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1/*2 * Copyright 2015 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs <bskeggs@redhat.com>23 */24#include "nvsw.h"25#include "chan.h"26 27#include <nvif/if0004.h>28 29static int30nvkm_nvsw_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_uevent *uevent)31{32 union nv04_nvsw_event_args *args = argv;33 34 if (!uevent)35 return 0;36 if (argc != sizeof(args->vn))37 return -ENOSYS;38 39 return nvkm_uevent_add(uevent, &nvkm_nvsw(object)->chan->event, 0,40 NVKM_SW_CHAN_EVENT_PAGE_FLIP, NULL);41}42 43static int44nvkm_nvsw_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)45{46 struct nvkm_nvsw *nvsw = nvkm_nvsw(object);47 48 if (nvsw->func->mthd)49 return nvsw->func->mthd(nvsw, mthd, data, size);50 51 return -ENODEV;52}53 54static const struct nvkm_object_func55nvkm_nvsw_ = {56 .mthd = nvkm_nvsw_mthd,57 .uevent = nvkm_nvsw_uevent,58};59 60int61nvkm_nvsw_new_(const struct nvkm_nvsw_func *func, struct nvkm_sw_chan *chan,62 const struct nvkm_oclass *oclass, void *data, u32 size,63 struct nvkm_object **pobject)64{65 struct nvkm_nvsw *nvsw;66 67 if (!(nvsw = kzalloc(sizeof(*nvsw), GFP_KERNEL)))68 return -ENOMEM;69 *pobject = &nvsw->object;70 71 nvkm_object_ctor(&nvkm_nvsw_, oclass, &nvsw->object);72 nvsw->func = func;73 nvsw->chan = chan;74 return 0;75}76 77static const struct nvkm_nvsw_func78nvkm_nvsw = {79};80 81int82nvkm_nvsw_new(struct nvkm_sw_chan *chan, const struct nvkm_oclass *oclass,83 void *data, u32 size, struct nvkm_object **pobject)84{85 return nvkm_nvsw_new_(&nvkm_nvsw, chan, oclass, data, size, pobject);86}87