diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/Kconfig | 15 | ||||
| -rw-r--r-- | drivers/hwmon/Makefile | 1 | ||||
| -rw-r--r-- | drivers/hwmon/ab8500.c | 5 | ||||
| -rw-r--r-- | drivers/hwmon/ads1015.c | 21 | ||||
| -rw-r--r-- | drivers/hwmon/da9052-hwmon.c | 54 | ||||
| -rw-r--r-- | drivers/hwmon/da9055-hwmon.c | 52 | ||||
| -rw-r--r-- | drivers/hwmon/k10temp.c | 157 | ||||
| -rw-r--r-- | drivers/hwmon/menf21bmc_hwmon.c | 230 | ||||
| -rw-r--r-- | drivers/hwmon/ntc_thermistor.c | 25 | ||||
| -rw-r--r-- | drivers/hwmon/smsc47b397.c | 51 |
10 files changed, 384 insertions, 227 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index f00d048aa583..5286d7ce1f9e 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -280,8 +280,8 @@ config SENSORS_K10TEMP If you say yes here you get support for the temperature sensor(s) inside your CPU. Supported are later revisions of the AMD Family 10h and all revisions of the AMD Family 11h, - 12h (Llano), 14h (Brazos), 15h (Bulldozer/Trinity/Kaveri) and - 16h (Kabini/Mullins) microarchitectures. + 12h (Llano), 14h (Brazos), 15h (Bulldozer/Trinity/Kaveri/Carrizo) + and 16h (Kabini/Mullins) microarchitectures. This driver can also be built as a module. If so, the module will be called k10temp. @@ -839,6 +839,16 @@ config SENSORS_MCP3021 This driver can also be built as a module. If so, the module will be called mcp3021. +config SENSORS_MENF21BMC_HWMON + tristate "MEN 14F021P00 BMC Hardware Monitoring" + depends on MFD_MENF21BMC + help + Say Y here to include support for the MEN 14F021P00 BMC + hardware monitoring. + + This driver can also be built as a module. If so the module + will be called menf21bmc_hwmon. + config SENSORS_ADCXX tristate "National Semiconductor ADCxxxSxxx" depends on SPI_MASTER @@ -1077,6 +1087,7 @@ config SENSORS_PC87427 config SENSORS_NTC_THERMISTOR tristate "NTC thermistor support from Murata" depends on !OF || IIO=n || IIO + depends on THERMAL || !THERMAL_OF help This driver supports NTC thermistors sensor reading and its interpretation. The driver can also monitor the temperature and diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index be28152c9848..c90a7611efaa 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -115,6 +115,7 @@ obj-$(CONFIG_SENSORS_MAX6650) += max6650.o obj-$(CONFIG_SENSORS_MAX6697) += max6697.o obj-$(CONFIG_SENSORS_MC13783_ADC)+= mc13783-adc.o obj-$(CONFIG_SENSORS_MCP3021) += mcp3021.o +obj-$(CONFIG_SENSORS_MENF21BMC_HWMON) += menf21bmc_hwmon.o obj-$(CONFIG_SENSORS_NCT6683) += nct6683.o obj-$(CONFIG_SENSORS_NCT6775) += nct6775.o obj-$(CONFIG_SENSORS_NTC_THERMISTOR) += ntc_thermistor.o diff --git a/drivers/hwmon/ab8500.c b/drivers/hwmon/ab8500.c index d844dc806853..8b6a4f4c8774 100644 --- a/drivers/hwmon/ab8500.c +++ b/drivers/hwmon/ab8500.c @@ -6,7 +6,7 @@ * * When the AB8500 thermal warning temperature is reached (threshold cannot * be changed by SW), an interrupt is set, and if no further action is taken - * within a certain time frame, pm_power off will be called. + * within a certain time frame, kernel_power_off will be called. * * When AB8500 thermal shutdown temperature is reached a hardware shutdown of * the AB8500 will occur. @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/power/ab8500.h> +#include <linux/reboot.h> #include <linux/slab.h> #include <linux/sysfs.h> #include "abx500.h" @@ -106,7 +107,7 @@ static void ab8500_thermal_power_off(struct work_struct *work) dev_warn(&abx500_data->pdev->dev, "Power off due to critical temp\n"); - pm_power_off(); + kernel_power_off(); } static ssize_t ab8500_show_name(struct device *dev, diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c index 126516414c11..f155b8380481 100644 --- a/drivers/hwmon/ads1015.c +++ b/drivers/hwmon/ads1015.c @@ -184,20 +184,18 @@ static int ads1015_get_channels_config_of(struct i2c_client *client) return -EINVAL; for_each_child_of_node(client->dev.of_node, node) { - const __be32 *property; - int len; + u32 pval; unsigned int channel; unsigned int pga = ADS1015_DEFAULT_PGA; unsigned int data_rate = ADS1015_DEFAULT_DATA_RATE; - property = of_get_property(node, "reg", &len); - if (!property || len != sizeof(int)) { + if (of_property_read_u32(node, "reg", &pval)) { dev_err(&client->dev, "invalid reg on %s\n", node->full_name); continue; } - channel = be32_to_cpup(property); + channel = pval; if (channel >= ADS1015_CHANNELS) { dev_err(&client->dev, "invalid channel index %d on %s\n", @@ -205,20 +203,17 @@ static int ads1015_get_channels_config_of(struct i2c_client *client) continue; } - property = of_get_property(node, "ti,gain", &len); - if (property && len == sizeof(int)) { - pga = be32_to_cpup(property); + if (!of_property_read_u32(node, "ti,gain", &pval)) { + pga = pval; if (pga > 6) { - dev_err(&client->dev, - "invalid gain on %s\n", + dev_err(&client->dev, "invalid gain on %s\n", node->full_name); return -EINVAL; } } - property = of_get_property(node, "ti,datarate", &len); - if (property && len == sizeof(int)) { - data_rate = be32_to_cpup(property); + if (!of_property_read_u32(node, "ti,datarate", &pval)) { + data_rate = pval; if (data_rate > 7) { dev_err(&client->dev, "invalid data_rate on %s\n", diff --git a/drivers/hwmon/da9052-hwmon.c b/drivers/hwmon/da9052-hwmon.c index d14ab3c45daa..692b3f34d88c 100644 --- a/drivers/hwmon/da9052-hwmon.c +++ b/drivers/hwmon/da9052-hwmon.c @@ -26,7 +26,6 @@ struct da9052_hwmon { struct da9052 *da9052; - struct device *class_device; struct mutex hwmon_lock; }; @@ -190,13 +189,6 @@ static ssize_t da9052_read_vbbat(struct device *dev, return sprintf(buf, "%d\n", vbbat_reg_to_mv(ret)); } -static ssize_t da9052_hwmon_show_name(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - return sprintf(buf, "da9052\n"); -} - static ssize_t show_label(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -243,10 +235,7 @@ static SENSOR_DEVICE_ATTR(temp8_input, S_IRUGO, da9052_read_tjunc, NULL, static SENSOR_DEVICE_ATTR(temp8_label, S_IRUGO, show_label, NULL, DA9052_ADC_TJUNC); -static DEVICE_ATTR(name, S_IRUGO, da9052_hwmon_show_name, NULL); - -static struct attribute *da9052_attr[] = { - &dev_attr_name.attr, +static struct attribute *da9052_attrs[] = { &sensor_dev_attr_in0_input.dev_attr.attr, &sensor_dev_attr_in0_label.dev_attr.attr, &sensor_dev_attr_in3_input.dev_attr.attr, @@ -268,54 +257,29 @@ static struct attribute *da9052_attr[] = { NULL }; -static const struct attribute_group da9052_attr_group = {.attrs = da9052_attr}; +ATTRIBUTE_GROUPS(da9052); static int da9052_hwmon_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct da9052_hwmon *hwmon; - int ret; + struct device *hwmon_dev; - hwmon = devm_kzalloc(&pdev->dev, sizeof(struct da9052_hwmon), - GFP_KERNEL); + hwmon = devm_kzalloc(dev, sizeof(struct da9052_hwmon), GFP_KERNEL); if (!hwmon) return -ENOMEM; mutex_init(&hwmon->hwmon_lock); hwmon->da9052 = dev_get_drvdata(pdev->dev.parent); - platform_set_drvdata(pdev, hwmon); - - ret = sysfs_create_group(&pdev->dev.kobj, &da9052_attr_group); - if (ret) - goto err_mem; - - hwmon->class_device = hwmon_device_register(&pdev->dev); - if (IS_ERR(hwmon->class_device)) { - ret = PTR_ERR(hwmon->class_device); - goto err_sysfs; - } - - return 0; - -err_sysfs: - sysfs_remove_group(&pdev->dev.kobj, &da9052_attr_group); -err_mem: - return ret; -} - -static int da9052_hwmon_remove(struct platform_device *pdev) -{ - struct da9052_hwmon *hwmon = platform_get_drvdata(pdev); - - hwmon_device_unregister(hwmon->class_device); - sysfs_remove_group(&pdev->dev.kobj, &da9052_attr_group); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, "da9052", + hwmon, + da9052_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static struct platform_driver da9052_hwmon_driver = { .probe = da9052_hwmon_probe, - .remove = da9052_hwmon_remove, .driver = { .name = "da9052-hwmon", .owner = THIS_MODULE, diff --git a/drivers/hwmon/da9055-hwmon.c b/drivers/hwmon/da9055-hwmon.c index 35eb7738d711..9916a3fb4bb9 100644 --- a/drivers/hwmon/da9055-hwmon.c +++ b/drivers/hwmon/da9055-hwmon.c @@ -36,7 +36,6 @@ struct da9055_hwmon { struct da9055 *da9055; - struct device *class_device; struct mutex hwmon_lock; struct mutex irq_lock; struct completion done; @@ -200,13 +199,6 @@ static ssize_t da9055_read_tjunc(struct device *dev, + 3076332, 10000)); } -static ssize_t da9055_hwmon_show_name(struct device *dev, - struct device_attribute *devattr, - char *buf) -{ - return sprintf(buf, "da9055\n"); -} - static ssize_t show_label(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -236,10 +228,7 @@ static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, da9055_read_tjunc, NULL, static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_label, NULL, DA9055_ADC_TJUNC); -static DEVICE_ATTR(name, S_IRUGO, da9055_hwmon_show_name, NULL); - -static struct attribute *da9055_attr[] = { - &dev_attr_name.attr, +static struct attribute *da9055_attrs[] = { &sensor_dev_attr_in0_input.dev_attr.attr, &sensor_dev_attr_in0_label.dev_attr.attr, &sensor_dev_attr_in1_input.dev_attr.attr, @@ -254,15 +243,16 @@ static struct attribute *da9055_attr[] = { NULL }; -static const struct attribute_group da9055_attr_group = {.attrs = da9055_attr}; +ATTRIBUTE_GROUPS(da9055); static int da9055_hwmon_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct da9055_hwmon *hwmon; + struct device *hwmon_dev; int hwmon_irq, ret; - hwmon = devm_kzalloc(&pdev->dev, sizeof(struct da9055_hwmon), - GFP_KERNEL); + hwmon = devm_kzalloc(dev, sizeof(struct da9055_hwmon), GFP_KERNEL); if (!hwmon) return -ENOMEM; @@ -272,8 +262,6 @@ static int da9055_hwmon_probe(struct platform_device *pdev) init_completion(&hwmon->done); hwmon->da9055 = dev_get_drvdata(pdev->dev.parent); - platform_set_drvdata(pdev, hwmon); - hwmon_irq = platform_get_irq_byname(pdev, "HWMON"); if (hwmon_irq < 0) return hwmon_irq; @@ -288,36 +276,14 @@ static int da9055_hwmon_probe(struct platform_device *pdev) return ret; } - ret = sysfs_create_group(&pdev->dev.kobj, &da9055_attr_group); - if (ret) - return ret; - - hwmon->class_device = hwmon_device_register(&pdev->dev); - if (IS_ERR(hwmon->class_device)) { - ret = PTR_ERR(hwmon->class_device); - goto err; - } - - return 0; - -err: - sysfs_remove_group(&pdev->dev.kobj, &da9055_attr_group); - return ret; -} - -static int da9055_hwmon_remove(struct platform_device *pdev) -{ - struct da9055_hwmon *hwmon = platform_get_drvdata(pdev); - - sysfs_remove_group(&pdev->dev.kobj, &da9055_attr_group); - hwmon_device_unregister(hwmon->class_device); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, "da9055", + hwmon, + da9055_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static struct platform_driver da9055_hwmon_driver = { .probe = da9055_hwmon_probe, - .remove = da9055_hwmon_remove, .driver = { .name = "da9055-hwmon", .owner = THIS_MODULE, diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c index f7b46f68ef43..1e7bdcdcb295 100644 --- a/drivers/hwmon/k10temp.c +++ b/drivers/hwmon/k10temp.c @@ -33,6 +33,9 @@ static bool force; module_param(force, bool, 0444); MODULE_PARM_DESC(force, "force loading on processors with erratum 319"); +/* Provide lock for writing to NB_SMU_IND_ADDR */ +static DEFINE_MUTEX(nb_smu_ind_mutex); + /* CPUID function 0x80000001, ebx */ #define CPUID_PKGTYPE_MASK 0xf0000000 #define CPUID_PKGTYPE_F 0x00000000 @@ -51,13 +54,38 @@ MODULE_PARM_DESC(force, "force loading on processors with erratum 319"); #define REG_NORTHBRIDGE_CAPABILITIES 0xe8 #define NB_CAP_HTC 0x00000400 +/* + * For F15h M60h, functionality of REG_REPORTED_TEMPERATURE + * has been moved to D0F0xBC_xD820_0CA4 [Reported Temperature + * Control] + */ +#define F15H_M60H_REPORTED_TEMP_CTRL_OFFSET 0xd8200ca4 +#define PCI_DEVICE_ID_AMD_15H_M60H_NB_F3 0x1573 + +static void amd_nb_smu_index_read(struct pci_dev *pdev, unsigned int devfn, + int offset, u32 *val) +{ + mutex_lock(&nb_smu_ind_mutex); + pci_bus_write_config_dword(pdev->bus, devfn, + 0xb8, offset); + pci_bus_read_config_dword(pdev->bus, devfn, + 0xbc, val); + mutex_unlock(&nb_smu_ind_mutex); +} + static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf) { u32 regval; - - pci_read_config_dword(to_pci_dev(dev), - REG_REPORTED_TEMPERATURE, ®val); + struct pci_dev *pdev = dev_get_drvdata(dev); + + if (boot_cpu_data.x86 == 0x15 && boot_cpu_data.x86_model == 0x60) { + amd_nb_smu_index_read(pdev, PCI_DEVFN(0, 0), + F15H_M60H_REPORTED_TEMP_CTRL_OFFSET, + ®val); + } else { + pci_read_config_dword(pdev, REG_REPORTED_TEMPERATURE, ®val); + } return sprintf(buf, "%u\n", (regval >> 21) * 125); } @@ -75,7 +103,7 @@ static ssize_t show_temp_crit(struct device *dev, u32 regval; int value; - pci_read_config_dword(to_pci_dev(dev), + pci_read_config_dword(dev_get_drvdata(dev), REG_HARDWARE_THERMAL_CONTROL, ®val); value = ((regval >> 16) & 0x7f) * 500 + 52000; if (show_hyst) @@ -83,17 +111,43 @@ static ssize_t show_temp_crit(struct device *dev, return sprintf(buf, "%d\n", value); } -static ssize_t show_name(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "k10temp\n"); -} - static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL); static DEVICE_ATTR(temp1_max, S_IRUGO, show_temp_max, NULL); static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit, NULL, 0); static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, show_temp_crit, NULL, 1); -static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); + +static umode_t k10temp_is_visible(struct kobject *kobj, + struct attribute *attr, int index) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct pci_dev *pdev = dev_get_drvdata(dev); + + if (index >= 2) { + u32 reg_caps, reg_htc; + + pci_read_config_dword(pdev, REG_NORTHBRIDGE_CAPABILITIES, + ®_caps); + pci_read_config_dword(pdev, REG_HARDWARE_THERMAL_CONTROL, + ®_htc); + if (!(reg_caps & NB_CAP_HTC) || !(reg_htc & HTC_ENABLE)) + return 0; + } + return attr->mode; +} + +static struct attribute *k10temp_attrs[] = { + &dev_attr_temp1_input.attr, + &dev_attr_temp1_max.attr, + &sensor_dev_attr_temp1_crit.dev_attr.attr, + &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, + NULL +}; + +static const struct attribute_group k10temp_group = { + .attrs = k10temp_attrs, + .is_visible = k10temp_is_visible, +}; +__ATTRIBUTE_GROUPS(k10temp); static bool has_erratum_319(struct pci_dev *pdev) { @@ -132,76 +186,23 @@ static bool has_erratum_319(struct pci_dev *pdev) static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id) { - struct device *hwmon_dev; - u32 reg_caps, reg_htc; int unreliable = has_erratum_319(pdev); - int err; - - if (unreliable && !force) { - dev_err(&pdev->dev, - "unreliable CPU thermal sensor; monitoring disabled\n"); - err = -ENODEV; - goto exit; - } - - err = device_create_file(&pdev->dev, &dev_attr_temp1_input); - if (err) - goto exit; - err = device_create_file(&pdev->dev, &dev_attr_temp1_max); - if (err) - goto exit_remove; - - pci_read_config_dword(pdev, REG_NORTHBRIDGE_CAPABILITIES, ®_caps); - pci_read_config_dword(pdev, REG_HARDWARE_THERMAL_CONTROL, ®_htc); - if ((reg_caps & NB_CAP_HTC) && (reg_htc & HTC_ENABLE)) { - err = device_create_file(&pdev->dev, - &sensor_dev_attr_temp1_crit.dev_attr); - if (err) - goto exit_remove; - err = device_create_file(&pdev->dev, - &sensor_dev_attr_temp1_crit_hyst.dev_attr); - if (err) - goto exit_remove; - } - - err = device_create_file(&pdev->dev, &dev_attr_name); - if (err) - goto exit_remove; - - hwmon_dev = hwmon_device_register(&pdev->dev); - if (IS_ERR(hwmon_dev)) { - err = PTR_ERR(hwmon_dev); - goto exit_remove; - } - pci_set_drvdata(pdev, hwmon_dev); + struct device *dev = &pdev->dev; + struct device *hwmon_dev; - if (unreliable && force) - dev_warn(&pdev->dev, + if (unreliable) { + if (!force) { + dev_err(dev, + "unreliable CPU thermal sensor; monitoring disabled\n"); + return -ENODEV; + } + dev_warn(dev, "unreliable CPU thermal sensor; check erratum 319\n"); - return 0; - -exit_remove: - device_remove_file(&pdev->dev, &dev_attr_name); - device_remove_file(&pdev->dev, &dev_attr_temp1_input); - device_remove_file(&pdev->dev, &dev_attr_temp1_max); - device_remove_file(&pdev->dev, - &sensor_dev_attr_temp1_crit.dev_attr); - device_remove_file(&pdev->dev, - &sensor_dev_attr_temp1_crit_hyst.dev_attr); -exit: - return err; -} + } -static void k10temp_remove(struct pci_dev *pdev) -{ - hwmon_device_unregister(pci_get_drvdata(pdev)); - device_remove_file(&pdev->dev, &dev_attr_name); - device_remove_file(&pdev->dev, &dev_attr_temp1_input); - device_remove_file(&pdev->dev, &dev_attr_temp1_max); - device_remove_file(&pdev->dev, - &sensor_dev_attr_temp1_crit.dev_attr); - device_remove_file(&pdev->dev, - &sensor_dev_attr_temp1_crit_hyst.dev_attr); + hwmon_dev = devm_hwmon_device_register_with_groups(dev, "k10temp", pdev, + k10temp_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static const struct pci_device_id k10temp_id_table[] = { @@ -211,6 +212,7 @@ static const struct pci_device_id k10temp_id_table[] = { { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_NB_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M10H_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M30H_NB_F3) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M60H_NB_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) }, {} @@ -221,7 +223,6 @@ static struct pci_driver k10temp_driver = { .name = "k10temp", .id_table = k10temp_id_table, .probe = k10temp_probe, - .remove = k10temp_remove, }; module_pci_driver(k10temp_driver); diff --git a/drivers/hwmon/menf21bmc_hwmon.c b/drivers/hwmon/menf21bmc_hwmon.c new file mode 100644 index 000000000000..c92229d321c9 --- /dev/null +++ b/drivers/hwmon/menf21bmc_hwmon.c @@ -0,0 +1,230 @@ +/* + * MEN 14F021P00 Board Management Controller (BMC) hwmon driver. + * + * This is the core hwmon driver of the MEN 14F021P00 BMC. + * The BMC monitors the board voltages which can be access with this + * driver through sysfs. + * + * Copyright (C) 2014 MEN Mikro Elektronik Nuernberg GmbH + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/jiffies.h> +#include <linux/slab.h> +#include <linux/i2c.h> + +#define DRV_NAME "menf21bmc_hwmon" + +#define BMC_VOLT_COUNT 5 +#define MENF21BMC_V33 0 +#define MENF21BMC_V5 1 +#define MENF21BMC_V12 2 +#define MENF21BMC_V5_SB 3 +#define MENF21BMC_VBAT 4 + +#define IDX_TO_VOLT_MIN_CMD(idx) (0x40 + idx) +#define IDX_TO_VOLT_MAX_CMD(idx) (0x50 + idx) +#define IDX_TO_VOLT_INP_CMD(idx) (0x60 + idx) + +struct menf21bmc_hwmon { + bool valid; + struct i2c_client *i2c_client; + unsigned long last_update; + int in_val[BMC_VOLT_COUNT]; + int in_min[BMC_VOLT_COUNT]; + int in_max[BMC_VOLT_COUNT]; +}; + +static const char *const input_names[] = { + [MENF21BMC_V33] = "MON_3_3V", + [MENF21BMC_V5] = "MON_5V", + [MENF21BMC_V12] = "MON_12V", + [MENF21BMC_V5_SB] = "5V_STANDBY", + [MENF21BMC_VBAT] = "VBAT" +}; + +static struct menf21bmc_hwmon *menf21bmc_hwmon_update(struct device *dev) +{ + int i; + int val; + struct menf21bmc_hwmon *drv_data = dev_get_drvdata(dev); + struct menf21bmc_hwmon *data_ret = drv_data; + + if (time_after(jiffies, drv_data->last_update + HZ) + || !drv_data->valid) { + for (i = 0; i < BMC_VOLT_COUNT; i++) { + val = i2c_smbus_read_word_data(drv_data->i2c_client, + IDX_TO_VOLT_INP_CMD(i)); + if (val < 0) { + data_ret = ERR_PTR(val); + goto abort; + } + drv_data->in_val[i] = val; + } + drv_data->last_update = jiffies; + drv_data->valid = true; + } +abort: + return data_ret; +} + +static int menf21bmc_hwmon_get_volt_limits(struct menf21bmc_hwmon *drv_data) +{ + int i, val; + + for (i = 0; i < BMC_VOLT_COUNT; i++) { + val = i2c_smbus_read_word_data(drv_data->i2c_client, + IDX_TO_VOLT_MIN_CMD(i)); + if (val < 0) + return val; + + drv_data->in_min[i] = val; + + val = i2c_smbus_read_word_data(drv_data->i2c_client, + IDX_TO_VOLT_MAX_CMD(i)); + if (val < 0) + return val; + + drv_data->in_max[i] = val; + } + return 0; +} + +static ssize_t +show_label(struct device *dev, struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + + return sprintf(buf, "%s\n", input_names[attr->index]); +} + +static ssize_t +show_in(struct device *dev, struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct menf21bmc_hwmon *drv_data = menf21bmc_hwmon_update(dev); + + if (IS_ERR(drv_data)) + return PTR_ERR(drv_data); + + return sprintf(buf, "%d\n", drv_data->in_val[attr->index]); +} + +static ssize_t +show_min(struct device *dev, struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct menf21bmc_hwmon *drv_data = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", drv_data->in_min[attr->index]); +} + +static ssize_t +show_max(struct device *dev, struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct menf21bmc_hwmon *drv_data = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", drv_data->in_max[attr->index]); +} + +#define create_voltage_sysfs(idx) \ +static SENSOR_DEVICE_ATTR(in##idx##_input, S_IRUGO, \ + show_in, NULL, idx); \ +static SENSOR_DEVICE_ATTR(in##idx##_min, S_IRUGO, \ + show_min, NULL, idx); \ +static SENSOR_DEVICE_ATTR(in##idx##_max, S_IRUGO, \ + show_max, NULL, idx); \ +static SENSOR_DEVICE_ATTR(in##idx##_label, S_IRUGO, \ + show_label, NULL, idx); + +create_voltage_sysfs(0); +create_voltage_sysfs(1); +create_voltage_sysfs(2); +create_voltage_sysfs(3); +create_voltage_sysfs(4); + +static struct attribute *menf21bmc_hwmon_attrs[] = { + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in0_min.dev_attr.attr, + &sensor_dev_attr_in0_max.dev_attr.attr, + &sensor_dev_attr_in0_label.dev_attr.attr, + + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in1_min.dev_attr.attr, + &sensor_dev_attr_in1_max.dev_attr.attr, + &sensor_dev_attr_in1_label.dev_attr.attr, + + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in2_min.dev_attr.attr, + &sensor_dev_attr_in2_max.dev_attr.attr, + &sensor_dev_attr_in2_label.dev_attr.attr, + + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in3_min.dev_attr.attr, + &sensor_dev_attr_in3_max.dev_attr.attr, + &sensor_dev_attr_in3_label.dev_attr.attr, + + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in4_min.dev_attr.attr, + &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in4_label.dev_attr.attr, + NULL +}; + +ATTRIBUTE_GROUPS(menf21bmc_hwmon); + +static int menf21bmc_hwmon_probe(struct platform_device *pdev) +{ + int ret; + struct menf21bmc_hwmon *drv_data; + struct i2c_client *i2c_client = to_i2c_client(pdev->dev.parent); + struct device *hwmon_dev; + + drv_data = devm_kzalloc(&pdev->dev, sizeof(struct menf21bmc_hwmon), + GFP_KERNEL); + if (!drv_data) + return -ENOMEM; + + drv_data->i2c_client = i2c_client; + + ret = menf21bmc_hwmon_get_volt_limits(drv_data); + if (ret) { + dev_err(&pdev->dev, "failed to read sensor limits"); + return ret; + } + + hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev, + "menf21bmc", drv_data, + menf21bmc_hwmon_groups); + if (IS_ERR(hwmon_dev)) + return PTR_ERR(hwmon_dev); + + dev_info(&pdev->dev, "MEN 14F021P00 BMC hwmon device enabled"); + + return 0; +} + +static struct platform_driver menf21bmc_hwmon = { + .probe = menf21bmc_hwmon_probe, + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, +}; + +module_platform_driver(menf21bmc_hwmon); + +MODULE_AUTHOR("Andreas Werner <andreas.werner@men.de>"); +MODULE_DESCRIPTION("MEN 14F021P00 BMC hwmon"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:menf21bmc_hwmon"); diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index bd410722cd4b..4ff89b2482e4 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -38,6 +38,7 @@ #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> +#include <linux/thermal.h> struct ntc_compensation { int temp_c; @@ -182,6 +183,7 @@ struct ntc_data { struct device *dev; int n_comp; char name[PLATFORM_NAME_SIZE]; + struct thermal_zone_device *tz; }; #if defined(CONFIG_OF) && IS_ENABLED(CONFIG_IIO) @@ -428,6 +430,20 @@ static int ntc_thermistor_get_ohm(struct ntc_data *data) return -EINVAL; } +static int ntc_read_temp(void *dev, long *temp) +{ + struct ntc_data *data = dev_get_drvdata(dev); + int ohm; + + ohm = ntc_thermistor_get_ohm(data); + if (ohm < 0) + return ohm; + + *temp = get_temp_mc(data, ohm); + + return 0; +} + static ssize_t ntc_show_name(struct device *dev, struct device_attribute *attr, char *buf) { @@ -562,6 +578,13 @@ static int ntc_thermistor_probe(struct platform_device *pdev) dev_info(&pdev->dev, "Thermistor type: %s successfully probed.\n", pdev_id->name); + data->tz = thermal_zone_of_sensor_register(data->dev, 0, data->dev, + ntc_read_temp, NULL); + if (IS_ERR(data->tz)) { + dev_dbg(&pdev->dev, "Failed to register to thermal fw.\n"); + data->tz = NULL; + } + return 0; err_after_sysfs: sysfs_remove_group(&data->dev->kobj, &ntc_attr_group); @@ -578,6 +601,8 @@ static int ntc_thermistor_remove(struct platform_device *pdev) sysfs_remove_group(&data->dev->kobj, &ntc_attr_group); ntc_iio_channel_release(pdata); + thermal_zone_of_sensor_unregister(data->dev, data->tz); + return 0; } diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c index bd89e87bd6ae..221f0931bf1c 100644 --- a/drivers/hwmon/smsc47b397.c +++ b/drivers/hwmon/smsc47b397.c @@ -100,8 +100,6 @@ static u8 smsc47b397_reg_temp[] = {0x25, 0x26, 0x27, 0x80}; struct smsc47b397_data { unsigned short addr; - const char *name; - struct device *hwmon_dev; struct mutex lock; struct mutex update_lock; @@ -202,15 +200,7 @@ static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3); -static ssize_t show_name(struct device *dev, struct device_attribute - *devattr, char *buf) -{ - struct smsc47b397_data *data = dev_get_drvdata(dev); - return sprintf(buf, "%s\n", data->name); -} -static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); - -static struct attribute *smsc47b397_attributes[] = { +static struct attribute *smsc47b397_attrs[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp2_input.dev_attr.attr, &sensor_dev_attr_temp3_input.dev_attr.attr, @@ -220,23 +210,10 @@ static struct attribute *smsc47b397_attributes[] = { &sensor_dev_attr_fan3_input.dev_attr.attr, &sensor_dev_attr_fan4_input.dev_attr.attr, - &dev_attr_name.attr, NULL }; -static const struct attribute_group smsc47b397_group = { - .attrs = smsc47b397_attributes, -}; - -static int smsc47b397_remove(struct platform_device *pdev) -{ - struct smsc47b397_data *data = platform_get_drvdata(pdev); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&pdev->dev.kobj, &smsc47b397_group); - - return 0; -} +ATTRIBUTE_GROUPS(smsc47b397); static int smsc47b397_probe(struct platform_device *pdev); @@ -246,15 +223,14 @@ static struct platform_driver smsc47b397_driver = { .name = DRVNAME, }, .probe = smsc47b397_probe, - .remove = smsc47b397_remove, }; static int smsc47b397_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct smsc47b397_data *data; + struct device *hwmon_dev; struct resource *res; - int err = 0; res = platform_get_resource(pdev, IORESOURCE_IO, 0); if (!devm_request_region(dev, res->start, SMSC_EXTENT, @@ -270,26 +246,13 @@ static int smsc47b397_probe(struct platform_device *pdev) return -ENOMEM; data->addr = res->start; - data->name = "smsc47b397"; mutex_init(&data->lock); mutex_init(&data->update_lock); - platform_set_drvdata(pdev, data); - - err = sysfs_create_group(&dev->kobj, &smsc47b397_group); - if (err) - return err; - data->hwmon_dev = hwmon_device_register(dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto error_remove; - } - - return 0; - -error_remove: - sysfs_remove_group(&dev->kobj, &smsc47b397_group); - return err; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, "smsc47b397", + data, + smsc47b397_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static int __init smsc47b397_device_add(unsigned short address) |