1*c942fddfSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 2ccae7af2SMauro Carvalho Chehab /* 3ccae7af2SMauro Carvalho Chehab * Driver for Microtune MT2131 "QAM/8VSB single chip tuner" 4ccae7af2SMauro Carvalho Chehab * 5ccae7af2SMauro Carvalho Chehab * Copyright (c) 2006 Steven Toth <stoth@linuxtv.org> 6ccae7af2SMauro Carvalho Chehab */ 7ccae7af2SMauro Carvalho Chehab 8ccae7af2SMauro Carvalho Chehab #ifndef __MT2131_H__ 9ccae7af2SMauro Carvalho Chehab #define __MT2131_H__ 10ccae7af2SMauro Carvalho Chehab 11ccae7af2SMauro Carvalho Chehab struct dvb_frontend; 12ccae7af2SMauro Carvalho Chehab struct i2c_adapter; 13ccae7af2SMauro Carvalho Chehab 14ccae7af2SMauro Carvalho Chehab struct mt2131_config { 15ccae7af2SMauro Carvalho Chehab u8 i2c_address; 16ccae7af2SMauro Carvalho Chehab u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */ 17ccae7af2SMauro Carvalho Chehab }; 18ccae7af2SMauro Carvalho Chehab 199b174527SArnd Bergmann #if IS_REACHABLE(CONFIG_MEDIA_TUNER_MT2131) 20ccae7af2SMauro Carvalho Chehab extern struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe, 21ccae7af2SMauro Carvalho Chehab struct i2c_adapter *i2c, 22ccae7af2SMauro Carvalho Chehab struct mt2131_config *cfg, 23ccae7af2SMauro Carvalho Chehab u16 if1); 24ccae7af2SMauro Carvalho Chehab #else 25ccae7af2SMauro Carvalho Chehab static inline struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe, 26ccae7af2SMauro Carvalho Chehab struct i2c_adapter *i2c, 27ccae7af2SMauro Carvalho Chehab struct mt2131_config *cfg, 28ccae7af2SMauro Carvalho Chehab u16 if1) 29ccae7af2SMauro Carvalho Chehab { 30ccae7af2SMauro Carvalho Chehab printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 31ccae7af2SMauro Carvalho Chehab return NULL; 32ccae7af2SMauro Carvalho Chehab } 33ccae7af2SMauro Carvalho Chehab #endif /* CONFIG_MEDIA_TUNER_MT2131 */ 34ccae7af2SMauro Carvalho Chehab 35ccae7af2SMauro Carvalho Chehab #endif /* __MT2131_H__ */ 36