| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Conexant CX24120/CX24118 - DVB-S/S2 demod/tuner driver |
| 3 | * |
| 4 | * Copyright (C) 2008 Patrick Boettcher <pb@linuxtv.org> |
| 5 | * Copyright (C) 2009 Sergey Tyurin <forum.free-x.de> |
| 6 | * Updated 2012 by Jannis Achstetter <jannis_achstetter@web.de> |
| 7 | * Copyright (C) 2015 Jemma Denson <jdenson@gmail.com> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | */ |
| 19 | |
| 20 | #ifndef CX24120_H |
| 21 | #define CX24120_H |
| 22 | |
| 23 | #include <linux/dvb/frontend.h> |
| 24 | #include <linux/firmware.h> |
| 25 | |
| 26 | struct cx24120_initial_mpeg_config { |
| 27 | u8 x1; |
| 28 | u8 x2; |
| 29 | u8 x3; |
| 30 | }; |
| 31 | |
| 32 | struct cx24120_config { |
| 33 | u8 i2c_addr; |
| 34 | u32 xtal_khz; |
| 35 | struct cx24120_initial_mpeg_config initial_mpeg_config; |
| 36 | |
| 37 | int (*request_firmware)(struct dvb_frontend *fe, |
| 38 | const struct firmware **fw, char *name); |
| 39 | |
| 40 | /* max bytes I2C provider can write at once */ |
| 41 | u16 i2c_wr_max; |
| 42 | }; |
| 43 | |
| 44 | #if IS_REACHABLE(CONFIG_DVB_CX24120) |
| 45 | struct dvb_frontend *cx24120_attach(const struct cx24120_config *config, |
| 46 | struct i2c_adapter *i2c); |
| 47 | #else |
| 48 | static inline |
| 49 | struct dvb_frontend *cx24120_attach(const struct cx24120_config *config, |
| 50 | struct i2c_adapter *i2c) |
| 51 | { |
| 52 | pr_warn("%s: driver disabled by Kconfig\n", __func__); |
| 53 | return NULL; |
| 54 | } |
| 55 | #endif |
| 56 | |
| 57 | #endif /* CX24120_H */ |