1 /**
2 * Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner
3 *
4 * Copyright (C) 2010 Malcolm Priestley
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 Version 2, as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20 #ifndef DVB_IX2505V_H
21 #define DVB_IX2505V_H
22
23 #include <linux/i2c.h>
24 #include "dvb_frontend.h"
25
26 /**
27 * Attach a ix2505v tuner to the supplied frontend structure.
28 *
29 * @param fe Frontend to attach to.
30 * @param config ix2505v_config structure
31 * @return FE pointer on success, NULL on failure.
32 */
33
34 struct ix2505v_config {
35 u8 tuner_address;
36
37 /*Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB */
38 u8 tuner_gain;
39
40 /*Charge pump output +/- 0=120 1=260 2=555 3=1200(default) */
41 u8 tuner_chargepump;
42
43 /* delay after tune */
44 int min_delay_ms;
45
46 /* disables reads*/
47 u8 tuner_write_only;
48
49 };
50
51 #if defined(CONFIG_DVB_IX2505V) || \
52 (defined(CONFIG_DVB_IX2505V_MODULE) && defined(MODULE))
53 extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
54 const struct ix2505v_config *config, struct i2c_adapter *i2c);
55 #else
ix2505v_attach(struct dvb_frontend * fe,const struct ix2505v_config * config,struct i2c_adapter * i2c)56 static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
57 const struct ix2505v_config *config, struct i2c_adapter *i2c)
58 {
59 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
60 return NULL;
61 }
62 #endif
63
64 #endif /* DVB_IX2505V_H */
65