/*
 * Copyright 2015 Red Hat Inc.
 *
 * 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: Ben Skeggs <bskeggs@redhat.com>
 */
#include "nvsw.h"
#include "chan.h"

#include <nvif/if0004.h>

static int
nvkm_nvsw_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_uevent *uevent)
{
        union nv04_nvsw_event_args *args = argv;

        if (!uevent)
                return 0;
        if (argc != sizeof(args->vn))
                return -ENOSYS;

        return nvkm_uevent_add(uevent, &nvkm_nvsw(object)->chan->event, 0,
                               NVKM_SW_CHAN_EVENT_PAGE_FLIP, NULL);
}

static int
nvkm_nvsw_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
{
        struct nvkm_nvsw *nvsw = nvkm_nvsw(object);

        if (nvsw->func->mthd)
                return nvsw->func->mthd(nvsw, mthd, data, size);

        return -ENODEV;
}

static const struct nvkm_object_func
nvkm_nvsw_ = {
        .mthd = nvkm_nvsw_mthd,
        .uevent = nvkm_nvsw_uevent,
};

int
nvkm_nvsw_new_(const struct nvkm_nvsw_func *func, struct nvkm_sw_chan *chan,
               const struct nvkm_oclass *oclass, void *data, u32 size,
               struct nvkm_object **pobject)
{
        struct nvkm_nvsw *nvsw;

        if (!(nvsw = kzalloc_obj(*nvsw)))
                return -ENOMEM;
        *pobject = &nvsw->object;

        nvkm_object_ctor(&nvkm_nvsw_, oclass, &nvsw->object);
        nvsw->func = func;
        nvsw->chan = chan;
        return 0;
}

static const struct nvkm_nvsw_func
nvkm_nvsw = {
};

int
nvkm_nvsw_new(struct nvkm_sw_chan *chan, const struct nvkm_oclass *oclass,
              void *data, u32 size, struct nvkm_object **pobject)
{
        return nvkm_nvsw_new_(&nvkm_nvsw, chan, oclass, data, size, pobject);
}