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[netdrvr] ibmlana: move away from legacy MCA API

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
hifive-unleashed-5.1
Jeff Garzik 2007-11-04 21:53:26 -05:00 committed by David S. Miller
parent fbe02d6d87
commit 3df5920c46
1 changed files with 50 additions and 67 deletions

View File

@ -83,7 +83,7 @@ History:
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/time.h>
#include <linux/mca-legacy.h>
#include <linux/mca.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
@ -161,13 +161,13 @@ static void PrTime(void)
/* deduce resources out of POS registers */
static void getaddrs(int slot, int *base, int *memlen, int *iobase,
int *irq, ibmlana_medium * medium)
static void getaddrs(struct mca_device *mdev, int *base, int *memlen,
int *iobase, int *irq, ibmlana_medium *medium)
{
u_char pos0, pos1;
pos0 = mca_read_stored_pos(slot, 2);
pos1 = mca_read_stored_pos(slot, 3);
pos0 = mca_device_read_stored_pos(mdev, 2);
pos1 = mca_device_read_stored_pos(mdev, 3);
*base = 0xc0000 + ((pos1 & 0xf0) << 9);
*memlen = (pos1 & 0x01) ? 0x8000 : 0x4000;
@ -744,6 +744,7 @@ static irqreturn_t irq_handler(int dummy, void *device)
/* MCA info */
#if 0 /* info available elsewhere, but this is kept for reference */
static int ibmlana_getinfo(char *buf, int slot, void *d)
{
int len = 0, i;
@ -771,6 +772,7 @@ static int ibmlana_getinfo(char *buf, int slot, void *d)
return len;
}
#endif
/* open driver. Means also initialization and start of LANCE */
@ -894,19 +896,26 @@ static int ibmlana_irq;
static int ibmlana_io;
static int startslot; /* counts through slots when probing multiple devices */
static int ibmlana_probe(struct net_device **dev_out)
static short ibmlana_adapter_ids[] __initdata = {
IBM_LANA_ID,
0x0000
};
static char *ibmlana_adapter_names[] __initdata = {
"IBM LAN Adapter/A",
NULL
};
static int ibmlana_init_one(struct device *kdev)
{
struct mca_device *mdev = to_mca_device(kdev);
struct net_device *dev;
int slot, z, rc;
int slot = mdev->slot, z, rc;
int base = 0, irq = 0, iobase = 0, memlen = 0;
ibmlana_priv *priv;
ibmlana_medium medium;
DECLARE_MAC_BUF(mac);
/* can't work without an MCA bus ;-) */
if (MCA_bus == 0)
return -ENODEV;
dev = alloc_etherdev(sizeof(ibmlana_priv));
if (!dev)
return -ENOMEM;
@ -917,25 +926,16 @@ static int ibmlana_probe(struct net_device **dev_out)
base = dev->mem_start;
irq = dev->irq;
for (slot = startslot; (slot = mca_find_adapter(IBM_LANA_ID, slot)) != -1; slot++) {
/* deduce card addresses */
getaddrs(slot, &base, &memlen, &iobase, &irq, &medium);
/* deduce card addresses */
getaddrs(mdev, &base, &memlen, &iobase, &irq, &medium);
/* slot already in use ? */
if (mca_is_adapter_used(slot))
continue;
/* were we looking for something different ? */
if (dev->irq && dev->irq != irq)
continue;
if (dev->mem_start && dev->mem_start != base)
continue;
/* found something that matches */
break;
/* were we looking for something different ? */
if (dev->irq && dev->irq != irq) {
rc = -ENODEV;
goto err_out;
}
/* nothing found ? */
if (slot == -1) {
rc = (base != 0 || irq != 0) ? -ENXIO : -ENODEV;
if (dev->mem_start && dev->mem_start != base) {
rc = -ENODEV;
goto err_out;
}
@ -952,11 +952,10 @@ static int ibmlana_probe(struct net_device **dev_out)
priv = netdev_priv(dev);
priv->slot = slot;
priv->realirq = irq;
priv->realirq = mca_device_transform_irq(mdev, irq);
priv->medium = medium;
spin_lock_init(&priv->lock);
/* set base + irq for this device (irq not allocated so far) */
dev->irq = 0;
@ -972,18 +971,14 @@ static int ibmlana_probe(struct net_device **dev_out)
goto err_out_reg;
}
/* make procfs entries */
mca_set_adapter_name(slot, "IBM LAN Adapter/A");
mca_set_adapter_procfn(slot, (MCA_ProcFn) ibmlana_getinfo, dev);
mca_mark_as_used(slot);
mca_device_set_name(mdev, ibmlana_adapter_names[mdev->index]);
mca_device_set_claim(mdev, 1);
/* set methods */
dev->open = ibmlana_open;
dev->stop = ibmlana_close;
dev->hard_start_xmit = ibmlana_tx;
dev->do_ioctl = NULL;
dev->set_multicast_list = ibmlana_set_multicast_list;
dev->flags |= IFF_MULTICAST;
@ -1013,13 +1008,11 @@ static int ibmlana_probe(struct net_device **dev_out)
if (rc)
goto err_out_claimed;
*dev_out = dev;
dev_set_drvdata(kdev, dev);
return 0;
err_out_claimed:
mca_mark_as_unused(priv->slot);
mca_set_adapter_name(priv->slot, "");
mca_set_adapter_procfn(priv->slot, NULL, NULL);
mca_device_set_claim(mdev, 0);
iounmap(priv->base);
err_out_reg:
release_region(iobase, IBM_LANA_IORANGE);
@ -1028,59 +1021,49 @@ err_out:
return rc;
}
static void ibmlana_remove_one(struct net_device *_dev)
static int ibmlana_remove_one(struct device *kdev)
{
struct net_device *dev = _dev;
struct mca_device *mdev = to_mca_device(kdev);
struct net_device *dev = dev_get_drvdata(kdev);
ibmlana_priv *priv = netdev_priv(dev);
unregister_netdev(dev);
/*DeinitBoard(dev); */
release_region(dev->base_addr, IBM_LANA_IORANGE);
mca_mark_as_unused(priv->slot);
mca_set_adapter_name(priv->slot, "");
mca_set_adapter_procfn(priv->slot, NULL, NULL);
mca_device_set_claim(mdev, 0);
iounmap(priv->base);
free_netdev(dev);
return 0;
}
/* ------------------------------------------------------------------------
* modularization support
* ------------------------------------------------------------------------ */
#define DEVMAX 5
static struct net_device *moddevs[DEVMAX];
module_param_named(irq, ibmlana_irq, int, 0);
module_param_named(io, ibmlana_io, int, 0);
MODULE_PARM_DESC(irq, "IBM LAN/A IRQ number");
MODULE_PARM_DESC(io, "IBM LAN/A I/O base address");
MODULE_LICENSE("GPL");
static struct mca_driver ibmlana_driver = {
.id_table = ibmlana_adapter_ids,
.driver = {
.name = "ibmlana",
.bus = &mca_bus_type,
.probe = ibmlana_init_one,
.remove = ibmlana_remove_one,
},
};
static int __init ibmlana_init_module(void)
{
int z;
startslot = 0;
for (z = 0; z < DEVMAX; z++) {
struct net_device *dev = NULL;
if (ibmlana_probe(&dev))
break;
moddevs[z] = dev;
}
return (z > 0) ? 0 : -EIO;
return mca_register_driver(&ibmlana_driver);
}
static void __exit ibmlana_cleanup_module(void)
{
int z;
for (z = 0; z < DEVMAX; z++) {
struct net_device *dev = moddevs[z];
if (dev)
ibmlana_remove_one(dev);
}
mca_unregister_driver(&ibmlana_driver);
}
module_init(ibmlana_init_module);