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