| /* 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_ */ |
