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