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/class.h>
27 #include <core/engctx.h>
28
29 #include <subdev/vm.h>
30 #include <subdev/bar.h>
31 #include <subdev/timer.h>
32
33 #include <engine/mpeg.h>
34
35 struct nv50_mpeg_priv {
36 struct nouveau_mpeg base;
37 };
38
39 struct nv50_mpeg_chan {
40 struct nouveau_mpeg_chan base;
41 };
42
43 /*******************************************************************************
44 * MPEG object classes
45 ******************************************************************************/
46
47 static int
nv50_mpeg_object_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)48 nv50_mpeg_object_ctor(struct nouveau_object *parent,
49 struct nouveau_object *engine,
50 struct nouveau_oclass *oclass, void *data, u32 size,
51 struct nouveau_object **pobject)
52 {
53 struct nouveau_gpuobj *obj;
54 int ret;
55
56 ret = nouveau_gpuobj_create(parent, engine, oclass, 0, parent,
57 16, 16, 0, &obj);
58 *pobject = nv_object(obj);
59 if (ret)
60 return ret;
61
62 nv_wo32(obj, 0x00, nv_mclass(obj));
63 nv_wo32(obj, 0x04, 0x00000000);
64 nv_wo32(obj, 0x08, 0x00000000);
65 nv_wo32(obj, 0x0c, 0x00000000);
66 return 0;
67 }
68
69 struct nouveau_ofuncs
70 nv50_mpeg_ofuncs = {
71 .ctor = nv50_mpeg_object_ctor,
72 .dtor = _nouveau_gpuobj_dtor,
73 .init = _nouveau_gpuobj_init,
74 .fini = _nouveau_gpuobj_fini,
75 .rd32 = _nouveau_gpuobj_rd32,
76 .wr32 = _nouveau_gpuobj_wr32,
77 };
78
79 static struct nouveau_oclass
80 nv50_mpeg_sclass[] = {
81 { 0x3174, &nv50_mpeg_ofuncs },
82 {}
83 };
84
85 /*******************************************************************************
86 * PMPEG context
87 ******************************************************************************/
88
89 int
nv50_mpeg_context_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)90 nv50_mpeg_context_ctor(struct nouveau_object *parent,
91 struct nouveau_object *engine,
92 struct nouveau_oclass *oclass, void *data, u32 size,
93 struct nouveau_object **pobject)
94 {
95 struct nouveau_bar *bar = nouveau_bar(parent);
96 struct nv50_mpeg_chan *chan;
97 int ret;
98
99 ret = nouveau_mpeg_context_create(parent, engine, oclass, NULL, 128 * 4,
100 0, NVOBJ_FLAG_ZERO_ALLOC, &chan);
101 *pobject = nv_object(chan);
102 if (ret)
103 return ret;
104
105 nv_wo32(chan, 0x0070, 0x00801ec1);
106 nv_wo32(chan, 0x007c, 0x0000037c);
107 bar->flush(bar);
108 return 0;
109 }
110
111 static struct nouveau_oclass
112 nv50_mpeg_cclass = {
113 .handle = NV_ENGCTX(MPEG, 0x50),
114 .ofuncs = &(struct nouveau_ofuncs) {
115 .ctor = nv50_mpeg_context_ctor,
116 .dtor = _nouveau_mpeg_context_dtor,
117 .init = _nouveau_mpeg_context_init,
118 .fini = _nouveau_mpeg_context_fini,
119 .rd32 = _nouveau_mpeg_context_rd32,
120 .wr32 = _nouveau_mpeg_context_wr32,
121 },
122 };
123
124 /*******************************************************************************
125 * PMPEG engine/subdev functions
126 ******************************************************************************/
127
128 int
nv50_mpeg_tlb_flush(struct nouveau_engine * engine)129 nv50_mpeg_tlb_flush(struct nouveau_engine *engine)
130 {
131 nv50_vm_flush_engine(&engine->base, 0x08);
132 return 0;
133 }
134
135 void
nv50_mpeg_intr(struct nouveau_subdev * subdev)136 nv50_mpeg_intr(struct nouveau_subdev *subdev)
137 {
138 struct nv50_mpeg_priv *priv = (void *)subdev;
139 u32 stat = nv_rd32(priv, 0x00b100);
140 u32 type = nv_rd32(priv, 0x00b230);
141 u32 mthd = nv_rd32(priv, 0x00b234);
142 u32 data = nv_rd32(priv, 0x00b238);
143 u32 show = stat;
144
145 if (stat & 0x01000000) {
146 /* happens on initial binding of the object */
147 if (type == 0x00000020 && mthd == 0x0000) {
148 nv_wr32(priv, 0x00b308, 0x00000100);
149 show &= ~0x01000000;
150 }
151 }
152
153 if (show) {
154 nv_info(priv, "0x%08x 0x%08x 0x%08x 0x%08x\n",
155 stat, type, mthd, data);
156 }
157
158 nv_wr32(priv, 0x00b100, stat);
159 nv_wr32(priv, 0x00b230, 0x00000001);
160 }
161
162 static void
nv50_vpe_intr(struct nouveau_subdev * subdev)163 nv50_vpe_intr(struct nouveau_subdev *subdev)
164 {
165 struct nv50_mpeg_priv *priv = (void *)subdev;
166
167 if (nv_rd32(priv, 0x00b100))
168 nv50_mpeg_intr(subdev);
169
170 if (nv_rd32(priv, 0x00b800)) {
171 u32 stat = nv_rd32(priv, 0x00b800);
172 nv_info(priv, "PMSRCH: 0x%08x\n", stat);
173 nv_wr32(priv, 0xb800, stat);
174 }
175 }
176
177 static int
nv50_mpeg_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)178 nv50_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
179 struct nouveau_oclass *oclass, void *data, u32 size,
180 struct nouveau_object **pobject)
181 {
182 struct nv50_mpeg_priv *priv;
183 int ret;
184
185 ret = nouveau_mpeg_create(parent, engine, oclass, &priv);
186 *pobject = nv_object(priv);
187 if (ret)
188 return ret;
189
190 nv_subdev(priv)->unit = 0x00400002;
191 nv_subdev(priv)->intr = nv50_vpe_intr;
192 nv_engine(priv)->cclass = &nv50_mpeg_cclass;
193 nv_engine(priv)->sclass = nv50_mpeg_sclass;
194 nv_engine(priv)->tlb_flush = nv50_mpeg_tlb_flush;
195 return 0;
196 }
197
198 int
nv50_mpeg_init(struct nouveau_object * object)199 nv50_mpeg_init(struct nouveau_object *object)
200 {
201 struct nv50_mpeg_priv *priv = (void *)object;
202 int ret;
203
204 ret = nouveau_mpeg_init(&priv->base);
205 if (ret)
206 return ret;
207
208 nv_wr32(priv, 0x00b32c, 0x00000000);
209 nv_wr32(priv, 0x00b314, 0x00000100);
210 nv_wr32(priv, 0x00b0e0, 0x0000001a);
211
212 nv_wr32(priv, 0x00b220, 0x00000044);
213 nv_wr32(priv, 0x00b300, 0x00801ec1);
214 nv_wr32(priv, 0x00b390, 0x00000000);
215 nv_wr32(priv, 0x00b394, 0x00000000);
216 nv_wr32(priv, 0x00b398, 0x00000000);
217 nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001);
218
219 nv_wr32(priv, 0x00b100, 0xffffffff);
220 nv_wr32(priv, 0x00b140, 0xffffffff);
221
222 if (!nv_wait(priv, 0x00b200, 0x00000001, 0x00000000)) {
223 nv_error(priv, "timeout 0x%08x\n", nv_rd32(priv, 0x00b200));
224 return -EBUSY;
225 }
226
227 return 0;
228 }
229
230 struct nouveau_oclass
231 nv50_mpeg_oclass = {
232 .handle = NV_ENGINE(MPEG, 0x50),
233 .ofuncs = &(struct nouveau_ofuncs) {
234 .ctor = nv50_mpeg_ctor,
235 .dtor = _nouveau_mpeg_dtor,
236 .init = nv50_mpeg_init,
237 .fini = _nouveau_mpeg_fini,
238 },
239 };
240