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kernel/linux-rt-4.4.41/drivers/media/platform/vsp1/vsp1.h 1.93 KB
5113f6f70   김현기   kernel add
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  /*
   * vsp1.h  --  R-Car VSP1 Driver
   *
   * Copyright (C) 2013-2014 Renesas Electronics Corporation
   *
   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   */
  #ifndef __VSP1_H__
  #define __VSP1_H__
  
  #include <linux/io.h>
  #include <linux/list.h>
  #include <linux/mutex.h>
  
  #include <media/media-device.h>
  #include <media/v4l2-device.h>
  #include <media/v4l2-subdev.h>
  
  #include "vsp1_regs.h"
  
  struct clk;
  struct device;
  
  struct vsp1_platform_data;
  struct vsp1_bru;
  struct vsp1_hsit;
  struct vsp1_lif;
  struct vsp1_lut;
  struct vsp1_rwpf;
  struct vsp1_sru;
  struct vsp1_uds;
  
  #define VSP1_MAX_RPF		5
  #define VSP1_MAX_UDS		3
  #define VSP1_MAX_WPF		4
  
  #define VSP1_HAS_LIF		(1 << 0)
  #define VSP1_HAS_LUT		(1 << 1)
  #define VSP1_HAS_SRU		(1 << 2)
  
  struct vsp1_platform_data {
  	unsigned int features;
  	unsigned int rpf_count;
  	unsigned int uds_count;
  	unsigned int wpf_count;
  };
  
  struct vsp1_device {
  	struct device *dev;
  	struct vsp1_platform_data pdata;
  
  	void __iomem *mmio;
  	struct clk *clock;
  
  	struct mutex lock;
  	int ref_count;
  
  	struct vsp1_bru *bru;
  	struct vsp1_hsit *hsi;
  	struct vsp1_hsit *hst;
  	struct vsp1_lif *lif;
  	struct vsp1_lut *lut;
  	struct vsp1_rwpf *rpf[VSP1_MAX_RPF];
  	struct vsp1_sru *sru;
  	struct vsp1_uds *uds[VSP1_MAX_UDS];
  	struct vsp1_rwpf *wpf[VSP1_MAX_WPF];
  
  	struct list_head entities;
  
  	struct v4l2_device v4l2_dev;
  	struct media_device media_dev;
  };
  
  int vsp1_device_get(struct vsp1_device *vsp1);
  void vsp1_device_put(struct vsp1_device *vsp1);
  
  static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg)
  {
  	return ioread32(vsp1->mmio + reg);
  }
  
  static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data)
  {
  	iowrite32(data, vsp1->mmio + reg);
  }
  
  #endif /* __VSP1_H__ */