drivers/media/dvb-frontends/tda8083.h

   1 /*
   2     Driver for Grundig 29504-491, a Philips TDA8083 based QPSK Frontend
   3
   4     Copyright (C) 2001 Convergence Integrated Media GmbH
   5
   6     written by Ralph Metzler <ralph@convergence.de>
   7
   8     adoption to the new DVB frontend API and diagnostic ioctl's
   9     by Holger Waechtler <holger@convergence.de>
  10
  11     This program is free software; you can redistribute it and/or modify
  12     it under the terms of the GNU General Public License as published by
  13     the Free Software Foundation; either version 2 of the License, or
  14     (at your option) any later version.
  15
  16     This program is distributed in the hope that it will be useful,
  17     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19     GNU General Public License for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with this program; if not, write to the Free Software
  23     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  24
  25 */
  26
  27 #ifndef TDA8083_H
  28 #define TDA8083_H
  29
  30 #include <linux/dvb/frontend.h>
  31
  32 struct tda8083_config
  33 {
  34         /* the demodulator's i2c address */
  35         u8 demod_address;
  36 };
  37
  38 #if IS_REACHABLE(CONFIG_DVB_TDA8083)
  39 extern struct dvb_frontend* tda8083_attach(const struct tda8083_config* config,
  40                                            struct i2c_adapter* i2c);
  41 #else
  42 static inline struct dvb_frontend* tda8083_attach(const struct tda8083_config* config,
  43                                            struct i2c_adapter* i2c)
  44 {
  45         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  46         return NULL;
  47 }
  48 #endif // CONFIG_DVB_TDA8083
  49
  50 #endif // TDA8083_H