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.
25 #include <core/gpuobj.h>
26 #include <core/class.h>
28 #include <subdev/fb.h>
29 #include <subdev/vm/nv04.h>
31 #include <engine/dmaobj.h>
33 struct nv04_dmaeng_priv {
34 struct nouveau_dmaeng base;
37 struct nv04_dmaobj_priv {
38 struct nouveau_dmaobj base;
42 nv04_dmaobj_bind(struct nouveau_dmaeng *dmaeng,
43 struct nouveau_object *parent,
44 struct nouveau_dmaobj *dmaobj,
45 struct nouveau_gpuobj **pgpuobj)
47 struct nv04_vmmgr_priv *vmm = nv04_vmmgr(dmaeng);
48 struct nouveau_gpuobj *gpuobj;
49 u32 flags0 = nv_mclass(dmaobj);
50 u32 flags2 = 0x00000000;
51 u64 offset = dmaobj->start & 0xfffff000;
52 u64 adjust = dmaobj->start & 0x00000fff;
53 u32 length = dmaobj->limit - dmaobj->start;
56 if (dmaobj->target == NV_MEM_TARGET_VM) {
57 if (nv_object(vmm)->oclass == &nv04_vmmgr_oclass) {
58 struct nouveau_gpuobj *pgt = vmm->vm->pgt[0].obj[0];
60 return nouveau_gpuobj_dup(parent, pgt, pgpuobj);
61 offset = nv_ro32(pgt, 8 + (offset >> 10));
65 dmaobj->target = NV_MEM_TARGET_PCI;
66 dmaobj->access = NV_MEM_ACCESS_RW;
69 switch (dmaobj->target) {
70 case NV_MEM_TARGET_VRAM:
73 case NV_MEM_TARGET_PCI:
76 case NV_MEM_TARGET_PCI_NOSNOOP:
83 switch (dmaobj->access) {
84 case NV_MEM_ACCESS_RO:
87 case NV_MEM_ACCESS_WO:
89 case NV_MEM_ACCESS_RW:
96 ret = nouveau_gpuobj_new(parent, parent, 16, 16, 0, &gpuobj);
99 nv_wo32(*pgpuobj, 0x00, flags0 | (adjust << 20));
100 nv_wo32(*pgpuobj, 0x04, length);
101 nv_wo32(*pgpuobj, 0x08, flags2 | offset);
102 nv_wo32(*pgpuobj, 0x0c, flags2 | offset);
109 nv04_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
110 struct nouveau_oclass *oclass, void *data, u32 size,
111 struct nouveau_object **pobject)
113 struct nouveau_dmaeng *dmaeng = (void *)engine;
114 struct nv04_dmaobj_priv *dmaobj;
115 struct nouveau_gpuobj *gpuobj;
118 ret = nouveau_dmaobj_create(parent, engine, oclass,
119 data, size, &dmaobj);
120 *pobject = nv_object(dmaobj);
124 switch (nv_mclass(parent)) {
125 case NV_DEVICE_CLASS:
127 case NV03_CHANNEL_DMA_CLASS:
128 case NV10_CHANNEL_DMA_CLASS:
129 case NV17_CHANNEL_DMA_CLASS:
130 case NV40_CHANNEL_DMA_CLASS:
131 ret = dmaeng->bind(dmaeng, *pobject, &dmaobj->base, &gpuobj);
132 nouveau_object_ref(NULL, pobject);
133 *pobject = nv_object(gpuobj);
142 static struct nouveau_ofuncs
143 nv04_dmaobj_ofuncs = {
144 .ctor = nv04_dmaobj_ctor,
145 .dtor = _nouveau_dmaobj_dtor,
146 .init = _nouveau_dmaobj_init,
147 .fini = _nouveau_dmaobj_fini,
150 static struct nouveau_oclass
151 nv04_dmaobj_sclass[] = {
152 { 0x0002, &nv04_dmaobj_ofuncs },
153 { 0x0003, &nv04_dmaobj_ofuncs },
154 { 0x003d, &nv04_dmaobj_ofuncs },
159 nv04_dmaeng_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
160 struct nouveau_oclass *oclass, void *data, u32 size,
161 struct nouveau_object **pobject)
163 struct nv04_dmaeng_priv *priv;
166 ret = nouveau_dmaeng_create(parent, engine, oclass, &priv);
167 *pobject = nv_object(priv);
171 priv->base.base.sclass = nv04_dmaobj_sclass;
172 priv->base.bind = nv04_dmaobj_bind;
176 struct nouveau_oclass
177 nv04_dmaeng_oclass = {
178 .handle = NV_ENGINE(DMAOBJ, 0x04),
179 .ofuncs = &(struct nouveau_ofuncs) {
180 .ctor = nv04_dmaeng_ctor,
181 .dtor = _nouveau_dmaeng_dtor,
182 .init = _nouveau_dmaeng_init,
183 .fini = _nouveau_dmaeng_fini,