diff options
Diffstat (limited to 'include/linux/i2c-isa.h')
| -rw-r--r-- | include/linux/i2c-isa.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/i2c-isa.h b/include/linux/i2c-isa.h new file mode 100644 index 000000000000..67e3598c4cec --- /dev/null +++ b/include/linux/i2c-isa.h @@ -0,0 +1,36 @@ +/* + * i2c-isa.h - definitions for the i2c-isa pseudo-i2c-adapter interface + * + * Copyright (C) 2005 Jean Delvare <khali@linux-fr.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _LINUX_I2C_ISA_H +#define _LINUX_I2C_ISA_H + +#include <linux/i2c.h> + +extern int i2c_isa_add_driver(struct i2c_driver *driver); +extern int i2c_isa_del_driver(struct i2c_driver *driver); + +/* Detect whether we are on the isa bus. This is only useful to hybrid + (i2c+isa) drivers. */ +#define i2c_is_isa_adapter(adapptr) \ + ((adapptr)->id == I2C_HW_ISA) +#define i2c_is_isa_client(clientptr) \ + i2c_is_isa_adapter((clientptr)->adapter) + +#endif /* _LINUX_I2C_ISA_H */ |