xref: /linux/drivers/media/pci/cx88/cx88-vp3054-i2c.h (revision b889fcf63cb62e7fdb7816565e28f44dbe4a76a5)
1 /*
2 
3     cx88-vp3054-i2c.h  --  support for the secondary I2C bus of the
4 			   DNTV Live! DVB-T Pro (VP-3054), wired as:
5 			   GPIO[0] -> SCL, GPIO[1] -> SDA
6 
7     (c) 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
8 
9     This program is free software; you can redistribute it and/or modify
10     it under the terms of the GNU General Public License as published by
11     the Free Software Foundation; either version 2 of the License, or
12     (at your option) any later version.
13 
14     This program is distributed in the hope that it will be useful,
15     but WITHOUT ANY WARRANTY; without even the implied warranty of
16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17     GNU General Public License for more details.
18 
19     You should have received a copy of the GNU General Public License
20     along with this program; if not, write to the Free Software
21     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 
23 */
24 
25 /* ----------------------------------------------------------------------- */
26 struct vp3054_i2c_state {
27 	struct i2c_adapter         adap;
28 	struct i2c_algo_bit_data   algo;
29 	u32                        state;
30 };
31 
32 /* ----------------------------------------------------------------------- */
33 #if defined(CONFIG_VIDEO_CX88_VP3054) || (defined(CONFIG_VIDEO_CX88_VP3054_MODULE) && defined(MODULE))
34 int  vp3054_i2c_probe(struct cx8802_dev *dev);
35 void vp3054_i2c_remove(struct cx8802_dev *dev);
36 #else
37 static inline int  vp3054_i2c_probe(struct cx8802_dev *dev)
38 { return 0; }
39 static inline void vp3054_i2c_remove(struct cx8802_dev *dev)
40 { }
41 #endif
42