Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* ------------------------------------------------------------------------- */
-/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and
+/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and
Frodo Looijaard <frodol@dds.nl> */
#ifndef _LINUX_I2C_H
#define _LINUX_I2C_H
-#include <linux/module.h>
#include <linux/types.h>
+#ifdef __KERNEL__
+#include <linux/module.h>
#include <linux/i2c-id.h>
#include <linux/mod_devicetable.h>
#include <linux/device.h> /* for struct device */
*/
extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num);
-/*
- * Some adapter types (i.e. PCF 8584 based ones) may support slave behaviuor.
- * This is not tested/implemented yet and will change in the future.
- */
-extern int i2c_slave_send(struct i2c_client *,char*,int);
-extern int i2c_slave_recv(struct i2c_client *,char*,int);
-
-
/* This is the very generalized SMBus access routine. You probably do not
want to use this, though; one of the functions below may be much easier,
u8 command, u16 value);
extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
u8 command, u8 length,
- u8 *values);
+ const u8 *values);
/* Returns the number of read bytes */
extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
u8 command, u8 *values);
extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
u8 command, u8 length,
- u8 *values);
+ const u8 *values);
/*
* A driver is capable of handling one or more physical devices present on
to NULL. If an adapter algorithm can do SMBus access, set
smbus_xfer. If set to NULL, the SMBus protocol is simulated
using common I2C messages */
+ /* master_xfer should return the number of messages successfully
+ processed, or a negative value on error */
int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs,
int num);
int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,
unsigned short flags, char read_write,
u8 command, int size, union i2c_smbus_data * data);
- /* --- these optional/future use for some adapter types.*/
- int (*slave_send)(struct i2c_adapter *,char*,int);
- int (*slave_recv)(struct i2c_adapter *,char*,int);
-
/* --- ioctl like call to set div. parameters. */
int (*algo_control)(struct i2c_adapter *, unsigned int, unsigned long);
struct module *owner;
unsigned int id;
unsigned int class;
- struct i2c_algorithm *algo;/* the algorithm to access the bus */
+ const struct i2c_algorithm *algo; /* the algorithm to access the bus */
void *algo_data;
/* --- administration stuff. */
{
return adap->nr;
}
+#endif /* __KERNEL__ */
/*
* I2C Message - used for pure i2c transaction, also from /dev interface
#define I2C_SMBUS 0x0720 /* SMBus-level access */
/* ----- I2C-DEV: char device interface stuff ------------------------- */
+#ifdef __KERNEL__
#define I2C_MAJOR 89 /* Device major number */
force_##chip6, force_##chip7, \
force_##chip8, NULL }; \
I2C_CLIENT_INSMOD_COMMON
-
+#endif /* __KERNEL__ */
#endif /* _LINUX_I2C_H */