horus3a.h 1.7 KB

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  1. /*
  2. * horus3a.h
  3. *
  4. * Sony Horus3A DVB-S/S2 tuner driver
  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 __DVB_HORUS3A_H__
  22. #define __DVB_HORUS3A_H__
  23. #include <linux/kconfig.h>
  24. #include <linux/dvb/frontend.h>
  25. #include <linux/i2c.h>
  26. /**
  27. * struct horus3a_config - the configuration of Horus3A tuner driver
  28. * @i2c_address: I2C address of the tuner
  29. * @xtal_freq_mhz: Oscillator frequency, MHz
  30. * @set_tuner_priv: Callback function private context
  31. * @set_tuner_callback: Callback function that notifies the parent driver
  32. * which tuner is active now
  33. */
  34. struct horus3a_config {
  35. u8 i2c_address;
  36. u8 xtal_freq_mhz;
  37. void *set_tuner_priv;
  38. int (*set_tuner_callback)(void *, int);
  39. };
  40. #if IS_REACHABLE(CONFIG_DVB_HORUS3A)
  41. extern struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe,
  42. const struct horus3a_config *config,
  43. struct i2c_adapter *i2c);
  44. #else
  45. static inline struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe,
  46. const struct horus3a_config *config,
  47. struct i2c_adapter *i2c)
  48. {
  49. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  50. return NULL;
  51. }
  52. #endif
  53. #endif