diff options
Diffstat (limited to 'drivers/net/e1000e/phy.c')
-rw-r--r-- | drivers/net/e1000e/phy.c | 516 |
1 files changed, 372 insertions, 144 deletions
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c index 85f955f7041..55a2c0acfee 100644 --- a/drivers/net/e1000e/phy.c +++ b/drivers/net/e1000e/phy.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel PRO/1000 Linux driver - Copyright(c) 1999 - 2008 Intel Corporation. + Copyright(c) 1999 - 2009 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -44,6 +44,8 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset, /* Cable length tables */ static const u16 e1000_m88_cable_length_table[] = { 0, 50, 80, 110, 140, 140, E1000_CABLE_LENGTH_UNDEFINED }; +#define M88E1000_CABLE_LENGTH_TABLE_SIZE \ + ARRAY_SIZE(e1000_m88_cable_length_table) static const u16 e1000_igp_2_cable_length_table[] = { 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, 0, 0, 0, 3, @@ -130,7 +132,7 @@ s32 e1000e_get_phy_id(struct e1000_hw *hw) u16 phy_id; u16 retry_count = 0; - if (!(phy->ops.read_phy_reg)) + if (!(phy->ops.read_reg)) goto out; while (retry_count < 2) { @@ -151,29 +153,29 @@ s32 e1000e_get_phy_id(struct e1000_hw *hw) goto out; /* - * If the PHY ID is still unknown, we may have an 82577i - * without link. We will try again after setting Slow - * MDIC mode. No harm in trying again in this case since - * the PHY ID is unknown at this point anyway + * If the PHY ID is still unknown, we may have an 82577 + * without link. We will try again after setting Slow MDIC + * mode. No harm in trying again in this case since the PHY + * ID is unknown at this point anyway. */ - ret_val = phy->ops.acquire_phy(hw); + ret_val = phy->ops.acquire(hw); if (ret_val) goto out; ret_val = e1000_set_mdio_slow_mode_hv(hw, true); if (ret_val) goto out; - phy->ops.release_phy(hw); + phy->ops.release(hw); retry_count++; } out: /* Revert to MDIO fast mode, if applicable */ if (retry_count) { - ret_val = phy->ops.acquire_phy(hw); + ret_val = phy->ops.acquire(hw); if (ret_val) return ret_val; ret_val = e1000_set_mdio_slow_mode_hv(hw, false); - phy->ops.release_phy(hw); + phy->ops.release(hw); } return ret_val; @@ -211,7 +213,7 @@ s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data) u32 i, mdic = 0; if (offset > MAX_PHY_REG_ADDRESS) { - hw_dbg(hw, "PHY Address %d is out of range\n", offset); + e_dbg("PHY Address %d is out of range\n", offset); return -E1000_ERR_PARAM; } @@ -238,11 +240,11 @@ s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data) break; } if (!(mdic & E1000_MDIC_READY)) { - hw_dbg(hw, "MDI Read did not complete\n"); + e_dbg("MDI Read did not complete\n"); return -E1000_ERR_PHY; } if (mdic & E1000_MDIC_ERROR) { - hw_dbg(hw, "MDI Error\n"); + e_dbg("MDI Error\n"); return -E1000_ERR_PHY; } *data = (u16) mdic; @@ -264,7 +266,7 @@ s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data) u32 i, mdic = 0; if (offset > MAX_PHY_REG_ADDRESS) { - hw_dbg(hw, "PHY Address %d is out of range\n", offset); + e_dbg("PHY Address %d is out of range\n", offset); return -E1000_ERR_PARAM; } @@ -292,11 +294,11 @@ s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data) break; } if (!(mdic & E1000_MDIC_READY)) { - hw_dbg(hw, "MDI Write did not complete\n"); + e_dbg("MDI Write did not complete\n"); return -E1000_ERR_PHY; } if (mdic & E1000_MDIC_ERROR) { - hw_dbg(hw, "MDI Error\n"); + e_dbg("MDI Error\n"); return -E1000_ERR_PHY; } @@ -317,14 +319,14 @@ s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data) { s32 ret_val; - ret_val = hw->phy.ops.acquire_phy(hw); + ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); - hw->phy.ops.release_phy(hw); + hw->phy.ops.release(hw); return ret_val; } @@ -342,14 +344,14 @@ s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data) { s32 ret_val; - ret_val = hw->phy.ops.acquire_phy(hw); + ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); - hw->phy.ops.release_phy(hw); + hw->phy.ops.release(hw); return ret_val; } @@ -371,10 +373,10 @@ static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data, s32 ret_val = 0; if (!locked) { - if (!(hw->phy.ops.acquire_phy)) + if (!(hw->phy.ops.acquire)) goto out; - ret_val = hw->phy.ops.acquire_phy(hw); + ret_val = hw->phy.ops.acquire(hw); if (ret_val) goto out; } @@ -392,7 +394,7 @@ static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data, release: if (!locked) - hw->phy.ops.release_phy(hw); + hw->phy.ops.release(hw); out: return ret_val; } @@ -442,10 +444,10 @@ static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data, s32 ret_val = 0; if (!locked) { - if (!(hw->phy.ops.acquire_phy)) + if (!(hw->phy.ops.acquire)) goto out; - ret_val = hw->phy.ops.acquire_phy(hw); + ret_val = hw->phy.ops.acquire(hw); if (ret_val) goto out; } @@ -463,7 +465,7 @@ static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data, release: if (!locked) - hw->phy.ops.release_phy(hw); + hw->phy.ops.release(hw); out: return ret_val; @@ -515,10 +517,10 @@ static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data, s32 ret_val = 0; if (!locked) { - if (!(hw->phy.ops.acquire_phy)) + if (!(hw->phy.ops.acquire)) goto out; - ret_val = hw->phy.ops.acquire_phy(hw); + ret_val = hw->phy.ops.acquire(hw); if (ret_val) goto out; } @@ -533,7 +535,7 @@ static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data, *data = (u16)kmrnctrlsta; if (!locked) - hw->phy.ops.release_phy(hw); + hw->phy.ops.release(hw); out: return ret_val; @@ -587,10 +589,10 @@ static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data, s32 ret_val = 0; if (!locked) { - if (!(hw->phy.ops.acquire_phy)) + if (!(hw->phy.ops.acquire)) goto out; - ret_val = hw->phy.ops.acquire_phy(hw); + ret_val = hw->phy.ops.acquire(hw); if (ret_val) goto out; } @@ -602,7 +604,7 @@ static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data, udelay(2); if (!locked) - hw->phy.ops.release_phy(hw); + hw->phy.ops.release(hw); out: return ret_val; @@ -649,7 +651,7 @@ s32 e1000_copper_link_setup_82577(struct e1000_hw *hw) u16 phy_data; /* Enable CRS on TX. This must be set for half-duplex operation. */ - ret_val = phy->ops.read_phy_reg(hw, I82577_CFG_REG, &phy_data); + ret_val = phy->ops.read_reg(hw, I82577_CFG_REG, &phy_data); if (ret_val) goto out; @@ -658,7 +660,7 @@ s32 e1000_copper_link_setup_82577(struct e1000_hw *hw) /* Enable downshift */ phy_data |= I82577_CFG_ENABLE_DOWNSHIFT; - ret_val = phy->ops.write_phy_reg(hw, I82577_CFG_REG, phy_data); + ret_val = phy->ops.write_reg(hw, I82577_CFG_REG, phy_data); out: return ret_val; @@ -776,12 +778,12 @@ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw) /* Commit the changes. */ ret_val = e1000e_commit_phy(hw); if (ret_val) { - hw_dbg(hw, "Error committing the PHY changes\n"); + e_dbg("Error committing the PHY changes\n"); return ret_val; } if (phy->type == e1000_phy_82578) { - ret_val = phy->ops.read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, + ret_val = phy->ops.read_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data); if (ret_val) return ret_val; @@ -789,7 +791,7 @@ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw) /* 82578 PHY - set the downshift count to 1x. */ phy_data |= I82578_EPSCR_DOWNSHIFT_ENABLE; phy_data &= ~I82578_EPSCR_DOWNSHIFT_COUNTER_MASK; - ret_val = phy->ops.write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, + ret_val = phy->ops.write_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data); if (ret_val) return ret_val; @@ -813,7 +815,7 @@ s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw) ret_val = e1000_phy_hw_reset(hw); if (ret_val) { - hw_dbg(hw, "Error resetting the PHY.\n"); + e_dbg("Error resetting the PHY.\n"); return ret_val; } @@ -824,9 +826,9 @@ s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw) msleep(100); /* disable lplu d0 during driver init */ - ret_val = e1000_set_d0_lplu_state(hw, 0); + ret_val = e1000_set_d0_lplu_state(hw, false); if (ret_val) { - hw_dbg(hw, "Error Disabling LPLU D0\n"); + e_dbg("Error Disabling LPLU D0\n"); return ret_val; } /* Configure mdi-mdix settings */ @@ -962,39 +964,39 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw) NWAY_AR_10T_HD_CAPS); mii_1000t_ctrl_reg &= ~(CR_1000T_HD_CAPS | CR_1000T_FD_CAPS); - hw_dbg(hw, "autoneg_advertised %x\n", phy->autoneg_advertised); + e_dbg("autoneg_advertised %x\n", phy->autoneg_advertised); /* Do we want to advertise 10 Mb Half Duplex? */ if (phy->autoneg_advertised & ADVERTISE_10_HALF) { - hw_dbg(hw, "Advertise 10mb Half duplex\n"); + e_dbg("Advertise 10mb Half duplex\n"); mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS; } /* Do we want to advertise 10 Mb Full Duplex? */ if (phy->autoneg_advertised & ADVERTISE_10_FULL) { - hw_dbg(hw, "Advertise 10mb Full duplex\n"); + e_dbg("Advertise 10mb Full duplex\n"); mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS; } /* Do we want to advertise 100 Mb Half Duplex? */ if (phy->autoneg_advertised & ADVERTISE_100_HALF) { - hw_dbg(hw, "Advertise 100mb Half duplex\n"); + e_dbg("Advertise 100mb Half duplex\n"); mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS; } /* Do we want to advertise 100 Mb Full Duplex? */ if (phy->autoneg_advertised & ADVERTISE_100_FULL) { - hw_dbg(hw, "Advertise 100mb Full duplex\n"); + e_dbg("Advertise 100mb Full duplex\n"); mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS; } /* We do not allow the Phy to advertise 1000 Mb Half Duplex */ if (phy->autoneg_advertised & ADVERTISE_1000_HALF) - hw_dbg(hw, "Advertise 1000mb Half duplex request denied!\n"); + e_dbg("Advertise 1000mb Half duplex request denied!\n"); /* Do we want to advertise 1000 Mb Full Duplex? */ if (phy->autoneg_advertised & ADVERTISE_1000_FULL) { - hw_dbg(hw, "Advertise 1000mb Full duplex\n"); + e_dbg("Advertise 1000mb Full duplex\n"); mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS; } @@ -1053,7 +1055,7 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw) mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE); break; default: - hw_dbg(hw, "Flow control param set incorrectly\n"); + e_dbg("Flow control param set incorrectly\n"); ret_val = -E1000_ERR_CONFIG; return ret_val; } @@ -1062,7 +1064,7 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw) if (ret_val) return ret_val; - hw_dbg(hw, "Auto-Neg Advertising %x\n", mii_autoneg_adv_reg); + e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg); if (phy->autoneg_mask & ADVERTISE_1000_FULL) { ret_val = e1e_wphy(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg); @@ -1099,13 +1101,13 @@ static s32 e1000_copper_link_autoneg(struct e1000_hw *hw) if (phy->autoneg_advertised == 0) phy->autoneg_advertised = phy->autoneg_mask; - hw_dbg(hw, "Reconfiguring auto-neg advertisement params\n"); + e_dbg("Reconfiguring auto-neg advertisement params\n"); ret_val = e1000_phy_setup_autoneg(hw); if (ret_val) { - hw_dbg(hw, "Error Setting up Auto-Negotiation\n"); + e_dbg("Error Setting up Auto-Negotiation\n"); return ret_val; } - hw_dbg(hw, "Restarting Auto-Neg\n"); + e_dbg("Restarting Auto-Neg\n"); /* * Restart auto-negotiation by setting the Auto Neg Enable bit and @@ -1127,7 +1129,7 @@ static s32 e1000_copper_link_autoneg(struct e1000_hw *hw) if (phy->autoneg_wait_to_complete) { ret_val = e1000_wait_autoneg(hw); if (ret_val) { - hw_dbg(hw, "Error while waiting for " + e_dbg("Error while waiting for " "autoneg to complete\n"); return ret_val; } @@ -1165,10 +1167,10 @@ s32 e1000e_setup_copper_link(struct e1000_hw *hw) * PHY will be set to 10H, 10F, 100H or 100F * depending on user settings. */ - hw_dbg(hw, "Forcing Speed and Duplex\n"); + e_dbg("Forcing Speed and Duplex\n"); ret_val = e1000_phy_force_speed_duplex(hw); if (ret_val) { - hw_dbg(hw, "Error Forcing Speed and Duplex\n"); + e_dbg("Error Forcing Speed and Duplex\n"); return ret_val; } } @@ -1185,11 +1187,11 @@ s32 e1000e_setup_copper_link(struct e1000_hw *hw) return ret_val; if (link) { - hw_dbg(hw, "Valid link established!!!\n"); + e_dbg("Valid link established!!!\n"); e1000e_config_collision_dist(hw); ret_val = e1000e_config_fc_after_link_up(hw); } else { - hw_dbg(hw, "Unable to establish link!!!\n"); + e_dbg("Unable to establish link!!!\n"); } return ret_val; @@ -1235,12 +1237,12 @@ s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw) if (ret_val) return ret_val; - hw_dbg(hw, "IGP PSCR: %X\n", phy_data); + e_dbg("IGP PSCR: %X\n", phy_data); udelay(1); if (phy->autoneg_wait_to_complete) { - hw_dbg(hw, "Waiting for forced speed/duplex link on IGP phy.\n"); + e_dbg("Waiting for forced speed/duplex link on IGP phy.\n"); ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, @@ -1250,7 +1252,7 @@ s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw) return ret_val; if (!link) - hw_dbg(hw, "Link taking longer than expected.\n"); + e_dbg("Link taking longer than expected.\n"); /* Try once more */ ret_val = e1000e_phy_has_link_generic(hw, @@ -1294,7 +1296,7 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw) if (ret_val) return ret_val; - hw_dbg(hw, "M88E1000 PSCR: %X\n", phy_data); + e_dbg("M88E1000 PSCR: %X\n", phy_data); ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data); if (ret_val) @@ -1312,7 +1314,7 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw) return ret_val; if (phy->autoneg_wait_to_complete) { - hw_dbg(hw, "Waiting for forced speed/duplex link on M88 phy.\n"); + e_dbg("Waiting for forced speed/duplex link on M88 phy.\n"); ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, 100000, &link); @@ -1320,17 +1322,22 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw) return ret_val; if (!link) { - /* - * We didn't get link. - * Reset the DSP and cross our fingers. - */ - ret_val = e1e_wphy(hw, M88E1000_PHY_PAGE_SELECT, - 0x001d); - if (ret_val) - return ret_val; - ret_val = e1000e_phy_reset_dsp(hw); - if (ret_val) - return ret_val; + if (hw->phy.type != e1000_phy_m88) { + e_dbg("Link taking longer than expected.\n"); + } else { + /* + * We didn't get link. + * Reset the DSP and cross our fingers. + */ + ret_val = e1e_wphy(hw, + M88E1000_PHY_PAGE_SELECT, + 0x001d); + if (ret_val) + return ret_val; + ret_val = e1000e_phy_reset_dsp(hw); + if (ret_val) + return ret_val; + } } /* Try once more */ @@ -1340,6 +1347,9 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw) return ret_val; } + if (hw->phy.type != e1000_phy_m88) + return 0; + ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data); if (ret_val) return ret_val; @@ -1369,6 +1379,73 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw) } /** + * e1000_phy_force_speed_duplex_ife - Force PHY speed & duplex + * @hw: pointer to the HW structure + * + * Forces the speed and duplex settings of the PHY. + * This is a function pointer entry point only called by + * PHY setup routines. + **/ +s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw) +{ + struct e1000_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data; + bool link; + + ret_val = e1e_rphy(hw, PHY_CONTROL, &data); + if (ret_val) + goto out; + + e1000e_phy_force_speed_duplex_setup(hw, &data); + + ret_val = e1e_wphy(hw, PHY_CONTROL, data); + if (ret_val) + goto out; + + /* Disable MDI-X support for 10/100 */ + ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data); + if (ret_val) + goto out; + + data &= ~IFE_PMC_AUTO_MDIX; + data &= ~IFE_PMC_FORCE_MDIX; + + ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data); + if (ret_val) + goto out; + + e_dbg("IFE PMC: %X\n", data); + + udelay(1); + + if (phy->autoneg_wait_to_complete) { + e_dbg("Waiting for forced speed/duplex link on IFE phy.\n"); + + ret_val = e1000e_phy_has_link_generic(hw, + PHY_FORCE_LIMIT, + 100000, + &link); + if (ret_val) + goto out; + + if (!link) + e_dbg("Link taking longer than expected.\n"); + + /* Try once more */ + ret_val = e1000e_phy_has_link_generic(hw, + PHY_FORCE_LIMIT, + 100000, + &link); + if (ret_val) + goto out; + } + +out: + return ret_val; +} + +/** * e1000e_phy_force_speed_duplex_setup - Configure forced PHY speed/duplex * @hw: pointer to the HW structure * @phy_ctrl: pointer to current value of PHY_CONTROL @@ -1403,11 +1480,11 @@ void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl) if (mac->forced_speed_duplex & E1000_ALL_HALF_DUPLEX) { ctrl &= ~E1000_CTRL_FD; *phy_ctrl &= ~MII_CR_FULL_DUPLEX; - hw_dbg(hw, "Half Duplex\n"); + e_dbg("Half Duplex\n"); } else { ctrl |= E1000_CTRL_FD; *phy_ctrl |= MII_CR_FULL_DUPLEX; - hw_dbg(hw, "Full Duplex\n"); + e_dbg("Full Duplex\n"); } /* Forcing 10mb or 100mb? */ @@ -1415,12 +1492,12 @@ void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl) ctrl |= E1000_CTRL_SPD_100; *phy_ctrl |= MII_CR_SPEED_100; *phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10); - hw_dbg(hw, "Forcing 100mb\n"); + e_dbg("Forcing 100mb\n"); } else { ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); *phy_ctrl |= MII_CR_SPEED_10; *phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100); - hw_dbg(hw, "Forcing 10mb\n"); + e_dbg("Forcing 10mb\n"); } e1000e_config_collision_dist(hw); @@ -1523,8 +1600,8 @@ s32 e1000e_check_downshift(struct e1000_hw *hw) switch (phy->type) { case e1000_phy_m88: case e1000_phy_gg82563: + case e1000_phy_bm: case e1000_phy_82578: - case e1000_phy_82577: offset = M88E1000_PHY_SPEC_STATUS; mask = M88E1000_PSSR_DOWNSHIFT; break; @@ -1535,7 +1612,7 @@ s32 e1000e_check_downshift(struct e1000_hw *hw) break; default: /* speed downshift not supported */ - phy->speed_downgraded = 0; + phy->speed_downgraded = false; return 0; } @@ -1555,7 +1632,7 @@ s32 e1000e_check_downshift(struct e1000_hw *hw) * * Polarity is determined based on the PHY specific status register. **/ -static s32 e1000_check_polarity_m88(struct e1000_hw *hw) +s32 e1000_check_polarity_m88(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; @@ -1580,7 +1657,7 @@ static s32 e1000_check_polarity_m88(struct e1000_hw *hw) * Polarity is determined based on the PHY port status register, and the * current speed (since there is no polarity at 100Mbps). **/ -static s32 e1000_check_polarity_igp(struct e1000_hw *hw) +s32 e1000_check_polarity_igp(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; @@ -1618,6 +1695,39 @@ static s32 e1000_check_polarity_igp(struct e1000_hw *hw) } /** + * e1000_check_polarity_ife - Check cable polarity for IFE PHY + * @hw: pointer to the HW structure + * + * Polarity is determined on the polarity reversal feature being enabled. + **/ +s32 e1000_check_polarity_ife(struct e1000_hw *hw) +{ + struct e1000_phy_info *phy = &hw->phy; + s32 ret_val; + u16 phy_data, offset, mask; + + /* + * Polarity is determined based on the reversal feature being enabled. + */ + if (phy->polarity_correction) { + offset = IFE_PHY_EXTENDED_STATUS_CONTROL; + mask = IFE_PESC_POLARITY_REVERSED; + } else { + offset = IFE_PHY_SPECIAL_CONTROL; + mask = IFE_PSC_FORCE_POLARITY; + } + + ret_val = e1e_rphy(hw, offset, &phy_data); + + if (!ret_val) + phy->cable_polarity = (phy_data & mask) + ? e1000_rev_polarity_reversed + : e1000_rev_polarity_normal; + + return ret_val; +} + +/** * e1000_wait_autoneg - Wait for auto-neg completion * @hw: pointer to the HW structure * @@ -1717,15 +1827,21 @@ s32 e1000e_get_cable_length_m88(struct e1000_hw *hw) ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); if (ret_val) - return ret_val; + goto out; index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >> - M88E1000_PSSR_CABLE_LENGTH_SHIFT; + M88E1000_PSSR_CABLE_LENGTH_SHIFT; + if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) { + ret_val = -E1000_ERR_PHY; + goto out; + } + phy->min_cable_length = e1000_m88_cable_length_table[index]; - phy->max_cable_length = e1000_m88_cable_length_table[index+1]; + phy->max_cable_length = e1000_m88_cable_length_table[index + 1]; phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2; +out: return ret_val; } @@ -1736,7 +1852,7 @@ s32 e1000e_get_cable_length_m88(struct e1000_hw *hw) * The automatic gain control (agc) normalizes the amplitude of the * received signal, adjusting for the attenuation produced by the * cable. By reading the AGC registers, which represent the - * combination of course and fine gain value, the value can be put + * combination of coarse and fine gain value, the value can be put * into a lookup table to obtain the approximate cable length * for each channel. **/ @@ -1761,7 +1877,7 @@ s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw) /* * Getting bits 15:9, which represent the combination of - * course and fine gain values. The result is a number + * coarse and fine gain values. The result is a number * that can be put into the lookup table to obtain the * approximate cable length. */ @@ -1815,8 +1931,8 @@ s32 e1000e_get_phy_info_m88(struct e1000_hw *hw) u16 phy_data; bool link; - if (hw->phy.media_type != e1000_media_type_copper) { - hw_dbg(hw, "Phy info is only valid for copper media\n"); + if (phy->media_type != e1000_media_type_copper) { + e_dbg("Phy info is only valid for copper media\n"); return -E1000_ERR_CONFIG; } @@ -1825,7 +1941,7 @@ s32 e1000e_get_phy_info_m88(struct e1000_hw *hw) return ret_val; if (!link) { - hw_dbg(hw, "Phy info is only valid if link is up\n"); + e_dbg("Phy info is only valid if link is up\n"); return -E1000_ERR_CONFIG; } @@ -1893,11 +2009,11 @@ s32 e1000e_get_phy_info_igp(struct e1000_hw *hw) return ret_val; if (!link) { - hw_dbg(hw, "Phy info is only valid if link is up\n"); + e_dbg("Phy info is only valid if link is up\n"); return -E1000_ERR_CONFIG; } - phy->polarity_correction = 1; + phy->polarity_correction = true; ret_val = e1000_check_polarity_igp(hw); if (ret_val) @@ -1936,6 +2052,61 @@ s32 e1000e_get_phy_info_igp(struct e1000_hw *hw) } /** + * e1000_get_phy_info_ife - Retrieves various IFE PHY states + * @hw: pointer to the HW structure + * + * Populates "phy" structure with various feature states. + **/ +s32 e1000_get_phy_info_ife(struct e1000_hw *hw) +{ + struct e1000_phy_info *phy = &hw->phy; + s32 ret_val; + u16 data; + bool link; + + ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); + if (ret_val) + goto out; + + if (!link) { + e_dbg("Phy info is only valid if link is up\n"); + ret_val = -E1000_ERR_CONFIG; + goto out; + } + + ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data); + if (ret_val) + goto out; + phy->polarity_correction = (data & IFE_PSC_AUTO_POLARITY_DISABLE) + ? false : true; + + if (phy->polarity_correction) { + ret_val = e1000_check_polarity_ife(hw); + if (ret_val) + goto out; + } else { + /* Polarity is forced */ + phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY) + ? e1000_rev_polarity_reversed + : e1000_rev_polarity_normal; + } + + ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data); + if (ret_val) + goto out; + + phy->is_mdix = (data & IFE_PMC_MDIX_STATUS) ? true : false; + + /* The following parameters are undefined for 10/100 operation. */ + phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED; + phy->local_rx = e1000_1000t_rx_status_undefined; + phy->remote_rx = e1000_1000t_rx_status_undefined; + +out: + return ret_val; +} + +/** * e1000e_phy_sw_reset - PHY software reset * @hw: pointer to the HW structure * @@ -1980,7 +2151,7 @@ s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw) if (ret_val) return 0; - ret_val = phy->ops.acquire_phy(hw); + ret_val = phy->ops.acquire(hw); if (ret_val) return ret_val; @@ -1995,7 +2166,7 @@ s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw) udelay(150); - phy->ops.release_phy(hw); + phy->ops.release(hw); return e1000_get_phy_cfg_done(hw); } @@ -2021,7 +2192,7 @@ s32 e1000e_get_cfg_done(struct e1000_hw *hw) **/ s32 e1000e_phy_init_script_igp3(struct e1000_hw *hw) { - hw_dbg(hw, "Running IGP 3 PHY init script\n"); + e_dbg("Running IGP 3 PHY init script\n"); /* PHY init IGP 3 */ /* Enable rise/fall, 10-mode work in class-A */ @@ -2189,28 +2360,34 @@ enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id) s32 e1000e_determine_phy_address(struct e1000_hw *hw) { s32 ret_val = -E1000_ERR_PHY_TYPE; - u32 phy_addr= 0; - u32 i = 0; + u32 phy_addr = 0; + u32 i; enum e1000_phy_type phy_type = e1000_phy_unknown; - do { - for (phy_addr = 0; phy_addr < 4; phy_addr++) { - hw->phy.addr = phy_addr; + hw->phy.id = phy_type; + + for (phy_addr = 0; phy_addr < E1000_MAX_PHY_ADDR; phy_addr++) { + hw->phy.addr = phy_addr; + i = 0; + + do { e1000e_get_phy_id(hw); phy_type = e1000e_get_phy_type_from_id(hw->phy.id); - /* + /* * If phy_type is valid, break - we found our * PHY address */ if (phy_type != e1000_phy_unknown) { ret_val = 0; - break; + goto out; } - } - i++; - } while ((ret_val != 0) && (i < 100)); + msleep(1); + i++; + } while (i < 10); + } +out: return ret_val; } @@ -2246,7 +2423,7 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data) u32 page = offset >> IGP_PAGE_SHIFT; u32 page_shift = 0; - ret_val = hw->phy.ops.acquire_phy(hw); + ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; @@ -2284,7 +2461,7 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data) data); out: - hw->phy.ops.release_phy(hw); + hw->phy.ops.release(hw); return ret_val; } @@ -2305,7 +2482,7 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data) u32 page = offset >> IGP_PAGE_SHIFT; u32 page_shift = 0; - ret_val = hw->phy.ops.acquire_phy(hw); + ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; @@ -2342,7 +2519,7 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data) ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); out: - hw->phy.ops.release_phy(hw); + hw->phy.ops.release(hw); return ret_val; } @@ -2361,7 +2538,7 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data) s32 ret_val; u16 page = (u16)(offset >> IGP_PAGE_SHIFT); - ret_val = hw->phy.ops.acquire_phy(hw); + ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; @@ -2387,7 +2564,7 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data) ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); out: - hw->phy.ops.release_phy(hw); + hw->phy.ops.release(hw); return ret_val; } @@ -2405,7 +2582,7 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data) s32 ret_val; u16 page = (u16)(offset >> IGP_PAGE_SHIFT); - ret_val = hw->phy.ops.acquire_phy(hw); + ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; @@ -2431,7 +2608,7 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data) data); out: - hw->phy.ops.release_phy(hw); + hw->phy.ops.release(hw); return ret_val; } @@ -2464,7 +2641,7 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, /* Gig must be disabled for MDIO accesses to page 800 */ if ((hw->mac.type == e1000_pchlan) && (!(er32(PHY_CTRL) & E1000_PHY_CTRL_GBE_DISABLE))) - hw_dbg(hw, "Attempting to access page 800 while gig enabled\n"); + e_dbg("Attempting to access page 800 while gig enabled.\n"); /* All operations in this function are phy address 1 */ hw->phy.addr = 1; @@ -2474,20 +2651,26 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT)); ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg); - if (ret_val) + if (ret_val) { + e_dbg("Could not read PHY page 769\n"); goto out; + } /* First clear bit 4 to avoid a power state change */ phy_reg &= ~(BM_WUC_HOST_WU_BIT); ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg); - if (ret_val) + if (ret_val) { + e_dbg("Could not clear PHY page 769 bit 4\n"); goto out; + } /* Write bit 2 = 1, and clear bit 4 to 769_17 */ ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg | BM_WUC_ENABLE_BIT); - if (ret_val) + if (ret_val) { + e_dbg("Could not write PHY page 769 bit 2\n"); goto out; + } /* Select page 800 */ ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, @@ -2495,21 +2678,25 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, /* Write the page 800 offset value using opcode 0x11 */ ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ADDRESS_OPCODE, reg); - if (ret_val) + if (ret_val) { + e_dbg("Could not write address opcode to page 800\n"); goto out; + } if (read) { /* Read the page 800 value using opcode 0x12 */ ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE, data); } else { - /* Read the page 800 value using opcode 0x12 */ + /* Write the page 800 value using opcode 0x12 */ ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE, *data); } - if (ret_val) + if (ret_val) { + e_dbg("Could not access data value from page 800\n"); goto out; + } /* * Restore 769_17.2 to its original value @@ -2520,12 +2707,53 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, /* Clear 769_17.2 */ ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg); + if (ret_val) { + e_dbg("Could not clear PHY page 769 bit 2\n"); + goto out; + } out: return ret_val; } /** + * e1000_power_up_phy_copper - Restore copper link in case of PHY power down + * @hw: pointer to the HW structure + * + * In the case of a PHY power down to save power, or to turn off link during a + * driver unload, or wake on lan is not enabled, restore the link to previous + * settings. + **/ +void e1000_power_up_phy_copper(struct e1000_hw *hw) +{ + u16 mii_reg = 0; + + /* The PHY will retain its settings across a power down/up cycle */ + e1e_rphy(hw, PHY_CONTROL, &mii_reg); + mii_reg &= ~MII_CR_POWER_DOWN; + e1e_wphy(hw, PHY_CONTROL, mii_reg); +} + +/** + * e1000_power_down_phy_copper - Restore copper link in case of PHY power down + * @hw: pointer to the HW structure + * + * In the case of a PHY power down to save power, or to turn off link during a + * driver unload, or wake on lan is not enabled, restore the link to previous + * settings. + **/ +void e1000_power_down_phy_copper(struct e1000_hw *hw) +{ + u16 mii_reg = 0; + + /* The PHY will retain its settings across a power down/up cycle */ + e1e_rphy(hw, PHY_CONTROL, &mii_reg); + mii_reg |= MII_CR_POWER_DOWN; + e1e_wphy(hw, PHY_CONTROL, mii_reg); + msleep(1); +} + +/** * e1000e_commit_phy - Soft PHY reset * @hw: pointer to the HW structure * @@ -2534,8 +2762,8 @@ out: **/ s32 e1000e_commit_phy(struct e1000_hw *hw) { - if (hw->phy.ops.commit_phy) - return hw->phy.ops.commit_phy(hw); + if (hw->phy.ops.commit) + return hw->phy.ops.commit(hw); return 0; } @@ -2614,7 +2842,7 @@ static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data, bool in_slow_mode = false; if (!locked) { - ret_val = hw->phy.ops.acquire_phy(hw); + ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; } @@ -2670,7 +2898,7 @@ out: ret_val |= e1000_set_mdio_slow_mode_hv(hw, false); if (!locked) - hw->phy.ops.release_phy(hw); + hw->phy.ops.release(hw); return ret_val; } @@ -2723,7 +2951,7 @@ static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data, bool in_slow_mode = false; if (!locked) { - ret_val = hw->phy.ops.acquire_phy(hw); + ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; } @@ -2796,7 +3024,7 @@ out: ret_val |= e1000_set_mdio_slow_mode_hv(hw, false); if (!locked) - hw->phy.ops.release_phy(hw); + hw->phy.ops.release(hw); return ret_val; } @@ -2872,7 +3100,7 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset, /* masking with 0x3F to remove the page from offset */ ret_val = e1000e_write_phy_reg_mdic(hw, addr_reg, (u16)offset & 0x3F); if (ret_val) { - hw_dbg(hw, "Could not write PHY the HV address register\n"); + e_dbg("Could not write PHY the HV address register\n"); goto out; } @@ -2883,7 +3111,7 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset, ret_val = e1000e_write_phy_reg_mdic(hw, data_reg, *data); if (ret_val) { - hw_dbg(hw, "Could not read data value from HV data register\n"); + e_dbg("Could not read data value from HV data register\n"); goto out; } @@ -2911,12 +3139,12 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw) goto out; /* Do not apply workaround if in PHY loopback bit 14 set */ - hw->phy.ops.read_phy_reg(hw, PHY_CONTROL, &data); + hw->phy.ops.read_reg(hw, PHY_CONTROL, &data); if (data & PHY_CONTROL_LB) goto out; /* check if link is up and at 1Gbps */ - ret_val = hw->phy.ops.read_phy_reg(hw, BM_CS_STATUS, &data); + ret_val = hw->phy.ops.read_reg(hw, BM_CS_STATUS, &data); if (ret_val) goto out; @@ -2932,13 +3160,13 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw) mdelay(200); /* flush the packets in the fifo buffer */ - ret_val = hw->phy.ops.write_phy_reg(hw, HV_MUX_DATA_CTRL, + ret_val = hw->phy.ops.write_reg(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC | HV_MUX_DATA_CTRL_FORCE_SPEED); if (ret_val) goto out; - ret_val = hw->phy.ops.write_phy_reg(hw, HV_MUX_DATA_CTRL, + ret_val = hw->phy.ops.write_reg(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC); out: @@ -2959,7 +3187,7 @@ s32 e1000_check_polarity_82577(struct e1000_hw *hw) s32 ret_val; u16 data; - ret_val = phy->ops.read_phy_reg(hw, I82577_PHY_STATUS_2, &data); + ret_val = phy->ops.read_reg(hw, I82577_PHY_STATUS_2, &data); if (!ret_val) phy->cable_polarity = (data & I82577_PHY_STATUS2_REV_POLARITY) @@ -2984,13 +3212,13 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw) u16 phy_data; bool link; - ret_val = phy->ops.read_phy_reg(hw, PHY_CONTROL, &phy_data); + ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data); if (ret_val) goto out; e1000e_phy_force_speed_duplex_setup(hw, &phy_data); - ret_val = phy->ops.write_phy_reg(hw, PHY_CONTROL, phy_data); + ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data); if (ret_val) goto out; @@ -2998,23 +3226,23 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw) * Clear Auto-Crossover to force MDI manually. 82577 requires MDI * forced whenever speed and duplex are forced. */ - ret_val = phy->ops.read_phy_reg(hw, I82577_PHY_CTRL_2, &phy_data); + ret_val = phy->ops.read_reg(hw, I82577_PHY_CTRL_2, &phy_data); if (ret_val) goto out; phy_data &= ~I82577_PHY_CTRL2_AUTO_MDIX; phy_data &= ~I82577_PHY_CTRL2_FORCE_MDI_MDIX; - ret_val = phy->ops.write_phy_reg(hw, I82577_PHY_CTRL_2, phy_data); + ret_val = phy->ops.write_reg(hw, I82577_PHY_CTRL_2, phy_data); if (ret_val) goto out; - hw_dbg(hw, "I82577_PHY_CTRL_2: %X\n", phy_data); + e_dbg("I82577_PHY_CTRL_2: %X\n", phy_data); udelay(1); if (phy->autoneg_wait_to_complete) { - hw_dbg(hw, "Waiting for forced speed/duplex link on 82577 phy\n"); + e_dbg("Waiting for forced speed/duplex link on 82577 phy\n"); ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, @@ -3024,7 +3252,7 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw) goto out; if (!link) - hw_dbg(hw, "Link taking longer than expected.\n"); + e_dbg("Link taking longer than expected.\n"); /* Try once more */ ret_val = e1000e_phy_has_link_generic(hw, @@ -3060,7 +3288,7 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw) goto out; if (!link) { - hw_dbg(hw, "Phy info is only valid if link is up\n"); + e_dbg("Phy info is only valid if link is up\n"); ret_val = -E1000_ERR_CONFIG; goto out; } @@ -3071,7 +3299,7 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw) if (ret_val) goto out; - ret_val = phy->ops.read_phy_reg(hw, I82577_PHY_STATUS_2, &data); + ret_val = phy->ops.read_reg(hw, I82577_PHY_STATUS_2, &data); if (ret_val) goto out; @@ -3083,7 +3311,7 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw) if (ret_val) goto out; - ret_val = phy->ops.read_phy_reg(hw, PHY_1000T_STATUS, &data); + ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data); if (ret_val) goto out; @@ -3117,7 +3345,7 @@ s32 e1000_get_cable_length_82577(struct e1000_hw *hw) s32 ret_val; u16 phy_data, length; - ret_val = phy->ops.read_phy_reg(hw, I82577_PHY_DIAG_STATUS, &phy_data); + ret_val = phy->ops.read_reg(hw, I82577_PHY_DIAG_STATUS, &phy_data); if (ret_val) goto out; @@ -3125,7 +3353,7 @@ s32 e1000_get_cable_length_82577(struct e1000_hw *hw) I82577_DSTATUS_CABLE_LENGTH_SHIFT; if (length == E1000_CABLE_LENGTH_UNDEFINED) - ret_val = E1000_ERR_PHY; + ret_val = -E1000_ERR_PHY; phy->cable_length = length; |