summaryrefslogtreecommitdiff
path: root/drm/nouveau/nvkm/engine/fifo/gpfifogm20b.c
diff options
context:
space:
mode:
Diffstat (limited to 'drm/nouveau/nvkm/engine/fifo/gpfifogm20b.c')
-rw-r--r--drm/nouveau/nvkm/engine/fifo/gpfifogm20b.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/drm/nouveau/nvkm/engine/fifo/gpfifogm20b.c b/drm/nouveau/nvkm/engine/fifo/gpfifogm20b.c
new file mode 100644
index 000000000..0f78fe797
--- /dev/null
+++ b/drm/nouveau/nvkm/engine/fifo/gpfifogm20b.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+#include "changk104.h"
+
+#include <nvif/class.h>
+
+static void
+gm20b_fifo_gpfifo_fini(struct nvkm_fifo_chan *base)
+{
+ struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
+ struct gk104_fifo *fifo = chan->fifo;
+ struct nvkm_device *device = fifo->base.engine.subdev.device;
+ u32 coff = chan->base.chid * 8;
+
+ if (!list_empty(&chan->head)) {
+ list_del_init(&chan->head);
+ nvkm_mask(device, 0x800004 + coff, 0x00000800, 0x00000800);
+ gk104_fifo_runlist_commit(fifo, chan->engine);
+ }
+
+ gk104_fifo_gpfifo_kick(chan);
+ nvkm_wr32(device, 0x800000 + coff, 0x00000000);
+}
+
+static const struct nvkm_fifo_chan_func
+gm20b_fifo_gpfifo_func = {
+ .dtor = gk104_fifo_gpfifo_dtor,
+ .init = gk104_fifo_gpfifo_init,
+ .fini = gm20b_fifo_gpfifo_fini,
+ .ntfy = g84_fifo_chan_ntfy,
+ .engine_ctor = gk104_fifo_gpfifo_engine_ctor,
+ .engine_dtor = gk104_fifo_gpfifo_engine_dtor,
+ .engine_init = gk104_fifo_gpfifo_engine_init,
+ .engine_fini = gk104_fifo_gpfifo_engine_fini,
+};
+
+int
+gm20b_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
+ void *data, u32 size, struct nvkm_object **pobject)
+{
+ return __gk104_fifo_gpfifo_new(base, oclass, &gm20b_fifo_gpfifo_func,
+ data, size, pobject);
+}
+
+const struct nvkm_fifo_chan_oclass
+gm20b_fifo_gpfifo_oclass = {
+ .base.oclass = MAXWELL_CHANNEL_GPFIFO_A,
+ .base.minver = 0,
+ .base.maxver = 0,
+ .ctor = gm20b_fifo_gpfifo_new,
+};