nxt6000.h 1.5 KB

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  1. /*
  2. NxtWave Communications - NXT6000 demodulator driver
  3. Copyright (C) 2002-2003 Florian Schirmer <jolt@tuxbox.org>
  4. Copyright (C) 2003 Paul Andreassen <paul@andreassen.com.au>
  5. This program is free software; you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation; either version 2 of the License, or
  8. (at your option) any later version.
  9. This program is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with this program; if not, write to the Free Software
  15. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  16. */
  17. #ifndef NXT6000_H
  18. #define NXT6000_H
  19. #include <linux/dvb/frontend.h>
  20. struct nxt6000_config
  21. {
  22. /* the demodulator's i2c address */
  23. u8 demod_address;
  24. /* should clock inversion be used? */
  25. u8 clock_inversion:1;
  26. };
  27. #if IS_REACHABLE(CONFIG_DVB_NXT6000)
  28. extern struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
  29. struct i2c_adapter* i2c);
  30. #else
  31. static inline struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
  32. struct i2c_adapter* i2c)
  33. {
  34. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  35. return NULL;
  36. }
  37. #endif // CONFIG_DVB_NXT6000
  38. #endif // NXT6000_H