/* * Copyright 2021 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. */ #include "priv.h" #include <subdev/gsp.h> static void ga100_mc_device_disable(struct nvkm_mc *mc, u32 mask) { struct nvkm_device *device = mc->subdev.device; nvkm_mask(device, 0x000600, mask, 0x00000000); nvkm_rd32(device, 0x000600); nvkm_rd32(device, 0x000600); } static void ga100_mc_device_enable(struct nvkm_mc *mc, u32 mask) { struct nvkm_device *device = mc->subdev.device; nvkm_mask(device, 0x000600, mask, mask); nvkm_rd32(device, 0x000600); nvkm_rd32(device, 0x000600); } static bool ga100_mc_device_enabled(struct nvkm_mc *mc, u32 mask) { return (nvkm_rd32(mc->subdev.device, 0x000600) & mask) == mask; } static const struct nvkm_mc_device_func ga100_mc_device = { .enabled = ga100_mc_device_enabled, .enable = ga100_mc_device_enable, .disable = ga100_mc_device_disable, }; static void ga100_mc_init(struct nvkm_mc *mc) { struct nvkm_device *device = mc->subdev.device; nvkm_wr32(device, 0x000200, 0xffffffff); nvkm_wr32(device, 0x000600, 0xffffffff); } static const struct nvkm_mc_func ga100_mc = { .init = ga100_mc_init, .device = &ga100_mc_device, }; int ga100_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc) { if (nvkm_gsp_rm(device->gsp)) return -ENODEV; return nvkm_mc_new_(&ga100_mc, device, type, inst, pmc); }