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 void 27 nv44_mc_init(struct nvkm_mc *mc) 28 { 29 struct nvkm_device *device = mc->subdev.device; 30 u32 tmp = nvkm_rd32(device, 0x10020c); 31 32 nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */ 33 34 nvkm_wr32(device, 0x001700, tmp); 35 nvkm_wr32(device, 0x001704, 0); 36 nvkm_wr32(device, 0x001708, 0); 37 nvkm_wr32(device, 0x00170c, tmp); 38 } 39 40 static const struct nvkm_mc_func 41 nv44_mc = { 42 .init = nv44_mc_init, 43 .intr = nv04_mc_intr, 44 .intr_unarm = nv04_mc_intr_unarm, 45 .intr_rearm = nv04_mc_intr_rearm, 46 .intr_mask = nv04_mc_intr_mask, 47 }; 48 49 int 50 nv44_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc) 51 { 52 return nvkm_mc_new_(&nv44_mc, device, index, pmc); 53 } 54