1 files changed, 157 insertions, 17 deletions

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 603fe0dd3682..177602cf7079 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -95,7 +95,8 @@
 #define XTYPE_XBOX        0
 #define XTYPE_XBOX360     1
 #define XTYPE_XBOX360W    2
-#define XTYPE_UNKNOWN     3
+#define XTYPE_XBOXONE     3
+#define XTYPE_UNKNOWN     4
 
 static bool dpad_to_buttons;
 module_param(dpad_to_buttons, bool, S_IRUGO);
@@ -121,6 +122,7 @@ static const struct xpad_device {
         { 0x045e, 0x0287, "Microsoft Xbox Controller S", 0, XTYPE_XBOX },
         { 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", 0, XTYPE_XBOX },
         { 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 },
+        { 0x045e, 0x02d1, "Microsoft X-Box One pad", 0, XTYPE_XBOXONE },
         { 0x045e, 0x0291, "Xbox 360 Wireless Receiver (XBOX)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
         { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
         { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
@@ -231,10 +233,12 @@ static const signed short xpad_abs_triggers[] = {
         -1
 };
 
-/* Xbox 360 has a vendor-specific class, so we cannot match it with only
+/*
+ * 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. */
+ * 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), \
@@ -245,9 +249,20 @@ static const signed short xpad_abs_triggers[] = {
         { XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \
         { XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) }
 
+/* The Xbox One controller uses subclass 71 and protocol 208. */
+#define XPAD_XBOXONE_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 = 71, \
+        .bInterfaceProtocol = (pr)
+#define XPAD_XBOXONE_VENDOR(vend) \
+        { XPAD_XBOXONE_VENDOR_PROTOCOL(vend, 208) }
+
 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_XBOXONE_VENDOR(0x045e),            /* Microsoft X-Box One controllers */
         XPAD_XBOX360_VENDOR(0x046d),            /* Logitech X-Box 360 style controllers */
         XPAD_XBOX360_VENDOR(0x0738),            /* Mad Catz X-Box 360 controllers */
         { USB_DEVICE(0x0738, 0x4540) },         /* Mad Catz Beat Pad */
@@ -278,12 +293,10 @@ struct usb_xpad {
         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;
@@ -470,6 +483,105 @@ static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned cha
         xpad360_process_packet(xpad, cmd, &data[4]);
 }
 
+/*
+ *      xpadone_process_buttons
+ *
+ *      Process a button update packet from an Xbox one controller.
+ */
+static void xpadone_process_buttons(struct usb_xpad *xpad,
+                                struct input_dev *dev,
+                                unsigned char *data)
+{
+        /* menu/view buttons */
+        input_report_key(dev, BTN_START,  data[4] & 0x04);
+        input_report_key(dev, BTN_SELECT, data[4] & 0x08);
+
+        /* buttons A,B,X,Y */
+        input_report_key(dev, BTN_A,    data[4] & 0x10);
+        input_report_key(dev, BTN_B,    data[4] & 0x20);
+        input_report_key(dev, BTN_X,    data[4] & 0x40);
+        input_report_key(dev, BTN_Y,    data[4] & 0x80);
+
+        /* digital pad */
+        if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
+                /* dpad as buttons (left, right, up, down) */
+                input_report_key(dev, BTN_TRIGGER_HAPPY1, data[5] & 0x04);
+                input_report_key(dev, BTN_TRIGGER_HAPPY2, data[5] & 0x08);
+                input_report_key(dev, BTN_TRIGGER_HAPPY3, data[5] & 0x01);
+                input_report_key(dev, BTN_TRIGGER_HAPPY4, data[5] & 0x02);
+        } else {
+                input_report_abs(dev, ABS_HAT0X,
+                                 !!(data[5] & 0x08) - !!(data[5] & 0x04));
+                input_report_abs(dev, ABS_HAT0Y,
+                                 !!(data[5] & 0x02) - !!(data[5] & 0x01));
+        }
+
+        /* TL/TR */
+        input_report_key(dev, BTN_TL,   data[5] & 0x10);
+        input_report_key(dev, BTN_TR,   data[5] & 0x20);
+
+        /* stick press left/right */
+        input_report_key(dev, BTN_THUMBL, data[5] & 0x40);
+        input_report_key(dev, BTN_THUMBR, data[5] & 0x80);
+
+        if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
+                /* left stick */
+                input_report_abs(dev, ABS_X,
+                                 (__s16) le16_to_cpup((__le16 *)(data + 10)));
+                input_report_abs(dev, ABS_Y,
+                                 ~(__s16) le16_to_cpup((__le16 *)(data + 12)));
+
+                /* right stick */
+                input_report_abs(dev, ABS_RX,
+                                 (__s16) le16_to_cpup((__le16 *)(data + 14)));
+                input_report_abs(dev, ABS_RY,
+                                 ~(__s16) le16_to_cpup((__le16 *)(data + 16)));
+        }
+
+        /* triggers left/right */
+        if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
+                input_report_key(dev, BTN_TL2,
+                                 (__u16) le16_to_cpup((__le16 *)(data + 6)));
+                input_report_key(dev, BTN_TR2,
+                                 (__u16) le16_to_cpup((__le16 *)(data + 8)));
+        } else {
+                input_report_abs(dev, ABS_Z,
+                                 (__u16) le16_to_cpup((__le16 *)(data + 6)));
+                input_report_abs(dev, ABS_RZ,
+                                 (__u16) le16_to_cpup((__le16 *)(data + 8)));
+        }
+
+        input_sync(dev);
+}
+
+/*
+ *      xpadone_process_packet
+ *
+ *      Completes a request by converting the data into events for the
+ *      input subsystem. This version is for the Xbox One controller.
+ *
+ *      The report format was gleaned from
+ *      https://github.com/kylelemons/xbox/blob/master/xbox.go
+ */
+
+static void xpadone_process_packet(struct usb_xpad *xpad,
+                                u16 cmd, unsigned char *data)
+{
+        struct input_dev *dev = xpad->dev;
+
+        switch (data[0]) {
+        case 0x20:
+                xpadone_process_buttons(xpad, dev, data);
+                break;
+
+        case 0x07:
+                /* the xbox button has its own special report */
+                input_report_key(dev, BTN_MODE, data[4] & 0x01);
+                input_sync(dev);
+                break;
+        }
+}
+
 static void xpad_irq_in(struct urb *urb)
 {
         struct usb_xpad *xpad = urb->context;
@@ -502,6 +614,9 @@ static void xpad_irq_in(struct urb *urb)
         case XTYPE_XBOX360W:
                 xpad360w_process_packet(xpad, 0, xpad->idata);
                 break;
+        case XTYPE_XBOXONE:
+                xpadone_process_packet(xpad, 0, xpad->idata);
+                break;
         default:
                 xpad_process_packet(xpad, 0, xpad->idata);
         }
@@ -535,7 +650,6 @@ static void xpad_bulk_out(struct urb *urb)
         }
 }
 
-#if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS)
 static void xpad_irq_out(struct urb *urb)
 {
         struct usb_xpad *xpad = urb->context;
@@ -573,6 +687,7 @@ exit:
 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
 {
         struct usb_endpoint_descriptor *ep_irq_out;
+        int ep_irq_out_idx;
         int error;
 
         if (xpad->xtype == XTYPE_UNKNOWN)
@@ -593,7 +708,10 @@ static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
                 goto fail2;
         }
 
-        ep_irq_out = &intf->cur_altsetting->endpoint[1].desc;
+        /* Xbox One controller has in/out endpoints swapped. */
+        ep_irq_out_idx = xpad->xtype == XTYPE_XBOXONE ? 0 : 1;
+        ep_irq_out = &intf->cur_altsetting->endpoint[ep_irq_out_idx].desc;
+
         usb_fill_int_urb(xpad->irq_out, xpad->udev,
                          usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress),
                          xpad->odata, XPAD_PKT_LEN,
@@ -621,11 +739,6 @@ static void xpad_deinit_output(struct usb_xpad *xpad)
                                 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)
@@ -692,7 +805,7 @@ static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect
 
 static int xpad_init_ff(struct usb_xpad *xpad)
 {
-        if (xpad->xtype == XTYPE_UNKNOWN)
+        if (xpad->xtype == XTYPE_UNKNOWN || xpad->xtype == XTYPE_XBOXONE)
                 return 0;
 
         input_set_capability(xpad->dev, EV_FF, FF_RUMBLE);
@@ -801,6 +914,14 @@ static int xpad_open(struct input_dev *dev)
         if (usb_submit_urb(xpad->irq_in, GFP_KERNEL))
                 return -EIO;
 
+        if (xpad->xtype == XTYPE_XBOXONE) {
+                /* Xbox one controller needs to be initialized. */
+                xpad->odata[0] = 0x05;
+                xpad->odata[1] = 0x20;
+                xpad->irq_out->transfer_buffer_length = 2;
+                return usb_submit_urb(xpad->irq_out, GFP_KERNEL);
+        }
+
         return 0;
 }
 
@@ -816,6 +937,7 @@ static void xpad_close(struct input_dev *dev)
 
 static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs)
 {
+        struct usb_xpad *xpad = input_get_drvdata(input_dev);
         set_bit(abs, input_dev->absbit);
 
         switch (abs) {
@@ -827,7 +949,10 @@ static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs)
                 break;
         case ABS_Z:
         case ABS_RZ:    /* the triggers (if mapped to axes) */
-                input_set_abs_params(input_dev, abs, 0, 255, 0, 0);
+                if (xpad->xtype == XTYPE_XBOXONE)
+                        input_set_abs_params(input_dev, abs, 0, 1023, 0, 0);
+                else
+                        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 */
@@ -842,6 +967,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
         struct usb_xpad *xpad;
         struct input_dev *input_dev;
         struct usb_endpoint_descriptor *ep_irq_in;
+        int ep_irq_in_idx;
         int i, error;
 
         for (i = 0; xpad_device[i].idVendor; i++) {
@@ -850,6 +976,16 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
                         break;
         }
 
+        if (xpad_device[i].xtype == XTYPE_XBOXONE &&
+            intf->cur_altsetting->desc.bInterfaceNumber != 0) {
+                /*
+                 * The Xbox One controller lists three interfaces all with the
+                 * same interface class, subclass and protocol. Differentiate by
+                 * interface number.
+                 */
+                return -ENODEV;
+        }
+
         xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL);
         input_dev = input_allocate_device();
         if (!xpad || !input_dev) {
@@ -920,7 +1056,8 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
                 __set_bit(xpad_common_btn[i], input_dev->keybit);
 
         /* set up model-specific ones */
-        if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W) {
+        if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W ||
+            xpad->xtype == XTYPE_XBOXONE) {
                 for (i = 0; xpad360_btn[i] >= 0; i++)
                         __set_bit(xpad360_btn[i], input_dev->keybit);
         } else {
@@ -933,7 +1070,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
                         __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]);
+                        xpad_set_up_abs(input_dev, xpad_abs_pad[i]);
         }
 
         if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
@@ -956,7 +1093,10 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
         if (error)
                 goto fail5;
 
-        ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
+        /* Xbox One controller has in/out endpoints swapped. */
+        ep_irq_in_idx = xpad->xtype == XTYPE_XBOXONE ? 1 : 0;
+        ep_irq_in = &intf->cur_altsetting->endpoint[ep_irq_in_idx].desc;
+
         usb_fill_int_urb(xpad->irq_in, udev,
                          usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
                          xpad->idata, XPAD_PKT_LEN, xpad_irq_in,