p9100.c revision 1.37.4.5 1 /* $NetBSD: p9100.c,v 1.37.4.5 2009/09/16 13:37:57 yamt Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 2005, 2006 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Matt Thomas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*
33 * color display (p9100) driver.
34 *
35 * Does not handle interrupts, even though they can occur.
36 *
37 * XXX should defer colormap updates to vertical retrace interrupts
38 */
39
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: p9100.c,v 1.37.4.5 2009/09/16 13:37:57 yamt Exp $");
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/buf.h>
46 #include <sys/device.h>
47 #include <sys/ioctl.h>
48 #include <sys/malloc.h>
49 #include <sys/mman.h>
50 #include <sys/tty.h>
51 #include <sys/conf.h>
52
53 #include <sys/bus.h>
54 #include <machine/autoconf.h>
55
56 #include <dev/sun/fbio.h>
57 #include <dev/sun/fbvar.h>
58 #include <dev/sun/btreg.h>
59 #include <dev/sun/btvar.h>
60
61 #include <dev/sbus/p9100reg.h>
62
63 #include <dev/sbus/sbusvar.h>
64
65 #include <dev/wscons/wsdisplayvar.h>
66 #include <dev/wscons/wsconsio.h>
67 #include <dev/wsfont/wsfont.h>
68 #include <dev/rasops/rasops.h>
69
70 #include <dev/wscons/wsdisplay_vconsvar.h>
71
72 #include "opt_wsemul.h"
73 #include "rasops_glue.h"
74 #include "opt_pnozz.h"
75
76 #include "tctrl.h"
77 #if NTCTRL > 0
78 #include <machine/tctrl.h>
79 #include <sparc/dev/tctrlvar.h> /*XXX*/
80 #endif
81
82 #ifdef PNOZZ_DEBUG
83 #define DPRINTF aprint_normal
84 #else
85 #define DPRINTF while (0) aprint_normal
86 #endif
87
88 struct pnozz_cursor {
89 short pc_enable; /* cursor is enabled */
90 struct fbcurpos pc_pos; /* position */
91 struct fbcurpos pc_hot; /* hot-spot */
92 struct fbcurpos pc_size; /* size of mask & image fields */
93 uint32_t pc_bits[0x100]; /* space for mask & image bits */
94 unsigned char red[3], green[3];
95 unsigned char blue[3]; /* cursor palette */
96 };
97
98 /* per-display variables */
99 struct p9100_softc {
100 device_t sc_dev; /* base device */
101 struct sbusdev sc_sd; /* sbus device */
102 struct fbdevice sc_fb; /* frame buffer device */
103
104 bus_space_tag_t sc_bustag;
105
106 bus_addr_t sc_ctl_paddr; /* phys address description */
107 bus_size_t sc_ctl_psize; /* for device mmap() */
108 bus_space_handle_t sc_ctl_memh; /* bus space handle */
109
110 bus_addr_t sc_fb_paddr; /* phys address description */
111 bus_size_t sc_fb_psize; /* for device mmap() */
112 bus_space_handle_t sc_fb_memh; /* bus space handle */
113
114 volatile uint32_t sc_junk;
115 uint32_t sc_mono_width; /* for setup_mono */
116
117 uint32_t sc_width;
118 uint32_t sc_height; /* panel width / height */
119 uint32_t sc_stride;
120 uint32_t sc_depth;
121 int sc_depthshift; /* blitter works on bytes not pixels */
122
123 union bt_cmap sc_cmap; /* Brooktree color map */
124
125 struct pnozz_cursor sc_cursor;
126
127 int sc_mode;
128 int sc_video, sc_powerstate;
129 uint32_t sc_bg;
130 volatile uint32_t sc_last_offset;
131 struct vcons_data vd;
132 uint8_t sc_dac_power;
133 };
134
135
136 static struct vcons_screen p9100_console_screen;
137
138 extern const u_char rasops_cmap[768];
139
140 struct wsscreen_descr p9100_defscreendesc = {
141 "default",
142 0, 0,
143 NULL,
144 8, 16,
145 WSSCREEN_WSCOLORS,
146 };
147
148 const struct wsscreen_descr *_p9100_scrlist[] = {
149 &p9100_defscreendesc,
150 /* XXX other formats, graphics screen? */
151 };
152
153 struct wsscreen_list p9100_screenlist = {
154 sizeof(_p9100_scrlist) / sizeof(struct wsscreen_descr *),
155 _p9100_scrlist
156 };
157
158 /* autoconfiguration driver */
159 static int p9100_sbus_match(device_t, cfdata_t, void *);
160 static void p9100_sbus_attach(device_t, device_t, void *);
161
162 static void p9100unblank(device_t);
163
164 CFATTACH_DECL_NEW(pnozz, sizeof(struct p9100_softc),
165 p9100_sbus_match, p9100_sbus_attach, NULL, NULL);
166
167 extern struct cfdriver pnozz_cd;
168
169 static dev_type_open(p9100open);
170 static dev_type_ioctl(p9100ioctl);
171 static dev_type_mmap(p9100mmap);
172
173 const struct cdevsw pnozz_cdevsw = {
174 p9100open, nullclose, noread, nowrite, p9100ioctl,
175 nostop, notty, nopoll, p9100mmap, nokqfilter,
176 };
177
178 /* frame buffer generic driver */
179 static struct fbdriver p9100fbdriver = {
180 p9100unblank, p9100open, nullclose, p9100ioctl, nopoll,
181 p9100mmap, nokqfilter
182 };
183
184 static void p9100loadcmap(struct p9100_softc *, int, int);
185 static void p9100_set_video(struct p9100_softc *, int);
186 static int p9100_get_video(struct p9100_softc *);
187 static uint32_t p9100_ctl_read_4(struct p9100_softc *, bus_size_t);
188 static void p9100_ctl_write_4(struct p9100_softc *, bus_size_t, uint32_t);
189 static uint8_t p9100_ramdac_read(struct p9100_softc *, bus_size_t);
190 static void p9100_ramdac_write(struct p9100_softc *, bus_size_t, uint8_t);
191
192 static uint8_t p9100_ramdac_read_ctl(struct p9100_softc *, int);
193 static void p9100_ramdac_write_ctl(struct p9100_softc *, int, uint8_t);
194
195 static void p9100_init_engine(struct p9100_softc *);
196 static int p9100_set_depth(struct p9100_softc *, int);
197
198 #if NWSDISPLAY > 0
199 static void p9100_sync(struct p9100_softc *);
200 static void p9100_bitblt(void *, int, int, int, int, int, int, uint32_t);
201 static void p9100_rectfill(void *, int, int, int, int, uint32_t);
202 static void p9100_clearscreen(struct p9100_softc *);
203
204 static void p9100_setup_mono(struct p9100_softc *, int, int, int, int,
205 uint32_t, uint32_t);
206 static void p9100_feed_line(struct p9100_softc *, int, uint8_t *);
207 static void p9100_set_color_reg(struct p9100_softc *, int, int32_t);
208
209 static void p9100_copycols(void *, int, int, int, int);
210 static void p9100_erasecols(void *, int, int, int, long);
211 static void p9100_copyrows(void *, int, int, int);
212 static void p9100_eraserows(void *, int, int, long);
213 /*static int p9100_mapchar(void *, int, u_int *);*/
214 static void p9100_putchar(void *, int, int, u_int, long);
215 static void p9100_cursor(void *, int, int, int);
216 static int p9100_allocattr(void *, int, int, int, long *);
217
218 static int p9100_putcmap(struct p9100_softc *, struct wsdisplay_cmap *);
219 static int p9100_getcmap(struct p9100_softc *, struct wsdisplay_cmap *);
220 static int p9100_ioctl(void *, void *, u_long, void *, int, struct lwp *);
221 static paddr_t p9100_mmap(void *, void *, off_t, int);
222
223 /*static int p9100_load_font(void *, void *, struct wsdisplay_font *);*/
224
225 static void p9100_init_screen(void *, struct vcons_screen *, int,
226 long *);
227 #endif
228
229 static void p9100_init_cursor(struct p9100_softc *);
230
231 static void p9100_set_fbcursor(struct p9100_softc *);
232 static void p9100_setcursorcmap(struct p9100_softc *);
233 static void p9100_loadcursor(struct p9100_softc *);
234
235 #if 0
236 static int p9100_intr(void *);
237 #endif
238
239 /* power management stuff */
240 static bool p9100_suspend(device_t PMF_FN_PROTO);
241 static bool p9100_resume(device_t PMF_FN_PROTO);
242
243 #if NTCTRL > 0
244 static void p9100_set_extvga(void *, int);
245 #endif
246
247 #if NWSDISPLAY > 0
248 struct wsdisplay_accessops p9100_accessops = {
249 p9100_ioctl,
250 p9100_mmap,
251 NULL, /* vcons_alloc_screen */
252 NULL, /* vcons_free_screen */
253 NULL, /* vcons_show_screen */
254 NULL, /* load_font */
255 NULL, /* polls */
256 NULL, /* scroll */
257 };
258 #endif
259
260 #define PNOZZ_LATCH(sc, off) if(sc->sc_last_offset == (off & 0xffffff80)) { \
261 sc->sc_junk = bus_space_read_4(sc->sc_bustag, sc->sc_fb_memh, \
262 off); \
263 sc->sc_last_offset = off & 0xffffff80; }
264
265 /*
266 * Match a p9100.
267 */
268 static int
269 p9100_sbus_match(device_t parent, cfdata_t cf, void *aux)
270 {
271 struct sbus_attach_args *sa = aux;
272
273 if (strcmp("p9100", sa->sa_name) == 0)
274 return 100;
275 return 0;
276 }
277
278
279 /*
280 * Attach a display. We need to notice if it is the console, too.
281 */
282 static void
283 p9100_sbus_attach(device_t parent, device_t self, void *args)
284 {
285 struct p9100_softc *sc = device_private(self);
286 struct sbus_attach_args *sa = args;
287 struct fbdevice *fb = &sc->sc_fb;
288 int isconsole;
289 int node = sa->sa_node;
290 int i, j;
291 uint8_t ver;
292
293 #if NWSDISPLAY > 0
294 struct wsemuldisplaydev_attach_args aa;
295 struct rasops_info *ri;
296 unsigned long defattr;
297 #endif
298
299 sc->sc_last_offset = 0xffffffff;
300 sc->sc_dev = self;
301
302 /*
303 * When the ROM has mapped in a p9100 display, the address
304 * maps only the video RAM, so in any case we have to map the
305 * registers ourselves.
306 */
307
308 if (sa->sa_npromvaddrs != 0)
309 fb->fb_pixels = (void *)sa->sa_promvaddrs[0];
310
311 /* Remember cookies for p9100_mmap() */
312 sc->sc_bustag = sa->sa_bustag;
313
314 sc->sc_ctl_paddr = sbus_bus_addr(sa->sa_bustag,
315 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base);
316 sc->sc_ctl_psize = 0x8000;/*(bus_size_t)sa->sa_reg[0].oa_size;*/
317
318 sc->sc_fb_paddr = sbus_bus_addr(sa->sa_bustag,
319 sa->sa_reg[2].oa_space, sa->sa_reg[2].oa_base);
320 sc->sc_fb_psize = (bus_size_t)sa->sa_reg[2].oa_size;
321
322 if (sbus_bus_map(sc->sc_bustag,
323 sa->sa_reg[0].oa_space,
324 sa->sa_reg[0].oa_base,
325 /*
326 * XXX for some reason the SBus resources don't cover
327 * all registers, so we just map what we need
328 */
329 0x8000,
330 0, &sc->sc_ctl_memh) != 0) {
331 printf("%s: cannot map control registers\n",
332 self->dv_xname);
333 return;
334 }
335
336 /*
337 * we need to map the framebuffer even though we never write to it,
338 * thanks to some weirdness in the SPARCbook's SBus glue for the
339 * P9100 - all register accesses need to be 'latched in' whenever we
340 * go to another 0x80 aligned 'page' by reading the framebuffer at the
341 * same offset
342 */
343 if (fb->fb_pixels == NULL) {
344 if (sbus_bus_map(sc->sc_bustag,
345 sa->sa_reg[2].oa_space,
346 sa->sa_reg[2].oa_base,
347 sc->sc_fb_psize,
348 BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_LARGE,
349 &sc->sc_fb_memh) != 0) {
350 printf("%s: cannot map framebuffer\n",
351 self->dv_xname);
352 return;
353 }
354 fb->fb_pixels = (char *)sc->sc_fb_memh;
355 } else {
356 sc->sc_fb_memh = (bus_space_handle_t) fb->fb_pixels;
357 }
358 sc->sc_width = prom_getpropint(node, "width", 800);
359 sc->sc_height = prom_getpropint(node, "height", 600);
360 sc->sc_depth = prom_getpropint(node, "depth", 8) >> 3;
361
362 sc->sc_stride = prom_getpropint(node, "linebytes",
363 sc->sc_width * sc->sc_depth);
364
365 fb->fb_driver = &p9100fbdriver;
366 fb->fb_device = sc->sc_dev;
367 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK;
368 #ifdef PNOZZ_EMUL_CG3
369 fb->fb_type.fb_type = FBTYPE_SUN3COLOR;
370 #else
371 fb->fb_type.fb_type = FBTYPE_P9100;
372 #endif
373 fb->fb_pixels = NULL;
374
375 sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
376
377 isconsole = fb_is_console(node);
378 #if 0
379 if (!isconsole) {
380 aprint_normal("\n");
381 aprint_error_dev(self, "fatal error: PROM didn't configure device\n");
382 return;
383 }
384 #endif
385
386 fb->fb_type.fb_depth = 8;
387 sc->sc_depth = 1;
388 sc->sc_depthshift = 0;
389
390 /* check the RAMDAC */
391 ver = p9100_ramdac_read_ctl(sc, DAC_VERSION);
392
393 p9100_init_engine(sc);
394 p9100_set_depth(sc, 8);
395
396 fb_setsize_obp(fb, fb->fb_type.fb_depth, sc->sc_width, sc->sc_height,
397 node);
398
399 sbus_establish(&sc->sc_sd, sc->sc_dev);
400 #if 0
401 bus_intr_establish(sc->sc_bustag, sa->sa_pri, IPL_BIO,
402 p9100_intr, sc);
403 #endif
404
405 fb->fb_type.fb_cmsize = prom_getpropint(node, "cmsize", 256);
406 if ((1 << fb->fb_type.fb_depth) != fb->fb_type.fb_cmsize)
407 printf(", %d entry colormap", fb->fb_type.fb_cmsize);
408
409 /* Initialize the default color map. */
410 j = 0;
411 for (i = 0; i < 256; i++) {
412 sc->sc_cmap.cm_map[i][0] = rasops_cmap[j];
413 j++;
414 sc->sc_cmap.cm_map[i][1] = rasops_cmap[j];
415 j++;
416 sc->sc_cmap.cm_map[i][2] = rasops_cmap[j];
417 j++;
418 }
419 p9100loadcmap(sc, 0, 256);
420
421 /* make sure we are not blanked */
422 if (isconsole)
423 p9100_set_video(sc, 1);
424
425 /* register with power management */
426 sc->sc_video = 1;
427 sc->sc_powerstate = PWR_RESUME;
428 if (!pmf_device_register(self, p9100_suspend, p9100_resume)) {
429 panic("%s: could not register with PMF",
430 device_xname(sc->sc_dev));
431 }
432
433 if (isconsole) {
434 printf(" (console)\n");
435 #ifdef RASTERCONSOLE
436 /*p9100loadcmap(sc, 255, 1);*/
437 fbrcons_init(fb);
438 #endif
439 } else
440 printf("\n");
441
442 #if NWSDISPLAY > 0
443 wsfont_init();
444
445 vcons_init(&sc->vd, sc, &p9100_defscreendesc, &p9100_accessops);
446 sc->vd.init_screen = p9100_init_screen;
447
448 vcons_init_screen(&sc->vd, &p9100_console_screen, 1, &defattr);
449 p9100_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
450
451 sc->sc_bg = (defattr >> 16) & 0xff;
452 p9100_clearscreen(sc);
453
454 ri = &p9100_console_screen.scr_ri;
455
456 p9100_defscreendesc.nrows = ri->ri_rows;
457 p9100_defscreendesc.ncols = ri->ri_cols;
458 p9100_defscreendesc.textops = &ri->ri_ops;
459 p9100_defscreendesc.capabilities = ri->ri_caps;
460
461 if(isconsole) {
462 wsdisplay_cnattach(&p9100_defscreendesc, ri, 0, 0, defattr);
463 vcons_replay_msgbuf(&p9100_console_screen);
464 }
465
466 aa.console = isconsole;
467 aa.scrdata = &p9100_screenlist;
468 aa.accessops = &p9100_accessops;
469 aa.accesscookie = &sc->vd;
470
471 config_found(self, &aa, wsemuldisplaydevprint);
472 #endif
473 fb->fb_type.fb_size = fb->fb_type.fb_height * fb->fb_linebytes;
474 printf("%s: rev %d / %x, %dx%d, depth %d mem %x\n",
475 device_xname(self),
476 (i & 7), ver, fb->fb_type.fb_width, fb->fb_type.fb_height,
477 fb->fb_type.fb_depth, (unsigned int)sc->sc_fb_psize);
478 /* cursor sprite handling */
479 p9100_init_cursor(sc);
480
481 /* attach the fb */
482 fb_attach(fb, isconsole);
483
484 #if NTCTRL > 0
485 /* register callback for external monitor status change */
486 tadpole_register_callback(p9100_set_extvga, sc);
487 #endif
488 }
489
490 int
491 p9100open(dev_t dev, int flags, int mode, struct lwp *l)
492 {
493 int unit = minor(dev);
494
495 if (device_lookup(&pnozz_cd, unit) == NULL)
496 return (ENXIO);
497 return (0);
498 }
499
500 int
501 p9100ioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l)
502 {
503 struct p9100_softc *sc = device_lookup_private(&pnozz_cd, minor(dev));
504 struct fbgattr *fba;
505 int error, v;
506
507 switch (cmd) {
508
509 case FBIOGTYPE:
510 *(struct fbtype *)data = sc->sc_fb.fb_type;
511 break;
512
513 case FBIOGATTR:
514 fba = (struct fbgattr *)data;
515 fba->real_type = sc->sc_fb.fb_type.fb_type;
516 fba->owner = 0; /* XXX ??? */
517 fba->fbtype = sc->sc_fb.fb_type;
518 fba->sattr.flags = 0;
519 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type;
520 fba->sattr.dev_specific[0] = -1;
521 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type;
522 fba->emu_types[1] = -1;
523 break;
524
525 case FBIOGETCMAP:
526 #define p ((struct fbcmap *)data)
527 return (bt_getcmap(p, &sc->sc_cmap, 256, 1));
528
529 case FBIOPUTCMAP:
530 /* copy to software map */
531 error = bt_putcmap(p, &sc->sc_cmap, 256, 1);
532 if (error)
533 return (error);
534 /* now blast them into the chip */
535 /* XXX should use retrace interrupt */
536 p9100loadcmap(sc, p->index, p->count);
537 #undef p
538 break;
539
540 case FBIOGVIDEO:
541 *(int *)data = p9100_get_video(sc);
542 break;
543
544 case FBIOSVIDEO:
545 p9100_set_video(sc, *(int *)data);
546 break;
547
548 /* these are for both FBIOSCURSOR and FBIOGCURSOR */
549 #define p ((struct fbcursor *)data)
550 #define pc (&sc->sc_cursor)
551
552 case FBIOGCURSOR:
553 p->set = FB_CUR_SETALL; /* close enough, anyway */
554 p->enable = pc->pc_enable;
555 p->pos = pc->pc_pos;
556 p->hot = pc->pc_hot;
557 p->size = pc->pc_size;
558
559 if (p->image != NULL) {
560 error = copyout(pc->pc_bits, p->image, 0x200);
561 if (error)
562 return error;
563 error = copyout(&pc->pc_bits[0x80], p->mask, 0x200);
564 if (error)
565 return error;
566 }
567
568 p->cmap.index = 0;
569 p->cmap.count = 3;
570 if (p->cmap.red != NULL) {
571 copyout(pc->red, p->cmap.red, 3);
572 copyout(pc->green, p->cmap.green, 3);
573 copyout(pc->blue, p->cmap.blue, 3);
574 }
575 break;
576
577 case FBIOSCURSOR:
578 {
579 int count;
580 uint32_t image[0x80], mask[0x80];
581 uint8_t red[3], green[3], blue[3];
582
583 v = p->set;
584 if (v & FB_CUR_SETCMAP) {
585 error = copyin(p->cmap.red, red, 3);
586 error |= copyin(p->cmap.green, green, 3);
587 error |= copyin(p->cmap.blue, blue, 3);
588 if (error)
589 return error;
590 }
591 if (v & FB_CUR_SETSHAPE) {
592 if (p->size.x > 64 || p->size.y > 64)
593 return EINVAL;
594 memset(&mask, 0, 0x200);
595 memset(&image, 0, 0x200);
596 count = p->size.y * 8;
597 error = copyin(p->image, image, count);
598 if (error)
599 return error;
600 error = copyin(p->mask, mask, count);
601 if (error)
602 return error;
603 }
604
605 /* parameters are OK; do it */
606 if (v & (FB_CUR_SETCUR | FB_CUR_SETPOS | FB_CUR_SETHOT)) {
607 if (v & FB_CUR_SETCUR)
608 pc->pc_enable = p->enable;
609 if (v & FB_CUR_SETPOS)
610 pc->pc_pos = p->pos;
611 if (v & FB_CUR_SETHOT)
612 pc->pc_hot = p->hot;
613 p9100_set_fbcursor(sc);
614 }
615
616 if (v & FB_CUR_SETCMAP) {
617 memcpy(pc->red, red, 3);
618 memcpy(pc->green, green, 3);
619 memcpy(pc->blue, blue, 3);
620 p9100_setcursorcmap(sc);
621 }
622
623 if (v & FB_CUR_SETSHAPE) {
624 memcpy(pc->pc_bits, image, 0x200);
625 memcpy(&pc->pc_bits[0x80], mask, 0x200);
626 p9100_loadcursor(sc);
627 }
628 }
629 break;
630
631 #undef p
632 #undef cc
633
634 case FBIOGCURPOS:
635 *(struct fbcurpos *)data = sc->sc_cursor.pc_pos;
636 break;
637
638 case FBIOSCURPOS:
639 sc->sc_cursor.pc_pos = *(struct fbcurpos *)data;
640 p9100_set_fbcursor(sc);
641 break;
642
643 case FBIOGCURMAX:
644 /* max cursor size is 64x64 */
645 ((struct fbcurpos *)data)->x = 64;
646 ((struct fbcurpos *)data)->y = 64;
647 break;
648
649 default:
650 return (ENOTTY);
651 }
652 return (0);
653 }
654
655 static uint32_t
656 p9100_ctl_read_4(struct p9100_softc *sc, bus_size_t off)
657 {
658
659 PNOZZ_LATCH(sc, off);
660 return bus_space_read_4(sc->sc_bustag, sc->sc_ctl_memh, off);
661 }
662
663 static void
664 p9100_ctl_write_4(struct p9100_softc *sc, bus_size_t off, uint32_t v)
665 {
666
667 PNOZZ_LATCH(sc, off);
668 bus_space_write_4(sc->sc_bustag, sc->sc_ctl_memh, off, v);
669 }
670
671 /* initialize the drawing engine */
672 static void
673 p9100_init_engine(struct p9100_softc *sc)
674 {
675 /* reset clipping rectangles */
676 uint32_t rmax = ((sc->sc_width & 0x3fff) << 16) |
677 (sc->sc_height & 0x3fff);
678
679 sc->sc_last_offset = 0xffffffff;
680
681 p9100_ctl_write_4(sc, WINDOW_OFFSET, 0);
682 p9100_ctl_write_4(sc, WINDOW_MIN, 0);
683 p9100_ctl_write_4(sc, WINDOW_MAX, rmax);
684 p9100_ctl_write_4(sc, BYTE_CLIP_MIN, 0);
685 p9100_ctl_write_4(sc, BYTE_CLIP_MAX, rmax);
686 p9100_ctl_write_4(sc, DRAW_MODE, 0);
687 p9100_ctl_write_4(sc, PLANE_MASK, 0xffffffff);
688 p9100_ctl_write_4(sc, PATTERN0, 0xffffffff);
689 p9100_ctl_write_4(sc, PATTERN1, 0xffffffff);
690 p9100_ctl_write_4(sc, PATTERN2, 0xffffffff);
691 p9100_ctl_write_4(sc, PATTERN3, 0xffffffff);
692
693 }
694
695 /* we only need these in the wsdisplay case */
696 #if NWSDISPLAY > 0
697
698 /* wait until the engine is idle */
699 static void
700 p9100_sync(struct p9100_softc *sc)
701 {
702 while((p9100_ctl_read_4(sc, ENGINE_STATUS) &
703 (ENGINE_BUSY | BLITTER_BUSY)) != 0);
704 }
705
706 static void
707 p9100_set_color_reg(struct p9100_softc *sc, int reg, int32_t col)
708 {
709 uint32_t out;
710
711 switch(sc->sc_depth)
712 {
713 case 1: /* 8 bit */
714 out = (col << 8) | col;
715 out |= out << 16;
716 break;
717 case 2: /* 16 bit */
718 out = col | (col << 16);
719 break;
720 default:
721 out = col;
722 }
723 p9100_ctl_write_4(sc, reg, out);
724 }
725
726 /* screen-to-screen blit */
727 static void
728 p9100_bitblt(void *cookie, int xs, int ys, int xd, int yd, int wi,
729 int he, uint32_t rop)
730 {
731 struct p9100_softc *sc = cookie;
732 uint32_t src, dst, srcw, dstw;
733
734 sc->sc_last_offset = 0xffffffff;
735
736 src = ((xs & 0x3fff) << 16) | (ys & 0x3fff);
737 dst = ((xd & 0x3fff) << 16) | (yd & 0x3fff);
738 srcw = (((xs + wi - 1) & 0x3fff) << 16) | ((ys + he - 1) & 0x3fff);
739 dstw = (((xd + wi - 1) & 0x3fff) << 16) | ((yd + he - 1) & 0x3fff);
740
741 p9100_sync(sc);
742
743 p9100_ctl_write_4(sc, RASTER_OP, rop);
744
745 p9100_ctl_write_4(sc, ABS_XY0, src << sc->sc_depthshift);
746 p9100_ctl_write_4(sc, ABS_XY1, srcw << sc->sc_depthshift);
747 p9100_ctl_write_4(sc, ABS_XY2, dst << sc->sc_depthshift);
748 p9100_ctl_write_4(sc, ABS_XY3, dstw << sc->sc_depthshift);
749
750 sc->sc_junk = p9100_ctl_read_4(sc, COMMAND_BLIT);
751 }
752
753 /* solid rectangle fill */
754 static void
755 p9100_rectfill(void *cookie, int xs, int ys, int wi, int he, uint32_t col)
756 {
757 struct p9100_softc *sc = cookie;
758 uint32_t src, srcw;
759
760 sc->sc_last_offset = 0xffffffff;
761
762 src = ((xs & 0x3fff) << 16) | (ys & 0x3fff);
763 srcw = (((xs + wi) & 0x3fff) << 16) | ((ys + he) & 0x3fff);
764 p9100_sync(sc);
765 p9100_set_color_reg(sc, FOREGROUND_COLOR, col);
766 p9100_set_color_reg(sc, BACKGROUND_COLOR, col);
767 p9100_ctl_write_4(sc, RASTER_OP, ROP_PAT);
768 p9100_ctl_write_4(sc, COORD_INDEX, 0);
769 p9100_ctl_write_4(sc, RECT_RTW_XY, src);
770 p9100_ctl_write_4(sc, RECT_RTW_XY, srcw);
771 sc->sc_junk = p9100_ctl_read_4(sc, COMMAND_QUAD);
772 }
773
774 /* setup for mono->colour expansion */
775 static void
776 p9100_setup_mono(struct p9100_softc *sc, int x, int y, int wi, int he,
777 uint32_t fg, uint32_t bg)
778 {
779
780 sc->sc_last_offset = 0xffffffff;
781
782 p9100_sync(sc);
783 /*
784 * this doesn't make any sense to me either, but for some reason the
785 * chip applies the foreground colour to 0 pixels
786 */
787
788 p9100_set_color_reg(sc,FOREGROUND_COLOR,bg);
789 p9100_set_color_reg(sc,BACKGROUND_COLOR,fg);
790
791 p9100_ctl_write_4(sc, RASTER_OP, ROP_SRC);
792 p9100_ctl_write_4(sc, ABS_X0, x);
793 p9100_ctl_write_4(sc, ABS_XY1, (x << 16) | (y & 0xFFFFL));
794 p9100_ctl_write_4(sc, ABS_X2, (x + wi));
795 p9100_ctl_write_4(sc, ABS_Y3, he);
796 /* now feed the data into the chip */
797 sc->sc_mono_width = wi;
798 }
799
800 /* write monochrome data to the screen through the blitter */
801 static void
802 p9100_feed_line(struct p9100_softc *sc, int count, uint8_t *data)
803 {
804 int i;
805 uint32_t latch = 0, bork;
806 int shift = 24;
807 int to_go = sc->sc_mono_width;
808
809 PNOZZ_LATCH(sc, PIXEL_1);
810
811 for (i = 0; i < count; i++) {
812 bork = data[i];
813 latch |= (bork << shift);
814 if (shift == 0) {
815 /* check how many bits are significant */
816 if (to_go > 31) {
817 bus_space_write_4(sc->sc_bustag,
818 sc->sc_ctl_memh,
819 (PIXEL_1 + (31 << 2)), latch);
820 to_go -= 32;
821 } else
822 {
823 bus_space_write_4(sc->sc_bustag,
824 sc->sc_ctl_memh,
825 (PIXEL_1 + ((to_go - 1) << 2)), latch);
826 to_go = 0;
827 }
828 latch = 0;
829 shift = 24;
830 } else
831 shift -= 8;
832 }
833 if (shift != 24)
834 p9100_ctl_write_4(sc, (PIXEL_1 + ((to_go - 1) << 2)), latch);
835 }
836
837 static void
838 p9100_clearscreen(struct p9100_softc *sc)
839 {
840
841 p9100_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, sc->sc_bg);
842 }
843 #endif /* NWSDISPLAY > 0 */
844
845 static uint8_t
846 p9100_ramdac_read(struct p9100_softc *sc, bus_size_t off)
847 {
848
849 sc->sc_junk = p9100_ctl_read_4(sc, PWRUP_CNFG);
850 return ((bus_space_read_4(sc->sc_bustag,
851 sc->sc_ctl_memh, off) >> 16) & 0xff);
852 }
853
854 static void
855 p9100_ramdac_write(struct p9100_softc *sc, bus_size_t off, uint8_t v)
856 {
857
858 sc->sc_junk = p9100_ctl_read_4(sc, PWRUP_CNFG);
859 bus_space_write_4(sc->sc_bustag, sc->sc_ctl_memh, off,
860 ((uint32_t)v) << 16);
861 }
862
863 static uint8_t
864 p9100_ramdac_read_ctl(struct p9100_softc *sc, int off)
865 {
866 p9100_ramdac_write(sc, DAC_INDX_LO, off & 0xff);
867 p9100_ramdac_write(sc, DAC_INDX_HI, (off & 0xff00) >> 8);
868 return p9100_ramdac_read(sc, DAC_INDX_DATA);
869 }
870
871 static void
872 p9100_ramdac_write_ctl(struct p9100_softc *sc, int off, uint8_t val)
873 {
874 p9100_ramdac_write(sc, DAC_INDX_LO, off & 0xff);
875 p9100_ramdac_write(sc, DAC_INDX_HI, (off & 0xff00) >> 8);
876 p9100_ramdac_write(sc, DAC_INDX_DATA, val);
877 }
878
879 /*
880 * Undo the effect of an FBIOSVIDEO that turns the video off.
881 */
882 static void
883 p9100unblank(device_t dev)
884 {
885 struct p9100_softc *sc = device_private(dev);
886
887 p9100_set_video(sc, 1);
888
889 /*
890 * Check if we're in terminal mode. If not force the console screen
891 * to front so we can see ddb, panic messages and so on
892 */
893 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) {
894 sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
895 if (sc->vd.active != &p9100_console_screen) {
896 SCREEN_INVISIBLE(sc->vd.active);
897 sc->vd.active = &p9100_console_screen;
898 SCREEN_VISIBLE(&p9100_console_screen);
899 }
900 p9100_init_engine(sc);
901 p9100_set_depth(sc, 8);
902 vcons_redraw_screen(&p9100_console_screen);
903 }
904 }
905
906 static void
907 p9100_set_video(struct p9100_softc *sc, int enable)
908 {
909 u_int32_t v = p9100_ctl_read_4(sc, SCRN_RPNT_CTL_1);
910
911 if (enable)
912 v |= VIDEO_ENABLED;
913 else
914 v &= ~VIDEO_ENABLED;
915 p9100_ctl_write_4(sc, SCRN_RPNT_CTL_1, v);
916 #if NTCTRL > 0
917 /* Turn On/Off the TFT if we know how.
918 */
919 tadpole_set_video(enable);
920 #endif
921 }
922
923 static int
924 p9100_get_video(struct p9100_softc *sc)
925 {
926 return (p9100_ctl_read_4(sc, SCRN_RPNT_CTL_1) & VIDEO_ENABLED) != 0;
927 }
928
929 static bool
930 p9100_suspend(device_t dev PMF_FN_ARGS)
931 {
932 struct p9100_softc *sc = device_private(dev);
933
934 if (sc->sc_powerstate == PWR_SUSPEND)
935 return TRUE;
936
937 sc->sc_video = p9100_get_video(sc);
938 sc->sc_dac_power = p9100_ramdac_read_ctl(sc, DAC_POWER_MGT);
939 p9100_ramdac_write_ctl(sc, DAC_POWER_MGT,
940 DAC_POWER_SCLK_DISABLE |
941 DAC_POWER_DDOT_DISABLE |
942 DAC_POWER_SYNC_DISABLE |
943 DAC_POWER_ICLK_DISABLE |
944 DAC_POWER_IPWR_DISABLE);
945 p9100_set_video(sc, 0);
946 sc->sc_powerstate = PWR_SUSPEND;
947 return TRUE;
948 }
949
950 static bool
951 p9100_resume(device_t dev PMF_FN_ARGS)
952 {
953 struct p9100_softc *sc = device_private(dev);
954
955 if (sc->sc_powerstate == PWR_RESUME)
956 return TRUE;
957
958 p9100_ramdac_write_ctl(sc, DAC_POWER_MGT, sc->sc_dac_power);
959 p9100_set_video(sc, sc->sc_video);
960
961 sc->sc_powerstate = PWR_RESUME;
962 return TRUE;
963 }
964
965 /*
966 * Load a subset of the current (new) colormap into the IBM RAMDAC.
967 */
968 static void
969 p9100loadcmap(struct p9100_softc *sc, int start, int ncolors)
970 {
971 int i;
972 sc->sc_last_offset = 0xffffffff;
973
974 p9100_ramdac_write(sc, DAC_CMAP_WRIDX, start);
975
976 for (i=0;i<ncolors;i++) {
977 p9100_ramdac_write(sc, DAC_CMAP_DATA,
978 sc->sc_cmap.cm_map[i + start][0]);
979 p9100_ramdac_write(sc, DAC_CMAP_DATA,
980 sc->sc_cmap.cm_map[i + start][1]);
981 p9100_ramdac_write(sc, DAC_CMAP_DATA,
982 sc->sc_cmap.cm_map[i + start][2]);
983 }
984 }
985
986 /*
987 * Return the address that would map the given device at the given
988 * offset, allowing for the given protection, or return -1 for error.
989 */
990 static paddr_t
991 p9100mmap(dev_t dev, off_t off, int prot)
992 {
993 struct p9100_softc *sc = device_lookup_private(&pnozz_cd, minor(dev));
994
995 if (off & PGOFSET)
996 panic("p9100mmap");
997 if (off < 0)
998 return (-1);
999
1000 #ifdef PNOZZ_EMUL_CG3
1001 #define CG3_MMAP_OFFSET 0x04000000
1002 /* Make Xsun think we are a CG3 (SUN3COLOR)
1003 */
1004 if (off >= CG3_MMAP_OFFSET && off < CG3_MMAP_OFFSET + sc->sc_fb_psize) {
1005 off -= CG3_MMAP_OFFSET;
1006 return (bus_space_mmap(sc->sc_bustag,
1007 sc->sc_fb_paddr,
1008 off,
1009 prot,
1010 BUS_SPACE_MAP_LINEAR));
1011 }
1012 #endif
1013
1014 if (off >= sc->sc_fb_psize + sc->sc_ctl_psize/* + sc->sc_cmd_psize*/)
1015 return (-1);
1016
1017 if (off < sc->sc_fb_psize) {
1018 return (bus_space_mmap(sc->sc_bustag,
1019 sc->sc_fb_paddr,
1020 off,
1021 prot,
1022 BUS_SPACE_MAP_LINEAR));
1023 }
1024
1025 off -= sc->sc_fb_psize;
1026 if (off < sc->sc_ctl_psize) {
1027 return (bus_space_mmap(sc->sc_bustag,
1028 sc->sc_ctl_paddr,
1029 off,
1030 prot,
1031 BUS_SPACE_MAP_LINEAR));
1032 }
1033
1034 return EINVAL;
1035 }
1036
1037 /* wscons stuff */
1038 #if NWSDISPLAY > 0
1039
1040 static void
1041 p9100_cursor(void *cookie, int on, int row, int col)
1042 {
1043 struct rasops_info *ri = cookie;
1044 struct vcons_screen *scr = ri->ri_hw;
1045 struct p9100_softc *sc = scr->scr_cookie;
1046 int x, y, wi,he;
1047
1048 wi = ri->ri_font->fontwidth;
1049 he = ri->ri_font->fontheight;
1050
1051 if (ri->ri_flg & RI_CURSOR) {
1052 x = ri->ri_ccol * wi + ri->ri_xorigin;
1053 y = ri->ri_crow * he + ri->ri_yorigin;
1054 p9100_bitblt(sc, x, y, x, y, wi, he, ROP_SRC ^ 0xff);
1055 ri->ri_flg &= ~RI_CURSOR;
1056 }
1057
1058 ri->ri_crow = row;
1059 ri->ri_ccol = col;
1060
1061 if (on)
1062 {
1063 x = ri->ri_ccol * wi + ri->ri_xorigin;
1064 y = ri->ri_crow * he + ri->ri_yorigin;
1065 p9100_bitblt(sc, x, y, x, y, wi, he, ROP_SRC ^ 0xff);
1066 ri->ri_flg |= RI_CURSOR;
1067 }
1068 }
1069
1070 #if 0
1071 static int
1072 p9100_mapchar(void *cookie, int uni, u_int *index)
1073 {
1074 return 0;
1075 }
1076 #endif
1077
1078 static void
1079 p9100_putchar(void *cookie, int row, int col, u_int c, long attr)
1080 {
1081 struct rasops_info *ri = cookie;
1082 struct vcons_screen *scr = ri->ri_hw;
1083 struct p9100_softc *sc = scr->scr_cookie;
1084
1085 int fg, bg, uc, i;
1086 uint8_t *data;
1087 int x, y, wi, he;
1088
1089 wi = ri->ri_font->fontwidth;
1090 he = ri->ri_font->fontheight;
1091
1092 if (!CHAR_IN_FONT(c, ri->ri_font))
1093 return;
1094
1095 bg = (u_char)ri->ri_devcmap[(attr >> 16) & 0xff];
1096 fg = (u_char)ri->ri_devcmap[(attr >> 24) & 0xff];
1097 x = ri->ri_xorigin + col * wi;
1098 y = ri->ri_yorigin + row * he;
1099
1100 if (c == 0x20) {
1101 p9100_rectfill(sc, x, y, wi, he, bg);
1102 } else {
1103 uc = c-ri->ri_font->firstchar;
1104 data = (uint8_t *)ri->ri_font->data + uc *
1105 ri->ri_fontscale;
1106
1107 p9100_setup_mono(sc, x, y, wi, 1, fg, bg);
1108 for (i = 0; i < he; i++) {
1109 p9100_feed_line(sc, ri->ri_font->stride,
1110 data);
1111 data += ri->ri_font->stride;
1112 }
1113 }
1114 }
1115
1116 /*
1117 * wsdisplay_accessops
1118 */
1119
1120 int
1121 p9100_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
1122 struct lwp *l)
1123 {
1124 struct vcons_data *vd = v;
1125 struct p9100_softc *sc = vd->cookie;
1126 struct wsdisplay_fbinfo *wdf;
1127 struct vcons_screen *ms = vd->active;
1128
1129 switch (cmd) {
1130 case WSDISPLAYIO_GTYPE:
1131 *(u_int *)data = WSDISPLAY_TYPE_SB_P9100;
1132 return 0;
1133
1134 case FBIOGVIDEO:
1135 case WSDISPLAYIO_GVIDEO:
1136 *(int *)data = p9100_get_video(sc);
1137 return 0;
1138
1139 case WSDISPLAYIO_SVIDEO:
1140 case FBIOSVIDEO:
1141 p9100_set_video(sc, *(int *)data);
1142 return 0;
1143
1144 case WSDISPLAYIO_GINFO:
1145 wdf = (void *)data;
1146 wdf->height = ms->scr_ri.ri_height;
1147 wdf->width = ms->scr_ri.ri_width;
1148 wdf->depth = ms->scr_ri.ri_depth;
1149 wdf->cmsize = 256;
1150 return 0;
1151
1152 case WSDISPLAYIO_GETCMAP:
1153 return p9100_getcmap(sc, (struct wsdisplay_cmap *)data);
1154
1155 case WSDISPLAYIO_PUTCMAP:
1156 return p9100_putcmap(sc, (struct wsdisplay_cmap *)data);
1157
1158 case WSDISPLAYIO_SMODE:
1159 {
1160 int new_mode = *(int*)data;
1161 if (new_mode != sc->sc_mode)
1162 {
1163 sc->sc_mode = new_mode;
1164 if (new_mode == WSDISPLAYIO_MODE_EMUL)
1165 {
1166 p9100_init_engine(sc);
1167 p9100_set_depth(sc, 8);
1168 p9100loadcmap(sc, 0, 256);
1169 p9100_clearscreen(sc);
1170 vcons_redraw_screen(ms);
1171 }
1172 }
1173 }
1174 }
1175 return EPASSTHROUGH;
1176 }
1177
1178 static paddr_t
1179 p9100_mmap(void *v, void *vs, off_t offset, int prot)
1180 {
1181 struct vcons_data *vd = v;
1182 struct p9100_softc *sc = vd->cookie;
1183 paddr_t pa;
1184
1185 /* 'regular' framebuffer mmap()ing */
1186 if (offset < sc->sc_fb_psize) {
1187 pa = bus_space_mmap(sc->sc_bustag, sc->sc_fb_paddr + offset, 0,
1188 prot, BUS_SPACE_MAP_LINEAR);
1189 return pa;
1190 }
1191
1192 if ((offset >= sc->sc_fb_paddr) && (offset < (sc->sc_fb_paddr +
1193 sc->sc_fb_psize))) {
1194 pa = bus_space_mmap(sc->sc_bustag, offset, 0, prot,
1195 BUS_SPACE_MAP_LINEAR);
1196 return pa;
1197 }
1198
1199 if ((offset >= sc->sc_ctl_paddr) && (offset < (sc->sc_ctl_paddr +
1200 sc->sc_ctl_psize))) {
1201 pa = bus_space_mmap(sc->sc_bustag, offset, 0, prot,
1202 BUS_SPACE_MAP_LINEAR);
1203 return pa;
1204 }
1205
1206 return -1;
1207 }
1208
1209 static void
1210 p9100_init_screen(void *cookie, struct vcons_screen *scr,
1211 int existing, long *defattr)
1212 {
1213 struct p9100_softc *sc = cookie;
1214 struct rasops_info *ri = &scr->scr_ri;
1215
1216 ri->ri_depth = sc->sc_depth << 3;
1217 ri->ri_width = sc->sc_width;
1218 ri->ri_height = sc->sc_height;
1219 ri->ri_stride = sc->sc_stride;
1220 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
1221
1222 ri->ri_bits = bus_space_vaddr(sc->sc_bustag, sc->sc_fb_memh);
1223
1224 DPRINTF("addr: %08lx\n",(ulong)ri->ri_bits);
1225
1226 rasops_init(ri, sc->sc_height/8, sc->sc_width/8);
1227 ri->ri_caps = WSSCREEN_WSCOLORS;
1228 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
1229 sc->sc_width / ri->ri_font->fontwidth);
1230
1231 /* enable acceleration */
1232 ri->ri_ops.cursor = p9100_cursor;
1233 ri->ri_ops.copyrows = p9100_copyrows;
1234 ri->ri_ops.eraserows = p9100_eraserows;
1235 ri->ri_ops.copycols = p9100_copycols;
1236 ri->ri_ops.erasecols = p9100_erasecols;
1237 ri->ri_ops.putchar = p9100_putchar;
1238 ri->ri_ops.allocattr = p9100_allocattr;
1239 }
1240
1241 static int
1242 p9100_putcmap(struct p9100_softc *sc, struct wsdisplay_cmap *cm)
1243 {
1244 u_int index = cm->index;
1245 u_int count = cm->count;
1246 int i, error;
1247 u_char rbuf[256], gbuf[256], bbuf[256];
1248 u_char *r, *g, *b;
1249
1250 if (cm->index >= 256 || cm->count > 256 ||
1251 (cm->index + cm->count) > 256)
1252 return EINVAL;
1253 error = copyin(cm->red, &rbuf[index], count);
1254 if (error)
1255 return error;
1256 error = copyin(cm->green, &gbuf[index], count);
1257 if (error)
1258 return error;
1259 error = copyin(cm->blue, &bbuf[index], count);
1260 if (error)
1261 return error;
1262
1263 r = &rbuf[index];
1264 g = &gbuf[index];
1265 b = &bbuf[index];
1266
1267 for (i = 0; i < count; i++) {
1268 sc->sc_cmap.cm_map[index][0] = *r;
1269 sc->sc_cmap.cm_map[index][1] = *g;
1270 sc->sc_cmap.cm_map[index][2] = *b;
1271 index++;
1272 r++, g++, b++;
1273 }
1274 p9100loadcmap(sc, 0, 256);
1275 return 0;
1276 }
1277
1278 static int
1279 p9100_getcmap(struct p9100_softc *sc, struct wsdisplay_cmap *cm)
1280 {
1281 u_int index = cm->index;
1282 u_int count = cm->count;
1283 int error, i;
1284 uint8_t red[256], green[256], blue[256];
1285
1286 if (index >= 255 || count > 256 || index + count > 256)
1287 return EINVAL;
1288
1289 i = index;
1290 while (i < (index + count)) {
1291 red[i] = sc->sc_cmap.cm_map[i][0];
1292 green[i] = sc->sc_cmap.cm_map[i][1];
1293 blue[i] = sc->sc_cmap.cm_map[i][2];
1294 i++;
1295 }
1296 error = copyout(&red[index], cm->red, count);
1297 if (error)
1298 return error;
1299 error = copyout(&green[index], cm->green, count);
1300 if (error)
1301 return error;
1302 error = copyout(&blue[index], cm->blue, count);
1303 if (error)
1304 return error;
1305
1306 return 0;
1307 }
1308
1309 static void
1310 p9100_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1311 {
1312 struct rasops_info *ri = cookie;
1313 struct vcons_screen *scr = ri->ri_hw;
1314 int32_t xs, xd, y, width, height;
1315
1316 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1317 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1318 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1319 width = ri->ri_font->fontwidth * ncols;
1320 height = ri->ri_font->fontheight;
1321 p9100_bitblt(scr->scr_cookie, xs, y, xd, y, width, height, ROP_SRC);
1322 }
1323
1324 static void
1325 p9100_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1326 {
1327 struct rasops_info *ri = cookie;
1328 struct vcons_screen *scr = ri->ri_hw;
1329 int32_t x, y, width, height, bg;
1330
1331 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1332 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1333 width = ri->ri_font->fontwidth * ncols;
1334 height = ri->ri_font->fontheight;
1335 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1336 p9100_rectfill(scr->scr_cookie, x, y, width, height, bg);
1337 }
1338
1339 static void
1340 p9100_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1341 {
1342 struct rasops_info *ri = cookie;
1343 struct vcons_screen *scr = ri->ri_hw;
1344 int32_t x, ys, yd, width, height;
1345
1346 x = ri->ri_xorigin;
1347 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1348 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1349 width = ri->ri_emuwidth;
1350 height = ri->ri_font->fontheight * nrows;
1351 p9100_bitblt(scr->scr_cookie, x, ys, x, yd, width, height, ROP_SRC);
1352 }
1353
1354 static void
1355 p9100_eraserows(void *cookie, int row, int nrows, long fillattr)
1356 {
1357 struct rasops_info *ri = cookie;
1358 struct vcons_screen *scr = ri->ri_hw;
1359 int32_t x, y, width, height, bg;
1360
1361 if ((row == 0) && (nrows == ri->ri_rows)) {
1362 x = y = 0;
1363 width = ri->ri_width;
1364 height = ri->ri_height;
1365 } else {
1366 x = ri->ri_xorigin;
1367 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1368 width = ri->ri_emuwidth;
1369 height = ri->ri_font->fontheight * nrows;
1370 }
1371 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1372 p9100_rectfill(scr->scr_cookie, x, y, width, height, bg);
1373 }
1374
1375
1376 static int
1377 p9100_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
1378 {
1379 if ((fg == 0) && (bg == 0))
1380 {
1381 fg = WS_DEFAULT_FG;
1382 bg = WS_DEFAULT_BG;
1383 }
1384
1385 *attrp = (fg & 0xff) << 24 | (bg & 0xff) << 16 | (flags & 0xff);
1386
1387 if (flags & WSATTR_REVERSE) {
1388 *attrp = (bg & 0xff) << 24 | (fg & 0xff) << 16 |
1389 (flags & 0xff) << 8;
1390 } else
1391 *attrp = (fg & 0xff) << 24 | (bg & 0xff) << 16 |
1392 (flags & 0xff) << 8;
1393
1394 return 0;
1395 }
1396
1397 #if 0
1398 static int
1399 p9100_load_font(void *v, void *cookie, struct wsdisplay_font *data)
1400 {
1401
1402 return 0;
1403 }
1404 #endif
1405
1406 #endif /* NWSDISPLAY > 0 */
1407
1408 #if 0
1409 static int
1410 p9100_intr(void *arg)
1411 {
1412 /*p9100_softc *sc=arg;*/
1413 DPRINTF(".");
1414 return 1;
1415 }
1416 #endif
1417
1418 static void
1419 p9100_init_cursor(struct p9100_softc *sc)
1420 {
1421
1422 memset(&sc->sc_cursor, 0, sizeof(struct pnozz_cursor));
1423 sc->sc_cursor.pc_size.x = 64;
1424 sc->sc_cursor.pc_size.y = 64;
1425
1426 }
1427
1428 static void
1429 p9100_set_fbcursor(struct p9100_softc *sc)
1430 {
1431 #ifdef PNOZZ_PARANOID
1432 int s;
1433
1434 s = splhigh(); /* just in case... */
1435 #endif
1436 sc->sc_last_offset = 0xffffffff;
1437
1438 /* set position and hotspot */
1439 p9100_ramdac_write(sc, DAC_INDX_CTL, DAC_INDX_AUTOINCR);
1440 p9100_ramdac_write(sc, DAC_INDX_HI, 0);
1441 p9100_ramdac_write(sc, DAC_INDX_LO, DAC_CURSOR_CTL);
1442 if (sc->sc_cursor.pc_enable) {
1443 p9100_ramdac_write(sc, DAC_INDX_DATA, DAC_CURSOR_X11 |
1444 DAC_CURSOR_64);
1445 } else
1446 p9100_ramdac_write(sc, DAC_INDX_DATA, DAC_CURSOR_OFF);
1447 /* next two registers - x low, high, y low, high */
1448 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_pos.x & 0xff);
1449 p9100_ramdac_write(sc, DAC_INDX_DATA, (sc->sc_cursor.pc_pos.x >> 8) &
1450 0xff);
1451 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_pos.y & 0xff);
1452 p9100_ramdac_write(sc, DAC_INDX_DATA, (sc->sc_cursor.pc_pos.y >> 8) &
1453 0xff);
1454 /* hotspot */
1455 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_hot.x & 0xff);
1456 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_hot.y & 0xff);
1457
1458 #ifdef PNOZZ_PARANOID
1459 splx(s);
1460 #endif
1461
1462 }
1463
1464 static void
1465 p9100_setcursorcmap(struct p9100_softc *sc)
1466 {
1467 int i;
1468
1469 #ifdef PNOZZ_PARANOID
1470 int s;
1471 s = splhigh(); /* just in case... */
1472 #endif
1473 sc->sc_last_offset = 0xffffffff;
1474
1475 /* set cursor colours */
1476 p9100_ramdac_write(sc, DAC_INDX_CTL, DAC_INDX_AUTOINCR);
1477 p9100_ramdac_write(sc, DAC_INDX_HI, 0);
1478 p9100_ramdac_write(sc, DAC_INDX_LO, DAC_CURSOR_COL_1);
1479
1480 for (i = 0; i < 3; i++) {
1481 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.red[i]);
1482 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.green[i]);
1483 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.blue[i]);
1484 }
1485
1486 #ifdef PNOZZ_PARANOID
1487 splx(s);
1488 #endif
1489 }
1490
1491 static void
1492 p9100_loadcursor(struct p9100_softc *sc)
1493 {
1494 uint32_t *image, *mask;
1495 uint32_t bit, bbit, im, ma;
1496 int i, j, k;
1497 uint8_t latch1, latch2;
1498
1499 #ifdef PNOZZ_PARANOID
1500 int s;
1501 s = splhigh(); /* just in case... */
1502 #endif
1503 sc->sc_last_offset = 0xffffffff;
1504
1505 /* set cursor shape */
1506 p9100_ramdac_write(sc, DAC_INDX_CTL, DAC_INDX_AUTOINCR);
1507 p9100_ramdac_write(sc, DAC_INDX_HI, 1);
1508 p9100_ramdac_write(sc, DAC_INDX_LO, 0);
1509
1510 image = sc->sc_cursor.pc_bits;
1511 mask = &sc->sc_cursor.pc_bits[0x80];
1512
1513 for (i = 0; i < 0x80; i++) {
1514 bit = 0x80000000;
1515 im = image[i];
1516 ma = mask[i];
1517 for (k = 0; k < 4; k++) {
1518 bbit = 0x1;
1519 latch1 = 0;
1520 for (j = 0; j < 4; j++) {
1521 if (im & bit)
1522 latch1 |= bbit;
1523 bbit <<= 1;
1524 if (ma & bit)
1525 latch1 |= bbit;
1526 bbit <<= 1;
1527 bit >>= 1;
1528 }
1529 bbit = 0x1;
1530 latch2 = 0;
1531 for (j = 0; j < 4; j++) {
1532 if (im & bit)
1533 latch2 |= bbit;
1534 bbit <<= 1;
1535 if (ma & bit)
1536 latch2 |= bbit;
1537 bbit <<= 1;
1538 bit >>= 1;
1539 }
1540 p9100_ramdac_write(sc, DAC_INDX_DATA, latch1);
1541 p9100_ramdac_write(sc, DAC_INDX_DATA, latch2);
1542 }
1543 }
1544 #ifdef PNOZZ_DEBUG_CURSOR
1545 printf("image:\n");
1546 for (i=0;i<0x80;i+=2)
1547 printf("%08x %08x\n", image[i], image[i+1]);
1548 printf("mask:\n");
1549 for (i=0;i<0x80;i+=2)
1550 printf("%08x %08x\n", mask[i], mask[i+1]);
1551 #endif
1552 #ifdef PNOZZ_PARANOID
1553 splx(s);
1554 #endif
1555 }
1556
1557 #if NTCTRL > 0
1558 static void
1559 p9100_set_extvga(void *cookie, int status)
1560 {
1561 struct p9100_softc *sc = cookie;
1562 #ifdef PNOZZ_PARANOID
1563 int s;
1564
1565 s = splhigh();
1566 #endif
1567
1568 #ifdef PNOZZ_DEBUG
1569 printf("%s: external VGA %s\n", device_xname(sc->sc_dev),
1570 status ? "on" : "off");
1571 #endif
1572
1573 sc->sc_last_offset = 0xffffffff;
1574
1575 if (status) {
1576 p9100_ramdac_write_ctl(sc, DAC_POWER_MGT,
1577 p9100_ramdac_read_ctl(sc, DAC_POWER_MGT) &
1578 ~DAC_POWER_IPWR_DISABLE);
1579 } else {
1580 p9100_ramdac_write_ctl(sc, DAC_POWER_MGT,
1581 p9100_ramdac_read_ctl(sc, DAC_POWER_MGT) |
1582 DAC_POWER_IPWR_DISABLE);
1583 }
1584 #ifdef PNOZZ_PARANOID
1585 splx(s);
1586 #endif
1587 }
1588 #endif /* NTCTRL > 0 */
1589
1590 static int
1591 upper_bit(uint32_t b)
1592 {
1593 uint32_t mask=0x80000000;
1594 int cnt = 31;
1595 if (b == 0)
1596 return -1;
1597 while ((mask != 0) && ((b & mask) == 0)) {
1598 mask = mask >> 1;
1599 cnt--;
1600 }
1601 return cnt;
1602 }
1603
1604 static int
1605 p9100_set_depth(struct p9100_softc *sc, int depth)
1606 {
1607 int new_sls;
1608 uint32_t bits, scr, memctl, mem;
1609 int s0, s1, s2, s3, ps, crtcline;
1610 uint8_t pf, mc3, es;
1611
1612 switch (depth) {
1613 case 8:
1614 sc->sc_depthshift = 0;
1615 ps = 2;
1616 pf = 3;
1617 mc3 = 0;
1618 es = 0; /* no swapping */
1619 memctl = 3;
1620 break;
1621 case 16:
1622 sc->sc_depthshift = 1;
1623 ps = 3;
1624 pf = 4;
1625 mc3 = 0;
1626 es = 2; /* swap bytes in 16bit words */
1627 memctl = 2;
1628 break;
1629 case 24:
1630 /* boo */
1631 printf("We don't DO 24bit pixels dammit!\n");
1632 return 0;
1633 case 32:
1634 sc->sc_depthshift = 2;
1635 ps = 5;
1636 pf = 6;
1637 mc3 = 0;
1638 es = 6; /* swap both half-words and bytes */
1639 memctl = 1; /* 0 */
1640 break;
1641 default:
1642 aprint_error("%s: bogus colour depth (%d)\n",
1643 __func__, depth);
1644 return FALSE;
1645 }
1646 /*
1647 * this could be done a lot shorter and faster but then nobody would
1648 * understand what the hell we're doing here without getting a major
1649 * headache. Scanline size is encoded as 4 shift values, 3 of them 3 bits
1650 * wide, 16 << n for n>0, one 2 bits, 512 << n for n>0. n==0 means 0
1651 */
1652 new_sls = sc->sc_width << sc->sc_depthshift;
1653 sc->sc_stride = new_sls;
1654 bits = new_sls;
1655 s3 = upper_bit(bits);
1656 if (s3 > 9) {
1657 bits &= ~(1 << s3);
1658 s3 -= 9;
1659 } else
1660 s3 = 0;
1661 s2 = upper_bit(bits);
1662 if (s2 > 0) {
1663 bits &= ~(1 << s2);
1664 s2 -= 4;
1665 } else
1666 s2 = 0;
1667 s1 = upper_bit(bits);
1668 if (s1 > 0) {
1669 bits &= ~(1 << s1);
1670 s1 -= 4;
1671 } else
1672 s1 = 0;
1673 s0 = upper_bit(bits);
1674 if (s0 > 0) {
1675 bits &= ~(1 << s0);
1676 s0 -= 4;
1677 } else
1678 s0 = 0;
1679
1680
1681 DPRINTF("sls: %x sh: %d %d %d %d leftover: %x\n", new_sls, s0, s1,
1682 s2, s3, bits);
1683
1684 /*
1685 * now let's put these values into the System Config Register. No need to
1686 * read it here since we (hopefully) just saved the content
1687 */
1688 scr = p9100_ctl_read_4(sc, SYS_CONF);
1689 scr = (s0 << SHIFT_0) | (s1 << SHIFT_1) | (s2 << SHIFT_2) |
1690 (s3 << SHIFT_3) | (ps << PIXEL_SHIFT) | (es << SWAP_SHIFT);
1691
1692 DPRINTF("new scr: %x DAC %x %x\n", scr, pf, mc3);
1693
1694 mem = p9100_ctl_read_4(sc, VID_MEM_CONFIG);
1695
1696 DPRINTF("old memctl: %08x\n", mem);
1697
1698 /* set shift and crtc clock */
1699 mem &= ~(0x0000fc00);
1700 mem |= (memctl << 10) | (memctl << 13);
1701 p9100_ctl_write_4(sc, VID_MEM_CONFIG, mem);
1702
1703 DPRINTF("new memctl: %08x\n", mem);
1704
1705 /* whack the engine... */
1706 p9100_ctl_write_4(sc, SYS_CONF, scr);
1707
1708 /* ok, whack the DAC */
1709 p9100_ramdac_write_ctl(sc, DAC_MISC_1, 0x11);
1710 p9100_ramdac_write_ctl(sc, DAC_MISC_2, 0x45);
1711 p9100_ramdac_write_ctl(sc, DAC_MISC_3, mc3);
1712 /*
1713 * despite the 3GX manual saying otherwise we don't need to mess with
1714 * any clock dividers here
1715 */
1716 p9100_ramdac_write_ctl(sc, DAC_MISC_CLK, 1);
1717 p9100_ramdac_write_ctl(sc, 3, 0);
1718 p9100_ramdac_write_ctl(sc, 4, 0);
1719
1720 p9100_ramdac_write_ctl(sc, DAC_POWER_MGT, 0);
1721 p9100_ramdac_write_ctl(sc, DAC_OPERATION, 0);
1722 p9100_ramdac_write_ctl(sc, DAC_PALETTE_CTRL, 0);
1723
1724 p9100_ramdac_write_ctl(sc, DAC_PIXEL_FMT, pf);
1725
1726 /* TODO: distinguish between 15 and 16 bit */
1727 p9100_ramdac_write_ctl(sc, DAC_8BIT_CTRL, 0);
1728 /* direct colour, linear, 565 */
1729 p9100_ramdac_write_ctl(sc, DAC_16BIT_CTRL, 0xc6);
1730 /* direct colour */
1731 p9100_ramdac_write_ctl(sc, DAC_32BIT_CTRL, 3);
1732
1733 /* From the 3GX manual. Needs magic number reduction */
1734 p9100_ramdac_write_ctl(sc, 0x10, 2);
1735 p9100_ramdac_write_ctl(sc, 0x11, 0);
1736 p9100_ramdac_write_ctl(sc, 0x14, 5);
1737 p9100_ramdac_write_ctl(sc, 0x08, 1);
1738 p9100_ramdac_write_ctl(sc, 0x15, 5);
1739 p9100_ramdac_write_ctl(sc, 0x16, 0x63);
1740
1741 /* whack the CRTC */
1742 /* we always transfer 64bit in one go */
1743 crtcline = sc->sc_stride >> 3;
1744
1745 DPRINTF("crtcline: %d\n", crtcline);
1746
1747 p9100_ctl_write_4(sc, VID_HTOTAL, (24 << sc->sc_depthshift) + crtcline);
1748 p9100_ctl_write_4(sc, VID_HSRE, 8 << sc->sc_depthshift);
1749 p9100_ctl_write_4(sc, VID_HBRE, 18 << sc->sc_depthshift);
1750 p9100_ctl_write_4(sc, VID_HBFE, (18 << sc->sc_depthshift) + crtcline);
1751
1752 #ifdef PNOZZ_DEBUG
1753 {
1754 uint32_t sscr;
1755 sscr = p9100_ctl_read_4(sc, SYS_CONF);
1756 printf("scr: %x\n", sscr);
1757 }
1758 #endif
1759 return TRUE;
1760 }
1761