diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c | 650 |
1 files changed, 650 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c new file mode 100644 index 000000000000..b038b6eb51db --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.c @@ -0,0 +1,650 @@ +/* + * 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/device.h> +#include <core/engctx.h> +#include <core/handle.h> +#include <core/ramht.h> +#include <subdev/instmem/nv04.h> +#include <subdev/timer.h> + +#include <nvif/class.h> +#include <nvif/unpack.h> + +static struct ramfc_desc +nv04_ramfc[] = { + { 32, 0, 0x00, 0, NV04_PFIFO_CACHE1_DMA_PUT }, + { 32, 0, 0x04, 0, NV04_PFIFO_CACHE1_DMA_GET }, + { 16, 0, 0x08, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE }, + { 16, 16, 0x08, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT }, + { 32, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_STATE }, + { 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_FETCH }, + { 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_ENGINE }, + { 32, 0, 0x18, 0, NV04_PFIFO_CACHE1_PULL1 }, + {} +}; + +/******************************************************************************* + * FIFO channel objects + ******************************************************************************/ + +int +nv04_fifo_object_attach(struct nvkm_object *parent, + struct nvkm_object *object, u32 handle) +{ + struct nv04_fifo_priv *priv = (void *)parent->engine; + struct nv04_fifo_chan *chan = (void *)parent; + u32 context, chid = chan->base.chid; + int ret; + + if (nv_iclass(object, NV_GPUOBJ_CLASS)) + context = nv_gpuobj(object)->addr >> 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 |= 0x00010000; + break; + case NVDEV_ENGINE_MPEG: + context |= 0x00020000; + break; + default: + return -EINVAL; + } + + context |= 0x80000000; /* valid */ + context |= chid << 24; + + mutex_lock(&nv_subdev(priv)->mutex); + ret = nvkm_ramht_insert(priv->ramht, chid, handle, context); + mutex_unlock(&nv_subdev(priv)->mutex); + return ret; +} + +void +nv04_fifo_object_detach(struct nvkm_object *parent, int cookie) +{ + struct nv04_fifo_priv *priv = (void *)parent->engine; + mutex_lock(&nv_subdev(priv)->mutex); + nvkm_ramht_remove(priv->ramht, cookie); + mutex_unlock(&nv_subdev(priv)->mutex); +} + +int +nv04_fifo_context_attach(struct nvkm_object *parent, + struct nvkm_object *object) +{ + nv_engctx(object)->addr = nvkm_fifo_chan(parent)->chid; + return 0; +} + +static int +nv04_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 + 0x08, chan->base.pushgpu->addr >> 4); + nv_wo32(priv->ramfc, chan->ramfc + 0x10, + 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; +} + +void +nv04_fifo_chan_dtor(struct nvkm_object *object) +{ + struct nv04_fifo_priv *priv = (void *)object->engine; + struct nv04_fifo_chan *chan = (void *)object; + struct ramfc_desc *c = priv->ramfc_desc; + + do { + nv_wo32(priv->ramfc, chan->ramfc + c->ctxp, 0x00000000); + } while ((++c)->bits); + + nvkm_fifo_channel_destroy(&chan->base); +} + +int +nv04_fifo_chan_init(struct nvkm_object *object) +{ + struct nv04_fifo_priv *priv = (void *)object->engine; + struct nv04_fifo_chan *chan = (void *)object; + u32 mask = 1 << chan->base.chid; + unsigned long flags; + int ret; + + ret = nvkm_fifo_channel_init(&chan->base); + if (ret) + return ret; + + spin_lock_irqsave(&priv->base.lock, flags); + nv_mask(priv, NV04_PFIFO_MODE, mask, mask); + spin_unlock_irqrestore(&priv->base.lock, flags); + return 0; +} + +int +nv04_fifo_chan_fini(struct nvkm_object *object, bool suspend) +{ + struct nv04_fifo_priv *priv = (void *)object->engine; + struct nv04_fifo_chan *chan = (void *)object; + struct nvkm_gpuobj *fctx = priv->ramfc; + struct ramfc_desc *c; + unsigned long flags; + u32 data = chan->ramfc; + u32 chid; + + /* prevent fifo context switches */ + spin_lock_irqsave(&priv->base.lock, flags); + nv_wr32(priv, NV03_PFIFO_CACHES, 0); + + /* if this channel is active, replace it with a null context */ + chid = nv_rd32(priv, NV03_PFIFO_CACHE1_PUSH1) & priv->base.max; + if (chid == chan->base.chid) { + nv_mask(priv, NV04_PFIFO_CACHE1_DMA_PUSH, 0x00000001, 0); + nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH0, 0); + nv_mask(priv, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0); + + c = priv->ramfc_desc; + do { + u32 rm = ((1ULL << c->bits) - 1) << c->regs; + u32 cm = ((1ULL << c->bits) - 1) << c->ctxs; + u32 rv = (nv_rd32(priv, c->regp) & rm) >> c->regs; + u32 cv = (nv_ro32(fctx, c->ctxp + data) & ~cm); + nv_wo32(fctx, c->ctxp + data, cv | (rv << c->ctxs)); + } while ((++c)->bits); + + c = priv->ramfc_desc; + do { + nv_wr32(priv, c->regp, 0x00000000); + } while ((++c)->bits); + + nv_wr32(priv, NV03_PFIFO_CACHE1_GET, 0); + nv_wr32(priv, NV03_PFIFO_CACHE1_PUT, 0); + nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH1, priv->base.max); + nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH0, 1); + nv_wr32(priv, NV04_PFIFO_CACHE1_PULL0, 1); + } + + /* restore normal operation, after disabling dma mode */ + nv_mask(priv, NV04_PFIFO_MODE, 1 << chan->base.chid, 0); + nv_wr32(priv, NV03_PFIFO_CACHES, 1); + spin_unlock_irqrestore(&priv->base.lock, flags); + + return nvkm_fifo_channel_fini(&chan->base, suspend); +} + +static struct nvkm_ofuncs +nv04_fifo_ofuncs = { + .ctor = nv04_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 +nv04_fifo_sclass[] = { + { NV03_CHANNEL_DMA, &nv04_fifo_ofuncs }, + {} +}; + +/******************************************************************************* + * FIFO context - basically just the instmem reserved for the channel + ******************************************************************************/ + +int +nv04_fifo_context_ctor(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nv04_fifo_base *base; + int ret; + + ret = nvkm_fifo_context_create(parent, engine, oclass, NULL, 0x1000, + 0x1000, NVOBJ_FLAG_HEAP, &base); + *pobject = nv_object(base); + if (ret) + return ret; + + return 0; +} + +static struct nvkm_oclass +nv04_fifo_cclass = { + .handle = NV_ENGCTX(FIFO, 0x04), + .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 + ******************************************************************************/ + +void +nv04_fifo_pause(struct nvkm_fifo *pfifo, unsigned long *pflags) +__acquires(priv->base.lock) +{ + struct nv04_fifo_priv *priv = (void *)pfifo; + unsigned long flags; + + spin_lock_irqsave(&priv->base.lock, flags); + *pflags = flags; + + nv_wr32(priv, NV03_PFIFO_CACHES, 0x00000000); + nv_mask(priv, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0x00000000); + + /* in some cases the puller may be left in an inconsistent state + * if you try to stop it while it's busy translating handles. + * sometimes you get a CACHE_ERROR, sometimes it just fails + * silently; sending incorrect instance offsets to PGRAPH after + * it's started up again. + * + * to avoid this, we invalidate the most recently calculated + * instance. + */ + if (!nv_wait(priv, NV04_PFIFO_CACHE1_PULL0, + NV04_PFIFO_CACHE1_PULL0_HASH_BUSY, 0x00000000)) + nv_warn(priv, "timeout idling puller\n"); + + if (nv_rd32(priv, NV04_PFIFO_CACHE1_PULL0) & + NV04_PFIFO_CACHE1_PULL0_HASH_FAILED) + nv_wr32(priv, NV03_PFIFO_INTR_0, NV_PFIFO_INTR_CACHE_ERROR); + + nv_wr32(priv, NV04_PFIFO_CACHE1_HASH, 0x00000000); +} + +void +nv04_fifo_start(struct nvkm_fifo *pfifo, unsigned long *pflags) +__releases(priv->base.lock) +{ + struct nv04_fifo_priv *priv = (void *)pfifo; + unsigned long flags = *pflags; + + nv_mask(priv, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0x00000001); + nv_wr32(priv, NV03_PFIFO_CACHES, 0x00000001); + + spin_unlock_irqrestore(&priv->base.lock, flags); +} + +static const char * +nv_dma_state_err(u32 state) +{ + static const char * const desc[] = { + "NONE", "CALL_SUBR_ACTIVE", "INVALID_MTHD", "RET_SUBR_INACTIVE", + "INVALID_CMD", "IB_EMPTY"/* NV50+ */, "MEM_FAULT", "UNK" + }; + return desc[(state >> 29) & 0x7]; +} + +static bool +nv04_fifo_swmthd(struct nv04_fifo_priv *priv, u32 chid, u32 addr, u32 data) +{ + struct nv04_fifo_chan *chan = NULL; + struct nvkm_handle *bind; + const int subc = (addr >> 13) & 0x7; + const int mthd = addr & 0x1ffc; + bool handled = false; + unsigned long flags; + u32 engine; + + spin_lock_irqsave(&priv->base.lock, flags); + if (likely(chid >= priv->base.min && chid <= priv->base.max)) + chan = (void *)priv->base.channel[chid]; + if (unlikely(!chan)) + goto out; + + switch (mthd) { + case 0x0000: + bind = nvkm_namedb_get(nv_namedb(chan), data); + if (unlikely(!bind)) + break; + + if (nv_engidx(bind->object->engine) == NVDEV_ENGINE_SW) { + engine = 0x0000000f << (subc * 4); + chan->subc[subc] = data; + handled = true; + + nv_mask(priv, NV04_PFIFO_CACHE1_ENGINE, engine, 0); + } + + nvkm_namedb_put(bind); + break; + default: + engine = nv_rd32(priv, NV04_PFIFO_CACHE1_ENGINE); + if (unlikely(((engine >> (subc * 4)) & 0xf) != 0)) + break; + + bind = nvkm_namedb_get(nv_namedb(chan), chan->subc[subc]); + if (likely(bind)) { + if (!nv_call(bind->object, mthd, data)) + handled = true; + nvkm_namedb_put(bind); + } + break; + } + +out: + spin_unlock_irqrestore(&priv->base.lock, flags); + return handled; +} + +static void +nv04_fifo_cache_error(struct nvkm_device *device, + struct nv04_fifo_priv *priv, u32 chid, u32 get) +{ + u32 mthd, data; + int ptr; + + /* NV_PFIFO_CACHE1_GET actually goes to 0xffc before wrapping on my + * G80 chips, but CACHE1 isn't big enough for this much data.. Tests + * show that it wraps around to the start at GET=0x800.. No clue as to + * why.. + */ + ptr = (get & 0x7ff) >> 2; + + if (device->card_type < NV_40) { + mthd = nv_rd32(priv, NV04_PFIFO_CACHE1_METHOD(ptr)); + data = nv_rd32(priv, NV04_PFIFO_CACHE1_DATA(ptr)); + } else { + mthd = nv_rd32(priv, NV40_PFIFO_CACHE1_METHOD(ptr)); + data = nv_rd32(priv, NV40_PFIFO_CACHE1_DATA(ptr)); + } + + if (!nv04_fifo_swmthd(priv, chid, mthd, data)) { + const char *client_name = + nvkm_client_name_for_fifo_chid(&priv->base, chid); + nv_error(priv, + "CACHE_ERROR - ch %d [%s] subc %d mthd 0x%04x data 0x%08x\n", + chid, client_name, (mthd >> 13) & 7, mthd & 0x1ffc, + data); + } + + nv_wr32(priv, NV04_PFIFO_CACHE1_DMA_PUSH, 0); + nv_wr32(priv, NV03_PFIFO_INTR_0, NV_PFIFO_INTR_CACHE_ERROR); + + nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH0, + nv_rd32(priv, NV03_PFIFO_CACHE1_PUSH0) & ~1); + nv_wr32(priv, NV03_PFIFO_CACHE1_GET, get + 4); + nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH0, + nv_rd32(priv, NV03_PFIFO_CACHE1_PUSH0) | 1); + nv_wr32(priv, NV04_PFIFO_CACHE1_HASH, 0); + + nv_wr32(priv, NV04_PFIFO_CACHE1_DMA_PUSH, + nv_rd32(priv, NV04_PFIFO_CACHE1_DMA_PUSH) | 1); + nv_wr32(priv, NV04_PFIFO_CACHE1_PULL0, 1); +} + +static void +nv04_fifo_dma_pusher(struct nvkm_device *device, + struct nv04_fifo_priv *priv, u32 chid) +{ + const char *client_name; + u32 dma_get = nv_rd32(priv, 0x003244); + u32 dma_put = nv_rd32(priv, 0x003240); + u32 push = nv_rd32(priv, 0x003220); + u32 state = nv_rd32(priv, 0x003228); + + client_name = nvkm_client_name_for_fifo_chid(&priv->base, chid); + + if (device->card_type == NV_50) { + u32 ho_get = nv_rd32(priv, 0x003328); + u32 ho_put = nv_rd32(priv, 0x003320); + u32 ib_get = nv_rd32(priv, 0x003334); + u32 ib_put = nv_rd32(priv, 0x003330); + + nv_error(priv, + "DMA_PUSHER - ch %d [%s] get 0x%02x%08x put 0x%02x%08x ib_get 0x%08x ib_put 0x%08x state 0x%08x (err: %s) push 0x%08x\n", + chid, client_name, ho_get, dma_get, ho_put, dma_put, + ib_get, ib_put, state, nv_dma_state_err(state), push); + + /* METHOD_COUNT, in DMA_STATE on earlier chipsets */ + nv_wr32(priv, 0x003364, 0x00000000); + if (dma_get != dma_put || ho_get != ho_put) { + nv_wr32(priv, 0x003244, dma_put); + nv_wr32(priv, 0x003328, ho_put); + } else + if (ib_get != ib_put) + nv_wr32(priv, 0x003334, ib_put); + } else { + nv_error(priv, + "DMA_PUSHER - ch %d [%s] get 0x%08x put 0x%08x state 0x%08x (err: %s) push 0x%08x\n", + chid, client_name, dma_get, dma_put, state, + nv_dma_state_err(state), push); + + if (dma_get != dma_put) + nv_wr32(priv, 0x003244, dma_put); + } + + nv_wr32(priv, 0x003228, 0x00000000); + nv_wr32(priv, 0x003220, 0x00000001); + nv_wr32(priv, 0x002100, NV_PFIFO_INTR_DMA_PUSHER); +} + +void +nv04_fifo_intr(struct nvkm_subdev *subdev) +{ + struct nvkm_device *device = nv_device(subdev); + struct nv04_fifo_priv *priv = (void *)subdev; + uint32_t status, reassign; + int cnt = 0; + + reassign = nv_rd32(priv, NV03_PFIFO_CACHES) & 1; + while ((status = nv_rd32(priv, NV03_PFIFO_INTR_0)) && (cnt++ < 100)) { + uint32_t chid, get; + + nv_wr32(priv, NV03_PFIFO_CACHES, 0); + + chid = nv_rd32(priv, NV03_PFIFO_CACHE1_PUSH1) & priv->base.max; + get = nv_rd32(priv, NV03_PFIFO_CACHE1_GET); + + if (status & NV_PFIFO_INTR_CACHE_ERROR) { + nv04_fifo_cache_error(device, priv, chid, get); + status &= ~NV_PFIFO_INTR_CACHE_ERROR; + } + + if (status & NV_PFIFO_INTR_DMA_PUSHER) { + nv04_fifo_dma_pusher(device, priv, chid); + status &= ~NV_PFIFO_INTR_DMA_PUSHER; + } + + if (status & NV_PFIFO_INTR_SEMAPHORE) { + uint32_t sem; + + status &= ~NV_PFIFO_INTR_SEMAPHORE; + nv_wr32(priv, NV03_PFIFO_INTR_0, + NV_PFIFO_INTR_SEMAPHORE); + + sem = nv_rd32(priv, NV10_PFIFO_CACHE1_SEMAPHORE); + nv_wr32(priv, NV10_PFIFO_CACHE1_SEMAPHORE, sem | 0x1); + + nv_wr32(priv, NV03_PFIFO_CACHE1_GET, get + 4); + nv_wr32(priv, NV04_PFIFO_CACHE1_PULL0, 1); + } + + if (device->card_type == NV_50) { + if (status & 0x00000010) { + status &= ~0x00000010; + nv_wr32(priv, 0x002100, 0x00000010); + } + + if (status & 0x40000000) { + nv_wr32(priv, 0x002100, 0x40000000); + nvkm_fifo_uevent(&priv->base); + status &= ~0x40000000; + } + } + + if (status) { + nv_warn(priv, "unknown intr 0x%08x, ch %d\n", + status, chid); + nv_wr32(priv, NV03_PFIFO_INTR_0, status); + status = 0; + } + + nv_wr32(priv, NV03_PFIFO_CACHES, reassign); + } + + if (status) { + nv_error(priv, "still angry after %d spins, halt\n", cnt); + nv_wr32(priv, 0x002140, 0); + nv_wr32(priv, 0x000140, 0); + } + + nv_wr32(priv, 0x000100, 0x00000100); +} + +static int +nv04_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, 15, &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 = &nv04_fifo_cclass; + nv_engine(priv)->sclass = nv04_fifo_sclass; + priv->base.pause = nv04_fifo_pause; + priv->base.start = nv04_fifo_start; + priv->ramfc_desc = nv04_ramfc; + return 0; +} + +void +nv04_fifo_dtor(struct nvkm_object *object) +{ + struct nv04_fifo_priv *priv = (void *)object; + nvkm_gpuobj_ref(NULL, &priv->ramfc); + nvkm_gpuobj_ref(NULL, &priv->ramro); + nvkm_ramht_ref(NULL, &priv->ramht); + nvkm_fifo_destroy(&priv->base); +} + +int +nv04_fifo_init(struct nvkm_object *object) +{ + struct nv04_fifo_priv *priv = (void *)object; + int ret; + + ret = nvkm_fifo_init(&priv->base); + if (ret) + return ret; + + nv_wr32(priv, NV04_PFIFO_DELAY_0, 0x000000ff); + nv_wr32(priv, NV04_PFIFO_DMA_TIMESLICE, 0x0101ffff); + + nv_wr32(priv, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ | + ((priv->ramht->bits - 9) << 16) | + (priv->ramht->gpuobj.addr >> 8)); + nv_wr32(priv, NV03_PFIFO_RAMRO, priv->ramro->addr >> 8); + nv_wr32(priv, NV03_PFIFO_RAMFC, priv->ramfc->addr >> 8); + + nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH1, priv->base.max); + + nv_wr32(priv, NV03_PFIFO_INTR_0, 0xffffffff); + nv_wr32(priv, NV03_PFIFO_INTR_EN_0, 0xffffffff); + + nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH0, 1); + nv_wr32(priv, NV04_PFIFO_CACHE1_PULL0, 1); + nv_wr32(priv, NV03_PFIFO_CACHES, 1); + return 0; +} + +struct nvkm_oclass * +nv04_fifo_oclass = &(struct nvkm_oclass) { + .handle = NV_ENGINE(FIFO, 0x04), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv04_fifo_ctor, + .dtor = nv04_fifo_dtor, + .init = nv04_fifo_init, + .fini = _nvkm_fifo_fini, + }, +}; |