blob: 11bbd1edfdb4aa77c032c959e9452fa8fee2758d [file] [log] [blame]
Thomas Gleixner1a59d1b82019-05-27 08:55:05 +02001// SPDX-License-Identifier: GPL-2.0-or-later
Linus Torvalds1da177e2005-04-16 15:20:36 -07002/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 * Copyright (c) 2001 Vojtech Pavlik
4 */
5
6/*
7 * EMU10k1 - SB Live / Audigy - gameport driver for Linux
8 */
9
10/*
Linus Torvalds1da177e2005-04-16 15:20:36 -070011 */
12
13#include <asm/io.h>
14
15#include <linux/module.h>
16#include <linux/ioport.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070017#include <linux/gameport.h>
18#include <linux/slab.h>
19#include <linux/pci.h>
20
21MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
22MODULE_DESCRIPTION("EMU10k1 gameport driver");
23MODULE_LICENSE("GPL");
24
25struct emu {
26 struct pci_dev *dev;
27 struct gameport *gameport;
28 int io;
29 int size;
30};
31
Márton Németha9844b12010-01-09 23:23:58 -080032static const struct pci_device_id emu_tbl[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070033
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
41MODULE_DEVICE_TABLE(pci, emu_tbl);
42
Bill Pemberton5298cc42012-11-23 21:38:25 -080043static int emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
Linus Torvalds1da177e2005-04-16 15:20:36 -070044{
Linus Torvalds1da177e2005-04-16 15:20:36 -070045 struct emu *emu;
46 struct gameport *port;
Dmitry Torokhov7aed3fb72010-09-29 18:50:17 -070047 int error;
Linus Torvalds1da177e2005-04-16 15:20:36 -070048
Pekka Enberga97e1482005-09-06 15:18:33 -070049 emu = kzalloc(sizeof(struct emu), GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -070050 port = gameport_allocate_port();
51 if (!emu || !port) {
52 printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n");
Dmitry Torokhov7aed3fb72010-09-29 18:50:17 -070053 error = -ENOMEM;
54 goto err_out_free;
Linus Torvalds1da177e2005-04-16 15:20:36 -070055 }
56
Dmitry Torokhov7aed3fb72010-09-29 18:50:17 -070057 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070064 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;
Dmitry Torokhov7aed3fb72010-09-29 18:50:17 -070070 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 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070078
79 pci_set_drvdata(pdev, emu);
80
81 gameport_register_port(port);
82
83 return 0;
Dmitry Torokhov7aed3fb72010-09-29 18:50:17 -070084
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;
Linus Torvalds1da177e2005-04-16 15:20:36 -070091}
92
Bill Pembertone2619cf2012-11-23 21:50:47 -080093static void emu_remove(struct pci_dev *pdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -070094{
95 struct emu *emu = pci_get_drvdata(pdev);
96
97 gameport_unregister_port(emu->gameport);
98 release_region(emu->io, emu->size);
Linus Torvalds1da177e2005-04-16 15:20:36 -070099 kfree(emu);
Dmitry Torokhovd345d972010-09-29 18:17:16 -0700100
101 pci_disable_device(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102}
103
104static struct pci_driver emu_driver = {
105 .name = "Emu10k1_gameport",
106 .id_table = emu_tbl,
107 .probe = emu_probe,
Bill Pemberton1cb0aa82012-11-23 21:27:39 -0800108 .remove = emu_remove,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109};
110
Axel Lin5d066472012-04-21 23:37:53 -0700111module_pci_driver(emu_driver);