linux-zen-desktop/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c

55 lines
1.8 KiB
C

/*
* 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;
}