cx24123.h 1.5 KB

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  1. /*
  2. Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
  3. Copyright (C) 2005 Steven Toth <stoth@hauppauge.com>
  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. */
  16. #ifndef CX24123_H
  17. #define CX24123_H
  18. #include <linux/dvb/frontend.h>
  19. struct cx24123_config
  20. {
  21. /* the demodulator's i2c address */
  22. u8 demod_address;
  23. /*
  24. cards like Hauppauge Nova-S Plus/Nova-SE2 use an Intersil ISL6421 chip
  25. for LNB control, while KWorld DVB-S 100 use the LNBDC and LNBTone bits
  26. from register 0x29 of the CX24123 demodulator
  27. */
  28. int use_isl6421;
  29. /* Need to set device param for start_dma */
  30. int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
  31. void (*enable_lnb_voltage)(struct dvb_frontend* fe, int on);
  32. };
  33. extern struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
  34. struct i2c_adapter* i2c);
  35. #endif /* CX24123_H */