drivers/media/dvb-frontends/ds3000.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3     Montage Technology DS3000 - DVBS/S2 Demodulator driver
   4     Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com>
   5
   6     Copyright (C) 2009-2012 TurboSight.com
   7
   8  */
   9
  10 #ifndef DS3000_H
  11 #define DS3000_H
  12
  13 #include <linux/dvb/frontend.h>
  14
  15 struct ds3000_config {
  16         /* the demodulator's i2c address */
  17         u8 demod_address;
  18         u8 ci_mode;
  19         /* Set device param to start dma */
  20         int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
  21         /* Hook for Lock LED */
  22         void (*set_lock_led)(struct dvb_frontend *fe, int offon);
  23 };
  24
  25 #if IS_REACHABLE(CONFIG_DVB_DS3000)
  26 extern struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
  27                                         struct i2c_adapter *i2c);
  28 #else
  29 static inline
  30 struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
  31                                         struct i2c_adapter *i2c)
  32 {
  33         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  34         return NULL;
  35 }
  36 #endif /* CONFIG_DVB_DS3000 */
  37 #endif /* DS3000_H */