1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * mxl111sf-demod.h - driver for the MaxLinear MXL111SF DVB-T demodulator 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org> 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __MXL111SF_DEMOD_H__ 9*4882a593Smuzhiyun #define __MXL111SF_DEMOD_H__ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <media/dvb_frontend.h> 12*4882a593Smuzhiyun #include "mxl111sf.h" 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun struct mxl111sf_demod_config { 15*4882a593Smuzhiyun int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data); 16*4882a593Smuzhiyun int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data); 17*4882a593Smuzhiyun int (*program_regs)(struct mxl111sf_state *state, 18*4882a593Smuzhiyun struct mxl111sf_reg_ctrl_info *ctrl_reg_info); 19*4882a593Smuzhiyun }; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_DVB_USB_MXL111SF) 22*4882a593Smuzhiyun extern 23*4882a593Smuzhiyun struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state, 24*4882a593Smuzhiyun const struct mxl111sf_demod_config *cfg); 25*4882a593Smuzhiyun #else 26*4882a593Smuzhiyun static inline mxl111sf_demod_attach(struct mxl111sf_state * mxl_state,const struct mxl111sf_demod_config * cfg)27*4882a593Smuzhiyunstruct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state, 28*4882a593Smuzhiyun const struct mxl111sf_demod_config *cfg) 29*4882a593Smuzhiyun { 30*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 31*4882a593Smuzhiyun return NULL; 32*4882a593Smuzhiyun } 33*4882a593Smuzhiyun #endif /* CONFIG_DVB_USB_MXL111SF */ 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun #endif /* __MXL111SF_DEMOD_H__ */ 36