LK1.1.19 (Roger Luethi)
- Increase Tx threshold for unspecified errors
+ LK1.2.0-2.6 (Roger Luethi)
+ - Massive clean-up
+ - Rewrite PHY, media handling (remove options, full_duplex, backoff)
+ - Fix Tx engine race for good
+
*/
#define DRV_NAME "via-rhine"
-#define DRV_VERSION "1.1.20-2.6"
-#define DRV_RELDATE "May-23-2004"
+#define DRV_VERSION "1.2.0-2.6"
+#define DRV_RELDATE "June-10-2004"
/* A few user-configurable values.
Setting to > 1518 effectively disables this feature. */
static int rx_copybreak;
-/* Select a backoff algorithm (Ethernet capture effect) */
-static int backoff;
-
-/* Used to pass the media type, etc.
- Both 'options[]' and 'full_duplex[]' should exist for driver
- interoperability.
- The media type is usually passed in 'options[]'.
- The default is autonegotiation for speed and duplex.
- This should rarely be overridden.
- Use option values 0x10/0x20 for 10Mbps, 0x100,0x200 for 100Mbps.
- Use option values 0x10 and 0x100 for forcing half duplex fixed speed.
- Use option values 0x20 and 0x200 for forcing full duplex operation.
-*/
-#define MAX_UNITS 8 /* More are supported, limit only on options */
-static int options[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1};
-static int full_duplex[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1};
+/*
+ * In case you are looking for 'options[]' or 'full_duplex[]', they
+ * are gone. Use ethtool(8) instead.
+ */
/* Maximum number of multicast addresses to filter (vs. rx-all-multicast).
The Rhine has a 64 element 8390-like hash table. */
static char version[] __devinitdata =
KERN_INFO DRV_NAME ".c:v1.10-LK" DRV_VERSION " " DRV_RELDATE " Written by Donald Becker\n";
-static char shortname[] = DRV_NAME;
-
-
/* This driver was written to use PCI memory space. Some early versions
of the Rhine may only work correctly with I/O space accesses. */
#ifdef CONFIG_VIA_RHINE_MMIO
MODULE_PARM(max_interrupt_work, "i");
MODULE_PARM(debug, "i");
MODULE_PARM(rx_copybreak, "i");
-MODULE_PARM(backoff, "i");
-MODULE_PARM(options, "1-" __MODULE_STRING(MAX_UNITS) "i");
-MODULE_PARM(full_duplex, "1-" __MODULE_STRING(MAX_UNITS) "i");
MODULE_PARM_DESC(max_interrupt_work, "VIA Rhine maximum events handled per interrupt");
MODULE_PARM_DESC(debug, "VIA Rhine debug level (0-7)");
MODULE_PARM_DESC(rx_copybreak, "VIA Rhine copy breakpoint for copy-only-tiny-frames");
-MODULE_PARM_DESC(backoff, "VIA Rhine: Bits 0-3: backoff algorithm");
-MODULE_PARM_DESC(options, "VIA Rhine: Bits 0-3: media type, bit 17: full duplex");
-MODULE_PARM_DESC(full_duplex, "VIA Rhine full duplex setting(s) (1)");
/*
Theory of Operation
enum rhine_revs {
VT86C100A = 0x00,
+ VTunknown0 = 0x20,
VT6102 = 0x40,
VT8231 = 0x50, /* Integrated MAC */
VT8233 = 0x60, /* Integrated MAC */
VT8235 = 0x74, /* Integrated MAC */
VT8237 = 0x78, /* Integrated MAC */
- VTunknown0 = 0x7C,
+ VTunknown1 = 0x7C,
VT6105 = 0x80,
VT6105_B0 = 0x83,
VT6105L = 0x8A,
VT6107 = 0x8C,
- VTunknown1 = 0x8E,
- VT6105M = 0x90,
+ VTunknown2 = 0x8E,
+ VT6105M = 0x90, /* Management adapter */
};
enum rhine_quirks {
rqWOL = 0x0001, /* Wake-On-LAN support */
rqForceReset = 0x0002,
- rqDavicomPhy = 0x0020,
rq6patterns = 0x0040, /* 6 instead of 4 patterns for WOL */
rqStatusWBRace = 0x0080, /* Tx Status Writeback Error possible */
rqRhineI = 0x0100, /* See comment below */
/* Offsets to the device registers. */
enum register_offsets {
StationAddr=0x00, RxConfig=0x06, TxConfig=0x07, ChipCmd=0x08,
+ ChipCmd1=0x09,
IntrStatus=0x0C, IntrEnable=0x0E,
MulticastFilter0=0x10, MulticastFilter1=0x14,
RxRingPtr=0x18, TxRingPtr=0x1C, GFIFOTest=0x54,
ConfigA=0x78, ConfigB=0x79, ConfigC=0x7A, ConfigD=0x7B,
RxMissed=0x7C, RxCRCErrs=0x7E, MiscCmd=0x81,
StickyHW=0x83, IntrStatus2=0x84,
- WOLcrSet=0xA0, WOLcrClr=0xA4, WOLcrClr1=0xA6,
- WOLcgClr=0xA7,
+ WOLcrSet=0xA0, PwcfgSet=0xA1, WOLcgSet=0xA3, WOLcrClr=0xA4,
+ WOLcrClr1=0xA6, WOLcgClr=0xA7,
PwrcsrSet=0xA8, PwrcsrSet1=0xA9, PwrcsrClr=0xAC, PwrcsrClr1=0xAD,
};
IntrTxErrSummary=0x082218,
};
+/* Bits in WOLcrSet/WOLcrClr and PwrcsrSet/PwrcsrClr */
+enum wol_bits {
+ WOLucast = 0x10,
+ WOLmagic = 0x20,
+ WOLbmcast = 0x30,
+ WOLlnkon = 0x40,
+ WOLlnkoff = 0x80,
+};
+
/* The Rx and Tx buffer descriptors. */
struct rx_desc {
s32 rx_status;
/* Bits in ChipCmd. */
enum chip_cmd_bits {
- CmdInit=0x0001, CmdStart=0x0002, CmdStop=0x0004, CmdRxOn=0x0008,
- CmdTxOn=0x0010, CmdTxDemand=0x0020, CmdRxDemand=0x0040,
- CmdEarlyRx=0x0100, CmdEarlyTx=0x0200, CmdFDuplex=0x0400,
- CmdNoTxPoll=0x0800, CmdReset=0x8000,
+ CmdInit=0x01, CmdStart=0x02, CmdStop=0x04, CmdRxOn=0x08,
+ CmdTxOn=0x10, Cmd1TxDemand=0x20, CmdRxDemand=0x40,
+ Cmd1EarlyRx=0x01, Cmd1EarlyTx=0x02, Cmd1FDuplex=0x04,
+ Cmd1NoTxPoll=0x08, Cmd1Reset=0x80,
};
-#define MAX_MII_CNT 4
struct rhine_private {
/* Descriptor rings */
struct rx_desc *rx_ring;
dma_addr_t tx_bufs_dma;
struct pci_dev *pdev;
+ long pioaddr;
struct net_device_stats stats;
- struct timer_list timer; /* Media monitoring timer. */
spinlock_t lock;
/* Frequently used values: keep some adjacent for cache effect. */
unsigned int cur_rx, dirty_rx; /* Producer/consumer ring indices */
unsigned int cur_tx, dirty_tx;
unsigned int rx_buf_sz; /* Based on MTU+slack. */
- u16 chip_cmd; /* Current setting for ChipCmd */
+ u8 wolopts;
- /* These values are keep track of the transceiver/media in use. */
u8 tx_thresh, rx_thresh;
- /* MII transceiver section. */
- unsigned char phys[MAX_MII_CNT]; /* MII device addresses. */
- unsigned int mii_cnt; /* number of MIIs found, but only the first one is used */
- u16 mii_status; /* last read MII status */
struct mii_if_info mii_if;
};
static int mdio_read(struct net_device *dev, int phy_id, int location);
static void mdio_write(struct net_device *dev, int phy_id, int location, int value);
static int rhine_open(struct net_device *dev);
-static void rhine_check_duplex(struct net_device *dev);
-static void rhine_timer(unsigned long data);
static void rhine_tx_timeout(struct net_device *dev);
static int rhine_start_tx(struct sk_buff *skb, struct net_device *dev);
static irqreturn_t rhine_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static struct ethtool_ops netdev_ethtool_ops;
static int rhine_close(struct net_device *dev);
+static void rhine_shutdown (struct device *gdev);
+
+#define RHINE_WAIT_FOR(condition) do { \
+ int i=1024; \
+ while (!(condition) && --i) \
+ ; \
+ if (debug > 1 && i < 512) \
+ printk(KERN_INFO "%s: %4d cycles used @ %s:%d\n", \
+ DRV_NAME, 1024-i, __func__, __LINE__); \
+} while(0)
static inline u32 get_intr_status(struct net_device *dev)
{
/*
* Get power related registers into sane state.
- * Returns content of power-event (WOL) registers.
+ * Notify user about past WOL event.
*/
static void rhine_power_init(struct net_device *dev)
{
long ioaddr = dev->base_addr;
struct rhine_private *rp = netdev_priv(dev);
+ u16 wolstat;
if (rp->quirks & rqWOL) {
/* Make sure chip is in power state D0 */
if (rp->quirks & rq6patterns)
writeb(0x03, ioaddr + WOLcrClr1);
+ /* Save power-event status bits */
+ wolstat = readb(ioaddr + PwrcsrSet);
+ if (rp->quirks & rq6patterns)
+ wolstat |= (readb(ioaddr + PwrcsrSet1) & 0x03) << 8;
+
/* Clear power-event status bits */
writeb(0xFF, ioaddr + PwrcsrClr);
if (rp->quirks & rq6patterns)
writeb(0x03, ioaddr + PwrcsrClr1);
+
+ if (wolstat) {
+ char *reason;
+ switch (wolstat) {
+ case WOLmagic:
+ reason = "Magic packet";
+ break;
+ case WOLlnkon:
+ reason = "Link went up";
+ break;
+ case WOLlnkoff:
+ reason = "Link went down";
+ break;
+ case WOLucast:
+ reason = "Unicast packet";
+ break;
+ case WOLbmcast:
+ reason = "Multicast/broadcast packet";
+ break;
+ default:
+ reason = "Unknown";
+ }
+ printk(KERN_INFO "%s: Woke system up. Reason: %s.\n",
+ DRV_NAME, reason);
+ }
}
}
-static void wait_for_reset(struct net_device *dev, u32 quirks, char *name)
+static void rhine_chip_reset(struct net_device *dev)
{
long ioaddr = dev->base_addr;
- int boguscnt = 20;
+ struct rhine_private *rp = netdev_priv(dev);
+ writeb(Cmd1Reset, ioaddr + ChipCmd1);
IOSYNC;
- if (readw(ioaddr + ChipCmd) & CmdReset) {
+ if (readb(ioaddr + ChipCmd1) & Cmd1Reset) {
printk(KERN_INFO "%s: Reset not complete yet. "
- "Trying harder.\n", name);
+ "Trying harder.\n", DRV_NAME);
- /* Rhine-II needs to be forced sometimes */
- if (quirks & rqForceReset)
+ /* Force reset */
+ if (rp->quirks & rqForceReset)
writeb(0x40, ioaddr + MiscCmd);
- /* VT86C100A may need long delay after reset (dlink) */
- /* Seen on Rhine-II as well (rl) */
- while ((readw(ioaddr + ChipCmd) & CmdReset) && --boguscnt)
- udelay(5);
-
+ /* Reset can take somewhat longer (rare) */
+ RHINE_WAIT_FOR(!(readb(ioaddr + ChipCmd1) & Cmd1Reset));
}
if (debug > 1)
- printk(KERN_INFO "%s: Reset %s.\n", name,
- boguscnt ? "succeeded" : "failed");
+ printk(KERN_INFO "%s: Reset %s.\n", dev->name,
+ (readb(ioaddr + ChipCmd1) & Cmd1Reset) ?
+ "failed" : "succeeded");
}
#ifdef USE_MMIO
-static void __devinit enable_mmio(long ioaddr, u32 quirks)
+static void __devinit enable_mmio(long pioaddr, u32 quirks)
{
int n;
if (quirks & rqRhineI) {
/* More recent docs say that this bit is reserved ... */
- n = inb(ioaddr + ConfigA) | 0x20;
- outb(n, ioaddr + ConfigA);
+ n = inb(pioaddr + ConfigA) | 0x20;
+ outb(n, pioaddr + ConfigA);
} else {
- n = inb(ioaddr + ConfigD) | 0x80;
- outb(n, ioaddr + ConfigD);
+ n = inb(pioaddr + ConfigD) | 0x80;
+ outb(n, pioaddr + ConfigD);
}
}
#endif
-static void __devinit reload_eeprom(long ioaddr)
+/*
+ * Loads bytes 0x00-0x05, 0x6E-0x6F, 0x78-0x7B from EEPROM
+ * (plus 0x6C for Rhine-I/II)
+ */
+static void __devinit rhine_reload_eeprom(long pioaddr, struct net_device *dev)
{
- int i;
- outb(0x20, ioaddr + MACRegEEcsr);
- /* Typically 2 cycles to reload. */
- for (i = 0; i < 150; i++)
- if (! (inb(ioaddr + MACRegEEcsr) & 0x20))
- break;
+ long ioaddr = dev->base_addr;
+ struct rhine_private *rp = netdev_priv(dev);
+
+ outb(0x20, pioaddr + MACRegEEcsr);
+ RHINE_WAIT_FOR(!(inb(pioaddr + MACRegEEcsr) & 0x20));
+
+#ifdef USE_MMIO
+ /*
+ * Reloading from EEPROM overwrites ConfigA-D, so we must re-enable
+ * MMIO. If reloading EEPROM was done first this could be avoided, but
+ * it is not known if that still works with the "win98-reboot" problem.
+ */
+ enable_mmio(pioaddr, rp->quirks);
+#endif
+
+ /* Turn off EEPROM-controlled wake-up (magic packet) */
+ if (rp->quirks & rqWOL)
+ writeb(readb(ioaddr + ConfigA) & 0xFE, ioaddr + ConfigA);
+
}
#ifdef CONFIG_NET_POLL_CONTROLLER
}
#endif
+static void rhine_hw_init(struct net_device *dev, long pioaddr)
+{
+ struct rhine_private *rp = netdev_priv(dev);
+
+ /* Reset the chip to erase previous misconfiguration. */
+ rhine_chip_reset(dev);
+
+ /* Rhine-I needs extra time to recuperate before EEPROM reload */
+ if (rp->quirks & rqRhineI)
+ msleep(5);
+
+ /* Reload EEPROM controlled bytes cleared by soft reset */
+ rhine_reload_eeprom(pioaddr, dev);
+}
+
static int __devinit rhine_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct net_device *dev;
struct rhine_private *rp;
- int i, option, rc;
+ int i, rc;
u8 pci_rev;
u32 quirks;
- static int card_idx = -1;
- long ioaddr;
+ long pioaddr;
long memaddr;
- int io_size;
- int phy, phy_idx = 0;
-#ifdef USE_MMIO
- long ioaddr0;
-#endif
+ long ioaddr;
+ int io_size, phy_id;
const char *name;
/* when built into the kernel, we only print version if device is found */
printk(version);
#endif
- card_idx++;
- option = card_idx < MAX_UNITS ? options[card_idx] : 0;
pci_read_config_byte(pdev, PCI_REVISION_ID, &pci_rev);
io_size = 256;
- if (pci_rev < VT6102) {
- quirks = rqRhineI | rqDavicomPhy;
+ phy_id = 0;
+ quirks = 0;
+ name = "Rhine";
+ if (pci_rev < VTunknown0) {
+ quirks = rqRhineI;
io_size = 128;
- name = "VT86C100A Rhine";
}
- else {
+ else if (pci_rev >= VT6102) {
quirks = rqWOL | rqForceReset;
if (pci_rev < VT6105) {
name = "Rhine II";
quirks |= rqStatusWBRace; /* Rhine-II exclusive */
}
else {
- name = "Rhine III";
+ phy_id = 1; /* Integrated PHY, phy_id fixed to 1 */
if (pci_rev >= VT6105_B0)
quirks |= rq6patterns;
+ if (pci_rev < VT6105M)
+ name = "Rhine III";
+ else
+ name = "Rhine III (Management Adapter)";
}
}
goto err_out;
}
- ioaddr = pci_resource_start(pdev, 0);
+ pioaddr = pci_resource_start(pdev, 0);
memaddr = pci_resource_start(pdev, 1);
pci_set_master(pdev);
- dev = alloc_etherdev(sizeof(*rp));
- if (dev == NULL) {
+ dev = alloc_etherdev(sizeof(struct rhine_private));
+ if (!dev) {
rc = -ENOMEM;
- printk(KERN_ERR "init_ethernet failed for card #%d\n",
- card_idx);
+ printk(KERN_ERR "alloc_etherdev failed\n");
goto err_out;
}
SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
- rc = pci_request_regions(pdev, shortname);
+ rp = netdev_priv(dev);
+ rp->quirks = quirks;
+ rp->pioaddr = pioaddr;
+ rp->pdev = pdev;
+
+ rc = pci_request_regions(pdev, DRV_NAME);
if (rc)
goto err_out_free_netdev;
#ifdef USE_MMIO
- ioaddr0 = ioaddr;
- enable_mmio(ioaddr0, quirks);
+ enable_mmio(pioaddr, quirks);
ioaddr = (long) ioremap(memaddr, io_size);
if (!ioaddr) {
i = 0;
while (mmio_verify_registers[i]) {
int reg = mmio_verify_registers[i++];
- unsigned char a = inb(ioaddr0+reg);
+ unsigned char a = inb(pioaddr+reg);
unsigned char b = readb(ioaddr+reg);
if (a != b) {
rc = -EIO;
goto err_out_unmap;
}
}
+#else
+ ioaddr = pioaddr;
#endif /* USE_MMIO */
+
dev->base_addr = ioaddr;
- rp = netdev_priv(dev);
- rp->quirks = quirks;
+ /* Get chip registers into a sane state */
rhine_power_init(dev);
-
- /* Reset the chip to erase previous misconfiguration. */
- writew(CmdReset, ioaddr + ChipCmd);
-
- wait_for_reset(dev, quirks, shortname);
-
- /* Reload the station address from the EEPROM. */
-#ifdef USE_MMIO
- reload_eeprom(ioaddr0);
- /* Reloading from eeprom overwrites cfgA-D, so we must re-enable MMIO.
- If reload_eeprom() was done first this could be avoided, but it is
- not known if that still works with the "win98-reboot" problem. */
- enable_mmio(ioaddr0, quirks);
-#else
- reload_eeprom(ioaddr);
-#endif
+ rhine_hw_init(dev, pioaddr);
for (i = 0; i < 6; i++)
dev->dev_addr[i] = readb(ioaddr + StationAddr + i);
if (!is_valid_ether_addr(dev->dev_addr)) {
rc = -EIO;
- printk(KERN_ERR "Invalid MAC address for card #%d\n", card_idx);
+ printk(KERN_ERR "Invalid MAC address\n");
goto err_out_unmap;
}
- if (quirks & rqWOL) {
- /*
- * for 3065D, EEPROM reloaded will cause bit 0 in MAC_REG_CFGA
- * turned on. it makes MAC receive magic packet
- * automatically. So, we turn it off. (D-Link)
- */
- writeb(readb(ioaddr + ConfigA) & 0xFE, ioaddr + ConfigA);
- }
-
- /* Select backoff algorithm */
- if (backoff)
- writeb(readb(ioaddr + ConfigD) & (0xF0 | backoff),
- ioaddr + ConfigD);
+ /* For Rhine-I/II, phy_id is loaded from EEPROM */
+ if (!phy_id)
+ phy_id = readb(ioaddr + 0x6C);
dev->irq = pdev->irq;
spin_lock_init(&rp->lock);
- rp->pdev = pdev;
rp->mii_if.dev = dev;
rp->mii_if.mdio_read = mdio_read;
rp->mii_if.mdio_write = mdio_write;
rp->mii_if.phy_id_mask = 0x1f;
rp->mii_if.reg_num_mask = 0x1f;
- if (dev->mem_start)
- option = dev->mem_start;
-
/* The chip-specific entries in the device structure. */
dev->open = rhine_open;
dev->hard_start_xmit = rhine_start_tx;
if (rc)
goto err_out_unmap;
- /* The lower four bits are the media type. */
- if (option > 0) {
- if (option & 0x220)
- rp->mii_if.full_duplex = 1;
- }
- if (card_idx < MAX_UNITS && full_duplex[card_idx] > 0)
- rp->mii_if.full_duplex = 1;
-
- if (rp->mii_if.full_duplex) {
- printk(KERN_INFO "%s: Set to forced full duplex, "
- "autonegotiation disabled.\n", dev->name);
- rp->mii_if.force_media = 1;
- }
-
printk(KERN_INFO "%s: VIA %s at 0x%lx, ",
dev->name, name,
#ifdef USE_MMIO
pci_set_drvdata(pdev, dev);
- rp->phys[0] = 1; /* Standard for this chip. */
- for (phy = 1; phy < 32 && phy_idx < MAX_MII_CNT; phy++) {
- int mii_status = mdio_read(dev, phy, 1);
+ {
+ u16 mii_cmd;
+ int mii_status = mdio_read(dev, phy_id, 1);
+ mii_cmd = mdio_read(dev, phy_id, MII_BMCR) & ~BMCR_ISOLATE;
+ mdio_write(dev, phy_id, MII_BMCR, mii_cmd);
if (mii_status != 0xffff && mii_status != 0x0000) {
- rp->phys[phy_idx++] = phy;
- rp->mii_if.advertising = mdio_read(dev, phy, 4);
+ rp->mii_if.advertising = mdio_read(dev, phy_id, 4);
printk(KERN_INFO "%s: MII PHY found at address "
"%d, status 0x%4.4x advertising %4.4x "
- "Link %4.4x.\n", dev->name, phy,
+ "Link %4.4x.\n", dev->name, phy_id,
mii_status, rp->mii_if.advertising,
- mdio_read(dev, phy, 5));
+ mdio_read(dev, phy_id, 5));
/* set IFF_RUNNING */
if (mii_status & BMSR_LSTATUS)
else
netif_carrier_off(dev);
- break;
- }
- }
- rp->mii_cnt = phy_idx;
- rp->mii_if.phy_id = rp->phys[0];
-
- /* Allow forcing the media type. */
- if (option > 0) {
- if (option & 0x220)
- rp->mii_if.full_duplex = 1;
- if (option & 0x330) {
- printk(KERN_INFO " Forcing %dMbs %s-duplex "
- "operation.\n",
- (option & 0x300 ? 100 : 10),
- (option & 0x220 ? "full" : "half"));
- if (rp->mii_cnt)
- mdio_write(dev, rp->phys[0], MII_BMCR,
- ((option & 0x300) ? 0x2000 : 0) | /* 100mbps? */
- ((option & 0x220) ? 0x0100 : 0)); /* Full duplex? */
}
}
+ rp->mii_if.phy_id = phy_id;
return 0;
}
}
+static void rhine_check_media(struct net_device *dev, unsigned int init_media)
+{
+ struct rhine_private *rp = netdev_priv(dev);
+ long ioaddr = dev->base_addr;
+
+ mii_check_media(&rp->mii_if, debug, init_media);
+
+ if (rp->mii_if.full_duplex)
+ writeb(readb(ioaddr + ChipCmd1) | Cmd1FDuplex,
+ ioaddr + ChipCmd1);
+ else
+ writeb(readb(ioaddr + ChipCmd1) & ~Cmd1FDuplex,
+ ioaddr + ChipCmd1);
+}
+
static void init_registers(struct net_device *dev)
{
struct rhine_private *rp = netdev_priv(dev);
writeb(0x20, ioaddr + TxConfig);
rp->tx_thresh = 0x20;
rp->rx_thresh = 0x60; /* Written in rhine_set_rx_mode(). */
- rp->mii_if.full_duplex = 0;
writel(rp->rx_ring_dma, ioaddr + RxRingPtr);
writel(rp->tx_ring_dma, ioaddr + TxRingPtr);
IntrPCIErr | IntrStatsMax | IntrLinkChange,
ioaddr + IntrEnable);
- rp->chip_cmd = CmdStart|CmdTxOn|CmdRxOn|CmdNoTxPoll;
- if (rp->mii_if.force_media)
- rp->chip_cmd |= CmdFDuplex;
- writew(rp->chip_cmd, ioaddr + ChipCmd);
+ writew(CmdStart | CmdTxOn | CmdRxOn | (Cmd1NoTxPoll << 8),
+ ioaddr + ChipCmd);
+ rhine_check_media(dev, 1);
+}
+
+/* Enable MII link status auto-polling (required for IntrLinkChange) */
+static void rhine_enable_linkmon(long ioaddr)
+{
+ writeb(0, ioaddr + MIICmd);
+ writeb(MII_BMSR, ioaddr + MIIRegAddr);
+ writeb(0x80, ioaddr + MIICmd);
+
+ RHINE_WAIT_FOR((readb(ioaddr + MIIRegAddr) & 0x20));
+
+ writeb(MII_BMSR | 0x40, ioaddr + MIIRegAddr);
+}
+
+/* Disable MII link status auto-polling (required for MDIO access) */
+static void rhine_disable_linkmon(long ioaddr, u32 quirks)
+{
+ writeb(0, ioaddr + MIICmd);
+
+ if (quirks & rqRhineI) {
+ writeb(0x01, ioaddr + MIIRegAddr); // MII_BMSR
+
+ /* Can be called from ISR. Evil. */
+ mdelay(1);
+
+ /* 0x80 must be set immediately before turning it off */
+ writeb(0x80, ioaddr + MIICmd);
- rhine_check_duplex(dev);
+ RHINE_WAIT_FOR(readb(ioaddr + MIIRegAddr) & 0x20);
- /* The LED outputs of various MII xcvrs should be configured. */
- /* For NS or Mison phys, turn on bit 1 in register 0x17 */
- mdio_write(dev, rp->phys[0], 0x17, mdio_read(dev, rp->phys[0], 0x17) |
- 0x0001);
+ /* Heh. Now clear 0x80 again. */
+ writeb(0, ioaddr + MIICmd);
+ }
+ else
+ RHINE_WAIT_FOR(readb(ioaddr + MIIRegAddr) & 0x80);
}
/* Read and write over the MII Management Data I/O (MDIO) interface. */
static int mdio_read(struct net_device *dev, int phy_id, int regnum)
{
long ioaddr = dev->base_addr;
- int boguscnt = 1024;
+ struct rhine_private *rp = netdev_priv(dev);
+ int result;
- /* Wait for a previous command to complete. */
- while ((readb(ioaddr + MIICmd) & 0x60) && --boguscnt > 0)
- ;
- writeb(0x00, ioaddr + MIICmd);
+ rhine_disable_linkmon(ioaddr, rp->quirks);
+
+ /* rhine_disable_linkmon already cleared MIICmd */
writeb(phy_id, ioaddr + MIIPhyAddr);
writeb(regnum, ioaddr + MIIRegAddr);
writeb(0x40, ioaddr + MIICmd); /* Trigger read */
- boguscnt = 1024;
- while ((readb(ioaddr + MIICmd) & 0x40) && --boguscnt > 0)
- ;
- return readw(ioaddr + MIIData);
+ RHINE_WAIT_FOR(!(readb(ioaddr + MIICmd) & 0x40));
+ result = readw(ioaddr + MIIData);
+
+ rhine_enable_linkmon(ioaddr);
+ return result;
}
static void mdio_write(struct net_device *dev, int phy_id, int regnum, int value)
{
struct rhine_private *rp = netdev_priv(dev);
long ioaddr = dev->base_addr;
- int boguscnt = 1024;
- if (phy_id == rp->phys[0]) {
- switch (regnum) {
- case MII_BMCR: /* Is user forcing speed/duplex? */
- if (value & 0x9000) /* Autonegotiation. */
- rp->mii_if.force_media = 0;
- else
- rp->mii_if.full_duplex = (value & 0x0100) ? 1 : 0;
- break;
- case MII_ADVERTISE:
- rp->mii_if.advertising = value;
- break;
- }
- }
+ rhine_disable_linkmon(ioaddr, rp->quirks);
- /* Wait for a previous command to complete. */
- while ((readb(ioaddr + MIICmd) & 0x60) && --boguscnt > 0)
- ;
- writeb(0x00, ioaddr + MIICmd);
+ /* rhine_disable_linkmon already cleared MIICmd */
writeb(phy_id, ioaddr + MIIPhyAddr);
writeb(regnum, ioaddr + MIIRegAddr);
writew(value, ioaddr + MIIData);
- writeb(0x20, ioaddr + MIICmd); /* Trigger write. */
-}
+ writeb(0x20, ioaddr + MIICmd); /* Trigger write */
+ RHINE_WAIT_FOR(!(readb(ioaddr + MIICmd) & 0x20));
+ rhine_enable_linkmon(ioaddr);
+}
static int rhine_open(struct net_device *dev)
{
struct rhine_private *rp = netdev_priv(dev);
long ioaddr = dev->base_addr;
- int i;
-
- /* Reset the chip. */
- writew(CmdReset, ioaddr + ChipCmd);
+ int rc;
- i = request_irq(rp->pdev->irq, &rhine_interrupt, SA_SHIRQ, dev->name,
+ rc = request_irq(rp->pdev->irq, &rhine_interrupt, SA_SHIRQ, dev->name,
dev);
- if (i)
- return i;
+ if (rc)
+ return rc;
if (debug > 1)
printk(KERN_DEBUG "%s: rhine_open() irq %d.\n",
dev->name, rp->pdev->irq);
- i = alloc_ring(dev);
- if (i)
- return i;
+ rc = alloc_ring(dev);
+ if (rc)
+ return rc;
alloc_rbufs(dev);
alloc_tbufs(dev);
- wait_for_reset(dev, rp->quirks, dev->name);
+ rhine_chip_reset(dev);
init_registers(dev);
if (debug > 2)
printk(KERN_DEBUG "%s: Done rhine_open(), status %4.4x "
"MII status: %4.4x.\n",
dev->name, readw(ioaddr + ChipCmd),
- mdio_read(dev, rp->phys[0], MII_BMSR));
+ mdio_read(dev, rp->mii_if.phy_id, MII_BMSR));
netif_start_queue(dev);
- /* Set the timer to check for link beat. */
- init_timer(&rp->timer);
- rp->timer.expires = jiffies + 2 * HZ/100;
- rp->timer.data = (unsigned long)dev;
- rp->timer.function = &rhine_timer; /* timer handler */
- add_timer(&rp->timer);
-
return 0;
}
-static void rhine_check_duplex(struct net_device *dev)
-{
- struct rhine_private *rp = netdev_priv(dev);
- long ioaddr = dev->base_addr;
- int mii_lpa = mdio_read(dev, rp->phys[0], MII_LPA);
- int negotiated = mii_lpa & rp->mii_if.advertising;
- int duplex;
-
- if (rp->mii_if.force_media || mii_lpa == 0xffff)
- return;
- duplex = (negotiated & 0x0100) || (negotiated & 0x01C0) == 0x0040;
- if (rp->mii_if.full_duplex != duplex) {
- rp->mii_if.full_duplex = duplex;
- if (debug)
- printk(KERN_INFO "%s: Setting %s-duplex based on "
- "MII #%d link partner capability of %4.4x.\n",
- dev->name, duplex ? "full" : "half",
- rp->phys[0], mii_lpa);
- if (duplex)
- rp->chip_cmd |= CmdFDuplex;
- else
- rp->chip_cmd &= ~CmdFDuplex;
- writew(rp->chip_cmd, ioaddr + ChipCmd);
- }
-}
-
-
-static void rhine_timer(unsigned long data)
-{
- struct net_device *dev = (struct net_device *)data;
- struct rhine_private *rp = netdev_priv(dev);
- long ioaddr = dev->base_addr;
- int next_tick = 10*HZ;
- int mii_status;
-
- if (debug > 3) {
- printk(KERN_DEBUG "%s: VIA Rhine monitor tick, status %4.4x.\n",
- dev->name, readw(ioaddr + IntrStatus));
- }
-
- spin_lock_irq (&rp->lock);
-
- rhine_check_duplex(dev);
-
- /* make IFF_RUNNING follow the MII status bit "Link established" */
- mii_status = mdio_read(dev, rp->phys[0], MII_BMSR);
- if ((mii_status & BMSR_LSTATUS) != (rp->mii_status & BMSR_LSTATUS)) {
- if (mii_status & BMSR_LSTATUS)
- netif_carrier_on(dev);
- else
- netif_carrier_off(dev);
- }
- rp->mii_status = mii_status;
-
- spin_unlock_irq(&rp->lock);
-
- rp->timer.expires = jiffies + next_tick;
- add_timer(&rp->timer);
-}
-
-
static void rhine_tx_timeout(struct net_device *dev)
{
struct rhine_private *rp = netdev_priv(dev);
printk(KERN_WARNING "%s: Transmit timed out, status %4.4x, PHY status "
"%4.4x, resetting...\n",
dev->name, readw(ioaddr + IntrStatus),
- mdio_read(dev, rp->phys[0], MII_BMSR));
+ mdio_read(dev, rp->mii_if.phy_id, MII_BMSR));
/* protect against concurrent rx interrupts */
disable_irq(rp->pdev->irq);
spin_lock(&rp->lock);
- /* Reset the chip. */
- writew(CmdReset, ioaddr + ChipCmd);
-
/* clear all descriptors */
free_tbufs(dev);
free_rbufs(dev);
alloc_rbufs(dev);
/* Reinitialize the hardware. */
- wait_for_reset(dev, rp->quirks, dev->name);
+ rhine_chip_reset(dev);
init_registers(dev);
spin_unlock(&rp->lock);
static int rhine_start_tx(struct sk_buff *skb, struct net_device *dev)
{
struct rhine_private *rp = netdev_priv(dev);
+ long ioaddr = dev->base_addr;
unsigned entry;
- u32 intr_status;
/* Caution: the write order is important here, set the field
with the "ownership" bits last. */
/* Non-x86 Todo: explicitly flush cache lines here. */
- /*
- * Wake the potentially-idle transmit channel unless errors are
- * pending (the ISR must sort them out first).
- */
- intr_status = get_intr_status(dev);
- if ((intr_status & IntrTxErrSummary) == 0) {
- writew(CmdTxDemand | rp->chip_cmd, dev->base_addr + ChipCmd);
- }
+ /* Wake the potentially-idle transmit channel */
+ writeb(readb(ioaddr + ChipCmd1) | Cmd1TxDemand,
+ ioaddr + ChipCmd1);
IOSYNC;
if (rp->cur_tx == rp->dirty_tx + TX_QUEUE_LEN)
if (intr_status & (IntrTxErrSummary | IntrTxDone)) {
if (intr_status & IntrTxErrSummary) {
- int cnt = 20;
/* Avoid scavenging before Tx engine turned off */
- while ((readw(ioaddr+ChipCmd) & CmdTxOn) && --cnt)
- udelay(5);
- if (debug > 2 && !cnt)
+ RHINE_WAIT_FOR(!(readb(ioaddr+ChipCmd) & CmdTxOn));
+ if (debug > 2 &&
+ readb(ioaddr+ChipCmd) & CmdTxOn)
printk(KERN_WARNING "%s: "
"rhine_interrupt() Tx engine"
"still on.\n", dev->name);
rp->rx_buf_sz,
PCI_DMA_FROMDEVICE);
- /* *_IP_COPYSUM isn't defined anywhere and
- eth_copy_and_sum is memcpy for all archs so
- this is kind of pointless right now
- ... or? */
eth_copy_and_sum(skb,
rp->rx_skbuff[entry]->tail,
pkt_len, 0);
}
rp->rx_ring[entry].rx_status = cpu_to_le32(DescOwn);
}
-
- /* Pre-emptively restart Rx engine. */
- writew(readw(dev->base_addr + ChipCmd) | CmdRxOn | CmdRxDemand,
- dev->base_addr + ChipCmd);
}
/*
writel(rp->tx_ring_dma + entry * sizeof(struct tx_desc),
ioaddr + TxRingPtr);
- writew(CmdTxDemand | rp->chip_cmd, ioaddr + ChipCmd);
+ writeb(readb(ioaddr + ChipCmd) | CmdTxOn,
+ ioaddr + ChipCmd);
+ writeb(readb(ioaddr + ChipCmd1) | Cmd1TxDemand,
+ ioaddr + ChipCmd1);
IOSYNC;
}
else {
spin_lock(&rp->lock);
- if (intr_status & (IntrLinkChange)) {
- if (readb(ioaddr + MIIStatus) & 0x02) {
- /* Link failed, restart autonegotiation. */
- if (rp->quirks & rqRhineI)
- mdio_write(dev, rp->phys[0], MII_BMCR, 0x3300);
- } else
- rhine_check_duplex(dev);
- if (debug)
- printk(KERN_ERR "%s: MII status changed: "
- "Autonegotiation advertising %4.4x partner "
- "%4.4x.\n", dev->name,
- mdio_read(dev, rp->phys[0], MII_ADVERTISE),
- mdio_read(dev, rp->phys[0], MII_LPA));
- }
+ if (intr_status & IntrLinkChange)
+ rhine_check_media(dev, 0);
if (intr_status & IntrStatsMax) {
rp->stats.rx_crc_errors += readw(ioaddr + RxCRCErrs);
rp->stats.rx_missed_errors += readw(ioaddr + RxMissed);
i++, mclist = mclist->next) {
int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26;
- mc_filter[bit_nr >> 5] |= cpu_to_le32(1 << (bit_nr & 31));
+ mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
}
writel(mc_filter[0], ioaddr + MulticastFilter0);
writel(mc_filter[1], ioaddr + MulticastFilter1);
debug = value;
}
+static void rhine_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+ struct rhine_private *rp = netdev_priv(dev);
+
+ if (!(rp->quirks & rqWOL))
+ return;
+
+ spin_lock_irq(&rp->lock);
+ wol->supported = WAKE_PHY | WAKE_MAGIC |
+ WAKE_UCAST | WAKE_MCAST | WAKE_BCAST; /* Untested */
+ wol->wolopts = rp->wolopts;
+ spin_unlock_irq(&rp->lock);
+}
+
+static int rhine_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
+{
+ struct rhine_private *rp = netdev_priv(dev);
+ u32 support = WAKE_PHY | WAKE_MAGIC |
+ WAKE_UCAST | WAKE_MCAST | WAKE_BCAST; /* Untested */
+
+ if (!(rp->quirks & rqWOL))
+ return -EINVAL;
+
+ if (wol->wolopts & ~support)
+ return -EINVAL;
+
+ spin_lock_irq(&rp->lock);
+ rp->wolopts = wol->wolopts;
+ spin_unlock_irq(&rp->lock);
+
+ return 0;
+}
+
static struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
.get_settings = netdev_get_settings,
.get_link = netdev_get_link,
.get_msglevel = netdev_get_msglevel,
.set_msglevel = netdev_set_msglevel,
+ .get_wol = rhine_get_wol,
+ .set_wol = rhine_set_wol,
.get_sg = ethtool_op_get_sg,
.get_tx_csum = ethtool_op_get_tx_csum,
};
long ioaddr = dev->base_addr;
struct rhine_private *rp = netdev_priv(dev);
- del_timer_sync(&rp->timer);
-
spin_lock_irq(&rp->lock);
netif_stop_queue(dev);
pci_set_drvdata(pdev, NULL);
}
+static void rhine_shutdown (struct device *gendev)
+{
+ struct pci_dev *pdev = to_pci_dev(gendev);
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct rhine_private *rp = netdev_priv(dev);
+
+ long ioaddr = dev->base_addr;
+
+ rhine_power_init(dev);
+
+ /* Make sure we use pattern 0, 1 and not 4, 5 */
+ if (rp->quirks & rq6patterns)
+ writeb(0x04, ioaddr + 0xA7);
+
+ if (rp->wolopts & WAKE_MAGIC)
+ writeb(WOLmagic, ioaddr + WOLcrSet);
+
+ if (rp->wolopts & (WAKE_BCAST|WAKE_MCAST))
+ writeb(WOLbmcast, ioaddr + WOLcgSet);
+
+ if (rp->wolopts & WAKE_PHY)
+ writeb(WOLlnkon | WOLlnkoff, ioaddr + WOLcrSet);
+
+ if (rp->wolopts & WAKE_UCAST)
+ writeb(WOLucast, ioaddr + WOLcrSet);
+
+ /* Enable legacy WOL (for old motherboards) */
+ writeb(0x01, ioaddr + PwcfgSet);
+ writeb(readb(ioaddr + StickyHW) | 0x04, ioaddr + StickyHW);
+
+ /* Hit power state D3 (sleep) */
+ writeb(readb(ioaddr + StickyHW) | 0x03, ioaddr + StickyHW);
+
+ /* TODO: Check use of pci_enable_wake() */
+
+}
+
+#ifdef CONFIG_PM
+static int rhine_suspend(struct pci_dev *pdev, u32 state)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct rhine_private *rp = netdev_priv(dev);
+ unsigned long flags;
+
+ if (!netif_running(dev))
+ return 0;
+
+ netif_device_detach(dev);
+ pci_save_state(pdev, pdev->saved_config_space);
+
+ spin_lock_irqsave(&rp->lock, flags);
+ rhine_shutdown(&pdev->dev);
+ spin_unlock_irqrestore(&rp->lock, flags);
+
+ return 0;
+}
+
+static int rhine_resume(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct rhine_private *rp = netdev_priv(dev);
+ unsigned long flags;
+ int ret;
+
+ if (!netif_running(dev))
+ return 0;
+
+ ret = pci_set_power_state(pdev, 0);
+ if (debug > 1)
+ printk(KERN_INFO "%s: Entering power state D0 %s (%d).\n",
+ dev->name, ret ? "failed" : "succeeded", ret);
+
+ pci_restore_state(pdev, pdev->saved_config_space);
+
+ spin_lock_irqsave(&rp->lock, flags);
+#ifdef USE_MMIO
+ enable_mmio(rp->pioaddr, rp->quirks);
+#endif
+ rhine_power_init(dev);
+ free_tbufs(dev);
+ free_rbufs(dev);
+ alloc_tbufs(dev);
+ alloc_rbufs(dev);
+ init_registers(dev);
+ spin_unlock_irqrestore(&rp->lock, flags);
+
+ netif_device_attach(dev);
+
+ return 0;
+}
+#endif /* CONFIG_PM */
static struct pci_driver rhine_driver = {
- .name = "via-rhine",
+ .name = DRV_NAME,
.id_table = rhine_pci_tbl,
.probe = rhine_init_one,
.remove = __devexit_p(rhine_remove_one),
+#ifdef CONFIG_PM
+ .suspend = rhine_suspend,
+ .resume = rhine_resume,
+#endif /* CONFIG_PM */
+ .driver = {
+ .shutdown = rhine_shutdown,
+ }
};
git://git.onelab.eu / linux-2.6.git / blobdiff