diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c deleted file mode 100644 index 0411fb908457..000000000000 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c +++ /dev/null @@ -1,254 +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> - -static bool -nv40_fifo_dma_engine(struct nvkm_engine *engine, u32 *reg, u32 *ctx) -{ - switch (engine->subdev.type) { - case NVKM_ENGINE_DMAOBJ: - case NVKM_ENGINE_SW: - return false; - case NVKM_ENGINE_GR: - *reg = 0x0032e0; - *ctx = 0x38; - return true; - case NVKM_ENGINE_MPEG: - if (engine->subdev.device->chipset < 0x44) - return false; - *reg = 0x00330c; - *ctx = 0x54; - return true; - default: - WARN_ON(1); - return false; - } -} - -static struct nvkm_gpuobj ** -nv40_fifo_dma_engn(struct nv04_fifo_chan *chan, struct nvkm_engine *engine) -{ - int engi = chan->base.fifo->func->engine_id(chan->base.fifo, engine); - if (engi >= 0) - return &chan->engn[engi]; - return NULL; -} - -static int -nv40_fifo_dma_engine_fini(struct nvkm_fifo_chan *base, - struct nvkm_engine *engine, bool suspend) -{ - 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_instmem *imem = device->imem; - unsigned long flags; - u32 reg, ctx; - int chid; - - if (!nv40_fifo_dma_engine(engine, ®, &ctx)) - return 0; - - spin_lock_irqsave(&fifo->base.lock, flags); - nvkm_mask(device, 0x002500, 0x00000001, 0x00000000); - - chid = nvkm_rd32(device, 0x003204) & (fifo->base.nr - 1); - if (chid == chan->base.chid) - nvkm_wr32(device, reg, 0x00000000); - nvkm_kmap(imem->ramfc); - nvkm_wo32(imem->ramfc, chan->ramfc + ctx, 0x00000000); - nvkm_done(imem->ramfc); - - nvkm_mask(device, 0x002500, 0x00000001, 0x00000001); - spin_unlock_irqrestore(&fifo->base.lock, flags); - return 0; -} - -static int -nv40_fifo_dma_engine_init(struct nvkm_fifo_chan *base, - struct nvkm_engine *engine) -{ - 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_instmem *imem = device->imem; - unsigned long flags; - u32 inst, reg, ctx; - int chid; - - if (!nv40_fifo_dma_engine(engine, ®, &ctx)) - return 0; - inst = (*nv40_fifo_dma_engn(chan, engine))->addr >> 4; - - spin_lock_irqsave(&fifo->base.lock, flags); - nvkm_mask(device, 0x002500, 0x00000001, 0x00000000); - - chid = nvkm_rd32(device, 0x003204) & (fifo->base.nr - 1); - if (chid == chan->base.chid) - nvkm_wr32(device, reg, inst); - nvkm_kmap(imem->ramfc); - nvkm_wo32(imem->ramfc, chan->ramfc + ctx, inst); - nvkm_done(imem->ramfc); - - nvkm_mask(device, 0x002500, 0x00000001, 0x00000001); - spin_unlock_irqrestore(&fifo->base.lock, flags); - return 0; -} - -static void -nv40_fifo_dma_engine_dtor(struct nvkm_fifo_chan *base, - struct nvkm_engine *engine) -{ - struct nv04_fifo_chan *chan = nv04_fifo_chan(base); - nvkm_gpuobj_del(nv40_fifo_dma_engn(chan, engine)); -} - -static int -nv40_fifo_dma_engine_ctor(struct nvkm_fifo_chan *base, - struct nvkm_engine *engine, - struct nvkm_object *object) -{ - struct nv04_fifo_chan *chan = nv04_fifo_chan(base); - u32 reg, ctx; - - if (!nv40_fifo_dma_engine(engine, ®, &ctx)) - return 0; - - return nvkm_object_bind(object, NULL, 0, nv40_fifo_dma_engn(chan, engine)); -} - -static int -nv40_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 = chan->base.chid << 23; - 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 |= 0x00100000; break; - case NVKM_ENGINE_MPEG : context |= 0x00200000; 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; -} - -static const struct nvkm_fifo_chan_func -nv40_fifo_dma_func = { - .dtor = nv04_fifo_dma_dtor, - .init = nv04_fifo_dma_init, - .fini = nv04_fifo_dma_fini, - .engine_ctor = nv40_fifo_dma_engine_ctor, - .engine_dtor = nv40_fifo_dma_engine_dtor, - .engine_init = nv40_fifo_dma_engine_init, - .engine_fini = nv40_fifo_dma_engine_fini, - .object_ctor = nv40_fifo_dma_object_ctor, - .object_dtor = nv04_fifo_dma_object_dtor, -}; - -static int -nv40_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(&nv40_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_MPEG) | - BIT(NV04_FIFO_ENGN_DMA), - 0, 0xc00000, 0x1000, oclass, &chan->base); - chan->fifo = fifo; - if (ret) - return ret; - - args->v0.chid = chan->base.chid; - chan->ramfc = chan->base.chid * 128; - - 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 + 0x0c, chan->base.push->addr >> 4); - nvkm_wo32(imem->ramfc, chan->ramfc + 0x18, 0x30000000 | - 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_wo32(imem->ramfc, chan->ramfc + 0x3c, 0x0001ffff); - nvkm_done(imem->ramfc); - return 0; -} - -const struct nvkm_fifo_chan_oclass -nv40_fifo_dma_oclass = { - .base.oclass = NV40_CHANNEL_DMA, - .base.minver = 0, - .base.maxver = 0, - .ctor = nv40_fifo_dma_new, -}; |