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/client.h>
27 #include <core/engctx.h>
28 #include <core/handle.h>
30 #include <subdev/fb.h>
31 #include <subdev/timer.h>
32 #include <subdev/instmem.h>
34 #include <engine/fifo.h>
35 #include <engine/mpeg.h>
36 #include <engine/mpeg/nv31.h>
38 /*******************************************************************************
40 ******************************************************************************/
43 nv31_mpeg_object_ctor(struct nouveau_object *parent,
44 struct nouveau_object *engine,
45 struct nouveau_oclass *oclass, void *data, u32 size,
46 struct nouveau_object **pobject)
48 struct nouveau_gpuobj *obj;
51 ret = nouveau_gpuobj_create(parent, engine, oclass, 0, parent,
53 *pobject = nv_object(obj);
57 nv_wo32(obj, 0x00, nv_mclass(obj));
58 nv_wo32(obj, 0x04, 0x00000000);
59 nv_wo32(obj, 0x08, 0x00000000);
60 nv_wo32(obj, 0x0c, 0x00000000);
65 nv31_mpeg_mthd_dma(struct nouveau_object *object, u32 mthd, void *arg, u32 len)
67 struct nouveau_instmem *imem = nouveau_instmem(object);
68 struct nv31_mpeg_priv *priv = (void *)object->engine;
69 u32 inst = *(u32 *)arg << 4;
70 u32 dma0 = nv_ro32(imem, inst + 0);
71 u32 dma1 = nv_ro32(imem, inst + 4);
72 u32 dma2 = nv_ro32(imem, inst + 8);
73 u32 base = (dma2 & 0xfffff000) | (dma0 >> 20);
76 /* only allow linear DMA objects */
77 if (!(dma0 & 0x00002000))
82 nv_mask(priv, 0x00b300, 0x00010000, (dma0 & 0x00030000) ? 0x00010000 : 0);
83 nv_wr32(priv, 0x00b334, base);
84 nv_wr32(priv, 0x00b324, size);
88 nv_mask(priv, 0x00b300, 0x00020000, (dma0 & 0x00030000) ? 0x00020000 : 0);
89 nv_wr32(priv, 0x00b360, base);
90 nv_wr32(priv, 0x00b364, size);
92 /* DMA_IMAGE, VRAM only */
93 if (dma0 & 0x00030000)
96 nv_wr32(priv, 0x00b370, base);
97 nv_wr32(priv, 0x00b374, size);
103 struct nouveau_ofuncs
105 .ctor = nv31_mpeg_object_ctor,
106 .dtor = _nouveau_gpuobj_dtor,
107 .init = _nouveau_gpuobj_init,
108 .fini = _nouveau_gpuobj_fini,
109 .rd32 = _nouveau_gpuobj_rd32,
110 .wr32 = _nouveau_gpuobj_wr32,
113 static struct nouveau_omthds
114 nv31_mpeg_omthds[] = {
115 { 0x0190, 0x0190, nv31_mpeg_mthd_dma },
116 { 0x01a0, 0x01a0, nv31_mpeg_mthd_dma },
117 { 0x01b0, 0x01b0, nv31_mpeg_mthd_dma },
121 struct nouveau_oclass
122 nv31_mpeg_sclass[] = {
123 { 0x3174, &nv31_mpeg_ofuncs, nv31_mpeg_omthds },
127 /*******************************************************************************
129 ******************************************************************************/
132 nv31_mpeg_context_ctor(struct nouveau_object *parent,
133 struct nouveau_object *engine,
134 struct nouveau_oclass *oclass, void *data, u32 size,
135 struct nouveau_object **pobject)
137 struct nv31_mpeg_priv *priv = (void *)engine;
138 struct nv31_mpeg_chan *chan;
142 ret = nouveau_object_create(parent, engine, oclass, 0, &chan);
143 *pobject = nv_object(chan);
147 spin_lock_irqsave(&nv_engine(priv)->lock, flags);
149 spin_unlock_irqrestore(&nv_engine(priv)->lock, flags);
150 nouveau_object_destroy(&chan->base);
155 spin_unlock_irqrestore(&nv_engine(priv)->lock, flags);
160 nv31_mpeg_context_dtor(struct nouveau_object *object)
162 struct nv31_mpeg_priv *priv = (void *)object->engine;
163 struct nv31_mpeg_chan *chan = (void *)object;
166 spin_lock_irqsave(&nv_engine(priv)->lock, flags);
168 spin_unlock_irqrestore(&nv_engine(priv)->lock, flags);
169 nouveau_object_destroy(&chan->base);
172 struct nouveau_oclass
174 .handle = NV_ENGCTX(MPEG, 0x31),
175 .ofuncs = &(struct nouveau_ofuncs) {
176 .ctor = nv31_mpeg_context_ctor,
177 .dtor = nv31_mpeg_context_dtor,
178 .init = nouveau_object_init,
179 .fini = nouveau_object_fini,
183 /*******************************************************************************
184 * PMPEG engine/subdev functions
185 ******************************************************************************/
188 nv31_mpeg_tile_prog(struct nouveau_engine *engine, int i)
190 struct nouveau_fb_tile *tile = &nouveau_fb(engine)->tile.region[i];
191 struct nv31_mpeg_priv *priv = (void *)engine;
193 nv_wr32(priv, 0x00b008 + (i * 0x10), tile->pitch);
194 nv_wr32(priv, 0x00b004 + (i * 0x10), tile->limit);
195 nv_wr32(priv, 0x00b000 + (i * 0x10), tile->addr);
199 nv31_mpeg_intr(struct nouveau_subdev *subdev)
201 struct nv31_mpeg_priv *priv = (void *)subdev;
202 struct nouveau_fifo *pfifo = nouveau_fifo(subdev);
203 struct nouveau_handle *handle;
204 struct nouveau_object *engctx;
205 u32 stat = nv_rd32(priv, 0x00b100);
206 u32 type = nv_rd32(priv, 0x00b230);
207 u32 mthd = nv_rd32(priv, 0x00b234);
208 u32 data = nv_rd32(priv, 0x00b238);
212 spin_lock_irqsave(&nv_engine(priv)->lock, flags);
213 engctx = nv_object(priv->chan);
215 if (stat & 0x01000000) {
216 /* happens on initial binding of the object */
217 if (type == 0x00000020 && mthd == 0x0000) {
218 nv_mask(priv, 0x00b308, 0x00000000, 0x00000000);
222 if (type == 0x00000010 && engctx) {
223 handle = nouveau_handle_get_class(engctx, 0x3174);
224 if (handle && !nv_call(handle->object, mthd, data))
226 nouveau_handle_put(handle);
230 nv_wr32(priv, 0x00b100, stat);
231 nv_wr32(priv, 0x00b230, 0x00000001);
234 nv_error(priv, "ch %d [%s] 0x%08x 0x%08x 0x%08x 0x%08x\n",
235 pfifo->chid(pfifo, engctx),
236 nouveau_client_name(engctx), stat, type, mthd, data);
239 spin_unlock_irqrestore(&nv_engine(priv)->lock, flags);
243 nv31_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
244 struct nouveau_oclass *oclass, void *data, u32 size,
245 struct nouveau_object **pobject)
247 struct nv31_mpeg_priv *priv;
250 ret = nouveau_mpeg_create(parent, engine, oclass, &priv);
251 *pobject = nv_object(priv);
255 nv_subdev(priv)->unit = 0x00000002;
256 nv_subdev(priv)->intr = nv31_mpeg_intr;
257 nv_engine(priv)->cclass = &nv31_mpeg_cclass;
258 nv_engine(priv)->sclass = nv31_mpeg_sclass;
259 nv_engine(priv)->tile_prog = nv31_mpeg_tile_prog;
264 nv31_mpeg_init(struct nouveau_object *object)
266 struct nouveau_engine *engine = nv_engine(object);
267 struct nv31_mpeg_priv *priv = (void *)object;
268 struct nouveau_fb *pfb = nouveau_fb(object);
271 ret = nouveau_mpeg_init(&priv->base);
276 nv_wr32(priv, 0x00b0e0, 0x00000020); /* nvidia: rd 0x01, wr 0x20 */
277 nv_wr32(priv, 0x00b0e8, 0x00000020); /* nvidia: rd 0x01, wr 0x20 */
279 for (i = 0; i < pfb->tile.regions; i++)
280 engine->tile_prog(engine, i);
283 nv_wr32(priv, 0x00b32c, 0x00000000);
284 nv_wr32(priv, 0x00b314, 0x00000100);
285 nv_wr32(priv, 0x00b220, 0x00000031);
286 nv_wr32(priv, 0x00b300, 0x02001ec1);
287 nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001);
289 nv_wr32(priv, 0x00b100, 0xffffffff);
290 nv_wr32(priv, 0x00b140, 0xffffffff);
292 if (!nv_wait(priv, 0x00b200, 0x00000001, 0x00000000)) {
293 nv_error(priv, "timeout 0x%08x\n", nv_rd32(priv, 0x00b200));
300 struct nouveau_oclass
302 .handle = NV_ENGINE(MPEG, 0x31),
303 .ofuncs = &(struct nouveau_ofuncs) {
304 .ctor = nv31_mpeg_ctor,
305 .dtor = _nouveau_mpeg_dtor,
306 .init = nv31_mpeg_init,
307 .fini = _nouveau_mpeg_fini,