drm/nouveau/gr: convert user classes to new-style nvkm_object

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 84 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
new file mode 100644
index 000000000000..c6fb25847b89
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
@@ -0,0 +1,84 @@
+/*
+ * 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 "priv.h"
+
+#include <engine/fifo.h>
+
+static int
+nvkm_gr_oclass_get(struct nvkm_oclass *oclass, int index)
+{
+	struct nvkm_gr *gr = nvkm_gr(oclass->engine);
+	int c = 0;
+
+	if (gr->func->object_get) {
+		int ret = gr->func->object_get(gr, index, &oclass->base);
+		if (oclass->base.oclass)
+			return index;
+		return ret;
+	}
+
+	while (gr->func->sclass[c].oclass) {
+		if (c++ == index) {
+			oclass->base = gr->func->sclass[index];
+			return index;
+		}
+	}
+
+	return c;
+}
+
+static int
+nvkm_gr_cclass_new(struct nvkm_fifo_chan *chan,
+		   const struct nvkm_oclass *oclass,
+		   struct nvkm_object **pobject)
+{
+	struct nvkm_gr *gr = nvkm_gr(oclass->engine);
+	if (gr->func->chan_new)
+		return gr->func->chan_new(gr, chan, oclass, pobject);
+	return 0;
+}
+
+struct nvkm_engine_func
+nvkm_gr = {
+	.fifo.cclass = nvkm_gr_cclass_new,
+	.fifo.sclass = nvkm_gr_oclass_get,
+};
+
+int
+nvkm_gr_create_(struct nvkm_object *parent, struct nvkm_object *engine,
+		struct nvkm_oclass *oclass, bool enable,
+		int length, void **pobject)
+{
+	struct nvkm_gr *gr;
+	int ret;
+
+	ret = nvkm_engine_create_(parent, engine, oclass, enable,
+				  "gr", "gr", length, pobject);
+	gr = *pobject;
+	if (ret)
+		return ret;
+
+	gr->engine.func = &nvkm_gr;
+	return 0;
+}