Changeset 2b0db98 in mainline for uspace/lib/usb/src/usbdrv.c

Timestamp:

2011-01-07T14:02:56Z (14 years ago)

Author:

Lubos Slovak <lubos.slovak@…>

Branches:

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

Children:

6986418

Parents:

d99120f (diff), 0f191a2 (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:

Merged development into lelian/hidd

File:

• uspace/lib/usb/src/usbdrv.c (modified) (3 diffs)

uspace/lib/usb/src/usbdrv.c

@@ -35 +35 @@
 #include <usb/usbdrv.h>
 #include <usbhc_iface.h>
+#include <usb_iface.h>
 #include <errno.h>
 #include <str_error.h>
@@ -54 +55 @@
 } transfer_info_t;
 
+/** Find handle of host controller the device is physically attached to.
+ *
+ * @param[in] dev Device looking for its host controller.
+ * @param[out] handle Host controller devman handle.
+ * @return Error code.
+ */
+int usb_drv_find_hc(device_t *dev, devman_handle_t *handle)
+{
+        if (dev == NULL) {
+                return EBADMEM;
+        }
+        if (handle == NULL) {
+                return EBADMEM;
+        }
+
+        int parent_phone = devman_parent_device_connect(dev->handle,
+            IPC_FLAG_BLOCKING);
+        if (parent_phone < 0) {
+                return parent_phone;
+        }
+
+        devman_handle_t h;
+        int rc = async_req_1_1(parent_phone, DEV_IFACE_ID(USB_DEV_IFACE),
+            IPC_M_USB_GET_HOST_CONTROLLER_HANDLE, &h);
+
+        ipc_hangup(parent_phone);
+
+        if (rc != EOK) {
+                return rc;
+        }
+
+        *handle = h;
+
+        return EOK;
+}
+
+/** Connect to host controller the device is physically attached to.
+ *
+ * @param dev Device asking for connection.
+ * @param hc_handle Devman handle of the host controller.
+ * @param flags Connection flags (blocking connection).
+ * @return Phone to the HC or error code.
+ */
+int usb_drv_hc_connect(device_t *dev, devman_handle_t hc_handle,
+    unsigned int flags)
+{
+        return devman_device_connect(hc_handle, flags);
+}
+
 /** Connect to host controller the device is physically attached to.
  *
@@ -60 +110 @@
  * @return Phone to corresponding HC or error code.
  */
-int usb_drv_hc_connect(device_t *dev, unsigned int flags)
-{
+int usb_drv_hc_connect_auto(device_t *dev, unsigned int flags)
+{
+        int rc;
+        devman_handle_t hc_handle;
+
         /*
          * Call parent hub to obtain device handle of respective HC.
          */
-
-        /*
-         * FIXME: currently we connect always to virtual host controller.
-         */
-        int rc;
-        devman_handle_t handle;
-
-        rc = devman_device_get_handle("/virt/usbhc", &handle, flags);
+        rc = usb_drv_find_hc(dev, &hc_handle);
         if (rc != EOK) {
                 return rc;
         }
         
-        int phone = devman_device_connect(handle, flags);
-
-        return phone;
+        return usb_drv_hc_connect(dev, hc_handle, flags);
 }