1 /* 2 * Driver for Microtune MT2131 "QAM/8VSB single chip tuner" 3 * 4 * Copyright (c) 2006 Steven Toth <stoth@linuxtv.org> 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 __MT2131_H__ 19 #define __MT2131_H__ 20 21 struct dvb_frontend; 22 struct i2c_adapter; 23 24 struct mt2131_config { 25 u8 i2c_address; 26 u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */ 27 }; 28 29 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_MT2131) 30 extern struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe, 31 struct i2c_adapter *i2c, 32 struct mt2131_config *cfg, 33 u16 if1); 34 #else 35 static inline struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe, 36 struct i2c_adapter *i2c, 37 struct mt2131_config *cfg, 38 u16 if1) 39 { 40 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 41 return NULL; 42 } 43 #endif /* CONFIG_MEDIA_TUNER_MT2131 */ 44 45 #endif /* __MT2131_H__ */ 46