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
25 #include <core/os.h>
26 #include <core/class.h>
27 #include <core/engctx.h>
28 #include <core/namedb.h>
29 #include <core/handle.h>
30 #include <core/gpuobj.h>
31 #include <core/event.h>
32
33 #include <subdev/bar.h>
34
35 #include <engine/software.h>
36 #include <engine/disp.h>
37
38 struct nv50_software_priv {
39 struct nouveau_software base;
40 };
41
42 struct nv50_software_chan {
43 struct nouveau_software_chan base;
44 };
45
46 /*******************************************************************************
47 * software object classes
48 ******************************************************************************/
49
50 static int
nv50_software_mthd_dma_vblsem(struct nouveau_object * object,u32 mthd,void * args,u32 size)51 nv50_software_mthd_dma_vblsem(struct nouveau_object *object, u32 mthd,
52 void *args, u32 size)
53 {
54 struct nv50_software_chan *chan = (void *)nv_engctx(object->parent);
55 struct nouveau_fifo_chan *fifo = (void *)nv_object(chan)->parent;
56 struct nouveau_handle *handle;
57 int ret = -EINVAL;
58
59 handle = nouveau_namedb_get(nv_namedb(fifo), *(u32 *)args);
60 if (!handle)
61 return -ENOENT;
62
63 if (nv_iclass(handle->object, NV_GPUOBJ_CLASS)) {
64 struct nouveau_gpuobj *gpuobj = nv_gpuobj(handle->object);
65 chan->base.vblank.ctxdma = gpuobj->node->offset >> 4;
66 ret = 0;
67 }
68 nouveau_namedb_put(handle);
69 return ret;
70 }
71
72 static int
nv50_software_mthd_vblsem_offset(struct nouveau_object * object,u32 mthd,void * args,u32 size)73 nv50_software_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd,
74 void *args, u32 size)
75 {
76 struct nv50_software_chan *chan = (void *)nv_engctx(object->parent);
77 chan->base.vblank.offset = *(u32 *)args;
78 return 0;
79 }
80
81 static int
nv50_software_mthd_vblsem_value(struct nouveau_object * object,u32 mthd,void * args,u32 size)82 nv50_software_mthd_vblsem_value(struct nouveau_object *object, u32 mthd,
83 void *args, u32 size)
84 {
85 struct nv50_software_chan *chan = (void *)nv_engctx(object->parent);
86 chan->base.vblank.value = *(u32 *)args;
87 return 0;
88 }
89
90 static int
nv50_software_mthd_vblsem_release(struct nouveau_object * object,u32 mthd,void * args,u32 size)91 nv50_software_mthd_vblsem_release(struct nouveau_object *object, u32 mthd,
92 void *args, u32 size)
93 {
94 struct nv50_software_chan *chan = (void *)nv_engctx(object->parent);
95 struct nouveau_disp *disp = nouveau_disp(object);
96 u32 crtc = *(u32 *)args;
97 if (crtc > 1)
98 return -EINVAL;
99
100 nouveau_event_get(disp->vblank, crtc, &chan->base.vblank.event);
101 return 0;
102 }
103
104 static int
nv50_software_mthd_flip(struct nouveau_object * object,u32 mthd,void * args,u32 size)105 nv50_software_mthd_flip(struct nouveau_object *object, u32 mthd,
106 void *args, u32 size)
107 {
108 struct nv50_software_chan *chan = (void *)nv_engctx(object->parent);
109 if (chan->base.flip)
110 return chan->base.flip(chan->base.flip_data);
111 return -EINVAL;
112 }
113
114 static struct nouveau_omthds
115 nv50_software_omthds[] = {
116 { 0x018c, 0x018c, nv50_software_mthd_dma_vblsem },
117 { 0x0400, 0x0400, nv50_software_mthd_vblsem_offset },
118 { 0x0404, 0x0404, nv50_software_mthd_vblsem_value },
119 { 0x0408, 0x0408, nv50_software_mthd_vblsem_release },
120 { 0x0500, 0x0500, nv50_software_mthd_flip },
121 {}
122 };
123
124 static struct nouveau_oclass
125 nv50_software_sclass[] = {
126 { 0x506e, &nouveau_object_ofuncs, nv50_software_omthds },
127 {}
128 };
129
130 /*******************************************************************************
131 * software context
132 ******************************************************************************/
133
134 static int
nv50_software_vblsem_release(struct nouveau_eventh * event,int head)135 nv50_software_vblsem_release(struct nouveau_eventh *event, int head)
136 {
137 struct nouveau_software_chan *chan =
138 container_of(event, struct nouveau_software_chan, vblank.event);
139 struct nv50_software_priv *priv = (void *)nv_object(chan)->engine;
140 struct nouveau_bar *bar = nouveau_bar(priv);
141
142 nv_wr32(priv, 0x001704, chan->vblank.channel);
143 nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma);
144 bar->flush(bar);
145
146 if (nv_device(priv)->chipset == 0x50) {
147 nv_wr32(priv, 0x001570, chan->vblank.offset);
148 nv_wr32(priv, 0x001574, chan->vblank.value);
149 } else {
150 nv_wr32(priv, 0x060010, chan->vblank.offset);
151 nv_wr32(priv, 0x060014, chan->vblank.value);
152 }
153
154 return NVKM_EVENT_DROP;
155 }
156
157 static int
nv50_software_context_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)158 nv50_software_context_ctor(struct nouveau_object *parent,
159 struct nouveau_object *engine,
160 struct nouveau_oclass *oclass, void *data, u32 size,
161 struct nouveau_object **pobject)
162 {
163 struct nv50_software_chan *chan;
164 int ret;
165
166 ret = nouveau_software_context_create(parent, engine, oclass, &chan);
167 *pobject = nv_object(chan);
168 if (ret)
169 return ret;
170
171 chan->base.vblank.channel = nv_gpuobj(parent->parent)->addr >> 12;
172 chan->base.vblank.event.func = nv50_software_vblsem_release;
173 return 0;
174 }
175
176 static struct nouveau_oclass
177 nv50_software_cclass = {
178 .handle = NV_ENGCTX(SW, 0x50),
179 .ofuncs = &(struct nouveau_ofuncs) {
180 .ctor = nv50_software_context_ctor,
181 .dtor = _nouveau_software_context_dtor,
182 .init = _nouveau_software_context_init,
183 .fini = _nouveau_software_context_fini,
184 },
185 };
186
187 /*******************************************************************************
188 * software engine/subdev functions
189 ******************************************************************************/
190
191 static int
nv50_software_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)192 nv50_software_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
193 struct nouveau_oclass *oclass, void *data, u32 size,
194 struct nouveau_object **pobject)
195 {
196 struct nv50_software_priv *priv;
197 int ret;
198
199 ret = nouveau_software_create(parent, engine, oclass, &priv);
200 *pobject = nv_object(priv);
201 if (ret)
202 return ret;
203
204 nv_engine(priv)->cclass = &nv50_software_cclass;
205 nv_engine(priv)->sclass = nv50_software_sclass;
206 nv_subdev(priv)->intr = nv04_software_intr;
207 return 0;
208 }
209
210 struct nouveau_oclass
211 nv50_software_oclass = {
212 .handle = NV_ENGINE(SW, 0x50),
213 .ofuncs = &(struct nouveau_ofuncs) {
214 .ctor = nv50_software_ctor,
215 .dtor = _nouveau_software_dtor,
216 .init = _nouveau_software_init,
217 .fini = _nouveau_software_fini,
218 },
219 };
220