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| author | Mike Frysinger <vapier@gentoo.org> | 2010-06-30 12:40:52 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-07-04 00:13:03 +0400 |
| commit | 4397c98a8a60ba029f2d0051d0cbafe600f05d8c (patch) | |
| tree | 8aed8bdd4b811051fc877b1f08e7b68d343a12e4 /drivers/input/touchscreen/ad7879.h | |
| parent | 7cd7a82d16ad5a711338c1baf2316f24121d93aa (diff) | |
| download | linux-4397c98a8a60ba029f2d0051d0cbafe600f05d8c.tar.xz | |
Input: ad7879 - split bus logic out
The ad7879 driver is using the old bus method of only supporting one
at a time (I2C or SPI). So refactor it like the other input drivers
that support multiple busses simultaneously.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/touchscreen/ad7879.h')
| -rw-r--r-- | drivers/input/touchscreen/ad7879.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/ad7879.h b/drivers/input/touchscreen/ad7879.h new file mode 100644 index 000000000000..169f155db3b9 --- /dev/null +++ b/drivers/input/touchscreen/ad7879.h @@ -0,0 +1,30 @@ +/* + * AD7879/AD7889 touchscreen (bus interfaces) + * + * Copyright (C) 2008-2010 Michael Hennerich, Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef _AD7879_H_ +#define _AD7879_H_ + +#include <linux/types.h> + +struct ad7879; +struct device; + +struct ad7879_bus_ops { + u16 bustype; + int (*read)(struct device *dev, u8 reg); + int (*multi_read)(struct device *dev, u8 first_reg, u8 count, u16 *buf); + int (*write)(struct device *dev, u8 reg, u16 val); +}; + +void ad7879_disable(struct ad7879 *); +void ad7879_enable(struct ad7879 *); +struct ad7879 *ad7879_probe(struct device *dev, u8 devid, unsigned irq, + const struct ad7879_bus_ops *bops); +void ad7879_remove(struct ad7879 *); + +#endif |