934 lines
20 KiB
C
934 lines
20 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright 2016-2019 HabanaLabs, Ltd.
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* All Rights Reserved.
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*/
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#include "habanalabs.h"
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#include <linux/pci.h>
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#include <linux/hwmon.h>
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#define HWMON_NR_SENSOR_TYPES (hwmon_max)
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#ifdef _HAS_HWMON_HWMON_T_ENABLE
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static u32 fixup_flags_legacy_fw(struct hl_device *hdev, enum hwmon_sensor_types type,
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u32 cpucp_flags)
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{
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u32 flags;
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switch (type) {
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case hwmon_temp:
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flags = (cpucp_flags << 1) | HWMON_T_ENABLE;
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break;
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case hwmon_in:
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flags = (cpucp_flags << 1) | HWMON_I_ENABLE;
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break;
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case hwmon_curr:
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flags = (cpucp_flags << 1) | HWMON_C_ENABLE;
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break;
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case hwmon_fan:
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flags = (cpucp_flags << 1) | HWMON_F_ENABLE;
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break;
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case hwmon_power:
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flags = (cpucp_flags << 1) | HWMON_P_ENABLE;
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break;
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case hwmon_pwm:
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/* enable bit was here from day 1, so no need to adjust */
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flags = cpucp_flags;
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break;
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default:
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dev_err(hdev->dev, "unsupported h/w sensor type %d\n", type);
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flags = cpucp_flags;
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break;
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}
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return flags;
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}
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static u32 fixup_attr_legacy_fw(u32 attr)
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{
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return (attr - 1);
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}
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#else
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static u32 fixup_flags_legacy_fw(struct hl_device *hdev, enum hwmon_sensor_types type,
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u32 cpucp_flags)
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{
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return cpucp_flags;
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}
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static u32 fixup_attr_legacy_fw(u32 attr)
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{
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return attr;
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}
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#endif /* !_HAS_HWMON_HWMON_T_ENABLE */
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static u32 adjust_hwmon_flags(struct hl_device *hdev, enum hwmon_sensor_types type, u32 cpucp_flags)
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{
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u32 flags, cpucp_input_val;
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bool use_cpucp_enum;
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use_cpucp_enum = (hdev->asic_prop.fw_app_cpu_boot_dev_sts0 &
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CPU_BOOT_DEV_STS0_MAP_HWMON_EN) ? true : false;
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/* If f/w is using it's own enum, we need to check if the properties values are aligned.
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* If not, it means we need to adjust the values to the new format that is used in the
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* kernel since 5.6 (enum values were incremented by 1 by adding a new enable value).
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*/
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if (use_cpucp_enum) {
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switch (type) {
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case hwmon_temp:
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cpucp_input_val = cpucp_temp_input;
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if (cpucp_input_val == hwmon_temp_input)
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flags = cpucp_flags;
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else
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flags = (cpucp_flags << 1) | HWMON_T_ENABLE;
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break;
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case hwmon_in:
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cpucp_input_val = cpucp_in_input;
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if (cpucp_input_val == hwmon_in_input)
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flags = cpucp_flags;
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else
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flags = (cpucp_flags << 1) | HWMON_I_ENABLE;
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break;
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case hwmon_curr:
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cpucp_input_val = cpucp_curr_input;
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if (cpucp_input_val == hwmon_curr_input)
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flags = cpucp_flags;
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else
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flags = (cpucp_flags << 1) | HWMON_C_ENABLE;
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break;
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case hwmon_fan:
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cpucp_input_val = cpucp_fan_input;
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if (cpucp_input_val == hwmon_fan_input)
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flags = cpucp_flags;
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else
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flags = (cpucp_flags << 1) | HWMON_F_ENABLE;
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break;
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case hwmon_pwm:
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/* enable bit was here from day 1, so no need to adjust */
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flags = cpucp_flags;
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break;
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case hwmon_power:
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cpucp_input_val = CPUCP_POWER_INPUT;
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if (cpucp_input_val == hwmon_power_input)
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flags = cpucp_flags;
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else
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flags = (cpucp_flags << 1) | HWMON_P_ENABLE;
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break;
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default:
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dev_err(hdev->dev, "unsupported h/w sensor type %d\n", type);
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flags = cpucp_flags;
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break;
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}
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} else {
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flags = fixup_flags_legacy_fw(hdev, type, cpucp_flags);
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}
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return flags;
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}
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int hl_build_hwmon_channel_info(struct hl_device *hdev, struct cpucp_sensor *sensors_arr)
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{
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u32 num_sensors_for_type, flags, num_active_sensor_types = 0, arr_size = 0, *curr_arr;
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u32 sensors_by_type_next_index[HWMON_NR_SENSOR_TYPES] = {0};
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u32 *sensors_by_type[HWMON_NR_SENSOR_TYPES] = {NULL};
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struct hwmon_channel_info **channels_info;
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u32 counts[HWMON_NR_SENSOR_TYPES] = {0};
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enum hwmon_sensor_types type;
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int rc, i, j;
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for (i = 0 ; i < CPUCP_MAX_SENSORS ; i++) {
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type = le32_to_cpu(sensors_arr[i].type);
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if ((type == 0) && (sensors_arr[i].flags == 0))
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break;
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if (type >= HWMON_NR_SENSOR_TYPES) {
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dev_err(hdev->dev, "Got wrong sensor type %d from device\n", type);
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return -EINVAL;
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}
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counts[type]++;
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arr_size++;
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}
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for (i = 0 ; i < HWMON_NR_SENSOR_TYPES ; i++) {
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if (counts[i] == 0)
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continue;
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num_sensors_for_type = counts[i] + 1;
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dev_dbg(hdev->dev, "num_sensors_for_type %d = %d\n", i, num_sensors_for_type);
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curr_arr = kcalloc(num_sensors_for_type, sizeof(*curr_arr), GFP_KERNEL);
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if (!curr_arr) {
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rc = -ENOMEM;
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goto sensors_type_err;
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}
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num_active_sensor_types++;
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sensors_by_type[i] = curr_arr;
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}
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for (i = 0 ; i < arr_size ; i++) {
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type = le32_to_cpu(sensors_arr[i].type);
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curr_arr = sensors_by_type[type];
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flags = adjust_hwmon_flags(hdev, type, le32_to_cpu(sensors_arr[i].flags));
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curr_arr[sensors_by_type_next_index[type]++] = flags;
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}
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channels_info = kcalloc(num_active_sensor_types + 1, sizeof(*channels_info), GFP_KERNEL);
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if (!channels_info) {
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rc = -ENOMEM;
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goto channels_info_array_err;
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}
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for (i = 0 ; i < num_active_sensor_types ; i++) {
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channels_info[i] = kzalloc(sizeof(*channels_info[i]), GFP_KERNEL);
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if (!channels_info[i]) {
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rc = -ENOMEM;
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goto channel_info_err;
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}
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}
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for (i = 0, j = 0 ; i < HWMON_NR_SENSOR_TYPES ; i++) {
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if (!sensors_by_type[i])
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continue;
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channels_info[j]->type = i;
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channels_info[j]->config = sensors_by_type[i];
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j++;
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}
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hdev->hl_chip_info->info = (const struct hwmon_channel_info **)channels_info;
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return 0;
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channel_info_err:
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for (i = 0 ; i < num_active_sensor_types ; i++) {
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if (channels_info[i]) {
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kfree(channels_info[i]->config);
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kfree(channels_info[i]);
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}
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}
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kfree(channels_info);
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channels_info_array_err:
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sensors_type_err:
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for (i = 0 ; i < HWMON_NR_SENSOR_TYPES ; i++)
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kfree(sensors_by_type[i]);
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return rc;
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}
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static int hl_read(struct device *dev, enum hwmon_sensor_types type,
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u32 attr, int channel, long *val)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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bool use_cpucp_enum;
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u32 cpucp_attr;
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int rc;
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if (!hl_device_operational(hdev, NULL))
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return -ENODEV;
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use_cpucp_enum = (hdev->asic_prop.fw_app_cpu_boot_dev_sts0 &
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CPU_BOOT_DEV_STS0_MAP_HWMON_EN) ? true : false;
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switch (type) {
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case hwmon_temp:
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switch (attr) {
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case hwmon_temp_input:
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cpucp_attr = cpucp_temp_input;
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break;
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case hwmon_temp_max:
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cpucp_attr = cpucp_temp_max;
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break;
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case hwmon_temp_crit:
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cpucp_attr = cpucp_temp_crit;
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break;
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case hwmon_temp_max_hyst:
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cpucp_attr = cpucp_temp_max_hyst;
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break;
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case hwmon_temp_crit_hyst:
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cpucp_attr = cpucp_temp_crit_hyst;
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break;
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case hwmon_temp_offset:
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cpucp_attr = cpucp_temp_offset;
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break;
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case hwmon_temp_highest:
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cpucp_attr = cpucp_temp_highest;
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break;
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default:
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return -EINVAL;
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}
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if (use_cpucp_enum)
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rc = hl_get_temperature(hdev, channel, cpucp_attr, val);
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else
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rc = hl_get_temperature(hdev, channel, fixup_attr_legacy_fw(attr), val);
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break;
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case hwmon_in:
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switch (attr) {
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case hwmon_in_input:
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cpucp_attr = cpucp_in_input;
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break;
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case hwmon_in_min:
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cpucp_attr = cpucp_in_min;
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break;
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case hwmon_in_max:
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cpucp_attr = cpucp_in_max;
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break;
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case hwmon_in_highest:
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cpucp_attr = cpucp_in_highest;
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break;
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default:
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return -EINVAL;
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}
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if (use_cpucp_enum)
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rc = hl_get_voltage(hdev, channel, cpucp_attr, val);
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else
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rc = hl_get_voltage(hdev, channel, fixup_attr_legacy_fw(attr), val);
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break;
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case hwmon_curr:
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switch (attr) {
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case hwmon_curr_input:
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cpucp_attr = cpucp_curr_input;
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break;
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case hwmon_curr_min:
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cpucp_attr = cpucp_curr_min;
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break;
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case hwmon_curr_max:
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cpucp_attr = cpucp_curr_max;
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break;
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case hwmon_curr_highest:
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cpucp_attr = cpucp_curr_highest;
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break;
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default:
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return -EINVAL;
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}
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if (use_cpucp_enum)
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rc = hl_get_current(hdev, channel, cpucp_attr, val);
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else
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rc = hl_get_current(hdev, channel, fixup_attr_legacy_fw(attr), val);
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break;
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case hwmon_fan:
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switch (attr) {
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case hwmon_fan_input:
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cpucp_attr = cpucp_fan_input;
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break;
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case hwmon_fan_min:
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cpucp_attr = cpucp_fan_min;
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break;
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case hwmon_fan_max:
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cpucp_attr = cpucp_fan_max;
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break;
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default:
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return -EINVAL;
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}
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if (use_cpucp_enum)
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rc = hl_get_fan_speed(hdev, channel, cpucp_attr, val);
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else
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rc = hl_get_fan_speed(hdev, channel, fixup_attr_legacy_fw(attr), val);
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break;
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case hwmon_pwm:
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switch (attr) {
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case hwmon_pwm_input:
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cpucp_attr = cpucp_pwm_input;
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break;
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case hwmon_pwm_enable:
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cpucp_attr = cpucp_pwm_enable;
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break;
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default:
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return -EINVAL;
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}
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if (use_cpucp_enum)
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rc = hl_get_pwm_info(hdev, channel, cpucp_attr, val);
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else
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/* no need for fixup as pwm was aligned from day 1 */
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rc = hl_get_pwm_info(hdev, channel, attr, val);
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break;
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case hwmon_power:
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switch (attr) {
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case hwmon_power_input:
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cpucp_attr = CPUCP_POWER_INPUT;
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break;
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case hwmon_power_input_highest:
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cpucp_attr = CPUCP_POWER_INPUT_HIGHEST;
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break;
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default:
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return -EINVAL;
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}
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if (use_cpucp_enum)
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rc = hl_get_power(hdev, channel, cpucp_attr, val);
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else
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rc = hl_get_power(hdev, channel, fixup_attr_legacy_fw(attr), val);
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break;
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default:
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return -EINVAL;
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}
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return rc;
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}
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static int hl_write(struct device *dev, enum hwmon_sensor_types type,
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u32 attr, int channel, long val)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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u32 cpucp_attr;
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bool use_cpucp_enum = (hdev->asic_prop.fw_app_cpu_boot_dev_sts0 &
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CPU_BOOT_DEV_STS0_MAP_HWMON_EN) ? true : false;
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if (!hl_device_operational(hdev, NULL))
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return -ENODEV;
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switch (type) {
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case hwmon_temp:
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switch (attr) {
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case hwmon_temp_offset:
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cpucp_attr = cpucp_temp_offset;
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break;
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case hwmon_temp_reset_history:
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cpucp_attr = cpucp_temp_reset_history;
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break;
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default:
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return -EINVAL;
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}
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if (use_cpucp_enum)
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hl_set_temperature(hdev, channel, cpucp_attr, val);
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else
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hl_set_temperature(hdev, channel, fixup_attr_legacy_fw(attr), val);
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break;
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case hwmon_pwm:
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switch (attr) {
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case hwmon_pwm_input:
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cpucp_attr = cpucp_pwm_input;
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break;
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case hwmon_pwm_enable:
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cpucp_attr = cpucp_pwm_enable;
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break;
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default:
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return -EINVAL;
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}
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if (use_cpucp_enum)
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hl_set_pwm_info(hdev, channel, cpucp_attr, val);
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else
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/* no need for fixup as pwm was aligned from day 1 */
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hl_set_pwm_info(hdev, channel, attr, val);
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break;
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case hwmon_in:
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switch (attr) {
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case hwmon_in_reset_history:
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cpucp_attr = cpucp_in_reset_history;
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break;
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default:
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return -EINVAL;
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}
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if (use_cpucp_enum)
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hl_set_voltage(hdev, channel, cpucp_attr, val);
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else
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hl_set_voltage(hdev, channel, fixup_attr_legacy_fw(attr), val);
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break;
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case hwmon_curr:
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switch (attr) {
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case hwmon_curr_reset_history:
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cpucp_attr = cpucp_curr_reset_history;
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break;
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default:
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return -EINVAL;
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}
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if (use_cpucp_enum)
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hl_set_current(hdev, channel, cpucp_attr, val);
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else
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hl_set_current(hdev, channel, fixup_attr_legacy_fw(attr), val);
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break;
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case hwmon_power:
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switch (attr) {
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case hwmon_power_reset_history:
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cpucp_attr = CPUCP_POWER_RESET_INPUT_HISTORY;
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break;
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default:
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return -EINVAL;
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}
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if (use_cpucp_enum)
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hl_set_power(hdev, channel, cpucp_attr, val);
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else
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hl_set_power(hdev, channel, fixup_attr_legacy_fw(attr), val);
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static umode_t hl_is_visible(const void *data, enum hwmon_sensor_types type,
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u32 attr, int channel)
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{
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switch (type) {
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case hwmon_temp:
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switch (attr) {
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case hwmon_temp_input:
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case hwmon_temp_max:
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case hwmon_temp_max_hyst:
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case hwmon_temp_crit:
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case hwmon_temp_crit_hyst:
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case hwmon_temp_highest:
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return 0444;
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case hwmon_temp_offset:
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return 0644;
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case hwmon_temp_reset_history:
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return 0200;
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}
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break;
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case hwmon_in:
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switch (attr) {
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case hwmon_in_input:
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case hwmon_in_min:
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case hwmon_in_max:
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case hwmon_in_highest:
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return 0444;
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case hwmon_in_reset_history:
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return 0200;
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}
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break;
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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;
|
|
}
|