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
|
/*
* Copyright (C) 2012 Ben Skeggs.
* All Rights Reserved.
*
* 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 (including the
* next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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 <drm/drmP.h>
#include "nouveau_drv.h"
#include "nouveau_fifo.h"
#include "nouveau_util.h"
#include "nouveau_ramht.h"
static struct ramfc_desc {
unsigned bits:6;
unsigned ctxs:5;
unsigned ctxp:8;
unsigned regs:5;
unsigned regp;
} nv17_ramfc[] = {
{ 32, 0, 0x00, 0, NV04_PFIFO_CACHE1_DMA_PUT },
{ 32, 0, 0x04, 0, NV04_PFIFO_CACHE1_DMA_GET },
{ 32, 0, 0x08, 0, NV10_PFIFO_CACHE1_REF_CNT },
{ 16, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE },
{ 16, 16, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT },
{ 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_STATE },
{ 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_DMA_FETCH },
{ 32, 0, 0x18, 0, NV04_PFIFO_CACHE1_ENGINE },
{ 32, 0, 0x1c, 0, NV04_PFIFO_CACHE1_PULL1 },
{ 32, 0, 0x20, 0, NV10_PFIFO_CACHE1_ACQUIRE_VALUE },
{ 32, 0, 0x24, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP },
{ 32, 0, 0x28, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT },
{ 32, 0, 0x2c, 0, NV10_PFIFO_CACHE1_SEMAPHORE },
{ 32, 0, 0x30, 0, NV10_PFIFO_CACHE1_DMA_SUBROUTINE },
{}
};
struct nv17_fifo_priv {
struct nouveau_fifo_priv base;
struct ramfc_desc *ramfc_desc;
};
struct nv17_fifo_chan {
struct nouveau_fifo_chan base;
struct nouveau_gpuobj *ramfc;
};
static int
nv17_fifo_context_new(struct nouveau_channel *chan, int engine)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nv17_fifo_priv *priv = nv_engine(dev, engine);
struct nv17_fifo_chan *fctx;
unsigned long flags;
int ret;
fctx = chan->engctx[engine] = kzalloc(sizeof(*fctx), GFP_KERNEL);
if (!fctx)
return -ENOMEM;
/* map channel control registers */
chan->user = ioremap(pci_resource_start(dev->pdev, 0) +
NV03_USER(chan->id), PAGE_SIZE);
if (!chan->user) {
ret = -ENOMEM;
goto error;
}
/* initialise default fifo context */
ret = nouveau_gpuobj_new_fake(dev, dev_priv->ramfc->pinst +
chan->id * 64, ~0, 64,
NVOBJ_FLAG_ZERO_ALLOC |
NVOBJ_FLAG_ZERO_FREE, &fctx->ramfc);
if (ret)
goto error;
nv_wo32(fctx->ramfc, 0x00, chan->pushbuf_base);
nv_wo32(fctx->ramfc, 0x04, chan->pushbuf_base);
nv_wo32(fctx->ramfc, 0x0c, chan->pushbuf->pinst >> 4);
nv_wo32(fctx->ramfc, 0x14, NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
#ifdef __BIG_ENDIAN
NV_PFIFO_CACHE1_BIG_ENDIAN |
#endif
NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
/* enable dma mode on the channel */
spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
nv_mask(dev, NV04_PFIFO_MODE, (1 << chan->id), (1 << chan->id));
spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
error:
if (ret)
priv->base.base.context_del(chan, engine);
return ret;
}
static int
nv17_fifo_init(struct drm_device *dev, int engine)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nv17_fifo_priv *priv = nv_engine(dev, engine);
int i;
nv_mask(dev, NV03_PMC_ENABLE, NV_PMC_ENABLE_PFIFO, 0);
nv_mask(dev, NV03_PMC_ENABLE, NV_PMC_ENABLE_PFIFO, NV_PMC_ENABLE_PFIFO);
nv_wr32(dev, NV04_PFIFO_DELAY_0, 0x000000ff);
nv_wr32(dev, NV04_PFIFO_DMA_TIMESLICE, 0x0101ffff);
nv_wr32(dev, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
((dev_priv->ramht->bits - 9) << 16) |
(dev_priv->ramht->gpuobj->pinst >> 8));
nv_wr32(dev, NV03_PFIFO_RAMRO, dev_priv->ramro->pinst >> 8);
nv_wr32(dev, NV03_PFIFO_RAMFC, 0x00010000 |
dev_priv->ramfc->pinst >> 8);
nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, priv->base.channels);
nv_wr32(dev, NV03_PFIFO_INTR_0, 0xffffffff);
nv_wr32(dev, NV03_PFIFO_INTR_EN_0, 0xffffffff);
nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, 1);
nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1);
nv_wr32(dev, NV03_PFIFO_CACHES, 1);
for (i = 0; i < priv->base.channels; i++) {
if (dev_priv->channels.ptr[i])
nv_mask(dev, NV04_PFIFO_MODE, (1 << i), (1 << i));
}
return 0;
}
int
nv17_fifo_create(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nv17_fifo_priv *priv;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->base.base.destroy = nv04_fifo_destroy;
priv->base.base.init = nv17_fifo_init;
priv->base.base.fini = nv04_fifo_fini;
priv->base.base.context_new = nv17_fifo_context_new;
priv->base.base.context_del = nv04_fifo_context_del;
priv->base.channels = 31;
priv->ramfc_desc = nv17_ramfc;
dev_priv->eng[NVOBJ_ENGINE_FIFO] = &priv->base.base;
nouveau_irq_register(dev, 8, nv04_fifo_isr);
return 0;
}
|
