Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

18 files changed, 1442 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/Kbuild
new file mode 100644
index 000000000..ac2b34e9a
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/Kbuild
@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: MIT
+nvkm-y += nvkm/subdev/mc/base.o
+nvkm-y += nvkm/subdev/mc/nv04.o
+nvkm-y += nvkm/subdev/mc/nv11.o
+nvkm-y += nvkm/subdev/mc/nv17.o
+nvkm-y += nvkm/subdev/mc/nv44.o
+nvkm-y += nvkm/subdev/mc/nv50.o
+nvkm-y += nvkm/subdev/mc/g84.o
+nvkm-y += nvkm/subdev/mc/g98.o
+nvkm-y += nvkm/subdev/mc/gt215.o
+nvkm-y += nvkm/subdev/mc/gf100.o
+nvkm-y += nvkm/subdev/mc/gk104.o
+nvkm-y += nvkm/subdev/mc/gk20a.o
+nvkm-y += nvkm/subdev/mc/gp100.o
+nvkm-y += nvkm/subdev/mc/gp10b.o
+nvkm-y += nvkm/subdev/mc/tu102.o
+nvkm-y += nvkm/subdev/mc/ga100.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c
new file mode 100644
index 000000000..21c4af3f8
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c
@@ -0,0 +1,227 @@
+/*
+ * 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 "priv.h"
+
+#include <core/option.h>
+#include <subdev/top.h>
+
+void
+nvkm_mc_unk260(struct nvkm_device *device, u32 data)
+{
+	struct nvkm_mc *mc = device->mc;
+	if (likely(mc) && mc->func->unk260)
+		mc->func->unk260(mc, data);
+}
+
+void
+nvkm_mc_intr_mask(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, bool en)
+{
+	struct nvkm_mc *mc = device->mc;
+	const struct nvkm_mc_map *map;
+	if (likely(mc) && mc->func->intr_mask) {
+		u32 mask = nvkm_top_intr_mask(device, type, inst);
+		for (map = mc->func->intr; !mask && map->stat; map++) {
+			if (map->type == type && map->inst == inst)
+				mask = map->stat;
+		}
+		mc->func->intr_mask(mc, mask, en ? mask : 0);
+	}
+}
+
+void
+nvkm_mc_intr_unarm(struct nvkm_device *device)
+{
+	struct nvkm_mc *mc = device->mc;
+	if (likely(mc))
+		mc->func->intr_unarm(mc);
+}
+
+void
+nvkm_mc_intr_rearm(struct nvkm_device *device)
+{
+	struct nvkm_mc *mc = device->mc;
+	if (likely(mc))
+		mc->func->intr_rearm(mc);
+}
+
+static u32
+nvkm_mc_intr_stat(struct nvkm_mc *mc)
+{
+	u32 intr = mc->func->intr_stat(mc);
+	if (WARN_ON_ONCE(intr == 0xffffffff))
+		intr = 0; /* likely fallen off the bus */
+	return intr;
+}
+
+void
+nvkm_mc_intr(struct nvkm_device *device, bool *handled)
+{
+	struct nvkm_mc *mc = device->mc;
+	struct nvkm_top *top = device->top;
+	struct nvkm_top_device *tdev;
+	struct nvkm_subdev *subdev;
+	const struct nvkm_mc_map *map;
+	u32 stat, intr;
+
+	if (unlikely(!mc))
+		return;
+
+	stat = intr = nvkm_mc_intr_stat(mc);
+
+	if (top) {
+		list_for_each_entry(tdev, &top->device, head) {
+			if (tdev->intr >= 0 && (stat & BIT(tdev->intr))) {
+				subdev = nvkm_device_subdev(device, tdev->type, tdev->inst);
+				if (subdev) {
+					nvkm_subdev_intr(subdev);
+					stat &= ~BIT(tdev->intr);
+					if (!stat)
+						break;
+				}
+			}
+		}
+	}
+
+	for (map = mc->func->intr; map->stat; map++) {
+		if (intr & map->stat) {
+			subdev = nvkm_device_subdev(device, map->type, map->inst);
+			if (subdev)
+				nvkm_subdev_intr(subdev);
+			stat &= ~map->stat;
+		}
+	}
+
+	if (stat)
+		nvkm_error(&mc->subdev, "intr %08x\n", stat);
+	*handled = intr != 0;
+}
+
+static u32
+nvkm_mc_reset_mask(struct nvkm_device *device, bool isauto, enum nvkm_subdev_type type, int inst)
+{
+	struct nvkm_mc *mc = device->mc;
+	const struct nvkm_mc_map *map;
+	u64 pmc_enable = 0;
+	if (likely(mc)) {
+		if (!(pmc_enable = nvkm_top_reset(device, type, inst))) {
+			for (map = mc->func->reset; map && map->stat; map++) {
+				if (!isauto || !map->noauto) {
+					if (map->type == type && map->inst == inst) {
+						pmc_enable = map->stat;
+						break;
+					}
+				}
+			}
+		}
+	}
+	return pmc_enable;
+}
+
+void
+nvkm_mc_reset(struct nvkm_device *device, enum nvkm_subdev_type type, int inst)
+{
+	u64 pmc_enable = nvkm_mc_reset_mask(device, true, type, inst);
+	if (pmc_enable) {
+		nvkm_mask(device, 0x000200, pmc_enable, 0x00000000);
+		nvkm_mask(device, 0x000200, pmc_enable, pmc_enable);
+		nvkm_rd32(device, 0x000200);
+	}
+}
+
+void
+nvkm_mc_disable(struct nvkm_device *device, enum nvkm_subdev_type type, int inst)
+{
+	u64 pmc_enable = nvkm_mc_reset_mask(device, false, type, inst);
+	if (pmc_enable)
+		nvkm_mask(device, 0x000200, pmc_enable, 0x00000000);
+}
+
+void
+nvkm_mc_enable(struct nvkm_device *device, enum nvkm_subdev_type type, int inst)
+{
+	u64 pmc_enable = nvkm_mc_reset_mask(device, false, type, inst);
+	if (pmc_enable) {
+		nvkm_mask(device, 0x000200, pmc_enable, pmc_enable);
+		nvkm_rd32(device, 0x000200);
+	}
+}
+
+bool
+nvkm_mc_enabled(struct nvkm_device *device, enum nvkm_subdev_type type, int inst)
+{
+	u64 pmc_enable = nvkm_mc_reset_mask(device, false, type, inst);
+
+	return (pmc_enable != 0) &&
+	       ((nvkm_rd32(device, 0x000200) & pmc_enable) == pmc_enable);
+}
+
+
+static int
+nvkm_mc_fini(struct nvkm_subdev *subdev, bool suspend)
+{
+	nvkm_mc_intr_unarm(subdev->device);
+	return 0;
+}
+
+static int
+nvkm_mc_init(struct nvkm_subdev *subdev)
+{
+	struct nvkm_mc *mc = nvkm_mc(subdev);
+	if (mc->func->init)
+		mc->func->init(mc);
+	nvkm_mc_intr_rearm(subdev->device);
+	return 0;
+}
+
+static void *
+nvkm_mc_dtor(struct nvkm_subdev *subdev)
+{
+	return nvkm_mc(subdev);
+}
+
+static const struct nvkm_subdev_func
+nvkm_mc = {
+	.dtor = nvkm_mc_dtor,
+	.init = nvkm_mc_init,
+	.fini = nvkm_mc_fini,
+};
+
+void
+nvkm_mc_ctor(const struct nvkm_mc_func *func, struct nvkm_device *device,
+	     enum nvkm_subdev_type type, int inst, struct nvkm_mc *mc)
+{
+	nvkm_subdev_ctor(&nvkm_mc, device, type, inst, &mc->subdev);
+	mc->func = func;
+}
+
+int
+nvkm_mc_new_(const struct nvkm_mc_func *func, struct nvkm_device *device,
+	     enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	struct nvkm_mc *mc;
+	if (!(mc = *pmc = kzalloc(sizeof(*mc), GFP_KERNEL)))
+		return -ENOMEM;
+	nvkm_mc_ctor(func, device, type, inst, *pmc);
+	return 0;
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g84.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g84.c
new file mode 100644
index 000000000..4cfc1c984
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g84.c
@@ -0,0 +1,68 @@
+/*
+ * 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 "priv.h"
+
+static const struct nvkm_mc_map
+g84_mc_reset[] = {
+	{ 0x04008000, NVKM_ENGINE_BSP },
+	{ 0x02004000, NVKM_ENGINE_CIPHER },
+	{ 0x01020000, NVKM_ENGINE_VP },
+	{ 0x00400002, NVKM_ENGINE_MPEG },
+	{ 0x00201000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{}
+};
+
+static const struct nvkm_mc_map
+g84_mc_intr[] = {
+	{ 0x04000000, NVKM_ENGINE_DISP },
+	{ 0x00020000, NVKM_ENGINE_VP },
+	{ 0x00008000, NVKM_ENGINE_BSP },
+	{ 0x00004000, NVKM_ENGINE_CIPHER },
+	{ 0x00001000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x00000001, NVKM_ENGINE_MPEG },
+	{ 0x0002d101, NVKM_SUBDEV_FB },
+	{ 0x10000000, NVKM_SUBDEV_BUS },
+	{ 0x00200000, NVKM_SUBDEV_GPIO },
+	{ 0x00200000, NVKM_SUBDEV_I2C },
+	{ 0x00100000, NVKM_SUBDEV_TIMER },
+	{},
+};
+
+static const struct nvkm_mc_func
+g84_mc = {
+	.init = nv50_mc_init,
+	.intr = g84_mc_intr,
+	.intr_unarm = nv04_mc_intr_unarm,
+	.intr_rearm = nv04_mc_intr_rearm,
+	.intr_stat = nv04_mc_intr_stat,
+	.reset = g84_mc_reset,
+};
+
+int
+g84_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&g84_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g98.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g98.c
new file mode 100644
index 000000000..b7e58d75d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g98.c
@@ -0,0 +1,68 @@
+/*
+ * 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 "priv.h"
+
+static const struct nvkm_mc_map
+g98_mc_reset[] = {
+	{ 0x04008000, NVKM_ENGINE_MSVLD },
+	{ 0x02004000, NVKM_ENGINE_SEC },
+	{ 0x01020000, NVKM_ENGINE_MSPDEC },
+	{ 0x00400002, NVKM_ENGINE_MSPPP },
+	{ 0x00201000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{}
+};
+
+static const struct nvkm_mc_map
+g98_mc_intr[] = {
+	{ 0x04000000, NVKM_ENGINE_DISP },
+	{ 0x00020000, NVKM_ENGINE_MSPDEC },
+	{ 0x00008000, NVKM_ENGINE_MSVLD },
+	{ 0x00004000, NVKM_ENGINE_SEC },
+	{ 0x00001000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x00000001, NVKM_ENGINE_MSPPP },
+	{ 0x0002d101, NVKM_SUBDEV_FB },
+	{ 0x10000000, NVKM_SUBDEV_BUS },
+	{ 0x00200000, NVKM_SUBDEV_GPIO },
+	{ 0x00200000, NVKM_SUBDEV_I2C },
+	{ 0x00100000, NVKM_SUBDEV_TIMER },
+	{},
+};
+
+static const struct nvkm_mc_func
+g98_mc = {
+	.init = nv50_mc_init,
+	.intr = g98_mc_intr,
+	.intr_unarm = nv04_mc_intr_unarm,
+	.intr_rearm = nv04_mc_intr_rearm,
+	.intr_stat = nv04_mc_intr_stat,
+	.reset = g98_mc_reset,
+};
+
+int
+g98_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&g98_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/ga100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/ga100.c
new file mode 100644
index 000000000..4105175df
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/ga100.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2021 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.
+ */
+#include "priv.h"
+
+static void
+ga100_mc_intr_unarm(struct nvkm_mc *mc)
+{
+	nvkm_wr32(mc->subdev.device, 0xb81610, 0x00000004);
+}
+
+static void
+ga100_mc_intr_rearm(struct nvkm_mc *mc)
+{
+	nvkm_wr32(mc->subdev.device, 0xb81608, 0x00000004);
+}
+
+static void
+ga100_mc_intr_mask(struct nvkm_mc *mc, u32 mask, u32 intr)
+{
+	nvkm_wr32(mc->subdev.device, 0xb81210,          mask & intr );
+	nvkm_wr32(mc->subdev.device, 0xb81410, mask & ~(mask & intr));
+}
+
+static u32
+ga100_mc_intr_stat(struct nvkm_mc *mc)
+{
+	u32 intr_top = nvkm_rd32(mc->subdev.device, 0xb81600), intr = 0x00000000;
+	if (intr_top & 0x00000004)
+		intr = nvkm_mask(mc->subdev.device, 0xb81010, 0x00000000, 0x00000000);
+	return intr;
+}
+
+static void
+ga100_mc_init(struct nvkm_mc *mc)
+{
+	nv50_mc_init(mc);
+	nvkm_wr32(mc->subdev.device, 0xb81210, 0xffffffff);
+}
+
+static const struct nvkm_mc_func
+ga100_mc = {
+	.init = ga100_mc_init,
+	.intr = gp100_mc_intr,
+	.intr_unarm = ga100_mc_intr_unarm,
+	.intr_rearm = ga100_mc_intr_rearm,
+	.intr_mask = ga100_mc_intr_mask,
+	.intr_stat = ga100_mc_intr_stat,
+	.reset = gk104_mc_reset,
+};
+
+int
+ga100_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&ga100_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf100.c
new file mode 100644
index 000000000..3a589c6f7
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf100.c
@@ -0,0 +1,118 @@
+/*
+ * 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 "priv.h"
+
+static const struct nvkm_mc_map
+gf100_mc_reset[] = {
+	{ 0x00020000, NVKM_ENGINE_MSPDEC },
+	{ 0x00008000, NVKM_ENGINE_MSVLD },
+	{ 0x00002000, NVKM_SUBDEV_PMU, 0, true },
+	{ 0x00001000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x00000080, NVKM_ENGINE_CE, 1 },
+	{ 0x00000040, NVKM_ENGINE_CE, 0 },
+	{ 0x00000002, NVKM_ENGINE_MSPPP },
+	{}
+};
+
+static const struct nvkm_mc_map
+gf100_mc_intr[] = {
+	{ 0x04000000, NVKM_ENGINE_DISP },
+	{ 0x00020000, NVKM_ENGINE_MSPDEC },
+	{ 0x00008000, NVKM_ENGINE_MSVLD },
+	{ 0x00001000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x00000040, NVKM_ENGINE_CE, 1 },
+	{ 0x00000020, NVKM_ENGINE_CE, 0 },
+	{ 0x00000001, NVKM_ENGINE_MSPPP },
+	{ 0x40000000, NVKM_SUBDEV_PRIVRING },
+	{ 0x10000000, NVKM_SUBDEV_BUS },
+	{ 0x08000000, NVKM_SUBDEV_FB },
+	{ 0x02000000, NVKM_SUBDEV_LTC },
+	{ 0x01000000, NVKM_SUBDEV_PMU },
+	{ 0x00200000, NVKM_SUBDEV_GPIO },
+	{ 0x00200000, NVKM_SUBDEV_I2C },
+	{ 0x00100000, NVKM_SUBDEV_TIMER },
+	{ 0x00040000, NVKM_SUBDEV_THERM },
+	{ 0x00002000, NVKM_SUBDEV_FB },
+	{},
+};
+
+void
+gf100_mc_intr_unarm(struct nvkm_mc *mc)
+{
+	struct nvkm_device *device = mc->subdev.device;
+	nvkm_wr32(device, 0x000140, 0x00000000);
+	nvkm_wr32(device, 0x000144, 0x00000000);
+	nvkm_rd32(device, 0x000140);
+}
+
+void
+gf100_mc_intr_rearm(struct nvkm_mc *mc)
+{
+	struct nvkm_device *device = mc->subdev.device;
+	nvkm_wr32(device, 0x000140, 0x00000001);
+	nvkm_wr32(device, 0x000144, 0x00000001);
+}
+
+u32
+gf100_mc_intr_stat(struct nvkm_mc *mc)
+{
+	struct nvkm_device *device = mc->subdev.device;
+	u32 intr0 = nvkm_rd32(device, 0x000100);
+	u32 intr1 = nvkm_rd32(device, 0x000104);
+	return intr0 | intr1;
+}
+
+void
+gf100_mc_intr_mask(struct nvkm_mc *mc, u32 mask, u32 stat)
+{
+	struct nvkm_device *device = mc->subdev.device;
+	nvkm_mask(device, 0x000640, mask, stat);
+	nvkm_mask(device, 0x000644, mask, stat);
+}
+
+void
+gf100_mc_unk260(struct nvkm_mc *mc, u32 data)
+{
+	nvkm_wr32(mc->subdev.device, 0x000260, data);
+}
+
+static const struct nvkm_mc_func
+gf100_mc = {
+	.init = nv50_mc_init,
+	.intr = gf100_mc_intr,
+	.intr_unarm = gf100_mc_intr_unarm,
+	.intr_rearm = gf100_mc_intr_rearm,
+	.intr_mask = gf100_mc_intr_mask,
+	.intr_stat = gf100_mc_intr_stat,
+	.reset = gf100_mc_reset,
+	.unk260 = gf100_mc_unk260,
+};
+
+int
+gf100_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&gf100_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk104.c
new file mode 100644
index 000000000..d9b9067fa
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk104.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2016 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 "priv.h"
+
+const struct nvkm_mc_map
+gk104_mc_reset[] = {
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x00002000, NVKM_SUBDEV_PMU, 0, true },
+	{}
+};
+
+const struct nvkm_mc_map
+gk104_mc_intr[] = {
+	{ 0x04000000, NVKM_ENGINE_DISP },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x40000000, NVKM_SUBDEV_PRIVRING },
+	{ 0x10000000, NVKM_SUBDEV_BUS },
+	{ 0x08000000, NVKM_SUBDEV_FB },
+	{ 0x02000000, NVKM_SUBDEV_LTC },
+	{ 0x01000000, NVKM_SUBDEV_PMU },
+	{ 0x00200000, NVKM_SUBDEV_GPIO },
+	{ 0x00200000, NVKM_SUBDEV_I2C },
+	{ 0x00100000, NVKM_SUBDEV_TIMER },
+	{ 0x00040000, NVKM_SUBDEV_THERM },
+	{ 0x00002000, NVKM_SUBDEV_FB },
+	{},
+};
+
+static const struct nvkm_mc_func
+gk104_mc = {
+	.init = nv50_mc_init,
+	.intr = gk104_mc_intr,
+	.intr_unarm = gf100_mc_intr_unarm,
+	.intr_rearm = gf100_mc_intr_rearm,
+	.intr_mask = gf100_mc_intr_mask,
+	.intr_stat = gf100_mc_intr_stat,
+	.reset = gk104_mc_reset,
+	.unk260 = gf100_mc_unk260,
+};
+
+int
+gk104_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&gk104_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk20a.c
new file mode 100644
index 000000000..035902927
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk20a.c
@@ -0,0 +1,41 @@
+/*
+ * 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 "priv.h"
+
+static const struct nvkm_mc_func
+gk20a_mc = {
+	.init = nv50_mc_init,
+	.intr = gk104_mc_intr,
+	.intr_unarm = gf100_mc_intr_unarm,
+	.intr_rearm = gf100_mc_intr_rearm,
+	.intr_mask = gf100_mc_intr_mask,
+	.intr_stat = gf100_mc_intr_stat,
+	.reset = gk104_mc_reset,
+};
+
+int
+gk20a_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&gk20a_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c
new file mode 100644
index 000000000..5fd1a0595
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c
@@ -0,0 +1,128 @@
+/*
+ * 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
+ */
+#define gp100_mc(p) container_of((p), struct gp100_mc, base)
+#include "priv.h"
+
+struct gp100_mc {
+	struct nvkm_mc base;
+	spinlock_t lock;
+	bool intr;
+	u32 mask;
+};
+
+static void
+gp100_mc_intr_update(struct gp100_mc *mc)
+{
+	struct nvkm_device *device = mc->base.subdev.device;
+	u32 mask = mc->intr ? mc->mask : 0, i;
+	for (i = 0; i < 2; i++) {
+		nvkm_wr32(device, 0x000180 + (i * 0x04), ~mask);
+		nvkm_wr32(device, 0x000160 + (i * 0x04),  mask);
+	}
+}
+
+void
+gp100_mc_intr_unarm(struct nvkm_mc *base)
+{
+	struct gp100_mc *mc = gp100_mc(base);
+	unsigned long flags;
+	spin_lock_irqsave(&mc->lock, flags);
+	mc->intr = false;
+	gp100_mc_intr_update(mc);
+	spin_unlock_irqrestore(&mc->lock, flags);
+}
+
+void
+gp100_mc_intr_rearm(struct nvkm_mc *base)
+{
+	struct gp100_mc *mc = gp100_mc(base);
+	unsigned long flags;
+	spin_lock_irqsave(&mc->lock, flags);
+	mc->intr = true;
+	gp100_mc_intr_update(mc);
+	spin_unlock_irqrestore(&mc->lock, flags);
+}
+
+void
+gp100_mc_intr_mask(struct nvkm_mc *base, u32 mask, u32 intr)
+{
+	struct gp100_mc *mc = gp100_mc(base);
+	unsigned long flags;
+	spin_lock_irqsave(&mc->lock, flags);
+	mc->mask = (mc->mask & ~mask) | intr;
+	gp100_mc_intr_update(mc);
+	spin_unlock_irqrestore(&mc->lock, flags);
+}
+
+const struct nvkm_mc_map
+gp100_mc_intr[] = {
+	{ 0x04000000, NVKM_ENGINE_DISP },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x00000200, NVKM_SUBDEV_FAULT },
+	{ 0x40000000, NVKM_SUBDEV_PRIVRING },
+	{ 0x10000000, NVKM_SUBDEV_BUS },
+	{ 0x08000000, NVKM_SUBDEV_FB },
+	{ 0x02000000, NVKM_SUBDEV_LTC },
+	{ 0x01000000, NVKM_SUBDEV_PMU },
+	{ 0x00200000, NVKM_SUBDEV_GPIO },
+	{ 0x00200000, NVKM_SUBDEV_I2C },
+	{ 0x00100000, NVKM_SUBDEV_TIMER },
+	{ 0x00040000, NVKM_SUBDEV_THERM },
+	{ 0x00002000, NVKM_SUBDEV_FB },
+	{},
+};
+
+static const struct nvkm_mc_func
+gp100_mc = {
+	.init = nv50_mc_init,
+	.intr = gp100_mc_intr,
+	.intr_unarm = gp100_mc_intr_unarm,
+	.intr_rearm = gp100_mc_intr_rearm,
+	.intr_mask = gp100_mc_intr_mask,
+	.intr_stat = gf100_mc_intr_stat,
+	.reset = gk104_mc_reset,
+};
+
+int
+gp100_mc_new_(const struct nvkm_mc_func *func, struct nvkm_device *device,
+	      enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	struct gp100_mc *mc;
+
+	if (!(mc = kzalloc(sizeof(*mc), GFP_KERNEL)))
+		return -ENOMEM;
+	nvkm_mc_ctor(func, device, type, inst, &mc->base);
+	*pmc = &mc->base;
+
+	spin_lock_init(&mc->lock);
+	mc->intr = false;
+	mc->mask = 0x7fffffff;
+	return 0;
+}
+
+int
+gp100_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return gp100_mc_new_(&gp100_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp10b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp10b.c
new file mode 100644
index 000000000..dd581d030
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp10b.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2017, 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 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.
+ *
+ */
+
+#include "priv.h"
+
+static void
+gp10b_mc_init(struct nvkm_mc *mc)
+{
+	struct nvkm_device *device = mc->subdev.device;
+	nvkm_wr32(device, 0x000200, 0xffffffff); /* everything on */
+	nvkm_wr32(device, 0x00020c, 0xffffffff); /* everything out of ELPG */
+}
+
+static const struct nvkm_mc_func
+gp10b_mc = {
+	.init = gp10b_mc_init,
+	.intr = gp100_mc_intr,
+	.intr_unarm = gp100_mc_intr_unarm,
+	.intr_rearm = gp100_mc_intr_rearm,
+	.intr_mask = gp100_mc_intr_mask,
+	.intr_stat = gf100_mc_intr_stat,
+	.reset = gk104_mc_reset,
+};
+
+int
+gp10b_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return gp100_mc_new_(&gp10b_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gt215.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gt215.c
new file mode 100644
index 000000000..1b4d43531
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gt215.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2016 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 "priv.h"
+
+static const struct nvkm_mc_map
+gt215_mc_reset[] = {
+	{ 0x04008000, NVKM_ENGINE_MSVLD },
+	{ 0x01020000, NVKM_ENGINE_MSPDEC },
+	{ 0x00802000, NVKM_ENGINE_CE, 0 },
+	{ 0x00400002, NVKM_ENGINE_MSPPP },
+	{ 0x00201000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{}
+};
+
+static const struct nvkm_mc_map
+gt215_mc_intr[] = {
+	{ 0x04000000, NVKM_ENGINE_DISP },
+	{ 0x00400000, NVKM_ENGINE_CE, 0 },
+	{ 0x00020000, NVKM_ENGINE_MSPDEC },
+	{ 0x00008000, NVKM_ENGINE_MSVLD },
+	{ 0x00001000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x00000001, NVKM_ENGINE_MSPPP },
+	{ 0x00429101, NVKM_SUBDEV_FB },
+	{ 0x10000000, NVKM_SUBDEV_BUS },
+	{ 0x00200000, NVKM_SUBDEV_GPIO },
+	{ 0x00200000, NVKM_SUBDEV_I2C },
+	{ 0x00100000, NVKM_SUBDEV_TIMER },
+	{ 0x00080000, NVKM_SUBDEV_THERM },
+	{ 0x00040000, NVKM_SUBDEV_PMU },
+	{},
+};
+
+static void
+gt215_mc_intr_mask(struct nvkm_mc *mc, u32 mask, u32 stat)
+{
+	nvkm_mask(mc->subdev.device, 0x000640, mask, stat);
+}
+
+static const struct nvkm_mc_func
+gt215_mc = {
+	.init = nv50_mc_init,
+	.intr = gt215_mc_intr,
+	.intr_unarm = nv04_mc_intr_unarm,
+	.intr_rearm = nv04_mc_intr_rearm,
+	.intr_mask = gt215_mc_intr_mask,
+	.intr_stat = nv04_mc_intr_stat,
+	.reset = gt215_mc_reset,
+};
+
+int
+gt215_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&gt215_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c
new file mode 100644
index 000000000..bc0d09baf
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c
@@ -0,0 +1,86 @@
+/*
+ * 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 "priv.h"
+
+const struct nvkm_mc_map
+nv04_mc_reset[] = {
+	{ 0x00001000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{}
+};
+
+static const struct nvkm_mc_map
+nv04_mc_intr[] = {
+	{ 0x01010000, NVKM_ENGINE_DISP },
+	{ 0x00001000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x10000000, NVKM_SUBDEV_BUS },
+	{ 0x00100000, NVKM_SUBDEV_TIMER },
+	{}
+};
+
+void
+nv04_mc_intr_unarm(struct nvkm_mc *mc)
+{
+	struct nvkm_device *device = mc->subdev.device;
+	nvkm_wr32(device, 0x000140, 0x00000000);
+	nvkm_rd32(device, 0x000140);
+}
+
+void
+nv04_mc_intr_rearm(struct nvkm_mc *mc)
+{
+	struct nvkm_device *device = mc->subdev.device;
+	nvkm_wr32(device, 0x000140, 0x00000001);
+}
+
+u32
+nv04_mc_intr_stat(struct nvkm_mc *mc)
+{
+	return nvkm_rd32(mc->subdev.device, 0x000100);
+}
+
+void
+nv04_mc_init(struct nvkm_mc *mc)
+{
+	struct nvkm_device *device = mc->subdev.device;
+	nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */
+	nvkm_wr32(device, 0x001850, 0x00000001); /* disable rom access */
+}
+
+static const struct nvkm_mc_func
+nv04_mc = {
+	.init = nv04_mc_init,
+	.intr = nv04_mc_intr,
+	.intr_unarm = nv04_mc_intr_unarm,
+	.intr_rearm = nv04_mc_intr_rearm,
+	.intr_stat = nv04_mc_intr_stat,
+	.reset = nv04_mc_reset,
+};
+
+int
+nv04_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&nv04_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv11.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv11.c
new file mode 100644
index 000000000..ab59ca1ee
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv11.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2016 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"
+
+static const struct nvkm_mc_map
+nv11_mc_intr[] = {
+	{ 0x03010000, NVKM_ENGINE_DISP },
+	{ 0x00001000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x10000000, NVKM_SUBDEV_BUS },
+	{ 0x00100000, NVKM_SUBDEV_TIMER },
+	{}
+};
+
+static const struct nvkm_mc_func
+nv11_mc = {
+	.init = nv04_mc_init,
+	.intr = nv11_mc_intr,
+	.intr_unarm = nv04_mc_intr_unarm,
+	.intr_rearm = nv04_mc_intr_rearm,
+	.intr_stat = nv04_mc_intr_stat,
+	.reset = nv04_mc_reset,
+};
+
+int
+nv11_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&nv11_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv17.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv17.c
new file mode 100644
index 000000000..03d756e26
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv17.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2016 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"
+
+const struct nvkm_mc_map
+nv17_mc_reset[] = {
+	{ 0x00001000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x00000002, NVKM_ENGINE_MPEG },
+	{}
+};
+
+const struct nvkm_mc_map
+nv17_mc_intr[] = {
+	{ 0x03010000, NVKM_ENGINE_DISP },
+	{ 0x00001000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x00000001, NVKM_ENGINE_MPEG },
+	{ 0x10000000, NVKM_SUBDEV_BUS },
+	{ 0x00100000, NVKM_SUBDEV_TIMER },
+	{}
+};
+
+static const struct nvkm_mc_func
+nv17_mc = {
+	.init = nv04_mc_init,
+	.intr = nv17_mc_intr,
+	.intr_unarm = nv04_mc_intr_unarm,
+	.intr_rearm = nv04_mc_intr_rearm,
+	.intr_stat = nv04_mc_intr_stat,
+	.reset = nv17_mc_reset,
+};
+
+int
+nv17_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&nv17_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c
new file mode 100644
index 000000000..95f65766e
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c
@@ -0,0 +1,54 @@
+/*
+ * 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 "priv.h"
+
+void
+nv44_mc_init(struct nvkm_mc *mc)
+{
+	struct nvkm_device *device = mc->subdev.device;
+	u32 tmp = nvkm_rd32(device, 0x10020c);
+
+	nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */
+
+	nvkm_wr32(device, 0x001700, tmp);
+	nvkm_wr32(device, 0x001704, 0);
+	nvkm_wr32(device, 0x001708, 0);
+	nvkm_wr32(device, 0x00170c, tmp);
+}
+
+static const struct nvkm_mc_func
+nv44_mc = {
+	.init = nv44_mc_init,
+	.intr = nv17_mc_intr,
+	.intr_unarm = nv04_mc_intr_unarm,
+	.intr_rearm = nv04_mc_intr_rearm,
+	.intr_stat = nv04_mc_intr_stat,
+	.reset = nv17_mc_reset,
+};
+
+int
+nv44_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&nv44_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c
new file mode 100644
index 000000000..fce3613cd
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c
@@ -0,0 +1,61 @@
+/*
+ * 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 "priv.h"
+
+static const struct nvkm_mc_map
+nv50_mc_intr[] = {
+	{ 0x04000000, NVKM_ENGINE_DISP },
+	{ 0x00001000, NVKM_ENGINE_GR },
+	{ 0x00000100, NVKM_ENGINE_FIFO },
+	{ 0x00000001, NVKM_ENGINE_MPEG },
+	{ 0x00001101, NVKM_SUBDEV_FB },
+	{ 0x10000000, NVKM_SUBDEV_BUS },
+	{ 0x00200000, NVKM_SUBDEV_GPIO },
+	{ 0x00200000, NVKM_SUBDEV_I2C },
+	{ 0x00100000, NVKM_SUBDEV_TIMER },
+	{},
+};
+
+void
+nv50_mc_init(struct nvkm_mc *mc)
+{
+	struct nvkm_device *device = mc->subdev.device;
+	nvkm_wr32(device, 0x000200, 0xffffffff); /* everything on */
+}
+
+static const struct nvkm_mc_func
+nv50_mc = {
+	.init = nv50_mc_init,
+	.intr = nv50_mc_intr,
+	.intr_unarm = nv04_mc_intr_unarm,
+	.intr_rearm = nv04_mc_intr_rearm,
+	.intr_stat = nv04_mc_intr_stat,
+	.reset = nv17_mc_reset,
+};
+
+int
+nv50_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&nv50_mc, device, type, inst, pmc);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h
new file mode 100644
index 000000000..c8bcabb98
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_MC_PRIV_H__
+#define __NVKM_MC_PRIV_H__
+#define nvkm_mc(p) container_of((p), struct nvkm_mc, subdev)
+#include <subdev/mc.h>
+
+void nvkm_mc_ctor(const struct nvkm_mc_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
+		  struct nvkm_mc *);
+int nvkm_mc_new_(const struct nvkm_mc_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
+		 struct nvkm_mc **);
+
+struct nvkm_mc_map {
+	u32 stat;
+	enum nvkm_subdev_type type;
+	int inst;
+	bool noauto;
+};
+
+struct nvkm_mc_func {
+	void (*init)(struct nvkm_mc *);
+	const struct nvkm_mc_map *intr;
+	/* disable reporting of interrupts to host */
+	void (*intr_unarm)(struct nvkm_mc *);
+	/* enable reporting of interrupts to host */
+	void (*intr_rearm)(struct nvkm_mc *);
+	/* (un)mask delivery of specific interrupts */
+	void (*intr_mask)(struct nvkm_mc *, u32 mask, u32 stat);
+	/* retrieve pending interrupt mask (NV_PMC_INTR) */
+	u32 (*intr_stat)(struct nvkm_mc *);
+	const struct nvkm_mc_map *reset;
+	void (*unk260)(struct nvkm_mc *, u32);
+};
+
+void nv04_mc_init(struct nvkm_mc *);
+void nv04_mc_intr_unarm(struct nvkm_mc *);
+void nv04_mc_intr_rearm(struct nvkm_mc *);
+u32 nv04_mc_intr_stat(struct nvkm_mc *);
+extern const struct nvkm_mc_map nv04_mc_reset[];
+
+extern const struct nvkm_mc_map nv17_mc_intr[];
+extern const struct nvkm_mc_map nv17_mc_reset[];
+
+void nv44_mc_init(struct nvkm_mc *);
+
+void nv50_mc_init(struct nvkm_mc *);
+void gk104_mc_init(struct nvkm_mc *);
+
+void gf100_mc_intr_unarm(struct nvkm_mc *);
+void gf100_mc_intr_rearm(struct nvkm_mc *);
+void gf100_mc_intr_mask(struct nvkm_mc *, u32, u32);
+u32 gf100_mc_intr_stat(struct nvkm_mc *);
+void gf100_mc_unk260(struct nvkm_mc *, u32);
+void gp100_mc_intr_unarm(struct nvkm_mc *);
+void gp100_mc_intr_rearm(struct nvkm_mc *);
+void gp100_mc_intr_mask(struct nvkm_mc *, u32, u32);
+int gp100_mc_new_(const struct nvkm_mc_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
+		  struct nvkm_mc **);
+
+extern const struct nvkm_mc_map gk104_mc_intr[];
+extern const struct nvkm_mc_map gk104_mc_reset[];
+
+extern const struct nvkm_mc_map gp100_mc_intr[];
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c
new file mode 100644
index 000000000..a96084b34
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright 2018 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.
+ */
+#define tu102_mc(p) container_of((p), struct tu102_mc, base)
+#include "priv.h"
+
+struct tu102_mc {
+	struct nvkm_mc base;
+	spinlock_t lock;
+	bool intr;
+	u32 mask;
+};
+
+static void
+tu102_mc_intr_update(struct tu102_mc *mc)
+{
+	struct nvkm_device *device = mc->base.subdev.device;
+	u32 mask = mc->intr ? mc->mask : 0, i;
+
+	for (i = 0; i < 2; i++) {
+		nvkm_wr32(device, 0x000180 + (i * 0x04), ~mask);
+		nvkm_wr32(device, 0x000160 + (i * 0x04),  mask);
+	}
+
+	if (mask & 0x00000200)
+		nvkm_wr32(device, 0xb81608, 0x6);
+	else
+		nvkm_wr32(device, 0xb81610, 0x6);
+}
+
+static void
+tu102_mc_intr_unarm(struct nvkm_mc *base)
+{
+	struct tu102_mc *mc = tu102_mc(base);
+	unsigned long flags;
+
+	spin_lock_irqsave(&mc->lock, flags);
+	mc->intr = false;
+	tu102_mc_intr_update(mc);
+	spin_unlock_irqrestore(&mc->lock, flags);
+}
+
+static void
+tu102_mc_intr_rearm(struct nvkm_mc *base)
+{
+	struct tu102_mc *mc = tu102_mc(base);
+	unsigned long flags;
+
+	spin_lock_irqsave(&mc->lock, flags);
+	mc->intr = true;
+	tu102_mc_intr_update(mc);
+	spin_unlock_irqrestore(&mc->lock, flags);
+}
+
+static void
+tu102_mc_intr_mask(struct nvkm_mc *base, u32 mask, u32 intr)
+{
+	struct tu102_mc *mc = tu102_mc(base);
+	unsigned long flags;
+
+	spin_lock_irqsave(&mc->lock, flags);
+	mc->mask = (mc->mask & ~mask) | intr;
+	tu102_mc_intr_update(mc);
+	spin_unlock_irqrestore(&mc->lock, flags);
+}
+
+static u32
+tu102_mc_intr_stat(struct nvkm_mc *mc)
+{
+	struct nvkm_device *device = mc->subdev.device;
+	u32 intr0 = nvkm_rd32(device, 0x000100);
+	u32 intr1 = nvkm_rd32(device, 0x000104);
+	u32 intr_top = nvkm_rd32(device, 0xb81600);
+
+	/* Turing and above route the MMU fault interrupts via a different
+	 * interrupt tree with different control registers. For the moment remap
+	 * them back to the old PMC vector.
+	 */
+	if (intr_top & 0x00000006)
+		intr0 |= 0x00000200;
+
+	return intr0 | intr1;
+}
+
+
+static const struct nvkm_mc_func
+tu102_mc = {
+	.init = nv50_mc_init,
+	.intr = gp100_mc_intr,
+	.intr_unarm = tu102_mc_intr_unarm,
+	.intr_rearm = tu102_mc_intr_rearm,
+	.intr_mask = tu102_mc_intr_mask,
+	.intr_stat = tu102_mc_intr_stat,
+	.reset = gk104_mc_reset,
+};
+
+static int
+tu102_mc_new_(const struct nvkm_mc_func *func, struct nvkm_device *device,
+	      enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	struct tu102_mc *mc;
+
+	if (!(mc = kzalloc(sizeof(*mc), GFP_KERNEL)))
+		return -ENOMEM;
+	nvkm_mc_ctor(func, device, type, inst, &mc->base);
+	*pmc = &mc->base;
+
+	spin_lock_init(&mc->lock);
+	mc->intr = false;
+	mc->mask = 0x7fffffff;
+	return 0;
+}
+
+int
+tu102_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return tu102_mc_new_(&tu102_mc, device, type, inst, pmc);
+}