43 static void ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl);
44 static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl);
45 static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data);
46 static bool ixgbe_get_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl);
1977 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_i2c_start()  local
1979 	i2cctl |= IXGBE_I2C_BB_EN(hw);  in ixgbe_i2c_start()
1982 	ixgbe_set_i2c_data(hw, &i2cctl, 1);  in ixgbe_i2c_start()
1983 	ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_start()
1988 	ixgbe_set_i2c_data(hw, &i2cctl, 0);  in ixgbe_i2c_start()
1993 	ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_start()
2010 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_i2c_stop()  local
2016 	ixgbe_set_i2c_data(hw, &i2cctl, 0);  in ixgbe_i2c_stop()
2017 	ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_stop()
2022 	ixgbe_set_i2c_data(hw, &i2cctl, 1);  in ixgbe_i2c_stop()
2028 		i2cctl &= ~bb_en_bit;  in ixgbe_i2c_stop()
2029 		i2cctl |= data_oe_bit | clk_oe_bit;  in ixgbe_i2c_stop()
2030 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), i2cctl);  in ixgbe_i2c_stop()
2067 	u32 i2cctl;  in ixgbe_clock_out_i2c_byte()  local
2079 	i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_clock_out_i2c_byte()
2080 	i2cctl |= IXGBE_I2C_DATA_OUT(hw);  in ixgbe_clock_out_i2c_byte()
2081 	i2cctl |= IXGBE_I2C_DATA_OE_N_EN(hw);  in ixgbe_clock_out_i2c_byte()
2082 	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), i2cctl);  in ixgbe_clock_out_i2c_byte()
2099 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_get_i2c_ack()  local
2104 		i2cctl |= IXGBE_I2C_DATA_OUT(hw);  in ixgbe_get_i2c_ack()
2105 		i2cctl |= data_oe_bit;  in ixgbe_get_i2c_ack()
2106 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), i2cctl);  in ixgbe_get_i2c_ack()
2109 	ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_get_i2c_ack()
2117 		i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_get_i2c_ack()
2118 		ack = ixgbe_get_i2c_data(hw, &i2cctl);  in ixgbe_get_i2c_ack()
2130 	ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_get_i2c_ack()
2147 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_clock_in_i2c_bit()  local
2151 		i2cctl |= IXGBE_I2C_DATA_OUT(hw);  in ixgbe_clock_in_i2c_bit()
2152 		i2cctl |= data_oe_bit;  in ixgbe_clock_in_i2c_bit()
2153 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), i2cctl);  in ixgbe_clock_in_i2c_bit()
2156 	ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_clock_in_i2c_bit()
2161 	i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_clock_in_i2c_bit()
2162 	*data = ixgbe_get_i2c_data(hw, &i2cctl);  in ixgbe_clock_in_i2c_bit()
2164 	ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_clock_in_i2c_bit()
2182 	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_clock_out_i2c_bit()  local
2184 	status = ixgbe_set_i2c_data(hw, &i2cctl, data);  in ixgbe_clock_out_i2c_bit()
2186 		ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_clock_out_i2c_bit()
2191 		ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_clock_out_i2c_bit()
2212 static void ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl)  in ixgbe_raise_i2c_clk()  argument
2220 		*i2cctl |= clk_oe_bit;  in ixgbe_raise_i2c_clk()
2221 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_raise_i2c_clk()
2225 		*i2cctl |= IXGBE_I2C_CLK_OUT(hw);  in ixgbe_raise_i2c_clk()
2226 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_raise_i2c_clk()
2245 static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl)  in ixgbe_lower_i2c_clk()  argument
2248 	*i2cctl &= ~IXGBE_I2C_CLK_OUT(hw);  in ixgbe_lower_i2c_clk()
2249 	*i2cctl &= ~IXGBE_I2C_CLK_OE_N_EN(hw);  in ixgbe_lower_i2c_clk()
2251 	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_lower_i2c_clk()
2267 static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data)  in ixgbe_set_i2c_data()  argument
2272 		*i2cctl |= IXGBE_I2C_DATA_OUT(hw);  in ixgbe_set_i2c_data()
2274 		*i2cctl &= ~IXGBE_I2C_DATA_OUT(hw);  in ixgbe_set_i2c_data()
2275 	*i2cctl &= ~data_oe_bit;  in ixgbe_set_i2c_data()
2277 	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_set_i2c_data()
2286 		*i2cctl |= data_oe_bit;  in ixgbe_set_i2c_data()
2287 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_set_i2c_data()
2292 	*i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_set_i2c_data()
2293 	if (data != ixgbe_get_i2c_data(hw, i2cctl)) {  in ixgbe_set_i2c_data()
2309 static bool ixgbe_get_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl)  in ixgbe_get_i2c_data()  argument
2314 		*i2cctl |= data_oe_bit;  in ixgbe_get_i2c_data()
2315 		IXGBE_WRITE_REG(hw, IXGBE_I2CCTL(hw), *i2cctl);  in ixgbe_get_i2c_data()
2320 	if (*i2cctl & IXGBE_I2C_DATA_IN(hw))  in ixgbe_get_i2c_data()
2334 	u32 i2cctl;  in ixgbe_i2c_bus_clear()  local
2338 	i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));  in ixgbe_i2c_bus_clear()
2340 	ixgbe_set_i2c_data(hw, &i2cctl, 1);  in ixgbe_i2c_bus_clear()
2343 		ixgbe_raise_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_bus_clear()
2348 		ixgbe_lower_i2c_clk(hw, &i2cctl);  in ixgbe_i2c_bus_clear()