Add support for Samsung S3C24x0 framebuffer.

Heavily based on original Juergen Beisert's code.

Signed-off-by: Alexey Galakhov <agalakhov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 59 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c24xx/include/mach/fb.h b/arch/arm/mach-s3c24xx/include/mach/fb.h
new file mode 100644
index 0000000000..05e013aadb
--- /dev/null
+++ b/arch/arm/mach-s3c24xx/include/mach/fb.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2010 Juergen Beisert
+ * Copyright (C) 2011 Alexey Galakhov
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#ifndef __MACH_FB_H_
+# define __MACH_FB_H_
+
+#include <fb.h>
+
+/** Proprietary flags corresponding to  S3C24x0 LCDCON5 register */
+
+/** ! INVVDEN - DE active high */
+#define FB_SYNC_DE_HIGH_ACT	(1 << 23)
+/** INVVCLK - invert CLK signal */
+#define FB_SYNC_CLK_INVERT	(1 << 24)
+/** INVVD - invert data */
+#define FB_SYNC_DATA_INVERT	(1 << 25)
+/** INVPWREN - use PWREN signal */
+#define FB_SYNC_INVERT_PWREN	(1 << 26)
+/** INVLEND - use LEND signal */
+#define FB_SYNC_INVERT_LEND	(1 << 27)
+/** PWREN - use PWREN signal */
+#define FB_SYNC_USE_PWREN	(1 << 28)
+/** ENLEND - use LEND signal */
+#define FB_SYNC_USE_LEND	(1 << 29)
+/** BSWP - swap bytes */
+#define FB_SYNC_SWAP_BYTES	(1 << 30)
+/** HWSWP - swap half words */
+#define FB_SYNC_SWAP_HW		(1 << 31)
+
+struct s3c_fb_platform_data {
+	struct fb_videomode *mode_list;
+	unsigned mode_cnt;
+
+	unsigned bits_per_pixel;
+	int passive_display;	/**< enable support for STN or CSTN displays */
+
+	/** hook to enable backlight and stuff */
+	void (*enable)(int enable);
+};
+
+#endif /* __MACH_FB_H_ */