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path: root/drivers/net/wireless/rt2x00/rt2x00usb.h
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00usb.h')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00usb.h33
1 files changed, 23 insertions, 10 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index e11c759ac9ed..323ca7b2b095 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -35,12 +35,6 @@
})
/*
- * This variable should be used with the
- * usb_driver structure initialization.
- */
-#define USB_DEVICE_DATA(__ops) .driver_info = (kernel_ulong_t)(__ops)
-
-/*
* For USB vendor requests we need to pass a timeout
* time in ms, for this we use the REGISTER_TIMEOUT,
* however when loading firmware a higher value is
@@ -345,6 +339,23 @@ int rt2x00usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
const struct rt2x00_field32 field,
u32 *reg);
+/**
+ * rt2x00usb_register_read_async - Asynchronously read 32bit register word
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ * @offset: Register offset
+ * @callback: Functon to call when read completes.
+ *
+ * Submit a control URB to read a 32bit register. This safe to
+ * be called from atomic context. The callback will be called
+ * when the URB completes. Otherwise the function is similar
+ * to rt2x00usb_register_read().
+ * When the callback function returns false, the memory will be cleaned up,
+ * when it returns true, the urb will be fired again.
+ */
+void rt2x00usb_register_read_async(struct rt2x00_dev *rt2x00dev,
+ const unsigned int offset,
+ bool (*callback)(struct rt2x00_dev*, int, u32));
+
/*
* Radio handlers
*/
@@ -389,11 +400,13 @@ void rt2x00usb_kick_queue(struct data_queue *queue);
/**
* rt2x00usb_flush_queue - Flush data queue
* @queue: Data queue to stop
+ * @drop: True to drop all pending frames.
*
- * This will walk through all entries of the queue and kill all
- * URB's which were send to the device.
+ * This will walk through all entries of the queue and will optionally
+ * kill all URB's which were send to the device, or at least wait until
+ * they have been returned from the device..
*/
-void rt2x00usb_flush_queue(struct data_queue *queue);
+void rt2x00usb_flush_queue(struct data_queue *queue, bool drop);
/**
* rt2x00usb_watchdog - Watchdog for USB communication
@@ -416,7 +429,7 @@ void rt2x00usb_uninitialize(struct rt2x00_dev *rt2x00dev);
* USB driver handlers.
*/
int rt2x00usb_probe(struct usb_interface *usb_intf,
- const struct usb_device_id *id);
+ const struct rt2x00_ops *ops);
void rt2x00usb_disconnect(struct usb_interface *usb_intf);
#ifdef CONFIG_PM
int rt2x00usb_suspend(struct usb_interface *usb_intf, pm_message_t state);