/* Our private data structure */
struct hplance_private {
- struct lance_private lance;
+ struct lance_private lance;
+ unsigned int scode;
+ void *base;
};
/* function prototypes... This is easy because all the grot is in the
* plus board-specific init, open and close actions.
* Oh, and we need to tell the generic code how to read and write LANCE registers...
*/
-static int __devinit hplance_init_one(struct dio_dev *d,
- const struct dio_device_id *ent);
-static void __devinit hplance_init(struct net_device *dev,
- struct dio_dev *d);
-static void __devexit hplance_remove_one(struct dio_dev *d);
+static void hplance_init(struct net_device *dev, int scode);
+static int hplance_open(struct net_device *dev);
+static int hplance_close(struct net_device *dev);
static void hplance_writerap(void *priv, unsigned short value);
static void hplance_writerdp(void *priv, unsigned short value);
static unsigned short hplance_readrdp(void *priv);
-static int hplance_open(struct net_device *dev);
-static int hplance_close(struct net_device *dev);
-static struct dio_device_id hplance_dio_tbl[] = {
- { DIO_ID_LAN },
- { 0 }
-};
+#ifdef MODULE
+static struct hplance_private *root_hplance_dev;
+#endif
-static struct dio_driver hplance_driver = {
- .name = "hplance",
- .id_table = hplance_dio_tbl,
- .probe = hplance_init_one,
- .remove = __devexit_p(hplance_remove_one),
-};
+static void cleanup_card(struct net_device *dev)
+{
+ struct hplance_private *lp = netdev_priv(dev);
+ dio_unconfig_board(lp->scode);
+}
/* Find all the HP Lance boards and initialise them... */
-static int __devinit hplance_init_one(struct dio_dev *d,
- const struct dio_device_id *ent)
+struct net_device * __init hplance_probe(int unit)
{
struct net_device *dev;
- int err = -ENOMEM;
+
+ if (!MACH_IS_HP300)
+ return ERR_PTR(-ENODEV);
dev = alloc_etherdev(sizeof(struct hplance_private));
if (!dev)
- goto out;
-
- err = -EBUSY;
- if (!request_mem_region(dio_resource_start(d),
- dio_resource_len(d), d->name))
- goto out_free_netdev;
-
- hplance_init(dev, d);
- err = register_netdev(dev);
- if (err)
- goto out_release_mem_region;
-
- dio_set_drvdata(d, dev);
- return 0;
+ return ERR_PTR(-ENOMEM);
- out_release_mem_region:
- release_mem_region(dio_resource_start(d), dio_resource_len(d));
- out_free_netdev:
- free_netdev(dev);
- out:
- return err;
-}
-
-static void __devexit hplance_remove_one(struct dio_dev *d)
-{
- struct net_device *dev = dio_get_drvdata(d);
+ if (unit >= 0) {
+ sprintf(dev->name, "eth%d", unit);
+ netdev_boot_setup_check(dev);
+ }
- unregister_netdev(dev);
- release_mem_region(dio_resource_start(d), dio_resource_len(d));
+ SET_MODULE_OWNER(dev);
+
+ /* Isn't DIO nice? */
+ for(;;)
+ {
+ int scode = dio_find(DIO_ID_LAN);
+
+ if (!scode)
+ break;
+
+ dio_config_board(scode);
+ hplance_init(dev, scode);
+ if (!register_netdev(dev)) {
+ struct hplance_private *lp = netdev_priv(dev);
+ lp->next_module = root_hplance_dev;
+ root_hplance_dev = lp;
+ return dev;
+ }
+ cleanup_card(dev);
+ }
free_netdev(dev);
+ return ERR_PTR(-ENODEV);
}
-/* Initialise a single lance board at the given DIO device */
-static void __init hplance_init(struct net_device *dev, struct dio_dev *d)
+/* Initialise a single lance board at the given select code */
+static void __init hplance_init(struct net_device *dev, int scode)
{
- unsigned long va = (d->resource.start + DIO_VIRADDRBASE);
+ const char *name = dio_scodetoname(scode);
+ void *va = dio_scodetoviraddr(scode);
struct hplance_private *lp;
int i;
- printk(KERN_INFO "%s: %s; select code %d, addr", dev->name, d->name, d->scode);
+ printk("%s: %s; select code %d, addr", dev->name, name, scode);
/* reset the board */
out_8(va+DIO_IDOFF, 0xff);
udelay(100); /* ariba! ariba! udelay! udelay! */
/* Fill the dev fields */
- dev->base_addr = va;
+ dev->base_addr = (unsigned long)va;
dev->open = &hplance_open;
dev->stop = &hplance_close;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = lance_poll;
-#endif
dev->hard_start_xmit = &lance_start_xmit;
dev->get_stats = &lance_get_stats;
dev->set_multicast_list = &lance_set_multicast;
dev->dma = 0;
- for (i=0; i<6; i++) {
+ for (i=0; i<6; i++)
+ {
/* The NVRAM holds our ethernet address, one nibble per byte,
* at bytes NVRAMOFF+1,3,5,7,9...
*/
}
lp = netdev_priv(dev);
- lp->lance.name = (char*)d->name; /* discards const, shut up gcc */
- lp->lance.base = va;
+ lp->lance.name = (char*)name; /* discards const, shut up gcc */
+ lp->lance.ll = (struct lance_regs *)(va + HPLANCE_REGOFF);
lp->lance.init_block = (struct lance_init_block *)(va + HPLANCE_MEMOFF); /* CPU addr */
lp->lance.lance_init_block = 0; /* LANCE addr of same RAM */
lp->lance.busmaster_regval = LE_C3_BSWP; /* we're bigendian */
- lp->lance.irq = d->ipl;
+ lp->lance.irq = dio_scodetoipl(scode);
lp->lance.writerap = hplance_writerap;
lp->lance.writerdp = hplance_writerdp;
lp->lance.readrdp = hplance_readrdp;
lp->lance.lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS;
lp->lance.rx_ring_mod_mask = RX_RING_MOD_MASK;
lp->lance.tx_ring_mod_mask = TX_RING_MOD_MASK;
+ lp->scode = scode;
+ lp->base = va;
printk(", irq %d\n", lp->lance.irq);
}
*/
static void hplance_writerap(void *priv, unsigned short value)
{
- struct lance_private *lp = (struct lance_private *)priv;
- do {
- out_be16(lp->base + HPLANCE_REGOFF + LANCE_RAP, value);
- } while ((in_8(lp->base + HPLANCE_STATUS) & LE_ACK) == 0);
+ struct hplance_private *lp = (struct hplance_private *)priv;
+ struct hplance_reg *hpregs = (struct hplance_reg *)lp->base;
+ do {
+ lp->lance.ll->rap = value;
+ } while ((hpregs->status & LE_ACK) == 0);
}
static void hplance_writerdp(void *priv, unsigned short value)
{
- struct lance_private *lp = (struct lance_private *)priv;
- do {
- out_be16(lp->base + HPLANCE_REGOFF + LANCE_RDP, value);
- } while ((in_8(lp->base + HPLANCE_STATUS) & LE_ACK) == 0);
+ struct hplance_private *lp = (struct hplance_private *)priv;
+ struct hplance_reg *hpregs = (struct hplance_reg *)lp->base;
+ do {
+ lp->lance.ll->rdp = value;
+ } while ((hpregs->status & LE_ACK) == 0);
}
static unsigned short hplance_readrdp(void *priv)
{
- struct lance_private *lp = (struct lance_private *)priv;
- __u16 value;
- do {
- value = in_be16(lp->base + HPLANCE_REGOFF + LANCE_RDP);
- } while ((in_8(lp->base + HPLANCE_STATUS) & LE_ACK) == 0);
- return value;
+ unsigned short val;
+ struct hplance_private *lp = (struct hplance_private *)priv;
+ struct hplance_reg *hpregs = (struct hplance_reg *)lp->base;
+ do {
+ val = lp->lance.ll->rdp;
+ } while ((hpregs->status & LE_ACK) == 0);
+ return val;
}
static int hplance_open(struct net_device *dev)
{
int status;
- struct lance_private *lp = netdev_priv(dev);
+ struct hplance_private *lp = netdev_priv(dev);
+ struct hplance_reg *hpregs = (struct hplance_reg *)lp->base;
status = lance_open(dev); /* call generic lance open code */
if (status)
return status;
/* enable interrupts at board level. */
- out_8(lp->base + HPLANCE_STATUS, LE_IE);
+ out_8(&(hpregs->status), LE_IE);
return 0;
}
static int hplance_close(struct net_device *dev)
{
- struct lance_private *lp = netdev_priv(dev);
-
- out_8(lp->base + HPLANCE_STATUS, 0); /* disable interrupts at boardlevel */
+ struct hplance_private *lp = netdev_priv(dev);
+ struct hplance_reg *hpregs = (struct hplance_reg *)lp->base;
+ out_8(&(hpregs->status), 8); /* disable interrupts at boardlevel */
lance_close(dev);
return 0;
}
-int __init hplance_init_module(void)
+#ifdef MODULE
+MODULE_LICENSE("GPL");
+int init_module(void)
{
- return dio_module_init(&hplance_driver);
+ int found = 0;
+ while (!IS_ERR(hplance_probe(-1)))
+ found++;
+ return found ? 0 : -ENODEV;
}
-void __exit hplance_cleanup_module(void)
+void cleanup_module(void)
{
- dio_unregister_driver(&hplance_driver);
+ /* Walk the chain of devices, unregistering them */
+ struct hplance_private *lp;
+ while (root_hplance_dev) {
+ lp = root_hplance_dev->next_module;
+ unregister_netdev(root_lance_dev->dev);
+ cleanup_card(root_lance_dev->dev);
+ free_netdev(root_lance_dev->dev);
+ root_lance_dev = lp;
+ }
}
-module_init(hplance_init_module);
-module_exit(hplance_cleanup_module);
-
-MODULE_LICENSE("GPL");
+#endif /* MODULE */
git://git.onelab.eu / linux-2.6.git / blobdiff