drivers/media/dvb-frontends/dib3000.h

   1 /*
   2  * public header file of the frontend drivers for mobile DVB-T demodulators
   3  * DiBcom 3000M-B and DiBcom 3000P/M-C (http://www.dibcom.fr/)
   4  *
   5  * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
   6  *
   7  * based on GPL code from DibCom, which has
   8  *
   9  * Copyright (C) 2004 Amaury Demol for DiBcom (ademol@dibcom.fr)
  10  *
  11  *      This program is free software; you can redistribute it and/or
  12  *      modify it under the terms of the GNU General Public License as
  13  *      published by the Free Software Foundation, version 2.
  14  *
  15  * Acknowledgements
  16  *
  17  *  Amaury Demol (ademol@dibcom.fr) from DiBcom for providing specs and driver
  18  *  sources, on which this driver (and the dvb-dibusb) are based.
  19  *
  20  * see Documentation/dvb/README.dvb-usb for more information
  21  *
  22  */
  23
  24 #ifndef DIB3000_H
  25 #define DIB3000_H
  26
  27 #include <linux/dvb/frontend.h>
  28
  29 struct dib3000_config
  30 {
  31         /* the demodulator's i2c address */
  32         u8 demod_address;
  33 };
  34
  35 struct dib_fe_xfer_ops
  36 {
  37         /* pid and transfer handling is done in the demodulator */
  38         int (*pid_parse)(struct dvb_frontend *fe, int onoff);
  39         int (*fifo_ctrl)(struct dvb_frontend *fe, int onoff);
  40         int (*pid_ctrl)(struct dvb_frontend *fe, int index, int pid, int onoff);
  41         int (*tuner_pass_ctrl)(struct dvb_frontend *fe, int onoff, u8 pll_ctrl);
  42 };
  43
  44 #if IS_ENABLED(CONFIG_DVB_DIB3000MB)
  45 extern struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
  46                                              struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops);
  47 #else
  48 static inline struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
  49                                              struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops)
  50 {
  51         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  52         return NULL;
  53 }
  54 #endif // CONFIG_DVB_DIB3000MB
  55
  56 #endif // DIB3000_H