diff options
Diffstat (limited to 'drivers/net/ibmlana.c')
-rw-r--r-- | drivers/net/ibmlana.c | 192 |
1 files changed, 97 insertions, 95 deletions
diff --git a/drivers/net/ibmlana.c b/drivers/net/ibmlana.c index 91d83ac..46e2c52 100644 --- a/drivers/net/ibmlana.c +++ b/drivers/net/ibmlana.c @@ -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; @@ -704,9 +704,9 @@ static void irqtxerr_handler(struct net_device *dev) /* general interrupt entry */ -static irqreturn_t irq_handler(int irq, void *device) +static irqreturn_t irq_handler(int dummy, void *device) { - struct net_device *dev = (struct net_device *) device; + struct net_device *dev = device; u16 ival; /* in case we're not meant... */ @@ -744,6 +744,7 @@ static irqreturn_t irq_handler(int irq, 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 */ @@ -890,42 +892,52 @@ static void ibmlana_set_multicast_list(struct net_device *dev) * hardware check * ------------------------------------------------------------------------ */ +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) +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) { - int slot, z; + struct mca_device *mdev = to_mca_device(kdev); + struct net_device *dev; + 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; + + dev->irq = ibmlana_irq; + dev->base_addr = ibmlana_io; 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); - - /* 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; - } + /* deduce card addresses */ + getaddrs(mdev, &base, &memlen, &iobase, &irq, &medium); - /* nothing found ? */ - if (slot == -1) - return (base != 0 || irq != 0) ? -ENXIO : -ENODEV; + /* were we looking for something different ? */ + if (dev->irq && dev->irq != irq) { + rc = -ENODEV; + goto err_out; + } + if (dev->mem_start && dev->mem_start != base) { + rc = -ENODEV; + goto err_out; + } /* announce success */ printk(KERN_INFO "%s: IBM LAN Adapter/A found in slot %d\n", dev->name, slot + 1); @@ -934,16 +946,16 @@ static int ibmlana_probe(struct net_device *dev) if (!request_region(iobase, IBM_LANA_IORANGE, DRV_NAME)) { printk(KERN_ERR "%s: cannot allocate I/O range at %#x!\n", DRV_NAME, iobase); startslot = slot + 1; - return -EBUSY; + rc = -EBUSY; + goto err_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; @@ -955,22 +967,18 @@ static int ibmlana_probe(struct net_device *dev) if (!priv->base) { printk(KERN_ERR "%s: cannot remap memory!\n", DRV_NAME); startslot = slot + 1; - release_region(iobase, IBM_LANA_IORANGE); - return -EBUSY; + rc = -EBUSY; + 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; @@ -996,6 +1004,35 @@ static int ibmlana_probe(struct net_device *dev) startslot = slot + 1; + rc = register_netdev(dev); + if (rc) + goto err_out_claimed; + + dev_set_drvdata(kdev, dev); + return 0; + +err_out_claimed: + mca_device_set_claim(mdev, 0); + iounmap(priv->base); +err_out_reg: + release_region(iobase, IBM_LANA_IORANGE); +err_out: + free_netdev(dev); + return rc; +} + +static int ibmlana_remove_one(struct device *kdev) +{ + 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_device_set_claim(mdev, 0); + iounmap(priv->base); + free_netdev(dev); return 0; } @@ -1003,66 +1040,31 @@ static int ibmlana_probe(struct net_device *dev) * modularization support * ------------------------------------------------------------------------ */ -#ifdef MODULE - -#define DEVMAX 5 - -static struct net_device *moddevs[DEVMAX]; -static int irq; -static int io; - -module_param(irq, int, 0); -module_param(io, int, 0); +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"); -int init_module(void) -{ - int z; +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, + }, +}; - startslot = 0; - for (z = 0; z < DEVMAX; z++) { - struct net_device *dev = alloc_etherdev(sizeof(ibmlana_priv)); - if (!dev) - break; - dev->irq = irq; - dev->base_addr = io; - if (ibmlana_probe(dev)) { - free_netdev(dev); - break; - } - if (register_netdev(dev)) { - ibmlana_priv *priv = netdev_priv(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); - iounmap(priv->base); - free_netdev(dev); - break; - } - moddevs[z] = dev; - } - return (z > 0) ? 0 : -EIO; +static int __init ibmlana_init_module(void) +{ + return mca_register_driver(&ibmlana_driver); } -void cleanup_module(void) +static void __exit ibmlana_cleanup_module(void) { - int z; - for (z = 0; z < DEVMAX; z++) { - struct net_device *dev = moddevs[z]; - if (dev) { - 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); - iounmap(priv->base); - free_netdev(dev); - } - } + mca_unregister_driver(&ibmlana_driver); } -#endif /* MODULE */ + +module_init(ibmlana_init_module); +module_exit(ibmlana_cleanup_module); |