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/ce.h>
25 
26 #include <core/engctx.h>
27 
28 /*******************************************************************************
29  * Copy object classes
30  ******************************************************************************/
31 
32 static struct nvkm_oclass
33 gk104_ce_sclass[] = {
34 	{ 0xa0b5, &nvkm_object_ofuncs },
35 	{},
36 };
37 
38 /*******************************************************************************
39  * PCE context
40  ******************************************************************************/
41 
42 static struct nvkm_ofuncs
43 gk104_ce_context_ofuncs = {
44 	.ctor = _nvkm_engctx_ctor,
45 	.dtor = _nvkm_engctx_dtor,
46 	.init = _nvkm_engctx_init,
47 	.fini = _nvkm_engctx_fini,
48 	.rd32 = _nvkm_engctx_rd32,
49 	.wr32 = _nvkm_engctx_wr32,
50 };
51 
52 static struct nvkm_oclass
53 gk104_ce_cclass = {
54 	.handle = NV_ENGCTX(CE0, 0xc0),
55 	.ofuncs = &gk104_ce_context_ofuncs,
56 };
57 
58 /*******************************************************************************
59  * PCE engine/subdev functions
60  ******************************************************************************/
61 
62 static void
63 gk104_ce_intr(struct nvkm_subdev *subdev)
64 {
65 	struct nvkm_device *device = subdev->device;
66 	const int idx = nv_subidx(subdev) - NVDEV_ENGINE_CE0;
67 	u32 stat = nvkm_rd32(device, 0x104908 + (idx * 0x1000));
68 
69 	if (stat) {
70 		nvkm_warn(subdev, "intr %08x\n", stat);
71 		nvkm_wr32(device, 0x104908 + (idx * 0x1000), stat);
72 	}
73 }
74 
75 static int
76 gk104_ce0_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
77 	       struct nvkm_oclass *oclass, void *data, u32 size,
78 	       struct nvkm_object **pobject)
79 {
80 	struct nvkm_engine *ce;
81 	int ret;
82 
83 	ret = nvkm_engine_create(parent, engine, oclass, true,
84 				 "PCE0", "ce0", &ce);
85 	*pobject = nv_object(ce);
86 	if (ret)
87 		return ret;
88 
89 	nv_subdev(ce)->unit = 0x00000040;
90 	nv_subdev(ce)->intr = gk104_ce_intr;
91 	nv_engine(ce)->cclass = &gk104_ce_cclass;
92 	nv_engine(ce)->sclass = gk104_ce_sclass;
93 	return 0;
94 }
95 
96 static int
97 gk104_ce1_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
98 	       struct nvkm_oclass *oclass, void *data, u32 size,
99 	       struct nvkm_object **pobject)
100 {
101 	struct nvkm_engine *ce;
102 	int ret;
103 
104 	ret = nvkm_engine_create(parent, engine, oclass, true,
105 				 "PCE1", "ce1", &ce);
106 	*pobject = nv_object(ce);
107 	if (ret)
108 		return ret;
109 
110 	nv_subdev(ce)->unit = 0x00000080;
111 	nv_subdev(ce)->intr = gk104_ce_intr;
112 	nv_engine(ce)->cclass = &gk104_ce_cclass;
113 	nv_engine(ce)->sclass = gk104_ce_sclass;
114 	return 0;
115 }
116 
117 static int
118 gk104_ce2_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
119 	       struct nvkm_oclass *oclass, void *data, u32 size,
120 	       struct nvkm_object **pobject)
121 {
122 	struct nvkm_engine *ce;
123 	int ret;
124 
125 	ret = nvkm_engine_create(parent, engine, oclass, true,
126 				 "PCE2", "ce2", &ce);
127 	*pobject = nv_object(ce);
128 	if (ret)
129 		return ret;
130 
131 	nv_subdev(ce)->unit = 0x00200000;
132 	nv_subdev(ce)->intr = gk104_ce_intr;
133 	nv_engine(ce)->cclass = &gk104_ce_cclass;
134 	nv_engine(ce)->sclass = gk104_ce_sclass;
135 	return 0;
136 }
137 
138 struct nvkm_oclass
139 gk104_ce0_oclass = {
140 	.handle = NV_ENGINE(CE0, 0xe0),
141 	.ofuncs = &(struct nvkm_ofuncs) {
142 		.ctor = gk104_ce0_ctor,
143 		.dtor = _nvkm_engine_dtor,
144 		.init = _nvkm_engine_init,
145 		.fini = _nvkm_engine_fini,
146 	},
147 };
148 
149 struct nvkm_oclass
150 gk104_ce1_oclass = {
151 	.handle = NV_ENGINE(CE1, 0xe0),
152 	.ofuncs = &(struct nvkm_ofuncs) {
153 		.ctor = gk104_ce1_ctor,
154 		.dtor = _nvkm_engine_dtor,
155 		.init = _nvkm_engine_init,
156 		.fini = _nvkm_engine_fini,
157 	},
158 };
159 
160 struct nvkm_oclass
161 gk104_ce2_oclass = {
162 	.handle = NV_ENGINE(CE2, 0xe0),
163 	.ofuncs = &(struct nvkm_ofuncs) {
164 		.ctor = gk104_ce2_ctor,
165 		.dtor = _nvkm_engine_dtor,
166 		.init = _nvkm_engine_init,
167 		.fini = _nvkm_engine_fini,
168 	},
169 };
170