drivers/media/dvb-frontends/ds3000.h

   1 /*
   2     Montage Technology DS3000 - DVBS/S2 Demodulator driver
   3     Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com>
   4
   5     Copyright (C) 2009-2012 TurboSight.com
   6
   7     This program is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License as published by
   9     the Free Software Foundation; either version 2 of the License, or
  10     (at your option) any later version.
  11
  12     This program is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  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 #ifndef DS3000_H
  23 #define DS3000_H
  24
  25 #include <linux/kconfig.h>
  26 #include <linux/dvb/frontend.h>
  27
  28 struct ds3000_config {
  29         /* the demodulator's i2c address */
  30         u8 demod_address;
  31         u8 ci_mode;
  32         /* Set device param to start dma */
  33         int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
  34         /* Hook for Lock LED */
  35         void (*set_lock_led)(struct dvb_frontend *fe, int offon);
  36 };
  37
  38 #if IS_REACHABLE(CONFIG_DVB_DS3000)
  39 extern struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
  40                                         struct i2c_adapter *i2c);
  41 #else
  42 static inline
  43 struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
  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_DS3000 */
  50 #endif /* DS3000_H */