2 * Copyright 2012 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
26 #include <core/client.h>
27 #include <core/gpuobj.h>
28 #include <subdev/fb.h>
30 #include <nvif/class.h>
31 #include <nvif/unpack.h>
33 struct nv50_dmaobj_priv
{
34 struct nvkm_dmaobj base
;
40 nv50_dmaobj_bind(struct nvkm_dmaobj
*dmaobj
, struct nvkm_object
*parent
,
41 struct nvkm_gpuobj
**pgpuobj
)
43 struct nv50_dmaobj_priv
*priv
= (void *)dmaobj
;
46 if (!nv_iclass(parent
, NV_ENGCTX_CLASS
)) {
47 switch (nv_mclass(parent
->parent
)) {
48 case NV40_CHANNEL_DMA
:
49 case NV50_CHANNEL_GPFIFO
:
50 case G82_CHANNEL_GPFIFO
:
51 case NV50_DISP_CORE_CHANNEL_DMA
:
52 case G82_DISP_CORE_CHANNEL_DMA
:
53 case GT206_DISP_CORE_CHANNEL_DMA
:
54 case GT200_DISP_CORE_CHANNEL_DMA
:
55 case GT214_DISP_CORE_CHANNEL_DMA
:
56 case NV50_DISP_BASE_CHANNEL_DMA
:
57 case G82_DISP_BASE_CHANNEL_DMA
:
58 case GT200_DISP_BASE_CHANNEL_DMA
:
59 case GT214_DISP_BASE_CHANNEL_DMA
:
60 case NV50_DISP_OVERLAY_CHANNEL_DMA
:
61 case G82_DISP_OVERLAY_CHANNEL_DMA
:
62 case GT200_DISP_OVERLAY_CHANNEL_DMA
:
63 case GT214_DISP_OVERLAY_CHANNEL_DMA
:
70 ret
= nvkm_gpuobj_new(parent
, parent
, 24, 32, 0, pgpuobj
);
72 nv_wo32(*pgpuobj
, 0x00, priv
->flags0
| nv_mclass(dmaobj
));
73 nv_wo32(*pgpuobj
, 0x04, lower_32_bits(priv
->base
.limit
));
74 nv_wo32(*pgpuobj
, 0x08, lower_32_bits(priv
->base
.start
));
75 nv_wo32(*pgpuobj
, 0x0c, upper_32_bits(priv
->base
.limit
) << 24 |
76 upper_32_bits(priv
->base
.start
));
77 nv_wo32(*pgpuobj
, 0x10, 0x00000000);
78 nv_wo32(*pgpuobj
, 0x14, priv
->flags5
);
85 nv50_dmaobj_ctor(struct nvkm_object
*parent
, struct nvkm_object
*engine
,
86 struct nvkm_oclass
*oclass
, void *data
, u32 size
,
87 struct nvkm_object
**pobject
)
89 struct nvkm_dmaeng
*dmaeng
= (void *)engine
;
91 struct nv50_dma_v0 v0
;
93 struct nv50_dmaobj_priv
*priv
;
94 u32 user
, part
, comp
, kind
;
97 ret
= nvkm_dmaobj_create(parent
, engine
, oclass
, &data
, &size
, &priv
);
98 *pobject
= nv_object(priv
);
103 nv_ioctl(parent
, "create nv50 dma size %d\n", size
);
104 if (nvif_unpack(args
->v0
, 0, 0, false)) {
105 nv_ioctl(parent
, "create nv50 dma vers %d priv %d part %d "
106 "comp %d kind %02x\n", args
->v0
.version
,
107 args
->v0
.priv
, args
->v0
.part
, args
->v0
.comp
,
109 user
= args
->v0
.priv
;
110 part
= args
->v0
.part
;
111 comp
= args
->v0
.comp
;
112 kind
= args
->v0
.kind
;
115 if (priv
->base
.target
!= NV_MEM_TARGET_VM
) {
116 user
= NV50_DMA_V0_PRIV_US
;
117 part
= NV50_DMA_V0_PART_256
;
118 comp
= NV50_DMA_V0_COMP_NONE
;
119 kind
= NV50_DMA_V0_KIND_PITCH
;
121 user
= NV50_DMA_V0_PRIV_VM
;
122 part
= NV50_DMA_V0_PART_VM
;
123 comp
= NV50_DMA_V0_COMP_VM
;
124 kind
= NV50_DMA_V0_KIND_VM
;
129 if (user
> 2 || part
> 2 || comp
> 3 || kind
> 0x7f)
131 priv
->flags0
= (comp
<< 29) | (kind
<< 22) | (user
<< 20);
132 priv
->flags5
= (part
<< 16);
134 switch (priv
->base
.target
) {
135 case NV_MEM_TARGET_VM
:
136 priv
->flags0
|= 0x00000000;
138 case NV_MEM_TARGET_VRAM
:
139 priv
->flags0
|= 0x00010000;
141 case NV_MEM_TARGET_PCI
:
142 priv
->flags0
|= 0x00020000;
144 case NV_MEM_TARGET_PCI_NOSNOOP
:
145 priv
->flags0
|= 0x00030000;
151 switch (priv
->base
.access
) {
152 case NV_MEM_ACCESS_VM
:
154 case NV_MEM_ACCESS_RO
:
155 priv
->flags0
|= 0x00040000;
157 case NV_MEM_ACCESS_WO
:
158 case NV_MEM_ACCESS_RW
:
159 priv
->flags0
|= 0x00080000;
165 return dmaeng
->bind(&priv
->base
, nv_object(priv
), (void *)pobject
);
168 static struct nvkm_ofuncs
169 nv50_dmaobj_ofuncs
= {
170 .ctor
= nv50_dmaobj_ctor
,
171 .dtor
= _nvkm_dmaobj_dtor
,
172 .init
= _nvkm_dmaobj_init
,
173 .fini
= _nvkm_dmaobj_fini
,
176 static struct nvkm_oclass
177 nv50_dmaeng_sclass
[] = {
178 { NV_DMA_FROM_MEMORY
, &nv50_dmaobj_ofuncs
},
179 { NV_DMA_TO_MEMORY
, &nv50_dmaobj_ofuncs
},
180 { NV_DMA_IN_MEMORY
, &nv50_dmaobj_ofuncs
},
185 nv50_dmaeng_oclass
= &(struct nvkm_dmaeng_impl
) {
186 .base
.handle
= NV_ENGINE(DMAOBJ
, 0x50),
187 .base
.ofuncs
= &(struct nvkm_ofuncs
) {
188 .ctor
= _nvkm_dmaeng_ctor
,
189 .dtor
= _nvkm_dmaeng_dtor
,
190 .init
= _nvkm_dmaeng_init
,
191 .fini
= _nvkm_dmaeng_fini
,
193 .sclass
= nv50_dmaeng_sclass
,
194 .bind
= nv50_dmaobj_bind
,