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1/*2 * Copyright 2015 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 Skeggs <bskeggs@redhat.com>23 */24#include "priv.h"25 26#include <subdev/fb.h>27#include <subdev/timer.h>28 29static int30gm200_ltc_oneinit(struct nvkm_ltc *ltc)31{32 struct nvkm_device *device = ltc->subdev.device;33 34 ltc->ltc_nr = nvkm_rd32(device, 0x12006c);35 ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28;36 37 return gf100_ltc_oneinit_tag_ram(ltc);38}39static void40gm200_ltc_init(struct nvkm_ltc *ltc)41{42 nvkm_wr32(ltc->subdev.device, 0x17e278, ltc->tag_base);43}44 45static const struct nvkm_ltc_func46gm200_ltc = {47 .oneinit = gm200_ltc_oneinit,48 .init = gm200_ltc_init,49 .intr = gm107_ltc_intr,50 .cbc_clear = gm107_ltc_cbc_clear,51 .cbc_wait = gm107_ltc_cbc_wait,52 .zbc_color = 16,53 .zbc_depth = 16,54 .zbc_clear_color = gm107_ltc_zbc_clear_color,55 .zbc_clear_depth = gm107_ltc_zbc_clear_depth,56 .invalidate = gf100_ltc_invalidate,57 .flush = gf100_ltc_flush,58};59 60int61gm200_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,62 struct nvkm_ltc **pltc)63{64 return nvkm_ltc_new_(&gm200_ltc, device, type, inst, pltc);65}66