1 | /* $NetBSD: nouveau_engine_mpeg_nv50.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $ */ |
2 | |
3 | /* |
4 | * Copyright 2012 Red Hat Inc. |
5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining a |
7 | * copy of this software and associated documentation files (the "Software"), |
8 | * to deal in the Software without restriction, including without limitation |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
10 | * and/or sell copies of the Software, and to permit persons to whom the |
11 | * Software is furnished to do so, subject to the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice shall be included in |
14 | * all copies or substantial portions of the Software. |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
22 | * OTHER DEALINGS IN THE SOFTWARE. |
23 | * |
24 | * Authors: Ben Skeggs |
25 | */ |
26 | |
27 | #include <sys/cdefs.h> |
28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_engine_mpeg_nv50.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $" ); |
29 | |
30 | #include <core/os.h> |
31 | #include <core/class.h> |
32 | #include <core/engctx.h> |
33 | |
34 | #include <subdev/vm.h> |
35 | #include <subdev/bar.h> |
36 | #include <subdev/timer.h> |
37 | |
38 | #include <engine/mpeg.h> |
39 | |
40 | struct nv50_mpeg_priv { |
41 | struct nouveau_mpeg base; |
42 | }; |
43 | |
44 | struct nv50_mpeg_chan { |
45 | struct nouveau_mpeg_chan base; |
46 | }; |
47 | |
48 | /******************************************************************************* |
49 | * MPEG object classes |
50 | ******************************************************************************/ |
51 | |
52 | static int |
53 | nv50_mpeg_object_ctor(struct nouveau_object *parent, |
54 | struct nouveau_object *engine, |
55 | struct nouveau_oclass *oclass, void *data, u32 size, |
56 | struct nouveau_object **pobject) |
57 | { |
58 | struct nouveau_gpuobj *obj; |
59 | int ret; |
60 | |
61 | ret = nouveau_gpuobj_create(parent, engine, oclass, 0, parent, |
62 | 16, 16, 0, &obj); |
63 | *pobject = nv_object(obj); |
64 | if (ret) |
65 | return ret; |
66 | |
67 | nv_wo32(obj, 0x00, nv_mclass(obj)); |
68 | nv_wo32(obj, 0x04, 0x00000000); |
69 | nv_wo32(obj, 0x08, 0x00000000); |
70 | nv_wo32(obj, 0x0c, 0x00000000); |
71 | return 0; |
72 | } |
73 | |
74 | struct nouveau_ofuncs |
75 | nv50_mpeg_ofuncs = { |
76 | .ctor = nv50_mpeg_object_ctor, |
77 | .dtor = _nouveau_gpuobj_dtor, |
78 | .init = _nouveau_gpuobj_init, |
79 | .fini = _nouveau_gpuobj_fini, |
80 | .rd32 = _nouveau_gpuobj_rd32, |
81 | .wr32 = _nouveau_gpuobj_wr32, |
82 | }; |
83 | |
84 | static struct nouveau_oclass |
85 | nv50_mpeg_sclass[] = { |
86 | { 0x3174, &nv50_mpeg_ofuncs }, |
87 | {} |
88 | }; |
89 | |
90 | /******************************************************************************* |
91 | * PMPEG context |
92 | ******************************************************************************/ |
93 | |
94 | int |
95 | nv50_mpeg_context_ctor(struct nouveau_object *parent, |
96 | struct nouveau_object *engine, |
97 | struct nouveau_oclass *oclass, void *data, u32 size, |
98 | struct nouveau_object **pobject) |
99 | { |
100 | struct nouveau_bar *bar = nouveau_bar(parent); |
101 | struct nv50_mpeg_chan *chan; |
102 | int ret; |
103 | |
104 | ret = nouveau_mpeg_context_create(parent, engine, oclass, NULL, 128 * 4, |
105 | 0, NVOBJ_FLAG_ZERO_ALLOC, &chan); |
106 | *pobject = nv_object(chan); |
107 | if (ret) |
108 | return ret; |
109 | |
110 | nv_wo32(chan, 0x0070, 0x00801ec1); |
111 | nv_wo32(chan, 0x007c, 0x0000037c); |
112 | bar->flush(bar); |
113 | return 0; |
114 | } |
115 | |
116 | static struct nouveau_oclass |
117 | nv50_mpeg_cclass = { |
118 | .handle = NV_ENGCTX(MPEG, 0x50), |
119 | .ofuncs = &(struct nouveau_ofuncs) { |
120 | .ctor = nv50_mpeg_context_ctor, |
121 | .dtor = _nouveau_mpeg_context_dtor, |
122 | .init = _nouveau_mpeg_context_init, |
123 | .fini = _nouveau_mpeg_context_fini, |
124 | .rd32 = _nouveau_mpeg_context_rd32, |
125 | .wr32 = _nouveau_mpeg_context_wr32, |
126 | }, |
127 | }; |
128 | |
129 | /******************************************************************************* |
130 | * PMPEG engine/subdev functions |
131 | ******************************************************************************/ |
132 | |
133 | void |
134 | nv50_mpeg_intr(struct nouveau_subdev *subdev) |
135 | { |
136 | struct nv50_mpeg_priv *priv = (void *)subdev; |
137 | u32 stat = nv_rd32(priv, 0x00b100); |
138 | u32 type = nv_rd32(priv, 0x00b230); |
139 | u32 mthd = nv_rd32(priv, 0x00b234); |
140 | u32 data = nv_rd32(priv, 0x00b238); |
141 | u32 show = stat; |
142 | |
143 | if (stat & 0x01000000) { |
144 | /* happens on initial binding of the object */ |
145 | if (type == 0x00000020 && mthd == 0x0000) { |
146 | nv_wr32(priv, 0x00b308, 0x00000100); |
147 | show &= ~0x01000000; |
148 | } |
149 | } |
150 | |
151 | if (show) { |
152 | nv_info(priv, "0x%08x 0x%08x 0x%08x 0x%08x\n" , |
153 | stat, type, mthd, data); |
154 | } |
155 | |
156 | nv_wr32(priv, 0x00b100, stat); |
157 | nv_wr32(priv, 0x00b230, 0x00000001); |
158 | } |
159 | |
160 | static void |
161 | nv50_vpe_intr(struct nouveau_subdev *subdev) |
162 | { |
163 | struct nv50_mpeg_priv *priv = (void *)subdev; |
164 | |
165 | if (nv_rd32(priv, 0x00b100)) |
166 | nv50_mpeg_intr(subdev); |
167 | |
168 | if (nv_rd32(priv, 0x00b800)) { |
169 | u32 stat = nv_rd32(priv, 0x00b800); |
170 | nv_info(priv, "PMSRCH: 0x%08x\n" , stat); |
171 | nv_wr32(priv, 0xb800, stat); |
172 | } |
173 | } |
174 | |
175 | static int |
176 | nv50_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
177 | struct nouveau_oclass *oclass, void *data, u32 size, |
178 | struct nouveau_object **pobject) |
179 | { |
180 | struct nv50_mpeg_priv *priv; |
181 | int ret; |
182 | |
183 | ret = nouveau_mpeg_create(parent, engine, oclass, &priv); |
184 | *pobject = nv_object(priv); |
185 | if (ret) |
186 | return ret; |
187 | |
188 | nv_subdev(priv)->unit = 0x00400002; |
189 | nv_subdev(priv)->intr = nv50_vpe_intr; |
190 | nv_engine(priv)->cclass = &nv50_mpeg_cclass; |
191 | nv_engine(priv)->sclass = nv50_mpeg_sclass; |
192 | return 0; |
193 | } |
194 | |
195 | int |
196 | nv50_mpeg_init(struct nouveau_object *object) |
197 | { |
198 | struct nv50_mpeg_priv *priv = (void *)object; |
199 | int ret; |
200 | |
201 | ret = nouveau_mpeg_init(&priv->base); |
202 | if (ret) |
203 | return ret; |
204 | |
205 | nv_wr32(priv, 0x00b32c, 0x00000000); |
206 | nv_wr32(priv, 0x00b314, 0x00000100); |
207 | nv_wr32(priv, 0x00b0e0, 0x0000001a); |
208 | |
209 | nv_wr32(priv, 0x00b220, 0x00000044); |
210 | nv_wr32(priv, 0x00b300, 0x00801ec1); |
211 | nv_wr32(priv, 0x00b390, 0x00000000); |
212 | nv_wr32(priv, 0x00b394, 0x00000000); |
213 | nv_wr32(priv, 0x00b398, 0x00000000); |
214 | nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001); |
215 | |
216 | nv_wr32(priv, 0x00b100, 0xffffffff); |
217 | nv_wr32(priv, 0x00b140, 0xffffffff); |
218 | |
219 | if (!nv_wait(priv, 0x00b200, 0x00000001, 0x00000000)) { |
220 | nv_error(priv, "timeout 0x%08x\n" , nv_rd32(priv, 0x00b200)); |
221 | return -EBUSY; |
222 | } |
223 | |
224 | return 0; |
225 | } |
226 | |
227 | struct nouveau_oclass |
228 | nv50_mpeg_oclass = { |
229 | .handle = NV_ENGINE(MPEG, 0x50), |
230 | .ofuncs = &(struct nouveau_ofuncs) { |
231 | .ctor = nv50_mpeg_ctor, |
232 | .dtor = _nouveau_mpeg_dtor, |
233 | .init = nv50_mpeg_init, |
234 | .fini = _nouveau_mpeg_fini, |
235 | }, |
236 | }; |
237 | |