drm/nouveau/mc: port to subdev interfaces

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

7 files changed, 409 insertions, 69 deletions

diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c
new file mode 100644
index 0000000..de5721c
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c
@@ -0,0 +1,49 @@
+/*
+ * 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 <subdev/mc.h>
+
+void
+nouveau_mc_intr(struct nouveau_subdev *subdev)
+{
+	struct nouveau_mc *pmc = nouveau_mc(subdev);
+	const struct nouveau_mc_intr *map = pmc->intr_map;
+	struct nouveau_subdev *unit;
+	u32 stat;
+
+	stat = nv_rd32(pmc, 0x000100);
+	while (stat && map->stat) {
+		if (stat & map->stat) {
+			unit = nouveau_subdev(subdev, map->unit);
+			if (unit && unit->intr)
+				unit->intr(unit);
+			stat &= ~map->stat;
+		}
+		map++;
+	}
+
+	if (stat) {
+		nv_error(pmc, "unknown intr 0x%08x\n", stat);
+	}
+}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv04.c
index 60b146e..23ebe47 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv04.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv04.c
@@ -1,24 +1,83 @@
-#include "drmP.h"
-#include "drm.h"
-#include "nouveau_drv.h"
-#include <nouveau_drm.h>
+/*
+ * 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
+ */
 
-int
-nv04_mc_init(struct drm_device *dev)
-{
-	/* Power up everything, resetting each individual unit will
-	 * be done later if needed.
-	 */
+#include <subdev/mc.h>
+
+struct nv04_mc_priv {
+	struct nouveau_mc base;
+};
 
-	nv_wr32(dev, NV03_PMC_ENABLE, 0xFFFFFFFF);
+const struct nouveau_mc_intr
+nv04_mc_intr[] = {
+	{ 0x00000001, NVDEV_ENGINE_MPEG },	/* NV17- MPEG/ME */
+	{ 0x00000100, NVDEV_ENGINE_FIFO },
+	{ 0x00001000, NVDEV_ENGINE_GR },
+	{ 0x00020000, NVDEV_ENGINE_VP },	/* NV40- */
+	{ 0x00100000, NVDEV_SUBDEV_TIMER },
+	{ 0x01000000, NVDEV_ENGINE_DISP },	/* NV04- PCRTC0 */
+	{ 0x02000000, NVDEV_ENGINE_DISP },	/* NV11- PCRTC1 */
+	{ 0x10000000, NVDEV_SUBDEV_GPIO },	/* PBUS */
+	{ 0x80000000, NVDEV_ENGINE_SW },
+	{}
+};
+
+static int
+nv04_mc_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+	     struct nouveau_oclass *oclass, void *data, u32 size,
+	     struct nouveau_object **pobject)
+{
+	struct nv04_mc_priv *priv;
+	int ret;
 
-	/* Disable PROM access. */
-	nv_wr32(dev, NV_PBUS_PCI_NV_20, NV_PBUS_PCI_NV_20_ROM_SHADOW_ENABLED);
+	ret = nouveau_mc_create(parent, engine, oclass, &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
 
+	nv_subdev(priv)->intr = nouveau_mc_intr;
+	priv->base.intr_map = nv04_mc_intr;
 	return 0;
 }
 
-void
-nv04_mc_takedown(struct drm_device *dev)
+int
+nv04_mc_init(struct nouveau_object *object)
 {
+	struct nv04_mc_priv *priv = (void *)object;
+
+	nv_wr32(priv, 0x000200, 0xffffffff); /* everything enabled */
+	nv_wr32(priv, 0x001850, 0x00000001); /* disable rom access */
+
+	return nouveau_mc_init(&priv->base);
 }
+
+struct nouveau_oclass
+nv04_mc_oclass = {
+	.handle = NV_SUBDEV(MC, 0x04),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv04_mc_ctor,
+		.dtor = _nouveau_mc_dtor,
+		.init = nv04_mc_init,
+		.fini = _nouveau_mc_fini,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv40.c
deleted file mode 100644
index 74cfa03..0000000
--- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv40.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include "drmP.h"
-#include "drm.h"
-#include "nouveau_drv.h"
-#include <nouveau_drm.h>
-
-int
-nv40_mc_init(struct drm_device *dev)
-{
-	/* Power up everything, resetting each individual unit will
-	 * be done later if needed.
-	 */
-	nv_wr32(dev, NV03_PMC_ENABLE, 0xFFFFFFFF);
-
-	if (nv44_graph_class(dev)) {
-		u32 tmp = nv_rd32(dev, NV04_PFB_FIFO_DATA);
-		nv_wr32(dev, NV40_PMC_1700, tmp);
-		nv_wr32(dev, NV40_PMC_1704, 0);
-		nv_wr32(dev, NV40_PMC_1708, 0);
-		nv_wr32(dev, NV40_PMC_170C, tmp);
-	}
-
-	return 0;
-}
-
-void
-nv40_mc_takedown(struct drm_device *dev)
-{
-}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c
new file mode 100644
index 0000000..397d868
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c
@@ -0,0 +1,74 @@
+/*
+ * 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 <subdev/mc.h>
+
+struct nv44_mc_priv {
+	struct nouveau_mc base;
+};
+
+static int
+nv44_mc_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+	     struct nouveau_oclass *oclass, void *data, u32 size,
+	     struct nouveau_object **pobject)
+{
+	struct nv44_mc_priv *priv;
+	int ret;
+
+	ret = nouveau_mc_create(parent, engine, oclass, &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	nv_subdev(priv)->intr = nouveau_mc_intr;
+	priv->base.intr_map = nv04_mc_intr;
+	return 0;
+}
+
+static int
+nv44_mc_init(struct nouveau_object *object)
+{
+	struct nv44_mc_priv *priv = (void *)object;
+	u32 tmp = nv_rd32(priv, 0x10020c);
+
+	nv_wr32(priv, 0x000200, 0xffffffff); /* everything enabled */
+
+	nv_wr32(priv, 0x001700, tmp);
+	nv_wr32(priv, 0x001704, 0);
+	nv_wr32(priv, 0x001708, 0);
+	nv_wr32(priv, 0x00170c, tmp);
+
+	return nouveau_mc_init(&priv->base);
+}
+
+struct nouveau_oclass
+nv44_mc_oclass = {
+	.handle = NV_SUBDEV(MC, 0x44),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv44_mc_ctor,
+		.dtor = _nouveau_mc_dtor,
+		.init = nv44_mc_init,
+		.fini = _nouveau_mc_fini,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c
index e0a9c3f..cedf33b 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv50.c
@@ -1,40 +1,80 @@
 /*
- * Copyright (C) 2007 Ben Skeggs.
- * All Rights Reserved.
+ * 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:
+ * 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 (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
+ * 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 OWNER(S) AND/OR ITS SUPPLIERS 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.
+ * 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 "drmP.h"
-#include "drm.h"
-#include "nouveau_drv.h"
+#include <subdev/mc.h>
 
-int
-nv50_mc_init(struct drm_device *dev)
+struct nv50_mc_priv {
+	struct nouveau_mc base;
+};
+
+static const struct nouveau_mc_intr
+nv50_mc_intr[] = {
+	{ 0x00000001, NVDEV_ENGINE_MPEG },
+	{ 0x00000100, NVDEV_ENGINE_FIFO },
+	{ 0x00001000, NVDEV_ENGINE_GR },
+	{ 0x00004000, NVDEV_ENGINE_CRYPT },	/* NV84- */
+	{ 0x00008000, NVDEV_ENGINE_BSP },	/* NV84- */
+	{ 0x00100000, NVDEV_SUBDEV_TIMER },
+	{ 0x00200000, NVDEV_SUBDEV_GPIO },
+	{ 0x04000000, NVDEV_ENGINE_DISP },
+	{ 0x80000000, NVDEV_ENGINE_SW },
+	{},
+};
+
+static int
+nv50_mc_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+	     struct nouveau_oclass *oclass, void *data, u32 size,
+	     struct nouveau_object **pobject)
 {
-	nv_wr32(dev, NV03_PMC_ENABLE, 0xFFFFFFFF);
+	struct nv50_mc_priv *priv;
+	int ret;
+
+	ret = nouveau_mc_create(parent, engine, oclass, &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	nv_subdev(priv)->intr = nouveau_mc_intr;
+	priv->base.intr_map = nv50_mc_intr;
 	return 0;
 }
 
-void nv50_mc_takedown(struct drm_device *dev)
+int
+nv50_mc_init(struct nouveau_object *object)
 {
+	struct nv50_mc_priv *priv = (void *)object;
+	nv_wr32(priv, 0x000200, 0xffffffff); /* everything on */
+	return nouveau_mc_init(&priv->base);
 }
+
+struct nouveau_oclass
+nv50_mc_oclass = {
+	.handle = NV_SUBDEV(MC, 0x50),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv50_mc_ctor,
+		.dtor = _nouveau_mc_dtor,
+		.init = nv50_mc_init,
+		.fini = _nouveau_mc_fini,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c
new file mode 100644
index 0000000..a001e4c4
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv98.c
@@ -0,0 +1,73 @@
+/*
+ * 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 <subdev/mc.h>
+
+struct nv98_mc_priv {
+	struct nouveau_mc base;
+};
+
+static const struct nouveau_mc_intr
+nv98_mc_intr[] = {
+	{ 0x00000001, NVDEV_ENGINE_PPP },
+	{ 0x00000100, NVDEV_ENGINE_FIFO },
+	{ 0x00001000, NVDEV_ENGINE_GR },
+	{ 0x00004000, NVDEV_ENGINE_CRYPT },	/* NV84:NVA3 */
+	{ 0x00008000, NVDEV_ENGINE_BSP },
+	{ 0x00100000, NVDEV_SUBDEV_TIMER },
+	{ 0x00200000, NVDEV_SUBDEV_GPIO },
+	{ 0x00400000, NVDEV_ENGINE_COPY0 },	/* NVA3-     */
+	{ 0x04000000, NVDEV_ENGINE_DISP },
+	{ 0x80000000, NVDEV_ENGINE_SW },
+	{},
+};
+
+static int
+nv98_mc_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+	     struct nouveau_oclass *oclass, void *data, u32 size,
+	     struct nouveau_object **pobject)
+{
+	struct nv98_mc_priv *priv;
+	int ret;
+
+	ret = nouveau_mc_create(parent, engine, oclass, &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	nv_subdev(priv)->intr = nouveau_mc_intr;
+	priv->base.intr_map = nv98_mc_intr;
+	return 0;
+}
+
+struct nouveau_oclass
+nv98_mc_oclass = {
+	.handle = NV_SUBDEV(MC, 0x98),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nv98_mc_ctor,
+		.dtor = _nouveau_mc_dtor,
+		.init = nv50_mc_init,
+		.fini = _nouveau_mc_fini,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c
new file mode 100644
index 0000000..3fa39bb
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nvc0.c
@@ -0,0 +1,73 @@
+/*
+ * 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 <subdev/mc.h>
+
+struct nvc0_mc_priv {
+	struct nouveau_mc base;
+};
+
+static const struct nouveau_mc_intr
+nvc0_mc_intr[] = {
+	{ 0x00000001, NVDEV_ENGINE_PPP },
+	{ 0x00000020, NVDEV_ENGINE_COPY0 },
+	{ 0x00000040, NVDEV_ENGINE_COPY1 },
+	{ 0x00000100, NVDEV_ENGINE_FIFO },
+	{ 0x00001000, NVDEV_ENGINE_GR },
+	{ 0x00008000, NVDEV_ENGINE_BSP },
+	{ 0x00100000, NVDEV_SUBDEV_TIMER },
+	{ 0x00200000, NVDEV_SUBDEV_GPIO },
+	{ 0x04000000, NVDEV_ENGINE_DISP },
+	{ 0x80000000, NVDEV_ENGINE_SW },
+	{},
+};
+
+static int
+nvc0_mc_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+	     struct nouveau_oclass *oclass, void *data, u32 size,
+	     struct nouveau_object **pobject)
+{
+	struct nvc0_mc_priv *priv;
+	int ret;
+
+	ret = nouveau_mc_create(parent, engine, oclass, &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	nv_subdev(priv)->intr = nouveau_mc_intr;
+	priv->base.intr_map = nvc0_mc_intr;
+	return 0;
+}
+
+struct nouveau_oclass
+nvc0_mc_oclass = {
+	.handle = NV_SUBDEV(MC, 0xc0),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nvc0_mc_ctor,
+		.dtor = _nouveau_mc_dtor,
+		.init = nv50_mc_init,
+		.fini = _nouveau_mc_fini,
+	},
+};