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Subject[PATCH 18/37] Input: xpad - add support for wireless xbox360 controllers
From
Signed-off-by: Brian Magnuson <bdmagnuson@gmail.com>
Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
drivers/input/joystick/xpad.c | 164 +++++++++++++++++++++++++++++++++++++----
1 files changed, 148 insertions(+), 16 deletions(-)
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 7188eec..ebf8303 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -92,7 +92,8 @@

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

static int dpad_to_buttons;
module_param(dpad_to_buttons, bool, S_IRUGO);
@@ -109,6 +110,7 @@ static const struct xpad_device {
{ 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", MAP_DPAD_TO_AXES, XTYPE_XBOX },
{ 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", MAP_DPAD_TO_AXES, XTYPE_XBOX },
{ 0x045e, 0x0287, "Microsoft Xbox Controller S", MAP_DPAD_TO_AXES, XTYPE_XBOX },
+ { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
{ 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
{ 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX },
{ 0x046d, 0xc242, "Logitech Chillstream Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 },
@@ -186,22 +188,25 @@ static const signed short xpad_abs_pad[] = {

/* 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. Also, some Xbox 360 devices have multiple
- * interface protocols, we only need protocol 1. */
-#define XPAD_XBOX360_VENDOR(vend) \
+ * 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 = 1
+ .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(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 */
{ }
};

@@ -211,10 +216,15 @@ 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 */
@@ -359,6 +369,39 @@ static void xpad360_process_packet(struct usb_xpad *xpad,
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;
@@ -381,10 +424,16 @@ static void xpad_irq_in(struct urb *urb)
goto exit;
}

- if (xpad->xtype == XTYPE_XBOX360)
+ switch (xpad->xtype) {
+ case XTYPE_XBOX360:
xpad360_process_packet(xpad, 0, xpad->idata);
- else
+ 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);
@@ -422,6 +471,23 @@ exit:
__FUNCTION__, 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", __FUNCTION__, urb->status);
+ break;
+ default:
+ dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
+ }
+}
+
static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
{
struct usb_endpoint_descriptor *ep_irq_out;
@@ -600,6 +666,10 @@ 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;
@@ -611,7 +681,8 @@ static void xpad_close(struct input_dev *dev)
{
struct usb_xpad *xpad = input_get_drvdata(dev);

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

@@ -671,8 +742,15 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
xpad->xtype = xpad_device[i].xtype;
if (xpad->dpad_mapping == MAP_DPAD_UNKNOWN)
xpad->dpad_mapping = !dpad_to_buttons;
- if (xpad->xtype == XTYPE_UNKNOWN)
- xpad->xtype = (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC);
+ 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;
+ }
xpad->dev = input_dev;
usb_make_path(udev, xpad->phys, sizeof(xpad->phys));
strlcat(xpad->phys, "/input0", sizeof(xpad->phys));
@@ -692,7 +770,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
/* set up buttons */
for (i = 0; xpad_common_btn[i] >= 0; i++)
set_bit(xpad_common_btn[i], input_dev->keybit);
- if (xpad->xtype == XTYPE_XBOX360)
+ 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
@@ -734,8 +812,57 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
goto fail4;

usb_set_intfdata(intf, xpad);
+
+ /*
+ * Submit the int URB immediatly 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.
+ */
+ if (xpad->xtype == XTYPE_XBOX360W) {
+ xpad->irq_in->dev = xpad->udev;
+ error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
+ if (error)
+ goto fail4;
+
+ /*
+ * 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)
+ goto fail5;
+
+ xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL);
+ if(!xpad->bdata)
+ goto fail6;
+
+ 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);
+ }
+
return 0;

+ fail6: usb_free_urb(xpad->bulk_out);
+ fail5: usb_kill_urb(xpad->irq_in);
fail4: usb_free_urb(xpad->irq_in);
fail3: xpad_deinit_output(xpad);
fail2: usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
@@ -754,6 +881,11 @@ static void xpad_disconnect(struct usb_interface *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_buffer_free(xpad->udev, XPAD_PKT_LEN,
xpad->idata, xpad->idata_dma);
--
1.5.5.rc2.6.gf58d



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