LXR linux/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 <media/dvb_frontend.h>
  23#include "drx_driver.h"
  24
  25struct 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)
  34struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c);
  35#else
  36static inline struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c) {
  37        return NULL;
  38};
  39#endif
  40
  41#endif /* DVB_DUMMY_FE_H */
  42