| /* |
| * Copyright 2013 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Ben Skeggs |
| */ |
| #define gf110_pmu_code gk104_pmu_code |
| #define gf110_pmu_data gk104_pmu_data |
| #include "priv.h" |
| #include "fuc/gf110.fuc4.h" |
| |
| #include <core/device.h> |
| #include <core/option.h> |
| #include <subdev/timer.h> |
| |
| static void |
| magic_(struct nvkm_pmu *pmu, u32 ctrl, int size) |
| { |
| nv_wr32(pmu, 0x00c800, 0x00000000); |
| nv_wr32(pmu, 0x00c808, 0x00000000); |
| nv_wr32(pmu, 0x00c800, ctrl); |
| if (nv_wait(pmu, 0x00c800, 0x40000000, 0x40000000)) { |
| while (size--) |
| nv_wr32(pmu, 0x00c804, 0x00000000); |
| } |
| nv_wr32(pmu, 0x00c800, 0x00000000); |
| } |
| |
| static void |
| magic(struct nvkm_pmu *pmu, u32 ctrl) |
| { |
| magic_(pmu, 0x8000a41f | ctrl, 6); |
| magic_(pmu, 0x80000421 | ctrl, 1); |
| } |
| |
| static void |
| gk104_pmu_pgob(struct nvkm_pmu *pmu, bool enable) |
| { |
| struct nvkm_device *device = nv_device(pmu); |
| |
| nv_mask(pmu, 0x000200, 0x00001000, 0x00000000); |
| nv_rd32(pmu, 0x000200); |
| nv_mask(pmu, 0x000200, 0x08000000, 0x08000000); |
| msleep(50); |
| |
| nv_mask(pmu, 0x10a78c, 0x00000002, 0x00000002); |
| nv_mask(pmu, 0x10a78c, 0x00000001, 0x00000001); |
| nv_mask(pmu, 0x10a78c, 0x00000001, 0x00000000); |
| |
| nv_mask(pmu, 0x020004, 0xc0000000, enable ? 0xc0000000 : 0x40000000); |
| msleep(50); |
| |
| nv_mask(pmu, 0x10a78c, 0x00000002, 0x00000000); |
| nv_mask(pmu, 0x10a78c, 0x00000001, 0x00000001); |
| nv_mask(pmu, 0x10a78c, 0x00000001, 0x00000000); |
| |
| nv_mask(pmu, 0x000200, 0x08000000, 0x00000000); |
| nv_mask(pmu, 0x000200, 0x00001000, 0x00001000); |
| nv_rd32(pmu, 0x000200); |
| |
| if (nv_device_match(device, 0x11fc, 0x17aa, 0x2211) /* Lenovo W541 */ |
| || nv_device_match(device, 0x11fc, 0x17aa, 0x221e) /* Lenovo W541 */ |
| || nvkm_boolopt(device->cfgopt, "War00C800_0", false)) { |
| nv_info(pmu, "hw bug workaround enabled\n"); |
| switch (device->chipset) { |
| case 0xe4: |
| magic(pmu, 0x04000000); |
| magic(pmu, 0x06000000); |
| magic(pmu, 0x0c000000); |
| magic(pmu, 0x0e000000); |
| break; |
| case 0xe6: |
| magic(pmu, 0x02000000); |
| magic(pmu, 0x04000000); |
| magic(pmu, 0x0a000000); |
| break; |
| case 0xe7: |
| magic(pmu, 0x02000000); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| struct nvkm_oclass * |
| gk104_pmu_oclass = &(struct nvkm_pmu_impl) { |
| .base.handle = NV_SUBDEV(PMU, 0xe4), |
| .base.ofuncs = &(struct nvkm_ofuncs) { |
| .ctor = _nvkm_pmu_ctor, |
| .dtor = _nvkm_pmu_dtor, |
| .init = _nvkm_pmu_init, |
| .fini = _nvkm_pmu_fini, |
| }, |
| .code.data = gk104_pmu_code, |
| .code.size = sizeof(gk104_pmu_code), |
| .data.data = gk104_pmu_data, |
| .data.size = sizeof(gk104_pmu_data), |
| .pgob = gk104_pmu_pgob, |
| }.base; |