/*======================================================================
A PCMCIA ethernet driver for the 3com 3c589 card.
-
+
Copyright (C) 1999 David A. Hinds -- dahinds@users.sourceforge.net
3c589_cs.c 1.162 2001/10/13 00:08:50
The network driver code is based on Donald Becker's 3c589 code:
-
+
Written 1994 by Donald Becker.
Copyright 1993 United States Government as represented by the
Director, National Security Agency. This software may be used and
distributed according to the terms of the GNU General Public License,
incorporated herein by reference.
Donald Becker may be reached at becker@scyld.com
-
+
Updated for 2.5.x by Alan Cox <alan@lxorguk.ukuu.org.uk>
======================================================================*/
/* The top five bits written to EL3_CMD are a command, the lower
11 bits are the parameter, if applicable. */
enum c509cmd {
- TotalReset = 0<<11, SelectWindow = 1<<11, StartCoax = 2<<11,
- RxDisable = 3<<11, RxEnable = 4<<11, RxReset = 5<<11, RxDiscard = 8<<11,
- TxEnable = 9<<11, TxDisable = 10<<11, TxReset = 11<<11,
- FakeIntr = 12<<11, AckIntr = 13<<11, SetIntrEnb = 14<<11,
- SetStatusEnb = 15<<11, SetRxFilter = 16<<11, SetRxThreshold = 17<<11,
- SetTxThreshold = 18<<11, SetTxStart = 19<<11, StatsEnable = 21<<11,
- StatsDisable = 22<<11, StopCoax = 23<<11,
+ TotalReset = 0<<11,
+ SelectWindow = 1<<11,
+ StartCoax = 2<<11,
+ RxDisable = 3<<11,
+ RxEnable = 4<<11,
+ RxReset = 5<<11,
+ RxDiscard = 8<<11,
+ TxEnable = 9<<11,
+ TxDisable = 10<<11,
+ TxReset = 11<<11,
+ FakeIntr = 12<<11,
+ AckIntr = 13<<11,
+ SetIntrEnb = 14<<11,
+ SetStatusEnb = 15<<11,
+ SetRxFilter = 16<<11,
+ SetRxThreshold = 17<<11,
+ SetTxThreshold = 18<<11,
+ SetTxStart = 19<<11,
+ StatsEnable = 21<<11,
+ StatsDisable = 22<<11,
+ StopCoax = 23<<11
};
enum c509status {
- IntLatch = 0x0001, AdapterFailure = 0x0002, TxComplete = 0x0004,
- TxAvailable = 0x0008, RxComplete = 0x0010, RxEarly = 0x0020,
- IntReq = 0x0040, StatsFull = 0x0080, CmdBusy = 0x1000
+ IntLatch = 0x0001,
+ AdapterFailure = 0x0002,
+ TxComplete = 0x0004,
+ TxAvailable = 0x0008,
+ RxComplete = 0x0010,
+ RxEarly = 0x0020,
+ IntReq = 0x0040,
+ StatsFull = 0x0080,
+ CmdBusy = 0x1000
};
/* The SetRxFilter command accepts the following classes: */
enum RxFilter {
- RxStation = 1, RxMulticast = 2, RxBroadcast = 4, RxProm = 8
+ RxStation = 1,
+ RxMulticast = 2,
+ RxBroadcast = 4,
+ RxProm = 8
};
/* Register window 1 offsets, the window used in normal operation. */
#define TX_FIFO 0x00
#define RX_FIFO 0x00
-#define RX_STATUS 0x08
-#define TX_STATUS 0x0B
+#define RX_STATUS 0x08
+#define TX_STATUS 0x0B
#define TX_FREE 0x0C /* Remaining free bytes in Tx buffer. */
#define WN0_IRQ 0x08 /* Window 0: Set IRQ line in bits 12-15. */
struct el3_private {
struct pcmcia_device *p_dev;
- /* For transceiver monitoring */
- struct timer_list media;
- u16 media_status;
- u16 fast_poll;
- unsigned long last_irq;
- spinlock_t lock;
+ /* For transceiver monitoring */
+ struct timer_list media;
+ u16 media_status;
+ u16 fast_poll;
+ unsigned long last_irq;
+ spinlock_t lock;
};
static const char *if_names[] = { "auto", "10baseT", "10base2", "AUI" };
======================================================================*/
static const struct net_device_ops el3_netdev_ops = {
- .ndo_open = el3_open,
- .ndo_stop = el3_close,
+ .ndo_open = el3_open,
+ .ndo_stop = el3_close,
.ndo_start_xmit = el3_start_xmit,
- .ndo_tx_timeout = el3_tx_timeout,
+ .ndo_tx_timeout = el3_tx_timeout,
.ndo_set_config = el3_config,
.ndo_get_stats = el3_get_stats,
.ndo_set_multicast_list = set_multicast_list,
.ndo_change_mtu = eth_change_mtu,
- .ndo_set_mac_address = eth_mac_addr,
+ .ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};
tc589_config() is scheduled to run after a CARD_INSERTION event
is received, to configure the PCMCIA socket, and to make the
ethernet device available to the system.
-
+
======================================================================*/
static int tc589_config(struct pcmcia_device *link)
char *ram_split[] = {"5:3", "3:1", "1:1", "3:5"};
u8 *buf;
size_t len;
-
+
dev_dbg(&link->dev, "3c589_config\n");
phys_addr = (__be16 *)dev->dev_addr;
ret = pcmcia_request_configuration(link, &link->conf);
if (ret)
goto failed;
-
+
dev->irq = link->irq;
dev->base_addr = link->io.BasePort1;
ioaddr = dev->base_addr;
dev->if_port = if_port;
else
printk(KERN_ERR "3c589_cs: invalid if_port requested\n");
-
+
SET_NETDEV_DEV(dev, &link->dev);
if (register_netdev(dev) != 0) {
goto failed;
}
- printk(KERN_INFO "%s: 3Com 3c%s, io %#3lx, irq %d, "
- "hw_addr %pM\n",
- dev->name, (multi ? "562" : "589"), dev->base_addr, dev->irq,
- dev->dev_addr);
- printk(KERN_INFO " %dK FIFO split %s Rx:Tx, %s xcvr\n",
- (fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3],
- if_names[dev->if_port]);
+ netdev_info(dev, "3Com 3c%s, io %#3lx, irq %d, hw_addr %pM\n",
+ (multi ? "562" : "589"), dev->base_addr, dev->irq,
+ dev->dev_addr);
+ netdev_info(dev, " %dK FIFO split %s Rx:Tx, %s xcvr\n",
+ (fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3],
+ if_names[dev->if_port]);
return 0;
failed:
After a card is removed, tc589_release() will unregister the net
device, and release the PCMCIA configuration. If the device is
still open, this will be postponed until it is closed.
-
+
======================================================================*/
static void tc589_release(struct pcmcia_device *link)
{
struct net_device *dev = link->priv;
- if (link->open) {
+ if (link->open) {
tc589_reset(dev);
netif_device_attach(dev);
}
while (--i > 0)
if (!(inw(dev->base_addr + EL3_STATUS) & 0x1000)) break;
if (i == 0)
- printk(KERN_WARNING "%s: command 0x%04x did not complete!\n",
- dev->name, cmd);
+ netdev_warn(dev, "command 0x%04x did not complete!\n", cmd);
}
/*
{
struct el3_private *lp = netdev_priv(dev);
unsigned int ioaddr = dev->base_addr;
-
+
EL3WINDOW(0);
switch (if_port) {
case 0: case 1: outw(0, ioaddr + 6); break;
{
unsigned int ioaddr = dev->base_addr;
EL3WINDOW(1);
- printk(KERN_INFO " irq status %04x, rx status %04x, tx status "
- "%02x tx free %04x\n", inw(ioaddr+EL3_STATUS),
- inw(ioaddr+RX_STATUS), inb(ioaddr+TX_STATUS),
- inw(ioaddr+TX_FREE));
+ netdev_info(dev, " irq status %04x, rx status %04x, tx status %02x tx free %04x\n",
+ inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS),
+ inb(ioaddr+TX_STATUS), inw(ioaddr+TX_FREE));
EL3WINDOW(4);
- printk(KERN_INFO " diagnostics: fifo %04x net %04x ethernet %04x"
- " media %04x\n", inw(ioaddr+0x04), inw(ioaddr+0x06),
- inw(ioaddr+0x08), inw(ioaddr+0x0a));
+ netdev_info(dev, " diagnostics: fifo %04x net %04x ethernet %04x media %04x\n",
+ inw(ioaddr+0x04), inw(ioaddr+0x06), inw(ioaddr+0x08),
+ inw(ioaddr+0x0a));
EL3WINDOW(1);
}
{
unsigned int ioaddr = dev->base_addr;
int i;
-
+
EL3WINDOW(0);
- outw(0x0001, ioaddr + 4); /* Activate board. */
+ outw(0x0001, ioaddr + 4); /* Activate board. */
outw(0x3f00, ioaddr + 8); /* Set the IRQ line. */
-
+
/* Set the station address in window 2. */
EL3WINDOW(2);
for (i = 0; i < 6; i++)
outb(dev->dev_addr[i], ioaddr + i);
tc589_set_xcvr(dev, dev->if_port);
-
+
/* Switch to the stats window, and clear all stats by reading. */
outw(StatsDisable, ioaddr + EL3_CMD);
EL3WINDOW(6);
inb(ioaddr+i);
inw(ioaddr + 10);
inw(ioaddr + 12);
-
+
/* Switch to register set 1 for normal use. */
EL3WINDOW(1);
if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) {
if (map->port <= 3) {
dev->if_port = map->port;
- printk(KERN_INFO "%s: switched to %s port\n",
- dev->name, if_names[dev->if_port]);
+ netdev_info(dev, "switched to %s port\n", if_names[dev->if_port]);
tc589_set_xcvr(dev, dev->if_port);
} else
return -EINVAL;
{
struct el3_private *lp = netdev_priv(dev);
struct pcmcia_device *link = lp->p_dev;
-
+
if (!pcmcia_dev_present(link))
return -ENODEV;
link->open++;
netif_start_queue(dev);
-
+
tc589_reset(dev);
init_timer(&lp->media);
lp->media.function = &media_check;
dev_dbg(&link->dev, "%s: opened, status %4.4x.\n",
dev->name, inw(dev->base_addr + EL3_STATUS));
-
+
return 0;
}
static void el3_tx_timeout(struct net_device *dev)
{
unsigned int ioaddr = dev->base_addr;
-
- printk(KERN_WARNING "%s: Transmit timed out!\n", dev->name);
+
+ netdev_warn(dev, "Transmit timed out!\n");
dump_status(dev);
dev->stats.tx_errors++;
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
/* Issue TX_RESET and TX_START commands. */
tc589_wait_for_completion(dev, TxReset);
outw(TxEnable, ioaddr + EL3_CMD);
{
unsigned int ioaddr = dev->base_addr;
int i;
-
+
/* Clear the Tx status stack. */
for (i = 32; i > 0; i--) {
u_char tx_status = inb(ioaddr + TX_STATUS);
if (!(tx_status & 0x84)) break;
/* reset transmitter on jabber error or underrun */
if (tx_status & 0x30)
- tc589_wait_for_completion(dev, TxReset);
+ tc589_wait_for_completion(dev, TxReset);
if (tx_status & 0x38) {
- pr_debug("%s: transmit error: status 0x%02x\n",
- dev->name, tx_status);
- outw(TxEnable, ioaddr + EL3_CMD);
- dev->stats.tx_aborted_errors++;
+ netdev_dbg(dev, "transmit error: status 0x%02x\n", tx_status);
+ outw(TxEnable, ioaddr + EL3_CMD);
+ dev->stats.tx_aborted_errors++;
}
outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */
}
struct el3_private *priv = netdev_priv(dev);
unsigned long flags;
- pr_debug("%s: el3_start_xmit(length = %ld) called, "
- "status %4.4x.\n", dev->name, (long)skb->len,
- inw(ioaddr + EL3_STATUS));
+ netdev_dbg(dev, "el3_start_xmit(length = %ld) called, status %4.4x.\n",
+ (long)skb->len, inw(ioaddr + EL3_STATUS));
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irqsave(&priv->lock, flags);
dev->stats.tx_bytes += skb->len;
/* ... and the packet rounded to a doubleword. */
outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2);
- dev->trans_start = jiffies;
if (inw(ioaddr + TX_FREE) <= 1536) {
netif_stop_queue(dev);
/* Interrupt us when the FIFO has room for max-sized packet. */
}
pop_tx_status(dev);
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irqrestore(&priv->lock, flags);
dev_kfree_skb(skb);
-
+
return NETDEV_TX_OK;
}
unsigned int ioaddr;
__u16 status;
int i = 0, handled = 1;
-
+
if (!netif_device_present(dev))
return IRQ_NONE;
ioaddr = dev->base_addr;
- pr_debug("%s: interrupt, status %4.4x.\n",
- dev->name, inw(ioaddr + EL3_STATUS));
+ netdev_dbg(dev, "interrupt, status %4.4x.\n", inw(ioaddr + EL3_STATUS));
- spin_lock(&lp->lock);
+ spin_lock(&lp->lock);
while ((status = inw(ioaddr + EL3_STATUS)) &
(IntLatch | RxComplete | StatsFull)) {
if ((status & 0xe000) != 0x2000) {
- pr_debug("%s: interrupt from dead card\n", dev->name);
- handled = 0;
- break;
+ netdev_dbg(dev, "interrupt from dead card\n");
+ handled = 0;
+ break;
}
-
if (status & RxComplete)
- el3_rx(dev);
-
+ el3_rx(dev);
if (status & TxAvailable) {
- pr_debug(" TX room bit was handled.\n");
- /* There's room in the FIFO for a full-sized packet. */
- outw(AckIntr | TxAvailable, ioaddr + EL3_CMD);
- netif_wake_queue(dev);
+ netdev_dbg(dev, " TX room bit was handled.\n");
+ /* There's room in the FIFO for a full-sized packet. */
+ outw(AckIntr | TxAvailable, ioaddr + EL3_CMD);
+ netif_wake_queue(dev);
}
-
if (status & TxComplete)
- pop_tx_status(dev);
-
+ pop_tx_status(dev);
if (status & (AdapterFailure | RxEarly | StatsFull)) {
/* Handle all uncommon interrupts. */
if (status & StatsFull) /* Empty statistics. */
EL3WINDOW(4);
fifo_diag = inw(ioaddr + 4);
EL3WINDOW(1);
- printk(KERN_WARNING "%s: adapter failure, FIFO diagnostic"
- " register %04x.\n", dev->name, fifo_diag);
+ netdev_warn(dev, "adapter failure, FIFO diagnostic register %04x.\n",
+ fifo_diag);
if (fifo_diag & 0x0400) {
/* Tx overrun */
tc589_wait_for_completion(dev, TxReset);
outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD);
}
}
-
if (++i > 10) {
- printk(KERN_ERR "%s: infinite loop in interrupt, "
- "status %4.4x.\n", dev->name, status);
- /* Clear all interrupts */
- outw(AckIntr | 0xFF, ioaddr + EL3_CMD);
- break;
+ netdev_err(dev, "infinite loop in interrupt, status %4.4x.\n",
+ status);
+ /* Clear all interrupts */
+ outw(AckIntr | 0xFF, ioaddr + EL3_CMD);
+ break;
}
/* Acknowledge the IRQ. */
outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD);
}
-
lp->last_irq = jiffies;
- spin_unlock(&lp->lock);
- pr_debug("%s: exiting interrupt, status %4.4x.\n",
- dev->name, inw(ioaddr + EL3_STATUS));
+ spin_unlock(&lp->lock);
+ netdev_dbg(dev, "exiting interrupt, status %4.4x.\n",
+ inw(ioaddr + EL3_STATUS));
return IRQ_RETVAL(handled);
}
if ((inw(ioaddr + EL3_STATUS) & IntLatch) &&
(inb(ioaddr + EL3_TIMER) == 0xff)) {
if (!lp->fast_poll)
- printk(KERN_WARNING "%s: interrupt(s) dropped!\n", dev->name);
+ netdev_warn(dev, "interrupt(s) dropped!\n");
local_irq_save(flags);
el3_interrupt(dev->irq, dev);
/* lp->lock guards the EL3 window. Window should always be 1 except
when the lock is held */
- spin_lock_irqsave(&lp->lock, flags);
+ spin_lock_irqsave(&lp->lock, flags);
EL3WINDOW(4);
media = inw(ioaddr+WN4_MEDIA) & 0xc810;
if (media != lp->media_status) {
if ((media & lp->media_status & 0x8000) &&
((lp->media_status ^ media) & 0x0800))
- printk(KERN_INFO "%s: %s link beat\n", dev->name,
- (lp->media_status & 0x0800 ? "lost" : "found"));
+ netdev_info(dev, "%s link beat\n",
+ (lp->media_status & 0x0800 ? "lost" : "found"));
else if ((media & lp->media_status & 0x4000) &&
((lp->media_status ^ media) & 0x0010))
- printk(KERN_INFO "%s: coax cable %s\n", dev->name,
- (lp->media_status & 0x0010 ? "ok" : "problem"));
+ netdev_info(dev, "coax cable %s\n",
+ (lp->media_status & 0x0010 ? "ok" : "problem"));
if (dev->if_port == 0) {
if (media & 0x8000) {
if (media & 0x0800)
- printk(KERN_INFO "%s: flipped to 10baseT\n",
- dev->name);
+ netdev_info(dev, "flipped to 10baseT\n");
else
- tc589_set_xcvr(dev, 2);
+ tc589_set_xcvr(dev, 2);
} else if (media & 0x4000) {
if (media & 0x0010)
tc589_set_xcvr(dev, 1);
else
- printk(KERN_INFO "%s: flipped to 10base2\n",
- dev->name);
+ netdev_info(dev, "flipped to 10base2\n");
}
}
lp->media_status = media;
}
-
+
EL3WINDOW(1);
- spin_unlock_irqrestore(&lp->lock, flags);
+ spin_unlock_irqrestore(&lp->lock, flags);
reschedule:
lp->media.expires = jiffies + HZ;
struct pcmcia_device *link = lp->p_dev;
if (pcmcia_dev_present(link)) {
- spin_lock_irqsave(&lp->lock, flags);
+ spin_lock_irqsave(&lp->lock, flags);
update_stats(dev);
spin_unlock_irqrestore(&lp->lock, flags);
}
single-threaded if the device is active. This is expected to be a rare
operation, and it's simpler for the rest of the driver to assume that
window 1 is always valid rather than use a special window-state variable.
-
+
Caller must hold the lock for this
*/
static void update_stats(struct net_device *dev)
{
unsigned int ioaddr = dev->base_addr;
- pr_debug("%s: updating the statistics.\n", dev->name);
+ netdev_dbg(dev, "updating the statistics.\n");
/* Turn off statistics updates while reading. */
outw(StatsDisable, ioaddr + EL3_CMD);
/* Switch to the stats window, and read everything. */
EL3WINDOW(6);
- dev->stats.tx_carrier_errors += inb(ioaddr + 0);
+ dev->stats.tx_carrier_errors += inb(ioaddr + 0);
dev->stats.tx_heartbeat_errors += inb(ioaddr + 1);
- /* Multiple collisions. */ inb(ioaddr + 2);
+ /* Multiple collisions. */ inb(ioaddr + 2);
dev->stats.collisions += inb(ioaddr + 3);
dev->stats.tx_window_errors += inb(ioaddr + 4);
dev->stats.rx_fifo_errors += inb(ioaddr + 5);
/* Tx deferrals */ inb(ioaddr + 8);
/* Rx octets */ inw(ioaddr + 10);
/* Tx octets */ inw(ioaddr + 12);
-
+
/* Back to window 1, and turn statistics back on. */
EL3WINDOW(1);
outw(StatsEnable, ioaddr + EL3_CMD);
unsigned int ioaddr = dev->base_addr;
int worklimit = 32;
short rx_status;
-
- pr_debug("%s: in rx_packet(), status %4.4x, rx_status %4.4x.\n",
- dev->name, inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS));
+
+ netdev_dbg(dev, "in rx_packet(), status %4.4x, rx_status %4.4x.\n",
+ inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS));
while (!((rx_status = inw(ioaddr + RX_STATUS)) & 0x8000) &&
worklimit > 0) {
worklimit--;
} else {
short pkt_len = rx_status & 0x7ff;
struct sk_buff *skb;
-
+
skb = dev_alloc_skb(pkt_len+5);
-
- pr_debug(" Receiving packet size %d status %4.4x.\n",
- pkt_len, rx_status);
+
+ netdev_dbg(dev, " Receiving packet size %d status %4.4x.\n",
+ pkt_len, rx_status);
if (skb != NULL) {
skb_reserve(skb, 2);
insl(ioaddr+RX_FIFO, skb_put(skb, pkt_len),
dev->stats.rx_packets++;
dev->stats.rx_bytes += pkt_len;
} else {
- pr_debug("%s: couldn't allocate a sk_buff of"
- " size %d.\n", dev->name, pkt_len);
+ netdev_dbg(dev, "couldn't allocate a sk_buff of size %d.\n",
+ pkt_len);
dev->stats.rx_dropped++;
}
}
tc589_wait_for_completion(dev, RxDiscard);
}
if (worklimit == 0)
- printk(KERN_WARNING "%s: too much work in el3_rx!\n", dev->name);
+ netdev_warn(dev, "too much work in el3_rx!\n");
return 0;
}
struct el3_private *lp = netdev_priv(dev);
struct pcmcia_device *link = lp->p_dev;
unsigned int ioaddr = dev->base_addr;
-
+
dev_dbg(&link->dev, "%s: shutting down ethercard.\n", dev->name);
if (pcmcia_dev_present(link)) {
/* Turn off statistics ASAP. We update dev->stats below. */
outw(StatsDisable, ioaddr + EL3_CMD);
-
+
/* Disable the receiver and transmitter. */
outw(RxDisable, ioaddr + EL3_CMD);
outw(TxDisable, ioaddr + EL3_CMD);
-
+
if (dev->if_port == 2)
/* Turn off thinnet power. Green! */
outw(StopCoax, ioaddr + EL3_CMD);
EL3WINDOW(4);
outw(0, ioaddr + WN4_MEDIA);
}
-
+
/* Switching back to window 0 disables the IRQ. */
EL3WINDOW(0);
/* But we explicitly zero the IRQ line select anyway. */
outw(0x0f00, ioaddr + WN0_IRQ);
-
+
/* Check if the card still exists */
if ((inw(ioaddr+EL3_STATUS) & 0xe000) == 0x2000)
update_stats(dev);
link->open--;
netif_stop_queue(dev);
del_timer_sync(&lp->media);
-
+
return 0;
}
},
.probe = tc589_probe,
.remove = tc589_detach,
- .id_table = tc589_ids,
+ .id_table = tc589_ids,
.suspend = tc589_suspend,
.resume = tc589_resume,
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff