1 /* 2 * Elonics E4000 silicon tuner driver 3 * 4 * Copyright (C) 2012 Antti Palosaari <crope@iki.fi> 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 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License along 17 * with this program; if not, write to the Free Software Foundation, Inc., 18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 19 */ 20 21 #ifndef E4000_H 22 #define E4000_H 23 24 #include <linux/kconfig.h> 25 #include "dvb_frontend.h" 26 27 struct e4000_config { 28 /* 29 * I2C address 30 * 0x64, 0x65, 0x66, 0x67 31 */ 32 u8 i2c_addr; 33 34 /* 35 * clock 36 */ 37 u32 clock; 38 }; 39 40 #if IS_ENABLED(CONFIG_MEDIA_TUNER_E4000) 41 extern struct dvb_frontend *e4000_attach(struct dvb_frontend *fe, 42 struct i2c_adapter *i2c, const struct e4000_config *cfg); 43 #else 44 static inline struct dvb_frontend *e4000_attach(struct dvb_frontend *fe, 45 struct i2c_adapter *i2c, const struct e4000_config *cfg) 46 { 47 dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__); 48 return NULL; 49 } 50 #endif 51 52 #endif 53