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 "nv50.h" 25 #include "channv50.h" 26 27 static void 28 g84_fifo_uevent_fini(struct nvkm_fifo *fifo) 29 { 30 struct nvkm_device *device = fifo->engine.subdev.device; 31 nvkm_mask(device, 0x002140, 0x40000000, 0x00000000); 32 } 33 34 static void 35 g84_fifo_uevent_init(struct nvkm_fifo *fifo) 36 { 37 struct nvkm_device *device = fifo->engine.subdev.device; 38 nvkm_mask(device, 0x002140, 0x40000000, 0x40000000); 39 } 40 41 static const struct nvkm_fifo_func 42 g84_fifo = { 43 .dtor = nv50_fifo_dtor, 44 .oneinit = nv50_fifo_oneinit, 45 .init = nv50_fifo_init, 46 .intr = nv04_fifo_intr, 47 .pause = nv04_fifo_pause, 48 .start = nv04_fifo_start, 49 .uevent_init = g84_fifo_uevent_init, 50 .uevent_fini = g84_fifo_uevent_fini, 51 .chan = { 52 &g84_fifo_dma_oclass, 53 &g84_fifo_gpfifo_oclass, 54 NULL 55 }, 56 }; 57 58 int 59 g84_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo) 60 { 61 return nv50_fifo_new_(&g84_fifo, device, index, pfifo); 62 } 63