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 14 struct stv6110x_config { 15 u8 addr; 16 u32 refclk; 17 u8 clk_div; /* divisor value for the output clock */ 18 struct dvb_frontend *frontend; 19 20 struct stv6110x_devctl* (*get_devctl)(struct i2c_client *i2c); 21 }; 22 23 enum tuner_mode { 24 TUNER_SLEEP = 1, 25 TUNER_WAKE, 26 }; 27 28 enum tuner_status { 29 TUNER_PHASELOCKED = 1, 30 }; 31 32 struct stv6110x_devctl { 33 int (*tuner_init) (struct dvb_frontend *fe); 34 int (*tuner_sleep) (struct dvb_frontend *fe); 35 int (*tuner_set_mode) (struct dvb_frontend *fe, enum tuner_mode mode); 36 int (*tuner_set_frequency) (struct dvb_frontend *fe, u32 frequency); 37 int (*tuner_get_frequency) (struct dvb_frontend *fe, u32 *frequency); 38 int (*tuner_set_bandwidth) (struct dvb_frontend *fe, u32 bandwidth); 39 int (*tuner_get_bandwidth) (struct dvb_frontend *fe, u32 *bandwidth); 40 int (*tuner_set_bbgain) (struct dvb_frontend *fe, u32 gain); 41 int (*tuner_get_bbgain) (struct dvb_frontend *fe, u32 *gain); 42 int (*tuner_set_refclk) (struct dvb_frontend *fe, u32 refclk); 43 int (*tuner_get_status) (struct dvb_frontend *fe, u32 *status); 44 }; 45 46 47 #if IS_REACHABLE(CONFIG_DVB_STV6110x) 48 49 extern const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe, 50 const struct stv6110x_config *config, 51 struct i2c_adapter *i2c); 52 53 #else 54 static inline const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe, 55 const struct stv6110x_config *config, 56 struct i2c_adapter *i2c) 57 { 58 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 59 return NULL; 60 } 61 62 #endif /* CONFIG_DVB_STV6110x */ 63 64 #endif /* __STV6110x_H */ 65