| Bryan Wu | 31a6296 | 2010-03-21 23:23:24 -0700 | [diff] [blame] | 1 | /* |
| 2 | * AD714X CapTouch Programmable Controller driver (bus interfaces) |
| 3 | * |
| Michael Hennerich | 9eff794b7 | 2011-08-22 09:45:42 -0700 | [diff] [blame] | 4 | * Copyright 2009-2011 Analog Devices Inc. |
| Bryan Wu | 31a6296 | 2010-03-21 23:23:24 -0700 | [diff] [blame] | 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 | |
| Dmitry Torokhov | c0409fe | 2011-08-22 09:45:39 -0700 | [diff] [blame] | 14 | #define STAGE_NUM 12 |
| 15 | |
| Bryan Wu | 31a6296 | 2010-03-21 23:23:24 -0700 | [diff] [blame] | 16 | struct device; |
| Dmitry Torokhov | c0409fe | 2011-08-22 09:45:39 -0700 | [diff] [blame] | 17 | struct ad714x_platform_data; |
| 18 | struct ad714x_driver_data; |
| Bryan Wu | 31a6296 | 2010-03-21 23:23:24 -0700 | [diff] [blame] | 19 | struct ad714x_chip; |
| 20 | |
| Michael Hennerich | 9eff794b7 | 2011-08-22 09:45:42 -0700 | [diff] [blame] | 21 | typedef int (*ad714x_read_t)(struct ad714x_chip *, unsigned short, unsigned short *, size_t); |
| Dmitry Torokhov | c0409fe | 2011-08-22 09:45:39 -0700 | [diff] [blame] | 22 | typedef int (*ad714x_write_t)(struct ad714x_chip *, unsigned short, unsigned short); |
| 23 | |
| 24 | struct ad714x_chip { |
| Dmitry Torokhov | c0409fe | 2011-08-22 09:45:39 -0700 | [diff] [blame] | 25 | unsigned short l_state; |
| Michael Hennerich | 9eff794b7 | 2011-08-22 09:45:42 -0700 | [diff] [blame] | 26 | unsigned short h_state; |
| Dmitry Torokhov | c0409fe | 2011-08-22 09:45:39 -0700 | [diff] [blame] | 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 | }; |
| Bryan Wu | 31a6296 | 2010-03-21 23:23:24 -0700 | [diff] [blame] | 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); |
| 53 | void ad714x_remove(struct ad714x_chip *ad714x); |
| 54 | |
| 55 | #endif |