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/*
* 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);
}
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