Changeset 54b141a in mainline for uspace/lib/usb/src/usbdrv.c

Timestamp:

2010-12-04T17:01:24Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

e28d228

Parents:

2cb6571 (diff), ad104e0 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge with vojtechhorky/

File:

• uspace/lib/usb/src/usbdrv.c (modified) (1 diff)

uspace/lib/usb/src/usbdrv.c

@@ -100 +100 @@
 }
 
+/** Tell HC to reserve default address.
+ *
+ * @param phone Open phone to host controller driver.
+ * @return Error code.
+ */
+int usb_drv_reserve_default_address(int phone)
+{
+        return async_req_0_0(phone, IPC_M_USBHC_RESERVE_DEFAULT_ADDRESS);
+}
+
+/** Tell HC to release default address.
+ *
+ * @param phone Open phone to host controller driver.
+ * @return Error code.
+ */
+int usb_drv_release_default_address(int phone)
+{
+        return async_req_0_0(phone, IPC_M_USBHC_RELEASE_DEFAULT_ADDRESS);
+}
+
+/** Ask HC for free address assignment.
+ *
+ * @param phone Open phone to host controller driver.
+ * @return Assigned USB address or negative error code.
+ */
+usb_address_t usb_drv_request_address(int phone)
+{
+        ipcarg_t address;
+        int rc = async_req_0_1(phone, IPC_M_USBHC_REQUEST_ADDRESS, &address);
+        if (rc != EOK) {
+                return rc;
+        } else {
+                return (usb_address_t) address;
+        }
+}
+
+/** Inform HC about address release.
+ *
+ * @param phone Open phone to host controller driver.
+ * @param address Address to be released.
+ * @return Error code.
+ */
+int usb_drv_release_address(int phone, usb_address_t address)
+{
+        return async_req_1_0(phone, IPC_M_USBHC_RELEASE_ADDRESS, address);
+}
+
 /** Send data to HCD.
  *