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
nv50_disp_curs_new_(const struct nv50_disp_chan_func * func,struct nv50_disp * disp,int ctrl,int user,const struct nvkm_oclass * oclass,void * argv,u32 argc,struct nvkm_object ** pobject)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
nv50_disp_curs_new(const struct nvkm_oclass * oclass,void * argv,u32 argc,struct nv50_disp * disp,struct nvkm_object ** pobject)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 }
65