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53 lines
1.2 KiB
53 lines
1.2 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* AD714X CapTouch Programmable Controller driver (bus interfaces) |
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* |
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* Copyright 2009-2011 Analog Devices Inc. |
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*/ |
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#ifndef _AD714X_H_ |
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#define _AD714X_H_ |
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#include <linux/types.h> |
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#define STAGE_NUM 12 |
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struct device; |
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struct ad714x_platform_data; |
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struct ad714x_driver_data; |
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struct ad714x_chip; |
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typedef int (*ad714x_read_t)(struct ad714x_chip *, unsigned short, unsigned short *, size_t); |
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typedef int (*ad714x_write_t)(struct ad714x_chip *, unsigned short, unsigned short); |
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struct ad714x_chip { |
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unsigned short l_state; |
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unsigned short h_state; |
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unsigned short c_state; |
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unsigned short adc_reg[STAGE_NUM]; |
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unsigned short amb_reg[STAGE_NUM]; |
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unsigned short sensor_val[STAGE_NUM]; |
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struct ad714x_platform_data *hw; |
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struct ad714x_driver_data *sw; |
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int irq; |
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struct device *dev; |
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ad714x_read_t read; |
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ad714x_write_t write; |
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struct mutex mutex; |
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unsigned product; |
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unsigned version; |
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__be16 xfer_buf[16] ____cacheline_aligned; |
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}; |
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int ad714x_disable(struct ad714x_chip *ad714x); |
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int ad714x_enable(struct ad714x_chip *ad714x); |
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struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq, |
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ad714x_read_t read, ad714x_write_t write); |
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#endif
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