/* * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. * * 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 AUTHORS OR COPYRIGHT HOLDERS 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 <subdev/ibus.h> #include "priv.h" static int gp10b_ibus_init(struct nvkm_subdev *ibus) { struct nvkm_device *device = ibus->device; nvkm_wr32(device, 0x1200a8, 0x0); /* init ring */ nvkm_wr32(device, 0x12004c, 0x4); nvkm_wr32(device, 0x122204, 0x2); nvkm_rd32(device, 0x122204); /* timeout configuration */ nvkm_wr32(device, 0x009080, 0x800186a0); return 0; } static const struct nvkm_subdev_func gp10b_ibus = { .init = gp10b_ibus_init, .intr = gk104_ibus_intr, }; int gp10b_ibus_new(struct nvkm_device *device, int index, struct nvkm_subdev **pibus) { struct nvkm_subdev *ibus; if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL))) return -ENOMEM; nvkm_subdev_ctor(&gp10b_ibus, device, index, ibus); return 0; }