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Message-ID: <20100108033215.447c814e@rechenknecht2k7>
Date: Fri, 8 Jan 2010 03:32:15 +0100
From: Benjamin Valentin <benpicco@...at.fu-berlin.de>
To: linux-kernel@...r.kernel.org
Subject: [PATCH] drivers/input/joystick/xpad.c: Add rumble support for
original xbox controller
This will add rumble support for xbox 1 compatible controllers.
I am wondering why XTYPE_XBOX360W is excluded from the rumbling action,
however as I have no device to test, I have not touched this.
--- /usr/src/linux-source-2.6.33/drivers/input/joystick/xpad.c 2010-01-08 02:56:59.365851076 +0100
+++ xpad.c 2010-01-08 03:13:38.477835651 +0100
@@ -505,7 +505,7 @@
struct usb_endpoint_descriptor *ep_irq_out;
int error = -ENOMEM;
- if (xpad->xtype != XTYPE_XBOX360)
+ if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX)
return 0;
xpad->odata = usb_buffer_alloc(xpad->udev, XPAD_PKT_LEN,
@@ -535,13 +535,13 @@
static void xpad_stop_output(struct usb_xpad *xpad)
{
- if (xpad->xtype == XTYPE_XBOX360)
+ if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype != XTYPE_XBOX)
usb_kill_urb(xpad->irq_out);
}
static void xpad_deinit_output(struct usb_xpad *xpad)
{
- if (xpad->xtype == XTYPE_XBOX360) {
+ if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype != XTYPE_XBOX) {
usb_free_urb(xpad->irq_out);
usb_buffer_free(xpad->udev, XPAD_PKT_LEN,
xpad->odata, xpad->odata_dma);
@@ -554,24 +554,43 @@
#endif
#ifdef CONFIG_JOYSTICK_XPAD_FF
-static int xpad_play_effect(struct input_dev *dev, void *data,
- struct ff_effect *effect)
+static int xpad_send_rumble(struct usb_xpad *xpad, unsigned char left, unsigned char right) {
+ switch(xpad->xtype) {
+ case XTYPE_XBOX:
+ xpad->odata[0] = 0x00;
+ xpad->odata[1] = 0x06;
+ xpad->odata[2] = 0x00;
+ xpad->odata[3] = left; // left actuator
+ xpad->odata[4] = 0x00;
+ xpad->odata[5] = right; // right actuator
+ xpad->irq_out->transfer_buffer_length = 6;
+ return usb_submit_urb(xpad->irq_out, GFP_KERNEL);
+ case XTYPE_XBOX360:
+ xpad->odata[0] = 0x00;
+ xpad->odata[1] = 0x08;
+ xpad->odata[2] = 0x00;
+ xpad->odata[3] = left; // left actuator?
+ xpad->odata[4] = right; // right actuator?
+ xpad->odata[5] = 0x00;
+ xpad->odata[6] = 0x00;
+ xpad->odata[7] = 0x00;
+ xpad->irq_out->transfer_buffer_length = 8;
+ return usb_submit_urb(xpad->irq_out, GFP_KERNEL);
+ default:
+ dbg("%s - rumble command sent to unsupported xpad type: %d",
+ __func__, xpad->xtype);
+ return 0;
+ }
+}
+
+static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect)
{
struct usb_xpad *xpad = input_get_drvdata(dev);
if (effect->type == FF_RUMBLE) {
- __u16 strong = effect->u.rumble.strong_magnitude;
- __u16 weak = effect->u.rumble.weak_magnitude;
- xpad->odata[0] = 0x00;
- xpad->odata[1] = 0x08;
- xpad->odata[2] = 0x00;
- xpad->odata[3] = strong / 256;
- xpad->odata[4] = weak / 256;
- xpad->odata[5] = 0x00;
- xpad->odata[6] = 0x00;
- xpad->odata[7] = 0x00;
- xpad->irq_out->transfer_buffer_length = 8;
- usb_submit_urb(xpad->irq_out, GFP_KERNEL);
+ unsigned char strong = effect->u.rumble.strong_magnitude / 256;
+ unsigned char weak = effect->u.rumble.weak_magnitude / 256;
+ xpad_send_rumble(xpad, strong, weak);
}
return 0;
@@ -579,7 +598,7 @@
static int xpad_init_ff(struct usb_xpad *xpad)
{
- if (xpad->xtype != XTYPE_XBOX360)
+ if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX)
return 0;
input_set_capability(xpad->dev, EV_FF, FF_RUMBLE);
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