patch-2.4.0-test11 linux/drivers/net/ne.c
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- Lines: 542
- Date:
Tue Nov 7 11:02:24 2000
- Orig file:
v2.4.0-test10/linux/drivers/net/ne.c
- Orig date:
Tue Oct 31 12:42:26 2000
diff -u --recursive --new-file v2.4.0-test10/linux/drivers/net/ne.c linux/drivers/net/ne.c
@@ -29,21 +29,22 @@
occur after memory is allocated for dev->priv. Deallocated memory
last in cleanup_modue()
Richard Guenther : Added support for ISAPnP cards
-
+ Paul Gortmaker : Discontinued PCI support - use ne2k-pci.c instead.
+
*/
/* Routines for the NatSemi-based designs (NE[12]000). */
-static const char *version =
- "ne.c:v1.10 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n";
+static const char version1[] =
+"ne.c:v1.10 9/23/94 Donald Becker (becker@scyld.com)\n";
+static const char version2[] =
+"Last modified Nov 1, 2000 by Paul Gortmaker\n";
#include <linux/module.h>
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/errno.h>
-#include <linux/pci.h>
#include <linux/isapnp.h>
#include <linux/init.h>
#include <linux/delay.h>
@@ -70,28 +71,11 @@
/* A zero-terminated list of I/O addresses to be probed at boot. */
#ifndef MODULE
-static unsigned int netcard_portlist[] __initdata = {
+static unsigned int netcard_portlist[] __initdata = {
0x300, 0x280, 0x320, 0x340, 0x360, 0x380, 0
};
#endif
-#ifdef CONFIG_PCI
-/* Ack! People are making PCI ne2000 clones! Oh the horror, the horror... */
-static struct { unsigned short vendor, dev_id; char *name; }
-pci_clone_list[] __initdata = {
- {PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8029, "Realtek 8029" },
- {PCI_VENDOR_ID_WINBOND2, PCI_DEVICE_ID_WINBOND2_89C940, "Winbond 89C940" },
- {PCI_VENDOR_ID_COMPEX, PCI_DEVICE_ID_COMPEX_RL2000, "Compex ReadyLink 2000" },
- {PCI_VENDOR_ID_KTI, PCI_DEVICE_ID_KTI_ET32P2, "KTI ET32P2" },
- {PCI_VENDOR_ID_NETVIN, PCI_DEVICE_ID_NETVIN_NV5000SC, "NetVin NV5000" },
- {PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C926, "VIA 82C926 Amazon" },
- {PCI_VENDOR_ID_SURECOM, PCI_DEVICE_ID_SURECOM_NE34, "SureCom NE34"},
- {0,}
-};
-
-static int probe_pci = 1;
-#endif
-
static struct { unsigned short vendor, function; char *name; }
isapnp_clone_list[] __initdata = {
{ISAPNP_VENDOR('E','D','I'), ISAPNP_FUNCTION(0x0216), "NN NE2000" },
@@ -114,7 +98,9 @@
{"ET-100","ET-200", {0x00, 0x45, 0x54}}, /* YANG and YA clone */
{"COMPEX","COMPEX16",{0x00,0x80,0x48}}, /* Broken ISA Compex cards */
{"E-LAN100", "E-LAN200", {0x00, 0x00, 0x5d}}, /* Broken ne1000 clones */
- {"PCM-4823", "PCM-4823", {0x00, 0xc0, 0x6c}}, /* Broken Advantech MoBo */
+ {"PCM-4823", "PCM-4823", {0x00, 0xc0, 0x6c}}, /* Broken Advantech MoBo */
+ {"REALTEK", "RTL8019", {0x00, 0x00, 0xe8}}, /* no-name with Realtek chip */
+ {"LCS-8834", "LCS-8836", {0x04, 0x04, 0x37}}, /* ShinyNet (SET) */
{0,}
};
#endif
@@ -132,15 +118,9 @@
#define NESM_START_PG 0x40 /* First page of TX buffer */
#define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */
-/* Non-zero only if the current card is a PCI with BIOS-set IRQ. */
-static unsigned int pci_irq_line = 0;
-
int ne_probe(struct net_device *dev);
static int ne_probe1(struct net_device *dev, int ioaddr);
static int ne_probe_isapnp(struct net_device *dev);
-#ifdef CONFIG_PCI
-static int ne_probe_pci(struct net_device *dev);
-#endif
static int ne_open(struct net_device *dev);
static int ne_close(struct net_device *dev);
@@ -175,16 +155,9 @@
E2010 starts at 0x100 and ends at 0x4000.
E2010-x starts at 0x100 and ends at 0xffff. */
-/*
- * Note that at boot, this probe only picks up one card at a time, even for
- * multiple PCI ne2k cards. Use "ether=0,0,eth1" if you have a second PCI
- * ne2k card. This keeps things consistent regardless of the bus type of
- * the card.
- */
-
int __init ne_probe(struct net_device *dev)
{
- int base_addr = dev ? dev->base_addr : 0;
+ unsigned int base_addr = dev ? dev->base_addr : 0;
/* First check any supplied i/o locations. User knows best. <cough> */
if (base_addr > 0x1ff) /* Check a single specified location. */
@@ -192,12 +165,6 @@
else if (base_addr != 0) /* Don't probe at all. */
return -ENXIO;
-#ifdef CONFIG_PCI
- /* Then look for any installed PCI clones */
- if (probe_pci && pci_present() && (ne_probe_pci(dev) == 0))
- return 0;
-#endif
-
/* Then look for any installed ISAPnP clones */
if (isapnp_present() && (ne_probe_isapnp(dev) == 0))
return 0;
@@ -206,8 +173,6 @@
/* Last resort. The semi-risky ISA auto-probe. */
for (base_addr = 0; netcard_portlist[base_addr] != 0; base_addr++) {
int ioaddr = netcard_portlist[base_addr];
- if (check_region(ioaddr, NE_IO_EXTENT))
- continue;
if (ne_probe1(dev, ioaddr) == 0)
return 0;
}
@@ -216,47 +181,10 @@
return -ENODEV;
}
-#ifdef CONFIG_PCI
-static int __init ne_probe_pci(struct net_device *dev)
-{
- int i;
-
- for (i = 0; pci_clone_list[i].vendor != 0; i++) {
- struct pci_dev *pdev = NULL;
- unsigned int pci_ioaddr = 0;
-
- while ((pdev = pci_find_device(pci_clone_list[i].vendor, pci_clone_list[i].dev_id, pdev))) {
- if (pci_enable_device(pdev))
- continue;
- pci_ioaddr = pci_resource_start (pdev, 0);
- /* Avoid already found cards from previous calls */
- if (check_region(pci_ioaddr, NE_IO_EXTENT))
- continue;
- pci_irq_line = pdev->irq;
- if (pci_irq_line) break; /* Found it */
- }
- if (!pdev)
- continue;
- printk(KERN_INFO "ne.c: PCI BIOS reports %s at i/o %#x, irq %d.\n",
- pci_clone_list[i].name,
- pci_ioaddr, pci_irq_line);
- printk("*\n* Use of the PCI-NE2000 driver with this card is recommended!\n*\n");
- if (ne_probe1(dev, pci_ioaddr) != 0) { /* Shouldn't happen. */
- printk(KERN_ERR "ne.c: Probe of PCI card at %#x failed.\n", pci_ioaddr);
- pci_irq_line = 0;
- return -ENXIO;
- }
- pci_irq_line = 0;
- return 0;
- }
- return -ENODEV;
-}
-#endif /* CONFIG_PCI */
-
static int __init ne_probe_isapnp(struct net_device *dev)
{
int i;
-
+
for (i = 0; isapnp_clone_list[i].vendor != 0; i++) {
struct pci_dev *idev = NULL;
@@ -269,14 +197,18 @@
continue;
if (idev->activate(idev))
continue;
- pci_irq_line = idev->irq_resource[0].start;
/* if no irq, search for next */
- if (!pci_irq_line)
+ if (idev->irq_resource[0].start == 0)
continue;
/* found it */
- if (ne_probe1(dev, idev->resource[0].start) != 0) { /* Shouldn't happen. */
- printk(KERN_ERR "ne.c: Probe of ISAPnP card at %#lx failed.\n",
- idev->resource[0].start);
+ dev->base_addr = idev->resource[0].start;
+ dev->irq = idev->irq_resource[0].start;
+ printk(KERN_INFO "ne.c: ISAPnP reports %s at i/o %#lx, irq %d.\n",
+ isapnp_clone_list[i].name,
+
+ dev->base_addr, dev->irq);
+ if (ne_probe1(dev, dev->base_addr) != 0) { /* Shouldn't happen. */
+ printk(KERN_ERR "ne.c: Probe of ISAPnP card at %#lx failed.\n", dev->base_addr);
return -ENXIO;
}
ei_status.priv = (unsigned long)idev;
@@ -284,9 +216,6 @@
}
if (!idev)
continue;
- printk(KERN_INFO "ne.c: ISAPnP reports %s at i/o %#lx, irq %d.\n",
- isapnp_clone_list[i].name,
- dev->base_addr, dev->irq);
return 0;
}
@@ -301,11 +230,17 @@
const char *name = NULL;
int start_page, stop_page;
int neX000, ctron, copam, bad_card;
- int reg0 = inb_p(ioaddr);
+ int reg0, ret;
static unsigned version_printed = 0;
- if (reg0 == 0xFF)
- return -ENODEV;
+ if (!request_region(ioaddr, NE_IO_EXTENT, dev->name))
+ return -EBUSY;
+
+ reg0 = inb_p(ioaddr);
+ if (reg0 == 0xFF) {
+ ret = -ENODEV;
+ goto err_out;
+ }
/* Do a preliminary verification that we have a 8390. */
{
@@ -318,12 +253,13 @@
if (inb_p(ioaddr + EN0_COUNTER0) != 0) {
outb_p(reg0, ioaddr);
outb_p(regd, ioaddr + 0x0d); /* Restore the old values. */
- return -ENODEV;
+ ret = -ENODEV;
+ goto err_out;
}
}
if (ei_debug && version_printed++ == 0)
- printk(version);
+ printk(KERN_INFO "%s" KERN_INFO "%s", version1, version2);
printk(KERN_INFO "NE*000 ethercard probe at %#3x:", ioaddr);
@@ -350,10 +286,11 @@
break;
} else {
printk(" not found (no reset ack).\n");
- return -ENODEV;
+ ret = -ENODEV;
+ goto err_out;
}
}
-
+
outb_p(0xff, ioaddr + EN0_ISR); /* Ack all intr. */
}
@@ -362,7 +299,7 @@
We can't reliably read the SAPROM address without this.
(I learned the hard way!). */
{
- struct {unsigned char value, offset; } program_seq[] =
+ struct {unsigned char value, offset; } program_seq[] =
{
{E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/
{0x48, EN0_DCFG}, /* Set byte-wide (0x48) access. */
@@ -390,20 +327,10 @@
wordlength = 1;
}
- /* At this point, wordlength *only* tells us if the SA_prom is doubled
- up or not because some broken PCI cards don't respect the byte-wide
- request in program_seq above, and hence don't have doubled up values.
- These broken cards would otherwise be detected as an ne1000. */
-
if (wordlength == 2)
+ {
for (i = 0; i < 16; i++)
SA_prom[i] = SA_prom[i+i];
-
- if (pci_irq_line || ioaddr >= 0x400)
- wordlength = 2; /* Catch broken PCI cards mentioned above. */
-
- if (wordlength == 2)
- {
/* We must set the 8390 for word mode. */
outb_p(0x49, ioaddr + EN0_DCFG);
start_page = NESM_START_PG;
@@ -416,13 +343,12 @@
neX000 = (SA_prom[14] == 0x57 && SA_prom[15] == 0x57);
ctron = (SA_prom[0] == 0x00 && SA_prom[1] == 0x00 && SA_prom[2] == 0x1d);
copam = (SA_prom[14] == 0x49 && SA_prom[15] == 0x00);
-
/* Set up the rest of the parameters. */
if (neX000 || bad_card || copam) {
name = (wordlength == 2) ? "NE2000" : "NE1000";
}
- else if (ctron)
+ else if (ctron)
{
name = (wordlength == 2) ? "Ctron-8" : "Ctron-16";
start_page = 0x01;
@@ -433,13 +359,13 @@
#ifdef SUPPORT_NE_BAD_CLONES
/* Ack! Well, there might be a *bad* NE*000 clone there.
Check for total bogus addresses. */
- for (i = 0; bad_clone_list[i].name8; i++)
+ for (i = 0; bad_clone_list[i].name8; i++)
{
if (SA_prom[0] == bad_clone_list[i].SAprefix[0] &&
SA_prom[1] == bad_clone_list[i].SAprefix[1] &&
- SA_prom[2] == bad_clone_list[i].SAprefix[2])
+ SA_prom[2] == bad_clone_list[i].SAprefix[2])
{
- if (wordlength == 2)
+ if (wordlength == 2)
{
name = bad_clone_list[i].name16;
} else {
@@ -448,31 +374,30 @@
break;
}
}
- if (bad_clone_list[i].name8 == NULL)
+ if (bad_clone_list[i].name8 == NULL)
{
printk(" not found (invalid signature %2.2x %2.2x).\n",
SA_prom[14], SA_prom[15]);
- return -ENXIO;
+ ret = -ENXIO;
+ goto err_out;
}
#else
printk(" not found.\n");
- return -ENXIO;
+ ret = -ENXIO;
+ goto err_out;
#endif
}
- if (pci_irq_line)
- dev->irq = pci_irq_line;
-
- if (dev->irq < 2)
+ if (dev->irq < 2)
{
- autoirq_setup(0);
+ unsigned long cookie = probe_irq_on();
outb_p(0x50, ioaddr + EN0_IMR); /* Enable one interrupt. */
outb_p(0x00, ioaddr + EN0_RCNTLO);
outb_p(0x00, ioaddr + EN0_RCNTHI);
outb_p(E8390_RREAD+E8390_START, ioaddr); /* Trigger it... */
mdelay(10); /* wait 10ms for interrupt to propagate */
outb_p(0x00, ioaddr + EN0_IMR); /* Mask it again. */
- dev->irq = autoirq_report(0);
+ dev->irq = probe_irq_off(cookie);
if (ei_debug > 2)
printk(" autoirq is %d\n", dev->irq);
} else if (dev->irq == 2)
@@ -482,31 +407,27 @@
if (! dev->irq) {
printk(" failed to detect IRQ line.\n");
- return -EAGAIN;
+ ret = -EAGAIN;
+ goto err_out;
}
/* Allocate dev->priv and fill in 8390 specific dev fields. */
- if (ethdev_init(dev))
+ if (ethdev_init(dev))
{
printk (" unable to get memory for dev->priv.\n");
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto err_out;
}
-
+
/* Snarf the interrupt now. There's no point in waiting since we cannot
share and the board will usually be enabled. */
-
- {
- int irqval = request_irq(dev->irq, ei_interrupt,
- pci_irq_line ? SA_SHIRQ : 0, name, dev);
- if (irqval) {
- printk (" unable to get IRQ %d (irqval=%d).\n", dev->irq, irqval);
- kfree(dev->priv);
- dev->priv = NULL;
- return -EAGAIN;
- }
+ ret = request_irq(dev->irq, ei_interrupt, 0, name, dev);
+ if (ret) {
+ printk (" unable to get IRQ %d (errno=%d).\n", dev->irq, ret);
+ goto err_out_kfree;
}
+
dev->base_addr = ioaddr;
- request_region(ioaddr, NE_IO_EXTENT, name);
for(i = 0; i < ETHER_ADDR_LEN; i++) {
printk(" %2.2x", SA_prom[i]);
@@ -536,6 +457,13 @@
dev->stop = &ne_close;
NS8390_init(dev, 0);
return 0;
+
+err_out_kfree:
+ kfree(dev->priv);
+ dev->priv = NULL;
+err_out:
+ release_region(ioaddr, NE_IO_EXTENT);
+ return ret;
}
static int ne_open(struct net_device *dev)
@@ -589,7 +517,7 @@
/* This *shouldn't* happen. If it does, it's the last thing you'll see */
- if (ei_status.dmaing)
+ if (ei_status.dmaing)
{
printk(KERN_EMERG "%s: DMAing conflict in ne_get_8390_hdr "
"[DMAstat:%d][irqlock:%d].\n",
@@ -628,7 +556,7 @@
char *buf = skb->data;
/* This *shouldn't* happen. If it does, it's the last thing you'll see */
- if (ei_status.dmaing)
+ if (ei_status.dmaing)
{
printk(KERN_EMERG "%s: DMAing conflict in ne_block_input "
"[DMAstat:%d][irqlock:%d].\n",
@@ -642,10 +570,10 @@
outb_p(ring_offset & 0xff, nic_base + EN0_RSARLO);
outb_p(ring_offset >> 8, nic_base + EN0_RSARHI);
outb_p(E8390_RREAD+E8390_START, nic_base + NE_CMD);
- if (ei_status.word16)
+ if (ei_status.word16)
{
insw(NE_BASE + NE_DATAPORT,buf,count>>1);
- if (count & 0x01)
+ if (count & 0x01)
{
buf[count-1] = inb(NE_BASE + NE_DATAPORT);
#ifdef NE_SANITY_CHECK
@@ -662,7 +590,7 @@
this message you either 1) have a slightly incompatible clone
or 2) have noise/speed problems with your bus. */
- if (ei_debug > 1)
+ if (ei_debug > 1)
{
/* DMA termination address check... */
int addr, tries = 20;
@@ -697,12 +625,12 @@
/* Round the count up for word writes. Do we need to do this?
What effect will an odd byte count have on the 8390?
I should check someday. */
-
+
if (ei_status.word16 && (count & 0x01))
count++;
/* This *shouldn't* happen. If it does, it's the last thing you'll see */
- if (ei_status.dmaing)
+ if (ei_status.dmaing)
{
printk(KERN_EMERG "%s: DMAing conflict in ne_block_output."
"[DMAstat:%d][irqlock:%d]\n",
@@ -722,7 +650,7 @@
Crynwr packet driver -- the NatSemi method doesn't work.
Actually this doesn't always work either, but if you have
problems with your NEx000 this is better than nothing! */
-
+
outb_p(0x42, nic_base + EN0_RCNTLO);
outb_p(0x00, nic_base + EN0_RCNTHI);
outb_p(0x42, nic_base + EN0_RSARLO);
@@ -752,8 +680,8 @@
#ifdef NE_SANITY_CHECK
/* This was for the ALPHA version only, but enough people have
been encountering problems so it is still here. */
-
- if (ei_debug > 1)
+
+ if (ei_debug > 1)
{
/* DMA termination address check... */
int addr, tries = 20;
@@ -765,7 +693,7 @@
break;
} while (--tries > 0);
- if (tries <= 0)
+ if (tries <= 0)
{
printk(KERN_WARNING "%s: Tx packet transfer address mismatch,"
"%#4.4x (expected) vs. %#4.4x (actual).\n",
@@ -801,10 +729,6 @@
MODULE_PARM(irq, "1-" __MODULE_STRING(MAX_NE_CARDS) "i");
MODULE_PARM(bad, "1-" __MODULE_STRING(MAX_NE_CARDS) "i");
-#ifdef CONFIG_PCI
-MODULE_PARM(probe_pci, "i");
-#endif
-
/* This is set up so that no ISA autoprobe takes place. We can't guarantee
that the ne2k probe is the last 8390 based probe to take place (as it
is at boot) and so the probe will get confused by any other 8390 cards.
@@ -814,9 +738,6 @@
{
int this_dev, found = 0;
- if (load_8390_module("ne.c"))
- return -ENOSYS;
-
for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) {
struct net_device *dev = &dev_ne[this_dev];
dev->irq = irq[this_dev];
@@ -833,8 +754,7 @@
if (io[this_dev] != 0)
printk(KERN_WARNING "ne.c: No NE*000 card found at i/o = %#x\n", io[this_dev]);
else
- printk(KERN_NOTICE "ne.c: No PCI cards found. Use \"io=0xNNN\" value(s) for ISA cards.\n");
- unload_8390_module();
+ printk(KERN_NOTICE "ne.c: You must supply \"io=0xNNN\" value(s) for ISA cards.\n");
return -ENXIO;
}
return 0;
@@ -857,7 +777,6 @@
kfree(priv);
}
}
- unload_8390_module();
}
#endif /* MODULE */
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