1 /* 2 cx24110 - Single Chip Satellite Channel Receiver driver module 3 4 Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on 5 work 6 Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de> 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 23 */ 24 25 #ifndef CX24110_H 26 #define CX24110_H 27 28 #include <linux/dvb/frontend.h> 29 30 struct cx24110_config 31 { 32 /* the demodulator's i2c address */ 33 u8 demod_address; 34 }; 35 36 static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val) 37 { 38 u8 buf[] = { 39 (u8)((val >> 24) & 0xff), 40 (u8)((val >> 16) & 0xff), 41 (u8)((val >> 8) & 0xff) 42 }; 43 44 if (fe->ops.write) 45 return fe->ops.write(fe, buf, 3); 46 return 0; 47 } 48 49 #if IS_ENABLED(CONFIG_DVB_CX24110) 50 extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config, 51 struct i2c_adapter* i2c); 52 #else 53 static inline struct dvb_frontend* cx24110_attach(const struct cx24110_config* config, 54 struct i2c_adapter* i2c) 55 { 56 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 57 return NULL; 58 } 59 #endif // CONFIG_DVB_CX24110 60 61 #endif // CX24110_H 62