1 /* 2 * mxl111sf-tuner.h - driver for the MaxLinear MXL111SF CMOS tuner 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 17 #ifndef __MXL111SF_TUNER_H__ 18 #define __MXL111SF_TUNER_H__ 19 20 #include "dvb_frontend.h" 21 #include "mxl111sf.h" 22 23 enum mxl_if_freq { 24 #if 0 25 MXL_IF_LO = 0x00, /* other IF < 9MHz */ 26 #endif 27 MXL_IF_4_0 = 0x01, /* 4.0 MHz */ 28 MXL_IF_4_5 = 0x02, /* 4.5 MHz */ 29 MXL_IF_4_57 = 0x03, /* 4.57 MHz */ 30 MXL_IF_5_0 = 0x04, /* 5.0 MHz */ 31 MXL_IF_5_38 = 0x05, /* 5.38 MHz */ 32 MXL_IF_6_0 = 0x06, /* 6.0 MHz */ 33 MXL_IF_6_28 = 0x07, /* 6.28 MHz */ 34 MXL_IF_7_2 = 0x08, /* 7.2 MHz */ 35 MXL_IF_35_25 = 0x09, /* 35.25 MHz */ 36 MXL_IF_36 = 0x0a, /* 36 MHz */ 37 MXL_IF_36_15 = 0x0b, /* 36.15 MHz */ 38 MXL_IF_44 = 0x0c, /* 44 MHz */ 39 #if 0 40 MXL_IF_HI = 0x0f, /* other IF > 35 MHz and < 45 MHz */ 41 #endif 42 }; 43 44 struct mxl111sf_tuner_config { 45 enum mxl_if_freq if_freq; 46 unsigned int invert_spectrum:1; 47 48 int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data); 49 int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data); 50 int (*program_regs)(struct mxl111sf_state *state, 51 struct mxl111sf_reg_ctrl_info *ctrl_reg_info); 52 int (*top_master_ctrl)(struct mxl111sf_state *state, int onoff); 53 int (*ant_hunt)(struct dvb_frontend *fe); 54 }; 55 56 /* ------------------------------------------------------------------------ */ 57 58 #if IS_ENABLED(CONFIG_DVB_USB_MXL111SF) 59 extern 60 struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe, 61 struct mxl111sf_state *mxl_state, 62 const struct mxl111sf_tuner_config *cfg); 63 #else 64 static inline 65 struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe, 66 struct mxl111sf_state *mxl_state, 67 const struct mxl111sf_tuner_config *cfg) 68 { 69 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 70 return NULL; 71 } 72 #endif 73 74 #endif /* __MXL111SF_TUNER_H__ */ 75