Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:
 "The first part of the media updates for Kernel 3.7.

  This series contain:

   - A major tree renaming patch series: now, drivers are organized
     internally by their used bus, instead of by V4L2 and/or DVB API,
     providing a cleaner driver location for hybrid drivers that
     implement both APIs, and allowing to cleanup the Kconfig items and
     make them more intuitive for the end user;

   - Media Kernel developers are typically very lazy with their duties
     of keeping the MAINTAINERS entries for their drivers updated.  As
     now the tree is more organized, we're doing an effort to add/update
     those entries for the drivers that aren't currently orphan;

   - Several DVB USB drivers got moved to a new DVB USB v2 core; the new
     core fixes several bugs (as the existing one that got bitroted).
     Now, suspend/resume finally started to work fine (at least with
     some devices - we should expect more work with regards to it);

   - added multistream support for DVB-T2, and unified the API for
     DVB-S2 and ISDB-S.  Backward binary support is preserved;

   - as usual, a few new drivers, some V4L2 core improvements and lots
     of drivers improvements and fixes.

  There are some points to notice on this series:

   1) you should expect a trivial merge conflict on your tree, with the
      removal of Documentation/feature-removal-schedule.txt: this series
      would be adding two additional entries there.  I opted to not
      rebase it due to this recent change;

   2) With regards to the PCTV 520e udev-related breakage, I opted to
      fix it in a way that the patches can be backported to 3.5 even
      without your firmware fix patch.  This way, Greg doesn't need to
      rush backporting your patch (as there are still the firmware cache
      and firmware path customization issues to be addressed there).

      I'll send later a patch (likely after the end of the merge window)
      reverting the rest of the DRX-K async firmware request, fully
      restoring its original behaviour to allow media drivers to
      initialize everything serialized as before for 3.7 and upper.

   3) I'm planning to work on this weekend to test the DMABUF patches
      for V4L2.  The patches are on my queue for several Kernel cycles,
      but, up to now, there is/was no way to test the series locally.

      I have some concerns about this particular changeset with regards
      to security issues, and with regards to the replacement of the old
      VIDIOC_OVERLAY ioctl's that is broken on modern systems, due to
      GPU drivers change.  The Overlay API allows direct PCI2PCI
      transfers from a media capture card into the GPU framebuffer, but
      its API is crappy.  Also, the only existing X11 driver that
      implements it requires a XV extension that is not available
      anymore on modern drivers.  The DMABUF can do the same thing, but
      with it is promising to be a properly-designed API.  If I can
      successfully test this series and be happy with it, I should be
      asking you to pull them next week."

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (717 commits)
  em28xx: regression fix: use DRX-K sync firmware requests on em28xx
  drxk: allow loading firmware synchrousnously
  em28xx: Make all em28xx extensions to be initialized asynchronously
  [media] tda18271: properly report read errors in tda18271_get_id
  [media] tda18271: delay IR & RF calibration until init() if delay_cal is set
  [media] MAINTAINERS: add Michael Krufky as tda827x maintainer
  [media] MAINTAINERS: add Michael Krufky as tda8290 maintainer
  [media] MAINTAINERS: add Michael Krufky as cxusb maintainer
  [media] MAINTAINERS: add Michael Krufky as lg2160 maintainer
  [media] MAINTAINERS: add Michael Krufky as lgdt3305 maintainer
  [media] MAINTAINERS: add Michael Krufky as mxl111sf maintainer
  [media] MAINTAINERS: add Michael Krufky as mxl5007t maintainer
  [media] MAINTAINERS: add Michael Krufky as tda18271 maintainer
  [media] s5p-tv: Report only multi-plane capabilities in vidioc_querycap
  [media] s5p-mfc: Fix misplaced return statement in s5p_mfc_suspend()
  [media] exynos-gsc: Add missing static storage class specifiers
  [media] exynos-gsc: Remove <linux/version.h> header file inclusion
  [media] s5p-fimc: Fix incorrect condition in fimc_lite_reqbufs()
  [media] s5p-tv: Fix potential NULL pointer dereference error
  [media] s5k6aa: Fix possible NULL pointer dereference
  ...

16 files changed, 5766 insertions, 0 deletions

diff --git a/drivers/media/platform/s5p-tv/Kconfig b/drivers/media/platform/s5p-tv/Kconfig
new file mode 100644
index 000000000000..ea11a513033f
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/Kconfig
@@ -0,0 +1,86 @@
+# drivers/media/platform/s5p-tv/Kconfig
+#
+# Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+#	http://www.samsung.com/
+# Tomasz Stanislawski <t.stanislaws@samsung.com>
+#
+# Licensed under GPL
+
+config VIDEO_SAMSUNG_S5P_TV
+	bool "Samsung TV driver for S5P platform (experimental)"
+	depends on PLAT_S5P && PM_RUNTIME
+	depends on EXPERIMENTAL
+	default n
+	---help---
+	  Say Y here to enable selecting the TV output devices for
+	  Samsung S5P platform.
+
+if VIDEO_SAMSUNG_S5P_TV
+
+config VIDEO_SAMSUNG_S5P_HDMI
+	tristate "Samsung HDMI Driver"
+	depends on VIDEO_V4L2
+	depends on VIDEO_SAMSUNG_S5P_TV
+	select VIDEO_SAMSUNG_S5P_HDMIPHY
+	help
+	  Say Y here if you want support for the HDMI output
+	  interface in S5P Samsung SoC. The driver can be compiled
+	  as module. It is an auxiliary driver, that exposes a V4L2
+	  subdev for use by other drivers. This driver requires
+	  hdmiphy driver to work correctly.
+
+config VIDEO_SAMSUNG_S5P_HDMI_DEBUG
+	bool "Enable debug for HDMI Driver"
+	depends on VIDEO_SAMSUNG_S5P_HDMI
+	default n
+	help
+	  Enables debugging for HDMI driver.
+
+config VIDEO_SAMSUNG_S5P_HDMIPHY
+	tristate "Samsung HDMIPHY Driver"
+	depends on VIDEO_DEV && VIDEO_V4L2 && I2C
+	depends on VIDEO_SAMSUNG_S5P_TV
+	help
+	  Say Y here if you want support for the physical HDMI
+	  interface in S5P Samsung SoC. The driver can be compiled
+	  as module. It is an I2C driver, that exposes a V4L2
+	  subdev for use by other drivers.
+
+config VIDEO_SAMSUNG_S5P_SII9234
+	tristate "Samsung SII9234 Driver"
+	depends on VIDEO_DEV && VIDEO_V4L2 && I2C
+	depends on VIDEO_SAMSUNG_S5P_TV
+	help
+	  Say Y here if you want support for the MHL interface
+	  in S5P Samsung SoC. The driver can be compiled
+	  as module. It is an I2C driver, that exposes a V4L2
+	  subdev for use by other drivers.
+
+config VIDEO_SAMSUNG_S5P_SDO
+	tristate "Samsung Analog TV Driver"
+	depends on VIDEO_DEV && VIDEO_V4L2
+	depends on VIDEO_SAMSUNG_S5P_TV
+	help
+	  Say Y here if you want support for the analog TV output
+	  interface in S5P Samsung SoC. The driver can be compiled
+	  as module. It is an auxiliary driver, that exposes a V4L2
+	  subdev for use by other drivers. This driver requires
+	  hdmiphy driver to work correctly.
+
+config VIDEO_SAMSUNG_S5P_MIXER
+	tristate "Samsung Mixer and Video Processor Driver"
+	depends on VIDEO_DEV && VIDEO_V4L2
+	depends on VIDEO_SAMSUNG_S5P_TV
+	select VIDEOBUF2_DMA_CONTIG
+	help
+	  Say Y here if you want support for the Mixer in Samsung S5P SoCs.
+	  This device produce image data to one of output interfaces.
+
+config VIDEO_SAMSUNG_S5P_MIXER_DEBUG
+	bool "Enable debug for Mixer Driver"
+	depends on VIDEO_SAMSUNG_S5P_MIXER
+	default n
+	help
+	  Enables debugging for Mixer driver.
+
+endif # VIDEO_SAMSUNG_S5P_TV
diff --git a/drivers/media/platform/s5p-tv/Makefile b/drivers/media/platform/s5p-tv/Makefile
new file mode 100644
index 000000000000..7cd47902e269
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/Makefile
@@ -0,0 +1,19 @@
+# drivers/media/platform/samsung/tvout/Makefile
+#
+# Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+#	http://www.samsung.com/
+# Tomasz Stanislawski <t.stanislaws@samsung.com>
+#
+# Licensed under GPL
+
+obj-$(CONFIG_VIDEO_SAMSUNG_S5P_HDMIPHY) += s5p-hdmiphy.o
+s5p-hdmiphy-y += hdmiphy_drv.o
+obj-$(CONFIG_VIDEO_SAMSUNG_S5P_SII9234) += s5p-sii9234.o
+s5p-sii9234-y += sii9234_drv.o
+obj-$(CONFIG_VIDEO_SAMSUNG_S5P_HDMI) += s5p-hdmi.o
+s5p-hdmi-y += hdmi_drv.o
+obj-$(CONFIG_VIDEO_SAMSUNG_S5P_SDO) += s5p-sdo.o
+s5p-sdo-y += sdo_drv.o
+obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MIXER) += s5p-mixer.o
+s5p-mixer-y += mixer_drv.o mixer_video.o mixer_reg.o mixer_grp_layer.o mixer_vp_layer.o
+
diff --git a/drivers/media/platform/s5p-tv/hdmi_drv.c b/drivers/media/platform/s5p-tv/hdmi_drv.c
new file mode 100644
index 000000000000..8a9cf43018f6
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/hdmi_drv.c
@@ -0,0 +1,1009 @@
+/*
+ * Samsung HDMI interface driver
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *
+ * Tomasz Stanislawski, <t.stanislaws@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundiation. either version 2 of the License,
+ * or (at your option) any later version
+ */
+
+#define pr_fmt(fmt) "s5p-tv (hdmi_drv): " fmt
+
+#ifdef CONFIG_VIDEO_SAMSUNG_S5P_HDMI_DEBUG
+#define DEBUG
+#endif
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <media/v4l2-subdev.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/delay.h>
+#include <linux/bug.h>
+#include <linux/pm_runtime.h>
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+
+#include <media/s5p_hdmi.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-dev.h>
+#include <media/v4l2-device.h>
+
+#include "regs-hdmi.h"
+
+MODULE_AUTHOR("Tomasz Stanislawski, <t.stanislaws@samsung.com>");
+MODULE_DESCRIPTION("Samsung HDMI");
+MODULE_LICENSE("GPL");
+
+/* default preset configured on probe */
+#define HDMI_DEFAULT_PRESET V4L2_DV_480P59_94
+
+struct hdmi_pulse {
+	u32 beg;
+	u32 end;
+};
+
+struct hdmi_timings {
+	struct hdmi_pulse hact;
+	u32 hsyn_pol; /* 0 - high, 1 - low */
+	struct hdmi_pulse hsyn;
+	u32 interlaced;
+	struct hdmi_pulse vact[2];
+	u32 vsyn_pol; /* 0 - high, 1 - low */
+	u32 vsyn_off;
+	struct hdmi_pulse vsyn[2];
+};
+
+struct hdmi_resources {
+	struct clk *hdmi;
+	struct clk *sclk_hdmi;
+	struct clk *sclk_pixel;
+	struct clk *sclk_hdmiphy;
+	struct clk *hdmiphy;
+	struct regulator_bulk_data *regul_bulk;
+	int regul_count;
+};
+
+struct hdmi_device {
+	/** base address of HDMI registers */
+	void __iomem *regs;
+	/** HDMI interrupt */
+	unsigned int irq;
+	/** pointer to device parent */
+	struct device *dev;
+	/** subdev generated by HDMI device */
+	struct v4l2_subdev sd;
+	/** V4L2 device structure */
+	struct v4l2_device v4l2_dev;
+	/** subdev of HDMIPHY interface */
+	struct v4l2_subdev *phy_sd;
+	/** subdev of MHL interface */
+	struct v4l2_subdev *mhl_sd;
+	/** configuration of current graphic mode */
+	const struct hdmi_timings *cur_conf;
+	/** flag indicating that timings are dirty */
+	int cur_conf_dirty;
+	/** current preset */
+	u32 cur_preset;
+	/** other resources */
+	struct hdmi_resources res;
+};
+
+static struct platform_device_id hdmi_driver_types[] = {
+	{
+		.name		= "s5pv210-hdmi",
+	}, {
+		.name		= "exynos4-hdmi",
+	}, {
+		/* end node */
+	}
+};
+
+static const struct v4l2_subdev_ops hdmi_sd_ops;
+
+static struct hdmi_device *sd_to_hdmi_dev(struct v4l2_subdev *sd)
+{
+	return container_of(sd, struct hdmi_device, sd);
+}
+
+static inline
+void hdmi_write(struct hdmi_device *hdev, u32 reg_id, u32 value)
+{
+	writel(value, hdev->regs + reg_id);
+}
+
+static inline
+void hdmi_write_mask(struct hdmi_device *hdev, u32 reg_id, u32 value, u32 mask)
+{
+	u32 old = readl(hdev->regs + reg_id);
+	value = (value & mask) | (old & ~mask);
+	writel(value, hdev->regs + reg_id);
+}
+
+static inline
+void hdmi_writeb(struct hdmi_device *hdev, u32 reg_id, u8 value)
+{
+	writeb(value, hdev->regs + reg_id);
+}
+
+static inline
+void hdmi_writebn(struct hdmi_device *hdev, u32 reg_id, int n, u32 value)
+{
+	switch (n) {
+	default:
+		writeb(value >> 24, hdev->regs + reg_id + 12);
+	case 3:
+		writeb(value >> 16, hdev->regs + reg_id + 8);
+	case 2:
+		writeb(value >>  8, hdev->regs + reg_id + 4);
+	case 1:
+		writeb(value >>  0, hdev->regs + reg_id + 0);
+	}
+}
+
+static inline u32 hdmi_read(struct hdmi_device *hdev, u32 reg_id)
+{
+	return readl(hdev->regs + reg_id);
+}
+
+static irqreturn_t hdmi_irq_handler(int irq, void *dev_data)
+{
+	struct hdmi_device *hdev = dev_data;
+	u32 intc_flag;
+
+	(void)irq;
+	intc_flag = hdmi_read(hdev, HDMI_INTC_FLAG);
+	/* clearing flags for HPD plug/unplug */
+	if (intc_flag & HDMI_INTC_FLAG_HPD_UNPLUG) {
+		pr_info("unplugged\n");
+		hdmi_write_mask(hdev, HDMI_INTC_FLAG, ~0,
+			HDMI_INTC_FLAG_HPD_UNPLUG);
+	}
+	if (intc_flag & HDMI_INTC_FLAG_HPD_PLUG) {
+		pr_info("plugged\n");
+		hdmi_write_mask(hdev, HDMI_INTC_FLAG, ~0,
+			HDMI_INTC_FLAG_HPD_PLUG);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static void hdmi_reg_init(struct hdmi_device *hdev)
+{
+	/* enable HPD interrupts */
+	hdmi_write_mask(hdev, HDMI_INTC_CON, ~0, HDMI_INTC_EN_GLOBAL |
+		HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
+	/* choose DVI mode */
+	hdmi_write_mask(hdev, HDMI_MODE_SEL,
+		HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
+	hdmi_write_mask(hdev, HDMI_CON_2, ~0,
+		HDMI_DVI_PERAMBLE_EN | HDMI_DVI_BAND_EN);
+	/* disable bluescreen */
+	hdmi_write_mask(hdev, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
+	/* choose bluescreen (fecal) color */
+	hdmi_writeb(hdev, HDMI_BLUE_SCREEN_0, 0x12);
+	hdmi_writeb(hdev, HDMI_BLUE_SCREEN_1, 0x34);
+	hdmi_writeb(hdev, HDMI_BLUE_SCREEN_2, 0x56);
+}
+
+static void hdmi_timing_apply(struct hdmi_device *hdev,
+	const struct hdmi_timings *t)
+{
+	/* setting core registers */
+	hdmi_writebn(hdev, HDMI_H_BLANK_0, 2, t->hact.beg);
+	hdmi_writebn(hdev, HDMI_H_SYNC_GEN_0, 3,
+		(t->hsyn_pol << 20) | (t->hsyn.end << 10) | t->hsyn.beg);
+	hdmi_writeb(hdev, HDMI_VSYNC_POL, t->vsyn_pol);
+	hdmi_writebn(hdev, HDMI_V_BLANK_0, 3,
+		(t->vact[0].beg << 11) | t->vact[0].end);
+	hdmi_writebn(hdev, HDMI_V_SYNC_GEN_1_0, 3,
+		(t->vsyn[0].beg << 12) | t->vsyn[0].end);
+	if (t->interlaced) {
+		u32 vsyn_trans = t->hsyn.beg + t->vsyn_off;
+
+		hdmi_writeb(hdev, HDMI_INT_PRO_MODE, 1);
+		hdmi_writebn(hdev, HDMI_H_V_LINE_0, 3,
+			(t->hact.end << 12) | t->vact[1].end);
+		hdmi_writebn(hdev, HDMI_V_BLANK_F_0, 3,
+			(t->vact[1].end << 11) | t->vact[1].beg);
+		hdmi_writebn(hdev, HDMI_V_SYNC_GEN_2_0, 3,
+			(t->vsyn[1].beg << 12) | t->vsyn[1].end);
+		hdmi_writebn(hdev, HDMI_V_SYNC_GEN_3_0, 3,
+			(vsyn_trans << 12) | vsyn_trans);
+	} else {
+		hdmi_writeb(hdev, HDMI_INT_PRO_MODE, 0);
+		hdmi_writebn(hdev, HDMI_H_V_LINE_0, 3,
+			(t->hact.end << 12) | t->vact[0].end);
+	}
+
+	/* Timing generator registers */
+	hdmi_writebn(hdev, HDMI_TG_H_FSZ_L, 2, t->hact.end);
+	hdmi_writebn(hdev, HDMI_TG_HACT_ST_L, 2, t->hact.beg);
+	hdmi_writebn(hdev, HDMI_TG_HACT_SZ_L, 2, t->hact.end - t->hact.beg);
+	hdmi_writebn(hdev, HDMI_TG_VSYNC_L, 2, t->vsyn[0].beg);
+	hdmi_writebn(hdev, HDMI_TG_VACT_ST_L, 2, t->vact[0].beg);
+	hdmi_writebn(hdev, HDMI_TG_VACT_SZ_L, 2,
+		t->vact[0].end - t->vact[0].beg);
+	hdmi_writebn(hdev, HDMI_TG_VSYNC_TOP_HDMI_L, 2, t->vsyn[0].beg);
+	hdmi_writebn(hdev, HDMI_TG_FIELD_TOP_HDMI_L, 2, t->vsyn[0].beg);
+	if (t->interlaced) {
+		hdmi_write_mask(hdev, HDMI_TG_CMD, ~0, HDMI_TG_FIELD_EN);
+		hdmi_writebn(hdev, HDMI_TG_V_FSZ_L, 2, t->vact[1].end);
+		hdmi_writebn(hdev, HDMI_TG_VSYNC2_L, 2, t->vsyn[1].beg);
+		hdmi_writebn(hdev, HDMI_TG_FIELD_CHG_L, 2, t->vact[0].end);
+		hdmi_writebn(hdev, HDMI_TG_VACT_ST2_L, 2, t->vact[1].beg);
+		hdmi_writebn(hdev, HDMI_TG_VSYNC_BOT_HDMI_L, 2, t->vsyn[1].beg);
+		hdmi_writebn(hdev, HDMI_TG_FIELD_BOT_HDMI_L, 2, t->vsyn[1].beg);
+	} else {
+		hdmi_write_mask(hdev, HDMI_TG_CMD, 0, HDMI_TG_FIELD_EN);
+		hdmi_writebn(hdev, HDMI_TG_V_FSZ_L, 2, t->vact[0].end);
+	}
+}
+
+static int hdmi_conf_apply(struct hdmi_device *hdmi_dev)
+{
+	struct device *dev = hdmi_dev->dev;
+	const struct hdmi_timings *conf = hdmi_dev->cur_conf;
+	struct v4l2_dv_preset preset;
+	int ret;
+
+	dev_dbg(dev, "%s\n", __func__);
+
+	/* skip if conf is already synchronized with HW */
+	if (!hdmi_dev->cur_conf_dirty)
+		return 0;
+
+	/* reset hdmiphy */
+	hdmi_write_mask(hdmi_dev, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT);
+	mdelay(10);
+	hdmi_write_mask(hdmi_dev, HDMI_PHY_RSTOUT,  0, HDMI_PHY_SW_RSTOUT);
+	mdelay(10);
+
+	/* configure presets */
+	preset.preset = hdmi_dev->cur_preset;
+	ret = v4l2_subdev_call(hdmi_dev->phy_sd, video, s_dv_preset, &preset);
+	if (ret) {
+		dev_err(dev, "failed to set preset (%u)\n", preset.preset);
+		return ret;
+	}
+
+	/* resetting HDMI core */
+	hdmi_write_mask(hdmi_dev, HDMI_CORE_RSTOUT,  0, HDMI_CORE_SW_RSTOUT);
+	mdelay(10);
+	hdmi_write_mask(hdmi_dev, HDMI_CORE_RSTOUT, ~0, HDMI_CORE_SW_RSTOUT);
+	mdelay(10);
+
+	hdmi_reg_init(hdmi_dev);
+
+	/* setting core registers */
+	hdmi_timing_apply(hdmi_dev, conf);
+
+	hdmi_dev->cur_conf_dirty = 0;
+
+	return 0;
+}
+
+static void hdmi_dumpregs(struct hdmi_device *hdev, char *prefix)
+{
+#define DUMPREG(reg_id) \
+	dev_dbg(hdev->dev, "%s:" #reg_id " = %08x\n", prefix, \
+		readl(hdev->regs + reg_id))
+
+	dev_dbg(hdev->dev, "%s: ---- CONTROL REGISTERS ----\n", prefix);
+	DUMPREG(HDMI_INTC_FLAG);
+	DUMPREG(HDMI_INTC_CON);
+	DUMPREG(HDMI_HPD_STATUS);
+	DUMPREG(HDMI_PHY_RSTOUT);
+	DUMPREG(HDMI_PHY_VPLL);
+	DUMPREG(HDMI_PHY_CMU);
+	DUMPREG(HDMI_CORE_RSTOUT);
+
+	dev_dbg(hdev->dev, "%s: ---- CORE REGISTERS ----\n", prefix);
+	DUMPREG(HDMI_CON_0);
+	DUMPREG(HDMI_CON_1);
+	DUMPREG(HDMI_CON_2);
+	DUMPREG(HDMI_SYS_STATUS);
+	DUMPREG(HDMI_PHY_STATUS);
+	DUMPREG(HDMI_STATUS_EN);
+	DUMPREG(HDMI_HPD);
+	DUMPREG(HDMI_MODE_SEL);
+	DUMPREG(HDMI_HPD_GEN);
+	DUMPREG(HDMI_DC_CONTROL);
+	DUMPREG(HDMI_VIDEO_PATTERN_GEN);
+
+	dev_dbg(hdev->dev, "%s: ---- CORE SYNC REGISTERS ----\n", prefix);
+	DUMPREG(HDMI_H_BLANK_0);
+	DUMPREG(HDMI_H_BLANK_1);
+	DUMPREG(HDMI_V_BLANK_0);
+	DUMPREG(HDMI_V_BLANK_1);
+	DUMPREG(HDMI_V_BLANK_2);
+	DUMPREG(HDMI_H_V_LINE_0);
+	DUMPREG(HDMI_H_V_LINE_1);
+	DUMPREG(HDMI_H_V_LINE_2);
+	DUMPREG(HDMI_VSYNC_POL);
+	DUMPREG(HDMI_INT_PRO_MODE);
+	DUMPREG(HDMI_V_BLANK_F_0);
+	DUMPREG(HDMI_V_BLANK_F_1);
+	DUMPREG(HDMI_V_BLANK_F_2);
+	DUMPREG(HDMI_H_SYNC_GEN_0);
+	DUMPREG(HDMI_H_SYNC_GEN_1);
+	DUMPREG(HDMI_H_SYNC_GEN_2);
+	DUMPREG(HDMI_V_SYNC_GEN_1_0);
+	DUMPREG(HDMI_V_SYNC_GEN_1_1);
+	DUMPREG(HDMI_V_SYNC_GEN_1_2);
+	DUMPREG(HDMI_V_SYNC_GEN_2_0);
+	DUMPREG(HDMI_V_SYNC_GEN_2_1);
+	DUMPREG(HDMI_V_SYNC_GEN_2_2);
+	DUMPREG(HDMI_V_SYNC_GEN_3_0);
+	DUMPREG(HDMI_V_SYNC_GEN_3_1);
+	DUMPREG(HDMI_V_SYNC_GEN_3_2);
+
+	dev_dbg(hdev->dev, "%s: ---- TG REGISTERS ----\n", prefix);
+	DUMPREG(HDMI_TG_CMD);
+	DUMPREG(HDMI_TG_H_FSZ_L);
+	DUMPREG(HDMI_TG_H_FSZ_H);
+	DUMPREG(HDMI_TG_HACT_ST_L);
+	DUMPREG(HDMI_TG_HACT_ST_H);
+	DUMPREG(HDMI_TG_HACT_SZ_L);
+	DUMPREG(HDMI_TG_HACT_SZ_H);
+	DUMPREG(HDMI_TG_V_FSZ_L);
+	DUMPREG(HDMI_TG_V_FSZ_H);
+	DUMPREG(HDMI_TG_VSYNC_L);
+	DUMPREG(HDMI_TG_VSYNC_H);
+	DUMPREG(HDMI_TG_VSYNC2_L);
+	DUMPREG(HDMI_TG_VSYNC2_H);
+	DUMPREG(HDMI_TG_VACT_ST_L);
+	DUMPREG(HDMI_TG_VACT_ST_H);
+	DUMPREG(HDMI_TG_VACT_SZ_L);
+	DUMPREG(HDMI_TG_VACT_SZ_H);
+	DUMPREG(HDMI_TG_FIELD_CHG_L);
+	DUMPREG(HDMI_TG_FIELD_CHG_H);
+	DUMPREG(HDMI_TG_VACT_ST2_L);
+	DUMPREG(HDMI_TG_VACT_ST2_H);
+	DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L);
+	DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H);
+	DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L);
+	DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H);
+	DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L);
+	DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H);
+	DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L);
+	DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H);
+#undef DUMPREG
+}
+
+static const struct hdmi_timings hdmi_timings_480p = {
+	.hact = { .beg = 138, .end = 858 },
+	.hsyn_pol = 1,
+	.hsyn = { .beg = 16, .end = 16 + 62 },
+	.interlaced = 0,
+	.vact[0] = { .beg = 42 + 3, .end = 522 + 3 },
+	.vsyn_pol = 1,
+	.vsyn[0] = { .beg = 6 + 3, .end = 12 + 3},
+};
+
+static const struct hdmi_timings hdmi_timings_576p50 = {
+	.hact = { .beg = 144, .end = 864 },
+	.hsyn_pol = 1,
+	.hsyn = { .beg = 12, .end = 12 + 64 },
+	.interlaced = 0,
+	.vact[0] = { .beg = 44 + 5, .end = 620 + 5 },
+	.vsyn_pol = 1,
+	.vsyn[0] = { .beg = 0 + 5, .end = 5 + 5},
+};
+
+static const struct hdmi_timings hdmi_timings_720p60 = {
+	.hact = { .beg = 370, .end = 1650 },
+	.hsyn_pol = 0,
+	.hsyn = { .beg = 110, .end = 110 + 40 },
+	.interlaced = 0,
+	.vact[0] = { .beg = 25 + 5, .end = 745 + 5 },
+	.vsyn_pol = 0,
+	.vsyn[0] = { .beg = 0 + 5, .end = 5 + 5},
+};
+
+static const struct hdmi_timings hdmi_timings_720p50 = {
+	.hact = { .beg = 700, .end = 1980 },
+	.hsyn_pol = 0,
+	.hsyn = { .beg = 440, .end = 440 + 40 },
+	.interlaced = 0,
+	.vact[0] = { .beg = 25 + 5, .end = 745 + 5 },
+	.vsyn_pol = 0,
+	.vsyn[0] = { .beg = 0 + 5, .end = 5 + 5},
+};
+
+static const struct hdmi_timings hdmi_timings_1080p24 = {
+	.hact = { .beg = 830, .end = 2750 },
+	.hsyn_pol = 0,
+	.hsyn = { .beg = 638, .end = 638 + 44 },
+	.interlaced = 0,
+	.vact[0] = { .beg = 41 + 4, .end = 1121 + 4 },
+	.vsyn_pol = 0,
+	.vsyn[0] = { .beg = 0 + 4, .end = 5 + 4},
+};
+
+static const struct hdmi_timings hdmi_timings_1080p60 = {
+	.hact = { .beg = 280, .end = 2200 },
+	.hsyn_pol = 0,
+	.hsyn = { .beg = 88, .end = 88 + 44 },
+	.interlaced = 0,
+	.vact[0] = { .beg = 41 + 4, .end = 1121 + 4 },
+	.vsyn_pol = 0,
+	.vsyn[0] = { .beg = 0 + 4, .end = 5 + 4},
+};
+
+static const struct hdmi_timings hdmi_timings_1080i60 = {
+	.hact = { .beg = 280, .end = 2200 },
+	.hsyn_pol = 0,
+	.hsyn = { .beg = 88, .end = 88 + 44 },
+	.interlaced = 1,
+	.vact[0] = { .beg = 20 + 2, .end = 560 + 2 },
+	.vact[1] = { .beg = 583 + 2, .end = 1123 + 2 },
+	.vsyn_pol = 0,
+	.vsyn_off = 1100,
+	.vsyn[0] = { .beg = 0 + 2, .end = 5 + 2},
+	.vsyn[1] = { .beg = 562 + 2, .end = 567 + 2},
+};
+
+static const struct hdmi_timings hdmi_timings_1080i50 = {
+	.hact = { .beg = 720, .end = 2640 },
+	.hsyn_pol = 0,
+	.hsyn = { .beg = 528, .end = 528 + 44 },
+	.interlaced = 1,
+	.vact[0] = { .beg = 20 + 2, .end = 560 + 2 },
+	.vact[1] = { .beg = 583 + 2, .end = 1123 + 2 },
+	.vsyn_pol = 0,
+	.vsyn_off = 1320,
+	.vsyn[0] = { .beg = 0 + 2, .end = 5 + 2},
+	.vsyn[1] = { .beg = 562 + 2, .end = 567 + 2},
+};
+
+static const struct hdmi_timings hdmi_timings_1080p50 = {
+	.hact = { .beg = 720, .end = 2640 },
+	.hsyn_pol = 0,
+	.hsyn = { .beg = 528, .end = 528 + 44 },
+	.interlaced = 0,
+	.vact[0] = { .beg = 41 + 4, .end = 1121 + 4 },
+	.vsyn_pol = 0,
+	.vsyn[0] = { .beg = 0 + 4, .end = 5 + 4},
+};
+
+static const struct {
+	u32 preset;
+	const struct hdmi_timings *timings;
+} hdmi_timings[] = {
+	{ V4L2_DV_480P59_94, &hdmi_timings_480p },
+	{ V4L2_DV_576P50, &hdmi_timings_576p50 },
+	{ V4L2_DV_720P50, &hdmi_timings_720p50 },
+	{ V4L2_DV_720P59_94, &hdmi_timings_720p60 },
+	{ V4L2_DV_720P60, &hdmi_timings_720p60 },
+	{ V4L2_DV_1080P24, &hdmi_timings_1080p24 },
+	{ V4L2_DV_1080P30, &hdmi_timings_1080p60 },
+	{ V4L2_DV_1080P50, &hdmi_timings_1080p50 },
+	{ V4L2_DV_1080I50, &hdmi_timings_1080i50 },
+	{ V4L2_DV_1080I60, &hdmi_timings_1080i60 },
+	{ V4L2_DV_1080P60, &hdmi_timings_1080p60 },
+};
+
+static const struct hdmi_timings *hdmi_preset2timings(u32 preset)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(hdmi_timings); ++i)
+		if (hdmi_timings[i].preset == preset)
+			return  hdmi_timings[i].timings;
+	return NULL;
+}
+
+static int hdmi_streamon(struct hdmi_device *hdev)
+{
+	struct device *dev = hdev->dev;
+	struct hdmi_resources *res = &hdev->res;
+	int ret, tries;
+
+	dev_dbg(dev, "%s\n", __func__);
+
+	ret = hdmi_conf_apply(hdev);
+	if (ret)
+		return ret;
+
+	ret = v4l2_subdev_call(hdev->phy_sd, video, s_stream, 1);
+	if (ret)
+		return ret;
+
+	/* waiting for HDMIPHY's PLL to get to steady state */
+	for (tries = 100; tries; --tries) {
+		u32 val = hdmi_read(hdev, HDMI_PHY_STATUS);
+		if (val & HDMI_PHY_STATUS_READY)
+			break;
+		mdelay(1);
+	}
+	/* steady state not achieved */
+	if (tries == 0) {
+		dev_err(dev, "hdmiphy's pll could not reach steady state.\n");
+		v4l2_subdev_call(hdev->phy_sd, video, s_stream, 0);
+		hdmi_dumpregs(hdev, "hdmiphy - s_stream");
+		return -EIO;
+	}
+
+	/* starting MHL */
+	ret = v4l2_subdev_call(hdev->mhl_sd, video, s_stream, 1);
+	if (hdev->mhl_sd && ret) {
+		v4l2_subdev_call(hdev->phy_sd, video, s_stream, 0);
+		hdmi_dumpregs(hdev, "mhl - s_stream");
+		return -EIO;
+	}
+
+	/* hdmiphy clock is used for HDMI in streaming mode */
+	clk_disable(res->sclk_hdmi);
+	clk_set_parent(res->sclk_hdmi, res->sclk_hdmiphy);
+	clk_enable(res->sclk_hdmi);
+
+	/* enable HDMI and timing generator */
+	hdmi_write_mask(hdev, HDMI_CON_0, ~0, HDMI_EN);
+	hdmi_write_mask(hdev, HDMI_TG_CMD, ~0, HDMI_TG_EN);
+	hdmi_dumpregs(hdev, "streamon");
+	return 0;
+}
+
+static int hdmi_streamoff(struct hdmi_device *hdev)
+{
+	struct device *dev = hdev->dev;
+	struct hdmi_resources *res = &hdev->res;
+
+	dev_dbg(dev, "%s\n", __func__);
+
+	hdmi_write_mask(hdev, HDMI_CON_0, 0, HDMI_EN);
+	hdmi_write_mask(hdev, HDMI_TG_CMD, 0, HDMI_TG_EN);
+
+	/* pixel(vpll) clock is used for HDMI in config mode */
+	clk_disable(res->sclk_hdmi);
+	clk_set_parent(res->sclk_hdmi, res->sclk_pixel);
+	clk_enable(res->sclk_hdmi);
+
+	v4l2_subdev_call(hdev->mhl_sd, video, s_stream, 0);
+	v4l2_subdev_call(hdev->phy_sd, video, s_stream, 0);
+
+	hdmi_dumpregs(hdev, "streamoff");
+	return 0;
+}
+
+static int hdmi_s_stream(struct v4l2_subdev *sd, int enable)
+{
+	struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
+	struct device *dev = hdev->dev;
+
+	dev_dbg(dev, "%s(%d)\n", __func__, enable);
+	if (enable)
+		return hdmi_streamon(hdev);
+	return hdmi_streamoff(hdev);
+}
+
+static void hdmi_resource_poweron(struct hdmi_resources *res)
+{
+	/* turn HDMI power on */
+	regulator_bulk_enable(res->regul_count, res->regul_bulk);
+	/* power-on hdmi physical interface */
+	clk_enable(res->hdmiphy);
+	/* use VPP as parent clock; HDMIPHY is not working yet */
+	clk_set_parent(res->sclk_hdmi, res->sclk_pixel);
+	/* turn clocks on */
+	clk_enable(res->sclk_hdmi);
+}
+
+static void hdmi_resource_poweroff(struct hdmi_resources *res)
+{
+	/* turn clocks off */
+	clk_disable(res->sclk_hdmi);
+	/* power-off hdmiphy */
+	clk_disable(res->hdmiphy);
+	/* turn HDMI power off */
+	regulator_bulk_disable(res->regul_count, res->regul_bulk);
+}
+
+static int hdmi_s_power(struct v4l2_subdev *sd, int on)
+{
+	struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
+	int ret;
+
+	if (on)
+		ret = pm_runtime_get_sync(hdev->dev);
+	else
+		ret = pm_runtime_put_sync(hdev->dev);
+	/* only values < 0 indicate errors */
+	return IS_ERR_VALUE(ret) ? ret : 0;
+}
+
+static int hdmi_s_dv_preset(struct v4l2_subdev *sd,
+	struct v4l2_dv_preset *preset)
+{
+	struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
+	struct device *dev = hdev->dev;
+	const struct hdmi_timings *conf;
+
+	conf = hdmi_preset2timings(preset->preset);
+	if (conf == NULL) {
+		dev_err(dev, "preset (%u) not supported\n", preset->preset);
+		return -EINVAL;
+	}
+	hdev->cur_conf = conf;
+	hdev->cur_conf_dirty = 1;
+	hdev->cur_preset = preset->preset;
+	return 0;
+}
+
+static int hdmi_g_dv_preset(struct v4l2_subdev *sd,
+	struct v4l2_dv_preset *preset)
+{
+	memset(preset, 0, sizeof(*preset));
+	preset->preset = sd_to_hdmi_dev(sd)->cur_preset;
+	return 0;
+}
+
+static int hdmi_g_mbus_fmt(struct v4l2_subdev *sd,
+	  struct v4l2_mbus_framefmt *fmt)
+{
+	struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
+	const struct hdmi_timings *t = hdev->cur_conf;
+
+	dev_dbg(hdev->dev, "%s\n", __func__);
+	if (!hdev->cur_conf)
+		return -EINVAL;
+	memset(fmt, 0, sizeof *fmt);
+	fmt->width = t->hact.end - t->hact.beg;
+	fmt->height = t->vact[0].end - t->vact[0].beg;
+	fmt->code = V4L2_MBUS_FMT_FIXED; /* means RGB888 */
+	fmt->colorspace = V4L2_COLORSPACE_SRGB;
+	if (t->interlaced) {
+		fmt->field = V4L2_FIELD_INTERLACED;
+		fmt->height *= 2;
+	} else {
+		fmt->field = V4L2_FIELD_NONE;
+	}
+	return 0;
+}
+
+static int hdmi_enum_dv_presets(struct v4l2_subdev *sd,
+	struct v4l2_dv_enum_preset *preset)
+{
+	if (preset->index >= ARRAY_SIZE(hdmi_timings))
+		return -EINVAL;
+	return v4l_fill_dv_preset_info(hdmi_timings[preset->index].preset,
+		preset);
+}
+
+static const struct v4l2_subdev_core_ops hdmi_sd_core_ops = {
+	.s_power = hdmi_s_power,
+};
+
+static const struct v4l2_subdev_video_ops hdmi_sd_video_ops = {
+	.s_dv_preset = hdmi_s_dv_preset,
+	.g_dv_preset = hdmi_g_dv_preset,
+	.enum_dv_presets = hdmi_enum_dv_presets,
+	.g_mbus_fmt = hdmi_g_mbus_fmt,
+	.s_stream = hdmi_s_stream,
+};
+
+static const struct v4l2_subdev_ops hdmi_sd_ops = {
+	.core = &hdmi_sd_core_ops,
+	.video = &hdmi_sd_video_ops,
+};
+
+static int hdmi_runtime_suspend(struct device *dev)
+{
+	struct v4l2_subdev *sd = dev_get_drvdata(dev);
+	struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
+
+	dev_dbg(dev, "%s\n", __func__);
+	v4l2_subdev_call(hdev->mhl_sd, core, s_power, 0);
+	hdmi_resource_poweroff(&hdev->res);
+	/* flag that device context is lost */
+	hdev->cur_conf_dirty = 1;
+	return 0;
+}
+
+static int hdmi_runtime_resume(struct device *dev)
+{
+	struct v4l2_subdev *sd = dev_get_drvdata(dev);
+	struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
+	int ret = 0;
+
+	dev_dbg(dev, "%s\n", __func__);
+
+	hdmi_resource_poweron(&hdev->res);
+
+	/* starting MHL */
+	ret = v4l2_subdev_call(hdev->mhl_sd, core, s_power, 1);
+	if (hdev->mhl_sd && ret)
+		goto fail;
+
+	dev_dbg(dev, "poweron succeed\n");
+
+	return 0;
+
+fail:
+	hdmi_resource_poweroff(&hdev->res);
+	dev_err(dev, "poweron failed\n");
+
+	return ret;
+}
+
+static const struct dev_pm_ops hdmi_pm_ops = {
+	.runtime_suspend = hdmi_runtime_suspend,
+	.runtime_resume	 = hdmi_runtime_resume,
+};
+
+static void hdmi_resources_cleanup(struct hdmi_device *hdev)
+{
+	struct hdmi_resources *res = &hdev->res;
+
+	dev_dbg(hdev->dev, "HDMI resource cleanup\n");
+	/* put clocks, power */
+	if (res->regul_count)
+		regulator_bulk_free(res->regul_count, res->regul_bulk);
+	/* kfree is NULL-safe */
+	kfree(res->regul_bulk);
+	if (!IS_ERR_OR_NULL(res->hdmiphy))
+		clk_put(res->hdmiphy);
+	if (!IS_ERR_OR_NULL(res->sclk_hdmiphy))
+		clk_put(res->sclk_hdmiphy);
+	if (!IS_ERR_OR_NULL(res->sclk_pixel))
+		clk_put(res->sclk_pixel);
+	if (!IS_ERR_OR_NULL(res->sclk_hdmi))
+		clk_put(res->sclk_hdmi);
+	if (!IS_ERR_OR_NULL(res->hdmi))
+		clk_put(res->hdmi);
+	memset(res, 0, sizeof *res);
+}
+
+static int hdmi_resources_init(struct hdmi_device *hdev)
+{
+	struct device *dev = hdev->dev;
+	struct hdmi_resources *res = &hdev->res;
+	static char *supply[] = {
+		"hdmi-en",
+		"vdd",
+		"vdd_osc",
+		"vdd_pll",
+	};
+	int i, ret;
+
+	dev_dbg(dev, "HDMI resource init\n");
+
+	memset(res, 0, sizeof *res);
+	/* get clocks, power */
+
+	res->hdmi = clk_get(dev, "hdmi");
+	if (IS_ERR_OR_NULL(res->hdmi)) {
+		dev_err(dev, "failed to get clock 'hdmi'\n");
+		goto fail;
+	}
+	res->sclk_hdmi = clk_get(dev, "sclk_hdmi");
+	if (IS_ERR_OR_NULL(res->sclk_hdmi)) {
+		dev_err(dev, "failed to get clock 'sclk_hdmi'\n");
+		goto fail;
+	}
+	res->sclk_pixel = clk_get(dev, "sclk_pixel");
+	if (IS_ERR_OR_NULL(res->sclk_pixel)) {
+		dev_err(dev, "failed to get clock 'sclk_pixel'\n");
+		goto fail;
+	}
+	res->sclk_hdmiphy = clk_get(dev, "sclk_hdmiphy");
+	if (IS_ERR_OR_NULL(res->sclk_hdmiphy)) {
+		dev_err(dev, "failed to get clock 'sclk_hdmiphy'\n");
+		goto fail;
+	}
+	res->hdmiphy = clk_get(dev, "hdmiphy");
+	if (IS_ERR_OR_NULL(res->hdmiphy)) {
+		dev_err(dev, "failed to get clock 'hdmiphy'\n");
+		goto fail;
+	}
+	res->regul_bulk = kcalloc(ARRAY_SIZE(supply),
+				  sizeof(res->regul_bulk[0]), GFP_KERNEL);
+	if (!res->regul_bulk) {
+		dev_err(dev, "failed to get memory for regulators\n");
+		goto fail;
+	}
+	for (i = 0; i < ARRAY_SIZE(supply); ++i) {
+		res->regul_bulk[i].supply = supply[i];
+		res->regul_bulk[i].consumer = NULL;
+	}
+
+	ret = regulator_bulk_get(dev, ARRAY_SIZE(supply), res->regul_bulk);
+	if (ret) {
+		dev_err(dev, "failed to get regulators\n");
+		goto fail;
+	}
+	res->regul_count = ARRAY_SIZE(supply);
+
+	return 0;
+fail:
+	dev_err(dev, "HDMI resource init - failed\n");
+	hdmi_resources_cleanup(hdev);
+	return -ENODEV;
+}
+
+static int __devinit hdmi_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct resource *res;
+	struct i2c_adapter *adapter;
+	struct v4l2_subdev *sd;
+	struct hdmi_device *hdmi_dev = NULL;
+	struct s5p_hdmi_platform_data *pdata = dev->platform_data;
+	int ret;
+
+	dev_dbg(dev, "probe start\n");
+
+	if (!pdata) {
+		dev_err(dev, "platform data is missing\n");
+		ret = -ENODEV;
+		goto fail;
+	}
+
+	hdmi_dev = devm_kzalloc(&pdev->dev, sizeof(*hdmi_dev), GFP_KERNEL);
+	if (!hdmi_dev) {
+		dev_err(dev, "out of memory\n");
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	hdmi_dev->dev = dev;
+
+	ret = hdmi_resources_init(hdmi_dev);
+	if (ret)
+		goto fail;
+
+	/* mapping HDMI registers */
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res == NULL) {
+		dev_err(dev, "get memory resource failed.\n");
+		ret = -ENXIO;
+		goto fail_init;
+	}
+
+	hdmi_dev->regs = devm_ioremap(&pdev->dev, res->start,
+				      resource_size(res));
+	if (hdmi_dev->regs == NULL) {
+		dev_err(dev, "register mapping failed.\n");
+		ret = -ENXIO;
+		goto fail_init;
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (res == NULL) {
+		dev_err(dev, "get interrupt resource failed.\n");
+		ret = -ENXIO;
+		goto fail_init;
+	}
+
+	ret = devm_request_irq(&pdev->dev, res->start, hdmi_irq_handler, 0,
+			       "hdmi", hdmi_dev);
+	if (ret) {
+		dev_err(dev, "request interrupt failed.\n");
+		goto fail_init;
+	}
+	hdmi_dev->irq = res->start;
+
+	/* setting v4l2 name to prevent WARN_ON in v4l2_device_register */
+	strlcpy(hdmi_dev->v4l2_dev.name, dev_name(dev),
+		sizeof(hdmi_dev->v4l2_dev.name));
+	/* passing NULL owner prevents driver from erasing drvdata */
+	ret = v4l2_device_register(NULL, &hdmi_dev->v4l2_dev);
+	if (ret) {
+		dev_err(dev, "could not register v4l2 device.\n");
+		goto fail_init;
+	}
+
+	/* testing if hdmiphy info is present */
+	if (!pdata->hdmiphy_info) {
+		dev_err(dev, "hdmiphy info is missing in platform data\n");
+		ret = -ENXIO;
+		goto fail_vdev;
+	}
+
+	adapter = i2c_get_adapter(pdata->hdmiphy_bus);
+	if (adapter == NULL) {
+		dev_err(dev, "hdmiphy adapter request failed\n");
+		ret = -ENXIO;
+		goto fail_vdev;
+	}
+
+	hdmi_dev->phy_sd = v4l2_i2c_new_subdev_board(&hdmi_dev->v4l2_dev,
+		adapter, pdata->hdmiphy_info, NULL);
+	/* on failure or not adapter is no longer useful */
+	i2c_put_adapter(adapter);
+	if (hdmi_dev->phy_sd == NULL) {
+		dev_err(dev, "missing subdev for hdmiphy\n");
+		ret = -ENODEV;
+		goto fail_vdev;
+	}
+
+	/* initialization of MHL interface if present */
+	if (pdata->mhl_info) {
+		adapter = i2c_get_adapter(pdata->mhl_bus);
+		if (adapter == NULL) {
+			dev_err(dev, "MHL adapter request failed\n");
+			ret = -ENXIO;
+			goto fail_vdev;
+		}
+
+		hdmi_dev->mhl_sd = v4l2_i2c_new_subdev_board(
+			&hdmi_dev->v4l2_dev, adapter,
+			pdata->mhl_info, NULL);
+		/* on failure or not adapter is no longer useful */
+		i2c_put_adapter(adapter);
+		if (hdmi_dev->mhl_sd == NULL) {
+			dev_err(dev, "missing subdev for MHL\n");
+			ret = -ENODEV;
+			goto fail_vdev;
+		}
+	}
+
+	clk_enable(hdmi_dev->res.hdmi);
+
+	pm_runtime_enable(dev);
+
+	sd = &hdmi_dev->sd;
+	v4l2_subdev_init(sd, &hdmi_sd_ops);
+	sd->owner = THIS_MODULE;
+
+	strlcpy(sd->name, "s5p-hdmi", sizeof sd->name);
+	hdmi_dev->cur_preset = HDMI_DEFAULT_PRESET;
+	/* FIXME: missing fail preset is not supported */
+	hdmi_dev->cur_conf = hdmi_preset2timings(hdmi_dev->cur_preset);
+	hdmi_dev->cur_conf_dirty = 1;
+
+	/* storing subdev for call that have only access to struct device */
+	dev_set_drvdata(dev, sd);
+
+	dev_info(dev, "probe successful\n");
+
+	return 0;
+
+fail_vdev:
+	v4l2_device_unregister(&hdmi_dev->v4l2_dev);
+
+fail_init:
+	hdmi_resources_cleanup(hdmi_dev);
+
+fail:
+	dev_err(dev, "probe failed\n");
+	return ret;
+}
+
+static int __devexit hdmi_remove(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct v4l2_subdev *sd = dev_get_drvdata(dev);
+	struct hdmi_device *hdmi_dev = sd_to_hdmi_dev(sd);
+
+	pm_runtime_disable(dev);
+	clk_disable(hdmi_dev->res.hdmi);
+	v4l2_device_unregister(&hdmi_dev->v4l2_dev);
+	disable_irq(hdmi_dev->irq);
+	hdmi_resources_cleanup(hdmi_dev);
+	dev_info(dev, "remove successful\n");
+
+	return 0;
+}
+
+static struct platform_driver hdmi_driver __refdata = {
+	.probe = hdmi_probe,
+	.remove = __devexit_p(hdmi_remove),
+	.id_table = hdmi_driver_types,
+	.driver = {
+		.name = "s5p-hdmi",
+		.owner = THIS_MODULE,
+		.pm = &hdmi_pm_ops,
+	}
+};
+
+module_platform_driver(hdmi_driver);
diff --git a/drivers/media/platform/s5p-tv/hdmiphy_drv.c b/drivers/media/platform/s5p-tv/hdmiphy_drv.c
new file mode 100644
index 000000000000..f67b38631801
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/hdmiphy_drv.c
@@ -0,0 +1,329 @@
+/*
+ * Samsung HDMI Physical interface driver
+ *
+ * Copyright (C) 2010-2011 Samsung Electronics Co.Ltd
+ * Author: Tomasz Stanislawski <t.stanislaws@samsung.com>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/err.h>
+
+#include <media/v4l2-subdev.h>
+
+MODULE_AUTHOR("Tomasz Stanislawski <t.stanislaws@samsung.com>");
+MODULE_DESCRIPTION("Samsung HDMI Physical interface driver");
+MODULE_LICENSE("GPL");
+
+struct hdmiphy_conf {
+	unsigned long pixclk;
+	const u8 *data;
+};
+
+struct hdmiphy_ctx {
+	struct v4l2_subdev sd;
+	const struct hdmiphy_conf *conf_tab;
+};
+
+static const struct hdmiphy_conf hdmiphy_conf_s5pv210[] = {
+	{ .pixclk = 27000000, .data = (u8 [32]) {
+		0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
+		0x6B, 0x10, 0x02, 0x52, 0xDF, 0xF2, 0x54, 0x87,
+		0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+		0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x00, }
+	},
+	{ .pixclk = 27027000, .data = (u8 [32]) {
+		0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
+		0x6B, 0x10, 0x02, 0x52, 0xDF, 0xF2, 0x54, 0x87,
+		0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+		0x22, 0x40, 0xE2, 0x26, 0x00, 0x00, 0x00, 0x00, }
+	},
+	{ .pixclk = 74176000, .data = (u8 [32]) {
+		0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xEF, 0x5B,
+		0x6D, 0x10, 0x01, 0x52, 0xEF, 0xF3, 0x54, 0xB9,
+		0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+		0x22, 0x40, 0xA5, 0x26, 0x01, 0x00, 0x00, 0x00, }
+	},
+	{ .pixclk = 74250000, .data = (u8 [32]) {
+		0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xF8, 0x40,
+		0x6A, 0x10, 0x01, 0x52, 0xFF, 0xF1, 0x54, 0xBA,
+		0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
+		0x22, 0x40, 0xA4, 0x26, 0x01, 0x00, 0x00, 0x00, }
+	},
+	{ /* end marker */ }
+};
+
+static const struct hdmiphy_conf hdmiphy_conf_exynos4210[] = {
+	{ .pixclk = 27000000, .data = (u8 [32]) {
+		0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
+		0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
+		0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+		0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x00, }
+	},
+	{ .pixclk = 27027000, .data = (u8 [32]) {
+		0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
+		0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
+		0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+		0x22, 0x40, 0xE2, 0x26, 0x00, 0x00, 0x00, 0x00, }
+	},
+	{ .pixclk = 74176000, .data = (u8 [32]) {
+		0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xEF, 0x5B,
+		0x6D, 0x10, 0x01, 0x51, 0xEF, 0xF3, 0x54, 0xB9,
+		0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+		0x22, 0x40, 0xA5, 0x26, 0x01, 0x00, 0x00, 0x00, }
+	},
+	{ .pixclk = 74250000, .data = (u8 [32]) {
+		0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xF8, 0x40,
+		0x6A, 0x10, 0x01, 0x51, 0xFF, 0xF1, 0x54, 0xBA,
+		0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
+		0x22, 0x40, 0xA4, 0x26, 0x01, 0x00, 0x00, 0x00, }
+	},
+	{ .pixclk = 148352000, .data = (u8 [32]) {
+		0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xEF, 0x5B,
+		0x6D, 0x18, 0x00, 0x51, 0xEF, 0xF3, 0x54, 0xB9,
+		0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
+		0x11, 0x40, 0xA5, 0x26, 0x02, 0x00, 0x00, 0x00, }
+	},
+	{ .pixclk = 148500000, .data = (u8 [32]) {
+		0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xF8, 0x40,
+		0x6A, 0x18, 0x00, 0x51, 0xFF, 0xF1, 0x54, 0xBA,
+		0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
+		0x11, 0x40, 0xA4, 0x26, 0x02, 0x00, 0x00, 0x00, }
+	},
+	{ /* end marker */ }
+};
+
+static const struct hdmiphy_conf hdmiphy_conf_exynos4212[] = {
+	{ .pixclk = 27000000, .data = (u8 [32]) {
+		0x01, 0x11, 0x2D, 0x75, 0x00, 0x01, 0x00, 0x08,
+		0x82, 0x00, 0x0E, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
+		0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0x71,
+		0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }
+	},
+	{ .pixclk = 27027000, .data = (u8 [32]) {
+		0x01, 0x91, 0x2D, 0x72, 0x00, 0x64, 0x12, 0x08,
+		0x43, 0x20, 0x0E, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
+		0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0x71,
+		0x54, 0xE2, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }
+	},
+	{ .pixclk = 74176000, .data = (u8 [32]) {
+		0x01, 0x91, 0x3E, 0x35, 0x00, 0x5B, 0xDE, 0x08,
+		0x82, 0x20, 0x73, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
+		0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0x52,
+		0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, }
+	},
+	{ .pixclk = 74250000, .data = (u8 [32]) {
+		0x01, 0x91, 0x3E, 0x35, 0x00, 0x40, 0xF0, 0x08,
+		0x82, 0x20, 0x73, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
+		0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0x52,
+		0x54, 0xA4, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, }
+	},
+	{ .pixclk = 148500000, .data = (u8 [32]) {
+		0x01, 0x91, 0x3E, 0x15, 0x00, 0x40, 0xF0, 0x08,
+		0x82, 0x20, 0x73, 0xD9, 0x45, 0xA0, 0x34, 0xC0,
+		0x0B, 0x80, 0x12, 0x87, 0x08, 0x24, 0x24, 0xA4,
+		0x54, 0x4A, 0x25, 0x03, 0x00, 0x00, 0x01, 0x00, }
+	},
+	{ /* end marker */ }
+};
+
+static const struct hdmiphy_conf hdmiphy_conf_exynos4412[] = {
+	{ .pixclk = 27000000, .data = (u8 [32]) {
+		0x01, 0x11, 0x2D, 0x75, 0x40, 0x01, 0x00, 0x08,
+		0x82, 0x00, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+		0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
+		0x54, 0xE4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }
+	},
+	{ .pixclk = 27027000, .data = (u8 [32]) {
+		0x01, 0x91, 0x2D, 0x72, 0x40, 0x64, 0x12, 0x08,
+		0x43, 0x20, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
+		0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
+		0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, }
+	},
+	{ .pixclk = 74176000, .data = (u8 [32]) {
+		0x01, 0x91, 0x1F, 0x10, 0x40, 0x5B, 0xEF, 0x08,
+		0x81, 0x20, 0xB9, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+		0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
+		0x54, 0xA6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, }
+	},
+	{ .pixclk = 74250000, .data = (u8 [32]) {
+		0x01, 0x91, 0x1F, 0x10, 0x40, 0x40, 0xF8, 0x08,
+		0x81, 0x20, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+		0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
+		0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00, }
+	},
+	{ .pixclk = 148500000, .data = (u8 [32]) {
+		0x01, 0x91, 0x1F, 0x00, 0x40, 0x40, 0xF8, 0x08,
+		0x81, 0x20, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
+		0x08, 0x80, 0x11, 0x84, 0x02, 0x22, 0x44, 0x86,
+		0x54, 0x4B, 0x25, 0x03, 0x00, 0x00, 0x01, 0x00, }
+	},
+	{ /* end marker */ }
+};
+
+static inline struct hdmiphy_ctx *sd_to_ctx(struct v4l2_subdev *sd)
+{
+	return container_of(sd, struct hdmiphy_ctx, sd);
+}
+
+static unsigned long hdmiphy_preset_to_pixclk(u32 preset)
+{
+	static const unsigned long pixclk[] = {
+		[V4L2_DV_480P59_94] =  27000000,
+		[V4L2_DV_576P50]    =  27000000,
+		[V4L2_DV_720P59_94] =  74176000,
+		[V4L2_DV_720P50]    =  74250000,
+		[V4L2_DV_720P60]    =  74250000,
+		[V4L2_DV_1080P24]   =  74250000,
+		[V4L2_DV_1080P30]   =  74250000,
+		[V4L2_DV_1080I50]   =  74250000,
+		[V4L2_DV_1080I60]   =  74250000,
+		[V4L2_DV_1080P50]   = 148500000,
+		[V4L2_DV_1080P60]   = 148500000,
+	};
+	if (preset < ARRAY_SIZE(pixclk))
+		return pixclk[preset];
+	else
+		return 0;
+}
+
+static const u8 *hdmiphy_find_conf(u32 preset, const struct hdmiphy_conf *conf)
+{
+	unsigned long pixclk;
+
+	pixclk = hdmiphy_preset_to_pixclk(preset);
+	if (!pixclk)
+		return NULL;
+
+	for (; conf->pixclk; ++conf)
+		if (conf->pixclk == pixclk)
+			return conf->data;
+	return NULL;
+}
+
+static int hdmiphy_s_power(struct v4l2_subdev *sd, int on)
+{
+	/* to be implemented */
+	return 0;
+}
+
+static int hdmiphy_s_dv_preset(struct v4l2_subdev *sd,
+	struct v4l2_dv_preset *preset)
+{
+	const u8 *data;
+	u8 buffer[32];
+	int ret;
+	struct hdmiphy_ctx *ctx = sd_to_ctx(sd);
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+	struct device *dev = &client->dev;
+
+	dev_info(dev, "s_dv_preset(preset = %d)\n", preset->preset);
+	data = hdmiphy_find_conf(preset->preset, ctx->conf_tab);
+	if (!data) {
+		dev_err(dev, "format not supported\n");
+		return -EINVAL;
+	}
+
+	/* storing configuration to the device */
+	memcpy(buffer, data, 32);
+	ret = i2c_master_send(client, buffer, 32);
+	if (ret != 32) {
+		dev_err(dev, "failed to configure HDMIPHY via I2C\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static int hdmiphy_s_stream(struct v4l2_subdev *sd, int enable)
+{
+	struct i2c_client *client = v4l2_get_subdevdata(sd);
+	struct device *dev = &client->dev;
+	u8 buffer[2];
+	int ret;
+
+	dev_info(dev, "s_stream(%d)\n", enable);
+	/* going to/from configuration from/to operation mode */
+	buffer[0] = 0x1f;
+	buffer[1] = enable ? 0x80 : 0x00;
+
+	ret = i2c_master_send(client, buffer, 2);
+	if (ret != 2) {
+		dev_err(dev, "stream (%d) failed\n", enable);
+		return -EIO;
+	}
+	return 0;
+}
+
+static const struct v4l2_subdev_core_ops hdmiphy_core_ops = {
+	.s_power =  hdmiphy_s_power,
+};
+
+static const struct v4l2_subdev_video_ops hdmiphy_video_ops = {
+	.s_dv_preset = hdmiphy_s_dv_preset,
+	.s_stream =  hdmiphy_s_stream,
+};
+
+static const struct v4l2_subdev_ops hdmiphy_ops = {
+	.core = &hdmiphy_core_ops,
+	.video = &hdmiphy_video_ops,
+};
+
+static int __devinit hdmiphy_probe(struct i2c_client *client,
+	const struct i2c_device_id *id)
+{
+	struct hdmiphy_ctx *ctx;
+
+	ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	ctx->conf_tab = (struct hdmiphy_conf *)id->driver_data;
+	v4l2_i2c_subdev_init(&ctx->sd, client, &hdmiphy_ops);
+
+	dev_info(&client->dev, "probe successful\n");
+	return 0;
+}
+
+static int __devexit hdmiphy_remove(struct i2c_client *client)
+{
+	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+	struct hdmiphy_ctx *ctx = sd_to_ctx(sd);
+
+	kfree(ctx);
+	dev_info(&client->dev, "remove successful\n");
+
+	return 0;
+}
+
+static const struct i2c_device_id hdmiphy_id[] = {
+	{ "hdmiphy", (unsigned long)hdmiphy_conf_exynos4210 },
+	{ "hdmiphy-s5pv210", (unsigned long)hdmiphy_conf_s5pv210 },
+	{ "hdmiphy-exynos4210", (unsigned long)hdmiphy_conf_exynos4210 },
+	{ "hdmiphy-exynos4212", (unsigned long)hdmiphy_conf_exynos4212 },
+	{ "hdmiphy-exynos4412", (unsigned long)hdmiphy_conf_exynos4412 },
+	{ },
+};
+MODULE_DEVICE_TABLE(i2c, hdmiphy_id);
+
+static struct i2c_driver hdmiphy_driver = {
+	.driver = {
+		.name	= "s5p-hdmiphy",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= hdmiphy_probe,
+	.remove		= __devexit_p(hdmiphy_remove),
+	.id_table = hdmiphy_id,
+};
+
+module_i2c_driver(hdmiphy_driver);
diff --git a/drivers/media/platform/s5p-tv/mixer.h b/drivers/media/platform/s5p-tv/mixer.h
new file mode 100644
index 000000000000..ddb422e23550
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/mixer.h
@@ -0,0 +1,365 @@
+/*
+ * Samsung TV Mixer driver
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *
+ * Tomasz Stanislawski, <t.stanislaws@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundiation. either version 2 of the License,
+ * or (at your option) any later version
+ */
+
+#ifndef SAMSUNG_MIXER_H
+#define SAMSUNG_MIXER_H
+
+#ifdef CONFIG_VIDEO_SAMSUNG_S5P_MIXER_DEBUG
+	#define DEBUG
+#endif
+
+#include <linux/fb.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/wait.h>
+#include <media/v4l2-device.h>
+#include <media/videobuf2-core.h>
+
+#include "regs-mixer.h"
+
+/** maximum number of output interfaces */
+#define MXR_MAX_OUTPUTS 2
+/** maximum number of input interfaces (layers) */
+#define MXR_MAX_LAYERS 3
+#define MXR_DRIVER_NAME "s5p-mixer"
+/** maximal number of planes for every layer */
+#define MXR_MAX_PLANES	2
+
+#define MXR_ENABLE 1
+#define MXR_DISABLE 0
+
+/** description of a macroblock for packed formats */
+struct mxr_block {
+	/** vertical number of pixels in macroblock */
+	unsigned int width;
+	/** horizontal number of pixels in macroblock */
+	unsigned int height;
+	/** size of block in bytes */
+	unsigned int size;
+};
+
+/** description of supported format */
+struct mxr_format {
+	/** format name/mnemonic */
+	const char *name;
+	/** fourcc identifier */
+	u32 fourcc;
+	/** colorspace identifier */
+	enum v4l2_colorspace colorspace;
+	/** number of planes in image data */
+	int num_planes;
+	/** description of block for each plane */
+	struct mxr_block plane[MXR_MAX_PLANES];
+	/** number of subframes in image data */
+	int num_subframes;
+	/** specifies to which subframe belong given plane */
+	int plane2subframe[MXR_MAX_PLANES];
+	/** internal code, driver dependant */
+	unsigned long cookie;
+};
+
+/** description of crop configuration for image */
+struct mxr_crop {
+	/** width of layer in pixels */
+	unsigned int full_width;
+	/** height of layer in pixels */
+	unsigned int full_height;
+	/** horizontal offset of first pixel to be displayed */
+	unsigned int x_offset;
+	/** vertical offset of first pixel to be displayed */
+	unsigned int y_offset;
+	/** width of displayed data in pixels */
+	unsigned int width;
+	/** height of displayed data in pixels */
+	unsigned int height;
+	/** indicate which fields are present in buffer */
+	unsigned int field;
+};
+
+/** stages of geometry operations */
+enum mxr_geometry_stage {
+	MXR_GEOMETRY_SINK,
+	MXR_GEOMETRY_COMPOSE,
+	MXR_GEOMETRY_CROP,
+	MXR_GEOMETRY_SOURCE,
+};
+
+/* flag indicating that offset should be 0 */
+#define MXR_NO_OFFSET	0x80000000
+
+/** description of transformation from source to destination image */
+struct mxr_geometry {
+	/** cropping for source image */
+	struct mxr_crop src;
+	/** cropping for destination image */
+	struct mxr_crop dst;
+	/** layer-dependant description of horizontal scaling */
+	unsigned int x_ratio;
+	/** layer-dependant description of vertical scaling */
+	unsigned int y_ratio;
+};
+
+/** instance of a buffer */
+struct mxr_buffer {
+	/** common v4l buffer stuff -- must be first */
+	struct vb2_buffer	vb;
+	/** node for layer's lists */
+	struct list_head	list;
+};
+
+
+/** internal states of layer */
+enum mxr_layer_state {
+	/** layers is not shown */
+	MXR_LAYER_IDLE = 0,
+	/** layer is shown */
+	MXR_LAYER_STREAMING,
+	/** state before STREAMOFF is finished */
+	MXR_LAYER_STREAMING_FINISH,
+};
+
+/** forward declarations */
+struct mxr_device;
+struct mxr_layer;
+
+/** callback for layers operation */
+struct mxr_layer_ops {
+	/* TODO: try to port it to subdev API */
+	/** handler for resource release function */
+	void (*release)(struct mxr_layer *);
+	/** setting buffer to HW */
+	void (*buffer_set)(struct mxr_layer *, struct mxr_buffer *);
+	/** setting format and geometry in HW */
+	void (*format_set)(struct mxr_layer *);
+	/** streaming stop/start */
+	void (*stream_set)(struct mxr_layer *, int);
+	/** adjusting geometry */
+	void (*fix_geometry)(struct mxr_layer *,
+		enum mxr_geometry_stage, unsigned long);
+};
+
+/** layer instance, a single window and content displayed on output */
+struct mxr_layer {
+	/** parent mixer device */
+	struct mxr_device *mdev;
+	/** layer index (unique identifier) */
+	int idx;
+	/** callbacks for layer methods */
+	struct mxr_layer_ops ops;
+	/** format array */
+	const struct mxr_format **fmt_array;
+	/** size of format array */
+	unsigned long fmt_array_size;
+
+	/** lock for protection of list and state fields */
+	spinlock_t enq_slock;
+	/** list for enqueued buffers */
+	struct list_head enq_list;
+	/** buffer currently owned by hardware in temporary registers */
+	struct mxr_buffer *update_buf;
+	/** buffer currently owned by hardware in shadow registers */
+	struct mxr_buffer *shadow_buf;
+	/** state of layer IDLE/STREAMING */
+	enum mxr_layer_state state;
+
+	/** mutex for protection of fields below */
+	struct mutex mutex;
+	/** handler for video node */
+	struct video_device vfd;
+	/** queue for output buffers */
+	struct vb2_queue vb_queue;
+	/** current image format */
+	const struct mxr_format *fmt;
+	/** current geometry of image */
+	struct mxr_geometry geo;
+};
+
+/** description of mixers output interface */
+struct mxr_output {
+	/** name of output */
+	char name[32];
+	/** output subdev */
+	struct v4l2_subdev *sd;
+	/** cookie used for configuration of registers */
+	int cookie;
+};
+
+/** specify source of output subdevs */
+struct mxr_output_conf {
+	/** name of output (connector) */
+	char *output_name;
+	/** name of module that generates output subdev */
+	char *module_name;
+	/** cookie need for mixer HW */
+	int cookie;
+};
+
+struct clk;
+struct regulator;
+
+/** auxiliary resources used my mixer */
+struct mxr_resources {
+	/** interrupt index */
+	int irq;
+	/** pointer to Mixer registers */
+	void __iomem *mxr_regs;
+	/** pointer to Video Processor registers */
+	void __iomem *vp_regs;
+	/** other resources, should used under mxr_device.mutex */
+	struct clk *mixer;
+	struct clk *vp;
+	struct clk *sclk_mixer;
+	struct clk *sclk_hdmi;
+	struct clk *sclk_dac;
+};
+
+/* event flags used  */
+enum mxr_devide_flags {
+	MXR_EVENT_VSYNC = 0,
+	MXR_EVENT_TOP = 1,
+};
+
+/** drivers instance */
+struct mxr_device {
+	/** master device */
+	struct device *dev;
+	/** state of each layer */
+	struct mxr_layer *layer[MXR_MAX_LAYERS];
+	/** state of each output */
+	struct mxr_output *output[MXR_MAX_OUTPUTS];
+	/** number of registered outputs */
+	int output_cnt;
+
+	/* video resources */
+
+	/** V4L2 device */
+	struct v4l2_device v4l2_dev;
+	/** context of allocator */
+	void *alloc_ctx;
+	/** event wait queue */
+	wait_queue_head_t event_queue;
+	/** state flags */
+	unsigned long event_flags;
+
+	/** spinlock for protection of registers */
+	spinlock_t reg_slock;
+
+	/** mutex for protection of fields below */
+	struct mutex mutex;
+	/** number of entities depndant on output configuration */
+	int n_output;
+	/** number of users that do streaming */
+	int n_streamer;
+	/** index of current output */
+	int current_output;
+	/** auxiliary resources used my mixer */
+	struct mxr_resources res;
+};
+
+/** transform device structure into mixer device */
+static inline struct mxr_device *to_mdev(struct device *dev)
+{
+	struct v4l2_device *vdev = dev_get_drvdata(dev);
+	return container_of(vdev, struct mxr_device, v4l2_dev);
+}
+
+/** get current output data, should be called under mdev's mutex */
+static inline struct mxr_output *to_output(struct mxr_device *mdev)
+{
+	return mdev->output[mdev->current_output];
+}
+
+/** get current output subdev, should be called under mdev's mutex */
+static inline struct v4l2_subdev *to_outsd(struct mxr_device *mdev)
+{
+	struct mxr_output *out = to_output(mdev);
+	return out ? out->sd : NULL;
+}
+
+/** forward declaration for mixer platform data */
+struct mxr_platform_data;
+
+/** acquiring common video resources */
+int __devinit mxr_acquire_video(struct mxr_device *mdev,
+	struct mxr_output_conf *output_cont, int output_count);
+
+/** releasing common video resources */
+void mxr_release_video(struct mxr_device *mdev);
+
+struct mxr_layer *mxr_graph_layer_create(struct mxr_device *mdev, int idx);
+struct mxr_layer *mxr_vp_layer_create(struct mxr_device *mdev, int idx);
+struct mxr_layer *mxr_base_layer_create(struct mxr_device *mdev,
+	int idx, char *name, struct mxr_layer_ops *ops);
+
+void mxr_base_layer_release(struct mxr_layer *layer);
+void mxr_layer_release(struct mxr_layer *layer);
+
+int mxr_base_layer_register(struct mxr_layer *layer);
+void mxr_base_layer_unregister(struct mxr_layer *layer);
+
+unsigned long mxr_get_plane_size(const struct mxr_block *blk,
+	unsigned int width, unsigned int height);
+
+/** adds new consumer for mixer's power */
+int __must_check mxr_power_get(struct mxr_device *mdev);
+/** removes consumer for mixer's power */
+void mxr_power_put(struct mxr_device *mdev);
+/** add new client for output configuration */
+void mxr_output_get(struct mxr_device *mdev);
+/** removes new client for output configuration */
+void mxr_output_put(struct mxr_device *mdev);
+/** add new client for streaming */
+void mxr_streamer_get(struct mxr_device *mdev);
+/** removes new client for streaming */
+void mxr_streamer_put(struct mxr_device *mdev);
+/** returns format of data delivared to current output */
+void mxr_get_mbus_fmt(struct mxr_device *mdev,
+	struct v4l2_mbus_framefmt *mbus_fmt);
+
+/* Debug */
+
+#define mxr_err(mdev, fmt, ...)  dev_err(mdev->dev, fmt, ##__VA_ARGS__)
+#define mxr_warn(mdev, fmt, ...) dev_warn(mdev->dev, fmt, ##__VA_ARGS__)
+#define mxr_info(mdev, fmt, ...) dev_info(mdev->dev, fmt, ##__VA_ARGS__)
+
+#ifdef CONFIG_VIDEO_SAMSUNG_S5P_MIXER_DEBUG
+	#define mxr_dbg(mdev, fmt, ...)  dev_dbg(mdev->dev, fmt, ##__VA_ARGS__)
+#else
+	#define mxr_dbg(mdev, fmt, ...)  do { (void) mdev; } while (0)
+#endif
+
+/* accessing Mixer's and Video Processor's registers */
+
+void mxr_vsync_set_update(struct mxr_device *mdev, int en);
+void mxr_reg_reset(struct mxr_device *mdev);
+irqreturn_t mxr_irq_handler(int irq, void *dev_data);
+void mxr_reg_s_output(struct mxr_device *mdev, int cookie);
+void mxr_reg_streamon(struct mxr_device *mdev);
+void mxr_reg_streamoff(struct mxr_device *mdev);
+int mxr_reg_wait4vsync(struct mxr_device *mdev);
+void mxr_reg_set_mbus_fmt(struct mxr_device *mdev,
+	struct v4l2_mbus_framefmt *fmt);
+void mxr_reg_graph_layer_stream(struct mxr_device *mdev, int idx, int en);
+void mxr_reg_graph_buffer(struct mxr_device *mdev, int idx, dma_addr_t addr);
+void mxr_reg_graph_format(struct mxr_device *mdev, int idx,
+	const struct mxr_format *fmt, const struct mxr_geometry *geo);
+
+void mxr_reg_vp_layer_stream(struct mxr_device *mdev, int en);
+void mxr_reg_vp_buffer(struct mxr_device *mdev,
+	dma_addr_t luma_addr[2], dma_addr_t chroma_addr[2]);
+void mxr_reg_vp_format(struct mxr_device *mdev,
+	const struct mxr_format *fmt, const struct mxr_geometry *geo);
+void mxr_reg_dump(struct mxr_device *mdev);
+
+#endif /* SAMSUNG_MIXER_H */
+
diff --git a/drivers/media/platform/s5p-tv/mixer_drv.c b/drivers/media/platform/s5p-tv/mixer_drv.c
new file mode 100644
index 000000000000..ca0f29717448
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/mixer_drv.c
@@ -0,0 +1,487 @@
+/*
+ * Samsung TV Mixer driver
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *
+ * Tomasz Stanislawski, <t.stanislaws@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundiation. either version 2 of the License,
+ * or (at your option) any later version
+ */
+
+#include "mixer.h"
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/fb.h>
+#include <linux/delay.h>
+#include <linux/pm_runtime.h>
+#include <linux/clk.h>
+
+MODULE_AUTHOR("Tomasz Stanislawski, <t.stanislaws@samsung.com>");
+MODULE_DESCRIPTION("Samsung MIXER");
+MODULE_LICENSE("GPL");
+
+/* --------- DRIVER PARAMETERS ---------- */
+
+static struct mxr_output_conf mxr_output_conf[] = {
+	{
+		.output_name = "S5P HDMI connector",
+		.module_name = "s5p-hdmi",
+		.cookie = 1,
+	},
+	{
+		.output_name = "S5P SDO connector",
+		.module_name = "s5p-sdo",
+		.cookie = 0,
+	},
+};
+
+void mxr_get_mbus_fmt(struct mxr_device *mdev,
+	struct v4l2_mbus_framefmt *mbus_fmt)
+{
+	struct v4l2_subdev *sd;
+	int ret;
+
+	mutex_lock(&mdev->mutex);
+	sd = to_outsd(mdev);
+	ret = v4l2_subdev_call(sd, video, g_mbus_fmt, mbus_fmt);
+	WARN(ret, "failed to get mbus_fmt for output %s\n", sd->name);
+	mutex_unlock(&mdev->mutex);
+}
+
+void mxr_streamer_get(struct mxr_device *mdev)
+{
+	mutex_lock(&mdev->mutex);
+	++mdev->n_streamer;
+	mxr_dbg(mdev, "%s(%d)\n", __func__, mdev->n_streamer);
+	if (mdev->n_streamer == 1) {
+		struct v4l2_subdev *sd = to_outsd(mdev);
+		struct v4l2_mbus_framefmt mbus_fmt;
+		struct mxr_resources *res = &mdev->res;
+		int ret;
+
+		if (to_output(mdev)->cookie == 0)
+			clk_set_parent(res->sclk_mixer, res->sclk_dac);
+		else
+			clk_set_parent(res->sclk_mixer, res->sclk_hdmi);
+		mxr_reg_s_output(mdev, to_output(mdev)->cookie);
+
+		ret = v4l2_subdev_call(sd, video, g_mbus_fmt, &mbus_fmt);
+		WARN(ret, "failed to get mbus_fmt for output %s\n", sd->name);
+		ret = v4l2_subdev_call(sd, video, s_stream, 1);
+		WARN(ret, "starting stream failed for output %s\n", sd->name);
+
+		mxr_reg_set_mbus_fmt(mdev, &mbus_fmt);
+		mxr_reg_streamon(mdev);
+		ret = mxr_reg_wait4vsync(mdev);
+		WARN(ret, "failed to get vsync (%d) from output\n", ret);
+	}
+	mutex_unlock(&mdev->mutex);
+	mxr_reg_dump(mdev);
+	/* FIXME: what to do when streaming fails? */
+}
+
+void mxr_streamer_put(struct mxr_device *mdev)
+{
+	mutex_lock(&mdev->mutex);
+	--mdev->n_streamer;
+	mxr_dbg(mdev, "%s(%d)\n", __func__, mdev->n_streamer);
+	if (mdev->n_streamer == 0) {
+		int ret;
+		struct v4l2_subdev *sd = to_outsd(mdev);
+
+		mxr_reg_streamoff(mdev);
+		/* vsync applies Mixer setup */
+		ret = mxr_reg_wait4vsync(mdev);
+		WARN(ret, "failed to get vsync (%d) from output\n", ret);
+		ret = v4l2_subdev_call(sd, video, s_stream, 0);
+		WARN(ret, "stopping stream failed for output %s\n", sd->name);
+	}
+	WARN(mdev->n_streamer < 0, "negative number of streamers (%d)\n",
+		mdev->n_streamer);
+	mutex_unlock(&mdev->mutex);
+	mxr_reg_dump(mdev);
+}
+
+void mxr_output_get(struct mxr_device *mdev)
+{
+	mutex_lock(&mdev->mutex);
+	++mdev->n_output;
+	mxr_dbg(mdev, "%s(%d)\n", __func__, mdev->n_output);
+	/* turn on auxiliary driver */
+	if (mdev->n_output == 1)
+		v4l2_subdev_call(to_outsd(mdev), core, s_power, 1);
+	mutex_unlock(&mdev->mutex);
+}
+
+void mxr_output_put(struct mxr_device *mdev)
+{
+	mutex_lock(&mdev->mutex);
+	--mdev->n_output;
+	mxr_dbg(mdev, "%s(%d)\n", __func__, mdev->n_output);
+	/* turn on auxiliary driver */
+	if (mdev->n_output == 0)
+		v4l2_subdev_call(to_outsd(mdev), core, s_power, 0);
+	WARN(mdev->n_output < 0, "negative number of output users (%d)\n",
+		mdev->n_output);
+	mutex_unlock(&mdev->mutex);
+}
+
+int mxr_power_get(struct mxr_device *mdev)
+{
+	int ret = pm_runtime_get_sync(mdev->dev);
+
+	/* returning 1 means that power is already enabled,
+	 * so zero success be returned */
+	if (IS_ERR_VALUE(ret))
+		return ret;
+	return 0;
+}
+
+void mxr_power_put(struct mxr_device *mdev)
+{
+	pm_runtime_put_sync(mdev->dev);
+}
+
+/* --------- RESOURCE MANAGEMENT -------------*/
+
+static int __devinit mxr_acquire_plat_resources(struct mxr_device *mdev,
+	struct platform_device *pdev)
+{
+	struct resource *res;
+	int ret;
+
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mxr");
+	if (res == NULL) {
+		mxr_err(mdev, "get memory resource failed.\n");
+		ret = -ENXIO;
+		goto fail;
+	}
+
+	mdev->res.mxr_regs = ioremap(res->start, resource_size(res));
+	if (mdev->res.mxr_regs == NULL) {
+		mxr_err(mdev, "register mapping failed.\n");
+		ret = -ENXIO;
+		goto fail;
+	}
+
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vp");
+	if (res == NULL) {
+		mxr_err(mdev, "get memory resource failed.\n");
+		ret = -ENXIO;
+		goto fail_mxr_regs;
+	}
+
+	mdev->res.vp_regs = ioremap(res->start, resource_size(res));
+	if (mdev->res.vp_regs == NULL) {
+		mxr_err(mdev, "register mapping failed.\n");
+		ret = -ENXIO;
+		goto fail_mxr_regs;
+	}
+
+	res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "irq");
+	if (res == NULL) {
+		mxr_err(mdev, "get interrupt resource failed.\n");
+		ret = -ENXIO;
+		goto fail_vp_regs;
+	}
+
+	ret = request_irq(res->start, mxr_irq_handler, 0, "s5p-mixer", mdev);
+	if (ret) {
+		mxr_err(mdev, "request interrupt failed.\n");
+		goto fail_vp_regs;
+	}
+	mdev->res.irq = res->start;
+
+	return 0;
+
+fail_vp_regs:
+	iounmap(mdev->res.vp_regs);
+
+fail_mxr_regs:
+	iounmap(mdev->res.mxr_regs);
+
+fail:
+	return ret;
+}
+
+static void mxr_release_plat_resources(struct mxr_device *mdev)
+{
+	free_irq(mdev->res.irq, mdev);
+	iounmap(mdev->res.vp_regs);
+	iounmap(mdev->res.mxr_regs);
+}
+
+static void mxr_release_clocks(struct mxr_device *mdev)
+{
+	struct mxr_resources *res = &mdev->res;
+
+	if (!IS_ERR_OR_NULL(res->sclk_dac))
+		clk_put(res->sclk_dac);
+	if (!IS_ERR_OR_NULL(res->sclk_hdmi))
+		clk_put(res->sclk_hdmi);
+	if (!IS_ERR_OR_NULL(res->sclk_mixer))
+		clk_put(res->sclk_mixer);
+	if (!IS_ERR_OR_NULL(res->vp))
+		clk_put(res->vp);
+	if (!IS_ERR_OR_NULL(res->mixer))
+		clk_put(res->mixer);
+}
+
+static int mxr_acquire_clocks(struct mxr_device *mdev)
+{
+	struct mxr_resources *res = &mdev->res;
+	struct device *dev = mdev->dev;
+
+	res->mixer = clk_get(dev, "mixer");
+	if (IS_ERR_OR_NULL(res->mixer)) {
+		mxr_err(mdev, "failed to get clock 'mixer'\n");
+		goto fail;
+	}
+	res->vp = clk_get(dev, "vp");
+	if (IS_ERR_OR_NULL(res->vp)) {
+		mxr_err(mdev, "failed to get clock 'vp'\n");
+		goto fail;
+	}
+	res->sclk_mixer = clk_get(dev, "sclk_mixer");
+	if (IS_ERR_OR_NULL(res->sclk_mixer)) {
+		mxr_err(mdev, "failed to get clock 'sclk_mixer'\n");
+		goto fail;
+	}
+	res->sclk_hdmi = clk_get(dev, "sclk_hdmi");
+	if (IS_ERR_OR_NULL(res->sclk_hdmi)) {
+		mxr_err(mdev, "failed to get clock 'sclk_hdmi'\n");
+		goto fail;
+	}
+	res->sclk_dac = clk_get(dev, "sclk_dac");
+	if (IS_ERR_OR_NULL(res->sclk_dac)) {
+		mxr_err(mdev, "failed to get clock 'sclk_dac'\n");
+		goto fail;
+	}
+
+	return 0;
+fail:
+	mxr_release_clocks(mdev);
+	return -ENODEV;
+}
+
+static int __devinit mxr_acquire_resources(struct mxr_device *mdev,
+	struct platform_device *pdev)
+{
+	int ret;
+	ret = mxr_acquire_plat_resources(mdev, pdev);
+
+	if (ret)
+		goto fail;
+
+	ret = mxr_acquire_clocks(mdev);
+	if (ret)
+		goto fail_plat;
+
+	mxr_info(mdev, "resources acquired\n");
+	return 0;
+
+fail_plat:
+	mxr_release_plat_resources(mdev);
+fail:
+	mxr_err(mdev, "resources acquire failed\n");
+	return ret;
+}
+
+static void mxr_release_resources(struct mxr_device *mdev)
+{
+	mxr_release_clocks(mdev);
+	mxr_release_plat_resources(mdev);
+	memset(&mdev->res, 0, sizeof mdev->res);
+}
+
+static void mxr_release_layers(struct mxr_device *mdev)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(mdev->layer); ++i)
+		if (mdev->layer[i])
+			mxr_layer_release(mdev->layer[i]);
+}
+
+static int __devinit mxr_acquire_layers(struct mxr_device *mdev,
+	struct mxr_platform_data *pdata)
+{
+	mdev->layer[0] = mxr_graph_layer_create(mdev, 0);
+	mdev->layer[1] = mxr_graph_layer_create(mdev, 1);
+	mdev->layer[2] = mxr_vp_layer_create(mdev, 0);
+
+	if (!mdev->layer[0] || !mdev->layer[1] || !mdev->layer[2]) {
+		mxr_err(mdev, "failed to acquire layers\n");
+		goto fail;
+	}
+
+	return 0;
+
+fail:
+	mxr_release_layers(mdev);
+	return -ENODEV;
+}
+
+/* ---------- POWER MANAGEMENT ----------- */
+
+static int mxr_runtime_resume(struct device *dev)
+{
+	struct mxr_device *mdev = to_mdev(dev);
+	struct mxr_resources *res = &mdev->res;
+
+	mxr_dbg(mdev, "resume - start\n");
+	mutex_lock(&mdev->mutex);
+	/* turn clocks on */
+	clk_enable(res->mixer);
+	clk_enable(res->vp);
+	clk_enable(res->sclk_mixer);
+	/* apply default configuration */
+	mxr_reg_reset(mdev);
+	mxr_dbg(mdev, "resume - finished\n");
+
+	mutex_unlock(&mdev->mutex);
+	return 0;
+}
+
+static int mxr_runtime_suspend(struct device *dev)
+{
+	struct mxr_device *mdev = to_mdev(dev);
+	struct mxr_resources *res = &mdev->res;
+	mxr_dbg(mdev, "suspend - start\n");
+	mutex_lock(&mdev->mutex);
+	/* turn clocks off */
+	clk_disable(res->sclk_mixer);
+	clk_disable(res->vp);
+	clk_disable(res->mixer);
+	mutex_unlock(&mdev->mutex);
+	mxr_dbg(mdev, "suspend - finished\n");
+	return 0;
+}
+
+static const struct dev_pm_ops mxr_pm_ops = {
+	.runtime_suspend = mxr_runtime_suspend,
+	.runtime_resume	 = mxr_runtime_resume,
+};
+
+/* --------- DRIVER INITIALIZATION ---------- */
+
+static int __devinit mxr_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct mxr_platform_data *pdata = dev->platform_data;
+	struct mxr_device *mdev;
+	int ret;
+
+	/* mdev does not exist yet so no mxr_dbg is used */
+	dev_info(dev, "probe start\n");
+
+	mdev = kzalloc(sizeof *mdev, GFP_KERNEL);
+	if (!mdev) {
+		dev_err(dev, "not enough memory.\n");
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	/* setup pointer to master device */
+	mdev->dev = dev;
+
+	mutex_init(&mdev->mutex);
+	spin_lock_init(&mdev->reg_slock);
+	init_waitqueue_head(&mdev->event_queue);
+
+	/* acquire resources: regs, irqs, clocks, regulators */
+	ret = mxr_acquire_resources(mdev, pdev);
+	if (ret)
+		goto fail_mem;
+
+	/* configure resources for video output */
+	ret = mxr_acquire_video(mdev, mxr_output_conf,
+		ARRAY_SIZE(mxr_output_conf));
+	if (ret)
+		goto fail_resources;
+
+	/* configure layers */
+	ret = mxr_acquire_layers(mdev, pdata);
+	if (ret)
+		goto fail_video;
+
+	pm_runtime_enable(dev);
+
+	mxr_info(mdev, "probe successful\n");
+	return 0;
+
+fail_video:
+	mxr_release_video(mdev);
+
+fail_resources:
+	mxr_release_resources(mdev);
+
+fail_mem:
+	kfree(mdev);
+
+fail:
+	dev_info(dev, "probe failed\n");
+	return ret;
+}
+
+static int __devexit mxr_remove(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct mxr_device *mdev = to_mdev(dev);
+
+	pm_runtime_disable(dev);
+
+	mxr_release_layers(mdev);
+	mxr_release_video(mdev);
+	mxr_release_resources(mdev);
+
+	kfree(mdev);
+
+	dev_info(dev, "remove successful\n");
+	return 0;
+}
+
+static struct platform_driver mxr_driver __refdata = {
+	.probe = mxr_probe,
+	.remove = __devexit_p(mxr_remove),
+	.driver = {
+		.name = MXR_DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.pm = &mxr_pm_ops,
+	}
+};
+
+static int __init mxr_init(void)
+{
+	int i, ret;
+	static const char banner[] __initconst =
+		"Samsung TV Mixer driver, "
+		"(c) 2010-2011 Samsung Electronics Co., Ltd.\n";
+	pr_info("%s\n", banner);
+
+	/* Loading auxiliary modules */
+	for (i = 0; i < ARRAY_SIZE(mxr_output_conf); ++i)
+		request_module(mxr_output_conf[i].module_name);
+
+	ret = platform_driver_register(&mxr_driver);
+	if (ret != 0) {
+		pr_err("s5p-tv: registration of MIXER driver failed\n");
+		return -ENXIO;
+	}
+
+	return 0;
+}
+module_init(mxr_init);
+
+static void __exit mxr_exit(void)
+{
+	platform_driver_unregister(&mxr_driver);
+}
+module_exit(mxr_exit);
diff --git a/drivers/media/platform/s5p-tv/mixer_grp_layer.c b/drivers/media/platform/s5p-tv/mixer_grp_layer.c
new file mode 100644
index 000000000000..b93a21f5aa13
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/mixer_grp_layer.c
@@ -0,0 +1,270 @@
+/*
+ * Samsung TV Mixer driver
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *
+ * Tomasz Stanislawski, <t.stanislaws@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundiation. either version 2 of the License,
+ * or (at your option) any later version
+ */
+
+#include "mixer.h"
+
+#include <media/videobuf2-dma-contig.h>
+
+/* FORMAT DEFINITIONS */
+
+static const struct mxr_format mxr_fb_fmt_rgb565 = {
+	.name = "RGB565",
+	.fourcc = V4L2_PIX_FMT_RGB565,
+	.colorspace = V4L2_COLORSPACE_SRGB,
+	.num_planes = 1,
+	.plane = {
+		{ .width = 1, .height = 1, .size = 2 },
+	},
+	.num_subframes = 1,
+	.cookie = 4,
+};
+
+static const struct mxr_format mxr_fb_fmt_argb1555 = {
+	.name = "ARGB1555",
+	.num_planes = 1,
+	.fourcc = V4L2_PIX_FMT_RGB555,
+	.colorspace = V4L2_COLORSPACE_SRGB,
+	.plane = {
+		{ .width = 1, .height = 1, .size = 2 },
+	},
+	.num_subframes = 1,
+	.cookie = 5,
+};
+
+static const struct mxr_format mxr_fb_fmt_argb4444 = {
+	.name = "ARGB4444",
+	.num_planes = 1,
+	.fourcc = V4L2_PIX_FMT_RGB444,
+	.colorspace = V4L2_COLORSPACE_SRGB,
+	.plane = {
+		{ .width = 1, .height = 1, .size = 2 },
+	},
+	.num_subframes = 1,
+	.cookie = 6,
+};
+
+static const struct mxr_format mxr_fb_fmt_argb8888 = {
+	.name = "ARGB8888",
+	.fourcc = V4L2_PIX_FMT_BGR32,
+	.colorspace = V4L2_COLORSPACE_SRGB,
+	.num_planes = 1,
+	.plane = {
+		{ .width = 1, .height = 1, .size = 4 },
+	},
+	.num_subframes = 1,
+	.cookie = 7,
+};
+
+static const struct mxr_format *mxr_graph_format[] = {
+	&mxr_fb_fmt_rgb565,
+	&mxr_fb_fmt_argb1555,
+	&mxr_fb_fmt_argb4444,
+	&mxr_fb_fmt_argb8888,
+};
+
+/* AUXILIARY CALLBACKS */
+
+static void mxr_graph_layer_release(struct mxr_layer *layer)
+{
+	mxr_base_layer_unregister(layer);
+	mxr_base_layer_release(layer);
+}
+
+static void mxr_graph_buffer_set(struct mxr_layer *layer,
+	struct mxr_buffer *buf)
+{
+	dma_addr_t addr = 0;
+
+	if (buf)
+		addr = vb2_dma_contig_plane_dma_addr(&buf->vb, 0);
+	mxr_reg_graph_buffer(layer->mdev, layer->idx, addr);
+}
+
+static void mxr_graph_stream_set(struct mxr_layer *layer, int en)
+{
+	mxr_reg_graph_layer_stream(layer->mdev, layer->idx, en);
+}
+
+static void mxr_graph_format_set(struct mxr_layer *layer)
+{
+	mxr_reg_graph_format(layer->mdev, layer->idx,
+		layer->fmt, &layer->geo);
+}
+
+static inline unsigned int closest(unsigned int x, unsigned int a,
+	unsigned int b, unsigned long flags)
+{
+	unsigned int mid = (a + b) / 2;
+
+	/* choosing closest value with constraints according to table:
+	 * -------------+-----+-----+-----+-------+
+	 * flags	|  0  |  LE |  GE | LE|GE |
+	 * -------------+-----+-----+-----+-------+
+	 * x <= a	|  a  |  a  |  a  |   a   |
+	 * a < x <= mid	|  a  |  a  |  b  |   a   |
+	 * mid < x < b	|  b  |  a  |  b  |   b   |
+	 * b <= x	|  b  |  b  |  b  |   b   |
+	 * -------------+-----+-----+-----+-------+
+	 */
+
+	/* remove all non-constraint flags */
+	flags &= V4L2_SEL_FLAG_LE | V4L2_SEL_FLAG_GE;
+
+	if (x <= a)
+		return  a;
+	if (x >= b)
+		return b;
+	if (flags == V4L2_SEL_FLAG_LE)
+		return a;
+	if (flags == V4L2_SEL_FLAG_GE)
+		return b;
+	if (x <= mid)
+		return a;
+	return b;
+}
+
+static inline unsigned int do_center(unsigned int center,
+	unsigned int size, unsigned int upper, unsigned int flags)
+{
+	unsigned int lower;
+
+	if (flags & MXR_NO_OFFSET)
+		return 0;
+
+	lower = center - min(center, size / 2);
+	return min(lower, upper - size);
+}
+
+static void mxr_graph_fix_geometry(struct mxr_layer *layer,
+	enum mxr_geometry_stage stage, unsigned long flags)
+{
+	struct mxr_geometry *geo = &layer->geo;
+	struct mxr_crop *src = &geo->src;
+	struct mxr_crop *dst = &geo->dst;
+	unsigned int x_center, y_center;
+
+	switch (stage) {
+
+	case MXR_GEOMETRY_SINK: /* nothing to be fixed here */
+		flags = 0;
+		/* fall through */
+
+	case MXR_GEOMETRY_COMPOSE:
+		/* remember center of the area */
+		x_center = dst->x_offset + dst->width / 2;
+		y_center = dst->y_offset + dst->height / 2;
+		/* round up/down to 2 multiple depending on flags */
+		if (flags & V4L2_SEL_FLAG_LE) {
+			dst->width = round_down(dst->width, 2);
+			dst->height = round_down(dst->height, 2);
+		} else {
+			dst->width = round_up(dst->width, 2);
+			dst->height = round_up(dst->height, 2);
+		}
+		/* assure that compose rect is inside display area */
+		dst->width = min(dst->width, dst->full_width);
+		dst->height = min(dst->height, dst->full_height);
+
+		/* ensure that compose is reachable using 2x scaling */
+		dst->width = min(dst->width, 2 * src->full_width);
+		dst->height = min(dst->height, 2 * src->full_height);
+
+		/* setup offsets */
+		dst->x_offset = do_center(x_center, dst->width,
+			dst->full_width, flags);
+		dst->y_offset = do_center(y_center, dst->height,
+			dst->full_height, flags);
+		flags = 0;
+		/* fall through */
+
+	case MXR_GEOMETRY_CROP:
+		/* remember center of the area */
+		x_center = src->x_offset + src->width / 2;
+		y_center = src->y_offset + src->height / 2;
+		/* ensure that cropping area lies inside the buffer */
+		if (src->full_width < dst->width)
+			src->width = dst->width / 2;
+		else
+			src->width = closest(src->width, dst->width / 2,
+				dst->width, flags);
+
+		if (src->width == dst->width)
+			geo->x_ratio = 0;
+		else
+			geo->x_ratio = 1;
+
+		if (src->full_height < dst->height)
+			src->height = dst->height / 2;
+		else
+			src->height = closest(src->height, dst->height / 2,
+				dst->height, flags);
+
+		if (src->height == dst->height)
+			geo->y_ratio = 0;
+		else
+			geo->y_ratio = 1;
+
+		/* setup offsets */
+		src->x_offset = do_center(x_center, src->width,
+			src->full_width, flags);
+		src->y_offset = do_center(y_center, src->height,
+			src->full_height, flags);
+		flags = 0;
+		/* fall through */
+	case MXR_GEOMETRY_SOURCE:
+		src->full_width = clamp_val(src->full_width,
+			src->width + src->x_offset, 32767);
+		src->full_height = clamp_val(src->full_height,
+			src->height + src->y_offset, 2047);
+	};
+}
+
+/* PUBLIC API */
+
+struct mxr_layer *mxr_graph_layer_create(struct mxr_device *mdev, int idx)
+{
+	struct mxr_layer *layer;
+	int ret;
+	struct mxr_layer_ops ops = {
+		.release = mxr_graph_layer_release,
+		.buffer_set = mxr_graph_buffer_set,
+		.stream_set = mxr_graph_stream_set,
+		.format_set = mxr_graph_format_set,
+		.fix_geometry = mxr_graph_fix_geometry,
+	};
+	char name[32];
+
+	sprintf(name, "graph%d", idx);
+
+	layer = mxr_base_layer_create(mdev, idx, name, &ops);
+	if (layer == NULL) {
+		mxr_err(mdev, "failed to initialize layer(%d) base\n", idx);
+		goto fail;
+	}
+
+	layer->fmt_array = mxr_graph_format;
+	layer->fmt_array_size = ARRAY_SIZE(mxr_graph_format);
+
+	ret = mxr_base_layer_register(layer);
+	if (ret)
+		goto fail_layer;
+
+	return layer;
+
+fail_layer:
+	mxr_base_layer_release(layer);
+
+fail:
+	return NULL;
+}
+
diff --git a/drivers/media/platform/s5p-tv/mixer_reg.c b/drivers/media/platform/s5p-tv/mixer_reg.c
new file mode 100644
index 000000000000..3b1670a045f4
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/mixer_reg.c
@@ -0,0 +1,553 @@
+/*
+ * Samsung TV Mixer driver
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *
+ * Tomasz Stanislawski, <t.stanislaws@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundiation. either version 2 of the License,
+ * or (at your option) any later version
+ */
+
+#include "mixer.h"
+#include "regs-mixer.h"
+#include "regs-vp.h"
+
+#include <linux/delay.h>
+
+/* Register access subroutines */
+
+static inline u32 vp_read(struct mxr_device *mdev, u32 reg_id)
+{
+	return readl(mdev->res.vp_regs + reg_id);
+}
+
+static inline void vp_write(struct mxr_device *mdev, u32 reg_id, u32 val)
+{
+	writel(val, mdev->res.vp_regs + reg_id);
+}
+
+static inline void vp_write_mask(struct mxr_device *mdev, u32 reg_id,
+	u32 val, u32 mask)
+{
+	u32 old = vp_read(mdev, reg_id);
+
+	val = (val & mask) | (old & ~mask);
+	writel(val, mdev->res.vp_regs + reg_id);
+}
+
+static inline u32 mxr_read(struct mxr_device *mdev, u32 reg_id)
+{
+	return readl(mdev->res.mxr_regs + reg_id);
+}
+
+static inline void mxr_write(struct mxr_device *mdev, u32 reg_id, u32 val)
+{
+	writel(val, mdev->res.mxr_regs + reg_id);
+}
+
+static inline void mxr_write_mask(struct mxr_device *mdev, u32 reg_id,
+	u32 val, u32 mask)
+{
+	u32 old = mxr_read(mdev, reg_id);
+
+	val = (val & mask) | (old & ~mask);
+	writel(val, mdev->res.mxr_regs + reg_id);
+}
+
+void mxr_vsync_set_update(struct mxr_device *mdev, int en)
+{
+	/* block update on vsync */
+	mxr_write_mask(mdev, MXR_STATUS, en ? MXR_STATUS_SYNC_ENABLE : 0,
+		MXR_STATUS_SYNC_ENABLE);
+	vp_write(mdev, VP_SHADOW_UPDATE, en ? VP_SHADOW_UPDATE_ENABLE : 0);
+}
+
+static void __mxr_reg_vp_reset(struct mxr_device *mdev)
+{
+	int tries = 100;
+
+	vp_write(mdev, VP_SRESET, VP_SRESET_PROCESSING);
+	for (tries = 100; tries; --tries) {
+		/* waiting until VP_SRESET_PROCESSING is 0 */
+		if (~vp_read(mdev, VP_SRESET) & VP_SRESET_PROCESSING)
+			break;
+		mdelay(10);
+	}
+	WARN(tries == 0, "failed to reset Video Processor\n");
+}
+
+static void mxr_reg_vp_default_filter(struct mxr_device *mdev);
+
+void mxr_reg_reset(struct mxr_device *mdev)
+{
+	unsigned long flags;
+	u32 val; /* value stored to register */
+
+	spin_lock_irqsave(&mdev->reg_slock, flags);
+	mxr_vsync_set_update(mdev, MXR_DISABLE);
+
+	/* set output in RGB888 mode */
+	mxr_write(mdev, MXR_CFG, MXR_CFG_OUT_RGB888);
+
+	/* 16 beat burst in DMA */
+	mxr_write_mask(mdev, MXR_STATUS, MXR_STATUS_16_BURST,
+		MXR_STATUS_BURST_MASK);
+
+	/* setting default layer priority: layer1 > video > layer0
+	 * because typical usage scenario would be
+	 * layer0 - framebuffer
+	 * video - video overlay
+	 * layer1 - OSD
+	 */
+	val  = MXR_LAYER_CFG_GRP0_VAL(1);
+	val |= MXR_LAYER_CFG_VP_VAL(2);
+	val |= MXR_LAYER_CFG_GRP1_VAL(3);
+	mxr_write(mdev, MXR_LAYER_CFG, val);
+
+	/* use dark gray background color */
+	mxr_write(mdev, MXR_BG_COLOR0, 0x808080);
+	mxr_write(mdev, MXR_BG_COLOR1, 0x808080);
+	mxr_write(mdev, MXR_BG_COLOR2, 0x808080);
+
+	/* setting graphical layers */
+
+	val  = MXR_GRP_CFG_COLOR_KEY_DISABLE; /* no blank key */
+	val |= MXR_GRP_CFG_BLEND_PRE_MUL; /* premul mode */
+	val |= MXR_GRP_CFG_ALPHA_VAL(0xff); /* non-transparent alpha */
+
+	/* the same configuration for both layers */
+	mxr_write(mdev, MXR_GRAPHIC_CFG(0), val);
+	mxr_write(mdev, MXR_GRAPHIC_CFG(1), val);
+
+	/* configuration of Video Processor Registers */
+	__mxr_reg_vp_reset(mdev);
+	mxr_reg_vp_default_filter(mdev);
+
+	/* enable all interrupts */
+	mxr_write_mask(mdev, MXR_INT_EN, ~0, MXR_INT_EN_ALL);
+
+	mxr_vsync_set_update(mdev, MXR_ENABLE);
+	spin_unlock_irqrestore(&mdev->reg_slock, flags);
+}
+
+void mxr_reg_graph_format(struct mxr_device *mdev, int idx,
+	const struct mxr_format *fmt, const struct mxr_geometry *geo)
+{
+	u32 val;
+	unsigned long flags;
+
+	spin_lock_irqsave(&mdev->reg_slock, flags);
+	mxr_vsync_set_update(mdev, MXR_DISABLE);
+
+	/* setup format */
+	mxr_write_mask(mdev, MXR_GRAPHIC_CFG(idx),
+		MXR_GRP_CFG_FORMAT_VAL(fmt->cookie), MXR_GRP_CFG_FORMAT_MASK);
+
+	/* setup geometry */
+	mxr_write(mdev, MXR_GRAPHIC_SPAN(idx), geo->src.full_width);
+	val  = MXR_GRP_WH_WIDTH(geo->src.width);
+	val |= MXR_GRP_WH_HEIGHT(geo->src.height);
+	val |= MXR_GRP_WH_H_SCALE(geo->x_ratio);
+	val |= MXR_GRP_WH_V_SCALE(geo->y_ratio);
+	mxr_write(mdev, MXR_GRAPHIC_WH(idx), val);
+
+	/* setup offsets in source image */
+	val  = MXR_GRP_SXY_SX(geo->src.x_offset);
+	val |= MXR_GRP_SXY_SY(geo->src.y_offset);
+	mxr_write(mdev, MXR_GRAPHIC_SXY(idx), val);
+
+	/* setup offsets in display image */
+	val  = MXR_GRP_DXY_DX(geo->dst.x_offset);
+	val |= MXR_GRP_DXY_DY(geo->dst.y_offset);
+	mxr_write(mdev, MXR_GRAPHIC_DXY(idx), val);
+
+	mxr_vsync_set_update(mdev, MXR_ENABLE);
+	spin_unlock_irqrestore(&mdev->reg_slock, flags);
+}
+
+void mxr_reg_vp_format(struct mxr_device *mdev,
+	const struct mxr_format *fmt, const struct mxr_geometry *geo)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&mdev->reg_slock, flags);
+	mxr_vsync_set_update(mdev, MXR_DISABLE);
+
+	vp_write_mask(mdev, VP_MODE, fmt->cookie, VP_MODE_FMT_MASK);
+
+	/* setting size of input image */
+	vp_write(mdev, VP_IMG_SIZE_Y, VP_IMG_HSIZE(geo->src.full_width) |
+		VP_IMG_VSIZE(geo->src.full_height));
+	/* chroma height has to reduced by 2 to avoid chroma distorions */
+	vp_write(mdev, VP_IMG_SIZE_C, VP_IMG_HSIZE(geo->src.full_width) |
+		VP_IMG_VSIZE(geo->src.full_height / 2));
+
+	vp_write(mdev, VP_SRC_WIDTH, geo->src.width);
+	vp_write(mdev, VP_SRC_HEIGHT, geo->src.height);
+	vp_write(mdev, VP_SRC_H_POSITION,
+		VP_SRC_H_POSITION_VAL(geo->src.x_offset));
+	vp_write(mdev, VP_SRC_V_POSITION, geo->src.y_offset);
+
+	vp_write(mdev, VP_DST_WIDTH, geo->dst.width);
+	vp_write(mdev, VP_DST_H_POSITION, geo->dst.x_offset);
+	if (geo->dst.field == V4L2_FIELD_INTERLACED) {
+		vp_write(mdev, VP_DST_HEIGHT, geo->dst.height / 2);
+		vp_write(mdev, VP_DST_V_POSITION, geo->dst.y_offset / 2);
+	} else {
+		vp_write(mdev, VP_DST_HEIGHT, geo->dst.height);
+		vp_write(mdev, VP_DST_V_POSITION, geo->dst.y_offset);
+	}
+
+	vp_write(mdev, VP_H_RATIO, geo->x_ratio);
+	vp_write(mdev, VP_V_RATIO, geo->y_ratio);
+
+	vp_write(mdev, VP_ENDIAN_MODE, VP_ENDIAN_MODE_LITTLE);
+
+	mxr_vsync_set_update(mdev, MXR_ENABLE);
+	spin_unlock_irqrestore(&mdev->reg_slock, flags);
+
+}
+
+void mxr_reg_graph_buffer(struct mxr_device *mdev, int idx, dma_addr_t addr)
+{
+	u32 val = addr ? ~0 : 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&mdev->reg_slock, flags);
+	mxr_vsync_set_update(mdev, MXR_DISABLE);
+
+	if (idx == 0)
+		mxr_write_mask(mdev, MXR_CFG, val, MXR_CFG_GRP0_ENABLE);
+	else
+		mxr_write_mask(mdev, MXR_CFG, val, MXR_CFG_GRP1_ENABLE);
+	mxr_write(mdev, MXR_GRAPHIC_BASE(idx), addr);
+
+	mxr_vsync_set_update(mdev, MXR_ENABLE);
+	spin_unlock_irqrestore(&mdev->reg_slock, flags);
+}
+
+void mxr_reg_vp_buffer(struct mxr_device *mdev,
+	dma_addr_t luma_addr[2], dma_addr_t chroma_addr[2])
+{
+	u32 val = luma_addr[0] ? ~0 : 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&mdev->reg_slock, flags);
+	mxr_vsync_set_update(mdev, MXR_DISABLE);
+
+	mxr_write_mask(mdev, MXR_CFG, val, MXR_CFG_VP_ENABLE);
+	vp_write_mask(mdev, VP_ENABLE, val, VP_ENABLE_ON);
+	/* TODO: fix tiled mode */
+	vp_write(mdev, VP_TOP_Y_PTR, luma_addr[0]);
+	vp_write(mdev, VP_TOP_C_PTR, chroma_addr[0]);
+	vp_write(mdev, VP_BOT_Y_PTR, luma_addr[1]);
+	vp_write(mdev, VP_BOT_C_PTR, chroma_addr[1]);
+
+	mxr_vsync_set_update(mdev, MXR_ENABLE);
+	spin_unlock_irqrestore(&mdev->reg_slock, flags);
+}
+
+static void mxr_irq_layer_handle(struct mxr_layer *layer)
+{
+	struct list_head *head = &layer->enq_list;
+	struct mxr_buffer *done;
+
+	/* skip non-existing layer */
+	if (layer == NULL)
+		return;
+
+	spin_lock(&layer->enq_slock);
+	if (layer->state == MXR_LAYER_IDLE)
+		goto done;
+
+	done = layer->shadow_buf;
+	layer->shadow_buf = layer->update_buf;
+
+	if (list_empty(head)) {
+		if (layer->state != MXR_LAYER_STREAMING)
+			layer->update_buf = NULL;
+	} else {
+		struct mxr_buffer *next;
+		next = list_first_entry(head, struct mxr_buffer, list);
+		list_del(&next->list);
+		layer->update_buf = next;
+	}
+
+	layer->ops.buffer_set(layer, layer->update_buf);
+
+	if (done && done != layer->shadow_buf)
+		vb2_buffer_done(&done->vb, VB2_BUF_STATE_DONE);
+
+done:
+	spin_unlock(&layer->enq_slock);
+}
+
+irqreturn_t mxr_irq_handler(int irq, void *dev_data)
+{
+	struct mxr_device *mdev = dev_data;
+	u32 i, val;
+
+	spin_lock(&mdev->reg_slock);
+	val = mxr_read(mdev, MXR_INT_STATUS);
+
+	/* wake up process waiting for VSYNC */
+	if (val & MXR_INT_STATUS_VSYNC) {
+		set_bit(MXR_EVENT_VSYNC, &mdev->event_flags);
+		/* toggle TOP field event if working in interlaced mode */
+		if (~mxr_read(mdev, MXR_CFG) & MXR_CFG_SCAN_PROGRASSIVE)
+			change_bit(MXR_EVENT_TOP, &mdev->event_flags);
+		wake_up(&mdev->event_queue);
+		/* vsync interrupt use different bit for read and clear */
+		val &= ~MXR_INT_STATUS_VSYNC;
+		val |= MXR_INT_CLEAR_VSYNC;
+	}
+
+	/* clear interrupts */
+	mxr_write(mdev, MXR_INT_STATUS, val);
+
+	spin_unlock(&mdev->reg_slock);
+	/* leave on non-vsync event */
+	if (~val & MXR_INT_CLEAR_VSYNC)
+		return IRQ_HANDLED;
+	/* skip layer update on bottom field */
+	if (!test_bit(MXR_EVENT_TOP, &mdev->event_flags))
+		return IRQ_HANDLED;
+	for (i = 0; i < MXR_MAX_LAYERS; ++i)
+		mxr_irq_layer_handle(mdev->layer[i]);
+	return IRQ_HANDLED;
+}
+
+void mxr_reg_s_output(struct mxr_device *mdev, int cookie)
+{
+	u32 val;
+
+	val = cookie == 0 ? MXR_CFG_DST_SDO : MXR_CFG_DST_HDMI;
+	mxr_write_mask(mdev, MXR_CFG, val, MXR_CFG_DST_MASK);
+}
+
+void mxr_reg_streamon(struct mxr_device *mdev)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&mdev->reg_slock, flags);
+	/* single write -> no need to block vsync update */
+
+	/* start MIXER */
+	mxr_write_mask(mdev, MXR_STATUS, ~0, MXR_STATUS_REG_RUN);
+	set_bit(MXR_EVENT_TOP, &mdev->event_flags);
+
+	spin_unlock_irqrestore(&mdev->reg_slock, flags);
+}
+
+void mxr_reg_streamoff(struct mxr_device *mdev)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&mdev->reg_slock, flags);
+	/* single write -> no need to block vsync update */
+
+	/* stop MIXER */
+	mxr_write_mask(mdev, MXR_STATUS, 0, MXR_STATUS_REG_RUN);
+
+	spin_unlock_irqrestore(&mdev->reg_slock, flags);
+}
+
+int mxr_reg_wait4vsync(struct mxr_device *mdev)
+{
+	int ret;
+
+	clear_bit(MXR_EVENT_VSYNC, &mdev->event_flags);
+	/* TODO: consider adding interruptible */
+	ret = wait_event_timeout(mdev->event_queue,
+		test_bit(MXR_EVENT_VSYNC, &mdev->event_flags),
+		msecs_to_jiffies(1000));
+	if (ret > 0)
+		return 0;
+	if (ret < 0)
+		return ret;
+	mxr_warn(mdev, "no vsync detected - timeout\n");
+	return -ETIME;
+}
+
+void mxr_reg_set_mbus_fmt(struct mxr_device *mdev,
+	struct v4l2_mbus_framefmt *fmt)
+{
+	u32 val = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&mdev->reg_slock, flags);
+	mxr_vsync_set_update(mdev, MXR_DISABLE);
+
+	/* selecting colorspace accepted by output */
+	if (fmt->colorspace == V4L2_COLORSPACE_JPEG)
+		val |= MXR_CFG_OUT_YUV444;
+	else
+		val |= MXR_CFG_OUT_RGB888;
+
+	/* choosing between interlace and progressive mode */
+	if (fmt->field == V4L2_FIELD_INTERLACED)
+		val |= MXR_CFG_SCAN_INTERLACE;
+	else
+		val |= MXR_CFG_SCAN_PROGRASSIVE;
+
+	/* choosing between porper HD and SD mode */
+	if (fmt->height == 480)
+		val |= MXR_CFG_SCAN_NTSC | MXR_CFG_SCAN_SD;
+	else if (fmt->height == 576)
+		val |= MXR_CFG_SCAN_PAL | MXR_CFG_SCAN_SD;
+	else if (fmt->height == 720)
+		val |= MXR_CFG_SCAN_HD_720 | MXR_CFG_SCAN_HD;
+	else if (fmt->height == 1080)
+		val |= MXR_CFG_SCAN_HD_1080 | MXR_CFG_SCAN_HD;
+	else
+		WARN(1, "unrecognized mbus height %u!\n", fmt->height);
+
+	mxr_write_mask(mdev, MXR_CFG, val, MXR_CFG_SCAN_MASK |
+		MXR_CFG_OUT_MASK);
+
+	val = (fmt->field == V4L2_FIELD_INTERLACED) ? ~0 : 0;
+	vp_write_mask(mdev, VP_MODE, val,
+		VP_MODE_LINE_SKIP | VP_MODE_FIELD_ID_AUTO_TOGGLING);
+
+	mxr_vsync_set_update(mdev, MXR_ENABLE);
+	spin_unlock_irqrestore(&mdev->reg_slock, flags);
+}
+
+void mxr_reg_graph_layer_stream(struct mxr_device *mdev, int idx, int en)
+{
+	/* no extra actions need to be done */
+}
+
+void mxr_reg_vp_layer_stream(struct mxr_device *mdev, int en)
+{
+	/* no extra actions need to be done */
+}
+
+static const u8 filter_y_horiz_tap8[] = {
+	0,	-1,	-1,	-1,	-1,	-1,	-1,	-1,
+	-1,	-1,	-1,	-1,	-1,	0,	0,	0,
+	0,	2,	4,	5,	6,	6,	6,	6,
+	6,	5,	5,	4,	3,	2,	1,	1,
+	0,	-6,	-12,	-16,	-18,	-20,	-21,	-20,
+	-20,	-18,	-16,	-13,	-10,	-8,	-5,	-2,
+	127,	126,	125,	121,	114,	107,	99,	89,
+	79,	68,	57,	46,	35,	25,	16,	8,
+};
+
+static const u8 filter_y_vert_tap4[] = {
+	0,	-3,	-6,	-8,	-8,	-8,	-8,	-7,
+	-6,	-5,	-4,	-3,	-2,	-1,	-1,	0,
+	127,	126,	124,	118,	111,	102,	92,	81,
+	70,	59,	48,	37,	27,	19,	11,	5,
+	0,	5,	11,	19,	27,	37,	48,	59,
+	70,	81,	92,	102,	111,	118,	124,	126,
+	0,	0,	-1,	-1,	-2,	-3,	-4,	-5,
+	-6,	-7,	-8,	-8,	-8,	-8,	-6,	-3,
+};
+
+static const u8 filter_cr_horiz_tap4[] = {
+	0,	-3,	-6,	-8,	-8,	-8,	-8,	-7,
+	-6,	-5,	-4,	-3,	-2,	-1,	-1,	0,
+	127,	126,	124,	118,	111,	102,	92,	81,
+	70,	59,	48,	37,	27,	19,	11,	5,
+};
+
+static inline void mxr_reg_vp_filter_set(struct mxr_device *mdev,
+	int reg_id, const u8 *data, unsigned int size)
+{
+	/* assure 4-byte align */
+	BUG_ON(size & 3);
+	for (; size; size -= 4, reg_id += 4, data += 4) {
+		u32 val = (data[0] << 24) |  (data[1] << 16) |
+			(data[2] << 8) | data[3];
+		vp_write(mdev, reg_id, val);
+	}
+}
+
+static void mxr_reg_vp_default_filter(struct mxr_device *mdev)
+{
+	mxr_reg_vp_filter_set(mdev, VP_POLY8_Y0_LL,
+		filter_y_horiz_tap8, sizeof filter_y_horiz_tap8);
+	mxr_reg_vp_filter_set(mdev, VP_POLY4_Y0_LL,
+		filter_y_vert_tap4, sizeof filter_y_vert_tap4);
+	mxr_reg_vp_filter_set(mdev, VP_POLY4_C0_LL,
+		filter_cr_horiz_tap4, sizeof filter_cr_horiz_tap4);
+}
+
+static void mxr_reg_mxr_dump(struct mxr_device *mdev)
+{
+#define DUMPREG(reg_id) \
+do { \
+	mxr_dbg(mdev, #reg_id " = %08x\n", \
+		(u32)readl(mdev->res.mxr_regs + reg_id)); \
+} while (0)
+
+	DUMPREG(MXR_STATUS);
+	DUMPREG(MXR_CFG);
+	DUMPREG(MXR_INT_EN);
+	DUMPREG(MXR_INT_STATUS);
+
+	DUMPREG(MXR_LAYER_CFG);
+	DUMPREG(MXR_VIDEO_CFG);
+
+	DUMPREG(MXR_GRAPHIC0_CFG);
+	DUMPREG(MXR_GRAPHIC0_BASE);
+	DUMPREG(MXR_GRAPHIC0_SPAN);
+	DUMPREG(MXR_GRAPHIC0_WH);
+	DUMPREG(MXR_GRAPHIC0_SXY);
+	DUMPREG(MXR_GRAPHIC0_DXY);
+
+	DUMPREG(MXR_GRAPHIC1_CFG);
+	DUMPREG(MXR_GRAPHIC1_BASE);
+	DUMPREG(MXR_GRAPHIC1_SPAN);
+	DUMPREG(MXR_GRAPHIC1_WH);
+	DUMPREG(MXR_GRAPHIC1_SXY);
+	DUMPREG(MXR_GRAPHIC1_DXY);
+#undef DUMPREG
+}
+
+static void mxr_reg_vp_dump(struct mxr_device *mdev)
+{
+#define DUMPREG(reg_id) \
+do { \
+	mxr_dbg(mdev, #reg_id " = %08x\n", \
+		(u32) readl(mdev->res.vp_regs + reg_id)); \
+} while (0)
+
+
+	DUMPREG(VP_ENABLE);
+	DUMPREG(VP_SRESET);
+	DUMPREG(VP_SHADOW_UPDATE);
+	DUMPREG(VP_FIELD_ID);
+	DUMPREG(VP_MODE);
+	DUMPREG(VP_IMG_SIZE_Y);
+	DUMPREG(VP_IMG_SIZE_C);
+	DUMPREG(VP_PER_RATE_CTRL);
+	DUMPREG(VP_TOP_Y_PTR);
+	DUMPREG(VP_BOT_Y_PTR);
+	DUMPREG(VP_TOP_C_PTR);
+	DUMPREG(VP_BOT_C_PTR);
+	DUMPREG(VP_ENDIAN_MODE);
+	DUMPREG(VP_SRC_H_POSITION);
+	DUMPREG(VP_SRC_V_POSITION);
+	DUMPREG(VP_SRC_WIDTH);
+	DUMPREG(VP_SRC_HEIGHT);
+	DUMPREG(VP_DST_H_POSITION);
+	DUMPREG(VP_DST_V_POSITION);
+	DUMPREG(VP_DST_WIDTH);
+	DUMPREG(VP_DST_HEIGHT);
+	DUMPREG(VP_H_RATIO);
+	DUMPREG(VP_V_RATIO);
+
+#undef DUMPREG
+}
+
+void mxr_reg_dump(struct mxr_device *mdev)
+{
+	mxr_reg_mxr_dump(mdev);
+	mxr_reg_vp_dump(mdev);
+}
+
diff --git a/drivers/media/platform/s5p-tv/mixer_video.c b/drivers/media/platform/s5p-tv/mixer_video.c
new file mode 100644
index 000000000000..0c1cd895ff66
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/mixer_video.c
@@ -0,0 +1,1127 @@
+/*
+ * Samsung TV Mixer driver
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *
+ * Tomasz Stanislawski, <t.stanislaws@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation. either version 2 of the License,
+ * or (at your option) any later version
+ */
+
+#define pr_fmt(fmt) "s5p-tv (mixer): " fmt
+
+#include "mixer.h"
+
+#include <media/v4l2-ioctl.h>
+#include <linux/videodev2.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/timer.h>
+#include <media/videobuf2-dma-contig.h>
+
+static int find_reg_callback(struct device *dev, void *p)
+{
+	struct v4l2_subdev **sd = p;
+
+	*sd = dev_get_drvdata(dev);
+	/* non-zero value stops iteration */
+	return 1;
+}
+
+static struct v4l2_subdev *find_and_register_subdev(
+	struct mxr_device *mdev, char *module_name)
+{
+	struct device_driver *drv;
+	struct v4l2_subdev *sd = NULL;
+	int ret;
+
+	/* TODO: add waiting until probe is finished */
+	drv = driver_find(module_name, &platform_bus_type);
+	if (!drv) {
+		mxr_warn(mdev, "module %s is missing\n", module_name);
+		return NULL;
+	}
+	/* driver refcnt is increased, it is safe to iterate over devices */
+	ret = driver_for_each_device(drv, NULL, &sd, find_reg_callback);
+	/* ret == 0 means that find_reg_callback was never executed */
+	if (sd == NULL) {
+		mxr_warn(mdev, "module %s provides no subdev!\n", module_name);
+		goto done;
+	}
+	/* v4l2_device_register_subdev detects if sd is NULL */
+	ret = v4l2_device_register_subdev(&mdev->v4l2_dev, sd);
+	if (ret) {
+		mxr_warn(mdev, "failed to register subdev %s\n", sd->name);
+		sd = NULL;
+	}
+
+done:
+	return sd;
+}
+
+int __devinit mxr_acquire_video(struct mxr_device *mdev,
+	struct mxr_output_conf *output_conf, int output_count)
+{
+	struct device *dev = mdev->dev;
+	struct v4l2_device *v4l2_dev = &mdev->v4l2_dev;
+	int i;
+	int ret = 0;
+	struct v4l2_subdev *sd;
+
+	strlcpy(v4l2_dev->name, dev_name(mdev->dev), sizeof(v4l2_dev->name));
+	/* prepare context for V4L2 device */
+	ret = v4l2_device_register(dev, v4l2_dev);
+	if (ret) {
+		mxr_err(mdev, "could not register v4l2 device.\n");
+		goto fail;
+	}
+
+	mdev->alloc_ctx = vb2_dma_contig_init_ctx(mdev->dev);
+	if (IS_ERR_OR_NULL(mdev->alloc_ctx)) {
+		mxr_err(mdev, "could not acquire vb2 allocator\n");
+		goto fail_v4l2_dev;
+	}
+
+	/* registering outputs */
+	mdev->output_cnt = 0;
+	for (i = 0; i < output_count; ++i) {
+		struct mxr_output_conf *conf = &output_conf[i];
+		struct mxr_output *out;
+
+		sd = find_and_register_subdev(mdev, conf->module_name);
+		/* trying to register next output */
+		if (sd == NULL)
+			continue;
+		out = kzalloc(sizeof *out, GFP_KERNEL);
+		if (out == NULL) {
+			mxr_err(mdev, "no memory for '%s'\n",
+				conf->output_name);
+			ret = -ENOMEM;
+			/* registered subdevs are removed in fail_v4l2_dev */
+			goto fail_output;
+		}
+		strlcpy(out->name, conf->output_name, sizeof(out->name));
+		out->sd = sd;
+		out->cookie = conf->cookie;
+		mdev->output[mdev->output_cnt++] = out;
+		mxr_info(mdev, "added output '%s' from module '%s'\n",
+			conf->output_name, conf->module_name);
+		/* checking if maximal number of outputs is reached */
+		if (mdev->output_cnt >= MXR_MAX_OUTPUTS)
+			break;
+	}
+
+	if (mdev->output_cnt == 0) {
+		mxr_err(mdev, "failed to register any output\n");
+		ret = -ENODEV;
+		/* skipping fail_output because there is nothing to free */
+		goto fail_vb2_allocator;
+	}
+
+	return 0;
+
+fail_output:
+	/* kfree is NULL-safe */
+	for (i = 0; i < mdev->output_cnt; ++i)
+		kfree(mdev->output[i]);
+	memset(mdev->output, 0, sizeof mdev->output);
+
+fail_vb2_allocator:
+	/* freeing allocator context */
+	vb2_dma_contig_cleanup_ctx(mdev->alloc_ctx);
+
+fail_v4l2_dev:
+	/* NOTE: automatically unregister all subdevs */
+	v4l2_device_unregister(v4l2_dev);
+
+fail:
+	return ret;
+}
+
+void mxr_release_video(struct mxr_device *mdev)
+{
+	int i;
+
+	/* kfree is NULL-safe */
+	for (i = 0; i < mdev->output_cnt; ++i)
+		kfree(mdev->output[i]);
+
+	vb2_dma_contig_cleanup_ctx(mdev->alloc_ctx);
+	v4l2_device_unregister(&mdev->v4l2_dev);
+}
+
+static int mxr_querycap(struct file *file, void *priv,
+	struct v4l2_capability *cap)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+
+	mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
+
+	strlcpy(cap->driver, MXR_DRIVER_NAME, sizeof cap->driver);
+	strlcpy(cap->card, layer->vfd.name, sizeof cap->card);
+	sprintf(cap->bus_info, "%d", layer->idx);
+	cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_OUTPUT_MPLANE;
+	cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+
+	return 0;
+}
+
+static void mxr_geometry_dump(struct mxr_device *mdev, struct mxr_geometry *geo)
+{
+	mxr_dbg(mdev, "src.full_size = (%u, %u)\n",
+		geo->src.full_width, geo->src.full_height);
+	mxr_dbg(mdev, "src.size = (%u, %u)\n",
+		geo->src.width, geo->src.height);
+	mxr_dbg(mdev, "src.offset = (%u, %u)\n",
+		geo->src.x_offset, geo->src.y_offset);
+	mxr_dbg(mdev, "dst.full_size = (%u, %u)\n",
+		geo->dst.full_width, geo->dst.full_height);
+	mxr_dbg(mdev, "dst.size = (%u, %u)\n",
+		geo->dst.width, geo->dst.height);
+	mxr_dbg(mdev, "dst.offset = (%u, %u)\n",
+		geo->dst.x_offset, geo->dst.y_offset);
+	mxr_dbg(mdev, "ratio = (%u, %u)\n",
+		geo->x_ratio, geo->y_ratio);
+}
+
+static void mxr_layer_default_geo(struct mxr_layer *layer)
+{
+	struct mxr_device *mdev = layer->mdev;
+	struct v4l2_mbus_framefmt mbus_fmt;
+
+	memset(&layer->geo, 0, sizeof layer->geo);
+
+	mxr_get_mbus_fmt(mdev, &mbus_fmt);
+
+	layer->geo.dst.full_width = mbus_fmt.width;
+	layer->geo.dst.full_height = mbus_fmt.height;
+	layer->geo.dst.width = layer->geo.dst.full_width;
+	layer->geo.dst.height = layer->geo.dst.full_height;
+	layer->geo.dst.field = mbus_fmt.field;
+
+	layer->geo.src.full_width = mbus_fmt.width;
+	layer->geo.src.full_height = mbus_fmt.height;
+	layer->geo.src.width = layer->geo.src.full_width;
+	layer->geo.src.height = layer->geo.src.full_height;
+
+	mxr_geometry_dump(mdev, &layer->geo);
+	layer->ops.fix_geometry(layer, MXR_GEOMETRY_SINK, 0);
+	mxr_geometry_dump(mdev, &layer->geo);
+}
+
+static void mxr_layer_update_output(struct mxr_layer *layer)
+{
+	struct mxr_device *mdev = layer->mdev;
+	struct v4l2_mbus_framefmt mbus_fmt;
+
+	mxr_get_mbus_fmt(mdev, &mbus_fmt);
+	/* checking if update is needed */
+	if (layer->geo.dst.full_width == mbus_fmt.width &&
+		layer->geo.dst.full_height == mbus_fmt.width)
+		return;
+
+	layer->geo.dst.full_width = mbus_fmt.width;
+	layer->geo.dst.full_height = mbus_fmt.height;
+	layer->geo.dst.field = mbus_fmt.field;
+	layer->ops.fix_geometry(layer, MXR_GEOMETRY_SINK, 0);
+
+	mxr_geometry_dump(mdev, &layer->geo);
+}
+
+static const struct mxr_format *find_format_by_fourcc(
+	struct mxr_layer *layer, unsigned long fourcc);
+static const struct mxr_format *find_format_by_index(
+	struct mxr_layer *layer, unsigned long index);
+
+static int mxr_enum_fmt(struct file *file, void  *priv,
+	struct v4l2_fmtdesc *f)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	struct mxr_device *mdev = layer->mdev;
+	const struct mxr_format *fmt;
+
+	mxr_dbg(mdev, "%s\n", __func__);
+	fmt = find_format_by_index(layer, f->index);
+	if (fmt == NULL)
+		return -EINVAL;
+
+	strlcpy(f->description, fmt->name, sizeof(f->description));
+	f->pixelformat = fmt->fourcc;
+
+	return 0;
+}
+
+static unsigned int divup(unsigned int divident, unsigned int divisor)
+{
+	return (divident + divisor - 1) / divisor;
+}
+
+unsigned long mxr_get_plane_size(const struct mxr_block *blk,
+	unsigned int width, unsigned int height)
+{
+	unsigned int bl_width = divup(width, blk->width);
+	unsigned int bl_height = divup(height, blk->height);
+
+	return bl_width * bl_height * blk->size;
+}
+
+static void mxr_mplane_fill(struct v4l2_plane_pix_format *planes,
+	const struct mxr_format *fmt, u32 width, u32 height)
+{
+	int i;
+
+	/* checking if nothing to fill */
+	if (!planes)
+		return;
+
+	memset(planes, 0, sizeof(*planes) * fmt->num_subframes);
+	for (i = 0; i < fmt->num_planes; ++i) {
+		struct v4l2_plane_pix_format *plane = planes
+			+ fmt->plane2subframe[i];
+		const struct mxr_block *blk = &fmt->plane[i];
+		u32 bl_width = divup(width, blk->width);
+		u32 bl_height = divup(height, blk->height);
+		u32 sizeimage = bl_width * bl_height * blk->size;
+		u16 bytesperline = bl_width * blk->size / blk->height;
+
+		plane->sizeimage += sizeimage;
+		plane->bytesperline = max(plane->bytesperline, bytesperline);
+	}
+}
+
+static int mxr_g_fmt(struct file *file, void *priv,
+			     struct v4l2_format *f)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
+
+	mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
+
+	pix->width = layer->geo.src.full_width;
+	pix->height = layer->geo.src.full_height;
+	pix->field = V4L2_FIELD_NONE;
+	pix->pixelformat = layer->fmt->fourcc;
+	pix->colorspace = layer->fmt->colorspace;
+	mxr_mplane_fill(pix->plane_fmt, layer->fmt, pix->width, pix->height);
+
+	return 0;
+}
+
+static int mxr_s_fmt(struct file *file, void *priv,
+	struct v4l2_format *f)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	const struct mxr_format *fmt;
+	struct v4l2_pix_format_mplane *pix;
+	struct mxr_device *mdev = layer->mdev;
+	struct mxr_geometry *geo = &layer->geo;
+
+	mxr_dbg(mdev, "%s:%d\n", __func__, __LINE__);
+
+	pix = &f->fmt.pix_mp;
+	fmt = find_format_by_fourcc(layer, pix->pixelformat);
+	if (fmt == NULL) {
+		mxr_warn(mdev, "not recognized fourcc: %08x\n",
+			pix->pixelformat);
+		return -EINVAL;
+	}
+	layer->fmt = fmt;
+	/* set source size to highest accepted value */
+	geo->src.full_width = max(geo->dst.full_width, pix->width);
+	geo->src.full_height = max(geo->dst.full_height, pix->height);
+	layer->ops.fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0);
+	mxr_geometry_dump(mdev, &layer->geo);
+	/* set cropping to total visible screen */
+	geo->src.width = pix->width;
+	geo->src.height = pix->height;
+	geo->src.x_offset = 0;
+	geo->src.y_offset = 0;
+	/* assure consistency of geometry */
+	layer->ops.fix_geometry(layer, MXR_GEOMETRY_CROP, MXR_NO_OFFSET);
+	mxr_geometry_dump(mdev, &layer->geo);
+	/* set full size to lowest possible value */
+	geo->src.full_width = 0;
+	geo->src.full_height = 0;
+	layer->ops.fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0);
+	mxr_geometry_dump(mdev, &layer->geo);
+
+	/* returning results */
+	mxr_g_fmt(file, priv, f);
+
+	return 0;
+}
+
+static int mxr_g_selection(struct file *file, void *fh,
+	struct v4l2_selection *s)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	struct mxr_geometry *geo = &layer->geo;
+
+	mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
+
+	if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
+		s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+		return -EINVAL;
+
+	switch (s->target) {
+	case V4L2_SEL_TGT_CROP:
+		s->r.left = geo->src.x_offset;
+		s->r.top = geo->src.y_offset;
+		s->r.width = geo->src.width;
+		s->r.height = geo->src.height;
+		break;
+	case V4L2_SEL_TGT_CROP_DEFAULT:
+	case V4L2_SEL_TGT_CROP_BOUNDS:
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = geo->src.full_width;
+		s->r.height = geo->src.full_height;
+		break;
+	case V4L2_SEL_TGT_COMPOSE:
+	case V4L2_SEL_TGT_COMPOSE_PADDED:
+		s->r.left = geo->dst.x_offset;
+		s->r.top = geo->dst.y_offset;
+		s->r.width = geo->dst.width;
+		s->r.height = geo->dst.height;
+		break;
+	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+		s->r.left = 0;
+		s->r.top = 0;
+		s->r.width = geo->dst.full_width;
+		s->r.height = geo->dst.full_height;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/* returns 1 if rectangle 'a' is inside 'b' */
+static int mxr_is_rect_inside(struct v4l2_rect *a, struct v4l2_rect *b)
+{
+	if (a->left < b->left)
+		return 0;
+	if (a->top < b->top)
+		return 0;
+	if (a->left + a->width > b->left + b->width)
+		return 0;
+	if (a->top + a->height > b->top + b->height)
+		return 0;
+	return 1;
+}
+
+static int mxr_s_selection(struct file *file, void *fh,
+	struct v4l2_selection *s)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	struct mxr_geometry *geo = &layer->geo;
+	struct mxr_crop *target = NULL;
+	enum mxr_geometry_stage stage;
+	struct mxr_geometry tmp;
+	struct v4l2_rect res;
+
+	memset(&res, 0, sizeof res);
+
+	mxr_dbg(layer->mdev, "%s: rect: %dx%d@%d,%d\n", __func__,
+		s->r.width, s->r.height, s->r.left, s->r.top);
+
+	if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
+		s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+		return -EINVAL;
+
+	switch (s->target) {
+	/* ignore read-only targets */
+	case V4L2_SEL_TGT_CROP_DEFAULT:
+	case V4L2_SEL_TGT_CROP_BOUNDS:
+		res.width = geo->src.full_width;
+		res.height = geo->src.full_height;
+		break;
+
+	/* ignore read-only targets */
+	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+		res.width = geo->dst.full_width;
+		res.height = geo->dst.full_height;
+		break;
+
+	case V4L2_SEL_TGT_CROP:
+		target = &geo->src;
+		stage = MXR_GEOMETRY_CROP;
+		break;
+	case V4L2_SEL_TGT_COMPOSE:
+	case V4L2_SEL_TGT_COMPOSE_PADDED:
+		target = &geo->dst;
+		stage = MXR_GEOMETRY_COMPOSE;
+		break;
+	default:
+		return -EINVAL;
+	}
+	/* apply change and update geometry if needed */
+	if (target) {
+		/* backup current geometry if setup fails */
+		memcpy(&tmp, geo, sizeof tmp);
+
+		/* apply requested selection */
+		target->x_offset = s->r.left;
+		target->y_offset = s->r.top;
+		target->width = s->r.width;
+		target->height = s->r.height;
+
+		layer->ops.fix_geometry(layer, stage, s->flags);
+
+		/* retrieve update selection rectangle */
+		res.left = target->x_offset;
+		res.top = target->y_offset;
+		res.width = target->width;
+		res.height = target->height;
+
+		mxr_geometry_dump(layer->mdev, &layer->geo);
+	}
+
+	/* checking if the rectangle satisfies constraints */
+	if ((s->flags & V4L2_SEL_FLAG_LE) && !mxr_is_rect_inside(&res, &s->r))
+		goto fail;
+	if ((s->flags & V4L2_SEL_FLAG_GE) && !mxr_is_rect_inside(&s->r, &res))
+		goto fail;
+
+	/* return result rectangle */
+	s->r = res;
+
+	return 0;
+fail:
+	/* restore old geometry, which is not touched if target is NULL */
+	if (target)
+		memcpy(geo, &tmp, sizeof tmp);
+	return -ERANGE;
+}
+
+static int mxr_enum_dv_presets(struct file *file, void *fh,
+	struct v4l2_dv_enum_preset *preset)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	struct mxr_device *mdev = layer->mdev;
+	int ret;
+
+	/* lock protects from changing sd_out */
+	mutex_lock(&mdev->mutex);
+	ret = v4l2_subdev_call(to_outsd(mdev), video, enum_dv_presets, preset);
+	mutex_unlock(&mdev->mutex);
+
+	return ret ? -EINVAL : 0;
+}
+
+static int mxr_s_dv_preset(struct file *file, void *fh,
+	struct v4l2_dv_preset *preset)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	struct mxr_device *mdev = layer->mdev;
+	int ret;
+
+	/* lock protects from changing sd_out */
+	mutex_lock(&mdev->mutex);
+
+	/* preset change cannot be done while there is an entity
+	 * dependant on output configuration
+	 */
+	if (mdev->n_output > 0) {
+		mutex_unlock(&mdev->mutex);
+		return -EBUSY;
+	}
+
+	ret = v4l2_subdev_call(to_outsd(mdev), video, s_dv_preset, preset);
+
+	mutex_unlock(&mdev->mutex);
+
+	mxr_layer_update_output(layer);
+
+	/* any failure should return EINVAL according to V4L2 doc */
+	return ret ? -EINVAL : 0;
+}
+
+static int mxr_g_dv_preset(struct file *file, void *fh,
+	struct v4l2_dv_preset *preset)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	struct mxr_device *mdev = layer->mdev;
+	int ret;
+
+	/* lock protects from changing sd_out */
+	mutex_lock(&mdev->mutex);
+	ret = v4l2_subdev_call(to_outsd(mdev), video, g_dv_preset, preset);
+	mutex_unlock(&mdev->mutex);
+
+	return ret ? -EINVAL : 0;
+}
+
+static int mxr_s_std(struct file *file, void *fh, v4l2_std_id *norm)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	struct mxr_device *mdev = layer->mdev;
+	int ret;
+
+	/* lock protects from changing sd_out */
+	mutex_lock(&mdev->mutex);
+
+	/* standard change cannot be done while there is an entity
+	 * dependant on output configuration
+	 */
+	if (mdev->n_output > 0) {
+		mutex_unlock(&mdev->mutex);
+		return -EBUSY;
+	}
+
+	ret = v4l2_subdev_call(to_outsd(mdev), video, s_std_output, *norm);
+
+	mutex_unlock(&mdev->mutex);
+
+	mxr_layer_update_output(layer);
+
+	return ret ? -EINVAL : 0;
+}
+
+static int mxr_g_std(struct file *file, void *fh, v4l2_std_id *norm)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	struct mxr_device *mdev = layer->mdev;
+	int ret;
+
+	/* lock protects from changing sd_out */
+	mutex_lock(&mdev->mutex);
+	ret = v4l2_subdev_call(to_outsd(mdev), video, g_std_output, norm);
+	mutex_unlock(&mdev->mutex);
+
+	return ret ? -EINVAL : 0;
+}
+
+static int mxr_enum_output(struct file *file, void *fh, struct v4l2_output *a)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	struct mxr_device *mdev = layer->mdev;
+	struct mxr_output *out;
+	struct v4l2_subdev *sd;
+
+	if (a->index >= mdev->output_cnt)
+		return -EINVAL;
+	out = mdev->output[a->index];
+	BUG_ON(out == NULL);
+	sd = out->sd;
+	strlcpy(a->name, out->name, sizeof(a->name));
+
+	/* try to obtain supported tv norms */
+	v4l2_subdev_call(sd, video, g_tvnorms_output, &a->std);
+	a->capabilities = 0;
+	if (sd->ops->video && sd->ops->video->s_dv_preset)
+		a->capabilities |= V4L2_OUT_CAP_PRESETS;
+	if (sd->ops->video && sd->ops->video->s_std_output)
+		a->capabilities |= V4L2_OUT_CAP_STD;
+	a->type = V4L2_OUTPUT_TYPE_ANALOG;
+
+	return 0;
+}
+
+static int mxr_s_output(struct file *file, void *fh, unsigned int i)
+{
+	struct video_device *vfd = video_devdata(file);
+	struct mxr_layer *layer = video_drvdata(file);
+	struct mxr_device *mdev = layer->mdev;
+
+	if (i >= mdev->output_cnt || mdev->output[i] == NULL)
+		return -EINVAL;
+
+	mutex_lock(&mdev->mutex);
+	if (mdev->n_output > 0) {
+		mutex_unlock(&mdev->mutex);
+		return -EBUSY;
+	}
+	mdev->current_output = i;
+	vfd->tvnorms = 0;
+	v4l2_subdev_call(to_outsd(mdev), video, g_tvnorms_output,
+		&vfd->tvnorms);
+	mutex_unlock(&mdev->mutex);
+
+	/* update layers geometry */
+	mxr_layer_update_output(layer);
+
+	mxr_dbg(mdev, "tvnorms = %08llx\n", vfd->tvnorms);
+
+	return 0;
+}
+
+static int mxr_g_output(struct file *file, void *fh, unsigned int *p)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	struct mxr_device *mdev = layer->mdev;
+
+	mutex_lock(&mdev->mutex);
+	*p = mdev->current_output;
+	mutex_unlock(&mdev->mutex);
+
+	return 0;
+}
+
+static int mxr_reqbufs(struct file *file, void *priv,
+			  struct v4l2_requestbuffers *p)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+
+	mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
+	return vb2_reqbufs(&layer->vb_queue, p);
+}
+
+static int mxr_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+
+	mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
+	return vb2_querybuf(&layer->vb_queue, p);
+}
+
+static int mxr_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+
+	mxr_dbg(layer->mdev, "%s:%d(%d)\n", __func__, __LINE__, p->index);
+	return vb2_qbuf(&layer->vb_queue, p);
+}
+
+static int mxr_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+
+	mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
+	return vb2_dqbuf(&layer->vb_queue, p, file->f_flags & O_NONBLOCK);
+}
+
+static int mxr_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+
+	mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
+	return vb2_streamon(&layer->vb_queue, i);
+}
+
+static int mxr_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+
+	mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
+	return vb2_streamoff(&layer->vb_queue, i);
+}
+
+static const struct v4l2_ioctl_ops mxr_ioctl_ops = {
+	.vidioc_querycap = mxr_querycap,
+	/* format handling */
+	.vidioc_enum_fmt_vid_out_mplane = mxr_enum_fmt,
+	.vidioc_s_fmt_vid_out_mplane = mxr_s_fmt,
+	.vidioc_g_fmt_vid_out_mplane = mxr_g_fmt,
+	/* buffer control */
+	.vidioc_reqbufs = mxr_reqbufs,
+	.vidioc_querybuf = mxr_querybuf,
+	.vidioc_qbuf = mxr_qbuf,
+	.vidioc_dqbuf = mxr_dqbuf,
+	/* Streaming control */
+	.vidioc_streamon = mxr_streamon,
+	.vidioc_streamoff = mxr_streamoff,
+	/* Preset functions */
+	.vidioc_enum_dv_presets = mxr_enum_dv_presets,
+	.vidioc_s_dv_preset = mxr_s_dv_preset,
+	.vidioc_g_dv_preset = mxr_g_dv_preset,
+	/* analog TV standard functions */
+	.vidioc_s_std = mxr_s_std,
+	.vidioc_g_std = mxr_g_std,
+	/* Output handling */
+	.vidioc_enum_output = mxr_enum_output,
+	.vidioc_s_output = mxr_s_output,
+	.vidioc_g_output = mxr_g_output,
+	/* selection ioctls */
+	.vidioc_g_selection = mxr_g_selection,
+	.vidioc_s_selection = mxr_s_selection,
+};
+
+static int mxr_video_open(struct file *file)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	struct mxr_device *mdev = layer->mdev;
+	int ret = 0;
+
+	mxr_dbg(mdev, "%s:%d\n", __func__, __LINE__);
+	if (mutex_lock_interruptible(&layer->mutex))
+		return -ERESTARTSYS;
+	/* assure device probe is finished */
+	wait_for_device_probe();
+	/* creating context for file descriptor */
+	ret = v4l2_fh_open(file);
+	if (ret) {
+		mxr_err(mdev, "v4l2_fh_open failed\n");
+		goto unlock;
+	}
+
+	/* leaving if layer is already initialized */
+	if (!v4l2_fh_is_singular_file(file))
+		goto unlock;
+
+	/* FIXME: should power be enabled on open? */
+	ret = mxr_power_get(mdev);
+	if (ret) {
+		mxr_err(mdev, "power on failed\n");
+		goto fail_fh_open;
+	}
+
+	ret = vb2_queue_init(&layer->vb_queue);
+	if (ret != 0) {
+		mxr_err(mdev, "failed to initialize vb2 queue\n");
+		goto fail_power;
+	}
+	/* set default format, first on the list */
+	layer->fmt = layer->fmt_array[0];
+	/* setup default geometry */
+	mxr_layer_default_geo(layer);
+	mutex_unlock(&layer->mutex);
+
+	return 0;
+
+fail_power:
+	mxr_power_put(mdev);
+
+fail_fh_open:
+	v4l2_fh_release(file);
+
+unlock:
+	mutex_unlock(&layer->mutex);
+
+	return ret;
+}
+
+static unsigned int
+mxr_video_poll(struct file *file, struct poll_table_struct *wait)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	unsigned int res;
+
+	mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
+
+	mutex_lock(&layer->mutex);
+	res = vb2_poll(&layer->vb_queue, file, wait);
+	mutex_unlock(&layer->mutex);
+	return res;
+}
+
+static int mxr_video_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+	int ret;
+
+	mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
+
+	if (mutex_lock_interruptible(&layer->mutex))
+		return -ERESTARTSYS;
+	ret = vb2_mmap(&layer->vb_queue, vma);
+	mutex_unlock(&layer->mutex);
+	return ret;
+}
+
+static int mxr_video_release(struct file *file)
+{
+	struct mxr_layer *layer = video_drvdata(file);
+
+	mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__);
+	mutex_lock(&layer->mutex);
+	if (v4l2_fh_is_singular_file(file)) {
+		vb2_queue_release(&layer->vb_queue);
+		mxr_power_put(layer->mdev);
+	}
+	v4l2_fh_release(file);
+	mutex_unlock(&layer->mutex);
+	return 0;
+}
+
+static const struct v4l2_file_operations mxr_fops = {
+	.owner = THIS_MODULE,
+	.open = mxr_video_open,
+	.poll = mxr_video_poll,
+	.mmap = mxr_video_mmap,
+	.release = mxr_video_release,
+	.unlocked_ioctl = video_ioctl2,
+};
+
+static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *pfmt,
+	unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[],
+	void *alloc_ctxs[])
+{
+	struct mxr_layer *layer = vb2_get_drv_priv(vq);
+	const struct mxr_format *fmt = layer->fmt;
+	int i;
+	struct mxr_device *mdev = layer->mdev;
+	struct v4l2_plane_pix_format planes[3];
+
+	mxr_dbg(mdev, "%s\n", __func__);
+	/* checking if format was configured */
+	if (fmt == NULL)
+		return -EINVAL;
+	mxr_dbg(mdev, "fmt = %s\n", fmt->name);
+	mxr_mplane_fill(planes, fmt, layer->geo.src.full_width,
+		layer->geo.src.full_height);
+
+	*nplanes = fmt->num_subframes;
+	for (i = 0; i < fmt->num_subframes; ++i) {
+		alloc_ctxs[i] = layer->mdev->alloc_ctx;
+		sizes[i] = planes[i].sizeimage;
+		mxr_dbg(mdev, "size[%d] = %08x\n", i, sizes[i]);
+	}
+
+	if (*nbuffers == 0)
+		*nbuffers = 1;
+
+	return 0;
+}
+
+static void buf_queue(struct vb2_buffer *vb)
+{
+	struct mxr_buffer *buffer = container_of(vb, struct mxr_buffer, vb);
+	struct mxr_layer *layer = vb2_get_drv_priv(vb->vb2_queue);
+	struct mxr_device *mdev = layer->mdev;
+	unsigned long flags;
+
+	spin_lock_irqsave(&layer->enq_slock, flags);
+	list_add_tail(&buffer->list, &layer->enq_list);
+	spin_unlock_irqrestore(&layer->enq_slock, flags);
+
+	mxr_dbg(mdev, "queuing buffer\n");
+}
+
+static void wait_lock(struct vb2_queue *vq)
+{
+	struct mxr_layer *layer = vb2_get_drv_priv(vq);
+
+	mxr_dbg(layer->mdev, "%s\n", __func__);
+	mutex_lock(&layer->mutex);
+}
+
+static void wait_unlock(struct vb2_queue *vq)
+{
+	struct mxr_layer *layer = vb2_get_drv_priv(vq);
+
+	mxr_dbg(layer->mdev, "%s\n", __func__);
+	mutex_unlock(&layer->mutex);
+}
+
+static int start_streaming(struct vb2_queue *vq, unsigned int count)
+{
+	struct mxr_layer *layer = vb2_get_drv_priv(vq);
+	struct mxr_device *mdev = layer->mdev;
+	unsigned long flags;
+
+	mxr_dbg(mdev, "%s\n", __func__);
+
+	if (count == 0) {
+		mxr_dbg(mdev, "no output buffers queued\n");
+		return -EINVAL;
+	}
+
+	/* block any changes in output configuration */
+	mxr_output_get(mdev);
+
+	mxr_layer_update_output(layer);
+	layer->ops.format_set(layer);
+	/* enabling layer in hardware */
+	spin_lock_irqsave(&layer->enq_slock, flags);
+	layer->state = MXR_LAYER_STREAMING;
+	spin_unlock_irqrestore(&layer->enq_slock, flags);
+
+	layer->ops.stream_set(layer, MXR_ENABLE);
+	mxr_streamer_get(mdev);
+
+	return 0;
+}
+
+static void mxr_watchdog(unsigned long arg)
+{
+	struct mxr_layer *layer = (struct mxr_layer *) arg;
+	struct mxr_device *mdev = layer->mdev;
+	unsigned long flags;
+
+	mxr_err(mdev, "watchdog fired for layer %s\n", layer->vfd.name);
+
+	spin_lock_irqsave(&layer->enq_slock, flags);
+
+	if (layer->update_buf == layer->shadow_buf)
+		layer->update_buf = NULL;
+	if (layer->update_buf) {
+		vb2_buffer_done(&layer->update_buf->vb, VB2_BUF_STATE_ERROR);
+		layer->update_buf = NULL;
+	}
+	if (layer->shadow_buf) {
+		vb2_buffer_done(&layer->shadow_buf->vb, VB2_BUF_STATE_ERROR);
+		layer->shadow_buf = NULL;
+	}
+	spin_unlock_irqrestore(&layer->enq_slock, flags);
+}
+
+static int stop_streaming(struct vb2_queue *vq)
+{
+	struct mxr_layer *layer = vb2_get_drv_priv(vq);
+	struct mxr_device *mdev = layer->mdev;
+	unsigned long flags;
+	struct timer_list watchdog;
+	struct mxr_buffer *buf, *buf_tmp;
+
+	mxr_dbg(mdev, "%s\n", __func__);
+
+	spin_lock_irqsave(&layer->enq_slock, flags);
+
+	/* reset list */
+	layer->state = MXR_LAYER_STREAMING_FINISH;
+
+	/* set all buffer to be done */
+	list_for_each_entry_safe(buf, buf_tmp, &layer->enq_list, list) {
+		list_del(&buf->list);
+		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+	}
+
+	spin_unlock_irqrestore(&layer->enq_slock, flags);
+
+	/* give 1 seconds to complete to complete last buffers */
+	setup_timer_on_stack(&watchdog, mxr_watchdog,
+		(unsigned long)layer);
+	mod_timer(&watchdog, jiffies + msecs_to_jiffies(1000));
+
+	/* wait until all buffers are goes to done state */
+	vb2_wait_for_all_buffers(vq);
+
+	/* stop timer if all synchronization is done */
+	del_timer_sync(&watchdog);
+	destroy_timer_on_stack(&watchdog);
+
+	/* stopping hardware */
+	spin_lock_irqsave(&layer->enq_slock, flags);
+	layer->state = MXR_LAYER_IDLE;
+	spin_unlock_irqrestore(&layer->enq_slock, flags);
+
+	/* disabling layer in hardware */
+	layer->ops.stream_set(layer, MXR_DISABLE);
+	/* remove one streamer */
+	mxr_streamer_put(mdev);
+	/* allow changes in output configuration */
+	mxr_output_put(mdev);
+	return 0;
+}
+
+static struct vb2_ops mxr_video_qops = {
+	.queue_setup = queue_setup,
+	.buf_queue = buf_queue,
+	.wait_prepare = wait_unlock,
+	.wait_finish = wait_lock,
+	.start_streaming = start_streaming,
+	.stop_streaming = stop_streaming,
+};
+
+/* FIXME: try to put this functions to mxr_base_layer_create */
+int mxr_base_layer_register(struct mxr_layer *layer)
+{
+	struct mxr_device *mdev = layer->mdev;
+	int ret;
+
+	ret = video_register_device(&layer->vfd, VFL_TYPE_GRABBER, -1);
+	if (ret)
+		mxr_err(mdev, "failed to register video device\n");
+	else
+		mxr_info(mdev, "registered layer %s as /dev/video%d\n",
+			layer->vfd.name, layer->vfd.num);
+	return ret;
+}
+
+void mxr_base_layer_unregister(struct mxr_layer *layer)
+{
+	video_unregister_device(&layer->vfd);
+}
+
+void mxr_layer_release(struct mxr_layer *layer)
+{
+	if (layer->ops.release)
+		layer->ops.release(layer);
+}
+
+void mxr_base_layer_release(struct mxr_layer *layer)
+{
+	kfree(layer);
+}
+
+static void mxr_vfd_release(struct video_device *vdev)
+{
+	pr_info("video device release\n");
+}
+
+struct mxr_layer *mxr_base_layer_create(struct mxr_device *mdev,
+	int idx, char *name, struct mxr_layer_ops *ops)
+{
+	struct mxr_layer *layer;
+
+	layer = kzalloc(sizeof *layer, GFP_KERNEL);
+	if (layer == NULL) {
+		mxr_err(mdev, "not enough memory for layer.\n");
+		goto fail;
+	}
+
+	layer->mdev = mdev;
+	layer->idx = idx;
+	layer->ops = *ops;
+
+	spin_lock_init(&layer->enq_slock);
+	INIT_LIST_HEAD(&layer->enq_list);
+	mutex_init(&layer->mutex);
+
+	layer->vfd = (struct video_device) {
+		.minor = -1,
+		.release = mxr_vfd_release,
+		.fops = &mxr_fops,
+		.vfl_dir = VFL_DIR_TX,
+		.ioctl_ops = &mxr_ioctl_ops,
+	};
+	strlcpy(layer->vfd.name, name, sizeof(layer->vfd.name));
+	/* let framework control PRIORITY */
+	set_bit(V4L2_FL_USE_FH_PRIO, &layer->vfd.flags);
+
+	video_set_drvdata(&layer->vfd, layer);
+	layer->vfd.lock = &layer->mutex;
+	layer->vfd.v4l2_dev = &mdev->v4l2_dev;
+
+	layer->vb_queue = (struct vb2_queue) {
+		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+		.io_modes = VB2_MMAP | VB2_USERPTR,
+		.drv_priv = layer,
+		.buf_struct_size = sizeof(struct mxr_buffer),
+		.ops = &mxr_video_qops,
+		.mem_ops = &vb2_dma_contig_memops,
+	};
+
+	return layer;
+
+fail:
+	return NULL;
+}
+
+static const struct mxr_format *find_format_by_fourcc(
+	struct mxr_layer *layer, unsigned long fourcc)
+{
+	int i;
+
+	for (i = 0; i < layer->fmt_array_size; ++i)
+		if (layer->fmt_array[i]->fourcc == fourcc)
+			return layer->fmt_array[i];
+	return NULL;
+}
+
+static const struct mxr_format *find_format_by_index(
+	struct mxr_layer *layer, unsigned long index)
+{
+	if (index >= layer->fmt_array_size)
+		return NULL;
+	return layer->fmt_array[index];
+}
+
diff --git a/drivers/media/platform/s5p-tv/mixer_vp_layer.c b/drivers/media/platform/s5p-tv/mixer_vp_layer.c
new file mode 100644
index 000000000000..3d13a636877b
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/mixer_vp_layer.c
@@ -0,0 +1,241 @@
+/*
+ * Samsung TV Mixer driver
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *
+ * Tomasz Stanislawski, <t.stanislaws@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundiation. either version 2 of the License,
+ * or (at your option) any later version
+ */
+
+#include "mixer.h"
+
+#include "regs-vp.h"
+
+#include <media/videobuf2-dma-contig.h>
+
+/* FORMAT DEFINITIONS */
+static const struct mxr_format mxr_fmt_nv12 = {
+	.name = "NV12",
+	.fourcc = V4L2_PIX_FMT_NV12,
+	.colorspace = V4L2_COLORSPACE_JPEG,
+	.num_planes = 2,
+	.plane = {
+		{ .width = 1, .height = 1, .size = 1 },
+		{ .width = 2, .height = 2, .size = 2 },
+	},
+	.num_subframes = 1,
+	.cookie = VP_MODE_NV12 | VP_MODE_MEM_LINEAR,
+};
+
+static const struct mxr_format mxr_fmt_nv21 = {
+	.name = "NV21",
+	.fourcc = V4L2_PIX_FMT_NV21,
+	.colorspace = V4L2_COLORSPACE_JPEG,
+	.num_planes = 2,
+	.plane = {
+		{ .width = 1, .height = 1, .size = 1 },
+		{ .width = 2, .height = 2, .size = 2 },
+	},
+	.num_subframes = 1,
+	.cookie = VP_MODE_NV21 | VP_MODE_MEM_LINEAR,
+};
+
+static const struct mxr_format mxr_fmt_nv12m = {
+	.name = "NV12 (mplane)",
+	.fourcc = V4L2_PIX_FMT_NV12M,
+	.colorspace = V4L2_COLORSPACE_JPEG,
+	.num_planes = 2,
+	.plane = {
+		{ .width = 1, .height = 1, .size = 1 },
+		{ .width = 2, .height = 2, .size = 2 },
+	},
+	.num_subframes = 2,
+	.plane2subframe = {0, 1},
+	.cookie = VP_MODE_NV12 | VP_MODE_MEM_LINEAR,
+};
+
+static const struct mxr_format mxr_fmt_nv12mt = {
+	.name = "NV12 tiled (mplane)",
+	.fourcc = V4L2_PIX_FMT_NV12MT,
+	.colorspace = V4L2_COLORSPACE_JPEG,
+	.num_planes = 2,
+	.plane = {
+		{ .width = 128, .height = 32, .size = 4096 },
+		{ .width = 128, .height = 32, .size = 2048 },
+	},
+	.num_subframes = 2,
+	.plane2subframe = {0, 1},
+	.cookie = VP_MODE_NV12 | VP_MODE_MEM_TILED,
+};
+
+static const struct mxr_format *mxr_video_format[] = {
+	&mxr_fmt_nv12,
+	&mxr_fmt_nv21,
+	&mxr_fmt_nv12m,
+	&mxr_fmt_nv12mt,
+};
+
+/* AUXILIARY CALLBACKS */
+
+static void mxr_vp_layer_release(struct mxr_layer *layer)
+{
+	mxr_base_layer_unregister(layer);
+	mxr_base_layer_release(layer);
+}
+
+static void mxr_vp_buffer_set(struct mxr_layer *layer,
+	struct mxr_buffer *buf)
+{
+	dma_addr_t luma_addr[2] = {0, 0};
+	dma_addr_t chroma_addr[2] = {0, 0};
+
+	if (buf == NULL) {
+		mxr_reg_vp_buffer(layer->mdev, luma_addr, chroma_addr);
+		return;
+	}
+	luma_addr[0] = vb2_dma_contig_plane_dma_addr(&buf->vb, 0);
+	if (layer->fmt->num_subframes == 2) {
+		chroma_addr[0] = vb2_dma_contig_plane_dma_addr(&buf->vb, 1);
+	} else {
+		/* FIXME: mxr_get_plane_size compute integer division,
+		 * which is slow and should not be performed in interrupt */
+		chroma_addr[0] = luma_addr[0] + mxr_get_plane_size(
+			&layer->fmt->plane[0], layer->geo.src.full_width,
+			layer->geo.src.full_height);
+	}
+	if (layer->fmt->cookie & VP_MODE_MEM_TILED) {
+		luma_addr[1] = luma_addr[0] + 0x40;
+		chroma_addr[1] = chroma_addr[0] + 0x40;
+	} else {
+		luma_addr[1] = luma_addr[0] + layer->geo.src.full_width;
+		chroma_addr[1] = chroma_addr[0];
+	}
+	mxr_reg_vp_buffer(layer->mdev, luma_addr, chroma_addr);
+}
+
+static void mxr_vp_stream_set(struct mxr_layer *layer, int en)
+{
+	mxr_reg_vp_layer_stream(layer->mdev, en);
+}
+
+static void mxr_vp_format_set(struct mxr_layer *layer)
+{
+	mxr_reg_vp_format(layer->mdev, layer->fmt, &layer->geo);
+}
+
+static inline unsigned int do_center(unsigned int center,
+	unsigned int size, unsigned int upper, unsigned int flags)
+{
+	unsigned int lower;
+
+	if (flags & MXR_NO_OFFSET)
+		return 0;
+
+	lower = center - min(center, size / 2);
+	return min(lower, upper - size);
+}
+
+static void mxr_vp_fix_geometry(struct mxr_layer *layer,
+	enum mxr_geometry_stage stage, unsigned long flags)
+{
+	struct mxr_geometry *geo = &layer->geo;
+	struct mxr_crop *src = &geo->src;
+	struct mxr_crop *dst = &geo->dst;
+	unsigned long x_center, y_center;
+
+	switch (stage) {
+
+	case MXR_GEOMETRY_SINK: /* nothing to be fixed here */
+	case MXR_GEOMETRY_COMPOSE:
+		/* remember center of the area */
+		x_center = dst->x_offset + dst->width / 2;
+		y_center = dst->y_offset + dst->height / 2;
+
+		/* ensure that compose is reachable using 16x scaling */
+		dst->width = clamp(dst->width, 8U, 16 * src->full_width);
+		dst->height = clamp(dst->height, 1U, 16 * src->full_height);
+
+		/* setup offsets */
+		dst->x_offset = do_center(x_center, dst->width,
+			dst->full_width, flags);
+		dst->y_offset = do_center(y_center, dst->height,
+			dst->full_height, flags);
+		flags = 0; /* remove possible MXR_NO_OFFSET flag */
+		/* fall through */
+	case MXR_GEOMETRY_CROP:
+		/* remember center of the area */
+		x_center = src->x_offset + src->width / 2;
+		y_center = src->y_offset + src->height / 2;
+
+		/* ensure scaling is between 0.25x .. 16x */
+		src->width = clamp(src->width, round_up(dst->width / 16, 4),
+			dst->width * 4);
+		src->height = clamp(src->height, round_up(dst->height / 16, 4),
+			dst->height * 4);
+
+		/* hardware limits */
+		src->width = clamp(src->width, 32U, 2047U);
+		src->height = clamp(src->height, 4U, 2047U);
+
+		/* setup offsets */
+		src->x_offset = do_center(x_center, src->width,
+			src->full_width, flags);
+		src->y_offset = do_center(y_center, src->height,
+			src->full_height, flags);
+
+		/* setting scaling ratio */
+		geo->x_ratio = (src->width << 16) / dst->width;
+		geo->y_ratio = (src->height << 16) / dst->height;
+		/* fall through */
+
+	case MXR_GEOMETRY_SOURCE:
+		src->full_width = clamp(src->full_width,
+			ALIGN(src->width + src->x_offset, 8), 8192U);
+		src->full_height = clamp(src->full_height,
+			src->height + src->y_offset, 8192U);
+	};
+}
+
+/* PUBLIC API */
+
+struct mxr_layer *mxr_vp_layer_create(struct mxr_device *mdev, int idx)
+{
+	struct mxr_layer *layer;
+	int ret;
+	struct mxr_layer_ops ops = {
+		.release = mxr_vp_layer_release,
+		.buffer_set = mxr_vp_buffer_set,
+		.stream_set = mxr_vp_stream_set,
+		.format_set = mxr_vp_format_set,
+		.fix_geometry = mxr_vp_fix_geometry,
+	};
+	char name[32];
+
+	sprintf(name, "video%d", idx);
+
+	layer = mxr_base_layer_create(mdev, idx, name, &ops);
+	if (layer == NULL) {
+		mxr_err(mdev, "failed to initialize layer(%d) base\n", idx);
+		goto fail;
+	}
+
+	layer->fmt_array = mxr_video_format;
+	layer->fmt_array_size = ARRAY_SIZE(mxr_video_format);
+
+	ret = mxr_base_layer_register(layer);
+	if (ret)
+		goto fail_layer;
+
+	return layer;
+
+fail_layer:
+	mxr_base_layer_release(layer);
+
+fail:
+	return NULL;
+}
+
diff --git a/drivers/media/platform/s5p-tv/regs-hdmi.h b/drivers/media/platform/s5p-tv/regs-hdmi.h
new file mode 100644
index 000000000000..a889d1f57f28
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/regs-hdmi.h
@@ -0,0 +1,146 @@
+/* linux/arch/arm/mach-exynos4/include/mach/regs-hdmi.h
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * HDMI register header file for Samsung TVOUT driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef SAMSUNG_REGS_HDMI_H
+#define SAMSUNG_REGS_HDMI_H
+
+/*
+ * Register part
+*/
+
+#define HDMI_CTRL_BASE(x)		((x) + 0x00000000)
+#define HDMI_CORE_BASE(x)		((x) + 0x00010000)
+#define HDMI_TG_BASE(x)			((x) + 0x00050000)
+
+/* Control registers */
+#define HDMI_INTC_CON			HDMI_CTRL_BASE(0x0000)
+#define HDMI_INTC_FLAG			HDMI_CTRL_BASE(0x0004)
+#define HDMI_HPD_STATUS			HDMI_CTRL_BASE(0x000C)
+#define HDMI_PHY_RSTOUT			HDMI_CTRL_BASE(0x0014)
+#define HDMI_PHY_VPLL			HDMI_CTRL_BASE(0x0018)
+#define HDMI_PHY_CMU			HDMI_CTRL_BASE(0x001C)
+#define HDMI_CORE_RSTOUT		HDMI_CTRL_BASE(0x0020)
+
+/* Core registers */
+#define HDMI_CON_0			HDMI_CORE_BASE(0x0000)
+#define HDMI_CON_1			HDMI_CORE_BASE(0x0004)
+#define HDMI_CON_2			HDMI_CORE_BASE(0x0008)
+#define HDMI_SYS_STATUS			HDMI_CORE_BASE(0x0010)
+#define HDMI_PHY_STATUS			HDMI_CORE_BASE(0x0014)
+#define HDMI_STATUS_EN			HDMI_CORE_BASE(0x0020)
+#define HDMI_HPD			HDMI_CORE_BASE(0x0030)
+#define HDMI_MODE_SEL			HDMI_CORE_BASE(0x0040)
+#define HDMI_BLUE_SCREEN_0		HDMI_CORE_BASE(0x0050)
+#define HDMI_BLUE_SCREEN_1		HDMI_CORE_BASE(0x0054)
+#define HDMI_BLUE_SCREEN_2		HDMI_CORE_BASE(0x0058)
+#define HDMI_H_BLANK_0			HDMI_CORE_BASE(0x00A0)
+#define HDMI_H_BLANK_1			HDMI_CORE_BASE(0x00A4)
+#define HDMI_V_BLANK_0			HDMI_CORE_BASE(0x00B0)
+#define HDMI_V_BLANK_1			HDMI_CORE_BASE(0x00B4)
+#define HDMI_V_BLANK_2			HDMI_CORE_BASE(0x00B8)
+#define HDMI_H_V_LINE_0			HDMI_CORE_BASE(0x00C0)
+#define HDMI_H_V_LINE_1			HDMI_CORE_BASE(0x00C4)
+#define HDMI_H_V_LINE_2			HDMI_CORE_BASE(0x00C8)
+#define HDMI_VSYNC_POL			HDMI_CORE_BASE(0x00E4)
+#define HDMI_INT_PRO_MODE		HDMI_CORE_BASE(0x00E8)
+#define HDMI_V_BLANK_F_0		HDMI_CORE_BASE(0x0110)
+#define HDMI_V_BLANK_F_1		HDMI_CORE_BASE(0x0114)
+#define HDMI_V_BLANK_F_2		HDMI_CORE_BASE(0x0118)
+#define HDMI_H_SYNC_GEN_0		HDMI_CORE_BASE(0x0120)
+#define HDMI_H_SYNC_GEN_1		HDMI_CORE_BASE(0x0124)
+#define HDMI_H_SYNC_GEN_2		HDMI_CORE_BASE(0x0128)
+#define HDMI_V_SYNC_GEN_1_0		HDMI_CORE_BASE(0x0130)
+#define HDMI_V_SYNC_GEN_1_1		HDMI_CORE_BASE(0x0134)
+#define HDMI_V_SYNC_GEN_1_2		HDMI_CORE_BASE(0x0138)
+#define HDMI_V_SYNC_GEN_2_0		HDMI_CORE_BASE(0x0140)
+#define HDMI_V_SYNC_GEN_2_1		HDMI_CORE_BASE(0x0144)
+#define HDMI_V_SYNC_GEN_2_2		HDMI_CORE_BASE(0x0148)
+#define HDMI_V_SYNC_GEN_3_0		HDMI_CORE_BASE(0x0150)
+#define HDMI_V_SYNC_GEN_3_1		HDMI_CORE_BASE(0x0154)
+#define HDMI_V_SYNC_GEN_3_2		HDMI_CORE_BASE(0x0158)
+#define HDMI_AVI_CON			HDMI_CORE_BASE(0x0300)
+#define HDMI_AVI_BYTE(n)		HDMI_CORE_BASE(0x0320 + 4 * (n))
+#define	HDMI_DC_CONTROL			HDMI_CORE_BASE(0x05C0)
+#define HDMI_VIDEO_PATTERN_GEN		HDMI_CORE_BASE(0x05C4)
+#define HDMI_HPD_GEN			HDMI_CORE_BASE(0x05C8)
+
+/* Timing generator registers */
+#define HDMI_TG_CMD			HDMI_TG_BASE(0x0000)
+#define HDMI_TG_H_FSZ_L			HDMI_TG_BASE(0x0018)
+#define HDMI_TG_H_FSZ_H			HDMI_TG_BASE(0x001C)
+#define HDMI_TG_HACT_ST_L		HDMI_TG_BASE(0x0020)
+#define HDMI_TG_HACT_ST_H		HDMI_TG_BASE(0x0024)
+#define HDMI_TG_HACT_SZ_L		HDMI_TG_BASE(0x0028)
+#define HDMI_TG_HACT_SZ_H		HDMI_TG_BASE(0x002C)
+#define HDMI_TG_V_FSZ_L			HDMI_TG_BASE(0x0030)
+#define HDMI_TG_V_FSZ_H			HDMI_TG_BASE(0x0034)
+#define HDMI_TG_VSYNC_L			HDMI_TG_BASE(0x0038)
+#define HDMI_TG_VSYNC_H			HDMI_TG_BASE(0x003C)
+#define HDMI_TG_VSYNC2_L		HDMI_TG_BASE(0x0040)
+#define HDMI_TG_VSYNC2_H		HDMI_TG_BASE(0x0044)
+#define HDMI_TG_VACT_ST_L		HDMI_TG_BASE(0x0048)
+#define HDMI_TG_VACT_ST_H		HDMI_TG_BASE(0x004C)
+#define HDMI_TG_VACT_SZ_L		HDMI_TG_BASE(0x0050)
+#define HDMI_TG_VACT_SZ_H		HDMI_TG_BASE(0x0054)
+#define HDMI_TG_FIELD_CHG_L		HDMI_TG_BASE(0x0058)
+#define HDMI_TG_FIELD_CHG_H		HDMI_TG_BASE(0x005C)
+#define HDMI_TG_VACT_ST2_L		HDMI_TG_BASE(0x0060)
+#define HDMI_TG_VACT_ST2_H		HDMI_TG_BASE(0x0064)
+#define HDMI_TG_VSYNC_TOP_HDMI_L	HDMI_TG_BASE(0x0078)
+#define HDMI_TG_VSYNC_TOP_HDMI_H	HDMI_TG_BASE(0x007C)
+#define HDMI_TG_VSYNC_BOT_HDMI_L	HDMI_TG_BASE(0x0080)
+#define HDMI_TG_VSYNC_BOT_HDMI_H	HDMI_TG_BASE(0x0084)
+#define HDMI_TG_FIELD_TOP_HDMI_L	HDMI_TG_BASE(0x0088)
+#define HDMI_TG_FIELD_TOP_HDMI_H	HDMI_TG_BASE(0x008C)
+#define HDMI_TG_FIELD_BOT_HDMI_L	HDMI_TG_BASE(0x0090)
+#define HDMI_TG_FIELD_BOT_HDMI_H	HDMI_TG_BASE(0x0094)
+
+/*
+ * Bit definition part
+ */
+
+/* HDMI_INTC_CON */
+#define HDMI_INTC_EN_GLOBAL		(1 << 6)
+#define HDMI_INTC_EN_HPD_PLUG		(1 << 3)
+#define HDMI_INTC_EN_HPD_UNPLUG		(1 << 2)
+
+/* HDMI_INTC_FLAG */
+#define HDMI_INTC_FLAG_HPD_PLUG		(1 << 3)
+#define HDMI_INTC_FLAG_HPD_UNPLUG	(1 << 2)
+
+/* HDMI_PHY_RSTOUT */
+#define HDMI_PHY_SW_RSTOUT		(1 << 0)
+
+/* HDMI_CORE_RSTOUT */
+#define HDMI_CORE_SW_RSTOUT		(1 << 0)
+
+/* HDMI_CON_0 */
+#define HDMI_BLUE_SCR_EN		(1 << 5)
+#define HDMI_EN				(1 << 0)
+
+/* HDMI_CON_2 */
+#define HDMI_DVI_PERAMBLE_EN		(1 << 5)
+#define HDMI_DVI_BAND_EN		(1 << 1)
+
+/* HDMI_PHY_STATUS */
+#define HDMI_PHY_STATUS_READY		(1 << 0)
+
+/* HDMI_MODE_SEL */
+#define HDMI_MODE_HDMI_EN		(1 << 1)
+#define HDMI_MODE_DVI_EN		(1 << 0)
+#define HDMI_MODE_MASK			(3 << 0)
+
+/* HDMI_TG_CMD */
+#define HDMI_TG_FIELD_EN		(1 << 1)
+#define HDMI_TG_EN			(1 << 0)
+
+#endif /* SAMSUNG_REGS_HDMI_H */
diff --git a/drivers/media/platform/s5p-tv/regs-mixer.h b/drivers/media/platform/s5p-tv/regs-mixer.h
new file mode 100644
index 000000000000..158abb43d0a4
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/regs-mixer.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Mixer register header file for Samsung Mixer driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+#ifndef SAMSUNG_REGS_MIXER_H
+#define SAMSUNG_REGS_MIXER_H
+
+/*
+ * Register part
+ */
+#define MXR_STATUS			0x0000
+#define MXR_CFG				0x0004
+#define MXR_INT_EN			0x0008
+#define MXR_INT_STATUS			0x000C
+#define MXR_LAYER_CFG			0x0010
+#define MXR_VIDEO_CFG			0x0014
+#define MXR_GRAPHIC0_CFG		0x0020
+#define MXR_GRAPHIC0_BASE		0x0024
+#define MXR_GRAPHIC0_SPAN		0x0028
+#define MXR_GRAPHIC0_SXY		0x002C
+#define MXR_GRAPHIC0_WH			0x0030
+#define MXR_GRAPHIC0_DXY		0x0034
+#define MXR_GRAPHIC0_BLANK		0x0038
+#define MXR_GRAPHIC1_CFG		0x0040
+#define MXR_GRAPHIC1_BASE		0x0044
+#define MXR_GRAPHIC1_SPAN		0x0048
+#define MXR_GRAPHIC1_SXY		0x004C
+#define MXR_GRAPHIC1_WH			0x0050
+#define MXR_GRAPHIC1_DXY		0x0054
+#define MXR_GRAPHIC1_BLANK		0x0058
+#define MXR_BG_CFG			0x0060
+#define MXR_BG_COLOR0			0x0064
+#define MXR_BG_COLOR1			0x0068
+#define MXR_BG_COLOR2			0x006C
+
+/* for parametrized access to layer registers */
+#define MXR_GRAPHIC_CFG(i)		(0x0020 + (i) * 0x20)
+#define MXR_GRAPHIC_BASE(i)		(0x0024 + (i) * 0x20)
+#define MXR_GRAPHIC_SPAN(i)		(0x0028 + (i) * 0x20)
+#define MXR_GRAPHIC_SXY(i)		(0x002C + (i) * 0x20)
+#define MXR_GRAPHIC_WH(i)		(0x0030 + (i) * 0x20)
+#define MXR_GRAPHIC_DXY(i)		(0x0034 + (i) * 0x20)
+
+/*
+ * Bit definition part
+ */
+
+/* generates mask for range of bits */
+#define MXR_MASK(high_bit, low_bit) \
+	(((2 << ((high_bit) - (low_bit))) - 1) << (low_bit))
+
+#define MXR_MASK_VAL(val, high_bit, low_bit) \
+	(((val) << (low_bit)) & MXR_MASK(high_bit, low_bit))
+
+/* bits for MXR_STATUS */
+#define MXR_STATUS_16_BURST		(1 << 7)
+#define MXR_STATUS_BURST_MASK		(1 << 7)
+#define MXR_STATUS_SYNC_ENABLE		(1 << 2)
+#define MXR_STATUS_REG_RUN		(1 << 0)
+
+/* bits for MXR_CFG */
+#define MXR_CFG_OUT_YUV444		(0 << 8)
+#define MXR_CFG_OUT_RGB888		(1 << 8)
+#define MXR_CFG_OUT_MASK		(1 << 8)
+#define MXR_CFG_DST_SDO			(0 << 7)
+#define MXR_CFG_DST_HDMI		(1 << 7)
+#define MXR_CFG_DST_MASK		(1 << 7)
+#define MXR_CFG_SCAN_HD_720		(0 << 6)
+#define MXR_CFG_SCAN_HD_1080		(1 << 6)
+#define MXR_CFG_GRP1_ENABLE		(1 << 5)
+#define MXR_CFG_GRP0_ENABLE		(1 << 4)
+#define MXR_CFG_VP_ENABLE		(1 << 3)
+#define MXR_CFG_SCAN_INTERLACE		(0 << 2)
+#define MXR_CFG_SCAN_PROGRASSIVE	(1 << 2)
+#define MXR_CFG_SCAN_NTSC		(0 << 1)
+#define MXR_CFG_SCAN_PAL		(1 << 1)
+#define MXR_CFG_SCAN_SD			(0 << 0)
+#define MXR_CFG_SCAN_HD			(1 << 0)
+#define MXR_CFG_SCAN_MASK		0x47
+
+/* bits for MXR_GRAPHICn_CFG */
+#define MXR_GRP_CFG_COLOR_KEY_DISABLE	(1 << 21)
+#define MXR_GRP_CFG_BLEND_PRE_MUL	(1 << 20)
+#define MXR_GRP_CFG_FORMAT_VAL(x)	MXR_MASK_VAL(x, 11, 8)
+#define MXR_GRP_CFG_FORMAT_MASK		MXR_GRP_CFG_FORMAT_VAL(~0)
+#define MXR_GRP_CFG_ALPHA_VAL(x)	MXR_MASK_VAL(x, 7, 0)
+
+/* bits for MXR_GRAPHICn_WH */
+#define MXR_GRP_WH_H_SCALE(x)		MXR_MASK_VAL(x, 28, 28)
+#define MXR_GRP_WH_V_SCALE(x)		MXR_MASK_VAL(x, 12, 12)
+#define MXR_GRP_WH_WIDTH(x)		MXR_MASK_VAL(x, 26, 16)
+#define MXR_GRP_WH_HEIGHT(x)		MXR_MASK_VAL(x, 10, 0)
+
+/* bits for MXR_GRAPHICn_SXY */
+#define MXR_GRP_SXY_SX(x)		MXR_MASK_VAL(x, 26, 16)
+#define MXR_GRP_SXY_SY(x)		MXR_MASK_VAL(x, 10, 0)
+
+/* bits for MXR_GRAPHICn_DXY */
+#define MXR_GRP_DXY_DX(x)		MXR_MASK_VAL(x, 26, 16)
+#define MXR_GRP_DXY_DY(x)		MXR_MASK_VAL(x, 10, 0)
+
+/* bits for MXR_INT_EN */
+#define MXR_INT_EN_VSYNC		(1 << 11)
+#define MXR_INT_EN_ALL			(0x0f << 8)
+
+/* bit for MXR_INT_STATUS */
+#define MXR_INT_CLEAR_VSYNC		(1 << 11)
+#define MXR_INT_STATUS_VSYNC		(1 << 0)
+
+/* bit for MXR_LAYER_CFG */
+#define MXR_LAYER_CFG_GRP1_VAL(x)	MXR_MASK_VAL(x, 11, 8)
+#define MXR_LAYER_CFG_GRP0_VAL(x)	MXR_MASK_VAL(x, 7, 4)
+#define MXR_LAYER_CFG_VP_VAL(x)		MXR_MASK_VAL(x, 3, 0)
+
+#endif /* SAMSUNG_REGS_MIXER_H */
+
diff --git a/drivers/media/platform/s5p-tv/regs-sdo.h b/drivers/media/platform/s5p-tv/regs-sdo.h
new file mode 100644
index 000000000000..6f22fbfe2f6c
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/regs-sdo.h
@@ -0,0 +1,63 @@
+/* drivers/media/platform/s5p-tv/regs-sdo.h
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * SDO register description file
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef SAMSUNG_REGS_SDO_H
+#define SAMSUNG_REGS_SDO_H
+
+/*
+ * Register part
+ */
+
+#define SDO_CLKCON			0x0000
+#define SDO_CONFIG			0x0008
+#define SDO_VBI				0x0014
+#define SDO_DAC				0x003C
+#define SDO_CCCON			0x0180
+#define SDO_IRQ				0x0280
+#define SDO_IRQMASK			0x0284
+#define SDO_VERSION			0x03D8
+
+/*
+ * Bit definition part
+ */
+
+/* SDO Clock Control Register (SDO_CLKCON) */
+#define SDO_TVOUT_SW_RESET		(1 << 4)
+#define SDO_TVOUT_CLOCK_READY		(1 << 1)
+#define SDO_TVOUT_CLOCK_ON		(1 << 0)
+
+/* SDO Video Standard Configuration Register (SDO_CONFIG) */
+#define SDO_PROGRESSIVE			(1 << 4)
+#define SDO_NTSC_M			0
+#define SDO_PAL_M			1
+#define SDO_PAL_BGHID			2
+#define SDO_PAL_N			3
+#define SDO_PAL_NC			4
+#define SDO_NTSC_443			8
+#define SDO_PAL_60			9
+#define SDO_STANDARD_MASK		0xf
+
+/* SDO VBI Configuration Register (SDO_VBI) */
+#define SDO_CVBS_WSS_INS		(1 << 14)
+#define SDO_CVBS_CLOSED_CAPTION_MASK	(3 << 12)
+
+/* SDO DAC Configuration Register (SDO_DAC) */
+#define SDO_POWER_ON_DAC		(1 << 0)
+
+/* SDO Color Compensation On/Off Control (SDO_CCCON) */
+#define SDO_COMPENSATION_BHS_ADJ_OFF	(1 << 4)
+#define SDO_COMPENSATION_CVBS_COMP_OFF	(1 << 0)
+
+/* SDO Interrupt Request Register (SDO_IRQ) */
+#define SDO_VSYNC_IRQ_PEND		(1 << 0)
+
+#endif /* SAMSUNG_REGS_SDO_H */
diff --git a/drivers/media/platform/s5p-tv/regs-vp.h b/drivers/media/platform/s5p-tv/regs-vp.h
new file mode 100644
index 000000000000..6c63984e11e8
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/regs-vp.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Video processor register header file for Samsung Mixer driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef SAMSUNG_REGS_VP_H
+#define SAMSUNG_REGS_VP_H
+
+/*
+ * Register part
+ */
+
+#define VP_ENABLE			0x0000
+#define VP_SRESET			0x0004
+#define VP_SHADOW_UPDATE		0x0008
+#define VP_FIELD_ID			0x000C
+#define VP_MODE				0x0010
+#define VP_IMG_SIZE_Y			0x0014
+#define VP_IMG_SIZE_C			0x0018
+#define VP_PER_RATE_CTRL		0x001C
+#define VP_TOP_Y_PTR			0x0028
+#define VP_BOT_Y_PTR			0x002C
+#define VP_TOP_C_PTR			0x0030
+#define VP_BOT_C_PTR			0x0034
+#define VP_ENDIAN_MODE			0x03CC
+#define VP_SRC_H_POSITION		0x0044
+#define VP_SRC_V_POSITION		0x0048
+#define VP_SRC_WIDTH			0x004C
+#define VP_SRC_HEIGHT			0x0050
+#define VP_DST_H_POSITION		0x0054
+#define VP_DST_V_POSITION		0x0058
+#define VP_DST_WIDTH			0x005C
+#define VP_DST_HEIGHT			0x0060
+#define VP_H_RATIO			0x0064
+#define VP_V_RATIO			0x0068
+#define VP_POLY8_Y0_LL			0x006C
+#define VP_POLY4_Y0_LL			0x00EC
+#define VP_POLY4_C0_LL			0x012C
+
+/*
+ * Bit definition part
+ */
+
+/* generates mask for range of bits */
+
+#define VP_MASK(high_bit, low_bit) \
+	(((2 << ((high_bit) - (low_bit))) - 1) << (low_bit))
+
+#define VP_MASK_VAL(val, high_bit, low_bit) \
+	(((val) << (low_bit)) & VP_MASK(high_bit, low_bit))
+
+ /* VP_ENABLE */
+#define VP_ENABLE_ON			(1 << 0)
+
+/* VP_SRESET */
+#define VP_SRESET_PROCESSING		(1 << 0)
+
+/* VP_SHADOW_UPDATE */
+#define VP_SHADOW_UPDATE_ENABLE		(1 << 0)
+
+/* VP_MODE */
+#define VP_MODE_NV12			(0 << 6)
+#define VP_MODE_NV21			(1 << 6)
+#define VP_MODE_LINE_SKIP		(1 << 5)
+#define VP_MODE_MEM_LINEAR		(0 << 4)
+#define VP_MODE_MEM_TILED		(1 << 4)
+#define VP_MODE_FMT_MASK		(5 << 4)
+#define VP_MODE_FIELD_ID_AUTO_TOGGLING	(1 << 2)
+#define VP_MODE_2D_IPC			(1 << 1)
+
+/* VP_IMG_SIZE_Y */
+/* VP_IMG_SIZE_C */
+#define VP_IMG_HSIZE(x)			VP_MASK_VAL(x, 29, 16)
+#define VP_IMG_VSIZE(x)			VP_MASK_VAL(x, 13, 0)
+
+/* VP_SRC_H_POSITION */
+#define VP_SRC_H_POSITION_VAL(x)	VP_MASK_VAL(x, 14, 4)
+
+/* VP_ENDIAN_MODE */
+#define VP_ENDIAN_MODE_LITTLE		(1 << 0)
+
+#endif /* SAMSUNG_REGS_VP_H */
diff --git a/drivers/media/platform/s5p-tv/sdo_drv.c b/drivers/media/platform/s5p-tv/sdo_drv.c
new file mode 100644
index 000000000000..ad68bbed014e
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/sdo_drv.c
@@ -0,0 +1,448 @@
+/*
+ * Samsung Standard Definition Output (SDO) driver
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ *
+ * Tomasz Stanislawski, <t.stanislaws@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundiation. either version 2 of the License,
+ * or (at your option) any later version
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/regulator/consumer.h>
+#include <linux/slab.h>
+
+#include <media/v4l2-subdev.h>
+
+#include "regs-sdo.h"
+
+MODULE_AUTHOR("Tomasz Stanislawski, <t.stanislaws@samsung.com>");
+MODULE_DESCRIPTION("Samsung Standard Definition Output (SDO)");
+MODULE_LICENSE("GPL");
+
+#define SDO_DEFAULT_STD	V4L2_STD_PAL
+
+struct sdo_format {
+	v4l2_std_id id;
+	/* all modes are 720 pixels wide */
+	unsigned int height;
+	unsigned int cookie;
+};
+
+struct sdo_device {
+	/** pointer to device parent */
+	struct device *dev;
+	/** base address of SDO registers */
+	void __iomem *regs;
+	/** SDO interrupt */
+	unsigned int irq;
+	/** DAC source clock */
+	struct clk *sclk_dac;
+	/** DAC clock */
+	struct clk *dac;
+	/** DAC physical interface */
+	struct clk *dacphy;
+	/** clock for control of VPLL */
+	struct clk *fout_vpll;
+	/** regulator for SDO IP power */
+	struct regulator *vdac;
+	/** regulator for SDO plug detection */
+	struct regulator *vdet;
+	/** subdev used as device interface */
+	struct v4l2_subdev sd;
+	/** current format */
+	const struct sdo_format *fmt;
+};
+
+static inline struct sdo_device *sd_to_sdev(struct v4l2_subdev *sd)
+{
+	return container_of(sd, struct sdo_device, sd);
+}
+
+static inline
+void sdo_write_mask(struct sdo_device *sdev, u32 reg_id, u32 value, u32 mask)
+{
+	u32 old = readl(sdev->regs + reg_id);
+	value = (value & mask) | (old & ~mask);
+	writel(value, sdev->regs + reg_id);
+}
+
+static inline
+void sdo_write(struct sdo_device *sdev, u32 reg_id, u32 value)
+{
+	writel(value, sdev->regs + reg_id);
+}
+
+static inline
+u32 sdo_read(struct sdo_device *sdev, u32 reg_id)
+{
+	return readl(sdev->regs + reg_id);
+}
+
+static irqreturn_t sdo_irq_handler(int irq, void *dev_data)
+{
+	struct sdo_device *sdev = dev_data;
+
+	/* clear interrupt */
+	sdo_write_mask(sdev, SDO_IRQ, ~0, SDO_VSYNC_IRQ_PEND);
+	return IRQ_HANDLED;
+}
+
+static void sdo_reg_debug(struct sdo_device *sdev)
+{
+#define DBGREG(reg_id) \
+	dev_info(sdev->dev, #reg_id " = %08x\n", \
+		sdo_read(sdev, reg_id))
+
+	DBGREG(SDO_CLKCON);
+	DBGREG(SDO_CONFIG);
+	DBGREG(SDO_VBI);
+	DBGREG(SDO_DAC);
+	DBGREG(SDO_IRQ);
+	DBGREG(SDO_IRQMASK);
+	DBGREG(SDO_VERSION);
+}
+
+static const struct sdo_format sdo_format[] = {
+	{ V4L2_STD_PAL_N,	.height = 576, .cookie = SDO_PAL_N },
+	{ V4L2_STD_PAL_Nc,	.height = 576, .cookie = SDO_PAL_NC },
+	{ V4L2_STD_PAL_M,	.height = 480, .cookie = SDO_PAL_M },
+	{ V4L2_STD_PAL_60,	.height = 480, .cookie = SDO_PAL_60 },
+	{ V4L2_STD_NTSC_443,	.height = 480, .cookie = SDO_NTSC_443 },
+	{ V4L2_STD_PAL,		.height = 576, .cookie = SDO_PAL_BGHID },
+	{ V4L2_STD_NTSC_M,	.height = 480, .cookie = SDO_NTSC_M },
+};
+
+static const struct sdo_format *sdo_find_format(v4l2_std_id id)
+{
+	int i;
+	for (i = 0; i < ARRAY_SIZE(sdo_format); ++i)
+		if (sdo_format[i].id & id)
+			return &sdo_format[i];
+	return NULL;
+}
+
+static int sdo_g_tvnorms_output(struct v4l2_subdev *sd, v4l2_std_id *std)
+{
+	*std = V4L2_STD_NTSC_M | V4L2_STD_PAL_M | V4L2_STD_PAL |
+		V4L2_STD_PAL_N | V4L2_STD_PAL_Nc |
+		V4L2_STD_NTSC_443 | V4L2_STD_PAL_60;
+	return 0;
+}
+
+static int sdo_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+	struct sdo_device *sdev = sd_to_sdev(sd);
+	const struct sdo_format *fmt;
+	fmt = sdo_find_format(std);
+	if (fmt == NULL)
+		return -EINVAL;
+	sdev->fmt = fmt;
+	return 0;
+}
+
+static int sdo_g_std_output(struct v4l2_subdev *sd, v4l2_std_id *std)
+{
+	*std = sd_to_sdev(sd)->fmt->id;
+	return 0;
+}
+
+static int sdo_g_mbus_fmt(struct v4l2_subdev *sd,
+	struct v4l2_mbus_framefmt *fmt)
+{
+	struct sdo_device *sdev = sd_to_sdev(sd);
+
+	if (!sdev->fmt)
+		return -ENXIO;
+	/* all modes are 720 pixels wide */
+	fmt->width = 720;
+	fmt->height = sdev->fmt->height;
+	fmt->code = V4L2_MBUS_FMT_FIXED;
+	fmt->field = V4L2_FIELD_INTERLACED;
+	fmt->colorspace = V4L2_COLORSPACE_JPEG;
+	return 0;
+}
+
+static int sdo_s_power(struct v4l2_subdev *sd, int on)
+{
+	struct sdo_device *sdev = sd_to_sdev(sd);
+	struct device *dev = sdev->dev;
+	int ret;
+
+	dev_info(dev, "sdo_s_power(%d)\n", on);
+
+	if (on)
+		ret = pm_runtime_get_sync(dev);
+	else
+		ret = pm_runtime_put_sync(dev);
+
+	/* only values < 0 indicate errors */
+	return IS_ERR_VALUE(ret) ? ret : 0;
+}
+
+static int sdo_streamon(struct sdo_device *sdev)
+{
+	/* set proper clock for Timing Generator */
+	clk_set_rate(sdev->fout_vpll, 54000000);
+	dev_info(sdev->dev, "fout_vpll.rate = %lu\n",
+	clk_get_rate(sdev->fout_vpll));
+	/* enable clock in SDO */
+	sdo_write_mask(sdev, SDO_CLKCON, ~0, SDO_TVOUT_CLOCK_ON);
+	clk_enable(sdev->dacphy);
+	/* enable DAC */
+	sdo_write_mask(sdev, SDO_DAC, ~0, SDO_POWER_ON_DAC);
+	sdo_reg_debug(sdev);
+	return 0;
+}
+
+static int sdo_streamoff(struct sdo_device *sdev)
+{
+	int tries;
+
+	sdo_write_mask(sdev, SDO_DAC, 0, SDO_POWER_ON_DAC);
+	clk_disable(sdev->dacphy);
+	sdo_write_mask(sdev, SDO_CLKCON, 0, SDO_TVOUT_CLOCK_ON);
+	for (tries = 100; tries; --tries) {
+		if (sdo_read(sdev, SDO_CLKCON) & SDO_TVOUT_CLOCK_READY)
+			break;
+		mdelay(1);
+	}
+	if (tries == 0)
+		dev_err(sdev->dev, "failed to stop streaming\n");
+	return tries ? 0 : -EIO;
+}
+
+static int sdo_s_stream(struct v4l2_subdev *sd, int on)
+{
+	struct sdo_device *sdev = sd_to_sdev(sd);
+	return on ? sdo_streamon(sdev) : sdo_streamoff(sdev);
+}
+
+static const struct v4l2_subdev_core_ops sdo_sd_core_ops = {
+	.s_power = sdo_s_power,
+};
+
+static const struct v4l2_subdev_video_ops sdo_sd_video_ops = {
+	.s_std_output = sdo_s_std_output,
+	.g_std_output = sdo_g_std_output,
+	.g_tvnorms_output = sdo_g_tvnorms_output,
+	.g_mbus_fmt = sdo_g_mbus_fmt,
+	.s_stream = sdo_s_stream,
+};
+
+static const struct v4l2_subdev_ops sdo_sd_ops = {
+	.core = &sdo_sd_core_ops,
+	.video = &sdo_sd_video_ops,
+};
+
+static int sdo_runtime_suspend(struct device *dev)
+{
+	struct v4l2_subdev *sd = dev_get_drvdata(dev);
+	struct sdo_device *sdev = sd_to_sdev(sd);
+
+	dev_info(dev, "suspend\n");
+	regulator_disable(sdev->vdet);
+	regulator_disable(sdev->vdac);
+	clk_disable(sdev->sclk_dac);
+	return 0;
+}
+
+static int sdo_runtime_resume(struct device *dev)
+{
+	struct v4l2_subdev *sd = dev_get_drvdata(dev);
+	struct sdo_device *sdev = sd_to_sdev(sd);
+
+	dev_info(dev, "resume\n");
+	clk_enable(sdev->sclk_dac);
+	regulator_enable(sdev->vdac);
+	regulator_enable(sdev->vdet);
+
+	/* software reset */
+	sdo_write_mask(sdev, SDO_CLKCON, ~0, SDO_TVOUT_SW_RESET);
+	mdelay(10);
+	sdo_write_mask(sdev, SDO_CLKCON, 0, SDO_TVOUT_SW_RESET);
+
+	/* setting TV mode */
+	sdo_write_mask(sdev, SDO_CONFIG, sdev->fmt->cookie, SDO_STANDARD_MASK);
+	/* XXX: forcing interlaced mode using undocumented bit */
+	sdo_write_mask(sdev, SDO_CONFIG, 0, SDO_PROGRESSIVE);
+	/* turn all VBI off */
+	sdo_write_mask(sdev, SDO_VBI, 0, SDO_CVBS_WSS_INS |
+		SDO_CVBS_CLOSED_CAPTION_MASK);
+	/* turn all post processing off */
+	sdo_write_mask(sdev, SDO_CCCON, ~0, SDO_COMPENSATION_BHS_ADJ_OFF |
+		SDO_COMPENSATION_CVBS_COMP_OFF);
+	sdo_reg_debug(sdev);
+	return 0;
+}
+
+static const struct dev_pm_ops sdo_pm_ops = {
+	.runtime_suspend = sdo_runtime_suspend,
+	.runtime_resume	 = sdo_runtime_resume,
+};
+
+static int __devinit sdo_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct sdo_device *sdev;
+	struct resource *res;
+	int ret = 0;
+	struct clk *sclk_vpll;
+
+	dev_info(dev, "probe start\n");
+	sdev = devm_kzalloc(&pdev->dev, sizeof *sdev, GFP_KERNEL);
+	if (!sdev) {
+		dev_err(dev, "not enough memory.\n");
+		ret = -ENOMEM;
+		goto fail;
+	}
+	sdev->dev = dev;
+
+	/* mapping registers */
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res == NULL) {
+		dev_err(dev, "get memory resource failed.\n");
+		ret = -ENXIO;
+		goto fail;
+	}
+
+	sdev->regs = devm_ioremap(&pdev->dev, res->start, resource_size(res));
+	if (sdev->regs == NULL) {
+		dev_err(dev, "register mapping failed.\n");
+		ret = -ENXIO;
+		goto fail;
+	}
+
+	/* acquiring interrupt */
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (res == NULL) {
+		dev_err(dev, "get interrupt resource failed.\n");
+		ret = -ENXIO;
+		goto fail;
+	}
+	ret = devm_request_irq(&pdev->dev, res->start, sdo_irq_handler, 0,
+			       "s5p-sdo", sdev);
+	if (ret) {
+		dev_err(dev, "request interrupt failed.\n");
+		goto fail;
+	}
+	sdev->irq = res->start;
+
+	/* acquire clocks */
+	sdev->sclk_dac = clk_get(dev, "sclk_dac");
+	if (IS_ERR_OR_NULL(sdev->sclk_dac)) {
+		dev_err(dev, "failed to get clock 'sclk_dac'\n");
+		ret = -ENXIO;
+		goto fail;
+	}
+	sdev->dac = clk_get(dev, "dac");
+	if (IS_ERR_OR_NULL(sdev->dac)) {
+		dev_err(dev, "failed to get clock 'dac'\n");
+		ret = -ENXIO;
+		goto fail_sclk_dac;
+	}
+	sdev->dacphy = clk_get(dev, "dacphy");
+	if (IS_ERR_OR_NULL(sdev->dacphy)) {
+		dev_err(dev, "failed to get clock 'dacphy'\n");
+		ret = -ENXIO;
+		goto fail_dac;
+	}
+	sclk_vpll = clk_get(dev, "sclk_vpll");
+	if (IS_ERR_OR_NULL(sclk_vpll)) {
+		dev_err(dev, "failed to get clock 'sclk_vpll'\n");
+		ret = -ENXIO;
+		goto fail_dacphy;
+	}
+	clk_set_parent(sdev->sclk_dac, sclk_vpll);
+	clk_put(sclk_vpll);
+	sdev->fout_vpll = clk_get(dev, "fout_vpll");
+	if (IS_ERR_OR_NULL(sdev->fout_vpll)) {
+		dev_err(dev, "failed to get clock 'fout_vpll'\n");
+		goto fail_dacphy;
+	}
+	dev_info(dev, "fout_vpll.rate = %lu\n", clk_get_rate(sclk_vpll));
+
+	/* acquire regulator */
+	sdev->vdac = devm_regulator_get(dev, "vdd33a_dac");
+	if (IS_ERR_OR_NULL(sdev->vdac)) {
+		dev_err(dev, "failed to get regulator 'vdac'\n");
+		goto fail_fout_vpll;
+	}
+	sdev->vdet = devm_regulator_get(dev, "vdet");
+	if (IS_ERR_OR_NULL(sdev->vdet)) {
+		dev_err(dev, "failed to get regulator 'vdet'\n");
+		goto fail_fout_vpll;
+	}
+
+	/* enable gate for dac clock, because mixer uses it */
+	clk_enable(sdev->dac);
+
+	/* configure power management */
+	pm_runtime_enable(dev);
+
+	/* configuration of interface subdevice */
+	v4l2_subdev_init(&sdev->sd, &sdo_sd_ops);
+	sdev->sd.owner = THIS_MODULE;
+	strlcpy(sdev->sd.name, "s5p-sdo", sizeof sdev->sd.name);
+
+	/* set default format */
+	sdev->fmt = sdo_find_format(SDO_DEFAULT_STD);
+	BUG_ON(sdev->fmt == NULL);
+
+	/* keeping subdev in device's private for use by other drivers */
+	dev_set_drvdata(dev, &sdev->sd);
+
+	dev_info(dev, "probe succeeded\n");
+	return 0;
+
+fail_fout_vpll:
+	clk_put(sdev->fout_vpll);
+fail_dacphy:
+	clk_put(sdev->dacphy);
+fail_dac:
+	clk_put(sdev->dac);
+fail_sclk_dac:
+	clk_put(sdev->sclk_dac);
+fail:
+	dev_info(dev, "probe failed\n");
+	return ret;
+}
+
+static int __devexit sdo_remove(struct platform_device *pdev)
+{
+	struct v4l2_subdev *sd = dev_get_drvdata(&pdev->dev);
+	struct sdo_device *sdev = sd_to_sdev(sd);
+
+	pm_runtime_disable(&pdev->dev);
+	clk_disable(sdev->dac);
+	clk_put(sdev->fout_vpll);
+	clk_put(sdev->dacphy);
+	clk_put(sdev->dac);
+	clk_put(sdev->sclk_dac);
+
+	dev_info(&pdev->dev, "remove successful\n");
+	return 0;
+}
+
+static struct platform_driver sdo_driver __refdata = {
+	.probe = sdo_probe,
+	.remove = __devexit_p(sdo_remove),
+	.driver = {
+		.name = "s5p-sdo",
+		.owner = THIS_MODULE,
+		.pm = &sdo_pm_ops,
+	}
+};
+
+module_platform_driver(sdo_driver);
diff --git a/drivers/media/platform/s5p-tv/sii9234_drv.c b/drivers/media/platform/s5p-tv/sii9234_drv.c
new file mode 100644
index 000000000000..716d4846f8bd
--- /dev/null
+++ b/drivers/media/platform/s5p-tv/sii9234_drv.c
@@ -0,0 +1,413 @@
+/*
+ * Samsung MHL interface driver
+ *
+ * Copyright (C) 2011 Samsung Electronics Co.Ltd
+ * Author: Tomasz Stanislawski <t.stanislaws@samsung.com>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/freezer.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/kthread.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <linux/regulator/machine.h>
+#include <linux/slab.h>
+
+#include <mach/gpio.h>
+#include <plat/gpio-cfg.h>
+
+#include <media/sii9234.h>
+#include <media/v4l2-subdev.h>
+
+MODULE_AUTHOR("Tomasz Stanislawski <t.stanislaws@samsung.com>");
+MODULE_DESCRIPTION("Samsung MHL interface driver");
+MODULE_LICENSE("GPL");
+
+struct sii9234_context {
+	struct i2c_client *client;
+	struct regulator *power;
+	int gpio_n_reset;
+	struct v4l2_subdev sd;
+};
+
+static inline struct sii9234_context *sd_to_context(struct v4l2_subdev *sd)
+{
+	return container_of(sd, struct sii9234_context, sd);
+}
+
+static inline int sii9234_readb(struct i2c_client *client, int addr)
+{
+	return i2c_smbus_read_byte_data(client, addr);
+}
+
+static inline int sii9234_writeb(struct i2c_client *client, int addr, int value)
+{
+	return i2c_smbus_write_byte_data(client, addr, value);
+}
+
+static inline int sii9234_writeb_mask(struct i2c_client *client, int addr,
+	int value, int mask)
+{
+	int ret;
+
+	ret = i2c_smbus_read_byte_data(client, addr);
+	if (ret < 0)
+		return ret;
+	ret = (ret & ~mask) | (value & mask);
+	return i2c_smbus_write_byte_data(client, addr, ret);
+}
+
+static inline int sii9234_readb_idx(struct i2c_client *client, int addr)
+{
+	int ret;
+	ret = i2c_smbus_write_byte_data(client, 0xbc, addr >> 8);
+	if (ret < 0)
+		return ret;
+	ret = i2c_smbus_write_byte_data(client, 0xbd, addr & 0xff);
+	if (ret < 0)
+		return ret;
+	return i2c_smbus_read_byte_data(client, 0xbe);
+}
+
+static inline int sii9234_writeb_idx(struct i2c_client *client, int addr,
+	int value)
+{
+	int ret;
+	ret = i2c_smbus_write_byte_data(client, 0xbc, addr >> 8);
+	if (ret < 0)
+		return ret;
+	ret = i2c_smbus_write_byte_data(client, 0xbd, addr & 0xff);
+	if (ret < 0)
+		return ret;
+	ret = i2c_smbus_write_byte_data(client, 0xbe, value);
+	return ret;
+}
+
+static inline int sii9234_writeb_idx_mask(struct i2c_client *client, int addr,
+	int value, int mask)
+{
+	int ret;
+
+	ret = sii9234_readb_idx(client, addr);
+	if (ret < 0)
+		return ret;
+	ret = (ret & ~mask) | (value & mask);
+	return sii9234_writeb_idx(client, addr, ret);
+}
+
+static int sii9234_reset(struct sii9234_context *ctx)
+{
+	struct i2c_client *client = ctx->client;
+	struct device *dev = &client->dev;
+	int ret, tries;
+
+	gpio_direction_output(ctx->gpio_n_reset, 1);
+	mdelay(1);
+	gpio_direction_output(ctx->gpio_n_reset, 0);
+	mdelay(1);
+	gpio_direction_output(ctx->gpio_n_reset, 1);
+	mdelay(1);
+
+	/* going to TTPI mode */
+	ret = sii9234_writeb(client, 0xc7, 0);
+	if (ret < 0) {
+		dev_err(dev, "failed to set TTPI mode\n");
+		return ret;
+	}
+	for (tries = 0; tries < 100 ; ++tries) {
+		ret = sii9234_readb(client, 0x1b);
+		if (ret > 0)
+			break;
+		if (ret < 0) {
+			dev_err(dev, "failed to reset device\n");
+			return -EIO;
+		}
+		mdelay(1);
+	}
+	if (tries == 100) {
+		dev_err(dev, "maximal number of tries reached\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static int sii9234_verify_version(struct i2c_client *client)
+{
+	struct device *dev = &client->dev;
+	int family, rev, tpi_rev, dev_id, sub_id, hdcp, id;
+
+	family = sii9234_readb(client, 0x1b);
+	rev = sii9234_readb(client, 0x1c) & 0x0f;
+	tpi_rev = sii9234_readb(client, 0x1d) & 0x7f;
+	dev_id = sii9234_readb_idx(client, 0x0103);
+	sub_id = sii9234_readb_idx(client, 0x0102);
+	hdcp = sii9234_readb(client, 0x30);
+
+	if (family < 0 || rev < 0 || tpi_rev < 0 || dev_id < 0 ||
+		sub_id < 0 || hdcp < 0) {
+		dev_err(dev, "failed to read chip's version\n");
+		return -EIO;
+	}
+
+	id = (dev_id << 8) | sub_id;
+
+	dev_info(dev, "chip: SiL%02x family: %02x, rev: %02x\n",
+		id, family, rev);
+	dev_info(dev, "tpi_rev:%02x, hdcp: %02x\n", tpi_rev, hdcp);
+	if (id != 0x9234) {
+		dev_err(dev, "not supported chip\n");
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static u8 data[][3] = {
+/* setup from driver created by doonsoo45.kim */
+	{ 0x01, 0x05, 0x04 }, /* Enable Auto soft reset on SCDT = 0 */
+	{ 0x01, 0x08, 0x35 }, /* Power Up TMDS Tx Core */
+	{ 0x01, 0x0d, 0x1c }, /* HDMI Transcode mode enable */
+	{ 0x01, 0x2b, 0x01 }, /* Enable HDCP Compliance workaround */
+	{ 0x01, 0x79, 0x40 }, /* daniel test...MHL_INT */
+	{ 0x01, 0x80, 0x34 }, /* Enable Rx PLL Clock Value */
+	{ 0x01, 0x90, 0x27 }, /* Enable CBUS discovery */
+	{ 0x01, 0x91, 0xe5 }, /* Skip RGND detection */
+	{ 0x01, 0x92, 0x46 }, /* Force MHD mode */
+	{ 0x01, 0x93, 0xdc }, /* Disable CBUS pull-up during RGND measurement */
+	{ 0x01, 0x94, 0x66 }, /* 1.8V CBUS VTH & GND threshold */
+	{ 0x01, 0x95, 0x31 }, /* RGND block & single discovery attempt */
+	{ 0x01, 0x96, 0x22 }, /* use 1K and 2K setting */
+	{ 0x01, 0xa0, 0x10 }, /* SIMG: Term mode */
+	{ 0x01, 0xa1, 0xfc }, /* Disable internal Mobile HD driver */
+	{ 0x01, 0xa3, 0xfa }, /* SIMG: Output Swing  default EB, 3x Clk Mult */
+	{ 0x01, 0xa5, 0x80 }, /* SIMG: RGND Hysterisis, 3x mode for Beast */
+	{ 0x01, 0xa6, 0x0c }, /* SIMG: Swing Offset */
+	{ 0x02, 0x3d, 0x3f }, /* Power up CVCC 1.2V core */
+	{ 0x03, 0x00, 0x00 }, /* SIMG: correcting HW default */
+	{ 0x03, 0x11, 0x01 }, /* Enable TxPLL Clock */
+	{ 0x03, 0x12, 0x15 }, /* Enable Tx Clock Path & Equalizer */
+	{ 0x03, 0x13, 0x60 }, /* SIMG: Set termination value */
+	{ 0x03, 0x14, 0xf0 }, /* SIMG: Change CKDT level */
+	{ 0x03, 0x17, 0x07 }, /* SIMG: PLL Calrefsel */
+	{ 0x03, 0x1a, 0x20 }, /* VCO Cal */
+	{ 0x03, 0x22, 0xe0 }, /* SIMG: Auto EQ */
+	{ 0x03, 0x23, 0xc0 }, /* SIMG: Auto EQ */
+	{ 0x03, 0x24, 0xa0 }, /* SIMG: Auto EQ */
+	{ 0x03, 0x25, 0x80 }, /* SIMG: Auto EQ */
+	{ 0x03, 0x26, 0x60 }, /* SIMG: Auto EQ */
+	{ 0x03, 0x27, 0x40 }, /* SIMG: Auto EQ */
+	{ 0x03, 0x28, 0x20 }, /* SIMG: Auto EQ */
+	{ 0x03, 0x29, 0x00 }, /* SIMG: Auto EQ */
+	{ 0x03, 0x31, 0x0b }, /* SIMG: Rx PLL BW value from I2C BW ~ 4MHz */
+	{ 0x03, 0x45, 0x06 }, /* SIMG: DPLL Mode */
+	{ 0x03, 0x4b, 0x06 }, /* SIMG: Correcting HW default */
+	{ 0x03, 0x4c, 0xa0 }, /* Manual zone control */
+	{ 0x03, 0x4d, 0x02 }, /* SIMG: PLL Mode Value (order is important) */
+};
+
+static int sii9234_set_internal(struct sii9234_context *ctx)
+{
+	struct i2c_client *client = ctx->client;
+	int i, ret;
+
+	for (i = 0; i < ARRAY_SIZE(data); ++i) {
+		int addr = (data[i][0] << 8) | data[i][1];
+		ret = sii9234_writeb_idx(client, addr, data[i][2]);
+		if (ret < 0)
+			return ret;
+	}
+	return 0;
+}
+
+static int sii9234_runtime_suspend(struct device *dev)
+{
+	struct v4l2_subdev *sd = dev_get_drvdata(dev);
+	struct sii9234_context *ctx = sd_to_context(sd);
+	struct i2c_client *client = ctx->client;
+
+	dev_info(dev, "suspend start\n");
+
+	sii9234_writeb_mask(client, 0x1e, 3, 3);
+	regulator_disable(ctx->power);
+
+	return 0;
+}
+
+static int sii9234_runtime_resume(struct device *dev)
+{
+	struct v4l2_subdev *sd = dev_get_drvdata(dev);
+	struct sii9234_context *ctx = sd_to_context(sd);
+	struct i2c_client *client = ctx->client;
+	int ret;
+
+	dev_info(dev, "resume start\n");
+	regulator_enable(ctx->power);
+
+	ret = sii9234_reset(ctx);
+	if (ret)
+		goto fail;
+
+	/* enable tpi */
+	ret = sii9234_writeb_mask(client, 0x1e, 1, 0);
+	if (ret < 0)
+		goto fail;
+	ret = sii9234_set_internal(ctx);
+	if (ret < 0)
+		goto fail;
+
+	return 0;
+
+fail:
+	dev_err(dev, "failed to resume\n");
+	regulator_disable(ctx->power);
+
+	return ret;
+}
+
+static const struct dev_pm_ops sii9234_pm_ops = {
+	.runtime_suspend = sii9234_runtime_suspend,
+	.runtime_resume	 = sii9234_runtime_resume,
+};
+
+static int sii9234_s_power(struct v4l2_subdev *sd, int on)
+{
+	struct sii9234_context *ctx = sd_to_context(sd);
+	int ret;
+
+	if (on)
+		ret = pm_runtime_get_sync(&ctx->client->dev);
+	else
+		ret = pm_runtime_put(&ctx->client->dev);
+	/* only values < 0 indicate errors */
+	return IS_ERR_VALUE(ret) ? ret : 0;
+}
+
+static int sii9234_s_stream(struct v4l2_subdev *sd, int enable)
+{
+	struct sii9234_context *ctx = sd_to_context(sd);
+
+	/* (dis/en)able TDMS output */
+	sii9234_writeb_mask(ctx->client, 0x1a, enable ? 0 : ~0 , 1 << 4);
+	return 0;
+}
+
+static const struct v4l2_subdev_core_ops sii9234_core_ops = {
+	.s_power =  sii9234_s_power,
+};
+
+static const struct v4l2_subdev_video_ops sii9234_video_ops = {
+	.s_stream =  sii9234_s_stream,
+};
+
+static const struct v4l2_subdev_ops sii9234_ops = {
+	.core = &sii9234_core_ops,
+	.video = &sii9234_video_ops,
+};
+
+static int __devinit sii9234_probe(struct i2c_client *client,
+	const struct i2c_device_id *id)
+{
+	struct device *dev = &client->dev;
+	struct sii9234_platform_data *pdata = dev->platform_data;
+	struct sii9234_context *ctx;
+	int ret;
+
+	ctx = devm_kzalloc(&client->dev, sizeof(*ctx), GFP_KERNEL);
+	if (!ctx) {
+		dev_err(dev, "out of memory\n");
+		ret = -ENOMEM;
+		goto fail;
+	}
+	ctx->client = client;
+
+	ctx->power = devm_regulator_get(dev, "hdmi-en");
+	if (IS_ERR(ctx->power)) {
+		dev_err(dev, "failed to acquire regulator hdmi-en\n");
+		return PTR_ERR(ctx->power);
+	}
+
+	ctx->gpio_n_reset = pdata->gpio_n_reset;
+	ret = gpio_request(ctx->gpio_n_reset, "MHL_RST");
+	if (ret) {
+		dev_err(dev, "failed to acquire MHL_RST gpio\n");
+		return ret;
+	}
+
+	v4l2_i2c_subdev_init(&ctx->sd, client, &sii9234_ops);
+
+	pm_runtime_enable(dev);
+
+	/* enable device */
+	ret = pm_runtime_get_sync(dev);
+	if (ret)
+		goto fail_pm;
+
+	/* verify chip version */
+	ret = sii9234_verify_version(client);
+	if (ret)
+		goto fail_pm_get;
+
+	/* stop processing */
+	pm_runtime_put(dev);
+
+	dev_info(dev, "probe successful\n");
+
+	return 0;
+
+fail_pm_get:
+	pm_runtime_put_sync(dev);
+
+fail_pm:
+	pm_runtime_disable(dev);
+	gpio_free(ctx->gpio_n_reset);
+
+fail:
+	dev_err(dev, "probe failed\n");
+
+	return ret;
+}
+
+static int __devexit sii9234_remove(struct i2c_client *client)
+{
+	struct device *dev = &client->dev;
+	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+	struct sii9234_context *ctx = sd_to_context(sd);
+
+	pm_runtime_disable(dev);
+	gpio_free(ctx->gpio_n_reset);
+
+	dev_info(dev, "remove successful\n");
+
+	return 0;
+}
+
+
+static const struct i2c_device_id sii9234_id[] = {
+	{ "SII9234", 0 },
+	{ },
+};
+
+MODULE_DEVICE_TABLE(i2c, sii9234_id);
+static struct i2c_driver sii9234_driver = {
+	.driver = {
+		.name	= "sii9234",
+		.owner	= THIS_MODULE,
+		.pm = &sii9234_pm_ops,
+	},
+	.probe		= sii9234_probe,
+	.remove		= __devexit_p(sii9234_remove),
+	.id_table = sii9234_id,
+};
+
+module_i2c_driver(sii9234_driver);