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