| /* |
| * Broadcom BCM7xxx internal transceivers support. |
| * |
| * Copyright (C) 2014-2017 Broadcom |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/phy.h> |
| #include <linux/delay.h> |
| #include "bcm-phy-lib.h" |
| #include <linux/bitops.h> |
| #include <linux/brcmphy.h> |
| #include <linux/mdio.h> |
| |
| /* Broadcom BCM7xxx internal PHY registers */ |
| |
| /* EPHY only register definitions */ |
| #define MII_BCM7XXX_100TX_AUX_CTL 0x10 |
| #define MII_BCM7XXX_100TX_FALSE_CAR 0x13 |
| #define MII_BCM7XXX_100TX_DISC 0x14 |
| #define MII_BCM7XXX_AUX_MODE 0x1d |
| #define MII_BCM7XXX_64CLK_MDIO BIT(12) |
| #define MII_BCM7XXX_TEST 0x1f |
| #define MII_BCM7XXX_SHD_MODE_2 BIT(2) |
| #define MII_BCM7XXX_SHD_2_ADDR_CTRL 0xe |
| #define MII_BCM7XXX_SHD_2_CTRL_STAT 0xf |
| #define MII_BCM7XXX_SHD_2_BIAS_TRIM 0x1a |
| #define MII_BCM7XXX_SHD_3_AN_EEE_ADV 0x3 |
| #define MII_BCM7XXX_SHD_3_PCS_CTRL_2 0x6 |
| #define MII_BCM7XXX_PCS_CTRL_2_DEF 0x4400 |
| #define MII_BCM7XXX_SHD_3_AN_STAT 0xb |
| #define MII_BCM7XXX_AN_NULL_MSG_EN BIT(0) |
| #define MII_BCM7XXX_AN_EEE_EN BIT(1) |
| #define MII_BCM7XXX_SHD_3_EEE_THRESH 0xe |
| #define MII_BCM7XXX_EEE_THRESH_DEF 0x50 |
| #define MII_BCM7XXX_SHD_3_TL4 0x23 |
| #define MII_BCM7XXX_TL4_RST_MSK (BIT(2) | BIT(1)) |
| |
| /* 28nm only register definitions */ |
| #define MISC_ADDR(base, channel) base, channel |
| |
| #define DSP_TAP10 MISC_ADDR(0x0a, 0) |
| #define PLL_PLLCTRL_1 MISC_ADDR(0x32, 1) |
| #define PLL_PLLCTRL_2 MISC_ADDR(0x32, 2) |
| #define PLL_PLLCTRL_4 MISC_ADDR(0x33, 0) |
| |
| #define AFE_RXCONFIG_0 MISC_ADDR(0x38, 0) |
| #define AFE_RXCONFIG_1 MISC_ADDR(0x38, 1) |
| #define AFE_RXCONFIG_2 MISC_ADDR(0x38, 2) |
| #define AFE_RX_LP_COUNTER MISC_ADDR(0x38, 3) |
| #define AFE_TX_CONFIG MISC_ADDR(0x39, 0) |
| #define AFE_VDCA_ICTRL_0 MISC_ADDR(0x39, 1) |
| #define AFE_VDAC_OTHERS_0 MISC_ADDR(0x39, 3) |
| #define AFE_HPF_TRIM_OTHERS MISC_ADDR(0x3a, 0) |
| |
| struct bcm7xxx_phy_priv { |
| u64 *stats; |
| }; |
| |
| static void r_rc_cal_reset(struct phy_device *phydev) |
| { |
| /* Reset R_CAL/RC_CAL Engine */ |
| bcm_phy_write_exp(phydev, 0x00b0, 0x0010); |
| |
| /* Disable Reset R_AL/RC_CAL Engine */ |
| bcm_phy_write_exp(phydev, 0x00b0, 0x0000); |
| } |
| |
| static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev) |
| { |
| /* Increase VCO range to prevent unlocking problem of PLL at low |
| * temp |
| */ |
| bcm_phy_write_misc(phydev, PLL_PLLCTRL_1, 0x0048); |
| |
| /* Change Ki to 011 */ |
| bcm_phy_write_misc(phydev, PLL_PLLCTRL_2, 0x021b); |
| |
| /* Disable loading of TVCO buffer to bandgap, set bandgap trim |
| * to 111 |
| */ |
| bcm_phy_write_misc(phydev, PLL_PLLCTRL_4, 0x0e20); |
| |
| /* Adjust bias current trim by -3 */ |
| bcm_phy_write_misc(phydev, DSP_TAP10, 0x690b); |
| |
| /* Switch to CORE_BASE1E */ |
| phy_write(phydev, MII_BRCM_CORE_BASE1E, 0xd); |
| |
| r_rc_cal_reset(phydev); |
| |
| /* write AFE_RXCONFIG_0 */ |
| bcm_phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb19); |
| |
| /* write AFE_RXCONFIG_1 */ |
| bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9a3f); |
| |
| /* write AFE_RX_LP_COUNTER */ |
| bcm_phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0); |
| |
| /* write AFE_HPF_TRIM_OTHERS */ |
| bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x000b); |
| |
| /* write AFTE_TX_CONFIG */ |
| bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x0800); |
| |
| return 0; |
| } |
| |
| static int bcm7xxx_28nm_d0_afe_config_init(struct phy_device *phydev) |
| { |
| /* AFE_RXCONFIG_0 */ |
| bcm_phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb15); |
| |
| /* AFE_RXCONFIG_1 */ |
| bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9b2f); |
| |
| /* AFE_RXCONFIG_2, set rCal offset for HT=0 code and LT=-2 code */ |
| bcm_phy_write_misc(phydev, AFE_RXCONFIG_2, 0x2003); |
| |
| /* AFE_RX_LP_COUNTER, set RX bandwidth to maximum */ |
| bcm_phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0); |
| |
| /* AFE_TX_CONFIG, set 100BT Cfeed=011 to improve rise/fall time */ |
| bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x431); |
| |
| /* AFE_VDCA_ICTRL_0, set Iq=1101 instead of 0111 for AB symmetry */ |
| bcm_phy_write_misc(phydev, AFE_VDCA_ICTRL_0, 0xa7da); |
| |
| /* AFE_VDAC_OTHERS_0, set 1000BT Cidac=010 for all ports */ |
| bcm_phy_write_misc(phydev, AFE_VDAC_OTHERS_0, 0xa020); |
| |
| /* AFE_HPF_TRIM_OTHERS, set 100Tx/10BT to -4.5% swing and set rCal |
| * offset for HT=0 code |
| */ |
| bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x00e3); |
| |
| /* CORE_BASE1E, force trim to overwrite and set I_ext trim to 0000 */ |
| phy_write(phydev, MII_BRCM_CORE_BASE1E, 0x0010); |
| |
| /* DSP_TAP10, adjust bias current trim (+0% swing, +0 tick) */ |
| bcm_phy_write_misc(phydev, DSP_TAP10, 0x011b); |
| |
| /* Reset R_CAL/RC_CAL engine */ |
| r_rc_cal_reset(phydev); |
| |
| return 0; |
| } |
| |
| static int bcm7xxx_28nm_e0_plus_afe_config_init(struct phy_device *phydev) |
| { |
| /* AFE_RXCONFIG_1, provide more margin for INL/DNL measurement */ |
| bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9b2f); |
| |
| /* AFE_TX_CONFIG, set 100BT Cfeed=011 to improve rise/fall time */ |
| bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x431); |
| |
| /* AFE_VDCA_ICTRL_0, set Iq=1101 instead of 0111 for AB symmetry */ |
| bcm_phy_write_misc(phydev, AFE_VDCA_ICTRL_0, 0xa7da); |
| |
| /* AFE_HPF_TRIM_OTHERS, set 100Tx/10BT to -4.5% swing and set rCal |
| * offset for HT=0 code |
| */ |
| bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x00e3); |
| |
| /* CORE_BASE1E, force trim to overwrite and set I_ext trim to 0000 */ |
| phy_write(phydev, MII_BRCM_CORE_BASE1E, 0x0010); |
| |
| /* DSP_TAP10, adjust bias current trim (+0% swing, +0 tick) */ |
| bcm_phy_write_misc(phydev, DSP_TAP10, 0x011b); |
| |
| /* Reset R_CAL/RC_CAL engine */ |
| r_rc_cal_reset(phydev); |
| |
| return 0; |
| } |
| |
| static int bcm7xxx_28nm_a0_patch_afe_config_init(struct phy_device *phydev) |
| { |
| /* +1 RC_CAL codes for RL centering for both LT and HT conditions */ |
| bcm_phy_write_misc(phydev, AFE_RXCONFIG_2, 0xd003); |
| |
| /* Cut master bias current by 2% to compensate for RC_CAL offset */ |
| bcm_phy_write_misc(phydev, DSP_TAP10, 0x791b); |
| |
| /* Improve hybrid leakage */ |
| bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x10e3); |
| |
| /* Change rx_on_tune 8 to 0xf */ |
| bcm_phy_write_misc(phydev, 0x21, 0x2, 0x87f6); |
| |
| /* Change 100Tx EEE bandwidth */ |
| bcm_phy_write_misc(phydev, 0x22, 0x2, 0x017d); |
| |
| /* Enable ffe zero detection for Vitesse interoperability */ |
| bcm_phy_write_misc(phydev, 0x26, 0x2, 0x0015); |
| |
| r_rc_cal_reset(phydev); |
| |
| return 0; |
| } |
| |
| static int bcm7xxx_28nm_config_init(struct phy_device *phydev) |
| { |
| u8 rev = PHY_BRCM_7XXX_REV(phydev->dev_flags); |
| u8 patch = PHY_BRCM_7XXX_PATCH(phydev->dev_flags); |
| u8 count; |
| int ret = 0; |
| |
| /* Newer devices have moved the revision information back into a |
| * standard location in MII_PHYS_ID[23] |
| */ |
| if (rev == 0) |
| rev = phydev->phy_id & ~phydev->drv->phy_id_mask; |
| |
| pr_info_once("%s: %s PHY revision: 0x%02x, patch: %d\n", |
| phydev_name(phydev), phydev->drv->name, rev, patch); |
| |
| /* Dummy read to a register to workaround an issue upon reset where the |
| * internal inverter may not allow the first MDIO transaction to pass |
| * the MDIO management controller and make us return 0xffff for such |
| * reads. |
| */ |
| phy_read(phydev, MII_BMSR); |
| |
| switch (rev) { |
| case 0xb0: |
| ret = bcm7xxx_28nm_b0_afe_config_init(phydev); |
| break; |
| case 0xd0: |
| ret = bcm7xxx_28nm_d0_afe_config_init(phydev); |
| break; |
| case 0xe0: |
| case 0xf0: |
| /* Rev G0 introduces a roll over */ |
| case 0x10: |
| ret = bcm7xxx_28nm_e0_plus_afe_config_init(phydev); |
| break; |
| case 0x01: |
| ret = bcm7xxx_28nm_a0_patch_afe_config_init(phydev); |
| break; |
| default: |
| break; |
| } |
| |
| if (ret) |
| return ret; |
| |
| ret = bcm_phy_downshift_get(phydev, &count); |
| if (ret) |
| return ret; |
| |
| /* Only enable EEE if Wirespeed/downshift is disabled */ |
| ret = bcm_phy_set_eee(phydev, count == DOWNSHIFT_DEV_DISABLE); |
| if (ret) |
| return ret; |
| |
| return bcm_phy_enable_apd(phydev, true); |
| } |
| |
| static int bcm7xxx_28nm_resume(struct phy_device *phydev) |
| { |
| int ret; |
| |
| /* Re-apply workarounds coming out suspend/resume */ |
| ret = bcm7xxx_28nm_config_init(phydev); |
| if (ret) |
| return ret; |
| |
| /* 28nm Gigabit PHYs come out of reset without any half-duplex |
| * or "hub" compliant advertised mode, fix that. This does not |
| * cause any problems with the PHY library since genphy_config_aneg() |
| * gracefully handles auto-negotiated and forced modes. |
| */ |
| return genphy_config_aneg(phydev); |
| } |
| |
| static int phy_set_clr_bits(struct phy_device *dev, int location, |
| int set_mask, int clr_mask) |
| { |
| int v, ret; |
| |
| v = phy_read(dev, location); |
| if (v < 0) |
| return v; |
| |
| v &= ~clr_mask; |
| v |= set_mask; |
| |
| ret = phy_write(dev, location, v); |
| if (ret < 0) |
| return ret; |
| |
| return v; |
| } |
| |
| static int bcm7xxx_28nm_ephy_01_afe_config_init(struct phy_device *phydev) |
| { |
| int ret; |
| |
| /* set shadow mode 2 */ |
| ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, |
| MII_BCM7XXX_SHD_MODE_2, 0); |
| if (ret < 0) |
| return ret; |
| |
| /* Set current trim values INT_trim = -1, Ext_trim =0 */ |
| ret = phy_write(phydev, MII_BCM7XXX_SHD_2_BIAS_TRIM, 0x3BE0); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| |
| /* Cal reset */ |
| ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL, |
| MII_BCM7XXX_SHD_3_TL4); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| ret = phy_set_clr_bits(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT, |
| MII_BCM7XXX_TL4_RST_MSK, 0); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| |
| /* Cal reset disable */ |
| ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL, |
| MII_BCM7XXX_SHD_3_TL4); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| ret = phy_set_clr_bits(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT, |
| 0, MII_BCM7XXX_TL4_RST_MSK); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| |
| reset_shadow_mode: |
| /* reset shadow mode 2 */ |
| ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0, |
| MII_BCM7XXX_SHD_MODE_2); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| /* The 28nm EPHY does not support Clause 45 (MMD) used by bcm-phy-lib */ |
| static int bcm7xxx_28nm_ephy_apd_enable(struct phy_device *phydev) |
| { |
| int ret; |
| |
| /* set shadow mode 1 */ |
| ret = phy_set_clr_bits(phydev, MII_BRCM_FET_BRCMTEST, |
| MII_BRCM_FET_BT_SRE, 0); |
| if (ret < 0) |
| return ret; |
| |
| /* Enable auto-power down */ |
| ret = phy_set_clr_bits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2, |
| MII_BRCM_FET_SHDW_AS2_APDE, 0); |
| if (ret < 0) |
| return ret; |
| |
| /* reset shadow mode 1 */ |
| ret = phy_set_clr_bits(phydev, MII_BRCM_FET_BRCMTEST, 0, |
| MII_BRCM_FET_BT_SRE); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int bcm7xxx_28nm_ephy_eee_enable(struct phy_device *phydev) |
| { |
| int ret; |
| |
| /* set shadow mode 2 */ |
| ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, |
| MII_BCM7XXX_SHD_MODE_2, 0); |
| if (ret < 0) |
| return ret; |
| |
| /* Advertise supported modes */ |
| ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL, |
| MII_BCM7XXX_SHD_3_AN_EEE_ADV); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| ret = phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT, |
| MDIO_EEE_100TX); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| |
| /* Restore Defaults */ |
| ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL, |
| MII_BCM7XXX_SHD_3_PCS_CTRL_2); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| ret = phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT, |
| MII_BCM7XXX_PCS_CTRL_2_DEF); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| |
| ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL, |
| MII_BCM7XXX_SHD_3_EEE_THRESH); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| ret = phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT, |
| MII_BCM7XXX_EEE_THRESH_DEF); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| |
| /* Enable EEE autonegotiation */ |
| ret = phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL, |
| MII_BCM7XXX_SHD_3_AN_STAT); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| ret = phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT, |
| (MII_BCM7XXX_AN_NULL_MSG_EN | MII_BCM7XXX_AN_EEE_EN)); |
| if (ret < 0) |
| goto reset_shadow_mode; |
| |
| reset_shadow_mode: |
| /* reset shadow mode 2 */ |
| ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0, |
| MII_BCM7XXX_SHD_MODE_2); |
| if (ret < 0) |
| return ret; |
| |
| /* Restart autoneg */ |
| phy_write(phydev, MII_BMCR, |
| (BMCR_SPEED100 | BMCR_ANENABLE | BMCR_ANRESTART)); |
| |
| return 0; |
| } |
| |
| static int bcm7xxx_28nm_ephy_config_init(struct phy_device *phydev) |
| { |
| u8 rev = phydev->phy_id & ~phydev->drv->phy_id_mask; |
| int ret = 0; |
| |
| pr_info_once("%s: %s PHY revision: 0x%02x\n", |
| phydev_name(phydev), phydev->drv->name, rev); |
| |
| /* Dummy read to a register to workaround a possible issue upon reset |
| * where the internal inverter may not allow the first MDIO transaction |
| * to pass the MDIO management controller and make us return 0xffff for |
| * such reads. |
| */ |
| phy_read(phydev, MII_BMSR); |
| |
| /* Apply AFE software work-around if necessary */ |
| if (rev == 0x01) { |
| ret = bcm7xxx_28nm_ephy_01_afe_config_init(phydev); |
| if (ret) |
| return ret; |
| } |
| |
| ret = bcm7xxx_28nm_ephy_eee_enable(phydev); |
| if (ret) |
| return ret; |
| |
| return bcm7xxx_28nm_ephy_apd_enable(phydev); |
| } |
| |
| static int bcm7xxx_28nm_ephy_resume(struct phy_device *phydev) |
| { |
| int ret; |
| |
| /* Re-apply workarounds coming out suspend/resume */ |
| ret = bcm7xxx_28nm_ephy_config_init(phydev); |
| if (ret) |
| return ret; |
| |
| return genphy_config_aneg(phydev); |
| } |
| |
| static int bcm7xxx_config_init(struct phy_device *phydev) |
| { |
| int ret; |
| |
| /* Enable 64 clock MDIO */ |
| phy_write(phydev, MII_BCM7XXX_AUX_MODE, MII_BCM7XXX_64CLK_MDIO); |
| phy_read(phydev, MII_BCM7XXX_AUX_MODE); |
| |
| /* set shadow mode 2 */ |
| ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, |
| MII_BCM7XXX_SHD_MODE_2, MII_BCM7XXX_SHD_MODE_2); |
| if (ret < 0) |
| return ret; |
| |
| /* set iddq_clkbias */ |
| phy_write(phydev, MII_BCM7XXX_100TX_DISC, 0x0F00); |
| udelay(10); |
| |
| /* reset iddq_clkbias */ |
| phy_write(phydev, MII_BCM7XXX_100TX_DISC, 0x0C00); |
| |
| phy_write(phydev, MII_BCM7XXX_100TX_FALSE_CAR, 0x7555); |
| |
| /* reset shadow mode 2 */ |
| ret = phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0, MII_BCM7XXX_SHD_MODE_2); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| /* Workaround for putting the PHY in IDDQ mode, required |
| * for all BCM7XXX 40nm and 65nm PHYs |
| */ |
| static int bcm7xxx_suspend(struct phy_device *phydev) |
| { |
| int ret; |
| static const struct bcm7xxx_regs { |
| int reg; |
| u16 value; |
| } bcm7xxx_suspend_cfg[] = { |
| { MII_BCM7XXX_TEST, 0x008b }, |
| { MII_BCM7XXX_100TX_AUX_CTL, 0x01c0 }, |
| { MII_BCM7XXX_100TX_DISC, 0x7000 }, |
| { MII_BCM7XXX_TEST, 0x000f }, |
| { MII_BCM7XXX_100TX_AUX_CTL, 0x20d0 }, |
| { MII_BCM7XXX_TEST, 0x000b }, |
| }; |
| unsigned int i; |
| |
| for (i = 0; i < ARRAY_SIZE(bcm7xxx_suspend_cfg); i++) { |
| ret = phy_write(phydev, |
| bcm7xxx_suspend_cfg[i].reg, |
| bcm7xxx_suspend_cfg[i].value); |
| if (ret) |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static int bcm7xxx_28nm_get_tunable(struct phy_device *phydev, |
| struct ethtool_tunable *tuna, |
| void *data) |
| { |
| switch (tuna->id) { |
| case ETHTOOL_PHY_DOWNSHIFT: |
| return bcm_phy_downshift_get(phydev, (u8 *)data); |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| static int bcm7xxx_28nm_set_tunable(struct phy_device *phydev, |
| struct ethtool_tunable *tuna, |
| const void *data) |
| { |
| u8 count = *(u8 *)data; |
| int ret; |
| |
| switch (tuna->id) { |
| case ETHTOOL_PHY_DOWNSHIFT: |
| ret = bcm_phy_downshift_set(phydev, count); |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| if (ret) |
| return ret; |
| |
| /* Disable EEE advertisment since this prevents the PHY |
| * from successfully linking up, trigger auto-negotiation restart |
| * to let the MAC decide what to do. |
| */ |
| ret = bcm_phy_set_eee(phydev, count == DOWNSHIFT_DEV_DISABLE); |
| if (ret) |
| return ret; |
| |
| return genphy_restart_aneg(phydev); |
| } |
| |
| static void bcm7xxx_28nm_get_phy_stats(struct phy_device *phydev, |
| struct ethtool_stats *stats, u64 *data) |
| { |
| struct bcm7xxx_phy_priv *priv = phydev->priv; |
| |
| bcm_phy_get_stats(phydev, priv->stats, stats, data); |
| } |
| |
| static int bcm7xxx_28nm_probe(struct phy_device *phydev) |
| { |
| struct bcm7xxx_phy_priv *priv; |
| |
| priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL); |
| if (!priv) |
| return -ENOMEM; |
| |
| phydev->priv = priv; |
| |
| priv->stats = devm_kcalloc(&phydev->mdio.dev, |
| bcm_phy_get_sset_count(phydev), sizeof(u64), |
| GFP_KERNEL); |
| if (!priv->stats) |
| return -ENOMEM; |
| |
| return 0; |
| } |
| |
| #define BCM7XXX_28NM_GPHY(_oui, _name) \ |
| { \ |
| .phy_id = (_oui), \ |
| .phy_id_mask = 0xfffffff0, \ |
| .name = _name, \ |
| .features = PHY_GBIT_FEATURES, \ |
| .flags = PHY_IS_INTERNAL, \ |
| .config_init = bcm7xxx_28nm_config_init, \ |
| .resume = bcm7xxx_28nm_resume, \ |
| .get_tunable = bcm7xxx_28nm_get_tunable, \ |
| .set_tunable = bcm7xxx_28nm_set_tunable, \ |
| .get_sset_count = bcm_phy_get_sset_count, \ |
| .get_strings = bcm_phy_get_strings, \ |
| .get_stats = bcm7xxx_28nm_get_phy_stats, \ |
| .probe = bcm7xxx_28nm_probe, \ |
| } |
| |
| #define BCM7XXX_28NM_EPHY(_oui, _name) \ |
| { \ |
| .phy_id = (_oui), \ |
| .phy_id_mask = 0xfffffff0, \ |
| .name = _name, \ |
| .features = PHY_BASIC_FEATURES, \ |
| .flags = PHY_IS_INTERNAL, \ |
| .config_init = bcm7xxx_28nm_ephy_config_init, \ |
| .resume = bcm7xxx_28nm_ephy_resume, \ |
| .get_sset_count = bcm_phy_get_sset_count, \ |
| .get_strings = bcm_phy_get_strings, \ |
| .get_stats = bcm7xxx_28nm_get_phy_stats, \ |
| .probe = bcm7xxx_28nm_probe, \ |
| } |
| |
| #define BCM7XXX_40NM_EPHY(_oui, _name) \ |
| { \ |
| .phy_id = (_oui), \ |
| .phy_id_mask = 0xfffffff0, \ |
| .name = _name, \ |
| .features = PHY_BASIC_FEATURES, \ |
| .flags = PHY_IS_INTERNAL, \ |
| .config_init = bcm7xxx_config_init, \ |
| .suspend = bcm7xxx_suspend, \ |
| .resume = bcm7xxx_config_init, \ |
| } |
| |
| static struct phy_driver bcm7xxx_driver[] = { |
| BCM7XXX_28NM_GPHY(PHY_ID_BCM7250, "Broadcom BCM7250"), |
| BCM7XXX_28NM_EPHY(PHY_ID_BCM7260, "Broadcom BCM7260"), |
| BCM7XXX_28NM_EPHY(PHY_ID_BCM7268, "Broadcom BCM7268"), |
| BCM7XXX_28NM_EPHY(PHY_ID_BCM7271, "Broadcom BCM7271"), |
| BCM7XXX_28NM_GPHY(PHY_ID_BCM7278, "Broadcom BCM7278"), |
| BCM7XXX_28NM_GPHY(PHY_ID_BCM7364, "Broadcom BCM7364"), |
| BCM7XXX_28NM_GPHY(PHY_ID_BCM7366, "Broadcom BCM7366"), |
| BCM7XXX_28NM_GPHY(PHY_ID_BCM74371, "Broadcom BCM74371"), |
| BCM7XXX_28NM_GPHY(PHY_ID_BCM7439, "Broadcom BCM7439"), |
| BCM7XXX_28NM_GPHY(PHY_ID_BCM7439_2, "Broadcom BCM7439 (2)"), |
| BCM7XXX_28NM_GPHY(PHY_ID_BCM7445, "Broadcom BCM7445"), |
| BCM7XXX_40NM_EPHY(PHY_ID_BCM7346, "Broadcom BCM7346"), |
| BCM7XXX_40NM_EPHY(PHY_ID_BCM7362, "Broadcom BCM7362"), |
| BCM7XXX_40NM_EPHY(PHY_ID_BCM7425, "Broadcom BCM7425"), |
| BCM7XXX_40NM_EPHY(PHY_ID_BCM7429, "Broadcom BCM7429"), |
| BCM7XXX_40NM_EPHY(PHY_ID_BCM7435, "Broadcom BCM7435"), |
| }; |
| |
| static struct mdio_device_id __maybe_unused bcm7xxx_tbl[] = { |
| { PHY_ID_BCM7250, 0xfffffff0, }, |
| { PHY_ID_BCM7260, 0xfffffff0, }, |
| { PHY_ID_BCM7268, 0xfffffff0, }, |
| { PHY_ID_BCM7271, 0xfffffff0, }, |
| { PHY_ID_BCM7278, 0xfffffff0, }, |
| { PHY_ID_BCM7364, 0xfffffff0, }, |
| { PHY_ID_BCM7366, 0xfffffff0, }, |
| { PHY_ID_BCM7346, 0xfffffff0, }, |
| { PHY_ID_BCM7362, 0xfffffff0, }, |
| { PHY_ID_BCM7425, 0xfffffff0, }, |
| { PHY_ID_BCM7429, 0xfffffff0, }, |
| { PHY_ID_BCM74371, 0xfffffff0, }, |
| { PHY_ID_BCM7439, 0xfffffff0, }, |
| { PHY_ID_BCM7435, 0xfffffff0, }, |
| { PHY_ID_BCM7445, 0xfffffff0, }, |
| { } |
| }; |
| |
| module_phy_driver(bcm7xxx_driver); |
| |
| MODULE_DEVICE_TABLE(mdio, bcm7xxx_tbl); |
| |
| MODULE_DESCRIPTION("Broadcom BCM7xxx internal PHY driver"); |
| MODULE_LICENSE("GPL"); |
| MODULE_AUTHOR("Broadcom Corporation"); |