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include/pca953x.h
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/* * Copyright 2008 Extreme Engineering Solutions, Inc. * |
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* SPDX-License-Identifier: GPL-2.0 |
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*/ #ifndef __PCA953X_H_ #define __PCA953X_H_ #define PCA953X_IN 0x00 #define PCA953X_OUT 0x01 #define PCA953X_POL 0x02 #define PCA953X_CONF 0x03 #define PCA953X_OUT_LOW 0 #define PCA953X_OUT_HIGH 1 #define PCA953X_POL_NORMAL 0 #define PCA953X_POL_INVERT 1 #define PCA953X_DIR_OUT 0 #define PCA953X_DIR_IN 1 int pca953x_set_val(u8 chip, uint mask, uint data); int pca953x_set_pol(u8 chip, uint mask, uint data); int pca953x_set_dir(u8 chip, uint mask, uint data); int pca953x_get_val(u8 chip); #endif /* __PCA953X_H_ */ |