[PATCH] imxfb: Add Freescale i.MX framebuffer driver

This patch adds support for the framebuffer on the freescale i.MX SOC
architecture.  The driver has been tested on the mx1ads board, the pimx1 board
and another custom board with different displays.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 72 insertions, 0 deletions

diff --git a/drivers/video/imxfb.h b/drivers/video/imxfb.h
new file mode 100644
index 000000000000..128c3ee515c7
--- /dev/null
+++ b/drivers/video/imxfb.h
@@ -0,0 +1,72 @@
+/*
+ * linux/drivers/video/imxfb.h
+ *
+ *  Freescale i.MX Frame Buffer device driver
+ *
+ *  Copyright (C) 2004 S.Hauer, Pengutronix
+ *
+ *  Copyright (C) 1999 Eric A. Thomas
+ *   Based on acornfb.c Copyright (C) Russell King.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+/*
+ * These are the bitfields for each
+ * display depth that we support.
+ */
+struct imxfb_rgb {
+        struct fb_bitfield      red;
+        struct fb_bitfield      green;
+        struct fb_bitfield      blue;
+        struct fb_bitfield      transp;
+};
+
+#define RGB_16  (0)
+#define RGB_8   (1)
+#define NR_RGB  2
+
+struct imxfb_info {
+        struct device           *dev;
+        struct imxfb_rgb        *rgb[NR_RGB];
+
+        u_int                   max_bpp;
+        u_int                   max_xres;
+        u_int                   max_yres;
+
+        /*
+         * These are the addresses we mapped
+         * the framebuffer memory region to.
+         */
+        dma_addr_t              map_dma;
+        u_char *                map_cpu;
+        u_int                   map_size;
+
+        u_char *                screen_cpu;
+        dma_addr_t              screen_dma;
+        u_int                   palette_size;
+
+        dma_addr_t              dbar1;
+        dma_addr_t              dbar2;
+
+        u_int                   pcr;
+        u_int                   pwmr;
+        u_int                   lscr1;
+        u_int                   cmap_inverse:1,
+                                cmap_static:1,
+                                unused:30;
+
+        void (*lcd_power)(int);
+        void (*backlight_power)(int);
+};
+
+#define IMX_NAME        "IMX"
+
+/*
+ * Minimum X and Y resolutions
+ */
+#define MIN_XRES        64
+#define MIN_YRES        64
+