Remove FSF address from GPL notices
[fw/openocd] / src / jtag / drivers / bitbang.h
1 /***************************************************************************
2  *   Copyright (C) 2005 by Dominic Rath                                    *
3  *   Dominic.Rath@gmx.de                                                   *
4  *                                                                         *
5  *   Copyright (C) 2007,2008 Ã˜yvind Harboe                                 *
6  *   oyvind.harboe@zylin.com                                               *
7  *                                                                         *
8  *   This program is free software; you can redistribute it and/or modify  *
9  *   it under the terms of the GNU General Public License as published by  *
10  *   the Free Software Foundation; either version 2 of the License, or     *
11  *   (at your option) any later version.                                   *
12  *                                                                         *
13  *   This program is distributed in the hope that it will be useful,       *
14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
16  *   GNU General Public License for more details.                          *
17  *                                                                         *
18  *   You should have received a copy of the GNU General Public License     *
19  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
20  ***************************************************************************/
21
22 #ifndef BITBANG_H
23 #define BITBANG_H
24
25 #include <jtag/swd.h>
26
27 struct bitbang_interface {
28         /* low level callbacks (for bitbang)
29          */
30         int (*read)(void);
31         void (*write)(int tck, int tms, int tdi);
32         void (*reset)(int trst, int srst);
33         void (*blink)(int on);
34         int (*swdio_read)(void);
35         void (*swdio_drive)(bool on);
36 };
37
38 const struct swd_driver bitbang_swd;
39
40 extern bool swd_mode;
41
42 int bitbang_execute_queue(void);
43
44 extern struct bitbang_interface *bitbang_interface;
45 void bitbang_switch_to_swd(void);
46 int bitbang_swd_switch_seq(enum swd_special_seq seq);
47
48 #endif /* BITBANG_H */