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FROMLIST: media: rkisp1: add Rockchip ISP1 subdev driver

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Add the subdev driver for rockchip isp1.

Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com>
Signed-off-by: Yichong Zhong <zyc@rock-chips.com>
Signed-off-by: Jacob Chen <cc@rock-chips.com>
Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Allon Huang <allon.huang@rock-chips.com>
Signed-off-by: Tomasz Figa <tfiga@chromium.org>

BUG=b:36227021
TEST=Camera works on Scarlet with the whole series
(am from https://patchwork.linuxtv.org/patch/46244/)

Change-Id: I3d4b7aba7ce2d20f1f7c3983ef9bd301c96e5fb3
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
This commit is contained in:
Jacob Chen 2017-12-18 20:14:34 +08:00 • committed by Tao Huang
commit f508b1a615
2 changed files with 1337 additions and 0 deletions
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drivers/media/platform/rockchip/isp1/rkisp1.c Normal file
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drivers/media/platform/rockchip/isp1/rkisp1.h Normal file
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/*
* Rockchip isp1 driver
*
* Copyright (C) 2017 Rockchip Electronics Co., Ltd.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _RKISP1_H
#define _RKISP1_H
#include <linux/platform_device.h>
#include <media/v4l2-fwnode.h>
#include "common.h"
struct rkisp1_stream;
/*
* struct ispsd_in_fmt - ISP intput-pad format
*
* Translate mbus_code to hardware format values
*
* @bus_width: used for parallel
*/
struct ispsd_in_fmt {
u32 mbus_code;
u8 fmt_type;
u32 mipi_dt;
u32 yuv_seq;
enum rkisp1_fmt_raw_pat_type bayer_pat;
u8 bus_width;
};
struct ispsd_out_fmt {
u32 mbus_code;
u8 fmt_type;
};
struct rkisp1_ie_config {
unsigned int effect;
};
enum rkisp1_isp_pad {
RKISP1_ISP_PAD_SINK,
RKISP1_ISP_PAD_SINK_PARAMS,
RKISP1_ISP_PAD_SOURCE_PATH,
RKISP1_ISP_PAD_SOURCE_STATS,
RKISP1_ISP_PAD_MAX
};
/*
* struct rkisp1_isp_subdev - ISP sub-device
*
* See Cropping regions of ISP in rkisp1.c for details
* @in_frm: input size, don't have to be equal to sensor size
* @in_fmt: intput format
* @in_crop: crop for sink pad
* @out_fmt: output format
* @out_crop: output size
*
* @dphy_errctrl_disabled: if dphy errctrl is disabled(avoid endless interrupt)
* @frm_sync_seq: frame sequence, to sync frame_id between video devices.
* @quantization: output quantization
*/
struct rkisp1_isp_subdev {
struct v4l2_subdev sd;
struct media_pad pads[RKISP1_ISP_PAD_MAX];
struct v4l2_ctrl_handler ctrl_handler;
struct v4l2_mbus_framefmt in_frm;
struct ispsd_in_fmt in_fmt;
struct v4l2_rect in_crop;
struct ispsd_out_fmt out_fmt;
struct v4l2_rect out_crop;
bool dphy_errctrl_disabled;
atomic_t frm_sync_seq;
enum v4l2_quantization quantization;
};
int rkisp1_register_isp_subdev(struct rkisp1_device *isp_dev,
struct v4l2_device *v4l2_dev);
void rkisp1_unregister_isp_subdev(struct rkisp1_device *isp_dev);
void rkisp1_mipi_isr(unsigned int mipi_mis, struct rkisp1_device *dev);
void rkisp1_isp_isr(unsigned int isp_mis, struct rkisp1_device *dev);
static inline
struct ispsd_out_fmt *rkisp1_get_ispsd_out_fmt(struct rkisp1_isp_subdev *isp_sdev)
{
return &isp_sdev->out_fmt;
}
static inline
struct ispsd_in_fmt *rkisp1_get_ispsd_in_fmt(struct rkisp1_isp_subdev *isp_sdev)
{
return &isp_sdev->in_fmt;
}
static inline
struct v4l2_rect *rkisp1_get_isp_sd_win(struct rkisp1_isp_subdev *isp_sdev)
{
return &isp_sdev->out_crop;
}
#endif /* _RKISP1_H */