/* sis900.c: A SiS 900/7016 PCI Fast Ethernet driver for Linux.
Copyright 1999 Silicon Integrated System Corporation
- Revision: 1.08.06 Sep. 24 2002
+ Revision: 1.08.08 Jan. 22 2005
Modified from the driver which is originally written by Donald Becker.
preliminary Rev. 1.0 Nov. 10, 1998
SiS 7014 Single Chip 100BASE-TX/10BASE-T Physical Layer Solution,
preliminary Rev. 1.0 Jan. 18, 1998
- http://www.sis.com.tw/support/databook.htm
+ Rev 1.08.08 Jan. 22 2005 Daniele Venzano use netif_msg for debugging messages
Rev 1.08.07 Nov. 2 2003 Daniele Venzano <webvenza@libero.it> add suspend/resume support
Rev 1.08.06 Sep. 24 2002 Mufasa Yang bug fix for Tx timeout & add SiS963 support
Rev 1.08.05 Jun. 6 2002 Mufasa Yang bug fix for read_eeprom & Tx descriptor over-boundary
#include <asm/processor.h> /* Processor type for cache alignment. */
#include <asm/io.h>
+#include <asm/irq.h>
#include <asm/uaccess.h> /* User space memory access functions */
#include "sis900.h"
#define SIS900_MODULE_NAME "sis900"
-#define SIS900_DRV_VERSION "v1.08.07 11/02/2003"
+#define SIS900_DRV_VERSION "v1.08.08 Jan. 22 2005"
static char version[] __devinitdata =
KERN_INFO "sis900.c: " SIS900_DRV_VERSION "\n";
static int max_interrupt_work = 40;
static int multicast_filter_limit = 128;
-#define sis900_debug debug
-static int sis900_debug;
+static int sis900_debug = -1; /* Use SIS900_DEF_MSG as value */
+
+#define SIS900_DEF_MSG \
+ (NETIF_MSG_DRV | \
+ NETIF_MSG_LINK | \
+ NETIF_MSG_RX_ERR | \
+ NETIF_MSG_TX_ERR)
/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT (4*HZ)
struct mii_phy * mii;
struct mii_phy * first_mii; /* record the first mii structure */
unsigned int cur_phy;
+ struct mii_if_info mii_info;
struct timer_list timer; /* Link status detection timer. */
u8 autong_complete; /* 1: auto-negotiate complete */
+ u32 msg_enable;
+
unsigned int cur_rx, dirty_rx; /* producer/comsumer pointers for Tx/Rx ring */
unsigned int cur_tx, dirty_tx;
unsigned int tx_full; /* The Tx queue is full. */
u8 host_bridge_rev;
+ u8 chipset_rev;
};
MODULE_AUTHOR("Jim Huang <cmhuang@sis.com.tw>, Ollie Lho <ollie@sis.com.tw>");
module_param(multicast_filter_limit, int, 0444);
module_param(max_interrupt_work, int, 0444);
-module_param(debug, int, 0444);
+module_param(sis900_debug, int, 0444);
MODULE_PARM_DESC(multicast_filter_limit, "SiS 900/7016 maximum number of filtered multicast addresses");
MODULE_PARM_DESC(max_interrupt_work, "SiS 900/7016 maximum events handled per interrupt");
-MODULE_PARM_DESC(debug, "SiS 900/7016 debug level (2-4)");
+MODULE_PARM_DESC(sis900_debug, "SiS 900/7016 bitmapped debugging message level");
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void sis900_poll(struct net_device *dev);
+#endif
static int sis900_open(struct net_device *net_dev);
static int sis900_mii_probe (struct net_device * net_dev);
static void sis900_init_rxfilter (struct net_device * net_dev);
static u16 read_eeprom(long ioaddr, int location);
-static u16 mdio_read(struct net_device *net_dev, int phy_id, int location);
+static int mdio_read(struct net_device *net_dev, int phy_id, int location);
static void mdio_write(struct net_device *net_dev, int phy_id, int location, int val);
static void sis900_timer(unsigned long data);
static void sis900_check_mode (struct net_device *net_dev, struct mii_phy *mii_phy);
/* check to see if we have sane EEPROM */
signature = (u16) read_eeprom(ioaddr, EEPROMSignature);
if (signature == 0xffff || signature == 0x0000) {
- printk (KERN_INFO "%s: Error EERPOM read %x\n",
+ printk (KERN_WARNING "%s: Error EERPOM read %x\n",
pci_name(pci_dev), signature);
return 0;
}
if (!isa_bridge)
isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0018, isa_bridge);
if (!isa_bridge) {
- printk("%s: Can not find ISA bridge\n", pci_name(pci_dev));
+ printk(KERN_WARNING "%s: Can not find ISA bridge\n",
+ pci_name(pci_dev));
return 0;
}
pci_read_config_byte(isa_bridge, 0x48, ®);
void *ring_space;
long ioaddr;
int i, ret;
- u8 revision;
char *card_name = card_names[pci_id->driver_data];
+ const char *dev_name = pci_name(pci_dev);
/* when built into the kernel, we only print version if device is found */
#ifndef MODULE
net_dev->tx_timeout = sis900_tx_timeout;
net_dev->watchdog_timeo = TX_TIMEOUT;
net_dev->ethtool_ops = &sis900_ethtool_ops;
-
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ net_dev->poll_controller = &sis900_poll;
+#endif
+
+ if (sis900_debug > 0)
+ sis_priv->msg_enable = sis900_debug;
+ else
+ sis_priv->msg_enable = SIS900_DEF_MSG;
+
+ sis_priv->mii_info.dev = net_dev;
+ sis_priv->mii_info.mdio_read = mdio_read;
+ sis_priv->mii_info.mdio_write = mdio_write;
+ sis_priv->mii_info.phy_id_mask = 0x1f;
+ sis_priv->mii_info.reg_num_mask = 0x1f;
+
/* Get Mac address according to the chip revision */
- pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &revision);
+ pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &(sis_priv->chipset_rev));
+ if(netif_msg_probe(sis_priv))
+ printk(KERN_DEBUG "%s: detected revision %2.2x, "
+ "trying to get MAC address...\n",
+ dev_name, sis_priv->chipset_rev);
+
ret = 0;
-
- if (revision == SIS630E_900_REV)
+ if (sis_priv->chipset_rev == SIS630E_900_REV)
ret = sis630e_get_mac_addr(pci_dev, net_dev);
- else if ((revision > 0x81) && (revision <= 0x90) )
+ else if ((sis_priv->chipset_rev > 0x81) && (sis_priv->chipset_rev <= 0x90) )
ret = sis635_get_mac_addr(pci_dev, net_dev);
- else if (revision == SIS96x_900_REV)
+ else if (sis_priv->chipset_rev == SIS96x_900_REV)
ret = sis96x_get_mac_addr(pci_dev, net_dev);
else
ret = sis900_get_mac_addr(pci_dev, net_dev);
if (ret == 0) {
+ printk(KERN_WARNING "%s: Cannot read MAC address.\n", dev_name);
ret = -ENODEV;
goto err_unmap_rx;
}
/* 630ET : set the mii access mode as software-mode */
- if (revision == SIS630ET_900_REV)
+ if (sis_priv->chipset_rev == SIS630ET_900_REV)
outl(ACCESSMODE | inl(ioaddr + cr), ioaddr + cr);
/* probe for mii transceiver */
if (sis900_mii_probe(net_dev) == 0) {
+ printk(KERN_WARNING "%s: Error probing MII device.\n",
+ dev_name);
ret = -ENODEV;
goto err_unmap_rx;
}
u16 poll_bit = MII_STAT_LINK, status = 0;
unsigned long timeout = jiffies + 5 * HZ;
int phy_addr;
- u8 revision;
sis_priv->mii = NULL;
for(i = 0; i < 2; i++)
mii_status = mdio_read(net_dev, phy_addr, MII_STATUS);
- if (mii_status == 0xffff || mii_status == 0x0000)
- /* the mii is not accessible, try next one */
+ if (mii_status == 0xffff || mii_status == 0x0000) {
+ if (netif_msg_probe(sis_priv))
+ printk(KERN_DEBUG "%s: MII at address %d"
+ " not accessible\n",
+ dev_name, phy_addr);
continue;
+ }
if ((mii_phy = kmalloc(sizeof(struct mii_phy), GFP_KERNEL)) == NULL) {
- printk(KERN_INFO "Cannot allocate mem for struct mii_phy\n");
+ printk(KERN_WARNING "Cannot allocate mem for struct mii_phy\n");
mii_phy = sis_priv->first_mii;
while (mii_phy) {
struct mii_phy *phy;
if (mii_chip_table[i].phy_types == MIX)
mii_phy->phy_types =
(mii_status & (MII_STAT_CAN_TX_FDX | MII_STAT_CAN_TX)) ? LAN : HOME;
- printk(KERN_INFO "%s: %s transceiver found at address %d.\n",
- dev_name, mii_chip_table[i].name,
- phy_addr);
+ printk(KERN_INFO "%s: %s transceiver found "
+ "at address %d.\n",
+ dev_name,
+ mii_chip_table[i].name,
+ phy_addr);
break;
}
}
}
- pci_read_config_byte(sis_priv->pci_dev, PCI_CLASS_REVISION, &revision);
- if (revision == SIS630E_900_REV) {
+ if (sis_priv->chipset_rev == SIS630E_900_REV) {
/* SiS 630E has some bugs on default value of PHY registers */
mdio_write(net_dev, sis_priv->cur_phy, MII_ANADV, 0x05e1);
mdio_write(net_dev, sis_priv->cur_phy, MII_CONFIG1, 0x22);
pci_name(sis_priv->pci_dev), sis_priv->cur_phy);
}
+ sis_priv->mii_info.phy_id = sis_priv->cur_phy;
+
status = mdio_read(net_dev, sis_priv->cur_phy, MII_CONTROL);
status &= (~MII_CNTL_ISOLATE);
* Please see SiS7014 or ICS spec
*/
-static u16 mdio_read(struct net_device *net_dev, int phy_id, int location)
+static int mdio_read(struct net_device *net_dev, int phy_id, int location)
{
long mdio_addr = net_dev->base_addr + mear;
int mii_cmd = MIIread|(phy_id<<MIIpmdShift)|(location<<MIIregShift);
return status;
}
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+*/
+static void sis900_poll(struct net_device *dev)
+{
+ disable_irq(dev->irq);
+ sis900_interrupt(dev->irq, dev, NULL);
+ enable_irq(dev->irq);
+}
+#endif
+
/**
* sis900_open - open sis900 device
* @net_dev: the net device to open
{
struct sis900_private *sis_priv = net_dev->priv;
long ioaddr = net_dev->base_addr;
- u8 revision;
int ret;
/* Soft reset the chip. */
sis900_reset(net_dev);
/* Equalizer workaround Rule */
- pci_read_config_byte(sis_priv->pci_dev, PCI_CLASS_REVISION, &revision);
- sis630_set_eq(net_dev, revision);
+ sis630_set_eq(net_dev, sis_priv->chipset_rev);
ret = request_irq(net_dev->irq, &sis900_interrupt, SA_SHIRQ,
net_dev->name, net_dev);
static void
sis900_init_rxfilter (struct net_device * net_dev)
{
+ struct sis900_private *sis_priv = net_dev->priv;
long ioaddr = net_dev->base_addr;
u32 rfcrSave;
u32 i;
outl((i << RFADDR_shift), ioaddr + rfcr);
outl(w, ioaddr + rfdr);
- if (sis900_debug > 2) {
- printk(KERN_INFO "%s: Receive Filter Addrss[%d]=%x\n",
+ if (netif_msg_hw(sis_priv)) {
+ printk(KERN_DEBUG "%s: Receive Filter Addrss[%d]=%x\n",
net_dev->name, i, inl(ioaddr + rfdr));
}
}
/* load Transmit Descriptor Register */
outl(sis_priv->tx_ring_dma, ioaddr + txdp);
- if (sis900_debug > 2)
- printk(KERN_INFO "%s: TX descriptor register loaded with: %8.8x\n",
+ if (netif_msg_hw(sis_priv))
+ printk(KERN_DEBUG "%s: TX descriptor register loaded with: %8.8x\n",
net_dev->name, inl(ioaddr + txdp));
}
/* load Receive Descriptor Register */
outl(sis_priv->rx_ring_dma, ioaddr + rxdp);
- if (sis900_debug > 2)
- printk(KERN_INFO "%s: RX descriptor register loaded with: %8.8x\n",
+ if (netif_msg_hw(sis_priv))
+ printk(KERN_DEBUG "%s: RX descriptor register loaded with: %8.8x\n",
net_dev->name, inl(ioaddr + rxdp));
}
struct mii_phy *mii_phy = sis_priv->mii;
static int next_tick = 5*HZ;
u16 status;
- u8 revision;
if (!sis_priv->autong_complete){
int speed, duplex = 0;
sis900_read_mode(net_dev, &speed, &duplex);
if (duplex){
sis900_set_mode(net_dev->base_addr, speed, duplex);
- pci_read_config_byte(sis_priv->pci_dev,
- PCI_CLASS_REVISION, &revision);
- sis630_set_eq(net_dev, revision);
+ sis630_set_eq(net_dev, sis_priv->chipset_rev);
netif_start_queue(net_dev);
}
/* Link ON -> OFF */
if (!(status & MII_STAT_LINK)){
netif_carrier_off(net_dev);
- printk(KERN_INFO "%s: Media Link Off\n", net_dev->name);
+ if(netif_msg_link(sis_priv))
+ printk(KERN_INFO "%s: Media Link Off\n", net_dev->name);
/* Change mode issue */
if ((mii_phy->phy_id0 == 0x001D) &&
((mii_phy->phy_id1 & 0xFFF0) == 0x8000))
sis900_reset_phy(net_dev, sis_priv->cur_phy);
- pci_read_config_byte(sis_priv->pci_dev,
- PCI_CLASS_REVISION, &revision);
- sis630_set_eq(net_dev, revision);
+ sis630_set_eq(net_dev, sis_priv->chipset_rev);
goto LookForLink;
}
status = mdio_read(net_dev, phy_addr, MII_STATUS);
if (!(status & MII_STAT_LINK)){
- printk(KERN_INFO "%s: Media Link Off\n", net_dev->name);
+ if(netif_msg_link(sis_priv))
+ printk(KERN_INFO "%s: Media Link Off\n", net_dev->name);
sis_priv->autong_complete = 1;
netif_carrier_off(net_dev);
return;
*speed = HW_SPEED_100_MBPS;
}
- printk(KERN_INFO "%s: Media Link On %s %s-duplex \n",
+ if(netif_msg_link(sis_priv))
+ printk(KERN_INFO "%s: Media Link On %s %s-duplex \n",
net_dev->name,
*speed == HW_SPEED_100_MBPS ?
"100mbps" : "10mbps",
unsigned long flags;
int i;
- printk(KERN_INFO "%s: Transmit timeout, status %8.8x %8.8x \n",
- net_dev->name, inl(ioaddr + cr), inl(ioaddr + isr));
+ if(netif_msg_tx_err(sis_priv))
+ printk(KERN_INFO "%s: Transmit timeout, status %8.8x %8.8x \n",
+ net_dev->name, inl(ioaddr + cr), inl(ioaddr + isr));
/* Disable interrupts by clearing the interrupt mask. */
outl(0x0000, ioaddr + imr);
net_dev->trans_start = jiffies;
- if (sis900_debug > 3)
- printk(KERN_INFO "%s: Queued Tx packet at %p size %d "
+ if (netif_msg_tx_queued(sis_priv))
+ printk(KERN_DEBUG "%s: Queued Tx packet at %p size %d "
"to slot %d.\n",
net_dev->name, skb->data, (int)skb->len, entry);
/* something strange happened !!! */
if (status & HIBERR) {
- printk(KERN_INFO "%s: Abnormal interrupt,"
- "status %#8.8x.\n", net_dev->name, status);
+ if(netif_msg_intr(sis_priv))
+ printk(KERN_INFO "%s: Abnormal interrupt,"
+ "status %#8.8x.\n", net_dev->name, status);
break;
}
if (--boguscnt < 0) {
- printk(KERN_INFO "%s: Too much work at interrupt, "
- "interrupt status = %#8.8x.\n",
- net_dev->name, status);
+ if(netif_msg_intr(sis_priv))
+ printk(KERN_INFO "%s: Too much work at interrupt, "
+ "interrupt status = %#8.8x.\n",
+ net_dev->name, status);
break;
}
} while (1);
- if (sis900_debug > 3)
- printk(KERN_INFO "%s: exiting interrupt, "
+ if(netif_msg_intr(sis_priv))
+ printk(KERN_DEBUG "%s: exiting interrupt, "
"interrupt status = 0x%#8.8x.\n",
net_dev->name, inl(ioaddr + isr));
unsigned int entry = sis_priv->cur_rx % NUM_RX_DESC;
u32 rx_status = sis_priv->rx_ring[entry].cmdsts;
- if (sis900_debug > 3)
- printk(KERN_INFO "sis900_rx, cur_rx:%4.4d, dirty_rx:%4.4d "
+ if (netif_msg_rx_status(sis_priv))
+ printk(KERN_DEBUG "sis900_rx, cur_rx:%4.4d, dirty_rx:%4.4d "
"status:0x%8.8x\n",
sis_priv->cur_rx, sis_priv->dirty_rx, rx_status);
if (rx_status & (ABORT|OVERRUN|TOOLONG|RUNT|RXISERR|CRCERR|FAERR)) {
/* corrupted packet received */
- if (sis900_debug > 3)
- printk(KERN_INFO "%s: Corrupted packet "
+ if (netif_msg_rx_err(sis_priv))
+ printk(KERN_DEBUG "%s: Corrupted packet "
"received, buffer status = 0x%8.8x.\n",
net_dev->name, rx_status);
sis_priv->stats.rx_errors++;
some unknow bugs, it is possible that
we are working on NULL sk_buff :-( */
if (sis_priv->rx_skbuff[entry] == NULL) {
- printk(KERN_INFO "%s: NULL pointer "
- "encountered in Rx ring, skipping\n",
- net_dev->name);
+ if (netif_msg_rx_err(sis_priv))
+ printk(KERN_INFO "%s: NULL pointer "
+ "encountered in Rx ring, skipping\n",
+ net_dev->name);
break;
}
* "hole" on the buffer ring, it is not clear
* how the hardware will react to this kind
* of degenerated buffer */
- printk(KERN_INFO "%s: Memory squeeze,"
- "deferring packet.\n",
- net_dev->name);
+ if (netif_msg_rx_status(sis_priv))
+ printk(KERN_INFO "%s: Memory squeeze,"
+ "deferring packet.\n",
+ net_dev->name);
sis_priv->rx_skbuff[entry] = NULL;
/* reset buffer descriptor state */
sis_priv->rx_ring[entry].cmdsts = 0;
* "hole" on the buffer ring, it is not clear
* how the hardware will react to this kind
* of degenerated buffer */
- printk(KERN_INFO "%s: Memory squeeze,"
- "deferring packet.\n",
- net_dev->name);
+ if (netif_msg_rx_err(sis_priv))
+ printk(KERN_INFO "%s: Memory squeeze,"
+ "deferring packet.\n",
+ net_dev->name);
sis_priv->stats.rx_dropped++;
break;
}
if (tx_status & (ABORT | UNDERRUN | OWCOLL)) {
/* packet unsuccessfully transmitted */
- if (sis900_debug > 3)
- printk(KERN_INFO "%s: Transmit "
+ if (netif_msg_tx_err(sis_priv))
+ printk(KERN_DEBUG "%s: Transmit "
"error, Tx status %8.8x.\n",
net_dev->name, tx_status);
sis_priv->stats.tx_errors++;
strcpy (info->bus_info, pci_name(sis_priv->pci_dev));
}
+static u32 sis900_get_msglevel(struct net_device *net_dev)
+{
+ struct sis900_private *sis_priv = net_dev->priv;
+ return sis_priv->msg_enable;
+}
+
+static void sis900_set_msglevel(struct net_device *net_dev, u32 value)
+{
+ struct sis900_private *sis_priv = net_dev->priv;
+ sis_priv->msg_enable = value;
+}
+
+static u32 sis900_get_link(struct net_device *net_dev)
+{
+ struct sis900_private *sis_priv = net_dev->priv;
+ return mii_link_ok(&sis_priv->mii_info);
+}
+
+static int sis900_get_settings(struct net_device *net_dev,
+ struct ethtool_cmd *cmd)
+{
+ struct sis900_private *sis_priv = net_dev->priv;
+ spin_lock_irq(&sis_priv->lock);
+ mii_ethtool_gset(&sis_priv->mii_info, cmd);
+ spin_unlock_irq(&sis_priv->lock);
+ return 0;
+}
+
+static int sis900_set_settings(struct net_device *net_dev,
+ struct ethtool_cmd *cmd)
+{
+ struct sis900_private *sis_priv = net_dev->priv;
+ int rt;
+ spin_lock_irq(&sis_priv->lock);
+ rt = mii_ethtool_sset(&sis_priv->mii_info, cmd);
+ spin_unlock_irq(&sis_priv->lock);
+ return rt;
+}
+
+static int sis900_nway_reset(struct net_device *net_dev)
+{
+ struct sis900_private *sis_priv = net_dev->priv;
+ return mii_nway_restart(&sis_priv->mii_info);
+}
+
static struct ethtool_ops sis900_ethtool_ops = {
- .get_drvinfo = sis900_get_drvinfo,
+ .get_drvinfo = sis900_get_drvinfo,
+ .get_msglevel = sis900_get_msglevel,
+ .set_msglevel = sis900_set_msglevel,
+ .get_link = sis900_get_link,
+ .get_settings = sis900_get_settings,
+ .set_settings = sis900_set_settings,
+ .nway_reset = sis900_nway_reset,
};
/**
case IF_PORT_AUI: /* AUI */
case IF_PORT_100BASEFX: /* 100BaseFx */
/* These Modes are not supported (are they?)*/
- printk(KERN_INFO "Not supported");
return -EOPNOTSUPP;
break;
default:
- printk(KERN_INFO "Invalid");
return -EINVAL;
}
}
u16 mc_filter[16] = {0}; /* 256/128 bits multicast hash table */
int i, table_entries;
u32 rx_mode;
- u8 revision;
/* 635 Hash Table entires = 256(2^16) */
- pci_read_config_byte(sis_priv->pci_dev, PCI_CLASS_REVISION, &revision);
- if((revision >= SIS635A_900_REV) || (revision == SIS900B_900_REV))
+ if((sis_priv->chipset_rev >= SIS635A_900_REV) ||
+ (sis_priv->chipset_rev == SIS900B_900_REV))
table_entries = 16;
else
table_entries = 8;
mclist && i < net_dev->mc_count;
i++, mclist = mclist->next) {
unsigned int bit_nr =
- sis900_mcast_bitnr(mclist->dmi_addr, revision);
+ sis900_mcast_bitnr(mclist->dmi_addr, sis_priv->chipset_rev);
mc_filter[bit_nr >> 4] |= (1 << (bit_nr & 0xf));
}
}
long ioaddr = net_dev->base_addr;
int i = 0;
u32 status = TxRCMP | RxRCMP;
- u8 revision;
outl(0, ioaddr + ier);
outl(0, ioaddr + imr);
status ^= (inl(isr + ioaddr) & status);
}
- pci_read_config_byte(sis_priv->pci_dev, PCI_CLASS_REVISION, &revision);
- if( (revision >= SIS635A_900_REV) || (revision == SIS900B_900_REV) )
+ if( (sis_priv->chipset_rev >= SIS635A_900_REV) ||
+ (sis_priv->chipset_rev == SIS900B_900_REV) )
outl(PESEL | RND_CNT, ioaddr + cfg);
else
outl(PESEL, ioaddr + cfg);
#ifdef CONFIG_PM
-static int sis900_suspend(struct pci_dev *pci_dev, u32 state)
+static int sis900_suspend(struct pci_dev *pci_dev, pm_message_t state)
{
struct net_device *net_dev = pci_get_drvdata(pci_dev);
long ioaddr = net_dev->base_addr;
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