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 "head.h"
26
27 #include <core/client.h>
28
29 #include <nvif/cl507a.h>
30 #include <nvif/unpack.h>
31
32 int
33 nv50_disp_curs_new_(const struct nv50_disp_chan_func *func,
34 struct nv50_disp *disp, int ctrl, int user,
35 const struct nvkm_oclass *oclass, void *argv, u32 argc,
36 struct nvkm_object **pobject)
37 {
38 union {
39 struct nv50_disp_cursor_v0 v0;
40 } *args = argv;
41 struct nvkm_object *parent = oclass->parent;
42 int head, ret = -ENOSYS;
43
44 nvif_ioctl(parent, "create disp cursor size %d\n", argc);
45 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
46 nvif_ioctl(parent, "create disp cursor vers %d head %d\n",
47 args->v0.version, args->v0.head);
48 if (!nvkm_head_find(&disp->base, args->v0.head))
49 return -EINVAL;
50 head = args->v0.head;
51 } else
52 return ret;
53
54 return nv50_disp_chan_new_(func, NULL, disp, ctrl + head, user + head,
55 head, oclass, pobject);
56 }
57
58 int
59 nv50_disp_curs_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
60 struct nv50_disp *disp, struct nvkm_object **pobject)
61 {
62 return nv50_disp_curs_new_(&nv50_disp_pioc_func, disp, 7, 7,
63 oclass, argv, argc, pobject);
64 }