added first version of generic Thrustmaster FFB device driver

1 files changed, 25 insertions, 12 deletions

diff --git a/hid-tminit.c b/hid-tminit.c
index 464b85c..e48b419 100644
--- a/hid-tminit.c
+++ b/hid-tminit.c
@@ -1,35 +1,47 @@
-#include "hid-tm.h"
+#include "hid-tminit.h"
 
-u8 hw_rq_in[] = { 0xc1, 0x49, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00 };
-u8 hw_rq_out[] = { 0x41, 0x53, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00 };
-
-static void tminit_callback(struct urb *urb){ return; }
+static void tminit_callback(struct urb *urb){
+    ctx.status = urb->status;
+    hid_info(urb->dev, "urb status %d received\n", urb->status);
+}
 
 int tminit(struct hid_device *hdev){
     struct urb *urb;
+    u8 *setup_packet, *transfer_buffer;
     struct device *dev = &hdev->dev;
     struct usb_interface *usbif = to_usb_interface(dev->parent);
     struct usb_device *usbdev = interface_to_usbdev(usbif);
+    int ret;
+    
+    setup_packet = kmalloc(8, GFP_ATOMIC);
+    transfer_buffer = kmalloc(8, GFP_ATOMIC);
+
+    memcpy(setup_packet, hw_rq_out, 8);
+    memcpy(transfer_buffer, hw_rq_in, 8);
 
     urb = usb_alloc_urb(0, GFP_ATOMIC);
 
     usb_fill_control_urb(urb,
            usbdev,
            usb_sndctrlpipe(usbdev, 0),
-           &hw_rq_in[0],
-           &hw_rq_out[0],
+           setup_packet,
+           transfer_buffer,
            0,
            tminit_callback,
            hdev);
 
     /* we sort of have to go on faith that the message is sent, because the
-     * wheel usually completely dies as soon as it gets the message.
+     * wheel usually completely dies as soon as it receives the message.
      */
-    return usb_start_wait_urb(urb, USB_CTRL_SET_TIMEOUT, NULL);
+    ret = usb_start_wait_urb(urb, 5, NULL);
+
+    kfree(setup_packet);
+    kfree(transfer_buffer);
+    return ret;
 }
 
 static void tminit_remove(struct hid_device *hdev){
-    /* we are dead */
+    /* we are dead, hopefully without any serious side effects */
     hid_hw_stop(hdev);
 }
 
@@ -50,15 +62,16 @@ static int tminit_probe(struct hid_device *hdev, const struct hid_device_id *id)
     
     ret = tminit(hdev);
     if(ret){
-        hid_err(hdev, "tminit failed, possibly as it should\n");
+        hid_err(hdev, "tminit exited, error might be intended behaviour\n");
         goto err;
     }
+
 err:
     return ret; 
 }
 
 static const struct hid_device_id tminit_devices[] = {
-    { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb56d)},
+    { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65d)},
     {}
 };