drivers/media/dvb-frontends/cx24113.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *  Driver for Conexant CX24113/CX24128 Tuner (Satellite)
   4  *
   5  *  Copyright (C) 2007-8 Patrick Boettcher <pb@linuxtv.org>
   6  */
   7
   8 #ifndef CX24113_H
   9 #define CX24113_H
  10
  11 struct dvb_frontend;
  12
  13 struct cx24113_config {
  14         u8 i2c_addr; /* 0x14 or 0x54 */
  15
  16         u32 xtal_khz;
  17 };
  18
  19 #if IS_REACHABLE(CONFIG_DVB_TUNER_CX24113)
  20 extern struct dvb_frontend *cx24113_attach(struct dvb_frontend *,
  21         const struct cx24113_config *config, struct i2c_adapter *i2c);
  22
  23 extern void cx24113_agc_callback(struct dvb_frontend *fe);
  24 #else
  25 static inline struct dvb_frontend *cx24113_attach(struct dvb_frontend *fe,
  26         const struct cx24113_config *config, struct i2c_adapter *i2c)
  27 {
  28         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  29         return NULL;
  30 }
  31
  32 static inline void cx24113_agc_callback(struct dvb_frontend *fe)
  33 {
  34         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  35 }
  36 #endif
  37
  38 #endif /* CX24113_H */