1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun Driver for Zarlink MT312 Satellite Channel Decoder 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun Copyright (C) 2003 Andreas Oberritter <obi@linuxtv.org> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun References: 9*4882a593Smuzhiyun http://products.zarlink.com/product_profiles/MT312.htm 10*4882a593Smuzhiyun http://products.zarlink.com/product_profiles/SL1935.htm 11*4882a593Smuzhiyun */ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #ifndef MT312_H 14*4882a593Smuzhiyun #define MT312_H 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #include <linux/dvb/frontend.h> 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun struct mt312_config { 19*4882a593Smuzhiyun /* the demodulator's i2c address */ 20*4882a593Smuzhiyun u8 demod_address; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* inverted voltage setting */ 23*4882a593Smuzhiyun unsigned int voltage_inverted:1; 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_MT312) 27*4882a593Smuzhiyun struct dvb_frontend *mt312_attach(const struct mt312_config *config, 28*4882a593Smuzhiyun struct i2c_adapter *i2c); 29*4882a593Smuzhiyun #else mt312_attach(const struct mt312_config * config,struct i2c_adapter * i2c)30*4882a593Smuzhiyunstatic inline struct dvb_frontend *mt312_attach( 31*4882a593Smuzhiyun const struct mt312_config *config, struct i2c_adapter *i2c) 32*4882a593Smuzhiyun { 33*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 34*4882a593Smuzhiyun return NULL; 35*4882a593Smuzhiyun } 36*4882a593Smuzhiyun #endif /* CONFIG_DVB_MT312 */ 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #endif /* MT312_H */ 39