1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun Copyright (C) 2005 Steven Toth <stoth@linuxtv.org> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef CX24123_H 10*4882a593Smuzhiyun #define CX24123_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <linux/dvb/frontend.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun struct cx24123_config { 15*4882a593Smuzhiyun /* the demodulator's i2c address */ 16*4882a593Smuzhiyun u8 demod_address; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* Need to set device param for start_dma */ 19*4882a593Smuzhiyun int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured); 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun /* 0 = LNB voltage normal, 1 = LNB voltage inverted */ 22*4882a593Smuzhiyun int lnb_polarity; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun /* this device has another tuner */ 25*4882a593Smuzhiyun u8 dont_use_pll; 26*4882a593Smuzhiyun void (*agc_callback) (struct dvb_frontend *); 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_CX24123) 30*4882a593Smuzhiyun extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config, 31*4882a593Smuzhiyun struct i2c_adapter *i2c); 32*4882a593Smuzhiyun extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *); 33*4882a593Smuzhiyun #else cx24123_attach(const struct cx24123_config * config,struct i2c_adapter * i2c)34*4882a593Smuzhiyunstatic inline struct dvb_frontend *cx24123_attach( 35*4882a593Smuzhiyun const struct cx24123_config *config, struct i2c_adapter *i2c) 36*4882a593Smuzhiyun { 37*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 38*4882a593Smuzhiyun return NULL; 39*4882a593Smuzhiyun } 40*4882a593Smuzhiyun static inline struct i2c_adapter * cx24123_get_tuner_i2c_adapter(struct dvb_frontend * fe)41*4882a593Smuzhiyun cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe) 42*4882a593Smuzhiyun { 43*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 44*4882a593Smuzhiyun return NULL; 45*4882a593Smuzhiyun } 46*4882a593Smuzhiyun #endif 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #endif /* CX24123_H */ 49