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path: root/drivers/net/ethernet/atheros/alx/hw.c
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Diffstat (limited to 'drivers/net/ethernet/atheros/alx/hw.c')
-rw-r--r--drivers/net/ethernet/atheros/alx/hw.c212
1 files changed, 19 insertions, 193 deletions
diff --git a/drivers/net/ethernet/atheros/alx/hw.c b/drivers/net/ethernet/atheros/alx/hw.c
index 220a16ad0e4..1e8c24a3cb4 100644
--- a/drivers/net/ethernet/atheros/alx/hw.c
+++ b/drivers/net/ethernet/atheros/alx/hw.c
@@ -282,8 +282,8 @@ static bool alx_read_macaddr(struct alx_hw *hw, u8 *addr)
mac1 = alx_read_mem32(hw, ALX_STAD1);
/* addr should be big-endian */
- *(__be32 *)(addr + 2) = cpu_to_be32(mac0);
- *(__be16 *)addr = cpu_to_be16(mac1);
+ put_unaligned(cpu_to_be32(mac0), (__be32 *)(addr + 2));
+ put_unaligned(cpu_to_be16(mac1), (__be16 *)addr);
return is_valid_ether_addr(addr);
}
@@ -326,22 +326,12 @@ void alx_set_macaddr(struct alx_hw *hw, const u8 *addr)
u32 val;
/* for example: 00-0B-6A-F6-00-DC * STAD0=6AF600DC, STAD1=000B */
- val = be32_to_cpu(*(__be32 *)(addr + 2));
+ val = be32_to_cpu(get_unaligned((__be32 *)(addr + 2)));
alx_write_mem32(hw, ALX_STAD0, val);
- val = be16_to_cpu(*(__be16 *)addr);
+ val = be16_to_cpu(get_unaligned((__be16 *)addr));
alx_write_mem32(hw, ALX_STAD1, val);
}
-static void alx_enable_osc(struct alx_hw *hw)
-{
- u32 val;
-
- /* rising edge */
- val = alx_read_mem32(hw, ALX_MISC);
- alx_write_mem32(hw, ALX_MISC, val & ~ALX_MISC_INTNLOSC_OPEN);
- alx_write_mem32(hw, ALX_MISC, val | ALX_MISC_INTNLOSC_OPEN);
-}
-
static void alx_reset_osc(struct alx_hw *hw, u8 rev)
{
u32 val, val2;
@@ -624,12 +614,12 @@ void alx_start_mac(struct alx_hw *hw)
alx_write_mem32(hw, ALX_TXQ0, txq | ALX_TXQ0_EN);
mac = hw->rx_ctrl;
- if (hw->link_speed % 10 == DUPLEX_FULL)
+ if (hw->duplex == DUPLEX_FULL)
mac |= ALX_MAC_CTRL_FULLD;
else
mac &= ~ALX_MAC_CTRL_FULLD;
ALX_SET_FIELD(mac, ALX_MAC_CTRL_SPEED,
- hw->link_speed >= SPEED_1000 ? ALX_MAC_CTRL_SPEED_1000 :
+ hw->link_speed == SPEED_1000 ? ALX_MAC_CTRL_SPEED_1000 :
ALX_MAC_CTRL_SPEED_10_100);
mac |= ALX_MAC_CTRL_TX_EN | ALX_MAC_CTRL_RX_EN;
hw->rx_ctrl = mac;
@@ -790,28 +780,22 @@ void alx_post_phy_link(struct alx_hw *hw)
u16 phy_val, len, agc;
u8 revid = alx_hw_revision(hw);
bool adj_th = revid == ALX_REV_B0;
- int speed;
-
- if (hw->link_speed == SPEED_UNKNOWN)
- speed = SPEED_UNKNOWN;
- else
- speed = hw->link_speed - hw->link_speed % 10;
if (revid != ALX_REV_B0 && !alx_is_rev_a(revid))
return;
/* 1000BT/AZ, wrong cable length */
- if (speed != SPEED_UNKNOWN) {
+ if (hw->link_speed != SPEED_UNKNOWN) {
alx_read_phy_ext(hw, ALX_MIIEXT_PCS, ALX_MIIEXT_CLDCTRL6,
&phy_val);
len = ALX_GET_FIELD(phy_val, ALX_CLDCTRL6_CAB_LEN);
alx_read_phy_dbg(hw, ALX_MIIDBG_AGC, &phy_val);
agc = ALX_GET_FIELD(phy_val, ALX_AGC_2_VGA);
- if ((speed == SPEED_1000 &&
+ if ((hw->link_speed == SPEED_1000 &&
(len > ALX_CLDCTRL6_CAB_LEN_SHORT1G ||
(len == 0 && agc > ALX_AGC_LONG1G_LIMT))) ||
- (speed == SPEED_100 &&
+ (hw->link_speed == SPEED_100 &&
(len > ALX_CLDCTRL6_CAB_LEN_SHORT100M ||
(len == 0 && agc > ALX_AGC_LONG100M_LIMT)))) {
alx_write_phy_dbg(hw, ALX_MIIDBG_AZ_ANADECT,
@@ -831,10 +815,10 @@ void alx_post_phy_link(struct alx_hw *hw)
/* threshold adjust */
if (adj_th && hw->lnk_patch) {
- if (speed == SPEED_100) {
+ if (hw->link_speed == SPEED_100) {
alx_write_phy_dbg(hw, ALX_MIIDBG_MSE16DB,
ALX_MSE16DB_UP);
- } else if (speed == SPEED_1000) {
+ } else if (hw->link_speed == SPEED_1000) {
/*
* Giga link threshold, raise the tolerance of
* noise 50%
@@ -864,66 +848,6 @@ void alx_post_phy_link(struct alx_hw *hw)
}
}
-
-/* NOTE:
- * 1. phy link must be established before calling this function
- * 2. wol option (pattern,magic,link,etc.) is configed before call it.
- */
-int alx_pre_suspend(struct alx_hw *hw, int speed)
-{
- u32 master, mac, phy, val;
- int err = 0;
-
- master = alx_read_mem32(hw, ALX_MASTER);
- master &= ~ALX_MASTER_PCLKSEL_SRDS;
- mac = hw->rx_ctrl;
- /* 10/100 half */
- ALX_SET_FIELD(mac, ALX_MAC_CTRL_SPEED, ALX_MAC_CTRL_SPEED_10_100);
- mac &= ~(ALX_MAC_CTRL_FULLD | ALX_MAC_CTRL_RX_EN | ALX_MAC_CTRL_TX_EN);
-
- phy = alx_read_mem32(hw, ALX_PHY_CTRL);
- phy &= ~(ALX_PHY_CTRL_DSPRST_OUT | ALX_PHY_CTRL_CLS);
- phy |= ALX_PHY_CTRL_RST_ANALOG | ALX_PHY_CTRL_HIB_PULSE |
- ALX_PHY_CTRL_HIB_EN;
-
- /* without any activity */
- if (!(hw->sleep_ctrl & ALX_SLEEP_ACTIVE)) {
- err = alx_write_phy_reg(hw, ALX_MII_IER, 0);
- if (err)
- return err;
- phy |= ALX_PHY_CTRL_IDDQ | ALX_PHY_CTRL_POWER_DOWN;
- } else {
- if (hw->sleep_ctrl & (ALX_SLEEP_WOL_MAGIC | ALX_SLEEP_CIFS))
- mac |= ALX_MAC_CTRL_RX_EN | ALX_MAC_CTRL_BRD_EN;
- if (hw->sleep_ctrl & ALX_SLEEP_CIFS)
- mac |= ALX_MAC_CTRL_TX_EN;
- if (speed % 10 == DUPLEX_FULL)
- mac |= ALX_MAC_CTRL_FULLD;
- if (speed >= SPEED_1000)
- ALX_SET_FIELD(mac, ALX_MAC_CTRL_SPEED,
- ALX_MAC_CTRL_SPEED_1000);
- phy |= ALX_PHY_CTRL_DSPRST_OUT;
- err = alx_write_phy_ext(hw, ALX_MIIEXT_ANEG,
- ALX_MIIEXT_S3DIG10,
- ALX_MIIEXT_S3DIG10_SL);
- if (err)
- return err;
- }
-
- alx_enable_osc(hw);
- hw->rx_ctrl = mac;
- alx_write_mem32(hw, ALX_MASTER, master);
- alx_write_mem32(hw, ALX_MAC_CTRL, mac);
- alx_write_mem32(hw, ALX_PHY_CTRL, phy);
-
- /* set val of PDLL D3PLLOFF */
- val = alx_read_mem32(hw, ALX_PDLL_TRNS1);
- val |= ALX_PDLL_TRNS1_D3PLLOFF_EN;
- alx_write_mem32(hw, ALX_PDLL_TRNS1, val);
-
- return 0;
-}
-
bool alx_phy_configured(struct alx_hw *hw)
{
u32 cfg, hw_cfg;
@@ -938,7 +862,7 @@ bool alx_phy_configured(struct alx_hw *hw)
return cfg == hw_cfg;
}
-int alx_get_phy_link(struct alx_hw *hw, int *speed)
+int alx_read_phy_link(struct alx_hw *hw)
{
struct pci_dev *pdev = hw->pdev;
u16 bmsr, giga;
@@ -953,7 +877,8 @@ int alx_get_phy_link(struct alx_hw *hw, int *speed)
return err;
if (!(bmsr & BMSR_LSTATUS)) {
- *speed = SPEED_UNKNOWN;
+ hw->link_speed = SPEED_UNKNOWN;
+ hw->duplex = DUPLEX_UNKNOWN;
return 0;
}
@@ -967,20 +892,20 @@ int alx_get_phy_link(struct alx_hw *hw, int *speed)
switch (giga & ALX_GIGA_PSSR_SPEED) {
case ALX_GIGA_PSSR_1000MBS:
- *speed = SPEED_1000;
+ hw->link_speed = SPEED_1000;
break;
case ALX_GIGA_PSSR_100MBS:
- *speed = SPEED_100;
+ hw->link_speed = SPEED_100;
break;
case ALX_GIGA_PSSR_10MBS:
- *speed = SPEED_10;
+ hw->link_speed = SPEED_10;
break;
default:
goto wrong_speed;
}
- *speed += (giga & ALX_GIGA_PSSR_DPLX) ? DUPLEX_FULL : DUPLEX_HALF;
- return 1;
+ hw->duplex = (giga & ALX_GIGA_PSSR_DPLX) ? DUPLEX_FULL : DUPLEX_HALF;
+ return 0;
wrong_speed:
dev_err(&pdev->dev, "invalid PHY speed/duplex: 0x%x\n", giga);
@@ -995,26 +920,6 @@ int alx_clear_phy_intr(struct alx_hw *hw)
return alx_read_phy_reg(hw, ALX_MII_ISR, &isr);
}
-int alx_config_wol(struct alx_hw *hw)
-{
- u32 wol = 0;
- int err = 0;
-
- /* turn on magic packet event */
- if (hw->sleep_ctrl & ALX_SLEEP_WOL_MAGIC)
- wol |= ALX_WOL0_MAGIC_EN | ALX_WOL0_PME_MAGIC_EN;
-
- /* turn on link up event */
- if (hw->sleep_ctrl & ALX_SLEEP_WOL_PHY) {
- wol |= ALX_WOL0_LINK_EN | ALX_WOL0_PME_LINK;
- /* only link up can wake up */
- err = alx_write_phy_reg(hw, ALX_MII_IER, ALX_IER_LINK_UP);
- }
- alx_write_mem32(hw, ALX_WOL0, wol);
-
- return err;
-}
-
void alx_disable_rss(struct alx_hw *hw)
{
u32 ctrl = alx_read_mem32(hw, ALX_RXQ0);
@@ -1126,85 +1031,6 @@ void alx_configure_basic(struct alx_hw *hw)
alx_write_mem32(hw, ALX_WRR, val);
}
-static inline u32 alx_speed_to_ethadv(int speed)
-{
- switch (speed) {
- case SPEED_1000 + DUPLEX_FULL:
- return ADVERTISED_1000baseT_Full;
- case SPEED_100 + DUPLEX_FULL:
- return ADVERTISED_100baseT_Full;
- case SPEED_100 + DUPLEX_HALF:
- return ADVERTISED_10baseT_Half;
- case SPEED_10 + DUPLEX_FULL:
- return ADVERTISED_10baseT_Full;
- case SPEED_10 + DUPLEX_HALF:
- return ADVERTISED_10baseT_Half;
- default:
- return 0;
- }
-}
-
-int alx_select_powersaving_speed(struct alx_hw *hw, int *speed)
-{
- int i, err, spd;
- u16 lpa;
-
- err = alx_get_phy_link(hw, &spd);
- if (err < 0)
- return err;
-
- if (spd == SPEED_UNKNOWN)
- return 0;
-
- err = alx_read_phy_reg(hw, MII_LPA, &lpa);
- if (err)
- return err;
-
- if (!(lpa & LPA_LPACK)) {
- *speed = spd;
- return 0;
- }
-
- if (lpa & LPA_10FULL)
- *speed = SPEED_10 + DUPLEX_FULL;
- else if (lpa & LPA_10HALF)
- *speed = SPEED_10 + DUPLEX_HALF;
- else if (lpa & LPA_100FULL)
- *speed = SPEED_100 + DUPLEX_FULL;
- else
- *speed = SPEED_100 + DUPLEX_HALF;
-
- if (*speed != spd) {
- err = alx_write_phy_reg(hw, ALX_MII_IER, 0);
- if (err)
- return err;
- err = alx_setup_speed_duplex(hw,
- alx_speed_to_ethadv(*speed) |
- ADVERTISED_Autoneg,
- ALX_FC_ANEG | ALX_FC_RX |
- ALX_FC_TX);
- if (err)
- return err;
-
- /* wait for linkup */
- for (i = 0; i < ALX_MAX_SETUP_LNK_CYCLE; i++) {
- int speed2;
-
- msleep(100);
-
- err = alx_get_phy_link(hw, &speed2);
- if (err < 0)
- return err;
- if (speed2 != SPEED_UNKNOWN)
- break;
- }
- if (i == ALX_MAX_SETUP_LNK_CYCLE)
- return -ETIMEDOUT;
- }
-
- return 0;
-}
-
bool alx_get_phy_info(struct alx_hw *hw)
{
u16 devs1, devs2;