int bcm_phy_set_eee(struct phy_device *phydev, bool enable)
{
int val;
/* Enable EEE at PHY level */
val = phy_read_mmd(phydev, MDIO_MMD_AN, BRCM_CL45VEN_EEE_CONTROL);
if (val < 0)
return val;
if (enable)
val |= LPI_FEATURE_EN | LPI_FEATURE_EN_DIG1000X;
else
val &= ~(LPI_FEATURE_EN | LPI_FEATURE_EN_DIG1000X);
phy_write_mmd(phydev, MDIO_MMD_AN, BRCM_CL45VEN_EEE_CONTROL, (u32)val);
/* Advertise EEE */
val = phy_read_mmd(phydev, MDIO_MMD_AN, BCM_CL45VEN_EEE_ADV);
if (val < 0)
return val;
if (enable)
val |= (MDIO_EEE_100TX | MDIO_EEE_1000T);
else
val &= ~(MDIO_EEE_100TX | MDIO_EEE_1000T);
phy_write_mmd(phydev, MDIO_MMD_AN, BCM_CL45VEN_EEE_ADV, (u32)val);
return 0;
}
static int amd_xgbe_phy_soft_reset(struct phy_device *phydev)
{
int count, ret;
ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_CTRL1);
if (ret < 0)
return ret;
ret |= MDIO_CTRL1_RESET;
phy_write_mmd(phydev, MDIO_MMD_PCS, MDIO_CTRL1, ret);
count = 50;
do {
msleep(20);
ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_CTRL1);
if (ret < 0)
return ret;
} while ((ret & MDIO_CTRL1_RESET) && --count);
if (ret & MDIO_CTRL1_RESET)
return -ETIMEDOUT;
/* Disable auto-negotiation for now */
ret = amd_xgbe_phy_disable_an(phydev);
if (ret < 0)
return ret;
/* Clear auto-negotiation interrupts */
phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_INT, 0);
return 0;
}
static void dp83822_get_wol(struct phy_device *phydev,
struct ethtool_wolinfo *wol)
{
int value;
u16 sopass_val;
wol->supported = (WAKE_MAGIC | WAKE_MAGICSECURE);
wol->wolopts = 0;
value = phy_read_mmd(phydev, DP83822_DEVADDR, MII_DP83822_WOL_CFG);
if (value & DP83822_WOL_MAGIC_EN)
wol->wolopts |= WAKE_MAGIC;
if (value & DP83822_WOL_SECURE_ON) {
sopass_val = phy_read_mmd(phydev, DP83822_DEVADDR,
MII_DP83822_RXSOP1);
wol->sopass[0] = (sopass_val & 0xff);
wol->sopass[1] = (sopass_val >> 8);
sopass_val = phy_read_mmd(phydev, DP83822_DEVADDR,
MII_DP83822_RXSOP2);
wol->sopass[2] = (sopass_val & 0xff);
wol->sopass[3] = (sopass_val >> 8);
sopass_val = phy_read_mmd(phydev, DP83822_DEVADDR,
MII_DP83822_RXSOP3);
wol->sopass[4] = (sopass_val & 0xff);
wol->sopass[5] = (sopass_val >> 8);
wol->wolopts |= WAKE_MAGICSECURE;
}
static int amd_xgbe_phy_update_link(struct phy_device *phydev)
{
struct amd_xgbe_phy_priv *priv = phydev->priv;
int ret;
/* If we're doing auto-negotiation don't report link down */
if (priv->an_state != AMD_XGBE_AN_READY) {
phydev->link = 1;
return 0;
}
/* Link status is latched low, so read once to clear
* and then read again to get current state
*/
ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_STAT1);
if (ret < 0)
return ret;
ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_STAT1);
if (ret < 0)
return ret;
phydev->link = (ret & MDIO_STAT1_LSTATUS) ? 1 : 0;
return 0;
}
static enum amd_xgbe_phy_an amd_xgbe_an_rx_bpa(struct phy_device *phydev,
enum amd_xgbe_phy_rx *state)
{
unsigned int link_support;
int ret, ad_reg, lp_reg;
/* Read Base Ability register 2 first */
ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_LPA + 1);
if (ret < 0)
return AMD_XGBE_AN_ERROR;
/* Check for a supported mode, otherwise restart in a different one */
link_support = amd_xgbe_phy_in_kr_mode(phydev) ? 0x80 : 0x20;
if (!(ret & link_support))
return AMD_XGBE_AN_INCOMPAT_LINK;
/* Check Extended Next Page support */
ad_reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE);
if (ad_reg < 0)
return AMD_XGBE_AN_ERROR;
lp_reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_LPA);
if (lp_reg < 0)
return AMD_XGBE_AN_ERROR;
return ((ad_reg & XNP_NP_EXCHANGE) || (lp_reg & XNP_NP_EXCHANGE)) ?
amd_xgbe_an_tx_xnp(phydev, state) :
amd_xgbe_an_tx_training(phydev, state);
}
static int dp83822_set_wol(struct phy_device *phydev,
struct ethtool_wolinfo *wol)
{
struct net_device *ndev = phydev->attached_dev;
u16 value;
const u8 *mac;
if (wol->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE)) {
mac = (const u8 *)ndev->dev_addr;
if (!is_valid_ether_addr(mac))
return -EINVAL;
/* MAC addresses start with byte 5, but stored in mac[0].
* 822 PHYs store bytes 4|5, 2|3, 0|1
*/
phy_write_mmd(phydev, DP83822_DEVADDR, MII_DP83822_WOL_DA1,
(mac[1] << 8) | mac[0]);
phy_write_mmd(phydev, DP83822_DEVADDR, MII_DP83822_WOL_DA2,
(mac[3] << 8) | mac[2]);
phy_write_mmd(phydev, DP83822_DEVADDR, MII_DP83822_WOL_DA3,
(mac[5] << 8) | mac[4]);
value = phy_read_mmd(phydev, DP83822_DEVADDR,
MII_DP83822_WOL_CFG);
if (wol->wolopts & WAKE_MAGIC)
value |= DP83822_WOL_MAGIC_EN;
else
value &= ~DP83822_WOL_MAGIC_EN;
if (wol->wolopts & WAKE_MAGICSECURE) {
phy_write_mmd(phydev, DP83822_DEVADDR,
MII_DP83822_RXSOP1,
(wol->sopass[1] << 8) | wol->sopass[0]);
phy_write_mmd(phydev, DP83822_DEVADDR,
MII_DP83822_RXSOP2,
(wol->sopass[3] << 8) | wol->sopass[2]);
phy_write_mmd(phydev, DP83822_DEVADDR,
MII_DP83822_RXSOP3,
(wol->sopass[5] << 8) | wol->sopass[4]);
value |= DP83822_WOL_SECURE_ON;
} else {
value &= ~DP83822_WOL_SECURE_ON;
}
value |= (DP83822_WOL_EN | DP83822_WOL_INDICATION_SEL |
DP83822_WOL_CLR_INDICATION);
phy_write_mmd(phydev, DP83822_DEVADDR, MII_DP83822_WOL_CFG,
value);
} else {
value = phy_read_mmd(phydev, DP83822_DEVADDR,
MII_DP83822_WOL_CFG);
value &= ~DP83822_WOL_EN;
phy_write_mmd(phydev, DP83822_DEVADDR, MII_DP83822_WOL_CFG,
value);
}
return 0;
}
static int amd_xgbe_an_init(struct phy_device *phydev)
{
int ret;
/* Set up Advertisement register 3 first */
ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2);
if (ret < 0)
return ret;
if (phydev->supported & SUPPORTED_10000baseR_FEC)
ret |= 0xc000;
else
ret &= ~0xc000;
phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2, ret);
/* Set up Advertisement register 2 next */
ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1);
if (ret < 0)
return ret;
if (phydev->supported & SUPPORTED_10000baseKR_Full)
ret |= 0x80;
else
ret &= ~0x80;
if ((phydev->supported & SUPPORTED_1000baseKX_Full) ||
(phydev->supported & SUPPORTED_2500baseX_Full))
ret |= 0x20;
else
ret &= ~0x20;
phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1, ret);
/* Set up Advertisement register 1 last */
ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE);
if (ret < 0)
return ret;
if (phydev->supported & SUPPORTED_Pause)
ret |= 0x400;
else
ret &= ~0x400;
if (phydev->supported & SUPPORTED_Asym_Pause)
ret |= 0x800;
else
ret &= ~0x800;
/* We don't intend to perform XNP */
ret &= ~XNP_NP_EXCHANGE;
phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE, ret);
return 0;
}
/**
* genphy_c45_setup_forced - configures a forced speed
* @phydev: target phy_device struct
*/
int genphy_c45_pma_setup_forced(struct phy_device *phydev)
{
int ctrl1, ctrl2, ret;
/* Half duplex is not supported */
if (phydev->duplex != DUPLEX_FULL)
return -EINVAL;
ctrl1 = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_CTRL1);
if (ctrl1 < 0)
return ctrl1;
ctrl2 = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_CTRL2);
if (ctrl2 < 0)
return ctrl2;
ctrl1 &= ~MDIO_CTRL1_SPEEDSEL;
/*
* PMA/PMD type selection is 1.7.5:0 not 1.7.3:0. See 45.2.1.6.1
* in 802.3-2012 and 802.3-2015.
*/
ctrl2 &= ~(MDIO_PMA_CTRL2_TYPE | 0x30);
switch (phydev->speed) {
case SPEED_10:
ctrl2 |= MDIO_PMA_CTRL2_10BT;
break;
case SPEED_100:
ctrl1 |= MDIO_PMA_CTRL1_SPEED100;
ctrl2 |= MDIO_PMA_CTRL2_100BTX;
break;
case SPEED_1000:
ctrl1 |= MDIO_PMA_CTRL1_SPEED1000;
/* Assume 1000base-T */
ctrl2 |= MDIO_PMA_CTRL2_1000BT;
break;
case SPEED_10000:
ctrl1 |= MDIO_CTRL1_SPEED10G;
/* Assume 10Gbase-T */
ctrl2 |= MDIO_PMA_CTRL2_10GBT;
break;
default:
return -EINVAL;
}
ret = phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_CTRL1, ctrl1);
if (ret < 0)
return ret;
return phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_CTRL2, ctrl2);
}
static int amd_xgbe_phy_gmii_mode(struct phy_device *phydev)
{
struct amd_xgbe_phy_priv *priv = phydev->priv;
int ret;
/* Disable KR training */
ret = amd_xgbe_an_disable_kr_training(phydev);
if (ret < 0)
return ret;
/* Set PCS to KX/1G speed */
ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_CTRL2);
if (ret < 0)
return ret;
ret &= ~MDIO_PCS_CTRL2_TYPE;
ret |= MDIO_PCS_CTRL2_10GBX;
phy_write_mmd(phydev, MDIO_MMD_PCS, MDIO_CTRL2, ret);
ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_CTRL1);
if (ret < 0)
return ret;
ret &= ~MDIO_CTRL1_SPEEDSEL;
ret |= MDIO_CTRL1_SPEED1G;
phy_write_mmd(phydev, MDIO_MMD_PCS, MDIO_CTRL1, ret);
ret = amd_xgbe_phy_pcs_power_cycle(phydev);
if (ret < 0)
return ret;
/* Set SerDes to 1G speed */
amd_xgbe_phy_serdes_start_ratechange(phydev);
XSIR1_IOWRITE_BITS(priv, SIR1_SPEED, DATARATE, SPEED_1000_RATE);
XSIR1_IOWRITE_BITS(priv, SIR1_SPEED, WORDMODE, SPEED_1000_WORD);
XSIR1_IOWRITE_BITS(priv, SIR1_SPEED, PLLSEL, SPEED_1000_PLL);
XSIR1_IOWRITE_BITS(priv, SIR1_SPEED, CDR_RATE,
priv->serdes_cdr_rate[XGBE_PHY_SPEED_1000]);
XSIR1_IOWRITE_BITS(priv, SIR1_SPEED, TXAMP,
priv->serdes_tx_amp[XGBE_PHY_SPEED_1000]);
XRXTX_IOWRITE_BITS(priv, RXTX_REG20, BLWC_ENA,
priv->serdes_blwc[XGBE_PHY_SPEED_1000]);
XRXTX_IOWRITE_BITS(priv, RXTX_REG114, PQ_REG,
priv->serdes_pq_skew[XGBE_PHY_SPEED_1000]);
amd_xgbe_phy_serdes_complete_ratechange(phydev);
return 0;
}
static enum amd_xgbe_phy_an amd_xgbe_an_tx_training(struct phy_device *phydev,
enum amd_xgbe_phy_rx *state)
{
struct amd_xgbe_phy_priv *priv = phydev->priv;
int ad_reg, lp_reg, ret;
*state = AMD_XGBE_RX_COMPLETE;
/* If we're not in KR mode then we're done */
if (!amd_xgbe_phy_in_kr_mode(phydev))
return AMD_XGBE_AN_PAGE_RECEIVED;
/* Enable/Disable FEC */
ad_reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2);
if (ad_reg < 0)
return AMD_XGBE_AN_ERROR;
lp_reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_LPA + 2);
if (lp_reg < 0)
return AMD_XGBE_AN_ERROR;
ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_FEC_CTRL);
if (ret < 0)
return AMD_XGBE_AN_ERROR;
ret &= ~XGBE_PHY_FEC_MASK;
if ((ad_reg & 0xc000) && (lp_reg & 0xc000))
ret |= priv->fec_ability;
phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_FEC_CTRL, ret);
/* Start KR training */
ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL);
if (ret < 0)
return AMD_XGBE_AN_ERROR;
if (ret & XGBE_PHY_KR_TRAINING_ENABLE) {
XSIR0_IOWRITE_BITS(priv, SIR0_KR_RT_1, RESET, 1);
ret |= XGBE_PHY_KR_TRAINING_START;
phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL,
ret);
XSIR0_IOWRITE_BITS(priv, SIR0_KR_RT_1, RESET, 0);
}
return AMD_XGBE_AN_PAGE_RECEIVED;
}
static int teranetics_aneg_done(struct phy_device *phydev)
{
int reg;
reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_STAT1);
return (reg < 0) ? reg : (reg & BMSR_ANEGCOMPLETE);
}
/**
* genphy_c45_read_pma - read link speed etc from PMA
* @phydev: target phy_device struct
*/
int genphy_c45_read_pma(struct phy_device *phydev)
{
int val;
val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_CTRL1);
if (val < 0)
return val;
switch (val & MDIO_CTRL1_SPEEDSEL) {
case 0:
phydev->speed = SPEED_10;
break;
case MDIO_PMA_CTRL1_SPEED100:
phydev->speed = SPEED_100;
break;
case MDIO_PMA_CTRL1_SPEED1000:
phydev->speed = SPEED_1000;
break;
case MDIO_CTRL1_SPEED10G:
phydev->speed = SPEED_10000;
break;
default:
phydev->speed = SPEED_UNKNOWN;
break;
}
phydev->duplex = DUPLEX_FULL;
return 0;
}
/**
* genphy_c45_read_mdix - read mdix status from PMA
* @phydev: target phy_device struct
*/
int genphy_c45_read_mdix(struct phy_device *phydev)
{
int val;
if (phydev->speed == SPEED_10000) {
val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD,
MDIO_PMA_10GBT_SWAPPOL);
if (val < 0)
return val;
switch (val) {
case MDIO_PMA_10GBT_SWAPPOL_ABNX | MDIO_PMA_10GBT_SWAPPOL_CDNX:
phydev->mdix = ETH_TP_MDI;
break;
case 0:
phydev->mdix = ETH_TP_MDI_X;
break;
default:
phydev->mdix = ETH_TP_MDI_INVALID;
break;
}
}
return 0;
}
static int aqr_ack_interrupt(struct phy_device *phydev)
{
int reg;
reg = phy_read_mmd(phydev, MDIO_MMD_AN,
MDIO_AN_TX_VEND_INT_STATUS2);
return (reg < 0) ? reg : 0;
}
static enum amd_xgbe_phy_an amd_xgbe_an_rx_xnp(struct phy_device *phydev,
enum amd_xgbe_phy_rx *state)
{
int ad_reg, lp_reg;
/* Check Extended Next Page support */
ad_reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_XNP);
if (ad_reg < 0)
return AMD_XGBE_AN_ERROR;
lp_reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_LPX);
if (lp_reg < 0)
return AMD_XGBE_AN_ERROR;
return ((ad_reg & XNP_NP_EXCHANGE) || (lp_reg & XNP_NP_EXCHANGE)) ?
amd_xgbe_an_tx_xnp(phydev, state) :
amd_xgbe_an_tx_training(phydev, state);
}
static void aqr107_link_change_notify(struct phy_device *phydev)
{
u8 fw_major, fw_minor;
bool downshift, short_reach, afr;
int mode, val;
if (phydev->state != PHY_RUNNING || phydev->autoneg == AUTONEG_DISABLE)
return;
val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_RX_LP_STAT1);
/* call failed or link partner is no Aquantia PHY */
if (val < 0 || !(val & MDIO_AN_RX_LP_STAT1_AQ_PHY))
return;
short_reach = val & MDIO_AN_RX_LP_STAT1_SHORT_REACH;
downshift = val & MDIO_AN_RX_LP_STAT1_AQRATE_DOWNSHIFT;
val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_RX_LP_STAT4);
if (val < 0)
return;
fw_major = FIELD_GET(MDIO_AN_RX_LP_STAT4_FW_MAJOR, val);
fw_minor = FIELD_GET(MDIO_AN_RX_LP_STAT4_FW_MINOR, val);
val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_RX_VEND_STAT3);
if (val < 0)
return;
afr = val & MDIO_AN_RX_VEND_STAT3_AFR;
phydev_dbg(phydev, "Link partner is Aquantia PHY, FW %u.%u%s%s%s\n",
fw_major, fw_minor,
short_reach ? ", short reach mode" : "",
downshift ? ", fast-retrain downshift advertised" : "",
afr ? ", fast reframe advertised" : "");
val = phy_read_mmd(phydev, MDIO_MMD_VEND1, VEND1_GLOBAL_RSVD_STAT9);
if (val < 0)
return;
mode = FIELD_GET(VEND1_GLOBAL_RSVD_STAT9_MODE, val);
if (mode == VEND1_GLOBAL_RSVD_STAT9_1000BT2)
phydev_info(phydev, "Aquantia 1000Base-T2 mode active\n");
}
static int aqr107_read_downshift_event(struct phy_device *phydev)
{
int val;
val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_TX_VEND_INT_STATUS1);
if (val < 0)
return val;
return !!(val & MDIO_AN_TX_VEND_INT_STATUS1_DOWNSHIFT);
}
/**
* genphy_c45_restart_aneg - Enable and restart auto-negotiation
* @phydev: target phy_device struct
*
* This assumes that the auto-negotiation MMD is present.
*
* Enable and restart auto-negotiation.
*/
int genphy_c45_restart_aneg(struct phy_device *phydev)
{
int val;
val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_CTRL1);
if (val < 0)
return val;
val |= MDIO_AN_CTRL1_ENABLE | MDIO_AN_CTRL1_RESTART;
return phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_CTRL1, val);
}
/**
* genphy_c45_an_disable_aneg - disable auto-negotiation
* @phydev: target phy_device struct
*
* Disable auto-negotiation in the Clause 45 PHY. The link parameters
* parameters are controlled through the PMA/PMD MMD registers.
*
* Returns zero on success, negative errno code on failure.
*/
int genphy_c45_an_disable_aneg(struct phy_device *phydev)
{
int val;
val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_CTRL1);
if (val < 0)
return val;
val &= ~(MDIO_AN_CTRL1_ENABLE | MDIO_AN_CTRL1_RESTART);
return phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_CTRL1, val);
}
static int amd_xgbe_an_disable_kr_training(struct phy_device *phydev)
{
int ret;
ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL);
if (ret < 0)
return ret;
ret &= ~XGBE_PHY_KR_TRAINING_ENABLE;
phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL, ret);
return 0;
}
static int mv3310_aneg_done(struct phy_device *phydev)
{
int val;
val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_R + MDIO_STAT1);
if (val < 0)
return val;
if (val & MDIO_STAT1_LSTATUS)
return 1;
return genphy_c45_aneg_done(phydev);
}
static void aqr107_chip_info(struct phy_device *phydev)
{
u8 fw_major, fw_minor, build_id, prov_id;
int val;
val = phy_read_mmd(phydev, MDIO_MMD_VEND1, VEND1_GLOBAL_FW_ID);
if (val < 0)
return;
fw_major = FIELD_GET(VEND1_GLOBAL_FW_ID_MAJOR, val);
fw_minor = FIELD_GET(VEND1_GLOBAL_FW_ID_MINOR, val);
val = phy_read_mmd(phydev, MDIO_MMD_VEND1, VEND1_GLOBAL_RSVD_STAT1);
if (val < 0)
return;
build_id = FIELD_GET(VEND1_GLOBAL_RSVD_STAT1_FW_BUILD_ID, val);
prov_id = FIELD_GET(VEND1_GLOBAL_RSVD_STAT1_PROV_ID, val);
phydev_dbg(phydev, "FW %u.%u, Build %u, Provisioning %u\n",
fw_major, fw_minor, build_id, prov_id);
}
/* If we configure settings whilst firmware is still initializing the chip,
* then these settings may be overwritten. Therefore make sure chip
* initialization has completed. Use presence of the firmware ID as
* indicator for initialization having completed.
* The chip also provides a "reset completed" bit, but it's cleared after
* read. Therefore function would time out if called again.
*/
static int aqr107_wait_reset_complete(struct phy_device *phydev)
{
int val, retries = 100;
do {
val = phy_read_mmd(phydev, MDIO_MMD_VEND1, VEND1_GLOBAL_FW_ID);
if (val < 0)
return val;
msleep(20);
} while (!val && --retries);
return val ? 0 : -ETIMEDOUT;
}
/**
* genphy_c45_read_lpa - read the link partner advertisment and pause
* @phydev: target phy_device struct
*
* Read the Clause 45 defined base (7.19) and 10G (7.33) status registers,
* filling in the link partner advertisment, pause and asym_pause members
* in @phydev. This assumes that the auto-negotiation MMD is present, and
* the backplane bit (7.48.0) is clear. Clause 45 PHY drivers are expected
* to fill in the remainder of the link partner advert from vendor registers.
*/
int genphy_c45_read_lpa(struct phy_device *phydev)
{
int val;
/* Read the link partner's base page advertisment */
val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_LPA);
if (val < 0)
return val;
phydev->lp_advertising = mii_lpa_to_ethtool_lpa_t(val);
phydev->pause = val & LPA_PAUSE_CAP ? 1 : 0;
phydev->asym_pause = val & LPA_PAUSE_ASYM ? 1 : 0;
/* Read the link partner's 10G advertisment */
val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_STAT);
if (val < 0)
return val;
if (val & MDIO_AN_10GBT_STAT_LP10G)
phydev->lp_advertising |= ADVERTISED_10000baseT_Full;
return 0;
}
static u64 aqr107_get_stat(struct phy_device *phydev, int index)
{
const struct aqr107_hw_stat *stat = aqr107_hw_stats + index;
int len_l = min(stat->size, 16);
int len_h = stat->size - len_l;
u64 ret;
int val;
val = phy_read_mmd(phydev, MDIO_MMD_C22EXT, stat->reg);
if (val < 0)
return U64_MAX;
ret = val & GENMASK(len_l - 1, 0);
if (len_h) {
val = phy_read_mmd(phydev, MDIO_MMD_C22EXT, stat->reg + 1);
if (val < 0)
return U64_MAX;
ret += (val & GENMASK(len_h - 1, 0)) << 16;
}
return ret;
}
static int aqr107_get_downshift(struct phy_device *phydev, u8 *data)
{
int val, cnt, enable;
val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_VEND_PROV);
if (val < 0)
return val;
enable = FIELD_GET(MDIO_AN_VEND_PROV_DOWNSHIFT_EN, val);
cnt = FIELD_GET(MDIO_AN_VEND_PROV_DOWNSHIFT_MASK, val);
*data = enable && cnt ? cnt : DOWNSHIFT_DEV_DISABLE;
return 0;
}
static int teranetics_read_status(struct phy_device *phydev)
{
int reg;
phydev->link = 1;
phydev->speed = SPEED_10000;
phydev->duplex = DUPLEX_FULL;
if (!phy_read_mmd(phydev, MDIO_MMD_VEND1, 93)) {
reg = phy_read_mmd(phydev, MDIO_MMD_PHYXS, MDIO_PHYXS_LNSTAT);
if (reg < 0 ||
!((reg & MDIO_PHYXS_LANE_READY) == MDIO_PHYXS_LANE_READY)) {
phydev->link = 0;
return 0;
}
reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_STAT1);
if (reg < 0 || !(reg & MDIO_STAT1_LSTATUS))
phydev->link = 0;
}
return 0;
}
static int amd_xgbe_phy_cur_mode(struct phy_device *phydev,
enum amd_xgbe_phy_mode *mode)
{
int ret;
ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_CTRL2);
if (ret < 0)
return ret;
if ((ret & MDIO_PCS_CTRL2_TYPE) == MDIO_PCS_CTRL2_10GBR)
*mode = AMD_XGBE_MODE_KR;
else
*mode = AMD_XGBE_MODE_KX;
return 0;
}
static int mv3310_modify(struct phy_device *phydev, int devad, u16 reg,
u16 mask, u16 bits)
{
int old, val, ret;
old = phy_read_mmd(phydev, devad, reg);
if (old < 0)
return old;
val = (old & ~mask) | (bits & mask);
if (val == old)
return 0;
ret = phy_write_mmd(phydev, devad, reg, val);
return ret < 0 ? ret : 1;
}
static int dp83867_config_port_mirroring(struct phy_device *phydev)
{
struct dp83867_private *dp83867 =
(struct dp83867_private *)phydev->priv;
u16 val;
val = phy_read_mmd(phydev, DP83867_DEVADDR, DP83867_CFG4);
if (dp83867->port_mirroring == DP83867_PORT_MIRROING_EN)
val |= DP83867_CFG4_PORT_MIRROR_EN;
else
val &= ~DP83867_CFG4_PORT_MIRROR_EN;
phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_CFG4, val);
return 0;
}