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authorThomas Gleixner <tglx@linutronix.de>2008-05-17 16:01:05 +0200
committerThomas Gleixner <tglx@linutronix.de>2008-05-17 16:01:05 +0200
commit0e50a4c6ab94ffe7e5515b86b5df9e5abc8c6b13 (patch)
tree3c688483e71261f564fc43be3157b337ae340dca /drivers/net/atlx/atl1.c
parent34b2cd5b688b012975fcfc3b3970fc3508fa82c4 (diff)
parentf26a3988917913b3d11b2bd741601a2c64ab9204 (diff)
Merge branch 'linus' into x86/pebstip-x86-pebs-2008-05-17-14-01-06
Diffstat (limited to 'drivers/net/atlx/atl1.c')
-rw-r--r--drivers/net/atlx/atl1.c157
1 files changed, 98 insertions, 59 deletions
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 0afe522b8f7b..9c2394d49428 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -1,7 +1,7 @@
/*
* Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
* Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
- * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com>
+ * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
@@ -36,7 +36,6 @@
* A very incomplete list of things that need to be dealt with:
*
* TODO:
- * Wake on LAN.
* Add more ethtool functions.
* Fix abstruse irq enable/disable condition described here:
* http://marc.theaimsgroup.com/?l=linux-netdev&m=116398508500553&w=2
@@ -638,21 +637,18 @@ static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw)
}
/*
- *TODO: do something or get rid of this
+ * Force the PHY into power saving mode using vendor magic.
*/
#ifdef CONFIG_PM
-static s32 atl1_phy_enter_power_saving(struct atl1_hw *hw)
+static void atl1_phy_enter_power_saving(struct atl1_hw *hw)
{
-/* s32 ret_val;
- * u16 phy_data;
- */
+ atl1_write_phy_reg(hw, MII_DBG_ADDR, 0);
+ atl1_write_phy_reg(hw, MII_DBG_DATA, 0x124E);
+ atl1_write_phy_reg(hw, MII_DBG_ADDR, 2);
+ atl1_write_phy_reg(hw, MII_DBG_DATA, 0x3000);
+ atl1_write_phy_reg(hw, MII_DBG_ADDR, 3);
+ atl1_write_phy_reg(hw, MII_DBG_DATA, 0);
-/*
- ret_val = atl1_write_phy_reg(hw, ...);
- ret_val = atl1_write_phy_reg(hw, ...);
- ....
-*/
- return 0;
}
#endif
@@ -2784,64 +2780,93 @@ static int atl1_suspend(struct pci_dev *pdev, pm_message_t state)
struct atl1_hw *hw = &adapter->hw;
u32 ctrl = 0;
u32 wufc = adapter->wol;
+ u32 val;
+ int retval;
+ u16 speed;
+ u16 duplex;
netif_device_detach(netdev);
if (netif_running(netdev))
atl1_down(adapter);
+ retval = pci_save_state(pdev);
+ if (retval)
+ return retval;
+
atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl);
atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl);
- if (ctrl & BMSR_LSTATUS)
+ val = ctrl & BMSR_LSTATUS;
+ if (val)
wufc &= ~ATLX_WUFC_LNKC;
- /* reduce speed to 10/100M */
- if (wufc) {
- atl1_phy_enter_power_saving(hw);
- /* if resume, let driver to re- setup link */
- hw->phy_configured = false;
- atl1_set_mac_addr(hw);
- atlx_set_multi(netdev);
+ if (val && wufc) {
+ val = atl1_get_speed_and_duplex(hw, &speed, &duplex);
+ if (val) {
+ if (netif_msg_ifdown(adapter))
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "error getting speed/duplex\n");
+ goto disable_wol;
+ }
ctrl = 0;
- /* turn on magic packet wol */
- if (wufc & ATLX_WUFC_MAG)
- ctrl = WOL_MAGIC_EN | WOL_MAGIC_PME_EN;
- /* turn on Link change WOL */
- if (wufc & ATLX_WUFC_LNKC)
- ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN);
+ /* enable magic packet WOL */
+ if (wufc & ATLX_WUFC_MAG)
+ ctrl |= (WOL_MAGIC_EN | WOL_MAGIC_PME_EN);
iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL);
-
- /* turn on all-multi mode if wake on multicast is enabled */
- ctrl = ioread32(hw->hw_addr + REG_MAC_CTRL);
- ctrl &= ~MAC_CTRL_DBG;
- ctrl &= ~MAC_CTRL_PROMIS_EN;
- if (wufc & ATLX_WUFC_MC)
- ctrl |= MAC_CTRL_MC_ALL_EN;
- else
- ctrl &= ~MAC_CTRL_MC_ALL_EN;
-
- /* turn on broadcast mode if wake on-BC is enabled */
- if (wufc & ATLX_WUFC_BC)
+ ioread32(hw->hw_addr + REG_WOL_CTRL);
+
+ /* configure the mac */
+ ctrl = MAC_CTRL_RX_EN;
+ ctrl |= ((u32)((speed == SPEED_1000) ? MAC_CTRL_SPEED_1000 :
+ MAC_CTRL_SPEED_10_100) << MAC_CTRL_SPEED_SHIFT);
+ if (duplex == FULL_DUPLEX)
+ ctrl |= MAC_CTRL_DUPLX;
+ ctrl |= (((u32)adapter->hw.preamble_len &
+ MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT);
+ if (adapter->vlgrp)
+ ctrl |= MAC_CTRL_RMV_VLAN;
+ if (wufc & ATLX_WUFC_MAG)
ctrl |= MAC_CTRL_BC_EN;
- else
- ctrl &= ~MAC_CTRL_BC_EN;
-
- /* enable RX */
- ctrl |= MAC_CTRL_RX_EN;
iowrite32(ctrl, hw->hw_addr + REG_MAC_CTRL);
- pci_enable_wake(pdev, PCI_D3hot, 1);
- pci_enable_wake(pdev, PCI_D3cold, 1);
- } else {
- iowrite32(0, hw->hw_addr + REG_WOL_CTRL);
- pci_enable_wake(pdev, PCI_D3hot, 0);
- pci_enable_wake(pdev, PCI_D3cold, 0);
+ ioread32(hw->hw_addr + REG_MAC_CTRL);
+
+ /* poke the PHY */
+ ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
+ ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
+ iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC);
+ ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
+
+ pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
+ goto exit;
}
- pci_save_state(pdev);
+ if (!val && wufc) {
+ ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN);
+ iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL);
+ ioread32(hw->hw_addr + REG_WOL_CTRL);
+ iowrite32(0, hw->hw_addr + REG_MAC_CTRL);
+ ioread32(hw->hw_addr + REG_MAC_CTRL);
+ hw->phy_configured = false;
+ pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
+ goto exit;
+ }
+
+disable_wol:
+ iowrite32(0, hw->hw_addr + REG_WOL_CTRL);
+ ioread32(hw->hw_addr + REG_WOL_CTRL);
+ ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
+ ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
+ iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC);
+ ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
+ atl1_phy_enter_power_saving(hw);
+ hw->phy_configured = false;
+ pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
+exit:
+ if (netif_running(netdev))
+ pci_disable_msi(adapter->pdev);
pci_disable_device(pdev);
-
- pci_set_power_state(pdev, PCI_D3hot);
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
return 0;
}
@@ -2855,20 +2880,26 @@ static int atl1_resume(struct pci_dev *pdev)
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
- /* FIXME: check and handle */
err = pci_enable_device(pdev);
+ if (err) {
+ if (netif_msg_ifup(adapter))
+ dev_printk(KERN_DEBUG, &pdev->dev,
+ "error enabling pci device\n");
+ return err;
+ }
+
+ pci_set_master(pdev);
+ iowrite32(0, adapter->hw.hw_addr + REG_WOL_CTRL);
pci_enable_wake(pdev, PCI_D3hot, 0);
pci_enable_wake(pdev, PCI_D3cold, 0);
- iowrite32(0, adapter->hw.hw_addr + REG_WOL_CTRL);
- atl1_reset(adapter);
+ atl1_reset_hw(&adapter->hw);
+ adapter->cmb.cmb->int_stats = 0;
if (netif_running(netdev))
atl1_up(adapter);
netif_device_attach(netdev);
- atl1_via_workaround(adapter);
-
return 0;
}
#else
@@ -2876,6 +2907,13 @@ static int atl1_resume(struct pci_dev *pdev)
#define atl1_resume NULL
#endif
+static void atl1_shutdown(struct pci_dev *pdev)
+{
+#ifdef CONFIG_PM
+ atl1_suspend(pdev, PMSG_SUSPEND);
+#endif
+}
+
#ifdef CONFIG_NET_POLL_CONTROLLER
static void atl1_poll_controller(struct net_device *netdev)
{
@@ -3122,7 +3160,8 @@ static struct pci_driver atl1_driver = {
.probe = atl1_probe,
.remove = __devexit_p(atl1_remove),
.suspend = atl1_suspend,
- .resume = atl1_resume
+ .resume = atl1_resume,
+ .shutdown = atl1_shutdown
};
/*