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