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1/*2 * Copyright (c) 2019 NVIDIA Corporation.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: Thierry Reding23 */24 25#include "priv.h"26 27static void28gp10b_ltc_init(struct nvkm_ltc *ltc)29{30 struct nvkm_device *device = ltc->subdev.device;31 u32 sid;32 33 nvkm_wr32(device, 0x17e27c, ltc->ltc_nr);34 nvkm_wr32(device, 0x17e000, ltc->ltc_nr);35 nvkm_wr32(device, 0x100800, ltc->ltc_nr);36 37 if (tegra_dev_iommu_get_stream_id(device->dev, &sid))38 nvkm_wr32(device, 0x160000, sid << 2);39}40 41static const struct nvkm_ltc_func42gp10b_ltc = {43 .oneinit = gp100_ltc_oneinit,44 .init = gp10b_ltc_init,45 .intr = gp100_ltc_intr,46 .cbc_clear = gm107_ltc_cbc_clear,47 .cbc_wait = gm107_ltc_cbc_wait,48 .zbc_color = 16,49 .zbc_depth = 16,50 .zbc_clear_color = gm107_ltc_zbc_clear_color,51 .zbc_clear_depth = gm107_ltc_zbc_clear_depth,52 .zbc_clear_stencil = gp102_ltc_zbc_clear_stencil,53 .invalidate = gf100_ltc_invalidate,54 .flush = gf100_ltc_flush,55};56 57int58gp10b_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,59 struct nvkm_ltc **pltc)60{61 return nvkm_ltc_new_(&gp10b_ltc, device, type, inst, pltc);62}63