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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 STV6110(A) Silicon tuner driver
4
5 Copyright (C) Manu Abraham <abraham.manu@gmail.com>
6
7 Copyright (C) ST Microelectronics
8
9*/
10
11#ifndef __STV6110x_H
12#define __STV6110x_H
13
14struct stv6110x_config {
15 u8 addr;
16 u32 refclk;
17 u8 clk_div; /* divisor value for the output clock */
18};
19
20enum tuner_mode {
21 TUNER_SLEEP = 1,
22 TUNER_WAKE,
23};
24
25enum tuner_status {
26 TUNER_PHASELOCKED = 1,
27};
28
29struct stv6110x_devctl {
30 int (*tuner_init) (struct dvb_frontend *fe);
31 int (*tuner_sleep) (struct dvb_frontend *fe);
32 int (*tuner_set_mode) (struct dvb_frontend *fe, enum tuner_mode mode);
33 int (*tuner_set_frequency) (struct dvb_frontend *fe, u32 frequency);
34 int (*tuner_get_frequency) (struct dvb_frontend *fe, u32 *frequency);
35 int (*tuner_set_bandwidth) (struct dvb_frontend *fe, u32 bandwidth);
36 int (*tuner_get_bandwidth) (struct dvb_frontend *fe, u32 *bandwidth);
37 int (*tuner_set_bbgain) (struct dvb_frontend *fe, u32 gain);
38 int (*tuner_get_bbgain) (struct dvb_frontend *fe, u32 *gain);
39 int (*tuner_set_refclk) (struct dvb_frontend *fe, u32 refclk);
40 int (*tuner_get_status) (struct dvb_frontend *fe, u32 *status);
41};
42
43
44#if IS_REACHABLE(CONFIG_DVB_STV6110x)
45
46extern const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
47 const struct stv6110x_config *config,
48 struct i2c_adapter *i2c);
49
50#else
51static inline const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
52 const struct stv6110x_config *config,
53 struct i2c_adapter *i2c)
54{
55 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
56 return NULL;
57}
58
59#endif /* CONFIG_DVB_STV6110x */
60
61#endif /* __STV6110x_H */