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1/*2 * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER20 * DEALINGS IN THE SOFTWARE.21 */22#include <subdev/privring.h>23 24#include "priv.h"25 26static int27gp10b_privring_init(struct nvkm_subdev *privring)28{29 struct nvkm_device *device = privring->device;30 31 nvkm_wr32(device, 0x1200a8, 0x0);32 33 /* init ring */34 nvkm_wr32(device, 0x12004c, 0x4);35 nvkm_wr32(device, 0x122204, 0x2);36 nvkm_rd32(device, 0x122204);37 38 /* timeout configuration */39 nvkm_wr32(device, 0x009080, 0x800186a0);40 41 return 0;42}43 44static const struct nvkm_subdev_func45gp10b_privring = {46 .init = gp10b_privring_init,47 .intr = gk104_privring_intr,48};49 50int51gp10b_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,52 struct nvkm_subdev **pprivring)53{54 return nvkm_subdev_new_(&gp10b_privring, device, type, inst, pprivring);55}56