1/*
2 * Copyright 2015 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
28struct gm204_ce_priv {
29	struct nvkm_engine base;
30};
31
32/*******************************************************************************
33 * Copy object classes
34 ******************************************************************************/
35
36static struct nvkm_oclass
37gm204_ce_sclass[] = {
38	{ 0xb0b5, &nvkm_object_ofuncs },
39	{},
40};
41
42/*******************************************************************************
43 * PCE context
44 ******************************************************************************/
45
46static struct nvkm_ofuncs
47gm204_ce_context_ofuncs = {
48	.ctor = _nvkm_engctx_ctor,
49	.dtor = _nvkm_engctx_dtor,
50	.init = _nvkm_engctx_init,
51	.fini = _nvkm_engctx_fini,
52	.rd32 = _nvkm_engctx_rd32,
53	.wr32 = _nvkm_engctx_wr32,
54};
55
56static struct nvkm_oclass
57gm204_ce_cclass = {
58	.handle = NV_ENGCTX(CE0, 0x24),
59	.ofuncs = &gm204_ce_context_ofuncs,
60};
61
62/*******************************************************************************
63 * PCE engine/subdev functions
64 ******************************************************************************/
65
66static void
67gm204_ce_intr(struct nvkm_subdev *subdev)
68{
69	const int ce = nv_subidx(subdev) - NVDEV_ENGINE_CE0;
70	struct gm204_ce_priv *priv = (void *)subdev;
71	u32 stat = nv_rd32(priv, 0x104908 + (ce * 0x1000));
72
73	if (stat) {
74		nv_warn(priv, "unhandled intr 0x%08x\n", stat);
75		nv_wr32(priv, 0x104908 + (ce * 0x1000), stat);
76	}
77}
78
79static int
80gm204_ce0_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
81	       struct nvkm_oclass *oclass, void *data, u32 size,
82	       struct nvkm_object **pobject)
83{
84	struct gm204_ce_priv *priv;
85	int ret;
86
87	ret = nvkm_engine_create(parent, engine, oclass, true,
88				 "PCE0", "ce0", &priv);
89	*pobject = nv_object(priv);
90	if (ret)
91		return ret;
92
93	nv_subdev(priv)->unit = 0x00000040;
94	nv_subdev(priv)->intr = gm204_ce_intr;
95	nv_engine(priv)->cclass = &gm204_ce_cclass;
96	nv_engine(priv)->sclass = gm204_ce_sclass;
97	return 0;
98}
99
100static int
101gm204_ce1_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
102	       struct nvkm_oclass *oclass, void *data, u32 size,
103	       struct nvkm_object **pobject)
104{
105	struct gm204_ce_priv *priv;
106	int ret;
107
108	ret = nvkm_engine_create(parent, engine, oclass, true,
109				 "PCE1", "ce1", &priv);
110	*pobject = nv_object(priv);
111	if (ret)
112		return ret;
113
114	nv_subdev(priv)->unit = 0x00000080;
115	nv_subdev(priv)->intr = gm204_ce_intr;
116	nv_engine(priv)->cclass = &gm204_ce_cclass;
117	nv_engine(priv)->sclass = gm204_ce_sclass;
118	return 0;
119}
120
121static int
122gm204_ce2_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
123	       struct nvkm_oclass *oclass, void *data, u32 size,
124	       struct nvkm_object **pobject)
125{
126	struct gm204_ce_priv *priv;
127	int ret;
128
129	ret = nvkm_engine_create(parent, engine, oclass, true,
130				 "PCE2", "ce2", &priv);
131	*pobject = nv_object(priv);
132	if (ret)
133		return ret;
134
135	nv_subdev(priv)->unit = 0x00200000;
136	nv_subdev(priv)->intr = gm204_ce_intr;
137	nv_engine(priv)->cclass = &gm204_ce_cclass;
138	nv_engine(priv)->sclass = gm204_ce_sclass;
139	return 0;
140}
141
142struct nvkm_oclass
143gm204_ce0_oclass = {
144	.handle = NV_ENGINE(CE0, 0x24),
145	.ofuncs = &(struct nvkm_ofuncs) {
146		.ctor = gm204_ce0_ctor,
147		.dtor = _nvkm_engine_dtor,
148		.init = _nvkm_engine_init,
149		.fini = _nvkm_engine_fini,
150	},
151};
152
153struct nvkm_oclass
154gm204_ce1_oclass = {
155	.handle = NV_ENGINE(CE1, 0x24),
156	.ofuncs = &(struct nvkm_ofuncs) {
157		.ctor = gm204_ce1_ctor,
158		.dtor = _nvkm_engine_dtor,
159		.init = _nvkm_engine_init,
160		.fini = _nvkm_engine_fini,
161	},
162};
163
164struct nvkm_oclass
165gm204_ce2_oclass = {
166	.handle = NV_ENGINE(CE2, 0x24),
167	.ofuncs = &(struct nvkm_ofuncs) {
168		.ctor = gm204_ce2_ctor,
169		.dtor = _nvkm_engine_dtor,
170		.init = _nvkm_engine_init,
171		.fini = _nvkm_engine_fini,
172	},
173};
174