Pull acpica into release branch
[pandora-kernel.git] / drivers / net / forcedeth.c
index e7fc28b..feb5b22 100644 (file)
  *     0.50: 20 Jan 2006: Add 8021pq tagging support.
  *     0.51: 20 Jan 2006: Add 64bit consistent memory allocation for rings.
  *     0.52: 20 Jan 2006: Add MSI/MSIX support.
+ *     0.53: 19 Mar 2006: Fix init from low power mode and add hw reset.
+ *     0.54: 21 Mar 2006: Fix spin locks for multi irqs and cleanup.
  *
  * Known bugs:
  * We suspect that on some hardware no TX done interrupts are generated.
  * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
  * superfluous timer interrupts from the nic.
  */
-#define FORCEDETH_VERSION              "0.52"
+#define FORCEDETH_VERSION              "0.54"
 #define DRV_NAME                       "forcedeth"
 
 #include <linux/module.h>
 #include <linux/random.h>
 #include <linux/init.h>
 #include <linux/if_vlan.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/irq.h>
 #include <asm/io.h>
 #define DEV_HAS_VLAN            0x0020  /* device supports vlan tagging and striping */
 #define DEV_HAS_MSI             0x0040  /* device supports MSI */
 #define DEV_HAS_MSI_X           0x0080  /* device supports MSI-X */
+#define DEV_HAS_POWER_CNTRL     0x0100  /* device supports power savings */
 
 enum {
        NvRegIrqStatus = 0x000,
@@ -202,6 +206,8 @@ enum {
 #define NVREG_MISC1_HD         0x02
 #define NVREG_MISC1_FORCE      0x3b0f3c
 
+       NvRegMacReset = 0x3c,
+#define NVREG_MAC_RESET_ASSERT 0x0F3
        NvRegTransmitterControl = 0x084,
 #define NVREG_XMITCTL_START    0x01
        NvRegTransmitterStatus = 0x088,
@@ -325,6 +331,10 @@ enum {
        NvRegMSIXMap0 = 0x3e0,
        NvRegMSIXMap1 = 0x3e4,
        NvRegMSIXIrqStatus = 0x3f0,
+
+       NvRegPowerState2 = 0x600,
+#define NVREG_POWERSTATE2_POWERUP_MASK         0x0F11
+#define NVREG_POWERSTATE2_POWERUP_REV_A3       0x0001
 };
 
 /* Big endian: should work, but is untested */
@@ -413,7 +423,8 @@ typedef union _ring_type {
 #define NV_RX3_VLAN_TAG_MASK   (0x0000FFFF)
 
 /* Miscelaneous hardware related defines: */
-#define NV_PCI_REGSZ           0x270
+#define NV_PCI_REGSZ_VER1              0x270
+#define NV_PCI_REGSZ_VER2              0x604
 
 /* various timeout delays: all in usec */
 #define NV_TXRX_RESET_DELAY    4
@@ -430,6 +441,7 @@ typedef union _ring_type {
 #define NV_MIIBUSY_DELAY       50
 #define NV_MIIPHY_DELAY        10
 #define NV_MIIPHY_DELAYMAX     10000
+#define NV_MAC_RESET_DELAY     64
 
 #define NV_WAKEUPPATTERNS      5
 #define NV_WAKEUPMASKENTRIES   4
@@ -551,6 +563,8 @@ struct fe_priv {
        u32 desc_ver;
        u32 txrxctl_bits;
        u32 vlanctl_bits;
+       u32 driver_data;
+       u32 register_size;
 
        void __iomem *base;
 
@@ -697,6 +711,72 @@ static void setup_hw_rings(struct net_device *dev, int rxtx_flags)
        }
 }
 
+static int using_multi_irqs(struct net_device *dev)
+{
+       struct fe_priv *np = get_nvpriv(dev);
+
+       if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
+           ((np->msi_flags & NV_MSI_X_ENABLED) &&
+            ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1)))
+               return 0;
+       else
+               return 1;
+}
+
+static void nv_enable_irq(struct net_device *dev)
+{
+       struct fe_priv *np = get_nvpriv(dev);
+
+       if (!using_multi_irqs(dev)) {
+               if (np->msi_flags & NV_MSI_X_ENABLED)
+                       enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+               else
+                       enable_irq(dev->irq);
+       } else {
+               enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+               enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
+               enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
+       }
+}
+
+static void nv_disable_irq(struct net_device *dev)
+{
+       struct fe_priv *np = get_nvpriv(dev);
+
+       if (!using_multi_irqs(dev)) {
+               if (np->msi_flags & NV_MSI_X_ENABLED)
+                       disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+               else
+                       disable_irq(dev->irq);
+       } else {
+               disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
+               disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
+               disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
+       }
+}
+
+/* In MSIX mode, a write to irqmask behaves as XOR */
+static void nv_enable_hw_interrupts(struct net_device *dev, u32 mask)
+{
+       u8 __iomem *base = get_hwbase(dev);
+
+       writel(mask, base + NvRegIrqMask);
+}
+
+static void nv_disable_hw_interrupts(struct net_device *dev, u32 mask)
+{
+       struct fe_priv *np = get_nvpriv(dev);
+       u8 __iomem *base = get_hwbase(dev);
+
+       if (np->msi_flags & NV_MSI_X_ENABLED) {
+               writel(mask, base + NvRegIrqMask);
+       } else {
+               if (np->msi_flags & NV_MSI_ENABLED)
+                       writel(0, base + NvRegMSIIrqMask);
+               writel(0, base + NvRegIrqMask);
+       }
+}
+
 #define MII_READ       (-1)
 /* mii_rw: read/write a register on the PHY.
  *
@@ -918,6 +998,24 @@ static void nv_txrx_reset(struct net_device *dev)
        pci_push(base);
 }
 
+static void nv_mac_reset(struct net_device *dev)
+{
+       struct fe_priv *np = netdev_priv(dev);
+       u8 __iomem *base = get_hwbase(dev);
+
+       dprintk(KERN_DEBUG "%s: nv_mac_reset\n", dev->name);
+       writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->txrxctl_bits, base + NvRegTxRxControl);
+       pci_push(base);
+       writel(NVREG_MAC_RESET_ASSERT, base + NvRegMacReset);
+       pci_push(base);
+       udelay(NV_MAC_RESET_DELAY);
+       writel(0, base + NvRegMacReset);
+       pci_push(base);
+       udelay(NV_MAC_RESET_DELAY);
+       writel(NVREG_TXRXCTL_BIT2 | np->txrxctl_bits, base + NvRegTxRxControl);
+       pci_push(base);
+}
+
 /*
  * nv_get_stats: dev->get_stats function
  * Get latest stats value from the nic.
@@ -988,24 +1086,25 @@ static void nv_do_rx_refill(unsigned long data)
        struct net_device *dev = (struct net_device *) data;
        struct fe_priv *np = netdev_priv(dev);
 
-
-       if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
-           ((np->msi_flags & NV_MSI_X_ENABLED) && 
-            ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
-               disable_irq(dev->irq);
+       if (!using_multi_irqs(dev)) {
+               if (np->msi_flags & NV_MSI_X_ENABLED)
+                       disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+               else
+                       disable_irq(dev->irq);
        } else {
                disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
        }
        if (nv_alloc_rx(dev)) {
-               spin_lock(&np->lock);
+               spin_lock_irq(&np->lock);
                if (!np->in_shutdown)
                        mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
-               spin_unlock(&np->lock);
+               spin_unlock_irq(&np->lock);
        }
-       if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
-           ((np->msi_flags & NV_MSI_X_ENABLED) && 
-            ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
-               enable_irq(dev->irq);
+       if (!using_multi_irqs(dev)) {
+               if (np->msi_flags & NV_MSI_X_ENABLED)
+                       enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+               else
+                       enable_irq(dev->irq);
        } else {
                enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
        }
@@ -1330,7 +1429,7 @@ static void nv_tx_timeout(struct net_device *dev)
                                dev->name, (unsigned long)np->ring_addr,
                                np->next_tx, np->nic_tx);
                printk(KERN_INFO "%s: Dumping tx registers\n", dev->name);
-               for (i=0;i<0x400;i+= 32) {
+               for (i=0;i<=np->register_size;i+= 32) {
                        printk(KERN_INFO "%3x: %08x %08x %08x %08x %08x %08x %08x %08x\n",
                                        i,
                                        readl(base + i + 0), readl(base + i + 4),
@@ -1637,15 +1736,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
                 * guessed, there is probably a simpler approach.
                 * Changing the MTU is a rare event, it shouldn't matter.
                 */
-               if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
-                   ((np->msi_flags & NV_MSI_X_ENABLED) && 
-                    ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
-                       disable_irq(dev->irq);
-               } else {
-                       disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
-                       disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
-                       disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
-               }
+               nv_disable_irq(dev);
                spin_lock_bh(&dev->xmit_lock);
                spin_lock(&np->lock);
                /* stop engines */
@@ -1678,15 +1769,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
                nv_start_tx(dev);
                spin_unlock(&np->lock);
                spin_unlock_bh(&dev->xmit_lock);
-               if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
-                   ((np->msi_flags & NV_MSI_X_ENABLED) && 
-                    ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
-                       enable_irq(dev->irq);
-               } else {
-                       enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector);
-                       enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector);
-                       enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector);
-               }
+               nv_enable_irq(dev);
        }
        return 0;
 }
@@ -2077,16 +2160,16 @@ static irqreturn_t nv_nic_irq_tx(int foo, void *data, struct pt_regs *regs)
                if (!(events & np->irqmask))
                        break;
 
-               spin_lock(&np->lock);
+               spin_lock_irq(&np->lock);
                nv_tx_done(dev);
-               spin_unlock(&np->lock);
+               spin_unlock_irq(&np->lock);
                
                if (events & (NVREG_IRQ_TX_ERR)) {
                        dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n",
                                                dev->name, events);
                }
                if (i > max_interrupt_work) {
-                       spin_lock(&np->lock);
+                       spin_lock_irq(&np->lock);
                        /* disable interrupts on the nic */
                        writel(NVREG_IRQ_TX_ALL, base + NvRegIrqMask);
                        pci_push(base);
@@ -2096,7 +2179,7 @@ static irqreturn_t nv_nic_irq_tx(int foo, void *data, struct pt_regs *regs)
                                mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
                        }
                        printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_tx.\n", dev->name, i);
-                       spin_unlock(&np->lock);
+                       spin_unlock_irq(&np->lock);
                        break;
                }
 
@@ -2126,14 +2209,14 @@ static irqreturn_t nv_nic_irq_rx(int foo, void *data, struct pt_regs *regs)
                
                nv_rx_process(dev);
                if (nv_alloc_rx(dev)) {
-                       spin_lock(&np->lock);
+                       spin_lock_irq(&np->lock);
                        if (!np->in_shutdown)
                                mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
-                       spin_unlock(&np->lock);
+                       spin_unlock_irq(&np->lock);
                }
                
                if (i > max_interrupt_work) {
-                       spin_lock(&np->lock);
+                       spin_lock_irq(&np->lock);
                        /* disable interrupts on the nic */
                        writel(NVREG_IRQ_RX_ALL, base + NvRegIrqMask);
                        pci_push(base);
@@ -2143,7 +2226,7 @@ static irqreturn_t nv_nic_irq_rx(int foo, void *data, struct pt_regs *regs)
                                mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
                        }
                        printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_rx.\n", dev->name, i);
-                       spin_unlock(&np->lock);
+                       spin_unlock_irq(&np->lock);
                        break;
                }
 
@@ -2172,14 +2255,14 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs)
                        break;
                
                if (events & NVREG_IRQ_LINK) {
-                       spin_lock(&np->lock);
+                       spin_lock_irq(&np->lock);
                        nv_link_irq(dev);
-                       spin_unlock(&np->lock);
+                       spin_unlock_irq(&np->lock);
                }
                if (np->need_linktimer && time_after(jiffies, np->link_timeout)) {
-                       spin_lock(&np->lock);
+                       spin_lock_irq(&np->lock);
                        nv_linkchange(dev);
-                       spin_unlock(&np->lock);
+                       spin_unlock_irq(&np->lock);
                        np->link_timeout = jiffies + LINK_TIMEOUT;
                }
                if (events & (NVREG_IRQ_UNKNOWN)) {
@@ -2187,7 +2270,7 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs)
                                                dev->name, events);
                }
                if (i > max_interrupt_work) {
-                       spin_lock(&np->lock);
+                       spin_lock_irq(&np->lock);
                        /* disable interrupts on the nic */
                        writel(NVREG_IRQ_OTHER, base + NvRegIrqMask);
                        pci_push(base);
@@ -2197,7 +2280,7 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs)
                                mod_timer(&np->nic_poll, jiffies + POLL_WAIT);
                        }
                        printk(KERN_DEBUG "%s: too many iterations (%d) in nv_nic_irq_other.\n", dev->name, i);
-                       spin_unlock(&np->lock);
+                       spin_unlock_irq(&np->lock);
                        break;
                }
 
@@ -2220,10 +2303,11 @@ static void nv_do_nic_poll(unsigned long data)
         * nv_nic_irq because that may decide to do otherwise
         */
 
-       if (!(np->msi_flags & NV_MSI_X_ENABLED) ||
-           ((np->msi_flags & NV_MSI_X_ENABLED) && 
-            ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
-               disable_irq(dev->irq);
+       if (!using_multi_irqs(dev)) {
+               if (np->msi_flags & NV_MSI_X_ENABLED)
+                       disable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+               else
+                       disable_irq(dev->irq);
                mask = np->irqmask;
        } else {
                if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
@@ -2246,11 +2330,12 @@ static void nv_do_nic_poll(unsigned long data)
        writel(mask, base + NvRegIrqMask);
        pci_push(base);
 
-       if (!(np->msi_flags & NV_MSI_X_ENABLED) || 
-           ((np->msi_flags & NV_MSI_X_ENABLED) && 
-            ((np->msi_flags & NV_MSI_X_VECTORS_MASK) == 0x1))) {
+       if (!using_multi_irqs(dev)) {
                nv_nic_irq((int) 0, (void *) data, (struct pt_regs *) NULL);
-               enable_irq(dev->irq);
+               if (np->msi_flags & NV_MSI_X_ENABLED)
+                       enable_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector);
+               else
+                       enable_irq(dev->irq);
        } else {
                if (np->nic_poll_irq & NVREG_IRQ_RX_ALL) {
                        nv_nic_irq_rx((int) 0, (void *) data, (struct pt_regs *) NULL);
@@ -2487,11 +2572,11 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 }
 
 #define FORCEDETH_REGS_VER     1
-#define FORCEDETH_REGS_SIZE    0x400 /* 256 32-bit registers */
 
 static int nv_get_regs_len(struct net_device *dev)
 {
-       return FORCEDETH_REGS_SIZE;
+       struct fe_priv *np = netdev_priv(dev);
+       return np->register_size;
 }
 
 static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *buf)
@@ -2503,7 +2588,7 @@ static void nv_get_regs(struct net_device *dev, struct ethtool_regs *regs, void
 
        regs->version = FORCEDETH_REGS_VER;
        spin_lock_irq(&np->lock);
-       for (i=0;i<FORCEDETH_REGS_SIZE/sizeof(u32);i++)
+       for (i = 0;i <= np->register_size/sizeof(u32); i++)
                rbuf[i] = readl(base + i*sizeof(u32));
        spin_unlock_irq(&np->lock);
 }
@@ -2530,6 +2615,18 @@ static int nv_nway_reset(struct net_device *dev)
        return ret;
 }
 
+#ifdef NETIF_F_TSO
+static int nv_set_tso(struct net_device *dev, u32 value)
+{
+       struct fe_priv *np = netdev_priv(dev);
+
+       if ((np->driver_data & DEV_HAS_CHECKSUM))
+               return ethtool_op_set_tso(dev, value);
+       else
+               return value ? -EOPNOTSUPP : 0;
+}
+#endif
+
 static struct ethtool_ops ops = {
        .get_drvinfo = nv_get_drvinfo,
        .get_link = ethtool_op_get_link,
@@ -2541,6 +2638,10 @@ static struct ethtool_ops ops = {
        .get_regs = nv_get_regs,
        .nway_reset = nv_nway_reset,
        .get_perm_addr = ethtool_op_get_perm_addr,
+#ifdef NETIF_F_TSO
+       .get_tso = ethtool_op_get_tso,
+       .set_tso = nv_set_tso
+#endif
 };
 
 static void nv_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
@@ -2597,6 +2698,113 @@ static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask)
        writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1);
 }
 
+static int nv_request_irq(struct net_device *dev)
+{
+       struct fe_priv *np = get_nvpriv(dev);
+       u8 __iomem *base = get_hwbase(dev);
+       int ret = 1;
+       int i;
+
+       if (np->msi_flags & NV_MSI_X_CAPABLE) {
+               for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
+                       np->msi_x_entry[i].entry = i;
+               }
+               if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) {
+                       np->msi_flags |= NV_MSI_X_ENABLED;
+                       if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) {
+                               /* Request irq for rx handling */
+                               if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) {
+                                       printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
+                                       pci_disable_msix(np->pci_dev);
+                                       np->msi_flags &= ~NV_MSI_X_ENABLED;
+                                       goto out_err;
+                               }
+                               /* Request irq for tx handling */
+                               if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) {
+                                       printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
+                                       pci_disable_msix(np->pci_dev);
+                                       np->msi_flags &= ~NV_MSI_X_ENABLED;
+                                       goto out_free_rx;
+                               }
+                               /* Request irq for link and timer handling */
+                               if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) {
+                                       printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
+                                       pci_disable_msix(np->pci_dev);
+                                       np->msi_flags &= ~NV_MSI_X_ENABLED;
+                                       goto out_free_tx;
+                               }
+                               /* map interrupts to their respective vector */
+                               writel(0, base + NvRegMSIXMap0);
+                               writel(0, base + NvRegMSIXMap1);
+                               set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL);
+                               set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL);
+                               set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER);
+                       } else {
+                               /* Request irq for all interrupts */
+                               if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
+                                       printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
+                                       pci_disable_msix(np->pci_dev);
+                                       np->msi_flags &= ~NV_MSI_X_ENABLED;
+                                       goto out_err;
+                               }
+
+                               /* map interrupts to vector 0 */
+                               writel(0, base + NvRegMSIXMap0);
+                               writel(0, base + NvRegMSIXMap1);
+                       }
+               }
+       }
+       if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
+               if ((ret = pci_enable_msi(np->pci_dev)) == 0) {
+                       np->msi_flags |= NV_MSI_ENABLED;
+                       if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
+                               printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
+                               pci_disable_msi(np->pci_dev);
+                               np->msi_flags &= ~NV_MSI_ENABLED;
+                               goto out_err;
+                       }
+
+                       /* map interrupts to vector 0 */
+                       writel(0, base + NvRegMSIMap0);
+                       writel(0, base + NvRegMSIMap1);
+                       /* enable msi vector 0 */
+                       writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask);
+               }
+       }
+       if (ret != 0) {
+               if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0)
+                       goto out_err;
+       }
+
+       return 0;
+out_free_tx:
+       free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev);
+out_free_rx:
+       free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev);
+out_err:
+       return 1;
+}
+
+static void nv_free_irq(struct net_device *dev)
+{
+       struct fe_priv *np = get_nvpriv(dev);
+       int i;
+
+       if (np->msi_flags & NV_MSI_X_ENABLED) {
+               for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
+                       free_irq(np->msi_x_entry[i].vector, dev);
+               }
+               pci_disable_msix(np->pci_dev);
+               np->msi_flags &= ~NV_MSI_X_ENABLED;
+       } else {
+               free_irq(np->pci_dev->irq, dev);
+               if (np->msi_flags & NV_MSI_ENABLED) {
+                       pci_disable_msi(np->pci_dev);
+                       np->msi_flags &= ~NV_MSI_ENABLED;
+               }
+       }
+}
+
 static int nv_open(struct net_device *dev)
 {
        struct fe_priv *np = netdev_priv(dev);
@@ -2607,6 +2815,8 @@ static int nv_open(struct net_device *dev)
        dprintk(KERN_DEBUG "nv_open: begin\n");
 
        /* 1) erase previous misconfiguration */
+       if (np->driver_data & DEV_HAS_POWER_CNTRL)
+               nv_mac_reset(dev);
        /* 4.1-1: stop adapter: ignored, 4.3 seems to be overkill */
        writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA);
        writel(0, base + NvRegMulticastAddrB);
@@ -2687,86 +2897,18 @@ static int nv_open(struct net_device *dev)
        udelay(10);
        writel(readl(base + NvRegPowerState) | NVREG_POWERSTATE_VALID, base + NvRegPowerState);
 
-       writel(0, base + NvRegIrqMask);
+       nv_disable_hw_interrupts(dev, np->irqmask);
        pci_push(base);
        writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus);
        writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus);
        pci_push(base);
 
-       if (np->msi_flags & NV_MSI_X_CAPABLE) {
-               for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
-                       np->msi_x_entry[i].entry = i;
-               }
-               if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) {
-                       np->msi_flags |= NV_MSI_X_ENABLED;
-                       if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) {
-                               /* Request irq for rx handling */
-                               if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) {
-                                       printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
-                                       pci_disable_msix(np->pci_dev);
-                                       np->msi_flags &= ~NV_MSI_X_ENABLED;
-                                       goto out_drain;
-                               }
-                               /* Request irq for tx handling */
-                               if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) {
-                                       printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
-                                       pci_disable_msix(np->pci_dev);
-                                       np->msi_flags &= ~NV_MSI_X_ENABLED;
-                                       goto out_drain;
-                               }
-                               /* Request irq for link and timer handling */
-                               if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) {
-                                       printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
-                                       pci_disable_msix(np->pci_dev);
-                                       np->msi_flags &= ~NV_MSI_X_ENABLED;
-                                       goto out_drain;
-                               }
-
-                               /* map interrupts to their respective vector */
-                               writel(0, base + NvRegMSIXMap0);
-                               writel(0, base + NvRegMSIXMap1);
-                               set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL);
-                               set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL);
-                               set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER);
-                       } else {
-                               /* Request irq for all interrupts */
-                               if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
-                                       printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
-                                       pci_disable_msix(np->pci_dev);
-                                       np->msi_flags &= ~NV_MSI_X_ENABLED;
-                                       goto out_drain;
-                               }
-
-                               /* map interrupts to vector 0 */
-                               writel(0, base + NvRegMSIXMap0);
-                               writel(0, base + NvRegMSIXMap1);
-                       }
-               }
-       }
-       if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
-               if ((ret = pci_enable_msi(np->pci_dev)) == 0) {
-                       np->msi_flags |= NV_MSI_ENABLED;
-                       if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) {
-                               printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
-                               pci_disable_msi(np->pci_dev);
-                               np->msi_flags &= ~NV_MSI_ENABLED;
-                               goto out_drain;
-                       }
-
-                       /* map interrupts to vector 0 */
-                       writel(0, base + NvRegMSIMap0);
-                       writel(0, base + NvRegMSIMap1);
-                       /* enable msi vector 0 */
-                       writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask);
-               }
-       }
-       if (ret != 0) {
-               if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0)
-                       goto out_drain;
+       if (nv_request_irq(dev)) {
+               goto out_drain;
        }
 
        /* ask for interrupts */
-       writel(np->irqmask, base + NvRegIrqMask);
+       nv_enable_hw_interrupts(dev, np->irqmask);
 
        spin_lock_irq(&np->lock);
        writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA);
@@ -2810,7 +2952,6 @@ static int nv_close(struct net_device *dev)
 {
        struct fe_priv *np = netdev_priv(dev);
        u8 __iomem *base;
-       int i;
 
        spin_lock_irq(&np->lock);
        np->in_shutdown = 1;
@@ -2828,31 +2969,13 @@ static int nv_close(struct net_device *dev)
 
        /* disable interrupts on the nic or we will lock up */
        base = get_hwbase(dev);
-       if (np->msi_flags & NV_MSI_X_ENABLED) {
-               writel(np->irqmask, base + NvRegIrqMask);
-       } else {
-               if (np->msi_flags & NV_MSI_ENABLED)
-                       writel(0, base + NvRegMSIIrqMask);
-               writel(0, base + NvRegIrqMask);
-       }
+       nv_disable_hw_interrupts(dev, np->irqmask);
        pci_push(base);
        dprintk(KERN_INFO "%s: Irqmask is zero again\n", dev->name);
 
        spin_unlock_irq(&np->lock);
 
-       if (np->msi_flags & NV_MSI_X_ENABLED) {
-               for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) {
-                       free_irq(np->msi_x_entry[i].vector, dev);
-               }
-               pci_disable_msix(np->pci_dev);
-               np->msi_flags &= ~NV_MSI_X_ENABLED;
-       } else {
-               free_irq(np->pci_dev->irq, dev);
-               if (np->msi_flags & NV_MSI_ENABLED) {
-                       pci_disable_msi(np->pci_dev);
-                       np->msi_flags &= ~NV_MSI_ENABLED;
-               }
-       }
+       nv_free_irq(dev);
 
        drain_ring(dev);
 
@@ -2877,6 +3000,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
        unsigned long addr;
        u8 __iomem *base;
        int err, i;
+       u32 powerstate;
 
        dev = alloc_etherdev(sizeof(struct fe_priv));
        err = -ENOMEM;
@@ -2909,6 +3033,11 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
        if (err < 0)
                goto out_disable;
 
+       if (id->driver_data & (DEV_HAS_VLAN|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL))
+               np->register_size = NV_PCI_REGSZ_VER2;
+       else
+               np->register_size = NV_PCI_REGSZ_VER1;
+
        err = -EINVAL;
        addr = 0;
        for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
@@ -2917,7 +3046,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
                                pci_resource_len(pci_dev, i),
                                pci_resource_flags(pci_dev, i));
                if (pci_resource_flags(pci_dev, i) & IORESOURCE_MEM &&
-                               pci_resource_len(pci_dev, i) >= NV_PCI_REGSZ) {
+                               pci_resource_len(pci_dev, i) >= np->register_size) {
                        addr = pci_resource_start(pci_dev, i);
                        break;
                }
@@ -2928,24 +3057,25 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
                goto out_relreg;
        }
 
+       /* copy of driver data */
+       np->driver_data = id->driver_data;
+
        /* handle different descriptor versions */
        if (id->driver_data & DEV_HAS_HIGH_DMA) {
                /* packet format 3: supports 40-bit addressing */
                np->desc_ver = DESC_VER_3;
-               if (pci_set_dma_mask(pci_dev, 0x0000007fffffffffULL)) {
+               np->txrxctl_bits = NVREG_TXRXCTL_DESC_3;
+               if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) {
                        printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n",
                                        pci_name(pci_dev));
                } else {
-                       if (pci_set_consistent_dma_mask(pci_dev, 0x0000007fffffffffULL)) {
-                               printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed for device %s.\n",
-                                       pci_name(pci_dev));
-                               goto out_relreg;
-                       } else {
-                               dev->features |= NETIF_F_HIGHDMA;
-                               printk(KERN_INFO "forcedeth: using HIGHDMA\n");
-                       }
+                       dev->features |= NETIF_F_HIGHDMA;
+                       printk(KERN_INFO "forcedeth: using HIGHDMA\n");
+               }
+               if (pci_set_consistent_dma_mask(pci_dev, 0x0000007fffffffffULL)) {
+                       printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed for device %s.\n",
+                              pci_name(pci_dev));
                }
-               np->txrxctl_bits = NVREG_TXRXCTL_DESC_3;
        } else if (id->driver_data & DEV_HAS_LARGEDESC) {
                /* packet format 2: supports jumbo frames */
                np->desc_ver = DESC_VER_2;
@@ -2985,7 +3115,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
        }
 
        err = -ENOMEM;
-       np->base = ioremap(addr, NV_PCI_REGSZ);
+       np->base = ioremap(addr, np->register_size);
        if (!np->base)
                goto out_relreg;
        dev->base_addr = (unsigned long)np->base;
@@ -3061,6 +3191,20 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
        writel(0, base + NvRegWakeUpFlags);
        np->wolenabled = 0;
 
+       if (id->driver_data & DEV_HAS_POWER_CNTRL) {
+               u8 revision_id;
+               pci_read_config_byte(pci_dev, PCI_REVISION_ID, &revision_id);
+
+               /* take phy and nic out of low power mode */
+               powerstate = readl(base + NvRegPowerState2);
+               powerstate &= ~NVREG_POWERSTATE2_POWERUP_MASK;
+               if ((id->device == PCI_DEVICE_ID_NVIDIA_NVENET_12 ||
+                    id->device == PCI_DEVICE_ID_NVIDIA_NVENET_13) &&
+                   revision_id >= 0xA3)
+                       powerstate |= NVREG_POWERSTATE2_POWERUP_REV_A3;
+               writel(powerstate, base + NvRegPowerState2);
+       }
+
        if (np->desc_ver == DESC_VER_1) {
                np->tx_flags = NV_TX_VALID;
        } else {
@@ -3222,19 +3366,19 @@ static struct pci_device_id pci_tbl[] = {
        },
        {       /* MCP51 Ethernet Controller */
                PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_12),
-               .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA,
+               .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL,
        },
        {       /* MCP51 Ethernet Controller */
                PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_13),
-               .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA,
+               .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL,
        },
        {       /* MCP55 Ethernet Controller */
                PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14),
-               .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X,
+               .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL,
        },
        {       /* MCP55 Ethernet Controller */
                PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15),
-               .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X,
+               .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL,
        },
        {0,},
 };