1 /* 2 Driver for M88RS2000 demodulator 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 2 of the License, or 7 (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program; if not, write to the Free Software 16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 17 18 */ 19 20 #ifndef M88RS2000_H 21 #define M88RS2000_H 22 23 #include <linux/dvb/frontend.h> 24 #include "dvb_frontend.h" 25 26 struct m88rs2000_config { 27 /* Demodulator i2c address */ 28 u8 demod_addr; 29 30 u8 *inittab; 31 32 /* minimum delay before retuning */ 33 int min_delay_ms; 34 35 int (*set_ts_params)(struct dvb_frontend *, int); 36 }; 37 38 enum { 39 CALL_IS_SET_FRONTEND = 0x0, 40 CALL_IS_READ, 41 }; 42 43 #if IS_REACHABLE(CONFIG_DVB_M88RS2000) 44 extern struct dvb_frontend *m88rs2000_attach( 45 const struct m88rs2000_config *config, struct i2c_adapter *i2c); 46 #else 47 static inline struct dvb_frontend *m88rs2000_attach( 48 const struct m88rs2000_config *config, struct i2c_adapter *i2c) 49 { 50 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 51 return NULL; 52 } 53 #endif /* CONFIG_DVB_M88RS2000 */ 54 55 #define RS2000_FE_CRYSTAL_KHZ 27000 56 57 enum { 58 DEMOD_WRITE = 0x1, 59 WRITE_DELAY = 0x10, 60 }; 61 #endif /* M88RS2000_H */ 62