blob: 1116f871b272981d2d653b5f09dde4de0ebaa544 [file] [log] [blame]
/*
* 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,
};