xref: /linux/drivers/media/dvb-frontends/drx39xyj/drx39xxj.h (revision b85d45947951d23cb22d90caecf4c1eb81342c96)
1 /*
2  *  Driver for Micronas DRX39xx family (drx3933j)
3  *
4  *  Written by Devin Heitmueller <devin.heitmueller@kernellabs.com>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program; if not, write to the Free Software
19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
20  */
21 
22 #ifndef DRX39XXJ_H
23 #define DRX39XXJ_H
24 
25 #include <linux/dvb/frontend.h>
26 #include "dvb_frontend.h"
27 #include "drx_driver.h"
28 
29 struct drx39xxj_state {
30 	struct i2c_adapter *i2c;
31 	struct drx_demod_instance *demod;
32 	struct dvb_frontend frontend;
33 	unsigned int i2c_gate_open:1;
34 	const struct firmware *fw;
35 };
36 
37 #if IS_REACHABLE(CONFIG_DVB_DRX39XYJ)
38 struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c);
39 #else
40 static inline struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c) {
41 	return NULL;
42 };
43 #endif
44 
45 #endif /* DVB_DUMMY_FE_H */
46