Changes in uspace/lib/usb/src/pipesinit.c [4ede178:1998bcd] in mainline

File:

• uspace/lib/usb/src/pipesinit.c (modified) (5 diffs)

uspace/lib/usb/src/pipesinit.c

@@ -356 +356 @@
         assert(connection);
 
-        fibril_mutex_initialize(&pipe->guard);
         pipe->wire = connection;
         pipe->hc_phone = -1;
-        fibril_mutex_initialize(&pipe->hc_phone_mutex);
         pipe->endpoint_no = endpoint_no;
         pipe->transfer_type = transfer_type;
         pipe->max_packet_size = max_packet_size;
         pipe->direction = direction;
-        pipe->refcount = 0;
 
         return EOK;
@@ -416 +413 @@
         int rc;
 
-        rc = usb_pipe_start_long_transfer(pipe);
+        TRY_LOOP(failed_attempts) {
+                rc = usb_pipe_start_session(pipe);
+                if (rc == EOK) {
+                        break;
+                }
+        }
         if (rc != EOK) {
                 return rc;
@@ -437 +439 @@
                 }
         }
-        usb_pipe_end_long_transfer(pipe);
+        usb_pipe_end_session(pipe);
         if (rc != EOK) {
                 return rc;
@@ -459 +461 @@
     usb_hc_connection_t *hc_connection)
 {
+        return usb_pipe_register_with_speed(pipe, USB_SPEED_MAX + 1,
+            interval, hc_connection);
+}
+
+/** Register endpoint with a speed at the host controller.
+ *
+ * You will rarely need to use this function because it is needed only
+ * if the registered endpoint is of address 0 and there is no other way
+ * to tell speed of the device at address 0.
+ *
+ * @param pipe Pipe to be registered.
+ * @param speed Speed of the device
+ *      (invalid speed means use previously specified one).
+ * @param interval Polling interval.
+ * @param hc_connection Connection to the host controller (must be opened).
+ * @return Error code.
+ */
+int usb_pipe_register_with_speed(usb_pipe_t *pipe, usb_speed_t speed,
+    unsigned int interval,
+    usb_hc_connection_t *hc_connection)
+{
         assert(pipe);
         assert(hc_connection);
@@ -466 +489 @@
         }
 
-#define _PACK(high, low) ((high) * 256 + (low))
-
-        return async_req_5_0(hc_connection->hc_phone,
+#define _PACK2(high, low) (((high) << 16) + (low))
+#define _PACK3(high, middle, low) (((((high) << 8) + (middle)) << 8) + (low))
+
+        return async_req_4_0(hc_connection->hc_phone,
             DEV_IFACE_ID(USBHC_DEV_IFACE), IPC_M_USBHC_REGISTER_ENDPOINT,
-            _PACK(pipe->wire->address, pipe->endpoint_no),
-            _PACK(pipe->transfer_type, pipe->direction),
-            pipe->max_packet_size, interval);
-
-#undef _PACK
+            _PACK2(pipe->wire->address, pipe->endpoint_no),
+            _PACK3(speed, pipe->transfer_type, pipe->direction),
+            _PACK2(pipe->max_packet_size, interval));
+
+#undef _PACK2
+#undef _PACK3
 }