xref: /openbmc/linux/drivers/media/tuners/tea5767.h (revision bc05aa6e)
1 /*
2     This program is free software; you can redistribute it and/or modify
3     it under the terms of the GNU General Public License as published by
4     the Free Software Foundation; either version 2 of the License, or
5     (at your option) any later version.
6 
7     This program is distributed in the hope that it will be useful,
8     but WITHOUT ANY WARRANTY; without even the implied warranty of
9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10     GNU General Public License for more details.
11 
12     You should have received a copy of the GNU General Public License
13     along with this program; if not, write to the Free Software
14     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
15 */
16 
17 #ifndef __TEA5767_H__
18 #define __TEA5767_H__
19 
20 #include <linux/i2c.h>
21 #include <media/dvb_frontend.h>
22 
23 enum tea5767_xtal {
24 	TEA5767_LOW_LO_32768    = 0,
25 	TEA5767_HIGH_LO_32768   = 1,
26 	TEA5767_LOW_LO_13MHz    = 2,
27 	TEA5767_HIGH_LO_13MHz   = 3,
28 };
29 
30 struct tea5767_ctrl {
31 	unsigned int		port1:1;
32 	unsigned int		port2:1;
33 	unsigned int		high_cut:1;
34 	unsigned int		st_noise:1;
35 	unsigned int		soft_mute:1;
36 	unsigned int		japan_band:1;
37 	unsigned int		deemph_75:1;
38 	unsigned int		pllref:1;
39 	enum tea5767_xtal	xtal_freq;
40 };
41 
42 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_TEA5767)
43 extern int tea5767_autodetection(struct i2c_adapter* i2c_adap, u8 i2c_addr);
44 
45 extern struct dvb_frontend *tea5767_attach(struct dvb_frontend *fe,
46 					   struct i2c_adapter* i2c_adap,
47 					   u8 i2c_addr);
48 #else
49 static inline int tea5767_autodetection(struct i2c_adapter* i2c_adap,
50 					u8 i2c_addr)
51 {
52 	printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
53 	       __func__);
54 	return -EINVAL;
55 }
56 
57 static inline struct dvb_frontend *tea5767_attach(struct dvb_frontend *fe,
58 						   struct i2c_adapter* i2c_adap,
59 						   u8 i2c_addr)
60 {
61 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
62 	return NULL;
63 }
64 #endif
65 
66 #endif /* __TEA5767_H__ */
67