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git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blob - drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c
2 * Copyright 2014 Martin Peres
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
22 * Authors: Martin Peres
27 nvkm_fuse_read(struct nvkm_fuse
*fuse
, u32 addr
)
29 return fuse
->func
->read(fuse
, addr
);
33 nvkm_fuse_dtor(struct nvkm_subdev
*subdev
)
35 return nvkm_fuse(subdev
);
38 static const struct nvkm_subdev_func
40 .dtor
= nvkm_fuse_dtor
,
44 nvkm_fuse_new_(const struct nvkm_fuse_func
*func
, struct nvkm_device
*device
,
45 int index
, struct nvkm_fuse
**pfuse
)
47 struct nvkm_fuse
*fuse
;
48 if (!(fuse
= *pfuse
= kzalloc(sizeof(*fuse
), GFP_KERNEL
)))
50 nvkm_subdev_ctor(&nvkm_fuse
, device
, index
, 0, &fuse
->subdev
);
52 spin_lock_init(&fuse
->lock
);