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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 26void27gp100_ltc_intr(struct nvkm_ltc *ltc)28{29 struct nvkm_device *device = ltc->subdev.device;30 u32 mask;31 32 mask = nvkm_rd32(device, 0x0001c0);33 while (mask) {34 u32 s, c = __ffs(mask);35 for (s = 0; s < ltc->lts_nr; s++)36 gm107_ltc_intr_lts(ltc, c, s);37 mask &= ~(1 << c);38 }39}40 41int42gp100_ltc_oneinit(struct nvkm_ltc *ltc)43{44 struct nvkm_device *device = ltc->subdev.device;45 ltc->ltc_nr = nvkm_rd32(device, 0x12006c);46 ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28;47 /*XXX: tagram allocation - TBD */48 return 0;49}50 51void52gp100_ltc_init(struct nvkm_ltc *ltc)53{54 /*XXX: PMU LS call to setup tagram address */55}56 57static const struct nvkm_ltc_func58gp100_ltc = {59 .oneinit = gp100_ltc_oneinit,60 .init = gp100_ltc_init,61 .intr = gp100_ltc_intr,62 .cbc_clear = gm107_ltc_cbc_clear,63 .cbc_wait = gm107_ltc_cbc_wait,64 .zbc_color = 16,65 .zbc_depth = 16,66 .zbc_clear_color = gm107_ltc_zbc_clear_color,67 .zbc_clear_depth = gm107_ltc_zbc_clear_depth,68 .invalidate = gf100_ltc_invalidate,69 .flush = gf100_ltc_flush,70};71 72int73gp100_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,74 struct nvkm_ltc **pltc)75{76 return nvkm_ltc_new_(&gp100_ltc, device, type, inst, pltc);77}78