include/linux/i2c-isa.h

   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
  21 #ifndef _LINUX_I2C_ISA_H
  22 #define _LINUX_I2C_ISA_H
  23
  24 #include <linux/i2c.h>
  25
  26 extern int i2c_isa_add_driver(struct i2c_driver *driver);
  27 extern int i2c_isa_del_driver(struct i2c_driver *driver);
  28
  29 /* Detect whether we are on the isa bus. This is only useful to hybrid
  30    (i2c+isa) drivers. */
  31 #define i2c_is_isa_adapter(adapptr) \
  32         ((adapptr)->id == I2C_HW_ISA)
  33 #define i2c_is_isa_client(clientptr) \
  34         i2c_is_isa_adapter((clientptr)->adapter)
  35
  36 #endif /* _LINUX_I2C_ISA_H */