isa_if.m 2.4 KB

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  1. #-
  2. # Copyright (c) 1999 Doug Rabson
  3. # All rights reserved.
  4. #
  5. # Redistribution and use in source and binary forms, with or without
  6. # modification, are permitted provided that the following conditions
  7. # are met:
  8. # 1. Redistributions of source code must retain the above copyright
  9. # notice, this list of conditions and the following disclaimer.
  10. # 2. Redistributions in binary form must reproduce the above copyright
  11. # notice, this list of conditions and the following disclaimer in the
  12. # documentation and/or other materials provided with the distribution.
  13. #
  14. # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15. # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16. # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17. # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18. # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19. # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20. # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21. # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22. # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23. # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24. # SUCH DAMAGE.
  25. #
  26. #
  27. #include <sys/bus.h>
  28. #include <isa/isavar.h>
  29. INTERFACE isa;
  30. #
  31. # Add a Plug-and-play configuration to the device. Configurations with
  32. # a lower priority are preferred.
  33. #
  34. METHOD int add_config {
  35. device_t dev;
  36. device_t child;
  37. int priority;
  38. struct isa_config *config;
  39. };
  40. #
  41. # Register a function which can be called to configure a device with
  42. # a given set of resources. The function will be called with a struct
  43. # isa_config representing the desired configuration and a flag to
  44. # state whether the device should be enabled.
  45. #
  46. METHOD void set_config_callback {
  47. device_t dev;
  48. device_t child;
  49. isa_config_cb *fn;
  50. void *arg;
  51. };
  52. #
  53. # A helper method for implementing probe methods for PnP compatible
  54. # drivers. The driver calls this method with a list of PnP ids and
  55. # descriptions and it returns zero if one of the ids matches or ENXIO
  56. # otherwise.
  57. #
  58. # If the device is not plug-and-play compatible, this method returns
  59. # ENOENT, allowing the caller to fall back to heuristic probing
  60. # techniques.
  61. #
  62. METHOD int pnp_probe {
  63. device_t dev;
  64. device_t child;
  65. struct isa_pnp_id *ids;
  66. };