cxd2841er.h 1.7 KB

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  1. /*
  2. * cxd2841er.h
  3. *
  4. * Sony CXD2441ER digital demodulator driver public definitions
  5. *
  6. * Copyright 2012 Sony Corporation
  7. * Copyright (C) 2014 NetUP Inc.
  8. * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
  9. * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
  10. *
  11. * This program is free software; you can redistribute it and/or modify
  12. * it under the terms of the GNU General Public License as published by
  13. * the Free Software Foundation; either version 2 of the License, or
  14. * (at your option) any later version.
  15. *
  16. * This program is distributed in the hope that it will be useful,
  17. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  19. * GNU General Public License for more details.
  20. */
  21. #ifndef CXD2841ER_H
  22. #define CXD2841ER_H
  23. #include <linux/dvb/frontend.h>
  24. enum cxd2841er_xtal {
  25. SONY_XTAL_20500, /* 20.5 MHz */
  26. SONY_XTAL_24000, /* 24 MHz */
  27. SONY_XTAL_41000 /* 41 MHz */
  28. };
  29. struct cxd2841er_config {
  30. u8 i2c_addr;
  31. enum cxd2841er_xtal xtal;
  32. };
  33. #if IS_REACHABLE(CONFIG_DVB_CXD2841ER)
  34. extern struct dvb_frontend *cxd2841er_attach_s(struct cxd2841er_config *cfg,
  35. struct i2c_adapter *i2c);
  36. extern struct dvb_frontend *cxd2841er_attach_t_c(struct cxd2841er_config *cfg,
  37. struct i2c_adapter *i2c);
  38. #else
  39. static inline struct dvb_frontend *cxd2841er_attach_s(
  40. struct cxd2841er_config *cfg,
  41. struct i2c_adapter *i2c)
  42. {
  43. pr_warn("%s: driver disabled by Kconfig\n", __func__);
  44. return NULL;
  45. }
  46. static inline struct dvb_frontend *cxd2841er_attach_t_c(
  47. struct cxd2841er_config *cfg, struct i2c_adapter *i2c)
  48. {
  49. pr_warn("%s: driver disabled by Kconfig\n", __func__);
  50. return NULL;
  51. }
  52. #endif
  53. #endif