Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2010 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 | |
| 25 | #ifdef CONFIG_ACPI |
| 26 | #include <linux/acpi.h> |
| 27 | #endif |
| 28 | #include <linux/power_supply.h> |
| 29 | #include <linux/hwmon.h> |
| 30 | #include <linux/hwmon-sysfs.h> |
| 31 | |
| 32 | #include <drm/drmP.h> |
| 33 | |
| 34 | #include "nouveau_drm.h" |
| 35 | #include "nouveau_hwmon.h" |
| 36 | |
Karol Herbst | 353b983 | 2016-02-18 20:10:19 +0100 | [diff] [blame] | 37 | #include <nvkm/subdev/iccsense.h> |
Karol Herbst | 2e7db87 | 2015-09-20 14:40:27 +0200 | [diff] [blame] | 38 | #include <nvkm/subdev/volt.h> |
| 39 | |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 40 | #if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE)) |
| 41 | static ssize_t |
| 42 | nouveau_hwmon_show_temp(struct device *d, struct device_attribute *a, char *buf) |
| 43 | { |
| 44 | struct drm_device *dev = dev_get_drvdata(d); |
| 45 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 46 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | 57113c0 | 2015-08-20 14:54:21 +1000 | [diff] [blame] | 47 | int temp = nvkm_therm_temp_get(therm); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 48 | |
| 49 | if (temp < 0) |
| 50 | return temp; |
| 51 | |
| 52 | return snprintf(buf, PAGE_SIZE, "%d\n", temp * 1000); |
| 53 | } |
| 54 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, nouveau_hwmon_show_temp, |
| 55 | NULL, 0); |
| 56 | |
| 57 | static ssize_t |
| 58 | nouveau_hwmon_show_temp1_auto_point1_pwm(struct device *d, |
| 59 | struct device_attribute *a, char *buf) |
| 60 | { |
| 61 | return snprintf(buf, PAGE_SIZE, "%d\n", 100); |
| 62 | } |
| 63 | static SENSOR_DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO, |
| 64 | nouveau_hwmon_show_temp1_auto_point1_pwm, NULL, 0); |
| 65 | |
| 66 | static ssize_t |
| 67 | nouveau_hwmon_temp1_auto_point1_temp(struct device *d, |
| 68 | struct device_attribute *a, char *buf) |
| 69 | { |
| 70 | struct drm_device *dev = dev_get_drvdata(d); |
| 71 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 72 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 73 | |
| 74 | return snprintf(buf, PAGE_SIZE, "%d\n", |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 75 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_FAN_BOOST) * 1000); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 76 | } |
| 77 | static ssize_t |
| 78 | nouveau_hwmon_set_temp1_auto_point1_temp(struct device *d, |
| 79 | struct device_attribute *a, |
| 80 | const char *buf, size_t count) |
| 81 | { |
| 82 | struct drm_device *dev = dev_get_drvdata(d); |
| 83 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 84 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 85 | long value; |
| 86 | |
| 87 | if (kstrtol(buf, 10, &value) == -EINVAL) |
| 88 | return count; |
| 89 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 90 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_FAN_BOOST, |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 91 | value / 1000); |
| 92 | |
| 93 | return count; |
| 94 | } |
| 95 | static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IRUGO | S_IWUSR, |
| 96 | nouveau_hwmon_temp1_auto_point1_temp, |
| 97 | nouveau_hwmon_set_temp1_auto_point1_temp, 0); |
| 98 | |
| 99 | static ssize_t |
| 100 | nouveau_hwmon_temp1_auto_point1_temp_hyst(struct device *d, |
| 101 | struct device_attribute *a, char *buf) |
| 102 | { |
| 103 | struct drm_device *dev = dev_get_drvdata(d); |
| 104 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 105 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 106 | |
| 107 | return snprintf(buf, PAGE_SIZE, "%d\n", |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 108 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_FAN_BOOST_HYST) * 1000); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 109 | } |
| 110 | static ssize_t |
| 111 | nouveau_hwmon_set_temp1_auto_point1_temp_hyst(struct device *d, |
| 112 | struct device_attribute *a, |
| 113 | const char *buf, size_t count) |
| 114 | { |
| 115 | struct drm_device *dev = dev_get_drvdata(d); |
| 116 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 117 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 118 | long value; |
| 119 | |
| 120 | if (kstrtol(buf, 10, &value) == -EINVAL) |
| 121 | return count; |
| 122 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 123 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_FAN_BOOST_HYST, |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 124 | value / 1000); |
| 125 | |
| 126 | return count; |
| 127 | } |
| 128 | static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp_hyst, S_IRUGO | S_IWUSR, |
| 129 | nouveau_hwmon_temp1_auto_point1_temp_hyst, |
| 130 | nouveau_hwmon_set_temp1_auto_point1_temp_hyst, 0); |
| 131 | |
| 132 | static ssize_t |
| 133 | nouveau_hwmon_max_temp(struct device *d, struct device_attribute *a, char *buf) |
| 134 | { |
| 135 | struct drm_device *dev = dev_get_drvdata(d); |
| 136 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 137 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 138 | |
| 139 | return snprintf(buf, PAGE_SIZE, "%d\n", |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 140 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK) * 1000); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 141 | } |
| 142 | static ssize_t |
| 143 | nouveau_hwmon_set_max_temp(struct device *d, struct device_attribute *a, |
| 144 | const char *buf, size_t count) |
| 145 | { |
| 146 | struct drm_device *dev = dev_get_drvdata(d); |
| 147 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 148 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 149 | long value; |
| 150 | |
| 151 | if (kstrtol(buf, 10, &value) == -EINVAL) |
| 152 | return count; |
| 153 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 154 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK, value / 1000); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 155 | |
| 156 | return count; |
| 157 | } |
| 158 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, nouveau_hwmon_max_temp, |
| 159 | nouveau_hwmon_set_max_temp, |
| 160 | 0); |
| 161 | |
| 162 | static ssize_t |
| 163 | nouveau_hwmon_max_temp_hyst(struct device *d, struct device_attribute *a, |
| 164 | char *buf) |
| 165 | { |
| 166 | struct drm_device *dev = dev_get_drvdata(d); |
| 167 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 168 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 169 | |
| 170 | return snprintf(buf, PAGE_SIZE, "%d\n", |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 171 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST) * 1000); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 172 | } |
| 173 | static ssize_t |
| 174 | nouveau_hwmon_set_max_temp_hyst(struct device *d, struct device_attribute *a, |
| 175 | const char *buf, size_t count) |
| 176 | { |
| 177 | struct drm_device *dev = dev_get_drvdata(d); |
| 178 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 179 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 180 | long value; |
| 181 | |
| 182 | if (kstrtol(buf, 10, &value) == -EINVAL) |
| 183 | return count; |
| 184 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 185 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST, |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 186 | value / 1000); |
| 187 | |
| 188 | return count; |
| 189 | } |
| 190 | static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, |
| 191 | nouveau_hwmon_max_temp_hyst, |
| 192 | nouveau_hwmon_set_max_temp_hyst, 0); |
| 193 | |
| 194 | static ssize_t |
| 195 | nouveau_hwmon_critical_temp(struct device *d, struct device_attribute *a, |
| 196 | char *buf) |
| 197 | { |
| 198 | struct drm_device *dev = dev_get_drvdata(d); |
| 199 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 200 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 201 | |
| 202 | return snprintf(buf, PAGE_SIZE, "%d\n", |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 203 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_CRITICAL) * 1000); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 204 | } |
| 205 | static ssize_t |
| 206 | nouveau_hwmon_set_critical_temp(struct device *d, struct device_attribute *a, |
| 207 | const char *buf, |
| 208 | size_t count) |
| 209 | { |
| 210 | struct drm_device *dev = dev_get_drvdata(d); |
| 211 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 212 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 213 | long value; |
| 214 | |
| 215 | if (kstrtol(buf, 10, &value) == -EINVAL) |
| 216 | return count; |
| 217 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 218 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_CRITICAL, value / 1000); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 219 | |
| 220 | return count; |
| 221 | } |
| 222 | static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO | S_IWUSR, |
| 223 | nouveau_hwmon_critical_temp, |
| 224 | nouveau_hwmon_set_critical_temp, |
| 225 | 0); |
| 226 | |
| 227 | static ssize_t |
| 228 | nouveau_hwmon_critical_temp_hyst(struct device *d, struct device_attribute *a, |
| 229 | char *buf) |
| 230 | { |
| 231 | struct drm_device *dev = dev_get_drvdata(d); |
| 232 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 233 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 234 | |
| 235 | return snprintf(buf, PAGE_SIZE, "%d\n", |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 236 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_CRITICAL_HYST) * 1000); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 237 | } |
| 238 | static ssize_t |
| 239 | nouveau_hwmon_set_critical_temp_hyst(struct device *d, |
| 240 | struct device_attribute *a, |
| 241 | const char *buf, |
| 242 | size_t count) |
| 243 | { |
| 244 | struct drm_device *dev = dev_get_drvdata(d); |
| 245 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 246 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 247 | long value; |
| 248 | |
| 249 | if (kstrtol(buf, 10, &value) == -EINVAL) |
| 250 | return count; |
| 251 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 252 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_CRITICAL_HYST, |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 253 | value / 1000); |
| 254 | |
| 255 | return count; |
| 256 | } |
| 257 | static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO | S_IWUSR, |
| 258 | nouveau_hwmon_critical_temp_hyst, |
| 259 | nouveau_hwmon_set_critical_temp_hyst, 0); |
| 260 | static ssize_t |
| 261 | nouveau_hwmon_emergency_temp(struct device *d, struct device_attribute *a, |
| 262 | char *buf) |
| 263 | { |
| 264 | struct drm_device *dev = dev_get_drvdata(d); |
| 265 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 266 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 267 | |
| 268 | return snprintf(buf, PAGE_SIZE, "%d\n", |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 269 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN) * 1000); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 270 | } |
| 271 | static ssize_t |
| 272 | nouveau_hwmon_set_emergency_temp(struct device *d, struct device_attribute *a, |
| 273 | const char *buf, |
| 274 | size_t count) |
| 275 | { |
| 276 | struct drm_device *dev = dev_get_drvdata(d); |
| 277 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 278 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 279 | long value; |
| 280 | |
| 281 | if (kstrtol(buf, 10, &value) == -EINVAL) |
| 282 | return count; |
| 283 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 284 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN, value / 1000); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 285 | |
| 286 | return count; |
| 287 | } |
| 288 | static SENSOR_DEVICE_ATTR(temp1_emergency, S_IRUGO | S_IWUSR, |
| 289 | nouveau_hwmon_emergency_temp, |
| 290 | nouveau_hwmon_set_emergency_temp, |
| 291 | 0); |
| 292 | |
| 293 | static ssize_t |
| 294 | nouveau_hwmon_emergency_temp_hyst(struct device *d, struct device_attribute *a, |
| 295 | char *buf) |
| 296 | { |
| 297 | struct drm_device *dev = dev_get_drvdata(d); |
| 298 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 299 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 300 | |
| 301 | return snprintf(buf, PAGE_SIZE, "%d\n", |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 302 | therm->attr_get(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST) * 1000); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 303 | } |
| 304 | static ssize_t |
| 305 | nouveau_hwmon_set_emergency_temp_hyst(struct device *d, |
| 306 | struct device_attribute *a, |
| 307 | const char *buf, |
| 308 | size_t count) |
| 309 | { |
| 310 | struct drm_device *dev = dev_get_drvdata(d); |
| 311 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 312 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 313 | long value; |
| 314 | |
| 315 | if (kstrtol(buf, 10, &value) == -EINVAL) |
| 316 | return count; |
| 317 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 318 | therm->attr_set(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST, |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 319 | value / 1000); |
| 320 | |
| 321 | return count; |
| 322 | } |
| 323 | static SENSOR_DEVICE_ATTR(temp1_emergency_hyst, S_IRUGO | S_IWUSR, |
| 324 | nouveau_hwmon_emergency_temp_hyst, |
| 325 | nouveau_hwmon_set_emergency_temp_hyst, |
| 326 | 0); |
| 327 | |
| 328 | static ssize_t nouveau_hwmon_show_name(struct device *dev, |
| 329 | struct device_attribute *attr, |
| 330 | char *buf) |
| 331 | { |
| 332 | return sprintf(buf, "nouveau\n"); |
| 333 | } |
| 334 | static SENSOR_DEVICE_ATTR(name, S_IRUGO, nouveau_hwmon_show_name, NULL, 0); |
| 335 | |
| 336 | static ssize_t nouveau_hwmon_show_update_rate(struct device *dev, |
| 337 | struct device_attribute *attr, |
| 338 | char *buf) |
| 339 | { |
| 340 | return sprintf(buf, "1000\n"); |
| 341 | } |
| 342 | static SENSOR_DEVICE_ATTR(update_rate, S_IRUGO, |
| 343 | nouveau_hwmon_show_update_rate, |
| 344 | NULL, 0); |
| 345 | |
| 346 | static ssize_t |
| 347 | nouveau_hwmon_show_fan1_input(struct device *d, struct device_attribute *attr, |
| 348 | char *buf) |
| 349 | { |
| 350 | struct drm_device *dev = dev_get_drvdata(d); |
| 351 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 352 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 353 | |
Ben Skeggs | 57113c0 | 2015-08-20 14:54:21 +1000 | [diff] [blame] | 354 | return snprintf(buf, PAGE_SIZE, "%d\n", nvkm_therm_fan_sense(therm)); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 355 | } |
| 356 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, nouveau_hwmon_show_fan1_input, |
| 357 | NULL, 0); |
| 358 | |
| 359 | static ssize_t |
| 360 | nouveau_hwmon_get_pwm1_enable(struct device *d, |
| 361 | struct device_attribute *a, char *buf) |
| 362 | { |
| 363 | struct drm_device *dev = dev_get_drvdata(d); |
| 364 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 365 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 366 | int ret; |
| 367 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 368 | ret = therm->attr_get(therm, NVKM_THERM_ATTR_FAN_MODE); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 369 | if (ret < 0) |
| 370 | return ret; |
| 371 | |
| 372 | return sprintf(buf, "%i\n", ret); |
| 373 | } |
| 374 | |
| 375 | static ssize_t |
| 376 | nouveau_hwmon_set_pwm1_enable(struct device *d, struct device_attribute *a, |
| 377 | const char *buf, size_t count) |
| 378 | { |
| 379 | struct drm_device *dev = dev_get_drvdata(d); |
| 380 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 381 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 382 | long value; |
| 383 | int ret; |
| 384 | |
Jingoo Han | 0ac4e3a | 2014-02-05 11:02:59 +0900 | [diff] [blame] | 385 | ret = kstrtol(buf, 10, &value); |
| 386 | if (ret) |
| 387 | return ret; |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 388 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 389 | ret = therm->attr_set(therm, NVKM_THERM_ATTR_FAN_MODE, value); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 390 | if (ret) |
| 391 | return ret; |
| 392 | else |
| 393 | return count; |
| 394 | } |
| 395 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, |
| 396 | nouveau_hwmon_get_pwm1_enable, |
| 397 | nouveau_hwmon_set_pwm1_enable, 0); |
| 398 | |
| 399 | static ssize_t |
| 400 | nouveau_hwmon_get_pwm1(struct device *d, struct device_attribute *a, char *buf) |
| 401 | { |
| 402 | struct drm_device *dev = dev_get_drvdata(d); |
| 403 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 404 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 405 | int ret; |
| 406 | |
| 407 | ret = therm->fan_get(therm); |
| 408 | if (ret < 0) |
| 409 | return ret; |
| 410 | |
| 411 | return sprintf(buf, "%i\n", ret); |
| 412 | } |
| 413 | |
| 414 | static ssize_t |
| 415 | nouveau_hwmon_set_pwm1(struct device *d, struct device_attribute *a, |
| 416 | const char *buf, size_t count) |
| 417 | { |
| 418 | struct drm_device *dev = dev_get_drvdata(d); |
| 419 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 420 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 421 | int ret = -ENODEV; |
| 422 | long value; |
| 423 | |
| 424 | if (kstrtol(buf, 10, &value) == -EINVAL) |
| 425 | return -EINVAL; |
| 426 | |
| 427 | ret = therm->fan_set(therm, value); |
| 428 | if (ret) |
| 429 | return ret; |
| 430 | |
| 431 | return count; |
| 432 | } |
| 433 | |
| 434 | static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, |
| 435 | nouveau_hwmon_get_pwm1, |
| 436 | nouveau_hwmon_set_pwm1, 0); |
| 437 | |
| 438 | static ssize_t |
| 439 | nouveau_hwmon_get_pwm1_min(struct device *d, |
| 440 | struct device_attribute *a, char *buf) |
| 441 | { |
| 442 | struct drm_device *dev = dev_get_drvdata(d); |
| 443 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 444 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 445 | int ret; |
| 446 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 447 | ret = therm->attr_get(therm, NVKM_THERM_ATTR_FAN_MIN_DUTY); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 448 | if (ret < 0) |
| 449 | return ret; |
| 450 | |
| 451 | return sprintf(buf, "%i\n", ret); |
| 452 | } |
| 453 | |
| 454 | static ssize_t |
| 455 | nouveau_hwmon_set_pwm1_min(struct device *d, struct device_attribute *a, |
| 456 | const char *buf, size_t count) |
| 457 | { |
| 458 | struct drm_device *dev = dev_get_drvdata(d); |
| 459 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 460 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 461 | long value; |
| 462 | int ret; |
| 463 | |
| 464 | if (kstrtol(buf, 10, &value) == -EINVAL) |
| 465 | return -EINVAL; |
| 466 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 467 | ret = therm->attr_set(therm, NVKM_THERM_ATTR_FAN_MIN_DUTY, value); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 468 | if (ret < 0) |
| 469 | return ret; |
| 470 | |
| 471 | return count; |
| 472 | } |
| 473 | |
| 474 | static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO | S_IWUSR, |
| 475 | nouveau_hwmon_get_pwm1_min, |
| 476 | nouveau_hwmon_set_pwm1_min, 0); |
| 477 | |
| 478 | static ssize_t |
| 479 | nouveau_hwmon_get_pwm1_max(struct device *d, |
| 480 | struct device_attribute *a, char *buf) |
| 481 | { |
| 482 | struct drm_device *dev = dev_get_drvdata(d); |
| 483 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 484 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 485 | int ret; |
| 486 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 487 | ret = therm->attr_get(therm, NVKM_THERM_ATTR_FAN_MAX_DUTY); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 488 | if (ret < 0) |
| 489 | return ret; |
| 490 | |
| 491 | return sprintf(buf, "%i\n", ret); |
| 492 | } |
| 493 | |
| 494 | static ssize_t |
| 495 | nouveau_hwmon_set_pwm1_max(struct device *d, struct device_attribute *a, |
| 496 | const char *buf, size_t count) |
| 497 | { |
| 498 | struct drm_device *dev = dev_get_drvdata(d); |
| 499 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 500 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 501 | long value; |
| 502 | int ret; |
| 503 | |
| 504 | if (kstrtol(buf, 10, &value) == -EINVAL) |
| 505 | return -EINVAL; |
| 506 | |
Ben Skeggs | e140461 | 2015-01-14 15:11:48 +1000 | [diff] [blame] | 507 | ret = therm->attr_set(therm, NVKM_THERM_ATTR_FAN_MAX_DUTY, value); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 508 | if (ret < 0) |
| 509 | return ret; |
| 510 | |
| 511 | return count; |
| 512 | } |
| 513 | |
| 514 | static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO | S_IWUSR, |
| 515 | nouveau_hwmon_get_pwm1_max, |
| 516 | nouveau_hwmon_set_pwm1_max, 0); |
| 517 | |
Karol Herbst | 2e7db87 | 2015-09-20 14:40:27 +0200 | [diff] [blame] | 518 | static ssize_t |
| 519 | nouveau_hwmon_get_in0_input(struct device *d, |
| 520 | struct device_attribute *a, char *buf) |
| 521 | { |
| 522 | struct drm_device *dev = dev_get_drvdata(d); |
| 523 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 524 | struct nvkm_volt *volt = nvxx_volt(&drm->device); |
| 525 | int ret; |
| 526 | |
| 527 | ret = nvkm_volt_get(volt); |
| 528 | if (ret < 0) |
| 529 | return ret; |
| 530 | |
| 531 | return sprintf(buf, "%i\n", ret / 1000); |
| 532 | } |
| 533 | |
| 534 | static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, |
| 535 | nouveau_hwmon_get_in0_input, NULL, 0); |
| 536 | |
| 537 | static ssize_t |
| 538 | nouveau_hwmon_get_in0_label(struct device *d, |
| 539 | struct device_attribute *a, char *buf) |
| 540 | { |
| 541 | return sprintf(buf, "GPU core\n"); |
| 542 | } |
| 543 | |
| 544 | static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, |
| 545 | nouveau_hwmon_get_in0_label, NULL, 0); |
| 546 | |
Karol Herbst | 353b983 | 2016-02-18 20:10:19 +0100 | [diff] [blame] | 547 | static ssize_t |
| 548 | nouveau_hwmon_get_power1_input(struct device *d, struct device_attribute *a, |
| 549 | char *buf) |
| 550 | { |
| 551 | struct drm_device *dev = dev_get_drvdata(d); |
| 552 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 553 | struct nvkm_iccsense *iccsense = nvxx_iccsense(&drm->device); |
| 554 | int result = nvkm_iccsense_read_all(iccsense); |
| 555 | |
| 556 | if (result < 0) |
| 557 | return result; |
| 558 | |
| 559 | return sprintf(buf, "%i\n", result); |
| 560 | } |
| 561 | |
| 562 | static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, |
| 563 | nouveau_hwmon_get_power1_input, NULL, 0); |
| 564 | |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 565 | static struct attribute *hwmon_default_attributes[] = { |
| 566 | &sensor_dev_attr_name.dev_attr.attr, |
| 567 | &sensor_dev_attr_update_rate.dev_attr.attr, |
| 568 | NULL |
| 569 | }; |
| 570 | static struct attribute *hwmon_temp_attributes[] = { |
| 571 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
| 572 | &sensor_dev_attr_temp1_auto_point1_pwm.dev_attr.attr, |
| 573 | &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, |
| 574 | &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr, |
| 575 | &sensor_dev_attr_temp1_max.dev_attr.attr, |
| 576 | &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, |
| 577 | &sensor_dev_attr_temp1_crit.dev_attr.attr, |
| 578 | &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, |
| 579 | &sensor_dev_attr_temp1_emergency.dev_attr.attr, |
| 580 | &sensor_dev_attr_temp1_emergency_hyst.dev_attr.attr, |
| 581 | NULL |
| 582 | }; |
| 583 | static struct attribute *hwmon_fan_rpm_attributes[] = { |
| 584 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
| 585 | NULL |
| 586 | }; |
| 587 | static struct attribute *hwmon_pwm_fan_attributes[] = { |
| 588 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
| 589 | &sensor_dev_attr_pwm1.dev_attr.attr, |
| 590 | &sensor_dev_attr_pwm1_min.dev_attr.attr, |
| 591 | &sensor_dev_attr_pwm1_max.dev_attr.attr, |
| 592 | NULL |
| 593 | }; |
| 594 | |
Karol Herbst | 2e7db87 | 2015-09-20 14:40:27 +0200 | [diff] [blame] | 595 | static struct attribute *hwmon_in0_attributes[] = { |
| 596 | &sensor_dev_attr_in0_input.dev_attr.attr, |
| 597 | &sensor_dev_attr_in0_label.dev_attr.attr, |
| 598 | NULL |
| 599 | }; |
| 600 | |
Karol Herbst | 353b983 | 2016-02-18 20:10:19 +0100 | [diff] [blame] | 601 | static struct attribute *hwmon_power_attributes[] = { |
| 602 | &sensor_dev_attr_power1_input.dev_attr.attr, |
| 603 | NULL |
| 604 | }; |
| 605 | |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 606 | static const struct attribute_group hwmon_default_attrgroup = { |
| 607 | .attrs = hwmon_default_attributes, |
| 608 | }; |
| 609 | static const struct attribute_group hwmon_temp_attrgroup = { |
| 610 | .attrs = hwmon_temp_attributes, |
| 611 | }; |
| 612 | static const struct attribute_group hwmon_fan_rpm_attrgroup = { |
| 613 | .attrs = hwmon_fan_rpm_attributes, |
| 614 | }; |
| 615 | static const struct attribute_group hwmon_pwm_fan_attrgroup = { |
| 616 | .attrs = hwmon_pwm_fan_attributes, |
| 617 | }; |
Karol Herbst | 2e7db87 | 2015-09-20 14:40:27 +0200 | [diff] [blame] | 618 | static const struct attribute_group hwmon_in0_attrgroup = { |
| 619 | .attrs = hwmon_in0_attributes, |
| 620 | }; |
Karol Herbst | 353b983 | 2016-02-18 20:10:19 +0100 | [diff] [blame] | 621 | static const struct attribute_group hwmon_power_attrgroup = { |
| 622 | .attrs = hwmon_power_attributes, |
| 623 | }; |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 624 | #endif |
| 625 | |
| 626 | int |
| 627 | nouveau_hwmon_init(struct drm_device *dev) |
| 628 | { |
| 629 | #if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE)) |
| 630 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 631 | struct nvkm_therm *therm = nvxx_therm(&drm->device); |
Karol Herbst | 2e7db87 | 2015-09-20 14:40:27 +0200 | [diff] [blame] | 632 | struct nvkm_volt *volt = nvxx_volt(&drm->device); |
Karol Herbst | 353b983 | 2016-02-18 20:10:19 +0100 | [diff] [blame] | 633 | struct nvkm_iccsense *iccsense = nvxx_iccsense(&drm->device); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 634 | struct nouveau_hwmon *hwmon; |
| 635 | struct device *hwmon_dev; |
| 636 | int ret = 0; |
| 637 | |
| 638 | hwmon = drm->hwmon = kzalloc(sizeof(*hwmon), GFP_KERNEL); |
| 639 | if (!hwmon) |
| 640 | return -ENOMEM; |
| 641 | hwmon->dev = dev; |
| 642 | |
Alexandre Courbot | f2014cd | 2016-03-02 19:13:42 +0900 | [diff] [blame] | 643 | hwmon_dev = hwmon_device_register(dev->dev); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 644 | if (IS_ERR(hwmon_dev)) { |
| 645 | ret = PTR_ERR(hwmon_dev); |
| 646 | NV_ERROR(drm, "Unable to register hwmon device: %d\n", ret); |
| 647 | return ret; |
| 648 | } |
| 649 | dev_set_drvdata(hwmon_dev, dev); |
| 650 | |
| 651 | /* set the default attributes */ |
| 652 | ret = sysfs_create_group(&hwmon_dev->kobj, &hwmon_default_attrgroup); |
Dan Carpenter | aa34efe | 2014-02-06 12:29:43 +0300 | [diff] [blame] | 653 | if (ret) |
| 654 | goto error; |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 655 | |
Karol Herbst | eb72ed5 | 2016-02-20 17:10:12 +0100 | [diff] [blame] | 656 | if (therm && therm->attr_get && therm->attr_set) { |
| 657 | /* if the card has a working thermal sensor */ |
| 658 | if (nvkm_therm_temp_get(therm) >= 0) { |
| 659 | ret = sysfs_create_group(&hwmon_dev->kobj, &hwmon_temp_attrgroup); |
| 660 | if (ret) |
| 661 | goto error; |
| 662 | } |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 663 | |
Karol Herbst | eb72ed5 | 2016-02-20 17:10:12 +0100 | [diff] [blame] | 664 | /* if the card has a pwm fan */ |
| 665 | /*XXX: incorrect, need better detection for this, some boards have |
| 666 | * the gpio entries for pwm fan control even when there's no |
| 667 | * actual fan connected to it... therm table? */ |
| 668 | if (therm->fan_get && therm->fan_get(therm) >= 0) { |
| 669 | ret = sysfs_create_group(&hwmon_dev->kobj, |
| 670 | &hwmon_pwm_fan_attrgroup); |
| 671 | if (ret) |
| 672 | goto error; |
| 673 | } |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 674 | } |
| 675 | |
| 676 | /* if the card can read the fan rpm */ |
Karol Herbst | eb72ed5 | 2016-02-20 17:10:12 +0100 | [diff] [blame] | 677 | if (therm && nvkm_therm_fan_sense(therm) >= 0) { |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 678 | ret = sysfs_create_group(&hwmon_dev->kobj, |
| 679 | &hwmon_fan_rpm_attrgroup); |
| 680 | if (ret) |
| 681 | goto error; |
| 682 | } |
| 683 | |
Karol Herbst | 2e7db87 | 2015-09-20 14:40:27 +0200 | [diff] [blame] | 684 | if (volt && nvkm_volt_get(volt) >= 0) { |
| 685 | ret = sysfs_create_group(&hwmon_dev->kobj, |
| 686 | &hwmon_in0_attrgroup); |
| 687 | |
| 688 | if (ret) |
| 689 | goto error; |
| 690 | } |
| 691 | |
Karol Herbst | 353b983 | 2016-02-18 20:10:19 +0100 | [diff] [blame] | 692 | if (iccsense && iccsense->data_valid && iccsense->rail_count) { |
| 693 | ret = sysfs_create_group(&hwmon_dev->kobj, |
| 694 | &hwmon_power_attrgroup); |
| 695 | if (ret) |
| 696 | goto error; |
| 697 | } |
| 698 | |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 699 | hwmon->hwmon = hwmon_dev; |
| 700 | |
| 701 | return 0; |
| 702 | |
| 703 | error: |
| 704 | NV_ERROR(drm, "Unable to create some hwmon sysfs files: %d\n", ret); |
| 705 | hwmon_device_unregister(hwmon_dev); |
| 706 | hwmon->hwmon = NULL; |
| 707 | return ret; |
| 708 | #else |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 709 | return 0; |
| 710 | #endif |
| 711 | } |
| 712 | |
| 713 | void |
| 714 | nouveau_hwmon_fini(struct drm_device *dev) |
| 715 | { |
| 716 | #if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE)) |
| 717 | struct nouveau_hwmon *hwmon = nouveau_hwmon(dev); |
| 718 | |
| 719 | if (hwmon->hwmon) { |
| 720 | sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_default_attrgroup); |
| 721 | sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_temp_attrgroup); |
| 722 | sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_pwm_fan_attrgroup); |
| 723 | sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_fan_rpm_attrgroup); |
Karol Herbst | 2e7db87 | 2015-09-20 14:40:27 +0200 | [diff] [blame] | 724 | sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_in0_attrgroup); |
Karol Herbst | 353b983 | 2016-02-18 20:10:19 +0100 | [diff] [blame] | 725 | sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_power_attrgroup); |
Ben Skeggs | b9ed919 | 2013-10-15 09:44:02 +1000 | [diff] [blame] | 726 | |
| 727 | hwmon_device_unregister(hwmon->hwmon); |
| 728 | } |
| 729 | |
| 730 | nouveau_drm(dev)->hwmon = NULL; |
| 731 | kfree(hwmon); |
| 732 | #endif |
| 733 | } |