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 "priv.h"
25 #include "chan.h"
26 #include "nvsw.h"
27 
28 #include <nvif/ioctl.h>
29 
30 /*******************************************************************************
31  * software object classes
32  ******************************************************************************/
33 
34 static int
35 nv10_sw_flip(struct nvkm_object *object, u32 mthd, void *args, u32 size)
36 {
37 	struct nvkm_sw_chan *chan = (void *)nv_engctx(object->parent);
38 	nvkm_event_send(&chan->event, 1, 0, NULL, 0);
39 	return 0;
40 }
41 
42 static struct nvkm_omthds
43 nv10_sw_omthds[] = {
44 	{ 0x0500, 0x0500, nv10_sw_flip },
45 	{}
46 };
47 
48 static struct nvkm_oclass
49 nv10_sw_sclass[] = {
50 	{ NVIF_IOCTL_NEW_V0_SW_NV10, &nvkm_nvsw_ofuncs, nv10_sw_omthds },
51 	{}
52 };
53 
54 /*******************************************************************************
55  * software context
56  ******************************************************************************/
57 
58 static int
59 nv10_sw_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
60 		     struct nvkm_oclass *oclass, void *data, u32 size,
61 		     struct nvkm_object **pobject)
62 {
63 	struct nvkm_sw_chan *chan;
64 	int ret;
65 
66 	ret = nvkm_sw_context_create(parent, engine, oclass, &chan);
67 	*pobject = nv_object(chan);
68 	if (ret)
69 		return ret;
70 
71 	return 0;
72 }
73 
74 static struct nvkm_oclass
75 nv10_sw_cclass = {
76 	.handle = NV_ENGCTX(SW, 0x04),
77 	.ofuncs = &(struct nvkm_ofuncs) {
78 		.ctor = nv10_sw_context_ctor,
79 		.dtor = _nvkm_sw_context_dtor,
80 		.init = _nvkm_sw_context_init,
81 		.fini = _nvkm_sw_context_fini,
82 	},
83 };
84 
85 /*******************************************************************************
86  * software engine/subdev functions
87  ******************************************************************************/
88 
89 static int
90 nv10_sw_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
91 	     struct nvkm_oclass *oclass, void *data, u32 size,
92 	     struct nvkm_object **pobject)
93 {
94 	struct nvkm_sw *sw;
95 	int ret;
96 
97 	ret = nvkm_sw_create(parent, engine, oclass, &sw);
98 	*pobject = nv_object(sw);
99 	if (ret)
100 		return ret;
101 
102 	nv_engine(sw)->cclass = &nv10_sw_cclass;
103 	nv_engine(sw)->sclass = nv10_sw_sclass;
104 	nv_subdev(sw)->intr = nv04_sw_intr;
105 	return 0;
106 }
107 
108 struct nvkm_oclass *
109 nv10_sw_oclass = &(struct nvkm_oclass) {
110 	.handle = NV_ENGINE(SW, 0x10),
111 	.ofuncs = &(struct nvkm_ofuncs) {
112 		.ctor = nv10_sw_ctor,
113 		.dtor = _nvkm_sw_dtor,
114 		.init = _nvkm_sw_init,
115 		.fini = _nvkm_sw_fini,
116 	},
117 };
118