#include <linux/err.h>
#include <linux/delay.h>
-#define MV64XXX_I2C_ADDR_ADDR(val) ((val & 0x7f) << 1)
#define MV64XXX_I2C_BAUD_DIV_N(val) (val & 0x7)
#define MV64XXX_I2C_BAUD_DIV_M(val) ((val & 0xf) << 3)
mv64xxx_i2c_prepare_for_io(struct mv64xxx_i2c_data *drv_data,
struct i2c_msg *msg)
{
- u32 dir = 0;
-
drv_data->cntl_bits = MV64XXX_I2C_REG_CONTROL_ACK |
MV64XXX_I2C_REG_CONTROL_TWSIEN;
if (!drv_data->atomic)
drv_data->cntl_bits |= MV64XXX_I2C_REG_CONTROL_INTEN;
- if (msg->flags & I2C_M_RD)
- dir = 1;
-
if (msg->flags & I2C_M_TEN) {
- drv_data->addr1 = 0xf0 | (((u32)msg->addr & 0x300) >> 7) | dir;
- drv_data->addr2 = (u32)msg->addr & 0xff;
+ drv_data->addr1 = i2c_10bit_addr_hi_from_msg(msg);
+ drv_data->addr2 = i2c_10bit_addr_lo_from_msg(msg);
} else {
- drv_data->addr1 = MV64XXX_I2C_ADDR_ADDR((u32)msg->addr) | dir;
+ drv_data->addr1 = i2c_8bit_addr_from_msg(msg);
drv_data->addr2 = 0;
}
}