1 /* 2 * Driver for Microtune MT2060 "Single chip dual conversion broadband tuner" 3 * 4 * Copyright (c) 2006 Olivier DANET <odanet@caramail.com> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 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 * 15 * GNU General Public License for more details. 16 */ 17 18 #ifndef MT2060_H 19 #define MT2060_H 20 21 struct dvb_frontend; 22 struct i2c_adapter; 23 24 /* 25 * I2C address 26 * 0x60, ... 27 */ 28 29 /** 30 * struct mt2060_platform_data - Platform data for the mt2060 driver 31 * @clock_out: Clock output setting. 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1. 32 * @if1: First IF used [MHz]. 0 defaults to 1220. 33 * @i2c_write_max: Maximum number of bytes I2C adapter can write at once. 34 * 0 defaults to maximum. 35 * @dvb_frontend: DVB frontend. 36 */ 37 38 struct mt2060_platform_data { 39 u8 clock_out; 40 u16 if1; 41 unsigned int i2c_write_max:5; 42 struct dvb_frontend *dvb_frontend; 43 }; 44 45 46 /* configuration struct for mt2060_attach() */ 47 struct mt2060_config { 48 u8 i2c_address; 49 u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */ 50 }; 51 52 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_MT2060) 53 extern struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1); 54 #else 55 static inline struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1) 56 { 57 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 58 return NULL; 59 } 60 #endif // CONFIG_MEDIA_TUNER_MT2060 61 62 #endif 63