19 static void ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl);
20 static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl);
21 static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data);
22 static bool ixgbe_get_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl);
2232 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_i2c_start()  local
2234 	i2cctl |= IXGBE_I2C_BB_EN(hw);  in ixgbe_i2c_start()
2237 	ixgbe_set_i2c_data(hw, &i2cctl, 1);  in ixgbe_i2c_start()
2238 	ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_start()
2243 	ixgbe_set_i2c_data(hw, &i2cctl, 0);  in ixgbe_i2c_start()
2248 	ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_start()
2265 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_i2c_stop()  local
2271 	ixgbe_set_i2c_data(hw, &i2cctl, 0);  in ixgbe_i2c_stop()
2272 	ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_stop()
2277 	ixgbe_set_i2c_data(hw, &i2cctl, 1);  in ixgbe_i2c_stop()
2283 		i2cctl &= ~bb_en_bit;  in ixgbe_i2c_stop()
2284 		i2cctl |= data_oe_bit | clk_oe_bit;  in ixgbe_i2c_stop()
2285 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), i2cctl);  in ixgbe_i2c_stop()
2322 	u32 i2cctl;  in ixgbe_clock_out_i2c_byte()  local
2334 	i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_clock_out_i2c_byte()
2335 	i2cctl |= IXGBE_I2C_DATA_OUT(hw);  in ixgbe_clock_out_i2c_byte()
2336 	i2cctl |= IXGBE_I2C_DATA_OE_N_EN(hw);  in ixgbe_clock_out_i2c_byte()
2337 	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), i2cctl);  in ixgbe_clock_out_i2c_byte()
2354 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_get_i2c_ack()  local
2359 		i2cctl |= IXGBE_I2C_DATA_OUT(hw);  in ixgbe_get_i2c_ack()
2360 		i2cctl |= data_oe_bit;  in ixgbe_get_i2c_ack()
2361 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), i2cctl);  in ixgbe_get_i2c_ack()
2364 	ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_get_i2c_ack()
2372 		i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_get_i2c_ack()
2373 		ack = ixgbe_get_i2c_data(hw, &i2cctl);  in ixgbe_get_i2c_ack()
2385 	ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_get_i2c_ack()
2402 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_clock_in_i2c_bit()  local
2406 		i2cctl |= IXGBE_I2C_DATA_OUT(hw);  in ixgbe_clock_in_i2c_bit()
2407 		i2cctl |= data_oe_bit;  in ixgbe_clock_in_i2c_bit()
2408 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), i2cctl);  in ixgbe_clock_in_i2c_bit()
2411 	ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_clock_in_i2c_bit()
2416 	i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_clock_in_i2c_bit()
2417 	*data = ixgbe_get_i2c_data(hw, &i2cctl);  in ixgbe_clock_in_i2c_bit()
2419 	ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_clock_in_i2c_bit()
2437 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_clock_out_i2c_bit()  local
2439 	status = ixgbe_set_i2c_data(hw, &i2cctl, data);  in ixgbe_clock_out_i2c_bit()
2441 		ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_clock_out_i2c_bit()
2446 		ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_clock_out_i2c_bit()
2467 static void ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl)  in ixgbe_raise_i2c_clk()  argument
2475 		*i2cctl |= clk_oe_bit;  in ixgbe_raise_i2c_clk()
2476 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_raise_i2c_clk()
2480 		*i2cctl |= IXGBE_I2C_CLK_OUT(hw);  in ixgbe_raise_i2c_clk()
2481 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_raise_i2c_clk()
2500 static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl)  in ixgbe_lower_i2c_clk()  argument
2503 	*i2cctl &= ~IXGBE_I2C_CLK_OUT(hw);  in ixgbe_lower_i2c_clk()
2504 	*i2cctl &= ~IXGBE_I2C_CLK_OE_N_EN(hw);  in ixgbe_lower_i2c_clk()
2506 	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_lower_i2c_clk()
2522 static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data)  in ixgbe_set_i2c_data()  argument
2527 		*i2cctl |= IXGBE_I2C_DATA_OUT(hw);  in ixgbe_set_i2c_data()
2529 		*i2cctl &= ~IXGBE_I2C_DATA_OUT(hw);  in ixgbe_set_i2c_data()
2530 	*i2cctl &= ~data_oe_bit;  in ixgbe_set_i2c_data()
2532 	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_set_i2c_data()
2541 		*i2cctl |= data_oe_bit;  in ixgbe_set_i2c_data()
2542 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_set_i2c_data()
2547 	*i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_set_i2c_data()
2548 	if (data != ixgbe_get_i2c_data(hw, i2cctl)) {  in ixgbe_set_i2c_data()
2564 static bool ixgbe_get_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl)  in ixgbe_get_i2c_data()  argument
2569 		*i2cctl |= data_oe_bit;  in ixgbe_get_i2c_data()
2570 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_get_i2c_data()
2575 	if (*i2cctl & IXGBE_I2C_DATA_IN(hw))  in ixgbe_get_i2c_data()
2589 	u32 i2cctl;  in ixgbe_i2c_bus_clear()  local
2593 	i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_i2c_bus_clear()
2595 	ixgbe_set_i2c_data(hw, &i2cctl, 1);  in ixgbe_i2c_bus_clear()
2598 		ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_bus_clear()
2603 		ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_bus_clear()