isdn_divertif.h 1.7 KB

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  1. /* $Id: isdn_divertif.h,v 1.1.1.1 2007/06/12 07:27:16 eyryu Exp $
  2. *
  3. * Header for the diversion supplementary interface for i4l.
  4. *
  5. * Author Werner Cornelius (werner@titro.de)
  6. * Copyright by Werner Cornelius (werner@titro.de)
  7. *
  8. * This software may be used and distributed according to the terms
  9. * of the GNU General Public License, incorporated herein by reference.
  10. *
  11. */
  12. /***********************************************************/
  13. /* magic value is also used to control version information */
  14. /***********************************************************/
  15. #define DIVERT_IF_MAGIC 0x25873401
  16. #define DIVERT_CMD_REG 0x00 /* register command */
  17. #define DIVERT_CMD_REL 0x01 /* release command */
  18. #define DIVERT_NO_ERR 0x00 /* return value no error */
  19. #define DIVERT_CMD_ERR 0x01 /* invalid cmd */
  20. #define DIVERT_VER_ERR 0x02 /* magic/version invalid */
  21. #define DIVERT_REG_ERR 0x03 /* module already registered */
  22. #define DIVERT_REL_ERR 0x04 /* module not registered */
  23. #define DIVERT_REG_NAME isdn_register_divert
  24. /***************************************************************/
  25. /* structure exchanging data between isdn hl and divert module */
  26. /***************************************************************/
  27. typedef struct
  28. { ulong if_magic; /* magic info and version */
  29. int cmd; /* command */
  30. int (*stat_callback)(isdn_ctrl *); /* supplied by divert module when calling */
  31. int (*ll_cmd)(isdn_ctrl *); /* supplied by hl on return */
  32. char * (*drv_to_name)(int); /* map a driver id to name, supplied by hl */
  33. int (*name_to_drv)(char *); /* map a driver id to name, supplied by hl */
  34. } isdn_divert_if;
  35. /*********************/
  36. /* function register */
  37. /*********************/
  38. extern int DIVERT_REG_NAME(isdn_divert_if *);