MX51: Add video support

Add framebuffer driver for the MX51 processor
working on the IPUv3 internal graphic processor.
The port is based on the driver found in the kernel
delivered by Freescale as part of i.MX BSP:

[kernel 2.6.31 commit cc4fe714041805997b601fe8e5dd585d8a99297f]

[agust@denx.de: some style fixes and dead code removal]
Signed-off-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
(cherry picked from commit 5dda7945d18077db81eb0cfdc2f9d4525e6b77b1)

1 files changed, 68 insertions, 0 deletions

diff --git a/include/linux/mxcfb.h b/include/linux/mxcfb.h
new file mode 100644
index 0000000..d508196
--- /dev/null
+++ b/include/linux/mxcfb.h
@@ -0,0 +1,68 @@
+/*
+ * Porting to u-boot:
+ *
+ * (C) Copyright 2010
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de
+ *
+ * Linux IPU driver for MX51:
+ *
+ * (C) Copyright 2004-2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 __ASM_ARCH_MXCFB_H__
+#define __ASM_ARCH_MXCFB_H__
+
+#define FB_SYNC_OE_LOW_ACT	0x80000000
+#define FB_SYNC_CLK_LAT_FALL	0x40000000
+#define FB_SYNC_DATA_INVERT	0x20000000
+#define FB_SYNC_CLK_IDLE_EN	0x10000000
+#define FB_SYNC_SHARP_MODE	0x08000000
+#define FB_SYNC_SWAP_RGB	0x04000000
+
+struct mxcfb_gbl_alpha {
+	int enable;
+	int alpha;
+};
+
+struct mxcfb_loc_alpha {
+	int enable;
+	int alpha_in_pixel;
+	unsigned long alpha_phy_addr0;
+	unsigned long alpha_phy_addr1;
+};
+
+struct mxcfb_color_key {
+	int enable;
+	__u32 color_key;
+};
+
+struct mxcfb_pos {
+	__u16 x;
+	__u16 y;
+};
+
+struct mxcfb_gamma {
+	int enable;
+	int constk[16];
+	int slopek[16];
+};
+
+#endif