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