summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nvkm/subdev/top
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/top')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild4
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c158
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c108
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c119
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h15
5 files changed, 404 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild
new file mode 100644
index 000000000..d5db84519
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: MIT
+nvkm-y += nvkm/subdev/top/base.o
+nvkm-y += nvkm/subdev/top/gk104.o
+nvkm-y += nvkm/subdev/top/ga100.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c
new file mode 100644
index 000000000..28d0789f5
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c
@@ -0,0 +1,158 @@
+/*
+ * 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"
+
+struct nvkm_top_device *
+nvkm_top_device_new(struct nvkm_top *top)
+{
+ struct nvkm_top_device *info = kmalloc(sizeof(*info), GFP_KERNEL);
+ if (info) {
+ info->type = NVKM_SUBDEV_NR;
+ info->inst = -1;
+ info->addr = 0;
+ info->fault = -1;
+ info->engine = -1;
+ info->runlist = -1;
+ info->reset = -1;
+ info->intr = -1;
+ list_add_tail(&info->head, &top->device);
+ }
+ return info;
+}
+
+u32
+nvkm_top_addr(struct nvkm_device *device, enum nvkm_subdev_type type, int inst)
+{
+ struct nvkm_top *top = device->top;
+ struct nvkm_top_device *info;
+
+ if (top) {
+ list_for_each_entry(info, &top->device, head) {
+ if (info->type == type && info->inst == inst)
+ return info->addr;
+ }
+ }
+
+ return 0;
+}
+
+u32
+nvkm_top_reset(struct nvkm_device *device, enum nvkm_subdev_type type, int inst)
+{
+ struct nvkm_top *top = device->top;
+ struct nvkm_top_device *info;
+
+ if (top) {
+ list_for_each_entry(info, &top->device, head) {
+ if (info->type == type && info->inst == inst && info->reset >= 0)
+ return BIT(info->reset);
+ }
+ }
+
+ return 0;
+}
+
+u32
+nvkm_top_intr_mask(struct nvkm_device *device, enum nvkm_subdev_type type, int inst)
+{
+ struct nvkm_top *top = device->top;
+ struct nvkm_top_device *info;
+
+ if (top) {
+ list_for_each_entry(info, &top->device, head) {
+ if (info->type == type && info->inst == inst && info->intr >= 0)
+ return BIT(info->intr);
+ }
+ }
+
+ return 0;
+}
+
+int
+nvkm_top_fault_id(struct nvkm_device *device, enum nvkm_subdev_type type, int inst)
+{
+ struct nvkm_top *top = device->top;
+ struct nvkm_top_device *info;
+
+ list_for_each_entry(info, &top->device, head) {
+ if (info->type == type && info->inst == inst && info->fault >= 0)
+ return info->fault;
+ }
+
+ return -ENOENT;
+}
+
+struct nvkm_subdev *
+nvkm_top_fault(struct nvkm_device *device, int fault)
+{
+ struct nvkm_top *top = device->top;
+ struct nvkm_top_device *info;
+
+ list_for_each_entry(info, &top->device, head) {
+ if (info->fault == fault)
+ return nvkm_device_subdev(device, info->type, info->inst);
+ }
+
+ return NULL;
+}
+
+static int
+nvkm_top_oneinit(struct nvkm_subdev *subdev)
+{
+ struct nvkm_top *top = nvkm_top(subdev);
+ return top->func->oneinit(top);
+}
+
+static void *
+nvkm_top_dtor(struct nvkm_subdev *subdev)
+{
+ struct nvkm_top *top = nvkm_top(subdev);
+ struct nvkm_top_device *info, *temp;
+
+ list_for_each_entry_safe(info, temp, &top->device, head) {
+ list_del(&info->head);
+ kfree(info);
+ }
+
+ return top;
+}
+
+static const struct nvkm_subdev_func
+nvkm_top = {
+ .dtor = nvkm_top_dtor,
+ .oneinit = nvkm_top_oneinit,
+};
+
+int
+nvkm_top_new_(const struct nvkm_top_func *func, struct nvkm_device *device,
+ enum nvkm_subdev_type type, int inst, struct nvkm_top **ptop)
+{
+ struct nvkm_top *top;
+ if (!(top = *ptop = kzalloc(sizeof(*top), GFP_KERNEL)))
+ return -ENOMEM;
+ nvkm_subdev_ctor(&nvkm_top, device, type, inst, &top->subdev);
+ top->func = func;
+ INIT_LIST_HEAD(&top->device);
+ return 0;
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c
new file mode 100644
index 000000000..c982d834c
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c
@@ -0,0 +1,108 @@
+/*
+ * 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 int
+ga100_top_oneinit(struct nvkm_top *top)
+{
+ struct nvkm_subdev *subdev = &top->subdev;
+ struct nvkm_device *device = subdev->device;
+ struct nvkm_top_device *info = NULL;
+ u32 data, type, inst;
+ int i, n, size = nvkm_rd32(device, 0x0224fc) >> 20;
+
+ for (i = 0, n = 0; i < size; i++) {
+ if (!info) {
+ if (!(info = nvkm_top_device_new(top)))
+ return -ENOMEM;
+ type = ~0;
+ inst = 0;
+ }
+
+ data = nvkm_rd32(device, 0x022800 + (i * 0x04));
+ nvkm_trace(subdev, "%02x: %08x\n", i, data);
+ if (!data && n == 0)
+ continue;
+
+ switch (n++) {
+ case 0:
+ type = (data & 0x3f000000) >> 24;
+ inst = (data & 0x000f0000) >> 16;
+ info->fault = (data & 0x0000007f);
+ break;
+ case 1:
+ info->addr = (data & 0x00fff000);
+ info->reset = (data & 0x0000001f);
+ break;
+ case 2:
+ info->runlist = (data & 0x00fffc00);
+ info->engine = (data & 0x00000003);
+ break;
+ default:
+ break;
+ }
+
+ if (data & 0x80000000)
+ continue;
+ n = 0;
+
+ /* Translate engine type to NVKM engine identifier. */
+#define I_(T,I) do { info->type = (T); info->inst = (I); } while(0)
+#define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0)
+ switch (type) {
+ case 0x00000000: O_(NVKM_ENGINE_GR , 0); break;
+ case 0x0000000d: O_(NVKM_ENGINE_SEC2 , 0); break;
+ case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break;
+ case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break;
+ case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break;
+ case 0x00000013: I_(NVKM_ENGINE_CE , inst); break;
+ case 0x00000014: O_(NVKM_SUBDEV_GSP , 0); break;
+ case 0x00000015: O_(NVKM_ENGINE_NVJPG , 0); break;
+ case 0x00000016: O_(NVKM_ENGINE_OFA , 0); break;
+ case 0x00000017: O_(NVKM_SUBDEV_FLA , 0); break;
+ break;
+ default:
+ break;
+ }
+
+ nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "
+ "runlist %6x engine %2d reset %2d\n", type, inst,
+ info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type],
+ info->addr, info->fault, info->runlist < 0 ? 0 : info->runlist,
+ info->engine, info->reset);
+ info = NULL;
+ }
+
+ return 0;
+}
+
+static const struct nvkm_top_func
+ga100_top = {
+ .oneinit = ga100_top_oneinit,
+};
+
+int
+ga100_top_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+ struct nvkm_top **ptop)
+{
+ return nvkm_top_new_(&ga100_top, device, type, inst, ptop);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c
new file mode 100644
index 000000000..4dcad97bd
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c
@@ -0,0 +1,119 @@
+/*
+ * 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 int
+gk104_top_oneinit(struct nvkm_top *top)
+{
+ struct nvkm_subdev *subdev = &top->subdev;
+ struct nvkm_device *device = subdev->device;
+ struct nvkm_top_device *info = NULL;
+ u32 data, type, inst;
+ int i;
+
+ for (i = 0; i < 64; i++) {
+ if (!info) {
+ if (!(info = nvkm_top_device_new(top)))
+ return -ENOMEM;
+ type = ~0;
+ inst = 0;
+ }
+
+ data = nvkm_rd32(device, 0x022700 + (i * 0x04));
+ nvkm_trace(subdev, "%02x: %08x\n", i, data);
+ switch (data & 0x00000003) {
+ case 0x00000000: /* NOT_VALID */
+ continue;
+ case 0x00000001: /* DATA */
+ inst = (data & 0x3c000000) >> 26;
+ info->addr = (data & 0x00fff000);
+ if (data & 0x00000004)
+ info->fault = (data & 0x000003f8) >> 3;
+ break;
+ case 0x00000002: /* ENUM */
+ if (data & 0x00000020)
+ info->engine = (data & 0x3c000000) >> 26;
+ if (data & 0x00000010)
+ info->runlist = (data & 0x01e00000) >> 21;
+ if (data & 0x00000008)
+ info->intr = (data & 0x000f8000) >> 15;
+ if (data & 0x00000004)
+ info->reset = (data & 0x00003e00) >> 9;
+ break;
+ case 0x00000003: /* ENGINE_TYPE */
+ type = (data & 0x7ffffffc) >> 2;
+ break;
+ }
+
+ if (data & 0x80000000)
+ continue;
+
+ /* Translate engine type to NVKM engine identifier. */
+#define I_(T,I) do { info->type = (T); info->inst = (I); } while(0)
+#define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0)
+ switch (type) {
+ case 0x00000000: O_(NVKM_ENGINE_GR , 0); break;
+ case 0x00000001: O_(NVKM_ENGINE_CE , 0); break;
+ case 0x00000002: O_(NVKM_ENGINE_CE , 1); break;
+ case 0x00000003: O_(NVKM_ENGINE_CE , 2); break;
+ case 0x00000008: O_(NVKM_ENGINE_MSPDEC, 0); break;
+ case 0x00000009: O_(NVKM_ENGINE_MSPPP , 0); break;
+ case 0x0000000a: O_(NVKM_ENGINE_MSVLD , 0); break;
+ case 0x0000000b: O_(NVKM_ENGINE_MSENC , 0); break;
+ case 0x0000000c: O_(NVKM_ENGINE_VIC , 0); break;
+ case 0x0000000d: O_(NVKM_ENGINE_SEC2 , 0); break;
+ case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break;
+ case 0x0000000f: O_(NVKM_ENGINE_NVENC , 1); break;
+ case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break;
+ case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break;
+ case 0x00000013: I_(NVKM_ENGINE_CE , inst); break;
+ case 0x00000014: O_(NVKM_SUBDEV_GSP , 0); break;
+ case 0x00000015: O_(NVKM_ENGINE_NVJPG , 0); break;
+ default:
+ break;
+ }
+
+ nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "
+ "engine %2d runlist %2d intr %2d "
+ "reset %2d\n", type, inst,
+ info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type],
+ info->addr, info->fault, info->engine, info->runlist,
+ info->intr, info->reset);
+ info = NULL;
+ }
+
+ return 0;
+}
+
+static const struct nvkm_top_func
+gk104_top = {
+ .oneinit = gk104_top_oneinit,
+};
+
+int
+gk104_top_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+ struct nvkm_top **ptop)
+{
+ return nvkm_top_new_(&gk104_top, device, type, inst, ptop);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h
new file mode 100644
index 000000000..8e103a836
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_TOP_PRIV_H__
+#define __NVKM_TOP_PRIV_H__
+#define nvkm_top(p) container_of((p), struct nvkm_top, subdev)
+#include <subdev/top.h>
+
+struct nvkm_top_func {
+ int (*oneinit)(struct nvkm_top *);
+};
+
+int nvkm_top_new_(const struct nvkm_top_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
+ struct nvkm_top **);
+
+struct nvkm_top_device *nvkm_top_device_new(struct nvkm_top *);
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-20 02:45:59 +0000