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1da177e4 | 1 | /* |
1da177e4 LT |
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 | * 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> | |
1da177e4 LT |
33 | #include <linux/init.h> |
34 | #include <linux/gameport.h> | |
35 | #include <linux/slab.h> | |
36 | #include <linux/pci.h> | |
37 | ||
38 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); | |
39 | MODULE_DESCRIPTION("EMU10k1 gameport driver"); | |
40 | MODULE_LICENSE("GPL"); | |
41 | ||
42 | struct emu { | |
43 | struct pci_dev *dev; | |
44 | struct gameport *gameport; | |
45 | int io; | |
46 | int size; | |
47 | }; | |
48 | ||
a9844b18 | 49 | static const struct pci_device_id emu_tbl[] = { |
1da177e4 LT |
50 | |
51 | { 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live gameport */ | |
52 | { 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy gameport */ | |
53 | { 0x1102, 0x7004, PCI_ANY_ID, PCI_ANY_ID }, /* Dell SB Live */ | |
54 | { 0x1102, 0x7005, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy LS gameport */ | |
55 | { 0, } | |
56 | }; | |
57 | ||
58 | MODULE_DEVICE_TABLE(pci, emu_tbl); | |
59 | ||
60 | static int __devinit emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
61 | { | |
1da177e4 LT |
62 | struct emu *emu; |
63 | struct gameport *port; | |
7aed3fb7 | 64 | int error; |
1da177e4 | 65 | |
a97e148a | 66 | emu = kzalloc(sizeof(struct emu), GFP_KERNEL); |
1da177e4 LT |
67 | port = gameport_allocate_port(); |
68 | if (!emu || !port) { | |
69 | printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n"); | |
7aed3fb7 DT |
70 | error = -ENOMEM; |
71 | goto err_out_free; | |
1da177e4 LT |
72 | } |
73 | ||
7aed3fb7 DT |
74 | error = pci_enable_device(pdev); |
75 | if (error) | |
76 | goto err_out_free; | |
77 | ||
78 | emu->io = pci_resource_start(pdev, 0); | |
79 | emu->size = pci_resource_len(pdev, 0); | |
80 | ||
1da177e4 LT |
81 | emu->dev = pdev; |
82 | emu->gameport = port; | |
83 | ||
84 | gameport_set_name(port, "EMU10K1"); | |
85 | gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev)); | |
86 | port->dev.parent = &pdev->dev; | |
7aed3fb7 DT |
87 | port->io = emu->io; |
88 | ||
89 | if (!request_region(emu->io, emu->size, "emu10k1-gp")) { | |
90 | printk(KERN_ERR "emu10k1-gp: unable to grab region 0x%x-0x%x\n", | |
91 | emu->io, emu->io + emu->size - 1); | |
92 | error = -EBUSY; | |
93 | goto err_out_disable_dev; | |
94 | } | |
1da177e4 LT |
95 | |
96 | pci_set_drvdata(pdev, emu); | |
97 | ||
98 | gameport_register_port(port); | |
99 | ||
100 | return 0; | |
7aed3fb7 DT |
101 | |
102 | err_out_disable_dev: | |
103 | pci_disable_device(pdev); | |
104 | err_out_free: | |
105 | gameport_free_port(port); | |
106 | kfree(emu); | |
107 | return error; | |
1da177e4 LT |
108 | } |
109 | ||
110 | static void __devexit emu_remove(struct pci_dev *pdev) | |
111 | { | |
112 | struct emu *emu = pci_get_drvdata(pdev); | |
113 | ||
114 | gameport_unregister_port(emu->gameport); | |
115 | release_region(emu->io, emu->size); | |
116 | kfree(emu); | |
d345d970 DT |
117 | |
118 | pci_disable_device(pdev); | |
1da177e4 LT |
119 | } |
120 | ||
121 | static struct pci_driver emu_driver = { | |
122 | .name = "Emu10k1_gameport", | |
123 | .id_table = emu_tbl, | |
124 | .probe = emu_probe, | |
125 | .remove = __devexit_p(emu_remove), | |
126 | }; | |
127 | ||
128 | static int __init emu_init(void) | |
129 | { | |
130 | return pci_register_driver(&emu_driver); | |
131 | } | |
132 | ||
133 | static void __exit emu_exit(void) | |
134 | { | |
135 | pci_unregister_driver(&emu_driver); | |
136 | } | |
137 | ||
138 | module_init(emu_init); | |
139 | module_exit(emu_exit); |