1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/*
* Copyright (c) 2001 Vojtech Pavlik
*/
/*
* EMU10k1 - SB Live / Audigy - gameport driver for Linux
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <asm/io.h>
#include <linux/module.h>
#include <linux/ioport.h>
#include <linux/gameport.h>
#include <linux/slab.h>
#include <linux/pci.h>
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("EMU10k1 gameport driver");
MODULE_LICENSE("GPL");
struct emu {
struct pci_dev *dev;
struct gameport *gameport;
int io;
int size;
};
static const struct pci_device_id emu_tbl[] = {
{ 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live gameport */
{ 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy gameport */
{ 0x1102, 0x7004, PCI_ANY_ID, PCI_ANY_ID }, /* Dell SB Live */
{ 0x1102, 0x7005, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy LS gameport */
{ 0, }
};
MODULE_DEVICE_TABLE(pci, emu_tbl);
static int emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct emu *emu;
struct gameport *port;
int error;
emu = kzalloc(sizeof(struct emu), GFP_KERNEL);
port = gameport_allocate_port();
if (!emu || !port) {
printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n");
error = -ENOMEM;
goto err_out_free;
}
error = pci_enable_device(pdev);
if (error)
goto err_out_free;
emu->io = pci_resource_start(pdev, 0);
emu->size = pci_resource_len(pdev, 0);
emu->dev = pdev;
emu->gameport = port;
gameport_set_name(port, "EMU10K1");
gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev));
port->dev.parent = &pdev->dev;
port->io = emu->io;
if (!request_region(emu->io, emu->size, "emu10k1-gp")) {
printk(KERN_ERR "emu10k1-gp: unable to grab region 0x%x-0x%x\n",
emu->io, emu->io + emu->size - 1);
error = -EBUSY;
goto err_out_disable_dev;
}
pci_set_drvdata(pdev, emu);
gameport_register_port(port);
return 0;
err_out_disable_dev:
pci_disable_device(pdev);
err_out_free:
gameport_free_port(port);
kfree(emu);
return error;
}
static void emu_remove(struct pci_dev *pdev)
{
struct emu *emu = pci_get_drvdata(pdev);
gameport_unregister_port(emu->gameport);
release_region(emu->io, emu->size);
kfree(emu);
pci_disable_device(pdev);
}
static struct pci_driver emu_driver = {
.name = "Emu10k1_gameport",
.id_table = emu_tbl,
.probe = emu_probe,
.remove = emu_remove,
};
module_pci_driver(emu_driver);
|
