Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
[pandora-kernel.git] / drivers / net / atlx / atl1.c
index 0afe522..99e0b4c 100644 (file)
@@ -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
@@ -637,25 +636,6 @@ static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw)
        return atl1_write_phy_reg(hw, 30, 0);
 }
 
-/*
- *TODO: do something or get rid of this
- */
-#ifdef CONFIG_PM
-static s32 atl1_phy_enter_power_saving(struct atl1_hw *hw)
-{
-/*    s32 ret_val;
- *    u16 phy_data;
- */
-
-/*
-    ret_val = atl1_write_phy_reg(hw, ...);
-    ret_val = atl1_write_phy_reg(hw, ...);
-    ....
-*/
-       return 0;
-}
-#endif
-
 /*
  * Resets the PHY and make all config validate
  * hw - Struct containing variables accessed by shared code
@@ -2027,6 +2007,7 @@ rrd_ok:
                /* Good Receive */
                pci_unmap_page(adapter->pdev, buffer_info->dma,
                               buffer_info->length, PCI_DMA_FROMDEVICE);
+               buffer_info->dma = 0;
                skb = buffer_info->skb;
                length = le16_to_cpu(rrd->xsz.xsum_sz.pkt_size);
 
@@ -2139,7 +2120,7 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb,
                                return -1;
                }
 
-               if (skb->protocol == ntohs(ETH_P_IP)) {
+               if (skb->protocol == htons(ETH_P_IP)) {
                        struct iphdr *iph = ip_hdr(skb);
 
                        real_len = (((unsigned char *)iph - skb->data) +
@@ -2784,64 +2765,92 @@ 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);
+               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;
+               iowrite32(ctrl, hw->hw_addr + REG_MAC_CTRL);
+               ioread32(hw->hw_addr + REG_MAC_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;
+               /* 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);
 
-               /* turn on broadcast mode if wake on-BC is enabled */
-               if (wufc & ATLX_WUFC_BC)
-                       ctrl |= MAC_CTRL_BC_EN;
-               else
-                       ctrl &= ~MAC_CTRL_BC_EN;
+               pci_enable_wake(pdev, pci_choose_state(pdev, state), 1);
+               goto exit;
+       }
 
-               /* 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);
+       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;
        }
 
-       pci_save_state(pdev);
+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);
+       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 +2864,26 @@ 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 +2891,13 @@ 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 +3144,8 @@ 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
 };
 
 /*