Viewing file: emu10k1-gp.c (3.27 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/* * $Id: emu10k1-gp.c,v 1.2 2001/04/24 07:48:56 vojtech Exp $ * * Copyright (c) 2001 Vojtech Pavlik * * Sponsored by SuSE */
/* * EMU10k1 - SB Live! - 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, Ucitelska 1576, 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_LICENSE("GPL");
struct emu { struct pci_dev *dev; struct emu *next; struct gameport gameport; int size; }; static struct pci_device_id emu_tbl[] __devinitdata = { { 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live! gameport */ { 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy! 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; int rc; struct emu *port; rc = pci_enable_device(pdev); if (rc) { printk(KERN_ERR "emu10k1-gp: Cannot enable emu10k1 gameport (bus %d, devfn %d) error=%d\n", pdev->bus->number, pdev->devfn, rc); return rc; }
ioport = pci_resource_start(pdev, 0); iolen = pci_resource_len(pdev, 0);
if (!request_region(ioport, iolen, "emu10k1-gp")) return -EBUSY;
if (!(port = kmalloc(sizeof(struct emu), GFP_KERNEL))) { printk(KERN_ERR "emu10k1-gp: Memory allocation failed.\n"); release_region(ioport, iolen); return -ENOMEM; } memset(port, 0, sizeof(struct emu));
port->gameport.io = ioport; port->size = iolen; port->dev = pdev; pci_set_drvdata(pdev, port);
gameport_register_port(&port->gameport);
printk(KERN_INFO "gameport%d: Emu10k1 Gameport at %#x size %d speed %d kHz\n", port->gameport.number, port->gameport.io, iolen, port->gameport.speed);
return 0; }
static void __devexit emu_remove(struct pci_dev *pdev) { struct emu *port = pci_get_drvdata(pdev); gameport_unregister_port(&port->gameport); release_region(port->gameport.io, port->size); kfree(port); }
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);
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