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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Copyright (c) 2001 Vojtech Pavlik4 */5 6/*7 * EMU10k1 - SB Live / Audigy - gameport driver for Linux8 */9 10#include <asm/io.h>11 12#include <linux/module.h>13#include <linux/ioport.h>14#include <linux/gameport.h>15#include <linux/slab.h>16#include <linux/pci.h>17 18MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");19MODULE_DESCRIPTION("EMU10k1 gameport driver");20MODULE_LICENSE("GPL");21 22struct emu {23 struct pci_dev *dev;24 struct gameport *gameport;25 int io;26 int size;27};28 29static const struct pci_device_id emu_tbl[] = {30 31 { 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live gameport */32 { 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy gameport */33 { 0x1102, 0x7004, PCI_ANY_ID, PCI_ANY_ID }, /* Dell SB Live */34 { 0x1102, 0x7005, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy LS gameport */35 { 0, }36};37 38MODULE_DEVICE_TABLE(pci, emu_tbl);39 40static int emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)41{42 struct emu *emu;43 struct gameport *port;44 int error;45 46 emu = kzalloc(sizeof(*emu), GFP_KERNEL);47 port = gameport_allocate_port();48 if (!emu || !port) {49 printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n");50 error = -ENOMEM;51 goto err_out_free;52 }53 54 error = pci_enable_device(pdev);55 if (error)56 goto err_out_free;57 58 emu->io = pci_resource_start(pdev, 0);59 emu->size = pci_resource_len(pdev, 0);60 61 emu->dev = pdev;62 emu->gameport = port;63 64 gameport_set_name(port, "EMU10K1");65 gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev));66 port->dev.parent = &pdev->dev;67 port->io = emu->io;68 69 if (!request_region(emu->io, emu->size, "emu10k1-gp")) {70 printk(KERN_ERR "emu10k1-gp: unable to grab region 0x%x-0x%x\n",71 emu->io, emu->io + emu->size - 1);72 error = -EBUSY;73 goto err_out_disable_dev;74 }75 76 pci_set_drvdata(pdev, emu);77 78 gameport_register_port(port);79 80 return 0;81 82 err_out_disable_dev:83 pci_disable_device(pdev);84 err_out_free:85 gameport_free_port(port);86 kfree(emu);87 return error;88}89 90static void emu_remove(struct pci_dev *pdev)91{92 struct emu *emu = pci_get_drvdata(pdev);93 94 gameport_unregister_port(emu->gameport);95 release_region(emu->io, emu->size);96 kfree(emu);97 98 pci_disable_device(pdev);99}100 101static struct pci_driver emu_driver = {102 .name = "Emu10k1_gameport",103 .id_table = emu_tbl,104 .probe = emu_probe,105 .remove = emu_remove,106};107 108module_pci_driver(emu_driver);109