops_info *ri = cookie;
738 struct vcons_screen *scr = ri->ri_hw;
739 struct r128fb_softc *sc = scr->scr_cookie;
740 int32_t x, y, width, height, fg, bg, ul;
741
742 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
743 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
744 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
745 width = ri->ri_font->fontwidth * ncols;
746 height = ri->ri_font->fontheight;
747 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
748
749 r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
750 }
751 }
752
753 static void
754 r128fb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
755 {
756 struct rasops_info *ri = cookie;
757 struct vcons_screen *scr = ri->ri_hw;
758 struct r128fb_softc *sc = scr->scr_cookie;
759 int32_t x, ys, yd, width, height;
760
761 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
762 x = ri->ri_xorigin;
763 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
764 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
765 width = ri->ri_emuwidth;
766 height = ri->ri_font->fontheight*nrows;
767 r128fb_bitblt(sc, x, ys, x, yd, width, height, R128_ROP3_S);
768 }
769 }
770
771 static void
772 r128fb_eraserows(void *cookie, int row, int nrows, long fillattr)
773 {
774 struct rasops_info *ri = cookie;
775 struct vcons_screen *scr = ri->ri_hw;
776 struct r128fb_softc *sc = scr->scr_cookie;
777 int32_t x, y, width, height, fg, bg, ul;
778
779 if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
780 x = ri->ri_xorigin;
781 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
782 width = ri->ri_emuwidth;
783 height = ri->ri_font->fontheight * nrows;
784 rasops_unpack_attr(fillattr, &fg, &bg, &ul);
785
786 r128fb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
787 }
788 }
789
NetBSD on the FriendlyARM MINI2440