[PATCH v7 3/5] nouveau/hwmon: Remove old code, add .write/.read operations
Oscar Salvador
osalvador.vilardaga at gmail.com
Tue May 16 21:18:40 UTC 2017
This patch removes old code related to the old api and transforms the
functions for the new api. It also adds the .write and .read operations.
Signed-off-by: Oscar Salvador <osalvador.vilardaga at gmail.com>
Reviewed-by: Martin Peres <martin.peres at free.fr>
---
drivers/gpu/drm/nouveau/nouveau_hwmon.c | 844 ++++++++++----------------------
1 file changed, 261 insertions(+), 583 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_hwmon.c b/drivers/gpu/drm/nouveau/nouveau_hwmon.c
index e9908fa..bd14d3b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_hwmon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_hwmon.c
@@ -38,21 +38,6 @@
#include <nvkm/subdev/volt.h>
#if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE))
-static ssize_t
-nouveau_hwmon_show_temp(struct device *d, struct device_attribute *a, char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
- int temp = nvkm_therm_temp_get(therm);
-
- if (temp < 0)
- return temp;
-
- return snprintf(buf, PAGE_SIZE, "%d\n", temp * 1000);
-}
-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, nouveau_hwmon_show_temp,
- NULL, 0);
static ssize_t
nouveau_hwmon_show_temp1_auto_point1_pwm(struct device *d,
@@ -130,234 +115,7 @@ static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
nouveau_hwmon_set_temp1_auto_point1_temp_hyst, 0);
static ssize_t
-nouveau_hwmon_max_temp(struct device *d, struct device_attribute *a, char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- therm->attr_get(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK) * 1000);
-}
-static ssize_t
-nouveau_hwmon_set_max_temp(struct device *d, struct device_attribute *a,
- const char *buf, size_t count)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
- long value;
-
- if (kstrtol(buf, 10, &value) == -EINVAL)
- return count;
-
- therm->attr_set(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK, value / 1000);
-
- return count;
-}
-static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, nouveau_hwmon_max_temp,
- nouveau_hwmon_set_max_temp,
- 0);
-
-static ssize_t
-nouveau_hwmon_max_temp_hyst(struct device *d, struct device_attribute *a,
- char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- therm->attr_get(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST) * 1000);
-}
-static ssize_t
-nouveau_hwmon_set_max_temp_hyst(struct device *d, struct device_attribute *a,
- const char *buf, size_t count)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
- long value;
-
- if (kstrtol(buf, 10, &value) == -EINVAL)
- return count;
-
- therm->attr_set(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST,
- value / 1000);
-
- return count;
-}
-static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
- nouveau_hwmon_max_temp_hyst,
- nouveau_hwmon_set_max_temp_hyst, 0);
-
-static ssize_t
-nouveau_hwmon_critical_temp(struct device *d, struct device_attribute *a,
- char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- therm->attr_get(therm, NVKM_THERM_ATTR_THRS_CRITICAL) * 1000);
-}
-static ssize_t
-nouveau_hwmon_set_critical_temp(struct device *d, struct device_attribute *a,
- const char *buf,
- size_t count)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
- long value;
-
- if (kstrtol(buf, 10, &value) == -EINVAL)
- return count;
-
- therm->attr_set(therm, NVKM_THERM_ATTR_THRS_CRITICAL, value / 1000);
-
- return count;
-}
-static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO | S_IWUSR,
- nouveau_hwmon_critical_temp,
- nouveau_hwmon_set_critical_temp,
- 0);
-
-static ssize_t
-nouveau_hwmon_critical_temp_hyst(struct device *d, struct device_attribute *a,
- char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- therm->attr_get(therm, NVKM_THERM_ATTR_THRS_CRITICAL_HYST) * 1000);
-}
-static ssize_t
-nouveau_hwmon_set_critical_temp_hyst(struct device *d,
- struct device_attribute *a,
- const char *buf,
- size_t count)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
- long value;
-
- if (kstrtol(buf, 10, &value) == -EINVAL)
- return count;
-
- therm->attr_set(therm, NVKM_THERM_ATTR_THRS_CRITICAL_HYST,
- value / 1000);
-
- return count;
-}
-static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO | S_IWUSR,
- nouveau_hwmon_critical_temp_hyst,
- nouveau_hwmon_set_critical_temp_hyst, 0);
-static ssize_t
-nouveau_hwmon_emergency_temp(struct device *d, struct device_attribute *a,
- char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- therm->attr_get(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN) * 1000);
-}
-static ssize_t
-nouveau_hwmon_set_emergency_temp(struct device *d, struct device_attribute *a,
- const char *buf,
- size_t count)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
- long value;
-
- if (kstrtol(buf, 10, &value) == -EINVAL)
- return count;
-
- therm->attr_set(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN, value / 1000);
-
- return count;
-}
-static SENSOR_DEVICE_ATTR(temp1_emergency, S_IRUGO | S_IWUSR,
- nouveau_hwmon_emergency_temp,
- nouveau_hwmon_set_emergency_temp,
- 0);
-
-static ssize_t
-nouveau_hwmon_emergency_temp_hyst(struct device *d, struct device_attribute *a,
- char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- therm->attr_get(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST) * 1000);
-}
-static ssize_t
-nouveau_hwmon_set_emergency_temp_hyst(struct device *d,
- struct device_attribute *a,
- const char *buf,
- size_t count)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
- long value;
-
- if (kstrtol(buf, 10, &value) == -EINVAL)
- return count;
-
- therm->attr_set(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST,
- value / 1000);
-
- return count;
-}
-static SENSOR_DEVICE_ATTR(temp1_emergency_hyst, S_IRUGO | S_IWUSR,
- nouveau_hwmon_emergency_temp_hyst,
- nouveau_hwmon_set_emergency_temp_hyst,
- 0);
-
-static ssize_t nouveau_hwmon_show_name(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return sprintf(buf, "nouveau\n");
-}
-static SENSOR_DEVICE_ATTR(name, S_IRUGO, nouveau_hwmon_show_name, NULL, 0);
-
-static ssize_t nouveau_hwmon_show_update_rate(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return sprintf(buf, "1000\n");
-}
-static SENSOR_DEVICE_ATTR(update_rate, S_IRUGO,
- nouveau_hwmon_show_update_rate,
- NULL, 0);
-
-static ssize_t
-nouveau_hwmon_show_fan1_input(struct device *d, struct device_attribute *attr,
- char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
-
- return snprintf(buf, PAGE_SIZE, "%d\n", nvkm_therm_fan_sense(therm));
-}
-static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, nouveau_hwmon_show_fan1_input,
- NULL, 0);
-
- static ssize_t
-nouveau_hwmon_get_pwm1_enable(struct device *d,
+nouveau_hwmon_get_pwm1_max(struct device *d,
struct device_attribute *a, char *buf)
{
struct drm_device *dev = dev_get_drvdata(d);
@@ -365,46 +123,7 @@ nouveau_hwmon_get_pwm1_enable(struct device *d,
struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
int ret;
- ret = therm->attr_get(therm, NVKM_THERM_ATTR_FAN_MODE);
- if (ret < 0)
- return ret;
-
- return sprintf(buf, "%i\n", ret);
-}
-
-static ssize_t
-nouveau_hwmon_set_pwm1_enable(struct device *d, struct device_attribute *a,
- const char *buf, size_t count)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
- long value;
- int ret;
-
- ret = kstrtol(buf, 10, &value);
- if (ret)
- return ret;
-
- ret = therm->attr_set(therm, NVKM_THERM_ATTR_FAN_MODE, value);
- if (ret)
- return ret;
- else
- return count;
-}
-static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
- nouveau_hwmon_get_pwm1_enable,
- nouveau_hwmon_set_pwm1_enable, 0);
-
-static ssize_t
-nouveau_hwmon_get_pwm1(struct device *d, struct device_attribute *a, char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
- int ret;
-
- ret = therm->fan_get(therm);
+ ret = therm->attr_get(therm, NVKM_THERM_ATTR_FAN_MAX_DUTY);
if (ret < 0)
return ret;
@@ -412,30 +131,6 @@ nouveau_hwmon_get_pwm1(struct device *d, struct device_attribute *a, char *buf)
}
static ssize_t
-nouveau_hwmon_set_pwm1(struct device *d, struct device_attribute *a,
- const char *buf, size_t count)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
- int ret = -ENODEV;
- long value;
-
- if (kstrtol(buf, 10, &value) == -EINVAL)
- return -EINVAL;
-
- ret = therm->fan_set(therm, value);
- if (ret)
- return ret;
-
- return count;
-}
-
-static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR,
- nouveau_hwmon_get_pwm1,
- nouveau_hwmon_set_pwm1, 0);
-
-static ssize_t
nouveau_hwmon_get_pwm1_min(struct device *d,
struct device_attribute *a, char *buf)
{
@@ -470,28 +165,11 @@ nouveau_hwmon_set_pwm1_min(struct device *d, struct device_attribute *a,
return count;
}
-
static SENSOR_DEVICE_ATTR(pwm1_min, S_IRUGO | S_IWUSR,
nouveau_hwmon_get_pwm1_min,
nouveau_hwmon_set_pwm1_min, 0);
static ssize_t
-nouveau_hwmon_get_pwm1_max(struct device *d,
- struct device_attribute *a, char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
- int ret;
-
- ret = therm->attr_get(therm, NVKM_THERM_ATTR_FAN_MAX_DUTY);
- if (ret < 0)
- return ret;
-
- return sprintf(buf, "%i\n", ret);
-}
-
-static ssize_t
nouveau_hwmon_set_pwm1_max(struct device *d, struct device_attribute *a,
const char *buf, size_t count)
{
@@ -510,189 +188,10 @@ nouveau_hwmon_set_pwm1_max(struct device *d, struct device_attribute *a,
return count;
}
-
static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO | S_IWUSR,
nouveau_hwmon_get_pwm1_max,
nouveau_hwmon_set_pwm1_max, 0);
-static ssize_t
-nouveau_hwmon_get_in0_input(struct device *d,
- struct device_attribute *a, char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_volt *volt = nvxx_volt(&drm->client.device);
- int ret;
-
- ret = nvkm_volt_get(volt);
- if (ret < 0)
- return ret;
-
- return sprintf(buf, "%i\n", ret / 1000);
-}
-
-static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO,
- nouveau_hwmon_get_in0_input, NULL, 0);
-
-static ssize_t
-nouveau_hwmon_get_in0_min(struct device *d,
- struct device_attribute *a, char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_volt *volt = nvxx_volt(&drm->client.device);
-
- if (!volt || !volt->min_uv)
- return -ENODEV;
-
- return sprintf(buf, "%i\n", volt->min_uv / 1000);
-}
-
-static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO,
- nouveau_hwmon_get_in0_min, NULL, 0);
-
-static ssize_t
-nouveau_hwmon_get_in0_max(struct device *d,
- struct device_attribute *a, char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_volt *volt = nvxx_volt(&drm->client.device);
-
- if (!volt || !volt->max_uv)
- return -ENODEV;
-
- return sprintf(buf, "%i\n", volt->max_uv / 1000);
-}
-
-static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO,
- nouveau_hwmon_get_in0_max, NULL, 0);
-
-static ssize_t
-nouveau_hwmon_get_in0_label(struct device *d,
- struct device_attribute *a, char *buf)
-{
- return sprintf(buf, "GPU core\n");
-}
-
-static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO,
- nouveau_hwmon_get_in0_label, NULL, 0);
-
-static ssize_t
-nouveau_hwmon_get_power1_input(struct device *d, struct device_attribute *a,
- char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_iccsense *iccsense = nvxx_iccsense(&drm->client.device);
- int result = nvkm_iccsense_read_all(iccsense);
-
- if (result < 0)
- return result;
-
- return sprintf(buf, "%i\n", result);
-}
-
-static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO,
- nouveau_hwmon_get_power1_input, NULL, 0);
-
-static ssize_t
-nouveau_hwmon_get_power1_max(struct device *d, struct device_attribute *a,
- char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_iccsense *iccsense = nvxx_iccsense(&drm->client.device);
- return sprintf(buf, "%i\n", iccsense->power_w_max);
-}
-
-static SENSOR_DEVICE_ATTR(power1_max, S_IRUGO,
- nouveau_hwmon_get_power1_max, NULL, 0);
-
-static ssize_t
-nouveau_hwmon_get_power1_crit(struct device *d, struct device_attribute *a,
- char *buf)
-{
- struct drm_device *dev = dev_get_drvdata(d);
- struct nouveau_drm *drm = nouveau_drm(dev);
- struct nvkm_iccsense *iccsense = nvxx_iccsense(&drm->client.device);
- return sprintf(buf, "%i\n", iccsense->power_w_crit);
-}
-
-static SENSOR_DEVICE_ATTR(power1_crit, S_IRUGO,
- nouveau_hwmon_get_power1_crit, NULL, 0);
-
-static struct attribute *hwmon_default_attributes[] = {
- &sensor_dev_attr_name.dev_attr.attr,
- &sensor_dev_attr_update_rate.dev_attr.attr,
- NULL
-};
-static struct attribute *hwmon_temp_attributes[] = {
- &sensor_dev_attr_temp1_input.dev_attr.attr,
- &sensor_dev_attr_temp1_auto_point1_pwm.dev_attr.attr,
- &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
- &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
- &sensor_dev_attr_temp1_max.dev_attr.attr,
- &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
- &sensor_dev_attr_temp1_crit.dev_attr.attr,
- &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr,
- &sensor_dev_attr_temp1_emergency.dev_attr.attr,
- &sensor_dev_attr_temp1_emergency_hyst.dev_attr.attr,
- NULL
-};
-static struct attribute *hwmon_fan_rpm_attributes[] = {
- &sensor_dev_attr_fan1_input.dev_attr.attr,
- NULL
-};
-static struct attribute *hwmon_pwm_fan_attributes[] = {
- &sensor_dev_attr_pwm1_enable.dev_attr.attr,
- &sensor_dev_attr_pwm1.dev_attr.attr,
- &sensor_dev_attr_pwm1_min.dev_attr.attr,
- &sensor_dev_attr_pwm1_max.dev_attr.attr,
- NULL
-};
-
-static struct attribute *hwmon_in0_attributes[] = {
- &sensor_dev_attr_in0_input.dev_attr.attr,
- &sensor_dev_attr_in0_min.dev_attr.attr,
- &sensor_dev_attr_in0_max.dev_attr.attr,
- &sensor_dev_attr_in0_label.dev_attr.attr,
- NULL
-};
-
-static struct attribute *hwmon_power_attributes[] = {
- &sensor_dev_attr_power1_input.dev_attr.attr,
- NULL
-};
-
-static struct attribute *hwmon_power_caps_attributes[] = {
- &sensor_dev_attr_power1_max.dev_attr.attr,
- &sensor_dev_attr_power1_crit.dev_attr.attr,
- NULL
-};
-
-static const struct attribute_group hwmon_default_attrgroup = {
- .attrs = hwmon_default_attributes,
-};
-static const struct attribute_group hwmon_temp_attrgroup = {
- .attrs = hwmon_temp_attributes,
-};
-static const struct attribute_group hwmon_fan_rpm_attrgroup = {
- .attrs = hwmon_fan_rpm_attributes,
-};
-static const struct attribute_group hwmon_pwm_fan_attrgroup = {
- .attrs = hwmon_pwm_fan_attributes,
-};
-static const struct attribute_group hwmon_in0_attrgroup = {
- .attrs = hwmon_in0_attributes,
-};
-static const struct attribute_group hwmon_power_attrgroup = {
- .attrs = hwmon_power_attributes,
-};
-static const struct attribute_group hwmon_power_caps_attrgroup = {
- .attrs = hwmon_power_caps_attributes,
-};
-
static const u32 nouveau_config_chip[] = {
HWMON_C_UPDATE_INTERVAL,
0
@@ -812,13 +311,14 @@ nouveau_temp_is_visible(const void *data, u32 attr, int channel)
switch (attr) {
case hwmon_temp_input:
+ return 0444;
case hwmon_temp_max:
case hwmon_temp_max_hyst:
case hwmon_temp_crit:
case hwmon_temp_crit_hyst:
case hwmon_temp_emergency:
case hwmon_temp_emergency_hyst:
- return 0444;
+ return 0644;
default:
return 0;
}
@@ -880,6 +380,222 @@ nouveau_fan_is_visible(const void *data, u32 attr, int channel)
}
}
+static int
+nouveau_chip_read(struct device *dev, u32 attr, int channel, long *val)
+{
+ switch (attr) {
+ case hwmon_chip_update_interval:
+ *val = 1000;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int
+nouveau_temp_read(struct device *dev, u32 attr, int channel, long *val)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ struct nouveau_drm *drm = nouveau_drm(drm_dev);
+ struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
+ int ret;
+
+ if (!therm || !therm->attr_get)
+ return -EOPNOTSUPP;
+
+ switch (attr) {
+ case hwmon_temp_input:
+ ret = nvkm_therm_temp_get(therm);
+ *val = ret < 0 ? ret : (ret * 1000);
+ break;
+ case hwmon_temp_max:
+ *val = therm->attr_get(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK)
+ * 1000;
+ break;
+ case hwmon_temp_max_hyst:
+ *val = therm->attr_get(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST)
+ * 1000;
+ break;
+ case hwmon_temp_crit:
+ *val = therm->attr_get(therm, NVKM_THERM_ATTR_THRS_CRITICAL)
+ * 1000;
+ break;
+ case hwmon_temp_crit_hyst:
+ *val = therm->attr_get(therm, NVKM_THERM_ATTR_THRS_CRITICAL_HYST)
+ * 1000;
+ break;
+ case hwmon_temp_emergency:
+ *val = therm->attr_get(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN)
+ * 1000;
+ break;
+ case hwmon_temp_emergency_hyst:
+ *val = therm->attr_get(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST)
+ * 1000;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int
+nouveau_fan_read(struct device *dev, u32 attr, int channel, long *val)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ struct nouveau_drm *drm = nouveau_drm(drm_dev);
+ struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
+
+ if (!therm)
+ return -EOPNOTSUPP;
+
+ switch (attr) {
+ case hwmon_fan_input:
+ *val = nvkm_therm_fan_sense(therm);
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int
+nouveau_in_read(struct device *dev, u32 attr, int channel, long *val)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ struct nouveau_drm *drm = nouveau_drm(drm_dev);
+ struct nvkm_volt *volt = nvxx_volt(&drm->client.device);
+ int ret;
+
+ if (!volt)
+ return -EOPNOTSUPP;
+
+ switch (attr) {
+ case hwmon_in_input:
+ ret = nvkm_volt_get(volt);
+ *val = ret < 0 ? ret : (ret / 1000);
+ break;
+ case hwmon_in_min:
+ *val = volt->min_uv > 0 ? (volt->min_uv / 1000) : -ENODEV;
+ break;
+ case hwmon_in_max:
+ *val = volt->max_uv > 0 ? (volt->max_uv / 1000) : -ENODEV;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int
+nouveau_pwm_read(struct device *dev, u32 attr, int channel, long *val)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ struct nouveau_drm *drm = nouveau_drm(drm_dev);
+ struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
+
+ if (!therm || !therm->attr_get || !therm->fan_get)
+ return -EOPNOTSUPP;
+
+ switch (attr) {
+ case hwmon_pwm_enable:
+ *val = therm->attr_get(therm, NVKM_THERM_ATTR_FAN_MODE);
+ break;
+ case hwmon_pwm_input:
+ *val = therm->fan_get(therm);
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int
+nouveau_power_read(struct device *dev, u32 attr, int channel, long *val)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ struct nouveau_drm *drm = nouveau_drm(drm_dev);
+ struct nvkm_iccsense *iccsense = nvxx_iccsense(&drm->client.device);
+
+ if (!iccsense)
+ return -EOPNOTSUPP;
+
+ switch (attr) {
+ case hwmon_power_input:
+ *val = nvkm_iccsense_read_all(iccsense);
+ break;
+ case hwmon_power_max:
+ *val = iccsense->power_w_max;
+ break;
+ case hwmon_power_crit:
+ *val = iccsense->power_w_crit;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int
+nouveau_temp_write(struct device *dev, u32 attr, int channel, long val)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ struct nouveau_drm *drm = nouveau_drm(drm_dev);
+ struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
+
+ if (!therm || !therm->attr_set)
+ return -EOPNOTSUPP;
+
+ switch (attr) {
+ case hwmon_temp_max:
+ return therm->attr_set(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK,
+ val / 1000);
+ case hwmon_temp_max_hyst:
+ return therm->attr_set(therm, NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST,
+ val / 1000);
+ case hwmon_temp_crit:
+ return therm->attr_set(therm, NVKM_THERM_ATTR_THRS_CRITICAL,
+ val / 1000);
+ case hwmon_temp_crit_hyst:
+ return therm->attr_set(therm, NVKM_THERM_ATTR_THRS_CRITICAL_HYST,
+ val / 1000);
+ case hwmon_temp_emergency:
+ return therm->attr_set(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN,
+ val / 1000);
+ case hwmon_temp_emergency_hyst:
+ return therm->attr_set(therm, NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST,
+ val / 1000);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int
+nouveau_pwm_write(struct device *dev, u32 attr, int channel, long val)
+{
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ struct nouveau_drm *drm = nouveau_drm(drm_dev);
+ struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
+
+ if (!therm || !therm->attr_set)
+ return -EOPNOTSUPP;
+
+ switch (attr) {
+ case hwmon_pwm_input:
+ return therm->fan_set(therm, val);
+ case hwmon_pwm_enable:
+ return therm->attr_set(therm, NVKM_THERM_ATTR_FAN_MODE, val);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
static umode_t
nouveau_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr,
int channel)
@@ -916,11 +632,47 @@ nouveau_read_string(struct device *dev, enum hwmon_sensor_types type, u32 attr,
return -EOPNOTSUPP;
}
+static int
+nouveau_read(struct device *dev, enum hwmon_sensor_types type, u32 attr,
+ int channel, long *val)
+{
+ switch (type) {
+ case hwmon_chip:
+ return nouveau_chip_read(dev, attr, channel, val);
+ case hwmon_temp:
+ return nouveau_temp_read(dev, attr, channel, val);
+ case hwmon_fan:
+ return nouveau_fan_read(dev, attr, channel, val);
+ case hwmon_in:
+ return nouveau_in_read(dev, attr, channel, val);
+ case hwmon_pwm:
+ return nouveau_pwm_read(dev, attr, channel, val);
+ case hwmon_power:
+ return nouveau_power_read(dev, attr, channel, val);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int
+nouveau_write(struct device *dev, enum hwmon_sensor_types type, u32 attr,
+ int channel, long val)
+{
+ switch (type) {
+ case hwmon_temp:
+ return nouveau_temp_write(dev, attr, channel, val);
+ case hwmon_pwm:
+ return nouveau_pwm_write(dev, attr, channel, val);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
static const struct hwmon_ops nouveau_hwmon_ops = {
.is_visible = nouveau_is_visible,
- .read = NULL,
+ .read = nouveau_read,
.read_string = nouveau_read_string,
- .write = NULL,
+ .write = nouveau_write,
};
static const struct hwmon_chip_info nouveau_chip_info = {
@@ -935,8 +687,6 @@ nouveau_hwmon_init(struct drm_device *dev)
#if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE))
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvkm_therm *therm = nvxx_therm(&drm->client.device);
- struct nvkm_volt *volt = nvxx_volt(&drm->client.device);
- struct nvkm_iccsense *iccsense = nvxx_iccsense(&drm->client.device);
struct nouveau_hwmon *hwmon;
struct device *hwmon_dev;
int ret = 0;
@@ -946,79 +696,16 @@ nouveau_hwmon_init(struct drm_device *dev)
return -ENOMEM;
hwmon->dev = dev;
- hwmon_dev = hwmon_device_register(dev->dev);
+ hwmon_dev = hwmon_device_register_with_info(dev->dev, "nouveau", dev,
+ &nouveau_chip_info, NULL);
if (IS_ERR(hwmon_dev)) {
ret = PTR_ERR(hwmon_dev);
NV_ERROR(drm, "Unable to register hwmon device: %d\n", ret);
return ret;
}
- dev_set_drvdata(hwmon_dev, dev);
-
- /* set the default attributes */
- ret = sysfs_create_group(&hwmon_dev->kobj, &hwmon_default_attrgroup);
- if (ret)
- goto error;
-
- if (therm && therm->attr_get && therm->attr_set) {
- /* if the card has a working thermal sensor */
- if (nvkm_therm_temp_get(therm) >= 0) {
- ret = sysfs_create_group(&hwmon_dev->kobj, &hwmon_temp_attrgroup);
- if (ret)
- goto error;
- }
-
- /* if the card has a pwm fan */
- /*XXX: incorrect, need better detection for this, some boards have
- * the gpio entries for pwm fan control even when there's no
- * actual fan connected to it... therm table? */
- if (therm->fan_get && therm->fan_get(therm) >= 0) {
- ret = sysfs_create_group(&hwmon_dev->kobj,
- &hwmon_pwm_fan_attrgroup);
- if (ret)
- goto error;
- }
- }
-
- /* if the card can read the fan rpm */
- if (therm && nvkm_therm_fan_sense(therm) >= 0) {
- ret = sysfs_create_group(&hwmon_dev->kobj,
- &hwmon_fan_rpm_attrgroup);
- if (ret)
- goto error;
- }
-
- if (volt && nvkm_volt_get(volt) >= 0) {
- ret = sysfs_create_group(&hwmon_dev->kobj,
- &hwmon_in0_attrgroup);
-
- if (ret)
- goto error;
- }
-
- if (iccsense && iccsense->data_valid && !list_empty(&iccsense->rails)) {
- ret = sysfs_create_group(&hwmon_dev->kobj,
- &hwmon_power_attrgroup);
-
- if (ret)
- goto error;
-
- if (iccsense->power_w_max && iccsense->power_w_crit) {
- ret = sysfs_create_group(&hwmon_dev->kobj,
- &hwmon_power_caps_attrgroup);
- if (ret)
- goto error;
- }
- }
hwmon->hwmon = hwmon_dev;
-
return 0;
-
-error:
- NV_ERROR(drm, "Unable to create some hwmon sysfs files: %d\n", ret);
- hwmon_device_unregister(hwmon_dev);
- hwmon->hwmon = NULL;
- return ret;
#else
return 0;
#endif
@@ -1030,17 +717,8 @@ nouveau_hwmon_fini(struct drm_device *dev)
#if defined(CONFIG_HWMON) || (defined(MODULE) && defined(CONFIG_HWMON_MODULE))
struct nouveau_hwmon *hwmon = nouveau_hwmon(dev);
- if (hwmon->hwmon) {
- sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_default_attrgroup);
- sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_temp_attrgroup);
- sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_pwm_fan_attrgroup);
- sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_fan_rpm_attrgroup);
- sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_in0_attrgroup);
- sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_power_attrgroup);
- sysfs_remove_group(&hwmon->hwmon->kobj, &hwmon_power_caps_attrgroup);
-
+ if (hwmon->hwmon)
hwmon_device_unregister(hwmon->hwmon);
- }
nouveau_drm(dev)->hwmon = NULL;
kfree(hwmon);
--
2.1.4
More information about the dri-devel
mailing list