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path: root/drivers/gpu/drm/nouveau/nvif/device.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvif/device.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvif/device.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvif/device.c b/drivers/gpu/drm/nouveau/nvif/device.c
new file mode 100644
index 000000000..8c3d883f3
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvif/device.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2014 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/device.h>
+
+u64
+nvif_device_time(struct nvif_device *device)
+{
+ if (!device->user.func) {
+ struct nv_device_time_v0 args = {};
+ int ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_TIME,
+ &args, sizeof(args));
+ WARN_ON_ONCE(ret != 0);
+ return args.time;
+ }
+
+ return device->user.func->time(&device->user);
+}
+
+void
+nvif_device_dtor(struct nvif_device *device)
+{
+ nvif_user_dtor(device);
+ kfree(device->runlist);
+ device->runlist = NULL;
+ nvif_object_dtor(&device->object);
+}
+
+int
+nvif_device_ctor(struct nvif_object *parent, const char *name, u32 handle,
+ s32 oclass, void *data, u32 size, struct nvif_device *device)
+{
+ int ret = nvif_object_ctor(parent, name ? name : "nvifDevice", handle,
+ oclass, data, size, &device->object);
+ device->runlist = NULL;
+ device->user.func = NULL;
+ if (ret == 0) {
+ device->info.version = 0;
+ ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_INFO,
+ &device->info, sizeof(device->info));
+ }
+ return ret;
+}