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
|
/*
* Copyright 2007 Nouveau Project
*
* 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 AUTHORS 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.
*/
#ifndef __NOUVEAU_PUSHBUF_H__
#define __NOUVEAU_PUSHBUF_H__
#include <assert.h>
#include <string.h>
#include "nouveau_bo.h"
#include "nouveau_grobj.h"
struct nouveau_pushbuf {
struct nouveau_channel *channel;
unsigned remaining;
uint32_t *cur;
};
int
nouveau_pushbuf_flush(struct nouveau_channel *, unsigned min);
int
nouveau_pushbuf_marker_emit(struct nouveau_channel *chan,
unsigned wait_dwords, unsigned wait_relocs);
void
nouveau_pushbuf_marker_undo(struct nouveau_channel *chan);
int
nouveau_pushbuf_emit_reloc(struct nouveau_channel *, void *ptr,
struct nouveau_bo *, uint32_t data, uint32_t data2,
uint32_t flags, uint32_t vor, uint32_t tor);
/* Push buffer access macros */
static __inline__ int
MARK_RING(struct nouveau_channel *chan, unsigned dwords, unsigned relocs)
{
return nouveau_pushbuf_marker_emit(chan, dwords, relocs);
}
static __inline__ void
MARK_UNDO(struct nouveau_channel *chan)
{
nouveau_pushbuf_marker_undo(chan);
}
static __inline__ void
OUT_RING(struct nouveau_channel *chan, unsigned data)
{
*(chan->pushbuf->cur++) = (data);
}
static __inline__ void
OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned size)
{
memcpy(chan->pushbuf->cur, data, size * 4);
chan->pushbuf->cur += size;
}
static __inline__ void
OUT_RINGf(struct nouveau_channel *chan, float f)
{
union { uint32_t i; float f; } c;
c.f = f;
OUT_RING(chan, c.i);
}
static __inline__ unsigned
AVAIL_RING(struct nouveau_channel *chan)
{
return chan->pushbuf->remaining;
}
static __inline__ void
WAIT_RING(struct nouveau_channel *chan, unsigned size)
{
if (chan->pushbuf->remaining < size)
nouveau_pushbuf_flush(chan, size);
}
static __inline__ void
BEGIN_RING(struct nouveau_channel *chan, struct nouveau_grobj *gr,
unsigned mthd, unsigned size)
{
if (gr->bound == NOUVEAU_GROBJ_UNBOUND)
nouveau_grobj_autobind(gr);
chan->subc[gr->subc].sequence = chan->subc_sequence++;
WAIT_RING(chan, size + 1);
OUT_RING(chan, (gr->subc << 13) | (size << 18) | mthd);
chan->pushbuf->remaining -= (size + 1);
}
static __inline__ void
FIRE_RING(struct nouveau_channel *chan)
{
nouveau_pushbuf_flush(chan, 0);
}
static __inline__ void
BIND_RING(struct nouveau_channel *chan, struct nouveau_grobj *gr, unsigned sc)
{
struct nouveau_subchannel *subc = &gr->channel->subc[sc];
if (subc->gr) {
if (subc->gr->bound == NOUVEAU_GROBJ_BOUND_EXPLICIT)
assert(0);
subc->gr->bound = NOUVEAU_GROBJ_UNBOUND;
}
subc->gr = gr;
subc->gr->subc = sc;
subc->gr->bound = NOUVEAU_GROBJ_BOUND_EXPLICIT;
BEGIN_RING(chan, gr, 0x0000, 1);
OUT_RING (chan, gr->handle);
}
static __inline__ int
OUT_RELOC(struct nouveau_channel *chan, struct nouveau_bo *bo,
unsigned data, unsigned flags, unsigned vor, unsigned tor)
{
return nouveau_pushbuf_emit_reloc(chan, chan->pushbuf->cur++, bo,
data, 0, flags, vor, tor);
}
static __inline__ int
OUT_RELOC2(struct nouveau_channel *chan, struct nouveau_bo *bo,
unsigned data, unsigned data2, unsigned flags,
unsigned vor, unsigned tor)
{
return nouveau_pushbuf_emit_reloc(chan, chan->pushbuf->cur++, bo,
data, data2, flags, vor, tor);
}
/* Raw data + flags depending on FB/TT buffer */
static __inline__ int
OUT_RELOCd(struct nouveau_channel *chan, struct nouveau_bo *bo,
unsigned data, unsigned flags, unsigned vor, unsigned tor)
{
return OUT_RELOC(chan, bo, data, flags | NOUVEAU_BO_OR, vor, tor);
}
/* FB/TT object handle */
static __inline__ int
OUT_RELOCo(struct nouveau_channel *chan, struct nouveau_bo *bo,
unsigned flags)
{
return OUT_RELOC(chan, bo, 0, flags | NOUVEAU_BO_OR,
chan->vram->handle, chan->gart->handle);
}
/* Low 32-bits of offset */
static __inline__ int
OUT_RELOCl(struct nouveau_channel *chan, struct nouveau_bo *bo,
unsigned delta, unsigned flags)
{
return OUT_RELOC(chan, bo, delta, flags | NOUVEAU_BO_LOW, 0, 0);
}
/* Low 32-bits of offset + GPU linear access range info */
static __inline__ int
OUT_RELOCr(struct nouveau_channel *chan, struct nouveau_bo *bo,
unsigned delta, unsigned size, unsigned flags)
{
return OUT_RELOC2(chan, bo, delta, size, flags | NOUVEAU_BO_LOW, 0, 0);
}
/* High 32-bits of offset */
static __inline__ int
OUT_RELOCh(struct nouveau_channel *chan, struct nouveau_bo *bo,
unsigned delta, unsigned flags)
{
return OUT_RELOC(chan, bo, delta, flags | NOUVEAU_BO_HIGH, 0, 0);
}
#endif
|
