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  *  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 DRX39XXJ_H
  23 #define DRX39XXJ_H
  24
  25 #include <linux/dvb/frontend.h>
  26 #include "dvb_frontend.h"
  27 #include "drx_driver.h"
  28
  29 struct drx39xxj_state {
  30         struct i2c_adapter *i2c;
  31         struct drx_demod_instance *demod;
  32         struct dvb_frontend frontend;
  33         unsigned int i2c_gate_open:1;
  34         const struct firmware *fw;
  35 };
  36
  37 #if IS_REACHABLE(CONFIG_DVB_DRX39XYJ)
  38 struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c);
  39 #else
  40 static inline struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c) {
  41         return NULL;
  42 };
  43 #endif
  44
  45 #endif /* DVB_DUMMY_FE_H */