1/* 2 * $Id: emu10k1-gp.c,v 1.1.1.1 2007/08/03 18:52:32 Exp $ 3 * 4 * Copyright (c) 2001 Vojtech Pavlik 5 */ 6 7/* 8 * EMU10k1 - SB Live / Audigy - gameport driver for Linux 9 */ 10 11/* 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License as published by 14 * the Free Software Foundation; either version 2 of the License, or 15 * (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25 * 26 * Should you need to contact me, the author, you can do so either by 27 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: 28 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic 29 */ 30 31#include <asm/io.h> 32 33#include <linux/module.h> 34#include <linux/ioport.h> 35#include <linux/init.h> 36#include <linux/gameport.h> 37#include <linux/slab.h> 38#include <linux/pci.h> 39 40MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); 41MODULE_DESCRIPTION("EMU10k1 gameport driver"); 42MODULE_LICENSE("GPL"); 43 44struct emu { 45 struct pci_dev *dev; 46 struct gameport *gameport; 47 int io; 48 int size; 49}; 50 51static struct pci_device_id emu_tbl[] = { 52 53 { 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live gameport */ 54 { 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy gameport */ 55 { 0x1102, 0x7004, PCI_ANY_ID, PCI_ANY_ID }, /* Dell SB Live */ 56 { 0x1102, 0x7005, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy LS gameport */ 57 { 0, } 58}; 59 60MODULE_DEVICE_TABLE(pci, emu_tbl); 61 62static int __devinit emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 63{ 64 int ioport, iolen; 65 struct emu *emu; 66 struct gameport *port; 67 68 if (pci_enable_device(pdev)) 69 return -EBUSY; 70 71 ioport = pci_resource_start(pdev, 0); 72 iolen = pci_resource_len(pdev, 0); 73 74 if (!request_region(ioport, iolen, "emu10k1-gp")) 75 return -EBUSY; 76 77 emu = kzalloc(sizeof(struct emu), GFP_KERNEL); 78 port = gameport_allocate_port(); 79 if (!emu || !port) { 80 printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n"); 81 release_region(ioport, iolen); 82 kfree(emu); 83 gameport_free_port(port); 84 return -ENOMEM; 85 } 86 87 emu->io = ioport; 88 emu->size = iolen; 89 emu->dev = pdev; 90 emu->gameport = port; 91 92 gameport_set_name(port, "EMU10K1"); 93 gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev)); 94 port->dev.parent = &pdev->dev; 95 port->io = ioport; 96 97 pci_set_drvdata(pdev, emu); 98 99 gameport_register_port(port); 100 101 return 0; 102} 103 104static void __devexit emu_remove(struct pci_dev *pdev) 105{ 106 struct emu *emu = pci_get_drvdata(pdev); 107 108 gameport_unregister_port(emu->gameport); 109 release_region(emu->io, emu->size); 110 kfree(emu); 111} 112 113static struct pci_driver emu_driver = { 114 .name = "Emu10k1_gameport", 115 .id_table = emu_tbl, 116 .probe = emu_probe, 117 .remove = __devexit_p(emu_remove), 118}; 119 120static int __init emu_init(void) 121{ 122 return pci_register_driver(&emu_driver); 123} 124 125static void __exit emu_exit(void) 126{ 127 pci_unregister_driver(&emu_driver); 128} 129 130module_init(emu_init); 131module_exit(emu_exit); 132