diff options
Diffstat (limited to 'drivers/net/tulip')
| -rw-r--r-- | drivers/net/tulip/tulip.h | 64 | ||||
| -rw-r--r-- | drivers/net/tulip/tulip_core.c | 115 |
2 files changed, 156 insertions, 23 deletions
diff --git a/drivers/net/tulip/tulip.h b/drivers/net/tulip/tulip.h index 0afa2d4f9472..e525875ed67d 100644 --- a/drivers/net/tulip/tulip.h +++ b/drivers/net/tulip/tulip.h @@ -20,6 +20,7 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <linux/netdevice.h> +#include <linux/ethtool.h> #include <linux/timer.h> #include <linux/delay.h> #include <linux/pci.h> @@ -51,22 +52,23 @@ struct tulip_chip_table { enum tbl_flag { - HAS_MII = 0x0001, - HAS_MEDIA_TABLE = 0x0002, - CSR12_IN_SROM = 0x0004, - ALWAYS_CHECK_MII = 0x0008, - HAS_ACPI = 0x0010, - MC_HASH_ONLY = 0x0020, /* Hash-only multicast filter. */ - HAS_PNICNWAY = 0x0080, - HAS_NWAY = 0x0040, /* Uses internal NWay xcvr. */ - HAS_INTR_MITIGATION = 0x0100, - IS_ASIX = 0x0200, - HAS_8023X = 0x0400, - COMET_MAC_ADDR = 0x0800, - HAS_PCI_MWI = 0x1000, - HAS_PHY_IRQ = 0x2000, - HAS_SWAPPED_SEEPROM = 0x4000, - NEEDS_FAKE_MEDIA_TABLE = 0x8000, + HAS_MII = 0x00001, + HAS_MEDIA_TABLE = 0x00002, + CSR12_IN_SROM = 0x00004, + ALWAYS_CHECK_MII = 0x00008, + HAS_ACPI = 0x00010, + MC_HASH_ONLY = 0x00020, /* Hash-only multicast filter. */ + HAS_PNICNWAY = 0x00080, + HAS_NWAY = 0x00040, /* Uses internal NWay xcvr. */ + HAS_INTR_MITIGATION = 0x00100, + IS_ASIX = 0x00200, + HAS_8023X = 0x00400, + COMET_MAC_ADDR = 0x00800, + HAS_PCI_MWI = 0x01000, + HAS_PHY_IRQ = 0x02000, + HAS_SWAPPED_SEEPROM = 0x04000, + NEEDS_FAKE_MEDIA_TABLE = 0x08000, + COMET_PM = 0x10000, }; @@ -120,6 +122,11 @@ enum tulip_offsets { CSR13 = 0x68, CSR14 = 0x70, CSR15 = 0x78, + CSR18 = 0x88, + CSR19 = 0x8c, + CSR20 = 0x90, + CSR27 = 0xAC, + CSR28 = 0xB0, }; /* register offset and bits for CFDD PCI config reg */ @@ -289,6 +296,30 @@ enum t21143_csr6_bits { csr6_mask_100bt = (csr6_scr | csr6_pcs | csr6_hbd), }; +enum tulip_comet_csr13_bits { +/* The LINKOFFE and LINKONE work in conjunction with LSCE, i.e. they + * determine which link status transition wakes up if LSCE is + * enabled */ + comet_csr13_linkoffe = (1 << 17), + comet_csr13_linkone = (1 << 16), + comet_csr13_wfre = (1 << 10), + comet_csr13_mpre = (1 << 9), + comet_csr13_lsce = (1 << 8), + comet_csr13_wfr = (1 << 2), + comet_csr13_mpr = (1 << 1), + comet_csr13_lsc = (1 << 0), +}; + +enum tulip_comet_csr18_bits { + comet_csr18_pmes_sticky = (1 << 24), + comet_csr18_pm_mode = (1 << 19), + comet_csr18_apm_mode = (1 << 18), + comet_csr18_d3a = (1 << 7) +}; + +enum tulip_comet_csr20_bits { + comet_csr20_pmes = (1 << 15), +}; /* Keep the ring sizes a power of two for efficiency. Making the Tx ring too large decreases the effectiveness of channel @@ -411,6 +442,7 @@ struct tulip_private { unsigned int csr6; /* Current CSR6 control settings. */ unsigned char eeprom[EEPROM_SIZE]; /* Serial EEPROM contents. */ void (*link_change) (struct net_device * dev, int csr5); + struct ethtool_wolinfo wolinfo; /* WOL settings */ u16 sym_advertise, mii_advertise; /* NWay capabilities advertised. */ u16 lpar; /* 21143 Link partner ability. */ u16 advertising[4]; diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c index bd3b41daa892..03e96b928c04 100644 --- a/drivers/net/tulip/tulip_core.c +++ b/drivers/net/tulip/tulip_core.c @@ -30,7 +30,6 @@ #include <linux/etherdevice.h> #include <linux/delay.h> #include <linux/mii.h> -#include <linux/ethtool.h> #include <linux/crc32.h> #include <asm/unaligned.h> #include <asm/uaccess.h> @@ -272,6 +271,7 @@ static void tulip_down(struct net_device *dev); static struct net_device_stats *tulip_get_stats(struct net_device *dev); static int private_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); static void set_rx_mode(struct net_device *dev); +static void tulip_set_wolopts(struct pci_dev *pdev, u32 wolopts); #ifdef CONFIG_NET_POLL_CONTROLLER static void poll_tulip(struct net_device *dev); #endif @@ -309,6 +309,11 @@ static void tulip_up(struct net_device *dev) /* Wake the chip from sleep/snooze mode. */ tulip_set_power_state (tp, 0, 0); + /* Disable all WOL events */ + pci_enable_wake(tp->pdev, PCI_D3hot, 0); + pci_enable_wake(tp->pdev, PCI_D3cold, 0); + tulip_set_wolopts(tp->pdev, 0); + /* On some chip revs we must set the MII/SYM port before the reset!? */ if (tp->mii_cnt || (tp->mtable && tp->mtable->has_mii)) iowrite32(0x00040000, ioaddr + CSR6); @@ -345,8 +350,8 @@ static void tulip_up(struct net_device *dev) } else if (tp->flags & COMET_MAC_ADDR) { iowrite32(addr_low, ioaddr + 0xA4); iowrite32(addr_high, ioaddr + 0xA8); - iowrite32(0, ioaddr + 0xAC); - iowrite32(0, ioaddr + 0xB0); + iowrite32(0, ioaddr + CSR27); + iowrite32(0, ioaddr + CSR28); } } else { /* This is set_rx_mode(), but without starting the transmitter. */ @@ -876,8 +881,35 @@ static void tulip_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *in strcpy(info->bus_info, pci_name(np->pdev)); } + +static int tulip_ethtool_set_wol(struct net_device *dev, + struct ethtool_wolinfo *wolinfo) +{ + struct tulip_private *tp = netdev_priv(dev); + + if (wolinfo->wolopts & (~tp->wolinfo.supported)) + return -EOPNOTSUPP; + + tp->wolinfo.wolopts = wolinfo->wolopts; + device_set_wakeup_enable(&tp->pdev->dev, tp->wolinfo.wolopts); + return 0; +} + +static void tulip_ethtool_get_wol(struct net_device *dev, + struct ethtool_wolinfo *wolinfo) +{ + struct tulip_private *tp = netdev_priv(dev); + + wolinfo->supported = tp->wolinfo.supported; + wolinfo->wolopts = tp->wolinfo.wolopts; + return; +} + + static const struct ethtool_ops ops = { - .get_drvinfo = tulip_get_drvinfo + .get_drvinfo = tulip_get_drvinfo, + .set_wol = tulip_ethtool_set_wol, + .get_wol = tulip_ethtool_get_wol, }; /* Provide ioctl() calls to examine the MII xcvr state. */ @@ -1093,8 +1125,8 @@ static void set_rx_mode(struct net_device *dev) iowrite32(3, ioaddr + CSR13); iowrite32(mc_filter[1], ioaddr + CSR14); } else if (tp->flags & COMET_MAC_ADDR) { - iowrite32(mc_filter[0], ioaddr + 0xAC); - iowrite32(mc_filter[1], ioaddr + 0xB0); + iowrite32(mc_filter[0], ioaddr + CSR27); + iowrite32(mc_filter[1], ioaddr + CSR28); } tp->mc_filter[0] = mc_filter[0]; tp->mc_filter[1] = mc_filter[1]; @@ -1434,6 +1466,19 @@ static int __devinit tulip_init_one (struct pci_dev *pdev, tp->chip_id = chip_idx; tp->flags = tulip_tbl[chip_idx].flags; + + tp->wolinfo.supported = 0; + tp->wolinfo.wolopts = 0; + /* COMET: Enable power management only for AN983B */ + if (chip_idx == COMET ) { + u32 sig; + pci_read_config_dword (pdev, 0x80, &sig); + if (sig == 0x09811317) { + tp->flags |= COMET_PM; + tp->wolinfo.supported = WAKE_PHY | WAKE_MAGIC; + printk(KERN_INFO "tulip_init_one: Enabled WOL support for AN983B\n"); + } + } tp->pdev = pdev; tp->base_addr = ioaddr; tp->revision = pdev->revision; @@ -1766,11 +1811,43 @@ err_out_free_netdev: } +/* set the registers according to the given wolopts */ +static void tulip_set_wolopts (struct pci_dev *pdev, u32 wolopts) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct tulip_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->base_addr; + + if (tp->flags & COMET_PM) { + + unsigned int tmp; + + tmp = ioread32(ioaddr + CSR18); + tmp &= ~(comet_csr18_pmes_sticky | comet_csr18_apm_mode | comet_csr18_d3a); + tmp |= comet_csr18_pm_mode; + iowrite32(tmp, ioaddr + CSR18); + + /* Set the Wake-up Control/Status Register to the given WOL options*/ + tmp = ioread32(ioaddr + CSR13); + tmp &= ~(comet_csr13_linkoffe | comet_csr13_linkone | comet_csr13_wfre | comet_csr13_lsce | comet_csr13_mpre); + if (wolopts & WAKE_MAGIC) + tmp |= comet_csr13_mpre; + if (wolopts & WAKE_PHY) + tmp |= comet_csr13_linkoffe | comet_csr13_linkone | comet_csr13_lsce; + /* Clear the event flags */ + tmp |= comet_csr13_wfr | comet_csr13_mpr | comet_csr13_lsc; + iowrite32(tmp, ioaddr + CSR13); + } +} + #ifdef CONFIG_PM + static int tulip_suspend (struct pci_dev *pdev, pm_message_t state) { + pci_power_t pstate; struct net_device *dev = pci_get_drvdata(pdev); + struct tulip_private *tp = netdev_priv(dev); if (!dev) return -EINVAL; @@ -1786,7 +1863,16 @@ static int tulip_suspend (struct pci_dev *pdev, pm_message_t state) save_state: pci_save_state(pdev); pci_disable_device(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); + pstate = pci_choose_state(pdev, state); + if (state.event == PM_EVENT_SUSPEND && pstate != PCI_D0) { + int rc; + + tulip_set_wolopts(pdev, tp->wolinfo.wolopts); + rc = pci_enable_wake(pdev, pstate, tp->wolinfo.wolopts); + if (rc) + printk("tulip: pci_enable_wake failed (%d)\n", rc); + } + pci_set_power_state(pdev, pstate); return 0; } @@ -1795,7 +1881,10 @@ save_state: static int tulip_resume(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); + struct tulip_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->base_addr; int retval; + unsigned int tmp; if (!dev) return -EINVAL; @@ -1816,6 +1905,18 @@ static int tulip_resume(struct pci_dev *pdev) return retval; } + if (tp->flags & COMET_PM) { + pci_enable_wake(pdev, PCI_D3hot, 0); + pci_enable_wake(pdev, PCI_D3cold, 0); + + /* Clear the PMES flag */ + tmp = ioread32(ioaddr + CSR20); + tmp |= comet_csr20_pmes; + iowrite32(tmp, ioaddr + CSR20); + + /* Disable all wake-up events */ + tulip_set_wolopts(pdev, 0); + } netif_device_attach(dev); if (netif_running(dev)) |