OpenCloudOS-Kernel/drivers/net/arm/etherh.c

863 lines
20 KiB
C

/*
* linux/drivers/acorn/net/etherh.c
*
* Copyright (C) 2000-2002 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* NS8390 I-cubed EtherH and ANT EtherM specific driver
* Thanks to I-Cubed for information on their cards.
* EtherM conversion (C) 1999 Chris Kemp and Tim Watterton
* EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan)
* EtherM integration re-engineered by Russell King.
*
* Changelog:
* 08-12-1996 RMK 1.00 Created
* RMK 1.03 Added support for EtherLan500 cards
* 23-11-1997 RMK 1.04 Added media autodetection
* 16-04-1998 RMK 1.05 Improved media autodetection
* 10-02-2000 RMK 1.06 Updated for 2.3.43
* 13-05-2000 RMK 1.07 Updated for 2.3.99-pre8
* 12-10-1999 CK/TEW EtherM driver first release
* 21-12-2000 TTC EtherH/EtherM integration
* 25-12-2000 RMK 1.08 Clean integration of EtherM into this driver.
* 03-01-2002 RMK 1.09 Always enable IRQs if we're in the nic slot.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/fcntl.h>
#include <linux/interrupt.h>
#include <linux/ptrace.h>
#include <linux/ioport.h>
#include <linux/in.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/bitops.h>
#include <asm/system.h>
#include <asm/ecard.h>
#include <asm/io.h>
#include <asm/irq.h>
#include "../8390.h"
#define NET_DEBUG 0
#define DEBUG_INIT 2
#define DRV_NAME "etherh"
#define DRV_VERSION "1.11"
static unsigned int net_debug = NET_DEBUG;
struct etherh_priv {
void __iomem *ioc_fast;
void __iomem *memc;
void __iomem *dma_base;
unsigned int id;
void __iomem *ctrl_port;
unsigned char ctrl;
u32 supported;
};
struct etherh_data {
unsigned long ns8390_offset;
unsigned long dataport_offset;
unsigned long ctrlport_offset;
int ctrl_ioc;
const char name[16];
u32 supported;
unsigned char tx_start_page;
unsigned char stop_page;
};
MODULE_AUTHOR("Russell King");
MODULE_DESCRIPTION("EtherH/EtherM driver");
MODULE_LICENSE("GPL");
static char version[] __initdata =
"EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n";
#define ETHERH500_DATAPORT 0x800 /* MEMC */
#define ETHERH500_NS8390 0x000 /* MEMC */
#define ETHERH500_CTRLPORT 0x800 /* IOC */
#define ETHERH600_DATAPORT 0x040 /* MEMC */
#define ETHERH600_NS8390 0x800 /* MEMC */
#define ETHERH600_CTRLPORT 0x200 /* MEMC */
#define ETHERH_CP_IE 1
#define ETHERH_CP_IF 2
#define ETHERH_CP_HEARTBEAT 2
#define ETHERH_TX_START_PAGE 1
#define ETHERH_STOP_PAGE 127
/*
* These came from CK/TEW
*/
#define ETHERM_DATAPORT 0x200 /* MEMC */
#define ETHERM_NS8390 0x800 /* MEMC */
#define ETHERM_CTRLPORT 0x23c /* MEMC */
#define ETHERM_TX_START_PAGE 64
#define ETHERM_STOP_PAGE 127
/* ------------------------------------------------------------------------ */
#define etherh_priv(dev) \
((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device)))
static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask)
{
unsigned char ctrl = eh->ctrl | mask;
eh->ctrl = ctrl;
writeb(ctrl, eh->ctrl_port);
}
static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask)
{
unsigned char ctrl = eh->ctrl & ~mask;
eh->ctrl = ctrl;
writeb(ctrl, eh->ctrl_port);
}
static inline unsigned int etherh_get_stat(struct etherh_priv *eh)
{
return readb(eh->ctrl_port);
}
static void etherh_irq_enable(ecard_t *ec, int irqnr)
{
struct etherh_priv *eh = ec->irq_data;
etherh_set_ctrl(eh, ETHERH_CP_IE);
}
static void etherh_irq_disable(ecard_t *ec, int irqnr)
{
struct etherh_priv *eh = ec->irq_data;
etherh_clr_ctrl(eh, ETHERH_CP_IE);
}
static expansioncard_ops_t etherh_ops = {
.irqenable = etherh_irq_enable,
.irqdisable = etherh_irq_disable,
};
static void
etherh_setif(struct net_device *dev)
{
struct ei_device *ei_local = netdev_priv(dev);
unsigned long flags;
void __iomem *addr;
local_irq_save(flags);
/* set the interface type */
switch (etherh_priv(dev)->id) {
case PROD_I3_ETHERLAN600:
case PROD_I3_ETHERLAN600A:
addr = (void *)dev->base_addr + EN0_RCNTHI;
switch (dev->if_port) {
case IF_PORT_10BASE2:
writeb((readb(addr) & 0xf8) | 1, addr);
break;
case IF_PORT_10BASET:
writeb((readb(addr) & 0xf8), addr);
break;
}
break;
case PROD_I3_ETHERLAN500:
switch (dev->if_port) {
case IF_PORT_10BASE2:
etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF);
break;
case IF_PORT_10BASET:
etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF);
break;
}
break;
default:
break;
}
local_irq_restore(flags);
}
static int
etherh_getifstat(struct net_device *dev)
{
struct ei_device *ei_local = netdev_priv(dev);
void __iomem *addr;
int stat = 0;
switch (etherh_priv(dev)->id) {
case PROD_I3_ETHERLAN600:
case PROD_I3_ETHERLAN600A:
addr = (void *)dev->base_addr + EN0_RCNTHI;
switch (dev->if_port) {
case IF_PORT_10BASE2:
stat = 1;
break;
case IF_PORT_10BASET:
stat = readb(addr) & 4;
break;
}
break;
case PROD_I3_ETHERLAN500:
switch (dev->if_port) {
case IF_PORT_10BASE2:
stat = 1;
break;
case IF_PORT_10BASET:
stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT;
break;
}
break;
default:
stat = 0;
break;
}
return stat != 0;
}
/*
* Configure the interface. Note that we ignore the other
* parts of ifmap, since its mostly meaningless for this driver.
*/
static int etherh_set_config(struct net_device *dev, struct ifmap *map)
{
switch (map->port) {
case IF_PORT_10BASE2:
case IF_PORT_10BASET:
/*
* If the user explicitly sets the interface
* media type, turn off automedia detection.
*/
dev->flags &= ~IFF_AUTOMEDIA;
dev->if_port = map->port;
break;
default:
return -EINVAL;
}
etherh_setif(dev);
return 0;
}
/*
* Reset the 8390 (hard reset). Note that we can't actually do this.
*/
static void
etherh_reset(struct net_device *dev)
{
struct ei_device *ei_local = netdev_priv(dev);
void __iomem *addr = (void *)dev->base_addr;
writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr);
/*
* See if we need to change the interface type.
* Note that we use 'interface_num' as a flag
* to indicate that we need to change the media.
*/
if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) {
ei_local->interface_num = 0;
if (dev->if_port == IF_PORT_10BASET)
dev->if_port = IF_PORT_10BASE2;
else
dev->if_port = IF_PORT_10BASET;
etherh_setif(dev);
}
}
/*
* Write a block of data out to the 8390
*/
static void
etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page)
{
struct ei_device *ei_local = netdev_priv(dev);
unsigned long dma_start;
void __iomem *dma_base, *addr;
if (ei_local->dmaing) {
printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: "
" DMAstat %d irqlock %d\n", dev->name,
ei_local->dmaing, ei_local->irqlock);
return;
}
/*
* Make sure we have a round number of bytes if we're in word mode.
*/
if (count & 1 && ei_local->word16)
count++;
ei_local->dmaing = 1;
addr = (void *)dev->base_addr;
dma_base = etherh_priv(dev)->dma_base;
count = (count + 1) & ~1;
writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
writeb (0x42, addr + EN0_RCNTLO);
writeb (0x00, addr + EN0_RCNTHI);
writeb (0x42, addr + EN0_RSARLO);
writeb (0x00, addr + EN0_RSARHI);
writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
udelay (1);
writeb (ENISR_RDC, addr + EN0_ISR);
writeb (count, addr + EN0_RCNTLO);
writeb (count >> 8, addr + EN0_RCNTHI);
writeb (0, addr + EN0_RSARLO);
writeb (start_page, addr + EN0_RSARHI);
writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD);
if (ei_local->word16)
writesw (dma_base, buf, count >> 1);
else
writesb (dma_base, buf, count);
dma_start = jiffies;
while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0)
if (jiffies - dma_start > 2*HZ/100) { /* 20ms */
printk(KERN_ERR "%s: timeout waiting for TX RDC\n",
dev->name);
etherh_reset (dev);
NS8390_init (dev, 1);
break;
}
writeb (ENISR_RDC, addr + EN0_ISR);
ei_local->dmaing = 0;
}
/*
* Read a block of data from the 8390
*/
static void
etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
{
struct ei_device *ei_local = netdev_priv(dev);
unsigned char *buf;
void __iomem *dma_base, *addr;
if (ei_local->dmaing) {
printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: "
" DMAstat %d irqlock %d\n", dev->name,
ei_local->dmaing, ei_local->irqlock);
return;
}
ei_local->dmaing = 1;
addr = (void *)dev->base_addr;
dma_base = etherh_priv(dev)->dma_base;
buf = skb->data;
writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
writeb (count, addr + EN0_RCNTLO);
writeb (count >> 8, addr + EN0_RCNTHI);
writeb (ring_offset, addr + EN0_RSARLO);
writeb (ring_offset >> 8, addr + EN0_RSARHI);
writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
if (ei_local->word16) {
readsw (dma_base, buf, count >> 1);
if (count & 1)
buf[count - 1] = readb (dma_base);
} else
readsb (dma_base, buf, count);
writeb (ENISR_RDC, addr + EN0_ISR);
ei_local->dmaing = 0;
}
/*
* Read a header from the 8390
*/
static void
etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
{
struct ei_device *ei_local = netdev_priv(dev);
void __iomem *dma_base, *addr;
if (ei_local->dmaing) {
printk(KERN_ERR "%s: DMAing conflict in etherh_get_header: "
" DMAstat %d irqlock %d\n", dev->name,
ei_local->dmaing, ei_local->irqlock);
return;
}
ei_local->dmaing = 1;
addr = (void *)dev->base_addr;
dma_base = etherh_priv(dev)->dma_base;
writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD);
writeb (sizeof (*hdr), addr + EN0_RCNTLO);
writeb (0, addr + EN0_RCNTHI);
writeb (0, addr + EN0_RSARLO);
writeb (ring_page, addr + EN0_RSARHI);
writeb (E8390_RREAD | E8390_START, addr + E8390_CMD);
if (ei_local->word16)
readsw (dma_base, hdr, sizeof (*hdr) >> 1);
else
readsb (dma_base, hdr, sizeof (*hdr));
writeb (ENISR_RDC, addr + EN0_ISR);
ei_local->dmaing = 0;
}
/*
* Open/initialize the board. This is called (in the current kernel)
* sometime after booting when the 'ifconfig' program is run.
*
* This routine should set everything up anew at each open, even
* registers that "should" only need to be set once at boot, so that
* there is non-reboot way to recover if something goes wrong.
*/
static int
etherh_open(struct net_device *dev)
{
struct ei_device *ei_local = netdev_priv(dev);
if (!is_valid_ether_addr(dev->dev_addr)) {
printk(KERN_WARNING "%s: invalid ethernet MAC address\n",
dev->name);
return -EINVAL;
}
if (request_irq(dev->irq, ei_interrupt, 0, dev->name, dev))
return -EAGAIN;
/*
* Make sure that we aren't going to change the
* media type on the next reset - we are about to
* do automedia manually now.
*/
ei_local->interface_num = 0;
/*
* If we are doing automedia detection, do it now.
* This is more reliable than the 8390's detection.
*/
if (dev->flags & IFF_AUTOMEDIA) {
dev->if_port = IF_PORT_10BASET;
etherh_setif(dev);
mdelay(1);
if (!etherh_getifstat(dev)) {
dev->if_port = IF_PORT_10BASE2;
etherh_setif(dev);
}
} else
etherh_setif(dev);
etherh_reset(dev);
ei_open(dev);
return 0;
}
/*
* The inverse routine to etherh_open().
*/
static int
etherh_close(struct net_device *dev)
{
ei_close (dev);
free_irq (dev->irq, dev);
return 0;
}
/*
* Initialisation
*/
static void __init etherh_banner(void)
{
static int version_printed;
if (net_debug && version_printed++ == 0)
printk(KERN_INFO "%s", version);
}
/*
* Read the ethernet address string from the on board rom.
* This is an ascii string...
*/
static int __init etherh_addr(char *addr, struct expansion_card *ec)
{
struct in_chunk_dir cd;
char *s;
if (!ecard_readchunk(&cd, ec, 0xf5, 0)) {
printk(KERN_ERR "%s: unable to read podule description string\n",
ec->dev.bus_id);
goto no_addr;
}
s = strchr(cd.d.string, '(');
if (s) {
int i;
for (i = 0; i < 6; i++) {
addr[i] = simple_strtoul(s + 1, &s, 0x10);
if (*s != (i == 5? ')' : ':'))
break;
}
if (i == 6)
return 0;
}
printk(KERN_ERR "%s: unable to parse MAC address: %s\n",
ec->dev.bus_id, cd.d.string);
no_addr:
return -ENODEV;
}
/*
* Create an ethernet address from the system serial number.
*/
static int __init etherm_addr(char *addr)
{
unsigned int serial;
if (system_serial_low == 0 && system_serial_high == 0)
return -ENODEV;
serial = system_serial_low | system_serial_high;
addr[0] = 0;
addr[1] = 0;
addr[2] = 0xa4;
addr[3] = 0x10 + (serial >> 24);
addr[4] = serial >> 16;
addr[5] = serial >> 8;
return 0;
}
static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
strlcpy(info->version, DRV_VERSION, sizeof(info->version));
strlcpy(info->bus_info, dev->class_dev.dev->bus_id,
sizeof(info->bus_info));
}
static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
cmd->supported = etherh_priv(dev)->supported;
cmd->speed = SPEED_10;
cmd->duplex = DUPLEX_HALF;
cmd->port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC;
cmd->autoneg = dev->flags & IFF_AUTOMEDIA ? AUTONEG_ENABLE : AUTONEG_DISABLE;
return 0;
}
static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
switch (cmd->autoneg) {
case AUTONEG_ENABLE:
dev->flags |= IFF_AUTOMEDIA;
break;
case AUTONEG_DISABLE:
switch (cmd->port) {
case PORT_TP:
dev->if_port = IF_PORT_10BASET;
break;
case PORT_BNC:
dev->if_port = IF_PORT_10BASE2;
break;
default:
return -EINVAL;
}
dev->flags &= ~IFF_AUTOMEDIA;
break;
default:
return -EINVAL;
}
etherh_setif(dev);
return 0;
}
static struct ethtool_ops etherh_ethtool_ops = {
.get_settings = etherh_get_settings,
.set_settings = etherh_set_settings,
.get_drvinfo = etherh_get_drvinfo,
};
static u32 etherh_regoffsets[16];
static u32 etherm_regoffsets[16];
static int __init
etherh_probe(struct expansion_card *ec, const struct ecard_id *id)
{
const struct etherh_data *data = id->data;
struct ei_device *ei_local;
struct net_device *dev;
struct etherh_priv *eh;
int i, ret;
etherh_banner();
ret = ecard_request_resources(ec);
if (ret)
goto out;
dev = __alloc_ei_netdev(sizeof(struct etherh_priv));
if (!dev) {
ret = -ENOMEM;
goto release;
}
SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &ec->dev);
dev->open = etherh_open;
dev->stop = etherh_close;
dev->set_config = etherh_set_config;
dev->irq = ec->irq;
dev->ethtool_ops = &etherh_ethtool_ops;
if (data->supported & SUPPORTED_Autoneg)
dev->flags |= IFF_AUTOMEDIA;
if (data->supported & SUPPORTED_TP) {
dev->flags |= IFF_PORTSEL;
dev->if_port = IF_PORT_10BASET;
} else if (data->supported & SUPPORTED_BNC) {
dev->flags |= IFF_PORTSEL;
dev->if_port = IF_PORT_10BASE2;
} else
dev->if_port = IF_PORT_UNKNOWN;
eh = etherh_priv(dev);
eh->supported = data->supported;
eh->ctrl = 0;
eh->id = ec->cid.product;
eh->memc = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC), PAGE_SIZE);
if (!eh->memc) {
ret = -ENOMEM;
goto free;
}
eh->ctrl_port = eh->memc;
if (data->ctrl_ioc) {
eh->ioc_fast = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST), PAGE_SIZE);
if (!eh->ioc_fast) {
ret = -ENOMEM;
goto free;
}
eh->ctrl_port = eh->ioc_fast;
}
dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset;
eh->dma_base = eh->memc + data->dataport_offset;
eh->ctrl_port += data->ctrlport_offset;
/*
* IRQ and control port handling - only for non-NIC slot cards.
*/
if (ec->slot_no != 8) {
ec->ops = &etherh_ops;
ec->irq_data = eh;
} else {
/*
* If we're in the NIC slot, make sure the IRQ is enabled
*/
etherh_set_ctrl(eh, ETHERH_CP_IE);
}
ei_local = netdev_priv(dev);
spin_lock_init(&ei_local->page_lock);
if (ec->cid.product == PROD_ANT_ETHERM) {
etherm_addr(dev->dev_addr);
ei_local->reg_offset = etherm_regoffsets;
} else {
etherh_addr(dev->dev_addr, ec);
ei_local->reg_offset = etherh_regoffsets;
}
ei_local->name = dev->name;
ei_local->word16 = 1;
ei_local->tx_start_page = data->tx_start_page;
ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES;
ei_local->stop_page = data->stop_page;
ei_local->reset_8390 = etherh_reset;
ei_local->block_input = etherh_block_input;
ei_local->block_output = etherh_block_output;
ei_local->get_8390_hdr = etherh_get_header;
ei_local->interface_num = 0;
etherh_reset(dev);
NS8390_init(dev, 0);
ret = register_netdev(dev);
if (ret)
goto free;
printk(KERN_INFO "%s: %s in slot %d, ",
dev->name, data->name, ec->slot_no);
for (i = 0; i < 6; i++)
printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');
ecard_set_drvdata(ec, dev);
return 0;
free:
if (eh->ioc_fast)
iounmap(eh->ioc_fast);
if (eh->memc)
iounmap(eh->memc);
free_netdev(dev);
release:
ecard_release_resources(ec);
out:
return ret;
}
static void __devexit etherh_remove(struct expansion_card *ec)
{
struct net_device *dev = ecard_get_drvdata(ec);
struct etherh_priv *eh = etherh_priv(dev);
ecard_set_drvdata(ec, NULL);
unregister_netdev(dev);
ec->ops = NULL;
if (eh->ioc_fast)
iounmap(eh->ioc_fast);
iounmap(eh->memc);
free_netdev(dev);
ecard_release_resources(ec);
}
static struct etherh_data etherm_data = {
.ns8390_offset = ETHERM_NS8390,
.dataport_offset = ETHERM_NS8390 + ETHERM_DATAPORT,
.ctrlport_offset = ETHERM_NS8390 + ETHERM_CTRLPORT,
.name = "ANT EtherM",
.supported = SUPPORTED_10baseT_Half,
.tx_start_page = ETHERM_TX_START_PAGE,
.stop_page = ETHERM_STOP_PAGE,
};
static struct etherh_data etherlan500_data = {
.ns8390_offset = ETHERH500_NS8390,
.dataport_offset = ETHERH500_NS8390 + ETHERH500_DATAPORT,
.ctrlport_offset = ETHERH500_CTRLPORT,
.ctrl_ioc = 1,
.name = "i3 EtherH 500",
.supported = SUPPORTED_10baseT_Half,
.tx_start_page = ETHERH_TX_START_PAGE,
.stop_page = ETHERH_STOP_PAGE,
};
static struct etherh_data etherlan600_data = {
.ns8390_offset = ETHERH600_NS8390,
.dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT,
.ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
.name = "i3 EtherH 600",
.supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
.tx_start_page = ETHERH_TX_START_PAGE,
.stop_page = ETHERH_STOP_PAGE,
};
static struct etherh_data etherlan600a_data = {
.ns8390_offset = ETHERH600_NS8390,
.dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT,
.ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT,
.name = "i3 EtherH 600A",
.supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg,
.tx_start_page = ETHERH_TX_START_PAGE,
.stop_page = ETHERH_STOP_PAGE,
};
static const struct ecard_id etherh_ids[] = {
{ MANU_ANT, PROD_ANT_ETHERM, &etherm_data },
{ MANU_I3, PROD_I3_ETHERLAN500, &etherlan500_data },
{ MANU_I3, PROD_I3_ETHERLAN600, &etherlan600_data },
{ MANU_I3, PROD_I3_ETHERLAN600A, &etherlan600a_data },
{ 0xffff, 0xffff }
};
static struct ecard_driver etherh_driver = {
.probe = etherh_probe,
.remove = __devexit_p(etherh_remove),
.id_table = etherh_ids,
.drv = {
.name = DRV_NAME,
},
};
static int __init etherh_init(void)
{
int i;
for (i = 0; i < 16; i++) {
etherh_regoffsets[i] = i << 2;
etherm_regoffsets[i] = i << 5;
}
return ecard_register_driver(&etherh_driver);
}
static void __exit etherh_exit(void)
{
ecard_remove_driver(&etherh_driver);
}
module_init(etherh_init);
module_exit(etherh_exit);