blob: 8f1461ad2984a542ec9ac46422b2e2bc1faef617 [file] [log] [blame]
/*
* $Id: emu10k1-gp.c,v 1.8 2002/01/22 20:40:46 vojtech Exp $
*
* Copyright (c) 2001 Vojtech Pavlik
*/
/*
* EMU10k1 - SB Live / Audigy - gameport driver for Linux
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Should you need to contact me, the author, you can do so either by
* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
*/
#include <asm/io.h>
#include <linux/module.h>
#include <linux/ioport.h>
#include <linux/config.h>
#include <linux/init.h>
#include <linux/gameport.h>
#include <linux/slab.h>
#include <linux/pci.h>
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("EMU10k1 gameport driver");
MODULE_LICENSE("GPL");
struct emu {
struct pci_dev *dev;
struct gameport gameport;
int size;
char phys[32];
};
static struct pci_device_id emu_tbl[] = {
{ 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live gameport */
{ 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy gameport */
{ 0x1102, 0x7004, PCI_ANY_ID, PCI_ANY_ID }, /* Dell SB Live */
{ 0x1102, 0x7005, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy LS gameport */
{ 0, }
};
MODULE_DEVICE_TABLE(pci, emu_tbl);
static int __devinit emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
int ioport, iolen;
struct emu *emu;
if (pci_enable_device(pdev))
return -EBUSY;
ioport = pci_resource_start(pdev, 0);
iolen = pci_resource_len(pdev, 0);
if (!request_region(ioport, iolen, "emu10k1-gp"))
return -EBUSY;
if (!(emu = kmalloc(sizeof(struct emu), GFP_KERNEL))) {
printk(KERN_ERR "emu10k1-gp: Memory allocation failed.\n");
release_region(ioport, iolen);
return -ENOMEM;
}
memset(emu, 0, sizeof(struct emu));
sprintf(emu->phys, "pci%s/gameport0", pci_name(pdev));
emu->size = iolen;
emu->dev = pdev;
emu->gameport.io = ioport;
emu->gameport.name = pci_name(pdev);
emu->gameport.phys = emu->phys;
emu->gameport.id.bustype = BUS_PCI;
emu->gameport.id.vendor = pdev->vendor;
emu->gameport.id.product = pdev->device;
pci_set_drvdata(pdev, emu);
gameport_register_port(&emu->gameport);
printk(KERN_INFO "gameport: pci%s speed %d kHz\n",
pci_name(pdev), emu->gameport.speed);
return 0;
}
static void __devexit emu_remove(struct pci_dev *pdev)
{
struct emu *emu = pci_get_drvdata(pdev);
gameport_unregister_port(&emu->gameport);
release_region(emu->gameport.io, emu->size);
kfree(emu);
}
static struct pci_driver emu_driver = {
.name = "Emu10k1_gameport",
.id_table = emu_tbl,
.probe = emu_probe,
.remove = __devexit_p(emu_remove),
};
int __init emu_init(void)
{
return pci_module_init(&emu_driver);
}
void __exit emu_exit(void)
{
pci_unregister_driver(&emu_driver);
}
module_init(emu_init);
module_exit(emu_exit);