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/*
* Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
*
* Copyright (C) 2012 Samsung Electronics Co., Ltd.
* Arun Kumar K <arun.kk@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef FIMC_IS_ISP_H_
#define FIMC_IS_ISP_H_
#include "fimc-is-core.h"
#include "fimc-is-pipeline.h"
#define FIMC_IS_ISP_REQ_BUFS_MIN 2
#define ISP_SD_PAD_SINK_DMA 0
#define ISP_SD_PAD_SINK_OTF 1
#define ISP_SD_PAD_SRC 2
#define ISP_SD_PADS_NUM 3
#define ISP_DEF_WIDTH 1296
#define ISP_DEF_HEIGHT 732
#define ISP_MAX_WIDTH 4808
#define ISP_MAX_HEIGHT 3356
#define ISP_MIN_WIDTH 32
#define ISP_MIN_HEIGHT 32
#define ISP_MAX_BUFS 2
/**
* struct fimc_is_isp - ISP context
* @vfd: video device node
* @fh: v4l2 file handle
* @alloc_ctx: videobuf2 memory allocator context
* @subdev: fimc-is-isp subdev
* @vd_pad: media pad for the output video node
* @subdev_pads: the subdev media pads
* @ctrl_handler: v4l2 control handler
* @video_lock: video lock mutex
* @sensor_sd: sensor subdev used with this isp instance
* @pipeline: pipeline instance for this isp context
* @vbq: vb2 buffers queue for ISP output video node
* @wait_queue: list holding buffers waiting to be queued to HW
* @wait_queue_cnt: wait queue number of buffers
* @run_queue: list holding buffers queued to HW
* @run_queue_cnt: run queue number of buffers
* @output_bufs: isp output buffers array
* @out_buf_cnt: number of output buffers in use
* @fmt: output plane format for isp
* @width: user configured input width
* @height: user configured input height
* @size_image: image size in bytes
* @output_state: state of the output video node operations
*/
struct fimc_is_isp {
struct video_device vfd;
struct v4l2_fh fh;
struct vb2_alloc_ctx *alloc_ctx;
struct v4l2_subdev subdev;
struct media_pad vd_pad;
struct media_pad subdev_pads[ISP_SD_PADS_NUM];
struct v4l2_ctrl_handler ctrl_handler;
struct mutex video_lock;
struct v4l2_subdev *sensor_sd;
struct fimc_is_pipeline *pipeline;
struct vb2_queue vbq;
struct list_head wait_queue;
unsigned int wait_queue_cnt;
struct list_head run_queue;
unsigned int run_queue_cnt;
const struct fimc_is_fmt *fmt;
unsigned int width;
unsigned int height;
unsigned int size_image;
unsigned long output_state;
};
int fimc_is_isp_subdev_create(struct fimc_is_isp *isp,
struct vb2_alloc_ctx *alloc_ctx,
struct fimc_is_pipeline *pipeline);
void fimc_is_isp_subdev_destroy(struct fimc_is_isp *isp);
#endif /* FIMC_IS_ISP_H_ */
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