111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/****************************************************************************
211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************
311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***
411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   This header was automatically generated from a Linux kernel header
511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   of the same name, to make information necessary for userspace to
611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   call into the kernel available to libc.  It contains only constants,
711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   structures, and macros generated from the original header, and thus,
811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   contains no copyrightable information.
911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***
1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************
1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************/
1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef _LINUX_I2C_H
1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define _LINUX_I2C_H
1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/types.h>
1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct i2c_msg {
1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u16 addr;
1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u16 flags;
2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_M_TEN 0x10
2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_M_RD 0x01
2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_M_NOSTART 0x4000
2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_M_REV_DIR_ADDR 0x2000
2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_M_IGNORE_NAK 0x1000
2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_M_NO_RD_ACK 0x0800
2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u16 len;
2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u8 *buf;
2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert};
2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_I2C 0x00000001
3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_10BIT_ADDR 0x00000002
3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004
3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008
3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000
3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_QUICK 0x00010000
3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000
4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000
4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000
4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000
4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE |   I2C_FUNC_SMBUS_WRITE_BYTE)
5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA |   I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA |   I2C_FUNC_SMBUS_WRITE_WORD_DATA)
5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA |   I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK |   I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
5511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 |   I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2)
5611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
5711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK |   I2C_FUNC_SMBUS_BYTE |   I2C_FUNC_SMBUS_BYTE_DATA |   I2C_FUNC_SMBUS_WORD_DATA |   I2C_FUNC_SMBUS_PROC_CALL |   I2C_FUNC_SMBUS_WRITE_BLOCK_DATA |   I2C_FUNC_SMBUS_I2C_BLOCK)
5811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
5911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SMBUS_BLOCK_MAX 32
6011cd02dfb91661c65134cac258cf5924270e9d2Dan Albertunion i2c_smbus_data {
6111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u8 byte;
6211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u16 word;
6311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert __u8 block[I2C_SMBUS_BLOCK_MAX + 2];
6411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
6511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert};
6611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
6711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SMBUS_READ 1
6811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SMBUS_WRITE 0
6911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
7011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SMBUS_QUICK 0
7111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SMBUS_BYTE 1
7211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SMBUS_BYTE_DATA 2
7311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SMBUS_WORD_DATA 3
7411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SMBUS_PROC_CALL 4
7511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SMBUS_BLOCK_DATA 5
7611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SMBUS_I2C_BLOCK_DATA 6
7711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SMBUS_BLOCK_PROC_CALL 7
7811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
7911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_RETRIES 0x0701
8011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
8111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_TIMEOUT 0x0702
8211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
8311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SLAVE 0x0703
8411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
8511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SLAVE_FORCE 0x0706
8611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
8711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_TENBIT 0x0704
8811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
8911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_FUNCS 0x0705
9011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_RDWR 0x0707
9111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_PEC 0x0708
9211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
9311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define I2C_SMBUS 0x0720
9411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
9511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif
96