88 lines
2.0 KiB
C
88 lines
2.0 KiB
C
/*
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* Copyright (C) 2010-2014 Freescale Semiconductor, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/*
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* Based on STMP378X PxP driver
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* Copyright 2008-2009 Embedded Alley Solutions, Inc All Rights Reserved.
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*/
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#ifndef _MXC_PXP_V4L2_H
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#define _MXC_PXP_V4L2_H
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#include <linux/dmaengine.h>
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#include <linux/pxp_dma.h>
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struct pxp_buffer {
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/* Must be first! */
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struct videobuf_buffer vb;
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/* One descriptor per scatterlist (per frame) */
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struct dma_async_tx_descriptor *txd;
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struct scatterlist sg[3];
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};
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struct dma_mem {
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void *vaddr;
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dma_addr_t paddr;
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size_t size;
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};
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struct pxps {
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struct platform_device *pdev;
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spinlock_t lock;
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struct mutex mutex;
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int users;
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struct video_device *vdev;
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struct videobuf_queue s0_vbq;
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struct pxp_buffer *active;
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struct list_head outq;
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struct pxp_channel *pxp_channel[1]; /* We need 1 channel */
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struct pxp_config_data pxp_conf;
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struct dma_mem outbuf;
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int output;
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/* Current S0 configuration */
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struct pxp_data_format *s0_fmt;
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struct fb_info *fbi;
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struct v4l2_framebuffer fb;
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/* Output overlay support */
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int overlay_state;
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int global_alpha_state;
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u8 global_alpha;
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int s1_chromakey_state;
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u32 s1_chromakey;
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int fb_blank;
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};
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struct pxp_data_format {
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char *name;
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unsigned int bpp;
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u32 fourcc;
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enum v4l2_colorspace colorspace;
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};
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#endif
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