skge: fix wake on lan

Need to rework wake on lan code to setup properly and get activated
on shutdown (and suspend), not when ethtool is run.

This does not need to go to stable queue because wake on lan
was not even included in 2.6.20 (or earlier versions).

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 58 insertions, 36 deletions

diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index cc907a1..d476a3c 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -163,27 +163,46 @@ static void skge_wol_init(struct skge_port *skge)
 {
 	struct skge_hw *hw = skge->hw;
 	int port = skge->port;
-	enum pause_control save_mode;
-	u32 ctrl;
+	u16 ctrl;
 
-	/* Bring hardware out of reset */
 	skge_write16(hw, B0_CTST, CS_RST_CLR);
 	skge_write16(hw, SK_REG(port, GMAC_LINK_CTRL), GMLC_RST_CLR);
 
-	skge_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR);
-	skge_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR);
+	/* Turn on Vaux */
+	skge_write8(hw, B0_POWER_CTRL,
+		    PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_ON | PC_VCC_OFF);
 
-	/* Force to 10/100 skge_reset will re-enable on resume	 */
-	save_mode = skge->flow_control;
-	skge->flow_control = FLOW_MODE_SYMMETRIC;
+	/* WA code for COMA mode -- clear PHY reset */
+	if (hw->chip_id == CHIP_ID_YUKON_LITE &&
+	    hw->chip_rev >= CHIP_REV_YU_LITE_A3) {
+		u32 reg = skge_read32(hw, B2_GP_IO);
+		reg |= GP_DIR_9;
+		reg &= ~GP_IO_9;
+		skge_write32(hw, B2_GP_IO, reg);
+	}
 
-	ctrl = skge->advertising;
-	skge->advertising &= ~(ADVERTISED_1000baseT_Half|ADVERTISED_1000baseT_Full);
+	skge_write32(hw, SK_REG(port, GPHY_CTRL),
+		     GPC_DIS_SLEEP |
+		     GPC_HWCFG_M_3 | GPC_HWCFG_M_2 | GPC_HWCFG_M_1 | GPC_HWCFG_M_0 |
+		     GPC_ANEG_1 | GPC_RST_SET);
 
-	skge_phy_reset(skge);
+	skge_write32(hw, SK_REG(port, GPHY_CTRL),
+		     GPC_DIS_SLEEP |
+		     GPC_HWCFG_M_3 | GPC_HWCFG_M_2 | GPC_HWCFG_M_1 | GPC_HWCFG_M_0 |
+		     GPC_ANEG_1 | GPC_RST_CLR);
+
+	skge_write32(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR);
+
+	/* Force to 10/100 skge_reset will re-enable on resume	 */
+	gm_phy_write(hw, port, PHY_MARV_AUNE_ADV,
+		     PHY_AN_100FULL | PHY_AN_100HALF |
+		     PHY_AN_10FULL | PHY_AN_10HALF| PHY_AN_CSMA);
+	/* no 1000 HD/FD */
+	gm_phy_write(hw, port, PHY_MARV_1000T_CTRL, 0);
+	gm_phy_write(hw, port, PHY_MARV_CTRL,
+		     PHY_CT_RESET | PHY_CT_SPS_LSB | PHY_CT_ANE |
+		     PHY_CT_RE_CFG | PHY_CT_DUP_MD);
 
-	skge->flow_control = save_mode;
-	skge->advertising = ctrl;
 
 	/* Set GMAC to no flow control and auto update for speed/duplex */
 	gma_write16(hw, port, GM_GP_CTRL,
@@ -227,12 +246,10 @@ static int skge_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 	struct skge_port *skge = netdev_priv(dev);
 	struct skge_hw *hw = skge->hw;
 
-	if (wol->wolopts & wol_supported(hw))
+	if (wol->wolopts & ~wol_supported(hw))
 		return -EOPNOTSUPP;
 
 	skge->wol = wol->wolopts;
-	if (!netif_running(dev))
-		skge_wol_init(skge);
 	return 0;
 }
 
@@ -2535,11 +2552,12 @@ static int skge_down(struct net_device *dev)
 		printk(KERN_INFO PFX "%s: disabling interface\n", dev->name);
 
 	netif_stop_queue(dev);
-	netif_carrier_off(dev);
+
 	if (hw->chip_id == CHIP_ID_GENESIS && hw->phy_type == SK_PHY_XMAC)
 		del_timer_sync(&skge->link_timer);
 
 	netif_poll_disable(dev);
+	netif_carrier_off(dev);
 
 	spin_lock_irq(&hw->hw_lock);
 	hw->intr_mask &= ~portmask[port];
@@ -3766,21 +3784,6 @@ static void __devexit skge_remove(struct pci_dev *pdev)
 }
 
 #ifdef CONFIG_PM
-static int vaux_avail(struct pci_dev *pdev)
-{
-	int pm_cap;
-
-	pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
-	if (pm_cap) {
-		u16 ctl;
-		pci_read_config_word(pdev, pm_cap + PCI_PM_PMC, &ctl);
-		if (ctl & PCI_PM_CAP_AUX_POWER)
-			return 1;
-	}
-	return 0;
-}
-
-
 static int skge_suspend(struct pci_dev *pdev, pm_message_t state)
 {
 	struct skge_hw *hw  = pci_get_drvdata(pdev);
@@ -3802,10 +3805,6 @@ static int skge_suspend(struct pci_dev *pdev, pm_message_t state)
 		wol |= skge->wol;
 	}
 
-	if (wol && vaux_avail(pdev))
-		skge_write8(hw, B0_POWER_CTRL,
-			    PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_ON | PC_VCC_OFF);
-
 	skge_write32(hw, B0_IMSK, 0);
 	pci_enable_wake(pdev, pci_choose_state(pdev, state), wol);
 	pci_set_power_state(pdev, pci_choose_state(pdev, state));
@@ -3851,6 +3850,28 @@ out:
 }
 #endif
 
+static void skge_shutdown(struct pci_dev *pdev)
+{
+	struct skge_hw *hw  = pci_get_drvdata(pdev);
+	int i, wol = 0;
+
+	for (i = 0; i < hw->ports; i++) {
+		struct net_device *dev = hw->dev[i];
+		struct skge_port *skge = netdev_priv(dev);
+
+		if (skge->wol)
+			skge_wol_init(skge);
+		wol |= skge->wol;
+	}
+
+	pci_enable_wake(pdev, PCI_D3hot, wol);
+	pci_enable_wake(pdev, PCI_D3cold, wol);
+
+	pci_disable_device(pdev);
+	pci_set_power_state(pdev, PCI_D3hot);
+
+}
+
 static struct pci_driver skge_driver = {
 	.name =         DRV_NAME,
 	.id_table =     skge_id_table,
@@ -3860,6 +3881,7 @@ static struct pci_driver skge_driver = {
 	.suspend = 	skge_suspend,
 	.resume = 	skge_resume,
 #endif
+	.shutdown =	skge_shutdown,
 };
 
 static int __init skge_init_module(void)