diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/hwmon.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/hwmon.c | 194 |
1 files changed, 185 insertions, 9 deletions
diff --git a/drivers/misc/habanalabs/common/hwmon.c b/drivers/misc/habanalabs/common/hwmon.c index 6b421d76b311..e33f65be8a00 100644 --- a/drivers/misc/habanalabs/common/hwmon.c +++ b/drivers/misc/habanalabs/common/hwmon.c @@ -113,6 +113,9 @@ static int hl_read(struct device *dev, enum hwmon_sensor_types type, { struct hl_device *hdev = dev_get_drvdata(dev); int rc; + 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; @@ -121,65 +124,134 @@ static int hl_read(struct device *dev, enum hwmon_sensor_types 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; } - rc = hl_get_temperature(hdev, channel, attr, val); + if (use_cpucp_enum) + rc = hl_get_temperature(hdev, channel, cpucp_attr, val); + else + rc = hl_get_temperature(hdev, channel, 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; } - rc = hl_get_voltage(hdev, channel, attr, val); + if (use_cpucp_enum) + rc = hl_get_voltage(hdev, channel, cpucp_attr, val); + else + rc = hl_get_voltage(hdev, channel, 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; } - rc = hl_get_current(hdev, channel, attr, val); + if (use_cpucp_enum) + rc = hl_get_current(hdev, channel, cpucp_attr, val); + else + rc = hl_get_current(hdev, channel, 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; } - rc = hl_get_fan_speed(hdev, channel, attr, val); + + if (use_cpucp_enum) + rc = hl_get_fan_speed(hdev, channel, cpucp_attr, val); + else + rc = hl_get_fan_speed(hdev, channel, 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 + 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; } - rc = hl_get_pwm_info(hdev, channel, attr, val); + + if (use_cpucp_enum) + rc = hl_get_power(hdev, channel, cpucp_attr, val); + else + rc = hl_get_power(hdev, channel, attr, val); break; default: return -EINVAL; @@ -191,6 +263,9 @@ 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; @@ -199,40 +274,78 @@ static int hl_write(struct device *dev, enum hwmon_sensor_types 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; } - hl_set_temperature(hdev, channel, attr, val); + + if (use_cpucp_enum) + hl_set_temperature(hdev, channel, cpucp_attr, val); + else + hl_set_temperature(hdev, channel, 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; } - hl_set_pwm_info(hdev, channel, attr, val); + + if (use_cpucp_enum) + hl_set_pwm_info(hdev, channel, cpucp_attr, val); + else + 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; } - hl_set_voltage(hdev, channel, attr, val); + + if (use_cpucp_enum) + hl_set_voltage(hdev, channel, cpucp_attr, val); + else + hl_set_voltage(hdev, channel, attr, val); break; case hwmon_curr: switch (attr) { case hwmon_curr_reset_history: + cpucp_attr = cpucp_curr_reset_history; break; default: return -EINVAL; } - hl_set_current(hdev, channel, attr, val); + + if (use_cpucp_enum) + hl_set_current(hdev, channel, cpucp_attr, val); + else + hl_set_current(hdev, channel, 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, attr, val); break; default: return -EINVAL; @@ -296,6 +409,15 @@ static umode_t hl_is_visible(const void *data, enum hwmon_sensor_types type, 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; } @@ -551,6 +673,60 @@ int hl_set_current(struct hl_device *hdev, return rc; } +int hl_set_power(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_POWER_GET << + 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; |