diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic_main.c')
| -rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index a66ff58366cf..56f8197b953b 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -156,6 +156,103 @@ static inline void netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter #define ADAPTER_LIST_SIZE 12 int netxen_cards_found; +static void netxen_nic_disable_int(struct netxen_adapter *adapter) +{ + uint32_t mask = 0x7ff; + int retries = 32; + + DPRINTK(1, INFO, "Entered ISR Disable \n"); + + switch (adapter->portnum) { + case 0: + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_0)); + break; + case 1: + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1)); + break; + case 2: + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_2)); + break; + case 3: + writel(0x0, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_3)); + break; + } + + if (adapter->intr_scheme != -1 && + adapter->intr_scheme != INTR_SCHEME_PERPORT) + writel(mask,PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); + + /* Window = 0 or 1 */ + if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { + do { + writel(0xffffffff, + PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_STATUS)); + mask = readl(pci_base_offset(adapter, ISR_INT_VECTOR)); + if (!(mask & 0x80)) + break; + udelay(10); + } while (--retries); + + if (!retries) { + printk(KERN_NOTICE "%s: Failed to disable interrupt completely\n", + netxen_nic_driver_name); + } + } + + DPRINTK(1, INFO, "Done with Disable Int\n"); +} + +static void netxen_nic_enable_int(struct netxen_adapter *adapter) +{ + u32 mask; + + DPRINTK(1, INFO, "Entered ISR Enable \n"); + + if (adapter->intr_scheme != -1 && + adapter->intr_scheme != INTR_SCHEME_PERPORT) { + switch (adapter->ahw.board_type) { + case NETXEN_NIC_GBE: + mask = 0x77b; + break; + case NETXEN_NIC_XGBE: + mask = 0x77f; + break; + default: + mask = 0x7ff; + break; + } + + writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); + } + + switch (adapter->portnum) { + case 0: + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_0)); + break; + case 1: + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_1)); + break; + case 2: + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_2)); + break; + case 3: + writel(0x1, NETXEN_CRB_NORMALIZE(adapter, CRB_SW_INT_MASK_3)); + break; + } + + if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { + mask = 0xbff; + if (adapter->intr_scheme != -1 && + adapter->intr_scheme != INTR_SCHEME_PERPORT) { + writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR)); + } + writel(mask, + PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK)); + } + + DPRINTK(1, INFO, "Done with enable Int\n"); +} + /* * netxen_nic_probe() * |