blob: 8ed2d1875dda8abb49fe7f48e78beb7954e6814f [file] [log] [blame]
Peter Tyser9902e422008-12-17 16:36:21 -06001/*
2 * Copyright 2008 Extreme Engineering Solutions, Inc.
3 *
Tom Rinie2378802016-01-14 22:05:13 -05004 * SPDX-License-Identifier: GPL-2.0
Peter Tyser9902e422008-12-17 16:36:21 -06005 */
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
22int pca953x_set_val(u8 chip, uint mask, uint data);
23int pca953x_set_pol(u8 chip, uint mask, uint data);
24int pca953x_set_dir(u8 chip, uint mask, uint data);
25int pca953x_get_val(u8 chip);
26
27#endif /* __PCA953X_H_ */