LXR linux/drivers/media/dvb/frontends/s5h1409.h

   1/*
   2    Samsung S5H1409 VSB/QAM demodulator driver
   3
   4    Copyright (C) 2006 Steven Toth <stoth@hauppauge.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 __S5H1409_H__
  23#define __S5H1409_H__
  24
  25#include <linux/dvb/frontend.h>
  26
  27struct s5h1409_config
  28{
  29        /* the demodulator's i2c address */
  30        u8 demod_address;
  31
  32        /* serial/parallel output */
  33#define S5H1409_PARALLEL_OUTPUT 0
  34#define S5H1409_SERIAL_OUTPUT   1
  35        u8 output_mode;
  36
  37        /* GPIO Setting */
  38#define S5H1409_GPIO_OFF 0
  39#define S5H1409_GPIO_ON  1
  40        u8 gpio;
  41
  42        /* IF Freq in KHz */
  43        u16 if_freq;
  44
  45        /* Spectral Inversion */
  46#define S5H1409_INVERSION_OFF 0
  47#define S5H1409_INVERSION_ON  1
  48        u8 inversion;
  49
  50        /* Return lock status based on tuner lock, or demod lock */
  51#define S5H1409_TUNERLOCKING 0
  52#define S5H1409_DEMODLOCKING 1
  53        u8 status_mode;
  54};
  55
  56#if defined(CONFIG_DVB_S5H1409) || (defined(CONFIG_DVB_S5H1409_MODULE) && defined(MODULE))
  57extern struct dvb_frontend* s5h1409_attach(const struct s5h1409_config* config,
  58                                           struct i2c_adapter* i2c);
  59#else
  60static inline struct dvb_frontend* s5h1409_attach(const struct s5h1409_config* config,
  61                                                  struct i2c_adapter* i2c)
  62{
  63        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
  64        return NULL;
  65}
  66#endif /* CONFIG_DVB_S5H1409 */
  67
  68#endif /* __S5H1409_H__ */
  69
  70/*
  71 * Local variables:
  72 * c-basic-offset: 8
  73 */
  74