1 /* 2 * Copyright 2012 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 * Authors: Ben Skeggs 23 */ 24 #include "priv.h" 25 26 #include <core/option.h> 27 #include <subdev/vga.h> 28 29 u32 30 nvkm_devinit_mmio(struct nvkm_devinit *init, u32 addr) 31 { 32 if (init->func->mmio) 33 addr = init->func->mmio(init, addr); 34 return addr; 35 } 36 37 int 38 nvkm_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 khz) 39 { 40 return init->func->pll_set(init, type, khz); 41 } 42 43 void 44 nvkm_devinit_meminit(struct nvkm_devinit *init) 45 { 46 if (init->func->meminit) 47 init->func->meminit(init); 48 } 49 50 u64 51 nvkm_devinit_disable(struct nvkm_devinit *init) 52 { 53 if (init && init->func->disable) 54 return init->func->disable(init); 55 return 0; 56 } 57 58 int 59 nvkm_devinit_post(struct nvkm_devinit *init) 60 { 61 int ret = 0; 62 if (init && init->func->post) 63 ret = init->func->post(init, init->post); 64 nvkm_devinit_disable(init); 65 return ret; 66 } 67 68 static int 69 nvkm_devinit_fini(struct nvkm_subdev *subdev, bool suspend) 70 { 71 struct nvkm_devinit *init = nvkm_devinit(subdev); 72 /* force full reinit on resume */ 73 if (suspend) 74 init->post = true; 75 return 0; 76 } 77 78 static int 79 nvkm_devinit_preinit(struct nvkm_subdev *subdev) 80 { 81 struct nvkm_devinit *init = nvkm_devinit(subdev); 82 83 if (init->func->preinit) 84 init->func->preinit(init); 85 86 /* Override the post flag during the first call if NvForcePost is set */ 87 if (init->force_post) { 88 init->post = init->force_post; 89 init->force_post = false; 90 } 91 92 /* unlock the extended vga crtc regs */ 93 nvkm_lockvgac(subdev->device, false); 94 return 0; 95 } 96 97 static int 98 nvkm_devinit_init(struct nvkm_subdev *subdev) 99 { 100 struct nvkm_devinit *init = nvkm_devinit(subdev); 101 if (init->func->init) 102 init->func->init(init); 103 return 0; 104 } 105 106 static void * 107 nvkm_devinit_dtor(struct nvkm_subdev *subdev) 108 { 109 struct nvkm_devinit *init = nvkm_devinit(subdev); 110 void *data = init; 111 112 if (init->func->dtor) 113 data = init->func->dtor(init); 114 115 /* lock crtc regs */ 116 nvkm_lockvgac(subdev->device, true); 117 return data; 118 } 119 120 static const struct nvkm_subdev_func 121 nvkm_devinit = { 122 .dtor = nvkm_devinit_dtor, 123 .preinit = nvkm_devinit_preinit, 124 .init = nvkm_devinit_init, 125 .fini = nvkm_devinit_fini, 126 }; 127 128 void 129 nvkm_devinit_ctor(const struct nvkm_devinit_func *func, struct nvkm_device *device, 130 enum nvkm_subdev_type type, int inst, struct nvkm_devinit *init) 131 { 132 nvkm_subdev_ctor(&nvkm_devinit, device, type, inst, &init->subdev); 133 init->func = func; 134 init->force_post = nvkm_boolopt(device->cfgopt, "NvForcePost", false); 135 } 136