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 #define gf119_pmu_code gk110_pmu_code 25 #define gf119_pmu_data gk110_pmu_data 26 #include "priv.h" 27 #include "fuc/gf119.fuc4.h" 28 29 #include <subdev/timer.h> 30 31 void 32 gk110_pmu_pgob(struct nvkm_pmu *pmu, bool enable) 33 { 34 struct nvkm_device *device = pmu->subdev.device; 35 static const struct { 36 u32 addr; 37 u32 data; 38 } magic[] = { 39 { 0x020520, 0xfffffffc }, 40 { 0x020524, 0xfffffffe }, 41 { 0x020524, 0xfffffffc }, 42 { 0x020524, 0xfffffff8 }, 43 { 0x020524, 0xffffffe0 }, 44 { 0x020530, 0xfffffffe }, 45 { 0x02052c, 0xfffffffa }, 46 { 0x02052c, 0xfffffff0 }, 47 { 0x02052c, 0xffffffc0 }, 48 { 0x02052c, 0xffffff00 }, 49 { 0x02052c, 0xfffffc00 }, 50 { 0x02052c, 0xfffcfc00 }, 51 { 0x02052c, 0xfff0fc00 }, 52 { 0x02052c, 0xff80fc00 }, 53 { 0x020528, 0xfffffffe }, 54 { 0x020528, 0xfffffffc }, 55 }; 56 int i; 57 58 nvkm_mask(device, 0x000200, 0x00001000, 0x00000000); 59 nvkm_rd32(device, 0x000200); 60 nvkm_mask(device, 0x000200, 0x08000000, 0x08000000); 61 msleep(50); 62 63 nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000002); 64 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001); 65 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000); 66 67 nvkm_mask(device, 0x0206b4, 0x00000000, 0x00000000); 68 for (i = 0; i < ARRAY_SIZE(magic); i++) { 69 nvkm_wr32(device, magic[i].addr, magic[i].data); 70 nvkm_msec(device, 2000, 71 if (!(nvkm_rd32(device, magic[i].addr) & 0x80000000)) 72 break; 73 ); 74 } 75 76 nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000000); 77 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001); 78 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000); 79 80 nvkm_mask(device, 0x000200, 0x08000000, 0x00000000); 81 nvkm_mask(device, 0x000200, 0x00001000, 0x00001000); 82 nvkm_rd32(device, 0x000200); 83 } 84 85 static const struct nvkm_pmu_func 86 gk110_pmu = { 87 .code.data = gk110_pmu_code, 88 .code.size = sizeof(gk110_pmu_code), 89 .data.data = gk110_pmu_data, 90 .data.size = sizeof(gk110_pmu_data), 91 .pgob = gk110_pmu_pgob, 92 }; 93 94 int 95 gk110_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu) 96 { 97 return nvkm_pmu_new_(&gk110_pmu, device, index, ppmu); 98 } 99