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nve0.c
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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 
25 #include <core/os.h>
26 #include <core/enum.h>
27 #include <core/class.h>
28 #include <core/engctx.h>
29 
30 #include <engine/copy.h>
31 
32 struct nve0_copy_priv {
33  struct nouveau_copy base;
34 };
35 
36 struct nve0_copy_chan {
37  struct nouveau_copy_chan base;
38 };
39 
40 /*******************************************************************************
41  * Copy object classes
42  ******************************************************************************/
43 
44 static struct nouveau_oclass
45 nve0_copy_sclass[] = {
46  { 0xa0b5, &nouveau_object_ofuncs },
47  {},
48 };
49 
50 /*******************************************************************************
51  * PCOPY context
52  ******************************************************************************/
53 
54 static int
55 nve0_copy_context_ctor(struct nouveau_object *parent,
56  struct nouveau_object *engine,
57  struct nouveau_oclass *oclass, void *data, u32 size,
58  struct nouveau_object **pobject)
59 {
60  struct nve0_copy_chan *priv;
61  int ret;
62 
63  ret = nouveau_copy_context_create(parent, engine, oclass, NULL, 256,
64  256, NVOBJ_FLAG_ZERO_ALLOC, &priv);
65  *pobject = nv_object(priv);
66  if (ret)
67  return ret;
68 
69  return 0;
70 }
71 
72 static struct nouveau_ofuncs
73 nve0_copy_context_ofuncs = {
74  .ctor = nve0_copy_context_ctor,
75  .dtor = _nouveau_copy_context_dtor,
76  .init = _nouveau_copy_context_init,
77  .fini = _nouveau_copy_context_fini,
78  .rd32 = _nouveau_copy_context_rd32,
79  .wr32 = _nouveau_copy_context_wr32,
80 };
81 
82 static struct nouveau_oclass
83 nve0_copy_cclass = {
84  .handle = NV_ENGCTX(COPY0, 0xc0),
85  .ofuncs = &nve0_copy_context_ofuncs,
86 };
87 
88 /*******************************************************************************
89  * PCOPY engine/subdev functions
90  ******************************************************************************/
91 
92 static int
93 nve0_copy0_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
94  struct nouveau_oclass *oclass, void *data, u32 size,
95  struct nouveau_object **pobject)
96 {
97  struct nve0_copy_priv *priv;
98  int ret;
99 
100  if (nv_rd32(parent, 0x022500) & 0x00000100)
101  return -ENODEV;
102 
103  ret = nouveau_copy_create(parent, engine, oclass, true, 0, &priv);
104  *pobject = nv_object(priv);
105  if (ret)
106  return ret;
107 
108  nv_subdev(priv)->unit = 0x00000040;
109  nv_engine(priv)->cclass = &nve0_copy_cclass;
110  nv_engine(priv)->sclass = nve0_copy_sclass;
111  return 0;
112 }
113 
114 static int
115 nve0_copy1_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
116  struct nouveau_oclass *oclass, void *data, u32 size,
117  struct nouveau_object **pobject)
118 {
119  struct nve0_copy_priv *priv;
120  int ret;
121 
122  if (nv_rd32(parent, 0x022500) & 0x00000200)
123  return -ENODEV;
124 
125  ret = nouveau_copy_create(parent, engine, oclass, true, 1, &priv);
126  *pobject = nv_object(priv);
127  if (ret)
128  return ret;
129 
130  nv_subdev(priv)->unit = 0x00000080;
131  nv_engine(priv)->cclass = &nve0_copy_cclass;
132  nv_engine(priv)->sclass = nve0_copy_sclass;
133  return 0;
134 }
135 
136 struct nouveau_oclass
137 nve0_copy0_oclass = {
138  .handle = NV_ENGINE(COPY0, 0xe0),
139  .ofuncs = &(struct nouveau_ofuncs) {
140  .ctor = nve0_copy0_ctor,
141  .dtor = _nouveau_copy_dtor,
142  .init = _nouveau_copy_init,
143  .fini = _nouveau_copy_fini,
144  },
145 };
146 
147 struct nouveau_oclass
148 nve0_copy1_oclass = {
149  .handle = NV_ENGINE(COPY1, 0xe0),
150  .ofuncs = &(struct nouveau_ofuncs) {
151  .ctor = nve0_copy1_ctor,
152  .dtor = _nouveau_copy_dtor,
153  .init = _nouveau_copy_init,
154  .fini = _nouveau_copy_fini,
155  },
156 };
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