1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.c b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.c
new file mode 100644
index 000000000..f5affa1c8
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.c
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2015 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 "nvsw.h"
+#include "chan.h"
+
+#include <nvif/if0004.h>
+
+static int
+nvkm_nvsw_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_uevent *uevent)
+{
+	union nv04_nvsw_event_args *args = argv;
+
+	if (!uevent)
+		return 0;
+	if (argc != sizeof(args->vn))
+		return -ENOSYS;
+
+	return nvkm_uevent_add(uevent, &nvkm_nvsw(object)->chan->event, 0,
+			       NVKM_SW_CHAN_EVENT_PAGE_FLIP, NULL);
+}
+
+static int
+nvkm_nvsw_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
+{
+	struct nvkm_nvsw *nvsw = nvkm_nvsw(object);
+
+	if (nvsw->func->mthd)
+		return nvsw->func->mthd(nvsw, mthd, data, size);
+
+	return -ENODEV;
+}
+
+static const struct nvkm_object_func
+nvkm_nvsw_ = {
+	.mthd = nvkm_nvsw_mthd,
+	.uevent = nvkm_nvsw_uevent,
+};
+
+int
+nvkm_nvsw_new_(const struct nvkm_nvsw_func *func, struct nvkm_sw_chan *chan,
+	       const struct nvkm_oclass *oclass, void *data, u32 size,
+	       struct nvkm_object **pobject)
+{
+	struct nvkm_nvsw *nvsw;
+
+	if (!(nvsw = kzalloc(sizeof(*nvsw), GFP_KERNEL)))
+		return -ENOMEM;
+	*pobject = &nvsw->object;
+
+	nvkm_object_ctor(&nvkm_nvsw_, oclass, &nvsw->object);
+	nvsw->func = func;
+	nvsw->chan = chan;
+	return 0;
+}
+
+static const struct nvkm_nvsw_func
+nvkm_nvsw = {
+};
+
+int
+nvkm_nvsw_new(struct nvkm_sw_chan *chan, const struct nvkm_oclass *oclass,
+	      void *data, u32 size, struct nvkm_object **pobject)
+{
+	return nvkm_nvsw_new_(&nvkm_nvsw, chan, oclass, data, size, pobject);
+}