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 38 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); 39 MODULE_DESCRIPTION("EMU10k1 gameport driver"); 40 MODULE_LICENSE("GPL"); 41 42 struct emu { 43 struct pci_dev *dev; 44 struct gameport *gameport; 45 int io; 46 int size; 47 }; 48 49 static 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 58 MODULE_DEVICE_TABLE(pci, emu_tbl); 59 60 static int emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 61 { 62 struct emu *emu; 63 struct gameport *port; 64 int error; 65 66 emu = kzalloc(sizeof(struct emu), GFP_KERNEL); 67 port = gameport_allocate_port(); 68 if (!emu || !port) { 69 printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n"); 70 error = -ENOMEM; 71 goto err_out_free; 72 } 73 74 error = pci_enable_device(pdev); 75 if (error) 76 goto err_out_free; 77 78 emu->io = pci_resource_start(pdev, 0); 79 emu->size = pci_resource_len(pdev, 0); 80 81 emu->dev = pdev; 82 emu->gameport = port; 83 84 gameport_set_name(port, "EMU10K1"); 85 gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev)); 86 port->dev.parent = &pdev->dev; 87 port->io = emu->io; 88 89 if (!request_region(emu->io, emu->size, "emu10k1-gp")) { 90 printk(KERN_ERR "emu10k1-gp: unable to grab region 0x%x-0x%x\n", 91 emu->io, emu->io + emu->size - 1); 92 error = -EBUSY; 93 goto err_out_disable_dev; 94 } 95 96 pci_set_drvdata(pdev, emu); 97 98 gameport_register_port(port); 99 100 return 0; 101 102 err_out_disable_dev: 103 pci_disable_device(pdev); 104 err_out_free: 105 gameport_free_port(port); 106 kfree(emu); 107 return error; 108 } 109 110 static void emu_remove(struct pci_dev *pdev) 111 { 112 struct emu *emu = pci_get_drvdata(pdev); 113 114 gameport_unregister_port(emu->gameport); 115 release_region(emu->io, emu->size); 116 kfree(emu); 117 118 pci_disable_device(pdev); 119 } 120 121 static struct pci_driver emu_driver = { 122 .name = "Emu10k1_gameport", 123 .id_table = emu_tbl, 124 .probe = emu_probe, 125 .remove = emu_remove, 126 }; 127 128 module_pci_driver(emu_driver); 129