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-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild5
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c54
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c54
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c43
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/fuse/nv50.c52
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h13
6 files changed, 221 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild
new file mode 100644
index 000000000..8e7cd9d27
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: MIT
+nvkm-y += nvkm/subdev/fuse/base.o
+nvkm-y += nvkm/subdev/fuse/nv50.o
+nvkm-y += nvkm/subdev/fuse/gf100.o
+nvkm-y += nvkm/subdev/fuse/gm107.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c
new file mode 100644
index 000000000..375dfce09
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2014 Martin Peres
+ *
+ * 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: Martin Peres
+ */
+#include "priv.h"
+
+u32
+nvkm_fuse_read(struct nvkm_fuse *fuse, u32 addr)
+{
+ return fuse->func->read(fuse, addr);
+}
+
+static void *
+nvkm_fuse_dtor(struct nvkm_subdev *subdev)
+{
+ return nvkm_fuse(subdev);
+}
+
+static const struct nvkm_subdev_func
+nvkm_fuse = {
+ .dtor = nvkm_fuse_dtor,
+};
+
+int
+nvkm_fuse_new_(const struct nvkm_fuse_func *func, struct nvkm_device *device,
+ enum nvkm_subdev_type type, int inst, struct nvkm_fuse **pfuse)
+{
+ struct nvkm_fuse *fuse;
+ if (!(fuse = *pfuse = kzalloc(sizeof(*fuse), GFP_KERNEL)))
+ return -ENOMEM;
+ nvkm_subdev_ctor(&nvkm_fuse, device, type, inst, &fuse->subdev);
+ fuse->func = func;
+ spin_lock_init(&fuse->lock);
+ return 0;
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c
new file mode 100644
index 000000000..01f770654
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2014 Martin Peres
+ *
+ * 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: Martin Peres
+ */
+#include "priv.h"
+
+static u32
+gf100_fuse_read(struct nvkm_fuse *fuse, u32 addr)
+{
+ struct nvkm_device *device = fuse->subdev.device;
+ unsigned long flags;
+ u32 fuse_enable, unk, val;
+
+ /* racy if another part of nvkm start writing to these regs */
+ spin_lock_irqsave(&fuse->lock, flags);
+ fuse_enable = nvkm_mask(device, 0x022400, 0x800, 0x800);
+ unk = nvkm_mask(device, 0x021000, 0x1, 0x1);
+ val = nvkm_rd32(device, 0x021100 + addr);
+ nvkm_wr32(device, 0x021000, unk);
+ nvkm_wr32(device, 0x022400, fuse_enable);
+ spin_unlock_irqrestore(&fuse->lock, flags);
+ return val;
+}
+
+static const struct nvkm_fuse_func
+gf100_fuse = {
+ .read = gf100_fuse_read,
+};
+
+int
+gf100_fuse_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+ struct nvkm_fuse **pfuse)
+{
+ return nvkm_fuse_new_(&gf100_fuse, device, type, inst, pfuse);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c
new file mode 100644
index 000000000..7dc99492f
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2014 Martin Peres
+ *
+ * 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: Martin Peres
+ */
+#include "priv.h"
+
+static u32
+gm107_fuse_read(struct nvkm_fuse *fuse, u32 addr)
+{
+ struct nvkm_device *device = fuse->subdev.device;
+ return nvkm_rd32(device, 0x021100 + addr);
+}
+
+static const struct nvkm_fuse_func
+gm107_fuse = {
+ .read = gm107_fuse_read,
+};
+
+int
+gm107_fuse_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+ struct nvkm_fuse **pfuse)
+{
+ return nvkm_fuse_new_(&gm107_fuse, device, type, inst, pfuse);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/nv50.c
new file mode 100644
index 000000000..2505e8e1c
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/nv50.c
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2014 Martin Peres
+ *
+ * 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: Martin Peres
+ */
+#include "priv.h"
+
+static u32
+nv50_fuse_read(struct nvkm_fuse *fuse, u32 addr)
+{
+ struct nvkm_device *device = fuse->subdev.device;
+ unsigned long flags;
+ u32 fuse_enable, val;
+
+ /* racy if another part of nvkm start writing to this reg */
+ spin_lock_irqsave(&fuse->lock, flags);
+ fuse_enable = nvkm_mask(device, 0x001084, 0x800, 0x800);
+ val = nvkm_rd32(device, 0x021000 + addr);
+ nvkm_wr32(device, 0x001084, fuse_enable);
+ spin_unlock_irqrestore(&fuse->lock, flags);
+ return val;
+}
+
+static const struct nvkm_fuse_func
+nv50_fuse = {
+ .read = &nv50_fuse_read,
+};
+
+int
+nv50_fuse_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+ struct nvkm_fuse **pfuse)
+{
+ return nvkm_fuse_new_(&nv50_fuse, device, type, inst, pfuse);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h
new file mode 100644
index 000000000..e83d0c30d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_FUSE_PRIV_H__
+#define __NVKM_FUSE_PRIV_H__
+#define nvkm_fuse(p) container_of((p), struct nvkm_fuse, subdev)
+#include <subdev/fuse.h>
+
+struct nvkm_fuse_func {
+ u32 (*read)(struct nvkm_fuse *, u32 addr);
+};
+
+int nvkm_fuse_new_(const struct nvkm_fuse_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
+ struct nvkm_fuse **);
+#endif