path: root/recipes/linux/linux-omap-pm-2.6.28/0002-DSS-OMAPFB-fb-driver-for-new-display-subsystem.patch

From 2167c1818af2d302d3934185b534ea4006c407c7 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Date: Wed, 7 Jan 2009 14:30:18 +0200
Subject: [PATCH] DSS: OMAPFB: fb driver for new display subsystem

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
 arch/arm/plat-omap/Makefile              |    2 +-
 arch/arm/plat-omap/fb-vram.c             |  646 +++++++++++++
 arch/arm/plat-omap/fb.c                  |   22 +
 arch/arm/plat-omap/include/mach/omapfb.h |   14 +
 drivers/video/Kconfig                    |    1 +
 drivers/video/Makefile                   |    1 +
 drivers/video/omap/Kconfig               |    5 +-
 drivers/video/omap2/Kconfig              |   42 +
 drivers/video/omap2/Makefile             |    2 +
 drivers/video/omap2/omapfb-ioctl.c       |  464 ++++++++++
 drivers/video/omap2/omapfb-main.c        | 1441 ++++++++++++++++++++++++++++++
 drivers/video/omap2/omapfb-sysfs.c       |  901 +++++++++++++++++++
 drivers/video/omap2/omapfb.h             |  115 +++
 13 files changed, 3653 insertions(+), 3 deletions(-)
 create mode 100644 arch/arm/plat-omap/fb-vram.c
 create mode 100644 drivers/video/omap2/Kconfig
 create mode 100644 drivers/video/omap2/Makefile
 create mode 100644 drivers/video/omap2/omapfb-ioctl.c
 create mode 100644 drivers/video/omap2/omapfb-main.c
 create mode 100644 drivers/video/omap2/omapfb-sysfs.c
 create mode 100644 drivers/video/omap2/omapfb.h

diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
index 2740497..7d602a6 100644
--- a/arch/arm/plat-omap/Makefile
+++ b/arch/arm/plat-omap/Makefile
@@ -4,7 +4,7 @@
 
 # Common support
 obj-y := common.o sram.o clock.o devices.o dma.o mux.o gpio.o \
-	 usb.o fb.o io.o
+	 usb.o fb.o fb-vram.o io.o
 obj-m :=
 obj-n :=
 obj-  :=
diff --git a/arch/arm/plat-omap/fb-vram.c b/arch/arm/plat-omap/fb-vram.c
new file mode 100644
index 0000000..2994f8f
--- /dev/null
+++ b/arch/arm/plat-omap/fb-vram.c
@@ -0,0 +1,646 @@
+/*
+ * linux/arch/arm/plat-omap/fb-vram.c
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+//#define DEBUG
+
+#include <linux/vmalloc.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/list.h>
+#include <linux/dma-mapping.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/bootmem.h>
+
+#include <asm/setup.h>
+
+#include <mach/sram.h>
+#include <mach/omapfb.h>
+
+#ifdef DEBUG
+#define DBG(format, ...) printk(KERN_DEBUG "VRAM: " format, ## __VA_ARGS__)
+#else
+#define DBG(format, ...)
+#endif
+
+#define OMAP2_SRAM_START		0x40200000
+/* Maximum size, in reality this is smaller if SRAM is partially locked. */
+#define OMAP2_SRAM_SIZE			0xa0000		/* 640k */
+
+#define REG_MAP_SIZE(_page_cnt)						\
+	((_page_cnt + (sizeof(unsigned long) * 8) - 1) / 8)
+#define REG_MAP_PTR(_rg, _page_nr)					\
+	(((_rg)->map) + (_page_nr) / (sizeof(unsigned long) * 8))
+#define REG_MAP_MASK(_page_nr)						\
+	(1 << ((_page_nr) & (sizeof(unsigned long) * 8 - 1)))
+
+#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
+
+/* postponed regions are used to temporarily store region information at boot
+ * time when we cannot yet allocate the region list */
+#define MAX_POSTPONED_REGIONS 10
+
+static int postponed_cnt __initdata;
+static struct {
+	unsigned long paddr;
+	size_t size;
+} postponed_regions[MAX_POSTPONED_REGIONS] __initdata;
+
+struct vram_alloc {
+	struct list_head list;
+	unsigned long paddr;
+	unsigned pages;
+};
+
+struct vram_region {
+	struct list_head list;
+	struct list_head alloc_list;
+	unsigned long	paddr;
+	void		*vaddr;
+	unsigned	pages;
+	unsigned	dma_alloced:1;
+};
+
+static DEFINE_MUTEX(region_mutex);
+static LIST_HEAD(region_list);
+
+static inline int region_mem_type(unsigned long paddr)
+{
+	if (paddr >= OMAP2_SRAM_START &&
+	    paddr < OMAP2_SRAM_START + OMAP2_SRAM_SIZE)
+		return OMAPFB_MEMTYPE_SRAM;
+	else
+		return OMAPFB_MEMTYPE_SDRAM;
+}
+
+static struct vram_region *omap_vram_create_region(unsigned long paddr,
+		void *vaddr, unsigned pages)
+{
+	struct vram_region *rm;
+
+	rm = kzalloc(sizeof(*rm), GFP_KERNEL);
+
+	if (rm) {
+		INIT_LIST_HEAD(&rm->alloc_list);
+		rm->paddr = paddr;
+		rm->vaddr = vaddr;
+		rm->pages = pages;
+	}
+
+	return rm;
+}
+
+static void omap_vram_free_region(struct vram_region *vr)
+{
+	list_del(&vr->list);
+	kfree(vr);
+}
+
+static struct vram_alloc *omap_vram_create_allocation(struct vram_region *vr,
+		unsigned long paddr, unsigned pages)
+{
+	struct vram_alloc *va;
+	struct vram_alloc *new;
+
+	new = kzalloc(sizeof(*va), GFP_KERNEL);
+
+	if (!new)
+		return NULL;
+
+	new->paddr = paddr;
+	new->pages = pages;
+
+	list_for_each_entry(va, &vr->alloc_list, list) {
+		if (va->paddr > new->paddr)
+			break;
+	}
+
+	list_add_tail(&new->list, &va->list);
+
+	return new;
+}
+
+static void omap_vram_free_allocation(struct vram_alloc *va)
+{
+	list_del(&va->list);
+	kfree(va);
+}
+
+static __init int omap_vram_add_region_postponed(unsigned long paddr, size_t size)
+{
+	if (postponed_cnt == MAX_POSTPONED_REGIONS)
+		return -ENOMEM;
+
+	postponed_regions[postponed_cnt].paddr = paddr;
+	postponed_regions[postponed_cnt].size = size;
+
+	++postponed_cnt;
+
+	return 0;
+}
+
+/* add/remove_region can be exported if there's need to add/remove regions
+ * runtime */
+static int omap_vram_add_region(unsigned long paddr, size_t size)
+{
+	struct vram_region *rm;
+	void *vaddr;
+	unsigned pages;
+
+	DBG("adding region paddr %08lx size %d\n",
+			paddr, size);
+
+	size &= PAGE_MASK;
+	pages = size >> PAGE_SHIFT;
+
+	vaddr = ioremap_wc(paddr, size);
+	if (vaddr == NULL)
+		return -ENOMEM;
+
+	rm = omap_vram_create_region(paddr, vaddr, pages);
+	if (rm == NULL) {
+		iounmap(vaddr);
+		return -ENOMEM;
+	}
+
+	list_add(&rm->list, &region_list);
+
+	return 0;
+}
+
+#if 0
+int omap_vram_remove_region(unsigned long paddr)
+{
+	struct region *rm;
+	unsigned i;
+
+	DBG("remove region paddr %08lx\n", paddr);
+	list_for_each_entry(rm, &region_list, list)
+		if (rm->paddr != paddr)
+			continue;
+
+	if (rm->paddr != paddr)
+		return -EINVAL;
+
+	for (i = 0; i < rm->page_cnt; i++)
+		if (region_page_reserved(rm, i))
+			return -EBUSY;
+
+	iounmap(rm->vaddr);
+
+	list_del(&rm->list);
+
+	kfree(rm);
+
+	return 0;
+}
+#endif
+
+int omap_vram_free(unsigned long paddr, void *vaddr, size_t size)
+{
+	struct vram_region *rm;
+	struct vram_alloc *alloc;
+	unsigned start, end;
+
+	DBG("free mem paddr %08lx vaddr %p size %d\n",
+			paddr, vaddr, size);
+
+	size = PAGE_ALIGN(size);
+
+	mutex_lock(&region_mutex);
+
+	list_for_each_entry(rm, &region_list, list) {
+		list_for_each_entry(alloc, &rm->alloc_list, list) {
+			start = alloc->paddr;
+			end = alloc->paddr + (alloc->pages >> PAGE_SHIFT);
+
+			if (start >= paddr && end < paddr + size)
+				goto found;
+		}
+	}
+
+	mutex_unlock(&region_mutex);
+	return -EINVAL;
+
+found:
+	if (rm->dma_alloced) {
+		DBG("freeing dma-alloced\n");
+		dma_free_writecombine(NULL, size, vaddr, paddr);
+		omap_vram_free_allocation(alloc);
+		omap_vram_free_region(rm);
+	} else {
+		omap_vram_free_allocation(alloc);
+	}
+
+	mutex_unlock(&region_mutex);
+	return 0;
+}
+EXPORT_SYMBOL(omap_vram_free);
+
+#if 0
+void *omap_vram_reserve(unsigned long paddr, size_t size)
+{
+
+	struct region *rm;
+	unsigned start_page;
+	unsigned end_page;
+	unsigned i;
+	void *vaddr;
+
+	size = PAGE_ALIGN(size);
+
+	rm = region_find_region(paddr, size);
+
+	DBG("reserve mem paddr %08lx size %d\n",
+			paddr, size);
+
+	BUG_ON(rm == NULL);
+
+	start_page = (paddr - rm->paddr) >> PAGE_SHIFT;
+	end_page = start_page + (size >> PAGE_SHIFT);
+	for (i = start_page; i < end_page; i++)
+		region_reserve_page(rm, i);
+
+	vaddr = rm->vaddr + (start_page << PAGE_SHIFT);
+
+	return vaddr;
+}
+EXPORT_SYMBOL(omap_vram_reserve);
+#endif
+static void *_omap_vram_alloc(int mtype, unsigned pages, unsigned long *paddr)
+{
+	struct vram_region *rm;
+	struct vram_alloc *alloc;
+	void *vaddr;
+
+	list_for_each_entry(rm, &region_list, list) {
+		unsigned long start, end;
+
+		DBG("checking region %lx %d\n", rm->paddr, rm->pages);
+
+		if (region_mem_type(rm->paddr) != mtype)
+			continue;
+
+		start = rm->paddr;
+
+		list_for_each_entry(alloc, &rm->alloc_list, list) {
+			end = alloc->paddr;
+
+			if (end - start >= pages << PAGE_SHIFT)
+				goto found;
+
+			start = alloc->paddr + (alloc->pages << PAGE_SHIFT);
+		}
+
+		end = rm->paddr + (rm->pages << PAGE_SHIFT);
+found:
+		if (end - start < pages << PAGE_SHIFT)
+			continue;
+
+		DBG("FOUND %lx, end %lx\n", start, end);
+
+		if (omap_vram_create_allocation(rm, start, pages) == NULL)
+			return NULL;
+
+		*paddr = start;
+		vaddr = rm->vaddr + (start - rm->paddr);
+
+		return vaddr;
+	}
+
+	return NULL;
+}
+
+static void *_omap_vram_alloc_dma(unsigned pages, unsigned long *paddr)
+{
+	struct vram_region *rm;
+	void *vaddr;
+
+	vaddr = dma_alloc_writecombine(NULL, pages << PAGE_SHIFT,
+			(dma_addr_t *)paddr, GFP_KERNEL);
+
+	if (vaddr == NULL)
+		return NULL;
+
+	rm = omap_vram_create_region(*paddr, vaddr, pages);
+	if (rm == NULL) {
+		dma_free_writecombine(NULL, pages << PAGE_SHIFT, vaddr,
+				(dma_addr_t)*paddr);
+		return NULL;
+	}
+
+	rm->dma_alloced = 1;
+
+	if (omap_vram_create_allocation(rm, *paddr, pages) == NULL) {
+		dma_free_writecombine(NULL, pages << PAGE_SHIFT, vaddr,
+				(dma_addr_t)*paddr);
+		kfree(rm);
+		return NULL;
+	}
+
+	list_add(&rm->list, &region_list);
+
+	return vaddr;
+}
+
+void *omap_vram_alloc(int mtype, size_t size, unsigned long *paddr)
+{
+	void *vaddr;
+	unsigned pages;
+
+	BUG_ON(mtype > OMAPFB_MEMTYPE_MAX || !size);
+
+	DBG("alloc mem type %d size %d\n", mtype, size);
+
+	size = PAGE_ALIGN(size);
+	pages = size >> PAGE_SHIFT;
+
+	mutex_lock(&region_mutex);
+
+	vaddr = _omap_vram_alloc(mtype, pages, paddr);
+
+	if (vaddr == NULL && mtype == OMAPFB_MEMTYPE_SDRAM) {
+		DBG("fallback to dma_alloc\n");
+
+		vaddr = _omap_vram_alloc_dma(pages, paddr);
+	}
+
+	mutex_unlock(&region_mutex);
+
+	return vaddr;
+}
+EXPORT_SYMBOL(omap_vram_alloc);
+
+#ifdef CONFIG_PROC_FS
+static void *r_next(struct seq_file *m, void *v, loff_t *pos)
+{
+	struct list_head *l = v;
+
+	(*pos)++;
+
+	if (list_is_last(l, &region_list))
+		return 0;
+
+	return l->next;
+}
+
+static void *r_start(struct seq_file *m, loff_t *pos)
+{
+	loff_t p = *pos;
+	struct list_head *l = &region_list;
+
+	mutex_lock(&region_mutex);
+
+	do {
+		l = l->next;
+		if (l == &region_list)
+			return NULL;
+	} while (p--);
+
+	return l;
+}
+
+static void r_stop(struct seq_file *m, void *v)
+{
+	mutex_unlock(&region_mutex);
+}
+
+static int r_show(struct seq_file *m, void *v)
+{
+	struct vram_region *vr;
+	struct vram_alloc *va;
+	unsigned size;
+
+	vr = list_entry(v, struct vram_region, list);
+
+	size = vr->pages << PAGE_SHIFT;
+	seq_printf(m, "%08lx-%08lx v:%p-%p (%d bytes) %s\n",
+			vr->paddr, vr->paddr + size,
+			vr->vaddr, vr->vaddr + size,
+			size,
+			vr->dma_alloced ? "dma_alloc" : "");
+
+	list_for_each_entry(va, &vr->alloc_list, list) {
+		size = va->pages << PAGE_SHIFT;
+		seq_printf(m, "    %08lx-%08lx (%d bytes)\n",
+				va->paddr, va->paddr + size,
+				size);
+	}
+
+
+
+	return 0;
+}
+
+static const struct seq_operations resource_op = {
+	.start	= r_start,
+	.next	= r_next,
+	.stop	= r_stop,
+	.show	= r_show,
+};
+
+static int vram_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &resource_op);
+}
+
+static const struct file_operations proc_vram_operations = {
+	.open		= vram_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init omap_vram_create_proc(void)
+{
+	proc_create("omap-vram", 0, NULL, &proc_vram_operations);
+
+	return 0;
+}
+#endif
+
+static __init int omap_vram_init(void)
+{
+	int i, r;
+
+	for (i = 0; i < postponed_cnt; i++)
+		omap_vram_add_region(postponed_regions[i].paddr,
+				postponed_regions[i].size);
+
+#ifdef CONFIG_PROC_FS
+	r = omap_vram_create_proc();
+	if (r)
+		return -ENOMEM;
+#endif
+
+	return 0;
+}
+
+arch_initcall(omap_vram_init);
+
+/* boottime vram alloc stuff */
+static u32 omapfb_sram_vram_start __initdata;
+static u32 omapfb_sram_vram_size __initdata;
+
+static u32 omapfb_sdram_vram_start __initdata;
+static u32 omapfb_sdram_vram_size __initdata;
+
+static u32 omapfb_def_sdram_vram_size __initdata;
+
+static void __init omapfb_early_vram(char **p)
+{
+	unsigned long size;
+	size  = memparse(*p, p);
+	omapfb_def_sdram_vram_size = size;
+}
+__early_param("vram=", omapfb_early_vram);
+
+/*
+ * Called from map_io. We need to call to this early enough so that we
+ * can reserve the fixed SDRAM regions before VM could get hold of them.
+ */
+void __init omapfb_reserve_sdram(void)
+{
+	struct bootmem_data	*bdata;
+	unsigned long		sdram_start, sdram_size;
+	unsigned long		reserved;
+	u32 paddr;
+	u32 size;
+
+	bdata = NODE_DATA(0)->bdata;
+	sdram_start = bdata->node_min_pfn << PAGE_SHIFT;
+	sdram_size = (bdata->node_low_pfn << PAGE_SHIFT) - sdram_start;
+	reserved = 0;
+
+	/* cmdline arg overrides the board file definition */
+	if (omapfb_def_sdram_vram_size) {
+		size = omapfb_def_sdram_vram_size;
+		paddr = 0;
+	} else {
+		size = omapfb_sdram_vram_size;
+		paddr = omapfb_sdram_vram_start;
+	}
+
+	if (size) {
+		if (paddr) {
+			if (paddr < sdram_start ||
+					paddr + size > sdram_start + sdram_size) {
+				printk(KERN_ERR "Illegal SDRAM region for VRAM\n");
+				return;
+			}
+
+			reserve_bootmem(paddr, size, BOOTMEM_DEFAULT);
+		} else {
+			if (size > sdram_size) {
+				printk(KERN_ERR "Illegal SDRAM size for VRAM\n");
+				return;
+			}
+
+			paddr = virt_to_phys(alloc_bootmem(size));
+		}
+
+		reserved += size;
+		omap_vram_add_region_postponed(paddr, size);
+	}
+
+	if (reserved)
+		pr_info("Reserving %lu bytes SDRAM for VRAM\n", reserved);
+}
+
+/*
+ * Called at sram init time, before anything is pushed to the SRAM stack.
+ * Because of the stack scheme, we will allocate everything from the
+ * start of the lowest address region to the end of SRAM. This will also
+ * include padding for page alignment and possible holes between regions.
+ *
+ * As opposed to the SDRAM case, we'll also do any dynamic allocations at
+ * this point, since the driver built as a module would have problem with
+ * freeing / reallocating the regions.
+ */
+unsigned long __init omapfb_reserve_sram(unsigned long sram_pstart,
+				  unsigned long sram_vstart,
+				  unsigned long sram_size,
+				  unsigned long pstart_avail,
+				  unsigned long size_avail)
+{
+	unsigned long			pend_avail;
+	unsigned long			reserved;
+	u32 paddr;
+	u32 size;
+
+	paddr = omapfb_sram_vram_start;
+	size = omapfb_sram_vram_size;
+
+	reserved = 0;
+	pend_avail = pstart_avail + size_avail;
+
+
+	if (!paddr) {
+		/* Dynamic allocation */
+		if ((size_avail & PAGE_MASK) < size) {
+			printk(KERN_ERR "Not enough SRAM for VRAM\n");
+			return 0;
+		}
+		size_avail = (size_avail - size) & PAGE_MASK;
+		paddr = pstart_avail + size_avail;
+	}
+
+	if (paddr < sram_pstart ||
+			paddr + size > sram_pstart + sram_size) {
+		printk(KERN_ERR "Illegal SRAM region for VRAM\n");
+		return 0;
+	}
+
+	/* Reserve everything above the start of the region. */
+	if (pend_avail - paddr > reserved)
+		reserved = pend_avail - paddr;
+	size_avail = pend_avail - reserved - pstart_avail;
+
+	/*
+	 * We have a kernel mapping for this already, so the
+	 * driver won't have to make one.
+	 */
+	/* XXX do we need the vaddr? */
+	/* rg.vaddr = (void *)(sram_vstart + paddr - sram_pstart); */
+
+	omap_vram_add_region_postponed(paddr, size);
+
+	if (reserved)
+		pr_info("Reserving %lu bytes SRAM for VRAM\n", reserved);
+
+	return reserved;
+}
+
+void __init omap2_set_sdram_vram(u32 size, u32 start)
+{
+	omapfb_sdram_vram_start = start;
+	omapfb_sdram_vram_size = size;
+}
+
+void __init omap2_set_sram_vram(u32 size, u32 start)
+{
+	omapfb_sram_vram_start = start;
+	omapfb_sram_vram_size = size;
+}
+
+#endif
+
diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c
index 3746222..ee2cc6f 100644
--- a/arch/arm/plat-omap/fb.c
+++ b/arch/arm/plat-omap/fb.c
@@ -327,6 +327,28 @@ static inline int omap_init_fb(void)
 
 arch_initcall(omap_init_fb);
 
+#elif defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
+
+static u64 omap_fb_dma_mask = ~(u32)0;
+
+static struct platform_device omap_fb_device = {
+	.name		= "omapfb",
+	.id		= -1,
+	.dev = {
+		.dma_mask		= &omap_fb_dma_mask,
+		.coherent_dma_mask	= ~(u32)0,
+		.platform_data		= NULL,
+	},
+	.num_resources = 0,
+};
+
+static inline int omap_init_fb(void)
+{
+	return platform_device_register(&omap_fb_device);
+}
+
+arch_initcall(omap_init_fb);
+
 #else
 
 void omapfb_reserve_sdram(void) {}
diff --git a/arch/arm/plat-omap/include/mach/omapfb.h b/arch/arm/plat-omap/include/mach/omapfb.h
index b226bdf..0800f92 100644
--- a/arch/arm/plat-omap/include/mach/omapfb.h
+++ b/arch/arm/plat-omap/include/mach/omapfb.h
@@ -90,6 +90,13 @@ enum omapfb_color_format {
 	OMAPFB_COLOR_CLUT_1BPP,
 	OMAPFB_COLOR_RGB444,
 	OMAPFB_COLOR_YUY422,
+
+	OMAPFB_COLOR_ARGB16,
+	OMAPFB_COLOR_RGB24U,	/* RGB24, 32-bit container */
+	OMAPFB_COLOR_RGB24P,	/* RGB24, 24-bit container */
+	OMAPFB_COLOR_ARGB32,
+	OMAPFB_COLOR_RGBA32,
+	OMAPFB_COLOR_RGBX32,
 };
 
 struct omapfb_update_window {
@@ -393,6 +400,13 @@ extern int  omapfb_update_window_async(struct fb_info *fbi,
 /* in arch/arm/plat-omap/fb.c */
 extern void omapfb_set_ctrl_platform_data(void *pdata);
 
+/* in arch/arm/plat-omap/fb-vram */
+int omap_vram_free(unsigned long paddr, void *vaddr, size_t size);
+void *omap_vram_reserve(unsigned long paddr, size_t size);
+void *omap_vram_alloc(int mtype, size_t size, unsigned long *paddr);
+extern void omap2_set_sdram_vram(u32 size, u32 start);
+extern void omap2_set_sram_vram(u32 size, u32 start);
+
 #endif /* __KERNEL__ */
 
 #endif /* __OMAPFB_H */
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 3f3ce13..689a3b1 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -2116,6 +2116,7 @@ config FB_PRE_INIT_FB
 	  the bootloader.
 
 source "drivers/video/omap/Kconfig"
+source "drivers/video/omap2/Kconfig"
 
 source "drivers/video/backlight/Kconfig"
 source "drivers/video/display/Kconfig"
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index e39e33e..3d9d50e 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -120,6 +120,7 @@ obj-$(CONFIG_FB_SM501)            += sm501fb.o
 obj-$(CONFIG_FB_XILINX)           += xilinxfb.o
 obj-$(CONFIG_FB_SH_MOBILE_LCDC)	  += sh_mobile_lcdcfb.o
 obj-$(CONFIG_FB_OMAP)             += omap/
+obj-$(CONFIG_OMAP2_DSS)           += omap2/
 obj-$(CONFIG_XEN_FBDEV_FRONTEND)  += xen-fbfront.o
 obj-$(CONFIG_FB_CARMINE)          += carminefb.o
 obj-$(CONFIG_FB_MB862XX)	  += mb862xx/
diff --git a/drivers/video/omap/Kconfig b/drivers/video/omap/Kconfig
index c355b59..541fab3 100644
--- a/drivers/video/omap/Kconfig
+++ b/drivers/video/omap/Kconfig
@@ -1,6 +1,7 @@
 config FB_OMAP
 	tristate "OMAP frame buffer support (EXPERIMENTAL)"
-	depends on FB && ARCH_OMAP
+	depends on FB && ARCH_OMAP && (OMAP2_DSS = "n")
+
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
@@ -80,7 +81,7 @@ config FB_OMAP_BOOTLOADER_INIT
 
 config FB_OMAP_CONSISTENT_DMA_SIZE
 	int "Consistent DMA memory size (MB)"
-	depends on FB_OMAP
+	depends on FB && ARCH_OMAP
 	range 1 14
 	default 2
 	help
diff --git a/drivers/video/omap2/Kconfig b/drivers/video/omap2/Kconfig
new file mode 100644
index 0000000..8be51a3
--- /dev/null
+++ b/drivers/video/omap2/Kconfig
@@ -0,0 +1,42 @@
+config FB_OMAP2
+        tristate "OMAP2/3 frame buffer support (EXPERIMENTAL)"
+        depends on FB && OMAP2_DSS
+
+        select FB_CFB_FILLRECT
+        select FB_CFB_COPYAREA
+        select FB_CFB_IMAGEBLIT
+        help
+          Frame buffer driver for OMAP2/3 based boards.
+
+config FB_OMAP2_DEBUG
+	bool "Debug support for OMAP2/3 FB"
+	default y
+	depends on FB_OMAP2
+	help
+	  Support for debug output. You have to enable the actual printing
+	  with debug module parameter.
+
+config FB_OMAP2_FORCE_AUTO_UPDATE
+	bool "Force main display to automatic update mode"
+	depends on FB_OMAP2
+	help
+	  Forces main display to automatic update mode (if possible),
+	  and also enables tearsync (if possible). By default
+	  displays that support manual update are started in manual
+	  update mode.
+
+config FB_OMAP2_NUM_FBS
+	int "Number of framebuffers"
+	range 1 10
+	default 3
+	depends on FB_OMAP2
+	help
+	  Select the number of framebuffers created. OMAP2/3 has 3 overlays
+	  so normally this would be 3.
+
+menu "OMAP2/3 Display Device Drivers"
+        depends on OMAP2_DSS
+
+
+endmenu
+
diff --git a/drivers/video/omap2/Makefile b/drivers/video/omap2/Makefile
new file mode 100644
index 0000000..51c2e00
--- /dev/null
+++ b/drivers/video/omap2/Makefile
@@ -0,0 +1,2 @@
+obj-$(CONFIG_FB_OMAP2) += omapfb.o
+omapfb-y := omapfb-main.o omapfb-sysfs.o omapfb-ioctl.o
diff --git a/drivers/video/omap2/omapfb-ioctl.c b/drivers/video/omap2/omapfb-ioctl.c
new file mode 100644
index 0000000..1f0f044
--- /dev/null
+++ b/drivers/video/omap2/omapfb-ioctl.c
@@ -0,0 +1,464 @@
+/*
+ * linux/drivers/video/omap2/omapfb-ioctl.c
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/fb.h>
+#include <linux/device.h>
+#include <linux/uaccess.h>
+#include <linux/platform_device.h>
+#include <linux/mm.h>
+
+#include <mach/display.h>
+#include <mach/omapfb.h>
+
+#include "omapfb.h"
+
+static int omapfb_setup_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_display *display = fb2display(fbi);
+	struct omap_overlay *ovl;
+	int r = 0;
+
+	DBG("omapfb_setup_plane\n");
+
+	omapfb_lock(fbdev);
+
+	if (ofbi->num_overlays != 1) {
+		r = -EINVAL;
+		goto out;
+	}
+
+	/* XXX uses only the first overlay */
+	ovl = ofbi->overlays[0];
+
+	if (pi->enabled && !ofbi->region.size) {
+		/*
+		 * This plane's memory was freed, can't enable it
+		 * until it's reallocated.
+		 */
+		r = -EINVAL;
+		goto out;
+	}
+
+	if (pi->enabled) {
+		r = omapfb_setup_overlay(fbi, ovl, pi->pos_x, pi->pos_y,
+				pi->out_width, pi->out_height);
+		if (r)
+			goto out;
+	}
+
+	r = omapfb_setup_overlay(fbi, ovl, pi->pos_x, pi->pos_y,
+			pi->out_width, pi->out_height);
+	if (r)
+		goto out;
+
+	ovl->enable(ovl, pi->enabled);
+
+	if (ovl->manager)
+		ovl->manager->apply(ovl->manager);
+
+	if (display) {
+		if (display->sync)
+			display->sync(display);
+
+		if (display->update)
+			display->update(display, 0, 0,
+					display->panel->timings.x_res,
+					display->panel->timings.y_res);
+	}
+
+out:
+	omapfb_unlock(fbdev);
+	if (r)
+		dev_err(fbdev->dev, "setup_plane failed\n");
+	return r;
+}
+
+static int omapfb_query_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+
+	omapfb_lock(fbdev);
+
+	if (ofbi->num_overlays != 1) {
+		memset(pi, 0, sizeof(*pi));
+	} else {
+		struct omap_overlay_info *ovli;
+		struct omap_overlay *ovl;
+
+		ovl = ofbi->overlays[0];
+		ovli = &ovl->info;
+
+		pi->pos_x = ovli->pos_x;
+		pi->pos_y = ovli->pos_y;
+		pi->enabled = ovli->enabled;
+		pi->channel_out = 0; /* xxx */
+		pi->mirror = 0;
+		pi->out_width = ovli->out_width;
+		pi->out_height = ovli->out_height;
+	}
+
+	omapfb_unlock(fbdev);
+
+	return 0;
+}
+
+static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omapfb_mem_region *rg;
+	struct omap_display *display = fb2display(fbi);
+	int r, i;
+	size_t size;
+
+	if (mi->type > OMAPFB_MEMTYPE_MAX)
+		return -EINVAL;
+
+	size = PAGE_ALIGN(mi->size);
+
+	rg = &ofbi->region;
+
+	omapfb_lock(fbdev);
+
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		if (ofbi->overlays[i]->info.enabled) {
+			r = -EBUSY;
+			goto out;
+		}
+	}
+
+	if (rg->size != size || rg->type != mi->type) {
+		struct fb_var_screeninfo new_var;
+		unsigned long old_size = rg->size;
+
+		if (display->sync)
+			display->sync(display);
+
+		r = omapfb_realloc_fbmem(fbdev, ofbi->id, size);
+		if (r)
+			goto out;
+
+		if (old_size != size) {
+			if (size) {
+				memcpy(&new_var, &fbi->var, sizeof(new_var));
+				r = check_fb_var(fbi, &new_var);
+				if (r < 0)
+					goto out;
+				memcpy(&fbi->var, &new_var, sizeof(fbi->var));
+				set_fb_fix(fbi);
+			} else {
+				/*
+				 * Set these explicitly to indicate that the
+				 * plane memory is dealloce'd, the other
+				 * screen parameters in var / fix are invalid.
+				 */
+				fbi->fix.smem_start = 0;
+				fbi->fix.smem_len = 0;
+			}
+		}
+	}
+
+	r = 0;
+out:
+	omapfb_unlock(fbdev);
+
+	return r;
+}
+
+static int omapfb_query_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omapfb_mem_region *rg;
+
+	rg = &ofbi->region;
+	memset(mi, 0, sizeof(*mi));
+
+	omapfb_lock(fbdev);
+	mi->size = rg->size;
+	mi->type = rg->type;
+	omapfb_unlock(fbdev);
+
+	return 0;
+}
+
+static int omapfb_update_window(struct fb_info *fbi,
+		u32 x, u32 y, u32 w, u32 h)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_display *display = fb2display(fbi);
+
+	if (!display)
+		return 0;
+
+	if (w == 0 || h == 0)
+		return 0;
+
+	if (x + w > display->panel->timings.x_res ||
+			y + h > display->panel->timings.y_res)
+		return -EINVAL;
+
+	omapfb_lock(fbdev);
+	display->update(display, x, y, w, h);
+	omapfb_unlock(fbdev);
+
+	return 0;
+}
+
+static int omapfb_set_update_mode(struct fb_info *fbi,
+				   enum omapfb_update_mode mode)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_display *display = fb2display(fbi);
+	enum omap_dss_update_mode um;
+	int r;
+
+	if (!display || !display->set_update_mode)
+		return -EINVAL;
+
+	switch (mode) {
+	case OMAPFB_UPDATE_DISABLED:
+		um = OMAP_DSS_UPDATE_DISABLED;
+		break;
+
+	case OMAPFB_AUTO_UPDATE:
+		um = OMAP_DSS_UPDATE_AUTO;
+		break;
+
+	case OMAPFB_MANUAL_UPDATE:
+		um = OMAP_DSS_UPDATE_MANUAL;
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	omapfb_lock(fbdev);
+	r = display->set_update_mode(display, um);
+	omapfb_unlock(fbdev);
+
+	return r;
+}
+
+static int omapfb_get_update_mode(struct fb_info *fbi,
+		enum omapfb_update_mode *mode)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_display *display = fb2display(fbi);
+	enum omap_dss_update_mode m;
+
+	if (!display || !display->get_update_mode)
+		return -EINVAL;
+
+	omapfb_lock(fbdev);
+	m = display->get_update_mode(display);
+	omapfb_unlock(fbdev);
+
+	switch (m) {
+	case OMAP_DSS_UPDATE_DISABLED:
+		*mode = OMAPFB_UPDATE_DISABLED;
+		break;
+	case OMAP_DSS_UPDATE_AUTO:
+		*mode = OMAPFB_AUTO_UPDATE;
+		break;
+	case OMAP_DSS_UPDATE_MANUAL:
+		*mode = OMAPFB_MANUAL_UPDATE;
+		break;
+	default:
+		BUG();
+	}
+
+	return 0;
+}
+
+int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_display *display = fb2display(fbi);
+
+	union {
+		struct omapfb_update_window_old	uwnd_o;
+		struct omapfb_update_window	uwnd;
+		struct omapfb_plane_info	plane_info;
+		struct omapfb_caps		caps;
+		struct omapfb_mem_info          mem_info;
+		enum omapfb_update_mode		update_mode;
+		int test_num;
+	} p;
+
+	int r = 0;
+
+	DBG("ioctl %x (%d)\n", cmd, cmd & 0xff);
+
+	switch (cmd) {
+	case OMAPFB_SYNC_GFX:
+		if (!display || !display->sync) {
+			r = -EINVAL;
+			break;
+		}
+
+		omapfb_lock(fbdev);
+		r = display->sync(display);
+		omapfb_unlock(fbdev);
+		break;
+
+	case OMAPFB_UPDATE_WINDOW_OLD:
+		if (!display || !display->update) {
+			r = -EINVAL;
+			break;
+		}
+
+		if (copy_from_user(&p.uwnd_o,
+					(void __user *)arg,
+					sizeof(p.uwnd_o))) {
+			r = -EFAULT;
+			break;
+		}
+
+		r = omapfb_update_window(fbi, p.uwnd_o.x, p.uwnd_o.y,
+				p.uwnd_o.width, p.uwnd_o.height);
+		break;
+
+	case OMAPFB_UPDATE_WINDOW:
+		if (!display || !display->update) {
+			r = -EINVAL;
+			break;
+		}
+
+		if (copy_from_user(&p.uwnd, (void __user *)arg,
+					sizeof(p.uwnd))) {
+			r = -EFAULT;
+			break;
+		}
+
+		r = omapfb_update_window(fbi, p.uwnd.x, p.uwnd.y,
+				p.uwnd.width, p.uwnd.height);
+		break;
+
+	case OMAPFB_SETUP_PLANE:
+		if (copy_from_user(&p.plane_info, (void __user *)arg,
+					sizeof(p.plane_info)))
+			r = -EFAULT;
+		else
+			r = omapfb_setup_plane(fbi, &p.plane_info);
+		break;
+
+	case OMAPFB_QUERY_PLANE:
+		r = omapfb_query_plane(fbi, &p.plane_info);
+		if (r < 0)
+			break;
+		if (copy_to_user((void __user *)arg, &p.plane_info,
+					sizeof(p.plane_info)))
+			r = -EFAULT;
+		break;
+
+	case OMAPFB_SETUP_MEM:
+		if (copy_from_user(&p.mem_info, (void __user *)arg,
+					sizeof(p.mem_info)))
+			r = -EFAULT;
+		else
+			r = omapfb_setup_mem(fbi, &p.mem_info);
+		break;
+
+	case OMAPFB_QUERY_MEM:
+		r = omapfb_query_mem(fbi, &p.mem_info);
+		if (r < 0)
+			break;
+		if (copy_to_user((void __user *)arg, &p.mem_info,
+					sizeof(p.mem_info)))
+			r = -EFAULT;
+		break;
+
+	case OMAPFB_GET_CAPS:
+		if (!display) {
+			r = -EINVAL;
+			break;
+		}
+
+		p.caps.ctrl = display->caps;
+
+		if (copy_to_user((void __user *)arg, &p.caps, sizeof(p.caps)))
+			r = -EFAULT;
+		break;
+
+	case OMAPFB_SET_UPDATE_MODE:
+		if (get_user(p.update_mode, (int __user *)arg))
+			r = -EFAULT;
+		else
+			r = omapfb_set_update_mode(fbi, p.update_mode);
+		break;
+
+	case OMAPFB_GET_UPDATE_MODE:
+		r = omapfb_get_update_mode(fbi, &p.update_mode);
+		if (r)
+			break;
+		if (put_user(p.update_mode,
+					(enum omapfb_update_mode __user *)arg))
+			r = -EFAULT;
+		break;
+
+	/* LCD and CTRL tests do the same thing for backward
+	 * compatibility */
+	case OMAPFB_LCD_TEST:
+		if (get_user(p.test_num, (int __user *)arg)) {
+			r = -EFAULT;
+			break;
+		}
+		if (!display || !display->run_test) {
+			r = -EINVAL;
+			break;
+		}
+
+		r = display->run_test(display, p.test_num);
+
+		break;
+
+	case OMAPFB_CTRL_TEST:
+		if (get_user(p.test_num, (int __user *)arg)) {
+			r = -EFAULT;
+			break;
+		}
+		if (!display || !display->run_test) {
+			r = -EINVAL;
+			break;
+		}
+
+		r = display->run_test(display, p.test_num);
+
+		break;
+
+	default:
+		DBG("ioctl unhandled\n");
+		r = -EINVAL;
+	}
+
+	return r;
+}
+
+
diff --git a/drivers/video/omap2/omapfb-main.c b/drivers/video/omap2/omapfb-main.c
new file mode 100644
index 0000000..76bd416
--- /dev/null
+++ b/drivers/video/omap2/omapfb-main.c
@@ -0,0 +1,1441 @@
+/*
+ * linux/drivers/video/omap2/omapfb-main.c
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/dma-mapping.h>
+#include <linux/vmalloc.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+
+#include <mach/display.h>
+#include <mach/omapfb.h>
+
+#include "omapfb.h"
+
+#define MODULE_NAME     "omapfb"
+
+static char *def_mode;
+static char *def_vram;
+
+#ifdef DEBUG
+unsigned int omapfb_debug;
+module_param_named(debug, omapfb_debug, bool, 0644);
+#endif
+
+#ifdef DEBUG
+static void fill_fb(void *addr, struct fb_info *fbi)
+{
+	struct fb_var_screeninfo *var = &fbi->var;
+
+	const short w = var->xres_virtual;
+	const short h = var->yres_virtual;
+
+	int y, x;
+	u8 *p = addr;
+
+	for (y = 0; y < h; y++) {
+		for (x = 0; x < w; x++) {
+			if (var->bits_per_pixel == 16) {
+				u16 *pw = (u16 *)p;
+
+				if (x < 20 && y < 20)
+					*pw = 0xffff;
+				else if (x == 20 || x == w - 20 ||
+						y == 20 || y == h - 20)
+					*pw = 0xffff;
+				else if (x == y || w - x == h - y)
+					*pw = ((1<<5)-1)<<11;
+				else if (w - x == y || x == h - y)
+					*pw = ((1<<6)-1)<<5;
+				else {
+					int t = x / (w/3);
+					if (t == 0)
+						*pw = y % 32;
+					else if (t == 1)
+						*pw = (y % 64) << 5;
+					else if (t == 2)
+						*pw = (y % 32) << 11;
+				}
+			} else if (var->bits_per_pixel == 24) {
+				u8 *pb = (u8 *)p;
+
+				int r = 0, g = 0, b = 0;
+
+				if (x < 20 && y < 20)
+					r = g = b = 0xff;
+				else if (x == 20 || x == w - 20 ||
+						y == 20 || y == h - 20)
+					r = g = b = 0xff;
+				else if (x == y || w - x == h - y)
+					r = 0xff;
+				else if (w - x == y || x == h - y)
+					g = 0xff;
+				else {
+					int q = x / (w / 3);
+					u8 base = 255 - (y % 256);
+					if (q == 0)
+						r = base;
+					else if (q == 1)
+						g = base;
+					else if (q == 2)
+						b = base;
+				}
+
+				pb[0] = b;
+				pb[1] = g;
+				pb[2] = r;
+
+			} else if (var->bits_per_pixel == 32) {
+				u32 *pd = (u32 *)p;
+
+				if (x < 20 && y < 20)
+					*pd = 0xffffff;
+				else if (x == 20 || x == w - 20 ||
+						y == 20 || y == h - 20)
+					*pd = 0xffffff;
+				else if (x == y || w - x == h - y)
+					*pd = 0xff0000;
+				else if (w - x == y || x == h - y)
+					*pd = 0x00ff00;
+				else {
+					u8 base = 255 - (y % 256);
+					*pd = base << ((x / (w/3)) << 3);
+				}
+			}
+
+			p += var->bits_per_pixel >> 3;
+		}
+	}
+}
+#endif
+
+static enum omap_color_mode fb_mode_to_dss_mode(struct fb_var_screeninfo *var)
+{
+	switch (var->nonstd) {
+	case 0:
+		break;
+	case OMAPFB_COLOR_YUV422:
+		return OMAP_DSS_COLOR_UYVY;
+
+	case OMAPFB_COLOR_YUY422:
+		return OMAP_DSS_COLOR_YUV2;
+
+	case OMAPFB_COLOR_ARGB16:
+		return OMAP_DSS_COLOR_ARGB16;
+
+	case OMAPFB_COLOR_ARGB32:
+		return OMAP_DSS_COLOR_ARGB32;
+
+	case OMAPFB_COLOR_RGBA32:
+		return OMAP_DSS_COLOR_RGBA32;
+
+	case OMAPFB_COLOR_RGBX32:
+		return OMAP_DSS_COLOR_RGBX32;
+
+	default:
+		return -EINVAL;
+	}
+
+	switch (var->bits_per_pixel) {
+	case 1:
+		return OMAP_DSS_COLOR_CLUT1;
+	case 2:
+		return OMAP_DSS_COLOR_CLUT2;
+	case 4:
+		return OMAP_DSS_COLOR_CLUT4;
+	case 8:
+		return OMAP_DSS_COLOR_CLUT8;
+	case 12:
+		return OMAP_DSS_COLOR_RGB12U;
+	case 16:
+		return OMAP_DSS_COLOR_RGB16;
+	case 24:
+		return OMAP_DSS_COLOR_RGB24P;
+	case 32:
+		return OMAP_DSS_COLOR_RGB24U;
+	default:
+		return -EINVAL;
+	}
+
+	return -EINVAL;
+}
+
+void set_fb_fix(struct fb_info *fbi)
+{
+	struct fb_fix_screeninfo *fix = &fbi->fix;
+	struct fb_var_screeninfo *var = &fbi->var;
+	struct omapfb_mem_region *rg = &FB2OFB(fbi)->region;
+
+	DBG("set_fb_fix\n");
+
+	/* used by open/write in fbmem.c */
+	fbi->screen_base        = (char __iomem *)rg->vaddr;
+
+	/* used by mmap in fbmem.c */
+	fix->smem_start         = rg->paddr;
+	fix->smem_len           = rg->size;
+
+	fix->type = FB_TYPE_PACKED_PIXELS;
+
+	if (var->nonstd)
+		fix->visual = FB_VISUAL_PSEUDOCOLOR;
+	else {
+		switch (var->bits_per_pixel) {
+		case 32:
+		case 24:
+		case 16:
+		case 12:
+			fix->visual = FB_VISUAL_TRUECOLOR;
+			/* 12bpp is stored in 16 bits */
+			break;
+		case 1:
+		case 2:
+		case 4:
+		case 8:
+			fix->visual = FB_VISUAL_PSEUDOCOLOR;
+			break;
+		}
+	}
+
+	fix->accel = FB_ACCEL_NONE;
+	fix->line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
+
+	fix->xpanstep = 1;
+	fix->ypanstep = 1;
+}
+
+/* check new var and possibly modify it to be ok */
+int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omap_display *display = fb2display(fbi);
+	unsigned long max_frame_size;
+	unsigned long line_size;
+	int xres_min, xres_max;
+	int yres_min, yres_max;
+	enum omap_color_mode mode = 0;
+	struct omap_overlay *ovl;
+
+	DBG("check_fb_var %d\n", ofbi->id);
+
+	if (ofbi->region.size == 0) {
+		memset(var, 0, sizeof(*var));
+		return 0;
+	}
+
+	if (ofbi->num_overlays == 0) {
+		dev_err(ofbi->fbdev->dev, "no overlays, aborting\n");
+		return -EINVAL;
+	}
+
+	/* XXX: uses the first overlay */
+	ovl = ofbi->overlays[0];
+
+	/* if we are using non standard mode, fix the bpp first */
+	switch (var->nonstd) {
+	case 0:
+		break;
+	case OMAPFB_COLOR_YUV422:
+	case OMAPFB_COLOR_YUY422:
+	case OMAPFB_COLOR_ARGB16:
+		var->bits_per_pixel = 16;
+		break;
+	case OMAPFB_COLOR_ARGB32:
+	case OMAPFB_COLOR_RGBA32:
+	case OMAPFB_COLOR_RGBX32:
+		var->bits_per_pixel = 32;
+		break;
+	default:
+		DBG("invalid nonstd mode\n");
+		return -EINVAL;
+	}
+
+	mode = fb_mode_to_dss_mode(var);
+	if (mode < 0) {
+		DBG("cannot convert var to omap dss mode\n");
+		return -EINVAL;
+	}
+
+	if ((ovl->supported_modes & mode) == 0) {
+		DBG("invalid mode\n");
+		return -EINVAL;
+	}
+
+	xres_min = OMAPFB_PLANE_XRES_MIN;
+	xres_max = (display ? display->panel->timings.x_res : 2048) - ovl->info.pos_x;
+	yres_min = OMAPFB_PLANE_YRES_MIN;
+	yres_max = (display ? display->panel->timings.y_res : 2048) - ovl->info.pos_y;
+
+	if (var->xres < xres_min)
+		var->xres = xres_min;
+	if (var->yres < yres_min)
+		var->yres = yres_min;
+	if (var->xres_virtual < var->xres)
+		var->xres_virtual = var->xres;
+	if (var->yres_virtual < var->yres)
+		var->yres_virtual = var->yres;
+	max_frame_size = ofbi->region.size;
+	line_size = (var->xres_virtual * var->bits_per_pixel) >> 3;
+
+	if (line_size * var->yres_virtual > max_frame_size) {
+		/* Try to keep yres_virtual first */
+		line_size = max_frame_size / var->yres_virtual;
+		var->xres_virtual = line_size * 8 / var->bits_per_pixel;
+		if (var->xres_virtual < var->xres) {
+			/* Still doesn't fit. Shrink yres_virtual too */
+			var->xres_virtual = var->xres;
+			line_size = var->xres * var->bits_per_pixel / 8;
+			var->yres_virtual = max_frame_size / line_size;
+		}
+		/* Recheck this, as the virtual size changed. */
+		if (var->xres_virtual < var->xres)
+			var->xres = var->xres_virtual;
+		if (var->yres_virtual < var->yres)
+			var->yres = var->yres_virtual;
+		if (var->xres < xres_min || var->yres < yres_min) {
+			DBG("Cannot fit FB to memory\n");
+			return -EINVAL;
+		}
+	}
+	if (var->xres + var->xoffset > var->xres_virtual)
+		var->xoffset = var->xres_virtual - var->xres;
+	if (var->yres + var->yoffset > var->yres_virtual)
+		var->yoffset = var->yres_virtual - var->yres;
+
+	if (var->bits_per_pixel == 16) {
+		var->red.offset  = 11; var->red.length   = 5;
+		var->red.msb_right   = 0;
+		var->green.offset = 5;  var->green.length = 6;
+		var->green.msb_right = 0;
+		var->blue.offset = 0;  var->blue.length  = 5;
+		var->blue.msb_right  = 0;
+	} else if (var->bits_per_pixel == 24) {
+		var->red.offset  = 16; var->red.length   = 8;
+		var->red.msb_right   = 0;
+		var->green.offset = 8;  var->green.length = 8;
+		var->green.msb_right = 0;
+		var->blue.offset = 0;  var->blue.length  = 8;
+		var->blue.msb_right  = 0;
+		var->transp.offset = 0; var->transp.length = 0;
+	} else if (var->bits_per_pixel == 32) {
+		var->red.offset  = 16; var->red.length   = 8;
+		var->red.msb_right   = 0;
+		var->green.offset = 8;  var->green.length = 8;
+		var->green.msb_right = 0;
+		var->blue.offset = 0;  var->blue.length  = 8;
+		var->blue.msb_right  = 0;
+		var->transp.offset = 0; var->transp.length = 0;
+	} else {
+		DBG("failed to setup fb color mask\n");
+		return -EINVAL;
+	}
+
+	DBG("xres = %d, yres = %d, vxres = %d, vyres = %d\n",
+			var->xres, var->yres,
+			var->xres_virtual, var->yres_virtual);
+
+	var->height             = -1;
+	var->width              = -1;
+	var->grayscale          = 0;
+
+	if (display && display->get_timings) {
+		struct omap_video_timings timings;
+		display->get_timings(display, &timings);
+
+		/* pixclock in ps, the rest in pixclock */
+		var->pixclock = timings.pixel_clock != 0 ?
+			KHZ2PICOS(timings.pixel_clock) :
+			0;
+		var->left_margin = timings.hfp;
+		var->right_margin = timings.hbp;
+		var->upper_margin = timings.vfp;
+		var->lower_margin = timings.vbp;
+		var->hsync_len = timings.hsw;
+		var->vsync_len = timings.vsw;
+	} else {
+		var->pixclock = 0;
+		var->left_margin = 0;
+		var->right_margin = 0;
+		var->upper_margin = 0;
+		var->lower_margin = 0;
+		var->hsync_len = 0;
+		var->vsync_len = 0;
+	}
+
+	/* TODO: get these from panel->config */
+	var->vmode              = FB_VMODE_NONINTERLACED;
+	var->sync               = 0;
+
+	return 0;
+}
+
+/*
+ * ---------------------------------------------------------------------------
+ * fbdev framework callbacks
+ * ---------------------------------------------------------------------------
+ */
+static int omapfb_open(struct fb_info *fbi, int user)
+{
+	return 0;
+}
+
+static int omapfb_release(struct fb_info *fbi, int user)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_display *display = fb2display(fbi);
+
+	DBG("Closing fb with plane index %d\n", ofbi->id);
+
+	omapfb_lock(fbdev);
+#if 1
+	if (display) {
+		/* XXX Is this really needed ? */
+		if (display->sync)
+			display->sync(display);
+
+		if (display->update)
+			display->update(display,
+					0, 0,
+					display->panel->timings.x_res,
+					display->panel->timings.y_res);
+	}
+#endif
+
+	if (display && display->sync)
+		display->sync(display);
+
+	omapfb_unlock(fbdev);
+
+	return 0;
+}
+
+/* setup overlay according to the fb */
+int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
+		int posx, int posy, int outw, int outh)
+{
+	int r = 0;
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct fb_var_screeninfo *var = &fbi->var;
+	enum omap_color_mode mode = 0;
+	int offset;
+	u32 data_start_p;
+	void *data_start_v;
+
+	DBG("setup_overlay %d\n", ofbi->id);
+
+	if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0 &&
+			(outw != var->xres || outh != var->yres)) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	offset = ((var->yoffset * var->xres_virtual +
+				var->xoffset) * var->bits_per_pixel) >> 3;
+
+	data_start_p = ofbi->region.paddr + offset;
+	data_start_v = ofbi->region.vaddr + offset;
+
+	mode = fb_mode_to_dss_mode(var);
+
+	if (mode == -EINVAL) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	r = ovl->setup_input(ovl,
+			data_start_p, data_start_v,
+			var->xres_virtual,
+			var->xres, var->yres,
+			mode);
+
+	if (r)
+		goto err;
+
+	r = ovl->setup_output(ovl,
+			posx, posy,
+			outw, outh);
+
+	if (r)
+		goto err;
+
+	return 0;
+
+err:
+	DBG("setup_overlay failed\n");
+	return r;
+}
+
+/* apply var to the overlay */
+int omapfb_apply_changes(struct fb_info *fbi, int init)
+{
+	int r = 0;
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct fb_var_screeninfo *var = &fbi->var;
+	struct omap_overlay *ovl;
+	int posx, posy;
+	int outw, outh;
+	int i;
+
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		ovl = ofbi->overlays[i];
+
+		DBG("apply_changes, fb %d, ovl %d\n", ofbi->id, ovl->id);
+
+		if (ofbi->region.size == 0) {
+			/* the fb is not available. disable the overlay */
+			ovl->enable(ovl, 0);
+			if (!init && ovl->manager)
+				ovl->manager->apply(ovl->manager);
+			continue;
+		}
+
+		if (init || (ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
+			outw = var->xres;
+			outh = var->yres;
+		} else {
+			outw = ovl->info.out_width;
+			outh = ovl->info.out_height;
+		}
+
+		if (init) {
+			posx = 0;
+			posy = 0;
+		} else {
+			posx = ovl->info.pos_x;
+			posy = ovl->info.pos_y;
+		}
+
+		r = omapfb_setup_overlay(fbi, ovl, posx, posy, outw, outh);
+		if (r)
+			goto err;
+
+		if (!init && ovl->manager)
+			ovl->manager->apply(ovl->manager);
+	}
+	return 0;
+err:
+	DBG("apply_changes failed\n");
+	return r;
+}
+
+/* checks var and eventually tweaks it to something supported,
+ * DO NOT MODIFY PAR */
+static int omapfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fbi)
+{
+	int r;
+
+	DBG("check_var(%d)\n", FB2OFB(fbi)->id);
+
+	r = check_fb_var(fbi, var);
+
+	return r;
+}
+
+/* set the video mode according to info->var */
+static int omapfb_set_par(struct fb_info *fbi)
+{
+	int r;
+
+	DBG("set_par(%d)\n", FB2OFB(fbi)->id);
+
+	set_fb_fix(fbi);
+	r = omapfb_apply_changes(fbi, 0);
+
+	return r;
+}
+
+static void omapfb_rotate(struct fb_info *fbi, int rotate)
+{
+	DBG("rotate(%d)\n", FB2OFB(fbi)->id);
+	return;
+}
+
+static int omapfb_pan_display(struct fb_var_screeninfo *var,
+		struct fb_info *fbi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	int r = 0;
+
+	DBG("pan_display(%d)\n", ofbi->id);
+
+	omapfb_lock(fbdev);
+
+	if (var->xoffset != fbi->var.xoffset ||
+	    var->yoffset != fbi->var.yoffset) {
+		struct fb_var_screeninfo new_var;
+
+		new_var = fbi->var;
+		new_var.xoffset = var->xoffset;
+		new_var.yoffset = var->yoffset;
+
+		r = check_fb_var(fbi, &new_var);
+
+		if (r == 0) {
+			fbi->var = new_var;
+			set_fb_fix(fbi);
+			r = omapfb_apply_changes(fbi, 0);
+		}
+	}
+
+	omapfb_unlock(fbdev);
+
+	return r;
+}
+
+static void mmap_user_open(struct vm_area_struct *vma)
+{
+	struct omapfb_info *ofbi = (struct omapfb_info *)vma->vm_private_data;
+
+	atomic_inc(&ofbi->map_count);
+}
+
+static void mmap_user_close(struct vm_area_struct *vma)
+{
+	struct omapfb_info *ofbi = (struct omapfb_info *)vma->vm_private_data;
+
+	atomic_dec(&ofbi->map_count);
+}
+
+static struct vm_operations_struct mmap_user_ops = {
+	.open = mmap_user_open,
+	.close = mmap_user_close,
+};
+
+static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb_mem_region *rg = &ofbi->region;
+	unsigned long off;
+	unsigned long start;
+	u32 len;
+
+	if (vma->vm_end - vma->vm_start == 0)
+		return 0;
+	if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
+		return -EINVAL;
+	off = vma->vm_pgoff << PAGE_SHIFT;
+
+	start = rg->paddr;
+	len = rg->size;
+	if (off >= len)
+		return -EINVAL;
+	if ((vma->vm_end - vma->vm_start + off) > len)
+		return -EINVAL;
+	off += start;
+	vma->vm_pgoff = off >> PAGE_SHIFT;
+	vma->vm_flags |= VM_IO | VM_RESERVED;
+	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+	vma->vm_ops = &mmap_user_ops;
+	vma->vm_private_data = ofbi;
+	if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
+			     vma->vm_end - vma->vm_start, vma->vm_page_prot))
+		return -EAGAIN;
+	/* vm_ops.open won't be called for mmap itself. */
+	atomic_inc(&ofbi->map_count);
+	return 0;
+}
+
+/* Store a single color palette entry into a pseudo palette or the hardware
+ * palette if one is available. For now we support only 16bpp and thus store
+ * the entry only to the pseudo palette.
+ */
+static int _setcolreg(struct fb_info *fbi, u_int regno, u_int red, u_int green,
+		u_int blue, u_int transp, int update_hw_pal)
+{
+	/*struct omapfb_info *ofbi = FB2OFB(fbi);*/
+	/*struct omapfb2_device *fbdev = ofbi->fbdev;*/
+	struct fb_var_screeninfo *var = &fbi->var;
+	int r = 0;
+
+	enum omapfb_color_format mode = OMAPFB_COLOR_RGB24U; /* XXX */
+
+	/*switch (plane->color_mode) {*/
+	switch (mode) {
+	case OMAPFB_COLOR_YUV422:
+	case OMAPFB_COLOR_YUV420:
+	case OMAPFB_COLOR_YUY422:
+		r = -EINVAL;
+		break;
+	case OMAPFB_COLOR_CLUT_8BPP:
+	case OMAPFB_COLOR_CLUT_4BPP:
+	case OMAPFB_COLOR_CLUT_2BPP:
+	case OMAPFB_COLOR_CLUT_1BPP:
+		/*
+		   if (fbdev->ctrl->setcolreg)
+		   r = fbdev->ctrl->setcolreg(regno, red, green, blue,
+		   transp, update_hw_pal);
+		   */
+		/* Fallthrough */
+		r = -EINVAL;
+		break;
+	case OMAPFB_COLOR_RGB565:
+	case OMAPFB_COLOR_RGB444:
+	case OMAPFB_COLOR_RGB24P:
+	case OMAPFB_COLOR_RGB24U:
+		if (r != 0)
+			break;
+
+		if (regno < 0) {
+			r = -EINVAL;
+			break;
+		}
+
+		if (regno < 16) {
+			u16 pal;
+			pal = ((red >> (16 - var->red.length)) <<
+					var->red.offset) |
+				((green >> (16 - var->green.length)) <<
+				 var->green.offset) |
+				(blue >> (16 - var->blue.length));
+			((u32 *)(fbi->pseudo_palette))[regno] = pal;
+		}
+		break;
+	default:
+		BUG();
+	}
+	return r;
+}
+
+static int omapfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
+		u_int transp, struct fb_info *info)
+{
+	DBG("setcolreg\n");
+
+	return _setcolreg(info, regno, red, green, blue, transp, 1);
+}
+
+static int omapfb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
+{
+	int count, index, r;
+	u16 *red, *green, *blue, *transp;
+	u16 trans = 0xffff;
+
+	DBG("setcmap\n");
+
+	red     = cmap->red;
+	green   = cmap->green;
+	blue    = cmap->blue;
+	transp  = cmap->transp;
+	index   = cmap->start;
+
+	for (count = 0; count < cmap->len; count++) {
+		if (transp)
+			trans = *transp++;
+		r = _setcolreg(info, index++, *red++, *green++, *blue++, trans,
+				count == cmap->len - 1);
+		if (r != 0)
+			return r;
+	}
+
+	return 0;
+}
+
+static int omapfb_blank(int blank, struct fb_info *fbi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_display *display = fb2display(fbi);
+	int do_update = 0;
+	int r = 0;
+
+	omapfb_lock(fbdev);
+
+	switch (blank) {
+	case FB_BLANK_UNBLANK:
+		if (display->state != OMAP_DSS_DISPLAY_SUSPENDED) {
+			r = -EINVAL;
+			goto exit;
+		}
+
+		if (display->resume)
+			r = display->resume(display);
+
+		if (r == 0 && display->get_update_mode &&
+				display->get_update_mode(display) ==
+				OMAP_DSS_UPDATE_MANUAL)
+			do_update = 1;
+
+		break;
+
+	case FB_BLANK_POWERDOWN:
+		if (display->state != OMAP_DSS_DISPLAY_ACTIVE) {
+			r = -EINVAL;
+			goto exit;
+		}
+
+		if (display->suspend)
+			r = display->suspend(display);
+
+		break;
+
+	default:
+		r = -EINVAL;
+	}
+
+exit:
+	omapfb_unlock(fbdev);
+
+	if (r == 0 && do_update && display->update)
+		r = display->update(display,
+				0, 0,
+				display->panel->timings.x_res,
+				display->panel->timings.y_res);
+
+	return r;
+}
+
+static struct fb_ops omapfb_ops = {
+	.owner          = THIS_MODULE,
+	.fb_open        = omapfb_open,
+	.fb_release     = omapfb_release,
+	.fb_fillrect    = cfb_fillrect,
+	.fb_copyarea    = cfb_copyarea,
+	.fb_imageblit   = cfb_imageblit,
+	.fb_blank       = omapfb_blank,
+	.fb_ioctl       = omapfb_ioctl,
+	.fb_check_var   = omapfb_check_var,
+	.fb_set_par     = omapfb_set_par,
+	.fb_rotate      = omapfb_rotate,
+	.fb_pan_display = omapfb_pan_display,
+	.fb_mmap	= omapfb_mmap,
+	.fb_setcolreg	= omapfb_setcolreg,
+	.fb_setcmap	= omapfb_setcmap,
+};
+
+static void omapfb_free_fbmem(struct omapfb2_device *fbdev, int fbnum)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[fbnum]);
+	struct omapfb_mem_region *rg;
+
+	rg = &ofbi->region;
+
+	if (rg->paddr)
+		if (omap_vram_free(rg->paddr, rg->vaddr, rg->size))
+			dev_err(fbdev->dev, "VRAM FREE failed\n");
+
+	rg->vaddr = NULL;
+	rg->paddr = 0;
+	rg->alloc = 0;
+	rg->size = 0;
+}
+
+static int omapfb_free_all_fbmem(struct omapfb2_device *fbdev)
+{
+	int i;
+
+	DBG("free all fbmem\n");
+
+	for (i = 0; i < fbdev->num_fbs; i++)
+		omapfb_free_fbmem(fbdev, i);
+
+	return 0;
+}
+
+static int omapfb_alloc_fbmem(struct omapfb2_device *fbdev, int fbnum,
+		unsigned long size)
+{
+	struct omapfb_info *ofbi;
+	struct omapfb_mem_region *rg;
+	unsigned long paddr;
+	void *vaddr;
+
+	size = PAGE_ALIGN(size);
+
+	ofbi = FB2OFB(fbdev->fbs[fbnum]);
+	rg = &ofbi->region;
+	memset(rg, 0, sizeof(*rg));
+
+	DBG("allocating %lu bytes for fb %d\n",
+			size, ofbi->id);
+
+	vaddr = omap_vram_alloc(OMAPFB_MEMTYPE_SDRAM, size, &paddr);
+	DBG("allocated VRAM paddr %lx, vaddr %p\n", paddr, vaddr);
+
+	if (vaddr == NULL) {
+		dev_err(fbdev->dev,
+				"failed to allocate framebuffer\n");
+		return -ENOMEM;
+	}
+
+	rg->paddr = paddr;
+	rg->vaddr = vaddr;
+	rg->size = size;
+	rg->alloc = 1;
+
+	return 0;
+}
+
+int omapfb_realloc_fbmem(struct omapfb2_device *fbdev, int fbnum,
+		unsigned long size)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[fbnum]);
+	struct omapfb_mem_region *rg = &ofbi->region;
+	unsigned old_size = rg->size;
+	int r;
+
+	size = PAGE_ALIGN(size);
+
+	omapfb_free_fbmem(fbdev, fbnum);
+
+	if (size == 0)
+		return 0;
+
+	r = omapfb_alloc_fbmem(fbdev, fbnum, size);
+
+	if (r)
+		omapfb_alloc_fbmem(fbdev, fbnum, old_size);
+
+	return r;
+}
+
+/* allocate fbmem using display resolution as reference */
+static int omapfb_alloc_fbmem_display(struct omapfb2_device *fbdev, int fbnum,
+		unsigned long def_vram)
+{
+	struct omapfb_info *ofbi;
+	struct omap_display *display;
+	int bytespp;
+	unsigned long size;
+
+	ofbi = FB2OFB(fbdev->fbs[fbnum]);
+	display =  fb2display(fbdev->fbs[fbnum]);
+
+	if (!display)
+		return 0;
+
+	switch (display->panel->bpp) {
+	case 16:
+		bytespp = 2;
+		break;
+	case 24:
+	case 32:
+		bytespp = 4;
+		break;
+	default:
+		bytespp = 4;
+		break;
+	}
+
+	size = display->panel->timings.x_res * display->panel->timings.y_res *
+		bytespp;
+
+	if (def_vram > size)
+		size = def_vram;
+
+	return omapfb_alloc_fbmem(fbdev, fbnum, size);
+}
+
+static int omapfb_allocate_all_fbs(struct omapfb2_device *fbdev)
+{
+	int i, r;
+	unsigned long vrams[10];
+
+	memset(vrams, 0, sizeof(vrams));
+
+	if (def_vram) {
+		char *p = def_vram;
+		i = 0;
+
+		while (true) {
+			unsigned long size;
+
+			size = memparse(p, &p);
+
+			if (size == 0) {
+				dev_err(fbdev->dev, "illegal vram size\n");
+				break;
+			}
+
+			vrams[i++] = size;
+
+			if (*p != ',')
+				break;
+
+			p++;
+		}
+	}
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		r = omapfb_alloc_fbmem_display(fbdev, i, vrams[i]);
+
+		if (r)
+			return r;
+	}
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
+		struct omapfb_mem_region *rg;
+		rg = &ofbi->region;
+
+		DBG("region%d phys %08x virt %p size=%lu\n",
+				i,
+				rg->paddr,
+				rg->vaddr,
+				rg->size);
+	}
+
+	return 0;
+}
+
+/* initialize fb_info, var, fix to something sane based on the display */
+static int fbinfo_init(struct omapfb2_device *fbdev, struct fb_info *fbi)
+{
+	struct fb_var_screeninfo *var = &fbi->var;
+	struct fb_fix_screeninfo *fix = &fbi->fix;
+	struct omap_display *display = fb2display(fbi);
+	int r = 0;
+
+	fbi->fbops = &omapfb_ops;
+	fbi->flags = FBINFO_FLAG_DEFAULT;
+	fbi->pseudo_palette = fbdev->pseudo_palette;
+
+	strncpy(fix->id, MODULE_NAME, sizeof(fix->id));
+
+	var->nonstd = 0;
+
+	if (display) {
+		var->xres = display->panel->timings.x_res;
+		var->yres = display->panel->timings.y_res;
+		var->xres_virtual = var->xres;
+		var->yres_virtual = var->yres;
+		/*        var->rotate       = def_rotate; */
+
+		switch (display->panel->bpp) {
+		case 16:
+			var->bits_per_pixel = 16;
+			break;
+		case 18:
+			var->bits_per_pixel = 16;
+			break;
+		case 24:
+			var->bits_per_pixel = 32;
+			break;
+		default:
+			dev_err(fbdev->dev, "illegal display bpp\n");
+			return -EINVAL;
+		}
+	}
+
+	r = check_fb_var(fbi, var);
+	if (r)
+		goto err;
+
+	set_fb_fix(fbi);
+
+#ifdef DEBUG
+	if (omapfb_debug)
+		fill_fb(FB2OFB(fbi)->region.vaddr, fbi);
+#endif
+err:
+	return r;
+}
+
+static void fbinfo_cleanup(struct omapfb2_device *fbdev, struct fb_info *fbi)
+{
+	fb_dealloc_cmap(&fbi->cmap);
+}
+
+
+static void omapfb_free_resources(struct omapfb2_device *fbdev)
+{
+	int i;
+
+	DBG("free_resources\n");
+
+	if (fbdev == NULL)
+		return;
+
+	for (i = 0; i < fbdev->num_fbs; i++)
+		unregister_framebuffer(fbdev->fbs[i]);
+
+	/* free the reserved fbmem */
+	omapfb_free_all_fbmem(fbdev);
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		fbinfo_cleanup(fbdev, fbdev->fbs[i]);
+		framebuffer_release(fbdev->fbs[i]);
+	}
+
+	for (i = 0; i < fbdev->num_displays; i++) {
+		if (fbdev->displays[i]->state != OMAP_DSS_DISPLAY_DISABLED)
+			fbdev->displays[i]->disable(fbdev->displays[i]);
+
+		omap_dss_put_display(fbdev->displays[i]);
+	}
+
+	dev_set_drvdata(fbdev->dev, NULL);
+	kfree(fbdev);
+}
+
+static int omapfb_create_framebuffers(struct omapfb2_device *fbdev)
+{
+	int r, i;
+
+	fbdev->num_fbs = 0;
+
+	DBG("create %d framebuffers\n",	CONFIG_FB_OMAP2_NUM_FBS);
+
+	/* allocate fb_infos */
+	for (i = 0; i < CONFIG_FB_OMAP2_NUM_FBS; i++) {
+		struct fb_info *fbi;
+		struct omapfb_info *ofbi;
+
+		fbi = framebuffer_alloc(sizeof(struct omapfb_info),
+				fbdev->dev);
+
+		if (fbi == NULL) {
+			dev_err(fbdev->dev,
+				"unable to allocate memory for plane info\n");
+			return -ENOMEM;
+		}
+
+		fbdev->fbs[i] = fbi;
+
+		ofbi = FB2OFB(fbi);
+		ofbi->fbdev = fbdev;
+		ofbi->id = i;
+		fbdev->num_fbs++;
+	}
+
+	DBG("fb_infos allocated\n");
+
+	/* assign overlays for the fbs */
+	for (i = 0; i < min(fbdev->num_fbs, fbdev->num_overlays); i++) {
+		struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
+
+		ofbi->overlays[0] = fbdev->overlays[i];
+		ofbi->num_overlays = 1;
+	}
+
+	/* allocate fb memories */
+	r = omapfb_allocate_all_fbs(fbdev);
+	if (r) {
+		dev_err(fbdev->dev, "failed to allocate fbmem\n");
+		return r;
+	}
+
+	DBG("fbmems allocated\n");
+
+	/* setup fb_infos */
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		r = fbinfo_init(fbdev, fbdev->fbs[i]);
+		if (r) {
+			dev_err(fbdev->dev, "failed to setup fb_info\n");
+			return r;
+		}
+	}
+
+	DBG("fb_infos initialized\n");
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		r = register_framebuffer(fbdev->fbs[i]);
+		if (r != 0) {
+			dev_err(fbdev->dev,
+				"registering framebuffer %d failed\n", i);
+			return r;
+		}
+	}
+
+	DBG("framebuffers registered\n");
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		r = omapfb_apply_changes(fbdev->fbs[i], 1);
+		if (r)
+			dev_err(fbdev->dev, "failed to change mode\n");
+	}
+
+	/* Enable the first framebuffer that has overlay that is connected
+	 * to display. Usually this would be the GFX plane. */
+	r = 0;
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
+		int t;
+
+		for (t = 0; t < ofbi->num_overlays; t++) {
+			struct omap_overlay *ovl = ofbi->overlays[t];
+			if (ovl->manager && ovl->manager->display) {
+				ovl->enable(ovl, 1);
+				r = 1;
+				break;
+			}
+		}
+
+		if (r)
+			break;
+	}
+
+	DBG("create_framebuffers done\n");
+
+	return 0;
+}
+
+int omapfb_mode_to_timings(const char *mode_str,
+		struct omap_video_timings *timings, unsigned *bpp)
+{
+	struct fb_info fbi;
+	struct fb_var_screeninfo var;
+	struct fb_ops fbops;
+	int r;
+
+	/* this is quite a hack, but I wanted to use the modedb and for
+	 * that we need fb_info and var, so we create dummy ones */
+
+	memset(&fbi, 0, sizeof(fbi));
+	memset(&var, 0, sizeof(var));
+	memset(&fbops, 0, sizeof(fbops));
+	fbi.fbops = &fbops;
+
+	r = fb_find_mode(&var, &fbi, mode_str, NULL, 0, NULL, 24);
+
+	if (r != 0) {
+		timings->pixel_clock = PICOS2KHZ(var.pixclock);
+		timings->hfp = var.left_margin;
+		timings->hbp = var.right_margin;
+		timings->vfp = var.upper_margin;
+		timings->vbp = var.lower_margin;
+		timings->hsw = var.hsync_len;
+		timings->vsw = var.vsync_len;
+		timings->x_res = var.xres;
+		timings->y_res = var.yres;
+
+		switch (var.bits_per_pixel) {
+		case 16:
+			*bpp = 16;
+			break;
+		case 24:
+		case 32:
+		default:
+			*bpp = 24;
+			break;
+		}
+
+		return 0;
+	} else {
+		return -EINVAL;
+	}
+}
+
+static int omapfb_probe(struct platform_device *pdev)
+{
+	struct omapfb2_device *fbdev = NULL;
+	int r = 0;
+	int i, t;
+	struct omap_overlay *ovl;
+	struct omap_display *def_display;
+
+	DBG("omapfb_probe\n");
+
+	if (pdev->num_resources != 0) {
+		dev_err(&pdev->dev, "probed for an unknown device\n");
+		r = -ENODEV;
+		goto err0;
+	}
+
+	fbdev = kzalloc(sizeof(struct omapfb2_device), GFP_KERNEL);
+	if (fbdev == NULL) {
+		r = -ENOMEM;
+		goto err0;
+	}
+
+	mutex_init(&fbdev->mtx);
+
+	fbdev->dev = &pdev->dev;
+	platform_set_drvdata(pdev, fbdev);
+
+	fbdev->num_displays = 0;
+	t = omap_dss_get_num_displays();
+	for (i = 0; i < t; i++) {
+		struct omap_display *display;
+		display = omap_dss_get_display(i);
+		if (!display) {
+			dev_err(&pdev->dev, "can't get display %d\n", i);
+			r = -EINVAL;
+			goto cleanup;
+		}
+
+		fbdev->displays[fbdev->num_displays++] = display;
+	}
+
+	if (fbdev->num_displays == 0) {
+		dev_err(&pdev->dev, "no displays\n");
+		r = -EINVAL;
+		goto cleanup;
+	}
+
+	fbdev->num_overlays = omap_dss_get_num_overlays();
+	for (i = 0; i < fbdev->num_overlays; i++)
+		fbdev->overlays[i] = omap_dss_get_overlay(i);
+
+	fbdev->num_managers = omap_dss_get_num_overlay_managers();
+	for (i = 0; i < fbdev->num_managers; i++)
+		fbdev->managers[i] = omap_dss_get_overlay_manager(i);
+
+
+	/* gfx overlay should be the default one. find a display
+	 * connected to that, and use it as default display */
+	ovl = omap_dss_get_overlay(0);
+	if (ovl->manager && ovl->manager->display) {
+		def_display = ovl->manager->display;
+	} else {
+		dev_err(&pdev->dev, "cannot find default display\n");
+		r = -EINVAL;
+		goto cleanup;
+	}
+
+	if (def_mode && strlen(def_mode) > 0)
+	{
+		struct omap_video_timings timings;
+		unsigned bpp;
+
+		if (omapfb_mode_to_timings(def_mode, &timings, &bpp) == 0) {
+			if (def_display->set_timings)
+				def_display->set_timings(def_display, &timings);
+
+			def_display->panel->bpp = bpp;
+		}
+	}
+
+	r = omapfb_create_framebuffers(fbdev);
+	if (r)
+		goto cleanup;
+
+	for (i = 0; i < fbdev->num_managers; i++) {
+		struct omap_overlay_manager *mgr;
+		mgr = fbdev->managers[i];
+		r = mgr->apply(mgr);
+		if (r) {
+			dev_err(fbdev->dev, "failed to apply dispc config\n");
+			goto cleanup;
+		}
+	}
+
+	DBG("mgr->apply'ed\n");
+
+	r = def_display->enable(def_display);
+	if (r) {
+		dev_err(fbdev->dev, "Failed to enable display '%s'\n",
+				def_display->name);
+		goto cleanup;
+	}
+
+	/* set the update mode */
+	if (def_display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
+#ifdef CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE
+		if (def_display->set_update_mode)
+			def_display->set_update_mode(def_display,
+					OMAP_DSS_UPDATE_AUTO);
+		if (def_display->enable_te)
+			def_display->enable_te(def_display, 1);
+#else
+		if (def_display->set_update_mode)
+			def_display->set_update_mode(def_display,
+					OMAP_DSS_UPDATE_MANUAL);
+		if (def_display->enable_te)
+			def_display->enable_te(def_display, 0);
+#endif
+	} else {
+		if (def_display->set_update_mode)
+			def_display->set_update_mode(def_display,
+					OMAP_DSS_UPDATE_AUTO);
+	}
+
+	for (i = 0; i < fbdev->num_displays; i++) {
+		struct omap_display *display = fbdev->displays[i];
+
+		if (display->update)
+			display->update(display,
+					0, 0,
+					display->panel->timings.x_res,
+					display->panel->timings.y_res);
+	}
+
+	DBG("display->updated\n");
+
+	omapfb_create_sysfs(fbdev);
+	DBG("sysfs created\n");
+
+	return 0;
+
+cleanup:
+	omapfb_free_resources(fbdev);
+err0:
+	dev_err(&pdev->dev, "failed to setup omapfb\n");
+	return r;
+}
+
+static int omapfb_remove(struct platform_device *pdev)
+{
+	struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
+
+	/* FIXME: wait till completion of pending events */
+
+	omapfb_remove_sysfs(fbdev);
+
+	omapfb_free_resources(fbdev);
+
+	return 0;
+}
+
+static struct platform_driver omapfb_driver = {
+	.probe          = omapfb_probe,
+	.remove         = omapfb_remove,
+	.driver         = {
+		.name   = "omapfb",
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int __init omapfb_init(void)
+{
+	DBG("omapfb_init\n");
+
+	if (platform_driver_register(&omapfb_driver)) {
+		printk(KERN_ERR "failed to register omapfb driver\n");
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static void __exit omapfb_exit(void)
+{
+	DBG("omapfb_exit\n");
+	platform_driver_unregister(&omapfb_driver);
+}
+
+module_param_named(video_mode, def_mode, charp, 0);
+module_param_named(vram, def_vram, charp, 0);
+
+/* late_initcall to let panel/ctrl drivers loaded first.
+ * I guess better option would be a more dynamic approach,
+ * so that omapfb reacts to new panels when they are loaded */
+late_initcall(omapfb_init);
+/*module_init(omapfb_init);*/
+module_exit(omapfb_exit);
+
+MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
+MODULE_DESCRIPTION("OMAP2/3 Framebuffer");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/video/omap2/omapfb-sysfs.c b/drivers/video/omap2/omapfb-sysfs.c
new file mode 100644
index 0000000..4383e44
--- /dev/null
+++ b/drivers/video/omap2/omapfb-sysfs.c
@@ -0,0 +1,901 @@
+/*
+ * linux/drivers/video/omap2/omapfb-sysfs.c
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/fb.h>
+#include <linux/sysfs.h>
+#include <linux/device.h>
+#include <linux/uaccess.h>
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+
+#include <mach/display.h>
+#include <mach/omapfb.h>
+
+#include "omapfb.h"
+
+static int omapfb_attach_framebuffer(struct fb_info *fbi,
+		struct omap_overlay *ovl)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	int i, t;
+	int r;
+
+	if (ofbi->num_overlays >= OMAPFB_MAX_OVL_PER_FB) {
+		dev_err(fbdev->dev, "fb has max number of overlays already\n");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		if (ofbi->overlays[i] == ovl) {
+			dev_err(fbdev->dev, "fb already attached to overlay\n");
+			return -EINVAL;
+		}
+	}
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct omapfb_info *ofbi2 = FB2OFB(fbdev->fbs[i]);
+		for (t = 0; t < ofbi2->num_overlays; t++) {
+			if (ofbi2->overlays[t] == ovl) {
+				dev_err(fbdev->dev, "overlay already in use\n");
+				return -EINVAL;
+			}
+		}
+	}
+
+	ofbi->overlays[ofbi->num_overlays++] = ovl;
+
+/*
+	if (ovl->manager && ovl->manager->display)
+		omapfb_adjust_fb(fbi, ovl, 0, 0);
+*/
+	r = omapfb_apply_changes(fbi, 1);
+	if (r)
+		return r;
+
+	if (ovl->manager)
+		ovl->manager->apply(ovl->manager);
+
+	return 0;
+}
+
+static int omapfb_detach_framebuffer(struct fb_info *fbi,
+		struct omap_overlay *ovl)
+{
+	int i;
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		if (ofbi->overlays[i] == ovl)
+			break;
+	}
+
+	if (i == ofbi->num_overlays) {
+		dev_err(fbdev->dev, "cannot detach fb, overlay not attached\n");
+		return -EINVAL;
+	}
+
+	ovl->enable(ovl, 0);
+
+	if (ovl->manager)
+		ovl->manager->apply(ovl->manager);
+
+	for (i = i + 1; i < ofbi->num_overlays; i++)
+		ofbi->overlays[i-1] = ofbi->overlays[i];
+
+	ofbi->num_overlays--;
+
+	return 0;
+}
+
+
+static ssize_t show_framebuffers(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
+	ssize_t l = 0, size = PAGE_SIZE;
+	int i, t;
+
+	omapfb_lock(fbdev);
+
+	for (i = 0; i < fbdev->num_fbs; i++) {
+		struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
+		struct omapfb_mem_region *rg;
+
+		rg = &ofbi->region;
+
+		l += snprintf(buf + l, size - l, "%d p:%08x v:%p size:%lu t:",
+				ofbi->id,
+				rg->paddr, rg->vaddr, rg->size);
+
+		if (ofbi->num_overlays == 0)
+			l += snprintf(buf + l, size - l, "none");
+
+		for (t = 0; t < ofbi->num_overlays; t++) {
+			struct omap_overlay *ovl;
+			ovl = ofbi->overlays[t];
+
+			l += snprintf(buf + l, size - l, "%s%s",
+					t == 0 ? "" : ",",
+					ovl->name);
+		}
+
+		l += snprintf(buf + l, size - l, "\n");
+	}
+
+	omapfb_unlock(fbdev);
+
+	return l;
+}
+
+static struct omap_overlay *find_overlay_by_name(struct omapfb2_device *fbdev,
+		char *name)
+{
+	int i;
+
+	for (i = 0; i < fbdev->num_overlays; i++)
+		if (strcmp(name, fbdev->overlays[i]->name) == 0)
+			return fbdev->overlays[i];
+
+	return NULL;
+}
+
+static struct omap_display *find_display_by_name(struct omapfb2_device *fbdev,
+		char *name)
+{
+	int i;
+
+	for (i = 0; i < fbdev->num_displays; i++)
+		if (strcmp(name, fbdev->displays[i]->name) == 0)
+			return fbdev->displays[i];
+
+	return NULL;
+}
+
+static struct omap_overlay_manager *find_manager_by_name(
+		struct omapfb2_device *fbdev,
+		char *name)
+{
+	int i;
+
+	for (i = 0; i < fbdev->num_managers; i++)
+		if (strcmp(name, fbdev->managers[i]->name) == 0)
+			return fbdev->managers[i];
+
+	return NULL;
+}
+
+static int parse_overlays(struct omapfb2_device *fbdev, char *str,
+		struct omap_overlay *ovls[])
+{
+	int num_ovls = 0;
+	int s, e = 0;
+	char ovlname[10];
+
+	while (1) {
+		struct omap_overlay *ovl;
+
+		s = e;
+
+		while (e < strlen(str) && str[e] != ',')
+			e++;
+
+		strncpy(ovlname, str + s, e - s);
+		ovlname[e-s] = 0;
+
+		DBG("searching for '%s'\n", ovlname);
+		ovl = find_overlay_by_name(fbdev, ovlname);
+
+		if (ovl) {
+			DBG("found an overlay\n");
+			ovls[num_ovls] = ovl;
+			num_ovls++;
+		} else {
+			DBG("unknown overlay %s\n", str);
+			return 0;
+		}
+
+		if (e == strlen(str))
+			break;
+
+		e++;
+	}
+
+	return num_ovls;
+}
+
+static ssize_t store_framebuffers(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
+	int idx;
+	char fbname[3];
+	unsigned long fbnum;
+	char ovlnames[40];
+	int num_ovls = 0;
+	struct omap_overlay *ovls[OMAPFB_MAX_OVL_PER_FB];
+	struct fb_info *fbi;
+	struct omapfb_info *ofbi;
+	int r, i;
+
+	idx = 0;
+	while (idx < count && buf[idx] != ' ')
+		++idx;
+
+	if (idx == count)
+		return -EINVAL;
+
+	if (idx >= sizeof(fbname))
+		return -EINVAL;
+
+	strncpy(fbname, buf, idx);
+	fbname[idx] = 0;
+	idx++;
+
+	if (strict_strtoul(fbname, 10, &fbnum))
+		return -EINVAL;
+
+	r = sscanf(buf + idx, "t:%39s", ovlnames);
+
+	if (r != 1) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	omapfb_lock(fbdev);
+
+	if (fbnum >= fbdev->num_fbs) {
+		dev_err(dev, "fb not found\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	fbi = fbdev->fbs[fbnum];
+	ofbi = FB2OFB(fbi);
+
+	if (strcmp(ovlnames, "none") == 0) {
+		num_ovls = 0;
+	} else {
+		num_ovls = parse_overlays(fbdev, ovlnames, ovls);
+
+		if (num_ovls == 0) {
+			dev_err(dev, "overlays not found\n");
+			r = -EINVAL;
+			goto err;
+		}
+	}
+
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		r = omapfb_detach_framebuffer(fbi, ofbi->overlays[i]);
+		if (r) {
+			dev_err(dev, "detach failed\n");
+			goto err;
+		}
+	}
+
+	if (num_ovls > 0) {
+		for (i = 0; i < num_ovls; i++) {
+			r = omapfb_attach_framebuffer(fbi, ovls[i]);
+			if (r) {
+				dev_err(dev, "attach failed\n");
+				goto err;
+			}
+		}
+	}
+
+	omapfb_unlock(fbdev);
+	return count;
+
+err:
+	omapfb_unlock(fbdev);
+	return r;
+}
+
+static ssize_t show_overlays(struct device *dev, struct device_attribute *attr,
+		char *buf)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
+	ssize_t l = 0, size = PAGE_SIZE;
+	int i, mgr_num;
+
+	omapfb_lock(fbdev);
+
+	for (i = 0; i < fbdev->num_overlays; i++) {
+		struct omap_overlay *ovl;
+		struct omap_overlay_manager *mgr;
+
+		ovl = fbdev->overlays[i];
+		mgr = ovl->manager;
+
+		for (mgr_num = 0; mgr_num < fbdev->num_managers; mgr_num++)
+			if (fbdev->managers[mgr_num] == mgr)
+				break;
+
+		l += snprintf(buf + l, size - l,
+			"%s t:%s x:%d y:%d iw:%d ih:%d w: %d h: %d e:%d\n",
+			ovl->name,
+			mgr ? mgr->name : "none",
+			ovl->info.pos_x,
+			ovl->info.pos_y,
+			ovl->info.width,
+			ovl->info.height,
+			ovl->info.out_width,
+			ovl->info.out_height,
+			ovl->info.enabled);
+	}
+
+	omapfb_unlock(fbdev);
+
+	return l;
+}
+
+static ssize_t store_overlays(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
+	int idx;
+	struct omap_overlay *ovl = NULL;
+	struct omap_overlay_manager *mgr;
+	int r;
+	char ovlname[10];
+	int posx, posy, outw, outh;
+	int enabled;
+
+	idx = 0;
+	while (idx < count && buf[idx] != ' ')
+		++idx;
+
+	if (idx == count)
+		return -EINVAL;
+
+	if (idx >= sizeof(ovlname))
+		return -EINVAL;
+
+	strncpy(ovlname, buf, idx);
+	ovlname[idx] = 0;
+	idx++;
+
+	omapfb_lock(fbdev);
+
+	ovl = find_overlay_by_name(fbdev, ovlname);
+
+	if (!ovl) {
+		dev_err(dev, "ovl not found\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	DBG("ovl %s found\n", ovl->name);
+
+	mgr = ovl->manager;
+
+	posx = ovl->info.pos_x;
+	posy = ovl->info.pos_y;
+	outw = ovl->info.out_width;
+	outh = ovl->info.out_height;
+	enabled = ovl->info.enabled;
+
+	while (idx < count) {
+		char c;
+		int val;
+		int len;
+		char sval[10];
+
+		r = sscanf(buf + idx, "%c:%d%n", &c, &val, &len);
+
+		if (r != 2) {
+			val = 0;
+
+			r = sscanf(buf + idx, "%c:%9s%n", &c, sval, &len);
+
+			if (r != 2) {
+				dev_err(dev, "sscanf failed, aborting\n");
+				r = -EINVAL;
+				goto err;
+			}
+		} else {
+			sval[0] = 0;
+		}
+
+		switch (c) {
+		case 't':
+			if (strcmp(sval, "none") == 0) {
+				mgr = NULL;
+			} else {
+				mgr = find_manager_by_name(fbdev, sval);
+
+				if (mgr == NULL) {
+					dev_err(dev, "no such manager\n");
+					r = -EINVAL;
+					goto err;
+				}
+
+				DBG("manager %s found\n", mgr->name);
+			}
+
+			break;
+
+		case 'x':
+			posx = val;
+			break;
+
+		case 'y':
+			posy = val;
+			break;
+
+		case 'w':
+			if (ovl->caps & OMAP_DSS_OVL_CAP_SCALE)
+				outw = val;
+			break;
+
+		case 'h':
+			if (ovl->caps & OMAP_DSS_OVL_CAP_SCALE)
+				outh = val;
+			break;
+
+		case 'e':
+			enabled = val;
+			break;
+
+		default:
+			dev_err(dev, "unknown option %c\n", c);
+			r = -EINVAL;
+			goto err;
+		}
+
+		idx += len + 1;
+	}
+
+	r = ovl->setup_output(ovl, posx, posy, outw, outh);
+
+	if (r) {
+		dev_err(dev, "setup overlay failed\n");
+		goto err;
+	}
+
+	if (mgr != ovl->manager) {
+		/* detach old manager */
+		if (ovl->manager) {
+			r = ovl->unset_manager(ovl);
+			if (r) {
+				dev_err(dev, "detach failed\n");
+				goto err;
+			}
+		}
+
+		if (mgr) {
+			r = ovl->set_manager(ovl, mgr);
+			if (r) {
+				dev_err(dev, "Failed to attach overlay\n");
+				goto err;
+			}
+		}
+	}
+
+	r = ovl->enable(ovl, enabled);
+
+	if (r) {
+		dev_err(dev, "enable overlay failed\n");
+		goto err;
+	}
+
+	if (mgr) {
+		r = mgr->apply(mgr);
+		if (r) {
+			dev_err(dev, "failed to apply dispc config\n");
+			goto err;
+		}
+	} else {
+		ovl->enable(ovl, 0);
+	}
+
+	if (mgr && mgr->display && mgr->display->update)
+		mgr->display->update(mgr->display,
+				0, 0,
+				mgr->display->panel->timings.x_res,
+				mgr->display->panel->timings.y_res);
+
+	omapfb_unlock(fbdev);
+	return count;
+
+err:
+	omapfb_unlock(fbdev);
+	return r;
+}
+
+static ssize_t show_managers(struct device *dev, struct device_attribute *attr,
+		char *buf)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
+	ssize_t l = 0, size = PAGE_SIZE;
+	int i;
+
+	omapfb_lock(fbdev);
+
+	for (i = 0; i < fbdev->num_managers; i++) {
+		struct omap_display *display;
+		struct omap_overlay_manager *mgr;
+
+		mgr = fbdev->managers[i];
+		display = mgr->display;
+
+		l += snprintf(buf + l, size - l, "%s t:%s\n",
+				mgr->name, display ? display->name : "none");
+	}
+
+	omapfb_unlock(fbdev);
+
+	return l;
+}
+
+static ssize_t store_managers(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
+	int idx;
+	struct omap_overlay_manager *mgr;
+	struct omap_display *display;
+	char mgrname[10];
+	char displayname[10];
+	int r;
+
+	idx = 0;
+	while (idx < count && buf[idx] != ' ')
+		++idx;
+
+	if (idx == count)
+		return -EINVAL;
+
+	if (idx >= sizeof(mgrname))
+		return -EINVAL;
+
+	strncpy(mgrname, buf, idx);
+	mgrname[idx] = 0;
+	idx++;
+
+	omapfb_lock(fbdev);
+
+	mgr = find_manager_by_name(fbdev, mgrname);
+
+	if (!mgr) {
+		dev_err(dev, "manager not found\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	r = sscanf(buf + idx, "t:%9s", displayname);
+
+	if (r != 1) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	if (strcmp(displayname, "none") == 0) {
+		display = NULL;
+	} else {
+		display = find_display_by_name(fbdev, displayname);
+
+		if (!display) {
+			dev_err(dev, "display not found\n");
+			r = -EINVAL;
+			goto err;
+		}
+	}
+
+	if (mgr->display) {
+		r = mgr->unset_display(mgr);
+		if (r) {
+			dev_err(dev, "failed to unset display\n");
+			goto err;
+		}
+	}
+
+	if (display) {
+		r = mgr->set_display(mgr, display);
+		if (r) {
+			dev_err(dev, "failed to set manager\n");
+			goto err;
+		}
+
+		r = mgr->apply(mgr);
+		if (r) {
+			dev_err(dev, "failed to apply dispc config\n");
+			goto err;
+		}
+	}
+
+	omapfb_unlock(fbdev);
+	return count;
+
+err:
+	omapfb_unlock(fbdev);
+	return r;
+}
+
+static ssize_t show_displays(struct device *dev, struct device_attribute *attr,
+		char *buf)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
+	ssize_t l = 0, size = PAGE_SIZE;
+	int i;
+	struct omap_video_timings timings;
+
+	omapfb_lock(fbdev);
+
+	for (i = 0; i < fbdev->num_displays; i++) {
+		struct omap_display *display;
+		enum omap_dss_update_mode mode = -1;
+		int te = 0;
+
+		display = fbdev->displays[i];
+
+		if (display->get_update_mode)
+			mode = display->get_update_mode(display);
+
+		if (display->get_te)
+			te = display->get_te(display);
+
+		if (display->get_timings)
+			display->get_timings(display, &timings);
+		else
+			memset(&timings, 0, sizeof(timings));
+
+		l += snprintf(buf + l, size - l,
+				"%s e:%d u:%d t:%d h:%u/%u/%u/%u "
+				"v:%u/%u/%u/%u p:%u\n",
+				display->name,
+				display->state != OMAP_DSS_DISPLAY_DISABLED,
+				mode, te,
+				timings.x_res,
+				timings.hfp, timings.hbp, timings.hsw,
+				timings.y_res,
+				timings.vfp, timings.vbp, timings.vsw,
+				timings.pixel_clock);
+	}
+
+	omapfb_unlock(fbdev);
+
+	return l;
+}
+
+static ssize_t store_displays(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
+	int enable;
+	struct omap_video_timings old_timings;
+	struct omap_video_timings new_timings;
+	enum omap_dss_update_mode mode;
+	struct omap_display *display = NULL;
+	int r;
+	int te;
+	char str[128];
+	char *s, *tok;
+
+	if (strlen(buf) > sizeof(str) - 1)
+		return -EINVAL;
+
+	strcpy(str, buf);
+
+	/* remove trailing linefeeds */
+	s = str + strlen(str) - 1;
+	while (s >= str	&& *s == '\n') {
+		*s = 0;
+		s--;
+	}
+
+	s = str;
+
+	if ((tok = strsep(&s, " ")) == 0)
+		return -EINVAL;
+
+	omapfb_lock(fbdev);
+
+	display = find_display_by_name(fbdev, tok);
+
+	if (!display) {
+		dev_err(dev, "display not found\n");
+		r = -EINVAL;
+		goto err;
+	}
+
+	enable = display->state != OMAP_DSS_DISPLAY_DISABLED;
+	if (display->get_update_mode)
+		mode = display->get_update_mode(display);
+	else
+		mode = 0;
+
+	if (display->get_te)
+		te = display->get_te(display);
+	else
+		te = 0;
+
+	if (display->get_timings)
+		display->get_timings(display, &old_timings);
+	else
+		memset(&old_timings, 0, sizeof(old_timings));
+
+	memcpy(&new_timings, &old_timings, sizeof(new_timings));
+
+	while ((tok = strsep(&s, " "))) {
+		char c, *o;
+
+		if (strlen(tok) < 3 || tok[1] != ':') {
+			dev_err(dev, "illegal option\n");
+			r = -EINVAL;
+			goto err;
+		}
+
+		c = tok[0];
+		o = tok + 2;
+
+		switch (c) {
+		case 'e':
+			enable = simple_strtoul(o, NULL, 0);
+			break;
+
+		case 'u':
+			mode = simple_strtoul(o, NULL, 0);
+			break;
+
+		case 't':
+			te = simple_strtoul(o, NULL, 0);
+			break;
+
+		case 'm': {
+			unsigned bpp;
+			if (omapfb_mode_to_timings(o, &new_timings, &bpp) != 0)
+				memset(&new_timings, 0, sizeof(new_timings));
+
+			break;
+		}
+
+		case 'h': {
+			unsigned xres, hfp, hbp, hsw;
+
+			if (sscanf(o, "%u/%u/%u/%u",
+						&xres, &hfp, &hbp, &hsw) != 4) {
+				dev_err(dev, "illegal horizontal timings\n");
+				r = -EINVAL;
+				goto err;
+			}
+
+			new_timings.x_res = xres;
+			new_timings.hfp = hfp;
+			new_timings.hbp = hbp;
+			new_timings.hsw = hsw;
+			break;
+		}
+
+		case 'v': {
+			unsigned yres, vfp, vbp, vsw;
+
+			if (sscanf(o, "%u/%u/%u/%u",
+						&yres, &vfp, &vbp, &vsw) != 4) {
+				dev_err(dev, "illegal vertical timings\n");
+				r = -EINVAL;
+				goto err;
+			}
+
+			new_timings.y_res = yres;
+			new_timings.vfp = vfp;
+			new_timings.vbp = vbp;
+			new_timings.vsw = vsw;
+			break;
+		}
+
+		case 'p':
+			new_timings.pixel_clock = simple_strtoul(o, NULL, 0);
+			break;
+
+		default:
+			dev_err(dev, "unknown option %c\n", c);
+			r = -EINVAL;
+			goto err;
+		}
+	}
+
+	if (memcmp(&new_timings, &old_timings, sizeof(new_timings)) != 0) {
+		if (display->set_timings)
+			display->set_timings(display, &new_timings);
+
+		/* sigh, bpp is not a setting of the display, but
+		 * the overlay. */
+		//def_display->panel->bpp = bpp;
+	}
+
+	if (enable != (display->state != OMAP_DSS_DISPLAY_DISABLED)) {
+		if (enable) {
+			r = display->enable(display);
+			if (r)
+				dev_err(dev, "failed to enable display\n");
+		} else {
+			display->disable(display);
+		}
+	}
+
+	if (display->set_update_mode && display->get_update_mode) {
+		if (mode != display->get_update_mode(display))
+			display->set_update_mode(display, mode);
+	}
+
+	if (display->enable_te && display->get_te) {
+		if (te != display->get_te(display))
+			display->enable_te(display, te);
+	}
+
+	r = count;
+err:
+	omapfb_unlock(fbdev);
+	return r;
+}
+
+
+static DEVICE_ATTR(framebuffers, S_IRUGO | S_IWUSR,
+		show_framebuffers, store_framebuffers);
+static DEVICE_ATTR(overlays, S_IRUGO | S_IWUSR,
+		show_overlays, store_overlays);
+static DEVICE_ATTR(managers, S_IRUGO | S_IWUSR,
+		show_managers, store_managers);
+static DEVICE_ATTR(displays, S_IRUGO | S_IWUSR,
+		show_displays, store_displays);
+
+static struct attribute *omapfb_attrs[] = {
+	&dev_attr_framebuffers.attr,
+	&dev_attr_overlays.attr,
+	&dev_attr_managers.attr,
+	&dev_attr_displays.attr,
+	NULL,
+};
+
+static struct attribute_group omapfb_attr_group = {
+	.attrs = omapfb_attrs,
+};
+
+void omapfb_create_sysfs(struct omapfb2_device *fbdev)
+{
+	int r;
+
+	r = sysfs_create_group(&fbdev->dev->kobj, &omapfb_attr_group);
+	if (r)
+		dev_err(fbdev->dev, "failed to create sysfs clk file\n");
+}
+
+void omapfb_remove_sysfs(struct omapfb2_device *fbdev)
+{
+	sysfs_remove_group(&fbdev->dev->kobj, &omapfb_attr_group);
+}
+
diff --git a/drivers/video/omap2/omapfb.h b/drivers/video/omap2/omapfb.h
new file mode 100644
index 0000000..9ba4f1b
--- /dev/null
+++ b/drivers/video/omap2/omapfb.h
@@ -0,0 +1,115 @@
+/*
+ * linux/drivers/video/omap2/omapfb.h
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * Some code and ideas taken from drivers/video/omap/ driver
+ * by Imre Deak.
+ *
+ * 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.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
+#define __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
+
+#ifdef CONFIG_FB_OMAP2_DEBUG
+#define DEBUG
+#endif
+
+#ifdef DEBUG
+extern unsigned int omapfb_debug;
+#define DBG(format, ...) \
+	if (omapfb_debug) \
+		printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__)
+#else
+#define DBG(format, ...)
+#endif
+
+#define FB2OFB(fb_info) ((struct omapfb_info *)(fb_info->par))
+
+/* max number of overlays to which a framebuffer data can be direct */
+#define OMAPFB_MAX_OVL_PER_FB 3
+
+/* appended to fb_info */
+struct omapfb_info {
+	int id;
+	struct omapfb_mem_region region;
+	atomic_t map_count;
+	int num_overlays;
+	struct omap_overlay *overlays[OMAPFB_MAX_OVL_PER_FB];
+	struct omapfb2_device *fbdev;
+};
+
+struct omapfb2_device {
+	struct device *dev;
+	struct mutex  mtx;
+
+	u32 pseudo_palette[17];
+
+	int state;
+
+	int num_fbs;
+	struct fb_info *fbs[10];
+
+	int num_displays;
+	struct omap_display *displays[10];
+	int num_overlays;
+	struct omap_overlay *overlays[10];
+	int num_managers;
+	struct omap_overlay_manager *managers[10];
+};
+
+void set_fb_fix(struct fb_info *fbi);
+int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var);
+int omapfb_realloc_fbmem(struct omapfb2_device *fbdev, int fbnum,
+		unsigned long size);
+int omapfb_apply_changes(struct fb_info *fbi, int init);
+int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
+		int posx, int posy, int outw, int outh);
+
+void omapfb_create_sysfs(struct omapfb2_device *fbdev);
+void omapfb_remove_sysfs(struct omapfb2_device *fbdev);
+
+int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg);
+
+int omapfb_mode_to_timings(const char *mode_str,
+		struct omap_video_timings *timings, unsigned *bpp);
+
+/* find the display connected to this fb, if any */
+static inline struct omap_display *fb2display(struct fb_info *fbi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	int i;
+
+	/* XXX: returns the display connected to first attached overlay */
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		if (ofbi->overlays[i]->manager)
+			return ofbi->overlays[i]->manager->display;
+	}
+
+	return NULL;
+}
+
+static inline void omapfb_lock(struct omapfb2_device *fbdev)
+{
+	mutex_lock(&fbdev->mtx);
+}
+
+static inline void omapfb_unlock(struct omapfb2_device *fbdev)
+{
+	mutex_unlock(&fbdev->mtx);
+}
+
+
+#endif
-- 
1.5.6.3