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+/*
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+ * Copyright 2012 Red Hat Inc.
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a
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+ * copy of this software and associated documentation files (the "Software"),
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+ * to deal in the Software without restriction, including without limitation
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+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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+ * and/or sell copies of the Software, and to permit persons to whom the
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+ * Software is furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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+ * OTHER DEALINGS IN THE SOFTWARE.
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+ *
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+ * Authors: Ben Skeggs
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+ */
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+
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+#include <core/os.h>
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+#include <core/class.h>
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+#include <core/client.h>
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+#include <core/engctx.h>
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+#include <core/handle.h>
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+
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+#include <subdev/fb.h>
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+#include <subdev/timer.h>
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+#include <subdev/instmem.h>
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+
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+#include <engine/fifo.h>
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+#include <engine/mpeg.h>
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+
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+struct nv44_mpeg_priv {
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+ struct nouveau_mpeg base;
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+};
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+
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+struct nv44_mpeg_chan {
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+ struct nouveau_mpeg_chan base;
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+};
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+
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+/*******************************************************************************
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+ * PMPEG context
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+ ******************************************************************************/
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+
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+static int
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+nv44_mpeg_context_ctor(struct nouveau_object *parent,
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+ struct nouveau_object *engine,
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+ struct nouveau_oclass *oclass, void *data, u32 size,
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+ struct nouveau_object **pobject)
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+{
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+ struct nv44_mpeg_chan *chan;
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+ int ret;
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+
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+ ret = nouveau_mpeg_context_create(parent, engine, oclass, NULL,
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+ 264 * 4, 16,
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+ NVOBJ_FLAG_ZERO_ALLOC, &chan);
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+ *pobject = nv_object(chan);
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+ if (ret)
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+ return ret;
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+
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+ nv_wo32(&chan->base.base, 0x78, 0x02001ec1);
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+ return 0;
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+}
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+
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+static int
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+nv44_mpeg_context_fini(struct nouveau_object *object, bool suspend)
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+{
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+
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+ struct nv44_mpeg_priv *priv = (void *)object->engine;
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+ struct nv44_mpeg_chan *chan = (void *)object;
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+ u32 inst = 0x80000000 | nv_gpuobj(chan)->addr >> 4;
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+
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+ nv_mask(priv, 0x00b32c, 0x00000001, 0x00000000);
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+ if (nv_rd32(priv, 0x00b318) == inst)
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+ nv_mask(priv, 0x00b318, 0x80000000, 0x00000000);
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+ nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001);
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+ return 0;
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+}
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+
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+static struct nouveau_oclass
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+nv44_mpeg_cclass = {
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+ .handle = NV_ENGCTX(MPEG, 0x44),
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+ .ofuncs = &(struct nouveau_ofuncs) {
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+ .ctor = nv44_mpeg_context_ctor,
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+ .dtor = _nouveau_mpeg_context_dtor,
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+ .init = _nouveau_mpeg_context_init,
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+ .fini = nv44_mpeg_context_fini,
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+ .rd32 = _nouveau_mpeg_context_rd32,
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+ .wr32 = _nouveau_mpeg_context_wr32,
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+ },
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+};
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+
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+/*******************************************************************************
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+ * PMPEG engine/subdev functions
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+ ******************************************************************************/
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+
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+static void
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+nv44_mpeg_intr(struct nouveau_subdev *subdev)
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+{
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+ struct nouveau_fifo *pfifo = nouveau_fifo(subdev);
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+ struct nouveau_engine *engine = nv_engine(subdev);
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+ struct nouveau_object *engctx;
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+ struct nouveau_handle *handle;
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+ struct nv44_mpeg_priv *priv = (void *)subdev;
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+ u32 inst = nv_rd32(priv, 0x00b318) & 0x000fffff;
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+ u32 stat = nv_rd32(priv, 0x00b100);
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+ u32 type = nv_rd32(priv, 0x00b230);
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+ u32 mthd = nv_rd32(priv, 0x00b234);
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+ u32 data = nv_rd32(priv, 0x00b238);
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+ u32 show = stat;
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+ int chid;
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+
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+ engctx = nouveau_engctx_get(engine, inst);
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+ chid = pfifo->chid(pfifo, engctx);
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+
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+ if (stat & 0x01000000) {
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+ /* happens on initial binding of the object */
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+ if (type == 0x00000020 && mthd == 0x0000) {
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+ nv_mask(priv, 0x00b308, 0x00000000, 0x00000000);
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+ show &= ~0x01000000;
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+ }
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+
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+ if (type == 0x00000010) {
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+ handle = nouveau_handle_get_class(engctx, 0x3174);
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+ if (handle && !nv_call(handle->object, mthd, data))
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+ show &= ~0x01000000;
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+ nouveau_handle_put(handle);
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+ }
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+ }
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+
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+ nv_wr32(priv, 0x00b100, stat);
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+ nv_wr32(priv, 0x00b230, 0x00000001);
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+
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+ if (show) {
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+ nv_error(priv,
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+ "ch %d [0x%08x %s] 0x%08x 0x%08x 0x%08x 0x%08x\n",
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+ chid, inst << 4, nouveau_client_name(engctx), stat,
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+ type, mthd, data);
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+ }
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+
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+ nouveau_engctx_put(engctx);
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+}
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+
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+static void
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+nv44_mpeg_me_intr(struct nouveau_subdev *subdev)
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+{
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+ struct nv44_mpeg_priv *priv = (void *)subdev;
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+ u32 stat;
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+
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+ if ((stat = nv_rd32(priv, 0x00b100)))
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+ nv44_mpeg_intr(subdev);
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+
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+ if ((stat = nv_rd32(priv, 0x00b800))) {
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+ nv_error(priv, "PMSRCH 0x%08x\n", stat);
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+ nv_wr32(priv, 0x00b800, stat);
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+ }
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+}
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+
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+static int
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+nv44_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
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+ struct nouveau_oclass *oclass, void *data, u32 size,
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+ struct nouveau_object **pobject)
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+{
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+ struct nv44_mpeg_priv *priv;
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+ int ret;
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+
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+ ret = nouveau_mpeg_create(parent, engine, oclass, &priv);
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+ *pobject = nv_object(priv);
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+ if (ret)
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+ return ret;
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+
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+ nv_subdev(priv)->unit = 0x00000002;
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+ nv_subdev(priv)->intr = nv44_mpeg_me_intr;
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+ nv_engine(priv)->cclass = &nv44_mpeg_cclass;
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+ nv_engine(priv)->sclass = nv31_mpeg_sclass;
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+ nv_engine(priv)->tile_prog = nv31_mpeg_tile_prog;
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+ return 0;
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+}
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+
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+struct nouveau_oclass
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+nv44_mpeg_oclass = {
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+ .handle = NV_ENGINE(MPEG, 0x44),
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+ .ofuncs = &(struct nouveau_ofuncs) {
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+ .ctor = nv44_mpeg_ctor,
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+ .dtor = _nouveau_mpeg_dtor,
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+ .init = nv31_mpeg_init,
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+ .fini = _nouveau_mpeg_fini,
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+ },
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+};
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Ilia Mirkin