diff options
Diffstat (limited to 'drm/nouveau/nvkm/engine/fifo/dmanv50.c')
| -rw-r--r-- | drm/nouveau/nvkm/engine/fifo/dmanv50.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/drm/nouveau/nvkm/engine/fifo/dmanv50.c b/drm/nouveau/nvkm/engine/fifo/dmanv50.c new file mode 100644 index 000000000..11a283099 --- /dev/null +++ b/drm/nouveau/nvkm/engine/fifo/dmanv50.c @@ -0,0 +1,115 @@ +/* + * 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 "channv50.h" + +#include <core/client.h> +#include <core/ramht.h> + +#include <nvif/class.h> +#include <nvif/unpack.h> + +static int +nv50_fifo_chan_ctor_dma(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + union { + struct nv50_channel_dma_v0 v0; + } *args = data; + struct nvkm_device *device = parent->engine->subdev.device; + struct nv50_fifo_base *base = (void *)parent; + struct nv50_fifo_chan *chan; + int ret; + + nvif_ioctl(parent, "create channel dma size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nvif_ioctl(parent, "create channel dma vers %d vm %llx " + "pushbuf %llx offset %016llx\n", + args->v0.version, args->v0.vm, args->v0.pushbuf, + args->v0.offset); + if (args->v0.vm) + return -ENOENT; + } else + return ret; + + ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000, + 0x2000, args->v0.pushbuf, + (1ULL << NVDEV_ENGINE_DMAOBJ) | + (1ULL << NVDEV_ENGINE_SW) | + (1ULL << NVDEV_ENGINE_GR) | + (1ULL << NVDEV_ENGINE_MPEG), &chan); + *pobject = nv_object(chan); + if (ret) + return ret; + + chan->base.inst = base->base.gpuobj.addr; + args->v0.chid = chan->base.chid; + + nv_parent(chan)->context_attach = nv50_fifo_context_attach; + nv_parent(chan)->context_detach = nv50_fifo_context_detach; + nv_parent(chan)->object_attach = nv50_fifo_object_attach; + nv_parent(chan)->object_detach = nv50_fifo_object_detach; + + ret = nvkm_ramht_new(device, 0x8000, 16, &base->base.gpuobj, + &chan->ramht); + if (ret) + return ret; + + nvkm_kmap(base->ramfc); + nvkm_wo32(base->ramfc, 0x08, lower_32_bits(args->v0.offset)); + nvkm_wo32(base->ramfc, 0x0c, upper_32_bits(args->v0.offset)); + nvkm_wo32(base->ramfc, 0x10, lower_32_bits(args->v0.offset)); + nvkm_wo32(base->ramfc, 0x14, upper_32_bits(args->v0.offset)); + nvkm_wo32(base->ramfc, 0x3c, 0x003f6078); + nvkm_wo32(base->ramfc, 0x44, 0x01003fff); + nvkm_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4); + nvkm_wo32(base->ramfc, 0x4c, 0xffffffff); + nvkm_wo32(base->ramfc, 0x60, 0x7fffffff); + nvkm_wo32(base->ramfc, 0x78, 0x00000000); + nvkm_wo32(base->ramfc, 0x7c, 0x30000001); + nvkm_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) | + (4 << 24) /* SEARCH_FULL */ | + (chan->ramht->gpuobj->node->offset >> 4)); + nvkm_done(base->ramfc); + return 0; +} + +static struct nvkm_ofuncs +nv50_fifo_ofuncs_dma = { + .ctor = nv50_fifo_chan_ctor_dma, + .dtor = nv50_fifo_chan_dtor, + .init = nv50_fifo_chan_init, + .fini = nv50_fifo_chan_fini, + .map = _nvkm_fifo_channel_map, + .rd32 = _nvkm_fifo_channel_rd32, + .wr32 = _nvkm_fifo_channel_wr32, + .ntfy = _nvkm_fifo_channel_ntfy +}; + +struct nvkm_oclass +nv50_fifo_sclass[] = { + { NV50_CHANNEL_DMA, &nv50_fifo_ofuncs_dma }, + { NV50_CHANNEL_GPFIFO, &nv50_fifo_ofuncs_ind }, + {} +}; |