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/client.h>
27 #include <core/engctx.h>
28 #include <core/handle.h>
29
30 #include <subdev/fb.h>
31 #include <subdev/timer.h>
32 #include <subdev/instmem.h>
33
34 #include <engine/fifo.h>
35 #include <engine/mpeg.h>
36
37 struct nv44_mpeg_priv {
38 struct nouveau_mpeg base;
39 };
40
41 struct nv44_mpeg_chan {
42 struct nouveau_mpeg_chan base;
43 };
44
45 /*******************************************************************************
46 * PMPEG context
47 ******************************************************************************/
48
49 static int
nv44_mpeg_context_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)50 nv44_mpeg_context_ctor(struct nouveau_object *parent,
51 struct nouveau_object *engine,
52 struct nouveau_oclass *oclass, void *data, u32 size,
53 struct nouveau_object **pobject)
54 {
55 struct nv44_mpeg_chan *chan;
56 int ret;
57
58 ret = nouveau_mpeg_context_create(parent, engine, oclass, NULL,
59 264 * 4, 16,
60 NVOBJ_FLAG_ZERO_ALLOC, &chan);
61 *pobject = nv_object(chan);
62 if (ret)
63 return ret;
64
65 nv_wo32(&chan->base.base, 0x78, 0x02001ec1);
66 return 0;
67 }
68
69 static int
nv44_mpeg_context_fini(struct nouveau_object * object,bool suspend)70 nv44_mpeg_context_fini(struct nouveau_object *object, bool suspend)
71 {
72
73 struct nv44_mpeg_priv *priv = (void *)object->engine;
74 struct nv44_mpeg_chan *chan = (void *)object;
75 u32 inst = 0x80000000 | nv_gpuobj(chan)->addr >> 4;
76
77 nv_mask(priv, 0x00b32c, 0x00000001, 0x00000000);
78 if (nv_rd32(priv, 0x00b318) == inst)
79 nv_mask(priv, 0x00b318, 0x80000000, 0x00000000);
80 nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001);
81 return 0;
82 }
83
84 static struct nouveau_oclass
85 nv44_mpeg_cclass = {
86 .handle = NV_ENGCTX(MPEG, 0x44),
87 .ofuncs = &(struct nouveau_ofuncs) {
88 .ctor = nv44_mpeg_context_ctor,
89 .dtor = _nouveau_mpeg_context_dtor,
90 .init = _nouveau_mpeg_context_init,
91 .fini = nv44_mpeg_context_fini,
92 .rd32 = _nouveau_mpeg_context_rd32,
93 .wr32 = _nouveau_mpeg_context_wr32,
94 },
95 };
96
97 /*******************************************************************************
98 * PMPEG engine/subdev functions
99 ******************************************************************************/
100
101 static void
nv44_mpeg_intr(struct nouveau_subdev * subdev)102 nv44_mpeg_intr(struct nouveau_subdev *subdev)
103 {
104 struct nouveau_fifo *pfifo = nouveau_fifo(subdev);
105 struct nouveau_engine *engine = nv_engine(subdev);
106 struct nouveau_object *engctx;
107 struct nouveau_handle *handle;
108 struct nv44_mpeg_priv *priv = (void *)subdev;
109 u32 inst = nv_rd32(priv, 0x00b318) & 0x000fffff;
110 u32 stat = nv_rd32(priv, 0x00b100);
111 u32 type = nv_rd32(priv, 0x00b230);
112 u32 mthd = nv_rd32(priv, 0x00b234);
113 u32 data = nv_rd32(priv, 0x00b238);
114 u32 show = stat;
115 int chid;
116
117 engctx = nouveau_engctx_get(engine, inst);
118 chid = pfifo->chid(pfifo, engctx);
119
120 if (stat & 0x01000000) {
121 /* happens on initial binding of the object */
122 if (type == 0x00000020 && mthd == 0x0000) {
123 nv_mask(priv, 0x00b308, 0x00000000, 0x00000000);
124 show &= ~0x01000000;
125 }
126
127 if (type == 0x00000010) {
128 handle = nouveau_handle_get_class(engctx, 0x3174);
129 if (handle && !nv_call(handle->object, mthd, data))
130 show &= ~0x01000000;
131 nouveau_handle_put(handle);
132 }
133 }
134
135 nv_wr32(priv, 0x00b100, stat);
136 nv_wr32(priv, 0x00b230, 0x00000001);
137
138 if (show) {
139 nv_error(priv,
140 "ch %d [0x%08x %s] 0x%08x 0x%08x 0x%08x 0x%08x\n",
141 chid, inst << 4, nouveau_client_name(engctx), stat,
142 type, mthd, data);
143 }
144
145 nouveau_engctx_put(engctx);
146 }
147
148 static void
nv44_mpeg_me_intr(struct nouveau_subdev * subdev)149 nv44_mpeg_me_intr(struct nouveau_subdev *subdev)
150 {
151 struct nv44_mpeg_priv *priv = (void *)subdev;
152 u32 stat;
153
154 if ((stat = nv_rd32(priv, 0x00b100)))
155 nv44_mpeg_intr(subdev);
156
157 if ((stat = nv_rd32(priv, 0x00b800))) {
158 nv_error(priv, "PMSRCH 0x%08x\n", stat);
159 nv_wr32(priv, 0x00b800, stat);
160 }
161 }
162
163 static int
nv44_mpeg_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)164 nv44_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
165 struct nouveau_oclass *oclass, void *data, u32 size,
166 struct nouveau_object **pobject)
167 {
168 struct nv44_mpeg_priv *priv;
169 int ret;
170
171 ret = nouveau_mpeg_create(parent, engine, oclass, &priv);
172 *pobject = nv_object(priv);
173 if (ret)
174 return ret;
175
176 nv_subdev(priv)->unit = 0x00000002;
177 nv_subdev(priv)->intr = nv44_mpeg_me_intr;
178 nv_engine(priv)->cclass = &nv44_mpeg_cclass;
179 nv_engine(priv)->sclass = nv40_mpeg_sclass;
180 nv_engine(priv)->tile_prog = nv31_mpeg_tile_prog;
181 return 0;
182 }
183
184 struct nouveau_oclass
185 nv44_mpeg_oclass = {
186 .handle = NV_ENGINE(MPEG, 0x44),
187 .ofuncs = &(struct nouveau_ofuncs) {
188 .ctor = nv44_mpeg_ctor,
189 .dtor = _nouveau_mpeg_dtor,
190 .init = nv31_mpeg_init,
191 .fini = _nouveau_mpeg_fini,
192 },
193 };
194