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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 | * 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> | |
33 | #include <linux/gameport.h> | |
34 | #include <linux/slab.h> | |
35 | #include <linux/pci.h> | |
36 | ||
37 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); | |
38 | MODULE_DESCRIPTION("EMU10k1 gameport driver"); | |
39 | MODULE_LICENSE("GPL"); | |
40 | ||
41 | struct emu { | |
42 | struct pci_dev *dev; | |
43 | struct gameport *gameport; | |
44 | int io; | |
45 | int size; | |
46 | }; | |
47 | ||
48 | static const struct pci_device_id emu_tbl[] = { | |
49 | ||
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 | ||
57 | MODULE_DEVICE_TABLE(pci, emu_tbl); | |
58 | ||
59 | static int emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
60 | { | |
61 | struct emu *emu; | |
62 | struct gameport *port; | |
63 | int error; | |
64 | ||
65 | emu = kzalloc(sizeof(struct emu), GFP_KERNEL); | |
66 | port = gameport_allocate_port(); | |
67 | if (!emu || !port) { | |
68 | printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n"); | |
69 | error = -ENOMEM; | |
70 | goto err_out_free; | |
71 | } | |
72 | ||
73 | 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 | ||
80 | 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; | |
86 | 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 | } | |
94 | ||
95 | pci_set_drvdata(pdev, emu); | |
96 | ||
97 | gameport_register_port(port); | |
98 | ||
99 | return 0; | |
100 | ||
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; | |
107 | } | |
108 | ||
109 | static void emu_remove(struct pci_dev *pdev) | |
110 | { | |
111 | struct emu *emu = pci_get_drvdata(pdev); | |
112 | ||
113 | gameport_unregister_port(emu->gameport); | |
114 | release_region(emu->io, emu->size); | |
115 | kfree(emu); | |
116 | ||
117 | pci_disable_device(pdev); | |
118 | } | |
119 | ||
120 | static struct pci_driver emu_driver = { | |
121 | .name = "Emu10k1_gameport", | |
122 | .id_table = emu_tbl, | |
123 | .probe = emu_probe, | |
124 | .remove = emu_remove, | |
125 | }; | |
126 | ||
127 | module_pci_driver(emu_driver); |