1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/*
* Copyright 2012 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
#define nv44_mpeg(p) container_of((p), struct nv44_mpeg, engine)
#include "priv.h"
#include <core/client.h>
#include <core/gpuobj.h>
#include <engine/fifo.h>
#include <nvif/class.h>
struct nv44_mpeg {
struct nvkm_engine engine;
struct list_head chan;
};
/*******************************************************************************
* PMPEG context
******************************************************************************/
#define nv44_mpeg_chan(p) container_of((p), struct nv44_mpeg_chan, object)
struct nv44_mpeg_chan {
struct nvkm_object object;
struct nv44_mpeg *mpeg;
struct nvkm_fifo_chan *fifo;
struct list_head head;
u32 inst;
};
static int
nv44_mpeg_chan_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
int align, struct nvkm_gpuobj **pgpuobj)
{
struct nv44_mpeg_chan *chan = nv44_mpeg_chan(object);
int ret = nvkm_gpuobj_new(chan->object.engine->subdev.device, 264 * 4,
align, true, parent, pgpuobj);
if (ret == 0) {
chan->inst = (*pgpuobj)->addr;
nvkm_kmap(*pgpuobj);
nvkm_wo32(*pgpuobj, 0x78, 0x02001ec1);
nvkm_done(*pgpuobj);
}
return ret;
}
static int
nv44_mpeg_chan_fini(struct nvkm_object *object, bool suspend)
{
struct nv44_mpeg_chan *chan = nv44_mpeg_chan(object);
struct nv44_mpeg *mpeg = chan->mpeg;
struct nvkm_device *device = mpeg->engine.subdev.device;
u32 inst = 0x80000000 | (chan->inst >> 4);
nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000000);
if (nvkm_rd32(device, 0x00b318) == inst)
nvkm_mask(device, 0x00b318, 0x80000000, 0x00000000);
nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000001);
return 0;
}
static void *
nv44_mpeg_chan_dtor(struct nvkm_object *object)
{
struct nv44_mpeg_chan *chan = nv44_mpeg_chan(object);
struct nv44_mpeg *mpeg = chan->mpeg;
unsigned long flags;
spin_lock_irqsave(&mpeg->engine.lock, flags);
list_del(&chan->head);
spin_unlock_irqrestore(&mpeg->engine.lock, flags);
return chan;
}
static const struct nvkm_object_func
nv44_mpeg_chan = {
.dtor = nv44_mpeg_chan_dtor,
.fini = nv44_mpeg_chan_fini,
.bind = nv44_mpeg_chan_bind,
};
static int
nv44_mpeg_chan_new(struct nvkm_fifo_chan *fifoch,
const struct nvkm_oclass *oclass,
struct nvkm_object **pobject)
{
struct nv44_mpeg *mpeg = nv44_mpeg(oclass->engine);
struct nv44_mpeg_chan *chan;
unsigned long flags;
if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
return -ENOMEM;
nvkm_object_ctor(&nv44_mpeg_chan, oclass, &chan->object);
chan->mpeg = mpeg;
chan->fifo = fifoch;
*pobject = &chan->object;
spin_lock_irqsave(&mpeg->engine.lock, flags);
list_add(&chan->head, &mpeg->chan);
spin_unlock_irqrestore(&mpeg->engine.lock, flags);
return 0;
}
/*******************************************************************************
* PMPEG engine/subdev functions
******************************************************************************/
static bool
nv44_mpeg_mthd(struct nvkm_device *device, u32 mthd, u32 data)
{
switch (mthd) {
case 0x190:
case 0x1a0:
case 0x1b0:
return nv40_mpeg_mthd_dma(device, mthd, data);
default:
break;
}
return false;
}
static void
nv44_mpeg_intr(struct nvkm_engine *engine)
{
struct nv44_mpeg *mpeg = nv44_mpeg(engine);
struct nvkm_subdev *subdev = &mpeg->engine.subdev;
struct nvkm_device *device = subdev->device;
struct nv44_mpeg_chan *temp, *chan = NULL;
unsigned long flags;
u32 inst = nvkm_rd32(device, 0x00b318) & 0x000fffff;
u32 stat = nvkm_rd32(device, 0x00b100);
u32 type = nvkm_rd32(device, 0x00b230);
u32 mthd = nvkm_rd32(device, 0x00b234);
u32 data = nvkm_rd32(device, 0x00b238);
u32 show = stat;
spin_lock_irqsave(&mpeg->engine.lock, flags);
list_for_each_entry(temp, &mpeg->chan, head) {
if (temp->inst >> 4 == inst) {
chan = temp;
list_del(&chan->head);
list_add(&chan->head, &mpeg->chan);
break;
}
}
if (stat & 0x01000000) {
/* happens on initial binding of the object */
if (type == 0x00000020 && mthd == 0x0000) {
nvkm_mask(device, 0x00b308, 0x00000000, 0x00000000);
show &= ~0x01000000;
}
if (type == 0x00000010) {
if (nv44_mpeg_mthd(subdev->device, mthd, data))
show &= ~0x01000000;
}
}
nvkm_wr32(device, 0x00b100, stat);
nvkm_wr32(device, 0x00b230, 0x00000001);
if (show) {
nvkm_error(subdev, "ch %d [%08x %s] %08x %08x %08x %08x\n",
chan ? chan->fifo->chid : -1, inst << 4,
chan ? chan->object.client->name : "unknown",
stat, type, mthd, data);
}
spin_unlock_irqrestore(&mpeg->engine.lock, flags);
}
static const struct nvkm_engine_func
nv44_mpeg = {
.init = nv31_mpeg_init,
.intr = nv44_mpeg_intr,
.tile = nv31_mpeg_tile,
.fifo.cclass = nv44_mpeg_chan_new,
.sclass = {
{ -1, -1, NV31_MPEG, &nv31_mpeg_object },
{}
}
};
int
nv44_mpeg_new(struct nvkm_device *device, int index, struct nvkm_engine **pmpeg)
{
struct nv44_mpeg *mpeg;
if (!(mpeg = kzalloc(sizeof(*mpeg), GFP_KERNEL)))
return -ENOMEM;
INIT_LIST_HEAD(&mpeg->chan);
*pmpeg = &mpeg->engine;
return nvkm_engine_ctor(&nv44_mpeg, device, index, 0x00000002,
true, &mpeg->engine);
}
|
