diff options
Diffstat (limited to 'zenpower.c')
| -rw-r--r-- | zenpower.c | 394 |
1 files changed, 187 insertions, 207 deletions
@@ -1,5 +1,4 @@ #include <linux/hwmon.h> -#include <linux/hwmon-sysfs.h> #include <linux/module.h> #include <linux/pci.h> #include <asm/amd_nb.h> @@ -76,28 +75,31 @@ static const struct tctl_offset tctl_offset_table[] = { static DEFINE_MUTEX(nb_smu_ind_mutex); -static umode_t zenpower_is_visible(struct kobject *kobj, - struct attribute *attr, int index) +static umode_t zenpower_is_visible(const void *rdata, + enum hwmon_sensor_types type, + u32 attr, int channel) { - struct device *dev = container_of(kobj, struct device, kobj); - struct zenpower_data *data = dev_get_drvdata(dev); + const struct zenpower_data *data = rdata; - switch (index) { - case 4 ... 11: // current and power - if (!data->amps_visible) + switch (type) { + case hwmon_temp: + if (data->ccd1_visible == false && channel == 2) // Tccd1 return 0; - break; - case 17 ... 18: // CCD1 temperature - if (!data->ccd1_visible) + if (data->ccd2_visible == false && channel == 3) // Tccd2 return 0; break; - case 19 ... 20: // CCD2 temperature - if (!data->ccd2_visible) + + case hwmon_curr: + case hwmon_power: + if (data->amps_visible == false) return 0; break; + + default: + break; } - return attr->mode; + return 0444; } static u32 plane_to_vcc(u32 p) @@ -153,122 +155,6 @@ static unsigned int get_ccd_temp(struct zenpower_data *data, u32 ccd_addr) return (regval & 0xfff) * 125 - 305000; } -static ssize_t temp1_input_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct zenpower_data *data = dev_get_drvdata(dev); - unsigned int temp = get_ctl_temp(data); - - if (temp > data->temp_offset) - temp -= data->temp_offset; - else - temp = 0; - - return sprintf(buf, "%u\n", temp); -} - -static ssize_t temp1_max_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - // source: https://www.amd.com/en/products/cpu/amd-ryzen-7-3700x - // other cpus have also same same* Tmax on AMD website - // * = note: AMD list on website max of Tctl, not max of Tdie - return sprintf(buf, "%d\n", 95 * 1000); -} - -static ssize_t temp2_input_show(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct zenpower_data *data = dev_get_drvdata(dev); - unsigned int temp = get_ctl_temp(data); - - return sprintf(buf, "%u\n", temp); -} - -static ssize_t temp3_input_show(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct zenpower_data *data = dev_get_drvdata(dev); - unsigned int temp = get_ccd_temp(data, F17H_M70H_CCD1_TEMP); - - return sprintf(buf, "%u\n", temp); -} - -static ssize_t temp4_input_show(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct zenpower_data *data = dev_get_drvdata(dev); - unsigned int temp = get_ccd_temp(data, F17H_M70H_CCD2_TEMP); - - return sprintf(buf, "%u\n", temp); -} - -static ssize_t in1_input_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct zenpower_data *data = dev_get_drvdata(dev); - u32 plane, vcc; - - data->read_amdsmn_addr(data->pdev, data->svi_core_addr, &plane); - vcc = plane_to_vcc(plane); - - return sprintf(buf, "%d\n", vcc); -} - -static ssize_t in2_input_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct zenpower_data *data = dev_get_drvdata(dev); - u32 plane, vcc; - - data->read_amdsmn_addr(data->pdev, data->svi_soc_addr, &plane); - vcc = plane_to_vcc(plane); - - return sprintf(buf, "%d\n", vcc); -} - -static ssize_t curr1_input_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct zenpower_data *data = dev_get_drvdata(dev); - u32 plane; - - data->read_amdsmn_addr(data->pdev, data->svi_core_addr, &plane); - return sprintf(buf, "%d\n", get_core_current(plane, data->zen2)); -} - -static ssize_t curr2_input_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct zenpower_data *data = dev_get_drvdata(dev); - u32 plane; - - data->read_amdsmn_addr(data->pdev, data->svi_soc_addr, &plane); - return sprintf(buf, "%d\n", get_soc_current(plane, data->zen2)); -} - -static ssize_t power1_input_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct zenpower_data *data = dev_get_drvdata(dev); - u32 plane; - - data->read_amdsmn_addr(data->pdev, data->svi_core_addr, &plane); - return sprintf(buf, "%d\n", - get_core_current(plane, data->zen2) * plane_to_vcc(plane)); -} - -static ssize_t power2_input_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct zenpower_data *data = dev_get_drvdata(dev); - u32 plane; - - data->read_amdsmn_addr(data->pdev, data->svi_soc_addr, &plane); - return sprintf(buf, "%d\n", - get_soc_current(plane, data->zen2) * plane_to_vcc(plane)); -} - int static debug_addrs_arr[] = { F17H_M01H_SVI + 0x8, F17H_M01H_SVI_TEL_PLANE0, F17H_M01H_SVI_TEL_PLANE1, 0x000598BC, 0x0005994C, F17H_M70H_CCD1_TEMP, F17H_M70H_CCD2_TEMP, @@ -292,94 +178,139 @@ static ssize_t debug_data_show(struct device *dev, return len; } - -static ssize_t zen_label_show(struct device *dev, - struct device_attribute *devattr, char *buf) +static int zenpower_read(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, long *val) { - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - - switch (attr->index){ - case 1: - return sprintf(buf, "SVI2_Core\n"); - case 2: - return sprintf(buf, "SVI2_SoC\n"); - case 11: - return sprintf(buf, "SVI2_C_Core\n"); - case 12: - return sprintf(buf, "SVI2_C_SoC\n"); - case 21: - return sprintf(buf, "SVI2_P_Core\n"); - case 22: - return sprintf(buf, "SVI2_P_SoC\n"); - case 31: - return sprintf(buf, "Tdie\n"); - case 32: - return sprintf(buf, "Tctl\n"); - case 33: - return sprintf(buf, "Tccd1\n"); - case 34: - return sprintf(buf, "Tccd2\n"); + struct zenpower_data *data = dev_get_drvdata(dev); + u32 plane; + + switch (type) { + + // Temperatures + case hwmon_temp: + switch (attr) { + case hwmon_temp_input: + switch (channel) { + case 0: // Tdie + *val = get_ctl_temp(data) - data->temp_offset; + break; + case 1: // Tctl + *val = get_ctl_temp(data); + break; + case 2: // Tccd1 + *val = get_ccd_temp(data, F17H_M70H_CCD1_TEMP); + break; + case 3: // Tccd2 + *val = get_ccd_temp(data, F17H_M70H_CCD2_TEMP); + break; + default: + return -EOPNOTSUPP; + } + break; + + case hwmon_temp_max: // Tdie max + // source: https://www.amd.com/en/products/cpu/amd-ryzen-7-3700x + // other cpus have also same* Tmax on AMD website + // * = when taking into consideration a tctl offset + *val = 95 * 1000; + break; + + default: + return -EOPNOTSUPP; + } + break; + + // Voltage / Power / Current + case hwmon_in: + case hwmon_curr: + case hwmon_power: + if (attr != hwmon_in_input && attr != hwmon_curr_input && + attr != hwmon_power_input) { + return -EOPNOTSUPP; + } + + switch (channel) { + case 0: // Core SVI2 + data->read_amdsmn_addr(data->pdev, data->svi_core_addr, &plane); + break; + case 1: // SoC SVI2 + data->read_amdsmn_addr(data->pdev, data->svi_soc_addr, &plane); + break; + default: + return -EOPNOTSUPP; + } + + switch (type) { + case hwmon_in: + *val = plane_to_vcc(plane); + break; + case hwmon_curr: + *val = (channel == 0) ? + get_core_current(plane, data->zen2): + get_soc_current(plane, data->zen2); + break; + case hwmon_power: + *val = (channel == 0) ? + get_core_current(plane, data->zen2) * plane_to_vcc(plane): + get_soc_current(plane, data->zen2) * plane_to_vcc(plane); + break; + default: + break; + } + break; + + default: + return -EOPNOTSUPP; } return 0; } -static DEVICE_ATTR_RO(in1_input); -static SENSOR_DEVICE_ATTR(in1_label, 0444, zen_label_show, NULL, 1); -static DEVICE_ATTR_RO(in2_input); -static SENSOR_DEVICE_ATTR(in2_label, 0444, zen_label_show, NULL, 2); -static DEVICE_ATTR_RO(curr1_input); -static SENSOR_DEVICE_ATTR(curr1_label, 0444, zen_label_show, NULL, 11); -static DEVICE_ATTR_RO(curr2_input); -static SENSOR_DEVICE_ATTR(curr2_label, 0444, zen_label_show, NULL, 12); -static DEVICE_ATTR_RO(power1_input); -static SENSOR_DEVICE_ATTR(power1_label, 0444, zen_label_show, NULL, 21); -static DEVICE_ATTR_RO(power2_input); -static SENSOR_DEVICE_ATTR(power2_label, 0444, zen_label_show, NULL, 22); -static DEVICE_ATTR_RO(temp1_input); -static DEVICE_ATTR_RO(temp1_max); -static SENSOR_DEVICE_ATTR(temp1_label, 0444, zen_label_show, NULL, 31); -static DEVICE_ATTR_RO(temp2_input); -static SENSOR_DEVICE_ATTR(temp2_label, 0444, zen_label_show, NULL, 32); -static DEVICE_ATTR_RO(temp3_input); -static SENSOR_DEVICE_ATTR(temp3_label, 0444, zen_label_show, NULL, 33); -static DEVICE_ATTR_RO(temp4_input); -static SENSOR_DEVICE_ATTR(temp4_label, 0444, zen_label_show, NULL, 34); -static DEVICE_ATTR_RO(debug_data); +static const char *zenpower_temp_label[] = { + "Tdie", + "Tctl", + "Tccd1", + "Tccd2", +}; +static const char *zenpower_in_label[] = { + "SVI2_Core", + "SVI2_SoC", +}; -static struct attribute *zenpower_attrs[] = { - &dev_attr_in1_input.attr, - &sensor_dev_attr_in1_label.dev_attr.attr, - &dev_attr_in2_input.attr, - &sensor_dev_attr_in2_label.dev_attr.attr, - &dev_attr_curr1_input.attr, - &sensor_dev_attr_curr1_label.dev_attr.attr, - &dev_attr_curr2_input.attr, - &sensor_dev_attr_curr2_label.dev_attr.attr, - &dev_attr_power1_input.attr, - &sensor_dev_attr_power1_label.dev_attr.attr, - &dev_attr_power2_input.attr, - &sensor_dev_attr_power2_label.dev_attr.attr, - &dev_attr_temp1_input.attr, - &dev_attr_temp1_max.attr, - &sensor_dev_attr_temp1_label.dev_attr.attr, - &dev_attr_temp2_input.attr, - &sensor_dev_attr_temp2_label.dev_attr.attr, - &dev_attr_temp3_input.attr, - &sensor_dev_attr_temp3_label.dev_attr.attr, - &dev_attr_temp4_input.attr, - &sensor_dev_attr_temp4_label.dev_attr.attr, - &dev_attr_debug_data.attr, - NULL +static const char *zenpower_curr_label[] = { + "SVI2_C_Core", + "SVI2_C_SoC", }; -static const struct attribute_group zenpower_group = { - .attrs = zenpower_attrs, - .is_visible = zenpower_is_visible, +static const char *zenpower_power_label[] = { + "SVI2_P_Core", + "SVI2_P_SoC", }; -__ATTRIBUTE_GROUPS(zenpower); +static int zenpower_read_labels(struct device *dev, + enum hwmon_sensor_types type, u32 attr, + int channel, const char **str) +{ + switch (type) { + case hwmon_temp: + *str = zenpower_temp_label[channel]; + break; + case hwmon_in: + *str = zenpower_in_label[channel]; + break; + case hwmon_curr: + *str = zenpower_curr_label[channel]; + break; + case hwmon_power: + *str = zenpower_power_label[channel]; + break; + default: + return -EOPNOTSUPP; + } + + return 0; +} static void kernel_smn_read(struct pci_dev *pdev, u32 address, u32 *regval) { @@ -396,6 +327,51 @@ static void nb_index_read(struct pci_dev *pdev, u32 address, u32 *regval) mutex_unlock(&nb_smu_ind_mutex); } +static const struct hwmon_channel_info *zenpower_info[] = { + HWMON_CHANNEL_INFO(temp, + HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_LABEL, // Tdie + HWMON_T_INPUT | HWMON_T_LABEL, // Tctl + HWMON_T_INPUT | HWMON_T_LABEL, // Tccd1 + HWMON_T_INPUT | HWMON_T_LABEL), // Tccd2 + + HWMON_CHANNEL_INFO(in, + HWMON_I_INPUT | HWMON_I_LABEL, // Core Voltage (SVI2) + HWMON_I_INPUT | HWMON_I_LABEL), // SoC Voltage (SVI2) + + HWMON_CHANNEL_INFO(curr, + HWMON_C_INPUT | HWMON_C_LABEL, // Core Current (SVI2) + HWMON_C_INPUT | HWMON_C_LABEL), // SoC Current (SVI2) + + HWMON_CHANNEL_INFO(power, + HWMON_C_INPUT | HWMON_C_LABEL, // Core Power (SVI2) + HWMON_C_INPUT | HWMON_C_LABEL), // SoC Power (SVI2) + + NULL +}; + +static const struct hwmon_ops zenpower_hwmon_ops = { + .is_visible = zenpower_is_visible, + .read = zenpower_read, + .read_string = zenpower_read_labels, +}; + +static const struct hwmon_chip_info zenpower_chip_info = { + .ops = &zenpower_hwmon_ops, + .info = zenpower_info, +}; + +static DEVICE_ATTR_RO(debug_data); + +static struct attribute *zenpower_attrs[] = { + &dev_attr_debug_data.attr, + NULL +}; + +static const struct attribute_group zenpower_group = { + .attrs = zenpower_attrs +}; +__ATTRIBUTE_GROUPS(zenpower); + static int zenpower_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct device *dev = &pdev->dev; @@ -411,6 +387,7 @@ static int zenpower_probe(struct pci_dev *pdev, const struct pci_device_id *id) data->zen2 = false; data->pdev = pdev; + data->temp_offset = 0; data->read_amdsmn_addr = nb_index_read; data->kernel_smn_support = false; data->amps_visible = false; @@ -480,7 +457,10 @@ static int zenpower_probe(struct pci_dev *pdev, const struct pci_device_id *id) } } - hwmon_dev = devm_hwmon_device_register_with_groups(dev, "zenpower", data, zenpower_groups); + hwmon_dev = devm_hwmon_device_register_with_info( + dev, "zenpower", data, &zenpower_chip_info, zenpower_groups + ); + return PTR_ERR_OR_ZERO(hwmon_dev); } |