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 const struct nvkm_mc_map 27 nv04_mc_reset[] = { 28 { 0x00001000, NVKM_ENGINE_GR }, 29 { 0x00000100, NVKM_ENGINE_FIFO }, 30 {} 31 }; 32 33 static const struct nvkm_mc_map 34 nv04_mc_intr[] = { 35 { 0x01010000, NVKM_ENGINE_DISP }, 36 { 0x00001000, NVKM_ENGINE_GR }, 37 { 0x00000100, NVKM_ENGINE_FIFO }, 38 { 0x10000000, NVKM_SUBDEV_BUS }, 39 { 0x00100000, NVKM_SUBDEV_TIMER }, 40 {} 41 }; 42 43 void 44 nv04_mc_intr_unarm(struct nvkm_mc *mc) 45 { 46 struct nvkm_device *device = mc->subdev.device; 47 nvkm_wr32(device, 0x000140, 0x00000000); 48 nvkm_rd32(device, 0x000140); 49 } 50 51 void 52 nv04_mc_intr_rearm(struct nvkm_mc *mc) 53 { 54 struct nvkm_device *device = mc->subdev.device; 55 nvkm_wr32(device, 0x000140, 0x00000001); 56 } 57 58 u32 59 nv04_mc_intr_stat(struct nvkm_mc *mc) 60 { 61 return nvkm_rd32(mc->subdev.device, 0x000100); 62 } 63 64 void 65 nv04_mc_init(struct nvkm_mc *mc) 66 { 67 struct nvkm_device *device = mc->subdev.device; 68 nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */ 69 nvkm_wr32(device, 0x001850, 0x00000001); /* disable rom access */ 70 } 71 72 static const struct nvkm_mc_func 73 nv04_mc = { 74 .init = nv04_mc_init, 75 .intr = nv04_mc_intr, 76 .intr_unarm = nv04_mc_intr_unarm, 77 .intr_rearm = nv04_mc_intr_rearm, 78 .intr_stat = nv04_mc_intr_stat, 79 .reset = nv04_mc_reset, 80 }; 81 82 int 83 nv04_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc) 84 { 85 return nvkm_mc_new_(&nv04_mc, device, type, inst, pmc); 86 } 87