Resguardo inicial

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

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: MIT
+nvkm-y += nvkm/subdev/privring/gf100.o
+nvkm-y += nvkm/subdev/privring/gf117.o
+nvkm-y += nvkm/subdev/privring/gk104.o
+nvkm-y += nvkm/subdev/privring/gk20a.o
+nvkm-y += nvkm/subdev/privring/gm200.o
+nvkm-y += nvkm/subdev/privring/gp10b.o

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

@@ -0,0 +1,122 @@
+/*
+ * 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/timer.h>
+
+static void
+gf100_privring_intr_hub(struct nvkm_subdev *privring, int i)
+{
+	struct nvkm_device *device = privring->device;
+	u32 addr = nvkm_rd32(device, 0x122120 + (i * 0x0400));
+	u32 data = nvkm_rd32(device, 0x122124 + (i * 0x0400));
+	u32 stat = nvkm_rd32(device, 0x122128 + (i * 0x0400));
+	nvkm_debug(privring, "HUB%d: %06x %08x (%08x)\n", i, addr, data, stat);
+}
+
+static void
+gf100_privring_intr_rop(struct nvkm_subdev *privring, int i)
+{
+	struct nvkm_device *device = privring->device;
+	u32 addr = nvkm_rd32(device, 0x124120 + (i * 0x0400));
+	u32 data = nvkm_rd32(device, 0x124124 + (i * 0x0400));
+	u32 stat = nvkm_rd32(device, 0x124128 + (i * 0x0400));
+	nvkm_debug(privring, "ROP%d: %06x %08x (%08x)\n", i, addr, data, stat);
+}
+
+static void
+gf100_privring_intr_gpc(struct nvkm_subdev *privring, int i)
+{
+	struct nvkm_device *device = privring->device;
+	u32 addr = nvkm_rd32(device, 0x128120 + (i * 0x0400));
+	u32 data = nvkm_rd32(device, 0x128124 + (i * 0x0400));
+	u32 stat = nvkm_rd32(device, 0x128128 + (i * 0x0400));
+	nvkm_debug(privring, "GPC%d: %06x %08x (%08x)\n", i, addr, data, stat);
+}
+
+void
+gf100_privring_intr(struct nvkm_subdev *privring)
+{
+	struct nvkm_device *device = privring->device;
+	u32 intr0 = nvkm_rd32(device, 0x121c58);
+	u32 intr1 = nvkm_rd32(device, 0x121c5c);
+	u32 hubnr = nvkm_rd32(device, 0x121c70);
+	u32 ropnr = nvkm_rd32(device, 0x121c74);
+	u32 gpcnr = nvkm_rd32(device, 0x121c78);
+	u32 i;
+
+	for (i = 0; (intr0 & 0x0000ff00) && i < hubnr; i++) {
+		u32 stat = 0x00000100 << i;
+		if (intr0 & stat) {
+			gf100_privring_intr_hub(privring, i);
+			intr0 &= ~stat;
+		}
+	}
+
+	for (i = 0; (intr0 & 0xffff0000) && i < ropnr; i++) {
+		u32 stat = 0x00010000 << i;
+		if (intr0 & stat) {
+			gf100_privring_intr_rop(privring, i);
+			intr0 &= ~stat;
+		}
+	}
+
+	for (i = 0; intr1 && i < gpcnr; i++) {
+		u32 stat = 0x00000001 << i;
+		if (intr1 & stat) {
+			gf100_privring_intr_gpc(privring, i);
+			intr1 &= ~stat;
+		}
+	}
+
+	nvkm_mask(device, 0x121c4c, 0x0000003f, 0x00000002);
+	nvkm_msec(device, 2000,
+		if (!(nvkm_rd32(device, 0x121c4c) & 0x0000003f))
+			break;
+	);
+}
+
+static int
+gf100_privring_init(struct nvkm_subdev *privring)
+{
+	struct nvkm_device *device = privring->device;
+	nvkm_mask(device, 0x122310, 0x0003ffff, 0x00000800);
+	nvkm_wr32(device, 0x12232c, 0x00100064);
+	nvkm_wr32(device, 0x122330, 0x00100064);
+	nvkm_wr32(device, 0x122334, 0x00100064);
+	nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000100);
+	return 0;
+}
+
+static const struct nvkm_subdev_func
+gf100_privring = {
+	.init = gf100_privring_init,
+	.intr = gf100_privring_intr,
+};
+
+int
+gf100_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+		   struct nvkm_subdev **pprivring)
+{
+	return nvkm_subdev_new_(&gf100_privring, device, type, inst, pprivring);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/privring/gf117.c

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2015 Samuel Pitosiet
+ *
+ * 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: Samuel Pitoiset
+ */
+#include "priv.h"
+
+static int
+gf117_privring_init(struct nvkm_subdev *privring)
+{
+	struct nvkm_device *device = privring->device;
+	nvkm_mask(device, 0x122310, 0x0003ffff, 0x00000800);
+	nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000100);
+	nvkm_mask(device, 0x1223b0, 0x0003ffff, 0x00000fff);
+	return 0;
+}
+
+static const struct nvkm_subdev_func
+gf117_privring = {
+	.init = gf117_privring_init,
+	.intr = gf100_privring_intr,
+};
+
+int
+gf117_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+		   struct nvkm_subdev **pprivring)
+{
+	return nvkm_subdev_new_(&gf117_privring, device, type, inst, pprivring);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/privring/gk104.c

@@ -0,0 +1,125 @@
+/*
+ * 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/timer.h>
+
+static void
+gk104_privring_intr_hub(struct nvkm_subdev *privring, int i)
+{
+	struct nvkm_device *device = privring->device;
+	u32 addr = nvkm_rd32(device, 0x122120 + (i * 0x0800));
+	u32 data = nvkm_rd32(device, 0x122124 + (i * 0x0800));
+	u32 stat = nvkm_rd32(device, 0x122128 + (i * 0x0800));
+	nvkm_debug(privring, "HUB%d: %06x %08x (%08x)\n", i, addr, data, stat);
+}
+
+static void
+gk104_privring_intr_rop(struct nvkm_subdev *privring, int i)
+{
+	struct nvkm_device *device = privring->device;
+	u32 addr = nvkm_rd32(device, 0x124120 + (i * 0x0800));
+	u32 data = nvkm_rd32(device, 0x124124 + (i * 0x0800));
+	u32 stat = nvkm_rd32(device, 0x124128 + (i * 0x0800));
+	nvkm_debug(privring, "ROP%d: %06x %08x (%08x)\n", i, addr, data, stat);
+}
+
+static void
+gk104_privring_intr_gpc(struct nvkm_subdev *privring, int i)
+{
+	struct nvkm_device *device = privring->device;
+	u32 addr = nvkm_rd32(device, 0x128120 + (i * 0x0800));
+	u32 data = nvkm_rd32(device, 0x128124 + (i * 0x0800));
+	u32 stat = nvkm_rd32(device, 0x128128 + (i * 0x0800));
+	nvkm_debug(privring, "GPC%d: %06x %08x (%08x)\n", i, addr, data, stat);
+}
+
+void
+gk104_privring_intr(struct nvkm_subdev *privring)
+{
+	struct nvkm_device *device = privring->device;
+	u32 intr0 = nvkm_rd32(device, 0x120058);
+	u32 intr1 = nvkm_rd32(device, 0x12005c);
+	u32 hubnr = nvkm_rd32(device, 0x120070);
+	u32 ropnr = nvkm_rd32(device, 0x120074);
+	u32 gpcnr = nvkm_rd32(device, 0x120078);
+	u32 i;
+
+	for (i = 0; (intr0 & 0x0000ff00) && i < hubnr; i++) {
+		u32 stat = 0x00000100 << i;
+		if (intr0 & stat) {
+			gk104_privring_intr_hub(privring, i);
+			intr0 &= ~stat;
+		}
+	}
+
+	for (i = 0; (intr0 & 0xffff0000) && i < ropnr; i++) {
+		u32 stat = 0x00010000 << i;
+		if (intr0 & stat) {
+			gk104_privring_intr_rop(privring, i);
+			intr0 &= ~stat;
+		}
+	}
+
+	for (i = 0; intr1 && i < gpcnr; i++) {
+		u32 stat = 0x00000001 << i;
+		if (intr1 & stat) {
+			gk104_privring_intr_gpc(privring, i);
+			intr1 &= ~stat;
+		}
+	}
+
+	nvkm_mask(device, 0x12004c, 0x0000003f, 0x00000002);
+	nvkm_msec(device, 2000,
+		if (!(nvkm_rd32(device, 0x12004c) & 0x0000003f))
+			break;
+	);
+}
+
+static int
+gk104_privring_init(struct nvkm_subdev *privring)
+{
+	struct nvkm_device *device = privring->device;
+	nvkm_mask(device, 0x122318, 0x0003ffff, 0x00001000);
+	nvkm_mask(device, 0x12231c, 0x0003ffff, 0x00000200);
+	nvkm_mask(device, 0x122310, 0x0003ffff, 0x00000800);
+	nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000100);
+	nvkm_mask(device, 0x1223b0, 0x0003ffff, 0x00000fff);
+	nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000200);
+	nvkm_mask(device, 0x122358, 0x0003ffff, 0x00002880);
+	return 0;
+}
+
+static const struct nvkm_subdev_func
+gk104_privring = {
+	.preinit = gk104_privring_init,
+	.init = gk104_privring_init,
+	.intr = gk104_privring_intr,
+};
+
+int
+gk104_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+		   struct nvkm_subdev **pprivring)
+{
+	return nvkm_subdev_new_(&gk104_privring, device, type, inst, pprivring);
+}

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

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2014, 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 AUTHORS OR COPYRIGHT HOLDERS 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 <subdev/privring.h>
+#include <subdev/timer.h>
+
+static void
+gk20a_privring_init_privring_ring(struct nvkm_subdev *privring)
+{
+	struct nvkm_device *device = privring->device;
+	nvkm_mask(device, 0x137250, 0x3f, 0);
+
+	nvkm_mask(device, 0x000200, 0x20, 0);
+	udelay(20);
+	nvkm_mask(device, 0x000200, 0x20, 0x20);
+
+	nvkm_wr32(device, 0x12004c, 0x4);
+	nvkm_wr32(device, 0x122204, 0x2);
+	nvkm_rd32(device, 0x122204);
+
+	/*
+	 * Bug: increase clock timeout to avoid operation failure at high
+	 * gpcclk rate.
+	 */
+	nvkm_wr32(device, 0x122354, 0x800);
+	nvkm_wr32(device, 0x128328, 0x800);
+	nvkm_wr32(device, 0x124320, 0x800);
+}
+
+static void
+gk20a_privring_intr(struct nvkm_subdev *privring)
+{
+	struct nvkm_device *device = privring->device;
+	u32 status0 = nvkm_rd32(device, 0x120058);
+
+	if (status0 & 0x7) {
+		nvkm_debug(privring, "resetting privring ring\n");
+		gk20a_privring_init_privring_ring(privring);
+	}
+
+	/* Acknowledge interrupt */
+	nvkm_mask(device, 0x12004c, 0x2, 0x2);
+	nvkm_msec(device, 2000,
+		if (!(nvkm_rd32(device, 0x12004c) & 0x0000003f))
+			break;
+	);
+}
+
+static int
+gk20a_privring_init(struct nvkm_subdev *privring)
+{
+	gk20a_privring_init_privring_ring(privring);
+	return 0;
+}
+
+static const struct nvkm_subdev_func
+gk20a_privring = {
+	.init = gk20a_privring_init,
+	.intr = gk20a_privring_intr,
+};
+
+int
+gk20a_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+		   struct nvkm_subdev **pprivring)
+{
+	return nvkm_subdev_new_(&gk20a_privring, device, type, inst, pprivring);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/privring/gm200.c

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2015 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"
+
+#include <subdev/gsp.h>
+
+static const struct nvkm_subdev_func
+gm200_privring = {
+	.intr = gk104_privring_intr,
+};
+
+int
+gm200_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+		   struct nvkm_subdev **pprivring)
+{
+	if (nvkm_gsp_rm(device->gsp))
+		return -ENODEV;
+
+	return nvkm_subdev_new_(&gm200_privring, device, type, inst, pprivring);
+}

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

@@ -0,0 +1,55 @@
+/*
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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 <subdev/privring.h>
+
+#include "priv.h"
+
+static int
+gp10b_privring_init(struct nvkm_subdev *privring)
+{
+	struct nvkm_device *device = privring->device;
+
+	nvkm_wr32(device, 0x1200a8, 0x0);
+
+	/* init ring */
+	nvkm_wr32(device, 0x12004c, 0x4);
+	nvkm_wr32(device, 0x122204, 0x2);
+	nvkm_rd32(device, 0x122204);
+
+	/* timeout configuration */
+	nvkm_wr32(device, 0x009080, 0x800186a0);
+
+	return 0;
+}
+
+static const struct nvkm_subdev_func
+gp10b_privring = {
+	.init = gp10b_privring_init,
+	.intr = gk104_privring_intr,
+};
+
+int
+gp10b_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+		   struct nvkm_subdev **pprivring)
+{
+	return nvkm_subdev_new_(&gp10b_privring, device, type, inst, pprivring);
+}

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

@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_PRIVRING_PRIV_H__
+#define __NVKM_PRIVRING_PRIV_H__
+#include <subdev/privring.h>
+
+void gf100_privring_intr(struct nvkm_subdev *);
+void gk104_privring_intr(struct nvkm_subdev *);
+#endif