diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c new file mode 100644 index 000000000..a8ff21cf7 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c @@ -0,0 +1,132 @@ +/* + * Copyright 2016 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 "chid.h" +#include "runl.h" + +#include <core/memory.h> +#include <subdev/timer.h> + +#include <nvif/class.h> + +void +gk110_chan_preempt(struct nvkm_chan *chan) +{ + struct nvkm_cgrp *cgrp = chan->cgrp; + + if (cgrp->hw) { + cgrp->func->preempt(cgrp); + return; + } + + gf100_chan_preempt(chan); +} + +const struct nvkm_chan_func +gk110_chan = { + .inst = &gf100_chan_inst, + .userd = &gk104_chan_userd, + .ramfc = &gk104_chan_ramfc, + .bind = gk104_chan_bind, + .unbind = gk104_chan_unbind, + .start = gk104_chan_start, + .stop = gk104_chan_stop, + .preempt = gk110_chan_preempt, +}; + +static void +gk110_cgrp_preempt(struct nvkm_cgrp *cgrp) +{ + nvkm_wr32(cgrp->runl->fifo->engine.subdev.device, 0x002634, 0x01000000 | cgrp->id); +} + +const struct nvkm_cgrp_func +gk110_cgrp = { + .preempt = gk110_cgrp_preempt, +}; + +void +gk110_runl_insert_cgrp(struct nvkm_cgrp *cgrp, struct nvkm_memory *memory, u64 offset) +{ + nvkm_wo32(memory, offset + 0, (cgrp->chan_nr << 26) | (128 << 18) | + (3 << 14) | 0x00002000 | cgrp->id); + nvkm_wo32(memory, offset + 4, 0x00000000); +} + +const struct nvkm_runl_func +gk110_runl = { + .size = 8, + .update = nv50_runl_update, + .insert_cgrp = gk110_runl_insert_cgrp, + .insert_chan = gk104_runl_insert_chan, + .commit = gk104_runl_commit, + .wait = nv50_runl_wait, + .pending = gk104_runl_pending, + .block = gk104_runl_block, + .allow = gk104_runl_allow, + .fault_clear = gk104_runl_fault_clear, + .preempt_pending = gf100_runl_preempt_pending, +}; + +int +gk110_fifo_chid_ctor(struct nvkm_fifo *fifo, int nr) +{ + int ret; + + ret = nvkm_chid_new(&nvkm_chan_event, &fifo->engine.subdev, nr, 0, nr, &fifo->cgid); + if (ret) + return ret; + + return gf100_fifo_chid_ctor(fifo, nr); +} + +static const struct nvkm_fifo_func +gk110_fifo = { + .chid_nr = gk104_fifo_chid_nr, + .chid_ctor = gk110_fifo_chid_ctor, + .runq_nr = gf100_fifo_runq_nr, + .runl_ctor = gk104_fifo_runl_ctor, + .init = gk104_fifo_init, + .init_pbdmas = gk104_fifo_init_pbdmas, + .intr = gk104_fifo_intr, + .intr_mmu_fault_unit = gf100_fifo_intr_mmu_fault_unit, + .intr_ctxsw_timeout = gf100_fifo_intr_ctxsw_timeout, + .mmu_fault = &gk104_fifo_mmu_fault, + .nonstall = &gf100_fifo_nonstall, + .runl = &gk110_runl, + .runq = &gk104_runq, + .engn = &gk104_engn, + .engn_ce = &gk104_engn_ce, + .cgrp = {{ 0, 0, KEPLER_CHANNEL_GROUP_A }, &gk110_cgrp }, + .chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_B }, &gk110_chan }, +}; + +int +gk110_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_fifo **pfifo) +{ + return nvkm_fifo_new_(&gk110_fifo, device, type, inst, pfifo); +} |