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 | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c new file mode 100644 index 0000000..cd3503c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv40.c @@ -0,0 +1,225 @@ +/* + * 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/unpack.h> + +static int +nv40_fifo_context_detach(struct nvkm_object *parent, bool suspend, + struct nvkm_object *engctx) +{ + struct nv04_fifo *fifo = (void *)parent->engine; + struct nv04_fifo_chan *chan = (void *)parent; + struct nvkm_device *device = fifo->base.engine.subdev.device; + struct nvkm_instmem *imem = device->imem; + unsigned long flags; + u32 reg, ctx; + + switch (nv_engidx(engctx->engine)) { + case NVDEV_ENGINE_SW: + return 0; + case NVDEV_ENGINE_GR: + reg = 0x32e0; + ctx = 0x38; + break; + case NVDEV_ENGINE_MPEG: + reg = 0x330c; + ctx = 0x54; + break; + default: + return -EINVAL; + } + + spin_lock_irqsave(&fifo->base.lock, flags); + nvkm_mask(device, 0x002500, 0x00000001, 0x00000000); + + if ((nvkm_rd32(device, 0x003204) & fifo->base.max) == 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_context_attach(struct nvkm_object *parent, struct nvkm_object *engctx) +{ + struct nv04_fifo *fifo = (void *)parent->engine; + struct nv04_fifo_chan *chan = (void *)parent; + struct nvkm_device *device = fifo->base.engine.subdev.device; + struct nvkm_instmem *imem = device->imem; + unsigned long flags; + u32 reg, ctx; + + switch (nv_engidx(engctx->engine)) { + case NVDEV_ENGINE_SW: + return 0; + case NVDEV_ENGINE_GR: + reg = 0x32e0; + ctx = 0x38; + break; + case NVDEV_ENGINE_MPEG: + reg = 0x330c; + ctx = 0x54; + break; + default: + return -EINVAL; + } + + spin_lock_irqsave(&fifo->base.lock, flags); + nv_engctx(engctx)->addr = nv_gpuobj(engctx)->addr >> 4; + nvkm_mask(device, 0x002500, 0x00000001, 0x00000000); + + if ((nvkm_rd32(device, 0x003204) & fifo->base.max) == chan->base.chid) + nvkm_wr32(device, reg, nv_engctx(engctx)->addr); + nvkm_kmap(imem->ramfc); + nvkm_wo32(imem->ramfc, chan->ramfc + ctx, nv_engctx(engctx)->addr); + nvkm_done(imem->ramfc); + + nvkm_mask(device, 0x002500, 0x00000001, 0x00000001); + spin_unlock_irqrestore(&fifo->base.lock, flags); + return 0; +} + +static int +nv40_fifo_object_attach(struct nvkm_object *parent, + struct nvkm_object *object, u32 handle) +{ + struct nv04_fifo *fifo = (void *)parent->engine; + struct nv04_fifo_chan *chan = (void *)parent; + struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem; + u32 context, chid = chan->base.chid; + int ret; + + if (nv_iclass(object, NV_GPUOBJ_CLASS)) + context = nv_gpuobj(object)->addr >> 4; + else + context = 0x00000004; /* just non-zero */ + + if (object->engine) { + switch (nv_engidx(object->engine)) { + case NVDEV_ENGINE_DMAOBJ: + case NVDEV_ENGINE_SW: + context |= 0x00000000; + break; + case NVDEV_ENGINE_GR: + context |= 0x00100000; + break; + case NVDEV_ENGINE_MPEG: + context |= 0x00200000; + break; + default: + return -EINVAL; + } + } + + context |= chid << 23; + + mutex_lock(&nv_subdev(fifo)->mutex); + ret = nvkm_ramht_insert(imem->ramht, NULL, chid, 0, handle, context); + mutex_unlock(&nv_subdev(fifo)->mutex); + return ret; +} + +static int +nv40_fifo_chan_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + union { + struct nv03_channel_dma_v0 v0; + } *args = data; + struct nv04_fifo *fifo = (void *)engine; + struct nvkm_instmem *imem = fifo->base.engine.subdev.device->imem; + struct nv04_fifo_chan *chan; + int ret; + + nvif_ioctl(parent, "create channel dma size %d\n", size); + if (nvif_unpack(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); + } else + return ret; + + ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000, + 0x1000, args->v0.pushbuf, + (1ULL << NVDEV_ENGINE_DMAOBJ) | + (1ULL << NVDEV_ENGINE_SW) | + (1ULL << NVDEV_ENGINE_GR) | + (1ULL << NVDEV_ENGINE_MPEG), &chan); + *pobject = nv_object(chan); + if (ret) + return ret; + + args->v0.chid = chan->base.chid; + + nv_parent(chan)->context_attach = nv40_fifo_context_attach; + nv_parent(chan)->context_detach = nv40_fifo_context_detach; + nv_parent(chan)->object_attach = nv40_fifo_object_attach; + nv_parent(chan)->object_detach = nv04_fifo_object_detach; + 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.pushgpu->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; +} + +static struct nvkm_ofuncs +nv40_fifo_ofuncs = { + .ctor = nv40_fifo_chan_ctor, + .dtor = nv04_fifo_chan_dtor, + .init = nv04_fifo_chan_init, + .fini = nv04_fifo_chan_fini, + .map = _nvkm_fifo_channel_map, + .rd32 = _nvkm_fifo_channel_rd32, + .wr32 = _nvkm_fifo_channel_wr32, + .ntfy = _nvkm_fifo_channel_ntfy +}; + +struct nvkm_oclass +nv40_fifo_sclass[] = { + { NV40_CHANNEL_DMA, &nv40_fifo_ofuncs }, + {} +}; |