drivers/media/tuners/tda18218.h

   1 /*
   2  * NXP TDA18218HN silicon tuner driver
   3  *
   4  * Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
   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 TDA18218_H
  22 #define TDA18218_H
  23
  24 #include <linux/kconfig.h>
  25 #include "dvb_frontend.h"
  26
  27 struct tda18218_config {
  28         u8 i2c_address;
  29         u8 i2c_wr_max;
  30         u8 loop_through:1;
  31 };
  32
  33 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA18218)
  34 extern struct dvb_frontend *tda18218_attach(struct dvb_frontend *fe,
  35         struct i2c_adapter *i2c, struct tda18218_config *cfg);
  36 #else
  37 static inline struct dvb_frontend *tda18218_attach(struct dvb_frontend *fe,
  38         struct i2c_adapter *i2c, struct tda18218_config *cfg)
  39 {
  40         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  41         return NULL;
  42 }
  43 #endif
  44
  45 #endif