/* SPDX-License-Identifier: GPL-2.0 */ | |
/* | |
* Copyright 2008 Extreme Engineering Solutions, Inc. | |
*/ | |
#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_ */ |