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/*
* OMAP3 ISP library - OMAP3 ISP private header
*
* Copyright (C) 2010-2011 Ideas on board SPRL
*
* Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* This library 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 Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __OMAP3ISP_PRIV_H
#define __OMAP3ISP_PRIV_H
#include <linux/omap3isp.h>
#include <linux/v4l2-mediabus.h>
#include "omap3isp.h"
#include "stats-priv.h"
#include "tools.h"
struct omap3_isp_device;
/*
* struct omap3_isp_pad - OMAP3 entity pad
* @link: Link connected to the pad
* @crop: Crop rectangle
* @format: Format on the pad
*/
struct omap3_isp_pad {
struct media_entity_link *link;
struct v4l2_rect crop;
struct v4l2_mbus_framefmt format;
};
enum omap3_isp_entity_type {
OMAP3_ISP_ENTITY_ENTITY,
OMAP3_ISP_ENTITY_POOL,
OMAP3_ISP_ENTITY_VIDEO,
};
/*
* struct omap3_isp_entity - OMAP3 entity in a pipeline
* @list: Entities list
* @type: Entity type
* @entity: Media entity information
* @sink: Sink pad
* @source: Sink pad
* @last: Indicates whether this is the last entity in the pipeline
*/
struct omap3_isp_entity {
struct list_entry list;
enum omap3_isp_entity_type type;
struct media_entity *entity;
struct omap3_isp_pad sink;
struct omap3_isp_pad source;
bool last;
};
/*
* struct omap3_isp_video - OMAP3 video device
* @entity: OMAP3 entity
* @isp: OMAP3 ISP device
* @video: V4L2 capture device
* @format: Current video format
* @pool: Buffers pool
* @queued: Number of buffers queued to the driver
* @running: Whether video capture is running on the device
*/
struct omap3_isp_video {
struct omap3_isp_entity entity;
struct omap3_isp_device *isp;
struct v4l2_device *video;
struct v4l2_mbus_framefmt format;
struct v4l2_buffers_pool *pool;
unsigned int queued;
bool running;
};
#define to_omap3_isp_video(e) container_of(e, struct omap3_isp_video, entity)
/*
* struct omap3_isp_pool - OMAP3 buffers pool
* @entity: OMAP3 entity
* @list: Pools list
* @isp: OMAP3 ISP device
* @input: Capture video device
* @output: Output video device
* @pool: Buffers pool
*/
struct omap3_isp_pool {
struct omap3_isp_entity entity;
struct list_entry list;
struct omap3_isp_device *isp;
struct omap3_isp_video *input;
struct omap3_isp_video *output;
struct v4l2_buffers_pool *pool;
};
#define to_omap3_isp_pool(e) container_of(e, struct omap3_isp_pool, entity)
/*
* struct omap3_isp_resizer - OMAP3 ISP resizer parameters in a pipeline
* @entity: The resizer entity
* @zoom_min: Crop rectangle at minimum zoom
* @zoom_max: Crop rectangle at maximum zoom (up to x4.0)
* @pan_x: Zoom center along X axis
* @pan_y: Zoom center along Y axis
* @zoom: Zoom level (0.0 - 1.0)
*/
struct omap3_isp_resizer {
struct omap3_isp_entity *entity;
struct v4l2_rect zoom_min;
struct v4l2_rect zoom_max;
};
enum omap3_isp_pipeline_state {
OMAP3_ISP_PIPELINE_STOPPED,
OMAP3_ISP_PIPELINE_RUNNING,
OMAP3_ISP_PIPELINE_SUSPENDED,
};
/*
* struct omap3_isp_pipeline - OMAP3 pipeline
* @entitites: Entities in the pipeline
* @scaler: Whether scaling should be performed on the ISP or the sensor
* @pools: Pools in the pipeline
* @input: Video device at the input of the pipeline
* @output: Video device at the output of the pipeline
* @state: Pipeline state
*/
struct omap3_isp_pipeline {
struct list_entry entities;
enum omap3_isp_scaler scaler;
struct list_entry pools;
struct omap3_isp_video *input;
struct omap3_isp_video *output;
enum omap3_isp_pipeline_state state;
struct omap3_isp_resizer resizer;
};
enum omap3_isp_state {
OMAP3_ISP_IDLE,
OMAP3_ISP_VIEWFINDER,
OMAP3_ISP_SNAPSHOT,
OMAP3_ISP_SCALER,
};
struct omap3_isp_device {
struct media_device *mdev;
struct {
struct media_entity *entity;
struct v4l2_mbus_framefmt format;
bool has_color_gains;
bool has_global_gain;
} sensor;
struct {
struct media_entity *entity;
} ccdc;
struct {
struct media_entity *entity;
struct omap3isp_prev_wbal wbal;
} preview;
struct {
struct media_entity *entity;
} resizer;
struct omap3_isp_aewb aewb;
struct omap3_isp_pipeline viewfinder;
struct omap3_isp_pipeline snapshot;
struct omap3_isp_pipeline scaler;
enum omap3_isp_state state;
const struct omap3_isp_operations *ops;
};
#endif
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