1 /* 2 * Copyright 2015 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 "gk104.h" 25 #include "changk104.h" 26 27 #include <nvif/class.h> 28 29 int 30 gm200_fifo_pbdma_nr(struct gk104_fifo *fifo) 31 { 32 struct nvkm_device *device = fifo->base.engine.subdev.device; 33 return nvkm_rd32(device, 0x002004) & 0x000000ff; 34 } 35 36 const struct gk104_fifo_pbdma_func 37 gm200_fifo_pbdma = { 38 .nr = gm200_fifo_pbdma_nr, 39 .init = gk104_fifo_pbdma_init, 40 .init_timeout = gk208_fifo_pbdma_init_timeout, 41 }; 42 43 static const struct gk104_fifo_func 44 gm200_fifo = { 45 .pbdma = &gm200_fifo_pbdma, 46 .fault.access = gk104_fifo_fault_access, 47 .fault.engine = gm107_fifo_fault_engine, 48 .fault.reason = gk104_fifo_fault_reason, 49 .fault.hubclient = gk104_fifo_fault_hubclient, 50 .fault.gpcclient = gk104_fifo_fault_gpcclient, 51 .runlist = &gm107_fifo_runlist, 52 .chan = {{0,0,MAXWELL_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new }, 53 }; 54 55 int 56 gm200_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo) 57 { 58 return gk104_fifo_new_(&gm200_fifo, device, index, 4096, pfifo); 59 } 60