media/dvb-frontends/stv6110x.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003     STV6110(A) Silicon tuner driver
0004
0005     Copyright (C) Manu Abraham <abraham.manu@gmail.com>
0006
0007     Copyright (C) ST Microelectronics
0008
0009 */
0010
0011 #ifndef __STV6110x_H
0012 #define __STV6110x_H
0013
0014 struct stv6110x_config {
0015     u8  addr;
0016     u32 refclk;
0017     u8  clk_div; /* divisor value for the output clock */
0018     struct dvb_frontend     *frontend;
0019
0020     struct stv6110x_devctl* (*get_devctl)(struct i2c_client *i2c);
0021 };
0022
0023 enum tuner_mode {
0024     TUNER_SLEEP = 1,
0025     TUNER_WAKE,
0026 };
0027
0028 enum tuner_status {
0029     TUNER_PHASELOCKED = 1,
0030 };
0031
0032 struct stv6110x_devctl {
0033     int (*tuner_init) (struct dvb_frontend *fe);
0034     int (*tuner_sleep) (struct dvb_frontend *fe);
0035     int (*tuner_set_mode) (struct dvb_frontend *fe, enum tuner_mode mode);
0036     int (*tuner_set_frequency) (struct dvb_frontend *fe, u32 frequency);
0037     int (*tuner_get_frequency) (struct dvb_frontend *fe, u32 *frequency);
0038     int (*tuner_set_bandwidth) (struct dvb_frontend *fe, u32 bandwidth);
0039     int (*tuner_get_bandwidth) (struct dvb_frontend *fe, u32 *bandwidth);
0040     int (*tuner_set_bbgain) (struct dvb_frontend *fe, u32 gain);
0041     int (*tuner_get_bbgain) (struct dvb_frontend *fe, u32 *gain);
0042     int (*tuner_set_refclk)  (struct dvb_frontend *fe, u32 refclk);
0043     int (*tuner_get_status) (struct dvb_frontend *fe, u32 *status);
0044 };
0045
0046
0047 #if IS_REACHABLE(CONFIG_DVB_STV6110x)
0048
0049 extern const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
0050                            const struct stv6110x_config *config,
0051                            struct i2c_adapter *i2c);
0052
0053 #else
0054 static inline const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
0055                               const struct stv6110x_config *config,
0056                               struct i2c_adapter *i2c)
0057 {
0058     printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
0059     return NULL;
0060 }
0061
0062 #endif /* CONFIG_DVB_STV6110x */
0063
0064 #endif /* __STV6110x_H */