drivers/media/dvb/frontends/stv0297.h

   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
  27 struct stv0297_config
  28 {
  29         /* the demodulator's i2c address */
  30         u8 demod_address;
  31
  32         /* does the "inversion" need inverted? */
  33         u8 invert:1;
  34
  35         /* PLL maintenance */
  36         int (*pll_init)(struct dvb_frontend* fe);
  37         int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
  38 };
  39
  40 extern struct dvb_frontend* stv0297_attach(const struct stv0297_config* config,
  41                                            struct i2c_adapter* i2c, int pwm);
  42 extern int stv0297_enable_plli2c(struct dvb_frontend* fe);
  43
  44 #endif // STV0297_H