nouveau_nvkm_subdev_pmu_gp102.c revision 1.2
1/* $NetBSD: nouveau_nvkm_subdev_pmu_gp102.c,v 1.2 2021/12/18 23:45:41 riastradh Exp $ */ 2 3/* 4 * Copyright 2016 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Ben Skeggs <bskeggs@redhat.com> 25 */ 26#include <sys/cdefs.h> 27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_pmu_gp102.c,v 1.2 2021/12/18 23:45:41 riastradh Exp $"); 28 29#include "priv.h" 30 31static void 32gp102_pmu_reset(struct nvkm_pmu *pmu) 33{ 34 struct nvkm_device *device = pmu->subdev.device; 35 nvkm_mask(device, 0x10a3c0, 0x00000001, 0x00000001); 36 nvkm_mask(device, 0x10a3c0, 0x00000001, 0x00000000); 37} 38 39static bool 40gp102_pmu_enabled(struct nvkm_pmu *pmu) 41{ 42 return !(nvkm_rd32(pmu->subdev.device, 0x10a3c0) & 0x00000001); 43} 44 45static const struct nvkm_pmu_func 46gp102_pmu = { 47 .flcn = >215_pmu_flcn, 48 .enabled = gp102_pmu_enabled, 49 .reset = gp102_pmu_reset, 50}; 51 52static const struct nvkm_pmu_fwif 53gp102_pmu_fwif[] = { 54 { -1, gf100_pmu_nofw, &gp102_pmu }, 55 {} 56}; 57 58int 59gp102_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu) 60{ 61 return nvkm_pmu_new_(gp102_pmu_fwif, device, index, ppmu); 62} 63