linux/drivers/media/dvb-frontends/or51211.h
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   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 *    You should have received a copy of the GNU General Public License
  17 *    along with this program; if not, write to the Free Software
  18 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 *
  20*/
  21
  22#ifndef OR51211_H
  23#define OR51211_H
  24
  25#include <linux/dvb/frontend.h>
  26#include <linux/firmware.h>
  27
  28struct or51211_config
  29{
  30        /* The demodulator's i2c address */
  31        u8 demod_address;
  32
  33        /* Request firmware for device */
  34        int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
  35        void (*setmode)(struct dvb_frontend * fe, int mode);
  36        void (*reset)(struct dvb_frontend * fe);
  37        void (*sleep)(struct dvb_frontend * fe);
  38};
  39
  40#if IS_ENABLED(CONFIG_DVB_OR51211)
  41extern struct dvb_frontend* or51211_attach(const struct or51211_config* config,
  42                                           struct i2c_adapter* i2c);
  43#else
  44static inline struct dvb_frontend* or51211_attach(const struct or51211_config* config,
  45                                           struct i2c_adapter* i2c)
  46{
  47        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  48        return NULL;
  49}
  50#endif // CONFIG_DVB_OR51211
  51
  52#endif // OR51211_H
  53
  54