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