ves1x93.h 1.7 KB

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  1. /*
  2. Driver for VES1893 and VES1993 QPSK Demodulators
  3. Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
  4. Copyright (C) 2001 Ronny Strutz <3des@elitedvb.de>
  5. Copyright (C) 2002 Dennis Noermann <dennis.noermann@noernet.de>
  6. Copyright (C) 2002-2003 Andreas Oberritter <obi@linuxtv.org>
  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. This program is distributed in the hope that it will be useful,
  12. but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. GNU General Public License for more details.
  15. You should have received a copy of the GNU General Public License
  16. along with this program; if not, write to the Free Software
  17. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18. */
  19. #ifndef VES1X93_H
  20. #define VES1X93_H
  21. #include <linux/dvb/frontend.h>
  22. struct ves1x93_config
  23. {
  24. /* the demodulator's i2c address */
  25. u8 demod_address;
  26. /* value of XIN to use */
  27. u32 xin;
  28. /* should PWM be inverted? */
  29. u8 invert_pwm:1;
  30. };
  31. #if defined(CONFIG_DVB_VES1X93) || (defined(CONFIG_DVB_VES1X93_MODULE) && defined(MODULE))
  32. extern struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config,
  33. struct i2c_adapter* i2c);
  34. #else
  35. static inline struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config,
  36. struct i2c_adapter* i2c)
  37. {
  38. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  39. return NULL;
  40. }
  41. #endif // CONFIG_DVB_VES1X93
  42. #endif // VES1X93_H