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
32 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)33 nv50_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
60 const struct nv50_disp_pioc_oclass
61 nv50_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