diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c new file mode 100644 index 000000000000..48ce4af6f543 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv10.c @@ -0,0 +1,178 @@ +/* + * 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, + }, +}; |