| /* |
| * Copyright 2008 Extreme Engineering Solutions, Inc. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * Version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #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_ */ |
