1 /* 2 * Copyright 2019 Red Hat Inc. 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 #include <subdev/gsp.h> 23 #include <subdev/top.h> 24 #include <engine/falcon.h> 25 26 static int 27 gv100_gsp_oneinit(struct nvkm_subdev *subdev) 28 { 29 struct nvkm_gsp *gsp = nvkm_gsp(subdev); 30 31 gsp->addr = nvkm_top_addr(subdev->device, subdev->index); 32 if (!gsp->addr) 33 return -EINVAL; 34 35 return nvkm_falcon_v1_new(subdev, "GSP", gsp->addr, &gsp->falcon); 36 } 37 38 static void * 39 gv100_gsp_dtor(struct nvkm_subdev *subdev) 40 { 41 struct nvkm_gsp *gsp = nvkm_gsp(subdev); 42 nvkm_falcon_del(&gsp->falcon); 43 return gsp; 44 } 45 46 static const struct nvkm_subdev_func 47 gv100_gsp = { 48 .dtor = gv100_gsp_dtor, 49 .oneinit = gv100_gsp_oneinit, 50 }; 51 52 int 53 gv100_gsp_new(struct nvkm_device *device, int index, struct nvkm_gsp **pgsp) 54 { 55 struct nvkm_gsp *gsp; 56 57 if (!(gsp = *pgsp = kzalloc(sizeof(*gsp), GFP_KERNEL))) 58 return -ENOMEM; 59 60 nvkm_subdev_ctor(&gv100_gsp, device, index, &gsp->subdev); 61 return 0; 62 } 63