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a02ccc7f | 1 | /* |
ebb945a9 | 2 | * Copyright 2012 Red Hat Inc. |
a02ccc7f BS |
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 | ||
93260d3c | 25 | #include <core/client.h> |
ebb945a9 BS |
26 | #include <core/os.h> |
27 | #include <core/class.h> | |
28 | #include <core/engctx.h> | |
29 | #include <core/handle.h> | |
a02ccc7f | 30 | |
ebb945a9 BS |
31 | #include <subdev/fb.h> |
32 | #include <subdev/timer.h> | |
33 | #include <subdev/instmem.h> | |
52d07331 | 34 | |
72a14827 | 35 | #include <engine/fifo.h> |
ebb945a9 | 36 | #include <engine/mpeg.h> |
72a14827 | 37 | #include <engine/graph/nv40.h> |
a02ccc7f | 38 | |
ebb945a9 BS |
39 | struct nv31_mpeg_priv { |
40 | struct nouveau_mpeg base; | |
41 | atomic_t refcount; | |
42 | }; | |
a02ccc7f | 43 | |
ebb945a9 BS |
44 | struct nv31_mpeg_chan { |
45 | struct nouveau_object base; | |
46 | }; | |
a02ccc7f | 47 | |
ebb945a9 BS |
48 | /******************************************************************************* |
49 | * MPEG object classes | |
50 | ******************************************************************************/ | |
a02ccc7f BS |
51 | |
52 | static int | |
ebb945a9 BS |
53 | nv31_mpeg_object_ctor(struct nouveau_object *parent, |
54 | struct nouveau_object *engine, | |
55 | struct nouveau_oclass *oclass, void *data, u32 size, | |
56 | struct nouveau_object **pobject) | |
a02ccc7f | 57 | { |
ebb945a9 | 58 | struct nouveau_gpuobj *obj; |
a02ccc7f BS |
59 | int ret; |
60 | ||
ebb945a9 BS |
61 | ret = nouveau_gpuobj_create(parent, engine, oclass, 0, parent, |
62 | 20, 16, 0, &obj); | |
63 | *pobject = nv_object(obj); | |
a02ccc7f BS |
64 | if (ret) |
65 | return ret; | |
a02ccc7f | 66 | |
ebb945a9 BS |
67 | nv_wo32(obj, 0x00, nv_mclass(obj)); |
68 | nv_wo32(obj, 0x04, 0x00000000); | |
69 | nv_wo32(obj, 0x08, 0x00000000); | |
70 | nv_wo32(obj, 0x0c, 0x00000000); | |
a02ccc7f BS |
71 | return 0; |
72 | } | |
73 | ||
74 | static int | |
ebb945a9 | 75 | nv31_mpeg_mthd_dma(struct nouveau_object *object, u32 mthd, void *arg, u32 len) |
a02ccc7f | 76 | { |
ebb945a9 BS |
77 | struct nouveau_instmem *imem = nouveau_instmem(object); |
78 | struct nv31_mpeg_priv *priv = (void *)object->engine; | |
79 | u32 inst = *(u32 *)arg << 4; | |
80 | u32 dma0 = nv_ro32(imem, inst + 0); | |
81 | u32 dma1 = nv_ro32(imem, inst + 4); | |
82 | u32 dma2 = nv_ro32(imem, inst + 8); | |
a02ccc7f BS |
83 | u32 base = (dma2 & 0xfffff000) | (dma0 >> 20); |
84 | u32 size = dma1 + 1; | |
85 | ||
86 | /* only allow linear DMA objects */ | |
87 | if (!(dma0 & 0x00002000)) | |
88 | return -EINVAL; | |
89 | ||
90 | if (mthd == 0x0190) { | |
91 | /* DMA_CMD */ | |
ebb945a9 BS |
92 | nv_mask(priv, 0x00b300, 0x00030000, (dma0 & 0x00030000)); |
93 | nv_wr32(priv, 0x00b334, base); | |
94 | nv_wr32(priv, 0x00b324, size); | |
a02ccc7f BS |
95 | } else |
96 | if (mthd == 0x01a0) { | |
97 | /* DMA_DATA */ | |
ebb945a9 BS |
98 | nv_mask(priv, 0x00b300, 0x000c0000, (dma0 & 0x00030000) << 2); |
99 | nv_wr32(priv, 0x00b360, base); | |
100 | nv_wr32(priv, 0x00b364, size); | |
a02ccc7f BS |
101 | } else { |
102 | /* DMA_IMAGE, VRAM only */ | |
103 | if (dma0 & 0x000c0000) | |
104 | return -EINVAL; | |
105 | ||
ebb945a9 BS |
106 | nv_wr32(priv, 0x00b370, base); |
107 | nv_wr32(priv, 0x00b374, size); | |
a02ccc7f BS |
108 | } |
109 | ||
110 | return 0; | |
111 | } | |
112 | ||
5b8a43ae | 113 | static struct nouveau_ofuncs |
ebb945a9 BS |
114 | nv31_mpeg_ofuncs = { |
115 | .ctor = nv31_mpeg_object_ctor, | |
116 | .dtor = _nouveau_gpuobj_dtor, | |
117 | .init = _nouveau_gpuobj_init, | |
118 | .fini = _nouveau_gpuobj_fini, | |
119 | .rd32 = _nouveau_gpuobj_rd32, | |
120 | .wr32 = _nouveau_gpuobj_wr32, | |
121 | }; | |
122 | ||
5b8a43ae | 123 | static struct nouveau_omthds |
ebb945a9 | 124 | nv31_mpeg_omthds[] = { |
fb445b3c BS |
125 | { 0x0190, 0x0190, nv31_mpeg_mthd_dma }, |
126 | { 0x01a0, 0x01a0, nv31_mpeg_mthd_dma }, | |
127 | { 0x01b0, 0x01b0, nv31_mpeg_mthd_dma }, | |
ebb945a9 BS |
128 | {} |
129 | }; | |
130 | ||
131 | struct nouveau_oclass | |
132 | nv31_mpeg_sclass[] = { | |
133 | { 0x3174, &nv31_mpeg_ofuncs, nv31_mpeg_omthds }, | |
134 | {} | |
135 | }; | |
136 | ||
137 | /******************************************************************************* | |
138 | * PMPEG context | |
139 | ******************************************************************************/ | |
140 | ||
a02ccc7f | 141 | static int |
ebb945a9 BS |
142 | nv31_mpeg_context_ctor(struct nouveau_object *parent, |
143 | struct nouveau_object *engine, | |
144 | struct nouveau_oclass *oclass, void *data, u32 size, | |
145 | struct nouveau_object **pobject) | |
a02ccc7f | 146 | { |
ebb945a9 BS |
147 | struct nv31_mpeg_priv *priv = (void *)engine; |
148 | struct nv31_mpeg_chan *chan; | |
149 | int ret; | |
150 | ||
151 | if (!atomic_add_unless(&priv->refcount, 1, 1)) | |
152 | return -EBUSY; | |
153 | ||
154 | ret = nouveau_object_create(parent, engine, oclass, 0, &chan); | |
155 | *pobject = nv_object(chan); | |
156 | if (ret) | |
157 | return ret; | |
158 | ||
159 | return 0; | |
a02ccc7f BS |
160 | } |
161 | ||
162 | static void | |
ebb945a9 | 163 | nv31_mpeg_context_dtor(struct nouveau_object *object) |
a02ccc7f | 164 | { |
ebb945a9 BS |
165 | struct nv31_mpeg_priv *priv = (void *)object->engine; |
166 | struct nv31_mpeg_chan *chan = (void *)object; | |
167 | atomic_dec(&priv->refcount); | |
168 | nouveau_object_destroy(&chan->base); | |
a02ccc7f BS |
169 | } |
170 | ||
ebb945a9 BS |
171 | static struct nouveau_oclass |
172 | nv31_mpeg_cclass = { | |
173 | .handle = NV_ENGCTX(MPEG, 0x31), | |
174 | .ofuncs = &(struct nouveau_ofuncs) { | |
175 | .ctor = nv31_mpeg_context_ctor, | |
176 | .dtor = nv31_mpeg_context_dtor, | |
177 | .init = nouveau_object_init, | |
178 | .fini = nouveau_object_fini, | |
179 | }, | |
180 | }; | |
181 | ||
182 | /******************************************************************************* | |
183 | * PMPEG engine/subdev functions | |
184 | ******************************************************************************/ | |
185 | ||
186 | void | |
187 | nv31_mpeg_tile_prog(struct nouveau_engine *engine, int i) | |
a02ccc7f | 188 | { |
ebb945a9 BS |
189 | struct nouveau_fb_tile *tile = &nouveau_fb(engine)->tile.region[i]; |
190 | struct nv31_mpeg_priv *priv = (void *)engine; | |
191 | ||
192 | nv_wr32(priv, 0x00b008 + (i * 0x10), tile->pitch); | |
193 | nv_wr32(priv, 0x00b004 + (i * 0x10), tile->limit); | |
194 | nv_wr32(priv, 0x00b000 + (i * 0x10), tile->addr); | |
195 | } | |
196 | ||
197 | void | |
198 | nv31_mpeg_intr(struct nouveau_subdev *subdev) | |
199 | { | |
72a14827 | 200 | struct nouveau_fifo *pfifo = nouveau_fifo(subdev); |
ebb945a9 | 201 | struct nouveau_engine *engine = nv_engine(subdev); |
72a14827 BS |
202 | struct nouveau_object *engctx; |
203 | struct nouveau_handle *handle; | |
204 | struct nv31_mpeg_priv *priv = (void *)subdev; | |
205 | u32 inst = nv_rd32(priv, 0x00b318) & 0x000fffff; | |
ebb945a9 BS |
206 | u32 stat = nv_rd32(priv, 0x00b100); |
207 | u32 type = nv_rd32(priv, 0x00b230); | |
208 | u32 mthd = nv_rd32(priv, 0x00b234); | |
209 | u32 data = nv_rd32(priv, 0x00b238); | |
a02ccc7f | 210 | u32 show = stat; |
72a14827 BS |
211 | int chid; |
212 | ||
213 | engctx = nouveau_engctx_get(engine, inst); | |
214 | chid = pfifo->chid(pfifo, engctx); | |
a02ccc7f BS |
215 | |
216 | if (stat & 0x01000000) { | |
217 | /* happens on initial binding of the object */ | |
72a14827 | 218 | if (type == 0x00000020 && mthd == 0x0000) { |
ebb945a9 | 219 | nv_mask(priv, 0x00b308, 0x00000000, 0x00000000); |
a02ccc7f BS |
220 | show &= ~0x01000000; |
221 | } | |
222 | ||
72a14827 BS |
223 | if (type == 0x00000010) { |
224 | handle = nouveau_handle_get_class(engctx, 0x3174); | |
225 | if (handle && !nv_call(handle->object, mthd, data)) | |
a02ccc7f | 226 | show &= ~0x01000000; |
72a14827 | 227 | nouveau_handle_put(handle); |
a02ccc7f BS |
228 | } |
229 | } | |
230 | ||
ebb945a9 BS |
231 | nv_wr32(priv, 0x00b100, stat); |
232 | nv_wr32(priv, 0x00b230, 0x00000001); | |
a02ccc7f | 233 | |
ebb945a9 | 234 | if (show) { |
93260d3c MS |
235 | nv_error(priv, |
236 | "ch %d [0x%08x %s] 0x%08x 0x%08x 0x%08x 0x%08x\n", | |
237 | chid, inst << 4, nouveau_client_name(engctx), stat, | |
238 | type, mthd, data); | |
a02ccc7f | 239 | } |
72a14827 BS |
240 | |
241 | nouveau_engctx_put(engctx); | |
a02ccc7f BS |
242 | } |
243 | ||
ebb945a9 BS |
244 | static int |
245 | nv31_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine, | |
246 | struct nouveau_oclass *oclass, void *data, u32 size, | |
247 | struct nouveau_object **pobject) | |
a02ccc7f | 248 | { |
ebb945a9 BS |
249 | struct nv31_mpeg_priv *priv; |
250 | int ret; | |
a02ccc7f | 251 | |
ebb945a9 BS |
252 | ret = nouveau_mpeg_create(parent, engine, oclass, &priv); |
253 | *pobject = nv_object(priv); | |
254 | if (ret) | |
255 | return ret; | |
256 | ||
257 | nv_subdev(priv)->unit = 0x00000002; | |
258 | nv_subdev(priv)->intr = nv31_mpeg_intr; | |
259 | nv_engine(priv)->cclass = &nv31_mpeg_cclass; | |
260 | nv_engine(priv)->sclass = nv31_mpeg_sclass; | |
261 | nv_engine(priv)->tile_prog = nv31_mpeg_tile_prog; | |
262 | return 0; | |
a02ccc7f BS |
263 | } |
264 | ||
ebb945a9 BS |
265 | int |
266 | nv31_mpeg_init(struct nouveau_object *object) | |
a02ccc7f | 267 | { |
18f35fa6 IM |
268 | struct nouveau_engine *engine = nv_engine(object); |
269 | struct nv31_mpeg_priv *priv = (void *)object; | |
ebb945a9 BS |
270 | struct nouveau_fb *pfb = nouveau_fb(object); |
271 | int ret, i; | |
a02ccc7f | 272 | |
ebb945a9 BS |
273 | ret = nouveau_mpeg_init(&priv->base); |
274 | if (ret) | |
275 | return ret; | |
a02ccc7f | 276 | |
ebb945a9 BS |
277 | /* VPE init */ |
278 | nv_wr32(priv, 0x00b0e0, 0x00000020); /* nvidia: rd 0x01, wr 0x20 */ | |
279 | nv_wr32(priv, 0x00b0e8, 0x00000020); /* nvidia: rd 0x01, wr 0x20 */ | |
a02ccc7f | 280 | |
ebb945a9 BS |
281 | for (i = 0; i < pfb->tile.regions; i++) |
282 | engine->tile_prog(engine, i); | |
283 | ||
284 | /* PMPEG init */ | |
285 | nv_wr32(priv, 0x00b32c, 0x00000000); | |
286 | nv_wr32(priv, 0x00b314, 0x00000100); | |
dc409df9 IM |
287 | if (nv_device(priv)->chipset >= 0x40 && nv44_graph_class(priv)) |
288 | nv_wr32(priv, 0x00b220, 0x00000044); | |
289 | else | |
290 | nv_wr32(priv, 0x00b220, 0x00000031); | |
ebb945a9 BS |
291 | nv_wr32(priv, 0x00b300, 0x02001ec1); |
292 | nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001); | |
293 | ||
294 | nv_wr32(priv, 0x00b100, 0xffffffff); | |
295 | nv_wr32(priv, 0x00b140, 0xffffffff); | |
296 | ||
297 | if (!nv_wait(priv, 0x00b200, 0x00000001, 0x00000000)) { | |
298 | nv_error(priv, "timeout 0x%08x\n", nv_rd32(priv, 0x00b200)); | |
299 | return -EBUSY; | |
52d07331 | 300 | } |
a02ccc7f | 301 | |
ebb945a9 | 302 | return 0; |
a02ccc7f | 303 | } |
ebb945a9 BS |
304 | |
305 | struct nouveau_oclass | |
306 | nv31_mpeg_oclass = { | |
307 | .handle = NV_ENGINE(MPEG, 0x31), | |
308 | .ofuncs = &(struct nouveau_ofuncs) { | |
309 | .ctor = nv31_mpeg_ctor, | |
310 | .dtor = _nouveau_mpeg_dtor, | |
311 | .init = nv31_mpeg_init, | |
312 | .fini = _nouveau_mpeg_fini, | |
313 | }, | |
314 | }; |