cregit-Linux how code gets into the kernel

Release 4.11 drivers/input/gameport/emu10k1-gp.c

/*
 *  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
 *
 * Should you need to contact me, the author, you can do so either by
 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
 */

#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; }

Contributors

PersonTokensPropCommitsCommitProp
Dmitry Torokhov14861.41%222.22%
Linus Torvalds6326.14%333.33%
Vojtech Pavlik2510.37%222.22%
Rahul Ruikar41.66%111.11%
Pekka J Enberg10.41%111.11%
Total241100.00%9100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds3877.55%240.00%
Dmitry Torokhov48.16%120.00%
Vojtech Pavlik48.16%120.00%
Rahul Ruikar36.12%120.00%
Total49100.00%5100.00%

static struct pci_driver emu_driver = { .name = "Emu10k1_gameport", .id_table = emu_tbl, .probe = emu_probe, .remove = emu_remove, }; module_pci_driver(emu_driver);

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds19644.24%316.67%
Dmitry Torokhov15735.44%422.22%
Vojtech Pavlik6614.90%422.22%
James Courtier-Dutton112.48%15.56%
Rahul Ruikar71.58%15.56%
Axel Lin20.45%15.56%
Márton Németh10.23%15.56%
Pekka J Enberg10.23%15.56%
Adrian Bunk10.23%15.56%
Deepak Saxena10.23%15.56%
Greg Kroah-Hartman0.00%00.00%
Total443100.00%18100.00%
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