diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c | 356 |
1 files changed, 356 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c new file mode 100644 index 000000000000..5bfc96265f3b --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv40.c @@ -0,0 +1,356 @@ +/* + * 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 "nv04.h" + +#include <core/client.h> +#include <core/device.h> +#include <core/engctx.h> +#include <core/ramht.h> +#include <subdev/fb.h> +#include <subdev/instmem/nv04.h> + +#include <nvif/class.h> +#include <nvif/unpack.h> + +static struct ramfc_desc +nv40_ramfc[] = { + { 32, 0, 0x00, 0, NV04_PFIFO_CACHE1_DMA_PUT }, + { 32, 0, 0x04, 0, NV04_PFIFO_CACHE1_DMA_GET }, + { 32, 0, 0x08, 0, NV10_PFIFO_CACHE1_REF_CNT }, + { 32, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE }, + { 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT }, + { 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_DMA_STATE }, + { 28, 0, 0x18, 0, NV04_PFIFO_CACHE1_DMA_FETCH }, + { 2, 28, 0x18, 28, 0x002058 }, + { 32, 0, 0x1c, 0, NV04_PFIFO_CACHE1_ENGINE }, + { 32, 0, 0x20, 0, NV04_PFIFO_CACHE1_PULL1 }, + { 32, 0, 0x24, 0, NV10_PFIFO_CACHE1_ACQUIRE_VALUE }, + { 32, 0, 0x28, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP }, + { 32, 0, 0x2c, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT }, + { 32, 0, 0x30, 0, NV10_PFIFO_CACHE1_SEMAPHORE }, + { 32, 0, 0x34, 0, NV10_PFIFO_CACHE1_DMA_SUBROUTINE }, + { 32, 0, 0x38, 0, NV40_PFIFO_GRCTX_INSTANCE }, + { 17, 0, 0x3c, 0, NV04_PFIFO_DMA_TIMESLICE }, + { 32, 0, 0x40, 0, 0x0032e4 }, + { 32, 0, 0x44, 0, 0x0032e8 }, + { 32, 0, 0x4c, 0, 0x002088 }, + { 32, 0, 0x50, 0, 0x003300 }, + { 32, 0, 0x54, 0, 0x00330c }, + {} +}; + +/******************************************************************************* + * FIFO channel objects + ******************************************************************************/ + +static int +nv40_fifo_object_attach(struct nvkm_object *parent, + struct nvkm_object *object, u32 handle) +{ + struct nv04_fifo_priv *priv = (void *)parent->engine; + struct nv04_fifo_chan *chan = (void *)parent; + 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 */ + + 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(priv)->mutex); + ret = nvkm_ramht_insert(priv->ramht, chid, handle, context); + mutex_unlock(&nv_subdev(priv)->mutex); + return ret; +} + +static int +nv40_fifo_context_attach(struct nvkm_object *parent, struct nvkm_object *engctx) +{ + struct nv04_fifo_priv *priv = (void *)parent->engine; + struct nv04_fifo_chan *chan = (void *)parent; + 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(&priv->base.lock, flags); + nv_engctx(engctx)->addr = nv_gpuobj(engctx)->addr >> 4; + nv_mask(priv, 0x002500, 0x00000001, 0x00000000); + + if ((nv_rd32(priv, 0x003204) & priv->base.max) == chan->base.chid) + nv_wr32(priv, reg, nv_engctx(engctx)->addr); + nv_wo32(priv->ramfc, chan->ramfc + ctx, nv_engctx(engctx)->addr); + + nv_mask(priv, 0x002500, 0x00000001, 0x00000001); + spin_unlock_irqrestore(&priv->base.lock, flags); + return 0; +} + +static int +nv40_fifo_context_detach(struct nvkm_object *parent, bool suspend, + struct nvkm_object *engctx) +{ + struct nv04_fifo_priv *priv = (void *)parent->engine; + struct nv04_fifo_chan *chan = (void *)parent; + 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(&priv->base.lock, flags); + nv_mask(priv, 0x002500, 0x00000001, 0x00000000); + + if ((nv_rd32(priv, 0x003204) & priv->base.max) == chan->base.chid) + nv_wr32(priv, reg, 0x00000000); + nv_wo32(priv->ramfc, chan->ramfc + ctx, 0x00000000); + + nv_mask(priv, 0x002500, 0x00000001, 0x00000001); + spin_unlock_irqrestore(&priv->base.lock, flags); + return 0; +} + +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_priv *priv = (void *)engine; + struct nv04_fifo_chan *chan; + int ret; + + nv_ioctl(parent, "create channel dma size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create channel dma vers %d pushbuf %08x " + "offset %016llx\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; + + nv_wo32(priv->ramfc, chan->ramfc + 0x00, args->v0.offset); + nv_wo32(priv->ramfc, chan->ramfc + 0x04, args->v0.offset); + nv_wo32(priv->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4); + nv_wo32(priv->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); + nv_wo32(priv->ramfc, chan->ramfc + 0x3c, 0x0001ffff); + 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 +}; + +static struct nvkm_oclass +nv40_fifo_sclass[] = { + { NV40_CHANNEL_DMA, &nv40_fifo_ofuncs }, + {} +}; + +/******************************************************************************* + * FIFO context - basically just the instmem reserved for the channel + ******************************************************************************/ + +static struct nvkm_oclass +nv40_fifo_cclass = { + .handle = NV_ENGCTX(FIFO, 0x40), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv04_fifo_context_ctor, + .dtor = _nvkm_fifo_context_dtor, + .init = _nvkm_fifo_context_init, + .fini = _nvkm_fifo_context_fini, + .rd32 = _nvkm_fifo_context_rd32, + .wr32 = _nvkm_fifo_context_wr32, + }, +}; + +/******************************************************************************* + * PFIFO engine + ******************************************************************************/ + +static int +nv40_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nv04_instmem_priv *imem = nv04_instmem(parent); + struct nv04_fifo_priv *priv; + int ret; + + ret = nvkm_fifo_create(parent, engine, oclass, 0, 31, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nvkm_ramht_ref(imem->ramht, &priv->ramht); + nvkm_gpuobj_ref(imem->ramro, &priv->ramro); + nvkm_gpuobj_ref(imem->ramfc, &priv->ramfc); + + nv_subdev(priv)->unit = 0x00000100; + nv_subdev(priv)->intr = nv04_fifo_intr; + nv_engine(priv)->cclass = &nv40_fifo_cclass; + nv_engine(priv)->sclass = nv40_fifo_sclass; + priv->base.pause = nv04_fifo_pause; + priv->base.start = nv04_fifo_start; + priv->ramfc_desc = nv40_ramfc; + return 0; +} + +static int +nv40_fifo_init(struct nvkm_object *object) +{ + struct nv04_fifo_priv *priv = (void *)object; + struct nvkm_fb *pfb = nvkm_fb(object); + int ret; + + ret = nvkm_fifo_init(&priv->base); + if (ret) + return ret; + + nv_wr32(priv, 0x002040, 0x000000ff); + nv_wr32(priv, 0x002044, 0x2101ffff); + nv_wr32(priv, 0x002058, 0x00000001); + + nv_wr32(priv, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ | + ((priv->ramht->bits - 9) << 16) | + (priv->ramht->gpuobj.addr >> 8)); + nv_wr32(priv, NV03_PFIFO_RAMRO, priv->ramro->addr >> 8); + + switch (nv_device(priv)->chipset) { + case 0x47: + case 0x49: + case 0x4b: + nv_wr32(priv, 0x002230, 0x00000001); + case 0x40: + case 0x41: + case 0x42: + case 0x43: + case 0x45: + case 0x48: + nv_wr32(priv, 0x002220, 0x00030002); + break; + default: + nv_wr32(priv, 0x002230, 0x00000000); + nv_wr32(priv, 0x002220, ((pfb->ram->size - 512 * 1024 + + priv->ramfc->addr) >> 16) | + 0x00030000); + break; + } + + nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH1, priv->base.max); + + nv_wr32(priv, NV03_PFIFO_INTR_0, 0xffffffff); + nv_wr32(priv, NV03_PFIFO_INTR_EN_0, 0xffffffff); + + nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH0, 1); + nv_wr32(priv, NV04_PFIFO_CACHE1_PULL0, 1); + nv_wr32(priv, NV03_PFIFO_CACHES, 1); + return 0; +} + +struct nvkm_oclass * +nv40_fifo_oclass = &(struct nvkm_oclass) { + .handle = NV_ENGINE(FIFO, 0x40), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = nv40_fifo_ctor, + .dtor = nv04_fifo_dtor, + .init = nv40_fifo_init, + .fini = _nvkm_fifo_fini, + }, +}; |