/* * Copyright 2018 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 <nvif/user.h> static u64 nvif_userc361_time(struct nvif_user *user) { u32 hi, lo; do { hi = nvif_rd32(&user->object, 0x084); lo = nvif_rd32(&user->object, 0x080); } while (hi != nvif_rd32(&user->object, 0x084)); return ((u64)hi << 32 | lo); } static void nvif_userc361_doorbell(struct nvif_user *user, u32 token) { nvif_wr32(&user->object, 0x90, token); } const struct nvif_user_func nvif_userc361 = { .doorbell = nvif_userc361_doorbell, .time = nvif_userc361_time, };