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path: root/drivers/net/tulip/winbond-840.c
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Diffstat (limited to 'drivers/net/tulip/winbond-840.c')
-rw-r--r--drivers/net/tulip/winbond-840.c145
1 files changed, 56 insertions, 89 deletions
diff --git a/drivers/net/tulip/winbond-840.c b/drivers/net/tulip/winbond-840.c
index 8fea2aa455d..2fca1ee24f5 100644
--- a/drivers/net/tulip/winbond-840.c
+++ b/drivers/net/tulip/winbond-840.c
@@ -45,8 +45,8 @@
*/
#define DRV_NAME "winbond-840"
-#define DRV_VERSION "1.01-d"
-#define DRV_RELDATE "Nov-17-2001"
+#define DRV_VERSION "1.01-e"
+#define DRV_RELDATE "Sep-11-2006"
/* Automatically extracted configuration info:
@@ -90,10 +90,8 @@ static int full_duplex[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1};
Making the Tx ring too large decreases the effectiveness of channel
bonding and packet priority.
There are no ill effects from too-large receive rings. */
-#define TX_RING_SIZE 16
#define TX_QUEUE_LEN 10 /* Limit ring entries actually used. */
#define TX_QUEUE_LEN_RESTART 5
-#define RX_RING_SIZE 32
#define TX_BUFLIMIT (1024-128)
@@ -137,8 +135,10 @@ static int full_duplex[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1};
#include <asm/io.h>
#include <asm/irq.h>
+#include "tulip.h"
+
/* These identify the driver base version and may not be removed. */
-static char version[] __devinitdata =
+static char version[] =
KERN_INFO DRV_NAME ".c:v" DRV_VERSION " (2.4 port) " DRV_RELDATE " Donald Becker <becker@scyld.com>\n"
KERN_INFO " http://www.scyld.com/network/drivers.html\n";
@@ -212,53 +212,38 @@ Test with 'ping -s 10000' on a fast computer.
/*
PCI probe table.
*/
-enum pci_id_flags_bits {
- /* Set PCI command register bits before calling probe1(). */
- PCI_USES_IO=1, PCI_USES_MEM=2, PCI_USES_MASTER=4,
- /* Read and map the single following PCI BAR. */
- PCI_ADDR0=0<<4, PCI_ADDR1=1<<4, PCI_ADDR2=2<<4, PCI_ADDR3=3<<4,
- PCI_ADDR_64BITS=0x100, PCI_NO_ACPI_WAKE=0x200, PCI_NO_MIN_LATENCY=0x400,
-};
enum chip_capability_flags {
- CanHaveMII=1, HasBrokenTx=2, AlwaysFDX=4, FDXOnNoMII=8,};
-#ifdef USE_IO_OPS
-#define W840_FLAGS (PCI_USES_IO | PCI_ADDR0 | PCI_USES_MASTER)
-#else
-#define W840_FLAGS (PCI_USES_MEM | PCI_ADDR1 | PCI_USES_MASTER)
-#endif
+ CanHaveMII=1, HasBrokenTx=2, AlwaysFDX=4, FDXOnNoMII=8,
+};
-static struct pci_device_id w840_pci_tbl[] = {
+static const struct pci_device_id w840_pci_tbl[] = {
{ 0x1050, 0x0840, PCI_ANY_ID, 0x8153, 0, 0, 0 },
{ 0x1050, 0x0840, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 },
{ 0x11f6, 0x2011, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2 },
- { 0, }
+ { }
};
MODULE_DEVICE_TABLE(pci, w840_pci_tbl);
+enum {
+ netdev_res_size = 128, /* size of PCI BAR resource */
+};
+
struct pci_id_info {
const char *name;
- struct match_info {
- int pci, pci_mask, subsystem, subsystem_mask;
- int revision, revision_mask; /* Only 8 bits. */
- } id;
- enum pci_id_flags_bits pci_flags;
- int io_size; /* Needed for I/O region check or ioremap(). */
- int drv_flags; /* Driver use, intended as capability flags. */
+ int drv_flags; /* Driver use, intended as capability flags. */
};
-static struct pci_id_info pci_id_tbl[] = {
- {"Winbond W89c840", /* Sometime a Level-One switch card. */
- { 0x08401050, 0xffffffff, 0x81530000, 0xffff0000 },
- W840_FLAGS, 128, CanHaveMII | HasBrokenTx | FDXOnNoMII},
- {"Winbond W89c840", { 0x08401050, 0xffffffff, },
- W840_FLAGS, 128, CanHaveMII | HasBrokenTx},
- {"Compex RL100-ATX", { 0x201111F6, 0xffffffff,},
- W840_FLAGS, 128, CanHaveMII | HasBrokenTx},
- {NULL,}, /* 0 terminated list. */
+
+static const struct pci_id_info pci_id_tbl[] __devinitdata = {
+ { /* Sometime a Level-One switch card. */
+ "Winbond W89c840", CanHaveMII | HasBrokenTx | FDXOnNoMII},
+ { "Winbond W89c840", CanHaveMII | HasBrokenTx},
+ { "Compex RL100-ATX", CanHaveMII | HasBrokenTx},
+ { } /* terminate list. */
};
/* This driver was written to use PCI memory space, however some x86 systems
- work only with I/O space accesses. Pass -DUSE_IO_OPS to use PCI I/O space
- accesses instead of memory space. */
+ work only with I/O space accesses. See CONFIG_TULIP_MMIO in .config
+*/
/* Offsets to the Command and Status Registers, "CSRs".
While similar to the Tulip, these registers are longword aligned.
@@ -276,21 +261,11 @@ enum w840_offsets {
CurTxDescAddr=0x4C, CurTxBufAddr=0x50,
};
-/* Bits in the interrupt status/enable registers. */
-/* The bits in the Intr Status/Enable registers, mostly interrupt sources. */
-enum intr_status_bits {
- NormalIntr=0x10000, AbnormalIntr=0x8000,
- IntrPCIErr=0x2000, TimerInt=0x800,
- IntrRxDied=0x100, RxNoBuf=0x80, IntrRxDone=0x40,
- TxFIFOUnderflow=0x20, RxErrIntr=0x10,
- TxIdle=0x04, IntrTxStopped=0x02, IntrTxDone=0x01,
-};
-
/* Bits in the NetworkConfig register. */
enum rx_mode_bits {
- AcceptErr=0x80, AcceptRunt=0x40,
- AcceptBroadcast=0x20, AcceptMulticast=0x10,
- AcceptAllPhys=0x08, AcceptMyPhys=0x02,
+ AcceptErr=0x80,
+ RxAcceptBroadcast=0x20, AcceptMulticast=0x10,
+ RxAcceptAllPhys=0x08, AcceptMyPhys=0x02,
};
enum mii_reg_bits {
@@ -312,13 +287,6 @@ struct w840_tx_desc {
u32 buffer1, buffer2;
};
-/* Bits in network_desc.status */
-enum desc_status_bits {
- DescOwn=0x80000000, DescEndRing=0x02000000, DescUseLink=0x01000000,
- DescWholePkt=0x60000000, DescStartPkt=0x20000000, DescEndPkt=0x40000000,
- DescIntr=0x80000000,
-};
-
#define MII_CNT 1 /* winbond only supports one MII */
struct netdev_private {
struct w840_rx_desc *rx_ring;
@@ -371,7 +339,7 @@ static u32 __set_rx_mode(struct net_device *dev);
static void set_rx_mode(struct net_device *dev);
static struct net_device_stats *get_stats(struct net_device *dev);
static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-static struct ethtool_ops netdev_ethtool_ops;
+static const struct ethtool_ops netdev_ethtool_ops;
static int netdev_close(struct net_device *dev);
@@ -386,7 +354,6 @@ static int __devinit w840_probe1 (struct pci_dev *pdev,
int irq;
int i, option = find_cnt < MAX_UNITS ? options[find_cnt] : 0;
void __iomem *ioaddr;
- int bar = 1;
i = pci_enable_device(pdev);
if (i) return i;
@@ -408,10 +375,8 @@ static int __devinit w840_probe1 (struct pci_dev *pdev,
if (pci_request_regions(pdev, DRV_NAME))
goto err_out_netdev;
-#ifdef USE_IO_OPS
- bar = 0;
-#endif
- ioaddr = pci_iomap(pdev, bar, pci_id_tbl[chip_idx].io_size);
+
+ ioaddr = pci_iomap(pdev, TULIP_BAR, netdev_res_size);
if (!ioaddr)
goto err_out_free_res;
@@ -670,7 +635,7 @@ static int netdev_open(struct net_device *dev)
iowrite32(0x00000001, ioaddr + PCIBusCfg); /* Reset */
netif_device_detach(dev);
- i = request_irq(dev->irq, &intr_handler, SA_SHIRQ, dev->name, dev);
+ i = request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev);
if (i)
goto out_err;
@@ -853,7 +818,7 @@ static void init_rxtx_rings(struct net_device *dev)
np->rx_buf_sz,PCI_DMA_FROMDEVICE);
np->rx_ring[i].buffer1 = np->rx_addr[i];
- np->rx_ring[i].status = DescOwn;
+ np->rx_ring[i].status = DescOwned;
}
np->cur_rx = 0;
@@ -938,7 +903,7 @@ static void init_registers(struct net_device *dev)
}
#elif defined(__powerpc__) || defined(__i386__) || defined(__alpha__) || defined(__ia64__) || defined(__x86_64__)
i |= 0xE000;
-#elif defined(__sparc__)
+#elif defined(__sparc__) || defined (CONFIG_PARISC)
i |= 0x4800;
#else
#warning Processor architecture undefined
@@ -1058,11 +1023,11 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev)
/* Now acquire the irq spinlock.
* The difficult race is the the ordering between
- * increasing np->cur_tx and setting DescOwn:
+ * increasing np->cur_tx and setting DescOwned:
* - if np->cur_tx is increased first the interrupt
* handler could consider the packet as transmitted
- * since DescOwn is cleared.
- * - If DescOwn is set first the NIC could report the
+ * since DescOwned is cleared.
+ * - If DescOwned is set first the NIC could report the
* packet as sent, but the interrupt handler would ignore it
* since the np->cur_tx was not yet increased.
*/
@@ -1070,7 +1035,7 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev)
np->cur_tx++;
wmb(); /* flush length, buffer1, buffer2 */
- np->tx_ring[entry].status = DescOwn;
+ np->tx_ring[entry].status = DescOwned;
wmb(); /* flush status and kick the hardware */
iowrite32(0, np->base_addr + TxStartDemand);
np->tx_q_bytes += skb->len;
@@ -1170,12 +1135,12 @@ static irqreturn_t intr_handler(int irq, void *dev_instance, struct pt_regs *rgs
handled = 1;
- if (intr_status & (IntrRxDone | RxNoBuf))
+ if (intr_status & (RxIntr | RxNoBuf))
netdev_rx(dev);
if (intr_status & RxNoBuf)
iowrite32(0, ioaddr + RxStartDemand);
- if (intr_status & (TxIdle | IntrTxDone) &&
+ if (intr_status & (TxNoBuf | TxIntr) &&
np->cur_tx != np->dirty_tx) {
spin_lock(&np->lock);
netdev_tx_done(dev);
@@ -1183,8 +1148,8 @@ static irqreturn_t intr_handler(int irq, void *dev_instance, struct pt_regs *rgs
}
/* Abnormal error summary/uncommon events handlers. */
- if (intr_status & (AbnormalIntr | TxFIFOUnderflow | IntrPCIErr |
- TimerInt | IntrTxStopped))
+ if (intr_status & (AbnormalIntr | TxFIFOUnderflow | SytemError |
+ TimerInt | TxDied))
netdev_error(dev, intr_status);
if (--work_limit < 0) {
@@ -1320,7 +1285,7 @@ static int netdev_rx(struct net_device *dev)
np->rx_ring[entry].buffer1 = np->rx_addr[entry];
}
wmb();
- np->rx_ring[entry].status = DescOwn;
+ np->rx_ring[entry].status = DescOwned;
}
return 0;
@@ -1357,7 +1322,7 @@ static void netdev_error(struct net_device *dev, int intr_status)
dev->name, new);
update_csr6(dev, new);
}
- if (intr_status & IntrRxDied) { /* Missed a Rx frame. */
+ if (intr_status & RxDied) { /* Missed a Rx frame. */
np->stats.rx_errors++;
}
if (intr_status & TimerInt) {
@@ -1393,16 +1358,14 @@ static u32 __set_rx_mode(struct net_device *dev)
u32 rx_mode;
if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
- /* Unconditionally log net taps. */
- printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n", dev->name);
memset(mc_filter, 0xff, sizeof(mc_filter));
- rx_mode = AcceptBroadcast | AcceptMulticast | AcceptAllPhys
+ rx_mode = RxAcceptBroadcast | AcceptMulticast | RxAcceptAllPhys
| AcceptMyPhys;
} else if ((dev->mc_count > multicast_filter_limit)
|| (dev->flags & IFF_ALLMULTI)) {
/* Too many to match, or accept all multicasts. */
memset(mc_filter, 0xff, sizeof(mc_filter));
- rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
+ rx_mode = RxAcceptBroadcast | AcceptMulticast | AcceptMyPhys;
} else {
struct dev_mc_list *mclist;
int i;
@@ -1413,7 +1376,7 @@ static u32 __set_rx_mode(struct net_device *dev)
filterbit &= 0x3f;
mc_filter[filterbit >> 5] |= 1 << (filterbit & 31);
}
- rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
+ rx_mode = RxAcceptBroadcast | AcceptMulticast | AcceptMyPhys;
}
iowrite32(mc_filter[0], ioaddr + MulticastFilter0);
iowrite32(mc_filter[1], ioaddr + MulticastFilter1);
@@ -1484,7 +1447,7 @@ static void netdev_set_msglevel(struct net_device *dev, u32 value)
debug = value;
}
-static struct ethtool_ops netdev_ethtool_ops = {
+static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
.get_settings = netdev_get_settings,
.set_settings = netdev_set_settings,
@@ -1639,7 +1602,7 @@ static int w840_suspend (struct pci_dev *pdev, pm_message_t state)
synchronize_irq(dev->irq);
netif_tx_disable(dev);
-
+
np->stats.rx_missed_errors += ioread32(ioaddr + RxMissed) & 0xffff;
/* no more hardware accesses behind this line. */
@@ -1661,14 +1624,18 @@ static int w840_resume (struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata (pdev);
struct netdev_private *np = netdev_priv(dev);
+ int retval = 0;
rtnl_lock();
if (netif_device_present(dev))
goto out; /* device not suspended */
if (netif_running(dev)) {
- pci_enable_device(pdev);
- /* pci_power_on(pdev); */
-
+ if ((retval = pci_enable_device(pdev))) {
+ printk (KERN_ERR
+ "%s: pci_enable_device failed in resume\n",
+ dev->name);
+ goto out;
+ }
spin_lock_irq(&np->lock);
iowrite32(1, np->base_addr+PCIBusCfg);
ioread32(np->base_addr+PCIBusCfg);
@@ -1686,7 +1653,7 @@ static int w840_resume (struct pci_dev *pdev)
}
out:
rtnl_unlock();
- return 0;
+ return retval;
}
#endif
@@ -1704,7 +1671,7 @@ static struct pci_driver w840_driver = {
static int __init w840_init(void)
{
printk(version);
- return pci_module_init(&w840_driver);
+ return pci_register_driver(&w840_driver);
}
static void __exit w840_exit(void)
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-12 14:28:02 +0000