drivers/media/tuners/max2165.h

   1 /*
   2  *  Driver for Maxim MAX2165 silicon tuner
   3  *
   4  *  Copyright (c) 2009 David T. L. Wong <davidtlwong@gmail.com>
   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  *
  15  *  GNU General Public License for more details.
  16  */
  17
  18 #ifndef __MAX2165_H__
  19 #define __MAX2165_H__
  20
  21 struct dvb_frontend;
  22 struct i2c_adapter;
  23
  24 struct max2165_config {
  25         u8 i2c_address;
  26         u8 osc_clk; /* in MHz, selectable values: 4,16,18,20,22,24,26,28 */
  27 };
  28
  29 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_MAX2165)
  30 extern struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
  31         struct i2c_adapter *i2c,
  32         struct max2165_config *cfg);
  33 #else
  34 static inline struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
  35         struct i2c_adapter *i2c,
  36         struct max2165_config *cfg)
  37 {
  38         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  39         return NULL;
  40 }
  41 #endif
  42
  43 #endif