mirror of https://gitee.com/openkylin/linux.git
420 lines
9.2 KiB
C
420 lines
9.2 KiB
C
/*
|
|
* proteon.c: A network driver for Proteon ISA token ring cards.
|
|
*
|
|
* Based on tmspci written 1999 by Adam Fritzler
|
|
*
|
|
* Written 2003 by Jochen Friedrich
|
|
*
|
|
* This software may be used and distributed according to the terms
|
|
* of the GNU General Public License, incorporated herein by reference.
|
|
*
|
|
* This driver module supports the following cards:
|
|
* - Proteon 1392, 1392+
|
|
*
|
|
* Maintainer(s):
|
|
* AF Adam Fritzler mid@auk.cx
|
|
* JF Jochen Friedrich jochen@scram.de
|
|
*
|
|
* Modification History:
|
|
* 02-Jan-03 JF Created
|
|
*
|
|
*/
|
|
static const char version[] = "proteon.c: v1.00 02/01/2003 by Jochen Friedrich\n";
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/init.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/trdevice.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <asm/system.h>
|
|
#include <asm/io.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/pci.h>
|
|
#include <asm/dma.h>
|
|
|
|
#include "tms380tr.h"
|
|
|
|
#define PROTEON_IO_EXTENT 32
|
|
|
|
/* A zero-terminated list of I/O addresses to be probed. */
|
|
static unsigned int portlist[] __initdata = {
|
|
0x0A20, 0x0E20, 0x1A20, 0x1E20, 0x2A20, 0x2E20, 0x3A20, 0x3E20,// Prot.
|
|
0x4A20, 0x4E20, 0x5A20, 0x5E20, 0x6A20, 0x6E20, 0x7A20, 0x7E20,// Prot.
|
|
0x8A20, 0x8E20, 0x9A20, 0x9E20, 0xAA20, 0xAE20, 0xBA20, 0xBE20,// Prot.
|
|
0xCA20, 0xCE20, 0xDA20, 0xDE20, 0xEA20, 0xEE20, 0xFA20, 0xFE20,// Prot.
|
|
0
|
|
};
|
|
|
|
/* A zero-terminated list of IRQs to be probed. */
|
|
static unsigned short irqlist[] = {
|
|
7, 6, 5, 4, 3, 12, 11, 10, 9,
|
|
0
|
|
};
|
|
|
|
/* A zero-terminated list of DMAs to be probed. */
|
|
static int dmalist[] __initdata = {
|
|
5, 6, 7,
|
|
0
|
|
};
|
|
|
|
static char cardname[] = "Proteon 1392\0";
|
|
static u64 dma_mask = ISA_MAX_ADDRESS;
|
|
static int proteon_open(struct net_device *dev);
|
|
static void proteon_read_eeprom(struct net_device *dev);
|
|
static unsigned short proteon_setnselout_pins(struct net_device *dev);
|
|
|
|
static unsigned short proteon_sifreadb(struct net_device *dev, unsigned short reg)
|
|
{
|
|
return inb(dev->base_addr + reg);
|
|
}
|
|
|
|
static unsigned short proteon_sifreadw(struct net_device *dev, unsigned short reg)
|
|
{
|
|
return inw(dev->base_addr + reg);
|
|
}
|
|
|
|
static void proteon_sifwriteb(struct net_device *dev, unsigned short val, unsigned short reg)
|
|
{
|
|
outb(val, dev->base_addr + reg);
|
|
}
|
|
|
|
static void proteon_sifwritew(struct net_device *dev, unsigned short val, unsigned short reg)
|
|
{
|
|
outw(val, dev->base_addr + reg);
|
|
}
|
|
|
|
static int __init proteon_probe1(struct net_device *dev, int ioaddr)
|
|
{
|
|
unsigned char chk1, chk2;
|
|
int i;
|
|
|
|
if (!request_region(ioaddr, PROTEON_IO_EXTENT, cardname))
|
|
return -ENODEV;
|
|
|
|
|
|
chk1 = inb(ioaddr + 0x1f); /* Get Proteon ID reg 1 */
|
|
if (chk1 != 0x1f)
|
|
goto nodev;
|
|
|
|
chk1 = inb(ioaddr + 0x1e) & 0x07; /* Get Proteon ID reg 0 */
|
|
for (i=0; i<16; i++) {
|
|
chk2 = inb(ioaddr + 0x1e) & 0x07;
|
|
if (((chk1 + 1) & 0x07) != chk2)
|
|
goto nodev;
|
|
chk1 = chk2;
|
|
}
|
|
|
|
dev->base_addr = ioaddr;
|
|
return (0);
|
|
nodev:
|
|
release_region(ioaddr, PROTEON_IO_EXTENT);
|
|
return -ENODEV;
|
|
}
|
|
|
|
static int __init setup_card(struct net_device *dev, struct device *pdev)
|
|
{
|
|
struct net_local *tp;
|
|
static int versionprinted;
|
|
const unsigned *port;
|
|
int j,err = 0;
|
|
DECLARE_MAC_BUF(mac);
|
|
|
|
if (!dev)
|
|
return -ENOMEM;
|
|
|
|
if (dev->base_addr) /* probe specific location */
|
|
err = proteon_probe1(dev, dev->base_addr);
|
|
else {
|
|
for (port = portlist; *port; port++) {
|
|
err = proteon_probe1(dev, *port);
|
|
if (!err)
|
|
break;
|
|
}
|
|
}
|
|
if (err)
|
|
goto out5;
|
|
|
|
/* At this point we have found a valid card. */
|
|
|
|
if (versionprinted++ == 0)
|
|
printk(KERN_DEBUG "%s", version);
|
|
|
|
err = -EIO;
|
|
pdev->dma_mask = &dma_mask;
|
|
if (tmsdev_init(dev, pdev))
|
|
goto out4;
|
|
|
|
dev->base_addr &= ~3;
|
|
|
|
proteon_read_eeprom(dev);
|
|
|
|
printk(KERN_DEBUG "proteon.c: Ring Station Address: %s\n",
|
|
print_mac(mac, dev->dev_addr));
|
|
|
|
tp = netdev_priv(dev);
|
|
tp->setnselout = proteon_setnselout_pins;
|
|
|
|
tp->sifreadb = proteon_sifreadb;
|
|
tp->sifreadw = proteon_sifreadw;
|
|
tp->sifwriteb = proteon_sifwriteb;
|
|
tp->sifwritew = proteon_sifwritew;
|
|
|
|
memcpy(tp->ProductID, cardname, PROD_ID_SIZE + 1);
|
|
|
|
tp->tmspriv = NULL;
|
|
|
|
dev->open = proteon_open;
|
|
dev->stop = tms380tr_close;
|
|
|
|
if (dev->irq == 0)
|
|
{
|
|
for(j = 0; irqlist[j] != 0; j++)
|
|
{
|
|
dev->irq = irqlist[j];
|
|
if (!request_irq(dev->irq, tms380tr_interrupt, 0,
|
|
cardname, dev))
|
|
break;
|
|
}
|
|
|
|
if(irqlist[j] == 0)
|
|
{
|
|
printk(KERN_INFO "proteon.c: AutoSelect no IRQ available\n");
|
|
goto out3;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for(j = 0; irqlist[j] != 0; j++)
|
|
if (irqlist[j] == dev->irq)
|
|
break;
|
|
if (irqlist[j] == 0)
|
|
{
|
|
printk(KERN_INFO "proteon.c: Illegal IRQ %d specified\n",
|
|
dev->irq);
|
|
goto out3;
|
|
}
|
|
if (request_irq(dev->irq, tms380tr_interrupt, 0,
|
|
cardname, dev))
|
|
{
|
|
printk(KERN_INFO "proteon.c: Selected IRQ %d not available\n",
|
|
dev->irq);
|
|
goto out3;
|
|
}
|
|
}
|
|
|
|
if (dev->dma == 0)
|
|
{
|
|
for(j = 0; dmalist[j] != 0; j++)
|
|
{
|
|
dev->dma = dmalist[j];
|
|
if (!request_dma(dev->dma, cardname))
|
|
break;
|
|
}
|
|
|
|
if(dmalist[j] == 0)
|
|
{
|
|
printk(KERN_INFO "proteon.c: AutoSelect no DMA available\n");
|
|
goto out2;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for(j = 0; dmalist[j] != 0; j++)
|
|
if (dmalist[j] == dev->dma)
|
|
break;
|
|
if (dmalist[j] == 0)
|
|
{
|
|
printk(KERN_INFO "proteon.c: Illegal DMA %d specified\n",
|
|
dev->dma);
|
|
goto out2;
|
|
}
|
|
if (request_dma(dev->dma, cardname))
|
|
{
|
|
printk(KERN_INFO "proteon.c: Selected DMA %d not available\n",
|
|
dev->dma);
|
|
goto out2;
|
|
}
|
|
}
|
|
|
|
err = register_netdev(dev);
|
|
if (err)
|
|
goto out;
|
|
|
|
printk(KERN_DEBUG "%s: IO: %#4lx IRQ: %d DMA: %d\n",
|
|
dev->name, dev->base_addr, dev->irq, dev->dma);
|
|
|
|
return 0;
|
|
out:
|
|
free_dma(dev->dma);
|
|
out2:
|
|
free_irq(dev->irq, dev);
|
|
out3:
|
|
tmsdev_term(dev);
|
|
out4:
|
|
release_region(dev->base_addr, PROTEON_IO_EXTENT);
|
|
out5:
|
|
return err;
|
|
}
|
|
|
|
/*
|
|
* Reads MAC address from adapter RAM, which should've read it from
|
|
* the onboard ROM.
|
|
*
|
|
* Calling this on a board that does not support it can be a very
|
|
* dangerous thing. The Madge board, for instance, will lock your
|
|
* machine hard when this is called. Luckily, its supported in a
|
|
* separate driver. --ASF
|
|
*/
|
|
static void proteon_read_eeprom(struct net_device *dev)
|
|
{
|
|
int i;
|
|
|
|
/* Address: 0000:0000 */
|
|
proteon_sifwritew(dev, 0, SIFADX);
|
|
proteon_sifwritew(dev, 0, SIFADR);
|
|
|
|
/* Read six byte MAC address data */
|
|
dev->addr_len = 6;
|
|
for(i = 0; i < 6; i++)
|
|
dev->dev_addr[i] = proteon_sifreadw(dev, SIFINC) >> 8;
|
|
}
|
|
|
|
unsigned short proteon_setnselout_pins(struct net_device *dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int proteon_open(struct net_device *dev)
|
|
{
|
|
struct net_local *tp = netdev_priv(dev);
|
|
unsigned short val = 0;
|
|
int i;
|
|
|
|
/* Proteon reset sequence */
|
|
outb(0, dev->base_addr + 0x11);
|
|
mdelay(20);
|
|
outb(0x04, dev->base_addr + 0x11);
|
|
mdelay(20);
|
|
outb(0, dev->base_addr + 0x11);
|
|
mdelay(100);
|
|
|
|
/* set control/status reg */
|
|
val = inb(dev->base_addr + 0x11);
|
|
val |= 0x78;
|
|
val &= 0xf9;
|
|
if(tp->DataRate == SPEED_4)
|
|
val |= 0x20;
|
|
else
|
|
val &= ~0x20;
|
|
|
|
outb(val, dev->base_addr + 0x11);
|
|
outb(0xff, dev->base_addr + 0x12);
|
|
for(i = 0; irqlist[i] != 0; i++)
|
|
{
|
|
if(irqlist[i] == dev->irq)
|
|
break;
|
|
}
|
|
val = i;
|
|
i = (7 - dev->dma) << 4;
|
|
val |= i;
|
|
outb(val, dev->base_addr + 0x13);
|
|
|
|
return tms380tr_open(dev);
|
|
}
|
|
|
|
#define ISATR_MAX_ADAPTERS 3
|
|
|
|
static int io[ISATR_MAX_ADAPTERS];
|
|
static int irq[ISATR_MAX_ADAPTERS];
|
|
static int dma[ISATR_MAX_ADAPTERS];
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
module_param_array(io, int, NULL, 0);
|
|
module_param_array(irq, int, NULL, 0);
|
|
module_param_array(dma, int, NULL, 0);
|
|
|
|
static struct platform_device *proteon_dev[ISATR_MAX_ADAPTERS];
|
|
|
|
static struct platform_driver proteon_driver = {
|
|
.driver = {
|
|
.name = "proteon",
|
|
},
|
|
};
|
|
|
|
static int __init proteon_init(void)
|
|
{
|
|
struct net_device *dev;
|
|
struct platform_device *pdev;
|
|
int i, num = 0, err = 0;
|
|
|
|
err = platform_driver_register(&proteon_driver);
|
|
if (err)
|
|
return err;
|
|
|
|
for (i = 0; i < ISATR_MAX_ADAPTERS ; i++) {
|
|
dev = alloc_trdev(sizeof(struct net_local));
|
|
if (!dev)
|
|
continue;
|
|
|
|
dev->base_addr = io[i];
|
|
dev->irq = irq[i];
|
|
dev->dma = dma[i];
|
|
pdev = platform_device_register_simple("proteon",
|
|
i, NULL, 0);
|
|
if (IS_ERR(pdev)) {
|
|
free_netdev(dev);
|
|
continue;
|
|
}
|
|
err = setup_card(dev, &pdev->dev);
|
|
if (!err) {
|
|
proteon_dev[i] = pdev;
|
|
platform_set_drvdata(pdev, dev);
|
|
++num;
|
|
} else {
|
|
platform_device_unregister(pdev);
|
|
free_netdev(dev);
|
|
}
|
|
}
|
|
|
|
printk(KERN_NOTICE "proteon.c: %d cards found.\n", num);
|
|
/* Probe for cards. */
|
|
if (num == 0) {
|
|
printk(KERN_NOTICE "proteon.c: No cards found.\n");
|
|
platform_driver_unregister(&proteon_driver);
|
|
return -ENODEV;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void __exit proteon_cleanup(void)
|
|
{
|
|
struct net_device *dev;
|
|
int i;
|
|
|
|
for (i = 0; i < ISATR_MAX_ADAPTERS ; i++) {
|
|
struct platform_device *pdev = proteon_dev[i];
|
|
|
|
if (!pdev)
|
|
continue;
|
|
dev = platform_get_drvdata(pdev);
|
|
unregister_netdev(dev);
|
|
release_region(dev->base_addr, PROTEON_IO_EXTENT);
|
|
free_irq(dev->irq, dev);
|
|
free_dma(dev->dma);
|
|
tmsdev_term(dev);
|
|
free_netdev(dev);
|
|
platform_set_drvdata(pdev, NULL);
|
|
platform_device_unregister(pdev);
|
|
}
|
|
platform_driver_unregister(&proteon_driver);
|
|
}
|
|
|
|
module_init(proteon_init);
|
|
module_exit(proteon_cleanup);
|