Resguardo inicial

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/Kbuild

@@ -0,0 +1,16 @@
+# 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/ga100.o

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c

@@ -0,0 +1,147 @@
+/*
+ * 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_subdev *subdev = nvkm_device_subdev(device, type, inst);
+
+	if (subdev) {
+		if (en)
+			nvkm_intr_allow(subdev, NVKM_INTR_SUBDEV);
+		else
+			nvkm_intr_block(subdev, NVKM_INTR_SUBDEV);
+	}
+}
+
+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) {
+		device->mc->func->device->disable(device->mc, pmc_enable);
+		device->mc->func->device->enable(device->mc, pmc_enable);
+	}
+}
+
+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)
+		device->mc->func->device->disable(device->mc, pmc_enable);
+}
+
+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)
+		device->mc->func->device->enable(device->mc, pmc_enable);
+}
+
+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) && device->mc->func->device->enabled(device->mc, pmc_enable);
+}
+
+static int
+nvkm_mc_init(struct nvkm_subdev *subdev)
+{
+	struct nvkm_mc *mc = nvkm_mc(subdev);
+	if (mc->func->init)
+		mc->func->init(mc);
+	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,
+};
+
+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;
+	int ret;
+
+	if (!(mc = *pmc = kzalloc_obj(*mc)))
+		return -ENOMEM;
+
+	nvkm_subdev_ctor(&nvkm_mc, device, type, inst, &mc->subdev);
+	mc->func = func;
+
+	if (mc->func->intr) {
+		ret = nvkm_intr_add(mc->func->intr, mc->func->intrs, &mc->subdev,
+				    mc->func->intr_nonstall ? 2 : 1, &mc->intr);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g84.c

@@ -0,0 +1,67 @@
+/*
+ * 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_intr_data
+g84_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP  , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_VP    , 0, 0, 0x00020000, true },
+	{ NVKM_ENGINE_BSP   , 0, 0, 0x00008000, true },
+	{ NVKM_ENGINE_CIPHER, 0, 0, 0x00004000, true },
+	{ NVKM_ENGINE_GR    , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO  , 0, 0, 0x00000100 },
+	{ NVKM_ENGINE_MPEG  , 0, 0, 0x00000001, true },
+	{ NVKM_SUBDEV_FB    , 0, 0, 0x0002d101, true },
+	{ NVKM_SUBDEV_BUS   , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_GPIO  , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C   , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER , 0, 0, 0x00100000, true },
+	{},
+};
+
+static const struct nvkm_mc_func
+g84_mc = {
+	.init = nv50_mc_init,
+	.intr = &nv04_mc_intr,
+	.intrs = g84_mc_intrs,
+	.device = &nv04_mc_device,
+	.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);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g98.c

@@ -0,0 +1,67 @@
+/*
+ * 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_intr_data
+g98_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP  , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_MSPDEC, 0, 0, 0x00020000, true },
+	{ NVKM_ENGINE_MSVLD , 0, 0, 0x00008000, true },
+	{ NVKM_ENGINE_SEC   , 0, 0, 0x00004000, true },
+	{ NVKM_ENGINE_GR    , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO  , 0, 0, 0x00000100 },
+	{ NVKM_ENGINE_MSPPP , 0, 0, 0x00000001, true },
+	{ NVKM_SUBDEV_FB    , 0, 0, 0x0002d101, true },
+	{ NVKM_SUBDEV_BUS   , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_GPIO  , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C   , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER , 0, 0, 0x00100000, true },
+	{},
+};
+
+static const struct nvkm_mc_func
+g98_mc = {
+	.init = nv50_mc_init,
+	.intr = &nv04_mc_intr,
+	.intrs = g98_mc_intrs,
+	.device = &nv04_mc_device,
+	.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);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/ga100.c

@@ -0,0 +1,81 @@
+/*
+ * 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"
+
+#include <subdev/gsp.h>
+
+static void
+ga100_mc_device_disable(struct nvkm_mc *mc, u32 mask)
+{
+	struct nvkm_device *device = mc->subdev.device;
+
+	nvkm_mask(device, 0x000600, mask, 0x00000000);
+	nvkm_rd32(device, 0x000600);
+	nvkm_rd32(device, 0x000600);
+}
+
+static void
+ga100_mc_device_enable(struct nvkm_mc *mc, u32 mask)
+{
+	struct nvkm_device *device = mc->subdev.device;
+
+	nvkm_mask(device, 0x000600, mask, mask);
+	nvkm_rd32(device, 0x000600);
+	nvkm_rd32(device, 0x000600);
+}
+
+static bool
+ga100_mc_device_enabled(struct nvkm_mc *mc, u32 mask)
+{
+	return (nvkm_rd32(mc->subdev.device, 0x000600) & mask) == mask;
+}
+
+static const struct nvkm_mc_device_func
+ga100_mc_device = {
+	.enabled = ga100_mc_device_enabled,
+	.enable = ga100_mc_device_enable,
+	.disable = ga100_mc_device_disable,
+};
+
+static void
+ga100_mc_init(struct nvkm_mc *mc)
+{
+	struct nvkm_device *device = mc->subdev.device;
+
+	nvkm_wr32(device, 0x000200, 0xffffffff);
+	nvkm_wr32(device, 0x000600, 0xffffffff);
+}
+
+static const struct nvkm_mc_func
+ga100_mc = {
+	.init = ga100_mc_init,
+	.device = &ga100_mc_device,
+};
+
+int
+ga100_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	if (nvkm_gsp_rm(device->gsp))
+		return -ENODEV;
+
+	return nvkm_mc_new_(&ga100_mc, device, type, inst, pmc);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf100.c

@@ -0,0 +1,82 @@
+/*
+ * 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_intr_data
+gf100_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP    , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_MSPDEC  , 0, 0, 0x00020000, true },
+	{ NVKM_ENGINE_MSVLD   , 0, 0, 0x00008000, true },
+	{ NVKM_ENGINE_GR      , 0, 0, 0x00001000 },
+	{ NVKM_ENGINE_FIFO    , 0, 0, 0x00000100 },
+	{ NVKM_ENGINE_CE      , 1, 0, 0x00000040, true },
+	{ NVKM_ENGINE_CE      , 0, 0, 0x00000020, true },
+	{ NVKM_ENGINE_MSPPP   , 0, 0, 0x00000001, true },
+	{ NVKM_SUBDEV_PRIVRING, 0, 0, 0x40000000, true },
+	{ NVKM_SUBDEV_BUS     , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_FB      , 0, 0, 0x08002000, true },
+	{ NVKM_SUBDEV_LTC     , 0, 0, 0x02000000, true },
+	{ NVKM_SUBDEV_PMU     , 0, 0, 0x01000000, true },
+	{ NVKM_SUBDEV_GPIO    , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C     , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER   , 0, 0, 0x00100000, true },
+	{ NVKM_SUBDEV_THERM   , 0, 0, 0x00040000, true },
+	{},
+};
+
+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 = &gt215_mc_intr,
+	.intrs = gf100_mc_intrs,
+	.intr_nonstall = true,
+	.reset = gf100_mc_reset,
+	.device = &nv04_mc_device,
+	.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);
+}

linux-7.2.3/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_intr_data
+gk104_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP    , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_FIFO    , 0, 0, 0x00000100 },
+	{ NVKM_SUBDEV_PRIVRING, 0, 0, 0x40000000, true },
+	{ NVKM_SUBDEV_BUS     , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_FB      , 0, 0, 0x08002000, true },
+	{ NVKM_SUBDEV_LTC     , 0, 0, 0x02000000, true },
+	{ NVKM_SUBDEV_PMU     , 0, 0, 0x01000000, true },
+	{ NVKM_SUBDEV_GPIO    , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C     , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER   , 0, 0, 0x00100000, true },
+	{ NVKM_SUBDEV_THERM   , 0, 0, 0x00040000, true },
+	{ NVKM_SUBDEV_TOP     , 0, 0, 0x00001000 },
+	{ NVKM_SUBDEV_TOP     , 0, 0, 0xffffefff, true },
+	{},
+};
+
+static const struct nvkm_mc_func
+gk104_mc = {
+	.init = nv50_mc_init,
+	.intr = &gt215_mc_intr,
+	.intrs = gk104_mc_intrs,
+	.intr_nonstall = true,
+	.reset = gk104_mc_reset,
+	.device = &nv04_mc_device,
+	.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);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk20a.c

@@ -0,0 +1,40 @@
+/*
+ * 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 = &gt215_mc_intr,
+	.intrs = gk104_mc_intrs,
+	.intr_nonstall = true,
+	.device = &nv04_mc_device,
+	.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);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c

@@ -0,0 +1,107 @@
+/*
+ * 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 <subdev/gsp.h>
+
+const struct nvkm_intr_data
+gp100_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP    , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_FIFO    , 0, 0, 0x00000100 },
+	{ NVKM_SUBDEV_FAULT   , 0, 0, 0x00000200, true },
+	{ NVKM_SUBDEV_PRIVRING, 0, 0, 0x40000000, true },
+	{ NVKM_SUBDEV_BUS     , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_FB      , 0, 0, 0x08002000, true },
+	{ NVKM_SUBDEV_LTC     , 0, 0, 0x02000000, true },
+	{ NVKM_SUBDEV_PMU     , 0, 0, 0x01000000, true },
+	{ NVKM_SUBDEV_GPIO    , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C     , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER   , 0, 0, 0x00100000, true },
+	{ NVKM_SUBDEV_THERM   , 0, 0, 0x00040000, true },
+	{ NVKM_SUBDEV_TOP     , 0, 0, 0x00009000 },
+	{ NVKM_SUBDEV_TOP     , 0, 0, 0xffff6fff, true },
+	{},
+};
+
+static void
+gp100_mc_intr_allow(struct nvkm_intr *intr, int leaf, u32 mask)
+{
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+
+	nvkm_wr32(mc->subdev.device, 0x000160 + (leaf * 4), mask);
+}
+
+static void
+gp100_mc_intr_block(struct nvkm_intr *intr, int leaf, u32 mask)
+{
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+
+	nvkm_wr32(mc->subdev.device, 0x000180 + (leaf * 4), mask);
+}
+
+static void
+gp100_mc_intr_rearm(struct nvkm_intr *intr)
+{
+	int i;
+
+	for (i = 0; i < intr->leaves; i++)
+		intr->func->allow(intr, i, intr->mask[i]);
+}
+
+static void
+gp100_mc_intr_unarm(struct nvkm_intr *intr)
+{
+	int i;
+
+	for (i = 0; i < intr->leaves; i++)
+		intr->func->block(intr, i, 0xffffffff);
+}
+
+const struct nvkm_intr_func
+gp100_mc_intr = {
+	.pending = nv04_mc_intr_pending,
+	.unarm = gp100_mc_intr_unarm,
+	.rearm = gp100_mc_intr_rearm,
+	.block = gp100_mc_intr_block,
+	.allow = gp100_mc_intr_allow,
+};
+
+static const struct nvkm_mc_func
+gp100_mc = {
+	.init = nv50_mc_init,
+	.intr = &gp100_mc_intr,
+	.intrs = gp100_mc_intrs,
+	.intr_nonstall = true,
+	.device = &nv04_mc_device,
+	.reset = gk104_mc_reset,
+};
+
+int
+gp100_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	if (nvkm_gsp_rm(device->gsp))
+		return -ENODEV;
+
+	return nvkm_mc_new_(&gp100_mc, device, type, inst, pmc);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp10b.c

@@ -0,0 +1,48 @@
+/*
+ * 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,
+	.intrs = gp100_mc_intrs,
+	.intr_nonstall = true,
+	.device = &nv04_mc_device,
+	.reset = gk104_mc_reset,
+};
+
+int
+gp10b_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
+{
+	return nvkm_mc_new_(&gp10b_mc, device, type, inst, pmc);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gt215.c

@@ -0,0 +1,94 @@
+/*
+ * 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_intr_data
+gt215_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP  , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_CE    , 0, 0, 0x00400000, true },
+	{ NVKM_ENGINE_MSPDEC, 0, 0, 0x00020000, true },
+	{ NVKM_ENGINE_MSVLD , 0, 0, 0x00008000, true },
+	{ NVKM_ENGINE_GR    , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO  , 0, 0, 0x00000100 },
+	{ NVKM_ENGINE_MSPPP , 0, 0, 0x00000001, true },
+	{ NVKM_SUBDEV_FB    , 0, 0, 0x00429101, true },
+	{ NVKM_SUBDEV_BUS   , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_GPIO  , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C   , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER , 0, 0, 0x00100000, true },
+	{ NVKM_SUBDEV_THERM , 0, 0, 0x00080000, true },
+	{ NVKM_SUBDEV_PMU   , 0, 0, 0x00040000, true },
+	{},
+};
+
+static void
+gt215_mc_intr_allow(struct nvkm_intr *intr, int leaf, u32 mask)
+{
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+
+	nvkm_mask(mc->subdev.device, 0x000640 + (leaf * 4), mask, mask);
+}
+
+static void
+gt215_mc_intr_block(struct nvkm_intr *intr, int leaf, u32 mask)
+{
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+
+	nvkm_mask(mc->subdev.device, 0x000640 + (leaf * 4), mask, 0);
+}
+
+const struct nvkm_intr_func
+gt215_mc_intr = {
+	.pending = nv04_mc_intr_pending,
+	.unarm = nv04_mc_intr_unarm,
+	.rearm = nv04_mc_intr_rearm,
+	.block = gt215_mc_intr_block,
+	.allow = gt215_mc_intr_allow,
+};
+
+static const struct nvkm_mc_func
+gt215_mc = {
+	.init = nv50_mc_init,
+	.intr = &nv04_mc_intr,
+	.intrs = gt215_mc_intrs,
+	.device = &nv04_mc_device,
+	.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);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c

@@ -0,0 +1,137 @@
+/*
+ * 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 void
+nv04_mc_device_disable(struct nvkm_mc *mc, u32 mask)
+{
+	nvkm_mask(mc->subdev.device, 0x000200, mask, 0x00000000);
+}
+
+static void
+nv04_mc_device_enable(struct nvkm_mc *mc, u32 mask)
+{
+	struct nvkm_device *device = mc->subdev.device;
+
+	nvkm_mask(device, 0x000200, mask, mask);
+	nvkm_rd32(device, 0x000200);
+}
+
+static bool
+nv04_mc_device_enabled(struct nvkm_mc *mc, u32 mask)
+{
+	return (nvkm_rd32(mc->subdev.device, 0x000200) & mask) == mask;
+}
+
+const struct nvkm_mc_device_func
+nv04_mc_device = {
+	.enabled = nv04_mc_device_enabled,
+	.enable = nv04_mc_device_enable,
+	.disable = nv04_mc_device_disable,
+};
+
+static const struct nvkm_intr_data
+nv04_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP , 0, 0, 0x01010000, true },
+	{ NVKM_ENGINE_GR   , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO , 0, 0, 0x00000100 },
+	{ NVKM_SUBDEV_BUS  , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_TIMER, 0, 0, 0x00100000, true },
+	{}
+};
+
+void
+nv04_mc_intr_rearm(struct nvkm_intr *intr)
+{
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+	int leaf;
+
+	for (leaf = 0; leaf < intr->leaves; leaf++)
+		nvkm_wr32(mc->subdev.device, 0x000140 + (leaf * 4), 0x00000001);
+}
+
+void
+nv04_mc_intr_unarm(struct nvkm_intr *intr)
+{
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+	int leaf;
+
+	for (leaf = 0; leaf < intr->leaves; leaf++)
+		nvkm_wr32(mc->subdev.device, 0x000140 + (leaf * 4), 0x00000000);
+
+	nvkm_rd32(mc->subdev.device, 0x000140);
+}
+
+bool
+nv04_mc_intr_pending(struct nvkm_intr *intr)
+{
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+	bool pending = false;
+	int leaf;
+
+	for (leaf = 0; leaf < intr->leaves; leaf++) {
+		intr->stat[leaf] = nvkm_rd32(mc->subdev.device, 0x000100 + (leaf * 4));
+		if (intr->stat[leaf])
+			pending = true;
+	}
+
+	return pending;
+}
+
+const struct nvkm_intr_func
+nv04_mc_intr = {
+	.pending = nv04_mc_intr_pending,
+	.unarm = nv04_mc_intr_unarm,
+	.rearm = nv04_mc_intr_rearm,
+};
+
+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,
+	.intrs = nv04_mc_intrs,
+	.device = &nv04_mc_device,
+	.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);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv11.c

@@ -0,0 +1,49 @@
+/*
+ * 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_intr_data
+nv11_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP , 0, 0, 0x03010000, true },
+	{ NVKM_ENGINE_GR   , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO , 0, 0, 0x00000100 },
+	{ NVKM_SUBDEV_BUS  , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_TIMER, 0, 0, 0x00100000, true },
+	{}
+};
+
+static const struct nvkm_mc_func
+nv11_mc = {
+	.init = nv04_mc_init,
+	.intr = &nv04_mc_intr,
+	.intrs = nv11_mc_intrs,
+	.device = &nv04_mc_device,
+	.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);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv17.c

@@ -0,0 +1,58 @@
+/*
+ * 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_intr_data
+nv17_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP , 0, 0, 0x03010000, true },
+	{ NVKM_ENGINE_GR   , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO , 0, 0, 0x00000100 },
+	{ NVKM_ENGINE_MPEG , 0, 0, 0x00000001, true },
+	{ NVKM_SUBDEV_BUS  , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_TIMER, 0, 0, 0x00100000, true },
+	{}
+};
+
+static const struct nvkm_mc_func
+nv17_mc = {
+	.init = nv04_mc_init,
+	.intr = &nv04_mc_intr,
+	.intrs = nv17_mc_intrs,
+	.device = &nv04_mc_device,
+	.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);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c

@@ -0,0 +1,53 @@
+/*
+ * 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 = &nv04_mc_intr,
+	.intrs = nv17_mc_intrs,
+	.device = &nv04_mc_device,
+	.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);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c

@@ -0,0 +1,60 @@
+/*
+ * 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_intr_data
+nv50_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_GR   , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO , 0, 0, 0x00000100 },
+	{ NVKM_ENGINE_MPEG , 0, 0, 0x00000001, true },
+	{ NVKM_SUBDEV_FB   , 0, 0, 0x00001101, true },
+	{ NVKM_SUBDEV_BUS  , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_GPIO , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C  , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER, 0, 0, 0x00100000, true },
+	{},
+};
+
+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 = &nv04_mc_intr,
+	.intrs = nv50_mc_intrs,
+	.device = &nv04_mc_device,
+	.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);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h

@@ -0,0 +1,59 @@
+/* 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>
+
+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_intr_func *intr;
+	const struct nvkm_intr_data *intrs;
+	bool intr_nonstall;
+
+	const struct nvkm_mc_device_func {
+		bool (*enabled)(struct nvkm_mc *, u32 mask);
+		void (*enable)(struct nvkm_mc *, u32 mask);
+		void (*disable)(struct nvkm_mc *, u32 mask);
+	} *device;
+
+	const struct nvkm_mc_map *reset;
+
+	void (*unk260)(struct nvkm_mc *, u32);
+};
+
+void nv04_mc_init(struct nvkm_mc *);
+extern const struct nvkm_intr_func nv04_mc_intr;
+bool nv04_mc_intr_pending(struct nvkm_intr *);
+void nv04_mc_intr_unarm(struct nvkm_intr *);
+void nv04_mc_intr_rearm(struct nvkm_intr *);
+extern const struct nvkm_mc_device_func nv04_mc_device;
+extern const struct nvkm_mc_map nv04_mc_reset[];
+
+extern const struct nvkm_intr_data nv17_mc_intrs[];
+extern const struct nvkm_mc_map nv17_mc_reset[];
+
+void nv44_mc_init(struct nvkm_mc *);
+
+void nv50_mc_init(struct nvkm_mc *);
+
+extern const struct nvkm_intr_func gt215_mc_intr;
+void gf100_mc_unk260(struct nvkm_mc *, u32);
+
+void gk104_mc_init(struct nvkm_mc *);
+extern const struct nvkm_intr_data gk104_mc_intrs[];
+extern const struct nvkm_mc_map gk104_mc_reset[];
+
+extern const struct nvkm_intr_func gp100_mc_intr;
+extern const struct nvkm_intr_data gp100_mc_intrs[];
+#endif