lgdt330x.h 2.1 KB

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  1. /*
  2. * Support for LGDT3302 and LGDT3303 - VSB/QAM
  3. *
  4. * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  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. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19. *
  20. */
  21. #ifndef LGDT330X_H
  22. #define LGDT330X_H
  23. #include <linux/dvb/frontend.h>
  24. typedef enum lg_chip_t {
  25. UNDEFINED,
  26. LGDT3302,
  27. LGDT3303
  28. }lg_chip_type;
  29. struct lgdt330x_config
  30. {
  31. /* The demodulator's i2c address */
  32. u8 demod_address;
  33. /* LG demodulator chip LGDT3302 or LGDT3303 */
  34. lg_chip_type demod_chip;
  35. /* MPEG hardware interface - 0:parallel 1:serial */
  36. int serial_mpeg;
  37. /* PLL interface */
  38. int (*pll_rf_set) (struct dvb_frontend* fe, int index);
  39. /* Need to set device param for start_dma */
  40. int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
  41. /* Flip the polarity of the mpeg data transfer clock using alternate init data
  42. * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled */
  43. int clock_polarity_flip;
  44. };
  45. #if defined(CONFIG_DVB_LGDT330X) || (defined(CONFIG_DVB_LGDT330X_MODULE) && defined(MODULE))
  46. extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
  47. struct i2c_adapter* i2c);
  48. #else
  49. static inline struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
  50. struct i2c_adapter* i2c)
  51. {
  52. printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  53. return NULL;
  54. }
  55. #endif // CONFIG_DVB_LGDT330X
  56. #endif /* LGDT330X_H */
  57. /*
  58. * Local variables:
  59. * c-basic-offset: 8
  60. * End:
  61. */