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path: root/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
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Diffstat (limited to 'drivers/thermal/intel/int340x_thermal/processor_thermal_device.c')
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_device.c136
1 files changed, 123 insertions, 13 deletions
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
index 3ca0a2f5937f..48e7849d4816 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
@@ -9,6 +9,7 @@
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/thermal.h>
+#include <asm/msr.h>
#include "int340x_thermal_zone.h"
#include "processor_thermal_device.h"
#include "../intel_soc_dts_iosf.h"
@@ -26,6 +27,48 @@ static ssize_t power_limit_##index##_##suffix##_show(struct device *dev, \
(unsigned long)proc_dev->power_limits[index].suffix * 1000); \
}
+static ssize_t power_floor_status_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct proc_thermal_device *proc_dev = dev_get_drvdata(dev);
+ int ret;
+
+ ret = proc_thermal_read_power_floor_status(proc_dev);
+
+ return sysfs_emit(buf, "%d\n", ret);
+}
+
+static ssize_t power_floor_enable_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct proc_thermal_device *proc_dev = dev_get_drvdata(dev);
+ bool ret;
+
+ ret = proc_thermal_power_floor_get_state(proc_dev);
+
+ return sysfs_emit(buf, "%d\n", ret);
+}
+
+static ssize_t power_floor_enable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct proc_thermal_device *proc_dev = dev_get_drvdata(dev);
+ u8 state;
+ int ret;
+
+ if (kstrtou8(buf, 0, &state))
+ return -EINVAL;
+
+ ret = proc_thermal_power_floor_set_state(proc_dev, !!state);
+ if (ret)
+ return ret;
+
+ return count;
+}
+
POWER_LIMIT_SHOW(0, min_uw)
POWER_LIMIT_SHOW(0, max_uw)
POWER_LIMIT_SHOW(0, step_uw)
@@ -50,6 +93,9 @@ static DEVICE_ATTR_RO(power_limit_1_step_uw);
static DEVICE_ATTR_RO(power_limit_1_tmin_us);
static DEVICE_ATTR_RO(power_limit_1_tmax_us);
+static DEVICE_ATTR_RO(power_floor_status);
+static DEVICE_ATTR_RW(power_floor_enable);
+
static struct attribute *power_limit_attrs[] = {
&dev_attr_power_limit_0_min_uw.attr,
&dev_attr_power_limit_1_min_uw.attr,
@@ -61,12 +107,30 @@ static struct attribute *power_limit_attrs[] = {
&dev_attr_power_limit_1_tmin_us.attr,
&dev_attr_power_limit_0_tmax_us.attr,
&dev_attr_power_limit_1_tmax_us.attr,
+ &dev_attr_power_floor_status.attr,
+ &dev_attr_power_floor_enable.attr,
NULL
};
+static umode_t power_limit_attr_visible(struct kobject *kobj, struct attribute *attr, int unused)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct proc_thermal_device *proc_dev;
+
+ if (attr != &dev_attr_power_floor_status.attr && attr != &dev_attr_power_floor_enable.attr)
+ return attr->mode;
+
+ proc_dev = dev_get_drvdata(dev);
+ if (!proc_dev || !(proc_dev->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR))
+ return 0;
+
+ return attr->mode;
+}
+
static const struct attribute_group power_limit_attribute_group = {
.attrs = power_limit_attrs,
- .name = "power_limits"
+ .name = "power_limits",
+ .is_visible = power_limit_attr_visible,
};
static ssize_t tcc_offset_degree_celsius_show(struct device *dev,
@@ -90,7 +154,7 @@ static ssize_t tcc_offset_degree_celsius_store(struct device *dev,
u64 val;
int err;
- err = rdmsrl_safe(MSR_PLATFORM_INFO, &val);
+ err = rdmsrq_safe(MSR_PLATFORM_INFO, &val);
if (err)
return err;
@@ -113,14 +177,14 @@ static int proc_thermal_get_zone_temp(struct thermal_zone_device *zone,
int *temp)
{
int cpu;
- int curr_temp;
+ int curr_temp, ret;
*temp = 0;
for_each_online_cpu(cpu) {
- curr_temp = intel_tcc_get_temp(cpu, false);
- if (curr_temp < 0)
- return curr_temp;
+ ret = intel_tcc_get_temp(cpu, &curr_temp, false);
+ if (ret < 0)
+ return ret;
if (!*temp || curr_temp > *temp)
*temp = curr_temp;
}
@@ -274,10 +338,17 @@ static int tcc_offset_save = -1;
int proc_thermal_suspend(struct device *dev)
{
+ struct proc_thermal_device *proc_dev;
+
tcc_offset_save = intel_tcc_get_offset(-1);
if (tcc_offset_save < 0)
dev_warn(dev, "failed to save offset (%d)\n", tcc_offset_save);
+ proc_dev = dev_get_drvdata(dev);
+
+ if (proc_dev->mmio_feature_mask & PROC_THERMAL_FEATURE_SOC_POWER_SLIDER)
+ proc_thermal_soc_power_slider_suspend(proc_dev);
+
return 0;
}
EXPORT_SYMBOL_GPL(proc_thermal_suspend);
@@ -293,6 +364,9 @@ int proc_thermal_resume(struct device *dev)
if (tcc_offset_save >= 0)
intel_tcc_set_offset(-1, tcc_offset_save);
+ if (proc_dev->mmio_feature_mask & PROC_THERMAL_FEATURE_SOC_POWER_SLIDER)
+ proc_thermal_soc_power_slider_resume(proc_dev);
+
return 0;
}
EXPORT_SYMBOL_GPL(proc_thermal_resume);
@@ -336,28 +410,54 @@ int proc_thermal_mmio_add(struct pci_dev *pdev,
}
}
+ if (feature_mask & PROC_THERMAL_FEATURE_PTC) {
+ ret = proc_thermal_ptc_add(pdev, proc_priv);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to add PTC MMIO interface\n");
+ goto err_rem_rapl;
+ }
+ }
+
if (feature_mask & PROC_THERMAL_FEATURE_FIVR ||
feature_mask & PROC_THERMAL_FEATURE_DVFS ||
feature_mask & PROC_THERMAL_FEATURE_DLVR) {
ret = proc_thermal_rfim_add(pdev, proc_priv);
if (ret) {
dev_err(&pdev->dev, "failed to add RFIM interface\n");
- goto err_rem_rapl;
+ goto err_rem_ptc;
}
}
- if (feature_mask & PROC_THERMAL_FEATURE_MBOX) {
- ret = proc_thermal_mbox_add(pdev, proc_priv);
+ if (feature_mask & PROC_THERMAL_FEATURE_WT_REQ) {
+ ret = proc_thermal_wt_req_add(pdev, proc_priv);
if (ret) {
dev_err(&pdev->dev, "failed to add MBOX interface\n");
goto err_rem_rfim;
}
+ } else if (feature_mask & PROC_THERMAL_FEATURE_WT_HINT) {
+ ret = proc_thermal_wt_hint_add(pdev, proc_priv);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to add WT Hint\n");
+ goto err_rem_rfim;
+ }
+ }
+
+ if (feature_mask & PROC_THERMAL_FEATURE_SOC_POWER_SLIDER) {
+ ret = proc_thermal_soc_power_slider_add(pdev, proc_priv);
+ if (ret) {
+ dev_info(&pdev->dev, "failed to add soc power efficiency slider\n");
+ goto err_rem_wlt;
+ }
}
return 0;
+err_rem_wlt:
+ proc_thermal_wt_hint_remove(pdev);
err_rem_rfim:
proc_thermal_rfim_remove(pdev);
+err_rem_ptc:
+ proc_thermal_ptc_remove(pdev);
err_rem_rapl:
proc_thermal_rapl_remove();
@@ -370,16 +470,26 @@ void proc_thermal_mmio_remove(struct pci_dev *pdev, struct proc_thermal_device *
if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_RAPL)
proc_thermal_rapl_remove();
+ if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_PTC)
+ proc_thermal_ptc_remove(pdev);
+
if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_FIVR ||
- proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_DVFS)
+ proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_DVFS ||
+ proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_DLVR)
proc_thermal_rfim_remove(pdev);
- if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_MBOX)
- proc_thermal_mbox_remove(pdev);
+ if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR)
+ proc_thermal_power_floor_set_state(proc_priv, false);
+
+ if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_REQ)
+ proc_thermal_wt_req_remove(pdev);
+ else if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_HINT)
+ proc_thermal_wt_hint_remove(pdev);
}
EXPORT_SYMBOL_GPL(proc_thermal_mmio_remove);
-MODULE_IMPORT_NS(INTEL_TCC);
+MODULE_IMPORT_NS("INTEL_TCC");
+MODULE_IMPORT_NS("INT340X_THERMAL");
MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
MODULE_DESCRIPTION("Processor Thermal Reporting Device Driver");
MODULE_LICENSE("GPL v2");