diff options
Diffstat (limited to 'include/linux/i2c-dev.h')
| -rw-r--r-- | include/linux/i2c-dev.h | 49 |
1 files changed, 1 insertions, 48 deletions
diff --git a/include/linux/i2c-dev.h b/include/linux/i2c-dev.h index 8a7406b2114d..79727144c5cd 100644 --- a/include/linux/i2c-dev.h +++ b/include/linux/i2c-dev.h | |||
| @@ -19,57 +19,10 @@ | |||
| 19 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | 19 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
| 20 | MA 02110-1301 USA. | 20 | MA 02110-1301 USA. |
| 21 | */ | 21 | */ |
| 22 | |||
| 23 | #ifndef _LINUX_I2C_DEV_H | 22 | #ifndef _LINUX_I2C_DEV_H |
| 24 | #define _LINUX_I2C_DEV_H | 23 | #define _LINUX_I2C_DEV_H |
| 25 | 24 | ||
| 26 | #include <linux/types.h> | 25 | #include <uapi/linux/i2c-dev.h> |
| 27 | #include <linux/compiler.h> | ||
| 28 | |||
| 29 | /* /dev/i2c-X ioctl commands. The ioctl's parameter is always an | ||
| 30 | * unsigned long, except for: | ||
| 31 | * - I2C_FUNCS, takes pointer to an unsigned long | ||
| 32 | * - I2C_RDWR, takes pointer to struct i2c_rdwr_ioctl_data | ||
| 33 | * - I2C_SMBUS, takes pointer to struct i2c_smbus_ioctl_data | ||
| 34 | */ | ||
| 35 | #define I2C_RETRIES 0x0701 /* number of times a device address should | ||
| 36 | be polled when not acknowledging */ | ||
| 37 | #define I2C_TIMEOUT 0x0702 /* set timeout in units of 10 ms */ | ||
| 38 | |||
| 39 | /* NOTE: Slave address is 7 or 10 bits, but 10-bit addresses | ||
| 40 | * are NOT supported! (due to code brokenness) | ||
| 41 | */ | ||
| 42 | #define I2C_SLAVE 0x0703 /* Use this slave address */ | ||
| 43 | #define I2C_SLAVE_FORCE 0x0706 /* Use this slave address, even if it | ||
| 44 | is already in use by a driver! */ | ||
| 45 | #define I2C_TENBIT 0x0704 /* 0 for 7 bit addrs, != 0 for 10 bit */ | ||
| 46 | |||
| 47 | #define I2C_FUNCS 0x0705 /* Get the adapter functionality mask */ | ||
| 48 | |||
| 49 | #define I2C_RDWR 0x0707 /* Combined R/W transfer (one STOP only) */ | ||
| 50 | |||
| 51 | #define I2C_PEC 0x0708 /* != 0 to use PEC with SMBus */ | ||
| 52 | #define I2C_SMBUS 0x0720 /* SMBus transfer */ | ||
| 53 | 26 | ||
| 54 | |||
| 55 | /* This is the structure as used in the I2C_SMBUS ioctl call */ | ||
| 56 | struct i2c_smbus_ioctl_data { | ||
| 57 | __u8 read_write; | ||
| 58 | __u8 command; | ||
| 59 | __u32 size; | ||
| 60 | union i2c_smbus_data __user *data; | ||
| 61 | }; | ||
| 62 | |||
| 63 | /* This is the structure as used in the I2C_RDWR ioctl call */ | ||
| 64 | struct i2c_rdwr_ioctl_data { | ||
| 65 | struct i2c_msg __user *msgs; /* pointers to i2c_msgs */ | ||
| 66 | __u32 nmsgs; /* number of i2c_msgs */ | ||
| 67 | }; | ||
| 68 | |||
| 69 | #define I2C_RDRW_IOCTL_MAX_MSGS 42 | ||
| 70 | |||
| 71 | #ifdef __KERNEL__ | ||
| 72 | #define I2C_MAJOR 89 /* Device major number */ | 27 | #define I2C_MAJOR 89 /* Device major number */ |
| 73 | #endif | ||
| 74 | |||
| 75 | #endif /* _LINUX_I2C_DEV_H */ | 28 | #endif /* _LINUX_I2C_DEV_H */ |
