1ebb58dc2SBen Skeggs /* 2ebb58dc2SBen Skeggs * Copyright 2013 Red Hat Inc. 3ebb58dc2SBen Skeggs * 4ebb58dc2SBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a 5ebb58dc2SBen Skeggs * copy of this software and associated documentation files (the "Software"), 6ebb58dc2SBen Skeggs * to deal in the Software without restriction, including without limitation 7ebb58dc2SBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8ebb58dc2SBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the 9ebb58dc2SBen Skeggs * Software is furnished to do so, subject to the following conditions: 10ebb58dc2SBen Skeggs * 11ebb58dc2SBen Skeggs * The above copyright notice and this permission notice shall be included in 12ebb58dc2SBen Skeggs * all copies or substantial portions of the Software. 13ebb58dc2SBen Skeggs * 14ebb58dc2SBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15ebb58dc2SBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16ebb58dc2SBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17ebb58dc2SBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18ebb58dc2SBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19ebb58dc2SBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20ebb58dc2SBen Skeggs * OTHER DEALINGS IN THE SOFTWARE. 21ebb58dc2SBen Skeggs * 22ebb58dc2SBen Skeggs * Authors: Ben Skeggs 23ebb58dc2SBen Skeggs */ 24e2ca4e7dSBen Skeggs #define gf119_pmu_code gk104_pmu_code 25e2ca4e7dSBen Skeggs #define gf119_pmu_data gk104_pmu_data 26ebb58dc2SBen Skeggs #include "priv.h" 27e2ca4e7dSBen Skeggs #include "fuc/gf119.fuc4.h" 28ebb58dc2SBen Skeggs 29205877f9SBen Skeggs #include <core/option.h> 30560f989fSBen Skeggs #include <subdev/fuse.h> 31205877f9SBen Skeggs #include <subdev/timer.h> 32205877f9SBen Skeggs 33205877f9SBen Skeggs static void 34bef002e8SBen Skeggs magic_(struct nvkm_device *device, u32 ctrl, int size) 35205877f9SBen Skeggs { 36bef002e8SBen Skeggs nvkm_wr32(device, 0x00c800, 0x00000000); 37bef002e8SBen Skeggs nvkm_wr32(device, 0x00c808, 0x00000000); 38bef002e8SBen Skeggs nvkm_wr32(device, 0x00c800, ctrl); 39dd4bb3ecSBen Skeggs nvkm_msec(device, 2000, 40dd4bb3ecSBen Skeggs if (nvkm_rd32(device, 0x00c800) & 0x40000000) { 41205877f9SBen Skeggs while (size--) 42bef002e8SBen Skeggs nvkm_wr32(device, 0x00c804, 0x00000000); 43dd4bb3ecSBen Skeggs break; 44205877f9SBen Skeggs } 45dd4bb3ecSBen Skeggs ); 46bef002e8SBen Skeggs nvkm_wr32(device, 0x00c800, 0x00000000); 47205877f9SBen Skeggs } 48205877f9SBen Skeggs 49205877f9SBen Skeggs static void 50bef002e8SBen Skeggs magic(struct nvkm_device *device, u32 ctrl) 51205877f9SBen Skeggs { 52bef002e8SBen Skeggs magic_(device, 0x8000a41f | ctrl, 6); 53bef002e8SBen Skeggs magic_(device, 0x80000421 | ctrl, 1); 54205877f9SBen Skeggs } 55205877f9SBen Skeggs 56ebb58dc2SBen Skeggs static void 5721b13791SBen Skeggs gk104_pmu_pgob(struct nvkm_pmu *pmu, bool enable) 58ebb58dc2SBen Skeggs { 59bef002e8SBen Skeggs struct nvkm_device *device = pmu->subdev.device; 60205877f9SBen Skeggs 61560f989fSBen Skeggs if (!(nvkm_fuse_read(device->fuse, 0x31c) & 0x00000001)) 62560f989fSBen Skeggs return; 63560f989fSBen Skeggs 64bef002e8SBen Skeggs nvkm_mask(device, 0x000200, 0x00001000, 0x00000000); 65bef002e8SBen Skeggs nvkm_rd32(device, 0x000200); 66bef002e8SBen Skeggs nvkm_mask(device, 0x000200, 0x08000000, 0x08000000); 67ebb58dc2SBen Skeggs msleep(50); 68ebb58dc2SBen Skeggs 69bef002e8SBen Skeggs nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000002); 70bef002e8SBen Skeggs nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001); 71bef002e8SBen Skeggs nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000); 72ebb58dc2SBen Skeggs 73bef002e8SBen Skeggs nvkm_mask(device, 0x020004, 0xc0000000, enable ? 0xc0000000 : 0x40000000); 74ebb58dc2SBen Skeggs msleep(50); 75ebb58dc2SBen Skeggs 76bef002e8SBen Skeggs nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000000); 77bef002e8SBen Skeggs nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001); 78bef002e8SBen Skeggs nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000); 79ebb58dc2SBen Skeggs 80bef002e8SBen Skeggs nvkm_mask(device, 0x000200, 0x08000000, 0x00000000); 81bef002e8SBen Skeggs nvkm_mask(device, 0x000200, 0x00001000, 0x00001000); 82bef002e8SBen Skeggs nvkm_rd32(device, 0x000200); 83205877f9SBen Skeggs 84c7af0ff0SBen Skeggs if ( nvkm_boolopt(device->cfgopt, "War00C800_0", 85c7af0ff0SBen Skeggs device->quirk ? device->quirk->War00C800_0 : false)) { 86c19e329dSBen Skeggs nvkm_info(&pmu->subdev, "hw bug workaround enabled\n"); 87205877f9SBen Skeggs switch (device->chipset) { 88205877f9SBen Skeggs case 0xe4: 89bef002e8SBen Skeggs magic(device, 0x04000000); 90bef002e8SBen Skeggs magic(device, 0x06000000); 91bef002e8SBen Skeggs magic(device, 0x0c000000); 92bef002e8SBen Skeggs magic(device, 0x0e000000); 93205877f9SBen Skeggs break; 94205877f9SBen Skeggs case 0xe6: 95bef002e8SBen Skeggs magic(device, 0x02000000); 96bef002e8SBen Skeggs magic(device, 0x04000000); 97bef002e8SBen Skeggs magic(device, 0x0a000000); 98205877f9SBen Skeggs break; 99205877f9SBen Skeggs case 0xe7: 100bef002e8SBen Skeggs magic(device, 0x02000000); 101205877f9SBen Skeggs break; 102205877f9SBen Skeggs default: 103205877f9SBen Skeggs break; 104205877f9SBen Skeggs } 105205877f9SBen Skeggs } 106ebb58dc2SBen Skeggs } 107ebb58dc2SBen Skeggs 108e2ca4e7dSBen Skeggs static const struct nvkm_pmu_func 109e2ca4e7dSBen Skeggs gk104_pmu = { 110ebb58dc2SBen Skeggs .code.data = gk104_pmu_code, 111ebb58dc2SBen Skeggs .code.size = sizeof(gk104_pmu_code), 112ebb58dc2SBen Skeggs .data.data = gk104_pmu_data, 113ebb58dc2SBen Skeggs .data.size = sizeof(gk104_pmu_data), 114ebb58dc2SBen Skeggs .pgob = gk104_pmu_pgob, 115e2ca4e7dSBen Skeggs }; 116e2ca4e7dSBen Skeggs 117e2ca4e7dSBen Skeggs int 118e2ca4e7dSBen Skeggs gk104_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu) 119e2ca4e7dSBen Skeggs { 120e2ca4e7dSBen Skeggs return nvkm_pmu_new_(&gk104_pmu, device, index, ppmu); 121e2ca4e7dSBen Skeggs } 122