[linux-2.6-block.git] / drivers / input / misc / ad714x.h

/*
 * 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);

#endif
Commit	Line	Data
31a62963 BW	1	/*
	2	* AD714X CapTouch Programmable Controller driver (bus interfaces)
	3	*
9eff794b	4	* Copyright 2009-2011 Analog Devices Inc.
31a62963 BW	5	*
	6	* Licensed under the GPL-2 or later.
	7	*/
	8
	9	#ifndef _AD714X_H_
	10	#define _AD714X_H_
	11
	12	#include <linux/types.h>
	13
c0409feb DT	14	#define STAGE_NUM 12
c0409feb DT	15
31a62963	16	struct device;
c0409feb DT	17	struct ad714x_platform_data;
c0409feb DT	18	struct ad714x_driver_data;
31a62963 BW	19	struct ad714x_chip;
31a62963 BW	20
9eff794b	21	typedef int (ad714x_read_t)(struct ad714x_chip , unsigned short, unsigned short *, size_t);
c0409feb DT	22	typedef int (ad714x_write_t)(struct ad714x_chip , unsigned short, unsigned short);
	23
	24	struct ad714x_chip {
c0409feb	25	unsigned short l_state;
9eff794b	26	unsigned short h_state;
c0409feb DT	27	unsigned short c_state;
	28	unsigned short adc_reg[STAGE_NUM];
	29	unsigned short amb_reg[STAGE_NUM];
	30	unsigned short sensor_val[STAGE_NUM];
	31
	32	struct ad714x_platform_data *hw;
	33	struct ad714x_driver_data *sw;
	34
	35	int irq;
	36	struct device *dev;
	37	ad714x_read_t read;
	38	ad714x_write_t write;
	39
	40	struct mutex mutex;
	41
	42	unsigned product;
	43	unsigned version;
	44
	45	__be16 xfer_buf[16] ____cacheline_aligned;
	46
	47	};
31a62963 BW	48
	49	int ad714x_disable(struct ad714x_chip *ad714x);
	50	int ad714x_enable(struct ad714x_chip *ad714x);
	51	struct ad714x_chip ad714x_probe(struct device dev, u16 bus_type, int irq,
	52	ad714x_read_t read, ad714x_write_t write);
31a62963 BW	53
31a62963 BW	54	#endif