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