1 /* 2 * Copyright 2016 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * 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 OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24 #include "priv.h" 25 26 void 27 gp100_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 41 int 42 gp100_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 51 void 52 gp100_ltc_init(struct nvkm_ltc *ltc) 53 { 54 /*XXX: PMU LS call to setup tagram address */ 55 } 56 57 static const struct nvkm_ltc_func 58 gp100_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 72 int 73 gp100_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