--- /dev/null
+/*
+ * 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 "nv04.h"
+
+#include <core/client.h>
+#include <core/engctx.h>
+#include <core/ramht.h>
+#include <subdev/instmem/nv04.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+static struct ramfc_desc
+nv10_ramfc[] = {
+ { 32, 0, 0x00, 0, NV04_PFIFO_CACHE1_DMA_PUT },
+ { 32, 0, 0x04, 0, NV04_PFIFO_CACHE1_DMA_GET },
+ { 32, 0, 0x08, 0, NV10_PFIFO_CACHE1_REF_CNT },
+ { 16, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE },
+ { 16, 16, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT },
+ { 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_STATE },
+ { 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_DMA_FETCH },
+ { 32, 0, 0x18, 0, NV04_PFIFO_CACHE1_ENGINE },
+ { 32, 0, 0x1c, 0, NV04_PFIFO_CACHE1_PULL1 },
+ {}
+};
+
+/*******************************************************************************
+ * FIFO channel objects
+ ******************************************************************************/
+
+static int
+nv10_fifo_chan_ctor(struct nvkm_object *parent,
+ struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ union {
+ struct nv03_channel_dma_v0 v0;
+ } *args = data;
+ struct nv04_fifo_priv *priv = (void *)engine;
+ struct nv04_fifo_chan *chan;
+ int ret;
+
+ nv_ioctl(parent, "create channel dma size %d\n", size);
+ if (nvif_unpack(args->v0, 0, 0, false)) {
+ nv_ioctl(parent, "create channel dma vers %d pushbuf %08x "
+ "offset %016llx\n", args->v0.version,
+ args->v0.pushbuf, args->v0.offset);
+ } else
+ return ret;
+
+ ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0x800000,
+ 0x10000, args->v0.pushbuf,
+ (1ULL << NVDEV_ENGINE_DMAOBJ) |
+ (1ULL << NVDEV_ENGINE_SW) |
+ (1ULL << NVDEV_ENGINE_GR), &chan);
+ *pobject = nv_object(chan);
+ if (ret)
+ return ret;
+
+ args->v0.chid = chan->base.chid;
+
+ nv_parent(chan)->object_attach = nv04_fifo_object_attach;
+ nv_parent(chan)->object_detach = nv04_fifo_object_detach;
+ nv_parent(chan)->context_attach = nv04_fifo_context_attach;
+ chan->ramfc = chan->base.chid * 32;
+
+ nv_wo32(priv->ramfc, chan->ramfc + 0x00, args->v0.offset);
+ nv_wo32(priv->ramfc, chan->ramfc + 0x04, args->v0.offset);
+ nv_wo32(priv->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4);
+ nv_wo32(priv->ramfc, chan->ramfc + 0x14,
+ NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
+ NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
+#ifdef __BIG_ENDIAN
+ NV_PFIFO_CACHE1_BIG_ENDIAN |
+#endif
+ NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
+ return 0;
+}
+
+static struct nvkm_ofuncs
+nv10_fifo_ofuncs = {
+ .ctor = nv10_fifo_chan_ctor,
+ .dtor = nv04_fifo_chan_dtor,
+ .init = nv04_fifo_chan_init,
+ .fini = nv04_fifo_chan_fini,
+ .map = _nvkm_fifo_channel_map,
+ .rd32 = _nvkm_fifo_channel_rd32,
+ .wr32 = _nvkm_fifo_channel_wr32,
+ .ntfy = _nvkm_fifo_channel_ntfy
+};
+
+static struct nvkm_oclass
+nv10_fifo_sclass[] = {
+ { NV10_CHANNEL_DMA, &nv10_fifo_ofuncs },
+ {}
+};
+
+/*******************************************************************************
+ * FIFO context - basically just the instmem reserved for the channel
+ ******************************************************************************/
+
+static struct nvkm_oclass
+nv10_fifo_cclass = {
+ .handle = NV_ENGCTX(FIFO, 0x10),
+ .ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = nv04_fifo_context_ctor,
+ .dtor = _nvkm_fifo_context_dtor,
+ .init = _nvkm_fifo_context_init,
+ .fini = _nvkm_fifo_context_fini,
+ .rd32 = _nvkm_fifo_context_rd32,
+ .wr32 = _nvkm_fifo_context_wr32,
+ },
+};
+
+/*******************************************************************************
+ * PFIFO engine
+ ******************************************************************************/
+
+static int
+nv10_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nv04_instmem_priv *imem = nv04_instmem(parent);
+ struct nv04_fifo_priv *priv;
+ int ret;
+
+ ret = nvkm_fifo_create(parent, engine, oclass, 0, 31, &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ nvkm_ramht_ref(imem->ramht, &priv->ramht);
+ nvkm_gpuobj_ref(imem->ramro, &priv->ramro);
+ nvkm_gpuobj_ref(imem->ramfc, &priv->ramfc);
+
+ nv_subdev(priv)->unit = 0x00000100;
+ nv_subdev(priv)->intr = nv04_fifo_intr;
+ nv_engine(priv)->cclass = &nv10_fifo_cclass;
+ nv_engine(priv)->sclass = nv10_fifo_sclass;
+ priv->base.pause = nv04_fifo_pause;
+ priv->base.start = nv04_fifo_start;
+ priv->ramfc_desc = nv10_ramfc;
+ return 0;
+}
+
+struct nvkm_oclass *
+nv10_fifo_oclass = &(struct nvkm_oclass) {
+ .handle = NV_ENGINE(FIFO, 0x10),
+ .ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = nv10_fifo_ctor,
+ .dtor = nv04_fifo_dtor,
+ .init = nv04_fifo_init,
+ .fini = _nvkm_fifo_fini,
+ },
+};
Code Review / kvmfornfv.git / blobdiff