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1/*2 * Copyright 2018 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 */22#include <nvif/user.h>23 24static u6425nvif_userc361_time(struct nvif_user *user)26{27 u32 hi, lo;28 29 do {30 hi = nvif_rd32(&user->object, 0x084);31 lo = nvif_rd32(&user->object, 0x080);32 } while (hi != nvif_rd32(&user->object, 0x084));33 34 return ((u64)hi << 32 | lo);35}36 37static void38nvif_userc361_doorbell(struct nvif_user *user, u32 token)39{40 nvif_wr32(&user->object, 0x90, token);41}42 43const struct nvif_user_func44nvif_userc361 = {45 .doorbell = nvif_userc361_doorbell,46 .time = nvif_userc361_time,47};48