sja1000.h 655 B

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  1. /*
  2. * Copyright 2009, Matthias Fuchs <matthias.fuchs@esd.eu>
  3. *
  4. * SJA1000 register layout for basic CAN mode
  5. *
  6. * SPDX-License-Identifier: GPL-2.0+
  7. */
  8. #ifndef _SJA1000_H_
  9. #define _SJA1000_H_
  10. /*
  11. * SJA1000 register layout in basic can mode
  12. */
  13. struct sja1000_basic_s {
  14. u8 cr;
  15. u8 cmr;
  16. u8 sr;
  17. u8 ir;
  18. u8 ac;
  19. u8 am;
  20. u8 btr0;
  21. u8 btr1;
  22. u8 oc;
  23. u8 txb[10];
  24. u8 rxb[10];
  25. u8 unused;
  26. u8 cdr;
  27. };
  28. /* control register */
  29. #define CR_RR 0x01
  30. /* output control register */
  31. #define OC_MODE0 0x01
  32. #define OC_MODE1 0x02
  33. #define OC_POL0 0x04
  34. #define OC_TN0 0x08
  35. #define OC_TP0 0x10
  36. #define OC_POL1 0x20
  37. #define OC_TN1 0x40
  38. #define OC_TP1 0x80
  39. #endif