/* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that 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 __MSM_ISP_UTIL_H__
#define __MSM_ISP_UTIL_H__

#include "msm_isp.h"
#include <soc/qcom/camera2.h>
#include "msm_camera_io_util.h"

/* #define CONFIG_MSM_ISP_DBG 1 */

#ifdef CONFIG_MSM_ISP_DBG
#define ISP_DBG(fmt, args...) printk(fmt, ##args)
#else
#define ISP_DBG(fmt, args...) pr_debug(fmt, ##args)
#endif

#define ALT_VECTOR_IDX(x) {x = 3 - x; }
#define MAX_ISP_PING_PONG_DUMP_SIZE 20
struct ping_pong_state {
	uint32_t vfe_id;
	uint32_t irq_status0;
	uint32_t irq_status1;
	uint32_t ping_pong_status;
	uint32_t core;
	struct msm_isp_timestamp ts;
};
struct dual_vfe_state {
	struct ping_pong_state current_vfe_irq;
	struct ping_pong_state other_vfe;
};
struct dump_ping_pong_state {
	struct dual_vfe_state arr[MAX_ISP_PING_PONG_DUMP_SIZE];
	uint32_t first;
	uint32_t fill_count;
	struct vfe_device *vfe_dev;
};

void msm_isp_dump_ping_pong_mismatch(void);
void msm_isp_get_status(struct vfe_device *vfe_dev,
	uint32_t *irq_status0, uint32_t *irq_status1);
void msm_isp_dump_taskelet_debug(void);
uint32_t msm_isp_get_framedrop_period(
	enum msm_vfe_frame_skip_pattern frame_skip_pattern);
void msm_isp_reset_burst_count_and_frame_drop(
	struct vfe_device *vfe_dev, struct msm_vfe_axi_stream *stream_info);

int msm_isp_init_bandwidth_mgr(struct vfe_device *vfe_dev,
			enum msm_isp_hw_client client);
int msm_isp_update_bandwidth(enum msm_isp_hw_client client,
			uint64_t ab, uint64_t ib);
void msm_isp_util_get_bandwidth_stats(struct vfe_device *vfe_dev,
				      struct msm_isp_statistics *stats);
void msm_isp_util_update_last_overflow_ab_ib(struct vfe_device *vfe_dev);
void msm_isp_util_update_clk_rate(long clock_rate);
void msm_isp_update_req_history(uint32_t client, uint64_t ab,
				uint64_t ib,
				struct msm_isp_bandwidth_info *client_info,
				unsigned long long ts);
void msm_isp_deinit_bandwidth_mgr(enum msm_isp_hw_client client);

int msm_isp_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
	struct v4l2_event_subscription *sub);

int msm_isp_unsubscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
	struct v4l2_event_subscription *sub);

int msm_isp_proc_cmd(struct vfe_device *vfe_dev, void *arg);
int msm_isp_send_event(struct vfe_device *vfe_dev,
	uint32_t type, struct msm_isp_event_data *event_data);
int msm_isp_cal_word_per_line(uint32_t output_format,
	uint32_t pixel_per_line);
int msm_isp_get_bit_per_pixel(uint32_t output_format);
enum msm_isp_pack_fmt msm_isp_get_pack_format(uint32_t output_format);
irqreturn_t msm_isp_process_irq(int irq_num, void *data);
int msm_isp_set_src_state(struct vfe_device *vfe_dev, void *arg);
void msm_isp_do_tasklet(unsigned long data);
void msm_isp_update_error_frame_count(struct vfe_device *vfe_dev);
void msm_isp_process_error_info(struct vfe_device *vfe_dev);
int msm_isp_open_node(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh);
int msm_isp_close_node(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh);
long msm_isp_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg);
void msm_isp_fetch_engine_done_notify(struct vfe_device *vfe_dev,
	struct msm_vfe_fetch_engine_info *fetch_engine_info);
void msm_isp_print_fourcc_error(const char *origin, uint32_t fourcc_format);
void msm_isp_flush_tasklet(struct vfe_device *vfe_dev);
void msm_isp_save_framedrop_values(struct vfe_device *vfe_dev,
	enum msm_vfe_input_src frame_src);
void msm_isp_get_timestamp(struct msm_isp_timestamp *time_stamp,
	struct vfe_device *vfe_dev);
void msm_isp_process_overflow_irq(
	struct vfe_device *vfe_dev,
	uint32_t *irq_status0, uint32_t *irq_status1,
	uint32_t force_overflow);
#endif /* __MSM_ISP_UTIL_H__ */