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 "priv.h" 23 24 int 25 nvkm_gsp_intr_nonstall(struct nvkm_gsp *gsp, enum nvkm_subdev_type type, int inst) 26 { 27 for (int i = 0; i < gsp->intr_nr; i++) { 28 if (gsp->intr[i].type == type && gsp->intr[i].inst == inst) { 29 if (gsp->intr[i].nonstall != ~0) 30 return gsp->intr[i].nonstall; 31 32 return -EINVAL; 33 } 34 } 35 36 return -ENOENT; 37 } 38 39 int 40 nvkm_gsp_intr_stall(struct nvkm_gsp *gsp, enum nvkm_subdev_type type, int inst) 41 { 42 for (int i = 0; i < gsp->intr_nr; i++) { 43 if (gsp->intr[i].type == type && gsp->intr[i].inst == inst) { 44 if (gsp->intr[i].stall != ~0) 45 return gsp->intr[i].stall; 46 47 return -EINVAL; 48 } 49 } 50 51 return -ENOENT; 52 } 53 54 static int 55 nvkm_gsp_fini(struct nvkm_subdev *subdev, bool suspend) 56 { 57 struct nvkm_gsp *gsp = nvkm_gsp(subdev); 58 59 if (!gsp->func->fini) 60 return 0; 61 62 return gsp->func->fini(gsp, suspend); 63 } 64 65 static int 66 nvkm_gsp_init(struct nvkm_subdev *subdev) 67 { 68 struct nvkm_gsp *gsp = nvkm_gsp(subdev); 69 70 if (!gsp->func->init) 71 return 0; 72 73 return gsp->func->init(gsp); 74 } 75 76 static int 77 nvkm_gsp_oneinit(struct nvkm_subdev *subdev) 78 { 79 struct nvkm_gsp *gsp = nvkm_gsp(subdev); 80 81 if (!gsp->func->oneinit) 82 return 0; 83 84 return gsp->func->oneinit(gsp); 85 } 86 87 static void * 88 nvkm_gsp_dtor(struct nvkm_subdev *subdev) 89 { 90 struct nvkm_gsp *gsp = nvkm_gsp(subdev); 91 92 if (gsp->func && gsp->func->dtor) 93 gsp->func->dtor(gsp); 94 95 nvkm_falcon_dtor(&gsp->falcon); 96 return gsp; 97 } 98 99 static const struct nvkm_subdev_func 100 nvkm_gsp = { 101 .dtor = nvkm_gsp_dtor, 102 .oneinit = nvkm_gsp_oneinit, 103 .init = nvkm_gsp_init, 104 .fini = nvkm_gsp_fini, 105 }; 106 107 int 108 nvkm_gsp_new_(const struct nvkm_gsp_fwif *fwif, struct nvkm_device *device, 109 enum nvkm_subdev_type type, int inst, struct nvkm_gsp **pgsp) 110 { 111 struct nvkm_gsp *gsp; 112 113 if (!(gsp = *pgsp = kzalloc(sizeof(*gsp), GFP_KERNEL))) 114 return -ENOMEM; 115 116 nvkm_subdev_ctor(&nvkm_gsp, device, type, inst, &gsp->subdev); 117 118 fwif = nvkm_firmware_load(&gsp->subdev, fwif, "Gsp", gsp); 119 if (IS_ERR(fwif)) 120 return PTR_ERR(fwif); 121 122 gsp->func = fwif->func; 123 gsp->rm = gsp->func->rm; 124 125 return nvkm_falcon_ctor(gsp->func->flcn, &gsp->subdev, gsp->subdev.name, 0x110000, 126 &gsp->falcon); 127 } 128