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
|
/*
* 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
*/
#include "nv50.h"
#include <subdev/bar.h>
#include <engine/disp.h>
#include <engine/fifo.h>
#include <nvif/event.h>
#include <nvif/ioctl.h>
/*******************************************************************************
* software context
******************************************************************************/
static int
gf100_sw_chan_vblsem_release(struct nvkm_notify *notify)
{
struct nv50_sw_chan *chan =
container_of(notify, typeof(*chan), vblank.notify[notify->index]);
struct nvkm_sw *sw = chan->base.sw;
struct nvkm_device *device = sw->engine.subdev.device;
struct nvkm_bar *bar = device->bar;
u32 inst = chan->base.fifo->inst->addr >> 12;
nvkm_wr32(device, 0x001718, 0x80000000 | inst);
bar->flush(bar);
nvkm_wr32(device, 0x06000c, upper_32_bits(chan->vblank.offset));
nvkm_wr32(device, 0x060010, lower_32_bits(chan->vblank.offset));
nvkm_wr32(device, 0x060014, chan->vblank.value);
return NVKM_NOTIFY_DROP;
}
static bool
gf100_sw_chan_mthd(struct nvkm_sw_chan *base, int subc, u32 mthd, u32 data)
{
struct nv50_sw_chan *chan = nv50_sw_chan(base);
struct nvkm_engine *engine = chan->base.object.engine;
struct nvkm_device *device = engine->subdev.device;
switch (mthd) {
case 0x0400:
chan->vblank.offset &= 0x00ffffffffULL;
chan->vblank.offset |= (u64)data << 32;
return true;
case 0x0404:
chan->vblank.offset &= 0xff00000000ULL;
chan->vblank.offset |= data;
return true;
case 0x0408:
chan->vblank.value = data;
return true;
case 0x040c:
if (data < device->disp->vblank.index_nr) {
nvkm_notify_get(&chan->vblank.notify[data]);
return true;
}
break;
case 0x600: /* MP.PM_UNK000 */
nvkm_wr32(device, 0x419e00, data);
return true;
case 0x644: /* MP.TRAP_WARP_ERROR_EN */
if (!(data & ~0x001ffffe)) {
nvkm_wr32(device, 0x419e44, data);
return true;
}
break;
case 0x6ac: /* MP.PM_UNK0AC */
nvkm_wr32(device, 0x419eac, data);
return true;
default:
break;
}
return false;
}
static const struct nvkm_sw_chan_func
gf100_sw_chan = {
.dtor = nv50_sw_chan_dtor,
.mthd = gf100_sw_chan_mthd,
};
static int
gf100_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifoch,
const struct nvkm_oclass *oclass,
struct nvkm_object **pobject)
{
struct nvkm_disp *disp = sw->engine.subdev.device->disp;
struct nv50_sw_chan *chan;
int ret, i;
if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
return -ENOMEM;
*pobject = &chan->base.object;
ret = nvkm_sw_chan_ctor(&gf100_sw_chan, sw, fifoch, oclass,
&chan->base);
if (ret)
return ret;
for (i = 0; disp && i < disp->vblank.index_nr; i++) {
ret = nvkm_notify_init(NULL, &disp->vblank,
gf100_sw_chan_vblsem_release, false,
&(struct nvif_notify_head_req_v0) {
.head = i,
},
sizeof(struct nvif_notify_head_req_v0),
sizeof(struct nvif_notify_head_rep_v0),
&chan->vblank.notify[i]);
if (ret)
return ret;
}
return 0;
}
/*******************************************************************************
* software engine/subdev functions
******************************************************************************/
static const struct nvkm_sw_func
gf100_sw_func = {
.chan_new = gf100_sw_chan_new,
.sclass = {
{ nvkm_nvsw_new, { -1, -1, NVIF_IOCTL_NEW_V0_SW_GF100 } },
{}
}
};
struct nvkm_oclass *
gf100_sw_oclass = &(struct nv50_sw_oclass) {
.base.handle = NV_ENGINE(SW, 0xc0),
.base.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv50_sw_ctor,
.dtor = _nvkm_sw_dtor,
.init = _nvkm_sw_init,
.fini = _nvkm_sw_fini,
},
.func = &gf100_sw_func,
}.base;
|