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85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
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/**********************************************************************
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*
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* Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
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* Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful but, except
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* as otherwise stated in writing, without any warranty; without even the
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* implied warranty of merchantability or fitness for a particular purpose.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Contact Information:
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* Imagination Technologies Ltd. <gpl-support@imgtec.com>
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* Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
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*
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******************************************************************************/
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#ifndef __BC_CAT_H__
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#define __BC_CAT_H__
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#include <linux/ioctl.h>
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#define BC_FOURCC(a,b,c,d) \
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((unsigned long) ((a) | (b)<<8 | (c)<<16 | (d)<<24))
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#define BC_PIX_FMT_NV12 BC_FOURCC('N', 'V', '1', '2') /*YUV 4:2:0*/
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#define BC_PIX_FMT_UYVY BC_FOURCC('U', 'Y', 'V', 'Y') /*YUV 4:2:2*/
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#define BC_PIX_FMT_YUYV BC_FOURCC('Y', 'U', 'Y', 'V') /*YUV 4:2:2*/
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#define BC_PIX_FMT_RGB565 BC_FOURCC('R', 'G', 'B', 'P') /*RGB 5:6:5*/
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enum BC_memory {
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BC_MEMORY_MMAP = 1,
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BC_MEMORY_USERPTR = 2,
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};
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typedef struct BCIO_package_TAG {
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int input;
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int output;
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}BCIO_package;
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/*
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* the following types are tested for fourcc in struct bc_buf_params_t
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* NV12
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* UYVY
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* RGB565 - not tested yet
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* YUYV
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*/
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typedef struct bc_buf_params {
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int count; /*number of buffers, [in/out]*/
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int width; /*buffer width in pixel, multiple of 8 or 32*/
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int height; /*buffer height in pixel*/
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unsigned int fourcc; /*buffer pixel format*/
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enum BC_memory type;
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} bc_buf_params_t;
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typedef struct bc_buf_ptr {
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unsigned int index;
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int size;
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unsigned long pa;
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} bc_buf_ptr_t;
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#define BCIO_GID 'g'
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#define BC_IOWR(INDEX) _IOWR(BCIO_GID, INDEX, BCIO_package)
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#define BCIOGET_BUFFERCOUNT BC_IOWR(0) /*obsolete, since BCIOREQ_BUFFERS
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return the number of buffers*/
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#define BCIOGET_BUFFERPHYADDR BC_IOWR(1) /*get physical address by index*/
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#define BCIOGET_BUFFERIDX BC_IOWR(2) /*get index by physical address*/
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#define BCIOREQ_BUFFERS BC_IOWR(3)
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#define BCIOSET_BUFFERPHYADDR BC_IOWR(4)
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#endif
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