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kernel/linux-rt-4.4.41/drivers/media/platform/omap3isp/ispccp2.h 2.01 KB
5113f6f70   김현기   kernel add
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  /*
   * 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@iki.fi>
   *
   * 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.
   */
  
  #ifndef OMAP3_ISP_CCP2_H
  #define OMAP3_ISP_CCP2_H
  
  #include <linux/videodev2.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];
  
  	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;
  	struct regulator *vdds_csib;
  	enum isp_pipeline_stream_state state;
  	wait_queue_head_t wait;
  	atomic_t stopping;
  };
  
  /* Function declarations */
  int omap3isp_ccp2_init(struct isp_device *isp);
  void omap3isp_ccp2_cleanup(struct isp_device *isp);
  int omap3isp_ccp2_register_entities(struct isp_ccp2_device *ccp2,
  			struct v4l2_device *vdev);
  void omap3isp_ccp2_unregister_entities(struct isp_ccp2_device *ccp2);
  void omap3isp_ccp2_isr(struct isp_ccp2_device *ccp2);
  
  #endif	/* OMAP3_ISP_CCP2_H */