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path: root/drivers/hwmon/k10temp.c
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Diffstat (limited to 'drivers/hwmon/k10temp.c')
-rw-r--r--drivers/hwmon/k10temp.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index a250481b5a97..3bc2551577a3 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -11,13 +11,6 @@
* convert raw register values is from https://github.com/ocerman/zenpower.
* The information is not confirmed from chip datasheets, but experiments
* suggest that it provides reasonable temperature values.
- * - Register addresses to read chip voltage and current are also from
- * https://github.com/ocerman/zenpower, and not confirmed from chip
- * datasheets. Current calibration is board specific and not typically
- * shared by board vendors. For this reason, current values are
- * normalized to report 1A/LSB for core current and and 0.25A/LSB for SoC
- * current. Reported values can be adjusted using the sensors configuration
- * file.
*/
#include <linux/bitops.h>
@@ -109,10 +102,7 @@ struct k10temp_data {
int temp_offset;
u32 temp_adjust_mask;
u32 show_temp;
- u32 svi_addr[2];
bool is_zen;
- bool show_current;
- int cfactor[2];
};
#define TCTL_BIT 0
@@ -137,16 +127,6 @@ static const struct tctl_offset tctl_offset_table[] = {
{ 0x17, "AMD Ryzen Threadripper 29", 27000 }, /* 29{20,50,70,90}[W]X */
};
-static bool is_threadripper(void)
-{
- return strstr(boot_cpu_data.x86_model_id, "Threadripper");
-}
-
-static bool is_epyc(void)
-{
- return strstr(boot_cpu_data.x86_model_id, "EPYC");
-}
-
static void read_htcreg_pci(struct pci_dev *pdev, u32 *regval)
{
pci_read_config_dword(pdev, REG_HARDWARE_THERMAL_CONTROL, regval);
@@ -211,16 +191,6 @@ static const char *k10temp_temp_label[] = {
"Tccd8",
};
-static const char *k10temp_in_label[] = {
- "Vcore",
- "Vsoc",
-};
-
-static const char *k10temp_curr_label[] = {
- "Icore",
- "Isoc",
-};
-
static int k10temp_read_labels(struct device *dev,
enum hwmon_sensor_types type,
u32 attr, int channel, const char **str)
@@ -229,50 +199,6 @@ static int k10temp_read_labels(struct device *dev,
case hwmon_temp:
*str = k10temp_temp_label[channel];
break;
- case hwmon_in:
- *str = k10temp_in_label[channel];
- break;
- case hwmon_curr:
- *str = k10temp_curr_label[channel];
- break;
- default:
- return -EOPNOTSUPP;
- }
- return 0;
-}
-
-static int k10temp_read_curr(struct device *dev, u32 attr, int channel,
- long *val)
-{
- struct k10temp_data *data = dev_get_drvdata(dev);
- u32 regval;
-
- switch (attr) {
- case hwmon_curr_input:
- amd_smn_read(amd_pci_dev_to_node_id(data->pdev),
- data->svi_addr[channel], &regval);
- *val = DIV_ROUND_CLOSEST(data->cfactor[channel] *
- (regval & 0xff),
- 1000);
- break;
- default:
- return -EOPNOTSUPP;
- }
- return 0;
-}
-
-static int k10temp_read_in(struct device *dev, u32 attr, int channel, long *val)
-{
- struct k10temp_data *data = dev_get_drvdata(dev);
- u32 regval;
-
- switch (attr) {
- case hwmon_in_input:
- amd_smn_read(amd_pci_dev_to_node_id(data->pdev),
- data->svi_addr[channel], &regval);
- regval = (regval >> 16) & 0xff;
- *val = DIV_ROUND_CLOSEST(155000 - regval * 625, 100);
- break;
default:
return -EOPNOTSUPP;
}
@@ -331,10 +257,6 @@ static int k10temp_read(struct device *dev, enum hwmon_sensor_types type,
switch (type) {
case hwmon_temp:
return k10temp_read_temp(dev, attr, channel, val);
- case hwmon_in:
- return k10temp_read_in(dev, attr, channel, val);
- case hwmon_curr:
- return k10temp_read_curr(dev, attr, channel, val);
default:
return -EOPNOTSUPP;
}
@@ -383,11 +305,6 @@ static umode_t k10temp_is_visible(const void *_data,
return 0;
}
break;
- case hwmon_in:
- case hwmon_curr:
- if (!data->show_current)
- return 0;
- break;
default:
return 0;
}
@@ -517,20 +434,10 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
case 0x8: /* Zen+ */
case 0x11: /* Zen APU */
case 0x18: /* Zen+ APU */
- data->show_current = !is_threadripper() && !is_epyc();
- data->svi_addr[0] = F17H_M01H_SVI_TEL_PLANE0;
- data->svi_addr[1] = F17H_M01H_SVI_TEL_PLANE1;
- data->cfactor[0] = F17H_M01H_CFACTOR_ICORE;
- data->cfactor[1] = F17H_M01H_CFACTOR_ISOC;
k10temp_get_ccd_support(pdev, data, 4);
break;
case 0x31: /* Zen2 Threadripper */
case 0x71: /* Zen2 */
- data->show_current = !is_threadripper() && !is_epyc();
- data->cfactor[0] = F17H_M31H_CFACTOR_ICORE;
- data->cfactor[1] = F17H_M31H_CFACTOR_ISOC;
- data->svi_addr[0] = F17H_M31H_SVI_TEL_PLANE0;
- data->svi_addr[1] = F17H_M31H_SVI_TEL_PLANE1;
k10temp_get_ccd_support(pdev, data, 8);
break;
}
@@ -542,11 +449,6 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
switch (boot_cpu_data.x86_model) {
case 0x0 ... 0x1: /* Zen3 */
- data->show_current = true;
- data->svi_addr[0] = F19H_M01_SVI_TEL_PLANE0;
- data->svi_addr[1] = F19H_M01_SVI_TEL_PLANE1;
- data->cfactor[0] = F19H_M01H_CFACTOR_ICORE;
- data->cfactor[1] = F19H_M01H_CFACTOR_ISOC;
k10temp_get_ccd_support(pdev, data, 8);
break;
}