patch-2.2.18 linux/drivers/usb/wmforce.c

• Lines: 191
• Date: Fri Sep 1 13:51:30 2000
• Orig file: v2.2.17/drivers/usb/wmforce.c
• Orig date: Thu Jan 1 01:00:00 1970

diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.17/drivers/usb/wmforce.c linux/drivers/usb/wmforce.c
@@ -0,0 +1,190 @@
+/*
+ * $Id: wmforce.c,v 1.6 2000/05/29 09:01:52 vojtech Exp $
+ *
+ *  Copyright (c) 2000 Vojtech Pavlik
+ *
+ *  USB Logitech WingMan Force joystick support
+ *
+ *  Sponsored by SuSE
+ */
+
+/*
+ * 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@suse.cz>, or by paper mail:
+ * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
+ */
+
+#include <linux/kernel.h>
+#include <linux/malloc.h>
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/usb.h>
+
+MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
+
+#define USB_VENDOR_ID_LOGITECH		0x046d
+#define USB_DEVICE_ID_LOGITECH_WMFORCE	0xc281
+
+struct wmforce {
+	signed char data[8];
+	struct input_dev dev;
+	struct urb irq;
+	int open;
+};
+
+static struct {
+        __s32 x;
+        __s32 y;
+} wmforce_hat_to_axis[16] = {{ 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
+
+static char *wmforce_name = "Logitech WingMan Force";
+
+static void wmforce_irq(struct urb *urb)
+{
+	struct wmforce *wmforce = urb->context;
+	unsigned char *data = wmforce->data;
+	struct input_dev *dev = &wmforce->dev;
+
+	if (urb->status) return;
+
+	if (data[0] != 1) {
+		if (data[0] != 2)
+			warn("received unknown report #%d", data[0]);
+		return;
+	}
+
+	input_report_abs(dev, ABS_X, (__s16) (((__s16)data[2] << 8) | data[1]));
+	input_report_abs(dev, ABS_Y, (__s16) (((__s16)data[4] << 8) | data[3]));
+	input_report_abs(dev, ABS_THROTTLE, data[5]);
+	input_report_abs(dev, ABS_HAT0X, wmforce_hat_to_axis[data[7] >> 4].x);
+	input_report_abs(dev, ABS_HAT0Y, wmforce_hat_to_axis[data[7] >> 4].y);
+
+	input_report_key(dev, BTN_TRIGGER, data[6] & 0x01);
+	input_report_key(dev, BTN_TOP,     data[6] & 0x02);
+	input_report_key(dev, BTN_THUMB,   data[6] & 0x04);
+	input_report_key(dev, BTN_TOP2,    data[6] & 0x08);
+	input_report_key(dev, BTN_BASE,    data[6] & 0x10);
+	input_report_key(dev, BTN_BASE2,   data[6] & 0x20);
+	input_report_key(dev, BTN_BASE3,   data[6] & 0x40);
+	input_report_key(dev, BTN_BASE4,   data[6] & 0x80);
+	input_report_key(dev, BTN_BASE5,   data[7] & 0x01);
+}
+
+static int wmforce_open(struct input_dev *dev)
+{
+	struct wmforce *wmforce = dev->private;
+
+	if (wmforce->open++)
+		return 0;
+
+	if (usb_submit_urb(&wmforce->irq))
+		return -EIO;
+
+	return 0;
+}
+
+static void wmforce_close(struct input_dev *dev)
+{
+	struct wmforce *wmforce = dev->private;
+
+	if (!--wmforce->open)
+		usb_unlink_urb(&wmforce->irq);
+}
+
+static void *wmforce_probe(struct usb_device *dev, unsigned int ifnum)
+{
+	struct usb_endpoint_descriptor *endpoint;
+	struct wmforce *wmforce;
+	int i;
+
+	if (dev->descriptor.idVendor != USB_VENDOR_ID_LOGITECH ||
+	    dev->descriptor.idProduct != USB_DEVICE_ID_LOGITECH_WMFORCE)
+		return NULL;
+
+	endpoint = dev->config[0].interface[ifnum].altsetting[0].endpoint + 0;
+
+	if (!(wmforce = kmalloc(sizeof(struct wmforce), GFP_KERNEL))) return NULL;
+	memset(wmforce, 0, sizeof(struct wmforce));
+
+	wmforce->dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	wmforce->dev.keybit[LONG(BTN_JOYSTICK)] = BIT(BTN_TRIGGER) | BIT(BTN_TOP) | BIT(BTN_THUMB) | BIT(BTN_TOP2) |
+					BIT(BTN_BASE) | BIT(BTN_BASE2) | BIT(BTN_BASE3) | BIT(BTN_BASE4) | BIT(BTN_BASE5);
+	wmforce->dev.absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_THROTTLE) | BIT(ABS_HAT0X) | BIT(ABS_HAT0Y);
+
+	for (i = ABS_X; i <= ABS_Y; i++) {
+		wmforce->dev.absmax[i] =  1920;
+		wmforce->dev.absmin[i] = -1920;
+		wmforce->dev.absflat[i] = 128;
+	}
+
+	wmforce->dev.absmax[ABS_THROTTLE] = 255;
+	wmforce->dev.absmin[ABS_THROTTLE] = 0;
+
+	for (i = ABS_HAT0X; i <= ABS_HAT0Y; i++) {
+		wmforce->dev.absmax[i] =  1;
+		wmforce->dev.absmin[i] = -1;
+	}
+
+	wmforce->dev.private = wmforce;
+	wmforce->dev.open = wmforce_open;
+	wmforce->dev.close = wmforce_close;
+
+	wmforce->dev.name = wmforce_name;
+	wmforce->dev.idbus = BUS_USB;
+	wmforce->dev.idvendor = dev->descriptor.idVendor;
+	wmforce->dev.idproduct = dev->descriptor.idProduct;
+	wmforce->dev.idversion = dev->descriptor.bcdDevice;
+
+	FILL_INT_URB(&wmforce->irq, dev, usb_rcvintpipe(dev, endpoint->bEndpointAddress),
+			wmforce->data, 8, wmforce_irq, wmforce, endpoint->bInterval);
+
+	input_register_device(&wmforce->dev);
+
+	printk(KERN_INFO "input%d: %s on usb%d:%d.%d\n",
+		 wmforce->dev.number, wmforce_name, dev->bus->busnum, dev->devnum, ifnum);
+
+	return wmforce;
+}
+
+static void wmforce_disconnect(struct usb_device *dev, void *ptr)
+{
+	struct wmforce *wmforce = ptr;
+	usb_unlink_urb(&wmforce->irq);
+	input_unregister_device(&wmforce->dev);
+	kfree(wmforce);
+}
+
+static struct usb_driver wmforce_driver = {
+	name:		"wmforce",
+	probe:		wmforce_probe,
+	disconnect:	wmforce_disconnect,
+};
+
+static int __init wmforce_init(void)
+{
+	usb_register(&wmforce_driver);
+	return 0;
+}
+
+static void __exit wmforce_exit(void)
+{
+	usb_deregister(&wmforce_driver);
+}
+
+module_init(wmforce_init);
+module_exit(wmforce_exit);