1 | /* $NetBSD: nouveau_engine_software_nv50.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $ */ |
2 | |
3 | /* |
4 | * Copyright 2012 Red Hat Inc. |
5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining a |
7 | * copy of this software and associated documentation files (the "Software"), |
8 | * to deal in the Software without restriction, including without limitation |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
10 | * and/or sell copies of the Software, and to permit persons to whom the |
11 | * Software is furnished to do so, subject to the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice shall be included in |
14 | * all copies or substantial portions of the Software. |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
22 | * OTHER DEALINGS IN THE SOFTWARE. |
23 | * |
24 | * Authors: Ben Skeggs |
25 | */ |
26 | |
27 | #include <sys/cdefs.h> |
28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_engine_software_nv50.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $" ); |
29 | |
30 | #include <core/os.h> |
31 | #include <core/class.h> |
32 | #include <core/engctx.h> |
33 | #include <core/namedb.h> |
34 | #include <core/handle.h> |
35 | #include <core/gpuobj.h> |
36 | #include <core/event.h> |
37 | |
38 | #include <subdev/bar.h> |
39 | |
40 | #include <engine/disp.h> |
41 | |
42 | #include "nv50.h" |
43 | |
44 | /******************************************************************************* |
45 | * software object classes |
46 | ******************************************************************************/ |
47 | |
48 | static int |
49 | nv50_software_mthd_dma_vblsem(struct nouveau_object *object, u32 mthd, |
50 | void *args, u32 size) |
51 | { |
52 | struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
53 | struct nouveau_fifo_chan *fifo = (void *)nv_object(chan)->parent; |
54 | struct nouveau_handle *handle; |
55 | int ret = -EINVAL; |
56 | |
57 | handle = nouveau_namedb_get(nv_namedb(fifo), *(u32 *)args); |
58 | if (!handle) |
59 | return -ENOENT; |
60 | |
61 | if (nv_iclass(handle->object, NV_GPUOBJ_CLASS)) { |
62 | struct nouveau_gpuobj *gpuobj = nv_gpuobj(handle->object); |
63 | chan->vblank.ctxdma = gpuobj->node->offset >> 4; |
64 | ret = 0; |
65 | } |
66 | nouveau_namedb_put(handle); |
67 | return ret; |
68 | } |
69 | |
70 | static int |
71 | nv50_software_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd, |
72 | void *args, u32 size) |
73 | { |
74 | struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
75 | chan->vblank.offset = *(u32 *)args; |
76 | return 0; |
77 | } |
78 | |
79 | int |
80 | nv50_software_mthd_vblsem_value(struct nouveau_object *object, u32 mthd, |
81 | void *args, u32 size) |
82 | { |
83 | struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
84 | chan->vblank.value = *(u32 *)args; |
85 | return 0; |
86 | } |
87 | |
88 | int |
89 | nv50_software_mthd_vblsem_release(struct nouveau_object *object, u32 mthd, |
90 | void *args, u32 size) |
91 | { |
92 | struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
93 | u32 head = *(u32 *)args; |
94 | if (head >= chan->vblank.nr_event) |
95 | return -EINVAL; |
96 | |
97 | nouveau_event_get(chan->vblank.event[head]); |
98 | return 0; |
99 | } |
100 | |
101 | int |
102 | nv50_software_mthd_flip(struct nouveau_object *object, u32 mthd, |
103 | void *args, u32 size) |
104 | { |
105 | struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
106 | if (chan->base.flip) |
107 | return chan->base.flip(chan->base.flip_data); |
108 | return -EINVAL; |
109 | } |
110 | |
111 | static struct nouveau_omthds |
112 | nv50_software_omthds[] = { |
113 | { 0x018c, 0x018c, nv50_software_mthd_dma_vblsem }, |
114 | { 0x0400, 0x0400, nv50_software_mthd_vblsem_offset }, |
115 | { 0x0404, 0x0404, nv50_software_mthd_vblsem_value }, |
116 | { 0x0408, 0x0408, nv50_software_mthd_vblsem_release }, |
117 | { 0x0500, 0x0500, nv50_software_mthd_flip }, |
118 | {} |
119 | }; |
120 | |
121 | static struct nouveau_oclass |
122 | nv50_software_sclass[] = { |
123 | { 0x506e, &nouveau_object_ofuncs, nv50_software_omthds }, |
124 | {} |
125 | }; |
126 | |
127 | /******************************************************************************* |
128 | * software context |
129 | ******************************************************************************/ |
130 | |
131 | static int |
132 | nv50_software_vblsem_release(void *data, int head) |
133 | { |
134 | struct nv50_software_chan *chan = data; |
135 | struct nv50_software_priv *priv = (void *)nv_object(chan)->engine; |
136 | struct nouveau_bar *bar = nouveau_bar(priv); |
137 | |
138 | nv_wr32(priv, 0x001704, chan->vblank.channel); |
139 | nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma); |
140 | bar->flush(bar); |
141 | |
142 | if (nv_device(priv)->chipset == 0x50) { |
143 | nv_wr32(priv, 0x001570, chan->vblank.offset); |
144 | nv_wr32(priv, 0x001574, chan->vblank.value); |
145 | } else { |
146 | nv_wr32(priv, 0x060010, chan->vblank.offset); |
147 | nv_wr32(priv, 0x060014, chan->vblank.value); |
148 | } |
149 | |
150 | return NVKM_EVENT_DROP; |
151 | } |
152 | |
153 | void |
154 | nv50_software_context_dtor(struct nouveau_object *object) |
155 | { |
156 | struct nv50_software_chan *chan = (void *)object; |
157 | int i; |
158 | |
159 | if (chan->vblank.event) { |
160 | for (i = 0; i < chan->vblank.nr_event; i++) |
161 | nouveau_event_ref(NULL, &chan->vblank.event[i]); |
162 | kfree(chan->vblank.event); |
163 | } |
164 | |
165 | nouveau_software_context_destroy(&chan->base); |
166 | } |
167 | |
168 | int |
169 | nv50_software_context_ctor(struct nouveau_object *parent, |
170 | struct nouveau_object *engine, |
171 | struct nouveau_oclass *oclass, void *data, u32 size, |
172 | struct nouveau_object **pobject) |
173 | { |
174 | struct nouveau_disp *pdisp = nouveau_disp(parent); |
175 | struct nv50_software_cclass *pclass = (void *)oclass; |
176 | struct nv50_software_chan *chan; |
177 | int ret, i; |
178 | |
179 | ret = nouveau_software_context_create(parent, engine, oclass, &chan); |
180 | *pobject = nv_object(chan); |
181 | if (ret) |
182 | return ret; |
183 | |
184 | chan->vblank.nr_event = pdisp ? pdisp->vblank->index_nr : 0; |
185 | chan->vblank.event = kzalloc(chan->vblank.nr_event * |
186 | sizeof(*chan->vblank.event), GFP_KERNEL); |
187 | if (!chan->vblank.event) |
188 | return -ENOMEM; |
189 | |
190 | for (i = 0; i < chan->vblank.nr_event; i++) { |
191 | ret = nouveau_event_new(pdisp->vblank, i, pclass->vblank, |
192 | chan, &chan->vblank.event[i]); |
193 | if (ret) |
194 | return ret; |
195 | } |
196 | |
197 | chan->vblank.channel = nv_gpuobj(parent->parent)->addr >> 12; |
198 | return 0; |
199 | } |
200 | |
201 | static struct nv50_software_cclass |
202 | nv50_software_cclass = { |
203 | .base.handle = NV_ENGCTX(SW, 0x50), |
204 | .base.ofuncs = &(struct nouveau_ofuncs) { |
205 | .ctor = nv50_software_context_ctor, |
206 | .dtor = _nouveau_software_context_dtor, |
207 | .init = _nouveau_software_context_init, |
208 | .fini = _nouveau_software_context_fini, |
209 | }, |
210 | .vblank = nv50_software_vblsem_release, |
211 | }; |
212 | |
213 | /******************************************************************************* |
214 | * software engine/subdev functions |
215 | ******************************************************************************/ |
216 | |
217 | int |
218 | nv50_software_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
219 | struct nouveau_oclass *oclass, void *data, u32 size, |
220 | struct nouveau_object **pobject) |
221 | { |
222 | struct nv50_software_oclass *pclass = (void *)oclass; |
223 | struct nv50_software_priv *priv; |
224 | int ret; |
225 | |
226 | ret = nouveau_software_create(parent, engine, oclass, &priv); |
227 | *pobject = nv_object(priv); |
228 | if (ret) |
229 | return ret; |
230 | |
231 | nv_engine(priv)->cclass = pclass->cclass; |
232 | nv_engine(priv)->sclass = pclass->sclass; |
233 | nv_subdev(priv)->intr = nv04_software_intr; |
234 | return 0; |
235 | } |
236 | |
237 | struct nouveau_oclass * |
238 | nv50_software_oclass = &(struct nv50_software_oclass) { |
239 | .base.handle = NV_ENGINE(SW, 0x50), |
240 | .base.ofuncs = &(struct nouveau_ofuncs) { |
241 | .ctor = nv50_software_ctor, |
242 | .dtor = _nouveau_software_dtor, |
243 | .init = _nouveau_software_init, |
244 | .fini = _nouveau_software_fini, |
245 | }, |
246 | .cclass = &nv50_software_cclass.base, |
247 | .sclass = nv50_software_sclass, |
248 | }.base; |
249 | |