/*
 * linux-3.10/drivers/media/platform/sunxi-vfe/csi/sunxi_csi.h
 *
 * Copyright (c) 2007-2017 Allwinnertech Co., Ltd.
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * 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.
 *
 */


/* 
 ***************************************************************************************
 * 
 * sunxi_csi.h
 * 
 * Hawkview ISP - sunxi_csi.h module
 * 
 * Copyright (c) 2015 by Allwinnertech Co., Ltd.  http://www.allwinnertech.com
 * 
 * Version		  Author         Date		    Description
 * 
 *   3.0		  Yang Feng   	2015/02/27	ISP Tuning Tools Support
 * 
 ****************************************************************************************
 */

#ifndef _SUNXI_CSI_H_
#define _SUNXI_CSI_H_

#include "../platform_cfg.h"

#define VIDIOC_SUNXI_CSI_GET_FRM_SIZE 			1
#define VIDIOC_SUNXI_CSI_SET_CORE_CLK 			2
#define VIDIOC_SUNXI_CSI_SET_M_CLK 			3

#define CSI_CORE_CLK_RATE (300*1000*1000)

enum{
	CSI_CORE_CLK = 0,
	CSI_MASTER_CLK,
	CSI_MISC_CLK,
	CSI_CORE_CLK_SRC,	
	CSI_MASTER_CLK_24M_SRC,
	CSI_MASTER_CLK_PLL_SRC,		
	CSI_CLK_NUM,
}; 

#define NOCLK 			0xff

struct csi_dev
{
	int use_cnt;
	struct v4l2_subdev subdev;
	struct platform_device  *pdev;
	unsigned int id;
	spinlock_t slock;
	struct mutex subdev_lock;
	int irq;  
	wait_queue_head_t   wait;
	void __iomem      *base;
	struct bus_info         bus_info;
	struct frame_info       frame_info;
	struct frame_arrange    arrange;
	unsigned int            capture_mode;
	struct list_head		csi_list;	
	struct pinctrl		 	*pctrl;
	struct clk				*clock[CSI_CLK_NUM];
};

void sunxi_csi_dump_regs(struct v4l2_subdev *sd);
int sunxi_csi_get_subdev(struct v4l2_subdev **sd, int sel);
int sunxi_csi_put_subdev(struct v4l2_subdev **sd, int sel);
int sunxi_csi_register_subdev(struct v4l2_device *v4l2_dev, struct v4l2_subdev *sd);
void sunxi_csi_unregister_subdev(struct v4l2_subdev *sd);
int sunxi_csi_platform_register(void);
void sunxi_csi_platform_unregister(void);


#endif /*_SUNXI_CSI_H_*/