1a96def39SBen Skeggs /* 2a96def39SBen Skeggs * Copyright 2016 Red Hat Inc. 3a96def39SBen Skeggs * 4a96def39SBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a 5a96def39SBen Skeggs * copy of this software and associated documentation files (the "Software"), 6a96def39SBen Skeggs * to deal in the Software without restriction, including without limitation 7a96def39SBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8a96def39SBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the 9a96def39SBen Skeggs * Software is furnished to do so, subject to the following conditions: 10a96def39SBen Skeggs * 11a96def39SBen Skeggs * The above copyright notice and this permission notice shall be included in 12a96def39SBen Skeggs * all copies or substantial portions of the Software. 13a96def39SBen Skeggs * 14a96def39SBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15a96def39SBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16a96def39SBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17a96def39SBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18a96def39SBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19a96def39SBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20a96def39SBen Skeggs * OTHER DEALINGS IN THE SOFTWARE. 21a96def39SBen Skeggs * 22a96def39SBen Skeggs * Authors: Ben Skeggs 23a96def39SBen Skeggs */ 24a96def39SBen Skeggs #include "priv.h" 25a96def39SBen Skeggs 26a96def39SBen Skeggs static void 27a96def39SBen Skeggs gp100_ltc_intr(struct nvkm_ltc *ltc) 28a96def39SBen Skeggs { 29a96def39SBen Skeggs struct nvkm_device *device = ltc->subdev.device; 30a96def39SBen Skeggs u32 mask; 31a96def39SBen Skeggs 32a96def39SBen Skeggs mask = nvkm_rd32(device, 0x0001c0); 33a96def39SBen Skeggs while (mask) { 34a96def39SBen Skeggs u32 s, c = __ffs(mask); 35a96def39SBen Skeggs for (s = 0; s < ltc->lts_nr; s++) 36a96def39SBen Skeggs gm107_ltc_intr_lts(ltc, c, s); 37a96def39SBen Skeggs mask &= ~(1 << c); 38a96def39SBen Skeggs } 39a96def39SBen Skeggs } 40a96def39SBen Skeggs 41a96def39SBen Skeggs static int 42a96def39SBen Skeggs gp100_ltc_oneinit(struct nvkm_ltc *ltc) 43a96def39SBen Skeggs { 44a96def39SBen Skeggs struct nvkm_device *device = ltc->subdev.device; 45a96def39SBen Skeggs ltc->ltc_nr = nvkm_rd32(device, 0x12006c); 46a96def39SBen Skeggs ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28; 47a96def39SBen Skeggs /*XXX: tagram allocation - TBD */ 48a96def39SBen Skeggs return nvkm_mm_init(<c->tags, 0, 0, 1); 49a96def39SBen Skeggs } 50a96def39SBen Skeggs 51a96def39SBen Skeggs static void 52a96def39SBen Skeggs gp100_ltc_init(struct nvkm_ltc *ltc) 53a96def39SBen Skeggs { 54a96def39SBen Skeggs /*XXX: PMU LS call to setup tagram address */ 55a96def39SBen Skeggs } 56a96def39SBen Skeggs 57a96def39SBen Skeggs static const struct nvkm_ltc_func 58a96def39SBen Skeggs gp100_ltc = { 59a96def39SBen Skeggs .oneinit = gp100_ltc_oneinit, 60a96def39SBen Skeggs .init = gp100_ltc_init, 61a96def39SBen Skeggs .intr = gp100_ltc_intr, 62a96def39SBen Skeggs .cbc_clear = gm107_ltc_cbc_clear, 63a96def39SBen Skeggs .cbc_wait = gm107_ltc_cbc_wait, 64a96def39SBen Skeggs .zbc = 16, 65a96def39SBen Skeggs .zbc_clear_color = gm107_ltc_zbc_clear_color, 66a96def39SBen Skeggs .zbc_clear_depth = gm107_ltc_zbc_clear_depth, 67a96def39SBen Skeggs .invalidate = gf100_ltc_invalidate, 68a96def39SBen Skeggs .flush = gf100_ltc_flush, 69a96def39SBen Skeggs }; 70a96def39SBen Skeggs 71a96def39SBen Skeggs int 72a96def39SBen Skeggs gp100_ltc_new(struct nvkm_device *device, int index, struct nvkm_ltc **pltc) 73a96def39SBen Skeggs { 74a96def39SBen Skeggs return nvkm_ltc_new_(&gp100_ltc, device, index, pltc); 75a96def39SBen Skeggs } 76