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/*
* Copyright (C) 2010 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.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*
* Based on STMP378X PxP driver
* Copyright 2008-2009 Embedded Alley Solutions, Inc All Rights Reserved.
*/
#ifndef _MXC_PXP_V4L2_H
#define _MXC_PXP_V4L2_H
#include <linux/dmaengine.h>
#include <linux/pxp_dma.h>
struct pxp_buffer {
/* Must be first! */
struct videobuf_buffer vb;
/* One descriptor per scatterlist (per frame) */
struct dma_async_tx_descriptor *txd;
struct scatterlist sg[3];
};
struct pxps {
struct platform_device *pdev;
spinlock_t lock;
struct mutex mutex;
int users;
struct video_device *vdev;
struct videobuf_queue s0_vbq;
struct pxp_buffer *active;
struct list_head outq;
struct pxp_channel *pxp_channel[1]; /* We need 1 channel */
struct pxp_config_data pxp_conf;
int output;
u32 *outb;
dma_addr_t outb_phys;
u32 outb_size;
/* Current S0 configuration */
struct pxp_data_format *s0_fmt;
struct v4l2_framebuffer fb;
/* Output overlay support */
int overlay_state;
int global_alpha_state;
u8 global_alpha;
int s1_chromakey_state;
u32 s1_chromakey;
int fb_blank;
};
struct pxp_data_format {
char *name;
unsigned int bpp;
u32 fourcc;
enum v4l2_colorspace colorspace;
};
#endif
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