i2c-isa.h 1.3 KB

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  1. /*
  2. * i2c-isa.h - definitions for the i2c-isa pseudo-i2c-adapter interface
  3. *
  4. * Copyright (C) 2005 Jean Delvare <khali@linux-fr.org>
  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. #ifndef _LINUX_I2C_ISA_H
  21. #define _LINUX_I2C_ISA_H
  22. #include <linux/i2c.h>
  23. extern int i2c_isa_add_driver(struct i2c_driver *driver);
  24. extern int i2c_isa_del_driver(struct i2c_driver *driver);
  25. /* Detect whether we are on the isa bus. This is only useful to hybrid
  26. (i2c+isa) drivers. */
  27. #define i2c_is_isa_adapter(adapptr) \
  28. ((adapptr)->id == I2C_HW_ISA)
  29. #define i2c_is_isa_client(clientptr) \
  30. i2c_is_isa_adapter((clientptr)->adapter)
  31. #endif /* _LINUX_I2C_ISA_H */