/*
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* Rockchip isp1 driver
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*
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* Copyright (C) 2017 Rockchip Electronics Co., Ltd.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _RKISP1_ISP_STATS_H
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#define _RKISP1_ISP_STATS_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 RKISP1_READOUT_WORK_SIZE \
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(8 * sizeof(struct rkisp1_isp_readout_work))
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struct rkisp1_isp_stats_vdev;
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enum rkisp1_isp_readout_cmd {
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RKISP1_ISP_READOUT_MEAS,
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RKISP1_ISP_READOUT_META,
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};
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struct rkisp1_isp_readout_work {
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unsigned int frame_id;
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unsigned int isp_ris;
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enum rkisp1_isp_readout_cmd readout;
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unsigned long long timestamp;
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};
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struct rkisp1_stats_ops {
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void (*get_awb_meas)(struct rkisp1_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf);
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void (*get_aec_meas)(struct rkisp1_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf);
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void (*get_afc_meas)(struct rkisp1_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf);
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void (*get_hst_meas)(struct rkisp1_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf);
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void (*get_bls_meas)(struct rkisp1_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf);
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void (*get_emb_data)(struct rkisp1_isp_stats_vdev *stats_vdev,
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struct rkisp1_stat_buffer *pbuf);
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};
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struct rkisp1_stats_config {
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const int ae_mean_max;
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const int hist_bin_n_max;
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};
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/*
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* struct rkisp1_isp_stats_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 rkisp1_isp_stats_vdev {
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struct rkisp1_vdev_node vnode;
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struct rkisp1_device *dev;
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spinlock_t irq_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;
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struct kfifo rd_kfifo;
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struct tasklet_struct rd_tasklet;
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struct rkisp1_stats_ops *ops;
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struct rkisp1_stats_config *config;
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};
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int rkisp1_stats_isr(struct rkisp1_isp_stats_vdev *stats_vdev, u32 isp_ris);
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int rkisp1_register_stats_vdev(struct rkisp1_isp_stats_vdev *stats_vdev,
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struct v4l2_device *v4l2_dev,
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struct rkisp1_device *dev);
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void rkisp1_unregister_stats_vdev(struct rkisp1_isp_stats_vdev *stats_vdev);
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#endif /* _RKISP1_ISP_STATS_H */
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