drivers/media/dvb-frontends/stb6000.h

   1   /*
   2      Driver for ST stb6000 DVBS Silicon tuner
   3
   4      Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
   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      You should have received a copy of the GNU General Public License
  18      along with this program; if not, write to the Free Software
  19      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20
  21   */
  22
  23 #ifndef __DVB_STB6000_H__
  24 #define __DVB_STB6000_H__
  25
  26 #include <linux/kconfig.h>
  27 #include <linux/i2c.h>
  28 #include "dvb_frontend.h"
  29
  30 /**
  31  * Attach a stb6000 tuner to the supplied frontend structure.
  32  *
  33  * @param fe Frontend to attach to.
  34  * @param addr i2c address of the tuner.
  35  * @param i2c i2c adapter to use.
  36  * @return FE pointer on success, NULL on failure.
  37  */
  38 #if IS_REACHABLE(CONFIG_DVB_STB6000)
  39 extern struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe, int addr,
  40                                            struct i2c_adapter *i2c);
  41 #else
  42 static inline struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe,
  43                                                   int addr,
  44                                                   struct i2c_adapter *i2c)
  45 {
  46         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  47         return NULL;
  48 }
  49 #endif /* CONFIG_DVB_STB6000 */
  50
  51 #endif /* __DVB_STB6000_H__ */