WIRE_ATTRIBUTE(scl);
WIRE_ATTRIBUTE(sda);
-static int fops_incomplete_transfer_set(void *data, u64 addr)
+static void i2c_gpio_incomplete_transfer(struct i2c_gpio_private_data *priv,
+ u32 pattern, u8 pattern_size)
{
- struct i2c_gpio_private_data *priv = data;
struct i2c_algo_bit_data *bit_data = &priv->bit_data;
- int i, pattern;
-
- if (addr > 0x7f)
- return -EINVAL;
-
- /* ADDR (7 bit) + RD (1 bit) + SDA hi (1 bit) */
- pattern = (addr << 2) | 3;
+ int i;
- i2c_lock_adapter(&priv->adap);
+ i2c_lock_bus(&priv->adap, I2C_LOCK_ROOT_ADAPTER);
/* START condition */
setsda(bit_data, 0);
udelay(bit_data->udelay);
}
- i2c_unlock_adapter(&priv->adap);
+ i2c_unlock_bus(&priv->adap, I2C_LOCK_ROOT_ADAPTER);
+}
+
+static int fops_incomplete_addr_phase_set(void *data, u64 addr)
+{
+ struct i2c_gpio_private_data *priv = data;
+ u32 pattern;
+
+ if (addr > 0x7f)
+ return -EINVAL;
+
+ /* ADDR (7 bit) + RD (1 bit) + Client ACK, keep SDA hi (1 bit) */
+ pattern = (addr << 2) | 3;
+
+ i2c_gpio_incomplete_transfer(priv, pattern, 9);
+
+ return 0;
+}
+DEFINE_DEBUGFS_ATTRIBUTE(fops_incomplete_addr_phase, NULL, fops_incomplete_addr_phase_set, "%llu\n");
+
+static int fops_incomplete_write_byte_set(void *data, u64 addr)
+{
+ struct i2c_gpio_private_data *priv = data;
+ u32 pattern;
+
+ if (addr > 0x7f)
+ return -EINVAL;
+
+ /* ADDR (7 bit) + WR (1 bit) + Client ACK (1 bit) */
+ pattern = (addr << 2) | 1;
+ /* 0x00 (8 bit) + Client ACK, keep SDA hi (1 bit) */
+ pattern = (pattern << 9) | 1;
+
+ i2c_gpio_incomplete_transfer(priv, pattern, 18);
return 0;
}