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path: root/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c136
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 000000000000..090765ff070d
--- /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);
+}