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 * 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_TUNER_H__ 22 #define __MXL111SF_TUNER_H__ 23 24 #include <linux/kconfig.h> 25 #include "dvb_frontend.h" 26 #include "mxl111sf.h" 27 28 enum mxl_if_freq { 29 #if 0 30 MXL_IF_LO = 0x00, /* other IF < 9MHz */ 31 #endif 32 MXL_IF_4_0 = 0x01, /* 4.0 MHz */ 33 MXL_IF_4_5 = 0x02, /* 4.5 MHz */ 34 MXL_IF_4_57 = 0x03, /* 4.57 MHz */ 35 MXL_IF_5_0 = 0x04, /* 5.0 MHz */ 36 MXL_IF_5_38 = 0x05, /* 5.38 MHz */ 37 MXL_IF_6_0 = 0x06, /* 6.0 MHz */ 38 MXL_IF_6_28 = 0x07, /* 6.28 MHz */ 39 MXL_IF_7_2 = 0x08, /* 7.2 MHz */ 40 MXL_IF_35_25 = 0x09, /* 35.25 MHz */ 41 MXL_IF_36 = 0x0a, /* 36 MHz */ 42 MXL_IF_36_15 = 0x0b, /* 36.15 MHz */ 43 MXL_IF_44 = 0x0c, /* 44 MHz */ 44 #if 0 45 MXL_IF_HI = 0x0f, /* other IF > 35 MHz and < 45 MHz */ 46 #endif 47 }; 48 49 struct mxl111sf_tuner_config { 50 enum mxl_if_freq if_freq; 51 unsigned int invert_spectrum:1; 52 53 int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data); 54 int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data); 55 int (*program_regs)(struct mxl111sf_state *state, 56 struct mxl111sf_reg_ctrl_info *ctrl_reg_info); 57 int (*top_master_ctrl)(struct mxl111sf_state *state, int onoff); 58 int (*ant_hunt)(struct dvb_frontend *fe); 59 }; 60 61 /* ------------------------------------------------------------------------ */ 62 63 #if IS_ENABLED(CONFIG_DVB_USB_MXL111SF) 64 extern 65 struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe, 66 struct mxl111sf_state *mxl_state, 67 struct mxl111sf_tuner_config *cfg); 68 #else 69 static inline 70 struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe, 71 struct mxl111sf_state *mxl_state, 72 struct mxl111sf_tuner_config *cfg) 73 { 74 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 75 return NULL; 76 } 77 #endif 78 79 #endif /* __MXL111SF_TUNER_H__ */ 80