1 /* 2 * Copyright 2012 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 #include <nvif/class.h> 27 28 void 29 gk104_ce_intr(struct nvkm_engine *ce) 30 { 31 const u32 base = (ce->subdev.index - NVKM_ENGINE_CE0) * 0x1000; 32 struct nvkm_subdev *subdev = &ce->subdev; 33 struct nvkm_device *device = subdev->device; 34 u32 stat = nvkm_rd32(device, 0x104908 + base); 35 if (stat) { 36 nvkm_warn(subdev, "intr %08x\n", stat); 37 nvkm_wr32(device, 0x104908 + base, stat); 38 } 39 } 40 41 static const struct nvkm_engine_func 42 gk104_ce = { 43 .intr = gk104_ce_intr, 44 .sclass = { 45 { -1, -1, KEPLER_DMA_COPY_A }, 46 {} 47 } 48 }; 49 50 int 51 gk104_ce_new(struct nvkm_device *device, int index, 52 struct nvkm_engine **pengine) 53 { 54 if (index == NVKM_ENGINE_CE0) { 55 return nvkm_engine_new_(&gk104_ce, device, index, 56 0x00000040, true, pengine); 57 } else 58 if (index == NVKM_ENGINE_CE1) { 59 return nvkm_engine_new_(&gk104_ce, device, index, 60 0x00000080, true, pengine); 61 } else 62 if (index == NVKM_ENGINE_CE2) { 63 return nvkm_engine_new_(&gk104_ce, device, index, 64 0x00200000, true, pengine); 65 } 66 return -ENODEV; 67 } 68