Changeset d46ceb2b in mainline for uspace/lib/usbdev

Timestamp:

2017-10-28T14:54:29Z (8 years ago)

Author:

Petr Manek <petr.manek@…>

Branches:

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

Children:

d37514e

Parents:

40a3bfa

Message:

Modified libusbdev to forward fun_online and _offline calls to USB drivers. Added poor man's implementation of HID device removal hook.

Location:

uspace/lib/usbdev

Files:

• include/usb/dev/driver.h (modified) (1 diff)
• src/driver.c (modified) (1 diff)

uspace/lib/usbdev/include/usb/dev/driver.h

@@ -48 +48 @@
         /** Callback when a device was removed from the system. */
         int (*device_gone)(usb_device_t *);
+        /** Callback asking the driver to online a specific function. */
+        int (*function_online)(ddf_fun_t *);
+        /** Callback asking the driver to offline a specific function. */
+        int (*function_offline)(ddf_fun_t *);
 } usb_driver_ops_t;
 

uspace/lib/usbdev/src/driver.c

@@ -117 +117 @@
 }
 
+/** Callback when the driver is asked to online a specific function.
+ *
+ * This callback is a wrapper for USB specific version of @c fun_online.
+ *
+ * @param gen_dev Device function structure as prepared by DDF.
+ * @return Error code.
+ */
+static int generic_function_online(ddf_fun_t *fun)
+{
+        assert(driver);
+        assert(driver->ops);
+        if (driver->ops->function_online == NULL)
+                return ENOTSUP;
+        return driver->ops->function_online(fun);
+}
+
+/** Callback when the driver is asked to offline a specific function.
+ *
+ * This callback is a wrapper for USB specific version of @c fun_offline.
+ *
+ * @param gen_dev Device function structure as prepared by DDF.
+ * @return Error code.
+ */
+static int generic_function_offline(ddf_fun_t *fun)
+{
+        assert(driver);
+        assert(driver->ops);
+        if (driver->ops->function_offline == NULL)
+                return ENOTSUP;
+        return driver->ops->function_offline(fun);
+}
+
 static driver_ops_t generic_driver_ops = {
         .dev_add = generic_device_add,
         .dev_remove = generic_device_remove,
         .dev_gone = generic_device_gone,
+        .fun_online = generic_function_online,
+        .fun_offline = generic_function_offline,
 };
 static driver_t generic_driver = {