GM20B has a 512-channels FIFO similar to GK104.
Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
---
drm/nouveau/include/nvkm/engine/fifo.h | 1 +
drm/nouveau/nvkm/engine/fifo/Kbuild | 1 +
drm/nouveau/nvkm/engine/fifo/gk104.h | 4 ++++
drm/nouveau/nvkm/engine/fifo/gm204.c | 2 +-
drm/nouveau/nvkm/engine/fifo/gm20b.c | 34 ++++++++++++++++++++++++++++++++++
5 files changed, 41 insertions(+), 1 deletion(-)
create mode 100644 drm/nouveau/nvkm/engine/fifo/gm20b.c
diff --git a/drm/nouveau/include/nvkm/engine/fifo.h b/drm/nouveau/include/nvkm/engine/fifo.h
index 97cdeab..9100b80 100644
--- a/drm/nouveau/include/nvkm/engine/fifo.h
+++ b/drm/nouveau/include/nvkm/engine/fifo.h
@@ -117,6 +117,7 @@ extern struct nvkm_oclass *gk104_fifo_oclass;
extern struct nvkm_oclass *gk20a_fifo_oclass;
extern struct nvkm_oclass *gk208_fifo_oclass;
extern struct nvkm_oclass *gm204_fifo_oclass;
+extern struct nvkm_oclass *gm20b_fifo_oclass;
int nvkm_fifo_uevent_ctor(struct nvkm_object *, void *, u32,
struct nvkm_notify *);
diff --git a/drm/nouveau/nvkm/engine/fifo/Kbuild b/drm/nouveau/nvkm/engine/fifo/Kbuild
index 42891cb..dc81a8b 100644
--- a/drm/nouveau/nvkm/engine/fifo/Kbuild
+++ b/drm/nouveau/nvkm/engine/fifo/Kbuild
@@ -10,3 +10,4 @@ nvkm-y += nvkm/engine/fifo/gk104.o
nvkm-y += nvkm/engine/fifo/gk20a.o
nvkm-y += nvkm/engine/fifo/gk208.o
nvkm-y += nvkm/engine/fifo/gm204.o
+nvkm-y += nvkm/engine/fifo/gm20b.o
diff --git a/drm/nouveau/nvkm/engine/fifo/gk104.h b/drm/nouveau/nvkm/engine/fifo/gk104.h
index 318d30d..b77d75f 100644
--- a/drm/nouveau/nvkm/engine/fifo/gk104.h
+++ b/drm/nouveau/nvkm/engine/fifo/gk104.h
@@ -15,4 +15,8 @@ struct gk104_fifo_impl {
};
extern struct nvkm_ofuncs gk104_fifo_chan_ofuncs;
+
+int gm204_fifo_ctor(struct nvkm_object *, struct nvkm_object *,
+ struct nvkm_oclass *, void *, u32,
+ struct nvkm_object **);
#endif
diff --git a/drm/nouveau/nvkm/engine/fifo/gm204.c b/drm/nouveau/nvkm/engine/fifo/gm204.c
index 749d525..7596587 100644
--- a/drm/nouveau/nvkm/engine/fifo/gm204.c
+++ b/drm/nouveau/nvkm/engine/fifo/gm204.c
@@ -31,7 +31,7 @@ gm204_fifo_sclass[] = {
{}
};
-static int
+int
gm204_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
diff --git a/drm/nouveau/nvkm/engine/fifo/gm20b.c b/drm/nouveau/nvkm/engine/fifo/gm20b.c
new file mode 100644
index 0000000..4abf547
--- /dev/null
+++ b/drm/nouveau/nvkm/engine/fifo/gm20b.c
@@ -0,0 +1,34 @@
+/*
+ * 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 "gk104.h"
+
+struct nvkm_oclass *
+gm20b_fifo_oclass = &(struct gk104_fifo_impl) {
+ .base.handle = NV_ENGINE(FIFO, 0x2b),
+ .base.ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = gm204_fifo_ctor,
+ .dtor = gk104_fifo_dtor,
+ .init = gk104_fifo_init,
+ .fini = gk104_fifo_fini,
+ },
+ .channels = 512,
+}.base;
--
2.4.3
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