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1/*2 * Copyright 2021 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#include "priv.h"23 24#include <subdev/gsp.h>25#include <subdev/vfn.h>26 27#include <nvif/class.h>28 29static irqreturn_t30ga100_ce_intr(struct nvkm_inth *inth)31{32 struct nvkm_subdev *subdev = container_of(inth, typeof(*subdev), inth);33 34 /*TODO*/35 nvkm_error(subdev, "intr\n");36 return IRQ_NONE;37}38 39int40ga100_ce_nonstall(struct nvkm_engine *engine)41{42 struct nvkm_subdev *subdev = &engine->subdev;43 struct nvkm_device *device = subdev->device;44 45 return nvkm_rd32(device, 0x104424 + (subdev->inst * 0x80)) & 0x00000fff;46}47 48int49ga100_ce_fini(struct nvkm_engine *engine, bool suspend)50{51 nvkm_inth_block(&engine->subdev.inth);52 return 0;53}54 55int56ga100_ce_init(struct nvkm_engine *engine)57{58 nvkm_inth_allow(&engine->subdev.inth);59 return 0;60}61 62int63ga100_ce_oneinit(struct nvkm_engine *engine)64{65 struct nvkm_subdev *subdev = &engine->subdev;66 struct nvkm_device *device = subdev->device;67 u32 vector;68 69 vector = nvkm_rd32(device, 0x10442c + (subdev->inst * 0x80)) & 0x00000fff;70 71 return nvkm_inth_add(&device->vfn->intr, vector, NVKM_INTR_PRIO_NORMAL,72 subdev, ga100_ce_intr, &subdev->inth);73}74 75static const struct nvkm_engine_func76ga100_ce = {77 .oneinit = ga100_ce_oneinit,78 .init = ga100_ce_init,79 .fini = ga100_ce_fini,80 .nonstall = ga100_ce_nonstall,81 .cclass = &gv100_ce_cclass,82 .sclass = {83 { -1, -1, AMPERE_DMA_COPY_A },84 {}85 }86};87 88int89ga100_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,90 struct nvkm_engine **pengine)91{92 if (nvkm_gsp_rm(device->gsp))93 return r535_ce_new(&ga100_ce, device, type, inst, pengine);94 95 return nvkm_engine_new_(&ga100_ce, device, type, inst, true, pengine);96}97