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 #include <subdev/timer.h> 26 27 static void 28 gk104_privring_intr_hub(struct nvkm_subdev *privring, int i) 29 { 30 struct nvkm_device *device = privring->device; 31 u32 addr = nvkm_rd32(device, 0x122120 + (i * 0x0800)); 32 u32 data = nvkm_rd32(device, 0x122124 + (i * 0x0800)); 33 u32 stat = nvkm_rd32(device, 0x122128 + (i * 0x0800)); 34 nvkm_debug(privring, "HUB%d: %06x %08x (%08x)\n", i, addr, data, stat); 35 } 36 37 static void 38 gk104_privring_intr_rop(struct nvkm_subdev *privring, int i) 39 { 40 struct nvkm_device *device = privring->device; 41 u32 addr = nvkm_rd32(device, 0x124120 + (i * 0x0800)); 42 u32 data = nvkm_rd32(device, 0x124124 + (i * 0x0800)); 43 u32 stat = nvkm_rd32(device, 0x124128 + (i * 0x0800)); 44 nvkm_debug(privring, "ROP%d: %06x %08x (%08x)\n", i, addr, data, stat); 45 } 46 47 static void 48 gk104_privring_intr_gpc(struct nvkm_subdev *privring, int i) 49 { 50 struct nvkm_device *device = privring->device; 51 u32 addr = nvkm_rd32(device, 0x128120 + (i * 0x0800)); 52 u32 data = nvkm_rd32(device, 0x128124 + (i * 0x0800)); 53 u32 stat = nvkm_rd32(device, 0x128128 + (i * 0x0800)); 54 nvkm_debug(privring, "GPC%d: %06x %08x (%08x)\n", i, addr, data, stat); 55 } 56 57 void 58 gk104_privring_intr(struct nvkm_subdev *privring) 59 { 60 struct nvkm_device *device = privring->device; 61 u32 intr0 = nvkm_rd32(device, 0x120058); 62 u32 intr1 = nvkm_rd32(device, 0x12005c); 63 u32 hubnr = nvkm_rd32(device, 0x120070); 64 u32 ropnr = nvkm_rd32(device, 0x120074); 65 u32 gpcnr = nvkm_rd32(device, 0x120078); 66 u32 i; 67 68 for (i = 0; (intr0 & 0x0000ff00) && i < hubnr; i++) { 69 u32 stat = 0x00000100 << i; 70 if (intr0 & stat) { 71 gk104_privring_intr_hub(privring, i); 72 intr0 &= ~stat; 73 } 74 } 75 76 for (i = 0; (intr0 & 0xffff0000) && i < ropnr; i++) { 77 u32 stat = 0x00010000 << i; 78 if (intr0 & stat) { 79 gk104_privring_intr_rop(privring, i); 80 intr0 &= ~stat; 81 } 82 } 83 84 for (i = 0; intr1 && i < gpcnr; i++) { 85 u32 stat = 0x00000001 << i; 86 if (intr1 & stat) { 87 gk104_privring_intr_gpc(privring, i); 88 intr1 &= ~stat; 89 } 90 } 91 92 nvkm_mask(device, 0x12004c, 0x0000003f, 0x00000002); 93 nvkm_msec(device, 2000, 94 if (!(nvkm_rd32(device, 0x12004c) & 0x0000003f)) 95 break; 96 ); 97 } 98 99 static int 100 gk104_privring_init(struct nvkm_subdev *privring) 101 { 102 struct nvkm_device *device = privring->device; 103 nvkm_mask(device, 0x122318, 0x0003ffff, 0x00001000); 104 nvkm_mask(device, 0x12231c, 0x0003ffff, 0x00000200); 105 nvkm_mask(device, 0x122310, 0x0003ffff, 0x00000800); 106 nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000100); 107 nvkm_mask(device, 0x1223b0, 0x0003ffff, 0x00000fff); 108 nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000200); 109 nvkm_mask(device, 0x122358, 0x0003ffff, 0x00002880); 110 return 0; 111 } 112 113 static const struct nvkm_subdev_func 114 gk104_privring = { 115 .preinit = gk104_privring_init, 116 .init = gk104_privring_init, 117 .intr = gk104_privring_intr, 118 }; 119 120 int 121 gk104_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, 122 struct nvkm_subdev **pprivring) 123 { 124 return nvkm_subdev_new_(&gk104_privring, device, type, inst, pprivring); 125 } 126