1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Driver for 4*4882a593Smuzhiyun * Samsung S5H1420 and 5*4882a593Smuzhiyun * PnpNetwork PN1010 QPSK Demodulator 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net> 8*4882a593Smuzhiyun * Copyright (C) 2005-8 Patrick Boettcher <pb@linuxtv.org> 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun #ifndef S5H1420_H 11*4882a593Smuzhiyun #define S5H1420_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <linux/dvb/frontend.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun struct s5h1420_config 16*4882a593Smuzhiyun { 17*4882a593Smuzhiyun /* the demodulator's i2c address */ 18*4882a593Smuzhiyun u8 demod_address; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun /* does the inversion require inversion? */ 21*4882a593Smuzhiyun u8 invert:1; 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun u8 repeated_start_workaround:1; 24*4882a593Smuzhiyun u8 cdclk_polarity:1; /* 1 == falling edge, 0 == raising edge */ 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun u8 serial_mpeg:1; 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_S5H1420) 30*4882a593Smuzhiyun extern struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config, 31*4882a593Smuzhiyun struct i2c_adapter *i2c); 32*4882a593Smuzhiyun extern struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe); 33*4882a593Smuzhiyun #else s5h1420_attach(const struct s5h1420_config * config,struct i2c_adapter * i2c)34*4882a593Smuzhiyunstatic inline struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config, 35*4882a593Smuzhiyun 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 s5h1420_get_tuner_i2c_adapter(struct dvb_frontend * fe)41*4882a593Smuzhiyunstatic inline struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe) 42*4882a593Smuzhiyun { 43*4882a593Smuzhiyun return NULL; 44*4882a593Smuzhiyun } 45*4882a593Smuzhiyun #endif // CONFIG_DVB_S5H1420 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun #endif // S5H1420_H 48