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path: root/drivers/net/smsc911x.c
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Diffstat (limited to 'drivers/net/smsc911x.c')
-rw-r--r--drivers/net/smsc911x.c448
1 files changed, 295 insertions, 153 deletions
diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index 4b42ecc63dcf..c6d47d10590c 100644
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -29,6 +29,8 @@
*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/crc32.h>
#include <linux/delay.h>
#include <linux/errno.h>
@@ -69,6 +71,17 @@ static int debug = 3;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
+struct smsc911x_data;
+
+struct smsc911x_ops {
+ u32 (*reg_read)(struct smsc911x_data *pdata, u32 reg);
+ void (*reg_write)(struct smsc911x_data *pdata, u32 reg, u32 val);
+ void (*rx_readfifo)(struct smsc911x_data *pdata,
+ unsigned int *buf, unsigned int wordcount);
+ void (*tx_writefifo)(struct smsc911x_data *pdata,
+ unsigned int *buf, unsigned int wordcount);
+};
+
struct smsc911x_data {
void __iomem *ioaddr;
@@ -116,8 +129,14 @@ struct smsc911x_data {
unsigned int clear_bits_mask;
unsigned int hashhi;
unsigned int hashlo;
+
+ /* register access functions */
+ const struct smsc911x_ops *ops;
};
+/* Easy access to information */
+#define __smsc_shift(pdata, reg) ((reg) << ((pdata)->config.shift))
+
static inline u32 __smsc911x_reg_read(struct smsc911x_data *pdata, u32 reg)
{
if (pdata->config.flags & SMSC911X_USE_32BIT)
@@ -131,13 +150,29 @@ static inline u32 __smsc911x_reg_read(struct smsc911x_data *pdata, u32 reg)
return 0;
}
+static inline u32
+__smsc911x_reg_read_shift(struct smsc911x_data *pdata, u32 reg)
+{
+ if (pdata->config.flags & SMSC911X_USE_32BIT)
+ return readl(pdata->ioaddr + __smsc_shift(pdata, reg));
+
+ if (pdata->config.flags & SMSC911X_USE_16BIT)
+ return (readw(pdata->ioaddr +
+ __smsc_shift(pdata, reg)) & 0xFFFF) |
+ ((readw(pdata->ioaddr +
+ __smsc_shift(pdata, reg + 2)) & 0xFFFF) << 16);
+
+ BUG();
+ return 0;
+}
+
static inline u32 smsc911x_reg_read(struct smsc911x_data *pdata, u32 reg)
{
u32 data;
unsigned long flags;
spin_lock_irqsave(&pdata->dev_lock, flags);
- data = __smsc911x_reg_read(pdata, reg);
+ data = pdata->ops->reg_read(pdata, reg);
spin_unlock_irqrestore(&pdata->dev_lock, flags);
return data;
@@ -160,13 +195,32 @@ static inline void __smsc911x_reg_write(struct smsc911x_data *pdata, u32 reg,
BUG();
}
+static inline void
+__smsc911x_reg_write_shift(struct smsc911x_data *pdata, u32 reg, u32 val)
+{
+ if (pdata->config.flags & SMSC911X_USE_32BIT) {
+ writel(val, pdata->ioaddr + __smsc_shift(pdata, reg));
+ return;
+ }
+
+ if (pdata->config.flags & SMSC911X_USE_16BIT) {
+ writew(val & 0xFFFF,
+ pdata->ioaddr + __smsc_shift(pdata, reg));
+ writew((val >> 16) & 0xFFFF,
+ pdata->ioaddr + __smsc_shift(pdata, reg + 2));
+ return;
+ }
+
+ BUG();
+}
+
static inline void smsc911x_reg_write(struct smsc911x_data *pdata, u32 reg,
u32 val)
{
unsigned long flags;
spin_lock_irqsave(&pdata->dev_lock, flags);
- __smsc911x_reg_write(pdata, reg, val);
+ pdata->ops->reg_write(pdata, reg, val);
spin_unlock_irqrestore(&pdata->dev_lock, flags);
}
@@ -202,6 +256,40 @@ out:
spin_unlock_irqrestore(&pdata->dev_lock, flags);
}
+/* Writes a packet to the TX_DATA_FIFO - shifted version */
+static inline void
+smsc911x_tx_writefifo_shift(struct smsc911x_data *pdata, unsigned int *buf,
+ unsigned int wordcount)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&pdata->dev_lock, flags);
+
+ if (pdata->config.flags & SMSC911X_SWAP_FIFO) {
+ while (wordcount--)
+ __smsc911x_reg_write_shift(pdata, TX_DATA_FIFO,
+ swab32(*buf++));
+ goto out;
+ }
+
+ if (pdata->config.flags & SMSC911X_USE_32BIT) {
+ writesl(pdata->ioaddr + __smsc_shift(pdata,
+ TX_DATA_FIFO), buf, wordcount);
+ goto out;
+ }
+
+ if (pdata->config.flags & SMSC911X_USE_16BIT) {
+ while (wordcount--)
+ __smsc911x_reg_write_shift(pdata,
+ TX_DATA_FIFO, *buf++);
+ goto out;
+ }
+
+ BUG();
+out:
+ spin_unlock_irqrestore(&pdata->dev_lock, flags);
+}
+
/* Reads a packet out of the RX_DATA_FIFO */
static inline void
smsc911x_rx_readfifo(struct smsc911x_data *pdata, unsigned int *buf,
@@ -234,6 +322,40 @@ out:
spin_unlock_irqrestore(&pdata->dev_lock, flags);
}
+/* Reads a packet out of the RX_DATA_FIFO - shifted version */
+static inline void
+smsc911x_rx_readfifo_shift(struct smsc911x_data *pdata, unsigned int *buf,
+ unsigned int wordcount)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&pdata->dev_lock, flags);
+
+ if (pdata->config.flags & SMSC911X_SWAP_FIFO) {
+ while (wordcount--)
+ *buf++ = swab32(__smsc911x_reg_read_shift(pdata,
+ RX_DATA_FIFO));
+ goto out;
+ }
+
+ if (pdata->config.flags & SMSC911X_USE_32BIT) {
+ readsl(pdata->ioaddr + __smsc_shift(pdata,
+ RX_DATA_FIFO), buf, wordcount);
+ goto out;
+ }
+
+ if (pdata->config.flags & SMSC911X_USE_16BIT) {
+ while (wordcount--)
+ *buf++ = __smsc911x_reg_read_shift(pdata,
+ RX_DATA_FIFO);
+ goto out;
+ }
+
+ BUG();
+out:
+ spin_unlock_irqrestore(&pdata->dev_lock, flags);
+}
+
/* waits for MAC not busy, with timeout. Only called by smsc911x_mac_read
* and smsc911x_mac_write, so assumes mac_lock is held */
static int smsc911x_mac_complete(struct smsc911x_data *pdata)
@@ -248,8 +370,8 @@ static int smsc911x_mac_complete(struct smsc911x_data *pdata)
if (!(val & MAC_CSR_CMD_CSR_BUSY_))
return 0;
}
- SMSC_WARNING(HW, "Timed out waiting for MAC not BUSY. "
- "MAC_CSR_CMD: 0x%08X", val);
+ SMSC_WARN(pdata, hw, "Timed out waiting for MAC not BUSY. "
+ "MAC_CSR_CMD: 0x%08X", val);
return -EIO;
}
@@ -262,7 +384,7 @@ static u32 smsc911x_mac_read(struct smsc911x_data *pdata, unsigned int offset)
temp = smsc911x_reg_read(pdata, MAC_CSR_CMD);
if (unlikely(temp & MAC_CSR_CMD_CSR_BUSY_)) {
- SMSC_WARNING(HW, "MAC busy at entry");
+ SMSC_WARN(pdata, hw, "MAC busy at entry");
return 0xFFFFFFFF;
}
@@ -277,7 +399,7 @@ static u32 smsc911x_mac_read(struct smsc911x_data *pdata, unsigned int offset)
if (likely(smsc911x_mac_complete(pdata) == 0))
return smsc911x_reg_read(pdata, MAC_CSR_DATA);
- SMSC_WARNING(HW, "MAC busy after read");
+ SMSC_WARN(pdata, hw, "MAC busy after read");
return 0xFFFFFFFF;
}
@@ -291,8 +413,8 @@ static void smsc911x_mac_write(struct smsc911x_data *pdata,
temp = smsc911x_reg_read(pdata, MAC_CSR_CMD);
if (unlikely(temp & MAC_CSR_CMD_CSR_BUSY_)) {
- SMSC_WARNING(HW,
- "smsc911x_mac_write failed, MAC busy at entry");
+ SMSC_WARN(pdata, hw,
+ "smsc911x_mac_write failed, MAC busy at entry");
return;
}
@@ -310,8 +432,7 @@ static void smsc911x_mac_write(struct smsc911x_data *pdata,
if (likely(smsc911x_mac_complete(pdata) == 0))
return;
- SMSC_WARNING(HW,
- "smsc911x_mac_write failed, MAC busy after write");
+ SMSC_WARN(pdata, hw, "smsc911x_mac_write failed, MAC busy after write");
}
/* Get a phy register */
@@ -326,8 +447,7 @@ static int smsc911x_mii_read(struct mii_bus *bus, int phyaddr, int regidx)
/* Confirm MII not busy */
if (unlikely(smsc911x_mac_read(pdata, MII_ACC) & MII_ACC_MII_BUSY_)) {
- SMSC_WARNING(HW,
- "MII is busy in smsc911x_mii_read???");
+ SMSC_WARN(pdata, hw, "MII is busy in smsc911x_mii_read???");
reg = -EIO;
goto out;
}
@@ -343,7 +463,7 @@ static int smsc911x_mii_read(struct mii_bus *bus, int phyaddr, int regidx)
goto out;
}
- SMSC_WARNING(HW, "Timed out waiting for MII read to finish");
+ SMSC_WARN(pdata, hw, "Timed out waiting for MII read to finish");
reg = -EIO;
out:
@@ -364,8 +484,7 @@ static int smsc911x_mii_write(struct mii_bus *bus, int phyaddr, int regidx,
/* Confirm MII not busy */
if (unlikely(smsc911x_mac_read(pdata, MII_ACC) & MII_ACC_MII_BUSY_)) {
- SMSC_WARNING(HW,
- "MII is busy in smsc911x_mii_write???");
+ SMSC_WARN(pdata, hw, "MII is busy in smsc911x_mii_write???");
reg = -EIO;
goto out;
}
@@ -385,7 +504,7 @@ static int smsc911x_mii_write(struct mii_bus *bus, int phyaddr, int regidx,
goto out;
}
- SMSC_WARNING(HW, "Timed out waiting for MII write to finish");
+ SMSC_WARN(pdata, hw, "Timed out waiting for MII write to finish");
reg = -EIO;
out:
@@ -426,18 +545,20 @@ static void smsc911x_phy_initialise_external(struct smsc911x_data *pdata)
unsigned int hwcfg = smsc911x_reg_read(pdata, HW_CFG);
if (pdata->config.flags & SMSC911X_FORCE_INTERNAL_PHY) {
- SMSC_TRACE(HW, "Forcing internal PHY");
+ SMSC_TRACE(pdata, hw, "Forcing internal PHY");
pdata->using_extphy = 0;
} else if (pdata->config.flags & SMSC911X_FORCE_EXTERNAL_PHY) {
- SMSC_TRACE(HW, "Forcing external PHY");
+ SMSC_TRACE(pdata, hw, "Forcing external PHY");
smsc911x_phy_enable_external(pdata);
pdata->using_extphy = 1;
} else if (hwcfg & HW_CFG_EXT_PHY_DET_) {
- SMSC_TRACE(HW, "HW_CFG EXT_PHY_DET set, using external PHY");
+ SMSC_TRACE(pdata, hw,
+ "HW_CFG EXT_PHY_DET set, using external PHY");
smsc911x_phy_enable_external(pdata);
pdata->using_extphy = 1;
} else {
- SMSC_TRACE(HW, "HW_CFG EXT_PHY_DET clear, using internal PHY");
+ SMSC_TRACE(pdata, hw,
+ "HW_CFG EXT_PHY_DET clear, using internal PHY");
pdata->using_extphy = 0;
}
}
@@ -499,7 +620,7 @@ static int smsc911x_phy_check_loopbackpkt(struct smsc911x_data *pdata)
wrsz += (u32)((ulong)pdata->loopback_tx_pkt & 0x3);
wrsz >>= 2;
- smsc911x_tx_writefifo(pdata, (unsigned int *)bufp, wrsz);
+ pdata->ops->tx_writefifo(pdata, (unsigned int *)bufp, wrsz);
/* Wait till transmit is done */
i = 60;
@@ -509,13 +630,13 @@ static int smsc911x_phy_check_loopbackpkt(struct smsc911x_data *pdata)
} while ((i--) && (!status));
if (!status) {
- SMSC_WARNING(HW, "Failed to transmit "
- "during loopback test");
+ SMSC_WARN(pdata, hw,
+ "Failed to transmit during loopback test");
continue;
}
if (status & TX_STS_ES_) {
- SMSC_WARNING(HW, "Transmit encountered "
- "errors during loopback test");
+ SMSC_WARN(pdata, hw,
+ "Transmit encountered errors during loopback test");
continue;
}
@@ -527,13 +648,13 @@ static int smsc911x_phy_check_loopbackpkt(struct smsc911x_data *pdata)
} while ((i--) && (!status));
if (!status) {
- SMSC_WARNING(HW,
- "Failed to receive during loopback test");
+ SMSC_WARN(pdata, hw,
+ "Failed to receive during loopback test");
continue;
}
if (status & RX_STS_ES_) {
- SMSC_WARNING(HW, "Receive encountered "
- "errors during loopback test");
+ SMSC_WARN(pdata, hw,
+ "Receive encountered errors during loopback test");
continue;
}
@@ -543,12 +664,12 @@ static int smsc911x_phy_check_loopbackpkt(struct smsc911x_data *pdata)
rdsz += (u32)((ulong)pdata->loopback_rx_pkt & 0x3);
rdsz >>= 2;
- smsc911x_rx_readfifo(pdata, (unsigned int *)bufp, rdsz);
+ pdata->ops->rx_readfifo(pdata, (unsigned int *)bufp, rdsz);
if (pktlength != (MIN_PACKET_SIZE + 4)) {
- SMSC_WARNING(HW, "Unexpected packet size "
- "during loop back test, size=%d, will retry",
- pktlength);
+ SMSC_WARN(pdata, hw, "Unexpected packet size "
+ "during loop back test, size=%d, will retry",
+ pktlength);
} else {
unsigned int j;
int mismatch = 0;
@@ -560,12 +681,12 @@ static int smsc911x_phy_check_loopbackpkt(struct smsc911x_data *pdata)
}
}
if (!mismatch) {
- SMSC_TRACE(HW, "Successfully verified "
+ SMSC_TRACE(pdata, hw, "Successfully verified "
"loopback packet");
return 0;
} else {
- SMSC_WARNING(HW, "Data mismatch "
- "during loop back test, will retry");
+ SMSC_WARN(pdata, hw, "Data mismatch "
+ "during loop back test, will retry");
}
}
}
@@ -582,7 +703,7 @@ static int smsc911x_phy_reset(struct smsc911x_data *pdata)
BUG_ON(!phy_dev);
BUG_ON(!phy_dev->bus);
- SMSC_TRACE(HW, "Performing PHY BCR Reset");
+ SMSC_TRACE(pdata, hw, "Performing PHY BCR Reset");
smsc911x_mii_write(phy_dev->bus, phy_dev->addr, MII_BMCR, BMCR_RESET);
do {
msleep(1);
@@ -591,7 +712,7 @@ static int smsc911x_phy_reset(struct smsc911x_data *pdata)
} while ((i--) && (temp & BMCR_RESET));
if (temp & BMCR_RESET) {
- SMSC_WARNING(HW, "PHY reset failed to complete.");
+ SMSC_WARN(pdata, hw, "PHY reset failed to complete");
return -EIO;
}
/* Extra delay required because the phy may not be completed with
@@ -695,11 +816,11 @@ static void smsc911x_phy_update_flowcontrol(struct smsc911x_data *pdata)
else
afc &= ~0xF;
- SMSC_TRACE(HW, "rx pause %s, tx pause %s",
- (cap & FLOW_CTRL_RX ? "enabled" : "disabled"),
- (cap & FLOW_CTRL_TX ? "enabled" : "disabled"));
+ SMSC_TRACE(pdata, hw, "rx pause %s, tx pause %s",
+ (cap & FLOW_CTRL_RX ? "enabled" : "disabled"),
+ (cap & FLOW_CTRL_TX ? "enabled" : "disabled"));
} else {
- SMSC_TRACE(HW, "half duplex");
+ SMSC_TRACE(pdata, hw, "half duplex");
flow = 0;
afc |= 0xF;
}
@@ -722,17 +843,17 @@ static void smsc911x_phy_adjust_link(struct net_device *dev)
if (phy_dev->duplex != pdata->last_duplex) {
unsigned int mac_cr;
- SMSC_TRACE(HW, "duplex state has changed");
+ SMSC_TRACE(pdata, hw, "duplex state has changed");
spin_lock_irqsave(&pdata->mac_lock, flags);
mac_cr = smsc911x_mac_read(pdata, MAC_CR);
if (phy_dev->duplex) {
- SMSC_TRACE(HW,
- "configuring for full duplex mode");
+ SMSC_TRACE(pdata, hw,
+ "configuring for full duplex mode");
mac_cr |= MAC_CR_FDPX_;
} else {
- SMSC_TRACE(HW,
- "configuring for half duplex mode");
+ SMSC_TRACE(pdata, hw,
+ "configuring for half duplex mode");
mac_cr &= ~MAC_CR_FDPX_;
}
smsc911x_mac_write(pdata, MAC_CR, mac_cr);
@@ -744,9 +865,9 @@ static void smsc911x_phy_adjust_link(struct net_device *dev)
carrier = netif_carrier_ok(dev);
if (carrier != pdata->last_carrier) {
- SMSC_TRACE(HW, "carrier state has changed");
+ SMSC_TRACE(pdata, hw, "carrier state has changed");
if (carrier) {
- SMSC_TRACE(HW, "configuring for carrier OK");
+ SMSC_TRACE(pdata, hw, "configuring for carrier OK");
if ((pdata->gpio_orig_setting & GPIO_CFG_LED1_EN_) &&
(!pdata->using_extphy)) {
/* Restore original GPIO configuration */
@@ -755,7 +876,7 @@ static void smsc911x_phy_adjust_link(struct net_device *dev)
pdata->gpio_setting);
}
} else {
- SMSC_TRACE(HW, "configuring for no carrier");
+ SMSC_TRACE(pdata, hw, "configuring for no carrier");
/* Check global setting that LED1
* usage is 10/100 indicator */
pdata->gpio_setting = smsc911x_reg_read(pdata,
@@ -787,25 +908,25 @@ static int smsc911x_mii_probe(struct net_device *dev)
/* find the first phy */
phydev = phy_find_first(pdata->mii_bus);
if (!phydev) {
- pr_err("%s: no PHY found\n", dev->name);
+ netdev_err(dev, "no PHY found\n");
return -ENODEV;
}
- SMSC_TRACE(PROBE, "PHY: addr %d, phy_id 0x%08X",
- phydev->addr, phydev->phy_id);
+ SMSC_TRACE(pdata, probe, "PHY: addr %d, phy_id 0x%08X",
+ phydev->addr, phydev->phy_id);
ret = phy_connect_direct(dev, phydev,
&smsc911x_phy_adjust_link, 0,
pdata->config.phy_interface);
if (ret) {
- pr_err("%s: Could not attach to PHY\n", dev->name);
+ netdev_err(dev, "Could not attach to PHY\n");
return ret;
}
- pr_info("%s: attached PHY driver [%s] (mii_bus:phy_addr=%s, irq=%d)\n",
- dev->name, phydev->drv->name,
- dev_name(&phydev->dev), phydev->irq);
+ netdev_info(dev,
+ "attached PHY driver [%s] (mii_bus:phy_addr=%s, irq=%d)\n",
+ phydev->drv->name, dev_name(&phydev->dev), phydev->irq);
/* mask with MAC supported features */
phydev->supported &= (PHY_BASIC_FEATURES | SUPPORTED_Pause |
@@ -818,13 +939,13 @@ static int smsc911x_mii_probe(struct net_device *dev)
#ifdef USE_PHY_WORK_AROUND
if (smsc911x_phy_loopbacktest(dev) < 0) {
- SMSC_WARNING(HW, "Failed Loop Back Test");
+ SMSC_WARN(pdata, hw, "Failed Loop Back Test");
return -ENODEV;
}
- SMSC_TRACE(HW, "Passed Loop Back Test");
+ SMSC_TRACE(pdata, hw, "Passed Loop Back Test");
#endif /* USE_PHY_WORK_AROUND */
- SMSC_TRACE(HW, "phy initialised successfully");
+ SMSC_TRACE(pdata, hw, "phy initialised successfully");
return 0;
}
@@ -860,8 +981,8 @@ static int __devinit smsc911x_mii_init(struct platform_device *pdev,
smsc911x_phy_initialise_external(pdata);
break;
default:
- SMSC_TRACE(HW, "External PHY is not supported, "
- "using internal PHY");
+ SMSC_TRACE(pdata, hw, "External PHY is not supported, "
+ "using internal PHY");
pdata->using_extphy = 0;
break;
}
@@ -872,12 +993,12 @@ static int __devinit smsc911x_mii_init(struct platform_device *pdev,
}
if (mdiobus_register(pdata->mii_bus)) {
- SMSC_WARNING(PROBE, "Error registering mii bus");
+ SMSC_WARN(pdata, probe, "Error registering mii bus");
goto err_out_free_bus_2;
}
if (smsc911x_mii_probe(dev) < 0) {
- SMSC_WARNING(PROBE, "Error registering mii bus");
+ SMSC_WARN(pdata, probe, "Error registering mii bus");
goto err_out_unregister_bus_3;
}
@@ -913,8 +1034,7 @@ static void smsc911x_tx_update_txcounters(struct net_device *dev)
* does not reference a hardware defined reserved bit
* but rather a driver defined one.
*/
- SMSC_WARNING(HW,
- "Packet tag reserved bit is high");
+ SMSC_WARN(pdata, hw, "Packet tag reserved bit is high");
} else {
if (unlikely(tx_stat & TX_STS_ES_)) {
dev->stats.tx_errors++;
@@ -977,8 +1097,8 @@ smsc911x_rx_fastforward(struct smsc911x_data *pdata, unsigned int pktbytes)
} while ((val & RX_DP_CTRL_RX_FFWD_) && --timeout);
if (unlikely(timeout == 0))
- SMSC_WARNING(HW, "Timed out waiting for "
- "RX FFWD to finish, RX_DP_CTRL: 0x%08X", val);
+ SMSC_WARN(pdata, hw, "Timed out waiting for "
+ "RX FFWD to finish, RX_DP_CTRL: 0x%08X", val);
} else {
unsigned int temp;
while (pktwords--)
@@ -1021,8 +1141,8 @@ static int smsc911x_poll(struct napi_struct *napi, int budget)
smsc911x_rx_counterrors(dev, rxstat);
if (unlikely(rxstat & RX_STS_ES_)) {
- SMSC_WARNING(RX_ERR,
- "Discarding packet with error bit set");
+ SMSC_WARN(pdata, rx_err,
+ "Discarding packet with error bit set");
/* Packet has an error, discard it and continue with
* the next */
smsc911x_rx_fastforward(pdata, pktwords);
@@ -1032,8 +1152,8 @@ static int smsc911x_poll(struct napi_struct *napi, int budget)
skb = netdev_alloc_skb(dev, pktlength + NET_IP_ALIGN);
if (unlikely(!skb)) {
- SMSC_WARNING(RX_ERR,
- "Unable to allocate skb for rx packet");
+ SMSC_WARN(pdata, rx_err,
+ "Unable to allocate skb for rx packet");
/* Drop the packet and stop this polling iteration */
smsc911x_rx_fastforward(pdata, pktwords);
dev->stats.rx_dropped++;
@@ -1046,8 +1166,8 @@ static int smsc911x_poll(struct napi_struct *napi, int budget)
/* Align IP on 16B boundary */
skb_reserve(skb, NET_IP_ALIGN);
skb_put(skb, pktlength - 4);
- smsc911x_rx_readfifo(pdata, (unsigned int *)skb->head,
- pktwords);
+ pdata->ops->rx_readfifo(pdata,
+ (unsigned int *)skb->head, pktwords);
skb->protocol = eth_type_trans(skb, dev);
skb_checksum_none_assert(skb);
netif_receive_skb(skb);
@@ -1083,8 +1203,8 @@ static void smsc911x_rx_multicast_update(struct smsc911x_data *pdata)
smsc911x_mac_write(pdata, MAC_CR, mac_cr);
smsc911x_mac_write(pdata, HASHH, pdata->hashhi);
smsc911x_mac_write(pdata, HASHL, pdata->hashlo);
- SMSC_TRACE(HW, "maccr 0x%08X, HASHH 0x%08X, HASHL 0x%08X",
- mac_cr, pdata->hashhi, pdata->hashlo);
+ SMSC_TRACE(pdata, hw, "maccr 0x%08X, HASHH 0x%08X, HASHL 0x%08X",
+ mac_cr, pdata->hashhi, pdata->hashlo);
}
static void smsc911x_rx_multicast_update_workaround(struct smsc911x_data *pdata)
@@ -1102,7 +1222,7 @@ static void smsc911x_rx_multicast_update_workaround(struct smsc911x_data *pdata)
/* Check Rx has stopped */
if (smsc911x_mac_read(pdata, MAC_CR) & MAC_CR_RXEN_)
- SMSC_WARNING(DRV, "Rx not stopped");
+ SMSC_WARN(pdata, drv, "Rx not stopped");
/* Perform the update - safe to do now Rx has stopped */
smsc911x_rx_multicast_update(pdata);
@@ -1131,7 +1251,7 @@ static int smsc911x_soft_reset(struct smsc911x_data *pdata)
} while ((--timeout) && (temp & HW_CFG_SRST_));
if (unlikely(temp & HW_CFG_SRST_)) {
- SMSC_WARNING(DRV, "Failed to complete reset");
+ SMSC_WARN(pdata, drv, "Failed to complete reset");
return -EIO;
}
return 0;
@@ -1160,18 +1280,18 @@ static int smsc911x_open(struct net_device *dev)
/* if the phy is not yet registered, retry later*/
if (!pdata->phy_dev) {
- SMSC_WARNING(HW, "phy_dev is NULL");
+ SMSC_WARN(pdata, hw, "phy_dev is NULL");
return -EAGAIN;
}
if (!is_valid_ether_addr(dev->dev_addr)) {
- SMSC_WARNING(HW, "dev_addr is not a valid MAC address");
+ SMSC_WARN(pdata, hw, "dev_addr is not a valid MAC address");
return -EADDRNOTAVAIL;
}
/* Reset the LAN911x */
if (smsc911x_soft_reset(pdata)) {
- SMSC_WARNING(HW, "soft reset failed");
+ SMSC_WARN(pdata, hw, "soft reset failed");
return -EIO;
}
@@ -1191,8 +1311,8 @@ static int smsc911x_open(struct net_device *dev)
}
if (unlikely(timeout == 0))
- SMSC_WARNING(IFUP,
- "Timed out waiting for EEPROM busy bit to clear");
+ SMSC_WARN(pdata, ifup,
+ "Timed out waiting for EEPROM busy bit to clear");
smsc911x_reg_write(pdata, GPIO_CFG, 0x70070000);
@@ -1210,22 +1330,22 @@ static int smsc911x_open(struct net_device *dev)
intcfg = ((10 << 24) | INT_CFG_IRQ_EN_);
if (pdata->config.irq_polarity) {
- SMSC_TRACE(IFUP, "irq polarity: active high");
+ SMSC_TRACE(pdata, ifup, "irq polarity: active high");
intcfg |= INT_CFG_IRQ_POL_;
} else {
- SMSC_TRACE(IFUP, "irq polarity: active low");
+ SMSC_TRACE(pdata, ifup, "irq polarity: active low");
}
if (pdata->config.irq_type) {
- SMSC_TRACE(IFUP, "irq type: push-pull");
+ SMSC_TRACE(pdata, ifup, "irq type: push-pull");
intcfg |= INT_CFG_IRQ_TYPE_;
} else {
- SMSC_TRACE(IFUP, "irq type: open drain");
+ SMSC_TRACE(pdata, ifup, "irq type: open drain");
}
smsc911x_reg_write(pdata, INT_CFG, intcfg);
- SMSC_TRACE(IFUP, "Testing irq handler using IRQ %d", dev->irq);
+ SMSC_TRACE(pdata, ifup, "Testing irq handler using IRQ %d", dev->irq);
pdata->software_irq_signal = 0;
smp_wmb();
@@ -1241,14 +1361,15 @@ static int smsc911x_open(struct net_device *dev)
}
if (!pdata->software_irq_signal) {
- dev_warn(&dev->dev, "ISR failed signaling test (IRQ %d)\n",
- dev->irq);
+ netdev_warn(dev, "ISR failed signaling test (IRQ %d)\n",
+ dev->irq);
return -ENODEV;
}
- SMSC_TRACE(IFUP, "IRQ handler passed test using IRQ %d", dev->irq);
+ SMSC_TRACE(pdata, ifup, "IRQ handler passed test using IRQ %d",
+ dev->irq);
- dev_info(&dev->dev, "SMSC911x/921x identified at %#08lx, IRQ: %d\n",
- (unsigned long)pdata->ioaddr, dev->irq);
+ netdev_info(dev, "SMSC911x/921x identified at %#08lx, IRQ: %d\n",
+ (unsigned long)pdata->ioaddr, dev->irq);
/* Reset the last known duplex and carrier */
pdata->last_duplex = -1;
@@ -1313,7 +1434,7 @@ static int smsc911x_stop(struct net_device *dev)
if (pdata->phy_dev)
phy_stop(pdata->phy_dev);
- SMSC_TRACE(IFDOWN, "Interface stopped");
+ SMSC_TRACE(pdata, ifdown, "Interface stopped");
return 0;
}
@@ -1331,8 +1452,8 @@ static int smsc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
freespace = smsc911x_reg_read(pdata, TX_FIFO_INF) & TX_FIFO_INF_TDFREE_;
if (unlikely(freespace < TX_FIFO_LOW_THRESHOLD))
- SMSC_WARNING(TX_ERR,
- "Tx data fifo low, space available: %d", freespace);
+ SMSC_WARN(pdata, tx_err,
+ "Tx data fifo low, space available: %d", freespace);
/* Word alignment adjustment */
tx_cmd_a = (u32)((ulong)skb->data & 0x03) << 16;
@@ -1350,7 +1471,7 @@ static int smsc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
wrsz += (u32)((ulong)skb->data & 0x3);
wrsz >>= 2;
- smsc911x_tx_writefifo(pdata, (unsigned int *)bufp, wrsz);
+ pdata->ops->tx_writefifo(pdata, (unsigned int *)bufp, wrsz);
freespace -= (skb->len + 32);
dev_kfree_skb(skb);
@@ -1432,7 +1553,7 @@ static void smsc911x_set_multicast_list(struct net_device *dev)
* receiving data */
if (!pdata->multicast_update_pending) {
unsigned int temp;
- SMSC_TRACE(HW, "scheduling mcast update");
+ SMSC_TRACE(pdata, hw, "scheduling mcast update");
pdata->multicast_update_pending = 1;
/* Request the hardware to stop, then perform the
@@ -1474,7 +1595,7 @@ static irqreturn_t smsc911x_irqhandler(int irq, void *dev_id)
if (unlikely(intsts & inten & INT_STS_RXSTOP_INT_)) {
/* Called when there is a multicast update scheduled and
* it is now safe to complete the update */
- SMSC_TRACE(INTR, "RX Stop interrupt");
+ SMSC_TRACE(pdata, intr, "RX Stop interrupt");
smsc911x_reg_write(pdata, INT_STS, INT_STS_RXSTOP_INT_);
if (pdata->multicast_update_pending)
smsc911x_rx_multicast_update_workaround(pdata);
@@ -1491,7 +1612,7 @@ static irqreturn_t smsc911x_irqhandler(int irq, void *dev_id)
}
if (unlikely(intsts & inten & INT_STS_RXE_)) {
- SMSC_TRACE(INTR, "RX Error interrupt");
+ SMSC_TRACE(pdata, intr, "RX Error interrupt");
smsc911x_reg_write(pdata, INT_STS, INT_STS_RXE_);
serviced = IRQ_HANDLED;
}
@@ -1505,8 +1626,7 @@ static irqreturn_t smsc911x_irqhandler(int irq, void *dev_id)
/* Schedule a NAPI poll */
__napi_schedule(&pdata->napi);
} else {
- SMSC_WARNING(RX_ERR,
- "napi_schedule_prep failed");
+ SMSC_WARN(pdata, rx_err, "napi_schedule_prep failed");
}
serviced = IRQ_HANDLED;
}
@@ -1543,7 +1663,7 @@ static int smsc911x_set_mac_address(struct net_device *dev, void *p)
smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
spin_unlock_irq(&pdata->mac_lock);
- dev_info(&dev->dev, "MAC Address: %pM\n", dev->dev_addr);
+ netdev_info(dev, "MAC Address: %pM\n", dev->dev_addr);
return 0;
}
@@ -1649,9 +1769,9 @@ static int smsc911x_eeprom_send_cmd(struct smsc911x_data *pdata, u32 op)
int timeout = 100;
u32 e2cmd;
- SMSC_TRACE(DRV, "op 0x%08x", op);
+ SMSC_TRACE(pdata, drv, "op 0x%08x", op);
if (smsc911x_reg_read(pdata, E2P_CMD) & E2P_CMD_EPC_BUSY_) {
- SMSC_WARNING(DRV, "Busy at start");
+ SMSC_WARN(pdata, drv, "Busy at start");
return -EBUSY;
}
@@ -1664,12 +1784,12 @@ static int smsc911x_eeprom_send_cmd(struct smsc911x_data *pdata, u32 op)
} while ((e2cmd & E2P_CMD_EPC_BUSY_) && (--timeout));
if (!timeout) {
- SMSC_TRACE(DRV, "TIMED OUT");
+ SMSC_TRACE(pdata, drv, "TIMED OUT");
return -EAGAIN;
}
if (e2cmd & E2P_CMD_EPC_TIMEOUT_) {
- SMSC_TRACE(DRV, "Error occurred during eeprom operation");
+ SMSC_TRACE(pdata, drv, "Error occurred during eeprom operation");
return -EINVAL;
}
@@ -1682,7 +1802,7 @@ static int smsc911x_eeprom_read_location(struct smsc911x_data *pdata,
u32 op = E2P_CMD_EPC_CMD_READ_ | address;
int ret;
- SMSC_TRACE(DRV, "address 0x%x", address);
+ SMSC_TRACE(pdata, drv, "address 0x%x", address);
ret = smsc911x_eeprom_send_cmd(pdata, op);
if (!ret)
@@ -1698,7 +1818,7 @@ static int smsc911x_eeprom_write_location(struct smsc911x_data *pdata,
u32 temp;
int ret;
- SMSC_TRACE(DRV, "address 0x%x, data 0x%x", address, data);
+ SMSC_TRACE(pdata, drv, "address 0x%x, data 0x%x", address, data);
ret = smsc911x_eeprom_send_cmd(pdata, op);
if (!ret) {
@@ -1811,26 +1931,26 @@ static int __devinit smsc911x_init(struct net_device *dev)
struct smsc911x_data *pdata = netdev_priv(dev);
unsigned int byte_test;
- SMSC_TRACE(PROBE, "Driver Parameters:");
- SMSC_TRACE(PROBE, "LAN base: 0x%08lX",
- (unsigned long)pdata->ioaddr);
- SMSC_TRACE(PROBE, "IRQ: %d", dev->irq);
- SMSC_TRACE(PROBE, "PHY will be autodetected.");
+ SMSC_TRACE(pdata, probe, "Driver Parameters:");
+ SMSC_TRACE(pdata, probe, "LAN base: 0x%08lX",
+ (unsigned long)pdata->ioaddr);
+ SMSC_TRACE(pdata, probe, "IRQ: %d", dev->irq);
+ SMSC_TRACE(pdata, probe, "PHY will be autodetected.");
spin_lock_init(&pdata->dev_lock);
spin_lock_init(&pdata->mac_lock);
if (pdata->ioaddr == 0) {
- SMSC_WARNING(PROBE, "pdata->ioaddr: 0x00000000");
+ SMSC_WARN(pdata, probe, "pdata->ioaddr: 0x00000000");
return -ENODEV;
}
/* Check byte ordering */
byte_test = smsc911x_reg_read(pdata, BYTE_TEST);
- SMSC_TRACE(PROBE, "BYTE_TEST: 0x%08X", byte_test);
+ SMSC_TRACE(pdata, probe, "BYTE_TEST: 0x%08X", byte_test);
if (byte_test == 0x43218765) {
- SMSC_TRACE(PROBE, "BYTE_TEST looks swapped, "
- "applying WORD_SWAP");
+ SMSC_TRACE(pdata, probe, "BYTE_TEST looks swapped, "
+ "applying WORD_SWAP");
smsc911x_reg_write(pdata, WORD_SWAP, 0xffffffff);
/* 1 dummy read of BYTE_TEST is needed after a write to
@@ -1841,12 +1961,13 @@ static int __devinit smsc911x_init(struct net_device *dev)
}
if (byte_test != 0x87654321) {
- SMSC_WARNING(DRV, "BYTE_TEST: 0x%08X", byte_test);
+ SMSC_WARN(pdata, drv, "BYTE_TEST: 0x%08X", byte_test);
if (((byte_test >> 16) & 0xFFFF) == (byte_test & 0xFFFF)) {
- SMSC_WARNING(PROBE,
- "top 16 bits equal to bottom 16 bits");
- SMSC_TRACE(PROBE, "This may mean the chip is set "
- "for 32 bit while the bus is reading 16 bit");
+ SMSC_WARN(pdata, probe,
+ "top 16 bits equal to bottom 16 bits");
+ SMSC_TRACE(pdata, probe,
+ "This may mean the chip is set "
+ "for 32 bit while the bus is reading 16 bit");
}
return -ENODEV;
}
@@ -1881,17 +2002,18 @@ static int __devinit smsc911x_init(struct net_device *dev)
break;
default:
- SMSC_WARNING(PROBE, "LAN911x not identified, idrev: 0x%08X",
- pdata->idrev);
+ SMSC_WARN(pdata, probe, "LAN911x not identified, idrev: 0x%08X",
+ pdata->idrev);
return -ENODEV;
}
- SMSC_TRACE(PROBE, "LAN911x identified, idrev: 0x%08X, generation: %d",
- pdata->idrev, pdata->generation);
+ SMSC_TRACE(pdata, probe,
+ "LAN911x identified, idrev: 0x%08X, generation: %d",
+ pdata->idrev, pdata->generation);
if (pdata->generation == 0)
- SMSC_WARNING(PROBE,
- "This driver is not intended for this chip revision");
+ SMSC_WARN(pdata, probe,
+ "This driver is not intended for this chip revision");
/* workaround for platforms without an eeprom, where the mac address
* is stored elsewhere and set by the bootloader. This saves the
@@ -1931,7 +2053,7 @@ static int __devexit smsc911x_drv_remove(struct platform_device *pdev)
BUG_ON(!pdata->ioaddr);
BUG_ON(!pdata->phy_dev);
- SMSC_TRACE(IFDOWN, "Stopping driver.");
+ SMSC_TRACE(pdata, ifdown, "Stopping driver");
phy_disconnect(pdata->phy_dev);
pdata->phy_dev = NULL;
@@ -1955,6 +2077,22 @@ static int __devexit smsc911x_drv_remove(struct platform_device *pdev)
return 0;
}
+/* standard register acces */
+static const struct smsc911x_ops standard_smsc911x_ops = {
+ .reg_read = __smsc911x_reg_read,
+ .reg_write = __smsc911x_reg_write,
+ .rx_readfifo = smsc911x_rx_readfifo,
+ .tx_writefifo = smsc911x_tx_writefifo,
+};
+
+/* shifted register access */
+static const struct smsc911x_ops shifted_smsc911x_ops = {
+ .reg_read = __smsc911x_reg_read_shift,
+ .reg_write = __smsc911x_reg_write_shift,
+ .rx_readfifo = smsc911x_rx_readfifo_shift,
+ .tx_writefifo = smsc911x_tx_writefifo_shift,
+};
+
static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
{
struct net_device *dev;
@@ -1965,11 +2103,11 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
int res_size, irq_flags;
int retval;
- pr_info("%s: Driver version %s.\n", SMSC_CHIPNAME, SMSC_DRV_VERSION);
+ pr_info("Driver version %s\n", SMSC_DRV_VERSION);
/* platform data specifies irq & dynamic bus configuration */
if (!pdev->dev.platform_data) {
- pr_warning("%s: platform_data not provided\n", SMSC_CHIPNAME);
+ pr_warn("platform_data not provided\n");
retval = -ENODEV;
goto out_0;
}
@@ -1979,8 +2117,7 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
if (!res)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
- pr_warning("%s: Could not allocate resource.\n",
- SMSC_CHIPNAME);
+ pr_warn("Could not allocate resource\n");
retval = -ENODEV;
goto out_0;
}
@@ -1988,8 +2125,7 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!irq_res) {
- pr_warning("%s: Could not allocate irq resource.\n",
- SMSC_CHIPNAME);
+ pr_warn("Could not allocate irq resource\n");
retval = -ENODEV;
goto out_0;
}
@@ -2001,7 +2137,7 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
dev = alloc_etherdev(sizeof(struct smsc911x_data));
if (!dev) {
- pr_warning("%s: Could not allocate device.\n", SMSC_CHIPNAME);
+ pr_warn("Could not allocate device\n");
retval = -ENOMEM;
goto out_release_io_1;
}
@@ -2021,12 +2157,17 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
pdata->msg_enable = ((1 << debug) - 1);
if (pdata->ioaddr == NULL) {
- SMSC_WARNING(PROBE,
- "Error smsc911x base address invalid");
+ SMSC_WARN(pdata, probe, "Error smsc911x base address invalid");
retval = -ENOMEM;
goto out_free_netdev_2;
}
+ /* assume standard, non-shifted, access to HW registers */
+ pdata->ops = &standard_smsc911x_ops;
+ /* apply the right access if shifting is needed */
+ if (config->shift)
+ pdata->ops = &shifted_smsc911x_ops;
+
retval = smsc911x_init(dev);
if (retval < 0)
goto out_unmap_io_3;
@@ -2047,8 +2188,8 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
retval = request_irq(dev->irq, smsc911x_irqhandler,
irq_flags | IRQF_SHARED, dev->name, dev);
if (retval) {
- SMSC_WARNING(PROBE,
- "Unable to claim requested irq: %d", dev->irq);
+ SMSC_WARN(pdata, probe,
+ "Unable to claim requested irq: %d", dev->irq);
goto out_unmap_io_3;
}
@@ -2056,17 +2197,16 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
retval = register_netdev(dev);
if (retval) {
- SMSC_WARNING(PROBE,
- "Error %i registering device", retval);
+ SMSC_WARN(pdata, probe, "Error %i registering device", retval);
goto out_unset_drvdata_4;
} else {
- SMSC_TRACE(PROBE, "Network interface: \"%s\"", dev->name);
+ SMSC_TRACE(pdata, probe,
+ "Network interface: \"%s\"", dev->name);
}
retval = smsc911x_mii_init(pdev, dev);
if (retval) {
- SMSC_WARNING(PROBE,
- "Error %i initialising mii", retval);
+ SMSC_WARN(pdata, probe, "Error %i initialising mii", retval);
goto out_unregister_netdev_5;
}
@@ -2075,10 +2215,12 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
/* Check if mac address has been specified when bringing interface up */
if (is_valid_ether_addr(dev->dev_addr)) {
smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
- SMSC_TRACE(PROBE, "MAC Address is specified by configuration");
+ SMSC_TRACE(pdata, probe,
+ "MAC Address is specified by configuration");
} else if (is_valid_ether_addr(pdata->config.mac)) {
memcpy(dev->dev_addr, pdata->config.mac, 6);
- SMSC_TRACE(PROBE, "MAC Address specified by platform data");
+ SMSC_TRACE(pdata, probe,
+ "MAC Address specified by platform data");
} else {
/* Try reading mac address from device. if EEPROM is present
* it will already have been set */
@@ -2086,20 +2228,20 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
if (is_valid_ether_addr(dev->dev_addr)) {
/* eeprom values are valid so use them */
- SMSC_TRACE(PROBE,
- "Mac Address is read from LAN911x EEPROM");
+ SMSC_TRACE(pdata, probe,
+ "Mac Address is read from LAN911x EEPROM");
} else {
/* eeprom values are invalid, generate random MAC */
random_ether_addr(dev->dev_addr);
smsc911x_set_hw_mac_address(pdata, dev->dev_addr);
- SMSC_TRACE(PROBE,
- "MAC Address is set to random_ether_addr");
+ SMSC_TRACE(pdata, probe,
+ "MAC Address is set to random_ether_addr");
}
}
spin_unlock_irq(&pdata->mac_lock);
- dev_info(&dev->dev, "MAC Address: %pM\n", dev->dev_addr);
+ netdev_info(dev, "MAC Address: %pM\n", dev->dev_addr);
return 0;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.