diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/hwmon.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/hwmon.c | 934 |
1 files changed, 0 insertions, 934 deletions
diff --git a/drivers/misc/habanalabs/common/hwmon.c b/drivers/misc/habanalabs/common/hwmon.c deleted file mode 100644 index 55eb0203817f..000000000000 --- a/drivers/misc/habanalabs/common/hwmon.c +++ /dev/null @@ -1,934 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -/* - * Copyright 2016-2019 HabanaLabs, Ltd. - * All Rights Reserved. - */ - -#include "habanalabs.h" - -#include <linux/pci.h> -#include <linux/hwmon.h> - -#define HWMON_NR_SENSOR_TYPES (hwmon_max) - -#ifdef _HAS_HWMON_HWMON_T_ENABLE - -static u32 fixup_flags_legacy_fw(struct hl_device *hdev, enum hwmon_sensor_types type, - u32 cpucp_flags) -{ - u32 flags; - - switch (type) { - case hwmon_temp: - flags = (cpucp_flags << 1) | HWMON_T_ENABLE; - break; - - case hwmon_in: - flags = (cpucp_flags << 1) | HWMON_I_ENABLE; - break; - - case hwmon_curr: - flags = (cpucp_flags << 1) | HWMON_C_ENABLE; - break; - - case hwmon_fan: - flags = (cpucp_flags << 1) | HWMON_F_ENABLE; - break; - - case hwmon_power: - flags = (cpucp_flags << 1) | HWMON_P_ENABLE; - break; - - case hwmon_pwm: - /* enable bit was here from day 1, so no need to adjust */ - flags = cpucp_flags; - break; - - default: - dev_err(hdev->dev, "unsupported h/w sensor type %d\n", type); - flags = cpucp_flags; - break; - } - - return flags; -} - -static u32 fixup_attr_legacy_fw(u32 attr) -{ - return (attr - 1); -} - -#else - -static u32 fixup_flags_legacy_fw(struct hl_device *hdev, enum hwmon_sensor_types type, - u32 cpucp_flags) -{ - return cpucp_flags; -} - -static u32 fixup_attr_legacy_fw(u32 attr) -{ - return attr; -} - -#endif /* !_HAS_HWMON_HWMON_T_ENABLE */ - -static u32 adjust_hwmon_flags(struct hl_device *hdev, enum hwmon_sensor_types type, u32 cpucp_flags) -{ - u32 flags, cpucp_input_val; - bool use_cpucp_enum; - - use_cpucp_enum = (hdev->asic_prop.fw_app_cpu_boot_dev_sts0 & - CPU_BOOT_DEV_STS0_MAP_HWMON_EN) ? true : false; - - /* If f/w is using it's own enum, we need to check if the properties values are aligned. - * If not, it means we need to adjust the values to the new format that is used in the - * kernel since 5.6 (enum values were incremented by 1 by adding a new enable value). - */ - if (use_cpucp_enum) { - switch (type) { - case hwmon_temp: - cpucp_input_val = cpucp_temp_input; - if (cpucp_input_val == hwmon_temp_input) - flags = cpucp_flags; - else - flags = (cpucp_flags << 1) | HWMON_T_ENABLE; - break; - - case hwmon_in: - cpucp_input_val = cpucp_in_input; - if (cpucp_input_val == hwmon_in_input) - flags = cpucp_flags; - else - flags = (cpucp_flags << 1) | HWMON_I_ENABLE; - break; - - case hwmon_curr: - cpucp_input_val = cpucp_curr_input; - if (cpucp_input_val == hwmon_curr_input) - flags = cpucp_flags; - else - flags = (cpucp_flags << 1) | HWMON_C_ENABLE; - break; - - case hwmon_fan: - cpucp_input_val = cpucp_fan_input; - if (cpucp_input_val == hwmon_fan_input) - flags = cpucp_flags; - else - flags = (cpucp_flags << 1) | HWMON_F_ENABLE; - break; - - case hwmon_pwm: - /* enable bit was here from day 1, so no need to adjust */ - flags = cpucp_flags; - break; - - case hwmon_power: - cpucp_input_val = CPUCP_POWER_INPUT; - if (cpucp_input_val == hwmon_power_input) - flags = cpucp_flags; - else - flags = (cpucp_flags << 1) | HWMON_P_ENABLE; - break; - - default: - dev_err(hdev->dev, "unsupported h/w sensor type %d\n", type); - flags = cpucp_flags; - break; - } - } else { - flags = fixup_flags_legacy_fw(hdev, type, cpucp_flags); - } - - return flags; -} - -int hl_build_hwmon_channel_info(struct hl_device *hdev, struct cpucp_sensor *sensors_arr) -{ - u32 num_sensors_for_type, flags, num_active_sensor_types = 0, arr_size = 0, *curr_arr; - u32 sensors_by_type_next_index[HWMON_NR_SENSOR_TYPES] = {0}; - u32 *sensors_by_type[HWMON_NR_SENSOR_TYPES] = {NULL}; - struct hwmon_channel_info **channels_info; - u32 counts[HWMON_NR_SENSOR_TYPES] = {0}; - enum hwmon_sensor_types type; - int rc, i, j; - - for (i = 0 ; i < CPUCP_MAX_SENSORS ; i++) { - type = le32_to_cpu(sensors_arr[i].type); - - if ((type == 0) && (sensors_arr[i].flags == 0)) - break; - - if (type >= HWMON_NR_SENSOR_TYPES) { - dev_err(hdev->dev, "Got wrong sensor type %d from device\n", type); - return -EINVAL; - } - - counts[type]++; - arr_size++; - } - - for (i = 0 ; i < HWMON_NR_SENSOR_TYPES ; i++) { - if (counts[i] == 0) - continue; - - num_sensors_for_type = counts[i] + 1; - dev_dbg(hdev->dev, "num_sensors_for_type %d = %d\n", i, num_sensors_for_type); - - curr_arr = kcalloc(num_sensors_for_type, sizeof(*curr_arr), GFP_KERNEL); - if (!curr_arr) { - rc = -ENOMEM; - goto sensors_type_err; - } - - num_active_sensor_types++; - sensors_by_type[i] = curr_arr; - } - - for (i = 0 ; i < arr_size ; i++) { - type = le32_to_cpu(sensors_arr[i].type); - curr_arr = sensors_by_type[type]; - flags = adjust_hwmon_flags(hdev, type, le32_to_cpu(sensors_arr[i].flags)); - curr_arr[sensors_by_type_next_index[type]++] = flags; - } - - channels_info = kcalloc(num_active_sensor_types + 1, sizeof(struct hwmon_channel_info *), - GFP_KERNEL); - if (!channels_info) { - rc = -ENOMEM; - goto channels_info_array_err; - } - - for (i = 0 ; i < num_active_sensor_types ; i++) { - channels_info[i] = kzalloc(sizeof(*channels_info[i]), GFP_KERNEL); - if (!channels_info[i]) { - rc = -ENOMEM; - goto channel_info_err; - } - } - - for (i = 0, j = 0 ; i < HWMON_NR_SENSOR_TYPES ; i++) { - if (!sensors_by_type[i]) - continue; - - channels_info[j]->type = i; - channels_info[j]->config = sensors_by_type[i]; - j++; - } - - hdev->hl_chip_info->info = (const struct hwmon_channel_info **)channels_info; - - return 0; - -channel_info_err: - for (i = 0 ; i < num_active_sensor_types ; i++) { - if (channels_info[i]) { - kfree(channels_info[i]->config); - kfree(channels_info[i]); - } - } - kfree(channels_info); - -channels_info_array_err: -sensors_type_err: - for (i = 0 ; i < HWMON_NR_SENSOR_TYPES ; i++) - kfree(sensors_by_type[i]); - - return rc; -} - -static int hl_read(struct device *dev, enum hwmon_sensor_types type, - u32 attr, int channel, long *val) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - bool use_cpucp_enum; - u32 cpucp_attr; - int rc; - - if (!hl_device_operational(hdev, NULL)) - return -ENODEV; - - use_cpucp_enum = (hdev->asic_prop.fw_app_cpu_boot_dev_sts0 & - CPU_BOOT_DEV_STS0_MAP_HWMON_EN) ? true : false; - - switch (type) { - case hwmon_temp: - switch (attr) { - case hwmon_temp_input: - cpucp_attr = cpucp_temp_input; - break; - case hwmon_temp_max: - cpucp_attr = cpucp_temp_max; - break; - case hwmon_temp_crit: - cpucp_attr = cpucp_temp_crit; - break; - case hwmon_temp_max_hyst: - cpucp_attr = cpucp_temp_max_hyst; - break; - case hwmon_temp_crit_hyst: - cpucp_attr = cpucp_temp_crit_hyst; - break; - case hwmon_temp_offset: - cpucp_attr = cpucp_temp_offset; - break; - case hwmon_temp_highest: - cpucp_attr = cpucp_temp_highest; - break; - default: - return -EINVAL; - } - - if (use_cpucp_enum) - rc = hl_get_temperature(hdev, channel, cpucp_attr, val); - else - rc = hl_get_temperature(hdev, channel, fixup_attr_legacy_fw(attr), val); - break; - case hwmon_in: - switch (attr) { - case hwmon_in_input: - cpucp_attr = cpucp_in_input; - break; - case hwmon_in_min: - cpucp_attr = cpucp_in_min; - break; - case hwmon_in_max: - cpucp_attr = cpucp_in_max; - break; - case hwmon_in_highest: - cpucp_attr = cpucp_in_highest; - break; - default: - return -EINVAL; - } - - if (use_cpucp_enum) - rc = hl_get_voltage(hdev, channel, cpucp_attr, val); - else - rc = hl_get_voltage(hdev, channel, fixup_attr_legacy_fw(attr), val); - break; - case hwmon_curr: - switch (attr) { - case hwmon_curr_input: - cpucp_attr = cpucp_curr_input; - break; - case hwmon_curr_min: - cpucp_attr = cpucp_curr_min; - break; - case hwmon_curr_max: - cpucp_attr = cpucp_curr_max; - break; - case hwmon_curr_highest: - cpucp_attr = cpucp_curr_highest; - break; - default: - return -EINVAL; - } - - if (use_cpucp_enum) - rc = hl_get_current(hdev, channel, cpucp_attr, val); - else - rc = hl_get_current(hdev, channel, fixup_attr_legacy_fw(attr), val); - break; - case hwmon_fan: - switch (attr) { - case hwmon_fan_input: - cpucp_attr = cpucp_fan_input; - break; - case hwmon_fan_min: - cpucp_attr = cpucp_fan_min; - break; - case hwmon_fan_max: - cpucp_attr = cpucp_fan_max; - break; - default: - return -EINVAL; - } - - if (use_cpucp_enum) - rc = hl_get_fan_speed(hdev, channel, cpucp_attr, val); - else - rc = hl_get_fan_speed(hdev, channel, fixup_attr_legacy_fw(attr), val); - break; - case hwmon_pwm: - switch (attr) { - case hwmon_pwm_input: - cpucp_attr = cpucp_pwm_input; - break; - case hwmon_pwm_enable: - cpucp_attr = cpucp_pwm_enable; - break; - default: - return -EINVAL; - } - - if (use_cpucp_enum) - rc = hl_get_pwm_info(hdev, channel, cpucp_attr, val); - else - /* no need for fixup as pwm was aligned from day 1 */ - rc = hl_get_pwm_info(hdev, channel, attr, val); - break; - case hwmon_power: - switch (attr) { - case hwmon_power_input: - cpucp_attr = CPUCP_POWER_INPUT; - break; - case hwmon_power_input_highest: - cpucp_attr = CPUCP_POWER_INPUT_HIGHEST; - break; - default: - return -EINVAL; - } - - if (use_cpucp_enum) - rc = hl_get_power(hdev, channel, cpucp_attr, val); - else - rc = hl_get_power(hdev, channel, fixup_attr_legacy_fw(attr), val); - break; - default: - return -EINVAL; - } - return rc; -} - -static int hl_write(struct device *dev, enum hwmon_sensor_types type, - u32 attr, int channel, long val) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - u32 cpucp_attr; - bool use_cpucp_enum = (hdev->asic_prop.fw_app_cpu_boot_dev_sts0 & - CPU_BOOT_DEV_STS0_MAP_HWMON_EN) ? true : false; - - if (!hl_device_operational(hdev, NULL)) - return -ENODEV; - - switch (type) { - case hwmon_temp: - switch (attr) { - case hwmon_temp_offset: - cpucp_attr = cpucp_temp_offset; - break; - case hwmon_temp_reset_history: - cpucp_attr = cpucp_temp_reset_history; - break; - default: - return -EINVAL; - } - - if (use_cpucp_enum) - hl_set_temperature(hdev, channel, cpucp_attr, val); - else - hl_set_temperature(hdev, channel, fixup_attr_legacy_fw(attr), val); - break; - case hwmon_pwm: - switch (attr) { - case hwmon_pwm_input: - cpucp_attr = cpucp_pwm_input; - break; - case hwmon_pwm_enable: - cpucp_attr = cpucp_pwm_enable; - break; - default: - return -EINVAL; - } - - if (use_cpucp_enum) - hl_set_pwm_info(hdev, channel, cpucp_attr, val); - else - /* no need for fixup as pwm was aligned from day 1 */ - hl_set_pwm_info(hdev, channel, attr, val); - break; - case hwmon_in: - switch (attr) { - case hwmon_in_reset_history: - cpucp_attr = cpucp_in_reset_history; - break; - default: - return -EINVAL; - } - - if (use_cpucp_enum) - hl_set_voltage(hdev, channel, cpucp_attr, val); - else - hl_set_voltage(hdev, channel, fixup_attr_legacy_fw(attr), val); - break; - case hwmon_curr: - switch (attr) { - case hwmon_curr_reset_history: - cpucp_attr = cpucp_curr_reset_history; - break; - default: - return -EINVAL; - } - - if (use_cpucp_enum) - hl_set_current(hdev, channel, cpucp_attr, val); - else - hl_set_current(hdev, channel, fixup_attr_legacy_fw(attr), val); - break; - case hwmon_power: - switch (attr) { - case hwmon_power_reset_history: - cpucp_attr = CPUCP_POWER_RESET_INPUT_HISTORY; - break; - default: - return -EINVAL; - } - - if (use_cpucp_enum) - hl_set_power(hdev, channel, cpucp_attr, val); - else - hl_set_power(hdev, channel, fixup_attr_legacy_fw(attr), val); - break; - default: - return -EINVAL; - } - return 0; -} - -static umode_t hl_is_visible(const void *data, enum hwmon_sensor_types type, - u32 attr, int channel) -{ - switch (type) { - case hwmon_temp: - switch (attr) { - case hwmon_temp_input: - case hwmon_temp_max: - case hwmon_temp_max_hyst: - case hwmon_temp_crit: - case hwmon_temp_crit_hyst: - case hwmon_temp_highest: - return 0444; - case hwmon_temp_offset: - return 0644; - case hwmon_temp_reset_history: - return 0200; - } - break; - case hwmon_in: - switch (attr) { - case hwmon_in_input: - case hwmon_in_min: - case hwmon_in_max: - case hwmon_in_highest: - return 0444; - case hwmon_in_reset_history: - return 0200; - } - break; - case hwmon_curr: - switch (attr) { - case hwmon_curr_input: - case hwmon_curr_min: - case hwmon_curr_max: - case hwmon_curr_highest: - return 0444; - case hwmon_curr_reset_history: - return 0200; - } - break; - case hwmon_fan: - switch (attr) { - case hwmon_fan_input: - case hwmon_fan_min: - case hwmon_fan_max: - return 0444; - } - break; - case hwmon_pwm: - switch (attr) { - case hwmon_pwm_input: - case hwmon_pwm_enable: - return 0644; - } - break; - case hwmon_power: - switch (attr) { - case hwmon_power_input: - case hwmon_power_input_highest: - return 0444; - case hwmon_power_reset_history: - return 0200; - } - break; - default: - break; - } - return 0; -} - -static const struct hwmon_ops hl_hwmon_ops = { - .is_visible = hl_is_visible, - .read = hl_read, - .write = hl_write -}; - -int hl_get_temperature(struct hl_device *hdev, - int sensor_index, u32 attr, long *value) -{ - struct cpucp_packet pkt; - u64 result; - int rc; - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_TEMPERATURE_GET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.sensor_index = __cpu_to_le16(sensor_index); - pkt.type = __cpu_to_le16(attr); - - dev_dbg(hdev->dev, "get temp, ctl 0x%x, sensor %d, type %d\n", - pkt.ctl, pkt.sensor_index, pkt.type); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, &result); - - *value = (long) result; - - if (rc) { - dev_err(hdev->dev, - "Failed to get temperature from sensor %d, error %d\n", - sensor_index, rc); - *value = 0; - } - - return rc; -} - -int hl_set_temperature(struct hl_device *hdev, - int sensor_index, u32 attr, long value) -{ - struct cpucp_packet pkt; - int rc; - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_TEMPERATURE_SET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.sensor_index = __cpu_to_le16(sensor_index); - pkt.type = __cpu_to_le16(attr); - pkt.value = __cpu_to_le64(value); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, NULL); - - if (rc) - dev_err(hdev->dev, - "Failed to set temperature of sensor %d, error %d\n", - sensor_index, rc); - - return rc; -} - -int hl_get_voltage(struct hl_device *hdev, - int sensor_index, u32 attr, long *value) -{ - struct cpucp_packet pkt; - u64 result; - int rc; - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_VOLTAGE_GET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.sensor_index = __cpu_to_le16(sensor_index); - pkt.type = __cpu_to_le16(attr); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, &result); - - *value = (long) result; - - if (rc) { - dev_err(hdev->dev, - "Failed to get voltage from sensor %d, error %d\n", - sensor_index, rc); - *value = 0; - } - - return rc; -} - -int hl_get_current(struct hl_device *hdev, - int sensor_index, u32 attr, long *value) -{ - struct cpucp_packet pkt; - u64 result; - int rc; - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_CURRENT_GET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.sensor_index = __cpu_to_le16(sensor_index); - pkt.type = __cpu_to_le16(attr); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, &result); - - *value = (long) result; - - if (rc) { - dev_err(hdev->dev, - "Failed to get current from sensor %d, error %d\n", - sensor_index, rc); - *value = 0; - } - - return rc; -} - -int hl_get_fan_speed(struct hl_device *hdev, - int sensor_index, u32 attr, long *value) -{ - struct cpucp_packet pkt; - u64 result; - int rc; - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_FAN_SPEED_GET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.sensor_index = __cpu_to_le16(sensor_index); - pkt.type = __cpu_to_le16(attr); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, &result); - - *value = (long) result; - - if (rc) { - dev_err(hdev->dev, - "Failed to get fan speed from sensor %d, error %d\n", - sensor_index, rc); - *value = 0; - } - - return rc; -} - -int hl_get_pwm_info(struct hl_device *hdev, - int sensor_index, u32 attr, long *value) -{ - struct cpucp_packet pkt; - u64 result; - int rc; - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_PWM_GET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.sensor_index = __cpu_to_le16(sensor_index); - pkt.type = __cpu_to_le16(attr); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, &result); - - *value = (long) result; - - if (rc) { - dev_err(hdev->dev, - "Failed to get pwm info from sensor %d, error %d\n", - sensor_index, rc); - *value = 0; - } - - return rc; -} - -void hl_set_pwm_info(struct hl_device *hdev, int sensor_index, u32 attr, - long value) -{ - struct cpucp_packet pkt; - int rc; - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_PWM_SET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.sensor_index = __cpu_to_le16(sensor_index); - pkt.type = __cpu_to_le16(attr); - pkt.value = cpu_to_le64(value); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, NULL); - - if (rc) - dev_err(hdev->dev, - "Failed to set pwm info to sensor %d, error %d\n", - sensor_index, rc); -} - -int hl_set_voltage(struct hl_device *hdev, - int sensor_index, u32 attr, long value) -{ - struct cpucp_packet pkt; - int rc; - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_VOLTAGE_SET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.sensor_index = __cpu_to_le16(sensor_index); - pkt.type = __cpu_to_le16(attr); - pkt.value = __cpu_to_le64(value); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, NULL); - - if (rc) - dev_err(hdev->dev, - "Failed to set voltage of sensor %d, error %d\n", - sensor_index, rc); - - return rc; -} - -int hl_set_current(struct hl_device *hdev, - int sensor_index, u32 attr, long value) -{ - struct cpucp_packet pkt; - int rc; - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_CURRENT_SET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.sensor_index = __cpu_to_le16(sensor_index); - pkt.type = __cpu_to_le16(attr); - pkt.value = __cpu_to_le64(value); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, NULL); - - if (rc) - dev_err(hdev->dev, - "Failed to set current of sensor %d, error %d\n", - sensor_index, rc); - - return rc; -} - -int hl_set_power(struct hl_device *hdev, - int sensor_index, u32 attr, long value) -{ - struct cpucp_packet pkt; - struct asic_fixed_properties *prop = &hdev->asic_prop; - int rc; - - memset(&pkt, 0, sizeof(pkt)); - - if (prop->use_get_power_for_reset_history) - pkt.ctl = cpu_to_le32(CPUCP_PACKET_POWER_GET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - else - pkt.ctl = cpu_to_le32(CPUCP_PACKET_POWER_SET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - - pkt.sensor_index = __cpu_to_le16(sensor_index); - pkt.type = __cpu_to_le16(attr); - pkt.value = __cpu_to_le64(value); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, NULL); - - if (rc) - dev_err(hdev->dev, - "Failed to set power of sensor %d, error %d\n", - sensor_index, rc); - - return rc; -} - -int hl_get_power(struct hl_device *hdev, - int sensor_index, u32 attr, long *value) -{ - struct cpucp_packet pkt; - u64 result; - int rc; - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_POWER_GET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.sensor_index = __cpu_to_le16(sensor_index); - pkt.type = __cpu_to_le16(attr); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, &result); - - *value = (long) result; - - if (rc) { - dev_err(hdev->dev, - "Failed to get power of sensor %d, error %d\n", - sensor_index, rc); - *value = 0; - } - - return rc; -} - -int hl_hwmon_init(struct hl_device *hdev) -{ - struct device *dev = hdev->pdev ? &hdev->pdev->dev : hdev->dev; - struct asic_fixed_properties *prop = &hdev->asic_prop; - int rc; - - if ((hdev->hwmon_initialized) || !(hdev->cpu_queues_enable)) - return 0; - - if (hdev->hl_chip_info->info) { - hdev->hl_chip_info->ops = &hl_hwmon_ops; - - hdev->hwmon_dev = hwmon_device_register_with_info(dev, - prop->cpucp_info.card_name, hdev, - hdev->hl_chip_info, NULL); - if (IS_ERR(hdev->hwmon_dev)) { - rc = PTR_ERR(hdev->hwmon_dev); - dev_err(hdev->dev, - "Unable to register hwmon device: %d\n", rc); - return rc; - } - - dev_info(hdev->dev, "%s: add sensors information\n", - dev_name(hdev->hwmon_dev)); - - hdev->hwmon_initialized = true; - } else { - dev_info(hdev->dev, "no available sensors\n"); - } - - return 0; -} - -void hl_hwmon_fini(struct hl_device *hdev) -{ - if (!hdev->hwmon_initialized) - return; - - hwmon_device_unregister(hdev->hwmon_dev); -} - -void hl_hwmon_release_resources(struct hl_device *hdev) -{ - const struct hwmon_channel_info **channel_info_arr; - int i = 0; - - if (!hdev->hl_chip_info->info) - return; - - channel_info_arr = hdev->hl_chip_info->info; - - while (channel_info_arr[i]) { - kfree(channel_info_arr[i]->config); - kfree(channel_info_arr[i]); - i++; - } - - kfree(channel_info_arr); - - hdev->hl_chip_info->info = NULL; -} |