1 /* 2 * mxl111sf-demod.h - driver for the MaxLinear MXL111SF DVB-T demodulator 3 * 4 * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 */ 20 21 #ifndef __MXL111SF_DEMOD_H__ 22 #define __MXL111SF_DEMOD_H__ 23 24 #include <linux/kconfig.h> 25 #include "dvb_frontend.h" 26 #include "mxl111sf.h" 27 28 struct mxl111sf_demod_config { 29 int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data); 30 int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data); 31 int (*program_regs)(struct mxl111sf_state *state, 32 struct mxl111sf_reg_ctrl_info *ctrl_reg_info); 33 }; 34 35 #if IS_ENABLED(CONFIG_DVB_USB_MXL111SF) 36 extern 37 struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state, 38 struct mxl111sf_demod_config *cfg); 39 #else 40 static inline 41 struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state, 42 struct mxl111sf_demod_config *cfg) 43 { 44 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 45 return NULL; 46 } 47 #endif /* CONFIG_DVB_USB_MXL111SF */ 48 49 #endif /* __MXL111SF_DEMOD_H__ */ 50