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