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 31