drm/nvd0/dmaobj: duplicate fermi class, will diverge real soon now

The hardware dmaobj format completely changed in GF119, so these will
need a separate implementation.

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

5 files changed, 88 insertions, 3 deletions

diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index 76cdb27fd4d8..b629abf2c28d 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -121,6 +121,7 @@ nouveau-y += core/engine/dmaobj/base.o
 nouveau-y += core/engine/dmaobj/nv04.o
 nouveau-y += core/engine/dmaobj/nv50.o
 nouveau-y += core/engine/dmaobj/nvc0.o
+nouveau-y += core/engine/dmaobj/nvd0.o
 nouveau-y += core/engine/bsp/nv84.o
 nouveau-y += core/engine/copy/nva3.o
 nouveau-y += core/engine/copy/nvc0.o
diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvd0.c
new file mode 100644
index 000000000000..7211cd83c0ee
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nvd0.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2012 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
+ */
+
+#include <core/device.h>
+#include <core/gpuobj.h>
+#include <core/class.h>
+
+#include <subdev/fb.h>
+#include <engine/dmaobj.h>
+
+struct nvd0_dmaeng_priv {
+        struct nouveau_dmaeng base;
+};
+
+static int
+nvd0_dmaobj_bind(struct nouveau_dmaeng *dmaeng,
+                 struct nouveau_object *parent,
+                 struct nouveau_dmaobj *dmaobj,
+                 struct nouveau_gpuobj **pgpuobj)
+{
+        int ret = 0;
+
+        if (!nv_iclass(parent, NV_ENGCTX_CLASS)) {
+                switch (nv_mclass(parent->parent)) {
+                        break;
+                default:
+                        return -EINVAL;
+                }
+        } else
+                return 0;
+
+        return ret;
+}
+
+static int
+nvd0_dmaeng_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+                 struct nouveau_oclass *oclass, void *data, u32 size,
+                 struct nouveau_object **pobject)
+{
+        struct nvd0_dmaeng_priv *priv;
+        int ret;
+
+        ret = nouveau_dmaeng_create(parent, engine, oclass, &priv);
+        *pobject = nv_object(priv);
+        if (ret)
+                return ret;
+
+        nv_engine(priv)->sclass = nouveau_dmaobj_sclass;
+        priv->base.bind = nvd0_dmaobj_bind;
+        return 0;
+}
+
+struct nouveau_oclass
+nvd0_dmaeng_oclass = {
+        .handle = NV_ENGINE(DMAOBJ, 0xd0),
+        .ofuncs = &(struct nouveau_ofuncs) {
+                .ctor = nvd0_dmaeng_ctor,
+                .dtor = _nouveau_dmaeng_dtor,
+                .init = _nouveau_dmaeng_init,
+                .fini = _nouveau_dmaeng_fini,
+        },
+};
diff --git a/drivers/gpu/drm/nouveau/core/include/engine/dmaobj.h b/drivers/gpu/drm/nouveau/core/include/engine/dmaobj.h
index a0b102680d81..21f9edcdd6c9 100644
--- a/drivers/gpu/drm/nouveau/core/include/engine/dmaobj.h
+++ b/drivers/gpu/drm/nouveau/core/include/engine/dmaobj.h
@@ -40,6 +40,7 @@ struct nouveau_dmaeng {
 extern struct nouveau_oclass nv04_dmaeng_oclass;
 extern struct nouveau_oclass nv50_dmaeng_oclass;
 extern struct nouveau_oclass nvc0_dmaeng_oclass;
+extern struct nouveau_oclass nvd0_dmaeng_oclass;
 
 extern struct nouveau_oclass nouveau_dmaobj_sclass[];
 
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
index 6697f0f9c293..0429ab450367 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c
@@ -266,7 +266,7 @@ nvc0_identify(struct nouveau_device *device)
                 device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
                 device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
                 device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
-                device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvc0_dmaeng_oclass;
+                device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvd0_dmaeng_oclass;
                 device->oclass[NVDEV_ENGINE_FIFO   ] = &nvc0_fifo_oclass;
                 device->oclass[NVDEV_ENGINE_SW     ] = &nvc0_software_oclass;
                 device->oclass[NVDEV_ENGINE_GR     ] = &nvc0_graph_oclass;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nve0.c b/drivers/gpu/drm/nouveau/core/subdev/device/nve0.c
index 4a280b7ab853..d5b4781bf454 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/device/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/device/nve0.c
@@ -67,7 +67,7 @@ nve0_identify(struct nouveau_device *device)
                 device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
                 device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
                 device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
-                device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvc0_dmaeng_oclass;
+                device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvd0_dmaeng_oclass;
                 device->oclass[NVDEV_ENGINE_FIFO   ] = &nve0_fifo_oclass;
                 device->oclass[NVDEV_ENGINE_SW     ] = &nvc0_software_oclass;
                 device->oclass[NVDEV_ENGINE_GR     ] = &nve0_graph_oclass;
@@ -92,7 +92,7 @@ nve0_identify(struct nouveau_device *device)
                 device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass;
                 device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
                 device->oclass[NVDEV_SUBDEV_BAR    ] = &nvc0_bar_oclass;
-                device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvc0_dmaeng_oclass;
+                device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvd0_dmaeng_oclass;
                 device->oclass[NVDEV_ENGINE_FIFO   ] = &nve0_fifo_oclass;
                 device->oclass[NVDEV_ENGINE_SW     ] = &nvc0_software_oclass;
                 device->oclass[NVDEV_ENGINE_GR     ] = &nve0_graph_oclass;