/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 */

#ifndef _SH_CSS_METRICS_H_
#define _SH_CSS_METRICS_H_

#include <type_support.h>

struct sh_css_pc_histogram {
	unsigned length;
	unsigned *run;
	unsigned *stall;
	unsigned *msink;
};

#if !defined(__USE_DESIGNATED_INITIALISERS__)
#define DEFAULT_PC_HISTOGRAM \
{ \
	0, \
	NULL, \
	NULL, \
	NULL \
}
#endif

struct sh_css_binary_metrics {
	unsigned mode;
	unsigned id;
	struct sh_css_pc_histogram isp_histogram;
	struct sh_css_pc_histogram sp_histogram;
	struct sh_css_binary_metrics *next;
};

#if !defined(__USE_DESIGNATED_INITIALISERS__)
#define DEFAULT_BINARY_METRICS \
{ \
	0, \
	0, \
	DEFAULT_PC_HISTOGRAM, \
	DEFAULT_PC_HISTOGRAM, \
	NULL \
}
#endif

struct ia_css_frame_metrics {
	unsigned num_frames;
};

struct sh_css_metrics {
	struct sh_css_binary_metrics *binary_metrics;
	struct ia_css_frame_metrics   frame_metrics;
};

extern struct sh_css_metrics sh_css_metrics;

/* includes ia_css_binary.h, which depends on sh_css_metrics.h */
#include "ia_css_types.h"

/* Sample ISP and SP pc and add to histogram */
void sh_css_metrics_enable_pc_histogram(bool enable);
void sh_css_metrics_start_frame(void);
void sh_css_metrics_start_binary(struct sh_css_binary_metrics *metrics);
void sh_css_metrics_sample_pcs(void);

#endif /* _SH_CSS_METRICS_H_ */