static void alloc586(struct net_device *dev)
{
struct priv *p = netdev_priv(dev);
ni_reset586();
mdelay(32);
memset_io(p->iscp, 0, sizeof(struct iscp_struct));
memset_io(p->scp , 0, sizeof(struct scp_struct));
writel(make24(p->iscp), &p->scp->iscp);
writeb(SYSBUSVAL, &p->scp->sysbus);
writew(make16(p->scb), &p->iscp->scb_offset);
writeb(1, &p->iscp->busy);
ni_reset586();
ni_attn586();
mdelay(32);
if (readb(&p->iscp->busy))
printk(KERN_ERR "%s: Init-Problems (alloc).\n", dev->name);
p->reset = 0;
memset_io(p->scb, 0, sizeof(struct scb_struct));
}
/******************************************************************
* set iscp at the right place, called by ni52_probe1 and open586.
*/
static void alloc586(struct net_device *dev)
{
struct priv *p = (struct priv *) dev->priv;
ni_reset586();
DELAY(1);
p->scp = (struct scp_struct *) (p->base + SCP_DEFAULT_ADDRESS);
p->scb = (struct scb_struct *) isa_bus_to_virt(dev->mem_start);
p->iscp = (struct iscp_struct *) ((char *)p->scp - sizeof(struct iscp_struct));
memset((char *) p->iscp,0,sizeof(struct iscp_struct));
memset((char *) p->scp ,0,sizeof(struct scp_struct));
p->scp->iscp = make24(p->iscp);
p->scp->sysbus = SYSBUSVAL;
p->iscp->scb_offset = make16(p->scb);
p->iscp->busy = 1;
ni_reset586();
ni_attn586();
DELAY(1);
if(p->iscp->busy)
printk("%s: Init-Problems (alloc).\n",dev->name);
p->reseted = 0;
memset((char *)p->scb,0,sizeof(struct scb_struct));
}
void alloc586(struct device *dev)
{
struct priv *p = (struct priv *) dev->priv;
p->scp = (struct scp_struct *) (p->base + SCP_DEFAULT_ADDRESS);
p->scb = (struct scb_struct *) (dev->mem_start);
p->iscp = (struct iscp_struct *) ((char *)p->scp - sizeof(struct iscp_struct));
memset((char *) p->iscp,0,sizeof(struct iscp_struct));
memset((char *) p->scp ,0,sizeof(struct scp_struct));
p->scp->iscp = make24(p->iscp);
p->scp->sysbus = SYSBUSVAL;
p->iscp->scb_offset = make16(p->scb);
p->iscp->busy = 1;
ni_reset586();
ni_attn586();
#ifdef DEBUG
DELAY(2);
if(p->iscp->busy)
printk("%s: Init-Problems (alloc).\n",dev->name);
#endif
memset((char *)p->scb,0,sizeof(struct scb_struct));
}
static int ni52_close(struct net_device *dev)
{
free_irq(dev->irq, dev);
ni_reset586(); /* */
netif_stop_queue(dev);
return 0;
}
/**********************************************
* close device
*/
static int ni52_close(struct net_device *dev)
{
free_irq(dev->irq, dev);
ni_reset586(); /* the hard way to stop the receiver */
netif_stop_queue(dev);
return 0;
}
static int check586(struct device *dev,char *where,unsigned size)
{
struct priv *p = (struct priv *) dev->priv;
char *iscp_addrs[2];
int i;
p->base = (unsigned long) where + size - 0x01000000;
p->memtop = where + size;
p->scp = (struct scp_struct *)(p->base + SCP_DEFAULT_ADDRESS);
memset((char *)p->scp,0, sizeof(struct scp_struct));
p->scp->sysbus = SYSBUSVAL; /* 1 = 8Bit-Bus */
iscp_addrs[0] = where;
iscp_addrs[1]= (char *) p->scp - sizeof(struct iscp_struct);
for(i=0;i<2;i++)
{
p->iscp = (struct iscp_struct *) iscp_addrs[i];
memset((char *)p->iscp,0, sizeof(struct iscp_struct));
p->scp->iscp = make24(p->iscp);
p->iscp->busy = 1;
ni_reset586();
ni_attn586();
DELAY(2); /* wait a while... */
if(p->iscp->busy)
return 0;
}
return 1;
}
static int ni52_close(struct device *dev)
{
free_irq(dev->irq);
irq2dev_map[dev->irq] = 0;
ni_reset586(); /* the hard way to stop the receiver */
dev->start = 0;
dev->tbusy = 0;
return 0;
}
static int check_iscp(struct net_device *dev, void __iomem *addr)
{
struct iscp_struct __iomem *iscp = addr;
struct priv *p = netdev_priv(dev);
memset_io(iscp, 0, sizeof(struct iscp_struct));
writel(make24(iscp), &p->scp->iscp);
writeb(1, &iscp->busy);
ni_reset586();
ni_attn586();
mdelay(32); /* */
/* */
if (readb(&iscp->busy))
return 0;
return 1;
}
static int check_iscp(struct net_device *dev, void __iomem *addr)
{
struct iscp_struct __iomem *iscp = addr;
struct priv *p = dev->priv;
memset_io(iscp, 0, sizeof(struct iscp_struct));
writel(make24(iscp), &p->scp->iscp);
writeb(1, &iscp->busy);
ni_reset586();
ni_attn586();
mdelay(32); /* wait a while... */
/* i82586 clears 'busy' after successful init */
if (readb(&iscp->busy))
return 0;
return 1;
}
static int ni52_open(struct net_device *dev)
{
int ret;
ni_disint();
alloc586(dev);
init586(dev);
startrecv586(dev);
ni_enaint();
ret = request_irq(dev->irq, ni52_interrupt, 0, dev->name, dev);
if (ret) {
ni_reset586();
return ret;
}
netif_start_queue(dev);
return 0; /* */
}
static void wait_for_scb_cmd(struct net_device *dev)
{
struct priv *p = netdev_priv(dev);
int i;
for (i = 0; i < 16384; i++) {
if (readb(&p->scb->cmd_cuc) == 0)
break;
udelay(4);
if (i == 16383) {
printk(KERN_ERR "%s: scb_cmd timed out: %04x,%04x .. disabling i82586!!\n",
dev->name, readb(&p->scb->cmd_cuc), readb(&p->scb->cus));
if (!p->reset) {
p->reset = 1;
ni_reset586();
}
}
}
}
static int ni52_open(struct device *dev)
{
alloc586(dev);
init586(dev);
startrecv586(dev);
if(request_irq(dev->irq, &ni52_interrupt,0,"ni52"))
{
ni_reset586();
return -EAGAIN;
}
irq2dev_map[dev->irq] = dev;
dev->interrupt = 0;
dev->tbusy = 0;
dev->start = 1;
return 0; /* most done by init */
}
/**********************************************
* Check to see if there's an 82586 out there.
*/
static int check586(struct net_device *dev,char *where,unsigned size)
{
struct priv pb;
struct priv *p = /* (struct priv *) dev->priv*/ &pb;
char *iscp_addrs[2];
int i;
p->base = (unsigned long) isa_bus_to_virt((unsigned long)where) + size - 0x01000000;
p->memtop = isa_bus_to_virt((unsigned long)where) + size;
p->scp = (struct scp_struct *)(p->base + SCP_DEFAULT_ADDRESS);
memset((char *)p->scp,0, sizeof(struct scp_struct));
for(i=0;i<sizeof(struct scp_struct);i++) /* memory was writeable? */
if(((char *)p->scp)[i])
return 0;
p->scp->sysbus = SYSBUSVAL; /* 1 = 8Bit-Bus, 0 = 16 Bit */
if(p->scp->sysbus != SYSBUSVAL)
return 0;
iscp_addrs[0] = isa_bus_to_virt((unsigned long)where);
iscp_addrs[1]= (char *) p->scp - sizeof(struct iscp_struct);
for(i=0;i<2;i++)
{
p->iscp = (struct iscp_struct *) iscp_addrs[i];
memset((char *)p->iscp,0, sizeof(struct iscp_struct));
p->scp->iscp = make24(p->iscp);
p->iscp->busy = 1;
ni_reset586();
ni_attn586();
DELAY(1); /* wait a while... */
if(p->iscp->busy) /* i82586 clears 'busy' after successful init */
return 0;
}
return 1;
}
static int __init ni52_probe1(struct net_device *dev,int ioaddr)
{
int i, size, retval;
if (!request_region(ioaddr, NI52_TOTAL_SIZE, dev->name))
return -EBUSY;
if( !(inb(ioaddr+NI52_MAGIC1) == NI52_MAGICVAL1) ||
!(inb(ioaddr+NI52_MAGIC2) == NI52_MAGICVAL2)) {
retval = -ENODEV;
goto out;
}
for(i=0;i<ETH_ALEN;i++)
dev->dev_addr[i] = inb(dev->base_addr+i);
if(dev->dev_addr[0] != NI52_ADDR0 || dev->dev_addr[1] != NI52_ADDR1
|| dev->dev_addr[2] != NI52_ADDR2) {
retval = -ENODEV;
goto out;
}
printk("%s: NI5210 found at %#3lx, ",dev->name,dev->base_addr);
/*
* check (or search) IO-Memory, 8K and 16K
*/
#ifdef MODULE
size = dev->mem_end - dev->mem_start;
if(size != 0x2000 && size != 0x4000) {
printk("\n%s: Illegal memory size %d. Allowed is 0x2000 or 0x4000 bytes.\n",dev->name,size);
retval = -ENODEV;
goto out;
}
if(!check586(dev,(char *) dev->mem_start,size)) {
printk("?memcheck, Can't find memory at 0x%lx with size %d!\n",dev->mem_start,size);
retval = -ENODEV;
goto out;
}
#else
if(dev->mem_start != 0) /* no auto-mem-probe */
{
size = 0x4000; /* check for 16K mem */
if(!check586(dev,(char *) dev->mem_start,size)) {
size = 0x2000; /* check for 8K mem */
if(!check586(dev,(char *) dev->mem_start,size)) {
printk("?memprobe, Can't find memory at 0x%lx!\n",dev->mem_start);
retval = -ENODEV;
goto out;
}
}
}
else
{
static long memaddrs[] = { 0xc8000,0xca000,0xcc000,0xce000,0xd0000,0xd2000,
0xd4000,0xd6000,0xd8000,0xda000,0xdc000, 0 };
for(i=0;;i++)
{
if(!memaddrs[i]) {
printk("?memprobe, Can't find io-memory!\n");
retval = -ENODEV;
goto out;
}
dev->mem_start = memaddrs[i];
size = 0x2000; /* check for 8K mem */
if(check586(dev,(char *)dev->mem_start,size)) /* 8K-check */
break;
size = 0x4000; /* check for 16K mem */
if(check586(dev,(char *)dev->mem_start,size)) /* 16K-check */
break;
}
}
dev->mem_end = dev->mem_start + size; /* set mem_end showed by 'ifconfig' */
#endif
dev->priv = (void *) kmalloc(sizeof(struct priv),GFP_KERNEL);
if(dev->priv == NULL) {
printk("%s: Ooops .. can't allocate private driver memory.\n",dev->name);
retval = -ENOMEM;
goto out;
}
/* warning: we don't free it on errors */
memset((char *) dev->priv,0,sizeof(struct priv));
((struct priv *) (dev->priv))->memtop = isa_bus_to_virt(dev->mem_start) + size;
((struct priv *) (dev->priv))->base = (unsigned long) isa_bus_to_virt(dev->mem_start) + size - 0x01000000;
alloc586(dev);
/* set number of receive-buffs according to memsize */
if(size == 0x2000)
((struct priv *) dev->priv)->num_recv_buffs = NUM_RECV_BUFFS_8;
else
((struct priv *) dev->priv)->num_recv_buffs = NUM_RECV_BUFFS_16;
printk("Memaddr: 0x%lx, Memsize: %d, ",dev->mem_start,size);
if(dev->irq < 2)
{
unsigned long irq_mask;
irq_mask = probe_irq_on();
ni_reset586();
ni_attn586();
mdelay(20);
dev->irq = probe_irq_off(irq_mask);
if(!dev->irq)
{
printk("?autoirq, Failed to detect IRQ line!\n");
kfree(dev->priv);
dev->priv = NULL;
retval = -EAGAIN;
goto out;
}
printk("IRQ %d (autodetected).\n",dev->irq);
}
else {
if(dev->irq == 2)
dev->irq = 9;
printk("IRQ %d (assigned and not checked!).\n",dev->irq);
}
dev->open = ni52_open;
dev->stop = ni52_close;
dev->get_stats = ni52_get_stats;
dev->tx_timeout = ni52_timeout;
dev->watchdog_timeo = HZ/20;
dev->hard_start_xmit = ni52_send_packet;
dev->set_multicast_list = set_multicast_list;
dev->if_port = 0;
ether_setup(dev);
return 0;
out:
release_region(ioaddr, NI52_TOTAL_SIZE);
return retval;
}
static int __init ni52_probe1(struct net_device *dev, int ioaddr)
{
int i, size, retval;
struct priv *priv = netdev_priv(dev);
dev->base_addr = ioaddr;
dev->irq = irq;
dev->mem_start = memstart;
dev->mem_end = memend;
spin_lock_init(&priv->spinlock);
if (!request_region(ioaddr, NI52_TOTAL_SIZE, DRV_NAME))
return -EBUSY;
if (!(inb(ioaddr+NI52_MAGIC1) == NI52_MAGICVAL1) ||
!(inb(ioaddr+NI52_MAGIC2) == NI52_MAGICVAL2)) {
retval = -ENODEV;
goto out;
}
for (i = 0; i < ETH_ALEN; i++)
dev->dev_addr[i] = inb(dev->base_addr+i);
if (dev->dev_addr[0] != NI52_ADDR0 || dev->dev_addr[1] != NI52_ADDR1 ||
dev->dev_addr[2] != NI52_ADDR2) {
retval = -ENODEV;
goto out;
}
printk(KERN_INFO "%s: NI5210 found at %#3lx, ",
dev->name, dev->base_addr);
/*
*/
#ifdef MODULE
size = dev->mem_end - dev->mem_start;
if (size != 0x2000 && size != 0x4000) {
printk("\n");
printk(KERN_ERR "%s: Invalid memory size %d. Allowed is 0x2000 or 0x4000 bytes.\n", dev->name, size);
retval = -ENODEV;
goto out;
}
if (!check586(dev, size)) {
printk(KERN_ERR "?memcheck, Can't find memory at 0x%lx with size %d!\n", dev->mem_start, size);
retval = -ENODEV;
goto out;
}
#else
if (dev->mem_start != 0) {
/* */
size = 0x4000; /* */
if (!check586(dev, size)) {
size = 0x2000; /* */
if (!check586(dev, size)) {
printk(KERN_ERR "?memprobe, Can't find memory at 0x%lx!\n", dev->mem_start);
retval = -ENODEV;
goto out;
}
}
} else {
static const unsigned long memaddrs[] = {
0xc8000, 0xca000, 0xcc000, 0xce000, 0xd0000, 0xd2000,
0xd4000, 0xd6000, 0xd8000, 0xda000, 0xdc000, 0
};
for (i = 0;; i++) {
if (!memaddrs[i]) {
printk(KERN_ERR "?memprobe, Can't find io-memory!\n");
retval = -ENODEV;
goto out;
}
dev->mem_start = memaddrs[i];
size = 0x2000; /* */
if (check586(dev, size))
/* */
break;
size = 0x4000; /* */
if (check586(dev, size))
/* */
break;
}
}
/* */
dev->mem_end = dev->mem_start + size;
#endif
alloc586(dev);
/* */
if (size == 0x2000)
priv->num_recv_buffs = NUM_RECV_BUFFS_8;
else
priv->num_recv_buffs = NUM_RECV_BUFFS_16;
printk(KERN_DEBUG "Memaddr: 0x%lx, Memsize: %d, ",
dev->mem_start, size);
if (dev->irq < 2) {
unsigned long irq_mask;
irq_mask = probe_irq_on();
ni_reset586();
ni_attn586();
mdelay(20);
dev->irq = probe_irq_off(irq_mask);
if (!dev->irq) {
printk("?autoirq, Failed to detect IRQ line!\n");
retval = -EAGAIN;
iounmap(priv->mapped);
goto out;
}
printk("IRQ %d (autodetected).\n", dev->irq);
} else {
if (dev->irq == 2)
dev->irq = 9;
printk("IRQ %d (assigned and not checked!).\n", dev->irq);
}
dev->netdev_ops = &ni52_netdev_ops;
dev->watchdog_timeo = HZ/20;
return 0;
out:
release_region(ioaddr, NI52_TOTAL_SIZE);
return retval;
}
static int ni52_probe1(struct device *dev,int ioaddr)
{
long memaddrs[] = { 0xd0000,0xd2000,0xd4000,0xd6000,0xd8000, 0 };
int i,size;
for(i=0;i<ETH_ALEN;i++)
dev->dev_addr[i] = inb(dev->base_addr+i);
if(dev->dev_addr[0] != NI52_ADDR0 || dev->dev_addr[1] != NI52_ADDR1
|| dev->dev_addr[2] != NI52_ADDR2)
return ENODEV;
printk("%s: Ni52 found at %#3x, ",dev->name,dev->base_addr);
snarf_region(ioaddr,NI52_TOTAL_SIZE);
dev->priv = (void *) kmalloc(sizeof(struct priv),GFP_KERNEL);
/* warning: we don't free it on errors */
memset((char *) dev->priv,0,sizeof(struct priv));
/*
* check (or search) IO-Memory, 8K and 16K
*/
if(dev->mem_start != 0) /* no auto-mem-probe */
{
size = 0x4000;
if(!check586(dev,(char *) dev->mem_start,size)) {
size = 0x2000;
if(!check586(dev,(char *) dev->mem_start,size)) {
printk("?memprobe, Can't find memory at 0x%lx!\n",dev->mem_start);
return ENODEV;
}
}
}
else
{
for(i=0;;i++)
{
if(!memaddrs[i]) {
printk("?memprobe, Can't find io-memory!\n");
return ENODEV;
}
dev->mem_start = memaddrs[i];
size = 0x2000;
if(check586(dev,(char *)dev->mem_start,size)) /* 8K-check */
break;
size = 0x4000;
if(check586(dev,(char *)dev->mem_start,size)) /* 16K-check */
break;
}
}
((struct priv *) (dev->priv))->base = dev->mem_start + size - 0x01000000;
alloc586(dev);
printk("Memaddr: 0x%lx, Memsize: %d, ",dev->mem_start,size);
if(dev->irq < 2)
{
autoirq_setup(0);
ni_reset586();
ni_attn586();
if(!(dev->irq = autoirq_report(2)))
{
printk("?autoirq, Failed to detect IRQ line!\n");
return 1;
}
}
else if(dev->irq == 2)
dev->irq = 9;
printk("IRQ %d.\n",dev->irq);
dev->open = &ni52_open;
dev->stop = &ni52_close;
dev->get_stats = &ni52_get_stats;
dev->hard_start_xmit = &ni52_send_packet;
dev->set_multicast_list = &set_multicast_list;
dev->if_port = 0;
ether_setup(dev);
dev->tbusy = 0;
dev->interrupt = 0;
dev->start = 0;
return 0;
}
