1 files changed, 0 insertions, 226 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
deleted file mode 100644
index dbcdc5fab990..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c
+++ /dev/null
@@ -1,226 +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 "channv04.h"
-#include "regsnv04.h"
-
-#include <core/client.h>
-#include <core/ramht.h>
-#include <subdev/instmem.h>
-
-#include <nvif/class.h>
-#include <nvif/cl006b.h>
-#include <nvif/unpack.h>
-
-void
-nv04_fifo_dma_object_dtor(struct nvkm_fifo_chan *base, int cookie)
-{
-	struct nv04_fifo_chan *chan = nv04_fifo_chan(base);
-	struct nvkm_instmem *imem = chan->fifo->base.engine.subdev.device->imem;
-
-	mutex_lock(&chan->fifo->base.mutex);
-	nvkm_ramht_remove(imem->ramht, cookie);
-	mutex_unlock(&chan->fifo->base.mutex);
-}
-
-static int
-nv04_fifo_dma_object_ctor(struct nvkm_fifo_chan *base,
-			  struct nvkm_object *object)
-{
-	struct nv04_fifo_chan *chan = nv04_fifo_chan(base);
-	struct nvkm_instmem *imem = chan->fifo->base.engine.subdev.device->imem;
-	u32 context = 0x80000000 | chan->base.chid << 24;
-	u32 handle  = object->handle;
-	int hash;
-
-	switch (object->engine->subdev.type) {
-	case NVKM_ENGINE_DMAOBJ:
-	case NVKM_ENGINE_SW    : context |= 0x00000000; break;
-	case NVKM_ENGINE_GR    : context |= 0x00010000; break;
-	case NVKM_ENGINE_MPEG  : context |= 0x00020000; break;
-	default:
-		WARN_ON(1);
-		return -EINVAL;
-	}
-
-	mutex_lock(&chan->fifo->base.mutex);
-	hash = nvkm_ramht_insert(imem->ramht, object, chan->base.chid, 4,
-				 handle, context);
-	mutex_unlock(&chan->fifo->base.mutex);
-	return hash;
-}
-
-void
-nv04_fifo_dma_fini(struct nvkm_fifo_chan *base)
-{
-	struct nv04_fifo_chan *chan = nv04_fifo_chan(base);
-	struct nv04_fifo *fifo = chan->fifo;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	struct nvkm_memory *fctx = device->imem->ramfc;
-	const struct nv04_fifo_ramfc *c;
-	unsigned long flags;
-	u32 mask = fifo->base.nr - 1;
-	u32 data = chan->ramfc;
-	u32 chid;
-
-	/* prevent fifo context switches */
-	spin_lock_irqsave(&fifo->base.lock, flags);
-	nvkm_wr32(device, NV03_PFIFO_CACHES, 0);
-
-	/* if this channel is active, replace it with a null context */
-	chid = nvkm_rd32(device, NV03_PFIFO_CACHE1_PUSH1) & mask;
-	if (chid == chan->base.chid) {
-		nvkm_mask(device, NV04_PFIFO_CACHE1_DMA_PUSH, 0x00000001, 0);
-		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 0);
-		nvkm_mask(device, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0);
-
-		c = fifo->ramfc;
-		nvkm_kmap(fctx);
-		do {
-			u32 rm = ((1ULL << c->bits) - 1) << c->regs;
-			u32 cm = ((1ULL << c->bits) - 1) << c->ctxs;
-			u32 rv = (nvkm_rd32(device, c->regp) &  rm) >> c->regs;
-			u32 cv = (nvkm_ro32(fctx, c->ctxp + data) & ~cm);
-			nvkm_wo32(fctx, c->ctxp + data, cv | (rv << c->ctxs));
-		} while ((++c)->bits);
-		nvkm_done(fctx);
-
-		c = fifo->ramfc;
-		do {
-			nvkm_wr32(device, c->regp, 0x00000000);
-		} while ((++c)->bits);
-
-		nvkm_wr32(device, NV03_PFIFO_CACHE1_GET, 0);
-		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUT, 0);
-		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, mask);
-		nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 1);
-		nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1);
-	}
-
-	/* restore normal operation, after disabling dma mode */
-	nvkm_mask(device, NV04_PFIFO_MODE, 1 << chan->base.chid, 0);
-	nvkm_wr32(device, NV03_PFIFO_CACHES, 1);
-	spin_unlock_irqrestore(&fifo->base.lock, flags);
-}
-
-void
-nv04_fifo_dma_init(struct nvkm_fifo_chan *base)
-{
-	struct nv04_fifo_chan *chan = nv04_fifo_chan(base);
-	struct nv04_fifo *fifo = chan->fifo;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	u32 mask = 1 << chan->base.chid;
-	unsigned long flags;
-	spin_lock_irqsave(&fifo->base.lock, flags);
-	nvkm_mask(device, NV04_PFIFO_MODE, mask, mask);
-	spin_unlock_irqrestore(&fifo->base.lock, flags);
-}
-
-void *
-nv04_fifo_dma_dtor(struct nvkm_fifo_chan *base)
-{
-	struct nv04_fifo_chan *chan = nv04_fifo_chan(base);
-	struct nv04_fifo *fifo = chan->fifo;
-	struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem;
-	const struct nv04_fifo_ramfc *c = fifo->ramfc;
-
-	nvkm_kmap(imem->ramfc);
-	do {
-		nvkm_wo32(imem->ramfc, chan->ramfc + c->ctxp, 0x00000000);
-	} while ((++c)->bits);
-	nvkm_done(imem->ramfc);
-	return chan;
-}
-
-const struct nvkm_fifo_chan_func
-nv04_fifo_dma_func = {
-	.dtor = nv04_fifo_dma_dtor,
-	.init = nv04_fifo_dma_init,
-	.fini = nv04_fifo_dma_fini,
-	.object_ctor = nv04_fifo_dma_object_ctor,
-	.object_dtor = nv04_fifo_dma_object_dtor,
-};
-
-static int
-nv04_fifo_dma_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
-		  void *data, u32 size, struct nvkm_object **pobject)
-{
-	struct nvkm_object *parent = oclass->parent;
-	union {
-		struct nv03_channel_dma_v0 v0;
-	} *args = data;
-	struct nv04_fifo *fifo = nv04_fifo(base);
-	struct nv04_fifo_chan *chan = NULL;
-	struct nvkm_device *device = fifo->base.engine.subdev.device;
-	struct nvkm_instmem *imem = device->imem;
-	int ret = -ENOSYS;
-
-	nvif_ioctl(parent, "create channel dma size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
-		nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
-				   "offset %08x\n", args->v0.version,
-			   args->v0.pushbuf, args->v0.offset);
-		if (!args->v0.pushbuf)
-			return -EINVAL;
-	} else
-		return ret;
-
-	if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
-		return -ENOMEM;
-	*pobject = &chan->base.object;
-
-	ret = nvkm_fifo_chan_ctor(&nv04_fifo_dma_func, &fifo->base,
-				  0x1000, 0x1000, false, 0, args->v0.pushbuf,
-				  BIT(NV04_FIFO_ENGN_SW) |
-				  BIT(NV04_FIFO_ENGN_GR) |
-				  BIT(NV04_FIFO_ENGN_DMA),
-				  0, 0x800000, 0x10000, oclass, &chan->base);
-	chan->fifo = fifo;
-	if (ret)
-		return ret;
-
-	args->v0.chid = chan->base.chid;
-	chan->ramfc = chan->base.chid * 32;
-
-	nvkm_kmap(imem->ramfc);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x00, args->v0.offset);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x04, args->v0.offset);
-	nvkm_wo32(imem->ramfc, chan->ramfc + 0x08, chan->base.push->addr >> 4);
-	nvkm_wo32(imem->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);
-	nvkm_done(imem->ramfc);
-	return 0;
-}
-
-const struct nvkm_fifo_chan_oclass
-nv04_fifo_dma_oclass = {
-	.base.oclass = NV03_CHANNEL_DMA,
-	.base.minver = 0,
-	.base.maxver = 0,
-	.ctor = nv04_fifo_dma_new,
-};