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1 | /* |
2 | * Copyright 2012 Red Hat Inc. | |
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 | ||
4acfd707 | 25 | #include <core/client.h> |
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26 | #include <core/device.h> |
27 | #include <core/gpuobj.h> | |
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28 | #include <nvif/unpack.h> |
29 | #include <nvif/class.h> | |
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30 | |
31 | #include <subdev/fb.h> | |
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32 | |
33 | #include "priv.h" | |
344e107d | 34 | |
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35 | struct nvd0_dmaobj_priv { |
36 | struct nouveau_dmaobj base; | |
37 | u32 flags0; | |
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38 | }; |
39 | ||
40 | static int | |
b2c81703 | 41 | nvd0_dmaobj_bind(struct nouveau_dmaobj *dmaobj, |
344e107d | 42 | struct nouveau_object *parent, |
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43 | struct nouveau_gpuobj **pgpuobj) |
44 | { | |
b2c81703 | 45 | struct nvd0_dmaobj_priv *priv = (void *)dmaobj; |
47a1e0fe | 46 | int ret; |
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47 | |
48 | if (!nv_iclass(parent, NV_ENGCTX_CLASS)) { | |
49 | switch (nv_mclass(parent->parent)) { | |
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50 | case GF110_DISP_CORE_CHANNEL_DMA: |
51 | case GK104_DISP_CORE_CHANNEL_DMA: | |
52 | case GK110_DISP_CORE_CHANNEL_DMA: | |
53 | case GM107_DISP_CORE_CHANNEL_DMA: | |
1f89b475 | 54 | case GM204_DISP_CORE_CHANNEL_DMA: |
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55 | case GF110_DISP_BASE_CHANNEL_DMA: |
56 | case GK104_DISP_BASE_CHANNEL_DMA: | |
57 | case GK110_DISP_BASE_CHANNEL_DMA: | |
58 | case GF110_DISP_OVERLAY_CONTROL_DMA: | |
59 | case GK104_DISP_OVERLAY_CONTROL_DMA: | |
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60 | break; |
61 | default: | |
62 | return -EINVAL; | |
63 | } | |
64 | } else | |
65 | return 0; | |
66 | ||
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67 | ret = nouveau_gpuobj_new(parent, parent, 24, 32, 0, pgpuobj); |
68 | if (ret == 0) { | |
69 | nv_wo32(*pgpuobj, 0x00, priv->flags0); | |
70 | nv_wo32(*pgpuobj, 0x04, priv->base.start >> 8); | |
71 | nv_wo32(*pgpuobj, 0x08, priv->base.limit >> 8); | |
72 | nv_wo32(*pgpuobj, 0x0c, 0x00000000); | |
73 | nv_wo32(*pgpuobj, 0x10, 0x00000000); | |
74 | nv_wo32(*pgpuobj, 0x14, 0x00000000); | |
75 | } | |
76 | ||
77 | return ret; | |
78 | } | |
79 | ||
80 | static int | |
81 | nvd0_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, | |
82 | struct nouveau_oclass *oclass, void *data, u32 size, | |
83 | struct nouveau_object **pobject) | |
84 | { | |
85 | struct nouveau_dmaeng *dmaeng = (void *)engine; | |
b2c81703 | 86 | union { |
4acfd707 | 87 | struct gf110_dma_v0 v0; |
b2c81703 | 88 | } *args; |
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89 | struct nvd0_dmaobj_priv *priv; |
90 | u32 kind, page; | |
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91 | int ret; |
92 | ||
93 | ret = nvkm_dmaobj_create(parent, engine, oclass, &data, &size, &priv); | |
94 | *pobject = nv_object(priv); | |
95 | if (ret) | |
96 | return ret; | |
97 | args = data; | |
98 | ||
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99 | nv_ioctl(parent, "create gf110 dma size %d\n", size); |
100 | if (nvif_unpack(args->v0, 0, 0, false)) { | |
101 | nv_ioctl(parent, "create gf100 dma vers %d page %d kind %02x\n", | |
102 | args->v0.version, args->v0.page, args->v0.kind); | |
103 | kind = args->v0.kind; | |
104 | page = args->v0.page; | |
105 | } else | |
106 | if (size == 0) { | |
107 | if (priv->base.target != NV_MEM_TARGET_VM) { | |
108 | kind = GF110_DMA_V0_KIND_PITCH; | |
109 | page = GF110_DMA_V0_PAGE_SP; | |
47a1e0fe | 110 | } else { |
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111 | kind = GF110_DMA_V0_KIND_VM; |
112 | page = GF110_DMA_V0_PAGE_LP; | |
47a1e0fe | 113 | } |
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114 | } else |
115 | return ret; | |
47a1e0fe | 116 | |
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117 | if (page > 1) |
118 | return -EINVAL; | |
119 | priv->flags0 = (kind << 20) | (page << 6); | |
47a1e0fe | 120 | |
b2c81703 | 121 | switch (priv->base.target) { |
47a1e0fe | 122 | case NV_MEM_TARGET_VRAM: |
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123 | priv->flags0 |= 0x00000009; |
124 | break; | |
125 | case NV_MEM_TARGET_VM: | |
126 | case NV_MEM_TARGET_PCI: | |
127 | case NV_MEM_TARGET_PCI_NOSNOOP: | |
128 | /* XXX: don't currently know how to construct a real one | |
129 | * of these. we only use them to represent pushbufs | |
130 | * on these chipsets, and the classes that use them | |
131 | * deal with the target themselves. | |
132 | */ | |
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133 | break; |
134 | default: | |
135 | return -EINVAL; | |
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136 | } |
137 | ||
b2c81703 | 138 | return dmaeng->bind(&priv->base, nv_object(priv), (void *)pobject); |
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139 | } |
140 | ||
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141 | static struct nouveau_ofuncs |
142 | nvd0_dmaobj_ofuncs = { | |
143 | .ctor = nvd0_dmaobj_ctor, | |
144 | .dtor = _nvkm_dmaobj_dtor, | |
145 | .init = _nvkm_dmaobj_init, | |
146 | .fini = _nvkm_dmaobj_fini, | |
147 | }; | |
148 | ||
149 | static struct nouveau_oclass | |
150 | nvd0_dmaeng_sclass[] = { | |
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151 | { NV_DMA_FROM_MEMORY, &nvd0_dmaobj_ofuncs }, |
152 | { NV_DMA_TO_MEMORY, &nvd0_dmaobj_ofuncs }, | |
153 | { NV_DMA_IN_MEMORY, &nvd0_dmaobj_ofuncs }, | |
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154 | {} |
155 | }; | |
156 | ||
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157 | struct nouveau_oclass * |
158 | nvd0_dmaeng_oclass = &(struct nvkm_dmaeng_impl) { | |
159 | .base.handle = NV_ENGINE(DMAOBJ, 0xd0), | |
160 | .base.ofuncs = &(struct nouveau_ofuncs) { | |
161 | .ctor = _nvkm_dmaeng_ctor, | |
162 | .dtor = _nvkm_dmaeng_dtor, | |
163 | .init = _nvkm_dmaeng_init, | |
164 | .fini = _nvkm_dmaeng_fini, | |
344e107d | 165 | }, |
b2c81703 | 166 | .sclass = nvd0_dmaeng_sclass, |
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167 | .bind = nvd0_dmaobj_bind, |
168 | }.base; |