LXR linux/drivers/media/dvb-frontends/or51211.h

   1/*
   2 *    Support for OR51211 (pcHDTV HD-2000) - VSB
   3 *
   4 *    Copyright (C) 2005 Kirk Lapray <kirk_lapray@bigfoot.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 *    GNU General Public License for more details.
  15 *
  16*/
  17
  18#ifndef OR51211_H
  19#define OR51211_H
  20
  21#include <linux/dvb/frontend.h>
  22#include <linux/firmware.h>
  23
  24struct or51211_config
  25{
  26        /* The demodulator's i2c address */
  27        u8 demod_address;
  28
  29        /* Request firmware for device */
  30        int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
  31        void (*setmode)(struct dvb_frontend * fe, int mode);
  32        void (*reset)(struct dvb_frontend * fe);
  33        void (*sleep)(struct dvb_frontend * fe);
  34};
  35
  36#if IS_REACHABLE(CONFIG_DVB_OR51211)
  37extern struct dvb_frontend* or51211_attach(const struct or51211_config* config,
  38                                           struct i2c_adapter* i2c);
  39#else
  40static inline struct dvb_frontend* or51211_attach(const struct or51211_config* config,
  41                                           struct i2c_adapter* i2c)
  42{
  43        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  44        return NULL;
  45}
  46#endif // CONFIG_DVB_OR51211
  47
  48#endif // OR51211_H
  49
  50