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/*
* Copyright 2012 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
*/
#include "channv50.h"
#include "rootnv50.h"
#include <core/client.h>
#include <nvif/class.h>
#include <nvif/unpack.h>
int
nv50_disp_oimm_new(const struct nv50_disp_chan_func *func,
const struct nv50_disp_chan_mthd *mthd,
struct nv50_disp_root *root, int chid,
const struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
union {
struct nv50_disp_overlay_v0 v0;
} *args = data;
struct nvkm_object *parent = oclass->parent;
struct nv50_disp *disp = root->disp;
int head, ret;
nvif_ioctl(parent, "create disp overlay size %d\n", size);
if (nvif_unpack(args->v0, 0, 0, false)) {
nvif_ioctl(parent, "create disp overlay vers %d head %d\n",
args->v0.version, args->v0.head);
if (args->v0.head > disp->base.head.nr)
return -EINVAL;
head = args->v0.head;
} else
return ret;
return nv50_disp_chan_new_(func, mthd, root, chid + head,
head, oclass, pobject);
}
const struct nv50_disp_pioc_oclass
nv50_disp_oimm_oclass = {
.base.oclass = NV50_DISP_OVERLAY,
.base.minver = 0,
.base.maxver = 0,
.ctor = nv50_disp_oimm_new,
.func = &nv50_disp_pioc_func,
.chid = 5,
};
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