133 lines · c
1/*2 * Copyright 2016 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs23 */24#include "priv.h"25#include "cgrp.h"26#include "chan.h"27#include "chid.h"28#include "runl.h"29 30#include <core/memory.h>31#include <subdev/timer.h>32 33#include <nvif/class.h>34 35void36gk110_chan_preempt(struct nvkm_chan *chan)37{38 struct nvkm_cgrp *cgrp = chan->cgrp;39 40 if (cgrp->hw) {41 cgrp->func->preempt(cgrp);42 return;43 }44 45 gf100_chan_preempt(chan);46}47 48const struct nvkm_chan_func49gk110_chan = {50 .inst = &gf100_chan_inst,51 .userd = &gk104_chan_userd,52 .ramfc = &gk104_chan_ramfc,53 .bind = gk104_chan_bind,54 .unbind = gk104_chan_unbind,55 .start = gk104_chan_start,56 .stop = gk104_chan_stop,57 .preempt = gk110_chan_preempt,58};59 60static void61gk110_cgrp_preempt(struct nvkm_cgrp *cgrp)62{63 nvkm_wr32(cgrp->runl->fifo->engine.subdev.device, 0x002634, 0x01000000 | cgrp->id);64}65 66const struct nvkm_cgrp_func67gk110_cgrp = {68 .preempt = gk110_cgrp_preempt,69};70 71void72gk110_runl_insert_cgrp(struct nvkm_cgrp *cgrp, struct nvkm_memory *memory, u64 offset)73{74 nvkm_wo32(memory, offset + 0, (cgrp->chan_nr << 26) | (128 << 18) |75 (3 << 14) | 0x00002000 | cgrp->id);76 nvkm_wo32(memory, offset + 4, 0x00000000);77}78 79const struct nvkm_runl_func80gk110_runl = {81 .size = 8,82 .update = nv50_runl_update,83 .insert_cgrp = gk110_runl_insert_cgrp,84 .insert_chan = gk104_runl_insert_chan,85 .commit = gk104_runl_commit,86 .wait = nv50_runl_wait,87 .pending = gk104_runl_pending,88 .block = gk104_runl_block,89 .allow = gk104_runl_allow,90 .fault_clear = gk104_runl_fault_clear,91 .preempt_pending = gf100_runl_preempt_pending,92};93 94int95gk110_fifo_chid_ctor(struct nvkm_fifo *fifo, int nr)96{97 int ret;98 99 ret = nvkm_chid_new(&nvkm_chan_event, &fifo->engine.subdev, nr, 0, nr, &fifo->cgid);100 if (ret)101 return ret;102 103 return gf100_fifo_chid_ctor(fifo, nr);104}105 106static const struct nvkm_fifo_func107gk110_fifo = {108 .chid_nr = gk104_fifo_chid_nr,109 .chid_ctor = gk110_fifo_chid_ctor,110 .runq_nr = gf100_fifo_runq_nr,111 .runl_ctor = gk104_fifo_runl_ctor,112 .init = gk104_fifo_init,113 .init_pbdmas = gk104_fifo_init_pbdmas,114 .intr = gk104_fifo_intr,115 .intr_mmu_fault_unit = gf100_fifo_intr_mmu_fault_unit,116 .intr_ctxsw_timeout = gf100_fifo_intr_ctxsw_timeout,117 .mmu_fault = &gk104_fifo_mmu_fault,118 .nonstall = &gf100_fifo_nonstall,119 .runl = &gk110_runl,120 .runq = &gk104_runq,121 .engn = &gk104_engn,122 .engn_ce = &gk104_engn_ce,123 .cgrp = {{ 0, 0, KEPLER_CHANNEL_GROUP_A }, &gk110_cgrp },124 .chan = {{ 0, 0, KEPLER_CHANNEL_GPFIFO_B }, &gk110_chan },125};126 127int128gk110_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,129 struct nvkm_fifo **pfifo)130{131 return nvkm_fifo_new_(&gk110_fifo, device, type, inst, pfifo);132}133