1 files changed, 0 insertions, 656 deletions
diff --git a/nvkm/engine/fifo/nv04.c b/nvkm/engine/fifo/nv04.c
deleted file mode 100644
index 6f51ae0da..000000000
--- a/nvkm/engine/fifo/nv04.c
+++ /dev/null
@@ -1,656 +0,0 @@
-/*
- * 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 <core/client.h>
-#include <nvif/unpack.h>
-#include <nvif/class.h>
-#include <core/engctx.h>
-#include <core/namedb.h>
-#include <core/handle.h>
-#include <core/ramht.h>
-#include <core/event.h>
-
-#include <subdev/instmem.h>
-#include <subdev/instmem/nv04.h>
-#include <subdev/timer.h>
-#include <subdev/fb.h>
-
-#include <engine/fifo.h>
-
-#include "nv04.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 nouveau_object *parent,
-			struct nouveau_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 = nouveau_ramht_insert(priv->ramht, chid, handle, context);
-	mutex_unlock(&nv_subdev(priv)->mutex);
-	return ret;
-}
-
-void
-nv04_fifo_object_detach(struct nouveau_object *parent, int cookie)
-{
-	struct nv04_fifo_priv *priv = (void *)parent->engine;
-	mutex_lock(&nv_subdev(priv)->mutex);
-	nouveau_ramht_remove(priv->ramht, cookie);
-	mutex_unlock(&nv_subdev(priv)->mutex);
-}
-
-int
-nv04_fifo_context_attach(struct nouveau_object *parent,
-			 struct nouveau_object *object)
-{
-	nv_engctx(object)->addr = nouveau_fifo_chan(parent)->chid;
-	return 0;
-}
-
-static int
-nv04_fifo_chan_ctor(struct nouveau_object *parent,
-		    struct nouveau_object *engine,
-		    struct nouveau_oclass *oclass, void *data, u32 size,
-		    struct nouveau_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 = nouveau_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 nouveau_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);
-
-	nouveau_fifo_channel_destroy(&chan->base);
-}
-
-int
-nv04_fifo_chan_init(struct nouveau_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 = nouveau_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 nouveau_object *object, bool suspend)
-{
-	struct nv04_fifo_priv *priv = (void *)object->engine;
-	struct nv04_fifo_chan *chan = (void *)object;
-	struct nouveau_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 nouveau_fifo_channel_fini(&chan->base, suspend);
-}
-
-static struct nouveau_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  = _nouveau_fifo_channel_map,
-	.rd32 = _nouveau_fifo_channel_rd32,
-	.wr32 = _nouveau_fifo_channel_wr32,
-	.ntfy = _nouveau_fifo_channel_ntfy
-};
-
-static struct nouveau_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 nouveau_object *parent,
-		       struct nouveau_object *engine,
-		       struct nouveau_oclass *oclass, void *data, u32 size,
-		       struct nouveau_object **pobject)
-{
-	struct nv04_fifo_base *base;
-	int ret;
-
-	ret = nouveau_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 nouveau_oclass
-nv04_fifo_cclass = {
-	.handle = NV_ENGCTX(FIFO, 0x04),
-	.ofuncs = &(struct nouveau_ofuncs) {
-		.ctor = nv04_fifo_context_ctor,
-		.dtor = _nouveau_fifo_context_dtor,
-		.init = _nouveau_fifo_context_init,
-		.fini = _nouveau_fifo_context_fini,
-		.rd32 = _nouveau_fifo_context_rd32,
-		.wr32 = _nouveau_fifo_context_wr32,
-	},
-};
-
-/*******************************************************************************
- * PFIFO engine
- ******************************************************************************/
-
-void
-nv04_fifo_pause(struct nouveau_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 nouveau_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 nouveau_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 = nouveau_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);
-		}
-
-		nouveau_namedb_put(bind);
-		break;
-	default:
-		engine = nv_rd32(priv, NV04_PFIFO_CACHE1_ENGINE);
-		if (unlikely(((engine >> (subc * 4)) & 0xf) != 0))
-			break;
-
-		bind = nouveau_namedb_get(nv_namedb(chan), chan->subc[subc]);
-		if (likely(bind)) {
-			if (!nv_call(bind->object, mthd, data))
-				handled = true;
-			nouveau_namedb_put(bind);
-		}
-		break;
-	}
-
-out:
-	spin_unlock_irqrestore(&priv->base.lock, flags);
-	return handled;
-}
-
-static void
-nv04_fifo_cache_error(struct nouveau_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 =
-			nouveau_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 nouveau_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 = nouveau_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 nouveau_subdev *subdev)
-{
-	struct nouveau_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);
-				nouveau_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 nouveau_object *parent, struct nouveau_object *engine,
-	       struct nouveau_oclass *oclass, void *data, u32 size,
-	       struct nouveau_object **pobject)
-{
-	struct nv04_instmem_priv *imem = nv04_instmem(parent);
-	struct nv04_fifo_priv *priv;
-	int ret;
-
-	ret = nouveau_fifo_create(parent, engine, oclass, 0, 15, &priv);
-	*pobject = nv_object(priv);
-	if (ret)
-		return ret;
-
-	nouveau_ramht_ref(imem->ramht, &priv->ramht);
-	nouveau_gpuobj_ref(imem->ramro, &priv->ramro);
-	nouveau_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 nouveau_object *object)
-{
-	struct nv04_fifo_priv *priv = (void *)object;
-	nouveau_gpuobj_ref(NULL, &priv->ramfc);
-	nouveau_gpuobj_ref(NULL, &priv->ramro);
-	nouveau_ramht_ref(NULL, &priv->ramht);
-	nouveau_fifo_destroy(&priv->base);
-}
-
-int
-nv04_fifo_init(struct nouveau_object *object)
-{
-	struct nv04_fifo_priv *priv = (void *)object;
-	int ret;
-
-	ret = nouveau_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 nouveau_oclass *
-nv04_fifo_oclass = &(struct nouveau_oclass) {
-	.handle = NV_ENGINE(FIFO, 0x04),
-	.ofuncs = &(struct nouveau_ofuncs) {
-		.ctor = nv04_fifo_ctor,
-		.dtor = nv04_fifo_dtor,
-		.init = nv04_fifo_init,
-		.fini = _nouveau_fifo_fini,
-	},
-};