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);
2235 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_i2c_start()  local
2237 	i2cctl |= IXGBE_I2C_BB_EN(hw);  in ixgbe_i2c_start()
2240 	ixgbe_set_i2c_data(hw, &i2cctl, 1);  in ixgbe_i2c_start()
2241 	ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_start()
2246 	ixgbe_set_i2c_data(hw, &i2cctl, 0);  in ixgbe_i2c_start()
2251 	ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_start()
2268 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_i2c_stop()  local
2274 	ixgbe_set_i2c_data(hw, &i2cctl, 0);  in ixgbe_i2c_stop()
2275 	ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_stop()
2280 	ixgbe_set_i2c_data(hw, &i2cctl, 1);  in ixgbe_i2c_stop()
2286 		i2cctl &= ~bb_en_bit;  in ixgbe_i2c_stop()
2287 		i2cctl |= data_oe_bit | clk_oe_bit;  in ixgbe_i2c_stop()
2288 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), i2cctl);  in ixgbe_i2c_stop()
2325 	u32 i2cctl;  in ixgbe_clock_out_i2c_byte()  local
2337 	i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_clock_out_i2c_byte()
2338 	i2cctl |= IXGBE_I2C_DATA_OUT(hw);  in ixgbe_clock_out_i2c_byte()
2339 	i2cctl |= IXGBE_I2C_DATA_OE_N_EN(hw);  in ixgbe_clock_out_i2c_byte()
2340 	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), i2cctl);  in ixgbe_clock_out_i2c_byte()
2357 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_get_i2c_ack()  local
2362 		i2cctl |= IXGBE_I2C_DATA_OUT(hw);  in ixgbe_get_i2c_ack()
2363 		i2cctl |= data_oe_bit;  in ixgbe_get_i2c_ack()
2364 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), i2cctl);  in ixgbe_get_i2c_ack()
2367 	ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_get_i2c_ack()
2375 		i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_get_i2c_ack()
2376 		ack = ixgbe_get_i2c_data(hw, &i2cctl);  in ixgbe_get_i2c_ack()
2388 	ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_get_i2c_ack()
2405 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_clock_in_i2c_bit()  local
2409 		i2cctl |= IXGBE_I2C_DATA_OUT(hw);  in ixgbe_clock_in_i2c_bit()
2410 		i2cctl |= data_oe_bit;  in ixgbe_clock_in_i2c_bit()
2411 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), i2cctl);  in ixgbe_clock_in_i2c_bit()
2414 	ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_clock_in_i2c_bit()
2419 	i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_clock_in_i2c_bit()
2420 	*data = ixgbe_get_i2c_data(hw, &i2cctl);  in ixgbe_clock_in_i2c_bit()
2422 	ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_clock_in_i2c_bit()
2440 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_clock_out_i2c_bit()  local
2442 	status = ixgbe_set_i2c_data(hw, &i2cctl, data);  in ixgbe_clock_out_i2c_bit()
2444 		ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_clock_out_i2c_bit()
2449 		ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_clock_out_i2c_bit()
2470 static void ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl)  in ixgbe_raise_i2c_clk()  argument
2478 		*i2cctl |= clk_oe_bit;  in ixgbe_raise_i2c_clk()
2479 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_raise_i2c_clk()
2483 		*i2cctl |= IXGBE_I2C_CLK_OUT(hw);  in ixgbe_raise_i2c_clk()
2484 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_raise_i2c_clk()
2503 static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl)  in ixgbe_lower_i2c_clk()  argument
2506 	*i2cctl &= ~IXGBE_I2C_CLK_OUT(hw);  in ixgbe_lower_i2c_clk()
2507 	*i2cctl &= ~IXGBE_I2C_CLK_OE_N_EN(hw);  in ixgbe_lower_i2c_clk()
2509 	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_lower_i2c_clk()
2525 static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data)  in ixgbe_set_i2c_data()  argument
2530 		*i2cctl |= IXGBE_I2C_DATA_OUT(hw);  in ixgbe_set_i2c_data()
2532 		*i2cctl &= ~IXGBE_I2C_DATA_OUT(hw);  in ixgbe_set_i2c_data()
2533 	*i2cctl &= ~data_oe_bit;  in ixgbe_set_i2c_data()
2535 	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_set_i2c_data()
2544 		*i2cctl |= data_oe_bit;  in ixgbe_set_i2c_data()
2545 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_set_i2c_data()
2550 	*i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_set_i2c_data()
2551 	if (data != ixgbe_get_i2c_data(hw, i2cctl)) {  in ixgbe_set_i2c_data()
2567 static bool ixgbe_get_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl)  in ixgbe_get_i2c_data()  argument
2572 		*i2cctl |= data_oe_bit;  in ixgbe_get_i2c_data()
2573 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_get_i2c_data()
2578 	if (*i2cctl & IXGBE_I2C_DATA_IN(hw))  in ixgbe_get_i2c_data()
2592 	u32 i2cctl;  in ixgbe_i2c_bus_clear()  local
2596 	i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_i2c_bus_clear()
2598 	ixgbe_set_i2c_data(hw, &i2cctl, 1);  in ixgbe_i2c_bus_clear()
2601 		ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_bus_clear()
2606 		ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_bus_clear()