[PATCH 2/4] winebus.sys: Process quirky DualSense bluetooth reports.

[Arkadiusz Hiler]

Signed-off-by: Arkadiusz Hiler <ahiler at codeweavers.com>
---
 dlls/winebus.sys/bus_udev.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/dlls/winebus.sys/bus_udev.c b/dlls/winebus.sys/bus_udev.c
index 2269f5b904e..c290cea6f4f 100644
--- a/dlls/winebus.sys/bus_udev.c
+++ b/dlls/winebus.sys/bus_udev.c
@@ -117,6 +117,7 @@ static inline struct base_device *impl_from_unix_device(struct unix_device *ifac
 }
 
 #define QUIRK_DS4_BT 0x1
+#define QUIRK_DUALSENSE_BT 0x2
 
 struct hidraw_device
 {
@@ -356,6 +357,34 @@ static void hidraw_device_read_report(struct unix_device *iface)
             buff[0] = 1;
         }
 
+        /* The behavior of DualSense is very similar to DS4 described above with few exceptions.
+         *
+         * The report number #41 is used for the extended bluetooth input report. The report comes
+         * with only one extra byte in front and the format is not exactly the same and we need to
+         * shuffle a few bytes around.
+         *
+         * Small report:
+         *   X  Y  Z  RZ  Buttons[3]  TriggerLeft  TriggerRight
+         *
+         * Extended report:
+         *   Prefix X  Y  Z  Rz  TriggerLeft  TriggerRight  Counter  Buttons[3] ...
+         */
+        if ((impl->quirks & QUIRK_DUALSENSE_BT) && report_buffer[0] == 0x31 && size >= 11)
+        {
+            BYTE tmp;
+            size = 10;
+            buff += 1;
+
+            buff[0] = 1; /* fake report #1 */
+
+            tmp = buff[6];      /* Trigger Right */
+            buff[5] = buff[8];  /* Buttons[0] */
+            buff[6] = buff[9];  /* Buttons[1] */
+            buff[7] = buff[10]; /* Buttons[2] */
+            buff[8] = buff[5];  /* TriggerLeft */
+            buff[9] = tmp;      /* TirggerRight */
+        }
+
         bus_event_queue_input_report(&event_queue, iface, buff, size);
     }
 }
@@ -1201,6 +1230,9 @@ static void hidraw_set_quirks(struct hidraw_device *impl, DWORD bus_type, WORD v
 {
     if (bus_type == BUS_BLUETOOTH && is_dualshock4_gamepad(vid, pid))
         impl->quirks |= QUIRK_DS4_BT;
+
+    if (bus_type == BUS_BLUETOOTH && is_dualsense_gamepad(vid, pid))
+        impl->quirks |= QUIRK_DUALSENSE_BT;
 }
 
 static void udev_add_device(struct udev_device *dev, int fd)
-- 
2.34.1