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Malcolm Priestley1ae2c582010-08-28 18:07:37 -03001/**
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
34struct 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
Arnd Bergmann9b174522015-02-18 14:12:42 -030051#if IS_REACHABLE(CONFIG_DVB_IX2505V)
Malcolm Priestley1ae2c582010-08-28 18:07:37 -030052extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
53 const struct ix2505v_config *config, struct i2c_adapter *i2c);
54#else
55static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
56 const struct ix2505v_config *config, struct i2c_adapter *i2c)
57{
58 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
59 return NULL;
60}
61#endif
62
63#endif /* DVB_IX2505V_H */