1/* $NetBSD: nouveau_nvkm_subdev_ltc_gm200.c,v 1.2 2021/12/18 23:45:40 riastradh Exp $ */ 2 3/* 4 * Copyright 2015 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Ben Skeggs <bskeggs@redhat.com> 25 */ 26#include <sys/cdefs.h> 27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_ltc_gm200.c,v 1.2 2021/12/18 23:45:40 riastradh Exp $"); 28 29#include "priv.h" 30 31#include <subdev/fb.h> 32#include <subdev/timer.h> 33 34static int 35gm200_ltc_oneinit(struct nvkm_ltc *ltc) 36{ 37 struct nvkm_device *device = ltc->subdev.device; 38 39 ltc->ltc_nr = nvkm_rd32(device, 0x12006c); 40 ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28; 41 42 return gf100_ltc_oneinit_tag_ram(ltc); 43} 44static void 45gm200_ltc_init(struct nvkm_ltc *ltc) 46{ 47 nvkm_wr32(ltc->subdev.device, 0x17e278, ltc->tag_base); 48} 49 50static const struct nvkm_ltc_func 51gm200_ltc = { 52 .oneinit = gm200_ltc_oneinit, 53 .init = gm200_ltc_init, 54 .intr = gm107_ltc_intr, 55 .cbc_clear = gm107_ltc_cbc_clear, 56 .cbc_wait = gm107_ltc_cbc_wait, 57 .zbc = 16, 58 .zbc_clear_color = gm107_ltc_zbc_clear_color, 59 .zbc_clear_depth = gm107_ltc_zbc_clear_depth, 60 .invalidate = gf100_ltc_invalidate, 61 .flush = gf100_ltc_flush, 62}; 63 64int 65gm200_ltc_new(struct nvkm_device *device, int index, struct nvkm_ltc **pltc) 66{ 67 return nvkm_ltc_new_(&gm200_ltc, device, index, pltc); 68} 69