lgs8gxx_priv.h 2.5 KB

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  1. /*
  2. * Support for Legend Silicon GB20600 (a.k.a DMB-TH) demodulator
  3. * LGS8913, LGS8GL5, LGS8G75
  4. * experimental support LGS8G42, LGS8G52
  5. *
  6. * Copyright (C) 2007-2009 David T.L. Wong <davidtlwong@gmail.com>
  7. * Copyright (C) 2008 Sirius International (Hong Kong) Limited
  8. * Timothy Lee <timothy.lee@siriushk.com> (for initial work on LGS8GL5)
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License as published by
  12. * the Free Software Foundation; either version 2 of the License, or
  13. * (at your option) any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  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. */
  25. #ifndef LGS8913_PRIV_H
  26. #define LGS8913_PRIV_H
  27. struct lgs8gxx_state {
  28. struct i2c_adapter *i2c;
  29. /* configuration settings */
  30. const struct lgs8gxx_config *config;
  31. struct dvb_frontend frontend;
  32. u16 curr_gi; /* current guard interval */
  33. };
  34. #define SC_MASK 0x1C /* Sub-Carrier Modulation Mask */
  35. #define SC_QAM64 0x10 /* 64QAM modulation */
  36. #define SC_QAM32 0x0C /* 32QAM modulation */
  37. #define SC_QAM16 0x08 /* 16QAM modulation */
  38. #define SC_QAM4NR 0x04 /* 4QAM-NR modulation */
  39. #define SC_QAM4 0x00 /* 4QAM modulation */
  40. #define LGS_FEC_MASK 0x03 /* FEC Rate Mask */
  41. #define LGS_FEC_0_4 0x00 /* FEC Rate 0.4 */
  42. #define LGS_FEC_0_6 0x01 /* FEC Rate 0.6 */
  43. #define LGS_FEC_0_8 0x02 /* FEC Rate 0.8 */
  44. #define TIM_MASK 0x20 /* Time Interleave Length Mask */
  45. #define TIM_LONG 0x20 /* Time Interleave Length = 720 */
  46. #define TIM_MIDDLE 0x00 /* Time Interleave Length = 240 */
  47. #define CF_MASK 0x80 /* Control Frame Mask */
  48. #define CF_EN 0x80 /* Control Frame On */
  49. #define GI_MASK 0x03 /* Guard Interval Mask */
  50. #define GI_420 0x00 /* 1/9 Guard Interval */
  51. #define GI_595 0x01 /* */
  52. #define GI_945 0x02 /* 1/4 Guard Interval */
  53. #define TS_PARALLEL 0x00 /* Parallel TS Output a.k.a. SPI */
  54. #define TS_SERIAL 0x01 /* Serial TS Output a.k.a. SSI */
  55. #define TS_CLK_NORMAL 0x00 /* MPEG Clock Normal */
  56. #define TS_CLK_INVERTED 0x02 /* MPEG Clock Inverted */
  57. #define TS_CLK_GATED 0x00 /* MPEG clock gated */
  58. #define TS_CLK_FREERUN 0x04 /* MPEG clock free running*/
  59. #endif