1 files changed, 0 insertions, 283 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/base.c b/drivers/gpu/drm/nouveau/core/engine/fifo/base.c
deleted file mode 100644
index ac8375cf4eef..000000000000
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/base.c
+++ /dev/null
@@ -1,283 +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 <core/object.h>
-#include <core/handle.h>
-#include <core/event.h>
-#include <nvif/unpack.h>
-#include <nvif/class.h>
-#include <nvif/event.h>
-
-#include <engine/dmaobj.h>
-#include <engine/fifo.h>
-
-static int
-nouveau_fifo_event_ctor(struct nouveau_object *object, void *data, u32 size,
-			struct nvkm_notify *notify)
-{
-	if (size == 0) {
-		notify->size  = 0;
-		notify->types = 1;
-		notify->index = 0;
-		return 0;
-	}
-	return -ENOSYS;
-}
-
-static const struct nvkm_event_func
-nouveau_fifo_event_func = {
-	.ctor = nouveau_fifo_event_ctor,
-};
-
-int
-nouveau_fifo_channel_create_(struct nouveau_object *parent,
-			     struct nouveau_object *engine,
-			     struct nouveau_oclass *oclass,
-			     int bar, u32 addr, u32 size, u32 pushbuf,
-			     u64 engmask, int len, void **ptr)
-{
-	struct nouveau_device *device = nv_device(engine);
-	struct nouveau_fifo *priv = (void *)engine;
-	struct nouveau_fifo_chan *chan;
-	struct nouveau_dmaeng *dmaeng;
-	unsigned long flags;
-	int ret;
-
-	/* create base object class */
-	ret = nouveau_namedb_create_(parent, engine, oclass, 0, NULL,
-				     engmask, len, ptr);
-	chan = *ptr;
-	if (ret)
-		return ret;
-
-	/* validate dma object representing push buffer */
-	chan->pushdma = (void *)nouveau_handle_ref(parent, pushbuf);
-	if (!chan->pushdma)
-		return -ENOENT;
-
-	dmaeng = (void *)chan->pushdma->base.engine;
-	switch (chan->pushdma->base.oclass->handle) {
-	case NV_DMA_FROM_MEMORY:
-	case NV_DMA_IN_MEMORY:
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	ret = dmaeng->bind(chan->pushdma, parent, &chan->pushgpu);
-	if (ret)
-		return ret;
-
-	/* find a free fifo channel */
-	spin_lock_irqsave(&priv->lock, flags);
-	for (chan->chid = priv->min; chan->chid < priv->max; chan->chid++) {
-		if (!priv->channel[chan->chid]) {
-			priv->channel[chan->chid] = nv_object(chan);
-			break;
-		}
-	}
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	if (chan->chid == priv->max) {
-		nv_error(priv, "no free channels\n");
-		return -ENOSPC;
-	}
-
-	chan->addr = nv_device_resource_start(device, bar) +
-		     addr + size * chan->chid;
-	chan->size = size;
-	nvkm_event_send(&priv->cevent, 1, 0, NULL, 0);
-	return 0;
-}
-
-void
-nouveau_fifo_channel_destroy(struct nouveau_fifo_chan *chan)
-{
-	struct nouveau_fifo *priv = (void *)nv_object(chan)->engine;
-	unsigned long flags;
-
-	if (chan->user)
-		iounmap(chan->user);
-
-	spin_lock_irqsave(&priv->lock, flags);
-	priv->channel[chan->chid] = NULL;
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	nouveau_gpuobj_ref(NULL, &chan->pushgpu);
-	nouveau_object_ref(NULL, (struct nouveau_object **)&chan->pushdma);
-	nouveau_namedb_destroy(&chan->base);
-}
-
-void
-_nouveau_fifo_channel_dtor(struct nouveau_object *object)
-{
-	struct nouveau_fifo_chan *chan = (void *)object;
-	nouveau_fifo_channel_destroy(chan);
-}
-
-int
-_nouveau_fifo_channel_map(struct nouveau_object *object, u64 *addr, u32 *size)
-{
-	struct nouveau_fifo_chan *chan = (void *)object;
-	*addr = chan->addr;
-	*size = chan->size;
-	return 0;
-}
-
-u32
-_nouveau_fifo_channel_rd32(struct nouveau_object *object, u64 addr)
-{
-	struct nouveau_fifo_chan *chan = (void *)object;
-	if (unlikely(!chan->user)) {
-		chan->user = ioremap(chan->addr, chan->size);
-		if (WARN_ON_ONCE(chan->user == NULL))
-			return 0;
-	}
-	return ioread32_native(chan->user + addr);
-}
-
-void
-_nouveau_fifo_channel_wr32(struct nouveau_object *object, u64 addr, u32 data)
-{
-	struct nouveau_fifo_chan *chan = (void *)object;
-	if (unlikely(!chan->user)) {
-		chan->user = ioremap(chan->addr, chan->size);
-		if (WARN_ON_ONCE(chan->user == NULL))
-			return;
-	}
-	iowrite32_native(data, chan->user + addr);
-}
-
-int
-nouveau_fifo_uevent_ctor(struct nouveau_object *object, void *data, u32 size,
-			 struct nvkm_notify *notify)
-{
-	union {
-		struct nvif_notify_uevent_req none;
-	} *req = data;
-	int ret;
-
-	if (nvif_unvers(req->none)) {
-		notify->size  = sizeof(struct nvif_notify_uevent_rep);
-		notify->types = 1;
-		notify->index = 0;
-	}
-
-	return ret;
-}
-
-void
-nouveau_fifo_uevent(struct nouveau_fifo *fifo)
-{
-	struct nvif_notify_uevent_rep rep = {
-	};
-	nvkm_event_send(&fifo->uevent, 1, 0, &rep, sizeof(rep));
-}
-
-int
-_nouveau_fifo_channel_ntfy(struct nouveau_object *object, u32 type,
-			   struct nvkm_event **event)
-{
-	struct nouveau_fifo *fifo = (void *)object->engine;
-	switch (type) {
-	case G82_CHANNEL_DMA_V0_NTFY_UEVENT:
-		if (nv_mclass(object) >= G82_CHANNEL_DMA) {
-			*event = &fifo->uevent;
-			return 0;
-		}
-		break;
-	default:
-		break;
-	}
-	return -EINVAL;
-}
-
-static int
-nouveau_fifo_chid(struct nouveau_fifo *priv, struct nouveau_object *object)
-{
-	int engidx = nv_hclass(priv) & 0xff;
-
-	while (object && object->parent) {
-		if ( nv_iclass(object->parent, NV_ENGCTX_CLASS) &&
-		    (nv_hclass(object->parent) & 0xff) == engidx)
-			return nouveau_fifo_chan(object)->chid;
-		object = object->parent;
-	}
-
-	return -1;
-}
-
-const char *
-nouveau_client_name_for_fifo_chid(struct nouveau_fifo *fifo, u32 chid)
-{
-	struct nouveau_fifo_chan *chan = NULL;
-	unsigned long flags;
-
-	spin_lock_irqsave(&fifo->lock, flags);
-	if (chid >= fifo->min && chid <= fifo->max)
-		chan = (void *)fifo->channel[chid];
-	spin_unlock_irqrestore(&fifo->lock, flags);
-
-	return nouveau_client_name(chan);
-}
-
-void
-nouveau_fifo_destroy(struct nouveau_fifo *priv)
-{
-	kfree(priv->channel);
-	nvkm_event_fini(&priv->uevent);
-	nvkm_event_fini(&priv->cevent);
-	nouveau_engine_destroy(&priv->base);
-}
-
-int
-nouveau_fifo_create_(struct nouveau_object *parent,
-		     struct nouveau_object *engine,
-		     struct nouveau_oclass *oclass,
-		     int min, int max, int length, void **pobject)
-{
-	struct nouveau_fifo *priv;
-	int ret;
-
-	ret = nouveau_engine_create_(parent, engine, oclass, true, "PFIFO",
-				     "fifo", length, pobject);
-	priv = *pobject;
-	if (ret)
-		return ret;
-
-	priv->min = min;
-	priv->max = max;
-	priv->channel = kzalloc(sizeof(*priv->channel) * (max + 1), GFP_KERNEL);
-	if (!priv->channel)
-		return -ENOMEM;
-
-	ret = nvkm_event_init(&nouveau_fifo_event_func, 1, 1, &priv->cevent);
-	if (ret)
-		return ret;
-
-	priv->chid = nouveau_fifo_chid;
-	spin_lock_init(&priv->lock);
-	return 0;
-}