Commit | Line | Data |
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4b223eef | 1 | /* |
861d2107 | 2 | * Copyright 2012 Red Hat Inc. |
4b223eef BS |
3 | * |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | * Authors: Ben Skeggs | |
23 | */ | |
24 | ||
aae95ca7 | 25 | #include "nvc0.h" |
310ff414 | 26 | |
e30441ad CB |
27 | extern const u8 nvc0_pte_storage_type_map[256]; |
28 | ||
aae95ca7 | 29 | bool |
861d2107 | 30 | nvc0_fb_memtype_valid(struct nouveau_fb *pfb, u32 tile_flags) |
a1484512 | 31 | { |
861d2107 | 32 | u8 memtype = (tile_flags & 0x0000ff00) >> 8; |
e30441ad | 33 | return likely((nvc0_pte_storage_type_map[memtype] != 0xff)); |
861d2107 | 34 | } |
a1484512 | 35 | |
c814a60d BS |
36 | static void |
37 | nvc0_fb_intr(struct nouveau_subdev *subdev) | |
38 | { | |
39 | struct nvc0_fb_priv *priv = (void *)subdev; | |
40 | u32 intr = nv_rd32(priv, 0x000100); | |
41 | if (intr & 0x08000000) { | |
42 | nv_debug(priv, "PFFB intr\n"); | |
43 | intr &= ~0x08000000; | |
44 | } | |
45 | if (intr & 0x00002000) { | |
46 | nv_debug(priv, "PBFB intr\n"); | |
47 | intr &= ~0x00002000; | |
48 | } | |
49 | } | |
50 | ||
aae95ca7 | 51 | int |
861d2107 | 52 | nvc0_fb_init(struct nouveau_object *object) |
a1484512 | 53 | { |
861d2107 BS |
54 | struct nvc0_fb_priv *priv = (void *)object; |
55 | int ret; | |
56 | ||
57 | ret = nouveau_fb_init(&priv->base); | |
58 | if (ret) | |
59 | return ret; | |
ffc6a4e4 | 60 | |
fffeba2a BS |
61 | if (priv->r100c10_page) |
62 | nv_wr32(priv, 0x100c10, priv->r100c10 >> 8); | |
fe3d9c4b | 63 | nv_mask(priv, 0x100c80, 0x00000001, 0x00000000); /* 128KiB lpg */ |
861d2107 | 64 | return 0; |
a1484512 BS |
65 | } |
66 | ||
aae95ca7 | 67 | void |
861d2107 | 68 | nvc0_fb_dtor(struct nouveau_object *object) |
310ff414 | 69 | { |
861d2107 BS |
70 | struct nouveau_device *device = nv_device(object); |
71 | struct nvc0_fb_priv *priv = (void *)object; | |
a1484512 | 72 | |
310ff414 | 73 | if (priv->r100c10_page) { |
fd1496a0 AC |
74 | dma_unmap_page(nv_device_base(device), priv->r100c10, PAGE_SIZE, |
75 | DMA_BIDIRECTIONAL); | |
310ff414 BS |
76 | __free_page(priv->r100c10_page); |
77 | } | |
78 | ||
861d2107 | 79 | nouveau_fb_destroy(&priv->base); |
310ff414 BS |
80 | } |
81 | ||
aae95ca7 | 82 | int |
861d2107 BS |
83 | nvc0_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
84 | struct nouveau_oclass *oclass, void *data, u32 size, | |
85 | struct nouveau_object **pobject) | |
4b223eef | 86 | { |
861d2107 | 87 | struct nouveau_device *device = nv_device(parent); |
310ff414 BS |
88 | struct nvc0_fb_priv *priv; |
89 | int ret; | |
90 | ||
8613e731 | 91 | ret = nouveau_fb_create(parent, engine, oclass, &priv); |
861d2107 BS |
92 | *pobject = nv_object(priv); |
93 | if (ret) | |
94 | return ret; | |
310ff414 | 95 | |
861d2107 | 96 | priv->r100c10_page = alloc_page(GFP_KERNEL | __GFP_ZERO); |
fffeba2a | 97 | if (priv->r100c10_page) { |
fd1496a0 AC |
98 | priv->r100c10 = dma_map_page(nv_device_base(device), |
99 | priv->r100c10_page, 0, PAGE_SIZE, | |
100 | DMA_BIDIRECTIONAL); | |
838f6fe7 | 101 | if (dma_mapping_error(nv_device_base(device), priv->r100c10)) |
fffeba2a BS |
102 | return -EFAULT; |
103 | } | |
861d2107 | 104 | |
c814a60d | 105 | nv_subdev(priv)->intr = nvc0_fb_intr; |
dceef5d8 | 106 | return 0; |
4b223eef | 107 | } |
861d2107 | 108 | |
1e9fc30e | 109 | struct nouveau_oclass * |
8613e731 BS |
110 | nvc0_fb_oclass = &(struct nouveau_fb_impl) { |
111 | .base.handle = NV_SUBDEV(FB, 0xc0), | |
112 | .base.ofuncs = &(struct nouveau_ofuncs) { | |
861d2107 BS |
113 | .ctor = nvc0_fb_ctor, |
114 | .dtor = nvc0_fb_dtor, | |
115 | .init = nvc0_fb_init, | |
116 | .fini = _nouveau_fb_fini, | |
117 | }, | |
20cdeaf9 | 118 | .memtype = nvc0_fb_memtype_valid, |
8613e731 BS |
119 | .ram = &nvc0_ram_oclass, |
120 | }.base; |