blob: 6c2b58c563dd32a8860e48380562c22e5fbd4c8c [file] [log] [blame]
Peter Tysere92739d2008-12-17 16:36:21 -06001/*
2 * Copyright 2008 Extreme Engineering Solutions, Inc.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * Version 2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
16 * MA 02111-1307 USA
17 */
18
19#ifndef __PCA953X_H_
20#define __PCA953X_H_
21
22#define PCA953X_IN 0x00
23#define PCA953X_OUT 0x01
24#define PCA953X_POL 0x02
25#define PCA953X_CONF 0x03
26
27#define PCA953X_OUT_LOW 0
28#define PCA953X_OUT_HIGH 1
29#define PCA953X_POL_NORMAL 0
30#define PCA953X_POL_INVERT 1
31#define PCA953X_DIR_OUT 0
32#define PCA953X_DIR_IN 1
33
34int pca953x_set_val(u8 chip, uint mask, uint data);
35int pca953x_set_pol(u8 chip, uint mask, uint data);
36int pca953x_set_dir(u8 chip, uint mask, uint data);
37int pca953x_get_val(u8 chip);
38
39#endif /* __PCA953X_H_ */