/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd. */
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#ifndef _RKISP_ISP_LUMA_H
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#define _RKISP_ISP_LUMA_H
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#include <linux/rk-isp1-config.h>
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#include <linux/interrupt.h>
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#include <linux/kfifo.h>
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#include "common.h"
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#define RKISP_LUMA_READOUT_WORK_SIZE \
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(9 * sizeof(struct rkisp_luma_readout_work))
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#define RKISP_LUMA_YSTAT_ISR_NUM 4
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struct rkisp_luma_vdev;
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enum rkisp_luma_readout_cmd {
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RKISP_ISP_READOUT_LUMA,
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};
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enum rkisp_luma_frm_mode {
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RKISP_LUMA_ONEFRM,
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RKISP_LUMA_TWOFRM,
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RKISP_LUMA_THREEFRM,
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};
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struct rkisp_luma_readout_work {
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enum rkisp_luma_readout_cmd readout;
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unsigned long long timestamp;
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unsigned int meas_type;
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unsigned int frame_id;
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struct rkisp_mipi_luma luma[ISP2X_MIPI_RAW_MAX];
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};
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/*
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* struct rkisp_isp_luma_vdev - ISP Statistics device
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*
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* @irq_lock: buffer queue lock
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* @stat: stats buffer list
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* @readout_wq: workqueue for statistics information read
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*/
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struct rkisp_luma_vdev {
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struct rkisp_vdev_node vnode;
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struct rkisp_device *dev;
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spinlock_t irq_lock; /* tasklet queue lock */
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struct list_head stat;
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struct v4l2_format vdev_fmt;
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bool streamon;
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spinlock_t rd_lock; /* buffer queue lock */
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struct kfifo rd_kfifo;
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struct tasklet_struct rd_tasklet;
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unsigned int ystat_isrcnt[ISP2X_MIPI_RAW_MAX];
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bool ystat_rdflg[ISP2X_MIPI_RAW_MAX];
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struct rkisp_luma_readout_work work;
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};
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#if IS_ENABLED(CONFIG_VIDEO_ROCKCHIP_ISP_VERSION_V20)
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void rkisp_luma_isr(struct rkisp_luma_vdev *luma_vdev, u32 isp_stat);
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int rkisp_register_luma_vdev(struct rkisp_luma_vdev *luma_vdev,
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struct v4l2_device *v4l2_dev,
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struct rkisp_device *dev);
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void rkisp_unregister_luma_vdev(struct rkisp_luma_vdev *luma_vdev);
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#else
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static inline void rkisp_unregister_luma_vdev(struct rkisp_luma_vdev *luma_vdev) {}
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static inline int rkisp_register_luma_vdev(struct rkisp_luma_vdev *luma_vdev,
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struct v4l2_device *v4l2_dev,
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struct rkisp_device *dev)
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{
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return 0;
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}
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#endif
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#endif /* _RKISP_ISP_LUMA_H */
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