subdev/privring/gp10b.c

0001 /*
0002  * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
0018  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0019  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
0020  * DEALINGS IN THE SOFTWARE.
0021  */
0022 #include <subdev/privring.h>
0023
0024 #include "priv.h"
0025
0026 static int
0027 gp10b_privring_init(struct nvkm_subdev *privring)
0028 {
0029     struct nvkm_device *device = privring->device;
0030
0031     nvkm_wr32(device, 0x1200a8, 0x0);
0032
0033     /* init ring */
0034     nvkm_wr32(device, 0x12004c, 0x4);
0035     nvkm_wr32(device, 0x122204, 0x2);
0036     nvkm_rd32(device, 0x122204);
0037
0038     /* timeout configuration */
0039     nvkm_wr32(device, 0x009080, 0x800186a0);
0040
0041     return 0;
0042 }
0043
0044 static const struct nvkm_subdev_func
0045 gp10b_privring = {
0046     .init = gp10b_privring_init,
0047     .intr = gk104_privring_intr,
0048 };
0049
0050 int
0051 gp10b_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
0052            struct nvkm_subdev **pprivring)
0053 {
0054     return nvkm_subdev_new_(&gp10b_privring, device, type, inst, pprivring);
0055 }