linux/drivers/media/dvb-frontends/stv0297.h
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   1/*
   2    Driver for STV0297 demodulator
   3
   4    Copyright (C) 2003-2004 Dennis Noermann <dennis.noermann@noernet.de>
   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#ifndef STV0297_H
  22#define STV0297_H
  23
  24#include <linux/dvb/frontend.h>
  25#include "dvb_frontend.h"
  26
  27struct stv0297_config
  28{
  29        /* the demodulator's i2c address */
  30        u8 demod_address;
  31
  32        /* inittab - array of pairs of values.
  33        * First of each pair is the register, second is the value.
  34        * List should be terminated with an 0xff, 0xff pair.
  35        */
  36        u8* inittab;
  37
  38        /* does the "inversion" need inverted? */
  39        u8 invert:1;
  40
  41        /* set to 1 if the device requires an i2c STOP during reading */
  42        u8 stop_during_read:1;
  43};
  44
  45#if defined(CONFIG_DVB_STV0297) || (defined(CONFIG_DVB_STV0297_MODULE) && defined(MODULE))
  46extern struct dvb_frontend* stv0297_attach(const struct stv0297_config* config,
  47                                           struct i2c_adapter* i2c);
  48#else
  49static inline struct dvb_frontend* stv0297_attach(const struct stv0297_config* config,
  50                                           struct i2c_adapter* i2c)
  51{
  52        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  53        return NULL;
  54}
  55#endif // CONFIG_DVB_STV0297
  56
  57#endif // STV0297_H
  58