1 /* 2 * Elonics R820T 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 R820T_H 22 #define R820T_H 23 24 #include <linux/kconfig.h> 25 #include "dvb_frontend.h" 26 27 enum r820t_chip { 28 CHIP_R820T, 29 CHIP_R620D, 30 CHIP_R828D, 31 CHIP_R828, 32 CHIP_R828S, 33 CHIP_R820C, 34 }; 35 36 struct r820t_config { 37 u8 i2c_addr; /* 0x34 */ 38 u32 xtal; 39 enum r820t_chip rafael_chip; 40 unsigned max_i2c_msg_len; 41 bool use_diplexer; 42 bool use_predetect; 43 }; 44 45 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_R820T) 46 struct dvb_frontend *r820t_attach(struct dvb_frontend *fe, 47 struct i2c_adapter *i2c, 48 const struct r820t_config *cfg); 49 #else 50 static inline struct dvb_frontend *r820t_attach(struct dvb_frontend *fe, 51 struct i2c_adapter *i2c, 52 const struct r820t_config *cfg) 53 { 54 pr_warn("%s: driver disabled by Kconfig\n", __func__); 55 return NULL; 56 } 57 #endif 58 59 #endif 60