/* * 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