Input: xpad - add support for wireless xbox360 controllers
authorBrian Magnuson <bdmagnuson@gmail.com>
Thu, 3 Apr 2008 20:19:23 +0000 (16:19 -0400)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Thu, 3 Apr 2008 20:19:23 +0000 (16:19 -0400)
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

index 7188eec..ebf8303 100644 (file)
@@ -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);