p9100.c revision 1.44 1 /* $NetBSD: p9100.c,v 1.44 2009/05/27 00:35:34 macallan 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 1.44 2009/05/27 00:35:34 macallan 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
75 #include "tctrl.h"
76 #if NTCTRL > 0
77 #include <machine/tctrl.h>
78 #include <sparc/dev/tctrlvar.h>/*XXX*/
79 #endif
80
81 #ifdef PNOZZ_DEBUG
82 #define DPRINTF aprint_normal
83 #else
84 #define DPRINTF while (0) aprint_normal
85 #endif
86
87 struct pnozz_cursor {
88 short pc_enable; /* cursor is enabled */
89 struct fbcurpos pc_pos; /* position */
90 struct fbcurpos pc_hot; /* hot-spot */
91 struct fbcurpos pc_size; /* size of mask & image fields */
92 uint32_t pc_bits[0x100]; /* space for mask & image bits */
93 unsigned char red[3], green[3];
94 unsigned char blue[3]; /* cursor palette */
95 };
96
97 /* per-display variables */
98 struct p9100_softc {
99 device_t sc_dev; /* base device */
100 struct sbusdev sc_sd; /* sbus device */
101 struct fbdevice sc_fb; /* frame buffer device */
102
103 bus_space_tag_t sc_bustag;
104
105 bus_addr_t sc_ctl_paddr; /* phys address description */
106 bus_size_t sc_ctl_psize; /* for device mmap() */
107 bus_space_handle_t sc_ctl_memh; /* bus space handle */
108
109 #if 0
110 bus_addr_t sc_cmd_paddr; /* phys address description */
111 bus_size_t sc_cmd_psize; /* for device mmap() */
112 bus_space_handle_t sc_cmd_memh; /* bus space handle */
113 #endif
114 bus_addr_t sc_fb_paddr; /* phys address description */
115 bus_size_t sc_fb_psize; /* for device mmap() */
116 bus_space_handle_t sc_fb_memh; /* bus space handle */
117
118 volatile uint32_t sc_junk;
119 uint32_t sc_mono_width; /* for setup_mono */
120
121 uint32_t sc_width;
122 uint32_t sc_height; /* panel width / height */
123 uint32_t sc_stride;
124 uint32_t sc_depth;
125 int sc_depthshift; /* blitter works on bytes not pixels */
126
127 union bt_cmap sc_cmap; /* Brooktree color map */
128
129 struct pnozz_cursor sc_cursor;
130
131 int sc_mode;
132 int sc_video, sc_powerstate;
133 uint32_t sc_bg;
134 volatile uint32_t sc_last_offset;
135 struct vcons_data vd;
136 };
137
138
139 static struct vcons_screen p9100_console_screen;
140
141 extern const u_char rasops_cmap[768];
142
143 struct wsscreen_descr p9100_defscreendesc = {
144 "default",
145 0, 0,
146 NULL,
147 8, 16,
148 WSSCREEN_WSCOLORS,
149 };
150
151 const struct wsscreen_descr *_p9100_scrlist[] = {
152 &p9100_defscreendesc,
153 /* XXX other formats, graphics screen? */
154 };
155
156 struct wsscreen_list p9100_screenlist = {
157 sizeof(_p9100_scrlist) / sizeof(struct wsscreen_descr *), _p9100_scrlist
158 };
159
160 /* autoconfiguration driver */
161 static int p9100_sbus_match(device_t, cfdata_t, void *);
162 static void p9100_sbus_attach(device_t, device_t, void *);
163
164 static void p9100unblank(device_t);
165 static void p9100_shutdown(void *);
166
167 CFATTACH_DECL_NEW(pnozz, sizeof(struct p9100_softc),
168 p9100_sbus_match, p9100_sbus_attach, NULL, NULL);
169
170 extern struct cfdriver pnozz_cd;
171
172 static dev_type_open(p9100open);
173 static dev_type_ioctl(p9100ioctl);
174 static dev_type_mmap(p9100mmap);
175
176 const struct cdevsw pnozz_cdevsw = {
177 p9100open, nullclose, noread, nowrite, p9100ioctl,
178 nostop, notty, nopoll, p9100mmap, nokqfilter,
179 };
180
181 /* frame buffer generic driver */
182 static struct fbdriver p9100fbdriver = {
183 p9100unblank, p9100open, nullclose, p9100ioctl, nopoll,
184 p9100mmap, nokqfilter
185 };
186
187 static void p9100loadcmap(struct p9100_softc *, int, int);
188 static void p9100_set_video(struct p9100_softc *, int);
189 static int p9100_get_video(struct p9100_softc *);
190 static uint32_t p9100_ctl_read_4(struct p9100_softc *, bus_size_t);
191 static void p9100_ctl_write_4(struct p9100_softc *, bus_size_t, uint32_t);
192 static uint8_t p9100_ramdac_read(struct p9100_softc *, bus_size_t);
193 static void p9100_ramdac_write(struct p9100_softc *, bus_size_t, uint8_t);
194
195 static uint8_t p9100_ramdac_read_ctl(struct p9100_softc *, int);
196 #if NTCTRL > 0
197 static void p9100_ramdac_write_ctl(struct p9100_softc *, int, uint8_t);
198 #endif
199
200 static void p9100_init_engine(struct p9100_softc *);
201 static int p9100_set_depth(struct p9100_softc *, int);
202
203 #if NWSDISPLAY > 0
204 static void p9100_sync(struct p9100_softc *);
205 static void p9100_bitblt(void *, int, int, int, int, int, int, uint32_t);
206 static void p9100_rectfill(void *, int, int, int, int, uint32_t);
207 static void p9100_clearscreen(struct p9100_softc *);
208
209 static void p9100_setup_mono(struct p9100_softc *, int, int, int, int,
210 uint32_t, uint32_t);
211 static void p9100_feed_line(struct p9100_softc *, int, uint8_t *);
212 static void p9100_set_color_reg(struct p9100_softc *, int, int32_t);
213
214 static void p9100_copycols(void *, int, int, int, int);
215 static void p9100_erasecols(void *, int, int, int, long);
216 static void p9100_copyrows(void *, int, int, int);
217 static void p9100_eraserows(void *, int, int, long);
218 /*static int p9100_mapchar(void *, int, u_int *);*/
219 static void p9100_putchar(void *, int, int, u_int, long);
220 static void p9100_cursor(void *, int, int, int);
221 static int p9100_allocattr(void *, int, int, int, long *);
222
223 /*static void p9100_scroll(void *, void *, int);*/
224
225 static int p9100_putcmap(struct p9100_softc *, struct wsdisplay_cmap *);
226 static int p9100_getcmap(struct p9100_softc *, struct wsdisplay_cmap *);
227 static int p9100_ioctl(void *, void *, u_long, void *, int, struct lwp *);
228 static paddr_t p9100_mmap(void *, void *, off_t, int);
229
230 /*static int p9100_load_font(void *, void *, struct wsdisplay_font *);*/
231
232 static void p9100_init_screen(void *, struct vcons_screen *, int,
233 long *);
234 #endif
235
236 static void p9100_init_cursor(struct p9100_softc *);
237
238 static void p9100_set_fbcursor(struct p9100_softc *);
239 static void p9100_setcursorcmap(struct p9100_softc *);
240 static void p9100_loadcursor(struct p9100_softc *);
241
242 #if 0
243 static int p9100_intr(void *);
244 #endif
245
246 /* power management stuff */
247 static void p9100_power_hook(int, void *);
248
249 #if NTCTRL > 0
250 static void p9100_set_extvga(void *, int);
251 #endif
252
253 #if NWSDISPLAY > 0
254 struct wsdisplay_accessops p9100_accessops = {
255 p9100_ioctl,
256 p9100_mmap,
257 NULL, /* vcons_alloc_screen */
258 NULL, /* vcons_free_screen */
259 NULL, /* vcons_show_screen */
260 NULL, /* load_font */
261 NULL, /* polls */
262 NULL, /* scroll */
263 };
264 #endif
265
266 #define PNOZZ_LATCH(sc, off) if(sc->sc_last_offset == (off & 0xffffff80)) { \
267 sc->sc_junk = bus_space_read_4(sc->sc_bustag, sc->sc_fb_memh, \
268 off); \
269 sc->sc_last_offset = off & 0xffffff80; }
270
271 /*
272 * Match a p9100.
273 */
274 static int
275 p9100_sbus_match(device_t parent, cfdata_t cf, void *aux)
276 {
277 struct sbus_attach_args *sa = aux;
278
279 if (strcmp("p9100", sa->sa_name) == 0)
280 return 100;
281 return 0;
282 }
283
284
285 /*
286 * Attach a display. We need to notice if it is the console, too.
287 */
288 static void
289 p9100_sbus_attach(device_t parent, device_t self, void *args)
290 {
291 struct p9100_softc *sc = device_private(self);
292 struct sbus_attach_args *sa = args;
293 struct fbdevice *fb = &sc->sc_fb;
294 int isconsole;
295 int node = sa->sa_node;
296 int i, j;
297 uint8_t ver;
298
299 #if NWSDISPLAY > 0
300 struct wsemuldisplaydev_attach_args aa;
301 struct rasops_info *ri;
302 unsigned long defattr;
303 #endif
304
305 sc->sc_last_offset = 0xffffffff;
306 sc->sc_dev = self;
307
308 /*
309 * When the ROM has mapped in a p9100 display, the address
310 * maps only the video RAM, so in any case we have to map the
311 * registers ourselves. We only need the video RAM if we are
312 * going to print characters via rconsole.
313 */
314
315 if (sa->sa_npromvaddrs != 0)
316 fb->fb_pixels = (void *)sa->sa_promvaddrs[0];
317
318 /* Remember cookies for p9100_mmap() */
319 sc->sc_bustag = sa->sa_bustag;
320
321 sc->sc_ctl_paddr = sbus_bus_addr(sa->sa_bustag,
322 sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base);
323 sc->sc_ctl_psize = 0x8000;/*(bus_size_t)sa->sa_reg[0].oa_size;*/
324
325 sc->sc_fb_paddr = sbus_bus_addr(sa->sa_bustag,
326 sa->sa_reg[2].oa_space, sa->sa_reg[2].oa_base);
327 sc->sc_fb_psize = (bus_size_t)sa->sa_reg[2].oa_size;
328
329 if (sbus_bus_map(sc->sc_bustag,
330 sa->sa_reg[0].oa_space,
331 sa->sa_reg[0].oa_base,
332 /*
333 * XXX for some reason the SBus resources don't cover
334 * all registers, so we just map what we need
335 */
336 0x8000,
337 0, &sc->sc_ctl_memh) != 0) {
338 printf("%s: cannot map control registers\n",
339 self->dv_xname);
340 return;
341 }
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, &sc->sc_fb_memh) != 0) {
349 printf("%s: cannot map framebuffer\n",
350 self->dv_xname);
351 return;
352 }
353 fb->fb_pixels = (char *)sc->sc_fb_memh;
354 } else {
355 sc->sc_fb_memh = (bus_space_handle_t) fb->fb_pixels;
356 }
357 sc->sc_width = prom_getpropint(node, "width", 800);
358 sc->sc_height = prom_getpropint(node, "height", 600);
359 sc->sc_depth = prom_getpropint(node, "depth", 8) >> 3;
360
361 sc->sc_stride = prom_getpropint(node, "linebytes",
362 sc->sc_width * sc->sc_depth);
363
364 fb->fb_driver = &p9100fbdriver;
365 fb->fb_device = sc->sc_dev;
366 fb->fb_flags = device_cfdata(sc->sc_dev)->cf_flags & FB_USERMASK;
367 #ifdef PNOZZ_EMUL_CG3
368 fb->fb_type.fb_type = FBTYPE_SUN3COLOR;
369 #else
370 fb->fb_type.fb_type = FBTYPE_P9100;
371 #endif
372 fb->fb_pixels = NULL;
373
374 sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
375
376 isconsole = fb_is_console(node);
377 #if 0
378 if (!isconsole) {
379 aprint_normal("\n");
380 aprint_error_dev(self, "fatal error: PROM didn't configure device\n");
381 return;
382 }
383 #endif
384
385 /*
386 * When the ROM has mapped in a p9100 display, the address
387 * maps only the video RAM, so in any case we have to map the
388 * registers ourselves. We only need the video RAM if we are
389 * going to print characters via rconsole.
390 */
391 if (sbus_bus_map(sc->sc_bustag,
392 sa->sa_reg[0].oa_space,
393 sa->sa_reg[0].oa_base,
394 /*
395 * XXX for some reason the SBus resources don't cover
396 * all registers, so we just map what we need
397 */
398 /*sc->sc_ctl_psize*/ 0x8000,
399 /*BUS_SPACE_MAP_LINEAR*/0, &sc->sc_ctl_memh) != 0) {
400 aprint_error_dev(self, "cannot map control registers\n");
401 return;
402 }
403
404 if (sa->sa_npromvaddrs != 0)
405 fb->fb_pixels = (void *)sa->sa_promvaddrs[0];
406
407 if (fb->fb_pixels == NULL) {
408 if (sbus_bus_map(sc->sc_bustag,
409 sa->sa_reg[2].oa_space,
410 sa->sa_reg[2].oa_base,
411 sc->sc_fb_psize,
412 BUS_SPACE_MAP_LINEAR, &sc->sc_fb_memh) != 0) {
413 aprint_error_dev(self, "cannot map framebuffer\n");
414 return;
415 }
416 fb->fb_pixels = (char *)sc->sc_fb_memh;
417 } else {
418 sc->sc_fb_memh = (bus_space_handle_t) fb->fb_pixels;
419 }
420
421 #if 0
422 /*
423 * we set our own depth and OBP won't hand us anything else than 8 bit
424 * anyway
425 */
426 i = p9100_ctl_read_4(sc, 0x0004);
427 switch ((i >> 26) & 7) {
428 case 5:
429 fb->fb_type.fb_depth = 32;
430 sc->sc_depth = 4;
431 sc->sc_depthshift = 2;
432 break;
433 case 7:
434 fb->fb_type.fb_depth = 24;
435 /* bitch and moan */
436 break;
437 case 3:
438 fb->fb_type.fb_depth = 16;
439 sc->sc_depth = 2;
440 sc->sc_depthshift = 1;
441 break;
442 case 2:
443 fb->fb_type.fb_depth = 8;
444 sc->sc_depth = 1;
445 sc->sc_depthshift = 0;
446 break;
447 default: {
448 panic("pnozz: can't determine screen depth (0x%02x)", i);
449 }
450 }
451 #else
452 fb->fb_type.fb_depth = 8;
453 sc->sc_depth = 1;
454 sc->sc_depthshift = 0;
455 #endif
456
457 /* check the RAMDAC */
458 ver = p9100_ramdac_read_ctl(sc, DAC_VERSION);
459
460 p9100_init_engine(sc);
461 p9100_set_depth(sc, 8);
462
463 fb_setsize_obp(fb, fb->fb_type.fb_depth, sc->sc_width, sc->sc_height,
464 node);
465
466 sbus_establish(&sc->sc_sd, sc->sc_dev);
467 #if 0
468 bus_intr_establish(sc->sc_bustag, sa->sa_pri, IPL_BIO,
469 p9100_intr, sc);
470 #endif
471
472 fb->fb_type.fb_cmsize = prom_getpropint(node, "cmsize", 256);
473 if ((1 << fb->fb_type.fb_depth) != fb->fb_type.fb_cmsize)
474 printf(", %d entry colormap", fb->fb_type.fb_cmsize);
475
476 /* Initialize the default color map. */
477 j = 0;
478 for (i = 0; i < 256; i++) {
479 sc->sc_cmap.cm_map[i][0] = rasops_cmap[j];
480 j++;
481 sc->sc_cmap.cm_map[i][1] = rasops_cmap[j];
482 j++;
483 sc->sc_cmap.cm_map[i][2] = rasops_cmap[j];
484 j++;
485 }
486 p9100loadcmap(sc, 0, 256);
487
488 /* make sure we are not blanked */
489 if (isconsole)
490 p9100_set_video(sc, 1);
491
492 if (shutdownhook_establish(p9100_shutdown, sc) == NULL) {
493 panic("%s: could not establish shutdown hook",
494 device_xname(sc->sc_dev));
495 }
496
497 if (isconsole) {
498 printf(" (console)\n");
499 #ifdef RASTERCONSOLE
500 /*p9100loadcmap(sc, 255, 1);*/
501 fbrcons_init(fb);
502 #endif
503 } else
504 printf("\n");
505
506 #if NWSDISPLAY > 0
507 wsfont_init();
508
509 vcons_init(&sc->vd, sc, &p9100_defscreendesc, &p9100_accessops);
510 sc->vd.init_screen = p9100_init_screen;
511
512 vcons_init_screen(&sc->vd, &p9100_console_screen, 1, &defattr);
513 p9100_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
514
515 sc->sc_bg = (defattr >> 16) & 0xff;
516 p9100_clearscreen(sc);
517
518 ri = &p9100_console_screen.scr_ri;
519
520 p9100_defscreendesc.nrows = ri->ri_rows;
521 p9100_defscreendesc.ncols = ri->ri_cols;
522 p9100_defscreendesc.textops = &ri->ri_ops;
523 p9100_defscreendesc.capabilities = ri->ri_caps;
524
525 if(isconsole) {
526 wsdisplay_cnattach(&p9100_defscreendesc, ri, 0, 0, defattr);
527 }
528
529 aa.console = isconsole;
530 aa.scrdata = &p9100_screenlist;
531 aa.accessops = &p9100_accessops;
532 aa.accesscookie = &sc->vd;
533
534 config_found(self, &aa, wsemuldisplaydevprint);
535 #endif
536 fb->fb_type.fb_size = fb->fb_type.fb_height * fb->fb_linebytes;
537 printf(": rev %d / %x, %dx%d, depth %d mem %x",
538 (i & 7), ver, fb->fb_type.fb_width, fb->fb_type.fb_height,
539 fb->fb_type.fb_depth, (unsigned int)sc->sc_fb_psize);
540 /* cursor sprite handling */
541 p9100_init_cursor(sc);
542
543 /* attach the fb */
544 fb_attach(fb, isconsole);
545
546 /* register with power management */
547 sc->sc_video = 1;
548 sc->sc_powerstate = PWR_RESUME;
549 powerhook_establish(device_xname(sc->sc_dev), p9100_power_hook, sc);
550
551 #if NTCTRL > 0
552 /* register callback for external monitor status change */
553 tadpole_register_callback(p9100_set_extvga, sc);
554 #endif
555 }
556
557 static void
558 p9100_shutdown(void *arg)
559 {
560 struct p9100_softc *sc = arg;
561
562 #ifdef RASTERCONSOLE
563 sc->sc_cmap.cm_map[0][0] = 0xff;
564 sc->sc_cmap.cm_map[0][1] = 0xff;
565 sc->sc_cmap.cm_map[0][2] = 0xff;
566 sc->sc_cmap.cm_map[1][0] = 0;
567 sc->sc_cmap.cm_map[1][1] = 0;
568 sc->sc_cmap.cm_map[1][2] = 0x00;
569 p9100loadcmap(sc, 0, 2);
570 sc->sc_cmap.cm_map[255][0] = 0;
571 sc->sc_cmap.cm_map[255][1] = 0;
572 sc->sc_cmap.cm_map[255][2] = 0;
573 p9100loadcmap(sc, 255, 1);
574 #endif
575 p9100_set_video(sc, 1);
576 }
577
578 int
579 p9100open(dev_t dev, int flags, int mode, struct lwp *l)
580 {
581 int unit = minor(dev);
582
583 if (device_lookup(&pnozz_cd, unit) == NULL)
584 return (ENXIO);
585 return (0);
586 }
587
588 int
589 p9100ioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l)
590 {
591 struct p9100_softc *sc = device_lookup_private(&pnozz_cd, minor(dev));
592 struct fbgattr *fba;
593 int error, v;
594
595 switch (cmd) {
596
597 case FBIOGTYPE:
598 *(struct fbtype *)data = sc->sc_fb.fb_type;
599 break;
600
601 case FBIOGATTR:
602 fba = (struct fbgattr *)data;
603 fba->real_type = sc->sc_fb.fb_type.fb_type;
604 fba->owner = 0; /* XXX ??? */
605 fba->fbtype = sc->sc_fb.fb_type;
606 fba->sattr.flags = 0;
607 fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type;
608 fba->sattr.dev_specific[0] = -1;
609 fba->emu_types[0] = sc->sc_fb.fb_type.fb_type;
610 fba->emu_types[1] = -1;
611 break;
612
613 case FBIOGETCMAP:
614 #define p ((struct fbcmap *)data)
615 return (bt_getcmap(p, &sc->sc_cmap, 256, 1));
616
617 case FBIOPUTCMAP:
618 /* copy to software map */
619 error = bt_putcmap(p, &sc->sc_cmap, 256, 1);
620 if (error)
621 return (error);
622 /* now blast them into the chip */
623 /* XXX should use retrace interrupt */
624 p9100loadcmap(sc, p->index, p->count);
625 #undef p
626 break;
627
628 case FBIOGVIDEO:
629 *(int *)data = p9100_get_video(sc);
630 break;
631
632 case FBIOSVIDEO:
633 p9100_set_video(sc, *(int *)data);
634 break;
635
636 /* these are for both FBIOSCURSOR and FBIOGCURSOR */
637 #define p ((struct fbcursor *)data)
638 #define pc (&sc->sc_cursor)
639
640 case FBIOGCURSOR:
641 p->set = FB_CUR_SETALL; /* close enough, anyway */
642 p->enable = pc->pc_enable;
643 p->pos = pc->pc_pos;
644 p->hot = pc->pc_hot;
645 p->size = pc->pc_size;
646
647 if (p->image != NULL) {
648 error = copyout(pc->pc_bits, p->image, 0x200);
649 if (error)
650 return error;
651 error = copyout(&pc->pc_bits[0x80], p->mask, 0x200);
652 if (error)
653 return error;
654 }
655
656 p->cmap.index = 0;
657 p->cmap.count = 3;
658 if (p->cmap.red != NULL) {
659 copyout(pc->red, p->cmap.red, 3);
660 copyout(pc->green, p->cmap.green, 3);
661 copyout(pc->blue, p->cmap.blue, 3);
662 }
663 break;
664
665 case FBIOSCURSOR:
666 {
667 int count;
668 uint32_t image[0x80], mask[0x80];
669 uint8_t red[3], green[3], blue[3];
670
671 v = p->set;
672 if (v & FB_CUR_SETCMAP) {
673 error = copyin(p->cmap.red, red, 3);
674 error |= copyin(p->cmap.green, green, 3);
675 error |= copyin(p->cmap.blue, blue, 3);
676 if (error)
677 return error;
678 }
679 if (v & FB_CUR_SETSHAPE) {
680 if (p->size.x > 64 || p->size.y > 64)
681 return EINVAL;
682 memset(&mask, 0, 0x200);
683 memset(&image, 0, 0x200);
684 count = p->size.y * 8;
685 error = copyin(p->image, image, count);
686 if (error)
687 return error;
688 error = copyin(p->mask, mask, count);
689 if (error)
690 return error;
691 }
692
693 /* parameters are OK; do it */
694 if (v & (FB_CUR_SETCUR | FB_CUR_SETPOS | FB_CUR_SETHOT)) {
695 if (v & FB_CUR_SETCUR)
696 pc->pc_enable = p->enable;
697 if (v & FB_CUR_SETPOS)
698 pc->pc_pos = p->pos;
699 if (v & FB_CUR_SETHOT)
700 pc->pc_hot = p->hot;
701 p9100_set_fbcursor(sc);
702 }
703
704 if (v & FB_CUR_SETCMAP) {
705 memcpy(pc->red, red, 3);
706 memcpy(pc->green, green, 3);
707 memcpy(pc->blue, blue, 3);
708 p9100_setcursorcmap(sc);
709 }
710
711 if (v & FB_CUR_SETSHAPE) {
712 memcpy(pc->pc_bits, image, 0x200);
713 memcpy(&pc->pc_bits[0x80], mask, 0x200);
714 p9100_loadcursor(sc);
715 }
716 }
717 break;
718
719 #undef p
720 #undef cc
721
722 case FBIOGCURPOS:
723 *(struct fbcurpos *)data = sc->sc_cursor.pc_pos;
724 break;
725
726 case FBIOSCURPOS:
727 sc->sc_cursor.pc_pos = *(struct fbcurpos *)data;
728 p9100_set_fbcursor(sc);
729 break;
730
731 case FBIOGCURMAX:
732 /* max cursor size is 64x64 */
733 ((struct fbcurpos *)data)->x = 64;
734 ((struct fbcurpos *)data)->y = 64;
735 break;
736
737 default:
738 return (ENOTTY);
739 }
740 return (0);
741 }
742
743 static uint32_t
744 p9100_ctl_read_4(struct p9100_softc *sc, bus_size_t off)
745 {
746
747 PNOZZ_LATCH(sc, off);
748 return bus_space_read_4(sc->sc_bustag, sc->sc_ctl_memh, off);
749 }
750
751 static void
752 p9100_ctl_write_4(struct p9100_softc *sc, bus_size_t off, uint32_t v)
753 {
754
755 PNOZZ_LATCH(sc, off);
756 bus_space_write_4(sc->sc_bustag, sc->sc_ctl_memh, off, v);
757 }
758
759 /* initialize the drawing engine */
760 static void
761 p9100_init_engine(struct p9100_softc *sc)
762 {
763 /* reset clipping rectangles */
764 uint32_t rmax = ((sc->sc_width & 0x3fff) << 16) |
765 (sc->sc_height & 0x3fff);
766
767 sc->sc_last_offset = 0xffffffff;
768
769 p9100_ctl_write_4(sc, WINDOW_OFFSET, 0);
770 p9100_ctl_write_4(sc, WINDOW_MIN, 0);
771 p9100_ctl_write_4(sc, WINDOW_MAX, rmax);
772 p9100_ctl_write_4(sc, BYTE_CLIP_MIN, 0);
773 p9100_ctl_write_4(sc, BYTE_CLIP_MAX, rmax);
774 p9100_ctl_write_4(sc, DRAW_MODE, 0);
775 p9100_ctl_write_4(sc, PLANE_MASK, 0xffffffff);
776 p9100_ctl_write_4(sc, PATTERN0, 0xffffffff);
777 p9100_ctl_write_4(sc, PATTERN1, 0xffffffff);
778 p9100_ctl_write_4(sc, PATTERN2, 0xffffffff);
779 p9100_ctl_write_4(sc, PATTERN3, 0xffffffff);
780
781 }
782
783 /* we only need these in the wsdisplay case */
784 #if NWSDISPLAY > 0
785
786 /* wait until the engine is idle */
787 static void
788 p9100_sync(struct p9100_softc *sc)
789 {
790 while((p9100_ctl_read_4(sc, ENGINE_STATUS) &
791 (ENGINE_BUSY | BLITTER_BUSY)) != 0);
792 }
793
794 static void
795 p9100_set_color_reg(struct p9100_softc *sc, int reg, int32_t col)
796 {
797 uint32_t out;
798
799 switch(sc->sc_depth)
800 {
801 case 1: /* 8 bit */
802 out = (col << 8) | col;
803 out |= out << 16;
804 break;
805 case 2: /* 16 bit */
806 out = col | (col << 16);
807 break;
808 default:
809 out = col;
810 }
811 p9100_ctl_write_4(sc, reg, out);
812 }
813
814 /* screen-to-screen blit */
815 static void
816 p9100_bitblt(void *cookie, int xs, int ys, int xd, int yd, int wi,
817 int he, uint32_t rop)
818 {
819 struct p9100_softc *sc = cookie;
820 uint32_t src, dst, srcw, dstw;
821
822 sc->sc_last_offset = 0xffffffff;
823
824 src = ((xs & 0x3fff) << 16) | (ys & 0x3fff);
825 dst = ((xd & 0x3fff) << 16) | (yd & 0x3fff);
826 srcw = (((xs + wi - 1) & 0x3fff) << 16) | ((ys + he - 1) & 0x3fff);
827 dstw = (((xd + wi - 1) & 0x3fff) << 16) | ((yd + he - 1) & 0x3fff);
828
829 p9100_sync(sc);
830
831 p9100_ctl_write_4(sc, RASTER_OP, rop);
832
833 p9100_ctl_write_4(sc, ABS_XY0, src << sc->sc_depthshift);
834 p9100_ctl_write_4(sc, ABS_XY1, srcw << sc->sc_depthshift);
835 p9100_ctl_write_4(sc, ABS_XY2, dst << sc->sc_depthshift);
836 p9100_ctl_write_4(sc, ABS_XY3, dstw << sc->sc_depthshift);
837
838 sc->sc_junk = p9100_ctl_read_4(sc, COMMAND_BLIT);
839 }
840
841 /* solid rectangle fill */
842 static void
843 p9100_rectfill(void *cookie, int xs, int ys, int wi, int he, uint32_t col)
844 {
845 struct p9100_softc *sc = cookie;
846 uint32_t src, srcw;
847
848 sc->sc_last_offset = 0xffffffff;
849
850 src = ((xs & 0x3fff) << 16) | (ys & 0x3fff);
851 srcw = (((xs + wi) & 0x3fff) << 16) | ((ys + he) & 0x3fff);
852 p9100_sync(sc);
853 p9100_set_color_reg(sc, FOREGROUND_COLOR, col);
854 p9100_set_color_reg(sc, BACKGROUND_COLOR, col);
855 p9100_ctl_write_4(sc, RASTER_OP, ROP_PAT);
856 p9100_ctl_write_4(sc, COORD_INDEX, 0);
857 p9100_ctl_write_4(sc, RECT_RTW_XY, src);
858 p9100_ctl_write_4(sc, RECT_RTW_XY, srcw);
859 sc->sc_junk = p9100_ctl_read_4(sc, COMMAND_QUAD);
860 }
861
862 /* setup for mono->colour expansion */
863 static void
864 p9100_setup_mono(struct p9100_softc *sc, int x, int y, int wi, int he,
865 uint32_t fg, uint32_t bg)
866 {
867
868 sc->sc_last_offset = 0xffffffff;
869
870 p9100_sync(sc);
871 /*
872 * this doesn't make any sense to me either, but for some reason the
873 * chip applies the foreground colour to 0 pixels
874 */
875
876 p9100_set_color_reg(sc,FOREGROUND_COLOR,bg);
877 p9100_set_color_reg(sc,BACKGROUND_COLOR,fg);
878
879 p9100_ctl_write_4(sc, RASTER_OP, ROP_SRC);
880 p9100_ctl_write_4(sc, ABS_X0, x);
881 p9100_ctl_write_4(sc, ABS_XY1, (x << 16) | (y & 0xFFFFL));
882 p9100_ctl_write_4(sc, ABS_X2, (x + wi));
883 p9100_ctl_write_4(sc, ABS_Y3, he);
884 /* now feed the data into the chip */
885 sc->sc_mono_width = wi;
886 }
887
888 /* write monochrome data to the screen through the blitter */
889 static void
890 p9100_feed_line(struct p9100_softc *sc, int count, uint8_t *data)
891 {
892 int i;
893 uint32_t latch = 0, bork;
894 int shift = 24;
895 int to_go = sc->sc_mono_width;
896
897 PNOZZ_LATCH(sc, PIXEL_1);
898
899 for (i = 0; i < count; i++) {
900 bork = data[i];
901 latch |= (bork << shift);
902 if (shift == 0) {
903 /* check how many bits are significant */
904 if (to_go > 31) {
905 bus_space_write_4(sc->sc_bustag,
906 sc->sc_ctl_memh,
907 (PIXEL_1 + (31 << 2)), latch);
908 to_go -= 32;
909 } else
910 {
911 bus_space_write_4(sc->sc_bustag,
912 sc->sc_ctl_memh,
913 (PIXEL_1 + ((to_go - 1) << 2)), latch);
914 to_go = 0;
915 }
916 latch = 0;
917 shift = 24;
918 } else
919 shift -= 8;
920 }
921 if (shift != 24)
922 p9100_ctl_write_4(sc, (PIXEL_1 + ((to_go - 1) << 2)), latch);
923 }
924
925 static void
926 p9100_clearscreen(struct p9100_softc *sc)
927 {
928
929 p9100_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, sc->sc_bg);
930 }
931 #endif /* NWSDISPLAY > 0 */
932
933 static uint8_t
934 p9100_ramdac_read(struct p9100_softc *sc, bus_size_t off)
935 {
936
937 sc->sc_junk = p9100_ctl_read_4(sc, PWRUP_CNFG);
938 return ((bus_space_read_4(sc->sc_bustag,
939 sc->sc_ctl_memh, off) >> 16) & 0xff);
940 }
941
942 static void
943 p9100_ramdac_write(struct p9100_softc *sc, bus_size_t off, uint8_t v)
944 {
945
946 sc->sc_junk = p9100_ctl_read_4(sc, PWRUP_CNFG);
947 bus_space_write_4(sc->sc_bustag, sc->sc_ctl_memh, off,
948 ((uint32_t)v) << 16);
949 }
950
951 static uint8_t
952 p9100_ramdac_read_ctl(struct p9100_softc *sc, int off)
953 {
954 p9100_ramdac_write(sc, DAC_INDX_LO, off & 0xff);
955 p9100_ramdac_write(sc, DAC_INDX_HI, (off & 0xff00) >> 8);
956 return p9100_ramdac_read(sc, DAC_INDX_DATA);
957 }
958
959 #if NTCTRL > 0
960 static void
961 p9100_ramdac_write_ctl(struct p9100_softc *sc, int off, uint8_t val)
962 {
963 p9100_ramdac_write(sc, DAC_INDX_LO, off & 0xff);
964 p9100_ramdac_write(sc, DAC_INDX_HI, (off & 0xff00) >> 8);
965 p9100_ramdac_write(sc, DAC_INDX_DATA, val);
966 }
967 #endif /* NTCTRL > 0 */
968
969 /*
970 * Undo the effect of an FBIOSVIDEO that turns the video off.
971 */
972 static void
973 p9100unblank(device_t dev)
974 {
975 struct p9100_softc *sc = device_private(dev);
976
977 p9100_set_video((struct p9100_softc *)dev, 1);
978
979 /*
980 * Check if we're in terminal mode. If not force the console screen
981 * to front so we can see ddb, panic messages and so on
982 */
983 if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) {
984 sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
985 if (sc->vd.active != &p9100_console_screen) {
986 SCREEN_INVISIBLE(sc->vd.active);
987 sc->vd.active = &p9100_console_screen;
988 SCREEN_VISIBLE(&p9100_console_screen);
989 }
990 p9100_init_engine(sc);
991 p9100_set_depth(sc, 8);
992 vcons_redraw_screen(&p9100_console_screen);
993 }
994 }
995
996 static void
997 p9100_set_video(struct p9100_softc *sc, int enable)
998 {
999 u_int32_t v = p9100_ctl_read_4(sc, SCRN_RPNT_CTL_1);
1000
1001 if (enable)
1002 v |= VIDEO_ENABLED;
1003 else
1004 v &= ~VIDEO_ENABLED;
1005 p9100_ctl_write_4(sc, SCRN_RPNT_CTL_1, v);
1006 #if NTCTRL > 0
1007 /* Turn On/Off the TFT if we know how.
1008 */
1009 tadpole_set_video(enable);
1010 #endif
1011 }
1012
1013 static int
1014 p9100_get_video(struct p9100_softc *sc)
1015 {
1016 return (p9100_ctl_read_4(sc, SCRN_RPNT_CTL_1) & VIDEO_ENABLED) != 0;
1017 }
1018
1019 static void
1020 p9100_power_hook(int why, void *cookie)
1021 {
1022 struct p9100_softc *sc = cookie;
1023
1024 if (why == sc->sc_powerstate)
1025 return;
1026
1027 switch(why)
1028 {
1029 case PWR_SUSPEND:
1030 case PWR_STANDBY:
1031 sc->sc_video = p9100_get_video(sc);
1032 p9100_set_video(sc, 0);
1033 sc->sc_powerstate = why;
1034 break;
1035 case PWR_RESUME:
1036 p9100_set_video(sc, sc->sc_video);
1037 sc->sc_powerstate = why;
1038 break;
1039 }
1040 }
1041
1042 /*
1043 * Load a subset of the current (new) colormap into the IBM RAMDAC.
1044 */
1045 static void
1046 p9100loadcmap(struct p9100_softc *sc, int start, int ncolors)
1047 {
1048 int i;
1049 sc->sc_last_offset = 0xffffffff;
1050
1051 p9100_ramdac_write(sc, DAC_CMAP_WRIDX, start);
1052
1053 for (i=0;i<ncolors;i++) {
1054 p9100_ramdac_write(sc, DAC_CMAP_DATA,
1055 sc->sc_cmap.cm_map[i + start][0]);
1056 p9100_ramdac_write(sc, DAC_CMAP_DATA,
1057 sc->sc_cmap.cm_map[i + start][1]);
1058 p9100_ramdac_write(sc, DAC_CMAP_DATA,
1059 sc->sc_cmap.cm_map[i + start][2]);
1060 }
1061 }
1062
1063 /*
1064 * Return the address that would map the given device at the given
1065 * offset, allowing for the given protection, or return -1 for error.
1066 */
1067 static paddr_t
1068 p9100mmap(dev_t dev, off_t off, int prot)
1069 {
1070 struct p9100_softc *sc = device_lookup_private(&pnozz_cd, minor(dev));
1071
1072 if (off & PGOFSET)
1073 panic("p9100mmap");
1074 if (off < 0)
1075 return (-1);
1076
1077 #ifdef PNOZZ_EMUL_CG3
1078 #define CG3_MMAP_OFFSET 0x04000000
1079 /* Make Xsun think we are a CG3 (SUN3COLOR)
1080 */
1081 if (off >= CG3_MMAP_OFFSET && off < CG3_MMAP_OFFSET + sc->sc_fb_psize) {
1082 off -= CG3_MMAP_OFFSET;
1083 return (bus_space_mmap(sc->sc_bustag,
1084 sc->sc_fb_paddr,
1085 off,
1086 prot,
1087 BUS_SPACE_MAP_LINEAR));
1088 }
1089 #endif
1090
1091 if (off >= sc->sc_fb_psize + sc->sc_ctl_psize/* + sc->sc_cmd_psize*/)
1092 return (-1);
1093
1094 if (off < sc->sc_fb_psize) {
1095 return (bus_space_mmap(sc->sc_bustag,
1096 sc->sc_fb_paddr,
1097 off,
1098 prot,
1099 BUS_SPACE_MAP_LINEAR));
1100 }
1101
1102 off -= sc->sc_fb_psize;
1103 if (off < sc->sc_ctl_psize) {
1104 return (bus_space_mmap(sc->sc_bustag,
1105 sc->sc_ctl_paddr,
1106 off,
1107 prot,
1108 BUS_SPACE_MAP_LINEAR));
1109 }
1110 #if 0
1111 off -= sc->sc_ctl_psize;
1112
1113 return (bus_space_mmap(sc->sc_bustag,
1114 sc->sc_cmd_paddr,
1115 off,
1116 prot,
1117 BUS_SPACE_MAP_LINEAR));
1118 #endif
1119 return EINVAL;
1120 }
1121
1122 /* wscons stuff */
1123 #if NWSDISPLAY > 0
1124
1125 static void
1126 p9100_cursor(void *cookie, int on, int row, int col)
1127 {
1128 struct rasops_info *ri = cookie;
1129 struct vcons_screen *scr = ri->ri_hw;
1130 struct p9100_softc *sc = scr->scr_cookie;
1131 int x, y, wi,he;
1132
1133 wi = ri->ri_font->fontwidth;
1134 he = ri->ri_font->fontheight;
1135
1136 if (ri->ri_flg & RI_CURSOR) {
1137 x = ri->ri_ccol * wi + ri->ri_xorigin;
1138 y = ri->ri_crow * he + ri->ri_yorigin;
1139 p9100_bitblt(sc, x, y, x, y, wi, he, ROP_SRC ^ 0xff);
1140 ri->ri_flg &= ~RI_CURSOR;
1141 }
1142
1143 ri->ri_crow = row;
1144 ri->ri_ccol = col;
1145
1146 if (on)
1147 {
1148 x = ri->ri_ccol * wi + ri->ri_xorigin;
1149 y = ri->ri_crow * he + ri->ri_yorigin;
1150 p9100_bitblt(sc, x, y, x, y, wi, he, ROP_SRC ^ 0xff);
1151 ri->ri_flg |= RI_CURSOR;
1152 }
1153 }
1154
1155 #if 0
1156 static int
1157 p9100_mapchar(void *cookie, int uni, u_int *index)
1158 {
1159 return 0;
1160 }
1161 #endif
1162
1163 static void
1164 p9100_putchar(void *cookie, int row, int col, u_int c, long attr)
1165 {
1166 struct rasops_info *ri = cookie;
1167 struct vcons_screen *scr = ri->ri_hw;
1168 struct p9100_softc *sc = scr->scr_cookie;
1169
1170 int fg, bg, uc, i;
1171 uint8_t *data;
1172 int x, y, wi,he;
1173
1174 wi = ri->ri_font->fontwidth;
1175 he = ri->ri_font->fontheight;
1176
1177 if (!CHAR_IN_FONT(c, ri->ri_font))
1178 return;
1179
1180 bg = (u_char)ri->ri_devcmap[(attr >> 16) & 0xff];
1181 fg = (u_char)ri->ri_devcmap[(attr >> 24) & 0xff];
1182 x = ri->ri_xorigin + col * wi;
1183 y = ri->ri_yorigin + row * he;
1184
1185 if (c == 0x20) {
1186 p9100_rectfill(sc, x, y, wi, he, bg);
1187 } else {
1188 uc = c-ri->ri_font->firstchar;
1189 data = (uint8_t *)ri->ri_font->data + uc *
1190 ri->ri_fontscale;
1191
1192 p9100_setup_mono(sc, x, y, wi, 1, fg, bg);
1193 for (i = 0; i < he; i++) {
1194 p9100_feed_line(sc, ri->ri_font->stride,
1195 data);
1196 data += ri->ri_font->stride;
1197 }
1198 }
1199 }
1200
1201 /*
1202 * wsdisplay_accessops
1203 */
1204
1205 int
1206 p9100_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
1207 struct lwp *l)
1208 {
1209 struct vcons_data *vd = v;
1210 struct p9100_softc *sc = vd->cookie;
1211 struct wsdisplay_fbinfo *wdf;
1212 struct vcons_screen *ms = vd->active;
1213
1214 switch (cmd) {
1215 case WSDISPLAYIO_GTYPE:
1216 *(u_int *)data = WSDISPLAY_TYPE_SB_P9100;
1217 return 0;
1218
1219 case FBIOGVIDEO:
1220 case WSDISPLAYIO_GVIDEO:
1221 *(int *)data = p9100_get_video(sc);
1222 return 0;
1223
1224 case WSDISPLAYIO_SVIDEO:
1225 case FBIOSVIDEO:
1226 p9100_set_video(sc, *(int *)data);
1227 return 0;
1228
1229 case WSDISPLAYIO_GINFO:
1230 wdf = (void *)data;
1231 wdf->height = ms->scr_ri.ri_height;
1232 wdf->width = ms->scr_ri.ri_width;
1233 wdf->depth = ms->scr_ri.ri_depth;
1234 wdf->cmsize = 256;
1235 return 0;
1236
1237 case WSDISPLAYIO_GETCMAP:
1238 return p9100_getcmap(sc, (struct wsdisplay_cmap *)data);
1239
1240 case WSDISPLAYIO_PUTCMAP:
1241 return p9100_putcmap(sc, (struct wsdisplay_cmap *)data);
1242
1243 case WSDISPLAYIO_SMODE:
1244 {
1245 int new_mode = *(int*)data;
1246 if (new_mode != sc->sc_mode)
1247 {
1248 sc->sc_mode = new_mode;
1249 if (new_mode == WSDISPLAYIO_MODE_EMUL)
1250 {
1251 p9100_init_engine(sc);
1252 p9100_set_depth(sc, 8);
1253 p9100loadcmap(sc, 0, 256);
1254 p9100_clearscreen(sc);
1255 vcons_redraw_screen(ms);
1256 }
1257 }
1258 }
1259 }
1260 return EPASSTHROUGH;
1261 }
1262
1263 static paddr_t
1264 p9100_mmap(void *v, void *vs, off_t offset, int prot)
1265 {
1266 struct vcons_data *vd = v;
1267 struct p9100_softc *sc = vd->cookie;
1268 paddr_t pa;
1269
1270 /* 'regular' framebuffer mmap()ing */
1271 if (offset < sc->sc_fb_psize) {
1272 pa = bus_space_mmap(sc->sc_bustag, sc->sc_fb_paddr + offset, 0,
1273 prot, BUS_SPACE_MAP_LINEAR);
1274 return pa;
1275 }
1276
1277 if ((offset >= sc->sc_fb_paddr) && (offset < (sc->sc_fb_paddr +
1278 sc->sc_fb_psize))) {
1279 pa = bus_space_mmap(sc->sc_bustag, offset, 0, prot,
1280 BUS_SPACE_MAP_LINEAR);
1281 return pa;
1282 }
1283
1284 if ((offset >= sc->sc_ctl_paddr) && (offset < (sc->sc_ctl_paddr +
1285 sc->sc_ctl_psize))) {
1286 pa = bus_space_mmap(sc->sc_bustag, offset, 0, prot,
1287 BUS_SPACE_MAP_LINEAR);
1288 return pa;
1289 }
1290
1291 return -1;
1292 }
1293
1294 static void
1295 p9100_init_screen(void *cookie, struct vcons_screen *scr,
1296 int existing, long *defattr)
1297 {
1298 struct p9100_softc *sc = cookie;
1299 struct rasops_info *ri = &scr->scr_ri;
1300
1301 ri->ri_depth = sc->sc_depth << 3;
1302 ri->ri_width = sc->sc_width;
1303 ri->ri_height = sc->sc_height;
1304 ri->ri_stride = sc->sc_stride;
1305 ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
1306
1307 ri->ri_bits = bus_space_vaddr(sc->sc_bustag, sc->sc_fb_memh);
1308
1309 DPRINTF("addr: %08lx\n",(ulong)ri->ri_bits);
1310
1311 rasops_init(ri, sc->sc_height/8, sc->sc_width/8);
1312 ri->ri_caps = WSSCREEN_WSCOLORS;
1313 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
1314 sc->sc_width / ri->ri_font->fontwidth);
1315
1316 /* enable acceleration */
1317 ri->ri_ops.cursor = p9100_cursor;
1318 ri->ri_ops.copyrows = p9100_copyrows;
1319 ri->ri_ops.eraserows = p9100_eraserows;
1320 ri->ri_ops.copycols = p9100_copycols;
1321 ri->ri_ops.erasecols = p9100_erasecols;
1322 ri->ri_ops.putchar = p9100_putchar;
1323 ri->ri_ops.allocattr = p9100_allocattr;
1324 }
1325
1326 static int
1327 p9100_putcmap(struct p9100_softc *sc, struct wsdisplay_cmap *cm)
1328 {
1329 u_int index = cm->index;
1330 u_int count = cm->count;
1331 int i, error;
1332 u_char rbuf[256], gbuf[256], bbuf[256];
1333 u_char *r, *g, *b;
1334
1335 if (cm->index >= 256 || cm->count > 256 ||
1336 (cm->index + cm->count) > 256)
1337 return EINVAL;
1338 error = copyin(cm->red, &rbuf[index], count);
1339 if (error)
1340 return error;
1341 error = copyin(cm->green, &gbuf[index], count);
1342 if (error)
1343 return error;
1344 error = copyin(cm->blue, &bbuf[index], count);
1345 if (error)
1346 return error;
1347
1348 r = &rbuf[index];
1349 g = &gbuf[index];
1350 b = &bbuf[index];
1351
1352 for (i = 0; i < count; i++) {
1353 sc->sc_cmap.cm_map[index][0] = *r;
1354 sc->sc_cmap.cm_map[index][1] = *g;
1355 sc->sc_cmap.cm_map[index][2] = *b;
1356 index++;
1357 r++, g++, b++;
1358 }
1359 p9100loadcmap(sc, 0, 256);
1360 return 0;
1361 }
1362
1363 static int
1364 p9100_getcmap(struct p9100_softc *sc, struct wsdisplay_cmap *cm)
1365 {
1366 u_int index = cm->index;
1367 u_int count = cm->count;
1368 int error, i;
1369 uint8_t red[256], green[256], blue[256];
1370
1371 if (index >= 255 || count > 256 || index + count > 256)
1372 return EINVAL;
1373
1374 i = index;
1375 while (i < (index + count)) {
1376 red[i] = sc->sc_cmap.cm_map[i][0];
1377 green[i] = sc->sc_cmap.cm_map[i][1];
1378 blue[i] = sc->sc_cmap.cm_map[i][2];
1379 i++;
1380 }
1381 error = copyout(&red[index], cm->red, count);
1382 if (error)
1383 return error;
1384 error = copyout(&green[index], cm->green, count);
1385 if (error)
1386 return error;
1387 error = copyout(&blue[index], cm->blue, count);
1388 if (error)
1389 return error;
1390
1391 return 0;
1392 }
1393
1394 static void
1395 p9100_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
1396 {
1397 struct rasops_info *ri = cookie;
1398 struct vcons_screen *scr = ri->ri_hw;
1399 int32_t xs, xd, y, width, height;
1400
1401 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
1402 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
1403 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1404 width = ri->ri_font->fontwidth * ncols;
1405 height = ri->ri_font->fontheight;
1406 p9100_bitblt(scr->scr_cookie, xs, y, xd, y, width, height, ROP_SRC);
1407 }
1408
1409 static void
1410 p9100_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
1411 {
1412 struct rasops_info *ri = cookie;
1413 struct vcons_screen *scr = ri->ri_hw;
1414 int32_t x, y, width, height, bg;
1415
1416 x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
1417 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1418 width = ri->ri_font->fontwidth * ncols;
1419 height = ri->ri_font->fontheight;
1420 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1421 p9100_rectfill(scr->scr_cookie, x, y, width, height, bg);
1422 }
1423
1424 static void
1425 p9100_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
1426 {
1427 struct rasops_info *ri = cookie;
1428 struct vcons_screen *scr = ri->ri_hw;
1429 int32_t x, ys, yd, width, height;
1430
1431 x = ri->ri_xorigin;
1432 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
1433 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
1434 width = ri->ri_emuwidth;
1435 height = ri->ri_font->fontheight * nrows;
1436 p9100_bitblt(scr->scr_cookie, x, ys, x, yd, width, height, ROP_SRC);
1437 }
1438
1439 static void
1440 p9100_eraserows(void *cookie, int row, int nrows, long fillattr)
1441 {
1442 struct rasops_info *ri = cookie;
1443 struct vcons_screen *scr = ri->ri_hw;
1444 int32_t x, y, width, height, bg;
1445
1446 if ((row == 0) && (nrows == ri->ri_rows)) {
1447 x = y = 0;
1448 width = ri->ri_width;
1449 height = ri->ri_height;
1450 } else {
1451 x = ri->ri_xorigin;
1452 y = ri->ri_yorigin + ri->ri_font->fontheight * row;
1453 width = ri->ri_emuwidth;
1454 height = ri->ri_font->fontheight * nrows;
1455 }
1456 bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
1457 p9100_rectfill(scr->scr_cookie, x, y, width, height, bg);
1458 }
1459
1460
1461 static int
1462 p9100_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
1463 {
1464 if ((fg == 0) && (bg == 0))
1465 {
1466 fg = WS_DEFAULT_FG;
1467 bg = WS_DEFAULT_BG;
1468 }
1469
1470 *attrp = (fg & 0xff) << 24 | (bg & 0xff) << 16 | (flags & 0xff);
1471
1472 if (flags & WSATTR_REVERSE) {
1473 *attrp = (bg & 0xff) << 24 | (fg & 0xff) << 16 |
1474 (flags & 0xff) << 8;
1475 } else
1476 *attrp = (fg & 0xff) << 24 | (bg & 0xff) << 16 |
1477 (flags & 0xff) << 8;
1478
1479 return 0;
1480 }
1481
1482 #if 0
1483 static int
1484 p9100_load_font(void *v, void *cookie, struct wsdisplay_font *data)
1485 {
1486
1487 return 0;
1488 }
1489 #endif
1490
1491 #endif /* NWSDISPLAY > 0 */
1492
1493 #if 0
1494 static int
1495 p9100_intr(void *arg)
1496 {
1497 /*p9100_softc *sc=arg;*/
1498 DPRINTF(".");
1499 return 1;
1500 }
1501 #endif
1502
1503 static void
1504 p9100_init_cursor(struct p9100_softc *sc)
1505 {
1506
1507 memset(&sc->sc_cursor, 0, sizeof(struct pnozz_cursor));
1508 sc->sc_cursor.pc_size.x = 64;
1509 sc->sc_cursor.pc_size.y = 64;
1510
1511 }
1512
1513 static void
1514 p9100_set_fbcursor(struct p9100_softc *sc)
1515 {
1516 #ifdef PNOZZ_PARANOID
1517 int s;
1518
1519 s = splhigh(); /* just in case... */
1520 #endif
1521 sc->sc_last_offset = 0xffffffff;
1522
1523 /* set position and hotspot */
1524 p9100_ramdac_write(sc, DAC_INDX_CTL, DAC_INDX_AUTOINCR);
1525 p9100_ramdac_write(sc, DAC_INDX_HI, 0);
1526 p9100_ramdac_write(sc, DAC_INDX_LO, DAC_CURSOR_CTL);
1527 if (sc->sc_cursor.pc_enable) {
1528 p9100_ramdac_write(sc, DAC_INDX_DATA, DAC_CURSOR_X11 |
1529 DAC_CURSOR_64);
1530 } else
1531 p9100_ramdac_write(sc, DAC_INDX_DATA, DAC_CURSOR_OFF);
1532 /* next two registers - x low, high, y low, high */
1533 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_pos.x & 0xff);
1534 p9100_ramdac_write(sc, DAC_INDX_DATA, (sc->sc_cursor.pc_pos.x >> 8) &
1535 0xff);
1536 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_pos.y & 0xff);
1537 p9100_ramdac_write(sc, DAC_INDX_DATA, (sc->sc_cursor.pc_pos.y >> 8) &
1538 0xff);
1539 /* hotspot */
1540 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_hot.x & 0xff);
1541 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_hot.y & 0xff);
1542
1543 #ifdef PNOZZ_PARANOID
1544 splx(s);
1545 #endif
1546
1547 }
1548
1549 static void
1550 p9100_setcursorcmap(struct p9100_softc *sc)
1551 {
1552 int i;
1553
1554 #ifdef PNOZZ_PARANOID
1555 int s;
1556 s = splhigh(); /* just in case... */
1557 #endif
1558 sc->sc_last_offset = 0xffffffff;
1559
1560 /* set cursor colours */
1561 p9100_ramdac_write(sc, DAC_INDX_CTL, DAC_INDX_AUTOINCR);
1562 p9100_ramdac_write(sc, DAC_INDX_HI, 0);
1563 p9100_ramdac_write(sc, DAC_INDX_LO, DAC_CURSOR_COL_1);
1564
1565 for (i = 0; i < 3; i++) {
1566 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.red[i]);
1567 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.green[i]);
1568 p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.blue[i]);
1569 }
1570
1571 #ifdef PNOZZ_PARANOID
1572 splx(s);
1573 #endif
1574 }
1575
1576 static void
1577 p9100_loadcursor(struct p9100_softc *sc)
1578 {
1579 uint32_t *image, *mask;
1580 uint32_t bit, bbit, im, ma;
1581 int i, j, k;
1582 uint8_t latch1, latch2;
1583
1584 #ifdef PNOZZ_PARANOID
1585 int s;
1586 s = splhigh(); /* just in case... */
1587 #endif
1588 sc->sc_last_offset = 0xffffffff;
1589
1590 /* set cursor shape */
1591 p9100_ramdac_write(sc, DAC_INDX_CTL, DAC_INDX_AUTOINCR);
1592 p9100_ramdac_write(sc, DAC_INDX_HI, 1);
1593 p9100_ramdac_write(sc, DAC_INDX_LO, 0);
1594
1595 image = sc->sc_cursor.pc_bits;
1596 mask = &sc->sc_cursor.pc_bits[0x80];
1597
1598 for (i = 0; i < 0x80; i++) {
1599 bit = 0x80000000;
1600 im = image[i];
1601 ma = mask[i];
1602 for (k = 0; k < 4; k++) {
1603 bbit = 0x1;
1604 latch1 = 0;
1605 for (j = 0; j < 4; j++) {
1606 if (im & bit)
1607 latch1 |= bbit;
1608 bbit <<= 1;
1609 if (ma & bit)
1610 latch1 |= bbit;
1611 bbit <<= 1;
1612 bit >>= 1;
1613 }
1614 bbit = 0x1;
1615 latch2 = 0;
1616 for (j = 0; j < 4; j++) {
1617 if (im & bit)
1618 latch2 |= bbit;
1619 bbit <<= 1;
1620 if (ma & bit)
1621 latch2 |= bbit;
1622 bbit <<= 1;
1623 bit >>= 1;
1624 }
1625 p9100_ramdac_write(sc, DAC_INDX_DATA, latch1);
1626 p9100_ramdac_write(sc, DAC_INDX_DATA, latch2);
1627 }
1628 }
1629 #ifdef PNOZZ_DEBUG_CURSOR
1630 printf("image:\n");
1631 for (i=0;i<0x80;i+=2)
1632 printf("%08x %08x\n", image[i], image[i+1]);
1633 printf("mask:\n");
1634 for (i=0;i<0x80;i+=2)
1635 printf("%08x %08x\n", mask[i], mask[i+1]);
1636 #endif
1637 #ifdef PNOZZ_PARANOID
1638 splx(s);
1639 #endif
1640 }
1641
1642 #if NTCTRL > 0
1643 static void
1644 p9100_set_extvga(void *cookie, int status)
1645 {
1646 struct p9100_softc *sc = cookie;
1647 #ifdef PNOZZ_PARANOID
1648 int s;
1649
1650 s = splhigh();
1651 #endif
1652
1653 #ifdef PNOZZ_DEBUG
1654 printf("%s: external VGA %s\n", device_xname(sc->sc_dev),
1655 status ? "on" : "off");
1656 #endif
1657
1658 sc->sc_last_offset = 0xffffffff;
1659
1660 if (status) {
1661 p9100_ramdac_write_ctl(sc, DAC_POWER_MGT,
1662 p9100_ramdac_read_ctl(sc, DAC_POWER_MGT) &
1663 ~DAC_POWER_IPWR_DISABLE);
1664 } else {
1665 p9100_ramdac_write_ctl(sc, DAC_POWER_MGT,
1666 p9100_ramdac_read_ctl(sc, DAC_POWER_MGT) |
1667 DAC_POWER_IPWR_DISABLE);
1668 }
1669 #ifdef PNOZZ_PARANOID
1670 splx(s);
1671 #endif
1672 }
1673 #endif /* NTCTRL > 0 */
1674
1675 static int
1676 upper_bit(uint32_t b)
1677 {
1678 uint32_t mask=0x80000000;
1679 int cnt = 31;
1680 if (b == 0)
1681 return -1;
1682 while ((mask != 0) && ((b & mask) == 0)) {
1683 mask = mask >> 1;
1684 cnt--;
1685 }
1686 return cnt;
1687 }
1688
1689 static int
1690 p9100_set_depth(struct p9100_softc *sc, int depth)
1691 {
1692 int new_sls;
1693 uint32_t bits, scr, memctl, mem;
1694 int s0, s1, s2, s3, ps, crtcline;
1695 uint8_t pf, mc3, es;
1696
1697 switch (depth) {
1698 case 8:
1699 sc->sc_depthshift = 0;
1700 ps = 2;
1701 pf = 3;
1702 mc3 = 0;
1703 es = 0; /* no swapping */
1704 memctl = 3;
1705 break;
1706 case 16:
1707 sc->sc_depthshift = 1;
1708 ps = 3;
1709 pf = 4;
1710 mc3 = 0;
1711 es = 2; /* swap bytes in 16bit words */
1712 memctl = 2;
1713 break;
1714 case 24:
1715 /* boo */
1716 printf("We don't DO 24bit pixels dammit!\n");
1717 return 0;
1718 case 32:
1719 sc->sc_depthshift = 2;
1720 ps = 5;
1721 pf = 6;
1722 mc3 = 0;
1723 es = 6; /* swap both half-words and bytes */
1724 memctl = 1; /* 0 */
1725 break;
1726 default:
1727 aprint_error("%s: bogus colour depth (%d)\n",
1728 __func__, depth);
1729 return FALSE;
1730 }
1731 /*
1732 * this could be done a lot shorter and faster but then nobody would
1733 * understand what the hell we're doing here without getting a major
1734 * headache. Scanline size is encoded as 4 shift values, 3 of them 3 bits
1735 * wide, 16 << n for n>0, one 2 bits, 512 << n for n>0. n==0 means 0
1736 */
1737 new_sls = sc->sc_width << sc->sc_depthshift;
1738 sc->sc_stride = new_sls;
1739 bits = new_sls;
1740 s3 = upper_bit(bits);
1741 if (s3 > 9) {
1742 bits &= ~(1 << s3);
1743 s3 -= 9;
1744 } else
1745 s3 = 0;
1746 s2 = upper_bit(bits);
1747 if (s2 > 0) {
1748 bits &= ~(1 << s2);
1749 s2 -= 4;
1750 } else
1751 s2 = 0;
1752 s1 = upper_bit(bits);
1753 if (s1 > 0) {
1754 bits &= ~(1 << s1);
1755 s1 -= 4;
1756 } else
1757 s1 = 0;
1758 s0 = upper_bit(bits);
1759 if (s0 > 0) {
1760 bits &= ~(1 << s0);
1761 s0 -= 4;
1762 } else
1763 s0 = 0;
1764
1765
1766 DPRINTF("sls: %x sh: %d %d %d %d leftover: %x\n", new_sls, s0, s1,
1767 s2, s3, bits);
1768
1769 /*
1770 * now let's put these values into the System Config Register. No need to
1771 * read it here since we (hopefully) just saved the content
1772 */
1773 scr = p9100_ctl_read_4(sc, SYS_CONF);
1774 scr = (s0 << SHIFT_0) | (s1 << SHIFT_1) | (s2 << SHIFT_2) |
1775 (s3 << SHIFT_3) | (ps << PIXEL_SHIFT) | (es << SWAP_SHIFT);
1776
1777 DPRINTF("new scr: %x DAC %x %x\n", scr, pf, mc3);
1778
1779 mem = p9100_ctl_read_4(sc, VID_MEM_CONFIG);
1780
1781 DPRINTF("old memctl: %08x\n", mem);
1782
1783 /* set shift and crtc clock */
1784 mem &= ~(0x0000fc00);
1785 mem |= (memctl << 10) | (memctl << 13);
1786 p9100_ctl_write_4(sc, VID_MEM_CONFIG, mem);
1787
1788 DPRINTF("new memctl: %08x\n", mem);
1789
1790 /* whack the engine... */
1791 p9100_ctl_write_4(sc, SYS_CONF, scr);
1792
1793 /* ok, whack the DAC */
1794 p9100_ramdac_write_ctl(sc, DAC_MISC_1, 0x11);
1795 p9100_ramdac_write_ctl(sc, DAC_MISC_2, 0x45);
1796 p9100_ramdac_write_ctl(sc, DAC_MISC_3, mc3);
1797 /*
1798 * despite the 3GX manual saying otherwise we don't need to mess with
1799 * any clock dividers here
1800 */
1801 p9100_ramdac_write_ctl(sc, DAC_MISC_CLK, 1);
1802 p9100_ramdac_write_ctl(sc, 3, 0);
1803 p9100_ramdac_write_ctl(sc, 4, 0);
1804
1805 p9100_ramdac_write_ctl(sc, DAC_POWER_MGT, 0);
1806 p9100_ramdac_write_ctl(sc, DAC_OPERATION, 0);
1807 p9100_ramdac_write_ctl(sc, DAC_PALETTE_CTRL, 0);
1808
1809 p9100_ramdac_write_ctl(sc, DAC_PIXEL_FMT, pf);
1810
1811 /* TODO: distinguish between 15 and 16 bit */
1812 p9100_ramdac_write_ctl(sc, DAC_8BIT_CTRL, 0);
1813 /* direct colour, linear, 565 */
1814 p9100_ramdac_write_ctl(sc, DAC_16BIT_CTRL, 0xc6);
1815 /* direct colour */
1816 p9100_ramdac_write_ctl(sc, DAC_32BIT_CTRL, 3);
1817
1818 /* From the 3GX manual. Needs magic number reduction */
1819 p9100_ramdac_write_ctl(sc, 0x10, 2);
1820 p9100_ramdac_write_ctl(sc, 0x11, 0);
1821 p9100_ramdac_write_ctl(sc, 0x14, 5);
1822 p9100_ramdac_write_ctl(sc, 0x08, 1);
1823 p9100_ramdac_write_ctl(sc, 0x15, 5);
1824 p9100_ramdac_write_ctl(sc, 0x16, 0x63);
1825
1826 /* whack the CRTC */
1827 /* we always transfer 64bit in one go */
1828 crtcline = sc->sc_stride >> 3;
1829
1830 DPRINTF("crtcline: %d\n", crtcline);
1831
1832 p9100_ctl_write_4(sc, VID_HTOTAL, (24 << sc->sc_depthshift) + crtcline);
1833 p9100_ctl_write_4(sc, VID_HSRE, 8 << sc->sc_depthshift);
1834 p9100_ctl_write_4(sc, VID_HBRE, 18 << sc->sc_depthshift);
1835 p9100_ctl_write_4(sc, VID_HBFE, (18 << sc->sc_depthshift) + crtcline);
1836
1837 #ifdef PNOZZ_DEBUG
1838 {
1839 uint32_t sscr;
1840 sscr = p9100_ctl_read_4(sc, SYS_CONF);
1841 printf("scr: %x\n", sscr);
1842 }
1843 #endif
1844 return TRUE;
1845 }
1846