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1/*2 * Copyright 2012 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 26static void27gk104_ltc_init(struct nvkm_ltc *ltc)28{29 struct nvkm_device *device = ltc->subdev.device;30 u32 lpg128 = !(nvkm_rd32(device, 0x100c80) & 0x00000001);31 32 nvkm_wr32(device, 0x17e8d8, ltc->ltc_nr);33 nvkm_wr32(device, 0x17e000, ltc->ltc_nr);34 nvkm_wr32(device, 0x17e8d4, ltc->tag_base);35 nvkm_mask(device, 0x17e8c0, 0x00000002, lpg128 ? 0x00000002 : 0x00000000);36}37 38static const struct nvkm_ltc_func39gk104_ltc = {40 .oneinit = gf100_ltc_oneinit,41 .init = gk104_ltc_init,42 .intr = gf100_ltc_intr,43 .cbc_clear = gf100_ltc_cbc_clear,44 .cbc_wait = gf100_ltc_cbc_wait,45 .zbc_color = 16,46 .zbc_depth = 16,47 .zbc_clear_color = gf100_ltc_zbc_clear_color,48 .zbc_clear_depth = gf100_ltc_zbc_clear_depth,49 .invalidate = gf100_ltc_invalidate,50 .flush = gf100_ltc_flush,51};52 53int54gk104_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,55 struct nvkm_ltc **pltc)56{57 return nvkm_ltc_new_(&gk104_ltc, device, type, inst, pltc);58}59