#include <linux/etherdevice.h>
#include <linux/init.h>
#include <linux/skbuff.h>
-#include <linux/version.h>
#include <linux/spinlock.h>
#include <linux/crc32.h>
#include <linux/mii.h>
#include <linux/dm9000.h>
#include <linux/delay.h>
+#include <linux/platform_device.h>
#include <asm/delay.h>
#include <asm/irq.h>
#define DM9000_PHY 0x40 /* PHY address 0x01 */
-#define TRUE 1
-#define FALSE 0
-
#define CARDNAME "dm9000"
#define PFX CARDNAME ": "
#define PRINTK(args...) printk(KERN_DEBUG args)
#endif
+#ifdef CONFIG_BLACKFIN
+#define readsb insb
+#define readsw insw
+#define readsl insl
+#define writesb outsb
+#define writesw outsw
+#define writesl outsl
+#define DM9000_IRQ_FLAGS (IRQF_SHARED | IRQF_TRIGGER_HIGH)
+#else
+#define DM9000_IRQ_FLAGS IRQF_SHARED
+#endif
+
/*
* Transmit timeout, default 5 seconds.
*/
struct resource *irq_res;
struct timer_list timer;
- struct net_device_stats stats;
unsigned char srom[128];
spinlock_t lock;
} board_info_t;
/* function declaration ------------------------------------- */
-static int dm9000_probe(struct device *);
+static int dm9000_probe(struct platform_device *);
static int dm9000_open(struct net_device *);
static int dm9000_start_xmit(struct sk_buff *, struct net_device *);
static int dm9000_stop(struct net_device *);
static void dm9000_timer(unsigned long);
static void dm9000_init_dm9000(struct net_device *);
-static struct net_device_stats *dm9000_get_stats(struct net_device *);
-
-static irqreturn_t dm9000_interrupt(int, void *, struct pt_regs *);
+static irqreturn_t dm9000_interrupt(int, void *);
static int dm9000_phy_read(struct net_device *dev, int phyaddr_unsused, int reg);
static void dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg,
spin_unlock_irqrestore(&db->lock,flags);
}
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ *Used by netconsole
+ */
+static void dm9000_poll_controller(struct net_device *dev)
+{
+ disable_irq(dev->irq);
+ dm9000_interrupt(dev->irq,dev);
+ enable_irq(dev->irq);
+}
+#endif
/* dm9000_release_board
*
kfree(db->data_req);
}
- if (db->addr_res != NULL) {
- release_resource(db->addr_res);
+ if (db->addr_req != NULL) {
+ release_resource(db->addr_req);
kfree(db->addr_req);
}
}
* Search DM9000 board, allocate space and register it
*/
static int
-dm9000_probe(struct device *dev)
+dm9000_probe(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
struct dm9000_plat_data *pdata = pdev->dev.platform_data;
struct board_info *db; /* Point a board information structure */
struct net_device *ndev;
return -ENOMEM;
}
- SET_MODULE_OWNER(ndev);
- SET_NETDEV_DEV(ndev, dev);
+ SET_NETDEV_DEV(ndev, &pdev->dev);
PRINTK2("dm9000_probe()");
if (pdev->num_resources < 2) {
ret = -ENODEV;
goto out;
- }
-
- switch (pdev->num_resources) {
- case 2:
+ } else if (pdev->num_resources == 2) {
base = pdev->resource[0].start;
if (!request_mem_region(base, 4, ndev->name)) {
ndev->base_addr = base;
ndev->irq = pdev->resource[1].start;
- db->io_addr = (void *)base;
- db->io_data = (void *)(base + 4);
+ db->io_addr = (void __iomem *)base;
+ db->io_data = (void __iomem *)(base + 4);
- break;
+ /* ensure at least we have a default set of IO routines */
+ dm9000_set_io(db, 2);
- case 3:
+ } else {
db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
db->data_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
db->irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (db->addr_res == NULL || db->data_res == NULL) {
+ if (db->addr_res == NULL || db->data_res == NULL ||
+ db->irq_res == NULL) {
printk(KERN_ERR PFX "insufficient resources\n");
ret = -ENOENT;
goto out;
/* ensure at least we have a default set of IO routines */
dm9000_set_io(db, iosize);
-
}
/* check to see if anything is being over-ridden */
ndev->tx_timeout = &dm9000_timeout;
ndev->watchdog_timeo = msecs_to_jiffies(watchdog);
ndev->stop = &dm9000_stop;
- ndev->get_stats = &dm9000_get_stats;
ndev->set_multicast_list = &dm9000_hash_table;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ ndev->poll_controller = &dm9000_poll_controller;
+#endif
#ifdef DM9000_PROGRAM_EEPROM
program_eeprom(db);
for (i = 0; i < 6; i++)
ndev->dev_addr[i] = db->srom[i];
+ if (!is_valid_ether_addr(ndev->dev_addr)) {
+ /* try reading from mac */
+
+ for (i = 0; i < 6; i++)
+ ndev->dev_addr[i] = ior(db, i+DM9000_PAR);
+ }
+
if (!is_valid_ether_addr(ndev->dev_addr))
printk("%s: Invalid ethernet MAC address. Please "
"set using ifconfig\n", ndev->name);
- dev_set_drvdata(dev, ndev);
+ platform_set_drvdata(pdev, ndev);
ret = register_netdev(ndev);
if (ret == 0) {
- printk("%s: dm9000 at %p,%p IRQ %d MAC: ",
- ndev->name, db->io_addr, db->io_data, ndev->irq);
- for (i = 0; i < 5; i++)
- printk("%02x:", ndev->dev_addr[i]);
- printk("%02x\n", ndev->dev_addr[5]);
+ DECLARE_MAC_BUF(mac);
+ printk("%s: dm9000 at %p,%p IRQ %d MAC: %s\n",
+ ndev->name, db->io_addr, db->io_data, ndev->irq,
+ print_mac(mac, ndev->dev_addr));
}
return 0;
printk("%s: not found (%d).\n", CARDNAME, ret);
dm9000_release_board(pdev, db);
- kfree(ndev);
+ free_netdev(ndev);
return ret;
}
PRINTK2("entering dm9000_open\n");
- if (request_irq(dev->irq, &dm9000_interrupt, SA_SHIRQ, dev->name, dev))
+ if (request_irq(dev->irq, &dm9000_interrupt, DM9000_IRQ_FLAGS, dev->name, dev))
return -EAGAIN;
/* Initialize DM9000 board */
db->tx_pkt_cnt = 0;
db->queue_pkt_len = 0;
dev->trans_start = 0;
- spin_lock_init(&db->lock);
}
/*
static int
dm9000_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
+ unsigned long flags;
board_info_t *db = (board_info_t *) dev->priv;
PRINTK3("dm9000_start_xmit\n");
if (db->tx_pkt_cnt > 1)
return 1;
- netif_stop_queue(dev);
-
- /* Disable all interrupts */
- iow(db, DM9000_IMR, IMR_PAR);
+ spin_lock_irqsave(&db->lock, flags);
/* Move data to DM9000 TX RAM */
writeb(DM9000_MWCMD, db->io_addr);
(db->outblk)(db->io_data, skb->data, skb->len);
- db->stats.tx_bytes += skb->len;
+ dev->stats.tx_bytes += skb->len;
+ db->tx_pkt_cnt++;
/* TX control: First packet immediately send, second packet queue */
- if (db->tx_pkt_cnt == 0) {
-
- /* First Packet */
- db->tx_pkt_cnt++;
-
+ if (db->tx_pkt_cnt == 1) {
/* Set TX length to DM9000 */
iow(db, DM9000_TXPLL, skb->len & 0xff);
iow(db, DM9000_TXPLH, (skb->len >> 8) & 0xff);
iow(db, DM9000_TCR, TCR_TXREQ); /* Cleared after TX complete */
dev->trans_start = jiffies; /* save the time stamp */
-
} else {
/* Second packet */
- db->tx_pkt_cnt++;
db->queue_pkt_len = skb->len;
+ netif_stop_queue(dev);
}
+ spin_unlock_irqrestore(&db->lock, flags);
+
/* free this SKB */
dev_kfree_skb(skb);
- /* Re-enable resource check */
- if (db->tx_pkt_cnt == 1)
- netif_wake_queue(dev);
-
- /* Re-enable interrupt */
- iow(db, DM9000_IMR, IMR_PAR | IMR_PTM | IMR_PRM);
-
return 0;
}
* receive the packet to upper layer, free the transmitted packet
*/
-void
+static void
dm9000_tx_done(struct net_device *dev, board_info_t * db)
{
int tx_status = ior(db, DM9000_NSR); /* Got TX status */
if (tx_status & (NSR_TX2END | NSR_TX1END)) {
/* One packet sent complete */
db->tx_pkt_cnt--;
- db->stats.tx_packets++;
+ dev->stats.tx_packets++;
/* Queue packet check & send */
if (db->tx_pkt_cnt > 0) {
}
static irqreturn_t
-dm9000_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+dm9000_interrupt(int irq, void *dev_id)
{
struct net_device *dev = dev_id;
board_info_t *db;
}
/*
- * Get statistics from driver.
- */
-static struct net_device_stats *
-dm9000_get_stats(struct net_device *dev)
-{
- board_info_t *db = (board_info_t *) dev->priv;
- return &db->stats;
-}
-
-
-/*
* A periodic timer routine
* Dynamic media sense, allocated Rx buffer...
*/
struct dm9000_rxhdr rxhdr;
struct sk_buff *skb;
u8 rxbyte, *rdptr;
- int GoodPacket;
+ bool GoodPacket;
int RxLen;
/* Check packet ready or not */
return;
/* A packet ready now & Get status/length */
- GoodPacket = TRUE;
+ GoodPacket = true;
writeb(DM9000_MRCMD, db->io_addr);
(db->inblk)(db->io_data, &rxhdr, sizeof(rxhdr));
/* Packet Status check */
if (RxLen < 0x40) {
- GoodPacket = FALSE;
+ GoodPacket = false;
PRINTK1("Bad Packet received (runt)\n");
}
}
if (rxhdr.RxStatus & 0xbf00) {
- GoodPacket = FALSE;
+ GoodPacket = false;
if (rxhdr.RxStatus & 0x100) {
PRINTK1("fifo error\n");
- db->stats.rx_fifo_errors++;
+ dev->stats.rx_fifo_errors++;
}
if (rxhdr.RxStatus & 0x200) {
PRINTK1("crc error\n");
- db->stats.rx_crc_errors++;
+ dev->stats.rx_crc_errors++;
}
if (rxhdr.RxStatus & 0x8000) {
PRINTK1("length error\n");
- db->stats.rx_length_errors++;
+ dev->stats.rx_length_errors++;
}
}
/* Move data from DM9000 */
if (GoodPacket
&& ((skb = dev_alloc_skb(RxLen + 4)) != NULL)) {
- skb->dev = dev;
skb_reserve(skb, 2);
rdptr = (u8 *) skb_put(skb, RxLen - 4);
/* Read received packet from RX SRAM */
(db->inblk)(db->io_data, rdptr, RxLen);
- db->stats.rx_bytes += RxLen;
+ dev->stats.rx_bytes += RxLen;
/* Pass to upper layer */
skb->protocol = eth_type_trans(skb, dev);
netif_rx(skb);
- db->stats.rx_packets++;
+ dev->stats.rx_packets++;
} else {
/* need to dump the packet's data */
}
static int
-dm9000_drv_suspend(struct device *dev, pm_message_t state)
+dm9000_drv_suspend(struct platform_device *dev, pm_message_t state)
{
- struct net_device *ndev = dev_get_drvdata(dev);
+ struct net_device *ndev = platform_get_drvdata(dev);
if (ndev) {
if (netif_running(ndev)) {
}
static int
-dm9000_drv_resume(struct device *dev)
+dm9000_drv_resume(struct platform_device *dev)
{
- struct net_device *ndev = dev_get_drvdata(dev);
+ struct net_device *ndev = platform_get_drvdata(dev);
board_info_t *db = (board_info_t *) ndev->priv;
if (ndev) {
}
static int
-dm9000_drv_remove(struct device *dev)
+dm9000_drv_remove(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct net_device *ndev = dev_get_drvdata(dev);
+ struct net_device *ndev = platform_get_drvdata(pdev);
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(pdev, NULL);
unregister_netdev(ndev);
dm9000_release_board(pdev, (board_info_t *) ndev->priv);
- kfree(ndev); /* free device structure */
+ free_netdev(ndev); /* free device structure */
PRINTK1("clean_module() exit\n");
return 0;
}
-static struct device_driver dm9000_driver = {
- .name = "dm9000",
- .bus = &platform_bus_type,
+static struct platform_driver dm9000_driver = {
+ .driver = {
+ .name = "dm9000",
+ .owner = THIS_MODULE,
+ },
.probe = dm9000_probe,
.remove = dm9000_drv_remove,
.suspend = dm9000_drv_suspend,
{
printk(KERN_INFO "%s Ethernet Driver\n", CARDNAME);
- return driver_register(&dm9000_driver); /* search board and register */
+ return platform_driver_register(&dm9000_driver); /* search board and register */
}
static void __exit
dm9000_cleanup(void)
{
- driver_unregister(&dm9000_driver);
+ platform_driver_unregister(&dm9000_driver);
}
module_init(dm9000_init);