xref: /netbsd/sys/arch/pmax/ibus/pm.c (revision 6550d01e)
1 /*	$NetBSD: pm.c,v 1.8 2010/05/15 20:31:10 tsutsui Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002, 2003 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Andrew Doran.
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 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: pm.c,v 1.8 2010/05/15 20:31:10 tsutsui Exp $");
34 
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/device.h>
39 #include <sys/buf.h>
40 #include <sys/ioctl.h>
41 
42 #include <machine/bus.h>
43 #include <machine/intr.h>
44 
45 #include <dev/wscons/wsconsio.h>
46 #include <dev/wscons/wsdisplayvar.h>
47 #include <dev/rasops/rasops.h>
48 #include <dev/wsfont/wsfont.h>
49 
50 #include <pmax/pmax/kn01.h>
51 
52 #include <pmax/ibus/ibusvar.h>
53 #include <pmax/ibus/pmreg.h>
54 
55 #include <uvm/uvm_extern.h>
56 
57 #define	CURSOR_MAX_SIZE	16
58 
59 struct hwcmap256 {
60 	uint8_t r[256];
61 	uint8_t g[256];
62 	uint8_t b[256];
63 };
64 
65 struct hwcursor64 {
66 	struct wsdisplay_curpos cc_pos;
67 	struct wsdisplay_curpos cc_hot;
68 	struct wsdisplay_curpos cc_size;
69 	uint8_t cc_color[6];
70 
71 	/*
72 	 * Max cursor size is 16x16.  The X server pads bitmap scanlines to
73 	 * a word boundary.  We take the easy route and waste some space.
74 	 */
75 	u_short cc_image[32 + 32];
76 };
77 
78 struct pm_softc {
79 	struct device		sc_dev;
80 	size_t			sc_cmap_size;
81 	size_t			sc_fb_size;
82 	int			sc_type;
83 	int			sc_blanked;
84 	int			sc_curenb;
85 	int			sc_changed;
86 	int			sc_nscreens;
87 	struct hwcursor64	sc_cursor;
88 	struct hwcmap256	sc_cmap;
89 };
90 #define	WSDISPLAY_CMAP_DOLUT	0x20
91 
92 int	pm_match(struct device *, struct cfdata *, void *);
93 void	pm_attach(struct device *, struct device *, void *);
94 int	pm_ioctl(void *, void *, u_long, void *, int, struct lwp *);
95 paddr_t	pm_mmap(void *, void *, off_t, int);
96 int	pm_alloc_screen(void *, const struct wsscreen_descr *,
97 				void **, int *, int *, long *);
98 void	pm_free_screen(void *, void *);
99 int	pm_show_screen(void *, void *, int,
100 			       void (*) (void *, int, int), void *);
101 void	pm_cursor_off(void);
102 void	pm_cursor_on(struct pm_softc *);
103 int	pm_cnattach(void);
104 void	pm_common_init(void);
105 int	pm_flush(struct pm_softc *);
106 int	pm_get_cmap(struct pm_softc *, struct wsdisplay_cmap *);
107 int	pm_set_cmap(struct pm_softc *, struct wsdisplay_cmap *);
108 int	pm_set_cursor(struct pm_softc *, struct wsdisplay_cursor *);
109 int	pm_get_cursor(struct pm_softc *, struct wsdisplay_cursor *);
110 void	pm_set_curpos(struct pm_softc *, struct wsdisplay_curpos *);
111 void	pm_init_cmap(struct pm_softc *);
112 
113 CFATTACH_DECL(pm, sizeof(struct pm_softc),
114    pm_match, pm_attach, NULL, NULL);
115 
116 struct rasops_info pm_ri;
117 
118 struct wsscreen_descr pm_stdscreen = {
119 	"std", 0, 0,
120 	0, /* textops */
121 	0, 0,
122 	WSSCREEN_REVERSE
123 };
124 
125 const struct wsscreen_descr *_pm_scrlist[] = {
126 	&pm_stdscreen,
127 };
128 
129 const struct wsscreen_list pm_screenlist = {
130 	sizeof(_pm_scrlist) / sizeof(struct wsscreen_descr *), _pm_scrlist
131 };
132 
133 const struct wsdisplay_accessops pm_accessops = {
134 	pm_ioctl,
135 	pm_mmap,
136 	pm_alloc_screen,
137 	pm_free_screen,
138 	pm_show_screen,
139 	0 /* load_font */
140 };
141 
142 u_int	pm_creg;
143 
144 int
145 pm_match(struct device *parent, struct cfdata *match, void *aux)
146 {
147 	struct ibus_attach_args *ia;
148 	void *pmaddr;
149 
150 	ia = aux;
151 	pmaddr = (void *)ia->ia_addr;
152 
153 	if (strcmp(ia->ia_name, "pm") != 0)
154 		return (0);
155 
156 	if (badaddr(pmaddr, 4))
157 		return (0);
158 
159 	return (1);
160 }
161 
162 void
163 pm_attach(struct device *parent, struct device *self, void *aux)
164 {
165 	struct pm_softc *sc;
166 	struct rasops_info *ri;
167 	struct wsemuldisplaydev_attach_args waa;
168 	int console;
169 
170 	sc = (struct pm_softc *)self;
171 	ri = &pm_ri;
172 	console = (ri->ri_bits != NULL);
173 
174 	if (console) {
175 		sc->sc_nscreens = 1;
176 		ri->ri_flg &= ~RI_NO_AUTO;
177 	} else
178 		pm_common_init();
179 
180 	printf(": %dx%d, %dbpp\n", ri->ri_width, ri->ri_height, ri->ri_depth);
181 
182 	pm_init_cmap(sc);
183 
184 	sc->sc_blanked = 0;
185 	sc->sc_curenb = 0;
186 
187 	waa.console = console;
188 	waa.scrdata = &pm_screenlist;
189 	waa.accessops = &pm_accessops;
190 	waa.accesscookie = sc;
191 
192 	config_found(self, &waa, wsemuldisplaydevprint);
193 }
194 
195 void
196 pm_init_cmap(struct pm_softc *sc)
197 {
198 	struct hwcmap256 *cm;
199 	struct rasops_info *ri;
200 	const uint8_t *p;
201 	int index;
202 
203 	cm = &sc->sc_cmap;
204 	ri = &pm_ri;
205 
206 	if (ri->ri_depth == 8) {
207 		p = rasops_cmap;
208 		for (index = 0; index < 256; index++, p += 3) {
209 			cm->r[index] = p[0];
210 			cm->g[index] = p[1];
211 			cm->b[index] = p[2];
212 		}
213 
214 		sc->sc_type = WSDISPLAY_TYPE_PM_COLOR;
215 		sc->sc_cmap_size = 256;
216 		sc->sc_fb_size = 0x100000;
217 	} else {
218 		cm->r[0] = 0x00;
219 		cm->g[0] = 0x00;
220 		cm->b[0] = 0x00;
221 
222 		cm->r[1] = 0x00;
223 		cm->g[1] = 0xff;
224 		cm->b[1] = 0x00;
225 
226 		sc->sc_type = WSDISPLAY_TYPE_PM_MONO;
227 		sc->sc_cmap_size = 2;
228 		sc->sc_fb_size = 0x40000;
229 	}
230 }
231 
232 void
233 pm_common_init(void)
234 {
235 	struct rasops_info *ri;
236 	int cookie, bior, i;
237 	PCCRegs *pcc;
238 	VDACRegs *vdac;
239 	uint16_t kn01csr;
240 
241 	kn01csr = *(volatile uint16_t *)MIPS_PHYS_TO_KSEG1(KN01_SYS_CSR);
242 	pcc = (void *)MIPS_PHYS_TO_KSEG1(KN01_SYS_PCC);
243 	vdac = (void *)MIPS_PHYS_TO_KSEG1(KN01_SYS_VDAC);
244 	ri = &pm_ri;
245 
246 	ri->ri_flg = RI_CENTER;
247 	if (ri->ri_bits == NULL)
248 		ri->ri_flg |= RI_NO_AUTO;
249 	ri->ri_depth = ((kn01csr & KN01_CSR_MONO) != 0 ? 1 : 8);
250 	ri->ri_width = 1024;
251 	ri->ri_height = 864;
252 	ri->ri_stride = (ri->ri_depth == 8 ? 1024 : 2048 / 8);
253 	ri->ri_bits = (void *)MIPS_PHYS_TO_KSEG1(KN01_PHYS_FBUF_START);
254 
255 	/*
256 	 * Clear the screen.
257 	 */
258 	memset(ri->ri_bits, 0, ri->ri_stride * ri->ri_height);
259 
260 	/*
261 	 * Get a font to use.
262 	 */
263 	bior = (ri->ri_depth == 8 ? WSDISPLAY_FONTORDER_L2R :
264 	    WSDISPLAY_FONTORDER_R2L);
265 
266 	wsfont_init();
267 	if (ri->ri_depth == 8)
268 		cookie = wsfont_find(NULL, 12, 0, 0, bior,
269 		    WSDISPLAY_FONTORDER_L2R);
270 	else
271 		cookie = wsfont_find(NULL, 8, 0, 0, bior,
272 		    WSDISPLAY_FONTORDER_L2R);
273 	if (cookie <= 0)
274 		cookie = wsfont_find(NULL, 0, 0, 0, bior,
275 		    WSDISPLAY_FONTORDER_L2R);
276 	if (cookie <= 0) {
277 		printf("pm: font table is empty\n");
278 		return;
279 	}
280 
281 	if (wsfont_lock(cookie, &ri->ri_font)) {
282 		printf("pm: couldn't lock font\n");
283 		return;
284 	}
285 	ri->ri_wsfcookie = cookie;
286 
287 	/*
288 	 * Set up the raster operations set.
289 	 */
290 	rasops_init(ri, 1000, 1000);
291 
292 	pm_stdscreen.nrows = ri->ri_rows;
293 	pm_stdscreen.ncols = ri->ri_cols;
294 	pm_stdscreen.textops = &ri->ri_ops;
295 	pm_stdscreen.capabilities = ri->ri_caps;
296 
297 	/*
298 	 * Initalize the VDAC.
299 	 */
300 	*(uint8_t *)MIPS_PHYS_TO_KSEG1(KN01_PHYS_COLMASK_START) = 0xff;
301 	wbflush();
302 
303 	vdac->overWA = 0x04; wbflush();
304 	vdac->over = 0x00; wbflush();
305 	vdac->over = 0x00; wbflush();
306 	vdac->over = 0x00; wbflush();
307 	vdac->overWA = 0x08; wbflush();
308 	vdac->over = 0x00; wbflush();
309 	vdac->over = 0x00; wbflush();
310 	vdac->over = 0x7f; wbflush();
311 	vdac->overWA = 0x0c; wbflush();
312 	vdac->over = 0xff; wbflush();
313 	vdac->over = 0xff; wbflush();
314 	vdac->over = 0xff; wbflush();
315 
316 	/*
317 	 * Set in the initial colormap.
318 	 */
319 	if (ri->ri_depth == 8) {
320 		vdac->mapWA = 0;
321 		wbflush();
322 
323 		for (i = 0; i < 256 * 3; i += 3) {
324 			vdac->map = rasops_cmap[i];
325 			wbflush();
326 			vdac->map = rasops_cmap[i + 1];
327 			wbflush();
328 			vdac->map = rasops_cmap[i + 2];
329 			wbflush();
330 		}
331 	} else {
332 		vdac->mapWA = 0;
333 		wbflush();
334 
335 		for (i = 0; i < 256; i++) {
336 			vdac->map = 0x00;
337 			wbflush();
338 			vdac->map = (i < 128 ? 0x00 : 0xff);
339 			wbflush();
340 			vdac->map = 0x00;
341 			wbflush();
342 		}
343 	}
344 
345 	/*
346 	 * Turn off the hardware cursor sprite for text mode.
347 	 */
348 	pcc->cmdr = PCC_FOPB | PCC_VBHI;
349 	wbflush();
350 	pm_creg = 0;
351 	pm_cursor_off();
352 }
353 
354 void
355 pm_cursor_off(void)
356 {
357 	PCCRegs *pcc;
358 
359 	pcc = (void *)MIPS_PHYS_TO_KSEG1(KN01_SYS_PCC);
360 	pcc->cmdr = (pm_creg &= ~(PCC_ENPA | PCC_ENPB));
361 	wbflush();
362 }
363 
364 void
365 pm_cursor_on(struct pm_softc *sc)
366 {
367 	PCCRegs *pcc;
368 
369 	if (sc->sc_curenb) {
370 		pcc = (void *)MIPS_PHYS_TO_KSEG1(KN01_SYS_PCC);
371 		pcc->cmdr = (pm_creg |= (PCC_ENPA | PCC_ENPB));
372 		wbflush();
373 	}
374 }
375 
376 int
377 pm_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
378 {
379 	struct pm_softc *sc;
380 	struct rasops_info *ri;
381 	int turnoff, rv, i;
382 	PCCRegs *pcc;
383 	VDACRegs *vdac;
384 
385 	sc = v;
386 	ri = &pm_ri;
387 	rv = 0;
388 	pcc = (void *)MIPS_PHYS_TO_KSEG1(KN01_SYS_PCC);
389 	vdac = (void *)MIPS_PHYS_TO_KSEG1(KN01_SYS_VDAC);
390 
391 	switch (cmd) {
392 	case WSDISPLAYIO_GTYPE:
393 		*(u_int *)data = sc->sc_type;
394 		break;
395 
396 	case WSDISPLAYIO_SMODE:
397 		if (*(u_int *)data == WSDISPLAYIO_MODE_EMUL) {
398 			pm_cursor_off();
399 			pm_init_cmap(sc);
400 			memset(ri->ri_bits, 0, ri->ri_stride * ri->ri_height);
401 			sc->sc_curenb = 0;
402 			sc->sc_changed |= WSDISPLAY_CMAP_DOLUT;
403 		}
404 		break;
405 
406 	case WSDISPLAYIO_GINFO:
407 #define	wsd_fbip ((struct wsdisplay_fbinfo *)data)
408 		wsd_fbip->height = ri->ri_height;
409 		wsd_fbip->width = ri->ri_width;
410 		wsd_fbip->depth = ri->ri_depth;
411 		wsd_fbip->cmsize = sc->sc_cmap_size;
412 #undef fbt
413 		break;
414 
415 	case WSDISPLAYIO_GETCMAP:
416 		rv = pm_get_cmap(sc, (struct wsdisplay_cmap *)data);
417 		break;
418 
419 	case WSDISPLAYIO_PUTCMAP:
420 		rv = pm_set_cmap(sc, (struct wsdisplay_cmap *)data);
421 		break;
422 
423 	case WSDISPLAYIO_SVIDEO:
424 		turnoff = (*(int *)data == WSDISPLAYIO_VIDEO_OFF);
425 		if ((sc->sc_blanked == 0) ^ turnoff) {
426 			sc->sc_blanked = turnoff;
427 			if (turnoff == 0) {
428 				pcc->cmdr =
429 				    (pm_creg &= ~(PCC_FOPA | PCC_FOPB));
430 				wbflush();
431 				pm_cursor_on(sc);
432 				sc->sc_changed |= WSDISPLAY_CURSOR_DOCMAP;
433 			} else {
434 				pm_cursor_off();
435 				pcc->cmdr =
436 				    (pm_creg |= (PCC_FOPA | PCC_FOPB));
437 				wbflush();
438 				vdac->overWA = 0x0c;
439 				wbflush();
440 				for (i = 0; i < 3; i++) {
441 					vdac->over = 0;
442 					wbflush();
443 				}
444 			}
445 		}
446 		break;
447 
448 	case WSDISPLAYIO_GVIDEO:
449 		*(u_int *)data = (sc->sc_blanked ?
450 		    WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON);
451 		break;
452 
453 	case WSDISPLAYIO_GCURPOS:
454 		*(struct wsdisplay_curpos *)data = sc->sc_cursor.cc_pos;
455 		break;
456 
457 	case WSDISPLAYIO_SCURPOS:
458 		pm_set_curpos(sc, (struct wsdisplay_curpos *)data);
459 		sc->sc_changed |= WSDISPLAY_CURSOR_DOPOS;
460 		break;
461 
462 	case WSDISPLAYIO_GCURMAX:
463 		((struct wsdisplay_curpos *)data)->x =
464 		((struct wsdisplay_curpos *)data)->y = CURSOR_MAX_SIZE;
465 		break;
466 
467 	case WSDISPLAYIO_GCURSOR:
468 		rv = pm_get_cursor(sc, (struct wsdisplay_cursor *)data);
469 		break;
470 
471 	case WSDISPLAYIO_SCURSOR:
472 		rv = pm_set_cursor(sc, (struct wsdisplay_cursor *)data);
473 		break;
474 
475 	default:
476 		rv = ENOTTY;
477 		break;
478 	}
479 
480 	pm_flush(sc);
481 	return (rv);
482 }
483 
484 paddr_t
485 pm_mmap(void *v, void *vs, off_t offset, int prot)
486 {
487 	struct pm_softc *sc;
488 
489 	sc = v;
490 
491 	if (offset >= sc->sc_fb_size || offset < 0)
492 		return (-1);
493 
494 	return (mips_btop(KN01_PHYS_FBUF_START + offset));
495 }
496 
497 int
498 pm_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
499 		int *curxp, int *curyp, long *attrp)
500 {
501 	struct pm_softc *sc;
502 	struct rasops_info *ri;
503 	long defattr;
504 
505 	sc = v;
506 	ri = &pm_ri;
507 
508 	if (sc->sc_nscreens > 0)
509 		return (ENOMEM);
510 
511 	*cookiep = ri;	 /* one and only for now */
512 	*curxp = 0;
513 	*curyp = 0;
514 	(*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
515 	*attrp = defattr;
516 	sc->sc_nscreens++;
517 	return (0);
518 }
519 
520 void
521 pm_free_screen(void *v, void *cookie)
522 {
523 
524 	panic("pm_free_screen: console");
525 }
526 
527 int
528 pm_show_screen(void *v, void *cookie, int waitok,
529 	       void (*cb)(void *, int, int), void *cbarg)
530 {
531 
532 	return (0);
533 }
534 
535 /* EXPORT */ int
536 pm_cnattach(void)
537 {
538 	struct rasops_info *ri;
539 	long defattr;
540 
541 	ri = &pm_ri;
542 
543 	pm_common_init();
544 	(*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
545 	wsdisplay_cnattach(&pm_stdscreen, ri, 0, 0, defattr);
546 	return (1);
547 }
548 
549 int
550 pm_flush(struct pm_softc *sc)
551 {
552 	VDACRegs *vdac;
553 	PCCRegs *pcc;
554 	uint8_t *cp;
555 	int v, i, x, y;
556 	u_short *p, *pe;
557 	struct hwcmap256 *cm;
558 	struct rasops_info *ri;
559 
560 	if (sc->sc_changed == 0)
561 		return (1);
562 
563 	vdac = (void *)MIPS_PHYS_TO_KSEG1(KN01_SYS_VDAC);
564 	pcc = (void *)MIPS_PHYS_TO_KSEG1(KN01_SYS_PCC);
565 	ri = &pm_ri;
566 	v = sc->sc_changed;
567 
568 	if ((v & WSDISPLAY_CURSOR_DOCUR) != 0) {
569 		if (sc->sc_curenb)
570 			pm_cursor_on(sc);
571 		else
572 			pm_cursor_off();
573 	}
574 
575 	if ((v & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOHOT)) != 0) {
576 		x = sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x;
577 		y = sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y;
578 		pcc->xpos = x + PCC_X_OFFSET;
579 		pcc->ypos = y + PCC_Y_OFFSET;
580 		wbflush();
581 	}
582 	if ((v & WSDISPLAY_CURSOR_DOCMAP) != 0) {
583 		cp = sc->sc_cursor.cc_color;
584 
585 		vdac->overWA = 0x04;
586 		wbflush();
587 		for (i = 1; i < 6; i += 2) {
588 			vdac->over = cp[i];
589 			wbflush();
590 		}
591 
592 		vdac->overWA = 0x08;
593 		wbflush();
594 		vdac->over = 0x00;
595 		wbflush();
596 		vdac->over = 0x00;
597 		wbflush();
598 		vdac->over = 0x7f;
599 		wbflush();
600 
601 		vdac->overWA = 0x0c;
602 		wbflush();
603 		for (i = 0; i < 6; i += 2) {
604 			vdac->over = cp[i];
605 			wbflush();
606 		}
607 	}
608 	if ((v & WSDISPLAY_CURSOR_DOSHAPE) != 0) {
609 		pcc->cmdr = (pm_creg | PCC_LODSA);
610 		wbflush();
611 
612 		p = sc->sc_cursor.cc_image;
613 		x = 0xffff >> (16 - sc->sc_cursor.cc_size.x);
614 		for (pe = p + 64; p < pe; p += 2) {
615 			pcc->memory = *p & x;
616 			wbflush();
617 		}
618 
619 		pcc->cmdr = (pm_creg &= ~PCC_LODSA);
620 		wbflush();
621 	}
622 
623 	if ((v & WSDISPLAY_CMAP_DOLUT) != 0) {
624 		cm = &sc->sc_cmap;
625 
626 		vdac->mapWA = 0;
627 		wbflush();
628 
629 		if (sc->sc_cmap_size == 2) {
630 			for (i = 0; i < 128; i++) {
631 				vdac->map = 0;
632 				wbflush();
633 				vdac->map = cm->g[0];
634 				wbflush();
635 				vdac->map = 0;
636 				wbflush();
637 			}
638 			for (; i < 256; i++) {
639 				vdac->map = 0;
640 				wbflush();
641 				vdac->map = cm->g[1];
642 				wbflush();
643 				vdac->map = 0;
644 				wbflush();
645 			}
646 		} else {
647 			for (i = 0; i < sc->sc_cmap_size; i++) {
648 				vdac->map = cm->r[i];
649 				wbflush();
650 				vdac->map = cm->g[i];
651 				wbflush();
652 				vdac->map = cm->b[i];
653 				wbflush();
654 			}
655 		}
656 	}
657 
658 	sc->sc_changed = 0;
659 	return (1);
660 }
661 
662 int
663 pm_get_cmap(struct pm_softc *sc, struct wsdisplay_cmap *p)
664 {
665 	u_int index, count;
666 	int rv;
667 
668 	index = p->index;
669 	count = p->count;
670 
671 	if (index >= sc->sc_cmap_size || (index + count) > sc->sc_cmap_size)
672 		return (EINVAL);
673 
674 	if ((rv = copyout(&sc->sc_cmap.r[index], p->red, count)) != 0)
675 		return (rv);
676 	if ((rv = copyout(&sc->sc_cmap.g[index], p->green, count)) != 0)
677 		return (rv);
678 	return (copyout(&sc->sc_cmap.b[index], p->blue, count));
679 }
680 
681 int
682 pm_set_cmap(struct pm_softc *sc, struct wsdisplay_cmap *p)
683 {
684 	u_int index, count;
685 	int rv;
686 
687 	index = p->index;
688 	count = p->count;
689 
690 	if (index >= sc->sc_cmap_size || (index + count) > sc->sc_cmap_size)
691 		return (EINVAL);
692 
693 	if ((rv = copyin(p->red, &sc->sc_cmap.r[index], count)) != 0)
694 		return (rv);
695 	if ((rv = copyin(p->green, &sc->sc_cmap.g[index], count)) != 0)
696 		return (rv);
697 	if ((rv = copyin(p->blue, &sc->sc_cmap.b[index], count)) != 0)
698 		return (rv);
699 	sc->sc_changed |= WSDISPLAY_CMAP_DOLUT;
700 	return (0);
701 }
702 
703 int
704 pm_set_cursor(struct pm_softc *sc, struct wsdisplay_cursor *p)
705 {
706 	u_int v, index, count;
707 	struct hwcursor64 *cc;
708 	int rv;
709 
710 	v = p->which;
711 	cc = &sc->sc_cursor;
712 
713 	if ((v & WSDISPLAY_CURSOR_DOCUR) != 0)
714 		sc->sc_curenb = p->enable;
715 	if ((v & WSDISPLAY_CURSOR_DOPOS) != 0)
716 		pm_set_curpos(sc, &p->pos);
717 	if ((v & WSDISPLAY_CURSOR_DOHOT) != 0)
718 		cc->cc_hot = p->hot;
719 	if ((v & WSDISPLAY_CURSOR_DOCMAP) != 0) {
720 		index = p->cmap.index;
721 		count = p->cmap.count;
722 		if (index >= 2 || (index + count) > 2)
723 			return (EINVAL);
724 
725 		rv = copyin(p->cmap.red, &cc->cc_color[index], count);
726 		if (rv != 0)
727 			return (rv);
728 		rv = copyin(p->cmap.green, &cc->cc_color[index + 2], count);
729 		if (rv != 0)
730 			return (rv);
731 		rv = copyin(p->cmap.blue, &cc->cc_color[index + 4], count);
732 		if (rv != 0)
733 			return (rv);
734 	}
735 	if ((v & WSDISPLAY_CURSOR_DOSHAPE) != 0) {
736 		if (p->size.x > CURSOR_MAX_SIZE ||
737 		    p->size.y > CURSOR_MAX_SIZE)
738 			return (EINVAL);
739 
740 		cc->cc_size = p->size;
741 		memset(cc->cc_image, 0, sizeof(cc->cc_image));
742 		rv = copyin(p->image, cc->cc_image, p->size.y * 4);
743 		if (rv != 0)
744 			return (rv);
745 		rv = copyin(p->mask, cc->cc_image+32, p->size.y * 4);
746 		if (rv != 0)
747 			return (rv);
748 	}
749 
750 	sc->sc_changed |= v;
751 	return (0);
752 }
753 
754 int
755 pm_get_cursor(struct pm_softc *sc, struct wsdisplay_cursor *p)
756 {
757 
758 	return (ENOTTY); /* XXX */
759 }
760 
761 void
762 pm_set_curpos(struct pm_softc *sc, struct wsdisplay_curpos *curpos)
763 {
764 	struct rasops_info *ri;
765 	int x, y;
766 
767 	ri = &pm_ri;
768 	x = curpos->x;
769 	y = curpos->y;
770 
771 	if (y < 0)
772 		y = 0;
773 	else if (y > ri->ri_height)
774 		y = ri->ri_height;
775 	if (x < 0)
776 		x = 0;
777 	else if (x > ri->ri_width)
778 		x = ri->ri_width;
779 	sc->sc_cursor.cc_pos.x = x;
780 	sc->sc_cursor.cc_pos.y = y;
781 }
782