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 <engine/sw.h>
25 
26 #include <nvif/ioctl.h>
27 
28 /*******************************************************************************
29  * software object classes
30  ******************************************************************************/
31 
32 static int
33 nv10_sw_flip(struct nvkm_object *object, u32 mthd, void *args, u32 size)
34 {
35 	struct nvkm_sw_chan *chan = (void *)nv_engctx(object->parent);
36 	if (chan->flip)
37 		return chan->flip(chan->flip_data);
38 	return -EINVAL;
39 }
40 
41 static struct nvkm_omthds
42 nv10_sw_omthds[] = {
43 	{ 0x0500, 0x0500, nv10_sw_flip },
44 	{}
45 };
46 
47 static struct nvkm_oclass
48 nv10_sw_sclass[] = {
49 	{ NVIF_IOCTL_NEW_V0_SW_NV10, &nvkm_object_ofuncs, nv10_sw_omthds },
50 	{}
51 };
52 
53 /*******************************************************************************
54  * software context
55  ******************************************************************************/
56 
57 static int
58 nv10_sw_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
59 		     struct nvkm_oclass *oclass, void *data, u32 size,
60 		     struct nvkm_object **pobject)
61 {
62 	struct nvkm_sw_chan *chan;
63 	int ret;
64 
65 	ret = nvkm_sw_context_create(parent, engine, oclass, &chan);
66 	*pobject = nv_object(chan);
67 	if (ret)
68 		return ret;
69 
70 	return 0;
71 }
72 
73 static struct nvkm_oclass
74 nv10_sw_cclass = {
75 	.handle = NV_ENGCTX(SW, 0x04),
76 	.ofuncs = &(struct nvkm_ofuncs) {
77 		.ctor = nv10_sw_context_ctor,
78 		.dtor = _nvkm_sw_context_dtor,
79 		.init = _nvkm_sw_context_init,
80 		.fini = _nvkm_sw_context_fini,
81 	},
82 };
83 
84 /*******************************************************************************
85  * software engine/subdev functions
86  ******************************************************************************/
87 
88 static int
89 nv10_sw_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
90 	     struct nvkm_oclass *oclass, void *data, u32 size,
91 	     struct nvkm_object **pobject)
92 {
93 	struct nvkm_sw *sw;
94 	int ret;
95 
96 	ret = nvkm_sw_create(parent, engine, oclass, &sw);
97 	*pobject = nv_object(sw);
98 	if (ret)
99 		return ret;
100 
101 	nv_engine(sw)->cclass = &nv10_sw_cclass;
102 	nv_engine(sw)->sclass = nv10_sw_sclass;
103 	nv_subdev(sw)->intr = nv04_sw_intr;
104 	return 0;
105 }
106 
107 struct nvkm_oclass *
108 nv10_sw_oclass = &(struct nvkm_oclass) {
109 	.handle = NV_ENGINE(SW, 0x10),
110 	.ofuncs = &(struct nvkm_ofuncs) {
111 		.ctor = nv10_sw_ctor,
112 		.dtor = _nvkm_sw_dtor,
113 		.init = _nvkm_sw_init,
114 		.fini = _nvkm_sw_fini,
115 	},
116 };
117