lnbh24.h 1.7 KB

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  1. /*
  2. * lnbh24.h - driver for lnb supply and control ic lnbh24
  3. *
  4. * Copyright (C) 2009 NetUP Inc.
  5. * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 2 of the License, or
  10. * (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. *
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21. */
  22. #ifndef _LNBH24_H
  23. #define _LNBH24_H
  24. /* system register bits */
  25. #define LNBH24_OLF 0x01
  26. #define LNBH24_OTF 0x02
  27. #define LNBH24_EN 0x04
  28. #define LNBH24_VSEL 0x08
  29. #define LNBH24_LLC 0x10
  30. #define LNBH24_TEN 0x20
  31. #define LNBH24_TTX 0x40
  32. #define LNBH24_PCL 0x80
  33. #include <linux/dvb/frontend.h>
  34. #if defined(CONFIG_DVB_LNBP21) || (defined(CONFIG_DVB_LNBP21_MODULE) \
  35. && defined(MODULE))
  36. /* override_set and override_clear control which
  37. system register bits (above) to always set & clear */
  38. extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
  39. struct i2c_adapter *i2c, u8 override_set,
  40. u8 override_clear, u8 i2c_addr);
  41. #else
  42. static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
  43. struct i2c_adapter *i2c, u8 override_set,
  44. u8 override_clear, u8 i2c_addr)
  45. {
  46. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  47. return NULL;
  48. }
  49. #endif
  50. #endif