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
25#include <asm/io.h>
26
27#include <linux/module.h>
28#include <linux/ioport.h>
29#include <linux/gameport.h>
30#include <linux/slab.h>
31#include <linux/pci.h>
32
33MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
34MODULE_DESCRIPTION("EMU10k1 gameport driver");
35MODULE_LICENSE("GPL");
36
37struct emu {
38 struct pci_dev *dev;
39 struct gameport *gameport;
40 int io;
41 int size;
42};
43
44static const struct pci_device_id emu_tbl[] = {
45
46 { 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live gameport */
47 { 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy gameport */
48 { 0x1102, 0x7004, PCI_ANY_ID, PCI_ANY_ID }, /* Dell SB Live */
49 { 0x1102, 0x7005, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy LS gameport */
50 { 0, }
51};
52
53MODULE_DEVICE_TABLE(pci, emu_tbl);
54
55static int emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
56{
57 struct emu *emu;
58 struct gameport *port;
59 int error;
60
61 emu = kzalloc(sizeof(struct emu), GFP_KERNEL);
62 port = gameport_allocate_port();
63 if (!emu || !port) {
64 printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n");
65 error = -ENOMEM;
66 goto err_out_free;
67 }
68
69 error = pci_enable_device(pdev);
70 if (error)
71 goto err_out_free;
72
73 emu->io = pci_resource_start(pdev, 0);
74 emu->size = pci_resource_len(pdev, 0);
75
76 emu->dev = pdev;
77 emu->gameport = port;
78
79 gameport_set_name(port, "EMU10K1");
80 gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev));
81 port->dev.parent = &pdev->dev;
82 port->io = emu->io;
83
84 if (!request_region(emu->io, emu->size, "emu10k1-gp")) {
85 printk(KERN_ERR "emu10k1-gp: unable to grab region 0x%x-0x%x\n",
86 emu->io, emu->io + emu->size - 1);
87 error = -EBUSY;
88 goto err_out_disable_dev;
89 }
90
91 pci_set_drvdata(pdev, emu);
92
93 gameport_register_port(port);
94
95 return 0;
96
97 err_out_disable_dev:
98 pci_disable_device(pdev);
99 err_out_free:
100 gameport_free_port(port);
101 kfree(emu);
102 return error;
103}
104
105static void emu_remove(struct pci_dev *pdev)
106{
107 struct emu *emu = pci_get_drvdata(pdev);
108
109 gameport_unregister_port(emu->gameport);
110 release_region(emu->io, emu->size);
111 kfree(emu);
112
113 pci_disable_device(pdev);
114}
115
116static struct pci_driver emu_driver = {
117 .name = "Emu10k1_gameport",
118 .id_table = emu_tbl,
119 .probe = emu_probe,
120 .remove = emu_remove,
121};
122
123module_pci_driver(emu_driver);
124