diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c new file mode 100644 index 000000000..6b229a3fb --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/g84.c @@ -0,0 +1,231 @@ +/* + * 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 "priv.h" +#include "cgrp.h" +#include "chan.h" +#include "runl.h" + +#include <core/ramht.h> +#include <subdev/timer.h> + +#include <nvif/class.h> + +static void +g84_chan_bind(struct nvkm_chan *chan) +{ + struct nvkm_device *device = chan->cgrp->runl->fifo->engine.subdev.device; + + nvkm_wr32(device, 0x002600 + (chan->id * 4), chan->ramfc->addr >> 8); +} + +static int +g84_chan_ramfc_write(struct nvkm_chan *chan, u64 offset, u64 length, u32 devm, bool priv) +{ + struct nvkm_device *device = chan->cgrp->runl->fifo->engine.subdev.device; + const u32 limit2 = ilog2(length / 8); + int ret; + + ret = nvkm_gpuobj_new(device, 0x0200, 0, true, chan->inst, &chan->eng); + if (ret) + return ret; + + ret = nvkm_gpuobj_new(device, 0x4000, 0, false, chan->inst, &chan->pgd); + if (ret) + return ret; + + ret = nvkm_gpuobj_new(device, 0x1000, 0x400, true, chan->inst, &chan->cache); + if (ret) + return ret; + + ret = nvkm_gpuobj_new(device, 0x100, 0x100, true, chan->inst, &chan->ramfc); + if (ret) + return ret; + + ret = nvkm_ramht_new(device, 0x8000, 16, chan->inst, &chan->ramht); + if (ret) + return ret; + + nvkm_kmap(chan->ramfc); + nvkm_wo32(chan->ramfc, 0x3c, 0x403f6078); + nvkm_wo32(chan->ramfc, 0x44, 0x01003fff); + nvkm_wo32(chan->ramfc, 0x48, chan->push->node->offset >> 4); + nvkm_wo32(chan->ramfc, 0x50, lower_32_bits(offset)); + nvkm_wo32(chan->ramfc, 0x54, upper_32_bits(offset) | (limit2 << 16)); + nvkm_wo32(chan->ramfc, 0x60, 0x7fffffff); + nvkm_wo32(chan->ramfc, 0x78, 0x00000000); + nvkm_wo32(chan->ramfc, 0x7c, 0x30000000 | devm); + nvkm_wo32(chan->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) | + (4 << 24) /* SEARCH_FULL */ | + (chan->ramht->gpuobj->node->offset >> 4)); + nvkm_wo32(chan->ramfc, 0x88, chan->cache->addr >> 10); + nvkm_wo32(chan->ramfc, 0x98, chan->inst->addr >> 12); + nvkm_done(chan->ramfc); + return 0; +} + +static const struct nvkm_chan_func_ramfc +g84_chan_ramfc = { + .write = g84_chan_ramfc_write, + .ctxdma = true, + .devm = 0xfff, +}; + +const struct nvkm_chan_func +g84_chan = { + .inst = &nv50_chan_inst, + .userd = &nv50_chan_userd, + .ramfc = &g84_chan_ramfc, + .bind = g84_chan_bind, + .unbind = nv50_chan_unbind, + .start = nv50_chan_start, + .stop = nv50_chan_stop, +}; + +static void +g84_ectx_bind(struct nvkm_engn *engn, struct nvkm_cctx *cctx, struct nvkm_chan *chan) +{ + struct nvkm_subdev *subdev = &chan->cgrp->runl->fifo->engine.subdev; + struct nvkm_device *device = subdev->device; + u64 start = 0, limit = 0; + u32 flags = 0, ptr0, save; + + switch (engn->engine->subdev.type) { + case NVKM_ENGINE_GR : ptr0 = 0x0020; break; + case NVKM_ENGINE_VP : + case NVKM_ENGINE_MSPDEC: ptr0 = 0x0040; break; + case NVKM_ENGINE_MPEG : + case NVKM_ENGINE_MSPPP : ptr0 = 0x0060; break; + case NVKM_ENGINE_BSP : + case NVKM_ENGINE_MSVLD : ptr0 = 0x0080; break; + case NVKM_ENGINE_CIPHER: + case NVKM_ENGINE_SEC : ptr0 = 0x00a0; break; + case NVKM_ENGINE_CE : ptr0 = 0x00c0; break; + default: + WARN_ON(1); + return; + } + + if (!cctx) { + save = nvkm_mask(device, 0x002520, 0x0000003f, BIT(engn->id - 1)); + nvkm_wr32(device, 0x0032fc, chan->inst->addr >> 12); + nvkm_msec(device, 2000, + if (nvkm_rd32(device, 0x0032fc) != 0xffffffff) + break; + ); + nvkm_wr32(device, 0x002520, save); + } else { + flags = 0x00190000; + start = cctx->vctx->inst->addr; + limit = start + cctx->vctx->inst->size - 1; + } + + nvkm_kmap(chan->eng); + nvkm_wo32(chan->eng, ptr0 + 0x00, flags); + nvkm_wo32(chan->eng, ptr0 + 0x04, lower_32_bits(limit)); + nvkm_wo32(chan->eng, ptr0 + 0x08, lower_32_bits(start)); + nvkm_wo32(chan->eng, ptr0 + 0x0c, upper_32_bits(limit) << 24 | + lower_32_bits(start)); + nvkm_wo32(chan->eng, ptr0 + 0x10, 0x00000000); + nvkm_wo32(chan->eng, ptr0 + 0x14, 0x00000000); + nvkm_done(chan->eng); +} + +const struct nvkm_engn_func +g84_engn = { + .bind = g84_ectx_bind, + .ramht_add = nv50_eobj_ramht_add, + .ramht_del = nv50_eobj_ramht_del, +}; + +static void +g84_fifo_nonstall_block(struct nvkm_event *event, int type, int index) +{ + struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), nonstall.event); + unsigned long flags; + + spin_lock_irqsave(&fifo->lock, flags); + nvkm_mask(fifo->engine.subdev.device, 0x002140, 0x40000000, 0x00000000); + spin_unlock_irqrestore(&fifo->lock, flags); +} + +static void +g84_fifo_nonstall_allow(struct nvkm_event *event, int type, int index) +{ + struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), nonstall.event); + unsigned long flags; + + spin_lock_irqsave(&fifo->lock, flags); + nvkm_mask(fifo->engine.subdev.device, 0x002140, 0x40000000, 0x40000000); + spin_unlock_irqrestore(&fifo->lock, flags); +} + +const struct nvkm_event_func +g84_fifo_nonstall = { + .init = g84_fifo_nonstall_allow, + .fini = g84_fifo_nonstall_block, +}; + +static int +g84_fifo_runl_ctor(struct nvkm_fifo *fifo) +{ + struct nvkm_runl *runl; + + runl = nvkm_runl_new(fifo, 0, 0, 0); + if (IS_ERR(runl)) + return PTR_ERR(runl); + + nvkm_runl_add(runl, 0, fifo->func->engn_sw, NVKM_ENGINE_SW, 0); + nvkm_runl_add(runl, 0, fifo->func->engn_sw, NVKM_ENGINE_DMAOBJ, 0); + nvkm_runl_add(runl, 1, fifo->func->engn, NVKM_ENGINE_GR, 0); + nvkm_runl_add(runl, 2, fifo->func->engn, NVKM_ENGINE_MPEG, 0); + nvkm_runl_add(runl, 3, fifo->func->engn, NVKM_ENGINE_ME, 0); + nvkm_runl_add(runl, 4, fifo->func->engn, NVKM_ENGINE_VP, 0); + nvkm_runl_add(runl, 5, fifo->func->engn, NVKM_ENGINE_CIPHER, 0); + nvkm_runl_add(runl, 6, fifo->func->engn, NVKM_ENGINE_BSP, 0); + return 0; +} + +static const struct nvkm_fifo_func +g84_fifo = { + .chid_nr = nv50_fifo_chid_nr, + .chid_ctor = nv50_fifo_chid_ctor, + .runl_ctor = g84_fifo_runl_ctor, + .init = nv50_fifo_init, + .intr = nv04_fifo_intr, + .pause = nv04_fifo_pause, + .start = nv04_fifo_start, + .nonstall = &g84_fifo_nonstall, + .runl = &nv50_runl, + .engn = &g84_engn, + .engn_sw = &nv50_engn_sw, + .cgrp = {{ }, &nv04_cgrp }, + .chan = {{ 0, 0, G82_CHANNEL_GPFIFO }, &g84_chan }, +}; + +int +g84_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_fifo **pfifo) +{ + return nvkm_fifo_new_(&g84_fifo, device, type, inst, pfifo); +} |