56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
/*
|
|
* 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);
|
|
void ad714x_remove(struct ad714x_chip *ad714x);
|
|
|
|
#endif
|