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

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 *    Support for OR51211 (pcHDTV HD-2000) - VSB
   4 *
   5 *    Copyright (C) 2005 Kirk Lapray <kirk_lapray@bigfoot.com>
   6*/
   7
   8#ifndef OR51211_H
   9#define OR51211_H
  10
  11#include <linux/dvb/frontend.h>
  12#include <linux/firmware.h>
  13
  14struct or51211_config
  15{
  16        /* The demodulator's i2c address */
  17        u8 demod_address;
  18
  19        /* Request firmware for device */
  20        int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
  21        void (*setmode)(struct dvb_frontend * fe, int mode);
  22        void (*reset)(struct dvb_frontend * fe);
  23        void (*sleep)(struct dvb_frontend * fe);
  24};
  25
  26#if IS_REACHABLE(CONFIG_DVB_OR51211)
  27extern struct dvb_frontend* or51211_attach(const struct or51211_config* config,
  28                                           struct i2c_adapter* i2c);
  29#else
  30static inline struct dvb_frontend* or51211_attach(const struct or51211_config* config,
  31                                           struct i2c_adapter* i2c)
  32{
  33        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  34        return NULL;
  35}
  36#endif // CONFIG_DVB_OR51211
  37
  38#endif // OR51211_H
  39
  40