1 files changed, 125 insertions, 0 deletions
diff --git a/include/linux/mxc_pf.h b/include/linux/mxc_pf.h
new file mode 100644
index 000000000000..cf8f35ec4abe
--- /dev/null
+++ b/include/linux/mxc_pf.h
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2005-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU Lesser General
+ * Public License.  You may obtain a copy of the GNU Lesser General
+ * Public License Version 2.1 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/lgpl-license.html
+ * http://www.gnu.org/copyleft/lgpl.html
+ */
+
+/*!
+ * @defgroup MXC_PF MPEG4/H.264 Post Filter Driver
+ */
+/*!
+ * @file arch-mxc/mxc_pf.h
+ *
+ * @brief MXC IPU MPEG4/H.264 Post-filtering driver
+ *
+ * User-level API for IPU Hardware MPEG4/H.264 Post-filtering.
+ *
+ * @ingroup MXC_PF
+ */
+#ifndef __INCLUDED_MXC_PF_H__
+#define __INCLUDED_MXC_PF_H__
+
+#define PF_MAX_BUFFER_CNT       17
+
+#define PF_WAIT_Y	0x0001
+#define PF_WAIT_U	0x0002
+#define PF_WAIT_V	0x0004
+#define PF_WAIT_ALL	(PF_WAIT_Y|PF_WAIT_U|PF_WAIT_V)
+
+/*!
+ * Structure for Post Filter initialization parameters.
+ */
+typedef struct {
+	uint16_t pf_mode;	/*!< Post filter operation mode */
+	uint16_t width;		/*!< Width of frame in pixels */
+	uint16_t height;	/*!< Height of frame in pixels */
+	uint16_t stride;	/*!< Stride of Y plane in pixels. Stride for U and V planes is half Y stride */
+	uint32_t qp_size;
+	unsigned long qp_paddr;
+} pf_init_params;
+
+/*!
+ * Structure for Post Filter buffer request parameters.
+ */
+typedef struct {
+	int count;		/*!< Number of buffers requested */
+	__u32 req_size;
+} pf_reqbufs_params;
+
+/*!
+ * Structure for Post Filter buffer request parameters.
+ */
+typedef struct {
+	int index;
+	int size;		/*!< Size of buffer allocated */
+	__u32 offset;		/*!< Buffer offset in driver memory. Set by QUERYBUF */
+	__u32 y_offset;		/*!< Optional starting relative offset of Y data
+				   from beginning of buffer. Set to 0 to use default
+				   calculated based on height and stride */
+	__u32 u_offset;		/*!< Optional starting relative offset of U data
+				   from beginning of buffer. Set to 0 to use default
+				   calculated based on height and stride */
+	__u32 v_offset;		/*!< Optional starting relative offset of V data
+				   from beginning of buffer. Set to 0 to use default
+				   calculated based on height and stride */
+} pf_buf;
+
+/*!
+ * Structure for Post Filter start parameters.
+ */
+typedef struct {
+	pf_buf in;		/*!< Input buffer address and offsets */
+	pf_buf out;		/*!< Output buffer address and offsets */
+	int qp_buf;
+	int wait;
+	uint32_t h264_pause_row;	/*!< Row to pause at for H.264 mode. 0 to disable pause */
+} pf_start_params;
+
+/*! @name User Client Ioctl Interface */
+/*! @{ */
+
+/*!
+ * IOCTL to Initialize the Post Filter.
+ */
+#define PF_IOCTL_INIT           _IOW('F', 0x0, pf_init_params)
+
+/*!
+ * IOCTL to Uninitialize the Post Filter.
+ */
+#define PF_IOCTL_UNINIT         _IO('F', 0x1)
+
+/*!
+ * IOCTL to set the buffer mode and allocate buffers if driver allocated.
+ */
+#define PF_IOCTL_REQBUFS        _IOWR('F', 0x2, pf_reqbufs_params)
+
+/*!
+ * IOCTL to set the buffer mode and allocate buffers if driver allocated.
+ */
+#define PF_IOCTL_QUERYBUF       _IOR('F', 0x2, pf_buf)
+
+/*!
+ * IOCTL to start post filtering on a frame of data. This ioctl may block until
+ * processing is done or return immediately.
+ */
+#define PF_IOCTL_START          _IOWR('F', 0x3, pf_start_params)
+
+/*!
+ * IOCTL to resume post-filtering after an intra frame pause in H.264 mode.
+ */
+#define PF_IOCTL_RESUME         _IOW('F', 0x4, int)
+
+/*!
+ * IOCTL to wait for post-filtering to complete.
+ */
+#define PF_IOCTL_WAIT           _IOW('F', 0x5, int)
+/*! @} */
+
+#endif				/* __INCLUDED_MXC_PF_H__ */