aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/cxgb3/vsc8211.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/cxgb3/vsc8211.c')
-rw-r--r--drivers/net/cxgb3/vsc8211.c416
1 files changed, 0 insertions, 416 deletions
diff --git a/drivers/net/cxgb3/vsc8211.c b/drivers/net/cxgb3/vsc8211.c
deleted file mode 100644
index 4f9a1c2724f..00000000000
--- a/drivers/net/cxgb3/vsc8211.c
+++ /dev/null
@@ -1,416 +0,0 @@
-/*
- * 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
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#include "common.h"
-
-/* 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_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)
-
-/* PHY specific auxiliary control & status register fields */
-#define S_ACSR_ACTIPHY_TMR 0
-#define M_ACSR_ACTIPHY_TMR 0x3
-#define V_ACSR_ACTIPHY_TMR(x) ((x) << S_ACSR_ACTIPHY_TMR)
-
-#define S_ACSR_SPEED 3
-#define M_ACSR_SPEED 0x3
-#define G_ACSR_SPEED(x) (((x) >> S_ACSR_SPEED) & M_ACSR_SPEED)
-
-#define S_ACSR_DUPLEX 5
-#define F_ACSR_DUPLEX (1 << S_ACSR_DUPLEX)
-
-#define S_ACSR_ACTIPHY 6
-#define F_ACSR_ACTIPHY (1 << S_ACSR_ACTIPHY)
-
-/*
- * Reset the PHY. This PHY completes reset immediately so we never wait.
- */
-static int vsc8211_reset(struct cphy *cphy, int wait)
-{
- return t3_phy_reset(cphy, MDIO_DEVAD_NONE, 0);
-}
-
-static int vsc8211_intr_enable(struct cphy *cphy)
-{
- return t3_mdio_write(cphy, MDIO_DEVAD_NONE, VSC8211_INTR_ENABLE,
- INTR_MASK);
-}
-
-static int vsc8211_intr_disable(struct cphy *cphy)
-{
- 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 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, 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, MDIO_DEVAD_NONE, MII_BMCR,
- BMCR_PDOWN | BMCR_ISOLATE,
- BMCR_ANRESTART);
-}
-
-static int vsc8211_get_link_status(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, VSC8211_AUX_CTRL_STAT,
- &status);
- if (err)
- return err;
-
- dplx = (status & F_ACSR_DUPLEX) ? DUPLEX_FULL : DUPLEX_HALF;
- sp = G_ACSR_SPEED(status);
- if (sp == 0)
- sp = SPEED_10;
- else if (sp == 1)
- sp = SPEED_100;
- else
- sp = SPEED_1000;
-
- if (fc && dplx == DUPLEX_FULL) {
- 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 (lpa & adv & ADVERTISE_PAUSE_CAP)
- pause = PAUSE_RX | PAUSE_TX;
- else if ((lpa & ADVERTISE_PAUSE_CAP) &&
- (lpa & ADVERTISE_PAUSE_ASYM) &&
- (adv & ADVERTISE_PAUSE_ASYM))
- pause = PAUSE_TX;
- else if ((lpa & ADVERTISE_PAUSE_ASYM) &&
- (adv & ADVERTISE_PAUSE_CAP))
- pause = PAUSE_RX;
- }
- }
- if (speed)
- *speed = sp;
- if (duplex)
- *duplex = dplx;
- if (fc)
- *fc = pause;
- 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,
- enable ? BMCR_PDOWN : 0);
-}
-
-static int vsc8211_intr_handler(struct cphy *cphy)
-{
- unsigned int cause;
- int err, cphy_cause = 0;
-
- err = t3_mdio_read(cphy, MDIO_DEVAD_NONE, VSC8211_INTR_STATUS, &cause);
- if (err)
- return err;
-
- cause &= INTR_MASK;
- if (cause & CFG_CHG_INTR_MASK)
- cphy_cause |= cphy_cause_link_change;
- if (cause & (VSC_INTR_RX_FIFO | VSC_INTR_TX_FIFO))
- cphy_cause |= cphy_cause_fifo_error;
- return cphy_cause;
-}
-
-static struct cphy_ops vsc8211_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,
- .set_speed_duplex = t3_set_phy_speed_duplex,
- .get_link_status = vsc8211_get_link_status,
- .power_down = vsc8211_power_down,
-};
-
-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)
-{
- 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;
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-05 14:11:29 +0000