xref: /openbmc/linux/drivers/media/tuners/tda8290.h (revision cfbb9be8)
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 __TDA8290_H__
18 #define __TDA8290_H__
19 
20 #include <linux/i2c.h>
21 #include <media/dvb_frontend.h>
22 #include "tda18271.h"
23 
24 enum tda8290_lna {
25 	TDA8290_LNA_OFF = 0,
26 	TDA8290_LNA_GP0_HIGH_ON = 1,
27 	TDA8290_LNA_GP0_HIGH_OFF = 2,
28 	TDA8290_LNA_ON_BRIDGE = 3,
29 };
30 
31 struct tda829x_config {
32 	enum tda8290_lna lna_cfg;
33 
34 	unsigned int probe_tuner:1;
35 #define TDA829X_PROBE_TUNER 0
36 #define TDA829X_DONT_PROBE  1
37 	unsigned int no_i2c_gate:1;
38 	struct tda18271_std_map *tda18271_std_map;
39 };
40 
41 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA8290)
42 extern int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr);
43 
44 extern struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
45 					   struct i2c_adapter *i2c_adap,
46 					   u8 i2c_addr,
47 					   struct tda829x_config *cfg);
48 #else
49 static inline int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
50 {
51 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
52 	return -EINVAL;
53 }
54 
55 static inline struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
56 						  struct i2c_adapter *i2c_adap,
57 						  u8 i2c_addr,
58 						  struct tda829x_config *cfg)
59 {
60 	printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
61 	       __func__);
62 	return NULL;
63 }
64 #endif
65 
66 #endif /* __TDA8290_H__ */
67