1 files changed, 162 insertions, 345 deletions

diff --git a/shared-core/nouveau_fifo.c b/shared-core/nouveau_fifo.c
index 92166eeb..bc3a9948 100644
--- a/shared-core/nouveau_fifo.c
+++ b/shared-core/nouveau_fifo.c
@@ -39,6 +39,8 @@ int nouveau_fifo_number(drm_device_t* dev)
 		case NV_04:
 		case NV_05:
 			return 16;
+		case NV_50:
+			return 128;
 		default:
 			return 32;
 	}
@@ -51,7 +53,7 @@ int nouveau_fifo_ctx_size(drm_device_t* dev)
 
 	if (dev_priv->card_type >= NV_40)
 		return 128;
-	else if (dev_priv->card_type >= NV_10)
+	else if (dev_priv->card_type >= NV_17)
 		return 64;
 	else
 		return 32;
@@ -83,6 +85,8 @@ static int nouveau_fifo_instmem_configure(drm_device_t *dev)
 		case NV_50:
 		case NV_40:
 			NV_WRITE(NV40_PFIFO_RAMFC, 0x30002);
+			if((dev_priv->chipset == 0x49) || (dev_priv->chipset == 0x4b))
+				NV_WRITE(0x2230,0x00000001);
 			break;
 		case NV_44:
 			NV_WRITE(NV40_PFIFO_RAMFC, ((nouveau_mem_fb_amount(dev)-512*1024+dev_priv->ramfc_offset)>>16) |
@@ -90,10 +94,12 @@ static int nouveau_fifo_instmem_configure(drm_device_t *dev)
 			break;
 		case NV_30:
 		case NV_20:
-		case NV_10:
+		case NV_17:
 			NV_WRITE(NV03_PFIFO_RAMFC, (dev_priv->ramfc_offset>>8) |
 					(1 << 16) /* 64 Bytes entry*/);
+			/* XXX nvidia blob set bit 18, 21,23 for nv20 & nv30 */
 			break;
+		case NV_10:
 		case NV_04:
 		case NV_03:
 			NV_WRITE(NV03_PFIFO_RAMFC, dev_priv->ramfc_offset>>8);
@@ -182,10 +188,12 @@ static int
 nouveau_fifo_cmdbuf_alloc(struct drm_device *dev, int channel)
 {
 	drm_nouveau_private_t *dev_priv = dev->dev_private;
+	struct nouveau_fifo *chan = dev_priv->fifos[channel];
 	struct nouveau_config *config = &dev_priv->config;
 	struct mem_block *cb;
-	struct nouveau_object *cb_dma = NULL;
 	int cb_min_size = max(NV03_FIFO_SIZE,PAGE_SIZE);
+	nouveau_gpuobj_t *pushbuf = NULL;
+	int ret;
 
 	/* Defaults for unconfigured values */
 	if (!config->cmdbuf.location)
@@ -202,260 +210,61 @@ nouveau_fifo_cmdbuf_alloc(struct drm_device *dev, int channel)
 	}
 
 	if (cb->flags & NOUVEAU_MEM_AGP) {
-		cb_dma = nouveau_object_dma_create(dev, channel,
+		DRM_DEBUG("Creating CB in AGP memory\n");
+		ret = nouveau_gpuobj_dma_new(dev, channel,
 				NV_CLASS_DMA_IN_MEMORY,
 				cb->start - dev_priv->agp_phys,
 				cb->size,
-				NV_DMA_ACCESS_RO, NV_DMA_TARGET_AGP);
-	} else if (dev_priv->card_type != NV_04) {
-		cb_dma = nouveau_object_dma_create(dev, channel,
+				NV_DMA_ACCESS_RO, NV_DMA_TARGET_AGP, &pushbuf);
+	} else if ( cb->flags & NOUVEAU_MEM_PCI) {
+		DRM_DEBUG("Creating CB in PCI memory starting at virt 0x%08llx size %d\n", cb->start, cb->size);
+		ret = nouveau_gpuobj_dma_new(dev, channel,
 				NV_CLASS_DMA_IN_MEMORY,
-				cb->start - drm_get_resource_start(dev, 1),
+				cb->start,
 				cb->size,
-				NV_DMA_ACCESS_RO, NV_DMA_TARGET_VIDMEM);
+				NV_DMA_ACCESS_RO, NV_DMA_TARGET_PCI_NONLINEAR, &pushbuf);
+	} else if (dev_priv->card_type != NV_04) {
+		ret = nouveau_gpuobj_dma_new
+			(dev, channel, NV_CLASS_DMA_IN_MEMORY,
+			 cb->start - drm_get_resource_start(dev, 1),
+			 cb->size, NV_DMA_ACCESS_RO, NV_DMA_TARGET_VIDMEM,
+			 &pushbuf);
 	} else {
 		/* NV04 cmdbuf hack, from original ddx.. not sure of it's
 		 * exact reason for existing :)  PCI access to cmdbuf in
 		 * VRAM.
 		 */
-		cb_dma = nouveau_object_dma_create(dev, channel,
-				NV_CLASS_DMA_IN_MEMORY,
-				cb->start, cb->size,
-				NV_DMA_ACCESS_RO, NV_DMA_TARGET_PCI);
+		ret = nouveau_gpuobj_dma_new
+			(dev, channel, NV_CLASS_DMA_IN_MEMORY,
+			 cb->start, cb->size, NV_DMA_ACCESS_RO,
+			 NV_DMA_TARGET_PCI, &pushbuf);
 	}
 
-	if (!cb_dma) {
+	if (ret) {
 		nouveau_mem_free(dev, cb);
-		DRM_ERROR("Failed to alloc DMA object for command buffer\n");
-		return DRM_ERR(ENOMEM);
+		DRM_ERROR("Error creating push buffer ctxdma: %d\n", ret);
+		return ret;
 	}
 
-	dev_priv->fifos[channel].cmdbuf_mem = cb;
-	dev_priv->fifos[channel].cmdbuf_obj = cb_dma;
-	return 0;
-}
-
-#define RAMFC_WR(offset, val) NV_WRITE(fifoctx + NV04_RAMFC_##offset, (val))
-static void nouveau_nv04_context_init(drm_device_t *dev, int channel)
-{
-        drm_nouveau_private_t *dev_priv = dev->dev_private;
-	struct nouveau_object *cb_obj;
-	uint32_t fifoctx, ctx_size = 32;
-	int i;
-
-	cb_obj = dev_priv->fifos[channel].cmdbuf_obj;
-
-	fifoctx=NV_RAMIN+dev_priv->ramfc_offset+channel*ctx_size;
-	
-        // clear the fifo context
-        for(i=0;i<ctx_size/4;i++)
-                NV_WRITE(fifoctx+4*i,0x0);
-
-	RAMFC_WR(DMA_INSTANCE	, nouveau_chip_instance_get(dev, cb_obj->instance));
-
-        RAMFC_WR(DMA_FETCH,	NV_PFIFO_CACHE1_DMA_FETCH_TRIG_112_BYTES |
-                                NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
-                                NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_4     |
-#ifdef __BIG_ENDIAN
-                                NV_PFIFO_CACHE1_BIG_ENDIAN |
-#endif
-				0x00000000);
-}
-#undef RAMFC_WR
-
-#define RAMFC_WR(offset, val) NV_WRITE(fifoctx + NV10_RAMFC_##offset, (val))
-static void nouveau_nv10_context_init(drm_device_t *dev, int channel)
-{
-        drm_nouveau_private_t *dev_priv = dev->dev_private;
-        struct nouveau_object *cb_obj;
-        uint32_t fifoctx;
-        int i;
-        cb_obj  = dev_priv->fifos[channel].cmdbuf_obj;
-        fifoctx = NV_RAMIN + dev_priv->ramfc_offset + channel*64;
-
-        for (i=0;i<64;i+=4)
-                NV_WRITE(fifoctx + i, 0);
-
-        /* Fill entries that are seen filled in dumps of nvidia driver just
-         * after channel's is put into DMA mode
-         */
-
-        RAMFC_WR(DMA_INSTANCE  , nouveau_chip_instance_get(dev,
-                                cb_obj->instance));
-
-        RAMFC_WR(DMA_FETCH, NV_PFIFO_CACHE1_DMA_FETCH_TRIG_112_BYTES | 
-                        NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
-                        NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_4     |
-#ifdef __BIG_ENDIAN
-                        NV_PFIFO_CACHE1_BIG_ENDIAN |
-#endif
-			0x00000000);
-}
-
-static void nouveau_nv30_context_init(drm_device_t *dev, int channel)
-{
-        drm_nouveau_private_t *dev_priv = dev->dev_private;
-        struct nouveau_fifo *chan = &dev_priv->fifos[channel];
-	struct nouveau_object *cb_obj;
-	uint32_t fifoctx, grctx_inst, cb_inst, ctx_size = 64;
-	int i;
-
-	cb_obj = dev_priv->fifos[channel].cmdbuf_obj;
-        cb_inst = nouveau_chip_instance_get(dev, chan->cmdbuf_obj->instance);
-        grctx_inst = nouveau_chip_instance_get(dev, chan->ramin_grctx);
-        fifoctx = NV_RAMIN + dev_priv->ramfc_offset + channel * ctx_size;
-        
-        for (i = 0; i < ctx_size; i += 4)
-                NV_WRITE(fifoctx + i, 0);
-
-        RAMFC_WR(REF_CNT,       NV_READ(NV10_PFIFO_CACHE1_REF_CNT));
-        RAMFC_WR(DMA_INSTANCE,  cb_inst);
-        RAMFC_WR(DMA_STATE,     NV_READ(NV04_PFIFO_CACHE1_DMA_STATE));
-        RAMFC_WR(DMA_FETCH,     NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES | 
-                                NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
-                                NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8 |
-#ifdef __BIG_ENDIAN
-                                NV_PFIFO_CACHE1_BIG_ENDIAN |
-#endif
-                                0x00000000);
-        
-        RAMFC_WR(ENGINE,                NV_READ(NV04_PFIFO_CACHE1_ENGINE));
-        RAMFC_WR(PULL1_ENGINE,          NV_READ(NV04_PFIFO_CACHE1_PULL1)); 
-        RAMFC_WR(ACQUIRE_VALUE,         NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_VALUE));
-        RAMFC_WR(ACQUIRE_TIMESTAMP,     NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP));
-        RAMFC_WR(ACQUIRE_TIMEOUT,       NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT));
-        RAMFC_WR(SEMAPHORE,             NV_READ(NV10_PFIFO_CACHE1_SEMAPHORE));
-}
-
-static void nouveau_nv10_context_save(drm_device_t *dev)
-{
-	drm_nouveau_private_t *dev_priv = dev->dev_private;
-	uint32_t fifoctx;
-	int channel;
-
-	channel = NV_READ(NV03_PFIFO_CACHE1_PUSH1) & (nouveau_fifo_number(dev)-1);
-	fifoctx = NV_RAMIN + dev_priv->ramfc_offset + channel*64;
-
-	RAMFC_WR(DMA_PUT          , NV_READ(NV04_PFIFO_CACHE1_DMA_PUT));
-	RAMFC_WR(DMA_GET          , NV_READ(NV04_PFIFO_CACHE1_DMA_GET));
-	RAMFC_WR(REF_CNT          , NV_READ(NV10_PFIFO_CACHE1_REF_CNT));
-	RAMFC_WR(DMA_INSTANCE     , NV_READ(NV04_PFIFO_CACHE1_DMA_INSTANCE));
-	RAMFC_WR(DMA_STATE        , NV_READ(NV04_PFIFO_CACHE1_DMA_STATE));
-	RAMFC_WR(DMA_FETCH        , NV_READ(NV04_PFIFO_CACHE1_DMA_FETCH));
-	RAMFC_WR(ENGINE           , NV_READ(NV04_PFIFO_CACHE1_ENGINE));
-	RAMFC_WR(PULL1_ENGINE     , NV_READ(NV04_PFIFO_CACHE1_PULL1));
-	RAMFC_WR(ACQUIRE_VALUE    , NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_VALUE));
-	RAMFC_WR(ACQUIRE_TIMESTAMP, NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP));
-	RAMFC_WR(ACQUIRE_TIMEOUT  , NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT));
-	RAMFC_WR(SEMAPHORE        , NV_READ(NV10_PFIFO_CACHE1_SEMAPHORE));
-	RAMFC_WR(DMA_SUBROUTINE   , NV_READ(NV10_PFIFO_CACHE1_DMA_SUBROUTINE));
-}
-#undef RAMFC_WR
-
-#define RAMFC_WR(offset, val) NV_WRITE(fifoctx + NV40_RAMFC_##offset, (val))
-static void nouveau_nv40_context_init(drm_device_t *dev, int channel)
-{
-	drm_nouveau_private_t *dev_priv = dev->dev_private;
-	struct nouveau_fifo *chan = &dev_priv->fifos[channel];
-	uint32_t fifoctx, cb_inst, grctx_inst;
-	int i;
-
-	cb_inst = nouveau_chip_instance_get(dev, chan->cmdbuf_obj->instance);
-	grctx_inst = nouveau_chip_instance_get(dev, chan->ramin_grctx);
-	fifoctx = NV_RAMIN + dev_priv->ramfc_offset + channel*128;
-	for (i=0;i<128;i+=4)
-		NV_WRITE(fifoctx + i, 0);
-
-	/* Fill entries that are seen filled in dumps of nvidia driver just
-	 * after channel's is put into DMA mode
-	 */
-	RAMFC_WR(DMA_INSTANCE  , cb_inst);
-	RAMFC_WR(DMA_FETCH     , NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
-				 NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
-				 NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8 |
-#ifdef __BIG_ENDIAN
-				 NV_PFIFO_CACHE1_BIG_ENDIAN |
-#endif
-				 0x30000000 /* no idea.. */);
-	RAMFC_WR(GRCTX_INSTANCE, grctx_inst);
-	RAMFC_WR(DMA_TIMESLICE , 0x0001FFFF);
-}
-
-static void nouveau_nv40_context_save(drm_device_t *dev)
-{
-	drm_nouveau_private_t *dev_priv = dev->dev_private;
-	uint32_t fifoctx;
-	int channel;
-
-	channel = NV_READ(NV03_PFIFO_CACHE1_PUSH1) & (nouveau_fifo_number(dev)-1);
-	fifoctx = NV_RAMIN + dev_priv->ramfc_offset + channel*128;
-
-	RAMFC_WR(DMA_PUT          , NV_READ(NV04_PFIFO_CACHE1_DMA_PUT));
-	RAMFC_WR(DMA_GET          , NV_READ(NV04_PFIFO_CACHE1_DMA_GET));
-	RAMFC_WR(REF_CNT          , NV_READ(NV10_PFIFO_CACHE1_REF_CNT));
-	RAMFC_WR(DMA_INSTANCE     , NV_READ(NV04_PFIFO_CACHE1_DMA_INSTANCE));
-	RAMFC_WR(DMA_DCOUNT       , NV_READ(NV10_PFIFO_CACHE1_DMA_DCOUNT));
-	RAMFC_WR(DMA_STATE        , NV_READ(NV04_PFIFO_CACHE1_DMA_STATE));
-	RAMFC_WR(DMA_FETCH	  , NV_READ(NV04_PFIFO_CACHE1_DMA_FETCH));
-	RAMFC_WR(ENGINE           , NV_READ(NV04_PFIFO_CACHE1_ENGINE));
-	RAMFC_WR(PULL1_ENGINE     , NV_READ(NV04_PFIFO_CACHE1_PULL1));
-	RAMFC_WR(ACQUIRE_VALUE    , NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_VALUE));
-	RAMFC_WR(ACQUIRE_TIMESTAMP, NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP));
-	RAMFC_WR(ACQUIRE_TIMEOUT  , NV_READ(NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT));
-	RAMFC_WR(SEMAPHORE        , NV_READ(NV10_PFIFO_CACHE1_SEMAPHORE));
-	RAMFC_WR(DMA_SUBROUTINE   , NV_READ(NV04_PFIFO_CACHE1_DMA_GET));
-	RAMFC_WR(GRCTX_INSTANCE   , NV_READ(NV40_PFIFO_GRCTX_INSTANCE));
-	RAMFC_WR(DMA_TIMESLICE    , NV_READ(NV04_PFIFO_DMA_TIMESLICE) & 0x1FFFF);
-	RAMFC_WR(UNK_40           , NV_READ(NV40_PFIFO_UNK32E4));
-}
-#undef RAMFC_WR
-
-/* This function should load values from RAMFC into PFIFO, but for now
- * it just clobbers PFIFO with what nouveau_fifo_alloc used to setup
- * unconditionally.
- */
-static void
-nouveau_fifo_context_restore(drm_device_t *dev, int channel)
-{
-	drm_nouveau_private_t *dev_priv = dev->dev_private;
-	struct nouveau_fifo *chan = &dev_priv->fifos[channel];
-	uint32_t cb_inst;
-
-	cb_inst = nouveau_chip_instance_get(dev, chan->cmdbuf_obj->instance);
-
-	// FIXME check if we need to refill the time quota with something like NV_WRITE(0x204C, 0x0003FFFF);
-
-	if (dev_priv->card_type >= NV_40)
-		NV_WRITE(NV03_PFIFO_CACHE1_PUSH1, 0x00010000|channel);
-	else
-		NV_WRITE(NV03_PFIFO_CACHE1_PUSH1, 0x00000100|channel);
-
-	NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUT, 0 /*RAMFC_DMA_PUT*/);
-	NV_WRITE(NV04_PFIFO_CACHE1_DMA_GET, 0 /*RAMFC_DMA_GET*/);
-	NV_WRITE(NV04_PFIFO_CACHE1_DMA_INSTANCE, cb_inst);
-	NV_WRITE(NV04_PFIFO_SIZE , 0x0000FFFF);
-	NV_WRITE(NV04_PFIFO_CACHE1_HASH, 0x0000FFFF);
-
-	NV_WRITE(NV04_PFIFO_CACHE0_PULL1, 0x00000001);
-	NV_WRITE(NV04_PFIFO_CACHE1_DMA_CTL, 0x00000000);
-	NV_WRITE(NV04_PFIFO_CACHE1_DMA_STATE, 0x00000000);
-	NV_WRITE(NV04_PFIFO_CACHE1_ENGINE, 0x00000000);
+	if ((ret = nouveau_gpuobj_ref_add(dev, channel, 0, pushbuf,
+					  &chan->pushbuf))) {
+		DRM_ERROR("Error referencing push buffer ctxdma: %d\n", ret);
+		return ret;
+	}
 
-	NV_WRITE(NV04_PFIFO_CACHE1_DMA_FETCH,	NV_PFIFO_CACHE1_DMA_FETCH_TRIG_112_BYTES |
-					NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
-					NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_4 |
-#ifdef __BIG_ENDIAN
-					NV_PFIFO_CACHE1_BIG_ENDIAN |
-#endif
-					0x00000000);
+	dev_priv->fifos[channel]->pushbuf_base = 0;
+	dev_priv->fifos[channel]->pushbuf_mem = cb;
+	return 0;
 }
 
 /* allocates and initializes a fifo for user space consumption */
-static int nouveau_fifo_alloc(drm_device_t* dev, int *chan_ret, DRMFILE filp)
+int nouveau_fifo_alloc(drm_device_t* dev, int *chan_ret, DRMFILE filp,
+		       uint32_t vram_handle, uint32_t tt_handle)
 {
 	int ret;
 	drm_nouveau_private_t *dev_priv = dev->dev_private;
-	struct nouveau_object *cb_obj;
+	nouveau_engine_func_t *engine = &dev_priv->Engine;
+	struct nouveau_fifo *chan;
 	int channel;
 
 	/*
@@ -466,21 +275,33 @@ static int nouveau_fifo_alloc(drm_device_t* dev, int *chan_ret, DRMFILE filp)
 	 * (woo, full userspace command submission !)
 	 * When there are no more contexts, you lost
 	 */
-	for(channel=0; channel<nouveau_fifo_number(dev); channel++)
-		if (dev_priv->fifos[channel].used==0)
+	for(channel=0; channel<nouveau_fifo_number(dev); channel++) {
+		if ((dev_priv->card_type == NV_50) && (channel == 0))
+			continue;
+		if (dev_priv->fifos[channel] == NULL)
 			break;
+	}
 	/* no more fifos. you lost. */
 	if (channel==nouveau_fifo_number(dev))
 		return DRM_ERR(EINVAL);
 	(*chan_ret) = channel;
 
+	dev_priv->fifos[channel] = drm_calloc(1, sizeof(struct nouveau_fifo),
+					      DRM_MEM_DRIVER);
+	if (!dev_priv->fifos[channel])
+		return DRM_ERR(ENOMEM);
+	dev_priv->fifo_alloc_count++;
+	chan = dev_priv->fifos[channel];
+	chan->filp = filp;
+
 	DRM_INFO("Allocating FIFO number %d\n", channel);
 
-	/* that fifo is used */
-	dev_priv->fifos[channel].used = 1;
-	dev_priv->fifos[channel].filp = filp;
-	/* FIFO has no objects yet */
-	dev_priv->fifos[channel].objs = NULL;
+	/* Setup channel's default objects */
+	ret = nouveau_gpuobj_channel_init(dev, channel, vram_handle, tt_handle);
+	if (ret) {
+		nouveau_fifo_free(dev, channel);
+		return ret;
+	}
 
 	/* allocate a command buffer, and create a dma object for the gpu */
 	ret = nouveau_fifo_cmdbuf_alloc(dev, channel);
@@ -488,7 +309,13 @@ static int nouveau_fifo_alloc(drm_device_t* dev, int *chan_ret, DRMFILE filp)
 		nouveau_fifo_free(dev, channel);
 		return ret;
 	}
-	cb_obj = dev_priv->fifos[channel].cmdbuf_obj;
+
+	/* Allocate space for per-channel fixed notifier memory */
+	ret = nouveau_notifier_init_channel(dev, channel, filp);
+	if (ret) {
+		nouveau_fifo_free(dev, channel);
+		return ret;
+	}
 
 	nouveau_wait_for_idle(dev);
 
@@ -498,84 +325,67 @@ static int nouveau_fifo_alloc(drm_device_t* dev, int *chan_ret, DRMFILE filp)
 	NV_WRITE(NV03_PFIFO_CACHE1_PUSH0, 0x00000000);
 	NV_WRITE(NV04_PFIFO_CACHE1_PULL0, 0x00000000);
 
-	/* Construct inital RAMFC for new channel */
-	switch(dev_priv->card_type)
-	{
-		case NV_04:
-		case NV_05:
-			nv04_graph_context_create(dev, channel);
-			nouveau_nv04_context_init(dev, channel);
-			break;
-		case NV_10:
-			nv10_graph_context_create(dev, channel);
-			nouveau_nv10_context_init(dev, channel);
-			break;
-		case NV_20:
-			ret = nv20_graph_context_create(dev, channel);
-			if (ret) {
-				nouveau_fifo_free(dev, channel);
-				return ret;
-			}
-			nouveau_nv10_context_init(dev, channel);
-			break;
-		case NV_30:
-			ret = nv30_graph_context_create(dev, channel);
-			if (ret) {
-				nouveau_fifo_free(dev, channel);
-				return ret;
-			}
-			nouveau_nv30_context_init(dev, channel);
-			break;
-		case NV_40:
-		case NV_44:
-		case NV_50:
-			ret = nv40_graph_context_create(dev, channel);
-			if (ret) {
-				nouveau_fifo_free(dev, channel);
-				return ret;
-			}
-			nouveau_nv40_context_init(dev, channel);
-			break;
+	/* Create a graphics context for new channel */
+	ret = engine->graph.create_context(dev, channel);
+	if (ret) {
+		nouveau_fifo_free(dev, channel);
+		return ret;
 	}
 
-	/* enable the fifo dma operation */
-	NV_WRITE(NV04_PFIFO_MODE,NV_READ(NV04_PFIFO_MODE)|(1<<channel));
+	/* Construct inital RAMFC for new channel */
+	ret = engine->fifo.create_context(dev, channel);
+	if (ret) {
+		nouveau_fifo_free(dev, channel);
+		return ret;
+	}
 
 	/* setup channel's default get/put values */
-	NV_WRITE(NV03_FIFO_REGS_DMAPUT(channel), 0);
-	NV_WRITE(NV03_FIFO_REGS_DMAGET(channel), 0);
+	if (dev_priv->card_type < NV_50) {
+		NV_WRITE(NV03_FIFO_REGS_DMAPUT(channel), chan->pushbuf_base);
+		NV_WRITE(NV03_FIFO_REGS_DMAGET(channel), chan->pushbuf_base);
+	} else {
+		NV_WRITE(NV50_FIFO_REGS_DMAPUT(channel), chan->pushbuf_base);
+		NV_WRITE(NV50_FIFO_REGS_DMAGET(channel), chan->pushbuf_base);
+	}
 
 	/* If this is the first channel, setup PFIFO ourselves.  For any
 	 * other case, the GPU will handle this when it switches contexts.
 	 */
-	if (dev_priv->fifo_alloc_count == 0) {
-		nouveau_fifo_context_restore(dev, channel);
-		if (dev_priv->card_type >= NV_30) {
-			struct nouveau_fifo *chan;
-			uint32_t inst;
-
-			chan = &dev_priv->fifos[channel];
-			inst = nouveau_chip_instance_get(dev,
-							 chan->ramin_grctx);
-
-			/* see comments in nv40_graph_context_restore() */
-			NV_WRITE(NV10_PGRAPH_CHANNEL_CTX_SIZE, inst);
-                        if (dev_priv->card_type >= NV_40) {
-                                NV_WRITE(0x40032C, inst | 0x01000000);
-                                NV_WRITE(NV40_PFIFO_GRCTX_INSTANCE, inst);
-                        }
+	if (dev_priv->fifo_alloc_count == 1) {
+		ret = engine->fifo.load_context(dev, channel);
+		if (ret) {
+			nouveau_fifo_free(dev, channel);
+			return ret;
+		}
+
+		ret = engine->graph.load_context(dev, channel);
+		if (ret) {
+			nouveau_fifo_free(dev, channel);
+			return ret;
+		}
+
+		/* Temporary hack, to avoid breaking Xv on cards where the
+		 * initial context value for 0x400710 doesn't have these bits
+		 * set.  Proper fix would be to find which object+method is
+		 * responsible for modifying this state.
+		 */
+		if (dev_priv->chipset >= 0x10 && dev_priv->chipset < 0x50) {
+			uint32_t tmp;
+			tmp = NV_READ(NV10_PGRAPH_SURFACE) & 0x0007ff00;
+			NV_WRITE(NV10_PGRAPH_SURFACE, tmp);
+			tmp = NV_READ(NV10_PGRAPH_SURFACE) | 0x00020100;
+			NV_WRITE(NV10_PGRAPH_SURFACE, tmp);
 		}
 	}
 
-	NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUSH, 0x00000001);
+	NV_WRITE(NV04_PFIFO_CACHE1_DMA_PUSH,
+		 NV_READ(NV04_PFIFO_CACHE1_DMA_PUSH) | 1);
 	NV_WRITE(NV03_PFIFO_CACHE1_PUSH0, 0x00000001);
 	NV_WRITE(NV04_PFIFO_CACHE1_PULL0, 0x00000001);
 	NV_WRITE(NV04_PFIFO_CACHE1_PULL1, 0x00000001);
 
 	/* reenable the fifo caches */
-	NV_WRITE(NV03_PFIFO_CACHES, 0x00000001);
-
-	dev_priv->fifo_alloc_count++;
+	NV_WRITE(NV03_PFIFO_CACHES, 1);
 
 	DRM_INFO("%s: initialised FIFO %d\n", __func__, channel);
 	return 0;
@@ -585,50 +395,44 @@ static int nouveau_fifo_alloc(drm_device_t* dev, int *chan_ret, DRMFILE filp)
 void nouveau_fifo_free(drm_device_t* dev, int channel)
 {
 	drm_nouveau_private_t *dev_priv = dev->dev_private;
-	struct nouveau_fifo *chan = &dev_priv->fifos[channel];
-	int i;
-	int ctx_size = nouveau_fifo_ctx_size(dev);
+	nouveau_engine_func_t *engine = &dev_priv->Engine;
+	struct nouveau_fifo *chan = dev_priv->fifos[channel];
+
+	if (!chan) {
+		DRM_ERROR("Freeing non-existant channel %d\n", channel);
+		return;
+	}
 
-	chan->used = 0;
 	DRM_INFO("%s: freeing fifo %d\n", __func__, channel);
 
 	/* disable the fifo caches */
 	NV_WRITE(NV03_PFIFO_CACHES, 0x00000000);
 
-	NV_WRITE(NV04_PFIFO_MODE, NV_READ(NV04_PFIFO_MODE)&~(1<<channel));
 	// FIXME XXX needs more code
-	
-	/* Clean RAMFC */
-	for (i=0;i<ctx_size;i+=4) {
-		DRM_DEBUG("RAMFC +%02x: 0x%08x\n", i, NV_READ(NV_RAMIN +
-					dev_priv->ramfc_offset + 
-					channel*ctx_size + i));
-		NV_WRITE(NV_RAMIN + dev_priv->ramfc_offset +
-				channel*ctx_size + i, 0);
-	}
+
+	engine->fifo.destroy_context(dev, channel);
 
 	/* Cleanup PGRAPH state */
-	if (dev_priv->card_type >= NV_40)
-		nouveau_instmem_free(dev, chan->ramin_grctx);
-	else if (dev_priv->card_type >= NV_30) {
-	}
-	else if (dev_priv->card_type >= NV_20) {
-		/* clear ctx table */
-		INSTANCE_WR(dev_priv->ctx_table, channel, 0);
-		nouveau_instmem_free(dev, chan->ramin_grctx);
-	}
+	engine->graph.destroy_context(dev, channel);
 
 	/* reenable the fifo caches */
 	NV_WRITE(NV03_PFIFO_CACHES, 0x00000001);
 
-	/* Deallocate command buffer */
-	if (chan->cmdbuf_mem)
-		nouveau_mem_free(dev, chan->cmdbuf_mem);
+	/* Deallocate push buffer */
+	nouveau_gpuobj_ref_del(dev, &chan->pushbuf);
+	if (chan->pushbuf_mem) {
+		nouveau_mem_free(dev, chan->pushbuf_mem);
+		chan->pushbuf_mem = NULL;
+	}
+
+	nouveau_notifier_takedown_channel(dev, channel);
 
 	/* Destroy objects belonging to the channel */
-	nouveau_object_cleanup(dev, channel);
+	nouveau_gpuobj_channel_takedown(dev, channel);
 
+	dev_priv->fifos[channel] = NULL;
 	dev_priv->fifo_alloc_count--;
+	drm_free(chan, sizeof(*chan), DRM_MEM_DRIVER);
 }
 
 /* cleanups all the fifos from filp */
@@ -639,7 +443,7 @@ void nouveau_fifo_cleanup(drm_device_t* dev, DRMFILE filp)
 
 	DRM_DEBUG("clearing FIFO enables from filp\n");
 	for(i=0;i<nouveau_fifo_number(dev);i++)
-		if (dev_priv->fifos[i].used && dev_priv->fifos[i].filp==filp)
+		if (dev_priv->fifos[i] && dev_priv->fifos[i]->filp==filp)
 			nouveau_fifo_free(dev,i);
 }
 
@@ -650,9 +454,9 @@ nouveau_fifo_owner(drm_device_t *dev, DRMFILE filp, int channel)
 
 	if (channel >= nouveau_fifo_number(dev))
 		return 0;
-	if (dev_priv->fifos[channel].used == 0)
+	if (dev_priv->fifos[channel] == NULL)
 		return 0;
-	return (dev_priv->fifos[channel].filp == filp);
+	return (dev_priv->fifos[channel]->filp == filp);
 }
 
 /***********************************
@@ -663,31 +467,44 @@ static int nouveau_ioctl_fifo_alloc(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 	drm_nouveau_private_t *dev_priv = dev->dev_private;
+	struct nouveau_fifo *chan;
 	drm_nouveau_fifo_alloc_t init;
 	int res;
 
 	DRM_COPY_FROM_USER_IOCTL(init, (drm_nouveau_fifo_alloc_t __user *) data,
 				 sizeof(init));
 
-	res = nouveau_fifo_alloc(dev, &init.channel, filp);
+	res = nouveau_fifo_alloc(dev, &init.channel, filp,
+				 init.fb_ctxdma_handle,
+				 init.tt_ctxdma_handle);
 	if (res)
 		return res;
+	chan = dev_priv->fifos[init.channel];
 
-	/* this should probably disappear in the next abi break? */
-	init.put_base = 0;
+	init.put_base = chan->pushbuf_base;
 
 	/* make the fifo available to user space */
 	/* first, the fifo control regs */
-	init.ctrl      = dev_priv->mmio->offset + NV03_FIFO_REGS(init.channel);
-	init.ctrl_size = NV03_FIFO_REGS_SIZE;
+	init.ctrl = dev_priv->mmio->offset;
+	if (dev_priv->card_type < NV_50) {
+		init.ctrl      += NV03_FIFO_REGS(init.channel);
+		init.ctrl_size  = NV03_FIFO_REGS_SIZE;
+	} else {
+		init.ctrl      += NV50_FIFO_REGS(init.channel);
+		init.ctrl_size  = NV50_FIFO_REGS_SIZE;
+	}
 	res = drm_addmap(dev, init.ctrl, init.ctrl_size, _DRM_REGISTERS,
-			 0, &dev_priv->fifos[init.channel].regs);
+			 0, &chan->regs);
 	if (res != 0)
 		return res;
 
 	/* pass back FIFO map info to the caller */
-	init.cmdbuf      = dev_priv->fifos[init.channel].cmdbuf_mem->start;
-	init.cmdbuf_size = dev_priv->fifos[init.channel].cmdbuf_mem->size;
+	init.cmdbuf      = chan->pushbuf_mem->start;
+	init.cmdbuf_size = chan->pushbuf_mem->size;
+
+	/* and the notifier block */
+	init.notifier      = chan->notifier_block->start;
+	init.notifier_size = chan->notifier_block->size;
 
 	DRM_COPY_TO_USER_IOCTL((drm_nouveau_fifo_alloc_t __user *)data,
 			       init, sizeof(init));
@@ -700,8 +517,8 @@ static int nouveau_ioctl_fifo_alloc(DRM_IOCTL_ARGS)
 
 drm_ioctl_desc_t nouveau_ioctls[] = {
 	[DRM_IOCTL_NR(DRM_NOUVEAU_FIFO_ALLOC)] = {nouveau_ioctl_fifo_alloc, DRM_AUTH},	
-	[DRM_IOCTL_NR(DRM_NOUVEAU_OBJECT_INIT)] = {nouveau_ioctl_object_init, DRM_AUTH},
-	[DRM_IOCTL_NR(DRM_NOUVEAU_DMA_OBJECT_INIT)] = {nouveau_ioctl_dma_object_init, DRM_AUTH},
+	[DRM_IOCTL_NR(DRM_NOUVEAU_GROBJ_ALLOC)] = {nouveau_ioctl_grobj_alloc, DRM_AUTH},
+	[DRM_IOCTL_NR(DRM_NOUVEAU_NOTIFIER_ALLOC)] = {nouveau_ioctl_notifier_alloc, DRM_AUTH},
 	[DRM_IOCTL_NR(DRM_NOUVEAU_MEM_ALLOC)] = {nouveau_ioctl_mem_alloc, DRM_AUTH},
 	[DRM_IOCTL_NR(DRM_NOUVEAU_MEM_FREE)] = {nouveau_ioctl_mem_free, DRM_AUTH},
 	[DRM_IOCTL_NR(DRM_NOUVEAU_GETPARAM)] = {nouveau_ioctl_getparam, DRM_AUTH},