mt312.h 1.6 KB

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  1. /*
  2. Driver for Zarlink MT312 Satellite Channel Decoder
  3. Copyright (C) 2003 Andreas Oberritter <obi@linuxtv.org>
  4. This program is free software; you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 2 of the License, or
  7. (at your option) any later version.
  8. This program is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. GNU General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with this program; if not, write to the Free Software
  14. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  15. References:
  16. http://products.zarlink.com/product_profiles/MT312.htm
  17. http://products.zarlink.com/product_profiles/SL1935.htm
  18. */
  19. #ifndef MT312_H
  20. #define MT312_H
  21. #include <linux/dvb/frontend.h>
  22. struct mt312_config {
  23. /* the demodulator's i2c address */
  24. u8 demod_address;
  25. /* inverted voltage setting */
  26. unsigned int voltage_inverted:1;
  27. };
  28. #if defined(CONFIG_DVB_MT312) || (defined(CONFIG_DVB_MT312_MODULE) && defined(MODULE))
  29. struct dvb_frontend *mt312_attach(const struct mt312_config *config,
  30. struct i2c_adapter *i2c);
  31. #else
  32. static inline struct dvb_frontend *mt312_attach(
  33. const struct mt312_config *config, struct i2c_adapter *i2c)
  34. {
  35. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  36. return NULL;
  37. }
  38. #endif /* CONFIG_DVB_MT312 */
  39. #endif /* MT312_H */