1 files changed, 368 insertions, 226 deletions

diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
index 0b356f1b6864..aaff086dfd2a 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010 Red Hat Inc.
+ * 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"),
@@ -22,25 +22,30 @@
  * Authors: Ben Skeggs
  */
 
-#include "drmP.h"
+#include <core/client.h>
+#include <core/handle.h>
+#include <core/namedb.h>
+#include <core/gpuobj.h>
+#include <core/engctx.h>
+#include <core/class.h>
+#include <core/math.h>
+#include <core/enum.h>
 
-#include "nouveau_drv.h"
-#include <core/mm.h>
-#include <engine/fifo.h>
-#include "nouveau_software.h"
-
-#define NVE0_FIFO_ENGINE_NUM 32
+#include <subdev/timer.h>
+#include <subdev/bar.h>
+#include <subdev/vm.h>
 
-static void nve0_fifo_isr(struct drm_device *);
+#include <engine/dmaobj.h>
+#include <engine/fifo.h>
 
-struct nve0_fifo_engine {
+struct nve0_fifo_engn {
 	struct nouveau_gpuobj *playlist[2];
 	int cur_playlist;
 };
 
 struct nve0_fifo_priv {
-	struct nouveau_fifo_priv base;
-	struct nve0_fifo_engine engine[NVE0_FIFO_ENGINE_NUM];
+	struct nouveau_fifo base;
+	struct nve0_fifo_engn engine[16];
 	struct {
 		struct nouveau_gpuobj *mem;
 		struct nouveau_vma bar;
@@ -48,194 +53,286 @@ struct nve0_fifo_priv {
 	int spoon_nr;
 };
 
+struct nve0_fifo_base {
+	struct nouveau_fifo_base base;
+	struct nouveau_gpuobj *pgd;
+	struct nouveau_vm *vm;
+};
+
 struct nve0_fifo_chan {
 	struct nouveau_fifo_chan base;
 	u32 engine;
 };
 
+/*******************************************************************************
+ * FIFO channel objects
+ ******************************************************************************/
+
 static void
-nve0_fifo_playlist_update(struct drm_device *dev, u32 engine)
+nve0_fifo_playlist_update(struct nve0_fifo_priv *priv, u32 engine)
 {
-	struct nve0_fifo_priv *priv = nv_engine(dev, NVOBJ_ENGINE_FIFO);
-	struct nve0_fifo_engine *peng = &priv->engine[engine];
+	struct nouveau_bar *bar = nouveau_bar(priv);
+	struct nve0_fifo_engn *engn = &priv->engine[engine];
 	struct nouveau_gpuobj *cur;
 	u32 match = (engine << 16) | 0x00000001;
-	int ret, i, p;
+	int i, p;
 
-	cur = peng->playlist[peng->cur_playlist];
+	cur = engn->playlist[engn->cur_playlist];
 	if (unlikely(cur == NULL)) {
-		ret = nouveau_gpuobj_new(dev, NULL, 0x8000, 0x1000, 0, &cur);
+		int ret = nouveau_gpuobj_new(nv_object(priv)->parent, NULL,
+					     0x8000, 0x1000, 0, &cur);
 		if (ret) {
-			NV_ERROR(dev, "PFIFO: playlist alloc failed\n");
+			nv_error(priv, "playlist alloc failed\n");
 			return;
 		}
 
-		peng->playlist[peng->cur_playlist] = cur;
+		engn->playlist[engn->cur_playlist] = cur;
 	}
 
-	peng->cur_playlist = !peng->cur_playlist;
+	engn->cur_playlist = !engn->cur_playlist;
 
-	for (i = 0, p = 0; i < priv->base.channels; i++) {
-		u32 ctrl = nv_rd32(dev, 0x800004 + (i * 8)) & 0x001f0001;
+	for (i = 0, p = 0; i < priv->base.max; i++) {
+		u32 ctrl = nv_rd32(priv, 0x800004 + (i * 8)) & 0x001f0001;
 		if (ctrl != match)
 			continue;
 		nv_wo32(cur, p + 0, i);
 		nv_wo32(cur, p + 4, 0x00000000);
 		p += 8;
 	}
-	nvimem_flush(dev);
+	bar->flush(bar);
 
-	nv_wr32(dev, 0x002270, cur->addr >> 12);
-	nv_wr32(dev, 0x002274, (engine << 20) | (p >> 3));
-	if (!nv_wait(dev, 0x002284 + (engine * 4), 0x00100000, 0x00000000))
-		NV_ERROR(dev, "PFIFO: playlist %d update timeout\n", engine);
+	nv_wr32(priv, 0x002270, cur->addr >> 12);
+	nv_wr32(priv, 0x002274, (engine << 20) | (p >> 3));
+	if (!nv_wait(priv, 0x002284 + (engine * 4), 0x00100000, 0x00000000))
+		nv_error(priv, "playlist %d update timeout\n", engine);
 }
 
 static int
-nve0_fifo_context_new(struct nouveau_channel *chan, int engine)
+nve0_fifo_context_attach(struct nouveau_object *parent,
+			 struct nouveau_object *object)
 {
-	struct drm_device *dev = chan->dev;
-	struct nve0_fifo_priv *priv = nv_engine(dev, engine);
-	struct nve0_fifo_chan *fctx;
-	u64 usermem = priv->user.mem->addr + chan->id * 512;
-	u64 ib_virt = chan->pushbuf_base + chan->dma.ib_base * 4;
-	int ret = 0, i;
-
-	fctx = chan->engctx[engine] = kzalloc(sizeof(*fctx), GFP_KERNEL);
-	if (!fctx)
-		return -ENOMEM;
-
-	fctx->engine = 0; /* PGRAPH */
-
-	/* allocate vram for control regs, map into polling area */
-	chan->user = ioremap_wc(pci_resource_start(dev->pdev, 1) +
-				priv->user.bar.offset + (chan->id * 512), 512);
-	if (!chan->user) {
-		ret = -ENOMEM;
-		goto error;
+	struct nouveau_bar *bar = nouveau_bar(parent);
+	struct nve0_fifo_base *base = (void *)parent->parent;
+	struct nouveau_engctx *ectx = (void *)object;
+	u32 addr;
+	int ret;
+
+	switch (nv_engidx(object->engine)) {
+	case NVDEV_ENGINE_SW   : return 0;
+	case NVDEV_ENGINE_GR   : addr = 0x0210; break;
+	default:
+		return -EINVAL;
 	}
 
-	for (i = 0; i < 0x100; i += 4)
-		nv_wo32(chan->ramin, i, 0x00000000);
-	nv_wo32(chan->ramin, 0x08, lower_32_bits(usermem));
-	nv_wo32(chan->ramin, 0x0c, upper_32_bits(usermem));
-	nv_wo32(chan->ramin, 0x10, 0x0000face);
-	nv_wo32(chan->ramin, 0x30, 0xfffff902);
-	nv_wo32(chan->ramin, 0x48, lower_32_bits(ib_virt));
-	nv_wo32(chan->ramin, 0x4c, drm_order(chan->dma.ib_max + 1) << 16 |
-				     upper_32_bits(ib_virt));
-	nv_wo32(chan->ramin, 0x84, 0x20400000);
-	nv_wo32(chan->ramin, 0x94, 0x30000001);
-	nv_wo32(chan->ramin, 0x9c, 0x00000100);
-	nv_wo32(chan->ramin, 0xac, 0x0000001f);
-	nv_wo32(chan->ramin, 0xe4, 0x00000000);
-	nv_wo32(chan->ramin, 0xe8, chan->id);
-	nv_wo32(chan->ramin, 0xf8, 0x10003080); /* 0x002310 */
-	nv_wo32(chan->ramin, 0xfc, 0x10000010); /* 0x002350 */
-	nvimem_flush(dev);
-
-	nv_wr32(dev, 0x800000 + (chan->id * 8), 0x80000000 |
-						(chan->ramin->addr >> 12));
-	nv_mask(dev, 0x800004 + (chan->id * 8), 0x00000400, 0x00000400);
-	nve0_fifo_playlist_update(dev, fctx->engine);
-	nv_mask(dev, 0x800004 + (chan->id * 8), 0x00000400, 0x00000400);
-
-error:
-	if (ret)
-		priv->base.base.context_del(chan, engine);
-	return ret;
+	if (!ectx->vma.node) {
+		ret = nouveau_gpuobj_map_vm(nv_gpuobj(ectx), base->vm,
+					    NV_MEM_ACCESS_RW, &ectx->vma);
+		if (ret)
+			return ret;
+	}
+
+	nv_wo32(base, addr + 0x00, lower_32_bits(ectx->vma.offset) | 4);
+	nv_wo32(base, addr + 0x04, upper_32_bits(ectx->vma.offset));
+	bar->flush(bar);
+	return 0;
 }
 
-static void
-nve0_fifo_context_del(struct nouveau_channel *chan, int engine)
+static int
+nve0_fifo_context_detach(struct nouveau_object *parent, bool suspend,
+			 struct nouveau_object *object)
 {
-	struct nve0_fifo_chan *fctx = chan->engctx[engine];
-	struct drm_device *dev = chan->dev;
-
-	nv_mask(dev, 0x800004 + (chan->id * 8), 0x00000800, 0x00000800);
-	nv_wr32(dev, 0x002634, chan->id);
-	if (!nv_wait(dev, 0x0002634, 0xffffffff, chan->id))
-		NV_WARN(dev, "0x2634 != chid: 0x%08x\n", nv_rd32(dev, 0x2634));
-	nve0_fifo_playlist_update(dev, fctx->engine);
-	nv_wr32(dev, 0x800000 + (chan->id * 8), 0x00000000);
-
-	if (chan->user) {
-		iounmap(chan->user);
-		chan->user = NULL;
+	struct nouveau_bar *bar = nouveau_bar(parent);
+	struct nve0_fifo_priv *priv = (void *)parent->engine;
+	struct nve0_fifo_base *base = (void *)parent->parent;
+	struct nve0_fifo_chan *chan = (void *)parent;
+	u32 addr;
+
+	switch (nv_engidx(object->engine)) {
+	case NVDEV_ENGINE_SW   : return 0;
+	case NVDEV_ENGINE_GR   : addr = 0x0210; break;
+	default:
+		return -EINVAL;
+	}
+
+	nv_wo32(base, addr + 0x00, 0x00000000);
+	nv_wo32(base, addr + 0x04, 0x00000000);
+	bar->flush(bar);
+
+	nv_wr32(priv, 0x002634, chan->base.chid);
+	if (!nv_wait(priv, 0x002634, 0xffffffff, chan->base.chid)) {
+		nv_error(priv, "channel %d kick timeout\n", chan->base.chid);
+		if (suspend)
+			return -EBUSY;
 	}
 
-	chan->engctx[NVOBJ_ENGINE_FIFO] = NULL;
-	kfree(fctx);
+	return 0;
 }
 
 static int
-nve0_fifo_init(struct drm_device *dev, int engine)
+nve0_fifo_chan_ctor(struct nouveau_object *parent,
+		    struct nouveau_object *engine,
+		    struct nouveau_oclass *oclass, void *data, u32 size,
+		    struct nouveau_object **pobject)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nve0_fifo_priv *priv = nv_engine(dev, engine);
-	struct nve0_fifo_chan *fctx;
-	int i;
+	struct nouveau_bar *bar = nouveau_bar(parent);
+	struct nve0_fifo_priv *priv = (void *)engine;
+	struct nve0_fifo_base *base = (void *)parent;
+	struct nve0_fifo_chan *chan;
+	struct nv_channel_ind_class *args = data;
+	u64 usermem, ioffset, ilength;
+	int ret, i;
+
+	if (size < sizeof(*args))
+		return -EINVAL;
+
+	ret = nouveau_fifo_channel_create(parent, engine, oclass, 1,
+					  priv->user.bar.offset, 0x200,
+					  args->pushbuf,
+					  (1 << NVDEV_ENGINE_SW) |
+					  (1 << NVDEV_ENGINE_GR), &chan);
+	*pobject = nv_object(chan);
+	if (ret)
+		return ret;
+
+	nv_parent(chan)->context_attach = nve0_fifo_context_attach;
+	nv_parent(chan)->context_detach = nve0_fifo_context_detach;
+
+	usermem = chan->base.chid * 0x200;
+	ioffset = args->ioffset;
+	ilength = log2i(args->ilength / 8);
+
+	for (i = 0; i < 0x200; i += 4)
+		nv_wo32(priv->user.mem, usermem + i, 0x00000000);
+
+	nv_wo32(base, 0x08, lower_32_bits(priv->user.mem->addr + usermem));
+	nv_wo32(base, 0x0c, upper_32_bits(priv->user.mem->addr + usermem));
+	nv_wo32(base, 0x10, 0x0000face);
+	nv_wo32(base, 0x30, 0xfffff902);
+	nv_wo32(base, 0x48, lower_32_bits(ioffset));
+	nv_wo32(base, 0x4c, upper_32_bits(ioffset) | (ilength << 16));
+	nv_wo32(base, 0x84, 0x20400000);
+	nv_wo32(base, 0x94, 0x30000001);
+	nv_wo32(base, 0x9c, 0x00000100);
+	nv_wo32(base, 0xac, 0x0000001f);
+	nv_wo32(base, 0xe8, chan->base.chid);
+	nv_wo32(base, 0xb8, 0xf8000000);
+	nv_wo32(base, 0xf8, 0x10003080); /* 0x002310 */
+	nv_wo32(base, 0xfc, 0x10000010); /* 0x002350 */
+	bar->flush(bar);
+	return 0;
+}
 
-	/* reset PFIFO, enable all available PSUBFIFO areas */
-	nv_mask(dev, 0x000200, 0x00000100, 0x00000000);
-	nv_mask(dev, 0x000200, 0x00000100, 0x00000100);
-	nv_wr32(dev, 0x000204, 0xffffffff);
+static int
+nve0_fifo_chan_init(struct nouveau_object *object)
+{
+	struct nouveau_gpuobj *base = nv_gpuobj(object->parent);
+	struct nve0_fifo_priv *priv = (void *)object->engine;
+	struct nve0_fifo_chan *chan = (void *)object;
+	u32 chid = chan->base.chid;
+	int ret;
 
-	priv->spoon_nr = hweight32(nv_rd32(dev, 0x000204));
-	NV_DEBUG(dev, "PFIFO: %d subfifo(s)\n", priv->spoon_nr);
+	ret = nouveau_fifo_channel_init(&chan->base);
+	if (ret)
+		return ret;
 
-	/* PSUBFIFO[n] */
-	for (i = 0; i < priv->spoon_nr; i++) {
-		nv_mask(dev, 0x04013c + (i * 0x2000), 0x10000100, 0x00000000);
-		nv_wr32(dev, 0x040108 + (i * 0x2000), 0xffffffff); /* INTR */
-		nv_wr32(dev, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTR_EN */
-	}
+	nv_wr32(priv, 0x800000 + (chid * 8), 0x80000000 | base->addr >> 12);
+	nv_mask(priv, 0x800004 + (chid * 8), 0x00000400, 0x00000400);
+	nve0_fifo_playlist_update(priv, chan->engine);
+	nv_mask(priv, 0x800004 + (chid * 8), 0x00000400, 0x00000400);
+	return 0;
+}
 
-	nv_wr32(dev, 0x002254, 0x10000000 | priv->user.bar.offset >> 12);
+static int
+nve0_fifo_chan_fini(struct nouveau_object *object, bool suspend)
+{
+	struct nve0_fifo_priv *priv = (void *)object->engine;
+	struct nve0_fifo_chan *chan = (void *)object;
+	u32 chid = chan->base.chid;
 
-	nv_wr32(dev, 0x002a00, 0xffffffff);
-	nv_wr32(dev, 0x002100, 0xffffffff);
-	nv_wr32(dev, 0x002140, 0xbfffffff);
+	nv_mask(priv, 0x800004 + (chid * 8), 0x00000800, 0x00000800);
+	nve0_fifo_playlist_update(priv, chan->engine);
+	nv_wr32(priv, 0x800000 + (chid * 8), 0x00000000);
 
-	/* restore PFIFO context table */
-	for (i = 0; i < priv->base.channels; i++) {
-		struct nouveau_channel *chan = dev_priv->channels.ptr[i];
-		if (!chan || !(fctx = chan->engctx[engine]))
-			continue;
+	return nouveau_fifo_channel_fini(&chan->base, suspend);
+}
 
-		nv_wr32(dev, 0x800000 + (i * 8), 0x80000000 |
-						 (chan->ramin->addr >> 12));
-		nv_mask(dev, 0x800004 + (i * 8), 0x00000400, 0x00000400);
-		nve0_fifo_playlist_update(dev, fctx->engine);
-		nv_mask(dev, 0x800004 + (i * 8), 0x00000400, 0x00000400);
-	}
+static struct nouveau_ofuncs
+nve0_fifo_ofuncs = {
+	.ctor = nve0_fifo_chan_ctor,
+	.dtor = _nouveau_fifo_channel_dtor,
+	.init = nve0_fifo_chan_init,
+	.fini = nve0_fifo_chan_fini,
+	.rd32 = _nouveau_fifo_channel_rd32,
+	.wr32 = _nouveau_fifo_channel_wr32,
+};
 
-	return 0;
-}
+static struct nouveau_oclass
+nve0_fifo_sclass[] = {
+	{ 0xa06f, &nve0_fifo_ofuncs },
+	{}
+};
+
+/*******************************************************************************
+ * FIFO context - instmem heap and vm setup
+ ******************************************************************************/
 
 static int
-nve0_fifo_fini(struct drm_device *dev, int engine, bool suspend)
+nve0_fifo_context_ctor(struct nouveau_object *parent,
+		    struct nouveau_object *engine,
+		    struct nouveau_oclass *oclass, void *data, u32 size,
+		    struct nouveau_object **pobject)
 {
-	struct nve0_fifo_priv *priv = nv_engine(dev, engine);
-	int i;
+	struct nve0_fifo_base *base;
+	int ret;
 
-	for (i = 0; i < priv->base.channels; i++) {
-		if (!(nv_rd32(dev, 0x800004 + (i * 8)) & 1))
-			continue;
+	ret = nouveau_fifo_context_create(parent, engine, oclass, NULL, 0x1000,
+				          0x1000, NVOBJ_FLAG_ZERO_ALLOC, &base);
+	*pobject = nv_object(base);
+	if (ret)
+		return ret;
 
-		nv_mask(dev, 0x800004 + (i * 8), 0x00000800, 0x00000800);
-		nv_wr32(dev, 0x002634, i);
-		if (!nv_wait(dev, 0x002634, 0xffffffff, i)) {
-			NV_INFO(dev, "PFIFO: kick ch %d failed: 0x%08x\n",
-				i, nv_rd32(dev, 0x002634));
-			return -EBUSY;
-		}
-	}
+	ret = nouveau_gpuobj_new(parent, NULL, 0x10000, 0x1000, 0, &base->pgd);
+	if (ret)
+		return ret;
+
+	nv_wo32(base, 0x0200, lower_32_bits(base->pgd->addr));
+	nv_wo32(base, 0x0204, upper_32_bits(base->pgd->addr));
+	nv_wo32(base, 0x0208, 0xffffffff);
+	nv_wo32(base, 0x020c, 0x000000ff);
+
+	ret = nouveau_vm_ref(nouveau_client(parent)->vm, &base->vm, base->pgd);
+	if (ret)
+		return ret;
 
-	nv_wr32(dev, 0x002140, 0x00000000);
 	return 0;
 }
 
+static void
+nve0_fifo_context_dtor(struct nouveau_object *object)
+{
+	struct nve0_fifo_base *base = (void *)object;
+	nouveau_vm_ref(NULL, &base->vm, base->pgd);
+	nouveau_gpuobj_ref(NULL, &base->pgd);
+	nouveau_fifo_context_destroy(&base->base);
+}
+
+static struct nouveau_oclass
+nve0_fifo_cclass = {
+	.handle = NV_ENGCTX(FIFO, 0xe0),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nve0_fifo_context_ctor,
+		.dtor = nve0_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
+ ******************************************************************************/
+
 struct nouveau_enum nve0_fifo_fault_unit[] = {
 	{}
 };
@@ -268,16 +365,16 @@ struct nouveau_bitfield nve0_fifo_subfifo_intr[] = {
 };
 
 static void
-nve0_fifo_isr_vm_fault(struct drm_device *dev, int unit)
+nve0_fifo_isr_vm_fault(struct nve0_fifo_priv *priv, int unit)
 {
-	u32 inst = nv_rd32(dev, 0x2800 + (unit * 0x10));
-	u32 valo = nv_rd32(dev, 0x2804 + (unit * 0x10));
-	u32 vahi = nv_rd32(dev, 0x2808 + (unit * 0x10));
-	u32 stat = nv_rd32(dev, 0x280c + (unit * 0x10));
+	u32 inst = nv_rd32(priv, 0x2800 + (unit * 0x10));
+	u32 valo = nv_rd32(priv, 0x2804 + (unit * 0x10));
+	u32 vahi = nv_rd32(priv, 0x2808 + (unit * 0x10));
+	u32 stat = nv_rd32(priv, 0x280c + (unit * 0x10));
 	u32 client = (stat & 0x00001f00) >> 8;
 
-	NV_INFO(dev, "PFIFO: %s fault at 0x%010llx [",
-		(stat & 0x00000080) ? "write" : "read", (u64)vahi << 32 | valo);
+	nv_error(priv, "PFIFO: %s fault at 0x%010llx [", (stat & 0x00000080) ?
+		       "write" : "read", (u64)vahi << 32 | valo);
 	nouveau_enum_print(nve0_fifo_fault_reason, stat & 0x0000000f);
 	printk("] from ");
 	nouveau_enum_print(nve0_fifo_fault_unit, unit);
@@ -292,160 +389,205 @@ nve0_fifo_isr_vm_fault(struct drm_device *dev, int unit)
 }
 
 static int
-nve0_fifo_page_flip(struct drm_device *dev, u32 chid)
+nve0_fifo_swmthd(struct nve0_fifo_priv *priv, u32 chid, u32 mthd, u32 data)
 {
-	struct nve0_fifo_priv *priv = nv_engine(dev, NVOBJ_ENGINE_FIFO);
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_channel *chan = NULL;
+	struct nve0_fifo_chan *chan = NULL;
+	struct nouveau_handle *bind;
 	unsigned long flags;
 	int ret = -EINVAL;
 
-	spin_lock_irqsave(&dev_priv->channels.lock, flags);
-	if (likely(chid >= 0 && chid < priv->base.channels)) {
-		chan = dev_priv->channels.ptr[chid];
-		if (likely(chan)) {
-			struct nouveau_software_chan *swch =
-				chan->engctx[NVOBJ_ENGINE_SW];
-			ret = swch->flip(swch->flip_data);
-		}
+	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;
+
+	bind = nouveau_namedb_get_class(nv_namedb(chan), 0x906e);
+	if (likely(bind)) {
+		if (!mthd || !nv_call(bind->object, mthd, data))
+			ret = 0;
+		nouveau_namedb_put(bind);
 	}
-	spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
+
+out:
+	spin_unlock_irqrestore(&priv->base.lock, flags);
 	return ret;
 }
 
 static void
-nve0_fifo_isr_subfifo_intr(struct drm_device *dev, int unit)
+nve0_fifo_isr_subfifo_intr(struct nve0_fifo_priv *priv, int unit)
 {
-	u32 stat = nv_rd32(dev, 0x040108 + (unit * 0x2000));
-	u32 addr = nv_rd32(dev, 0x0400c0 + (unit * 0x2000));
-	u32 data = nv_rd32(dev, 0x0400c4 + (unit * 0x2000));
-	u32 chid = nv_rd32(dev, 0x040120 + (unit * 0x2000)) & 0xfff;
-	u32 subc = (addr & 0x00070000);
+	u32 stat = nv_rd32(priv, 0x040108 + (unit * 0x2000));
+	u32 addr = nv_rd32(priv, 0x0400c0 + (unit * 0x2000));
+	u32 data = nv_rd32(priv, 0x0400c4 + (unit * 0x2000));
+	u32 chid = nv_rd32(priv, 0x040120 + (unit * 0x2000)) & 0xfff;
+	u32 subc = (addr & 0x00070000) >> 16;
 	u32 mthd = (addr & 0x00003ffc);
 	u32 show = stat;
 
 	if (stat & 0x00200000) {
 		if (mthd == 0x0054) {
-			if (!nve0_fifo_page_flip(dev, chid))
+			if (!nve0_fifo_swmthd(priv, chid, 0x0500, 0x00000000))
 				show &= ~0x00200000;
 		}
 	}
 
+	if (stat & 0x00800000) {
+		if (!nve0_fifo_swmthd(priv, chid, mthd, data))
+			show &= ~0x00800000;
+	}
+
 	if (show) {
-		NV_INFO(dev, "PFIFO%d:", unit);
+		nv_error(priv, "SUBFIFO%d:", unit);
 		nouveau_bitfield_print(nve0_fifo_subfifo_intr, show);
-		NV_INFO(dev, "PFIFO%d: ch %d subc %d mthd 0x%04x data 0x%08x\n",
-			unit, chid, subc, mthd, data);
+		printk("\n");
+		nv_error(priv, "SUBFIFO%d: ch %d subc %d mthd 0x%04x "
+			       "data 0x%08x\n",
+			 unit, chid, subc, mthd, data);
 	}
 
-	nv_wr32(dev, 0x0400c0 + (unit * 0x2000), 0x80600008);
-	nv_wr32(dev, 0x040108 + (unit * 0x2000), stat);
+	nv_wr32(priv, 0x0400c0 + (unit * 0x2000), 0x80600008);
+	nv_wr32(priv, 0x040108 + (unit * 0x2000), stat);
 }
 
 static void
-nve0_fifo_isr(struct drm_device *dev)
+nve0_fifo_intr(struct nouveau_subdev *subdev)
 {
-	u32 mask = nv_rd32(dev, 0x002140);
-	u32 stat = nv_rd32(dev, 0x002100) & mask;
+	struct nve0_fifo_priv *priv = (void *)subdev;
+	u32 mask = nv_rd32(priv, 0x002140);
+	u32 stat = nv_rd32(priv, 0x002100) & mask;
 
 	if (stat & 0x00000100) {
-		NV_INFO(dev, "PFIFO: unknown status 0x00000100\n");
-		nv_wr32(dev, 0x002100, 0x00000100);
+		nv_warn(priv, "unknown status 0x00000100\n");
+		nv_wr32(priv, 0x002100, 0x00000100);
 		stat &= ~0x00000100;
 	}
 
 	if (stat & 0x10000000) {
-		u32 units = nv_rd32(dev, 0x00259c);
+		u32 units = nv_rd32(priv, 0x00259c);
 		u32 u = units;
 
 		while (u) {
 			int i = ffs(u) - 1;
-			nve0_fifo_isr_vm_fault(dev, i);
+			nve0_fifo_isr_vm_fault(priv, i);
 			u &= ~(1 << i);
 		}
 
-		nv_wr32(dev, 0x00259c, units);
+		nv_wr32(priv, 0x00259c, units);
 		stat &= ~0x10000000;
 	}
 
 	if (stat & 0x20000000) {
-		u32 units = nv_rd32(dev, 0x0025a0);
+		u32 units = nv_rd32(priv, 0x0025a0);
 		u32 u = units;
 
 		while (u) {
 			int i = ffs(u) - 1;
-			nve0_fifo_isr_subfifo_intr(dev, i);
+			nve0_fifo_isr_subfifo_intr(priv, i);
 			u &= ~(1 << i);
 		}
 
-		nv_wr32(dev, 0x0025a0, units);
+		nv_wr32(priv, 0x0025a0, units);
 		stat &= ~0x20000000;
 	}
 
 	if (stat & 0x40000000) {
-		NV_INFO(dev, "PFIFO: unknown status 0x40000000\n");
-		nv_mask(dev, 0x002a00, 0x00000000, 0x00000000);
+		nv_warn(priv, "unknown status 0x40000000\n");
+		nv_mask(priv, 0x002a00, 0x00000000, 0x00000000);
 		stat &= ~0x40000000;
 	}
 
 	if (stat) {
-		NV_INFO(dev, "PFIFO: unhandled status 0x%08x\n", stat);
-		nv_wr32(dev, 0x002100, stat);
-		nv_wr32(dev, 0x002140, 0);
+		nv_fatal(priv, "unhandled status 0x%08x\n", stat);
+		nv_wr32(priv, 0x002100, stat);
+		nv_wr32(priv, 0x002140, 0);
 	}
 }
 
+static int
+nve0_fifo_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+	       struct nouveau_oclass *oclass, void *data, u32 size,
+	       struct nouveau_object **pobject)
+{
+	struct nve0_fifo_priv *priv;
+	int ret;
+
+	ret = nouveau_fifo_create(parent, engine, oclass, 0, 4095, &priv);
+	*pobject = nv_object(priv);
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_new(parent, NULL, 4096 * 0x200, 0x1000,
+				 NVOBJ_FLAG_ZERO_ALLOC, &priv->user.mem);
+	if (ret)
+		return ret;
+
+	ret = nouveau_gpuobj_map(priv->user.mem, NV_MEM_ACCESS_RW,
+				&priv->user.bar);
+	if (ret)
+		return ret;
+
+	nv_subdev(priv)->unit = 0x00000100;
+	nv_subdev(priv)->intr = nve0_fifo_intr;
+	nv_engine(priv)->cclass = &nve0_fifo_cclass;
+	nv_engine(priv)->sclass = nve0_fifo_sclass;
+	return 0;
+}
+
 static void
-nve0_fifo_destroy(struct drm_device *dev, int engine)
+nve0_fifo_dtor(struct nouveau_object *object)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nve0_fifo_priv *priv = nv_engine(dev, engine);
+	struct nve0_fifo_priv *priv = (void *)object;
 	int i;
 
 	nouveau_gpuobj_unmap(&priv->user.bar);
 	nouveau_gpuobj_ref(NULL, &priv->user.mem);
 
-	for (i = 0; i < NVE0_FIFO_ENGINE_NUM; i++) {
-		nouveau_gpuobj_ref(NULL, &priv->engine[i].playlist[0]);
+	for (i = 0; i < ARRAY_SIZE(priv->engine); i++) {
 		nouveau_gpuobj_ref(NULL, &priv->engine[i].playlist[1]);
+		nouveau_gpuobj_ref(NULL, &priv->engine[i].playlist[0]);
 	}
 
-	dev_priv->eng[engine] = NULL;
-	kfree(priv);
+	nouveau_fifo_destroy(&priv->base);
 }
 
-int
-nve0_fifo_create(struct drm_device *dev)
+static int
+nve0_fifo_init(struct nouveau_object *object)
 {
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nve0_fifo_priv *priv;
-	int ret;
+	struct nve0_fifo_priv *priv = (void *)object;
+	int ret, i;
 
-	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
+	ret = nouveau_fifo_init(&priv->base);
+	if (ret)
+		return ret;
 
-	priv->base.base.destroy = nve0_fifo_destroy;
-	priv->base.base.init = nve0_fifo_init;
-	priv->base.base.fini = nve0_fifo_fini;
-	priv->base.base.context_new = nve0_fifo_context_new;
-	priv->base.base.context_del = nve0_fifo_context_del;
-	priv->base.channels = 4096;
-	dev_priv->eng[NVOBJ_ENGINE_FIFO] = &priv->base.base;
+	/* enable all available PSUBFIFOs */
+	nv_wr32(priv, 0x000204, 0xffffffff);
+	priv->spoon_nr = hweight32(nv_rd32(priv, 0x000204));
+	nv_debug(priv, "%d subfifo(s)\n", priv->spoon_nr);
 
-	ret = nouveau_gpuobj_new(dev, NULL, priv->base.channels * 512, 0x1000,
-				 NVOBJ_FLAG_ZERO_ALLOC, &priv->user.mem);
-	if (ret)
-		goto error;
+	/* PSUBFIFO[n] */
+	for (i = 0; i < priv->spoon_nr; i++) {
+		nv_mask(priv, 0x04013c + (i * 0x2000), 0x10000100, 0x00000000);
+		nv_wr32(priv, 0x040108 + (i * 0x2000), 0xffffffff); /* INTR */
+		nv_wr32(priv, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTREN */
+	}
 
-	ret = nouveau_gpuobj_map_bar(priv->user.mem, NV_MEM_ACCESS_RW,
-				    &priv->user.bar);
-	if (ret)
-		goto error;
+	nv_wr32(priv, 0x002254, 0x10000000 | priv->user.bar.offset >> 12);
 
-	nouveau_irq_register(dev, 8, nve0_fifo_isr);
-error:
-	if (ret)
-		priv->base.base.destroy(dev, NVOBJ_ENGINE_FIFO);
-	return ret;
+	nv_wr32(priv, 0x002a00, 0xffffffff);
+	nv_wr32(priv, 0x002100, 0xffffffff);
+	nv_wr32(priv, 0x002140, 0xbfffffff);
+	return 0;
 }
+
+struct nouveau_oclass
+nve0_fifo_oclass = {
+	.handle = NV_ENGINE(FIFO, 0xe0),
+	.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = nve0_fifo_ctor,
+		.dtor = nve0_fifo_dtor,
+		.init = nve0_fifo_init,
+		.fini = _nouveau_fifo_fini,
+	},
+};