ipuv3: add base driver for ipuv3

Base IPUv3 driver copied directly from linux-imx-2.6.38.

Signed-off-by: Jason Chen <b02280@freescale.com>

11 files changed, 1047 insertions, 44 deletions

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 419e43ef76f..d9d89b92ba1 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -32,6 +32,7 @@ config	SOC_IMX51
 	select ARCH_HAS_CPUFREQ
 	select ARCH_MX5
 	select IMX_HAVE_PLATFORM_IMX_IIM
+	select IMX_HAVE_PLATFORM_IMX_IPUV3
 
 config	SOC_IMX53
 	bool
@@ -43,6 +44,7 @@ config	SOC_IMX53
 	select ARCH_MX5
 	select ARCH_MX53
 	select IMX_HAVE_PLATFORM_IMX_IIM
+	select IMX_HAVE_PLATFORM_IMX_IPUV3
 
 if ARCH_MX50_SUPPORTED
 #comment "i.MX50 machines:"
diff --git a/arch/arm/mach-mx5/clock.c b/arch/arm/mach-mx5/clock.c
index fc28dfc7855..5eb4f0bf799 100644
--- a/arch/arm/mach-mx5/clock.c
+++ b/arch/arm/mach-mx5/clock.c
@@ -4447,9 +4447,9 @@ static struct clk_lookup lookups[] = {
 	_REGISTER_CLOCK(NULL, "vpu_core_clk", vpu_clk[1]),
 	_REGISTER_CLOCK(NULL, "nfc_clk", emi_enfc_clk),
 	_REGISTER_CLOCK("imx-sdma", NULL, sdma_clk[0]),
-	_REGISTER_CLOCK(NULL, "ipu_clk", ipu_clk[0]),
-	_REGISTER_CLOCK(NULL, "ipu_di0_clk", ipu_di_clk[0]),
-	_REGISTER_CLOCK(NULL, "ipu_di1_clk", ipu_di_clk[1]),
+	_REGISTER_CLOCK(NULL, "ipu1_clk", ipu_clk[0]),
+	_REGISTER_CLOCK(NULL, "ipu1_di0_clk", ipu_di_clk[0]),
+	_REGISTER_CLOCK(NULL, "ipu1_di1_clk", ipu_di_clk[1]),
 	_REGISTER_CLOCK(NULL, "csi_mclk1", csi0_clk),
 	_REGISTER_CLOCK(NULL, "csi_mclk2", csi1_clk),
 	_REGISTER_CLOCK(NULL, "tve_clk", tve_clk),
diff --git a/arch/arm/mach-mx5/devices-imx51.h b/arch/arm/mach-mx5/devices-imx51.h
index e11bc0e0ec4..5446680cc3c 100644
--- a/arch/arm/mach-mx5/devices-imx51.h
+++ b/arch/arm/mach-mx5/devices-imx51.h
@@ -52,3 +52,7 @@ extern const struct imx_mxc_pwm_data imx51_mxc_pwm_data[];
 extern const struct imx_imx_keypad_data imx51_imx_keypad_data;
 #define imx51_add_imx_keypad(pdata)	\
 	imx_add_imx_keypad(&imx51_imx_keypad_data, pdata)
+
+extern const struct imx_ipuv3_data imx51_ipuv3_data __initconst;
+#define imx51_add_ipuv3(id, pdata)	imx_add_ipuv3(id, &imx51_ipuv3_data, pdata)
+#define imx51_add_ipuv3fb(id, pdata)	imx_add_ipuv3_fb(id, pdata)
diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h
index c7e42deda99..00f03df6d7c 100644
--- a/arch/arm/mach-mx5/devices-imx53.h
+++ b/arch/arm/mach-mx5/devices-imx53.h
@@ -52,3 +52,7 @@ extern const struct imx_iim_data imx53_imx_iim_data __initconst;
 extern const struct imx_ahci_imx_data imx53_ahci_imx_data __initconst;
 #define imx53_add_ahci_imx(id, pdata)   \
 	imx_add_ahci_imx(&imx53_ahci_imx_data, pdata)
+
+extern const struct imx_ipuv3_data imx53_ipuv3_data __initconst;
+#define imx53_add_ipuv3(id, pdata)	imx_add_ipuv3(id, &imx53_ipuv3_data, pdata)
+#define imx53_add_ipuv3fb(id, pdata)	imx_add_ipuv3_fb(id, pdata)
diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig
index 7974585091a..3e78ca6d6d7 100644
--- a/arch/arm/plat-mxc/devices/Kconfig
+++ b/arch/arm/plat-mxc/devices/Kconfig
@@ -43,6 +43,9 @@ config IMX_HAVE_PLATFORM_IMX_UART
 config IMX_HAVE_PLATFORM_IMX_UDC
 	bool
 
+config IMX_HAVE_PLATFORM_IMX_IPUV3
+	bool
+
 config IMX_HAVE_PLATFORM_IPU_CORE
 	bool
 
diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile
index 7b491d870f3..c0286b910c6 100644
--- a/arch/arm/plat-mxc/devices/Makefile
+++ b/arch/arm/plat-mxc/devices/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_SSI) += platform-imx-ssi.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UART) += platform-imx-uart.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UDC) += platform-imx_udc.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IPU_CORE) += platform-ipu-core.o
+obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_IPUV3) +=  platform-imx_ipuv3.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_MX1_CAMERA) += platform-mx1-camera.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_MX2_CAMERA) += platform-mx2-camera.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_EHCI) += platform-mxc-ehci.o
diff --git a/arch/arm/plat-mxc/devices/platform-imx_ipuv3.c b/arch/arm/plat-mxc/devices/platform-imx_ipuv3.c
new file mode 100644
index 00000000000..a353060bc95
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-imx_ipuv3.c
@@ -0,0 +1,230 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * 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.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <mach/hardware.h>
+#include <mach/devices-common.h>
+#include <linux/dma-mapping.h>
+#include <linux/clk.h>
+
+#define imx5_ipuv3_data_entry_single(soc, size, ipu_init, ipu_pg)	\
+	{								\
+		.iobase = soc ## _IPU_CTRL_BASE_ADDR,			\
+		.irq_err = soc ## _INT_IPU_ERR,				\
+		.irq = soc ## _INT_IPU_SYN,				\
+		.irq_start = MXC_IPU_IRQ_START, 			\
+		.iosize = size,						\
+		.init = ipu_init,					\
+		.pg = ipu_pg,						\
+	}
+
+#define imx6_ipuv3_data_entry_single(soc, id, size, ipu_init, ipu_pg)	\
+	{								\
+		.iobase = soc ## _IPU ## id ## _ARB_BASE_ADDR,			\
+		.irq_err = soc ## _INT_IPU ## id ## _ERR,			\
+		.irq = soc ## _INT_IPU ## id ## _SYN,				\
+		.irq_start = MXC_IPU_IRQ_START, 			\
+		.iosize = size,						\
+		.init = ipu_init,					\
+		.pg = ipu_pg,						\
+	}
+
+#ifdef CONFIG_SOC_IMX51
+/*
+ * The MIPI HSC unit has been removed from the i.MX51 Reference Manual by
+ * the Freescale marketing division. However this did not remove the
+ * hardware from the chip which still needs to be configured...
+ */
+static int __init ipu_mipi_setup(void)
+{
+	struct clk *hsc_clk;
+	void __iomem *hsc_addr;
+	int ret = 0;
+
+	hsc_addr = ioremap(MX51_MIPI_HSC_BASE_ADDR, PAGE_SIZE);
+	if (!hsc_addr)
+		return -ENOMEM;
+
+	hsc_clk = clk_get_sys(NULL, "mipi_hsp");
+	if (IS_ERR(hsc_clk)) {
+		ret = PTR_ERR(hsc_clk);
+		goto unmap;
+	}
+	clk_enable(hsc_clk);
+
+	/* setup MIPI module to legacy mode */
+	writel(0xF00, hsc_addr);
+
+	/* CSI mode: reserved; DI control mode: legacy (from Freescale BSP) */
+	writel(readl(hsc_addr + 0x800) | 0x30ff,
+			hsc_addr + 0x800);
+
+	clk_disable(hsc_clk);
+	clk_put(hsc_clk);
+unmap:
+	iounmap(hsc_addr);
+
+	return ret;
+}
+
+int __init mx51_ipuv3_init(int id)
+{
+	int ret = 0;
+	u32 val;
+
+	ret = ipu_mipi_setup();
+
+	/* hard reset the IPU */
+	val = readl(MX51_IO_ADDRESS(MX51_SRC_BASE_ADDR));
+	val |= 1 << 3;
+	writel(val, MX51_IO_ADDRESS(MX51_SRC_BASE_ADDR));
+
+	return ret;
+}
+
+void mx51_ipuv3_pg(int enable)
+{
+	if (enable) {
+		writel(MXC_PGCR_PCR, MX51_PGC_IPU_PGCR);
+		writel(MXC_PGSR_PSR, MX51_PGC_IPU_PGSR);
+	} else {
+		writel(0x0, MX51_PGC_IPU_PGCR);
+		if (readl(MX51_PGC_IPU_PGSR) & MXC_PGSR_PSR)
+			printk(KERN_DEBUG "power gating successful\n");
+		writel(MXC_PGSR_PSR, MX51_PGC_IPU_PGSR);
+	}
+}
+
+const struct imx_ipuv3_data imx51_ipuv3_data __initconst =
+			imx5_ipuv3_data_entry_single(MX51, SZ_512M,
+					mx51_ipuv3_init, mx51_ipuv3_pg);
+#endif
+
+#ifdef CONFIG_SOC_IMX53
+int __init mx53_ipuv3_init(int id)
+{
+	int ret = 0;
+	u32 val;
+
+	/* hard reset the IPU */
+	val = readl(MX53_IO_ADDRESS(MX53_SRC_BASE_ADDR));
+	val |= 1 << 3;
+	writel(val, MX53_IO_ADDRESS(MX53_SRC_BASE_ADDR));
+
+	return ret;
+}
+
+void mx53_ipuv3_pg(int enable)
+{
+	if (enable) {
+		writel(MXC_PGCR_PCR, MX53_PGC_IPU_PGCR);
+		writel(MXC_PGSR_PSR, MX53_PGC_IPU_PGSR);
+	} else {
+		writel(0x0, MX53_PGC_IPU_PGCR);
+		if (readl(MX53_PGC_IPU_PGSR) & MXC_PGSR_PSR)
+			printk(KERN_DEBUG "power gating successful\n");
+		writel(MXC_PGSR_PSR, MX53_PGC_IPU_PGSR);
+	}
+}
+
+const struct imx_ipuv3_data imx53_ipuv3_data __initconst =
+			imx5_ipuv3_data_entry_single(MX53, SZ_128M,
+					mx53_ipuv3_init, mx53_ipuv3_pg);
+#endif
+
+#ifdef CONFIG_SOC_IMX6Q
+int __init mx6q_ipuv3_init(int id)
+{
+	int ret = 0;
+	u32 val;
+
+	/* hard reset the IPU */
+	val = readl(MX6_IO_ADDRESS(SRC_BASE_ADDR));
+	if (id == 0)
+		val |= 1 << 3;
+	else
+		val |= 1 << 12;
+	writel(val, MX6_IO_ADDRESS(SRC_BASE_ADDR));
+
+	return ret;
+}
+
+void mx6q_ipuv3_pg(int enable)
+{
+	/*TODO*/
+}
+
+const struct imx_ipuv3_data imx6q_ipuv3_data[] __initconst = {
+	imx6_ipuv3_data_entry_single(MX6Q, 1, SZ_4M,
+			mx6q_ipuv3_init, mx6q_ipuv3_pg),
+	imx6_ipuv3_data_entry_single(MX6Q, 2, SZ_4M,
+			mx6q_ipuv3_init, mx6q_ipuv3_pg),
+};
+#endif
+
+struct platform_device *__init imx_add_ipuv3(
+		const int id,
+		const struct imx_ipuv3_data *data,
+		struct imx_ipuv3_platform_data *pdata)
+{
+	struct resource res[] = {
+		{
+			.start = data->iobase,
+			.end = data->iobase + data->iosize - 1,
+			.flags = IORESOURCE_MEM,
+		}, {
+			.start = data->irq_err,
+			.end = data->irq_err,
+			.flags = IORESOURCE_IRQ,
+		}, {
+			.start = data->irq,
+			.end = data->irq,
+			.flags = IORESOURCE_IRQ,
+		},
+	};
+
+	pdata->init = data->init;
+	pdata->pg = data->pg;
+
+	return imx_add_platform_device_dmamask("imx-ipuv3", id,
+			res, ARRAY_SIZE(res), pdata, sizeof(*pdata),
+			DMA_BIT_MASK(32));
+}
+
+struct platform_device *__init imx_add_ipuv3_fb(
+		const int id,
+		const struct ipuv3_fb_platform_data *pdata)
+{
+	if (pdata->res_size > 0) {
+		struct resource res[] = {
+			{
+				.start = pdata->res_base,
+				.end = pdata->res_base + pdata->res_size - 1,
+				.flags = IORESOURCE_MEM,
+			},
+		};
+
+		return imx_add_platform_device_dmamask("mxc_sdc_fb",
+				id, res, ARRAY_SIZE(res), pdata,
+				sizeof(*pdata), DMA_BIT_MASK(32));
+	} else
+		return imx_add_platform_device_dmamask("mxc_sdc_fb", id,
+				NULL, 0, pdata, sizeof(*pdata),
+				DMA_BIT_MASK(32));
+}
diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h
index 9b1b7df5344..72d71517320 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -171,23 +171,24 @@ struct platform_device *__init imx_add_imx_udc(
 		const struct imx_imx_udc_data *data,
 		const struct imxusb_platform_data *pdata);
 
-#include <mach/ipu.h>
-#include <mach/mx3fb.h>
-#include <mach/mx3_camera.h>
-struct imx_ipu_core_data {
+#include <mach/ipu-v3.h>
+struct imx_ipuv3_data {
 	resource_size_t iobase;
-	resource_size_t synirq;
-	resource_size_t errirq;
+	resource_size_t iosize;
+	resource_size_t irq_err;
+	resource_size_t irq;
+	unsigned int irq_start;
+	int (*init) (int);
+	void (*pg) (int);
 };
-struct platform_device *__init imx_add_ipu_core(
-		const struct imx_ipu_core_data *data,
-		const struct ipu_platform_data *pdata);
-struct platform_device *__init imx_alloc_mx3_camera(
-		const struct imx_ipu_core_data *data,
-		const struct mx3_camera_pdata *pdata);
-struct platform_device *__init imx_add_mx3_sdc_fb(
-		const struct imx_ipu_core_data *data,
-		struct mx3fb_platform_data *pdata);
+struct platform_device *__init imx_add_ipuv3(
+		const int id,
+		const struct imx_ipuv3_data *data,
+		struct imx_ipuv3_platform_data *pdata);
+
+struct platform_device *__init imx_add_ipuv3_fb(
+		const int id,
+		const struct ipuv3_fb_platform_data *pdata);
 
 #include <mach/mx1_camera.h>
 struct imx_mx1_camera_data {
diff --git a/arch/arm/plat-mxc/include/mach/ipu-v3.h b/arch/arm/plat-mxc/include/mach/ipu-v3.h
new file mode 100644
index 00000000000..713ee9f62d5
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/ipu-v3.h
@@ -0,0 +1,770 @@
+/*
+ * Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>
+ * Copyright (C) 2011 Freescale Semiconductor, Inc.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#ifndef __MACH_IPU_V3_H_
+#define __MACH_IPU_V3_H_
+
+#include <linux/ipu.h>
+
+/*  IPU Pixel format definitions */
+/*  Four-character-code (FOURCC) */
+#define fourcc(a, b, c, d)\
+	 (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
+
+/*!
+ * @name IPU Pixel Formats
+ *
+ * Pixel formats are defined with ASCII FOURCC code. The pixel format codes are
+ * the same used by V4L2 API.
+ */
+
+/*! @{ */
+/*! @name Generic or Raw Data Formats */
+/*! @{ */
+#define IPU_PIX_FMT_GENERIC fourcc('I', 'P', 'U', '0')	/*!< IPU Generic Data */
+#define IPU_PIX_FMT_GENERIC_32 fourcc('I', 'P', 'U', '1')	/*!< IPU Generic Data */
+#define IPU_PIX_FMT_LVDS666 fourcc('L', 'V', 'D', '6')	/*!< IPU Generic Data */
+#define IPU_PIX_FMT_LVDS888 fourcc('L', 'V', 'D', '8')	/*!< IPU Generic Data */
+/*! @} */
+/*! @name RGB Formats */
+/*! @{ */
+#define IPU_PIX_FMT_RGB332  fourcc('R', 'G', 'B', '1')	/*!<  8  RGB-3-3-2    */
+#define IPU_PIX_FMT_RGB555  fourcc('R', 'G', 'B', 'O')	/*!< 16  RGB-5-5-5    */
+#define IPU_PIX_FMT_RGB565  fourcc('R', 'G', 'B', 'P')	/*!< 1 6  RGB-5-6-5   */
+#define IPU_PIX_FMT_RGB666  fourcc('R', 'G', 'B', '6')	/*!< 18  RGB-6-6-6    */
+#define IPU_PIX_FMT_BGR666  fourcc('B', 'G', 'R', '6')	/*!< 18  BGR-6-6-6    */
+#define IPU_PIX_FMT_BGR24   fourcc('B', 'G', 'R', '3')	/*!< 24  BGR-8-8-8    */
+#define IPU_PIX_FMT_RGB24   fourcc('R', 'G', 'B', '3')	/*!< 24  RGB-8-8-8    */
+#define IPU_PIX_FMT_GBR24   fourcc('G', 'B', 'R', '3')	/*!< 24  GBR-8-8-8    */
+#define IPU_PIX_FMT_BGR32   fourcc('B', 'G', 'R', '4')	/*!< 32  BGR-8-8-8-8  */
+#define IPU_PIX_FMT_BGRA32  fourcc('B', 'G', 'R', 'A')	/*!< 32  BGR-8-8-8-8  */
+#define IPU_PIX_FMT_RGB32   fourcc('R', 'G', 'B', '4')	/*!< 32  RGB-8-8-8-8  */
+#define IPU_PIX_FMT_RGBA32  fourcc('R', 'G', 'B', 'A')	/*!< 32  RGB-8-8-8-8  */
+#define IPU_PIX_FMT_ABGR32  fourcc('A', 'B', 'G', 'R')	/*!< 32  ABGR-8-8-8-8 */
+/*! @} */
+/*! @name YUV Interleaved Formats */
+/*! @{ */
+#define IPU_PIX_FMT_YUYV    fourcc('Y', 'U', 'Y', 'V')	/*!< 16 YUV 4:2:2 */
+#define IPU_PIX_FMT_UYVY    fourcc('U', 'Y', 'V', 'Y')	/*!< 16 YUV 4:2:2 */
+#define IPU_PIX_FMT_YVYU    fourcc('Y', 'V', 'Y', 'U')  /*!< 16 YVYU 4:2:2 */
+#define IPU_PIX_FMT_VYUY    fourcc('V', 'Y', 'U', 'Y')  /*!< 16 VYYU 4:2:2 */
+#define IPU_PIX_FMT_Y41P    fourcc('Y', '4', '1', 'P')	/*!< 12 YUV 4:1:1 */
+#define IPU_PIX_FMT_YUV444  fourcc('Y', '4', '4', '4')	/*!< 24 YUV 4:4:4 */
+#define IPU_PIX_FMT_VYU444  fourcc('V', '4', '4', '4')	/*!< 24 VYU 4:4:4 */
+/* two planes -- one Y, one Cb + Cr interleaved  */
+#define IPU_PIX_FMT_NV12    fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
+/*! @} */
+/*! @name YUV Planar Formats */
+/*! @{ */
+#define IPU_PIX_FMT_GREY    fourcc('G', 'R', 'E', 'Y')	/*!< 8  Greyscale */
+#define IPU_PIX_FMT_YVU410P fourcc('Y', 'V', 'U', '9')	/*!< 9  YVU 4:1:0 */
+#define IPU_PIX_FMT_YUV410P fourcc('Y', 'U', 'V', '9')	/*!< 9  YUV 4:1:0 */
+#define IPU_PIX_FMT_YVU420P fourcc('Y', 'V', '1', '2')	/*!< 12 YVU 4:2:0 */
+#define IPU_PIX_FMT_YUV420P fourcc('I', '4', '2', '0')	/*!< 12 YUV 4:2:0 */
+#define IPU_PIX_FMT_YUV420P2 fourcc('Y', 'U', '1', '2')	/*!< 12 YUV 4:2:0 */
+#define IPU_PIX_FMT_YVU422P fourcc('Y', 'V', '1', '6')	/*!< 16 YVU 4:2:2 */
+#define IPU_PIX_FMT_YUV422P fourcc('4', '2', '2', 'P')	/*!< 16 YUV 4:2:2 */
+/*! @} */
+
+/* IPU Driver channels definitions.	*/
+/* Note these are different from IDMA channels */
+#define IPU_MAX_CH	32
+#define _MAKE_CHAN(num, v_in, g_in, a_in, out) \
+	((num << 24) | (v_in << 18) | (g_in << 12) | (a_in << 6) | out)
+#define _MAKE_ALT_CHAN(ch)		(ch | (IPU_MAX_CH << 24))
+#define IPU_CHAN_ID(ch)			(ch >> 24)
+#define IPU_CHAN_ALT(ch)		(ch & 0x02000000)
+#define IPU_CHAN_ALPHA_IN_DMA(ch)	((uint32_t) (ch >> 6) & 0x3F)
+#define IPU_CHAN_GRAPH_IN_DMA(ch)	((uint32_t) (ch >> 12) & 0x3F)
+#define IPU_CHAN_VIDEO_IN_DMA(ch)	((uint32_t) (ch >> 18) & 0x3F)
+#define IPU_CHAN_OUT_DMA(ch)		((uint32_t) (ch & 0x3F))
+#define NO_DMA 0x3F
+#define ALT	1
+/*!
+ * Enumeration of IPU logical channels. An IPU logical channel is defined as a
+ * combination of an input (memory to IPU), output (IPU to memory), and/or
+ * secondary input IDMA channels and in some cases an Image Converter task.
+ * Some channels consist of only an input or output.
+ */
+typedef enum {
+	CHAN_NONE = -1,
+	MEM_ROT_ENC_MEM = _MAKE_CHAN(1, 45, NO_DMA, NO_DMA, 48),
+	MEM_ROT_VF_MEM = _MAKE_CHAN(2, 46, NO_DMA, NO_DMA, 49),
+	MEM_ROT_PP_MEM = _MAKE_CHAN(3, 47, NO_DMA, NO_DMA, 50),
+
+	MEM_PRP_ENC_MEM = _MAKE_CHAN(4, 12, 14, 17, 20),
+	MEM_PRP_VF_MEM = _MAKE_CHAN(5, 12, 14, 17, 21),
+	MEM_PP_MEM = _MAKE_CHAN(6, 11, 15, 18, 22),
+
+	MEM_DC_SYNC = _MAKE_CHAN(7, 28, NO_DMA, NO_DMA, NO_DMA),
+	MEM_DC_ASYNC = _MAKE_CHAN(8, 41, NO_DMA, NO_DMA, NO_DMA),
+	MEM_BG_SYNC = _MAKE_CHAN(9, 23, NO_DMA, 51, NO_DMA),
+	MEM_FG_SYNC = _MAKE_CHAN(10, 27, NO_DMA, 31, NO_DMA),
+
+	MEM_BG_ASYNC0 = _MAKE_CHAN(11, 24, NO_DMA, 52, NO_DMA),
+	MEM_FG_ASYNC0 = _MAKE_CHAN(12, 29, NO_DMA, 33, NO_DMA),
+	MEM_BG_ASYNC1 = _MAKE_ALT_CHAN(MEM_BG_ASYNC0),
+	MEM_FG_ASYNC1 = _MAKE_ALT_CHAN(MEM_FG_ASYNC0),
+
+	DIRECT_ASYNC0 = _MAKE_CHAN(13, NO_DMA, NO_DMA, NO_DMA, NO_DMA),
+	DIRECT_ASYNC1 = _MAKE_CHAN(14, NO_DMA, NO_DMA, NO_DMA, NO_DMA),
+
+	CSI_MEM0 = _MAKE_CHAN(15, NO_DMA, NO_DMA, NO_DMA, 0),
+	CSI_MEM1 = _MAKE_CHAN(16, NO_DMA, NO_DMA, NO_DMA, 1),
+	CSI_MEM2 = _MAKE_CHAN(17, NO_DMA, NO_DMA, NO_DMA, 2),
+	CSI_MEM3 = _MAKE_CHAN(18, NO_DMA, NO_DMA, NO_DMA, 3),
+
+	CSI_MEM = CSI_MEM0,
+
+	CSI_PRP_ENC_MEM = _MAKE_CHAN(19, NO_DMA, NO_DMA, NO_DMA, 20),
+	CSI_PRP_VF_MEM = _MAKE_CHAN(20, NO_DMA, NO_DMA, NO_DMA, 21),
+
+	MEM_VDI_PRP_VF_MEM_P = _MAKE_CHAN(21, 8, 14, 17, 21),
+	MEM_VDI_PRP_VF_MEM = _MAKE_CHAN(22, 9, 14, 17, 21),
+	MEM_VDI_PRP_VF_MEM_N = _MAKE_CHAN(23, 10, 14, 17, 21),
+
+	MEM_PP_ADC = CHAN_NONE,
+	ADC_SYS2 = CHAN_NONE,
+
+} ipu_channel_t;
+
+/*!
+ * Enumeration of types of buffers for a logical channel.
+ */
+typedef enum {
+	IPU_OUTPUT_BUFFER = 0,	/*!< Buffer for output from IPU */
+	IPU_ALPHA_IN_BUFFER = 1,	/*!< Buffer for input to IPU */
+	IPU_GRAPH_IN_BUFFER = 2,	/*!< Buffer for input to IPU */
+	IPU_VIDEO_IN_BUFFER = 3,	/*!< Buffer for input to IPU */
+	IPU_INPUT_BUFFER = IPU_VIDEO_IN_BUFFER,
+	IPU_SEC_INPUT_BUFFER = IPU_GRAPH_IN_BUFFER,
+} ipu_buffer_t;
+
+#define IPU_PANEL_SERIAL		1
+#define IPU_PANEL_PARALLEL		2
+
+/*!
+ * Enumeration of ADC channel operation mode.
+ */
+typedef enum {
+	Disable,
+	WriteTemplateNonSeq,
+	ReadTemplateNonSeq,
+	WriteTemplateUnCon,
+	ReadTemplateUnCon,
+	WriteDataWithRS,
+	WriteDataWoRS,
+	WriteCmd
+} mcu_mode_t;
+
+/*!
+ * Enumeration of ADC channel addressing mode.
+ */
+typedef enum {
+	FullWoBE,
+	FullWithBE,
+	XY
+} display_addressing_t;
+
+/*!
+ * Union of initialization parameters for a logical channel.
+ */
+typedef union {
+	struct {
+		uint32_t csi;
+		uint32_t mipi_id;
+		bool mipi_en;
+		bool interlaced;
+	} csi_mem;
+	struct {
+		uint32_t in_width;
+		uint32_t in_height;
+		uint32_t in_pixel_fmt;
+		uint32_t out_width;
+		uint32_t out_height;
+		uint32_t out_pixel_fmt;
+		uint32_t csi;
+	} csi_prp_enc_mem;
+	struct {
+		uint32_t in_width;
+		uint32_t in_height;
+		uint32_t in_pixel_fmt;
+		uint32_t out_width;
+		uint32_t out_height;
+		uint32_t out_pixel_fmt;
+		uint32_t outh_resize_ratio;
+		uint32_t outv_resize_ratio;
+	} mem_prp_enc_mem;
+	struct {
+		uint32_t in_width;
+		uint32_t in_height;
+		uint32_t in_pixel_fmt;
+		uint32_t out_width;
+		uint32_t out_height;
+		uint32_t out_pixel_fmt;
+	} mem_rot_enc_mem;
+	struct {
+		uint32_t in_width;
+		uint32_t in_height;
+		uint32_t in_pixel_fmt;
+		uint32_t out_width;
+		uint32_t out_height;
+		uint32_t out_pixel_fmt;
+		bool graphics_combine_en;
+		bool global_alpha_en;
+		bool key_color_en;
+		uint32_t csi;
+	} csi_prp_vf_mem;
+	struct {
+		uint32_t in_width;
+		uint32_t in_height;
+		uint32_t in_pixel_fmt;
+		uint32_t out_width;
+		uint32_t out_height;
+		uint32_t out_pixel_fmt;
+		bool graphics_combine_en;
+		bool global_alpha_en;
+		bool key_color_en;
+		display_port_t disp;
+		uint32_t out_left;
+		uint32_t out_top;
+	} csi_prp_vf_adc;
+	struct {
+		uint32_t in_width;
+		uint32_t in_height;
+		uint32_t in_pixel_fmt;
+		uint32_t out_width;
+		uint32_t out_height;
+		uint32_t out_pixel_fmt;
+		uint32_t outh_resize_ratio;
+		uint32_t outv_resize_ratio;
+		bool graphics_combine_en;
+		bool global_alpha_en;
+		bool key_color_en;
+		uint32_t in_g_pixel_fmt;
+		uint8_t alpha;
+		uint32_t key_color;
+		bool alpha_chan_en;
+		ipu_motion_sel motion_sel;
+		enum v4l2_field field_fmt;
+	} mem_prp_vf_mem;
+	struct {
+		uint32_t temp;
+	} mem_prp_vf_adc;
+	struct {
+		uint32_t temp;
+	} mem_rot_vf_mem;
+	struct {
+		uint32_t in_width;
+		uint32_t in_height;
+		uint32_t in_pixel_fmt;
+		uint32_t out_width;
+		uint32_t out_height;
+		uint32_t out_pixel_fmt;
+		uint32_t outh_resize_ratio;
+		uint32_t outv_resize_ratio;
+		bool graphics_combine_en;
+		bool global_alpha_en;
+		bool key_color_en;
+		uint32_t in_g_pixel_fmt;
+		uint8_t alpha;
+		uint32_t key_color;
+		bool alpha_chan_en;
+	} mem_pp_mem;
+	struct {
+		uint32_t temp;
+	} mem_rot_mem;
+	struct {
+		uint32_t in_width;
+		uint32_t in_height;
+		uint32_t in_pixel_fmt;
+		uint32_t out_width;
+		uint32_t out_height;
+		uint32_t out_pixel_fmt;
+		bool graphics_combine_en;
+		bool global_alpha_en;
+		bool key_color_en;
+		display_port_t disp;
+		uint32_t out_left;
+		uint32_t out_top;
+	} mem_pp_adc;
+	struct {
+		uint32_t di;
+		bool interlaced;
+		uint32_t in_pixel_fmt;
+		uint32_t out_pixel_fmt;
+	} mem_dc_sync;
+	struct {
+		uint32_t temp;
+	} mem_sdc_fg;
+	struct {
+		uint32_t di;
+		bool interlaced;
+		uint32_t in_pixel_fmt;
+		uint32_t out_pixel_fmt;
+		bool alpha_chan_en;
+	} mem_dp_bg_sync;
+	struct {
+		uint32_t temp;
+	} mem_sdc_bg;
+	struct {
+		uint32_t di;
+		bool interlaced;
+		uint32_t in_pixel_fmt;
+		uint32_t out_pixel_fmt;
+		bool alpha_chan_en;
+	} mem_dp_fg_sync;
+	struct {
+		uint32_t di;
+	} direct_async;
+	struct {
+		display_port_t disp;
+		mcu_mode_t ch_mode;
+		uint32_t out_left;
+		uint32_t out_top;
+	} adc_sys1;
+	struct {
+		display_port_t disp;
+		mcu_mode_t ch_mode;
+		uint32_t out_left;
+		uint32_t out_top;
+	} adc_sys2;
+} ipu_channel_params_t;
+
+/*!
+ * Enumeration of IPU interrupt sources.
+ */
+enum ipu_irq_line {
+	IPU_IRQ_CSI0_OUT_EOF = 0,
+	IPU_IRQ_CSI1_OUT_EOF = 1,
+	IPU_IRQ_CSI2_OUT_EOF = 2,
+	IPU_IRQ_CSI3_OUT_EOF = 3,
+	IPU_IRQ_VDI_P_IN_EOF = 8,
+	IPU_IRQ_VDI_C_IN_EOF = 9,
+	IPU_IRQ_VDI_N_IN_EOF = 10,
+	IPU_IRQ_PP_IN_EOF = 11,
+	IPU_IRQ_PRP_IN_EOF = 12,
+	IPU_IRQ_PRP_GRAPH_IN_EOF = 14,
+	IPU_IRQ_PP_GRAPH_IN_EOF = 15,
+	IPU_IRQ_PRP_ALPHA_IN_EOF = 17,
+	IPU_IRQ_PP_ALPHA_IN_EOF = 18,
+	IPU_IRQ_PRP_ENC_OUT_EOF = 20,
+	IPU_IRQ_PRP_VF_OUT_EOF = 21,
+	IPU_IRQ_PP_OUT_EOF = 22,
+	IPU_IRQ_BG_SYNC_EOF = 23,
+	IPU_IRQ_BG_ASYNC_EOF = 24,
+	IPU_IRQ_FG_SYNC_EOF = 27,
+	IPU_IRQ_DC_SYNC_EOF = 28,
+	IPU_IRQ_FG_ASYNC_EOF = 29,
+	IPU_IRQ_FG_ALPHA_SYNC_EOF = 31,
+
+	IPU_IRQ_FG_ALPHA_ASYNC_EOF = 33,
+	IPU_IRQ_DC_READ_EOF = 40,
+	IPU_IRQ_DC_ASYNC_EOF = 41,
+	IPU_IRQ_DC_CMD1_EOF = 42,
+	IPU_IRQ_DC_CMD2_EOF = 43,
+	IPU_IRQ_DC_MASK_EOF = 44,
+	IPU_IRQ_PRP_ENC_ROT_IN_EOF = 45,
+	IPU_IRQ_PRP_VF_ROT_IN_EOF = 46,
+	IPU_IRQ_PP_ROT_IN_EOF = 47,
+	IPU_IRQ_PRP_ENC_ROT_OUT_EOF = 48,
+	IPU_IRQ_PRP_VF_ROT_OUT_EOF = 49,
+	IPU_IRQ_PP_ROT_OUT_EOF = 50,
+	IPU_IRQ_BG_ALPHA_SYNC_EOF = 51,
+	IPU_IRQ_BG_ALPHA_ASYNC_EOF = 52,
+
+	IPU_IRQ_DP_SF_START = 448 + 2,
+	IPU_IRQ_DP_SF_END = 448 + 3,
+	IPU_IRQ_BG_SF_END = IPU_IRQ_DP_SF_END,
+	IPU_IRQ_DC_FC_0 = 448 + 8,
+	IPU_IRQ_DC_FC_1 = 448 + 9,
+	IPU_IRQ_DC_FC_2 = 448 + 10,
+	IPU_IRQ_DC_FC_3 = 448 + 11,
+	IPU_IRQ_DC_FC_4 = 448 + 12,
+	IPU_IRQ_DC_FC_6 = 448 + 13,
+	IPU_IRQ_VSYNC_PRE_0 = 448 + 14,
+	IPU_IRQ_VSYNC_PRE_1 = 448 + 15,
+
+	IPU_IRQ_COUNT
+};
+
+/*!
+ * Bitfield of Display Interface signal polarities.
+ */
+typedef struct {
+	unsigned datamask_en:1;
+	unsigned int_clk:1;
+	unsigned interlaced:1;
+	unsigned odd_field_first:1;
+	unsigned clksel_en:1;
+	unsigned clkidle_en:1;
+	unsigned data_pol:1;	/* true = inverted */
+	unsigned clk_pol:1;	/* true = rising edge */
+	unsigned enable_pol:1;
+	unsigned Hsync_pol:1;	/* true = active high */
+	unsigned Vsync_pol:1;
+} ipu_di_signal_cfg_t;
+
+/*!
+ * Bitfield of CSI signal polarities and modes.
+ */
+
+typedef struct {
+	unsigned data_width:4;
+	unsigned clk_mode:3;
+	unsigned ext_vsync:1;
+	unsigned Vsync_pol:1;
+	unsigned Hsync_pol:1;
+	unsigned pixclk_pol:1;
+	unsigned data_pol:1;
+	unsigned sens_clksrc:1;
+	unsigned pack_tight:1;
+	unsigned force_eof:1;
+	unsigned data_en_pol:1;
+	unsigned data_fmt;
+	unsigned csi;
+	unsigned mclk;
+} ipu_csi_signal_cfg_t;
+
+/*!
+ * Enumeration of CSI data bus widths.
+ */
+enum {
+	IPU_CSI_DATA_WIDTH_4,
+	IPU_CSI_DATA_WIDTH_8,
+	IPU_CSI_DATA_WIDTH_10,
+	IPU_CSI_DATA_WIDTH_16,
+};
+
+/*!
+ * Enumeration of CSI clock modes.
+ */
+enum {
+	IPU_CSI_CLK_MODE_GATED_CLK,
+	IPU_CSI_CLK_MODE_NONGATED_CLK,
+	IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE,
+	IPU_CSI_CLK_MODE_CCIR656_INTERLACED,
+	IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_DDR,
+	IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_SDR,
+	IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_DDR,
+	IPU_CSI_CLK_MODE_CCIR1120_INTERLACED_SDR,
+};
+
+enum {
+	IPU_CSI_MIPI_DI0,
+	IPU_CSI_MIPI_DI1,
+	IPU_CSI_MIPI_DI2,
+	IPU_CSI_MIPI_DI3,
+};
+
+typedef enum {
+	RGB,
+	YCbCr,
+	YUV
+} ipu_color_space_t;
+
+/*!
+ * Enumeration of ADC vertical sync mode.
+ */
+typedef enum {
+	VsyncNone,
+	VsyncInternal,
+	VsyncCSI,
+	VsyncExternal
+} vsync_t;
+
+typedef enum {
+	DAT,
+	CMD
+} cmddata_t;
+
+/*!
+ * Enumeration of ADC display update mode.
+ */
+typedef enum {
+	IPU_ADC_REFRESH_NONE,
+	IPU_ADC_AUTO_REFRESH,
+	IPU_ADC_AUTO_REFRESH_SNOOP,
+	IPU_ADC_SNOOPING,
+} ipu_adc_update_mode_t;
+
+/*!
+ * Enumeration of ADC display interface types (serial or parallel).
+ */
+enum {
+	IPU_ADC_IFC_MODE_SYS80_TYPE1,
+	IPU_ADC_IFC_MODE_SYS80_TYPE2,
+	IPU_ADC_IFC_MODE_SYS68K_TYPE1,
+	IPU_ADC_IFC_MODE_SYS68K_TYPE2,
+	IPU_ADC_IFC_MODE_3WIRE_SERIAL,
+	IPU_ADC_IFC_MODE_4WIRE_SERIAL,
+	IPU_ADC_IFC_MODE_5WIRE_SERIAL_CLK,
+	IPU_ADC_IFC_MODE_5WIRE_SERIAL_CS,
+};
+
+enum {
+	IPU_ADC_IFC_WIDTH_8,
+	IPU_ADC_IFC_WIDTH_16,
+};
+
+/*!
+ * Enumeration of ADC display interface burst mode.
+ */
+enum {
+	IPU_ADC_BURST_WCS,
+	IPU_ADC_BURST_WBLCK,
+	IPU_ADC_BURST_NONE,
+	IPU_ADC_BURST_SERIAL,
+};
+
+/*!
+ * Enumeration of ADC display interface RW signal timing modes.
+ */
+enum {
+	IPU_ADC_SER_NO_RW,
+	IPU_ADC_SER_RW_BEFORE_RS,
+	IPU_ADC_SER_RW_AFTER_RS,
+};
+
+/*!
+ * Bitfield of ADC signal polarities and modes.
+ */
+typedef struct {
+	unsigned data_pol:1;
+	unsigned clk_pol:1;
+	unsigned cs_pol:1;
+	unsigned rs_pol:1;
+	unsigned addr_pol:1;
+	unsigned read_pol:1;
+	unsigned write_pol:1;
+	unsigned Vsync_pol:1;
+	unsigned burst_pol:1;
+	unsigned burst_mode:2;
+	unsigned ifc_mode:3;
+	unsigned ifc_width:5;
+	unsigned ser_preamble_len:4;
+	unsigned ser_preamble:8;
+	unsigned ser_rw_mode:2;
+} ipu_adc_sig_cfg_t;
+
+/*!
+ * Enumeration of ADC template commands.
+ */
+enum {
+	RD_DATA,
+	RD_ACK,
+	RD_WAIT,
+	WR_XADDR,
+	WR_YADDR,
+	WR_ADDR,
+	WR_CMND,
+	WR_DATA,
+};
+
+/*!
+ * Enumeration of ADC template command flow control.
+ */
+enum {
+	SINGLE_STEP,
+	PAUSE,
+	STOP,
+};
+
+
+/*Define template constants*/
+#define     ATM_ADDR_RANGE      0x20	/*offset address of DISP */
+#define     TEMPLATE_BUF_SIZE   0x20	/*size of template */
+
+/*!
+ * Define to create ADC template command entry.
+ */
+#define ipu_adc_template_gen(oc, rs, fc, dat) (((rs) << 29) | ((fc) << 27) | \
+			((oc) << 24) | (dat))
+
+typedef struct {
+	u32 reg;
+	u32 value;
+} ipu_lpmc_reg_t;
+
+#define IPU_LPMC_REG_READ       0x80000000L
+
+#define CSI_MCLK_VF  1
+#define CSI_MCLK_ENC 2
+#define CSI_MCLK_RAW 4
+#define CSI_MCLK_I2C 8
+
+struct ipu_soc;
+/* Common IPU API */
+struct ipu_soc *ipu_get_soc(int id);
+int32_t ipu_init_channel(struct ipu_soc *ipu, ipu_channel_t channel, ipu_channel_params_t *params);
+void ipu_uninit_channel(struct ipu_soc *ipu, ipu_channel_t channel);
+
+static inline bool ipu_can_rotate_in_place(ipu_rotate_mode_t rot)
+{
+#ifdef CONFIG_MXC_IPU_V3D
+	return (rot < IPU_ROTATE_HORIZ_FLIP);
+#else
+	return (rot < IPU_ROTATE_90_RIGHT);
+#endif
+}
+
+int32_t ipu_init_channel_buffer(struct ipu_soc *ipu, ipu_channel_t channel, ipu_buffer_t type,
+				uint32_t pixel_fmt,
+				uint16_t width, uint16_t height,
+				uint32_t stride,
+				ipu_rotate_mode_t rot_mode,
+				dma_addr_t phyaddr_0, dma_addr_t phyaddr_1,
+				dma_addr_t phyaddr_2,
+				uint32_t u_offset, uint32_t v_offset);
+
+int32_t ipu_update_channel_buffer(struct ipu_soc *ipu, ipu_channel_t channel, ipu_buffer_t type,
+				  uint32_t bufNum, dma_addr_t phyaddr);
+
+int32_t ipu_update_channel_offset(struct ipu_soc *ipu, ipu_channel_t channel, ipu_buffer_t type,
+				uint32_t pixel_fmt,
+				uint16_t width, uint16_t height,
+				uint32_t stride,
+				uint32_t u, uint32_t v,
+				uint32_t vertical_offset, uint32_t horizontal_offset);
+
+int32_t ipu_select_buffer(struct ipu_soc *ipu, ipu_channel_t channel,
+			  ipu_buffer_t type, uint32_t bufNum);
+int32_t ipu_select_multi_vdi_buffer(struct ipu_soc *ipu, uint32_t bufNum);
+
+int32_t ipu_link_channels(struct ipu_soc *ipu, ipu_channel_t src_ch, ipu_channel_t dest_ch);
+int32_t ipu_unlink_channels(struct ipu_soc *ipu, ipu_channel_t src_ch, ipu_channel_t dest_ch);
+
+int32_t ipu_is_channel_busy(struct ipu_soc *ipu, ipu_channel_t channel);
+int32_t ipu_check_buffer_ready(struct ipu_soc *ipu, ipu_channel_t channel, ipu_buffer_t type,
+		uint32_t bufNum);
+void ipu_clear_buffer_ready(struct ipu_soc *ipu, ipu_channel_t channel, ipu_buffer_t type,
+		uint32_t bufNum);
+uint32_t ipu_get_cur_buffer_idx(struct ipu_soc *ipu, ipu_channel_t channel, ipu_buffer_t type);
+int32_t ipu_enable_channel(struct ipu_soc *ipu, ipu_channel_t channel);
+int32_t ipu_disable_channel(struct ipu_soc *ipu, ipu_channel_t channel, bool wait_for_stop);
+int32_t ipu_swap_channel(struct ipu_soc *ipu, ipu_channel_t from_ch, ipu_channel_t to_ch);
+
+int32_t ipu_enable_csi(struct ipu_soc *ipu, uint32_t csi);
+int32_t ipu_disable_csi(struct ipu_soc *ipu, uint32_t csi);
+
+int ipu_lowpwr_display_enable(void);
+int ipu_lowpwr_display_disable(void);
+
+void ipu_enable_irq(struct ipu_soc *ipu, uint32_t irq);
+void ipu_disable_irq(struct ipu_soc *ipu, uint32_t irq);
+void ipu_clear_irq(struct ipu_soc *ipu, uint32_t irq);
+int ipu_request_irq(struct ipu_soc *ipu, uint32_t irq,
+		    irqreturn_t(*handler) (int, void *),
+		    uint32_t irq_flags, const char *devname, void *dev_id);
+void ipu_free_irq(struct ipu_soc *ipu, uint32_t irq, void *dev_id);
+bool ipu_get_irq_status(struct ipu_soc *ipu, uint32_t irq);
+void ipu_set_csc_coefficients(struct ipu_soc *ipu, ipu_channel_t channel, int32_t param[][3]);
+
+/* two stripe calculations */
+struct stripe_param{
+	unsigned int input_width; /* width of the input stripe */
+	unsigned int output_width; /* width of the output stripe */
+	unsigned int input_column; /* the first column on the input stripe */
+	unsigned int output_column; /* the first column on the output stripe */
+	unsigned int idr;
+	/* inverse downisizing ratio parameter; expressed as a power of 2 */
+	unsigned int irr;
+	/* inverse resizing ratio parameter; expressed as a multiple of 2^-13 */
+};
+int ipu_calc_stripes_sizes(const unsigned int input_frame_width,
+				unsigned int output_frame_width,
+				const unsigned int maximal_stripe_width,
+				const unsigned long long cirr,
+				const unsigned int equal_stripes,
+				u32 input_pixelformat,
+				u32 output_pixelformat,
+				struct stripe_param *left,
+				struct stripe_param *right);
+
+/* SDC API */
+int32_t ipu_init_sync_panel(struct ipu_soc *ipu, int disp,
+			    uint32_t pixel_clk,
+			    uint16_t width, uint16_t height,
+			    uint32_t pixel_fmt,
+			    uint16_t h_start_width, uint16_t h_sync_width,
+			    uint16_t h_end_width, uint16_t v_start_width,
+			    uint16_t v_sync_width, uint16_t v_end_width,
+			    uint32_t v_to_h_sync, ipu_di_signal_cfg_t sig);
+
+void ipu_uninit_sync_panel(struct ipu_soc *ipu, int disp);
+
+int32_t ipu_disp_set_window_pos(struct ipu_soc *ipu, ipu_channel_t channel, int16_t x_pos,
+				int16_t y_pos);
+int32_t ipu_disp_get_window_pos(struct ipu_soc *ipu, ipu_channel_t channel, int16_t *x_pos,
+				int16_t *y_pos);
+int32_t ipu_disp_set_global_alpha(struct ipu_soc *ipu, ipu_channel_t channel, bool enable,
+				  uint8_t alpha);
+int32_t ipu_disp_set_color_key(struct ipu_soc *ipu, ipu_channel_t channel, bool enable,
+			       uint32_t colorKey);
+int32_t ipu_disp_set_gamma_correction(struct ipu_soc *ipu, ipu_channel_t channel, bool enable,
+				int constk[], int slopek[]);
+
+int ipu_init_async_panel(struct ipu_soc *ipu, int disp, int type, uint32_t cycle_time,
+			 uint32_t pixel_fmt, ipu_adc_sig_cfg_t sig);
+void ipu_disp_direct_write(struct ipu_soc *ipu, ipu_channel_t channel, u32 value, u32 offset);
+void ipu_reset_disp_panel(struct ipu_soc *ipu);
+
+/* CMOS Sensor Interface API */
+int32_t ipu_csi_init_interface(struct ipu_soc *ipu, uint16_t width, uint16_t height,
+			       uint32_t pixel_fmt, ipu_csi_signal_cfg_t sig);
+
+int32_t ipu_csi_get_sensor_protocol(struct ipu_soc *ipu, uint32_t csi);
+
+int32_t ipu_csi_enable_mclk(struct ipu_soc *ipu, int src, bool flag, bool wait);
+
+static inline int32_t ipu_csi_enable_mclk_if(struct ipu_soc *ipu, int src, uint32_t csi,
+		bool flag, bool wait)
+{
+	return ipu_csi_enable_mclk(ipu, csi, flag, wait);
+}
+
+int ipu_csi_read_mclk_flag(void);
+
+void ipu_csi_flash_strobe(bool flag);
+
+void ipu_csi_get_window_size(struct ipu_soc *ipu, uint32_t *width, uint32_t *height, uint32_t csi);
+
+void ipu_csi_set_window_size(struct ipu_soc *ipu, uint32_t width, uint32_t height, uint32_t csi);
+
+void ipu_csi_set_window_pos(struct ipu_soc *ipu, uint32_t left, uint32_t top, uint32_t csi);
+
+uint32_t bytes_per_pixel(uint32_t fmt);
+
+struct ipuv3_fb_platform_data {
+	char				disp_dev[32];
+	u32				interface_pix_fmt;
+	char				*mode_str;
+	int				default_bpp;
+	bool				int_clk;
+
+	/* reserved mem */
+	resource_size_t 		res_base;
+	resource_size_t 		res_size;
+};
+
+struct imx_ipuv3_platform_data {
+	int rev;
+	int (*init) (int);
+	void (*pg) (int);
+
+	char *csi_clk[2];
+};
+
+#endif /* __MACH_IPU_V3_H_ */
diff --git a/arch/arm/plat-mxc/include/mach/ipu.h b/arch/arm/plat-mxc/include/mach/ipu.h
index a9221f1cc1a..f7344ab81e4 100644
--- a/arch/arm/plat-mxc/include/mach/ipu.h
+++ b/arch/arm/plat-mxc/include/mach/ipu.h
@@ -14,6 +14,7 @@
 
 #include <linux/types.h>
 #include <linux/dmaengine.h>
+#include <linux/ipu.h>
 
 /* IPU DMA Controller channel definitions. */
 enum ipu_channel {
@@ -95,35 +96,10 @@ enum ipu_color_space {
 	IPU_COLORSPACE_YUV
 };
 
-/*
- * Enumeration of IPU rotation modes
- */
-enum ipu_rotate_mode {
-	/* Note the enum values correspond to BAM value */
-	IPU_ROTATE_NONE = 0,
-	IPU_ROTATE_VERT_FLIP = 1,
-	IPU_ROTATE_HORIZ_FLIP = 2,
-	IPU_ROTATE_180 = 3,
-	IPU_ROTATE_90_RIGHT = 4,
-	IPU_ROTATE_90_RIGHT_VFLIP = 5,
-	IPU_ROTATE_90_RIGHT_HFLIP = 6,
-	IPU_ROTATE_90_LEFT = 7,
-};
-
 struct ipu_platform_data {
 	unsigned int	irq_base;
 };
 
-/*
- * Enumeration of DI ports for ADC.
- */
-enum display_port {
-	DISP0,
-	DISP1,
-	DISP2,
-	DISP3
-};
-
 struct idmac_video_param {
 	unsigned short		in_width;
 	unsigned short		in_height;
@@ -135,7 +111,7 @@ struct idmac_video_param {
 	bool			graphics_combine_en;
 	bool			global_alpha_en;
 	bool			key_color_en;
-	enum display_port	disp;
+	display_port_t		disp;
 	unsigned short		out_left;
 	unsigned short		out_top;
 };
diff --git a/arch/arm/plat-mxc/include/mach/mx53.h b/arch/arm/plat-mxc/include/mach/mx53.h
index 2c4344740e1..d815e4e1393 100644
--- a/arch/arm/plat-mxc/include/mach/mx53.h
+++ b/arch/arm/plat-mxc/include/mach/mx53.h
@@ -157,6 +157,18 @@
 #define MX53_IO_P2V(x)			IMX_IO_P2V(x)
 #define MX53_IO_ADDRESS(x)		IOMEM(MX53_IO_P2V(x))
 
+/* PGC */
+#define MX53_GPC_BASE		(MX53_IO_ADDRESS(MX53_GPC_BASE_ADDR))
+#define MX53_PGC_IPU_BASE	(MX53_GPC_BASE + 0x220)
+#define MX53_PGC_VPU_BASE	(MX53_GPC_BASE + 0x240)
+#define MX53_PGC_GPU_BASE	(MX53_GPC_BASE + 0x260)
+#define MX53_PGC_IPU_PGCR	(MX53_PGC_IPU_BASE + 0x0)
+#define MX53_PGC_IPU_PGSR	(MX53_PGC_IPU_BASE + 0xC)
+#define MX53_PGC_VPU_PGCR	(MX53_PGC_VPU_BASE + 0x0)
+#define MX53_PGC_VPU_PGSR	(MX53_PGC_VPU_BASE + 0xC)
+#define MX53_PGC_GPU_PGCR	(MX53_PGC_GPU_BASE + 0x0)
+#define MX53_PGC_GPU_PGSR	(MX53_PGC_GPU_BASE + 0xC)
+
 /*
  * defines for SPBA modules
  */