1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvif/client.c b/drivers/gpu/drm/nouveau/nvif/client.c
new file mode 100644
index 000000000..12644f811
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvif/client.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2013 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 <bskeggs@redhat.com>
+ */
+
+#include <nvif/client.h>
+#include <nvif/driver.h>
+#include <nvif/ioctl.h>
+
+#include <nvif/class.h>
+#include <nvif/if0000.h>
+
+int
+nvif_client_ioctl(struct nvif_client *client, void *data, u32 size)
+{
+	return client->driver->ioctl(client->object.priv, client->super, data, size, NULL);
+}
+
+int
+nvif_client_suspend(struct nvif_client *client)
+{
+	return client->driver->suspend(client->object.priv);
+}
+
+int
+nvif_client_resume(struct nvif_client *client)
+{
+	return client->driver->resume(client->object.priv);
+}
+
+void
+nvif_client_dtor(struct nvif_client *client)
+{
+	nvif_object_dtor(&client->object);
+	if (client->driver) {
+		if (client->driver->fini)
+			client->driver->fini(client->object.priv);
+		client->driver = NULL;
+	}
+}
+
+int
+nvif_client_ctor(struct nvif_client *parent, const char *name, u64 device,
+		 struct nvif_client *client)
+{
+	struct nvif_client_v0 args = { .device = device };
+	struct {
+		struct nvif_ioctl_v0 ioctl;
+		struct nvif_ioctl_nop_v0 nop;
+	} nop = {};
+	int ret;
+
+	strncpy(args.name, name, sizeof(args.name));
+	ret = nvif_object_ctor(parent != client ? &parent->object : NULL,
+			       name ? name : "nvifClient", 0,
+			       NVIF_CLASS_CLIENT, &args, sizeof(args),
+			       &client->object);
+	if (ret)
+		return ret;
+
+	client->object.client = client;
+	client->object.handle = ~0;
+	client->route = NVIF_IOCTL_V0_ROUTE_NVIF;
+	client->super = true;
+	client->driver = parent->driver;
+
+	if (ret == 0) {
+		ret = nvif_client_ioctl(client, &nop, sizeof(nop));
+		client->version = nop.nop.version;
+	}
+
+	if (ret)
+		nvif_client_dtor(client);
+	return ret;
+}