* controller out there can be most efficiently programmed
* if you make it look like a LANCE.
*
- * Copyright (C) 1996, 1999, 2003, 2006 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1996, 1999, 2003, 2006, 2008 David S. Miller (davem@davemloft.net)
*/
#include <linux/module.h>
#include <linux/skbuff.h>
#include <linux/ethtool.h>
#include <linux/bitops.h>
+#include <linux/dma-mapping.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <asm/system.h>
#include <asm/io.h>
#include <asm/dma.h>
#include <asm/byteorder.h>
#include <asm/idprom.h>
-#include <asm/sbus.h>
#include <asm/openprom.h>
#include <asm/oplib.h>
#include <asm/auxio.h>
#include "sunqe.h"
#define DRV_NAME "sunqe"
-#define DRV_VERSION "4.0"
-#define DRV_RELDATE "June 23, 2006"
+#define DRV_VERSION "4.1"
+#define DRV_RELDATE "August 27, 2008"
#define DRV_AUTHOR "David S. Miller (davem@davemloft.net)"
static char version[] =
if (!(sbus_readb(mregs + MREGS_PHYCONFIG) & MREGS_PHYCONFIG_LTESTDIS)) {
int tries = 50;
- while (tries--) {
+ while (--tries) {
u8 tmp;
mdelay(5);
len);
skb->protocol = eth_type_trans(skb, qep->dev);
netif_rx(skb);
- qep->dev->last_rx = jiffies;
dev->stats.rx_packets++;
dev->stats.rx_bytes += len;
}
static int qe_open(struct net_device *dev)
{
- struct sunqe *qep = (struct sunqe *) dev->priv;
+ struct sunqe *qep = netdev_priv(dev);
qep->mconfig = (MREGS_MCONFIG_TXENAB |
MREGS_MCONFIG_RXENAB |
static int qe_close(struct net_device *dev)
{
- struct sunqe *qep = (struct sunqe *) dev->priv;
+ struct sunqe *qep = netdev_priv(dev);
qe_stop(qep);
return 0;
static void qe_tx_timeout(struct net_device *dev)
{
- struct sunqe *qep = (struct sunqe *) dev->priv;
+ struct sunqe *qep = netdev_priv(dev);
int tx_full;
spin_lock_irq(&qep->lock);
/* Get a packet queued to go onto the wire. */
static int qe_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
- struct sunqe *qep = (struct sunqe *) dev->priv;
+ struct sunqe *qep = netdev_priv(dev);
struct sunqe_buffers *qbufs = qep->buffers;
__u32 txbuf_dvma, qbufs_dvma = qep->buffers_dvma;
unsigned char *txbuf;
qep->tx_new = NEXT_TX(entry);
/* Get it going. */
- dev->trans_start = jiffies;
sbus_writel(CREG_CTRL_TWAKEUP, qep->qcregs + CREG_CTRL);
dev->stats.tx_packets++;
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
static void qe_set_multicast(struct net_device *dev)
{
- struct sunqe *qep = (struct sunqe *) dev->priv;
- struct dev_mc_list *dmi = dev->mc_list;
+ struct sunqe *qep = netdev_priv(dev);
+ struct netdev_hw_addr *ha;
u8 new_mconfig = qep->mconfig;
char *addrs;
int i;
/* Lock out others. */
netif_stop_queue(dev);
- if ((dev->flags & IFF_ALLMULTI) || (dev->mc_count > 64)) {
+ if ((dev->flags & IFF_ALLMULTI) || (netdev_mc_count(dev) > 64)) {
sbus_writeb(MREGS_IACONFIG_ACHNGE | MREGS_IACONFIG_LARESET,
qep->mregs + MREGS_IACONFIG);
while ((sbus_readb(qep->mregs + MREGS_IACONFIG) & MREGS_IACONFIG_ACHNGE) != 0)
u16 hash_table[4];
u8 *hbytes = (unsigned char *) &hash_table[0];
- for (i = 0; i < 4; i++)
- hash_table[i] = 0;
-
- for (i = 0; i < dev->mc_count; i++) {
- addrs = dmi->dmi_addr;
- dmi = dmi->next;
+ memset(hash_table, 0, sizeof(hash_table));
+ netdev_for_each_mc_addr(ha, dev) {
+ addrs = ha->addr;
if (!(*addrs & 1))
continue;
/* Ethtool support... */
static void qe_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
- struct sunqe *qep = dev->priv;
+ const struct linux_prom_registers *regs;
+ struct sunqe *qep = netdev_priv(dev);
+ struct of_device *op;
strcpy(info->driver, "sunqe");
strcpy(info->version, "3.0");
- sprintf(info->bus_info, "SBUS:%d",
- qep->qe_sdev->slot);
+
+ op = qep->op;
+ regs = of_get_property(op->node, "reg", NULL);
+ if (regs)
+ sprintf(info->bus_info, "SBUS:%d", regs->which_io);
+
}
static u32 qe_get_link(struct net_device *dev)
{
- struct sunqe *qep = dev->priv;
+ struct sunqe *qep = netdev_priv(dev);
void __iomem *mregs = qep->mregs;
u8 phyconfig;
};
/* This is only called once at boot time for each card probed. */
-static inline void qec_init_once(struct sunqec *qecp, struct sbus_dev *qsdev)
+static void qec_init_once(struct sunqec *qecp, struct of_device *op)
{
u8 bsizes = qecp->qec_bursts;
- if (sbus_can_burst64(qsdev) && (bsizes & DMA_BURST64)) {
+ if (sbus_can_burst64() && (bsizes & DMA_BURST64)) {
sbus_writel(GLOB_CTRL_B64, qecp->gregs + GLOB_CTRL);
} else if (bsizes & DMA_BURST32) {
sbus_writel(GLOB_CTRL_B32, qecp->gregs + GLOB_CTRL);
sbus_writel(GLOB_PSIZE_2048, qecp->gregs + GLOB_PSIZE);
/* Set the local memsize register, divided up to one piece per QE channel. */
- sbus_writel((qsdev->reg_addrs[1].reg_size >> 2),
+ sbus_writel((resource_size(&op->resource[1]) >> 2),
qecp->gregs + GLOB_MSIZE);
/* Divide up the local QEC memory amongst the 4 QE receiver and
* transmitter FIFOs. Basically it is (total / 2 / num_channels).
*/
- sbus_writel((qsdev->reg_addrs[1].reg_size >> 2) >> 1,
+ sbus_writel((resource_size(&op->resource[1]) >> 2) >> 1,
qecp->gregs + GLOB_TSIZE);
- sbus_writel((qsdev->reg_addrs[1].reg_size >> 2) >> 1,
+ sbus_writel((resource_size(&op->resource[1]) >> 2) >> 1,
qecp->gregs + GLOB_RSIZE);
}
return bsizes;
}
-static struct sunqec * __devinit get_qec(struct sbus_dev *child_sdev)
+static struct sunqec * __devinit get_qec(struct of_device *child)
{
- struct sbus_dev *qec_sdev = child_sdev->parent;
+ struct of_device *op = to_of_device(child->dev.parent);
struct sunqec *qecp;
- for (qecp = root_qec_dev; qecp; qecp = qecp->next_module) {
- if (qecp->qec_sdev == qec_sdev)
- break;
- }
+ qecp = dev_get_drvdata(&op->dev);
if (!qecp) {
qecp = kzalloc(sizeof(struct sunqec), GFP_KERNEL);
if (qecp) {
u32 ctrl;
- qecp->qec_sdev = qec_sdev;
- qecp->gregs = sbus_ioremap(&qec_sdev->resource[0], 0,
- GLOB_REG_SIZE,
- "QEC Global Registers");
+ qecp->op = op;
+ qecp->gregs = of_ioremap(&op->resource[0], 0,
+ GLOB_REG_SIZE,
+ "QEC Global Registers");
if (!qecp->gregs)
goto fail;
if (qec_global_reset(qecp->gregs))
goto fail;
- qecp->qec_bursts = qec_get_burst(qec_sdev->ofdev.node);
+ qecp->qec_bursts = qec_get_burst(op->node);
- qec_init_once(qecp, qec_sdev);
+ qec_init_once(qecp, op);
- if (request_irq(qec_sdev->irqs[0], &qec_interrupt,
+ if (request_irq(op->irqs[0], qec_interrupt,
IRQF_SHARED, "qec", (void *) qecp)) {
printk(KERN_ERR "qec: Can't register irq.\n");
goto fail;
}
+ dev_set_drvdata(&op->dev, qecp);
+
qecp->next_module = root_qec_dev;
root_qec_dev = qecp;
}
fail:
if (qecp->gregs)
- sbus_iounmap(qecp->gregs, GLOB_REG_SIZE);
+ of_iounmap(&op->resource[0], qecp->gregs, GLOB_REG_SIZE);
kfree(qecp);
return NULL;
}
-static int __devinit qec_ether_init(struct sbus_dev *sdev)
+static const struct net_device_ops qec_ops = {
+ .ndo_open = qe_open,
+ .ndo_stop = qe_close,
+ .ndo_start_xmit = qe_start_xmit,
+ .ndo_set_multicast_list = qe_set_multicast,
+ .ndo_tx_timeout = qe_tx_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
+static int __devinit qec_ether_init(struct of_device *op)
{
static unsigned version_printed;
struct net_device *dev;
- struct sunqe *qe;
struct sunqec *qecp;
+ struct sunqe *qe;
int i, res;
if (version_printed++ == 0)
qe = netdev_priv(dev);
- i = of_getintprop_default(sdev->ofdev.node, "channel#", -1);
- if (i == -1) {
- struct sbus_dev *td = sdev->parent->child;
- i = 0;
- while (td != sdev) {
- td = td->next;
- i++;
- }
- }
+ res = -ENODEV;
+
+ i = of_getintprop_default(op->node, "channel#", -1);
+ if (i == -1)
+ goto fail;
qe->channel = i;
spin_lock_init(&qe->lock);
- res = -ENODEV;
- qecp = get_qec(sdev);
+ qecp = get_qec(op);
if (!qecp)
goto fail;
qecp->qes[qe->channel] = qe;
qe->dev = dev;
qe->parent = qecp;
- qe->qe_sdev = sdev;
+ qe->op = op;
res = -ENOMEM;
- qe->qcregs = sbus_ioremap(&qe->qe_sdev->resource[0], 0,
- CREG_REG_SIZE, "QEC Channel Registers");
+ qe->qcregs = of_ioremap(&op->resource[0], 0,
+ CREG_REG_SIZE, "QEC Channel Registers");
if (!qe->qcregs) {
printk(KERN_ERR "qe: Cannot map channel registers.\n");
goto fail;
}
- qe->mregs = sbus_ioremap(&qe->qe_sdev->resource[1], 0,
- MREGS_REG_SIZE, "QE MACE Registers");
+ qe->mregs = of_ioremap(&op->resource[1], 0,
+ MREGS_REG_SIZE, "QE MACE Registers");
if (!qe->mregs) {
printk(KERN_ERR "qe: Cannot map MACE registers.\n");
goto fail;
}
- qe->qe_block = sbus_alloc_consistent(qe->qe_sdev,
- PAGE_SIZE,
- &qe->qblock_dvma);
- qe->buffers = sbus_alloc_consistent(qe->qe_sdev,
- sizeof(struct sunqe_buffers),
- &qe->buffers_dvma);
+ qe->qe_block = dma_alloc_coherent(&op->dev, PAGE_SIZE,
+ &qe->qblock_dvma, GFP_ATOMIC);
+ qe->buffers = dma_alloc_coherent(&op->dev, sizeof(struct sunqe_buffers),
+ &qe->buffers_dvma, GFP_ATOMIC);
if (qe->qe_block == NULL || qe->qblock_dvma == 0 ||
qe->buffers == NULL || qe->buffers_dvma == 0)
goto fail;
/* Stop this QE. */
qe_stop(qe);
- SET_NETDEV_DEV(dev, &sdev->ofdev.dev);
+ SET_NETDEV_DEV(dev, &op->dev);
- dev->open = qe_open;
- dev->stop = qe_close;
- dev->hard_start_xmit = qe_start_xmit;
- dev->set_multicast_list = qe_set_multicast;
- dev->tx_timeout = qe_tx_timeout;
dev->watchdog_timeo = 5*HZ;
- dev->irq = sdev->irqs[0];
+ dev->irq = op->irqs[0];
dev->dma = 0;
dev->ethtool_ops = &qe_ethtool_ops;
+ dev->netdev_ops = &qec_ops;
res = register_netdev(dev);
if (res)
goto fail;
- dev_set_drvdata(&sdev->ofdev.dev, qe);
+ dev_set_drvdata(&op->dev, qe);
printk(KERN_INFO "%s: qe channel[%d] ", dev->name, qe->channel);
for (i = 0; i < 6; i++)
fail:
if (qe->qcregs)
- sbus_iounmap(qe->qcregs, CREG_REG_SIZE);
+ of_iounmap(&op->resource[0], qe->qcregs, CREG_REG_SIZE);
if (qe->mregs)
- sbus_iounmap(qe->mregs, MREGS_REG_SIZE);
+ of_iounmap(&op->resource[1], qe->mregs, MREGS_REG_SIZE);
if (qe->qe_block)
- sbus_free_consistent(qe->qe_sdev,
- PAGE_SIZE,
- qe->qe_block,
- qe->qblock_dvma);
+ dma_free_coherent(&op->dev, PAGE_SIZE,
+ qe->qe_block, qe->qblock_dvma);
if (qe->buffers)
- sbus_free_consistent(qe->qe_sdev,
- sizeof(struct sunqe_buffers),
- qe->buffers,
- qe->buffers_dvma);
+ dma_free_coherent(&op->dev,
+ sizeof(struct sunqe_buffers),
+ qe->buffers,
+ qe->buffers_dvma);
free_netdev(dev);
return res;
}
-static int __devinit qec_sbus_probe(struct of_device *dev, const struct of_device_id *match)
+static int __devinit qec_sbus_probe(struct of_device *op, const struct of_device_id *match)
{
- struct sbus_dev *sdev = to_sbus_device(&dev->dev);
-
- return qec_ether_init(sdev);
+ return qec_ether_init(op);
}
-static int __devexit qec_sbus_remove(struct of_device *dev)
+static int __devexit qec_sbus_remove(struct of_device *op)
{
- struct sunqe *qp = dev_get_drvdata(&dev->dev);
+ struct sunqe *qp = dev_get_drvdata(&op->dev);
struct net_device *net_dev = qp->dev;
unregister_netdev(net_dev);
- sbus_iounmap(qp->qcregs, CREG_REG_SIZE);
- sbus_iounmap(qp->mregs, MREGS_REG_SIZE);
- sbus_free_consistent(qp->qe_sdev,
- PAGE_SIZE,
- qp->qe_block,
- qp->qblock_dvma);
- sbus_free_consistent(qp->qe_sdev,
- sizeof(struct sunqe_buffers),
- qp->buffers,
- qp->buffers_dvma);
+ of_iounmap(&op->resource[0], qp->qcregs, CREG_REG_SIZE);
+ of_iounmap(&op->resource[1], qp->mregs, MREGS_REG_SIZE);
+ dma_free_coherent(&op->dev, PAGE_SIZE,
+ qp->qe_block, qp->qblock_dvma);
+ dma_free_coherent(&op->dev, sizeof(struct sunqe_buffers),
+ qp->buffers, qp->buffers_dvma);
free_netdev(net_dev);
- dev_set_drvdata(&dev->dev, NULL);
+ dev_set_drvdata(&op->dev, NULL);
return 0;
}
-static struct of_device_id qec_sbus_match[] = {
+static const struct of_device_id qec_sbus_match[] = {
{
.name = "qe",
},
static int __init qec_init(void)
{
- return of_register_driver(&qec_sbus_driver, &sbus_bus_type);
+ return of_register_driver(&qec_sbus_driver, &of_bus_type);
}
static void __exit qec_exit(void)
while (root_qec_dev) {
struct sunqec *next = root_qec_dev->next_module;
+ struct of_device *op = root_qec_dev->op;
- free_irq(root_qec_dev->qec_sdev->irqs[0],
- (void *) root_qec_dev);
- sbus_iounmap(root_qec_dev->gregs, GLOB_REG_SIZE);
-
+ free_irq(op->irqs[0], (void *) root_qec_dev);
+ of_iounmap(&op->resource[0], root_qec_dev->gregs,
+ GLOB_REG_SIZE);
kfree(root_qec_dev);
root_qec_dev = next;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff