191 lines
5.3 KiB
C
191 lines
5.3 KiB
C
/*
|
|
* Linux ARCnet driver - COM20020 PCI support
|
|
* Contemporary Controls PCI20 and SOHARD SH-ARC PCI
|
|
*
|
|
* Written 1994-1999 by Avery Pennarun,
|
|
* based on an ISA version by David Woodhouse.
|
|
* Written 1999-2000 by Martin Mares <mj@ucw.cz>.
|
|
* Derived from skeleton.c by Donald Becker.
|
|
*
|
|
* Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
|
|
* for sponsoring the further development of this driver.
|
|
*
|
|
* **********************
|
|
*
|
|
* The original copyright of skeleton.c was as follows:
|
|
*
|
|
* skeleton.c Written 1993 by Donald Becker.
|
|
* Copyright 1993 United States Government as represented by the
|
|
* Director, National Security Agency. This software may only be used
|
|
* and distributed according to the terms of the GNU General Public License as
|
|
* modified by SRC, incorporated herein by reference.
|
|
*
|
|
* **********************
|
|
*
|
|
* For more details, see drivers/net/arcnet.c
|
|
*
|
|
* **********************
|
|
*/
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/init.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/arcdevice.h>
|
|
#include <linux/com20020.h>
|
|
|
|
#include <asm/io.h>
|
|
|
|
|
|
#define VERSION "arcnet: COM20020 PCI support\n"
|
|
|
|
/* Module parameters */
|
|
|
|
static int node;
|
|
static char device[9]; /* use eg. device="arc1" to change name */
|
|
static int timeout = 3;
|
|
static int backplane;
|
|
static int clockp;
|
|
static int clockm;
|
|
|
|
module_param(node, int, 0);
|
|
module_param_string(device, device, sizeof(device), 0);
|
|
module_param(timeout, int, 0);
|
|
module_param(backplane, int, 0);
|
|
module_param(clockp, int, 0);
|
|
module_param(clockm, int, 0);
|
|
MODULE_LICENSE("GPL");
|
|
|
|
static int __devinit com20020pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
|
|
{
|
|
struct net_device *dev;
|
|
struct arcnet_local *lp;
|
|
int ioaddr, err;
|
|
|
|
if (pci_enable_device(pdev))
|
|
return -EIO;
|
|
dev = alloc_arcdev(device);
|
|
if (!dev)
|
|
return -ENOMEM;
|
|
lp = dev->priv;
|
|
|
|
pci_set_drvdata(pdev, dev);
|
|
|
|
// SOHARD needs PCI base addr 4
|
|
if (pdev->vendor==0x10B5) {
|
|
BUGMSG(D_NORMAL, "SOHARD\n");
|
|
ioaddr = pci_resource_start(pdev, 4);
|
|
}
|
|
else {
|
|
BUGMSG(D_NORMAL, "Contemporary Controls\n");
|
|
ioaddr = pci_resource_start(pdev, 2);
|
|
}
|
|
|
|
if (!request_region(ioaddr, ARCNET_TOTAL_SIZE, "com20020-pci")) {
|
|
BUGMSG(D_INIT, "IO region %xh-%xh already allocated.\n",
|
|
ioaddr, ioaddr + ARCNET_TOTAL_SIZE - 1);
|
|
err = -EBUSY;
|
|
goto out_dev;
|
|
}
|
|
|
|
// Dummy access after Reset
|
|
// ARCNET controller needs this access to detect bustype
|
|
outb(0x00,ioaddr+1);
|
|
inb(ioaddr+1);
|
|
|
|
dev->base_addr = ioaddr;
|
|
dev->irq = pdev->irq;
|
|
dev->dev_addr[0] = node;
|
|
lp->card_name = "PCI COM20020";
|
|
lp->card_flags = id->driver_data;
|
|
lp->backplane = backplane;
|
|
lp->clockp = clockp & 7;
|
|
lp->clockm = clockm & 3;
|
|
lp->timeout = timeout;
|
|
lp->hw.owner = THIS_MODULE;
|
|
|
|
if (ASTATUS() == 0xFF) {
|
|
BUGMSG(D_NORMAL, "IO address %Xh was reported by PCI BIOS, "
|
|
"but seems empty!\n", ioaddr);
|
|
err = -EIO;
|
|
goto out_port;
|
|
}
|
|
if (com20020_check(dev)) {
|
|
err = -EIO;
|
|
goto out_port;
|
|
}
|
|
|
|
if ((err = com20020_found(dev, IRQF_SHARED)) != 0)
|
|
goto out_port;
|
|
|
|
return 0;
|
|
|
|
out_port:
|
|
release_region(ioaddr, ARCNET_TOTAL_SIZE);
|
|
out_dev:
|
|
free_netdev(dev);
|
|
return err;
|
|
}
|
|
|
|
static void __devexit com20020pci_remove(struct pci_dev *pdev)
|
|
{
|
|
struct net_device *dev = pci_get_drvdata(pdev);
|
|
unregister_netdev(dev);
|
|
free_irq(dev->irq, dev);
|
|
release_region(dev->base_addr, ARCNET_TOTAL_SIZE);
|
|
free_netdev(dev);
|
|
}
|
|
|
|
static struct pci_device_id com20020pci_id_table[] = {
|
|
{ 0x1571, 0xa001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
|
|
{ 0x1571, 0xa002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
|
|
{ 0x1571, 0xa003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
|
|
{ 0x1571, 0xa004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
|
|
{ 0x1571, 0xa005, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
|
|
{ 0x1571, 0xa006, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
|
|
{ 0x1571, 0xa007, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
|
|
{ 0x1571, 0xa008, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
|
|
{ 0x1571, 0xa009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
|
|
{ 0x1571, 0xa00a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
|
|
{ 0x1571, 0xa00b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
|
|
{ 0x1571, 0xa00c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
|
|
{ 0x1571, 0xa00d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
|
|
{ 0x1571, 0xa201, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
|
|
{ 0x1571, 0xa202, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
|
|
{ 0x1571, 0xa203, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
|
|
{ 0x1571, 0xa204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
|
|
{ 0x1571, 0xa205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
|
|
{ 0x1571, 0xa206, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
|
|
{ 0x10B5, 0x9030, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
|
|
{ 0x10B5, 0x9050, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
|
|
{0,}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, com20020pci_id_table);
|
|
|
|
static struct pci_driver com20020pci_driver = {
|
|
.name = "com20020",
|
|
.id_table = com20020pci_id_table,
|
|
.probe = com20020pci_probe,
|
|
.remove = __devexit_p(com20020pci_remove),
|
|
};
|
|
|
|
static int __init com20020pci_init(void)
|
|
{
|
|
BUGLVL(D_NORMAL) printk(VERSION);
|
|
return pci_register_driver(&com20020pci_driver);
|
|
}
|
|
|
|
static void __exit com20020pci_cleanup(void)
|
|
{
|
|
pci_unregister_driver(&com20020pci_driver);
|
|
}
|
|
|
|
module_init(com20020pci_init)
|
|
module_exit(com20020pci_cleanup)
|