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
|
/*
* 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 "gf100.h"
#include "ram.h"
#include <core/memory.h>
#include <core/option.h>
void
gf100_fb_intr(struct nvkm_fb *base)
{
struct gf100_fb *fb = gf100_fb(base);
struct nvkm_subdev *subdev = &fb->base.subdev;
struct nvkm_device *device = subdev->device;
u32 intr = nvkm_rd32(device, 0x000100);
if (intr & 0x08000000)
nvkm_debug(subdev, "PFFB intr\n");
if (intr & 0x00002000)
nvkm_debug(subdev, "PBFB intr\n");
}
int
gf100_fb_oneinit(struct nvkm_fb *base)
{
struct gf100_fb *fb = gf100_fb(base);
struct nvkm_device *device = fb->base.subdev.device;
int ret, size = 0x1000;
size = nvkm_longopt(device->cfgopt, "MmuDebugBufferSize", size);
size = min(size, 0x1000);
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, size, 0x1000,
true, &fb->base.mmu_rd);
if (ret)
return ret;
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, size, 0x1000,
true, &fb->base.mmu_wr);
if (ret)
return ret;
fb->r100c10_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
if (fb->r100c10_page) {
fb->r100c10 = dma_map_page(device->dev, fb->r100c10_page, 0,
PAGE_SIZE, DMA_BIDIRECTIONAL);
if (dma_mapping_error(device->dev, fb->r100c10))
return -EFAULT;
}
return 0;
}
int
gf100_fb_init_page(struct nvkm_fb *fb)
{
struct nvkm_device *device = fb->subdev.device;
switch (fb->page) {
case 16: nvkm_mask(device, 0x100c80, 0x00000001, 0x00000001); break;
case 17: nvkm_mask(device, 0x100c80, 0x00000001, 0x00000000); break;
default:
return -EINVAL;
}
return 0;
}
void
gf100_fb_init(struct nvkm_fb *base)
{
struct gf100_fb *fb = gf100_fb(base);
struct nvkm_device *device = fb->base.subdev.device;
if (fb->r100c10_page)
nvkm_wr32(device, 0x100c10, fb->r100c10 >> 8);
}
void *
gf100_fb_dtor(struct nvkm_fb *base)
{
struct gf100_fb *fb = gf100_fb(base);
struct nvkm_device *device = fb->base.subdev.device;
if (fb->r100c10_page) {
dma_unmap_page(device->dev, fb->r100c10, PAGE_SIZE,
DMA_BIDIRECTIONAL);
__free_page(fb->r100c10_page);
}
return fb;
}
int
gf100_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,
int index, struct nvkm_fb **pfb)
{
struct gf100_fb *fb;
if (!(fb = kzalloc(sizeof(*fb), GFP_KERNEL)))
return -ENOMEM;
nvkm_fb_ctor(func, device, index, &fb->base);
*pfb = &fb->base;
return 0;
}
static const struct nvkm_fb_func
gf100_fb = {
.dtor = gf100_fb_dtor,
.oneinit = gf100_fb_oneinit,
.init = gf100_fb_init,
.init_page = gf100_fb_init_page,
.intr = gf100_fb_intr,
.ram_new = gf100_ram_new,
.default_bigpage = 17,
};
int
gf100_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
{
return gf100_fb_new_(&gf100_fb, device, index, pfb);
}
|
