LXR linux/drivers/media/dvb-frontends/dib3000.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * public header file of the frontend drivers for mobile DVB-T demodulators
   4 * DiBcom 3000M-B and DiBcom 3000P/M-C (http://www.dibcom.fr/)
   5 *
   6 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
   7 *
   8 * based on GPL code from DibCom, which has
   9 *
  10 * Copyright (C) 2004 Amaury Demol for DiBcom
  11 *
  12 * Acknowledgements
  13 *
  14 *  Amaury Demol from DiBcom for providing specs and driver
  15 *  sources, on which this driver (and the dvb-dibusb) are based.
  16 *
  17 * see Documentation/media/dvb-drivers/dvb-usb.rst for more information
  18 */
  19
  20#ifndef DIB3000_H
  21#define DIB3000_H
  22
  23#include <linux/dvb/frontend.h>
  24
  25struct dib3000_config
  26{
  27        /* the demodulator's i2c address */
  28        u8 demod_address;
  29};
  30
  31struct dib_fe_xfer_ops
  32{
  33        /* pid and transfer handling is done in the demodulator */
  34        int (*pid_parse)(struct dvb_frontend *fe, int onoff);
  35        int (*fifo_ctrl)(struct dvb_frontend *fe, int onoff);
  36        int (*pid_ctrl)(struct dvb_frontend *fe, int index, int pid, int onoff);
  37        int (*tuner_pass_ctrl)(struct dvb_frontend *fe, int onoff, u8 pll_ctrl);
  38};
  39
  40#if IS_REACHABLE(CONFIG_DVB_DIB3000MB)
  41extern struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
  42                                             struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops);
  43#else
  44static inline struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
  45                                             struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops)
  46{
  47        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  48        return NULL;
  49}
  50#endif // CONFIG_DVB_DIB3000MB
  51
  52#endif // DIB3000_H
  53