diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c | 226 |
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, -}; |