drm/nouveau/vdec: implement stub modules for the known engines
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nv98_crypt.c b/drivers/gpu/drm/nouveau/nv98_crypt.c
new file mode 100644
index 0000000..db94ff0
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nv98_crypt.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2011 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 "drmP.h"
+#include "nouveau_drv.h"
+#include "nouveau_util.h"
+#include "nouveau_vm.h"
+#include "nouveau_ramht.h"
+
+struct nv98_crypt_engine {
+ struct nouveau_exec_engine base;
+};
+
+static int
+nv98_crypt_fini(struct drm_device *dev, int engine, bool suspend)
+{
+ if (!(nv_rd32(dev, 0x000200) & 0x00004000))
+ return 0;
+
+ nv_mask(dev, 0x000200, 0x00004000, 0x00000000);
+ return 0;
+}
+
+static int
+nv98_crypt_init(struct drm_device *dev, int engine)
+{
+ nv_mask(dev, 0x000200, 0x00004000, 0x00000000);
+ nv_mask(dev, 0x000200, 0x00004000, 0x00004000);
+ return 0;
+}
+
+static void
+nv98_crypt_destroy(struct drm_device *dev, int engine)
+{
+ struct nv98_crypt_engine *pcrypt = nv_engine(dev, engine);
+
+ NVOBJ_ENGINE_DEL(dev, CRYPT);
+
+ kfree(pcrypt);
+}
+
+int
+nv98_crypt_create(struct drm_device *dev)
+{
+ struct nv98_crypt_engine *pcrypt;
+
+ pcrypt = kzalloc(sizeof(*pcrypt), GFP_KERNEL);
+ if (!pcrypt)
+ return -ENOMEM;
+
+ pcrypt->base.destroy = nv98_crypt_destroy;
+ pcrypt->base.init = nv98_crypt_init;
+ pcrypt->base.fini = nv98_crypt_fini;
+
+ NVOBJ_ENGINE_ADD(dev, CRYPT, &pcrypt->base);
+ return 0;
+}