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1da177e4 LT |
1 | /* |
2 | * $Id: emu10k1-gp.c,v 1.8 2002/01/22 20:40:46 vojtech Exp $ | |
3 | * | |
4 | * Copyright (c) 2001 Vojtech Pavlik | |
5 | */ | |
6 | ||
7 | /* | |
8 | * EMU10k1 - SB Live / Audigy - gameport driver for Linux | |
9 | */ | |
10 | ||
11 | /* | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
25 | * | |
26 | * Should you need to contact me, the author, you can do so either by | |
27 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: | |
28 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic | |
29 | */ | |
30 | ||
31 | #include <asm/io.h> | |
32 | ||
33 | #include <linux/module.h> | |
34 | #include <linux/ioport.h> | |
35 | #include <linux/config.h> | |
36 | #include <linux/init.h> | |
37 | #include <linux/gameport.h> | |
38 | #include <linux/slab.h> | |
39 | #include <linux/pci.h> | |
40 | ||
41 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); | |
42 | MODULE_DESCRIPTION("EMU10k1 gameport driver"); | |
43 | MODULE_LICENSE("GPL"); | |
44 | ||
45 | struct emu { | |
46 | struct pci_dev *dev; | |
47 | struct gameport *gameport; | |
48 | int io; | |
49 | int size; | |
50 | }; | |
51 | ||
52 | static struct pci_device_id emu_tbl[] = { | |
53 | ||
54 | { 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live gameport */ | |
55 | { 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy gameport */ | |
56 | { 0x1102, 0x7004, PCI_ANY_ID, PCI_ANY_ID }, /* Dell SB Live */ | |
57 | { 0x1102, 0x7005, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy LS gameport */ | |
58 | { 0, } | |
59 | }; | |
60 | ||
61 | MODULE_DEVICE_TABLE(pci, emu_tbl); | |
62 | ||
63 | static int __devinit emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
64 | { | |
65 | int ioport, iolen; | |
66 | struct emu *emu; | |
67 | struct gameport *port; | |
68 | ||
69 | if (pci_enable_device(pdev)) | |
70 | return -EBUSY; | |
71 | ||
72 | ioport = pci_resource_start(pdev, 0); | |
73 | iolen = pci_resource_len(pdev, 0); | |
74 | ||
75 | if (!request_region(ioport, iolen, "emu10k1-gp")) | |
76 | return -EBUSY; | |
77 | ||
78 | emu = kcalloc(1, sizeof(struct emu), GFP_KERNEL); | |
79 | port = gameport_allocate_port(); | |
80 | if (!emu || !port) { | |
81 | printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n"); | |
82 | release_region(ioport, iolen); | |
83 | kfree(emu); | |
84 | gameport_free_port(port); | |
85 | return -ENOMEM; | |
86 | } | |
87 | ||
88 | emu->io = ioport; | |
89 | emu->size = iolen; | |
90 | emu->dev = pdev; | |
91 | emu->gameport = port; | |
92 | ||
93 | gameport_set_name(port, "EMU10K1"); | |
94 | gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev)); | |
95 | port->dev.parent = &pdev->dev; | |
96 | port->io = ioport; | |
97 | ||
98 | pci_set_drvdata(pdev, emu); | |
99 | ||
100 | gameport_register_port(port); | |
101 | ||
102 | return 0; | |
103 | } | |
104 | ||
105 | static void __devexit 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 | ||
114 | static struct pci_driver emu_driver = { | |
115 | .name = "Emu10k1_gameport", | |
116 | .id_table = emu_tbl, | |
117 | .probe = emu_probe, | |
118 | .remove = __devexit_p(emu_remove), | |
119 | }; | |
120 | ||
121 | static int __init emu_init(void) | |
122 | { | |
123 | return pci_register_driver(&emu_driver); | |
124 | } | |
125 | ||
126 | static void __exit emu_exit(void) | |
127 | { | |
128 | pci_unregister_driver(&emu_driver); | |
129 | } | |
130 | ||
131 | module_init(emu_init); | |
132 | module_exit(emu_exit); |