1/*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * 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 OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 */
24#include "channv50.h"
25#include "rootnv50.h"
26
27#include <core/client.h>
28
29#include <nvif/class.h>
30#include <nvif/unpack.h>
31
32int
33nv50_disp_oimm_new(const struct nv50_disp_chan_func *func,
34		   const struct nv50_disp_chan_mthd *mthd,
35		   struct nv50_disp_root *root, int chid,
36		   const struct nvkm_oclass *oclass, void *data, u32 size,
37		   struct nvkm_object **pobject)
38{
39	union {
40		struct nv50_disp_overlay_v0 v0;
41	} *args = data;
42	struct nvkm_object *parent = oclass->parent;
43	struct nv50_disp *disp = root->disp;
44	int head, ret;
45
46	nvif_ioctl(parent, "create disp overlay size %d\n", size);
47	if (nvif_unpack(args->v0, 0, 0, false)) {
48		nvif_ioctl(parent, "create disp overlay vers %d head %d\n",
49			   args->v0.version, args->v0.head);
50		if (args->v0.head > disp->base.head.nr)
51			return -EINVAL;
52		head = args->v0.head;
53	} else
54		return ret;
55
56	return nv50_disp_chan_new_(func, mthd, root, chid + head,
57				   head, oclass, pobject);
58}
59
60const struct nv50_disp_pioc_oclass
61nv50_disp_oimm_oclass = {
62	.base.oclass = NV50_DISP_OVERLAY,
63	.base.minver = 0,
64	.base.maxver = 0,
65	.ctor = nv50_disp_oimm_new,
66	.func = &nv50_disp_pioc_func,
67	.chid = 5,
68};
69