Changeset 57c8fc9 in mainline for uspace/lib/usbhost/src

Timestamp:

2013-09-21T02:17:14Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

c898236

Parents:

ce33c10

Message:

libusbhost: Move interrupt enabling to library.

Reduce code duplication.

File:

• uspace/lib/usbhost/src/ddf_helpers.c (modified) (2 diffs)

uspace/lib/usbhost/src/ddf_helpers.c

@@ -39 +39 @@
 #include <usb/descriptor.h>
 #include <usb/request.h>
+#include <devman.h>
 #include <errno.h>
 #include <str_error.h>
@@ -640 +641 @@
                 ddf_fun_destroy(hc->ctl_fun);
 }
+
+
+//TODO: Move this to generic ddf?
+/** Call the parent driver with a request to enable interrupts
+ *
+ * @param[in] device Device asking for interrupts
+ * @return Error code.
+ */
+int hcd_ddf_enable_interrupts(ddf_dev_t *device)
+{
+        assert(device);
+        async_sess_t *parent_sess =
+            devman_parent_device_connect(EXCHANGE_SERIALIZE,
+            ddf_dev_get_handle(device), IPC_FLAG_BLOCKING);
+        const bool enabled = hw_res_enable_interrupt(parent_sess);
+        async_hangup(parent_sess);
+
+        return enabled ? EOK : EIO;
+}
+
+int hcd_ddf_get_registers(ddf_dev_t *device, hw_res_list_parsed_t *hw_res)
+{
+        assert(device);
+        assert(hw_res);
+
+        async_sess_t *parent_sess =
+            devman_parent_device_connect(EXCHANGE_SERIALIZE,
+            ddf_dev_get_handle(device), IPC_FLAG_BLOCKING);
+        hw_res_list_parsed_init(hw_res);
+        const int ret = hw_res_get_list_parsed(parent_sess, hw_res, 0);
+        async_hangup(parent_sess);
+        return ret;
+}
 /**
  * @}