forked from Minki/linux
4434adff80
Add a debug trace macro for the FIMC-IS ISP subdev and the ISP video node drivers which are going to be added in subsequent patches. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
176 lines
4.9 KiB
C
176 lines
4.9 KiB
C
/*
|
|
* Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
|
|
*
|
|
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
|
|
*
|
|
* Authors: Sylwester Nawrocki <s.nawrocki@samsung.com>
|
|
* Younghwan Joo <yhwan.joo@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_ISP_H_
|
|
#define FIMC_ISP_H_
|
|
|
|
#include <linux/io.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/types.h>
|
|
#include <linux/videodev2.h>
|
|
|
|
#include <media/media-entity.h>
|
|
#include <media/videobuf2-core.h>
|
|
#include <media/v4l2-device.h>
|
|
#include <media/v4l2-mediabus.h>
|
|
#include <media/s5p_fimc.h>
|
|
|
|
extern int fimc_isp_debug;
|
|
|
|
#define isp_dbg(level, dev, fmt, arg...) \
|
|
v4l2_dbg(level, fimc_isp_debug, dev, fmt, ## arg)
|
|
|
|
/* FIXME: revisit these constraints */
|
|
#define FIMC_ISP_SINK_WIDTH_MIN (16 + 8)
|
|
#define FIMC_ISP_SINK_HEIGHT_MIN (12 + 8)
|
|
#define FIMC_ISP_SOURCE_WIDTH_MIN 8
|
|
#define FIMC_ISP_SOURC_HEIGHT_MIN 8
|
|
#define FIMC_ISP_CAC_MARGIN_WIDTH 16
|
|
#define FIMC_ISP_CAC_MARGIN_HEIGHT 12
|
|
|
|
#define FIMC_ISP_SINK_WIDTH_MAX (4000 - 16)
|
|
#define FIMC_ISP_SINK_HEIGHT_MAX (4000 + 12)
|
|
#define FIMC_ISP_SOURCE_WIDTH_MAX 4000
|
|
#define FIMC_ISP_SOURC_HEIGHT_MAX 4000
|
|
|
|
#define FIMC_ISP_NUM_FORMATS 3
|
|
#define FIMC_ISP_REQ_BUFS_MIN 2
|
|
|
|
#define FIMC_ISP_SD_PAD_SINK 0
|
|
#define FIMC_ISP_SD_PAD_SRC_FIFO 1
|
|
#define FIMC_ISP_SD_PAD_SRC_DMA 2
|
|
#define FIMC_ISP_SD_PADS_NUM 3
|
|
#define FIMC_ISP_MAX_PLANES 1
|
|
|
|
/**
|
|
* struct fimc_isp_frame - source/target frame properties
|
|
* @width: full image width
|
|
* @height: full image height
|
|
* @rect: crop/composition rectangle
|
|
*/
|
|
struct fimc_isp_frame {
|
|
u16 width;
|
|
u16 height;
|
|
struct v4l2_rect rect;
|
|
};
|
|
|
|
struct fimc_isp_ctrls {
|
|
struct v4l2_ctrl_handler handler;
|
|
|
|
/* Auto white balance */
|
|
struct v4l2_ctrl *auto_wb;
|
|
/* Auto ISO control cluster */
|
|
struct {
|
|
struct v4l2_ctrl *auto_iso;
|
|
struct v4l2_ctrl *iso;
|
|
};
|
|
/* Adjust - contrast */
|
|
struct v4l2_ctrl *contrast;
|
|
/* Adjust - saturation */
|
|
struct v4l2_ctrl *saturation;
|
|
/* Adjust - sharpness */
|
|
struct v4l2_ctrl *sharpness;
|
|
/* Adjust - brightness */
|
|
struct v4l2_ctrl *brightness;
|
|
/* Adjust - hue */
|
|
struct v4l2_ctrl *hue;
|
|
|
|
/* Auto/manual exposure */
|
|
struct v4l2_ctrl *auto_exp;
|
|
/* Manual exposure value */
|
|
struct v4l2_ctrl *exposure;
|
|
/* AE/AWB lock/unlock */
|
|
struct v4l2_ctrl *aewb_lock;
|
|
/* Exposure metering mode */
|
|
struct v4l2_ctrl *exp_metering;
|
|
/* AFC */
|
|
struct v4l2_ctrl *afc;
|
|
/* ISP image effect */
|
|
struct v4l2_ctrl *colorfx;
|
|
};
|
|
|
|
/**
|
|
* struct fimc_is_video - fimc-is video device structure
|
|
* @vdev: video_device structure
|
|
* @type: video device type (CAPTURE/OUTPUT)
|
|
* @pad: video device media (sink) pad
|
|
* @pending_buf_q: pending buffers queue head
|
|
* @active_buf_q: a queue head of buffers scheduled in hardware
|
|
* @vb_queue: vb2 buffer queue
|
|
* @active_buf_count: number of video buffers scheduled in hardware
|
|
* @frame_count: counter of frames dequeued to user space
|
|
* @reqbufs_count: number of buffers requested with REQBUFS ioctl
|
|
* @format: current pixel format
|
|
*/
|
|
struct fimc_is_video {
|
|
struct video_device vdev;
|
|
enum v4l2_buf_type type;
|
|
struct media_pad pad;
|
|
struct list_head pending_buf_q;
|
|
struct list_head active_buf_q;
|
|
struct vb2_queue vb_queue;
|
|
unsigned int frame_count;
|
|
unsigned int reqbufs_count;
|
|
int streaming;
|
|
const struct fimc_fmt *format;
|
|
};
|
|
|
|
/**
|
|
* struct fimc_isp - FIMC-IS ISP data structure
|
|
* @pdev: pointer to FIMC-IS platform device
|
|
* @alloc_ctx: videobuf2 memory allocator context
|
|
* @subdev: ISP v4l2_subdev
|
|
* @subdev_pads: the ISP subdev media pads
|
|
* @test_pattern: test pattern controls
|
|
* @ctrls: v4l2 controls structure
|
|
* @video_lock: mutex serializing video device and the subdev operations
|
|
* @cac_margin_x: horizontal CAC margin in pixels
|
|
* @cac_margin_y: vertical CAC margin in pixels
|
|
* @state: driver state flags
|
|
* @video_capture: the ISP block video capture device
|
|
*/
|
|
struct fimc_isp {
|
|
struct platform_device *pdev;
|
|
struct vb2_alloc_ctx *alloc_ctx;
|
|
struct v4l2_subdev subdev;
|
|
struct media_pad subdev_pads[FIMC_ISP_SD_PADS_NUM];
|
|
struct v4l2_mbus_framefmt subdev_fmt;
|
|
struct v4l2_ctrl *test_pattern;
|
|
struct fimc_isp_ctrls ctrls;
|
|
|
|
struct mutex video_lock;
|
|
struct mutex subdev_lock;
|
|
|
|
unsigned int cac_margin_x;
|
|
unsigned int cac_margin_y;
|
|
|
|
unsigned long state;
|
|
|
|
struct fimc_is_video video_capture;
|
|
};
|
|
|
|
#define ctrl_to_fimc_isp(_ctrl) \
|
|
container_of(ctrl->handler, struct fimc_isp, ctrls.handler)
|
|
|
|
struct fimc_is;
|
|
|
|
int fimc_isp_subdev_create(struct fimc_isp *isp);
|
|
void fimc_isp_subdev_destroy(struct fimc_isp *isp);
|
|
void fimc_isp_irq_handler(struct fimc_is *is);
|
|
int fimc_is_create_controls(struct fimc_isp *isp);
|
|
int fimc_is_delete_controls(struct fimc_isp *isp);
|
|
const struct fimc_fmt *fimc_isp_find_format(const u32 *pixelformat,
|
|
const u32 *mbus_code, int index);
|
|
#endif /* FIMC_ISP_H_ */
|