1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 cx24110 - Single Chip Satellite Channel Receiver driver module 4 5 Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on 6 work 7 Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de> 8 9 10 */ 11 12 #ifndef CX24110_H 13 #define CX24110_H 14 15 #include <linux/dvb/frontend.h> 16 17 struct cx24110_config 18 { 19 /* the demodulator's i2c address */ 20 u8 demod_address; 21 }; 22 23 static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val) 24 { 25 u8 buf[] = { 26 (u8)((val >> 24) & 0xff), 27 (u8)((val >> 16) & 0xff), 28 (u8)((val >> 8) & 0xff) 29 }; 30 31 if (fe->ops.write) 32 return fe->ops.write(fe, buf, 3); 33 return 0; 34 } 35 36 #if IS_REACHABLE(CONFIG_DVB_CX24110) 37 extern struct dvb_frontend* cx24110_attach(const struct cx24110_config* config, 38 struct i2c_adapter* i2c); 39 #else 40 static inline struct dvb_frontend* cx24110_attach(const struct cx24110_config* config, 41 struct i2c_adapter* i2c) 42 { 43 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 44 return NULL; 45 } 46 #endif // CONFIG_DVB_CX24110 47 48 #endif // CX24110_H 49