mirror of https://gitee.com/openkylin/linux.git
128 lines
3.2 KiB
C
128 lines
3.2 KiB
C
/*
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* Copyright (c) 2001 Vojtech Pavlik
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*/
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/*
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* EMU10k1 - SB Live / Audigy - gameport driver for Linux
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*/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Should you need to contact me, the author, you can do so either by
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* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
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* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
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*/
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#include <asm/io.h>
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#include <linux/module.h>
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#include <linux/ioport.h>
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#include <linux/gameport.h>
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#include <linux/slab.h>
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#include <linux/pci.h>
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MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
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MODULE_DESCRIPTION("EMU10k1 gameport driver");
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MODULE_LICENSE("GPL");
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struct emu {
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struct pci_dev *dev;
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struct gameport *gameport;
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int io;
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int size;
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};
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static const struct pci_device_id emu_tbl[] = {
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{ 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live gameport */
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{ 0x1102, 0x7003, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy gameport */
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{ 0x1102, 0x7004, PCI_ANY_ID, PCI_ANY_ID }, /* Dell SB Live */
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{ 0x1102, 0x7005, PCI_ANY_ID, PCI_ANY_ID }, /* Audigy LS gameport */
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{ 0, }
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};
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MODULE_DEVICE_TABLE(pci, emu_tbl);
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static int emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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{
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struct emu *emu;
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struct gameport *port;
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int error;
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emu = kzalloc(sizeof(struct emu), GFP_KERNEL);
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port = gameport_allocate_port();
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if (!emu || !port) {
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printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n");
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error = -ENOMEM;
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goto err_out_free;
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}
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error = pci_enable_device(pdev);
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if (error)
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goto err_out_free;
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emu->io = pci_resource_start(pdev, 0);
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emu->size = pci_resource_len(pdev, 0);
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emu->dev = pdev;
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emu->gameport = port;
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gameport_set_name(port, "EMU10K1");
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gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev));
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port->dev.parent = &pdev->dev;
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port->io = emu->io;
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if (!request_region(emu->io, emu->size, "emu10k1-gp")) {
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printk(KERN_ERR "emu10k1-gp: unable to grab region 0x%x-0x%x\n",
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emu->io, emu->io + emu->size - 1);
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error = -EBUSY;
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goto err_out_disable_dev;
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}
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pci_set_drvdata(pdev, emu);
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gameport_register_port(port);
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return 0;
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err_out_disable_dev:
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pci_disable_device(pdev);
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err_out_free:
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gameport_free_port(port);
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kfree(emu);
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return error;
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}
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static void emu_remove(struct pci_dev *pdev)
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{
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struct emu *emu = pci_get_drvdata(pdev);
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gameport_unregister_port(emu->gameport);
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release_region(emu->io, emu->size);
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kfree(emu);
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pci_disable_device(pdev);
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}
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static struct pci_driver emu_driver = {
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.name = "Emu10k1_gameport",
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.id_table = emu_tbl,
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.probe = emu_probe,
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.remove = emu_remove,
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};
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module_pci_driver(emu_driver);
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