14 files changed, 765 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 000000000000..721643f04bb5
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/Kbuild
@@ -0,0 +1,11 @@
+nvkm-y += nvkm/subdev/mc/base.o
+nvkm-y += nvkm/subdev/mc/nv04.o
+nvkm-y += nvkm/subdev/mc/nv40.o
+nvkm-y += nvkm/subdev/mc/nv44.o
+nvkm-y += nvkm/subdev/mc/nv4c.o
+nvkm-y += nvkm/subdev/mc/nv50.o
+nvkm-y += nvkm/subdev/mc/g94.o
+nvkm-y += nvkm/subdev/mc/g98.o
+nvkm-y += nvkm/subdev/mc/gf100.o
+nvkm-y += nvkm/subdev/mc/gf106.o
+nvkm-y += nvkm/subdev/mc/gk20a.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 000000000000..5b051a26653e
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c
@@ -0,0 +1,169 @@
+/*
+ * 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/device.h>
+#include <core/option.h>
+
+static inline void
+nvkm_mc_unk260(struct nvkm_mc *pmc, u32 data)
+{
+	const struct nvkm_mc_oclass *impl = (void *)nv_oclass(pmc);
+	if (impl->unk260)
+		impl->unk260(pmc, data);
+}
+
+static inline u32
+nvkm_mc_intr_mask(struct nvkm_mc *pmc)
+{
+	u32 intr = nv_rd32(pmc, 0x000100);
+	if (intr == 0xffffffff) /* likely fallen off the bus */
+		intr = 0x00000000;
+	return intr;
+}
+
+static irqreturn_t
+nvkm_mc_intr(int irq, void *arg)
+{
+	struct nvkm_mc *pmc = arg;
+	const struct nvkm_mc_oclass *oclass = (void *)nv_object(pmc)->oclass;
+	const struct nvkm_mc_intr *map = oclass->intr;
+	struct nvkm_subdev *unit;
+	u32 intr;
+
+	nv_wr32(pmc, 0x000140, 0x00000000);
+	nv_rd32(pmc, 0x000140);
+	intr = nvkm_mc_intr_mask(pmc);
+	if (pmc->use_msi)
+		oclass->msi_rearm(pmc);
+
+	if (intr) {
+		u32 stat = intr = nvkm_mc_intr_mask(pmc);
+		while (map->stat) {
+			if (intr & map->stat) {
+				unit = nvkm_subdev(pmc, map->unit);
+				if (unit && unit->intr)
+					unit->intr(unit);
+				stat &= ~map->stat;
+			}
+			map++;
+		}
+
+		if (stat)
+			nv_error(pmc, "unknown intr 0x%08x\n", stat);
+	}
+
+	nv_wr32(pmc, 0x000140, 0x00000001);
+	return intr ? IRQ_HANDLED : IRQ_NONE;
+}
+
+int
+_nvkm_mc_fini(struct nvkm_object *object, bool suspend)
+{
+	struct nvkm_mc *pmc = (void *)object;
+	nv_wr32(pmc, 0x000140, 0x00000000);
+	return nvkm_subdev_fini(&pmc->base, suspend);
+}
+
+int
+_nvkm_mc_init(struct nvkm_object *object)
+{
+	struct nvkm_mc *pmc = (void *)object;
+	int ret = nvkm_subdev_init(&pmc->base);
+	if (ret)
+		return ret;
+	nv_wr32(pmc, 0x000140, 0x00000001);
+	return 0;
+}
+
+void
+_nvkm_mc_dtor(struct nvkm_object *object)
+{
+	struct nvkm_device *device = nv_device(object);
+	struct nvkm_mc *pmc = (void *)object;
+	free_irq(pmc->irq, pmc);
+	if (pmc->use_msi)
+		pci_disable_msi(device->pdev);
+	nvkm_subdev_destroy(&pmc->base);
+}
+
+int
+nvkm_mc_create_(struct nvkm_object *parent, struct nvkm_object *engine,
+		struct nvkm_oclass *bclass, int length, void **pobject)
+{
+	const struct nvkm_mc_oclass *oclass = (void *)bclass;
+	struct nvkm_device *device = nv_device(parent);
+	struct nvkm_mc *pmc;
+	int ret;
+
+	ret = nvkm_subdev_create_(parent, engine, bclass, 0, "PMC",
+				  "master", length, pobject);
+	pmc = *pobject;
+	if (ret)
+		return ret;
+
+	pmc->unk260 = nvkm_mc_unk260;
+
+	if (nv_device_is_pci(device)) {
+		switch (device->pdev->device & 0x0ff0) {
+		case 0x00f0:
+		case 0x02e0:
+			/* BR02? NFI how these would be handled yet exactly */
+			break;
+		default:
+			switch (device->chipset) {
+			case 0xaa:
+				/* reported broken, nv also disable it */
+				break;
+			default:
+				pmc->use_msi = true;
+				break;
+			}
+		}
+
+		pmc->use_msi = nvkm_boolopt(device->cfgopt, "NvMSI",
+					    pmc->use_msi);
+
+		if (pmc->use_msi && oclass->msi_rearm) {
+			pmc->use_msi = pci_enable_msi(device->pdev) == 0;
+			if (pmc->use_msi) {
+				nv_info(pmc, "MSI interrupts enabled\n");
+				oclass->msi_rearm(pmc);
+			}
+		} else {
+			pmc->use_msi = false;
+		}
+	}
+
+	ret = nv_device_get_irq(device, true);
+	if (ret < 0)
+		return ret;
+	pmc->irq = ret;
+
+	ret = request_irq(pmc->irq, nvkm_mc_intr, IRQF_SHARED, "nvkm", pmc);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g94.c
new file mode 100644
index 000000000000..f042e7d8321d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g94.c
@@ -0,0 +1,37 @@
+/*
+ * 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 "nv04.h"
+
+struct nvkm_oclass *
+g94_mc_oclass = &(struct nvkm_mc_oclass) {
+	.base.handle = NV_SUBDEV(MC, 0x94),
+	.base.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = nv04_mc_ctor,
+		.dtor = _nvkm_mc_dtor,
+		.init = nv50_mc_init,
+		.fini = _nvkm_mc_fini,
+	},
+	.intr = nv50_mc_intr,
+	.msi_rearm = nv40_mc_msi_rearm,
+}.base;
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 000000000000..8ab7f1272a14
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/g98.c
@@ -0,0 +1,58 @@
+/*
+ * 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 "nv04.h"
+
+static const struct nvkm_mc_intr
+g98_mc_intr[] = {
+	{ 0x04000000, NVDEV_ENGINE_DISP },  /* DISP first, so pageflip timestamps work */
+	{ 0x00000001, NVDEV_ENGINE_MSPPP },
+	{ 0x00000100, NVDEV_ENGINE_FIFO },
+	{ 0x00001000, NVDEV_ENGINE_GR },
+	{ 0x00004000, NVDEV_ENGINE_SEC },	/* NV84:NVA3 */
+	{ 0x00008000, NVDEV_ENGINE_MSVLD },
+	{ 0x00020000, NVDEV_ENGINE_MSPDEC },
+	{ 0x00040000, NVDEV_SUBDEV_PMU },	/* NVA3:NVC0 */
+	{ 0x00080000, NVDEV_SUBDEV_THERM },	/* NVA3:NVC0 */
+	{ 0x00100000, NVDEV_SUBDEV_TIMER },
+	{ 0x00200000, NVDEV_SUBDEV_GPIO },	/* PMGR->GPIO */
+	{ 0x00200000, NVDEV_SUBDEV_I2C }, 	/* PMGR->I2C/AUX */
+	{ 0x00400000, NVDEV_ENGINE_CE0 },	/* NVA3-     */
+	{ 0x10000000, NVDEV_SUBDEV_BUS },
+	{ 0x80000000, NVDEV_ENGINE_SW },
+	{ 0x0042d101, NVDEV_SUBDEV_FB },
+	{},
+};
+
+struct nvkm_oclass *
+g98_mc_oclass = &(struct nvkm_mc_oclass) {
+	.base.handle = NV_SUBDEV(MC, 0x98),
+	.base.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = nv04_mc_ctor,
+		.dtor = _nvkm_mc_dtor,
+		.init = nv50_mc_init,
+		.fini = _nvkm_mc_fini,
+	},
+	.intr = g98_mc_intr,
+	.msi_rearm = nv40_mc_msi_rearm,
+}.base;
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 000000000000..2425984b045e
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf100.c
@@ -0,0 +1,76 @@
+/*
+ * 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 "nv04.h"
+
+const struct nvkm_mc_intr
+gf100_mc_intr[] = {
+	{ 0x04000000, NVDEV_ENGINE_DISP },  /* DISP first, so pageflip timestamps work. */
+	{ 0x00000001, NVDEV_ENGINE_MSPPP },
+	{ 0x00000020, NVDEV_ENGINE_CE0 },
+	{ 0x00000040, NVDEV_ENGINE_CE1 },
+	{ 0x00000080, NVDEV_ENGINE_CE2 },
+	{ 0x00000100, NVDEV_ENGINE_FIFO },
+	{ 0x00001000, NVDEV_ENGINE_GR },
+	{ 0x00002000, NVDEV_SUBDEV_FB },
+	{ 0x00008000, NVDEV_ENGINE_MSVLD },
+	{ 0x00040000, NVDEV_SUBDEV_THERM },
+	{ 0x00020000, NVDEV_ENGINE_MSPDEC },
+	{ 0x00100000, NVDEV_SUBDEV_TIMER },
+	{ 0x00200000, NVDEV_SUBDEV_GPIO },	/* PMGR->GPIO */
+	{ 0x00200000, NVDEV_SUBDEV_I2C },	/* PMGR->I2C/AUX */
+	{ 0x01000000, NVDEV_SUBDEV_PMU },
+	{ 0x02000000, NVDEV_SUBDEV_LTC },
+	{ 0x08000000, NVDEV_SUBDEV_FB },
+	{ 0x10000000, NVDEV_SUBDEV_BUS },
+	{ 0x40000000, NVDEV_SUBDEV_IBUS },
+	{ 0x80000000, NVDEV_ENGINE_SW },
+	{},
+};
+
+static void
+gf100_mc_msi_rearm(struct nvkm_mc *pmc)
+{
+	struct nv04_mc_priv *priv = (void *)pmc;
+	nv_wr32(priv, 0x088704, 0x00000000);
+}
+
+void
+gf100_mc_unk260(struct nvkm_mc *pmc, u32 data)
+{
+	nv_wr32(pmc, 0x000260, data);
+}
+
+struct nvkm_oclass *
+gf100_mc_oclass = &(struct nvkm_mc_oclass) {
+	.base.handle = NV_SUBDEV(MC, 0xc0),
+	.base.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = nv04_mc_ctor,
+		.dtor = _nvkm_mc_dtor,
+		.init = nv50_mc_init,
+		.fini = _nvkm_mc_fini,
+	},
+	.intr = gf100_mc_intr,
+	.msi_rearm = gf100_mc_msi_rearm,
+	.unk260 = gf100_mc_unk260,
+}.base;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf106.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf106.c
new file mode 100644
index 000000000000..8d2a8f457778
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf106.c
@@ -0,0 +1,38 @@
+/*
+ * 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 "nv04.h"
+
+struct nvkm_oclass *
+gf106_mc_oclass = &(struct nvkm_mc_oclass) {
+	.base.handle = NV_SUBDEV(MC, 0xc3),
+	.base.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = nv04_mc_ctor,
+		.dtor = _nvkm_mc_dtor,
+		.init = nv50_mc_init,
+		.fini = _nvkm_mc_fini,
+	},
+	.intr = gf100_mc_intr,
+	.msi_rearm = nv40_mc_msi_rearm,
+	.unk260 = gf100_mc_unk260,
+}.base;
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 000000000000..43b27742956d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk20a.c
@@ -0,0 +1,37 @@
+/*
+ * 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 "nv04.h"
+
+struct nvkm_oclass *
+gk20a_mc_oclass = &(struct nvkm_mc_oclass) {
+	.base.handle = NV_SUBDEV(MC, 0xea),
+	.base.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = nv04_mc_ctor,
+		.dtor = _nvkm_mc_dtor,
+		.init = nv50_mc_init,
+		.fini = _nvkm_mc_fini,
+	},
+	.intr = gf100_mc_intr,
+	.msi_rearm = nv40_mc_msi_rearm,
+}.base;
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 000000000000..32713827b4dc
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c
@@ -0,0 +1,78 @@
+/*
+ * 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 "nv04.h"
+
+const struct nvkm_mc_intr
+nv04_mc_intr[] = {
+	{ 0x00000001, NVDEV_ENGINE_MPEG },	/* NV17- MPEG/ME */
+	{ 0x00000100, NVDEV_ENGINE_FIFO },
+	{ 0x00001000, NVDEV_ENGINE_GR },
+	{ 0x00010000, NVDEV_ENGINE_DISP },
+	{ 0x00020000, NVDEV_ENGINE_VP },	/* NV40- */
+	{ 0x00100000, NVDEV_SUBDEV_TIMER },
+	{ 0x01000000, NVDEV_ENGINE_DISP },	/* NV04- PCRTC0 */
+	{ 0x02000000, NVDEV_ENGINE_DISP },	/* NV11- PCRTC1 */
+	{ 0x10000000, NVDEV_SUBDEV_BUS },
+	{ 0x80000000, NVDEV_ENGINE_SW },
+	{}
+};
+
+int
+nv04_mc_init(struct nvkm_object *object)
+{
+	struct nv04_mc_priv *priv = (void *)object;
+
+	nv_wr32(priv, 0x000200, 0xffffffff); /* everything enabled */
+	nv_wr32(priv, 0x001850, 0x00000001); /* disable rom access */
+
+	return nvkm_mc_init(&priv->base);
+}
+
+int
+nv04_mc_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+	     struct nvkm_oclass *oclass, void *data, u32 size,
+	     struct nvkm_object **pobject)
+{
+	struct nv04_mc_priv *priv;
+	int ret;
+
+	ret = nvkm_mc_create(parent, engine, oclass, &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+struct nvkm_oclass *
+nv04_mc_oclass = &(struct nvkm_mc_oclass) {
+	.base.handle = NV_SUBDEV(MC, 0x04),
+	.base.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = nv04_mc_ctor,
+		.dtor = _nvkm_mc_dtor,
+		.init = nv04_mc_init,
+		.fini = _nvkm_mc_fini,
+	},
+	.intr = nv04_mc_intr,
+}.base;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.h
new file mode 100644
index 000000000000..411de3d08ab6
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.h
@@ -0,0 +1,20 @@
+#ifndef __NVKM_MC_NV04_H__
+#define __NVKM_MC_NV04_H__
+#include "priv.h"
+
+struct nv04_mc_priv {
+	struct nvkm_mc base;
+};
+
+int  nv04_mc_ctor(struct nvkm_object *, struct nvkm_object *,
+		  struct nvkm_oclass *, void *, u32,
+		  struct nvkm_object **);
+
+extern const struct nvkm_mc_intr nv04_mc_intr[];
+int  nv04_mc_init(struct nvkm_object *);
+void nv40_mc_msi_rearm(struct nvkm_mc *);
+int  nv44_mc_init(struct nvkm_object *object);
+int  nv50_mc_init(struct nvkm_object *);
+extern const struct nvkm_mc_intr nv50_mc_intr[];
+extern const struct nvkm_mc_intr gf100_mc_intr[];
+#endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv40.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv40.c
new file mode 100644
index 000000000000..b7613059da08
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv40.c
@@ -0,0 +1,44 @@
+/*
+ * 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 "nv04.h"
+
+void
+nv40_mc_msi_rearm(struct nvkm_mc *pmc)
+{
+	struct nv04_mc_priv *priv = (void *)pmc;
+	nv_wr08(priv, 0x088068, 0xff);
+}
+
+struct nvkm_oclass *
+nv40_mc_oclass = &(struct nvkm_mc_oclass) {
+	.base.handle = NV_SUBDEV(MC, 0x40),
+	.base.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = nv04_mc_ctor,
+		.dtor = _nvkm_mc_dtor,
+		.init = nv04_mc_init,
+		.fini = _nvkm_mc_fini,
+	},
+	.intr = nv04_mc_intr,
+	.msi_rearm = nv40_mc_msi_rearm,
+}.base;
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 000000000000..2c7f7c701a2b
--- /dev/null
+++ b/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 "nv04.h"
+
+int
+nv44_mc_init(struct nvkm_object *object)
+{
+	struct nv04_mc_priv *priv = (void *)object;
+	u32 tmp = nv_rd32(priv, 0x10020c);
+
+	nv_wr32(priv, 0x000200, 0xffffffff); /* everything enabled */
+
+	nv_wr32(priv, 0x001700, tmp);
+	nv_wr32(priv, 0x001704, 0);
+	nv_wr32(priv, 0x001708, 0);
+	nv_wr32(priv, 0x00170c, tmp);
+
+	return nvkm_mc_init(&priv->base);
+}
+
+struct nvkm_oclass *
+nv44_mc_oclass = &(struct nvkm_mc_oclass) {
+	.base.handle = NV_SUBDEV(MC, 0x44),
+	.base.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = nv04_mc_ctor,
+		.dtor = _nvkm_mc_dtor,
+		.init = nv44_mc_init,
+		.fini = _nvkm_mc_fini,
+	},
+	.intr = nv04_mc_intr,
+	.msi_rearm = nv40_mc_msi_rearm,
+}.base;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv4c.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv4c.c
new file mode 100644
index 000000000000..c0aac7e20d45
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv4c.c
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2014 Ilia Mirkin
+ *
+ * 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: Ilia Mirkin
+ */
+#include "nv04.h"
+
+struct nvkm_oclass *
+nv4c_mc_oclass = &(struct nvkm_mc_oclass) {
+	.base.handle = NV_SUBDEV(MC, 0x4c),
+	.base.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = nv04_mc_ctor,
+		.dtor = _nvkm_mc_dtor,
+		.init = nv44_mc_init,
+		.fini = _nvkm_mc_fini,
+	},
+	.intr = nv04_mc_intr,
+}.base;
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 000000000000..40e3019e1fde
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c
@@ -0,0 +1,72 @@
+/*
+ * 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 "nv04.h"
+
+#include <core/device.h>
+
+const struct nvkm_mc_intr
+nv50_mc_intr[] = {
+	{ 0x04000000, NVDEV_ENGINE_DISP },  /* DISP before FIFO, so pageflip-timestamping works! */
+	{ 0x00000001, NVDEV_ENGINE_MPEG },
+	{ 0x00000100, NVDEV_ENGINE_FIFO },
+	{ 0x00001000, NVDEV_ENGINE_GR },
+	{ 0x00004000, NVDEV_ENGINE_CIPHER },	/* NV84- */
+	{ 0x00008000, NVDEV_ENGINE_BSP },	/* NV84- */
+	{ 0x00020000, NVDEV_ENGINE_VP },	/* NV84- */
+	{ 0x00100000, NVDEV_SUBDEV_TIMER },
+	{ 0x00200000, NVDEV_SUBDEV_GPIO },	/* PMGR->GPIO */
+	{ 0x00200000, NVDEV_SUBDEV_I2C }, 	/* PMGR->I2C/AUX */
+	{ 0x10000000, NVDEV_SUBDEV_BUS },
+	{ 0x80000000, NVDEV_ENGINE_SW },
+	{ 0x0002d101, NVDEV_SUBDEV_FB },
+	{},
+};
+
+static void
+nv50_mc_msi_rearm(struct nvkm_mc *pmc)
+{
+	struct nvkm_device *device = nv_device(pmc);
+	pci_write_config_byte(device->pdev, 0x68, 0xff);
+}
+
+int
+nv50_mc_init(struct nvkm_object *object)
+{
+	struct nv04_mc_priv *priv = (void *)object;
+	nv_wr32(priv, 0x000200, 0xffffffff); /* everything on */
+	return nvkm_mc_init(&priv->base);
+}
+
+struct nvkm_oclass *
+nv50_mc_oclass = &(struct nvkm_mc_oclass) {
+	.base.handle = NV_SUBDEV(MC, 0x50),
+	.base.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = nv04_mc_ctor,
+		.dtor = _nvkm_mc_dtor,
+		.init = nv50_mc_init,
+		.fini = _nvkm_mc_fini,
+	},
+	.intr = nv50_mc_intr,
+	.msi_rearm = nv50_mc_msi_rearm,
+}.base;
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 000000000000..d2cad07afd1a
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h
@@ -0,0 +1,36 @@
+#ifndef __NVKM_MC_PRIV_H__
+#define __NVKM_MC_PRIV_H__
+#include <subdev/mc.h>
+
+#define nvkm_mc_create(p,e,o,d)                                             \
+	nvkm_mc_create_((p), (e), (o), sizeof(**d), (void **)d)
+#define nvkm_mc_destroy(p) ({                                               \
+	struct nvkm_mc *pmc = (p); _nvkm_mc_dtor(nv_object(pmc));        \
+})
+#define nvkm_mc_init(p) ({                                                  \
+	struct nvkm_mc *pmc = (p); _nvkm_mc_init(nv_object(pmc));        \
+})
+#define nvkm_mc_fini(p,s) ({                                                \
+	struct nvkm_mc *pmc = (p); _nvkm_mc_fini(nv_object(pmc), (s));   \
+})
+
+int  nvkm_mc_create_(struct nvkm_object *, struct nvkm_object *,
+			struct nvkm_oclass *, int, void **);
+void _nvkm_mc_dtor(struct nvkm_object *);
+int  _nvkm_mc_init(struct nvkm_object *);
+int  _nvkm_mc_fini(struct nvkm_object *, bool);
+
+struct nvkm_mc_intr {
+	u32 stat;
+	u32 unit;
+};
+
+struct nvkm_mc_oclass {
+	struct nvkm_oclass base;
+	const struct nvkm_mc_intr *intr;
+	void (*msi_rearm)(struct nvkm_mc *);
+	void (*unk260)(struct nvkm_mc *, u32);
+};
+
+void gf100_mc_unk260(struct nvkm_mc *, u32);
+#endif