diff options
author | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-02-16 08:08:54 +0000 |
---|---|---|
committer | kaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-02-16 08:08:54 +0000 |
commit | 9c0a1f19567ec664d3a5ae1ef4d0a0366820b6a1 (patch) | |
tree | 358738e39f003acaa401bb65daaf10375caf123d /target/linux/etrax/files-2.6.30/arch/cris/arch-v10/drivers/etraxi2c.h | |
parent | 798752295839439d4b5607eb2f52db7e16759d30 (diff) |
[etrax]: ...and probably claudio forgot to rename this directory, too :)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19655 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/etrax/files-2.6.30/arch/cris/arch-v10/drivers/etraxi2c.h')
-rw-r--r-- | target/linux/etrax/files-2.6.30/arch/cris/arch-v10/drivers/etraxi2c.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/target/linux/etrax/files-2.6.30/arch/cris/arch-v10/drivers/etraxi2c.h b/target/linux/etrax/files-2.6.30/arch/cris/arch-v10/drivers/etraxi2c.h deleted file mode 100644 index 4235086d5..000000000 --- a/target/linux/etrax/files-2.6.30/arch/cris/arch-v10/drivers/etraxi2c.h +++ /dev/null @@ -1,49 +0,0 @@ -#ifndef _LINUX_ETRAXI2C_H
-#define _LINUX_ETRAXI2C_H
-
-/* etraxi2c _IOC_TYPE, bits 8 to 15 in ioctl cmd */
-
-#define ETRAXI2C_IOCTYPE 44
-
-/* supported ioctl _IOC_NR's */
-
-/* in write operations, the argument contains both i2c
- * slave, register and value.
- */
-
-#define I2C_WRITEARG(slave, reg, value) (((slave) << 16) | ((reg) << 8) | (value))
-#define I2C_READARG(slave, reg) (((slave) << 16) | ((reg) << 8))
-
-#define I2C_ARGSLAVE(arg) ((arg) >> 16)
-#define I2C_ARGREG(arg) (((arg) >> 8) & 0xff)
-#define I2C_ARGVALUE(arg) ((arg) & 0xff)
-
-#define I2C_WRITEREG 0x1 /* write to an I2C register */
-#define I2C_READREG 0x2 /* read from an I2C register */
-
-/*
-EXAMPLE usage:
-
- i2c_arg = I2C_WRITEARG(STA013_WRITE_ADDR, reg, val);
- ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_WRITEREG), i2c_arg);
-
- i2c_arg = I2C_READARG(STA013_READ_ADDR, reg);
- val = ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_READREG), i2c_arg);
-
-*/
-
-/* Extended part */
-#define I2C_READ 0x4 /* reads from I2C device */
-#define I2C_WRITE 0x3 /* writes to I2C device */
-#define I2C_WRITEREAD 0x5 /* writes to I2C device where to start reading */
-
-typedef struct _I2C_DATA
-{
- unsigned char slave; /* I2C address (8-bit representation) of slave device */
- unsigned char wbuf[256]; /* Write buffer (length = 256 bytes) */
- unsigned int wlen; /* Number of bytes to write from wbuf[] */
- unsigned char rbuf[256]; /* Read buffer (length = 256 bytes) */
- unsigned int rlen; /* Number of bytes to read into rbuf[] */
-} I2C_DATA;
-
-#endif
|