lnbp22.h 1.7 KB

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  1. /*
  2. * lnbp22.h - driver for lnb supply and control ic lnbp22
  3. *
  4. * Copyright (C) 2006 Dominik Kuhlen
  5. * Based on lnbp21.h
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License
  9. * as published by the Free Software Foundation; either version 2
  10. * of the License, or (at your option) any later version.
  11. *
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. *
  19. * You should have received a copy of the GNU General Public License
  20. * along with this program; if not, write to the Free Software
  21. * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22. * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
  23. *
  24. *
  25. * the project's page is at http://www.linuxtv.org
  26. */
  27. #ifndef _LNBP22_H
  28. #define _LNBP22_H
  29. /* Enable */
  30. #define LNBP22_EN 0x10
  31. /* Voltage selection */
  32. #define LNBP22_VSEL 0x02
  33. /* Plus 1 Volt Bit */
  34. #define LNBP22_LLC 0x01
  35. #include <linux/dvb/frontend.h>
  36. #if defined(CONFIG_DVB_LNBP22) || \
  37. (defined(CONFIG_DVB_LNBP22_MODULE) && defined(MODULE))
  38. /*
  39. * override_set and override_clear control which system register bits (above)
  40. * to always set & clear
  41. */
  42. extern struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe,
  43. struct i2c_adapter *i2c);
  44. #else
  45. static inline struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe,
  46. struct i2c_adapter *i2c)
  47. {
  48. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  49. return NULL;
  50. }
  51. #endif /* CONFIG_DVB_LNBP22 */
  52. #endif /* _LNBP22_H */