drivers/media/dvb-frontends/drx39xyj/drx39xxj.h

   1 /*
   2  *  Driver for Micronas DRX39xx family (drx3933j)
   3  *
   4  *  Written by Devin Heitmueller <devin.heitmueller@kernellabs.com>
   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
  18 #ifndef DRX39XXJ_H
  19 #define DRX39XXJ_H
  20
  21 #include <linux/dvb/frontend.h>
  22 #include "dvb_frontend.h"
  23 #include "drx_driver.h"
  24
  25 struct drx39xxj_state {
  26         struct i2c_adapter *i2c;
  27         struct drx_demod_instance *demod;
  28         struct dvb_frontend frontend;
  29         unsigned int i2c_gate_open:1;
  30         const struct firmware *fw;
  31 };
  32
  33 #if IS_REACHABLE(CONFIG_DVB_DRX39XYJ)
  34 struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c);
  35 #else
  36 static inline struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c) {
  37         return NULL;
  38 };
  39 #endif
  40
  41 #endif /* DVB_DUMMY_FE_H */