/*
- * Copyright (c) 2005-2007 Chelsio, Inc. All rights reserved.
+ * Copyright (c) 2005-2008 Chelsio, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
/* VSC8211 PHY specific registers. */
enum {
+ VSC8211_SIGDET_CTRL = 19,
+ VSC8211_EXT_CTRL = 23,
VSC8211_INTR_ENABLE = 25,
VSC8211_INTR_STATUS = 26,
+ VSC8211_LED_CTRL = 27,
VSC8211_AUX_CTRL_STAT = 28,
+ VSC8211_EXT_PAGE_AXS = 31,
};
enum {
VSC_INTR_RX_ERR = 1 << 0,
- VSC_INTR_MS_ERR = 1 << 1, /* master/slave resolution error */
- VSC_INTR_CABLE = 1 << 2, /* cable impairment */
- VSC_INTR_FALSE_CARR = 1 << 3, /* false carrier */
- VSC_INTR_MEDIA_CHG = 1 << 4, /* AMS media change */
- VSC_INTR_RX_FIFO = 1 << 5, /* Rx FIFO over/underflow */
- VSC_INTR_TX_FIFO = 1 << 6, /* Tx FIFO over/underflow */
- VSC_INTR_DESCRAMBL = 1 << 7, /* descrambler lock-lost */
- VSC_INTR_SYMBOL_ERR = 1 << 8, /* symbol error */
- VSC_INTR_NEG_DONE = 1 << 10, /* autoneg done */
- VSC_INTR_NEG_ERR = 1 << 11, /* autoneg error */
- VSC_INTR_LINK_CHG = 1 << 13, /* link change */
- VSC_INTR_ENABLE = 1 << 15, /* interrupt enable */
+ VSC_INTR_MS_ERR = 1 << 1, /* master/slave resolution error */
+ VSC_INTR_CABLE = 1 << 2, /* cable impairment */
+ VSC_INTR_FALSE_CARR = 1 << 3, /* false carrier */
+ VSC_INTR_MEDIA_CHG = 1 << 4, /* AMS media change */
+ VSC_INTR_RX_FIFO = 1 << 5, /* Rx FIFO over/underflow */
+ VSC_INTR_TX_FIFO = 1 << 6, /* Tx FIFO over/underflow */
+ VSC_INTR_DESCRAMBL = 1 << 7, /* descrambler lock-lost */
+ VSC_INTR_SYMBOL_ERR = 1 << 8, /* symbol error */
+ VSC_INTR_NEG_DONE = 1 << 10, /* autoneg done */
+ VSC_INTR_NEG_ERR = 1 << 11, /* autoneg error */
+ VSC_INTR_DPLX_CHG = 1 << 12, /* duplex change */
+ VSC_INTR_LINK_CHG = 1 << 13, /* link change */
+ VSC_INTR_SPD_CHG = 1 << 14, /* speed change */
+ VSC_INTR_ENABLE = 1 << 15, /* interrupt enable */
+};
+
+enum {
+ VSC_CTRL_CLAUSE37_VIEW = 1 << 4, /* Switch to Clause 37 view */
+ VSC_CTRL_MEDIA_MODE_HI = 0xf000 /* High part of media mode select */
};
#define CFG_CHG_INTR_MASK (VSC_INTR_LINK_CHG | VSC_INTR_NEG_ERR | \
+ VSC_INTR_DPLX_CHG | VSC_INTR_SPD_CHG | \
VSC_INTR_NEG_DONE)
#define INTR_MASK (CFG_CHG_INTR_MASK | VSC_INTR_TX_FIFO | VSC_INTR_RX_FIFO | \
VSC_INTR_ENABLE)
*/
static int vsc8211_reset(struct cphy *cphy, int wait)
{
- return t3_phy_reset(cphy, 0, 0);
+ return t3_phy_reset(cphy, MDIO_DEVAD_NONE, 0);
}
static int vsc8211_intr_enable(struct cphy *cphy)
{
- return mdio_write(cphy, 0, VSC8211_INTR_ENABLE, INTR_MASK);
+ return t3_mdio_write(cphy, MDIO_DEVAD_NONE, VSC8211_INTR_ENABLE,
+ INTR_MASK);
}
static int vsc8211_intr_disable(struct cphy *cphy)
{
- return mdio_write(cphy, 0, VSC8211_INTR_ENABLE, 0);
+ return t3_mdio_write(cphy, MDIO_DEVAD_NONE, VSC8211_INTR_ENABLE, 0);
}
static int vsc8211_intr_clear(struct cphy *cphy)
u32 val;
/* Clear PHY interrupts by reading the register. */
- return mdio_read(cphy, 0, VSC8211_INTR_STATUS, &val);
+ return t3_mdio_read(cphy, MDIO_DEVAD_NONE, VSC8211_INTR_STATUS, &val);
}
static int vsc8211_autoneg_enable(struct cphy *cphy)
{
- return t3_mdio_change_bits(cphy, 0, MII_BMCR, BMCR_PDOWN | BMCR_ISOLATE,
+ return t3_mdio_change_bits(cphy, MDIO_DEVAD_NONE, MII_BMCR,
+ BMCR_PDOWN | BMCR_ISOLATE,
BMCR_ANENABLE | BMCR_ANRESTART);
}
static int vsc8211_autoneg_restart(struct cphy *cphy)
{
- return t3_mdio_change_bits(cphy, 0, MII_BMCR, BMCR_PDOWN | BMCR_ISOLATE,
+ return t3_mdio_change_bits(cphy, MDIO_DEVAD_NONE, MII_BMCR,
+ BMCR_PDOWN | BMCR_ISOLATE,
BMCR_ANRESTART);
}
unsigned int bmcr, status, lpa, adv;
int err, sp = -1, dplx = -1, pause = 0;
- err = mdio_read(cphy, 0, MII_BMCR, &bmcr);
+ err = t3_mdio_read(cphy, MDIO_DEVAD_NONE, MII_BMCR, &bmcr);
if (!err)
- err = mdio_read(cphy, 0, MII_BMSR, &status);
+ err = t3_mdio_read(cphy, MDIO_DEVAD_NONE, MII_BMSR, &status);
if (err)
return err;
* once more to get the current link state.
*/
if (!(status & BMSR_LSTATUS))
- err = mdio_read(cphy, 0, MII_BMSR, &status);
+ err = t3_mdio_read(cphy, MDIO_DEVAD_NONE, MII_BMSR,
+ &status);
if (err)
return err;
*link_ok = (status & BMSR_LSTATUS) != 0;
else
sp = SPEED_10;
} else if (status & BMSR_ANEGCOMPLETE) {
- err = mdio_read(cphy, 0, VSC8211_AUX_CTRL_STAT, &status);
+ err = t3_mdio_read(cphy, MDIO_DEVAD_NONE, VSC8211_AUX_CTRL_STAT,
+ &status);
if (err)
return err;
sp = SPEED_1000;
if (fc && dplx == DUPLEX_FULL) {
- err = mdio_read(cphy, 0, MII_LPA, &lpa);
+ err = t3_mdio_read(cphy, MDIO_DEVAD_NONE, MII_LPA,
+ &lpa);
if (!err)
- err = mdio_read(cphy, 0, MII_ADVERTISE, &adv);
+ err = t3_mdio_read(cphy, MDIO_DEVAD_NONE,
+ MII_ADVERTISE, &adv);
if (err)
return err;
return 0;
}
+static int vsc8211_get_link_status_fiber(struct cphy *cphy, int *link_ok,
+ int *speed, int *duplex, int *fc)
+{
+ unsigned int bmcr, status, lpa, adv;
+ int err, sp = -1, dplx = -1, pause = 0;
+
+ err = t3_mdio_read(cphy, MDIO_DEVAD_NONE, MII_BMCR, &bmcr);
+ if (!err)
+ err = t3_mdio_read(cphy, MDIO_DEVAD_NONE, MII_BMSR, &status);
+ if (err)
+ return err;
+
+ if (link_ok) {
+ /*
+ * BMSR_LSTATUS is latch-low, so if it is 0 we need to read it
+ * once more to get the current link state.
+ */
+ if (!(status & BMSR_LSTATUS))
+ err = t3_mdio_read(cphy, MDIO_DEVAD_NONE, MII_BMSR,
+ &status);
+ if (err)
+ return err;
+ *link_ok = (status & BMSR_LSTATUS) != 0;
+ }
+ if (!(bmcr & BMCR_ANENABLE)) {
+ dplx = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF;
+ if (bmcr & BMCR_SPEED1000)
+ sp = SPEED_1000;
+ else if (bmcr & BMCR_SPEED100)
+ sp = SPEED_100;
+ else
+ sp = SPEED_10;
+ } else if (status & BMSR_ANEGCOMPLETE) {
+ err = t3_mdio_read(cphy, MDIO_DEVAD_NONE, MII_LPA, &lpa);
+ if (!err)
+ err = t3_mdio_read(cphy, MDIO_DEVAD_NONE, MII_ADVERTISE,
+ &adv);
+ if (err)
+ return err;
+
+ if (adv & lpa & ADVERTISE_1000XFULL) {
+ dplx = DUPLEX_FULL;
+ sp = SPEED_1000;
+ } else if (adv & lpa & ADVERTISE_1000XHALF) {
+ dplx = DUPLEX_HALF;
+ sp = SPEED_1000;
+ }
+
+ if (fc && dplx == DUPLEX_FULL) {
+ if (lpa & adv & ADVERTISE_1000XPAUSE)
+ pause = PAUSE_RX | PAUSE_TX;
+ else if ((lpa & ADVERTISE_1000XPAUSE) &&
+ (adv & lpa & ADVERTISE_1000XPSE_ASYM))
+ pause = PAUSE_TX;
+ else if ((lpa & ADVERTISE_1000XPSE_ASYM) &&
+ (adv & ADVERTISE_1000XPAUSE))
+ pause = PAUSE_RX;
+ }
+ }
+ if (speed)
+ *speed = sp;
+ if (duplex)
+ *duplex = dplx;
+ if (fc)
+ *fc = pause;
+ return 0;
+}
+
+#ifdef UNUSED
+/*
+ * Enable/disable auto MDI/MDI-X in forced link speed mode.
+ */
+static int vsc8211_set_automdi(struct cphy *phy, int enable)
+{
+ int err;
+
+ err = t3_mdio_write(phy, MDIO_DEVAD_NONE, VSC8211_EXT_PAGE_AXS, 0x52b5);
+ if (err)
+ return err;
+
+ err = t3_mdio_write(phy, MDIO_DEVAD_NONE, 18, 0x12);
+ if (err)
+ return err;
+
+ err = t3_mdio_write(phy, MDIO_DEVAD_NONE, 17, enable ? 0x2803 : 0x3003);
+ if (err)
+ return err;
+
+ err = t3_mdio_write(phy, MDIO_DEVAD_NONE, 16, 0x87fa);
+ if (err)
+ return err;
+
+ err = t3_mdio_write(phy, MDIO_DEVAD_NONE, VSC8211_EXT_PAGE_AXS, 0);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+int vsc8211_set_speed_duplex(struct cphy *phy, int speed, int duplex)
+{
+ int err;
+
+ err = t3_set_phy_speed_duplex(phy, speed, duplex);
+ if (!err)
+ err = vsc8211_set_automdi(phy, 1);
+ return err;
+}
+#endif /* UNUSED */
+
static int vsc8211_power_down(struct cphy *cphy, int enable)
{
return t3_mdio_change_bits(cphy, 0, MII_BMCR, BMCR_PDOWN,
unsigned int cause;
int err, cphy_cause = 0;
- err = mdio_read(cphy, 0, VSC8211_INTR_STATUS, &cause);
+ err = t3_mdio_read(cphy, MDIO_DEVAD_NONE, VSC8211_INTR_STATUS, &cause);
if (err)
return err;
.power_down = vsc8211_power_down,
};
-void t3_vsc8211_phy_prep(struct cphy *phy, struct adapter *adapter,
- int phy_addr, const struct mdio_ops *mdio_ops)
+static struct cphy_ops vsc8211_fiber_ops = {
+ .reset = vsc8211_reset,
+ .intr_enable = vsc8211_intr_enable,
+ .intr_disable = vsc8211_intr_disable,
+ .intr_clear = vsc8211_intr_clear,
+ .intr_handler = vsc8211_intr_handler,
+ .autoneg_enable = vsc8211_autoneg_enable,
+ .autoneg_restart = vsc8211_autoneg_restart,
+ .advertise = t3_phy_advertise_fiber,
+ .set_speed_duplex = t3_set_phy_speed_duplex,
+ .get_link_status = vsc8211_get_link_status_fiber,
+ .power_down = vsc8211_power_down,
+};
+
+int t3_vsc8211_phy_prep(struct cphy *phy, struct adapter *adapter,
+ int phy_addr, const struct mdio_ops *mdio_ops)
{
- cphy_init(phy, adapter, phy_addr, &vsc8211_ops, mdio_ops);
+ int err;
+ unsigned int val;
+
+ cphy_init(phy, adapter, phy_addr, &vsc8211_ops, mdio_ops,
+ SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_MII |
+ SUPPORTED_TP | SUPPORTED_IRQ, "10/100/1000BASE-T");
+ msleep(20); /* PHY needs ~10ms to start responding to MDIO */
+
+ err = t3_mdio_read(phy, MDIO_DEVAD_NONE, VSC8211_EXT_CTRL, &val);
+ if (err)
+ return err;
+ if (val & VSC_CTRL_MEDIA_MODE_HI) {
+ /* copper interface, just need to configure the LEDs */
+ return t3_mdio_write(phy, MDIO_DEVAD_NONE, VSC8211_LED_CTRL,
+ 0x100);
+ }
+
+ phy->caps = SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg |
+ SUPPORTED_MII | SUPPORTED_FIBRE | SUPPORTED_IRQ;
+ phy->desc = "1000BASE-X";
+ phy->ops = &vsc8211_fiber_ops;
+
+ err = t3_mdio_write(phy, MDIO_DEVAD_NONE, VSC8211_EXT_PAGE_AXS, 1);
+ if (err)
+ return err;
+
+ err = t3_mdio_write(phy, MDIO_DEVAD_NONE, VSC8211_SIGDET_CTRL, 1);
+ if (err)
+ return err;
+
+ err = t3_mdio_write(phy, MDIO_DEVAD_NONE, VSC8211_EXT_PAGE_AXS, 0);
+ if (err)
+ return err;
+
+ err = t3_mdio_write(phy, MDIO_DEVAD_NONE, VSC8211_EXT_CTRL,
+ val | VSC_CTRL_CLAUSE37_VIEW);
+ if (err)
+ return err;
+
+ err = vsc8211_reset(phy, 0);
+ if (err)
+ return err;
+
+ udelay(5); /* delay after reset before next SMI */
+ return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff