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path: root/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c193
1 files changed, 193 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c
new file mode 100644
index 000000000000..72c7f33fd29b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c
@@ -0,0 +1,193 @@
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+
+#include <core/os.h>
+#include <core/client.h>
+#include <core/engctx.h>
+#include <core/handle.h>
+
+#include <subdev/fb.h>
+#include <subdev/timer.h>
+#include <subdev/instmem.h>
+
+#include <engine/fifo.h>
+#include <engine/mpeg.h>
+
+struct nv44_mpeg_priv {
+ struct nouveau_mpeg base;
+};
+
+struct nv44_mpeg_chan {
+ struct nouveau_mpeg_chan base;
+};
+
+/*******************************************************************************
+ * PMPEG context
+ ******************************************************************************/
+
+static int
+nv44_mpeg_context_ctor(struct nouveau_object *parent,
+ struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, void *data, u32 size,
+ struct nouveau_object **pobject)
+{
+ struct nv44_mpeg_chan *chan;
+ int ret;
+
+ ret = nouveau_mpeg_context_create(parent, engine, oclass, NULL,
+ 264 * 4, 16,
+ NVOBJ_FLAG_ZERO_ALLOC, &chan);
+ *pobject = nv_object(chan);
+ if (ret)
+ return ret;
+
+ nv_wo32(&chan->base.base, 0x78, 0x02001ec1);
+ return 0;
+}
+
+static int
+nv44_mpeg_context_fini(struct nouveau_object *object, bool suspend)
+{
+
+ struct nv44_mpeg_priv *priv = (void *)object->engine;
+ struct nv44_mpeg_chan *chan = (void *)object;
+ u32 inst = 0x80000000 | nv_gpuobj(chan)->addr >> 4;
+
+ nv_mask(priv, 0x00b32c, 0x00000001, 0x00000000);
+ if (nv_rd32(priv, 0x00b318) == inst)
+ nv_mask(priv, 0x00b318, 0x80000000, 0x00000000);
+ nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001);
+ return 0;
+}
+
+static struct nouveau_oclass
+nv44_mpeg_cclass = {
+ .handle = NV_ENGCTX(MPEG, 0x44),
+ .ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = nv44_mpeg_context_ctor,
+ .dtor = _nouveau_mpeg_context_dtor,
+ .init = _nouveau_mpeg_context_init,
+ .fini = nv44_mpeg_context_fini,
+ .rd32 = _nouveau_mpeg_context_rd32,
+ .wr32 = _nouveau_mpeg_context_wr32,
+ },
+};
+
+/*******************************************************************************
+ * PMPEG engine/subdev functions
+ ******************************************************************************/
+
+static void
+nv44_mpeg_intr(struct nouveau_subdev *subdev)
+{
+ struct nouveau_fifo *pfifo = nouveau_fifo(subdev);
+ struct nouveau_engine *engine = nv_engine(subdev);
+ struct nouveau_object *engctx;
+ struct nouveau_handle *handle;
+ struct nv44_mpeg_priv *priv = (void *)subdev;
+ u32 inst = nv_rd32(priv, 0x00b318) & 0x000fffff;
+ u32 stat = nv_rd32(priv, 0x00b100);
+ u32 type = nv_rd32(priv, 0x00b230);
+ u32 mthd = nv_rd32(priv, 0x00b234);
+ u32 data = nv_rd32(priv, 0x00b238);
+ u32 show = stat;
+ int chid;
+
+ engctx = nouveau_engctx_get(engine, inst);
+ chid = pfifo->chid(pfifo, engctx);
+
+ if (stat & 0x01000000) {
+ /* happens on initial binding of the object */
+ if (type == 0x00000020 && mthd == 0x0000) {
+ nv_mask(priv, 0x00b308, 0x00000000, 0x00000000);
+ show &= ~0x01000000;
+ }
+
+ if (type == 0x00000010) {
+ handle = nouveau_handle_get_class(engctx, 0x3174);
+ if (handle && !nv_call(handle->object, mthd, data))
+ show &= ~0x01000000;
+ nouveau_handle_put(handle);
+ }
+ }
+
+ nv_wr32(priv, 0x00b100, stat);
+ nv_wr32(priv, 0x00b230, 0x00000001);
+
+ if (show) {
+ nv_error(priv,
+ "ch %d [0x%08x %s] 0x%08x 0x%08x 0x%08x 0x%08x\n",
+ chid, inst << 4, nouveau_client_name(engctx), stat,
+ type, mthd, data);
+ }
+
+ nouveau_engctx_put(engctx);
+}
+
+static void
+nv44_mpeg_me_intr(struct nouveau_subdev *subdev)
+{
+ struct nv44_mpeg_priv *priv = (void *)subdev;
+ u32 stat;
+
+ if ((stat = nv_rd32(priv, 0x00b100)))
+ nv44_mpeg_intr(subdev);
+
+ if ((stat = nv_rd32(priv, 0x00b800))) {
+ nv_error(priv, "PMSRCH 0x%08x\n", stat);
+ nv_wr32(priv, 0x00b800, stat);
+ }
+}
+
+static int
+nv44_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, void *data, u32 size,
+ struct nouveau_object **pobject)
+{
+ struct nv44_mpeg_priv *priv;
+ int ret;
+
+ ret = nouveau_mpeg_create(parent, engine, oclass, &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ nv_subdev(priv)->unit = 0x00000002;
+ nv_subdev(priv)->intr = nv44_mpeg_me_intr;
+ nv_engine(priv)->cclass = &nv44_mpeg_cclass;
+ nv_engine(priv)->sclass = nv40_mpeg_sclass;
+ nv_engine(priv)->tile_prog = nv31_mpeg_tile_prog;
+ return 0;
+}
+
+struct nouveau_oclass
+nv44_mpeg_oclass = {
+ .handle = NV_ENGINE(MPEG, 0x44),
+ .ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = nv44_mpeg_ctor,
+ .dtor = _nouveau_mpeg_dtor,
+ .init = nv31_mpeg_init,
+ .fini = _nouveau_mpeg_fini,
+ },
+};