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
218
219
220
221
222
223
|
/*
* Copyright 2021 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.
*/
#include "chan.h"
#include <core/oproxy.h>
#include <core/ramht.h>
#include <nvif/cl507d.h>
static int
nvkm_disp_chan_rd32(struct nvkm_object *object, u64 addr, u32 *data)
{
struct nvkm_disp_chan *chan = nvkm_disp_chan(object);
struct nvkm_device *device = chan->disp->engine.subdev.device;
u64 size, base = chan->func->user(chan, &size);
*data = nvkm_rd32(device, base + addr);
return 0;
}
static int
nvkm_disp_chan_wr32(struct nvkm_object *object, u64 addr, u32 data)
{
struct nvkm_disp_chan *chan = nvkm_disp_chan(object);
struct nvkm_device *device = chan->disp->engine.subdev.device;
u64 size, base = chan->func->user(chan, &size);
nvkm_wr32(device, base + addr, data);
return 0;
}
static int
nvkm_disp_chan_ntfy(struct nvkm_object *object, u32 type, struct nvkm_event **pevent)
{
struct nvkm_disp_chan *chan = nvkm_disp_chan(object);
struct nvkm_disp *disp = chan->disp;
switch (type) {
case NV50_DISP_CORE_CHANNEL_DMA_V0_NTFY_UEVENT:
*pevent = &disp->uevent;
return 0;
default:
break;
}
return -EINVAL;
}
static int
nvkm_disp_chan_map(struct nvkm_object *object, void *argv, u32 argc,
enum nvkm_object_map *type, u64 *addr, u64 *size)
{
struct nvkm_disp_chan *chan = nvkm_disp_chan(object);
struct nvkm_device *device = chan->disp->engine.subdev.device;
const u64 base = device->func->resource_addr(device, 0);
*type = NVKM_OBJECT_MAP_IO;
*addr = base + chan->func->user(chan, size);
return 0;
}
struct nvkm_disp_chan_object {
struct nvkm_oproxy oproxy;
struct nvkm_disp *disp;
int hash;
};
static void
nvkm_disp_chan_child_del_(struct nvkm_oproxy *base)
{
struct nvkm_disp_chan_object *object = container_of(base, typeof(*object), oproxy);
nvkm_ramht_remove(object->disp->ramht, object->hash);
}
static const struct nvkm_oproxy_func
nvkm_disp_chan_child_func_ = {
.dtor[0] = nvkm_disp_chan_child_del_,
};
static int
nvkm_disp_chan_child_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
struct nvkm_object **pobject)
{
struct nvkm_disp_chan *chan = nvkm_disp_chan(oclass->parent);
struct nvkm_disp *disp = chan->disp;
struct nvkm_device *device = disp->engine.subdev.device;
const struct nvkm_device_oclass *sclass = oclass->priv;
struct nvkm_disp_chan_object *object;
int ret;
if (!(object = kzalloc(sizeof(*object), GFP_KERNEL)))
return -ENOMEM;
nvkm_oproxy_ctor(&nvkm_disp_chan_child_func_, oclass, &object->oproxy);
object->disp = disp;
*pobject = &object->oproxy.base;
ret = sclass->ctor(device, oclass, argv, argc, &object->oproxy.object);
if (ret)
return ret;
object->hash = chan->func->bind(chan, object->oproxy.object, oclass->handle);
if (object->hash < 0)
return object->hash;
return 0;
}
static int
nvkm_disp_chan_child_get(struct nvkm_object *object, int index, struct nvkm_oclass *sclass)
{
struct nvkm_disp_chan *chan = nvkm_disp_chan(object);
struct nvkm_device *device = chan->disp->engine.subdev.device;
const struct nvkm_device_oclass *oclass = NULL;
if (chan->func->bind)
sclass->engine = nvkm_device_engine(device, NVKM_ENGINE_DMAOBJ, 0);
else
sclass->engine = NULL;
if (sclass->engine && sclass->engine->func->base.sclass) {
sclass->engine->func->base.sclass(sclass, index, &oclass);
if (oclass) {
sclass->ctor = nvkm_disp_chan_child_new;
sclass->priv = oclass;
return 0;
}
}
return -EINVAL;
}
static int
nvkm_disp_chan_fini(struct nvkm_object *object, bool suspend)
{
struct nvkm_disp_chan *chan = nvkm_disp_chan(object);
chan->func->fini(chan);
chan->func->intr(chan, false);
return 0;
}
static int
nvkm_disp_chan_init(struct nvkm_object *object)
{
struct nvkm_disp_chan *chan = nvkm_disp_chan(object);
chan->func->intr(chan, true);
return chan->func->init(chan);
}
static void *
nvkm_disp_chan_dtor(struct nvkm_object *object)
{
struct nvkm_disp_chan *chan = nvkm_disp_chan(object);
struct nvkm_disp *disp = chan->disp;
if (chan->chid.user >= 0)
disp->chan[chan->chid.user] = NULL;
nvkm_memory_unref(&chan->memory);
return chan;
}
static const struct nvkm_object_func
nvkm_disp_chan = {
.dtor = nvkm_disp_chan_dtor,
.init = nvkm_disp_chan_init,
.fini = nvkm_disp_chan_fini,
.rd32 = nvkm_disp_chan_rd32,
.wr32 = nvkm_disp_chan_wr32,
.ntfy = nvkm_disp_chan_ntfy,
.map = nvkm_disp_chan_map,
.sclass = nvkm_disp_chan_child_get,
};
int
nvkm_disp_chan_new_(const struct nvkm_disp_chan_func *func,
const struct nvkm_disp_chan_mthd *mthd,
struct nvkm_disp *disp, int ctrl, int user, int head,
const struct nvkm_oclass *oclass,
struct nvkm_object **pobject)
{
struct nvkm_disp_chan *chan;
if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
return -ENOMEM;
*pobject = &chan->object;
nvkm_object_ctor(&nvkm_disp_chan, oclass, &chan->object);
chan->func = func;
chan->mthd = mthd;
chan->disp = disp;
chan->chid.ctrl = ctrl;
chan->chid.user = user;
chan->head = head;
if (disp->chan[chan->chid.user]) {
chan->chid.user = -1;
return -EBUSY;
}
disp->chan[chan->chid.user] = chan;
return 0;
}
|
