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kernel/linux-imx6_3.14.28/drivers/input/misc/ad714x.h 1.24 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * AD714X CapTouch Programmable Controller driver (bus interfaces)
   *
   * Copyright 2009-2011 Analog Devices Inc.
   *
   * Licensed under the GPL-2 or later.
   */
  
  #ifndef _AD714X_H_
  #define _AD714X_H_
  
  #include <linux/types.h>
  
  #define STAGE_NUM              12
  
  struct device;
  struct ad714x_platform_data;
  struct ad714x_driver_data;
  struct ad714x_chip;
  
  typedef int (*ad714x_read_t)(struct ad714x_chip *, unsigned short, unsigned short *, size_t);
  typedef int (*ad714x_write_t)(struct ad714x_chip *, unsigned short, unsigned short);
  
  struct ad714x_chip {
  	unsigned short l_state;
  	unsigned short h_state;
  	unsigned short c_state;
  	unsigned short adc_reg[STAGE_NUM];
  	unsigned short amb_reg[STAGE_NUM];
  	unsigned short sensor_val[STAGE_NUM];
  
  	struct ad714x_platform_data *hw;
  	struct ad714x_driver_data *sw;
  
  	int irq;
  	struct device *dev;
  	ad714x_read_t read;
  	ad714x_write_t write;
  
  	struct mutex mutex;
  
  	unsigned product;
  	unsigned version;
  
  	__be16 xfer_buf[16] ____cacheline_aligned;
  
  };
  
  int ad714x_disable(struct ad714x_chip *ad714x);
  int ad714x_enable(struct ad714x_chip *ad714x);
  struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq,
  				 ad714x_read_t read, ad714x_write_t write);
  void ad714x_remove(struct ad714x_chip *ad714x);
  
  #endif