177 	u32 ctrl_ext;  in igb_init_phy_params_82575()  local
187 	ctrl_ext = rd32(E1000_CTRL_EXT);  in igb_init_phy_params_82575()
191 		ctrl_ext |= E1000_CTRL_I2C_ENA;  in igb_init_phy_params_82575()
194 		ctrl_ext &= ~E1000_CTRL_I2C_ENA;  in igb_init_phy_params_82575()
197 	wr32(E1000_CTRL_EXT, ctrl_ext);  in igb_init_phy_params_82575()
477 	u32 ctrl_ext = 0;  in igb_set_sfp_media_type_82575()  local
484 	ctrl_ext = rd32(E1000_CTRL_EXT);  in igb_set_sfp_media_type_82575()
485 	ctrl_ext &= ~E1000_CTRL_EXT_SDP3_DATA;  in igb_set_sfp_media_type_82575()
486 	wr32(E1000_CTRL_EXT, ctrl_ext | E1000_CTRL_I2C_ENA);  in igb_set_sfp_media_type_82575()
532 	wr32(E1000_CTRL_EXT, ctrl_ext);  in igb_set_sfp_media_type_82575()
541 	u32 ctrl_ext = 0;  in igb_get_invariants_82575()  local
609 	ctrl_ext = rd32(E1000_CTRL_EXT);  in igb_get_invariants_82575()
611 	link_mode = ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK;  in igb_get_invariants_82575()
647 		ctrl_ext &= ~E1000_CTRL_EXT_LINK_MODE_MASK;  in igb_get_invariants_82575()
650 			ctrl_ext |= E1000_CTRL_EXT_LINK_MODE_SGMII;  in igb_get_invariants_82575()
652 			ctrl_ext |= E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;  in igb_get_invariants_82575()
654 		wr32(E1000_CTRL_EXT, ctrl_ext);  in igb_get_invariants_82575()
814 	u32 ctrl_ext;  in igb_get_phy_id_82575()  local
859 	ctrl_ext = rd32(E1000_CTRL_EXT);  in igb_get_phy_id_82575()
860 	wr32(E1000_CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_SDP3_DATA);  in igb_get_phy_id_82575()
892 	wr32(E1000_CTRL_EXT, ctrl_ext);  in igb_get_phy_id_82575()
1640 	u32 ctrl_ext, ctrl_reg, reg, anadv_reg;  in igb_setup_serdes_link_82575()  local
1658 	ctrl_ext = rd32(E1000_CTRL_EXT);  in igb_setup_serdes_link_82575()
1659 	ctrl_ext &= ~E1000_CTRL_EXT_SDP3_DATA;  in igb_setup_serdes_link_82575()
1660 	ctrl_ext |= E1000_CTRL_I2C_ENA;  in igb_setup_serdes_link_82575()
1661 	wr32(E1000_CTRL_EXT, ctrl_ext);  in igb_setup_serdes_link_82575()
1681 	switch (ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK) {  in igb_setup_serdes_link_82575()