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 <core/subdev.h> 25 #include <core/device.h> 26 #include <core/option.h> 27 #include <subdev/mc.h> 28 29 static struct lock_class_key nvkm_subdev_lock_class[NVKM_SUBDEV_NR]; 30 31 const char * 32 nvkm_subdev_name[NVKM_SUBDEV_NR] = { 33 [NVKM_SUBDEV_ACR ] = "acr", 34 [NVKM_SUBDEV_BAR ] = "bar", 35 [NVKM_SUBDEV_VBIOS ] = "bios", 36 [NVKM_SUBDEV_BUS ] = "bus", 37 [NVKM_SUBDEV_CLK ] = "clk", 38 [NVKM_SUBDEV_DEVINIT ] = "devinit", 39 [NVKM_SUBDEV_FAULT ] = "fault", 40 [NVKM_SUBDEV_FB ] = "fb", 41 [NVKM_SUBDEV_FUSE ] = "fuse", 42 [NVKM_SUBDEV_GPIO ] = "gpio", 43 [NVKM_SUBDEV_GSP ] = "gsp", 44 [NVKM_SUBDEV_I2C ] = "i2c", 45 [NVKM_SUBDEV_IBUS ] = "priv", 46 [NVKM_SUBDEV_ICCSENSE] = "iccsense", 47 [NVKM_SUBDEV_INSTMEM ] = "imem", 48 [NVKM_SUBDEV_LTC ] = "ltc", 49 [NVKM_SUBDEV_MC ] = "mc", 50 [NVKM_SUBDEV_MMU ] = "mmu", 51 [NVKM_SUBDEV_MXM ] = "mxm", 52 [NVKM_SUBDEV_PCI ] = "pci", 53 [NVKM_SUBDEV_PMU ] = "pmu", 54 [NVKM_SUBDEV_THERM ] = "therm", 55 [NVKM_SUBDEV_TIMER ] = "tmr", 56 [NVKM_SUBDEV_TOP ] = "top", 57 [NVKM_SUBDEV_VOLT ] = "volt", 58 [NVKM_ENGINE_BSP ] = "bsp", 59 [NVKM_ENGINE_CE0 ] = "ce0", 60 [NVKM_ENGINE_CE1 ] = "ce1", 61 [NVKM_ENGINE_CE2 ] = "ce2", 62 [NVKM_ENGINE_CE3 ] = "ce3", 63 [NVKM_ENGINE_CE4 ] = "ce4", 64 [NVKM_ENGINE_CE5 ] = "ce5", 65 [NVKM_ENGINE_CE6 ] = "ce6", 66 [NVKM_ENGINE_CE7 ] = "ce7", 67 [NVKM_ENGINE_CE8 ] = "ce8", 68 [NVKM_ENGINE_CIPHER ] = "cipher", 69 [NVKM_ENGINE_DISP ] = "disp", 70 [NVKM_ENGINE_DMAOBJ ] = "dma", 71 [NVKM_ENGINE_FIFO ] = "fifo", 72 [NVKM_ENGINE_GR ] = "gr", 73 [NVKM_ENGINE_IFB ] = "ifb", 74 [NVKM_ENGINE_ME ] = "me", 75 [NVKM_ENGINE_MPEG ] = "mpeg", 76 [NVKM_ENGINE_MSENC ] = "msenc", 77 [NVKM_ENGINE_MSPDEC ] = "mspdec", 78 [NVKM_ENGINE_MSPPP ] = "msppp", 79 [NVKM_ENGINE_MSVLD ] = "msvld", 80 [NVKM_ENGINE_NVENC0 ] = "nvenc0", 81 [NVKM_ENGINE_NVENC1 ] = "nvenc1", 82 [NVKM_ENGINE_NVENC2 ] = "nvenc2", 83 [NVKM_ENGINE_NVDEC0 ] = "nvdec0", 84 [NVKM_ENGINE_NVDEC1 ] = "nvdec1", 85 [NVKM_ENGINE_NVDEC2 ] = "nvdec2", 86 [NVKM_ENGINE_PM ] = "pm", 87 [NVKM_ENGINE_SEC ] = "sec", 88 [NVKM_ENGINE_SEC2 ] = "sec2", 89 [NVKM_ENGINE_SW ] = "sw", 90 [NVKM_ENGINE_VIC ] = "vic", 91 [NVKM_ENGINE_VP ] = "vp", 92 }; 93 94 void 95 nvkm_subdev_intr(struct nvkm_subdev *subdev) 96 { 97 if (subdev->func->intr) 98 subdev->func->intr(subdev); 99 } 100 101 int 102 nvkm_subdev_info(struct nvkm_subdev *subdev, u64 mthd, u64 *data) 103 { 104 if (subdev->func->info) 105 return subdev->func->info(subdev, mthd, data); 106 return -ENOSYS; 107 } 108 109 int 110 nvkm_subdev_fini(struct nvkm_subdev *subdev, bool suspend) 111 { 112 struct nvkm_device *device = subdev->device; 113 const char *action = suspend ? "suspend" : "fini"; 114 s64 time; 115 116 nvkm_trace(subdev, "%s running...\n", action); 117 time = ktime_to_us(ktime_get()); 118 119 if (subdev->func->fini) { 120 int ret = subdev->func->fini(subdev, suspend); 121 if (ret) { 122 nvkm_error(subdev, "%s failed, %d\n", action, ret); 123 if (suspend) 124 return ret; 125 } 126 } 127 128 nvkm_mc_reset(device, subdev->index); 129 130 time = ktime_to_us(ktime_get()) - time; 131 nvkm_trace(subdev, "%s completed in %lldus\n", action, time); 132 return 0; 133 } 134 135 int 136 nvkm_subdev_preinit(struct nvkm_subdev *subdev) 137 { 138 s64 time; 139 140 nvkm_trace(subdev, "preinit running...\n"); 141 time = ktime_to_us(ktime_get()); 142 143 if (subdev->func->preinit) { 144 int ret = subdev->func->preinit(subdev); 145 if (ret) { 146 nvkm_error(subdev, "preinit failed, %d\n", ret); 147 return ret; 148 } 149 } 150 151 time = ktime_to_us(ktime_get()) - time; 152 nvkm_trace(subdev, "preinit completed in %lldus\n", time); 153 return 0; 154 } 155 156 int 157 nvkm_subdev_init(struct nvkm_subdev *subdev) 158 { 159 s64 time; 160 int ret; 161 162 nvkm_trace(subdev, "init running...\n"); 163 time = ktime_to_us(ktime_get()); 164 165 if (subdev->func->oneinit && !subdev->oneinit) { 166 s64 time; 167 nvkm_trace(subdev, "one-time init running...\n"); 168 time = ktime_to_us(ktime_get()); 169 ret = subdev->func->oneinit(subdev); 170 if (ret) { 171 nvkm_error(subdev, "one-time init failed, %d\n", ret); 172 return ret; 173 } 174 175 subdev->oneinit = true; 176 time = ktime_to_us(ktime_get()) - time; 177 nvkm_trace(subdev, "one-time init completed in %lldus\n", time); 178 } 179 180 if (subdev->func->init) { 181 ret = subdev->func->init(subdev); 182 if (ret) { 183 nvkm_error(subdev, "init failed, %d\n", ret); 184 return ret; 185 } 186 } 187 188 time = ktime_to_us(ktime_get()) - time; 189 nvkm_trace(subdev, "init completed in %lldus\n", time); 190 return 0; 191 } 192 193 void 194 nvkm_subdev_del(struct nvkm_subdev **psubdev) 195 { 196 struct nvkm_subdev *subdev = *psubdev; 197 s64 time; 198 199 if (subdev && !WARN_ON(!subdev->func)) { 200 nvkm_trace(subdev, "destroy running...\n"); 201 time = ktime_to_us(ktime_get()); 202 if (subdev->func->dtor) 203 *psubdev = subdev->func->dtor(subdev); 204 time = ktime_to_us(ktime_get()) - time; 205 nvkm_trace(subdev, "destroy completed in %lldus\n", time); 206 kfree(*psubdev); 207 *psubdev = NULL; 208 } 209 } 210 211 void 212 nvkm_subdev_ctor(const struct nvkm_subdev_func *func, 213 struct nvkm_device *device, int index, 214 struct nvkm_subdev *subdev) 215 { 216 const char *name = nvkm_subdev_name[index]; 217 subdev->func = func; 218 subdev->device = device; 219 subdev->index = index; 220 221 __mutex_init(&subdev->mutex, name, &nvkm_subdev_lock_class[index]); 222 subdev->debug = nvkm_dbgopt(device->dbgopt, name); 223 } 224