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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * 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>
Linus Torvalds1da177e2005-04-16 15:20:36 -070033#include <linux/gameport.h>
34#include <linux/slab.h>
35#include <linux/pci.h>
36
37MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
38MODULE_DESCRIPTION("EMU10k1 gameport driver");
39MODULE_LICENSE("GPL");
40
41struct emu {
42 struct pci_dev *dev;
43 struct gameport *gameport;
44 int io;
45 int size;
46};
47
Márton Németha9844b12010-01-09 23:23:58 -080048static const struct pci_device_id emu_tbl[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070049
50 { 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live gameport */
51 { 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy gameport */
52 { 0x1102, 0x7004, PCI_ANY_ID, PCI_ANY_ID }, /* Dell SB Live */
53 { 0x1102, 0x7005, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy LS gameport */
54 { 0, }
55};
56
57MODULE_DEVICE_TABLE(pci, emu_tbl);
58
Bill Pemberton5298cc42012-11-23 21:38:25 -080059static int emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
Linus Torvalds1da177e2005-04-16 15:20:36 -070060{
Linus Torvalds1da177e2005-04-16 15:20:36 -070061 struct emu *emu;
62 struct gameport *port;
Dmitry Torokhov7aed3fb2010-09-29 18:50:17 -070063 int error;
Linus Torvalds1da177e2005-04-16 15:20:36 -070064
Pekka Enberga97e1482005-09-06 15:18:33 -070065 emu = kzalloc(sizeof(struct emu), GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -070066 port = gameport_allocate_port();
67 if (!emu || !port) {
68 printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n");
Dmitry Torokhov7aed3fb2010-09-29 18:50:17 -070069 error = -ENOMEM;
70 goto err_out_free;
Linus Torvalds1da177e2005-04-16 15:20:36 -070071 }
72
Dmitry Torokhov7aed3fb2010-09-29 18:50:17 -070073 error = pci_enable_device(pdev);
74 if (error)
75 goto err_out_free;
76
77 emu->io = pci_resource_start(pdev, 0);
78 emu->size = pci_resource_len(pdev, 0);
79
Linus Torvalds1da177e2005-04-16 15:20:36 -070080 emu->dev = pdev;
81 emu->gameport = port;
82
83 gameport_set_name(port, "EMU10K1");
84 gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev));
85 port->dev.parent = &pdev->dev;
Dmitry Torokhov7aed3fb2010-09-29 18:50:17 -070086 port->io = emu->io;
87
88 if (!request_region(emu->io, emu->size, "emu10k1-gp")) {
89 printk(KERN_ERR "emu10k1-gp: unable to grab region 0x%x-0x%x\n",
90 emu->io, emu->io + emu->size - 1);
91 error = -EBUSY;
92 goto err_out_disable_dev;
93 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070094
95 pci_set_drvdata(pdev, emu);
96
97 gameport_register_port(port);
98
99 return 0;
Dmitry Torokhov7aed3fb2010-09-29 18:50:17 -0700100
101 err_out_disable_dev:
102 pci_disable_device(pdev);
103 err_out_free:
104 gameport_free_port(port);
105 kfree(emu);
106 return error;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107}
108
Bill Pembertone2619cf2012-11-23 21:50:47 -0800109static void emu_remove(struct pci_dev *pdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110{
111 struct emu *emu = pci_get_drvdata(pdev);
112
113 gameport_unregister_port(emu->gameport);
114 release_region(emu->io, emu->size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115 kfree(emu);
Dmitry Torokhovd345d972010-09-29 18:17:16 -0700116
117 pci_disable_device(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118}
119
120static struct pci_driver emu_driver = {
121 .name = "Emu10k1_gameport",
122 .id_table = emu_tbl,
123 .probe = emu_probe,
Bill Pemberton1cb0aa82012-11-23 21:27:39 -0800124 .remove = emu_remove,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125};
126
Axel Lin5d066472012-04-21 23:37:53 -0700127module_pci_driver(emu_driver);