drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *  mxl111sf-tuner.h - driver for the MaxLinear MXL111SF CMOS tuner
   4  *
   5  *  Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
   6  */
   7
   8 #ifndef __MXL111SF_TUNER_H__
   9 #define __MXL111SF_TUNER_H__
  10
  11 #include <media/dvb_frontend.h>
  12 #include "mxl111sf.h"
  13
  14 enum mxl_if_freq {
  15 #if 0
  16         MXL_IF_LO    = 0x00, /* other IF < 9MHz */
  17 #endif
  18         MXL_IF_4_0   = 0x01, /* 4.0   MHz */
  19         MXL_IF_4_5   = 0x02, /* 4.5   MHz */
  20         MXL_IF_4_57  = 0x03, /* 4.57  MHz */
  21         MXL_IF_5_0   = 0x04, /* 5.0   MHz */
  22         MXL_IF_5_38  = 0x05, /* 5.38  MHz */
  23         MXL_IF_6_0   = 0x06, /* 6.0   MHz */
  24         MXL_IF_6_28  = 0x07, /* 6.28  MHz */
  25         MXL_IF_7_2   = 0x08, /* 7.2   MHz */
  26         MXL_IF_35_25 = 0x09, /* 35.25 MHz */
  27         MXL_IF_36    = 0x0a, /* 36    MHz */
  28         MXL_IF_36_15 = 0x0b, /* 36.15 MHz */
  29         MXL_IF_44    = 0x0c, /* 44    MHz */
  30 #if 0
  31         MXL_IF_HI    = 0x0f, /* other IF > 35 MHz and < 45 MHz */
  32 #endif
  33 };
  34
  35 struct mxl111sf_tuner_config {
  36         enum mxl_if_freq if_freq;
  37         unsigned int invert_spectrum:1;
  38
  39         int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data);
  40         int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data);
  41         int (*program_regs)(struct mxl111sf_state *state,
  42                             struct mxl111sf_reg_ctrl_info *ctrl_reg_info);
  43         int (*top_master_ctrl)(struct mxl111sf_state *state, int onoff);
  44         int (*ant_hunt)(struct dvb_frontend *fe);
  45 };
  46
  47 /* ------------------------------------------------------------------------ */
  48
  49 #if IS_ENABLED(CONFIG_DVB_USB_MXL111SF)
  50 extern
  51 struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
  52                                 struct mxl111sf_state *mxl_state,
  53                                 const struct mxl111sf_tuner_config *cfg);
  54 #else
  55 static inline
  56 struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
  57                                 struct mxl111sf_state *mxl_state,
  58                                 const struct mxl111sf_tuner_config *cfg)
  59 {
  60         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  61         return NULL;
  62 }
  63 #endif
  64
  65 #endif /* __MXL111SF_TUNER_H__ */