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i.MX31: framebuffer driver

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This is a framebuffer driver for i.MX31 SoCs. It only supports synchronous
displays, vertical panning supported, no overlay support.

Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Guennadi Liakhovetski 2009-02-26 21:34:28 +01:00 committed by Dan Williams
parent 1febd91acf
commit 6e1588cbd8
4 changed files with 1606 additions and 0 deletions
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38
arch/arm/plat-mxc/include/mach/mx3fb.h Normal file
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@ -0,0 +1,38 @@
/*
* Copyright (C) 2008
* Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARCH_MX3FB_H__
#define __ASM_ARCH_MX3FB_H__
#include <linux/device.h>
#include <linux/fb.h>
/* Proprietary FB_SYNC_ flags */
#define FB_SYNC_OE_ACT_HIGH 0x80000000
#define FB_SYNC_CLK_INVERT 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
#define FB_SYNC_CLK_SEL_EN 0x02000000
/**
* struct mx3fb_platform_data - mx3fb platform data
*
* @dma_dev: pointer to the dma-device, used for dma-slave connection
* @mode: pointer to a platform-provided per mxc_register_fb() videomode
*/
struct mx3fb_platform_data {
struct device *dma_dev;
const char *name;
const struct fb_videomode *mode;
int num_modes;
};
#endif

12
drivers/video/Kconfig
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@ -2125,6 +2125,18 @@ config FB_PRE_INIT_FB
Select this option if display contents should be inherited as set by
the bootloader.
config FB_MX3
tristate "MX3 Framebuffer support"
depends on FB && MX3_IPU
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
default y
help
This is a framebuffer device for the i.MX31 LCD Controller. So
far only synchronous displays are supported. If you plan to use
an LCD display with your i.MX31 system, say Y here.
source "drivers/video/omap/Kconfig"
source "drivers/video/backlight/Kconfig"

1
drivers/video/Makefile
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@ -132,6 +132,7 @@ obj-$(CONFIG_FB_VGA16) += vga16fb.o
obj-$(CONFIG_FB_OF) += offb.o
obj-$(CONFIG_FB_BF54X_LQ043) += bf54x-lq043fb.o
obj-$(CONFIG_FB_BFIN_T350MCQB) += bfin-t350mcqb-fb.o
obj-$(CONFIG_FB_MX3) += mx3fb.o
# the test framebuffer is last
obj-$(CONFIG_FB_VIRTUAL) += vfb.o

1555
drivers/video/mx3fb.c Normal file
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