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dm: i2c: Move definitions to the top of the header file

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Move the flags and struct definitions higher in the file so that we can
reference them with functions declared in the driver model section.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Simon Glass 2015-07-02 18:15:41 -06:00
parent 25a0fb4385
commit 7fc65bcf8a
1 changed files with 43 additions and 43 deletions
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86
include/i2c.h
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@ -74,6 +74,49 @@ struct dm_i2c_bus {
int speed_hz;
};
/*
* Not all of these flags are implemented in the U-Boot API
*/
enum dm_i2c_msg_flags {
I2C_M_TEN = 0x0010, /* ten-bit chip address */
I2C_M_RD = 0x0001, /* read data, from slave to master */
I2C_M_STOP = 0x8000, /* send stop after this message */
I2C_M_NOSTART = 0x4000, /* no start before this message */
I2C_M_REV_DIR_ADDR = 0x2000, /* invert polarity of R/W bit */
I2C_M_IGNORE_NAK = 0x1000, /* continue after NAK */
I2C_M_NO_RD_ACK = 0x0800, /* skip the Ack bit on reads */
I2C_M_RECV_LEN = 0x0400, /* length is first received byte */
};
/**
* struct i2c_msg - an I2C message
*
* @addr: Slave address
* @flags: Flags (see enum dm_i2c_msg_flags)
* @len: Length of buffer in bytes, may be 0 for a probe
* @buf: Buffer to send/receive, or NULL if no data
*/
struct i2c_msg {
uint addr;
uint flags;
uint len;
u8 *buf;
};
/**
* struct i2c_msg_list - a list of I2C messages
*
* This is called i2c_rdwr_ioctl_data in Linux but the name does not seem
* appropriate in U-Boot.
*
* @msg: Pointer to i2c_msg array
* @nmsgs: Number of elements in the array
*/
struct i2c_msg_list {
struct i2c_msg *msgs;
uint nmsgs;
};
/**
* dm_i2c_read() - read bytes from an I2C chip
*
@ -294,49 +337,6 @@ void i2c_reg_write(uint8_t addr, uint8_t reg, uint8_t val);
#endif
/*
* Not all of these flags are implemented in the U-Boot API
*/
enum dm_i2c_msg_flags {
I2C_M_TEN = 0x0010, /* ten-bit chip address */
I2C_M_RD = 0x0001, /* read data, from slave to master */
I2C_M_STOP = 0x8000, /* send stop after this message */
I2C_M_NOSTART = 0x4000, /* no start before this message */
I2C_M_REV_DIR_ADDR = 0x2000, /* invert polarity of R/W bit */
I2C_M_IGNORE_NAK = 0x1000, /* continue after NAK */
I2C_M_NO_RD_ACK = 0x0800, /* skip the Ack bit on reads */
I2C_M_RECV_LEN = 0x0400, /* length is first received byte */
};
/**
* struct i2c_msg - an I2C message
*
* @addr: Slave address
* @flags: Flags (see enum dm_i2c_msg_flags)
* @len: Length of buffer in bytes, may be 0 for a probe
* @buf: Buffer to send/receive, or NULL if no data
*/
struct i2c_msg {
uint addr;
uint flags;
uint len;
u8 *buf;
};
/**
* struct i2c_msg_list - a list of I2C messages
*
* This is called i2c_rdwr_ioctl_data in Linux but the name does not seem
* appropriate in U-Boot.
*
* @msg: Pointer to i2c_msg array
* @nmsgs: Number of elements in the array
*/
struct i2c_msg_list {
struct i2c_msg *msgs;
uint nmsgs;
};
/**
* struct dm_i2c_ops - driver operations for I2C uclass
*