cx24113.h 1.6 KB

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  1. /*
  2. * Driver for Conexant CX24113/CX24128 Tuner (Satellite)
  3. *
  4. * Copyright (C) 2007-8 Patrick Boettcher <pb@linuxtv.org>
  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. *
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20. */
  21. #ifndef CX24113_H
  22. #define CX24113_H
  23. #include <linux/kconfig.h>
  24. struct dvb_frontend;
  25. struct cx24113_config {
  26. u8 i2c_addr; /* 0x14 or 0x54 */
  27. u32 xtal_khz;
  28. };
  29. #if IS_REACHABLE(CONFIG_DVB_TUNER_CX24113)
  30. extern struct dvb_frontend *cx24113_attach(struct dvb_frontend *,
  31. const struct cx24113_config *config, struct i2c_adapter *i2c);
  32. extern void cx24113_agc_callback(struct dvb_frontend *fe);
  33. #else
  34. static inline struct dvb_frontend *cx24113_attach(struct dvb_frontend *fe,
  35. const struct cx24113_config *config, struct i2c_adapter *i2c)
  36. {
  37. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  38. return NULL;
  39. }
  40. static inline void cx24113_agc_callback(struct dvb_frontend *fe)
  41. {
  42. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  43. }
  44. #endif
  45. #endif /* CX24113_H */