cx24123.h 1.9 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162
  1. /*
  2. Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
  3. Copyright (C) 2005 Steven Toth <stoth@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. */
  16. #ifndef CX24123_H
  17. #define CX24123_H
  18. #include <linux/dvb/frontend.h>
  19. struct cx24123_config {
  20. /* the demodulator's i2c address */
  21. u8 demod_address;
  22. /* Need to set device param for start_dma */
  23. int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
  24. /* 0 = LNB voltage normal, 1 = LNB voltage inverted */
  25. int lnb_polarity;
  26. /* this device has another tuner */
  27. u8 dont_use_pll;
  28. void (*agc_callback) (struct dvb_frontend *);
  29. };
  30. #if defined(CONFIG_DVB_CX24123) || (defined(CONFIG_DVB_CX24123_MODULE) \
  31. && defined(MODULE))
  32. extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
  33. struct i2c_adapter *i2c);
  34. extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *);
  35. #else
  36. static inline struct dvb_frontend *cx24123_attach(
  37. const struct cx24123_config *config, struct i2c_adapter *i2c)
  38. {
  39. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  40. return NULL;
  41. }
  42. static struct i2c_adapter *
  43. cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe)
  44. {
  45. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  46. return NULL;
  47. }
  48. #endif
  49. #endif /* CX24123_H */