1/* 2 * Copyright 2016 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 <bskeggs@redhat.com> 23 */ 24#include "priv.h" 25 26static void 27gp102_pmu_reset(struct nvkm_pmu *pmu) 28{ 29 struct nvkm_device *device = pmu->subdev.device; 30 nvkm_mask(device, 0x10a3c0, 0x00000001, 0x00000001); 31 nvkm_mask(device, 0x10a3c0, 0x00000001, 0x00000000); 32} 33 34static bool 35gp102_pmu_enabled(struct nvkm_pmu *pmu) 36{ 37 return !(nvkm_rd32(pmu->subdev.device, 0x10a3c0) & 0x00000001); 38} 39 40static const struct nvkm_pmu_func 41gp102_pmu = { 42 .enabled = gp102_pmu_enabled, 43 .reset = gp102_pmu_reset, 44}; 45 46int 47gp102_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu) 48{ 49 return nvkm_pmu_new_(&gp102_pmu, device, index, ppmu); 50} 51