1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013 Oleksandr Tymoshenko <gonzo@freebsd.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD$");
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/bus.h>
34#include <sys/conf.h>
35#include <sys/endian.h>
36#include <sys/kernel.h>
37#include <sys/lock.h>
38#include <sys/malloc.h>
39#include <sys/module.h>
40#include <sys/mutex.h>
41#include <sys/resource.h>
42#include <sys/rman.h>
43#include <sys/fbio.h>
44#include <sys/consio.h>
45
46#include <sys/kdb.h>
47
48#include <machine/bus.h>
49#include <machine/resource.h>
50#include <machine/intr.h>
51
52#include <dev/ofw/ofw_bus.h>
53#include <dev/ofw/ofw_bus_subr.h>
54
55#include <dev/fb/fbreg.h>
56#include <dev/syscons/syscons.h>
57
58#include "am335x_lcd.h"
59
60struct video_adapter_softc {
61	/* Videoadpater part */
62	video_adapter_t	va;
63	int		console;
64
65	intptr_t	fb_addr;
66	intptr_t	fb_paddr;
67	unsigned int	fb_size;
68
69	unsigned int	height;
70	unsigned int	width;
71	unsigned int	depth;
72	unsigned int	stride;
73
74	unsigned int	xmargin;
75	unsigned int	ymargin;
76
77	unsigned char	*font;
78	int		initialized;
79};
80
81struct argb {
82	uint8_t		a;
83	uint8_t		r;
84	uint8_t		g;
85	uint8_t		b;
86};
87
88static struct argb am335x_syscons_palette[16] = {
89	{0x00, 0x00, 0x00, 0x00},
90	{0x00, 0x00, 0x00, 0xaa},
91	{0x00, 0x00, 0xaa, 0x00},
92	{0x00, 0x00, 0xaa, 0xaa},
93	{0x00, 0xaa, 0x00, 0x00},
94	{0x00, 0xaa, 0x00, 0xaa},
95	{0x00, 0xaa, 0x55, 0x00},
96	{0x00, 0xaa, 0xaa, 0xaa},
97	{0x00, 0x55, 0x55, 0x55},
98	{0x00, 0x55, 0x55, 0xff},
99	{0x00, 0x55, 0xff, 0x55},
100	{0x00, 0x55, 0xff, 0xff},
101	{0x00, 0xff, 0x55, 0x55},
102	{0x00, 0xff, 0x55, 0xff},
103	{0x00, 0xff, 0xff, 0x55},
104	{0x00, 0xff, 0xff, 0xff}
105};
106
107/* mouse pointer from dev/syscons/scgfbrndr.c */
108static u_char mouse_pointer[16] = {
109        0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
110        0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
111};
112
113#define	AM335X_FONT_HEIGHT	16
114
115#define FB_WIDTH		640
116#define FB_HEIGHT		480
117#define FB_DEPTH		24
118
119static struct video_adapter_softc va_softc;
120
121static int am335x_syscons_configure(int flags);
122
123/*
124 * Video driver routines and glue.
125 */
126static vi_probe_t		am335x_syscons_probe;
127static vi_init_t		am335x_syscons_init;
128static vi_get_info_t		am335x_syscons_get_info;
129static vi_query_mode_t		am335x_syscons_query_mode;
130static vi_set_mode_t		am335x_syscons_set_mode;
131static vi_save_font_t		am335x_syscons_save_font;
132static vi_load_font_t		am335x_syscons_load_font;
133static vi_show_font_t		am335x_syscons_show_font;
134static vi_save_palette_t	am335x_syscons_save_palette;
135static vi_load_palette_t	am335x_syscons_load_palette;
136static vi_set_border_t		am335x_syscons_set_border;
137static vi_save_state_t		am335x_syscons_save_state;
138static vi_load_state_t		am335x_syscons_load_state;
139static vi_set_win_org_t		am335x_syscons_set_win_org;
140static vi_read_hw_cursor_t	am335x_syscons_read_hw_cursor;
141static vi_set_hw_cursor_t	am335x_syscons_set_hw_cursor;
142static vi_set_hw_cursor_shape_t	am335x_syscons_set_hw_cursor_shape;
143static vi_blank_display_t	am335x_syscons_blank_display;
144static vi_mmap_t		am335x_syscons_mmap;
145static vi_ioctl_t		am335x_syscons_ioctl;
146static vi_clear_t		am335x_syscons_clear;
147static vi_fill_rect_t		am335x_syscons_fill_rect;
148static vi_bitblt_t		am335x_syscons_bitblt;
149static vi_diag_t		am335x_syscons_diag;
150static vi_save_cursor_palette_t	am335x_syscons_save_cursor_palette;
151static vi_load_cursor_palette_t	am335x_syscons_load_cursor_palette;
152static vi_copy_t		am335x_syscons_copy;
153static vi_putp_t		am335x_syscons_putp;
154static vi_putc_t		am335x_syscons_putc;
155static vi_puts_t		am335x_syscons_puts;
156static vi_putm_t		am335x_syscons_putm;
157
158static video_switch_t am335x_sysconsvidsw = {
159	.probe			= am335x_syscons_probe,
160	.init			= am335x_syscons_init,
161	.get_info		= am335x_syscons_get_info,
162	.query_mode		= am335x_syscons_query_mode,
163	.set_mode		= am335x_syscons_set_mode,
164	.save_font		= am335x_syscons_save_font,
165	.load_font		= am335x_syscons_load_font,
166	.show_font		= am335x_syscons_show_font,
167	.save_palette		= am335x_syscons_save_palette,
168	.load_palette		= am335x_syscons_load_palette,
169	.set_border		= am335x_syscons_set_border,
170	.save_state		= am335x_syscons_save_state,
171	.load_state		= am335x_syscons_load_state,
172	.set_win_org		= am335x_syscons_set_win_org,
173	.read_hw_cursor		= am335x_syscons_read_hw_cursor,
174	.set_hw_cursor		= am335x_syscons_set_hw_cursor,
175	.set_hw_cursor_shape	= am335x_syscons_set_hw_cursor_shape,
176	.blank_display		= am335x_syscons_blank_display,
177	.mmap			= am335x_syscons_mmap,
178	.ioctl			= am335x_syscons_ioctl,
179	.clear			= am335x_syscons_clear,
180	.fill_rect		= am335x_syscons_fill_rect,
181	.bitblt			= am335x_syscons_bitblt,
182	.diag			= am335x_syscons_diag,
183	.save_cursor_palette	= am335x_syscons_save_cursor_palette,
184	.load_cursor_palette	= am335x_syscons_load_cursor_palette,
185	.copy			= am335x_syscons_copy,
186	.putp			= am335x_syscons_putp,
187	.putc			= am335x_syscons_putc,
188	.puts			= am335x_syscons_puts,
189	.putm			= am335x_syscons_putm,
190};
191
192VIDEO_DRIVER(am335x_syscons, am335x_sysconsvidsw, am335x_syscons_configure);
193
194static vr_init_t am335x_rend_init;
195static vr_clear_t am335x_rend_clear;
196static vr_draw_border_t am335x_rend_draw_border;
197static vr_draw_t am335x_rend_draw;
198static vr_set_cursor_t am335x_rend_set_cursor;
199static vr_draw_cursor_t am335x_rend_draw_cursor;
200static vr_blink_cursor_t am335x_rend_blink_cursor;
201static vr_set_mouse_t am335x_rend_set_mouse;
202static vr_draw_mouse_t am335x_rend_draw_mouse;
203
204/*
205 * We use our own renderer; this is because we must emulate a hardware
206 * cursor.
207 */
208static sc_rndr_sw_t am335x_rend = {
209	am335x_rend_init,
210	am335x_rend_clear,
211	am335x_rend_draw_border,
212	am335x_rend_draw,
213	am335x_rend_set_cursor,
214	am335x_rend_draw_cursor,
215	am335x_rend_blink_cursor,
216	am335x_rend_set_mouse,
217	am335x_rend_draw_mouse
218};
219
220RENDERER(am335x_syscons, 0, am335x_rend, gfb_set);
221RENDERER_MODULE(am335x_syscons, gfb_set);
222
223static void
224am335x_rend_init(scr_stat* scp)
225{
226}
227
228static void
229am335x_rend_clear(scr_stat* scp, int c, int attr)
230{
231}
232
233static void
234am335x_rend_draw_border(scr_stat* scp, int color)
235{
236}
237
238static void
239am335x_rend_draw(scr_stat* scp, int from, int count, int flip)
240{
241	video_adapter_t* adp = scp->sc->adp;
242	int i, c, a;
243
244	if (!flip) {
245		/* Normal printing */
246		vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
247	} else {
248		/* This is for selections and such: invert the color attribute */
249		for (i = count; i-- > 0; ++from) {
250			c = sc_vtb_getc(&scp->vtb, from);
251			a = sc_vtb_geta(&scp->vtb, from) >> 8;
252			vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
253		}
254	}
255}
256
257static void
258am335x_rend_set_cursor(scr_stat* scp, int base, int height, int blink)
259{
260}
261
262static void
263am335x_rend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip)
264{
265	video_adapter_t* adp = scp->sc->adp;
266	struct video_adapter_softc *sc;
267	int row, col;
268	uint8_t *addr;
269	int i, j, bytes;
270
271	sc = (struct video_adapter_softc *)adp;
272
273	if (scp->curs_attr.height <= 0)
274		return;
275
276	if (sc->fb_addr == 0)
277		return;
278
279	if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
280		return;
281
282	/* calculate the coordinates in the video buffer */
283	row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
284	col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
285
286	addr = (uint8_t *)sc->fb_addr
287	    + (row + sc->ymargin)*(sc->stride)
288	    + (sc->depth/8) * (col + sc->xmargin);
289
290	bytes = sc->depth/8;
291
292	/* our cursor consists of simply inverting the char under it */
293	for (i = 0; i < adp->va_info.vi_cheight; i++) {
294		for (j = 0; j < adp->va_info.vi_cwidth; j++) {
295			switch (sc->depth) {
296			case 32:
297			case 24:
298				addr[bytes*j + 2] ^= 0xff;
299				/* FALLTHROUGH */
300			case 16:
301				addr[bytes*j + 1] ^= 0xff;
302				addr[bytes*j] ^= 0xff;
303				break;
304			default:
305				break;
306			}
307		}
308
309		addr += sc->stride;
310	}
311}
312
313static void
314am335x_rend_blink_cursor(scr_stat* scp, int at, int flip)
315{
316}
317
318static void
319am335x_rend_set_mouse(scr_stat* scp)
320{
321}
322
323static void
324am335x_rend_draw_mouse(scr_stat* scp, int x, int y, int on)
325{
326	vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
327}
328
329static uint16_t am335x_syscons_static_window[ROW*COL];
330extern u_char dflt_font_16[];
331
332/*
333 * Update videoadapter settings after changing resolution
334 */
335static void
336am335x_syscons_update_margins(video_adapter_t *adp)
337{
338	struct video_adapter_softc *sc;
339	video_info_t *vi;
340
341	sc = (struct video_adapter_softc *)adp;
342	vi = &adp->va_info;
343
344	sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
345	sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
346}
347
348static phandle_t
349am335x_syscons_find_panel_node(phandle_t start)
350{
351	phandle_t child;
352	phandle_t result;
353
354	for (child = OF_child(start); child != 0; child = OF_peer(child)) {
355		if (ofw_bus_node_is_compatible(child, "ti,am335x-lcd"))
356			return (child);
357		if ((result = am335x_syscons_find_panel_node(child)))
358			return (result);
359	}
360
361	return (0);
362}
363
364static int
365am335x_syscons_configure(int flags)
366{
367	struct video_adapter_softc *va_sc;
368
369	va_sc = &va_softc;
370	phandle_t display, root;
371	pcell_t cell;
372
373	if (va_sc->initialized)
374		return (0);
375
376	va_sc->width = 0;
377	va_sc->height = 0;
378
379	/*
380	 * It seems there is no way to let syscons framework know
381	 * that framebuffer resolution has changed. So just try
382	 * to fetch data from FDT and go with defaults if failed
383	 */
384	root = OF_finddevice("/");
385	if ((root != -1) &&
386	    (display = am335x_syscons_find_panel_node(root))) {
387		if ((OF_getencprop(display, "panel_width", &cell,
388		    sizeof(cell))) > 0)
389			va_sc->width = cell;
390
391		if ((OF_getencprop(display, "panel_height", &cell,
392		    sizeof(cell))) > 0)
393			va_sc->height = cell;
394	}
395
396	if (va_sc->width == 0)
397		va_sc->width = FB_WIDTH;
398	if (va_sc->height == 0)
399		va_sc->height = FB_HEIGHT;
400
401	am335x_syscons_init(0, &va_sc->va, 0);
402
403	va_sc->initialized = 1;
404
405	return (0);
406}
407
408static int
409am335x_syscons_probe(int unit, video_adapter_t **adp, void *arg, int flags)
410{
411
412	return (0);
413}
414
415static int
416am335x_syscons_init(int unit, video_adapter_t *adp, int flags)
417{
418	struct video_adapter_softc *sc;
419	video_info_t *vi;
420
421	sc = (struct video_adapter_softc *)adp;
422	vi = &adp->va_info;
423
424	vid_init_struct(adp, "am335x_syscons", -1, unit);
425
426	sc->font = dflt_font_16;
427	vi->vi_cheight = AM335X_FONT_HEIGHT;
428	vi->vi_cwidth = 8;
429
430	vi->vi_width = sc->width/8;
431	vi->vi_height = sc->height/vi->vi_cheight;
432
433	/*
434	 * Clamp width/height to syscons maximums
435	 */
436	if (vi->vi_width > COL)
437		vi->vi_width = COL;
438	if (vi->vi_height > ROW)
439		vi->vi_height = ROW;
440
441	sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
442	sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
443
444
445	adp->va_window = (vm_offset_t) am335x_syscons_static_window;
446	adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
447
448	vid_register(&sc->va);
449
450	return (0);
451}
452
453static int
454am335x_syscons_get_info(video_adapter_t *adp, int mode, video_info_t *info)
455{
456	bcopy(&adp->va_info, info, sizeof(*info));
457	return (0);
458}
459
460static int
461am335x_syscons_query_mode(video_adapter_t *adp, video_info_t *info)
462{
463	return (0);
464}
465
466static int
467am335x_syscons_set_mode(video_adapter_t *adp, int mode)
468{
469	return (0);
470}
471
472static int
473am335x_syscons_save_font(video_adapter_t *adp, int page, int size, int width,
474    u_char *data, int c, int count)
475{
476	return (0);
477}
478
479static int
480am335x_syscons_load_font(video_adapter_t *adp, int page, int size, int width,
481    u_char *data, int c, int count)
482{
483	struct video_adapter_softc *sc = (struct video_adapter_softc *)adp;
484
485	sc->font = data;
486
487	return (0);
488}
489
490static int
491am335x_syscons_show_font(video_adapter_t *adp, int page)
492{
493	return (0);
494}
495
496static int
497am335x_syscons_save_palette(video_adapter_t *adp, u_char *palette)
498{
499	return (0);
500}
501
502static int
503am335x_syscons_load_palette(video_adapter_t *adp, u_char *palette)
504{
505	return (0);
506}
507
508static int
509am335x_syscons_set_border(video_adapter_t *adp, int border)
510{
511	return (am335x_syscons_blank_display(adp, border));
512}
513
514static int
515am335x_syscons_save_state(video_adapter_t *adp, void *p, size_t size)
516{
517	return (0);
518}
519
520static int
521am335x_syscons_load_state(video_adapter_t *adp, void *p)
522{
523	return (0);
524}
525
526static int
527am335x_syscons_set_win_org(video_adapter_t *adp, off_t offset)
528{
529	return (0);
530}
531
532static int
533am335x_syscons_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
534{
535	*col = *row = 0;
536
537	return (0);
538}
539
540static int
541am335x_syscons_set_hw_cursor(video_adapter_t *adp, int col, int row)
542{
543	return (0);
544}
545
546static int
547am335x_syscons_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
548    int celsize, int blink)
549{
550	return (0);
551}
552
553static int
554am335x_syscons_blank_display(video_adapter_t *adp, int mode)
555{
556
557	struct video_adapter_softc *sc;
558
559	sc = (struct video_adapter_softc *)adp;
560	if (sc && sc->fb_addr)
561		memset((void*)sc->fb_addr, 0, sc->fb_size);
562
563	return (0);
564}
565
566static int
567am335x_syscons_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
568    int prot, vm_memattr_t *memattr)
569{
570	struct video_adapter_softc *sc;
571
572	sc = (struct video_adapter_softc *)adp;
573
574	/*
575	 * This might be a legacy VGA mem request: if so, just point it at the
576	 * framebuffer, since it shouldn't be touched
577	 */
578	if (offset < sc->stride*sc->height) {
579		*paddr = sc->fb_paddr + offset;
580		return (0);
581	}
582
583	return (EINVAL);
584}
585
586static int
587am335x_syscons_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
588{
589	struct video_adapter_softc *sc;
590	struct fbtype *fb;
591
592	sc = (struct video_adapter_softc *)adp;
593
594	switch (cmd) {
595	case FBIOGTYPE:
596		fb = (struct fbtype *)data;
597		fb->fb_type = FBTYPE_PCIMISC;
598		fb->fb_height = sc->height;
599		fb->fb_width = sc->width;
600		fb->fb_depth = sc->depth;
601		if (sc->depth <= 1 || sc->depth > 8)
602			fb->fb_cmsize = 0;
603		else
604			fb->fb_cmsize = 1 << sc->depth;
605		fb->fb_size = sc->fb_size;
606		break;
607	default:
608		return (fb_commonioctl(adp, cmd, data));
609	}
610
611	return (0);
612}
613
614static int
615am335x_syscons_clear(video_adapter_t *adp)
616{
617
618	return (am335x_syscons_blank_display(adp, 0));
619}
620
621static int
622am335x_syscons_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
623{
624
625	return (0);
626}
627
628static int
629am335x_syscons_bitblt(video_adapter_t *adp, ...)
630{
631
632	return (0);
633}
634
635static int
636am335x_syscons_diag(video_adapter_t *adp, int level)
637{
638
639	return (0);
640}
641
642static int
643am335x_syscons_save_cursor_palette(video_adapter_t *adp, u_char *palette)
644{
645
646	return (0);
647}
648
649static int
650am335x_syscons_load_cursor_palette(video_adapter_t *adp, u_char *palette)
651{
652
653	return (0);
654}
655
656static int
657am335x_syscons_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
658{
659
660	return (0);
661}
662
663static int
664am335x_syscons_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
665    int size, int bpp, int bit_ltor, int byte_ltor)
666{
667
668	return (0);
669}
670
671static int
672am335x_syscons_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
673{
674	struct video_adapter_softc *sc;
675	int row;
676	int col;
677	int i, j, k;
678	uint8_t *addr;
679	u_char *p;
680	uint8_t fg, bg, color;
681	uint16_t rgb;
682
683	sc = (struct video_adapter_softc *)adp;
684
685	if (sc->fb_addr == 0)
686		return (0);
687
688	row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
689	col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
690	p = sc->font + c*AM335X_FONT_HEIGHT;
691	addr = (uint8_t *)sc->fb_addr
692	    + (row + sc->ymargin)*(sc->stride)
693	    + (sc->depth/8) * (col + sc->xmargin);
694
695	fg = a & 0xf ;
696	bg = (a >> 4) & 0xf;
697
698	for (i = 0; i < AM335X_FONT_HEIGHT; i++) {
699		for (j = 0, k = 7; j < 8; j++, k--) {
700			if ((p[i] & (1 << k)) == 0)
701				color = bg;
702			else
703				color = fg;
704
705			switch (sc->depth) {
706			case 32:
707				addr[4*j+0] = am335x_syscons_palette[color].r;
708				addr[4*j+1] = am335x_syscons_palette[color].g;
709				addr[4*j+2] = am335x_syscons_palette[color].b;
710				addr[4*j+3] = am335x_syscons_palette[color].a;
711				break;
712			case 24:
713				addr[3*j] = am335x_syscons_palette[color].r;
714				addr[3*j+1] = am335x_syscons_palette[color].g;
715				addr[3*j+2] = am335x_syscons_palette[color].b;
716				break;
717			case 16:
718				rgb = (am335x_syscons_palette[color].r >> 3) << 11;
719				rgb |= (am335x_syscons_palette[color].g >> 2) << 5;
720				rgb |= (am335x_syscons_palette[color].b >> 3);
721				addr[2*j] = rgb & 0xff;
722				addr[2*j + 1] = (rgb >> 8) & 0xff;
723			default:
724				/* Not supported yet */
725				break;
726			}
727		}
728
729		addr += (sc->stride);
730	}
731
732        return (0);
733}
734
735static int
736am335x_syscons_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
737{
738	int i;
739
740	for (i = 0; i < len; i++)
741		am335x_syscons_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
742
743	return (0);
744}
745
746static int
747am335x_syscons_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
748    uint32_t pixel_mask, int size, int width)
749{
750
751	return (0);
752}
753
754/* Initialization function */
755int am335x_lcd_syscons_setup(vm_offset_t vaddr, vm_paddr_t paddr,
756    struct panel_info *panel)
757{
758	struct video_adapter_softc *va_sc = &va_softc;
759
760	va_sc->fb_addr = vaddr;
761	va_sc->fb_paddr = paddr;
762	va_sc->depth = panel->bpp;
763	va_sc->stride = panel->bpp*panel->panel_width/8;
764
765	va_sc->width = panel->panel_width;
766	va_sc->height = panel->panel_height;
767	va_sc->fb_size = va_sc->width * va_sc->height
768	    * va_sc->depth/8;
769	am335x_syscons_update_margins(&va_sc->va);
770
771	return (0);
772}
773