174ba9207SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 29a0bf528SMauro Carvalho Chehab /* 39a0bf528SMauro Carvalho Chehab Driver for Zarlink MT312 Satellite Channel Decoder 49a0bf528SMauro Carvalho Chehab 59a0bf528SMauro Carvalho Chehab Copyright (C) 2003 Andreas Oberritter <obi@linuxtv.org> 69a0bf528SMauro Carvalho Chehab 79a0bf528SMauro Carvalho Chehab 89a0bf528SMauro Carvalho Chehab References: 99a0bf528SMauro Carvalho Chehab http://products.zarlink.com/product_profiles/MT312.htm 109a0bf528SMauro Carvalho Chehab http://products.zarlink.com/product_profiles/SL1935.htm 119a0bf528SMauro Carvalho Chehab */ 129a0bf528SMauro Carvalho Chehab 139a0bf528SMauro Carvalho Chehab #ifndef MT312_H 149a0bf528SMauro Carvalho Chehab #define MT312_H 159a0bf528SMauro Carvalho Chehab 169a0bf528SMauro Carvalho Chehab #include <linux/dvb/frontend.h> 179a0bf528SMauro Carvalho Chehab 189a0bf528SMauro Carvalho Chehab struct mt312_config { 199a0bf528SMauro Carvalho Chehab /* the demodulator's i2c address */ 209a0bf528SMauro Carvalho Chehab u8 demod_address; 219a0bf528SMauro Carvalho Chehab 229a0bf528SMauro Carvalho Chehab /* inverted voltage setting */ 239a0bf528SMauro Carvalho Chehab unsigned int voltage_inverted:1; 249a0bf528SMauro Carvalho Chehab }; 259a0bf528SMauro Carvalho Chehab 269b174527SArnd Bergmann #if IS_REACHABLE(CONFIG_DVB_MT312) 279a0bf528SMauro Carvalho Chehab struct dvb_frontend *mt312_attach(const struct mt312_config *config, 289a0bf528SMauro Carvalho Chehab struct i2c_adapter *i2c); 299a0bf528SMauro Carvalho Chehab #else mt312_attach(const struct mt312_config * config,struct i2c_adapter * i2c)309a0bf528SMauro Carvalho Chehabstatic inline struct dvb_frontend *mt312_attach( 319a0bf528SMauro Carvalho Chehab const struct mt312_config *config, struct i2c_adapter *i2c) 329a0bf528SMauro Carvalho Chehab { 339a0bf528SMauro Carvalho Chehab printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 349a0bf528SMauro Carvalho Chehab return NULL; 359a0bf528SMauro Carvalho Chehab } 369a0bf528SMauro Carvalho Chehab #endif /* CONFIG_DVB_MT312 */ 379a0bf528SMauro Carvalho Chehab 389a0bf528SMauro Carvalho Chehab #endif /* MT312_H */ 39