1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2007 - 2018 Intel Corporation. */
31  *  igb_check_reset_block - Check if PHY reset is blocked
48  *  igb_get_phy_id - Retrieve the PHY ID and revision
56 	struct e1000_phy_info *phy = &hw->phy;  in igb_get_phy_id()
61 	if ((hw->mac.type == e1000_i210) || (hw->mac.type == e1000_i211))  in igb_get_phy_id()
62 		phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0);  in igb_get_phy_id()
64 	ret_val = phy->ops.read_reg(hw, PHY_ID1, &phy_id);  in igb_get_phy_id()
68 	phy->id = (u32)(phy_id << 16);  in igb_get_phy_id()
70 	ret_val = phy->ops.read_reg(hw, PHY_ID2, &phy_id);  in igb_get_phy_id()
74 	phy->id |= (u32)(phy_id & PHY_REVISION_MASK);  in igb_get_phy_id()
75 	phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK);  in igb_get_phy_id()
82  *  igb_phy_reset_dsp - Reset PHY DSP
91 	if (!(hw->phy.ops.write_reg))  in igb_phy_reset_dsp()
94 	ret_val = hw->phy.ops.write_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xC1);  in igb_phy_reset_dsp()
98 	ret_val = hw->phy.ops.write_reg(hw, M88E1000_PHY_GEN_CONTROL, 0);  in igb_phy_reset_dsp()
105  *  igb_read_phy_reg_mdic - Read MDI control register
115 	struct e1000_phy_info *phy = &hw->phy;  in igb_read_phy_reg_mdic()
121 		ret_val = -E1000_ERR_PARAM;  in igb_read_phy_reg_mdic()
125 	/* Set up Op-code, Phy Address, and register offset in the MDI  in igb_read_phy_reg_mdic()
130 		(phy->addr << E1000_MDIC_PHY_SHIFT) |  in igb_read_phy_reg_mdic()
135 	/* Poll the ready bit to see if the MDI read completed  in igb_read_phy_reg_mdic()
147 		ret_val = -E1000_ERR_PHY;  in igb_read_phy_reg_mdic()
152 		ret_val = -E1000_ERR_PHY;  in igb_read_phy_reg_mdic()
162  *  igb_write_phy_reg_mdic - Write MDI control register
171 	struct e1000_phy_info *phy = &hw->phy;  in igb_write_phy_reg_mdic()
177 		ret_val = -E1000_ERR_PARAM;  in igb_write_phy_reg_mdic()
181 	/* Set up Op-code, Phy Address, and register offset in the MDI  in igb_write_phy_reg_mdic()
187 		(phy->addr << E1000_MDIC_PHY_SHIFT) |  in igb_write_phy_reg_mdic()
192 	/* Poll the ready bit to see if the MDI read completed  in igb_write_phy_reg_mdic()
204 		ret_val = -E1000_ERR_PHY;  in igb_write_phy_reg_mdic()
209 		ret_val = -E1000_ERR_PHY;  in igb_write_phy_reg_mdic()
218  *  igb_read_phy_reg_i2c - Read PHY register using i2c
228 	struct e1000_phy_info *phy = &hw->phy;  in igb_read_phy_reg_i2c()
231 	/* Set up Op-code, Phy Address, and register address in the I2CCMD  in igb_read_phy_reg_i2c()
236 		  (phy->addr << E1000_I2CCMD_PHY_ADDR_SHIFT) |  in igb_read_phy_reg_i2c()
241 	/* Poll the ready bit to see if the I2C read completed */  in igb_read_phy_reg_i2c()
250 		return -E1000_ERR_PHY;  in igb_read_phy_reg_i2c()
254 		return -E1000_ERR_PHY;  in igb_read_phy_reg_i2c()
257 	/* Need to byte-swap the 16-bit value. */  in igb_read_phy_reg_i2c()
264  *  igb_write_phy_reg_i2c - Write PHY register using i2c
273 	struct e1000_phy_info *phy = &hw->phy;  in igb_write_phy_reg_i2c()
278 	if ((hw->phy.addr == 0) || (hw->phy.addr > 7)) {  in igb_write_phy_reg_i2c()
280 			  hw->phy.addr);  in igb_write_phy_reg_i2c()
281 		return -E1000_ERR_CONFIG;  in igb_write_phy_reg_i2c()
287 	/* Set up Op-code, Phy Address, and register address in the I2CCMD  in igb_write_phy_reg_i2c()
292 		  (phy->addr << E1000_I2CCMD_PHY_ADDR_SHIFT) |  in igb_write_phy_reg_i2c()
298 	/* Poll the ready bit to see if the I2C read completed */  in igb_write_phy_reg_i2c()
307 		return -E1000_ERR_PHY;  in igb_write_phy_reg_i2c()
311 		return -E1000_ERR_PHY;  in igb_write_phy_reg_i2c()
318  *  igb_read_sfp_data_byte - Reads SFP module data.
338 		return -E1000_ERR_PHY;  in igb_read_sfp_data_byte()
341 	/* Set up Op-code, EEPROM Address,in the I2CCMD  in igb_read_sfp_data_byte()
350 	/* Poll the ready bit to see if the I2C read completed */  in igb_read_sfp_data_byte()
359 		return -E1000_ERR_PHY;  in igb_read_sfp_data_byte()
363 		return -E1000_ERR_PHY;  in igb_read_sfp_data_byte()
371  *  igb_read_phy_reg_igp - Read igp PHY register
384 	if (!(hw->phy.ops.acquire))  in igb_read_phy_reg_igp()
387 	ret_val = hw->phy.ops.acquire(hw);  in igb_read_phy_reg_igp()
396 			hw->phy.ops.release(hw);  in igb_read_phy_reg_igp()
404 	hw->phy.ops.release(hw);  in igb_read_phy_reg_igp()
411  *  igb_write_phy_reg_igp - Write igp PHY register
423 	if (!(hw->phy.ops.acquire))  in igb_write_phy_reg_igp()
426 	ret_val = hw->phy.ops.acquire(hw);  in igb_write_phy_reg_igp()
435 			hw->phy.ops.release(hw);  in igb_write_phy_reg_igp()
443 	hw->phy.ops.release(hw);  in igb_write_phy_reg_igp()
450  *  igb_copper_link_setup_82580 - Setup 82580 PHY for copper link
453  *  Sets up Carrier-sense on Transmit and downshift values.
457 	struct e1000_phy_info *phy = &hw->phy;  in igb_copper_link_setup_82580()
461 	if (phy->reset_disable) {  in igb_copper_link_setup_82580()
466 	if (phy->type == e1000_phy_82580) {  in igb_copper_link_setup_82580()
467 		ret_val = hw->phy.ops.reset(hw);  in igb_copper_link_setup_82580()
474 	/* Enable CRS on TX. This must be set for half-duplex operation. */  in igb_copper_link_setup_82580()
475 	ret_val = phy->ops.read_reg(hw, I82580_CFG_REG, &phy_data);  in igb_copper_link_setup_82580()
484 	ret_val = phy->ops.write_reg(hw, I82580_CFG_REG, phy_data);  in igb_copper_link_setup_82580()
489 	ret_val = phy->ops.read_reg(hw, I82580_PHY_CTRL_2, &phy_data);  in igb_copper_link_setup_82580()
494 	 *   0 - Auto (default)  in igb_copper_link_setup_82580()
495 	 *   1 - MDI mode  in igb_copper_link_setup_82580()
496 	 *   2 - MDI-X mode  in igb_copper_link_setup_82580()
498 	switch (hw->phy.mdix) {  in igb_copper_link_setup_82580()
509 	ret_val = hw->phy.ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data);  in igb_copper_link_setup_82580()
516  *  igb_copper_link_setup_m88 - Setup m88 PHY's for copper link
519  *  Sets up MDI/MDI-X and polarity for m88 PHY's.  If necessary, transmit clock
524 	struct e1000_phy_info *phy = &hw->phy;  in igb_copper_link_setup_m88()
528 	if (phy->reset_disable) {  in igb_copper_link_setup_m88()
533 	/* Enable CRS on TX. This must be set for half-duplex operation. */  in igb_copper_link_setup_m88()
534 	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);  in igb_copper_link_setup_m88()
541 	 *   MDI/MDI-X = 0 (default)  in igb_copper_link_setup_m88()
542 	 *   0 - Auto for all speeds  in igb_copper_link_setup_m88()
543 	 *   1 - MDI mode  in igb_copper_link_setup_m88()
544 	 *   2 - MDI-X mode  in igb_copper_link_setup_m88()
545 	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)  in igb_copper_link_setup_m88()
549 	switch (phy->mdix) {  in igb_copper_link_setup_m88()
568 	 *   0 - Disabled  in igb_copper_link_setup_m88()
569 	 *   1 - Enabled  in igb_copper_link_setup_m88()
572 	if (phy->disable_polarity_correction == 1)  in igb_copper_link_setup_m88()
575 	ret_val = phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);  in igb_copper_link_setup_m88()
579 	if (phy->revision < E1000_REVISION_4) {  in igb_copper_link_setup_m88()
583 		ret_val = phy->ops.read_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,  in igb_copper_link_setup_m88()
590 		if ((phy->revision == E1000_REVISION_2) &&  in igb_copper_link_setup_m88()
591 		    (phy->id == M88E1111_I_PHY_ID)) {  in igb_copper_link_setup_m88()
592 			/* 82573L PHY - set the downshift counter to 5x. */  in igb_copper_link_setup_m88()
602 		ret_val = phy->ops.write_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,  in igb_copper_link_setup_m88()
620  *  igb_copper_link_setup_m88_gen2 - Setup m88 PHY's for copper link
623  *  Sets up MDI/MDI-X and polarity for i347-AT4, m88e1322 and m88e1112 PHY's.
628 	struct e1000_phy_info *phy = &hw->phy;  in igb_copper_link_setup_m88_gen2()
632 	if (phy->reset_disable)  in igb_copper_link_setup_m88_gen2()
635 	/* Enable CRS on Tx. This must be set for half-duplex operation. */  in igb_copper_link_setup_m88_gen2()
636 	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);  in igb_copper_link_setup_m88_gen2()
641 	 *   MDI/MDI-X = 0 (default)  in igb_copper_link_setup_m88_gen2()
642 	 *   0 - Auto for all speeds  in igb_copper_link_setup_m88_gen2()
643 	 *   1 - MDI mode  in igb_copper_link_setup_m88_gen2()
644 	 *   2 - MDI-X mode  in igb_copper_link_setup_m88_gen2()
645 	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)  in igb_copper_link_setup_m88_gen2()
649 	switch (phy->mdix) {  in igb_copper_link_setup_m88_gen2()
658 		if (phy->id != M88E1112_E_PHY_ID) {  in igb_copper_link_setup_m88_gen2()
672 	 *   0 - Disabled  in igb_copper_link_setup_m88_gen2()
673 	 *   1 - Enabled  in igb_copper_link_setup_m88_gen2()
676 	if (phy->disable_polarity_correction == 1)  in igb_copper_link_setup_m88_gen2()
680 	if (phy->id == M88E1543_E_PHY_ID) {  in igb_copper_link_setup_m88_gen2()
683 		    phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);  in igb_copper_link_setup_m88_gen2()
698 	ret_val = phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);  in igb_copper_link_setup_m88_gen2()
716  *  igb_copper_link_setup_igp - Setup igp PHY's for copper link
719  *  Sets up LPLU, MDI/MDI-X, polarity, Smartspeed and Master/Slave config for
724 	struct e1000_phy_info *phy = &hw->phy;  in igb_copper_link_setup_igp()
728 	if (phy->reset_disable) {  in igb_copper_link_setup_igp()
733 	ret_val = phy->ops.reset(hw);  in igb_copper_link_setup_igp()
745 	 * non-IGP1 PHYs.  in igb_copper_link_setup_igp()
747 	if (phy->type == e1000_phy_igp) {  in igb_copper_link_setup_igp()
749 		if (phy->ops.set_d3_lplu_state)  in igb_copper_link_setup_igp()
750 			ret_val = phy->ops.set_d3_lplu_state(hw, false);  in igb_copper_link_setup_igp()
758 	ret_val = phy->ops.set_d0_lplu_state(hw, false);  in igb_copper_link_setup_igp()
763 	/* Configure mdi-mdix settings */  in igb_copper_link_setup_igp()
764 	ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_CTRL, &data);  in igb_copper_link_setup_igp()
770 	switch (phy->mdix) {  in igb_copper_link_setup_igp()
782 	ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CTRL, data);  in igb_copper_link_setup_igp()
786 	/* set auto-master slave resolution settings */  in igb_copper_link_setup_igp()
787 	if (hw->mac.autoneg) {  in igb_copper_link_setup_igp()
789 		 * should disable SmartSpeed and enable Auto MasterSlave  in igb_copper_link_setup_igp()
792 		if (phy->autoneg_advertised == ADVERTISE_1000_FULL) {  in igb_copper_link_setup_igp()
794 			ret_val = phy->ops.read_reg(hw,  in igb_copper_link_setup_igp()
801 			ret_val = phy->ops.write_reg(hw,  in igb_copper_link_setup_igp()
807 			/* Set auto Master/Slave resolution process */  in igb_copper_link_setup_igp()
808 			ret_val = phy->ops.read_reg(hw, PHY_1000T_CTRL, &data);  in igb_copper_link_setup_igp()
813 			ret_val = phy->ops.write_reg(hw, PHY_1000T_CTRL, data);  in igb_copper_link_setup_igp()
818 		ret_val = phy->ops.read_reg(hw, PHY_1000T_CTRL, &data);  in igb_copper_link_setup_igp()
823 		phy->original_ms_type = (data & CR_1000T_MS_ENABLE) ?  in igb_copper_link_setup_igp()
829 		switch (phy->ms_type) {  in igb_copper_link_setup_igp()
843 		ret_val = phy->ops.write_reg(hw, PHY_1000T_CTRL, data);  in igb_copper_link_setup_igp()
853  *  igb_copper_link_autoneg - Setup/Enable autoneg for copper link
863 	struct e1000_phy_info *phy = &hw->phy;  in igb_copper_link_autoneg()
870 	phy->autoneg_advertised &= phy->autoneg_mask;  in igb_copper_link_autoneg()
875 	if (phy->autoneg_advertised == 0)  in igb_copper_link_autoneg()
876 		phy->autoneg_advertised = phy->autoneg_mask;  in igb_copper_link_autoneg()
878 	hw_dbg("Reconfiguring auto-neg advertisement params\n");  in igb_copper_link_autoneg()
881 		hw_dbg("Error Setting up Auto-Negotiation\n");  in igb_copper_link_autoneg()
884 	hw_dbg("Restarting Auto-Neg\n");  in igb_copper_link_autoneg()
886 	/* Restart auto-negotiation by setting the Auto Neg Enable bit and  in igb_copper_link_autoneg()
887 	 * the Auto Neg Restart bit in the PHY control register.  in igb_copper_link_autoneg()
889 	ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_ctrl);  in igb_copper_link_autoneg()
894 	ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_ctrl);  in igb_copper_link_autoneg()
898 	/* Does the user want to wait for Auto-Neg to complete here, or  in igb_copper_link_autoneg()
901 	if (phy->autoneg_wait_to_complete) {  in igb_copper_link_autoneg()
909 	hw->mac.get_link_status = true;  in igb_copper_link_autoneg()
916  *  igb_phy_setup_autoneg - Configure PHY for auto-negotiation
919  *  Reads the MII auto-neg advertisement register and/or the 1000T control
920  *  register and if the PHY is already setup for auto-negotiation, then
922  *  the appropriate values for the wanted auto-negotiation.
926 	struct e1000_phy_info *phy = &hw->phy;  in igb_phy_setup_autoneg()
931 	phy->autoneg_advertised &= phy->autoneg_mask;  in igb_phy_setup_autoneg()
933 	/* Read the MII Auto-Neg Advertisement Register (Address 4). */  in igb_phy_setup_autoneg()
934 	ret_val = phy->ops.read_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);  in igb_phy_setup_autoneg()
938 	if (phy->autoneg_mask & ADVERTISE_1000_FULL) {  in igb_phy_setup_autoneg()
939 		/* Read the MII 1000Base-T Control Register (Address 9). */  in igb_phy_setup_autoneg()
940 		ret_val = phy->ops.read_reg(hw, PHY_1000T_CTRL,  in igb_phy_setup_autoneg()
953 	/* First we clear all the 10/100 mb speed bits in the Auto-Neg  in igb_phy_setup_autoneg()
955 	 * the  1000Base-T Control Register (Address 9).  in igb_phy_setup_autoneg()
963 	hw_dbg("autoneg_advertised %x\n", phy->autoneg_advertised);  in igb_phy_setup_autoneg()
966 	if (phy->autoneg_advertised & ADVERTISE_10_HALF) {  in igb_phy_setup_autoneg()
972 	if (phy->autoneg_advertised & ADVERTISE_10_FULL) {  in igb_phy_setup_autoneg()
978 	if (phy->autoneg_advertised & ADVERTISE_100_HALF) {  in igb_phy_setup_autoneg()
984 	if (phy->autoneg_advertised & ADVERTISE_100_FULL) {  in igb_phy_setup_autoneg()
990 	if (phy->autoneg_advertised & ADVERTISE_1000_HALF)  in igb_phy_setup_autoneg()
994 	if (phy->autoneg_advertised & ADVERTISE_1000_FULL) {  in igb_phy_setup_autoneg()
1001 	 * auto-negotiation is enabled, then software will have to set the  in igb_phy_setup_autoneg()
1002 	 * "PAUSE" bits to the correct value in the Auto-Negotiation  in igb_phy_setup_autoneg()
1003 	 * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-  in igb_phy_setup_autoneg()
1016 	switch (hw->fc.current_mode) {  in igb_phy_setup_autoneg()
1019 		 * software over-ride.  in igb_phy_setup_autoneg()
1025 		 * disabled, by a software over-ride.  in igb_phy_setup_autoneg()
1037 		 * disabled, by a software over-ride.  in igb_phy_setup_autoneg()
1044 		 * over-ride.  in igb_phy_setup_autoneg()
1050 		ret_val = -E1000_ERR_CONFIG;  in igb_phy_setup_autoneg()
1054 	ret_val = phy->ops.write_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);  in igb_phy_setup_autoneg()
1058 	hw_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);  in igb_phy_setup_autoneg()
1060 	if (phy->autoneg_mask & ADVERTISE_1000_FULL) {  in igb_phy_setup_autoneg()
1061 		ret_val = phy->ops.write_reg(hw,  in igb_phy_setup_autoneg()
1073  *  igb_setup_copper_link - Configure copper link settings
1076  *  Calls the appropriate function to configure the link for auto-neg or forced
1079  *  not established, we return -E1000_ERR_PHY (-2).
1086 	if (hw->mac.autoneg) {  in igb_setup_copper_link()
1098 		ret_val = hw->phy.ops.force_speed_duplex(hw);  in igb_setup_copper_link()
1125  *  igb_phy_force_speed_duplex_igp - Force speed/duplex for igp PHY
1129  *  auto-crossover to force MDI manually.  Waits for link and returns
1130  *  successful if link up is successful, else -E1000_ERR_PHY (-2).
1134 	struct e1000_phy_info *phy = &hw->phy;  in igb_phy_force_speed_duplex_igp()
1139 	ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data);  in igb_phy_force_speed_duplex_igp()
1145 	ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data);  in igb_phy_force_speed_duplex_igp()
1149 	/* Clear Auto-Crossover to force MDI manually.  IGP requires MDI  in igb_phy_force_speed_duplex_igp()
1152 	ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);  in igb_phy_force_speed_duplex_igp()
1159 	ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);  in igb_phy_force_speed_duplex_igp()
1167 	if (phy->autoneg_wait_to_complete) {  in igb_phy_force_speed_duplex_igp()
1188  *  igb_phy_force_speed_duplex_m88 - Force speed/duplex for m88 PHY
1192  *  auto-crossover to force MDI manually.  Resets the PHY to commit the
1199 	struct e1000_phy_info *phy = &hw->phy;  in igb_phy_force_speed_duplex_m88()
1204 	/* I210 and I211 devices support Auto-Crossover in forced operation. */  in igb_phy_force_speed_duplex_m88()
1205 	if (phy->type != e1000_phy_i210) {  in igb_phy_force_speed_duplex_m88()
1206 		/* Clear Auto-Crossover to force MDI manually.  M88E1000  in igb_phy_force_speed_duplex_m88()
1209 		ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL,  in igb_phy_force_speed_duplex_m88()
1215 		ret_val = phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL,  in igb_phy_force_speed_duplex_m88()
1223 	ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data);  in igb_phy_force_speed_duplex_m88()
1229 	ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data);  in igb_phy_force_speed_duplex_m88()
1238 	if (phy->autoneg_wait_to_complete) {  in igb_phy_force_speed_duplex_m88()
1248 			switch (hw->phy.id) {  in igb_phy_force_speed_duplex_m88()
1257 				if (hw->phy.type != e1000_phy_m88)  in igb_phy_force_speed_duplex_m88()
1267 				ret_val = phy->ops.write_reg(hw,  in igb_phy_force_speed_duplex_m88()
1285 	if (hw->phy.type != e1000_phy_m88 ||  in igb_phy_force_speed_duplex_m88()
1286 	    hw->phy.id == I347AT4_E_PHY_ID ||  in igb_phy_force_speed_duplex_m88()
1287 	    hw->phy.id == M88E1112_E_PHY_ID ||  in igb_phy_force_speed_duplex_m88()
1288 	    hw->phy.id == M88E1543_E_PHY_ID ||  in igb_phy_force_speed_duplex_m88()
1289 	    hw->phy.id == M88E1512_E_PHY_ID ||  in igb_phy_force_speed_duplex_m88()
1290 	    hw->phy.id == I210_I_PHY_ID)  in igb_phy_force_speed_duplex_m88()
1293 	ret_val = phy->ops.read_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);  in igb_phy_force_speed_duplex_m88()
1297 	/* Resetting the phy means we need to re-force TX_CLK in the  in igb_phy_force_speed_duplex_m88()
1302 	ret_val = phy->ops.write_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);  in igb_phy_force_speed_duplex_m88()
1306 	/* In addition, we must re-enable CRS on Tx for both half and full  in igb_phy_force_speed_duplex_m88()
1309 	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);  in igb_phy_force_speed_duplex_m88()
1314 	ret_val = phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);  in igb_phy_force_speed_duplex_m88()
1321  *  igb_phy_force_speed_duplex_setup - Configure forced PHY speed/duplex
1326  *  control, force speed/duplex on the MAC, disable auto speed detection,
1327  *  disable auto-negotiation, configure duplex, configure speed, configure
1335 	struct e1000_mac_info *mac = &hw->mac;  in igb_phy_force_speed_duplex_setup()
1339 	hw->fc.current_mode = e1000_fc_none;  in igb_phy_force_speed_duplex_setup()
1346 	/* Disable Auto Speed Detection */  in igb_phy_force_speed_duplex_setup()
1353 	if (mac->forced_speed_duplex & E1000_ALL_HALF_DUPLEX) {  in igb_phy_force_speed_duplex_setup()
1364 	if (mac->forced_speed_duplex & E1000_ALL_100_SPEED) {  in igb_phy_force_speed_duplex_setup()
1382  *  igb_set_d3_lplu_state - Sets low power link up state for D3
1397 	struct e1000_phy_info *phy = &hw->phy;  in igb_set_d3_lplu_state()
1401 	if (!(hw->phy.ops.read_reg))  in igb_set_d3_lplu_state()
1404 	ret_val = phy->ops.read_reg(hw, IGP02E1000_PHY_POWER_MGMT, &data);  in igb_set_d3_lplu_state()
1410 		ret_val = phy->ops.write_reg(hw, IGP02E1000_PHY_POWER_MGMT,  in igb_set_d3_lplu_state()
1419 		if (phy->smart_speed == e1000_smart_speed_on) {  in igb_set_d3_lplu_state()
1420 			ret_val = phy->ops.read_reg(hw,  in igb_set_d3_lplu_state()
1427 			ret_val = phy->ops.write_reg(hw,  in igb_set_d3_lplu_state()
1432 		} else if (phy->smart_speed == e1000_smart_speed_off) {  in igb_set_d3_lplu_state()
1433 			ret_val = phy->ops.read_reg(hw,  in igb_set_d3_lplu_state()
1440 			ret_val = phy->ops.write_reg(hw,  in igb_set_d3_lplu_state()
1446 	} else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||  in igb_set_d3_lplu_state()
1447 		   (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||  in igb_set_d3_lplu_state()
1448 		   (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {  in igb_set_d3_lplu_state()
1450 		ret_val = phy->ops.write_reg(hw, IGP02E1000_PHY_POWER_MGMT,  in igb_set_d3_lplu_state()
1456 		ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_CONFIG,  in igb_set_d3_lplu_state()
1462 		ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CONFIG,  in igb_set_d3_lplu_state()
1471  *  igb_check_downshift - Checks whether a downshift in speed occurred
1480 	struct e1000_phy_info *phy = &hw->phy;  in igb_check_downshift()
1484 	switch (phy->type) {  in igb_check_downshift()
1499 		phy->speed_downgraded = false;  in igb_check_downshift()
1504 	ret_val = phy->ops.read_reg(hw, offset, &phy_data);  in igb_check_downshift()
1507 		phy->speed_downgraded = (phy_data & mask) ? true : false;  in igb_check_downshift()
1514  *  igb_check_polarity_m88 - Checks the polarity.
1517  *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
1523 	struct e1000_phy_info *phy = &hw->phy;  in igb_check_polarity_m88()
1527 	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_STATUS, &data);  in igb_check_polarity_m88()
1530 		phy->cable_polarity = (data & M88E1000_PSSR_REV_POLARITY)  in igb_check_polarity_m88()
1538  *  igb_check_polarity_igp - Checks the polarity.
1541  *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
1548 	struct e1000_phy_info *phy = &hw->phy;  in igb_check_polarity_igp()
1555 	ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_STATUS, &data);  in igb_check_polarity_igp()
1571 	ret_val = phy->ops.read_reg(hw, offset, &data);  in igb_check_polarity_igp()
1574 		phy->cable_polarity = (data & mask)  in igb_check_polarity_igp()
1583  *  igb_wait_autoneg - Wait for auto-neg completion
1586  *  Waits for auto-negotiation to complete or for the auto-negotiation time
1595 	for (i = PHY_AUTO_NEG_LIMIT; i > 0; i--) {  in igb_wait_autoneg()
1596 		ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status);  in igb_wait_autoneg()
1599 		ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status);  in igb_wait_autoneg()
1607 	/* PHY_AUTO_NEG_TIME expiration doesn't guarantee auto-negotiation  in igb_wait_autoneg()
1614  *  igb_phy_has_link - Polls PHY for link
1616  *  @iterations: number of times to poll for link
1633 		ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status);  in igb_phy_has_link()
1644 		ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status);  in igb_phy_has_link()
1661  *  igb_get_cable_length_m88 - Determine cable length for m88 PHY
1670  *	1			50 - 80 meters
1671  *	2			80 - 110 meters
1672  *	3			110 - 140 meters
1677 	struct e1000_phy_info *phy = &hw->phy;  in igb_get_cable_length_m88()
1681 	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);  in igb_get_cable_length_m88()
1686 	if (index >= ARRAY_SIZE(e1000_m88_cable_length_table) - 1) {  in igb_get_cable_length_m88()
1687 		ret_val = -E1000_ERR_PHY;  in igb_get_cable_length_m88()
1691 	phy->min_cable_length = e1000_m88_cable_length_table[index];  in igb_get_cable_length_m88()
1692 	phy->max_cable_length = e1000_m88_cable_length_table[index + 1];  in igb_get_cable_length_m88()
1694 	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;  in igb_get_cable_length_m88()
1702 	struct e1000_phy_info *phy = &hw->phy;  in igb_get_cable_length_m88_gen2()
1709 	switch (hw->phy.id) {  in igb_get_cable_length_m88_gen2()
1715 		ret_val = phy->ops.read_reg(hw, I347AT4_PAGE_SELECT,  in igb_get_cable_length_m88_gen2()
1720 		ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0x07);  in igb_get_cable_length_m88_gen2()
1725 		ret_val = phy->ops.read_reg(hw, I347AT4_PCDC, &phy_data2);  in igb_get_cable_length_m88_gen2()
1732 		ret_val = phy->ops.read_reg(hw, I347AT4_PCDL0, &phy_data);  in igb_get_cable_length_m88_gen2()
1736 		phy->pair_length[0] = phy_data / (is_cm ? 100 : 1);  in igb_get_cable_length_m88_gen2()
1737 		len_tot = phy->pair_length[0];  in igb_get_cable_length_m88_gen2()
1738 		len_min = phy->pair_length[0];  in igb_get_cable_length_m88_gen2()
1739 		len_max = phy->pair_length[0];  in igb_get_cable_length_m88_gen2()
1742 		ret_val = phy->ops.read_reg(hw, I347AT4_PCDL1, &phy_data);  in igb_get_cable_length_m88_gen2()
1746 		phy->pair_length[1] = phy_data / (is_cm ? 100 : 1);  in igb_get_cable_length_m88_gen2()
1747 		len_tot += phy->pair_length[1];  in igb_get_cable_length_m88_gen2()
1748 		len_min = min(len_min, phy->pair_length[1]);  in igb_get_cable_length_m88_gen2()
1749 		len_max = max(len_max, phy->pair_length[1]);  in igb_get_cable_length_m88_gen2()
1752 		ret_val = phy->ops.read_reg(hw, I347AT4_PCDL2, &phy_data);  in igb_get_cable_length_m88_gen2()
1756 		phy->pair_length[2] = phy_data / (is_cm ? 100 : 1);  in igb_get_cable_length_m88_gen2()
1757 		len_tot += phy->pair_length[2];  in igb_get_cable_length_m88_gen2()
1758 		len_min = min(len_min, phy->pair_length[2]);  in igb_get_cable_length_m88_gen2()
1759 		len_max = max(len_max, phy->pair_length[2]);  in igb_get_cable_length_m88_gen2()
1762 		ret_val = phy->ops.read_reg(hw, I347AT4_PCDL3, &phy_data);  in igb_get_cable_length_m88_gen2()
1766 		phy->pair_length[3] = phy_data / (is_cm ? 100 : 1);  in igb_get_cable_length_m88_gen2()
1767 		len_tot += phy->pair_length[3];  in igb_get_cable_length_m88_gen2()
1768 		len_min = min(len_min, phy->pair_length[3]);  in igb_get_cable_length_m88_gen2()
1769 		len_max = max(len_max, phy->pair_length[3]);  in igb_get_cable_length_m88_gen2()
1772 		phy->min_cable_length = len_min;  in igb_get_cable_length_m88_gen2()
1773 		phy->max_cable_length = len_max;  in igb_get_cable_length_m88_gen2()
1774 		phy->cable_length = len_tot / 4;  in igb_get_cable_length_m88_gen2()
1777 		ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT,  in igb_get_cable_length_m88_gen2()
1784 		ret_val = phy->ops.read_reg(hw, I347AT4_PAGE_SELECT,  in igb_get_cable_length_m88_gen2()
1789 		ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0x05);  in igb_get_cable_length_m88_gen2()
1793 		ret_val = phy->ops.read_reg(hw, M88E1112_VCT_DSP_DISTANCE,  in igb_get_cable_length_m88_gen2()
1799 		if (index >= ARRAY_SIZE(e1000_m88_cable_length_table) - 1) {  in igb_get_cable_length_m88_gen2()
1800 			ret_val = -E1000_ERR_PHY;  in igb_get_cable_length_m88_gen2()
1804 		phy->min_cable_length = e1000_m88_cable_length_table[index];  in igb_get_cable_length_m88_gen2()
1805 		phy->max_cable_length = e1000_m88_cable_length_table[index + 1];  in igb_get_cable_length_m88_gen2()
1807 		phy->cable_length = (phy->min_cable_length +  in igb_get_cable_length_m88_gen2()
1808 				     phy->max_cable_length) / 2;  in igb_get_cable_length_m88_gen2()
1811 		ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT,  in igb_get_cable_length_m88_gen2()
1818 		ret_val = -E1000_ERR_PHY;  in igb_get_cable_length_m88_gen2()
1827  *  igb_get_cable_length_igp_2 - Determine cable length for igp2 PHY
1839 	struct e1000_phy_info *phy = &hw->phy;  in igb_get_cable_length_igp_2()
1843 	u16 min_agc_index = ARRAY_SIZE(e1000_igp_2_cable_length_table) - 1;  in igb_get_cable_length_igp_2()
1853 		ret_val = phy->ops.read_reg(hw, agc_reg_array[i], &phy_data);  in igb_get_cable_length_igp_2()
1868 			ret_val = -E1000_ERR_PHY;  in igb_get_cable_length_igp_2()
1883 	agc_value -= (e1000_igp_2_cable_length_table[min_agc_index] +  in igb_get_cable_length_igp_2()
1885 	agc_value /= (IGP02E1000_PHY_CHANNEL_NUM - 2);  in igb_get_cable_length_igp_2()
1887 	/* Calculate cable length with the error range of +/- 10 meters. */  in igb_get_cable_length_igp_2()
1888 	phy->min_cable_length = ((agc_value - IGP02E1000_AGC_RANGE) > 0) ?  in igb_get_cable_length_igp_2()
1889 				 (agc_value - IGP02E1000_AGC_RANGE) : 0;  in igb_get_cable_length_igp_2()
1890 	phy->max_cable_length = agc_value + IGP02E1000_AGC_RANGE;  in igb_get_cable_length_igp_2()
1892 	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;  in igb_get_cable_length_igp_2()
1899  *  igb_get_phy_info_m88 - Retrieve PHY information
1904  *  determine the polarity and 10base-T extended distance.  Read the PHY
1910 	struct e1000_phy_info *phy = &hw->phy;  in igb_get_phy_info_m88()
1915 	if (phy->media_type != e1000_media_type_copper) {  in igb_get_phy_info_m88()
1917 		ret_val = -E1000_ERR_CONFIG;  in igb_get_phy_info_m88()
1927 		ret_val = -E1000_ERR_CONFIG;  in igb_get_phy_info_m88()
1931 	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);  in igb_get_phy_info_m88()
1935 	phy->polarity_correction = (phy_data & M88E1000_PSCR_POLARITY_REVERSAL)  in igb_get_phy_info_m88()
1942 	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);  in igb_get_phy_info_m88()
1946 	phy->is_mdix = (phy_data & M88E1000_PSSR_MDIX) ? true : false;  in igb_get_phy_info_m88()
1949 		ret_val = phy->ops.get_cable_length(hw);  in igb_get_phy_info_m88()
1953 		ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &phy_data);  in igb_get_phy_info_m88()
1957 		phy->local_rx = (phy_data & SR_1000T_LOCAL_RX_STATUS)  in igb_get_phy_info_m88()
1961 		phy->remote_rx = (phy_data & SR_1000T_REMOTE_RX_STATUS)  in igb_get_phy_info_m88()
1966 		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;  in igb_get_phy_info_m88()
1967 		phy->local_rx = e1000_1000t_rx_status_undefined;  in igb_get_phy_info_m88()
1968 		phy->remote_rx = e1000_1000t_rx_status_undefined;  in igb_get_phy_info_m88()
1976  *  igb_get_phy_info_igp - Retrieve igp PHY information
1980  *  set/determine 10base-T extended distance and polarity correction.  Read
1986 	struct e1000_phy_info *phy = &hw->phy;  in igb_get_phy_info_igp()
1997 		ret_val = -E1000_ERR_CONFIG;  in igb_get_phy_info_igp()
2001 	phy->polarity_correction = true;  in igb_get_phy_info_igp()
2007 	ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_STATUS, &data);  in igb_get_phy_info_igp()
2011 	phy->is_mdix = (data & IGP01E1000_PSSR_MDIX) ? true : false;  in igb_get_phy_info_igp()
2015 		ret_val = phy->ops.get_cable_length(hw);  in igb_get_phy_info_igp()
2019 		ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data);  in igb_get_phy_info_igp()
2023 		phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS)  in igb_get_phy_info_igp()
2027 		phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS)  in igb_get_phy_info_igp()
2031 		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;  in igb_get_phy_info_igp()
2032 		phy->local_rx = e1000_1000t_rx_status_undefined;  in igb_get_phy_info_igp()
2033 		phy->remote_rx = e1000_1000t_rx_status_undefined;  in igb_get_phy_info_igp()
2041  *  igb_phy_sw_reset - PHY software reset
2052 	if (!(hw->phy.ops.read_reg))  in igb_phy_sw_reset()
2055 	ret_val = hw->phy.ops.read_reg(hw, PHY_CONTROL, &phy_ctrl);  in igb_phy_sw_reset()
2060 	ret_val = hw->phy.ops.write_reg(hw, PHY_CONTROL, phy_ctrl);  in igb_phy_sw_reset()
2071  *  igb_phy_hw_reset - PHY hardware reset
2081 	struct e1000_phy_info *phy = &hw->phy;  in igb_phy_hw_reset()
2091 	ret_val = phy->ops.acquire(hw);  in igb_phy_hw_reset()
2099 	udelay(phy->reset_delay_us);  in igb_phy_hw_reset()
2106 	phy->ops.release(hw);  in igb_phy_hw_reset()
2108 	ret_val = phy->ops.get_cfg_done(hw);  in igb_phy_hw_reset()
2115  *  igb_phy_init_script_igp3 - Inits the IGP3 PHY
2125 	/* Enable rise/fall, 10-mode work in class-A */  in igb_phy_init_script_igp3()
2126 	hw->phy.ops.write_reg(hw, 0x2F5B, 0x9018);  in igb_phy_init_script_igp3()
2128 	hw->phy.ops.write_reg(hw, 0x2F52, 0x0000);  in igb_phy_init_script_igp3()
2130 	hw->phy.ops.write_reg(hw, 0x2FB1, 0x8B24);  in igb_phy_init_script_igp3()
2132 	hw->phy.ops.write_reg(hw, 0x2FB2, 0xF8F0);  in igb_phy_init_script_igp3()
2134 	hw->phy.ops.write_reg(hw, 0x2010, 0x10B0);  in igb_phy_init_script_igp3()
2136 	hw->phy.ops.write_reg(hw, 0x2011, 0x0000);  in igb_phy_init_script_igp3()
2138 	hw->phy.ops.write_reg(hw, 0x20DD, 0x249A);  in igb_phy_init_script_igp3()
2140 	hw->phy.ops.write_reg(hw, 0x20DE, 0x00D3);  in igb_phy_init_script_igp3()
2142 	hw->phy.ops.write_reg(hw, 0x28B4, 0x04CE);  in igb_phy_init_script_igp3()
2144 	hw->phy.ops.write_reg(hw, 0x2F70, 0x29E4);  in igb_phy_init_script_igp3()
2146 	hw->phy.ops.write_reg(hw, 0x0000, 0x0140);  in igb_phy_init_script_igp3()
2148 	hw->phy.ops.write_reg(hw, 0x1F30, 0x1606);  in igb_phy_init_script_igp3()
2150 	hw->phy.ops.write_reg(hw, 0x1F31, 0xB814);  in igb_phy_init_script_igp3()
2152 	hw->phy.ops.write_reg(hw, 0x1F35, 0x002A);  in igb_phy_init_script_igp3()
2154 	hw->phy.ops.write_reg(hw, 0x1F3E, 0x0067);  in igb_phy_init_script_igp3()
2156 	hw->phy.ops.write_reg(hw, 0x1F54, 0x0065);  in igb_phy_init_script_igp3()
2158 	hw->phy.ops.write_reg(hw, 0x1F55, 0x002A);  in igb_phy_init_script_igp3()
2160 	hw->phy.ops.write_reg(hw, 0x1F56, 0x002A);  in igb_phy_init_script_igp3()
2162 	hw->phy.ops.write_reg(hw, 0x1F72, 0x3FB0);  in igb_phy_init_script_igp3()
2164 	hw->phy.ops.write_reg(hw, 0x1F76, 0xC0FF);  in igb_phy_init_script_igp3()
2166 	hw->phy.ops.write_reg(hw, 0x1F77, 0x1DEC);  in igb_phy_init_script_igp3()
2168 	hw->phy.ops.write_reg(hw, 0x1F78, 0xF9EF);  in igb_phy_init_script_igp3()
2170 	hw->phy.ops.write_reg(hw, 0x1F79, 0x0210);  in igb_phy_init_script_igp3()
2172 	hw->phy.ops.write_reg(hw, 0x1895, 0x0003);  in igb_phy_init_script_igp3()
2174 	hw->phy.ops.write_reg(hw, 0x1796, 0x0008);  in igb_phy_init_script_igp3()
2176 	hw->phy.ops.write_reg(hw, 0x1798, 0xD008);  in igb_phy_init_script_igp3()
2180 	hw->phy.ops.write_reg(hw, 0x1898, 0xD918);  in igb_phy_init_script_igp3()
2182 	hw->phy.ops.write_reg(hw, 0x187A, 0x0800);  in igb_phy_init_script_igp3()
2183 	/* Enable LPLU and disable AN to 1000 in non-D0a states,  in igb_phy_init_script_igp3()
2186 	hw->phy.ops.write_reg(hw, 0x0019, 0x008D);  in igb_phy_init_script_igp3()
2188 	hw->phy.ops.write_reg(hw, 0x001B, 0x2080);  in igb_phy_init_script_igp3()
2190 	hw->phy.ops.write_reg(hw, 0x0014, 0x0045);  in igb_phy_init_script_igp3()
2192 	hw->phy.ops.write_reg(hw, 0x0000, 0x1340);  in igb_phy_init_script_igp3()
2198  *  igb_initialize_M88E1512_phy - Initialize M88E1512 PHY
2205 	struct e1000_phy_info *phy = &hw->phy;  in igb_initialize_M88E1512_phy()
2209 	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x00FF);  in igb_initialize_M88E1512_phy()
2213 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0x214B);  in igb_initialize_M88E1512_phy()
2217 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2144);  in igb_initialize_M88E1512_phy()
2221 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0x0C28);  in igb_initialize_M88E1512_phy()
2225 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2146);  in igb_initialize_M88E1512_phy()
2229 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0xB233);  in igb_initialize_M88E1512_phy()
2233 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x214D);  in igb_initialize_M88E1512_phy()
2237 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0xCC0C);  in igb_initialize_M88E1512_phy()
2241 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2159);  in igb_initialize_M88E1512_phy()
2246 	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x00FB);  in igb_initialize_M88E1512_phy()
2250 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_3, 0x000D);  in igb_initialize_M88E1512_phy()
2255 	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x12);  in igb_initialize_M88E1512_phy()
2259 	/* Change mode to SGMII-to-Copper */  in igb_initialize_M88E1512_phy()
2260 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_MODE, 0x8001);  in igb_initialize_M88E1512_phy()
2265 	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0);  in igb_initialize_M88E1512_phy()
2282  *  igb_initialize_M88E1543_phy - Initialize M88E1512 PHY
2289 	struct e1000_phy_info *phy = &hw->phy;  in igb_initialize_M88E1543_phy()
2293 	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x00FF);  in igb_initialize_M88E1543_phy()
2297 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0x214B);  in igb_initialize_M88E1543_phy()
2301 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2144);  in igb_initialize_M88E1543_phy()
2305 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0x0C28);  in igb_initialize_M88E1543_phy()
2309 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2146);  in igb_initialize_M88E1543_phy()
2313 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0xB233);  in igb_initialize_M88E1543_phy()
2317 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x214D);  in igb_initialize_M88E1543_phy()
2321 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0xDC0C);  in igb_initialize_M88E1543_phy()
2325 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2159);  in igb_initialize_M88E1543_phy()
2330 	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x00FB);  in igb_initialize_M88E1543_phy()
2334 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_3, 0x0C0D);  in igb_initialize_M88E1543_phy()
2339 	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x12);  in igb_initialize_M88E1543_phy()
2343 	/* Change mode to SGMII-to-Copper */  in igb_initialize_M88E1543_phy()
2344 	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_MODE, 0x8001);  in igb_initialize_M88E1543_phy()
2349 	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x1);  in igb_initialize_M88E1543_phy()
2353 	/* Change mode to 1000BASE-X/SGMII and autoneg enable */  in igb_initialize_M88E1543_phy()
2354 	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_FIBER_CTRL, 0x9140);  in igb_initialize_M88E1543_phy()
2359 	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0);  in igb_initialize_M88E1543_phy()
2376  * igb_power_up_phy_copper - Restore copper link in case of PHY power down
2387 	hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg);  in igb_power_up_phy_copper()
2389 	hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg);  in igb_power_up_phy_copper()
2393  * igb_power_down_phy_copper - Power down copper PHY
2404 	hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg);  in igb_power_down_phy_copper()
2406 	hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg);  in igb_power_down_phy_copper()
2411  *  igb_check_polarity_82580 - Checks the polarity.
2414  *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
2420 	struct e1000_phy_info *phy = &hw->phy;  in igb_check_polarity_82580()
2425 	ret_val = phy->ops.read_reg(hw, I82580_PHY_STATUS_2, &data);  in igb_check_polarity_82580()
2428 		phy->cable_polarity = (data & I82580_PHY_STATUS2_REV_POLARITY)  in igb_check_polarity_82580()
2436  *  igb_phy_force_speed_duplex_82580 - Force speed/duplex for I82580 PHY
2440  *  auto-crossover to force MDI manually.  Waits for link and returns
2441  *  successful if link up is successful, else -E1000_ERR_PHY (-2).
2445 	struct e1000_phy_info *phy = &hw->phy;  in igb_phy_force_speed_duplex_82580()
2450 	ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data);  in igb_phy_force_speed_duplex_82580()
2456 	ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data);  in igb_phy_force_speed_duplex_82580()
2460 	/* Clear Auto-Crossover to force MDI manually.  82580 requires MDI  in igb_phy_force_speed_duplex_82580()
2463 	ret_val = phy->ops.read_reg(hw, I82580_PHY_CTRL_2, &phy_data);  in igb_phy_force_speed_duplex_82580()
2469 	ret_val = phy->ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data);  in igb_phy_force_speed_duplex_82580()
2477 	if (phy->autoneg_wait_to_complete) {  in igb_phy_force_speed_duplex_82580()
2498  *  igb_get_phy_info_82580 - Retrieve I82580 PHY information
2502  *  set/determine 10base-T extended distance and polarity correction.  Read
2508 	struct e1000_phy_info *phy = &hw->phy;  in igb_get_phy_info_82580()
2519 		ret_val = -E1000_ERR_CONFIG;  in igb_get_phy_info_82580()
2523 	phy->polarity_correction = true;  in igb_get_phy_info_82580()
2529 	ret_val = phy->ops.read_reg(hw, I82580_PHY_STATUS_2, &data);  in igb_get_phy_info_82580()
2533 	phy->is_mdix = (data & I82580_PHY_STATUS2_MDIX) ? true : false;  in igb_get_phy_info_82580()
2537 		ret_val = hw->phy.ops.get_cable_length(hw);  in igb_get_phy_info_82580()
2541 		ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data);  in igb_get_phy_info_82580()
2545 		phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS)  in igb_get_phy_info_82580()
2549 		phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS)  in igb_get_phy_info_82580()
2553 		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;  in igb_get_phy_info_82580()
2554 		phy->local_rx = e1000_1000t_rx_status_undefined;  in igb_get_phy_info_82580()
2555 		phy->remote_rx = e1000_1000t_rx_status_undefined;  in igb_get_phy_info_82580()
2563  *  igb_get_cable_length_82580 - Determine cable length for 82580 PHY
2571 	struct e1000_phy_info *phy = &hw->phy;  in igb_get_cable_length_82580()
2575 	ret_val = phy->ops.read_reg(hw, I82580_PHY_DIAG_STATUS, &phy_data);  in igb_get_cable_length_82580()
2582 		ret_val = -E1000_ERR_PHY;  in igb_get_cable_length_82580()
2584 	phy->cable_length = length;  in igb_get_cable_length_82580()
2591  *  igb_set_master_slave_mode - Setup PHY for Master/slave mode
2602 	ret_val = hw->phy.ops.read_reg(hw, PHY_1000T_CTRL, &phy_data);  in igb_set_master_slave_mode()
2607 	hw->phy.original_ms_type = (phy_data & CR_1000T_MS_ENABLE) ?  in igb_set_master_slave_mode()
2612 	switch (hw->phy.ms_type) {  in igb_set_master_slave_mode()
2627 	return hw->phy.ops.write_reg(hw, PHY_1000T_CTRL, phy_data);  in igb_set_master_slave_mode()