OMAP: DSS2: omapfb driver

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

9 files changed, 3713 insertions, 2 deletions

diff --git a/drivers/video/omap/Kconfig b/drivers/video/omap/Kconfig
index 551e3e9c4cb..455c6055325 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
@@ -72,7 +73,7 @@ config FB_OMAP_LCD_MIPID
 
 config FB_OMAP_BOOTLOADER_INIT
 	bool "Check bootloader initialization"
-	depends on FB_OMAP
+	depends on FB_OMAP || FB_OMAP2
 	help
 	  Say Y here if you want to enable checking if the bootloader has
 	  already initialized the display controller. In this case the
diff --git a/drivers/video/omap2/Kconfig b/drivers/video/omap2/Kconfig
index 55b4c4265f5..3e60d7e8854 100644
--- a/drivers/video/omap2/Kconfig
+++ b/drivers/video/omap2/Kconfig
@@ -5,3 +5,4 @@ config OMAP2_VRFB
 	bool
 
 source "drivers/video/omap2/dss/Kconfig"
+source "drivers/video/omap2/omapfb/Kconfig"
diff --git a/drivers/video/omap2/Makefile b/drivers/video/omap2/Makefile
index ee0644f9d3c..3ba6ef5e30d 100644
--- a/drivers/video/omap2/Makefile
+++ b/drivers/video/omap2/Makefile
@@ -2,3 +2,4 @@ obj-$(CONFIG_OMAP2_VRAM) += vram.o
 obj-$(CONFIG_OMAP2_VRFB) += vrfb.o
 
 obj-y += dss/
+obj-y += omapfb/
diff --git a/drivers/video/omap2/omapfb/Kconfig b/drivers/video/omap2/omapfb/Kconfig
new file mode 100644
index 00000000000..bb694cc52a5
--- /dev/null
+++ b/drivers/video/omap2/omapfb/Kconfig
@@ -0,0 +1,37 @@
+menuconfig FB_OMAP2
+        tristate "OMAP2/3 frame buffer support (EXPERIMENTAL)"
+        depends on FB && OMAP2_DSS
+
+	select OMAP2_VRAM
+	select OMAP2_VRFB
+        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_SUPPORT
+	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.
diff --git a/drivers/video/omap2/omapfb/Makefile b/drivers/video/omap2/omapfb/Makefile
new file mode 100644
index 00000000000..51c2e00d9bf
--- /dev/null
+++ b/drivers/video/omap2/omapfb/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/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
new file mode 100644
index 00000000000..4c4bafdfaa4
--- /dev/null
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -0,0 +1,755 @@
+/*
+ * 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 <linux/omapfb.h>
+#include <linux/vmalloc.h>
+
+#include <plat/display.h>
+#include <plat/vrfb.h>
+#include <plat/vram.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_overlay *ovl;
+	struct omap_overlay_info info;
+	int r = 0;
+
+	DBG("omapfb_setup_plane\n");
+
+	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;
+	}
+
+	ovl->get_overlay_info(ovl, &info);
+
+	info.pos_x = pi->pos_x;
+	info.pos_y = pi->pos_y;
+	info.out_width = pi->out_width;
+	info.out_height = pi->out_height;
+	info.enabled = pi->enabled;
+
+	r = ovl->set_overlay_info(ovl, &info);
+	if (r)
+		goto out;
+
+	if (ovl->manager) {
+		r = ovl->manager->apply(ovl->manager);
+		if (r)
+			goto out;
+	}
+
+out:
+	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);
+
+	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;
+	}
+
+	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 omapfb2_mem_region *rg;
+	int r, i;
+	size_t size;
+
+	if (mi->type > OMAPFB_MEMTYPE_MAX)
+		return -EINVAL;
+
+	size = PAGE_ALIGN(mi->size);
+
+	rg = &ofbi->region;
+
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		if (ofbi->overlays[i]->info.enabled)
+			return -EBUSY;
+	}
+
+	if (rg->size != size || rg->type != mi->type) {
+		r = omapfb_realloc_fbmem(fbi, size, mi->type);
+		if (r) {
+			dev_err(fbdev->dev, "realloc fbmem failed\n");
+			return r;
+		}
+	}
+
+	return 0;
+}
+
+static int omapfb_query_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_mem_region *rg;
+
+	rg = &ofbi->region;
+	memset(mi, 0, sizeof(*mi));
+
+	mi->size = rg->size;
+	mi->type = rg->type;
+
+	return 0;
+}
+
+static int omapfb_update_window_nolock(struct fb_info *fbi,
+		u32 x, u32 y, u32 w, u32 h)
+{
+	struct omap_dss_device *display = fb2display(fbi);
+	u16 dw, dh;
+
+	if (!display)
+		return 0;
+
+	if (w == 0 || h == 0)
+		return 0;
+
+	display->get_resolution(display, &dw, &dh);
+
+	if (x + w > dw || y + h > dh)
+		return -EINVAL;
+
+	return display->update(display, x, y, w, h);
+}
+
+/* This function is exported for SGX driver use */
+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;
+	int r;
+
+	omapfb_lock(fbdev);
+	lock_fb_info(fbi);
+
+	r = omapfb_update_window_nolock(fbi, x, y, w, h);
+
+	unlock_fb_info(fbi);
+	omapfb_unlock(fbdev);
+
+	return r;
+}
+EXPORT_SYMBOL(omapfb_update_window);
+
+static int omapfb_set_update_mode(struct fb_info *fbi,
+				   enum omapfb_update_mode mode)
+{
+	struct omap_dss_device *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;
+	}
+
+	r = display->set_update_mode(display, um);
+
+	return r;
+}
+
+static int omapfb_get_update_mode(struct fb_info *fbi,
+		enum omapfb_update_mode *mode)
+{
+	struct omap_dss_device *display = fb2display(fbi);
+	enum omap_dss_update_mode m;
+
+	if (!display || !display->get_update_mode)
+		return -EINVAL;
+
+	m = display->get_update_mode(display);
+
+	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;
+}
+
+/* XXX this color key handling is a hack... */
+static struct omapfb_color_key omapfb_color_keys[2];
+
+static int _omapfb_set_color_key(struct omap_overlay_manager *mgr,
+		struct omapfb_color_key *ck)
+{
+	struct omap_overlay_manager_info info;
+	enum omap_dss_trans_key_type kt;
+	int r;
+
+	mgr->get_manager_info(mgr, &info);
+
+	if (ck->key_type == OMAPFB_COLOR_KEY_DISABLED) {
+		info.trans_enabled = false;
+		omapfb_color_keys[mgr->id] = *ck;
+
+		r = mgr->set_manager_info(mgr, &info);
+		if (r)
+			return r;
+
+		r = mgr->apply(mgr);
+
+		return r;
+	}
+
+	switch (ck->key_type) {
+	case OMAPFB_COLOR_KEY_GFX_DST:
+		kt = OMAP_DSS_COLOR_KEY_GFX_DST;
+		break;
+	case OMAPFB_COLOR_KEY_VID_SRC:
+		kt = OMAP_DSS_COLOR_KEY_VID_SRC;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	info.default_color = ck->background;
+	info.trans_key = ck->trans_key;
+	info.trans_key_type = kt;
+	info.trans_enabled = true;
+
+	omapfb_color_keys[mgr->id] = *ck;
+
+	r = mgr->set_manager_info(mgr, &info);
+	if (r)
+		return r;
+
+	r = mgr->apply(mgr);
+
+	return r;
+}
+
+static int omapfb_set_color_key(struct fb_info *fbi,
+		struct omapfb_color_key *ck)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	int r;
+	int i;
+	struct omap_overlay_manager *mgr = NULL;
+
+	omapfb_lock(fbdev);
+
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		if (ofbi->overlays[i]->manager) {
+			mgr = ofbi->overlays[i]->manager;
+			break;
+		}
+	}
+
+	if (!mgr) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	r = _omapfb_set_color_key(mgr, ck);
+err:
+	omapfb_unlock(fbdev);
+
+	return r;
+}
+
+static int omapfb_get_color_key(struct fb_info *fbi,
+		struct omapfb_color_key *ck)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	struct omapfb2_device *fbdev = ofbi->fbdev;
+	struct omap_overlay_manager *mgr = NULL;
+	int r = 0;
+	int i;
+
+	omapfb_lock(fbdev);
+
+	for (i = 0; i < ofbi->num_overlays; i++) {
+		if (ofbi->overlays[i]->manager) {
+			mgr = ofbi->overlays[i]->manager;
+			break;
+		}
+	}
+
+	if (!mgr) {
+		r = -EINVAL;
+		goto err;
+	}
+
+	*ck = omapfb_color_keys[mgr->id];
+err:
+	omapfb_unlock(fbdev);
+
+	return r;
+}
+
+static int omapfb_memory_read(struct fb_info *fbi,
+		struct omapfb_memory_read *mr)
+{
+	struct omap_dss_device *display = fb2display(fbi);
+	void *buf;
+	int r;
+
+	if (!display || !display->memory_read)
+		return -ENOENT;
+
+	if (!access_ok(VERIFY_WRITE, mr->buffer, mr->buffer_size))
+		return -EFAULT;
+
+	if (mr->w * mr->h * 3 > mr->buffer_size)
+		return -EINVAL;
+
+	buf = vmalloc(mr->buffer_size);
+	if (!buf) {
+		DBG("vmalloc failed\n");
+		return -ENOMEM;
+	}
+
+	r = display->memory_read(display, buf, mr->buffer_size,
+			mr->x, mr->y, mr->w, mr->h);
+
+	if (r > 0) {
+		if (copy_to_user(mr->buffer, buf, mr->buffer_size))
+			r = -EFAULT;
+	}
+
+	vfree(buf);
+
+	return r;
+}
+
+static int omapfb_get_ovl_colormode(struct omapfb2_device *fbdev,
+			     struct omapfb_ovl_colormode *mode)
+{
+	int ovl_idx = mode->overlay_idx;
+	int mode_idx = mode->mode_idx;
+	struct omap_overlay *ovl;
+	enum omap_color_mode supported_modes;
+	struct fb_var_screeninfo var;
+	int i;
+
+	if (ovl_idx >= fbdev->num_overlays)
+		return -ENODEV;
+	ovl = fbdev->overlays[ovl_idx];
+	supported_modes = ovl->supported_modes;
+
+	mode_idx = mode->mode_idx;
+
+	for (i = 0; i < sizeof(supported_modes) * 8; i++) {
+		if (!(supported_modes & (1 << i)))
+			continue;
+		/*
+		 * It's possible that the FB doesn't support a mode
+		 * that is supported by the overlay, so call the
+		 * following here.
+		 */
+		if (dss_mode_to_fb_mode(1 << i, &var) < 0)
+			continue;
+
+		mode_idx--;
+		if (mode_idx < 0)
+			break;
+	}
+
+	if (i == sizeof(supported_modes) * 8)
+		return -ENOENT;
+
+	mode->bits_per_pixel = var.bits_per_pixel;
+	mode->nonstd = var.nonstd;
+	mode->red = var.red;
+	mode->green = var.green;
+	mode->blue = var.blue;
+	mode->transp = var.transp;
+
+	return 0;
+}
+
+static int omapfb_wait_for_go(struct fb_info *fbi)
+{
+	struct omapfb_info *ofbi = FB2OFB(fbi);
+	int r = 0;
+	int i;
+
+	for (i = 0; i < ofbi->num_overlays; ++i) {
+		struct omap_overlay *ovl = ofbi->overlays[i];
+		r = ovl->wait_for_go(ovl);
+		if (r)
+			break;
+	}
+
+	return r;
+}
+
+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_dss_device *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;
+		struct omapfb_color_key		color_key;
+		struct omapfb_ovl_colormode	ovl_colormode;
+		enum omapfb_update_mode		update_mode;
+		int test_num;
+		struct omapfb_memory_read	memory_read;
+		struct omapfb_vram_info		vram_info;
+		struct omapfb_tearsync_info	tearsync_info;
+	} p;
+
+	int r = 0;
+
+	switch (cmd) {
+	case OMAPFB_SYNC_GFX:
+		DBG("ioctl SYNC_GFX\n");
+		if (!display || !display->sync) {
+			/* DSS1 never returns an error here, so we neither */
+			/*r = -EINVAL;*/
+			break;
+		}
+
+		r = display->sync(display);
+		break;
+
+	case OMAPFB_UPDATE_WINDOW_OLD:
+		DBG("ioctl UPDATE_WINDOW_OLD\n");
+		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_nolock(fbi, p.uwnd_o.x, p.uwnd_o.y,
+				p.uwnd_o.width, p.uwnd_o.height);
+		break;
+
+	case OMAPFB_UPDATE_WINDOW:
+		DBG("ioctl UPDATE_WINDOW\n");
+		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_nolock(fbi, p.uwnd.x, p.uwnd.y,
+				p.uwnd.width, p.uwnd.height);
+		break;
+
+	case OMAPFB_SETUP_PLANE:
+		DBG("ioctl SETUP_PLANE\n");
+		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:
+		DBG("ioctl QUERY_PLANE\n");
+		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:
+		DBG("ioctl SETUP_MEM\n");
+		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:
+		DBG("ioctl QUERY_MEM\n");
+		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:
+		DBG("ioctl GET_CAPS\n");
+		if (!display) {
+			r = -EINVAL;
+			break;
+		}
+
+		memset(&p.caps, 0, sizeof(p.caps));
+		if (display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE)
+			p.caps.ctrl |= OMAPFB_CAPS_MANUAL_UPDATE;
+		if (display->caps & OMAP_DSS_DISPLAY_CAP_TEAR_ELIM)
+			p.caps.ctrl |= OMAPFB_CAPS_TEARSYNC;
+
+		if (copy_to_user((void __user *)arg, &p.caps, sizeof(p.caps)))
+			r = -EFAULT;
+		break;
+
+	case OMAPFB_GET_OVERLAY_COLORMODE:
+		DBG("ioctl GET_OVERLAY_COLORMODE\n");
+		if (copy_from_user(&p.ovl_colormode, (void __user *)arg,
+				   sizeof(p.ovl_colormode))) {
+			r = -EFAULT;
+			break;
+		}
+		r = omapfb_get_ovl_colormode(fbdev, &p.ovl_colormode);
+		if (r < 0)
+			break;
+		if (copy_to_user((void __user *)arg, &p.ovl_colormode,
+				 sizeof(p.ovl_colormode)))
+			r = -EFAULT;
+		break;
+
+	case OMAPFB_SET_UPDATE_MODE:
+		DBG("ioctl SET_UPDATE_MODE\n");
+		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:
+		DBG("ioctl GET_UPDATE_MODE\n");
+		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;
+
+	case OMAPFB_SET_COLOR_KEY:
+		DBG("ioctl SET_COLOR_KEY\n");
+		if (copy_from_user(&p.color_key, (void __user *)arg,
+				   sizeof(p.color_key)))
+			r = -EFAULT;
+		else
+			r = omapfb_set_color_key(fbi, &p.color_key);
+		break;
+
+	case OMAPFB_GET_COLOR_KEY:
+		DBG("ioctl GET_COLOR_KEY\n");
+		r = omapfb_get_color_key(fbi, &p.color_key);
+		if (r)
+			break;
+		if (copy_to_user((void __user *)arg, &p.color_key,
+				 sizeof(p.color_key)))
+			r = -EFAULT;
+		break;
+
+	case OMAPFB_WAITFORVSYNC:
+		DBG("ioctl WAITFORVSYNC\n");
+		if (!display) {
+			r = -EINVAL;
+			break;
+		}
+
+		r = display->wait_vsync(display);
+		break;
+
+	case OMAPFB_WAITFORGO:
+		DBG("ioctl WAITFORGO\n");
+		if (!display) {
+			r = -EINVAL;
+			break;
+		}
+
+		r = omapfb_wait_for_go(fbi);
+		break;
+
+	/* LCD and CTRL tests do the same thing for backward
+	 * compatibility */
+	case OMAPFB_LCD_TEST:
+		DBG("ioctl LCD_TEST\n");
+		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:
+		DBG("ioctl CTRL_TEST\n");
+		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_MEMORY_READ:
+		DBG("ioctl MEMORY_READ\n");
+
+		if (copy_from_user(&p.memory_read, (void __user *)arg,
+					sizeof(p.memory_read))) {
+			r = -EFAULT;
+			break;
+		}
+
+		r = omapfb_memory_read(fbi, &p.memory_read);
+
+		break;
+
+	case OMAPFB_GET_VRAM_INFO: {
+		unsigned long vram, free, largest;
+
+		DBG("ioctl GET_VRAM_INFO\n");
+
+		omap_vram_get_info(&vram, &free, &largest);
+		p.vram_info.total = vram;
+		p.vram_info.free = free;
+		p.vram_info.largest_free_block = largest;
+
+		if (copy_to_user((void __user *)arg, &p.vram_info,
+					sizeof(p.vram_info)))
+			r = -EFAULT;
+		break;
+	}
+
+	case OMAPFB_SET_TEARSYNC: {
+		DBG("ioctl SET_TEARSYNC\n");
+
+		if (copy_from_user(&p.tearsync_info, (void __user *)arg,
+					sizeof(p.tearsync_info))) {
+			r = -EFAULT;
+			break;
+		}
+
+		if (!display->enable_te) {
+			r = -ENODEV;
+			break;
+		}
+
+		r = display->enable_te(display, !!p.tearsync_info.enabled);
+
+		break;
+	}
+
+	default:
+		dev_err(fbdev->dev, "Unknown ioctl 0x%x\n", cmd);
+		r = -EINVAL;
+	}
+
+	if (r < 0)
+		DBG("ioctl failed: %d\n", r);
+
+	return r;
+}
+
+
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
new file mode 100644
index 00000000000..ef299839858
--- /dev/null
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -0,0 +1,2261 @@
+/*
+ * 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 <linux/omapfb.h>
+
+#include <plat/display.h>
+#include <plat/vram.h>
+#include <plat/vrfb.h>
+
+#include "omapfb.h"
+
+#define MODULE_NAME     "omapfb"
+
+#define OMAPFB_PLANE_XRES_MIN		8
+#define OMAPFB_PLANE_YRES_MIN		8
+
+static char *def_mode;
+static char *def_vram;
+static int def_vrfb;
+static int def_rotate;
+static int def_mirror;
+
+#ifdef DEBUG
+unsigned int omapfb_debug;
+module_param_named(debug, omapfb_debug, bool, 0644);
+static unsigned int omapfb_test_pattern;
+module_param_named(test, omapfb_test_pattern, bool, 0644);
+#endif
+
+static int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi);
+
+#ifdef DEBUG
+static void draw_pixel(struct fb_info *fbi, int x, int y, unsigned color)
+{
+	struct fb_var_screeninfo *var = &fbi->var;
+	struct fb_fix_screeninfo *fix = &fbi->fix;
+	void __iomem *addr = fbi->screen_base;
+	const unsigned bytespp = var->bits_per_pixel >> 3;
+	const unsigned line_len = fix->line_length / bytespp;
+
+	int r = (color >> 16) & 0xff;
+	int g = (color >> 8) & 0xff;
+	int b = (color >> 0) & 0xff;
+
+	if (var->bits_per_pixel == 16) {
+		u16 __iomem *p = (u16 __iomem *)addr;
+		p += y * line_len + x;
+
+		r = r * 32 / 256;
+		g = g * 64 / 256;
+		b = b * 32 / 256;
+
+		__raw_writew((r << 11) | (g << 5) | (b << 0), p);
+	} else if (var->bits_per_pixel == 24) {
+		u8 __iomem *p = (u8 __iomem *)addr;
+		p += (y * line_len + x) * 3;
+
+		__raw_writeb(b, p + 0);
+		__raw_writeb(g, p + 1);
+		__raw_writeb(r, p + 2);
+	} else if (var->bits_per_pixel == 32) {
+		u32 __iomem *p = (u32 __iomem *)addr;
+		p += y * line_len + x;
+		__raw_writel(color, p);
+	}
+}
+
+static void fill_fb(struct fb_info *fbi)
+{
+	struct fb_var_screeninfo *var = &fbi->var;
+	const short w = var->xres_virtual;
+	const short h = var->yres_virtual;
+	void __iomem *addr = fbi->screen_base;
+	int y, x;
+
+	if (!addr)
+		return;
+
+	DBG("fill_fb %dx%d, line_len %d bytes\n", w, h, fbi->fix.line_length);
+
+	for (y = 0; y < h; y++) {
+		for (x = 0; x < w; x++) {
+			if (x < 20 && y < 20)
+				draw_pixel(fbi, x, y, 0xffffff);
+			else if (x < 20 && (y > 20 && y < h - 20))
+				draw_pixel(fbi, x, y, 0xff);
+			else if (y < 20 && (x > 20 && x < w - 20))
+				draw_pixel(fbi, x, y, 0xff00);
+			else if (x > w - 20 && (y > 20 && y < h - 20))
+				draw_pixel(fbi, x, y, 0xff0000);
+			else if (y > h - 20 && (x > 20 && x < w - 20))
+				draw_pixel(fbi, x, y, 0xffff00);
+			else if (x == 20 || x == w - 20 ||
+					y == 20 || y == h - 20)
+				draw_pixel(fbi, x, y, 0xffffff);
+			else if (x == y || w - x == h - y)
+				draw_pixel(fbi, x, y, 0xff00ff);
+			else if (w - x == y || x == h - y)
+				draw_pixel(fbi, x, y, 0x00ffff);
+			else if (x > 20 && y > 20 && x < w - 20 && y < h - 20) {
+				int t = x * 3 / w;
+				unsigned r = 0, g = 0, b = 0;
+				unsigned c;
+				if (var->bits_per_pixel == 16) {
+					if (t == 0)
+						b = (y % 32) * 256 / 32;
+					else if (t == 1)
+						g = (y % 64) * 256 / 64;
+					else if (t == 2)
+						r = (y % 32) * 256 / 32;
+				} else {
+					if (t == 0)
+						b = (y % 256);
+					else if (t == 1)
+						g = (y % 256);
+					else if (t == 2)
+						r = (y % 256);
+				}
+				c = (r << 16) | (g << 8) | (b << 0);
+				draw_pixel(fbi, x, y, c);
+			} else {
+				draw_pixel(fbi, x, y, 0);
+			}
+		}
+	}
+}
+#endif
+
+static unsigned omapfb_get_vrfb_offset(struct omapfb_info *ofbi, int rot)
+{
+	struct vrfb *vrfb = &ofbi->region.vrfb;
+	unsigned offset;
+
+	switch (rot) {
+	case FB_ROTATE_UR:
+		offset = 0;
+		break;
+	case FB_ROTATE_CW:
+		offset = vrfb->yoffset;
+		break;
+	case FB_ROTATE_UD:
+		offset = vrfb->yoffset * OMAP_VRFB_LINE_LEN + vrfb->xoffset;
+		break;
+	case FB_ROTATE_CCW:
+		offset = vrfb->xoffset * OMAP_VRFB_LINE_LEN;
+		break;
+	default:
+		BUG();
+	}
+
+	offset *= vrfb->bytespp;
+
+	return offset;
+}
+
+static u32 omapfb_get_region_rot_paddr(struct omapfb_info *ofbi, int rot)
+{
+	if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB) {
+		return ofbi->region.vrfb.paddr[rot]
+			+ omapfb_get_vrfb_offset(ofbi, rot);
+	} else {
+		return ofbi->region.paddr;
+	}
+}
+
+static u32 omapfb_get_region_paddr(struct omapfb_info *ofbi)
+{
+	if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
+		return ofbi->region.vrfb.paddr[0];
+	else
+		return ofbi->region.paddr;
+}
+
+static void __iomem *omapfb_get_region_vaddr(struct omapfb_info *ofbi)
+{
+	if (ofbi->rotation_type == OMAP_DSS_ROT_VRFB)
+		return ofbi->region.vrfb.vaddr[0];
+	else
+		return ofbi->region.vaddr;
+}
+
+static struct omapfb_colormode omapfb_colormodes[] = {
+	{
+		.dssmode = OMAP_DSS_COLOR_UYVY,
+		.bits_per_pixel = 16,
+		.nonstd = OMAPFB_COLOR_YUV422,
+	}, {
+		.dssmode = OMAP_DSS_COLOR_YUV2,
+		.bits_per_pixel = 16,
+		.nonstd = OMAPFB_COLOR_YUY422,
+	}, {
+		.dssmode = OMAP_DSS_COLOR_ARGB16,
+		.bits_per_pixel = 16,
+		.red	= { .length = 4, .offset = 8, .msb_right = 0 },
+		.green	= { .length = 4, .offset = 4, .msb_right = 0 },
+		.blue	= { .length = 4, .offset = 0, .msb_right = 0 },
+		.transp	= { .length = 4, .offset = 12, .msb_right = 0 },
+	}, {
+		.dssmode = OMAP_DSS_COLOR_RGB16,
+		.bits_per_pixel = 16,
+		.red	= { .length = 5, .offset = 11, .msb_right = 0 },
+		.green	= { .length = 6, .offset = 5, .msb_right = 0 },
+		.blue	= { .length = 5, .offset = 0, .msb_right = 0 },
+		.transp	= { .length = 0, .offset = 0, .msb_right = 0 },
+	}, {
+		.dssmode = OMAP_DSS_COLOR_RGB24P,
+		.bits_per_pixel = 24,
+		.red	= { .length = 8, .offset = 16, .msb_right = 0 },
+		.green	= { .length = 8, .offset = 8, .msb_right = 0 },
+		.blue	= { .length = 8, .offset = 0, .msb_right = 0 },
+		.transp	= { .length = 0, .offset = 0, .msb_right = 0 },
+	}, {
+		.dssmode = OMAP_DSS_COLOR_RGB24U,
+		.bits_per_pixel = 32,
+		.red	= { .length = 8, .offset = 16, .msb_right = 0 },
+		.green	= { .length = 8, .offset = 8, .msb_right = 0 },
+		.blue	= { .length = 8, .offset = 0, .msb_right = 0 },
+		.transp	= { .length = 0, .offset = 0, .msb_right = 0 },
+	}, {
+		.dssmode = OMAP_DSS_COLOR_ARGB32,
+		.bits_per_pixel = 32,
+		.red	= { .length = 8, .offset = 16, .msb_right = 0 },
+		.green	= { .length = 8, .offset = 8, .msb_right = 0 },
+		.blue	= { .length = 8, .offset = 0, .msb_right = 0 },
+		.transp	= { .length = 8, .offset = 24, .msb_right = 0 },
+	}, {
+		.dssmode = OMAP_DSS_COLOR_RGBA32,
+		.bits_per_pixel = 32,
+		.red	= { .length = 8, .offset = 24, .msb_right = 0 },
+		.green	= { .length = 8, .offset = 16, .msb_right = 0 },
+		.blue	= { .length = 8, .offset = 8, .msb_right = 0 },
+		.transp	= { .length = 8, .offset = 0, .msb_right = 0 },
+	}, {
+		.dssmode = OMAP_DSS_COLOR_RGBX32,
+		.bits_per_pixel = 32,
+		.red	= { .length = 8, .offset = 24, .msb_right = 0 },
+		.green	= { .length = 8, .offset = 16, .msb_right = 0 },
+		.blue	= { .length = 8, .offset = 8, .msb_right = 0 },
+		.transp	= { .length = 0, .offset = 0, .msb_right = 0 },
+	},
+};
+
+static bool cmp_var_to_colormode(struct fb_var_screeninfo *var,
+		struct omapfb_colormode *color)
+{
+	bool cmp_component(struct fb_bitfield *f1, struct fb_bitfield *f2)
+	{
+		return f1->length == f2->length &&
+			f1->offset == f2->offset &&
+			f1->msb_right == f2->msb_right;
+	}
+
+	if (var->bits_per_pixel == 0 ||
+			var->red.length == 0 ||
+			var->blue.length == 0 ||
+			var->green.length == 0)
+		return 0;
+
+	return var->bits_per_pixel == color->bits_per_pixel &&
+		cmp_component(&var->red, &color->red) &&
+		cmp_component(&var->green, &color->green) &&
+		cmp_component(&var->blue, &color->blue) &&
+		cmp_component(&var->transp, &color->transp);
+}
+
+static void assign_colormode_to_var(struct fb_var_screeninfo *var,
+