[Android Q&A, Help & Troubleshooting] Poutrator:
edit

Just to precise, there is the correct reference in my xpad.c file :

{ 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 },

Full file to save you time :

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/module.h>
#include <linux/usb/input.h>

#define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>"
#define DRIVER_DESC "X-Box pad driver"

#define XPAD_PKT_LEN 32

/* xbox d-pads should map to buttons, as is required for DDR pads
but we map them to axes when possible to simplify things */
#define MAP_DPAD_TO_BUTTONS	(1 << 0)
#define MAP_TRIGGERS_TO_BUTTONS	(1 << 1)
#define MAP_STICKS_TO_NULL	(1 << 2)
#define DANCEPAD_MAP_CONFIG	(MAP_DPAD_TO_BUTTONS |	\
MAP_TRIGGERS_TO_BUTTONS | MAP_STICKS_TO_NULL)

#define XTYPE_XBOX 0
#define XTYPE_XBOX360 1
#define XTYPE_XBOX360W 2
#define XTYPE_UNKNOWN 3

static int dpad_to_buttons;
module_param(dpad_to_buttons, bool, S_IRUGO);
MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads");

static int triggers_to_buttons;
module_param(triggers_to_buttons, bool, S_IRUGO);
MODULE_PARM_DESC(triggers_to_buttons, "Map triggers to buttons rather than axes for unknown pads");

static int sticks_to_null;
module_param(sticks_to_null, bool, S_IRUGO);
MODULE_PARM_DESC(sticks_to_null, "Do not map sticks at all for unknown pads");

static const struct xpad_device {
u16 idVendor;
u16 idProduct;
char *name;
u8 mapping;
u8 xtype;
} xpad_device[] = {
{ 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", 0, XTYPE_XBOX },
{ 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", 0, XTYPE_XBOX },
{ 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", 0, XTYPE_XBOX },
{ 0x045e, 0x0287, "Microsoft Xbox Controller S", 0, XTYPE_XBOX },
{ 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
{ 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", DANCEPAD_MAP_CONFIG, XTYPE_XBOX },
{ 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
{ 0x046d, 0xc242, "Logitech Chillstream Controller", 0, XTYPE_XBOX360 },
{ 0x046d, 0xca84, "Logitech Xbox Cordless Controller", 0, XTYPE_XBOX },
{ 0x046d, 0xca88, "Logitech Compact Controller for Xbox", 0, XTYPE_XBOX },
{ 0x05fd, 0x1007, "Mad Catz Controller (unverified)", 0, XTYPE_XBOX },
{ 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", 0, XTYPE_XBOX },
{ 0x0738, 0x4516, "Mad Catz Control Pad", 0, XTYPE_XBOX },
{ 0x0738, 0x4522, "Mad Catz LumiCON", 0, XTYPE_XBOX },
{ 0x0738, 0x4526, "Mad Catz Control Pad Pro", 0, XTYPE_XBOX },
{ 0x0738, 0x4536, "Mad Catz MicroCON", 0, XTYPE_XBOX },
{ 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
{ 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", 0, XTYPE_XBOX },
{ 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", 0, XTYPE_XBOX360 },
{ 0x0738, 0x4738, "Mad Catz Wired Xbox 360 Controller (SFIV)", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
{ 0x0c12, 0x8802, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
{ 0x0c12, 0x880a, "Pelican Eclipse PL-2023", 0, XTYPE_XBOX },
{ 0x0c12, 0x8810, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
{ 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", 0, XTYPE_XBOX },
{ 0x0d2f, 0x0002, "Andamiro Pump It Up pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
{ 0x0e4c, 0x1097, "Radica Gamester Controller", 0, XTYPE_XBOX },
{ 0x0e4c, 0x2390, "Radica Games Jtech Controller", 0, XTYPE_XBOX },
{ 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", 0, XTYPE_XBOX },
{ 0x0e6f, 0x0005, "Eclipse wireless Controller", 0, XTYPE_XBOX },
{ 0x0e6f, 0x0006, "Edge wireless Controller", 0, XTYPE_XBOX },
{ 0x0e6f, 0x0006, "Pelican 'TSZ' Wired Xbox 360 Controller", 0, XTYPE_XBOX360 },
{ 0x0e6f, 0x0201, "Pelican PL-3601 'TSZ' Wired Xbox 360 Controller", 0, XTYPE_XBOX360 },
{ 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", 0, XTYPE_XBOX },
{ 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX },
{ 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX },
{ 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", 0, XTYPE_XBOX },
{ 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
{ 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", 0, XTYPE_XBOX360 },
{ 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
{ 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 },
{ 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 },
{ 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x0f0d, 0x000d, "Hori Fighting Stick EX2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
{ 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX },
{ 0x0000, 0x0000, "Generic X-Box pad", 0, XTYPE_UNKNOWN }
};

/* buttons shared with xbox and xbox360 */
static const signed short xpad_common_btn[] = {
BTN_A, BTN_B, BTN_X, BTN_Y,	/* "analog" buttons */
BTN_START, BTN_SELECT, BTN_THUMBL, BTN_THUMBR,	/* start/back/sticks */
-1	/* terminating entry */
};

/* original xbox controllers only */
static const signed short xpad_btn[] = {
BTN_C, BTN_Z,	/* "analog" buttons */
-1	/* terminating entry */
};

/* used when dpad is mapped to buttons */
static const signed short xpad_btn_pad[] = {
BTN_TRIGGER_HAPPY1, BTN_TRIGGER_HAPPY2,	/* d-pad left, right */
BTN_TRIGGER_HAPPY3, BTN_TRIGGER_HAPPY4,	/* d-pad up, down */
-1	/* terminating entry */
};

/* used when triggers are mapped to buttons */
static const signed short xpad_btn_triggers[] = {
BTN_TL2, BTN_TR2,	/* triggers left/right */
-1
};

static const signed short xpad360_btn[] = { /* buttons for x360 controller */
BTN_TL, BTN_TR,	/* Button LB/RB */
BTN_MODE,	/* The big X button */
-1
};

static const signed short xpad_abs[] = {
ABS_X, ABS_Y,	/* left stick */
ABS_RX, ABS_RY,	/* right stick */
-1	/* terminating entry */
};

/* used when dpad is mapped to axes */
static const signed short xpad_abs_pad[] = {
ABS_HAT0X, ABS_HAT0Y,	/* d-pad axes */
-1	/* terminating entry */
};

/* used when triggers are mapped to axes */
static const signed short xpad_abs_triggers[] = {
ABS_Z, ABS_RZ,	/* triggers left/right */
-1
};

/* Xbox 360 has a vendor-specific class, so we cannot match it with only
* USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we
* match against vendor id as well. Wired Xbox 360 devices have protocol 1,
* wireless controllers have protocol 129. */
#define XPAD_XBOX360_VENDOR_PROTOCOL(vend,pr) \
.match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \
.idVendor = (vend), \
.bInterfaceClass = USB_CLASS_VENDOR_SPEC, \
.bInterfaceSubClass = 93, \
.bInterfaceProtocol = (pr)
#define XPAD_XBOX360_VENDOR(vend) \
{ XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \
{ XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) }

static struct usb_device_id xpad_table [] = {
{ USB_INTERFACE_INFO('X', 'B', 0) },	/* X-Box USB-IF not approved class */
XPAD_XBOX360_VENDOR(0x045e),	/* Microsoft X-Box 360 controllers */
XPAD_XBOX360_VENDOR(0x046d),	/* Logitech X-Box 360 style controllers */
XPAD_XBOX360_VENDOR(0x0738),	/* Mad Catz X-Box 360 controllers */
XPAD_XBOX360_VENDOR(0x0e6f),	/* 0x0e6f X-Box 360 controllers */
XPAD_XBOX360_VENDOR(0x1430),	/* RedOctane X-Box 360 controllers */
XPAD_XBOX360_VENDOR(0x146b),	/* BigBen Interactive Controllers */
XPAD_XBOX360_VENDOR(0x1bad),	/* Rock Band Drums */
XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */
{ }
};

MODULE_DEVICE_TABLE (usb, xpad_table);

struct usb_xpad {
struct input_dev *dev;	/* input device interface */
struct usb_device *udev;	/* usb device */

int pad_present;

struct urb *irq_in;	/* urb for interrupt in report */
unsigned char *idata;	/* input data */
dma_addr_t idata_dma;

struct urb *bulk_out;
unsigned char *bdata;

#if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS)
struct urb *irq_out;	/* urb for interrupt out report */
unsigned char *odata;	/* output data */
dma_addr_t odata_dma;
struct mutex odata_mutex;
#endif

#if defined(CONFIG_JOYSTICK_XPAD_LEDS)
struct xpad_led *led;
#endif

char phys[64];	/* physical device path */

int mapping;	/* map d-pad to buttons or to axes */
int xtype;	/* type of xbox device */
};

/*
*	xpad_process_packet
*
*	Completes a request by converting the data into events for the
*	input subsystem.
*
*	The used report descriptor was taken from ITO Takayukis website:
*	http://euc.jp/periphs/xbox-controller.ja.html
*/

static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
{
struct input_dev *dev = xpad->dev;

if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
/* left stick */
input_report_abs(dev, ABS_X,
(__s16) le16_to_cpup((__le16 *)(data + 12)));
input_report_abs(dev, ABS_Y,
~(__s16) le16_to_cpup((__le16 *)(data + 14)));

/* right stick */
input_report_abs(dev, ABS_RX,
(__s16) le16_to_cpup((__le16 *)(data + 16)));
input_report_abs(dev, ABS_RY,
~(__s16) le16_to_cpup((__le16 *)(data + 18)));
}

/* triggers left/right */
if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
input_report_key(dev, BTN_TL2, data[10]);
input_report_key(dev, BTN_TR2, data[11]);
} else {
input_report_abs(dev, ABS_Z, data[10]);
input_report_abs(dev, ABS_RZ, data[11]);
}

/* digital pad */
if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
/* dpad as buttons (left, right, up, down) */
input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & 0x04);
input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & 0x08);
input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & 0x01);
input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & 0x02);
} else {
input_report_abs(dev, ABS_HAT0X,
!!(data[2] & 0x08) - !!(data[2] & 0x04));
input_report_abs(dev, ABS_HAT0Y,
!!(data[2] & 0x02) - !!(data[2] & 0x01));
}

/* start/back buttons and stick press left/right */
input_report_key(dev, BTN_START, data[2] & 0x10);
input_report_key(dev, BTN_SELECT, data[2] & 0x20);
input_report_key(dev, BTN_THUMBL, data[2] & 0x40);
input_report_key(dev, BTN_THUMBR, data[2] & 0x80);

/* "analog" buttons A, B, X, Y */
input_report_key(dev, BTN_A, data[4]);
input_report_key(dev, BTN_B, data[5]);
input_report_key(dev, BTN_X, data[6]);
input_report_key(dev, BTN_Y, data[7]);

/* "analog" buttons black, white */
input_report_key(dev, BTN_C, data[8]);
input_report_key(dev, BTN_Z, data[9]);

input_sync(dev);
}

/*
*	xpad360_process_packet
*
*	Completes a request by converting the data into events for the
*	input subsystem. It is version for xbox 360 controller
*
*	The used report descriptor was taken from:
*	http://www.free60.org/wiki/Gamepad
*/

static void xpad360_process_packet(struct usb_xpad *xpad,
u16 cmd, unsigned char *data)
{
struct input_dev *dev = xpad->dev;

/* digital pad */
if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
/* dpad as buttons (left, right, up, down) */
input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & 0x04);
input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & 0x08);
input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & 0x01);
input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & 0x02);
} else {
input_report_abs(dev, ABS_HAT0X,
!!(data[2] & 0x08) - !!(data[2] & 0x04));
input_report_abs(dev, ABS_HAT0Y,
!!(data[2] & 0x02) - !!(data[2] & 0x01));
}

/* start/back buttons */
input_report_key(dev, BTN_START, data[2] & 0x10);
input_report_key(dev, BTN_SELECT, data[2] & 0x20);

/* stick press left/right */
input_report_key(dev, BTN_THUMBL, data[2] & 0x40);
input_report_key(dev, BTN_THUMBR, data[2] & 0x80);

/* buttons A,B,X,Y,TL,TR and MODE */
input_report_key(dev, BTN_A,	data[3] & 0x10);
input_report_key(dev, BTN_B,	data[3] & 0x20);
input_report_key(dev, BTN_X,	data[3] & 0x40);
input_report_key(dev, BTN_Y,	data[3] & 0x80);
input_report_key(dev, BTN_TL,	data[3] & 0x01);
input_report_key(dev, BTN_TR,	data[3] & 0x02);
input_report_key(dev, BTN_MODE,	data[3] & 0x04);

if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
/* left stick */
input_report_abs(dev, ABS_X,
(__s16) le16_to_cpup((__le16 *)(data + 6)));
input_report_abs(dev, ABS_Y,
~(__s16) le16_to_cpup((__le16 *)(data + 8)));

/* right stick */
input_report_abs(dev, ABS_RX,
(__s16) le16_to_cpup((__le16 *)(data + 10)));
input_report_abs(dev, ABS_RY,
~(__s16) le16_to_cpup((__le16 *)(data + 12)));
}

/* triggers left/right */
if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
input_report_key(dev, BTN_TL2, data[4]);
input_report_key(dev, BTN_TR2, data[5]);
} else {
input_report_abs(dev, ABS_Z, data[4]);
input_report_abs(dev, ABS_RZ, data[5]);
}

input_sync(dev);
}

/*
* xpad360w_process_packet
*
* Completes a request by converting the data into events for the
* input subsystem. It is version for xbox 360 wireless controller.
*
* Byte.Bit
* 00.1 - Status change: The controller or headset has connected/disconnected
* Bits 01.7 and 01.6 are valid
* 01.7 - Controller present
* 01.6 - Headset present
* 01.1 - Pad state (Bytes 4+) valid
*
*/

static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
{
/* Presence change */
if (data[0] & 0x08) {
if (data[1] & 0x80) {
xpad->pad_present = 1;
usb_submit_urb(xpad->bulk_out, GFP_ATOMIC);
} else
xpad->pad_present = 0;
}

/* Valid pad data */
if (!(data[1] & 0x1))
return;

xpad360_process_packet(xpad, cmd, &data[4]);
}

static void xpad_irq_in(struct urb *urb)
{
struct usb_xpad *xpad = urb->context;
int retval, status;

status = urb->status;

switch (status) {
case 0:
/* success */
break;
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
dbg("%s - urb shutting down with status: %d",
__func__, status);
return;
default:
dbg("%s - nonzero urb status received: %d",
__func__, status);
goto exit;
}

switch (xpad->xtype) {
case XTYPE_XBOX360:
xpad360_process_packet(xpad, 0, xpad->idata);
break;
case XTYPE_XBOX360W:
xpad360w_process_packet(xpad, 0, xpad->idata);
break;
default:
xpad_process_packet(xpad, 0, xpad->idata);
}

exit:
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
err ("%s - usb_submit_urb failed with result %d",
__func__, retval);
}

static void xpad_bulk_out(struct urb *urb)
{
switch (urb->status) {
case 0:
/* success */
break;
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
dbg("%s - urb shutting down with status: %d", __func__, urb->status);
break;
default:
dbg("%s - nonzero urb status received: %d", __func__, urb->status);
}
}

#if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS)
static void xpad_irq_out(struct urb *urb)
{
int retval, status;

status = urb->status;

switch (status) {
case 0:
/* success */
return;

case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
dbg("%s - urb shutting down with status: %d", __func__, status);
return;

default:
dbg("%s - nonzero urb status received: %d", __func__, status);
goto exit;
}

exit:
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
err("%s - usb_submit_urb failed with result %d",
__func__, retval);
}

static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
{
struct usb_endpoint_descriptor *ep_irq_out;
int error;

if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX)
return 0;

xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN,
GFP_KERNEL, &xpad->odata_dma);
if (!xpad->odata) {
error = -ENOMEM;
goto fail1;
}

mutex_init(&xpad->odata_mutex);

xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL);
if (!xpad->irq_out) {
error = -ENOMEM;
goto fail2;
}

ep_irq_out = &intf->cur_altsetting->endpoint[1].desc;
usb_fill_int_urb(xpad->irq_out, xpad->udev,
usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress),
xpad->odata, XPAD_PKT_LEN,
xpad_irq_out, xpad, ep_irq_out->bInterval);
xpad->irq_out->transfer_dma = xpad->odata_dma;
xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

return 0;

fail2:	usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma);
fail1:	return error;
}

static void xpad_stop_output(struct usb_xpad *xpad)
{
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 || xpad->xtype == XTYPE_XBOX) {
usb_free_urb(xpad->irq_out);
usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
xpad->odata, xpad->odata_dma);
}
}
#else
static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; }
static void xpad_deinit_output(struct usb_xpad *xpad) {}
static void xpad_stop_output(struct usb_xpad *xpad) {}
#endif

#ifdef CONFIG_JOYSTICK_XPAD_FF
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;

switch (xpad->xtype) {

case XTYPE_XBOX:
xpad->odata[0] = 0x00;
xpad->odata[1] = 0x06;
xpad->odata[2] = 0x00;
xpad->odata[3] = strong / 256;	/* left actuator */
xpad->odata[4] = 0x00;
xpad->odata[5] = weak / 256;	/* right actuator */
xpad->irq_out->transfer_buffer_length = 6;

return usb_submit_urb(xpad->irq_out, GFP_ATOMIC);

case XTYPE_XBOX360:
xpad->odata[0] = 0x00;
xpad->odata[1] = 0x08;
xpad->odata[2] = 0x00;
xpad->odata[3] = strong / 256; /* left actuator? */
xpad->odata[4] = weak / 256;	/* 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_ATOMIC);

default:
dbg("%s - rumble command sent to unsupported xpad type: %d",
__func__, xpad->xtype);
return -1;
}
}

return 0;
}

static int xpad_init_ff(struct usb_xpad *xpad)
{
if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX)
return 0;

input_set_capability(xpad->dev, EV_FF, FF_RUMBLE);

return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect);
}

#else
static int xpad_init_ff(struct usb_xpad *xpad) { return 0; }
#endif

#if defined(CONFIG_JOYSTICK_XPAD_LEDS)
#include <linux/leds.h>

struct xpad_led {
char name[16];
struct led_classdev led_cdev;
struct usb_xpad *xpad;
};

static void xpad_send_led_command(struct usb_xpad *xpad, int command)
{
if (command >= 0 && command < 14) {
mutex_lock(&xpad->odata_mutex);
xpad->odata[0] = 0x01;
xpad->odata[1] = 0x03;
xpad->odata[2] = command;
xpad->irq_out->transfer_buffer_length = 3;
usb_submit_urb(xpad->irq_out, GFP_KERNEL);
mutex_unlock(&xpad->odata_mutex);
}
}

static void xpad_led_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
struct xpad_led *xpad_led = container_of(led_cdev,
struct xpad_led, led_cdev);

xpad_send_led_command(xpad_led->xpad, value);
}

static int xpad_led_probe(struct usb_xpad *xpad)
{
static atomic_t led_seq	= ATOMIC_INIT(0);
long led_no;
struct xpad_led *led;
struct led_classdev *led_cdev;
int error;

if (xpad->xtype != XTYPE_XBOX360)
return 0;

xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL);
if (!led)
return -ENOMEM;

led_no = (long)atomic_inc_return(&led_seq) - 1;

snprintf(led->name, sizeof(led->name), "xpad%ld", led_no);
led->xpad = xpad;

led_cdev = &led->led_cdev;
led_cdev->name = led->name;
led_cdev->brightness_set = xpad_led_set;

error = led_classdev_register(&xpad->udev->dev, led_cdev);
if (error) {
kfree(led);
xpad->led = NULL;
return error;
}

/*
* Light up the segment corresponding to controller number
*/
xpad_send_led_command(xpad, (led_no % 4) + 2);

return 0;
}

static void xpad_led_disconnect(struct usb_xpad *xpad)
{
struct xpad_led *xpad_led = xpad->led;

if (xpad_led) {
led_classdev_unregister(&xpad_led->led_cdev);
kfree(xpad_led);
}
}
#else
static int xpad_led_probe(struct usb_xpad *xpad) { return 0; }
static void xpad_led_disconnect(struct usb_xpad *xpad) { }
#endif

static int xpad_open(struct input_dev *dev)
{
struct usb_xpad *xpad = input_get_drvdata(dev);

/* URB was submitted in probe */
if(xpad->xtype == XTYPE_XBOX360W)
return 0;

xpad->irq_in->dev = xpad->udev;
if (usb_submit_urb(xpad->irq_in, GFP_KERNEL))
return -EIO;

return 0;
}

static void xpad_close(struct input_dev *dev)
{
struct usb_xpad *xpad = input_get_drvdata(dev);

if (xpad->xtype != XTYPE_XBOX360W)
usb_kill_urb(xpad->irq_in);

xpad_stop_output(xpad);
}

static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs)
{
set_bit(abs, input_dev->absbit);

switch (abs) {
case ABS_X:
case ABS_Y:
case ABS_RX:
case ABS_RY:	/* the two sticks */
input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128);
break;
case ABS_Z:
case ABS_RZ:	/* the triggers (if mapped to axes) */
input_set_abs_params(input_dev, abs, 0, 255, 0, 0);
break;
case ABS_HAT0X:
case ABS_HAT0Y:	/* the d-pad (only if dpad is mapped to axes */
input_set_abs_params(input_dev, abs, -1, 1, 0, 0);
break;
}
}

static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(intf);
struct usb_xpad *xpad;
struct input_dev *input_dev;
struct usb_endpoint_descriptor *ep_irq_in;
int i, error;

for (i = 0; xpad_device[i].idVendor; i++) {
if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) &&
(le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct))
break;
}

xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL);
input_dev = input_allocate_device();
if (!xpad || !input_dev) {
error = -ENOMEM;
goto fail1;
}

xpad->idata = usb_alloc_coherent(udev, XPAD_PKT_LEN,
GFP_KERNEL, &xpad->idata_dma);
if (!xpad->idata) {
error = -ENOMEM;
goto fail1;
}

xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL);
if (!xpad->irq_in) {
error = -ENOMEM;
goto fail2;
}

xpad->udev = udev;
xpad->mapping = xpad_device[i].mapping;
xpad->xtype = xpad_device[i].xtype;

if (xpad->xtype == XTYPE_UNKNOWN) {
if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) {
if (intf->cur_altsetting->desc.bInterfaceProtocol == 129)
xpad->xtype = XTYPE_XBOX360W;
else
xpad->xtype = XTYPE_XBOX360;
} else
xpad->xtype = XTYPE_XBOX;

if (dpad_to_buttons)
xpad->mapping |= MAP_DPAD_TO_BUTTONS;
if (triggers_to_buttons)
xpad->mapping |= MAP_TRIGGERS_TO_BUTTONS;
if (sticks_to_null)
xpad->mapping |= MAP_STICKS_TO_NULL;
}

xpad->dev = input_dev;
usb_make_path(udev, xpad->phys, sizeof(xpad->phys));
strlcat(xpad->phys, "/input0", sizeof(xpad->phys));

input_dev->name = xpad_device[i].name;
input_dev->phys = xpad->phys;
usb_to_input_id(udev, &input_dev->id);
input_dev->dev.parent = &intf->dev;

input_set_drvdata(input_dev, xpad);

input_dev->open = xpad_open;
input_dev->close = xpad_close;

input_dev->evbit[0] = BIT_MASK(EV_KEY);

if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
input_dev->evbit[0] |= BIT_MASK(EV_ABS);
/* set up axes */
for (i = 0; xpad_abs[i] >= 0; i++)
xpad_set_up_abs(input_dev, xpad_abs[i]);
}

/* set up standard buttons */
for (i = 0; xpad_common_btn[i] >= 0; i++)
__set_bit(xpad_common_btn[i], input_dev->keybit);

/* set up model-specific ones */
if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W) {
for (i = 0; xpad360_btn[i] >= 0; i++)
__set_bit(xpad360_btn[i], input_dev->keybit);
} else {
for (i = 0; xpad_btn[i] >= 0; i++)
__set_bit(xpad_btn[i], input_dev->keybit);
}

if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
for (i = 0; xpad_btn_pad[i] >= 0; i++)
__set_bit(xpad_btn_pad[i], input_dev->keybit);
} else {
for (i = 0; xpad_abs_pad[i] >= 0; i++)
xpad_set_up_abs(input_dev, xpad_abs_pad[i]);
}

if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
for (i = 0; xpad_btn_triggers[i] >= 0; i++)
__set_bit(xpad_btn_triggers[i], input_dev->keybit);
} else {
for (i = 0; xpad_abs_triggers[i] >= 0; i++)
xpad_set_up_abs(input_dev, xpad_abs_triggers[i]);
}

error = xpad_init_output(intf, xpad);
if (error)
goto fail3;

error = xpad_init_ff(xpad);
if (error)
goto fail4;

error = xpad_led_probe(xpad);
if (error)
goto fail5;

ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
usb_fill_int_urb(xpad->irq_in, udev,
usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
xpad->idata, XPAD_PKT_LEN, xpad_irq_in,
xpad, ep_irq_in->bInterval);
xpad->irq_in->transfer_dma = xpad->idata_dma;
xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

error = input_register_device(xpad->dev);
if (error)
goto fail6;

usb_set_intfdata(intf, xpad);

if (xpad->xtype == XTYPE_XBOX360W) {
/*
* Setup the message to set the LEDs on the
* controller when it shows up
*/
xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL);
if (!xpad->bulk_out) {
error = -ENOMEM;
goto fail7;
}

xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL);
if (!xpad->bdata) {
error = -ENOMEM;
goto fail8;
}

xpad->bdata[2] = 0x08;
switch (intf->cur_altsetting->desc.bInterfaceNumber) {
case 0:
xpad->bdata[3] = 0x42;
break;
case 2:
xpad->bdata[3] = 0x43;
break;
case 4:
xpad->bdata[3] = 0x44;
break;
case 6:
xpad->bdata[3] = 0x45;
}

ep_irq_in = &intf->cur_altsetting->endpoint[1].desc;
usb_fill_bulk_urb(xpad->bulk_out, udev,
usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress),
xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad);

/*
* Submit the int URB immediately rather than waiting for open
* because we get status messages from the device whether
* or not any controllers are attached. In fact, it's
* exactly the message that a controller has arrived that
* we're waiting for.
*/
xpad->irq_in->dev = xpad->udev;
error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
if (error)
goto fail9;
}

return 0;

fail9:	kfree(xpad->bdata);
fail8:	usb_free_urb(xpad->bulk_out);
fail7:	input_unregister_device(input_dev);
input_dev = NULL;
fail6:	xpad_led_disconnect(xpad);
fail5:	if (input_dev)
input_ff_destroy(input_dev);
fail4:	xpad_deinit_output(xpad);
fail3:	usb_free_urb(xpad->irq_in);
fail2:	usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
fail1:	input_free_device(input_dev);
kfree(xpad);
return error;

}

static void xpad_disconnect(struct usb_interface *intf)
{
struct usb_xpad *xpad = usb_get_intfdata (intf);

xpad_led_disconnect(xpad);
input_unregister_device(xpad->dev);
xpad_deinit_output(xpad);

if (xpad->xtype == XTYPE_XBOX360W) {
usb_kill_urb(xpad->bulk_out);
usb_free_urb(xpad->bulk_out);
usb_kill_urb(xpad->irq_in);
}

usb_free_urb(xpad->irq_in);
usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
xpad->idata, xpad->idata_dma);

kfree(xpad->bdata);
kfree(xpad);

usb_set_intfdata(intf, NULL);
}

static struct usb_driver xpad_driver = {
.name	= "xpad",
.probe	= xpad_probe,
.disconnect	= xpad_disconnect,
.id_table	= xpad_table,
};

static int __init usb_xpad_init(void)
{
return usb_register(&xpad_driver);
}

static void __exit usb_xpad_exit(void)
{
usb_deregister(&xpad_driver);
}

module_init(usb_xpad_init);
module_exit(usb_xpad_exit);

MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");