patch-2.4.10 linux/drivers/char/joystick/emu10k1-gp.c

• Lines: 126
• Date: Wed Sep 12 15:34:06 2001
• Orig file: v2.4.9/linux/drivers/char/joystick/emu10k1-gp.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/drivers/char/joystick/emu10k1-gp.c linux/drivers/char/joystick/emu10k1-gp.c
@@ -0,0 +1,125 @@
+/*
+ * $Id: emu10k1-gp.c,v 1.2 2001/04/24 07:48:56 vojtech Exp $
+ *
+ *  Copyright (c) 2001 Vojtech Pavlik
+ *
+ *  Sponsored by SuSE
+ */
+
+/*
+ * EMU10k1 - SB Live! - 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, Ucitelska 1576, Prague 8, 182 00 Czech Republic
+ */
+
+#include <asm/io.h>
+
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/gameport.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
+MODULE_LICENSE("GPL");
+
+struct emu {
+	struct pci_dev *dev;
+	struct emu *next;
+	struct gameport gameport;
+	int size;
+};
+	
+static struct pci_device_id emu_tbl[] __devinitdata = {
+	{ 0x1102, 0x7002, PCI_ANY_ID, PCI_ANY_ID }, /* SB Live! gameport */
+	{ 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, emu_tbl);
+
+static int __devinit emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	int ioport, iolen;
+	int rc;
+	struct emu *port;
+        
+	rc = pci_enable_device(pdev);
+	if (rc) {
+		printk(KERN_ERR "emu10k1-gp: Cannot enable emu10k1 gameport (bus %d, devfn %d) error=%d\n",
+			pdev->bus->number, pdev->devfn, rc);
+		return rc;
+	}
+
+	ioport = pci_resource_start(pdev, 0);
+	iolen = pci_resource_len(pdev, 0);
+
+	if (!request_region(ioport, iolen, "emu10k1-gp"))
+		return -EBUSY;
+
+	if (!(port = kmalloc(sizeof(struct emu), GFP_KERNEL))) {
+		printk(KERN_ERR "emu10k1-gp: Memory allocation failed.\n");
+		release_region(ioport, iolen);
+		return -ENOMEM;
+	}
+	memset(port, 0, sizeof(struct emu));
+
+	port->gameport.io = ioport;
+	port->size = iolen;
+	port->dev = pdev;
+	pdev->driver_data = port;
+
+	gameport_register_port(&port->gameport);
+
+	printk(KERN_INFO "gameport%d: Emu10k1 Gameport at %#x size %d speed %d kHz\n",
+		port->gameport.number, port->gameport.io, iolen, port->gameport.speed);
+
+	return 0;
+}
+
+static void __devexit emu_remove(struct pci_dev *pdev)
+{
+	struct emu *port = (struct emu *)pdev->driver_data;
+	gameport_unregister_port(&port->gameport);
+	release_region(port->gameport.io, port->size);
+	kfree(port);
+}
+
+static struct pci_driver emu_driver = {
+        name:           "Emu10k1 Gameport",
+        id_table:       emu_tbl,
+        probe:          emu_probe,
+        remove:         emu_remove,
+};
+
+int __init emu_init(void)
+{
+	return pci_module_init(&emu_driver);
+}
+
+void __exit emu_exit(void)
+{
+	pci_unregister_driver(&emu_driver);
+}
+
+module_init(emu_init);
+module_exit(emu_exit);