87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
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/*
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* Copyright 2015 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs <bskeggs@redhat.com>
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*/
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#include "nvsw.h"
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#include "chan.h"
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#include <nvif/if0004.h>
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static int
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nvkm_nvsw_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_uevent *uevent)
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{
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union nv04_nvsw_event_args *args = argv;
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if (!uevent)
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return 0;
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if (argc != sizeof(args->vn))
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return -ENOSYS;
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return nvkm_uevent_add(uevent, &nvkm_nvsw(object)->chan->event, 0,
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NVKM_SW_CHAN_EVENT_PAGE_FLIP, NULL);
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}
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static int
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nvkm_nvsw_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
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{
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struct nvkm_nvsw *nvsw = nvkm_nvsw(object);
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if (nvsw->func->mthd)
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return nvsw->func->mthd(nvsw, mthd, data, size);
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return -ENODEV;
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}
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static const struct nvkm_object_func
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nvkm_nvsw_ = {
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.mthd = nvkm_nvsw_mthd,
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.uevent = nvkm_nvsw_uevent,
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};
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int
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nvkm_nvsw_new_(const struct nvkm_nvsw_func *func, struct nvkm_sw_chan *chan,
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const struct nvkm_oclass *oclass, void *data, u32 size,
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struct nvkm_object **pobject)
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{
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struct nvkm_nvsw *nvsw;
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if (!(nvsw = kzalloc(sizeof(*nvsw), GFP_KERNEL)))
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return -ENOMEM;
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*pobject = &nvsw->object;
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nvkm_object_ctor(&nvkm_nvsw_, oclass, &nvsw->object);
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nvsw->func = func;
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nvsw->chan = chan;
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return 0;
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}
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static const struct nvkm_nvsw_func
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nvkm_nvsw = {
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};
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int
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nvkm_nvsw_new(struct nvkm_sw_chan *chan, const struct nvkm_oclass *oclass,
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void *data, u32 size, struct nvkm_object **pobject)
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{
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return nvkm_nvsw_new_(&nvkm_nvsw, chan, oclass, data, size, pobject);
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}
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