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Commit | Line | Data |
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e92739d3 PT |
1 | /* |
2 | * Copyright 2008 Extreme Engineering Solutions, Inc. | |
3 | * | |
5b8031cc | 4 | * SPDX-License-Identifier: GPL-2.0 |
e92739d3 PT |
5 | */ |
6 | ||
7 | #ifndef __PCA953X_H_ | |
8 | #define __PCA953X_H_ | |
9 | ||
10 | #define PCA953X_IN 0x00 | |
11 | #define PCA953X_OUT 0x01 | |
12 | #define PCA953X_POL 0x02 | |
13 | #define PCA953X_CONF 0x03 | |
14 | ||
15 | #define PCA953X_OUT_LOW 0 | |
16 | #define PCA953X_OUT_HIGH 1 | |
17 | #define PCA953X_POL_NORMAL 0 | |
18 | #define PCA953X_POL_INVERT 1 | |
19 | #define PCA953X_DIR_OUT 0 | |
20 | #define PCA953X_DIR_IN 1 | |
21 | ||
22 | int pca953x_set_val(u8 chip, uint mask, uint data); | |
23 | int pca953x_set_pol(u8 chip, uint mask, uint data); | |
24 | int pca953x_set_dir(u8 chip, uint mask, uint data); | |
25 | int pca953x_get_val(u8 chip); | |
26 | ||
27 | #endif /* __PCA953X_H_ */ |