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path: root/drivers/net/ethernet/amd/pcnet32.c
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Diffstat (limited to 'drivers/net/ethernet/amd/pcnet32.c')
-rw-r--r--drivers/net/ethernet/amd/pcnet32.c195
1 files changed, 131 insertions, 64 deletions
diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c
index 41e58cca8fee..86369d7c9a0f 100644
--- a/drivers/net/ethernet/amd/pcnet32.c
+++ b/drivers/net/ethernet/amd/pcnet32.c
@@ -291,7 +291,10 @@ struct pcnet32_private {
int options;
unsigned int shared_irq:1, /* shared irq possible */
dxsuflo:1, /* disable transmit stop on uflo */
- mii:1; /* mii port available */
+ mii:1, /* mii port available */
+ autoneg:1, /* autoneg enabled */
+ port_tp:1, /* port set to TP */
+ fdx:1; /* full duplex enabled */
struct net_device *next;
struct mii_if_info mii_if;
struct timer_list watchdog_timer;
@@ -677,6 +680,52 @@ static void pcnet32_poll_controller(struct net_device *dev)
}
#endif
+/*
+ * lp->lock must be held.
+ */
+static int pcnet32_suspend(struct net_device *dev, unsigned long *flags,
+ int can_sleep)
+{
+ int csr5;
+ struct pcnet32_private *lp = netdev_priv(dev);
+ const struct pcnet32_access *a = lp->a;
+ ulong ioaddr = dev->base_addr;
+ int ticks;
+
+ /* really old chips have to be stopped. */
+ if (lp->chip_version < PCNET32_79C970A)
+ return 0;
+
+ /* set SUSPEND (SPND) - CSR5 bit 0 */
+ csr5 = a->read_csr(ioaddr, CSR5);
+ a->write_csr(ioaddr, CSR5, csr5 | CSR5_SUSPEND);
+
+ /* poll waiting for bit to be set */
+ ticks = 0;
+ while (!(a->read_csr(ioaddr, CSR5) & CSR5_SUSPEND)) {
+ spin_unlock_irqrestore(&lp->lock, *flags);
+ if (can_sleep)
+ msleep(1);
+ else
+ mdelay(1);
+ spin_lock_irqsave(&lp->lock, *flags);
+ ticks++;
+ if (ticks > 200) {
+ netif_printk(lp, hw, KERN_DEBUG, dev,
+ "Error getting into suspend!\n");
+ return 0;
+ }
+ }
+ return 1;
+}
+
+static void pcnet32_clr_suspend(struct pcnet32_private *lp, ulong ioaddr)
+{
+ int csr5 = lp->a->read_csr(ioaddr, CSR5);
+ /* clear SUSPEND (SPND) - CSR5 bit 0 */
+ lp->a->write_csr(ioaddr, CSR5, csr5 & ~CSR5_SUSPEND);
+}
+
static int pcnet32_get_link_ksettings(struct net_device *dev,
struct ethtool_link_ksettings *cmd)
{
@@ -684,12 +733,29 @@ static int pcnet32_get_link_ksettings(struct net_device *dev,
unsigned long flags;
int r = -EOPNOTSUPP;
+ spin_lock_irqsave(&lp->lock, flags);
if (lp->mii) {
- spin_lock_irqsave(&lp->lock, flags);
mii_ethtool_get_link_ksettings(&lp->mii_if, cmd);
- spin_unlock_irqrestore(&lp->lock, flags);
+ r = 0;
+ } else if (lp->chip_version == PCNET32_79C970A) {
+ if (lp->autoneg) {
+ cmd->base.autoneg = AUTONEG_ENABLE;
+ if (lp->a->read_bcr(dev->base_addr, 4) == 0xc0)
+ cmd->base.port = PORT_AUI;
+ else
+ cmd->base.port = PORT_TP;
+ } else {
+ cmd->base.autoneg = AUTONEG_DISABLE;
+ cmd->base.port = lp->port_tp ? PORT_TP : PORT_AUI;
+ }
+ cmd->base.duplex = lp->fdx ? DUPLEX_FULL : DUPLEX_HALF;
+ cmd->base.speed = SPEED_10;
+ ethtool_convert_legacy_u32_to_link_mode(
+ cmd->link_modes.supported,
+ SUPPORTED_TP | SUPPORTED_AUI);
r = 0;
}
+ spin_unlock_irqrestore(&lp->lock, flags);
return r;
}
@@ -697,14 +763,46 @@ static int pcnet32_set_link_ksettings(struct net_device *dev,
const struct ethtool_link_ksettings *cmd)
{
struct pcnet32_private *lp = netdev_priv(dev);
+ ulong ioaddr = dev->base_addr;
unsigned long flags;
int r = -EOPNOTSUPP;
+ int suspended, bcr2, bcr9, csr15;
+ spin_lock_irqsave(&lp->lock, flags);
if (lp->mii) {
- spin_lock_irqsave(&lp->lock, flags);
r = mii_ethtool_set_link_ksettings(&lp->mii_if, cmd);
- spin_unlock_irqrestore(&lp->lock, flags);
+ } else if (lp->chip_version == PCNET32_79C970A) {
+ suspended = pcnet32_suspend(dev, &flags, 0);
+ if (!suspended)
+ lp->a->write_csr(ioaddr, CSR0, CSR0_STOP);
+
+ lp->autoneg = cmd->base.autoneg == AUTONEG_ENABLE;
+ bcr2 = lp->a->read_bcr(ioaddr, 2);
+ if (cmd->base.autoneg == AUTONEG_ENABLE) {
+ lp->a->write_bcr(ioaddr, 2, bcr2 | 0x0002);
+ } else {
+ lp->a->write_bcr(ioaddr, 2, bcr2 & ~0x0002);
+
+ lp->port_tp = cmd->base.port == PORT_TP;
+ csr15 = lp->a->read_csr(ioaddr, CSR15) & ~0x0180;
+ if (cmd->base.port == PORT_TP)
+ csr15 |= 0x0080;
+ lp->a->write_csr(ioaddr, CSR15, csr15);
+ lp->init_block->mode = cpu_to_le16(csr15);
+
+ lp->fdx = cmd->base.duplex == DUPLEX_FULL;
+ bcr9 = lp->a->read_bcr(ioaddr, 9) & ~0x0003;
+ if (cmd->base.duplex == DUPLEX_FULL)
+ bcr9 |= 0x0003;
+ lp->a->write_bcr(ioaddr, 9, bcr9);
+ }
+ if (suspended)
+ pcnet32_clr_suspend(lp, ioaddr);
+ else if (netif_running(dev))
+ pcnet32_restart(dev, CSR0_NORMAL);
+ r = 0;
}
+ spin_unlock_irqrestore(&lp->lock, flags);
return r;
}
@@ -732,7 +830,14 @@ static u32 pcnet32_get_link(struct net_device *dev)
spin_lock_irqsave(&lp->lock, flags);
if (lp->mii) {
r = mii_link_ok(&lp->mii_if);
- } else if (lp->chip_version >= PCNET32_79C970A) {
+ } else if (lp->chip_version == PCNET32_79C970A) {
+ ulong ioaddr = dev->base_addr; /* card base I/O address */
+ /* only read link if port is set to TP */
+ if (!lp->autoneg && lp->port_tp)
+ r = (lp->a->read_bcr(ioaddr, 4) != 0xc0);
+ else /* link always up for AUI port or port auto select */
+ r = 1;
+ } else if (lp->chip_version > PCNET32_79C970A) {
ulong ioaddr = dev->base_addr; /* card base I/O address */
r = (lp->a->read_bcr(ioaddr, 4) != 0xc0);
} else { /* can not detect link on really old chips */
@@ -1070,45 +1175,6 @@ static int pcnet32_set_phys_id(struct net_device *dev,
}
/*
- * lp->lock must be held.
- */
-static int pcnet32_suspend(struct net_device *dev, unsigned long *flags,
- int can_sleep)
-{
- int csr5;
- struct pcnet32_private *lp = netdev_priv(dev);
- const struct pcnet32_access *a = lp->a;
- ulong ioaddr = dev->base_addr;
- int ticks;
-
- /* really old chips have to be stopped. */
- if (lp->chip_version < PCNET32_79C970A)
- return 0;
-
- /* set SUSPEND (SPND) - CSR5 bit 0 */
- csr5 = a->read_csr(ioaddr, CSR5);
- a->write_csr(ioaddr, CSR5, csr5 | CSR5_SUSPEND);
-
- /* poll waiting for bit to be set */
- ticks = 0;
- while (!(a->read_csr(ioaddr, CSR5) & CSR5_SUSPEND)) {
- spin_unlock_irqrestore(&lp->lock, *flags);
- if (can_sleep)
- msleep(1);
- else
- mdelay(1);
- spin_lock_irqsave(&lp->lock, *flags);
- ticks++;
- if (ticks > 200) {
- netif_printk(lp, hw, KERN_DEBUG, dev,
- "Error getting into suspend!\n");
- return 0;
- }
- }
- return 1;
-}
-
-/*
* process one receive descriptor entry
*/
@@ -1350,13 +1416,8 @@ static int pcnet32_poll(struct napi_struct *napi, int budget)
pcnet32_restart(dev, CSR0_START);
netif_wake_queue(dev);
}
- spin_unlock_irqrestore(&lp->lock, flags);
-
- if (work_done < budget) {
- spin_lock_irqsave(&lp->lock, flags);
-
- __napi_complete(napi);
+ if (work_done < budget && napi_complete_done(napi, work_done)) {
/* clear interrupt masks */
val = lp->a->read_csr(ioaddr, CSR3);
val &= 0x00ff;
@@ -1364,9 +1425,9 @@ static int pcnet32_poll(struct napi_struct *napi, int budget)
/* Set interrupt enable. */
lp->a->write_csr(ioaddr, CSR0, CSR0_INTEN);
-
- spin_unlock_irqrestore(&lp->lock, flags);
}
+
+ spin_unlock_irqrestore(&lp->lock, flags);
return work_done;
}
@@ -1430,13 +1491,8 @@ static void pcnet32_get_regs(struct net_device *dev, struct ethtool_regs *regs,
}
}
- if (!(csr0 & CSR0_STOP)) { /* If not stopped */
- int csr5;
-
- /* clear SUSPEND (SPND) - CSR5 bit 0 */
- csr5 = a->read_csr(ioaddr, CSR5);
- a->write_csr(ioaddr, CSR5, csr5 & (~CSR5_SUSPEND));
- }
+ if (!(csr0 & CSR0_STOP)) /* If not stopped */
+ pcnet32_clr_suspend(lp, ioaddr);
spin_unlock_irqrestore(&lp->lock, flags);
}
@@ -1817,6 +1873,9 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
lp->options = PCNET32_PORT_ASEL;
else
lp->options = options_mapping[options[cards_found]];
+ /* force default port to TP on 79C970A so link detection can work */
+ if (lp->chip_version == PCNET32_79C970A)
+ lp->options = PCNET32_PORT_10BT;
lp->mii_if.dev = dev;
lp->mii_if.mdio_read = mdio_read;
lp->mii_if.mdio_write = mdio_write;
@@ -2068,6 +2127,10 @@ static int pcnet32_open(struct net_device *dev)
(u32) (lp->rx_ring_dma_addr),
(u32) (lp->init_dma_addr));
+ lp->autoneg = !!(lp->options & PCNET32_PORT_ASEL);
+ lp->port_tp = !!(lp->options & PCNET32_PORT_10BT);
+ lp->fdx = !!(lp->options & PCNET32_PORT_FD);
+
/* set/reset autoselect bit */
val = lp->a->read_bcr(ioaddr, 2) & ~2;
if (lp->options & PCNET32_PORT_ASEL)
@@ -2680,10 +2743,7 @@ static void pcnet32_set_multicast_list(struct net_device *dev)
}
if (suspended) {
- int csr5;
- /* clear SUSPEND (SPND) - CSR5 bit 0 */
- csr5 = lp->a->read_csr(ioaddr, CSR5);
- lp->a->write_csr(ioaddr, CSR5, csr5 & (~CSR5_SUSPEND));
+ pcnet32_clr_suspend(lp, ioaddr);
} else {
lp->a->write_csr(ioaddr, CSR0, CSR0_STOP);
pcnet32_restart(dev, CSR0_NORMAL);
@@ -2794,6 +2854,13 @@ static void pcnet32_check_media(struct net_device *dev, int verbose)
if (lp->mii) {
curr_link = mii_link_ok(&lp->mii_if);
+ } else if (lp->chip_version == PCNET32_79C970A) {
+ ulong ioaddr = dev->base_addr; /* card base I/O address */
+ /* only read link if port is set to TP */
+ if (!lp->autoneg && lp->port_tp)
+ curr_link = (lp->a->read_bcr(ioaddr, 4) != 0xc0);
+ else /* link always up for AUI port or port auto select */
+ curr_link = 1;
} else {
ulong ioaddr = dev->base_addr; /* card base I/O address */
curr_link = (lp->a->read_bcr(ioaddr, 4) != 0xc0);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-06 03:36:12 +0300