drivers/input/touchscreen/ad7879.h

   1 /*
   2  * AD7879/AD7889 touchscreen (bus interfaces)
   3  *
   4  * Copyright (C) 2008-2010 Michael Hennerich, Analog Devices Inc.
   5  *
   6  * Licensed under the GPL-2 or later.
   7  */
   8
   9 #ifndef _AD7879_H_
  10 #define _AD7879_H_
  11
  12 #include <linux/types.h>
  13
  14 struct ad7879;
  15 struct device;
  16
  17 struct ad7879_bus_ops {
  18         u16 bustype;
  19         int (*read)(struct device *dev, u8 reg);
  20         int (*multi_read)(struct device *dev, u8 first_reg, u8 count, u16 *buf);
  21         int (*write)(struct device *dev, u8 reg, u16 val);
  22 };
  23
  24 extern const struct dev_pm_ops ad7879_pm_ops;
  25
  26 struct ad7879 *ad7879_probe(struct device *dev, u8 devid, unsigned irq,
  27                             const struct ad7879_bus_ops *bops);
  28 void ad7879_remove(struct ad7879 *);
  29
  30 #endif