1 /* 2 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 20 * DEALINGS IN THE SOFTWARE. 21 */ 22 23 #include <engine/falcon.h> 24 #include <core/msgqueue.h> 25 #include "priv.h" 26 27 static void 28 gm20b_pmu_recv(struct nvkm_pmu *pmu) 29 { 30 if (!pmu->queue) { 31 nvkm_warn(&pmu->subdev, 32 "recv function called while no firmware set!\n"); 33 return; 34 } 35 36 nvkm_msgqueue_recv(pmu->queue); 37 } 38 39 static const struct nvkm_pmu_func 40 gm20b_pmu = { 41 .intr = gt215_pmu_intr, 42 .recv = gm20b_pmu_recv, 43 }; 44 45 int 46 gm20b_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu) 47 { 48 int ret; 49 50 ret = nvkm_pmu_new_(&gm20b_pmu, device, index, ppmu); 51 if (ret) 52 return ret; 53 54 return 0; 55 } 56