/**
* et131x_error_timer_handler
* @data: timer-specific variable; here a pointer to our adapter structure
*
* The routine called when the error timer expires, to track the number of
* recurring errors.
*/
void et131x_error_timer_handler(unsigned long data)
{
struct et131x_adapter *etdev = (struct et131x_adapter *) data;
u32 pm_csr;
pm_csr = readl(&etdev->regs->global.pm_csr);
if ((pm_csr & ET_PM_PHY_SW_COMA) == 0)
UpdateMacStatHostCounters(etdev);
else
dev_err(&etdev->pdev->dev,
"No interrupts, in PHY coma, pm_csr = 0x%x\n", pm_csr);
if (!etdev->Bmsr.bits.link_status &&
etdev->RegistryPhyComa &&
etdev->boot_coma < 11) {
etdev->boot_coma++;
}
if (etdev->boot_coma == 10) {
if (!etdev->Bmsr.bits.link_status
&& etdev->RegistryPhyComa) {
if ((pm_csr & ET_PM_PHY_SW_COMA) == 0) {
/* NOTE - This was originally a 'sync with
* interrupt'. How to do that under Linux?
*/
et131x_enable_interrupts(etdev);
EnablePhyComa(etdev);
}
}
}
/* This is a periodic timer, so reschedule */
mod_timer(&etdev->ErrorTimer, jiffies +
TX_ERROR_PERIOD * HZ / 1000);
}
void et131x_Mii_check(struct et131x_adapter *etdev,
MI_BMSR_t bmsr, MI_BMSR_t bmsr_ints)
{
uint8_t link_status;
uint32_t autoneg_status;
uint32_t speed;
uint32_t duplex;
uint32_t mdi_mdix;
uint32_t masterslave;
uint32_t polarity;
unsigned long flags;
if (bmsr_ints.bits.link_status) {
if (bmsr.bits.link_status) {
etdev->PoMgmt.TransPhyComaModeOnBoot = 20;
spin_lock_irqsave(&etdev->Lock, flags);
etdev->MediaState = NETIF_STATUS_MEDIA_CONNECT;
etdev->Flags &= ~fMP_ADAPTER_LINK_DETECTION;
spin_unlock_irqrestore(&etdev->Lock, flags);
if (etdev->RegistryPhyLoopbk == false)
netif_carrier_on(etdev->netdev);
} else {
dev_warn(&etdev->pdev->dev,
"Link down - cable problem ?\n");
if (etdev->linkspeed == TRUEPHY_SPEED_10MBPS) {
uint16_t Register18;
MiRead(etdev, 0x12, &Register18);
MiWrite(etdev, 0x12, Register18 | 0x4);
MiWrite(etdev, 0x10, Register18 | 0x8402);
MiWrite(etdev, 0x11, Register18 | 511);
MiWrite(etdev, 0x12, Register18);
}
if (!(etdev->Flags & fMP_ADAPTER_LINK_DETECTION) ||
(etdev->MediaState == NETIF_STATUS_MEDIA_DISCONNECT)) {
spin_lock_irqsave(&etdev->Lock, flags);
etdev->MediaState =
NETIF_STATUS_MEDIA_DISCONNECT;
spin_unlock_irqrestore(&etdev->Lock,
flags);
if (etdev->RegistryPhyLoopbk == false)
netif_carrier_off(etdev->netdev);
}
etdev->linkspeed = 0;
etdev->duplex_mode = 0;
et131x_free_busy_send_packets(etdev);
et131x_init_send(etdev);
et131x_reset_recv(etdev);
et131x_soft_reset(etdev);
et131x_adapter_setup(etdev);
if (etdev->RegistryPhyComa == 1)
EnablePhyComa(etdev);
}
}
if (bmsr_ints.bits.auto_neg_complete ||
(etdev->AiForceDpx == 3 && bmsr_ints.bits.link_status)) {
if (bmsr.bits.auto_neg_complete || etdev->AiForceDpx == 3) {
ET1310_PhyLinkStatus(etdev,
&link_status, &autoneg_status,
&speed, &duplex, &mdi_mdix,
&masterslave, &polarity);
etdev->linkspeed = speed;
etdev->duplex_mode = duplex;
etdev->PoMgmt.TransPhyComaModeOnBoot = 20;
if (etdev->linkspeed == TRUEPHY_SPEED_10MBPS) {
uint16_t Register18;
MiRead(etdev, 0x12, &Register18);
MiWrite(etdev, 0x12, Register18 | 0x4);
MiWrite(etdev, 0x10, Register18 | 0x8402);
MiWrite(etdev, 0x11, Register18 | 511);
MiWrite(etdev, 0x12, Register18);
}
ConfigFlowControl(etdev);
if (etdev->linkspeed == TRUEPHY_SPEED_1000MBPS &&
etdev->RegistryJumboPacket > 2048)
ET1310_PhyAndOrReg(etdev, 0x16, 0xcfff,
0x2000);
SetRxDmaTimer(etdev);
ConfigMACRegs2(etdev);
}
}
}
void et131x_Mii_check(struct et131x_adapter *etdev,
MI_BMSR_t bmsr, MI_BMSR_t bmsr_ints)
{
uint8_t link_status;
uint32_t autoneg_status;
uint32_t speed;
uint32_t duplex;
uint32_t mdi_mdix;
uint32_t masterslave;
uint32_t polarity;
unsigned long flags;
if (bmsr_ints.bits.link_status) {
if (bmsr.bits.link_status) {
etdev->PoMgmt.TransPhyComaModeOnBoot = 20;
/* Update our state variables and indicate the
* connected state
*/
spin_lock_irqsave(&etdev->Lock, flags);
etdev->MediaState = NETIF_STATUS_MEDIA_CONNECT;
etdev->Flags &= ~fMP_ADAPTER_LINK_DETECTION;
spin_unlock_irqrestore(&etdev->Lock, flags);
/* Don't indicate state if we're in loopback mode */
if (etdev->RegistryPhyLoopbk == false)
netif_carrier_on(etdev->netdev);
} else {
dev_warn(&etdev->pdev->dev,
"Link down - cable problem ?\n");
if (etdev->linkspeed == TRUEPHY_SPEED_10MBPS) {
/* NOTE - Is there a way to query this without
* TruePHY?
* && TRU_QueryCoreType(etdev->hTruePhy, 0) == EMI_TRUEPHY_A13O) {
*/
uint16_t Register18;
MiRead(etdev, 0x12, &Register18);
MiWrite(etdev, 0x12, Register18 | 0x4);
MiWrite(etdev, 0x10, Register18 | 0x8402);
MiWrite(etdev, 0x11, Register18 | 511);
MiWrite(etdev, 0x12, Register18);
}
/* For the first N seconds of life, we are in "link
* detection" When we are in this state, we should
* only report "connected". When the LinkDetection
* Timer expires, we can report disconnected (handled
* in the LinkDetectionDPC).
*/
if (!(etdev->Flags & fMP_ADAPTER_LINK_DETECTION) ||
(etdev->MediaState == NETIF_STATUS_MEDIA_DISCONNECT)) {
spin_lock_irqsave(&etdev->Lock, flags);
etdev->MediaState =
NETIF_STATUS_MEDIA_DISCONNECT;
spin_unlock_irqrestore(&etdev->Lock,
flags);
/* Only indicate state if we're in loopback
* mode
*/
if (etdev->RegistryPhyLoopbk == false)
netif_carrier_off(etdev->netdev);
}
etdev->linkspeed = 0;
etdev->duplex_mode = 0;
/* Free the packets being actively sent & stopped */
et131x_free_busy_send_packets(etdev);
/* Re-initialize the send structures */
et131x_init_send(etdev);
/* Reset the RFD list and re-start RU */
et131x_reset_recv(etdev);
/*
* Bring the device back to the state it was during
* init prior to autonegotiation being complete. This
* way, when we get the auto-neg complete interrupt,
* we can complete init by calling ConfigMacREGS2.
*/
et131x_soft_reset(etdev);
/* Setup ET1310 as per the documentation */
et131x_adapter_setup(etdev);
/* Setup the PHY into coma mode until the cable is
* plugged back in
*/
if (etdev->RegistryPhyComa == 1)
EnablePhyComa(etdev);
}
}
if (bmsr_ints.bits.auto_neg_complete ||
(etdev->AiForceDpx == 3 && bmsr_ints.bits.link_status)) {
if (bmsr.bits.auto_neg_complete || etdev->AiForceDpx == 3) {
ET1310_PhyLinkStatus(etdev,
&link_status, &autoneg_status,
&speed, &duplex, &mdi_mdix,
&masterslave, &polarity);
etdev->linkspeed = speed;
etdev->duplex_mode = duplex;
etdev->PoMgmt.TransPhyComaModeOnBoot = 20;
if (etdev->linkspeed == TRUEPHY_SPEED_10MBPS) {
/*
* NOTE - Is there a way to query this without
* TruePHY?
* && TRU_QueryCoreType(etdev->hTruePhy, 0)== EMI_TRUEPHY_A13O) {
*/
uint16_t Register18;
MiRead(etdev, 0x12, &Register18);
MiWrite(etdev, 0x12, Register18 | 0x4);
MiWrite(etdev, 0x10, Register18 | 0x8402);
MiWrite(etdev, 0x11, Register18 | 511);
MiWrite(etdev, 0x12, Register18);
}
ConfigFlowControl(etdev);
if (etdev->linkspeed == TRUEPHY_SPEED_1000MBPS &&
etdev->RegistryJumboPacket > 2048)
ET1310_PhyAndOrReg(etdev, 0x16, 0xcfff,
0x2000);
SetRxDmaTimer(etdev);
ConfigMACRegs2(etdev);
}
}
}
