1 | /* $NetBSD: nouveau_engine_mpeg_nv44.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_nv44.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/client.h> |
33 | #include <core/engctx.h> |
34 | #include <core/handle.h> |
35 | |
36 | #include <subdev/fb.h> |
37 | #include <subdev/timer.h> |
38 | #include <subdev/instmem.h> |
39 | |
40 | #include <engine/fifo.h> |
41 | #include <engine/mpeg.h> |
42 | |
43 | struct nv44_mpeg_priv { |
44 | struct nouveau_mpeg base; |
45 | }; |
46 | |
47 | struct nv44_mpeg_chan { |
48 | struct nouveau_mpeg_chan base; |
49 | }; |
50 | |
51 | /******************************************************************************* |
52 | * PMPEG context |
53 | ******************************************************************************/ |
54 | |
55 | static int |
56 | nv44_mpeg_context_ctor(struct nouveau_object *parent, |
57 | struct nouveau_object *engine, |
58 | struct nouveau_oclass *oclass, void *data, u32 size, |
59 | struct nouveau_object **pobject) |
60 | { |
61 | struct nv44_mpeg_chan *chan; |
62 | int ret; |
63 | |
64 | ret = nouveau_mpeg_context_create(parent, engine, oclass, NULL, |
65 | 264 * 4, 16, |
66 | NVOBJ_FLAG_ZERO_ALLOC, &chan); |
67 | *pobject = nv_object(chan); |
68 | if (ret) |
69 | return ret; |
70 | |
71 | nv_wo32(&chan->base.base, 0x78, 0x02001ec1); |
72 | return 0; |
73 | } |
74 | |
75 | static int |
76 | nv44_mpeg_context_fini(struct nouveau_object *object, bool suspend) |
77 | { |
78 | |
79 | struct nv44_mpeg_priv *priv = (void *)object->engine; |
80 | struct nv44_mpeg_chan *chan = (void *)object; |
81 | u32 inst = 0x80000000 | nv_gpuobj(chan)->addr >> 4; |
82 | |
83 | nv_mask(priv, 0x00b32c, 0x00000001, 0x00000000); |
84 | if (nv_rd32(priv, 0x00b318) == inst) |
85 | nv_mask(priv, 0x00b318, 0x80000000, 0x00000000); |
86 | nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001); |
87 | return 0; |
88 | } |
89 | |
90 | static struct nouveau_oclass |
91 | nv44_mpeg_cclass = { |
92 | .handle = NV_ENGCTX(MPEG, 0x44), |
93 | .ofuncs = &(struct nouveau_ofuncs) { |
94 | .ctor = nv44_mpeg_context_ctor, |
95 | .dtor = _nouveau_mpeg_context_dtor, |
96 | .init = _nouveau_mpeg_context_init, |
97 | .fini = nv44_mpeg_context_fini, |
98 | .rd32 = _nouveau_mpeg_context_rd32, |
99 | .wr32 = _nouveau_mpeg_context_wr32, |
100 | }, |
101 | }; |
102 | |
103 | /******************************************************************************* |
104 | * PMPEG engine/subdev functions |
105 | ******************************************************************************/ |
106 | |
107 | static void |
108 | nv44_mpeg_intr(struct nouveau_subdev *subdev) |
109 | { |
110 | struct nouveau_fifo *pfifo = nouveau_fifo(subdev); |
111 | struct nouveau_engine *engine = nv_engine(subdev); |
112 | struct nouveau_object *engctx; |
113 | struct nouveau_handle *handle; |
114 | struct nv44_mpeg_priv *priv = (void *)subdev; |
115 | u32 inst = nv_rd32(priv, 0x00b318) & 0x000fffff; |
116 | u32 stat = nv_rd32(priv, 0x00b100); |
117 | u32 type = nv_rd32(priv, 0x00b230); |
118 | u32 mthd = nv_rd32(priv, 0x00b234); |
119 | u32 data = nv_rd32(priv, 0x00b238); |
120 | u32 show = stat; |
121 | int chid; |
122 | |
123 | engctx = nouveau_engctx_get(engine, inst); |
124 | chid = pfifo->chid(pfifo, engctx); |
125 | |
126 | if (stat & 0x01000000) { |
127 | /* happens on initial binding of the object */ |
128 | if (type == 0x00000020 && mthd == 0x0000) { |
129 | nv_mask(priv, 0x00b308, 0x00000000, 0x00000000); |
130 | show &= ~0x01000000; |
131 | } |
132 | |
133 | if (type == 0x00000010) { |
134 | handle = nouveau_handle_get_class(engctx, 0x3174); |
135 | if (handle && !nv_call(handle->object, mthd, data)) |
136 | show &= ~0x01000000; |
137 | nouveau_handle_put(handle); |
138 | } |
139 | } |
140 | |
141 | nv_wr32(priv, 0x00b100, stat); |
142 | nv_wr32(priv, 0x00b230, 0x00000001); |
143 | |
144 | if (show) { |
145 | nv_error(priv, |
146 | "ch %d [0x%08x %s] 0x%08x 0x%08x 0x%08x 0x%08x\n" , |
147 | chid, inst << 4, nouveau_client_name(engctx), stat, |
148 | type, mthd, data); |
149 | } |
150 | |
151 | nouveau_engctx_put(engctx); |
152 | } |
153 | |
154 | static void |
155 | nv44_mpeg_me_intr(struct nouveau_subdev *subdev) |
156 | { |
157 | struct nv44_mpeg_priv *priv = (void *)subdev; |
158 | u32 stat; |
159 | |
160 | if ((stat = nv_rd32(priv, 0x00b100))) |
161 | nv44_mpeg_intr(subdev); |
162 | |
163 | if ((stat = nv_rd32(priv, 0x00b800))) { |
164 | nv_error(priv, "PMSRCH 0x%08x\n" , stat); |
165 | nv_wr32(priv, 0x00b800, stat); |
166 | } |
167 | } |
168 | |
169 | static int |
170 | nv44_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
171 | struct nouveau_oclass *oclass, void *data, u32 size, |
172 | struct nouveau_object **pobject) |
173 | { |
174 | struct nv44_mpeg_priv *priv; |
175 | int ret; |
176 | |
177 | ret = nouveau_mpeg_create(parent, engine, oclass, &priv); |
178 | *pobject = nv_object(priv); |
179 | if (ret) |
180 | return ret; |
181 | |
182 | nv_subdev(priv)->unit = 0x00000002; |
183 | nv_subdev(priv)->intr = nv44_mpeg_me_intr; |
184 | nv_engine(priv)->cclass = &nv44_mpeg_cclass; |
185 | nv_engine(priv)->sclass = nv40_mpeg_sclass; |
186 | nv_engine(priv)->tile_prog = nv31_mpeg_tile_prog; |
187 | return 0; |
188 | } |
189 | |
190 | struct nouveau_oclass |
191 | nv44_mpeg_oclass = { |
192 | .handle = NV_ENGINE(MPEG, 0x44), |
193 | .ofuncs = &(struct nouveau_ofuncs) { |
194 | .ctor = nv44_mpeg_ctor, |
195 | .dtor = _nouveau_mpeg_dtor, |
196 | .init = nv31_mpeg_init, |
197 | .fini = _nouveau_mpeg_fini, |
198 | }, |
199 | }; |
200 | |