drxd.h 1.8 KB

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  1. /*
  2. * drxd.h: DRXD DVB-T demodulator driver
  3. *
  4. * Copyright (C) 2005-2007 Micronas
  5. *
  6. * This program is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU General Public License
  8. * version 2 only, as published by the Free Software Foundation.
  9. *
  10. *
  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. *
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  20. * 02110-1301, USA
  21. * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
  22. */
  23. #ifndef _DRXD_H_
  24. #define _DRXD_H_
  25. #include <linux/types.h>
  26. #include <linux/i2c.h>
  27. struct drxd_config {
  28. u8 index;
  29. u8 pll_address;
  30. u8 pll_type;
  31. #define DRXD_PLL_NONE 0
  32. #define DRXD_PLL_DTT7520X 1
  33. #define DRXD_PLL_MT3X0823 2
  34. u32 clock;
  35. u8 insert_rs_byte;
  36. u8 demod_address;
  37. u8 demoda_address;
  38. u8 demod_revision;
  39. /* If the tuner is not behind an i2c gate, be sure to flip this bit
  40. or else the i2c bus could get wedged */
  41. u8 disable_i2c_gate_ctrl;
  42. u32 IF;
  43. s16(*osc_deviation) (void *priv, s16 dev, int flag);
  44. };
  45. #if IS_REACHABLE(CONFIG_DVB_DRXD)
  46. extern
  47. struct dvb_frontend *drxd_attach(const struct drxd_config *config,
  48. void *priv, struct i2c_adapter *i2c,
  49. struct device *dev);
  50. #else
  51. static inline
  52. struct dvb_frontend *drxd_attach(const struct drxd_config *config,
  53. void *priv, struct i2c_adapter *i2c,
  54. struct device *dev)
  55. {
  56. printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
  57. __func__);
  58. return NULL;
  59. }
  60. #endif
  61. #endif