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be0524d38f
This is i.MX BSP 5.0.0 release ported to 2.6.31 Signed-off-by: Rob Herring <r.herring@freescale.com> Signed-off-by: Alan Tull <r80115@freescale.com> Signed-off-by: Xinyu Chen <xinyu.chen@freescale.com>
126 lines
3.4 KiB
C
126 lines
3.4 KiB
C
/*
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* Copyright 2005-2009 Freescale Semiconductor, Inc. All Rights Reserved.
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*/
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/*
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* The code contained herein is licensed under the GNU Lesser General
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* Public License. You may obtain a copy of the GNU Lesser General
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* Public License Version 2.1 or later at the following locations:
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*
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* http://www.opensource.org/licenses/lgpl-license.html
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* http://www.gnu.org/copyleft/lgpl.html
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*/
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/*!
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* @defgroup MXC_PF MPEG4/H.264 Post Filter Driver
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*/
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/*!
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* @file arch-mxc/mxc_pf.h
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*
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* @brief MXC IPU MPEG4/H.264 Post-filtering driver
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*
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* User-level API for IPU Hardware MPEG4/H.264 Post-filtering.
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*
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* @ingroup MXC_PF
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*/
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#ifndef __INCLUDED_MXC_PF_H__
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#define __INCLUDED_MXC_PF_H__
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#define PF_MAX_BUFFER_CNT 17
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#define PF_WAIT_Y 0x0001
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#define PF_WAIT_U 0x0002
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#define PF_WAIT_V 0x0004
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#define PF_WAIT_ALL (PF_WAIT_Y|PF_WAIT_U|PF_WAIT_V)
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/*!
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* Structure for Post Filter initialization parameters.
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*/
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typedef struct {
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uint16_t pf_mode; /*!< Post filter operation mode */
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uint16_t width; /*!< Width of frame in pixels */
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uint16_t height; /*!< Height of frame in pixels */
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uint16_t stride; /*!< Stride of Y plane in pixels. Stride for U and V planes is half Y stride */
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uint32_t qp_size;
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unsigned long qp_paddr;
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} pf_init_params;
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/*!
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* Structure for Post Filter buffer request parameters.
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*/
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typedef struct {
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int count; /*!< Number of buffers requested */
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__u32 req_size;
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} pf_reqbufs_params;
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/*!
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* Structure for Post Filter buffer request parameters.
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*/
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typedef struct {
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int index;
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int size; /*!< Size of buffer allocated */
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__u32 offset; /*!< Buffer offset in driver memory. Set by QUERYBUF */
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__u32 y_offset; /*!< Optional starting relative offset of Y data
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from beginning of buffer. Set to 0 to use default
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calculated based on height and stride */
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__u32 u_offset; /*!< Optional starting relative offset of U data
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from beginning of buffer. Set to 0 to use default
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calculated based on height and stride */
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__u32 v_offset; /*!< Optional starting relative offset of V data
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from beginning of buffer. Set to 0 to use default
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calculated based on height and stride */
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} pf_buf;
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/*!
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* Structure for Post Filter start parameters.
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*/
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typedef struct {
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pf_buf in; /*!< Input buffer address and offsets */
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pf_buf out; /*!< Output buffer address and offsets */
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int qp_buf;
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int wait;
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uint32_t h264_pause_row; /*!< Row to pause at for H.264 mode. 0 to disable pause */
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} pf_start_params;
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/*! @name User Client Ioctl Interface */
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/*! @{ */
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/*!
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* IOCTL to Initialize the Post Filter.
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*/
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#define PF_IOCTL_INIT _IOW('F',0x0, pf_init_params)
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/*!
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* IOCTL to Uninitialize the Post Filter.
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*/
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#define PF_IOCTL_UNINIT _IO('F',0x1)
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/*!
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* IOCTL to set the buffer mode and allocate buffers if driver allocated.
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*/
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#define PF_IOCTL_REQBUFS _IOWR('F',0x2, pf_reqbufs_params)
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/*!
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* IOCTL to set the buffer mode and allocate buffers if driver allocated.
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*/
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#define PF_IOCTL_QUERYBUF _IOR('F',0x2, pf_buf)
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/*!
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* IOCTL to start post filtering on a frame of data. This ioctl may block until
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* processing is done or return immediately.
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*/
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#define PF_IOCTL_START _IOWR('F',0x3, pf_start_params)
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/*!
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* IOCTL to resume post-filtering after an intra frame pause in H.264 mode.
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*/
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#define PF_IOCTL_RESUME _IOW('F',0x4, int)
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/*!
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* IOCTL to wait for post-filtering to complete.
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*/
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#define PF_IOCTL_WAIT _IOW('F',0x5, int)
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/*! @} */
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#endif /* __INCLUDED_MXC_PF_H__ */
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