drivers/media/tuners/fc0012.h

   1 /*
   2  * Fitipower FC0012 tuner driver - include
   3  *
   4  * Copyright (C) 2012 Hans-Frieder Vogt <hfvogt@gmx.net>
   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 _FC0012_H_
  22 #define _FC0012_H_
  23
  24 #include "dvb_frontend.h"
  25 #include "fc001x-common.h"
  26
  27 struct fc0012_config {
  28         /*
  29          * I2C address
  30          */
  31         u8 i2c_address;
  32
  33         /*
  34          * clock
  35          */
  36         enum fc001x_xtal_freq xtal_freq;
  37
  38         bool dual_master;
  39
  40         /*
  41          * RF loop-through
  42          */
  43         bool loop_through;
  44
  45         /*
  46          * clock output
  47          */
  48         bool clock_out;
  49 };
  50
  51 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_FC0012)
  52 extern struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
  53                                         struct i2c_adapter *i2c,
  54                                         const struct fc0012_config *cfg);
  55 #else
  56 static inline struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
  57                                         struct i2c_adapter *i2c,
  58                                         const struct fc0012_config *cfg)
  59 {
  60         pr_warn("%s: driver disabled by Kconfig\n", __func__);
  61         return NULL;
  62 }
  63 #endif
  64
  65 #endif