1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) 2001 Vojtech Pavlik 4 */ 5 6 /* 7 * EMU10k1 - SB Live / Audigy - gameport driver for Linux 8 */ 9 10 /* 11 */ 12 13 #include <asm/io.h> 14 15 #include <linux/module.h> 16 #include <linux/ioport.h> 17 #include <linux/gameport.h> 18 #include <linux/slab.h> 19 #include <linux/pci.h> 20 21 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); 22 MODULE_DESCRIPTION("EMU10k1 gameport driver"); 23 MODULE_LICENSE("GPL"); 24 25 struct emu { 26 struct pci_dev *dev; 27 struct gameport *gameport; 28 int io; 29 int size; 30 }; 31 32 static const struct pci_device_id emu_tbl[] = { 33 34 { 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live gameport */ 35 { 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy gameport */ 36 { 0x1102, 0x7004, PCI_ANY_ID, PCI_ANY_ID }, /* Dell SB Live */ 37 { 0x1102, 0x7005, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy LS gameport */ 38 { 0, } 39 }; 40 41 MODULE_DEVICE_TABLE(pci, emu_tbl); 42 43 static int emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 44 { 45 struct emu *emu; 46 struct gameport *port; 47 int error; 48 49 emu = kzalloc(sizeof(struct emu), GFP_KERNEL); 50 port = gameport_allocate_port(); 51 if (!emu || !port) { 52 printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n"); 53 error = -ENOMEM; 54 goto err_out_free; 55 } 56 57 error = pci_enable_device(pdev); 58 if (error) 59 goto err_out_free; 60 61 emu->io = pci_resource_start(pdev, 0); 62 emu->size = pci_resource_len(pdev, 0); 63 64 emu->dev = pdev; 65 emu->gameport = port; 66 67 gameport_set_name(port, "EMU10K1"); 68 gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev)); 69 port->dev.parent = &pdev->dev; 70 port->io = emu->io; 71 72 if (!request_region(emu->io, emu->size, "emu10k1-gp")) { 73 printk(KERN_ERR "emu10k1-gp: unable to grab region 0x%x-0x%x\n", 74 emu->io, emu->io + emu->size - 1); 75 error = -EBUSY; 76 goto err_out_disable_dev; 77 } 78 79 pci_set_drvdata(pdev, emu); 80 81 gameport_register_port(port); 82 83 return 0; 84 85 err_out_disable_dev: 86 pci_disable_device(pdev); 87 err_out_free: 88 gameport_free_port(port); 89 kfree(emu); 90 return error; 91 } 92 93 static void emu_remove(struct pci_dev *pdev) 94 { 95 struct emu *emu = pci_get_drvdata(pdev); 96 97 gameport_unregister_port(emu->gameport); 98 release_region(emu->io, emu->size); 99 kfree(emu); 100 101 pci_disable_device(pdev); 102 } 103 104 static struct pci_driver emu_driver = { 105 .name = "Emu10k1_gameport", 106 .id_table = emu_tbl, 107 .probe = emu_probe, 108 .remove = emu_remove, 109 }; 110 111 module_pci_driver(emu_driver); 112