| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * drxd.h: DRXD DVB-T demodulator driver |
| 3 | * |
| 4 | * Copyright (C) 2005-2007 Micronas |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * version 2 only, as published by the Free Software Foundation. |
| 9 | * |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * To obtain the license, point your browser to |
| 17 | * http://www.gnu.org/copyleft/gpl.html |
| 18 | */ |
| 19 | |
| 20 | #ifndef _DRXD_H_ |
| 21 | #define _DRXD_H_ |
| 22 | |
| 23 | #include <linux/types.h> |
| 24 | #include <linux/i2c.h> |
| 25 | |
| 26 | struct drxd_config { |
| 27 | u8 index; |
| 28 | |
| 29 | u8 pll_address; |
| 30 | u8 pll_type; |
| 31 | #define DRXD_PLL_NONE 0 |
| 32 | #define DRXD_PLL_DTT7520X 1 |
| 33 | #define DRXD_PLL_MT3X0823 2 |
| 34 | |
| 35 | u32 clock; |
| 36 | u8 insert_rs_byte; |
| 37 | |
| 38 | u8 demod_address; |
| 39 | u8 demoda_address; |
| 40 | u8 demod_revision; |
| 41 | |
| 42 | /* If the tuner is not behind an i2c gate, be sure to flip this bit |
| 43 | or else the i2c bus could get wedged */ |
| 44 | u8 disable_i2c_gate_ctrl; |
| 45 | |
| 46 | u32 IF; |
| 47 | s16(*osc_deviation) (void *priv, s16 dev, int flag); |
| 48 | }; |
| 49 | |
| 50 | #if IS_REACHABLE(CONFIG_DVB_DRXD) |
| 51 | extern |
| 52 | struct dvb_frontend *drxd_attach(const struct drxd_config *config, |
| 53 | void *priv, struct i2c_adapter *i2c, |
| 54 | struct device *dev); |
| 55 | #else |
| 56 | static inline |
| 57 | struct dvb_frontend *drxd_attach(const struct drxd_config *config, |
| 58 | void *priv, struct i2c_adapter *i2c, |
| 59 | struct device *dev) |
| 60 | { |
| 61 | printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n", |
| 62 | __func__); |
| 63 | return NULL; |
| 64 | } |
| 65 | #endif |
| 66 | |
| 67 | #endif |