/*
 * ispccp2.h
 *
 * TI OMAP3 ISP - CCP2 module
 *
 * Copyright (C) 2010 Nokia Corporation
 * Copyright (C) 2010 Texas Instruments, Inc.
 *
 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 *	     Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 */

#ifndef OMAP3_ISP_CCP2_H
#define OMAP3_ISP_CCP2_H

#include <linux/videodev2.h>
#include <media/v4l2-ctrls.h>

struct isp_device;
struct isp_csiphy;

/* Sink and source ccp2 pads */
#define CCP2_PAD_SINK			0
#define CCP2_PAD_SOURCE			1
#define CCP2_PADS_NUM			2

/* CCP2 input media entity */
enum ccp2_input_entity {
	CCP2_INPUT_NONE,
	CCP2_INPUT_SENSOR,
	CCP2_INPUT_MEMORY,
};

/* CCP2 output media entity */
enum ccp2_output_entity {
	CCP2_OUTPUT_NONE,
	CCP2_OUTPUT_CCDC,
	CCP2_OUTPUT_MEMORY,
};


/* Logical channel configuration */
struct isp_interface_lcx_config {
	int crc;
	u32 data_start;
	u32 data_size;
	u32 format;
};

/* Memory channel configuration */
struct isp_interface_mem_config {
	u32 dst_port;
	u32 vsize_count;
	u32 hsize_count;
	u32 src_ofst;
	u32 dst_ofst;
};

/* CCP2 device */
struct isp_ccp2_device {
	struct v4l2_subdev subdev;
	struct v4l2_mbus_framefmt formats[CCP2_PADS_NUM];
	struct media_pad pads[CCP2_PADS_NUM];

	struct v4l2_ctrl_handler ctrls;

	enum ccp2_input_entity input;
	enum ccp2_output_entity output;
	struct isp_interface_lcx_config if_cfg;
	struct isp_interface_mem_config mem_cfg;
	struct isp_video video_in;
	struct isp_csiphy *phy;
	unsigned int error;
	enum isp_pipeline_stream_state state;
	wait_queue_head_t wait;
	atomic_t stopping;
};

/* Function declarations */
int isp_ccp2_init(struct isp_device *isp);
void isp_ccp2_cleanup(struct isp_device *isp);
int isp_ccp2_register_entities(struct isp_ccp2_device *ccp2,
			struct v4l2_device *vdev);
void isp_ccp2_unregister_entities(struct isp_ccp2_device *ccp2);
int ispccp2_isr(struct isp_ccp2_device *ccp2);

#endif	/* OMAP3_ISP_CCP2_H */