Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | STV6110(A) Silicon tuner driver |
| 3 | |
| 4 | Copyright (C) Manu Abraham <abraham.manu@gmail.com> |
| 5 | |
| 6 | Copyright (C) ST Microelectronics |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 21 | */ |
| 22 | |
| 23 | #ifndef __STV6110x_H |
| 24 | #define __STV6110x_H |
| 25 | |
| 26 | struct stv6110x_config { |
| 27 | u8 addr; |
| 28 | u32 refclk; |
| 29 | u8 clk_div; /* divisor value for the output clock */ |
| 30 | }; |
| 31 | |
| 32 | enum tuner_mode { |
| 33 | TUNER_SLEEP = 1, |
| 34 | TUNER_WAKE, |
| 35 | }; |
| 36 | |
| 37 | enum tuner_status { |
| 38 | TUNER_PHASELOCKED = 1, |
| 39 | }; |
| 40 | |
| 41 | struct stv6110x_devctl { |
| 42 | int (*tuner_init) (struct dvb_frontend *fe); |
| 43 | int (*tuner_sleep) (struct dvb_frontend *fe); |
| 44 | int (*tuner_set_mode) (struct dvb_frontend *fe, enum tuner_mode mode); |
| 45 | int (*tuner_set_frequency) (struct dvb_frontend *fe, u32 frequency); |
| 46 | int (*tuner_get_frequency) (struct dvb_frontend *fe, u32 *frequency); |
| 47 | int (*tuner_set_bandwidth) (struct dvb_frontend *fe, u32 bandwidth); |
| 48 | int (*tuner_get_bandwidth) (struct dvb_frontend *fe, u32 *bandwidth); |
| 49 | int (*tuner_set_bbgain) (struct dvb_frontend *fe, u32 gain); |
| 50 | int (*tuner_get_bbgain) (struct dvb_frontend *fe, u32 *gain); |
| 51 | int (*tuner_set_refclk) (struct dvb_frontend *fe, u32 refclk); |
| 52 | int (*tuner_get_status) (struct dvb_frontend *fe, u32 *status); |
| 53 | }; |
| 54 | |
| 55 | |
| 56 | #if IS_REACHABLE(CONFIG_DVB_STV6110x) |
| 57 | |
| 58 | extern struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe, |
| 59 | const struct stv6110x_config *config, |
| 60 | struct i2c_adapter *i2c); |
| 61 | |
| 62 | #else |
| 63 | static inline struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe, |
| 64 | const struct stv6110x_config *config, |
| 65 | struct i2c_adapter *i2c) |
| 66 | { |
| 67 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 68 | return NULL; |
| 69 | } |
| 70 | |
| 71 | #endif /* CONFIG_DVB_STV6110x */ |
| 72 | |
| 73 | #endif /* __STV6110x_H */ |