s5h1420.h 1.9 KB

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  1. /*
  2. * Driver for
  3. * Samsung S5H1420 and
  4. * PnpNetwork PN1010 QPSK Demodulator
  5. *
  6. * Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net>
  7. * Copyright (C) 2005-8 Patrick Boettcher <pb@linuxtv.org>
  8. *
  9. * This program is free software; you can redistribute it and/or modify
  10. * it under the terms of the GNU General Public License as published by
  11. * the Free Software Foundation; either version 2 of the License, or
  12. * (at your option) any later version.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. *
  18. * GNU General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU General Public License
  21. * along with this program; if not, write to the Free Software
  22. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23. */
  24. #ifndef S5H1420_H
  25. #define S5H1420_H
  26. #include <linux/dvb/frontend.h>
  27. struct s5h1420_config
  28. {
  29. /* the demodulator's i2c address */
  30. u8 demod_address;
  31. /* does the inversion require inversion? */
  32. u8 invert:1;
  33. u8 repeated_start_workaround:1;
  34. u8 cdclk_polarity:1; /* 1 == falling edge, 0 == raising edge */
  35. u8 serial_mpeg:1;
  36. };
  37. #if defined(CONFIG_DVB_S5H1420) || (defined(CONFIG_DVB_S5H1420_MODULE) && defined(MODULE))
  38. extern struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,
  39. struct i2c_adapter *i2c);
  40. extern struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe);
  41. #else
  42. static inline struct dvb_frontend *s5h1420_attach(const struct s5h1420_config *config,
  43. struct i2c_adapter *i2c)
  44. {
  45. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  46. return NULL;
  47. }
  48. static inline struct i2c_adapter *s5h1420_get_tuner_i2c_adapter(struct dvb_frontend *fe)
  49. {
  50. return NULL;
  51. }
  52. #endif // CONFIG_DVB_S5H1420
  53. #endif // S5H1420_H