1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvif/driver.c b/drivers/gpu/drm/nouveau/nvif/driver.c
new file mode 100644
index 000000000000..701330956e33
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvif/driver.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2016 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+#include <nvif/driver.h>
+#include <nvif/client.h>
+
+static const struct nvif_driver *
+nvif_driver[] = {
+#ifdef __KERNEL__
+	&nvif_driver_nvkm,
+#else
+	&nvif_driver_drm,
+	&nvif_driver_lib,
+	&nvif_driver_null,
+#endif
+	NULL
+};
+
+int
+nvif_driver_init(const char *drv, const char *cfg, const char *dbg,
+		 const char *name, u64 device, struct nvif_client *client)
+{
+	int ret = -EINVAL, i;
+
+	for (i = 0; (client->driver = nvif_driver[i]); i++) {
+		if (!drv || !strcmp(client->driver->name, drv)) {
+			ret = client->driver->init(name, device, cfg, dbg,
+						   &client->object.priv);
+			if (ret == 0)
+				break;
+			client->driver->fini(client->object.priv);
+		}
+	}
+
+	if (ret == 0)
+		ret = nvif_client_init(client, name, device, client);
+	return ret;
+}