Linux-libre 4.3.2-gnu

1 files changed, 136 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 000000000..090765ff0
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
@@ -0,0 +1,136 @@
+/*
+ * 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 void
+nvkm_gr_tile(struct nvkm_engine *engine, int region, struct nvkm_fb_tile *tile)
+{
+	struct nvkm_gr *gr = nvkm_gr(engine);
+	if (gr->func->tile)
+		gr->func->tile(gr, region, tile);
+}
+
+u64
+nvkm_gr_units(struct nvkm_gr *gr)
+{
+	if (gr->func->units)
+		return gr->func->units(gr);
+	return 0;
+}
+
+int
+nvkm_gr_tlb_flush(struct nvkm_gr *gr)
+{
+	if (gr->func->tlb_flush)
+		return gr->func->tlb_flush(gr);
+	return -ENODEV;
+}
+
+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;
+}
+
+static void
+nvkm_gr_intr(struct nvkm_engine *engine)
+{
+	struct nvkm_gr *gr = nvkm_gr(engine);
+	gr->func->intr(gr);
+}
+
+static int
+nvkm_gr_oneinit(struct nvkm_engine *engine)
+{
+	struct nvkm_gr *gr = nvkm_gr(engine);
+	if (gr->func->oneinit)
+		return gr->func->oneinit(gr);
+	return 0;
+}
+
+static int
+nvkm_gr_init(struct nvkm_engine *engine)
+{
+	struct nvkm_gr *gr = nvkm_gr(engine);
+	return gr->func->init(gr);
+}
+
+static void *
+nvkm_gr_dtor(struct nvkm_engine *engine)
+{
+	struct nvkm_gr *gr = nvkm_gr(engine);
+	if (gr->func->dtor)
+		return gr->func->dtor(gr);
+	return gr;
+}
+
+static const struct nvkm_engine_func
+nvkm_gr = {
+	.dtor = nvkm_gr_dtor,
+	.oneinit = nvkm_gr_oneinit,
+	.init = nvkm_gr_init,
+	.intr = nvkm_gr_intr,
+	.tile = nvkm_gr_tile,
+	.fifo.cclass = nvkm_gr_cclass_new,
+	.fifo.sclass = nvkm_gr_oclass_get,
+};
+
+int
+nvkm_gr_ctor(const struct nvkm_gr_func *func, struct nvkm_device *device,
+	     int index, u32 pmc_enable, bool enable, struct nvkm_gr *gr)
+{
+	gr->func = func;
+	return nvkm_engine_ctor(&nvkm_gr, device, index, pmc_enable,
+				enable, &gr->engine);
+}