diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c | 534 |
1 files changed, 534 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c new file mode 100644 index 000000000000..f25f0fd0655d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.c @@ -0,0 +1,534 @@ +/* + * 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 "nv50.h" +#include "nv04.h" + +#include <core/client.h> +#include <core/engctx.h> +#include <core/ramht.h> +#include <subdev/bar.h> +#include <subdev/mmu.h> +#include <subdev/timer.h> + +#include <nvif/class.h> +#include <nvif/unpack.h> + +/******************************************************************************* + * FIFO channel objects + ******************************************************************************/ + +static void +nv50_fifo_playlist_update_locked(struct nv50_fifo_priv *priv) +{ + struct nvkm_bar *bar = nvkm_bar(priv); + struct nvkm_gpuobj *cur; + int i, p; + + cur = priv->playlist[priv->cur_playlist]; + priv->cur_playlist = !priv->cur_playlist; + + for (i = priv->base.min, p = 0; i < priv->base.max; i++) { + if (nv_rd32(priv, 0x002600 + (i * 4)) & 0x80000000) + nv_wo32(cur, p++ * 4, i); + } + + bar->flush(bar); + + nv_wr32(priv, 0x0032f4, cur->addr >> 12); + nv_wr32(priv, 0x0032ec, p); + nv_wr32(priv, 0x002500, 0x00000101); +} + +void +nv50_fifo_playlist_update(struct nv50_fifo_priv *priv) +{ + mutex_lock(&nv_subdev(priv)->mutex); + nv50_fifo_playlist_update_locked(priv); + mutex_unlock(&nv_subdev(priv)->mutex); +} + +static int +nv50_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *object) +{ + struct nvkm_bar *bar = nvkm_bar(parent); + struct nv50_fifo_base *base = (void *)parent->parent; + struct nvkm_gpuobj *ectx = (void *)object; + u64 limit = ectx->addr + ectx->size - 1; + u64 start = ectx->addr; + u32 addr; + + switch (nv_engidx(object->engine)) { + case NVDEV_ENGINE_SW : return 0; + case NVDEV_ENGINE_GR : addr = 0x0000; break; + case NVDEV_ENGINE_MPEG : addr = 0x0060; break; + default: + return -EINVAL; + } + + nv_engctx(ectx)->addr = nv_gpuobj(base)->addr >> 12; + nv_wo32(base->eng, addr + 0x00, 0x00190000); + nv_wo32(base->eng, addr + 0x04, lower_32_bits(limit)); + nv_wo32(base->eng, addr + 0x08, lower_32_bits(start)); + nv_wo32(base->eng, addr + 0x0c, upper_32_bits(limit) << 24 | + upper_32_bits(start)); + nv_wo32(base->eng, addr + 0x10, 0x00000000); + nv_wo32(base->eng, addr + 0x14, 0x00000000); + bar->flush(bar); + return 0; +} + +static int +nv50_fifo_context_detach(struct nvkm_object *parent, bool suspend, + struct nvkm_object *object) +{ + struct nvkm_bar *bar = nvkm_bar(parent); + struct nv50_fifo_priv *priv = (void *)parent->engine; + struct nv50_fifo_base *base = (void *)parent->parent; + struct nv50_fifo_chan *chan = (void *)parent; + u32 addr, me; + int ret = 0; + + switch (nv_engidx(object->engine)) { + case NVDEV_ENGINE_SW : return 0; + case NVDEV_ENGINE_GR : addr = 0x0000; break; + case NVDEV_ENGINE_MPEG : addr = 0x0060; break; + default: + return -EINVAL; + } + + /* HW bug workaround: + * + * PFIFO will hang forever if the connected engines don't report + * that they've processed the context switch request. + * + * In order for the kickoff to work, we need to ensure all the + * connected engines are in a state where they can answer. + * + * Newer chipsets don't seem to suffer from this issue, and well, + * there's also a "ignore these engines" bitmask reg we can use + * if we hit the issue there.. + */ + me = nv_mask(priv, 0x00b860, 0x00000001, 0x00000001); + + /* do the kickoff... */ + nv_wr32(priv, 0x0032fc, nv_gpuobj(base)->addr >> 12); + if (!nv_wait_ne(priv, 0x0032fc, 0xffffffff, 0xffffffff)) { + nv_error(priv, "channel %d [%s] unload timeout\n", + chan->base.chid, nvkm_client_name(chan)); + if (suspend) + ret = -EBUSY; + } + nv_wr32(priv, 0x00b860, me); + + if (ret == 0) { + nv_wo32(base->eng, addr + 0x00, 0x00000000); + nv_wo32(base->eng, addr + 0x04, 0x00000000); + nv_wo32(base->eng, addr + 0x08, 0x00000000); + nv_wo32(base->eng, addr + 0x0c, 0x00000000); + nv_wo32(base->eng, addr + 0x10, 0x00000000); + nv_wo32(base->eng, addr + 0x14, 0x00000000); + bar->flush(bar); + } + + return ret; +} + +static int +nv50_fifo_object_attach(struct nvkm_object *parent, + struct nvkm_object *object, u32 handle) +{ + struct nv50_fifo_chan *chan = (void *)parent; + u32 context; + + if (nv_iclass(object, NV_GPUOBJ_CLASS)) + context = nv_gpuobj(object)->node->offset >> 4; + else + context = 0x00000004; /* just non-zero */ + + switch (nv_engidx(object->engine)) { + case NVDEV_ENGINE_DMAOBJ: + case NVDEV_ENGINE_SW : context |= 0x00000000; break; + case NVDEV_ENGINE_GR : context |= 0x00100000; break; + case NVDEV_ENGINE_MPEG : context |= 0x00200000; break; + default: + return -EINVAL; + } + + return nvkm_ramht_insert(chan->ramht, 0, handle, context); +} + +void +nv50_fifo_object_detach(struct nvkm_object *parent, int cookie) +{ + struct nv50_fifo_chan *chan = (void *)parent; + nvkm_ramht_remove(chan->ramht, cookie); +} + +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 nv03_channel_dma_v0 v0; + } *args = data; + struct nvkm_bar *bar = nvkm_bar(parent); + struct nv50_fifo_base *base = (void *)parent; + struct nv50_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, 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; + + 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(nv_object(chan), nv_object(chan), 0x8000, 16, + &chan->ramht); + if (ret) + return ret; + + nv_wo32(base->ramfc, 0x08, lower_32_bits(args->v0.offset)); + nv_wo32(base->ramfc, 0x0c, upper_32_bits(args->v0.offset)); + nv_wo32(base->ramfc, 0x10, lower_32_bits(args->v0.offset)); + nv_wo32(base->ramfc, 0x14, upper_32_bits(args->v0.offset)); + nv_wo32(base->ramfc, 0x3c, 0x003f6078); + nv_wo32(base->ramfc, 0x44, 0x01003fff); + nv_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4); + nv_wo32(base->ramfc, 0x4c, 0xffffffff); + nv_wo32(base->ramfc, 0x60, 0x7fffffff); + nv_wo32(base->ramfc, 0x78, 0x00000000); + nv_wo32(base->ramfc, 0x7c, 0x30000001); + nv_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) | + (4 << 24) /* SEARCH_FULL */ | + (chan->ramht->gpuobj.node->offset >> 4)); + bar->flush(bar); + return 0; +} + +static int +nv50_fifo_chan_ctor_ind(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + union { + struct nv50_channel_gpfifo_v0 v0; + } *args = data; + struct nvkm_bar *bar = nvkm_bar(parent); + struct nv50_fifo_base *base = (void *)parent; + struct nv50_fifo_chan *chan; + u64 ioffset, ilength; + int ret; + + nv_ioctl(parent, "create channel gpfifo size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create channel gpfifo vers %d pushbuf %08x " + "ioffset %016llx ilength %08x\n", + args->v0.version, args->v0.pushbuf, args->v0.ioffset, + args->v0.ilength); + } 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; + + 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(nv_object(chan), nv_object(chan), 0x8000, 16, + &chan->ramht); + if (ret) + return ret; + + ioffset = args->v0.ioffset; + ilength = order_base_2(args->v0.ilength / 8); + + nv_wo32(base->ramfc, 0x3c, 0x403f6078); + nv_wo32(base->ramfc, 0x44, 0x01003fff); + nv_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4); + nv_wo32(base->ramfc, 0x50, lower_32_bits(ioffset)); + nv_wo32(base->ramfc, 0x54, upper_32_bits(ioffset) | (ilength << 16)); + nv_wo32(base->ramfc, 0x60, 0x7fffffff); + nv_wo32(base->ramfc, 0x78, 0x00000000); + nv_wo32(base->ramfc, 0x7c, 0x30000001); + nv_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) | + (4 << 24) /* SEARCH_FULL */ | + (chan->ramht->gpuobj.node->offset >> 4)); + bar->flush(bar); + return 0; +} + +void +nv50_fifo_chan_dtor(struct nvkm_object *object) +{ + struct nv50_fifo_chan *chan = (void *)object; + nvkm_ramht_ref(NULL, &chan->ramht); + nvkm_fifo_channel_destroy(&chan->base); +} + +static int +nv50_fifo_chan_init(struct nvkm_object *object) +{ + struct nv50_fifo_priv *priv = (void *)object->engine; + struct nv50_fifo_base *base = (void *)object->parent; + struct nv50_fifo_chan *chan = (void *)object; + struct nvkm_gpuobj *ramfc = base->ramfc; + u32 chid = chan->base.chid; + int ret; + + ret = nvkm_fifo_channel_init(&chan->base); + if (ret) + return ret; + + nv_wr32(priv, 0x002600 + (chid * 4), 0x80000000 | ramfc->addr >> 12); + nv50_fifo_playlist_update(priv); + return 0; +} + +int +nv50_fifo_chan_fini(struct nvkm_object *object, bool suspend) +{ + struct nv50_fifo_priv *priv = (void *)object->engine; + struct nv50_fifo_chan *chan = (void *)object; + u32 chid = chan->base.chid; + + /* remove channel from playlist, fifo will unload context */ + nv_mask(priv, 0x002600 + (chid * 4), 0x80000000, 0x00000000); + nv50_fifo_playlist_update(priv); + nv_wr32(priv, 0x002600 + (chid * 4), 0x00000000); + + return nvkm_fifo_channel_fini(&chan->base, suspend); +} + +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 +}; + +static struct nvkm_ofuncs +nv50_fifo_ofuncs_ind = { + .ctor = nv50_fifo_chan_ctor_ind, + .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 +}; + +static struct nvkm_oclass +nv50_fifo_sclass[] = { + { NV50_CHANNEL_DMA, &nv50_fifo_ofuncs_dma }, + { NV50_CHANNEL_GPFIFO, &nv50_fifo_ofuncs_ind }, + {} +}; + +/******************************************************************************* + * FIFO context - basically just the instmem reserved for the channel + ******************************************************************************/ + +static int +nv50_fifo_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nv50_fifo_base *base; + int ret; + + ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x10000, + 0x1000, NVOBJ_FLAG_HEAP, &base); + *pobject = nv_object(base); + if (ret) + return ret; + + ret = nvkm_gpuobj_new(nv_object(base), nv_object(base), 0x0200, + 0x1000, NVOBJ_FLAG_ZERO_ALLOC, &base->ramfc); + if (ret) + return ret; + + ret = nvkm_gpuobj_new(nv_object(base), nv_object(base), 0x1200, 0, + NVOBJ_FLAG_ZERO_ALLOC, &base->eng); + if (ret) + return ret; + + ret = nvkm_gpuobj_new(nv_object(base), nv_object(base), 0x4000, 0, 0, + &base->pgd); + if (ret) + return ret; + + ret = nvkm_vm_ref(nvkm_client(parent)->vm, &base->vm, base->pgd); + if (ret) + return ret; + + return 0; +} + +void +nv50_fifo_context_dtor(struct nvkm_object *object) +{ + struct nv50_fifo_base *base = (void *)object; + nvkm_vm_ref(NULL, &base->vm, base->pgd); + nvkm_gpuobj_ref(NULL, &base->pgd); + nvkm_gpuobj_ref(NULL, &base->eng); + nvkm_gpuobj_ref(NULL, &base->ramfc); + nvkm_gpuobj_ref(NULL, &base->cache); + nvkm_fifo_context_destroy(&base->base); +} + +static struct nvkm_oclass +nv50_fifo_cclass = { + .handle = NV_ENGCTX(FIFO, 0x50), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv50_fifo_context_ctor, + .dtor = nv50_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 +nv50_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nv50_fifo_priv *priv; + int ret; + + ret = nvkm_fifo_create(parent, engine, oclass, 1, 127, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + ret = nvkm_gpuobj_new(nv_object(priv), NULL, 128 * 4, 0x1000, 0, + &priv->playlist[0]); + if (ret) + return ret; + + ret = nvkm_gpuobj_new(nv_object(priv), NULL, 128 * 4, 0x1000, 0, + &priv->playlist[1]); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00000100; + nv_subdev(priv)->intr = nv04_fifo_intr; + nv_engine(priv)->cclass = &nv50_fifo_cclass; + nv_engine(priv)->sclass = nv50_fifo_sclass; + priv->base.pause = nv04_fifo_pause; + priv->base.start = nv04_fifo_start; + return 0; +} + +void +nv50_fifo_dtor(struct nvkm_object *object) +{ + struct nv50_fifo_priv *priv = (void *)object; + + nvkm_gpuobj_ref(NULL, &priv->playlist[1]); + nvkm_gpuobj_ref(NULL, &priv->playlist[0]); + + nvkm_fifo_destroy(&priv->base); +} + +int +nv50_fifo_init(struct nvkm_object *object) +{ + struct nv50_fifo_priv *priv = (void *)object; + int ret, i; + + ret = nvkm_fifo_init(&priv->base); + if (ret) + return ret; + + nv_mask(priv, 0x000200, 0x00000100, 0x00000000); + nv_mask(priv, 0x000200, 0x00000100, 0x00000100); + nv_wr32(priv, 0x00250c, 0x6f3cfc34); + nv_wr32(priv, 0x002044, 0x01003fff); + + nv_wr32(priv, 0x002100, 0xffffffff); + nv_wr32(priv, 0x002140, 0xbfffffff); + + for (i = 0; i < 128; i++) + nv_wr32(priv, 0x002600 + (i * 4), 0x00000000); + nv50_fifo_playlist_update_locked(priv); + + nv_wr32(priv, 0x003200, 0x00000001); + nv_wr32(priv, 0x003250, 0x00000001); + nv_wr32(priv, 0x002500, 0x00000001); + return 0; +} + +struct nvkm_oclass * +nv50_fifo_oclass = &(struct nvkm_oclass) { + .handle = NV_ENGINE(FIFO, 0x50), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv50_fifo_ctor, + .dtor = nv50_fifo_dtor, + .init = nv50_fifo_init, + .fini = _nvkm_fifo_fini, + }, +}; |