drivers/media/dvb-frontends/tda10086.h

   1   /*
   2      Driver for Philips tda10086 DVBS Frontend
   3
   4      (c) 2006 Andrew de Quincey
   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 TDA10086_H
  24 #define TDA10086_H
  25
  26 #include <linux/dvb/frontend.h>
  27 #include <linux/firmware.h>
  28
  29 enum tda10086_xtal {
  30         TDA10086_XTAL_16M,
  31         TDA10086_XTAL_4M
  32 };
  33
  34 struct tda10086_config
  35 {
  36         /* the demodulator's i2c address */
  37         u8 demod_address;
  38
  39         /* does the "inversion" need inverted? */
  40         u8 invert;
  41
  42         /* do we need the diseqc signal with carrier? */
  43         u8 diseqc_tone;
  44
  45         /* frequency of the reference xtal */
  46         enum tda10086_xtal xtal_freq;
  47 };
  48
  49 #if IS_REACHABLE(CONFIG_DVB_TDA10086)
  50 extern struct dvb_frontend* tda10086_attach(const struct tda10086_config* config,
  51                                             struct i2c_adapter* i2c);
  52 #else
  53 static inline struct dvb_frontend* tda10086_attach(const struct tda10086_config* config,
  54                                                    struct i2c_adapter* i2c)
  55 {
  56         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  57         return NULL;
  58 }
  59 #endif /* CONFIG_DVB_TDA10086 */
  60
  61 #endif /* TDA10086_H */